diff options
Diffstat (limited to 'fs')
315 files changed, 14159 insertions, 4790 deletions
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index e78956cbd702..34c59f14a1c9 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -144,7 +144,7 @@ extern void v9fs_session_close(struct v9fs_session_info *v9ses); extern void v9fs_session_cancel(struct v9fs_session_info *v9ses); extern void v9fs_session_begin_cancel(struct v9fs_session_info *v9ses); extern struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nameidata); + unsigned int flags); extern int v9fs_vfs_unlink(struct inode *i, struct dentry *d); extern int v9fs_vfs_rmdir(struct inode *i, struct dentry *d); extern int v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry, diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c index d529437ff442..64600b5d0522 100644 --- a/fs/9p/vfs_dentry.c +++ b/fs/9p/vfs_dentry.c @@ -100,13 +100,13 @@ static void v9fs_dentry_release(struct dentry *dentry) } } -static int v9fs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) +static int v9fs_lookup_revalidate(struct dentry *dentry, unsigned int flags) { struct p9_fid *fid; struct inode *inode; struct v9fs_inode *v9inode; - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; inode = dentry->d_inode; diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 57ccb7537dae..cbf9dbb1b2a2 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -712,88 +712,34 @@ error: } /** - * v9fs_vfs_create - VFS hook to create files + * v9fs_vfs_create - VFS hook to create a regular file + * + * open(.., O_CREAT) is handled in v9fs_vfs_atomic_open(). This is only called + * for mknod(2). + * * @dir: directory inode that is being created * @dentry: dentry that is being deleted * @mode: create permissions - * @nd: path information * */ static int v9fs_vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { - int err; - u32 perm; - int flags; - struct file *filp; - struct v9fs_inode *v9inode; - struct v9fs_session_info *v9ses; - struct p9_fid *fid, *inode_fid; - - err = 0; - fid = NULL; - v9ses = v9fs_inode2v9ses(dir); - perm = unixmode2p9mode(v9ses, mode); - if (nd) - flags = nd->intent.open.flags; - else - flags = O_RDWR; + struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir); + u32 perm = unixmode2p9mode(v9ses, mode); + struct p9_fid *fid; - fid = v9fs_create(v9ses, dir, dentry, NULL, perm, - v9fs_uflags2omode(flags, - v9fs_proto_dotu(v9ses))); - if (IS_ERR(fid)) { - err = PTR_ERR(fid); - fid = NULL; - goto error; - } + /* P9_OEXCL? */ + fid = v9fs_create(v9ses, dir, dentry, NULL, perm, P9_ORDWR); + if (IS_ERR(fid)) + return PTR_ERR(fid); v9fs_invalidate_inode_attr(dir); - /* if we are opening a file, assign the open fid to the file */ - if (nd) { - v9inode = V9FS_I(dentry->d_inode); - mutex_lock(&v9inode->v_mutex); - if (v9ses->cache && !v9inode->writeback_fid && - ((flags & O_ACCMODE) != O_RDONLY)) { - /* - * clone a fid and add it to writeback_fid - * we do it during open time instead of - * page dirty time via write_begin/page_mkwrite - * because we want write after unlink usecase - * to work. - */ - inode_fid = v9fs_writeback_fid(dentry); - if (IS_ERR(inode_fid)) { - err = PTR_ERR(inode_fid); - mutex_unlock(&v9inode->v_mutex); - goto error; - } - v9inode->writeback_fid = (void *) inode_fid; - } - mutex_unlock(&v9inode->v_mutex); - filp = lookup_instantiate_filp(nd, dentry, generic_file_open); - if (IS_ERR(filp)) { - err = PTR_ERR(filp); - goto error; - } - - filp->private_data = fid; -#ifdef CONFIG_9P_FSCACHE - if (v9ses->cache) - v9fs_cache_inode_set_cookie(dentry->d_inode, filp); -#endif - } else - p9_client_clunk(fid); + p9_client_clunk(fid); return 0; - -error: - if (fid) - p9_client_clunk(fid); - - return err; } /** @@ -839,7 +785,7 @@ static int v9fs_vfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode */ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nameidata) + unsigned int flags) { struct dentry *res; struct super_block *sb; @@ -849,8 +795,8 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, char *name; int result = 0; - p9_debug(P9_DEBUG_VFS, "dir: %p dentry: (%s) %p nameidata: %p\n", - dir, dentry->d_name.name, dentry, nameidata); + p9_debug(P9_DEBUG_VFS, "dir: %p dentry: (%s) %p flags: %x\n", + dir, dentry->d_name.name, dentry, flags); if (dentry->d_name.len > NAME_MAX) return ERR_PTR(-ENAMETOOLONG); @@ -910,6 +856,86 @@ error: return ERR_PTR(result); } +static int +v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry, + struct file *file, unsigned flags, umode_t mode, + int *opened) +{ + int err; + u32 perm; + struct v9fs_inode *v9inode; + struct v9fs_session_info *v9ses; + struct p9_fid *fid, *inode_fid; + struct dentry *res = NULL; + + if (d_unhashed(dentry)) { + res = v9fs_vfs_lookup(dir, dentry, 0); + if (IS_ERR(res)) + return PTR_ERR(res); + + if (res) + dentry = res; + } + + /* Only creates */ + if (!(flags & O_CREAT) || dentry->d_inode) + return finish_no_open(file, res); + + err = 0; + fid = NULL; + v9ses = v9fs_inode2v9ses(dir); + perm = unixmode2p9mode(v9ses, mode); + fid = v9fs_create(v9ses, dir, dentry, NULL, perm, + v9fs_uflags2omode(flags, + v9fs_proto_dotu(v9ses))); + if (IS_ERR(fid)) { + err = PTR_ERR(fid); + fid = NULL; + goto error; + } + + v9fs_invalidate_inode_attr(dir); + v9inode = V9FS_I(dentry->d_inode); + mutex_lock(&v9inode->v_mutex); + if (v9ses->cache && !v9inode->writeback_fid && + ((flags & O_ACCMODE) != O_RDONLY)) { + /* + * clone a fid and add it to writeback_fid + * we do it during open time instead of + * page dirty time via write_begin/page_mkwrite + * because we want write after unlink usecase + * to work. + */ + inode_fid = v9fs_writeback_fid(dentry); + if (IS_ERR(inode_fid)) { + err = PTR_ERR(inode_fid); + mutex_unlock(&v9inode->v_mutex); + goto error; + } + v9inode->writeback_fid = (void *) inode_fid; + } + mutex_unlock(&v9inode->v_mutex); + err = finish_open(file, dentry, generic_file_open, opened); + if (err) + goto error; + + file->private_data = fid; +#ifdef CONFIG_9P_FSCACHE + if (v9ses->cache) + v9fs_cache_inode_set_cookie(dentry->d_inode, file); +#endif + + *opened |= FILE_CREATED; +out: + dput(res); + return err; + +error: + if (fid) + p9_client_clunk(fid); + goto out; +} + /** * v9fs_vfs_unlink - VFS unlink hook to delete an inode * @i: inode that is being unlinked @@ -1488,6 +1514,7 @@ out: static const struct inode_operations v9fs_dir_inode_operations_dotu = { .create = v9fs_vfs_create, .lookup = v9fs_vfs_lookup, + .atomic_open = v9fs_vfs_atomic_open, .symlink = v9fs_vfs_symlink, .link = v9fs_vfs_link, .unlink = v9fs_vfs_unlink, @@ -1502,6 +1529,7 @@ static const struct inode_operations v9fs_dir_inode_operations_dotu = { static const struct inode_operations v9fs_dir_inode_operations = { .create = v9fs_vfs_create, .lookup = v9fs_vfs_lookup, + .atomic_open = v9fs_vfs_atomic_open, .unlink = v9fs_vfs_unlink, .mkdir = v9fs_vfs_mkdir, .rmdir = v9fs_vfs_rmdir, diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index e3dd2a1e2bfc..40895546e103 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -230,20 +230,25 @@ int v9fs_open_to_dotl_flags(int flags) * @dir: directory inode that is being created * @dentry: dentry that is being deleted * @mode: create permissions - * @nd: path information * */ static int v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, - struct nameidata *nd) + bool excl) +{ + return v9fs_vfs_mknod_dotl(dir, dentry, omode, 0); +} + +static int +v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry, + struct file *file, unsigned flags, umode_t omode, + int *opened) { int err = 0; gid_t gid; - int flags; umode_t mode; char *name = NULL; - struct file *filp; struct p9_qid qid; struct inode *inode; struct p9_fid *fid = NULL; @@ -251,19 +256,23 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, struct p9_fid *dfid, *ofid, *inode_fid; struct v9fs_session_info *v9ses; struct posix_acl *pacl = NULL, *dacl = NULL; + struct dentry *res = NULL; - v9ses = v9fs_inode2v9ses(dir); - if (nd) - flags = nd->intent.open.flags; - else { - /* - * create call without LOOKUP_OPEN is due - * to mknod of regular files. So use mknod - * operation. - */ - return v9fs_vfs_mknod_dotl(dir, dentry, omode, 0); + if (d_unhashed(dentry)) { + res = v9fs_vfs_lookup(dir, dentry, 0); + if (IS_ERR(res)) + return PTR_ERR(res); + + if (res) + dentry = res; } + /* Only creates */ + if (!(flags & O_CREAT) || dentry->d_inode) + return finish_no_open(file, res); + + v9ses = v9fs_inode2v9ses(dir); + name = (char *) dentry->d_name.name; p9_debug(P9_DEBUG_VFS, "name:%s flags:0x%x mode:0x%hx\n", name, flags, omode); @@ -272,7 +281,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, if (IS_ERR(dfid)) { err = PTR_ERR(dfid); p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); - return err; + goto out; } /* clone a fid to use for creation */ @@ -280,7 +289,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, if (IS_ERR(ofid)) { err = PTR_ERR(ofid); p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err); - return err; + goto out; } gid = v9fs_get_fsgid_for_create(dir); @@ -345,17 +354,18 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, } mutex_unlock(&v9inode->v_mutex); /* Since we are opening a file, assign the open fid to the file */ - filp = lookup_instantiate_filp(nd, dentry, generic_file_open); - if (IS_ERR(filp)) { - err = PTR_ERR(filp); + err = finish_open(file, dentry, generic_file_open, opened); + if (err) goto err_clunk_old_fid; - } - filp->private_data = ofid; + file->private_data = ofid; #ifdef CONFIG_9P_FSCACHE if (v9ses->cache) - v9fs_cache_inode_set_cookie(inode, filp); + v9fs_cache_inode_set_cookie(inode, file); #endif - return 0; + *opened |= FILE_CREATED; +out: + dput(res); + return err; error: if (fid) @@ -364,7 +374,7 @@ err_clunk_old_fid: if (ofid) p9_client_clunk(ofid); v9fs_set_create_acl(NULL, &dacl, &pacl); - return err; + goto out; } /** @@ -982,6 +992,7 @@ out: const struct inode_operations v9fs_dir_inode_operations_dotl = { .create = v9fs_vfs_create_dotl, + .atomic_open = v9fs_vfs_atomic_open_dotl, .lookup = v9fs_vfs_lookup, .link = v9fs_vfs_link_dotl, .symlink = v9fs_vfs_symlink_dotl, diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 8c92a9ba8330..137d50396898 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -89,7 +89,7 @@ v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses, if (v9ses->cache) sb->s_bdi->ra_pages = (VM_MAX_READAHEAD * 1024)/PAGE_CACHE_SIZE; - sb->s_flags = flags | MS_ACTIVE | MS_DIRSYNC | MS_NOATIME; + sb->s_flags |= MS_ACTIVE | MS_DIRSYNC | MS_NOATIME; if (!v9ses->cache) sb->s_flags |= MS_SYNCHRONOUS; @@ -137,7 +137,7 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags, goto close_session; } - sb = sget(fs_type, NULL, v9fs_set_super, v9ses); + sb = sget(fs_type, NULL, v9fs_set_super, flags, v9ses); if (IS_ERR(sb)) { retval = PTR_ERR(sb); goto clunk_fid; diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c index 3d83075aaa2e..b3be2e7c5643 100644 --- a/fs/adfs/dir.c +++ b/fs/adfs/dir.c @@ -266,7 +266,7 @@ const struct dentry_operations adfs_dentry_operations = { }; static struct dentry * -adfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +adfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode = NULL; struct object_info obj; diff --git a/fs/adfs/super.c b/fs/adfs/super.c index 06fdcc9382c4..bdaec92353c2 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -246,7 +246,6 @@ static struct inode *adfs_alloc_inode(struct super_block *sb) static void adfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(adfs_inode_cachep, ADFS_I(inode)); } diff --git a/fs/affs/affs.h b/fs/affs/affs.h index 1fceb320d2f2..6e216419f340 100644 --- a/fs/affs/affs.h +++ b/fs/affs/affs.h @@ -3,6 +3,7 @@ #include <linux/buffer_head.h> #include <linux/amigaffs.h> #include <linux/mutex.h> +#include <linux/workqueue.h> /* AmigaOS allows file names with up to 30 characters length. * Names longer than that will be silently truncated. If you @@ -100,6 +101,10 @@ struct affs_sb_info { char *s_prefix; /* Prefix for volumes and assigns. */ char s_volume[32]; /* Volume prefix for absolute symlinks. */ spinlock_t symlink_lock; /* protects the previous two */ + struct super_block *sb; /* the VFS superblock object */ + int work_queued; /* non-zero delayed work is queued */ + struct delayed_work sb_work; /* superblock flush delayed work */ + spinlock_t work_lock; /* protects sb_work and work_queued */ }; #define SF_INTL 0x0001 /* International filesystem. */ @@ -120,6 +125,8 @@ static inline struct affs_sb_info *AFFS_SB(struct super_block *sb) return sb->s_fs_info; } +void affs_mark_sb_dirty(struct super_block *sb); + /* amigaffs.c */ extern int affs_insert_hash(struct inode *inode, struct buffer_head *bh); @@ -146,9 +153,9 @@ extern void affs_free_bitmap(struct super_block *sb); /* namei.c */ extern int affs_hash_name(struct super_block *sb, const u8 *name, unsigned int len); -extern struct dentry *affs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *); +extern struct dentry *affs_lookup(struct inode *dir, struct dentry *dentry, unsigned int); extern int affs_unlink(struct inode *dir, struct dentry *dentry); -extern int affs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *); +extern int affs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool); extern int affs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode); extern int affs_rmdir(struct inode *dir, struct dentry *dentry); extern int affs_link(struct dentry *olddentry, struct inode *dir, diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c index 52a6407682e6..eb82ee53ee0b 100644 --- a/fs/affs/amigaffs.c +++ b/fs/affs/amigaffs.c @@ -122,22 +122,16 @@ affs_remove_hash(struct inode *dir, struct buffer_head *rem_bh) } static void -affs_fix_dcache(struct dentry *dentry, u32 entry_ino) +affs_fix_dcache(struct inode *inode, u32 entry_ino) { - struct inode *inode = dentry->d_inode; - void *data = dentry->d_fsdata; - struct list_head *head, *next; - + struct dentry *dentry; + struct hlist_node *p; spin_lock(&inode->i_lock); - head = &inode->i_dentry; - next = head->next; - while (next != head) { - dentry = list_entry(next, struct dentry, d_alias); + hlist_for_each_entry(dentry, p, &inode->i_dentry, d_alias) { if (entry_ino == (u32)(long)dentry->d_fsdata) { - dentry->d_fsdata = data; + dentry->d_fsdata = (void *)inode->i_ino; break; } - next = next->next; } spin_unlock(&inode->i_lock); } @@ -177,7 +171,11 @@ affs_remove_link(struct dentry *dentry) } affs_lock_dir(dir); - affs_fix_dcache(dentry, link_ino); + /* + * if there's a dentry for that block, make it + * refer to inode itself. + */ + affs_fix_dcache(inode, link_ino); retval = affs_remove_hash(dir, link_bh); if (retval) { affs_unlock_dir(dir); diff --git a/fs/affs/bitmap.c b/fs/affs/bitmap.c index 3e262711ae06..6e0be43ef6ef 100644 --- a/fs/affs/bitmap.c +++ b/fs/affs/bitmap.c @@ -103,7 +103,7 @@ affs_free_block(struct super_block *sb, u32 block) *(__be32 *)bh->b_data = cpu_to_be32(tmp - mask); mark_buffer_dirty(bh); - sb->s_dirt = 1; + affs_mark_sb_dirty(sb); bm->bm_free++; mutex_unlock(&sbi->s_bmlock); @@ -248,7 +248,7 @@ find_bit: *(__be32 *)bh->b_data = cpu_to_be32(tmp + mask); mark_buffer_dirty(bh); - sb->s_dirt = 1; + affs_mark_sb_dirty(sb); mutex_unlock(&sbi->s_bmlock); diff --git a/fs/affs/namei.c b/fs/affs/namei.c index 47806940aac0..ff65884a7839 100644 --- a/fs/affs/namei.c +++ b/fs/affs/namei.c @@ -211,7 +211,7 @@ affs_find_entry(struct inode *dir, struct dentry *dentry) } struct dentry * -affs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +affs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct super_block *sb = dir->i_sb; struct buffer_head *bh; @@ -255,7 +255,7 @@ affs_unlink(struct inode *dir, struct dentry *dentry) } int -affs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) +affs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { struct super_block *sb = dir->i_sb; struct inode *inode; diff --git a/fs/affs/super.c b/fs/affs/super.c index 0782653a05a2..c70f1e5fc024 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -17,6 +17,7 @@ #include <linux/magic.h> #include <linux/sched.h> #include <linux/slab.h> +#include <linux/writeback.h> #include "affs.h" extern struct timezone sys_tz; @@ -25,15 +26,17 @@ static int affs_statfs(struct dentry *dentry, struct kstatfs *buf); static int affs_remount (struct super_block *sb, int *flags, char *data); static void -affs_commit_super(struct super_block *sb, int wait, int clean) +affs_commit_super(struct super_block *sb, int wait) { struct affs_sb_info *sbi = AFFS_SB(sb); struct buffer_head *bh = sbi->s_root_bh; struct affs_root_tail *tail = AFFS_ROOT_TAIL(sb, bh); - tail->bm_flag = cpu_to_be32(clean); + lock_buffer(bh); secs_to_datestamp(get_seconds(), &tail->disk_change); affs_fix_checksum(sb, bh); + unlock_buffer(bh); + mark_buffer_dirty(bh); if (wait) sync_dirty_buffer(bh); @@ -45,9 +48,7 @@ affs_put_super(struct super_block *sb) struct affs_sb_info *sbi = AFFS_SB(sb); pr_debug("AFFS: put_super()\n"); - if (!(sb->s_flags & MS_RDONLY) && sb->s_dirt) - affs_commit_super(sb, 1, 1); - + cancel_delayed_work_sync(&sbi->sb_work); kfree(sbi->s_prefix); affs_free_bitmap(sb); affs_brelse(sbi->s_root_bh); @@ -55,26 +56,43 @@ affs_put_super(struct super_block *sb) sb->s_fs_info = NULL; } -static void -affs_write_super(struct super_block *sb) +static int +affs_sync_fs(struct super_block *sb, int wait) { - lock_super(sb); - if (!(sb->s_flags & MS_RDONLY)) - affs_commit_super(sb, 1, 2); - sb->s_dirt = 0; - unlock_super(sb); + affs_commit_super(sb, wait); + return 0; +} + +static void flush_superblock(struct work_struct *work) +{ + struct affs_sb_info *sbi; + struct super_block *sb; + + sbi = container_of(work, struct affs_sb_info, sb_work.work); + sb = sbi->sb; - pr_debug("AFFS: write_super() at %lu, clean=2\n", get_seconds()); + spin_lock(&sbi->work_lock); + sbi->work_queued = 0; + spin_unlock(&sbi->work_lock); + + affs_commit_super(sb, 1); } -static int -affs_sync_fs(struct super_block *sb, int wait) +void affs_mark_sb_dirty(struct super_block *sb) { - lock_super(sb); - affs_commit_super(sb, wait, 2); - sb->s_dirt = 0; - unlock_super(sb); - return 0; + struct affs_sb_info *sbi = AFFS_SB(sb); + unsigned long delay; + + if (sb->s_flags & MS_RDONLY) + return; + + spin_lock(&sbi->work_lock); + if (!sbi->work_queued) { + delay = msecs_to_jiffies(dirty_writeback_interval * 10); + queue_delayed_work(system_long_wq, &sbi->sb_work, delay); + sbi->work_queued = 1; + } + spin_unlock(&sbi->work_lock); } static struct kmem_cache * affs_inode_cachep; @@ -138,7 +156,6 @@ static const struct super_operations affs_sops = { .write_inode = affs_write_inode, .evict_inode = affs_evict_inode, .put_super = affs_put_super, - .write_super = affs_write_super, .sync_fs = affs_sync_fs, .statfs = affs_statfs, .remount_fs = affs_remount, @@ -305,8 +322,11 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent) return -ENOMEM; sb->s_fs_info = sbi; + sbi->sb = sb; mutex_init(&sbi->s_bmlock); spin_lock_init(&sbi->symlink_lock); + spin_lock_init(&sbi->work_lock); + INIT_DELAYED_WORK(&sbi->sb_work, flush_superblock); if (!parse_options(data,&uid,&gid,&i,&reserved,&root_block, &blocksize,&sbi->s_prefix, @@ -531,6 +551,7 @@ affs_remount(struct super_block *sb, int *flags, char *data) return -EINVAL; } + flush_delayed_work_sync(&sbi->sb_work); replace_mount_options(sb, new_opts); sbi->s_flags = mount_flags; @@ -549,10 +570,9 @@ affs_remount(struct super_block *sb, int *flags, char *data) if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) return 0; - if (*flags & MS_RDONLY) { - affs_write_super(sb); + if (*flags & MS_RDONLY) affs_free_bitmap(sb); - } else + else res = affs_init_bitmap(sb, flags); return res; diff --git a/fs/afs/dir.c b/fs/afs/dir.c index e22dc4b4a503..db477906ba4f 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -20,16 +20,16 @@ #include "internal.h" static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd); + unsigned int flags); static int afs_dir_open(struct inode *inode, struct file *file); static int afs_readdir(struct file *file, void *dirent, filldir_t filldir); -static int afs_d_revalidate(struct dentry *dentry, struct nameidata *nd); +static int afs_d_revalidate(struct dentry *dentry, unsigned int flags); static int afs_d_delete(const struct dentry *dentry); static void afs_d_release(struct dentry *dentry); static int afs_lookup_filldir(void *_cookie, const char *name, int nlen, loff_t fpos, u64 ino, unsigned dtype); static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd); + bool excl); static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode); static int afs_rmdir(struct inode *dir, struct dentry *dentry); static int afs_unlink(struct inode *dir, struct dentry *dentry); @@ -516,7 +516,7 @@ out: * look up an entry in a directory */ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct afs_vnode *vnode; struct afs_fid fid; @@ -598,7 +598,7 @@ success: * - NOTE! the hit can be a negative hit too, so we can't assume we have an * inode */ -static int afs_d_revalidate(struct dentry *dentry, struct nameidata *nd) +static int afs_d_revalidate(struct dentry *dentry, unsigned int flags) { struct afs_vnode *vnode, *dir; struct afs_fid uninitialized_var(fid); @@ -607,7 +607,7 @@ static int afs_d_revalidate(struct dentry *dentry, struct nameidata *nd) void *dir_version; int ret; - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; vnode = AFS_FS_I(dentry->d_inode); @@ -949,7 +949,7 @@ error: * create a regular file on an AFS filesystem */ static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct afs_file_status status; struct afs_callback cb; diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c index 298cf8919ec7..9682c33d5daf 100644 --- a/fs/afs/mntpt.c +++ b/fs/afs/mntpt.c @@ -22,7 +22,7 @@ static struct dentry *afs_mntpt_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd); + unsigned int flags); static int afs_mntpt_open(struct inode *inode, struct file *file); static void afs_mntpt_expiry_timed_out(struct work_struct *work); @@ -104,7 +104,7 @@ out: */ static struct dentry *afs_mntpt_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { _enter("%p,%p{%p{%s},%s}", dir, diff --git a/fs/afs/super.c b/fs/afs/super.c index f02b31e7e648..df8c6047c2a1 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -395,7 +395,7 @@ static struct dentry *afs_mount(struct file_system_type *fs_type, as->volume = vol; /* allocate a deviceless superblock */ - sb = sget(fs_type, afs_test_super, afs_set_super, as); + sb = sget(fs_type, afs_test_super, afs_set_super, flags, as); if (IS_ERR(sb)) { ret = PTR_ERR(sb); afs_put_volume(vol); @@ -406,7 +406,6 @@ static struct dentry *afs_mount(struct file_system_type *fs_type, if (!sb->s_root) { /* initial superblock/root creation */ _debug("create"); - sb->s_flags = flags; ret = afs_fill_super(sb, ¶ms); if (ret < 0) { deactivate_locked_super(sb); @@ -56,13 +56,6 @@ static struct kmem_cache *kioctx_cachep; static struct workqueue_struct *aio_wq; -/* Used for rare fput completion. */ -static void aio_fput_routine(struct work_struct *); -static DECLARE_WORK(fput_work, aio_fput_routine); - -static DEFINE_SPINLOCK(fput_lock); -static LIST_HEAD(fput_head); - static void aio_kick_handler(struct work_struct *); static void aio_queue_work(struct kioctx *); @@ -479,7 +472,6 @@ static int kiocb_batch_refill(struct kioctx *ctx, struct kiocb_batch *batch) { unsigned short allocated, to_alloc; long avail; - bool called_fput = false; struct kiocb *req, *n; struct aio_ring *ring; @@ -495,28 +487,11 @@ static int kiocb_batch_refill(struct kioctx *ctx, struct kiocb_batch *batch) if (allocated == 0) goto out; -retry: spin_lock_irq(&ctx->ctx_lock); ring = kmap_atomic(ctx->ring_info.ring_pages[0]); avail = aio_ring_avail(&ctx->ring_info, ring) - ctx->reqs_active; BUG_ON(avail < 0); - if (avail == 0 && !called_fput) { - /* - * Handle a potential starvation case. It is possible that - * we hold the last reference on a struct file, causing us - * to delay the final fput to non-irq context. In this case, - * ctx->reqs_active is artificially high. Calling the fput - * routine here may free up a slot in the event completion - * ring, allowing this allocation to succeed. - */ - kunmap_atomic(ring); - spin_unlock_irq(&ctx->ctx_lock); - aio_fput_routine(NULL); - called_fput = true; - goto retry; - } - if (avail < allocated) { /* Trim back the number of requests. */ list_for_each_entry_safe(req, n, &batch->head, ki_batch) { @@ -570,36 +545,6 @@ static inline void really_put_req(struct kioctx *ctx, struct kiocb *req) wake_up_all(&ctx->wait); } -static void aio_fput_routine(struct work_struct *data) -{ - spin_lock_irq(&fput_lock); - while (likely(!list_empty(&fput_head))) { - struct kiocb *req = list_kiocb(fput_head.next); - struct kioctx *ctx = req->ki_ctx; - - list_del(&req->ki_list); - spin_unlock_irq(&fput_lock); - - /* Complete the fput(s) */ - if (req->ki_filp != NULL) - fput(req->ki_filp); - - /* Link the iocb into the context's free list */ - rcu_read_lock(); - spin_lock_irq(&ctx->ctx_lock); - really_put_req(ctx, req); - /* - * at that point ctx might've been killed, but actual - * freeing is RCU'd - */ - spin_unlock_irq(&ctx->ctx_lock); - rcu_read_unlock(); - - spin_lock_irq(&fput_lock); - } - spin_unlock_irq(&fput_lock); -} - /* __aio_put_req * Returns true if this put was the last user of the request. */ @@ -618,21 +563,9 @@ static int __aio_put_req(struct kioctx *ctx, struct kiocb *req) req->ki_cancel = NULL; req->ki_retry = NULL; - /* - * Try to optimize the aio and eventfd file* puts, by avoiding to - * schedule work in case it is not final fput() time. In normal cases, - * we would not be holding the last reference to the file*, so - * this function will be executed w/out any aio kthread wakeup. - */ - if (unlikely(!fput_atomic(req->ki_filp))) { - spin_lock(&fput_lock); - list_add(&req->ki_list, &fput_head); - spin_unlock(&fput_lock); - schedule_work(&fput_work); - } else { - req->ki_filp = NULL; - really_put_req(ctx, req); - } + fput(req->ki_filp); + req->ki_filp = NULL; + really_put_req(ctx, req); return 1; } diff --git a/fs/attr.c b/fs/attr.c index 0da90951d277..29e38a1f7f77 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -171,6 +171,8 @@ int notify_change(struct dentry * dentry, struct iattr * attr) struct timespec now; unsigned int ia_valid = attr->ia_valid; + WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex)); + if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_TIMES_SET)) { if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) return -EPERM; @@ -250,5 +252,4 @@ int notify_change(struct dentry * dentry, struct iattr * attr) return error; } - EXPORT_SYMBOL(notify_change); diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c index aa9103f8f01b..abf645c1703b 100644 --- a/fs/autofs4/dev-ioctl.c +++ b/fs/autofs4/dev-ioctl.c @@ -257,8 +257,8 @@ static int autofs_dev_ioctl_open_mountpoint(const char *name, dev_t devid) * corresponding to the autofs fs we want to open. */ - filp = dentry_open(path.dentry, path.mnt, O_RDONLY, - current_cred()); + filp = dentry_open(&path, O_RDONLY, current_cred()); + path_put(&path); if (IS_ERR(filp)) { err = PTR_ERR(filp); goto out; diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index 75e5f1c8e028..e7396cfdb109 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -32,7 +32,7 @@ static long autofs4_root_ioctl(struct file *,unsigned int,unsigned long); static long autofs4_root_compat_ioctl(struct file *,unsigned int,unsigned long); #endif static int autofs4_dir_open(struct inode *inode, struct file *file); -static struct dentry *autofs4_lookup(struct inode *,struct dentry *, struct nameidata *); +static struct dentry *autofs4_lookup(struct inode *,struct dentry *, unsigned int); static struct vfsmount *autofs4_d_automount(struct path *); static int autofs4_d_manage(struct dentry *, bool); static void autofs4_dentry_release(struct dentry *); @@ -458,7 +458,7 @@ int autofs4_d_manage(struct dentry *dentry, bool rcu_walk) } /* Lookups in the root directory */ -static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct autofs_sb_info *sbi; struct autofs_info *ino; diff --git a/fs/bad_inode.c b/fs/bad_inode.c index 1b35d6bd06b0..b1342ffb3cf6 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -173,13 +173,13 @@ static const struct file_operations bad_file_ops = }; static int bad_inode_create (struct inode *dir, struct dentry *dentry, - umode_t mode, struct nameidata *nd) + umode_t mode, bool excl) { return -EIO; } static struct dentry *bad_inode_lookup(struct inode *dir, - struct dentry *dentry, struct nameidata *nd) + struct dentry *dentry, unsigned int flags) { return ERR_PTR(-EIO); } diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index e18da23d42b5..cf7f3c67c8b7 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -34,7 +34,7 @@ static int befs_readdir(struct file *, void *, filldir_t); static int befs_get_block(struct inode *, sector_t, struct buffer_head *, int); static int befs_readpage(struct file *file, struct page *page); static sector_t befs_bmap(struct address_space *mapping, sector_t block); -static struct dentry *befs_lookup(struct inode *, struct dentry *, struct nameidata *); +static struct dentry *befs_lookup(struct inode *, struct dentry *, unsigned int); static struct inode *befs_iget(struct super_block *, unsigned long); static struct inode *befs_alloc_inode(struct super_block *sb); static void befs_destroy_inode(struct inode *inode); @@ -159,7 +159,7 @@ befs_get_block(struct inode *inode, sector_t block, } static struct dentry * -befs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +befs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode = NULL; struct super_block *sb = dir->i_sb; diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c index d12c7966db27..2785ef91191a 100644 --- a/fs/bfs/dir.c +++ b/fs/bfs/dir.c @@ -85,7 +85,7 @@ const struct file_operations bfs_dir_operations = { extern void dump_imap(const char *, struct super_block *); static int bfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { int err; struct inode *inode; @@ -133,7 +133,7 @@ static int bfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, } static struct dentry *bfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct inode *inode = NULL; struct buffer_head *bh; diff --git a/fs/block_dev.c b/fs/block_dev.c index c2bbe1fb1326..1e519195d45b 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1710,3 +1710,39 @@ int __invalidate_device(struct block_device *bdev, bool kill_dirty) return res; } EXPORT_SYMBOL(__invalidate_device); + +void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg) +{ + struct inode *inode, *old_inode = NULL; + + spin_lock(&inode_sb_list_lock); + list_for_each_entry(inode, &blockdev_superblock->s_inodes, i_sb_list) { + struct address_space *mapping = inode->i_mapping; + + spin_lock(&inode->i_lock); + if (inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW) || + mapping->nrpages == 0) { + spin_unlock(&inode->i_lock); + continue; + } + __iget(inode); + spin_unlock(&inode->i_lock); + spin_unlock(&inode_sb_list_lock); + /* + * We hold a reference to 'inode' so it couldn't have been + * removed from s_inodes list while we dropped the + * inode_sb_list_lock. We cannot iput the inode now as we can + * be holding the last reference and we cannot iput it under + * inode_sb_list_lock. So we keep the reference and iput it + * later. + */ + iput(old_inode); + old_inode = inode; + + func(I_BDEV(inode), arg); + + spin_lock(&inode_sb_list_lock); + } + spin_unlock(&inode_sb_list_lock); + iput(old_inode); +} diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 3f75895c919b..a383c18e74e8 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -179,60 +179,74 @@ static int __add_prelim_ref(struct list_head *head, u64 root_id, static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path, struct ulist *parents, int level, - struct btrfs_key *key, u64 wanted_disk_byte, + struct btrfs_key *key_for_search, u64 time_seq, + u64 wanted_disk_byte, const u64 *extent_item_pos) { - int ret; - int slot = path->slots[level]; - struct extent_buffer *eb = path->nodes[level]; + int ret = 0; + int slot; + struct extent_buffer *eb; + struct btrfs_key key; struct btrfs_file_extent_item *fi; struct extent_inode_elem *eie = NULL; u64 disk_byte; - u64 wanted_objectid = key->objectid; -add_parent: - if (level == 0 && extent_item_pos) { - fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item); - ret = check_extent_in_eb(key, eb, fi, *extent_item_pos, &eie); + if (level != 0) { + eb = path->nodes[level]; + ret = ulist_add(parents, eb->start, 0, GFP_NOFS); if (ret < 0) return ret; - } - ret = ulist_add(parents, eb->start, (unsigned long)eie, GFP_NOFS); - if (ret < 0) - return ret; - - if (level != 0) return 0; + } /* - * if the current leaf is full with EXTENT_DATA items, we must - * check the next one if that holds a reference as well. - * ref->count cannot be used to skip this check. - * repeat this until we don't find any additional EXTENT_DATA items. + * We normally enter this function with the path already pointing to + * the first item to check. But sometimes, we may enter it with + * slot==nritems. In that case, go to the next leaf before we continue. */ - while (1) { - eie = NULL; - ret = btrfs_next_leaf(root, path); - if (ret < 0) - return ret; - if (ret) - return 0; + if (path->slots[0] >= btrfs_header_nritems(path->nodes[0])) + ret = btrfs_next_old_leaf(root, path, time_seq); + while (!ret) { eb = path->nodes[0]; - for (slot = 0; slot < btrfs_header_nritems(eb); ++slot) { - btrfs_item_key_to_cpu(eb, key, slot); - if (key->objectid != wanted_objectid || - key->type != BTRFS_EXTENT_DATA_KEY) - return 0; - fi = btrfs_item_ptr(eb, slot, - struct btrfs_file_extent_item); - disk_byte = btrfs_file_extent_disk_bytenr(eb, fi); - if (disk_byte == wanted_disk_byte) - goto add_parent; + slot = path->slots[0]; + + btrfs_item_key_to_cpu(eb, &key, slot); + + if (key.objectid != key_for_search->objectid || + key.type != BTRFS_EXTENT_DATA_KEY) + break; + + fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item); + disk_byte = btrfs_file_extent_disk_bytenr(eb, fi); + + if (disk_byte == wanted_disk_byte) { + eie = NULL; + if (extent_item_pos) { + ret = check_extent_in_eb(&key, eb, fi, + *extent_item_pos, + &eie); + if (ret < 0) + break; + } + if (!ret) { + ret = ulist_add(parents, eb->start, + (unsigned long)eie, GFP_NOFS); + if (ret < 0) + break; + if (!extent_item_pos) { + ret = btrfs_next_old_leaf(root, path, + time_seq); + continue; + } + } } + ret = btrfs_next_old_item(root, path, time_seq); } - return 0; + if (ret > 0) + ret = 0; + return ret; } /* @@ -249,7 +263,6 @@ static int __resolve_indirect_ref(struct btrfs_fs_info *fs_info, struct btrfs_path *path; struct btrfs_root *root; struct btrfs_key root_key; - struct btrfs_key key = {0}; struct extent_buffer *eb; int ret = 0; int root_level; @@ -288,25 +301,19 @@ static int __resolve_indirect_ref(struct btrfs_fs_info *fs_info, goto out; eb = path->nodes[level]; - if (!eb) { - WARN_ON(1); - ret = 1; - goto out; - } - - if (level == 0) { - if (ret == 1 && path->slots[0] >= btrfs_header_nritems(eb)) { - ret = btrfs_next_leaf(root, path); - if (ret) - goto out; - eb = path->nodes[0]; + while (!eb) { + if (!level) { + WARN_ON(1); + ret = 1; + goto out; } - - btrfs_item_key_to_cpu(eb, &key, path->slots[0]); + level--; + eb = path->nodes[level]; } - ret = add_all_parents(root, path, parents, level, &key, - ref->wanted_disk_byte, extent_item_pos); + ret = add_all_parents(root, path, parents, level, &ref->key_for_search, + time_seq, ref->wanted_disk_byte, + extent_item_pos); out: btrfs_free_path(path); return ret; @@ -832,6 +839,7 @@ again: } ret = __add_delayed_refs(head, delayed_ref_seq, &prefs_delayed); + mutex_unlock(&head->mutex); if (ret) { spin_unlock(&delayed_refs->lock); goto out; @@ -925,8 +933,6 @@ again: } out: - if (head) - mutex_unlock(&head->mutex); btrfs_free_path(path); while (!list_empty(&prefs)) { ref = list_first_entry(&prefs, struct __prelim_ref, list); diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index e616f8872e69..12394a90d60f 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -37,6 +37,7 @@ #define BTRFS_INODE_IN_DEFRAG 3 #define BTRFS_INODE_DELALLOC_META_RESERVED 4 #define BTRFS_INODE_HAS_ORPHAN_ITEM 5 +#define BTRFS_INODE_HAS_ASYNC_EXTENT 6 /* in memory btrfs inode */ struct btrfs_inode { diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 9cebb1fd6a3c..da6e9364a5e3 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -93,6 +93,7 @@ #include "print-tree.h" #include "locking.h" #include "check-integrity.h" +#include "rcu-string.h" #define BTRFSIC_BLOCK_HASHTABLE_SIZE 0x10000 #define BTRFSIC_BLOCK_LINK_HASHTABLE_SIZE 0x10000 @@ -843,13 +844,14 @@ static int btrfsic_process_superblock_dev_mirror( superblock_tmp->never_written = 0; superblock_tmp->mirror_num = 1 + superblock_mirror_num; if (state->print_mask & BTRFSIC_PRINT_MASK_SUPERBLOCK_WRITE) - printk(KERN_INFO "New initial S-block (bdev %p, %s)" - " @%llu (%s/%llu/%d)\n", - superblock_bdev, device->name, - (unsigned long long)dev_bytenr, - dev_state->name, - (unsigned long long)dev_bytenr, - superblock_mirror_num); + printk_in_rcu(KERN_INFO "New initial S-block (bdev %p, %s)" + " @%llu (%s/%llu/%d)\n", + superblock_bdev, + rcu_str_deref(device->name), + (unsigned long long)dev_bytenr, + dev_state->name, + (unsigned long long)dev_bytenr, + superblock_mirror_num); list_add(&superblock_tmp->all_blocks_node, &state->all_blocks_list); btrfsic_block_hashtable_add(superblock_tmp, diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index d7a96cfdc50a..8206b3900587 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -467,6 +467,15 @@ static inline int tree_mod_dont_log(struct btrfs_fs_info *fs_info, return 0; } +/* + * This allocates memory and gets a tree modification sequence number when + * needed. + * + * Returns 0 when no sequence number is needed, < 0 on error. + * Returns 1 when a sequence number was added. In this case, + * fs_info->tree_mod_seq_lock was acquired and must be released by the caller + * after inserting into the rb tree. + */ static inline int tree_mod_alloc(struct btrfs_fs_info *fs_info, gfp_t flags, struct tree_mod_elem **tm_ret) { @@ -491,11 +500,11 @@ static inline int tree_mod_alloc(struct btrfs_fs_info *fs_info, gfp_t flags, */ kfree(tm); seq = 0; + spin_unlock(&fs_info->tree_mod_seq_lock); } else { __get_tree_mod_seq(fs_info, &tm->elem); seq = tm->elem.seq; } - spin_unlock(&fs_info->tree_mod_seq_lock); return seq; } @@ -521,7 +530,9 @@ tree_mod_log_insert_key_mask(struct btrfs_fs_info *fs_info, tm->slot = slot; tm->generation = btrfs_node_ptr_generation(eb, slot); - return __tree_mod_log_insert(fs_info, tm); + ret = __tree_mod_log_insert(fs_info, tm); + spin_unlock(&fs_info->tree_mod_seq_lock); + return ret; } static noinline int @@ -559,7 +570,9 @@ tree_mod_log_insert_move(struct btrfs_fs_info *fs_info, tm->move.nr_items = nr_items; tm->op = MOD_LOG_MOVE_KEYS; - return __tree_mod_log_insert(fs_info, tm); + ret = __tree_mod_log_insert(fs_info, tm); + spin_unlock(&fs_info->tree_mod_seq_lock); + return ret; } static noinline int @@ -580,7 +593,9 @@ tree_mod_log_insert_root(struct btrfs_fs_info *fs_info, tm->generation = btrfs_header_generation(old_root); tm->op = MOD_LOG_ROOT_REPLACE; - return __tree_mod_log_insert(fs_info, tm); + ret = __tree_mod_log_insert(fs_info, tm); + spin_unlock(&fs_info->tree_mod_seq_lock); + return ret; } static struct tree_mod_elem * @@ -1009,11 +1024,18 @@ __tree_mod_log_oldest_root(struct btrfs_fs_info *fs_info, if (!looped && !tm) return 0; /* - * we must have key remove operations in the log before the - * replace operation. + * if there are no tree operation for the oldest root, we simply + * return it. this should only happen if that (old) root is at + * level 0. */ - BUG_ON(!tm); + if (!tm) + break; + /* + * if there's an operation that's not a root replacement, we + * found the oldest version of our root. normally, we'll find a + * MOD_LOG_KEY_REMOVE_WHILE_FREEING operation here. + */ if (tm->op != MOD_LOG_ROOT_REPLACE) break; @@ -1023,6 +1045,10 @@ __tree_mod_log_oldest_root(struct btrfs_fs_info *fs_info, looped = 1; } + /* if there's no old root to return, return what we found instead */ + if (!found) + found = tm; + return found; } @@ -1068,11 +1094,7 @@ __tree_mod_log_rewind(struct extent_buffer *eb, u64 time_seq, tm->generation); break; case MOD_LOG_KEY_ADD: - if (tm->slot != n - 1) { - o_dst = btrfs_node_key_ptr_offset(tm->slot); - o_src = btrfs_node_key_ptr_offset(tm->slot + 1); - memmove_extent_buffer(eb, o_dst, o_src, p_size); - } + /* if a move operation is needed it's in the log */ n--; break; case MOD_LOG_MOVE_KEYS: @@ -1143,45 +1165,57 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct extent_buffer *eb, return eb_rewin; } +/* + * get_old_root() rewinds the state of @root's root node to the given @time_seq + * value. If there are no changes, the current root->root_node is returned. If + * anything changed in between, there's a fresh buffer allocated on which the + * rewind operations are done. In any case, the returned buffer is read locked. + * Returns NULL on error (with no locks held). + */ static inline struct extent_buffer * get_old_root(struct btrfs_root *root, u64 time_seq) { struct tree_mod_elem *tm; struct extent_buffer *eb; - struct tree_mod_root *old_root; - u64 old_generation; + struct tree_mod_root *old_root = NULL; + u64 old_generation = 0; + u64 logical; + eb = btrfs_read_lock_root_node(root); tm = __tree_mod_log_oldest_root(root->fs_info, root, time_seq); if (!tm) return root->node; - old_root = &tm->old_root; - old_generation = tm->generation; - - tm = tree_mod_log_search(root->fs_info, old_root->logical, time_seq); - /* - * there was an item in the log when __tree_mod_log_oldest_root - * returned. this one must not go away, because the time_seq passed to - * us must be blocking its removal. - */ - BUG_ON(!tm); + if (tm->op == MOD_LOG_ROOT_REPLACE) { + old_root = &tm->old_root; + old_generation = tm->generation; + logical = old_root->logical; + } else { + logical = root->node->start; + } - if (old_root->logical == root->node->start) { - /* there are logged operations for the current root */ + tm = tree_mod_log_search(root->fs_info, logical, time_seq); + if (old_root) + eb = alloc_dummy_extent_buffer(logical, root->nodesize); + else eb = btrfs_clone_extent_buffer(root->node); - } else { - /* there's a root replace operation for the current root */ - eb = alloc_dummy_extent_buffer(tm->index << PAGE_CACHE_SHIFT, - root->nodesize); + btrfs_tree_read_unlock(root->node); + free_extent_buffer(root->node); + if (!eb) + return NULL; + btrfs_tree_read_lock(eb); + if (old_root) { btrfs_set_header_bytenr(eb, eb->start); btrfs_set_header_backref_rev(eb, BTRFS_MIXED_BACKREF_REV); btrfs_set_header_owner(eb, root->root_key.objectid); + btrfs_set_header_level(eb, old_root->level); + btrfs_set_header_generation(eb, old_generation); } - if (!eb) - return NULL; - btrfs_set_header_level(eb, old_root->level); - btrfs_set_header_generation(eb, old_generation); - __tree_mod_log_rewind(eb, time_seq, tm); + if (tm) + __tree_mod_log_rewind(eb, time_seq, tm); + else + WARN_ON(btrfs_header_level(eb) != 0); + extent_buffer_get(eb); return eb; } @@ -1650,8 +1684,6 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, BTRFS_NODEPTRS_PER_BLOCK(root) / 4) return 0; - btrfs_header_nritems(mid); - left = read_node_slot(root, parent, pslot - 1); if (left) { btrfs_tree_lock(left); @@ -1681,7 +1713,6 @@ static noinline int balance_level(struct btrfs_trans_handle *trans, wret = push_node_left(trans, root, left, mid, 1); if (wret < 0) ret = wret; - btrfs_header_nritems(mid); } /* @@ -2615,9 +2646,7 @@ int btrfs_search_old_slot(struct btrfs_root *root, struct btrfs_key *key, again: b = get_old_root(root, time_seq); - extent_buffer_get(b); level = btrfs_header_level(b); - btrfs_tree_read_lock(b); p->locks[level] = BTRFS_READ_LOCK; while (b) { @@ -2964,7 +2993,7 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans, static void insert_ptr(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, struct btrfs_disk_key *key, u64 bytenr, - int slot, int level, int tree_mod_log) + int slot, int level) { struct extent_buffer *lower; int nritems; @@ -2977,7 +3006,7 @@ static void insert_ptr(struct btrfs_trans_handle *trans, BUG_ON(slot > nritems); BUG_ON(nritems == BTRFS_NODEPTRS_PER_BLOCK(root)); if (slot != nritems) { - if (tree_mod_log && level) + if (level) tree_mod_log_eb_move(root->fs_info, lower, slot + 1, slot, nritems - slot); memmove_extent_buffer(lower, @@ -2985,7 +3014,7 @@ static void insert_ptr(struct btrfs_trans_handle *trans, btrfs_node_key_ptr_offset(slot), (nritems - slot) * sizeof(struct btrfs_key_ptr)); } - if (tree_mod_log && level) { + if (level) { ret = tree_mod_log_insert_key(root->fs_info, lower, slot, MOD_LOG_KEY_ADD); BUG_ON(ret < 0); @@ -3073,7 +3102,7 @@ static noinline int split_node(struct btrfs_trans_handle *trans, btrfs_mark_buffer_dirty(split); insert_ptr(trans, root, path, &disk_key, split->start, - path->slots[level + 1] + 1, level + 1, 1); + path->slots[level + 1] + 1, level + 1); if (path->slots[level] >= mid) { path->slots[level] -= mid; @@ -3610,7 +3639,7 @@ static noinline void copy_for_split(struct btrfs_trans_handle *trans, btrfs_set_header_nritems(l, mid); btrfs_item_key(right, &disk_key, 0); insert_ptr(trans, root, path, &disk_key, right->start, - path->slots[1] + 1, 1, 0); + path->slots[1] + 1, 1); btrfs_mark_buffer_dirty(right); btrfs_mark_buffer_dirty(l); @@ -3817,7 +3846,7 @@ again: if (mid <= slot) { btrfs_set_header_nritems(right, 0); insert_ptr(trans, root, path, &disk_key, right->start, - path->slots[1] + 1, 1, 0); + path->slots[1] + 1, 1); btrfs_tree_unlock(path->nodes[0]); free_extent_buffer(path->nodes[0]); path->nodes[0] = right; @@ -3826,7 +3855,7 @@ again: } else { btrfs_set_header_nritems(right, 0); insert_ptr(trans, root, path, &disk_key, right->start, - path->slots[1], 1, 0); + path->slots[1], 1); btrfs_tree_unlock(path->nodes[0]); free_extent_buffer(path->nodes[0]); path->nodes[0] = right; @@ -5001,6 +5030,12 @@ next: */ int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path) { + return btrfs_next_old_leaf(root, path, 0); +} + +int btrfs_next_old_leaf(struct btrfs_root *root, struct btrfs_path *path, + u64 time_seq) +{ int slot; int level; struct extent_buffer *c; @@ -5025,7 +5060,10 @@ again: path->keep_locks = 1; path->leave_spinning = 1; - ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); + if (time_seq) + ret = btrfs_search_old_slot(root, &key, path, time_seq); + else + ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); path->keep_locks = 0; if (ret < 0) @@ -5081,6 +5119,18 @@ again: if (!path->skip_locking) { ret = btrfs_try_tree_read_lock(next); + if (!ret && time_seq) { + /* + * If we don't get the lock, we may be racing + * with push_leaf_left, holding that lock while + * itself waiting for the leaf we've currently + * locked. To solve this situation, we give up + * on our lock and cycle. + */ + btrfs_release_path(path); + cond_resched(); + goto again; + } if (!ret) { btrfs_set_path_blocking(path); btrfs_tree_read_lock(next); diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 0236d03c6732..fa5c45b39075 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2753,13 +2753,20 @@ static inline int btrfs_insert_empty_item(struct btrfs_trans_handle *trans, } int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path); -static inline int btrfs_next_item(struct btrfs_root *root, struct btrfs_path *p) +int btrfs_next_old_leaf(struct btrfs_root *root, struct btrfs_path *path, + u64 time_seq); +static inline int btrfs_next_old_item(struct btrfs_root *root, + struct btrfs_path *p, u64 time_seq) { ++p->slots[0]; if (p->slots[0] >= btrfs_header_nritems(p->nodes[0])) - return btrfs_next_leaf(root, p); + return btrfs_next_old_leaf(root, p, time_seq); return 0; } +static inline int btrfs_next_item(struct btrfs_root *root, struct btrfs_path *p) +{ + return btrfs_next_old_item(root, p, 0); +} int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path); int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf); int __must_check btrfs_drop_snapshot(struct btrfs_root *root, diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index c18d0442ae6d..2399f4086915 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -1879,3 +1879,21 @@ void btrfs_kill_all_delayed_nodes(struct btrfs_root *root) } } } + +void btrfs_destroy_delayed_inodes(struct btrfs_root *root) +{ + struct btrfs_delayed_root *delayed_root; + struct btrfs_delayed_node *curr_node, *prev_node; + + delayed_root = btrfs_get_delayed_root(root); + + curr_node = btrfs_first_delayed_node(delayed_root); + while (curr_node) { + __btrfs_kill_delayed_node(curr_node); + + prev_node = curr_node; + curr_node = btrfs_next_delayed_node(curr_node); + btrfs_release_delayed_node(prev_node); + } +} + diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h index 7083d08b2a21..f5aa4023d3e1 100644 --- a/fs/btrfs/delayed-inode.h +++ b/fs/btrfs/delayed-inode.h @@ -124,6 +124,9 @@ int btrfs_fill_inode(struct inode *inode, u32 *rdev); /* Used for drop dead root */ void btrfs_kill_all_delayed_nodes(struct btrfs_root *root); +/* Used for clean the transaction */ +void btrfs_destroy_delayed_inodes(struct btrfs_root *root); + /* Used for readdir() */ void btrfs_get_delayed_items(struct inode *inode, struct list_head *ins_list, struct list_head *del_list); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 7ae51decf6d3..2936ca49b3b4 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -44,6 +44,7 @@ #include "free-space-cache.h" #include "inode-map.h" #include "check-integrity.h" +#include "rcu-string.h" static struct extent_io_ops btree_extent_io_ops; static void end_workqueue_fn(struct btrfs_work *work); @@ -2118,7 +2119,7 @@ int open_ctree(struct super_block *sb, features = btrfs_super_incompat_flags(disk_super); features |= BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF; - if (tree_root->fs_info->compress_type & BTRFS_COMPRESS_LZO) + if (tree_root->fs_info->compress_type == BTRFS_COMPRESS_LZO) features |= BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO; /* @@ -2353,12 +2354,17 @@ retry_root_backup: BTRFS_CSUM_TREE_OBJECTID, csum_root); if (ret) goto recovery_tree_root; - csum_root->track_dirty = 1; fs_info->generation = generation; fs_info->last_trans_committed = generation; + ret = btrfs_recover_balance(fs_info); + if (ret) { + printk(KERN_WARNING "btrfs: failed to recover balance\n"); + goto fail_block_groups; + } + ret = btrfs_init_dev_stats(fs_info); if (ret) { printk(KERN_ERR "btrfs: failed to init dev_stats: %d\n", @@ -2484,20 +2490,23 @@ retry_root_backup: goto fail_trans_kthread; } - if (!(sb->s_flags & MS_RDONLY)) { - down_read(&fs_info->cleanup_work_sem); - err = btrfs_orphan_cleanup(fs_info->fs_root); - if (!err) - err = btrfs_orphan_cleanup(fs_info->tree_root); - up_read(&fs_info->cleanup_work_sem); + if (sb->s_flags & MS_RDONLY) + return 0; - if (!err) - err = btrfs_recover_balance(fs_info->tree_root); + down_read(&fs_info->cleanup_work_sem); + if ((ret = btrfs_orphan_cleanup(fs_info->fs_root)) || + (ret = btrfs_orphan_cleanup(fs_info->tree_root))) { + up_read(&fs_info->cleanup_work_sem); + close_ctree(tree_root); + return ret; + } + up_read(&fs_info->cleanup_work_sem); - if (err) { - close_ctree(tree_root); - return err; - } + ret = btrfs_resume_balance_async(fs_info); + if (ret) { + printk(KERN_WARNING "btrfs: failed to resume balance\n"); + close_ctree(tree_root); + return ret; } return 0; @@ -2575,8 +2584,9 @@ static void btrfs_end_buffer_write_sync(struct buffer_head *bh, int uptodate) struct btrfs_device *device = (struct btrfs_device *) bh->b_private; - printk_ratelimited(KERN_WARNING "lost page write due to " - "I/O error on %s\n", device->name); + printk_ratelimited_in_rcu(KERN_WARNING "lost page write due to " + "I/O error on %s\n", + rcu_str_deref(device->name)); /* note, we dont' set_buffer_write_io_error because we have * our own ways of dealing with the IO errors */ @@ -2749,8 +2759,8 @@ static int write_dev_flush(struct btrfs_device *device, int wait) wait_for_completion(&device->flush_wait); if (bio_flagged(bio, BIO_EOPNOTSUPP)) { - printk("btrfs: disabling barriers on dev %s\n", - device->name); + printk_in_rcu("btrfs: disabling barriers on dev %s\n", + rcu_str_deref(device->name)); device->nobarriers = 1; } if (!bio_flagged(bio, BIO_UPTODATE)) { @@ -3400,7 +3410,6 @@ int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans, delayed_refs = &trans->delayed_refs; -again: spin_lock(&delayed_refs->lock); if (delayed_refs->num_entries == 0) { spin_unlock(&delayed_refs->lock); @@ -3408,31 +3417,37 @@ again: return ret; } - node = rb_first(&delayed_refs->root); - while (node) { + while ((node = rb_first(&delayed_refs->root)) != NULL) { ref = rb_entry(node, struct btrfs_delayed_ref_node, rb_node); - node = rb_next(node); - - ref->in_tree = 0; - rb_erase(&ref->rb_node, &delayed_refs->root); - delayed_refs->num_entries--; atomic_set(&ref->refs, 1); if (btrfs_delayed_ref_is_head(ref)) { struct btrfs_delayed_ref_head *head; head = btrfs_delayed_node_to_head(ref); - spin_unlock(&delayed_refs->lock); - mutex_lock(&head->mutex); + if (!mutex_trylock(&head->mutex)) { + atomic_inc(&ref->refs); + spin_unlock(&delayed_refs->lock); + + /* Need to wait for the delayed ref to run */ + mutex_lock(&head->mutex); + mutex_unlock(&head->mutex); + btrfs_put_delayed_ref(ref); + + spin_lock(&delayed_refs->lock); + continue; + } + kfree(head->extent_op); delayed_refs->num_heads--; if (list_empty(&head->cluster)) delayed_refs->num_heads_ready--; list_del_init(&head->cluster); - mutex_unlock(&head->mutex); - btrfs_put_delayed_ref(ref); - goto again; } + ref->in_tree = 0; + rb_erase(&ref->rb_node, &delayed_refs->root); + delayed_refs->num_entries--; + spin_unlock(&delayed_refs->lock); btrfs_put_delayed_ref(ref); @@ -3520,11 +3535,9 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root, &(&BTRFS_I(page->mapping->host)->io_tree)->buffer, offset >> PAGE_CACHE_SHIFT); spin_unlock(&dirty_pages->buffer_lock); - if (eb) { + if (eb) ret = test_and_clear_bit(EXTENT_BUFFER_DIRTY, &eb->bflags); - atomic_set(&eb->refs, 1); - } if (PageWriteback(page)) end_page_writeback(page); @@ -3538,8 +3551,8 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root, spin_unlock_irq(&page->mapping->tree_lock); } - page->mapping->a_ops->invalidatepage(page, 0); unlock_page(page); + page_cache_release(page); } } @@ -3553,8 +3566,10 @@ static int btrfs_destroy_pinned_extent(struct btrfs_root *root, u64 start; u64 end; int ret; + bool loop = true; unpin = pinned_extents; +again: while (1) { ret = find_first_extent_bit(unpin, 0, &start, &end, EXTENT_DIRTY); @@ -3572,6 +3587,15 @@ static int btrfs_destroy_pinned_extent(struct btrfs_root *root, cond_resched(); } + if (loop) { + if (unpin == &root->fs_info->freed_extents[0]) + unpin = &root->fs_info->freed_extents[1]; + else + unpin = &root->fs_info->freed_extents[0]; + loop = false; + goto again; + } + return 0; } @@ -3585,21 +3609,23 @@ void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans, /* FIXME: cleanup wait for commit */ cur_trans->in_commit = 1; cur_trans->blocked = 1; - if (waitqueue_active(&root->fs_info->transaction_blocked_wait)) - wake_up(&root->fs_info->transaction_blocked_wait); + wake_up(&root->fs_info->transaction_blocked_wait); cur_trans->blocked = 0; - if (waitqueue_active(&root->fs_info->transaction_wait)) - wake_up(&root->fs_info->transaction_wait); + wake_up(&root->fs_info->transaction_wait); cur_trans->commit_done = 1; - if (waitqueue_active(&cur_trans->commit_wait)) - wake_up(&cur_trans->commit_wait); + wake_up(&cur_trans->commit_wait); + + btrfs_destroy_delayed_inodes(root); + btrfs_assert_delayed_root_empty(root); btrfs_destroy_pending_snapshots(cur_trans); btrfs_destroy_marked_extents(root, &cur_trans->dirty_pages, EXTENT_DIRTY); + btrfs_destroy_pinned_extent(root, + root->fs_info->pinned_extents); /* memset(cur_trans, 0, sizeof(*cur_trans)); @@ -3648,6 +3674,9 @@ int btrfs_cleanup_transaction(struct btrfs_root *root) if (waitqueue_active(&t->commit_wait)) wake_up(&t->commit_wait); + btrfs_destroy_delayed_inodes(root); + btrfs_assert_delayed_root_empty(root); + btrfs_destroy_pending_snapshots(t); btrfs_destroy_delalloc_inodes(root); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 4b5a1e1bdefb..6e1d36702ff7 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2347,12 +2347,10 @@ next: return count; } - static void wait_for_more_refs(struct btrfs_delayed_ref_root *delayed_refs, - unsigned long num_refs) + unsigned long num_refs, + struct list_head *first_seq) { - struct list_head *first_seq = delayed_refs->seq_head.next; - spin_unlock(&delayed_refs->lock); pr_debug("waiting for more refs (num %ld, first %p)\n", num_refs, first_seq); @@ -2381,6 +2379,7 @@ int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, struct btrfs_delayed_ref_root *delayed_refs; struct btrfs_delayed_ref_node *ref; struct list_head cluster; + struct list_head *first_seq = NULL; int ret; u64 delayed_start; int run_all = count == (unsigned long)-1; @@ -2436,8 +2435,10 @@ again: */ consider_waiting = 1; num_refs = delayed_refs->num_entries; + first_seq = root->fs_info->tree_mod_seq_list.next; } else { - wait_for_more_refs(delayed_refs, num_refs); + wait_for_more_refs(delayed_refs, + num_refs, first_seq); /* * after waiting, things have changed. we * dropped the lock and someone else might have diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 2c8f7b204617..deafe19c34b5 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -20,6 +20,7 @@ #include "volumes.h" #include "check-integrity.h" #include "locking.h" +#include "rcu-string.h" static struct kmem_cache *extent_state_cache; static struct kmem_cache *extent_buffer_cache; @@ -928,7 +929,8 @@ int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, int bits, /** - * convert_extent - convert all bits in a given range from one bit to another + * convert_extent_bit - convert all bits in a given range from one bit to + * another * @tree: the io tree to search * @start: the start offset in bytes * @end: the end offset in bytes (inclusive) @@ -1917,9 +1919,9 @@ int repair_io_failure(struct btrfs_mapping_tree *map_tree, u64 start, return -EIO; } - printk(KERN_INFO "btrfs read error corrected: ino %lu off %llu (dev %s " - "sector %llu)\n", page->mapping->host->i_ino, start, - dev->name, sector); + printk_in_rcu(KERN_INFO "btrfs read error corrected: ino %lu off %llu " + "(dev %s sector %llu)\n", page->mapping->host->i_ino, + start, rcu_str_deref(dev->name), sector); bio_put(bio); return 0; @@ -3323,6 +3325,7 @@ static int extent_write_cache_pages(struct extent_io_tree *tree, writepage_t writepage, void *data, void (*flush_fn)(void *)) { + struct inode *inode = mapping->host; int ret = 0; int done = 0; int nr_to_write_done = 0; @@ -3333,6 +3336,18 @@ static int extent_write_cache_pages(struct extent_io_tree *tree, int scanned = 0; int tag; + /* + * We have to hold onto the inode so that ordered extents can do their + * work when the IO finishes. The alternative to this is failing to add + * an ordered extent if the igrab() fails there and that is a huge pain + * to deal with, so instead just hold onto the inode throughout the + * writepages operation. If it fails here we are freeing up the inode + * anyway and we'd rather not waste our time writing out stuff that is + * going to be truncated anyway. + */ + if (!igrab(inode)) + return 0; + pagevec_init(&pvec, 0); if (wbc->range_cyclic) { index = mapping->writeback_index; /* Start from prev offset */ @@ -3427,6 +3442,7 @@ retry: index = 0; goto retry; } + btrfs_add_delayed_iput(inode); return ret; } diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 70dc8ca73e25..9aa01ec2138d 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1334,7 +1334,6 @@ static ssize_t __btrfs_direct_write(struct kiocb *iocb, loff_t *ppos, size_t count, size_t ocount) { struct file *file = iocb->ki_filp; - struct inode *inode = fdentry(file)->d_inode; struct iov_iter i; ssize_t written; ssize_t written_buffered; @@ -1344,18 +1343,6 @@ static ssize_t __btrfs_direct_write(struct kiocb *iocb, written = generic_file_direct_write(iocb, iov, &nr_segs, pos, ppos, count, ocount); - /* - * the generic O_DIRECT will update in-memory i_size after the - * DIOs are done. But our endio handlers that update the on - * disk i_size never update past the in memory i_size. So we - * need one more update here to catch any additions to the - * file - */ - if (inode->i_size != BTRFS_I(inode)->disk_i_size) { - btrfs_ordered_update_i_size(inode, inode->i_size, NULL); - mark_inode_dirty(inode); - } - if (written < 0 || written == count) return written; diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 81296c57405a..6c4e2baa9290 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1543,29 +1543,26 @@ again: end = bitmap_info->offset + (u64)(BITS_PER_BITMAP * ctl->unit) - 1; /* - * XXX - this can go away after a few releases. - * - * since the only user of btrfs_remove_free_space is the tree logging - * stuff, and the only way to test that is under crash conditions, we - * want to have this debug stuff here just in case somethings not - * working. Search the bitmap for the space we are trying to use to - * make sure its actually there. If its not there then we need to stop - * because something has gone wrong. + * We need to search for bits in this bitmap. We could only cover some + * of the extent in this bitmap thanks to how we add space, so we need + * to search for as much as it as we can and clear that amount, and then + * go searching for the next bit. */ search_start = *offset; - search_bytes = *bytes; + search_bytes = ctl->unit; search_bytes = min(search_bytes, end - search_start + 1); ret = search_bitmap(ctl, bitmap_info, &search_start, &search_bytes); BUG_ON(ret < 0 || search_start != *offset); - if (*offset > bitmap_info->offset && *offset + *bytes > end) { - bitmap_clear_bits(ctl, bitmap_info, *offset, end - *offset + 1); - *bytes -= end - *offset + 1; - *offset = end + 1; - } else if (*offset >= bitmap_info->offset && *offset + *bytes <= end) { - bitmap_clear_bits(ctl, bitmap_info, *offset, *bytes); - *bytes = 0; - } + /* We may have found more bits than what we need */ + search_bytes = min(search_bytes, *bytes); + + /* Cannot clear past the end of the bitmap */ + search_bytes = min(search_bytes, end - search_start + 1); + + bitmap_clear_bits(ctl, bitmap_info, search_start, search_bytes); + *offset += search_bytes; + *bytes -= search_bytes; if (*bytes) { struct rb_node *next = rb_next(&bitmap_info->offset_index); @@ -1596,7 +1593,7 @@ again: * everything over again. */ search_start = *offset; - search_bytes = *bytes; + search_bytes = ctl->unit; ret = search_bitmap(ctl, bitmap_info, &search_start, &search_bytes); if (ret < 0 || search_start != *offset) @@ -1879,12 +1876,14 @@ int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; struct btrfs_free_space *info; - struct btrfs_free_space *next_info = NULL; int ret = 0; spin_lock(&ctl->tree_lock); again: + if (!bytes) + goto out_lock; + info = tree_search_offset(ctl, offset, 0, 0); if (!info) { /* @@ -1905,88 +1904,48 @@ again: } } - if (info->bytes < bytes && rb_next(&info->offset_index)) { - u64 end; - next_info = rb_entry(rb_next(&info->offset_index), - struct btrfs_free_space, - offset_index); - - if (next_info->bitmap) - end = next_info->offset + - BITS_PER_BITMAP * ctl->unit - 1; - else - end = next_info->offset + next_info->bytes; - - if (next_info->bytes < bytes || - next_info->offset > offset || offset > end) { - printk(KERN_CRIT "Found free space at %llu, size %llu," - " trying to use %llu\n", - (unsigned long long)info->offset, - (unsigned long long)info->bytes, - (unsigned long long)bytes); - WARN_ON(1); - ret = -EINVAL; - goto out_lock; - } - - info = next_info; - } - - if (info->bytes == bytes) { + if (!info->bitmap) { unlink_free_space(ctl, info); - if (info->bitmap) { - kfree(info->bitmap); - ctl->total_bitmaps--; - } - kmem_cache_free(btrfs_free_space_cachep, info); - ret = 0; - goto out_lock; - } - - if (!info->bitmap && info->offset == offset) { - unlink_free_space(ctl, info); - info->offset += bytes; - info->bytes -= bytes; - ret = link_free_space(ctl, info); - WARN_ON(ret); - goto out_lock; - } + if (offset == info->offset) { + u64 to_free = min(bytes, info->bytes); + + info->bytes -= to_free; + info->offset += to_free; + if (info->bytes) { + ret = link_free_space(ctl, info); + WARN_ON(ret); + } else { + kmem_cache_free(btrfs_free_space_cachep, info); + } - if (!info->bitmap && info->offset <= offset && - info->offset + info->bytes >= offset + bytes) { - u64 old_start = info->offset; - /* - * we're freeing space in the middle of the info, - * this can happen during tree log replay - * - * first unlink the old info and then - * insert it again after the hole we're creating - */ - unlink_free_space(ctl, info); - if (offset + bytes < info->offset + info->bytes) { - u64 old_end = info->offset + info->bytes; + offset += to_free; + bytes -= to_free; + goto again; + } else { + u64 old_end = info->bytes + info->offset; - info->offset = offset + bytes; - info->bytes = old_end - info->offset; + info->bytes = offset - info->offset; ret = link_free_space(ctl, info); WARN_ON(ret); if (ret) goto out_lock; - } else { - /* the hole we're creating ends at the end - * of the info struct, just free the info - */ - kmem_cache_free(btrfs_free_space_cachep, info); - } - spin_unlock(&ctl->tree_lock); - /* step two, insert a new info struct to cover - * anything before the hole - */ - ret = btrfs_add_free_space(block_group, old_start, - offset - old_start); - WARN_ON(ret); /* -ENOMEM */ - goto out; + /* Not enough bytes in this entry to satisfy us */ + if (old_end < offset + bytes) { + bytes -= old_end - offset; + offset = old_end; + goto again; + } else if (old_end == offset + bytes) { + /* all done */ + goto out_lock; + } + spin_unlock(&ctl->tree_lock); + + ret = btrfs_add_free_space(block_group, offset + bytes, + old_end - (offset + bytes)); + WARN_ON(ret); + goto out; + } } ret = remove_from_bitmap(ctl, info, &offset, &bytes); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index f6ab6f5e635a..fb8d671d00e6 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -830,7 +830,7 @@ static noinline int cow_file_range(struct inode *inode, if (IS_ERR(trans)) { extent_clear_unlock_delalloc(inode, &BTRFS_I(inode)->io_tree, - start, end, NULL, + start, end, locked_page, EXTENT_CLEAR_UNLOCK_PAGE | EXTENT_CLEAR_UNLOCK | EXTENT_CLEAR_DELALLOC | @@ -963,7 +963,7 @@ out: out_unlock: extent_clear_unlock_delalloc(inode, &BTRFS_I(inode)->io_tree, - start, end, NULL, + start, end, locked_page, EXTENT_CLEAR_UNLOCK_PAGE | EXTENT_CLEAR_UNLOCK | EXTENT_CLEAR_DELALLOC | @@ -986,8 +986,10 @@ static noinline void async_cow_start(struct btrfs_work *work) compress_file_range(async_cow->inode, async_cow->locked_page, async_cow->start, async_cow->end, async_cow, &num_added); - if (num_added == 0) + if (num_added == 0) { + btrfs_add_delayed_iput(async_cow->inode); async_cow->inode = NULL; + } } /* @@ -1020,6 +1022,8 @@ static noinline void async_cow_free(struct btrfs_work *work) { struct async_cow *async_cow; async_cow = container_of(work, struct async_cow, work); + if (async_cow->inode) + btrfs_add_delayed_iput(async_cow->inode); kfree(async_cow); } @@ -1038,7 +1042,7 @@ static int cow_file_range_async(struct inode *inode, struct page *locked_page, while (start < end) { async_cow = kmalloc(sizeof(*async_cow), GFP_NOFS); BUG_ON(!async_cow); /* -ENOMEM */ - async_cow->inode = inode; + async_cow->inode = igrab(inode); async_cow->root = root; async_cow->locked_page = locked_page; async_cow->start = start; @@ -1136,8 +1140,18 @@ static noinline int run_delalloc_nocow(struct inode *inode, u64 ino = btrfs_ino(inode); path = btrfs_alloc_path(); - if (!path) + if (!path) { + extent_clear_unlock_delalloc(inode, + &BTRFS_I(inode)->io_tree, + start, end, locked_page, + EXTENT_CLEAR_UNLOCK_PAGE | + EXTENT_CLEAR_UNLOCK | + EXTENT_CLEAR_DELALLOC | + EXTENT_CLEAR_DIRTY | + EXTENT_SET_WRITEBACK | + EXTENT_END_WRITEBACK); return -ENOMEM; + } nolock = btrfs_is_free_space_inode(root, inode); @@ -1147,6 +1161,15 @@ static noinline int run_delalloc_nocow(struct inode *inode, trans = btrfs_join_transaction(root); if (IS_ERR(trans)) { + extent_clear_unlock_delalloc(inode, + &BTRFS_I(inode)->io_tree, + start, end, locked_page, + EXTENT_CLEAR_UNLOCK_PAGE | + EXTENT_CLEAR_UNLOCK | + EXTENT_CLEAR_DELALLOC | + EXTENT_CLEAR_DIRTY | + EXTENT_SET_WRITEBACK | + EXTENT_END_WRITEBACK); btrfs_free_path(path); return PTR_ERR(trans); } @@ -1327,8 +1350,11 @@ out_check: } btrfs_release_path(path); - if (cur_offset <= end && cow_start == (u64)-1) + if (cur_offset <= end && cow_start == (u64)-1) { cow_start = cur_offset; + cur_offset = end; + } + if (cow_start != (u64)-1) { ret = cow_file_range(inode, locked_page, cow_start, end, page_started, nr_written, 1); @@ -1347,6 +1373,17 @@ error: if (!ret) ret = err; + if (ret && cur_offset < end) + extent_clear_unlock_delalloc(inode, + &BTRFS_I(inode)->io_tree, + cur_offset, end, locked_page, + EXTENT_CLEAR_UNLOCK_PAGE | + EXTENT_CLEAR_UNLOCK | + EXTENT_CLEAR_DELALLOC | + EXTENT_CLEAR_DIRTY | + EXTENT_SET_WRITEBACK | + EXTENT_END_WRITEBACK); + btrfs_free_path(path); return ret; } @@ -1361,20 +1398,23 @@ static int run_delalloc_range(struct inode *inode, struct page *locked_page, int ret; struct btrfs_root *root = BTRFS_I(inode)->root; - if (BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW) + if (BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW) { ret = run_delalloc_nocow(inode, locked_page, start, end, page_started, 1, nr_written); - else if (BTRFS_I(inode)->flags & BTRFS_INODE_PREALLOC) + } else if (BTRFS_I(inode)->flags & BTRFS_INODE_PREALLOC) { ret = run_delalloc_nocow(inode, locked_page, start, end, page_started, 0, nr_written); - else if (!btrfs_test_opt(root, COMPRESS) && - !(BTRFS_I(inode)->force_compress) && - !(BTRFS_I(inode)->flags & BTRFS_INODE_COMPRESS)) + } else if (!btrfs_test_opt(root, COMPRESS) && + !(BTRFS_I(inode)->force_compress) && + !(BTRFS_I(inode)->flags & BTRFS_INODE_COMPRESS)) { ret = cow_file_range(inode, locked_page, start, end, page_started, nr_written, 1); - else + } else { + set_bit(BTRFS_INODE_HAS_ASYNC_EXTENT, + &BTRFS_I(inode)->runtime_flags); ret = cow_file_range_async(inode, locked_page, start, end, page_started, nr_written); + } return ret; } @@ -3714,7 +3754,7 @@ void btrfs_evict_inode(struct inode *inode) btrfs_wait_ordered_range(inode, 0, (u64)-1); if (root->fs_info->log_root_recovering) { - BUG_ON(!test_bit(BTRFS_INODE_HAS_ORPHAN_ITEM, + BUG_ON(test_bit(BTRFS_INODE_HAS_ORPHAN_ITEM, &BTRFS_I(inode)->runtime_flags)); goto no_delete; } @@ -4207,7 +4247,7 @@ static void btrfs_dentry_release(struct dentry *dentry) } static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct dentry *ret; @@ -4853,7 +4893,7 @@ out_unlock: } static int btrfs_create(struct inode *dir, struct dentry *dentry, - umode_t mode, struct nameidata *nd) + umode_t mode, bool excl) { struct btrfs_trans_handle *trans; struct btrfs_root *root = BTRFS_I(dir)->root; @@ -5836,8 +5876,17 @@ map: bh_result->b_size = len; bh_result->b_bdev = em->bdev; set_buffer_mapped(bh_result); - if (create && !test_bit(EXTENT_FLAG_PREALLOC, &em->flags)) - set_buffer_new(bh_result); + if (create) { + if (!test_bit(EXTENT_FLAG_PREALLOC, &em->flags)) + set_buffer_new(bh_result); + + /* + * Need to update the i_size under the extent lock so buffered + * readers will get the updated i_size when we unlock. + */ + if (start + len > i_size_read(inode)) + i_size_write(inode, start + len); + } free_extent_map(em); @@ -6320,12 +6369,48 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb, */ ordered = btrfs_lookup_ordered_range(inode, lockstart, lockend - lockstart + 1); - if (!ordered) + + /* + * We need to make sure there are no buffered pages in this + * range either, we could have raced between the invalidate in + * generic_file_direct_write and locking the extent. The + * invalidate needs to happen so that reads after a write do not + * get stale data. + */ + if (!ordered && (!writing || + !test_range_bit(&BTRFS_I(inode)->io_tree, + lockstart, lockend, EXTENT_UPTODATE, 0, + cached_state))) break; + unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend, &cached_state, GFP_NOFS); - btrfs_start_ordered_extent(inode, ordered, 1); - btrfs_put_ordered_extent(ordered); + + if (ordered) { + btrfs_start_ordered_extent(inode, ordered, 1); + btrfs_put_ordered_extent(ordered); + } else { + /* Screw you mmap */ + ret = filemap_write_and_wait_range(file->f_mapping, + lockstart, + lockend); + if (ret) + goto out; + + /* + * If we found a page that couldn't be invalidated just + * fall back to buffered. + */ + ret = invalidate_inode_pages2_range(file->f_mapping, + lockstart >> PAGE_CACHE_SHIFT, + lockend >> PAGE_CACHE_SHIFT); + if (ret) { + if (ret == -EBUSY) + ret = 0; + goto out; + } + } + cond_resched(); } @@ -6902,7 +6987,7 @@ void btrfs_destroy_inode(struct inode *inode) struct btrfs_ordered_extent *ordered; struct btrfs_root *root = BTRFS_I(inode)->root; - WARN_ON(!list_empty(&inode->i_dentry)); + WARN_ON(!hlist_empty(&inode->i_dentry)); WARN_ON(inode->i_data.nrpages); WARN_ON(BTRFS_I(inode)->outstanding_extents); WARN_ON(BTRFS_I(inode)->reserved_extents); @@ -7054,10 +7139,13 @@ static void fixup_inode_flags(struct inode *dir, struct inode *inode) else b_inode->flags &= ~BTRFS_INODE_NODATACOW; - if (b_dir->flags & BTRFS_INODE_COMPRESS) + if (b_dir->flags & BTRFS_INODE_COMPRESS) { b_inode->flags |= BTRFS_INODE_COMPRESS; - else - b_inode->flags &= ~BTRFS_INODE_COMPRESS; + b_inode->flags &= ~BTRFS_INODE_NOCOMPRESS; + } else { + b_inode->flags &= ~(BTRFS_INODE_COMPRESS | + BTRFS_INODE_NOCOMPRESS); + } } static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry, diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 24b776c08d99..1e9f6c019ad0 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -52,6 +52,7 @@ #include "locking.h" #include "inode-map.h" #include "backref.h" +#include "rcu-string.h" /* Mask out flags that are inappropriate for the given type of inode. */ static inline __u32 btrfs_mask_flags(umode_t mode, __u32 flags) @@ -785,39 +786,57 @@ none: return -ENOENT; } -/* - * Validaty check of prev em and next em: - * 1) no prev/next em - * 2) prev/next em is an hole/inline extent - */ -static int check_adjacent_extents(struct inode *inode, struct extent_map *em) +static struct extent_map *defrag_lookup_extent(struct inode *inode, u64 start) { struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree; - struct extent_map *prev = NULL, *next = NULL; - int ret = 0; + struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree; + struct extent_map *em; + u64 len = PAGE_CACHE_SIZE; + /* + * hopefully we have this extent in the tree already, try without + * the full extent lock + */ read_lock(&em_tree->lock); - prev = lookup_extent_mapping(em_tree, em->start - 1, (u64)-1); - next = lookup_extent_mapping(em_tree, em->start + em->len, (u64)-1); + em = lookup_extent_mapping(em_tree, start, len); read_unlock(&em_tree->lock); - if ((!prev || prev->block_start >= EXTENT_MAP_LAST_BYTE) && - (!next || next->block_start >= EXTENT_MAP_LAST_BYTE)) - ret = 1; - free_extent_map(prev); - free_extent_map(next); + if (!em) { + /* get the big lock and read metadata off disk */ + lock_extent(io_tree, start, start + len - 1); + em = btrfs_get_extent(inode, NULL, 0, start, len, 0); + unlock_extent(io_tree, start, start + len - 1); + if (IS_ERR(em)) + return NULL; + } + + return em; +} + +static bool defrag_check_next_extent(struct inode *inode, struct extent_map *em) +{ + struct extent_map *next; + bool ret = true; + + /* this is the last extent */ + if (em->start + em->len >= i_size_read(inode)) + return false; + + next = defrag_lookup_extent(inode, em->start + em->len); + if (!next || next->block_start >= EXTENT_MAP_LAST_BYTE) + ret = false; + + free_extent_map(next); return ret; } -static int should_defrag_range(struct inode *inode, u64 start, u64 len, - int thresh, u64 *last_len, u64 *skip, - u64 *defrag_end) +static int should_defrag_range(struct inode *inode, u64 start, int thresh, + u64 *last_len, u64 *skip, u64 *defrag_end) { - struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree; - struct extent_map *em = NULL; - struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree; + struct extent_map *em; int ret = 1; + bool next_mergeable = true; /* * make sure that once we start defragging an extent, we keep on @@ -828,23 +847,9 @@ static int should_defrag_range(struct inode *inode, u64 start, u64 len, *skip = 0; - /* - * hopefully we have this extent in the tree already, try without - * the full extent lock - */ - read_lock(&em_tree->lock); - em = lookup_extent_mapping(em_tree, start, len); - read_unlock(&em_tree->lock); - - if (!em) { - /* get the big lock and read metadata off disk */ - lock_extent(io_tree, start, start + len - 1); - em = btrfs_get_extent(inode, NULL, 0, start, len, 0); - unlock_extent(io_tree, start, start + len - 1); - - if (IS_ERR(em)) - return 0; - } + em = defrag_lookup_extent(inode, start); + if (!em) + return 0; /* this will cover holes, and inline extents */ if (em->block_start >= EXTENT_MAP_LAST_BYTE) { @@ -852,18 +857,15 @@ static int should_defrag_range(struct inode *inode, u64 start, u64 len, goto out; } - /* If we have nothing to merge with us, just skip. */ - if (check_adjacent_extents(inode, em)) { - ret = 0; - goto out; - } + next_mergeable = defrag_check_next_extent(inode, em); /* - * we hit a real extent, if it is big don't bother defragging it again + * we hit a real extent, if it is big or the next extent is not a + * real extent, don't bother defragging it */ - if ((*last_len == 0 || *last_len >= thresh) && em->len >= thresh) + if ((*last_len == 0 || *last_len >= thresh) && + (em->len >= thresh || !next_mergeable)) ret = 0; - out: /* * last_len ends up being a counter of how many bytes we've defragged. @@ -1142,8 +1144,8 @@ int btrfs_defrag_file(struct inode *inode, struct file *file, break; if (!should_defrag_range(inode, (u64)i << PAGE_CACHE_SHIFT, - PAGE_CACHE_SIZE, extent_thresh, - &last_len, &skip, &defrag_end)) { + extent_thresh, &last_len, &skip, + &defrag_end)) { unsigned long next; /* * the should_defrag function tells us how much to skip @@ -1304,6 +1306,14 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root, ret = -EINVAL; goto out_free; } + if (device->fs_devices && device->fs_devices->seeding) { + printk(KERN_INFO "btrfs: resizer unable to apply on " + "seeding device %llu\n", + (unsigned long long)devid); + ret = -EINVAL; + goto out_free; + } + if (!strcmp(sizestr, "max")) new_size = device->bdev->bd_inode->i_size; else { @@ -1345,8 +1355,9 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root, do_div(new_size, root->sectorsize); new_size *= root->sectorsize; - printk(KERN_INFO "btrfs: new size for %s is %llu\n", - device->name, (unsigned long long)new_size); + printk_in_rcu(KERN_INFO "btrfs: new size for %s is %llu\n", + rcu_str_deref(device->name), + (unsigned long long)new_size); if (new_size > old_size) { trans = btrfs_start_transaction(root, 0); @@ -2264,7 +2275,12 @@ static long btrfs_ioctl_dev_info(struct btrfs_root *root, void __user *arg) di_args->total_bytes = dev->total_bytes; memcpy(di_args->uuid, dev->uuid, sizeof(di_args->uuid)); if (dev->name) { - strncpy(di_args->path, dev->name, sizeof(di_args->path)); + struct rcu_string *name; + + rcu_read_lock(); + name = rcu_dereference(dev->name); + strncpy(di_args->path, name->str, sizeof(di_args->path)); + rcu_read_unlock(); di_args->path[sizeof(di_args->path) - 1] = 0; } else { di_args->path[0] = '\0'; @@ -3252,7 +3268,7 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg) if (fs_info->sb->s_flags & MS_RDONLY) return -EROFS; - ret = mnt_want_write(file->f_path.mnt); + ret = mnt_want_write_file(file); if (ret) return ret; @@ -3322,7 +3338,7 @@ out_bargs: out: mutex_unlock(&fs_info->balance_mutex); mutex_unlock(&fs_info->volume_mutex); - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); return ret; } diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h index 497c530724cf..e440aa653c30 100644 --- a/fs/btrfs/ioctl.h +++ b/fs/btrfs/ioctl.h @@ -339,7 +339,7 @@ struct btrfs_ioctl_get_dev_stats { #define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64) #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \ struct btrfs_ioctl_vol_args_v2) -#define BTRFS_IOC_SUBVOL_GETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 25, __u64) +#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64) #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64) #define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \ struct btrfs_ioctl_scrub_args) diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 9e138cdc36c5..643335a4fe3c 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -627,7 +627,27 @@ void btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len) /* start IO across the range first to instantiate any delalloc * extents */ - filemap_write_and_wait_range(inode->i_mapping, start, orig_end); + filemap_fdatawrite_range(inode->i_mapping, start, orig_end); + + /* + * So with compression we will find and lock a dirty page and clear the + * first one as dirty, setup an async extent, and immediately return + * with the entire range locked but with nobody actually marked with + * writeback. So we can't just filemap_write_and_wait_range() and + * expect it to work since it will just kick off a thread to do the + * actual work. So we need to call filemap_fdatawrite_range _again_ + * since it will wait on the page lock, which won't be unlocked until + * after the pages have been marked as writeback and so we're good to go + * from there. We have to do this otherwise we'll miss the ordered + * extents and that results in badness. Please Josef, do not think you + * know better and pull this out at some point in the future, it is + * right and you are wrong. + */ + if (test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT, + &BTRFS_I(inode)->runtime_flags)) + filemap_fdatawrite_range(inode->i_mapping, start, orig_end); + + filemap_fdatawait_range(inode->i_mapping, start, orig_end); end = orig_end; found = 0; diff --git a/fs/btrfs/rcu-string.h b/fs/btrfs/rcu-string.h new file mode 100644 index 000000000000..9e111e4576d4 --- /dev/null +++ b/fs/btrfs/rcu-string.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2012 Red Hat. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License v2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +struct rcu_string { + struct rcu_head rcu; + char str[0]; +}; + +static inline struct rcu_string *rcu_string_strdup(const char *src, gfp_t mask) +{ + size_t len = strlen(src) + 1; + struct rcu_string *ret = kzalloc(sizeof(struct rcu_string) + + (len * sizeof(char)), mask); + if (!ret) + return ret; + strncpy(ret->str, src, len); + return ret; +} + +static inline void rcu_string_free(struct rcu_string *str) +{ + if (str) + kfree_rcu(str, rcu); +} + +#define printk_in_rcu(fmt, ...) do { \ + rcu_read_lock(); \ + printk(fmt, __VA_ARGS__); \ + rcu_read_unlock(); \ +} while (0) + +#define printk_ratelimited_in_rcu(fmt, ...) do { \ + rcu_read_lock(); \ + printk_ratelimited(fmt, __VA_ARGS__); \ + rcu_read_unlock(); \ +} while (0) + +#define rcu_str_deref(rcu_str) ({ \ + struct rcu_string *__str = rcu_dereference(rcu_str); \ + __str->str; \ +}) diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index a38cfa4f251e..b223620cd5a6 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -26,6 +26,7 @@ #include "backref.h" #include "extent_io.h" #include "check-integrity.h" +#include "rcu-string.h" /* * This is only the first step towards a full-features scrub. It reads all @@ -320,10 +321,10 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, u64 root, void *ctx) * hold all of the paths here */ for (i = 0; i < ipath->fspath->elem_cnt; ++i) - printk(KERN_WARNING "btrfs: %s at logical %llu on dev " + printk_in_rcu(KERN_WARNING "btrfs: %s at logical %llu on dev " "%s, sector %llu, root %llu, inode %llu, offset %llu, " "length %llu, links %u (path: %s)\n", swarn->errstr, - swarn->logical, swarn->dev->name, + swarn->logical, rcu_str_deref(swarn->dev->name), (unsigned long long)swarn->sector, root, inum, offset, min(isize - offset, (u64)PAGE_SIZE), nlink, (char *)(unsigned long)ipath->fspath->val[i]); @@ -332,10 +333,10 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, u64 root, void *ctx) return 0; err: - printk(KERN_WARNING "btrfs: %s at logical %llu on dev " + printk_in_rcu(KERN_WARNING "btrfs: %s at logical %llu on dev " "%s, sector %llu, root %llu, inode %llu, offset %llu: path " "resolving failed with ret=%d\n", swarn->errstr, - swarn->logical, swarn->dev->name, + swarn->logical, rcu_str_deref(swarn->dev->name), (unsigned long long)swarn->sector, root, inum, offset, ret); free_ipath(ipath); @@ -390,10 +391,11 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock) do { ret = tree_backref_for_extent(&ptr, eb, ei, item_size, &ref_root, &ref_level); - printk(KERN_WARNING + printk_in_rcu(KERN_WARNING "btrfs: %s at logical %llu on dev %s, " "sector %llu: metadata %s (level %d) in tree " - "%llu\n", errstr, swarn.logical, dev->name, + "%llu\n", errstr, swarn.logical, + rcu_str_deref(dev->name), (unsigned long long)swarn.sector, ref_level ? "node" : "leaf", ret < 0 ? -1 : ref_level, @@ -580,9 +582,11 @@ out: spin_lock(&sdev->stat_lock); ++sdev->stat.uncorrectable_errors; spin_unlock(&sdev->stat_lock); - printk_ratelimited(KERN_ERR + + printk_ratelimited_in_rcu(KERN_ERR "btrfs: unable to fixup (nodatasum) error at logical %llu on dev %s\n", - (unsigned long long)fixup->logical, sdev->dev->name); + (unsigned long long)fixup->logical, + rcu_str_deref(sdev->dev->name)); } btrfs_free_path(path); @@ -936,18 +940,20 @@ corrected_error: spin_lock(&sdev->stat_lock); sdev->stat.corrected_errors++; spin_unlock(&sdev->stat_lock); - printk_ratelimited(KERN_ERR + printk_ratelimited_in_rcu(KERN_ERR "btrfs: fixed up error at logical %llu on dev %s\n", - (unsigned long long)logical, sdev->dev->name); + (unsigned long long)logical, + rcu_str_deref(sdev->dev->name)); } } else { did_not_correct_error: spin_lock(&sdev->stat_lock); sdev->stat.uncorrectable_errors++; spin_unlock(&sdev->stat_lock); - printk_ratelimited(KERN_ERR + printk_ratelimited_in_rcu(KERN_ERR "btrfs: unable to fixup (regular) error at logical %llu on dev %s\n", - (unsigned long long)logical, sdev->dev->name); + (unsigned long long)logical, + rcu_str_deref(sdev->dev->name)); } out: diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 96eb9fef7bd2..b19d75567728 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -54,6 +54,7 @@ #include "version.h" #include "export.h" #include "compression.h" +#include "rcu-string.h" #define CREATE_TRACE_POINTS #include <trace/events/btrfs.h> @@ -1067,7 +1068,8 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, } bdev = fs_devices->latest_bdev; - s = sget(fs_type, btrfs_test_super, btrfs_set_super, fs_info); + s = sget(fs_type, btrfs_test_super, btrfs_set_super, flags | MS_NOSEC, + fs_info); if (IS_ERR(s)) { error = PTR_ERR(s); goto error_close_devices; @@ -1081,7 +1083,6 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, } else { char b[BDEVNAME_SIZE]; - s->s_flags = flags | MS_NOSEC; strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id)); btrfs_sb(s)->bdev_holder = fs_type; error = btrfs_fill_super(s, fs_devices, data, @@ -1186,6 +1187,10 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) if (ret) goto restore; + ret = btrfs_resume_balance_async(fs_info); + if (ret) + goto restore; + sb->s_flags &= ~MS_RDONLY; } @@ -1482,12 +1487,44 @@ static void btrfs_fs_dirty_inode(struct inode *inode, int flags) "error %d\n", btrfs_ino(inode), ret); } +static int btrfs_show_devname(struct seq_file *m, struct dentry *root) +{ + struct btrfs_fs_info *fs_info = btrfs_sb(root->d_sb); + struct btrfs_fs_devices *cur_devices; + struct btrfs_device *dev, *first_dev = NULL; + struct list_head *head; + struct rcu_string *name; + + mutex_lock(&fs_info->fs_devices->device_list_mutex); + cur_devices = fs_info->fs_devices; + while (cur_devices) { + head = &cur_devices->devices; + list_for_each_entry(dev, head, dev_list) { + if (!first_dev || dev->devid < first_dev->devid) + first_dev = dev; + } + cur_devices = cur_devices->seed; + } + + if (first_dev) { + rcu_read_lock(); + name = rcu_dereference(first_dev->name); + seq_escape(m, name->str, " \t\n\\"); + rcu_read_unlock(); + } else { + WARN_ON(1); + } + mutex_unlock(&fs_info->fs_devices->device_list_mutex); + return 0; +} + static const struct super_operations btrfs_super_ops = { .drop_inode = btrfs_drop_inode, .evict_inode = btrfs_evict_inode, .put_super = btrfs_put_super, .sync_fs = btrfs_sync_fs, .show_options = btrfs_show_options, + .show_devname = btrfs_show_devname, .write_inode = btrfs_write_inode, .dirty_inode = btrfs_fs_dirty_inode, .alloc_inode = btrfs_alloc_inode, diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 1791c6e3d834..b72b068183ec 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -100,6 +100,10 @@ loop: kmem_cache_free(btrfs_transaction_cachep, cur_trans); cur_trans = fs_info->running_transaction; goto loop; + } else if (root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) { + spin_unlock(&root->fs_info->trans_lock); + kmem_cache_free(btrfs_transaction_cachep, cur_trans); + return -EROFS; } atomic_set(&cur_trans->num_writers, 1); @@ -1213,14 +1217,20 @@ int btrfs_commit_transaction_async(struct btrfs_trans_handle *trans, static void cleanup_transaction(struct btrfs_trans_handle *trans, - struct btrfs_root *root) + struct btrfs_root *root, int err) { struct btrfs_transaction *cur_trans = trans->transaction; WARN_ON(trans->use_count > 1); + btrfs_abort_transaction(trans, root, err); + spin_lock(&root->fs_info->trans_lock); list_del_init(&cur_trans->list); + if (cur_trans == root->fs_info->running_transaction) { + root->fs_info->running_transaction = NULL; + root->fs_info->trans_no_join = 0; + } spin_unlock(&root->fs_info->trans_lock); btrfs_cleanup_one_transaction(trans->transaction, root); @@ -1526,7 +1536,7 @@ cleanup_transaction: // WARN_ON(1); if (current->journal_info == trans) current->journal_info = NULL; - cleanup_transaction(trans, root); + cleanup_transaction(trans, root, ret); return ret; } diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 2017d0ff511c..8abeae4224f9 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -690,6 +690,8 @@ static noinline int drop_one_dir_item(struct btrfs_trans_handle *trans, kfree(name); iput(inode); + + btrfs_run_delayed_items(trans, root); return ret; } @@ -895,6 +897,7 @@ again: ret = btrfs_unlink_inode(trans, root, dir, inode, victim_name, victim_name_len); + btrfs_run_delayed_items(trans, root); } kfree(victim_name); ptr = (unsigned long)(victim_ref + 1) + victim_name_len; @@ -1475,6 +1478,9 @@ again: ret = btrfs_unlink_inode(trans, root, dir, inode, name, name_len); BUG_ON(ret); + + btrfs_run_delayed_items(trans, root); + kfree(name); iput(inode); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 7782020996fe..ecaad40e7ef4 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -35,6 +35,7 @@ #include "volumes.h" #include "async-thread.h" #include "check-integrity.h" +#include "rcu-string.h" static int init_first_rw_device(struct btrfs_trans_handle *trans, struct btrfs_root *root, @@ -64,7 +65,7 @@ static void free_fs_devices(struct btrfs_fs_devices *fs_devices) device = list_entry(fs_devices->devices.next, struct btrfs_device, dev_list); list_del(&device->dev_list); - kfree(device->name); + rcu_string_free(device->name); kfree(device); } kfree(fs_devices); @@ -334,8 +335,8 @@ static noinline int device_list_add(const char *path, { struct btrfs_device *device; struct btrfs_fs_devices *fs_devices; + struct rcu_string *name; u64 found_transid = btrfs_super_generation(disk_super); - char *name; fs_devices = find_fsid(disk_super->fsid); if (!fs_devices) { @@ -369,11 +370,13 @@ static noinline int device_list_add(const char *path, memcpy(device->uuid, disk_super->dev_item.uuid, BTRFS_UUID_SIZE); spin_lock_init(&device->io_lock); - device->name = kstrdup(path, GFP_NOFS); - if (!device->name) { + + name = rcu_string_strdup(path, GFP_NOFS); + if (!name) { kfree(device); return -ENOMEM; } + rcu_assign_pointer(device->name, name); INIT_LIST_HEAD(&device->dev_alloc_list); /* init readahead state */ @@ -390,12 +393,12 @@ static noinline int device_list_add(const char *path, device->fs_devices = fs_devices; fs_devices->num_devices++; - } else if (!device->name || strcmp(device->name, path)) { - name = kstrdup(path, GFP_NOFS); + } else if (!device->name || strcmp(device->name->str, path)) { + name = rcu_string_strdup(path, GFP_NOFS); if (!name) return -ENOMEM; - kfree(device->name); - device->name = name; + rcu_string_free(device->name); + rcu_assign_pointer(device->name, name); if (device->missing) { fs_devices->missing_devices--; device->missing = 0; @@ -430,15 +433,22 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig) /* We have held the volume lock, it is safe to get the devices. */ list_for_each_entry(orig_dev, &orig->devices, dev_list) { + struct rcu_string *name; + device = kzalloc(sizeof(*device), GFP_NOFS); if (!device) goto error; - device->name = kstrdup(orig_dev->name, GFP_NOFS); - if (!device->name) { + /* + * This is ok to do without rcu read locked because we hold the + * uuid mutex so nothing we touch in here is going to disappear. + */ + name = rcu_string_strdup(orig_dev->name->str, GFP_NOFS); + if (!name) { kfree(device); goto error; } + rcu_assign_pointer(device->name, name); device->devid = orig_dev->devid; device->work.func = pending_bios_fn; @@ -491,7 +501,7 @@ again: } list_del_init(&device->dev_list); fs_devices->num_devices--; - kfree(device->name); + rcu_string_free(device->name); kfree(device); } @@ -516,7 +526,7 @@ static void __free_device(struct work_struct *work) if (device->bdev) blkdev_put(device->bdev, device->mode); - kfree(device->name); + rcu_string_free(device->name); kfree(device); } @@ -540,6 +550,7 @@ static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices) mutex_lock(&fs_devices->device_list_mutex); list_for_each_entry(device, &fs_devices->devices, dev_list) { struct btrfs_device *new_device; + struct rcu_string *name; if (device->bdev) fs_devices->open_devices--; @@ -555,8 +566,11 @@ static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices) new_device = kmalloc(sizeof(*new_device), GFP_NOFS); BUG_ON(!new_device); /* -ENOMEM */ memcpy(new_device, device, sizeof(*new_device)); - new_device->name = kstrdup(device->name, GFP_NOFS); - BUG_ON(device->name && !new_device->name); /* -ENOMEM */ + + /* Safe because we are under uuid_mutex */ + name = rcu_string_strdup(device->name->str, GFP_NOFS); + BUG_ON(device->name && !name); /* -ENOMEM */ + rcu_assign_pointer(new_device->name, name); new_device->bdev = NULL; new_device->writeable = 0; new_device->in_fs_metadata = 0; @@ -621,9 +635,9 @@ static int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices, if (!device->name) continue; - bdev = blkdev_get_by_path(device->name, flags, holder); + bdev = blkdev_get_by_path(device->name->str, flags, holder); if (IS_ERR(bdev)) { - printk(KERN_INFO "open %s failed\n", device->name); + printk(KERN_INFO "open %s failed\n", device->name->str); goto error; } filemap_write_and_wait(bdev->bd_inode->i_mapping); @@ -1632,6 +1646,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) struct block_device *bdev; struct list_head *devices; struct super_block *sb = root->fs_info->sb; + struct rcu_string *name; u64 total_bytes; int seeding_dev = 0; int ret = 0; @@ -1671,23 +1686,24 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) goto error; } - device->name = kstrdup(device_path, GFP_NOFS); - if (!device->name) { + name = rcu_string_strdup(device_path, GFP_NOFS); + if (!name) { kfree(device); ret = -ENOMEM; goto error; } + rcu_assign_pointer(device->name, name); ret = find_next_devid(root, &device->devid); if (ret) { - kfree(device->name); + rcu_string_free(device->name); kfree(device); goto error; } trans = btrfs_start_transaction(root, 0); if (IS_ERR(trans)) { - kfree(device->name); + rcu_string_free(device->name); kfree(device); ret = PTR_ERR(trans); goto error; @@ -1796,7 +1812,7 @@ error_trans: unlock_chunks(root); btrfs_abort_transaction(trans, root, ret); btrfs_end_transaction(trans, root); - kfree(device->name); + rcu_string_free(device->name); kfree(device); error: blkdev_put(bdev, FMODE_EXCL); @@ -2829,31 +2845,48 @@ out: static int balance_kthread(void *data) { - struct btrfs_balance_control *bctl = - (struct btrfs_balance_control *)data; - struct btrfs_fs_info *fs_info = bctl->fs_info; + struct btrfs_fs_info *fs_info = data; int ret = 0; mutex_lock(&fs_info->volume_mutex); mutex_lock(&fs_info->balance_mutex); - set_balance_control(bctl); - - if (btrfs_test_opt(fs_info->tree_root, SKIP_BALANCE)) { - printk(KERN_INFO "btrfs: force skipping balance\n"); - } else { + if (fs_info->balance_ctl) { printk(KERN_INFO "btrfs: continuing balance\n"); - ret = btrfs_balance(bctl, NULL); + ret = btrfs_balance(fs_info->balance_ctl, NULL); } mutex_unlock(&fs_info->balance_mutex); mutex_unlock(&fs_info->volume_mutex); + return ret; } -int btrfs_recover_balance(struct btrfs_root *tree_root) +int btrfs_resume_balance_async(struct btrfs_fs_info *fs_info) { struct task_struct *tsk; + + spin_lock(&fs_info->balance_lock); + if (!fs_info->balance_ctl) { + spin_unlock(&fs_info->balance_lock); + return 0; + } + spin_unlock(&fs_info->balance_lock); + + if (btrfs_test_opt(fs_info->tree_root, SKIP_BALANCE)) { + printk(KERN_INFO "btrfs: force skipping balance\n"); + return 0; + } + + tsk = kthread_run(balance_kthread, fs_info, "btrfs-balance"); + if (IS_ERR(tsk)) + return PTR_ERR(tsk); + + return 0; +} + +int btrfs_recover_balance(struct btrfs_fs_info *fs_info) +{ struct btrfs_balance_control *bctl; struct btrfs_balance_item *item; struct btrfs_disk_balance_args disk_bargs; @@ -2866,29 +2899,30 @@ int btrfs_recover_balance(struct btrfs_root *tree_root) if (!path) return -ENOMEM; - bctl = kzalloc(sizeof(*bctl), GFP_NOFS); - if (!bctl) { - ret = -ENOMEM; - goto out; - } - key.objectid = BTRFS_BALANCE_OBJECTID; key.type = BTRFS_BALANCE_ITEM_KEY; key.offset = 0; - ret = btrfs_search_slot(NULL, tree_root, &key, path, 0, 0); + ret = btrfs_search_slot(NULL, fs_info->tree_root, &key, path, 0, 0); if (ret < 0) - goto out_bctl; + goto out; if (ret > 0) { /* ret = -ENOENT; */ ret = 0; - goto out_bctl; + goto out; + } + + bctl = kzalloc(sizeof(*bctl), GFP_NOFS); + if (!bctl) { + ret = -ENOMEM; + goto out; } leaf = path->nodes[0]; item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_balance_item); - bctl->fs_info = tree_root->fs_info; - bctl->flags = btrfs_balance_flags(leaf, item) | BTRFS_BALANCE_RESUME; + bctl->fs_info = fs_info; + bctl->flags = btrfs_balance_flags(leaf, item); + bctl->flags |= BTRFS_BALANCE_RESUME; btrfs_balance_data(leaf, item, &disk_bargs); btrfs_disk_balance_args_to_cpu(&bctl->data, &disk_bargs); @@ -2897,14 +2931,13 @@ int btrfs_recover_balance(struct btrfs_root *tree_root) btrfs_balance_sys(leaf, item, &disk_bargs); btrfs_disk_balance_args_to_cpu(&bctl->sys, &disk_bargs); - tsk = kthread_run(balance_kthread, bctl, "btrfs-balance"); - if (IS_ERR(tsk)) - ret = PTR_ERR(tsk); - else - goto out; + mutex_lock(&fs_info->volume_mutex); + mutex_lock(&fs_info->balance_mutex); -out_bctl: - kfree(bctl); + set_balance_control(bctl); + + mutex_unlock(&fs_info->balance_mutex); + mutex_unlock(&fs_info->volume_mutex); out: btrfs_free_path(path); return ret; @@ -4045,16 +4078,18 @@ static void btrfs_end_bio(struct bio *bio, int err) BUG_ON(stripe_index >= bbio->num_stripes); dev = bbio->stripes[stripe_index].dev; - if (bio->bi_rw & WRITE) - btrfs_dev_stat_inc(dev, - BTRFS_DEV_STAT_WRITE_ERRS); - else - btrfs_dev_stat_inc(dev, - BTRFS_DEV_STAT_READ_ERRS); - if ((bio->bi_rw & WRITE_FLUSH) == WRITE_FLUSH) - btrfs_dev_stat_inc(dev, - BTRFS_DEV_STAT_FLUSH_ERRS); - btrfs_dev_stat_print_on_error(dev); + if (dev->bdev) { + if (bio->bi_rw & WRITE) + btrfs_dev_stat_inc(dev, + BTRFS_DEV_STAT_WRITE_ERRS); + else + btrfs_dev_stat_inc(dev, + BTRFS_DEV_STAT_READ_ERRS); + if ((bio->bi_rw & WRITE_FLUSH) == WRITE_FLUSH) + btrfs_dev_stat_inc(dev, + BTRFS_DEV_STAT_FLUSH_ERRS); + btrfs_dev_stat_print_on_error(dev); + } } } @@ -4204,10 +4239,17 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, bio->bi_sector = bbio->stripes[dev_nr].physical >> 9; dev = bbio->stripes[dev_nr].dev; if (dev && dev->bdev && (rw != WRITE || dev->writeable)) { +#ifdef DEBUG + struct rcu_string *name; + + rcu_read_lock(); + name = rcu_dereference(dev->name); pr_debug("btrfs_map_bio: rw %d, secor=%llu, dev=%lu " "(%s id %llu), size=%u\n", rw, (u64)bio->bi_sector, (u_long)dev->bdev->bd_dev, - dev->name, dev->devid, bio->bi_size); + name->str, dev->devid, bio->bi_size); + rcu_read_unlock(); +#endif bio->bi_bdev = dev->bdev; if (async_submit) schedule_bio(root, dev, rw, bio); @@ -4694,8 +4736,9 @@ int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info) key.offset = device->devid; ret = btrfs_search_slot(NULL, dev_root, &key, path, 0, 0); if (ret) { - printk(KERN_WARNING "btrfs: no dev_stats entry found for device %s (devid %llu) (OK on first mount after mkfs)\n", - device->name, (unsigned long long)device->devid); + printk_in_rcu(KERN_WARNING "btrfs: no dev_stats entry found for device %s (devid %llu) (OK on first mount after mkfs)\n", + rcu_str_deref(device->name), + (unsigned long long)device->devid); __btrfs_reset_dev_stats(device); device->dev_stats_valid = 1; btrfs_release_path(path); @@ -4747,8 +4790,8 @@ static int update_dev_stat_item(struct btrfs_trans_handle *trans, BUG_ON(!path); ret = btrfs_search_slot(trans, dev_root, &key, path, -1, 1); if (ret < 0) { - printk(KERN_WARNING "btrfs: error %d while searching for dev_stats item for device %s!\n", - ret, device->name); + printk_in_rcu(KERN_WARNING "btrfs: error %d while searching for dev_stats item for device %s!\n", + ret, rcu_str_deref(device->name)); goto out; } @@ -4757,8 +4800,8 @@ static int update_dev_stat_item(struct btrfs_trans_handle *trans, /* need to delete old one and insert a new one */ ret = btrfs_del_item(trans, dev_root, path); if (ret != 0) { - printk(KERN_WARNING "btrfs: delete too small dev_stats item for device %s failed %d!\n", - device->name, ret); + printk_in_rcu(KERN_WARNING "btrfs: delete too small dev_stats item for device %s failed %d!\n", + rcu_str_deref(device->name), ret); goto out; } ret = 1; @@ -4770,8 +4813,8 @@ static int update_dev_stat_item(struct btrfs_trans_handle *trans, ret = btrfs_insert_empty_item(trans, dev_root, path, &key, sizeof(*ptr)); if (ret < 0) { - printk(KERN_WARNING "btrfs: insert dev_stats item for device %s failed %d!\n", - device->name, ret); + printk_in_rcu(KERN_WARNING "btrfs: insert dev_stats item for device %s failed %d!\n", + rcu_str_deref(device->name), ret); goto out; } } @@ -4823,9 +4866,9 @@ void btrfs_dev_stat_print_on_error(struct btrfs_device *dev) { if (!dev->dev_stats_valid) return; - printk_ratelimited(KERN_ERR + printk_ratelimited_in_rcu(KERN_ERR "btrfs: bdev %s errs: wr %u, rd %u, flush %u, corrupt %u, gen %u\n", - dev->name, + rcu_str_deref(dev->name), btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_WRITE_ERRS), btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_READ_ERRS), btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_FLUSH_ERRS), @@ -4837,8 +4880,8 @@ void btrfs_dev_stat_print_on_error(struct btrfs_device *dev) static void btrfs_dev_stat_print_on_load(struct btrfs_device *dev) { - printk(KERN_INFO "btrfs: bdev %s errs: wr %u, rd %u, flush %u, corrupt %u, gen %u\n", - dev->name, + printk_in_rcu(KERN_INFO "btrfs: bdev %s errs: wr %u, rd %u, flush %u, corrupt %u, gen %u\n", + rcu_str_deref(dev->name), btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_WRITE_ERRS), btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_READ_ERRS), btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_FLUSH_ERRS), diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 3406a88ca83e..95f6637614db 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -58,7 +58,7 @@ struct btrfs_device { /* the mode sent to blkdev_get */ fmode_t mode; - char *name; + struct rcu_string *name; /* the internal btrfs device id */ u64 devid; @@ -281,7 +281,8 @@ int btrfs_shrink_device(struct btrfs_device *device, u64 new_size); int btrfs_init_new_device(struct btrfs_root *root, char *path); int btrfs_balance(struct btrfs_balance_control *bctl, struct btrfs_ioctl_balance_args *bargs); -int btrfs_recover_balance(struct btrfs_root *tree_root); +int btrfs_resume_balance_async(struct btrfs_fs_info *fs_info); +int btrfs_recover_balance(struct btrfs_fs_info *fs_info); int btrfs_pause_balance(struct btrfs_fs_info *fs_info); int btrfs_cancel_balance(struct btrfs_fs_info *fs_info); int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset); diff --git a/fs/buffer.c b/fs/buffer.c index 838a9cf246bd..c7062c896d7c 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1036,6 +1036,9 @@ grow_buffers(struct block_device *bdev, sector_t block, int size) static struct buffer_head * __getblk_slow(struct block_device *bdev, sector_t block, int size) { + int ret; + struct buffer_head *bh; + /* Size must be multiple of hard sectorsize */ if (unlikely(size & (bdev_logical_block_size(bdev)-1) || (size < 512 || size > PAGE_SIZE))) { @@ -1048,20 +1051,21 @@ __getblk_slow(struct block_device *bdev, sector_t block, int size) return NULL; } - for (;;) { - struct buffer_head * bh; - int ret; +retry: + bh = __find_get_block(bdev, block, size); + if (bh) + return bh; + ret = grow_buffers(bdev, block, size); + if (ret == 0) { + free_more_memory(); + goto retry; + } else if (ret > 0) { bh = __find_get_block(bdev, block, size); if (bh) return bh; - - ret = grow_buffers(bdev, block, size); - if (ret < 0) - return NULL; - if (ret == 0) - free_more_memory(); } + return NULL; } /* diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c index 7f0771d3894e..b0b5f7cdfffa 100644 --- a/fs/cachefiles/namei.c +++ b/fs/cachefiles/namei.c @@ -567,7 +567,7 @@ lookup_again: if (ret < 0) goto create_error; start = jiffies; - ret = vfs_create(dir->d_inode, next, S_IFREG, NULL); + ret = vfs_create(dir->d_inode, next, S_IFREG, true); cachefiles_hist(cachefiles_create_histogram, start); if (ret < 0) goto create_error; diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c index 0e3c0924cc3a..c0353dfac51f 100644 --- a/fs/cachefiles/rdwr.c +++ b/fs/cachefiles/rdwr.c @@ -891,6 +891,7 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page) struct cachefiles_cache *cache; mm_segment_t old_fs; struct file *file; + struct path path; loff_t pos, eof; size_t len; void *data; @@ -916,10 +917,9 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page) /* write the page to the backing filesystem and let it store it in its * own time */ - dget(object->backer); - mntget(cache->mnt); - file = dentry_open(object->backer, cache->mnt, O_RDWR, - cache->cache_cred); + path.mnt = cache->mnt; + path.dentry = object->backer; + file = dentry_open(&path, O_RDWR, cache->cache_cred); if (IS_ERR(file)) { ret = PTR_ERR(file); } else { diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 173b1d22e59b..8b67304e4b80 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -54,7 +54,12 @@ (CONGESTION_ON_THRESH(congestion_kb) - \ (CONGESTION_ON_THRESH(congestion_kb) >> 2)) - +static inline struct ceph_snap_context *page_snap_context(struct page *page) +{ + if (PagePrivate(page)) + return (void *)page->private; + return NULL; +} /* * Dirty a page. Optimistically adjust accounting, on the assumption @@ -142,10 +147,9 @@ static void ceph_invalidatepage(struct page *page, unsigned long offset) { struct inode *inode; struct ceph_inode_info *ci; - struct ceph_snap_context *snapc = (void *)page->private; + struct ceph_snap_context *snapc = page_snap_context(page); BUG_ON(!PageLocked(page)); - BUG_ON(!page->private); BUG_ON(!PagePrivate(page)); BUG_ON(!page->mapping); @@ -182,7 +186,6 @@ static int ceph_releasepage(struct page *page, gfp_t g) struct inode *inode = page->mapping ? page->mapping->host : NULL; dout("%p releasepage %p idx %lu\n", inode, page, page->index); WARN_ON(PageDirty(page)); - WARN_ON(page->private); WARN_ON(PagePrivate(page)); return 0; } @@ -443,7 +446,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) osdc = &fsc->client->osdc; /* verify this is a writeable snap context */ - snapc = (void *)page->private; + snapc = page_snap_context(page); if (snapc == NULL) { dout("writepage %p page %p not dirty?\n", inode, page); goto out; @@ -451,7 +454,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) oldest = get_oldest_context(inode, &snap_size); if (snapc->seq > oldest->seq) { dout("writepage %p page %p snapc %p not writeable - noop\n", - inode, page, (void *)page->private); + inode, page, snapc); /* we should only noop if called by kswapd */ WARN_ON((current->flags & PF_MEMALLOC) == 0); ceph_put_snap_context(oldest); @@ -591,7 +594,7 @@ static void writepages_finish(struct ceph_osd_request *req, clear_bdi_congested(&fsc->backing_dev_info, BLK_RW_ASYNC); - ceph_put_snap_context((void *)page->private); + ceph_put_snap_context(page_snap_context(page)); page->private = 0; ClearPagePrivate(page); dout("unlocking %d %p\n", i, page); @@ -795,7 +798,7 @@ get_more_pages: } /* only if matching snap context */ - pgsnapc = (void *)page->private; + pgsnapc = page_snap_context(page); if (pgsnapc->seq > snapc->seq) { dout("page snapc %p %lld > oldest %p %lld\n", pgsnapc, pgsnapc->seq, snapc, snapc->seq); @@ -984,7 +987,7 @@ retry_locked: BUG_ON(!ci->i_snap_realm); down_read(&mdsc->snap_rwsem); BUG_ON(!ci->i_snap_realm->cached_context); - snapc = (void *)page->private; + snapc = page_snap_context(page); if (snapc && snapc != ci->i_head_snapc) { /* * this page is already dirty in another (older) snap diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 3e8094be4604..00894ff9246c 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -576,7 +576,7 @@ static int is_root_ceph_dentry(struct inode *inode, struct dentry *dentry) * the MDS so that it gets our 'caps wanted' value in a single op. */ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb); struct ceph_mds_client *mdsc = fsc->mdsc; @@ -594,14 +594,6 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, if (err < 0) return ERR_PTR(err); - /* open (but not create!) intent? */ - if (nd && - (nd->flags & LOOKUP_OPEN) && - !(nd->intent.open.flags & O_CREAT)) { - int mode = nd->intent.open.create_mode & ~current->fs->umask; - return ceph_lookup_open(dir, dentry, nd, mode, 1); - } - /* can we conclude ENOENT locally? */ if (dentry->d_inode == NULL) { struct ceph_inode_info *ci = ceph_inode(dir); @@ -642,13 +634,51 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, return dentry; } +int ceph_atomic_open(struct inode *dir, struct dentry *dentry, + struct file *file, unsigned flags, umode_t mode, + int *opened) +{ + int err; + struct dentry *res = NULL; + + if (!(flags & O_CREAT)) { + if (dentry->d_name.len > NAME_MAX) + return -ENAMETOOLONG; + + err = ceph_init_dentry(dentry); + if (err < 0) + return err; + + return ceph_lookup_open(dir, dentry, file, flags, mode, opened); + } + + if (d_unhashed(dentry)) { + res = ceph_lookup(dir, dentry, 0); + if (IS_ERR(res)) + return PTR_ERR(res); + + if (res) + dentry = res; + } + + /* We don't deal with positive dentries here */ + if (dentry->d_inode) + return finish_no_open(file, res); + + *opened |= FILE_CREATED; + err = ceph_lookup_open(dir, dentry, file, flags, mode, opened); + dput(res); + + return err; +} + /* * If we do a create but get no trace back from the MDS, follow up with * a lookup (the VFS expects us to link up the provided dentry). */ int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry) { - struct dentry *result = ceph_lookup(dir, dentry, NULL); + struct dentry *result = ceph_lookup(dir, dentry, 0); if (result && !IS_ERR(result)) { /* @@ -700,25 +730,9 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry, } static int ceph_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { - dout("create in dir %p dentry %p name '%.*s'\n", - dir, dentry, dentry->d_name.len, dentry->d_name.name); - - if (ceph_snap(dir) != CEPH_NOSNAP) - return -EROFS; - - if (nd) { - BUG_ON((nd->flags & LOOKUP_OPEN) == 0); - dentry = ceph_lookup_open(dir, dentry, nd, mode, 0); - /* hrm, what should i do here if we get aliased? */ - if (IS_ERR(dentry)) - return PTR_ERR(dentry); - return 0; - } - - /* fall back to mknod */ - return ceph_mknod(dir, dentry, (mode & ~S_IFMT) | S_IFREG, 0); + return ceph_mknod(dir, dentry, mode, 0); } static int ceph_symlink(struct inode *dir, struct dentry *dentry, @@ -1028,12 +1042,12 @@ static int dir_lease_is_valid(struct inode *dir, struct dentry *dentry) /* * Check if cached dentry can be trusted. */ -static int ceph_d_revalidate(struct dentry *dentry, struct nameidata *nd) +static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags) { int valid = 0; struct inode *dir; - if (nd && nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; dout("d_revalidate %p '%.*s' inode %p offset %lld\n", dentry, @@ -1080,7 +1094,7 @@ static void ceph_d_release(struct dentry *dentry) } static int ceph_snapdir_d_revalidate(struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { /* * Eventually, we'll want to revalidate snapped metadata @@ -1357,6 +1371,7 @@ const struct inode_operations ceph_dir_iops = { .rmdir = ceph_unlink, .rename = ceph_rename, .create = ceph_create, + .atomic_open = ceph_atomic_open, }; const struct dentry_operations ceph_dentry_ops = { diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 988d4f302e48..1b81d6c31878 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -213,22 +213,15 @@ out: * may_open() fails, the struct *file gets cleaned up (i.e. * ceph_release gets called). So fear not! */ -/* - * flags - * path_lookup_open -> LOOKUP_OPEN - * path_lookup_create -> LOOKUP_OPEN|LOOKUP_CREATE - */ -struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry, - struct nameidata *nd, int mode, - int locked_dir) +int ceph_lookup_open(struct inode *dir, struct dentry *dentry, + struct file *file, unsigned flags, umode_t mode, + int *opened) { struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb); struct ceph_mds_client *mdsc = fsc->mdsc; - struct file *file; struct ceph_mds_request *req; struct dentry *ret; int err; - int flags = nd->intent.open.flags; dout("ceph_lookup_open dentry %p '%.*s' flags %d mode 0%o\n", dentry, dentry->d_name.len, dentry->d_name.name, flags, mode); @@ -236,7 +229,7 @@ struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry, /* do the open */ req = prepare_open_request(dir->i_sb, flags, mode); if (IS_ERR(req)) - return ERR_CAST(req); + return PTR_ERR(req); req->r_dentry = dget(dentry); req->r_num_caps = 2; if (flags & O_CREAT) { @@ -254,14 +247,17 @@ struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry, err = ceph_handle_notrace_create(dir, dentry); if (err) goto out; - file = lookup_instantiate_filp(nd, req->r_dentry, ceph_open); - if (IS_ERR(file)) - err = PTR_ERR(file); + err = finish_open(file, req->r_dentry, ceph_open, opened); out: ret = ceph_finish_lookup(req, dentry, err); ceph_mdsc_put_request(req); dout("ceph_lookup_open result=%p\n", ret); - return ret; + + if (IS_ERR(ret)) + return PTR_ERR(ret); + + dput(ret); + return err; } int ceph_release(struct inode *inode, struct file *file) diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 1e67dd7305a4..7076109f014d 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -871,7 +871,7 @@ static struct dentry *ceph_mount(struct file_system_type *fs_type, if (ceph_test_opt(fsc->client, NOSHARE)) compare_super = NULL; - sb = sget(fs_type, compare_super, ceph_set_super, fsc); + sb = sget(fs_type, compare_super, ceph_set_super, flags, fsc); if (IS_ERR(sb)) { res = ERR_CAST(sb); goto out; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index fc35036d258d..f4d5522cb619 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -806,9 +806,9 @@ extern int ceph_copy_from_page_vector(struct page **pages, loff_t off, size_t len); extern struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags); extern int ceph_open(struct inode *inode, struct file *file); -extern struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry, - struct nameidata *nd, int mode, - int locked_dir); +extern int ceph_lookup_open(struct inode *dir, struct dentry *dentry, + struct file *od, unsigned flags, + umode_t mode, int *opened); extern int ceph_release(struct inode *inode, struct file *filp); /* dir.c */ diff --git a/fs/cifs/Makefile b/fs/cifs/Makefile index 4b4127544349..feee94309271 100644 --- a/fs/cifs/Makefile +++ b/fs/cifs/Makefile @@ -16,4 +16,5 @@ cifs-$(CONFIG_CIFS_DFS_UPCALL) += dns_resolve.o cifs_dfs_ref.o cifs-$(CONFIG_CIFS_FSCACHE) += fscache.o cache.o -cifs-$(CONFIG_CIFS_SMB2) += smb2ops.o +cifs-$(CONFIG_CIFS_SMB2) += smb2ops.o smb2maperror.o smb2transport.o \ + smb2misc.o smb2pdu.o smb2inode.o diff --git a/fs/cifs/cache.c b/fs/cifs/cache.c index 545509c3313b..282d6de7e410 100644 --- a/fs/cifs/cache.c +++ b/fs/cifs/cache.c @@ -152,7 +152,7 @@ static uint16_t cifs_super_get_key(const void *cookie_netfs_data, void *buffer, sharename = extract_sharename(tcon->treeName); if (IS_ERR(sharename)) { - cFYI(1, "%s: couldn't extract sharename\n", __func__); + cFYI(1, "%s: couldn't extract sharename", __func__); sharename = NULL; return 0; } diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index e8140528ca5c..d9ea6ede6a7a 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -65,7 +65,7 @@ void cifs_dump_detail(void *buf) cERROR(1, "Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d", smb->Command, smb->Status.CifsError, smb->Flags, smb->Flags2, smb->Mid, smb->Pid); - cERROR(1, "smb buf %p len %d", smb, smbCalcSize(smb)); + cERROR(1, "smb buf %p len %u", smb, smbCalcSize(smb)); #endif /* CONFIG_CIFS_DEBUG2 */ } @@ -282,24 +282,8 @@ static ssize_t cifs_stats_proc_write(struct file *file, struct cifs_tcon, tcon_list); atomic_set(&tcon->num_smbs_sent, 0); - atomic_set(&tcon->num_writes, 0); - atomic_set(&tcon->num_reads, 0); - atomic_set(&tcon->num_oplock_brks, 0); - atomic_set(&tcon->num_opens, 0); - atomic_set(&tcon->num_posixopens, 0); - atomic_set(&tcon->num_posixmkdirs, 0); - atomic_set(&tcon->num_closes, 0); - atomic_set(&tcon->num_deletes, 0); - atomic_set(&tcon->num_mkdirs, 0); - atomic_set(&tcon->num_rmdirs, 0); - atomic_set(&tcon->num_renames, 0); - atomic_set(&tcon->num_t2renames, 0); - atomic_set(&tcon->num_ffirst, 0); - atomic_set(&tcon->num_fnext, 0); - atomic_set(&tcon->num_fclose, 0); - atomic_set(&tcon->num_hardlinks, 0); - atomic_set(&tcon->num_symlinks, 0); - atomic_set(&tcon->num_locks, 0); + if (server->ops->clear_stats) + server->ops->clear_stats(tcon); } } } @@ -358,42 +342,10 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v) seq_printf(m, "\n%d) %s", i, tcon->treeName); if (tcon->need_reconnect) seq_puts(m, "\tDISCONNECTED "); - seq_printf(m, "\nSMBs: %d Oplock Breaks: %d", - atomic_read(&tcon->num_smbs_sent), - atomic_read(&tcon->num_oplock_brks)); - seq_printf(m, "\nReads: %d Bytes: %lld", - atomic_read(&tcon->num_reads), - (long long)(tcon->bytes_read)); - seq_printf(m, "\nWrites: %d Bytes: %lld", - atomic_read(&tcon->num_writes), - (long long)(tcon->bytes_written)); - seq_printf(m, "\nFlushes: %d", - atomic_read(&tcon->num_flushes)); - seq_printf(m, "\nLocks: %d HardLinks: %d " - "Symlinks: %d", - atomic_read(&tcon->num_locks), - atomic_read(&tcon->num_hardlinks), - atomic_read(&tcon->num_symlinks)); - seq_printf(m, "\nOpens: %d Closes: %d " - "Deletes: %d", - atomic_read(&tcon->num_opens), - atomic_read(&tcon->num_closes), - atomic_read(&tcon->num_deletes)); - seq_printf(m, "\nPosix Opens: %d " - "Posix Mkdirs: %d", - atomic_read(&tcon->num_posixopens), - atomic_read(&tcon->num_posixmkdirs)); - seq_printf(m, "\nMkdirs: %d Rmdirs: %d", - atomic_read(&tcon->num_mkdirs), - atomic_read(&tcon->num_rmdirs)); - seq_printf(m, "\nRenames: %d T2 Renames %d", - atomic_read(&tcon->num_renames), - atomic_read(&tcon->num_t2renames)); - seq_printf(m, "\nFindFirst: %d FNext %d " - "FClose %d", - atomic_read(&tcon->num_ffirst), - atomic_read(&tcon->num_fnext), - atomic_read(&tcon->num_fclose)); + seq_printf(m, "\nSMBs: %d", + atomic_read(&tcon->num_smbs_sent)); + if (server->ops->print_stats) + server->ops->print_stats(m, tcon); } } } diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index 6873bb634a97..ce5cbd717bfc 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c @@ -275,7 +275,8 @@ static struct vfsmount *cifs_dfs_do_automount(struct dentry *mntpt) struct cifs_sb_info *cifs_sb; struct cifs_ses *ses; char *full_path; - int xid, i; + unsigned int xid; + int i; int rc; struct vfsmount *mnt; struct tcon_link *tlink; @@ -302,11 +303,11 @@ static struct vfsmount *cifs_dfs_do_automount(struct dentry *mntpt) } ses = tlink_tcon(tlink)->ses; - xid = GetXid(); + xid = get_xid(); rc = get_dfs_path(xid, ses, full_path + 1, cifs_sb->local_nls, &num_referrals, &referrals, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c index fbb9da951843..7dab9c04ad52 100644 --- a/fs/cifs/cifs_unicode.c +++ b/fs/cifs/cifs_unicode.c @@ -331,3 +331,63 @@ ctoUTF16_out: return i; } +#ifdef CONFIG_CIFS_SMB2 +/* + * cifs_local_to_utf16_bytes - how long will a string be after conversion? + * @from - pointer to input string + * @maxbytes - don't go past this many bytes of input string + * @codepage - source codepage + * + * Walk a string and return the number of bytes that the string will + * be after being converted to the given charset, not including any null + * termination required. Don't walk past maxbytes in the source buffer. + */ + +static int +cifs_local_to_utf16_bytes(const char *from, int len, + const struct nls_table *codepage) +{ + int charlen; + int i; + wchar_t wchar_to; + + for (i = 0; len && *from; i++, from += charlen, len -= charlen) { + charlen = codepage->char2uni(from, len, &wchar_to); + /* Failed conversion defaults to a question mark */ + if (charlen < 1) + charlen = 1; + } + return 2 * i; /* UTF16 characters are two bytes */ +} + +/* + * cifs_strndup_to_utf16 - copy a string to wire format from the local codepage + * @src - source string + * @maxlen - don't walk past this many bytes in the source string + * @utf16_len - the length of the allocated string in bytes (including null) + * @cp - source codepage + * @remap - map special chars + * + * Take a string convert it from the local codepage to UTF16 and + * put it in a new buffer. Returns a pointer to the new string or NULL on + * error. + */ +__le16 * +cifs_strndup_to_utf16(const char *src, const int maxlen, int *utf16_len, + const struct nls_table *cp, int remap) +{ + int len; + __le16 *dst; + + len = cifs_local_to_utf16_bytes(src, maxlen, cp); + len += 2; /* NULL */ + dst = kmalloc(len, GFP_KERNEL); + if (!dst) { + *utf16_len = 0; + return NULL; + } + cifsConvertToUTF16(dst, src, strlen(src), cp, remap); + *utf16_len = len; + return dst; +} +#endif /* CONFIG_CIFS_SMB2 */ diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h index a513a546700b..4fb097468e21 100644 --- a/fs/cifs/cifs_unicode.h +++ b/fs/cifs/cifs_unicode.h @@ -84,7 +84,11 @@ char *cifs_strndup_from_utf16(const char *src, const int maxlen, const struct nls_table *codepage); extern int cifsConvertToUTF16(__le16 *target, const char *source, int maxlen, const struct nls_table *cp, int mapChars); - +#ifdef CONFIG_CIFS_SMB2 +extern __le16 *cifs_strndup_to_utf16(const char *src, const int maxlen, + int *utf16_len, const struct nls_table *cp, + int remap); +#endif /* CONFIG_CIFS_SMB2 */ #endif /* diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index 3cc1b251ca08..05f4dc263a23 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c @@ -525,7 +525,7 @@ init_cifs_idmap(void) struct key *keyring; int ret; - cFYI(1, "Registering the %s key type\n", cifs_idmap_key_type.name); + cFYI(1, "Registering the %s key type", cifs_idmap_key_type.name); /* create an override credential set with a special thread keyring in * which requests are cached @@ -572,7 +572,7 @@ init_cifs_idmap(void) sidgidtree = RB_ROOT; register_shrinker(&cifs_shrinker); - cFYI(1, "cifs idmap keyring: %d\n", key_serial(keyring)); + cFYI(1, "cifs idmap keyring: %d", key_serial(keyring)); return 0; failed_put_key: @@ -589,7 +589,7 @@ exit_cifs_idmap(void) unregister_key_type(&cifs_idmap_key_type); put_cred(root_cred); unregister_shrinker(&cifs_shrinker); - cFYI(1, "Unregistered %s key type\n", cifs_idmap_key_type.name); + cFYI(1, "Unregistered %s key type", cifs_idmap_key_type.name); } void @@ -1153,15 +1153,16 @@ static struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb, __u16 fid, u32 *pacllen) { struct cifs_ntsd *pntsd = NULL; - int xid, rc; + unsigned int xid; + int rc; struct tcon_link *tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) return ERR_CAST(tlink); - xid = GetXid(); + xid = get_xid(); rc = CIFSSMBGetCIFSACL(xid, tlink_tcon(tlink), fid, &pntsd, pacllen); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); @@ -1176,7 +1177,8 @@ static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, { struct cifs_ntsd *pntsd = NULL; int oplock = 0; - int xid, rc, create_options = 0; + unsigned int xid; + int rc, create_options = 0; __u16 fid; struct cifs_tcon *tcon; struct tcon_link *tlink = cifs_sb_tlink(cifs_sb); @@ -1185,7 +1187,7 @@ static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, return ERR_CAST(tlink); tcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); if (backup_cred(cifs_sb)) create_options |= CREATE_OPEN_BACKUP_INTENT; @@ -1199,7 +1201,7 @@ static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, } cifs_put_tlink(tlink); - FreeXid(xid); + free_xid(xid); cFYI(1, "%s: rc = %d ACL len %d", __func__, rc, *pacllen); if (rc) @@ -1230,7 +1232,8 @@ int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen, struct inode *inode, const char *path, int aclflag) { int oplock = 0; - int xid, rc, access_flags, create_options = 0; + unsigned int xid; + int rc, access_flags, create_options = 0; __u16 fid; struct cifs_tcon *tcon; struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); @@ -1240,7 +1243,7 @@ int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen, return PTR_ERR(tlink); tcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); if (backup_cred(cifs_sb)) create_options |= CREATE_OPEN_BACKUP_INTENT; @@ -1263,7 +1266,7 @@ int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen, CIFSSMBClose(xid, tcon, fid); out: - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); return rc; } diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index 63c460e503b6..6a0d741159f0 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -47,20 +47,20 @@ static int cifs_calc_signature(const struct kvec *iov, int n_vec, return -EINVAL; if (!server->secmech.sdescmd5) { - cERROR(1, "%s: Can't generate signature\n", __func__); + cERROR(1, "%s: Can't generate signature", __func__); return -1; } rc = crypto_shash_init(&server->secmech.sdescmd5->shash); if (rc) { - cERROR(1, "%s: Could not init md5\n", __func__); + cERROR(1, "%s: Could not init md5", __func__); return rc; } rc = crypto_shash_update(&server->secmech.sdescmd5->shash, server->session_key.response, server->session_key.len); if (rc) { - cERROR(1, "%s: Could not update with response\n", __func__); + cERROR(1, "%s: Could not update with response", __func__); return rc; } @@ -85,7 +85,7 @@ static int cifs_calc_signature(const struct kvec *iov, int n_vec, iov[i].iov_base, iov[i].iov_len); } if (rc) { - cERROR(1, "%s: Could not update with payload\n", + cERROR(1, "%s: Could not update with payload", __func__); return rc; } @@ -93,13 +93,13 @@ static int cifs_calc_signature(const struct kvec *iov, int n_vec, rc = crypto_shash_final(&server->secmech.sdescmd5->shash, signature); if (rc) - cERROR(1, "%s: Could not generate md5 hash\n", __func__); + cERROR(1, "%s: Could not generate md5 hash", __func__); return rc; } /* must be called with server->srv_mutex held */ -int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *server, +int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *server, __u32 *pexpected_response_sequence_number) { int rc = 0; @@ -143,7 +143,7 @@ int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server, iov.iov_base = cifs_pdu; iov.iov_len = be32_to_cpu(cifs_pdu->smb_buf_length) + 4; - return cifs_sign_smb2(&iov, 1, server, + return cifs_sign_smbv(&iov, 1, server, pexpected_response_sequence_number); } @@ -399,7 +399,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash, wchar_t *server; if (!ses->server->secmech.sdeschmacmd5) { - cERROR(1, "calc_ntlmv2_hash: can't generate ntlmv2 hash\n"); + cERROR(1, "calc_ntlmv2_hash: can't generate ntlmv2 hash"); return -1; } @@ -415,7 +415,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash, rc = crypto_shash_init(&ses->server->secmech.sdeschmacmd5->shash); if (rc) { - cERROR(1, "calc_ntlmv2_hash: could not init hmacmd5\n"); + cERROR(1, "calc_ntlmv2_hash: could not init hmacmd5"); return rc; } @@ -423,7 +423,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash, len = ses->user_name ? strlen(ses->user_name) : 0; user = kmalloc(2 + (len * 2), GFP_KERNEL); if (user == NULL) { - cERROR(1, "calc_ntlmv2_hash: user mem alloc failure\n"); + cERROR(1, "calc_ntlmv2_hash: user mem alloc failure"); rc = -ENOMEM; return rc; } @@ -439,7 +439,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash, (char *)user, 2 * len); kfree(user); if (rc) { - cERROR(1, "%s: Could not update with user\n", __func__); + cERROR(1, "%s: Could not update with user", __func__); return rc; } @@ -460,7 +460,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash, (char *)domain, 2 * len); kfree(domain); if (rc) { - cERROR(1, "%s: Could not update with domain\n", + cERROR(1, "%s: Could not update with domain", __func__); return rc; } @@ -480,7 +480,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash, (char *)server, 2 * len); kfree(server); if (rc) { - cERROR(1, "%s: Could not update with server\n", + cERROR(1, "%s: Could not update with server", __func__); return rc; } @@ -489,7 +489,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash, rc = crypto_shash_final(&ses->server->secmech.sdeschmacmd5->shash, ntlmv2_hash); if (rc) - cERROR(1, "%s: Could not generate md5 hash\n", __func__); + cERROR(1, "%s: Could not generate md5 hash", __func__); return rc; } @@ -501,7 +501,7 @@ CalcNTLMv2_response(const struct cifs_ses *ses, char *ntlmv2_hash) unsigned int offset = CIFS_SESS_KEY_SIZE + 8; if (!ses->server->secmech.sdeschmacmd5) { - cERROR(1, "calc_ntlmv2_hash: can't generate ntlmv2 hash\n"); + cERROR(1, "calc_ntlmv2_hash: can't generate ntlmv2 hash"); return -1; } @@ -527,14 +527,14 @@ CalcNTLMv2_response(const struct cifs_ses *ses, char *ntlmv2_hash) rc = crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash, ses->auth_key.response + offset, ses->auth_key.len - offset); if (rc) { - cERROR(1, "%s: Could not update with response\n", __func__); + cERROR(1, "%s: Could not update with response", __func__); return rc; } rc = crypto_shash_final(&ses->server->secmech.sdeschmacmd5->shash, ses->auth_key.response + CIFS_SESS_KEY_SIZE); if (rc) - cERROR(1, "%s: Could not generate md5 hash\n", __func__); + cERROR(1, "%s: Could not generate md5 hash", __func__); return rc; } @@ -613,7 +613,7 @@ setup_ntlmv2_rsp(struct cifs_ses *ses, const struct nls_table *nls_cp) rc = crypto_shash_init(&ses->server->secmech.sdeschmacmd5->shash); if (rc) { - cERROR(1, "%s: Could not init hmacmd5\n", __func__); + cERROR(1, "%s: Could not init hmacmd5", __func__); goto setup_ntlmv2_rsp_ret; } @@ -621,14 +621,14 @@ setup_ntlmv2_rsp(struct cifs_ses *ses, const struct nls_table *nls_cp) ses->auth_key.response + CIFS_SESS_KEY_SIZE, CIFS_HMAC_MD5_HASH_SIZE); if (rc) { - cERROR(1, "%s: Could not update with response\n", __func__); + cERROR(1, "%s: Could not update with response", __func__); goto setup_ntlmv2_rsp_ret; } rc = crypto_shash_final(&ses->server->secmech.sdeschmacmd5->shash, ses->auth_key.response); if (rc) - cERROR(1, "%s: Could not generate md5 hash\n", __func__); + cERROR(1, "%s: Could not generate md5 hash", __func__); setup_ntlmv2_rsp_ret: kfree(tiblob); @@ -650,7 +650,7 @@ calc_seckey(struct cifs_ses *ses) tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm_arc4)) { rc = PTR_ERR(tfm_arc4); - cERROR(1, "could not allocate crypto API arc4\n"); + cERROR(1, "could not allocate crypto API arc4"); return rc; } @@ -668,7 +668,7 @@ calc_seckey(struct cifs_ses *ses) rc = crypto_blkcipher_encrypt(&desc, &sgout, &sgin, CIFS_CPHTXT_SIZE); if (rc) { - cERROR(1, "could not encrypt session key rc: %d\n", rc); + cERROR(1, "could not encrypt session key rc: %d", rc); crypto_free_blkcipher(tfm_arc4); return rc; } @@ -705,13 +705,13 @@ cifs_crypto_shash_allocate(struct TCP_Server_Info *server) server->secmech.hmacmd5 = crypto_alloc_shash("hmac(md5)", 0, 0); if (IS_ERR(server->secmech.hmacmd5)) { - cERROR(1, "could not allocate crypto hmacmd5\n"); + cERROR(1, "could not allocate crypto hmacmd5"); return PTR_ERR(server->secmech.hmacmd5); } server->secmech.md5 = crypto_alloc_shash("md5", 0, 0); if (IS_ERR(server->secmech.md5)) { - cERROR(1, "could not allocate crypto md5\n"); + cERROR(1, "could not allocate crypto md5"); rc = PTR_ERR(server->secmech.md5); goto crypto_allocate_md5_fail; } @@ -720,7 +720,7 @@ cifs_crypto_shash_allocate(struct TCP_Server_Info *server) crypto_shash_descsize(server->secmech.hmacmd5); server->secmech.sdeschmacmd5 = kmalloc(size, GFP_KERNEL); if (!server->secmech.sdeschmacmd5) { - cERROR(1, "cifs_crypto_shash_allocate: can't alloc hmacmd5\n"); + cERROR(1, "cifs_crypto_shash_allocate: can't alloc hmacmd5"); rc = -ENOMEM; goto crypto_allocate_hmacmd5_sdesc_fail; } @@ -732,7 +732,7 @@ cifs_crypto_shash_allocate(struct TCP_Server_Info *server) crypto_shash_descsize(server->secmech.md5); server->secmech.sdescmd5 = kmalloc(size, GFP_KERNEL); if (!server->secmech.sdescmd5) { - cERROR(1, "cifs_crypto_shash_allocate: can't alloc md5\n"); + cERROR(1, "cifs_crypto_shash_allocate: can't alloc md5"); rc = -ENOMEM; goto crypto_allocate_md5_sdesc_fail; } diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 8b6e344eb0ba..db8a404a51dd 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -48,6 +48,9 @@ #include <linux/key-type.h> #include "cifs_spnego.h" #include "fscache.h" +#ifdef CONFIG_CIFS_SMB2 +#include "smb2pdu.h" +#endif #define CIFS_MAGIC_NUMBER 0xFF534D42 /* the first four bytes of SMB PDUs */ int cifsFYI = 0; @@ -158,9 +161,9 @@ cifs_statfs(struct dentry *dentry, struct kstatfs *buf) struct cifs_sb_info *cifs_sb = CIFS_SB(sb); struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); int rc = -EOPNOTSUPP; - int xid; + unsigned int xid; - xid = GetXid(); + xid = get_xid(); buf->f_type = CIFS_MAGIC_NUMBER; @@ -197,7 +200,7 @@ cifs_statfs(struct dentry *dentry, struct kstatfs *buf) if (rc) rc = SMBOldQFSInfo(xid, tcon, buf); - FreeXid(xid); + free_xid(xid); return 0; } @@ -257,7 +260,6 @@ cifs_alloc_inode(struct super_block *sb) static void cifs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(cifs_inode_cachep, CIFS_I(inode)); } @@ -547,8 +549,8 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) char *s, *p; char sep; - full_path = cifs_build_path_to_root(vol, cifs_sb, - cifs_sb_master_tcon(cifs_sb)); + full_path = build_path_to_root(vol, cifs_sb, + cifs_sb_master_tcon(cifs_sb)); if (full_path == NULL) return ERR_PTR(-ENOMEM); @@ -638,7 +640,10 @@ cifs_do_mount(struct file_system_type *fs_type, mnt_data.cifs_sb = cifs_sb; mnt_data.flags = flags; - sb = sget(fs_type, cifs_match_super, cifs_set_super, &mnt_data); + /* BB should we make this contingent on mount parm? */ + flags |= MS_NODIRATIME | MS_NOATIME; + + sb = sget(fs_type, cifs_match_super, cifs_set_super, flags, &mnt_data); if (IS_ERR(sb)) { root = ERR_CAST(sb); cifs_umount(cifs_sb); @@ -649,10 +654,6 @@ cifs_do_mount(struct file_system_type *fs_type, cFYI(1, "Use existing superblock"); cifs_umount(cifs_sb); } else { - sb->s_flags = flags; - /* BB should we make this contingent on mount parm? */ - sb->s_flags |= MS_NODIRATIME | MS_NOATIME; - rc = cifs_read_super(sb); if (rc) { root = ERR_PTR(rc); @@ -778,6 +779,7 @@ struct file_system_type cifs_fs_type = { }; const struct inode_operations cifs_dir_inode_ops = { .create = cifs_create, + .atomic_open = cifs_atomic_open, .lookup = cifs_lookup, .getattr = cifs_getattr, .unlink = cifs_unlink, @@ -981,6 +983,14 @@ cifs_destroy_inodecache(void) static int cifs_init_request_bufs(void) { + size_t max_hdr_size = MAX_CIFS_HDR_SIZE; +#ifdef CONFIG_CIFS_SMB2 + /* + * SMB2 maximum header size is bigger than CIFS one - no problems to + * allocate some more bytes for CIFS. + */ + max_hdr_size = MAX_SMB2_HDR_SIZE; +#endif if (CIFSMaxBufSize < 8192) { /* Buffer size can not be smaller than 2 * PATH_MAX since maximum Unicode path name has to fit in any SMB/CIFS path based frames */ @@ -992,8 +1002,7 @@ cifs_init_request_bufs(void) } /* cERROR(1, "CIFSMaxBufSize %d 0x%x",CIFSMaxBufSize,CIFSMaxBufSize); */ cifs_req_cachep = kmem_cache_create("cifs_request", - CIFSMaxBufSize + - MAX_CIFS_HDR_SIZE, 0, + CIFSMaxBufSize + max_hdr_size, 0, SLAB_HWCACHE_ALIGN, NULL); if (cifs_req_cachep == NULL) return -ENOMEM; diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 65365358c976..1c49c5a9b27a 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -45,9 +45,12 @@ extern const struct address_space_operations cifs_addr_ops_smallbuf; extern const struct inode_operations cifs_dir_inode_ops; extern struct inode *cifs_root_iget(struct super_block *); extern int cifs_create(struct inode *, struct dentry *, umode_t, - struct nameidata *); + bool excl); +extern int cifs_atomic_open(struct inode *, struct dentry *, + struct file *, unsigned, umode_t, + int *); extern struct dentry *cifs_lookup(struct inode *, struct dentry *, - struct nameidata *); + unsigned int); extern int cifs_unlink(struct inode *dir, struct dentry *dentry); extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *); extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t); diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 6df0cbe1cbc9..497da5ce704c 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -22,11 +22,15 @@ #include <linux/in.h> #include <linux/in6.h> #include <linux/slab.h> +#include <linux/mempool.h> #include <linux/workqueue.h> #include "cifs_fs_sb.h" #include "cifsacl.h" #include <crypto/internal/hash.h> #include <linux/scatterlist.h> +#ifdef CONFIG_CIFS_SMB2 +#include "smb2pdu.h" +#endif /* * The sizes of various internal tables and strings @@ -72,6 +76,9 @@ /* (max path length + 1 for null) * 2 for unicode */ #define MAX_NAME 514 +/* SMB echo "timeout" -- FIXME: tunable? */ +#define SMB_ECHO_INTERVAL (60 * HZ) + #include "cifspdu.h" #ifndef XATTR_DOS_ATTRIB @@ -160,6 +167,10 @@ struct mid_q_entry; struct TCP_Server_Info; struct cifsFileInfo; struct cifs_ses; +struct cifs_tcon; +struct dfs_info3_param; +struct cifs_fattr; +struct smb_vol; struct smb_version_operations { int (*send_cancel)(struct TCP_Server_Info *, void *, @@ -168,12 +179,17 @@ struct smb_version_operations { /* setup request: allocate mid, sign message */ int (*setup_request)(struct cifs_ses *, struct kvec *, unsigned int, struct mid_q_entry **); + /* setup async request: allocate mid, sign message */ + int (*setup_async_request)(struct TCP_Server_Info *, struct kvec *, + unsigned int, struct mid_q_entry **); /* check response: verify signature, map error */ int (*check_receive)(struct mid_q_entry *, struct TCP_Server_Info *, bool); - void (*add_credits)(struct TCP_Server_Info *, const unsigned int); + void (*add_credits)(struct TCP_Server_Info *, const unsigned int, + const int); void (*set_credits)(struct TCP_Server_Info *, const int); - int * (*get_credits_field)(struct TCP_Server_Info *); + int * (*get_credits_field)(struct TCP_Server_Info *, const int); + unsigned int (*get_credits)(struct mid_q_entry *); __u64 (*get_next_mid)(struct TCP_Server_Info *); /* data offset from read response message */ unsigned int (*read_data_offset)(char *); @@ -184,9 +200,52 @@ struct smb_version_operations { /* find mid corresponding to the response message */ struct mid_q_entry * (*find_mid)(struct TCP_Server_Info *, char *); void (*dump_detail)(void *); + void (*clear_stats)(struct cifs_tcon *); + void (*print_stats)(struct seq_file *m, struct cifs_tcon *); /* verify the message */ int (*check_message)(char *, unsigned int); bool (*is_oplock_break)(char *, struct TCP_Server_Info *); + /* process transaction2 response */ + bool (*check_trans2)(struct mid_q_entry *, struct TCP_Server_Info *, + char *, int); + /* check if we need to negotiate */ + bool (*need_neg)(struct TCP_Server_Info *); + /* negotiate to the server */ + int (*negotiate)(const unsigned int, struct cifs_ses *); + /* setup smb sessionn */ + int (*sess_setup)(const unsigned int, struct cifs_ses *, + const struct nls_table *); + /* close smb session */ + int (*logoff)(const unsigned int, struct cifs_ses *); + /* connect to a server share */ + int (*tree_connect)(const unsigned int, struct cifs_ses *, const char *, + struct cifs_tcon *, const struct nls_table *); + /* close tree connecion */ + int (*tree_disconnect)(const unsigned int, struct cifs_tcon *); + /* get DFS referrals */ + int (*get_dfs_refer)(const unsigned int, struct cifs_ses *, + const char *, struct dfs_info3_param **, + unsigned int *, const struct nls_table *, int); + /* informational QFS call */ + void (*qfs_tcon)(const unsigned int, struct cifs_tcon *); + /* check if a path is accessible or not */ + int (*is_path_accessible)(const unsigned int, struct cifs_tcon *, + struct cifs_sb_info *, const char *); + /* query path data from the server */ + int (*query_path_info)(const unsigned int, struct cifs_tcon *, + struct cifs_sb_info *, const char *, + FILE_ALL_INFO *, bool *); + /* get server index number */ + int (*get_srv_inum)(const unsigned int, struct cifs_tcon *, + struct cifs_sb_info *, const char *, + u64 *uniqueid, FILE_ALL_INFO *); + /* build a full path to the root of the mount */ + char * (*build_path_to_root)(struct smb_vol *, struct cifs_sb_info *, + struct cifs_tcon *); + /* check if we can send an echo or nor */ + bool (*can_echo)(struct TCP_Server_Info *); + /* send echo request */ + int (*echo)(struct TCP_Server_Info *); }; struct smb_version_values { @@ -198,6 +257,10 @@ struct smb_version_values { size_t header_size; size_t max_header_size; size_t read_rsp_size; + __le16 lock_cmd; + unsigned int cap_unix; + unsigned int cap_nt_find; + unsigned int cap_large_files; }; #define HEADER_SIZE(server) (server->vals->header_size) @@ -291,6 +354,12 @@ get_rfc1002_length(void *buf) return be32_to_cpu(*((__be32 *)buf)); } +static inline void +inc_rfc1001_len(void *buf, int count) +{ + be32_add_cpu((__be32 *)buf, count); +} + struct TCP_Server_Info { struct list_head tcp_ses_list; struct list_head smb_ses_list; @@ -319,8 +388,13 @@ struct TCP_Server_Info { struct mutex srv_mutex; struct task_struct *tsk; char server_GUID[16]; - char sec_mode; + __u16 sec_mode; bool session_estab; /* mark when very first sess is established */ +#ifdef CONFIG_CIFS_SMB2 + int echo_credits; /* echo reserved slots */ + int oplock_credits; /* oplock break reserved slots */ + bool echoes:1; /* enable echoes */ +#endif u16 dialect; /* dialect index that server chose */ enum securityEnum secType; bool oplocks:1; /* enable oplocks */ @@ -337,7 +411,7 @@ struct TCP_Server_Info { unsigned int max_vcs; /* maximum number of smb sessions, at least those that can be specified uniquely with vcnumbers */ - int capabilities; /* allow selective disabling of caps by smb sess */ + unsigned int capabilities; /* selective disabling of caps by smb sess */ int timeAdj; /* Adjust for difference in server time zone in sec */ __u64 CurrentMid; /* multiplex id - rotating counter */ char cryptkey[CIFS_CRYPTO_KEY_SIZE]; /* used by ntlm, ntlmv2 etc */ @@ -366,6 +440,10 @@ struct TCP_Server_Info { atomic_t in_send; /* requests trying to send */ atomic_t num_waiters; /* blocked waiting to get in sendrecv */ #endif +#ifdef CONFIG_CIFS_SMB2 + unsigned int max_read; + unsigned int max_write; +#endif /* CONFIG_CIFS_SMB2 */ }; static inline unsigned int @@ -389,9 +467,10 @@ has_credits(struct TCP_Server_Info *server, int *credits) } static inline void -add_credits(struct TCP_Server_Info *server, const unsigned int add) +add_credits(struct TCP_Server_Info *server, const unsigned int add, + const int optype) { - server->ops->add_credits(server, add); + server->ops->add_credits(server, add, optype); } static inline void @@ -453,10 +532,10 @@ struct cifs_ses { char *serverOS; /* name of operating system underlying server */ char *serverNOS; /* name of network operating system of server */ char *serverDomain; /* security realm of server */ - int Suid; /* remote smb uid */ + __u64 Suid; /* remote smb uid */ uid_t linux_uid; /* overriding owner of files on the mount */ uid_t cred_uid; /* owner of credentials */ - int capabilities; + unsigned int capabilities; char serverName[SERVER_NAME_LEN_WITH_NULL * 2]; /* BB make bigger for TCP names - will ipv6 and sctp addresses fit? */ char *user_name; /* must not be null except during init of sess @@ -466,6 +545,9 @@ struct cifs_ses { struct session_key auth_key; struct ntlmssp_auth *ntlmssp; /* ciphertext, flags, server challenge */ bool need_reconnect:1; /* connection reset, uid now invalid */ +#ifdef CONFIG_CIFS_SMB2 + __u16 session_flags; +#endif /* CONFIG_CIFS_SMB2 */ }; /* no more than one of the following three session flags may be set */ #define CIFS_SES_NT4 1 @@ -475,6 +557,13 @@ struct cifs_ses { which do not negotiate NTLM or POSIX dialects, but instead negotiate one of the older LANMAN dialects */ #define CIFS_SES_LANMAN 8 + +static inline bool +cap_unix(struct cifs_ses *ses) +{ + return ses->server->vals->cap_unix & ses->capabilities; +} + /* * there is one of these for each connection to a resource on a particular * session @@ -487,32 +576,42 @@ struct cifs_tcon { char treeName[MAX_TREE_SIZE + 1]; /* UNC name of resource in ASCII */ char *nativeFileSystem; char *password; /* for share-level security */ - __u16 tid; /* The 2 byte tree id */ + __u32 tid; /* The 4 byte tree id */ __u16 Flags; /* optional support bits */ enum statusEnum tidStatus; #ifdef CONFIG_CIFS_STATS atomic_t num_smbs_sent; - atomic_t num_writes; - atomic_t num_reads; - atomic_t num_flushes; - atomic_t num_oplock_brks; - atomic_t num_opens; - atomic_t num_closes; - atomic_t num_deletes; - atomic_t num_mkdirs; - atomic_t num_posixopens; - atomic_t num_posixmkdirs; - atomic_t num_rmdirs; - atomic_t num_renames; - atomic_t num_t2renames; - atomic_t num_ffirst; - atomic_t num_fnext; - atomic_t num_fclose; - atomic_t num_hardlinks; - atomic_t num_symlinks; - atomic_t num_locks; - atomic_t num_acl_get; - atomic_t num_acl_set; + union { + struct { + atomic_t num_writes; + atomic_t num_reads; + atomic_t num_flushes; + atomic_t num_oplock_brks; + atomic_t num_opens; + atomic_t num_closes; + atomic_t num_deletes; + atomic_t num_mkdirs; + atomic_t num_posixopens; + atomic_t num_posixmkdirs; + atomic_t num_rmdirs; + atomic_t num_renames; + atomic_t num_t2renames; + atomic_t num_ffirst; + atomic_t num_fnext; + atomic_t num_fclose; + atomic_t num_hardlinks; + atomic_t num_symlinks; + atomic_t num_locks; + atomic_t num_acl_get; + atomic_t num_acl_set; + } cifs_stats; +#ifdef CONFIG_CIFS_SMB2 + struct { + atomic_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS]; + atomic_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS]; + } smb2_stats; +#endif /* CONFIG_CIFS_SMB2 */ + } stats; #ifdef CONFIG_CIFS_STATS2 unsigned long long time_writes; unsigned long long time_reads; @@ -543,6 +642,15 @@ struct cifs_tcon { bool local_lease:1; /* check leases (only) on local system not remote */ bool broken_posix_open; /* e.g. Samba server versions < 3.3.2, 3.2.9 */ bool need_reconnect:1; /* connection reset, tid now invalid */ +#ifdef CONFIG_CIFS_SMB2 + bool print:1; /* set if connection to printer share */ + bool bad_network_name:1; /* set if ret status STATUS_BAD_NETWORK_NAME */ + __u32 capabilities; + __u32 share_flags; + __u32 maximal_access; + __u32 vol_serial_number; + __le64 vol_create_time; +#endif /* CONFIG_CIFS_SMB2 */ #ifdef CONFIG_CIFS_FSCACHE u64 resource_id; /* server resource id */ struct fscache_cookie *fscache; /* cookie for share */ @@ -657,13 +765,13 @@ struct cifs_io_parms { * Take a reference on the file private data. Must be called with * cifs_file_list_lock held. */ -static inline -struct cifsFileInfo *cifsFileInfo_get(struct cifsFileInfo *cifs_file) +static inline void +cifsFileInfo_get_locked(struct cifsFileInfo *cifs_file) { ++cifs_file->count; - return cifs_file; } +struct cifsFileInfo *cifsFileInfo_get(struct cifsFileInfo *cifs_file); void cifsFileInfo_put(struct cifsFileInfo *cifs_file); /* @@ -734,6 +842,15 @@ convert_delimiter(char *path, char delim) } } +static inline char * +build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb, + struct cifs_tcon *tcon) +{ + if (!vol->ops->build_path_to_root) + return NULL; + return vol->ops->build_path_to_root(vol, cifs_sb, tcon); +} + #ifdef CONFIG_CIFS_STATS #define cifs_stats_inc atomic_inc @@ -791,6 +908,7 @@ typedef void (mid_callback_t)(struct mid_q_entry *mid); /* one of these for every pending CIFS request to the server */ struct mid_q_entry { struct list_head qhead; /* mids waiting on reply from this server */ + struct TCP_Server_Info *server; /* server corresponding to this mid */ __u64 mid; /* multiplex id */ __u32 pid; /* process id */ __u32 sequence_number; /* for CIFS signing */ @@ -954,6 +1072,12 @@ static inline void free_dfs_info_array(struct dfs_info3_param *param, #define CIFS_LARGE_BUF_OP 0x020 /* large request buffer */ #define CIFS_NO_RESP 0x040 /* no response buffer required */ +/* Type of request operation */ +#define CIFS_ECHO_OP 0x080 /* echo request */ +#define CIFS_OBREAK_OP 0x0100 /* oplock break request */ +#define CIFS_NEG_OP 0x0200 /* negotiate request */ +#define CIFS_OP_MASK 0x0380 /* mask request type */ + /* Security Flags: indicate type of session setup needed */ #define CIFSSEC_MAY_SIGN 0x00001 #define CIFSSEC_MAY_NTLM 0x00002 @@ -1127,6 +1251,8 @@ void cifs_oplock_break(struct work_struct *work); extern const struct slow_work_ops cifs_oplock_break_ops; extern struct workqueue_struct *cifsiod_wq; +extern mempool_t *cifs_mid_poolp; + /* Operations for different SMB versions */ #define SMB1_VERSION_STRING "1.0" extern struct smb_version_operations smb1_operations; diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 0a6cbfe2761e..cf7fb185103c 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -37,29 +37,26 @@ extern struct smb_hdr *cifs_small_buf_get(void); extern void cifs_small_buf_release(void *); extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *, unsigned int /* length */); -extern unsigned int _GetXid(void); -extern void _FreeXid(unsigned int); -#define GetXid() \ +extern unsigned int _get_xid(void); +extern void _free_xid(unsigned int); +#define get_xid() \ ({ \ - int __xid = (int)_GetXid(); \ - cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d", \ + unsigned int __xid = _get_xid(); \ + cFYI(1, "CIFS VFS: in %s as Xid: %u with uid: %d", \ __func__, __xid, current_fsuid()); \ __xid; \ }) -#define FreeXid(curr_xid) \ +#define free_xid(curr_xid) \ do { \ - _FreeXid(curr_xid); \ - cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d", \ + _free_xid(curr_xid); \ + cFYI(1, "CIFS VFS: leaving %s (xid = %u) rc = %d", \ __func__, curr_xid, (int)rc); \ } while (0) extern int init_cifs_idmap(void); extern void exit_cifs_idmap(void); extern void cifs_destroy_idmaptrees(void); extern char *build_path_from_dentry(struct dentry *); -extern char *cifs_build_path_to_root(struct smb_vol *vol, - struct cifs_sb_info *cifs_sb, - struct cifs_tcon *tcon); extern char *build_wildcard_path_from_dentry(struct dentry *direntry); extern char *cifs_compose_mount_options(const char *sb_mountdata, const char *fullpath, const struct dfs_info3_param *ref, @@ -68,18 +65,21 @@ extern char *cifs_compose_mount_options(const char *sb_mountdata, extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server); extern void DeleteMidQEntry(struct mid_q_entry *midEntry); +extern void cifs_wake_up_task(struct mid_q_entry *mid); extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov, unsigned int nvec, mid_receive_t *receive, mid_callback_t *callback, void *cbdata, - bool ignore_pend); + const int flags); extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *, struct smb_hdr * /* input */ , struct smb_hdr * /* out */ , - int * /* bytes returned */ , const int long_op); + int * /* bytes returned */ , const int); extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses, char *in_buf, int flags); extern int cifs_setup_request(struct cifs_ses *, struct kvec *, unsigned int, struct mid_q_entry **); +extern int cifs_setup_async_request(struct TCP_Server_Info *, struct kvec *, + unsigned int, struct mid_q_entry **); extern int cifs_check_receive(struct mid_q_entry *mid, struct TCP_Server_Info *server, bool log_error); extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *, @@ -90,6 +90,7 @@ extern int SendReceiveBlockingLock(const unsigned int xid, struct smb_hdr *in_buf , struct smb_hdr *out_buf, int *bytes_returned); +extern int cifs_reconnect(struct TCP_Server_Info *server); extern int checkSMB(char *buf, unsigned int length); extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *); extern bool backup_cred(struct cifs_sb_info *); @@ -112,8 +113,8 @@ extern void header_assemble(struct smb_hdr *, char /* command */ , extern int small_smb_init_no_tc(const int smb_cmd, const int wct, struct cifs_ses *ses, void **request_buf); -extern int CIFS_SessSetup(unsigned int xid, struct cifs_ses *ses, - const struct nls_table *nls_cp); +extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses, + const struct nls_table *nls_cp); extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601); extern u64 cifs_UnixTimeToNT(struct timespec); extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, @@ -123,10 +124,10 @@ extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock); extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle, struct file *file, struct tcon_link *tlink, __u32 oplock); -extern int cifs_posix_open(char *full_path, struct inode **pinode, - struct super_block *sb, - int mode, unsigned int f_flags, - __u32 *poplock, __u16 *pnetfid, int xid); +extern int cifs_posix_open(char *full_path, struct inode **inode, + struct super_block *sb, int mode, + unsigned int f_flags, __u32 *oplock, __u16 *netfid, + unsigned int xid); void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr); extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, FILE_UNIX_BASIC_INFO *info, @@ -136,14 +137,13 @@ extern struct inode *cifs_iget(struct super_block *sb, struct cifs_fattr *fattr); extern int cifs_get_file_info(struct file *filp); -extern int cifs_get_inode_info(struct inode **pinode, - const unsigned char *search_path, - FILE_ALL_INFO *pfile_info, - struct super_block *sb, int xid, const __u16 *pfid); +extern int cifs_get_inode_info(struct inode **inode, const char *full_path, + FILE_ALL_INFO *data, struct super_block *sb, + int xid, const __u16 *fid); extern int cifs_get_file_info_unix(struct file *filp); extern int cifs_get_inode_info_unix(struct inode **pinode, const unsigned char *search_path, - struct super_block *sb, int xid); + struct super_block *sb, unsigned int xid); extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr, struct inode *inode, const char *path, const __u16 *pfid); @@ -168,6 +168,7 @@ extern struct smb_vol *cifs_get_volume_info(char *mount_data, const char *devname); extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *); extern void cifs_umount(struct cifs_sb_info *); +extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon); #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) extern void cifs_dfs_release_automount_timer(void); @@ -178,98 +179,97 @@ extern void cifs_dfs_release_automount_timer(void); void cifs_proc_init(void); void cifs_proc_clean(void); -extern int cifs_negotiate_protocol(unsigned int xid, - struct cifs_ses *ses); -extern int cifs_setup_session(unsigned int xid, struct cifs_ses *ses, - struct nls_table *nls_info); -extern int CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses); +extern int cifs_negotiate_protocol(const unsigned int xid, + struct cifs_ses *ses); +extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses, + struct nls_table *nls_info); +extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses); -extern int CIFSTCon(unsigned int xid, struct cifs_ses *ses, - const char *tree, struct cifs_tcon *tcon, - const struct nls_table *); +extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses, + const char *tree, struct cifs_tcon *tcon, + const struct nls_table *); -extern int CIFSFindFirst(const int xid, struct cifs_tcon *tcon, +extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon, const char *searchName, const struct nls_table *nls_codepage, __u16 *searchHandle, __u16 search_flags, struct cifs_search_info *psrch_inf, int map, const char dirsep); -extern int CIFSFindNext(const int xid, struct cifs_tcon *tcon, +extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon, __u16 searchHandle, __u16 search_flags, struct cifs_search_info *psrch_inf); -extern int CIFSFindClose(const int, struct cifs_tcon *tcon, +extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon, const __u16 search_handle); -extern int CIFSSMBQFileInfo(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, u16 netfid, FILE_ALL_INFO *pFindData); -extern int CIFSSMBQPathInfo(const int xid, struct cifs_tcon *tcon, - const unsigned char *searchName, - FILE_ALL_INFO *findData, - int legacy /* whether to use old info level */, - const struct nls_table *nls_codepage, int remap); -extern int SMBQueryInformation(const int xid, struct cifs_tcon *tcon, - const unsigned char *searchName, - FILE_ALL_INFO *findData, - const struct nls_table *nls_codepage, int remap); - -extern int CIFSSMBUnixQFileInfo(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon, + const char *search_Name, FILE_ALL_INFO *data, + int legacy /* whether to use old info level */, + const struct nls_table *nls_codepage, int remap); +extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon, + const char *search_name, FILE_ALL_INFO *data, + const struct nls_table *nls_codepage, int remap); + +extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, u16 netfid, FILE_UNIX_BASIC_INFO *pFindData); -extern int CIFSSMBUnixQPathInfo(const int xid, +extern int CIFSSMBUnixQPathInfo(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, FILE_UNIX_BASIC_INFO *pFindData, const struct nls_table *nls_codepage, int remap); -extern int CIFSGetDFSRefer(const int xid, struct cifs_ses *ses, - const unsigned char *searchName, - struct dfs_info3_param **target_nodes, - unsigned int *number_of_nodes_in_array, - const struct nls_table *nls_codepage, int remap); +extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses, + const char *search_name, + struct dfs_info3_param **target_nodes, + unsigned int *num_of_nodes, + const struct nls_table *nls_codepage, int remap); -extern int get_dfs_path(int xid, struct cifs_ses *pSesInfo, +extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses, const char *old_path, const struct nls_table *nls_codepage, - unsigned int *pnum_referrals, - struct dfs_info3_param **preferrals, - int remap); -extern void reset_cifs_unix_caps(int xid, struct cifs_tcon *tcon, + unsigned int *num_referrals, + struct dfs_info3_param **referrals, int remap); +extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon, struct cifs_sb_info *cifs_sb, struct smb_vol *vol); -extern int CIFSSMBQFSInfo(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, struct kstatfs *FSData); -extern int SMBOldQFSInfo(const int xid, struct cifs_tcon *tcon, +extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, struct kstatfs *FSData); -extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon, __u64 cap); -extern int CIFSSMBQFSAttributeInfo(const int xid, +extern int CIFSSMBQFSAttributeInfo(const unsigned int xid, struct cifs_tcon *tcon); -extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifs_tcon *tcon); -extern int CIFSSMBQFSUnixInfo(const int xid, struct cifs_tcon *tcon); -extern int CIFSSMBQFSPosixInfo(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon); +extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon); +extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon, struct kstatfs *FSData); -extern int CIFSSMBSetPathInfo(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon, const char *fileName, const FILE_BASIC_INFO *data, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon, const FILE_BASIC_INFO *data, __u16 fid, __u32 pid_of_opener); -extern int CIFSSMBSetFileDisposition(const int xid, struct cifs_tcon *tcon, - bool delete_file, __u16 fid, __u32 pid_of_opener); +extern int CIFSSMBSetFileDisposition(const unsigned int xid, + struct cifs_tcon *tcon, + bool delete_file, __u16 fid, + __u32 pid_of_opener); #if 0 -extern int CIFSSMBSetAttrLegacy(int xid, struct cifs_tcon *tcon, +extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon, char *fileName, __u16 dos_attributes, const struct nls_table *nls_codepage); #endif /* possibly unneeded function */ -extern int CIFSSMBSetEOF(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon, const char *fileName, __u64 size, bool setAllocationSizeFlag, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSSMBSetFileSize(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon, __u64 size, __u16 fileHandle, __u32 opener_pid, bool AllocSizeFlag); @@ -283,114 +283,117 @@ struct cifs_unix_set_info_args { dev_t device; }; -extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBUnixSetFileInfo(const unsigned int xid, + struct cifs_tcon *tcon, const struct cifs_unix_set_info_args *args, u16 fid, u32 pid_of_opener); -extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifs_tcon *pTcon, - char *fileName, - const struct cifs_unix_set_info_args *args, - const struct nls_table *nls_codepage, - int remap_special_chars); +extern int CIFSSMBUnixSetPathInfo(const unsigned int xid, + struct cifs_tcon *tcon, char *file_name, + const struct cifs_unix_set_info_args *args, + const struct nls_table *nls_codepage, + int remap_special_chars); -extern int CIFSSMBMkDir(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, const char *newName, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSSMBRmDir(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, const char *name, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSPOSIXDelFile(const int xid, struct cifs_tcon *tcon, +extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon, const char *name, __u16 type, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSSMBDelFile(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon, const char *name, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSSMBRename(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon, - int netfid, const char *target_name, - const struct nls_table *nls_codepage, - int remap_special_chars); -extern int CIFSCreateHardLink(const int xid, +extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon, + int netfid, const char *target_name, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSUnixCreateHardLink(const int xid, +extern int CIFSUnixCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSUnixCreateSymLink(const int xid, +extern int CIFSUnixCreateSymLink(const unsigned int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage); -extern int CIFSSMBUnixQuerySymLink(const int xid, +extern int CIFSSMBUnixQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, char **syminfo, const struct nls_table *nls_codepage); #ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL -extern int CIFSSMBQueryReparseLinkInfo(const int xid, +extern int CIFSSMBQueryReparseLinkInfo(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, char *symlinkinfo, const int buflen, __u16 fid, const struct nls_table *nls_codepage); #endif /* temporarily unused until cifs_symlink fixed */ -extern int CIFSSMBOpen(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon, const char *fileName, const int disposition, const int access_flags, const int omode, __u16 *netfid, int *pOplock, FILE_ALL_INFO *, const struct nls_table *nls_codepage, int remap); -extern int SMBLegacyOpen(const int xid, struct cifs_tcon *tcon, +extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon, const char *fileName, const int disposition, const int access_flags, const int omode, __u16 *netfid, int *pOplock, FILE_ALL_INFO *, const struct nls_table *nls_codepage, int remap); -extern int CIFSPOSIXCreate(const int xid, struct cifs_tcon *tcon, +extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon, u32 posix_flags, __u64 mode, __u16 *netfid, FILE_UNIX_BASIC_INFO *pRetData, __u32 *pOplock, const char *name, const struct nls_table *nls_codepage, int remap); -extern int CIFSSMBClose(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon, const int smb_file_id); -extern int CIFSSMBFlush(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon, const int smb_file_id); -extern int CIFSSMBRead(const int xid, struct cifs_io_parms *io_parms, +extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, char **buf, int *return_buf_type); -extern int CIFSSMBWrite(const int xid, struct cifs_io_parms *io_parms, +extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, const char *buf, const char __user *ubuf, const int long_op); -extern int CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms, +extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, struct kvec *iov, const int nvec, const int long_op); -extern int CIFSGetSrvInodeNumber(const int xid, struct cifs_tcon *tcon, - const unsigned char *searchName, __u64 *inode_number, - const struct nls_table *nls_codepage, - int remap_special_chars); - -extern int cifs_lockv(const int xid, struct cifs_tcon *tcon, const __u16 netfid, - const __u8 lock_type, const __u32 num_unlock, - const __u32 num_lock, LOCKING_ANDX_RANGE *buf); -extern int CIFSSMBLock(const int xid, struct cifs_tcon *tcon, +extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon, + const char *search_name, __u64 *inode_number, + const struct nls_table *nls_codepage, + int remap); + +extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon, + const __u16 netfid, const __u8 lock_type, + const __u32 num_unlock, const __u32 num_lock, + LOCKING_ANDX_RANGE *buf); +extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon, const __u16 netfid, const __u32 netpid, const __u64 len, const __u64 offset, const __u32 numUnlock, const __u32 numLock, const __u8 lockType, const bool waitFlag, const __u8 oplock_level); -extern int CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon, const __u16 smb_file_id, const __u32 netpid, - const int get_flag, const __u64 len, struct file_lock *, - const __u16 lock_type, const bool waitFlag); -extern int CIFSSMBTDis(const int xid, struct cifs_tcon *tcon); + const loff_t start_offset, const __u64 len, + struct file_lock *, const __u16 lock_type, + const bool waitFlag); +extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon); extern int CIFSSMBEcho(struct TCP_Server_Info *server); -extern int CIFSSMBLogoff(const int xid, struct cifs_ses *ses); +extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses); extern struct cifs_ses *sesInfoAlloc(void); extern void sesInfoFree(struct cifs_ses *); @@ -398,7 +401,7 @@ extern struct cifs_tcon *tconInfoAlloc(void); extern void tconInfoFree(struct cifs_tcon *); extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *); -extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *, +extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *, __u32 *); extern int cifs_verify_signature(struct kvec *iov, unsigned int nr_iov, struct TCP_Server_Info *server, @@ -416,46 +419,46 @@ extern int calc_lanman_hash(const char *password, const char *cryptkey, bool encrypt, char *lnm_session_key); #endif /* CIFS_WEAK_PW_HASH */ #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */ -extern int CIFSSMBNotify(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon, const int notify_subdirs, const __u16 netfid, __u32 filter, struct file *file, int multishot, const struct nls_table *nls_codepage); #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */ -extern int CIFSSMBCopy(int xid, +extern int CIFSSMBCopy(unsigned int xid, struct cifs_tcon *source_tcon, const char *fromName, const __u16 target_tid, const char *toName, const int flags, const struct nls_table *nls_codepage, int remap_special_chars); -extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifs_tcon *tcon, +extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, const unsigned char *ea_name, char *EAData, size_t bufsize, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSSMBSetEA(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon, const char *fileName, const char *ea_name, const void *ea_value, const __u16 ea_value_len, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSSMBGetCIFSACL(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon, __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen); -extern int CIFSSMBSetCIFSACL(const int, struct cifs_tcon *, __u16, +extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16, struct cifs_ntsd *, __u32, int); -extern int CIFSSMBGetPosixACL(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, char *acl_inf, const int buflen, const int acl_type, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSSMBSetPosixACL(const int xid, struct cifs_tcon *tcon, +extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *fileName, const char *local_acl, const int buflen, const int acl_type, const struct nls_table *nls_codepage, int remap_special_chars); -extern int CIFSGetExtAttr(const int xid, struct cifs_tcon *tcon, +extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon, const int netfid, __u64 *pExtAttrBits, __u64 *pMask); extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb); extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr); extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr, const unsigned char *path, - struct cifs_sb_info *cifs_sb, int xid); + struct cifs_sb_info *cifs_sb, unsigned int xid); extern int mdfour(unsigned char *, unsigned char *, int); extern int E_md4hash(const unsigned char *passwd, unsigned char *p16, const struct nls_table *codepage); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 5b400730c213..cabc7a01f5df 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -86,26 +86,55 @@ static struct { #endif /* CONFIG_CIFS_WEAK_PW_HASH */ #endif /* CIFS_POSIX */ -/* Forward declarations */ +#ifdef CONFIG_HIGHMEM +/* + * On arches that have high memory, kmap address space is limited. By + * serializing the kmap operations on those arches, we ensure that we don't + * end up with a bunch of threads in writeback with partially mapped page + * arrays, stuck waiting for kmap to come back. That situation prevents + * progress and can deadlock. + */ +static DEFINE_MUTEX(cifs_kmap_mutex); + +static inline void +cifs_kmap_lock(void) +{ + mutex_lock(&cifs_kmap_mutex); +} -/* Mark as invalid, all open files on tree connections since they - were closed when session to server was lost */ -static void mark_open_files_invalid(struct cifs_tcon *pTcon) +static inline void +cifs_kmap_unlock(void) +{ + mutex_unlock(&cifs_kmap_mutex); +} +#else /* !CONFIG_HIGHMEM */ +#define cifs_kmap_lock() do { ; } while(0) +#define cifs_kmap_unlock() do { ; } while(0) +#endif /* CONFIG_HIGHMEM */ + +/* + * Mark as invalid, all open files on tree connections since they + * were closed when session to server was lost. + */ +void +cifs_mark_open_files_invalid(struct cifs_tcon *tcon) { struct cifsFileInfo *open_file = NULL; struct list_head *tmp; struct list_head *tmp1; -/* list all files open on tree connection and mark them invalid */ + /* list all files open on tree connection and mark them invalid */ spin_lock(&cifs_file_list_lock); - list_for_each_safe(tmp, tmp1, &pTcon->openFileList) { + list_for_each_safe(tmp, tmp1, &tcon->openFileList) { open_file = list_entry(tmp, struct cifsFileInfo, tlist); open_file->invalidHandle = true; open_file->oplock_break_cancelled = true; } spin_unlock(&cifs_file_list_lock); - /* BB Add call to invalidate_inodes(sb) for all superblocks mounted - to this tcon */ + /* + * BB Add call to invalidate_inodes(sb) for all superblocks mounted + * to this tcon. + */ } /* reconnect the socket, tcon, and smb session if needed */ @@ -185,7 +214,7 @@ cifs_reconnect_tcon(struct cifs_tcon *tcon, int smb_command) goto out; } - mark_open_files_invalid(tcon); + cifs_mark_open_files_invalid(tcon); rc = CIFSTCon(0, ses, tcon->treeName, tcon, nls_codepage); mutex_unlock(&ses->session_mutex); cFYI(1, "reconnect tcon rc = %d", rc); @@ -364,15 +393,8 @@ vt2_err: return -EINVAL; } -static inline void inc_rfc1001_len(void *pSMB, int count) -{ - struct smb_hdr *hdr = (struct smb_hdr *)pSMB; - - be32_add_cpu(&hdr->smb_buf_length, count); -} - int -CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses) +CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses) { NEGOTIATE_REQ *pSMB; NEGOTIATE_RSP *pSMBr; @@ -456,7 +478,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses) rc = -EOPNOTSUPP; goto neg_err_exit; } - server->sec_mode = (__u8)le16_to_cpu(rsp->SecurityMode); + server->sec_mode = le16_to_cpu(rsp->SecurityMode); server->maxReq = min_t(unsigned int, le16_to_cpu(rsp->MaxMpxCount), cifs_max_pending); @@ -670,7 +692,7 @@ neg_err_exit: } int -CIFSSMBTDis(const int xid, struct cifs_tcon *tcon) +CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon) { struct smb_hdr *smb_buffer; int rc = 0; @@ -720,7 +742,7 @@ cifs_echo_callback(struct mid_q_entry *mid) struct TCP_Server_Info *server = mid->callback_data; DeleteMidQEntry(mid); - add_credits(server, 1); + add_credits(server, 1, CIFS_ECHO_OP); } int @@ -747,7 +769,7 @@ CIFSSMBEcho(struct TCP_Server_Info *server) iov.iov_len = be32_to_cpu(smb->hdr.smb_buf_length) + 4; rc = cifs_call_async(server, &iov, 1, NULL, cifs_echo_callback, - server, true); + server, CIFS_ASYNC_OP | CIFS_ECHO_OP); if (rc) cFYI(1, "Echo request failed: %d", rc); @@ -757,7 +779,7 @@ CIFSSMBEcho(struct TCP_Server_Info *server) } int -CIFSSMBLogoff(const int xid, struct cifs_ses *ses) +CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses) { LOGOFF_ANDX_REQ *pSMB; int rc = 0; @@ -804,8 +826,9 @@ session_already_dead: } int -CIFSPOSIXDelFile(const int xid, struct cifs_tcon *tcon, const char *fileName, - __u16 type, const struct nls_table *nls_codepage, int remap) +CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon, + const char *fileName, __u16 type, + const struct nls_table *nls_codepage, int remap) { TRANSACTION2_SPI_REQ *pSMB = NULL; TRANSACTION2_SPI_RSP *pSMBr = NULL; @@ -870,7 +893,7 @@ PsxDelete: cFYI(1, "Posix delete returned %d", rc); cifs_buf_release(pSMB); - cifs_stats_inc(&tcon->num_deletes); + cifs_stats_inc(&tcon->stats.cifs_stats.num_deletes); if (rc == -EAGAIN) goto PsxDelete; @@ -879,8 +902,9 @@ PsxDelete: } int -CIFSSMBDelFile(const int xid, struct cifs_tcon *tcon, const char *fileName, - const struct nls_table *nls_codepage, int remap) +CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon, + const char *fileName, const struct nls_table *nls_codepage, + int remap) { DELETE_FILE_REQ *pSMB = NULL; DELETE_FILE_RSP *pSMBr = NULL; @@ -912,7 +936,7 @@ DelFileRetry: pSMB->ByteCount = cpu_to_le16(name_len + 1); rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_deletes); + cifs_stats_inc(&tcon->stats.cifs_stats.num_deletes); if (rc) cFYI(1, "Error in RMFile = %d", rc); @@ -924,8 +948,9 @@ DelFileRetry: } int -CIFSSMBRmDir(const int xid, struct cifs_tcon *tcon, const char *dirName, - const struct nls_table *nls_codepage, int remap) +CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, + const char *dirName, const struct nls_table *nls_codepage, + int remap) { DELETE_DIRECTORY_REQ *pSMB = NULL; DELETE_DIRECTORY_RSP *pSMBr = NULL; @@ -956,7 +981,7 @@ RmDirRetry: pSMB->ByteCount = cpu_to_le16(name_len + 1); rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_rmdirs); + cifs_stats_inc(&tcon->stats.cifs_stats.num_rmdirs); if (rc) cFYI(1, "Error in RMDir = %d", rc); @@ -967,7 +992,7 @@ RmDirRetry: } int -CIFSSMBMkDir(const int xid, struct cifs_tcon *tcon, +CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon, const char *name, const struct nls_table *nls_codepage, int remap) { int rc = 0; @@ -999,7 +1024,7 @@ MkDirRetry: pSMB->ByteCount = cpu_to_le16(name_len + 1); rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_mkdirs); + cifs_stats_inc(&tcon->stats.cifs_stats.num_mkdirs); if (rc) cFYI(1, "Error in Mkdir = %d", rc); @@ -1010,10 +1035,11 @@ MkDirRetry: } int -CIFSPOSIXCreate(const int xid, struct cifs_tcon *tcon, __u32 posix_flags, - __u64 mode, __u16 *netfid, FILE_UNIX_BASIC_INFO *pRetData, - __u32 *pOplock, const char *name, - const struct nls_table *nls_codepage, int remap) +CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon, + __u32 posix_flags, __u64 mode, __u16 *netfid, + FILE_UNIX_BASIC_INFO *pRetData, __u32 *pOplock, + const char *name, const struct nls_table *nls_codepage, + int remap) { TRANSACTION2_SPI_REQ *pSMB = NULL; TRANSACTION2_SPI_RSP *pSMBr = NULL; @@ -1121,9 +1147,9 @@ psx_create_err: cifs_buf_release(pSMB); if (posix_flags & SMB_O_DIRECTORY) - cifs_stats_inc(&tcon->num_posixmkdirs); + cifs_stats_inc(&tcon->stats.cifs_stats.num_posixmkdirs); else - cifs_stats_inc(&tcon->num_posixopens); + cifs_stats_inc(&tcon->stats.cifs_stats.num_posixopens); if (rc == -EAGAIN) goto PsxCreat; @@ -1176,7 +1202,7 @@ access_flags_to_smbopen_mode(const int access_flags) } int -SMBLegacyOpen(const int xid, struct cifs_tcon *tcon, +SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon, const char *fileName, const int openDisposition, const int access_flags, const int create_options, __u16 *netfid, int *pOplock, FILE_ALL_INFO *pfile_info, @@ -1244,7 +1270,7 @@ OldOpenRetry: /* long_op set to 1 to allow for oplock break timeouts */ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *)pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_opens); + cifs_stats_inc(&tcon->stats.cifs_stats.num_opens); if (rc) { cFYI(1, "Error in Open = %d", rc); } else { @@ -1283,7 +1309,7 @@ OldOpenRetry: } int -CIFSSMBOpen(const int xid, struct cifs_tcon *tcon, +CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon, const char *fileName, const int openDisposition, const int access_flags, const int create_options, __u16 *netfid, int *pOplock, FILE_ALL_INFO *pfile_info, @@ -1357,7 +1383,7 @@ openRetry: /* long_op set to 1 to allow for oplock break timeouts */ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *)pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_opens); + cifs_stats_inc(&tcon->stats.cifs_stats.num_opens); if (rc) { cFYI(1, "Error in Open = %d", rc); } else { @@ -1503,7 +1529,9 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) } /* marshal up the page array */ + cifs_kmap_lock(); len = rdata->marshal_iov(rdata, data_len); + cifs_kmap_unlock(); data_len -= len; /* issue the read if we have any iovecs left to fill */ @@ -1563,7 +1591,7 @@ cifs_readv_callback(struct mid_q_entry *mid) queue_work(cifsiod_wq, &rdata->work); DeleteMidQEntry(mid); - add_credits(server, 1); + add_credits(server, 1, 0); } /* cifs_async_readv - send an async write, and set up mid to handle result */ @@ -1619,10 +1647,10 @@ cifs_async_readv(struct cifs_readdata *rdata) kref_get(&rdata->refcount); rc = cifs_call_async(tcon->ses->server, rdata->iov, 1, cifs_readv_receive, cifs_readv_callback, - rdata, false); + rdata, 0); if (rc == 0) - cifs_stats_inc(&tcon->num_reads); + cifs_stats_inc(&tcon->stats.cifs_stats.num_reads); else kref_put(&rdata->refcount, cifs_readdata_release); @@ -1631,8 +1659,8 @@ cifs_async_readv(struct cifs_readdata *rdata) } int -CIFSSMBRead(const int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, - char **buf, int *pbuf_type) +CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, + unsigned int *nbytes, char **buf, int *pbuf_type) { int rc = -EACCES; READ_REQ *pSMB = NULL; @@ -1692,7 +1720,7 @@ CIFSSMBRead(const int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, iov[0].iov_len = be32_to_cpu(pSMB->hdr.smb_buf_length) + 4; rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovecs */, &resp_buf_type, CIFS_LOG_ERROR); - cifs_stats_inc(&tcon->num_reads); + cifs_stats_inc(&tcon->stats.cifs_stats.num_reads); pSMBr = (READ_RSP *)iov[0].iov_base; if (rc) { cERROR(1, "Send error in read = %d", rc); @@ -1743,7 +1771,7 @@ CIFSSMBRead(const int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, int -CIFSSMBWrite(const int xid, struct cifs_io_parms *io_parms, +CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, const char *buf, const char __user *ubuf, const int long_op) { @@ -1844,7 +1872,7 @@ CIFSSMBWrite(const int xid, struct cifs_io_parms *io_parms, rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, long_op); - cifs_stats_inc(&tcon->num_writes); + cifs_stats_inc(&tcon->stats.cifs_stats.num_writes); if (rc) { cFYI(1, "Send error in write = %d", rc); } else { @@ -2010,7 +2038,7 @@ cifs_writev_callback(struct mid_q_entry *mid) queue_work(cifsiod_wq, &wdata->work); DeleteMidQEntry(mid); - add_credits(tcon->ses->server, 1); + add_credits(tcon->ses->server, 1, 0); } /* cifs_async_writev - send an async write, and set up mid to handle result */ @@ -2069,7 +2097,9 @@ cifs_async_writev(struct cifs_writedata *wdata) * and set the iov_len properly for each one. It may also set * wdata->bytes too. */ + cifs_kmap_lock(); wdata->marshal_iov(iov, wdata); + cifs_kmap_unlock(); cFYI(1, "async write at %llu %u bytes", wdata->offset, wdata->bytes); @@ -2090,10 +2120,10 @@ cifs_async_writev(struct cifs_writedata *wdata) kref_get(&wdata->refcount); rc = cifs_call_async(tcon->ses->server, iov, wdata->nr_pages + 1, - NULL, cifs_writev_callback, wdata, false); + NULL, cifs_writev_callback, wdata, 0); if (rc == 0) - cifs_stats_inc(&tcon->num_writes); + cifs_stats_inc(&tcon->stats.cifs_stats.num_writes); else kref_put(&wdata->refcount, cifs_writedata_release); @@ -2108,7 +2138,7 @@ async_writev_out: } int -CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms, +CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, struct kvec *iov, int n_vec, const int long_op) { @@ -2183,7 +2213,7 @@ CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms, rc = SendReceive2(xid, tcon->ses, iov, n_vec + 1, &resp_buf_type, long_op); - cifs_stats_inc(&tcon->num_writes); + cifs_stats_inc(&tcon->stats.cifs_stats.num_writes); if (rc) { cFYI(1, "Send error Write2 = %d", rc); } else if (resp_buf_type == 0) { @@ -2216,8 +2246,8 @@ CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms, return rc; } -int cifs_lockv(const int xid, struct cifs_tcon *tcon, const __u16 netfid, - const __u8 lock_type, const __u32 num_unlock, +int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon, + const __u16 netfid, const __u8 lock_type, const __u32 num_unlock, const __u32 num_lock, LOCKING_ANDX_RANGE *buf) { int rc = 0; @@ -2249,7 +2279,7 @@ int cifs_lockv(const int xid, struct cifs_tcon *tcon, const __u16 netfid, iov[1].iov_base = (char *)buf; iov[1].iov_len = (num_unlock + num_lock) * sizeof(LOCKING_ANDX_RANGE); - cifs_stats_inc(&tcon->num_locks); + cifs_stats_inc(&tcon->stats.cifs_stats.num_locks); rc = SendReceive2(xid, tcon->ses, iov, 2, &resp_buf_type, CIFS_NO_RESP); if (rc) cFYI(1, "Send error in cifs_lockv = %d", rc); @@ -2258,7 +2288,7 @@ int cifs_lockv(const int xid, struct cifs_tcon *tcon, const __u16 netfid, } int -CIFSSMBLock(const int xid, struct cifs_tcon *tcon, +CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon, const __u16 smb_file_id, const __u32 netpid, const __u64 len, const __u64 offset, const __u32 numUnlock, const __u32 numLock, const __u8 lockType, @@ -2268,7 +2298,7 @@ CIFSSMBLock(const int xid, struct cifs_tcon *tcon, LOCK_REQ *pSMB = NULL; /* LOCK_RSP *pSMBr = NULL; */ /* No response data other than rc to parse */ int bytes_returned; - int timeout = 0; + int flags = 0; __u16 count; cFYI(1, "CIFSSMBLock timeout %d numLock %d", (int)waitFlag, numLock); @@ -2278,10 +2308,11 @@ CIFSSMBLock(const int xid, struct cifs_tcon *tcon, return rc; if (lockType == LOCKING_ANDX_OPLOCK_RELEASE) { - timeout = CIFS_ASYNC_OP; /* no response expected */ + /* no response expected */ + flags = CIFS_ASYNC_OP | CIFS_OBREAK_OP; pSMB->Timeout = 0; } else if (waitFlag) { - timeout = CIFS_BLOCKING_OP; /* blocking operation, no timeout */ + flags = CIFS_BLOCKING_OP; /* blocking operation, no timeout */ pSMB->Timeout = cpu_to_le32(-1);/* blocking - do not time out */ } else { pSMB->Timeout = 0; @@ -2314,10 +2345,10 @@ CIFSSMBLock(const int xid, struct cifs_tcon *tcon, (struct smb_hdr *) pSMB, &bytes_returned); cifs_small_buf_release(pSMB); } else { - rc = SendReceiveNoRsp(xid, tcon->ses, (char *)pSMB, timeout); + rc = SendReceiveNoRsp(xid, tcon->ses, (char *)pSMB, flags); /* SMB buffer freed by function above */ } - cifs_stats_inc(&tcon->num_locks); + cifs_stats_inc(&tcon->stats.cifs_stats.num_locks); if (rc) cFYI(1, "Send error in Lock = %d", rc); @@ -2327,10 +2358,11 @@ CIFSSMBLock(const int xid, struct cifs_tcon *tcon, } int -CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon, - const __u16 smb_file_id, const __u32 netpid, const int get_flag, - const __u64 len, struct file_lock *pLockData, - const __u16 lock_type, const bool waitFlag) +CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon, + const __u16 smb_file_id, const __u32 netpid, + const loff_t start_offset, const __u64 len, + struct file_lock *pLockData, const __u16 lock_type, + const bool waitFlag) { struct smb_com_transaction2_sfi_req *pSMB = NULL; struct smb_com_transaction2_sfi_rsp *pSMBr = NULL; @@ -2344,9 +2376,6 @@ CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon, cFYI(1, "Posix Lock"); - if (pLockData == NULL) - return -EINVAL; - rc = small_smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB); if (rc) @@ -2367,7 +2396,7 @@ CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon, pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find max SMB from sess */ pSMB->SetupCount = 1; pSMB->Reserved3 = 0; - if (get_flag) + if (pLockData) pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FILE_INFORMATION); else pSMB->SubCommand = cpu_to_le16(TRANS2_SET_FILE_INFORMATION); @@ -2389,7 +2418,7 @@ CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon, pSMB->Timeout = 0; parm_data->pid = cpu_to_le32(netpid); - parm_data->start = cpu_to_le64(pLockData->fl_start); + parm_data->start = cpu_to_le64(start_offset); parm_data->length = cpu_to_le64(len); /* normalize negative numbers */ pSMB->DataOffset = cpu_to_le16(offset); @@ -2413,7 +2442,7 @@ CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon, if (rc) { cFYI(1, "Send error in Posix Lock = %d", rc); - } else if (get_flag) { + } else if (pLockData) { /* lock structure can be returned on get */ __u16 data_offset; __u16 data_count; @@ -2465,7 +2494,7 @@ plk_err_exit: int -CIFSSMBClose(const int xid, struct cifs_tcon *tcon, int smb_file_id) +CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon, int smb_file_id) { int rc = 0; CLOSE_REQ *pSMB = NULL; @@ -2482,7 +2511,7 @@ CIFSSMBClose(const int xid, struct cifs_tcon *tcon, int smb_file_id) pSMB->LastWriteTime = 0xFFFFFFFF; pSMB->ByteCount = 0; rc = SendReceiveNoRsp(xid, tcon->ses, (char *) pSMB, 0); - cifs_stats_inc(&tcon->num_closes); + cifs_stats_inc(&tcon->stats.cifs_stats.num_closes); if (rc) { if (rc != -EINTR) { /* EINTR is expected when user ctl-c to kill app */ @@ -2498,7 +2527,7 @@ CIFSSMBClose(const int xid, struct cifs_tcon *tcon, int smb_file_id) } int -CIFSSMBFlush(const int xid, struct cifs_tcon *tcon, int smb_file_id) +CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon, int smb_file_id) { int rc = 0; FLUSH_REQ *pSMB = NULL; @@ -2511,7 +2540,7 @@ CIFSSMBFlush(const int xid, struct cifs_tcon *tcon, int smb_file_id) pSMB->FileID = (__u16) smb_file_id; pSMB->ByteCount = 0; rc = SendReceiveNoRsp(xid, tcon->ses, (char *) pSMB, 0); - cifs_stats_inc(&tcon->num_flushes); + cifs_stats_inc(&tcon->stats.cifs_stats.num_flushes); if (rc) cERROR(1, "Send error in Flush = %d", rc); @@ -2519,7 +2548,7 @@ CIFSSMBFlush(const int xid, struct cifs_tcon *tcon, int smb_file_id) } int -CIFSSMBRename(const int xid, struct cifs_tcon *tcon, +CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage, int remap) { @@ -2574,7 +2603,7 @@ renameRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_renames); + cifs_stats_inc(&tcon->stats.cifs_stats.num_renames); if (rc) cFYI(1, "Send error in rename = %d", rc); @@ -2586,7 +2615,7 @@ renameRetry: return rc; } -int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon, +int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *pTcon, int netfid, const char *target_name, const struct nls_table *nls_codepage, int remap) { @@ -2655,7 +2684,7 @@ int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon, pSMB->ByteCount = cpu_to_le16(byte_count); rc = SendReceive(xid, pTcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&pTcon->num_t2renames); + cifs_stats_inc(&pTcon->stats.cifs_stats.num_t2renames); if (rc) cFYI(1, "Send error in Rename (by file handle) = %d", rc); @@ -2668,9 +2697,9 @@ int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon, } int -CIFSSMBCopy(const int xid, struct cifs_tcon *tcon, const char *fromName, - const __u16 target_tid, const char *toName, const int flags, - const struct nls_table *nls_codepage, int remap) +CIFSSMBCopy(const unsigned int xid, struct cifs_tcon *tcon, + const char *fromName, const __u16 target_tid, const char *toName, + const int flags, const struct nls_table *nls_codepage, int remap) { int rc = 0; COPY_REQ *pSMB = NULL; @@ -2736,7 +2765,7 @@ copyRetry: } int -CIFSUnixCreateSymLink(const int xid, struct cifs_tcon *tcon, +CIFSUnixCreateSymLink(const unsigned int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage) { @@ -2812,7 +2841,7 @@ createSymLinkRetry: pSMB->ByteCount = cpu_to_le16(byte_count); rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_symlinks); + cifs_stats_inc(&tcon->stats.cifs_stats.num_symlinks); if (rc) cFYI(1, "Send error in SetPathInfo create symlink = %d", rc); @@ -2825,7 +2854,7 @@ createSymLinkRetry: } int -CIFSUnixCreateHardLink(const int xid, struct cifs_tcon *tcon, +CIFSUnixCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage, int remap) { @@ -2898,7 +2927,7 @@ createHardLinkRetry: pSMB->ByteCount = cpu_to_le16(byte_count); rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_hardlinks); + cifs_stats_inc(&tcon->stats.cifs_stats.num_hardlinks); if (rc) cFYI(1, "Send error in SetPathInfo (hard link) = %d", rc); @@ -2910,7 +2939,7 @@ createHardLinkRetry: } int -CIFSCreateHardLink(const int xid, struct cifs_tcon *tcon, +CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage, int remap) { @@ -2970,7 +2999,7 @@ winCreateHardLinkRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_hardlinks); + cifs_stats_inc(&tcon->stats.cifs_stats.num_hardlinks); if (rc) cFYI(1, "Send error in hard link (NT rename) = %d", rc); @@ -2982,7 +3011,7 @@ winCreateHardLinkRetry: } int -CIFSSMBUnixQuerySymLink(const int xid, struct cifs_tcon *tcon, +CIFSSMBUnixQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, char **symlinkinfo, const struct nls_table *nls_codepage) { @@ -3087,7 +3116,7 @@ querySymLinkRetry: * it is not compiled in by default until callers fixed up and more tested. */ int -CIFSSMBQueryReparseLinkInfo(const int xid, struct cifs_tcon *tcon, +CIFSSMBQueryReparseLinkInfo(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, char *symlinkinfo, const int buflen, __u16 fid, const struct nls_table *nls_codepage) @@ -3324,7 +3353,7 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL, } int -CIFSSMBGetPosixACL(const int xid, struct cifs_tcon *tcon, +CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, char *acl_inf, const int buflen, const int acl_type, const struct nls_table *nls_codepage, int remap) @@ -3388,7 +3417,7 @@ queryAclRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_acl_get); + cifs_stats_inc(&tcon->stats.cifs_stats.num_acl_get); if (rc) { cFYI(1, "Send error in Query POSIX ACL = %d", rc); } else { @@ -3413,7 +3442,7 @@ queryAclRetry: } int -CIFSSMBSetPosixACL(const int xid, struct cifs_tcon *tcon, +CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *fileName, const char *local_acl, const int buflen, const int acl_type, @@ -3493,7 +3522,7 @@ setACLerrorExit: /* BB fix tabs in this function FIXME BB */ int -CIFSGetExtAttr(const int xid, struct cifs_tcon *tcon, +CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon, const int netfid, __u64 *pExtAttrBits, __u64 *pMask) { int rc = 0; @@ -3668,7 +3697,7 @@ validate_ntransact(char *buf, char **ppparm, char **ppdata, /* Get Security Descriptor (by handle) from remote server for a file or dir */ int -CIFSSMBGetCIFSACL(const int xid, struct cifs_tcon *tcon, __u16 fid, +CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon, __u16 fid, struct cifs_ntsd **acl_inf, __u32 *pbuflen) { int rc = 0; @@ -3699,7 +3728,7 @@ CIFSSMBGetCIFSACL(const int xid, struct cifs_tcon *tcon, __u16 fid, rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovec */, &buf_type, 0); - cifs_stats_inc(&tcon->num_acl_get); + cifs_stats_inc(&tcon->stats.cifs_stats.num_acl_get); if (rc) { cFYI(1, "Send error in QuerySecDesc = %d", rc); } else { /* decode response */ @@ -3760,7 +3789,7 @@ qsec_out: } int -CIFSSMBSetCIFSACL(const int xid, struct cifs_tcon *tcon, __u16 fid, +CIFSSMBSetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon, __u16 fid, struct cifs_ntsd *pntsd, __u32 acllen, int aclflag) { __u16 byte_count, param_count, data_count, param_offset, data_offset; @@ -3824,10 +3853,10 @@ setCifsAclRetry: /* Legacy Query Path Information call for lookup to old servers such as Win9x/WinME */ -int SMBQueryInformation(const int xid, struct cifs_tcon *tcon, - const unsigned char *searchName, - FILE_ALL_INFO *pFinfo, - const struct nls_table *nls_codepage, int remap) +int +SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon, + const char *search_name, FILE_ALL_INFO *data, + const struct nls_table *nls_codepage, int remap) { QUERY_INFORMATION_REQ *pSMB; QUERY_INFORMATION_RSP *pSMBr; @@ -3835,7 +3864,7 @@ int SMBQueryInformation(const int xid, struct cifs_tcon *tcon, int bytes_returned; int name_len; - cFYI(1, "In SMBQPath path %s", searchName); + cFYI(1, "In SMBQPath path %s", search_name); QInfRetry: rc = smb_init(SMB_COM_QUERY_INFORMATION, 0, tcon, (void **) &pSMB, (void **) &pSMBr); @@ -3845,14 +3874,14 @@ QInfRetry: if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) { name_len = cifsConvertToUTF16((__le16 *) pSMB->FileName, - searchName, PATH_MAX, nls_codepage, + search_name, PATH_MAX, nls_codepage, remap); name_len++; /* trailing null */ name_len *= 2; } else { - name_len = strnlen(searchName, PATH_MAX); + name_len = strnlen(search_name, PATH_MAX); name_len++; /* trailing null */ - strncpy(pSMB->FileName, searchName, name_len); + strncpy(pSMB->FileName, search_name, name_len); } pSMB->BufferFormat = 0x04; name_len++; /* account for buffer type byte */ @@ -3863,23 +3892,23 @@ QInfRetry: (struct smb_hdr *) pSMBr, &bytes_returned, 0); if (rc) { cFYI(1, "Send error in QueryInfo = %d", rc); - } else if (pFinfo) { + } else if (data) { struct timespec ts; __u32 time = le32_to_cpu(pSMBr->last_write_time); /* decode response */ /* BB FIXME - add time zone adjustment BB */ - memset(pFinfo, 0, sizeof(FILE_ALL_INFO)); + memset(data, 0, sizeof(FILE_ALL_INFO)); ts.tv_nsec = 0; ts.tv_sec = time; /* decode time fields */ - pFinfo->ChangeTime = cpu_to_le64(cifs_UnixTimeToNT(ts)); - pFinfo->LastWriteTime = pFinfo->ChangeTime; - pFinfo->LastAccessTime = 0; - pFinfo->AllocationSize = + data->ChangeTime = cpu_to_le64(cifs_UnixTimeToNT(ts)); + data->LastWriteTime = data->ChangeTime; + data->LastAccessTime = 0; + data->AllocationSize = cpu_to_le64(le32_to_cpu(pSMBr->size)); - pFinfo->EndOfFile = pFinfo->AllocationSize; - pFinfo->Attributes = + data->EndOfFile = data->AllocationSize; + data->Attributes = cpu_to_le32(le16_to_cpu(pSMBr->attr)); } else rc = -EIO; /* bad buffer passed in */ @@ -3893,7 +3922,7 @@ QInfRetry: } int -CIFSSMBQFileInfo(const int xid, struct cifs_tcon *tcon, +CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, u16 netfid, FILE_ALL_INFO *pFindData) { struct smb_t2_qfi_req *pSMB = NULL; @@ -3960,13 +3989,12 @@ QFileInfoRetry: } int -CIFSSMBQPathInfo(const int xid, struct cifs_tcon *tcon, - const unsigned char *searchName, - FILE_ALL_INFO *pFindData, +CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon, + const char *search_name, FILE_ALL_INFO *data, int legacy /* old style infolevel */, const struct nls_table *nls_codepage, int remap) { -/* level 263 SMB_QUERY_FILE_ALL_INFO */ + /* level 263 SMB_QUERY_FILE_ALL_INFO */ TRANSACTION2_QPI_REQ *pSMB = NULL; TRANSACTION2_QPI_RSP *pSMBr = NULL; int rc = 0; @@ -3974,7 +4002,7 @@ CIFSSMBQPathInfo(const int xid, struct cifs_tcon *tcon, int name_len; __u16 params, byte_count; -/* cFYI(1, "In QPathInfo path %s", searchName); */ + /* cFYI(1, "In QPathInfo path %s", search_name); */ QPathInfoRetry: rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB, (void **) &pSMBr); @@ -3983,14 +4011,14 @@ QPathInfoRetry: if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) { name_len = - cifsConvertToUTF16((__le16 *) pSMB->FileName, searchName, + cifsConvertToUTF16((__le16 *) pSMB->FileName, search_name, PATH_MAX, nls_codepage, remap); name_len++; /* trailing null */ name_len *= 2; } else { /* BB improve the check for buffer overruns BB */ - name_len = strnlen(searchName, PATH_MAX); + name_len = strnlen(search_name, PATH_MAX); name_len++; /* trailing null */ - strncpy(pSMB->FileName, searchName, name_len); + strncpy(pSMB->FileName, search_name, name_len); } params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */; @@ -4035,20 +4063,21 @@ QPathInfoRetry: else if (legacy && get_bcc(&pSMBr->hdr) < 24) rc = -EIO; /* 24 or 26 expected but we do not read last field */ - else if (pFindData) { + else if (data) { int size; __u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset); - /* On legacy responses we do not read the last field, - EAsize, fortunately since it varies by subdialect and - also note it differs on Set vs. Get, ie two bytes or 4 - bytes depending but we don't care here */ + /* + * On legacy responses we do not read the last field, + * EAsize, fortunately since it varies by subdialect and + * also note it differs on Set vs Get, ie two bytes or 4 + * bytes depending but we don't care here. + */ if (legacy) size = sizeof(FILE_INFO_STANDARD); else size = sizeof(FILE_ALL_INFO); - memcpy((char *) pFindData, - (char *) &pSMBr->hdr.Protocol + + memcpy((char *) data, (char *) &pSMBr->hdr.Protocol + data_offset, size); } else rc = -ENOMEM; @@ -4061,7 +4090,7 @@ QPathInfoRetry: } int -CIFSSMBUnixQFileInfo(const int xid, struct cifs_tcon *tcon, +CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, u16 netfid, FILE_UNIX_BASIC_INFO *pFindData) { struct smb_t2_qfi_req *pSMB = NULL; @@ -4109,7 +4138,7 @@ UnixQFileInfoRetry: rc = validate_t2((struct smb_t2_rsp *)pSMBr); if (rc || get_bcc(&pSMBr->hdr) < sizeof(FILE_UNIX_BASIC_INFO)) { - cERROR(1, "Malformed FILE_UNIX_BASIC_INFO response.\n" + cERROR(1, "Malformed FILE_UNIX_BASIC_INFO response. " "Unix Extensions can be disabled on mount " "by specifying the nosfu mount option."); rc = -EIO; /* bad smb */ @@ -4130,7 +4159,7 @@ UnixQFileInfoRetry: } int -CIFSSMBUnixQPathInfo(const int xid, struct cifs_tcon *tcon, +CIFSSMBUnixQPathInfo(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, FILE_UNIX_BASIC_INFO *pFindData, const struct nls_table *nls_codepage, int remap) @@ -4195,7 +4224,7 @@ UnixQPathInfoRetry: rc = validate_t2((struct smb_t2_rsp *)pSMBr); if (rc || get_bcc(&pSMBr->hdr) < sizeof(FILE_UNIX_BASIC_INFO)) { - cERROR(1, "Malformed FILE_UNIX_BASIC_INFO response.\n" + cERROR(1, "Malformed FILE_UNIX_BASIC_INFO response. " "Unix Extensions can be disabled on mount " "by specifying the nosfu mount option."); rc = -EIO; /* bad smb */ @@ -4216,7 +4245,7 @@ UnixQPathInfoRetry: /* xid, tcon, searchName and codepage are input parms, rest are returned */ int -CIFSFindFirst(const int xid, struct cifs_tcon *tcon, +CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon, const char *searchName, const struct nls_table *nls_codepage, __u16 *pnetfid, __u16 search_flags, @@ -4301,7 +4330,7 @@ findFirstRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_ffirst); + cifs_stats_inc(&tcon->stats.cifs_stats.num_ffirst); if (rc) {/* BB add logic to retry regular search if Unix search rejected unexpectedly by server */ @@ -4361,8 +4390,9 @@ findFirstRetry: return rc; } -int CIFSFindNext(const int xid, struct cifs_tcon *tcon, __u16 searchHandle, - __u16 search_flags, struct cifs_search_info *psrch_inf) +int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon, + __u16 searchHandle, __u16 search_flags, + struct cifs_search_info *psrch_inf) { TRANSACTION2_FNEXT_REQ *pSMB = NULL; TRANSACTION2_FNEXT_RSP *pSMBr = NULL; @@ -4427,7 +4457,7 @@ int CIFSFindNext(const int xid, struct cifs_tcon *tcon, __u16 searchHandle, rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - cifs_stats_inc(&tcon->num_fnext); + cifs_stats_inc(&tcon->stats.cifs_stats.num_fnext); if (rc) { if (rc == -EBADF) { psrch_inf->endOfSearch = true; @@ -4496,7 +4526,7 @@ FNext2_err_exit: } int -CIFSFindClose(const int xid, struct cifs_tcon *tcon, +CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon, const __u16 searchHandle) { int rc = 0; @@ -4518,7 +4548,7 @@ CIFSFindClose(const int xid, struct cifs_tcon *tcon, if (rc) cERROR(1, "Send error in FindClose = %d", rc); - cifs_stats_inc(&tcon->num_fclose); + cifs_stats_inc(&tcon->stats.cifs_stats.num_fclose); /* Since session is dead, search handle closed on server already */ if (rc == -EAGAIN) @@ -4528,9 +4558,8 @@ CIFSFindClose(const int xid, struct cifs_tcon *tcon, } int -CIFSGetSrvInodeNumber(const int xid, struct cifs_tcon *tcon, - const unsigned char *searchName, - __u64 *inode_number, +CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon, + const char *search_name, __u64 *inode_number, const struct nls_table *nls_codepage, int remap) { int rc = 0; @@ -4539,7 +4568,7 @@ CIFSGetSrvInodeNumber(const int xid, struct cifs_tcon *tcon, int name_len, bytes_returned; __u16 params, byte_count; - cFYI(1, "In GetSrvInodeNum for %s", searchName); + cFYI(1, "In GetSrvInodeNum for %s", search_name); if (tcon == NULL) return -ENODEV; @@ -4552,14 +4581,14 @@ GetInodeNumberRetry: if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) { name_len = cifsConvertToUTF16((__le16 *) pSMB->FileName, - searchName, PATH_MAX, nls_codepage, + search_name, PATH_MAX, nls_codepage, remap); name_len++; /* trailing null */ name_len *= 2; } else { /* BB improve the check for buffer overruns BB */ - name_len = strnlen(searchName, PATH_MAX); + name_len = strnlen(search_name, PATH_MAX); name_len++; /* trailing null */ - strncpy(pSMB->FileName, searchName, name_len); + strncpy(pSMB->FileName, search_name, name_len); } params = 2 /* level */ + 4 /* rsrvd */ + name_len /* incl null */ ; @@ -4647,7 +4676,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, if (*num_of_nodes < 1) { cERROR(1, "num_referrals: must be at least > 0," - "but we get num_referrals = %d\n", *num_of_nodes); + "but we get num_referrals = %d", *num_of_nodes); rc = -EINVAL; goto parse_DFS_referrals_exit; } @@ -4664,14 +4693,14 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, data_end = (char *)(&(pSMBr->PathConsumed)) + le16_to_cpu(pSMBr->t2.DataCount); - cFYI(1, "num_referrals: %d dfs flags: 0x%x ...\n", + cFYI(1, "num_referrals: %d dfs flags: 0x%x ...", *num_of_nodes, le32_to_cpu(pSMBr->DFSFlags)); *target_nodes = kzalloc(sizeof(struct dfs_info3_param) * *num_of_nodes, GFP_KERNEL); if (*target_nodes == NULL) { - cERROR(1, "Failed to allocate buffer for target_nodes\n"); + cERROR(1, "Failed to allocate buffer for target_nodes"); rc = -ENOMEM; goto parse_DFS_referrals_exit; } @@ -4735,9 +4764,8 @@ parse_DFS_referrals_exit: } int -CIFSGetDFSRefer(const int xid, struct cifs_ses *ses, - const unsigned char *searchName, - struct dfs_info3_param **target_nodes, +CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses, + const char *search_name, struct dfs_info3_param **target_nodes, unsigned int *num_of_nodes, const struct nls_table *nls_codepage, int remap) { @@ -4751,7 +4779,7 @@ CIFSGetDFSRefer(const int xid, struct cifs_ses *ses, *num_of_nodes = 0; *target_nodes = NULL; - cFYI(1, "In GetDFSRefer the path %s", searchName); + cFYI(1, "In GetDFSRefer the path %s", search_name); if (ses == NULL) return -ENODEV; getDFSRetry: @@ -4774,14 +4802,14 @@ getDFSRetry: pSMB->hdr.Flags2 |= SMBFLG2_UNICODE; name_len = cifsConvertToUTF16((__le16 *) pSMB->RequestFileName, - searchName, PATH_MAX, nls_codepage, + search_name, PATH_MAX, nls_codepage, remap); name_len++; /* trailing null */ name_len *= 2; } else { /* BB improve the check for buffer overruns BB */ - name_len = strnlen(searchName, PATH_MAX); + name_len = strnlen(search_name, PATH_MAX); name_len++; /* trailing null */ - strncpy(pSMB->RequestFileName, searchName, name_len); + strncpy(pSMB->RequestFileName, search_name, name_len); } if (ses->server) { @@ -4837,7 +4865,7 @@ getDFSRetry: /* parse returned result into more usable form */ rc = parse_DFS_referrals(pSMBr, num_of_nodes, target_nodes, nls_codepage, remap, - searchName); + search_name); GetDFSRefExit: cifs_buf_release(pSMB); @@ -4850,7 +4878,8 @@ GetDFSRefExit: /* Query File System Info such as free space to old servers such as Win 9x */ int -SMBOldQFSInfo(const int xid, struct cifs_tcon *tcon, struct kstatfs *FSData) +SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, + struct kstatfs *FSData) { /* level 0x01 SMB_QUERY_FILE_SYSTEM_INFO */ TRANSACTION2_QFSI_REQ *pSMB = NULL; @@ -4929,7 +4958,8 @@ oldQFSInfoRetry: } int -CIFSSMBQFSInfo(const int xid, struct cifs_tcon *tcon, struct kstatfs *FSData) +CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, + struct kstatfs *FSData) { /* level 0x103 SMB_QUERY_FILE_SYSTEM_INFO */ TRANSACTION2_QFSI_REQ *pSMB = NULL; @@ -5008,7 +5038,7 @@ QFSInfoRetry: } int -CIFSSMBQFSAttributeInfo(const int xid, struct cifs_tcon *tcon) +CIFSSMBQFSAttributeInfo(const unsigned int xid, struct cifs_tcon *tcon) { /* level 0x105 SMB_QUERY_FILE_SYSTEM_INFO */ TRANSACTION2_QFSI_REQ *pSMB = NULL; @@ -5078,7 +5108,7 @@ QFSAttributeRetry: } int -CIFSSMBQFSDeviceInfo(const int xid, struct cifs_tcon *tcon) +CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon) { /* level 0x104 SMB_QUERY_FILE_SYSTEM_INFO */ TRANSACTION2_QFSI_REQ *pSMB = NULL; @@ -5149,7 +5179,7 @@ QFSDeviceRetry: } int -CIFSSMBQFSUnixInfo(const int xid, struct cifs_tcon *tcon) +CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon) { /* level 0x200 SMB_QUERY_CIFS_UNIX_INFO */ TRANSACTION2_QFSI_REQ *pSMB = NULL; @@ -5219,7 +5249,7 @@ QFSUnixRetry: } int -CIFSSMBSetFSUnixInfo(const int xid, struct cifs_tcon *tcon, __u64 cap) +CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon, __u64 cap) { /* level 0x200 SMB_SET_CIFS_UNIX_INFO */ TRANSACTION2_SETFSI_REQ *pSMB = NULL; @@ -5293,7 +5323,7 @@ SETFSUnixRetry: int -CIFSSMBQFSPosixInfo(const int xid, struct cifs_tcon *tcon, +CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon, struct kstatfs *FSData) { /* level 0x201 SMB_QUERY_CIFS_POSIX_INFO */ @@ -5386,8 +5416,8 @@ QFSPosixRetry: in Samba which this routine can run into */ int -CIFSSMBSetEOF(const int xid, struct cifs_tcon *tcon, const char *fileName, - __u64 size, bool SetAllocation, +CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon, + const char *fileName, __u64 size, bool SetAllocation, const struct nls_table *nls_codepage, int remap) { struct smb_com_transaction2_spi_req *pSMB = NULL; @@ -5475,7 +5505,7 @@ SetEOFRetry: } int -CIFSSMBSetFileSize(const int xid, struct cifs_tcon *tcon, __u64 size, +CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon, __u64 size, __u16 fid, __u32 pid_of_opener, bool SetAllocation) { struct smb_com_transaction2_sfi_req *pSMB = NULL; @@ -5557,7 +5587,7 @@ CIFSSMBSetFileSize(const int xid, struct cifs_tcon *tcon, __u64 size, time and resort to the original setpathinfo level which takes the ancient DOS time format with 2 second granularity */ int -CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon, +CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon, const FILE_BASIC_INFO *data, __u16 fid, __u32 pid_of_opener) { struct smb_com_transaction2_sfi_req *pSMB = NULL; @@ -5620,7 +5650,7 @@ CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon, } int -CIFSSMBSetFileDisposition(const int xid, struct cifs_tcon *tcon, +CIFSSMBSetFileDisposition(const unsigned int xid, struct cifs_tcon *tcon, bool delete_file, __u16 fid, __u32 pid_of_opener) { struct smb_com_transaction2_sfi_req *pSMB = NULL; @@ -5676,7 +5706,7 @@ CIFSSMBSetFileDisposition(const int xid, struct cifs_tcon *tcon, } int -CIFSSMBSetPathInfo(const int xid, struct cifs_tcon *tcon, +CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon, const char *fileName, const FILE_BASIC_INFO *data, const struct nls_table *nls_codepage, int remap) { @@ -5760,7 +5790,7 @@ SetTimesRetry: handling it anyway and NT4 was what we thought it would be needed for Do not delete it until we prove whether needed for Win9x though */ int -CIFSSMBSetAttrLegacy(int xid, struct cifs_tcon *tcon, char *fileName, +CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon, char *fileName, __u16 dos_attrs, const struct nls_table *nls_codepage) { SETATTR_REQ *pSMB = NULL; @@ -5848,7 +5878,7 @@ cifs_fill_unix_set_info(FILE_UNIX_BASIC_INFO *data_offset, } int -CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon, +CIFSSMBUnixSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon, const struct cifs_unix_set_info_args *args, u16 fid, u32 pid_of_opener) { @@ -5912,7 +5942,8 @@ CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon, } int -CIFSSMBUnixSetPathInfo(const int xid, struct cifs_tcon *tcon, char *fileName, +CIFSSMBUnixSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon, + char *fileName, const struct cifs_unix_set_info_args *args, const struct nls_table *nls_codepage, int remap) { @@ -5999,7 +6030,7 @@ setPermsRetry: * the data isn't copied to it, but the length is returned. */ ssize_t -CIFSSMBQAllEAs(const int xid, struct cifs_tcon *tcon, +CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, const unsigned char *ea_name, char *EAData, size_t buf_size, const struct nls_table *nls_codepage, int remap) @@ -6182,8 +6213,8 @@ QAllEAsOut: } int -CIFSSMBSetEA(const int xid, struct cifs_tcon *tcon, const char *fileName, - const char *ea_name, const void *ea_value, +CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon, + const char *fileName, const char *ea_name, const void *ea_value, const __u16 ea_value_len, const struct nls_table *nls_codepage, int remap) { @@ -6309,7 +6340,7 @@ SetEARetry: * incompatible for network fs clients, we could instead simply * expose this config flag by adding a future cifs (and smb2) notify ioctl. */ -int CIFSSMBNotify(const int xid, struct cifs_tcon *tcon, +int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon, const int notify_subdirs, const __u16 netfid, __u32 filter, struct file *pfile, int multishot, const struct nls_table *nls_codepage) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 78db68a5cf44..6df6fa14cba8 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -56,9 +56,6 @@ #define CIFS_PORT 445 #define RFC1001_PORT 139 -/* SMB echo "timeout" -- FIXME: tunable? */ -#define SMB_ECHO_INTERVAL (60 * HZ) - extern mempool_t *cifs_req_poolp; /* FIXME: should these be tunable? */ @@ -238,8 +235,8 @@ static const match_table_t cifs_mount_option_tokens = { enum { Opt_sec_krb5, Opt_sec_krb5i, Opt_sec_krb5p, Opt_sec_ntlmsspi, Opt_sec_ntlmssp, - Opt_ntlm, Opt_sec_ntlmi, Opt_sec_ntlmv2i, - Opt_sec_nontlm, Opt_sec_lanman, + Opt_ntlm, Opt_sec_ntlmi, Opt_sec_ntlmv2, + Opt_sec_ntlmv2i, Opt_sec_lanman, Opt_sec_none, Opt_sec_err @@ -253,8 +250,9 @@ static const match_table_t cifs_secflavor_tokens = { { Opt_sec_ntlmssp, "ntlmssp" }, { Opt_ntlm, "ntlm" }, { Opt_sec_ntlmi, "ntlmi" }, + { Opt_sec_ntlmv2, "nontlm" }, + { Opt_sec_ntlmv2, "ntlmv2" }, { Opt_sec_ntlmv2i, "ntlmv2i" }, - { Opt_sec_nontlm, "nontlm" }, { Opt_sec_lanman, "lanman" }, { Opt_sec_none, "none" }, @@ -296,7 +294,7 @@ static int cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data, * reconnect tcp session * wake up waiters on reconnection? - (not needed currently) */ -static int +int cifs_reconnect(struct TCP_Server_Info *server) { int rc = 0; @@ -316,6 +314,9 @@ cifs_reconnect(struct TCP_Server_Info *server) server->tcpStatus = CifsNeedReconnect; spin_unlock(&GlobalMid_Lock); server->maxBuf = 0; +#ifdef CONFIG_CIFS_SMB2 + server->max_read = 0; +#endif cFYI(1, "Reconnecting tcp session"); @@ -394,143 +395,6 @@ cifs_reconnect(struct TCP_Server_Info *server) return rc; } -/* - return codes: - 0 not a transact2, or all data present - >0 transact2 with that much data missing - -EINVAL = invalid transact2 - - */ -static int check2ndT2(char *buf) -{ - struct smb_hdr *pSMB = (struct smb_hdr *)buf; - struct smb_t2_rsp *pSMBt; - int remaining; - __u16 total_data_size, data_in_this_rsp; - - if (pSMB->Command != SMB_COM_TRANSACTION2) - return 0; - - /* check for plausible wct, bcc and t2 data and parm sizes */ - /* check for parm and data offset going beyond end of smb */ - if (pSMB->WordCount != 10) { /* coalesce_t2 depends on this */ - cFYI(1, "invalid transact2 word count"); - return -EINVAL; - } - - pSMBt = (struct smb_t2_rsp *)pSMB; - - total_data_size = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount); - data_in_this_rsp = get_unaligned_le16(&pSMBt->t2_rsp.DataCount); - - if (total_data_size == data_in_this_rsp) - return 0; - else if (total_data_size < data_in_this_rsp) { - cFYI(1, "total data %d smaller than data in frame %d", - total_data_size, data_in_this_rsp); - return -EINVAL; - } - - remaining = total_data_size - data_in_this_rsp; - - cFYI(1, "missing %d bytes from transact2, check next response", - remaining); - if (total_data_size > CIFSMaxBufSize) { - cERROR(1, "TotalDataSize %d is over maximum buffer %d", - total_data_size, CIFSMaxBufSize); - return -EINVAL; - } - return remaining; -} - -static int coalesce_t2(char *second_buf, struct smb_hdr *target_hdr) -{ - struct smb_t2_rsp *pSMBs = (struct smb_t2_rsp *)second_buf; - struct smb_t2_rsp *pSMBt = (struct smb_t2_rsp *)target_hdr; - char *data_area_of_tgt; - char *data_area_of_src; - int remaining; - unsigned int byte_count, total_in_tgt; - __u16 tgt_total_cnt, src_total_cnt, total_in_src; - - src_total_cnt = get_unaligned_le16(&pSMBs->t2_rsp.TotalDataCount); - tgt_total_cnt = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount); - - if (tgt_total_cnt != src_total_cnt) - cFYI(1, "total data count of primary and secondary t2 differ " - "source=%hu target=%hu", src_total_cnt, tgt_total_cnt); - - total_in_tgt = get_unaligned_le16(&pSMBt->t2_rsp.DataCount); - - remaining = tgt_total_cnt - total_in_tgt; - - if (remaining < 0) { - cFYI(1, "Server sent too much data. tgt_total_cnt=%hu " - "total_in_tgt=%hu", tgt_total_cnt, total_in_tgt); - return -EPROTO; - } - - if (remaining == 0) { - /* nothing to do, ignore */ - cFYI(1, "no more data remains"); - return 0; - } - - total_in_src = get_unaligned_le16(&pSMBs->t2_rsp.DataCount); - if (remaining < total_in_src) - cFYI(1, "transact2 2nd response contains too much data"); - - /* find end of first SMB data area */ - data_area_of_tgt = (char *)&pSMBt->hdr.Protocol + - get_unaligned_le16(&pSMBt->t2_rsp.DataOffset); - - /* validate target area */ - data_area_of_src = (char *)&pSMBs->hdr.Protocol + - get_unaligned_le16(&pSMBs->t2_rsp.DataOffset); - - data_area_of_tgt += total_in_tgt; - - total_in_tgt += total_in_src; - /* is the result too big for the field? */ - if (total_in_tgt > USHRT_MAX) { - cFYI(1, "coalesced DataCount too large (%u)", total_in_tgt); - return -EPROTO; - } - put_unaligned_le16(total_in_tgt, &pSMBt->t2_rsp.DataCount); - - /* fix up the BCC */ - byte_count = get_bcc(target_hdr); - byte_count += total_in_src; - /* is the result too big for the field? */ - if (byte_count > USHRT_MAX) { - cFYI(1, "coalesced BCC too large (%u)", byte_count); - return -EPROTO; - } - put_bcc(byte_count, target_hdr); - - byte_count = be32_to_cpu(target_hdr->smb_buf_length); - byte_count += total_in_src; - /* don't allow buffer to overflow */ - if (byte_count > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) { - cFYI(1, "coalesced BCC exceeds buffer size (%u)", byte_count); - return -ENOBUFS; - } - target_hdr->smb_buf_length = cpu_to_be32(byte_count); - - /* copy second buffer into end of first buffer */ - memcpy(data_area_of_tgt, data_area_of_src, total_in_src); - - if (remaining != total_in_src) { - /* more responses to go */ - cFYI(1, "waiting for more secondary responses"); - return 1; - } - - /* we are done */ - cFYI(1, "found the last secondary response"); - return 0; -} - static void cifs_echo_request(struct work_struct *work) { @@ -539,15 +403,17 @@ cifs_echo_request(struct work_struct *work) struct TCP_Server_Info, echo.work); /* - * We cannot send an echo until the NEGOTIATE_PROTOCOL request is - * done, which is indicated by maxBuf != 0. Also, no need to ping if - * we got a response recently + * We cannot send an echo if it is disabled or until the + * NEGOTIATE_PROTOCOL request is done, which is indicated by + * server->ops->need_neg() == true. Also, no need to ping if + * we got a response recently. */ - if (server->maxBuf == 0 || + if (!server->ops->need_neg || server->ops->need_neg(server) || + (server->ops->can_echo && !server->ops->can_echo(server)) || time_before(jiffies, server->lstrp + SMB_ECHO_INTERVAL - HZ)) goto requeue_echo; - rc = CIFSSMBEcho(server); + rc = server->ops->echo ? server->ops->echo(server) : -ENOSYS; if (rc) cFYI(1, "Unable to send echo request to server: %s", server->hostname); @@ -803,29 +669,9 @@ static void handle_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server, char *buf, int malformed) { - if (malformed == 0 && check2ndT2(buf) > 0) { - mid->multiRsp = true; - if (mid->resp_buf) { - /* merge response - fix up 1st*/ - malformed = coalesce_t2(buf, mid->resp_buf); - if (malformed > 0) - return; - - /* All parts received or packet is malformed. */ - mid->multiEnd = true; - return dequeue_mid(mid, malformed); - } - if (!server->large_buf) { - /*FIXME: switch to already allocated largebuf?*/ - cERROR(1, "1st trans2 resp needs bigbuf"); - } else { - /* Have first buffer */ - mid->resp_buf = buf; - mid->large_buf = true; - server->bigbuf = NULL; - } + if (server->ops->check_trans2 && + server->ops->check_trans2(mid, server, buf, malformed)) return; - } mid->resp_buf = buf; mid->large_buf = server->large_buf; /* Was previous buf put in mpx struct for multi-rsp? */ @@ -1167,7 +1013,7 @@ static int cifs_parse_security_flavors(char *value, case Opt_sec_ntlmi: vol->secFlg |= CIFSSEC_MAY_NTLM | CIFSSEC_MUST_SIGN; break; - case Opt_sec_nontlm: + case Opt_sec_ntlmv2: vol->secFlg |= CIFSSEC_MAY_NTLMV2; break; case Opt_sec_ntlmv2i: @@ -1653,24 +1499,26 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, * If yes, we have encountered a double deliminator * reset the NULL character to the deliminator */ - if (tmp_end < end && tmp_end[1] == delim) + if (tmp_end < end && tmp_end[1] == delim) { tmp_end[0] = delim; - /* Keep iterating until we get to a single deliminator - * OR the end - */ - while ((tmp_end = strchr(tmp_end, delim)) != NULL && - (tmp_end[1] == delim)) { - tmp_end = (char *) &tmp_end[2]; - } + /* Keep iterating until we get to a single + * deliminator OR the end + */ + while ((tmp_end = strchr(tmp_end, delim)) + != NULL && (tmp_end[1] == delim)) { + tmp_end = (char *) &tmp_end[2]; + } - /* Reset var options to point to next element */ - if (tmp_end) { - tmp_end[0] = '\0'; - options = (char *) &tmp_end[1]; - } else - /* Reached the end of the mount option string */ - options = end; + /* Reset var options to point to next element */ + if (tmp_end) { + tmp_end[0] = '\0'; + options = (char *) &tmp_end[1]; + } else + /* Reached the end of the mount option + * string */ + options = end; + } /* Now build new password string */ temp_len = strlen(value); @@ -2407,10 +2255,10 @@ cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb_vol *vol) static void cifs_put_smb_ses(struct cifs_ses *ses) { - int xid; + unsigned int xid; struct TCP_Server_Info *server = ses->server; - cFYI(1, "%s: ses_count=%d\n", __func__, ses->ses_count); + cFYI(1, "%s: ses_count=%d", __func__, ses->ses_count); spin_lock(&cifs_tcp_ses_lock); if (--ses->ses_count > 0) { spin_unlock(&cifs_tcp_ses_lock); @@ -2420,10 +2268,10 @@ cifs_put_smb_ses(struct cifs_ses *ses) list_del_init(&ses->smb_ses_list); spin_unlock(&cifs_tcp_ses_lock); - if (ses->status == CifsGood) { - xid = GetXid(); - CIFSSMBLogoff(xid, ses); - _FreeXid(xid); + if (ses->status == CifsGood && server->ops->logoff) { + xid = get_xid(); + server->ops->logoff(xid, ses); + _free_xid(xid); } sesInfoFree(ses); cifs_put_tcp_session(server); @@ -2560,12 +2408,13 @@ static bool warned_on_ntlm; /* globals init to false automatically */ static struct cifs_ses * cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) { - int rc = -ENOMEM, xid; + int rc = -ENOMEM; + unsigned int xid; struct cifs_ses *ses; struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; - xid = GetXid(); + xid = get_xid(); ses = cifs_find_smb_ses(server, volume_info); if (ses) { @@ -2577,7 +2426,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) mutex_unlock(&ses->session_mutex); /* problem -- put our ses reference */ cifs_put_smb_ses(ses); - FreeXid(xid); + free_xid(xid); return ERR_PTR(rc); } if (ses->need_reconnect) { @@ -2588,7 +2437,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) mutex_unlock(&ses->session_mutex); /* problem -- put our reference */ cifs_put_smb_ses(ses); - FreeXid(xid); + free_xid(xid); return ERR_PTR(rc); } } @@ -2596,7 +2445,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) /* existing SMB ses has a server reference already */ cifs_put_tcp_session(server); - FreeXid(xid); + free_xid(xid); return ses; } @@ -2655,12 +2504,12 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) list_add(&ses->smb_ses_list, &server->smb_ses_list); spin_unlock(&cifs_tcp_ses_lock); - FreeXid(xid); + free_xid(xid); return ses; get_ses_fail: sesInfoFree(ses); - FreeXid(xid); + free_xid(xid); return ERR_PTR(rc); } @@ -2695,10 +2544,10 @@ cifs_find_tcon(struct cifs_ses *ses, const char *unc) static void cifs_put_tcon(struct cifs_tcon *tcon) { - int xid; + unsigned int xid; struct cifs_ses *ses = tcon->ses; - cFYI(1, "%s: tc_count=%d\n", __func__, tcon->tc_count); + cFYI(1, "%s: tc_count=%d", __func__, tcon->tc_count); spin_lock(&cifs_tcp_ses_lock); if (--tcon->tc_count > 0) { spin_unlock(&cifs_tcp_ses_lock); @@ -2708,9 +2557,10 @@ cifs_put_tcon(struct cifs_tcon *tcon) list_del_init(&tcon->tcon_list); spin_unlock(&cifs_tcp_ses_lock); - xid = GetXid(); - CIFSSMBTDis(xid, tcon); - _FreeXid(xid); + xid = get_xid(); + if (ses->server->ops->tree_disconnect) + ses->server->ops->tree_disconnect(xid, tcon); + _free_xid(xid); cifs_fscache_release_super_cookie(tcon); tconInfoFree(tcon); @@ -2734,6 +2584,11 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info) return tcon; } + if (!ses->server->ops->tree_connect) { + rc = -ENOSYS; + goto out_fail; + } + tcon = tconInfoAlloc(); if (tcon == NULL) { rc = -ENOMEM; @@ -2756,13 +2611,15 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info) goto out_fail; } - /* BB Do we need to wrap session_mutex around - * this TCon call and Unix SetFS as - * we do on SessSetup and reconnect? */ - xid = GetXid(); - rc = CIFSTCon(xid, ses, volume_info->UNC, tcon, volume_info->local_nls); - FreeXid(xid); - cFYI(1, "CIFS Tcon rc = %d", rc); + /* + * BB Do we need to wrap session_mutex around this TCon call and Unix + * SetFS as we do on SessSetup and reconnect? + */ + xid = get_xid(); + rc = ses->server->ops->tree_connect(xid, ses, volume_info->UNC, tcon, + volume_info->local_nls); + free_xid(xid); + cFYI(1, "Tcon rc = %d", rc); if (rc) goto out_fail; @@ -2771,10 +2628,11 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info) cFYI(1, "DFS disabled (%d)", tcon->Flags); } tcon->seal = volume_info->seal; - /* we can have only one retry value for a connection - to a share so for resources mounted more than once - to the same server share the last value passed in - for the retry flag is used */ + /* + * We can have only one retry value for a connection to a share so for + * resources mounted more than once to the same server share the last + * value passed in for the retry flag is used. + */ tcon->retry = volume_info->retry; tcon->nocase = volume_info->nocase; tcon->local_lease = volume_info->local_lease; @@ -2908,37 +2766,42 @@ out: } int -get_dfs_path(int xid, struct cifs_ses *pSesInfo, const char *old_path, - const struct nls_table *nls_codepage, unsigned int *pnum_referrals, - struct dfs_info3_param **preferrals, int remap) +get_dfs_path(const unsigned int xid, struct cifs_ses *ses, const char *old_path, + const struct nls_table *nls_codepage, unsigned int *num_referrals, + struct dfs_info3_param **referrals, int remap) { char *temp_unc; int rc = 0; - *pnum_referrals = 0; - *preferrals = NULL; + if (!ses->server->ops->tree_connect || !ses->server->ops->get_dfs_refer) + return -ENOSYS; + + *num_referrals = 0; + *referrals = NULL; - if (pSesInfo->ipc_tid == 0) { + if (ses->ipc_tid == 0) { temp_unc = kmalloc(2 /* for slashes */ + - strnlen(pSesInfo->serverName, - SERVER_NAME_LEN_WITH_NULL * 2) - + 1 + 4 /* slash IPC$ */ + 2, - GFP_KERNEL); + strnlen(ses->serverName, SERVER_NAME_LEN_WITH_NULL * 2) + + 1 + 4 /* slash IPC$ */ + 2, GFP_KERNEL); if (temp_unc == NULL) return -ENOMEM; temp_unc[0] = '\\'; temp_unc[1] = '\\'; - strcpy(temp_unc + 2, pSesInfo->serverName); - strcpy(temp_unc + 2 + strlen(pSesInfo->serverName), "\\IPC$"); - rc = CIFSTCon(xid, pSesInfo, temp_unc, NULL, nls_codepage); - cFYI(1, "CIFS Tcon rc = %d ipc_tid = %d", rc, pSesInfo->ipc_tid); + strcpy(temp_unc + 2, ses->serverName); + strcpy(temp_unc + 2 + strlen(ses->serverName), "\\IPC$"); + rc = ses->server->ops->tree_connect(xid, ses, temp_unc, NULL, + nls_codepage); + cFYI(1, "Tcon rc = %d ipc_tid = %d", rc, ses->ipc_tid); kfree(temp_unc); } if (rc == 0) - rc = CIFSGetDFSRefer(xid, pSesInfo, old_path, preferrals, - pnum_referrals, nls_codepage, remap); - /* BB map targetUNCs to dfs_info3 structures, here or - in CIFSGetDFSRefer BB */ + rc = ses->server->ops->get_dfs_refer(xid, ses, old_path, + referrals, num_referrals, + nls_codepage, remap); + /* + * BB - map targetUNCs to dfs_info3 structures, here or in + * ses->server->ops->get_dfs_refer. + */ return rc; } @@ -3007,11 +2870,11 @@ bind_socket(struct TCP_Server_Info *server) saddr6 = (struct sockaddr_in6 *)&server->srcaddr; if (saddr6->sin6_family == AF_INET6) cERROR(1, "cifs: " - "Failed to bind to: %pI6c, error: %d\n", + "Failed to bind to: %pI6c, error: %d", &saddr6->sin6_addr, rc); else cERROR(1, "cifs: " - "Failed to bind to: %pI4, error: %d\n", + "Failed to bind to: %pI4, error: %d", &saddr4->sin_addr.s_addr, rc); } } @@ -3207,7 +3070,7 @@ ip_connect(struct TCP_Server_Info *server) return generic_ip_connect(server); } -void reset_cifs_unix_caps(int xid, struct cifs_tcon *tcon, +void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon, struct cifs_sb_info *cifs_sb, struct smb_vol *vol_info) { /* if we are reconnecting then should we check to see if @@ -3302,9 +3165,9 @@ void reset_cifs_unix_caps(int xid, struct cifs_tcon *tcon, cFYI(1, "resetting capabilities failed"); } else cERROR(1, "Negotiating Unix capabilities " - "with the server failed. Consider " - "mounting with the Unix Extensions\n" - "disabled, if problems are found, " + "with the server failed. Consider " + "mounting with the Unix Extensions " + "disabled if problems are found " "by specifying the nounix mount " "option."); @@ -3443,6 +3306,18 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, #define CIFS_DEFAULT_NON_POSIX_RSIZE (60 * 1024) #define CIFS_DEFAULT_NON_POSIX_WSIZE (65536) +/* + * On hosts with high memory, we can't currently support wsize/rsize that are + * larger than we can kmap at once. Cap the rsize/wsize at + * LAST_PKMAP * PAGE_SIZE. We'll never be able to fill a read or write request + * larger than that anyway. + */ +#ifdef CONFIG_HIGHMEM +#define CIFS_KMAP_SIZE_LIMIT (LAST_PKMAP * PAGE_CACHE_SIZE) +#else /* CONFIG_HIGHMEM */ +#define CIFS_KMAP_SIZE_LIMIT (1<<24) +#endif /* CONFIG_HIGHMEM */ + static unsigned int cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info) { @@ -3473,6 +3348,9 @@ cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info) wsize = min_t(unsigned int, wsize, server->maxBuf - sizeof(WRITE_REQ) + 4); + /* limit to the amount that we can kmap at once */ + wsize = min_t(unsigned int, wsize, CIFS_KMAP_SIZE_LIMIT); + /* hard limit of CIFS_MAX_WSIZE */ wsize = min_t(unsigned int, wsize, CIFS_MAX_WSIZE); @@ -3493,18 +3371,15 @@ cifs_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info) * MS-CIFS indicates that servers are only limited by the client's * bufsize for reads, testing against win98se shows that it throws * INVALID_PARAMETER errors if you try to request too large a read. + * OS/2 just sends back short reads. * - * If the server advertises a MaxBufferSize of less than one page, - * assume that it also can't satisfy reads larger than that either. - * - * FIXME: Is there a better heuristic for this? + * If the server doesn't advertise CAP_LARGE_READ_X, then assume that + * it can't handle a read request larger than its MaxBufferSize either. */ if (tcon->unix_ext && (unix_cap & CIFS_UNIX_LARGE_READ_CAP)) defsize = CIFS_DEFAULT_IOSIZE; else if (server->capabilities & CAP_LARGE_READ_X) defsize = CIFS_DEFAULT_NON_POSIX_RSIZE; - else if (server->maxBuf >= PAGE_CACHE_SIZE) - defsize = CIFSMaxBufSize; else defsize = server->maxBuf - sizeof(READ_RSP); @@ -3517,36 +3392,15 @@ cifs_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info) if (!(server->capabilities & CAP_LARGE_READ_X)) rsize = min_t(unsigned int, CIFSMaxBufSize, rsize); + /* limit to the amount that we can kmap at once */ + rsize = min_t(unsigned int, rsize, CIFS_KMAP_SIZE_LIMIT); + /* hard limit of CIFS_MAX_RSIZE */ rsize = min_t(unsigned int, rsize, CIFS_MAX_RSIZE); return rsize; } -static int -is_path_accessible(int xid, struct cifs_tcon *tcon, - struct cifs_sb_info *cifs_sb, const char *full_path) -{ - int rc; - FILE_ALL_INFO *pfile_info; - - pfile_info = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL); - if (pfile_info == NULL) - return -ENOMEM; - - rc = CIFSSMBQPathInfo(xid, tcon, full_path, pfile_info, - 0 /* not legacy */, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - - if (rc == -EOPNOTSUPP || rc == -EINVAL) - rc = SMBQueryInformation(xid, tcon, full_path, pfile_info, - cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - kfree(pfile_info); - return rc; -} - static void cleanup_volume_info_contents(struct smb_vol *volume_info) { @@ -3610,7 +3464,7 @@ build_unc_path_to_root(const struct smb_vol *vol, * determine whether there were referrals. */ static int -expand_dfs_referral(int xid, struct cifs_ses *pSesInfo, +expand_dfs_referral(const unsigned int xid, struct cifs_ses *ses, struct smb_vol *volume_info, struct cifs_sb_info *cifs_sb, int check_prefix) { @@ -3626,7 +3480,7 @@ expand_dfs_referral(int xid, struct cifs_ses *pSesInfo, /* For DFS paths, skip the first '\' of the UNC */ ref_path = check_prefix ? full_path + 1 : volume_info->UNC + 1; - rc = get_dfs_path(xid, pSesInfo , ref_path, cifs_sb->local_nls, + rc = get_dfs_path(xid, ses, ref_path, cifs_sb->local_nls, &num_referrals, &referrals, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); @@ -3720,10 +3574,10 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info) { int rc; - int xid; - struct cifs_ses *pSesInfo; + unsigned int xid; + struct cifs_ses *ses; struct cifs_tcon *tcon; - struct TCP_Server_Info *srvTcp; + struct TCP_Server_Info *server; char *full_path; struct tcon_link *tlink; #ifdef CONFIG_CIFS_DFS_UPCALL @@ -3740,39 +3594,39 @@ try_mount_again: if (referral_walks_count) { if (tcon) cifs_put_tcon(tcon); - else if (pSesInfo) - cifs_put_smb_ses(pSesInfo); + else if (ses) + cifs_put_smb_ses(ses); - FreeXid(xid); + free_xid(xid); } #endif rc = 0; tcon = NULL; - pSesInfo = NULL; - srvTcp = NULL; + ses = NULL; + server = NULL; full_path = NULL; tlink = NULL; - xid = GetXid(); + xid = get_xid(); /* get a reference to a tcp session */ - srvTcp = cifs_get_tcp_session(volume_info); - if (IS_ERR(srvTcp)) { - rc = PTR_ERR(srvTcp); + server = cifs_get_tcp_session(volume_info); + if (IS_ERR(server)) { + rc = PTR_ERR(server); bdi_destroy(&cifs_sb->bdi); goto out; } /* get a reference to a SMB session */ - pSesInfo = cifs_get_smb_ses(srvTcp, volume_info); - if (IS_ERR(pSesInfo)) { - rc = PTR_ERR(pSesInfo); - pSesInfo = NULL; + ses = cifs_get_smb_ses(server, volume_info); + if (IS_ERR(ses)) { + rc = PTR_ERR(ses); + ses = NULL; goto mount_fail_check; } /* search for existing tcon to this server share */ - tcon = cifs_get_tcon(pSesInfo, volume_info); + tcon = cifs_get_tcon(ses, volume_info); if (IS_ERR(tcon)) { rc = PTR_ERR(tcon); tcon = NULL; @@ -3780,7 +3634,7 @@ try_mount_again: } /* tell server which Unix caps we support */ - if (tcon->ses->capabilities & CAP_UNIX) { + if (cap_unix(tcon->ses)) { /* reset of caps checks mount to see if unix extensions disabled for just this mount */ reset_cifs_unix_caps(xid, tcon, cifs_sb, volume_info); @@ -3793,11 +3647,9 @@ try_mount_again: } else tcon->unix_ext = 0; /* server does not support them */ - /* do not care if following two calls succeed - informational */ - if (!tcon->ipc) { - CIFSSMBQFSDeviceInfo(xid, tcon); - CIFSSMBQFSAttributeInfo(xid, tcon); - } + /* do not care if a following call succeed - informational */ + if (!tcon->ipc && server->ops->qfs_tcon) + server->ops->qfs_tcon(xid, tcon); cifs_sb->wsize = cifs_negotiate_wsize(tcon, volume_info); cifs_sb->rsize = cifs_negotiate_rsize(tcon, volume_info); @@ -3815,8 +3667,8 @@ remote_path_check: * Chase the referral if found, otherwise continue normally. */ if (referral_walks_count == 0) { - int refrc = expand_dfs_referral(xid, pSesInfo, volume_info, - cifs_sb, false); + int refrc = expand_dfs_referral(xid, ses, volume_info, cifs_sb, + false); if (!refrc) { referral_walks_count++; goto try_mount_again; @@ -3826,13 +3678,18 @@ remote_path_check: /* check if a whole path is not remote */ if (!rc && tcon) { + if (!server->ops->is_path_accessible) { + rc = -ENOSYS; + goto mount_fail_check; + } /* build_path_to_root works only when we have a valid tcon */ - full_path = cifs_build_path_to_root(volume_info, cifs_sb, tcon); + full_path = build_path_to_root(volume_info, cifs_sb, tcon); if (full_path == NULL) { rc = -ENOMEM; goto mount_fail_check; } - rc = is_path_accessible(xid, tcon, cifs_sb, full_path); + rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, + full_path); if (rc != 0 && rc != -EREMOTE) { kfree(full_path); goto mount_fail_check; @@ -3854,8 +3711,7 @@ remote_path_check: goto mount_fail_check; } - rc = expand_dfs_referral(xid, pSesInfo, volume_info, cifs_sb, - true); + rc = expand_dfs_referral(xid, ses, volume_info, cifs_sb, true); if (!rc) { referral_walks_count++; @@ -3877,7 +3733,7 @@ remote_path_check: goto mount_fail_check; } - tlink->tl_uid = pSesInfo->linux_uid; + tlink->tl_uid = ses->linux_uid; tlink->tl_tcon = tcon; tlink->tl_time = jiffies; set_bit(TCON_LINK_MASTER, &tlink->tl_flags); @@ -3898,15 +3754,15 @@ mount_fail_check: /* up accidentally freeing someone elses tcon struct */ if (tcon) cifs_put_tcon(tcon); - else if (pSesInfo) - cifs_put_smb_ses(pSesInfo); + else if (ses) + cifs_put_smb_ses(ses); else - cifs_put_tcp_session(srvTcp); + cifs_put_tcp_session(server); bdi_destroy(&cifs_sb->bdi); } out: - FreeXid(xid); + free_xid(xid); return rc; } @@ -3915,7 +3771,7 @@ out: * pointer may be NULL. */ int -CIFSTCon(unsigned int xid, struct cifs_ses *ses, +CIFSTCon(const unsigned int xid, struct cifs_ses *ses, const char *tree, struct cifs_tcon *tcon, const struct nls_table *nls_codepage) { @@ -4099,24 +3955,22 @@ cifs_umount(struct cifs_sb_info *cifs_sb) kfree(cifs_sb); } -int cifs_negotiate_protocol(unsigned int xid, struct cifs_ses *ses) +int +cifs_negotiate_protocol(const unsigned int xid, struct cifs_ses *ses) { int rc = 0; struct TCP_Server_Info *server = ses->server; + if (!server->ops->need_neg || !server->ops->negotiate) + return -ENOSYS; + /* only send once per connect */ - if (server->maxBuf != 0) + if (!server->ops->need_neg(server)) return 0; set_credits(server, 1); - rc = CIFSSMBNegotiate(xid, ses); - if (rc == -EAGAIN) { - /* retry only once on 1st time connection */ - set_credits(server, 1); - rc = CIFSSMBNegotiate(xid, ses); - if (rc == -EAGAIN) - rc = -EHOSTDOWN; - } + + rc = server->ops->negotiate(xid, ses); if (rc == 0) { spin_lock(&GlobalMid_Lock); if (server->tcpStatus == CifsNeedNegotiate) @@ -4124,28 +3978,29 @@ int cifs_negotiate_protocol(unsigned int xid, struct cifs_ses *ses) else rc = -EHOSTDOWN; spin_unlock(&GlobalMid_Lock); - } return rc; } - -int cifs_setup_session(unsigned int xid, struct cifs_ses *ses, - struct nls_table *nls_info) +int +cifs_setup_session(const unsigned int xid, struct cifs_ses *ses, + struct nls_table *nls_info) { - int rc = 0; + int rc = -ENOSYS; struct TCP_Server_Info *server = ses->server; ses->flags = 0; ses->capabilities = server->capabilities; if (linuxExtEnabled == 0) - ses->capabilities &= (~CAP_UNIX); + ses->capabilities &= (~server->vals->cap_unix); cFYI(1, "Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d", server->sec_mode, server->capabilities, server->timeAdj); - rc = CIFS_SessSetup(xid, ses, nls_info); + if (server->ops->sess_setup) + rc = server->ops->sess_setup(xid, ses, nls_info); + if (rc) { cERROR(1, "Send error in SessSetup = %d", rc); } else { @@ -4245,7 +4100,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, uid_t fsuid) goto out; } - if (ses->capabilities & CAP_UNIX) + if (cap_unix(ses)) reset_cifs_unix_caps(0, tcon, NULL, vol_info); out: kfree(vol_info->username); diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index ec4e9a2a12f8..cbe709ad6663 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -133,108 +133,140 @@ cifs_bp_rename_retry: return full_path; } +/* + * Don't allow the separator character in a path component. + * The VFS will not allow "/", but "\" is allowed by posix. + */ +static int +check_name(struct dentry *direntry) +{ + struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb); + int i; + + if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)) { + for (i = 0; i < direntry->d_name.len; i++) { + if (direntry->d_name.name[i] == '\\') { + cFYI(1, "Invalid file name"); + return -EINVAL; + } + } + } + return 0; +} + + /* Inode operations in similar order to how they appear in Linux file fs.h */ -int -cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, - struct nameidata *nd) +static int +cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, + struct tcon_link *tlink, unsigned oflags, umode_t mode, + __u32 *oplock, __u16 *fileHandle, int *created) { int rc = -ENOENT; - int xid; int create_options = CREATE_NOT_DIR; - __u32 oplock = 0; - int oflags; - /* - * BB below access is probably too much for mknod to request - * but we have to do query and setpathinfo so requesting - * less could fail (unless we want to request getatr and setatr - * permissions (only). At least for POSIX we do not have to - * request so much. - */ - int desiredAccess = GENERIC_READ | GENERIC_WRITE; - __u16 fileHandle; - struct cifs_sb_info *cifs_sb; - struct tcon_link *tlink; - struct cifs_tcon *tcon; + int desiredAccess; + struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); + struct cifs_tcon *tcon = tlink_tcon(tlink); char *full_path = NULL; FILE_ALL_INFO *buf = NULL; struct inode *newinode = NULL; - int disposition = FILE_OVERWRITE_IF; - - xid = GetXid(); - - cifs_sb = CIFS_SB(inode->i_sb); - tlink = cifs_sb_tlink(cifs_sb); - if (IS_ERR(tlink)) { - FreeXid(xid); - return PTR_ERR(tlink); - } - tcon = tlink_tcon(tlink); + int disposition; + *oplock = 0; if (tcon->ses->server->oplocks) - oplock = REQ_OPLOCK; - - if (nd) - oflags = nd->intent.open.file->f_flags; - else - oflags = O_RDONLY | O_CREAT; + *oplock = REQ_OPLOCK; full_path = build_path_from_dentry(direntry); if (full_path == NULL) { rc = -ENOMEM; - goto cifs_create_out; + goto out; } - if (tcon->unix_ext && (tcon->ses->capabilities & CAP_UNIX) && + if (tcon->unix_ext && cap_unix(tcon->ses) && !tcon->broken_posix_open && (CIFS_UNIX_POSIX_PATH_OPS_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability))) { rc = cifs_posix_open(full_path, &newinode, - inode->i_sb, mode, oflags, &oplock, &fileHandle, xid); - /* EIO could indicate that (posix open) operation is not - supported, despite what server claimed in capability - negotiation. EREMOTE indicates DFS junction, which is not - handled in posix open */ - - if (rc == 0) { - if (newinode == NULL) /* query inode info */ + inode->i_sb, mode, oflags, oplock, fileHandle, xid); + switch (rc) { + case 0: + if (newinode == NULL) { + /* query inode info */ goto cifs_create_get_file_info; - else /* success, no need to query */ - goto cifs_create_set_dentry; - } else if ((rc != -EIO) && (rc != -EREMOTE) && - (rc != -EOPNOTSUPP) && (rc != -EINVAL)) - goto cifs_create_out; - /* else fallthrough to retry, using older open call, this is - case where server does not support this SMB level, and - falsely claims capability (also get here for DFS case - which should be rare for path not covered on files) */ - } + } + + if (!S_ISREG(newinode->i_mode)) { + /* + * The server may allow us to open things like + * FIFOs, but the client isn't set up to deal + * with that. If it's not a regular file, just + * close it and proceed as if it were a normal + * lookup. + */ + CIFSSMBClose(xid, tcon, *fileHandle); + goto cifs_create_get_file_info; + } + /* success, no need to query */ + goto cifs_create_set_dentry; + + case -ENOENT: + goto cifs_create_get_file_info; + + case -EIO: + case -EINVAL: + /* + * EIO could indicate that (posix open) operation is not + * supported, despite what server claimed in capability + * negotiation. + * + * POSIX open in samba versions 3.3.1 and earlier could + * incorrectly fail with invalid parameter. + */ + tcon->broken_posix_open = true; + break; + + case -EREMOTE: + case -EOPNOTSUPP: + /* + * EREMOTE indicates DFS junction, which is not handled + * in posix open. If either that or op not supported + * returned, follow the normal lookup. + */ + break; - if (nd) { - /* if the file is going to stay open, then we - need to set the desired access properly */ - desiredAccess = 0; - if (OPEN_FMODE(oflags) & FMODE_READ) - desiredAccess |= GENERIC_READ; /* is this too little? */ - if (OPEN_FMODE(oflags) & FMODE_WRITE) - desiredAccess |= GENERIC_WRITE; - - if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) - disposition = FILE_CREATE; - else if ((oflags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC)) - disposition = FILE_OVERWRITE_IF; - else if ((oflags & O_CREAT) == O_CREAT) - disposition = FILE_OPEN_IF; - else - cFYI(1, "Create flag not set in create function"); + default: + goto out; + } + /* + * fallthrough to retry, using older open call, this is case + * where server does not support this SMB level, and falsely + * claims capability (also get here for DFS case which should be + * rare for path not covered on files) + */ } + desiredAccess = 0; + if (OPEN_FMODE(oflags) & FMODE_READ) + desiredAccess |= GENERIC_READ; /* is this too little? */ + if (OPEN_FMODE(oflags) & FMODE_WRITE) + desiredAccess |= GENERIC_WRITE; + + disposition = FILE_OVERWRITE_IF; + if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) + disposition = FILE_CREATE; + else if ((oflags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC)) + disposition = FILE_OVERWRITE_IF; + else if ((oflags & O_CREAT) == O_CREAT) + disposition = FILE_OPEN_IF; + else + cFYI(1, "Create flag not set in create function"); + /* BB add processing to set equivalent of mode - e.g. via CreateX with ACLs */ buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL); if (buf == NULL) { rc = -ENOMEM; - goto cifs_create_out; + goto out; } /* @@ -250,7 +282,7 @@ cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, if (tcon->ses->capabilities & CAP_NT_SMBS) rc = CIFSSMBOpen(xid, tcon, full_path, disposition, desiredAccess, create_options, - &fileHandle, &oplock, buf, cifs_sb->local_nls, + fileHandle, oplock, buf, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); else rc = -EIO; /* no NT SMB support fall into legacy open below */ @@ -259,17 +291,17 @@ cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, /* old server, retry the open legacy style */ rc = SMBLegacyOpen(xid, tcon, full_path, disposition, desiredAccess, create_options, - &fileHandle, &oplock, buf, cifs_sb->local_nls, + fileHandle, oplock, buf, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); } if (rc) { cFYI(1, "cifs_create returned 0x%x", rc); - goto cifs_create_out; + goto out; } /* If Open reported that we actually created a file then we now have to set the mode if possible */ - if ((tcon->unix_ext) && (oplock & CIFS_CREATE_ACTION)) { + if ((tcon->unix_ext) && (*oplock & CIFS_CREATE_ACTION)) { struct cifs_unix_set_info_args args = { .mode = mode, .ctime = NO_CHANGE_64, @@ -278,6 +310,7 @@ cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, .device = 0, }; + *created |= FILE_CREATED; if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { args.uid = (__u64) current_fsuid(); if (inode->i_mode & S_ISGID) @@ -288,7 +321,7 @@ cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, args.uid = NO_CHANGE_64; args.gid = NO_CHANGE_64; } - CIFSSMBUnixSetFileInfo(xid, tcon, &args, fileHandle, + CIFSSMBUnixSetFileInfo(xid, tcon, &args, *fileHandle, current->tgid); } else { /* BB implement mode setting via Windows security @@ -305,11 +338,11 @@ cifs_create_get_file_info: inode->i_sb, xid); else { rc = cifs_get_inode_info(&newinode, full_path, buf, - inode->i_sb, xid, &fileHandle); + inode->i_sb, xid, fileHandle); if (newinode) { if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) newinode->i_mode = mode; - if ((oplock & CIFS_CREATE_ACTION) && + if ((*oplock & CIFS_CREATE_ACTION) && (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID)) { newinode->i_uid = current_fsuid(); if (inode->i_mode & S_ISGID) @@ -321,37 +354,132 @@ cifs_create_get_file_info: } cifs_create_set_dentry: - if (rc == 0) - d_instantiate(direntry, newinode); - else + if (rc != 0) { cFYI(1, "Create worked, get_inode_info failed rc = %d", rc); + goto out; + } + d_drop(direntry); + d_add(direntry, newinode); - if (newinode && nd) { - struct cifsFileInfo *pfile_info; - struct file *filp; + /* ENOENT for create? How weird... */ + rc = -ENOENT; + if (!newinode) { + CIFSSMBClose(xid, tcon, *fileHandle); + goto out; + } + rc = 0; - filp = lookup_instantiate_filp(nd, direntry, generic_file_open); - if (IS_ERR(filp)) { - rc = PTR_ERR(filp); - CIFSSMBClose(xid, tcon, fileHandle); - goto cifs_create_out; - } +out: + kfree(buf); + kfree(full_path); + return rc; +} - pfile_info = cifs_new_fileinfo(fileHandle, filp, tlink, oplock); - if (pfile_info == NULL) { - fput(filp); - CIFSSMBClose(xid, tcon, fileHandle); - rc = -ENOMEM; - } - } else { +int +cifs_atomic_open(struct inode *inode, struct dentry *direntry, + struct file *file, unsigned oflags, umode_t mode, + int *opened) +{ + int rc; + unsigned int xid; + struct tcon_link *tlink; + struct cifs_tcon *tcon; + __u16 fileHandle; + __u32 oplock; + struct cifsFileInfo *pfile_info; + + /* Posix open is only called (at lookup time) for file create now. For + * opens (rather than creates), because we do not know if it is a file + * or directory yet, and current Samba no longer allows us to do posix + * open on dirs, we could end up wasting an open call on what turns out + * to be a dir. For file opens, we wait to call posix open till + * cifs_open. It could be added to atomic_open in the future but the + * performance tradeoff of the extra network request when EISDIR or + * EACCES is returned would have to be weighed against the 50% reduction + * in network traffic in the other paths. + */ + if (!(oflags & O_CREAT)) { + struct dentry *res = cifs_lookup(inode, direntry, 0); + if (IS_ERR(res)) + return PTR_ERR(res); + + return finish_no_open(file, res); + } + + rc = check_name(direntry); + if (rc) + return rc; + + xid = get_xid(); + + cFYI(1, "parent inode = 0x%p name is: %s and dentry = 0x%p", + inode, direntry->d_name.name, direntry); + + tlink = cifs_sb_tlink(CIFS_SB(inode->i_sb)); + if (IS_ERR(tlink)) + goto out_free_xid; + + tcon = tlink_tcon(tlink); + + rc = cifs_do_create(inode, direntry, xid, tlink, oflags, mode, + &oplock, &fileHandle, opened); + + if (rc) + goto out; + + rc = finish_open(file, direntry, generic_file_open, opened); + if (rc) { CIFSSMBClose(xid, tcon, fileHandle); + goto out; } -cifs_create_out: - kfree(buf); - kfree(full_path); + pfile_info = cifs_new_fileinfo(fileHandle, file, tlink, oplock); + if (pfile_info == NULL) { + CIFSSMBClose(xid, tcon, fileHandle); + rc = -ENOMEM; + } + +out: cifs_put_tlink(tlink); - FreeXid(xid); +out_free_xid: + free_xid(xid); + return rc; +} + +int cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, + bool excl) +{ + int rc; + unsigned int xid = get_xid(); + /* + * BB below access is probably too much for mknod to request + * but we have to do query and setpathinfo so requesting + * less could fail (unless we want to request getatr and setatr + * permissions (only). At least for POSIX we do not have to + * request so much. + */ + unsigned oflags = O_EXCL | O_CREAT | O_RDWR; + struct tcon_link *tlink; + __u16 fileHandle; + __u32 oplock; + int created = FILE_CREATED; + + cFYI(1, "cifs_create parent inode = 0x%p name is: %s and dentry = 0x%p", + inode, direntry->d_name.name, direntry); + + tlink = cifs_sb_tlink(CIFS_SB(inode->i_sb)); + rc = PTR_ERR(tlink); + if (IS_ERR(tlink)) + goto out_free_xid; + + rc = cifs_do_create(inode, direntry, xid, tlink, oflags, mode, + &oplock, &fileHandle, &created); + if (!rc) + CIFSSMBClose(xid, tlink_tcon(tlink), fileHandle); + + cifs_put_tlink(tlink); +out_free_xid: + free_xid(xid); return rc; } @@ -359,7 +487,7 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, dev_t device_number) { int rc = -EPERM; - int xid; + unsigned int xid; int create_options = CREATE_NOT_DIR | CREATE_OPTION_SPECIAL; struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; @@ -383,7 +511,7 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, pTcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); full_path = build_path_from_dentry(direntry); if (full_path == NULL) { @@ -431,7 +559,7 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, if (buf == NULL) { kfree(full_path); rc = -ENOMEM; - FreeXid(xid); + free_xid(xid); return rc; } @@ -481,29 +609,24 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, mknod_out: kfree(full_path); kfree(buf); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); return rc; } struct dentry * cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, - struct nameidata *nd) + unsigned int flags) { - int xid; + unsigned int xid; int rc = 0; /* to get around spurious gcc warning, set to zero here */ - __u32 oplock; - __u16 fileHandle = 0; - bool posix_open = false; struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; struct cifs_tcon *pTcon; - struct cifsFileInfo *cfile; struct inode *newInode = NULL; char *full_path = NULL; - struct file *filp; - xid = GetXid(); + xid = get_xid(); cFYI(1, "parent inode = 0x%p name is: %s and dentry = 0x%p", parent_dir_inode, direntry->d_name.name, direntry); @@ -513,36 +636,14 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, cifs_sb = CIFS_SB(parent_dir_inode->i_sb); tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) { - FreeXid(xid); + free_xid(xid); return (struct dentry *)tlink; } pTcon = tlink_tcon(tlink); - oplock = pTcon->ses->server->oplocks ? REQ_OPLOCK : 0; - - /* - * Don't allow the separator character in a path component. - * The VFS will not allow "/", but "\" is allowed by posix. - */ - if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)) { - int i; - for (i = 0; i < direntry->d_name.len; i++) - if (direntry->d_name.name[i] == '\\') { - cFYI(1, "Invalid file name"); - rc = -EINVAL; - goto lookup_out; - } - } - - /* - * O_EXCL: optimize away the lookup, but don't hash the dentry. Let - * the VFS handle the create. - */ - if (nd && (nd->flags & LOOKUP_EXCL)) { - d_instantiate(direntry, NULL); - rc = 0; + rc = check_name(direntry); + if (rc) goto lookup_out; - } /* can not grab the rename sem here since it would deadlock in the cases (beginning of sys_rename itself) @@ -560,80 +661,16 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, } cFYI(1, "Full path: %s inode = 0x%p", full_path, direntry->d_inode); - /* Posix open is only called (at lookup time) for file create now. - * For opens (rather than creates), because we do not know if it - * is a file or directory yet, and current Samba no longer allows - * us to do posix open on dirs, we could end up wasting an open call - * on what turns out to be a dir. For file opens, we wait to call posix - * open till cifs_open. It could be added here (lookup) in the future - * but the performance tradeoff of the extra network request when EISDIR - * or EACCES is returned would have to be weighed against the 50% - * reduction in network traffic in the other paths. - */ if (pTcon->unix_ext) { - if (nd && !(nd->flags & LOOKUP_DIRECTORY) && - (nd->flags & LOOKUP_OPEN) && !pTcon->broken_posix_open && - (nd->intent.open.file->f_flags & O_CREAT)) { - rc = cifs_posix_open(full_path, &newInode, - parent_dir_inode->i_sb, - nd->intent.open.create_mode, - nd->intent.open.file->f_flags, &oplock, - &fileHandle, xid); - /* - * The check below works around a bug in POSIX - * open in samba versions 3.3.1 and earlier where - * open could incorrectly fail with invalid parameter. - * If either that or op not supported returned, follow - * the normal lookup. - */ - switch (rc) { - case 0: - /* - * The server may allow us to open things like - * FIFOs, but the client isn't set up to deal - * with that. If it's not a regular file, just - * close it and proceed as if it were a normal - * lookup. - */ - if (newInode && !S_ISREG(newInode->i_mode)) { - CIFSSMBClose(xid, pTcon, fileHandle); - break; - } - case -ENOENT: - posix_open = true; - case -EOPNOTSUPP: - break; - default: - pTcon->broken_posix_open = true; - } - } - if (!posix_open) - rc = cifs_get_inode_info_unix(&newInode, full_path, - parent_dir_inode->i_sb, xid); - } else + rc = cifs_get_inode_info_unix(&newInode, full_path, + parent_dir_inode->i_sb, xid); + } else { rc = cifs_get_inode_info(&newInode, full_path, NULL, parent_dir_inode->i_sb, xid, NULL); + } if ((rc == 0) && (newInode != NULL)) { d_add(direntry, newInode); - if (posix_open) { - filp = lookup_instantiate_filp(nd, direntry, - generic_file_open); - if (IS_ERR(filp)) { - rc = PTR_ERR(filp); - CIFSSMBClose(xid, pTcon, fileHandle); - goto lookup_out; - } - - cfile = cifs_new_fileinfo(fileHandle, filp, tlink, - oplock); - if (cfile == NULL) { - fput(filp); - CIFSSMBClose(xid, pTcon, fileHandle); - rc = -ENOMEM; - goto lookup_out; - } - } /* since paths are not looked up by component - the parent directories are presumed to be good here */ renew_parental_timestamps(direntry); @@ -653,14 +690,14 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, lookup_out: kfree(full_path); cifs_put_tlink(tlink); - FreeXid(xid); + free_xid(xid); return ERR_PTR(rc); } static int -cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd) +cifs_d_revalidate(struct dentry *direntry, unsigned int flags) { - if (nd && (nd->flags & LOOKUP_RCU)) + if (flags & LOOKUP_RCU) return -ECHILD; if (direntry->d_inode) { @@ -689,7 +726,7 @@ cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd) * This may be nfsd (or something), anyway, we can't see the * intent of this. So, since this can be for creation, drop it. */ - if (!nd) + if (!flags) return 0; /* @@ -697,7 +734,7 @@ cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd) * case sensitive name which is specified by user if this is * for creation. */ - if (nd->flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) + if (flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) return 0; if (time_after(jiffies, direntry->d_time + HZ) || !lookupCacheEnabled) diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 513adbc211d7..9154192b0683 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -107,7 +107,7 @@ static inline int cifs_get_disposition(unsigned int flags) int cifs_posix_open(char *full_path, struct inode **pinode, struct super_block *sb, int mode, unsigned int f_flags, - __u32 *poplock, __u16 *pnetfid, int xid) + __u32 *poplock, __u16 *pnetfid, unsigned int xid) { int rc; FILE_UNIX_BASIC_INFO *presp_data; @@ -170,7 +170,7 @@ posix_open_ret: static int cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb, struct cifs_tcon *tcon, unsigned int f_flags, __u32 *poplock, - __u16 *pnetfid, int xid) + __u16 *pnetfid, unsigned int xid) { int rc; int desiredAccess; @@ -284,6 +284,15 @@ cifs_new_fileinfo(__u16 fileHandle, struct file *file, static void cifs_del_lock_waiters(struct cifsLockInfo *lock); +struct cifsFileInfo * +cifsFileInfo_get(struct cifsFileInfo *cifs_file) +{ + spin_lock(&cifs_file_list_lock); + cifsFileInfo_get_locked(cifs_file); + spin_unlock(&cifs_file_list_lock); + return cifs_file; +} + /* * Release a reference on the file private data. This may involve closing * the filehandle out on the server. Must be called without holding @@ -324,11 +333,11 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file) cancel_work_sync(&cifs_file->oplock_break); if (!tcon->need_reconnect && !cifs_file->invalidHandle) { - int xid, rc; - - xid = GetXid(); + unsigned int xid; + int rc; + xid = get_xid(); rc = CIFSSMBClose(xid, tcon, cifs_file->netfid); - FreeXid(xid); + free_xid(xid); } /* Delete any outstanding lock records. We'll lose them when the file @@ -350,7 +359,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file) int cifs_open(struct inode *inode, struct file *file) { int rc = -EACCES; - int xid; + unsigned int xid; __u32 oplock; struct cifs_sb_info *cifs_sb; struct cifs_tcon *tcon; @@ -360,12 +369,12 @@ int cifs_open(struct inode *inode, struct file *file) bool posix_open_ok = false; __u16 netfid; - xid = GetXid(); + xid = get_xid(); cifs_sb = CIFS_SB(inode->i_sb); tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) { - FreeXid(xid); + free_xid(xid); return PTR_ERR(tlink); } tcon = tlink_tcon(tlink); @@ -385,9 +394,8 @@ int cifs_open(struct inode *inode, struct file *file) oplock = 0; if (!tcon->broken_posix_open && tcon->unix_ext && - (tcon->ses->capabilities & CAP_UNIX) && - (CIFS_UNIX_POSIX_PATH_OPS_CAP & - le64_to_cpu(tcon->fsUnixInfo.Capability))) { + cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP & + le64_to_cpu(tcon->fsUnixInfo.Capability))) { /* can not refresh inode info since size could be stale */ rc = cifs_posix_open(full_path, &inode, inode->i_sb, cifs_sb->mnt_file_mode /* ignored */, @@ -445,7 +453,7 @@ int cifs_open(struct inode *inode, struct file *file) out: kfree(full_path); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); return rc; } @@ -464,7 +472,7 @@ static int cifs_relock_file(struct cifsFileInfo *cifsFile) static int cifs_reopen_file(struct cifsFileInfo *pCifsFile, bool can_flush) { int rc = -EACCES; - int xid; + unsigned int xid; __u32 oplock; struct cifs_sb_info *cifs_sb; struct cifs_tcon *tcon; @@ -476,12 +484,12 @@ static int cifs_reopen_file(struct cifsFileInfo *pCifsFile, bool can_flush) int create_options = CREATE_NOT_DIR; __u16 netfid; - xid = GetXid(); + xid = get_xid(); mutex_lock(&pCifsFile->fh_mutex); if (!pCifsFile->invalidHandle) { mutex_unlock(&pCifsFile->fh_mutex); rc = 0; - FreeXid(xid); + free_xid(xid); return rc; } @@ -497,7 +505,7 @@ static int cifs_reopen_file(struct cifsFileInfo *pCifsFile, bool can_flush) if (full_path == NULL) { rc = -ENOMEM; mutex_unlock(&pCifsFile->fh_mutex); - FreeXid(xid); + free_xid(xid); return rc; } @@ -509,10 +517,9 @@ static int cifs_reopen_file(struct cifsFileInfo *pCifsFile, bool can_flush) else oplock = 0; - if (tcon->unix_ext && (tcon->ses->capabilities & CAP_UNIX) && + if (tcon->unix_ext && cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP & - le64_to_cpu(tcon->fsUnixInfo.Capability))) { - + le64_to_cpu(tcon->fsUnixInfo.Capability))) { /* * O_CREAT, O_EXCL and O_TRUNC already had their effect on the * original open. Must mask them off for a reopen. @@ -583,7 +590,7 @@ reopen_success: reopen_error_exit: kfree(full_path); - FreeXid(xid); + free_xid(xid); return rc; } @@ -601,13 +608,13 @@ int cifs_close(struct inode *inode, struct file *file) int cifs_closedir(struct inode *inode, struct file *file) { int rc = 0; - int xid; + unsigned int xid; struct cifsFileInfo *pCFileStruct = file->private_data; char *ptmp; cFYI(1, "Closedir inode = 0x%p", inode); - xid = GetXid(); + xid = get_xid(); if (pCFileStruct) { struct cifs_tcon *pTcon = tlink_tcon(pCFileStruct->tlink); @@ -639,7 +646,7 @@ int cifs_closedir(struct inode *inode, struct file *file) file->private_data = NULL; } /* BB can we lock the filestruct while this is going on? */ - FreeXid(xid); + free_xid(xid); return rc; } @@ -872,7 +879,8 @@ try_again: static int cifs_push_mandatory_locks(struct cifsFileInfo *cfile) { - int xid, rc = 0, stored_rc; + unsigned int xid; + int rc = 0, stored_rc; struct cifsLockInfo *li, *tmp; struct cifs_tcon *tcon; struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode); @@ -882,13 +890,13 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile) LOCKING_ANDX_SHARED_LOCK | LOCKING_ANDX_LARGE_FILES}; int i; - xid = GetXid(); + xid = get_xid(); tcon = tlink_tcon(cfile->tlink); mutex_lock(&cinode->lock_mutex); if (!cinode->can_cache_brlcks) { mutex_unlock(&cinode->lock_mutex); - FreeXid(xid); + free_xid(xid); return rc; } @@ -899,7 +907,7 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile) max_buf = tcon->ses->server->maxBuf; if (!max_buf) { mutex_unlock(&cinode->lock_mutex); - FreeXid(xid); + free_xid(xid); return -EINVAL; } @@ -908,7 +916,7 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile) buf = kzalloc(max_num * sizeof(LOCKING_ANDX_RANGE), GFP_KERNEL); if (!buf) { mutex_unlock(&cinode->lock_mutex); - FreeXid(xid); + free_xid(xid); return rc; } @@ -947,7 +955,7 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile) mutex_unlock(&cinode->lock_mutex); kfree(buf); - FreeXid(xid); + free_xid(xid); return rc; } @@ -977,12 +985,12 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile) struct lock_to_push *lck, *tmp; __u64 length; - xid = GetXid(); + xid = get_xid(); mutex_lock(&cinode->lock_mutex); if (!cinode->can_cache_brlcks) { mutex_unlock(&cinode->lock_mutex); - FreeXid(xid); + free_xid(xid); return rc; } @@ -1039,12 +1047,10 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile) unlock_flocks(); list_for_each_entry_safe(lck, tmp, &locks_to_send, llist) { - struct file_lock tmp_lock; int stored_rc; - tmp_lock.fl_start = lck->offset; stored_rc = CIFSSMBPosixLock(xid, tcon, lck->netfid, lck->pid, - 0, lck->length, &tmp_lock, + lck->offset, lck->length, NULL, lck->type, 0); if (stored_rc) rc = stored_rc; @@ -1056,7 +1062,7 @@ out: cinode->can_cache_brlcks = false; mutex_unlock(&cinode->lock_mutex); - FreeXid(xid); + free_xid(xid); return rc; err_out: list_for_each_entry_safe(lck, tmp, &locks_to_send, llist) { @@ -1072,7 +1078,7 @@ cifs_push_locks(struct cifsFileInfo *cfile) struct cifs_sb_info *cifs_sb = CIFS_SB(cfile->dentry->d_sb); struct cifs_tcon *tcon = tlink_tcon(cfile->tlink); - if ((tcon->ses->capabilities & CAP_UNIX) && + if (cap_unix(tcon->ses) && (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability)) && ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL) == 0)) return cifs_push_posix_locks(cfile); @@ -1128,7 +1134,7 @@ cifs_read_flock(struct file_lock *flock, __u32 *type, int *lock, int *unlock, } static int -cifs_mandatory_lock(int xid, struct cifsFileInfo *cfile, __u64 offset, +cifs_mandatory_lock(unsigned int xid, struct cifsFileInfo *cfile, __u64 offset, __u64 length, __u32 type, int lock, int unlock, bool wait) { return CIFSSMBLock(xid, tlink_tcon(cfile->tlink), cfile->netfid, @@ -1138,7 +1144,7 @@ cifs_mandatory_lock(int xid, struct cifsFileInfo *cfile, __u64 offset, static int cifs_getlk(struct file *file, struct file_lock *flock, __u32 type, - bool wait_flag, bool posix_lck, int xid) + bool wait_flag, bool posix_lck, unsigned int xid) { int rc = 0; __u64 length = 1 + flock->fl_end - flock->fl_start; @@ -1159,7 +1165,7 @@ cifs_getlk(struct file *file, struct file_lock *flock, __u32 type, else posix_lock_type = CIFS_WRLCK; rc = CIFSSMBPosixLock(xid, tcon, netfid, current->tgid, - 1 /* get */, length, flock, + flock->fl_start, length, flock, posix_lock_type, wait_flag); return rc; } @@ -1223,7 +1229,8 @@ cifs_free_llist(struct list_head *llist) } static int -cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock, int xid) +cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock, + unsigned int xid) { int rc = 0, stored_rc; int types[] = {LOCKING_ANDX_LARGE_FILES, @@ -1328,7 +1335,8 @@ cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock, int xid) static int cifs_setlk(struct file *file, struct file_lock *flock, __u32 type, - bool wait_flag, bool posix_lck, int lock, int unlock, int xid) + bool wait_flag, bool posix_lck, int lock, int unlock, + unsigned int xid) { int rc = 0; __u64 length = 1 + flock->fl_end - flock->fl_start; @@ -1353,7 +1361,7 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type, posix_lock_type = CIFS_UNLCK; rc = CIFSSMBPosixLock(xid, tcon, netfid, current->tgid, - 0 /* set */, length, flock, + flock->fl_start, length, NULL, posix_lock_type, wait_flag); goto out; } @@ -1402,7 +1410,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock) __u32 type; rc = -EACCES; - xid = GetXid(); + xid = get_xid(); cFYI(1, "Lock parm: 0x%x flockflags: 0x%x flocktype: 0x%x start: %lld " "end: %lld", cmd, flock->fl_flags, flock->fl_type, @@ -1418,7 +1426,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock) netfid = cfile->netfid; cinode = CIFS_I(file->f_path.dentry->d_inode); - if ((tcon->ses->capabilities & CAP_UNIX) && + if (cap_unix(tcon->ses) && (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability)) && ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL) == 0)) posix_lck = true; @@ -1428,7 +1436,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock) */ if (IS_GETLK(cmd)) { rc = cifs_getlk(file, flock, type, wait_flag, posix_lck, xid); - FreeXid(xid); + free_xid(xid); return rc; } @@ -1437,13 +1445,13 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock) * if no lock or unlock then nothing to do since we do not * know what it is */ - FreeXid(xid); + free_xid(xid); return -EOPNOTSUPP; } rc = cifs_setlk(file, flock, type, wait_flag, posix_lck, lock, unlock, xid); - FreeXid(xid); + free_xid(xid); return rc; } @@ -1470,7 +1478,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid, unsigned int total_written; struct cifs_sb_info *cifs_sb; struct cifs_tcon *pTcon; - int xid; + unsigned int xid; struct dentry *dentry = open_file->dentry; struct cifsInodeInfo *cifsi = CIFS_I(dentry->d_inode); struct cifs_io_parms io_parms; @@ -1482,7 +1490,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid, pTcon = tlink_tcon(open_file->tlink); - xid = GetXid(); + xid = get_xid(); for (total_written = 0; write_size > total_written; total_written += bytes_written) { @@ -1518,7 +1526,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid, if (total_written) break; else { - FreeXid(xid); + free_xid(xid); return rc; } } else { @@ -1538,7 +1546,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid, spin_unlock(&dentry->d_inode->i_lock); } mark_inode_dirty_sync(dentry->d_inode); - FreeXid(xid); + free_xid(xid); return total_written; } @@ -1563,7 +1571,7 @@ struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *cifs_inode, if (!open_file->invalidHandle) { /* found a good file */ /* lock it so it will not be closed on us */ - cifsFileInfo_get(open_file); + cifsFileInfo_get_locked(open_file); spin_unlock(&cifs_file_list_lock); return open_file; } /* else might as well continue, and look for @@ -1615,7 +1623,7 @@ refind_writable: if (OPEN_FMODE(open_file->f_flags) & FMODE_WRITE) { if (!open_file->invalidHandle) { /* found a good writable file */ - cifsFileInfo_get(open_file); + cifsFileInfo_get_locked(open_file); spin_unlock(&cifs_file_list_lock); return open_file; } else { @@ -1632,7 +1640,7 @@ refind_writable: if (inv_file) { any_available = false; - cifsFileInfo_get(inv_file); + cifsFileInfo_get_locked(inv_file); } spin_unlock(&cifs_file_list_lock); @@ -1937,9 +1945,9 @@ static int cifs_writepage_locked(struct page *page, struct writeback_control *wbc) { int rc; - int xid; + unsigned int xid; - xid = GetXid(); + xid = get_xid(); /* BB add check for wbc flags */ page_cache_get(page); if (!PageUptodate(page)) @@ -1968,7 +1976,7 @@ retry_write: SetPageUptodate(page); end_page_writeback(page); page_cache_release(page); - FreeXid(xid); + free_xid(xid); return rc; } @@ -2007,9 +2015,9 @@ static int cifs_write_end(struct file *file, struct address_space *mapping, if (!PageUptodate(page)) { char *page_data; unsigned offset = pos & (PAGE_CACHE_SIZE - 1); - int xid; + unsigned int xid; - xid = GetXid(); + xid = get_xid(); /* this is probably better than directly calling partialpage_write since in this function the file handle is known which we might as well leverage */ @@ -2020,7 +2028,7 @@ static int cifs_write_end(struct file *file, struct address_space *mapping, /* if (rc < 0) should we set writebehind rc? */ kunmap(page); - FreeXid(xid); + free_xid(xid); } else { rc = copied; pos += copied; @@ -2043,7 +2051,7 @@ static int cifs_write_end(struct file *file, struct address_space *mapping, int cifs_strict_fsync(struct file *file, loff_t start, loff_t end, int datasync) { - int xid; + unsigned int xid; int rc = 0; struct cifs_tcon *tcon; struct cifsFileInfo *smbfile = file->private_data; @@ -2055,7 +2063,7 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end, return rc; mutex_lock(&inode->i_mutex); - xid = GetXid(); + xid = get_xid(); cFYI(1, "Sync file - name: %s datasync: 0x%x", file->f_path.dentry->d_name.name, datasync); @@ -2072,14 +2080,14 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end, if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) rc = CIFSSMBFlush(xid, tcon, smbfile->netfid); - FreeXid(xid); + free_xid(xid); mutex_unlock(&inode->i_mutex); return rc; } int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync) { - int xid; + unsigned int xid; int rc = 0; struct cifs_tcon *tcon; struct cifsFileInfo *smbfile = file->private_data; @@ -2091,7 +2099,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync) return rc; mutex_lock(&inode->i_mutex); - xid = GetXid(); + xid = get_xid(); cFYI(1, "Sync file - name: %s datasync: 0x%x", file->f_path.dentry->d_name.name, datasync); @@ -2100,7 +2108,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync) if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) rc = CIFSSMBFlush(xid, tcon, smbfile->netfid); - FreeXid(xid); + free_xid(xid); mutex_unlock(&inode->i_mutex); return rc; } @@ -2744,15 +2752,15 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, unsigned int current_read_size; unsigned int rsize; struct cifs_sb_info *cifs_sb; - struct cifs_tcon *pTcon; - int xid; + struct cifs_tcon *tcon; + unsigned int xid; char *current_offset; struct cifsFileInfo *open_file; struct cifs_io_parms io_parms; int buf_type = CIFS_NO_BUFFER; __u32 pid; - xid = GetXid(); + xid = get_xid(); cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); /* FIXME: set up handlers for larger reads and/or convert to async */ @@ -2760,11 +2768,11 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, if (file->private_data == NULL) { rc = -EBADF; - FreeXid(xid); + free_xid(xid); return rc; } open_file = file->private_data; - pTcon = tlink_tcon(open_file->tlink); + tcon = tlink_tcon(open_file->tlink); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RWPIDFORWARD) pid = open_file->pid; @@ -2778,11 +2786,12 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, read_size > total_read; total_read += bytes_read, current_offset += bytes_read) { current_read_size = min_t(uint, read_size - total_read, rsize); - - /* For windows me and 9x we do not want to request more - than it negotiated since it will refuse the read then */ - if ((pTcon->ses) && - !(pTcon->ses->capabilities & CAP_LARGE_FILES)) { + /* + * For windows me and 9x we do not want to request more than it + * negotiated since it will refuse the read then. + */ + if ((tcon->ses) && !(tcon->ses->capabilities & + tcon->ses->server->vals->cap_large_files)) { current_read_size = min_t(uint, current_read_size, CIFSMaxBufSize); } @@ -2795,7 +2804,7 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, } io_parms.netfid = open_file->netfid; io_parms.pid = pid; - io_parms.tcon = pTcon; + io_parms.tcon = tcon; io_parms.offset = *poffset; io_parms.length = current_read_size; rc = CIFSSMBRead(xid, &io_parms, &bytes_read, @@ -2805,15 +2814,15 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, if (total_read) { break; } else { - FreeXid(xid); + free_xid(xid); return rc; } } else { - cifs_stats_bytes_read(pTcon, total_read); + cifs_stats_bytes_read(tcon, total_read); *poffset += bytes_read; } } - FreeXid(xid); + free_xid(xid); return total_read; } @@ -2840,7 +2849,7 @@ int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma) int rc, xid; struct inode *inode = file->f_path.dentry->d_inode; - xid = GetXid(); + xid = get_xid(); if (!CIFS_I(inode)->clientCanCacheRead) { rc = cifs_invalidate_mapping(inode); @@ -2851,7 +2860,7 @@ int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma) rc = generic_file_mmap(file, vma); if (rc == 0) vma->vm_ops = &cifs_file_vm_ops; - FreeXid(xid); + free_xid(xid); return rc; } @@ -2859,17 +2868,17 @@ int cifs_file_mmap(struct file *file, struct vm_area_struct *vma) { int rc, xid; - xid = GetXid(); + xid = get_xid(); rc = cifs_revalidate_file(file); if (rc) { cFYI(1, "Validation prior to mmap failed, error=%d", rc); - FreeXid(xid); + free_xid(xid); return rc; } rc = generic_file_mmap(file, vma); if (rc == 0) vma->vm_ops = &cifs_file_vm_ops; - FreeXid(xid); + free_xid(xid); return rc; } @@ -3082,8 +3091,6 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, break; } - spin_lock(&cifs_file_list_lock); - spin_unlock(&cifs_file_list_lock); rdata->cfile = cifsFileInfo_get(open_file); rdata->mapping = mapping; rdata->offset = offset; @@ -3159,24 +3166,24 @@ static int cifs_readpage(struct file *file, struct page *page) { loff_t offset = (loff_t)page->index << PAGE_CACHE_SHIFT; int rc = -EACCES; - int xid; + unsigned int xid; - xid = GetXid(); + xid = get_xid(); if (file->private_data == NULL) { rc = -EBADF; - FreeXid(xid); + free_xid(xid); return rc; } - cFYI(1, "readpage %p at offset %d 0x%x\n", + cFYI(1, "readpage %p at offset %d 0x%x", page, (int)offset, (int)offset); rc = cifs_readpage_worker(file, page, &offset); unlock_page(page); - FreeXid(xid); + free_xid(xid); return rc; } diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 745da3d0653e..35cb6a374a45 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -289,7 +289,7 @@ cifs_create_dfs_fattr(struct cifs_fattr *fattr, struct super_block *sb) int cifs_get_file_info_unix(struct file *filp) { int rc; - int xid; + unsigned int xid; FILE_UNIX_BASIC_INFO find_data; struct cifs_fattr fattr; struct inode *inode = filp->f_path.dentry->d_inode; @@ -297,7 +297,7 @@ int cifs_get_file_info_unix(struct file *filp) struct cifsFileInfo *cfile = filp->private_data; struct cifs_tcon *tcon = tlink_tcon(cfile->tlink); - xid = GetXid(); + xid = get_xid(); rc = CIFSSMBUnixQFileInfo(xid, tcon, cfile->netfid, &find_data); if (!rc) { cifs_unix_basic_to_fattr(&fattr, &find_data, cifs_sb); @@ -307,13 +307,13 @@ int cifs_get_file_info_unix(struct file *filp) } cifs_fattr_to_inode(inode, &fattr); - FreeXid(xid); + free_xid(xid); return rc; } int cifs_get_inode_info_unix(struct inode **pinode, const unsigned char *full_path, - struct super_block *sb, int xid) + struct super_block *sb, unsigned int xid) { int rc; FILE_UNIX_BASIC_INFO find_data; @@ -367,7 +367,7 @@ int cifs_get_inode_info_unix(struct inode **pinode, static int cifs_sfu_type(struct cifs_fattr *fattr, const unsigned char *path, - struct cifs_sb_info *cifs_sb, int xid) + struct cifs_sb_info *cifs_sb, unsigned int xid) { int rc; int oplock = 0; @@ -466,7 +466,7 @@ cifs_sfu_type(struct cifs_fattr *fattr, const unsigned char *path, * FIXME: Doesn't this clobber the type bit we got from cifs_sfu_type ? */ static int cifs_sfu_mode(struct cifs_fattr *fattr, const unsigned char *path, - struct cifs_sb_info *cifs_sb, int xid) + struct cifs_sb_info *cifs_sb, unsigned int xid) { #ifdef CONFIG_CIFS_XATTR ssize_t rc; @@ -557,7 +557,7 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info, int cifs_get_file_info(struct file *filp) { int rc; - int xid; + unsigned int xid; FILE_ALL_INFO find_data; struct cifs_fattr fattr; struct inode *inode = filp->f_path.dentry->d_inode; @@ -565,7 +565,7 @@ int cifs_get_file_info(struct file *filp) struct cifsFileInfo *cfile = filp->private_data; struct cifs_tcon *tcon = tlink_tcon(cfile->tlink); - xid = GetXid(); + xid = get_xid(); rc = CIFSSMBQFileInfo(xid, tcon, cfile->netfid, &find_data); switch (rc) { case 0: @@ -596,65 +596,58 @@ int cifs_get_file_info(struct file *filp) fattr.cf_flags |= CIFS_FATTR_NEED_REVAL; cifs_fattr_to_inode(inode, &fattr); cgfi_exit: - FreeXid(xid); + free_xid(xid); return rc; } -int cifs_get_inode_info(struct inode **pinode, - const unsigned char *full_path, FILE_ALL_INFO *pfindData, - struct super_block *sb, int xid, const __u16 *pfid) +int +cifs_get_inode_info(struct inode **inode, const char *full_path, + FILE_ALL_INFO *data, struct super_block *sb, int xid, + const __u16 *fid) { int rc = 0, tmprc; - struct cifs_tcon *pTcon; + struct cifs_tcon *tcon; + struct TCP_Server_Info *server; struct tcon_link *tlink; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); char *buf = NULL; - bool adjustTZ = false; + bool adjust_tz = false; struct cifs_fattr fattr; tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) return PTR_ERR(tlink); - pTcon = tlink_tcon(tlink); + tcon = tlink_tcon(tlink); + server = tcon->ses->server; cFYI(1, "Getting info on %s", full_path); - if ((pfindData == NULL) && (*pinode != NULL)) { - if (CIFS_I(*pinode)->clientCanCacheRead) { + if ((data == NULL) && (*inode != NULL)) { + if (CIFS_I(*inode)->clientCanCacheRead) { cFYI(1, "No need to revalidate cached inode sizes"); goto cgii_exit; } } - /* if file info not passed in then get it from server */ - if (pfindData == NULL) { + /* if inode info is not passed, get it from server */ + if (data == NULL) { + if (!server->ops->query_path_info) { + rc = -ENOSYS; + goto cgii_exit; + } buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL); if (buf == NULL) { rc = -ENOMEM; goto cgii_exit; } - pfindData = (FILE_ALL_INFO *)buf; - - /* could do find first instead but this returns more info */ - rc = CIFSSMBQPathInfo(xid, pTcon, full_path, pfindData, - 0 /* not legacy */, - cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - /* BB optimize code so we do not make the above call - when server claims no NT SMB support and the above call - failed at least once - set flag in tcon or mount */ - if ((rc == -EOPNOTSUPP) || (rc == -EINVAL)) { - rc = SMBQueryInformation(xid, pTcon, full_path, - pfindData, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - adjustTZ = true; - } + data = (FILE_ALL_INFO *)buf; + rc = server->ops->query_path_info(xid, tcon, cifs_sb, full_path, + data, &adjust_tz); } if (!rc) { - cifs_all_info_to_fattr(&fattr, (FILE_ALL_INFO *) pfindData, - cifs_sb, adjustTZ); + cifs_all_info_to_fattr(&fattr, (FILE_ALL_INFO *)data, cifs_sb, + adjust_tz); } else if (rc == -EREMOTE) { cifs_create_dfs_fattr(&fattr, sb); rc = 0; @@ -668,28 +661,17 @@ int cifs_get_inode_info(struct inode **pinode, * Is an i_ino of zero legal? Can we use that to check if the server * supports returning inode numbers? Are there other sanity checks we * can use to ensure that the server is really filling in that field? - * - * We can not use the IndexNumber field by default from Windows or - * Samba (in ALL_INFO buf) but we can request it explicitly. The SNIA - * CIFS spec claims that this value is unique within the scope of a - * share, and the windows docs hint that it's actually unique - * per-machine. - * - * There may be higher info levels that work but are there Windows - * server or network appliances for which IndexNumber field is not - * guaranteed unique? */ - if (*pinode == NULL) { + if (*inode == NULL) { if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) { - int rc1 = 0; - - rc1 = CIFSGetSrvInodeNumber(xid, pTcon, - full_path, &fattr.cf_uniqueid, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - if (rc1 || !fattr.cf_uniqueid) { - cFYI(1, "GetSrvInodeNum rc %d", rc1); + if (server->ops->get_srv_inum) + tmprc = server->ops->get_srv_inum(xid, tcon, + cifs_sb, full_path, &fattr.cf_uniqueid, + data); + else + tmprc = -ENOSYS; + if (tmprc || !fattr.cf_uniqueid) { + cFYI(1, "GetSrvInodeNum rc %d", tmprc); fattr.cf_uniqueid = iunique(sb, ROOT_I); cifs_autodisable_serverino(cifs_sb); } @@ -697,7 +679,7 @@ int cifs_get_inode_info(struct inode **pinode, fattr.cf_uniqueid = iunique(sb, ROOT_I); } } else { - fattr.cf_uniqueid = CIFS_I(*pinode)->uniqueid; + fattr.cf_uniqueid = CIFS_I(*inode)->uniqueid; } /* query for SFU type info if supported and needed */ @@ -711,8 +693,7 @@ int cifs_get_inode_info(struct inode **pinode, #ifdef CONFIG_CIFS_ACL /* fill in 0777 bits from ACL */ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) { - rc = cifs_acl_to_fattr(cifs_sb, &fattr, *pinode, full_path, - pfid); + rc = cifs_acl_to_fattr(cifs_sb, &fattr, *inode, full_path, fid); if (rc) { cFYI(1, "%s: Getting ACL failed with error: %d", __func__, rc); @@ -732,12 +713,12 @@ int cifs_get_inode_info(struct inode **pinode, cFYI(1, "CIFSCheckMFSymlink: %d", tmprc); } - if (!*pinode) { - *pinode = cifs_iget(sb, &fattr); - if (!*pinode) + if (!*inode) { + *inode = cifs_iget(sb, &fattr); + if (!*inode) rc = -ENOMEM; } else { - cifs_fattr_to_inode(*pinode, &fattr); + cifs_fattr_to_inode(*inode, &fattr); } cgii_exit: @@ -750,38 +731,6 @@ static const struct inode_operations cifs_ipc_inode_ops = { .lookup = cifs_lookup, }; -char *cifs_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb, - struct cifs_tcon *tcon) -{ - int pplen = vol->prepath ? strlen(vol->prepath) : 0; - int dfsplen; - char *full_path = NULL; - - /* if no prefix path, simply set path to the root of share to "" */ - if (pplen == 0) { - full_path = kmalloc(1, GFP_KERNEL); - if (full_path) - full_path[0] = 0; - return full_path; - } - - if (tcon->Flags & SMB_SHARE_IS_IN_DFS) - dfsplen = strnlen(tcon->treeName, MAX_TREE_SIZE + 1); - else - dfsplen = 0; - - full_path = kmalloc(dfsplen + pplen + 1, GFP_KERNEL); - if (full_path == NULL) - return full_path; - - if (dfsplen) - strncpy(full_path, tcon->treeName, dfsplen); - strncpy(full_path + dfsplen, vol->prepath, pplen); - convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb)); - full_path[dfsplen + pplen] = 0; /* add trailing null */ - return full_path; -} - static int cifs_find_inode(struct inode *inode, void *opaque) { @@ -800,7 +749,7 @@ cifs_find_inode(struct inode *inode, void *opaque) return 0; /* if it's not a directory or has no dentries, then flag it */ - if (S_ISDIR(inode->i_mode) && !list_empty(&inode->i_dentry)) + if (S_ISDIR(inode->i_mode) && !hlist_empty(&inode->i_dentry)) fattr->cf_flags |= CIFS_FATTR_INO_COLLISION; return 1; @@ -825,9 +774,10 @@ static bool inode_has_hashed_dentries(struct inode *inode) { struct dentry *dentry; + struct hlist_node *p; spin_lock(&inode->i_lock); - list_for_each_entry(dentry, &inode->i_dentry, d_alias) { + hlist_for_each_entry(dentry, p, &inode->i_dentry, d_alias) { if (!d_unhashed(dentry) || IS_ROOT(dentry)) { spin_unlock(&inode->i_lock); return true; @@ -885,13 +835,13 @@ retry_iget5_locked: /* gets root inode */ struct inode *cifs_root_iget(struct super_block *sb) { - int xid; + unsigned int xid; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); struct inode *inode = NULL; long rc; struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); - xid = GetXid(); + xid = get_xid(); if (tcon->unix_ext) rc = cifs_get_inode_info_unix(&inode, "", sb, xid); else @@ -921,15 +871,15 @@ struct inode *cifs_root_iget(struct super_block *sb) } out: - /* can not call macro FreeXid here since in a void func + /* can not call macro free_xid here since in a void func * TODO: This is no longer true */ - _FreeXid(xid); + _free_xid(xid); return inode; } static int -cifs_set_file_info(struct inode *inode, struct iattr *attrs, int xid, +cifs_set_file_info(struct inode *inode, struct iattr *attrs, unsigned int xid, char *full_path, __u32 dosattr) { int rc; @@ -1050,7 +1000,8 @@ out: * anything else. */ static int -cifs_rename_pending_delete(char *full_path, struct dentry *dentry, int xid) +cifs_rename_pending_delete(char *full_path, struct dentry *dentry, + unsigned int xid) { int oplock = 0; int rc; @@ -1170,7 +1121,7 @@ undo_setattr: int cifs_unlink(struct inode *dir, struct dentry *dentry) { int rc = 0; - int xid; + unsigned int xid; char *full_path = NULL; struct inode *inode = dentry->d_inode; struct cifsInodeInfo *cifs_inode; @@ -1188,7 +1139,7 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry) return PTR_ERR(tlink); tcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); /* Unlink can be called from rename so we can not take the * sb->s_vfs_rename_mutex here */ @@ -1198,9 +1149,8 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry) goto unlink_out; } - if ((tcon->ses->capabilities & CAP_UNIX) && - (CIFS_UNIX_POSIX_PATH_OPS_CAP & - le64_to_cpu(tcon->fsUnixInfo.Capability))) { + if (cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP & + le64_to_cpu(tcon->fsUnixInfo.Capability))) { rc = CIFSPOSIXDelFile(xid, tcon, full_path, SMB_POSIX_UNLINK_FILE_TARGET, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); @@ -1264,7 +1214,7 @@ out_reval: unlink_out: kfree(full_path); kfree(attrs); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); return rc; } @@ -1272,10 +1222,10 @@ unlink_out: int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) { int rc = 0, tmprc; - int xid; + unsigned int xid; struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; - struct cifs_tcon *pTcon; + struct cifs_tcon *tcon; char *full_path = NULL; struct inode *newinode = NULL; struct cifs_fattr fattr; @@ -1286,9 +1236,9 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) return PTR_ERR(tlink); - pTcon = tlink_tcon(tlink); + tcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); full_path = build_path_from_dentry(direntry); if (full_path == NULL) { @@ -1296,9 +1246,8 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) goto mkdir_out; } - if ((pTcon->ses->capabilities & CAP_UNIX) && - (CIFS_UNIX_POSIX_PATH_OPS_CAP & - le64_to_cpu(pTcon->fsUnixInfo.Capability))) { + if (cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP & + le64_to_cpu(tcon->fsUnixInfo.Capability))) { u32 oplock = 0; FILE_UNIX_BASIC_INFO *pInfo = kzalloc(sizeof(FILE_UNIX_BASIC_INFO), GFP_KERNEL); @@ -1308,7 +1257,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) } mode &= ~current_umask(); - rc = CIFSPOSIXCreate(xid, pTcon, SMB_O_DIRECTORY | SMB_O_CREAT, + rc = CIFSPOSIXCreate(xid, tcon, SMB_O_DIRECTORY | SMB_O_CREAT, mode, NULL /* netfid */, pInfo, &oplock, full_path, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & @@ -1352,14 +1301,14 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) } mkdir_retry_old: /* BB add setting the equivalent of mode via CreateX w/ACLs */ - rc = CIFSSMBMkDir(xid, pTcon, full_path, cifs_sb->local_nls, + rc = CIFSSMBMkDir(xid, tcon, full_path, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc) { cFYI(1, "cifs_mkdir returned 0x%x", rc); d_drop(direntry); } else { mkdir_get_info: - if (pTcon->unix_ext) + if (tcon->unix_ext) rc = cifs_get_inode_info_unix(&newinode, full_path, inode->i_sb, xid); else @@ -1377,7 +1326,7 @@ mkdir_get_info: if (inode->i_mode & S_ISGID) mode |= S_ISGID; - if (pTcon->unix_ext) { + if (tcon->unix_ext) { struct cifs_unix_set_info_args args = { .mode = mode, .ctime = NO_CHANGE_64, @@ -1395,7 +1344,7 @@ mkdir_get_info: args.uid = NO_CHANGE_64; args.gid = NO_CHANGE_64; } - CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, &args, + CIFSSMBUnixSetPathInfo(xid, tcon, full_path, &args, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); @@ -1410,7 +1359,7 @@ mkdir_get_info: cifsInode = CIFS_I(newinode); dosattrs = cifsInode->cifsAttrs|ATTR_READONLY; pInfo.Attributes = cpu_to_le32(dosattrs); - tmprc = CIFSSMBSetPathInfo(xid, pTcon, + tmprc = CIFSSMBSetPathInfo(xid, tcon, full_path, &pInfo, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & @@ -1445,7 +1394,7 @@ mkdir_out: */ CIFS_I(inode)->time = 0; kfree(full_path); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); return rc; } @@ -1453,7 +1402,7 @@ mkdir_out: int cifs_rmdir(struct inode *inode, struct dentry *direntry) { int rc = 0; - int xid; + unsigned int xid; struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; struct cifs_tcon *pTcon; @@ -1462,7 +1411,7 @@ int cifs_rmdir(struct inode *inode, struct dentry *direntry) cFYI(1, "cifs_rmdir, inode = 0x%p", inode); - xid = GetXid(); + xid = get_xid(); full_path = build_path_from_dentry(direntry); if (full_path == NULL) { @@ -1505,13 +1454,14 @@ int cifs_rmdir(struct inode *inode, struct dentry *direntry) rmdir_exit: kfree(full_path); - FreeXid(xid); + free_xid(xid); return rc; } static int -cifs_do_rename(int xid, struct dentry *from_dentry, const char *fromPath, - struct dentry *to_dentry, const char *toPath) +cifs_do_rename(unsigned int xid, struct dentry *from_dentry, + const char *fromPath, struct dentry *to_dentry, + const char *toPath) { struct cifs_sb_info *cifs_sb = CIFS_SB(from_dentry->d_sb); struct tcon_link *tlink; @@ -1570,7 +1520,8 @@ int cifs_rename(struct inode *source_dir, struct dentry *source_dentry, struct cifs_tcon *tcon; FILE_UNIX_BASIC_INFO *info_buf_source = NULL; FILE_UNIX_BASIC_INFO *info_buf_target; - int xid, rc, tmprc; + unsigned int xid; + int rc, tmprc; cifs_sb = CIFS_SB(source_dir->i_sb); tlink = cifs_sb_tlink(cifs_sb); @@ -1578,7 +1529,7 @@ int cifs_rename(struct inode *source_dir, struct dentry *source_dentry, return PTR_ERR(tlink); tcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); /* * we already have the rename sem so we do not need to @@ -1651,7 +1602,7 @@ cifs_rename_exit: kfree(info_buf_source); kfree(fromName); kfree(toName); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); return rc; } @@ -1726,7 +1677,7 @@ int cifs_revalidate_file_attr(struct file *filp) int cifs_revalidate_dentry_attr(struct dentry *dentry) { - int xid; + unsigned int xid; int rc = 0; struct inode *inode = dentry->d_inode; struct super_block *sb = dentry->d_sb; @@ -1738,7 +1689,7 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry) if (!cifs_inode_needs_reval(inode)) return rc; - xid = GetXid(); + xid = get_xid(); /* can not safely grab the rename sem here if rename calls revalidate since that would deadlock */ @@ -1760,7 +1711,7 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry) out: kfree(full_path); - FreeXid(xid); + free_xid(xid); return rc; } @@ -1868,7 +1819,7 @@ static void cifs_setsize(struct inode *inode, loff_t offset) static int cifs_set_file_size(struct inode *inode, struct iattr *attrs, - int xid, char *full_path) + unsigned int xid, char *full_path) { int rc; struct cifsFileInfo *open_file; @@ -1970,7 +1921,7 @@ static int cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs) { int rc; - int xid; + unsigned int xid; char *full_path = NULL; struct inode *inode = direntry->d_inode; struct cifsInodeInfo *cifsInode = CIFS_I(inode); @@ -1983,7 +1934,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs) cFYI(1, "setattr_unix on file %s attrs->ia_valid=0x%x", direntry->d_name.name, attrs->ia_valid); - xid = GetXid(); + xid = get_xid(); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) attrs->ia_valid |= ATTR_FORCE; @@ -2103,14 +2054,14 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs) out: kfree(args); kfree(full_path); - FreeXid(xid); + free_xid(xid); return rc; } static int cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) { - int xid; + unsigned int xid; uid_t uid = NO_CHANGE_32; gid_t gid = NO_CHANGE_32; struct inode *inode = direntry->d_inode; @@ -2121,7 +2072,7 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) __u32 dosattr = 0; __u64 mode = NO_CHANGE_64; - xid = GetXid(); + xid = get_xid(); cFYI(1, "setattr on file %s attrs->iavalid 0x%x", direntry->d_name.name, attrs->ia_valid); @@ -2131,14 +2082,14 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) rc = inode_change_ok(inode, attrs); if (rc < 0) { - FreeXid(xid); + free_xid(xid); return rc; } full_path = build_path_from_dentry(direntry); if (full_path == NULL) { rc = -ENOMEM; - FreeXid(xid); + free_xid(xid); return rc; } @@ -2264,7 +2215,7 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) cifs_setattr_exit: kfree(full_path); - FreeXid(xid); + free_xid(xid); return rc; } diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 6d2667f0c98c..ae082a66de2f 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -34,7 +34,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) { struct inode *inode = filep->f_dentry->d_inode; int rc = -ENOTTY; /* strange error - but the precedent */ - int xid; + unsigned int xid; struct cifs_sb_info *cifs_sb; #ifdef CONFIG_CIFS_POSIX struct cifsFileInfo *pSMBFile = filep->private_data; @@ -44,7 +44,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) __u64 caps; #endif /* CONFIG_CIFS_POSIX */ - xid = GetXid(); + xid = get_xid(); cFYI(1, "ioctl file %p cmd %u arg %lu", filep, command, arg); @@ -105,6 +105,6 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) break; } - FreeXid(xid); + free_xid(xid); return rc; } diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 6b0e06434391..09e4b3ae4564 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -56,14 +56,14 @@ symlink_hash(unsigned int link_len, const char *link_str, u8 *md5_hash) md5 = crypto_alloc_shash("md5", 0, 0); if (IS_ERR(md5)) { rc = PTR_ERR(md5); - cERROR(1, "%s: Crypto md5 allocation error %d\n", __func__, rc); + cERROR(1, "%s: Crypto md5 allocation error %d", __func__, rc); return rc; } size = sizeof(struct shash_desc) + crypto_shash_descsize(md5); sdescmd5 = kmalloc(size, GFP_KERNEL); if (!sdescmd5) { rc = -ENOMEM; - cERROR(1, "%s: Memory allocation failure\n", __func__); + cERROR(1, "%s: Memory allocation failure", __func__); goto symlink_hash_err; } sdescmd5->shash.tfm = md5; @@ -71,17 +71,17 @@ symlink_hash(unsigned int link_len, const char *link_str, u8 *md5_hash) rc = crypto_shash_init(&sdescmd5->shash); if (rc) { - cERROR(1, "%s: Could not init md5 shash\n", __func__); + cERROR(1, "%s: Could not init md5 shash", __func__); goto symlink_hash_err; } rc = crypto_shash_update(&sdescmd5->shash, link_str, link_len); if (rc) { - cERROR(1, "%s: Could not update iwth link_str\n", __func__); + cERROR(1, "%s: Could not update iwth link_str", __func__); goto symlink_hash_err; } rc = crypto_shash_final(&sdescmd5->shash, md5_hash); if (rc) - cERROR(1, "%s: Could not generate md5 hash\n", __func__); + cERROR(1, "%s: Could not generate md5 hash", __func__); symlink_hash_err: crypto_free_shash(md5); @@ -115,7 +115,7 @@ CIFSParseMFSymlink(const u8 *buf, rc = symlink_hash(link_len, link_str, md5_hash); if (rc) { - cFYI(1, "%s: MD5 hash failure: %d\n", __func__, rc); + cFYI(1, "%s: MD5 hash failure: %d", __func__, rc); return rc; } @@ -154,7 +154,7 @@ CIFSFormatMFSymlink(u8 *buf, unsigned int buf_len, const char *link_str) rc = symlink_hash(link_len, link_str, md5_hash); if (rc) { - cFYI(1, "%s: MD5 hash failure: %d\n", __func__, rc); + cFYI(1, "%s: MD5 hash failure: %d", __func__, rc); return rc; } @@ -181,7 +181,7 @@ CIFSFormatMFSymlink(u8 *buf, unsigned int buf_len, const char *link_str) } static int -CIFSCreateMFSymLink(const int xid, struct cifs_tcon *tcon, +CIFSCreateMFSymLink(const unsigned int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, struct cifs_sb_info *cifs_sb) { @@ -238,7 +238,7 @@ CIFSCreateMFSymLink(const int xid, struct cifs_tcon *tcon, } static int -CIFSQueryMFSymLink(const int xid, struct cifs_tcon *tcon, +CIFSQueryMFSymLink(const unsigned int xid, struct cifs_tcon *tcon, const unsigned char *searchName, char **symlinkinfo, const struct nls_table *nls_codepage, int remap) { @@ -307,7 +307,7 @@ CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr) int CIFSCheckMFSymlink(struct cifs_fattr *fattr, const unsigned char *path, - struct cifs_sb_info *cifs_sb, int xid) + struct cifs_sb_info *cifs_sb, unsigned int xid) { int rc; int oplock = 0; @@ -390,7 +390,7 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode, struct dentry *direntry) { int rc = -EACCES; - int xid; + unsigned int xid; char *fromName = NULL; char *toName = NULL; struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); @@ -403,7 +403,7 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode, return PTR_ERR(tlink); pTcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); fromName = build_path_from_dentry(old_file); toName = build_path_from_dentry(direntry); @@ -455,7 +455,7 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode, cifs_hl_exit: kfree(fromName); kfree(toName); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); return rc; } @@ -465,14 +465,14 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd) { struct inode *inode = direntry->d_inode; int rc = -ENOMEM; - int xid; + unsigned int xid; char *full_path = NULL; char *target_path = NULL; struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); struct tcon_link *tlink = NULL; struct cifs_tcon *tcon; - xid = GetXid(); + xid = get_xid(); tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) { @@ -495,8 +495,8 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd) * but there doesn't seem to be any harm in allowing the client to * read them. */ - if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) - && !(tcon->ses->capabilities & CAP_UNIX)) { + if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) && + !cap_unix(tcon->ses)) { rc = -EACCES; goto out; } @@ -518,7 +518,7 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd) cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - if ((rc != 0) && (tcon->ses->capabilities & CAP_UNIX)) + if ((rc != 0) && cap_unix(tcon->ses)) rc = CIFSSMBUnixQuerySymLink(xid, tcon, full_path, &target_path, cifs_sb->local_nls); @@ -529,7 +529,7 @@ out: target_path = ERR_PTR(rc); } - FreeXid(xid); + free_xid(xid); if (tlink) cifs_put_tlink(tlink); nd_set_link(nd, target_path); @@ -540,14 +540,14 @@ int cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname) { int rc = -EOPNOTSUPP; - int xid; + unsigned int xid; struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); struct tcon_link *tlink; struct cifs_tcon *pTcon; char *full_path = NULL; struct inode *newinode = NULL; - xid = GetXid(); + xid = get_xid(); tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) { @@ -594,7 +594,7 @@ cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname) symlink_exit: kfree(full_path); cifs_put_tlink(tlink); - FreeXid(xid); + free_xid(xid); return rc; } diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 557506ae1e2a..ce41fee07e5b 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -29,6 +29,9 @@ #include "smberr.h" #include "nterr.h" #include "cifs_unicode.h" +#ifdef CONFIG_CIFS_SMB2 +#include "smb2pdu.h" +#endif extern mempool_t *cifs_sm_req_poolp; extern mempool_t *cifs_req_poolp; @@ -40,7 +43,7 @@ extern mempool_t *cifs_req_poolp; since the cifs fs was mounted */ unsigned int -_GetXid(void) +_get_xid(void) { unsigned int xid; @@ -58,7 +61,7 @@ _GetXid(void) } void -_FreeXid(unsigned int xid) +_free_xid(unsigned int xid) { spin_lock(&GlobalMid_Lock); /* if (GlobalTotalActiveXid == 0) @@ -143,17 +146,27 @@ struct smb_hdr * cifs_buf_get(void) { struct smb_hdr *ret_buf = NULL; - -/* We could use negotiated size instead of max_msgsize - - but it may be more efficient to always alloc same size - albeit slightly larger than necessary and maxbuffersize - defaults to this and can not be bigger */ + size_t buf_size = sizeof(struct smb_hdr); + +#ifdef CONFIG_CIFS_SMB2 + /* + * SMB2 header is bigger than CIFS one - no problems to clean some + * more bytes for CIFS. + */ + buf_size = sizeof(struct smb2_hdr); +#endif + /* + * We could use negotiated size instead of max_msgsize - + * but it may be more efficient to always alloc same size + * albeit slightly larger than necessary and maxbuffersize + * defaults to this and can not be bigger. + */ ret_buf = mempool_alloc(cifs_req_poolp, GFP_NOFS); /* clear the first few header bytes */ /* for most paths, more is cleared in header_assemble */ if (ret_buf) { - memset(ret_buf, 0, sizeof(struct smb_hdr) + 3); + memset(ret_buf, 0, buf_size + 3); atomic_inc(&bufAllocCount); #ifdef CONFIG_CIFS_STATS2 atomic_inc(&totBufAllocCount); @@ -448,7 +461,7 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv) if (tcon->tid != buf->Tid) continue; - cifs_stats_inc(&tcon->num_oplock_brks); + cifs_stats_inc(&tcon->stats.cifs_stats.num_oplock_brks); spin_lock(&cifs_file_list_lock); list_for_each(tmp2, &tcon->openFileList) { netfile = list_entry(tmp2, struct cifsFileInfo, diff --git a/fs/cifs/nterr.c b/fs/cifs/nterr.c index 819fd994b121..b6023c646123 100644 --- a/fs/cifs/nterr.c +++ b/fs/cifs/nterr.c @@ -31,7 +31,7 @@ const struct nt_err_code_struct nt_errs[] = { {"NT_STATUS_INVALID_INFO_CLASS", NT_STATUS_INVALID_INFO_CLASS}, {"NT_STATUS_INFO_LENGTH_MISMATCH", NT_STATUS_INFO_LENGTH_MISMATCH}, {"NT_STATUS_ACCESS_VIOLATION", NT_STATUS_ACCESS_VIOLATION}, - {"STATUS_BUFFER_OVERFLOW", STATUS_BUFFER_OVERFLOW}, + {"NT_STATUS_BUFFER_OVERFLOW", NT_STATUS_BUFFER_OVERFLOW}, {"NT_STATUS_IN_PAGE_ERROR", NT_STATUS_IN_PAGE_ERROR}, {"NT_STATUS_PAGEFILE_QUOTA", NT_STATUS_PAGEFILE_QUOTA}, {"NT_STATUS_INVALID_HANDLE", NT_STATUS_INVALID_HANDLE}, @@ -681,7 +681,7 @@ const struct nt_err_code_struct nt_errs[] = { NT_STATUS_QUOTA_LIST_INCONSISTENT}, {"NT_STATUS_FILE_IS_OFFLINE", NT_STATUS_FILE_IS_OFFLINE}, {"NT_STATUS_NO_MORE_ENTRIES", NT_STATUS_NO_MORE_ENTRIES}, - {"STATUS_MORE_ENTRIES", STATUS_MORE_ENTRIES}, - {"STATUS_SOME_UNMAPPED", STATUS_SOME_UNMAPPED}, + {"NT_STATUS_MORE_ENTRIES", NT_STATUS_MORE_ENTRIES}, + {"NT_STATUS_SOME_UNMAPPED", NT_STATUS_SOME_UNMAPPED}, {NULL, 0} }; diff --git a/fs/cifs/nterr.h b/fs/cifs/nterr.h index 257267367d41..7a0eae5ae7c9 100644 --- a/fs/cifs/nterr.h +++ b/fs/cifs/nterr.h @@ -35,18 +35,20 @@ struct nt_err_code_struct { extern const struct nt_err_code_struct nt_errs[]; /* Win32 Status codes. */ -#define STATUS_MORE_ENTRIES 0x0105 -#define ERROR_INVALID_PARAMETER 0x0057 -#define ERROR_INSUFFICIENT_BUFFER 0x007a -#define STATUS_1804 0x070c -#define STATUS_NOTIFY_ENUM_DIR 0x010c +#define NT_STATUS_MORE_ENTRIES 0x0105 +#define NT_ERROR_INVALID_PARAMETER 0x0057 +#define NT_ERROR_INSUFFICIENT_BUFFER 0x007a +#define NT_STATUS_1804 0x070c +#define NT_STATUS_NOTIFY_ENUM_DIR 0x010c -/* Win32 Error codes extracted using a loop in smbclient then printing a - netmon sniff to a file. */ +/* + * Win32 Error codes extracted using a loop in smbclient then printing a netmon + * sniff to a file. + */ -#define NT_STATUS_OK 0x0000 -#define STATUS_SOME_UNMAPPED 0x0107 -#define STATUS_BUFFER_OVERFLOW 0x80000005 +#define NT_STATUS_OK 0x0000 +#define NT_STATUS_SOME_UNMAPPED 0x0107 +#define NT_STATUS_BUFFER_OVERFLOW 0x80000005 #define NT_STATUS_NO_MORE_ENTRIES 0x8000001a #define NT_STATUS_MEDIA_CHANGED 0x8000001c #define NT_STATUS_END_OF_MEDIA 0x8000001e diff --git a/fs/cifs/ntlmssp.h b/fs/cifs/ntlmssp.h index 5d52e4a3b1ed..848249fa120f 100644 --- a/fs/cifs/ntlmssp.h +++ b/fs/cifs/ntlmssp.h @@ -126,3 +126,13 @@ typedef struct _AUTHENTICATE_MESSAGE { do not set the version is present flag */ char UserString[0]; } __attribute__((packed)) AUTHENTICATE_MESSAGE, *PAUTHENTICATE_MESSAGE; + +/* + * Size of the session key (crypto key encrypted with the password + */ + +int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len, struct cifs_ses *ses); +void build_ntlmssp_negotiate_blob(unsigned char *pbuffer, struct cifs_ses *ses); +int build_ntlmssp_auth_blob(unsigned char *pbuffer, u16 *buflen, + struct cifs_ses *ses, + const struct nls_table *nls_cp); diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 0a8224d1c4c5..d87f82678bc7 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -86,9 +86,12 @@ cifs_readdir_lookup(struct dentry *parent, struct qstr *name, dentry = d_lookup(parent, name); if (dentry) { - /* FIXME: check for inode number changes? */ - if (dentry->d_inode != NULL) + inode = dentry->d_inode; + /* update inode in place if i_ino didn't change */ + if (inode && CIFS_I(inode)->uniqueid == fattr->cf_uniqueid) { + cifs_fattr_to_inode(inode, fattr); return dentry; + } d_drop(dentry); dput(dentry); } @@ -190,7 +193,7 @@ cifs_std_info_to_fattr(struct cifs_fattr *fattr, FIND_FILE_STANDARD_INFO *info, we try to do FindFirst on (NTFS) directory symlinks */ /* int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb, - int xid) + unsigned int xid) { __u16 fid; int len; @@ -217,7 +220,7 @@ int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb, } */ -static int initiate_cifs_search(const int xid, struct file *file) +static int initiate_cifs_search(const unsigned int xid, struct file *file) { __u16 search_flags; int rc = 0; @@ -225,7 +228,7 @@ static int initiate_cifs_search(const int xid, struct file *file) struct cifsFileInfo *cifsFile; struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); struct tcon_link *tlink = NULL; - struct cifs_tcon *pTcon; + struct cifs_tcon *tcon; if (file->private_data == NULL) { tlink = cifs_sb_tlink(cifs_sb); @@ -239,10 +242,10 @@ static int initiate_cifs_search(const int xid, struct file *file) } file->private_data = cifsFile; cifsFile->tlink = cifs_get_tlink(tlink); - pTcon = tlink_tcon(tlink); + tcon = tlink_tcon(tlink); } else { cifsFile = file->private_data; - pTcon = tlink_tcon(cifsFile->tlink); + tcon = tlink_tcon(cifsFile->tlink); } cifsFile->invalidHandle = true; @@ -259,11 +262,11 @@ static int initiate_cifs_search(const int xid, struct file *file) ffirst_retry: /* test for Unix extensions */ /* but now check for them on the share/mount not on the SMB session */ -/* if (pTcon->ses->capabilities & CAP_UNIX) { */ - if (pTcon->unix_ext) + /* if (cap_unix(tcon->ses) { */ + if (tcon->unix_ext) cifsFile->srch_inf.info_level = SMB_FIND_FILE_UNIX; - else if ((pTcon->ses->capabilities & - (CAP_NT_SMBS | CAP_NT_FIND)) == 0) { + else if ((tcon->ses->capabilities & + tcon->ses->server->vals->cap_nt_find) == 0) { cifsFile->srch_inf.info_level = SMB_FIND_FILE_INFO_STANDARD; } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) { cifsFile->srch_inf.info_level = SMB_FIND_FILE_ID_FULL_DIR_INFO; @@ -275,7 +278,7 @@ ffirst_retry: if (backup_cred(cifs_sb)) search_flags |= CIFS_SEARCH_BACKUP_SEARCH; - rc = CIFSFindFirst(xid, pTcon, full_path, cifs_sb->local_nls, + rc = CIFSFindFirst(xid, tcon, full_path, cifs_sb->local_nls, &cifsFile->netfid, search_flags, &cifsFile->srch_inf, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR, CIFS_DIR_SEP(cifs_sb)); @@ -504,7 +507,7 @@ static int cifs_save_resume_key(const char *current_entry, assume that they are located in the findfirst return buffer.*/ /* We start counting in the buffer with entry 2 and increment for every entry (do not increment for . or .. entry) */ -static int find_cifs_entry(const int xid, struct cifs_tcon *pTcon, +static int find_cifs_entry(const unsigned int xid, struct cifs_tcon *pTcon, struct file *file, char **ppCurrentEntry, int *num_to_ret) { __u16 search_flags; @@ -718,7 +721,8 @@ static int cifs_filldir(char *find_entry, struct file *file, filldir_t filldir, int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) { int rc = 0; - int xid, i; + unsigned int xid; + int i; struct cifs_tcon *pTcon; struct cifsFileInfo *cifsFile = NULL; char *current_entry; @@ -727,7 +731,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) char *end_of_smb; unsigned int max_len; - xid = GetXid(); + xid = get_xid(); /* * Ensure FindFirst doesn't fail before doing filldir() for '.' and @@ -765,7 +769,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) if (file->private_data == NULL) { rc = -EINVAL; - FreeXid(xid); + free_xid(xid); return rc; } cifsFile = file->private_data; @@ -837,6 +841,6 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) } /* end switch */ rddir2_exit: - FreeXid(xid); + free_xid(xid); return rc; } diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 551d0c2b9736..382c06d01b38 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -364,7 +364,7 @@ static int decode_ascii_ssetup(char **pbcc_area, __u16 bleft, return rc; } -static int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len, +int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len, struct cifs_ses *ses) { unsigned int tioffset; /* challenge message target info area */ @@ -415,7 +415,7 @@ static int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len, /* We do not malloc the blob, it is passed in pbuffer, because it is fixed size, and small, making this approach cleaner */ -static void build_ntlmssp_negotiate_blob(unsigned char *pbuffer, +void build_ntlmssp_negotiate_blob(unsigned char *pbuffer, struct cifs_ses *ses) { NEGOTIATE_MESSAGE *sec_blob = (NEGOTIATE_MESSAGE *)pbuffer; @@ -451,7 +451,7 @@ static void build_ntlmssp_negotiate_blob(unsigned char *pbuffer, /* We do not malloc the blob, it is passed in pbuffer, because its maximum possible size is fixed and small, making this approach cleaner. This function returns the length of the data in the blob */ -static int build_ntlmssp_auth_blob(unsigned char *pbuffer, +int build_ntlmssp_auth_blob(unsigned char *pbuffer, u16 *buflen, struct cifs_ses *ses, const struct nls_table *nls_cp) @@ -556,7 +556,7 @@ setup_ntlmv2_ret: } int -CIFS_SessSetup(unsigned int xid, struct cifs_ses *ses, +CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses, const struct nls_table *nls_cp) { int rc = 0; @@ -898,7 +898,7 @@ ssetup_ntlmssp_authenticate: if (action & GUEST_LOGIN) cFYI(1, "Guest login"); /* BB mark SesInfo struct? */ ses->Suid = smb_buf->Uid; /* UID left in wire format (le) */ - cFYI(1, "UID = %d ", ses->Suid); + cFYI(1, "UID = %llu ", ses->Suid); /* response can have either 3 or 4 word count - Samba sends 3 */ /* and lanman response is 3 */ bytes_remaining = get_bcc(smb_buf); @@ -938,7 +938,7 @@ ssetup_ntlmssp_authenticate: ssetup_exit: if (spnego_key) { - key_revoke(spnego_key); + key_invalidate(spnego_key); key_put(spnego_key); } kfree(str_area); diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 6dec38f5522d..c40356d24c5c 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -101,7 +101,8 @@ cifs_find_mid(struct TCP_Server_Info *server, char *buffer) } static void -cifs_add_credits(struct TCP_Server_Info *server, const unsigned int add) +cifs_add_credits(struct TCP_Server_Info *server, const unsigned int add, + const int optype) { spin_lock(&server->req_lock); server->credits += add; @@ -120,11 +121,17 @@ cifs_set_credits(struct TCP_Server_Info *server, const int val) } static int * -cifs_get_credits_field(struct TCP_Server_Info *server) +cifs_get_credits_field(struct TCP_Server_Info *server, const int optype) { return &server->credits; } +static unsigned int +cifs_get_credits(struct mid_q_entry *mid) +{ + return 1; +} + /* * Find a free multiplex id (SMB mid). Otherwise there could be * mid collisions which might cause problems, demultiplexing the @@ -213,14 +220,382 @@ cifs_get_next_mid(struct TCP_Server_Info *server) return mid; } +/* + return codes: + 0 not a transact2, or all data present + >0 transact2 with that much data missing + -EINVAL invalid transact2 + */ +static int +check2ndT2(char *buf) +{ + struct smb_hdr *pSMB = (struct smb_hdr *)buf; + struct smb_t2_rsp *pSMBt; + int remaining; + __u16 total_data_size, data_in_this_rsp; + + if (pSMB->Command != SMB_COM_TRANSACTION2) + return 0; + + /* check for plausible wct, bcc and t2 data and parm sizes */ + /* check for parm and data offset going beyond end of smb */ + if (pSMB->WordCount != 10) { /* coalesce_t2 depends on this */ + cFYI(1, "invalid transact2 word count"); + return -EINVAL; + } + + pSMBt = (struct smb_t2_rsp *)pSMB; + + total_data_size = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount); + data_in_this_rsp = get_unaligned_le16(&pSMBt->t2_rsp.DataCount); + + if (total_data_size == data_in_this_rsp) + return 0; + else if (total_data_size < data_in_this_rsp) { + cFYI(1, "total data %d smaller than data in frame %d", + total_data_size, data_in_this_rsp); + return -EINVAL; + } + + remaining = total_data_size - data_in_this_rsp; + + cFYI(1, "missing %d bytes from transact2, check next response", + remaining); + if (total_data_size > CIFSMaxBufSize) { + cERROR(1, "TotalDataSize %d is over maximum buffer %d", + total_data_size, CIFSMaxBufSize); + return -EINVAL; + } + return remaining; +} + +static int +coalesce_t2(char *second_buf, struct smb_hdr *target_hdr) +{ + struct smb_t2_rsp *pSMBs = (struct smb_t2_rsp *)second_buf; + struct smb_t2_rsp *pSMBt = (struct smb_t2_rsp *)target_hdr; + char *data_area_of_tgt; + char *data_area_of_src; + int remaining; + unsigned int byte_count, total_in_tgt; + __u16 tgt_total_cnt, src_total_cnt, total_in_src; + + src_total_cnt = get_unaligned_le16(&pSMBs->t2_rsp.TotalDataCount); + tgt_total_cnt = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount); + + if (tgt_total_cnt != src_total_cnt) + cFYI(1, "total data count of primary and secondary t2 differ " + "source=%hu target=%hu", src_total_cnt, tgt_total_cnt); + + total_in_tgt = get_unaligned_le16(&pSMBt->t2_rsp.DataCount); + + remaining = tgt_total_cnt - total_in_tgt; + + if (remaining < 0) { + cFYI(1, "Server sent too much data. tgt_total_cnt=%hu " + "total_in_tgt=%hu", tgt_total_cnt, total_in_tgt); + return -EPROTO; + } + + if (remaining == 0) { + /* nothing to do, ignore */ + cFYI(1, "no more data remains"); + return 0; + } + + total_in_src = get_unaligned_le16(&pSMBs->t2_rsp.DataCount); + if (remaining < total_in_src) + cFYI(1, "transact2 2nd response contains too much data"); + + /* find end of first SMB data area */ + data_area_of_tgt = (char *)&pSMBt->hdr.Protocol + + get_unaligned_le16(&pSMBt->t2_rsp.DataOffset); + + /* validate target area */ + data_area_of_src = (char *)&pSMBs->hdr.Protocol + + get_unaligned_le16(&pSMBs->t2_rsp.DataOffset); + + data_area_of_tgt += total_in_tgt; + + total_in_tgt += total_in_src; + /* is the result too big for the field? */ + if (total_in_tgt > USHRT_MAX) { + cFYI(1, "coalesced DataCount too large (%u)", total_in_tgt); + return -EPROTO; + } + put_unaligned_le16(total_in_tgt, &pSMBt->t2_rsp.DataCount); + + /* fix up the BCC */ + byte_count = get_bcc(target_hdr); + byte_count += total_in_src; + /* is the result too big for the field? */ + if (byte_count > USHRT_MAX) { + cFYI(1, "coalesced BCC too large (%u)", byte_count); + return -EPROTO; + } + put_bcc(byte_count, target_hdr); + + byte_count = be32_to_cpu(target_hdr->smb_buf_length); + byte_count += total_in_src; + /* don't allow buffer to overflow */ + if (byte_count > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) { + cFYI(1, "coalesced BCC exceeds buffer size (%u)", byte_count); + return -ENOBUFS; + } + target_hdr->smb_buf_length = cpu_to_be32(byte_count); + + /* copy second buffer into end of first buffer */ + memcpy(data_area_of_tgt, data_area_of_src, total_in_src); + + if (remaining != total_in_src) { + /* more responses to go */ + cFYI(1, "waiting for more secondary responses"); + return 1; + } + + /* we are done */ + cFYI(1, "found the last secondary response"); + return 0; +} + +static bool +cifs_check_trans2(struct mid_q_entry *mid, struct TCP_Server_Info *server, + char *buf, int malformed) +{ + if (malformed) + return false; + if (check2ndT2(buf) <= 0) + return false; + mid->multiRsp = true; + if (mid->resp_buf) { + /* merge response - fix up 1st*/ + malformed = coalesce_t2(buf, mid->resp_buf); + if (malformed > 0) + return true; + /* All parts received or packet is malformed. */ + mid->multiEnd = true; + dequeue_mid(mid, malformed); + return true; + } + if (!server->large_buf) { + /*FIXME: switch to already allocated largebuf?*/ + cERROR(1, "1st trans2 resp needs bigbuf"); + } else { + /* Have first buffer */ + mid->resp_buf = buf; + mid->large_buf = true; + server->bigbuf = NULL; + } + return true; +} + +static bool +cifs_need_neg(struct TCP_Server_Info *server) +{ + return server->maxBuf == 0; +} + +static int +cifs_negotiate(const unsigned int xid, struct cifs_ses *ses) +{ + int rc; + rc = CIFSSMBNegotiate(xid, ses); + if (rc == -EAGAIN) { + /* retry only once on 1st time connection */ + set_credits(ses->server, 1); + rc = CIFSSMBNegotiate(xid, ses); + if (rc == -EAGAIN) + rc = -EHOSTDOWN; + } + return rc; +} + +static void +cifs_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) +{ + CIFSSMBQFSDeviceInfo(xid, tcon); + CIFSSMBQFSAttributeInfo(xid, tcon); +} + +static int +cifs_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, const char *full_path) +{ + int rc; + FILE_ALL_INFO *file_info; + + file_info = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL); + if (file_info == NULL) + return -ENOMEM; + + rc = CIFSSMBQPathInfo(xid, tcon, full_path, file_info, + 0 /* not legacy */, cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + + if (rc == -EOPNOTSUPP || rc == -EINVAL) + rc = SMBQueryInformation(xid, tcon, full_path, file_info, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + kfree(file_info); + return rc; +} + +static int +cifs_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, const char *full_path, + FILE_ALL_INFO *data, bool *adjustTZ) +{ + int rc; + + /* could do find first instead but this returns more info */ + rc = CIFSSMBQPathInfo(xid, tcon, full_path, data, 0 /* not legacy */, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + /* + * BB optimize code so we do not make the above call when server claims + * no NT SMB support and the above call failed at least once - set flag + * in tcon or mount. + */ + if ((rc == -EOPNOTSUPP) || (rc == -EINVAL)) { + rc = SMBQueryInformation(xid, tcon, full_path, data, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + *adjustTZ = true; + } + return rc; +} + +static int +cifs_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, const char *full_path, + u64 *uniqueid, FILE_ALL_INFO *data) +{ + /* + * We can not use the IndexNumber field by default from Windows or + * Samba (in ALL_INFO buf) but we can request it explicitly. The SNIA + * CIFS spec claims that this value is unique within the scope of a + * share, and the windows docs hint that it's actually unique + * per-machine. + * + * There may be higher info levels that work but are there Windows + * server or network appliances for which IndexNumber field is not + * guaranteed unique? + */ + return CIFSGetSrvInodeNumber(xid, tcon, full_path, uniqueid, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); +} + +static char * +cifs_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb, + struct cifs_tcon *tcon) +{ + int pplen = vol->prepath ? strlen(vol->prepath) : 0; + int dfsplen; + char *full_path = NULL; + + /* if no prefix path, simply set path to the root of share to "" */ + if (pplen == 0) { + full_path = kzalloc(1, GFP_KERNEL); + return full_path; + } + + if (tcon->Flags & SMB_SHARE_IS_IN_DFS) + dfsplen = strnlen(tcon->treeName, MAX_TREE_SIZE + 1); + else + dfsplen = 0; + + full_path = kmalloc(dfsplen + pplen + 1, GFP_KERNEL); + if (full_path == NULL) + return full_path; + + if (dfsplen) + strncpy(full_path, tcon->treeName, dfsplen); + strncpy(full_path + dfsplen, vol->prepath, pplen); + convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb)); + full_path[dfsplen + pplen] = 0; /* add trailing null */ + return full_path; +} + +static void +cifs_clear_stats(struct cifs_tcon *tcon) +{ +#ifdef CONFIG_CIFS_STATS + atomic_set(&tcon->stats.cifs_stats.num_writes, 0); + atomic_set(&tcon->stats.cifs_stats.num_reads, 0); + atomic_set(&tcon->stats.cifs_stats.num_flushes, 0); + atomic_set(&tcon->stats.cifs_stats.num_oplock_brks, 0); + atomic_set(&tcon->stats.cifs_stats.num_opens, 0); + atomic_set(&tcon->stats.cifs_stats.num_posixopens, 0); + atomic_set(&tcon->stats.cifs_stats.num_posixmkdirs, 0); + atomic_set(&tcon->stats.cifs_stats.num_closes, 0); + atomic_set(&tcon->stats.cifs_stats.num_deletes, 0); + atomic_set(&tcon->stats.cifs_stats.num_mkdirs, 0); + atomic_set(&tcon->stats.cifs_stats.num_rmdirs, 0); + atomic_set(&tcon->stats.cifs_stats.num_renames, 0); + atomic_set(&tcon->stats.cifs_stats.num_t2renames, 0); + atomic_set(&tcon->stats.cifs_stats.num_ffirst, 0); + atomic_set(&tcon->stats.cifs_stats.num_fnext, 0); + atomic_set(&tcon->stats.cifs_stats.num_fclose, 0); + atomic_set(&tcon->stats.cifs_stats.num_hardlinks, 0); + atomic_set(&tcon->stats.cifs_stats.num_symlinks, 0); + atomic_set(&tcon->stats.cifs_stats.num_locks, 0); + atomic_set(&tcon->stats.cifs_stats.num_acl_get, 0); + atomic_set(&tcon->stats.cifs_stats.num_acl_set, 0); +#endif +} + +static void +cifs_print_stats(struct seq_file *m, struct cifs_tcon *tcon) +{ +#ifdef CONFIG_CIFS_STATS + seq_printf(m, " Oplocks breaks: %d", + atomic_read(&tcon->stats.cifs_stats.num_oplock_brks)); + seq_printf(m, "\nReads: %d Bytes: %llu", + atomic_read(&tcon->stats.cifs_stats.num_reads), + (long long)(tcon->bytes_read)); + seq_printf(m, "\nWrites: %d Bytes: %llu", + atomic_read(&tcon->stats.cifs_stats.num_writes), + (long long)(tcon->bytes_written)); + seq_printf(m, "\nFlushes: %d", + atomic_read(&tcon->stats.cifs_stats.num_flushes)); + seq_printf(m, "\nLocks: %d HardLinks: %d Symlinks: %d", + atomic_read(&tcon->stats.cifs_stats.num_locks), + atomic_read(&tcon->stats.cifs_stats.num_hardlinks), + atomic_read(&tcon->stats.cifs_stats.num_symlinks)); + seq_printf(m, "\nOpens: %d Closes: %d Deletes: %d", + atomic_read(&tcon->stats.cifs_stats.num_opens), + atomic_read(&tcon->stats.cifs_stats.num_closes), + atomic_read(&tcon->stats.cifs_stats.num_deletes)); + seq_printf(m, "\nPosix Opens: %d Posix Mkdirs: %d", + atomic_read(&tcon->stats.cifs_stats.num_posixopens), + atomic_read(&tcon->stats.cifs_stats.num_posixmkdirs)); + seq_printf(m, "\nMkdirs: %d Rmdirs: %d", + atomic_read(&tcon->stats.cifs_stats.num_mkdirs), + atomic_read(&tcon->stats.cifs_stats.num_rmdirs)); + seq_printf(m, "\nRenames: %d T2 Renames %d", + atomic_read(&tcon->stats.cifs_stats.num_renames), + atomic_read(&tcon->stats.cifs_stats.num_t2renames)); + seq_printf(m, "\nFindFirst: %d FNext %d FClose %d", + atomic_read(&tcon->stats.cifs_stats.num_ffirst), + atomic_read(&tcon->stats.cifs_stats.num_fnext), + atomic_read(&tcon->stats.cifs_stats.num_fclose)); +#endif +} + struct smb_version_operations smb1_operations = { .send_cancel = send_nt_cancel, .compare_fids = cifs_compare_fids, .setup_request = cifs_setup_request, + .setup_async_request = cifs_setup_async_request, .check_receive = cifs_check_receive, .add_credits = cifs_add_credits, .set_credits = cifs_set_credits, .get_credits_field = cifs_get_credits_field, + .get_credits = cifs_get_credits, .get_next_mid = cifs_get_next_mid, .read_data_offset = cifs_read_data_offset, .read_data_length = cifs_read_data_length, @@ -228,7 +603,23 @@ struct smb_version_operations smb1_operations = { .find_mid = cifs_find_mid, .check_message = checkSMB, .dump_detail = cifs_dump_detail, + .clear_stats = cifs_clear_stats, + .print_stats = cifs_print_stats, .is_oplock_break = is_valid_oplock_break, + .check_trans2 = cifs_check_trans2, + .need_neg = cifs_need_neg, + .negotiate = cifs_negotiate, + .sess_setup = CIFS_SessSetup, + .logoff = CIFSSMBLogoff, + .tree_connect = CIFSTCon, + .tree_disconnect = CIFSSMBTDis, + .get_dfs_refer = CIFSGetDFSRefer, + .qfs_tcon = cifs_qfs_tcon, + .is_path_accessible = cifs_is_path_accessible, + .query_path_info = cifs_query_path_info, + .get_srv_inum = cifs_get_srv_inum, + .build_path_to_root = cifs_build_path_to_root, + .echo = CIFSSMBEcho, }; struct smb_version_values smb1_values = { @@ -240,4 +631,8 @@ struct smb_version_values smb1_values = { .header_size = sizeof(struct smb_hdr), .max_header_size = MAX_CIFS_HDR_SIZE, .read_rsp_size = sizeof(READ_RSP), + .lock_cmd = cpu_to_le16(SMB_COM_LOCKING_ANDX), + .cap_unix = CAP_UNIX, + .cap_nt_find = CAP_NT_SMBS | CAP_NT_FIND, + .cap_large_files = CAP_LARGE_FILES, }; diff --git a/fs/cifs/smb2glob.h b/fs/cifs/smb2glob.h new file mode 100644 index 000000000000..33c1d89090c0 --- /dev/null +++ b/fs/cifs/smb2glob.h @@ -0,0 +1,44 @@ +/* + * fs/cifs/smb2glob.h + * + * Definitions for various global variables and structures + * + * Copyright (C) International Business Machines Corp., 2002, 2011 + * Etersoft, 2012 + * Author(s): Steve French (sfrench@us.ibm.com) + * Jeremy Allison (jra@samba.org) + * Pavel Shilovsky (pshilovsky@samba.org) 2012 + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU Lesser General Public License for more details. + * + */ +#ifndef _SMB2_GLOB_H +#define _SMB2_GLOB_H + +/* + ***************************************************************** + * Constants go here + ***************************************************************** + */ + +/* + * Identifiers for functions that use the open, operation, close pattern + * in smb2inode.c:smb2_open_op_close() + */ +#define SMB2_OP_SET_DELETE 1 +#define SMB2_OP_SET_INFO 2 +#define SMB2_OP_QUERY_INFO 3 +#define SMB2_OP_QUERY_DIR 4 +#define SMB2_OP_MKDIR 5 +#define SMB2_OP_RENAME 6 +#define SMB2_OP_DELETE 7 + +#endif /* _SMB2_GLOB_H */ diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c new file mode 100644 index 000000000000..1ba5c405315c --- /dev/null +++ b/fs/cifs/smb2inode.c @@ -0,0 +1,124 @@ +/* + * fs/cifs/smb2inode.c + * + * Copyright (C) International Business Machines Corp., 2002, 2011 + * Etersoft, 2012 + * Author(s): Pavel Shilovsky (pshilovsky@samba.org), + * Steve French (sfrench@us.ibm.com) + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/fs.h> +#include <linux/stat.h> +#include <linux/slab.h> +#include <linux/pagemap.h> +#include <asm/div64.h> +#include "cifsfs.h" +#include "cifspdu.h" +#include "cifsglob.h" +#include "cifsproto.h" +#include "cifs_debug.h" +#include "cifs_fs_sb.h" +#include "cifs_unicode.h" +#include "fscache.h" +#include "smb2glob.h" +#include "smb2pdu.h" +#include "smb2proto.h" + +static int +smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, const char *full_path, + __u32 desired_access, __u32 create_disposition, + __u32 file_attributes, __u32 create_options, + void *data, int command) +{ + int rc, tmprc = 0; + u64 persistent_fid, volatile_fid; + __le16 *utf16_path; + + utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); + if (!utf16_path) + return -ENOMEM; + + rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid, + desired_access, create_disposition, file_attributes, + create_options); + if (rc) { + kfree(utf16_path); + return rc; + } + + switch (command) { + case SMB2_OP_DELETE: + break; + case SMB2_OP_QUERY_INFO: + tmprc = SMB2_query_info(xid, tcon, persistent_fid, + volatile_fid, + (struct smb2_file_all_info *)data); + break; + case SMB2_OP_MKDIR: + /* + * Directories are created through parameters in the + * SMB2_open() call. + */ + break; + default: + cERROR(1, "Invalid command"); + break; + } + + rc = SMB2_close(xid, tcon, persistent_fid, volatile_fid); + if (tmprc) + rc = tmprc; + kfree(utf16_path); + return rc; +} + +static void +move_smb2_info_to_cifs(FILE_ALL_INFO *dst, struct smb2_file_all_info *src) +{ + memcpy(dst, src, (size_t)(&src->CurrentByteOffset) - (size_t)src); + dst->CurrentByteOffset = src->CurrentByteOffset; + dst->Mode = src->Mode; + dst->AlignmentRequirement = src->AlignmentRequirement; + dst->IndexNumber1 = 0; /* we don't use it */ +} + +int +smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, const char *full_path, + FILE_ALL_INFO *data, bool *adjust_tz) +{ + int rc; + struct smb2_file_all_info *smb2_data; + + *adjust_tz = false; + + smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + MAX_NAME * 2, + GFP_KERNEL); + if (smb2_data == NULL) + return -ENOMEM; + + rc = smb2_open_op_close(xid, tcon, cifs_sb, full_path, + FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0, + smb2_data, SMB2_OP_QUERY_INFO); + if (rc) + goto out; + + move_smb2_info_to_cifs(data, smb2_data); +out: + kfree(smb2_data); + return rc; +} diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c new file mode 100644 index 000000000000..be41478acc05 --- /dev/null +++ b/fs/cifs/smb2maperror.c @@ -0,0 +1,2477 @@ +/* + * fs/smb2/smb2maperror.c + * + * Functions which do error mapping of SMB2 status codes to POSIX errors + * + * Copyright (C) International Business Machines Corp., 2009 + * Author(s): Steve French (sfrench@us.ibm.com) + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/errno.h> +#include "cifsglob.h" +#include "cifs_debug.h" +#include "smb2pdu.h" +#include "smb2proto.h" +#include "smb2status.h" + +struct status_to_posix_error { + __le32 smb2_status; + int posix_error; + char *status_string; +}; + +static const struct status_to_posix_error smb2_error_map_table[] = { + {STATUS_SUCCESS, 0, "STATUS_SUCCESS"}, + {STATUS_WAIT_0, 0, "STATUS_WAIT_0"}, + {STATUS_WAIT_1, -EIO, "STATUS_WAIT_1"}, + {STATUS_WAIT_2, -EIO, "STATUS_WAIT_2"}, + {STATUS_WAIT_3, -EIO, "STATUS_WAIT_3"}, + {STATUS_WAIT_63, -EIO, "STATUS_WAIT_63"}, + {STATUS_ABANDONED, -EIO, "STATUS_ABANDONED"}, + {STATUS_ABANDONED_WAIT_0, -EIO, "STATUS_ABANDONED_WAIT_0"}, + {STATUS_ABANDONED_WAIT_63, -EIO, "STATUS_ABANDONED_WAIT_63"}, + {STATUS_USER_APC, -EIO, "STATUS_USER_APC"}, + {STATUS_KERNEL_APC, -EIO, "STATUS_KERNEL_APC"}, + {STATUS_ALERTED, -EIO, "STATUS_ALERTED"}, + {STATUS_TIMEOUT, -ETIMEDOUT, "STATUS_TIMEOUT"}, + {STATUS_PENDING, -EIO, "STATUS_PENDING"}, + {STATUS_REPARSE, -EIO, "STATUS_REPARSE"}, + {STATUS_MORE_ENTRIES, -EIO, "STATUS_MORE_ENTRIES"}, + {STATUS_NOT_ALL_ASSIGNED, -EIO, "STATUS_NOT_ALL_ASSIGNED"}, + {STATUS_SOME_NOT_MAPPED, -EIO, "STATUS_SOME_NOT_MAPPED"}, + {STATUS_OPLOCK_BREAK_IN_PROGRESS, -EIO, + "STATUS_OPLOCK_BREAK_IN_PROGRESS"}, + {STATUS_VOLUME_MOUNTED, -EIO, "STATUS_VOLUME_MOUNTED"}, + {STATUS_RXACT_COMMITTED, -EIO, "STATUS_RXACT_COMMITTED"}, + {STATUS_NOTIFY_CLEANUP, -EIO, "STATUS_NOTIFY_CLEANUP"}, + {STATUS_NOTIFY_ENUM_DIR, -EIO, "STATUS_NOTIFY_ENUM_DIR"}, + {STATUS_NO_QUOTAS_FOR_ACCOUNT, -EIO, "STATUS_NO_QUOTAS_FOR_ACCOUNT"}, + {STATUS_PRIMARY_TRANSPORT_CONNECT_FAILED, -EIO, + "STATUS_PRIMARY_TRANSPORT_CONNECT_FAILED"}, + {STATUS_PAGE_FAULT_TRANSITION, -EIO, "STATUS_PAGE_FAULT_TRANSITION"}, + {STATUS_PAGE_FAULT_DEMAND_ZERO, -EIO, "STATUS_PAGE_FAULT_DEMAND_ZERO"}, + {STATUS_PAGE_FAULT_COPY_ON_WRITE, -EIO, + "STATUS_PAGE_FAULT_COPY_ON_WRITE"}, + {STATUS_PAGE_FAULT_GUARD_PAGE, -EIO, "STATUS_PAGE_FAULT_GUARD_PAGE"}, + {STATUS_PAGE_FAULT_PAGING_FILE, -EIO, "STATUS_PAGE_FAULT_PAGING_FILE"}, + {STATUS_CACHE_PAGE_LOCKED, -EIO, "STATUS_CACHE_PAGE_LOCKED"}, + {STATUS_CRASH_DUMP, -EIO, "STATUS_CRASH_DUMP"}, + {STATUS_BUFFER_ALL_ZEROS, -EIO, "STATUS_BUFFER_ALL_ZEROS"}, + {STATUS_REPARSE_OBJECT, -EIO, "STATUS_REPARSE_OBJECT"}, + {STATUS_RESOURCE_REQUIREMENTS_CHANGED, -EIO, + "STATUS_RESOURCE_REQUIREMENTS_CHANGED"}, + {STATUS_TRANSLATION_COMPLETE, -EIO, "STATUS_TRANSLATION_COMPLETE"}, + {STATUS_DS_MEMBERSHIP_EVALUATED_LOCALLY, -EIO, + "STATUS_DS_MEMBERSHIP_EVALUATED_LOCALLY"}, + {STATUS_NOTHING_TO_TERMINATE, -EIO, "STATUS_NOTHING_TO_TERMINATE"}, + {STATUS_PROCESS_NOT_IN_JOB, -EIO, "STATUS_PROCESS_NOT_IN_JOB"}, + {STATUS_PROCESS_IN_JOB, -EIO, "STATUS_PROCESS_IN_JOB"}, + {STATUS_VOLSNAP_HIBERNATE_READY, -EIO, + "STATUS_VOLSNAP_HIBERNATE_READY"}, + {STATUS_FSFILTER_OP_COMPLETED_SUCCESSFULLY, -EIO, + "STATUS_FSFILTER_OP_COMPLETED_SUCCESSFULLY"}, + {STATUS_INTERRUPT_VECTOR_ALREADY_CONNECTED, -EIO, + "STATUS_INTERRUPT_VECTOR_ALREADY_CONNECTED"}, + {STATUS_INTERRUPT_STILL_CONNECTED, -EIO, + "STATUS_INTERRUPT_STILL_CONNECTED"}, + {STATUS_PROCESS_CLONED, -EIO, "STATUS_PROCESS_CLONED"}, + {STATUS_FILE_LOCKED_WITH_ONLY_READERS, -EIO, + "STATUS_FILE_LOCKED_WITH_ONLY_READERS"}, + {STATUS_FILE_LOCKED_WITH_WRITERS, -EIO, + "STATUS_FILE_LOCKED_WITH_WRITERS"}, + {STATUS_RESOURCEMANAGER_READ_ONLY, -EROFS, + "STATUS_RESOURCEMANAGER_READ_ONLY"}, + {STATUS_WAIT_FOR_OPLOCK, -EIO, "STATUS_WAIT_FOR_OPLOCK"}, + {DBG_EXCEPTION_HANDLED, -EIO, "DBG_EXCEPTION_HANDLED"}, + {DBG_CONTINUE, -EIO, "DBG_CONTINUE"}, + {STATUS_FLT_IO_COMPLETE, -EIO, "STATUS_FLT_IO_COMPLETE"}, + {STATUS_OBJECT_NAME_EXISTS, -EIO, "STATUS_OBJECT_NAME_EXISTS"}, + {STATUS_THREAD_WAS_SUSPENDED, -EIO, "STATUS_THREAD_WAS_SUSPENDED"}, + {STATUS_WORKING_SET_LIMIT_RANGE, -EIO, + "STATUS_WORKING_SET_LIMIT_RANGE"}, + {STATUS_IMAGE_NOT_AT_BASE, -EIO, "STATUS_IMAGE_NOT_AT_BASE"}, + {STATUS_RXACT_STATE_CREATED, -EIO, "STATUS_RXACT_STATE_CREATED"}, + {STATUS_SEGMENT_NOTIFICATION, -EIO, "STATUS_SEGMENT_NOTIFICATION"}, + {STATUS_LOCAL_USER_SESSION_KEY, -EIO, "STATUS_LOCAL_USER_SESSION_KEY"}, + {STATUS_BAD_CURRENT_DIRECTORY, -EIO, "STATUS_BAD_CURRENT_DIRECTORY"}, + {STATUS_SERIAL_MORE_WRITES, -EIO, "STATUS_SERIAL_MORE_WRITES"}, + {STATUS_REGISTRY_RECOVERED, -EIO, "STATUS_REGISTRY_RECOVERED"}, + {STATUS_FT_READ_RECOVERY_FROM_BACKUP, -EIO, + "STATUS_FT_READ_RECOVERY_FROM_BACKUP"}, + {STATUS_FT_WRITE_RECOVERY, -EIO, "STATUS_FT_WRITE_RECOVERY"}, + {STATUS_SERIAL_COUNTER_TIMEOUT, -ETIMEDOUT, + "STATUS_SERIAL_COUNTER_TIMEOUT"}, + {STATUS_NULL_LM_PASSWORD, -EIO, "STATUS_NULL_LM_PASSWORD"}, + {STATUS_IMAGE_MACHINE_TYPE_MISMATCH, -EIO, + "STATUS_IMAGE_MACHINE_TYPE_MISMATCH"}, + {STATUS_RECEIVE_PARTIAL, -EIO, "STATUS_RECEIVE_PARTIAL"}, + {STATUS_RECEIVE_EXPEDITED, -EIO, "STATUS_RECEIVE_EXPEDITED"}, + {STATUS_RECEIVE_PARTIAL_EXPEDITED, -EIO, + "STATUS_RECEIVE_PARTIAL_EXPEDITED"}, + {STATUS_EVENT_DONE, -EIO, "STATUS_EVENT_DONE"}, + {STATUS_EVENT_PENDING, -EIO, "STATUS_EVENT_PENDING"}, + {STATUS_CHECKING_FILE_SYSTEM, -EIO, "STATUS_CHECKING_FILE_SYSTEM"}, + {STATUS_FATAL_APP_EXIT, -EIO, "STATUS_FATAL_APP_EXIT"}, + {STATUS_PREDEFINED_HANDLE, -EIO, "STATUS_PREDEFINED_HANDLE"}, + {STATUS_WAS_UNLOCKED, -EIO, "STATUS_WAS_UNLOCKED"}, + {STATUS_SERVICE_NOTIFICATION, -EIO, "STATUS_SERVICE_NOTIFICATION"}, + {STATUS_WAS_LOCKED, -EIO, "STATUS_WAS_LOCKED"}, + {STATUS_LOG_HARD_ERROR, -EIO, "STATUS_LOG_HARD_ERROR"}, + {STATUS_ALREADY_WIN32, -EIO, "STATUS_ALREADY_WIN32"}, + {STATUS_WX86_UNSIMULATE, -EIO, "STATUS_WX86_UNSIMULATE"}, + {STATUS_WX86_CONTINUE, -EIO, "STATUS_WX86_CONTINUE"}, + {STATUS_WX86_SINGLE_STEP, -EIO, "STATUS_WX86_SINGLE_STEP"}, + {STATUS_WX86_BREAKPOINT, -EIO, "STATUS_WX86_BREAKPOINT"}, + {STATUS_WX86_EXCEPTION_CONTINUE, -EIO, + "STATUS_WX86_EXCEPTION_CONTINUE"}, + {STATUS_WX86_EXCEPTION_LASTCHANCE, -EIO, + "STATUS_WX86_EXCEPTION_LASTCHANCE"}, + {STATUS_WX86_EXCEPTION_CHAIN, -EIO, "STATUS_WX86_EXCEPTION_CHAIN"}, + {STATUS_IMAGE_MACHINE_TYPE_MISMATCH_EXE, -EIO, + "STATUS_IMAGE_MACHINE_TYPE_MISMATCH_EXE"}, + {STATUS_NO_YIELD_PERFORMED, -EIO, "STATUS_NO_YIELD_PERFORMED"}, + {STATUS_TIMER_RESUME_IGNORED, -EIO, "STATUS_TIMER_RESUME_IGNORED"}, + {STATUS_ARBITRATION_UNHANDLED, -EIO, "STATUS_ARBITRATION_UNHANDLED"}, + {STATUS_CARDBUS_NOT_SUPPORTED, -ENOSYS, "STATUS_CARDBUS_NOT_SUPPORTED"}, + {STATUS_WX86_CREATEWX86TIB, -EIO, "STATUS_WX86_CREATEWX86TIB"}, + {STATUS_MP_PROCESSOR_MISMATCH, -EIO, "STATUS_MP_PROCESSOR_MISMATCH"}, + {STATUS_HIBERNATED, -EIO, "STATUS_HIBERNATED"}, + {STATUS_RESUME_HIBERNATION, -EIO, "STATUS_RESUME_HIBERNATION"}, + {STATUS_FIRMWARE_UPDATED, -EIO, "STATUS_FIRMWARE_UPDATED"}, + {STATUS_DRIVERS_LEAKING_LOCKED_PAGES, -EIO, + "STATUS_DRIVERS_LEAKING_LOCKED_PAGES"}, + {STATUS_MESSAGE_RETRIEVED, -EIO, "STATUS_MESSAGE_RETRIEVED"}, + {STATUS_SYSTEM_POWERSTATE_TRANSITION, -EIO, + "STATUS_SYSTEM_POWERSTATE_TRANSITION"}, + {STATUS_ALPC_CHECK_COMPLETION_LIST, -EIO, + "STATUS_ALPC_CHECK_COMPLETION_LIST"}, + {STATUS_SYSTEM_POWERSTATE_COMPLEX_TRANSITION, -EIO, + "STATUS_SYSTEM_POWERSTATE_COMPLEX_TRANSITION"}, + {STATUS_ACCESS_AUDIT_BY_POLICY, -EIO, "STATUS_ACCESS_AUDIT_BY_POLICY"}, + {STATUS_ABANDON_HIBERFILE, -EIO, "STATUS_ABANDON_HIBERFILE"}, + {STATUS_BIZRULES_NOT_ENABLED, -EIO, "STATUS_BIZRULES_NOT_ENABLED"}, + {STATUS_WAKE_SYSTEM, -EIO, "STATUS_WAKE_SYSTEM"}, + {STATUS_DS_SHUTTING_DOWN, -EIO, "STATUS_DS_SHUTTING_DOWN"}, + {DBG_REPLY_LATER, -EIO, "DBG_REPLY_LATER"}, + {DBG_UNABLE_TO_PROVIDE_HANDLE, -EIO, "DBG_UNABLE_TO_PROVIDE_HANDLE"}, + {DBG_TERMINATE_THREAD, -EIO, "DBG_TERMINATE_THREAD"}, + {DBG_TERMINATE_PROCESS, -EIO, "DBG_TERMINATE_PROCESS"}, + {DBG_CONTROL_C, -EIO, "DBG_CONTROL_C"}, + {DBG_PRINTEXCEPTION_C, -EIO, "DBG_PRINTEXCEPTION_C"}, + {DBG_RIPEXCEPTION, -EIO, "DBG_RIPEXCEPTION"}, + {DBG_CONTROL_BREAK, -EIO, "DBG_CONTROL_BREAK"}, + {DBG_COMMAND_EXCEPTION, -EIO, "DBG_COMMAND_EXCEPTION"}, + {RPC_NT_UUID_LOCAL_ONLY, -EIO, "RPC_NT_UUID_LOCAL_ONLY"}, + {RPC_NT_SEND_INCOMPLETE, -EIO, "RPC_NT_SEND_INCOMPLETE"}, + {STATUS_CTX_CDM_CONNECT, -EIO, "STATUS_CTX_CDM_CONNECT"}, + {STATUS_CTX_CDM_DISCONNECT, -EIO, "STATUS_CTX_CDM_DISCONNECT"}, + {STATUS_SXS_RELEASE_ACTIVATION_CONTEXT, -EIO, + "STATUS_SXS_RELEASE_ACTIVATION_CONTEXT"}, + {STATUS_RECOVERY_NOT_NEEDED, -EIO, "STATUS_RECOVERY_NOT_NEEDED"}, + {STATUS_RM_ALREADY_STARTED, -EIO, "STATUS_RM_ALREADY_STARTED"}, + {STATUS_LOG_NO_RESTART, -EIO, "STATUS_LOG_NO_RESTART"}, + {STATUS_VIDEO_DRIVER_DEBUG_REPORT_REQUEST, -EIO, + "STATUS_VIDEO_DRIVER_DEBUG_REPORT_REQUEST"}, + {STATUS_GRAPHICS_PARTIAL_DATA_POPULATED, -EIO, + "STATUS_GRAPHICS_PARTIAL_DATA_POPULATED"}, + {STATUS_GRAPHICS_DRIVER_MISMATCH, -EIO, + "STATUS_GRAPHICS_DRIVER_MISMATCH"}, + {STATUS_GRAPHICS_MODE_NOT_PINNED, -EIO, + "STATUS_GRAPHICS_MODE_NOT_PINNED"}, + {STATUS_GRAPHICS_NO_PREFERRED_MODE, -EIO, + "STATUS_GRAPHICS_NO_PREFERRED_MODE"}, + {STATUS_GRAPHICS_DATASET_IS_EMPTY, -EIO, + "STATUS_GRAPHICS_DATASET_IS_EMPTY"}, + {STATUS_GRAPHICS_NO_MORE_ELEMENTS_IN_DATASET, -EIO, + "STATUS_GRAPHICS_NO_MORE_ELEMENTS_IN_DATASET"}, + {STATUS_GRAPHICS_PATH_CONTENT_GEOMETRY_TRANSFORMATION_NOT_PINNED, -EIO, + "STATUS_GRAPHICS_PATH_CONTENT_GEOMETRY_TRANSFORMATION_NOT_PINNED"}, + {STATUS_GRAPHICS_UNKNOWN_CHILD_STATUS, -EIO, + "STATUS_GRAPHICS_UNKNOWN_CHILD_STATUS"}, + {STATUS_GRAPHICS_LEADLINK_START_DEFERRED, -EIO, + "STATUS_GRAPHICS_LEADLINK_START_DEFERRED"}, + {STATUS_GRAPHICS_POLLING_TOO_FREQUENTLY, -EIO, + "STATUS_GRAPHICS_POLLING_TOO_FREQUENTLY"}, + {STATUS_GRAPHICS_START_DEFERRED, -EIO, + "STATUS_GRAPHICS_START_DEFERRED"}, + {STATUS_NDIS_INDICATION_REQUIRED, -EIO, + "STATUS_NDIS_INDICATION_REQUIRED"}, + {STATUS_GUARD_PAGE_VIOLATION, -EIO, "STATUS_GUARD_PAGE_VIOLATION"}, + {STATUS_DATATYPE_MISALIGNMENT, -EIO, "STATUS_DATATYPE_MISALIGNMENT"}, + {STATUS_BREAKPOINT, -EIO, "STATUS_BREAKPOINT"}, + {STATUS_SINGLE_STEP, -EIO, "STATUS_SINGLE_STEP"}, + {STATUS_BUFFER_OVERFLOW, -EIO, "STATUS_BUFFER_OVERFLOW"}, + {STATUS_NO_MORE_FILES, -EIO, "STATUS_NO_MORE_FILES"}, + {STATUS_WAKE_SYSTEM_DEBUGGER, -EIO, "STATUS_WAKE_SYSTEM_DEBUGGER"}, + {STATUS_HANDLES_CLOSED, -EIO, "STATUS_HANDLES_CLOSED"}, + {STATUS_NO_INHERITANCE, -EIO, "STATUS_NO_INHERITANCE"}, + {STATUS_GUID_SUBSTITUTION_MADE, -EIO, "STATUS_GUID_SUBSTITUTION_MADE"}, + {STATUS_PARTIAL_COPY, -EIO, "STATUS_PARTIAL_COPY"}, + {STATUS_DEVICE_PAPER_EMPTY, -EIO, "STATUS_DEVICE_PAPER_EMPTY"}, + {STATUS_DEVICE_POWERED_OFF, -EIO, "STATUS_DEVICE_POWERED_OFF"}, + {STATUS_DEVICE_OFF_LINE, -EIO, "STATUS_DEVICE_OFF_LINE"}, + {STATUS_DEVICE_BUSY, -EBUSY, "STATUS_DEVICE_BUSY"}, + {STATUS_NO_MORE_EAS, -EIO, "STATUS_NO_MORE_EAS"}, + {STATUS_INVALID_EA_NAME, -EINVAL, "STATUS_INVALID_EA_NAME"}, + {STATUS_EA_LIST_INCONSISTENT, -EIO, "STATUS_EA_LIST_INCONSISTENT"}, + {STATUS_INVALID_EA_FLAG, -EINVAL, "STATUS_INVALID_EA_FLAG"}, + {STATUS_VERIFY_REQUIRED, -EIO, "STATUS_VERIFY_REQUIRED"}, + {STATUS_EXTRANEOUS_INFORMATION, -EIO, "STATUS_EXTRANEOUS_INFORMATION"}, + {STATUS_RXACT_COMMIT_NECESSARY, -EIO, "STATUS_RXACT_COMMIT_NECESSARY"}, + {STATUS_NO_MORE_ENTRIES, -EIO, "STATUS_NO_MORE_ENTRIES"}, + {STATUS_FILEMARK_DETECTED, -EIO, "STATUS_FILEMARK_DETECTED"}, + {STATUS_MEDIA_CHANGED, -EIO, "STATUS_MEDIA_CHANGED"}, + {STATUS_BUS_RESET, -EIO, "STATUS_BUS_RESET"}, + {STATUS_END_OF_MEDIA, -EIO, "STATUS_END_OF_MEDIA"}, + {STATUS_BEGINNING_OF_MEDIA, -EIO, "STATUS_BEGINNING_OF_MEDIA"}, + {STATUS_MEDIA_CHECK, -EIO, "STATUS_MEDIA_CHECK"}, + {STATUS_SETMARK_DETECTED, -EIO, "STATUS_SETMARK_DETECTED"}, + {STATUS_NO_DATA_DETECTED, -EIO, "STATUS_NO_DATA_DETECTED"}, + {STATUS_REDIRECTOR_HAS_OPEN_HANDLES, -EIO, + "STATUS_REDIRECTOR_HAS_OPEN_HANDLES"}, + {STATUS_SERVER_HAS_OPEN_HANDLES, -EIO, + "STATUS_SERVER_HAS_OPEN_HANDLES"}, + {STATUS_ALREADY_DISCONNECTED, -EIO, "STATUS_ALREADY_DISCONNECTED"}, + {STATUS_LONGJUMP, -EIO, "STATUS_LONGJUMP"}, + {STATUS_CLEANER_CARTRIDGE_INSTALLED, -EIO, + "STATUS_CLEANER_CARTRIDGE_INSTALLED"}, + {STATUS_PLUGPLAY_QUERY_VETOED, -EIO, "STATUS_PLUGPLAY_QUERY_VETOED"}, + {STATUS_UNWIND_CONSOLIDATE, -EIO, "STATUS_UNWIND_CONSOLIDATE"}, + {STATUS_REGISTRY_HIVE_RECOVERED, -EIO, + "STATUS_REGISTRY_HIVE_RECOVERED"}, + {STATUS_DLL_MIGHT_BE_INSECURE, -EIO, "STATUS_DLL_MIGHT_BE_INSECURE"}, + {STATUS_DLL_MIGHT_BE_INCOMPATIBLE, -EIO, + "STATUS_DLL_MIGHT_BE_INCOMPATIBLE"}, + {STATUS_STOPPED_ON_SYMLINK, -EOPNOTSUPP, "STATUS_STOPPED_ON_SYMLINK"}, + {STATUS_DEVICE_REQUIRES_CLEANING, -EIO, + "STATUS_DEVICE_REQUIRES_CLEANING"}, + {STATUS_DEVICE_DOOR_OPEN, -EIO, "STATUS_DEVICE_DOOR_OPEN"}, + {STATUS_DATA_LOST_REPAIR, -EIO, "STATUS_DATA_LOST_REPAIR"}, + {DBG_EXCEPTION_NOT_HANDLED, -EIO, "DBG_EXCEPTION_NOT_HANDLED"}, + {STATUS_CLUSTER_NODE_ALREADY_UP, -EIO, + "STATUS_CLUSTER_NODE_ALREADY_UP"}, + {STATUS_CLUSTER_NODE_ALREADY_DOWN, -EIO, + "STATUS_CLUSTER_NODE_ALREADY_DOWN"}, + {STATUS_CLUSTER_NETWORK_ALREADY_ONLINE, -EIO, + "STATUS_CLUSTER_NETWORK_ALREADY_ONLINE"}, + {STATUS_CLUSTER_NETWORK_ALREADY_OFFLINE, -EIO, + "STATUS_CLUSTER_NETWORK_ALREADY_OFFLINE"}, + {STATUS_CLUSTER_NODE_ALREADY_MEMBER, -EIO, + "STATUS_CLUSTER_NODE_ALREADY_MEMBER"}, + {STATUS_COULD_NOT_RESIZE_LOG, -EIO, "STATUS_COULD_NOT_RESIZE_LOG"}, + {STATUS_NO_TXF_METADATA, -EIO, "STATUS_NO_TXF_METADATA"}, + {STATUS_CANT_RECOVER_WITH_HANDLE_OPEN, -EIO, + "STATUS_CANT_RECOVER_WITH_HANDLE_OPEN"}, + {STATUS_TXF_METADATA_ALREADY_PRESENT, -EIO, + "STATUS_TXF_METADATA_ALREADY_PRESENT"}, + {STATUS_TRANSACTION_SCOPE_CALLBACKS_NOT_SET, -EIO, + "STATUS_TRANSACTION_SCOPE_CALLBACKS_NOT_SET"}, + {STATUS_VIDEO_HUNG_DISPLAY_DRIVER_THREAD_RECOVERED, -EIO, + "STATUS_VIDEO_HUNG_DISPLAY_DRIVER_THREAD_RECOVERED"}, + {STATUS_FLT_BUFFER_TOO_SMALL, -ENOBUFS, "STATUS_FLT_BUFFER_TOO_SMALL"}, + {STATUS_FVE_PARTIAL_METADATA, -EIO, "STATUS_FVE_PARTIAL_METADATA"}, + {STATUS_UNSUCCESSFUL, -EIO, "STATUS_UNSUCCESSFUL"}, + {STATUS_NOT_IMPLEMENTED, -ENOSYS, "STATUS_NOT_IMPLEMENTED"}, + {STATUS_INVALID_INFO_CLASS, -EIO, "STATUS_INVALID_INFO_CLASS"}, + {STATUS_INFO_LENGTH_MISMATCH, -EIO, "STATUS_INFO_LENGTH_MISMATCH"}, + {STATUS_ACCESS_VIOLATION, -EACCES, "STATUS_ACCESS_VIOLATION"}, + {STATUS_IN_PAGE_ERROR, -EFAULT, "STATUS_IN_PAGE_ERROR"}, + {STATUS_PAGEFILE_QUOTA, -EDQUOT, "STATUS_PAGEFILE_QUOTA"}, + {STATUS_INVALID_HANDLE, -EBADF, "STATUS_INVALID_HANDLE"}, + {STATUS_BAD_INITIAL_STACK, -EIO, "STATUS_BAD_INITIAL_STACK"}, + {STATUS_BAD_INITIAL_PC, -EIO, "STATUS_BAD_INITIAL_PC"}, + {STATUS_INVALID_CID, -EIO, "STATUS_INVALID_CID"}, + {STATUS_TIMER_NOT_CANCELED, -EIO, "STATUS_TIMER_NOT_CANCELED"}, + {STATUS_INVALID_PARAMETER, -EINVAL, "STATUS_INVALID_PARAMETER"}, + {STATUS_NO_SUCH_DEVICE, -ENODEV, "STATUS_NO_SUCH_DEVICE"}, + {STATUS_NO_SUCH_FILE, -ENOENT, "STATUS_NO_SUCH_FILE"}, + {STATUS_INVALID_DEVICE_REQUEST, -EIO, "STATUS_INVALID_DEVICE_REQUEST"}, + {STATUS_END_OF_FILE, -ENODATA, "STATUS_END_OF_FILE"}, + {STATUS_WRONG_VOLUME, -EIO, "STATUS_WRONG_VOLUME"}, + {STATUS_NO_MEDIA_IN_DEVICE, -EIO, "STATUS_NO_MEDIA_IN_DEVICE"}, + {STATUS_UNRECOGNIZED_MEDIA, -EIO, "STATUS_UNRECOGNIZED_MEDIA"}, + {STATUS_NONEXISTENT_SECTOR, -EIO, "STATUS_NONEXISTENT_SECTOR"}, + {STATUS_MORE_PROCESSING_REQUIRED, -EIO, + "STATUS_MORE_PROCESSING_REQUIRED"}, + {STATUS_NO_MEMORY, -ENOMEM, "STATUS_NO_MEMORY"}, + {STATUS_CONFLICTING_ADDRESSES, -EADDRINUSE, + "STATUS_CONFLICTING_ADDRESSES"}, + {STATUS_NOT_MAPPED_VIEW, -EIO, "STATUS_NOT_MAPPED_VIEW"}, + {STATUS_UNABLE_TO_FREE_VM, -EIO, "STATUS_UNABLE_TO_FREE_VM"}, + {STATUS_UNABLE_TO_DELETE_SECTION, -EIO, + "STATUS_UNABLE_TO_DELETE_SECTION"}, + {STATUS_INVALID_SYSTEM_SERVICE, -EIO, "STATUS_INVALID_SYSTEM_SERVICE"}, + {STATUS_ILLEGAL_INSTRUCTION, -EIO, "STATUS_ILLEGAL_INSTRUCTION"}, + {STATUS_INVALID_LOCK_SEQUENCE, -EIO, "STATUS_INVALID_LOCK_SEQUENCE"}, + {STATUS_INVALID_VIEW_SIZE, -EIO, "STATUS_INVALID_VIEW_SIZE"}, + {STATUS_INVALID_FILE_FOR_SECTION, -EIO, + "STATUS_INVALID_FILE_FOR_SECTION"}, + {STATUS_ALREADY_COMMITTED, -EIO, "STATUS_ALREADY_COMMITTED"}, + {STATUS_ACCESS_DENIED, -EACCES, "STATUS_ACCESS_DENIED"}, + {STATUS_BUFFER_TOO_SMALL, -EIO, "STATUS_BUFFER_TOO_SMALL"}, + {STATUS_OBJECT_TYPE_MISMATCH, -EIO, "STATUS_OBJECT_TYPE_MISMATCH"}, + {STATUS_NONCONTINUABLE_EXCEPTION, -EIO, + "STATUS_NONCONTINUABLE_EXCEPTION"}, + {STATUS_INVALID_DISPOSITION, -EIO, "STATUS_INVALID_DISPOSITION"}, + {STATUS_UNWIND, -EIO, "STATUS_UNWIND"}, + {STATUS_BAD_STACK, -EIO, "STATUS_BAD_STACK"}, + {STATUS_INVALID_UNWIND_TARGET, -EIO, "STATUS_INVALID_UNWIND_TARGET"}, + {STATUS_NOT_LOCKED, -EIO, "STATUS_NOT_LOCKED"}, + {STATUS_PARITY_ERROR, -EIO, "STATUS_PARITY_ERROR"}, + {STATUS_UNABLE_TO_DECOMMIT_VM, -EIO, "STATUS_UNABLE_TO_DECOMMIT_VM"}, + {STATUS_NOT_COMMITTED, -EIO, "STATUS_NOT_COMMITTED"}, + {STATUS_INVALID_PORT_ATTRIBUTES, -EIO, + "STATUS_INVALID_PORT_ATTRIBUTES"}, + {STATUS_PORT_MESSAGE_TOO_LONG, -EIO, "STATUS_PORT_MESSAGE_TOO_LONG"}, + {STATUS_INVALID_PARAMETER_MIX, -EINVAL, "STATUS_INVALID_PARAMETER_MIX"}, + {STATUS_INVALID_QUOTA_LOWER, -EIO, "STATUS_INVALID_QUOTA_LOWER"}, + {STATUS_DISK_CORRUPT_ERROR, -EIO, "STATUS_DISK_CORRUPT_ERROR"}, + {STATUS_OBJECT_NAME_INVALID, -ENOENT, "STATUS_OBJECT_NAME_INVALID"}, + {STATUS_OBJECT_NAME_NOT_FOUND, -ENOENT, "STATUS_OBJECT_NAME_NOT_FOUND"}, + {STATUS_OBJECT_NAME_COLLISION, -EEXIST, "STATUS_OBJECT_NAME_COLLISION"}, + {STATUS_PORT_DISCONNECTED, -EIO, "STATUS_PORT_DISCONNECTED"}, + {STATUS_DEVICE_ALREADY_ATTACHED, -EIO, + "STATUS_DEVICE_ALREADY_ATTACHED"}, + {STATUS_OBJECT_PATH_INVALID, -ENOTDIR, "STATUS_OBJECT_PATH_INVALID"}, + {STATUS_OBJECT_PATH_NOT_FOUND, -ENOENT, "STATUS_OBJECT_PATH_NOT_FOUND"}, + {STATUS_OBJECT_PATH_SYNTAX_BAD, -EIO, "STATUS_OBJECT_PATH_SYNTAX_BAD"}, + {STATUS_DATA_OVERRUN, -EIO, "STATUS_DATA_OVERRUN"}, + {STATUS_DATA_LATE_ERROR, -EIO, "STATUS_DATA_LATE_ERROR"}, + {STATUS_DATA_ERROR, -EIO, "STATUS_DATA_ERROR"}, + {STATUS_CRC_ERROR, -EIO, "STATUS_CRC_ERROR"}, + {STATUS_SECTION_TOO_BIG, -EIO, "STATUS_SECTION_TOO_BIG"}, + {STATUS_PORT_CONNECTION_REFUSED, -ECONNREFUSED, + "STATUS_PORT_CONNECTION_REFUSED"}, + {STATUS_INVALID_PORT_HANDLE, -EIO, "STATUS_INVALID_PORT_HANDLE"}, + {STATUS_SHARING_VIOLATION, -EBUSY, "STATUS_SHARING_VIOLATION"}, + {STATUS_QUOTA_EXCEEDED, -EDQUOT, "STATUS_QUOTA_EXCEEDED"}, + {STATUS_INVALID_PAGE_PROTECTION, -EIO, + "STATUS_INVALID_PAGE_PROTECTION"}, + {STATUS_MUTANT_NOT_OWNED, -EIO, "STATUS_MUTANT_NOT_OWNED"}, + {STATUS_SEMAPHORE_LIMIT_EXCEEDED, -EIO, + "STATUS_SEMAPHORE_LIMIT_EXCEEDED"}, + {STATUS_PORT_ALREADY_SET, -EIO, "STATUS_PORT_ALREADY_SET"}, + {STATUS_SECTION_NOT_IMAGE, -EIO, "STATUS_SECTION_NOT_IMAGE"}, + {STATUS_SUSPEND_COUNT_EXCEEDED, -EIO, "STATUS_SUSPEND_COUNT_EXCEEDED"}, + {STATUS_THREAD_IS_TERMINATING, -EIO, "STATUS_THREAD_IS_TERMINATING"}, + {STATUS_BAD_WORKING_SET_LIMIT, -EIO, "STATUS_BAD_WORKING_SET_LIMIT"}, + {STATUS_INCOMPATIBLE_FILE_MAP, -EIO, "STATUS_INCOMPATIBLE_FILE_MAP"}, + {STATUS_SECTION_PROTECTION, -EIO, "STATUS_SECTION_PROTECTION"}, + {STATUS_EAS_NOT_SUPPORTED, -EOPNOTSUPP, "STATUS_EAS_NOT_SUPPORTED"}, + {STATUS_EA_TOO_LARGE, -EIO, "STATUS_EA_TOO_LARGE"}, + {STATUS_NONEXISTENT_EA_ENTRY, -EIO, "STATUS_NONEXISTENT_EA_ENTRY"}, + {STATUS_NO_EAS_ON_FILE, -ENODATA, "STATUS_NO_EAS_ON_FILE"}, + {STATUS_EA_CORRUPT_ERROR, -EIO, "STATUS_EA_CORRUPT_ERROR"}, + {STATUS_FILE_LOCK_CONFLICT, -EIO, "STATUS_FILE_LOCK_CONFLICT"}, + {STATUS_LOCK_NOT_GRANTED, -EIO, "STATUS_LOCK_NOT_GRANTED"}, + {STATUS_DELETE_PENDING, -ENOENT, "STATUS_DELETE_PENDING"}, + {STATUS_CTL_FILE_NOT_SUPPORTED, -ENOSYS, + "STATUS_CTL_FILE_NOT_SUPPORTED"}, + {STATUS_UNKNOWN_REVISION, -EIO, "STATUS_UNKNOWN_REVISION"}, + {STATUS_REVISION_MISMATCH, -EIO, "STATUS_REVISION_MISMATCH"}, + {STATUS_INVALID_OWNER, -EIO, "STATUS_INVALID_OWNER"}, + {STATUS_INVALID_PRIMARY_GROUP, -EIO, "STATUS_INVALID_PRIMARY_GROUP"}, + {STATUS_NO_IMPERSONATION_TOKEN, -EIO, "STATUS_NO_IMPERSONATION_TOKEN"}, + {STATUS_CANT_DISABLE_MANDATORY, -EIO, "STATUS_CANT_DISABLE_MANDATORY"}, + {STATUS_NO_LOGON_SERVERS, -EIO, "STATUS_NO_LOGON_SERVERS"}, + {STATUS_NO_SUCH_LOGON_SESSION, -EIO, "STATUS_NO_SUCH_LOGON_SESSION"}, + {STATUS_NO_SUCH_PRIVILEGE, -EIO, "STATUS_NO_SUCH_PRIVILEGE"}, + {STATUS_PRIVILEGE_NOT_HELD, -EIO, "STATUS_PRIVILEGE_NOT_HELD"}, + {STATUS_INVALID_ACCOUNT_NAME, -EIO, "STATUS_INVALID_ACCOUNT_NAME"}, + {STATUS_USER_EXISTS, -EIO, "STATUS_USER_EXISTS"}, + {STATUS_NO_SUCH_USER, -EIO, "STATUS_NO_SUCH_USER"}, + {STATUS_GROUP_EXISTS, -EIO, "STATUS_GROUP_EXISTS"}, + {STATUS_NO_SUCH_GROUP, -EIO, "STATUS_NO_SUCH_GROUP"}, + {STATUS_MEMBER_IN_GROUP, -EIO, "STATUS_MEMBER_IN_GROUP"}, + {STATUS_MEMBER_NOT_IN_GROUP, -EIO, "STATUS_MEMBER_NOT_IN_GROUP"}, + {STATUS_LAST_ADMIN, -EIO, "STATUS_LAST_ADMIN"}, + {STATUS_WRONG_PASSWORD, -EACCES, "STATUS_WRONG_PASSWORD"}, + {STATUS_ILL_FORMED_PASSWORD, -EINVAL, "STATUS_ILL_FORMED_PASSWORD"}, + {STATUS_PASSWORD_RESTRICTION, -EACCES, "STATUS_PASSWORD_RESTRICTION"}, + {STATUS_LOGON_FAILURE, -EACCES, "STATUS_LOGON_FAILURE"}, + {STATUS_ACCOUNT_RESTRICTION, -EACCES, "STATUS_ACCOUNT_RESTRICTION"}, + {STATUS_INVALID_LOGON_HOURS, -EACCES, "STATUS_INVALID_LOGON_HOURS"}, + {STATUS_INVALID_WORKSTATION, -EACCES, "STATUS_INVALID_WORKSTATION"}, + {STATUS_PASSWORD_EXPIRED, -EKEYEXPIRED, "STATUS_PASSWORD_EXPIRED"}, + {STATUS_ACCOUNT_DISABLED, -EKEYREVOKED, "STATUS_ACCOUNT_DISABLED"}, + {STATUS_NONE_MAPPED, -EIO, "STATUS_NONE_MAPPED"}, + {STATUS_TOO_MANY_LUIDS_REQUESTED, -EIO, + "STATUS_TOO_MANY_LUIDS_REQUESTED"}, + {STATUS_LUIDS_EXHAUSTED, -EIO, "STATUS_LUIDS_EXHAUSTED"}, + {STATUS_INVALID_SUB_AUTHORITY, -EIO, "STATUS_INVALID_SUB_AUTHORITY"}, + {STATUS_INVALID_ACL, -EIO, "STATUS_INVALID_ACL"}, + {STATUS_INVALID_SID, -EIO, "STATUS_INVALID_SID"}, + {STATUS_INVALID_SECURITY_DESCR, -EIO, "STATUS_INVALID_SECURITY_DESCR"}, + {STATUS_PROCEDURE_NOT_FOUND, -EIO, "STATUS_PROCEDURE_NOT_FOUND"}, + {STATUS_INVALID_IMAGE_FORMAT, -EIO, "STATUS_INVALID_IMAGE_FORMAT"}, + {STATUS_NO_TOKEN, -EIO, "STATUS_NO_TOKEN"}, + {STATUS_BAD_INHERITANCE_ACL, -EIO, "STATUS_BAD_INHERITANCE_ACL"}, + {STATUS_RANGE_NOT_LOCKED, -EIO, "STATUS_RANGE_NOT_LOCKED"}, + {STATUS_DISK_FULL, -ENOSPC, "STATUS_DISK_FULL"}, + {STATUS_SERVER_DISABLED, -EIO, "STATUS_SERVER_DISABLED"}, + {STATUS_SERVER_NOT_DISABLED, -EIO, "STATUS_SERVER_NOT_DISABLED"}, + {STATUS_TOO_MANY_GUIDS_REQUESTED, -EIO, + "STATUS_TOO_MANY_GUIDS_REQUESTED"}, + {STATUS_GUIDS_EXHAUSTED, -EIO, "STATUS_GUIDS_EXHAUSTED"}, + {STATUS_INVALID_ID_AUTHORITY, -EIO, "STATUS_INVALID_ID_AUTHORITY"}, + {STATUS_AGENTS_EXHAUSTED, -EIO, "STATUS_AGENTS_EXHAUSTED"}, + {STATUS_INVALID_VOLUME_LABEL, -EIO, "STATUS_INVALID_VOLUME_LABEL"}, + {STATUS_SECTION_NOT_EXTENDED, -EIO, "STATUS_SECTION_NOT_EXTENDED"}, + {STATUS_NOT_MAPPED_DATA, -EIO, "STATUS_NOT_MAPPED_DATA"}, + {STATUS_RESOURCE_DATA_NOT_FOUND, -EIO, + "STATUS_RESOURCE_DATA_NOT_FOUND"}, + {STATUS_RESOURCE_TYPE_NOT_FOUND, -EIO, + "STATUS_RESOURCE_TYPE_NOT_FOUND"}, + {STATUS_RESOURCE_NAME_NOT_FOUND, -EIO, + "STATUS_RESOURCE_NAME_NOT_FOUND"}, + {STATUS_ARRAY_BOUNDS_EXCEEDED, -EIO, "STATUS_ARRAY_BOUNDS_EXCEEDED"}, + {STATUS_FLOAT_DENORMAL_OPERAND, -EIO, "STATUS_FLOAT_DENORMAL_OPERAND"}, + {STATUS_FLOAT_DIVIDE_BY_ZERO, -EIO, "STATUS_FLOAT_DIVIDE_BY_ZERO"}, + {STATUS_FLOAT_INEXACT_RESULT, -EIO, "STATUS_FLOAT_INEXACT_RESULT"}, + {STATUS_FLOAT_INVALID_OPERATION, -EIO, + "STATUS_FLOAT_INVALID_OPERATION"}, + {STATUS_FLOAT_OVERFLOW, -EIO, "STATUS_FLOAT_OVERFLOW"}, + {STATUS_FLOAT_STACK_CHECK, -EIO, "STATUS_FLOAT_STACK_CHECK"}, + {STATUS_FLOAT_UNDERFLOW, -EIO, "STATUS_FLOAT_UNDERFLOW"}, + {STATUS_INTEGER_DIVIDE_BY_ZERO, -EIO, "STATUS_INTEGER_DIVIDE_BY_ZERO"}, + {STATUS_INTEGER_OVERFLOW, -EIO, "STATUS_INTEGER_OVERFLOW"}, + {STATUS_PRIVILEGED_INSTRUCTION, -EIO, "STATUS_PRIVILEGED_INSTRUCTION"}, + {STATUS_TOO_MANY_PAGING_FILES, -EIO, "STATUS_TOO_MANY_PAGING_FILES"}, + {STATUS_FILE_INVALID, -EIO, "STATUS_FILE_INVALID"}, + {STATUS_ALLOTTED_SPACE_EXCEEDED, -EIO, + "STATUS_ALLOTTED_SPACE_EXCEEDED"}, + {STATUS_INSUFFICIENT_RESOURCES, -EIO, "STATUS_INSUFFICIENT_RESOURCES"}, + {STATUS_DFS_EXIT_PATH_FOUND, -EIO, "STATUS_DFS_EXIT_PATH_FOUND"}, + {STATUS_DEVICE_DATA_ERROR, -EIO, "STATUS_DEVICE_DATA_ERROR"}, + {STATUS_DEVICE_NOT_CONNECTED, -EIO, "STATUS_DEVICE_NOT_CONNECTED"}, + {STATUS_DEVICE_POWER_FAILURE, -EIO, "STATUS_DEVICE_POWER_FAILURE"}, + {STATUS_FREE_VM_NOT_AT_BASE, -EIO, "STATUS_FREE_VM_NOT_AT_BASE"}, + {STATUS_MEMORY_NOT_ALLOCATED, -EFAULT, "STATUS_MEMORY_NOT_ALLOCATED"}, + {STATUS_WORKING_SET_QUOTA, -EIO, "STATUS_WORKING_SET_QUOTA"}, + {STATUS_MEDIA_WRITE_PROTECTED, -EROFS, "STATUS_MEDIA_WRITE_PROTECTED"}, + {STATUS_DEVICE_NOT_READY, -EIO, "STATUS_DEVICE_NOT_READY"}, + {STATUS_INVALID_GROUP_ATTRIBUTES, -EIO, + "STATUS_INVALID_GROUP_ATTRIBUTES"}, + {STATUS_BAD_IMPERSONATION_LEVEL, -EIO, + "STATUS_BAD_IMPERSONATION_LEVEL"}, + {STATUS_CANT_OPEN_ANONYMOUS, -EIO, "STATUS_CANT_OPEN_ANONYMOUS"}, + {STATUS_BAD_VALIDATION_CLASS, -EIO, "STATUS_BAD_VALIDATION_CLASS"}, + {STATUS_BAD_TOKEN_TYPE, -EIO, "STATUS_BAD_TOKEN_TYPE"}, + {STATUS_BAD_MASTER_BOOT_RECORD, -EIO, "STATUS_BAD_MASTER_BOOT_RECORD"}, + {STATUS_INSTRUCTION_MISALIGNMENT, -EIO, + "STATUS_INSTRUCTION_MISALIGNMENT"}, + {STATUS_INSTANCE_NOT_AVAILABLE, -EIO, "STATUS_INSTANCE_NOT_AVAILABLE"}, + {STATUS_PIPE_NOT_AVAILABLE, -EIO, "STATUS_PIPE_NOT_AVAILABLE"}, + {STATUS_INVALID_PIPE_STATE, -EIO, "STATUS_INVALID_PIPE_STATE"}, + {STATUS_PIPE_BUSY, -EBUSY, "STATUS_PIPE_BUSY"}, + {STATUS_ILLEGAL_FUNCTION, -EIO, "STATUS_ILLEGAL_FUNCTION"}, + {STATUS_PIPE_DISCONNECTED, -EPIPE, "STATUS_PIPE_DISCONNECTED"}, + {STATUS_PIPE_CLOSING, -EIO, "STATUS_PIPE_CLOSING"}, + {STATUS_PIPE_CONNECTED, -EIO, "STATUS_PIPE_CONNECTED"}, + {STATUS_PIPE_LISTENING, -EIO, "STATUS_PIPE_LISTENING"}, + {STATUS_INVALID_READ_MODE, -EIO, "STATUS_INVALID_READ_MODE"}, + {STATUS_IO_TIMEOUT, -ETIMEDOUT, "STATUS_IO_TIMEOUT"}, + {STATUS_FILE_FORCED_CLOSED, -EIO, "STATUS_FILE_FORCED_CLOSED"}, + {STATUS_PROFILING_NOT_STARTED, -EIO, "STATUS_PROFILING_NOT_STARTED"}, + {STATUS_PROFILING_NOT_STOPPED, -EIO, "STATUS_PROFILING_NOT_STOPPED"}, + {STATUS_COULD_NOT_INTERPRET, -EIO, "STATUS_COULD_NOT_INTERPRET"}, + {STATUS_FILE_IS_A_DIRECTORY, -EISDIR, "STATUS_FILE_IS_A_DIRECTORY"}, + {STATUS_NOT_SUPPORTED, -EOPNOTSUPP, "STATUS_NOT_SUPPORTED"}, + {STATUS_REMOTE_NOT_LISTENING, -EHOSTDOWN, + "STATUS_REMOTE_NOT_LISTENING"}, + {STATUS_DUPLICATE_NAME, -ENOTUNIQ, "STATUS_DUPLICATE_NAME"}, + {STATUS_BAD_NETWORK_PATH, -EINVAL, "STATUS_BAD_NETWORK_PATH"}, + {STATUS_NETWORK_BUSY, -EBUSY, "STATUS_NETWORK_BUSY"}, + {STATUS_DEVICE_DOES_NOT_EXIST, -ENODEV, "STATUS_DEVICE_DOES_NOT_EXIST"}, + {STATUS_TOO_MANY_COMMANDS, -EIO, "STATUS_TOO_MANY_COMMANDS"}, + {STATUS_ADAPTER_HARDWARE_ERROR, -EIO, "STATUS_ADAPTER_HARDWARE_ERROR"}, + {STATUS_INVALID_NETWORK_RESPONSE, -EIO, + "STATUS_INVALID_NETWORK_RESPONSE"}, + {STATUS_UNEXPECTED_NETWORK_ERROR, -EIO, + "STATUS_UNEXPECTED_NETWORK_ERROR"}, + {STATUS_BAD_REMOTE_ADAPTER, -EIO, "STATUS_BAD_REMOTE_ADAPTER"}, + {STATUS_PRINT_QUEUE_FULL, -EIO, "STATUS_PRINT_QUEUE_FULL"}, + {STATUS_NO_SPOOL_SPACE, -EIO, "STATUS_NO_SPOOL_SPACE"}, + {STATUS_PRINT_CANCELLED, -EIO, "STATUS_PRINT_CANCELLED"}, + {STATUS_NETWORK_NAME_DELETED, -EIO, "STATUS_NETWORK_NAME_DELETED"}, + {STATUS_NETWORK_ACCESS_DENIED, -EACCES, "STATUS_NETWORK_ACCESS_DENIED"}, + {STATUS_BAD_DEVICE_TYPE, -EIO, "STATUS_BAD_DEVICE_TYPE"}, + {STATUS_BAD_NETWORK_NAME, -ENOENT, "STATUS_BAD_NETWORK_NAME"}, + {STATUS_TOO_MANY_NAMES, -EIO, "STATUS_TOO_MANY_NAMES"}, + {STATUS_TOO_MANY_SESSIONS, -EIO, "STATUS_TOO_MANY_SESSIONS"}, + {STATUS_SHARING_PAUSED, -EIO, "STATUS_SHARING_PAUSED"}, + {STATUS_REQUEST_NOT_ACCEPTED, -EIO, "STATUS_REQUEST_NOT_ACCEPTED"}, + {STATUS_REDIRECTOR_PAUSED, -EIO, "STATUS_REDIRECTOR_PAUSED"}, + {STATUS_NET_WRITE_FAULT, -EIO, "STATUS_NET_WRITE_FAULT"}, + {STATUS_PROFILING_AT_LIMIT, -EIO, "STATUS_PROFILING_AT_LIMIT"}, + {STATUS_NOT_SAME_DEVICE, -EXDEV, "STATUS_NOT_SAME_DEVICE"}, + {STATUS_FILE_RENAMED, -EIO, "STATUS_FILE_RENAMED"}, + {STATUS_VIRTUAL_CIRCUIT_CLOSED, -EIO, "STATUS_VIRTUAL_CIRCUIT_CLOSED"}, + {STATUS_NO_SECURITY_ON_OBJECT, -EIO, "STATUS_NO_SECURITY_ON_OBJECT"}, + {STATUS_CANT_WAIT, -EIO, "STATUS_CANT_WAIT"}, + {STATUS_PIPE_EMPTY, -EIO, "STATUS_PIPE_EMPTY"}, + {STATUS_CANT_ACCESS_DOMAIN_INFO, -EIO, + "STATUS_CANT_ACCESS_DOMAIN_INFO"}, + {STATUS_CANT_TERMINATE_SELF, -EIO, "STATUS_CANT_TERMINATE_SELF"}, + {STATUS_INVALID_SERVER_STATE, -EIO, "STATUS_INVALID_SERVER_STATE"}, + {STATUS_INVALID_DOMAIN_STATE, -EIO, "STATUS_INVALID_DOMAIN_STATE"}, + {STATUS_INVALID_DOMAIN_ROLE, -EIO, "STATUS_INVALID_DOMAIN_ROLE"}, + {STATUS_NO_SUCH_DOMAIN, -EIO, "STATUS_NO_SUCH_DOMAIN"}, + {STATUS_DOMAIN_EXISTS, -EIO, "STATUS_DOMAIN_EXISTS"}, + {STATUS_DOMAIN_LIMIT_EXCEEDED, -EIO, "STATUS_DOMAIN_LIMIT_EXCEEDED"}, + {STATUS_OPLOCK_NOT_GRANTED, -EIO, "STATUS_OPLOCK_NOT_GRANTED"}, + {STATUS_INVALID_OPLOCK_PROTOCOL, -EIO, + "STATUS_INVALID_OPLOCK_PROTOCOL"}, + {STATUS_INTERNAL_DB_CORRUPTION, -EIO, "STATUS_INTERNAL_DB_CORRUPTION"}, + {STATUS_INTERNAL_ERROR, -EIO, "STATUS_INTERNAL_ERROR"}, + {STATUS_GENERIC_NOT_MAPPED, -EIO, "STATUS_GENERIC_NOT_MAPPED"}, + {STATUS_BAD_DESCRIPTOR_FORMAT, -EIO, "STATUS_BAD_DESCRIPTOR_FORMAT"}, + {STATUS_INVALID_USER_BUFFER, -EIO, "STATUS_INVALID_USER_BUFFER"}, + {STATUS_UNEXPECTED_IO_ERROR, -EIO, "STATUS_UNEXPECTED_IO_ERROR"}, + {STATUS_UNEXPECTED_MM_CREATE_ERR, -EIO, + "STATUS_UNEXPECTED_MM_CREATE_ERR"}, + {STATUS_UNEXPECTED_MM_MAP_ERROR, -EIO, + "STATUS_UNEXPECTED_MM_MAP_ERROR"}, + {STATUS_UNEXPECTED_MM_EXTEND_ERR, -EIO, + "STATUS_UNEXPECTED_MM_EXTEND_ERR"}, + {STATUS_NOT_LOGON_PROCESS, -EIO, "STATUS_NOT_LOGON_PROCESS"}, + {STATUS_LOGON_SESSION_EXISTS, -EIO, "STATUS_LOGON_SESSION_EXISTS"}, + {STATUS_INVALID_PARAMETER_1, -EINVAL, "STATUS_INVALID_PARAMETER_1"}, + {STATUS_INVALID_PARAMETER_2, -EINVAL, "STATUS_INVALID_PARAMETER_2"}, + {STATUS_INVALID_PARAMETER_3, -EINVAL, "STATUS_INVALID_PARAMETER_3"}, + {STATUS_INVALID_PARAMETER_4, -EINVAL, "STATUS_INVALID_PARAMETER_4"}, + {STATUS_INVALID_PARAMETER_5, -EINVAL, "STATUS_INVALID_PARAMETER_5"}, + {STATUS_INVALID_PARAMETER_6, -EINVAL, "STATUS_INVALID_PARAMETER_6"}, + {STATUS_INVALID_PARAMETER_7, -EINVAL, "STATUS_INVALID_PARAMETER_7"}, + {STATUS_INVALID_PARAMETER_8, -EINVAL, "STATUS_INVALID_PARAMETER_8"}, + {STATUS_INVALID_PARAMETER_9, -EINVAL, "STATUS_INVALID_PARAMETER_9"}, + {STATUS_INVALID_PARAMETER_10, -EINVAL, "STATUS_INVALID_PARAMETER_10"}, + {STATUS_INVALID_PARAMETER_11, -EINVAL, "STATUS_INVALID_PARAMETER_11"}, + {STATUS_INVALID_PARAMETER_12, -EINVAL, "STATUS_INVALID_PARAMETER_12"}, + {STATUS_REDIRECTOR_NOT_STARTED, -EIO, "STATUS_REDIRECTOR_NOT_STARTED"}, + {STATUS_REDIRECTOR_STARTED, -EIO, "STATUS_REDIRECTOR_STARTED"}, + {STATUS_STACK_OVERFLOW, -EIO, "STATUS_STACK_OVERFLOW"}, + {STATUS_NO_SUCH_PACKAGE, -EIO, "STATUS_NO_SUCH_PACKAGE"}, + {STATUS_BAD_FUNCTION_TABLE, -EIO, "STATUS_BAD_FUNCTION_TABLE"}, + {STATUS_VARIABLE_NOT_FOUND, -EIO, "STATUS_VARIABLE_NOT_FOUND"}, + {STATUS_DIRECTORY_NOT_EMPTY, -ENOTEMPTY, "STATUS_DIRECTORY_NOT_EMPTY"}, + {STATUS_FILE_CORRUPT_ERROR, -EIO, "STATUS_FILE_CORRUPT_ERROR"}, + {STATUS_NOT_A_DIRECTORY, -ENOTDIR, "STATUS_NOT_A_DIRECTORY"}, + {STATUS_BAD_LOGON_SESSION_STATE, -EIO, + "STATUS_BAD_LOGON_SESSION_STATE"}, + {STATUS_LOGON_SESSION_COLLISION, -EIO, + "STATUS_LOGON_SESSION_COLLISION"}, + {STATUS_NAME_TOO_LONG, -ENAMETOOLONG, "STATUS_NAME_TOO_LONG"}, + {STATUS_FILES_OPEN, -EIO, "STATUS_FILES_OPEN"}, + {STATUS_CONNECTION_IN_USE, -EIO, "STATUS_CONNECTION_IN_USE"}, + {STATUS_MESSAGE_NOT_FOUND, -EIO, "STATUS_MESSAGE_NOT_FOUND"}, + {STATUS_PROCESS_IS_TERMINATING, -EIO, "STATUS_PROCESS_IS_TERMINATING"}, + {STATUS_INVALID_LOGON_TYPE, -EIO, "STATUS_INVALID_LOGON_TYPE"}, + {STATUS_NO_GUID_TRANSLATION, -EIO, "STATUS_NO_GUID_TRANSLATION"}, + {STATUS_CANNOT_IMPERSONATE, -EIO, "STATUS_CANNOT_IMPERSONATE"}, + {STATUS_IMAGE_ALREADY_LOADED, -EIO, "STATUS_IMAGE_ALREADY_LOADED"}, + {STATUS_ABIOS_NOT_PRESENT, -EIO, "STATUS_ABIOS_NOT_PRESENT"}, + {STATUS_ABIOS_LID_NOT_EXIST, -EIO, "STATUS_ABIOS_LID_NOT_EXIST"}, + {STATUS_ABIOS_LID_ALREADY_OWNED, -EIO, + "STATUS_ABIOS_LID_ALREADY_OWNED"}, + {STATUS_ABIOS_NOT_LID_OWNER, -EIO, "STATUS_ABIOS_NOT_LID_OWNER"}, + {STATUS_ABIOS_INVALID_COMMAND, -EIO, "STATUS_ABIOS_INVALID_COMMAND"}, + {STATUS_ABIOS_INVALID_LID, -EIO, "STATUS_ABIOS_INVALID_LID"}, + {STATUS_ABIOS_SELECTOR_NOT_AVAILABLE, -EIO, + "STATUS_ABIOS_SELECTOR_NOT_AVAILABLE"}, + {STATUS_ABIOS_INVALID_SELECTOR, -EIO, "STATUS_ABIOS_INVALID_SELECTOR"}, + {STATUS_NO_LDT, -EIO, "STATUS_NO_LDT"}, + {STATUS_INVALID_LDT_SIZE, -EIO, "STATUS_INVALID_LDT_SIZE"}, + {STATUS_INVALID_LDT_OFFSET, -EIO, "STATUS_INVALID_LDT_OFFSET"}, + {STATUS_INVALID_LDT_DESCRIPTOR, -EIO, "STATUS_INVALID_LDT_DESCRIPTOR"}, + {STATUS_INVALID_IMAGE_NE_FORMAT, -EIO, + "STATUS_INVALID_IMAGE_NE_FORMAT"}, + {STATUS_RXACT_INVALID_STATE, -EIO, "STATUS_RXACT_INVALID_STATE"}, + {STATUS_RXACT_COMMIT_FAILURE, -EIO, "STATUS_RXACT_COMMIT_FAILURE"}, + {STATUS_MAPPED_FILE_SIZE_ZERO, -EIO, "STATUS_MAPPED_FILE_SIZE_ZERO"}, + {STATUS_TOO_MANY_OPENED_FILES, -EMFILE, "STATUS_TOO_MANY_OPENED_FILES"}, + {STATUS_CANCELLED, -EIO, "STATUS_CANCELLED"}, + {STATUS_CANNOT_DELETE, -EIO, "STATUS_CANNOT_DELETE"}, + {STATUS_INVALID_COMPUTER_NAME, -EIO, "STATUS_INVALID_COMPUTER_NAME"}, + {STATUS_FILE_DELETED, -EIO, "STATUS_FILE_DELETED"}, + {STATUS_SPECIAL_ACCOUNT, -EIO, "STATUS_SPECIAL_ACCOUNT"}, + {STATUS_SPECIAL_GROUP, -EIO, "STATUS_SPECIAL_GROUP"}, + {STATUS_SPECIAL_USER, -EIO, "STATUS_SPECIAL_USER"}, + {STATUS_MEMBERS_PRIMARY_GROUP, -EIO, "STATUS_MEMBERS_PRIMARY_GROUP"}, + {STATUS_FILE_CLOSED, -EBADF, "STATUS_FILE_CLOSED"}, + {STATUS_TOO_MANY_THREADS, -EIO, "STATUS_TOO_MANY_THREADS"}, + {STATUS_THREAD_NOT_IN_PROCESS, -EIO, "STATUS_THREAD_NOT_IN_PROCESS"}, + {STATUS_TOKEN_ALREADY_IN_USE, -EIO, "STATUS_TOKEN_ALREADY_IN_USE"}, + {STATUS_PAGEFILE_QUOTA_EXCEEDED, -EDQUOT, + "STATUS_PAGEFILE_QUOTA_EXCEEDED"}, + {STATUS_COMMITMENT_LIMIT, -EIO, "STATUS_COMMITMENT_LIMIT"}, + {STATUS_INVALID_IMAGE_LE_FORMAT, -EIO, + "STATUS_INVALID_IMAGE_LE_FORMAT"}, + {STATUS_INVALID_IMAGE_NOT_MZ, -EIO, "STATUS_INVALID_IMAGE_NOT_MZ"}, + {STATUS_INVALID_IMAGE_PROTECT, -EIO, "STATUS_INVALID_IMAGE_PROTECT"}, + {STATUS_INVALID_IMAGE_WIN_16, -EIO, "STATUS_INVALID_IMAGE_WIN_16"}, + {STATUS_LOGON_SERVER_CONFLICT, -EIO, "STATUS_LOGON_SERVER_CONFLICT"}, + {STATUS_TIME_DIFFERENCE_AT_DC, -EIO, "STATUS_TIME_DIFFERENCE_AT_DC"}, + {STATUS_SYNCHRONIZATION_REQUIRED, -EIO, + "STATUS_SYNCHRONIZATION_REQUIRED"}, + {STATUS_DLL_NOT_FOUND, -ENOENT, "STATUS_DLL_NOT_FOUND"}, + {STATUS_OPEN_FAILED, -EIO, "STATUS_OPEN_FAILED"}, + {STATUS_IO_PRIVILEGE_FAILED, -EIO, "STATUS_IO_PRIVILEGE_FAILED"}, + {STATUS_ORDINAL_NOT_FOUND, -EIO, "STATUS_ORDINAL_NOT_FOUND"}, + {STATUS_ENTRYPOINT_NOT_FOUND, -EIO, "STATUS_ENTRYPOINT_NOT_FOUND"}, + {STATUS_CONTROL_C_EXIT, -EIO, "STATUS_CONTROL_C_EXIT"}, + {STATUS_LOCAL_DISCONNECT, -EIO, "STATUS_LOCAL_DISCONNECT"}, + {STATUS_REMOTE_DISCONNECT, -ESHUTDOWN, "STATUS_REMOTE_DISCONNECT"}, + {STATUS_REMOTE_RESOURCES, -EIO, "STATUS_REMOTE_RESOURCES"}, + {STATUS_LINK_FAILED, -EXDEV, "STATUS_LINK_FAILED"}, + {STATUS_LINK_TIMEOUT, -ETIMEDOUT, "STATUS_LINK_TIMEOUT"}, + {STATUS_INVALID_CONNECTION, -EIO, "STATUS_INVALID_CONNECTION"}, + {STATUS_INVALID_ADDRESS, -EIO, "STATUS_INVALID_ADDRESS"}, + {STATUS_DLL_INIT_FAILED, -EIO, "STATUS_DLL_INIT_FAILED"}, + {STATUS_MISSING_SYSTEMFILE, -EIO, "STATUS_MISSING_SYSTEMFILE"}, + {STATUS_UNHANDLED_EXCEPTION, -EIO, "STATUS_UNHANDLED_EXCEPTION"}, + {STATUS_APP_INIT_FAILURE, -EIO, "STATUS_APP_INIT_FAILURE"}, + {STATUS_PAGEFILE_CREATE_FAILED, -EIO, "STATUS_PAGEFILE_CREATE_FAILED"}, + {STATUS_NO_PAGEFILE, -EIO, "STATUS_NO_PAGEFILE"}, + {STATUS_INVALID_LEVEL, -EIO, "STATUS_INVALID_LEVEL"}, + {STATUS_WRONG_PASSWORD_CORE, -EIO, "STATUS_WRONG_PASSWORD_CORE"}, + {STATUS_ILLEGAL_FLOAT_CONTEXT, -EIO, "STATUS_ILLEGAL_FLOAT_CONTEXT"}, + {STATUS_PIPE_BROKEN, -EPIPE, "STATUS_PIPE_BROKEN"}, + {STATUS_REGISTRY_CORRUPT, -EIO, "STATUS_REGISTRY_CORRUPT"}, + {STATUS_REGISTRY_IO_FAILED, -EIO, "STATUS_REGISTRY_IO_FAILED"}, + {STATUS_NO_EVENT_PAIR, -EIO, "STATUS_NO_EVENT_PAIR"}, + {STATUS_UNRECOGNIZED_VOLUME, -EIO, "STATUS_UNRECOGNIZED_VOLUME"}, + {STATUS_SERIAL_NO_DEVICE_INITED, -EIO, + "STATUS_SERIAL_NO_DEVICE_INITED"}, + {STATUS_NO_SUCH_ALIAS, -EIO, "STATUS_NO_SUCH_ALIAS"}, + {STATUS_MEMBER_NOT_IN_ALIAS, -EIO, "STATUS_MEMBER_NOT_IN_ALIAS"}, + {STATUS_MEMBER_IN_ALIAS, -EIO, "STATUS_MEMBER_IN_ALIAS"}, + {STATUS_ALIAS_EXISTS, -EIO, "STATUS_ALIAS_EXISTS"}, + {STATUS_LOGON_NOT_GRANTED, -EIO, "STATUS_LOGON_NOT_GRANTED"}, + {STATUS_TOO_MANY_SECRETS, -EIO, "STATUS_TOO_MANY_SECRETS"}, + {STATUS_SECRET_TOO_LONG, -EIO, "STATUS_SECRET_TOO_LONG"}, + {STATUS_INTERNAL_DB_ERROR, -EIO, "STATUS_INTERNAL_DB_ERROR"}, + {STATUS_FULLSCREEN_MODE, -EIO, "STATUS_FULLSCREEN_MODE"}, + {STATUS_TOO_MANY_CONTEXT_IDS, -EIO, "STATUS_TOO_MANY_CONTEXT_IDS"}, + {STATUS_LOGON_TYPE_NOT_GRANTED, -EIO, "STATUS_LOGON_TYPE_NOT_GRANTED"}, + {STATUS_NOT_REGISTRY_FILE, -EIO, "STATUS_NOT_REGISTRY_FILE"}, + {STATUS_NT_CROSS_ENCRYPTION_REQUIRED, -EIO, + "STATUS_NT_CROSS_ENCRYPTION_REQUIRED"}, + {STATUS_DOMAIN_CTRLR_CONFIG_ERROR, -EIO, + "STATUS_DOMAIN_CTRLR_CONFIG_ERROR"}, + {STATUS_FT_MISSING_MEMBER, -EIO, "STATUS_FT_MISSING_MEMBER"}, + {STATUS_ILL_FORMED_SERVICE_ENTRY, -EIO, + "STATUS_ILL_FORMED_SERVICE_ENTRY"}, + {STATUS_ILLEGAL_CHARACTER, -EIO, "STATUS_ILLEGAL_CHARACTER"}, + {STATUS_UNMAPPABLE_CHARACTER, -EIO, "STATUS_UNMAPPABLE_CHARACTER"}, + {STATUS_UNDEFINED_CHARACTER, -EIO, "STATUS_UNDEFINED_CHARACTER"}, + {STATUS_FLOPPY_VOLUME, -EIO, "STATUS_FLOPPY_VOLUME"}, + {STATUS_FLOPPY_ID_MARK_NOT_FOUND, -EIO, + "STATUS_FLOPPY_ID_MARK_NOT_FOUND"}, + {STATUS_FLOPPY_WRONG_CYLINDER, -EIO, "STATUS_FLOPPY_WRONG_CYLINDER"}, + {STATUS_FLOPPY_UNKNOWN_ERROR, -EIO, "STATUS_FLOPPY_UNKNOWN_ERROR"}, + {STATUS_FLOPPY_BAD_REGISTERS, -EIO, "STATUS_FLOPPY_BAD_REGISTERS"}, + {STATUS_DISK_RECALIBRATE_FAILED, -EIO, + "STATUS_DISK_RECALIBRATE_FAILED"}, + {STATUS_DISK_OPERATION_FAILED, -EIO, "STATUS_DISK_OPERATION_FAILED"}, + {STATUS_DISK_RESET_FAILED, -EIO, "STATUS_DISK_RESET_FAILED"}, + {STATUS_SHARED_IRQ_BUSY, -EBUSY, "STATUS_SHARED_IRQ_BUSY"}, + {STATUS_FT_ORPHANING, -EIO, "STATUS_FT_ORPHANING"}, + {STATUS_BIOS_FAILED_TO_CONNECT_INTERRUPT, -EIO, + "STATUS_BIOS_FAILED_TO_CONNECT_INTERRUPT"}, + {STATUS_PARTITION_FAILURE, -EIO, "STATUS_PARTITION_FAILURE"}, + {STATUS_INVALID_BLOCK_LENGTH, -EIO, "STATUS_INVALID_BLOCK_LENGTH"}, + {STATUS_DEVICE_NOT_PARTITIONED, -EIO, "STATUS_DEVICE_NOT_PARTITIONED"}, + {STATUS_UNABLE_TO_LOCK_MEDIA, -EIO, "STATUS_UNABLE_TO_LOCK_MEDIA"}, + {STATUS_UNABLE_TO_UNLOAD_MEDIA, -EIO, "STATUS_UNABLE_TO_UNLOAD_MEDIA"}, + {STATUS_EOM_OVERFLOW, -EIO, "STATUS_EOM_OVERFLOW"}, + {STATUS_NO_MEDIA, -EIO, "STATUS_NO_MEDIA"}, + {STATUS_NO_SUCH_MEMBER, -EIO, "STATUS_NO_SUCH_MEMBER"}, + {STATUS_INVALID_MEMBER, -EIO, "STATUS_INVALID_MEMBER"}, + {STATUS_KEY_DELETED, -EIO, "STATUS_KEY_DELETED"}, + {STATUS_NO_LOG_SPACE, -EIO, "STATUS_NO_LOG_SPACE"}, + {STATUS_TOO_MANY_SIDS, -EIO, "STATUS_TOO_MANY_SIDS"}, + {STATUS_LM_CROSS_ENCRYPTION_REQUIRED, -EIO, + "STATUS_LM_CROSS_ENCRYPTION_REQUIRED"}, + {STATUS_KEY_HAS_CHILDREN, -EIO, "STATUS_KEY_HAS_CHILDREN"}, + {STATUS_CHILD_MUST_BE_VOLATILE, -EIO, "STATUS_CHILD_MUST_BE_VOLATILE"}, + {STATUS_DEVICE_CONFIGURATION_ERROR, -EIO, + "STATUS_DEVICE_CONFIGURATION_ERROR"}, + {STATUS_DRIVER_INTERNAL_ERROR, -EIO, "STATUS_DRIVER_INTERNAL_ERROR"}, + {STATUS_INVALID_DEVICE_STATE, -EIO, "STATUS_INVALID_DEVICE_STATE"}, + {STATUS_IO_DEVICE_ERROR, -EIO, "STATUS_IO_DEVICE_ERROR"}, + {STATUS_DEVICE_PROTOCOL_ERROR, -EIO, "STATUS_DEVICE_PROTOCOL_ERROR"}, + {STATUS_BACKUP_CONTROLLER, -EIO, "STATUS_BACKUP_CONTROLLER"}, + {STATUS_LOG_FILE_FULL, -EIO, "STATUS_LOG_FILE_FULL"}, + {STATUS_TOO_LATE, -EIO, "STATUS_TOO_LATE"}, + {STATUS_NO_TRUST_LSA_SECRET, -EIO, "STATUS_NO_TRUST_LSA_SECRET"}, + {STATUS_NO_TRUST_SAM_ACCOUNT, -EIO, "STATUS_NO_TRUST_SAM_ACCOUNT"}, + {STATUS_TRUSTED_DOMAIN_FAILURE, -EIO, "STATUS_TRUSTED_DOMAIN_FAILURE"}, + {STATUS_TRUSTED_RELATIONSHIP_FAILURE, -EIO, + "STATUS_TRUSTED_RELATIONSHIP_FAILURE"}, + {STATUS_EVENTLOG_FILE_CORRUPT, -EIO, "STATUS_EVENTLOG_FILE_CORRUPT"}, + {STATUS_EVENTLOG_CANT_START, -EIO, "STATUS_EVENTLOG_CANT_START"}, + {STATUS_TRUST_FAILURE, -EIO, "STATUS_TRUST_FAILURE"}, + {STATUS_MUTANT_LIMIT_EXCEEDED, -EIO, "STATUS_MUTANT_LIMIT_EXCEEDED"}, + {STATUS_NETLOGON_NOT_STARTED, -EIO, "STATUS_NETLOGON_NOT_STARTED"}, + {STATUS_ACCOUNT_EXPIRED, -EKEYEXPIRED, "STATUS_ACCOUNT_EXPIRED"}, + {STATUS_POSSIBLE_DEADLOCK, -EIO, "STATUS_POSSIBLE_DEADLOCK"}, + {STATUS_NETWORK_CREDENTIAL_CONFLICT, -EIO, + "STATUS_NETWORK_CREDENTIAL_CONFLICT"}, + {STATUS_REMOTE_SESSION_LIMIT, -EIO, "STATUS_REMOTE_SESSION_LIMIT"}, + {STATUS_EVENTLOG_FILE_CHANGED, -EIO, "STATUS_EVENTLOG_FILE_CHANGED"}, + {STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT, -EIO, + "STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT"}, + {STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT, -EIO, + "STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT"}, + {STATUS_NOLOGON_SERVER_TRUST_ACCOUNT, -EIO, + "STATUS_NOLOGON_SERVER_TRUST_ACCOUNT"}, + {STATUS_DOMAIN_TRUST_INCONSISTENT, -EIO, + "STATUS_DOMAIN_TRUST_INCONSISTENT"}, + {STATUS_FS_DRIVER_REQUIRED, -EIO, "STATUS_FS_DRIVER_REQUIRED"}, + {STATUS_IMAGE_ALREADY_LOADED_AS_DLL, -EIO, + "STATUS_IMAGE_ALREADY_LOADED_AS_DLL"}, + {STATUS_NETWORK_OPEN_RESTRICTION, -EIO, + "STATUS_NETWORK_OPEN_RESTRICTION"}, + {STATUS_NO_USER_SESSION_KEY, -EIO, "STATUS_NO_USER_SESSION_KEY"}, + {STATUS_USER_SESSION_DELETED, -EIO, "STATUS_USER_SESSION_DELETED"}, + {STATUS_RESOURCE_LANG_NOT_FOUND, -EIO, + "STATUS_RESOURCE_LANG_NOT_FOUND"}, + {STATUS_INSUFF_SERVER_RESOURCES, -EIO, + "STATUS_INSUFF_SERVER_RESOURCES"}, + {STATUS_INVALID_BUFFER_SIZE, -EIO, "STATUS_INVALID_BUFFER_SIZE"}, + {STATUS_INVALID_ADDRESS_COMPONENT, -EIO, + "STATUS_INVALID_ADDRESS_COMPONENT"}, + {STATUS_INVALID_ADDRESS_WILDCARD, -EIO, + "STATUS_INVALID_ADDRESS_WILDCARD"}, + {STATUS_TOO_MANY_ADDRESSES, -EIO, "STATUS_TOO_MANY_ADDRESSES"}, + {STATUS_ADDRESS_ALREADY_EXISTS, -EADDRINUSE, + "STATUS_ADDRESS_ALREADY_EXISTS"}, + {STATUS_ADDRESS_CLOSED, -EIO, "STATUS_ADDRESS_CLOSED"}, + {STATUS_CONNECTION_DISCONNECTED, -ECONNABORTED, + "STATUS_CONNECTION_DISCONNECTED"}, + {STATUS_CONNECTION_RESET, -ENETRESET, "STATUS_CONNECTION_RESET"}, + {STATUS_TOO_MANY_NODES, -EIO, "STATUS_TOO_MANY_NODES"}, + {STATUS_TRANSACTION_ABORTED, -EIO, "STATUS_TRANSACTION_ABORTED"}, + {STATUS_TRANSACTION_TIMED_OUT, -EIO, "STATUS_TRANSACTION_TIMED_OUT"}, + {STATUS_TRANSACTION_NO_RELEASE, -EIO, "STATUS_TRANSACTION_NO_RELEASE"}, + {STATUS_TRANSACTION_NO_MATCH, -EIO, "STATUS_TRANSACTION_NO_MATCH"}, + {STATUS_TRANSACTION_RESPONDED, -EIO, "STATUS_TRANSACTION_RESPONDED"}, + {STATUS_TRANSACTION_INVALID_ID, -EIO, "STATUS_TRANSACTION_INVALID_ID"}, + {STATUS_TRANSACTION_INVALID_TYPE, -EIO, + "STATUS_TRANSACTION_INVALID_TYPE"}, + {STATUS_NOT_SERVER_SESSION, -EIO, "STATUS_NOT_SERVER_SESSION"}, + {STATUS_NOT_CLIENT_SESSION, -EIO, "STATUS_NOT_CLIENT_SESSION"}, + {STATUS_CANNOT_LOAD_REGISTRY_FILE, -EIO, + "STATUS_CANNOT_LOAD_REGISTRY_FILE"}, + {STATUS_DEBUG_ATTACH_FAILED, -EIO, "STATUS_DEBUG_ATTACH_FAILED"}, + {STATUS_SYSTEM_PROCESS_TERMINATED, -EIO, + "STATUS_SYSTEM_PROCESS_TERMINATED"}, + {STATUS_DATA_NOT_ACCEPTED, -EIO, "STATUS_DATA_NOT_ACCEPTED"}, + {STATUS_NO_BROWSER_SERVERS_FOUND, -EIO, + "STATUS_NO_BROWSER_SERVERS_FOUND"}, + {STATUS_VDM_HARD_ERROR, -EIO, "STATUS_VDM_HARD_ERROR"}, + {STATUS_DRIVER_CANCEL_TIMEOUT, -EIO, "STATUS_DRIVER_CANCEL_TIMEOUT"}, + {STATUS_REPLY_MESSAGE_MISMATCH, -EIO, "STATUS_REPLY_MESSAGE_MISMATCH"}, + {STATUS_MAPPED_ALIGNMENT, -EIO, "STATUS_MAPPED_ALIGNMENT"}, + {STATUS_IMAGE_CHECKSUM_MISMATCH, -EIO, + "STATUS_IMAGE_CHECKSUM_MISMATCH"}, + {STATUS_LOST_WRITEBEHIND_DATA, -EIO, "STATUS_LOST_WRITEBEHIND_DATA"}, + {STATUS_CLIENT_SERVER_PARAMETERS_INVALID, -EIO, + "STATUS_CLIENT_SERVER_PARAMETERS_INVALID"}, + {STATUS_PASSWORD_MUST_CHANGE, -EIO, "STATUS_PASSWORD_MUST_CHANGE"}, + {STATUS_NOT_FOUND, -ENOENT, "STATUS_NOT_FOUND"}, + {STATUS_NOT_TINY_STREAM, -EIO, "STATUS_NOT_TINY_STREAM"}, + {STATUS_RECOVERY_FAILURE, -EIO, "STATUS_RECOVERY_FAILURE"}, + {STATUS_STACK_OVERFLOW_READ, -EIO, "STATUS_STACK_OVERFLOW_READ"}, + {STATUS_FAIL_CHECK, -EIO, "STATUS_FAIL_CHECK"}, + {STATUS_DUPLICATE_OBJECTID, -EIO, "STATUS_DUPLICATE_OBJECTID"}, + {STATUS_OBJECTID_EXISTS, -EIO, "STATUS_OBJECTID_EXISTS"}, + {STATUS_CONVERT_TO_LARGE, -EIO, "STATUS_CONVERT_TO_LARGE"}, + {STATUS_RETRY, -EAGAIN, "STATUS_RETRY"}, + {STATUS_FOUND_OUT_OF_SCOPE, -EIO, "STATUS_FOUND_OUT_OF_SCOPE"}, + {STATUS_ALLOCATE_BUCKET, -EIO, "STATUS_ALLOCATE_BUCKET"}, + {STATUS_PROPSET_NOT_FOUND, -EIO, "STATUS_PROPSET_NOT_FOUND"}, + {STATUS_MARSHALL_OVERFLOW, -EIO, "STATUS_MARSHALL_OVERFLOW"}, + {STATUS_INVALID_VARIANT, -EIO, "STATUS_INVALID_VARIANT"}, + {STATUS_DOMAIN_CONTROLLER_NOT_FOUND, -EIO, + "STATUS_DOMAIN_CONTROLLER_NOT_FOUND"}, + {STATUS_ACCOUNT_LOCKED_OUT, -EIO, "STATUS_ACCOUNT_LOCKED_OUT"}, + {STATUS_HANDLE_NOT_CLOSABLE, -EIO, "STATUS_HANDLE_NOT_CLOSABLE"}, + {STATUS_CONNECTION_REFUSED, -EIO, "STATUS_CONNECTION_REFUSED"}, + {STATUS_GRACEFUL_DISCONNECT, -EIO, "STATUS_GRACEFUL_DISCONNECT"}, + {STATUS_ADDRESS_ALREADY_ASSOCIATED, -EIO, + "STATUS_ADDRESS_ALREADY_ASSOCIATED"}, + {STATUS_ADDRESS_NOT_ASSOCIATED, -EIO, "STATUS_ADDRESS_NOT_ASSOCIATED"}, + {STATUS_CONNECTION_INVALID, -EIO, "STATUS_CONNECTION_INVALID"}, + {STATUS_CONNECTION_ACTIVE, -EIO, "STATUS_CONNECTION_ACTIVE"}, + {STATUS_NETWORK_UNREACHABLE, -ENETUNREACH, + "STATUS_NETWORK_UNREACHABLE"}, + {STATUS_HOST_UNREACHABLE, -EHOSTDOWN, "STATUS_HOST_UNREACHABLE"}, + {STATUS_PROTOCOL_UNREACHABLE, -ENETUNREACH, + "STATUS_PROTOCOL_UNREACHABLE"}, + {STATUS_PORT_UNREACHABLE, -ENETUNREACH, "STATUS_PORT_UNREACHABLE"}, + {STATUS_REQUEST_ABORTED, -EIO, "STATUS_REQUEST_ABORTED"}, + {STATUS_CONNECTION_ABORTED, -ECONNABORTED, "STATUS_CONNECTION_ABORTED"}, + {STATUS_BAD_COMPRESSION_BUFFER, -EIO, "STATUS_BAD_COMPRESSION_BUFFER"}, + {STATUS_USER_MAPPED_FILE, -EIO, "STATUS_USER_MAPPED_FILE"}, + {STATUS_AUDIT_FAILED, -EIO, "STATUS_AUDIT_FAILED"}, + {STATUS_TIMER_RESOLUTION_NOT_SET, -EIO, + "STATUS_TIMER_RESOLUTION_NOT_SET"}, + {STATUS_CONNECTION_COUNT_LIMIT, -EIO, "STATUS_CONNECTION_COUNT_LIMIT"}, + {STATUS_LOGIN_TIME_RESTRICTION, -EACCES, + "STATUS_LOGIN_TIME_RESTRICTION"}, + {STATUS_LOGIN_WKSTA_RESTRICTION, -EACCES, + "STATUS_LOGIN_WKSTA_RESTRICTION"}, + {STATUS_IMAGE_MP_UP_MISMATCH, -EIO, "STATUS_IMAGE_MP_UP_MISMATCH"}, + {STATUS_INSUFFICIENT_LOGON_INFO, -EIO, + "STATUS_INSUFFICIENT_LOGON_INFO"}, + {STATUS_BAD_DLL_ENTRYPOINT, -EIO, "STATUS_BAD_DLL_ENTRYPOINT"}, + {STATUS_BAD_SERVICE_ENTRYPOINT, -EIO, "STATUS_BAD_SERVICE_ENTRYPOINT"}, + {STATUS_LPC_REPLY_LOST, -EIO, "STATUS_LPC_REPLY_LOST"}, + {STATUS_IP_ADDRESS_CONFLICT1, -EIO, "STATUS_IP_ADDRESS_CONFLICT1"}, + {STATUS_IP_ADDRESS_CONFLICT2, -EIO, "STATUS_IP_ADDRESS_CONFLICT2"}, + {STATUS_REGISTRY_QUOTA_LIMIT, -EDQUOT, "STATUS_REGISTRY_QUOTA_LIMIT"}, + {STATUS_PATH_NOT_COVERED, -EREMOTE, "STATUS_PATH_NOT_COVERED"}, + {STATUS_NO_CALLBACK_ACTIVE, -EIO, "STATUS_NO_CALLBACK_ACTIVE"}, + {STATUS_LICENSE_QUOTA_EXCEEDED, -EACCES, + "STATUS_LICENSE_QUOTA_EXCEEDED"}, + {STATUS_PWD_TOO_SHORT, -EIO, "STATUS_PWD_TOO_SHORT"}, + {STATUS_PWD_TOO_RECENT, -EIO, "STATUS_PWD_TOO_RECENT"}, + {STATUS_PWD_HISTORY_CONFLICT, -EIO, "STATUS_PWD_HISTORY_CONFLICT"}, + {STATUS_PLUGPLAY_NO_DEVICE, -EIO, "STATUS_PLUGPLAY_NO_DEVICE"}, + {STATUS_UNSUPPORTED_COMPRESSION, -EIO, + "STATUS_UNSUPPORTED_COMPRESSION"}, + {STATUS_INVALID_HW_PROFILE, -EIO, "STATUS_INVALID_HW_PROFILE"}, + {STATUS_INVALID_PLUGPLAY_DEVICE_PATH, -EIO, + "STATUS_INVALID_PLUGPLAY_DEVICE_PATH"}, + {STATUS_DRIVER_ORDINAL_NOT_FOUND, -EIO, + "STATUS_DRIVER_ORDINAL_NOT_FOUND"}, + {STATUS_DRIVER_ENTRYPOINT_NOT_FOUND, -EIO, + "STATUS_DRIVER_ENTRYPOINT_NOT_FOUND"}, + {STATUS_RESOURCE_NOT_OWNED, -EIO, "STATUS_RESOURCE_NOT_OWNED"}, + {STATUS_TOO_MANY_LINKS, -EMLINK, "STATUS_TOO_MANY_LINKS"}, + {STATUS_QUOTA_LIST_INCONSISTENT, -EIO, + "STATUS_QUOTA_LIST_INCONSISTENT"}, + {STATUS_FILE_IS_OFFLINE, -EIO, "STATUS_FILE_IS_OFFLINE"}, + {STATUS_EVALUATION_EXPIRATION, -EIO, "STATUS_EVALUATION_EXPIRATION"}, + {STATUS_ILLEGAL_DLL_RELOCATION, -EIO, "STATUS_ILLEGAL_DLL_RELOCATION"}, + {STATUS_LICENSE_VIOLATION, -EIO, "STATUS_LICENSE_VIOLATION"}, + {STATUS_DLL_INIT_FAILED_LOGOFF, -EIO, "STATUS_DLL_INIT_FAILED_LOGOFF"}, + {STATUS_DRIVER_UNABLE_TO_LOAD, -EIO, "STATUS_DRIVER_UNABLE_TO_LOAD"}, + {STATUS_DFS_UNAVAILABLE, -EIO, "STATUS_DFS_UNAVAILABLE"}, + {STATUS_VOLUME_DISMOUNTED, -EIO, "STATUS_VOLUME_DISMOUNTED"}, + {STATUS_WX86_INTERNAL_ERROR, -EIO, "STATUS_WX86_INTERNAL_ERROR"}, + {STATUS_WX86_FLOAT_STACK_CHECK, -EIO, "STATUS_WX86_FLOAT_STACK_CHECK"}, + {STATUS_VALIDATE_CONTINUE, -EIO, "STATUS_VALIDATE_CONTINUE"}, + {STATUS_NO_MATCH, -EIO, "STATUS_NO_MATCH"}, + {STATUS_NO_MORE_MATCHES, -EIO, "STATUS_NO_MORE_MATCHES"}, + {STATUS_NOT_A_REPARSE_POINT, -EIO, "STATUS_NOT_A_REPARSE_POINT"}, + {STATUS_IO_REPARSE_TAG_INVALID, -EIO, "STATUS_IO_REPARSE_TAG_INVALID"}, + {STATUS_IO_REPARSE_TAG_MISMATCH, -EIO, + "STATUS_IO_REPARSE_TAG_MISMATCH"}, + {STATUS_IO_REPARSE_DATA_INVALID, -EIO, + "STATUS_IO_REPARSE_DATA_INVALID"}, + {STATUS_IO_REPARSE_TAG_NOT_HANDLED, -EIO, + "STATUS_IO_REPARSE_TAG_NOT_HANDLED"}, + {STATUS_REPARSE_POINT_NOT_RESOLVED, -EIO, + "STATUS_REPARSE_POINT_NOT_RESOLVED"}, + {STATUS_DIRECTORY_IS_A_REPARSE_POINT, -EIO, + "STATUS_DIRECTORY_IS_A_REPARSE_POINT"}, + {STATUS_RANGE_LIST_CONFLICT, -EIO, "STATUS_RANGE_LIST_CONFLICT"}, + {STATUS_SOURCE_ELEMENT_EMPTY, -EIO, "STATUS_SOURCE_ELEMENT_EMPTY"}, + {STATUS_DESTINATION_ELEMENT_FULL, -EIO, + "STATUS_DESTINATION_ELEMENT_FULL"}, + {STATUS_ILLEGAL_ELEMENT_ADDRESS, -EIO, + "STATUS_ILLEGAL_ELEMENT_ADDRESS"}, + {STATUS_MAGAZINE_NOT_PRESENT, -EIO, "STATUS_MAGAZINE_NOT_PRESENT"}, + {STATUS_REINITIALIZATION_NEEDED, -EIO, + "STATUS_REINITIALIZATION_NEEDED"}, + {STATUS_ENCRYPTION_FAILED, -EIO, "STATUS_ENCRYPTION_FAILED"}, + {STATUS_DECRYPTION_FAILED, -EIO, "STATUS_DECRYPTION_FAILED"}, + {STATUS_RANGE_NOT_FOUND, -EIO, "STATUS_RANGE_NOT_FOUND"}, + {STATUS_NO_RECOVERY_POLICY, -EIO, "STATUS_NO_RECOVERY_POLICY"}, + {STATUS_NO_EFS, -EIO, "STATUS_NO_EFS"}, + {STATUS_WRONG_EFS, -EIO, "STATUS_WRONG_EFS"}, + {STATUS_NO_USER_KEYS, -EIO, "STATUS_NO_USER_KEYS"}, + {STATUS_FILE_NOT_ENCRYPTED, -EIO, "STATUS_FILE_NOT_ENCRYPTED"}, + {STATUS_NOT_EXPORT_FORMAT, -EIO, "STATUS_NOT_EXPORT_FORMAT"}, + {STATUS_FILE_ENCRYPTED, -EIO, "STATUS_FILE_ENCRYPTED"}, + {STATUS_WMI_GUID_NOT_FOUND, -EIO, "STATUS_WMI_GUID_NOT_FOUND"}, + {STATUS_WMI_INSTANCE_NOT_FOUND, -EIO, "STATUS_WMI_INSTANCE_NOT_FOUND"}, + {STATUS_WMI_ITEMID_NOT_FOUND, -EIO, "STATUS_WMI_ITEMID_NOT_FOUND"}, + {STATUS_WMI_TRY_AGAIN, -EIO, "STATUS_WMI_TRY_AGAIN"}, + {STATUS_SHARED_POLICY, -EIO, "STATUS_SHARED_POLICY"}, + {STATUS_POLICY_OBJECT_NOT_FOUND, -EIO, + "STATUS_POLICY_OBJECT_NOT_FOUND"}, + {STATUS_POLICY_ONLY_IN_DS, -EIO, "STATUS_POLICY_ONLY_IN_DS"}, + {STATUS_VOLUME_NOT_UPGRADED, -EIO, "STATUS_VOLUME_NOT_UPGRADED"}, + {STATUS_REMOTE_STORAGE_NOT_ACTIVE, -EIO, + "STATUS_REMOTE_STORAGE_NOT_ACTIVE"}, + {STATUS_REMOTE_STORAGE_MEDIA_ERROR, -EIO, + "STATUS_REMOTE_STORAGE_MEDIA_ERROR"}, + {STATUS_NO_TRACKING_SERVICE, -EIO, "STATUS_NO_TRACKING_SERVICE"}, + {STATUS_SERVER_SID_MISMATCH, -EIO, "STATUS_SERVER_SID_MISMATCH"}, + {STATUS_DS_NO_ATTRIBUTE_OR_VALUE, -EIO, + "STATUS_DS_NO_ATTRIBUTE_OR_VALUE"}, + {STATUS_DS_INVALID_ATTRIBUTE_SYNTAX, -EIO, + "STATUS_DS_INVALID_ATTRIBUTE_SYNTAX"}, + {STATUS_DS_ATTRIBUTE_TYPE_UNDEFINED, -EIO, + "STATUS_DS_ATTRIBUTE_TYPE_UNDEFINED"}, + {STATUS_DS_ATTRIBUTE_OR_VALUE_EXISTS, -EIO, + "STATUS_DS_ATTRIBUTE_OR_VALUE_EXISTS"}, + {STATUS_DS_BUSY, -EBUSY, "STATUS_DS_BUSY"}, + {STATUS_DS_UNAVAILABLE, -EIO, "STATUS_DS_UNAVAILABLE"}, + {STATUS_DS_NO_RIDS_ALLOCATED, -EIO, "STATUS_DS_NO_RIDS_ALLOCATED"}, + {STATUS_DS_NO_MORE_RIDS, -EIO, "STATUS_DS_NO_MORE_RIDS"}, + {STATUS_DS_INCORRECT_ROLE_OWNER, -EIO, + "STATUS_DS_INCORRECT_ROLE_OWNER"}, + {STATUS_DS_RIDMGR_INIT_ERROR, -EIO, "STATUS_DS_RIDMGR_INIT_ERROR"}, + {STATUS_DS_OBJ_CLASS_VIOLATION, -EIO, "STATUS_DS_OBJ_CLASS_VIOLATION"}, + {STATUS_DS_CANT_ON_NON_LEAF, -EIO, "STATUS_DS_CANT_ON_NON_LEAF"}, + {STATUS_DS_CANT_ON_RDN, -EIO, "STATUS_DS_CANT_ON_RDN"}, + {STATUS_DS_CANT_MOD_OBJ_CLASS, -EIO, "STATUS_DS_CANT_MOD_OBJ_CLASS"}, + {STATUS_DS_CROSS_DOM_MOVE_FAILED, -EIO, + "STATUS_DS_CROSS_DOM_MOVE_FAILED"}, + {STATUS_DS_GC_NOT_AVAILABLE, -EIO, "STATUS_DS_GC_NOT_AVAILABLE"}, + {STATUS_DIRECTORY_SERVICE_REQUIRED, -EIO, + "STATUS_DIRECTORY_SERVICE_REQUIRED"}, + {STATUS_REPARSE_ATTRIBUTE_CONFLICT, -EIO, + "STATUS_REPARSE_ATTRIBUTE_CONFLICT"}, + {STATUS_CANT_ENABLE_DENY_ONLY, -EIO, "STATUS_CANT_ENABLE_DENY_ONLY"}, + {STATUS_FLOAT_MULTIPLE_FAULTS, -EIO, "STATUS_FLOAT_MULTIPLE_FAULTS"}, + {STATUS_FLOAT_MULTIPLE_TRAPS, -EIO, "STATUS_FLOAT_MULTIPLE_TRAPS"}, + {STATUS_DEVICE_REMOVED, -EIO, "STATUS_DEVICE_REMOVED"}, + {STATUS_JOURNAL_DELETE_IN_PROGRESS, -EIO, + "STATUS_JOURNAL_DELETE_IN_PROGRESS"}, + {STATUS_JOURNAL_NOT_ACTIVE, -EIO, "STATUS_JOURNAL_NOT_ACTIVE"}, + {STATUS_NOINTERFACE, -EIO, "STATUS_NOINTERFACE"}, + {STATUS_DS_ADMIN_LIMIT_EXCEEDED, -EIO, + "STATUS_DS_ADMIN_LIMIT_EXCEEDED"}, + {STATUS_DRIVER_FAILED_SLEEP, -EIO, "STATUS_DRIVER_FAILED_SLEEP"}, + {STATUS_MUTUAL_AUTHENTICATION_FAILED, -EIO, + "STATUS_MUTUAL_AUTHENTICATION_FAILED"}, + {STATUS_CORRUPT_SYSTEM_FILE, -EIO, "STATUS_CORRUPT_SYSTEM_FILE"}, + {STATUS_DATATYPE_MISALIGNMENT_ERROR, -EIO, + "STATUS_DATATYPE_MISALIGNMENT_ERROR"}, + {STATUS_WMI_READ_ONLY, -EROFS, "STATUS_WMI_READ_ONLY"}, + {STATUS_WMI_SET_FAILURE, -EIO, "STATUS_WMI_SET_FAILURE"}, + {STATUS_COMMITMENT_MINIMUM, -EIO, "STATUS_COMMITMENT_MINIMUM"}, + {STATUS_REG_NAT_CONSUMPTION, -EIO, "STATUS_REG_NAT_CONSUMPTION"}, + {STATUS_TRANSPORT_FULL, -EIO, "STATUS_TRANSPORT_FULL"}, + {STATUS_DS_SAM_INIT_FAILURE, -EIO, "STATUS_DS_SAM_INIT_FAILURE"}, + {STATUS_ONLY_IF_CONNECTED, -EIO, "STATUS_ONLY_IF_CONNECTED"}, + {STATUS_DS_SENSITIVE_GROUP_VIOLATION, -EIO, + "STATUS_DS_SENSITIVE_GROUP_VIOLATION"}, + {STATUS_PNP_RESTART_ENUMERATION, -EIO, + "STATUS_PNP_RESTART_ENUMERATION"}, + {STATUS_JOURNAL_ENTRY_DELETED, -EIO, "STATUS_JOURNAL_ENTRY_DELETED"}, + {STATUS_DS_CANT_MOD_PRIMARYGROUPID, -EIO, + "STATUS_DS_CANT_MOD_PRIMARYGROUPID"}, + {STATUS_SYSTEM_IMAGE_BAD_SIGNATURE, -EIO, + "STATUS_SYSTEM_IMAGE_BAD_SIGNATURE"}, + {STATUS_PNP_REBOOT_REQUIRED, -EIO, "STATUS_PNP_REBOOT_REQUIRED"}, + {STATUS_POWER_STATE_INVALID, -EIO, "STATUS_POWER_STATE_INVALID"}, + {STATUS_DS_INVALID_GROUP_TYPE, -EIO, "STATUS_DS_INVALID_GROUP_TYPE"}, + {STATUS_DS_NO_NEST_GLOBALGROUP_IN_MIXEDDOMAIN, -EIO, + "STATUS_DS_NO_NEST_GLOBALGROUP_IN_MIXEDDOMAIN"}, + {STATUS_DS_NO_NEST_LOCALGROUP_IN_MIXEDDOMAIN, -EIO, + "STATUS_DS_NO_NEST_LOCALGROUP_IN_MIXEDDOMAIN"}, + {STATUS_DS_GLOBAL_CANT_HAVE_LOCAL_MEMBER, -EIO, + "STATUS_DS_GLOBAL_CANT_HAVE_LOCAL_MEMBER"}, + {STATUS_DS_GLOBAL_CANT_HAVE_UNIVERSAL_MEMBER, -EIO, + "STATUS_DS_GLOBAL_CANT_HAVE_UNIVERSAL_MEMBER"}, + {STATUS_DS_UNIVERSAL_CANT_HAVE_LOCAL_MEMBER, -EIO, + "STATUS_DS_UNIVERSAL_CANT_HAVE_LOCAL_MEMBER"}, + {STATUS_DS_GLOBAL_CANT_HAVE_CROSSDOMAIN_MEMBER, -EIO, + "STATUS_DS_GLOBAL_CANT_HAVE_CROSSDOMAIN_MEMBER"}, + {STATUS_DS_LOCAL_CANT_HAVE_CROSSDOMAIN_LOCAL_MEMBER, -EIO, + "STATUS_DS_LOCAL_CANT_HAVE_CROSSDOMAIN_LOCAL_MEMBER"}, + {STATUS_DS_HAVE_PRIMARY_MEMBERS, -EIO, + "STATUS_DS_HAVE_PRIMARY_MEMBERS"}, + {STATUS_WMI_NOT_SUPPORTED, -EOPNOTSUPP, "STATUS_WMI_NOT_SUPPORTED"}, + {STATUS_INSUFFICIENT_POWER, -EIO, "STATUS_INSUFFICIENT_POWER"}, + {STATUS_SAM_NEED_BOOTKEY_PASSWORD, -EIO, + "STATUS_SAM_NEED_BOOTKEY_PASSWORD"}, + {STATUS_SAM_NEED_BOOTKEY_FLOPPY, -EIO, + "STATUS_SAM_NEED_BOOTKEY_FLOPPY"}, + {STATUS_DS_CANT_START, -EIO, "STATUS_DS_CANT_START"}, + {STATUS_DS_INIT_FAILURE, -EIO, "STATUS_DS_INIT_FAILURE"}, + {STATUS_SAM_INIT_FAILURE, -EIO, "STATUS_SAM_INIT_FAILURE"}, + {STATUS_DS_GC_REQUIRED, -EIO, "STATUS_DS_GC_REQUIRED"}, + {STATUS_DS_LOCAL_MEMBER_OF_LOCAL_ONLY, -EIO, + "STATUS_DS_LOCAL_MEMBER_OF_LOCAL_ONLY"}, + {STATUS_DS_NO_FPO_IN_UNIVERSAL_GROUPS, -EIO, + "STATUS_DS_NO_FPO_IN_UNIVERSAL_GROUPS"}, + {STATUS_DS_MACHINE_ACCOUNT_QUOTA_EXCEEDED, -EDQUOT, + "STATUS_DS_MACHINE_ACCOUNT_QUOTA_EXCEEDED"}, + {STATUS_MULTIPLE_FAULT_VIOLATION, -EIO, + "STATUS_MULTIPLE_FAULT_VIOLATION"}, + {STATUS_CURRENT_DOMAIN_NOT_ALLOWED, -EIO, + "STATUS_CURRENT_DOMAIN_NOT_ALLOWED"}, + {STATUS_CANNOT_MAKE, -EIO, "STATUS_CANNOT_MAKE"}, + {STATUS_SYSTEM_SHUTDOWN, -EIO, "STATUS_SYSTEM_SHUTDOWN"}, + {STATUS_DS_INIT_FAILURE_CONSOLE, -EIO, + "STATUS_DS_INIT_FAILURE_CONSOLE"}, + {STATUS_DS_SAM_INIT_FAILURE_CONSOLE, -EIO, + "STATUS_DS_SAM_INIT_FAILURE_CONSOLE"}, + {STATUS_UNFINISHED_CONTEXT_DELETED, -EIO, + "STATUS_UNFINISHED_CONTEXT_DELETED"}, + {STATUS_NO_TGT_REPLY, -EIO, "STATUS_NO_TGT_REPLY"}, + {STATUS_OBJECTID_NOT_FOUND, -EIO, "STATUS_OBJECTID_NOT_FOUND"}, + {STATUS_NO_IP_ADDRESSES, -EIO, "STATUS_NO_IP_ADDRESSES"}, + {STATUS_WRONG_CREDENTIAL_HANDLE, -EIO, + "STATUS_WRONG_CREDENTIAL_HANDLE"}, + {STATUS_CRYPTO_SYSTEM_INVALID, -EIO, "STATUS_CRYPTO_SYSTEM_INVALID"}, + {STATUS_MAX_REFERRALS_EXCEEDED, -EIO, "STATUS_MAX_REFERRALS_EXCEEDED"}, + {STATUS_MUST_BE_KDC, -EIO, "STATUS_MUST_BE_KDC"}, + {STATUS_STRONG_CRYPTO_NOT_SUPPORTED, -EIO, + "STATUS_STRONG_CRYPTO_NOT_SUPPORTED"}, + {STATUS_TOO_MANY_PRINCIPALS, -EIO, "STATUS_TOO_MANY_PRINCIPALS"}, + {STATUS_NO_PA_DATA, -EIO, "STATUS_NO_PA_DATA"}, + {STATUS_PKINIT_NAME_MISMATCH, -EIO, "STATUS_PKINIT_NAME_MISMATCH"}, + {STATUS_SMARTCARD_LOGON_REQUIRED, -EIO, + "STATUS_SMARTCARD_LOGON_REQUIRED"}, + {STATUS_KDC_INVALID_REQUEST, -EIO, "STATUS_KDC_INVALID_REQUEST"}, + {STATUS_KDC_UNABLE_TO_REFER, -EIO, "STATUS_KDC_UNABLE_TO_REFER"}, + {STATUS_KDC_UNKNOWN_ETYPE, -EIO, "STATUS_KDC_UNKNOWN_ETYPE"}, + {STATUS_SHUTDOWN_IN_PROGRESS, -EIO, "STATUS_SHUTDOWN_IN_PROGRESS"}, + {STATUS_SERVER_SHUTDOWN_IN_PROGRESS, -EIO, + "STATUS_SERVER_SHUTDOWN_IN_PROGRESS"}, + {STATUS_NOT_SUPPORTED_ON_SBS, -EOPNOTSUPP, + "STATUS_NOT_SUPPORTED_ON_SBS"}, + {STATUS_WMI_GUID_DISCONNECTED, -EIO, "STATUS_WMI_GUID_DISCONNECTED"}, + {STATUS_WMI_ALREADY_DISABLED, -EIO, "STATUS_WMI_ALREADY_DISABLED"}, + {STATUS_WMI_ALREADY_ENABLED, -EIO, "STATUS_WMI_ALREADY_ENABLED"}, + {STATUS_MFT_TOO_FRAGMENTED, -EIO, "STATUS_MFT_TOO_FRAGMENTED"}, + {STATUS_COPY_PROTECTION_FAILURE, -EIO, + "STATUS_COPY_PROTECTION_FAILURE"}, + {STATUS_CSS_AUTHENTICATION_FAILURE, -EIO, + "STATUS_CSS_AUTHENTICATION_FAILURE"}, + {STATUS_CSS_KEY_NOT_PRESENT, -EIO, "STATUS_CSS_KEY_NOT_PRESENT"}, + {STATUS_CSS_KEY_NOT_ESTABLISHED, -EIO, + "STATUS_CSS_KEY_NOT_ESTABLISHED"}, + {STATUS_CSS_SCRAMBLED_SECTOR, -EIO, "STATUS_CSS_SCRAMBLED_SECTOR"}, + {STATUS_CSS_REGION_MISMATCH, -EIO, "STATUS_CSS_REGION_MISMATCH"}, + {STATUS_CSS_RESETS_EXHAUSTED, -EIO, "STATUS_CSS_RESETS_EXHAUSTED"}, + {STATUS_PKINIT_FAILURE, -EIO, "STATUS_PKINIT_FAILURE"}, + {STATUS_SMARTCARD_SUBSYSTEM_FAILURE, -EIO, + "STATUS_SMARTCARD_SUBSYSTEM_FAILURE"}, + {STATUS_NO_KERB_KEY, -EIO, "STATUS_NO_KERB_KEY"}, + {STATUS_HOST_DOWN, -EIO, "STATUS_HOST_DOWN"}, + {STATUS_UNSUPPORTED_PREAUTH, -EIO, "STATUS_UNSUPPORTED_PREAUTH"}, + {STATUS_EFS_ALG_BLOB_TOO_BIG, -EIO, "STATUS_EFS_ALG_BLOB_TOO_BIG"}, + {STATUS_PORT_NOT_SET, -EIO, "STATUS_PORT_NOT_SET"}, + {STATUS_DEBUGGER_INACTIVE, -EIO, "STATUS_DEBUGGER_INACTIVE"}, + {STATUS_DS_VERSION_CHECK_FAILURE, -EIO, + "STATUS_DS_VERSION_CHECK_FAILURE"}, + {STATUS_AUDITING_DISABLED, -EIO, "STATUS_AUDITING_DISABLED"}, + {STATUS_PRENT4_MACHINE_ACCOUNT, -EIO, "STATUS_PRENT4_MACHINE_ACCOUNT"}, + {STATUS_DS_AG_CANT_HAVE_UNIVERSAL_MEMBER, -EIO, + "STATUS_DS_AG_CANT_HAVE_UNIVERSAL_MEMBER"}, + {STATUS_INVALID_IMAGE_WIN_32, -EIO, "STATUS_INVALID_IMAGE_WIN_32"}, + {STATUS_INVALID_IMAGE_WIN_64, -EIO, "STATUS_INVALID_IMAGE_WIN_64"}, + {STATUS_BAD_BINDINGS, -EIO, "STATUS_BAD_BINDINGS"}, + {STATUS_NETWORK_SESSION_EXPIRED, -EIO, + "STATUS_NETWORK_SESSION_EXPIRED"}, + {STATUS_APPHELP_BLOCK, -EIO, "STATUS_APPHELP_BLOCK"}, + {STATUS_ALL_SIDS_FILTERED, -EIO, "STATUS_ALL_SIDS_FILTERED"}, + {STATUS_NOT_SAFE_MODE_DRIVER, -EIO, "STATUS_NOT_SAFE_MODE_DRIVER"}, + {STATUS_ACCESS_DISABLED_BY_POLICY_DEFAULT, -EACCES, + "STATUS_ACCESS_DISABLED_BY_POLICY_DEFAULT"}, + {STATUS_ACCESS_DISABLED_BY_POLICY_PATH, -EACCES, + "STATUS_ACCESS_DISABLED_BY_POLICY_PATH"}, + {STATUS_ACCESS_DISABLED_BY_POLICY_PUBLISHER, -EACCES, + "STATUS_ACCESS_DISABLED_BY_POLICY_PUBLISHER"}, + {STATUS_ACCESS_DISABLED_BY_POLICY_OTHER, -EACCES, + "STATUS_ACCESS_DISABLED_BY_POLICY_OTHER"}, + {STATUS_FAILED_DRIVER_ENTRY, -EIO, "STATUS_FAILED_DRIVER_ENTRY"}, + {STATUS_DEVICE_ENUMERATION_ERROR, -EIO, + "STATUS_DEVICE_ENUMERATION_ERROR"}, + {STATUS_MOUNT_POINT_NOT_RESOLVED, -EIO, + "STATUS_MOUNT_POINT_NOT_RESOLVED"}, + {STATUS_INVALID_DEVICE_OBJECT_PARAMETER, -EIO, + "STATUS_INVALID_DEVICE_OBJECT_PARAMETER"}, + {STATUS_MCA_OCCURED, -EIO, "STATUS_MCA_OCCURED"}, + {STATUS_DRIVER_BLOCKED_CRITICAL, -EIO, + "STATUS_DRIVER_BLOCKED_CRITICAL"}, + {STATUS_DRIVER_BLOCKED, -EIO, "STATUS_DRIVER_BLOCKED"}, + {STATUS_DRIVER_DATABASE_ERROR, -EIO, "STATUS_DRIVER_DATABASE_ERROR"}, + {STATUS_SYSTEM_HIVE_TOO_LARGE, -EIO, "STATUS_SYSTEM_HIVE_TOO_LARGE"}, + {STATUS_INVALID_IMPORT_OF_NON_DLL, -EIO, + "STATUS_INVALID_IMPORT_OF_NON_DLL"}, + {STATUS_NO_SECRETS, -EIO, "STATUS_NO_SECRETS"}, + {STATUS_ACCESS_DISABLED_NO_SAFER_UI_BY_POLICY, -EACCES, + "STATUS_ACCESS_DISABLED_NO_SAFER_UI_BY_POLICY"}, + {STATUS_FAILED_STACK_SWITCH, -EIO, "STATUS_FAILED_STACK_SWITCH"}, + {STATUS_HEAP_CORRUPTION, -EIO, "STATUS_HEAP_CORRUPTION"}, + {STATUS_SMARTCARD_WRONG_PIN, -EIO, "STATUS_SMARTCARD_WRONG_PIN"}, + {STATUS_SMARTCARD_CARD_BLOCKED, -EIO, "STATUS_SMARTCARD_CARD_BLOCKED"}, + {STATUS_SMARTCARD_CARD_NOT_AUTHENTICATED, -EIO, + "STATUS_SMARTCARD_CARD_NOT_AUTHENTICATED"}, + {STATUS_SMARTCARD_NO_CARD, -EIO, "STATUS_SMARTCARD_NO_CARD"}, + {STATUS_SMARTCARD_NO_KEY_CONTAINER, -EIO, + "STATUS_SMARTCARD_NO_KEY_CONTAINER"}, + {STATUS_SMARTCARD_NO_CERTIFICATE, -EIO, + "STATUS_SMARTCARD_NO_CERTIFICATE"}, + {STATUS_SMARTCARD_NO_KEYSET, -EIO, "STATUS_SMARTCARD_NO_KEYSET"}, + {STATUS_SMARTCARD_IO_ERROR, -EIO, "STATUS_SMARTCARD_IO_ERROR"}, + {STATUS_DOWNGRADE_DETECTED, -EIO, "STATUS_DOWNGRADE_DETECTED"}, + {STATUS_SMARTCARD_CERT_REVOKED, -EIO, "STATUS_SMARTCARD_CERT_REVOKED"}, + {STATUS_ISSUING_CA_UNTRUSTED, -EIO, "STATUS_ISSUING_CA_UNTRUSTED"}, + {STATUS_REVOCATION_OFFLINE_C, -EIO, "STATUS_REVOCATION_OFFLINE_C"}, + {STATUS_PKINIT_CLIENT_FAILURE, -EIO, "STATUS_PKINIT_CLIENT_FAILURE"}, + {STATUS_SMARTCARD_CERT_EXPIRED, -EIO, "STATUS_SMARTCARD_CERT_EXPIRED"}, + {STATUS_DRIVER_FAILED_PRIOR_UNLOAD, -EIO, + "STATUS_DRIVER_FAILED_PRIOR_UNLOAD"}, + {STATUS_SMARTCARD_SILENT_CONTEXT, -EIO, + "STATUS_SMARTCARD_SILENT_CONTEXT"}, + {STATUS_PER_USER_TRUST_QUOTA_EXCEEDED, -EDQUOT, + "STATUS_PER_USER_TRUST_QUOTA_EXCEEDED"}, + {STATUS_ALL_USER_TRUST_QUOTA_EXCEEDED, -EDQUOT, + "STATUS_ALL_USER_TRUST_QUOTA_EXCEEDED"}, + {STATUS_USER_DELETE_TRUST_QUOTA_EXCEEDED, -EDQUOT, + "STATUS_USER_DELETE_TRUST_QUOTA_EXCEEDED"}, + {STATUS_DS_NAME_NOT_UNIQUE, -EIO, "STATUS_DS_NAME_NOT_UNIQUE"}, + {STATUS_DS_DUPLICATE_ID_FOUND, -EIO, "STATUS_DS_DUPLICATE_ID_FOUND"}, + {STATUS_DS_GROUP_CONVERSION_ERROR, -EIO, + "STATUS_DS_GROUP_CONVERSION_ERROR"}, + {STATUS_VOLSNAP_PREPARE_HIBERNATE, -EIO, + "STATUS_VOLSNAP_PREPARE_HIBERNATE"}, + {STATUS_USER2USER_REQUIRED, -EIO, "STATUS_USER2USER_REQUIRED"}, + {STATUS_STACK_BUFFER_OVERRUN, -EIO, "STATUS_STACK_BUFFER_OVERRUN"}, + {STATUS_NO_S4U_PROT_SUPPORT, -EIO, "STATUS_NO_S4U_PROT_SUPPORT"}, + {STATUS_CROSSREALM_DELEGATION_FAILURE, -EIO, + "STATUS_CROSSREALM_DELEGATION_FAILURE"}, + {STATUS_REVOCATION_OFFLINE_KDC, -EIO, "STATUS_REVOCATION_OFFLINE_KDC"}, + {STATUS_ISSUING_CA_UNTRUSTED_KDC, -EIO, + "STATUS_ISSUING_CA_UNTRUSTED_KDC"}, + {STATUS_KDC_CERT_EXPIRED, -EIO, "STATUS_KDC_CERT_EXPIRED"}, + {STATUS_KDC_CERT_REVOKED, -EIO, "STATUS_KDC_CERT_REVOKED"}, + {STATUS_PARAMETER_QUOTA_EXCEEDED, -EDQUOT, + "STATUS_PARAMETER_QUOTA_EXCEEDED"}, + {STATUS_HIBERNATION_FAILURE, -EIO, "STATUS_HIBERNATION_FAILURE"}, + {STATUS_DELAY_LOAD_FAILED, -EIO, "STATUS_DELAY_LOAD_FAILED"}, + {STATUS_AUTHENTICATION_FIREWALL_FAILED, -EIO, + "STATUS_AUTHENTICATION_FIREWALL_FAILED"}, + {STATUS_VDM_DISALLOWED, -EIO, "STATUS_VDM_DISALLOWED"}, + {STATUS_HUNG_DISPLAY_DRIVER_THREAD, -EIO, + "STATUS_HUNG_DISPLAY_DRIVER_THREAD"}, + {STATUS_INSUFFICIENT_RESOURCE_FOR_SPECIFIED_SHARED_SECTION_SIZE, -EIO, + "STATUS_INSUFFICIENT_RESOURCE_FOR_SPECIFIED_SHARED_SECTION_SIZE"}, + {STATUS_INVALID_CRUNTIME_PARAMETER, -EIO, + "STATUS_INVALID_CRUNTIME_PARAMETER"}, + {STATUS_NTLM_BLOCKED, -EIO, "STATUS_NTLM_BLOCKED"}, + {STATUS_ASSERTION_FAILURE, -EIO, "STATUS_ASSERTION_FAILURE"}, + {STATUS_VERIFIER_STOP, -EIO, "STATUS_VERIFIER_STOP"}, + {STATUS_CALLBACK_POP_STACK, -EIO, "STATUS_CALLBACK_POP_STACK"}, + {STATUS_INCOMPATIBLE_DRIVER_BLOCKED, -EIO, + "STATUS_INCOMPATIBLE_DRIVER_BLOCKED"}, + {STATUS_HIVE_UNLOADED, -EIO, "STATUS_HIVE_UNLOADED"}, + {STATUS_COMPRESSION_DISABLED, -EIO, "STATUS_COMPRESSION_DISABLED"}, + {STATUS_FILE_SYSTEM_LIMITATION, -EIO, "STATUS_FILE_SYSTEM_LIMITATION"}, + {STATUS_INVALID_IMAGE_HASH, -EIO, "STATUS_INVALID_IMAGE_HASH"}, + {STATUS_NOT_CAPABLE, -EIO, "STATUS_NOT_CAPABLE"}, + {STATUS_REQUEST_OUT_OF_SEQUENCE, -EIO, + "STATUS_REQUEST_OUT_OF_SEQUENCE"}, + {STATUS_IMPLEMENTATION_LIMIT, -EIO, "STATUS_IMPLEMENTATION_LIMIT"}, + {STATUS_ELEVATION_REQUIRED, -EIO, "STATUS_ELEVATION_REQUIRED"}, + {STATUS_BEYOND_VDL, -EIO, "STATUS_BEYOND_VDL"}, + {STATUS_ENCOUNTERED_WRITE_IN_PROGRESS, -EIO, + "STATUS_ENCOUNTERED_WRITE_IN_PROGRESS"}, + {STATUS_PTE_CHANGED, -EIO, "STATUS_PTE_CHANGED"}, + {STATUS_PURGE_FAILED, -EIO, "STATUS_PURGE_FAILED"}, + {STATUS_CRED_REQUIRES_CONFIRMATION, -EIO, + "STATUS_CRED_REQUIRES_CONFIRMATION"}, + {STATUS_CS_ENCRYPTION_INVALID_SERVER_RESPONSE, -EIO, + "STATUS_CS_ENCRYPTION_INVALID_SERVER_RESPONSE"}, + {STATUS_CS_ENCRYPTION_UNSUPPORTED_SERVER, -EIO, + "STATUS_CS_ENCRYPTION_UNSUPPORTED_SERVER"}, + {STATUS_CS_ENCRYPTION_EXISTING_ENCRYPTED_FILE, -EIO, + "STATUS_CS_ENCRYPTION_EXISTING_ENCRYPTED_FILE"}, + {STATUS_CS_ENCRYPTION_NEW_ENCRYPTED_FILE, -EIO, + "STATUS_CS_ENCRYPTION_NEW_ENCRYPTED_FILE"}, + {STATUS_CS_ENCRYPTION_FILE_NOT_CSE, -EIO, + "STATUS_CS_ENCRYPTION_FILE_NOT_CSE"}, + {STATUS_INVALID_LABEL, -EIO, "STATUS_INVALID_LABEL"}, + {STATUS_DRIVER_PROCESS_TERMINATED, -EIO, + "STATUS_DRIVER_PROCESS_TERMINATED"}, + {STATUS_AMBIGUOUS_SYSTEM_DEVICE, -EIO, + "STATUS_AMBIGUOUS_SYSTEM_DEVICE"}, + {STATUS_SYSTEM_DEVICE_NOT_FOUND, -EIO, + "STATUS_SYSTEM_DEVICE_NOT_FOUND"}, + {STATUS_RESTART_BOOT_APPLICATION, -EIO, + "STATUS_RESTART_BOOT_APPLICATION"}, + {STATUS_INVALID_TASK_NAME, -EIO, "STATUS_INVALID_TASK_NAME"}, + {STATUS_INVALID_TASK_INDEX, -EIO, "STATUS_INVALID_TASK_INDEX"}, + {STATUS_THREAD_ALREADY_IN_TASK, -EIO, "STATUS_THREAD_ALREADY_IN_TASK"}, + {STATUS_CALLBACK_BYPASS, -EIO, "STATUS_CALLBACK_BYPASS"}, + {STATUS_PORT_CLOSED, -EIO, "STATUS_PORT_CLOSED"}, + {STATUS_MESSAGE_LOST, -EIO, "STATUS_MESSAGE_LOST"}, + {STATUS_INVALID_MESSAGE, -EIO, "STATUS_INVALID_MESSAGE"}, + {STATUS_REQUEST_CANCELED, -EIO, "STATUS_REQUEST_CANCELED"}, + {STATUS_RECURSIVE_DISPATCH, -EIO, "STATUS_RECURSIVE_DISPATCH"}, + {STATUS_LPC_RECEIVE_BUFFER_EXPECTED, -EIO, + "STATUS_LPC_RECEIVE_BUFFER_EXPECTED"}, + {STATUS_LPC_INVALID_CONNECTION_USAGE, -EIO, + "STATUS_LPC_INVALID_CONNECTION_USAGE"}, + {STATUS_LPC_REQUESTS_NOT_ALLOWED, -EIO, + "STATUS_LPC_REQUESTS_NOT_ALLOWED"}, + {STATUS_RESOURCE_IN_USE, -EIO, "STATUS_RESOURCE_IN_USE"}, + {STATUS_HARDWARE_MEMORY_ERROR, -EIO, "STATUS_HARDWARE_MEMORY_ERROR"}, + {STATUS_THREADPOOL_HANDLE_EXCEPTION, -EIO, + "STATUS_THREADPOOL_HANDLE_EXCEPTION"}, + {STATUS_THREADPOOL_SET_EVENT_ON_COMPLETION_FAILED, -EIO, + "STATUS_THREADPOOL_SET_EVENT_ON_COMPLETION_FAILED"}, + {STATUS_THREADPOOL_RELEASE_SEMAPHORE_ON_COMPLETION_FAILED, -EIO, + "STATUS_THREADPOOL_RELEASE_SEMAPHORE_ON_COMPLETION_FAILED"}, + {STATUS_THREADPOOL_RELEASE_MUTEX_ON_COMPLETION_FAILED, -EIO, + "STATUS_THREADPOOL_RELEASE_MUTEX_ON_COMPLETION_FAILED"}, + {STATUS_THREADPOOL_FREE_LIBRARY_ON_COMPLETION_FAILED, -EIO, + "STATUS_THREADPOOL_FREE_LIBRARY_ON_COMPLETION_FAILED"}, + {STATUS_THREADPOOL_RELEASED_DURING_OPERATION, -EIO, + "STATUS_THREADPOOL_RELEASED_DURING_OPERATION"}, + {STATUS_CALLBACK_RETURNED_WHILE_IMPERSONATING, -EIO, + "STATUS_CALLBACK_RETURNED_WHILE_IMPERSONATING"}, + {STATUS_APC_RETURNED_WHILE_IMPERSONATING, -EIO, + "STATUS_APC_RETURNED_WHILE_IMPERSONATING"}, + {STATUS_PROCESS_IS_PROTECTED, -EIO, "STATUS_PROCESS_IS_PROTECTED"}, + {STATUS_MCA_EXCEPTION, -EIO, "STATUS_MCA_EXCEPTION"}, + {STATUS_CERTIFICATE_MAPPING_NOT_UNIQUE, -EIO, + "STATUS_CERTIFICATE_MAPPING_NOT_UNIQUE"}, + {STATUS_SYMLINK_CLASS_DISABLED, -EIO, "STATUS_SYMLINK_CLASS_DISABLED"}, + {STATUS_INVALID_IDN_NORMALIZATION, -EIO, + "STATUS_INVALID_IDN_NORMALIZATION"}, + {STATUS_NO_UNICODE_TRANSLATION, -EIO, "STATUS_NO_UNICODE_TRANSLATION"}, + {STATUS_ALREADY_REGISTERED, -EIO, "STATUS_ALREADY_REGISTERED"}, + {STATUS_CONTEXT_MISMATCH, -EIO, "STATUS_CONTEXT_MISMATCH"}, + {STATUS_PORT_ALREADY_HAS_COMPLETION_LIST, -EIO, + "STATUS_PORT_ALREADY_HAS_COMPLETION_LIST"}, + {STATUS_CALLBACK_RETURNED_THREAD_PRIORITY, -EIO, + "STATUS_CALLBACK_RETURNED_THREAD_PRIORITY"}, + {STATUS_INVALID_THREAD, -EIO, "STATUS_INVALID_THREAD"}, + {STATUS_CALLBACK_RETURNED_TRANSACTION, -EIO, + "STATUS_CALLBACK_RETURNED_TRANSACTION"}, + {STATUS_CALLBACK_RETURNED_LDR_LOCK, -EIO, + "STATUS_CALLBACK_RETURNED_LDR_LOCK"}, + {STATUS_CALLBACK_RETURNED_LANG, -EIO, "STATUS_CALLBACK_RETURNED_LANG"}, + {STATUS_CALLBACK_RETURNED_PRI_BACK, -EIO, + "STATUS_CALLBACK_RETURNED_PRI_BACK"}, + {STATUS_CALLBACK_RETURNED_THREAD_AFFINITY, -EIO, + "STATUS_CALLBACK_RETURNED_THREAD_AFFINITY"}, + {STATUS_DISK_REPAIR_DISABLED, -EIO, "STATUS_DISK_REPAIR_DISABLED"}, + {STATUS_DS_DOMAIN_RENAME_IN_PROGRESS, -EIO, + "STATUS_DS_DOMAIN_RENAME_IN_PROGRESS"}, + {STATUS_DISK_QUOTA_EXCEEDED, -EDQUOT, "STATUS_DISK_QUOTA_EXCEEDED"}, + {STATUS_CONTENT_BLOCKED, -EIO, "STATUS_CONTENT_BLOCKED"}, + {STATUS_BAD_CLUSTERS, -EIO, "STATUS_BAD_CLUSTERS"}, + {STATUS_VOLUME_DIRTY, -EIO, "STATUS_VOLUME_DIRTY"}, + {STATUS_FILE_CHECKED_OUT, -EIO, "STATUS_FILE_CHECKED_OUT"}, + {STATUS_CHECKOUT_REQUIRED, -EIO, "STATUS_CHECKOUT_REQUIRED"}, + {STATUS_BAD_FILE_TYPE, -EIO, "STATUS_BAD_FILE_TYPE"}, + {STATUS_FILE_TOO_LARGE, -EIO, "STATUS_FILE_TOO_LARGE"}, + {STATUS_FORMS_AUTH_REQUIRED, -EIO, "STATUS_FORMS_AUTH_REQUIRED"}, + {STATUS_VIRUS_INFECTED, -EIO, "STATUS_VIRUS_INFECTED"}, + {STATUS_VIRUS_DELETED, -EIO, "STATUS_VIRUS_DELETED"}, + {STATUS_BAD_MCFG_TABLE, -EIO, "STATUS_BAD_MCFG_TABLE"}, + {STATUS_WOW_ASSERTION, -EIO, "STATUS_WOW_ASSERTION"}, + {STATUS_INVALID_SIGNATURE, -EIO, "STATUS_INVALID_SIGNATURE"}, + {STATUS_HMAC_NOT_SUPPORTED, -EIO, "STATUS_HMAC_NOT_SUPPORTED"}, + {STATUS_IPSEC_QUEUE_OVERFLOW, -EIO, "STATUS_IPSEC_QUEUE_OVERFLOW"}, + {STATUS_ND_QUEUE_OVERFLOW, -EIO, "STATUS_ND_QUEUE_OVERFLOW"}, + {STATUS_HOPLIMIT_EXCEEDED, -EIO, "STATUS_HOPLIMIT_EXCEEDED"}, + {STATUS_PROTOCOL_NOT_SUPPORTED, -EOPNOTSUPP, + "STATUS_PROTOCOL_NOT_SUPPORTED"}, + {STATUS_LOST_WRITEBEHIND_DATA_NETWORK_DISCONNECTED, -EIO, + "STATUS_LOST_WRITEBEHIND_DATA_NETWORK_DISCONNECTED"}, + {STATUS_LOST_WRITEBEHIND_DATA_NETWORK_SERVER_ERROR, -EIO, + "STATUS_LOST_WRITEBEHIND_DATA_NETWORK_SERVER_ERROR"}, + {STATUS_LOST_WRITEBEHIND_DATA_LOCAL_DISK_ERROR, -EIO, + "STATUS_LOST_WRITEBEHIND_DATA_LOCAL_DISK_ERROR"}, + {STATUS_XML_PARSE_ERROR, -EIO, "STATUS_XML_PARSE_ERROR"}, + {STATUS_XMLDSIG_ERROR, -EIO, "STATUS_XMLDSIG_ERROR"}, + {STATUS_WRONG_COMPARTMENT, -EIO, "STATUS_WRONG_COMPARTMENT"}, + {STATUS_AUTHIP_FAILURE, -EIO, "STATUS_AUTHIP_FAILURE"}, + {DBG_NO_STATE_CHANGE, -EIO, "DBG_NO_STATE_CHANGE"}, + {DBG_APP_NOT_IDLE, -EIO, "DBG_APP_NOT_IDLE"}, + {RPC_NT_INVALID_STRING_BINDING, -EIO, "RPC_NT_INVALID_STRING_BINDING"}, + {RPC_NT_WRONG_KIND_OF_BINDING, -EIO, "RPC_NT_WRONG_KIND_OF_BINDING"}, + {RPC_NT_INVALID_BINDING, -EIO, "RPC_NT_INVALID_BINDING"}, + {RPC_NT_PROTSEQ_NOT_SUPPORTED, -EOPNOTSUPP, + "RPC_NT_PROTSEQ_NOT_SUPPORTED"}, + {RPC_NT_INVALID_RPC_PROTSEQ, -EIO, "RPC_NT_INVALID_RPC_PROTSEQ"}, + {RPC_NT_INVALID_STRING_UUID, -EIO, "RPC_NT_INVALID_STRING_UUID"}, + {RPC_NT_INVALID_ENDPOINT_FORMAT, -EIO, + "RPC_NT_INVALID_ENDPOINT_FORMAT"}, + {RPC_NT_INVALID_NET_ADDR, -EIO, "RPC_NT_INVALID_NET_ADDR"}, + {RPC_NT_NO_ENDPOINT_FOUND, -EIO, "RPC_NT_NO_ENDPOINT_FOUND"}, + {RPC_NT_INVALID_TIMEOUT, -EINVAL, "RPC_NT_INVALID_TIMEOUT"}, + {RPC_NT_OBJECT_NOT_FOUND, -ENOENT, "RPC_NT_OBJECT_NOT_FOUND"}, + {RPC_NT_ALREADY_REGISTERED, -EIO, "RPC_NT_ALREADY_REGISTERED"}, + {RPC_NT_TYPE_ALREADY_REGISTERED, -EIO, + "RPC_NT_TYPE_ALREADY_REGISTERED"}, + {RPC_NT_ALREADY_LISTENING, -EIO, "RPC_NT_ALREADY_LISTENING"}, + {RPC_NT_NO_PROTSEQS_REGISTERED, -EIO, "RPC_NT_NO_PROTSEQS_REGISTERED"}, + {RPC_NT_NOT_LISTENING, -EIO, "RPC_NT_NOT_LISTENING"}, + {RPC_NT_UNKNOWN_MGR_TYPE, -EIO, "RPC_NT_UNKNOWN_MGR_TYPE"}, + {RPC_NT_UNKNOWN_IF, -EIO, "RPC_NT_UNKNOWN_IF"}, + {RPC_NT_NO_BINDINGS, -EIO, "RPC_NT_NO_BINDINGS"}, + {RPC_NT_NO_PROTSEQS, -EIO, "RPC_NT_NO_PROTSEQS"}, + {RPC_NT_CANT_CREATE_ENDPOINT, -EIO, "RPC_NT_CANT_CREATE_ENDPOINT"}, + {RPC_NT_OUT_OF_RESOURCES, -EIO, "RPC_NT_OUT_OF_RESOURCES"}, + {RPC_NT_SERVER_UNAVAILABLE, -EIO, "RPC_NT_SERVER_UNAVAILABLE"}, + {RPC_NT_SERVER_TOO_BUSY, -EBUSY, "RPC_NT_SERVER_TOO_BUSY"}, + {RPC_NT_INVALID_NETWORK_OPTIONS, -EIO, + "RPC_NT_INVALID_NETWORK_OPTIONS"}, + {RPC_NT_NO_CALL_ACTIVE, -EIO, "RPC_NT_NO_CALL_ACTIVE"}, + {RPC_NT_CALL_FAILED, -EIO, "RPC_NT_CALL_FAILED"}, + {RPC_NT_CALL_FAILED_DNE, -EIO, "RPC_NT_CALL_FAILED_DNE"}, + {RPC_NT_PROTOCOL_ERROR, -EIO, "RPC_NT_PROTOCOL_ERROR"}, + {RPC_NT_UNSUPPORTED_TRANS_SYN, -EIO, "RPC_NT_UNSUPPORTED_TRANS_SYN"}, + {RPC_NT_UNSUPPORTED_TYPE, -EIO, "RPC_NT_UNSUPPORTED_TYPE"}, + {RPC_NT_INVALID_TAG, -EIO, "RPC_NT_INVALID_TAG"}, + {RPC_NT_INVALID_BOUND, -EIO, "RPC_NT_INVALID_BOUND"}, + {RPC_NT_NO_ENTRY_NAME, -EIO, "RPC_NT_NO_ENTRY_NAME"}, + {RPC_NT_INVALID_NAME_SYNTAX, -EIO, "RPC_NT_INVALID_NAME_SYNTAX"}, + {RPC_NT_UNSUPPORTED_NAME_SYNTAX, -EIO, + "RPC_NT_UNSUPPORTED_NAME_SYNTAX"}, + {RPC_NT_UUID_NO_ADDRESS, -EIO, "RPC_NT_UUID_NO_ADDRESS"}, + {RPC_NT_DUPLICATE_ENDPOINT, -ENOTUNIQ, "RPC_NT_DUPLICATE_ENDPOINT"}, + {RPC_NT_UNKNOWN_AUTHN_TYPE, -EIO, "RPC_NT_UNKNOWN_AUTHN_TYPE"}, + {RPC_NT_MAX_CALLS_TOO_SMALL, -EIO, "RPC_NT_MAX_CALLS_TOO_SMALL"}, + {RPC_NT_STRING_TOO_LONG, -EIO, "RPC_NT_STRING_TOO_LONG"}, + {RPC_NT_PROTSEQ_NOT_FOUND, -EIO, "RPC_NT_PROTSEQ_NOT_FOUND"}, + {RPC_NT_PROCNUM_OUT_OF_RANGE, -EIO, "RPC_NT_PROCNUM_OUT_OF_RANGE"}, + {RPC_NT_BINDING_HAS_NO_AUTH, -EIO, "RPC_NT_BINDING_HAS_NO_AUTH"}, + {RPC_NT_UNKNOWN_AUTHN_SERVICE, -EIO, "RPC_NT_UNKNOWN_AUTHN_SERVICE"}, + {RPC_NT_UNKNOWN_AUTHN_LEVEL, -EIO, "RPC_NT_UNKNOWN_AUTHN_LEVEL"}, + {RPC_NT_INVALID_AUTH_IDENTITY, -EIO, "RPC_NT_INVALID_AUTH_IDENTITY"}, + {RPC_NT_UNKNOWN_AUTHZ_SERVICE, -EIO, "RPC_NT_UNKNOWN_AUTHZ_SERVICE"}, + {EPT_NT_INVALID_ENTRY, -EIO, "EPT_NT_INVALID_ENTRY"}, + {EPT_NT_CANT_PERFORM_OP, -EIO, "EPT_NT_CANT_PERFORM_OP"}, + {EPT_NT_NOT_REGISTERED, -EIO, "EPT_NT_NOT_REGISTERED"}, + {RPC_NT_NOTHING_TO_EXPORT, -EIO, "RPC_NT_NOTHING_TO_EXPORT"}, + {RPC_NT_INCOMPLETE_NAME, -EIO, "RPC_NT_INCOMPLETE_NAME"}, + {RPC_NT_INVALID_VERS_OPTION, -EIO, "RPC_NT_INVALID_VERS_OPTION"}, + {RPC_NT_NO_MORE_MEMBERS, -EIO, "RPC_NT_NO_MORE_MEMBERS"}, + {RPC_NT_NOT_ALL_OBJS_UNEXPORTED, -EIO, + "RPC_NT_NOT_ALL_OBJS_UNEXPORTED"}, + {RPC_NT_INTERFACE_NOT_FOUND, -EIO, "RPC_NT_INTERFACE_NOT_FOUND"}, + {RPC_NT_ENTRY_ALREADY_EXISTS, -EIO, "RPC_NT_ENTRY_ALREADY_EXISTS"}, + {RPC_NT_ENTRY_NOT_FOUND, -EIO, "RPC_NT_ENTRY_NOT_FOUND"}, + {RPC_NT_NAME_SERVICE_UNAVAILABLE, -EIO, + "RPC_NT_NAME_SERVICE_UNAVAILABLE"}, + {RPC_NT_INVALID_NAF_ID, -EIO, "RPC_NT_INVALID_NAF_ID"}, + {RPC_NT_CANNOT_SUPPORT, -EOPNOTSUPP, "RPC_NT_CANNOT_SUPPORT"}, + {RPC_NT_NO_CONTEXT_AVAILABLE, -EIO, "RPC_NT_NO_CONTEXT_AVAILABLE"}, + {RPC_NT_INTERNAL_ERROR, -EIO, "RPC_NT_INTERNAL_ERROR"}, + {RPC_NT_ZERO_DIVIDE, -EIO, "RPC_NT_ZERO_DIVIDE"}, + {RPC_NT_ADDRESS_ERROR, -EIO, "RPC_NT_ADDRESS_ERROR"}, + {RPC_NT_FP_DIV_ZERO, -EIO, "RPC_NT_FP_DIV_ZERO"}, + {RPC_NT_FP_UNDERFLOW, -EIO, "RPC_NT_FP_UNDERFLOW"}, + {RPC_NT_FP_OVERFLOW, -EIO, "RPC_NT_FP_OVERFLOW"}, + {RPC_NT_CALL_IN_PROGRESS, -EIO, "RPC_NT_CALL_IN_PROGRESS"}, + {RPC_NT_NO_MORE_BINDINGS, -EIO, "RPC_NT_NO_MORE_BINDINGS"}, + {RPC_NT_GROUP_MEMBER_NOT_FOUND, -EIO, "RPC_NT_GROUP_MEMBER_NOT_FOUND"}, + {EPT_NT_CANT_CREATE, -EIO, "EPT_NT_CANT_CREATE"}, + {RPC_NT_INVALID_OBJECT, -EIO, "RPC_NT_INVALID_OBJECT"}, + {RPC_NT_NO_INTERFACES, -EIO, "RPC_NT_NO_INTERFACES"}, + {RPC_NT_CALL_CANCELLED, -EIO, "RPC_NT_CALL_CANCELLED"}, + {RPC_NT_BINDING_INCOMPLETE, -EIO, "RPC_NT_BINDING_INCOMPLETE"}, + {RPC_NT_COMM_FAILURE, -EIO, "RPC_NT_COMM_FAILURE"}, + {RPC_NT_UNSUPPORTED_AUTHN_LEVEL, -EIO, + "RPC_NT_UNSUPPORTED_AUTHN_LEVEL"}, + {RPC_NT_NO_PRINC_NAME, -EIO, "RPC_NT_NO_PRINC_NAME"}, + {RPC_NT_NOT_RPC_ERROR, -EIO, "RPC_NT_NOT_RPC_ERROR"}, + {RPC_NT_SEC_PKG_ERROR, -EIO, "RPC_NT_SEC_PKG_ERROR"}, + {RPC_NT_NOT_CANCELLED, -EIO, "RPC_NT_NOT_CANCELLED"}, + {RPC_NT_INVALID_ASYNC_HANDLE, -EIO, "RPC_NT_INVALID_ASYNC_HANDLE"}, + {RPC_NT_INVALID_ASYNC_CALL, -EIO, "RPC_NT_INVALID_ASYNC_CALL"}, + {RPC_NT_PROXY_ACCESS_DENIED, -EACCES, "RPC_NT_PROXY_ACCESS_DENIED"}, + {RPC_NT_NO_MORE_ENTRIES, -EIO, "RPC_NT_NO_MORE_ENTRIES"}, + {RPC_NT_SS_CHAR_TRANS_OPEN_FAIL, -EIO, + "RPC_NT_SS_CHAR_TRANS_OPEN_FAIL"}, + {RPC_NT_SS_CHAR_TRANS_SHORT_FILE, -EIO, + "RPC_NT_SS_CHAR_TRANS_SHORT_FILE"}, + {RPC_NT_SS_IN_NULL_CONTEXT, -EIO, "RPC_NT_SS_IN_NULL_CONTEXT"}, + {RPC_NT_SS_CONTEXT_MISMATCH, -EIO, "RPC_NT_SS_CONTEXT_MISMATCH"}, + {RPC_NT_SS_CONTEXT_DAMAGED, -EIO, "RPC_NT_SS_CONTEXT_DAMAGED"}, + {RPC_NT_SS_HANDLES_MISMATCH, -EIO, "RPC_NT_SS_HANDLES_MISMATCH"}, + {RPC_NT_SS_CANNOT_GET_CALL_HANDLE, -EIO, + "RPC_NT_SS_CANNOT_GET_CALL_HANDLE"}, + {RPC_NT_NULL_REF_POINTER, -EIO, "RPC_NT_NULL_REF_POINTER"}, + {RPC_NT_ENUM_VALUE_OUT_OF_RANGE, -EIO, + "RPC_NT_ENUM_VALUE_OUT_OF_RANGE"}, + {RPC_NT_BYTE_COUNT_TOO_SMALL, -EIO, "RPC_NT_BYTE_COUNT_TOO_SMALL"}, + {RPC_NT_BAD_STUB_DATA, -EIO, "RPC_NT_BAD_STUB_DATA"}, + {RPC_NT_INVALID_ES_ACTION, -EIO, "RPC_NT_INVALID_ES_ACTION"}, + {RPC_NT_WRONG_ES_VERSION, -EIO, "RPC_NT_WRONG_ES_VERSION"}, + {RPC_NT_WRONG_STUB_VERSION, -EIO, "RPC_NT_WRONG_STUB_VERSION"}, + {RPC_NT_INVALID_PIPE_OBJECT, -EIO, "RPC_NT_INVALID_PIPE_OBJECT"}, + {RPC_NT_INVALID_PIPE_OPERATION, -EIO, "RPC_NT_INVALID_PIPE_OPERATION"}, + {RPC_NT_WRONG_PIPE_VERSION, -EIO, "RPC_NT_WRONG_PIPE_VERSION"}, + {RPC_NT_PIPE_CLOSED, -EIO, "RPC_NT_PIPE_CLOSED"}, + {RPC_NT_PIPE_DISCIPLINE_ERROR, -EIO, "RPC_NT_PIPE_DISCIPLINE_ERROR"}, + {RPC_NT_PIPE_EMPTY, -EIO, "RPC_NT_PIPE_EMPTY"}, + {STATUS_PNP_BAD_MPS_TABLE, -EIO, "STATUS_PNP_BAD_MPS_TABLE"}, + {STATUS_PNP_TRANSLATION_FAILED, -EIO, "STATUS_PNP_TRANSLATION_FAILED"}, + {STATUS_PNP_IRQ_TRANSLATION_FAILED, -EIO, + "STATUS_PNP_IRQ_TRANSLATION_FAILED"}, + {STATUS_PNP_INVALID_ID, -EIO, "STATUS_PNP_INVALID_ID"}, + {STATUS_IO_REISSUE_AS_CACHED, -EIO, "STATUS_IO_REISSUE_AS_CACHED"}, + {STATUS_CTX_WINSTATION_NAME_INVALID, -EIO, + "STATUS_CTX_WINSTATION_NAME_INVALID"}, + {STATUS_CTX_INVALID_PD, -EIO, "STATUS_CTX_INVALID_PD"}, + {STATUS_CTX_PD_NOT_FOUND, -EIO, "STATUS_CTX_PD_NOT_FOUND"}, + {STATUS_CTX_CLOSE_PENDING, -EIO, "STATUS_CTX_CLOSE_PENDING"}, + {STATUS_CTX_NO_OUTBUF, -EIO, "STATUS_CTX_NO_OUTBUF"}, + {STATUS_CTX_MODEM_INF_NOT_FOUND, -EIO, + "STATUS_CTX_MODEM_INF_NOT_FOUND"}, + {STATUS_CTX_INVALID_MODEMNAME, -EIO, "STATUS_CTX_INVALID_MODEMNAME"}, + {STATUS_CTX_RESPONSE_ERROR, -EIO, "STATUS_CTX_RESPONSE_ERROR"}, + {STATUS_CTX_MODEM_RESPONSE_TIMEOUT, -ETIMEDOUT, + "STATUS_CTX_MODEM_RESPONSE_TIMEOUT"}, + {STATUS_CTX_MODEM_RESPONSE_NO_CARRIER, -EIO, + "STATUS_CTX_MODEM_RESPONSE_NO_CARRIER"}, + {STATUS_CTX_MODEM_RESPONSE_NO_DIALTONE, -EIO, + "STATUS_CTX_MODEM_RESPONSE_NO_DIALTONE"}, + {STATUS_CTX_MODEM_RESPONSE_BUSY, -EBUSY, + "STATUS_CTX_MODEM_RESPONSE_BUSY"}, + {STATUS_CTX_MODEM_RESPONSE_VOICE, -EIO, + "STATUS_CTX_MODEM_RESPONSE_VOICE"}, + {STATUS_CTX_TD_ERROR, -EIO, "STATUS_CTX_TD_ERROR"}, + {STATUS_CTX_LICENSE_CLIENT_INVALID, -EIO, + "STATUS_CTX_LICENSE_CLIENT_INVALID"}, + {STATUS_CTX_LICENSE_NOT_AVAILABLE, -EIO, + "STATUS_CTX_LICENSE_NOT_AVAILABLE"}, + {STATUS_CTX_LICENSE_EXPIRED, -EIO, "STATUS_CTX_LICENSE_EXPIRED"}, + {STATUS_CTX_WINSTATION_NOT_FOUND, -EIO, + "STATUS_CTX_WINSTATION_NOT_FOUND"}, + {STATUS_CTX_WINSTATION_NAME_COLLISION, -EIO, + "STATUS_CTX_WINSTATION_NAME_COLLISION"}, + {STATUS_CTX_WINSTATION_BUSY, -EBUSY, "STATUS_CTX_WINSTATION_BUSY"}, + {STATUS_CTX_BAD_VIDEO_MODE, -EIO, "STATUS_CTX_BAD_VIDEO_MODE"}, + {STATUS_CTX_GRAPHICS_INVALID, -EIO, "STATUS_CTX_GRAPHICS_INVALID"}, + {STATUS_CTX_NOT_CONSOLE, -EIO, "STATUS_CTX_NOT_CONSOLE"}, + {STATUS_CTX_CLIENT_QUERY_TIMEOUT, -EIO, + "STATUS_CTX_CLIENT_QUERY_TIMEOUT"}, + {STATUS_CTX_CONSOLE_DISCONNECT, -EIO, "STATUS_CTX_CONSOLE_DISCONNECT"}, + {STATUS_CTX_CONSOLE_CONNECT, -EIO, "STATUS_CTX_CONSOLE_CONNECT"}, + {STATUS_CTX_SHADOW_DENIED, -EIO, "STATUS_CTX_SHADOW_DENIED"}, + {STATUS_CTX_WINSTATION_ACCESS_DENIED, -EACCES, + "STATUS_CTX_WINSTATION_ACCESS_DENIED"}, + {STATUS_CTX_INVALID_WD, -EIO, "STATUS_CTX_INVALID_WD"}, + {STATUS_CTX_WD_NOT_FOUND, -EIO, "STATUS_CTX_WD_NOT_FOUND"}, + {STATUS_CTX_SHADOW_INVALID, -EIO, "STATUS_CTX_SHADOW_INVALID"}, + {STATUS_CTX_SHADOW_DISABLED, -EIO, "STATUS_CTX_SHADOW_DISABLED"}, + {STATUS_RDP_PROTOCOL_ERROR, -EIO, "STATUS_RDP_PROTOCOL_ERROR"}, + {STATUS_CTX_CLIENT_LICENSE_NOT_SET, -EIO, + "STATUS_CTX_CLIENT_LICENSE_NOT_SET"}, + {STATUS_CTX_CLIENT_LICENSE_IN_USE, -EIO, + "STATUS_CTX_CLIENT_LICENSE_IN_USE"}, + {STATUS_CTX_SHADOW_ENDED_BY_MODE_CHANGE, -EIO, + "STATUS_CTX_SHADOW_ENDED_BY_MODE_CHANGE"}, + {STATUS_CTX_SHADOW_NOT_RUNNING, -EIO, "STATUS_CTX_SHADOW_NOT_RUNNING"}, + {STATUS_CTX_LOGON_DISABLED, -EIO, "STATUS_CTX_LOGON_DISABLED"}, + {STATUS_CTX_SECURITY_LAYER_ERROR, -EIO, + "STATUS_CTX_SECURITY_LAYER_ERROR"}, + {STATUS_TS_INCOMPATIBLE_SESSIONS, -EIO, + "STATUS_TS_INCOMPATIBLE_SESSIONS"}, + {STATUS_MUI_FILE_NOT_FOUND, -EIO, "STATUS_MUI_FILE_NOT_FOUND"}, + {STATUS_MUI_INVALID_FILE, -EIO, "STATUS_MUI_INVALID_FILE"}, + {STATUS_MUI_INVALID_RC_CONFIG, -EIO, "STATUS_MUI_INVALID_RC_CONFIG"}, + {STATUS_MUI_INVALID_LOCALE_NAME, -EIO, + "STATUS_MUI_INVALID_LOCALE_NAME"}, + {STATUS_MUI_INVALID_ULTIMATEFALLBACK_NAME, -EIO, + "STATUS_MUI_INVALID_ULTIMATEFALLBACK_NAME"}, + {STATUS_MUI_FILE_NOT_LOADED, -EIO, "STATUS_MUI_FILE_NOT_LOADED"}, + {STATUS_RESOURCE_ENUM_USER_STOP, -EIO, + "STATUS_RESOURCE_ENUM_USER_STOP"}, + {STATUS_CLUSTER_INVALID_NODE, -EIO, "STATUS_CLUSTER_INVALID_NODE"}, + {STATUS_CLUSTER_NODE_EXISTS, -EIO, "STATUS_CLUSTER_NODE_EXISTS"}, + {STATUS_CLUSTER_JOIN_IN_PROGRESS, -EIO, + "STATUS_CLUSTER_JOIN_IN_PROGRESS"}, + {STATUS_CLUSTER_NODE_NOT_FOUND, -EIO, "STATUS_CLUSTER_NODE_NOT_FOUND"}, + {STATUS_CLUSTER_LOCAL_NODE_NOT_FOUND, -EIO, + "STATUS_CLUSTER_LOCAL_NODE_NOT_FOUND"}, + {STATUS_CLUSTER_NETWORK_EXISTS, -EIO, "STATUS_CLUSTER_NETWORK_EXISTS"}, + {STATUS_CLUSTER_NETWORK_NOT_FOUND, -EIO, + "STATUS_CLUSTER_NETWORK_NOT_FOUND"}, + {STATUS_CLUSTER_NETINTERFACE_EXISTS, -EIO, + "STATUS_CLUSTER_NETINTERFACE_EXISTS"}, + {STATUS_CLUSTER_NETINTERFACE_NOT_FOUND, -EIO, + "STATUS_CLUSTER_NETINTERFACE_NOT_FOUND"}, + {STATUS_CLUSTER_INVALID_REQUEST, -EIO, + "STATUS_CLUSTER_INVALID_REQUEST"}, + {STATUS_CLUSTER_INVALID_NETWORK_PROVIDER, -EIO, + "STATUS_CLUSTER_INVALID_NETWORK_PROVIDER"}, + {STATUS_CLUSTER_NODE_DOWN, -EIO, "STATUS_CLUSTER_NODE_DOWN"}, + {STATUS_CLUSTER_NODE_UNREACHABLE, -EIO, + "STATUS_CLUSTER_NODE_UNREACHABLE"}, + {STATUS_CLUSTER_NODE_NOT_MEMBER, -EIO, + "STATUS_CLUSTER_NODE_NOT_MEMBER"}, + {STATUS_CLUSTER_JOIN_NOT_IN_PROGRESS, -EIO, + "STATUS_CLUSTER_JOIN_NOT_IN_PROGRESS"}, + {STATUS_CLUSTER_INVALID_NETWORK, -EIO, + "STATUS_CLUSTER_INVALID_NETWORK"}, + {STATUS_CLUSTER_NO_NET_ADAPTERS, -EIO, + "STATUS_CLUSTER_NO_NET_ADAPTERS"}, + {STATUS_CLUSTER_NODE_UP, -EIO, "STATUS_CLUSTER_NODE_UP"}, + {STATUS_CLUSTER_NODE_PAUSED, -EIO, "STATUS_CLUSTER_NODE_PAUSED"}, + {STATUS_CLUSTER_NODE_NOT_PAUSED, -EIO, + "STATUS_CLUSTER_NODE_NOT_PAUSED"}, + {STATUS_CLUSTER_NO_SECURITY_CONTEXT, -EIO, + "STATUS_CLUSTER_NO_SECURITY_CONTEXT"}, + {STATUS_CLUSTER_NETWORK_NOT_INTERNAL, -EIO, + "STATUS_CLUSTER_NETWORK_NOT_INTERNAL"}, + {STATUS_CLUSTER_POISONED, -EIO, "STATUS_CLUSTER_POISONED"}, + {STATUS_ACPI_INVALID_OPCODE, -EIO, "STATUS_ACPI_INVALID_OPCODE"}, + {STATUS_ACPI_STACK_OVERFLOW, -EIO, "STATUS_ACPI_STACK_OVERFLOW"}, + {STATUS_ACPI_ASSERT_FAILED, -EIO, "STATUS_ACPI_ASSERT_FAILED"}, + {STATUS_ACPI_INVALID_INDEX, -EIO, "STATUS_ACPI_INVALID_INDEX"}, + {STATUS_ACPI_INVALID_ARGUMENT, -EIO, "STATUS_ACPI_INVALID_ARGUMENT"}, + {STATUS_ACPI_FATAL, -EIO, "STATUS_ACPI_FATAL"}, + {STATUS_ACPI_INVALID_SUPERNAME, -EIO, "STATUS_ACPI_INVALID_SUPERNAME"}, + {STATUS_ACPI_INVALID_ARGTYPE, -EIO, "STATUS_ACPI_INVALID_ARGTYPE"}, + {STATUS_ACPI_INVALID_OBJTYPE, -EIO, "STATUS_ACPI_INVALID_OBJTYPE"}, + {STATUS_ACPI_INVALID_TARGETTYPE, -EIO, + "STATUS_ACPI_INVALID_TARGETTYPE"}, + {STATUS_ACPI_INCORRECT_ARGUMENT_COUNT, -EIO, + "STATUS_ACPI_INCORRECT_ARGUMENT_COUNT"}, + {STATUS_ACPI_ADDRESS_NOT_MAPPED, -EIO, + "STATUS_ACPI_ADDRESS_NOT_MAPPED"}, + {STATUS_ACPI_INVALID_EVENTTYPE, -EIO, "STATUS_ACPI_INVALID_EVENTTYPE"}, + {STATUS_ACPI_HANDLER_COLLISION, -EIO, "STATUS_ACPI_HANDLER_COLLISION"}, + {STATUS_ACPI_INVALID_DATA, -EIO, "STATUS_ACPI_INVALID_DATA"}, + {STATUS_ACPI_INVALID_REGION, -EIO, "STATUS_ACPI_INVALID_REGION"}, + {STATUS_ACPI_INVALID_ACCESS_SIZE, -EIO, + "STATUS_ACPI_INVALID_ACCESS_SIZE"}, + {STATUS_ACPI_ACQUIRE_GLOBAL_LOCK, -EIO, + "STATUS_ACPI_ACQUIRE_GLOBAL_LOCK"}, + {STATUS_ACPI_ALREADY_INITIALIZED, -EIO, + "STATUS_ACPI_ALREADY_INITIALIZED"}, + {STATUS_ACPI_NOT_INITIALIZED, -EIO, "STATUS_ACPI_NOT_INITIALIZED"}, + {STATUS_ACPI_INVALID_MUTEX_LEVEL, -EIO, + "STATUS_ACPI_INVALID_MUTEX_LEVEL"}, + {STATUS_ACPI_MUTEX_NOT_OWNED, -EIO, "STATUS_ACPI_MUTEX_NOT_OWNED"}, + {STATUS_ACPI_MUTEX_NOT_OWNER, -EIO, "STATUS_ACPI_MUTEX_NOT_OWNER"}, + {STATUS_ACPI_RS_ACCESS, -EIO, "STATUS_ACPI_RS_ACCESS"}, + {STATUS_ACPI_INVALID_TABLE, -EIO, "STATUS_ACPI_INVALID_TABLE"}, + {STATUS_ACPI_REG_HANDLER_FAILED, -EIO, + "STATUS_ACPI_REG_HANDLER_FAILED"}, + {STATUS_ACPI_POWER_REQUEST_FAILED, -EIO, + "STATUS_ACPI_POWER_REQUEST_FAILED"}, + {STATUS_SXS_SECTION_NOT_FOUND, -EIO, "STATUS_SXS_SECTION_NOT_FOUND"}, + {STATUS_SXS_CANT_GEN_ACTCTX, -EIO, "STATUS_SXS_CANT_GEN_ACTCTX"}, + {STATUS_SXS_INVALID_ACTCTXDATA_FORMAT, -EIO, + "STATUS_SXS_INVALID_ACTCTXDATA_FORMAT"}, + {STATUS_SXS_ASSEMBLY_NOT_FOUND, -EIO, "STATUS_SXS_ASSEMBLY_NOT_FOUND"}, + {STATUS_SXS_MANIFEST_FORMAT_ERROR, -EIO, + "STATUS_SXS_MANIFEST_FORMAT_ERROR"}, + {STATUS_SXS_MANIFEST_PARSE_ERROR, -EIO, + "STATUS_SXS_MANIFEST_PARSE_ERROR"}, + {STATUS_SXS_ACTIVATION_CONTEXT_DISABLED, -EIO, + "STATUS_SXS_ACTIVATION_CONTEXT_DISABLED"}, + {STATUS_SXS_KEY_NOT_FOUND, -EIO, "STATUS_SXS_KEY_NOT_FOUND"}, + {STATUS_SXS_VERSION_CONFLICT, -EIO, "STATUS_SXS_VERSION_CONFLICT"}, + {STATUS_SXS_WRONG_SECTION_TYPE, -EIO, "STATUS_SXS_WRONG_SECTION_TYPE"}, + {STATUS_SXS_THREAD_QUERIES_DISABLED, -EIO, + "STATUS_SXS_THREAD_QUERIES_DISABLED"}, + {STATUS_SXS_ASSEMBLY_MISSING, -EIO, "STATUS_SXS_ASSEMBLY_MISSING"}, + {STATUS_SXS_PROCESS_DEFAULT_ALREADY_SET, -EIO, + "STATUS_SXS_PROCESS_DEFAULT_ALREADY_SET"}, + {STATUS_SXS_EARLY_DEACTIVATION, -EIO, "STATUS_SXS_EARLY_DEACTIVATION"}, + {STATUS_SXS_INVALID_DEACTIVATION, -EIO, + "STATUS_SXS_INVALID_DEACTIVATION"}, + {STATUS_SXS_MULTIPLE_DEACTIVATION, -EIO, + "STATUS_SXS_MULTIPLE_DEACTIVATION"}, + {STATUS_SXS_SYSTEM_DEFAULT_ACTIVATION_CONTEXT_EMPTY, -EIO, + "STATUS_SXS_SYSTEM_DEFAULT_ACTIVATION_CONTEXT_EMPTY"}, + {STATUS_SXS_PROCESS_TERMINATION_REQUESTED, -EIO, + "STATUS_SXS_PROCESS_TERMINATION_REQUESTED"}, + {STATUS_SXS_CORRUPT_ACTIVATION_STACK, -EIO, + "STATUS_SXS_CORRUPT_ACTIVATION_STACK"}, + {STATUS_SXS_CORRUPTION, -EIO, "STATUS_SXS_CORRUPTION"}, + {STATUS_SXS_INVALID_IDENTITY_ATTRIBUTE_VALUE, -EIO, + "STATUS_SXS_INVALID_IDENTITY_ATTRIBUTE_VALUE"}, + {STATUS_SXS_INVALID_IDENTITY_ATTRIBUTE_NAME, -EIO, + "STATUS_SXS_INVALID_IDENTITY_ATTRIBUTE_NAME"}, + {STATUS_SXS_IDENTITY_DUPLICATE_ATTRIBUTE, -EIO, + "STATUS_SXS_IDENTITY_DUPLICATE_ATTRIBUTE"}, + {STATUS_SXS_IDENTITY_PARSE_ERROR, -EIO, + "STATUS_SXS_IDENTITY_PARSE_ERROR"}, + {STATUS_SXS_COMPONENT_STORE_CORRUPT, -EIO, + "STATUS_SXS_COMPONENT_STORE_CORRUPT"}, + {STATUS_SXS_FILE_HASH_MISMATCH, -EIO, "STATUS_SXS_FILE_HASH_MISMATCH"}, + {STATUS_SXS_MANIFEST_IDENTITY_SAME_BUT_CONTENTS_DIFFERENT, -EIO, + "STATUS_SXS_MANIFEST_IDENTITY_SAME_BUT_CONTENTS_DIFFERENT"}, + {STATUS_SXS_IDENTITIES_DIFFERENT, -EIO, + "STATUS_SXS_IDENTITIES_DIFFERENT"}, + {STATUS_SXS_ASSEMBLY_IS_NOT_A_DEPLOYMENT, -EIO, + "STATUS_SXS_ASSEMBLY_IS_NOT_A_DEPLOYMENT"}, + {STATUS_SXS_FILE_NOT_PART_OF_ASSEMBLY, -EIO, + "STATUS_SXS_FILE_NOT_PART_OF_ASSEMBLY"}, + {STATUS_ADVANCED_INSTALLER_FAILED, -EIO, + "STATUS_ADVANCED_INSTALLER_FAILED"}, + {STATUS_XML_ENCODING_MISMATCH, -EIO, "STATUS_XML_ENCODING_MISMATCH"}, + {STATUS_SXS_MANIFEST_TOO_BIG, -EIO, "STATUS_SXS_MANIFEST_TOO_BIG"}, + {STATUS_SXS_SETTING_NOT_REGISTERED, -EIO, + "STATUS_SXS_SETTING_NOT_REGISTERED"}, + {STATUS_SXS_TRANSACTION_CLOSURE_INCOMPLETE, -EIO, + "STATUS_SXS_TRANSACTION_CLOSURE_INCOMPLETE"}, + {STATUS_SMI_PRIMITIVE_INSTALLER_FAILED, -EIO, + "STATUS_SMI_PRIMITIVE_INSTALLER_FAILED"}, + {STATUS_GENERIC_COMMAND_FAILED, -EIO, "STATUS_GENERIC_COMMAND_FAILED"}, + {STATUS_SXS_FILE_HASH_MISSING, -EIO, "STATUS_SXS_FILE_HASH_MISSING"}, + {STATUS_TRANSACTIONAL_CONFLICT, -EIO, "STATUS_TRANSACTIONAL_CONFLICT"}, + {STATUS_INVALID_TRANSACTION, -EIO, "STATUS_INVALID_TRANSACTION"}, + {STATUS_TRANSACTION_NOT_ACTIVE, -EIO, "STATUS_TRANSACTION_NOT_ACTIVE"}, + {STATUS_TM_INITIALIZATION_FAILED, -EIO, + "STATUS_TM_INITIALIZATION_FAILED"}, + {STATUS_RM_NOT_ACTIVE, -EIO, "STATUS_RM_NOT_ACTIVE"}, + {STATUS_RM_METADATA_CORRUPT, -EIO, "STATUS_RM_METADATA_CORRUPT"}, + {STATUS_TRANSACTION_NOT_JOINED, -EIO, "STATUS_TRANSACTION_NOT_JOINED"}, + {STATUS_DIRECTORY_NOT_RM, -EIO, "STATUS_DIRECTORY_NOT_RM"}, + {STATUS_TRANSACTIONS_UNSUPPORTED_REMOTE, -EIO, + "STATUS_TRANSACTIONS_UNSUPPORTED_REMOTE"}, + {STATUS_LOG_RESIZE_INVALID_SIZE, -EIO, + "STATUS_LOG_RESIZE_INVALID_SIZE"}, + {STATUS_REMOTE_FILE_VERSION_MISMATCH, -EIO, + "STATUS_REMOTE_FILE_VERSION_MISMATCH"}, + {STATUS_CRM_PROTOCOL_ALREADY_EXISTS, -EIO, + "STATUS_CRM_PROTOCOL_ALREADY_EXISTS"}, + {STATUS_TRANSACTION_PROPAGATION_FAILED, -EIO, + "STATUS_TRANSACTION_PROPAGATION_FAILED"}, + {STATUS_CRM_PROTOCOL_NOT_FOUND, -EIO, "STATUS_CRM_PROTOCOL_NOT_FOUND"}, + {STATUS_TRANSACTION_SUPERIOR_EXISTS, -EIO, + "STATUS_TRANSACTION_SUPERIOR_EXISTS"}, + {STATUS_TRANSACTION_REQUEST_NOT_VALID, -EIO, + "STATUS_TRANSACTION_REQUEST_NOT_VALID"}, + {STATUS_TRANSACTION_NOT_REQUESTED, -EIO, + "STATUS_TRANSACTION_NOT_REQUESTED"}, + {STATUS_TRANSACTION_ALREADY_ABORTED, -EIO, + "STATUS_TRANSACTION_ALREADY_ABORTED"}, + {STATUS_TRANSACTION_ALREADY_COMMITTED, -EIO, + "STATUS_TRANSACTION_ALREADY_COMMITTED"}, + {STATUS_TRANSACTION_INVALID_MARSHALL_BUFFER, -EIO, + "STATUS_TRANSACTION_INVALID_MARSHALL_BUFFER"}, + {STATUS_CURRENT_TRANSACTION_NOT_VALID, -EIO, + "STATUS_CURRENT_TRANSACTION_NOT_VALID"}, + {STATUS_LOG_GROWTH_FAILED, -EIO, "STATUS_LOG_GROWTH_FAILED"}, + {STATUS_OBJECT_NO_LONGER_EXISTS, -EIO, + "STATUS_OBJECT_NO_LONGER_EXISTS"}, + {STATUS_STREAM_MINIVERSION_NOT_FOUND, -EIO, + "STATUS_STREAM_MINIVERSION_NOT_FOUND"}, + {STATUS_STREAM_MINIVERSION_NOT_VALID, -EIO, + "STATUS_STREAM_MINIVERSION_NOT_VALID"}, + {STATUS_MINIVERSION_INACCESSIBLE_FROM_SPECIFIED_TRANSACTION, -EIO, + "STATUS_MINIVERSION_INACCESSIBLE_FROM_SPECIFIED_TRANSACTION"}, + {STATUS_CANT_OPEN_MINIVERSION_WITH_MODIFY_INTENT, -EIO, + "STATUS_CANT_OPEN_MINIVERSION_WITH_MODIFY_INTENT"}, + {STATUS_CANT_CREATE_MORE_STREAM_MINIVERSIONS, -EIO, + "STATUS_CANT_CREATE_MORE_STREAM_MINIVERSIONS"}, + {STATUS_HANDLE_NO_LONGER_VALID, -EIO, "STATUS_HANDLE_NO_LONGER_VALID"}, + {STATUS_LOG_CORRUPTION_DETECTED, -EIO, + "STATUS_LOG_CORRUPTION_DETECTED"}, + {STATUS_RM_DISCONNECTED, -EIO, "STATUS_RM_DISCONNECTED"}, + {STATUS_ENLISTMENT_NOT_SUPERIOR, -EIO, + "STATUS_ENLISTMENT_NOT_SUPERIOR"}, + {STATUS_FILE_IDENTITY_NOT_PERSISTENT, -EIO, + "STATUS_FILE_IDENTITY_NOT_PERSISTENT"}, + {STATUS_CANT_BREAK_TRANSACTIONAL_DEPENDENCY, -EIO, + "STATUS_CANT_BREAK_TRANSACTIONAL_DEPENDENCY"}, + {STATUS_CANT_CROSS_RM_BOUNDARY, -EIO, "STATUS_CANT_CROSS_RM_BOUNDARY"}, + {STATUS_TXF_DIR_NOT_EMPTY, -EIO, "STATUS_TXF_DIR_NOT_EMPTY"}, + {STATUS_INDOUBT_TRANSACTIONS_EXIST, -EIO, + "STATUS_INDOUBT_TRANSACTIONS_EXIST"}, + {STATUS_TM_VOLATILE, -EIO, "STATUS_TM_VOLATILE"}, + {STATUS_ROLLBACK_TIMER_EXPIRED, -EIO, "STATUS_ROLLBACK_TIMER_EXPIRED"}, + {STATUS_TXF_ATTRIBUTE_CORRUPT, -EIO, "STATUS_TXF_ATTRIBUTE_CORRUPT"}, + {STATUS_EFS_NOT_ALLOWED_IN_TRANSACTION, -EIO, + "STATUS_EFS_NOT_ALLOWED_IN_TRANSACTION"}, + {STATUS_TRANSACTIONAL_OPEN_NOT_ALLOWED, -EIO, + "STATUS_TRANSACTIONAL_OPEN_NOT_ALLOWED"}, + {STATUS_TRANSACTED_MAPPING_UNSUPPORTED_REMOTE, -EIO, + "STATUS_TRANSACTED_MAPPING_UNSUPPORTED_REMOTE"}, + {STATUS_TRANSACTION_REQUIRED_PROMOTION, -EIO, + "STATUS_TRANSACTION_REQUIRED_PROMOTION"}, + {STATUS_CANNOT_EXECUTE_FILE_IN_TRANSACTION, -EIO, + "STATUS_CANNOT_EXECUTE_FILE_IN_TRANSACTION"}, + {STATUS_TRANSACTIONS_NOT_FROZEN, -EIO, + "STATUS_TRANSACTIONS_NOT_FROZEN"}, + {STATUS_TRANSACTION_FREEZE_IN_PROGRESS, -EIO, + "STATUS_TRANSACTION_FREEZE_IN_PROGRESS"}, + {STATUS_NOT_SNAPSHOT_VOLUME, -EIO, "STATUS_NOT_SNAPSHOT_VOLUME"}, + {STATUS_NO_SAVEPOINT_WITH_OPEN_FILES, -EIO, + "STATUS_NO_SAVEPOINT_WITH_OPEN_FILES"}, + {STATUS_SPARSE_NOT_ALLOWED_IN_TRANSACTION, -EIO, + "STATUS_SPARSE_NOT_ALLOWED_IN_TRANSACTION"}, + {STATUS_TM_IDENTITY_MISMATCH, -EIO, "STATUS_TM_IDENTITY_MISMATCH"}, + {STATUS_FLOATED_SECTION, -EIO, "STATUS_FLOATED_SECTION"}, + {STATUS_CANNOT_ACCEPT_TRANSACTED_WORK, -EIO, + "STATUS_CANNOT_ACCEPT_TRANSACTED_WORK"}, + {STATUS_CANNOT_ABORT_TRANSACTIONS, -EIO, + "STATUS_CANNOT_ABORT_TRANSACTIONS"}, + {STATUS_TRANSACTION_NOT_FOUND, -EIO, "STATUS_TRANSACTION_NOT_FOUND"}, + {STATUS_RESOURCEMANAGER_NOT_FOUND, -EIO, + "STATUS_RESOURCEMANAGER_NOT_FOUND"}, + {STATUS_ENLISTMENT_NOT_FOUND, -EIO, "STATUS_ENLISTMENT_NOT_FOUND"}, + {STATUS_TRANSACTIONMANAGER_NOT_FOUND, -EIO, + "STATUS_TRANSACTIONMANAGER_NOT_FOUND"}, + {STATUS_TRANSACTIONMANAGER_NOT_ONLINE, -EIO, + "STATUS_TRANSACTIONMANAGER_NOT_ONLINE"}, + {STATUS_TRANSACTIONMANAGER_RECOVERY_NAME_COLLISION, -EIO, + "STATUS_TRANSACTIONMANAGER_RECOVERY_NAME_COLLISION"}, + {STATUS_TRANSACTION_NOT_ROOT, -EIO, "STATUS_TRANSACTION_NOT_ROOT"}, + {STATUS_TRANSACTION_OBJECT_EXPIRED, -EIO, + "STATUS_TRANSACTION_OBJECT_EXPIRED"}, + {STATUS_COMPRESSION_NOT_ALLOWED_IN_TRANSACTION, -EIO, + "STATUS_COMPRESSION_NOT_ALLOWED_IN_TRANSACTION"}, + {STATUS_TRANSACTION_RESPONSE_NOT_ENLISTED, -EIO, + "STATUS_TRANSACTION_RESPONSE_NOT_ENLISTED"}, + {STATUS_TRANSACTION_RECORD_TOO_LONG, -EIO, + "STATUS_TRANSACTION_RECORD_TOO_LONG"}, + {STATUS_NO_LINK_TRACKING_IN_TRANSACTION, -EIO, + "STATUS_NO_LINK_TRACKING_IN_TRANSACTION"}, + {STATUS_OPERATION_NOT_SUPPORTED_IN_TRANSACTION, -EOPNOTSUPP, + "STATUS_OPERATION_NOT_SUPPORTED_IN_TRANSACTION"}, + {STATUS_TRANSACTION_INTEGRITY_VIOLATED, -EIO, + "STATUS_TRANSACTION_INTEGRITY_VIOLATED"}, + {STATUS_LOG_SECTOR_INVALID, -EIO, "STATUS_LOG_SECTOR_INVALID"}, + {STATUS_LOG_SECTOR_PARITY_INVALID, -EIO, + "STATUS_LOG_SECTOR_PARITY_INVALID"}, + {STATUS_LOG_SECTOR_REMAPPED, -EIO, "STATUS_LOG_SECTOR_REMAPPED"}, + {STATUS_LOG_BLOCK_INCOMPLETE, -EIO, "STATUS_LOG_BLOCK_INCOMPLETE"}, + {STATUS_LOG_INVALID_RANGE, -EIO, "STATUS_LOG_INVALID_RANGE"}, + {STATUS_LOG_BLOCKS_EXHAUSTED, -EIO, "STATUS_LOG_BLOCKS_EXHAUSTED"}, + {STATUS_LOG_READ_CONTEXT_INVALID, -EIO, + "STATUS_LOG_READ_CONTEXT_INVALID"}, + {STATUS_LOG_RESTART_INVALID, -EIO, "STATUS_LOG_RESTART_INVALID"}, + {STATUS_LOG_BLOCK_VERSION, -EIO, "STATUS_LOG_BLOCK_VERSION"}, + {STATUS_LOG_BLOCK_INVALID, -EIO, "STATUS_LOG_BLOCK_INVALID"}, + {STATUS_LOG_READ_MODE_INVALID, -EIO, "STATUS_LOG_READ_MODE_INVALID"}, + {STATUS_LOG_METADATA_CORRUPT, -EIO, "STATUS_LOG_METADATA_CORRUPT"}, + {STATUS_LOG_METADATA_INVALID, -EIO, "STATUS_LOG_METADATA_INVALID"}, + {STATUS_LOG_METADATA_INCONSISTENT, -EIO, + "STATUS_LOG_METADATA_INCONSISTENT"}, + {STATUS_LOG_RESERVATION_INVALID, -EIO, + "STATUS_LOG_RESERVATION_INVALID"}, + {STATUS_LOG_CANT_DELETE, -EIO, "STATUS_LOG_CANT_DELETE"}, + {STATUS_LOG_CONTAINER_LIMIT_EXCEEDED, -EIO, + "STATUS_LOG_CONTAINER_LIMIT_EXCEEDED"}, + {STATUS_LOG_START_OF_LOG, -EIO, "STATUS_LOG_START_OF_LOG"}, + {STATUS_LOG_POLICY_ALREADY_INSTALLED, -EIO, + "STATUS_LOG_POLICY_ALREADY_INSTALLED"}, + {STATUS_LOG_POLICY_NOT_INSTALLED, -EIO, + "STATUS_LOG_POLICY_NOT_INSTALLED"}, + {STATUS_LOG_POLICY_INVALID, -EIO, "STATUS_LOG_POLICY_INVALID"}, + {STATUS_LOG_POLICY_CONFLICT, -EIO, "STATUS_LOG_POLICY_CONFLICT"}, + {STATUS_LOG_PINNED_ARCHIVE_TAIL, -EIO, + "STATUS_LOG_PINNED_ARCHIVE_TAIL"}, + {STATUS_LOG_RECORD_NONEXISTENT, -EIO, "STATUS_LOG_RECORD_NONEXISTENT"}, + {STATUS_LOG_RECORDS_RESERVED_INVALID, -EIO, + "STATUS_LOG_RECORDS_RESERVED_INVALID"}, + {STATUS_LOG_SPACE_RESERVED_INVALID, -EIO, + "STATUS_LOG_SPACE_RESERVED_INVALID"}, + {STATUS_LOG_TAIL_INVALID, -EIO, "STATUS_LOG_TAIL_INVALID"}, + {STATUS_LOG_FULL, -EIO, "STATUS_LOG_FULL"}, + {STATUS_LOG_MULTIPLEXED, -EIO, "STATUS_LOG_MULTIPLEXED"}, + {STATUS_LOG_DEDICATED, -EIO, "STATUS_LOG_DEDICATED"}, + {STATUS_LOG_ARCHIVE_NOT_IN_PROGRESS, -EIO, + "STATUS_LOG_ARCHIVE_NOT_IN_PROGRESS"}, + {STATUS_LOG_ARCHIVE_IN_PROGRESS, -EIO, + "STATUS_LOG_ARCHIVE_IN_PROGRESS"}, + {STATUS_LOG_EPHEMERAL, -EIO, "STATUS_LOG_EPHEMERAL"}, + {STATUS_LOG_NOT_ENOUGH_CONTAINERS, -EIO, + "STATUS_LOG_NOT_ENOUGH_CONTAINERS"}, + {STATUS_LOG_CLIENT_ALREADY_REGISTERED, -EIO, + "STATUS_LOG_CLIENT_ALREADY_REGISTERED"}, + {STATUS_LOG_CLIENT_NOT_REGISTERED, -EIO, + "STATUS_LOG_CLIENT_NOT_REGISTERED"}, + {STATUS_LOG_FULL_HANDLER_IN_PROGRESS, -EIO, + "STATUS_LOG_FULL_HANDLER_IN_PROGRESS"}, + {STATUS_LOG_CONTAINER_READ_FAILED, -EIO, + "STATUS_LOG_CONTAINER_READ_FAILED"}, + {STATUS_LOG_CONTAINER_WRITE_FAILED, -EIO, + "STATUS_LOG_CONTAINER_WRITE_FAILED"}, + {STATUS_LOG_CONTAINER_OPEN_FAILED, -EIO, + "STATUS_LOG_CONTAINER_OPEN_FAILED"}, + {STATUS_LOG_CONTAINER_STATE_INVALID, -EIO, + "STATUS_LOG_CONTAINER_STATE_INVALID"}, + {STATUS_LOG_STATE_INVALID, -EIO, "STATUS_LOG_STATE_INVALID"}, + {STATUS_LOG_PINNED, -EIO, "STATUS_LOG_PINNED"}, + {STATUS_LOG_METADATA_FLUSH_FAILED, -EIO, + "STATUS_LOG_METADATA_FLUSH_FAILED"}, + {STATUS_LOG_INCONSISTENT_SECURITY, -EIO, + "STATUS_LOG_INCONSISTENT_SECURITY"}, + {STATUS_LOG_APPENDED_FLUSH_FAILED, -EIO, + "STATUS_LOG_APPENDED_FLUSH_FAILED"}, + {STATUS_LOG_PINNED_RESERVATION, -EIO, "STATUS_LOG_PINNED_RESERVATION"}, + {STATUS_VIDEO_HUNG_DISPLAY_DRIVER_THREAD, -EIO, + "STATUS_VIDEO_HUNG_DISPLAY_DRIVER_THREAD"}, + {STATUS_FLT_NO_HANDLER_DEFINED, -EIO, "STATUS_FLT_NO_HANDLER_DEFINED"}, + {STATUS_FLT_CONTEXT_ALREADY_DEFINED, -EIO, + "STATUS_FLT_CONTEXT_ALREADY_DEFINED"}, + {STATUS_FLT_INVALID_ASYNCHRONOUS_REQUEST, -EIO, + "STATUS_FLT_INVALID_ASYNCHRONOUS_REQUEST"}, + {STATUS_FLT_DISALLOW_FAST_IO, -EIO, "STATUS_FLT_DISALLOW_FAST_IO"}, + {STATUS_FLT_INVALID_NAME_REQUEST, -EIO, + "STATUS_FLT_INVALID_NAME_REQUEST"}, + {STATUS_FLT_NOT_SAFE_TO_POST_OPERATION, -EIO, + "STATUS_FLT_NOT_SAFE_TO_POST_OPERATION"}, + {STATUS_FLT_NOT_INITIALIZED, -EIO, "STATUS_FLT_NOT_INITIALIZED"}, + {STATUS_FLT_FILTER_NOT_READY, -EIO, "STATUS_FLT_FILTER_NOT_READY"}, + {STATUS_FLT_POST_OPERATION_CLEANUP, -EIO, + "STATUS_FLT_POST_OPERATION_CLEANUP"}, + {STATUS_FLT_INTERNAL_ERROR, -EIO, "STATUS_FLT_INTERNAL_ERROR"}, + {STATUS_FLT_DELETING_OBJECT, -EIO, "STATUS_FLT_DELETING_OBJECT"}, + {STATUS_FLT_MUST_BE_NONPAGED_POOL, -EIO, + "STATUS_FLT_MUST_BE_NONPAGED_POOL"}, + {STATUS_FLT_DUPLICATE_ENTRY, -EIO, "STATUS_FLT_DUPLICATE_ENTRY"}, + {STATUS_FLT_CBDQ_DISABLED, -EIO, "STATUS_FLT_CBDQ_DISABLED"}, + {STATUS_FLT_DO_NOT_ATTACH, -EIO, "STATUS_FLT_DO_NOT_ATTACH"}, + {STATUS_FLT_DO_NOT_DETACH, -EIO, "STATUS_FLT_DO_NOT_DETACH"}, + {STATUS_FLT_INSTANCE_ALTITUDE_COLLISION, -EIO, + "STATUS_FLT_INSTANCE_ALTITUDE_COLLISION"}, + {STATUS_FLT_INSTANCE_NAME_COLLISION, -EIO, + "STATUS_FLT_INSTANCE_NAME_COLLISION"}, + {STATUS_FLT_FILTER_NOT_FOUND, -EIO, "STATUS_FLT_FILTER_NOT_FOUND"}, + {STATUS_FLT_VOLUME_NOT_FOUND, -EIO, "STATUS_FLT_VOLUME_NOT_FOUND"}, + {STATUS_FLT_INSTANCE_NOT_FOUND, -EIO, "STATUS_FLT_INSTANCE_NOT_FOUND"}, + {STATUS_FLT_CONTEXT_ALLOCATION_NOT_FOUND, -EIO, + "STATUS_FLT_CONTEXT_ALLOCATION_NOT_FOUND"}, + {STATUS_FLT_INVALID_CONTEXT_REGISTRATION, -EIO, + "STATUS_FLT_INVALID_CONTEXT_REGISTRATION"}, + {STATUS_FLT_NAME_CACHE_MISS, -EIO, "STATUS_FLT_NAME_CACHE_MISS"}, + {STATUS_FLT_NO_DEVICE_OBJECT, -EIO, "STATUS_FLT_NO_DEVICE_OBJECT"}, + {STATUS_FLT_VOLUME_ALREADY_MOUNTED, -EIO, + "STATUS_FLT_VOLUME_ALREADY_MOUNTED"}, + {STATUS_FLT_ALREADY_ENLISTED, -EIO, "STATUS_FLT_ALREADY_ENLISTED"}, + {STATUS_FLT_CONTEXT_ALREADY_LINKED, -EIO, + "STATUS_FLT_CONTEXT_ALREADY_LINKED"}, + {STATUS_FLT_NO_WAITER_FOR_REPLY, -EIO, + "STATUS_FLT_NO_WAITER_FOR_REPLY"}, + {STATUS_MONITOR_NO_DESCRIPTOR, -EIO, "STATUS_MONITOR_NO_DESCRIPTOR"}, + {STATUS_MONITOR_UNKNOWN_DESCRIPTOR_FORMAT, -EIO, + "STATUS_MONITOR_UNKNOWN_DESCRIPTOR_FORMAT"}, + {STATUS_MONITOR_INVALID_DESCRIPTOR_CHECKSUM, -EIO, + "STATUS_MONITOR_INVALID_DESCRIPTOR_CHECKSUM"}, + {STATUS_MONITOR_INVALID_STANDARD_TIMING_BLOCK, -EIO, + "STATUS_MONITOR_INVALID_STANDARD_TIMING_BLOCK"}, + {STATUS_MONITOR_WMI_DATABLOCK_REGISTRATION_FAILED, -EIO, + "STATUS_MONITOR_WMI_DATABLOCK_REGISTRATION_FAILED"}, + {STATUS_MONITOR_INVALID_SERIAL_NUMBER_MONDSC_BLOCK, -EIO, + "STATUS_MONITOR_INVALID_SERIAL_NUMBER_MONDSC_BLOCK"}, + {STATUS_MONITOR_INVALID_USER_FRIENDLY_MONDSC_BLOCK, -EIO, + "STATUS_MONITOR_INVALID_USER_FRIENDLY_MONDSC_BLOCK"}, + {STATUS_MONITOR_NO_MORE_DESCRIPTOR_DATA, -EIO, + "STATUS_MONITOR_NO_MORE_DESCRIPTOR_DATA"}, + {STATUS_MONITOR_INVALID_DETAILED_TIMING_BLOCK, -EIO, + "STATUS_MONITOR_INVALID_DETAILED_TIMING_BLOCK"}, + {STATUS_GRAPHICS_NOT_EXCLUSIVE_MODE_OWNER, -EIO, + "STATUS_GRAPHICS_NOT_EXCLUSIVE_MODE_OWNER"}, + {STATUS_GRAPHICS_INSUFFICIENT_DMA_BUFFER, -EIO, + "STATUS_GRAPHICS_INSUFFICIENT_DMA_BUFFER"}, + {STATUS_GRAPHICS_INVALID_DISPLAY_ADAPTER, -EIO, + "STATUS_GRAPHICS_INVALID_DISPLAY_ADAPTER"}, + {STATUS_GRAPHICS_ADAPTER_WAS_RESET, -EIO, + "STATUS_GRAPHICS_ADAPTER_WAS_RESET"}, + {STATUS_GRAPHICS_INVALID_DRIVER_MODEL, -EIO, + "STATUS_GRAPHICS_INVALID_DRIVER_MODEL"}, + {STATUS_GRAPHICS_PRESENT_MODE_CHANGED, -EIO, + "STATUS_GRAPHICS_PRESENT_MODE_CHANGED"}, + {STATUS_GRAPHICS_PRESENT_OCCLUDED, -EIO, + "STATUS_GRAPHICS_PRESENT_OCCLUDED"}, + {STATUS_GRAPHICS_PRESENT_DENIED, -EIO, + "STATUS_GRAPHICS_PRESENT_DENIED"}, + {STATUS_GRAPHICS_CANNOTCOLORCONVERT, -EIO, + "STATUS_GRAPHICS_CANNOTCOLORCONVERT"}, + {STATUS_GRAPHICS_NO_VIDEO_MEMORY, -EIO, + "STATUS_GRAPHICS_NO_VIDEO_MEMORY"}, + {STATUS_GRAPHICS_CANT_LOCK_MEMORY, -EIO, + "STATUS_GRAPHICS_CANT_LOCK_MEMORY"}, + {STATUS_GRAPHICS_ALLOCATION_BUSY, -EBUSY, + "STATUS_GRAPHICS_ALLOCATION_BUSY"}, + {STATUS_GRAPHICS_TOO_MANY_REFERENCES, -EIO, + "STATUS_GRAPHICS_TOO_MANY_REFERENCES"}, + {STATUS_GRAPHICS_TRY_AGAIN_LATER, -EIO, + "STATUS_GRAPHICS_TRY_AGAIN_LATER"}, + {STATUS_GRAPHICS_TRY_AGAIN_NOW, -EIO, "STATUS_GRAPHICS_TRY_AGAIN_NOW"}, + {STATUS_GRAPHICS_ALLOCATION_INVALID, -EIO, + "STATUS_GRAPHICS_ALLOCATION_INVALID"}, + {STATUS_GRAPHICS_UNSWIZZLING_APERTURE_UNAVAILABLE, -EIO, + "STATUS_GRAPHICS_UNSWIZZLING_APERTURE_UNAVAILABLE"}, + {STATUS_GRAPHICS_UNSWIZZLING_APERTURE_UNSUPPORTED, -EIO, + "STATUS_GRAPHICS_UNSWIZZLING_APERTURE_UNSUPPORTED"}, + {STATUS_GRAPHICS_CANT_EVICT_PINNED_ALLOCATION, -EIO, + "STATUS_GRAPHICS_CANT_EVICT_PINNED_ALLOCATION"}, + {STATUS_GRAPHICS_INVALID_ALLOCATION_USAGE, -EIO, + "STATUS_GRAPHICS_INVALID_ALLOCATION_USAGE"}, + {STATUS_GRAPHICS_CANT_RENDER_LOCKED_ALLOCATION, -EIO, + "STATUS_GRAPHICS_CANT_RENDER_LOCKED_ALLOCATION"}, + {STATUS_GRAPHICS_ALLOCATION_CLOSED, -EIO, + "STATUS_GRAPHICS_ALLOCATION_CLOSED"}, + {STATUS_GRAPHICS_INVALID_ALLOCATION_INSTANCE, -EIO, + "STATUS_GRAPHICS_INVALID_ALLOCATION_INSTANCE"}, + {STATUS_GRAPHICS_INVALID_ALLOCATION_HANDLE, -EIO, + "STATUS_GRAPHICS_INVALID_ALLOCATION_HANDLE"}, + {STATUS_GRAPHICS_WRONG_ALLOCATION_DEVICE, -EIO, + "STATUS_GRAPHICS_WRONG_ALLOCATION_DEVICE"}, + {STATUS_GRAPHICS_ALLOCATION_CONTENT_LOST, -EIO, + "STATUS_GRAPHICS_ALLOCATION_CONTENT_LOST"}, + {STATUS_GRAPHICS_GPU_EXCEPTION_ON_DEVICE, -EIO, + "STATUS_GRAPHICS_GPU_EXCEPTION_ON_DEVICE"}, + {STATUS_GRAPHICS_INVALID_VIDPN_TOPOLOGY, -EIO, + "STATUS_GRAPHICS_INVALID_VIDPN_TOPOLOGY"}, + {STATUS_GRAPHICS_VIDPN_TOPOLOGY_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_VIDPN_TOPOLOGY_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_VIDPN_TOPOLOGY_CURRENTLY_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_VIDPN_TOPOLOGY_CURRENTLY_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_INVALID_VIDPN, -EIO, "STATUS_GRAPHICS_INVALID_VIDPN"}, + {STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_SOURCE, -EIO, + "STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_SOURCE"}, + {STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_TARGET, -EIO, + "STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_TARGET"}, + {STATUS_GRAPHICS_VIDPN_MODALITY_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_VIDPN_MODALITY_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_INVALID_VIDPN_SOURCEMODESET, -EIO, + "STATUS_GRAPHICS_INVALID_VIDPN_SOURCEMODESET"}, + {STATUS_GRAPHICS_INVALID_VIDPN_TARGETMODESET, -EIO, + "STATUS_GRAPHICS_INVALID_VIDPN_TARGETMODESET"}, + {STATUS_GRAPHICS_INVALID_FREQUENCY, -EIO, + "STATUS_GRAPHICS_INVALID_FREQUENCY"}, + {STATUS_GRAPHICS_INVALID_ACTIVE_REGION, -EIO, + "STATUS_GRAPHICS_INVALID_ACTIVE_REGION"}, + {STATUS_GRAPHICS_INVALID_TOTAL_REGION, -EIO, + "STATUS_GRAPHICS_INVALID_TOTAL_REGION"}, + {STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_SOURCE_MODE, -EIO, + "STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_SOURCE_MODE"}, + {STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_TARGET_MODE, -EIO, + "STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_TARGET_MODE"}, + {STATUS_GRAPHICS_PINNED_MODE_MUST_REMAIN_IN_SET, -EIO, + "STATUS_GRAPHICS_PINNED_MODE_MUST_REMAIN_IN_SET"}, + {STATUS_GRAPHICS_PATH_ALREADY_IN_TOPOLOGY, -EIO, + "STATUS_GRAPHICS_PATH_ALREADY_IN_TOPOLOGY"}, + {STATUS_GRAPHICS_MODE_ALREADY_IN_MODESET, -EIO, + "STATUS_GRAPHICS_MODE_ALREADY_IN_MODESET"}, + {STATUS_GRAPHICS_INVALID_VIDEOPRESENTSOURCESET, -EIO, + "STATUS_GRAPHICS_INVALID_VIDEOPRESENTSOURCESET"}, + {STATUS_GRAPHICS_INVALID_VIDEOPRESENTTARGETSET, -EIO, + "STATUS_GRAPHICS_INVALID_VIDEOPRESENTTARGETSET"}, + {STATUS_GRAPHICS_SOURCE_ALREADY_IN_SET, -EIO, + "STATUS_GRAPHICS_SOURCE_ALREADY_IN_SET"}, + {STATUS_GRAPHICS_TARGET_ALREADY_IN_SET, -EIO, + "STATUS_GRAPHICS_TARGET_ALREADY_IN_SET"}, + {STATUS_GRAPHICS_INVALID_VIDPN_PRESENT_PATH, -EIO, + "STATUS_GRAPHICS_INVALID_VIDPN_PRESENT_PATH"}, + {STATUS_GRAPHICS_NO_RECOMMENDED_VIDPN_TOPOLOGY, -EIO, + "STATUS_GRAPHICS_NO_RECOMMENDED_VIDPN_TOPOLOGY"}, + {STATUS_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGESET, -EIO, + "STATUS_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGESET"}, + {STATUS_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGE, -EIO, + "STATUS_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGE"}, + {STATUS_GRAPHICS_FREQUENCYRANGE_NOT_IN_SET, -EIO, + "STATUS_GRAPHICS_FREQUENCYRANGE_NOT_IN_SET"}, + {STATUS_GRAPHICS_FREQUENCYRANGE_ALREADY_IN_SET, -EIO, + "STATUS_GRAPHICS_FREQUENCYRANGE_ALREADY_IN_SET"}, + {STATUS_GRAPHICS_STALE_MODESET, -EIO, "STATUS_GRAPHICS_STALE_MODESET"}, + {STATUS_GRAPHICS_INVALID_MONITOR_SOURCEMODESET, -EIO, + "STATUS_GRAPHICS_INVALID_MONITOR_SOURCEMODESET"}, + {STATUS_GRAPHICS_INVALID_MONITOR_SOURCE_MODE, -EIO, + "STATUS_GRAPHICS_INVALID_MONITOR_SOURCE_MODE"}, + {STATUS_GRAPHICS_NO_RECOMMENDED_FUNCTIONAL_VIDPN, -EIO, + "STATUS_GRAPHICS_NO_RECOMMENDED_FUNCTIONAL_VIDPN"}, + {STATUS_GRAPHICS_MODE_ID_MUST_BE_UNIQUE, -EIO, + "STATUS_GRAPHICS_MODE_ID_MUST_BE_UNIQUE"}, + {STATUS_GRAPHICS_EMPTY_ADAPTER_MONITOR_MODE_SUPPORT_INTERSECTION, -EIO, + "STATUS_GRAPHICS_EMPTY_ADAPTER_MONITOR_MODE_SUPPORT_INTERSECTION"}, + {STATUS_GRAPHICS_VIDEO_PRESENT_TARGETS_LESS_THAN_SOURCES, -EIO, + "STATUS_GRAPHICS_VIDEO_PRESENT_TARGETS_LESS_THAN_SOURCES"}, + {STATUS_GRAPHICS_PATH_NOT_IN_TOPOLOGY, -EIO, + "STATUS_GRAPHICS_PATH_NOT_IN_TOPOLOGY"}, + {STATUS_GRAPHICS_ADAPTER_MUST_HAVE_AT_LEAST_ONE_SOURCE, -EIO, + "STATUS_GRAPHICS_ADAPTER_MUST_HAVE_AT_LEAST_ONE_SOURCE"}, + {STATUS_GRAPHICS_ADAPTER_MUST_HAVE_AT_LEAST_ONE_TARGET, -EIO, + "STATUS_GRAPHICS_ADAPTER_MUST_HAVE_AT_LEAST_ONE_TARGET"}, + {STATUS_GRAPHICS_INVALID_MONITORDESCRIPTORSET, -EIO, + "STATUS_GRAPHICS_INVALID_MONITORDESCRIPTORSET"}, + {STATUS_GRAPHICS_INVALID_MONITORDESCRIPTOR, -EIO, + "STATUS_GRAPHICS_INVALID_MONITORDESCRIPTOR"}, + {STATUS_GRAPHICS_MONITORDESCRIPTOR_NOT_IN_SET, -EIO, + "STATUS_GRAPHICS_MONITORDESCRIPTOR_NOT_IN_SET"}, + {STATUS_GRAPHICS_MONITORDESCRIPTOR_ALREADY_IN_SET, -EIO, + "STATUS_GRAPHICS_MONITORDESCRIPTOR_ALREADY_IN_SET"}, + {STATUS_GRAPHICS_MONITORDESCRIPTOR_ID_MUST_BE_UNIQUE, -EIO, + "STATUS_GRAPHICS_MONITORDESCRIPTOR_ID_MUST_BE_UNIQUE"}, + {STATUS_GRAPHICS_INVALID_VIDPN_TARGET_SUBSET_TYPE, -EIO, + "STATUS_GRAPHICS_INVALID_VIDPN_TARGET_SUBSET_TYPE"}, + {STATUS_GRAPHICS_RESOURCES_NOT_RELATED, -EIO, + "STATUS_GRAPHICS_RESOURCES_NOT_RELATED"}, + {STATUS_GRAPHICS_SOURCE_ID_MUST_BE_UNIQUE, -EIO, + "STATUS_GRAPHICS_SOURCE_ID_MUST_BE_UNIQUE"}, + {STATUS_GRAPHICS_TARGET_ID_MUST_BE_UNIQUE, -EIO, + "STATUS_GRAPHICS_TARGET_ID_MUST_BE_UNIQUE"}, + {STATUS_GRAPHICS_NO_AVAILABLE_VIDPN_TARGET, -EIO, + "STATUS_GRAPHICS_NO_AVAILABLE_VIDPN_TARGET"}, + {STATUS_GRAPHICS_MONITOR_COULD_NOT_BE_ASSOCIATED_WITH_ADAPTER, -EIO, + "STATUS_GRAPHICS_MONITOR_COULD_NOT_BE_ASSOCIATED_WITH_ADAPTER"}, + {STATUS_GRAPHICS_NO_VIDPNMGR, -EIO, "STATUS_GRAPHICS_NO_VIDPNMGR"}, + {STATUS_GRAPHICS_NO_ACTIVE_VIDPN, -EIO, + "STATUS_GRAPHICS_NO_ACTIVE_VIDPN"}, + {STATUS_GRAPHICS_STALE_VIDPN_TOPOLOGY, -EIO, + "STATUS_GRAPHICS_STALE_VIDPN_TOPOLOGY"}, + {STATUS_GRAPHICS_MONITOR_NOT_CONNECTED, -EIO, + "STATUS_GRAPHICS_MONITOR_NOT_CONNECTED"}, + {STATUS_GRAPHICS_SOURCE_NOT_IN_TOPOLOGY, -EIO, + "STATUS_GRAPHICS_SOURCE_NOT_IN_TOPOLOGY"}, + {STATUS_GRAPHICS_INVALID_PRIMARYSURFACE_SIZE, -EIO, + "STATUS_GRAPHICS_INVALID_PRIMARYSURFACE_SIZE"}, + {STATUS_GRAPHICS_INVALID_VISIBLEREGION_SIZE, -EIO, + "STATUS_GRAPHICS_INVALID_VISIBLEREGION_SIZE"}, + {STATUS_GRAPHICS_INVALID_STRIDE, -EIO, + "STATUS_GRAPHICS_INVALID_STRIDE"}, + {STATUS_GRAPHICS_INVALID_PIXELFORMAT, -EIO, + "STATUS_GRAPHICS_INVALID_PIXELFORMAT"}, + {STATUS_GRAPHICS_INVALID_COLORBASIS, -EIO, + "STATUS_GRAPHICS_INVALID_COLORBASIS"}, + {STATUS_GRAPHICS_INVALID_PIXELVALUEACCESSMODE, -EIO, + "STATUS_GRAPHICS_INVALID_PIXELVALUEACCESSMODE"}, + {STATUS_GRAPHICS_TARGET_NOT_IN_TOPOLOGY, -EIO, + "STATUS_GRAPHICS_TARGET_NOT_IN_TOPOLOGY"}, + {STATUS_GRAPHICS_NO_DISPLAY_MODE_MANAGEMENT_SUPPORT, -EIO, + "STATUS_GRAPHICS_NO_DISPLAY_MODE_MANAGEMENT_SUPPORT"}, + {STATUS_GRAPHICS_VIDPN_SOURCE_IN_USE, -EIO, + "STATUS_GRAPHICS_VIDPN_SOURCE_IN_USE"}, + {STATUS_GRAPHICS_CANT_ACCESS_ACTIVE_VIDPN, -EIO, + "STATUS_GRAPHICS_CANT_ACCESS_ACTIVE_VIDPN"}, + {STATUS_GRAPHICS_INVALID_PATH_IMPORTANCE_ORDINAL, -EIO, + "STATUS_GRAPHICS_INVALID_PATH_IMPORTANCE_ORDINAL"}, + {STATUS_GRAPHICS_INVALID_PATH_CONTENT_GEOMETRY_TRANSFORMATION, -EIO, + "STATUS_GRAPHICS_INVALID_PATH_CONTENT_GEOMETRY_TRANSFORMATION"}, + {STATUS_GRAPHICS_PATH_CONTENT_GEOMETRY_TRANSFORMATION_NOT_SUPPORTED, + -EIO, + "STATUS_GRAPHICS_PATH_CONTENT_GEOMETRY_TRANSFORMATION_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_INVALID_GAMMA_RAMP, -EIO, + "STATUS_GRAPHICS_INVALID_GAMMA_RAMP"}, + {STATUS_GRAPHICS_GAMMA_RAMP_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_GAMMA_RAMP_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_MULTISAMPLING_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_MULTISAMPLING_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_MODE_NOT_IN_MODESET, -EIO, + "STATUS_GRAPHICS_MODE_NOT_IN_MODESET"}, + {STATUS_GRAPHICS_INVALID_VIDPN_TOPOLOGY_RECOMMENDATION_REASON, -EIO, + "STATUS_GRAPHICS_INVALID_VIDPN_TOPOLOGY_RECOMMENDATION_REASON"}, + {STATUS_GRAPHICS_INVALID_PATH_CONTENT_TYPE, -EIO, + "STATUS_GRAPHICS_INVALID_PATH_CONTENT_TYPE"}, + {STATUS_GRAPHICS_INVALID_COPYPROTECTION_TYPE, -EIO, + "STATUS_GRAPHICS_INVALID_COPYPROTECTION_TYPE"}, + {STATUS_GRAPHICS_UNASSIGNED_MODESET_ALREADY_EXISTS, -EIO, + "STATUS_GRAPHICS_UNASSIGNED_MODESET_ALREADY_EXISTS"}, + {STATUS_GRAPHICS_INVALID_SCANLINE_ORDERING, -EIO, + "STATUS_GRAPHICS_INVALID_SCANLINE_ORDERING"}, + {STATUS_GRAPHICS_TOPOLOGY_CHANGES_NOT_ALLOWED, -EIO, + "STATUS_GRAPHICS_TOPOLOGY_CHANGES_NOT_ALLOWED"}, + {STATUS_GRAPHICS_NO_AVAILABLE_IMPORTANCE_ORDINALS, -EIO, + "STATUS_GRAPHICS_NO_AVAILABLE_IMPORTANCE_ORDINALS"}, + {STATUS_GRAPHICS_INCOMPATIBLE_PRIVATE_FORMAT, -EIO, + "STATUS_GRAPHICS_INCOMPATIBLE_PRIVATE_FORMAT"}, + {STATUS_GRAPHICS_INVALID_MODE_PRUNING_ALGORITHM, -EIO, + "STATUS_GRAPHICS_INVALID_MODE_PRUNING_ALGORITHM"}, + {STATUS_GRAPHICS_INVALID_MONITOR_CAPABILITY_ORIGIN, -EIO, + "STATUS_GRAPHICS_INVALID_MONITOR_CAPABILITY_ORIGIN"}, + {STATUS_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGE_CONSTRAINT, -EIO, + "STATUS_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGE_CONSTRAINT"}, + {STATUS_GRAPHICS_MAX_NUM_PATHS_REACHED, -EIO, + "STATUS_GRAPHICS_MAX_NUM_PATHS_REACHED"}, + {STATUS_GRAPHICS_CANCEL_VIDPN_TOPOLOGY_AUGMENTATION, -EIO, + "STATUS_GRAPHICS_CANCEL_VIDPN_TOPOLOGY_AUGMENTATION"}, + {STATUS_GRAPHICS_INVALID_CLIENT_TYPE, -EIO, + "STATUS_GRAPHICS_INVALID_CLIENT_TYPE"}, + {STATUS_GRAPHICS_CLIENTVIDPN_NOT_SET, -EIO, + "STATUS_GRAPHICS_CLIENTVIDPN_NOT_SET"}, + {STATUS_GRAPHICS_SPECIFIED_CHILD_ALREADY_CONNECTED, -EIO, + "STATUS_GRAPHICS_SPECIFIED_CHILD_ALREADY_CONNECTED"}, + {STATUS_GRAPHICS_CHILD_DESCRIPTOR_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_CHILD_DESCRIPTOR_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_NOT_A_LINKED_ADAPTER, -EIO, + "STATUS_GRAPHICS_NOT_A_LINKED_ADAPTER"}, + {STATUS_GRAPHICS_LEADLINK_NOT_ENUMERATED, -EIO, + "STATUS_GRAPHICS_LEADLINK_NOT_ENUMERATED"}, + {STATUS_GRAPHICS_CHAINLINKS_NOT_ENUMERATED, -EIO, + "STATUS_GRAPHICS_CHAINLINKS_NOT_ENUMERATED"}, + {STATUS_GRAPHICS_ADAPTER_CHAIN_NOT_READY, -EIO, + "STATUS_GRAPHICS_ADAPTER_CHAIN_NOT_READY"}, + {STATUS_GRAPHICS_CHAINLINKS_NOT_STARTED, -EIO, + "STATUS_GRAPHICS_CHAINLINKS_NOT_STARTED"}, + {STATUS_GRAPHICS_CHAINLINKS_NOT_POWERED_ON, -EIO, + "STATUS_GRAPHICS_CHAINLINKS_NOT_POWERED_ON"}, + {STATUS_GRAPHICS_INCONSISTENT_DEVICE_LINK_STATE, -EIO, + "STATUS_GRAPHICS_INCONSISTENT_DEVICE_LINK_STATE"}, + {STATUS_GRAPHICS_NOT_POST_DEVICE_DRIVER, -EIO, + "STATUS_GRAPHICS_NOT_POST_DEVICE_DRIVER"}, + {STATUS_GRAPHICS_ADAPTER_ACCESS_NOT_EXCLUDED, -EIO, + "STATUS_GRAPHICS_ADAPTER_ACCESS_NOT_EXCLUDED"}, + {STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_DOES_NOT_HAVE_COPP_SEMANTICS, + -EIO, + "STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_DOES_NOT_HAVE_COPP_SEMANTICS"}, + {STATUS_GRAPHICS_OPM_INVALID_INFORMATION_REQUEST, -EIO, + "STATUS_GRAPHICS_OPM_INVALID_INFORMATION_REQUEST"}, + {STATUS_GRAPHICS_OPM_DRIVER_INTERNAL_ERROR, -EIO, + "STATUS_GRAPHICS_OPM_DRIVER_INTERNAL_ERROR"}, + {STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_DOES_NOT_HAVE_OPM_SEMANTICS, -EIO, + "STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_DOES_NOT_HAVE_OPM_SEMANTICS"}, + {STATUS_GRAPHICS_OPM_SIGNALING_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_OPM_SIGNALING_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_OPM_INVALID_CONFIGURATION_REQUEST, -EIO, + "STATUS_GRAPHICS_OPM_INVALID_CONFIGURATION_REQUEST"}, + {STATUS_GRAPHICS_OPM_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_OPM_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_COPP_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_COPP_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_UAB_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_UAB_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_OPM_INVALID_ENCRYPTED_PARAMETERS, -EIO, + "STATUS_GRAPHICS_OPM_INVALID_ENCRYPTED_PARAMETERS"}, + {STATUS_GRAPHICS_OPM_PARAMETER_ARRAY_TOO_SMALL, -EIO, + "STATUS_GRAPHICS_OPM_PARAMETER_ARRAY_TOO_SMALL"}, + {STATUS_GRAPHICS_OPM_NO_PROTECTED_OUTPUTS_EXIST, -EIO, + "STATUS_GRAPHICS_OPM_NO_PROTECTED_OUTPUTS_EXIST"}, + {STATUS_GRAPHICS_PVP_NO_DISPLAY_DEVICE_CORRESPONDS_TO_NAME, -EIO, + "STATUS_GRAPHICS_PVP_NO_DISPLAY_DEVICE_CORRESPONDS_TO_NAME"}, + {STATUS_GRAPHICS_PVP_DISPLAY_DEVICE_NOT_ATTACHED_TO_DESKTOP, -EIO, + "STATUS_GRAPHICS_PVP_DISPLAY_DEVICE_NOT_ATTACHED_TO_DESKTOP"}, + {STATUS_GRAPHICS_PVP_MIRRORING_DEVICES_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_PVP_MIRRORING_DEVICES_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_OPM_INVALID_POINTER, -EIO, + "STATUS_GRAPHICS_OPM_INVALID_POINTER"}, + {STATUS_GRAPHICS_OPM_INTERNAL_ERROR, -EIO, + "STATUS_GRAPHICS_OPM_INTERNAL_ERROR"}, + {STATUS_GRAPHICS_OPM_INVALID_HANDLE, -EIO, + "STATUS_GRAPHICS_OPM_INVALID_HANDLE"}, + {STATUS_GRAPHICS_PVP_NO_MONITORS_CORRESPOND_TO_DISPLAY_DEVICE, -EIO, + "STATUS_GRAPHICS_PVP_NO_MONITORS_CORRESPOND_TO_DISPLAY_DEVICE"}, + {STATUS_GRAPHICS_PVP_INVALID_CERTIFICATE_LENGTH, -EIO, + "STATUS_GRAPHICS_PVP_INVALID_CERTIFICATE_LENGTH"}, + {STATUS_GRAPHICS_OPM_SPANNING_MODE_ENABLED, -EIO, + "STATUS_GRAPHICS_OPM_SPANNING_MODE_ENABLED"}, + {STATUS_GRAPHICS_OPM_THEATER_MODE_ENABLED, -EIO, + "STATUS_GRAPHICS_OPM_THEATER_MODE_ENABLED"}, + {STATUS_GRAPHICS_PVP_HFS_FAILED, -EIO, + "STATUS_GRAPHICS_PVP_HFS_FAILED"}, + {STATUS_GRAPHICS_OPM_INVALID_SRM, -EIO, + "STATUS_GRAPHICS_OPM_INVALID_SRM"}, + {STATUS_GRAPHICS_OPM_OUTPUT_DOES_NOT_SUPPORT_HDCP, -EIO, + "STATUS_GRAPHICS_OPM_OUTPUT_DOES_NOT_SUPPORT_HDCP"}, + {STATUS_GRAPHICS_OPM_OUTPUT_DOES_NOT_SUPPORT_ACP, -EIO, + "STATUS_GRAPHICS_OPM_OUTPUT_DOES_NOT_SUPPORT_ACP"}, + {STATUS_GRAPHICS_OPM_OUTPUT_DOES_NOT_SUPPORT_CGMSA, -EIO, + "STATUS_GRAPHICS_OPM_OUTPUT_DOES_NOT_SUPPORT_CGMSA"}, + {STATUS_GRAPHICS_OPM_HDCP_SRM_NEVER_SET, -EIO, + "STATUS_GRAPHICS_OPM_HDCP_SRM_NEVER_SET"}, + {STATUS_GRAPHICS_OPM_RESOLUTION_TOO_HIGH, -EIO, + "STATUS_GRAPHICS_OPM_RESOLUTION_TOO_HIGH"}, + {STATUS_GRAPHICS_OPM_ALL_HDCP_HARDWARE_ALREADY_IN_USE, -EIO, + "STATUS_GRAPHICS_OPM_ALL_HDCP_HARDWARE_ALREADY_IN_USE"}, + {STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_NO_LONGER_EXISTS, -EIO, + "STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_NO_LONGER_EXISTS"}, + {STATUS_GRAPHICS_OPM_SESSION_TYPE_CHANGE_IN_PROGRESS, -EIO, + "STATUS_GRAPHICS_OPM_SESSION_TYPE_CHANGE_IN_PROGRESS"}, + {STATUS_GRAPHICS_I2C_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_I2C_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_I2C_DEVICE_DOES_NOT_EXIST, -EIO, + "STATUS_GRAPHICS_I2C_DEVICE_DOES_NOT_EXIST"}, + {STATUS_GRAPHICS_I2C_ERROR_TRANSMITTING_DATA, -EIO, + "STATUS_GRAPHICS_I2C_ERROR_TRANSMITTING_DATA"}, + {STATUS_GRAPHICS_I2C_ERROR_RECEIVING_DATA, -EIO, + "STATUS_GRAPHICS_I2C_ERROR_RECEIVING_DATA"}, + {STATUS_GRAPHICS_DDCCI_VCP_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_DDCCI_VCP_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_DDCCI_INVALID_DATA, -EIO, + "STATUS_GRAPHICS_DDCCI_INVALID_DATA"}, + {STATUS_GRAPHICS_DDCCI_MONITOR_RETURNED_INVALID_TIMING_STATUS_BYTE, + -EIO, + "STATUS_GRAPHICS_DDCCI_MONITOR_RETURNED_INVALID_TIMING_STATUS_BYTE"}, + {STATUS_GRAPHICS_DDCCI_INVALID_CAPABILITIES_STRING, -EIO, + "STATUS_GRAPHICS_DDCCI_INVALID_CAPABILITIES_STRING"}, + {STATUS_GRAPHICS_MCA_INTERNAL_ERROR, -EIO, + "STATUS_GRAPHICS_MCA_INTERNAL_ERROR"}, + {STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_COMMAND, -EIO, + "STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_COMMAND"}, + {STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_LENGTH, -EIO, + "STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_LENGTH"}, + {STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_CHECKSUM, -EIO, + "STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_CHECKSUM"}, + {STATUS_GRAPHICS_INVALID_PHYSICAL_MONITOR_HANDLE, -EIO, + "STATUS_GRAPHICS_INVALID_PHYSICAL_MONITOR_HANDLE"}, + {STATUS_GRAPHICS_MONITOR_NO_LONGER_EXISTS, -EIO, + "STATUS_GRAPHICS_MONITOR_NO_LONGER_EXISTS"}, + {STATUS_GRAPHICS_ONLY_CONSOLE_SESSION_SUPPORTED, -EIO, + "STATUS_GRAPHICS_ONLY_CONSOLE_SESSION_SUPPORTED"}, + {STATUS_GRAPHICS_NO_DISPLAY_DEVICE_CORRESPONDS_TO_NAME, -EIO, + "STATUS_GRAPHICS_NO_DISPLAY_DEVICE_CORRESPONDS_TO_NAME"}, + {STATUS_GRAPHICS_DISPLAY_DEVICE_NOT_ATTACHED_TO_DESKTOP, -EIO, + "STATUS_GRAPHICS_DISPLAY_DEVICE_NOT_ATTACHED_TO_DESKTOP"}, + {STATUS_GRAPHICS_MIRRORING_DEVICES_NOT_SUPPORTED, -EIO, + "STATUS_GRAPHICS_MIRRORING_DEVICES_NOT_SUPPORTED"}, + {STATUS_GRAPHICS_INVALID_POINTER, -EIO, + "STATUS_GRAPHICS_INVALID_POINTER"}, + {STATUS_GRAPHICS_NO_MONITORS_CORRESPOND_TO_DISPLAY_DEVICE, -EIO, + "STATUS_GRAPHICS_NO_MONITORS_CORRESPOND_TO_DISPLAY_DEVICE"}, + {STATUS_GRAPHICS_PARAMETER_ARRAY_TOO_SMALL, -EIO, + "STATUS_GRAPHICS_PARAMETER_ARRAY_TOO_SMALL"}, + {STATUS_GRAPHICS_INTERNAL_ERROR, -EIO, + "STATUS_GRAPHICS_INTERNAL_ERROR"}, + {STATUS_GRAPHICS_SESSION_TYPE_CHANGE_IN_PROGRESS, -EIO, + "STATUS_GRAPHICS_SESSION_TYPE_CHANGE_IN_PROGRESS"}, + {STATUS_FVE_LOCKED_VOLUME, -EIO, "STATUS_FVE_LOCKED_VOLUME"}, + {STATUS_FVE_NOT_ENCRYPTED, -EIO, "STATUS_FVE_NOT_ENCRYPTED"}, + {STATUS_FVE_BAD_INFORMATION, -EIO, "STATUS_FVE_BAD_INFORMATION"}, + {STATUS_FVE_TOO_SMALL, -EIO, "STATUS_FVE_TOO_SMALL"}, + {STATUS_FVE_FAILED_WRONG_FS, -EIO, "STATUS_FVE_FAILED_WRONG_FS"}, + {STATUS_FVE_FAILED_BAD_FS, -EIO, "STATUS_FVE_FAILED_BAD_FS"}, + {STATUS_FVE_FS_NOT_EXTENDED, -EIO, "STATUS_FVE_FS_NOT_EXTENDED"}, + {STATUS_FVE_FS_MOUNTED, -EIO, "STATUS_FVE_FS_MOUNTED"}, + {STATUS_FVE_NO_LICENSE, -EIO, "STATUS_FVE_NO_LICENSE"}, + {STATUS_FVE_ACTION_NOT_ALLOWED, -EIO, "STATUS_FVE_ACTION_NOT_ALLOWED"}, + {STATUS_FVE_BAD_DATA, -EIO, "STATUS_FVE_BAD_DATA"}, + {STATUS_FVE_VOLUME_NOT_BOUND, -EIO, "STATUS_FVE_VOLUME_NOT_BOUND"}, + {STATUS_FVE_NOT_DATA_VOLUME, -EIO, "STATUS_FVE_NOT_DATA_VOLUME"}, + {STATUS_FVE_CONV_READ_ERROR, -EIO, "STATUS_FVE_CONV_READ_ERROR"}, + {STATUS_FVE_CONV_WRITE_ERROR, -EIO, "STATUS_FVE_CONV_WRITE_ERROR"}, + {STATUS_FVE_OVERLAPPED_UPDATE, -EIO, "STATUS_FVE_OVERLAPPED_UPDATE"}, + {STATUS_FVE_FAILED_SECTOR_SIZE, -EIO, "STATUS_FVE_FAILED_SECTOR_SIZE"}, + {STATUS_FVE_FAILED_AUTHENTICATION, -EIO, + "STATUS_FVE_FAILED_AUTHENTICATION"}, + {STATUS_FVE_NOT_OS_VOLUME, -EIO, "STATUS_FVE_NOT_OS_VOLUME"}, + {STATUS_FVE_KEYFILE_NOT_FOUND, -EIO, "STATUS_FVE_KEYFILE_NOT_FOUND"}, + {STATUS_FVE_KEYFILE_INVALID, -EIO, "STATUS_FVE_KEYFILE_INVALID"}, + {STATUS_FVE_KEYFILE_NO_VMK, -EIO, "STATUS_FVE_KEYFILE_NO_VMK"}, + {STATUS_FVE_TPM_DISABLED, -EIO, "STATUS_FVE_TPM_DISABLED"}, + {STATUS_FVE_TPM_SRK_AUTH_NOT_ZERO, -EIO, + "STATUS_FVE_TPM_SRK_AUTH_NOT_ZERO"}, + {STATUS_FVE_TPM_INVALID_PCR, -EIO, "STATUS_FVE_TPM_INVALID_PCR"}, + {STATUS_FVE_TPM_NO_VMK, -EIO, "STATUS_FVE_TPM_NO_VMK"}, + {STATUS_FVE_PIN_INVALID, -EIO, "STATUS_FVE_PIN_INVALID"}, + {STATUS_FVE_AUTH_INVALID_APPLICATION, -EIO, + "STATUS_FVE_AUTH_INVALID_APPLICATION"}, + {STATUS_FVE_AUTH_INVALID_CONFIG, -EIO, + "STATUS_FVE_AUTH_INVALID_CONFIG"}, + {STATUS_FVE_DEBUGGER_ENABLED, -EIO, "STATUS_FVE_DEBUGGER_ENABLED"}, + {STATUS_FVE_DRY_RUN_FAILED, -EIO, "STATUS_FVE_DRY_RUN_FAILED"}, + {STATUS_FVE_BAD_METADATA_POINTER, -EIO, + "STATUS_FVE_BAD_METADATA_POINTER"}, + {STATUS_FVE_OLD_METADATA_COPY, -EIO, "STATUS_FVE_OLD_METADATA_COPY"}, + {STATUS_FVE_REBOOT_REQUIRED, -EIO, "STATUS_FVE_REBOOT_REQUIRED"}, + {STATUS_FVE_RAW_ACCESS, -EIO, "STATUS_FVE_RAW_ACCESS"}, + {STATUS_FVE_RAW_BLOCKED, -EIO, "STATUS_FVE_RAW_BLOCKED"}, + {STATUS_FWP_CALLOUT_NOT_FOUND, -EIO, "STATUS_FWP_CALLOUT_NOT_FOUND"}, + {STATUS_FWP_CONDITION_NOT_FOUND, -EIO, + "STATUS_FWP_CONDITION_NOT_FOUND"}, + {STATUS_FWP_FILTER_NOT_FOUND, -EIO, "STATUS_FWP_FILTER_NOT_FOUND"}, + {STATUS_FWP_LAYER_NOT_FOUND, -EIO, "STATUS_FWP_LAYER_NOT_FOUND"}, + {STATUS_FWP_PROVIDER_NOT_FOUND, -EIO, "STATUS_FWP_PROVIDER_NOT_FOUND"}, + {STATUS_FWP_PROVIDER_CONTEXT_NOT_FOUND, -EIO, + "STATUS_FWP_PROVIDER_CONTEXT_NOT_FOUND"}, + {STATUS_FWP_SUBLAYER_NOT_FOUND, -EIO, "STATUS_FWP_SUBLAYER_NOT_FOUND"}, + {STATUS_FWP_NOT_FOUND, -EIO, "STATUS_FWP_NOT_FOUND"}, + {STATUS_FWP_ALREADY_EXISTS, -EIO, "STATUS_FWP_ALREADY_EXISTS"}, + {STATUS_FWP_IN_USE, -EIO, "STATUS_FWP_IN_USE"}, + {STATUS_FWP_DYNAMIC_SESSION_IN_PROGRESS, -EIO, + "STATUS_FWP_DYNAMIC_SESSION_IN_PROGRESS"}, + {STATUS_FWP_WRONG_SESSION, -EIO, "STATUS_FWP_WRONG_SESSION"}, + {STATUS_FWP_NO_TXN_IN_PROGRESS, -EIO, "STATUS_FWP_NO_TXN_IN_PROGRESS"}, + {STATUS_FWP_TXN_IN_PROGRESS, -EIO, "STATUS_FWP_TXN_IN_PROGRESS"}, + {STATUS_FWP_TXN_ABORTED, -EIO, "STATUS_FWP_TXN_ABORTED"}, + {STATUS_FWP_SESSION_ABORTED, -EIO, "STATUS_FWP_SESSION_ABORTED"}, + {STATUS_FWP_INCOMPATIBLE_TXN, -EIO, "STATUS_FWP_INCOMPATIBLE_TXN"}, + {STATUS_FWP_TIMEOUT, -ETIMEDOUT, "STATUS_FWP_TIMEOUT"}, + {STATUS_FWP_NET_EVENTS_DISABLED, -EIO, + "STATUS_FWP_NET_EVENTS_DISABLED"}, + {STATUS_FWP_INCOMPATIBLE_LAYER, -EIO, "STATUS_FWP_INCOMPATIBLE_LAYER"}, + {STATUS_FWP_KM_CLIENTS_ONLY, -EIO, "STATUS_FWP_KM_CLIENTS_ONLY"}, + {STATUS_FWP_LIFETIME_MISMATCH, -EIO, "STATUS_FWP_LIFETIME_MISMATCH"}, + {STATUS_FWP_BUILTIN_OBJECT, -EIO, "STATUS_FWP_BUILTIN_OBJECT"}, + {STATUS_FWP_TOO_MANY_BOOTTIME_FILTERS, -EIO, + "STATUS_FWP_TOO_MANY_BOOTTIME_FILTERS"}, + {STATUS_FWP_TOO_MANY_CALLOUTS, -EIO, "STATUS_FWP_TOO_MANY_CALLOUTS"}, + {STATUS_FWP_NOTIFICATION_DROPPED, -EIO, + "STATUS_FWP_NOTIFICATION_DROPPED"}, + {STATUS_FWP_TRAFFIC_MISMATCH, -EIO, "STATUS_FWP_TRAFFIC_MISMATCH"}, + {STATUS_FWP_INCOMPATIBLE_SA_STATE, -EIO, + "STATUS_FWP_INCOMPATIBLE_SA_STATE"}, + {STATUS_FWP_NULL_POINTER, -EIO, "STATUS_FWP_NULL_POINTER"}, + {STATUS_FWP_INVALID_ENUMERATOR, -EIO, "STATUS_FWP_INVALID_ENUMERATOR"}, + {STATUS_FWP_INVALID_FLAGS, -EIO, "STATUS_FWP_INVALID_FLAGS"}, + {STATUS_FWP_INVALID_NET_MASK, -EIO, "STATUS_FWP_INVALID_NET_MASK"}, + {STATUS_FWP_INVALID_RANGE, -EIO, "STATUS_FWP_INVALID_RANGE"}, + {STATUS_FWP_INVALID_INTERVAL, -EIO, "STATUS_FWP_INVALID_INTERVAL"}, + {STATUS_FWP_ZERO_LENGTH_ARRAY, -EIO, "STATUS_FWP_ZERO_LENGTH_ARRAY"}, + {STATUS_FWP_NULL_DISPLAY_NAME, -EIO, "STATUS_FWP_NULL_DISPLAY_NAME"}, + {STATUS_FWP_INVALID_ACTION_TYPE, -EIO, + "STATUS_FWP_INVALID_ACTION_TYPE"}, + {STATUS_FWP_INVALID_WEIGHT, -EIO, "STATUS_FWP_INVALID_WEIGHT"}, + {STATUS_FWP_MATCH_TYPE_MISMATCH, -EIO, + "STATUS_FWP_MATCH_TYPE_MISMATCH"}, + {STATUS_FWP_TYPE_MISMATCH, -EIO, "STATUS_FWP_TYPE_MISMATCH"}, + {STATUS_FWP_OUT_OF_BOUNDS, -EIO, "STATUS_FWP_OUT_OF_BOUNDS"}, + {STATUS_FWP_RESERVED, -EIO, "STATUS_FWP_RESERVED"}, + {STATUS_FWP_DUPLICATE_CONDITION, -EIO, + "STATUS_FWP_DUPLICATE_CONDITION"}, + {STATUS_FWP_DUPLICATE_KEYMOD, -EIO, "STATUS_FWP_DUPLICATE_KEYMOD"}, + {STATUS_FWP_ACTION_INCOMPATIBLE_WITH_LAYER, -EIO, + "STATUS_FWP_ACTION_INCOMPATIBLE_WITH_LAYER"}, + {STATUS_FWP_ACTION_INCOMPATIBLE_WITH_SUBLAYER, -EIO, + "STATUS_FWP_ACTION_INCOMPATIBLE_WITH_SUBLAYER"}, + {STATUS_FWP_CONTEXT_INCOMPATIBLE_WITH_LAYER, -EIO, + "STATUS_FWP_CONTEXT_INCOMPATIBLE_WITH_LAYER"}, + {STATUS_FWP_CONTEXT_INCOMPATIBLE_WITH_CALLOUT, -EIO, + "STATUS_FWP_CONTEXT_INCOMPATIBLE_WITH_CALLOUT"}, + {STATUS_FWP_INCOMPATIBLE_AUTH_METHOD, -EIO, + "STATUS_FWP_INCOMPATIBLE_AUTH_METHOD"}, + {STATUS_FWP_INCOMPATIBLE_DH_GROUP, -EIO, + "STATUS_FWP_INCOMPATIBLE_DH_GROUP"}, + {STATUS_FWP_EM_NOT_SUPPORTED, -EOPNOTSUPP, + "STATUS_FWP_EM_NOT_SUPPORTED"}, + {STATUS_FWP_NEVER_MATCH, -EIO, "STATUS_FWP_NEVER_MATCH"}, + {STATUS_FWP_PROVIDER_CONTEXT_MISMATCH, -EIO, + "STATUS_FWP_PROVIDER_CONTEXT_MISMATCH"}, + {STATUS_FWP_INVALID_PARAMETER, -EIO, "STATUS_FWP_INVALID_PARAMETER"}, + {STATUS_FWP_TOO_MANY_SUBLAYERS, -EIO, "STATUS_FWP_TOO_MANY_SUBLAYERS"}, + {STATUS_FWP_CALLOUT_NOTIFICATION_FAILED, -EIO, + "STATUS_FWP_CALLOUT_NOTIFICATION_FAILED"}, + {STATUS_FWP_INCOMPATIBLE_AUTH_CONFIG, -EIO, + "STATUS_FWP_INCOMPATIBLE_AUTH_CONFIG"}, + {STATUS_FWP_INCOMPATIBLE_CIPHER_CONFIG, -EIO, + "STATUS_FWP_INCOMPATIBLE_CIPHER_CONFIG"}, + {STATUS_FWP_TCPIP_NOT_READY, -EIO, "STATUS_FWP_TCPIP_NOT_READY"}, + {STATUS_FWP_INJECT_HANDLE_CLOSING, -EIO, + "STATUS_FWP_INJECT_HANDLE_CLOSING"}, + {STATUS_FWP_INJECT_HANDLE_STALE, -EIO, + "STATUS_FWP_INJECT_HANDLE_STALE"}, + {STATUS_FWP_CANNOT_PEND, -EIO, "STATUS_FWP_CANNOT_PEND"}, + {STATUS_NDIS_CLOSING, -EIO, "STATUS_NDIS_CLOSING"}, + {STATUS_NDIS_BAD_VERSION, -EIO, "STATUS_NDIS_BAD_VERSION"}, + {STATUS_NDIS_BAD_CHARACTERISTICS, -EIO, + "STATUS_NDIS_BAD_CHARACTERISTICS"}, + {STATUS_NDIS_ADAPTER_NOT_FOUND, -EIO, "STATUS_NDIS_ADAPTER_NOT_FOUND"}, + {STATUS_NDIS_OPEN_FAILED, -EIO, "STATUS_NDIS_OPEN_FAILED"}, + {STATUS_NDIS_DEVICE_FAILED, -EIO, "STATUS_NDIS_DEVICE_FAILED"}, + {STATUS_NDIS_MULTICAST_FULL, -EIO, "STATUS_NDIS_MULTICAST_FULL"}, + {STATUS_NDIS_MULTICAST_EXISTS, -EIO, "STATUS_NDIS_MULTICAST_EXISTS"}, + {STATUS_NDIS_MULTICAST_NOT_FOUND, -EIO, + "STATUS_NDIS_MULTICAST_NOT_FOUND"}, + {STATUS_NDIS_REQUEST_ABORTED, -EIO, "STATUS_NDIS_REQUEST_ABORTED"}, + {STATUS_NDIS_RESET_IN_PROGRESS, -EIO, "STATUS_NDIS_RESET_IN_PROGRESS"}, + {STATUS_NDIS_INVALID_PACKET, -EIO, "STATUS_NDIS_INVALID_PACKET"}, + {STATUS_NDIS_INVALID_DEVICE_REQUEST, -EIO, + "STATUS_NDIS_INVALID_DEVICE_REQUEST"}, + {STATUS_NDIS_ADAPTER_NOT_READY, -EIO, "STATUS_NDIS_ADAPTER_NOT_READY"}, + {STATUS_NDIS_INVALID_LENGTH, -EIO, "STATUS_NDIS_INVALID_LENGTH"}, + {STATUS_NDIS_INVALID_DATA, -EIO, "STATUS_NDIS_INVALID_DATA"}, + {STATUS_NDIS_BUFFER_TOO_SHORT, -ENOBUFS, + "STATUS_NDIS_BUFFER_TOO_SHORT"}, + {STATUS_NDIS_INVALID_OID, -EIO, "STATUS_NDIS_INVALID_OID"}, + {STATUS_NDIS_ADAPTER_REMOVED, -EIO, "STATUS_NDIS_ADAPTER_REMOVED"}, + {STATUS_NDIS_UNSUPPORTED_MEDIA, -EIO, "STATUS_NDIS_UNSUPPORTED_MEDIA"}, + {STATUS_NDIS_GROUP_ADDRESS_IN_USE, -EIO, + "STATUS_NDIS_GROUP_ADDRESS_IN_USE"}, + {STATUS_NDIS_FILE_NOT_FOUND, -EIO, "STATUS_NDIS_FILE_NOT_FOUND"}, + {STATUS_NDIS_ERROR_READING_FILE, -EIO, + "STATUS_NDIS_ERROR_READING_FILE"}, + {STATUS_NDIS_ALREADY_MAPPED, -EIO, "STATUS_NDIS_ALREADY_MAPPED"}, + {STATUS_NDIS_RESOURCE_CONFLICT, -EIO, "STATUS_NDIS_RESOURCE_CONFLICT"}, + {STATUS_NDIS_MEDIA_DISCONNECTED, -EIO, + "STATUS_NDIS_MEDIA_DISCONNECTED"}, + {STATUS_NDIS_INVALID_ADDRESS, -EIO, "STATUS_NDIS_INVALID_ADDRESS"}, + {STATUS_NDIS_PAUSED, -EIO, "STATUS_NDIS_PAUSED"}, + {STATUS_NDIS_INTERFACE_NOT_FOUND, -EIO, + "STATUS_NDIS_INTERFACE_NOT_FOUND"}, + {STATUS_NDIS_UNSUPPORTED_REVISION, -EIO, + "STATUS_NDIS_UNSUPPORTED_REVISION"}, + {STATUS_NDIS_INVALID_PORT, -EIO, "STATUS_NDIS_INVALID_PORT"}, + {STATUS_NDIS_INVALID_PORT_STATE, -EIO, + "STATUS_NDIS_INVALID_PORT_STATE"}, + {STATUS_NDIS_LOW_POWER_STATE, -EIO, "STATUS_NDIS_LOW_POWER_STATE"}, + {STATUS_NDIS_NOT_SUPPORTED, -ENOSYS, "STATUS_NDIS_NOT_SUPPORTED"}, + {STATUS_NDIS_DOT11_AUTO_CONFIG_ENABLED, -EIO, + "STATUS_NDIS_DOT11_AUTO_CONFIG_ENABLED"}, + {STATUS_NDIS_DOT11_MEDIA_IN_USE, -EIO, + "STATUS_NDIS_DOT11_MEDIA_IN_USE"}, + {STATUS_NDIS_DOT11_POWER_STATE_INVALID, -EIO, + "STATUS_NDIS_DOT11_POWER_STATE_INVALID"}, + {STATUS_IPSEC_BAD_SPI, -EIO, "STATUS_IPSEC_BAD_SPI"}, + {STATUS_IPSEC_SA_LIFETIME_EXPIRED, -EIO, + "STATUS_IPSEC_SA_LIFETIME_EXPIRED"}, + {STATUS_IPSEC_WRONG_SA, -EIO, "STATUS_IPSEC_WRONG_SA"}, + {STATUS_IPSEC_REPLAY_CHECK_FAILED, -EIO, + "STATUS_IPSEC_REPLAY_CHECK_FAILED"}, + {STATUS_IPSEC_INVALID_PACKET, -EIO, "STATUS_IPSEC_INVALID_PACKET"}, + {STATUS_IPSEC_INTEGRITY_CHECK_FAILED, -EIO, + "STATUS_IPSEC_INTEGRITY_CHECK_FAILED"}, + {STATUS_IPSEC_CLEAR_TEXT_DROP, -EIO, "STATUS_IPSEC_CLEAR_TEXT_DROP"}, + {0, 0, NULL} +}; + +/***************************************************************************** + Print an error message from the status code + *****************************************************************************/ +static void +smb2_print_status(__le32 status) +{ + int idx = 0; + + while (smb2_error_map_table[idx].status_string != NULL) { + if ((smb2_error_map_table[idx].smb2_status) == status) { + pr_notice("Status code returned 0x%08x %s\n", status, + smb2_error_map_table[idx].status_string); + } + idx++; + } + return; +} + +int +map_smb2_to_linux_error(char *buf, bool log_err) +{ + struct smb2_hdr *hdr = (struct smb2_hdr *)buf; + unsigned int i; + int rc = -EIO; + __le32 smb2err = hdr->Status; + + if (smb2err == 0) + return 0; + + /* mask facility */ + if (log_err && (smb2err != (STATUS_MORE_PROCESSING_REQUIRED))) + smb2_print_status(smb2err); + else if (cifsFYI & CIFS_RC) + smb2_print_status(smb2err); + + for (i = 0; i < sizeof(smb2_error_map_table) / + sizeof(struct status_to_posix_error); i++) { + if (smb2_error_map_table[i].smb2_status == smb2err) { + rc = smb2_error_map_table[i].posix_error; + break; + } + } + + /* on error mapping not found - return EIO */ + + cFYI(1, "Mapping SMB2 status code %d to POSIX err %d", + smb2err, rc); + + return rc; +} diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c new file mode 100644 index 000000000000..a4ff5d547554 --- /dev/null +++ b/fs/cifs/smb2misc.c @@ -0,0 +1,347 @@ +/* + * fs/cifs/smb2misc.c + * + * Copyright (C) International Business Machines Corp., 2002,2011 + * Etersoft, 2012 + * Author(s): Steve French (sfrench@us.ibm.com) + * Pavel Shilovsky (pshilovsky@samba.org) 2012 + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/ctype.h> +#include "smb2pdu.h" +#include "cifsglob.h" +#include "cifsproto.h" +#include "smb2proto.h" +#include "cifs_debug.h" +#include "cifs_unicode.h" +#include "smb2status.h" + +static int +check_smb2_hdr(struct smb2_hdr *hdr, __u64 mid) +{ + /* + * Make sure that this really is an SMB, that it is a response, + * and that the message ids match. + */ + if ((*(__le32 *)hdr->ProtocolId == SMB2_PROTO_NUMBER) && + (mid == hdr->MessageId)) { + if (hdr->Flags & SMB2_FLAGS_SERVER_TO_REDIR) + return 0; + else { + /* only one valid case where server sends us request */ + if (hdr->Command == SMB2_OPLOCK_BREAK) + return 0; + else + cERROR(1, "Received Request not response"); + } + } else { /* bad signature or mid */ + if (*(__le32 *)hdr->ProtocolId != SMB2_PROTO_NUMBER) + cERROR(1, "Bad protocol string signature header %x", + *(unsigned int *) hdr->ProtocolId); + if (mid != hdr->MessageId) + cERROR(1, "Mids do not match"); + } + cERROR(1, "Bad SMB detected. The Mid=%llu", hdr->MessageId); + return 1; +} + +/* + * The following table defines the expected "StructureSize" of SMB2 responses + * in order by SMB2 command. This is similar to "wct" in SMB/CIFS responses. + * + * Note that commands are defined in smb2pdu.h in le16 but the array below is + * indexed by command in host byte order + */ +static const __le16 smb2_rsp_struct_sizes[NUMBER_OF_SMB2_COMMANDS] = { + /* SMB2_NEGOTIATE */ __constant_cpu_to_le16(65), + /* SMB2_SESSION_SETUP */ __constant_cpu_to_le16(9), + /* SMB2_LOGOFF */ __constant_cpu_to_le16(4), + /* SMB2_TREE_CONNECT */ __constant_cpu_to_le16(16), + /* SMB2_TREE_DISCONNECT */ __constant_cpu_to_le16(4), + /* SMB2_CREATE */ __constant_cpu_to_le16(89), + /* SMB2_CLOSE */ __constant_cpu_to_le16(60), + /* SMB2_FLUSH */ __constant_cpu_to_le16(4), + /* SMB2_READ */ __constant_cpu_to_le16(17), + /* SMB2_WRITE */ __constant_cpu_to_le16(17), + /* SMB2_LOCK */ __constant_cpu_to_le16(4), + /* SMB2_IOCTL */ __constant_cpu_to_le16(49), + /* BB CHECK this ... not listed in documentation */ + /* SMB2_CANCEL */ __constant_cpu_to_le16(0), + /* SMB2_ECHO */ __constant_cpu_to_le16(4), + /* SMB2_QUERY_DIRECTORY */ __constant_cpu_to_le16(9), + /* SMB2_CHANGE_NOTIFY */ __constant_cpu_to_le16(9), + /* SMB2_QUERY_INFO */ __constant_cpu_to_le16(9), + /* SMB2_SET_INFO */ __constant_cpu_to_le16(2), + /* BB FIXME can also be 44 for lease break */ + /* SMB2_OPLOCK_BREAK */ __constant_cpu_to_le16(24) +}; + +int +smb2_check_message(char *buf, unsigned int length) +{ + struct smb2_hdr *hdr = (struct smb2_hdr *)buf; + struct smb2_pdu *pdu = (struct smb2_pdu *)hdr; + __u64 mid = hdr->MessageId; + __u32 len = get_rfc1002_length(buf); + __u32 clc_len; /* calculated length */ + int command; + + /* BB disable following printk later */ + cFYI(1, "%s length: 0x%x, smb_buf_length: 0x%x", __func__, length, len); + + /* + * Add function to do table lookup of StructureSize by command + * ie Validate the wct via smb2_struct_sizes table above + */ + + if (length < 2 + sizeof(struct smb2_hdr)) { + if ((length >= sizeof(struct smb2_hdr)) && (hdr->Status != 0)) { + pdu->StructureSize2 = 0; + /* + * As with SMB/CIFS, on some error cases servers may + * not return wct properly + */ + return 0; + } else { + cERROR(1, "Length less than SMB header size"); + } + return 1; + } + if (len > CIFSMaxBufSize + MAX_SMB2_HDR_SIZE - 4) { + cERROR(1, "SMB length greater than maximum, mid=%lld", mid); + return 1; + } + + if (check_smb2_hdr(hdr, mid)) + return 1; + + if (hdr->StructureSize != SMB2_HEADER_SIZE) { + cERROR(1, "Illegal structure size %d", + le16_to_cpu(hdr->StructureSize)); + return 1; + } + + command = le16_to_cpu(hdr->Command); + if (command >= NUMBER_OF_SMB2_COMMANDS) { + cERROR(1, "Illegal SMB2 command %d", command); + return 1; + } + + if (smb2_rsp_struct_sizes[command] != pdu->StructureSize2) { + if (hdr->Status == 0 || + pdu->StructureSize2 != SMB2_ERROR_STRUCTURE_SIZE2) { + /* error packets have 9 byte structure size */ + cERROR(1, "Illegal response size %u for command %d", + le16_to_cpu(pdu->StructureSize2), command); + return 1; + } + } + + if (4 + len != length) { + cERROR(1, "Total length %u RFC1002 length %u mismatch mid %llu", + length, 4 + len, mid); + return 1; + } + + clc_len = smb2_calc_size(hdr); + + if (4 + len != clc_len) { + cFYI(1, "Calculated size %u length %u mismatch mid %llu", + clc_len, 4 + len, mid); + if (clc_len == 4 + len + 1) /* BB FIXME (fix samba) */ + return 0; /* BB workaround Samba 3 bug SessSetup rsp */ + return 1; + } + return 0; +} + +/* + * The size of the variable area depends on the offset and length fields + * located in different fields for various SMB2 responses. SMB2 responses + * with no variable length info, show an offset of zero for the offset field. + */ +static const bool has_smb2_data_area[NUMBER_OF_SMB2_COMMANDS] = { + /* SMB2_NEGOTIATE */ true, + /* SMB2_SESSION_SETUP */ true, + /* SMB2_LOGOFF */ false, + /* SMB2_TREE_CONNECT */ false, + /* SMB2_TREE_DISCONNECT */ false, + /* SMB2_CREATE */ true, + /* SMB2_CLOSE */ false, + /* SMB2_FLUSH */ false, + /* SMB2_READ */ true, + /* SMB2_WRITE */ false, + /* SMB2_LOCK */ false, + /* SMB2_IOCTL */ true, + /* SMB2_CANCEL */ false, /* BB CHECK this not listed in documentation */ + /* SMB2_ECHO */ false, + /* SMB2_QUERY_DIRECTORY */ true, + /* SMB2_CHANGE_NOTIFY */ true, + /* SMB2_QUERY_INFO */ true, + /* SMB2_SET_INFO */ false, + /* SMB2_OPLOCK_BREAK */ false +}; + +/* + * Returns the pointer to the beginning of the data area. Length of the data + * area and the offset to it (from the beginning of the smb are also returned. + */ +char * +smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr) +{ + *off = 0; + *len = 0; + + /* error responses do not have data area */ + if (hdr->Status && hdr->Status != STATUS_MORE_PROCESSING_REQUIRED && + (((struct smb2_err_rsp *)hdr)->StructureSize) == + SMB2_ERROR_STRUCTURE_SIZE2) + return NULL; + + /* + * Following commands have data areas so we have to get the location + * of the data buffer offset and data buffer length for the particular + * command. + */ + switch (hdr->Command) { + case SMB2_NEGOTIATE: + *off = le16_to_cpu( + ((struct smb2_negotiate_rsp *)hdr)->SecurityBufferOffset); + *len = le16_to_cpu( + ((struct smb2_negotiate_rsp *)hdr)->SecurityBufferLength); + break; + case SMB2_SESSION_SETUP: + *off = le16_to_cpu( + ((struct smb2_sess_setup_rsp *)hdr)->SecurityBufferOffset); + *len = le16_to_cpu( + ((struct smb2_sess_setup_rsp *)hdr)->SecurityBufferLength); + break; + case SMB2_CREATE: + *off = le32_to_cpu( + ((struct smb2_create_rsp *)hdr)->CreateContextsOffset); + *len = le32_to_cpu( + ((struct smb2_create_rsp *)hdr)->CreateContextsLength); + break; + case SMB2_QUERY_INFO: + *off = le16_to_cpu( + ((struct smb2_query_info_rsp *)hdr)->OutputBufferOffset); + *len = le32_to_cpu( + ((struct smb2_query_info_rsp *)hdr)->OutputBufferLength); + break; + case SMB2_READ: + case SMB2_QUERY_DIRECTORY: + case SMB2_IOCTL: + case SMB2_CHANGE_NOTIFY: + default: + /* BB FIXME for unimplemented cases above */ + cERROR(1, "no length check for command"); + break; + } + + /* + * Invalid length or offset probably means data area is invalid, but + * we have little choice but to ignore the data area in this case. + */ + if (*off > 4096) { + cERROR(1, "offset %d too large, data area ignored", *off); + *len = 0; + *off = 0; + } else if (*off < 0) { + cERROR(1, "negative offset %d to data invalid ignore data area", + *off); + *off = 0; + *len = 0; + } else if (*len < 0) { + cERROR(1, "negative data length %d invalid, data area ignored", + *len); + *len = 0; + } else if (*len > 128 * 1024) { + cERROR(1, "data area larger than 128K: %d", *len); + *len = 0; + } + + /* return pointer to beginning of data area, ie offset from SMB start */ + if ((*off != 0) && (*len != 0)) + return hdr->ProtocolId + *off; + else + return NULL; +} + +/* + * Calculate the size of the SMB message based on the fixed header + * portion, the number of word parameters and the data portion of the message. + */ +unsigned int +smb2_calc_size(struct smb2_hdr *hdr) +{ + struct smb2_pdu *pdu = (struct smb2_pdu *)hdr; + int offset; /* the offset from the beginning of SMB to data area */ + int data_length; /* the length of the variable length data area */ + /* Structure Size has already been checked to make sure it is 64 */ + int len = 4 + le16_to_cpu(pdu->hdr.StructureSize); + + /* + * StructureSize2, ie length of fixed parameter area has already + * been checked to make sure it is the correct length. + */ + len += le16_to_cpu(pdu->StructureSize2); + + if (has_smb2_data_area[le16_to_cpu(hdr->Command)] == false) + goto calc_size_exit; + + smb2_get_data_area_len(&offset, &data_length, hdr); + cFYI(1, "SMB2 data length %d offset %d", data_length, offset); + + if (data_length > 0) { + /* + * Check to make sure that data area begins after fixed area, + * Note that last byte of the fixed area is part of data area + * for some commands, typically those with odd StructureSize, + * so we must add one to the calculation (and 4 to account for + * the size of the RFC1001 hdr. + */ + if (offset + 4 + 1 < len) { + cERROR(1, "data area offset %d overlaps SMB2 header %d", + offset + 4 + 1, len); + data_length = 0; + } else { + len = 4 + offset + data_length; + } + } +calc_size_exit: + cFYI(1, "SMB2 len %d", len); + return len; +} + +/* Note: caller must free return buffer */ +__le16 * +cifs_convert_path_to_utf16(const char *from, struct cifs_sb_info *cifs_sb) +{ + int len; + const char *start_of_path; + __le16 *to; + + /* Windows doesn't allow paths beginning with \ */ + if (from[0] == '\\') + start_of_path = from + 1; + else + start_of_path = from; + to = cifs_strndup_to_utf16(start_of_path, PATH_MAX, &len, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + return to; +} diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index f065e89756a1..410cf925ea26 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -18,10 +18,314 @@ */ #include "cifsglob.h" +#include "smb2pdu.h" +#include "smb2proto.h" +#include "cifsproto.h" +#include "cifs_debug.h" + +static int +change_conf(struct TCP_Server_Info *server) +{ + server->credits += server->echo_credits + server->oplock_credits; + server->oplock_credits = server->echo_credits = 0; + switch (server->credits) { + case 0: + return -1; + case 1: + server->echoes = false; + server->oplocks = false; + cERROR(1, "disabling echoes and oplocks"); + break; + case 2: + server->echoes = true; + server->oplocks = false; + server->echo_credits = 1; + cFYI(1, "disabling oplocks"); + break; + default: + server->echoes = true; + server->oplocks = true; + server->echo_credits = 1; + server->oplock_credits = 1; + } + server->credits -= server->echo_credits + server->oplock_credits; + return 0; +} + +static void +smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add, + const int optype) +{ + int *val, rc = 0; + spin_lock(&server->req_lock); + val = server->ops->get_credits_field(server, optype); + *val += add; + server->in_flight--; + if (server->in_flight == 0 && (optype & CIFS_OP_MASK) != CIFS_NEG_OP) + rc = change_conf(server); + spin_unlock(&server->req_lock); + wake_up(&server->request_q); + if (rc) + cifs_reconnect(server); +} + +static void +smb2_set_credits(struct TCP_Server_Info *server, const int val) +{ + spin_lock(&server->req_lock); + server->credits = val; + spin_unlock(&server->req_lock); +} + +static int * +smb2_get_credits_field(struct TCP_Server_Info *server, const int optype) +{ + switch (optype) { + case CIFS_ECHO_OP: + return &server->echo_credits; + case CIFS_OBREAK_OP: + return &server->oplock_credits; + default: + return &server->credits; + } +} + +static unsigned int +smb2_get_credits(struct mid_q_entry *mid) +{ + return le16_to_cpu(((struct smb2_hdr *)mid->resp_buf)->CreditRequest); +} + +static __u64 +smb2_get_next_mid(struct TCP_Server_Info *server) +{ + __u64 mid; + /* for SMB2 we need the current value */ + spin_lock(&GlobalMid_Lock); + mid = server->CurrentMid++; + spin_unlock(&GlobalMid_Lock); + return mid; +} + +static struct mid_q_entry * +smb2_find_mid(struct TCP_Server_Info *server, char *buf) +{ + struct mid_q_entry *mid; + struct smb2_hdr *hdr = (struct smb2_hdr *)buf; + + spin_lock(&GlobalMid_Lock); + list_for_each_entry(mid, &server->pending_mid_q, qhead) { + if ((mid->mid == hdr->MessageId) && + (mid->mid_state == MID_REQUEST_SUBMITTED) && + (mid->command == hdr->Command)) { + spin_unlock(&GlobalMid_Lock); + return mid; + } + } + spin_unlock(&GlobalMid_Lock); + return NULL; +} + +static void +smb2_dump_detail(void *buf) +{ +#ifdef CONFIG_CIFS_DEBUG2 + struct smb2_hdr *smb = (struct smb2_hdr *)buf; + + cERROR(1, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d", + smb->Command, smb->Status, smb->Flags, smb->MessageId, + smb->ProcessId); + cERROR(1, "smb buf %p len %u", smb, smb2_calc_size(smb)); +#endif +} + +static bool +smb2_need_neg(struct TCP_Server_Info *server) +{ + return server->max_read == 0; +} + +static int +smb2_negotiate(const unsigned int xid, struct cifs_ses *ses) +{ + int rc; + ses->server->CurrentMid = 0; + rc = SMB2_negotiate(xid, ses); + /* BB we probably don't need to retry with modern servers */ + if (rc == -EAGAIN) + rc = -EHOSTDOWN; + return rc; +} + +static int +smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, const char *full_path) +{ + int rc; + __u64 persistent_fid, volatile_fid; + __le16 *utf16_path; + + utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); + if (!utf16_path) + return -ENOMEM; + + rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid, + FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0); + if (rc) { + kfree(utf16_path); + return rc; + } + + rc = SMB2_close(xid, tcon, persistent_fid, volatile_fid); + kfree(utf16_path); + return rc; +} + +static int +smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, const char *full_path, + u64 *uniqueid, FILE_ALL_INFO *data) +{ + *uniqueid = le64_to_cpu(data->IndexNumber); + return 0; +} + +static char * +smb2_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb, + struct cifs_tcon *tcon) +{ + int pplen = vol->prepath ? strlen(vol->prepath) : 0; + char *full_path = NULL; + + /* if no prefix path, simply set path to the root of share to "" */ + if (pplen == 0) { + full_path = kzalloc(2, GFP_KERNEL); + return full_path; + } + + cERROR(1, "prefixpath is not supported for SMB2 now"); + return NULL; +} + +static bool +smb2_can_echo(struct TCP_Server_Info *server) +{ + return server->echoes; +} + +static void +smb2_clear_stats(struct cifs_tcon *tcon) +{ +#ifdef CONFIG_CIFS_STATS + int i; + for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) { + atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); + atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); + } +#endif +} + +static void +smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon) +{ +#ifdef CONFIG_CIFS_STATS + atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent; + atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed; + seq_printf(m, "\nNegotiates: %d sent %d failed", + atomic_read(&sent[SMB2_NEGOTIATE_HE]), + atomic_read(&failed[SMB2_NEGOTIATE_HE])); + seq_printf(m, "\nSessionSetups: %d sent %d failed", + atomic_read(&sent[SMB2_SESSION_SETUP_HE]), + atomic_read(&failed[SMB2_SESSION_SETUP_HE])); +#define SMB2LOGOFF 0x0002 /* trivial request/resp */ + seq_printf(m, "\nLogoffs: %d sent %d failed", + atomic_read(&sent[SMB2_LOGOFF_HE]), + atomic_read(&failed[SMB2_LOGOFF_HE])); + seq_printf(m, "\nTreeConnects: %d sent %d failed", + atomic_read(&sent[SMB2_TREE_CONNECT_HE]), + atomic_read(&failed[SMB2_TREE_CONNECT_HE])); + seq_printf(m, "\nTreeDisconnects: %d sent %d failed", + atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]), + atomic_read(&failed[SMB2_TREE_DISCONNECT_HE])); + seq_printf(m, "\nCreates: %d sent %d failed", + atomic_read(&sent[SMB2_CREATE_HE]), + atomic_read(&failed[SMB2_CREATE_HE])); + seq_printf(m, "\nCloses: %d sent %d failed", + atomic_read(&sent[SMB2_CLOSE_HE]), + atomic_read(&failed[SMB2_CLOSE_HE])); + seq_printf(m, "\nFlushes: %d sent %d failed", + atomic_read(&sent[SMB2_FLUSH_HE]), + atomic_read(&failed[SMB2_FLUSH_HE])); + seq_printf(m, "\nReads: %d sent %d failed", + atomic_read(&sent[SMB2_READ_HE]), + atomic_read(&failed[SMB2_READ_HE])); + seq_printf(m, "\nWrites: %d sent %d failed", + atomic_read(&sent[SMB2_WRITE_HE]), + atomic_read(&failed[SMB2_WRITE_HE])); + seq_printf(m, "\nLocks: %d sent %d failed", + atomic_read(&sent[SMB2_LOCK_HE]), + atomic_read(&failed[SMB2_LOCK_HE])); + seq_printf(m, "\nIOCTLs: %d sent %d failed", + atomic_read(&sent[SMB2_IOCTL_HE]), + atomic_read(&failed[SMB2_IOCTL_HE])); + seq_printf(m, "\nCancels: %d sent %d failed", + atomic_read(&sent[SMB2_CANCEL_HE]), + atomic_read(&failed[SMB2_CANCEL_HE])); + seq_printf(m, "\nEchos: %d sent %d failed", + atomic_read(&sent[SMB2_ECHO_HE]), + atomic_read(&failed[SMB2_ECHO_HE])); + seq_printf(m, "\nQueryDirectories: %d sent %d failed", + atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]), + atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE])); + seq_printf(m, "\nChangeNotifies: %d sent %d failed", + atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]), + atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE])); + seq_printf(m, "\nQueryInfos: %d sent %d failed", + atomic_read(&sent[SMB2_QUERY_INFO_HE]), + atomic_read(&failed[SMB2_QUERY_INFO_HE])); + seq_printf(m, "\nSetInfos: %d sent %d failed", + atomic_read(&sent[SMB2_SET_INFO_HE]), + atomic_read(&failed[SMB2_SET_INFO_HE])); + seq_printf(m, "\nOplockBreaks: %d sent %d failed", + atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]), + atomic_read(&failed[SMB2_OPLOCK_BREAK_HE])); +#endif +} struct smb_version_operations smb21_operations = { + .setup_request = smb2_setup_request, + .setup_async_request = smb2_setup_async_request, + .check_receive = smb2_check_receive, + .add_credits = smb2_add_credits, + .set_credits = smb2_set_credits, + .get_credits_field = smb2_get_credits_field, + .get_credits = smb2_get_credits, + .get_next_mid = smb2_get_next_mid, + .find_mid = smb2_find_mid, + .check_message = smb2_check_message, + .dump_detail = smb2_dump_detail, + .clear_stats = smb2_clear_stats, + .print_stats = smb2_print_stats, + .need_neg = smb2_need_neg, + .negotiate = smb2_negotiate, + .sess_setup = SMB2_sess_setup, + .logoff = SMB2_logoff, + .tree_connect = SMB2_tcon, + .tree_disconnect = SMB2_tdis, + .is_path_accessible = smb2_is_path_accessible, + .can_echo = smb2_can_echo, + .echo = SMB2_echo, + .query_path_info = smb2_query_path_info, + .get_srv_inum = smb2_get_srv_inum, + .build_path_to_root = smb2_build_path_to_root, }; struct smb_version_values smb21_values = { .version_string = SMB21_VERSION_STRING, + .header_size = sizeof(struct smb2_hdr), + .max_header_size = MAX_SMB2_HDR_SIZE, + .lock_cmd = SMB2_LOCK, + .cap_unix = 0, + .cap_nt_find = SMB2_NT_FIND, + .cap_large_files = SMB2_LARGE_FILES, }; diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c new file mode 100644 index 000000000000..62b3f17d0613 --- /dev/null +++ b/fs/cifs/smb2pdu.c @@ -0,0 +1,1125 @@ +/* + * fs/cifs/smb2pdu.c + * + * Copyright (C) International Business Machines Corp., 2009, 2011 + * Etersoft, 2012 + * Author(s): Steve French (sfrench@us.ibm.com) + * Pavel Shilovsky (pshilovsky@samba.org) 2012 + * + * Contains the routines for constructing the SMB2 PDUs themselves + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + /* SMB2 PDU handling routines here - except for leftovers (eg session setup) */ + /* Note that there are handle based routines which must be */ + /* treated slightly differently for reconnection purposes since we never */ + /* want to reuse a stale file handle and only the caller knows the file info */ + +#include <linux/fs.h> +#include <linux/kernel.h> +#include <linux/vfs.h> +#include <linux/uaccess.h> +#include <linux/xattr.h> +#include "smb2pdu.h" +#include "cifsglob.h" +#include "cifsacl.h" +#include "cifsproto.h" +#include "smb2proto.h" +#include "cifs_unicode.h" +#include "cifs_debug.h" +#include "ntlmssp.h" +#include "smb2status.h" + +/* + * The following table defines the expected "StructureSize" of SMB2 requests + * in order by SMB2 command. This is similar to "wct" in SMB/CIFS requests. + * + * Note that commands are defined in smb2pdu.h in le16 but the array below is + * indexed by command in host byte order. + */ +static const int smb2_req_struct_sizes[NUMBER_OF_SMB2_COMMANDS] = { + /* SMB2_NEGOTIATE */ 36, + /* SMB2_SESSION_SETUP */ 25, + /* SMB2_LOGOFF */ 4, + /* SMB2_TREE_CONNECT */ 9, + /* SMB2_TREE_DISCONNECT */ 4, + /* SMB2_CREATE */ 57, + /* SMB2_CLOSE */ 24, + /* SMB2_FLUSH */ 24, + /* SMB2_READ */ 49, + /* SMB2_WRITE */ 49, + /* SMB2_LOCK */ 48, + /* SMB2_IOCTL */ 57, + /* SMB2_CANCEL */ 4, + /* SMB2_ECHO */ 4, + /* SMB2_QUERY_DIRECTORY */ 33, + /* SMB2_CHANGE_NOTIFY */ 32, + /* SMB2_QUERY_INFO */ 41, + /* SMB2_SET_INFO */ 33, + /* SMB2_OPLOCK_BREAK */ 24 /* BB this is 36 for LEASE_BREAK variant */ +}; + + +static void +smb2_hdr_assemble(struct smb2_hdr *hdr, __le16 smb2_cmd /* command */ , + const struct cifs_tcon *tcon) +{ + struct smb2_pdu *pdu = (struct smb2_pdu *)hdr; + char *temp = (char *)hdr; + /* lookup word count ie StructureSize from table */ + __u16 parmsize = smb2_req_struct_sizes[le16_to_cpu(smb2_cmd)]; + + /* + * smaller than SMALL_BUFFER_SIZE but bigger than fixed area of + * largest operations (Create) + */ + memset(temp, 0, 256); + + /* Note this is only network field converted to big endian */ + hdr->smb2_buf_length = cpu_to_be32(parmsize + sizeof(struct smb2_hdr) + - 4 /* RFC 1001 length field itself not counted */); + + hdr->ProtocolId[0] = 0xFE; + hdr->ProtocolId[1] = 'S'; + hdr->ProtocolId[2] = 'M'; + hdr->ProtocolId[3] = 'B'; + hdr->StructureSize = cpu_to_le16(64); + hdr->Command = smb2_cmd; + hdr->CreditRequest = cpu_to_le16(2); /* BB make this dynamic */ + hdr->ProcessId = cpu_to_le32((__u16)current->tgid); + + if (!tcon) + goto out; + + hdr->TreeId = tcon->tid; + /* Uid is not converted */ + if (tcon->ses) + hdr->SessionId = tcon->ses->Suid; + /* BB check following DFS flags BB */ + /* BB do we have to add check for SHI1005_FLAGS_DFS_ROOT too? */ + if (tcon->share_flags & SHI1005_FLAGS_DFS) + hdr->Flags |= SMB2_FLAGS_DFS_OPERATIONS; + /* BB how does SMB2 do case sensitive? */ + /* if (tcon->nocase) + hdr->Flags |= SMBFLG_CASELESS; */ + /* if (tcon->ses && tcon->ses->server && + (tcon->ses->server->sec_mode & SECMODE_SIGN_REQUIRED)) + hdr->Flags |= SMB2_FLAGS_SIGNED; */ +out: + pdu->StructureSize2 = cpu_to_le16(parmsize); + return; +} + +static int +smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon) +{ + int rc = 0; + struct nls_table *nls_codepage; + struct cifs_ses *ses; + struct TCP_Server_Info *server; + + /* + * SMB2s NegProt, SessSetup, Logoff do not have tcon yet so + * check for tcp and smb session status done differently + * for those three - in the calling routine. + */ + if (tcon == NULL) + return rc; + + if (smb2_command == SMB2_TREE_CONNECT) + return rc; + + if (tcon->tidStatus == CifsExiting) { + /* + * only tree disconnect, open, and write, + * (and ulogoff which does not have tcon) + * are allowed as we start force umount. + */ + if ((smb2_command != SMB2_WRITE) && + (smb2_command != SMB2_CREATE) && + (smb2_command != SMB2_TREE_DISCONNECT)) { + cFYI(1, "can not send cmd %d while umounting", + smb2_command); + return -ENODEV; + } + } + if ((!tcon->ses) || (tcon->ses->status == CifsExiting) || + (!tcon->ses->server)) + return -EIO; + + ses = tcon->ses; + server = ses->server; + + /* + * Give demultiplex thread up to 10 seconds to reconnect, should be + * greater than cifs socket timeout which is 7 seconds + */ + while (server->tcpStatus == CifsNeedReconnect) { + /* + * Return to caller for TREE_DISCONNECT and LOGOFF and CLOSE + * here since they are implicitly done when session drops. + */ + switch (smb2_command) { + /* + * BB Should we keep oplock break and add flush to exceptions? + */ + case SMB2_TREE_DISCONNECT: + case SMB2_CANCEL: + case SMB2_CLOSE: + case SMB2_OPLOCK_BREAK: + return -EAGAIN; + } + + wait_event_interruptible_timeout(server->response_q, + (server->tcpStatus != CifsNeedReconnect), 10 * HZ); + + /* are we still trying to reconnect? */ + if (server->tcpStatus != CifsNeedReconnect) + break; + + /* + * on "soft" mounts we wait once. Hard mounts keep + * retrying until process is killed or server comes + * back on-line + */ + if (!tcon->retry) { + cFYI(1, "gave up waiting on reconnect in smb_init"); + return -EHOSTDOWN; + } + } + + if (!tcon->ses->need_reconnect && !tcon->need_reconnect) + return rc; + + nls_codepage = load_nls_default(); + + /* + * need to prevent multiple threads trying to simultaneously reconnect + * the same SMB session + */ + mutex_lock(&tcon->ses->session_mutex); + rc = cifs_negotiate_protocol(0, tcon->ses); + if (!rc && tcon->ses->need_reconnect) + rc = cifs_setup_session(0, tcon->ses, nls_codepage); + + if (rc || !tcon->need_reconnect) { + mutex_unlock(&tcon->ses->session_mutex); + goto out; + } + + cifs_mark_open_files_invalid(tcon); + rc = SMB2_tcon(0, tcon->ses, tcon->treeName, tcon, nls_codepage); + mutex_unlock(&tcon->ses->session_mutex); + cFYI(1, "reconnect tcon rc = %d", rc); + if (rc) + goto out; + atomic_inc(&tconInfoReconnectCount); + /* + * BB FIXME add code to check if wsize needs update due to negotiated + * smb buffer size shrinking. + */ +out: + /* + * Check if handle based operation so we know whether we can continue + * or not without returning to caller to reset file handle. + */ + /* + * BB Is flush done by server on drop of tcp session? Should we special + * case it and skip above? + */ + switch (smb2_command) { + case SMB2_FLUSH: + case SMB2_READ: + case SMB2_WRITE: + case SMB2_LOCK: + case SMB2_IOCTL: + case SMB2_QUERY_DIRECTORY: + case SMB2_CHANGE_NOTIFY: + case SMB2_QUERY_INFO: + case SMB2_SET_INFO: + return -EAGAIN; + } + unload_nls(nls_codepage); + return rc; +} + +/* + * Allocate and return pointer to an SMB request hdr, and set basic + * SMB information in the SMB header. If the return code is zero, this + * function must have filled in request_buf pointer. + */ +static int +small_smb2_init(__le16 smb2_command, struct cifs_tcon *tcon, + void **request_buf) +{ + int rc = 0; + + rc = smb2_reconnect(smb2_command, tcon); + if (rc) + return rc; + + /* BB eventually switch this to SMB2 specific small buf size */ + *request_buf = cifs_small_buf_get(); + if (*request_buf == NULL) { + /* BB should we add a retry in here if not a writepage? */ + return -ENOMEM; + } + + smb2_hdr_assemble((struct smb2_hdr *) *request_buf, smb2_command, tcon); + + if (tcon != NULL) { +#ifdef CONFIG_CIFS_STATS2 + uint16_t com_code = le16_to_cpu(smb2_command); + cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_sent[com_code]); +#endif + cifs_stats_inc(&tcon->num_smbs_sent); + } + + return rc; +} + +static void +free_rsp_buf(int resp_buftype, void *rsp) +{ + if (resp_buftype == CIFS_SMALL_BUFFER) + cifs_small_buf_release(rsp); + else if (resp_buftype == CIFS_LARGE_BUFFER) + cifs_buf_release(rsp); +} + +#define SMB2_NUM_PROT 1 + +#define SMB2_PROT 0 +#define SMB21_PROT 1 +#define BAD_PROT 0xFFFF + +#define SMB2_PROT_ID 0x0202 +#define SMB21_PROT_ID 0x0210 +#define BAD_PROT_ID 0xFFFF + +static struct { + int index; + __le16 name; +} smb2protocols[] = { + {SMB2_PROT, cpu_to_le16(SMB2_PROT_ID)}, + {SMB21_PROT, cpu_to_le16(SMB21_PROT_ID)}, + {BAD_PROT, cpu_to_le16(BAD_PROT_ID)} +}; + +/* + * + * SMB2 Worker functions follow: + * + * The general structure of the worker functions is: + * 1) Call smb2_init (assembles SMB2 header) + * 2) Initialize SMB2 command specific fields in fixed length area of SMB + * 3) Call smb_sendrcv2 (sends request on socket and waits for response) + * 4) Decode SMB2 command specific fields in the fixed length area + * 5) Decode variable length data area (if any for this SMB2 command type) + * 6) Call free smb buffer + * 7) return + * + */ + +int +SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) +{ + struct smb2_negotiate_req *req; + struct smb2_negotiate_rsp *rsp; + struct kvec iov[1]; + int rc = 0; + int resp_buftype; + struct TCP_Server_Info *server; + unsigned int sec_flags; + u16 i; + u16 temp = 0; + int blob_offset, blob_length; + char *security_blob; + int flags = CIFS_NEG_OP; + + cFYI(1, "Negotiate protocol"); + + if (ses->server) + server = ses->server; + else { + rc = -EIO; + return rc; + } + + rc = small_smb2_init(SMB2_NEGOTIATE, NULL, (void **) &req); + if (rc) + return rc; + + /* if any of auth flags (ie not sign or seal) are overriden use them */ + if (ses->overrideSecFlg & (~(CIFSSEC_MUST_SIGN | CIFSSEC_MUST_SEAL))) + sec_flags = ses->overrideSecFlg; /* BB FIXME fix sign flags?*/ + else /* if override flags set only sign/seal OR them with global auth */ + sec_flags = global_secflags | ses->overrideSecFlg; + + cFYI(1, "sec_flags 0x%x", sec_flags); + + req->hdr.SessionId = 0; + + for (i = 0; i < SMB2_NUM_PROT; i++) + req->Dialects[i] = smb2protocols[i].name; + + req->DialectCount = cpu_to_le16(i); + inc_rfc1001_len(req, i * 2); + + /* only one of SMB2 signing flags may be set in SMB2 request */ + if ((sec_flags & CIFSSEC_MUST_SIGN) == CIFSSEC_MUST_SIGN) + temp = SMB2_NEGOTIATE_SIGNING_REQUIRED; + else if (sec_flags & CIFSSEC_MAY_SIGN) /* MAY_SIGN is a single flag */ + temp = SMB2_NEGOTIATE_SIGNING_ENABLED; + + req->SecurityMode = cpu_to_le16(temp); + + req->Capabilities = cpu_to_le32(SMB2_GLOBAL_CAP_DFS); + + iov[0].iov_base = (char *)req; + /* 4 for rfc1002 length field */ + iov[0].iov_len = get_rfc1002_length(req) + 4; + + rc = SendReceive2(xid, ses, iov, 1, &resp_buftype, flags); + + rsp = (struct smb2_negotiate_rsp *)iov[0].iov_base; + /* + * No tcon so can't do + * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); + */ + if (rc != 0) + goto neg_exit; + + if (rsp == NULL) { + rc = -EIO; + goto neg_exit; + } + + cFYI(1, "mode 0x%x", rsp->SecurityMode); + + if (rsp->DialectRevision == smb2protocols[SMB21_PROT].name) + cFYI(1, "negotiated smb2.1 dialect"); + else if (rsp->DialectRevision == smb2protocols[SMB2_PROT].name) + cFYI(1, "negotiated smb2 dialect"); + else { + cERROR(1, "Illegal dialect returned by server %d", + le16_to_cpu(rsp->DialectRevision)); + rc = -EIO; + goto neg_exit; + } + server->dialect = le16_to_cpu(rsp->DialectRevision); + + server->maxBuf = le32_to_cpu(rsp->MaxTransactSize); + server->max_read = le32_to_cpu(rsp->MaxReadSize); + server->max_write = le32_to_cpu(rsp->MaxWriteSize); + /* BB Do we need to validate the SecurityMode? */ + server->sec_mode = le16_to_cpu(rsp->SecurityMode); + server->capabilities = le32_to_cpu(rsp->Capabilities); + /* Internal types */ + server->capabilities |= SMB2_NT_FIND | SMB2_LARGE_FILES; + + security_blob = smb2_get_data_area_len(&blob_offset, &blob_length, + &rsp->hdr); + if (blob_length == 0) { + cERROR(1, "missing security blob on negprot"); + rc = -EIO; + goto neg_exit; + } +#ifdef CONFIG_SMB2_ASN1 /* BB REMOVEME when updated asn1.c ready */ + rc = decode_neg_token_init(security_blob, blob_length, + &server->sec_type); + if (rc == 1) + rc = 0; + else if (rc == 0) { + rc = -EIO; + goto neg_exit; + } +#endif + +neg_exit: + free_rsp_buf(resp_buftype, rsp); + return rc; +} + +int +SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses, + const struct nls_table *nls_cp) +{ + struct smb2_sess_setup_req *req; + struct smb2_sess_setup_rsp *rsp = NULL; + struct kvec iov[2]; + int rc = 0; + int resp_buftype; + __le32 phase = NtLmNegotiate; /* NTLMSSP, if needed, is multistage */ + struct TCP_Server_Info *server; + unsigned int sec_flags; + u8 temp = 0; + u16 blob_length = 0; + char *security_blob; + char *ntlmssp_blob = NULL; + bool use_spnego = false; /* else use raw ntlmssp */ + + cFYI(1, "Session Setup"); + + if (ses->server) + server = ses->server; + else { + rc = -EIO; + return rc; + } + + /* + * If memory allocation is successful, caller of this function + * frees it. + */ + ses->ntlmssp = kmalloc(sizeof(struct ntlmssp_auth), GFP_KERNEL); + if (!ses->ntlmssp) + return -ENOMEM; + + ses->server->secType = RawNTLMSSP; + +ssetup_ntlmssp_authenticate: + if (phase == NtLmChallenge) + phase = NtLmAuthenticate; /* if ntlmssp, now final phase */ + + rc = small_smb2_init(SMB2_SESSION_SETUP, NULL, (void **) &req); + if (rc) + return rc; + + /* if any of auth flags (ie not sign or seal) are overriden use them */ + if (ses->overrideSecFlg & (~(CIFSSEC_MUST_SIGN | CIFSSEC_MUST_SEAL))) + sec_flags = ses->overrideSecFlg; /* BB FIXME fix sign flags?*/ + else /* if override flags set only sign/seal OR them with global auth */ + sec_flags = global_secflags | ses->overrideSecFlg; + + cFYI(1, "sec_flags 0x%x", sec_flags); + + req->hdr.SessionId = 0; /* First session, not a reauthenticate */ + req->VcNumber = 0; /* MBZ */ + /* to enable echos and oplocks */ + req->hdr.CreditRequest = cpu_to_le16(3); + + /* only one of SMB2 signing flags may be set in SMB2 request */ + if ((sec_flags & CIFSSEC_MUST_SIGN) == CIFSSEC_MUST_SIGN) + temp = SMB2_NEGOTIATE_SIGNING_REQUIRED; + else if (ses->server->sec_mode & SMB2_NEGOTIATE_SIGNING_REQUIRED) + temp = SMB2_NEGOTIATE_SIGNING_REQUIRED; + else if (sec_flags & CIFSSEC_MAY_SIGN) /* MAY_SIGN is a single flag */ + temp = SMB2_NEGOTIATE_SIGNING_ENABLED; + + req->SecurityMode = temp; + req->Capabilities = 0; + req->Channel = 0; /* MBZ */ + + iov[0].iov_base = (char *)req; + /* 4 for rfc1002 length field and 1 for pad */ + iov[0].iov_len = get_rfc1002_length(req) + 4 - 1; + if (phase == NtLmNegotiate) { + ntlmssp_blob = kmalloc(sizeof(struct _NEGOTIATE_MESSAGE), + GFP_KERNEL); + if (ntlmssp_blob == NULL) { + rc = -ENOMEM; + goto ssetup_exit; + } + build_ntlmssp_negotiate_blob(ntlmssp_blob, ses); + if (use_spnego) { + /* blob_length = build_spnego_ntlmssp_blob( + &security_blob, + sizeof(struct _NEGOTIATE_MESSAGE), + ntlmssp_blob); */ + /* BB eventually need to add this */ + cERROR(1, "spnego not supported for SMB2 yet"); + rc = -EOPNOTSUPP; + kfree(ntlmssp_blob); + goto ssetup_exit; + } else { + blob_length = sizeof(struct _NEGOTIATE_MESSAGE); + /* with raw NTLMSSP we don't encapsulate in SPNEGO */ + security_blob = ntlmssp_blob; + } + } else if (phase == NtLmAuthenticate) { + req->hdr.SessionId = ses->Suid; + ntlmssp_blob = kzalloc(sizeof(struct _NEGOTIATE_MESSAGE) + 500, + GFP_KERNEL); + if (ntlmssp_blob == NULL) { + cERROR(1, "failed to malloc ntlmssp blob"); + rc = -ENOMEM; + goto ssetup_exit; + } + rc = build_ntlmssp_auth_blob(ntlmssp_blob, &blob_length, ses, + nls_cp); + if (rc) { + cFYI(1, "build_ntlmssp_auth_blob failed %d", rc); + goto ssetup_exit; /* BB double check error handling */ + } + if (use_spnego) { + /* blob_length = build_spnego_ntlmssp_blob( + &security_blob, + blob_length, + ntlmssp_blob); */ + cERROR(1, "spnego not supported for SMB2 yet"); + rc = -EOPNOTSUPP; + kfree(ntlmssp_blob); + goto ssetup_exit; + } else { + security_blob = ntlmssp_blob; + } + } else { + cERROR(1, "illegal ntlmssp phase"); + rc = -EIO; + goto ssetup_exit; + } + + /* Testing shows that buffer offset must be at location of Buffer[0] */ + req->SecurityBufferOffset = + cpu_to_le16(sizeof(struct smb2_sess_setup_req) - + 1 /* pad */ - 4 /* rfc1001 len */); + req->SecurityBufferLength = cpu_to_le16(blob_length); + iov[1].iov_base = security_blob; + iov[1].iov_len = blob_length; + + inc_rfc1001_len(req, blob_length - 1 /* pad */); + + /* BB add code to build os and lm fields */ + + rc = SendReceive2(xid, ses, iov, 2, &resp_buftype, CIFS_LOG_ERROR); + + kfree(security_blob); + rsp = (struct smb2_sess_setup_rsp *)iov[0].iov_base; + if (rsp->hdr.Status == STATUS_MORE_PROCESSING_REQUIRED) { + if (phase != NtLmNegotiate) { + cERROR(1, "Unexpected more processing error"); + goto ssetup_exit; + } + if (offsetof(struct smb2_sess_setup_rsp, Buffer) - 4 != + le16_to_cpu(rsp->SecurityBufferOffset)) { + cERROR(1, "Invalid security buffer offset %d", + le16_to_cpu(rsp->SecurityBufferOffset)); + rc = -EIO; + goto ssetup_exit; + } + + /* NTLMSSP Negotiate sent now processing challenge (response) */ + phase = NtLmChallenge; /* process ntlmssp challenge */ + rc = 0; /* MORE_PROCESSING is not an error here but expected */ + ses->Suid = rsp->hdr.SessionId; + rc = decode_ntlmssp_challenge(rsp->Buffer, + le16_to_cpu(rsp->SecurityBufferLength), ses); + } + + /* + * BB eventually add code for SPNEGO decoding of NtlmChallenge blob, + * but at least the raw NTLMSSP case works. + */ + /* + * No tcon so can't do + * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); + */ + if (rc != 0) + goto ssetup_exit; + + if (rsp == NULL) { + rc = -EIO; + goto ssetup_exit; + } + + ses->session_flags = le16_to_cpu(rsp->SessionFlags); +ssetup_exit: + free_rsp_buf(resp_buftype, rsp); + + /* if ntlmssp, and negotiate succeeded, proceed to authenticate phase */ + if ((phase == NtLmChallenge) && (rc == 0)) + goto ssetup_ntlmssp_authenticate; + return rc; +} + +int +SMB2_logoff(const unsigned int xid, struct cifs_ses *ses) +{ + struct smb2_logoff_req *req; /* response is also trivial struct */ + int rc = 0; + struct TCP_Server_Info *server; + + cFYI(1, "disconnect session %p", ses); + + if (ses && (ses->server)) + server = ses->server; + else + return -EIO; + + rc = small_smb2_init(SMB2_LOGOFF, NULL, (void **) &req); + if (rc) + return rc; + + /* since no tcon, smb2_init can not do this, so do here */ + req->hdr.SessionId = ses->Suid; + + rc = SendReceiveNoRsp(xid, ses, (char *) &req->hdr, 0); + /* + * No tcon so can't do + * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); + */ + return rc; +} + +static inline void cifs_stats_fail_inc(struct cifs_tcon *tcon, uint16_t code) +{ + cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_failed[code]); +} + +#define MAX_SHARENAME_LENGTH (255 /* server */ + 80 /* share */ + 1 /* NULL */) + +int +SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree, + struct cifs_tcon *tcon, const struct nls_table *cp) +{ + struct smb2_tree_connect_req *req; + struct smb2_tree_connect_rsp *rsp = NULL; + struct kvec iov[2]; + int rc = 0; + int resp_buftype; + int unc_path_len; + struct TCP_Server_Info *server; + __le16 *unc_path = NULL; + + cFYI(1, "TCON"); + + if ((ses->server) && tree) + server = ses->server; + else + return -EIO; + + if (tcon && tcon->bad_network_name) + return -ENOENT; + + unc_path = kmalloc(MAX_SHARENAME_LENGTH * 2, GFP_KERNEL); + if (unc_path == NULL) + return -ENOMEM; + + unc_path_len = cifs_strtoUTF16(unc_path, tree, strlen(tree), cp) + 1; + unc_path_len *= 2; + if (unc_path_len < 2) { + kfree(unc_path); + return -EINVAL; + } + + rc = small_smb2_init(SMB2_TREE_CONNECT, tcon, (void **) &req); + if (rc) { + kfree(unc_path); + return rc; + } + + if (tcon == NULL) { + /* since no tcon, smb2_init can not do this, so do here */ + req->hdr.SessionId = ses->Suid; + /* if (ses->server->sec_mode & SECMODE_SIGN_REQUIRED) + req->hdr.Flags |= SMB2_FLAGS_SIGNED; */ + } + + iov[0].iov_base = (char *)req; + /* 4 for rfc1002 length field and 1 for pad */ + iov[0].iov_len = get_rfc1002_length(req) + 4 - 1; + + /* Testing shows that buffer offset must be at location of Buffer[0] */ + req->PathOffset = cpu_to_le16(sizeof(struct smb2_tree_connect_req) + - 1 /* pad */ - 4 /* do not count rfc1001 len field */); + req->PathLength = cpu_to_le16(unc_path_len - 2); + iov[1].iov_base = unc_path; + iov[1].iov_len = unc_path_len; + + inc_rfc1001_len(req, unc_path_len - 1 /* pad */); + + rc = SendReceive2(xid, ses, iov, 2, &resp_buftype, 0); + rsp = (struct smb2_tree_connect_rsp *)iov[0].iov_base; + + if (rc != 0) { + if (tcon) { + cifs_stats_fail_inc(tcon, SMB2_TREE_CONNECT_HE); + tcon->need_reconnect = true; + } + goto tcon_error_exit; + } + + if (rsp == NULL) { + rc = -EIO; + goto tcon_exit; + } + + if (tcon == NULL) { + ses->ipc_tid = rsp->hdr.TreeId; + goto tcon_exit; + } + + if (rsp->ShareType & SMB2_SHARE_TYPE_DISK) + cFYI(1, "connection to disk share"); + else if (rsp->ShareType & SMB2_SHARE_TYPE_PIPE) { + tcon->ipc = true; + cFYI(1, "connection to pipe share"); + } else if (rsp->ShareType & SMB2_SHARE_TYPE_PRINT) { + tcon->print = true; + cFYI(1, "connection to printer"); + } else { + cERROR(1, "unknown share type %d", rsp->ShareType); + rc = -EOPNOTSUPP; + goto tcon_error_exit; + } + + tcon->share_flags = le32_to_cpu(rsp->ShareFlags); + tcon->maximal_access = le32_to_cpu(rsp->MaximalAccess); + tcon->tidStatus = CifsGood; + tcon->need_reconnect = false; + tcon->tid = rsp->hdr.TreeId; + strncpy(tcon->treeName, tree, MAX_TREE_SIZE); + + if ((rsp->Capabilities & SMB2_SHARE_CAP_DFS) && + ((tcon->share_flags & SHI1005_FLAGS_DFS) == 0)) + cERROR(1, "DFS capability contradicts DFS flag"); + +tcon_exit: + free_rsp_buf(resp_buftype, rsp); + kfree(unc_path); + return rc; + +tcon_error_exit: + if (rsp->hdr.Status == STATUS_BAD_NETWORK_NAME) { + cERROR(1, "BAD_NETWORK_NAME: %s", tree); + tcon->bad_network_name = true; + } + goto tcon_exit; +} + +int +SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon) +{ + struct smb2_tree_disconnect_req *req; /* response is trivial */ + int rc = 0; + struct TCP_Server_Info *server; + struct cifs_ses *ses = tcon->ses; + + cFYI(1, "Tree Disconnect"); + + if (ses && (ses->server)) + server = ses->server; + else + return -EIO; + + if ((tcon->need_reconnect) || (tcon->ses->need_reconnect)) + return 0; + + rc = small_smb2_init(SMB2_TREE_DISCONNECT, tcon, (void **) &req); + if (rc) + return rc; + + rc = SendReceiveNoRsp(xid, ses, (char *)&req->hdr, 0); + if (rc) + cifs_stats_fail_inc(tcon, SMB2_TREE_DISCONNECT_HE); + + return rc; +} + +int +SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, __le16 *path, + u64 *persistent_fid, u64 *volatile_fid, __u32 desired_access, + __u32 create_disposition, __u32 file_attributes, __u32 create_options) +{ + struct smb2_create_req *req; + struct smb2_create_rsp *rsp; + struct TCP_Server_Info *server; + struct cifs_ses *ses = tcon->ses; + struct kvec iov[2]; + int resp_buftype; + int uni_path_len; + int rc = 0; + int num_iovecs = 2; + + cFYI(1, "create/open"); + + if (ses && (ses->server)) + server = ses->server; + else + return -EIO; + + rc = small_smb2_init(SMB2_CREATE, tcon, (void **) &req); + if (rc) + return rc; + + if (enable_oplocks) + req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_BATCH; + else + req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_NONE; + req->ImpersonationLevel = IL_IMPERSONATION; + req->DesiredAccess = cpu_to_le32(desired_access); + /* File attributes ignored on open (used in create though) */ + req->FileAttributes = cpu_to_le32(file_attributes); + req->ShareAccess = FILE_SHARE_ALL_LE; + req->CreateDisposition = cpu_to_le32(create_disposition); + req->CreateOptions = cpu_to_le32(create_options); + uni_path_len = (2 * UniStrnlen((wchar_t *)path, PATH_MAX)) + 2; + req->NameOffset = cpu_to_le16(sizeof(struct smb2_create_req) + - 1 /* pad */ - 4 /* do not count rfc1001 len field */); + + iov[0].iov_base = (char *)req; + /* 4 for rfc1002 length field */ + iov[0].iov_len = get_rfc1002_length(req) + 4; + + /* MUST set path len (NameLength) to 0 opening root of share */ + if (uni_path_len >= 4) { + req->NameLength = cpu_to_le16(uni_path_len - 2); + /* -1 since last byte is buf[0] which is sent below (path) */ + iov[0].iov_len--; + iov[1].iov_len = uni_path_len; + iov[1].iov_base = path; + /* + * -1 since last byte is buf[0] which was counted in + * smb2_buf_len. + */ + inc_rfc1001_len(req, uni_path_len - 1); + } else { + num_iovecs = 1; + req->NameLength = 0; + } + + rc = SendReceive2(xid, ses, iov, num_iovecs, &resp_buftype, 0); + rsp = (struct smb2_create_rsp *)iov[0].iov_base; + + if (rc != 0) { + cifs_stats_fail_inc(tcon, SMB2_CREATE_HE); + goto creat_exit; + } + + if (rsp == NULL) { + rc = -EIO; + goto creat_exit; + } + *persistent_fid = rsp->PersistentFileId; + *volatile_fid = rsp->VolatileFileId; +creat_exit: + free_rsp_buf(resp_buftype, rsp); + return rc; +} + +int +SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_fid, u64 volatile_fid) +{ + struct smb2_close_req *req; + struct smb2_close_rsp *rsp; + struct TCP_Server_Info *server; + struct cifs_ses *ses = tcon->ses; + struct kvec iov[1]; + int resp_buftype; + int rc = 0; + + cFYI(1, "Close"); + + if (ses && (ses->server)) + server = ses->server; + else + return -EIO; + + rc = small_smb2_init(SMB2_CLOSE, tcon, (void **) &req); + if (rc) + return rc; + + req->PersistentFileId = persistent_fid; + req->VolatileFileId = volatile_fid; + + iov[0].iov_base = (char *)req; + /* 4 for rfc1002 length field */ + iov[0].iov_len = get_rfc1002_length(req) + 4; + + rc = SendReceive2(xid, ses, iov, 1, &resp_buftype, 0); + rsp = (struct smb2_close_rsp *)iov[0].iov_base; + + if (rc != 0) { + if (tcon) + cifs_stats_fail_inc(tcon, SMB2_CLOSE_HE); + goto close_exit; + } + + if (rsp == NULL) { + rc = -EIO; + goto close_exit; + } + + /* BB FIXME - decode close response, update inode for caching */ + +close_exit: + free_rsp_buf(resp_buftype, rsp); + return rc; +} + +static int +validate_buf(unsigned int offset, unsigned int buffer_length, + struct smb2_hdr *hdr, unsigned int min_buf_size) + +{ + unsigned int smb_len = be32_to_cpu(hdr->smb2_buf_length); + char *end_of_smb = smb_len + 4 /* RFC1001 length field */ + (char *)hdr; + char *begin_of_buf = 4 /* RFC1001 len field */ + offset + (char *)hdr; + char *end_of_buf = begin_of_buf + buffer_length; + + + if (buffer_length < min_buf_size) { + cERROR(1, "buffer length %d smaller than minimum size %d", + buffer_length, min_buf_size); + return -EINVAL; + } + + /* check if beyond RFC1001 maximum length */ + if ((smb_len > 0x7FFFFF) || (buffer_length > 0x7FFFFF)) { + cERROR(1, "buffer length %d or smb length %d too large", + buffer_length, smb_len); + return -EINVAL; + } + + if ((begin_of_buf > end_of_smb) || (end_of_buf > end_of_smb)) { + cERROR(1, "illegal server response, bad offset to data"); + return -EINVAL; + } + + return 0; +} + +/* + * If SMB buffer fields are valid, copy into temporary buffer to hold result. + * Caller must free buffer. + */ +static int +validate_and_copy_buf(unsigned int offset, unsigned int buffer_length, + struct smb2_hdr *hdr, unsigned int minbufsize, + char *data) + +{ + char *begin_of_buf = 4 /* RFC1001 len field */ + offset + (char *)hdr; + int rc; + + if (!data) + return -EINVAL; + + rc = validate_buf(offset, buffer_length, hdr, minbufsize); + if (rc) + return rc; + + memcpy(data, begin_of_buf, buffer_length); + + return 0; +} + +int +SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_fid, u64 volatile_fid, + struct smb2_file_all_info *data) +{ + struct smb2_query_info_req *req; + struct smb2_query_info_rsp *rsp = NULL; + struct kvec iov[2]; + int rc = 0; + int resp_buftype; + struct TCP_Server_Info *server; + struct cifs_ses *ses = tcon->ses; + + cFYI(1, "Query Info"); + + if (ses && (ses->server)) + server = ses->server; + else + return -EIO; + + rc = small_smb2_init(SMB2_QUERY_INFO, tcon, (void **) &req); + if (rc) + return rc; + + req->InfoType = SMB2_O_INFO_FILE; + req->FileInfoClass = FILE_ALL_INFORMATION; + req->PersistentFileId = persistent_fid; + req->VolatileFileId = volatile_fid; + /* 4 for rfc1002 length field and 1 for Buffer */ + req->InputBufferOffset = + cpu_to_le16(sizeof(struct smb2_query_info_req) - 1 - 4); + req->OutputBufferLength = + cpu_to_le32(sizeof(struct smb2_file_all_info) + MAX_NAME * 2); + + iov[0].iov_base = (char *)req; + /* 4 for rfc1002 length field */ + iov[0].iov_len = get_rfc1002_length(req) + 4; + + rc = SendReceive2(xid, ses, iov, 1, &resp_buftype, 0); + if (rc) { + cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); + goto qinf_exit; + } + + rsp = (struct smb2_query_info_rsp *)iov[0].iov_base; + + rc = validate_and_copy_buf(le16_to_cpu(rsp->OutputBufferOffset), + le32_to_cpu(rsp->OutputBufferLength), + &rsp->hdr, sizeof(struct smb2_file_all_info), + (char *)data); + +qinf_exit: + free_rsp_buf(resp_buftype, rsp); + return rc; +} + +/* + * This is a no-op for now. We're not really interested in the reply, but + * rather in the fact that the server sent one and that server->lstrp + * gets updated. + * + * FIXME: maybe we should consider checking that the reply matches request? + */ +static void +smb2_echo_callback(struct mid_q_entry *mid) +{ + struct TCP_Server_Info *server = mid->callback_data; + struct smb2_echo_rsp *smb2 = (struct smb2_echo_rsp *)mid->resp_buf; + unsigned int credits_received = 1; + + if (mid->mid_state == MID_RESPONSE_RECEIVED) + credits_received = le16_to_cpu(smb2->hdr.CreditRequest); + + DeleteMidQEntry(mid); + add_credits(server, credits_received, CIFS_ECHO_OP); +} + +int +SMB2_echo(struct TCP_Server_Info *server) +{ + struct smb2_echo_req *req; + int rc = 0; + struct kvec iov; + + cFYI(1, "In echo request"); + + rc = small_smb2_init(SMB2_ECHO, NULL, (void **)&req); + if (rc) + return rc; + + req->hdr.CreditRequest = cpu_to_le16(1); + + iov.iov_base = (char *)req; + /* 4 for rfc1002 length field */ + iov.iov_len = get_rfc1002_length(req) + 4; + + rc = cifs_call_async(server, &iov, 1, NULL, smb2_echo_callback, server, + CIFS_ECHO_OP); + if (rc) + cFYI(1, "Echo request failed: %d", rc); + + cifs_small_buf_release(req); + return rc; +} diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h new file mode 100644 index 000000000000..f37a1b41b402 --- /dev/null +++ b/fs/cifs/smb2pdu.h @@ -0,0 +1,577 @@ +/* + * fs/cifs/smb2pdu.h + * + * Copyright (c) International Business Machines Corp., 2009, 2010 + * Etersoft, 2012 + * Author(s): Steve French (sfrench@us.ibm.com) + * Pavel Shilovsky (pshilovsky@samba.org) 2012 + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _SMB2PDU_H +#define _SMB2PDU_H + +#include <net/sock.h> + +/* + * Note that, due to trying to use names similar to the protocol specifications, + * there are many mixed case field names in the structures below. Although + * this does not match typical Linux kernel style, it is necessary to be + * be able to match against the protocol specfication. + * + * SMB2 commands + * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses + * (ie no useful data other than the SMB error code itself) and are marked such. + * Knowing this helps avoid response buffer allocations and copy in some cases. + */ + +/* List of commands in host endian */ +#define SMB2_NEGOTIATE_HE 0x0000 +#define SMB2_SESSION_SETUP_HE 0x0001 +#define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */ +#define SMB2_TREE_CONNECT_HE 0x0003 +#define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */ +#define SMB2_CREATE_HE 0x0005 +#define SMB2_CLOSE_HE 0x0006 +#define SMB2_FLUSH_HE 0x0007 /* trivial resp */ +#define SMB2_READ_HE 0x0008 +#define SMB2_WRITE_HE 0x0009 +#define SMB2_LOCK_HE 0x000A +#define SMB2_IOCTL_HE 0x000B +#define SMB2_CANCEL_HE 0x000C +#define SMB2_ECHO_HE 0x000D +#define SMB2_QUERY_DIRECTORY_HE 0x000E +#define SMB2_CHANGE_NOTIFY_HE 0x000F +#define SMB2_QUERY_INFO_HE 0x0010 +#define SMB2_SET_INFO_HE 0x0011 +#define SMB2_OPLOCK_BREAK_HE 0x0012 + +/* The same list in little endian */ +#define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE) +#define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE) +#define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE) +#define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE) +#define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE) +#define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE) +#define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE) +#define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE) +#define SMB2_READ cpu_to_le16(SMB2_READ_HE) +#define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE) +#define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE) +#define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE) +#define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE) +#define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE) +#define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE) +#define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE) +#define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE) +#define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE) +#define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE) + +#define NUMBER_OF_SMB2_COMMANDS 0x0013 + +/* BB FIXME - analyze following length BB */ +#define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */ + +#define SMB2_PROTO_NUMBER __constant_cpu_to_le32(0x424d53fe) + +#define SMB2_HEADER_SIZE __constant_le16_to_cpu(64) + +#define SMB2_ERROR_STRUCTURE_SIZE2 __constant_le16_to_cpu(9) + +/* + * SMB2 Header Definition + * + * "MBZ" : Must be Zero + * "BB" : BugBug, Something to check/review/analyze later + * "PDU" : "Protocol Data Unit" (ie a network "frame") + * + */ +struct smb2_hdr { + __be32 smb2_buf_length; /* big endian on wire */ + /* length is only two or three bytes - with + one or two byte type preceding it that MBZ */ + __u8 ProtocolId[4]; /* 0xFE 'S' 'M' 'B' */ + __le16 StructureSize; /* 64 */ + __le16 CreditCharge; /* MBZ */ + __le32 Status; /* Error from server */ + __le16 Command; + __le16 CreditRequest; /* CreditResponse */ + __le32 Flags; + __le32 NextCommand; + __u64 MessageId; /* opaque - so can stay little endian */ + __le32 ProcessId; + __u32 TreeId; /* opaque - so do not make little endian */ + __u64 SessionId; /* opaque - so do not make little endian */ + __u8 Signature[16]; +} __packed; + +struct smb2_pdu { + struct smb2_hdr hdr; + __le16 StructureSize2; /* size of wct area (varies, request specific) */ +} __packed; + +/* + * SMB2 flag definitions + */ +#define SMB2_FLAGS_SERVER_TO_REDIR __constant_cpu_to_le32(0x00000001) +#define SMB2_FLAGS_ASYNC_COMMAND __constant_cpu_to_le32(0x00000002) +#define SMB2_FLAGS_RELATED_OPERATIONS __constant_cpu_to_le32(0x00000004) +#define SMB2_FLAGS_SIGNED __constant_cpu_to_le32(0x00000008) +#define SMB2_FLAGS_DFS_OPERATIONS __constant_cpu_to_le32(0x10000000) + +/* + * Definitions for SMB2 Protocol Data Units (network frames) + * + * See MS-SMB2.PDF specification for protocol details. + * The Naming convention is the lower case version of the SMB2 + * command code name for the struct. Note that structures must be packed. + * + */ +struct smb2_err_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; + __le16 Reserved; /* MBZ */ + __le32 ByteCount; /* even if zero, at least one byte follows */ + __u8 ErrorData[1]; /* variable length */ +} __packed; + +struct smb2_negotiate_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 36 */ + __le16 DialectCount; + __le16 SecurityMode; + __le16 Reserved; /* MBZ */ + __le32 Capabilities; + __u8 ClientGUID[16]; /* MBZ */ + __le64 ClientStartTime; /* MBZ */ + __le16 Dialects[2]; /* variable length */ +} __packed; + +/* SecurityMode flags */ +#define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 +#define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 +/* Capabilities flags */ +#define SMB2_GLOBAL_CAP_DFS 0x00000001 +#define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ +#define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ +/* Internal types */ +#define SMB2_NT_FIND 0x00100000 +#define SMB2_LARGE_FILES 0x00200000 + +struct smb2_negotiate_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 65 */ + __le16 SecurityMode; + __le16 DialectRevision; + __le16 Reserved; /* MBZ */ + __u8 ServerGUID[16]; + __le32 Capabilities; + __le32 MaxTransactSize; + __le32 MaxReadSize; + __le32 MaxWriteSize; + __le64 SystemTime; /* MBZ */ + __le64 ServerStartTime; + __le16 SecurityBufferOffset; + __le16 SecurityBufferLength; + __le32 Reserved2; /* may be any value, ignore */ + __u8 Buffer[1]; /* variable length GSS security buffer */ +} __packed; + +struct smb2_sess_setup_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 25 */ + __u8 VcNumber; + __u8 SecurityMode; + __le32 Capabilities; + __le32 Channel; + __le16 SecurityBufferOffset; + __le16 SecurityBufferLength; + __le64 PreviousSessionId; + __u8 Buffer[1]; /* variable length GSS security buffer */ +} __packed; + +/* Currently defined SessionFlags */ +#define SMB2_SESSION_FLAG_IS_GUEST 0x0001 +#define SMB2_SESSION_FLAG_IS_NULL 0x0002 +struct smb2_sess_setup_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 9 */ + __le16 SessionFlags; + __le16 SecurityBufferOffset; + __le16 SecurityBufferLength; + __u8 Buffer[1]; /* variable length GSS security buffer */ +} __packed; + +struct smb2_logoff_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __le16 Reserved; +} __packed; + +struct smb2_logoff_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __le16 Reserved; +} __packed; + +struct smb2_tree_connect_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 9 */ + __le16 Reserved; + __le16 PathOffset; + __le16 PathLength; + __u8 Buffer[1]; /* variable length */ +} __packed; + +struct smb2_tree_connect_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 16 */ + __u8 ShareType; /* see below */ + __u8 Reserved; + __le32 ShareFlags; /* see below */ + __le32 Capabilities; /* see below */ + __le32 MaximalAccess; +} __packed; + +/* Possible ShareType values */ +#define SMB2_SHARE_TYPE_DISK 0x01 +#define SMB2_SHARE_TYPE_PIPE 0x02 +#define SMB2_SHARE_TYPE_PRINT 0x03 + +/* + * Possible ShareFlags - exactly one and only one of the first 4 caching flags + * must be set (any of the remaining, SHI1005, flags may be set individually + * or in combination. + */ +#define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000 +#define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010 +#define SMB2_SHAREFLAG_VDO_CACHING 0x00000020 +#define SMB2_SHAREFLAG_NO_CACHING 0x00000030 +#define SHI1005_FLAGS_DFS 0x00000001 +#define SHI1005_FLAGS_DFS_ROOT 0x00000002 +#define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100 +#define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200 +#define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400 +#define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800 +#define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000 +#define SHI1005_FLAGS_ENABLE_HASH 0x00002000 + +/* Possible share capabilities */ +#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) + +struct smb2_tree_disconnect_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __le16 Reserved; +} __packed; + +struct smb2_tree_disconnect_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __le16 Reserved; +} __packed; + +/* File Attrubutes */ +#define FILE_ATTRIBUTE_READONLY 0x00000001 +#define FILE_ATTRIBUTE_HIDDEN 0x00000002 +#define FILE_ATTRIBUTE_SYSTEM 0x00000004 +#define FILE_ATTRIBUTE_DIRECTORY 0x00000010 +#define FILE_ATTRIBUTE_ARCHIVE 0x00000020 +#define FILE_ATTRIBUTE_NORMAL 0x00000080 +#define FILE_ATTRIBUTE_TEMPORARY 0x00000100 +#define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200 +#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 +#define FILE_ATTRIBUTE_COMPRESSED 0x00000800 +#define FILE_ATTRIBUTE_OFFLINE 0x00001000 +#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000 +#define FILE_ATTRIBUTE_ENCRYPTED 0x00004000 + +/* Oplock levels */ +#define SMB2_OPLOCK_LEVEL_NONE 0x00 +#define SMB2_OPLOCK_LEVEL_II 0x01 +#define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08 +#define SMB2_OPLOCK_LEVEL_BATCH 0x09 +#define SMB2_OPLOCK_LEVEL_LEASE 0xFF + +/* Desired Access Flags */ +#define FILE_READ_DATA_LE cpu_to_le32(0x00000001) +#define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002) +#define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004) +#define FILE_READ_EA_LE cpu_to_le32(0x00000008) +#define FILE_WRITE_EA_LE cpu_to_le32(0x00000010) +#define FILE_EXECUTE_LE cpu_to_le32(0x00000020) +#define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080) +#define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100) +#define FILE_DELETE_LE cpu_to_le32(0x00010000) +#define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000) +#define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000) +#define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000) +#define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000) +#define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000) +#define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000) +#define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000) +#define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000) +#define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000) +#define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000) + +/* ShareAccess Flags */ +#define FILE_SHARE_READ_LE cpu_to_le32(0x00000001) +#define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002) +#define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004) +#define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007) + +/* CreateDisposition Flags */ +#define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000) +#define FILE_OPEN_LE cpu_to_le32(0x00000001) +#define FILE_CREATE_LE cpu_to_le32(0x00000002) +#define FILE_OPEN_IF_LE cpu_to_le32(0x00000003) +#define FILE_OVERWRITE_LE cpu_to_le32(0x00000004) +#define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005) + +/* CreateOptions Flags */ +#define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001) +/* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */ +#define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002) +#define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004) +#define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008) +#define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010) +#define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020) +#define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040) +#define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100) +#define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200) +#define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800) +#define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000) +#define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000) +#define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000) +#define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000) +#define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000) +#define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000) +#define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000) +#define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000) + +#define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \ + | FILE_READ_ATTRIBUTES_LE) +#define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \ + | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE) +#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE) + +/* Impersonation Levels */ +#define IL_ANONYMOUS cpu_to_le32(0x00000000) +#define IL_IDENTIFICATION cpu_to_le32(0x00000001) +#define IL_IMPERSONATION cpu_to_le32(0x00000002) +#define IL_DELEGATE cpu_to_le32(0x00000003) + +/* Create Context Values */ +#define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */ +#define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */ +#define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ" +#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC" +#define SMB2_CREATE_ALLOCATION_SIZE "AlSi" +#define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc" +#define SMB2_CREATE_TIMEWARP_REQUEST "TWrp" +#define SMB2_CREATE_QUERY_ON_DISK_ID "QFid" +#define SMB2_CREATE_REQUEST_LEASE "RqLs" + +struct smb2_create_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 57 */ + __u8 SecurityFlags; + __u8 RequestedOplockLevel; + __le32 ImpersonationLevel; + __le64 SmbCreateFlags; + __le64 Reserved; + __le32 DesiredAccess; + __le32 FileAttributes; + __le32 ShareAccess; + __le32 CreateDisposition; + __le32 CreateOptions; + __le16 NameOffset; + __le16 NameLength; + __le32 CreateContextsOffset; + __le32 CreateContextsLength; + __u8 Buffer[1]; +} __packed; + +struct smb2_create_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 89 */ + __u8 OplockLevel; + __u8 Reserved; + __le32 CreateAction; + __le64 CreationTime; + __le64 LastAccessTime; + __le64 LastWriteTime; + __le64 ChangeTime; + __le64 AllocationSize; + __le64 EndofFile; + __le32 FileAttributes; + __le32 Reserved2; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ + __le32 CreateContextsOffset; + __le32 CreateContextsLength; + __u8 Buffer[1]; +} __packed; + +/* Currently defined values for close flags */ +#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001) +struct smb2_close_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 24 */ + __le16 Flags; + __le32 Reserved; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ +} __packed; + +struct smb2_close_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* 60 */ + __le16 Flags; + __le32 Reserved; + __le64 CreationTime; + __le64 LastAccessTime; + __le64 LastWriteTime; + __le64 ChangeTime; + __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ + __le64 EndOfFile; + __le32 Attributes; +} __packed; + +struct smb2_echo_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __u16 Reserved; +} __packed; + +struct smb2_echo_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 4 */ + __u16 Reserved; +} __packed; + +/* Possible InfoType values */ +#define SMB2_O_INFO_FILE 0x01 +#define SMB2_O_INFO_FILESYSTEM 0x02 +#define SMB2_O_INFO_SECURITY 0x03 +#define SMB2_O_INFO_QUOTA 0x04 + +struct smb2_query_info_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 41 */ + __u8 InfoType; + __u8 FileInfoClass; + __le32 OutputBufferLength; + __le16 InputBufferOffset; + __u16 Reserved; + __le32 InputBufferLength; + __le32 AdditionalInformation; + __le32 Flags; + __u64 PersistentFileId; /* opaque endianness */ + __u64 VolatileFileId; /* opaque endianness */ + __u8 Buffer[1]; +} __packed; + +struct smb2_query_info_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 9 */ + __le16 OutputBufferOffset; + __le32 OutputBufferLength; + __u8 Buffer[1]; +} __packed; + +/* + * PDU infolevel structure definitions + * BB consider moving to a different header + */ + +/* partial list of QUERY INFO levels */ +#define FILE_DIRECTORY_INFORMATION 1 +#define FILE_FULL_DIRECTORY_INFORMATION 2 +#define FILE_BOTH_DIRECTORY_INFORMATION 3 +#define FILE_BASIC_INFORMATION 4 +#define FILE_STANDARD_INFORMATION 5 +#define FILE_INTERNAL_INFORMATION 6 +#define FILE_EA_INFORMATION 7 +#define FILE_ACCESS_INFORMATION 8 +#define FILE_NAME_INFORMATION 9 +#define FILE_RENAME_INFORMATION 10 +#define FILE_LINK_INFORMATION 11 +#define FILE_NAMES_INFORMATION 12 +#define FILE_DISPOSITION_INFORMATION 13 +#define FILE_POSITION_INFORMATION 14 +#define FILE_FULL_EA_INFORMATION 15 +#define FILE_MODE_INFORMATION 16 +#define FILE_ALIGNMENT_INFORMATION 17 +#define FILE_ALL_INFORMATION 18 +#define FILE_ALLOCATION_INFORMATION 19 +#define FILE_END_OF_FILE_INFORMATION 20 +#define FILE_ALTERNATE_NAME_INFORMATION 21 +#define FILE_STREAM_INFORMATION 22 +#define FILE_PIPE_INFORMATION 23 +#define FILE_PIPE_LOCAL_INFORMATION 24 +#define FILE_PIPE_REMOTE_INFORMATION 25 +#define FILE_MAILSLOT_QUERY_INFORMATION 26 +#define FILE_MAILSLOT_SET_INFORMATION 27 +#define FILE_COMPRESSION_INFORMATION 28 +#define FILE_OBJECT_ID_INFORMATION 29 +/* Number 30 not defined in documents */ +#define FILE_MOVE_CLUSTER_INFORMATION 31 +#define FILE_QUOTA_INFORMATION 32 +#define FILE_REPARSE_POINT_INFORMATION 33 +#define FILE_NETWORK_OPEN_INFORMATION 34 +#define FILE_ATTRIBUTE_TAG_INFORMATION 35 +#define FILE_TRACKING_INFORMATION 36 +#define FILEID_BOTH_DIRECTORY_INFORMATION 37 +#define FILEID_FULL_DIRECTORY_INFORMATION 38 +#define FILE_VALID_DATA_LENGTH_INFORMATION 39 +#define FILE_SHORT_NAME_INFORMATION 40 +#define FILE_SFIO_RESERVE_INFORMATION 44 +#define FILE_SFIO_VOLUME_INFORMATION 45 +#define FILE_HARD_LINK_INFORMATION 46 +#define FILE_NORMALIZED_NAME_INFORMATION 48 +#define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50 +#define FILE_STANDARD_LINK_INFORMATION 54 + +/* + * This level 18, although with struct with same name is different from cifs + * level 0x107. Level 0x107 has an extra u64 between AccessFlags and + * CurrentByteOffset. + */ +struct smb2_file_all_info { /* data block encoding of response to level 18 */ + __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ + __le64 LastAccessTime; + __le64 LastWriteTime; + __le64 ChangeTime; + __le32 Attributes; + __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ + __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */ + __le64 EndOfFile; /* size ie offset to first free byte in file */ + __le32 NumberOfLinks; /* hard links */ + __u8 DeletePending; + __u8 Directory; + __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */ + __le64 IndexNumber; + __le32 EASize; + __le32 AccessFlags; + __le64 CurrentByteOffset; + __le32 Mode; + __le32 AlignmentRequirement; + __le32 FileNameLength; + char FileName[1]; +} __packed; /* level 18 Query */ + +#endif /* _SMB2PDU_H */ diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h new file mode 100644 index 000000000000..902bbe2b5ad3 --- /dev/null +++ b/fs/cifs/smb2proto.h @@ -0,0 +1,78 @@ +/* + * fs/cifs/smb2proto.h + * + * Copyright (c) International Business Machines Corp., 2002, 2011 + * Etersoft, 2012 + * Author(s): Steve French (sfrench@us.ibm.com) + * Pavel Shilovsky (pshilovsky@samba.org) 2012 + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef _SMB2PROTO_H +#define _SMB2PROTO_H +#include <linux/nls.h> +#include <linux/key-type.h> + +struct statfs; + +/* + ***************************************************************** + * All Prototypes + ***************************************************************** + */ +extern int map_smb2_to_linux_error(char *buf, bool log_err); +extern int smb2_check_message(char *buf, unsigned int length); +extern unsigned int smb2_calc_size(struct smb2_hdr *hdr); +extern char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr); +extern __le16 *cifs_convert_path_to_utf16(const char *from, + struct cifs_sb_info *cifs_sb); + +extern int smb2_check_receive(struct mid_q_entry *mid, + struct TCP_Server_Info *server, bool log_error); +extern int smb2_setup_request(struct cifs_ses *ses, struct kvec *iov, + unsigned int nvec, struct mid_q_entry **ret_mid); +extern int smb2_setup_async_request(struct TCP_Server_Info *server, + struct kvec *iov, unsigned int nvec, + struct mid_q_entry **ret_mid); +extern void smb2_echo_request(struct work_struct *work); + +extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, + const char *full_path, FILE_ALL_INFO *data, + bool *adjust_tz); +/* + * SMB2 Worker functions - most of protocol specific implementation details + * are contained within these calls. + */ +extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses); +extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses, + const struct nls_table *nls_cp); +extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses); +extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, + const char *tree, struct cifs_tcon *tcon, + const struct nls_table *); +extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon); +extern int SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, + __le16 *path, u64 *persistent_fid, u64 *volatile_fid, + __u32 desired_access, __u32 create_disposition, + __u32 file_attributes, __u32 create_options); +extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_file_id, u64 volatile_file_id); +extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_file_id, u64 volatile_file_id, + struct smb2_file_all_info *data); +extern int SMB2_echo(struct TCP_Server_Info *server); + +#endif /* _SMB2PROTO_H */ diff --git a/fs/cifs/smb2status.h b/fs/cifs/smb2status.h new file mode 100644 index 000000000000..3d5f62150de4 --- /dev/null +++ b/fs/cifs/smb2status.h @@ -0,0 +1,1782 @@ +/* + * fs/cifs/smb2status.h + * + * SMB2 Status code (network error) definitions + * Definitions are from MS-ERREF + * + * Copyright (c) International Business Machines Corp., 2009,2011 + * Author(s): Steve French (sfrench@us.ibm.com) + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * 0 1 2 3 4 5 6 7 8 9 0 A B C D E F 0 1 2 3 4 5 6 7 8 9 A B C D E F + * SEV C N <-------Facility--------> <------Error Status Code------> + * + * C is set if "customer defined" error, N bit is reserved and MBZ + */ + +#define STATUS_SEVERITY_SUCCESS __constant_cpu_to_le32(0x0000) +#define STATUS_SEVERITY_INFORMATIONAL __constanst_cpu_to_le32(0x0001) +#define STATUS_SEVERITY_WARNING __constanst_cpu_to_le32(0x0002) +#define STATUS_SEVERITY_ERROR __constanst_cpu_to_le32(0x0003) + +struct ntstatus { + /* Facility is the high 12 bits of the following field */ + __le32 Facility; /* low 2 bits Severity, next is Customer, then rsrvd */ + __le32 Code; +}; + +#define STATUS_SUCCESS __constant_cpu_to_le32(0x00000000) +#define STATUS_WAIT_0 __constant_cpu_to_le32(0x00000000) +#define STATUS_WAIT_1 __constant_cpu_to_le32(0x00000001) +#define STATUS_WAIT_2 __constant_cpu_to_le32(0x00000002) +#define STATUS_WAIT_3 __constant_cpu_to_le32(0x00000003) +#define STATUS_WAIT_63 __constant_cpu_to_le32(0x0000003F) +#define STATUS_ABANDONED __constant_cpu_to_le32(0x00000080) +#define STATUS_ABANDONED_WAIT_0 __constant_cpu_to_le32(0x00000080) +#define STATUS_ABANDONED_WAIT_63 __constant_cpu_to_le32(0x000000BF) +#define STATUS_USER_APC __constant_cpu_to_le32(0x000000C0) +#define STATUS_KERNEL_APC __constant_cpu_to_le32(0x00000100) +#define STATUS_ALERTED __constant_cpu_to_le32(0x00000101) +#define STATUS_TIMEOUT __constant_cpu_to_le32(0x00000102) +#define STATUS_PENDING __constant_cpu_to_le32(0x00000103) +#define STATUS_REPARSE __constant_cpu_to_le32(0x00000104) +#define STATUS_MORE_ENTRIES __constant_cpu_to_le32(0x00000105) +#define STATUS_NOT_ALL_ASSIGNED __constant_cpu_to_le32(0x00000106) +#define STATUS_SOME_NOT_MAPPED __constant_cpu_to_le32(0x00000107) +#define STATUS_OPLOCK_BREAK_IN_PROGRESS __constant_cpu_to_le32(0x00000108) +#define STATUS_VOLUME_MOUNTED __constant_cpu_to_le32(0x00000109) +#define STATUS_RXACT_COMMITTED __constant_cpu_to_le32(0x0000010A) +#define STATUS_NOTIFY_CLEANUP __constant_cpu_to_le32(0x0000010B) +#define STATUS_NOTIFY_ENUM_DIR __constant_cpu_to_le32(0x0000010C) +#define STATUS_NO_QUOTAS_FOR_ACCOUNT __constant_cpu_to_le32(0x0000010D) +#define STATUS_PRIMARY_TRANSPORT_CONNECT_FAILED __constant_cpu_to_le32(0x0000010E) +#define STATUS_PAGE_FAULT_TRANSITION __constant_cpu_to_le32(0x00000110) +#define STATUS_PAGE_FAULT_DEMAND_ZERO __constant_cpu_to_le32(0x00000111) +#define STATUS_PAGE_FAULT_COPY_ON_WRITE __constant_cpu_to_le32(0x00000112) +#define STATUS_PAGE_FAULT_GUARD_PAGE __constant_cpu_to_le32(0x00000113) +#define STATUS_PAGE_FAULT_PAGING_FILE __constant_cpu_to_le32(0x00000114) +#define STATUS_CACHE_PAGE_LOCKED __constant_cpu_to_le32(0x00000115) +#define STATUS_CRASH_DUMP __constant_cpu_to_le32(0x00000116) +#define STATUS_BUFFER_ALL_ZEROS __constant_cpu_to_le32(0x00000117) +#define STATUS_REPARSE_OBJECT __constant_cpu_to_le32(0x00000118) +#define STATUS_RESOURCE_REQUIREMENTS_CHANGED __constant_cpu_to_le32(0x00000119) +#define STATUS_TRANSLATION_COMPLETE __constant_cpu_to_le32(0x00000120) +#define STATUS_DS_MEMBERSHIP_EVALUATED_LOCALLY __constant_cpu_to_le32(0x00000121) +#define STATUS_NOTHING_TO_TERMINATE __constant_cpu_to_le32(0x00000122) +#define STATUS_PROCESS_NOT_IN_JOB __constant_cpu_to_le32(0x00000123) +#define STATUS_PROCESS_IN_JOB __constant_cpu_to_le32(0x00000124) +#define STATUS_VOLSNAP_HIBERNATE_READY __constant_cpu_to_le32(0x00000125) +#define STATUS_FSFILTER_OP_COMPLETED_SUCCESSFULLY __constant_cpu_to_le32(0x00000126) +#define STATUS_INTERRUPT_VECTOR_ALREADY_CONNECTED __constant_cpu_to_le32(0x00000127) +#define STATUS_INTERRUPT_STILL_CONNECTED __constant_cpu_to_le32(0x00000128) +#define STATUS_PROCESS_CLONED __constant_cpu_to_le32(0x00000129) +#define STATUS_FILE_LOCKED_WITH_ONLY_READERS __constant_cpu_to_le32(0x0000012A) +#define STATUS_FILE_LOCKED_WITH_WRITERS __constant_cpu_to_le32(0x0000012B) +#define STATUS_RESOURCEMANAGER_READ_ONLY __constant_cpu_to_le32(0x00000202) +#define STATUS_WAIT_FOR_OPLOCK __constant_cpu_to_le32(0x00000367) +#define DBG_EXCEPTION_HANDLED __constant_cpu_to_le32(0x00010001) +#define DBG_CONTINUE __constant_cpu_to_le32(0x00010002) +#define STATUS_FLT_IO_COMPLETE __constant_cpu_to_le32(0x001C0001) +#define STATUS_OBJECT_NAME_EXISTS __constant_cpu_to_le32(0x40000000) +#define STATUS_THREAD_WAS_SUSPENDED __constant_cpu_to_le32(0x40000001) +#define STATUS_WORKING_SET_LIMIT_RANGE __constant_cpu_to_le32(0x40000002) +#define STATUS_IMAGE_NOT_AT_BASE __constant_cpu_to_le32(0x40000003) +#define STATUS_RXACT_STATE_CREATED __constant_cpu_to_le32(0x40000004) +#define STATUS_SEGMENT_NOTIFICATION __constant_cpu_to_le32(0x40000005) +#define STATUS_LOCAL_USER_SESSION_KEY __constant_cpu_to_le32(0x40000006) +#define STATUS_BAD_CURRENT_DIRECTORY __constant_cpu_to_le32(0x40000007) +#define STATUS_SERIAL_MORE_WRITES __constant_cpu_to_le32(0x40000008) +#define STATUS_REGISTRY_RECOVERED __constant_cpu_to_le32(0x40000009) +#define STATUS_FT_READ_RECOVERY_FROM_BACKUP __constant_cpu_to_le32(0x4000000A) +#define STATUS_FT_WRITE_RECOVERY __constant_cpu_to_le32(0x4000000B) +#define STATUS_SERIAL_COUNTER_TIMEOUT __constant_cpu_to_le32(0x4000000C) +#define STATUS_NULL_LM_PASSWORD __constant_cpu_to_le32(0x4000000D) +#define STATUS_IMAGE_MACHINE_TYPE_MISMATCH __constant_cpu_to_le32(0x4000000E) +#define STATUS_RECEIVE_PARTIAL __constant_cpu_to_le32(0x4000000F) +#define STATUS_RECEIVE_EXPEDITED __constant_cpu_to_le32(0x40000010) +#define STATUS_RECEIVE_PARTIAL_EXPEDITED __constant_cpu_to_le32(0x40000011) +#define STATUS_EVENT_DONE __constant_cpu_to_le32(0x40000012) +#define STATUS_EVENT_PENDING __constant_cpu_to_le32(0x40000013) +#define STATUS_CHECKING_FILE_SYSTEM __constant_cpu_to_le32(0x40000014) +#define STATUS_FATAL_APP_EXIT __constant_cpu_to_le32(0x40000015) +#define STATUS_PREDEFINED_HANDLE __constant_cpu_to_le32(0x40000016) +#define STATUS_WAS_UNLOCKED __constant_cpu_to_le32(0x40000017) +#define STATUS_SERVICE_NOTIFICATION __constant_cpu_to_le32(0x40000018) +#define STATUS_WAS_LOCKED __constant_cpu_to_le32(0x40000019) +#define STATUS_LOG_HARD_ERROR __constant_cpu_to_le32(0x4000001A) +#define STATUS_ALREADY_WIN32 __constant_cpu_to_le32(0x4000001B) +#define STATUS_WX86_UNSIMULATE __constant_cpu_to_le32(0x4000001C) +#define STATUS_WX86_CONTINUE __constant_cpu_to_le32(0x4000001D) +#define STATUS_WX86_SINGLE_STEP __constant_cpu_to_le32(0x4000001E) +#define STATUS_WX86_BREAKPOINT __constant_cpu_to_le32(0x4000001F) +#define STATUS_WX86_EXCEPTION_CONTINUE __constant_cpu_to_le32(0x40000020) +#define STATUS_WX86_EXCEPTION_LASTCHANCE __constant_cpu_to_le32(0x40000021) +#define STATUS_WX86_EXCEPTION_CHAIN __constant_cpu_to_le32(0x40000022) +#define STATUS_IMAGE_MACHINE_TYPE_MISMATCH_EXE __constant_cpu_to_le32(0x40000023) +#define STATUS_NO_YIELD_PERFORMED __constant_cpu_to_le32(0x40000024) +#define STATUS_TIMER_RESUME_IGNORED __constant_cpu_to_le32(0x40000025) +#define STATUS_ARBITRATION_UNHANDLED __constant_cpu_to_le32(0x40000026) +#define STATUS_CARDBUS_NOT_SUPPORTED __constant_cpu_to_le32(0x40000027) +#define STATUS_WX86_CREATEWX86TIB __constant_cpu_to_le32(0x40000028) +#define STATUS_MP_PROCESSOR_MISMATCH __constant_cpu_to_le32(0x40000029) +#define STATUS_HIBERNATED __constant_cpu_to_le32(0x4000002A) +#define STATUS_RESUME_HIBERNATION __constant_cpu_to_le32(0x4000002B) +#define STATUS_FIRMWARE_UPDATED __constant_cpu_to_le32(0x4000002C) +#define STATUS_DRIVERS_LEAKING_LOCKED_PAGES __constant_cpu_to_le32(0x4000002D) +#define STATUS_MESSAGE_RETRIEVED __constant_cpu_to_le32(0x4000002E) +#define STATUS_SYSTEM_POWERSTATE_TRANSITION __constant_cpu_to_le32(0x4000002F) +#define STATUS_ALPC_CHECK_COMPLETION_LIST __constant_cpu_to_le32(0x40000030) +#define STATUS_SYSTEM_POWERSTATE_COMPLEX_TRANSITION __constant_cpu_to_le32(0x40000031) +#define STATUS_ACCESS_AUDIT_BY_POLICY __constant_cpu_to_le32(0x40000032) +#define STATUS_ABANDON_HIBERFILE __constant_cpu_to_le32(0x40000033) +#define STATUS_BIZRULES_NOT_ENABLED __constant_cpu_to_le32(0x40000034) +#define STATUS_WAKE_SYSTEM __constant_cpu_to_le32(0x40000294) +#define STATUS_DS_SHUTTING_DOWN __constant_cpu_to_le32(0x40000370) +#define DBG_REPLY_LATER __constant_cpu_to_le32(0x40010001) +#define DBG_UNABLE_TO_PROVIDE_HANDLE __constant_cpu_to_le32(0x40010002) +#define DBG_TERMINATE_THREAD __constant_cpu_to_le32(0x40010003) +#define DBG_TERMINATE_PROCESS __constant_cpu_to_le32(0x40010004) +#define DBG_CONTROL_C __constant_cpu_to_le32(0x40010005) +#define DBG_PRINTEXCEPTION_C __constant_cpu_to_le32(0x40010006) +#define DBG_RIPEXCEPTION __constant_cpu_to_le32(0x40010007) +#define DBG_CONTROL_BREAK __constant_cpu_to_le32(0x40010008) +#define DBG_COMMAND_EXCEPTION __constant_cpu_to_le32(0x40010009) +#define RPC_NT_UUID_LOCAL_ONLY __constant_cpu_to_le32(0x40020056) +#define RPC_NT_SEND_INCOMPLETE __constant_cpu_to_le32(0x400200AF) +#define STATUS_CTX_CDM_CONNECT __constant_cpu_to_le32(0x400A0004) +#define STATUS_CTX_CDM_DISCONNECT __constant_cpu_to_le32(0x400A0005) +#define STATUS_SXS_RELEASE_ACTIVATION_CONTEXT __constant_cpu_to_le32(0x4015000D) +#define STATUS_RECOVERY_NOT_NEEDED __constant_cpu_to_le32(0x40190034) +#define STATUS_RM_ALREADY_STARTED __constant_cpu_to_le32(0x40190035) +#define STATUS_LOG_NO_RESTART __constant_cpu_to_le32(0x401A000C) +#define STATUS_VIDEO_DRIVER_DEBUG_REPORT_REQUEST __constant_cpu_to_le32(0x401B00EC) +#define STATUS_GRAPHICS_PARTIAL_DATA_POPULATED __constant_cpu_to_le32(0x401E000A) +#define STATUS_GRAPHICS_DRIVER_MISMATCH __constant_cpu_to_le32(0x401E0117) +#define STATUS_GRAPHICS_MODE_NOT_PINNED __constant_cpu_to_le32(0x401E0307) +#define STATUS_GRAPHICS_NO_PREFERRED_MODE __constant_cpu_to_le32(0x401E031E) +#define STATUS_GRAPHICS_DATASET_IS_EMPTY __constant_cpu_to_le32(0x401E034B) +#define STATUS_GRAPHICS_NO_MORE_ELEMENTS_IN_DATASET __constant_cpu_to_le32(0x401E034C) +#define STATUS_GRAPHICS_PATH_CONTENT_GEOMETRY_TRANSFORMATION_NOT_PINNED __constant_cpu_to_le32(0x401E0351) +#define STATUS_GRAPHICS_UNKNOWN_CHILD_STATUS __constant_cpu_to_le32(0x401E042F) +#define STATUS_GRAPHICS_LEADLINK_START_DEFERRED __constant_cpu_to_le32(0x401E0437) +#define STATUS_GRAPHICS_POLLING_TOO_FREQUENTLY __constant_cpu_to_le32(0x401E0439) +#define STATUS_GRAPHICS_START_DEFERRED __constant_cpu_to_le32(0x401E043A) +#define STATUS_NDIS_INDICATION_REQUIRED __constant_cpu_to_le32(0x40230001) +#define STATUS_GUARD_PAGE_VIOLATION __constant_cpu_to_le32(0x80000001) +#define STATUS_DATATYPE_MISALIGNMENT __constant_cpu_to_le32(0x80000002) +#define STATUS_BREAKPOINT __constant_cpu_to_le32(0x80000003) +#define STATUS_SINGLE_STEP __constant_cpu_to_le32(0x80000004) +#define STATUS_BUFFER_OVERFLOW __constant_cpu_to_le32(0x80000005) +#define STATUS_NO_MORE_FILES __constant_cpu_to_le32(0x80000006) +#define STATUS_WAKE_SYSTEM_DEBUGGER __constant_cpu_to_le32(0x80000007) +#define STATUS_HANDLES_CLOSED __constant_cpu_to_le32(0x8000000A) +#define STATUS_NO_INHERITANCE __constant_cpu_to_le32(0x8000000B) +#define STATUS_GUID_SUBSTITUTION_MADE __constant_cpu_to_le32(0x8000000C) +#define STATUS_PARTIAL_COPY __constant_cpu_to_le32(0x8000000D) +#define STATUS_DEVICE_PAPER_EMPTY __constant_cpu_to_le32(0x8000000E) +#define STATUS_DEVICE_POWERED_OFF __constant_cpu_to_le32(0x8000000F) +#define STATUS_DEVICE_OFF_LINE __constant_cpu_to_le32(0x80000010) +#define STATUS_DEVICE_BUSY __constant_cpu_to_le32(0x80000011) +#define STATUS_NO_MORE_EAS __constant_cpu_to_le32(0x80000012) +#define STATUS_INVALID_EA_NAME __constant_cpu_to_le32(0x80000013) +#define STATUS_EA_LIST_INCONSISTENT __constant_cpu_to_le32(0x80000014) +#define STATUS_INVALID_EA_FLAG __constant_cpu_to_le32(0x80000015) +#define STATUS_VERIFY_REQUIRED __constant_cpu_to_le32(0x80000016) +#define STATUS_EXTRANEOUS_INFORMATION __constant_cpu_to_le32(0x80000017) +#define STATUS_RXACT_COMMIT_NECESSARY __constant_cpu_to_le32(0x80000018) +#define STATUS_NO_MORE_ENTRIES __constant_cpu_to_le32(0x8000001A) +#define STATUS_FILEMARK_DETECTED __constant_cpu_to_le32(0x8000001B) +#define STATUS_MEDIA_CHANGED __constant_cpu_to_le32(0x8000001C) +#define STATUS_BUS_RESET __constant_cpu_to_le32(0x8000001D) +#define STATUS_END_OF_MEDIA __constant_cpu_to_le32(0x8000001E) +#define STATUS_BEGINNING_OF_MEDIA __constant_cpu_to_le32(0x8000001F) +#define STATUS_MEDIA_CHECK __constant_cpu_to_le32(0x80000020) +#define STATUS_SETMARK_DETECTED __constant_cpu_to_le32(0x80000021) +#define STATUS_NO_DATA_DETECTED __constant_cpu_to_le32(0x80000022) +#define STATUS_REDIRECTOR_HAS_OPEN_HANDLES __constant_cpu_to_le32(0x80000023) +#define STATUS_SERVER_HAS_OPEN_HANDLES __constant_cpu_to_le32(0x80000024) +#define STATUS_ALREADY_DISCONNECTED __constant_cpu_to_le32(0x80000025) +#define STATUS_LONGJUMP __constant_cpu_to_le32(0x80000026) +#define STATUS_CLEANER_CARTRIDGE_INSTALLED __constant_cpu_to_le32(0x80000027) +#define STATUS_PLUGPLAY_QUERY_VETOED __constant_cpu_to_le32(0x80000028) +#define STATUS_UNWIND_CONSOLIDATE __constant_cpu_to_le32(0x80000029) +#define STATUS_REGISTRY_HIVE_RECOVERED __constant_cpu_to_le32(0x8000002A) +#define STATUS_DLL_MIGHT_BE_INSECURE __constant_cpu_to_le32(0x8000002B) +#define STATUS_DLL_MIGHT_BE_INCOMPATIBLE __constant_cpu_to_le32(0x8000002C) +#define STATUS_STOPPED_ON_SYMLINK __constant_cpu_to_le32(0x8000002D) +#define STATUS_DEVICE_REQUIRES_CLEANING __constant_cpu_to_le32(0x80000288) +#define STATUS_DEVICE_DOOR_OPEN __constant_cpu_to_le32(0x80000289) +#define STATUS_DATA_LOST_REPAIR __constant_cpu_to_le32(0x80000803) +#define DBG_EXCEPTION_NOT_HANDLED __constant_cpu_to_le32(0x80010001) +#define STATUS_CLUSTER_NODE_ALREADY_UP __constant_cpu_to_le32(0x80130001) +#define STATUS_CLUSTER_NODE_ALREADY_DOWN __constant_cpu_to_le32(0x80130002) +#define STATUS_CLUSTER_NETWORK_ALREADY_ONLINE __constant_cpu_to_le32(0x80130003) +#define STATUS_CLUSTER_NETWORK_ALREADY_OFFLINE __constant_cpu_to_le32(0x80130004) +#define STATUS_CLUSTER_NODE_ALREADY_MEMBER __constant_cpu_to_le32(0x80130005) +#define STATUS_COULD_NOT_RESIZE_LOG __constant_cpu_to_le32(0x80190009) +#define STATUS_NO_TXF_METADATA __constant_cpu_to_le32(0x80190029) +#define STATUS_CANT_RECOVER_WITH_HANDLE_OPEN __constant_cpu_to_le32(0x80190031) +#define STATUS_TXF_METADATA_ALREADY_PRESENT __constant_cpu_to_le32(0x80190041) +#define STATUS_TRANSACTION_SCOPE_CALLBACKS_NOT_SET __constant_cpu_to_le32(0x80190042) +#define STATUS_VIDEO_HUNG_DISPLAY_DRIVER_THREAD_RECOVERED __constant_cpu_to_le32(0x801B00EB) +#define STATUS_FLT_BUFFER_TOO_SMALL __constant_cpu_to_le32(0x801C0001) +#define STATUS_FVE_PARTIAL_METADATA __constant_cpu_to_le32(0x80210001) +#define STATUS_UNSUCCESSFUL __constant_cpu_to_le32(0xC0000001) +#define STATUS_NOT_IMPLEMENTED __constant_cpu_to_le32(0xC0000002) +#define STATUS_INVALID_INFO_CLASS __constant_cpu_to_le32(0xC0000003) +#define STATUS_INFO_LENGTH_MISMATCH __constant_cpu_to_le32(0xC0000004) +#define STATUS_ACCESS_VIOLATION __constant_cpu_to_le32(0xC0000005) +#define STATUS_IN_PAGE_ERROR __constant_cpu_to_le32(0xC0000006) +#define STATUS_PAGEFILE_QUOTA __constant_cpu_to_le32(0xC0000007) +#define STATUS_INVALID_HANDLE __constant_cpu_to_le32(0xC0000008) +#define STATUS_BAD_INITIAL_STACK __constant_cpu_to_le32(0xC0000009) +#define STATUS_BAD_INITIAL_PC __constant_cpu_to_le32(0xC000000A) +#define STATUS_INVALID_CID __constant_cpu_to_le32(0xC000000B) +#define STATUS_TIMER_NOT_CANCELED __constant_cpu_to_le32(0xC000000C) +#define STATUS_INVALID_PARAMETER __constant_cpu_to_le32(0xC000000D) +#define STATUS_NO_SUCH_DEVICE __constant_cpu_to_le32(0xC000000E) +#define STATUS_NO_SUCH_FILE __constant_cpu_to_le32(0xC000000F) +#define STATUS_INVALID_DEVICE_REQUEST __constant_cpu_to_le32(0xC0000010) +#define STATUS_END_OF_FILE __constant_cpu_to_le32(0xC0000011) +#define STATUS_WRONG_VOLUME __constant_cpu_to_le32(0xC0000012) +#define STATUS_NO_MEDIA_IN_DEVICE __constant_cpu_to_le32(0xC0000013) +#define STATUS_UNRECOGNIZED_MEDIA __constant_cpu_to_le32(0xC0000014) +#define STATUS_NONEXISTENT_SECTOR __constant_cpu_to_le32(0xC0000015) +#define STATUS_MORE_PROCESSING_REQUIRED __constant_cpu_to_le32(0xC0000016) +#define STATUS_NO_MEMORY __constant_cpu_to_le32(0xC0000017) +#define STATUS_CONFLICTING_ADDRESSES __constant_cpu_to_le32(0xC0000018) +#define STATUS_NOT_MAPPED_VIEW __constant_cpu_to_le32(0xC0000019) +#define STATUS_UNABLE_TO_FREE_VM __constant_cpu_to_le32(0xC000001A) +#define STATUS_UNABLE_TO_DELETE_SECTION __constant_cpu_to_le32(0xC000001B) +#define STATUS_INVALID_SYSTEM_SERVICE __constant_cpu_to_le32(0xC000001C) +#define STATUS_ILLEGAL_INSTRUCTION __constant_cpu_to_le32(0xC000001D) +#define STATUS_INVALID_LOCK_SEQUENCE __constant_cpu_to_le32(0xC000001E) +#define STATUS_INVALID_VIEW_SIZE __constant_cpu_to_le32(0xC000001F) +#define STATUS_INVALID_FILE_FOR_SECTION __constant_cpu_to_le32(0xC0000020) +#define STATUS_ALREADY_COMMITTED __constant_cpu_to_le32(0xC0000021) +#define STATUS_ACCESS_DENIED __constant_cpu_to_le32(0xC0000022) +#define STATUS_BUFFER_TOO_SMALL __constant_cpu_to_le32(0xC0000023) +#define STATUS_OBJECT_TYPE_MISMATCH __constant_cpu_to_le32(0xC0000024) +#define STATUS_NONCONTINUABLE_EXCEPTION __constant_cpu_to_le32(0xC0000025) +#define STATUS_INVALID_DISPOSITION __constant_cpu_to_le32(0xC0000026) +#define STATUS_UNWIND __constant_cpu_to_le32(0xC0000027) +#define STATUS_BAD_STACK __constant_cpu_to_le32(0xC0000028) +#define STATUS_INVALID_UNWIND_TARGET __constant_cpu_to_le32(0xC0000029) +#define STATUS_NOT_LOCKED __constant_cpu_to_le32(0xC000002A) +#define STATUS_PARITY_ERROR __constant_cpu_to_le32(0xC000002B) +#define STATUS_UNABLE_TO_DECOMMIT_VM __constant_cpu_to_le32(0xC000002C) +#define STATUS_NOT_COMMITTED __constant_cpu_to_le32(0xC000002D) +#define STATUS_INVALID_PORT_ATTRIBUTES __constant_cpu_to_le32(0xC000002E) +#define STATUS_PORT_MESSAGE_TOO_LONG __constant_cpu_to_le32(0xC000002F) +#define STATUS_INVALID_PARAMETER_MIX __constant_cpu_to_le32(0xC0000030) +#define STATUS_INVALID_QUOTA_LOWER __constant_cpu_to_le32(0xC0000031) +#define STATUS_DISK_CORRUPT_ERROR __constant_cpu_to_le32(0xC0000032) +#define STATUS_OBJECT_NAME_INVALID __constant_cpu_to_le32(0xC0000033) +#define STATUS_OBJECT_NAME_NOT_FOUND __constant_cpu_to_le32(0xC0000034) +#define STATUS_OBJECT_NAME_COLLISION __constant_cpu_to_le32(0xC0000035) +#define STATUS_PORT_DISCONNECTED __constant_cpu_to_le32(0xC0000037) +#define STATUS_DEVICE_ALREADY_ATTACHED __constant_cpu_to_le32(0xC0000038) +#define STATUS_OBJECT_PATH_INVALID __constant_cpu_to_le32(0xC0000039) +#define STATUS_OBJECT_PATH_NOT_FOUND __constant_cpu_to_le32(0xC000003A) +#define STATUS_OBJECT_PATH_SYNTAX_BAD __constant_cpu_to_le32(0xC000003B) +#define STATUS_DATA_OVERRUN __constant_cpu_to_le32(0xC000003C) +#define STATUS_DATA_LATE_ERROR __constant_cpu_to_le32(0xC000003D) +#define STATUS_DATA_ERROR __constant_cpu_to_le32(0xC000003E) +#define STATUS_CRC_ERROR __constant_cpu_to_le32(0xC000003F) +#define STATUS_SECTION_TOO_BIG __constant_cpu_to_le32(0xC0000040) +#define STATUS_PORT_CONNECTION_REFUSED __constant_cpu_to_le32(0xC0000041) +#define STATUS_INVALID_PORT_HANDLE __constant_cpu_to_le32(0xC0000042) +#define STATUS_SHARING_VIOLATION __constant_cpu_to_le32(0xC0000043) +#define STATUS_QUOTA_EXCEEDED __constant_cpu_to_le32(0xC0000044) +#define STATUS_INVALID_PAGE_PROTECTION __constant_cpu_to_le32(0xC0000045) +#define STATUS_MUTANT_NOT_OWNED __constant_cpu_to_le32(0xC0000046) +#define STATUS_SEMAPHORE_LIMIT_EXCEEDED __constant_cpu_to_le32(0xC0000047) +#define STATUS_PORT_ALREADY_SET __constant_cpu_to_le32(0xC0000048) +#define STATUS_SECTION_NOT_IMAGE __constant_cpu_to_le32(0xC0000049) +#define STATUS_SUSPEND_COUNT_EXCEEDED __constant_cpu_to_le32(0xC000004A) +#define STATUS_THREAD_IS_TERMINATING __constant_cpu_to_le32(0xC000004B) +#define STATUS_BAD_WORKING_SET_LIMIT __constant_cpu_to_le32(0xC000004C) +#define STATUS_INCOMPATIBLE_FILE_MAP __constant_cpu_to_le32(0xC000004D) +#define STATUS_SECTION_PROTECTION __constant_cpu_to_le32(0xC000004E) +#define STATUS_EAS_NOT_SUPPORTED __constant_cpu_to_le32(0xC000004F) +#define STATUS_EA_TOO_LARGE __constant_cpu_to_le32(0xC0000050) +#define STATUS_NONEXISTENT_EA_ENTRY __constant_cpu_to_le32(0xC0000051) +#define STATUS_NO_EAS_ON_FILE __constant_cpu_to_le32(0xC0000052) +#define STATUS_EA_CORRUPT_ERROR __constant_cpu_to_le32(0xC0000053) +#define STATUS_FILE_LOCK_CONFLICT __constant_cpu_to_le32(0xC0000054) +#define STATUS_LOCK_NOT_GRANTED __constant_cpu_to_le32(0xC0000055) +#define STATUS_DELETE_PENDING __constant_cpu_to_le32(0xC0000056) +#define STATUS_CTL_FILE_NOT_SUPPORTED __constant_cpu_to_le32(0xC0000057) +#define STATUS_UNKNOWN_REVISION __constant_cpu_to_le32(0xC0000058) +#define STATUS_REVISION_MISMATCH __constant_cpu_to_le32(0xC0000059) +#define STATUS_INVALID_OWNER __constant_cpu_to_le32(0xC000005A) +#define STATUS_INVALID_PRIMARY_GROUP __constant_cpu_to_le32(0xC000005B) +#define STATUS_NO_IMPERSONATION_TOKEN __constant_cpu_to_le32(0xC000005C) +#define STATUS_CANT_DISABLE_MANDATORY __constant_cpu_to_le32(0xC000005D) +#define STATUS_NO_LOGON_SERVERS __constant_cpu_to_le32(0xC000005E) +#define STATUS_NO_SUCH_LOGON_SESSION __constant_cpu_to_le32(0xC000005F) +#define STATUS_NO_SUCH_PRIVILEGE __constant_cpu_to_le32(0xC0000060) +#define STATUS_PRIVILEGE_NOT_HELD __constant_cpu_to_le32(0xC0000061) +#define STATUS_INVALID_ACCOUNT_NAME __constant_cpu_to_le32(0xC0000062) +#define STATUS_USER_EXISTS __constant_cpu_to_le32(0xC0000063) +#define STATUS_NO_SUCH_USER __constant_cpu_to_le32(0xC0000064) +#define STATUS_GROUP_EXISTS __constant_cpu_to_le32(0xC0000065) +#define STATUS_NO_SUCH_GROUP __constant_cpu_to_le32(0xC0000066) +#define STATUS_MEMBER_IN_GROUP __constant_cpu_to_le32(0xC0000067) +#define STATUS_MEMBER_NOT_IN_GROUP __constant_cpu_to_le32(0xC0000068) +#define STATUS_LAST_ADMIN __constant_cpu_to_le32(0xC0000069) +#define STATUS_WRONG_PASSWORD __constant_cpu_to_le32(0xC000006A) +#define STATUS_ILL_FORMED_PASSWORD __constant_cpu_to_le32(0xC000006B) +#define STATUS_PASSWORD_RESTRICTION __constant_cpu_to_le32(0xC000006C) +#define STATUS_LOGON_FAILURE __constant_cpu_to_le32(0xC000006D) +#define STATUS_ACCOUNT_RESTRICTION __constant_cpu_to_le32(0xC000006E) +#define STATUS_INVALID_LOGON_HOURS __constant_cpu_to_le32(0xC000006F) +#define STATUS_INVALID_WORKSTATION __constant_cpu_to_le32(0xC0000070) +#define STATUS_PASSWORD_EXPIRED __constant_cpu_to_le32(0xC0000071) +#define STATUS_ACCOUNT_DISABLED __constant_cpu_to_le32(0xC0000072) +#define STATUS_NONE_MAPPED __constant_cpu_to_le32(0xC0000073) +#define STATUS_TOO_MANY_LUIDS_REQUESTED __constant_cpu_to_le32(0xC0000074) +#define STATUS_LUIDS_EXHAUSTED __constant_cpu_to_le32(0xC0000075) +#define STATUS_INVALID_SUB_AUTHORITY __constant_cpu_to_le32(0xC0000076) +#define STATUS_INVALID_ACL __constant_cpu_to_le32(0xC0000077) +#define STATUS_INVALID_SID __constant_cpu_to_le32(0xC0000078) +#define STATUS_INVALID_SECURITY_DESCR __constant_cpu_to_le32(0xC0000079) +#define STATUS_PROCEDURE_NOT_FOUND __constant_cpu_to_le32(0xC000007A) +#define STATUS_INVALID_IMAGE_FORMAT __constant_cpu_to_le32(0xC000007B) +#define STATUS_NO_TOKEN __constant_cpu_to_le32(0xC000007C) +#define STATUS_BAD_INHERITANCE_ACL __constant_cpu_to_le32(0xC000007D) +#define STATUS_RANGE_NOT_LOCKED __constant_cpu_to_le32(0xC000007E) +#define STATUS_DISK_FULL __constant_cpu_to_le32(0xC000007F) +#define STATUS_SERVER_DISABLED __constant_cpu_to_le32(0xC0000080) +#define STATUS_SERVER_NOT_DISABLED __constant_cpu_to_le32(0xC0000081) +#define STATUS_TOO_MANY_GUIDS_REQUESTED __constant_cpu_to_le32(0xC0000082) +#define STATUS_GUIDS_EXHAUSTED __constant_cpu_to_le32(0xC0000083) +#define STATUS_INVALID_ID_AUTHORITY __constant_cpu_to_le32(0xC0000084) +#define STATUS_AGENTS_EXHAUSTED __constant_cpu_to_le32(0xC0000085) +#define STATUS_INVALID_VOLUME_LABEL __constant_cpu_to_le32(0xC0000086) +#define STATUS_SECTION_NOT_EXTENDED __constant_cpu_to_le32(0xC0000087) +#define STATUS_NOT_MAPPED_DATA __constant_cpu_to_le32(0xC0000088) +#define STATUS_RESOURCE_DATA_NOT_FOUND __constant_cpu_to_le32(0xC0000089) +#define STATUS_RESOURCE_TYPE_NOT_FOUND __constant_cpu_to_le32(0xC000008A) +#define STATUS_RESOURCE_NAME_NOT_FOUND __constant_cpu_to_le32(0xC000008B) +#define STATUS_ARRAY_BOUNDS_EXCEEDED __constant_cpu_to_le32(0xC000008C) +#define STATUS_FLOAT_DENORMAL_OPERAND __constant_cpu_to_le32(0xC000008D) +#define STATUS_FLOAT_DIVIDE_BY_ZERO __constant_cpu_to_le32(0xC000008E) +#define STATUS_FLOAT_INEXACT_RESULT __constant_cpu_to_le32(0xC000008F) +#define STATUS_FLOAT_INVALID_OPERATION __constant_cpu_to_le32(0xC0000090) +#define STATUS_FLOAT_OVERFLOW __constant_cpu_to_le32(0xC0000091) +#define STATUS_FLOAT_STACK_CHECK __constant_cpu_to_le32(0xC0000092) +#define STATUS_FLOAT_UNDERFLOW __constant_cpu_to_le32(0xC0000093) +#define STATUS_INTEGER_DIVIDE_BY_ZERO __constant_cpu_to_le32(0xC0000094) +#define STATUS_INTEGER_OVERFLOW __constant_cpu_to_le32(0xC0000095) +#define STATUS_PRIVILEGED_INSTRUCTION __constant_cpu_to_le32(0xC0000096) +#define STATUS_TOO_MANY_PAGING_FILES __constant_cpu_to_le32(0xC0000097) +#define STATUS_FILE_INVALID __constant_cpu_to_le32(0xC0000098) +#define STATUS_ALLOTTED_SPACE_EXCEEDED __constant_cpu_to_le32(0xC0000099) +#define STATUS_INSUFFICIENT_RESOURCES __constant_cpu_to_le32(0xC000009A) +#define STATUS_DFS_EXIT_PATH_FOUND __constant_cpu_to_le32(0xC000009B) +#define STATUS_DEVICE_DATA_ERROR __constant_cpu_to_le32(0xC000009C) +#define STATUS_DEVICE_NOT_CONNECTED __constant_cpu_to_le32(0xC000009D) +#define STATUS_DEVICE_POWER_FAILURE __constant_cpu_to_le32(0xC000009E) +#define STATUS_FREE_VM_NOT_AT_BASE __constant_cpu_to_le32(0xC000009F) +#define STATUS_MEMORY_NOT_ALLOCATED __constant_cpu_to_le32(0xC00000A0) +#define STATUS_WORKING_SET_QUOTA __constant_cpu_to_le32(0xC00000A1) +#define STATUS_MEDIA_WRITE_PROTECTED __constant_cpu_to_le32(0xC00000A2) +#define STATUS_DEVICE_NOT_READY __constant_cpu_to_le32(0xC00000A3) +#define STATUS_INVALID_GROUP_ATTRIBUTES __constant_cpu_to_le32(0xC00000A4) +#define STATUS_BAD_IMPERSONATION_LEVEL __constant_cpu_to_le32(0xC00000A5) +#define STATUS_CANT_OPEN_ANONYMOUS __constant_cpu_to_le32(0xC00000A6) +#define STATUS_BAD_VALIDATION_CLASS __constant_cpu_to_le32(0xC00000A7) +#define STATUS_BAD_TOKEN_TYPE __constant_cpu_to_le32(0xC00000A8) +#define STATUS_BAD_MASTER_BOOT_RECORD __constant_cpu_to_le32(0xC00000A9) +#define STATUS_INSTRUCTION_MISALIGNMENT __constant_cpu_to_le32(0xC00000AA) +#define STATUS_INSTANCE_NOT_AVAILABLE __constant_cpu_to_le32(0xC00000AB) +#define STATUS_PIPE_NOT_AVAILABLE __constant_cpu_to_le32(0xC00000AC) +#define STATUS_INVALID_PIPE_STATE __constant_cpu_to_le32(0xC00000AD) +#define STATUS_PIPE_BUSY __constant_cpu_to_le32(0xC00000AE) +#define STATUS_ILLEGAL_FUNCTION __constant_cpu_to_le32(0xC00000AF) +#define STATUS_PIPE_DISCONNECTED __constant_cpu_to_le32(0xC00000B0) +#define STATUS_PIPE_CLOSING __constant_cpu_to_le32(0xC00000B1) +#define STATUS_PIPE_CONNECTED __constant_cpu_to_le32(0xC00000B2) +#define STATUS_PIPE_LISTENING __constant_cpu_to_le32(0xC00000B3) +#define STATUS_INVALID_READ_MODE __constant_cpu_to_le32(0xC00000B4) +#define STATUS_IO_TIMEOUT __constant_cpu_to_le32(0xC00000B5) +#define STATUS_FILE_FORCED_CLOSED __constant_cpu_to_le32(0xC00000B6) +#define STATUS_PROFILING_NOT_STARTED __constant_cpu_to_le32(0xC00000B7) +#define STATUS_PROFILING_NOT_STOPPED __constant_cpu_to_le32(0xC00000B8) +#define STATUS_COULD_NOT_INTERPRET __constant_cpu_to_le32(0xC00000B9) +#define STATUS_FILE_IS_A_DIRECTORY __constant_cpu_to_le32(0xC00000BA) +#define STATUS_NOT_SUPPORTED __constant_cpu_to_le32(0xC00000BB) +#define STATUS_REMOTE_NOT_LISTENING __constant_cpu_to_le32(0xC00000BC) +#define STATUS_DUPLICATE_NAME __constant_cpu_to_le32(0xC00000BD) +#define STATUS_BAD_NETWORK_PATH __constant_cpu_to_le32(0xC00000BE) +#define STATUS_NETWORK_BUSY __constant_cpu_to_le32(0xC00000BF) +#define STATUS_DEVICE_DOES_NOT_EXIST __constant_cpu_to_le32(0xC00000C0) +#define STATUS_TOO_MANY_COMMANDS __constant_cpu_to_le32(0xC00000C1) +#define STATUS_ADAPTER_HARDWARE_ERROR __constant_cpu_to_le32(0xC00000C2) +#define STATUS_INVALID_NETWORK_RESPONSE __constant_cpu_to_le32(0xC00000C3) +#define STATUS_UNEXPECTED_NETWORK_ERROR __constant_cpu_to_le32(0xC00000C4) +#define STATUS_BAD_REMOTE_ADAPTER __constant_cpu_to_le32(0xC00000C5) +#define STATUS_PRINT_QUEUE_FULL __constant_cpu_to_le32(0xC00000C6) +#define STATUS_NO_SPOOL_SPACE __constant_cpu_to_le32(0xC00000C7) +#define STATUS_PRINT_CANCELLED __constant_cpu_to_le32(0xC00000C8) +#define STATUS_NETWORK_NAME_DELETED __constant_cpu_to_le32(0xC00000C9) +#define STATUS_NETWORK_ACCESS_DENIED __constant_cpu_to_le32(0xC00000CA) +#define STATUS_BAD_DEVICE_TYPE __constant_cpu_to_le32(0xC00000CB) +#define STATUS_BAD_NETWORK_NAME __constant_cpu_to_le32(0xC00000CC) +#define STATUS_TOO_MANY_NAMES __constant_cpu_to_le32(0xC00000CD) +#define STATUS_TOO_MANY_SESSIONS __constant_cpu_to_le32(0xC00000CE) +#define STATUS_SHARING_PAUSED __constant_cpu_to_le32(0xC00000CF) +#define STATUS_REQUEST_NOT_ACCEPTED __constant_cpu_to_le32(0xC00000D0) +#define STATUS_REDIRECTOR_PAUSED __constant_cpu_to_le32(0xC00000D1) +#define STATUS_NET_WRITE_FAULT __constant_cpu_to_le32(0xC00000D2) +#define STATUS_PROFILING_AT_LIMIT __constant_cpu_to_le32(0xC00000D3) +#define STATUS_NOT_SAME_DEVICE __constant_cpu_to_le32(0xC00000D4) +#define STATUS_FILE_RENAMED __constant_cpu_to_le32(0xC00000D5) +#define STATUS_VIRTUAL_CIRCUIT_CLOSED __constant_cpu_to_le32(0xC00000D6) +#define STATUS_NO_SECURITY_ON_OBJECT __constant_cpu_to_le32(0xC00000D7) +#define STATUS_CANT_WAIT __constant_cpu_to_le32(0xC00000D8) +#define STATUS_PIPE_EMPTY __constant_cpu_to_le32(0xC00000D9) +#define STATUS_CANT_ACCESS_DOMAIN_INFO __constant_cpu_to_le32(0xC00000DA) +#define STATUS_CANT_TERMINATE_SELF __constant_cpu_to_le32(0xC00000DB) +#define STATUS_INVALID_SERVER_STATE __constant_cpu_to_le32(0xC00000DC) +#define STATUS_INVALID_DOMAIN_STATE __constant_cpu_to_le32(0xC00000DD) +#define STATUS_INVALID_DOMAIN_ROLE __constant_cpu_to_le32(0xC00000DE) +#define STATUS_NO_SUCH_DOMAIN __constant_cpu_to_le32(0xC00000DF) +#define STATUS_DOMAIN_EXISTS __constant_cpu_to_le32(0xC00000E0) +#define STATUS_DOMAIN_LIMIT_EXCEEDED __constant_cpu_to_le32(0xC00000E1) +#define STATUS_OPLOCK_NOT_GRANTED __constant_cpu_to_le32(0xC00000E2) +#define STATUS_INVALID_OPLOCK_PROTOCOL __constant_cpu_to_le32(0xC00000E3) +#define STATUS_INTERNAL_DB_CORRUPTION __constant_cpu_to_le32(0xC00000E4) +#define STATUS_INTERNAL_ERROR __constant_cpu_to_le32(0xC00000E5) +#define STATUS_GENERIC_NOT_MAPPED __constant_cpu_to_le32(0xC00000E6) +#define STATUS_BAD_DESCRIPTOR_FORMAT __constant_cpu_to_le32(0xC00000E7) +#define STATUS_INVALID_USER_BUFFER __constant_cpu_to_le32(0xC00000E8) +#define STATUS_UNEXPECTED_IO_ERROR __constant_cpu_to_le32(0xC00000E9) +#define STATUS_UNEXPECTED_MM_CREATE_ERR __constant_cpu_to_le32(0xC00000EA) +#define STATUS_UNEXPECTED_MM_MAP_ERROR __constant_cpu_to_le32(0xC00000EB) +#define STATUS_UNEXPECTED_MM_EXTEND_ERR __constant_cpu_to_le32(0xC00000EC) +#define STATUS_NOT_LOGON_PROCESS __constant_cpu_to_le32(0xC00000ED) +#define STATUS_LOGON_SESSION_EXISTS __constant_cpu_to_le32(0xC00000EE) +#define STATUS_INVALID_PARAMETER_1 __constant_cpu_to_le32(0xC00000EF) +#define STATUS_INVALID_PARAMETER_2 __constant_cpu_to_le32(0xC00000F0) +#define STATUS_INVALID_PARAMETER_3 __constant_cpu_to_le32(0xC00000F1) +#define STATUS_INVALID_PARAMETER_4 __constant_cpu_to_le32(0xC00000F2) +#define STATUS_INVALID_PARAMETER_5 __constant_cpu_to_le32(0xC00000F3) +#define STATUS_INVALID_PARAMETER_6 __constant_cpu_to_le32(0xC00000F4) +#define STATUS_INVALID_PARAMETER_7 __constant_cpu_to_le32(0xC00000F5) +#define STATUS_INVALID_PARAMETER_8 __constant_cpu_to_le32(0xC00000F6) +#define STATUS_INVALID_PARAMETER_9 __constant_cpu_to_le32(0xC00000F7) +#define STATUS_INVALID_PARAMETER_10 __constant_cpu_to_le32(0xC00000F8) +#define STATUS_INVALID_PARAMETER_11 __constant_cpu_to_le32(0xC00000F9) +#define STATUS_INVALID_PARAMETER_12 __constant_cpu_to_le32(0xC00000FA) +#define STATUS_REDIRECTOR_NOT_STARTED __constant_cpu_to_le32(0xC00000FB) +#define STATUS_REDIRECTOR_STARTED __constant_cpu_to_le32(0xC00000FC) +#define STATUS_STACK_OVERFLOW __constant_cpu_to_le32(0xC00000FD) +#define STATUS_NO_SUCH_PACKAGE __constant_cpu_to_le32(0xC00000FE) +#define STATUS_BAD_FUNCTION_TABLE __constant_cpu_to_le32(0xC00000FF) +#define STATUS_VARIABLE_NOT_FOUND __constant_cpu_to_le32(0xC0000100) +#define STATUS_DIRECTORY_NOT_EMPTY __constant_cpu_to_le32(0xC0000101) +#define STATUS_FILE_CORRUPT_ERROR __constant_cpu_to_le32(0xC0000102) +#define STATUS_NOT_A_DIRECTORY __constant_cpu_to_le32(0xC0000103) +#define STATUS_BAD_LOGON_SESSION_STATE __constant_cpu_to_le32(0xC0000104) +#define STATUS_LOGON_SESSION_COLLISION __constant_cpu_to_le32(0xC0000105) +#define STATUS_NAME_TOO_LONG __constant_cpu_to_le32(0xC0000106) +#define STATUS_FILES_OPEN __constant_cpu_to_le32(0xC0000107) +#define STATUS_CONNECTION_IN_USE __constant_cpu_to_le32(0xC0000108) +#define STATUS_MESSAGE_NOT_FOUND __constant_cpu_to_le32(0xC0000109) +#define STATUS_PROCESS_IS_TERMINATING __constant_cpu_to_le32(0xC000010A) +#define STATUS_INVALID_LOGON_TYPE __constant_cpu_to_le32(0xC000010B) +#define STATUS_NO_GUID_TRANSLATION __constant_cpu_to_le32(0xC000010C) +#define STATUS_CANNOT_IMPERSONATE __constant_cpu_to_le32(0xC000010D) +#define STATUS_IMAGE_ALREADY_LOADED __constant_cpu_to_le32(0xC000010E) +#define STATUS_ABIOS_NOT_PRESENT __constant_cpu_to_le32(0xC000010F) +#define STATUS_ABIOS_LID_NOT_EXIST __constant_cpu_to_le32(0xC0000110) +#define STATUS_ABIOS_LID_ALREADY_OWNED __constant_cpu_to_le32(0xC0000111) +#define STATUS_ABIOS_NOT_LID_OWNER __constant_cpu_to_le32(0xC0000112) +#define STATUS_ABIOS_INVALID_COMMAND __constant_cpu_to_le32(0xC0000113) +#define STATUS_ABIOS_INVALID_LID __constant_cpu_to_le32(0xC0000114) +#define STATUS_ABIOS_SELECTOR_NOT_AVAILABLE __constant_cpu_to_le32(0xC0000115) +#define STATUS_ABIOS_INVALID_SELECTOR __constant_cpu_to_le32(0xC0000116) +#define STATUS_NO_LDT __constant_cpu_to_le32(0xC0000117) +#define STATUS_INVALID_LDT_SIZE __constant_cpu_to_le32(0xC0000118) +#define STATUS_INVALID_LDT_OFFSET __constant_cpu_to_le32(0xC0000119) +#define STATUS_INVALID_LDT_DESCRIPTOR __constant_cpu_to_le32(0xC000011A) +#define STATUS_INVALID_IMAGE_NE_FORMAT __constant_cpu_to_le32(0xC000011B) +#define STATUS_RXACT_INVALID_STATE __constant_cpu_to_le32(0xC000011C) +#define STATUS_RXACT_COMMIT_FAILURE __constant_cpu_to_le32(0xC000011D) +#define STATUS_MAPPED_FILE_SIZE_ZERO __constant_cpu_to_le32(0xC000011E) +#define STATUS_TOO_MANY_OPENED_FILES __constant_cpu_to_le32(0xC000011F) +#define STATUS_CANCELLED __constant_cpu_to_le32(0xC0000120) +#define STATUS_CANNOT_DELETE __constant_cpu_to_le32(0xC0000121) +#define STATUS_INVALID_COMPUTER_NAME __constant_cpu_to_le32(0xC0000122) +#define STATUS_FILE_DELETED __constant_cpu_to_le32(0xC0000123) +#define STATUS_SPECIAL_ACCOUNT __constant_cpu_to_le32(0xC0000124) +#define STATUS_SPECIAL_GROUP __constant_cpu_to_le32(0xC0000125) +#define STATUS_SPECIAL_USER __constant_cpu_to_le32(0xC0000126) +#define STATUS_MEMBERS_PRIMARY_GROUP __constant_cpu_to_le32(0xC0000127) +#define STATUS_FILE_CLOSED __constant_cpu_to_le32(0xC0000128) +#define STATUS_TOO_MANY_THREADS __constant_cpu_to_le32(0xC0000129) +#define STATUS_THREAD_NOT_IN_PROCESS __constant_cpu_to_le32(0xC000012A) +#define STATUS_TOKEN_ALREADY_IN_USE __constant_cpu_to_le32(0xC000012B) +#define STATUS_PAGEFILE_QUOTA_EXCEEDED __constant_cpu_to_le32(0xC000012C) +#define STATUS_COMMITMENT_LIMIT __constant_cpu_to_le32(0xC000012D) +#define STATUS_INVALID_IMAGE_LE_FORMAT __constant_cpu_to_le32(0xC000012E) +#define STATUS_INVALID_IMAGE_NOT_MZ __constant_cpu_to_le32(0xC000012F) +#define STATUS_INVALID_IMAGE_PROTECT __constant_cpu_to_le32(0xC0000130) +#define STATUS_INVALID_IMAGE_WIN_16 __constant_cpu_to_le32(0xC0000131) +#define STATUS_LOGON_SERVER_CONFLICT __constant_cpu_to_le32(0xC0000132) +#define STATUS_TIME_DIFFERENCE_AT_DC __constant_cpu_to_le32(0xC0000133) +#define STATUS_SYNCHRONIZATION_REQUIRED __constant_cpu_to_le32(0xC0000134) +#define STATUS_DLL_NOT_FOUND __constant_cpu_to_le32(0xC0000135) +#define STATUS_OPEN_FAILED __constant_cpu_to_le32(0xC0000136) +#define STATUS_IO_PRIVILEGE_FAILED __constant_cpu_to_le32(0xC0000137) +#define STATUS_ORDINAL_NOT_FOUND __constant_cpu_to_le32(0xC0000138) +#define STATUS_ENTRYPOINT_NOT_FOUND __constant_cpu_to_le32(0xC0000139) +#define STATUS_CONTROL_C_EXIT __constant_cpu_to_le32(0xC000013A) +#define STATUS_LOCAL_DISCONNECT __constant_cpu_to_le32(0xC000013B) +#define STATUS_REMOTE_DISCONNECT __constant_cpu_to_le32(0xC000013C) +#define STATUS_REMOTE_RESOURCES __constant_cpu_to_le32(0xC000013D) +#define STATUS_LINK_FAILED __constant_cpu_to_le32(0xC000013E) +#define STATUS_LINK_TIMEOUT __constant_cpu_to_le32(0xC000013F) +#define STATUS_INVALID_CONNECTION __constant_cpu_to_le32(0xC0000140) +#define STATUS_INVALID_ADDRESS __constant_cpu_to_le32(0xC0000141) +#define STATUS_DLL_INIT_FAILED __constant_cpu_to_le32(0xC0000142) +#define STATUS_MISSING_SYSTEMFILE __constant_cpu_to_le32(0xC0000143) +#define STATUS_UNHANDLED_EXCEPTION __constant_cpu_to_le32(0xC0000144) +#define STATUS_APP_INIT_FAILURE __constant_cpu_to_le32(0xC0000145) +#define STATUS_PAGEFILE_CREATE_FAILED __constant_cpu_to_le32(0xC0000146) +#define STATUS_NO_PAGEFILE __constant_cpu_to_le32(0xC0000147) +#define STATUS_INVALID_LEVEL __constant_cpu_to_le32(0xC0000148) +#define STATUS_WRONG_PASSWORD_CORE __constant_cpu_to_le32(0xC0000149) +#define STATUS_ILLEGAL_FLOAT_CONTEXT __constant_cpu_to_le32(0xC000014A) +#define STATUS_PIPE_BROKEN __constant_cpu_to_le32(0xC000014B) +#define STATUS_REGISTRY_CORRUPT __constant_cpu_to_le32(0xC000014C) +#define STATUS_REGISTRY_IO_FAILED __constant_cpu_to_le32(0xC000014D) +#define STATUS_NO_EVENT_PAIR __constant_cpu_to_le32(0xC000014E) +#define STATUS_UNRECOGNIZED_VOLUME __constant_cpu_to_le32(0xC000014F) +#define STATUS_SERIAL_NO_DEVICE_INITED __constant_cpu_to_le32(0xC0000150) +#define STATUS_NO_SUCH_ALIAS __constant_cpu_to_le32(0xC0000151) +#define STATUS_MEMBER_NOT_IN_ALIAS __constant_cpu_to_le32(0xC0000152) +#define STATUS_MEMBER_IN_ALIAS __constant_cpu_to_le32(0xC0000153) +#define STATUS_ALIAS_EXISTS __constant_cpu_to_le32(0xC0000154) +#define STATUS_LOGON_NOT_GRANTED __constant_cpu_to_le32(0xC0000155) +#define STATUS_TOO_MANY_SECRETS __constant_cpu_to_le32(0xC0000156) +#define STATUS_SECRET_TOO_LONG __constant_cpu_to_le32(0xC0000157) +#define STATUS_INTERNAL_DB_ERROR __constant_cpu_to_le32(0xC0000158) +#define STATUS_FULLSCREEN_MODE __constant_cpu_to_le32(0xC0000159) +#define STATUS_TOO_MANY_CONTEXT_IDS __constant_cpu_to_le32(0xC000015A) +#define STATUS_LOGON_TYPE_NOT_GRANTED __constant_cpu_to_le32(0xC000015B) +#define STATUS_NOT_REGISTRY_FILE __constant_cpu_to_le32(0xC000015C) +#define STATUS_NT_CROSS_ENCRYPTION_REQUIRED __constant_cpu_to_le32(0xC000015D) +#define STATUS_DOMAIN_CTRLR_CONFIG_ERROR __constant_cpu_to_le32(0xC000015E) +#define STATUS_FT_MISSING_MEMBER __constant_cpu_to_le32(0xC000015F) +#define STATUS_ILL_FORMED_SERVICE_ENTRY __constant_cpu_to_le32(0xC0000160) +#define STATUS_ILLEGAL_CHARACTER __constant_cpu_to_le32(0xC0000161) +#define STATUS_UNMAPPABLE_CHARACTER __constant_cpu_to_le32(0xC0000162) +#define STATUS_UNDEFINED_CHARACTER __constant_cpu_to_le32(0xC0000163) +#define STATUS_FLOPPY_VOLUME __constant_cpu_to_le32(0xC0000164) +#define STATUS_FLOPPY_ID_MARK_NOT_FOUND __constant_cpu_to_le32(0xC0000165) +#define STATUS_FLOPPY_WRONG_CYLINDER __constant_cpu_to_le32(0xC0000166) +#define STATUS_FLOPPY_UNKNOWN_ERROR __constant_cpu_to_le32(0xC0000167) +#define STATUS_FLOPPY_BAD_REGISTERS __constant_cpu_to_le32(0xC0000168) +#define STATUS_DISK_RECALIBRATE_FAILED __constant_cpu_to_le32(0xC0000169) +#define STATUS_DISK_OPERATION_FAILED __constant_cpu_to_le32(0xC000016A) +#define STATUS_DISK_RESET_FAILED __constant_cpu_to_le32(0xC000016B) +#define STATUS_SHARED_IRQ_BUSY __constant_cpu_to_le32(0xC000016C) +#define STATUS_FT_ORPHANING __constant_cpu_to_le32(0xC000016D) +#define STATUS_BIOS_FAILED_TO_CONNECT_INTERRUPT __constant_cpu_to_le32(0xC000016E) +#define STATUS_PARTITION_FAILURE __constant_cpu_to_le32(0xC0000172) +#define STATUS_INVALID_BLOCK_LENGTH __constant_cpu_to_le32(0xC0000173) +#define STATUS_DEVICE_NOT_PARTITIONED __constant_cpu_to_le32(0xC0000174) +#define STATUS_UNABLE_TO_LOCK_MEDIA __constant_cpu_to_le32(0xC0000175) +#define STATUS_UNABLE_TO_UNLOAD_MEDIA __constant_cpu_to_le32(0xC0000176) +#define STATUS_EOM_OVERFLOW __constant_cpu_to_le32(0xC0000177) +#define STATUS_NO_MEDIA __constant_cpu_to_le32(0xC0000178) +#define STATUS_NO_SUCH_MEMBER __constant_cpu_to_le32(0xC000017A) +#define STATUS_INVALID_MEMBER __constant_cpu_to_le32(0xC000017B) +#define STATUS_KEY_DELETED __constant_cpu_to_le32(0xC000017C) +#define STATUS_NO_LOG_SPACE __constant_cpu_to_le32(0xC000017D) +#define STATUS_TOO_MANY_SIDS __constant_cpu_to_le32(0xC000017E) +#define STATUS_LM_CROSS_ENCRYPTION_REQUIRED __constant_cpu_to_le32(0xC000017F) +#define STATUS_KEY_HAS_CHILDREN __constant_cpu_to_le32(0xC0000180) +#define STATUS_CHILD_MUST_BE_VOLATILE __constant_cpu_to_le32(0xC0000181) +#define STATUS_DEVICE_CONFIGURATION_ERROR __constant_cpu_to_le32(0xC0000182) +#define STATUS_DRIVER_INTERNAL_ERROR __constant_cpu_to_le32(0xC0000183) +#define STATUS_INVALID_DEVICE_STATE __constant_cpu_to_le32(0xC0000184) +#define STATUS_IO_DEVICE_ERROR __constant_cpu_to_le32(0xC0000185) +#define STATUS_DEVICE_PROTOCOL_ERROR __constant_cpu_to_le32(0xC0000186) +#define STATUS_BACKUP_CONTROLLER __constant_cpu_to_le32(0xC0000187) +#define STATUS_LOG_FILE_FULL __constant_cpu_to_le32(0xC0000188) +#define STATUS_TOO_LATE __constant_cpu_to_le32(0xC0000189) +#define STATUS_NO_TRUST_LSA_SECRET __constant_cpu_to_le32(0xC000018A) +#define STATUS_NO_TRUST_SAM_ACCOUNT __constant_cpu_to_le32(0xC000018B) +#define STATUS_TRUSTED_DOMAIN_FAILURE __constant_cpu_to_le32(0xC000018C) +#define STATUS_TRUSTED_RELATIONSHIP_FAILURE __constant_cpu_to_le32(0xC000018D) +#define STATUS_EVENTLOG_FILE_CORRUPT __constant_cpu_to_le32(0xC000018E) +#define STATUS_EVENTLOG_CANT_START __constant_cpu_to_le32(0xC000018F) +#define STATUS_TRUST_FAILURE __constant_cpu_to_le32(0xC0000190) +#define STATUS_MUTANT_LIMIT_EXCEEDED __constant_cpu_to_le32(0xC0000191) +#define STATUS_NETLOGON_NOT_STARTED __constant_cpu_to_le32(0xC0000192) +#define STATUS_ACCOUNT_EXPIRED __constant_cpu_to_le32(0xC0000193) +#define STATUS_POSSIBLE_DEADLOCK __constant_cpu_to_le32(0xC0000194) +#define STATUS_NETWORK_CREDENTIAL_CONFLICT __constant_cpu_to_le32(0xC0000195) +#define STATUS_REMOTE_SESSION_LIMIT __constant_cpu_to_le32(0xC0000196) +#define STATUS_EVENTLOG_FILE_CHANGED __constant_cpu_to_le32(0xC0000197) +#define STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT __constant_cpu_to_le32(0xC0000198) +#define STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT __constant_cpu_to_le32(0xC0000199) +#define STATUS_NOLOGON_SERVER_TRUST_ACCOUNT __constant_cpu_to_le32(0xC000019A) +#define STATUS_DOMAIN_TRUST_INCONSISTENT __constant_cpu_to_le32(0xC000019B) +#define STATUS_FS_DRIVER_REQUIRED __constant_cpu_to_le32(0xC000019C) +#define STATUS_IMAGE_ALREADY_LOADED_AS_DLL __constant_cpu_to_le32(0xC000019D) +#define STATUS_NETWORK_OPEN_RESTRICTION __constant_cpu_to_le32(0xC0000201) +#define STATUS_NO_USER_SESSION_KEY __constant_cpu_to_le32(0xC0000202) +#define STATUS_USER_SESSION_DELETED __constant_cpu_to_le32(0xC0000203) +#define STATUS_RESOURCE_LANG_NOT_FOUND __constant_cpu_to_le32(0xC0000204) +#define STATUS_INSUFF_SERVER_RESOURCES __constant_cpu_to_le32(0xC0000205) +#define STATUS_INVALID_BUFFER_SIZE __constant_cpu_to_le32(0xC0000206) +#define STATUS_INVALID_ADDRESS_COMPONENT __constant_cpu_to_le32(0xC0000207) +#define STATUS_INVALID_ADDRESS_WILDCARD __constant_cpu_to_le32(0xC0000208) +#define STATUS_TOO_MANY_ADDRESSES __constant_cpu_to_le32(0xC0000209) +#define STATUS_ADDRESS_ALREADY_EXISTS __constant_cpu_to_le32(0xC000020A) +#define STATUS_ADDRESS_CLOSED __constant_cpu_to_le32(0xC000020B) +#define STATUS_CONNECTION_DISCONNECTED __constant_cpu_to_le32(0xC000020C) +#define STATUS_CONNECTION_RESET __constant_cpu_to_le32(0xC000020D) +#define STATUS_TOO_MANY_NODES __constant_cpu_to_le32(0xC000020E) +#define STATUS_TRANSACTION_ABORTED __constant_cpu_to_le32(0xC000020F) +#define STATUS_TRANSACTION_TIMED_OUT __constant_cpu_to_le32(0xC0000210) +#define STATUS_TRANSACTION_NO_RELEASE __constant_cpu_to_le32(0xC0000211) +#define STATUS_TRANSACTION_NO_MATCH __constant_cpu_to_le32(0xC0000212) +#define STATUS_TRANSACTION_RESPONDED __constant_cpu_to_le32(0xC0000213) +#define STATUS_TRANSACTION_INVALID_ID __constant_cpu_to_le32(0xC0000214) +#define STATUS_TRANSACTION_INVALID_TYPE __constant_cpu_to_le32(0xC0000215) +#define STATUS_NOT_SERVER_SESSION __constant_cpu_to_le32(0xC0000216) +#define STATUS_NOT_CLIENT_SESSION __constant_cpu_to_le32(0xC0000217) +#define STATUS_CANNOT_LOAD_REGISTRY_FILE __constant_cpu_to_le32(0xC0000218) +#define STATUS_DEBUG_ATTACH_FAILED __constant_cpu_to_le32(0xC0000219) +#define STATUS_SYSTEM_PROCESS_TERMINATED __constant_cpu_to_le32(0xC000021A) +#define STATUS_DATA_NOT_ACCEPTED __constant_cpu_to_le32(0xC000021B) +#define STATUS_NO_BROWSER_SERVERS_FOUND __constant_cpu_to_le32(0xC000021C) +#define STATUS_VDM_HARD_ERROR __constant_cpu_to_le32(0xC000021D) +#define STATUS_DRIVER_CANCEL_TIMEOUT __constant_cpu_to_le32(0xC000021E) +#define STATUS_REPLY_MESSAGE_MISMATCH __constant_cpu_to_le32(0xC000021F) +#define STATUS_MAPPED_ALIGNMENT __constant_cpu_to_le32(0xC0000220) +#define STATUS_IMAGE_CHECKSUM_MISMATCH __constant_cpu_to_le32(0xC0000221) +#define STATUS_LOST_WRITEBEHIND_DATA __constant_cpu_to_le32(0xC0000222) +#define STATUS_CLIENT_SERVER_PARAMETERS_INVALID __constant_cpu_to_le32(0xC0000223) +#define STATUS_PASSWORD_MUST_CHANGE __constant_cpu_to_le32(0xC0000224) +#define STATUS_NOT_FOUND __constant_cpu_to_le32(0xC0000225) +#define STATUS_NOT_TINY_STREAM __constant_cpu_to_le32(0xC0000226) +#define STATUS_RECOVERY_FAILURE __constant_cpu_to_le32(0xC0000227) +#define STATUS_STACK_OVERFLOW_READ __constant_cpu_to_le32(0xC0000228) +#define STATUS_FAIL_CHECK __constant_cpu_to_le32(0xC0000229) +#define STATUS_DUPLICATE_OBJECTID __constant_cpu_to_le32(0xC000022A) +#define STATUS_OBJECTID_EXISTS __constant_cpu_to_le32(0xC000022B) +#define STATUS_CONVERT_TO_LARGE __constant_cpu_to_le32(0xC000022C) +#define STATUS_RETRY __constant_cpu_to_le32(0xC000022D) +#define STATUS_FOUND_OUT_OF_SCOPE __constant_cpu_to_le32(0xC000022E) +#define STATUS_ALLOCATE_BUCKET __constant_cpu_to_le32(0xC000022F) +#define STATUS_PROPSET_NOT_FOUND __constant_cpu_to_le32(0xC0000230) +#define STATUS_MARSHALL_OVERFLOW __constant_cpu_to_le32(0xC0000231) +#define STATUS_INVALID_VARIANT __constant_cpu_to_le32(0xC0000232) +#define STATUS_DOMAIN_CONTROLLER_NOT_FOUND __constant_cpu_to_le32(0xC0000233) +#define STATUS_ACCOUNT_LOCKED_OUT __constant_cpu_to_le32(0xC0000234) +#define STATUS_HANDLE_NOT_CLOSABLE __constant_cpu_to_le32(0xC0000235) +#define STATUS_CONNECTION_REFUSED __constant_cpu_to_le32(0xC0000236) +#define STATUS_GRACEFUL_DISCONNECT __constant_cpu_to_le32(0xC0000237) +#define STATUS_ADDRESS_ALREADY_ASSOCIATED __constant_cpu_to_le32(0xC0000238) +#define STATUS_ADDRESS_NOT_ASSOCIATED __constant_cpu_to_le32(0xC0000239) +#define STATUS_CONNECTION_INVALID __constant_cpu_to_le32(0xC000023A) +#define STATUS_CONNECTION_ACTIVE __constant_cpu_to_le32(0xC000023B) +#define STATUS_NETWORK_UNREACHABLE __constant_cpu_to_le32(0xC000023C) +#define STATUS_HOST_UNREACHABLE __constant_cpu_to_le32(0xC000023D) +#define STATUS_PROTOCOL_UNREACHABLE __constant_cpu_to_le32(0xC000023E) +#define STATUS_PORT_UNREACHABLE __constant_cpu_to_le32(0xC000023F) +#define STATUS_REQUEST_ABORTED __constant_cpu_to_le32(0xC0000240) +#define STATUS_CONNECTION_ABORTED __constant_cpu_to_le32(0xC0000241) +#define STATUS_BAD_COMPRESSION_BUFFER __constant_cpu_to_le32(0xC0000242) +#define STATUS_USER_MAPPED_FILE __constant_cpu_to_le32(0xC0000243) +#define STATUS_AUDIT_FAILED __constant_cpu_to_le32(0xC0000244) +#define STATUS_TIMER_RESOLUTION_NOT_SET __constant_cpu_to_le32(0xC0000245) +#define STATUS_CONNECTION_COUNT_LIMIT __constant_cpu_to_le32(0xC0000246) +#define STATUS_LOGIN_TIME_RESTRICTION __constant_cpu_to_le32(0xC0000247) +#define STATUS_LOGIN_WKSTA_RESTRICTION __constant_cpu_to_le32(0xC0000248) +#define STATUS_IMAGE_MP_UP_MISMATCH __constant_cpu_to_le32(0xC0000249) +#define STATUS_INSUFFICIENT_LOGON_INFO __constant_cpu_to_le32(0xC0000250) +#define STATUS_BAD_DLL_ENTRYPOINT __constant_cpu_to_le32(0xC0000251) +#define STATUS_BAD_SERVICE_ENTRYPOINT __constant_cpu_to_le32(0xC0000252) +#define STATUS_LPC_REPLY_LOST __constant_cpu_to_le32(0xC0000253) +#define STATUS_IP_ADDRESS_CONFLICT1 __constant_cpu_to_le32(0xC0000254) +#define STATUS_IP_ADDRESS_CONFLICT2 __constant_cpu_to_le32(0xC0000255) +#define STATUS_REGISTRY_QUOTA_LIMIT __constant_cpu_to_le32(0xC0000256) +#define STATUS_PATH_NOT_COVERED __constant_cpu_to_le32(0xC0000257) +#define STATUS_NO_CALLBACK_ACTIVE __constant_cpu_to_le32(0xC0000258) +#define STATUS_LICENSE_QUOTA_EXCEEDED __constant_cpu_to_le32(0xC0000259) +#define STATUS_PWD_TOO_SHORT __constant_cpu_to_le32(0xC000025A) +#define STATUS_PWD_TOO_RECENT __constant_cpu_to_le32(0xC000025B) +#define STATUS_PWD_HISTORY_CONFLICT __constant_cpu_to_le32(0xC000025C) +#define STATUS_PLUGPLAY_NO_DEVICE __constant_cpu_to_le32(0xC000025E) +#define STATUS_UNSUPPORTED_COMPRESSION __constant_cpu_to_le32(0xC000025F) +#define STATUS_INVALID_HW_PROFILE __constant_cpu_to_le32(0xC0000260) +#define STATUS_INVALID_PLUGPLAY_DEVICE_PATH __constant_cpu_to_le32(0xC0000261) +#define STATUS_DRIVER_ORDINAL_NOT_FOUND __constant_cpu_to_le32(0xC0000262) +#define STATUS_DRIVER_ENTRYPOINT_NOT_FOUND __constant_cpu_to_le32(0xC0000263) +#define STATUS_RESOURCE_NOT_OWNED __constant_cpu_to_le32(0xC0000264) +#define STATUS_TOO_MANY_LINKS __constant_cpu_to_le32(0xC0000265) +#define STATUS_QUOTA_LIST_INCONSISTENT __constant_cpu_to_le32(0xC0000266) +#define STATUS_FILE_IS_OFFLINE __constant_cpu_to_le32(0xC0000267) +#define STATUS_EVALUATION_EXPIRATION __constant_cpu_to_le32(0xC0000268) +#define STATUS_ILLEGAL_DLL_RELOCATION __constant_cpu_to_le32(0xC0000269) +#define STATUS_LICENSE_VIOLATION __constant_cpu_to_le32(0xC000026A) +#define STATUS_DLL_INIT_FAILED_LOGOFF __constant_cpu_to_le32(0xC000026B) +#define STATUS_DRIVER_UNABLE_TO_LOAD __constant_cpu_to_le32(0xC000026C) +#define STATUS_DFS_UNAVAILABLE __constant_cpu_to_le32(0xC000026D) +#define STATUS_VOLUME_DISMOUNTED __constant_cpu_to_le32(0xC000026E) +#define STATUS_WX86_INTERNAL_ERROR __constant_cpu_to_le32(0xC000026F) +#define STATUS_WX86_FLOAT_STACK_CHECK __constant_cpu_to_le32(0xC0000270) +#define STATUS_VALIDATE_CONTINUE __constant_cpu_to_le32(0xC0000271) +#define STATUS_NO_MATCH __constant_cpu_to_le32(0xC0000272) +#define STATUS_NO_MORE_MATCHES __constant_cpu_to_le32(0xC0000273) +#define STATUS_NOT_A_REPARSE_POINT __constant_cpu_to_le32(0xC0000275) +#define STATUS_IO_REPARSE_TAG_INVALID __constant_cpu_to_le32(0xC0000276) +#define STATUS_IO_REPARSE_TAG_MISMATCH __constant_cpu_to_le32(0xC0000277) +#define STATUS_IO_REPARSE_DATA_INVALID __constant_cpu_to_le32(0xC0000278) +#define STATUS_IO_REPARSE_TAG_NOT_HANDLED __constant_cpu_to_le32(0xC0000279) +#define STATUS_REPARSE_POINT_NOT_RESOLVED __constant_cpu_to_le32(0xC0000280) +#define STATUS_DIRECTORY_IS_A_REPARSE_POINT __constant_cpu_to_le32(0xC0000281) +#define STATUS_RANGE_LIST_CONFLICT __constant_cpu_to_le32(0xC0000282) +#define STATUS_SOURCE_ELEMENT_EMPTY __constant_cpu_to_le32(0xC0000283) +#define STATUS_DESTINATION_ELEMENT_FULL __constant_cpu_to_le32(0xC0000284) +#define STATUS_ILLEGAL_ELEMENT_ADDRESS __constant_cpu_to_le32(0xC0000285) +#define STATUS_MAGAZINE_NOT_PRESENT __constant_cpu_to_le32(0xC0000286) +#define STATUS_REINITIALIZATION_NEEDED __constant_cpu_to_le32(0xC0000287) +#define STATUS_ENCRYPTION_FAILED __constant_cpu_to_le32(0xC000028A) +#define STATUS_DECRYPTION_FAILED __constant_cpu_to_le32(0xC000028B) +#define STATUS_RANGE_NOT_FOUND __constant_cpu_to_le32(0xC000028C) +#define STATUS_NO_RECOVERY_POLICY __constant_cpu_to_le32(0xC000028D) +#define STATUS_NO_EFS __constant_cpu_to_le32(0xC000028E) +#define STATUS_WRONG_EFS __constant_cpu_to_le32(0xC000028F) +#define STATUS_NO_USER_KEYS __constant_cpu_to_le32(0xC0000290) +#define STATUS_FILE_NOT_ENCRYPTED __constant_cpu_to_le32(0xC0000291) +#define STATUS_NOT_EXPORT_FORMAT __constant_cpu_to_le32(0xC0000292) +#define STATUS_FILE_ENCRYPTED __constant_cpu_to_le32(0xC0000293) +#define STATUS_WMI_GUID_NOT_FOUND __constant_cpu_to_le32(0xC0000295) +#define STATUS_WMI_INSTANCE_NOT_FOUND __constant_cpu_to_le32(0xC0000296) +#define STATUS_WMI_ITEMID_NOT_FOUND __constant_cpu_to_le32(0xC0000297) +#define STATUS_WMI_TRY_AGAIN __constant_cpu_to_le32(0xC0000298) +#define STATUS_SHARED_POLICY __constant_cpu_to_le32(0xC0000299) +#define STATUS_POLICY_OBJECT_NOT_FOUND __constant_cpu_to_le32(0xC000029A) +#define STATUS_POLICY_ONLY_IN_DS __constant_cpu_to_le32(0xC000029B) +#define STATUS_VOLUME_NOT_UPGRADED __constant_cpu_to_le32(0xC000029C) +#define STATUS_REMOTE_STORAGE_NOT_ACTIVE __constant_cpu_to_le32(0xC000029D) +#define STATUS_REMOTE_STORAGE_MEDIA_ERROR __constant_cpu_to_le32(0xC000029E) +#define STATUS_NO_TRACKING_SERVICE __constant_cpu_to_le32(0xC000029F) +#define STATUS_SERVER_SID_MISMATCH __constant_cpu_to_le32(0xC00002A0) +#define STATUS_DS_NO_ATTRIBUTE_OR_VALUE __constant_cpu_to_le32(0xC00002A1) +#define STATUS_DS_INVALID_ATTRIBUTE_SYNTAX __constant_cpu_to_le32(0xC00002A2) +#define STATUS_DS_ATTRIBUTE_TYPE_UNDEFINED __constant_cpu_to_le32(0xC00002A3) +#define STATUS_DS_ATTRIBUTE_OR_VALUE_EXISTS __constant_cpu_to_le32(0xC00002A4) +#define STATUS_DS_BUSY __constant_cpu_to_le32(0xC00002A5) +#define STATUS_DS_UNAVAILABLE __constant_cpu_to_le32(0xC00002A6) +#define STATUS_DS_NO_RIDS_ALLOCATED __constant_cpu_to_le32(0xC00002A7) +#define STATUS_DS_NO_MORE_RIDS __constant_cpu_to_le32(0xC00002A8) +#define STATUS_DS_INCORRECT_ROLE_OWNER __constant_cpu_to_le32(0xC00002A9) +#define STATUS_DS_RIDMGR_INIT_ERROR __constant_cpu_to_le32(0xC00002AA) +#define STATUS_DS_OBJ_CLASS_VIOLATION __constant_cpu_to_le32(0xC00002AB) +#define STATUS_DS_CANT_ON_NON_LEAF __constant_cpu_to_le32(0xC00002AC) +#define STATUS_DS_CANT_ON_RDN __constant_cpu_to_le32(0xC00002AD) +#define STATUS_DS_CANT_MOD_OBJ_CLASS __constant_cpu_to_le32(0xC00002AE) +#define STATUS_DS_CROSS_DOM_MOVE_FAILED __constant_cpu_to_le32(0xC00002AF) +#define STATUS_DS_GC_NOT_AVAILABLE __constant_cpu_to_le32(0xC00002B0) +#define STATUS_DIRECTORY_SERVICE_REQUIRED __constant_cpu_to_le32(0xC00002B1) +#define STATUS_REPARSE_ATTRIBUTE_CONFLICT __constant_cpu_to_le32(0xC00002B2) +#define STATUS_CANT_ENABLE_DENY_ONLY __constant_cpu_to_le32(0xC00002B3) +#define STATUS_FLOAT_MULTIPLE_FAULTS __constant_cpu_to_le32(0xC00002B4) +#define STATUS_FLOAT_MULTIPLE_TRAPS __constant_cpu_to_le32(0xC00002B5) +#define STATUS_DEVICE_REMOVED __constant_cpu_to_le32(0xC00002B6) +#define STATUS_JOURNAL_DELETE_IN_PROGRESS __constant_cpu_to_le32(0xC00002B7) +#define STATUS_JOURNAL_NOT_ACTIVE __constant_cpu_to_le32(0xC00002B8) +#define STATUS_NOINTERFACE __constant_cpu_to_le32(0xC00002B9) +#define STATUS_DS_ADMIN_LIMIT_EXCEEDED __constant_cpu_to_le32(0xC00002C1) +#define STATUS_DRIVER_FAILED_SLEEP __constant_cpu_to_le32(0xC00002C2) +#define STATUS_MUTUAL_AUTHENTICATION_FAILED __constant_cpu_to_le32(0xC00002C3) +#define STATUS_CORRUPT_SYSTEM_FILE __constant_cpu_to_le32(0xC00002C4) +#define STATUS_DATATYPE_MISALIGNMENT_ERROR __constant_cpu_to_le32(0xC00002C5) +#define STATUS_WMI_READ_ONLY __constant_cpu_to_le32(0xC00002C6) +#define STATUS_WMI_SET_FAILURE __constant_cpu_to_le32(0xC00002C7) +#define STATUS_COMMITMENT_MINIMUM __constant_cpu_to_le32(0xC00002C8) +#define STATUS_REG_NAT_CONSUMPTION __constant_cpu_to_le32(0xC00002C9) +#define STATUS_TRANSPORT_FULL __constant_cpu_to_le32(0xC00002CA) +#define STATUS_DS_SAM_INIT_FAILURE __constant_cpu_to_le32(0xC00002CB) +#define STATUS_ONLY_IF_CONNECTED __constant_cpu_to_le32(0xC00002CC) +#define STATUS_DS_SENSITIVE_GROUP_VIOLATION __constant_cpu_to_le32(0xC00002CD) +#define STATUS_PNP_RESTART_ENUMERATION __constant_cpu_to_le32(0xC00002CE) +#define STATUS_JOURNAL_ENTRY_DELETED __constant_cpu_to_le32(0xC00002CF) +#define STATUS_DS_CANT_MOD_PRIMARYGROUPID __constant_cpu_to_le32(0xC00002D0) +#define STATUS_SYSTEM_IMAGE_BAD_SIGNATURE __constant_cpu_to_le32(0xC00002D1) +#define STATUS_PNP_REBOOT_REQUIRED __constant_cpu_to_le32(0xC00002D2) +#define STATUS_POWER_STATE_INVALID __constant_cpu_to_le32(0xC00002D3) +#define STATUS_DS_INVALID_GROUP_TYPE __constant_cpu_to_le32(0xC00002D4) +#define STATUS_DS_NO_NEST_GLOBALGROUP_IN_MIXEDDOMAIN __constant_cpu_to_le32(0xC00002D5) +#define STATUS_DS_NO_NEST_LOCALGROUP_IN_MIXEDDOMAIN __constant_cpu_to_le32(0xC00002D6) +#define STATUS_DS_GLOBAL_CANT_HAVE_LOCAL_MEMBER __constant_cpu_to_le32(0xC00002D7) +#define STATUS_DS_GLOBAL_CANT_HAVE_UNIVERSAL_MEMBER __constant_cpu_to_le32(0xC00002D8) +#define STATUS_DS_UNIVERSAL_CANT_HAVE_LOCAL_MEMBER __constant_cpu_to_le32(0xC00002D9) +#define STATUS_DS_GLOBAL_CANT_HAVE_CROSSDOMAIN_MEMBER __constant_cpu_to_le32(0xC00002DA) +#define STATUS_DS_LOCAL_CANT_HAVE_CROSSDOMAIN_LOCAL_MEMBER __constant_cpu_to_le32(0xC00002DB) +#define STATUS_DS_HAVE_PRIMARY_MEMBERS __constant_cpu_to_le32(0xC00002DC) +#define STATUS_WMI_NOT_SUPPORTED __constant_cpu_to_le32(0xC00002DD) +#define STATUS_INSUFFICIENT_POWER __constant_cpu_to_le32(0xC00002DE) +#define STATUS_SAM_NEED_BOOTKEY_PASSWORD __constant_cpu_to_le32(0xC00002DF) +#define STATUS_SAM_NEED_BOOTKEY_FLOPPY __constant_cpu_to_le32(0xC00002E0) +#define STATUS_DS_CANT_START __constant_cpu_to_le32(0xC00002E1) +#define STATUS_DS_INIT_FAILURE __constant_cpu_to_le32(0xC00002E2) +#define STATUS_SAM_INIT_FAILURE __constant_cpu_to_le32(0xC00002E3) +#define STATUS_DS_GC_REQUIRED __constant_cpu_to_le32(0xC00002E4) +#define STATUS_DS_LOCAL_MEMBER_OF_LOCAL_ONLY __constant_cpu_to_le32(0xC00002E5) +#define STATUS_DS_NO_FPO_IN_UNIVERSAL_GROUPS __constant_cpu_to_le32(0xC00002E6) +#define STATUS_DS_MACHINE_ACCOUNT_QUOTA_EXCEEDED __constant_cpu_to_le32(0xC00002E7) +#define STATUS_MULTIPLE_FAULT_VIOLATION __constant_cpu_to_le32(0xC00002E8) +#define STATUS_CURRENT_DOMAIN_NOT_ALLOWED __constant_cpu_to_le32(0xC00002E9) +#define STATUS_CANNOT_MAKE __constant_cpu_to_le32(0xC00002EA) +#define STATUS_SYSTEM_SHUTDOWN __constant_cpu_to_le32(0xC00002EB) +#define STATUS_DS_INIT_FAILURE_CONSOLE __constant_cpu_to_le32(0xC00002EC) +#define STATUS_DS_SAM_INIT_FAILURE_CONSOLE __constant_cpu_to_le32(0xC00002ED) +#define STATUS_UNFINISHED_CONTEXT_DELETED __constant_cpu_to_le32(0xC00002EE) +#define STATUS_NO_TGT_REPLY __constant_cpu_to_le32(0xC00002EF) +#define STATUS_OBJECTID_NOT_FOUND __constant_cpu_to_le32(0xC00002F0) +#define STATUS_NO_IP_ADDRESSES __constant_cpu_to_le32(0xC00002F1) +#define STATUS_WRONG_CREDENTIAL_HANDLE __constant_cpu_to_le32(0xC00002F2) +#define STATUS_CRYPTO_SYSTEM_INVALID __constant_cpu_to_le32(0xC00002F3) +#define STATUS_MAX_REFERRALS_EXCEEDED __constant_cpu_to_le32(0xC00002F4) +#define STATUS_MUST_BE_KDC __constant_cpu_to_le32(0xC00002F5) +#define STATUS_STRONG_CRYPTO_NOT_SUPPORTED __constant_cpu_to_le32(0xC00002F6) +#define STATUS_TOO_MANY_PRINCIPALS __constant_cpu_to_le32(0xC00002F7) +#define STATUS_NO_PA_DATA __constant_cpu_to_le32(0xC00002F8) +#define STATUS_PKINIT_NAME_MISMATCH __constant_cpu_to_le32(0xC00002F9) +#define STATUS_SMARTCARD_LOGON_REQUIRED __constant_cpu_to_le32(0xC00002FA) +#define STATUS_KDC_INVALID_REQUEST __constant_cpu_to_le32(0xC00002FB) +#define STATUS_KDC_UNABLE_TO_REFER __constant_cpu_to_le32(0xC00002FC) +#define STATUS_KDC_UNKNOWN_ETYPE __constant_cpu_to_le32(0xC00002FD) +#define STATUS_SHUTDOWN_IN_PROGRESS __constant_cpu_to_le32(0xC00002FE) +#define STATUS_SERVER_SHUTDOWN_IN_PROGRESS __constant_cpu_to_le32(0xC00002FF) +#define STATUS_NOT_SUPPORTED_ON_SBS __constant_cpu_to_le32(0xC0000300) +#define STATUS_WMI_GUID_DISCONNECTED __constant_cpu_to_le32(0xC0000301) +#define STATUS_WMI_ALREADY_DISABLED __constant_cpu_to_le32(0xC0000302) +#define STATUS_WMI_ALREADY_ENABLED __constant_cpu_to_le32(0xC0000303) +#define STATUS_MFT_TOO_FRAGMENTED __constant_cpu_to_le32(0xC0000304) +#define STATUS_COPY_PROTECTION_FAILURE __constant_cpu_to_le32(0xC0000305) +#define STATUS_CSS_AUTHENTICATION_FAILURE __constant_cpu_to_le32(0xC0000306) +#define STATUS_CSS_KEY_NOT_PRESENT __constant_cpu_to_le32(0xC0000307) +#define STATUS_CSS_KEY_NOT_ESTABLISHED __constant_cpu_to_le32(0xC0000308) +#define STATUS_CSS_SCRAMBLED_SECTOR __constant_cpu_to_le32(0xC0000309) +#define STATUS_CSS_REGION_MISMATCH __constant_cpu_to_le32(0xC000030A) +#define STATUS_CSS_RESETS_EXHAUSTED __constant_cpu_to_le32(0xC000030B) +#define STATUS_PKINIT_FAILURE __constant_cpu_to_le32(0xC0000320) +#define STATUS_SMARTCARD_SUBSYSTEM_FAILURE __constant_cpu_to_le32(0xC0000321) +#define STATUS_NO_KERB_KEY __constant_cpu_to_le32(0xC0000322) +#define STATUS_HOST_DOWN __constant_cpu_to_le32(0xC0000350) +#define STATUS_UNSUPPORTED_PREAUTH __constant_cpu_to_le32(0xC0000351) +#define STATUS_EFS_ALG_BLOB_TOO_BIG __constant_cpu_to_le32(0xC0000352) +#define STATUS_PORT_NOT_SET __constant_cpu_to_le32(0xC0000353) +#define STATUS_DEBUGGER_INACTIVE __constant_cpu_to_le32(0xC0000354) +#define STATUS_DS_VERSION_CHECK_FAILURE __constant_cpu_to_le32(0xC0000355) +#define STATUS_AUDITING_DISABLED __constant_cpu_to_le32(0xC0000356) +#define STATUS_PRENT4_MACHINE_ACCOUNT __constant_cpu_to_le32(0xC0000357) +#define STATUS_DS_AG_CANT_HAVE_UNIVERSAL_MEMBER __constant_cpu_to_le32(0xC0000358) +#define STATUS_INVALID_IMAGE_WIN_32 __constant_cpu_to_le32(0xC0000359) +#define STATUS_INVALID_IMAGE_WIN_64 __constant_cpu_to_le32(0xC000035A) +#define STATUS_BAD_BINDINGS __constant_cpu_to_le32(0xC000035B) +#define STATUS_NETWORK_SESSION_EXPIRED __constant_cpu_to_le32(0xC000035C) +#define STATUS_APPHELP_BLOCK __constant_cpu_to_le32(0xC000035D) +#define STATUS_ALL_SIDS_FILTERED __constant_cpu_to_le32(0xC000035E) +#define STATUS_NOT_SAFE_MODE_DRIVER __constant_cpu_to_le32(0xC000035F) +#define STATUS_ACCESS_DISABLED_BY_POLICY_DEFAULT __constant_cpu_to_le32(0xC0000361) +#define STATUS_ACCESS_DISABLED_BY_POLICY_PATH __constant_cpu_to_le32(0xC0000362) +#define STATUS_ACCESS_DISABLED_BY_POLICY_PUBLISHER __constant_cpu_to_le32(0xC0000363) +#define STATUS_ACCESS_DISABLED_BY_POLICY_OTHER __constant_cpu_to_le32(0xC0000364) +#define STATUS_FAILED_DRIVER_ENTRY __constant_cpu_to_le32(0xC0000365) +#define STATUS_DEVICE_ENUMERATION_ERROR __constant_cpu_to_le32(0xC0000366) +#define STATUS_MOUNT_POINT_NOT_RESOLVED __constant_cpu_to_le32(0xC0000368) +#define STATUS_INVALID_DEVICE_OBJECT_PARAMETER __constant_cpu_to_le32(0xC0000369) +#define STATUS_MCA_OCCURED __constant_cpu_to_le32(0xC000036A) +#define STATUS_DRIVER_BLOCKED_CRITICAL __constant_cpu_to_le32(0xC000036B) +#define STATUS_DRIVER_BLOCKED __constant_cpu_to_le32(0xC000036C) +#define STATUS_DRIVER_DATABASE_ERROR __constant_cpu_to_le32(0xC000036D) +#define STATUS_SYSTEM_HIVE_TOO_LARGE __constant_cpu_to_le32(0xC000036E) +#define STATUS_INVALID_IMPORT_OF_NON_DLL __constant_cpu_to_le32(0xC000036F) +#define STATUS_NO_SECRETS __constant_cpu_to_le32(0xC0000371) +#define STATUS_ACCESS_DISABLED_NO_SAFER_UI_BY_POLICY __constant_cpu_to_le32(0xC0000372) +#define STATUS_FAILED_STACK_SWITCH __constant_cpu_to_le32(0xC0000373) +#define STATUS_HEAP_CORRUPTION __constant_cpu_to_le32(0xC0000374) +#define STATUS_SMARTCARD_WRONG_PIN __constant_cpu_to_le32(0xC0000380) +#define STATUS_SMARTCARD_CARD_BLOCKED __constant_cpu_to_le32(0xC0000381) +#define STATUS_SMARTCARD_CARD_NOT_AUTHENTICATED __constant_cpu_to_le32(0xC0000382) +#define STATUS_SMARTCARD_NO_CARD __constant_cpu_to_le32(0xC0000383) +#define STATUS_SMARTCARD_NO_KEY_CONTAINER __constant_cpu_to_le32(0xC0000384) +#define STATUS_SMARTCARD_NO_CERTIFICATE __constant_cpu_to_le32(0xC0000385) +#define STATUS_SMARTCARD_NO_KEYSET __constant_cpu_to_le32(0xC0000386) +#define STATUS_SMARTCARD_IO_ERROR __constant_cpu_to_le32(0xC0000387) +#define STATUS_DOWNGRADE_DETECTED __constant_cpu_to_le32(0xC0000388) +#define STATUS_SMARTCARD_CERT_REVOKED __constant_cpu_to_le32(0xC0000389) +#define STATUS_ISSUING_CA_UNTRUSTED __constant_cpu_to_le32(0xC000038A) +#define STATUS_REVOCATION_OFFLINE_C __constant_cpu_to_le32(0xC000038B) +#define STATUS_PKINIT_CLIENT_FAILURE __constant_cpu_to_le32(0xC000038C) +#define STATUS_SMARTCARD_CERT_EXPIRED __constant_cpu_to_le32(0xC000038D) +#define STATUS_DRIVER_FAILED_PRIOR_UNLOAD __constant_cpu_to_le32(0xC000038E) +#define STATUS_SMARTCARD_SILENT_CONTEXT __constant_cpu_to_le32(0xC000038F) +#define STATUS_PER_USER_TRUST_QUOTA_EXCEEDED __constant_cpu_to_le32(0xC0000401) +#define STATUS_ALL_USER_TRUST_QUOTA_EXCEEDED __constant_cpu_to_le32(0xC0000402) +#define STATUS_USER_DELETE_TRUST_QUOTA_EXCEEDED __constant_cpu_to_le32(0xC0000403) +#define STATUS_DS_NAME_NOT_UNIQUE __constant_cpu_to_le32(0xC0000404) +#define STATUS_DS_DUPLICATE_ID_FOUND __constant_cpu_to_le32(0xC0000405) +#define STATUS_DS_GROUP_CONVERSION_ERROR __constant_cpu_to_le32(0xC0000406) +#define STATUS_VOLSNAP_PREPARE_HIBERNATE __constant_cpu_to_le32(0xC0000407) +#define STATUS_USER2USER_REQUIRED __constant_cpu_to_le32(0xC0000408) +#define STATUS_STACK_BUFFER_OVERRUN __constant_cpu_to_le32(0xC0000409) +#define STATUS_NO_S4U_PROT_SUPPORT __constant_cpu_to_le32(0xC000040A) +#define STATUS_CROSSREALM_DELEGATION_FAILURE __constant_cpu_to_le32(0xC000040B) +#define STATUS_REVOCATION_OFFLINE_KDC __constant_cpu_to_le32(0xC000040C) +#define STATUS_ISSUING_CA_UNTRUSTED_KDC __constant_cpu_to_le32(0xC000040D) +#define STATUS_KDC_CERT_EXPIRED __constant_cpu_to_le32(0xC000040E) +#define STATUS_KDC_CERT_REVOKED __constant_cpu_to_le32(0xC000040F) +#define STATUS_PARAMETER_QUOTA_EXCEEDED __constant_cpu_to_le32(0xC0000410) +#define STATUS_HIBERNATION_FAILURE __constant_cpu_to_le32(0xC0000411) +#define STATUS_DELAY_LOAD_FAILED __constant_cpu_to_le32(0xC0000412) +#define STATUS_AUTHENTICATION_FIREWALL_FAILED __constant_cpu_to_le32(0xC0000413) +#define STATUS_VDM_DISALLOWED __constant_cpu_to_le32(0xC0000414) +#define STATUS_HUNG_DISPLAY_DRIVER_THREAD __constant_cpu_to_le32(0xC0000415) +#define STATUS_INSUFFICIENT_RESOURCE_FOR_SPECIFIED_SHARED_SECTION_SIZE __constant_cpu_to_le32(0xC0000416) +#define STATUS_INVALID_CRUNTIME_PARAMETER __constant_cpu_to_le32(0xC0000417) +#define STATUS_NTLM_BLOCKED __constant_cpu_to_le32(0xC0000418) +#define STATUS_ASSERTION_FAILURE __constant_cpu_to_le32(0xC0000420) +#define STATUS_VERIFIER_STOP __constant_cpu_to_le32(0xC0000421) +#define STATUS_CALLBACK_POP_STACK __constant_cpu_to_le32(0xC0000423) +#define STATUS_INCOMPATIBLE_DRIVER_BLOCKED __constant_cpu_to_le32(0xC0000424) +#define STATUS_HIVE_UNLOADED __constant_cpu_to_le32(0xC0000425) +#define STATUS_COMPRESSION_DISABLED __constant_cpu_to_le32(0xC0000426) +#define STATUS_FILE_SYSTEM_LIMITATION __constant_cpu_to_le32(0xC0000427) +#define STATUS_INVALID_IMAGE_HASH __constant_cpu_to_le32(0xC0000428) +#define STATUS_NOT_CAPABLE __constant_cpu_to_le32(0xC0000429) +#define STATUS_REQUEST_OUT_OF_SEQUENCE __constant_cpu_to_le32(0xC000042A) +#define STATUS_IMPLEMENTATION_LIMIT __constant_cpu_to_le32(0xC000042B) +#define STATUS_ELEVATION_REQUIRED __constant_cpu_to_le32(0xC000042C) +#define STATUS_BEYOND_VDL __constant_cpu_to_le32(0xC0000432) +#define STATUS_ENCOUNTERED_WRITE_IN_PROGRESS __constant_cpu_to_le32(0xC0000433) +#define STATUS_PTE_CHANGED __constant_cpu_to_le32(0xC0000434) +#define STATUS_PURGE_FAILED __constant_cpu_to_le32(0xC0000435) +#define STATUS_CRED_REQUIRES_CONFIRMATION __constant_cpu_to_le32(0xC0000440) +#define STATUS_CS_ENCRYPTION_INVALID_SERVER_RESPONSE __constant_cpu_to_le32(0xC0000441) +#define STATUS_CS_ENCRYPTION_UNSUPPORTED_SERVER __constant_cpu_to_le32(0xC0000442) +#define STATUS_CS_ENCRYPTION_EXISTING_ENCRYPTED_FILE __constant_cpu_to_le32(0xC0000443) +#define STATUS_CS_ENCRYPTION_NEW_ENCRYPTED_FILE __constant_cpu_to_le32(0xC0000444) +#define STATUS_CS_ENCRYPTION_FILE_NOT_CSE __constant_cpu_to_le32(0xC0000445) +#define STATUS_INVALID_LABEL __constant_cpu_to_le32(0xC0000446) +#define STATUS_DRIVER_PROCESS_TERMINATED __constant_cpu_to_le32(0xC0000450) +#define STATUS_AMBIGUOUS_SYSTEM_DEVICE __constant_cpu_to_le32(0xC0000451) +#define STATUS_SYSTEM_DEVICE_NOT_FOUND __constant_cpu_to_le32(0xC0000452) +#define STATUS_RESTART_BOOT_APPLICATION __constant_cpu_to_le32(0xC0000453) +#define STATUS_INVALID_TASK_NAME __constant_cpu_to_le32(0xC0000500) +#define STATUS_INVALID_TASK_INDEX __constant_cpu_to_le32(0xC0000501) +#define STATUS_THREAD_ALREADY_IN_TASK __constant_cpu_to_le32(0xC0000502) +#define STATUS_CALLBACK_BYPASS __constant_cpu_to_le32(0xC0000503) +#define STATUS_PORT_CLOSED __constant_cpu_to_le32(0xC0000700) +#define STATUS_MESSAGE_LOST __constant_cpu_to_le32(0xC0000701) +#define STATUS_INVALID_MESSAGE __constant_cpu_to_le32(0xC0000702) +#define STATUS_REQUEST_CANCELED __constant_cpu_to_le32(0xC0000703) +#define STATUS_RECURSIVE_DISPATCH __constant_cpu_to_le32(0xC0000704) +#define STATUS_LPC_RECEIVE_BUFFER_EXPECTED __constant_cpu_to_le32(0xC0000705) +#define STATUS_LPC_INVALID_CONNECTION_USAGE __constant_cpu_to_le32(0xC0000706) +#define STATUS_LPC_REQUESTS_NOT_ALLOWED __constant_cpu_to_le32(0xC0000707) +#define STATUS_RESOURCE_IN_USE __constant_cpu_to_le32(0xC0000708) +#define STATUS_HARDWARE_MEMORY_ERROR __constant_cpu_to_le32(0xC0000709) +#define STATUS_THREADPOOL_HANDLE_EXCEPTION __constant_cpu_to_le32(0xC000070A) +#define STATUS_THREADPOOL_SET_EVENT_ON_COMPLETION_FAILED __constant_cpu_to_le32(0xC000070B) +#define STATUS_THREADPOOL_RELEASE_SEMAPHORE_ON_COMPLETION_FAILED __constant_cpu_to_le32(0xC000070C) +#define STATUS_THREADPOOL_RELEASE_MUTEX_ON_COMPLETION_FAILED __constant_cpu_to_le32(0xC000070D) +#define STATUS_THREADPOOL_FREE_LIBRARY_ON_COMPLETION_FAILED __constant_cpu_to_le32(0xC000070E) +#define STATUS_THREADPOOL_RELEASED_DURING_OPERATION __constant_cpu_to_le32(0xC000070F) +#define STATUS_CALLBACK_RETURNED_WHILE_IMPERSONATING __constant_cpu_to_le32(0xC0000710) +#define STATUS_APC_RETURNED_WHILE_IMPERSONATING __constant_cpu_to_le32(0xC0000711) +#define STATUS_PROCESS_IS_PROTECTED __constant_cpu_to_le32(0xC0000712) +#define STATUS_MCA_EXCEPTION __constant_cpu_to_le32(0xC0000713) +#define STATUS_CERTIFICATE_MAPPING_NOT_UNIQUE __constant_cpu_to_le32(0xC0000714) +#define STATUS_SYMLINK_CLASS_DISABLED __constant_cpu_to_le32(0xC0000715) +#define STATUS_INVALID_IDN_NORMALIZATION __constant_cpu_to_le32(0xC0000716) +#define STATUS_NO_UNICODE_TRANSLATION __constant_cpu_to_le32(0xC0000717) +#define STATUS_ALREADY_REGISTERED __constant_cpu_to_le32(0xC0000718) +#define STATUS_CONTEXT_MISMATCH __constant_cpu_to_le32(0xC0000719) +#define STATUS_PORT_ALREADY_HAS_COMPLETION_LIST __constant_cpu_to_le32(0xC000071A) +#define STATUS_CALLBACK_RETURNED_THREAD_PRIORITY __constant_cpu_to_le32(0xC000071B) +#define STATUS_INVALID_THREAD __constant_cpu_to_le32(0xC000071C) +#define STATUS_CALLBACK_RETURNED_TRANSACTION __constant_cpu_to_le32(0xC000071D) +#define STATUS_CALLBACK_RETURNED_LDR_LOCK __constant_cpu_to_le32(0xC000071E) +#define STATUS_CALLBACK_RETURNED_LANG __constant_cpu_to_le32(0xC000071F) +#define STATUS_CALLBACK_RETURNED_PRI_BACK __constant_cpu_to_le32(0xC0000720) +#define STATUS_CALLBACK_RETURNED_THREAD_AFFINITY __constant_cpu_to_le32(0xC0000721) +#define STATUS_DISK_REPAIR_DISABLED __constant_cpu_to_le32(0xC0000800) +#define STATUS_DS_DOMAIN_RENAME_IN_PROGRESS __constant_cpu_to_le32(0xC0000801) +#define STATUS_DISK_QUOTA_EXCEEDED __constant_cpu_to_le32(0xC0000802) +#define STATUS_CONTENT_BLOCKED __constant_cpu_to_le32(0xC0000804) +#define STATUS_BAD_CLUSTERS __constant_cpu_to_le32(0xC0000805) +#define STATUS_VOLUME_DIRTY __constant_cpu_to_le32(0xC0000806) +#define STATUS_FILE_CHECKED_OUT __constant_cpu_to_le32(0xC0000901) +#define STATUS_CHECKOUT_REQUIRED __constant_cpu_to_le32(0xC0000902) +#define STATUS_BAD_FILE_TYPE __constant_cpu_to_le32(0xC0000903) +#define STATUS_FILE_TOO_LARGE __constant_cpu_to_le32(0xC0000904) +#define STATUS_FORMS_AUTH_REQUIRED __constant_cpu_to_le32(0xC0000905) +#define STATUS_VIRUS_INFECTED __constant_cpu_to_le32(0xC0000906) +#define STATUS_VIRUS_DELETED __constant_cpu_to_le32(0xC0000907) +#define STATUS_BAD_MCFG_TABLE __constant_cpu_to_le32(0xC0000908) +#define STATUS_WOW_ASSERTION __constant_cpu_to_le32(0xC0009898) +#define STATUS_INVALID_SIGNATURE __constant_cpu_to_le32(0xC000A000) +#define STATUS_HMAC_NOT_SUPPORTED __constant_cpu_to_le32(0xC000A001) +#define STATUS_IPSEC_QUEUE_OVERFLOW __constant_cpu_to_le32(0xC000A010) +#define STATUS_ND_QUEUE_OVERFLOW __constant_cpu_to_le32(0xC000A011) +#define STATUS_HOPLIMIT_EXCEEDED __constant_cpu_to_le32(0xC000A012) +#define STATUS_PROTOCOL_NOT_SUPPORTED __constant_cpu_to_le32(0xC000A013) +#define STATUS_LOST_WRITEBEHIND_DATA_NETWORK_DISCONNECTED __constant_cpu_to_le32(0xC000A080) +#define STATUS_LOST_WRITEBEHIND_DATA_NETWORK_SERVER_ERROR __constant_cpu_to_le32(0xC000A081) +#define STATUS_LOST_WRITEBEHIND_DATA_LOCAL_DISK_ERROR __constant_cpu_to_le32(0xC000A082) +#define STATUS_XML_PARSE_ERROR __constant_cpu_to_le32(0xC000A083) +#define STATUS_XMLDSIG_ERROR __constant_cpu_to_le32(0xC000A084) +#define STATUS_WRONG_COMPARTMENT __constant_cpu_to_le32(0xC000A085) +#define STATUS_AUTHIP_FAILURE __constant_cpu_to_le32(0xC000A086) +#define DBG_NO_STATE_CHANGE __constant_cpu_to_le32(0xC0010001) +#define DBG_APP_NOT_IDLE __constant_cpu_to_le32(0xC0010002) +#define RPC_NT_INVALID_STRING_BINDING __constant_cpu_to_le32(0xC0020001) +#define RPC_NT_WRONG_KIND_OF_BINDING __constant_cpu_to_le32(0xC0020002) +#define RPC_NT_INVALID_BINDING __constant_cpu_to_le32(0xC0020003) +#define RPC_NT_PROTSEQ_NOT_SUPPORTED __constant_cpu_to_le32(0xC0020004) +#define RPC_NT_INVALID_RPC_PROTSEQ __constant_cpu_to_le32(0xC0020005) +#define RPC_NT_INVALID_STRING_UUID __constant_cpu_to_le32(0xC0020006) +#define RPC_NT_INVALID_ENDPOINT_FORMAT __constant_cpu_to_le32(0xC0020007) +#define RPC_NT_INVALID_NET_ADDR __constant_cpu_to_le32(0xC0020008) +#define RPC_NT_NO_ENDPOINT_FOUND __constant_cpu_to_le32(0xC0020009) +#define RPC_NT_INVALID_TIMEOUT __constant_cpu_to_le32(0xC002000A) +#define RPC_NT_OBJECT_NOT_FOUND __constant_cpu_to_le32(0xC002000B) +#define RPC_NT_ALREADY_REGISTERED __constant_cpu_to_le32(0xC002000C) +#define RPC_NT_TYPE_ALREADY_REGISTERED __constant_cpu_to_le32(0xC002000D) +#define RPC_NT_ALREADY_LISTENING __constant_cpu_to_le32(0xC002000E) +#define RPC_NT_NO_PROTSEQS_REGISTERED __constant_cpu_to_le32(0xC002000F) +#define RPC_NT_NOT_LISTENING __constant_cpu_to_le32(0xC0020010) +#define RPC_NT_UNKNOWN_MGR_TYPE __constant_cpu_to_le32(0xC0020011) +#define RPC_NT_UNKNOWN_IF __constant_cpu_to_le32(0xC0020012) +#define RPC_NT_NO_BINDINGS __constant_cpu_to_le32(0xC0020013) +#define RPC_NT_NO_PROTSEQS __constant_cpu_to_le32(0xC0020014) +#define RPC_NT_CANT_CREATE_ENDPOINT __constant_cpu_to_le32(0xC0020015) +#define RPC_NT_OUT_OF_RESOURCES __constant_cpu_to_le32(0xC0020016) +#define RPC_NT_SERVER_UNAVAILABLE __constant_cpu_to_le32(0xC0020017) +#define RPC_NT_SERVER_TOO_BUSY __constant_cpu_to_le32(0xC0020018) +#define RPC_NT_INVALID_NETWORK_OPTIONS __constant_cpu_to_le32(0xC0020019) +#define RPC_NT_NO_CALL_ACTIVE __constant_cpu_to_le32(0xC002001A) +#define RPC_NT_CALL_FAILED __constant_cpu_to_le32(0xC002001B) +#define RPC_NT_CALL_FAILED_DNE __constant_cpu_to_le32(0xC002001C) +#define RPC_NT_PROTOCOL_ERROR __constant_cpu_to_le32(0xC002001D) +#define RPC_NT_UNSUPPORTED_TRANS_SYN __constant_cpu_to_le32(0xC002001F) +#define RPC_NT_UNSUPPORTED_TYPE __constant_cpu_to_le32(0xC0020021) +#define RPC_NT_INVALID_TAG __constant_cpu_to_le32(0xC0020022) +#define RPC_NT_INVALID_BOUND __constant_cpu_to_le32(0xC0020023) +#define RPC_NT_NO_ENTRY_NAME __constant_cpu_to_le32(0xC0020024) +#define RPC_NT_INVALID_NAME_SYNTAX __constant_cpu_to_le32(0xC0020025) +#define RPC_NT_UNSUPPORTED_NAME_SYNTAX __constant_cpu_to_le32(0xC0020026) +#define RPC_NT_UUID_NO_ADDRESS __constant_cpu_to_le32(0xC0020028) +#define RPC_NT_DUPLICATE_ENDPOINT __constant_cpu_to_le32(0xC0020029) +#define RPC_NT_UNKNOWN_AUTHN_TYPE __constant_cpu_to_le32(0xC002002A) +#define RPC_NT_MAX_CALLS_TOO_SMALL __constant_cpu_to_le32(0xC002002B) +#define RPC_NT_STRING_TOO_LONG __constant_cpu_to_le32(0xC002002C) +#define RPC_NT_PROTSEQ_NOT_FOUND __constant_cpu_to_le32(0xC002002D) +#define RPC_NT_PROCNUM_OUT_OF_RANGE __constant_cpu_to_le32(0xC002002E) +#define RPC_NT_BINDING_HAS_NO_AUTH __constant_cpu_to_le32(0xC002002F) +#define RPC_NT_UNKNOWN_AUTHN_SERVICE __constant_cpu_to_le32(0xC0020030) +#define RPC_NT_UNKNOWN_AUTHN_LEVEL __constant_cpu_to_le32(0xC0020031) +#define RPC_NT_INVALID_AUTH_IDENTITY __constant_cpu_to_le32(0xC0020032) +#define RPC_NT_UNKNOWN_AUTHZ_SERVICE __constant_cpu_to_le32(0xC0020033) +#define EPT_NT_INVALID_ENTRY __constant_cpu_to_le32(0xC0020034) +#define EPT_NT_CANT_PERFORM_OP __constant_cpu_to_le32(0xC0020035) +#define EPT_NT_NOT_REGISTERED __constant_cpu_to_le32(0xC0020036) +#define RPC_NT_NOTHING_TO_EXPORT __constant_cpu_to_le32(0xC0020037) +#define RPC_NT_INCOMPLETE_NAME __constant_cpu_to_le32(0xC0020038) +#define RPC_NT_INVALID_VERS_OPTION __constant_cpu_to_le32(0xC0020039) +#define RPC_NT_NO_MORE_MEMBERS __constant_cpu_to_le32(0xC002003A) +#define RPC_NT_NOT_ALL_OBJS_UNEXPORTED __constant_cpu_to_le32(0xC002003B) +#define RPC_NT_INTERFACE_NOT_FOUND __constant_cpu_to_le32(0xC002003C) +#define RPC_NT_ENTRY_ALREADY_EXISTS __constant_cpu_to_le32(0xC002003D) +#define RPC_NT_ENTRY_NOT_FOUND __constant_cpu_to_le32(0xC002003E) +#define RPC_NT_NAME_SERVICE_UNAVAILABLE __constant_cpu_to_le32(0xC002003F) +#define RPC_NT_INVALID_NAF_ID __constant_cpu_to_le32(0xC0020040) +#define RPC_NT_CANNOT_SUPPORT __constant_cpu_to_le32(0xC0020041) +#define RPC_NT_NO_CONTEXT_AVAILABLE __constant_cpu_to_le32(0xC0020042) +#define RPC_NT_INTERNAL_ERROR __constant_cpu_to_le32(0xC0020043) +#define RPC_NT_ZERO_DIVIDE __constant_cpu_to_le32(0xC0020044) +#define RPC_NT_ADDRESS_ERROR __constant_cpu_to_le32(0xC0020045) +#define RPC_NT_FP_DIV_ZERO __constant_cpu_to_le32(0xC0020046) +#define RPC_NT_FP_UNDERFLOW __constant_cpu_to_le32(0xC0020047) +#define RPC_NT_FP_OVERFLOW __constant_cpu_to_le32(0xC0020048) +#define RPC_NT_CALL_IN_PROGRESS __constant_cpu_to_le32(0xC0020049) +#define RPC_NT_NO_MORE_BINDINGS __constant_cpu_to_le32(0xC002004A) +#define RPC_NT_GROUP_MEMBER_NOT_FOUND __constant_cpu_to_le32(0xC002004B) +#define EPT_NT_CANT_CREATE __constant_cpu_to_le32(0xC002004C) +#define RPC_NT_INVALID_OBJECT __constant_cpu_to_le32(0xC002004D) +#define RPC_NT_NO_INTERFACES __constant_cpu_to_le32(0xC002004F) +#define RPC_NT_CALL_CANCELLED __constant_cpu_to_le32(0xC0020050) +#define RPC_NT_BINDING_INCOMPLETE __constant_cpu_to_le32(0xC0020051) +#define RPC_NT_COMM_FAILURE __constant_cpu_to_le32(0xC0020052) +#define RPC_NT_UNSUPPORTED_AUTHN_LEVEL __constant_cpu_to_le32(0xC0020053) +#define RPC_NT_NO_PRINC_NAME __constant_cpu_to_le32(0xC0020054) +#define RPC_NT_NOT_RPC_ERROR __constant_cpu_to_le32(0xC0020055) +#define RPC_NT_SEC_PKG_ERROR __constant_cpu_to_le32(0xC0020057) +#define RPC_NT_NOT_CANCELLED __constant_cpu_to_le32(0xC0020058) +#define RPC_NT_INVALID_ASYNC_HANDLE __constant_cpu_to_le32(0xC0020062) +#define RPC_NT_INVALID_ASYNC_CALL __constant_cpu_to_le32(0xC0020063) +#define RPC_NT_PROXY_ACCESS_DENIED __constant_cpu_to_le32(0xC0020064) +#define RPC_NT_NO_MORE_ENTRIES __constant_cpu_to_le32(0xC0030001) +#define RPC_NT_SS_CHAR_TRANS_OPEN_FAIL __constant_cpu_to_le32(0xC0030002) +#define RPC_NT_SS_CHAR_TRANS_SHORT_FILE __constant_cpu_to_le32(0xC0030003) +#define RPC_NT_SS_IN_NULL_CONTEXT __constant_cpu_to_le32(0xC0030004) +#define RPC_NT_SS_CONTEXT_MISMATCH __constant_cpu_to_le32(0xC0030005) +#define RPC_NT_SS_CONTEXT_DAMAGED __constant_cpu_to_le32(0xC0030006) +#define RPC_NT_SS_HANDLES_MISMATCH __constant_cpu_to_le32(0xC0030007) +#define RPC_NT_SS_CANNOT_GET_CALL_HANDLE __constant_cpu_to_le32(0xC0030008) +#define RPC_NT_NULL_REF_POINTER __constant_cpu_to_le32(0xC0030009) +#define RPC_NT_ENUM_VALUE_OUT_OF_RANGE __constant_cpu_to_le32(0xC003000A) +#define RPC_NT_BYTE_COUNT_TOO_SMALL __constant_cpu_to_le32(0xC003000B) +#define RPC_NT_BAD_STUB_DATA __constant_cpu_to_le32(0xC003000C) +#define RPC_NT_INVALID_ES_ACTION __constant_cpu_to_le32(0xC0030059) +#define RPC_NT_WRONG_ES_VERSION __constant_cpu_to_le32(0xC003005A) +#define RPC_NT_WRONG_STUB_VERSION __constant_cpu_to_le32(0xC003005B) +#define RPC_NT_INVALID_PIPE_OBJECT __constant_cpu_to_le32(0xC003005C) +#define RPC_NT_INVALID_PIPE_OPERATION __constant_cpu_to_le32(0xC003005D) +#define RPC_NT_WRONG_PIPE_VERSION __constant_cpu_to_le32(0xC003005E) +#define RPC_NT_PIPE_CLOSED __constant_cpu_to_le32(0xC003005F) +#define RPC_NT_PIPE_DISCIPLINE_ERROR __constant_cpu_to_le32(0xC0030060) +#define RPC_NT_PIPE_EMPTY __constant_cpu_to_le32(0xC0030061) +#define STATUS_PNP_BAD_MPS_TABLE __constant_cpu_to_le32(0xC0040035) +#define STATUS_PNP_TRANSLATION_FAILED __constant_cpu_to_le32(0xC0040036) +#define STATUS_PNP_IRQ_TRANSLATION_FAILED __constant_cpu_to_le32(0xC0040037) +#define STATUS_PNP_INVALID_ID __constant_cpu_to_le32(0xC0040038) +#define STATUS_IO_REISSUE_AS_CACHED __constant_cpu_to_le32(0xC0040039) +#define STATUS_CTX_WINSTATION_NAME_INVALID __constant_cpu_to_le32(0xC00A0001) +#define STATUS_CTX_INVALID_PD __constant_cpu_to_le32(0xC00A0002) +#define STATUS_CTX_PD_NOT_FOUND __constant_cpu_to_le32(0xC00A0003) +#define STATUS_CTX_CLOSE_PENDING __constant_cpu_to_le32(0xC00A0006) +#define STATUS_CTX_NO_OUTBUF __constant_cpu_to_le32(0xC00A0007) +#define STATUS_CTX_MODEM_INF_NOT_FOUND __constant_cpu_to_le32(0xC00A0008) +#define STATUS_CTX_INVALID_MODEMNAME __constant_cpu_to_le32(0xC00A0009) +#define STATUS_CTX_RESPONSE_ERROR __constant_cpu_to_le32(0xC00A000A) +#define STATUS_CTX_MODEM_RESPONSE_TIMEOUT __constant_cpu_to_le32(0xC00A000B) +#define STATUS_CTX_MODEM_RESPONSE_NO_CARRIER __constant_cpu_to_le32(0xC00A000C) +#define STATUS_CTX_MODEM_RESPONSE_NO_DIALTONE __constant_cpu_to_le32(0xC00A000D) +#define STATUS_CTX_MODEM_RESPONSE_BUSY __constant_cpu_to_le32(0xC00A000E) +#define STATUS_CTX_MODEM_RESPONSE_VOICE __constant_cpu_to_le32(0xC00A000F) +#define STATUS_CTX_TD_ERROR __constant_cpu_to_le32(0xC00A0010) +#define STATUS_CTX_LICENSE_CLIENT_INVALID __constant_cpu_to_le32(0xC00A0012) +#define STATUS_CTX_LICENSE_NOT_AVAILABLE __constant_cpu_to_le32(0xC00A0013) +#define STATUS_CTX_LICENSE_EXPIRED __constant_cpu_to_le32(0xC00A0014) +#define STATUS_CTX_WINSTATION_NOT_FOUND __constant_cpu_to_le32(0xC00A0015) +#define STATUS_CTX_WINSTATION_NAME_COLLISION __constant_cpu_to_le32(0xC00A0016) +#define STATUS_CTX_WINSTATION_BUSY __constant_cpu_to_le32(0xC00A0017) +#define STATUS_CTX_BAD_VIDEO_MODE __constant_cpu_to_le32(0xC00A0018) +#define STATUS_CTX_GRAPHICS_INVALID __constant_cpu_to_le32(0xC00A0022) +#define STATUS_CTX_NOT_CONSOLE __constant_cpu_to_le32(0xC00A0024) +#define STATUS_CTX_CLIENT_QUERY_TIMEOUT __constant_cpu_to_le32(0xC00A0026) +#define STATUS_CTX_CONSOLE_DISCONNECT __constant_cpu_to_le32(0xC00A0027) +#define STATUS_CTX_CONSOLE_CONNECT __constant_cpu_to_le32(0xC00A0028) +#define STATUS_CTX_SHADOW_DENIED __constant_cpu_to_le32(0xC00A002A) +#define STATUS_CTX_WINSTATION_ACCESS_DENIED __constant_cpu_to_le32(0xC00A002B) +#define STATUS_CTX_INVALID_WD __constant_cpu_to_le32(0xC00A002E) +#define STATUS_CTX_WD_NOT_FOUND __constant_cpu_to_le32(0xC00A002F) +#define STATUS_CTX_SHADOW_INVALID __constant_cpu_to_le32(0xC00A0030) +#define STATUS_CTX_SHADOW_DISABLED __constant_cpu_to_le32(0xC00A0031) +#define STATUS_RDP_PROTOCOL_ERROR __constant_cpu_to_le32(0xC00A0032) +#define STATUS_CTX_CLIENT_LICENSE_NOT_SET __constant_cpu_to_le32(0xC00A0033) +#define STATUS_CTX_CLIENT_LICENSE_IN_USE __constant_cpu_to_le32(0xC00A0034) +#define STATUS_CTX_SHADOW_ENDED_BY_MODE_CHANGE __constant_cpu_to_le32(0xC00A0035) +#define STATUS_CTX_SHADOW_NOT_RUNNING __constant_cpu_to_le32(0xC00A0036) +#define STATUS_CTX_LOGON_DISABLED __constant_cpu_to_le32(0xC00A0037) +#define STATUS_CTX_SECURITY_LAYER_ERROR __constant_cpu_to_le32(0xC00A0038) +#define STATUS_TS_INCOMPATIBLE_SESSIONS __constant_cpu_to_le32(0xC00A0039) +#define STATUS_MUI_FILE_NOT_FOUND __constant_cpu_to_le32(0xC00B0001) +#define STATUS_MUI_INVALID_FILE __constant_cpu_to_le32(0xC00B0002) +#define STATUS_MUI_INVALID_RC_CONFIG __constant_cpu_to_le32(0xC00B0003) +#define STATUS_MUI_INVALID_LOCALE_NAME __constant_cpu_to_le32(0xC00B0004) +#define STATUS_MUI_INVALID_ULTIMATEFALLBACK_NAME __constant_cpu_to_le32(0xC00B0005) +#define STATUS_MUI_FILE_NOT_LOADED __constant_cpu_to_le32(0xC00B0006) +#define STATUS_RESOURCE_ENUM_USER_STOP __constant_cpu_to_le32(0xC00B0007) +#define STATUS_CLUSTER_INVALID_NODE __constant_cpu_to_le32(0xC0130001) +#define STATUS_CLUSTER_NODE_EXISTS __constant_cpu_to_le32(0xC0130002) +#define STATUS_CLUSTER_JOIN_IN_PROGRESS __constant_cpu_to_le32(0xC0130003) +#define STATUS_CLUSTER_NODE_NOT_FOUND __constant_cpu_to_le32(0xC0130004) +#define STATUS_CLUSTER_LOCAL_NODE_NOT_FOUND __constant_cpu_to_le32(0xC0130005) +#define STATUS_CLUSTER_NETWORK_EXISTS __constant_cpu_to_le32(0xC0130006) +#define STATUS_CLUSTER_NETWORK_NOT_FOUND __constant_cpu_to_le32(0xC0130007) +#define STATUS_CLUSTER_NETINTERFACE_EXISTS __constant_cpu_to_le32(0xC0130008) +#define STATUS_CLUSTER_NETINTERFACE_NOT_FOUND __constant_cpu_to_le32(0xC0130009) +#define STATUS_CLUSTER_INVALID_REQUEST __constant_cpu_to_le32(0xC013000A) +#define STATUS_CLUSTER_INVALID_NETWORK_PROVIDER __constant_cpu_to_le32(0xC013000B) +#define STATUS_CLUSTER_NODE_DOWN __constant_cpu_to_le32(0xC013000C) +#define STATUS_CLUSTER_NODE_UNREACHABLE __constant_cpu_to_le32(0xC013000D) +#define STATUS_CLUSTER_NODE_NOT_MEMBER __constant_cpu_to_le32(0xC013000E) +#define STATUS_CLUSTER_JOIN_NOT_IN_PROGRESS __constant_cpu_to_le32(0xC013000F) +#define STATUS_CLUSTER_INVALID_NETWORK __constant_cpu_to_le32(0xC0130010) +#define STATUS_CLUSTER_NO_NET_ADAPTERS __constant_cpu_to_le32(0xC0130011) +#define STATUS_CLUSTER_NODE_UP __constant_cpu_to_le32(0xC0130012) +#define STATUS_CLUSTER_NODE_PAUSED __constant_cpu_to_le32(0xC0130013) +#define STATUS_CLUSTER_NODE_NOT_PAUSED __constant_cpu_to_le32(0xC0130014) +#define STATUS_CLUSTER_NO_SECURITY_CONTEXT __constant_cpu_to_le32(0xC0130015) +#define STATUS_CLUSTER_NETWORK_NOT_INTERNAL __constant_cpu_to_le32(0xC0130016) +#define STATUS_CLUSTER_POISONED __constant_cpu_to_le32(0xC0130017) +#define STATUS_ACPI_INVALID_OPCODE __constant_cpu_to_le32(0xC0140001) +#define STATUS_ACPI_STACK_OVERFLOW __constant_cpu_to_le32(0xC0140002) +#define STATUS_ACPI_ASSERT_FAILED __constant_cpu_to_le32(0xC0140003) +#define STATUS_ACPI_INVALID_INDEX __constant_cpu_to_le32(0xC0140004) +#define STATUS_ACPI_INVALID_ARGUMENT __constant_cpu_to_le32(0xC0140005) +#define STATUS_ACPI_FATAL __constant_cpu_to_le32(0xC0140006) +#define STATUS_ACPI_INVALID_SUPERNAME __constant_cpu_to_le32(0xC0140007) +#define STATUS_ACPI_INVALID_ARGTYPE __constant_cpu_to_le32(0xC0140008) +#define STATUS_ACPI_INVALID_OBJTYPE __constant_cpu_to_le32(0xC0140009) +#define STATUS_ACPI_INVALID_TARGETTYPE __constant_cpu_to_le32(0xC014000A) +#define STATUS_ACPI_INCORRECT_ARGUMENT_COUNT __constant_cpu_to_le32(0xC014000B) +#define STATUS_ACPI_ADDRESS_NOT_MAPPED __constant_cpu_to_le32(0xC014000C) +#define STATUS_ACPI_INVALID_EVENTTYPE __constant_cpu_to_le32(0xC014000D) +#define STATUS_ACPI_HANDLER_COLLISION __constant_cpu_to_le32(0xC014000E) +#define STATUS_ACPI_INVALID_DATA __constant_cpu_to_le32(0xC014000F) +#define STATUS_ACPI_INVALID_REGION __constant_cpu_to_le32(0xC0140010) +#define STATUS_ACPI_INVALID_ACCESS_SIZE __constant_cpu_to_le32(0xC0140011) +#define STATUS_ACPI_ACQUIRE_GLOBAL_LOCK __constant_cpu_to_le32(0xC0140012) +#define STATUS_ACPI_ALREADY_INITIALIZED __constant_cpu_to_le32(0xC0140013) +#define STATUS_ACPI_NOT_INITIALIZED __constant_cpu_to_le32(0xC0140014) +#define STATUS_ACPI_INVALID_MUTEX_LEVEL __constant_cpu_to_le32(0xC0140015) +#define STATUS_ACPI_MUTEX_NOT_OWNED __constant_cpu_to_le32(0xC0140016) +#define STATUS_ACPI_MUTEX_NOT_OWNER __constant_cpu_to_le32(0xC0140017) +#define STATUS_ACPI_RS_ACCESS __constant_cpu_to_le32(0xC0140018) +#define STATUS_ACPI_INVALID_TABLE __constant_cpu_to_le32(0xC0140019) +#define STATUS_ACPI_REG_HANDLER_FAILED __constant_cpu_to_le32(0xC0140020) +#define STATUS_ACPI_POWER_REQUEST_FAILED __constant_cpu_to_le32(0xC0140021) +#define STATUS_SXS_SECTION_NOT_FOUND __constant_cpu_to_le32(0xC0150001) +#define STATUS_SXS_CANT_GEN_ACTCTX __constant_cpu_to_le32(0xC0150002) +#define STATUS_SXS_INVALID_ACTCTXDATA_FORMAT __constant_cpu_to_le32(0xC0150003) +#define STATUS_SXS_ASSEMBLY_NOT_FOUND __constant_cpu_to_le32(0xC0150004) +#define STATUS_SXS_MANIFEST_FORMAT_ERROR __constant_cpu_to_le32(0xC0150005) +#define STATUS_SXS_MANIFEST_PARSE_ERROR __constant_cpu_to_le32(0xC0150006) +#define STATUS_SXS_ACTIVATION_CONTEXT_DISABLED __constant_cpu_to_le32(0xC0150007) +#define STATUS_SXS_KEY_NOT_FOUND __constant_cpu_to_le32(0xC0150008) +#define STATUS_SXS_VERSION_CONFLICT __constant_cpu_to_le32(0xC0150009) +#define STATUS_SXS_WRONG_SECTION_TYPE __constant_cpu_to_le32(0xC015000A) +#define STATUS_SXS_THREAD_QUERIES_DISABLED __constant_cpu_to_le32(0xC015000B) +#define STATUS_SXS_ASSEMBLY_MISSING __constant_cpu_to_le32(0xC015000C) +#define STATUS_SXS_PROCESS_DEFAULT_ALREADY_SET __constant_cpu_to_le32(0xC015000E) +#define STATUS_SXS_EARLY_DEACTIVATION __constant_cpu_to_le32(0xC015000F) +#define STATUS_SXS_INVALID_DEACTIVATION __constant_cpu_to_le32(0xC0150010) +#define STATUS_SXS_MULTIPLE_DEACTIVATION __constant_cpu_to_le32(0xC0150011) +#define STATUS_SXS_SYSTEM_DEFAULT_ACTIVATION_CONTEXT_EMPTY __constant_cpu_to_le32(0xC0150012) +#define STATUS_SXS_PROCESS_TERMINATION_REQUESTED __constant_cpu_to_le32(0xC0150013) +#define STATUS_SXS_CORRUPT_ACTIVATION_STACK __constant_cpu_to_le32(0xC0150014) +#define STATUS_SXS_CORRUPTION __constant_cpu_to_le32(0xC0150015) +#define STATUS_SXS_INVALID_IDENTITY_ATTRIBUTE_VALUE __constant_cpu_to_le32(0xC0150016) +#define STATUS_SXS_INVALID_IDENTITY_ATTRIBUTE_NAME __constant_cpu_to_le32(0xC0150017) +#define STATUS_SXS_IDENTITY_DUPLICATE_ATTRIBUTE __constant_cpu_to_le32(0xC0150018) +#define STATUS_SXS_IDENTITY_PARSE_ERROR __constant_cpu_to_le32(0xC0150019) +#define STATUS_SXS_COMPONENT_STORE_CORRUPT __constant_cpu_to_le32(0xC015001A) +#define STATUS_SXS_FILE_HASH_MISMATCH __constant_cpu_to_le32(0xC015001B) +#define STATUS_SXS_MANIFEST_IDENTITY_SAME_BUT_CONTENTS_DIFFERENT __constant_cpu_to_le32(0xC015001C) +#define STATUS_SXS_IDENTITIES_DIFFERENT __constant_cpu_to_le32(0xC015001D) +#define STATUS_SXS_ASSEMBLY_IS_NOT_A_DEPLOYMENT __constant_cpu_to_le32(0xC015001E) +#define STATUS_SXS_FILE_NOT_PART_OF_ASSEMBLY __constant_cpu_to_le32(0xC015001F) +#define STATUS_ADVANCED_INSTALLER_FAILED __constant_cpu_to_le32(0xC0150020) +#define STATUS_XML_ENCODING_MISMATCH __constant_cpu_to_le32(0xC0150021) +#define STATUS_SXS_MANIFEST_TOO_BIG __constant_cpu_to_le32(0xC0150022) +#define STATUS_SXS_SETTING_NOT_REGISTERED __constant_cpu_to_le32(0xC0150023) +#define STATUS_SXS_TRANSACTION_CLOSURE_INCOMPLETE __constant_cpu_to_le32(0xC0150024) +#define STATUS_SMI_PRIMITIVE_INSTALLER_FAILED __constant_cpu_to_le32(0xC0150025) +#define STATUS_GENERIC_COMMAND_FAILED __constant_cpu_to_le32(0xC0150026) +#define STATUS_SXS_FILE_HASH_MISSING __constant_cpu_to_le32(0xC0150027) +#define STATUS_TRANSACTIONAL_CONFLICT __constant_cpu_to_le32(0xC0190001) +#define STATUS_INVALID_TRANSACTION __constant_cpu_to_le32(0xC0190002) +#define STATUS_TRANSACTION_NOT_ACTIVE __constant_cpu_to_le32(0xC0190003) +#define STATUS_TM_INITIALIZATION_FAILED __constant_cpu_to_le32(0xC0190004) +#define STATUS_RM_NOT_ACTIVE __constant_cpu_to_le32(0xC0190005) +#define STATUS_RM_METADATA_CORRUPT __constant_cpu_to_le32(0xC0190006) +#define STATUS_TRANSACTION_NOT_JOINED __constant_cpu_to_le32(0xC0190007) +#define STATUS_DIRECTORY_NOT_RM __constant_cpu_to_le32(0xC0190008) +#define STATUS_TRANSACTIONS_UNSUPPORTED_REMOTE __constant_cpu_to_le32(0xC019000A) +#define STATUS_LOG_RESIZE_INVALID_SIZE __constant_cpu_to_le32(0xC019000B) +#define STATUS_REMOTE_FILE_VERSION_MISMATCH __constant_cpu_to_le32(0xC019000C) +#define STATUS_CRM_PROTOCOL_ALREADY_EXISTS __constant_cpu_to_le32(0xC019000F) +#define STATUS_TRANSACTION_PROPAGATION_FAILED __constant_cpu_to_le32(0xC0190010) +#define STATUS_CRM_PROTOCOL_NOT_FOUND __constant_cpu_to_le32(0xC0190011) +#define STATUS_TRANSACTION_SUPERIOR_EXISTS __constant_cpu_to_le32(0xC0190012) +#define STATUS_TRANSACTION_REQUEST_NOT_VALID __constant_cpu_to_le32(0xC0190013) +#define STATUS_TRANSACTION_NOT_REQUESTED __constant_cpu_to_le32(0xC0190014) +#define STATUS_TRANSACTION_ALREADY_ABORTED __constant_cpu_to_le32(0xC0190015) +#define STATUS_TRANSACTION_ALREADY_COMMITTED __constant_cpu_to_le32(0xC0190016) +#define STATUS_TRANSACTION_INVALID_MARSHALL_BUFFER __constant_cpu_to_le32(0xC0190017) +#define STATUS_CURRENT_TRANSACTION_NOT_VALID __constant_cpu_to_le32(0xC0190018) +#define STATUS_LOG_GROWTH_FAILED __constant_cpu_to_le32(0xC0190019) +#define STATUS_OBJECT_NO_LONGER_EXISTS __constant_cpu_to_le32(0xC0190021) +#define STATUS_STREAM_MINIVERSION_NOT_FOUND __constant_cpu_to_le32(0xC0190022) +#define STATUS_STREAM_MINIVERSION_NOT_VALID __constant_cpu_to_le32(0xC0190023) +#define STATUS_MINIVERSION_INACCESSIBLE_FROM_SPECIFIED_TRANSACTION __constant_cpu_to_le32(0xC0190024) +#define STATUS_CANT_OPEN_MINIVERSION_WITH_MODIFY_INTENT __constant_cpu_to_le32(0xC0190025) +#define STATUS_CANT_CREATE_MORE_STREAM_MINIVERSIONS __constant_cpu_to_le32(0xC0190026) +#define STATUS_HANDLE_NO_LONGER_VALID __constant_cpu_to_le32(0xC0190028) +#define STATUS_LOG_CORRUPTION_DETECTED __constant_cpu_to_le32(0xC0190030) +#define STATUS_RM_DISCONNECTED __constant_cpu_to_le32(0xC0190032) +#define STATUS_ENLISTMENT_NOT_SUPERIOR __constant_cpu_to_le32(0xC0190033) +#define STATUS_FILE_IDENTITY_NOT_PERSISTENT __constant_cpu_to_le32(0xC0190036) +#define STATUS_CANT_BREAK_TRANSACTIONAL_DEPENDENCY __constant_cpu_to_le32(0xC0190037) +#define STATUS_CANT_CROSS_RM_BOUNDARY __constant_cpu_to_le32(0xC0190038) +#define STATUS_TXF_DIR_NOT_EMPTY __constant_cpu_to_le32(0xC0190039) +#define STATUS_INDOUBT_TRANSACTIONS_EXIST __constant_cpu_to_le32(0xC019003A) +#define STATUS_TM_VOLATILE __constant_cpu_to_le32(0xC019003B) +#define STATUS_ROLLBACK_TIMER_EXPIRED __constant_cpu_to_le32(0xC019003C) +#define STATUS_TXF_ATTRIBUTE_CORRUPT __constant_cpu_to_le32(0xC019003D) +#define STATUS_EFS_NOT_ALLOWED_IN_TRANSACTION __constant_cpu_to_le32(0xC019003E) +#define STATUS_TRANSACTIONAL_OPEN_NOT_ALLOWED __constant_cpu_to_le32(0xC019003F) +#define STATUS_TRANSACTED_MAPPING_UNSUPPORTED_REMOTE __constant_cpu_to_le32(0xC0190040) +#define STATUS_TRANSACTION_REQUIRED_PROMOTION __constant_cpu_to_le32(0xC0190043) +#define STATUS_CANNOT_EXECUTE_FILE_IN_TRANSACTION __constant_cpu_to_le32(0xC0190044) +#define STATUS_TRANSACTIONS_NOT_FROZEN __constant_cpu_to_le32(0xC0190045) +#define STATUS_TRANSACTION_FREEZE_IN_PROGRESS __constant_cpu_to_le32(0xC0190046) +#define STATUS_NOT_SNAPSHOT_VOLUME __constant_cpu_to_le32(0xC0190047) +#define STATUS_NO_SAVEPOINT_WITH_OPEN_FILES __constant_cpu_to_le32(0xC0190048) +#define STATUS_SPARSE_NOT_ALLOWED_IN_TRANSACTION __constant_cpu_to_le32(0xC0190049) +#define STATUS_TM_IDENTITY_MISMATCH __constant_cpu_to_le32(0xC019004A) +#define STATUS_FLOATED_SECTION __constant_cpu_to_le32(0xC019004B) +#define STATUS_CANNOT_ACCEPT_TRANSACTED_WORK __constant_cpu_to_le32(0xC019004C) +#define STATUS_CANNOT_ABORT_TRANSACTIONS __constant_cpu_to_le32(0xC019004D) +#define STATUS_TRANSACTION_NOT_FOUND __constant_cpu_to_le32(0xC019004E) +#define STATUS_RESOURCEMANAGER_NOT_FOUND __constant_cpu_to_le32(0xC019004F) +#define STATUS_ENLISTMENT_NOT_FOUND __constant_cpu_to_le32(0xC0190050) +#define STATUS_TRANSACTIONMANAGER_NOT_FOUND __constant_cpu_to_le32(0xC0190051) +#define STATUS_TRANSACTIONMANAGER_NOT_ONLINE __constant_cpu_to_le32(0xC0190052) +#define STATUS_TRANSACTIONMANAGER_RECOVERY_NAME_COLLISION __constant_cpu_to_le32(0xC0190053) +#define STATUS_TRANSACTION_NOT_ROOT __constant_cpu_to_le32(0xC0190054) +#define STATUS_TRANSACTION_OBJECT_EXPIRED __constant_cpu_to_le32(0xC0190055) +#define STATUS_COMPRESSION_NOT_ALLOWED_IN_TRANSACTION __constant_cpu_to_le32(0xC0190056) +#define STATUS_TRANSACTION_RESPONSE_NOT_ENLISTED __constant_cpu_to_le32(0xC0190057) +#define STATUS_TRANSACTION_RECORD_TOO_LONG __constant_cpu_to_le32(0xC0190058) +#define STATUS_NO_LINK_TRACKING_IN_TRANSACTION __constant_cpu_to_le32(0xC0190059) +#define STATUS_OPERATION_NOT_SUPPORTED_IN_TRANSACTION __constant_cpu_to_le32(0xC019005A) +#define STATUS_TRANSACTION_INTEGRITY_VIOLATED __constant_cpu_to_le32(0xC019005B) +#define STATUS_LOG_SECTOR_INVALID __constant_cpu_to_le32(0xC01A0001) +#define STATUS_LOG_SECTOR_PARITY_INVALID __constant_cpu_to_le32(0xC01A0002) +#define STATUS_LOG_SECTOR_REMAPPED __constant_cpu_to_le32(0xC01A0003) +#define STATUS_LOG_BLOCK_INCOMPLETE __constant_cpu_to_le32(0xC01A0004) +#define STATUS_LOG_INVALID_RANGE __constant_cpu_to_le32(0xC01A0005) +#define STATUS_LOG_BLOCKS_EXHAUSTED __constant_cpu_to_le32(0xC01A0006) +#define STATUS_LOG_READ_CONTEXT_INVALID __constant_cpu_to_le32(0xC01A0007) +#define STATUS_LOG_RESTART_INVALID __constant_cpu_to_le32(0xC01A0008) +#define STATUS_LOG_BLOCK_VERSION __constant_cpu_to_le32(0xC01A0009) +#define STATUS_LOG_BLOCK_INVALID __constant_cpu_to_le32(0xC01A000A) +#define STATUS_LOG_READ_MODE_INVALID __constant_cpu_to_le32(0xC01A000B) +#define STATUS_LOG_METADATA_CORRUPT __constant_cpu_to_le32(0xC01A000D) +#define STATUS_LOG_METADATA_INVALID __constant_cpu_to_le32(0xC01A000E) +#define STATUS_LOG_METADATA_INCONSISTENT __constant_cpu_to_le32(0xC01A000F) +#define STATUS_LOG_RESERVATION_INVALID __constant_cpu_to_le32(0xC01A0010) +#define STATUS_LOG_CANT_DELETE __constant_cpu_to_le32(0xC01A0011) +#define STATUS_LOG_CONTAINER_LIMIT_EXCEEDED __constant_cpu_to_le32(0xC01A0012) +#define STATUS_LOG_START_OF_LOG __constant_cpu_to_le32(0xC01A0013) +#define STATUS_LOG_POLICY_ALREADY_INSTALLED __constant_cpu_to_le32(0xC01A0014) +#define STATUS_LOG_POLICY_NOT_INSTALLED __constant_cpu_to_le32(0xC01A0015) +#define STATUS_LOG_POLICY_INVALID __constant_cpu_to_le32(0xC01A0016) +#define STATUS_LOG_POLICY_CONFLICT __constant_cpu_to_le32(0xC01A0017) +#define STATUS_LOG_PINNED_ARCHIVE_TAIL __constant_cpu_to_le32(0xC01A0018) +#define STATUS_LOG_RECORD_NONEXISTENT __constant_cpu_to_le32(0xC01A0019) +#define STATUS_LOG_RECORDS_RESERVED_INVALID __constant_cpu_to_le32(0xC01A001A) +#define STATUS_LOG_SPACE_RESERVED_INVALID __constant_cpu_to_le32(0xC01A001B) +#define STATUS_LOG_TAIL_INVALID __constant_cpu_to_le32(0xC01A001C) +#define STATUS_LOG_FULL __constant_cpu_to_le32(0xC01A001D) +#define STATUS_LOG_MULTIPLEXED __constant_cpu_to_le32(0xC01A001E) +#define STATUS_LOG_DEDICATED __constant_cpu_to_le32(0xC01A001F) +#define STATUS_LOG_ARCHIVE_NOT_IN_PROGRESS __constant_cpu_to_le32(0xC01A0020) +#define STATUS_LOG_ARCHIVE_IN_PROGRESS __constant_cpu_to_le32(0xC01A0021) +#define STATUS_LOG_EPHEMERAL __constant_cpu_to_le32(0xC01A0022) +#define STATUS_LOG_NOT_ENOUGH_CONTAINERS __constant_cpu_to_le32(0xC01A0023) +#define STATUS_LOG_CLIENT_ALREADY_REGISTERED __constant_cpu_to_le32(0xC01A0024) +#define STATUS_LOG_CLIENT_NOT_REGISTERED __constant_cpu_to_le32(0xC01A0025) +#define STATUS_LOG_FULL_HANDLER_IN_PROGRESS __constant_cpu_to_le32(0xC01A0026) +#define STATUS_LOG_CONTAINER_READ_FAILED __constant_cpu_to_le32(0xC01A0027) +#define STATUS_LOG_CONTAINER_WRITE_FAILED __constant_cpu_to_le32(0xC01A0028) +#define STATUS_LOG_CONTAINER_OPEN_FAILED __constant_cpu_to_le32(0xC01A0029) +#define STATUS_LOG_CONTAINER_STATE_INVALID __constant_cpu_to_le32(0xC01A002A) +#define STATUS_LOG_STATE_INVALID __constant_cpu_to_le32(0xC01A002B) +#define STATUS_LOG_PINNED __constant_cpu_to_le32(0xC01A002C) +#define STATUS_LOG_METADATA_FLUSH_FAILED __constant_cpu_to_le32(0xC01A002D) +#define STATUS_LOG_INCONSISTENT_SECURITY __constant_cpu_to_le32(0xC01A002E) +#define STATUS_LOG_APPENDED_FLUSH_FAILED __constant_cpu_to_le32(0xC01A002F) +#define STATUS_LOG_PINNED_RESERVATION __constant_cpu_to_le32(0xC01A0030) +#define STATUS_VIDEO_HUNG_DISPLAY_DRIVER_THREAD __constant_cpu_to_le32(0xC01B00EA) +#define STATUS_FLT_NO_HANDLER_DEFINED __constant_cpu_to_le32(0xC01C0001) +#define STATUS_FLT_CONTEXT_ALREADY_DEFINED __constant_cpu_to_le32(0xC01C0002) +#define STATUS_FLT_INVALID_ASYNCHRONOUS_REQUEST __constant_cpu_to_le32(0xC01C0003) +#define STATUS_FLT_DISALLOW_FAST_IO __constant_cpu_to_le32(0xC01C0004) +#define STATUS_FLT_INVALID_NAME_REQUEST __constant_cpu_to_le32(0xC01C0005) +#define STATUS_FLT_NOT_SAFE_TO_POST_OPERATION __constant_cpu_to_le32(0xC01C0006) +#define STATUS_FLT_NOT_INITIALIZED __constant_cpu_to_le32(0xC01C0007) +#define STATUS_FLT_FILTER_NOT_READY __constant_cpu_to_le32(0xC01C0008) +#define STATUS_FLT_POST_OPERATION_CLEANUP __constant_cpu_to_le32(0xC01C0009) +#define STATUS_FLT_INTERNAL_ERROR __constant_cpu_to_le32(0xC01C000A) +#define STATUS_FLT_DELETING_OBJECT __constant_cpu_to_le32(0xC01C000B) +#define STATUS_FLT_MUST_BE_NONPAGED_POOL __constant_cpu_to_le32(0xC01C000C) +#define STATUS_FLT_DUPLICATE_ENTRY __constant_cpu_to_le32(0xC01C000D) +#define STATUS_FLT_CBDQ_DISABLED __constant_cpu_to_le32(0xC01C000E) +#define STATUS_FLT_DO_NOT_ATTACH __constant_cpu_to_le32(0xC01C000F) +#define STATUS_FLT_DO_NOT_DETACH __constant_cpu_to_le32(0xC01C0010) +#define STATUS_FLT_INSTANCE_ALTITUDE_COLLISION __constant_cpu_to_le32(0xC01C0011) +#define STATUS_FLT_INSTANCE_NAME_COLLISION __constant_cpu_to_le32(0xC01C0012) +#define STATUS_FLT_FILTER_NOT_FOUND __constant_cpu_to_le32(0xC01C0013) +#define STATUS_FLT_VOLUME_NOT_FOUND __constant_cpu_to_le32(0xC01C0014) +#define STATUS_FLT_INSTANCE_NOT_FOUND __constant_cpu_to_le32(0xC01C0015) +#define STATUS_FLT_CONTEXT_ALLOCATION_NOT_FOUND __constant_cpu_to_le32(0xC01C0016) +#define STATUS_FLT_INVALID_CONTEXT_REGISTRATION __constant_cpu_to_le32(0xC01C0017) +#define STATUS_FLT_NAME_CACHE_MISS __constant_cpu_to_le32(0xC01C0018) +#define STATUS_FLT_NO_DEVICE_OBJECT __constant_cpu_to_le32(0xC01C0019) +#define STATUS_FLT_VOLUME_ALREADY_MOUNTED __constant_cpu_to_le32(0xC01C001A) +#define STATUS_FLT_ALREADY_ENLISTED __constant_cpu_to_le32(0xC01C001B) +#define STATUS_FLT_CONTEXT_ALREADY_LINKED __constant_cpu_to_le32(0xC01C001C) +#define STATUS_FLT_NO_WAITER_FOR_REPLY __constant_cpu_to_le32(0xC01C0020) +#define STATUS_MONITOR_NO_DESCRIPTOR __constant_cpu_to_le32(0xC01D0001) +#define STATUS_MONITOR_UNKNOWN_DESCRIPTOR_FORMAT __constant_cpu_to_le32(0xC01D0002) +#define STATUS_MONITOR_INVALID_DESCRIPTOR_CHECKSUM __constant_cpu_to_le32(0xC01D0003) +#define STATUS_MONITOR_INVALID_STANDARD_TIMING_BLOCK __constant_cpu_to_le32(0xC01D0004) +#define STATUS_MONITOR_WMI_DATABLOCK_REGISTRATION_FAILED __constant_cpu_to_le32(0xC01D0005) +#define STATUS_MONITOR_INVALID_SERIAL_NUMBER_MONDSC_BLOCK __constant_cpu_to_le32(0xC01D0006) +#define STATUS_MONITOR_INVALID_USER_FRIENDLY_MONDSC_BLOCK __constant_cpu_to_le32(0xC01D0007) +#define STATUS_MONITOR_NO_MORE_DESCRIPTOR_DATA __constant_cpu_to_le32(0xC01D0008) +#define STATUS_MONITOR_INVALID_DETAILED_TIMING_BLOCK __constant_cpu_to_le32(0xC01D0009) +#define STATUS_GRAPHICS_NOT_EXCLUSIVE_MODE_OWNER __constant_cpu_to_le32(0xC01E0000) +#define STATUS_GRAPHICS_INSUFFICIENT_DMA_BUFFER __constant_cpu_to_le32(0xC01E0001) +#define STATUS_GRAPHICS_INVALID_DISPLAY_ADAPTER __constant_cpu_to_le32(0xC01E0002) +#define STATUS_GRAPHICS_ADAPTER_WAS_RESET __constant_cpu_to_le32(0xC01E0003) +#define STATUS_GRAPHICS_INVALID_DRIVER_MODEL __constant_cpu_to_le32(0xC01E0004) +#define STATUS_GRAPHICS_PRESENT_MODE_CHANGED __constant_cpu_to_le32(0xC01E0005) +#define STATUS_GRAPHICS_PRESENT_OCCLUDED __constant_cpu_to_le32(0xC01E0006) +#define STATUS_GRAPHICS_PRESENT_DENIED __constant_cpu_to_le32(0xC01E0007) +#define STATUS_GRAPHICS_CANNOTCOLORCONVERT __constant_cpu_to_le32(0xC01E0008) +#define STATUS_GRAPHICS_NO_VIDEO_MEMORY __constant_cpu_to_le32(0xC01E0100) +#define STATUS_GRAPHICS_CANT_LOCK_MEMORY __constant_cpu_to_le32(0xC01E0101) +#define STATUS_GRAPHICS_ALLOCATION_BUSY __constant_cpu_to_le32(0xC01E0102) +#define STATUS_GRAPHICS_TOO_MANY_REFERENCES __constant_cpu_to_le32(0xC01E0103) +#define STATUS_GRAPHICS_TRY_AGAIN_LATER __constant_cpu_to_le32(0xC01E0104) +#define STATUS_GRAPHICS_TRY_AGAIN_NOW __constant_cpu_to_le32(0xC01E0105) +#define STATUS_GRAPHICS_ALLOCATION_INVALID __constant_cpu_to_le32(0xC01E0106) +#define STATUS_GRAPHICS_UNSWIZZLING_APERTURE_UNAVAILABLE __constant_cpu_to_le32(0xC01E0107) +#define STATUS_GRAPHICS_UNSWIZZLING_APERTURE_UNSUPPORTED __constant_cpu_to_le32(0xC01E0108) +#define STATUS_GRAPHICS_CANT_EVICT_PINNED_ALLOCATION __constant_cpu_to_le32(0xC01E0109) +#define STATUS_GRAPHICS_INVALID_ALLOCATION_USAGE __constant_cpu_to_le32(0xC01E0110) +#define STATUS_GRAPHICS_CANT_RENDER_LOCKED_ALLOCATION __constant_cpu_to_le32(0xC01E0111) +#define STATUS_GRAPHICS_ALLOCATION_CLOSED __constant_cpu_to_le32(0xC01E0112) +#define STATUS_GRAPHICS_INVALID_ALLOCATION_INSTANCE __constant_cpu_to_le32(0xC01E0113) +#define STATUS_GRAPHICS_INVALID_ALLOCATION_HANDLE __constant_cpu_to_le32(0xC01E0114) +#define STATUS_GRAPHICS_WRONG_ALLOCATION_DEVICE __constant_cpu_to_le32(0xC01E0115) +#define STATUS_GRAPHICS_ALLOCATION_CONTENT_LOST __constant_cpu_to_le32(0xC01E0116) +#define STATUS_GRAPHICS_GPU_EXCEPTION_ON_DEVICE __constant_cpu_to_le32(0xC01E0200) +#define STATUS_GRAPHICS_INVALID_VIDPN_TOPOLOGY __constant_cpu_to_le32(0xC01E0300) +#define STATUS_GRAPHICS_VIDPN_TOPOLOGY_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0301) +#define STATUS_GRAPHICS_VIDPN_TOPOLOGY_CURRENTLY_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0302) +#define STATUS_GRAPHICS_INVALID_VIDPN __constant_cpu_to_le32(0xC01E0303) +#define STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_SOURCE __constant_cpu_to_le32(0xC01E0304) +#define STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_TARGET __constant_cpu_to_le32(0xC01E0305) +#define STATUS_GRAPHICS_VIDPN_MODALITY_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0306) +#define STATUS_GRAPHICS_INVALID_VIDPN_SOURCEMODESET __constant_cpu_to_le32(0xC01E0308) +#define STATUS_GRAPHICS_INVALID_VIDPN_TARGETMODESET __constant_cpu_to_le32(0xC01E0309) +#define STATUS_GRAPHICS_INVALID_FREQUENCY __constant_cpu_to_le32(0xC01E030A) +#define STATUS_GRAPHICS_INVALID_ACTIVE_REGION __constant_cpu_to_le32(0xC01E030B) +#define STATUS_GRAPHICS_INVALID_TOTAL_REGION __constant_cpu_to_le32(0xC01E030C) +#define STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_SOURCE_MODE __constant_cpu_to_le32(0xC01E0310) +#define STATUS_GRAPHICS_INVALID_VIDEO_PRESENT_TARGET_MODE __constant_cpu_to_le32(0xC01E0311) +#define STATUS_GRAPHICS_PINNED_MODE_MUST_REMAIN_IN_SET __constant_cpu_to_le32(0xC01E0312) +#define STATUS_GRAPHICS_PATH_ALREADY_IN_TOPOLOGY __constant_cpu_to_le32(0xC01E0313) +#define STATUS_GRAPHICS_MODE_ALREADY_IN_MODESET __constant_cpu_to_le32(0xC01E0314) +#define STATUS_GRAPHICS_INVALID_VIDEOPRESENTSOURCESET __constant_cpu_to_le32(0xC01E0315) +#define STATUS_GRAPHICS_INVALID_VIDEOPRESENTTARGETSET __constant_cpu_to_le32(0xC01E0316) +#define STATUS_GRAPHICS_SOURCE_ALREADY_IN_SET __constant_cpu_to_le32(0xC01E0317) +#define STATUS_GRAPHICS_TARGET_ALREADY_IN_SET __constant_cpu_to_le32(0xC01E0318) +#define STATUS_GRAPHICS_INVALID_VIDPN_PRESENT_PATH __constant_cpu_to_le32(0xC01E0319) +#define STATUS_GRAPHICS_NO_RECOMMENDED_VIDPN_TOPOLOGY __constant_cpu_to_le32(0xC01E031A) +#define STATUS_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGESET __constant_cpu_to_le32(0xC01E031B) +#define STATUS_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGE __constant_cpu_to_le32(0xC01E031C) +#define STATUS_GRAPHICS_FREQUENCYRANGE_NOT_IN_SET __constant_cpu_to_le32(0xC01E031D) +#define STATUS_GRAPHICS_FREQUENCYRANGE_ALREADY_IN_SET __constant_cpu_to_le32(0xC01E031F) +#define STATUS_GRAPHICS_STALE_MODESET __constant_cpu_to_le32(0xC01E0320) +#define STATUS_GRAPHICS_INVALID_MONITOR_SOURCEMODESET __constant_cpu_to_le32(0xC01E0321) +#define STATUS_GRAPHICS_INVALID_MONITOR_SOURCE_MODE __constant_cpu_to_le32(0xC01E0322) +#define STATUS_GRAPHICS_NO_RECOMMENDED_FUNCTIONAL_VIDPN __constant_cpu_to_le32(0xC01E0323) +#define STATUS_GRAPHICS_MODE_ID_MUST_BE_UNIQUE __constant_cpu_to_le32(0xC01E0324) +#define STATUS_GRAPHICS_EMPTY_ADAPTER_MONITOR_MODE_SUPPORT_INTERSECTION __constant_cpu_to_le32(0xC01E0325) +#define STATUS_GRAPHICS_VIDEO_PRESENT_TARGETS_LESS_THAN_SOURCES __constant_cpu_to_le32(0xC01E0326) +#define STATUS_GRAPHICS_PATH_NOT_IN_TOPOLOGY __constant_cpu_to_le32(0xC01E0327) +#define STATUS_GRAPHICS_ADAPTER_MUST_HAVE_AT_LEAST_ONE_SOURCE __constant_cpu_to_le32(0xC01E0328) +#define STATUS_GRAPHICS_ADAPTER_MUST_HAVE_AT_LEAST_ONE_TARGET __constant_cpu_to_le32(0xC01E0329) +#define STATUS_GRAPHICS_INVALID_MONITORDESCRIPTORSET __constant_cpu_to_le32(0xC01E032A) +#define STATUS_GRAPHICS_INVALID_MONITORDESCRIPTOR __constant_cpu_to_le32(0xC01E032B) +#define STATUS_GRAPHICS_MONITORDESCRIPTOR_NOT_IN_SET __constant_cpu_to_le32(0xC01E032C) +#define STATUS_GRAPHICS_MONITORDESCRIPTOR_ALREADY_IN_SET __constant_cpu_to_le32(0xC01E032D) +#define STATUS_GRAPHICS_MONITORDESCRIPTOR_ID_MUST_BE_UNIQUE __constant_cpu_to_le32(0xC01E032E) +#define STATUS_GRAPHICS_INVALID_VIDPN_TARGET_SUBSET_TYPE __constant_cpu_to_le32(0xC01E032F) +#define STATUS_GRAPHICS_RESOURCES_NOT_RELATED __constant_cpu_to_le32(0xC01E0330) +#define STATUS_GRAPHICS_SOURCE_ID_MUST_BE_UNIQUE __constant_cpu_to_le32(0xC01E0331) +#define STATUS_GRAPHICS_TARGET_ID_MUST_BE_UNIQUE __constant_cpu_to_le32(0xC01E0332) +#define STATUS_GRAPHICS_NO_AVAILABLE_VIDPN_TARGET __constant_cpu_to_le32(0xC01E0333) +#define STATUS_GRAPHICS_MONITOR_COULD_NOT_BE_ASSOCIATED_WITH_ADAPTER __constant_cpu_to_le32(0xC01E0334) +#define STATUS_GRAPHICS_NO_VIDPNMGR __constant_cpu_to_le32(0xC01E0335) +#define STATUS_GRAPHICS_NO_ACTIVE_VIDPN __constant_cpu_to_le32(0xC01E0336) +#define STATUS_GRAPHICS_STALE_VIDPN_TOPOLOGY __constant_cpu_to_le32(0xC01E0337) +#define STATUS_GRAPHICS_MONITOR_NOT_CONNECTED __constant_cpu_to_le32(0xC01E0338) +#define STATUS_GRAPHICS_SOURCE_NOT_IN_TOPOLOGY __constant_cpu_to_le32(0xC01E0339) +#define STATUS_GRAPHICS_INVALID_PRIMARYSURFACE_SIZE __constant_cpu_to_le32(0xC01E033A) +#define STATUS_GRAPHICS_INVALID_VISIBLEREGION_SIZE __constant_cpu_to_le32(0xC01E033B) +#define STATUS_GRAPHICS_INVALID_STRIDE __constant_cpu_to_le32(0xC01E033C) +#define STATUS_GRAPHICS_INVALID_PIXELFORMAT __constant_cpu_to_le32(0xC01E033D) +#define STATUS_GRAPHICS_INVALID_COLORBASIS __constant_cpu_to_le32(0xC01E033E) +#define STATUS_GRAPHICS_INVALID_PIXELVALUEACCESSMODE __constant_cpu_to_le32(0xC01E033F) +#define STATUS_GRAPHICS_TARGET_NOT_IN_TOPOLOGY __constant_cpu_to_le32(0xC01E0340) +#define STATUS_GRAPHICS_NO_DISPLAY_MODE_MANAGEMENT_SUPPORT __constant_cpu_to_le32(0xC01E0341) +#define STATUS_GRAPHICS_VIDPN_SOURCE_IN_USE __constant_cpu_to_le32(0xC01E0342) +#define STATUS_GRAPHICS_CANT_ACCESS_ACTIVE_VIDPN __constant_cpu_to_le32(0xC01E0343) +#define STATUS_GRAPHICS_INVALID_PATH_IMPORTANCE_ORDINAL __constant_cpu_to_le32(0xC01E0344) +#define STATUS_GRAPHICS_INVALID_PATH_CONTENT_GEOMETRY_TRANSFORMATION __constant_cpu_to_le32(0xC01E0345) +#define STATUS_GRAPHICS_PATH_CONTENT_GEOMETRY_TRANSFORMATION_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0346) +#define STATUS_GRAPHICS_INVALID_GAMMA_RAMP __constant_cpu_to_le32(0xC01E0347) +#define STATUS_GRAPHICS_GAMMA_RAMP_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0348) +#define STATUS_GRAPHICS_MULTISAMPLING_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0349) +#define STATUS_GRAPHICS_MODE_NOT_IN_MODESET __constant_cpu_to_le32(0xC01E034A) +#define STATUS_GRAPHICS_INVALID_VIDPN_TOPOLOGY_RECOMMENDATION_REASON __constant_cpu_to_le32(0xC01E034D) +#define STATUS_GRAPHICS_INVALID_PATH_CONTENT_TYPE __constant_cpu_to_le32(0xC01E034E) +#define STATUS_GRAPHICS_INVALID_COPYPROTECTION_TYPE __constant_cpu_to_le32(0xC01E034F) +#define STATUS_GRAPHICS_UNASSIGNED_MODESET_ALREADY_EXISTS __constant_cpu_to_le32(0xC01E0350) +#define STATUS_GRAPHICS_INVALID_SCANLINE_ORDERING __constant_cpu_to_le32(0xC01E0352) +#define STATUS_GRAPHICS_TOPOLOGY_CHANGES_NOT_ALLOWED __constant_cpu_to_le32(0xC01E0353) +#define STATUS_GRAPHICS_NO_AVAILABLE_IMPORTANCE_ORDINALS __constant_cpu_to_le32(0xC01E0354) +#define STATUS_GRAPHICS_INCOMPATIBLE_PRIVATE_FORMAT __constant_cpu_to_le32(0xC01E0355) +#define STATUS_GRAPHICS_INVALID_MODE_PRUNING_ALGORITHM __constant_cpu_to_le32(0xC01E0356) +#define STATUS_GRAPHICS_INVALID_MONITOR_CAPABILITY_ORIGIN __constant_cpu_to_le32(0xC01E0357) +#define STATUS_GRAPHICS_INVALID_MONITOR_FREQUENCYRANGE_CONSTRAINT __constant_cpu_to_le32(0xC01E0358) +#define STATUS_GRAPHICS_MAX_NUM_PATHS_REACHED __constant_cpu_to_le32(0xC01E0359) +#define STATUS_GRAPHICS_CANCEL_VIDPN_TOPOLOGY_AUGMENTATION __constant_cpu_to_le32(0xC01E035A) +#define STATUS_GRAPHICS_INVALID_CLIENT_TYPE __constant_cpu_to_le32(0xC01E035B) +#define STATUS_GRAPHICS_CLIENTVIDPN_NOT_SET __constant_cpu_to_le32(0xC01E035C) +#define STATUS_GRAPHICS_SPECIFIED_CHILD_ALREADY_CONNECTED __constant_cpu_to_le32(0xC01E0400) +#define STATUS_GRAPHICS_CHILD_DESCRIPTOR_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0401) +#define STATUS_GRAPHICS_NOT_A_LINKED_ADAPTER __constant_cpu_to_le32(0xC01E0430) +#define STATUS_GRAPHICS_LEADLINK_NOT_ENUMERATED __constant_cpu_to_le32(0xC01E0431) +#define STATUS_GRAPHICS_CHAINLINKS_NOT_ENUMERATED __constant_cpu_to_le32(0xC01E0432) +#define STATUS_GRAPHICS_ADAPTER_CHAIN_NOT_READY __constant_cpu_to_le32(0xC01E0433) +#define STATUS_GRAPHICS_CHAINLINKS_NOT_STARTED __constant_cpu_to_le32(0xC01E0434) +#define STATUS_GRAPHICS_CHAINLINKS_NOT_POWERED_ON __constant_cpu_to_le32(0xC01E0435) +#define STATUS_GRAPHICS_INCONSISTENT_DEVICE_LINK_STATE __constant_cpu_to_le32(0xC01E0436) +#define STATUS_GRAPHICS_NOT_POST_DEVICE_DRIVER __constant_cpu_to_le32(0xC01E0438) +#define STATUS_GRAPHICS_ADAPTER_ACCESS_NOT_EXCLUDED __constant_cpu_to_le32(0xC01E043B) +#define STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_DOES_NOT_HAVE_COPP_SEMANTICS __constant_cpu_to_le32(0xC01E051C) +#define STATUS_GRAPHICS_OPM_INVALID_INFORMATION_REQUEST __constant_cpu_to_le32(0xC01E051D) +#define STATUS_GRAPHICS_OPM_DRIVER_INTERNAL_ERROR __constant_cpu_to_le32(0xC01E051E) +#define STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_DOES_NOT_HAVE_OPM_SEMANTICS __constant_cpu_to_le32(0xC01E051F) +#define STATUS_GRAPHICS_OPM_SIGNALING_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0520) +#define STATUS_GRAPHICS_OPM_INVALID_CONFIGURATION_REQUEST __constant_cpu_to_le32(0xC01E0521) +#define STATUS_GRAPHICS_OPM_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0500) +#define STATUS_GRAPHICS_COPP_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0501) +#define STATUS_GRAPHICS_UAB_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0502) +#define STATUS_GRAPHICS_OPM_INVALID_ENCRYPTED_PARAMETERS __constant_cpu_to_le32(0xC01E0503) +#define STATUS_GRAPHICS_OPM_PARAMETER_ARRAY_TOO_SMALL __constant_cpu_to_le32(0xC01E0504) +#define STATUS_GRAPHICS_OPM_NO_PROTECTED_OUTPUTS_EXIST __constant_cpu_to_le32(0xC01E0505) +#define STATUS_GRAPHICS_PVP_NO_DISPLAY_DEVICE_CORRESPONDS_TO_NAME __constant_cpu_to_le32(0xC01E0506) +#define STATUS_GRAPHICS_PVP_DISPLAY_DEVICE_NOT_ATTACHED_TO_DESKTOP __constant_cpu_to_le32(0xC01E0507) +#define STATUS_GRAPHICS_PVP_MIRRORING_DEVICES_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0508) +#define STATUS_GRAPHICS_OPM_INVALID_POINTER __constant_cpu_to_le32(0xC01E050A) +#define STATUS_GRAPHICS_OPM_INTERNAL_ERROR __constant_cpu_to_le32(0xC01E050B) +#define STATUS_GRAPHICS_OPM_INVALID_HANDLE __constant_cpu_to_le32(0xC01E050C) +#define STATUS_GRAPHICS_PVP_NO_MONITORS_CORRESPOND_TO_DISPLAY_DEVICE __constant_cpu_to_le32(0xC01E050D) +#define STATUS_GRAPHICS_PVP_INVALID_CERTIFICATE_LENGTH __constant_cpu_to_le32(0xC01E050E) +#define STATUS_GRAPHICS_OPM_SPANNING_MODE_ENABLED __constant_cpu_to_le32(0xC01E050F) +#define STATUS_GRAPHICS_OPM_THEATER_MODE_ENABLED __constant_cpu_to_le32(0xC01E0510) +#define STATUS_GRAPHICS_PVP_HFS_FAILED __constant_cpu_to_le32(0xC01E0511) +#define STATUS_GRAPHICS_OPM_INVALID_SRM __constant_cpu_to_le32(0xC01E0512) +#define STATUS_GRAPHICS_OPM_OUTPUT_DOES_NOT_SUPPORT_HDCP __constant_cpu_to_le32(0xC01E0513) +#define STATUS_GRAPHICS_OPM_OUTPUT_DOES_NOT_SUPPORT_ACP __constant_cpu_to_le32(0xC01E0514) +#define STATUS_GRAPHICS_OPM_OUTPUT_DOES_NOT_SUPPORT_CGMSA __constant_cpu_to_le32(0xC01E0515) +#define STATUS_GRAPHICS_OPM_HDCP_SRM_NEVER_SET __constant_cpu_to_le32(0xC01E0516) +#define STATUS_GRAPHICS_OPM_RESOLUTION_TOO_HIGH __constant_cpu_to_le32(0xC01E0517) +#define STATUS_GRAPHICS_OPM_ALL_HDCP_HARDWARE_ALREADY_IN_USE __constant_cpu_to_le32(0xC01E0518) +#define STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_NO_LONGER_EXISTS __constant_cpu_to_le32(0xC01E051A) +#define STATUS_GRAPHICS_OPM_SESSION_TYPE_CHANGE_IN_PROGRESS __constant_cpu_to_le32(0xC01E051B) +#define STATUS_GRAPHICS_I2C_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0580) +#define STATUS_GRAPHICS_I2C_DEVICE_DOES_NOT_EXIST __constant_cpu_to_le32(0xC01E0581) +#define STATUS_GRAPHICS_I2C_ERROR_TRANSMITTING_DATA __constant_cpu_to_le32(0xC01E0582) +#define STATUS_GRAPHICS_I2C_ERROR_RECEIVING_DATA __constant_cpu_to_le32(0xC01E0583) +#define STATUS_GRAPHICS_DDCCI_VCP_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E0584) +#define STATUS_GRAPHICS_DDCCI_INVALID_DATA __constant_cpu_to_le32(0xC01E0585) +#define STATUS_GRAPHICS_DDCCI_MONITOR_RETURNED_INVALID_TIMING_STATUS_BYTE __constant_cpu_to_le32(0xC01E0586) +#define STATUS_GRAPHICS_DDCCI_INVALID_CAPABILITIES_STRING __constant_cpu_to_le32(0xC01E0587) +#define STATUS_GRAPHICS_MCA_INTERNAL_ERROR __constant_cpu_to_le32(0xC01E0588) +#define STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_COMMAND __constant_cpu_to_le32(0xC01E0589) +#define STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_LENGTH __constant_cpu_to_le32(0xC01E058A) +#define STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_CHECKSUM __constant_cpu_to_le32(0xC01E058B) +#define STATUS_GRAPHICS_INVALID_PHYSICAL_MONITOR_HANDLE __constant_cpu_to_le32(0xC01E058C) +#define STATUS_GRAPHICS_MONITOR_NO_LONGER_EXISTS __constant_cpu_to_le32(0xC01E058D) +#define STATUS_GRAPHICS_ONLY_CONSOLE_SESSION_SUPPORTED __constant_cpu_to_le32(0xC01E05E0) +#define STATUS_GRAPHICS_NO_DISPLAY_DEVICE_CORRESPONDS_TO_NAME __constant_cpu_to_le32(0xC01E05E1) +#define STATUS_GRAPHICS_DISPLAY_DEVICE_NOT_ATTACHED_TO_DESKTOP __constant_cpu_to_le32(0xC01E05E2) +#define STATUS_GRAPHICS_MIRRORING_DEVICES_NOT_SUPPORTED __constant_cpu_to_le32(0xC01E05E3) +#define STATUS_GRAPHICS_INVALID_POINTER __constant_cpu_to_le32(0xC01E05E4) +#define STATUS_GRAPHICS_NO_MONITORS_CORRESPOND_TO_DISPLAY_DEVICE __constant_cpu_to_le32(0xC01E05E5) +#define STATUS_GRAPHICS_PARAMETER_ARRAY_TOO_SMALL __constant_cpu_to_le32(0xC01E05E6) +#define STATUS_GRAPHICS_INTERNAL_ERROR __constant_cpu_to_le32(0xC01E05E7) +#define STATUS_GRAPHICS_SESSION_TYPE_CHANGE_IN_PROGRESS __constant_cpu_to_le32(0xC01E05E8) +#define STATUS_FVE_LOCKED_VOLUME __constant_cpu_to_le32(0xC0210000) +#define STATUS_FVE_NOT_ENCRYPTED __constant_cpu_to_le32(0xC0210001) +#define STATUS_FVE_BAD_INFORMATION __constant_cpu_to_le32(0xC0210002) +#define STATUS_FVE_TOO_SMALL __constant_cpu_to_le32(0xC0210003) +#define STATUS_FVE_FAILED_WRONG_FS __constant_cpu_to_le32(0xC0210004) +#define STATUS_FVE_FAILED_BAD_FS __constant_cpu_to_le32(0xC0210005) +#define STATUS_FVE_FS_NOT_EXTENDED __constant_cpu_to_le32(0xC0210006) +#define STATUS_FVE_FS_MOUNTED __constant_cpu_to_le32(0xC0210007) +#define STATUS_FVE_NO_LICENSE __constant_cpu_to_le32(0xC0210008) +#define STATUS_FVE_ACTION_NOT_ALLOWED __constant_cpu_to_le32(0xC0210009) +#define STATUS_FVE_BAD_DATA __constant_cpu_to_le32(0xC021000A) +#define STATUS_FVE_VOLUME_NOT_BOUND __constant_cpu_to_le32(0xC021000B) +#define STATUS_FVE_NOT_DATA_VOLUME __constant_cpu_to_le32(0xC021000C) +#define STATUS_FVE_CONV_READ_ERROR __constant_cpu_to_le32(0xC021000D) +#define STATUS_FVE_CONV_WRITE_ERROR __constant_cpu_to_le32(0xC021000E) +#define STATUS_FVE_OVERLAPPED_UPDATE __constant_cpu_to_le32(0xC021000F) +#define STATUS_FVE_FAILED_SECTOR_SIZE __constant_cpu_to_le32(0xC0210010) +#define STATUS_FVE_FAILED_AUTHENTICATION __constant_cpu_to_le32(0xC0210011) +#define STATUS_FVE_NOT_OS_VOLUME __constant_cpu_to_le32(0xC0210012) +#define STATUS_FVE_KEYFILE_NOT_FOUND __constant_cpu_to_le32(0xC0210013) +#define STATUS_FVE_KEYFILE_INVALID __constant_cpu_to_le32(0xC0210014) +#define STATUS_FVE_KEYFILE_NO_VMK __constant_cpu_to_le32(0xC0210015) +#define STATUS_FVE_TPM_DISABLED __constant_cpu_to_le32(0xC0210016) +#define STATUS_FVE_TPM_SRK_AUTH_NOT_ZERO __constant_cpu_to_le32(0xC0210017) +#define STATUS_FVE_TPM_INVALID_PCR __constant_cpu_to_le32(0xC0210018) +#define STATUS_FVE_TPM_NO_VMK __constant_cpu_to_le32(0xC0210019) +#define STATUS_FVE_PIN_INVALID __constant_cpu_to_le32(0xC021001A) +#define STATUS_FVE_AUTH_INVALID_APPLICATION __constant_cpu_to_le32(0xC021001B) +#define STATUS_FVE_AUTH_INVALID_CONFIG __constant_cpu_to_le32(0xC021001C) +#define STATUS_FVE_DEBUGGER_ENABLED __constant_cpu_to_le32(0xC021001D) +#define STATUS_FVE_DRY_RUN_FAILED __constant_cpu_to_le32(0xC021001E) +#define STATUS_FVE_BAD_METADATA_POINTER __constant_cpu_to_le32(0xC021001F) +#define STATUS_FVE_OLD_METADATA_COPY __constant_cpu_to_le32(0xC0210020) +#define STATUS_FVE_REBOOT_REQUIRED __constant_cpu_to_le32(0xC0210021) +#define STATUS_FVE_RAW_ACCESS __constant_cpu_to_le32(0xC0210022) +#define STATUS_FVE_RAW_BLOCKED __constant_cpu_to_le32(0xC0210023) +#define STATUS_FWP_CALLOUT_NOT_FOUND __constant_cpu_to_le32(0xC0220001) +#define STATUS_FWP_CONDITION_NOT_FOUND __constant_cpu_to_le32(0xC0220002) +#define STATUS_FWP_FILTER_NOT_FOUND __constant_cpu_to_le32(0xC0220003) +#define STATUS_FWP_LAYER_NOT_FOUND __constant_cpu_to_le32(0xC0220004) +#define STATUS_FWP_PROVIDER_NOT_FOUND __constant_cpu_to_le32(0xC0220005) +#define STATUS_FWP_PROVIDER_CONTEXT_NOT_FOUND __constant_cpu_to_le32(0xC0220006) +#define STATUS_FWP_SUBLAYER_NOT_FOUND __constant_cpu_to_le32(0xC0220007) +#define STATUS_FWP_NOT_FOUND __constant_cpu_to_le32(0xC0220008) +#define STATUS_FWP_ALREADY_EXISTS __constant_cpu_to_le32(0xC0220009) +#define STATUS_FWP_IN_USE __constant_cpu_to_le32(0xC022000A) +#define STATUS_FWP_DYNAMIC_SESSION_IN_PROGRESS __constant_cpu_to_le32(0xC022000B) +#define STATUS_FWP_WRONG_SESSION __constant_cpu_to_le32(0xC022000C) +#define STATUS_FWP_NO_TXN_IN_PROGRESS __constant_cpu_to_le32(0xC022000D) +#define STATUS_FWP_TXN_IN_PROGRESS __constant_cpu_to_le32(0xC022000E) +#define STATUS_FWP_TXN_ABORTED __constant_cpu_to_le32(0xC022000F) +#define STATUS_FWP_SESSION_ABORTED __constant_cpu_to_le32(0xC0220010) +#define STATUS_FWP_INCOMPATIBLE_TXN __constant_cpu_to_le32(0xC0220011) +#define STATUS_FWP_TIMEOUT __constant_cpu_to_le32(0xC0220012) +#define STATUS_FWP_NET_EVENTS_DISABLED __constant_cpu_to_le32(0xC0220013) +#define STATUS_FWP_INCOMPATIBLE_LAYER __constant_cpu_to_le32(0xC0220014) +#define STATUS_FWP_KM_CLIENTS_ONLY __constant_cpu_to_le32(0xC0220015) +#define STATUS_FWP_LIFETIME_MISMATCH __constant_cpu_to_le32(0xC0220016) +#define STATUS_FWP_BUILTIN_OBJECT __constant_cpu_to_le32(0xC0220017) +#define STATUS_FWP_TOO_MANY_BOOTTIME_FILTERS __constant_cpu_to_le32(0xC0220018) +#define STATUS_FWP_TOO_MANY_CALLOUTS __constant_cpu_to_le32(0xC0220018) +#define STATUS_FWP_NOTIFICATION_DROPPED __constant_cpu_to_le32(0xC0220019) +#define STATUS_FWP_TRAFFIC_MISMATCH __constant_cpu_to_le32(0xC022001A) +#define STATUS_FWP_INCOMPATIBLE_SA_STATE __constant_cpu_to_le32(0xC022001B) +#define STATUS_FWP_NULL_POINTER __constant_cpu_to_le32(0xC022001C) +#define STATUS_FWP_INVALID_ENUMERATOR __constant_cpu_to_le32(0xC022001D) +#define STATUS_FWP_INVALID_FLAGS __constant_cpu_to_le32(0xC022001E) +#define STATUS_FWP_INVALID_NET_MASK __constant_cpu_to_le32(0xC022001F) +#define STATUS_FWP_INVALID_RANGE __constant_cpu_to_le32(0xC0220020) +#define STATUS_FWP_INVALID_INTERVAL __constant_cpu_to_le32(0xC0220021) +#define STATUS_FWP_ZERO_LENGTH_ARRAY __constant_cpu_to_le32(0xC0220022) +#define STATUS_FWP_NULL_DISPLAY_NAME __constant_cpu_to_le32(0xC0220023) +#define STATUS_FWP_INVALID_ACTION_TYPE __constant_cpu_to_le32(0xC0220024) +#define STATUS_FWP_INVALID_WEIGHT __constant_cpu_to_le32(0xC0220025) +#define STATUS_FWP_MATCH_TYPE_MISMATCH __constant_cpu_to_le32(0xC0220026) +#define STATUS_FWP_TYPE_MISMATCH __constant_cpu_to_le32(0xC0220027) +#define STATUS_FWP_OUT_OF_BOUNDS __constant_cpu_to_le32(0xC0220028) +#define STATUS_FWP_RESERVED __constant_cpu_to_le32(0xC0220029) +#define STATUS_FWP_DUPLICATE_CONDITION __constant_cpu_to_le32(0xC022002A) +#define STATUS_FWP_DUPLICATE_KEYMOD __constant_cpu_to_le32(0xC022002B) +#define STATUS_FWP_ACTION_INCOMPATIBLE_WITH_LAYER __constant_cpu_to_le32(0xC022002C) +#define STATUS_FWP_ACTION_INCOMPATIBLE_WITH_SUBLAYER __constant_cpu_to_le32(0xC022002D) +#define STATUS_FWP_CONTEXT_INCOMPATIBLE_WITH_LAYER __constant_cpu_to_le32(0xC022002E) +#define STATUS_FWP_CONTEXT_INCOMPATIBLE_WITH_CALLOUT __constant_cpu_to_le32(0xC022002F) +#define STATUS_FWP_INCOMPATIBLE_AUTH_METHOD __constant_cpu_to_le32(0xC0220030) +#define STATUS_FWP_INCOMPATIBLE_DH_GROUP __constant_cpu_to_le32(0xC0220031) +#define STATUS_FWP_EM_NOT_SUPPORTED __constant_cpu_to_le32(0xC0220032) +#define STATUS_FWP_NEVER_MATCH __constant_cpu_to_le32(0xC0220033) +#define STATUS_FWP_PROVIDER_CONTEXT_MISMATCH __constant_cpu_to_le32(0xC0220034) +#define STATUS_FWP_INVALID_PARAMETER __constant_cpu_to_le32(0xC0220035) +#define STATUS_FWP_TOO_MANY_SUBLAYERS __constant_cpu_to_le32(0xC0220036) +#define STATUS_FWP_CALLOUT_NOTIFICATION_FAILED __constant_cpu_to_le32(0xC0220037) +#define STATUS_FWP_INCOMPATIBLE_AUTH_CONFIG __constant_cpu_to_le32(0xC0220038) +#define STATUS_FWP_INCOMPATIBLE_CIPHER_CONFIG __constant_cpu_to_le32(0xC0220039) +#define STATUS_FWP_TCPIP_NOT_READY __constant_cpu_to_le32(0xC0220100) +#define STATUS_FWP_INJECT_HANDLE_CLOSING __constant_cpu_to_le32(0xC0220101) +#define STATUS_FWP_INJECT_HANDLE_STALE __constant_cpu_to_le32(0xC0220102) +#define STATUS_FWP_CANNOT_PEND __constant_cpu_to_le32(0xC0220103) +#define STATUS_NDIS_CLOSING __constant_cpu_to_le32(0xC0230002) +#define STATUS_NDIS_BAD_VERSION __constant_cpu_to_le32(0xC0230004) +#define STATUS_NDIS_BAD_CHARACTERISTICS __constant_cpu_to_le32(0xC0230005) +#define STATUS_NDIS_ADAPTER_NOT_FOUND __constant_cpu_to_le32(0xC0230006) +#define STATUS_NDIS_OPEN_FAILED __constant_cpu_to_le32(0xC0230007) +#define STATUS_NDIS_DEVICE_FAILED __constant_cpu_to_le32(0xC0230008) +#define STATUS_NDIS_MULTICAST_FULL __constant_cpu_to_le32(0xC0230009) +#define STATUS_NDIS_MULTICAST_EXISTS __constant_cpu_to_le32(0xC023000A) +#define STATUS_NDIS_MULTICAST_NOT_FOUND __constant_cpu_to_le32(0xC023000B) +#define STATUS_NDIS_REQUEST_ABORTED __constant_cpu_to_le32(0xC023000C) +#define STATUS_NDIS_RESET_IN_PROGRESS __constant_cpu_to_le32(0xC023000D) +#define STATUS_NDIS_INVALID_PACKET __constant_cpu_to_le32(0xC023000F) +#define STATUS_NDIS_INVALID_DEVICE_REQUEST __constant_cpu_to_le32(0xC0230010) +#define STATUS_NDIS_ADAPTER_NOT_READY __constant_cpu_to_le32(0xC0230011) +#define STATUS_NDIS_INVALID_LENGTH __constant_cpu_to_le32(0xC0230014) +#define STATUS_NDIS_INVALID_DATA __constant_cpu_to_le32(0xC0230015) +#define STATUS_NDIS_BUFFER_TOO_SHORT __constant_cpu_to_le32(0xC0230016) +#define STATUS_NDIS_INVALID_OID __constant_cpu_to_le32(0xC0230017) +#define STATUS_NDIS_ADAPTER_REMOVED __constant_cpu_to_le32(0xC0230018) +#define STATUS_NDIS_UNSUPPORTED_MEDIA __constant_cpu_to_le32(0xC0230019) +#define STATUS_NDIS_GROUP_ADDRESS_IN_USE __constant_cpu_to_le32(0xC023001A) +#define STATUS_NDIS_FILE_NOT_FOUND __constant_cpu_to_le32(0xC023001B) +#define STATUS_NDIS_ERROR_READING_FILE __constant_cpu_to_le32(0xC023001C) +#define STATUS_NDIS_ALREADY_MAPPED __constant_cpu_to_le32(0xC023001D) +#define STATUS_NDIS_RESOURCE_CONFLICT __constant_cpu_to_le32(0xC023001E) +#define STATUS_NDIS_MEDIA_DISCONNECTED __constant_cpu_to_le32(0xC023001F) +#define STATUS_NDIS_INVALID_ADDRESS __constant_cpu_to_le32(0xC0230022) +#define STATUS_NDIS_PAUSED __constant_cpu_to_le32(0xC023002A) +#define STATUS_NDIS_INTERFACE_NOT_FOUND __constant_cpu_to_le32(0xC023002B) +#define STATUS_NDIS_UNSUPPORTED_REVISION __constant_cpu_to_le32(0xC023002C) +#define STATUS_NDIS_INVALID_PORT __constant_cpu_to_le32(0xC023002D) +#define STATUS_NDIS_INVALID_PORT_STATE __constant_cpu_to_le32(0xC023002E) +#define STATUS_NDIS_LOW_POWER_STATE __constant_cpu_to_le32(0xC023002F) +#define STATUS_NDIS_NOT_SUPPORTED __constant_cpu_to_le32(0xC02300BB) +#define STATUS_NDIS_DOT11_AUTO_CONFIG_ENABLED __constant_cpu_to_le32(0xC0232000) +#define STATUS_NDIS_DOT11_MEDIA_IN_USE __constant_cpu_to_le32(0xC0232001) +#define STATUS_NDIS_DOT11_POWER_STATE_INVALID __constant_cpu_to_le32(0xC0232002) +#define STATUS_IPSEC_BAD_SPI __constant_cpu_to_le32(0xC0360001) +#define STATUS_IPSEC_SA_LIFETIME_EXPIRED __constant_cpu_to_le32(0xC0360002) +#define STATUS_IPSEC_WRONG_SA __constant_cpu_to_le32(0xC0360003) +#define STATUS_IPSEC_REPLAY_CHECK_FAILED __constant_cpu_to_le32(0xC0360004) +#define STATUS_IPSEC_INVALID_PACKET __constant_cpu_to_le32(0xC0360005) +#define STATUS_IPSEC_INTEGRITY_CHECK_FAILED __constant_cpu_to_le32(0xC0360006) +#define STATUS_IPSEC_CLEAR_TEXT_DROP __constant_cpu_to_le32(0xC0360007) diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c new file mode 100644 index 000000000000..31f5d420b3ea --- /dev/null +++ b/fs/cifs/smb2transport.c @@ -0,0 +1,172 @@ +/* + * fs/cifs/smb2transport.c + * + * Copyright (C) International Business Machines Corp., 2002, 2011 + * Etersoft, 2012 + * Author(s): Steve French (sfrench@us.ibm.com) + * Jeremy Allison (jra@samba.org) 2006 + * Pavel Shilovsky (pshilovsky@samba.org) 2012 + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/fs.h> +#include <linux/list.h> +#include <linux/wait.h> +#include <linux/net.h> +#include <linux/delay.h> +#include <linux/uaccess.h> +#include <asm/processor.h> +#include <linux/mempool.h> +#include "smb2pdu.h" +#include "cifsglob.h" +#include "cifsproto.h" +#include "smb2proto.h" +#include "cifs_debug.h" +#include "smb2status.h" + +/* + * Set message id for the request. Should be called after wait_for_free_request + * and when srv_mutex is held. + */ +static inline void +smb2_seq_num_into_buf(struct TCP_Server_Info *server, struct smb2_hdr *hdr) +{ + hdr->MessageId = get_next_mid(server); +} + +static struct mid_q_entry * +smb2_mid_entry_alloc(const struct smb2_hdr *smb_buffer, + struct TCP_Server_Info *server) +{ + struct mid_q_entry *temp; + + if (server == NULL) { + cERROR(1, "Null TCP session in smb2_mid_entry_alloc"); + return NULL; + } + + temp = mempool_alloc(cifs_mid_poolp, GFP_NOFS); + if (temp == NULL) + return temp; + else { + memset(temp, 0, sizeof(struct mid_q_entry)); + temp->mid = smb_buffer->MessageId; /* always LE */ + temp->pid = current->pid; + temp->command = smb_buffer->Command; /* Always LE */ + temp->when_alloc = jiffies; + temp->server = server; + + /* + * The default is for the mid to be synchronous, so the + * default callback just wakes up the current task. + */ + temp->callback = cifs_wake_up_task; + temp->callback_data = current; + } + + atomic_inc(&midCount); + temp->mid_state = MID_REQUEST_ALLOCATED; + return temp; +} + +static int +smb2_get_mid_entry(struct cifs_ses *ses, struct smb2_hdr *buf, + struct mid_q_entry **mid) +{ + if (ses->server->tcpStatus == CifsExiting) + return -ENOENT; + + if (ses->server->tcpStatus == CifsNeedReconnect) { + cFYI(1, "tcp session dead - return to caller to retry"); + return -EAGAIN; + } + + if (ses->status != CifsGood) { + /* check if SMB2 session is bad because we are setting it up */ + if ((buf->Command != SMB2_SESSION_SETUP) && + (buf->Command != SMB2_NEGOTIATE)) + return -EAGAIN; + /* else ok - we are setting up session */ + } + *mid = smb2_mid_entry_alloc(buf, ses->server); + if (*mid == NULL) + return -ENOMEM; + spin_lock(&GlobalMid_Lock); + list_add_tail(&(*mid)->qhead, &ses->server->pending_mid_q); + spin_unlock(&GlobalMid_Lock); + return 0; +} + +int +smb2_check_receive(struct mid_q_entry *mid, struct TCP_Server_Info *server, + bool log_error) +{ + unsigned int len = get_rfc1002_length(mid->resp_buf); + + dump_smb(mid->resp_buf, min_t(u32, 80, len)); + /* convert the length into a more usable form */ + /* BB - uncomment with SMB2 signing implementation */ + /* if ((len > 24) && + (server->sec_mode & (SECMODE_SIGN_REQUIRED|SECMODE_SIGN_ENABLED))) { + if (smb2_verify_signature(mid->resp_buf, server)) + cERROR(1, "Unexpected SMB signature"); + } */ + + return map_smb2_to_linux_error(mid->resp_buf, log_error); +} + +int +smb2_setup_request(struct cifs_ses *ses, struct kvec *iov, + unsigned int nvec, struct mid_q_entry **ret_mid) +{ + int rc; + struct smb2_hdr *hdr = (struct smb2_hdr *)iov[0].iov_base; + struct mid_q_entry *mid; + + smb2_seq_num_into_buf(ses->server, hdr); + + rc = smb2_get_mid_entry(ses, hdr, &mid); + if (rc) + return rc; + /* rc = smb2_sign_smb2(iov, nvec, ses->server); + if (rc) + delete_mid(mid); */ + *ret_mid = mid; + return rc; +} + +int +smb2_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov, + unsigned int nvec, struct mid_q_entry **ret_mid) +{ + int rc = 0; + struct smb2_hdr *hdr = (struct smb2_hdr *)iov[0].iov_base; + struct mid_q_entry *mid; + + smb2_seq_num_into_buf(server, hdr); + + mid = smb2_mid_entry_alloc(hdr, server); + if (mid == NULL) + return -ENOMEM; + + /* rc = smb2_sign_smb2(iov, nvec, server); + if (rc) { + DeleteMidQEntry(mid); + return rc; + }*/ + *ret_mid = mid; + return rc; +} diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c index d5cd9aa7eacc..a0a58fbe2c10 100644 --- a/fs/cifs/smbencrypt.c +++ b/fs/cifs/smbencrypt.c @@ -78,7 +78,7 @@ smbhash(unsigned char *out, const unsigned char *in, unsigned char *key) tfm_des = crypto_alloc_blkcipher("ecb(des)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm_des)) { rc = PTR_ERR(tfm_des); - cERROR(1, "could not allocate des crypto API\n"); + cERROR(1, "could not allocate des crypto API"); goto smbhash_err; } @@ -91,7 +91,7 @@ smbhash(unsigned char *out, const unsigned char *in, unsigned char *key) rc = crypto_blkcipher_encrypt(&desc, &sgout, &sgin, 8); if (rc) - cERROR(1, "could not encrypt crypt key rc: %d\n", rc); + cERROR(1, "could not encrypt crypt key rc: %d", rc); crypto_free_blkcipher(tfm_des); smbhash_err: @@ -139,14 +139,14 @@ mdfour(unsigned char *md4_hash, unsigned char *link_str, int link_len) md4 = crypto_alloc_shash("md4", 0, 0); if (IS_ERR(md4)) { rc = PTR_ERR(md4); - cERROR(1, "%s: Crypto md4 allocation error %d\n", __func__, rc); + cERROR(1, "%s: Crypto md4 allocation error %d", __func__, rc); return rc; } size = sizeof(struct shash_desc) + crypto_shash_descsize(md4); sdescmd4 = kmalloc(size, GFP_KERNEL); if (!sdescmd4) { rc = -ENOMEM; - cERROR(1, "%s: Memory allocation failure\n", __func__); + cERROR(1, "%s: Memory allocation failure", __func__); goto mdfour_err; } sdescmd4->shash.tfm = md4; @@ -154,17 +154,17 @@ mdfour(unsigned char *md4_hash, unsigned char *link_str, int link_len) rc = crypto_shash_init(&sdescmd4->shash); if (rc) { - cERROR(1, "%s: Could not init md4 shash\n", __func__); + cERROR(1, "%s: Could not init md4 shash", __func__); goto mdfour_err; } rc = crypto_shash_update(&sdescmd4->shash, link_str, link_len); if (rc) { - cERROR(1, "%s: Could not update with link_str\n", __func__); + cERROR(1, "%s: Could not update with link_str", __func__); goto mdfour_err; } rc = crypto_shash_final(&sdescmd4->shash, md4_hash); if (rc) - cERROR(1, "%s: Could not genereate md4 hash\n", __func__); + cERROR(1, "%s: Could not genereate md4 hash", __func__); mdfour_err: crypto_free_shash(md4); diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 3097ee58fd7d..83867ef348df 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -35,10 +35,8 @@ #include "cifsproto.h" #include "cifs_debug.h" -extern mempool_t *cifs_mid_poolp; - -static void -wake_up_task(struct mid_q_entry *mid) +void +cifs_wake_up_task(struct mid_q_entry *mid) { wake_up_process(mid->callback_data); } @@ -65,12 +63,13 @@ AllocMidQEntry(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server) /* do_gettimeofday(&temp->when_sent);*/ /* easier to use jiffies */ /* when mid allocated can be before when sent */ temp->when_alloc = jiffies; + temp->server = server; /* * The default is for the mid to be synchronous, so the * default callback just wakes up the current task. */ - temp->callback = wake_up_task; + temp->callback = cifs_wake_up_task; temp->callback_data = current; } @@ -83,6 +82,7 @@ void DeleteMidQEntry(struct mid_q_entry *midEntry) { #ifdef CONFIG_CIFS_STATS2 + __le16 command = midEntry->server->vals->lock_cmd; unsigned long now; #endif midEntry->mid_state = MID_FREE; @@ -96,8 +96,7 @@ DeleteMidQEntry(struct mid_q_entry *midEntry) /* commands taking longer than one second are indications that something is wrong, unless it is quite a slow link or server */ if ((now - midEntry->when_alloc) > HZ) { - if ((cifsFYI & CIFS_TIMER) && - (midEntry->command != cpu_to_le16(SMB_COM_LOCKING_ANDX))) { + if ((cifsFYI & CIFS_TIMER) && (midEntry->command != command)) { printk(KERN_DEBUG " CIFS slow rsp: cmd %d mid %llu", midEntry->command, midEntry->mid); printk(" A: 0x%lx S: 0x%lx R: 0x%lx\n", @@ -126,7 +125,6 @@ smb_sendv(struct TCP_Server_Info *server, struct kvec *iov, int n_vec) int rc = 0; int i = 0; struct msghdr smb_msg; - __be32 *buf_len = (__be32 *)(iov[0].iov_base); unsigned int len = iov[0].iov_len; unsigned int total_len; int first_vec = 0; @@ -235,9 +233,6 @@ smb_sendv(struct TCP_Server_Info *server, struct kvec *iov, int n_vec) else rc = 0; - /* Don't want to modify the buffer as a side effect of this call. */ - *buf_len = cpu_to_be32(smb_buf_length); - return rc; } @@ -254,13 +249,13 @@ smb_send(struct TCP_Server_Info *server, struct smb_hdr *smb_buffer, } static int -wait_for_free_credits(struct TCP_Server_Info *server, const int optype, +wait_for_free_credits(struct TCP_Server_Info *server, const int timeout, int *credits) { int rc; spin_lock(&server->req_lock); - if (optype == CIFS_ASYNC_OP) { + if (timeout == CIFS_ASYNC_OP) { /* oplock breaks must not be held up */ server->in_flight++; *credits -= 1; @@ -290,7 +285,7 @@ wait_for_free_credits(struct TCP_Server_Info *server, const int optype, */ /* update # of requests on the wire to server */ - if (optype != CIFS_BLOCKING_OP) { + if (timeout != CIFS_BLOCKING_OP) { *credits -= 1; server->in_flight++; } @@ -302,10 +297,11 @@ wait_for_free_credits(struct TCP_Server_Info *server, const int optype, } static int -wait_for_free_request(struct TCP_Server_Info *server, const int optype) +wait_for_free_request(struct TCP_Server_Info *server, const int timeout, + const int optype) { - return wait_for_free_credits(server, optype, - server->ops->get_credits_field(server)); + return wait_for_free_credits(server, timeout, + server->ops->get_credits_field(server, optype)); } static int allocate_mid(struct cifs_ses *ses, struct smb_hdr *in_buf, @@ -349,7 +345,7 @@ wait_for_response(struct TCP_Server_Info *server, struct mid_q_entry *midQ) return 0; } -static int +int cifs_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov, unsigned int nvec, struct mid_q_entry **ret_mid) { @@ -365,16 +361,14 @@ cifs_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov, if (mid == NULL) return -ENOMEM; - /* put it on the pending_mid_q */ - spin_lock(&GlobalMid_Lock); - list_add_tail(&mid->qhead, &server->pending_mid_q); - spin_unlock(&GlobalMid_Lock); + rc = cifs_sign_smbv(iov, nvec, server, &mid->sequence_number); + if (rc) { + DeleteMidQEntry(mid); + return rc; + } - rc = cifs_sign_smb2(iov, nvec, server, &mid->sequence_number); - if (rc) - delete_mid(mid); *ret_mid = mid; - return rc; + return 0; } /* @@ -384,20 +378,23 @@ cifs_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov, int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov, unsigned int nvec, mid_receive_t *receive, - mid_callback_t *callback, void *cbdata, bool ignore_pend) + mid_callback_t *callback, void *cbdata, const int flags) { - int rc; + int rc, timeout, optype; struct mid_q_entry *mid; - rc = wait_for_free_request(server, ignore_pend ? CIFS_ASYNC_OP : 0); + timeout = flags & CIFS_TIMEOUT_MASK; + optype = flags & CIFS_OP_MASK; + + rc = wait_for_free_request(server, timeout, optype); if (rc) return rc; mutex_lock(&server->srv_mutex); - rc = cifs_setup_async_request(server, iov, nvec, &mid); + rc = server->ops->setup_async_request(server, iov, nvec, &mid); if (rc) { mutex_unlock(&server->srv_mutex); - add_credits(server, 1); + add_credits(server, 1, optype); wake_up(&server->request_q); return rc; } @@ -407,19 +404,23 @@ cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov, mid->callback_data = cbdata; mid->mid_state = MID_REQUEST_SUBMITTED; + /* put it on the pending_mid_q */ + spin_lock(&GlobalMid_Lock); + list_add_tail(&mid->qhead, &server->pending_mid_q); + spin_unlock(&GlobalMid_Lock); + + cifs_in_send_inc(server); rc = smb_sendv(server, iov, nvec); cifs_in_send_dec(server); cifs_save_when_sent(mid); mutex_unlock(&server->srv_mutex); - if (rc) - goto out_err; + if (rc == 0) + return 0; - return rc; -out_err: delete_mid(mid); - add_credits(server, 1); + add_credits(server, 1, optype); wake_up(&server->request_q); return rc; } @@ -526,7 +527,7 @@ cifs_setup_request(struct cifs_ses *ses, struct kvec *iov, rc = allocate_mid(ses, hdr, &mid); if (rc) return rc; - rc = cifs_sign_smb2(iov, nvec, ses->server, &mid->sequence_number); + rc = cifs_sign_smbv(iov, nvec, ses->server, &mid->sequence_number); if (rc) delete_mid(mid); *ret_mid = mid; @@ -535,17 +536,19 @@ cifs_setup_request(struct cifs_ses *ses, struct kvec *iov, int SendReceive2(const unsigned int xid, struct cifs_ses *ses, - struct kvec *iov, int n_vec, int *pRespBufType /* ret */, + struct kvec *iov, int n_vec, int *resp_buf_type /* ret */, const int flags) { int rc = 0; - int long_op; + int timeout, optype; struct mid_q_entry *midQ; char *buf = iov[0].iov_base; + unsigned int credits = 1; - long_op = flags & CIFS_TIMEOUT_MASK; + timeout = flags & CIFS_TIMEOUT_MASK; + optype = flags & CIFS_OP_MASK; - *pRespBufType = CIFS_NO_BUFFER; /* no response buf yet */ + *resp_buf_type = CIFS_NO_BUFFER; /* no response buf yet */ if ((ses == NULL) || (ses->server == NULL)) { cifs_small_buf_release(buf); @@ -564,7 +567,7 @@ SendReceive2(const unsigned int xid, struct cifs_ses *ses, * use ses->maxReq. */ - rc = wait_for_free_request(ses->server, long_op); + rc = wait_for_free_request(ses->server, timeout, optype); if (rc) { cifs_small_buf_release(buf); return rc; @@ -583,7 +586,7 @@ SendReceive2(const unsigned int xid, struct cifs_ses *ses, mutex_unlock(&ses->server->srv_mutex); cifs_small_buf_release(buf); /* Update # of requests on wire to server */ - add_credits(ses->server, 1); + add_credits(ses->server, 1, optype); return rc; } @@ -600,7 +603,7 @@ SendReceive2(const unsigned int xid, struct cifs_ses *ses, goto out; } - if (long_op == CIFS_ASYNC_OP) { + if (timeout == CIFS_ASYNC_OP) { cifs_small_buf_release(buf); goto out; } @@ -613,7 +616,7 @@ SendReceive2(const unsigned int xid, struct cifs_ses *ses, midQ->callback = DeleteMidQEntry; spin_unlock(&GlobalMid_Lock); cifs_small_buf_release(buf); - add_credits(ses->server, 1); + add_credits(ses->server, 1, optype); return rc; } spin_unlock(&GlobalMid_Lock); @@ -623,7 +626,7 @@ SendReceive2(const unsigned int xid, struct cifs_ses *ses, rc = cifs_sync_mid_result(midQ, ses->server); if (rc != 0) { - add_credits(ses->server, 1); + add_credits(ses->server, 1, optype); return rc; } @@ -637,9 +640,11 @@ SendReceive2(const unsigned int xid, struct cifs_ses *ses, iov[0].iov_base = buf; iov[0].iov_len = get_rfc1002_length(buf) + 4; if (midQ->large_buf) - *pRespBufType = CIFS_LARGE_BUFFER; + *resp_buf_type = CIFS_LARGE_BUFFER; else - *pRespBufType = CIFS_SMALL_BUFFER; + *resp_buf_type = CIFS_SMALL_BUFFER; + + credits = ses->server->ops->get_credits(midQ); rc = ses->server->ops->check_receive(midQ, ses->server, flags & CIFS_LOG_ERROR); @@ -649,7 +654,7 @@ SendReceive2(const unsigned int xid, struct cifs_ses *ses, midQ->resp_buf = NULL; out: delete_mid(midQ); - add_credits(ses->server, 1); + add_credits(ses->server, credits, optype); return rc; } @@ -657,7 +662,7 @@ out: int SendReceive(const unsigned int xid, struct cifs_ses *ses, struct smb_hdr *in_buf, struct smb_hdr *out_buf, - int *pbytes_returned, const int long_op) + int *pbytes_returned, const int timeout) { int rc = 0; struct mid_q_entry *midQ; @@ -685,7 +690,7 @@ SendReceive(const unsigned int xid, struct cifs_ses *ses, return -EIO; } - rc = wait_for_free_request(ses->server, long_op); + rc = wait_for_free_request(ses->server, timeout, 0); if (rc) return rc; @@ -699,7 +704,7 @@ SendReceive(const unsigned int xid, struct cifs_ses *ses, if (rc) { mutex_unlock(&ses->server->srv_mutex); /* Update # of requests on wire to server */ - add_credits(ses->server, 1); + add_credits(ses->server, 1, 0); return rc; } @@ -720,7 +725,7 @@ SendReceive(const unsigned int xid, struct cifs_ses *ses, if (rc < 0) goto out; - if (long_op == CIFS_ASYNC_OP) + if (timeout == CIFS_ASYNC_OP) goto out; rc = wait_for_response(ses->server, midQ); @@ -731,7 +736,7 @@ SendReceive(const unsigned int xid, struct cifs_ses *ses, /* no longer considered to be "in-flight" */ midQ->callback = DeleteMidQEntry; spin_unlock(&GlobalMid_Lock); - add_credits(ses->server, 1); + add_credits(ses->server, 1, 0); return rc; } spin_unlock(&GlobalMid_Lock); @@ -739,7 +744,7 @@ SendReceive(const unsigned int xid, struct cifs_ses *ses, rc = cifs_sync_mid_result(midQ, ses->server); if (rc != 0) { - add_credits(ses->server, 1); + add_credits(ses->server, 1, 0); return rc; } @@ -755,7 +760,7 @@ SendReceive(const unsigned int xid, struct cifs_ses *ses, rc = cifs_check_receive(midQ, ses->server, 0); out: delete_mid(midQ); - add_credits(ses->server, 1); + add_credits(ses->server, 1, 0); return rc; } @@ -820,7 +825,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifs_tcon *tcon, return -EIO; } - rc = wait_for_free_request(ses->server, CIFS_BLOCKING_OP); + rc = wait_for_free_request(ses->server, CIFS_BLOCKING_OP, 0); if (rc) return rc; diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c index 10d92cf57ab6..5142f2c60278 100644 --- a/fs/cifs/xattr.c +++ b/fs/cifs/xattr.c @@ -39,7 +39,7 @@ int cifs_removexattr(struct dentry *direntry, const char *ea_name) { int rc = -EOPNOTSUPP; #ifdef CONFIG_CIFS_XATTR - int xid; + unsigned int xid; struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; struct cifs_tcon *pTcon; @@ -60,7 +60,7 @@ int cifs_removexattr(struct dentry *direntry, const char *ea_name) return PTR_ERR(tlink); pTcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); full_path = build_path_from_dentry(direntry); if (full_path == NULL) { @@ -88,7 +88,7 @@ int cifs_removexattr(struct dentry *direntry, const char *ea_name) } remove_ea_exit: kfree(full_path); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); #endif return rc; @@ -99,7 +99,7 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name, { int rc = -EOPNOTSUPP; #ifdef CONFIG_CIFS_XATTR - int xid; + unsigned int xid; struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; struct cifs_tcon *pTcon; @@ -120,7 +120,7 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name, return PTR_ERR(tlink); pTcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); full_path = build_path_from_dentry(direntry); if (full_path == NULL) { @@ -221,7 +221,7 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name, set_ea_exit: kfree(full_path); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); #endif return rc; @@ -232,7 +232,7 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name, { ssize_t rc = -EOPNOTSUPP; #ifdef CONFIG_CIFS_XATTR - int xid; + unsigned int xid; struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; struct cifs_tcon *pTcon; @@ -253,7 +253,7 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name, return PTR_ERR(tlink); pTcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); full_path = build_path_from_dentry(direntry); if (full_path == NULL) { @@ -355,7 +355,7 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name, get_ea_exit: kfree(full_path); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); #endif return rc; @@ -365,7 +365,7 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size) { ssize_t rc = -EOPNOTSUPP; #ifdef CONFIG_CIFS_XATTR - int xid; + unsigned int xid; struct cifs_sb_info *cifs_sb; struct tcon_link *tlink; struct cifs_tcon *pTcon; @@ -389,7 +389,7 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size) return PTR_ERR(tlink); pTcon = tlink_tcon(tlink); - xid = GetXid(); + xid = get_xid(); full_path = build_path_from_dentry(direntry); if (full_path == NULL) { @@ -409,7 +409,7 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size) list_ea_exit: kfree(full_path); - FreeXid(xid); + free_xid(xid); cifs_put_tlink(tlink); #endif return rc; diff --git a/fs/coda/cache.c b/fs/coda/cache.c index 690157876184..958ae0e0ff8c 100644 --- a/fs/coda/cache.c +++ b/fs/coda/cache.c @@ -89,17 +89,13 @@ int coda_cache_check(struct inode *inode, int mask) /* this won't do any harm: just flag all children */ static void coda_flag_children(struct dentry *parent, int flag) { - struct list_head *child; struct dentry *de; spin_lock(&parent->d_lock); - list_for_each(child, &parent->d_subdirs) - { - de = list_entry(child, struct dentry, d_u.d_child); + list_for_each_entry(de, &parent->d_subdirs, d_u.d_child) { /* don't know what to do with negative dentries */ - if ( ! de->d_inode ) - continue; - coda_flag_inode(de->d_inode, flag); + if (de->d_inode ) + coda_flag_inode(de->d_inode, flag); } spin_unlock(&parent->d_lock); return; diff --git a/fs/coda/dir.c b/fs/coda/dir.c index 177515829062..49fe52d25600 100644 --- a/fs/coda/dir.c +++ b/fs/coda/dir.c @@ -30,8 +30,8 @@ #include "coda_int.h" /* dir inode-ops */ -static int coda_create(struct inode *dir, struct dentry *new, umode_t mode, struct nameidata *nd); -static struct dentry *coda_lookup(struct inode *dir, struct dentry *target, struct nameidata *nd); +static int coda_create(struct inode *dir, struct dentry *new, umode_t mode, bool excl); +static struct dentry *coda_lookup(struct inode *dir, struct dentry *target, unsigned int flags); static int coda_link(struct dentry *old_dentry, struct inode *dir_inode, struct dentry *entry); static int coda_unlink(struct inode *dir_inode, struct dentry *entry); @@ -46,7 +46,7 @@ static int coda_rename(struct inode *old_inode, struct dentry *old_dentry, static int coda_readdir(struct file *file, void *buf, filldir_t filldir); /* dentry ops */ -static int coda_dentry_revalidate(struct dentry *de, struct nameidata *nd); +static int coda_dentry_revalidate(struct dentry *de, unsigned int flags); static int coda_dentry_delete(const struct dentry *); /* support routines */ @@ -94,7 +94,7 @@ const struct file_operations coda_dir_operations = { /* inode operations for directories */ /* access routines: lookup, readlink, permission */ -static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, struct nameidata *nd) +static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, unsigned int flags) { struct super_block *sb = dir->i_sb; const char *name = entry->d_name.name; @@ -188,7 +188,7 @@ static inline void coda_dir_drop_nlink(struct inode *dir) } /* creation routines: create, mknod, mkdir, link, symlink */ -static int coda_create(struct inode *dir, struct dentry *de, umode_t mode, struct nameidata *nd) +static int coda_create(struct inode *dir, struct dentry *de, umode_t mode, bool excl) { int error; const char *name=de->d_name.name; @@ -536,12 +536,12 @@ out: } /* called when a cache lookup succeeds */ -static int coda_dentry_revalidate(struct dentry *de, struct nameidata *nd) +static int coda_dentry_revalidate(struct dentry *de, unsigned int flags) { struct inode *inode; struct coda_inode_info *cii; - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; inode = de->d_inode; diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 7e6c52d8a207..7414ae24a79b 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -442,7 +442,7 @@ static int configfs_attach_attr(struct configfs_dirent * sd, struct dentry * den static struct dentry * configfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct configfs_dirent * parent_sd = dentry->d_parent->d_fsdata; struct configfs_dirent * sd; diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index d013c46402ed..28cca01ca9c9 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -417,7 +417,7 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir) /* * Lookup and fill in the inode data.. */ -static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { unsigned int offset = 0; struct inode *inode = NULL; diff --git a/fs/dcache.c b/fs/dcache.c index 85c9e2bff8e6..8086636bf796 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -218,7 +218,7 @@ static void __d_free(struct rcu_head *head) { struct dentry *dentry = container_of(head, struct dentry, d_u.d_rcu); - WARN_ON(!list_empty(&dentry->d_alias)); + WARN_ON(!hlist_unhashed(&dentry->d_alias)); if (dname_external(dentry)) kfree(dentry->d_name.name); kmem_cache_free(dentry_cache, dentry); @@ -267,7 +267,7 @@ static void dentry_iput(struct dentry * dentry) struct inode *inode = dentry->d_inode; if (inode) { dentry->d_inode = NULL; - list_del_init(&dentry->d_alias); + hlist_del_init(&dentry->d_alias); spin_unlock(&dentry->d_lock); spin_unlock(&inode->i_lock); if (!inode->i_nlink) @@ -291,7 +291,7 @@ static void dentry_unlink_inode(struct dentry * dentry) { struct inode *inode = dentry->d_inode; dentry->d_inode = NULL; - list_del_init(&dentry->d_alias); + hlist_del_init(&dentry->d_alias); dentry_rcuwalk_barrier(dentry); spin_unlock(&dentry->d_lock); spin_unlock(&inode->i_lock); @@ -683,6 +683,8 @@ EXPORT_SYMBOL(dget_parent); /** * d_find_alias - grab a hashed alias of inode * @inode: inode in question + * @want_discon: flag, used by d_splice_alias, to request + * that only a DISCONNECTED alias be returned. * * If inode has a hashed alias, or is a directory and has any alias, * acquire the reference to alias and return it. Otherwise return NULL. @@ -691,21 +693,23 @@ EXPORT_SYMBOL(dget_parent); * of a filesystem. * * If the inode has an IS_ROOT, DCACHE_DISCONNECTED alias, then prefer - * any other hashed alias over that. + * any other hashed alias over that one unless @want_discon is set, + * in which case only return an IS_ROOT, DCACHE_DISCONNECTED alias. */ -static struct dentry *__d_find_alias(struct inode *inode) +static struct dentry *__d_find_alias(struct inode *inode, int want_discon) { struct dentry *alias, *discon_alias; + struct hlist_node *p; again: discon_alias = NULL; - list_for_each_entry(alias, &inode->i_dentry, d_alias) { + hlist_for_each_entry(alias, p, &inode->i_dentry, d_alias) { spin_lock(&alias->d_lock); if (S_ISDIR(inode->i_mode) || !d_unhashed(alias)) { if (IS_ROOT(alias) && (alias->d_flags & DCACHE_DISCONNECTED)) { discon_alias = alias; - } else { + } else if (!want_discon) { __dget_dlock(alias); spin_unlock(&alias->d_lock); return alias; @@ -734,9 +738,9 @@ struct dentry *d_find_alias(struct inode *inode) { struct dentry *de = NULL; - if (!list_empty(&inode->i_dentry)) { + if (!hlist_empty(&inode->i_dentry)) { spin_lock(&inode->i_lock); - de = __d_find_alias(inode); + de = __d_find_alias(inode, 0); spin_unlock(&inode->i_lock); } return de; @@ -750,9 +754,10 @@ EXPORT_SYMBOL(d_find_alias); void d_prune_aliases(struct inode *inode) { struct dentry *dentry; + struct hlist_node *p; restart: spin_lock(&inode->i_lock); - list_for_each_entry(dentry, &inode->i_dentry, d_alias) { + hlist_for_each_entry(dentry, p, &inode->i_dentry, d_alias) { spin_lock(&dentry->d_lock); if (!dentry->d_count) { __dget_dlock(dentry); @@ -974,7 +979,7 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry) inode = dentry->d_inode; if (inode) { dentry->d_inode = NULL; - list_del_init(&dentry->d_alias); + hlist_del_init(&dentry->d_alias); if (dentry->d_op && dentry->d_op->d_iput) dentry->d_op->d_iput(dentry, inode); else @@ -1309,7 +1314,7 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name) INIT_HLIST_BL_NODE(&dentry->d_hash); INIT_LIST_HEAD(&dentry->d_lru); INIT_LIST_HEAD(&dentry->d_subdirs); - INIT_LIST_HEAD(&dentry->d_alias); + INIT_HLIST_NODE(&dentry->d_alias); INIT_LIST_HEAD(&dentry->d_u.d_child); d_set_d_op(dentry, dentry->d_sb->s_d_op); @@ -1397,7 +1402,7 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode) if (inode) { if (unlikely(IS_AUTOMOUNT(inode))) dentry->d_flags |= DCACHE_NEED_AUTOMOUNT; - list_add(&dentry->d_alias, &inode->i_dentry); + hlist_add_head(&dentry->d_alias, &inode->i_dentry); } dentry->d_inode = inode; dentry_rcuwalk_barrier(dentry); @@ -1422,7 +1427,7 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode) void d_instantiate(struct dentry *entry, struct inode * inode) { - BUG_ON(!list_empty(&entry->d_alias)); + BUG_ON(!hlist_unhashed(&entry->d_alias)); if (inode) spin_lock(&inode->i_lock); __d_instantiate(entry, inode); @@ -1455,13 +1460,14 @@ static struct dentry *__d_instantiate_unique(struct dentry *entry, int len = entry->d_name.len; const char *name = entry->d_name.name; unsigned int hash = entry->d_name.hash; + struct hlist_node *p; if (!inode) { __d_instantiate(entry, NULL); return NULL; } - list_for_each_entry(alias, &inode->i_dentry, d_alias) { + hlist_for_each_entry(alias, p, &inode->i_dentry, d_alias) { /* * Don't need alias->d_lock here, because aliases with * d_parent == entry->d_parent are not subject to name or @@ -1487,7 +1493,7 @@ struct dentry *d_instantiate_unique(struct dentry *entry, struct inode *inode) { struct dentry *result; - BUG_ON(!list_empty(&entry->d_alias)); + BUG_ON(!hlist_unhashed(&entry->d_alias)); if (inode) spin_lock(&inode->i_lock); @@ -1528,9 +1534,9 @@ static struct dentry * __d_find_any_alias(struct inode *inode) { struct dentry *alias; - if (list_empty(&inode->i_dentry)) + if (hlist_empty(&inode->i_dentry)) return NULL; - alias = list_first_entry(&inode->i_dentry, struct dentry, d_alias); + alias = hlist_entry(inode->i_dentry.first, struct dentry, d_alias); __dget(alias); return alias; } @@ -1604,7 +1610,7 @@ struct dentry *d_obtain_alias(struct inode *inode) spin_lock(&tmp->d_lock); tmp->d_inode = inode; tmp->d_flags |= DCACHE_DISCONNECTED; - list_add(&tmp->d_alias, &inode->i_dentry); + hlist_add_head(&tmp->d_alias, &inode->i_dentry); hlist_bl_lock(&tmp->d_sb->s_anon); hlist_bl_add_head(&tmp->d_hash, &tmp->d_sb->s_anon); hlist_bl_unlock(&tmp->d_sb->s_anon); @@ -1647,8 +1653,9 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry) if (inode && S_ISDIR(inode->i_mode)) { spin_lock(&inode->i_lock); - new = __d_find_any_alias(inode); + new = __d_find_alias(inode, 1); if (new) { + BUG_ON(!(new->d_flags & DCACHE_DISCONNECTED)); spin_unlock(&inode->i_lock); security_d_instantiate(new, inode); d_move(new, dentry); @@ -2380,14 +2387,13 @@ static struct dentry *__d_unalias(struct inode *inode, struct dentry *dentry, struct dentry *alias) { struct mutex *m1 = NULL, *m2 = NULL; - struct dentry *ret; + struct dentry *ret = ERR_PTR(-EBUSY); /* If alias and dentry share a parent, then no extra locks required */ if (alias->d_parent == dentry->d_parent) goto out_unalias; /* See lock_rename() */ - ret = ERR_PTR(-EBUSY); if (!mutex_trylock(&dentry->d_sb->s_vfs_rename_mutex)) goto out_err; m1 = &dentry->d_sb->s_vfs_rename_mutex; @@ -2395,8 +2401,10 @@ static struct dentry *__d_unalias(struct inode *inode, goto out_err; m2 = &alias->d_parent->d_inode->i_mutex; out_unalias: - __d_move(alias, dentry); - ret = alias; + if (likely(!d_mountpoint(alias))) { + __d_move(alias, dentry); + ret = alias; + } out_err: spin_unlock(&inode->i_lock); if (m2) @@ -2478,7 +2486,7 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode) struct dentry *alias; /* Does an aliased dentry already exist? */ - alias = __d_find_alias(inode); + alias = __d_find_alias(inode, 0); if (alias) { actual = alias; write_seqlock(&rename_lock); @@ -2618,7 +2626,7 @@ global_root: if (!slash) error = prepend(buffer, buflen, "/", 1); if (!error) - error = real_mount(vfsmnt)->mnt_ns ? 1 : 2; + error = is_mounted(vfsmnt) ? 1 : 2; goto out; } diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index b80bc846a15a..4733eab34a23 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -54,13 +54,12 @@ static struct inode *debugfs_get_inode(struct super_block *sb, umode_t mode, dev break; case S_IFLNK: inode->i_op = &debugfs_link_operations; - inode->i_fop = fops; inode->i_private = data; break; case S_IFDIR: inode->i_op = &simple_dir_inode_operations; - inode->i_fop = fops ? fops : &simple_dir_operations; - inode->i_private = data; + inode->i_fop = &simple_dir_operations; + inode->i_private = NULL; /* directory inodes start off with i_nlink == 2 * (for "." entry) */ @@ -91,13 +90,12 @@ static int debugfs_mknod(struct inode *dir, struct dentry *dentry, return error; } -static int debugfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode, - void *data, const struct file_operations *fops) +static int debugfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { int res; mode = (mode & (S_IRWXUGO | S_ISVTX)) | S_IFDIR; - res = debugfs_mknod(dir, dentry, mode, 0, data, fops); + res = debugfs_mknod(dir, dentry, mode, 0, NULL, NULL); if (!res) { inc_nlink(dir); fsnotify_mkdir(dir, dentry); @@ -106,10 +104,10 @@ static int debugfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode, } static int debugfs_link(struct inode *dir, struct dentry *dentry, umode_t mode, - void *data, const struct file_operations *fops) + void *data) { mode = (mode & S_IALLUGO) | S_IFLNK; - return debugfs_mknod(dir, dentry, mode, 0, data, fops); + return debugfs_mknod(dir, dentry, mode, 0, data, NULL); } static int debugfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, @@ -293,13 +291,19 @@ static struct file_system_type debug_fs_type = { .kill_sb = kill_litter_super, }; -static int debugfs_create_by_name(const char *name, umode_t mode, - struct dentry *parent, - struct dentry **dentry, - void *data, - const struct file_operations *fops) +struct dentry *__create_file(const char *name, umode_t mode, + struct dentry *parent, void *data, + const struct file_operations *fops) { - int error = 0; + struct dentry *dentry = NULL; + int error; + + pr_debug("debugfs: creating file '%s'\n",name); + + error = simple_pin_fs(&debug_fs_type, &debugfs_mount, + &debugfs_mount_count); + if (error) + goto exit; /* If the parent is not specified, we create it in the root. * We need the root dentry to do this, which is in the super @@ -309,30 +313,35 @@ static int debugfs_create_by_name(const char *name, umode_t mode, if (!parent) parent = debugfs_mount->mnt_root; - *dentry = NULL; + dentry = NULL; mutex_lock(&parent->d_inode->i_mutex); - *dentry = lookup_one_len(name, parent, strlen(name)); - if (!IS_ERR(*dentry)) { + dentry = lookup_one_len(name, parent, strlen(name)); + if (!IS_ERR(dentry)) { switch (mode & S_IFMT) { case S_IFDIR: - error = debugfs_mkdir(parent->d_inode, *dentry, mode, - data, fops); + error = debugfs_mkdir(parent->d_inode, dentry, mode); + break; case S_IFLNK: - error = debugfs_link(parent->d_inode, *dentry, mode, - data, fops); + error = debugfs_link(parent->d_inode, dentry, mode, + data); break; default: - error = debugfs_create(parent->d_inode, *dentry, mode, + error = debugfs_create(parent->d_inode, dentry, mode, data, fops); break; } - dput(*dentry); + dput(dentry); } else - error = PTR_ERR(*dentry); + error = PTR_ERR(dentry); mutex_unlock(&parent->d_inode->i_mutex); - return error; + if (error) { + dentry = NULL; + simple_release_fs(&debugfs_mount, &debugfs_mount_count); + } +exit: + return dentry; } /** @@ -365,25 +374,15 @@ struct dentry *debugfs_create_file(const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops) { - struct dentry *dentry = NULL; - int error; - - pr_debug("debugfs: creating file '%s'\n",name); - - error = simple_pin_fs(&debug_fs_type, &debugfs_mount, - &debugfs_mount_count); - if (error) - goto exit; - - error = debugfs_create_by_name(name, mode, parent, &dentry, - data, fops); - if (error) { - dentry = NULL; - simple_release_fs(&debugfs_mount, &debugfs_mount_count); - goto exit; + switch (mode & S_IFMT) { + case S_IFREG: + case 0: + break; + default: + BUG(); } -exit: - return dentry; + + return __create_file(name, mode, parent, data, fops); } EXPORT_SYMBOL_GPL(debugfs_create_file); @@ -407,8 +406,7 @@ EXPORT_SYMBOL_GPL(debugfs_create_file); */ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent) { - return debugfs_create_file(name, - S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO, + return __create_file(name, S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO, parent, NULL, NULL); } EXPORT_SYMBOL_GPL(debugfs_create_dir); @@ -446,8 +444,7 @@ struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent, if (!link) return NULL; - result = debugfs_create_file(name, S_IFLNK | S_IRWXUGO, parent, link, - NULL); + result = __create_file(name, S_IFLNK | S_IRWXUGO, parent, link, NULL); if (!result) kfree(link); return result; @@ -498,7 +495,7 @@ void debugfs_remove(struct dentry *dentry) struct dentry *parent; int ret; - if (!dentry) + if (IS_ERR_OR_NULL(dentry)) return; parent = dentry->d_parent; @@ -530,7 +527,7 @@ void debugfs_remove_recursive(struct dentry *dentry) struct dentry *child; struct dentry *parent; - if (!dentry) + if (IS_ERR_OR_NULL(dentry)) return; parent = dentry->d_parent; diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 979c1e309c73..14afbabe6546 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -439,15 +439,15 @@ static struct dentry *devpts_mount(struct file_system_type *fs_type, return ERR_PTR(error); if (opts.newinstance) - s = sget(fs_type, NULL, set_anon_super, NULL); + s = sget(fs_type, NULL, set_anon_super, flags, NULL); else - s = sget(fs_type, compare_init_pts_sb, set_anon_super, NULL); + s = sget(fs_type, compare_init_pts_sb, set_anon_super, flags, + NULL); if (IS_ERR(s)) return ERR_CAST(s); if (!s->s_root) { - s->s_flags = flags; error = devpts_fill_super(s, data, flags & MS_SILENT ? 1 : 0); if (error) goto out_undo_sget; diff --git a/fs/direct-io.c b/fs/direct-io.c index 0c85fae37666..1faf4cb56f39 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -1258,7 +1258,7 @@ do_blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, */ BUG_ON(retval == -EIOCBQUEUED); if (dio->is_async && retval == 0 && dio->result && - ((rw & READ) || (dio->result == sdio.size))) + ((rw == READ) || (dio->result == sdio.size))) retval = -EIOCBQUEUED; if (retval != -EIOCBQUEUED) diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c index 534c1d46e69e..1b5d9af937df 100644 --- a/fs/ecryptfs/dentry.c +++ b/fs/ecryptfs/dentry.c @@ -32,7 +32,7 @@ /** * ecryptfs_d_revalidate - revalidate an ecryptfs dentry * @dentry: The ecryptfs dentry - * @nd: The associated nameidata + * @flags: lookup flags * * Called when the VFS needs to revalidate a dentry. This * is called whenever a name lookup finds a dentry in the @@ -42,32 +42,20 @@ * Returns 1 if valid, 0 otherwise. * */ -static int ecryptfs_d_revalidate(struct dentry *dentry, struct nameidata *nd) +static int ecryptfs_d_revalidate(struct dentry *dentry, unsigned int flags) { struct dentry *lower_dentry; struct vfsmount *lower_mnt; - struct dentry *dentry_save = NULL; - struct vfsmount *vfsmount_save = NULL; int rc = 1; - if (nd && nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; lower_dentry = ecryptfs_dentry_to_lower(dentry); lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry); if (!lower_dentry->d_op || !lower_dentry->d_op->d_revalidate) goto out; - if (nd) { - dentry_save = nd->path.dentry; - vfsmount_save = nd->path.mnt; - nd->path.dentry = lower_dentry; - nd->path.mnt = lower_mnt; - } - rc = lower_dentry->d_op->d_revalidate(lower_dentry, nd); - if (nd) { - nd->path.dentry = dentry_save; - nd->path.mnt = vfsmount_save; - } + rc = lower_dentry->d_op->d_revalidate(lower_dentry, flags); if (dentry->d_inode) { struct inode *lower_inode = ecryptfs_inode_to_lower(dentry->d_inode); diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 867b64c5d84f..989e034f02bd 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -550,20 +550,6 @@ extern struct kmem_cache *ecryptfs_key_record_cache; extern struct kmem_cache *ecryptfs_key_sig_cache; extern struct kmem_cache *ecryptfs_global_auth_tok_cache; extern struct kmem_cache *ecryptfs_key_tfm_cache; -extern struct kmem_cache *ecryptfs_open_req_cache; - -struct ecryptfs_open_req { -#define ECRYPTFS_REQ_PROCESSED 0x00000001 -#define ECRYPTFS_REQ_DROPPED 0x00000002 -#define ECRYPTFS_REQ_ZOMBIE 0x00000004 - u32 flags; - struct file **lower_file; - struct dentry *lower_dentry; - struct vfsmount *lower_mnt; - wait_queue_head_t wait; - struct mutex mux; - struct list_head kthread_ctl_list; -}; struct inode *ecryptfs_get_inode(struct inode *lower_inode, struct super_block *sb); diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index a07441a0a878..ffa2be57804d 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -173,7 +173,7 @@ ecryptfs_do_create(struct inode *directory_inode, inode = ERR_CAST(lower_dir_dentry); goto out; } - rc = vfs_create(lower_dir_dentry->d_inode, lower_dentry, mode, NULL); + rc = vfs_create(lower_dir_dentry->d_inode, lower_dentry, mode, true); if (rc) { printk(KERN_ERR "%s: Failure to create dentry in lower fs; " "rc = [%d]\n", __func__, rc); @@ -240,7 +240,6 @@ out: * @dir: The inode of the directory in which to create the file. * @dentry: The eCryptfs dentry * @mode: The mode of the new file. - * @nd: nameidata * * Creates a new file. * @@ -248,7 +247,7 @@ out: */ static int ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry, - umode_t mode, struct nameidata *nd) + umode_t mode, bool excl) { struct inode *ecryptfs_inode; int rc; @@ -270,8 +269,8 @@ ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry, iput(ecryptfs_inode); goto out; } - d_instantiate(ecryptfs_dentry, ecryptfs_inode); unlock_new_inode(ecryptfs_inode); + d_instantiate(ecryptfs_dentry, ecryptfs_inode); out: return rc; } @@ -374,7 +373,7 @@ static int ecryptfs_lookup_interpose(struct dentry *dentry, */ static struct dentry *ecryptfs_lookup(struct inode *ecryptfs_dir_inode, struct dentry *ecryptfs_dentry, - struct nameidata *ecryptfs_nd) + unsigned int flags) { char *encrypted_and_encoded_name = NULL; size_t encrypted_and_encoded_name_size; diff --git a/fs/ecryptfs/kthread.c b/fs/ecryptfs/kthread.c index 69f994a7d524..809e67d05ca3 100644 --- a/fs/ecryptfs/kthread.c +++ b/fs/ecryptfs/kthread.c @@ -27,7 +27,12 @@ #include <linux/mount.h> #include "ecryptfs_kernel.h" -struct kmem_cache *ecryptfs_open_req_cache; +struct ecryptfs_open_req { + struct file **lower_file; + struct path path; + struct completion done; + struct list_head kthread_ctl_list; +}; static struct ecryptfs_kthread_ctl { #define ECRYPTFS_KTHREAD_ZOMBIE 0x00000001 @@ -67,18 +72,10 @@ static int ecryptfs_threadfn(void *ignored) req = list_first_entry(&ecryptfs_kthread_ctl.req_list, struct ecryptfs_open_req, kthread_ctl_list); - mutex_lock(&req->mux); list_del(&req->kthread_ctl_list); - if (!(req->flags & ECRYPTFS_REQ_ZOMBIE)) { - dget(req->lower_dentry); - mntget(req->lower_mnt); - (*req->lower_file) = dentry_open( - req->lower_dentry, req->lower_mnt, - (O_RDWR | O_LARGEFILE), current_cred()); - req->flags |= ECRYPTFS_REQ_PROCESSED; - } - wake_up(&req->wait); - mutex_unlock(&req->mux); + *req->lower_file = dentry_open(&req->path, + (O_RDWR | O_LARGEFILE), current_cred()); + complete(&req->done); } mutex_unlock(&ecryptfs_kthread_ctl.mux); } @@ -111,10 +108,9 @@ void ecryptfs_destroy_kthread(void) ecryptfs_kthread_ctl.flags |= ECRYPTFS_KTHREAD_ZOMBIE; list_for_each_entry(req, &ecryptfs_kthread_ctl.req_list, kthread_ctl_list) { - mutex_lock(&req->mux); - req->flags |= ECRYPTFS_REQ_ZOMBIE; - wake_up(&req->wait); - mutex_unlock(&req->mux); + list_del(&req->kthread_ctl_list); + *req->lower_file = ERR_PTR(-EIO); + complete(&req->done); } mutex_unlock(&ecryptfs_kthread_ctl.mux); kthread_stop(ecryptfs_kthread); @@ -136,34 +132,26 @@ int ecryptfs_privileged_open(struct file **lower_file, struct vfsmount *lower_mnt, const struct cred *cred) { - struct ecryptfs_open_req *req; + struct ecryptfs_open_req req; int flags = O_LARGEFILE; int rc = 0; + init_completion(&req.done); + req.lower_file = lower_file; + req.path.dentry = lower_dentry; + req.path.mnt = lower_mnt; + /* Corresponding dput() and mntput() are done when the * lower file is fput() when all eCryptfs files for the inode are * released. */ - dget(lower_dentry); - mntget(lower_mnt); flags |= IS_RDONLY(lower_dentry->d_inode) ? O_RDONLY : O_RDWR; - (*lower_file) = dentry_open(lower_dentry, lower_mnt, flags, cred); + (*lower_file) = dentry_open(&req.path, flags, cred); if (!IS_ERR(*lower_file)) goto out; - if (flags & O_RDONLY) { + if ((flags & O_ACCMODE) == O_RDONLY) { rc = PTR_ERR((*lower_file)); goto out; } - req = kmem_cache_alloc(ecryptfs_open_req_cache, GFP_KERNEL); - if (!req) { - rc = -ENOMEM; - goto out; - } - mutex_init(&req->mux); - req->lower_file = lower_file; - req->lower_dentry = lower_dentry; - req->lower_mnt = lower_mnt; - init_waitqueue_head(&req->wait); - req->flags = 0; mutex_lock(&ecryptfs_kthread_ctl.mux); if (ecryptfs_kthread_ctl.flags & ECRYPTFS_KTHREAD_ZOMBIE) { rc = -EIO; @@ -171,27 +159,14 @@ int ecryptfs_privileged_open(struct file **lower_file, printk(KERN_ERR "%s: We are in the middle of shutting down; " "aborting privileged request to open lower file\n", __func__); - goto out_free; + goto out; } - list_add_tail(&req->kthread_ctl_list, &ecryptfs_kthread_ctl.req_list); + list_add_tail(&req.kthread_ctl_list, &ecryptfs_kthread_ctl.req_list); mutex_unlock(&ecryptfs_kthread_ctl.mux); wake_up(&ecryptfs_kthread_ctl.wait); - wait_event(req->wait, (req->flags != 0)); - mutex_lock(&req->mux); - BUG_ON(req->flags == 0); - if (req->flags & ECRYPTFS_REQ_DROPPED - || req->flags & ECRYPTFS_REQ_ZOMBIE) { - rc = -EIO; - printk(KERN_WARNING "%s: Privileged open request dropped\n", - __func__); - goto out_unlock; - } - if (IS_ERR(*req->lower_file)) - rc = PTR_ERR(*req->lower_file); -out_unlock: - mutex_unlock(&req->mux); -out_free: - kmem_cache_free(ecryptfs_open_req_cache, req); + wait_for_completion(&req.done); + if (IS_ERR(*lower_file)) + rc = PTR_ERR(*lower_file); out: return rc; } diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 68954937a071..1c0b3b6b75c6 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -499,13 +499,12 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags goto out; } - s = sget(fs_type, NULL, set_anon_super, NULL); + s = sget(fs_type, NULL, set_anon_super, flags, NULL); if (IS_ERR(s)) { rc = PTR_ERR(s); goto out; } - s->s_flags = flags; rc = bdi_setup_and_register(&sbi->bdi, "ecryptfs", BDI_CAP_MAP_COPY); if (rc) goto out1; @@ -682,11 +681,6 @@ static struct ecryptfs_cache_info { .name = "ecryptfs_key_tfm_cache", .size = sizeof(struct ecryptfs_key_tfm), }, - { - .cache = &ecryptfs_open_req_cache, - .name = "ecryptfs_open_req_cache", - .size = sizeof(struct ecryptfs_open_req), - }, }; static void ecryptfs_free_kmem_caches(void) diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c index 3a06f4043df4..c0038f6566d4 100644 --- a/fs/ecryptfs/miscdev.c +++ b/fs/ecryptfs/miscdev.c @@ -49,7 +49,10 @@ ecryptfs_miscdev_poll(struct file *file, poll_table *pt) mutex_lock(&ecryptfs_daemon_hash_mux); /* TODO: Just use file->private_data? */ rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns()); - BUG_ON(rc || !daemon); + if (rc || !daemon) { + mutex_unlock(&ecryptfs_daemon_hash_mux); + return -EINVAL; + } mutex_lock(&daemon->mux); mutex_unlock(&ecryptfs_daemon_hash_mux); if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) { @@ -122,6 +125,7 @@ ecryptfs_miscdev_open(struct inode *inode, struct file *file) goto out_unlock_daemon; } daemon->flags |= ECRYPTFS_DAEMON_MISCDEV_OPEN; + file->private_data = daemon; atomic_inc(&ecryptfs_num_miscdev_opens); out_unlock_daemon: mutex_unlock(&daemon->mux); @@ -152,9 +156,9 @@ ecryptfs_miscdev_release(struct inode *inode, struct file *file) mutex_lock(&ecryptfs_daemon_hash_mux); rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns()); - BUG_ON(rc || !daemon); + if (rc || !daemon) + daemon = file->private_data; mutex_lock(&daemon->mux); - BUG_ON(daemon->pid != task_pid(current)); BUG_ON(!(daemon->flags & ECRYPTFS_DAEMON_MISCDEV_OPEN)); daemon->flags &= ~ECRYPTFS_DAEMON_MISCDEV_OPEN; atomic_dec(&ecryptfs_num_miscdev_opens); @@ -191,31 +195,32 @@ int ecryptfs_send_miscdev(char *data, size_t data_size, struct ecryptfs_msg_ctx *msg_ctx, u8 msg_type, u16 msg_flags, struct ecryptfs_daemon *daemon) { - int rc = 0; + struct ecryptfs_message *msg; - mutex_lock(&msg_ctx->mux); - msg_ctx->msg = kmalloc((sizeof(*msg_ctx->msg) + data_size), - GFP_KERNEL); - if (!msg_ctx->msg) { - rc = -ENOMEM; + msg = kmalloc((sizeof(*msg) + data_size), GFP_KERNEL); + if (!msg) { printk(KERN_ERR "%s: Out of memory whilst attempting " "to kmalloc(%zd, GFP_KERNEL)\n", __func__, - (sizeof(*msg_ctx->msg) + data_size)); - goto out_unlock; + (sizeof(*msg) + data_size)); + return -ENOMEM; } + + mutex_lock(&msg_ctx->mux); + msg_ctx->msg = msg; msg_ctx->msg->index = msg_ctx->index; msg_ctx->msg->data_len = data_size; msg_ctx->type = msg_type; memcpy(msg_ctx->msg->data, data, data_size); msg_ctx->msg_size = (sizeof(*msg_ctx->msg) + data_size); - mutex_lock(&daemon->mux); list_add_tail(&msg_ctx->daemon_out_list, &daemon->msg_ctx_out_queue); + mutex_unlock(&msg_ctx->mux); + + mutex_lock(&daemon->mux); daemon->num_queued_msg_ctx++; wake_up_interruptible(&daemon->wait); mutex_unlock(&daemon->mux); -out_unlock: - mutex_unlock(&msg_ctx->mux); - return rc; + + return 0; } /* @@ -269,8 +274,16 @@ ecryptfs_miscdev_read(struct file *file, char __user *buf, size_t count, mutex_lock(&ecryptfs_daemon_hash_mux); /* TODO: Just use file->private_data? */ rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns()); - BUG_ON(rc || !daemon); + if (rc || !daemon) { + mutex_unlock(&ecryptfs_daemon_hash_mux); + return -EINVAL; + } mutex_lock(&daemon->mux); + if (task_pid(current) != daemon->pid) { + mutex_unlock(&daemon->mux); + mutex_unlock(&ecryptfs_daemon_hash_mux); + return -EPERM; + } if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) { rc = 0; mutex_unlock(&ecryptfs_daemon_hash_mux); @@ -307,9 +320,6 @@ check_list: * message from the queue; try again */ goto check_list; } - BUG_ON(euid != daemon->euid); - BUG_ON(current_user_ns() != daemon->user_ns); - BUG_ON(task_pid(current) != daemon->pid); msg_ctx = list_first_entry(&daemon->msg_ctx_out_queue, struct ecryptfs_msg_ctx, daemon_out_list); BUG_ON(!msg_ctx); diff --git a/fs/efs/efs.h b/fs/efs/efs.h index d8305b582ab0..5528926ac7f6 100644 --- a/fs/efs/efs.h +++ b/fs/efs/efs.h @@ -129,7 +129,7 @@ extern struct inode *efs_iget(struct super_block *, unsigned long); extern efs_block_t efs_map_block(struct inode *, efs_block_t); extern int efs_get_block(struct inode *, sector_t, struct buffer_head *, int); -extern struct dentry *efs_lookup(struct inode *, struct dentry *, struct nameidata *); +extern struct dentry *efs_lookup(struct inode *, struct dentry *, unsigned int); extern struct dentry *efs_fh_to_dentry(struct super_block *sb, struct fid *fid, int fh_len, int fh_type); extern struct dentry *efs_fh_to_parent(struct super_block *sb, struct fid *fid, diff --git a/fs/efs/namei.c b/fs/efs/namei.c index 832b10ded82f..96f66d213a19 100644 --- a/fs/efs/namei.c +++ b/fs/efs/namei.c @@ -58,7 +58,8 @@ static efs_ino_t efs_find_entry(struct inode *inode, const char *name, int len) return(0); } -struct dentry *efs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) { +struct dentry *efs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) +{ efs_ino_t inodenum; struct inode *inode = NULL; diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 74598f67efeb..1c8b55670804 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1710,7 +1710,7 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, goto error_tgt_fput; /* Check if EPOLLWAKEUP is allowed */ - if ((epds.events & EPOLLWAKEUP) && !capable(CAP_EPOLLWAKEUP)) + if ((epds.events & EPOLLWAKEUP) && !capable(CAP_BLOCK_SUSPEND)) epds.events &= ~EPOLLWAKEUP; /* diff --git a/fs/exec.c b/fs/exec.c index a79786a8d2c8..e95aeeddd25c 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -819,10 +819,10 @@ static int exec_mmap(struct mm_struct *mm) /* Notify parent that we're no longer interested in the old VM */ tsk = current; old_mm = current->mm; - sync_mm_rss(old_mm); mm_release(tsk, old_mm); if (old_mm) { + sync_mm_rss(old_mm); /* * Make sure that if there is a core dump in progress * for the old mm, we get out and die instead of going @@ -1020,7 +1020,7 @@ static void flush_old_files(struct files_struct * files) unsigned long set, i; j++; - i = j * __NFDBITS; + i = j * BITS_PER_LONG; fdt = files_fdtable(files); if (i >= fdt->max_fds) break; diff --git a/fs/exofs/namei.c b/fs/exofs/namei.c index fc7161d6bf6b..4731fd991efe 100644 --- a/fs/exofs/namei.c +++ b/fs/exofs/namei.c @@ -46,7 +46,7 @@ static inline int exofs_add_nondir(struct dentry *dentry, struct inode *inode) } static struct dentry *exofs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct inode *inode; ino_t ino; @@ -60,7 +60,7 @@ static struct dentry *exofs_lookup(struct inode *dir, struct dentry *dentry, } static int exofs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct inode *inode = exofs_new_inode(dir, mode); int err = PTR_ERR(inode); diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index 49cf230554a2..24a49d47e935 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -735,13 +735,7 @@ static int _prepare_for_striping(struct ore_io_state *ios) out: ios->numdevs = devs_in_group; ios->pages_consumed = cur_pg; - if (unlikely(ret)) { - if (length == ios->length) - return ret; - else - ios->length -= length; - } - return 0; + return ret; } int ore_create(struct ore_io_state *ios) diff --git a/fs/exofs/ore_raid.c b/fs/exofs/ore_raid.c index d222c77cfa1b..5f376d14fdcc 100644 --- a/fs/exofs/ore_raid.c +++ b/fs/exofs/ore_raid.c @@ -144,26 +144,26 @@ static void _sp2d_reset(struct __stripe_pages_2d *sp2d, { unsigned data_devs = sp2d->data_devs; unsigned group_width = data_devs + sp2d->parity; - unsigned p; + int p, c; if (!sp2d->needed) return; - for (p = 0; p < sp2d->pages_in_unit; p++) { - struct __1_page_stripe *_1ps = &sp2d->_1p_stripes[p]; - - if (_1ps->write_count < group_width) { - unsigned c; + for (c = data_devs - 1; c >= 0; --c) + for (p = sp2d->pages_in_unit - 1; p >= 0; --p) { + struct __1_page_stripe *_1ps = &sp2d->_1p_stripes[p]; - for (c = 0; c < data_devs; c++) - if (_1ps->page_is_read[c]) { - struct page *page = _1ps->pages[c]; + if (_1ps->page_is_read[c]) { + struct page *page = _1ps->pages[c]; - r4w->put_page(priv, page); - _1ps->page_is_read[c] = false; - } + r4w->put_page(priv, page); + _1ps->page_is_read[c] = false; + } } + for (p = 0; p < sp2d->pages_in_unit; p++) { + struct __1_page_stripe *_1ps = &sp2d->_1p_stripes[p]; + memset(_1ps->pages, 0, group_width * sizeof(*_1ps->pages)); _1ps->write_count = 0; _1ps->tx = NULL; @@ -461,16 +461,12 @@ static void _mark_read4write_pages_uptodate(struct ore_io_state *ios, int ret) * ios->sp2d[p][*], xor is calculated the same way. These pages are * allocated/freed and don't go through cache */ -static int _read_4_write(struct ore_io_state *ios) +static int _read_4_write_first_stripe(struct ore_io_state *ios) { - struct ore_io_state *ios_read; struct ore_striping_info read_si; struct __stripe_pages_2d *sp2d = ios->sp2d; u64 offset = ios->si.first_stripe_start; - u64 last_stripe_end; - unsigned bytes_in_stripe = ios->si.bytes_in_stripe; - unsigned i, c, p, min_p = sp2d->pages_in_unit, max_p = -1; - int ret; + unsigned c, p, min_p = sp2d->pages_in_unit, max_p = -1; if (offset == ios->offset) /* Go to start collect $200 */ goto read_last_stripe; @@ -478,6 +474,9 @@ static int _read_4_write(struct ore_io_state *ios) min_p = _sp2d_min_pg(sp2d); max_p = _sp2d_max_pg(sp2d); + ORE_DBGMSG("stripe_start=0x%llx ios->offset=0x%llx min_p=%d max_p=%d\n", + offset, ios->offset, min_p, max_p); + for (c = 0; ; c++) { ore_calc_stripe_info(ios->layout, offset, 0, &read_si); read_si.obj_offset += min_p * PAGE_SIZE; @@ -512,6 +511,18 @@ static int _read_4_write(struct ore_io_state *ios) } read_last_stripe: + return 0; +} + +static int _read_4_write_last_stripe(struct ore_io_state *ios) +{ + struct ore_striping_info read_si; + struct __stripe_pages_2d *sp2d = ios->sp2d; + u64 offset; + u64 last_stripe_end; + unsigned bytes_in_stripe = ios->si.bytes_in_stripe; + unsigned c, p, min_p = sp2d->pages_in_unit, max_p = -1; + offset = ios->offset + ios->length; if (offset % PAGE_SIZE) _add_to_r4w_last_page(ios, &offset); @@ -527,15 +538,15 @@ read_last_stripe: c = _dev_order(ios->layout->group_width * ios->layout->mirrors_p1, ios->layout->mirrors_p1, read_si.par_dev, read_si.dev); - BUG_ON(ios->si.first_stripe_start + bytes_in_stripe != last_stripe_end); - /* unaligned IO must be within a single stripe */ - if (min_p == sp2d->pages_in_unit) { /* Didn't do it yet */ min_p = _sp2d_min_pg(sp2d); max_p = _sp2d_max_pg(sp2d); } + ORE_DBGMSG("offset=0x%llx stripe_end=0x%llx min_p=%d max_p=%d\n", + offset, last_stripe_end, min_p, max_p); + while (offset < last_stripe_end) { struct __1_page_stripe *_1ps = &sp2d->_1p_stripes[p]; @@ -568,6 +579,15 @@ read_last_stripe: } read_it: + return 0; +} + +static int _read_4_write_execute(struct ore_io_state *ios) +{ + struct ore_io_state *ios_read; + unsigned i; + int ret; + ios_read = ios->ios_read_4_write; if (!ios_read) return 0; @@ -591,6 +611,8 @@ read_it: } _mark_read4write_pages_uptodate(ios_read, ret); + ore_put_io_state(ios_read); + ios->ios_read_4_write = NULL; /* Might need a reuse at last stripe */ return 0; } @@ -626,8 +648,11 @@ int _ore_add_parity_unit(struct ore_io_state *ios, /* If first stripe, Read in all read4write pages * (if needed) before we calculate the first parity. */ - _read_4_write(ios); + _read_4_write_first_stripe(ios); } + if (!cur_len) /* If last stripe r4w pages of last stripe */ + _read_4_write_last_stripe(ios); + _read_4_write_execute(ios); for (i = 0; i < num_pages; i++) { pages[i] = _raid_page_alloc(); @@ -654,34 +679,14 @@ int _ore_add_parity_unit(struct ore_io_state *ios, int _ore_post_alloc_raid_stuff(struct ore_io_state *ios) { - struct ore_layout *layout = ios->layout; - if (ios->parity_pages) { + struct ore_layout *layout = ios->layout; unsigned pages_in_unit = layout->stripe_unit / PAGE_SIZE; - unsigned stripe_size = ios->si.bytes_in_stripe; - u64 last_stripe, first_stripe; if (_sp2d_alloc(pages_in_unit, layout->group_width, layout->parity, &ios->sp2d)) { return -ENOMEM; } - - /* Round io down to last full strip */ - first_stripe = div_u64(ios->offset, stripe_size); - last_stripe = div_u64(ios->offset + ios->length, stripe_size); - - /* If an IO spans more then a single stripe it must end at - * a stripe boundary. The reminder at the end is pushed into the - * next IO. - */ - if (last_stripe != first_stripe) { - ios->length = last_stripe * stripe_size - ios->offset; - - BUG_ON(!ios->length); - ios->nr_pages = (ios->length + PAGE_SIZE - 1) / - PAGE_SIZE; - ios->si.length = ios->length; /*make it consistent */ - } } return 0; } diff --git a/fs/exofs/sys.c b/fs/exofs/sys.c index e32bc919e4e3..5a7b691e748b 100644 --- a/fs/exofs/sys.c +++ b/fs/exofs/sys.c @@ -109,7 +109,7 @@ static struct kobj_type odev_ktype = { static struct kobj_type uuid_ktype = { }; -void exofs_sysfs_dbg_print() +void exofs_sysfs_dbg_print(void) { #ifdef CONFIG_EXOFS_DEBUG struct kobject *k_name, *k_tmp; diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c index b0201ca6e9c6..29ab099e3e08 100644 --- a/fs/exportfs/expfs.c +++ b/fs/exportfs/expfs.c @@ -19,19 +19,19 @@ #define dprintk(fmt, args...) do{}while(0) -static int get_name(struct vfsmount *mnt, struct dentry *dentry, char *name, - struct dentry *child); +static int get_name(const struct path *path, char *name, struct dentry *child); static int exportfs_get_name(struct vfsmount *mnt, struct dentry *dir, char *name, struct dentry *child) { const struct export_operations *nop = dir->d_sb->s_export_op; + struct path path = {.mnt = mnt, .dentry = dir}; if (nop->get_name) return nop->get_name(dir, name, child); else - return get_name(mnt, dir, name, child); + return get_name(&path, name, child); } /* @@ -44,13 +44,14 @@ find_acceptable_alias(struct dentry *result, { struct dentry *dentry, *toput = NULL; struct inode *inode; + struct hlist_node *p; if (acceptable(context, result)) return result; inode = result->d_inode; spin_lock(&inode->i_lock); - list_for_each_entry(dentry, &inode->i_dentry, d_alias) { + hlist_for_each_entry(dentry, p, &inode->i_dentry, d_alias) { dget(dentry); spin_unlock(&inode->i_lock); if (toput) @@ -248,11 +249,10 @@ static int filldir_one(void * __buf, const char * name, int len, * calls readdir on the parent until it finds an entry with * the same inode number as the child, and returns that. */ -static int get_name(struct vfsmount *mnt, struct dentry *dentry, - char *name, struct dentry *child) +static int get_name(const struct path *path, char *name, struct dentry *child) { const struct cred *cred = current_cred(); - struct inode *dir = dentry->d_inode; + struct inode *dir = path->dentry->d_inode; int error; struct file *file; struct getdents_callback buffer; @@ -266,7 +266,7 @@ static int get_name(struct vfsmount *mnt, struct dentry *dentry, /* * Open the directory ... */ - file = dentry_open(dget(dentry), mntget(mnt), O_RDONLY, cred); + file = dentry_open(path, O_RDONLY, cred); error = PTR_ERR(file); if (IS_ERR(file)) goto out; diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index f663a67d7bf0..73b0d9519836 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -41,8 +41,8 @@ static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode) { int err = ext2_add_link(dentry, inode); if (!err) { - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); return 0; } inode_dec_link_count(inode); @@ -55,7 +55,7 @@ static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode) * Methods themselves. */ -static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd) +static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, unsigned int flags) { struct inode * inode; ino_t ino; @@ -94,7 +94,7 @@ struct dentry *ext2_get_parent(struct dentry *child) * If the create succeeds, we fill in the inode information * with d_instantiate(). */ -static int ext2_create (struct inode * dir, struct dentry * dentry, umode_t mode, struct nameidata *nd) +static int ext2_create (struct inode * dir, struct dentry * dentry, umode_t mode, bool excl) { struct inode *inode; @@ -242,8 +242,8 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode) if (err) goto out_fail; - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); out: return err; diff --git a/fs/ext2/super.c b/fs/ext2/super.c index b3621cb7ea31..9f311d27b16f 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -771,13 +771,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) err = -ENOMEM; sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) - goto failed_unlock; + goto failed; sbi->s_blockgroup_lock = kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL); if (!sbi->s_blockgroup_lock) { kfree(sbi); - goto failed_unlock; + goto failed; } sb->s_fs_info = sbi; sbi->s_sb_block = sb_block; @@ -1130,7 +1130,7 @@ failed_sbi: sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); -failed_unlock: +failed: return ret; } @@ -1184,6 +1184,12 @@ static int ext2_sync_fs(struct super_block *sb, int wait) struct ext2_sb_info *sbi = EXT2_SB(sb); struct ext2_super_block *es = EXT2_SB(sb)->s_es; + /* + * Write quota structures to quota file, sync_blockdev() will write + * them to disk later + */ + dquot_writeback_dquots(sb, -1); + spin_lock(&sbi->s_lock); if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) { ext2_debug("setting valid to 0\n"); diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c index 92490e9f85ca..c8fff930790d 100644 --- a/fs/ext3/dir.c +++ b/fs/ext3/dir.c @@ -300,10 +300,11 @@ loff_t ext3_dir_llseek(struct file *file, loff_t offset, int origin) { struct inode *inode = file->f_mapping->host; int dx_dir = is_dx_dir(inode); + loff_t htree_max = ext3_get_htree_eof(file); if (likely(dx_dir)) return generic_file_llseek_size(file, offset, origin, - ext3_get_htree_eof(file)); + htree_max, htree_max); else return generic_file_llseek(file, offset, origin); } diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c index d4dff278cbd8..b31dbd4c46ad 100644 --- a/fs/ext3/fsync.c +++ b/fs/ext3/fsync.c @@ -92,8 +92,13 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync) * disk caches manually so that data really is on persistent * storage */ - if (needs_barrier) - blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL); + if (needs_barrier) { + int err; + + err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL); + if (!ret) + ret = err; + } out: trace_ext3_sync_file_exit(inode, ret); return ret; diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index eeb63dfc5d20..8f4fddac01a6 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -1011,7 +1011,7 @@ errout: return NULL; } -static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd) +static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, unsigned int flags) { struct inode * inode; struct ext3_dir_entry_2 * de; @@ -1671,8 +1671,8 @@ static int ext3_add_nondir(handle_t *handle, int err = ext3_add_entry(handle, dentry, inode); if (!err) { ext3_mark_inode_dirty(handle, inode); - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); return 0; } drop_nlink(inode); @@ -1690,7 +1690,7 @@ static int ext3_add_nondir(handle_t *handle, * with d_instantiate(). */ static int ext3_create (struct inode * dir, struct dentry * dentry, umode_t mode, - struct nameidata *nd) + bool excl) { handle_t *handle; struct inode * inode; @@ -1836,8 +1836,8 @@ out_clear_inode: if (err) goto out_clear_inode; - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); out_stop: brelse(dir_block); ext3_journal_stop(handle); diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 8c3a44b7c375..ff9bcdc5b0d5 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -2058,7 +2058,8 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) goto failed_mount3; } - ext3_setup_super (sb, es, sb->s_flags & MS_RDONLY); + if (ext3_setup_super(sb, es, sb->s_flags & MS_RDONLY)) + sb->s_flags |= MS_RDONLY; EXT3_SB(sb)->s_mount_state |= EXT3_ORPHAN_FS; ext3_orphan_cleanup(sb, es); @@ -2526,6 +2527,11 @@ static int ext3_sync_fs(struct super_block *sb, int wait) tid_t target; trace_ext3_sync_fs(sb, wait); + /* + * Writeback quota in non-journalled quota case - journalled quota has + * no dirty dquots + */ + dquot_writeback_dquots(sb, -1); if (journal_start_commit(EXT3_SB(sb)->s_journal, &target)) { if (wait) log_wait_commit(EXT3_SB(sb)->s_journal, target); diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 99b6324290db..cee7812cc3cf 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -90,8 +90,8 @@ unsigned ext4_num_overhead_clusters(struct super_block *sb, * unusual file system layouts. */ if (ext4_block_in_group(sb, ext4_block_bitmap(sb, gdp), block_group)) { - block_cluster = EXT4_B2C(sbi, (start - - ext4_block_bitmap(sb, gdp))); + block_cluster = EXT4_B2C(sbi, + ext4_block_bitmap(sb, gdp) - start); if (block_cluster < num_clusters) block_cluster = -1; else if (block_cluster == num_clusters) { @@ -102,7 +102,7 @@ unsigned ext4_num_overhead_clusters(struct super_block *sb, if (ext4_block_in_group(sb, ext4_inode_bitmap(sb, gdp), block_group)) { inode_cluster = EXT4_B2C(sbi, - start - ext4_inode_bitmap(sb, gdp)); + ext4_inode_bitmap(sb, gdp) - start); if (inode_cluster < num_clusters) inode_cluster = -1; else if (inode_cluster == num_clusters) { @@ -114,7 +114,7 @@ unsigned ext4_num_overhead_clusters(struct super_block *sb, itbl_blk = ext4_inode_table(sb, gdp); for (i = 0; i < sbi->s_itb_per_group; i++) { if (ext4_block_in_group(sb, itbl_blk + i, block_group)) { - c = EXT4_B2C(sbi, start - itbl_blk + i); + c = EXT4_B2C(sbi, itbl_blk + i - start); if ((c < num_clusters) || (c == inode_cluster) || (c == block_cluster) || (c == itbl_cluster)) continue; diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index aa39e600d159..8e07d2a5a139 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -324,74 +324,27 @@ static inline loff_t ext4_get_htree_eof(struct file *filp) /* - * ext4_dir_llseek() based on generic_file_llseek() to handle both - * non-htree and htree directories, where the "offset" is in terms - * of the filename hash value instead of the byte offset. + * ext4_dir_llseek() calls generic_file_llseek_size to handle htree + * directories, where the "offset" is in terms of the filename hash + * value instead of the byte offset. * - * NOTE: offsets obtained *before* ext4_set_inode_flag(dir, EXT4_INODE_INDEX) - * will be invalid once the directory was converted into a dx directory + * Because we may return a 64-bit hash that is well beyond offset limits, + * we need to pass the max hash as the maximum allowable offset in + * the htree directory case. + * + * For non-htree, ext4_llseek already chooses the proper max offset. */ loff_t ext4_dir_llseek(struct file *file, loff_t offset, int origin) { struct inode *inode = file->f_mapping->host; - loff_t ret = -EINVAL; int dx_dir = is_dx_dir(inode); + loff_t htree_max = ext4_get_htree_eof(file); - mutex_lock(&inode->i_mutex); - - /* NOTE: relative offsets with dx directories might not work - * as expected, as it is difficult to figure out the - * correct offset between dx hashes */ - - switch (origin) { - case SEEK_END: - if (unlikely(offset > 0)) - goto out_err; /* not supported for directories */ - - /* so only negative offsets are left, does that have a - * meaning for directories at all? */ - if (dx_dir) - offset += ext4_get_htree_eof(file); - else - offset += inode->i_size; - break; - case SEEK_CUR: - /* - * Here we special-case the lseek(fd, 0, SEEK_CUR) - * position-querying operation. Avoid rewriting the "same" - * f_pos value back to the file because a concurrent read(), - * write() or lseek() might have altered it - */ - if (offset == 0) { - offset = file->f_pos; - goto out_ok; - } - - offset += file->f_pos; - break; - } - - if (unlikely(offset < 0)) - goto out_err; - - if (!dx_dir) { - if (offset > inode->i_sb->s_maxbytes) - goto out_err; - } else if (offset > ext4_get_htree_eof(file)) - goto out_err; - - /* Special lock needed here? */ - if (offset != file->f_pos) { - file->f_pos = offset; - file->f_version = 0; - } - -out_ok: - ret = offset; -out_err: - mutex_unlock(&inode->i_mutex); - - return ret; + if (likely(dx_dir)) + return generic_file_llseek_size(file, offset, origin, + htree_max, htree_max); + else + return ext4_llseek(file, offset, origin); } /* diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 8c7642a00054..782eecb57e43 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -211,9 +211,9 @@ static int ext4_file_open(struct inode * inode, struct file * filp) } /* - * ext4_llseek() copied from generic_file_llseek() to handle both - * block-mapped and extent-mapped maxbytes values. This should - * otherwise be identical with generic_file_llseek(). + * ext4_llseek() handles both block-mapped and extent-mapped maxbytes values + * by calling generic_file_llseek_size() with the appropriate maxbytes + * value for each. */ loff_t ext4_llseek(struct file *file, loff_t offset, int origin) { @@ -225,7 +225,8 @@ loff_t ext4_llseek(struct file *file, loff_t offset, int origin) else maxbytes = inode->i_sb->s_maxbytes; - return generic_file_llseek_size(file, offset, origin, maxbytes); + return generic_file_llseek_size(file, offset, origin, + maxbytes, i_size_read(inode)); } const struct file_operations ext4_file_operations = { diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c index bb6c7d811313..2a1dcea4f12e 100644 --- a/fs/ext4/fsync.c +++ b/fs/ext4/fsync.c @@ -135,14 +135,7 @@ static int ext4_sync_parent(struct inode *inode) inode = igrab(inode); while (ext4_test_inode_state(inode, EXT4_STATE_NEWENTRY)) { ext4_clear_inode_state(inode, EXT4_STATE_NEWENTRY); - dentry = NULL; - spin_lock(&inode->i_lock); - if (!list_empty(&inode->i_dentry)) { - dentry = list_first_entry(&inode->i_dentry, - struct dentry, d_alias); - dget(dentry); - } - spin_unlock(&inode->i_lock); + dentry = d_find_any_alias(inode); if (!dentry) break; next = igrab(dentry->d_parent->d_inode); @@ -232,7 +225,7 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync) if (!journal) { ret = __sync_inode(inode, datasync); - if (!ret && !list_empty(&inode->i_dentry)) + if (!ret && !hlist_empty(&inode->i_dentry)) ret = ext4_sync_parent(inode); goto out; } diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 8ad112ae0ade..7f7dad787603 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -123,7 +123,6 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) else ext4_clear_inode_flag(inode, i); } - ei->i_flags = flags; ext4_set_inode_flags(inode); inode->i_ctime = ext4_current_time(inode); @@ -269,7 +268,6 @@ group_extend_out: err = ext4_move_extents(filp, donor_filp, me.orig_start, me.donor_start, me.len, &me.moved_len); mnt_drop_write_file(filp); - mnt_drop_write(filp->f_path.mnt); if (copy_to_user((struct move_extent __user *)arg, &me, sizeof(me))) @@ -391,7 +389,7 @@ group_add_out: if (err) return err; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) goto resizefs_out; @@ -403,7 +401,7 @@ group_add_out: } if (err == 0) err = err2; - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); resizefs_out: ext4_resize_end(sb); return err; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 5845cd97bf8b..d0d3f0e87f99 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1312,7 +1312,7 @@ errout: return NULL; } -static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode; struct ext4_dir_entry_2 *de; @@ -2072,8 +2072,8 @@ static int ext4_add_nondir(handle_t *handle, int err = ext4_add_entry(handle, dentry, inode); if (!err) { ext4_mark_inode_dirty(handle, inode); - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); return 0; } drop_nlink(inode); @@ -2091,7 +2091,7 @@ static int ext4_add_nondir(handle_t *handle, * with d_instantiate(). */ static int ext4_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { handle_t *handle; struct inode *inode; @@ -2249,8 +2249,8 @@ out_clear_inode: err = ext4_mark_inode_dirty(handle, dir); if (err) goto out_clear_inode; - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); out_stop: brelse(dir_block); ext4_journal_stop(handle); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index eb7aa3e4ef05..d8759401ecae 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4325,6 +4325,11 @@ static int ext4_sync_fs(struct super_block *sb, int wait) trace_ext4_sync_fs(sb, wait); flush_workqueue(sbi->dio_unwritten_wq); + /* + * Writeback quota in non-journalled quota case - journalled quota has + * no dirty dquots + */ + dquot_writeback_dquots(sb, -1); if (jbd2_journal_start_commit(sbi->s_journal, &target)) { if (wait) jbd2_log_wait_commit(sbi->s_journal, target); diff --git a/fs/fat/inode.c b/fs/fat/inode.c index a3d81ebf6d86..0038b32cb362 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -738,22 +738,21 @@ static int fat_encode_fh(struct inode *inode, __u32 *fh, int *lenp, struct inode *parent) { int len = *lenp; - u32 ipos_h, ipos_m, ipos_l; + struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb); + loff_t i_pos; if (len < 5) { *lenp = 5; return 255; /* no room */ } - ipos_h = MSDOS_I(inode)->i_pos >> 8; - ipos_m = (MSDOS_I(inode)->i_pos & 0xf0) << 24; - ipos_l = (MSDOS_I(inode)->i_pos & 0x0f) << 28; + i_pos = fat_i_pos_read(sbi, inode); *lenp = 5; fh[0] = inode->i_ino; fh[1] = inode->i_generation; - fh[2] = ipos_h; - fh[3] = ipos_m | MSDOS_I(inode)->i_logstart; - fh[4] = ipos_l; + fh[2] = i_pos >> 8; + fh[3] = ((i_pos & 0xf0) << 24) | MSDOS_I(inode)->i_logstart; + fh[4] = (i_pos & 0x0f) << 28; if (parent) fh[4] |= MSDOS_I(parent)->i_logstart; return 3; diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c index c5938c9084b9..70d993a93805 100644 --- a/fs/fat/namei_msdos.c +++ b/fs/fat/namei_msdos.c @@ -201,7 +201,7 @@ static const struct dentry_operations msdos_dentry_operations = { /***** Get inode using directory and name */ static struct dentry *msdos_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct super_block *sb = dir->i_sb; struct fat_slot_info sinfo; @@ -265,7 +265,7 @@ static int msdos_add_entry(struct inode *dir, const unsigned char *name, /***** Create a file */ static int msdos_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct super_block *sb = dir->i_sb; struct inode *inode = NULL; diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index 98ae804f5273..6cc480652433 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -41,9 +41,9 @@ static int vfat_revalidate_shortname(struct dentry *dentry) return ret; } -static int vfat_revalidate(struct dentry *dentry, struct nameidata *nd) +static int vfat_revalidate(struct dentry *dentry, unsigned int flags) { - if (nd && nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; /* This is not negative dentry. Always valid. */ @@ -52,9 +52,9 @@ static int vfat_revalidate(struct dentry *dentry, struct nameidata *nd) return vfat_revalidate_shortname(dentry); } -static int vfat_revalidate_ci(struct dentry *dentry, struct nameidata *nd) +static int vfat_revalidate_ci(struct dentry *dentry, unsigned int flags) { - if (nd && nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; /* @@ -74,7 +74,7 @@ static int vfat_revalidate_ci(struct dentry *dentry, struct nameidata *nd) * This may be nfsd (or something), anyway, we can't see the * intent of this. So, since this can be for creation, drop it. */ - if (!nd) + if (!flags) return 0; /* @@ -82,7 +82,7 @@ static int vfat_revalidate_ci(struct dentry *dentry, struct nameidata *nd) * case sensitive name which is specified by user if this is * for creation. */ - if (nd->flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) + if (flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) return 0; return vfat_revalidate_shortname(dentry); @@ -714,7 +714,7 @@ static int vfat_d_anon_disconn(struct dentry *dentry) } static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct super_block *sb = dir->i_sb; struct fat_slot_info sinfo; @@ -772,7 +772,7 @@ error: } static int vfat_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct super_block *sb = dir->i_sb; struct inode *inode; diff --git a/fs/fifo.c b/fs/fifo.c index b1a524d798e7..cf6f4345ceb0 100644 --- a/fs/fifo.c +++ b/fs/fifo.c @@ -14,7 +14,7 @@ #include <linux/sched.h> #include <linux/pipe_fs_i.h> -static void wait_for_partner(struct inode* inode, unsigned int *cnt) +static int wait_for_partner(struct inode* inode, unsigned int *cnt) { int cur = *cnt; @@ -23,6 +23,7 @@ static void wait_for_partner(struct inode* inode, unsigned int *cnt) if (signal_pending(current)) break; } + return cur == *cnt ? -ERESTARTSYS : 0; } static void wake_up_partner(struct inode* inode) @@ -67,8 +68,7 @@ static int fifo_open(struct inode *inode, struct file *filp) * seen a writer */ filp->f_version = pipe->w_counter; } else { - wait_for_partner(inode, &pipe->w_counter); - if(signal_pending(current)) + if (wait_for_partner(inode, &pipe->w_counter)) goto err_rd; } } @@ -90,8 +90,7 @@ static int fifo_open(struct inode *inode, struct file *filp) wake_up_partner(inode); if (!pipe->readers) { - wait_for_partner(inode, &pipe->r_counter); - if (signal_pending(current)) + if (wait_for_partner(inode, &pipe->r_counter)) goto err_wr; } break; diff --git a/fs/file_table.c b/fs/file_table.c index a305d9e2d1b2..b3fc4d67a26b 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -23,6 +23,8 @@ #include <linux/lglock.h> #include <linux/percpu_counter.h> #include <linux/percpu.h> +#include <linux/hardirq.h> +#include <linux/task_work.h> #include <linux/ima.h> #include <linux/atomic.h> @@ -251,7 +253,6 @@ static void __fput(struct file *file) } fops_put(file->f_op); put_pid(file->f_owner.pid); - file_sb_list_del(file); if ((file->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ) i_readcount_dec(inode); if (file->f_mode & FMODE_WRITE) @@ -263,10 +264,77 @@ static void __fput(struct file *file) mntput(mnt); } +static DEFINE_SPINLOCK(delayed_fput_lock); +static LIST_HEAD(delayed_fput_list); +static void delayed_fput(struct work_struct *unused) +{ + LIST_HEAD(head); + spin_lock_irq(&delayed_fput_lock); + list_splice_init(&delayed_fput_list, &head); + spin_unlock_irq(&delayed_fput_lock); + while (!list_empty(&head)) { + struct file *f = list_first_entry(&head, struct file, f_u.fu_list); + list_del_init(&f->f_u.fu_list); + __fput(f); + } +} + +static void ____fput(struct callback_head *work) +{ + __fput(container_of(work, struct file, f_u.fu_rcuhead)); +} + +/* + * If kernel thread really needs to have the final fput() it has done + * to complete, call this. The only user right now is the boot - we + * *do* need to make sure our writes to binaries on initramfs has + * not left us with opened struct file waiting for __fput() - execve() + * won't work without that. Please, don't add more callers without + * very good reasons; in particular, never call that with locks + * held and never call that from a thread that might need to do + * some work on any kind of umount. + */ +void flush_delayed_fput(void) +{ + delayed_fput(NULL); +} + +static DECLARE_WORK(delayed_fput_work, delayed_fput); + void fput(struct file *file) { - if (atomic_long_dec_and_test(&file->f_count)) + if (atomic_long_dec_and_test(&file->f_count)) { + struct task_struct *task = current; + file_sb_list_del(file); + if (unlikely(in_interrupt() || task->flags & PF_KTHREAD)) { + unsigned long flags; + spin_lock_irqsave(&delayed_fput_lock, flags); + list_add(&file->f_u.fu_list, &delayed_fput_list); + schedule_work(&delayed_fput_work); + spin_unlock_irqrestore(&delayed_fput_lock, flags); + return; + } + init_task_work(&file->f_u.fu_rcuhead, ____fput); + task_work_add(task, &file->f_u.fu_rcuhead, true); + } +} + +/* + * synchronous analog of fput(); for kernel threads that might be needed + * in some umount() (and thus can't use flush_delayed_fput() without + * risking deadlocks), need to wait for completion of __fput() and know + * for this specific struct file it won't involve anything that would + * need them. Use only if you really need it - at the very least, + * don't blindly convert fput() by kernel thread to that. + */ +void __fput_sync(struct file *file) +{ + if (atomic_long_dec_and_test(&file->f_count)) { + struct task_struct *task = current; + file_sb_list_del(file); + BUG_ON(!(task->flags & PF_KTHREAD)); __fput(file); + } } EXPORT_SYMBOL(fput); @@ -483,10 +551,8 @@ void mark_files_ro(struct super_block *sb) { struct file *f; -retry: lg_global_lock(&files_lglock); do_file_list_for_each_entry(sb, f) { - struct vfsmount *mnt; if (!S_ISREG(f->f_path.dentry->d_inode->i_mode)) continue; if (!file_count(f)) @@ -499,12 +565,7 @@ retry: if (file_check_writeable(f) != 0) continue; file_release_write(f); - mnt = mntget(f->f_path.mnt); - /* This can sleep, so we can't hold the spinlock. */ - lg_global_unlock(&files_lglock); - mnt_drop_write(mnt); - mntput(mnt); - goto retry; + mnt_drop_write_file(f); } while_file_list_for_each_entry; lg_global_unlock(&files_lglock); } diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c index 3360f1e678ad..bd447e88f208 100644 --- a/fs/freevxfs/vxfs_lookup.c +++ b/fs/freevxfs/vxfs_lookup.c @@ -48,7 +48,7 @@ #define VXFS_BLOCK_PER_PAGE(sbp) ((PAGE_CACHE_SIZE / (sbp)->s_blocksize)) -static struct dentry * vxfs_lookup(struct inode *, struct dentry *, struct nameidata *); +static struct dentry * vxfs_lookup(struct inode *, struct dentry *, unsigned int); static int vxfs_readdir(struct file *, void *, filldir_t); const struct inode_operations vxfs_dir_inode_ops = { @@ -203,7 +203,7 @@ vxfs_inode_by_name(struct inode *dip, struct dentry *dp) * in the return pointer. */ static struct dentry * -vxfs_lookup(struct inode *dip, struct dentry *dp, struct nameidata *nd) +vxfs_lookup(struct inode *dip, struct dentry *dp, unsigned int flags) { struct inode *ip = NULL; ino_t ino; diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 8d2fb8c88cf3..8f660dd6137a 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -664,6 +664,7 @@ static long writeback_sb_inodes(struct super_block *sb, /* Wait for I_SYNC. This function drops i_lock... */ inode_sleep_on_writeback(inode); /* Inode may be gone, start again */ + spin_lock(&wb->list_lock); continue; } inode->i_state |= I_SYNC; @@ -1314,6 +1315,8 @@ void writeback_inodes_sb_nr(struct super_block *sb, .reason = reason, }; + if (sb->s_bdi == &noop_backing_dev_info) + return; WARN_ON(!rwsem_is_locked(&sb->s_umount)); bdi_queue_work(sb->s_bdi, &work); wait_for_completion(&done); @@ -1397,6 +1400,9 @@ void sync_inodes_sb(struct super_block *sb) .reason = WB_REASON_SYNC, }; + /* Nothing to do? */ + if (sb->s_bdi == &noop_backing_dev_info) + return; WARN_ON(!rwsem_is_locked(&sb->s_umount)); bdi_queue_work(sb->s_bdi, &work); diff --git a/fs/fs_struct.c b/fs/fs_struct.c index e159e682ad4c..5df4775fea03 100644 --- a/fs/fs_struct.c +++ b/fs/fs_struct.c @@ -6,18 +6,6 @@ #include <linux/fs_struct.h> #include "internal.h" -static inline void path_get_longterm(struct path *path) -{ - path_get(path); - mnt_make_longterm(path->mnt); -} - -static inline void path_put_longterm(struct path *path) -{ - mnt_make_shortterm(path->mnt); - path_put(path); -} - /* * Replace the fs->{rootmnt,root} with {mnt,dentry}. Put the old values. * It can block. @@ -26,7 +14,7 @@ void set_fs_root(struct fs_struct *fs, struct path *path) { struct path old_root; - path_get_longterm(path); + path_get(path); spin_lock(&fs->lock); write_seqcount_begin(&fs->seq); old_root = fs->root; @@ -34,7 +22,7 @@ void set_fs_root(struct fs_struct *fs, struct path *path) write_seqcount_end(&fs->seq); spin_unlock(&fs->lock); if (old_root.dentry) - path_put_longterm(&old_root); + path_put(&old_root); } /* @@ -45,7 +33,7 @@ void set_fs_pwd(struct fs_struct *fs, struct path *path) { struct path old_pwd; - path_get_longterm(path); + path_get(path); spin_lock(&fs->lock); write_seqcount_begin(&fs->seq); old_pwd = fs->pwd; @@ -54,7 +42,7 @@ void set_fs_pwd(struct fs_struct *fs, struct path *path) spin_unlock(&fs->lock); if (old_pwd.dentry) - path_put_longterm(&old_pwd); + path_put(&old_pwd); } static inline int replace_path(struct path *p, const struct path *old, const struct path *new) @@ -84,7 +72,7 @@ void chroot_fs_refs(struct path *old_root, struct path *new_root) write_seqcount_end(&fs->seq); while (hits--) { count++; - path_get_longterm(new_root); + path_get(new_root); } spin_unlock(&fs->lock); } @@ -92,13 +80,13 @@ void chroot_fs_refs(struct path *old_root, struct path *new_root) } while_each_thread(g, p); read_unlock(&tasklist_lock); while (count--) - path_put_longterm(old_root); + path_put(old_root); } void free_fs_struct(struct fs_struct *fs) { - path_put_longterm(&fs->root); - path_put_longterm(&fs->pwd); + path_put(&fs->root); + path_put(&fs->pwd); kmem_cache_free(fs_cachep, fs); } @@ -132,9 +120,9 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old) spin_lock(&old->lock); fs->root = old->root; - path_get_longterm(&fs->root); + path_get(&fs->root); fs->pwd = old->pwd; - path_get_longterm(&fs->pwd); + path_get(&fs->pwd); spin_unlock(&old->lock); } return fs; diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 334e0b18a014..8964cf3999b2 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -154,7 +154,7 @@ u64 fuse_get_attr_version(struct fuse_conn *fc) * the lookup once more. If the lookup results in the same inode, * then refresh the attributes, timeouts and mark the dentry valid. */ -static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd) +static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) { struct inode *inode; @@ -174,7 +174,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd) if (!inode) return 0; - if (nd && (nd->flags & LOOKUP_RCU)) + if (flags & LOOKUP_RCU) return -ECHILD; fc = get_fuse_conn(inode); @@ -249,7 +249,7 @@ static struct dentry *fuse_d_add_directory(struct dentry *entry, /* This tries to shrink the subtree below alias */ fuse_invalidate_entry(alias); dput(alias); - if (!list_empty(&inode->i_dentry)) + if (!hlist_empty(&inode->i_dentry)) return ERR_PTR(-EBUSY); } else { dput(alias); @@ -316,7 +316,7 @@ int fuse_lookup_name(struct super_block *sb, u64 nodeid, struct qstr *name, } static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry, - struct nameidata *nd) + unsigned int flags) { int err; struct fuse_entry_out outarg; @@ -370,7 +370,8 @@ static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry, * 'mknod' + 'open' requests. */ static int fuse_create_open(struct inode *dir, struct dentry *entry, - umode_t mode, struct nameidata *nd) + struct file *file, unsigned flags, + umode_t mode, int *opened) { int err; struct inode *inode; @@ -381,15 +382,11 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, struct fuse_open_out outopen; struct fuse_entry_out outentry; struct fuse_file *ff; - struct file *file; - int flags = nd->intent.open.flags; - - if (fc->no_create) - return -ENOSYS; forget = fuse_alloc_forget(); + err = -ENOMEM; if (!forget) - return -ENOMEM; + goto out_err; req = fuse_get_req(fc); err = PTR_ERR(req); @@ -428,11 +425,8 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, req->out.args[1].value = &outopen; fuse_request_send(fc, req); err = req->out.h.error; - if (err) { - if (err == -ENOSYS) - fc->no_create = 1; + if (err) goto out_free_ff; - } err = -EIO; if (!S_ISREG(outentry.attr.mode) || invalid_nodeid(outentry.nodeid)) @@ -448,28 +442,74 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, flags &= ~(O_CREAT | O_EXCL | O_TRUNC); fuse_sync_release(ff, flags); fuse_queue_forget(fc, forget, outentry.nodeid, 1); - return -ENOMEM; + err = -ENOMEM; + goto out_err; } kfree(forget); d_instantiate(entry, inode); fuse_change_entry_timeout(entry, &outentry); fuse_invalidate_attr(dir); - file = lookup_instantiate_filp(nd, entry, generic_file_open); - if (IS_ERR(file)) { + err = finish_open(file, entry, generic_file_open, opened); + if (err) { fuse_sync_release(ff, flags); - return PTR_ERR(file); + } else { + file->private_data = fuse_file_get(ff); + fuse_finish_open(inode, file); } - file->private_data = fuse_file_get(ff); - fuse_finish_open(inode, file); - return 0; + return err; - out_free_ff: +out_free_ff: fuse_file_free(ff); - out_put_request: +out_put_request: fuse_put_request(fc, req); - out_put_forget_req: +out_put_forget_req: kfree(forget); +out_err: + return err; +} + +static int fuse_mknod(struct inode *, struct dentry *, umode_t, dev_t); +static int fuse_atomic_open(struct inode *dir, struct dentry *entry, + struct file *file, unsigned flags, + umode_t mode, int *opened) +{ + int err; + struct fuse_conn *fc = get_fuse_conn(dir); + struct dentry *res = NULL; + + if (d_unhashed(entry)) { + res = fuse_lookup(dir, entry, 0); + if (IS_ERR(res)) + return PTR_ERR(res); + + if (res) + entry = res; + } + + if (!(flags & O_CREAT) || entry->d_inode) + goto no_open; + + /* Only creates */ + *opened |= FILE_CREATED; + + if (fc->no_create) + goto mknod; + + err = fuse_create_open(dir, entry, file, flags, mode, opened); + if (err == -ENOSYS) { + fc->no_create = 1; + goto mknod; + } +out_dput: + dput(res); return err; + +mknod: + err = fuse_mknod(dir, entry, mode, 0); + if (err) + goto out_dput; +no_open: + return finish_no_open(file, res); } /* @@ -571,14 +611,8 @@ static int fuse_mknod(struct inode *dir, struct dentry *entry, umode_t mode, } static int fuse_create(struct inode *dir, struct dentry *entry, umode_t mode, - struct nameidata *nd) + bool excl) { - if (nd) { - int err = fuse_create_open(dir, entry, mode, nd); - if (err != -ENOSYS) - return err; - /* Fall back on mknod */ - } return fuse_mknod(dir, entry, mode, 0); } @@ -1646,6 +1680,7 @@ static const struct inode_operations fuse_dir_inode_operations = { .link = fuse_link, .setattr = fuse_setattr, .create = fuse_create, + .atomic_open = fuse_atomic_open, .mknod = fuse_mknod, .permission = fuse_permission, .getattr = fuse_getattr, diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index e80a464850c8..d6526347d386 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -614,7 +614,6 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, unsigned int data_blocks = 0, ind_blocks = 0, rblocks; int alloc_required; int error = 0; - struct gfs2_qadata *qa = NULL; pgoff_t index = pos >> PAGE_CACHE_SHIFT; unsigned from = pos & (PAGE_CACHE_SIZE - 1); struct page *page; @@ -638,15 +637,9 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks); if (alloc_required) { - qa = gfs2_qadata_get(ip); - if (!qa) { - error = -ENOMEM; - goto out_unlock; - } - error = gfs2_quota_lock_check(ip); if (error) - goto out_alloc_put; + goto out_unlock; error = gfs2_inplace_reserve(ip, data_blocks + ind_blocks); if (error) @@ -708,8 +701,6 @@ out_trans_fail: gfs2_inplace_release(ip); out_qunlock: gfs2_quota_unlock(ip); -out_alloc_put: - gfs2_qadata_put(ip); } out_unlock: if (&ip->i_inode == sdp->sd_rindex) { @@ -846,7 +837,6 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping, struct gfs2_sbd *sdp = GFS2_SB(inode); struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode); struct buffer_head *dibh; - struct gfs2_qadata *qa = ip->i_qadata; unsigned int from = pos & (PAGE_CACHE_SIZE - 1); unsigned int to = from + len; int ret; @@ -878,12 +868,10 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping, brelse(dibh); failed: gfs2_trans_end(sdp); - if (ip->i_res) + if (gfs2_mb_reserved(ip)) gfs2_inplace_release(ip); - if (qa) { + if (ip->i_res->rs_qa_qd_num) gfs2_quota_unlock(ip); - gfs2_qadata_put(ip); - } if (inode == sdp->sd_rindex) { gfs2_glock_dq(&m_ip->i_gh); gfs2_holder_uninit(&m_ip->i_gh); diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index dab54099dd98..49cd7dd4a9fa 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -785,6 +785,9 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh, if (error) goto out_rlist; + if (gfs2_rs_active(ip->i_res)) /* needs to be done with the rgrp glock held */ + gfs2_rs_deltree(ip->i_res); + error = gfs2_trans_begin(sdp, rg_blocks + RES_DINODE + RES_INDIRECT + RES_STATFS + RES_QUOTA, revokes); @@ -1045,12 +1048,13 @@ static int trunc_dealloc(struct gfs2_inode *ip, u64 size) lblock = (size - 1) >> sdp->sd_sb.sb_bsize_shift; find_metapath(sdp, lblock, &mp, ip->i_height); - if (!gfs2_qadata_get(ip)) - return -ENOMEM; + error = gfs2_rindex_update(sdp); + if (error) + return error; error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); if (error) - goto out; + return error; while (height--) { struct strip_mine sm; @@ -1064,8 +1068,6 @@ static int trunc_dealloc(struct gfs2_inode *ip, u64 size) gfs2_quota_unhold(ip); -out: - gfs2_qadata_put(ip); return error; } @@ -1167,19 +1169,14 @@ static int do_grow(struct inode *inode, u64 size) struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); struct buffer_head *dibh; - struct gfs2_qadata *qa = NULL; int error; int unstuff = 0; if (gfs2_is_stuffed(ip) && (size > (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)))) { - qa = gfs2_qadata_get(ip); - if (qa == NULL) - return -ENOMEM; - error = gfs2_quota_lock_check(ip); if (error) - goto do_grow_alloc_put; + return error; error = gfs2_inplace_reserve(ip, 1); if (error) @@ -1214,8 +1211,6 @@ do_grow_release: gfs2_inplace_release(ip); do_grow_qunlock: gfs2_quota_unlock(ip); -do_grow_alloc_put: - gfs2_qadata_put(ip); } return error; } diff --git a/fs/gfs2/dentry.c b/fs/gfs2/dentry.c index 0da8da2c991d..4fddb3c22d25 100644 --- a/fs/gfs2/dentry.c +++ b/fs/gfs2/dentry.c @@ -25,7 +25,7 @@ /** * gfs2_drevalidate - Check directory lookup consistency * @dentry: the mapping to check - * @nd: + * @flags: lookup flags * * Check to make sure the lookup necessary to arrive at this inode from its * parent is still good. @@ -33,7 +33,7 @@ * Returns: 1 if the dentry is ok, 0 if it isn't */ -static int gfs2_drevalidate(struct dentry *dentry, struct nameidata *nd) +static int gfs2_drevalidate(struct dentry *dentry, unsigned int flags) { struct dentry *parent; struct gfs2_sbd *sdp; @@ -44,7 +44,7 @@ static int gfs2_drevalidate(struct dentry *dentry, struct nameidata *nd) int error; int had_lock = 0; - if (nd && nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; parent = dget_parent(dentry); diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 8aaeb07a07b5..259b088cfc4c 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -1854,14 +1854,9 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len, if (!ht) return -ENOMEM; - if (!gfs2_qadata_get(dip)) { - error = -ENOMEM; - goto out; - } - error = gfs2_quota_hold(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); if (error) - goto out_put; + goto out; /* Count the number of leaves */ bh = leaf_bh; @@ -1942,8 +1937,6 @@ out_rg_gunlock: out_rlist: gfs2_rlist_free(&rlist); gfs2_quota_unhold(dip); -out_put: - gfs2_qadata_put(dip); out: kfree(ht); return error; diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index 31b199f6efc1..9aa6af13823c 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -142,6 +142,7 @@ static const u32 fsflags_to_gfs2[32] = { [7] = GFS2_DIF_NOATIME, [12] = GFS2_DIF_EXHASH, [14] = GFS2_DIF_INHERIT_JDATA, + [17] = GFS2_DIF_TOPDIR, }; static const u32 gfs2_to_fsflags[32] = { @@ -150,6 +151,7 @@ static const u32 gfs2_to_fsflags[32] = { [gfs2fl_AppendOnly] = FS_APPEND_FL, [gfs2fl_NoAtime] = FS_NOATIME_FL, [gfs2fl_ExHash] = FS_INDEX_FL, + [gfs2fl_TopLevel] = FS_TOPDIR_FL, [gfs2fl_InheritJdata] = FS_JOURNAL_DATA_FL, }; @@ -203,6 +205,7 @@ void gfs2_set_inode_flags(struct inode *inode) GFS2_DIF_NOATIME| \ GFS2_DIF_SYNC| \ GFS2_DIF_SYSTEM| \ + GFS2_DIF_TOPDIR| \ GFS2_DIF_INHERIT_JDATA) /** @@ -298,6 +301,7 @@ static int gfs2_set_flags(struct file *filp, u32 __user *ptr) gfsflags = fsflags_cvt(fsflags_to_gfs2, fsflags); if (!S_ISDIR(inode->i_mode)) { + gfsflags &= ~GFS2_DIF_TOPDIR; if (gfsflags & GFS2_DIF_INHERIT_JDATA) gfsflags ^= (GFS2_DIF_JDATA | GFS2_DIF_INHERIT_JDATA); return do_gfs2_set_flags(filp, gfsflags, ~0); @@ -366,7 +370,6 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) u64 pos = page->index << PAGE_CACHE_SHIFT; unsigned int data_blocks, ind_blocks, rblocks; struct gfs2_holder gh; - struct gfs2_qadata *qa; loff_t size; int ret; @@ -376,6 +379,13 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) */ vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE); + ret = gfs2_rs_alloc(ip); + if (ret) + return ret; + + atomic_set(&ip->i_res->rs_sizehint, + PAGE_CACHE_SIZE >> sdp->sd_sb.sb_bsize_shift); + gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); ret = gfs2_glock_nq(&gh); if (ret) @@ -393,14 +403,13 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) goto out_unlock; } - ret = -ENOMEM; - qa = gfs2_qadata_get(ip); - if (qa == NULL) + ret = gfs2_rindex_update(sdp); + if (ret) goto out_unlock; ret = gfs2_quota_lock_check(ip); if (ret) - goto out_alloc_put; + goto out_unlock; gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks); ret = gfs2_inplace_reserve(ip, data_blocks + ind_blocks); if (ret) @@ -447,8 +456,6 @@ out_trans_fail: gfs2_inplace_release(ip); out_quota_unlock: gfs2_quota_unlock(ip); -out_alloc_put: - gfs2_qadata_put(ip); out_unlock: gfs2_glock_dq(&gh); out: @@ -567,16 +574,14 @@ fail: static int gfs2_release(struct inode *inode, struct file *file) { - struct gfs2_sbd *sdp = inode->i_sb->s_fs_info; - struct gfs2_file *fp; + struct gfs2_inode *ip = GFS2_I(inode); - fp = file->private_data; + kfree(file->private_data); file->private_data = NULL; - if (gfs2_assert_warn(sdp, fp)) - return -EIO; - - kfree(fp); + if ((file->f_mode & FMODE_WRITE) && + (atomic_read(&inode->i_writecount) == 1)) + gfs2_rs_delete(ip); return 0; } @@ -653,12 +658,20 @@ static ssize_t gfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos) { struct file *file = iocb->ki_filp; + size_t writesize = iov_length(iov, nr_segs); + struct dentry *dentry = file->f_dentry; + struct gfs2_inode *ip = GFS2_I(dentry->d_inode); + struct gfs2_sbd *sdp; + int ret; + sdp = GFS2_SB(file->f_mapping->host); + ret = gfs2_rs_alloc(ip); + if (ret) + return ret; + + atomic_set(&ip->i_res->rs_sizehint, writesize >> sdp->sd_sb.sb_bsize_shift); if (file->f_flags & O_APPEND) { - struct dentry *dentry = file->f_dentry; - struct gfs2_inode *ip = GFS2_I(dentry->d_inode); struct gfs2_holder gh; - int ret; ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh); if (ret) @@ -751,7 +764,6 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset, struct gfs2_inode *ip = GFS2_I(inode); unsigned int data_blocks = 0, ind_blocks = 0, rblocks; loff_t bytes, max_bytes; - struct gfs2_qadata *qa; int error; const loff_t pos = offset; const loff_t count = len; @@ -774,11 +786,17 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset, if (bytes == 0) bytes = sdp->sd_sb.sb_bsize; + error = gfs2_rs_alloc(ip); + if (error) + return error; + gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &ip->i_gh); error = gfs2_glock_nq(&ip->i_gh); if (unlikely(error)) goto out_uninit; + atomic_set(&ip->i_res->rs_sizehint, len >> sdp->sd_sb.sb_bsize_shift); + while (len > 0) { if (len < bytes) bytes = len; @@ -787,15 +805,9 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset, offset += bytes; continue; } - qa = gfs2_qadata_get(ip); - if (!qa) { - error = -ENOMEM; - goto out_unlock; - } - error = gfs2_quota_lock_check(ip); if (error) - goto out_alloc_put; + goto out_unlock; retry: gfs2_write_calc_reserv(ip, bytes, &data_blocks, &ind_blocks); @@ -835,7 +847,6 @@ retry: offset += max_bytes; gfs2_inplace_release(ip); gfs2_quota_unlock(ip); - gfs2_qadata_put(ip); } if (error == 0) @@ -846,8 +857,6 @@ out_trans_fail: gfs2_inplace_release(ip); out_qunlock: gfs2_quota_unlock(ip); -out_alloc_put: - gfs2_qadata_put(ip); out_unlock: gfs2_glock_dq(&ip->i_gh); out_uninit: diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index dab2526071cc..1ed81f40da0d 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -46,10 +46,11 @@ #include "trace_gfs2.h" struct gfs2_glock_iter { - int hash; /* hash bucket index */ - struct gfs2_sbd *sdp; /* incore superblock */ - struct gfs2_glock *gl; /* current glock struct */ - char string[512]; /* scratch space */ + int hash; /* hash bucket index */ + unsigned nhash; /* Index within current bucket */ + struct gfs2_sbd *sdp; /* incore superblock */ + struct gfs2_glock *gl; /* current glock struct */ + loff_t last_pos; /* last position */ }; typedef void (*glock_examiner) (struct gfs2_glock * gl); @@ -767,6 +768,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number, gl->gl_stats.stats[GFS2_LKS_DCOUNT] = 0; gl->gl_stats.stats[GFS2_LKS_QCOUNT] = 0; memset(&gl->gl_lksb, 0, sizeof(struct dlm_lksb)); + memset(gl->gl_lvb, 0, 32 * sizeof(char)); gl->gl_lksb.sb_lvbptr = gl->gl_lvb; gl->gl_tchange = jiffies; gl->gl_object = NULL; @@ -948,9 +950,7 @@ void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...) va_start(args, fmt); if (seq) { - struct gfs2_glock_iter *gi = seq->private; - vsprintf(gi->string, fmt, args); - seq_printf(seq, gi->string); + seq_vprintf(seq, fmt, args); } else { vaf.fmt = fmt; vaf.va = &args; @@ -1854,8 +1854,14 @@ static int gfs2_glock_iter_next(struct gfs2_glock_iter *gi) gl = gi->gl; if (gl) { gi->gl = glock_hash_next(gl); + gi->nhash++; } else { + if (gi->hash >= GFS2_GL_HASH_SIZE) { + rcu_read_unlock(); + return 1; + } gi->gl = glock_hash_chain(gi->hash); + gi->nhash = 0; } while (gi->gl == NULL) { gi->hash++; @@ -1864,6 +1870,7 @@ static int gfs2_glock_iter_next(struct gfs2_glock_iter *gi) return 1; } gi->gl = glock_hash_chain(gi->hash); + gi->nhash = 0; } /* Skip entries for other sb and dead entries */ } while (gi->sdp != gi->gl->gl_sbd || atomic_read(&gi->gl->gl_ref) == 0); @@ -1876,7 +1883,12 @@ static void *gfs2_glock_seq_start(struct seq_file *seq, loff_t *pos) struct gfs2_glock_iter *gi = seq->private; loff_t n = *pos; - gi->hash = 0; + if (gi->last_pos <= *pos) + n = gi->nhash + (*pos - gi->last_pos); + else + gi->hash = 0; + + gi->nhash = 0; rcu_read_lock(); do { @@ -1884,6 +1896,7 @@ static void *gfs2_glock_seq_start(struct seq_file *seq, loff_t *pos) return NULL; } while (n--); + gi->last_pos = *pos; return gi->gl; } @@ -1893,7 +1906,7 @@ static void *gfs2_glock_seq_next(struct seq_file *seq, void *iter_ptr, struct gfs2_glock_iter *gi = seq->private; (*pos)++; - + gi->last_pos = *pos; if (gfs2_glock_iter_next(gi)) return NULL; @@ -1964,6 +1977,8 @@ static const struct seq_operations gfs2_sbstats_seq_ops = { .show = gfs2_sbstats_seq_show, }; +#define GFS2_SEQ_GOODSIZE min(PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER, 65536UL) + static int gfs2_glocks_open(struct inode *inode, struct file *file) { int ret = seq_open_private(file, &gfs2_glock_seq_ops, @@ -1972,6 +1987,9 @@ static int gfs2_glocks_open(struct inode *inode, struct file *file) struct seq_file *seq = file->private_data; struct gfs2_glock_iter *gi = seq->private; gi->sdp = inode->i_private; + seq->buf = kmalloc(GFS2_SEQ_GOODSIZE, GFP_KERNEL | __GFP_NOWARN); + if (seq->buf) + seq->size = GFS2_SEQ_GOODSIZE; } return ret; } @@ -1984,6 +2002,9 @@ static int gfs2_glstats_open(struct inode *inode, struct file *file) struct seq_file *seq = file->private_data; struct gfs2_glock_iter *gi = seq->private; gi->sdp = inode->i_private; + seq->buf = kmalloc(GFS2_SEQ_GOODSIZE, GFP_KERNEL | __GFP_NOWARN); + if (seq->buf) + seq->size = GFS2_SEQ_GOODSIZE; } return ret; } diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 67fd6beffece..aaecc8085fc5 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -84,17 +84,22 @@ struct gfs2_rgrpd { u32 rd_data; /* num of data blocks in rgrp */ u32 rd_bitbytes; /* number of bytes in data bitmaps */ u32 rd_free; + u32 rd_reserved; /* number of blocks reserved */ u32 rd_free_clone; u32 rd_dinodes; u64 rd_igeneration; struct gfs2_bitmap *rd_bits; struct gfs2_sbd *rd_sbd; + struct gfs2_rgrp_lvb *rd_rgl; u32 rd_last_alloc; u32 rd_flags; #define GFS2_RDF_CHECK 0x10000000 /* check for unlinked inodes */ #define GFS2_RDF_UPTODATE 0x20000000 /* rg is up to date */ #define GFS2_RDF_ERROR 0x40000000 /* error in rg */ #define GFS2_RDF_MASK 0xf0000000 /* mask for internal flags */ + spinlock_t rd_rsspin; /* protects reservation related vars */ + struct rb_root rd_rstree; /* multi-block reservation tree */ + u32 rd_rs_cnt; /* count of current reservations */ }; enum gfs2_state_bits { @@ -232,6 +237,38 @@ struct gfs2_holder { unsigned long gh_ip; }; +/* Resource group multi-block reservation, in order of appearance: + + Step 1. Function prepares to write, allocates a mb, sets the size hint. + Step 2. User calls inplace_reserve to target an rgrp, sets the rgrp info + Step 3. Function get_local_rgrp locks the rgrp, determines which bits to use + Step 4. Bits are assigned from the rgrp based on either the reservation + or wherever it can. +*/ + +struct gfs2_blkreserv { + /* components used during write (step 1): */ + atomic_t rs_sizehint; /* hint of the write size */ + + /* components used during inplace_reserve (step 2): */ + u32 rs_requested; /* Filled in by caller of gfs2_inplace_reserve() */ + + /* components used during get_local_rgrp (step 3): */ + struct gfs2_rgrpd *rs_rgd; /* pointer to the gfs2_rgrpd */ + struct gfs2_holder rs_rgd_gh; /* Filled in by get_local_rgrp */ + struct rb_node rs_node; /* link to other block reservations */ + + /* components used during block searches and assignments (step 4): */ + struct gfs2_bitmap *rs_bi; /* bitmap for the current allocation */ + u32 rs_biblk; /* start block relative to the bi */ + u32 rs_free; /* how many blocks are still free */ + + /* ancillary quota stuff */ + struct gfs2_quota_data *rs_qa_qd[2 * MAXQUOTAS]; + struct gfs2_holder rs_qa_qd_ghs[2 * MAXQUOTAS]; + unsigned int rs_qa_qd_num; +}; + enum { GLF_LOCK = 1, GLF_DEMOTE = 3, @@ -289,18 +326,6 @@ struct gfs2_glock { #define GFS2_MIN_LVB_SIZE 32 /* Min size of LVB that gfs2 supports */ -struct gfs2_qadata { /* quota allocation data */ - /* Quota stuff */ - struct gfs2_quota_data *qa_qd[2*MAXQUOTAS]; - struct gfs2_holder qa_qd_ghs[2*MAXQUOTAS]; - unsigned int qa_qd_num; -}; - -struct gfs2_blkreserv { - u32 rs_requested; /* Filled in by caller of gfs2_inplace_reserve() */ - struct gfs2_holder rs_rgd_gh; /* Filled in by gfs2_inplace_reserve() */ -}; - enum { GIF_INVALID = 0, GIF_QD_LOCKED = 1, @@ -308,7 +333,6 @@ enum { GIF_SW_PAGED = 3, }; - struct gfs2_inode { struct inode i_inode; u64 i_no_addr; @@ -319,8 +343,7 @@ struct gfs2_inode { struct gfs2_glock *i_gl; /* Move into i_gh? */ struct gfs2_holder i_iopen_gh; struct gfs2_holder i_gh; /* for prepare/commit_write only */ - struct gfs2_qadata *i_qadata; /* quota allocation data */ - struct gfs2_blkreserv *i_res; /* resource group block reservation */ + struct gfs2_blkreserv *i_res; /* rgrp multi-block reservation */ struct gfs2_rgrpd *i_rgd; u64 i_goal; /* goal block for allocations */ struct rw_semaphore i_rw_mutex; @@ -473,6 +496,7 @@ struct gfs2_args { unsigned int ar_discard:1; /* discard requests */ unsigned int ar_errors:2; /* errors=withdraw | panic */ unsigned int ar_nobarrier:1; /* do not send barriers */ + unsigned int ar_rgrplvb:1; /* use lvbs for rgrp info */ int ar_commit; /* Commit interval */ int ar_statfs_quantum; /* The fast statfs interval */ int ar_quota_quantum; /* The quota interval */ diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index a9ba2444e077..4ce22e547308 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -521,12 +521,13 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, int error; munge_mode_uid_gid(dip, &mode, &uid, &gid); - if (!gfs2_qadata_get(dip)) - return -ENOMEM; + error = gfs2_rindex_update(sdp); + if (error) + return error; error = gfs2_quota_lock(dip, uid, gid); if (error) - goto out; + return error; error = gfs2_quota_check(dip, uid, gid); if (error) @@ -542,8 +543,6 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, out_quota: gfs2_quota_unlock(dip); -out: - gfs2_qadata_put(dip); return error; } @@ -551,14 +550,13 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, struct gfs2_inode *ip) { struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); - struct gfs2_qadata *qa; int alloc_required; struct buffer_head *dibh; int error; - qa = gfs2_qadata_get(dip); - if (!qa) - return -ENOMEM; + error = gfs2_rindex_update(sdp); + if (error) + return error; error = gfs2_quota_lock(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); if (error) @@ -605,13 +603,13 @@ fail_end_trans: gfs2_trans_end(sdp); fail_ipreserv: - gfs2_inplace_release(dip); + if (alloc_required) + gfs2_inplace_release(dip); fail_quota_locks: gfs2_quota_unlock(dip); fail: - gfs2_qadata_put(dip); return error; } @@ -657,7 +655,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, const struct qstr *name = &dentry->d_name; struct gfs2_holder ghs[2]; struct inode *inode = NULL; - struct gfs2_inode *dip = GFS2_I(dir); + struct gfs2_inode *dip = GFS2_I(dir), *ip; struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); struct gfs2_inum_host inum = { .no_addr = 0, .no_formal_ino = 0 }; int error; @@ -667,6 +665,15 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, if (!name->len || name->len > GFS2_FNAMESIZE) return -ENAMETOOLONG; + /* We need a reservation to allocate the new dinode block. The + directory ip temporarily points to the reservation, but this is + being done to get a set of contiguous blocks for the new dinode. + Since this is a create, we don't have a sizehint yet, so it will + have to use the minimum reservation size. */ + error = gfs2_rs_alloc(dip); + if (error) + return error; + error = gfs2_glock_nq_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs); if (error) goto fail; @@ -700,19 +707,29 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, if (IS_ERR(inode)) goto fail_gunlock2; - error = gfs2_inode_refresh(GFS2_I(inode)); + ip = GFS2_I(inode); + error = gfs2_inode_refresh(ip); if (error) goto fail_gunlock2; + /* The newly created inode needs a reservation so it can allocate + xattrs. At the same time, we want new blocks allocated to the new + dinode to be as contiguous as possible. Since we allocated the + dinode block under the directory's reservation, we transfer + ownership of that reservation to the new inode. The directory + doesn't need a reservation unless it needs a new allocation. */ + ip->i_res = dip->i_res; + dip->i_res = NULL; + error = gfs2_acl_create(dip, inode); if (error) goto fail_gunlock2; - error = gfs2_security_init(dip, GFS2_I(inode), name); + error = gfs2_security_init(dip, ip, name); if (error) goto fail_gunlock2; - error = link_dinode(dip, name, GFS2_I(inode)); + error = link_dinode(dip, name, ip); if (error) goto fail_gunlock2; @@ -722,10 +739,9 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, gfs2_trans_end(sdp); /* Check if we reserved space in the rgrp. Function link_dinode may not, depending on whether alloc is required. */ - if (dip->i_res) + if (gfs2_mb_reserved(dip)) gfs2_inplace_release(dip); gfs2_quota_unlock(dip); - gfs2_qadata_put(dip); mark_inode_dirty(inode); gfs2_glock_dq_uninit_m(2, ghs); d_instantiate(dentry, inode); @@ -740,6 +756,7 @@ fail_gunlock: iput(inode); } fail: + gfs2_rs_delete(dip); if (bh) brelse(bh); return error; @@ -755,11 +772,8 @@ fail: */ static int gfs2_create(struct inode *dir, struct dentry *dentry, - umode_t mode, struct nameidata *nd) + umode_t mode, bool excl) { - int excl = 0; - if (nd && (nd->flags & LOOKUP_EXCL)) - excl = 1; return gfs2_create_inode(dir, dentry, S_IFREG | mode, 0, NULL, 0, excl); } @@ -775,7 +789,7 @@ static int gfs2_create(struct inode *dir, struct dentry *dentry, */ static struct dentry *gfs2_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct inode *inode = gfs2_lookupi(dir, &dentry->d_name, 0); if (inode && !IS_ERR(inode)) { @@ -819,6 +833,10 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, if (S_ISDIR(inode->i_mode)) return -EPERM; + error = gfs2_rs_alloc(dip); + if (error) + return error; + gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs); gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + 1); @@ -870,16 +888,9 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, error = 0; if (alloc_required) { - struct gfs2_qadata *qa = gfs2_qadata_get(dip); - - if (!qa) { - error = -ENOMEM; - goto out_gunlock; - } - error = gfs2_quota_lock_check(dip); if (error) - goto out_alloc; + goto out_gunlock; error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres); if (error) @@ -922,9 +933,6 @@ out_ipres: out_gunlock_q: if (alloc_required) gfs2_quota_unlock(dip); -out_alloc: - if (alloc_required) - gfs2_qadata_put(dip); out_gunlock: gfs2_glock_dq(ghs + 1); out_child: @@ -1234,6 +1242,10 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, if (error) return error; + error = gfs2_rs_alloc(ndip); + if (error) + return error; + if (odip != ndip) { error = gfs2_glock_nq_init(sdp->sd_rename_gl, LM_ST_EXCLUSIVE, 0, &r_gh); @@ -1357,16 +1369,9 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, goto out_gunlock; if (alloc_required) { - struct gfs2_qadata *qa = gfs2_qadata_get(ndip); - - if (!qa) { - error = -ENOMEM; - goto out_gunlock; - } - error = gfs2_quota_lock_check(ndip); if (error) - goto out_alloc; + goto out_gunlock; error = gfs2_inplace_reserve(ndip, sdp->sd_max_dirres); if (error) @@ -1427,9 +1432,6 @@ out_ipreserv: out_gunlock_q: if (alloc_required) gfs2_quota_unlock(ndip); -out_alloc: - if (alloc_required) - gfs2_qadata_put(ndip); out_gunlock: while (x--) { gfs2_glock_dq(ghs + x); @@ -1590,12 +1592,9 @@ static int setattr_chown(struct inode *inode, struct iattr *attr) if (!(attr->ia_valid & ATTR_GID) || ogid == ngid) ogid = ngid = NO_QUOTA_CHANGE; - if (!gfs2_qadata_get(ip)) - return -ENOMEM; - error = gfs2_quota_lock(ip, nuid, ngid); if (error) - goto out_alloc; + return error; if (ouid != NO_QUOTA_CHANGE || ogid != NO_QUOTA_CHANGE) { error = gfs2_quota_check(ip, nuid, ngid); @@ -1621,8 +1620,6 @@ out_end_trans: gfs2_trans_end(sdp); out_gunlock_q: gfs2_quota_unlock(ip); -out_alloc: - gfs2_qadata_put(ip); return error; } @@ -1644,6 +1641,10 @@ static int gfs2_setattr(struct dentry *dentry, struct iattr *attr) struct gfs2_holder i_gh; int error; + error = gfs2_rs_alloc(ip); + if (error) + return error; + error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &i_gh); if (error) return error; diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index 852c1be1dd3b..8ff95a2d54ee 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -401,9 +401,14 @@ static void buf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) goto out; set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags); - gfs2_meta_check(sdp, bd->bd_bh); - gfs2_pin(sdp, bd->bd_bh); mh = (struct gfs2_meta_header *)bd->bd_bh->b_data; + if (unlikely(mh->mh_magic != cpu_to_be32(GFS2_MAGIC))) { + printk(KERN_ERR + "Attempting to add uninitialised block to journal (inplace block=%lld)\n", + (unsigned long long)bd->bd_bh->b_blocknr); + BUG(); + } + gfs2_pin(sdp, bd->bd_bh); mh->__pad0 = cpu_to_be64(0); mh->mh_jid = cpu_to_be32(sdp->sd_jdesc->jd_jid); sdp->sd_log_num_buf++; diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index 6cdb0f2a1b09..e04d0e09ee7b 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -43,7 +43,6 @@ static void gfs2_init_inode_once(void *foo) inode_init_once(&ip->i_inode); init_rwsem(&ip->i_rw_mutex); INIT_LIST_HEAD(&ip->i_trunc_list); - ip->i_qadata = NULL; ip->i_res = NULL; ip->i_hash_cache = NULL; } diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 6c1e5d1c404a..3a56c8d94de0 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -213,8 +213,10 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags, struct gfs2_sbd *sdp = gl->gl_sbd; struct buffer_head *bh; - if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags))) + if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags))) { + *bhp = NULL; return -EIO; + } *bhp = bh = gfs2_getbuf(gl, blkno, CREATE); @@ -235,6 +237,7 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags, if (tr && tr->tr_touched) gfs2_io_error_bh(sdp, bh); brelse(bh); + *bhp = NULL; return -EIO; } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index b8c250fc4922..e5af9dc420ef 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -1118,20 +1118,33 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent } error = init_names(sdp, silent); - if (error) - goto fail; + if (error) { + /* In this case, we haven't initialized sysfs, so we have to + manually free the sdp. */ + free_percpu(sdp->sd_lkstats); + kfree(sdp); + sb->s_fs_info = NULL; + return error; + } snprintf(sdp->sd_fsname, GFS2_FSNAME_LEN, "%s", sdp->sd_table_name); - gfs2_create_debugfs_file(sdp); - error = gfs2_sys_fs_add(sdp); + /* + * If we hit an error here, gfs2_sys_fs_add will have called function + * kobject_put which causes the sysfs usage count to go to zero, which + * causes sysfs to call function gfs2_sbd_release, which frees sdp. + * Subsequent error paths here will call gfs2_sys_fs_del, which also + * kobject_put to free sdp. + */ if (error) - goto fail; + return error; + + gfs2_create_debugfs_file(sdp); error = gfs2_lm_mount(sdp, silent); if (error) - goto fail_sys; + goto fail_debug; error = init_locking(sdp, &mount_gh, DO); if (error) @@ -1215,12 +1228,12 @@ fail_locking: fail_lm: gfs2_gl_hash_clear(sdp); gfs2_lm_unmount(sdp); -fail_sys: - gfs2_sys_fs_del(sdp); -fail: +fail_debug: gfs2_delete_debugfs_file(sdp); free_percpu(sdp->sd_lkstats); - kfree(sdp); + /* gfs2_sys_fs_del must be the last thing we do, since it causes + * sysfs to call function gfs2_sbd_release, which frees sdp. */ + gfs2_sys_fs_del(sdp); sb->s_fs_info = NULL; return error; } @@ -1286,7 +1299,7 @@ static struct dentry *gfs2_mount(struct file_system_type *fs_type, int flags, error = -EBUSY; goto error_bdev; } - s = sget(fs_type, test_gfs2_super, set_gfs2_super, bdev); + s = sget(fs_type, test_gfs2_super, set_gfs2_super, flags, bdev); mutex_unlock(&bdev->bd_fsfreeze_mutex); error = PTR_ERR(s); if (IS_ERR(s)) @@ -1316,7 +1329,6 @@ static struct dentry *gfs2_mount(struct file_system_type *fs_type, int flags, } else { char b[BDEVNAME_SIZE]; - s->s_flags = flags; s->s_mode = mode; strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id)); sb_set_blocksize(s, block_size(bdev)); @@ -1360,7 +1372,7 @@ static struct dentry *gfs2_mount_meta(struct file_system_type *fs_type, dev_name, error); return ERR_PTR(error); } - s = sget(&gfs2_fs_type, test_gfs2_super, set_meta_super, + s = sget(&gfs2_fs_type, test_gfs2_super, set_meta_super, flags, path.dentry->d_inode->i_sb->s_bdev); path_put(&path); if (IS_ERR(s)) { @@ -1390,10 +1402,9 @@ static void gfs2_kill_sb(struct super_block *sb) sdp->sd_root_dir = NULL; sdp->sd_master_dir = NULL; shrink_dcache_sb(sb); - kill_block_super(sb); gfs2_delete_debugfs_file(sdp); free_percpu(sdp->sd_lkstats); - kfree(sdp); + kill_block_super(sb); } struct file_system_type gfs2_fs_type = { diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index b97178e7d397..a3bde91645c2 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -494,11 +494,15 @@ static void qdsb_put(struct gfs2_quota_data *qd) int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct gfs2_qadata *qa = ip->i_qadata; - struct gfs2_quota_data **qd = qa->qa_qd; + struct gfs2_quota_data **qd; int error; - if (gfs2_assert_warn(sdp, !qa->qa_qd_num) || + if (ip->i_res == NULL) + gfs2_rs_alloc(ip); + + qd = ip->i_res->rs_qa_qd; + + if (gfs2_assert_warn(sdp, !ip->i_res->rs_qa_qd_num) || gfs2_assert_warn(sdp, !test_bit(GIF_QD_LOCKED, &ip->i_flags))) return -EIO; @@ -508,20 +512,20 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid) error = qdsb_get(sdp, QUOTA_USER, ip->i_inode.i_uid, qd); if (error) goto out; - qa->qa_qd_num++; + ip->i_res->rs_qa_qd_num++; qd++; error = qdsb_get(sdp, QUOTA_GROUP, ip->i_inode.i_gid, qd); if (error) goto out; - qa->qa_qd_num++; + ip->i_res->rs_qa_qd_num++; qd++; if (uid != NO_QUOTA_CHANGE && uid != ip->i_inode.i_uid) { error = qdsb_get(sdp, QUOTA_USER, uid, qd); if (error) goto out; - qa->qa_qd_num++; + ip->i_res->rs_qa_qd_num++; qd++; } @@ -529,7 +533,7 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid) error = qdsb_get(sdp, QUOTA_GROUP, gid, qd); if (error) goto out; - qa->qa_qd_num++; + ip->i_res->rs_qa_qd_num++; qd++; } @@ -542,16 +546,17 @@ out: void gfs2_quota_unhold(struct gfs2_inode *ip) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct gfs2_qadata *qa = ip->i_qadata; unsigned int x; + if (ip->i_res == NULL) + return; gfs2_assert_warn(sdp, !test_bit(GIF_QD_LOCKED, &ip->i_flags)); - for (x = 0; x < qa->qa_qd_num; x++) { - qdsb_put(qa->qa_qd[x]); - qa->qa_qd[x] = NULL; + for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) { + qdsb_put(ip->i_res->rs_qa_qd[x]); + ip->i_res->rs_qa_qd[x] = NULL; } - qa->qa_qd_num = 0; + ip->i_res->rs_qa_qd_num = 0; } static int sort_qd(const void *a, const void *b) @@ -764,6 +769,10 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda) unsigned int nalloc = 0, blocks; int error; + error = gfs2_rs_alloc(ip); + if (error) + return error; + gfs2_write_calc_reserv(ip, sizeof(struct gfs2_quota), &data_blocks, &ind_blocks); @@ -915,7 +924,6 @@ fail: int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct gfs2_qadata *qa = ip->i_qadata; struct gfs2_quota_data *qd; unsigned int x; int error = 0; @@ -928,15 +936,15 @@ int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid) sdp->sd_args.ar_quota != GFS2_QUOTA_ON) return 0; - sort(qa->qa_qd, qa->qa_qd_num, sizeof(struct gfs2_quota_data *), - sort_qd, NULL); + sort(ip->i_res->rs_qa_qd, ip->i_res->rs_qa_qd_num, + sizeof(struct gfs2_quota_data *), sort_qd, NULL); - for (x = 0; x < qa->qa_qd_num; x++) { + for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) { int force = NO_FORCE; - qd = qa->qa_qd[x]; + qd = ip->i_res->rs_qa_qd[x]; if (test_and_clear_bit(QDF_REFRESH, &qd->qd_flags)) force = FORCE; - error = do_glock(qd, force, &qa->qa_qd_ghs[x]); + error = do_glock(qd, force, &ip->i_res->rs_qa_qd_ghs[x]); if (error) break; } @@ -945,7 +953,7 @@ int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid) set_bit(GIF_QD_LOCKED, &ip->i_flags); else { while (x--) - gfs2_glock_dq_uninit(&qa->qa_qd_ghs[x]); + gfs2_glock_dq_uninit(&ip->i_res->rs_qa_qd_ghs[x]); gfs2_quota_unhold(ip); } @@ -990,7 +998,6 @@ static int need_sync(struct gfs2_quota_data *qd) void gfs2_quota_unlock(struct gfs2_inode *ip) { - struct gfs2_qadata *qa = ip->i_qadata; struct gfs2_quota_data *qda[4]; unsigned int count = 0; unsigned int x; @@ -998,14 +1005,14 @@ void gfs2_quota_unlock(struct gfs2_inode *ip) if (!test_and_clear_bit(GIF_QD_LOCKED, &ip->i_flags)) goto out; - for (x = 0; x < qa->qa_qd_num; x++) { + for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) { struct gfs2_quota_data *qd; int sync; - qd = qa->qa_qd[x]; + qd = ip->i_res->rs_qa_qd[x]; sync = need_sync(qd); - gfs2_glock_dq_uninit(&qa->qa_qd_ghs[x]); + gfs2_glock_dq_uninit(&ip->i_res->rs_qa_qd_ghs[x]); if (sync && qd_trylock(qd)) qda[count++] = qd; @@ -1038,7 +1045,6 @@ static int print_message(struct gfs2_quota_data *qd, char *type) int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct gfs2_qadata *qa = ip->i_qadata; struct gfs2_quota_data *qd; s64 value; unsigned int x; @@ -1050,8 +1056,8 @@ int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid) if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON) return 0; - for (x = 0; x < qa->qa_qd_num; x++) { - qd = qa->qa_qd[x]; + for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) { + qd = ip->i_res->rs_qa_qd[x]; if (!((qd->qd_id == uid && test_bit(QDF_USER, &qd->qd_flags)) || (qd->qd_id == gid && !test_bit(QDF_USER, &qd->qd_flags)))) @@ -1089,7 +1095,6 @@ int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid) void gfs2_quota_change(struct gfs2_inode *ip, s64 change, u32 uid, u32 gid) { - struct gfs2_qadata *qa = ip->i_qadata; struct gfs2_quota_data *qd; unsigned int x; @@ -1098,8 +1103,8 @@ void gfs2_quota_change(struct gfs2_inode *ip, s64 change, if (ip->i_diskflags & GFS2_DIF_SYSTEM) return; - for (x = 0; x < qa->qa_qd_num; x++) { - qd = qa->qa_qd[x]; + for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) { + qd = ip->i_res->rs_qa_qd[x]; if ((qd->qd_id == uid && test_bit(QDF_USER, &qd->qd_flags)) || (qd->qd_id == gid && !test_bit(QDF_USER, &qd->qd_flags))) { @@ -1108,7 +1113,7 @@ void gfs2_quota_change(struct gfs2_inode *ip, s64 change, } } -int gfs2_quota_sync(struct super_block *sb, int type, int wait) +int gfs2_quota_sync(struct super_block *sb, int type) { struct gfs2_sbd *sdp = sb->s_fs_info; struct gfs2_quota_data **qda; @@ -1154,7 +1159,7 @@ int gfs2_quota_sync(struct super_block *sb, int type, int wait) static int gfs2_quota_sync_timeo(struct super_block *sb, int type) { - return gfs2_quota_sync(sb, type, 0); + return gfs2_quota_sync(sb, type); } int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id) @@ -1549,10 +1554,14 @@ static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id, if (error) return error; + error = gfs2_rs_alloc(ip); + if (error) + goto out_put; + mutex_lock(&ip->i_inode.i_mutex); error = gfs2_glock_nq_init(qd->qd_gl, LM_ST_EXCLUSIVE, 0, &q_gh); if (error) - goto out_put; + goto out_unlockput; error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &i_gh); if (error) goto out_q; @@ -1609,8 +1618,9 @@ out_i: gfs2_glock_dq_uninit(&i_gh); out_q: gfs2_glock_dq_uninit(&q_gh); -out_put: +out_unlockput: mutex_unlock(&ip->i_inode.i_mutex); +out_put: qd_put(qd); return error; } diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h index 90bf1c302a98..f25d98b87904 100644 --- a/fs/gfs2/quota.h +++ b/fs/gfs2/quota.h @@ -26,7 +26,7 @@ extern int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid); extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change, u32 uid, u32 gid); -extern int gfs2_quota_sync(struct super_block *sb, int type, int wait); +extern int gfs2_quota_sync(struct super_block *sb, int type); extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id); extern int gfs2_quota_init(struct gfs2_sbd *sdp); diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index f74fb9bd1973..4d34887a601d 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -35,6 +35,9 @@ #define BFITNOENT ((u32)~0) #define NO_BLOCK ((u64)~0) +#define RSRV_CONTENTION_FACTOR 4 +#define RGRP_RSRV_MAX_CONTENDERS 2 + #if BITS_PER_LONG == 32 #define LBITMASK (0x55555555UL) #define LBITSKIP55 (0x55555555UL) @@ -178,6 +181,57 @@ static inline u64 gfs2_bit_search(const __le64 *ptr, u64 mask, u8 state) } /** + * rs_cmp - multi-block reservation range compare + * @blk: absolute file system block number of the new reservation + * @len: number of blocks in the new reservation + * @rs: existing reservation to compare against + * + * returns: 1 if the block range is beyond the reach of the reservation + * -1 if the block range is before the start of the reservation + * 0 if the block range overlaps with the reservation + */ +static inline int rs_cmp(u64 blk, u32 len, struct gfs2_blkreserv *rs) +{ + u64 startblk = gfs2_rs_startblk(rs); + + if (blk >= startblk + rs->rs_free) + return 1; + if (blk + len - 1 < startblk) + return -1; + return 0; +} + +/** + * rs_find - Find a rgrp multi-block reservation that contains a given block + * @rgd: The rgrp + * @rgblk: The block we're looking for, relative to the rgrp + */ +static struct gfs2_blkreserv *rs_find(struct gfs2_rgrpd *rgd, u32 rgblk) +{ + struct rb_node **newn; + int rc; + u64 fsblk = rgblk + rgd->rd_data0; + + spin_lock(&rgd->rd_rsspin); + newn = &rgd->rd_rstree.rb_node; + while (*newn) { + struct gfs2_blkreserv *cur = + rb_entry(*newn, struct gfs2_blkreserv, rs_node); + rc = rs_cmp(fsblk, 1, cur); + if (rc < 0) + newn = &((*newn)->rb_left); + else if (rc > 0) + newn = &((*newn)->rb_right); + else { + spin_unlock(&rgd->rd_rsspin); + return cur; + } + } + spin_unlock(&rgd->rd_rsspin); + return NULL; +} + +/** * gfs2_bitfit - Search an rgrp's bitmap buffer to find a bit-pair representing * a block in a given allocation state. * @buf: the buffer that holds the bitmaps @@ -417,6 +471,137 @@ void gfs2_free_clones(struct gfs2_rgrpd *rgd) } } +/** + * gfs2_rs_alloc - make sure we have a reservation assigned to the inode + * @ip: the inode for this reservation + */ +int gfs2_rs_alloc(struct gfs2_inode *ip) +{ + int error = 0; + struct gfs2_blkreserv *res; + + if (ip->i_res) + return 0; + + res = kmem_cache_zalloc(gfs2_rsrv_cachep, GFP_NOFS); + if (!res) + error = -ENOMEM; + + down_write(&ip->i_rw_mutex); + if (ip->i_res) + kmem_cache_free(gfs2_rsrv_cachep, res); + else + ip->i_res = res; + up_write(&ip->i_rw_mutex); + return error; +} + +static void dump_rs(struct seq_file *seq, struct gfs2_blkreserv *rs) +{ + gfs2_print_dbg(seq, " r: %llu s:%llu b:%u f:%u\n", + rs->rs_rgd->rd_addr, gfs2_rs_startblk(rs), rs->rs_biblk, + rs->rs_free); +} + +/** + * __rs_deltree - remove a multi-block reservation from the rgd tree + * @rs: The reservation to remove + * + */ +static void __rs_deltree(struct gfs2_blkreserv *rs) +{ + struct gfs2_rgrpd *rgd; + + if (!gfs2_rs_active(rs)) + return; + + rgd = rs->rs_rgd; + /* We can't do this: The reason is that when the rgrp is invalidated, + it's in the "middle" of acquiring the glock, but the HOLDER bit + isn't set yet: + BUG_ON(!gfs2_glock_is_locked_by_me(rs->rs_rgd->rd_gl));*/ + trace_gfs2_rs(NULL, rs, TRACE_RS_TREEDEL); + + if (!RB_EMPTY_ROOT(&rgd->rd_rstree)) + rb_erase(&rs->rs_node, &rgd->rd_rstree); + BUG_ON(!rgd->rd_rs_cnt); + rgd->rd_rs_cnt--; + + if (rs->rs_free) { + /* return reserved blocks to the rgrp and the ip */ + BUG_ON(rs->rs_rgd->rd_reserved < rs->rs_free); + rs->rs_rgd->rd_reserved -= rs->rs_free; + rs->rs_free = 0; + clear_bit(GBF_FULL, &rs->rs_bi->bi_flags); + smp_mb__after_clear_bit(); + } + /* We can't change any of the step 1 or step 2 components of the rs. + E.g. We can't set rs_rgd to NULL because the rgd glock is held and + dequeued through this pointer. + Can't: atomic_set(&rs->rs_sizehint, 0); + Can't: rs->rs_requested = 0; + Can't: rs->rs_rgd = NULL;*/ + rs->rs_bi = NULL; + rs->rs_biblk = 0; +} + +/** + * gfs2_rs_deltree - remove a multi-block reservation from the rgd tree + * @rs: The reservation to remove + * + */ +void gfs2_rs_deltree(struct gfs2_blkreserv *rs) +{ + struct gfs2_rgrpd *rgd; + + if (!gfs2_rs_active(rs)) + return; + + rgd = rs->rs_rgd; + spin_lock(&rgd->rd_rsspin); + __rs_deltree(rs); + spin_unlock(&rgd->rd_rsspin); +} + +/** + * gfs2_rs_delete - delete a multi-block reservation + * @ip: The inode for this reservation + * + */ +void gfs2_rs_delete(struct gfs2_inode *ip) +{ + down_write(&ip->i_rw_mutex); + if (ip->i_res) { + gfs2_rs_deltree(ip->i_res); + trace_gfs2_rs(ip, ip->i_res, TRACE_RS_DELETE); + BUG_ON(ip->i_res->rs_free); + kmem_cache_free(gfs2_rsrv_cachep, ip->i_res); + ip->i_res = NULL; + } + up_write(&ip->i_rw_mutex); +} + +/** + * return_all_reservations - return all reserved blocks back to the rgrp. + * @rgd: the rgrp that needs its space back + * + * We previously reserved a bunch of blocks for allocation. Now we need to + * give them back. This leave the reservation structures in tact, but removes + * all of their corresponding "no-fly zones". + */ +static void return_all_reservations(struct gfs2_rgrpd *rgd) +{ + struct rb_node *n; + struct gfs2_blkreserv *rs; + + spin_lock(&rgd->rd_rsspin); + while ((n = rb_first(&rgd->rd_rstree))) { + rs = rb_entry(n, struct gfs2_blkreserv, rs_node); + __rs_deltree(rs); + } + spin_unlock(&rgd->rd_rsspin); +} + void gfs2_clear_rgrpd(struct gfs2_sbd *sdp) { struct rb_node *n; @@ -439,6 +624,7 @@ void gfs2_clear_rgrpd(struct gfs2_sbd *sdp) gfs2_free_clones(rgd); kfree(rgd->rd_bits); + return_all_reservations(rgd); kmem_cache_free(gfs2_rgrpd_cachep, rgd); } } @@ -616,6 +802,7 @@ static int read_rindex_entry(struct gfs2_inode *ip) rgd->rd_data0 = be64_to_cpu(buf.ri_data0); rgd->rd_data = be32_to_cpu(buf.ri_data); rgd->rd_bitbytes = be32_to_cpu(buf.ri_bitbytes); + spin_lock_init(&rgd->rd_rsspin); error = compute_bitstructs(rgd); if (error) @@ -627,6 +814,7 @@ static int read_rindex_entry(struct gfs2_inode *ip) goto fail; rgd->rd_gl->gl_object = rgd; + rgd->rd_rgl = (struct gfs2_rgrp_lvb *)rgd->rd_gl->gl_lvb; rgd->rd_flags &= ~GFS2_RDF_UPTODATE; if (rgd->rd_data > sdp->sd_max_rg_data) sdp->sd_max_rg_data = rgd->rd_data; @@ -736,9 +924,65 @@ static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf) memset(&str->rg_reserved, 0, sizeof(str->rg_reserved)); } +static int gfs2_rgrp_lvb_valid(struct gfs2_rgrpd *rgd) +{ + struct gfs2_rgrp_lvb *rgl = rgd->rd_rgl; + struct gfs2_rgrp *str = (struct gfs2_rgrp *)rgd->rd_bits[0].bi_bh->b_data; + + if (rgl->rl_flags != str->rg_flags || rgl->rl_free != str->rg_free || + rgl->rl_dinodes != str->rg_dinodes || + rgl->rl_igeneration != str->rg_igeneration) + return 0; + return 1; +} + +static void gfs2_rgrp_ondisk2lvb(struct gfs2_rgrp_lvb *rgl, const void *buf) +{ + const struct gfs2_rgrp *str = buf; + + rgl->rl_magic = cpu_to_be32(GFS2_MAGIC); + rgl->rl_flags = str->rg_flags; + rgl->rl_free = str->rg_free; + rgl->rl_dinodes = str->rg_dinodes; + rgl->rl_igeneration = str->rg_igeneration; + rgl->__pad = 0UL; +} + +static void update_rgrp_lvb_unlinked(struct gfs2_rgrpd *rgd, u32 change) +{ + struct gfs2_rgrp_lvb *rgl = rgd->rd_rgl; + u32 unlinked = be32_to_cpu(rgl->rl_unlinked) + change; + rgl->rl_unlinked = cpu_to_be32(unlinked); +} + +static u32 count_unlinked(struct gfs2_rgrpd *rgd) +{ + struct gfs2_bitmap *bi; + const u32 length = rgd->rd_length; + const u8 *buffer = NULL; + u32 i, goal, count = 0; + + for (i = 0, bi = rgd->rd_bits; i < length; i++, bi++) { + goal = 0; + buffer = bi->bi_bh->b_data + bi->bi_offset; + WARN_ON(!buffer_uptodate(bi->bi_bh)); + while (goal < bi->bi_len * GFS2_NBBY) { + goal = gfs2_bitfit(buffer, bi->bi_len, goal, + GFS2_BLKST_UNLINKED); + if (goal == BFITNOENT) + break; + count++; + goal++; + } + } + + return count; +} + + /** - * gfs2_rgrp_go_lock - Read in a RG's header and bitmaps - * @gh: The glock holder for the resource group + * gfs2_rgrp_bh_get - Read in a RG's header and bitmaps + * @rgd: the struct gfs2_rgrpd describing the RG to read in * * Read in all of a Resource Group's header and bitmap blocks. * Caller must eventually call gfs2_rgrp_relse() to free the bitmaps. @@ -746,9 +990,8 @@ static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf) * Returns: errno */ -int gfs2_rgrp_go_lock(struct gfs2_holder *gh) +int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd) { - struct gfs2_rgrpd *rgd = gh->gh_gl->gl_object; struct gfs2_sbd *sdp = rgd->rd_sbd; struct gfs2_glock *gl = rgd->rd_gl; unsigned int length = rgd->rd_length; @@ -756,6 +999,9 @@ int gfs2_rgrp_go_lock(struct gfs2_holder *gh) unsigned int x, y; int error; + if (rgd->rd_bits[0].bi_bh != NULL) + return 0; + for (x = 0; x < length; x++) { bi = rgd->rd_bits + x; error = gfs2_meta_read(gl, rgd->rd_addr + x, 0, &bi->bi_bh); @@ -782,7 +1028,20 @@ int gfs2_rgrp_go_lock(struct gfs2_holder *gh) rgd->rd_flags |= (GFS2_RDF_UPTODATE | GFS2_RDF_CHECK); rgd->rd_free_clone = rgd->rd_free; } - + if (be32_to_cpu(GFS2_MAGIC) != rgd->rd_rgl->rl_magic) { + rgd->rd_rgl->rl_unlinked = cpu_to_be32(count_unlinked(rgd)); + gfs2_rgrp_ondisk2lvb(rgd->rd_rgl, + rgd->rd_bits[0].bi_bh->b_data); + } + else if (sdp->sd_args.ar_rgrplvb) { + if (!gfs2_rgrp_lvb_valid(rgd)){ + gfs2_consist_rgrpd(rgd); + error = -EIO; + goto fail; + } + if (rgd->rd_rgl->rl_unlinked == 0) + rgd->rd_flags &= ~GFS2_RDF_CHECK; + } return 0; fail: @@ -796,6 +1055,39 @@ fail: return error; } +int update_rgrp_lvb(struct gfs2_rgrpd *rgd) +{ + u32 rl_flags; + + if (rgd->rd_flags & GFS2_RDF_UPTODATE) + return 0; + + if (be32_to_cpu(GFS2_MAGIC) != rgd->rd_rgl->rl_magic) + return gfs2_rgrp_bh_get(rgd); + + rl_flags = be32_to_cpu(rgd->rd_rgl->rl_flags); + rl_flags &= ~GFS2_RDF_MASK; + rgd->rd_flags &= GFS2_RDF_MASK; + rgd->rd_flags |= (rl_flags | GFS2_RDF_UPTODATE | GFS2_RDF_CHECK); + if (rgd->rd_rgl->rl_unlinked == 0) + rgd->rd_flags &= ~GFS2_RDF_CHECK; + rgd->rd_free = be32_to_cpu(rgd->rd_rgl->rl_free); + rgd->rd_free_clone = rgd->rd_free; + rgd->rd_dinodes = be32_to_cpu(rgd->rd_rgl->rl_dinodes); + rgd->rd_igeneration = be64_to_cpu(rgd->rd_rgl->rl_igeneration); + return 0; +} + +int gfs2_rgrp_go_lock(struct gfs2_holder *gh) +{ + struct gfs2_rgrpd *rgd = gh->gh_gl->gl_object; + struct gfs2_sbd *sdp = rgd->rd_sbd; + + if (gh->gh_flags & GL_SKIP && sdp->sd_args.ar_rgrplvb) + return 0; + return gfs2_rgrp_bh_get((struct gfs2_rgrpd *)gh->gh_gl->gl_object); +} + /** * gfs2_rgrp_go_unlock - Release RG bitmaps read in with gfs2_rgrp_bh_get() * @gh: The glock holder for the resource group @@ -809,8 +1101,10 @@ void gfs2_rgrp_go_unlock(struct gfs2_holder *gh) for (x = 0; x < length; x++) { struct gfs2_bitmap *bi = rgd->rd_bits + x; - brelse(bi->bi_bh); - bi->bi_bh = NULL; + if (bi->bi_bh) { + brelse(bi->bi_bh); + bi->bi_bh = NULL; + } } } @@ -954,6 +1248,7 @@ int gfs2_fitrim(struct file *filp, void __user *argp) rgd->rd_flags |= GFS2_RGF_TRIMMED; gfs2_trans_add_bh(rgd->rd_gl, bh, 1); gfs2_rgrp_out(rgd, bh->b_data); + gfs2_rgrp_ondisk2lvb(rgd->rd_rgl, bh->b_data); gfs2_trans_end(sdp); } } @@ -974,38 +1269,184 @@ out: } /** - * gfs2_qadata_get - get the struct gfs2_qadata structure for an inode - * @ip: the incore GFS2 inode structure + * rs_insert - insert a new multi-block reservation into the rgrp's rb_tree + * @bi: the bitmap with the blocks + * @ip: the inode structure + * @biblk: the 32-bit block number relative to the start of the bitmap + * @amount: the number of blocks to reserve * - * Returns: the struct gfs2_qadata + * Returns: NULL - reservation was already taken, so not inserted + * pointer to the inserted reservation */ +static struct gfs2_blkreserv *rs_insert(struct gfs2_bitmap *bi, + struct gfs2_inode *ip, u32 biblk, + int amount) +{ + struct rb_node **newn, *parent = NULL; + int rc; + struct gfs2_blkreserv *rs = ip->i_res; + struct gfs2_rgrpd *rgd = rs->rs_rgd; + u64 fsblock = gfs2_bi2rgd_blk(bi, biblk) + rgd->rd_data0; -struct gfs2_qadata *gfs2_qadata_get(struct gfs2_inode *ip) + spin_lock(&rgd->rd_rsspin); + newn = &rgd->rd_rstree.rb_node; + BUG_ON(!ip->i_res); + BUG_ON(gfs2_rs_active(rs)); + /* Figure out where to put new node */ + /*BUG_ON(!gfs2_glock_is_locked_by_me(rgd->rd_gl));*/ + while (*newn) { + struct gfs2_blkreserv *cur = + rb_entry(*newn, struct gfs2_blkreserv, rs_node); + + parent = *newn; + rc = rs_cmp(fsblock, amount, cur); + if (rc > 0) + newn = &((*newn)->rb_right); + else if (rc < 0) + newn = &((*newn)->rb_left); + else { + spin_unlock(&rgd->rd_rsspin); + return NULL; /* reservation already in use */ + } + } + + /* Do our reservation work */ + rs = ip->i_res; + rs->rs_free = amount; + rs->rs_biblk = biblk; + rs->rs_bi = bi; + rb_link_node(&rs->rs_node, parent, newn); + rb_insert_color(&rs->rs_node, &rgd->rd_rstree); + + /* Do our inode accounting for the reservation */ + /*BUG_ON(!gfs2_glock_is_locked_by_me(ip->i_gl));*/ + + /* Do our rgrp accounting for the reservation */ + rgd->rd_reserved += amount; /* blocks reserved */ + rgd->rd_rs_cnt++; /* number of in-tree reservations */ + spin_unlock(&rgd->rd_rsspin); + trace_gfs2_rs(ip, rs, TRACE_RS_INSERT); + return rs; +} + +/** + * unclaimed_blocks - return number of blocks that aren't spoken for + */ +static u32 unclaimed_blocks(struct gfs2_rgrpd *rgd) { - struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - int error; - BUG_ON(ip->i_qadata != NULL); - ip->i_qadata = kzalloc(sizeof(struct gfs2_qadata), GFP_NOFS); - error = gfs2_rindex_update(sdp); - if (error) - fs_warn(sdp, "rindex update returns %d\n", error); - return ip->i_qadata; + return rgd->rd_free_clone - rgd->rd_reserved; } /** - * gfs2_blkrsv_get - get the struct gfs2_blkreserv structure for an inode - * @ip: the incore GFS2 inode structure + * rg_mblk_search - find a group of multiple free blocks + * @rgd: the resource group descriptor + * @rs: the block reservation + * @ip: pointer to the inode for which we're reserving blocks * - * Returns: the struct gfs2_qadata + * This is very similar to rgblk_search, except we're looking for whole + * 64-bit words that represent a chunk of 32 free blocks. I'm only focusing + * on aligned dwords for speed's sake. + * + * Returns: 0 if successful or BFITNOENT if there isn't enough free space */ -static int gfs2_blkrsv_get(struct gfs2_inode *ip) +static int rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip) { - BUG_ON(ip->i_res != NULL); - ip->i_res = kmem_cache_zalloc(gfs2_rsrv_cachep, GFP_NOFS); - if (!ip->i_res) - return -ENOMEM; - return 0; + struct gfs2_bitmap *bi = rgd->rd_bits; + const u32 length = rgd->rd_length; + u32 blk; + unsigned int buf, x, search_bytes; + u8 *buffer = NULL; + u8 *ptr, *end, *nonzero; + u32 goal, rsv_bytes; + struct gfs2_blkreserv *rs; + u32 best_rs_bytes, unclaimed; + int best_rs_blocks; + + /* Find bitmap block that contains bits for goal block */ + if (rgrp_contains_block(rgd, ip->i_goal)) + goal = ip->i_goal - rgd->rd_data0; + else + goal = rgd->rd_last_alloc; + for (buf = 0; buf < length; buf++) { + bi = rgd->rd_bits + buf; + /* Convert scope of "goal" from rgrp-wide to within + found bit block */ + if (goal < (bi->bi_start + bi->bi_len) * GFS2_NBBY) { + goal -= bi->bi_start * GFS2_NBBY; + goto do_search; + } + } + buf = 0; + goal = 0; + +do_search: + best_rs_blocks = max_t(int, atomic_read(&ip->i_res->rs_sizehint), + (RGRP_RSRV_MINBLKS * rgd->rd_length)); + best_rs_bytes = (best_rs_blocks * + (1 + (RSRV_CONTENTION_FACTOR * rgd->rd_rs_cnt))) / + GFS2_NBBY; /* 1 + is for our not-yet-created reservation */ + best_rs_bytes = ALIGN(best_rs_bytes, sizeof(u64)); + unclaimed = unclaimed_blocks(rgd); + if (best_rs_bytes * GFS2_NBBY > unclaimed) + best_rs_bytes = unclaimed >> GFS2_BIT_SIZE; + + for (x = 0; x <= length; x++) { + bi = rgd->rd_bits + buf; + + if (test_bit(GBF_FULL, &bi->bi_flags)) + goto skip; + + WARN_ON(!buffer_uptodate(bi->bi_bh)); + if (bi->bi_clone) + buffer = bi->bi_clone + bi->bi_offset; + else + buffer = bi->bi_bh->b_data + bi->bi_offset; + + /* We have to keep the reservations aligned on u64 boundaries + otherwise we could get situations where a byte can't be + used because it's after a reservation, but a free bit still + is within the reservation's area. */ + ptr = buffer + ALIGN(goal >> GFS2_BIT_SIZE, sizeof(u64)); + end = (buffer + bi->bi_len); + while (ptr < end) { + rsv_bytes = 0; + if ((ptr + best_rs_bytes) <= end) + search_bytes = best_rs_bytes; + else + search_bytes = end - ptr; + BUG_ON(!search_bytes); + nonzero = memchr_inv(ptr, 0, search_bytes); + /* If the lot is all zeroes, reserve the whole size. If + there's enough zeroes to satisfy the request, use + what we can. If there's not enough, keep looking. */ + if (nonzero == NULL) + rsv_bytes = search_bytes; + else if ((nonzero - ptr) * GFS2_NBBY >= + ip->i_res->rs_requested) + rsv_bytes = (nonzero - ptr); + + if (rsv_bytes) { + blk = ((ptr - buffer) * GFS2_NBBY); + BUG_ON(blk >= bi->bi_len * GFS2_NBBY); + rs = rs_insert(bi, ip, blk, + rsv_bytes * GFS2_NBBY); + if (IS_ERR(rs)) + return PTR_ERR(rs); + if (rs) + return 0; + } + ptr += ALIGN(search_bytes, sizeof(u64)); + } +skip: + /* Try next bitmap block (wrap back to rgrp header + if at end) */ + buf++; + buf %= length; + goal = 0; + } + + return BFITNOENT; } /** @@ -1014,24 +1455,26 @@ static int gfs2_blkrsv_get(struct gfs2_inode *ip) * @ip: the inode * * If there's room for the requested blocks to be allocated from the RG: + * This will try to get a multi-block reservation first, and if that doesn't + * fit, it will take what it can. * * Returns: 1 on success (it fits), 0 on failure (it doesn't fit) */ -static int try_rgrp_fit(const struct gfs2_rgrpd *rgd, const struct gfs2_inode *ip) +static int try_rgrp_fit(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip) { - const struct gfs2_blkreserv *rs = ip->i_res; + struct gfs2_blkreserv *rs = ip->i_res; if (rgd->rd_flags & (GFS2_RGF_NOALLOC | GFS2_RDF_ERROR)) return 0; - if (rgd->rd_free_clone >= rs->rs_requested) + /* Look for a multi-block reservation. */ + if (unclaimed_blocks(rgd) >= RGRP_RSRV_MINBLKS && + rg_mblk_search(rgd, ip) != BFITNOENT) + return 1; + if (unclaimed_blocks(rgd) >= rs->rs_requested) return 1; - return 0; -} -static inline u32 gfs2_bi2rgd_blk(struct gfs2_bitmap *bi, u32 blk) -{ - return (bi->bi_start * GFS2_NBBY) + blk; + return 0; } /** @@ -1101,119 +1544,120 @@ static void try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, u64 skip } /** - * get_local_rgrp - Choose and lock a rgrp for allocation + * gfs2_inplace_reserve - Reserve space in the filesystem * @ip: the inode to reserve space for - * @last_unlinked: the last unlinked block - * - * Try to acquire rgrp in way which avoids contending with others. + * @requested: the number of blocks to be reserved * * Returns: errno */ -static int get_local_rgrp(struct gfs2_inode *ip, u64 *last_unlinked) +int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct gfs2_rgrpd *rgd, *begin = NULL; + struct gfs2_rgrpd *begin = NULL; struct gfs2_blkreserv *rs = ip->i_res; - int error, rg_locked, flags = LM_FLAG_TRY; + int error = 0, rg_locked, flags = LM_FLAG_TRY; + u64 last_unlinked = NO_BLOCK; int loops = 0; - if (ip->i_rgd && rgrp_contains_block(ip->i_rgd, ip->i_goal)) - rgd = begin = ip->i_rgd; - else - rgd = begin = gfs2_blk2rgrpd(sdp, ip->i_goal, 1); - - if (rgd == NULL) + if (sdp->sd_args.ar_rgrplvb) + flags |= GL_SKIP; + rs->rs_requested = requested; + if (gfs2_assert_warn(sdp, requested)) { + error = -EINVAL; + goto out; + } + if (gfs2_rs_active(rs)) { + begin = rs->rs_rgd; + flags = 0; /* Yoda: Do or do not. There is no try */ + } else if (ip->i_rgd && rgrp_contains_block(ip->i_rgd, ip->i_goal)) { + rs->rs_rgd = begin = ip->i_rgd; + } else { + rs->rs_rgd = begin = gfs2_blk2rgrpd(sdp, ip->i_goal, 1); + } + if (rs->rs_rgd == NULL) return -EBADSLT; while (loops < 3) { rg_locked = 0; - if (gfs2_glock_is_locked_by_me(rgd->rd_gl)) { + if (gfs2_glock_is_locked_by_me(rs->rs_rgd->rd_gl)) { rg_locked = 1; error = 0; + } else if (!loops && !gfs2_rs_active(rs) && + rs->rs_rgd->rd_rs_cnt > RGRP_RSRV_MAX_CONTENDERS) { + /* If the rgrp already is maxed out for contenders, + we can eliminate it as a "first pass" without even + requesting the rgrp glock. */ + error = GLR_TRYFAILED; } else { - error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE, - flags, &rs->rs_rgd_gh); + error = gfs2_glock_nq_init(rs->rs_rgd->rd_gl, + LM_ST_EXCLUSIVE, flags, + &rs->rs_rgd_gh); + if (!error && sdp->sd_args.ar_rgrplvb) { + error = update_rgrp_lvb(rs->rs_rgd); + if (error) { + gfs2_glock_dq_uninit(&rs->rs_rgd_gh); + return error; + } + } } switch (error) { case 0: - if (try_rgrp_fit(rgd, ip)) { - ip->i_rgd = rgd; + if (gfs2_rs_active(rs)) { + if (unclaimed_blocks(rs->rs_rgd) + + rs->rs_free >= rs->rs_requested) { + ip->i_rgd = rs->rs_rgd; + return 0; + } + /* We have a multi-block reservation, but the + rgrp doesn't have enough free blocks to + satisfy the request. Free the reservation + and look for a suitable rgrp. */ + gfs2_rs_deltree(rs); + } + if (try_rgrp_fit(rs->rs_rgd, ip)) { + if (sdp->sd_args.ar_rgrplvb) + gfs2_rgrp_bh_get(rs->rs_rgd); + ip->i_rgd = rs->rs_rgd; return 0; } - if (rgd->rd_flags & GFS2_RDF_CHECK) - try_rgrp_unlink(rgd, last_unlinked, ip->i_no_addr); + if (rs->rs_rgd->rd_flags & GFS2_RDF_CHECK) { + if (sdp->sd_args.ar_rgrplvb) + gfs2_rgrp_bh_get(rs->rs_rgd); + try_rgrp_unlink(rs->rs_rgd, &last_unlinked, + ip->i_no_addr); + } if (!rg_locked) gfs2_glock_dq_uninit(&rs->rs_rgd_gh); /* fall through */ case GLR_TRYFAILED: - rgd = gfs2_rgrpd_get_next(rgd); - if (rgd == begin) { - flags = 0; - loops++; - } + rs->rs_rgd = gfs2_rgrpd_get_next(rs->rs_rgd); + rs->rs_rgd = rs->rs_rgd ? : begin; /* if NULL, wrap */ + if (rs->rs_rgd != begin) /* If we didn't wrap */ + break; + + flags &= ~LM_FLAG_TRY; + loops++; + /* Check that fs hasn't grown if writing to rindex */ + if (ip == GFS2_I(sdp->sd_rindex) && + !sdp->sd_rindex_uptodate) { + error = gfs2_ri_update(ip); + if (error) + goto out; + } else if (loops == 2) + /* Flushing the log may release space */ + gfs2_log_flush(sdp, NULL); break; default: - return error; + goto out; } } - - return -ENOSPC; -} - -static void gfs2_blkrsv_put(struct gfs2_inode *ip) -{ - BUG_ON(ip->i_res == NULL); - kmem_cache_free(gfs2_rsrv_cachep, ip->i_res); - ip->i_res = NULL; -} - -/** - * gfs2_inplace_reserve - Reserve space in the filesystem - * @ip: the inode to reserve space for - * @requested: the number of blocks to be reserved - * - * Returns: errno - */ - -int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested) -{ - struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct gfs2_blkreserv *rs; - int error; - u64 last_unlinked = NO_BLOCK; - int tries = 0; - - error = gfs2_blkrsv_get(ip); - if (error) - return error; - - rs = ip->i_res; - rs->rs_requested = requested; - if (gfs2_assert_warn(sdp, requested)) { - error = -EINVAL; - goto out; - } - - do { - error = get_local_rgrp(ip, &last_unlinked); - if (error != -ENOSPC) - break; - /* Check that fs hasn't grown if writing to rindex */ - if (ip == GFS2_I(sdp->sd_rindex) && !sdp->sd_rindex_uptodate) { - error = gfs2_ri_update(ip); - if (error) - break; - continue; - } - /* Flushing the log may release space */ - gfs2_log_flush(sdp, NULL); - } while (tries++ < 3); + error = -ENOSPC; out: if (error) - gfs2_blkrsv_put(ip); + rs->rs_requested = 0; return error; } @@ -1228,9 +1672,15 @@ void gfs2_inplace_release(struct gfs2_inode *ip) { struct gfs2_blkreserv *rs = ip->i_res; + if (!rs) + return; + + if (!rs->rs_free) + gfs2_rs_deltree(rs); + if (rs->rs_rgd_gh.gh_gl) gfs2_glock_dq_uninit(&rs->rs_rgd_gh); - gfs2_blkrsv_put(ip); + rs->rs_requested = 0; } /** @@ -1326,7 +1776,27 @@ do_search: if (state != GFS2_BLKST_UNLINKED && bi->bi_clone) buffer = bi->bi_clone + bi->bi_offset; - biblk = gfs2_bitfit(buffer, bi->bi_len, goal, state); + while (1) { + struct gfs2_blkreserv *rs; + u32 rgblk; + + biblk = gfs2_bitfit(buffer, bi->bi_len, goal, state); + if (biblk == BFITNOENT) + break; + /* Check if this block is reserved() */ + rgblk = gfs2_bi2rgd_blk(bi, biblk); + rs = rs_find(rgd, rgblk); + if (rs == NULL) + break; + + BUG_ON(rs->rs_bi != bi); + biblk = BFITNOENT; + /* This should jump to the first block after the + reservation. */ + goal = rs->rs_biblk + rs->rs_free; + if (goal >= bi->bi_len * GFS2_NBBY) + break; + } if (biblk != BFITNOENT) break; @@ -1362,8 +1832,9 @@ static u64 gfs2_alloc_extent(struct gfs2_rgrpd *rgd, struct gfs2_bitmap *bi, u32 blk, bool dinode, unsigned int *n) { const unsigned int elen = *n; - u32 goal; + u32 goal, rgblk; const u8 *buffer = NULL; + struct gfs2_blkreserv *rs; *n = 0; buffer = bi->bi_bh->b_data + bi->bi_offset; @@ -1376,6 +1847,10 @@ static u64 gfs2_alloc_extent(struct gfs2_rgrpd *rgd, struct gfs2_bitmap *bi, goal++; if (goal >= (bi->bi_len * GFS2_NBBY)) break; + rgblk = gfs2_bi2rgd_blk(bi, goal); + rs = rs_find(rgd, rgblk); + if (rs) /* Oops, we bumped into someone's reservation */ + break; if (gfs2_testbit(rgd, buffer, bi->bi_len, goal) != GFS2_BLKST_FREE) break; @@ -1451,12 +1926,22 @@ static struct gfs2_rgrpd *rgblk_free(struct gfs2_sbd *sdp, u64 bstart, int gfs2_rgrp_dump(struct seq_file *seq, const struct gfs2_glock *gl) { - const struct gfs2_rgrpd *rgd = gl->gl_object; + struct gfs2_rgrpd *rgd = gl->gl_object; + struct gfs2_blkreserv *trs; + const struct rb_node *n; + if (rgd == NULL) return 0; - gfs2_print_dbg(seq, " R: n:%llu f:%02x b:%u/%u i:%u\n", + gfs2_print_dbg(seq, " R: n:%llu f:%02x b:%u/%u i:%u r:%u\n", (unsigned long long)rgd->rd_addr, rgd->rd_flags, - rgd->rd_free, rgd->rd_free_clone, rgd->rd_dinodes); + rgd->rd_free, rgd->rd_free_clone, rgd->rd_dinodes, + rgd->rd_reserved); + spin_lock(&rgd->rd_rsspin); + for (n = rb_first(&rgd->rd_rstree); n; n = rb_next(&trs->rs_node)) { + trs = rb_entry(n, struct gfs2_blkreserv, rs_node); + dump_rs(seq, trs); + } + spin_unlock(&rgd->rd_rsspin); return 0; } @@ -1471,10 +1956,63 @@ static void gfs2_rgrp_error(struct gfs2_rgrpd *rgd) } /** + * claim_reserved_blks - Claim previously reserved blocks + * @ip: the inode that's claiming the reservation + * @dinode: 1 if this block is a dinode block, otherwise data block + * @nblocks: desired extent length + * + * Lay claim to previously allocated block reservation blocks. + * Returns: Starting block number of the blocks claimed. + * Sets *nblocks to the actual extent length allocated. + */ +static u64 claim_reserved_blks(struct gfs2_inode *ip, bool dinode, + unsigned int *nblocks) +{ + struct gfs2_blkreserv *rs = ip->i_res; + struct gfs2_rgrpd *rgd = rs->rs_rgd; + struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); + struct gfs2_bitmap *bi; + u64 start_block = gfs2_rs_startblk(rs); + const unsigned int elen = *nblocks; + + /*BUG_ON(!gfs2_glock_is_locked_by_me(ip->i_gl));*/ + gfs2_assert_withdraw(sdp, rgd); + /*BUG_ON(!gfs2_glock_is_locked_by_me(rgd->rd_gl));*/ + bi = rs->rs_bi; + gfs2_trans_add_bh(rgd->rd_gl, bi->bi_bh, 1); + + for (*nblocks = 0; *nblocks < elen && rs->rs_free; (*nblocks)++) { + /* Make sure the bitmap hasn't changed */ + gfs2_setbit(rgd, bi->bi_clone, bi, rs->rs_biblk, + dinode ? GFS2_BLKST_DINODE : GFS2_BLKST_USED); + rs->rs_biblk++; + rs->rs_free--; + + BUG_ON(!rgd->rd_reserved); + rgd->rd_reserved--; + dinode = false; + trace_gfs2_rs(ip, rs, TRACE_RS_CLAIM); + } + + if (!rs->rs_free) { + struct gfs2_rgrpd *rgd = ip->i_res->rs_rgd; + + gfs2_rs_deltree(rs); + /* -nblocks because we haven't returned to do the math yet. + I'm doing the math backwards to prevent negative numbers, + but think of it as: + if (unclaimed_blocks(rgd) - *nblocks >= RGRP_RSRV_MINBLKS */ + if (unclaimed_blocks(rgd) >= RGRP_RSRV_MINBLKS + *nblocks) + rg_mblk_search(rgd, ip); + } + return start_block; +} + +/** * gfs2_alloc_blocks - Allocate one or more blocks of data and/or a dinode * @ip: the inode to allocate the block for * @bn: Used to return the starting block number - * @ndata: requested number of blocks/extent length (value/result) + * @nblocks: requested number of blocks/extent length (value/result) * @dinode: 1 if we're allocating a dinode block, else 0 * @generation: the generation number of the inode * @@ -1496,23 +2034,37 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks, /* Only happens if there is a bug in gfs2, return something distinctive * to ensure that it is noticed. */ - if (ip->i_res == NULL) + if (ip->i_res->rs_requested == 0) return -ECANCELED; - rgd = ip->i_rgd; - - if (!dinode && rgrp_contains_block(rgd, ip->i_goal)) - goal = ip->i_goal - rgd->rd_data0; - else - goal = rgd->rd_last_alloc; - - blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, &bi); + /* Check if we have a multi-block reservation, and if so, claim the + next free block from it. */ + if (gfs2_rs_active(ip->i_res)) { + BUG_ON(!ip->i_res->rs_free); + rgd = ip->i_res->rs_rgd; + block = claim_reserved_blks(ip, dinode, nblocks); + } else { + rgd = ip->i_rgd; - /* Since all blocks are reserved in advance, this shouldn't happen */ - if (blk == BFITNOENT) - goto rgrp_error; + if (!dinode && rgrp_contains_block(rgd, ip->i_goal)) + goal = ip->i_goal - rgd->rd_data0; + else + goal = rgd->rd_last_alloc; + + blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, &bi); + + /* Since all blocks are reserved in advance, this shouldn't + happen */ + if (blk == BFITNOENT) { + printk(KERN_WARNING "BFITNOENT, nblocks=%u\n", + *nblocks); + printk(KERN_WARNING "FULL=%d\n", + test_bit(GBF_FULL, &rgd->rd_bits->bi_flags)); + goto rgrp_error; + } - block = gfs2_alloc_extent(rgd, bi, blk, dinode, nblocks); + block = gfs2_alloc_extent(rgd, bi, blk, dinode, nblocks); + } ndata = *nblocks; if (dinode) ndata--; @@ -1529,8 +2081,10 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks, brelse(dibh); } } - if (rgd->rd_free < *nblocks) + if (rgd->rd_free < *nblocks) { + printk(KERN_WARNING "nblocks=%u\n", *nblocks); goto rgrp_error; + } rgd->rd_free -= *nblocks; if (dinode) { @@ -1542,6 +2096,7 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks, gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); + gfs2_rgrp_ondisk2lvb(rgd->rd_rgl, rgd->rd_bits[0].bi_bh->b_data); gfs2_statfs_change(sdp, 0, -(s64)*nblocks, dinode ? 1 : 0); if (dinode) @@ -1588,6 +2143,7 @@ void __gfs2_free_blocks(struct gfs2_inode *ip, u64 bstart, u32 blen, int meta) rgd->rd_flags &= ~GFS2_RGF_TRIMMED; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); + gfs2_rgrp_ondisk2lvb(rgd->rd_rgl, rgd->rd_bits[0].bi_bh->b_data); /* Directories keep their data in the metadata address space */ if (meta || ip->i_depth) @@ -1624,6 +2180,8 @@ void gfs2_unlink_di(struct inode *inode) trace_gfs2_block_alloc(ip, rgd, blkno, 1, GFS2_BLKST_UNLINKED); gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); + gfs2_rgrp_ondisk2lvb(rgd->rd_rgl, rgd->rd_bits[0].bi_bh->b_data); + update_rgrp_lvb_unlinked(rgd, 1); } static void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, u64 blkno) @@ -1643,6 +2201,8 @@ static void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, u64 blkno) gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); + gfs2_rgrp_ondisk2lvb(rgd->rd_rgl, rgd->rd_bits[0].bi_bh->b_data); + update_rgrp_lvb_unlinked(rgd, -1); gfs2_statfs_change(sdp, 0, +1, -1); } @@ -1784,6 +2344,7 @@ void gfs2_rlist_free(struct gfs2_rgrp_list *rlist) for (x = 0; x < rlist->rl_rgrps; x++) gfs2_holder_uninit(&rlist->rl_ghs[x]); kfree(rlist->rl_ghs); + rlist->rl_ghs = NULL; } } diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h index b4b10f4de25f..ca6e26729b86 100644 --- a/fs/gfs2/rgrp.h +++ b/fs/gfs2/rgrp.h @@ -13,6 +13,14 @@ #include <linux/slab.h> #include <linux/uaccess.h> +/* Since each block in the file system is represented by two bits in the + * bitmap, one 64-bit word in the bitmap will represent 32 blocks. + * By reserving 32 blocks at a time, we can optimize / shortcut how we search + * through the bitmaps by looking a word at a time. + */ +#define RGRP_RSRV_MINBYTES 8 +#define RGRP_RSRV_MINBLKS ((u32)(RGRP_RSRV_MINBYTES * GFS2_NBBY)) + struct gfs2_rgrpd; struct gfs2_sbd; struct gfs2_holder; @@ -29,13 +37,7 @@ extern void gfs2_free_clones(struct gfs2_rgrpd *rgd); extern int gfs2_rgrp_go_lock(struct gfs2_holder *gh); extern void gfs2_rgrp_go_unlock(struct gfs2_holder *gh); -extern struct gfs2_qadata *gfs2_qadata_get(struct gfs2_inode *ip); -static inline void gfs2_qadata_put(struct gfs2_inode *ip) -{ - BUG_ON(ip->i_qadata == NULL); - kfree(ip->i_qadata); - ip->i_qadata = NULL; -} +extern struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip); extern int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested); extern void gfs2_inplace_release(struct gfs2_inode *ip); @@ -43,6 +45,9 @@ extern void gfs2_inplace_release(struct gfs2_inode *ip); extern int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *n, bool dinode, u64 *generation); +extern int gfs2_rs_alloc(struct gfs2_inode *ip); +extern void gfs2_rs_deltree(struct gfs2_blkreserv *rs); +extern void gfs2_rs_delete(struct gfs2_inode *ip); extern void __gfs2_free_blocks(struct gfs2_inode *ip, u64 bstart, u32 blen, int meta); extern void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen); extern void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip); @@ -68,4 +73,30 @@ extern int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset, const struct gfs2_bitmap *bi, unsigned minlen, u64 *ptrimmed); extern int gfs2_fitrim(struct file *filp, void __user *argp); +/* This is how to tell if a multi-block reservation is "inplace" reserved: */ +static inline int gfs2_mb_reserved(struct gfs2_inode *ip) +{ + if (ip->i_res && ip->i_res->rs_requested) + return 1; + return 0; +} + +/* This is how to tell if a multi-block reservation is in the rgrp tree: */ +static inline int gfs2_rs_active(struct gfs2_blkreserv *rs) +{ + if (rs && rs->rs_bi) + return 1; + return 0; +} + +static inline u32 gfs2_bi2rgd_blk(const struct gfs2_bitmap *bi, u32 blk) +{ + return (bi->bi_start * GFS2_NBBY) + blk; +} + +static inline u64 gfs2_rs_startblk(const struct gfs2_blkreserv *rs) +{ + return gfs2_bi2rgd_blk(rs->rs_bi, rs->rs_biblk) + rs->rs_rgd->rd_data0; +} + #endif /* __RGRP_DOT_H__ */ diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index 713e621c240b..fc3168f47a14 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -78,6 +78,8 @@ enum { Opt_quota_quantum, Opt_barrier, Opt_nobarrier, + Opt_rgrplvb, + Opt_norgrplvb, Opt_error, }; @@ -115,6 +117,8 @@ static const match_table_t tokens = { {Opt_quota_quantum, "quota_quantum=%d"}, {Opt_barrier, "barrier"}, {Opt_nobarrier, "nobarrier"}, + {Opt_rgrplvb, "rgrplvb"}, + {Opt_norgrplvb, "norgrplvb"}, {Opt_error, NULL} }; @@ -267,6 +271,12 @@ int gfs2_mount_args(struct gfs2_args *args, char *options) case Opt_nobarrier: args->ar_nobarrier = 1; break; + case Opt_rgrplvb: + args->ar_rgrplvb = 1; + break; + case Opt_norgrplvb: + args->ar_rgrplvb = 0; + break; case Opt_error: default: printk(KERN_WARNING "GFS2: invalid mount option: %s\n", o); @@ -838,7 +848,7 @@ static int gfs2_make_fs_ro(struct gfs2_sbd *sdp) int error; flush_workqueue(gfs2_delete_workqueue); - gfs2_quota_sync(sdp->sd_vfs, 0, 1); + gfs2_quota_sync(sdp->sd_vfs, 0); gfs2_statfs_sync(sdp->sd_vfs, 0); error = gfs2_glock_nq_init(sdp->sd_trans_gl, LM_ST_SHARED, GL_NOCACHE, @@ -952,6 +962,8 @@ restart: static int gfs2_sync_fs(struct super_block *sb, int wait) { struct gfs2_sbd *sdp = sb->s_fs_info; + + gfs2_quota_sync(sb, -1); if (wait && sdp) gfs2_log_flush(sdp, NULL); return 0; @@ -1379,6 +1391,8 @@ static int gfs2_show_options(struct seq_file *s, struct dentry *root) seq_printf(s, ",nobarrier"); if (test_bit(SDF_DEMOTE, &sdp->sd_flags)) seq_printf(s, ",demote_interface_used"); + if (args->ar_rgrplvb) + seq_printf(s, ",rgrplvb"); return 0; } @@ -1399,7 +1413,6 @@ static void gfs2_final_release_pages(struct gfs2_inode *ip) static int gfs2_dinode_dealloc(struct gfs2_inode *ip) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct gfs2_qadata *qa; struct gfs2_rgrpd *rgd; struct gfs2_holder gh; int error; @@ -1409,13 +1422,13 @@ static int gfs2_dinode_dealloc(struct gfs2_inode *ip) return -EIO; } - qa = gfs2_qadata_get(ip); - if (!qa) - return -ENOMEM; + error = gfs2_rindex_update(sdp); + if (error) + return error; error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); if (error) - goto out; + return error; rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr, 1); if (!rgd) { @@ -1443,8 +1456,6 @@ out_rg_gunlock: gfs2_glock_dq_uninit(&gh); out_qs: gfs2_quota_unhold(ip); -out: - gfs2_qadata_put(ip); return error; } @@ -1545,6 +1556,9 @@ out_truncate: out_unlock: /* Error path for case 1 */ + if (gfs2_rs_active(ip->i_res)) + gfs2_rs_deltree(ip->i_res); + if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags)) gfs2_glock_dq(&ip->i_iopen_gh); gfs2_holder_uninit(&ip->i_iopen_gh); @@ -1554,6 +1568,7 @@ out_unlock: out: /* Case 3 starts here */ truncate_inode_pages(&inode->i_data, 0); + gfs2_rs_delete(ip); clear_inode(inode); gfs2_dir_hash_inval(ip); ip->i_gl->gl_object = NULL; @@ -1576,6 +1591,7 @@ static struct inode *gfs2_alloc_inode(struct super_block *sb) ip->i_flags = 0; ip->i_gl = NULL; ip->i_rgd = NULL; + ip->i_res = NULL; } return &ip->i_inode; } diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 9c2592b1d5ff..8056b7b7238e 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -168,7 +168,7 @@ static ssize_t quota_sync_store(struct gfs2_sbd *sdp, const char *buf, if (simple_strtol(buf, NULL, 0) != 1) return -EINVAL; - gfs2_quota_sync(sdp->sd_vfs, 0, 1); + gfs2_quota_sync(sdp->sd_vfs, 0); return len; } @@ -276,7 +276,15 @@ static struct attribute *gfs2_attrs[] = { NULL, }; +static void gfs2_sbd_release(struct kobject *kobj) +{ + struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); + + kfree(sdp); +} + static struct kobj_type gfs2_ktype = { + .release = gfs2_sbd_release, .default_attrs = gfs2_attrs, .sysfs_ops = &gfs2_attr_ops, }; @@ -583,6 +591,7 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) char ro[20]; char spectator[20]; char *envp[] = { ro, spectator, NULL }; + int sysfs_frees_sdp = 0; sprintf(ro, "RDONLY=%d", (sb->s_flags & MS_RDONLY) ? 1 : 0); sprintf(spectator, "SPECTATOR=%d", sdp->sd_args.ar_spectator ? 1 : 0); @@ -591,8 +600,10 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) error = kobject_init_and_add(&sdp->sd_kobj, &gfs2_ktype, NULL, "%s", sdp->sd_table_name); if (error) - goto fail; + goto fail_reg; + sysfs_frees_sdp = 1; /* Freeing sdp is now done by sysfs calling + function gfs2_sbd_release. */ error = sysfs_create_group(&sdp->sd_kobj, &tune_group); if (error) goto fail_reg; @@ -615,9 +626,13 @@ fail_lock_module: fail_tune: sysfs_remove_group(&sdp->sd_kobj, &tune_group); fail_reg: - kobject_put(&sdp->sd_kobj); -fail: + free_percpu(sdp->sd_lkstats); fs_err(sdp, "error %d adding sysfs files", error); + if (sysfs_frees_sdp) + kobject_put(&sdp->sd_kobj); + else + kfree(sdp); + sb->s_fs_info = NULL; return error; } diff --git a/fs/gfs2/trace_gfs2.h b/fs/gfs2/trace_gfs2.h index 1b8b81588199..a25c252fe412 100644 --- a/fs/gfs2/trace_gfs2.h +++ b/fs/gfs2/trace_gfs2.h @@ -14,6 +14,7 @@ #include <linux/ktime.h> #include "incore.h" #include "glock.h" +#include "rgrp.h" #define dlm_state_name(nn) { DLM_LOCK_##nn, #nn } #define glock_trace_name(x) __print_symbolic(x, \ @@ -31,6 +32,17 @@ { GFS2_BLKST_DINODE, "dinode" }, \ { GFS2_BLKST_UNLINKED, "unlinked" }) +#define TRACE_RS_DELETE 0 +#define TRACE_RS_TREEDEL 1 +#define TRACE_RS_INSERT 2 +#define TRACE_RS_CLAIM 3 + +#define rs_func_name(x) __print_symbolic(x, \ + { 0, "del " }, \ + { 1, "tdel" }, \ + { 2, "ins " }, \ + { 3, "clm " }) + #define show_glock_flags(flags) __print_flags(flags, "", \ {(1UL << GLF_LOCK), "l" }, \ {(1UL << GLF_DEMOTE), "D" }, \ @@ -470,6 +482,7 @@ TRACE_EVENT(gfs2_block_alloc, __field( u8, block_state ) __field( u64, rd_addr ) __field( u32, rd_free_clone ) + __field( u32, rd_reserved ) ), TP_fast_assign( @@ -480,16 +493,58 @@ TRACE_EVENT(gfs2_block_alloc, __entry->block_state = block_state; __entry->rd_addr = rgd->rd_addr; __entry->rd_free_clone = rgd->rd_free_clone; + __entry->rd_reserved = rgd->rd_reserved; ), - TP_printk("%u,%u bmap %llu alloc %llu/%lu %s rg:%llu rf:%u", + TP_printk("%u,%u bmap %llu alloc %llu/%lu %s rg:%llu rf:%u rr:%lu", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long long)__entry->inum, (unsigned long long)__entry->start, (unsigned long)__entry->len, block_state_name(__entry->block_state), (unsigned long long)__entry->rd_addr, - __entry->rd_free_clone) + __entry->rd_free_clone, (unsigned long)__entry->rd_reserved) +); + +/* Keep track of multi-block reservations as they are allocated/freed */ +TRACE_EVENT(gfs2_rs, + + TP_PROTO(const struct gfs2_inode *ip, const struct gfs2_blkreserv *rs, + u8 func), + + TP_ARGS(ip, rs, func), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( u64, rd_addr ) + __field( u32, rd_free_clone ) + __field( u32, rd_reserved ) + __field( u64, inum ) + __field( u64, start ) + __field( u32, free ) + __field( u8, func ) + ), + + TP_fast_assign( + __entry->dev = rs->rs_rgd ? rs->rs_rgd->rd_sbd->sd_vfs->s_dev : 0; + __entry->rd_addr = rs->rs_rgd ? rs->rs_rgd->rd_addr : 0; + __entry->rd_free_clone = rs->rs_rgd ? rs->rs_rgd->rd_free_clone : 0; + __entry->rd_reserved = rs->rs_rgd ? rs->rs_rgd->rd_reserved : 0; + __entry->inum = ip ? ip->i_no_addr : 0; + __entry->start = gfs2_rs_startblk(rs); + __entry->free = rs->rs_free; + __entry->func = func; + ), + + TP_printk("%u,%u bmap %llu resrv %llu rg:%llu rf:%lu rr:%lu %s " + "f:%lu", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long long)__entry->inum, + (unsigned long long)__entry->start, + (unsigned long long)__entry->rd_addr, + (unsigned long)__entry->rd_free_clone, + (unsigned long)__entry->rd_reserved, + rs_func_name(__entry->func), (unsigned long)__entry->free) ); #endif /* _TRACE_GFS2_H */ diff --git a/fs/gfs2/trans.h b/fs/gfs2/trans.h index 125d4572e1c0..41f42cdccbb8 100644 --- a/fs/gfs2/trans.h +++ b/fs/gfs2/trans.h @@ -31,7 +31,7 @@ struct gfs2_glock; static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip) { const struct gfs2_blkreserv *rs = ip->i_res; - if (rs->rs_requested < ip->i_rgd->rd_length) + if (rs && rs->rs_requested < ip->i_rgd->rd_length) return rs->rs_requested + 1; return ip->i_rgd->rd_length; } diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h index 3586b0dd6aa7..80535739ac7b 100644 --- a/fs/gfs2/util.h +++ b/fs/gfs2/util.h @@ -79,23 +79,19 @@ int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, const char *type, const char *function, char *file, unsigned int line); -static inline int gfs2_meta_check_i(struct gfs2_sbd *sdp, - struct buffer_head *bh, - const char *function, - char *file, unsigned int line) +static inline int gfs2_meta_check(struct gfs2_sbd *sdp, + struct buffer_head *bh) { struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; u32 magic = be32_to_cpu(mh->mh_magic); - if (unlikely(magic != GFS2_MAGIC)) - return gfs2_meta_check_ii(sdp, bh, "magic number", function, - file, line); + if (unlikely(magic != GFS2_MAGIC)) { + printk(KERN_ERR "GFS2: Magic number missing at %llu\n", + (unsigned long long)bh->b_blocknr); + return -EIO; + } return 0; } -#define gfs2_meta_check(sdp, bh) \ -gfs2_meta_check_i((sdp), (bh), __func__, __FILE__, __LINE__) - - int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, u16 type, u16 t, const char *function, diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c index 927f4df874ae..27a0b4a901f5 100644 --- a/fs/gfs2/xattr.c +++ b/fs/gfs2/xattr.c @@ -325,12 +325,11 @@ static int ea_remove_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh, struct gfs2_ea_header *ea, struct gfs2_ea_header *prev, int leave) { - struct gfs2_qadata *qa; int error; - qa = gfs2_qadata_get(ip); - if (!qa) - return -ENOMEM; + error = gfs2_rindex_update(GFS2_SB(&ip->i_inode)); + if (error) + return error; error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); if (error) @@ -340,7 +339,6 @@ static int ea_remove_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh, gfs2_quota_unhold(ip); out_alloc: - gfs2_qadata_put(ip); return error; } @@ -713,17 +711,16 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er, unsigned int blks, ea_skeleton_call_t skeleton_call, void *private) { - struct gfs2_qadata *qa; struct buffer_head *dibh; int error; - qa = gfs2_qadata_get(ip); - if (!qa) - return -ENOMEM; + error = gfs2_rindex_update(GFS2_SB(&ip->i_inode)); + if (error) + return error; error = gfs2_quota_lock_check(ip); if (error) - goto out; + return error; error = gfs2_inplace_reserve(ip, blks); if (error) @@ -753,8 +750,6 @@ out_ipres: gfs2_inplace_release(ip); out_gunlock_q: gfs2_quota_unlock(ip); -out: - gfs2_qadata_put(ip); return error; } @@ -1494,16 +1489,15 @@ out_gunlock: int gfs2_ea_dealloc(struct gfs2_inode *ip) { - struct gfs2_qadata *qa; int error; - qa = gfs2_qadata_get(ip); - if (!qa) - return -ENOMEM; + error = gfs2_rindex_update(GFS2_SB(&ip->i_inode)); + if (error) + return error; error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); if (error) - goto out_alloc; + return error; error = ea_foreach(ip, ea_dealloc_unstuffed, NULL); if (error) @@ -1519,8 +1513,6 @@ int gfs2_ea_dealloc(struct gfs2_inode *ip) out_quota: gfs2_quota_unhold(ip); -out_alloc: - gfs2_qadata_put(ip); return error; } diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c index 62fc14ea4b73..422dde2ec0a1 100644 --- a/fs/hfs/dir.c +++ b/fs/hfs/dir.c @@ -18,7 +18,7 @@ * hfs_lookup() */ static struct dentry *hfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { hfs_cat_rec rec; struct hfs_find_data fd; @@ -187,7 +187,7 @@ static int hfs_dir_release(struct inode *inode, struct file *file) * the directory and the name (and its length) of the new file. */ static int hfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct inode *inode; int res; diff --git a/fs/hfs/extent.c b/fs/hfs/extent.c index 2c16316d2917..a67955a0c36f 100644 --- a/fs/hfs/extent.c +++ b/fs/hfs/extent.c @@ -432,7 +432,7 @@ out: if (inode->i_ino < HFS_FIRSTUSER_CNID) set_bit(HFS_FLG_ALT_MDB_DIRTY, &HFS_SB(sb)->flags); set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); - sb->s_dirt = 1; + hfs_mark_mdb_dirty(sb); } return res; diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h index 1bf967c6bfdc..8275175acf6e 100644 --- a/fs/hfs/hfs_fs.h +++ b/fs/hfs/hfs_fs.h @@ -14,6 +14,7 @@ #include <linux/mutex.h> #include <linux/buffer_head.h> #include <linux/fs.h> +#include <linux/workqueue.h> #include <asm/byteorder.h> #include <asm/uaccess.h> @@ -137,16 +138,15 @@ struct hfs_sb_info { gid_t s_gid; /* The gid of all files */ int session, part; - struct nls_table *nls_io, *nls_disk; - struct mutex bitmap_lock; - unsigned long flags; - u16 blockoffset; - int fs_div; + struct super_block *sb; + int work_queued; /* non-zero delayed work is queued */ + struct delayed_work mdb_work; /* MDB flush delayed work */ + spinlock_t work_lock; /* protects mdb_work and work_queued */ }; #define HFS_FLG_BITMAP_DIRTY 0 @@ -226,6 +226,9 @@ extern int hfs_compare_dentry(const struct dentry *parent, extern void hfs_asc2mac(struct super_block *, struct hfs_name *, struct qstr *); extern int hfs_mac2asc(struct super_block *, char *, const struct hfs_name *); +/* super.c */ +extern void hfs_mark_mdb_dirty(struct super_block *sb); + extern struct timezone sys_tz; /* @@ -253,7 +256,7 @@ static inline const char *hfs_mdb_name(struct super_block *sb) static inline void hfs_bitmap_dirty(struct super_block *sb) { set_bit(HFS_FLG_BITMAP_DIRTY, &HFS_SB(sb)->flags); - sb->s_dirt = 1; + hfs_mark_mdb_dirty(sb); } #define sb_bread512(sb, sec, data) ({ \ diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 761ec06354b4..ee1bc55677f1 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -220,7 +220,7 @@ struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, umode_t mode) insert_inode_hash(inode); mark_inode_dirty(inode); set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); - sb->s_dirt = 1; + hfs_mark_mdb_dirty(sb); return inode; } @@ -235,7 +235,7 @@ void hfs_delete_inode(struct inode *inode) if (HFS_I(inode)->cat_key.ParID == cpu_to_be32(HFS_ROOT_CNID)) HFS_SB(sb)->root_dirs--; set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); - sb->s_dirt = 1; + hfs_mark_mdb_dirty(sb); return; } HFS_SB(sb)->file_count--; @@ -248,7 +248,7 @@ void hfs_delete_inode(struct inode *inode) } } set_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags); - sb->s_dirt = 1; + hfs_mark_mdb_dirty(sb); } void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext, @@ -489,7 +489,7 @@ out: } static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct inode *inode = NULL; hfs_cat_rec rec; @@ -644,13 +644,7 @@ static int hfs_file_fsync(struct file *filp, loff_t start, loff_t end, /* sync the superblock to buffers */ sb = inode->i_sb; - if (sb->s_dirt) { - lock_super(sb); - sb->s_dirt = 0; - if (!(sb->s_flags & MS_RDONLY)) - hfs_mdb_commit(sb); - unlock_super(sb); - } + flush_delayed_work_sync(&HFS_SB(sb)->mdb_work); /* .. finally sync the buffers to disk */ err = sync_blockdev(sb->s_bdev); if (!ret) diff --git a/fs/hfs/mdb.c b/fs/hfs/mdb.c index 1563d5ce5764..5fd51a5833ff 100644 --- a/fs/hfs/mdb.c +++ b/fs/hfs/mdb.c @@ -260,6 +260,10 @@ void hfs_mdb_commit(struct super_block *sb) { struct hfs_mdb *mdb = HFS_SB(sb)->mdb; + if (sb->s_flags & MS_RDONLY) + return; + + lock_buffer(HFS_SB(sb)->mdb_bh); if (test_and_clear_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags)) { /* These parameters may have been modified, so write them back */ mdb->drLsMod = hfs_mtime(); @@ -283,9 +287,13 @@ void hfs_mdb_commit(struct super_block *sb) &mdb->drXTFlSize, NULL); hfs_inode_write_fork(HFS_SB(sb)->cat_tree->inode, mdb->drCTExtRec, &mdb->drCTFlSize, NULL); + + lock_buffer(HFS_SB(sb)->alt_mdb_bh); memcpy(HFS_SB(sb)->alt_mdb, HFS_SB(sb)->mdb, HFS_SECTOR_SIZE); HFS_SB(sb)->alt_mdb->drAtrb |= cpu_to_be16(HFS_SB_ATTRIB_UNMNT); HFS_SB(sb)->alt_mdb->drAtrb &= cpu_to_be16(~HFS_SB_ATTRIB_INCNSTNT); + unlock_buffer(HFS_SB(sb)->alt_mdb_bh); + mark_buffer_dirty(HFS_SB(sb)->alt_mdb_bh); sync_dirty_buffer(HFS_SB(sb)->alt_mdb_bh); } @@ -308,7 +316,11 @@ void hfs_mdb_commit(struct super_block *sb) break; } len = min((int)sb->s_blocksize - off, size); + + lock_buffer(bh); memcpy(bh->b_data + off, ptr, len); + unlock_buffer(bh); + mark_buffer_dirty(bh); brelse(bh); block++; @@ -317,6 +329,7 @@ void hfs_mdb_commit(struct super_block *sb) size -= len; } } + unlock_buffer(HFS_SB(sb)->mdb_bh); } void hfs_mdb_close(struct super_block *sb) diff --git a/fs/hfs/super.c b/fs/hfs/super.c index 7b4c537d6e13..4eb873e0c07b 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -29,43 +29,9 @@ static struct kmem_cache *hfs_inode_cachep; MODULE_LICENSE("GPL"); -/* - * hfs_write_super() - * - * Description: - * This function is called by the VFS only. When the filesystem - * is mounted r/w it updates the MDB on disk. - * Input Variable(s): - * struct super_block *sb: Pointer to the hfs superblock - * Output Variable(s): - * NONE - * Returns: - * void - * Preconditions: - * 'sb' points to a "valid" (struct super_block). - * Postconditions: - * The MDB is marked 'unsuccessfully unmounted' by clearing bit 8 of drAtrb - * (hfs_put_super() must set this flag!). Some MDB fields are updated - * and the MDB buffer is written to disk by calling hfs_mdb_commit(). - */ -static void hfs_write_super(struct super_block *sb) -{ - lock_super(sb); - sb->s_dirt = 0; - - /* sync everything to the buffers */ - if (!(sb->s_flags & MS_RDONLY)) - hfs_mdb_commit(sb); - unlock_super(sb); -} - static int hfs_sync_fs(struct super_block *sb, int wait) { - lock_super(sb); hfs_mdb_commit(sb); - sb->s_dirt = 0; - unlock_super(sb); - return 0; } @@ -78,13 +44,44 @@ static int hfs_sync_fs(struct super_block *sb, int wait) */ static void hfs_put_super(struct super_block *sb) { - if (sb->s_dirt) - hfs_write_super(sb); + cancel_delayed_work_sync(&HFS_SB(sb)->mdb_work); hfs_mdb_close(sb); /* release the MDB's resources */ hfs_mdb_put(sb); } +static void flush_mdb(struct work_struct *work) +{ + struct hfs_sb_info *sbi; + struct super_block *sb; + + sbi = container_of(work, struct hfs_sb_info, mdb_work.work); + sb = sbi->sb; + + spin_lock(&sbi->work_lock); + sbi->work_queued = 0; + spin_unlock(&sbi->work_lock); + + hfs_mdb_commit(sb); +} + +void hfs_mark_mdb_dirty(struct super_block *sb) +{ + struct hfs_sb_info *sbi = HFS_SB(sb); + unsigned long delay; + + if (sb->s_flags & MS_RDONLY) + return; + + spin_lock(&sbi->work_lock); + if (!sbi->work_queued) { + delay = msecs_to_jiffies(dirty_writeback_interval * 10); + queue_delayed_work(system_long_wq, &sbi->mdb_work, delay); + sbi->work_queued = 1; + } + spin_unlock(&sbi->work_lock); +} + /* * hfs_statfs() * @@ -184,7 +181,6 @@ static const struct super_operations hfs_super_operations = { .write_inode = hfs_write_inode, .evict_inode = hfs_evict_inode, .put_super = hfs_put_super, - .write_super = hfs_write_super, .sync_fs = hfs_sync_fs, .statfs = hfs_statfs, .remount_fs = hfs_remount, @@ -387,7 +383,10 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent) if (!sbi) return -ENOMEM; + sbi->sb = sb; sb->s_fs_info = sbi; + spin_lock_init(&sbi->work_lock); + INIT_DELAYED_WORK(&sbi->mdb_work, flush_mdb); res = -EINVAL; if (!parse_options((char *)data, sbi)) { diff --git a/fs/hfs/sysdep.c b/fs/hfs/sysdep.c index 19cf291eb91f..91b91fd3a901 100644 --- a/fs/hfs/sysdep.c +++ b/fs/hfs/sysdep.c @@ -13,12 +13,12 @@ /* dentry case-handling: just lowercase everything */ -static int hfs_revalidate_dentry(struct dentry *dentry, struct nameidata *nd) +static int hfs_revalidate_dentry(struct dentry *dentry, unsigned int flags) { struct inode *inode; int diff; - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; inode = dentry->d_inode; diff --git a/fs/hfsplus/bitmap.c b/fs/hfsplus/bitmap.c index 1cad80c789cb..4cfbe2edd296 100644 --- a/fs/hfsplus/bitmap.c +++ b/fs/hfsplus/bitmap.c @@ -153,7 +153,7 @@ done: kunmap(page); *max = offset + (curr - pptr) * 32 + i - start; sbi->free_blocks -= *max; - sb->s_dirt = 1; + hfsplus_mark_mdb_dirty(sb); dprint(DBG_BITMAP, "-> %u,%u\n", start, *max); out: mutex_unlock(&sbi->alloc_mutex); @@ -228,7 +228,7 @@ out: set_page_dirty(page); kunmap(page); sbi->free_blocks += len; - sb->s_dirt = 1; + hfsplus_mark_mdb_dirty(sb); mutex_unlock(&sbi->alloc_mutex); return 0; diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c index 26b53fb09f68..6b9f921ef2fa 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -25,7 +25,7 @@ static inline void hfsplus_instantiate(struct dentry *dentry, /* Find the entry inside dir named dentry->d_name */ static struct dentry *hfsplus_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct inode *inode = NULL; struct hfs_find_data fd; @@ -316,7 +316,7 @@ static int hfsplus_link(struct dentry *src_dentry, struct inode *dst_dir, inode->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(inode); sbi->file_count++; - dst_dir->i_sb->s_dirt = 1; + hfsplus_mark_mdb_dirty(dst_dir->i_sb); out: mutex_unlock(&sbi->vh_mutex); return res; @@ -465,7 +465,7 @@ out: } static int hfsplus_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { return hfsplus_mknod(dir, dentry, mode, 0); } diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index 4e75ac646fea..558dbb463a4e 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -153,8 +153,11 @@ struct hfsplus_sb_info { gid_t gid; int part, session; - unsigned long flags; + + int work_queued; /* non-zero delayed work is queued */ + struct delayed_work sync_work; /* FS sync delayed work */ + spinlock_t work_lock; /* protects sync_work and work_queued */ }; #define HFSPLUS_SB_WRITEBACKUP 0 @@ -428,7 +431,7 @@ int hfsplus_show_options(struct seq_file *, struct dentry *); /* super.c */ struct inode *hfsplus_iget(struct super_block *, unsigned long); -int hfsplus_sync_fs(struct super_block *sb, int wait); +void hfsplus_mark_mdb_dirty(struct super_block *sb); /* tables.c */ extern u16 hfsplus_case_fold_table[]; diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 82b69ee4dacc..3d8b4a675ba0 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -168,7 +168,7 @@ const struct dentry_operations hfsplus_dentry_operations = { }; static struct dentry *hfsplus_file_lookup(struct inode *dir, - struct dentry *dentry, struct nameidata *nd) + struct dentry *dentry, unsigned int flags) { struct hfs_find_data fd; struct super_block *sb = dir->i_sb; @@ -431,7 +431,7 @@ struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode) sbi->file_count++; insert_inode_hash(inode); mark_inode_dirty(inode); - sb->s_dirt = 1; + hfsplus_mark_mdb_dirty(sb); return inode; } @@ -442,7 +442,7 @@ void hfsplus_delete_inode(struct inode *inode) if (S_ISDIR(inode->i_mode)) { HFSPLUS_SB(sb)->folder_count--; - sb->s_dirt = 1; + hfsplus_mark_mdb_dirty(sb); return; } HFSPLUS_SB(sb)->file_count--; @@ -455,7 +455,7 @@ void hfsplus_delete_inode(struct inode *inode) inode->i_size = 0; hfsplus_file_truncate(inode); } - sb->s_dirt = 1; + hfsplus_mark_mdb_dirty(sb); } void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork) diff --git a/fs/hfsplus/ioctl.c b/fs/hfsplus/ioctl.c index c640ba57074b..09addc8615fa 100644 --- a/fs/hfsplus/ioctl.c +++ b/fs/hfsplus/ioctl.c @@ -31,6 +31,7 @@ static int hfsplus_ioctl_bless(struct file *file, int __user *user_flags) struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb); struct hfsplus_vh *vh = sbi->s_vhdr; struct hfsplus_vh *bvh = sbi->s_backup_vhdr; + u32 cnid = (unsigned long)dentry->d_fsdata; if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -41,8 +42,12 @@ static int hfsplus_ioctl_bless(struct file *file, int __user *user_flags) vh->finder_info[0] = bvh->finder_info[0] = cpu_to_be32(parent_ino(dentry)); - /* Bootloader */ - vh->finder_info[1] = bvh->finder_info[1] = cpu_to_be32(inode->i_ino); + /* + * Bootloader. Just using the inode here breaks in the case of + * hard links - the firmware wants the ID of the hard link file, + * but the inode points at the indirect inode + */ + vh->finder_info[1] = bvh->finder_info[1] = cpu_to_be32(cnid); /* Per spec, the OS X system folder - same as finder_info[0] here */ vh->finder_info[5] = bvh->finder_info[5] = diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index a9bca4b8768b..473332098013 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -124,7 +124,7 @@ static int hfsplus_system_write_inode(struct inode *inode) if (fork->total_size != cpu_to_be64(inode->i_size)) { set_bit(HFSPLUS_SB_WRITEBACKUP, &sbi->flags); - inode->i_sb->s_dirt = 1; + hfsplus_mark_mdb_dirty(inode->i_sb); } hfsplus_inode_write_fork(inode, fork); if (tree) @@ -161,7 +161,7 @@ static void hfsplus_evict_inode(struct inode *inode) } } -int hfsplus_sync_fs(struct super_block *sb, int wait) +static int hfsplus_sync_fs(struct super_block *sb, int wait) { struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb); struct hfsplus_vh *vhdr = sbi->s_vhdr; @@ -171,9 +171,7 @@ int hfsplus_sync_fs(struct super_block *sb, int wait) if (!wait) return 0; - dprint(DBG_SUPER, "hfsplus_write_super\n"); - - sb->s_dirt = 0; + dprint(DBG_SUPER, "hfsplus_sync_fs\n"); /* * Explicitly write out the special metadata inodes. @@ -226,12 +224,34 @@ out: return error; } -static void hfsplus_write_super(struct super_block *sb) +static void delayed_sync_fs(struct work_struct *work) { - if (!(sb->s_flags & MS_RDONLY)) - hfsplus_sync_fs(sb, 1); - else - sb->s_dirt = 0; + struct hfsplus_sb_info *sbi; + + sbi = container_of(work, struct hfsplus_sb_info, sync_work.work); + + spin_lock(&sbi->work_lock); + sbi->work_queued = 0; + spin_unlock(&sbi->work_lock); + + hfsplus_sync_fs(sbi->alloc_file->i_sb, 1); +} + +void hfsplus_mark_mdb_dirty(struct super_block *sb) +{ + struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb); + unsigned long delay; + + if (sb->s_flags & MS_RDONLY) + return; + + spin_lock(&sbi->work_lock); + if (!sbi->work_queued) { + delay = msecs_to_jiffies(dirty_writeback_interval * 10); + queue_delayed_work(system_long_wq, &sbi->sync_work, delay); + sbi->work_queued = 1; + } + spin_unlock(&sbi->work_lock); } static void hfsplus_put_super(struct super_block *sb) @@ -240,8 +260,7 @@ static void hfsplus_put_super(struct super_block *sb) dprint(DBG_SUPER, "hfsplus_put_super\n"); - if (!sb->s_fs_info) - return; + cancel_delayed_work_sync(&sbi->sync_work); if (!(sb->s_flags & MS_RDONLY) && sbi->s_vhdr) { struct hfsplus_vh *vhdr = sbi->s_vhdr; @@ -328,7 +347,6 @@ static const struct super_operations hfsplus_sops = { .write_inode = hfsplus_write_inode, .evict_inode = hfsplus_evict_inode, .put_super = hfsplus_put_super, - .write_super = hfsplus_write_super, .sync_fs = hfsplus_sync_fs, .statfs = hfsplus_statfs, .remount_fs = hfsplus_remount, @@ -355,6 +373,8 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) sb->s_fs_info = sbi; mutex_init(&sbi->alloc_mutex); mutex_init(&sbi->vh_mutex); + spin_lock_init(&sbi->work_lock); + INIT_DELAYED_WORK(&sbi->sync_work, delayed_sync_fs); hfsplus_fill_defaults(sbi); err = -EINVAL; diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c index 7daf4b852d1c..90effcccca9a 100644 --- a/fs/hfsplus/wrapper.c +++ b/fs/hfsplus/wrapper.c @@ -56,7 +56,7 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, DECLARE_COMPLETION_ONSTACK(wait); struct bio *bio; int ret = 0; - unsigned int io_size; + u64 io_size; loff_t start; int offset; diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 2afa5bbccf9b..124146543aa7 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -553,7 +553,7 @@ static int read_name(struct inode *ino, char *name) } int hostfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct inode *inode; char *name; @@ -595,7 +595,7 @@ int hostfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, } struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct inode *inode; char *name; diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c index b8472f803f4e..78e12b2e0ea2 100644 --- a/fs/hpfs/dir.c +++ b/fs/hpfs/dir.c @@ -189,7 +189,7 @@ out: * to tell read_inode to read fnode or not. */ -struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { const unsigned char *name = dentry->d_name.name; unsigned len = dentry->d_name.len; diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h index c07ef1f1ced6..ac1ead194db5 100644 --- a/fs/hpfs/hpfs_fn.h +++ b/fs/hpfs/hpfs_fn.h @@ -220,7 +220,7 @@ extern const struct dentry_operations hpfs_dentry_operations; /* dir.c */ -struct dentry *hpfs_lookup(struct inode *, struct dentry *, struct nameidata *); +struct dentry *hpfs_lookup(struct inode *, struct dentry *, unsigned int); extern const struct file_operations hpfs_dir_ops; /* dnode.c */ diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c index 9083ef8af58c..bc9082482f68 100644 --- a/fs/hpfs/namei.c +++ b/fs/hpfs/namei.c @@ -115,7 +115,7 @@ bail: return err; } -static int hpfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) +static int hpfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { const unsigned char *name = dentry->d_name.name; unsigned len = dentry->d_name.len; diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c index d4f93b52cec5..c1dffe47fde2 100644 --- a/fs/hppfs/hppfs.c +++ b/fs/hppfs/hppfs.c @@ -138,7 +138,7 @@ static int file_removed(struct dentry *dentry, const char *file) } static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct dentry *proc_dentry, *parent; struct qstr *name = &dentry->d_name; @@ -420,8 +420,7 @@ static int hppfs_open(struct inode *inode, struct file *file) { const struct cred *cred = file->f_cred; struct hppfs_private *data; - struct vfsmount *proc_mnt; - struct dentry *proc_dentry; + struct path path; char *host_file; int err, fd, type, filter; @@ -434,12 +433,11 @@ static int hppfs_open(struct inode *inode, struct file *file) if (host_file == NULL) goto out_free2; - proc_dentry = HPPFS_I(inode)->proc_dentry; - proc_mnt = inode->i_sb->s_fs_info; + path.mnt = inode->i_sb->s_fs_info; + path.dentry = HPPFS_I(inode)->proc_dentry; /* XXX This isn't closed anywhere */ - data->proc_file = dentry_open(dget(proc_dentry), mntget(proc_mnt), - file_mode(file->f_mode), cred); + data->proc_file = dentry_open(&path, file_mode(file->f_mode), cred); err = PTR_ERR(data->proc_file); if (IS_ERR(data->proc_file)) goto out_free1; @@ -484,8 +482,7 @@ static int hppfs_dir_open(struct inode *inode, struct file *file) { const struct cred *cred = file->f_cred; struct hppfs_private *data; - struct vfsmount *proc_mnt; - struct dentry *proc_dentry; + struct path path; int err; err = -ENOMEM; @@ -493,10 +490,9 @@ static int hppfs_dir_open(struct inode *inode, struct file *file) if (data == NULL) goto out; - proc_dentry = HPPFS_I(inode)->proc_dentry; - proc_mnt = inode->i_sb->s_fs_info; - data->proc_file = dentry_open(dget(proc_dentry), mntget(proc_mnt), - file_mode(file->f_mode), cred); + path.mnt = inode->i_sb->s_fs_info; + path.dentry = HPPFS_I(inode)->proc_dentry; + data->proc_file = dentry_open(&path, file_mode(file->f_mode), cred); err = PTR_ERR(data->proc_file); if (IS_ERR(data->proc_file)) goto out_free; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index cc9281b6c628..e13e9bdb0bf5 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -565,7 +565,7 @@ static int hugetlbfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mod return retval; } -static int hugetlbfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) +static int hugetlbfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { return hugetlbfs_mknod(dir, dentry, mode | S_IFREG, 0); } diff --git a/fs/inode.c b/fs/inode.c index c99163b1b310..775cbabd4fa5 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -182,7 +182,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode) } inode->i_private = NULL; inode->i_mapping = mapping; - INIT_LIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */ + INIT_HLIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */ #ifdef CONFIG_FS_POSIX_ACL inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED; #endif diff --git a/fs/internal.h b/fs/internal.h index 18bc216ea09d..a6fd56c68b11 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -42,6 +42,11 @@ static inline int __sync_blockdev(struct block_device *bdev, int wait) extern void __init chrdev_init(void); /* + * namei.c + */ +extern int __inode_permission(struct inode *, int); + +/* * namespace.c */ extern int copy_mount_options(const void __user *, unsigned long *); @@ -50,8 +55,6 @@ extern int copy_mount_string(const void __user *, char **); extern struct vfsmount *lookup_mnt(struct path *); extern int finish_automount(struct vfsmount *, struct path *); -extern void mnt_make_longterm(struct vfsmount *); -extern void mnt_make_shortterm(struct vfsmount *); extern int sb_prepare_remount_readonly(struct super_block *); extern void __init mnt_init(void); @@ -84,9 +87,6 @@ extern struct super_block *user_get_super(dev_t); /* * open.c */ -struct nameidata; -extern struct file *nameidata_to_filp(struct nameidata *); -extern void release_open_intent(struct nameidata *); struct open_flags { int open_flag; umode_t mode; diff --git a/fs/isofs/export.c b/fs/isofs/export.c index aa4356d09eee..1d3804492aa7 100644 --- a/fs/isofs/export.c +++ b/fs/isofs/export.c @@ -134,6 +134,7 @@ isofs_export_encode_fh(struct inode *inode, len = 3; fh32[0] = ei->i_iget5_block; fh16[2] = (__u16)ei->i_iget5_offset; /* fh16 [sic] */ + fh16[3] = 0; /* avoid leaking uninitialized data */ fh32[2] = inode->i_generation; if (parent) { struct iso_inode_info *eparent; diff --git a/fs/isofs/isofs.h b/fs/isofs/isofs.h index 0e73f63d9274..3620ad1ea9bc 100644 --- a/fs/isofs/isofs.h +++ b/fs/isofs/isofs.h @@ -114,7 +114,7 @@ extern int isofs_name_translate(struct iso_directory_record *, char *, struct in int get_joliet_filename(struct iso_directory_record *, unsigned char *, struct inode *); int get_acorn_filename(struct iso_directory_record *, char *, struct inode *); -extern struct dentry *isofs_lookup(struct inode *, struct dentry *, struct nameidata *); +extern struct dentry *isofs_lookup(struct inode *, struct dentry *, unsigned int flags); extern struct buffer_head *isofs_bread(struct inode *, sector_t); extern int isofs_get_blocks(struct inode *, sector_t, struct buffer_head **, unsigned long); diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c index 1e2946f2a69e..c167028844ed 100644 --- a/fs/isofs/namei.c +++ b/fs/isofs/namei.c @@ -163,7 +163,7 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry, return 0; } -struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { int found; unsigned long uninitialized_var(block); diff --git a/fs/jbd/recovery.c b/fs/jbd/recovery.c index 008bf062fd26..a748fe21465a 100644 --- a/fs/jbd/recovery.c +++ b/fs/jbd/recovery.c @@ -265,8 +265,11 @@ int journal_recover(journal_t *journal) if (!err) err = err2; /* Flush disk caches to get replayed data on the permanent storage */ - if (journal->j_flags & JFS_BARRIER) - blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL); + if (journal->j_flags & JFS_BARRIER) { + err2 = blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL); + if (!err) + err = err2; + } return err; } diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index b56018896d5e..ad7774d32095 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -25,9 +25,9 @@ static int jffs2_readdir (struct file *, void *, filldir_t); static int jffs2_create (struct inode *,struct dentry *,umode_t, - struct nameidata *); + bool); static struct dentry *jffs2_lookup (struct inode *,struct dentry *, - struct nameidata *); + unsigned int); static int jffs2_link (struct dentry *,struct inode *,struct dentry *); static int jffs2_unlink (struct inode *,struct dentry *); static int jffs2_symlink (struct inode *,struct dentry *,const char *); @@ -74,7 +74,7 @@ const struct inode_operations jffs2_dir_inode_operations = nice and simple */ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target, - struct nameidata *nd) + unsigned int flags) { struct jffs2_inode_info *dir_f; struct jffs2_full_dirent *fd = NULL, *fd_list; @@ -175,7 +175,7 @@ static int jffs2_readdir(struct file *filp, void *dirent, filldir_t filldir) static int jffs2_create(struct inode *dir_i, struct dentry *dentry, - umode_t mode, struct nameidata *nd) + umode_t mode, bool excl) { struct jffs2_raw_inode *ri; struct jffs2_inode_info *f, *dir_f; @@ -226,8 +226,8 @@ static int jffs2_create(struct inode *dir_i, struct dentry *dentry, __func__, inode->i_ino, inode->i_mode, inode->i_nlink, f->inocache->pino_nlink, inode->i_mapping->nrpages); - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); return 0; fail: @@ -446,8 +446,8 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char mutex_unlock(&dir_f->sem); jffs2_complete_reservation(c); - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); return 0; fail: @@ -591,8 +591,8 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, umode_t mode mutex_unlock(&dir_f->sem); jffs2_complete_reservation(c); - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); return 0; fail: @@ -766,8 +766,8 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, umode_t mode mutex_unlock(&dir_f->sem); jffs2_complete_reservation(c); - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); return 0; fail: diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index 07c91ca6017d..3b91a7ad6086 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -73,7 +73,7 @@ static inline void free_ea_wmap(struct inode *inode) * */ static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { int rc = 0; tid_t tid; /* transaction id */ @@ -176,8 +176,8 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode, unlock_new_inode(ip); iput(ip); } else { - d_instantiate(dentry, ip); unlock_new_inode(ip); + d_instantiate(dentry, ip); } out2: @@ -309,8 +309,8 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, umode_t mode) unlock_new_inode(ip); iput(ip); } else { - d_instantiate(dentry, ip); unlock_new_inode(ip); + d_instantiate(dentry, ip); } out2: @@ -1043,8 +1043,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry, unlock_new_inode(ip); iput(ip); } else { - d_instantiate(dentry, ip); unlock_new_inode(ip); + d_instantiate(dentry, ip); } out2: @@ -1424,8 +1424,8 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry, unlock_new_inode(ip); iput(ip); } else { - d_instantiate(dentry, ip); unlock_new_inode(ip); + d_instantiate(dentry, ip); } out1: @@ -1436,7 +1436,7 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry, return rc; } -static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struct nameidata *nd) +static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, unsigned int flags) { struct btstack btstack; ino_t inum; @@ -1570,7 +1570,7 @@ out: return result; } -static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd) +static int jfs_ci_revalidate(struct dentry *dentry, unsigned int flags) { /* * This is not negative dentry. Always valid. @@ -1589,7 +1589,7 @@ static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd) * This may be nfsd (or something), anyway, we can't see the * intent of this. So, since this can be for creation, drop it. */ - if (!nd) + if (!flags) return 0; /* @@ -1597,7 +1597,7 @@ static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd) * case sensitive name which is specified by user if this is * for creation. */ - if (nd->flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) + if (flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) return 0; return 1; } diff --git a/fs/jfs/super.c b/fs/jfs/super.c index 4a82950f412f..c55c7452d285 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -601,6 +601,11 @@ static int jfs_sync_fs(struct super_block *sb, int wait) /* log == NULL indicates read-only mount */ if (log) { + /* + * Write quota structures to quota file, sync_blockdev() will + * write them to disk later + */ + dquot_writeback_dquots(sb, -1); jfs_flush_journal(log, wait); jfs_syncpt(log, 0); } diff --git a/fs/libfs.c b/fs/libfs.c index f86ec27a4230..a74cb1725ac6 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -53,7 +53,7 @@ static int simple_delete_dentry(const struct dentry *dentry) * Lookup the data. This is trivial - if the dentry didn't already * exist, we know it is negative. Set d_op to delete negative dentries. */ -struct dentry *simple_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +struct dentry *simple_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { static const struct dentry_operations simple_dentry_operations = { .d_delete = simple_delete_dentry, @@ -222,15 +222,15 @@ struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name, const struct super_operations *ops, const struct dentry_operations *dops, unsigned long magic) { - struct super_block *s = sget(fs_type, NULL, set_anon_super, NULL); + struct super_block *s; struct dentry *dentry; struct inode *root; struct qstr d_name = QSTR_INIT(name, strlen(name)); + s = sget(fs_type, NULL, set_anon_super, MS_NOUSER, NULL); if (IS_ERR(s)) return ERR_CAST(s); - s->s_flags = MS_NOUSER; s->s_maxbytes = MAX_LFS_FILESIZE; s->s_blocksize = PAGE_SIZE; s->s_blocksize_bits = PAGE_SHIFT; diff --git a/fs/locks.c b/fs/locks.c index 814c51d0de47..82c353304f9e 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -308,7 +308,7 @@ static int flock_make_lock(struct file *filp, struct file_lock **lock, return 0; } -static int assign_type(struct file_lock *fl, int type) +static int assign_type(struct file_lock *fl, long type) { switch (type) { case F_RDLCK: @@ -445,7 +445,7 @@ static const struct lock_manager_operations lease_manager_ops = { /* * Initialize a lease, use the default lock manager operations */ -static int lease_init(struct file *filp, int type, struct file_lock *fl) +static int lease_init(struct file *filp, long type, struct file_lock *fl) { if (assign_type(fl, type) != 0) return -EINVAL; @@ -463,7 +463,7 @@ static int lease_init(struct file *filp, int type, struct file_lock *fl) } /* Allocate a file_lock initialised to this type of lease */ -static struct file_lock *lease_alloc(struct file *filp, int type) +static struct file_lock *lease_alloc(struct file *filp, long type) { struct file_lock *fl = locks_alloc_lock(); int error = -ENOMEM; @@ -1465,7 +1465,7 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp) case F_WRLCK: return generic_add_lease(filp, arg, flp); default: - BUG(); + return -EINVAL; } } EXPORT_SYMBOL(generic_setlease); diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index bea5d1b9954b..26e4a941532f 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -349,7 +349,7 @@ static void logfs_set_name(struct logfs_disk_dentry *dd, struct qstr *name) } static struct dentry *logfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct page *page; struct logfs_disk_dentry *dd; @@ -502,7 +502,7 @@ static int logfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) } static int logfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct inode *inode; diff --git a/fs/logfs/super.c b/fs/logfs/super.c index 97bca623d893..345c24b8a6f8 100644 --- a/fs/logfs/super.c +++ b/fs/logfs/super.c @@ -519,7 +519,7 @@ static struct dentry *logfs_get_sb_device(struct logfs_super *super, log_super("LogFS: Start mount %x\n", mount_count++); err = -EINVAL; - sb = sget(type, logfs_sb_test, logfs_sb_set, super); + sb = sget(type, logfs_sb_test, logfs_sb_set, flags | MS_NOATIME, super); if (IS_ERR(sb)) { super->s_devops->put_device(super); kfree(super); @@ -542,7 +542,6 @@ static struct dentry *logfs_get_sb_device(struct logfs_super *super, sb->s_maxbytes = (1ull << 43) - 1; sb->s_max_links = LOGFS_LINK_MAX; sb->s_op = &logfs_super_operations; - sb->s_flags = flags | MS_NOATIME; err = logfs_read_sb(sb, sb->s_flags & MS_RDONLY); if (err) diff --git a/fs/minix/namei.c b/fs/minix/namei.c index 2d0ee1786305..0db73d9dd668 100644 --- a/fs/minix/namei.c +++ b/fs/minix/namei.c @@ -18,7 +18,7 @@ static int add_nondir(struct dentry *dentry, struct inode *inode) return err; } -static struct dentry *minix_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd) +static struct dentry *minix_lookup(struct inode * dir, struct dentry *dentry, unsigned int flags) { struct inode * inode = NULL; ino_t ino; @@ -55,7 +55,7 @@ static int minix_mknod(struct inode * dir, struct dentry *dentry, umode_t mode, } static int minix_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { return minix_mknod(dir, dentry, mode, 0); } diff --git a/fs/mount.h b/fs/mount.h index 4ef36d93e5a2..4f291f9de641 100644 --- a/fs/mount.h +++ b/fs/mount.h @@ -22,7 +22,6 @@ struct mount { struct vfsmount mnt; #ifdef CONFIG_SMP struct mnt_pcp __percpu *mnt_pcp; - atomic_t mnt_longterm; /* how many of the refs are longterm */ #else int mnt_count; int mnt_writers; @@ -49,6 +48,8 @@ struct mount { int mnt_ghosts; }; +#define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */ + static inline struct mount *real_mount(struct vfsmount *mnt) { return container_of(mnt, struct mount, mnt); @@ -59,6 +60,12 @@ static inline int mnt_has_parent(struct mount *mnt) return mnt != mnt->mnt_parent; } +static inline int is_mounted(struct vfsmount *mnt) +{ + /* neither detached nor internal? */ + return !IS_ERR_OR_NULL(real_mount(mnt)); +} + extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *, int); static inline void get_mnt_ns(struct mnt_namespace *ns) @@ -67,10 +74,12 @@ static inline void get_mnt_ns(struct mnt_namespace *ns) } struct proc_mounts { - struct seq_file m; /* must be the first element */ + struct seq_file m; struct mnt_namespace *ns; struct path root; int (*show)(struct seq_file *, struct vfsmount *); }; +#define proc_mounts(p) (container_of((p), struct proc_mounts, m)) + extern const struct seq_operations mounts_op; diff --git a/fs/namei.c b/fs/namei.c index 7d694194024a..2ccc35c4dc24 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -315,31 +315,22 @@ static inline int do_inode_permission(struct inode *inode, int mask) } /** - * inode_permission - check for access rights to a given inode - * @inode: inode to check permission on - * @mask: right to check for (%MAY_READ, %MAY_WRITE, %MAY_EXEC, ...) + * __inode_permission - Check for access rights to a given inode + * @inode: Inode to check permission on + * @mask: Right to check for (%MAY_READ, %MAY_WRITE, %MAY_EXEC) * - * Used to check for read/write/execute permissions on an inode. - * We use "fsuid" for this, letting us set arbitrary permissions - * for filesystem access without changing the "normal" uids which - * are used for other things. + * Check for read/write/execute permissions on an inode. * * When checking for MAY_APPEND, MAY_WRITE must also be set in @mask. + * + * This does not check for a read-only file system. You probably want + * inode_permission(). */ -int inode_permission(struct inode *inode, int mask) +int __inode_permission(struct inode *inode, int mask) { int retval; if (unlikely(mask & MAY_WRITE)) { - umode_t mode = inode->i_mode; - - /* - * Nobody gets write access to a read-only fs. - */ - if (IS_RDONLY(inode) && - (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode))) - return -EROFS; - /* * Nobody gets write access to an immutable file. */ @@ -359,6 +350,47 @@ int inode_permission(struct inode *inode, int mask) } /** + * sb_permission - Check superblock-level permissions + * @sb: Superblock of inode to check permission on + * @mask: Right to check for (%MAY_READ, %MAY_WRITE, %MAY_EXEC) + * + * Separate out file-system wide checks from inode-specific permission checks. + */ +static int sb_permission(struct super_block *sb, struct inode *inode, int mask) +{ + if (unlikely(mask & MAY_WRITE)) { + umode_t mode = inode->i_mode; + + /* Nobody gets write access to a read-only fs. */ + if ((sb->s_flags & MS_RDONLY) && + (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode))) + return -EROFS; + } + return 0; +} + +/** + * inode_permission - Check for access rights to a given inode + * @inode: Inode to check permission on + * @mask: Right to check for (%MAY_READ, %MAY_WRITE, %MAY_EXEC) + * + * Check for read/write/execute permissions on an inode. We use fs[ug]id for + * this, letting us set arbitrary permissions for filesystem access without + * changing the "normal" UIDs which are used for other things. + * + * When checking for MAY_APPEND, MAY_WRITE must also be set in @mask. + */ +int inode_permission(struct inode *inode, int mask) +{ + int retval; + + retval = sb_permission(inode->i_sb, inode, mask); + if (retval) + return retval; + return __inode_permission(inode, mask); +} + +/** * path_get - get a reference to a path * @path: path to get the reference to * @@ -395,6 +427,18 @@ EXPORT_SYMBOL(path_put); * to restart the path walk from the beginning in ref-walk mode. */ +static inline void lock_rcu_walk(void) +{ + br_read_lock(&vfsmount_lock); + rcu_read_lock(); +} + +static inline void unlock_rcu_walk(void) +{ + rcu_read_unlock(); + br_read_unlock(&vfsmount_lock); +} + /** * unlazy_walk - try to switch to ref-walk mode. * @nd: nameidata pathwalk data @@ -448,8 +492,7 @@ static int unlazy_walk(struct nameidata *nd, struct dentry *dentry) } mntget(nd->path.mnt); - rcu_read_unlock(); - br_read_unlock(&vfsmount_lock); + unlock_rcu_walk(); nd->flags &= ~LOOKUP_RCU; return 0; @@ -463,25 +506,9 @@ err_root: return -ECHILD; } -/** - * release_open_intent - free up open intent resources - * @nd: pointer to nameidata - */ -void release_open_intent(struct nameidata *nd) +static inline int d_revalidate(struct dentry *dentry, unsigned int flags) { - struct file *file = nd->intent.open.file; - - if (file && !IS_ERR(file)) { - if (file->f_path.dentry == NULL) - put_filp(file); - else - fput(file); - } -} - -static inline int d_revalidate(struct dentry *dentry, struct nameidata *nd) -{ - return dentry->d_op->d_revalidate(dentry, nd); + return dentry->d_op->d_revalidate(dentry, flags); } /** @@ -506,15 +533,13 @@ static int complete_walk(struct nameidata *nd) spin_lock(&dentry->d_lock); if (unlikely(!__d_rcu_to_refcount(dentry, nd->seq))) { spin_unlock(&dentry->d_lock); - rcu_read_unlock(); - br_read_unlock(&vfsmount_lock); + unlock_rcu_walk(); return -ECHILD; } BUG_ON(nd->inode != dentry->d_inode); spin_unlock(&dentry->d_lock); mntget(nd->path.mnt); - rcu_read_unlock(); - br_read_unlock(&vfsmount_lock); + unlock_rcu_walk(); } if (likely(!(nd->flags & LOOKUP_JUMPED))) @@ -527,7 +552,7 @@ static int complete_walk(struct nameidata *nd) return 0; /* Note: we do not d_invalidate() */ - status = d_revalidate(dentry, nd); + status = d_revalidate(dentry, nd->flags); if (status > 0) return 0; @@ -602,10 +627,25 @@ static inline void path_to_nameidata(const struct path *path, nd->path.dentry = path->dentry; } +/* + * Helper to directly jump to a known parsed path from ->follow_link, + * caller must have taken a reference to path beforehand. + */ +void nd_jump_link(struct nameidata *nd, struct path *path) +{ + path_put(&nd->path); + + nd->path = *path; + nd->inode = nd->path.dentry->d_inode; + nd->flags |= LOOKUP_JUMPED; + + BUG_ON(nd->inode->i_op->follow_link); +} + static inline void put_link(struct nameidata *nd, struct path *link, void *cookie) { struct inode *inode = link->dentry->d_inode; - if (!IS_ERR(cookie) && inode->i_op->put_link) + if (inode->i_op->put_link) inode->i_op->put_link(link->dentry, nd, cookie); path_put(link); } @@ -613,19 +653,19 @@ static inline void put_link(struct nameidata *nd, struct path *link, void *cooki static __always_inline int follow_link(struct path *link, struct nameidata *nd, void **p) { - int error; struct dentry *dentry = link->dentry; + int error; + char *s; BUG_ON(nd->flags & LOOKUP_RCU); if (link->mnt == nd->path.mnt) mntget(link->mnt); - if (unlikely(current->total_link_count >= 40)) { - *p = ERR_PTR(-ELOOP); /* no ->put_link(), please */ - path_put(&nd->path); - return -ELOOP; - } + error = -ELOOP; + if (unlikely(current->total_link_count >= 40)) + goto out_put_nd_path; + cond_resched(); current->total_link_count++; @@ -633,30 +673,28 @@ follow_link(struct path *link, struct nameidata *nd, void **p) nd_set_link(nd, NULL); error = security_inode_follow_link(link->dentry, nd); - if (error) { - *p = ERR_PTR(error); /* no ->put_link(), please */ - path_put(&nd->path); - return error; - } + if (error) + goto out_put_nd_path; nd->last_type = LAST_BIND; *p = dentry->d_inode->i_op->follow_link(dentry, nd); error = PTR_ERR(*p); - if (!IS_ERR(*p)) { - char *s = nd_get_link(nd); - error = 0; - if (s) - error = __vfs_follow_link(nd, s); - else if (nd->last_type == LAST_BIND) { - nd->flags |= LOOKUP_JUMPED; - nd->inode = nd->path.dentry->d_inode; - if (nd->inode->i_op->follow_link) { - /* stepped on a _really_ weird one */ - path_put(&nd->path); - error = -ELOOP; - } - } + if (IS_ERR(*p)) + goto out_put_nd_path; + + error = 0; + s = nd_get_link(nd); + if (s) { + error = __vfs_follow_link(nd, s); + if (unlikely(error)) + put_link(nd, link, *p); } + + return error; + +out_put_nd_path: + path_put(&nd->path); + path_put(link); return error; } @@ -675,6 +713,16 @@ static int follow_up_rcu(struct path *path) return 1; } +/* + * follow_up - Find the mountpoint of path's vfsmount + * + * Given a path, find the mountpoint of its source file system. + * Replace @path with the path of the mountpoint in the parent mount. + * Up is towards /. + * + * Return 1 if we went up a level and 0 if we were already at the + * root. + */ int follow_up(struct path *path) { struct mount *mnt = real_mount(path->mnt); @@ -683,7 +731,7 @@ int follow_up(struct path *path) br_read_lock(&vfsmount_lock); parent = mnt->mnt_parent; - if (&parent->mnt == path->mnt) { + if (parent == mnt) { br_read_unlock(&vfsmount_lock); return 0; } @@ -946,8 +994,7 @@ failed: nd->flags &= ~LOOKUP_RCU; if (!(nd->flags & LOOKUP_ROOT)) nd->root.mnt = NULL; - rcu_read_unlock(); - br_read_unlock(&vfsmount_lock); + unlock_rcu_walk(); return -ECHILD; } @@ -1048,7 +1095,7 @@ static void follow_dotdot(struct nameidata *nd) * dir->d_inode->i_mutex must be held */ static struct dentry *lookup_dcache(struct qstr *name, struct dentry *dir, - struct nameidata *nd, bool *need_lookup) + unsigned int flags, bool *need_lookup) { struct dentry *dentry; int error; @@ -1059,7 +1106,7 @@ static struct dentry *lookup_dcache(struct qstr *name, struct dentry *dir, if (d_need_lookup(dentry)) { *need_lookup = true; } else if (dentry->d_flags & DCACHE_OP_REVALIDATE) { - error = d_revalidate(dentry, nd); + error = d_revalidate(dentry, flags); if (unlikely(error <= 0)) { if (error < 0) { dput(dentry); @@ -1089,7 +1136,7 @@ static struct dentry *lookup_dcache(struct qstr *name, struct dentry *dir, * dir->d_inode->i_mutex must be held */ static struct dentry *lookup_real(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct dentry *old; @@ -1099,7 +1146,7 @@ static struct dentry *lookup_real(struct inode *dir, struct dentry *dentry, return ERR_PTR(-ENOENT); } - old = dir->i_op->lookup(dir, dentry, nd); + old = dir->i_op->lookup(dir, dentry, flags); if (unlikely(old)) { dput(dentry); dentry = old; @@ -1108,16 +1155,16 @@ static struct dentry *lookup_real(struct inode *dir, struct dentry *dentry, } static struct dentry *__lookup_hash(struct qstr *name, - struct dentry *base, struct nameidata *nd) + struct dentry *base, unsigned int flags) { bool need_lookup; struct dentry *dentry; - dentry = lookup_dcache(name, base, nd, &need_lookup); + dentry = lookup_dcache(name, base, flags, &need_lookup); if (!need_lookup) return dentry; - return lookup_real(base->d_inode, dentry, nd); + return lookup_real(base->d_inode, dentry, flags); } /* @@ -1167,7 +1214,7 @@ static int lookup_fast(struct nameidata *nd, struct qstr *name, if (unlikely(d_need_lookup(dentry))) goto unlazy; if (unlikely(dentry->d_flags & DCACHE_OP_REVALIDATE)) { - status = d_revalidate(dentry, nd); + status = d_revalidate(dentry, nd->flags); if (unlikely(status <= 0)) { if (status != -ECHILD) need_reval = 0; @@ -1197,7 +1244,7 @@ unlazy: } if (unlikely(dentry->d_flags & DCACHE_OP_REVALIDATE) && need_reval) - status = d_revalidate(dentry, nd); + status = d_revalidate(dentry, nd->flags); if (unlikely(status <= 0)) { if (status < 0) { dput(dentry); @@ -1236,7 +1283,7 @@ static int lookup_slow(struct nameidata *nd, struct qstr *name, BUG_ON(nd->inode != parent->d_inode); mutex_lock(&parent->d_inode->i_mutex); - dentry = __lookup_hash(name, parent, nd); + dentry = __lookup_hash(name, parent, nd->flags); mutex_unlock(&parent->d_inode->i_mutex); if (IS_ERR(dentry)) return PTR_ERR(dentry); @@ -1284,8 +1331,7 @@ static void terminate_walk(struct nameidata *nd) nd->flags &= ~LOOKUP_RCU; if (!(nd->flags & LOOKUP_ROOT)) nd->root.mnt = NULL; - rcu_read_unlock(); - br_read_unlock(&vfsmount_lock); + unlock_rcu_walk(); } } @@ -1383,9 +1429,10 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd) void *cookie; res = follow_link(&link, nd, &cookie); - if (!res) - res = walk_component(nd, path, &nd->last, - nd->last_type, LOOKUP_FOLLOW); + if (res) + break; + res = walk_component(nd, path, &nd->last, + nd->last_type, LOOKUP_FOLLOW); put_link(nd, &link, cookie); } while (res > 0); @@ -1651,8 +1698,7 @@ static int path_init(int dfd, const char *name, unsigned int flags, nd->path = nd->root; nd->inode = inode; if (flags & LOOKUP_RCU) { - br_read_lock(&vfsmount_lock); - rcu_read_lock(); + lock_rcu_walk(); nd->seq = __read_seqcount_begin(&nd->path.dentry->d_seq); } else { path_get(&nd->path); @@ -1664,8 +1710,7 @@ static int path_init(int dfd, const char *name, unsigned int flags, if (*name=='/') { if (flags & LOOKUP_RCU) { - br_read_lock(&vfsmount_lock); - rcu_read_lock(); + lock_rcu_walk(); set_root_rcu(nd); } else { set_root(nd); @@ -1677,8 +1722,7 @@ static int path_init(int dfd, const char *name, unsigned int flags, struct fs_struct *fs = current->fs; unsigned seq; - br_read_lock(&vfsmount_lock); - rcu_read_lock(); + lock_rcu_walk(); do { seq = read_seqcount_begin(&fs->seq); @@ -1713,8 +1757,7 @@ static int path_init(int dfd, const char *name, unsigned int flags, if (fput_needed) *fp = file; nd->seq = __read_seqcount_begin(&nd->path.dentry->d_seq); - br_read_lock(&vfsmount_lock); - rcu_read_lock(); + lock_rcu_walk(); } else { path_get(&file->f_path); fput_light(file, fput_needed); @@ -1777,8 +1820,9 @@ static int path_lookupat(int dfd, const char *name, struct path link = path; nd->flags |= LOOKUP_PARENT; err = follow_link(&link, nd, &cookie); - if (!err) - err = lookup_last(nd, &path); + if (err) + break; + err = lookup_last(nd, &path); put_link(nd, &link, cookie); } } @@ -1821,9 +1865,27 @@ static int do_path_lookup(int dfd, const char *name, return retval; } -int kern_path_parent(const char *name, struct nameidata *nd) +/* does lookup, returns the object with parent locked */ +struct dentry *kern_path_locked(const char *name, struct path *path) { - return do_path_lookup(AT_FDCWD, name, LOOKUP_PARENT, nd); + struct nameidata nd; + struct dentry *d; + int err = do_path_lookup(AT_FDCWD, name, LOOKUP_PARENT, &nd); + if (err) + return ERR_PTR(err); + if (nd.last_type != LAST_NORM) { + path_put(&nd.path); + return ERR_PTR(-EINVAL); + } + mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT); + d = __lookup_hash(&nd.last, nd.path.dentry, 0); + if (IS_ERR(d)) { + mutex_unlock(&nd.path.dentry->d_inode->i_mutex); + path_put(&nd.path); + return d; + } + *path = nd.path; + return d; } int kern_path(const char *name, unsigned int flags, struct path *path) @@ -1866,7 +1928,7 @@ int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt, */ static struct dentry *lookup_hash(struct nameidata *nd) { - return __lookup_hash(&nd->last, nd->path.dentry, nd); + return __lookup_hash(&nd->last, nd->path.dentry, nd->flags); } /** @@ -1913,7 +1975,7 @@ struct dentry *lookup_one_len(const char *name, struct dentry *base, int len) if (err) return ERR_PTR(err); - return __lookup_hash(&this, base, NULL); + return __lookup_hash(&this, base, 0); } int user_path_at_empty(int dfd, const char __user *name, unsigned flags, @@ -2086,10 +2148,9 @@ void unlock_rename(struct dentry *p1, struct dentry *p2) } int vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool want_excl) { int error = may_create(dir, dentry); - if (error) return error; @@ -2100,7 +2161,7 @@ int vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, error = security_inode_create(dir, dentry, mode); if (error) return error; - error = dir->i_op->create(dir, dentry, mode, nd); + error = dir->i_op->create(dir, dentry, mode, want_excl); if (!error) fsnotify_create(dir, dentry); return error; @@ -2187,21 +2248,275 @@ static inline int open_to_namei_flags(int flag) return flag; } +static int may_o_create(struct path *dir, struct dentry *dentry, umode_t mode) +{ + int error = security_path_mknod(dir, dentry, mode, 0); + if (error) + return error; + + error = inode_permission(dir->dentry->d_inode, MAY_WRITE | MAY_EXEC); + if (error) + return error; + + return security_inode_create(dir->dentry->d_inode, dentry, mode); +} + /* - * Handle the last step of open() + * Attempt to atomically look up, create and open a file from a negative + * dentry. + * + * Returns 0 if successful. The file will have been created and attached to + * @file by the filesystem calling finish_open(). + * + * Returns 1 if the file was looked up only or didn't need creating. The + * caller will need to perform the open themselves. @path will have been + * updated to point to the new dentry. This may be negative. + * + * Returns an error code otherwise. + */ +static int atomic_open(struct nameidata *nd, struct dentry *dentry, + struct path *path, struct file *file, + const struct open_flags *op, + bool *want_write, bool need_lookup, + int *opened) +{ + struct inode *dir = nd->path.dentry->d_inode; + unsigned open_flag = open_to_namei_flags(op->open_flag); + umode_t mode; + int error; + int acc_mode; + int create_error = 0; + struct dentry *const DENTRY_NOT_SET = (void *) -1UL; + + BUG_ON(dentry->d_inode); + + /* Don't create child dentry for a dead directory. */ + if (unlikely(IS_DEADDIR(dir))) { + error = -ENOENT; + goto out; + } + + mode = op->mode & S_IALLUGO; + if ((open_flag & O_CREAT) && !IS_POSIXACL(dir)) + mode &= ~current_umask(); + + if (open_flag & O_EXCL) { + open_flag &= ~O_TRUNC; + *opened |= FILE_CREATED; + } + + /* + * Checking write permission is tricky, bacuse we don't know if we are + * going to actually need it: O_CREAT opens should work as long as the + * file exists. But checking existence breaks atomicity. The trick is + * to check access and if not granted clear O_CREAT from the flags. + * + * Another problem is returing the "right" error value (e.g. for an + * O_EXCL open we want to return EEXIST not EROFS). + */ + if ((open_flag & (O_CREAT | O_TRUNC)) || + (open_flag & O_ACCMODE) != O_RDONLY) { + error = mnt_want_write(nd->path.mnt); + if (!error) { + *want_write = true; + } else if (!(open_flag & O_CREAT)) { + /* + * No O_CREATE -> atomicity not a requirement -> fall + * back to lookup + open + */ + goto no_open; + } else if (open_flag & (O_EXCL | O_TRUNC)) { + /* Fall back and fail with the right error */ + create_error = error; + goto no_open; + } else { + /* No side effects, safe to clear O_CREAT */ + create_error = error; + open_flag &= ~O_CREAT; + } + } + + if (open_flag & O_CREAT) { + error = may_o_create(&nd->path, dentry, op->mode); + if (error) { + create_error = error; + if (open_flag & O_EXCL) + goto no_open; + open_flag &= ~O_CREAT; + } + } + + if (nd->flags & LOOKUP_DIRECTORY) + open_flag |= O_DIRECTORY; + + file->f_path.dentry = DENTRY_NOT_SET; + file->f_path.mnt = nd->path.mnt; + error = dir->i_op->atomic_open(dir, dentry, file, open_flag, mode, + opened); + if (error < 0) { + if (create_error && error == -ENOENT) + error = create_error; + goto out; + } + + acc_mode = op->acc_mode; + if (*opened & FILE_CREATED) { + fsnotify_create(dir, dentry); + acc_mode = MAY_OPEN; + } + + if (error) { /* returned 1, that is */ + if (WARN_ON(file->f_path.dentry == DENTRY_NOT_SET)) { + error = -EIO; + goto out; + } + if (file->f_path.dentry) { + dput(dentry); + dentry = file->f_path.dentry; + } + goto looked_up; + } + + /* + * We didn't have the inode before the open, so check open permission + * here. + */ + error = may_open(&file->f_path, acc_mode, open_flag); + if (error) + fput(file); + +out: + dput(dentry); + return error; + +no_open: + if (need_lookup) { + dentry = lookup_real(dir, dentry, nd->flags); + if (IS_ERR(dentry)) + return PTR_ERR(dentry); + + if (create_error) { + int open_flag = op->open_flag; + + error = create_error; + if ((open_flag & O_EXCL)) { + if (!dentry->d_inode) + goto out; + } else if (!dentry->d_inode) { + goto out; + } else if ((open_flag & O_TRUNC) && + S_ISREG(dentry->d_inode->i_mode)) { + goto out; + } + /* will fail later, go on to get the right error */ + } + } +looked_up: + path->dentry = dentry; + path->mnt = nd->path.mnt; + return 1; +} + +/* + * Look up and maybe create and open the last component. + * + * Must be called with i_mutex held on parent. + * + * Returns 0 if the file was successfully atomically created (if necessary) and + * opened. In this case the file will be returned attached to @file. + * + * Returns 1 if the file was not completely opened at this time, though lookups + * and creations will have been performed and the dentry returned in @path will + * be positive upon return if O_CREAT was specified. If O_CREAT wasn't + * specified then a negative dentry may be returned. + * + * An error code is returned otherwise. + * + * FILE_CREATE will be set in @*opened if the dentry was created and will be + * cleared otherwise prior to returning. */ -static struct file *do_last(struct nameidata *nd, struct path *path, - const struct open_flags *op, const char *pathname) +static int lookup_open(struct nameidata *nd, struct path *path, + struct file *file, + const struct open_flags *op, + bool *want_write, int *opened) { struct dentry *dir = nd->path.dentry; + struct inode *dir_inode = dir->d_inode; struct dentry *dentry; + int error; + bool need_lookup; + + *opened &= ~FILE_CREATED; + dentry = lookup_dcache(&nd->last, dir, nd->flags, &need_lookup); + if (IS_ERR(dentry)) + return PTR_ERR(dentry); + + /* Cached positive dentry: will open in f_op->open */ + if (!need_lookup && dentry->d_inode) + goto out_no_open; + + if ((nd->flags & LOOKUP_OPEN) && dir_inode->i_op->atomic_open) { + return atomic_open(nd, dentry, path, file, op, want_write, + need_lookup, opened); + } + + if (need_lookup) { + BUG_ON(dentry->d_inode); + + dentry = lookup_real(dir_inode, dentry, nd->flags); + if (IS_ERR(dentry)) + return PTR_ERR(dentry); + } + + /* Negative dentry, just create the file */ + if (!dentry->d_inode && (op->open_flag & O_CREAT)) { + umode_t mode = op->mode; + if (!IS_POSIXACL(dir->d_inode)) + mode &= ~current_umask(); + /* + * This write is needed to ensure that a + * rw->ro transition does not occur between + * the time when the file is created and when + * a permanent write count is taken through + * the 'struct file' in finish_open(). + */ + error = mnt_want_write(nd->path.mnt); + if (error) + goto out_dput; + *want_write = true; + *opened |= FILE_CREATED; + error = security_path_mknod(&nd->path, dentry, mode, 0); + if (error) + goto out_dput; + error = vfs_create(dir->d_inode, dentry, mode, + nd->flags & LOOKUP_EXCL); + if (error) + goto out_dput; + } +out_no_open: + path->dentry = dentry; + path->mnt = nd->path.mnt; + return 1; + +out_dput: + dput(dentry); + return error; +} + +/* + * Handle the last step of open() + */ +static int do_last(struct nameidata *nd, struct path *path, + struct file *file, const struct open_flags *op, + int *opened, const char *pathname) +{ + struct dentry *dir = nd->path.dentry; int open_flag = op->open_flag; - int will_truncate = open_flag & O_TRUNC; - int want_write = 0; + bool will_truncate = (open_flag & O_TRUNC) != 0; + bool want_write = false; int acc_mode = op->acc_mode; - struct file *filp; struct inode *inode; - int symlink_ok = 0; + bool symlink_ok = false; struct path save_parent = { .dentry = NULL, .mnt = NULL }; bool retried = false; int error; @@ -2214,112 +2529,99 @@ static struct file *do_last(struct nameidata *nd, struct path *path, case LAST_DOT: error = handle_dots(nd, nd->last_type); if (error) - return ERR_PTR(error); + return error; /* fallthrough */ case LAST_ROOT: error = complete_walk(nd); if (error) - return ERR_PTR(error); + return error; audit_inode(pathname, nd->path.dentry); if (open_flag & O_CREAT) { error = -EISDIR; - goto exit; + goto out; } - goto ok; + goto finish_open; case LAST_BIND: error = complete_walk(nd); if (error) - return ERR_PTR(error); + return error; audit_inode(pathname, dir); - goto ok; + goto finish_open; } if (!(open_flag & O_CREAT)) { if (nd->last.name[nd->last.len]) nd->flags |= LOOKUP_FOLLOW | LOOKUP_DIRECTORY; if (open_flag & O_PATH && !(nd->flags & LOOKUP_FOLLOW)) - symlink_ok = 1; + symlink_ok = true; /* we _can_ be in RCU mode here */ error = lookup_fast(nd, &nd->last, path, &inode); - if (unlikely(error)) { - if (error < 0) - goto exit; + if (likely(!error)) + goto finish_lookup; - error = lookup_slow(nd, &nd->last, path); - if (error < 0) - goto exit; + if (error < 0) + goto out; - inode = path->dentry->d_inode; - } - goto finish_lookup; - } - - /* create side of things */ - /* - * This will *only* deal with leaving RCU mode - LOOKUP_JUMPED has been - * cleared when we got to the last component we are about to look up - */ - error = complete_walk(nd); - if (error) - return ERR_PTR(error); + BUG_ON(nd->inode != dir->d_inode); + } else { + /* create side of things */ + /* + * This will *only* deal with leaving RCU mode - LOOKUP_JUMPED + * has been cleared when we got to the last component we are + * about to look up + */ + error = complete_walk(nd); + if (error) + return error; - audit_inode(pathname, dir); - error = -EISDIR; - /* trailing slashes? */ - if (nd->last.name[nd->last.len]) - goto exit; + audit_inode(pathname, dir); + error = -EISDIR; + /* trailing slashes? */ + if (nd->last.name[nd->last.len]) + goto out; + } retry_lookup: mutex_lock(&dir->d_inode->i_mutex); + error = lookup_open(nd, path, file, op, &want_write, opened); + mutex_unlock(&dir->d_inode->i_mutex); - dentry = lookup_hash(nd); - error = PTR_ERR(dentry); - if (IS_ERR(dentry)) { - mutex_unlock(&dir->d_inode->i_mutex); - goto exit; - } + if (error <= 0) { + if (error) + goto out; - path->dentry = dentry; - path->mnt = nd->path.mnt; + if ((*opened & FILE_CREATED) || + !S_ISREG(file->f_path.dentry->d_inode->i_mode)) + will_truncate = false; - /* Negative dentry, just create the file */ - if (!dentry->d_inode) { - umode_t mode = op->mode; - if (!IS_POSIXACL(dir->d_inode)) - mode &= ~current_umask(); - /* - * This write is needed to ensure that a - * rw->ro transition does not occur between - * the time when the file is created and when - * a permanent write count is taken through - * the 'struct file' in nameidata_to_filp(). - */ - error = mnt_want_write(nd->path.mnt); - if (error) - goto exit_mutex_unlock; - want_write = 1; + audit_inode(pathname, file->f_path.dentry); + goto opened; + } + + if (*opened & FILE_CREATED) { /* Don't check for write permission, don't truncate */ open_flag &= ~O_TRUNC; - will_truncate = 0; + will_truncate = false; acc_mode = MAY_OPEN; - error = security_path_mknod(&nd->path, dentry, mode, 0); - if (error) - goto exit_mutex_unlock; - error = vfs_create(dir->d_inode, dentry, mode, nd); - if (error) - goto exit_mutex_unlock; - mutex_unlock(&dir->d_inode->i_mutex); - dput(nd->path.dentry); - nd->path.dentry = dentry; - goto common; + path_to_nameidata(path, nd); + goto finish_open_created; } /* * It already exists. */ - mutex_unlock(&dir->d_inode->i_mutex); audit_inode(pathname, path->dentry); + /* + * If atomic_open() acquired write access it is dropped now due to + * possible mount and symlink following (this might be optimized away if + * necessary...) + */ + if (want_write) { + mnt_drop_write(nd->path.mnt); + want_write = false; + } + error = -EEXIST; if (open_flag & O_EXCL) goto exit_dput; @@ -2338,18 +2640,18 @@ finish_lookup: error = -ENOENT; if (!inode) { path_to_nameidata(path, nd); - goto exit; + goto out; } if (should_follow_link(inode, !symlink_ok)) { if (nd->flags & LOOKUP_RCU) { if (unlikely(unlazy_walk(nd, path->dentry))) { error = -ECHILD; - goto exit; + goto out; } } BUG_ON(inode != path->dentry->d_inode); - return NULL; + return 1; } if ((nd->flags & LOOKUP_RCU) || nd->path.mnt != path->mnt) { @@ -2365,119 +2667,122 @@ finish_lookup: error = complete_walk(nd); if (error) { path_put(&save_parent); - return ERR_PTR(error); + return error; } error = -EISDIR; if ((open_flag & O_CREAT) && S_ISDIR(nd->inode->i_mode)) - goto exit; + goto out; error = -ENOTDIR; if ((nd->flags & LOOKUP_DIRECTORY) && !nd->inode->i_op->lookup) - goto exit; + goto out; audit_inode(pathname, nd->path.dentry); -ok: +finish_open: if (!S_ISREG(nd->inode->i_mode)) - will_truncate = 0; + will_truncate = false; if (will_truncate) { error = mnt_want_write(nd->path.mnt); if (error) - goto exit; - want_write = 1; + goto out; + want_write = true; } -common: +finish_open_created: error = may_open(&nd->path, acc_mode, open_flag); if (error) - goto exit; - filp = nameidata_to_filp(nd); - if (filp == ERR_PTR(-EOPENSTALE) && save_parent.dentry && !retried) { - BUG_ON(save_parent.dentry != dir); - path_put(&nd->path); - nd->path = save_parent; - nd->inode = dir->d_inode; - save_parent.mnt = NULL; - save_parent.dentry = NULL; - if (want_write) { - mnt_drop_write(nd->path.mnt); - want_write = 0; - } - retried = true; - goto retry_lookup; - } - if (!IS_ERR(filp)) { - error = ima_file_check(filp, op->acc_mode); - if (error) { - fput(filp); - filp = ERR_PTR(error); - } + goto out; + file->f_path.mnt = nd->path.mnt; + error = finish_open(file, nd->path.dentry, NULL, opened); + if (error) { + if (error == -EOPENSTALE) + goto stale_open; + goto out; } - if (!IS_ERR(filp)) { - if (will_truncate) { - error = handle_truncate(filp); - if (error) { - fput(filp); - filp = ERR_PTR(error); - } - } +opened: + error = open_check_o_direct(file); + if (error) + goto exit_fput; + error = ima_file_check(file, op->acc_mode); + if (error) + goto exit_fput; + + if (will_truncate) { + error = handle_truncate(file); + if (error) + goto exit_fput; } out: if (want_write) mnt_drop_write(nd->path.mnt); path_put(&save_parent); terminate_walk(nd); - return filp; + return error; -exit_mutex_unlock: - mutex_unlock(&dir->d_inode->i_mutex); exit_dput: path_put_conditional(path, nd); -exit: - filp = ERR_PTR(error); goto out; +exit_fput: + fput(file); + goto out; + +stale_open: + /* If no saved parent or already retried then can't retry */ + if (!save_parent.dentry || retried) + goto out; + + BUG_ON(save_parent.dentry != dir); + path_put(&nd->path); + nd->path = save_parent; + nd->inode = dir->d_inode; + save_parent.mnt = NULL; + save_parent.dentry = NULL; + if (want_write) { + mnt_drop_write(nd->path.mnt); + want_write = false; + } + retried = true; + goto retry_lookup; } static struct file *path_openat(int dfd, const char *pathname, struct nameidata *nd, const struct open_flags *op, int flags) { struct file *base = NULL; - struct file *filp; + struct file *file; struct path path; + int opened = 0; int error; - filp = get_empty_filp(); - if (!filp) + file = get_empty_filp(); + if (!file) return ERR_PTR(-ENFILE); - filp->f_flags = op->open_flag; - nd->intent.open.file = filp; - nd->intent.open.flags = open_to_namei_flags(op->open_flag); - nd->intent.open.create_mode = op->mode; + file->f_flags = op->open_flag; error = path_init(dfd, pathname, flags | LOOKUP_PARENT, nd, &base); if (unlikely(error)) - goto out_filp; + goto out; current->total_link_count = 0; error = link_path_walk(pathname, nd); if (unlikely(error)) - goto out_filp; + goto out; - filp = do_last(nd, &path, op, pathname); - while (unlikely(!filp)) { /* trailing symlink */ + error = do_last(nd, &path, file, op, &opened, pathname); + while (unlikely(error > 0)) { /* trailing symlink */ struct path link = path; void *cookie; if (!(nd->flags & LOOKUP_FOLLOW)) { path_put_conditional(&path, nd); path_put(&nd->path); - filp = ERR_PTR(-ELOOP); + error = -ELOOP; break; } nd->flags |= LOOKUP_PARENT; nd->flags &= ~(LOOKUP_OPEN|LOOKUP_CREATE|LOOKUP_EXCL); error = follow_link(&link, nd, &cookie); if (unlikely(error)) - filp = ERR_PTR(error); - else - filp = do_last(nd, &path, op, pathname); + break; + error = do_last(nd, &path, file, op, &opened, pathname); put_link(nd, &link, cookie); } out: @@ -2485,18 +2790,20 @@ out: path_put(&nd->root); if (base) fput(base); - release_open_intent(nd); - if (filp == ERR_PTR(-EOPENSTALE)) { - if (flags & LOOKUP_RCU) - filp = ERR_PTR(-ECHILD); - else - filp = ERR_PTR(-ESTALE); + if (!(opened & FILE_OPENED)) { + BUG_ON(!error); + put_filp(file); } - return filp; - -out_filp: - filp = ERR_PTR(error); - goto out; + if (unlikely(error)) { + if (error == -EOPENSTALE) { + if (flags & LOOKUP_RCU) + error = -ECHILD; + else + error = -ESTALE; + } + file = ERR_PTR(error); + } + return file; } struct file *do_filp_open(int dfd, const char *pathname, @@ -2551,7 +2858,6 @@ struct dentry *kern_path_create(int dfd, const char *pathname, struct path *path goto out; nd.flags &= ~LOOKUP_PARENT; nd.flags |= LOOKUP_CREATE | LOOKUP_EXCL; - nd.intent.open.flags = O_EXCL; /* * Do the final lookup. @@ -2670,7 +2976,7 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode, goto out_drop_write; switch (mode & S_IFMT) { case 0: case S_IFREG: - error = vfs_create(path.dentry->d_inode,dentry,mode,NULL); + error = vfs_create(path.dentry->d_inode,dentry,mode,true); break; case S_IFCHR: case S_IFBLK: error = vfs_mknod(path.dentry->d_inode,dentry,mode, diff --git a/fs/namespace.c b/fs/namespace.c index 1e4a5fe3d7b7..c53d3381b0d0 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -515,8 +515,20 @@ struct mount *__lookup_mnt(struct vfsmount *mnt, struct dentry *dentry, } /* - * lookup_mnt increments the ref count before returning - * the vfsmount struct. + * lookup_mnt - Return the first child mount mounted at path + * + * "First" means first mounted chronologically. If you create the + * following mounts: + * + * mount /dev/sda1 /mnt + * mount /dev/sda2 /mnt + * mount /dev/sda3 /mnt + * + * Then lookup_mnt() on the base /mnt dentry in the root mount will + * return successively the root dentry and vfsmount of /dev/sda1, then + * /dev/sda2, then /dev/sda3, then NULL. + * + * lookup_mnt takes a reference to the found vfsmount. */ struct vfsmount *lookup_mnt(struct path *path) { @@ -621,21 +633,6 @@ static void attach_mnt(struct mount *mnt, struct path *path) list_add_tail(&mnt->mnt_child, &real_mount(path->mnt)->mnt_mounts); } -static inline void __mnt_make_longterm(struct mount *mnt) -{ -#ifdef CONFIG_SMP - atomic_inc(&mnt->mnt_longterm); -#endif -} - -/* needs vfsmount lock for write */ -static inline void __mnt_make_shortterm(struct mount *mnt) -{ -#ifdef CONFIG_SMP - atomic_dec(&mnt->mnt_longterm); -#endif -} - /* * vfsmount lock must be held for write */ @@ -649,10 +646,8 @@ static void commit_tree(struct mount *mnt) BUG_ON(parent == mnt); list_add_tail(&head, &mnt->mnt_list); - list_for_each_entry(m, &head, mnt_list) { + list_for_each_entry(m, &head, mnt_list) m->mnt_ns = n; - __mnt_make_longterm(m); - } list_splice(&head, n->list.prev); @@ -725,56 +720,60 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root, int flag) { struct super_block *sb = old->mnt.mnt_sb; - struct mount *mnt = alloc_vfsmnt(old->mnt_devname); + struct mount *mnt; + int err; - if (mnt) { - if (flag & (CL_SLAVE | CL_PRIVATE)) - mnt->mnt_group_id = 0; /* not a peer of original */ - else - mnt->mnt_group_id = old->mnt_group_id; - - if ((flag & CL_MAKE_SHARED) && !mnt->mnt_group_id) { - int err = mnt_alloc_group_id(mnt); - if (err) - goto out_free; - } + mnt = alloc_vfsmnt(old->mnt_devname); + if (!mnt) + return ERR_PTR(-ENOMEM); - mnt->mnt.mnt_flags = old->mnt.mnt_flags & ~MNT_WRITE_HOLD; - atomic_inc(&sb->s_active); - mnt->mnt.mnt_sb = sb; - mnt->mnt.mnt_root = dget(root); - mnt->mnt_mountpoint = mnt->mnt.mnt_root; - mnt->mnt_parent = mnt; - br_write_lock(&vfsmount_lock); - list_add_tail(&mnt->mnt_instance, &sb->s_mounts); - br_write_unlock(&vfsmount_lock); + if (flag & (CL_SLAVE | CL_PRIVATE)) + mnt->mnt_group_id = 0; /* not a peer of original */ + else + mnt->mnt_group_id = old->mnt_group_id; - if (flag & CL_SLAVE) { - list_add(&mnt->mnt_slave, &old->mnt_slave_list); - mnt->mnt_master = old; - CLEAR_MNT_SHARED(mnt); - } else if (!(flag & CL_PRIVATE)) { - if ((flag & CL_MAKE_SHARED) || IS_MNT_SHARED(old)) - list_add(&mnt->mnt_share, &old->mnt_share); - if (IS_MNT_SLAVE(old)) - list_add(&mnt->mnt_slave, &old->mnt_slave); - mnt->mnt_master = old->mnt_master; - } - if (flag & CL_MAKE_SHARED) - set_mnt_shared(mnt); - - /* stick the duplicate mount on the same expiry list - * as the original if that was on one */ - if (flag & CL_EXPIRE) { - if (!list_empty(&old->mnt_expire)) - list_add(&mnt->mnt_expire, &old->mnt_expire); - } + if ((flag & CL_MAKE_SHARED) && !mnt->mnt_group_id) { + err = mnt_alloc_group_id(mnt); + if (err) + goto out_free; } + + mnt->mnt.mnt_flags = old->mnt.mnt_flags & ~MNT_WRITE_HOLD; + atomic_inc(&sb->s_active); + mnt->mnt.mnt_sb = sb; + mnt->mnt.mnt_root = dget(root); + mnt->mnt_mountpoint = mnt->mnt.mnt_root; + mnt->mnt_parent = mnt; + br_write_lock(&vfsmount_lock); + list_add_tail(&mnt->mnt_instance, &sb->s_mounts); + br_write_unlock(&vfsmount_lock); + + if (flag & CL_SLAVE) { + list_add(&mnt->mnt_slave, &old->mnt_slave_list); + mnt->mnt_master = old; + CLEAR_MNT_SHARED(mnt); + } else if (!(flag & CL_PRIVATE)) { + if ((flag & CL_MAKE_SHARED) || IS_MNT_SHARED(old)) + list_add(&mnt->mnt_share, &old->mnt_share); + if (IS_MNT_SLAVE(old)) + list_add(&mnt->mnt_slave, &old->mnt_slave); + mnt->mnt_master = old->mnt_master; + } + if (flag & CL_MAKE_SHARED) + set_mnt_shared(mnt); + + /* stick the duplicate mount on the same expiry list + * as the original if that was on one */ + if (flag & CL_EXPIRE) { + if (!list_empty(&old->mnt_expire)) + list_add(&mnt->mnt_expire, &old->mnt_expire); + } + return mnt; out_free: free_vfsmnt(mnt); - return NULL; + return ERR_PTR(err); } static inline void mntfree(struct mount *mnt) @@ -804,7 +803,8 @@ static void mntput_no_expire(struct mount *mnt) put_again: #ifdef CONFIG_SMP br_read_lock(&vfsmount_lock); - if (likely(atomic_read(&mnt->mnt_longterm))) { + if (likely(mnt->mnt_ns)) { + /* shouldn't be the last one */ mnt_add_count(mnt, -1); br_read_unlock(&vfsmount_lock); return; @@ -939,7 +939,7 @@ EXPORT_SYMBOL(replace_mount_options); /* iterator; we want it to have access to namespace_sem, thus here... */ static void *m_start(struct seq_file *m, loff_t *pos) { - struct proc_mounts *p = container_of(m, struct proc_mounts, m); + struct proc_mounts *p = proc_mounts(m); down_read(&namespace_sem); return seq_list_start(&p->ns->list, *pos); @@ -947,7 +947,7 @@ static void *m_start(struct seq_file *m, loff_t *pos) static void *m_next(struct seq_file *m, void *v, loff_t *pos) { - struct proc_mounts *p = container_of(m, struct proc_mounts, m); + struct proc_mounts *p = proc_mounts(m); return seq_list_next(v, &p->ns->list, pos); } @@ -959,7 +959,7 @@ static void m_stop(struct seq_file *m, void *v) static int m_show(struct seq_file *m, void *v) { - struct proc_mounts *p = container_of(m, struct proc_mounts, m); + struct proc_mounts *p = proc_mounts(m); struct mount *r = list_entry(v, struct mount, mnt_list); return p->show(m, &r->mnt); } @@ -1074,8 +1074,6 @@ void umount_tree(struct mount *mnt, int propagate, struct list_head *kill) list_del_init(&p->mnt_expire); list_del_init(&p->mnt_list); __touch_mnt_namespace(p->mnt_ns); - if (p->mnt_ns) - __mnt_make_shortterm(p); p->mnt_ns = NULL; list_del_init(&p->mnt_child); if (mnt_has_parent(p)) { @@ -1260,11 +1258,12 @@ struct mount *copy_tree(struct mount *mnt, struct dentry *dentry, struct path path; if (!(flag & CL_COPY_ALL) && IS_MNT_UNBINDABLE(mnt)) - return NULL; + return ERR_PTR(-EINVAL); res = q = clone_mnt(mnt, dentry, flag); - if (!q) - goto Enomem; + if (IS_ERR(q)) + return q; + q->mnt_mountpoint = mnt->mnt_mountpoint; p = mnt; @@ -1286,8 +1285,8 @@ struct mount *copy_tree(struct mount *mnt, struct dentry *dentry, path.mnt = &q->mnt; path.dentry = p->mnt_mountpoint; q = clone_mnt(p, p->mnt.mnt_root, flag); - if (!q) - goto Enomem; + if (IS_ERR(q)) + goto out; br_write_lock(&vfsmount_lock); list_add_tail(&q->mnt_list, &res->mnt_list); attach_mnt(q, &path); @@ -1295,7 +1294,7 @@ struct mount *copy_tree(struct mount *mnt, struct dentry *dentry, } } return res; -Enomem: +out: if (res) { LIST_HEAD(umount_list); br_write_lock(&vfsmount_lock); @@ -1303,9 +1302,11 @@ Enomem: br_write_unlock(&vfsmount_lock); release_mounts(&umount_list); } - return NULL; + return q; } +/* Caller should check returned pointer for errors */ + struct vfsmount *collect_mounts(struct path *path) { struct mount *tree; @@ -1313,7 +1314,9 @@ struct vfsmount *collect_mounts(struct path *path) tree = copy_tree(real_mount(path->mnt), path->dentry, CL_COPY_ALL | CL_PRIVATE); up_write(&namespace_sem); - return tree ? &tree->mnt : NULL; + if (IS_ERR(tree)) + return NULL; + return &tree->mnt; } void drop_collected_mounts(struct vfsmount *mnt) @@ -1608,14 +1611,15 @@ static int do_loopback(struct path *path, char *old_name, if (!check_mnt(real_mount(path->mnt)) || !check_mnt(old)) goto out2; - err = -ENOMEM; if (recurse) mnt = copy_tree(old, old_path.dentry, 0); else mnt = clone_mnt(old, old_path.dentry, 0); - if (!mnt) - goto out2; + if (IS_ERR(mnt)) { + err = PTR_ERR(mnt); + goto out; + } err = graft_tree(mnt, path); if (err) { @@ -2209,23 +2213,6 @@ static struct mnt_namespace *alloc_mnt_ns(void) return new_ns; } -void mnt_make_longterm(struct vfsmount *mnt) -{ - __mnt_make_longterm(real_mount(mnt)); -} - -void mnt_make_shortterm(struct vfsmount *m) -{ -#ifdef CONFIG_SMP - struct mount *mnt = real_mount(m); - if (atomic_add_unless(&mnt->mnt_longterm, -1, 1)) - return; - br_write_lock(&vfsmount_lock); - atomic_dec(&mnt->mnt_longterm); - br_write_unlock(&vfsmount_lock); -#endif -} - /* * Allocate a new namespace structure and populate it with contents * copied from the namespace of the passed in task structure. @@ -2246,10 +2233,10 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns, down_write(&namespace_sem); /* First pass: copy the tree topology */ new = copy_tree(old, old->mnt.mnt_root, CL_COPY_ALL | CL_EXPIRE); - if (!new) { + if (IS_ERR(new)) { up_write(&namespace_sem); kfree(new_ns); - return ERR_PTR(-ENOMEM); + return ERR_CAST(new); } new_ns->root = new; br_write_lock(&vfsmount_lock); @@ -2265,18 +2252,13 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns, q = new; while (p) { q->mnt_ns = new_ns; - __mnt_make_longterm(q); if (fs) { if (&p->mnt == fs->root.mnt) { fs->root.mnt = mntget(&q->mnt); - __mnt_make_longterm(q); - mnt_make_shortterm(&p->mnt); rootmnt = &p->mnt; } if (&p->mnt == fs->pwd.mnt) { fs->pwd.mnt = mntget(&q->mnt); - __mnt_make_longterm(q); - mnt_make_shortterm(&p->mnt); pwdmnt = &p->mnt; } } @@ -2320,7 +2302,6 @@ static struct mnt_namespace *create_mnt_ns(struct vfsmount *m) if (!IS_ERR(new_ns)) { struct mount *mnt = real_mount(m); mnt->mnt_ns = new_ns; - __mnt_make_longterm(mnt); new_ns->root = mnt; list_add(&new_ns->list, &mnt->mnt_list); } else { @@ -2615,7 +2596,7 @@ struct vfsmount *kern_mount_data(struct file_system_type *type, void *data) * it is a longterm mount, don't release mnt until * we unmount before file sys is unregistered */ - mnt_make_longterm(mnt); + real_mount(mnt)->mnt_ns = MNT_NS_INTERNAL; } return mnt; } @@ -2625,7 +2606,9 @@ void kern_unmount(struct vfsmount *mnt) { /* release long term mount so mount point can be released */ if (!IS_ERR_OR_NULL(mnt)) { - mnt_make_shortterm(mnt); + br_write_lock(&vfsmount_lock); + real_mount(mnt)->mnt_ns = NULL; + br_write_unlock(&vfsmount_lock); mntput(mnt); } } diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c index aeed93a6bde0..4117e7b377bb 100644 --- a/fs/ncpfs/dir.c +++ b/fs/ncpfs/dir.c @@ -30,8 +30,8 @@ static void ncp_do_readdir(struct file *, void *, filldir_t, static int ncp_readdir(struct file *, void *, filldir_t); -static int ncp_create(struct inode *, struct dentry *, umode_t, struct nameidata *); -static struct dentry *ncp_lookup(struct inode *, struct dentry *, struct nameidata *); +static int ncp_create(struct inode *, struct dentry *, umode_t, bool); +static struct dentry *ncp_lookup(struct inode *, struct dentry *, unsigned int); static int ncp_unlink(struct inode *, struct dentry *); static int ncp_mkdir(struct inode *, struct dentry *, umode_t); static int ncp_rmdir(struct inode *, struct dentry *); @@ -72,7 +72,7 @@ const struct inode_operations ncp_dir_inode_operations = /* * Dentry operations routines */ -static int ncp_lookup_validate(struct dentry *, struct nameidata *); +static int ncp_lookup_validate(struct dentry *, unsigned int); static int ncp_hash_dentry(const struct dentry *, const struct inode *, struct qstr *); static int ncp_compare_dentry(const struct dentry *, const struct inode *, @@ -290,7 +290,7 @@ leave_me:; static int -ncp_lookup_validate(struct dentry *dentry, struct nameidata *nd) +ncp_lookup_validate(struct dentry *dentry, unsigned int flags) { struct ncp_server *server; struct dentry *parent; @@ -302,7 +302,7 @@ ncp_lookup_validate(struct dentry *dentry, struct nameidata *nd) if (dentry == dentry->d_sb->s_root) return 1; - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; parent = dget_parent(dentry); @@ -836,7 +836,7 @@ out: return result; } -static struct dentry *ncp_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +static struct dentry *ncp_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct ncp_server *server = NCP_SERVER(dir); struct inode *inode = NULL; @@ -980,7 +980,7 @@ out: } static int ncp_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { return ncp_create_new(dir, dentry, mode, 0, 0); } diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index 970659daa323..23ff18fe080a 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -17,7 +17,6 @@ #include <linux/kthread.h> #include <linux/sunrpc/svcauth_gss.h> #include <linux/sunrpc/bc_xprt.h> -#include <linux/nsproxy.h> #include <net/inet_sock.h> @@ -107,7 +106,7 @@ nfs4_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt) { int ret; - ret = svc_create_xprt(serv, "tcp", xprt->xprt_net, PF_INET, + ret = svc_create_xprt(serv, "tcp", &init_net, PF_INET, nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS); if (ret <= 0) goto out_err; @@ -115,7 +114,7 @@ nfs4_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt) dprintk("NFS: Callback listener port = %u (af %u)\n", nfs_callback_tcpport, PF_INET); - ret = svc_create_xprt(serv, "tcp", xprt->xprt_net, PF_INET6, + ret = svc_create_xprt(serv, "tcp", &init_net, PF_INET6, nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS); if (ret > 0) { nfs_callback_tcpport6 = ret; @@ -184,7 +183,7 @@ nfs41_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt) * fore channel connection. * Returns the input port (0) and sets the svc_serv bc_xprt on success */ - ret = svc_create_xprt(serv, "tcp-bc", xprt->xprt_net, PF_INET, 0, + ret = svc_create_xprt(serv, "tcp-bc", &init_net, PF_INET, 0, SVC_SOCK_ANONYMOUS); if (ret < 0) { rqstp = ERR_PTR(ret); @@ -254,7 +253,7 @@ int nfs_callback_up(u32 minorversion, struct rpc_xprt *xprt) char svc_name[12]; int ret = 0; int minorversion_setup; - struct net *net = current->nsproxy->net_ns; + struct net *net = &init_net; mutex_lock(&nfs_callback_mutex); if (cb_info->users++ || cb_info->task != NULL) { @@ -330,7 +329,7 @@ void nfs_callback_down(int minorversion) cb_info->users--; if (cb_info->users == 0 && cb_info->task != NULL) { kthread_stop(cb_info->task); - svc_shutdown_net(cb_info->serv, current->nsproxy->net_ns); + svc_shutdown_net(cb_info->serv, &init_net); svc_exit_thread(cb_info->rqst); cb_info->serv = NULL; cb_info->rqst = NULL; diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 95bfc243992c..e64b01d2a338 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -455,9 +455,9 @@ static __be32 decode_cb_sequence_args(struct svc_rqst *rqstp, args->csa_nrclists = ntohl(*p++); args->csa_rclists = NULL; if (args->csa_nrclists) { - args->csa_rclists = kmalloc(args->csa_nrclists * - sizeof(*args->csa_rclists), - GFP_KERNEL); + args->csa_rclists = kmalloc_array(args->csa_nrclists, + sizeof(*args->csa_rclists), + GFP_KERNEL); if (unlikely(args->csa_rclists == NULL)) goto out; @@ -696,7 +696,7 @@ static __be32 encode_cb_sequence_res(struct svc_rqst *rqstp, const struct cb_sequenceres *res) { __be32 *p; - unsigned status = res->csr_status; + __be32 status = res->csr_status; if (unlikely(status != 0)) goto out; diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 7d108753af81..f005b5bebdc7 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -207,7 +207,6 @@ error_0: static void nfs4_shutdown_session(struct nfs_client *clp) { if (nfs4_has_session(clp)) { - nfs4_deviceid_purge_client(clp); nfs4_destroy_session(clp->cl_session); nfs4_destroy_clientid(clp); } @@ -544,8 +543,6 @@ nfs_found_client(const struct nfs_client_initdata *cl_init, smp_rmb(); - BUG_ON(clp->cl_cons_state != NFS_CS_READY); - dprintk("<-- %s found nfs_client %p for %s\n", __func__, clp, cl_init->hostname ?: ""); return clp; diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index f430057ff3b3..a6b1c7fb8232 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -46,8 +46,8 @@ static int nfs_opendir(struct inode *, struct file *); static int nfs_closedir(struct inode *, struct file *); static int nfs_readdir(struct file *, void *, filldir_t); -static struct dentry *nfs_lookup(struct inode *, struct dentry *, struct nameidata *); -static int nfs_create(struct inode *, struct dentry *, umode_t, struct nameidata *); +static struct dentry *nfs_lookup(struct inode *, struct dentry *, unsigned int); +static int nfs_create(struct inode *, struct dentry *, umode_t, bool); static int nfs_mkdir(struct inode *, struct dentry *, umode_t); static int nfs_rmdir(struct inode *, struct dentry *); static int nfs_unlink(struct inode *, struct dentry *); @@ -111,11 +111,13 @@ const struct inode_operations nfs3_dir_inode_operations = { #ifdef CONFIG_NFS_V4 -static struct dentry *nfs_atomic_lookup(struct inode *, struct dentry *, struct nameidata *); -static int nfs_open_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd); +static int nfs_atomic_open(struct inode *, struct dentry *, + struct file *, unsigned, umode_t, + int *); const struct inode_operations nfs4_dir_inode_operations = { - .create = nfs_open_create, - .lookup = nfs_atomic_lookup, + .create = nfs_create, + .lookup = nfs_lookup, + .atomic_open = nfs_atomic_open, .link = nfs_link, .unlink = nfs_unlink, .symlink = nfs_symlink, @@ -1029,27 +1031,14 @@ static int nfs_check_verifier(struct inode *dir, struct dentry *dentry) } /* - * Return the intent data that applies to this particular path component - * - * Note that the current set of intents only apply to the very last - * component of the path and none of them is set before that last - * component. - */ -static inline unsigned int nfs_lookup_check_intent(struct nameidata *nd, - unsigned int mask) -{ - return nd->flags & mask; -} - -/* * Use intent information to check whether or not we're going to do * an O_EXCL create using this path component. */ -static int nfs_is_exclusive_create(struct inode *dir, struct nameidata *nd) +static int nfs_is_exclusive_create(struct inode *dir, unsigned int flags) { if (NFS_PROTO(dir)->version == 2) return 0; - return nd && nfs_lookup_check_intent(nd, LOOKUP_EXCL); + return flags & LOOKUP_EXCL; } /* @@ -1061,25 +1050,20 @@ static int nfs_is_exclusive_create(struct inode *dir, struct nameidata *nd) * */ static inline -int nfs_lookup_verify_inode(struct inode *inode, struct nameidata *nd) +int nfs_lookup_verify_inode(struct inode *inode, unsigned int flags) { struct nfs_server *server = NFS_SERVER(inode); if (IS_AUTOMOUNT(inode)) return 0; - if (nd != NULL) { - /* VFS wants an on-the-wire revalidation */ - if (nd->flags & LOOKUP_REVAL) - goto out_force; - /* This is an open(2) */ - if (nfs_lookup_check_intent(nd, LOOKUP_OPEN) != 0 && - !(server->flags & NFS_MOUNT_NOCTO) && - (S_ISREG(inode->i_mode) || - S_ISDIR(inode->i_mode))) - goto out_force; - return 0; - } - return nfs_revalidate_inode(server, inode); + /* VFS wants an on-the-wire revalidation */ + if (flags & LOOKUP_REVAL) + goto out_force; + /* This is an open(2) */ + if ((flags & LOOKUP_OPEN) && !(server->flags & NFS_MOUNT_NOCTO) && + (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode))) + goto out_force; + return 0; out_force: return __nfs_revalidate_inode(server, inode); } @@ -1093,10 +1077,10 @@ out_force: */ static inline int nfs_neg_need_reval(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { /* Don't revalidate a negative dentry if we're creating a new file */ - if (nd != NULL && nfs_lookup_check_intent(nd, LOOKUP_CREATE) != 0) + if (flags & LOOKUP_CREATE) return 0; if (NFS_SERVER(dir)->flags & NFS_MOUNT_LOOKUP_CACHE_NONEG) return 1; @@ -1114,7 +1098,7 @@ int nfs_neg_need_reval(struct inode *dir, struct dentry *dentry, * If the parent directory is seen to have changed, we throw out the * cached dentry and do a new lookup. */ -static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) +static int nfs_lookup_revalidate(struct dentry *dentry, unsigned int flags) { struct inode *dir; struct inode *inode; @@ -1123,7 +1107,7 @@ static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) struct nfs_fattr *fattr = NULL; int error; - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; parent = dget_parent(dentry); @@ -1132,7 +1116,7 @@ static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) inode = dentry->d_inode; if (!inode) { - if (nfs_neg_need_reval(dir, dentry, nd)) + if (nfs_neg_need_reval(dir, dentry, flags)) goto out_bad; goto out_valid_noent; } @@ -1148,8 +1132,8 @@ static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) goto out_set_verifier; /* Force a full look up iff the parent directory has changed */ - if (!nfs_is_exclusive_create(dir, nd) && nfs_check_verifier(dir, dentry)) { - if (nfs_lookup_verify_inode(inode, nd)) + if (!nfs_is_exclusive_create(dir, flags) && nfs_check_verifier(dir, dentry)) { + if (nfs_lookup_verify_inode(inode, flags)) goto out_zap_parent; goto out_valid; } @@ -1286,7 +1270,7 @@ const struct dentry_operations nfs_dentry_operations = { .d_release = nfs_d_release, }; -static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *nd) +static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, unsigned int flags) { struct dentry *res; struct dentry *parent; @@ -1307,7 +1291,7 @@ static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, stru * If we're doing an exclusive create, optimize away the lookup * but don't hash the dentry. */ - if (nfs_is_exclusive_create(dir, nd)) { + if (nfs_is_exclusive_create(dir, flags)) { d_instantiate(dentry, NULL); res = NULL; goto out; @@ -1354,7 +1338,7 @@ out: } #ifdef CONFIG_NFS_V4 -static int nfs4_lookup_revalidate(struct dentry *, struct nameidata *); +static int nfs4_lookup_revalidate(struct dentry *, unsigned int); const struct dentry_operations nfs4_dentry_operations = { .d_revalidate = nfs4_lookup_revalidate, @@ -1364,24 +1348,6 @@ const struct dentry_operations nfs4_dentry_operations = { .d_release = nfs_d_release, }; -/* - * Use intent information to determine whether we need to substitute - * the NFSv4-style stateful OPEN for the LOOKUP call - */ -static int is_atomic_open(struct nameidata *nd) -{ - if (nd == NULL || nfs_lookup_check_intent(nd, LOOKUP_OPEN) == 0) - return 0; - /* NFS does not (yet) have a stateful open for directories */ - if (nd->flags & LOOKUP_DIRECTORY) - return 0; - /* Are we trying to write to a read only partition? */ - if (__mnt_is_readonly(nd->path.mnt) && - (nd->intent.open.flags & (O_CREAT|O_TRUNC|O_ACCMODE))) - return 0; - return 1; -} - static fmode_t flags_to_mode(int flags) { fmode_t res = (__force fmode_t)flags & FMODE_EXEC; @@ -1403,136 +1369,143 @@ static int do_open(struct inode *inode, struct file *filp) return 0; } -static int nfs_intent_set_file(struct nameidata *nd, struct nfs_open_context *ctx) +static int nfs_finish_open(struct nfs_open_context *ctx, + struct dentry *dentry, + struct file *file, unsigned open_flags, + int *opened) { - struct file *filp; - int ret = 0; + int err; + + if (ctx->dentry != dentry) { + dput(ctx->dentry); + ctx->dentry = dget(dentry); + } /* If the open_intent is for execute, we have an extra check to make */ if (ctx->mode & FMODE_EXEC) { - ret = nfs_may_open(ctx->dentry->d_inode, - ctx->cred, - nd->intent.open.flags); - if (ret < 0) + err = nfs_may_open(dentry->d_inode, ctx->cred, open_flags); + if (err < 0) goto out; } - filp = lookup_instantiate_filp(nd, ctx->dentry, do_open); - if (IS_ERR(filp)) - ret = PTR_ERR(filp); - else - nfs_file_set_open_context(filp, ctx); + + err = finish_open(file, dentry, do_open, opened); + if (err) + goto out; + nfs_file_set_open_context(file, ctx); + out: put_nfs_open_context(ctx); - return ret; + return err; } -static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +static int nfs_atomic_open(struct inode *dir, struct dentry *dentry, + struct file *file, unsigned open_flags, + umode_t mode, int *opened) { struct nfs_open_context *ctx; - struct iattr attr; - struct dentry *res = NULL; + struct dentry *res; + struct iattr attr = { .ia_valid = ATTR_OPEN }; struct inode *inode; - int open_flags; int err; - dfprintk(VFS, "NFS: atomic_lookup(%s/%ld), %s\n", + /* Expect a negative dentry */ + BUG_ON(dentry->d_inode); + + dfprintk(VFS, "NFS: atomic_open(%s/%ld), %s\n", dir->i_sb->s_id, dir->i_ino, dentry->d_name.name); - /* Check that we are indeed trying to open this file */ - if (!is_atomic_open(nd)) + /* NFS only supports OPEN on regular files */ + if ((open_flags & O_DIRECTORY)) { + if (!d_unhashed(dentry)) { + /* + * Hashed negative dentry with O_DIRECTORY: dentry was + * revalidated and is fine, no need to perform lookup + * again + */ + return -ENOENT; + } goto no_open; - - if (dentry->d_name.len > NFS_SERVER(dir)->namelen) { - res = ERR_PTR(-ENAMETOOLONG); - goto out; - } - - /* Let vfs_create() deal with O_EXCL. Instantiate, but don't hash - * the dentry. */ - if (nd->flags & LOOKUP_EXCL) { - d_instantiate(dentry, NULL); - goto out; } - open_flags = nd->intent.open.flags; - attr.ia_valid = ATTR_OPEN; - - ctx = create_nfs_open_context(dentry, open_flags); - res = ERR_CAST(ctx); - if (IS_ERR(ctx)) - goto out; + if (dentry->d_name.len > NFS_SERVER(dir)->namelen) + return -ENAMETOOLONG; - if (nd->flags & LOOKUP_CREATE) { - attr.ia_mode = nd->intent.open.create_mode; + if (open_flags & O_CREAT) { attr.ia_valid |= ATTR_MODE; - attr.ia_mode &= ~current_umask(); - } else - open_flags &= ~(O_EXCL | O_CREAT); - + attr.ia_mode = mode & ~current_umask(); + } if (open_flags & O_TRUNC) { attr.ia_valid |= ATTR_SIZE; attr.ia_size = 0; } - /* Open the file on the server */ + ctx = create_nfs_open_context(dentry, open_flags); + err = PTR_ERR(ctx); + if (IS_ERR(ctx)) + goto out; + nfs_block_sillyrename(dentry->d_parent); inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr); + d_drop(dentry); if (IS_ERR(inode)) { nfs_unblock_sillyrename(dentry->d_parent); put_nfs_open_context(ctx); - switch (PTR_ERR(inode)) { - /* Make a negative dentry */ - case -ENOENT: - d_add(dentry, NULL); - res = NULL; - goto out; - /* This turned out not to be a regular file */ - case -EISDIR: - case -ENOTDIR: + err = PTR_ERR(inode); + switch (err) { + case -ENOENT: + d_add(dentry, NULL); + break; + case -EISDIR: + case -ENOTDIR: + goto no_open; + case -ELOOP: + if (!(open_flags & O_NOFOLLOW)) goto no_open; - case -ELOOP: - if (!(nd->intent.open.flags & O_NOFOLLOW)) - goto no_open; + break; /* case -EINVAL: */ - default: - res = ERR_CAST(inode); - goto out; + default: + break; } + goto out; } res = d_add_unique(dentry, inode); - nfs_unblock_sillyrename(dentry->d_parent); - if (res != NULL) { - dput(ctx->dentry); - ctx->dentry = dget(res); + if (res != NULL) dentry = res; - } - err = nfs_intent_set_file(nd, ctx); - if (err < 0) { - if (res != NULL) - dput(res); - return ERR_PTR(err); - } -out: + + nfs_unblock_sillyrename(dentry->d_parent); nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); - return res; + + err = nfs_finish_open(ctx, dentry, file, open_flags, opened); + + dput(res); +out: + return err; + no_open: - return nfs_lookup(dir, dentry, nd); + res = nfs_lookup(dir, dentry, 0); + err = PTR_ERR(res); + if (IS_ERR(res)) + goto out; + + return finish_no_open(file, res); } -static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) +static int nfs4_lookup_revalidate(struct dentry *dentry, unsigned int flags) { struct dentry *parent = NULL; struct inode *inode; struct inode *dir; - int openflags, ret = 0; + int ret = 0; - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; - inode = dentry->d_inode; - if (!is_atomic_open(nd) || d_mountpoint(dentry)) + if (!(flags & LOOKUP_OPEN) || (flags & LOOKUP_DIRECTORY)) + goto no_open; + if (d_mountpoint(dentry)) goto no_open; + inode = dentry->d_inode; parent = dget_parent(dentry); dir = parent->d_inode; @@ -1540,7 +1513,7 @@ static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) * optimize away revalidation of negative dentries. */ if (inode == NULL) { - if (!nfs_neg_need_reval(dir, dentry, nd)) + if (!nfs_neg_need_reval(dir, dentry, flags)) ret = 1; goto out; } @@ -1548,9 +1521,8 @@ static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd) /* NFS only supports OPEN on regular files */ if (!S_ISREG(inode->i_mode)) goto no_open_dput; - openflags = nd->intent.open.flags; /* We cannot do exclusive creation on a positive dentry */ - if ((openflags & (O_CREAT|O_EXCL)) == (O_CREAT|O_EXCL)) + if (flags & LOOKUP_EXCL) goto no_open_dput; /* Let f_op->open() actually open (and revalidate) the file */ @@ -1563,48 +1535,7 @@ out: no_open_dput: dput(parent); no_open: - return nfs_lookup_revalidate(dentry, nd); -} - -static int nfs_open_create(struct inode *dir, struct dentry *dentry, - umode_t mode, struct nameidata *nd) -{ - struct nfs_open_context *ctx = NULL; - struct iattr attr; - int error; - int open_flags = O_CREAT|O_EXCL; - - dfprintk(VFS, "NFS: create(%s/%ld), %s\n", - dir->i_sb->s_id, dir->i_ino, dentry->d_name.name); - - attr.ia_mode = mode; - attr.ia_valid = ATTR_MODE; - - if (nd) - open_flags = nd->intent.open.flags; - - ctx = create_nfs_open_context(dentry, open_flags); - error = PTR_ERR(ctx); - if (IS_ERR(ctx)) - goto out_err_drop; - - error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, ctx); - if (error != 0) - goto out_put_ctx; - if (nd) { - error = nfs_intent_set_file(nd, ctx); - if (error < 0) - goto out_err; - } else { - put_nfs_open_context(ctx); - } - return 0; -out_put_ctx: - put_nfs_open_context(ctx); -out_err_drop: - d_drop(dentry); -out_err: - return error; + return nfs_lookup_revalidate(dentry, flags); } #endif /* CONFIG_NFSV4 */ @@ -1658,11 +1589,11 @@ out_error: * reply path made it appear to have failed. */ static int nfs_create(struct inode *dir, struct dentry *dentry, - umode_t mode, struct nameidata *nd) + umode_t mode, bool excl) { struct iattr attr; + int open_flags = excl ? O_CREAT | O_EXCL : O_CREAT; int error; - int open_flags = O_CREAT|O_EXCL; dfprintk(VFS, "NFS: create(%s/%ld), %s\n", dir->i_sb->s_id, dir->i_ino, dentry->d_name.name); @@ -1670,10 +1601,7 @@ static int nfs_create(struct inode *dir, struct dentry *dentry, attr.ia_mode = mode; attr.ia_valid = ATTR_MODE; - if (nd) - open_flags = nd->intent.open.flags; - - error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, NULL); + error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags); if (error != 0) goto out_err; return 0; diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index ad2775d3e219..48253372ab1d 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -484,17 +484,22 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq) list_for_each_entry_safe(req, tmp, &reqs, wb_list) { if (!nfs_pageio_add_request(&desc, req)) { + nfs_list_remove_request(req); nfs_list_add_request(req, &failed); spin_lock(cinfo.lock); dreq->flags = 0; dreq->error = -EIO; spin_unlock(cinfo.lock); } + nfs_release_request(req); } nfs_pageio_complete(&desc); - while (!list_empty(&failed)) + while (!list_empty(&failed)) { + req = nfs_list_entry(failed.next); + nfs_list_remove_request(req); nfs_unlock_and_release_request(req); + } if (put_dreq(dreq)) nfs_direct_write_complete(dreq, dreq->inode); @@ -523,9 +528,9 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data) nfs_list_remove_request(req); if (dreq->flags == NFS_ODIRECT_RESCHED_WRITES) { /* Note the rewrite will go through mds */ - kref_get(&req->wb_kref); nfs_mark_request_commit(req, NULL, &cinfo); - } + } else + nfs_release_request(req); nfs_unlock_and_release_request(req); } @@ -716,12 +721,12 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr) if (dreq->flags == NFS_ODIRECT_RESCHED_WRITES) bit = NFS_IOHDR_NEED_RESCHED; else if (dreq->flags == 0) { - memcpy(&dreq->verf, &req->wb_verf, + memcpy(&dreq->verf, hdr->verf, sizeof(dreq->verf)); bit = NFS_IOHDR_NEED_COMMIT; dreq->flags = NFS_ODIRECT_DO_COMMIT; } else if (dreq->flags == NFS_ODIRECT_DO_COMMIT) { - if (memcmp(&dreq->verf, &req->wb_verf, sizeof(dreq->verf))) { + if (memcmp(&dreq->verf, hdr->verf, sizeof(dreq->verf))) { dreq->flags = NFS_ODIRECT_RESCHED_WRITES; bit = NFS_IOHDR_NEED_RESCHED; } else diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c index 8abfb19bd3aa..a67990f90bd7 100644 --- a/fs/nfs/getroot.c +++ b/fs/nfs/getroot.c @@ -62,7 +62,7 @@ static int nfs_superblock_set_dummy_root(struct super_block *sb, struct inode *i */ spin_lock(&sb->s_root->d_inode->i_lock); spin_lock(&sb->s_root->d_lock); - list_del_init(&sb->s_root->d_alias); + hlist_del_init(&sb->s_root->d_alias); spin_unlock(&sb->s_root->d_lock); spin_unlock(&sb->s_root->d_inode->i_lock); } diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c index b5b86a05059c..864c51e4b400 100644 --- a/fs/nfs/idmap.c +++ b/fs/nfs/idmap.c @@ -57,6 +57,11 @@ unsigned int nfs_idmap_cache_timeout = 600; static const struct cred *id_resolver_cache; static struct key_type key_type_id_resolver_legacy; +struct idmap { + struct rpc_pipe *idmap_pipe; + struct key_construction *idmap_key_cons; + struct mutex idmap_mutex; +}; /** * nfs_fattr_init_names - initialise the nfs_fattr owner_name/group_name fields @@ -310,9 +315,11 @@ static ssize_t nfs_idmap_get_key(const char *name, size_t namelen, name, namelen, type, data, data_size, NULL); if (ret < 0) { + mutex_lock(&idmap->idmap_mutex); ret = nfs_idmap_request_key(&key_type_id_resolver_legacy, name, namelen, type, data, data_size, idmap); + mutex_unlock(&idmap->idmap_mutex); } return ret; } @@ -354,11 +361,6 @@ static int nfs_idmap_lookup_id(const char *name, size_t namelen, const char *typ /* idmap classic begins here */ module_param(nfs_idmap_cache_timeout, int, 0644); -struct idmap { - struct rpc_pipe *idmap_pipe; - struct key_construction *idmap_key_cons; -}; - enum { Opt_find_uid, Opt_find_gid, Opt_find_user, Opt_find_group, Opt_find_err }; @@ -469,6 +471,7 @@ nfs_idmap_new(struct nfs_client *clp) return error; } idmap->idmap_pipe = pipe; + mutex_init(&idmap->idmap_mutex); clp->cl_idmap = idmap; return 0; diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index e605d695dbcb..f7296983eba6 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1530,7 +1530,6 @@ static inline void nfs4_init_once(struct nfs_inode *nfsi) nfsi->delegation_state = 0; init_rwsem(&nfsi->rwsem); nfsi->layout = NULL; - atomic_set(&nfsi->commit_info.rpcs_out, 0); #endif } @@ -1545,6 +1544,7 @@ static void init_once(void *foo) INIT_LIST_HEAD(&nfsi->commit_info.list); nfsi->npages = 0; nfsi->commit_info.ncommit = 0; + atomic_set(&nfsi->commit_info.rpcs_out, 0); atomic_set(&nfsi->silly_count, 1); INIT_HLIST_HEAD(&nfsi->silly_list); init_waitqueue_head(&nfsi->waitqueue); diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 2292a0fd2bff..3187e24e8f78 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -314,7 +314,7 @@ static void nfs3_free_createdata(struct nfs3_createdata *data) */ static int nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, - int flags, struct nfs_open_context *ctx) + int flags) { struct nfs3_createdata *data; umode_t mode = sattr->ia_mode; diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index c6827f93ab57..cc5900ac61b5 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -295,7 +295,7 @@ is_ds_client(struct nfs_client *clp) extern const struct nfs4_minor_version_ops *nfs_v4_minor_ops[]; -extern const u32 nfs4_fattr_bitmap[2]; +extern const u32 nfs4_fattr_bitmap[3]; extern const u32 nfs4_statfs_bitmap[2]; extern const u32 nfs4_pathconf_bitmap[2]; extern const u32 nfs4_fsinfo_bitmap[3]; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index d48dbefa0e71..c157b2089b47 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -105,6 +105,8 @@ static int nfs4_map_errors(int err) return -EINVAL; case -NFS4ERR_SHARE_DENIED: return -EACCES; + case -NFS4ERR_MINOR_VERS_MISMATCH: + return -EPROTONOSUPPORT; default: dprintk("%s could not handle NFSv4 error %d\n", __func__, -err); @@ -116,7 +118,7 @@ static int nfs4_map_errors(int err) /* * This is our standard bitmap for GETATTR requests. */ -const u32 nfs4_fattr_bitmap[2] = { +const u32 nfs4_fattr_bitmap[3] = { FATTR4_WORD0_TYPE | FATTR4_WORD0_CHANGE | FATTR4_WORD0_SIZE @@ -133,6 +135,24 @@ const u32 nfs4_fattr_bitmap[2] = { | FATTR4_WORD1_TIME_MODIFY }; +static const u32 nfs4_pnfs_open_bitmap[3] = { + FATTR4_WORD0_TYPE + | FATTR4_WORD0_CHANGE + | FATTR4_WORD0_SIZE + | FATTR4_WORD0_FSID + | FATTR4_WORD0_FILEID, + FATTR4_WORD1_MODE + | FATTR4_WORD1_NUMLINKS + | FATTR4_WORD1_OWNER + | FATTR4_WORD1_OWNER_GROUP + | FATTR4_WORD1_RAWDEV + | FATTR4_WORD1_SPACE_USED + | FATTR4_WORD1_TIME_ACCESS + | FATTR4_WORD1_TIME_METADATA + | FATTR4_WORD1_TIME_MODIFY, + FATTR4_WORD2_MDSTHRESHOLD +}; + const u32 nfs4_statfs_bitmap[2] = { FATTR4_WORD0_FILES_AVAIL | FATTR4_WORD0_FILES_FREE @@ -844,6 +864,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, p->o_arg.name = &dentry->d_name; p->o_arg.server = server; p->o_arg.bitmask = server->attr_bitmask; + p->o_arg.open_bitmap = &nfs4_fattr_bitmap[0]; p->o_arg.claim = NFS4_OPEN_CLAIM_NULL; if (attrs != NULL && attrs->ia_valid != 0) { __be32 verf[2]; @@ -1820,6 +1841,7 @@ static int _nfs4_do_open(struct inode *dir, opendata->f_attr.mdsthreshold = pnfs_mdsthreshold_alloc(); if (!opendata->f_attr.mdsthreshold) goto err_opendata_put; + opendata->o_arg.open_bitmap = &nfs4_pnfs_open_bitmap[0]; } if (dentry->d_inode != NULL) opendata->state = nfs4_get_open_state(dentry->d_inode, sp); @@ -1880,6 +1902,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, struct nfs4_state *res; int status; + fmode &= FMODE_READ|FMODE_WRITE; do { status = _nfs4_do_open(dir, dentry, fmode, flags, sattr, cred, &res, ctx_th); @@ -2526,6 +2549,14 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, nfs_fattr_init(fattr); + /* Deal with open(O_TRUNC) */ + if (sattr->ia_valid & ATTR_OPEN) + sattr->ia_valid &= ~(ATTR_MTIME|ATTR_CTIME|ATTR_OPEN); + + /* Optimization: if the end result is no change, don't RPC */ + if ((sattr->ia_valid & ~(ATTR_FILE)) == 0) + return 0; + /* Search for an existing open(O_WRITE) file */ if (sattr->ia_valid & ATTR_FILE) { struct nfs_open_context *ctx; @@ -2537,10 +2568,6 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, } } - /* Deal with open(O_TRUNC) */ - if (sattr->ia_valid & ATTR_OPEN) - sattr->ia_valid &= ~(ATTR_MTIME|ATTR_CTIME|ATTR_OPEN); - status = nfs4_do_setattr(inode, cred, fattr, sattr, state); if (status == 0) nfs_setattr_update_inode(inode, sattr); @@ -2779,37 +2806,22 @@ static int nfs4_proc_readlink(struct inode *inode, struct page *page, } /* - * Got race? - * We will need to arrange for the VFS layer to provide an atomic open. - * Until then, this create/open method is prone to inefficiency and race - * conditions due to the lookup, create, and open VFS calls from sys_open() - * placed on the wire. - * - * Given the above sorry state of affairs, I'm simply sending an OPEN. - * The file will be opened again in the subsequent VFS open call - * (nfs4_proc_file_open). - * - * The open for read will just hang around to be used by any process that - * opens the file O_RDONLY. This will all be resolved with the VFS changes. + * This is just for mknod. open(O_CREAT) will always do ->open_context(). */ - static int nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, - int flags, struct nfs_open_context *ctx) + int flags) { - struct dentry *de = dentry; + struct nfs_open_context *ctx; struct nfs4_state *state; - struct rpc_cred *cred = NULL; - fmode_t fmode = 0; int status = 0; - if (ctx != NULL) { - cred = ctx->cred; - de = ctx->dentry; - fmode = ctx->mode; - } + ctx = alloc_nfs_open_context(dentry, FMODE_READ); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); + sattr->ia_mode &= ~current_umask(); - state = nfs4_do_open(dir, de, fmode, flags, sattr, cred, NULL); + state = nfs4_do_open(dir, dentry, ctx->mode, flags, sattr, ctx->cred, NULL); d_drop(dentry); if (IS_ERR(state)) { status = PTR_ERR(state); @@ -2817,11 +2829,9 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, } d_add(dentry, igrab(state->inode)); nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); - if (ctx != NULL) - ctx->state = state; - else - nfs4_close_sync(state, fmode); + ctx->state = state; out: + put_nfs_open_context(ctx); return status; } @@ -5275,7 +5285,7 @@ static int _nfs4_proc_destroy_clientid(struct nfs_client *clp, status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); if (status) - pr_warn("NFS: Got error %d from the server %s on " + dprintk("NFS: Got error %d from the server %s on " "DESTROY_CLIENTID.", status, clp->cl_hostname); return status; } @@ -5746,8 +5756,7 @@ int nfs4_proc_destroy_session(struct nfs4_session *session, status = rpc_call_sync(session->clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); if (status) - printk(KERN_WARNING - "NFS: Got error %d from the server on DESTROY_SESSION. " + dprintk("NFS: Got error %d from the server on DESTROY_SESSION. " "Session has been destroyed regardless...\n", status); dprintk("<-- nfs4_proc_destroy_session\n"); diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index c679b9ecef63..f38300e9f171 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -244,6 +244,16 @@ static int nfs4_begin_drain_session(struct nfs_client *clp) return nfs4_wait_on_slot_tbl(&ses->fc_slot_table); } +static void nfs41_finish_session_reset(struct nfs_client *clp) +{ + clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); + clear_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state); + /* create_session negotiated new slot table */ + clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state); + clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state); + nfs41_setup_state_renewal(clp); +} + int nfs41_init_clientid(struct nfs_client *clp, struct rpc_cred *cred) { int status; @@ -259,8 +269,7 @@ do_confirm: status = nfs4_proc_create_session(clp, cred); if (status != 0) goto out; - clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); - nfs41_setup_state_renewal(clp); + nfs41_finish_session_reset(clp); nfs_mark_client_ready(clp, NFS_CS_READY); out: return status; @@ -1772,16 +1781,9 @@ static int nfs4_reset_session(struct nfs_client *clp) status = nfs4_handle_reclaim_lease_error(clp, status); goto out; } - clear_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state); - /* create_session negotiated new slot table */ - clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state); - clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state); + nfs41_finish_session_reset(clp); dprintk("%s: session reset was successful for server %s!\n", __func__, clp->cl_hostname); - - /* Let the state manager reestablish state */ - if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state)) - nfs41_setup_state_renewal(clp); out: if (cred) put_rpccred(cred); diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index ee4a74db95d0..18fae29b0301 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -1198,12 +1198,13 @@ static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct c } static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, + const u32 *open_bitmap, struct compound_hdr *hdr) { encode_getattr_three(xdr, - bitmask[0] & nfs4_fattr_bitmap[0], - bitmask[1] & nfs4_fattr_bitmap[1], - bitmask[2] & FATTR4_WORD2_MDSTHRESHOLD, + bitmask[0] & open_bitmap[0], + bitmask[1] & open_bitmap[1], + bitmask[2] & open_bitmap[2], hdr); } @@ -2221,7 +2222,7 @@ static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, encode_putfh(xdr, args->fh, &hdr); encode_open(xdr, args, &hdr); encode_getfh(xdr, &hdr); - encode_getfattr_open(xdr, args->bitmask, &hdr); + encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); encode_nops(&hdr); } @@ -4359,7 +4360,10 @@ static int decode_attr_mdsthreshold(struct xdr_stream *xdr, if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) return -EIO; - if (likely(bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD)) { + if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { + /* Did the server return an unrequested attribute? */ + if (unlikely(res == NULL)) + return -EREMOTEIO; p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) goto out_overflow; @@ -4372,6 +4376,7 @@ static int decode_attr_mdsthreshold(struct xdr_stream *xdr, __func__); status = decode_first_threshold_item4(xdr, res); + bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; } return status; out_overflow: diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c index b47277baebab..f50d3e8d6f22 100644 --- a/fs/nfs/objlayout/objio_osd.c +++ b/fs/nfs/objlayout/objio_osd.c @@ -454,7 +454,10 @@ int objio_read_pagelist(struct nfs_read_data *rdata) objios->ios->done = _read_done; dprintk("%s: offset=0x%llx length=0x%x\n", __func__, rdata->args.offset, rdata->args.count); - return ore_read(objios->ios); + ret = ore_read(objios->ios); + if (unlikely(ret)) + objio_free_result(&objios->oir); + return ret; } /* @@ -486,8 +489,16 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate) struct nfs_write_data *wdata = objios->oir.rpcdata; struct address_space *mapping = wdata->header->inode->i_mapping; pgoff_t index = offset / PAGE_SIZE; - struct page *page = find_get_page(mapping, index); + struct page *page; + loff_t i_size = i_size_read(wdata->header->inode); + + if (offset >= i_size) { + *uptodate = true; + dprintk("%s: g_zero_page index=0x%lx\n", __func__, index); + return ZERO_PAGE(0); + } + page = find_get_page(mapping, index); if (!page) { page = find_or_create_page(mapping, index, GFP_NOFS); if (unlikely(!page)) { @@ -507,8 +518,10 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate) static void __r4w_put_page(void *priv, struct page *page) { - dprintk("%s: index=0x%lx\n", __func__, page->index); - page_cache_release(page); + dprintk("%s: index=0x%lx\n", __func__, + (page == ZERO_PAGE(0)) ? -1UL : page->index); + if (ZERO_PAGE(0) != page) + page_cache_release(page); return; } @@ -539,8 +552,10 @@ int objio_write_pagelist(struct nfs_write_data *wdata, int how) dprintk("%s: offset=0x%llx length=0x%x\n", __func__, wdata->args.offset, wdata->args.count); ret = ore_write(objios->ios); - if (unlikely(ret)) + if (unlikely(ret)) { + objio_free_result(&objios->oir); return ret; + } if (objios->sync) _write_done(objios->ios, objios); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index b8323aa7b543..bbc49caa7a82 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -70,6 +70,10 @@ find_pnfs_driver(u32 id) spin_lock(&pnfs_spinlock); local = find_pnfs_driver_locked(id); + if (local != NULL && !try_module_get(local->owner)) { + dprintk("%s: Could not grab reference on module\n", __func__); + local = NULL; + } spin_unlock(&pnfs_spinlock); return local; } @@ -80,6 +84,9 @@ unset_pnfs_layoutdriver(struct nfs_server *nfss) if (nfss->pnfs_curr_ld) { if (nfss->pnfs_curr_ld->clear_layoutdriver) nfss->pnfs_curr_ld->clear_layoutdriver(nfss); + /* Decrement the MDS count. Purge the deviceid cache if zero */ + if (atomic_dec_and_test(&nfss->nfs_client->cl_mds_count)) + nfs4_deviceid_purge_client(nfss->nfs_client); module_put(nfss->pnfs_curr_ld->owner); } nfss->pnfs_curr_ld = NULL; @@ -115,10 +122,6 @@ set_pnfs_layoutdriver(struct nfs_server *server, const struct nfs_fh *mntfh, goto out_no_driver; } } - if (!try_module_get(ld_type->owner)) { - dprintk("%s: Could not grab reference on module\n", __func__); - goto out_no_driver; - } server->pnfs_curr_ld = ld_type; if (ld_type->set_layoutdriver && ld_type->set_layoutdriver(server, mntfh)) { @@ -127,6 +130,8 @@ set_pnfs_layoutdriver(struct nfs_server *server, const struct nfs_fh *mntfh, module_put(ld_type->owner); goto out_no_driver; } + /* Bump the MDS count */ + atomic_inc(&server->nfs_client->cl_mds_count); dprintk("%s: pNFS module for %u set\n", __func__, id); return; diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 29fd23c0efdc..64f90d845f6a 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -365,7 +365,7 @@ static inline bool pnfs_use_threshold(struct nfs4_threshold **dst, struct nfs4_threshold *src, struct nfs_server *nfss) { - return (dst && src && src->bm != 0 && + return (dst && src && src->bm != 0 && nfss->pnfs_curr_ld && nfss->pnfs_curr_ld->id == src->l_type); } diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index a706b6bcc286..4433806e116f 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -259,7 +259,7 @@ static void nfs_free_createdata(const struct nfs_createdata *data) static int nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, - int flags, struct nfs_open_context *ctx) + int flags) { struct nfs_createdata *data; struct rpc_message msg = { @@ -651,7 +651,7 @@ static int nfs_read_done(struct rpc_task *task, struct nfs_read_data *data) /* Emulate the eof flag, which isn't normally needed in NFSv2 * as it is guaranteed to always return the file attributes */ - if (data->args.offset + data->args.count >= data->res.fattr->size) + if (data->args.offset + data->res.count >= data->res.fattr->size) data->res.eof = 1; } return 0; diff --git a/fs/nfs/super.c b/fs/nfs/super.c index ff656c022684..8b2a2977b720 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1867,6 +1867,7 @@ static int nfs23_validate_mount_data(void *options, if (data == NULL) goto out_no_data; + args->version = NFS_DEFAULT_VERSION; switch (data->version) { case 1: data->namlen = 0; @@ -2418,7 +2419,7 @@ static struct dentry *nfs_fs_mount_common(struct file_system_type *fs_type, sb_mntdata.mntflags |= MS_SYNCHRONOUS; /* Get a superblock - note that we may end up sharing one that already exists */ - s = sget(fs_type, compare_super, nfs_set_super, &sb_mntdata); + s = sget(fs_type, compare_super, nfs_set_super, flags, &sb_mntdata); if (IS_ERR(s)) { mntroot = ERR_CAST(s); goto out_err_nosb; @@ -2637,6 +2638,8 @@ static int nfs4_validate_mount_data(void *options, if (data == NULL) goto out_no_data; + args->version = 4; + switch (data->version) { case 1: if (data->host_addrlen > sizeof(args->nfs_server.address)) @@ -2857,6 +2860,8 @@ static struct dentry *nfs4_try_mount(int flags, const char *dev_name, dfprintk(MOUNT, "--> nfs4_try_mount()\n"); + mount_info->fill_super = nfs4_fill_super; + export_path = data->nfs_server.export_path; data->nfs_server.export_path = "/"; root_mnt = nfs_do_root_mount(&nfs4_remote_fs_type, flags, mount_info, diff --git a/fs/nfs/write.c b/fs/nfs/write.c index e6fe3d69d14c..4d6861c0dc14 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -80,6 +80,7 @@ struct nfs_write_header *nfs_writehdr_alloc(void) INIT_LIST_HEAD(&hdr->rpc_list); spin_lock_init(&hdr->lock); atomic_set(&hdr->refcnt, 0); + hdr->verf = &p->verf; } return p; } @@ -619,6 +620,7 @@ static void nfs_write_completion(struct nfs_pgio_header *hdr) goto next; } if (test_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags)) { + memcpy(&req->wb_verf, hdr->verf, sizeof(req->wb_verf)); nfs_mark_request_commit(req, hdr->lseg, &cinfo); goto next; } @@ -1255,15 +1257,14 @@ static void nfs_writeback_release_common(void *calldata) struct nfs_write_data *data = calldata; struct nfs_pgio_header *hdr = data->header; int status = data->task.tk_status; - struct nfs_page *req = hdr->req; if ((status >= 0) && nfs_write_need_commit(data)) { spin_lock(&hdr->lock); if (test_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags)) ; /* Do nothing */ else if (!test_and_set_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags)) - memcpy(&req->wb_verf, &data->verf, sizeof(req->wb_verf)); - else if (memcmp(&req->wb_verf, &data->verf, sizeof(req->wb_verf))) + memcpy(hdr->verf, &data->verf, sizeof(*hdr->verf)); + else if (memcmp(hdr->verf, &data->verf, sizeof(*hdr->verf))) set_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags); spin_unlock(&hdr->lock); } diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 8fdc9ec5c5d3..94effd5bc4a1 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -900,7 +900,7 @@ static void free_session(struct kref *kref) struct nfsd4_session *ses; int mem; - BUG_ON(!spin_is_locked(&client_lock)); + lockdep_assert_held(&client_lock); ses = container_of(kref, struct nfsd4_session, se_ref); nfsd4_del_conns(ses); spin_lock(&nfsd_drc_lock); @@ -1080,7 +1080,7 @@ static struct nfs4_client *alloc_client(struct xdr_netobj name) static inline void free_client(struct nfs4_client *clp) { - BUG_ON(!spin_is_locked(&client_lock)); + lockdep_assert_held(&client_lock); while (!list_empty(&clp->cl_sessions)) { struct nfsd4_session *ses; ses = list_entry(clp->cl_sessions.next, struct nfsd4_session, diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index c8bd9c3be7f7..4700a0a929d7 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -745,7 +745,7 @@ __be32 nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, int may_flags, struct file **filp) { - struct dentry *dentry; + struct path path; struct inode *inode; int flags = O_RDONLY|O_LARGEFILE; __be32 err; @@ -762,8 +762,9 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, if (err) goto out; - dentry = fhp->fh_dentry; - inode = dentry->d_inode; + path.mnt = fhp->fh_export->ex_path.mnt; + path.dentry = fhp->fh_dentry; + inode = path.dentry->d_inode; /* Disallow write access to files with the append-only bit set * or any access when mandatory locking enabled @@ -792,8 +793,7 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, else flags = O_WRONLY|O_LARGEFILE; } - *filp = dentry_open(dget(dentry), mntget(fhp->fh_export->ex_path.mnt), - flags, current_cred()); + *filp = dentry_open(&path, flags, current_cred()); if (IS_ERR(*filp)) host_err = PTR_ERR(*filp); else { @@ -1329,7 +1329,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, err = 0; switch (type) { case S_IFREG: - host_err = vfs_create(dirp, dchild, iap->ia_mode, NULL); + host_err = vfs_create(dirp, dchild, iap->ia_mode, true); if (!host_err) nfsd_check_ignore_resizing(iap); break; @@ -1492,7 +1492,7 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, goto out; } - host_err = vfs_create(dirp, dchild, iap->ia_mode, NULL); + host_err = vfs_create(dirp, dchild, iap->ia_mode, true); if (host_err < 0) { fh_drop_write(fhp); goto out_nfserr; diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c index 08a07a218d26..57ceaf33d177 100644 --- a/fs/nilfs2/gcinode.c +++ b/fs/nilfs2/gcinode.c @@ -191,6 +191,8 @@ void nilfs_remove_all_gcinodes(struct the_nilfs *nilfs) while (!list_empty(head)) { ii = list_first_entry(head, struct nilfs_inode_info, i_dirty); list_del_init(&ii->i_dirty); + truncate_inode_pages(&ii->vfs_inode.i_data, 0); + nilfs_btnode_cache_clear(&ii->i_btnode_cache); iput(&ii->vfs_inode); } } diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index b72847988b78..1d0c0b84c5a3 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -63,7 +63,7 @@ static inline int nilfs_add_nondir(struct dentry *dentry, struct inode *inode) */ static struct dentry * -nilfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode; ino_t ino; @@ -85,7 +85,7 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) * with d_instantiate(). */ static int nilfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct inode *inode; struct nilfs_transaction_info ti; diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 0e72ad6f22aa..88e11fb346b6 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -2309,6 +2309,8 @@ nilfs_remove_written_gcinodes(struct the_nilfs *nilfs, struct list_head *head) if (!test_bit(NILFS_I_UPDATED, &ii->i_state)) continue; list_del_init(&ii->i_dirty); + truncate_inode_pages(&ii->vfs_inode.i_data, 0); + nilfs_btnode_cache_clear(&ii->i_btnode_cache); iput(&ii->vfs_inode); } } diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 1099a76cee59..d57c42f974ea 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -1288,7 +1288,8 @@ nilfs_mount(struct file_system_type *fs_type, int flags, err = -EBUSY; goto failed; } - s = sget(fs_type, nilfs_test_bdev_super, nilfs_set_bdev_super, sd.bdev); + s = sget(fs_type, nilfs_test_bdev_super, nilfs_set_bdev_super, flags, + sd.bdev); mutex_unlock(&sd.bdev->bd_fsfreeze_mutex); if (IS_ERR(s)) { err = PTR_ERR(s); @@ -1301,7 +1302,6 @@ nilfs_mount(struct file_system_type *fs_type, int flags, s_new = true; /* New superblock instance created */ - s->s_flags = flags; s->s_mode = mode; strlcpy(s->s_id, bdevname(sd.bdev, b), sizeof(s->s_id)); sb_set_blocksize(s, block_size(sd.bdev)); diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 3568c8a8b138..d43803669739 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -61,8 +61,6 @@ static struct fsnotify_event *get_one_event(struct fsnotify_group *group, static int create_fd(struct fsnotify_group *group, struct fsnotify_event *event) { int client_fd; - struct dentry *dentry; - struct vfsmount *mnt; struct file *new_file; pr_debug("%s: group=%p event=%p\n", __func__, group, event); @@ -81,12 +79,10 @@ static int create_fd(struct fsnotify_group *group, struct fsnotify_event *event) * we need a new file handle for the userspace program so it can read even if it was * originally opened O_WRONLY. */ - dentry = dget(event->path.dentry); - mnt = mntget(event->path.mnt); /* it's possible this event was an overflow event. in that case dentry and mnt * are NULL; That's fine, just don't call dentry open */ - if (dentry && mnt) - new_file = dentry_open(dentry, mnt, + if (event->path.dentry && event->path.mnt) + new_file = dentry_open(&event->path, group->fanotify_data.f_flags | FMODE_NONOTIFY, current_cred()); else diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index b39c5c161adb..6baadb5a8430 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -52,6 +52,7 @@ void __fsnotify_vfsmount_delete(struct vfsmount *mnt) void __fsnotify_update_child_dentry_flags(struct inode *inode) { struct dentry *alias; + struct hlist_node *p; int watched; if (!S_ISDIR(inode->i_mode)) @@ -63,7 +64,7 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode) spin_lock(&inode->i_lock); /* run all of the dentries associated with this inode. Since this is a * directory, there damn well better only be one item on this list */ - list_for_each_entry(alias, &inode->i_dentry, d_alias) { + hlist_for_each_entry(alias, p, &inode->i_dentry, d_alias) { struct dentry *child; /* run all of the children of the original inode and fix their diff --git a/fs/ntfs/namei.c b/fs/ntfs/namei.c index 358273e59ade..436f36037e09 100644 --- a/fs/ntfs/namei.c +++ b/fs/ntfs/namei.c @@ -101,7 +101,7 @@ * Locking: Caller must hold i_mutex on the directory. */ static struct dentry *ntfs_lookup(struct inode *dir_ino, struct dentry *dent, - struct nameidata *nd) + unsigned int flags) { ntfs_volume *vol = NTFS_SB(dir_ino->i_sb); struct inode *dent_inode; diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index e5ba34818332..8db4b58b2e4b 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -49,14 +49,13 @@ void ocfs2_dentry_attach_gen(struct dentry *dentry) } -static int ocfs2_dentry_revalidate(struct dentry *dentry, - struct nameidata *nd) +static int ocfs2_dentry_revalidate(struct dentry *dentry, unsigned int flags) { struct inode *inode; int ret = 0; /* if all else fails, just return false */ struct ocfs2_super *osb; - if (nd && nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; inode = dentry->d_inode; @@ -170,13 +169,11 @@ struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno, int skip_unhashed) { - struct list_head *p; - struct dentry *dentry = NULL; + struct hlist_node *p; + struct dentry *dentry; spin_lock(&inode->i_lock); - list_for_each(p, &inode->i_dentry) { - dentry = list_entry(p, struct dentry, d_alias); - + hlist_for_each_entry(dentry, p, &inode->i_dentry, d_alias) { spin_lock(&dentry->d_lock); if (ocfs2_match_dentry(dentry, parent_blkno, skip_unhashed)) { trace_ocfs2_find_local_alias(dentry->d_name.len, @@ -184,16 +181,13 @@ struct dentry *ocfs2_find_local_alias(struct inode *inode, dget_dlock(dentry); spin_unlock(&dentry->d_lock); - break; + spin_unlock(&inode->i_lock); + return dentry; } spin_unlock(&dentry->d_lock); - - dentry = NULL; } - spin_unlock(&inode->i_lock); - - return dentry; + return NULL; } DEFINE_SPINLOCK(dentry_attach_lock); diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c index e31d6ae013ab..83b6f98e0665 100644 --- a/fs/ocfs2/dlmfs/dlmfs.c +++ b/fs/ocfs2/dlmfs/dlmfs.c @@ -526,7 +526,7 @@ bail: static int dlmfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { int status = 0; struct inode *inode; diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 81a4cd22f80b..4f7795fb5fc0 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -456,7 +456,7 @@ static void ocfs2_update_lock_stats(struct ocfs2_lock_res *res, int level, stats->ls_gets++; stats->ls_total += ktime_to_ns(kt); /* overflow */ - if (unlikely(stats->ls_gets) == 0) { + if (unlikely(stats->ls_gets == 0)) { stats->ls_gets++; stats->ls_total = ktime_to_ns(kt); } @@ -3932,6 +3932,8 @@ unqueue: static void ocfs2_schedule_blocked_lock(struct ocfs2_super *osb, struct ocfs2_lock_res *lockres) { + unsigned long flags; + assert_spin_locked(&lockres->l_lock); if (lockres->l_flags & OCFS2_LOCK_FREEING) { @@ -3945,21 +3947,22 @@ static void ocfs2_schedule_blocked_lock(struct ocfs2_super *osb, lockres_or_flags(lockres, OCFS2_LOCK_QUEUED); - spin_lock(&osb->dc_task_lock); + spin_lock_irqsave(&osb->dc_task_lock, flags); if (list_empty(&lockres->l_blocked_list)) { list_add_tail(&lockres->l_blocked_list, &osb->blocked_lock_list); osb->blocked_lock_count++; } - spin_unlock(&osb->dc_task_lock); + spin_unlock_irqrestore(&osb->dc_task_lock, flags); } static void ocfs2_downconvert_thread_do_work(struct ocfs2_super *osb) { unsigned long processed; + unsigned long flags; struct ocfs2_lock_res *lockres; - spin_lock(&osb->dc_task_lock); + spin_lock_irqsave(&osb->dc_task_lock, flags); /* grab this early so we know to try again if a state change and * wake happens part-way through our work */ osb->dc_work_sequence = osb->dc_wake_sequence; @@ -3972,38 +3975,40 @@ static void ocfs2_downconvert_thread_do_work(struct ocfs2_super *osb) struct ocfs2_lock_res, l_blocked_list); list_del_init(&lockres->l_blocked_list); osb->blocked_lock_count--; - spin_unlock(&osb->dc_task_lock); + spin_unlock_irqrestore(&osb->dc_task_lock, flags); BUG_ON(!processed); processed--; ocfs2_process_blocked_lock(osb, lockres); - spin_lock(&osb->dc_task_lock); + spin_lock_irqsave(&osb->dc_task_lock, flags); } - spin_unlock(&osb->dc_task_lock); + spin_unlock_irqrestore(&osb->dc_task_lock, flags); } static int ocfs2_downconvert_thread_lists_empty(struct ocfs2_super *osb) { int empty = 0; + unsigned long flags; - spin_lock(&osb->dc_task_lock); + spin_lock_irqsave(&osb->dc_task_lock, flags); if (list_empty(&osb->blocked_lock_list)) empty = 1; - spin_unlock(&osb->dc_task_lock); + spin_unlock_irqrestore(&osb->dc_task_lock, flags); return empty; } static int ocfs2_downconvert_thread_should_wake(struct ocfs2_super *osb) { int should_wake = 0; + unsigned long flags; - spin_lock(&osb->dc_task_lock); + spin_lock_irqsave(&osb->dc_task_lock, flags); if (osb->dc_work_sequence != osb->dc_wake_sequence) should_wake = 1; - spin_unlock(&osb->dc_task_lock); + spin_unlock_irqrestore(&osb->dc_task_lock, flags); return should_wake; } @@ -4033,10 +4038,12 @@ static int ocfs2_downconvert_thread(void *arg) void ocfs2_wake_downconvert_thread(struct ocfs2_super *osb) { - spin_lock(&osb->dc_task_lock); + unsigned long flags; + + spin_lock_irqsave(&osb->dc_task_lock, flags); /* make sure the voting thread gets a swipe at whatever changes * the caller may have made to the voting state */ osb->dc_wake_sequence++; - spin_unlock(&osb->dc_task_lock); + spin_unlock_irqrestore(&osb->dc_task_lock, flags); wake_up(&osb->dc_event); } diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 2f5b92ef0e53..70b5863a2d64 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -923,8 +923,6 @@ out_unlock: ocfs2_inode_unlock(inode, 0); out: - if (ret && ret != -ENXIO) - ret = -ENXIO; return ret; } diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 061591a3ab08..7602783d7f41 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1950,7 +1950,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, if (ret < 0) mlog_errno(ret); - if (file->f_flags & O_SYNC) + if (file && (file->f_flags & O_SYNC)) handle->h_sync = 1; ocfs2_commit_trans(osb, handle); @@ -2422,8 +2422,10 @@ out_dio: unaligned_dio = 0; } - if (unaligned_dio) + if (unaligned_dio) { + ocfs2_iocb_clear_unaligned_aio(iocb); atomic_dec(&OCFS2_I(inode)->ip_unaligned_aio); + } out: if (rw_level != -1) diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 9f39c640cddf..f1fd0741162b 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -98,7 +98,7 @@ static int ocfs2_create_symlink_data(struct ocfs2_super *osb, #define OCFS2_ORPHAN_NAMELEN ((int)(2 * sizeof(u64))) static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { int status; u64 blkno; @@ -618,7 +618,7 @@ static int ocfs2_mkdir(struct inode *dir, static int ocfs2_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { int ret; diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 92fcd575775a..0a86e302655f 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -399,8 +399,6 @@ int ocfs2_global_read_info(struct super_block *sb, int type) msecs_to_jiffies(oinfo->dqi_syncms)); out_err: - if (status) - mlog_errno(status); return status; out_unlock: ocfs2_unlock_global_qf(oinfo, 0); diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c index f00576ec320f..fb5b3ff79dc6 100644 --- a/fs/omfs/dir.c +++ b/fs/omfs/dir.c @@ -285,13 +285,13 @@ static int omfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) } static int omfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { return omfs_add_node(dir, dentry, mode | S_IFREG); } static struct dentry *omfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct buffer_head *bh; struct inode *inode = NULL; diff --git a/fs/open.c b/fs/open.c index d6c79a0dffc7..1e914b397e12 100644 --- a/fs/open.c +++ b/fs/open.c @@ -397,10 +397,10 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd) { struct file *file; struct inode *inode; - int error; + int error, fput_needed; error = -EBADF; - file = fget(fd); + file = fget_raw_light(fd, &fput_needed); if (!file) goto out; @@ -414,7 +414,7 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd) if (!error) set_fs_pwd(current->fs, &file->f_path); out_putf: - fput(file); + fput_light(file, fput_needed); out: return error; } @@ -537,25 +537,6 @@ static int chown_common(struct path *path, uid_t user, gid_t group) return error; } -SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group) -{ - struct path path; - int error; - - error = user_path(filename, &path); - if (error) - goto out; - error = mnt_want_write(path.mnt); - if (error) - goto out_release; - error = chown_common(&path, user, group); - mnt_drop_write(path.mnt); -out_release: - path_put(&path); -out: - return error; -} - SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user, gid_t, group, int, flag) { @@ -583,23 +564,15 @@ out: return error; } -SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group) +SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group) { - struct path path; - int error; + return sys_fchownat(AT_FDCWD, filename, user, group, 0); +} - error = user_lpath(filename, &path); - if (error) - goto out; - error = mnt_want_write(path.mnt); - if (error) - goto out_release; - error = chown_common(&path, user, group); - mnt_drop_write(path.mnt); -out_release: - path_put(&path); -out: - return error; +SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group) +{ + return sys_fchownat(AT_FDCWD, filename, user, group, + AT_SYMLINK_NOFOLLOW); } SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group) @@ -667,10 +640,9 @@ int open_check_o_direct(struct file *f) return 0; } -static struct file *do_dentry_open(struct dentry *dentry, struct vfsmount *mnt, - struct file *f, - int (*open)(struct inode *, struct file *), - const struct cred *cred) +static int do_dentry_open(struct file *f, + int (*open)(struct inode *, struct file *), + const struct cred *cred) { static const struct file_operations empty_fops = {}; struct inode *inode; @@ -682,9 +654,9 @@ static struct file *do_dentry_open(struct dentry *dentry, struct vfsmount *mnt, if (unlikely(f->f_flags & O_PATH)) f->f_mode = FMODE_PATH; - inode = dentry->d_inode; + inode = f->f_path.dentry->d_inode; if (f->f_mode & FMODE_WRITE) { - error = __get_file_write_access(inode, mnt); + error = __get_file_write_access(inode, f->f_path.mnt); if (error) goto cleanup_file; if (!special_file(inode->i_mode)) @@ -692,14 +664,12 @@ static struct file *do_dentry_open(struct dentry *dentry, struct vfsmount *mnt, } f->f_mapping = inode->i_mapping; - f->f_path.dentry = dentry; - f->f_path.mnt = mnt; f->f_pos = 0; file_sb_list_add(f, inode->i_sb); if (unlikely(f->f_mode & FMODE_PATH)) { f->f_op = &empty_fops; - return f; + return 0; } f->f_op = fops_get(inode->i_fop); @@ -726,10 +696,11 @@ static struct file *do_dentry_open(struct dentry *dentry, struct vfsmount *mnt, file_ra_state_init(&f->f_ra, f->f_mapping->host->i_mapping); - return f; + return 0; cleanup_all: fops_put(f->f_op); + file_sb_list_del(f); if (f->f_mode & FMODE_WRITE) { put_write_access(inode); if (!special_file(inode->i_mode)) { @@ -740,124 +711,62 @@ cleanup_all: * here, so just reset the state. */ file_reset_write(f); - mnt_drop_write(mnt); + mnt_drop_write(f->f_path.mnt); } } - file_sb_list_del(f); - f->f_path.dentry = NULL; - f->f_path.mnt = NULL; cleanup_file: - dput(dentry); - mntput(mnt); - return ERR_PTR(error); -} - -static struct file *__dentry_open(struct dentry *dentry, struct vfsmount *mnt, - struct file *f, - int (*open)(struct inode *, struct file *), - const struct cred *cred) -{ - struct file *res = do_dentry_open(dentry, mnt, f, open, cred); - if (!IS_ERR(res)) { - int error = open_check_o_direct(f); - if (error) { - fput(res); - res = ERR_PTR(error); - } - } else { - put_filp(f); - } - return res; + path_put(&f->f_path); + f->f_path.mnt = NULL; + f->f_path.dentry = NULL; + return error; } /** - * lookup_instantiate_filp - instantiates the open intent filp - * @nd: pointer to nameidata + * finish_open - finish opening a file + * @od: opaque open data * @dentry: pointer to dentry * @open: open callback * - * Helper for filesystems that want to use lookup open intents and pass back - * a fully instantiated struct file to the caller. - * This function is meant to be called from within a filesystem's - * lookup method. - * Beware of calling it for non-regular files! Those ->open methods might block - * (e.g. in fifo_open), leaving you with parent locked (and in case of fifo, - * leading to a deadlock, as nobody can open that fifo anymore, because - * another process to open fifo will block on locked parent when doing lookup). - * Note that in case of error, nd->intent.open.file is destroyed, but the - * path information remains valid. + * This can be used to finish opening a file passed to i_op->atomic_open(). + * * If the open callback is set to NULL, then the standard f_op->open() * filesystem callback is substituted. */ -struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry, - int (*open)(struct inode *, struct file *)) +int finish_open(struct file *file, struct dentry *dentry, + int (*open)(struct inode *, struct file *), + int *opened) { - const struct cred *cred = current_cred(); + int error; + BUG_ON(*opened & FILE_OPENED); /* once it's opened, it's opened */ - if (IS_ERR(nd->intent.open.file)) - goto out; - if (IS_ERR(dentry)) - goto out_err; - nd->intent.open.file = __dentry_open(dget(dentry), mntget(nd->path.mnt), - nd->intent.open.file, - open, cred); -out: - return nd->intent.open.file; -out_err: - release_open_intent(nd); - nd->intent.open.file = ERR_CAST(dentry); - goto out; + mntget(file->f_path.mnt); + file->f_path.dentry = dget(dentry); + + error = do_dentry_open(file, open, current_cred()); + if (!error) + *opened |= FILE_OPENED; + + return error; } -EXPORT_SYMBOL_GPL(lookup_instantiate_filp); +EXPORT_SYMBOL(finish_open); /** - * nameidata_to_filp - convert a nameidata to an open filp. - * @nd: pointer to nameidata - * @flags: open flags + * finish_no_open - finish ->atomic_open() without opening the file + * + * @od: opaque open data + * @dentry: dentry or NULL (as returned from ->lookup()) * - * Note that this function destroys the original nameidata + * This can be used to set the result of a successful lookup in ->atomic_open(). + * The filesystem's atomic_open() method shall return NULL after calling this. */ -struct file *nameidata_to_filp(struct nameidata *nd) +int finish_no_open(struct file *file, struct dentry *dentry) { - const struct cred *cred = current_cred(); - struct file *filp; - - /* Pick up the filp from the open intent */ - filp = nd->intent.open.file; - - /* Has the filesystem initialised the file for us? */ - if (filp->f_path.dentry != NULL) { - nd->intent.open.file = NULL; - } else { - struct file *res; - - path_get(&nd->path); - res = do_dentry_open(nd->path.dentry, nd->path.mnt, - filp, NULL, cred); - if (!IS_ERR(res)) { - int error; - - nd->intent.open.file = NULL; - BUG_ON(res != filp); - - error = open_check_o_direct(filp); - if (error) { - fput(filp); - filp = ERR_PTR(error); - } - } else { - /* Allow nd->intent.open.file to be recycled */ - filp = res; - } - } - return filp; + file->f_path.dentry = dentry; + return 1; } +EXPORT_SYMBOL(finish_no_open); -/* - * dentry_open() will have done dput(dentry) and mntput(mnt) if it returns an - * error. - */ -struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags, +struct file *dentry_open(const struct path *path, int flags, const struct cred *cred) { int error; @@ -866,18 +775,28 @@ struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags, validate_creds(cred); /* We must always pass in a valid mount pointer. */ - BUG_ON(!mnt); + BUG_ON(!path->mnt); error = -ENFILE; f = get_empty_filp(); - if (f == NULL) { - dput(dentry); - mntput(mnt); + if (f == NULL) return ERR_PTR(error); - } f->f_flags = flags; - return __dentry_open(dentry, mnt, f, NULL, cred); + f->f_path = *path; + path_get(&f->f_path); + error = do_dentry_open(f, NULL, cred); + if (!error) { + error = open_check_o_direct(f); + if (error) { + fput(f); + f = ERR_PTR(error); + } + } else { + put_filp(f); + f = ERR_PTR(error); + } + return f; } EXPORT_SYMBOL(dentry_open); diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index bc49c975d501..4a3477949bca 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -170,13 +170,13 @@ static const struct file_operations openprom_operations = { .llseek = generic_file_llseek, }; -static struct dentry *openpromfs_lookup(struct inode *, struct dentry *, struct nameidata *); +static struct dentry *openpromfs_lookup(struct inode *, struct dentry *, unsigned int); static const struct inode_operations openprom_inode_operations = { .lookup = openpromfs_lookup, }; -static struct dentry *openpromfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +static struct dentry *openpromfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct op_inode_info *ent_oi, *oi = OP_I(dir); struct device_node *dp, *child; diff --git a/fs/pnode.c b/fs/pnode.c index bed378db0758..3e000a51ac0d 100644 --- a/fs/pnode.c +++ b/fs/pnode.c @@ -237,8 +237,9 @@ int propagate_mnt(struct mount *dest_mnt, struct dentry *dest_dentry, source = get_source(m, prev_dest_mnt, prev_src_mnt, &type); - if (!(child = copy_tree(source, source->mnt.mnt_root, type))) { - ret = -ENOMEM; + child = copy_tree(source, source->mnt.mnt_root, type); + if (IS_ERR(child)) { + ret = PTR_ERR(child); list_splice(tree_list, tmp_list.prev); goto out; } diff --git a/fs/proc/base.c b/fs/proc/base.c index 437195f204e1..2772208338f8 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1427,16 +1427,19 @@ static int proc_exe_link(struct dentry *dentry, struct path *exe_path) static void *proc_pid_follow_link(struct dentry *dentry, struct nameidata *nd) { struct inode *inode = dentry->d_inode; + struct path path; int error = -EACCES; - /* We don't need a base pointer in the /proc filesystem */ - path_put(&nd->path); - /* Are we allowed to snoop on the tasks file descriptors? */ if (!proc_fd_access_allowed(inode)) goto out; - error = PROC_I(inode)->op.proc_get_link(dentry, &nd->path); + error = PROC_I(inode)->op.proc_get_link(dentry, &path); + if (error) + goto out; + + nd_jump_link(nd, &path); + return NULL; out: return ERR_PTR(error); } @@ -1601,13 +1604,13 @@ int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) * made this apply to all per process world readable and executable * directories. */ -int pid_revalidate(struct dentry *dentry, struct nameidata *nd) +int pid_revalidate(struct dentry *dentry, unsigned int flags) { struct inode *inode; struct task_struct *task; const struct cred *cred; - if (nd && nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; inode = dentry->d_inode; @@ -1781,7 +1784,7 @@ static int proc_fd_link(struct dentry *dentry, struct path *path) return proc_fd_info(dentry->d_inode, path, NULL); } -static int tid_fd_revalidate(struct dentry *dentry, struct nameidata *nd) +static int tid_fd_revalidate(struct dentry *dentry, unsigned int flags) { struct inode *inode; struct task_struct *task; @@ -1789,7 +1792,7 @@ static int tid_fd_revalidate(struct dentry *dentry, struct nameidata *nd) struct files_struct *files; const struct cred *cred; - if (nd && nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; inode = dentry->d_inode; @@ -1868,7 +1871,7 @@ static struct dentry *proc_fd_instantiate(struct inode *dir, d_set_d_op(dentry, &tid_fd_dentry_operations); d_add(dentry, inode); /* Close the race of the process dying before we return the dentry */ - if (tid_fd_revalidate(dentry, NULL)) + if (tid_fd_revalidate(dentry, 0)) error = NULL; out: @@ -1956,7 +1959,7 @@ out_no_task: } static struct dentry *proc_lookupfd(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { return proc_lookupfd_common(dir, dentry, proc_fd_instantiate); } @@ -2003,7 +2006,7 @@ static int dname_to_vma_addr(struct dentry *dentry, return 0; } -static int map_files_d_revalidate(struct dentry *dentry, struct nameidata *nd) +static int map_files_d_revalidate(struct dentry *dentry, unsigned int flags) { unsigned long vm_start, vm_end; bool exact_vma_exists = false; @@ -2013,7 +2016,7 @@ static int map_files_d_revalidate(struct dentry *dentry, struct nameidata *nd) struct inode *inode; int status = 0; - if (nd && nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; if (!capable(CAP_SYS_ADMIN)) { @@ -2145,7 +2148,7 @@ proc_map_files_instantiate(struct inode *dir, struct dentry *dentry, } static struct dentry *proc_map_files_lookup(struct inode *dir, - struct dentry *dentry, struct nameidata *nd) + struct dentry *dentry, unsigned int flags) { unsigned long vm_start, vm_end; struct vm_area_struct *vma; @@ -2371,7 +2374,7 @@ static struct dentry *proc_fdinfo_instantiate(struct inode *dir, d_set_d_op(dentry, &tid_fd_dentry_operations); d_add(dentry, inode); /* Close the race of the process dying before we return the dentry */ - if (tid_fd_revalidate(dentry, NULL)) + if (tid_fd_revalidate(dentry, 0)) error = NULL; out: @@ -2380,7 +2383,7 @@ static struct dentry *proc_fdinfo_instantiate(struct inode *dir, static struct dentry *proc_lookupfdinfo(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { return proc_lookupfd_common(dir, dentry, proc_fdinfo_instantiate); } @@ -2430,7 +2433,7 @@ static struct dentry *proc_pident_instantiate(struct inode *dir, d_set_d_op(dentry, &pid_dentry_operations); d_add(dentry, inode); /* Close the race of the process dying before we return the dentry */ - if (pid_revalidate(dentry, NULL)) + if (pid_revalidate(dentry, 0)) error = NULL; out: return error; @@ -2630,7 +2633,7 @@ static const struct file_operations proc_attr_dir_operations = { }; static struct dentry *proc_attr_dir_lookup(struct inode *dir, - struct dentry *dentry, struct nameidata *nd) + struct dentry *dentry, unsigned int flags) { return proc_pident_lookup(dir, dentry, attr_dir_stuff, ARRAY_SIZE(attr_dir_stuff)); @@ -3114,7 +3117,8 @@ static const struct file_operations proc_tgid_base_operations = { .llseek = default_llseek, }; -static struct dentry *proc_tgid_base_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd){ +static struct dentry *proc_tgid_base_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) +{ return proc_pident_lookup(dir, dentry, tgid_base_stuff, ARRAY_SIZE(tgid_base_stuff)); } @@ -3237,13 +3241,13 @@ static struct dentry *proc_pid_instantiate(struct inode *dir, d_add(dentry, inode); /* Close the race of the process dying before we return the dentry */ - if (pid_revalidate(dentry, NULL)) + if (pid_revalidate(dentry, 0)) error = NULL; out: return error; } -struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *nd) +struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, unsigned int flags) { struct dentry *result; struct task_struct *task; @@ -3470,7 +3474,8 @@ static int proc_tid_base_readdir(struct file * filp, tid_base_stuff,ARRAY_SIZE(tid_base_stuff)); } -static struct dentry *proc_tid_base_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd){ +static struct dentry *proc_tid_base_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) +{ return proc_pident_lookup(dir, dentry, tid_base_stuff, ARRAY_SIZE(tid_base_stuff)); } @@ -3508,13 +3513,13 @@ static struct dentry *proc_task_instantiate(struct inode *dir, d_add(dentry, inode); /* Close the race of the process dying before we return the dentry */ - if (pid_revalidate(dentry, NULL)) + if (pid_revalidate(dentry, 0)) error = NULL; out: return error; } -static struct dentry *proc_task_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *nd) +static struct dentry *proc_task_lookup(struct inode *dir, struct dentry * dentry, unsigned int flags) { struct dentry *result = ERR_PTR(-ENOENT); struct task_struct *task; diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 2edf34f2eb61..b3647fe6a608 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -446,7 +446,7 @@ out_unlock: } struct dentry *proc_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { return proc_lookup_de(PDE(dir), dir, dentry); } diff --git a/fs/proc/internal.h b/fs/proc/internal.h index eca4aca5b6e2..e1167a1c9126 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -106,7 +106,7 @@ void pde_users_dec(struct proc_dir_entry *pde); extern spinlock_t proc_subdir_lock; -struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *); +struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, unsigned int); int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir); unsigned long task_vsize(struct mm_struct *); unsigned long task_statm(struct mm_struct *, @@ -132,7 +132,7 @@ int proc_remount(struct super_block *sb, int *flags, char *data); * of the /proc/<pid> subdirectories. */ int proc_readdir(struct file *, void *, filldir_t); -struct dentry *proc_lookup(struct inode *, struct dentry *, struct nameidata *); +struct dentry *proc_lookup(struct inode *, struct dentry *, unsigned int); @@ -142,7 +142,7 @@ typedef struct dentry *instantiate_t(struct inode *, struct dentry *, int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir, const char *name, int len, instantiate_t instantiate, struct task_struct *task, const void *ptr); -int pid_revalidate(struct dentry *dentry, struct nameidata *nd); +int pid_revalidate(struct dentry *dentry, unsigned int flags); struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *task); extern const struct dentry_operations pid_dentry_operations; int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat); diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c index 0d9e23a39e49..b178ed733c36 100644 --- a/fs/proc/namespaces.c +++ b/fs/proc/namespaces.c @@ -56,7 +56,7 @@ static struct dentry *proc_ns_instantiate(struct inode *dir, d_set_d_op(dentry, &pid_dentry_operations); d_add(dentry, inode); /* Close the race of the process dying before we return the dentry */ - if (pid_revalidate(dentry, NULL)) + if (pid_revalidate(dentry, 0)) error = NULL; out: return error; @@ -140,7 +140,7 @@ const struct file_operations proc_ns_dir_operations = { }; static struct dentry *proc_ns_dir_lookup(struct inode *dir, - struct dentry *dentry, struct nameidata *nd) + struct dentry *dentry, unsigned int flags) { struct dentry *error; struct task_struct *task = get_proc_task(dir); diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c index 927cbd115e53..df7dd08d4391 100644 --- a/fs/proc/proc_devtree.c +++ b/fs/proc/proc_devtree.c @@ -101,6 +101,11 @@ void proc_device_tree_update_prop(struct proc_dir_entry *pde, { struct proc_dir_entry *ent; + if (!oldprop) { + proc_device_tree_add_prop(pde, newprop); + return; + } + for (ent = pde->subdir; ent != NULL; ent = ent->next) if (ent->data == oldprop) break; diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c index 06e1cc17caf6..fe72cd073dea 100644 --- a/fs/proc/proc_net.c +++ b/fs/proc/proc_net.c @@ -119,7 +119,7 @@ static struct net *get_proc_task_net(struct inode *dir) } static struct dentry *proc_tgid_net_lookup(struct inode *dir, - struct dentry *dentry, struct nameidata *nd) + struct dentry *dentry, unsigned int flags) { struct dentry *de; struct net *net; diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 3476bca8f7af..dfafeb2b05a0 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -433,7 +433,7 @@ static struct ctl_table_header *grab_header(struct inode *inode) } static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct ctl_table_header *head = grab_header(dir); struct ctl_table_header *h = NULL; @@ -794,9 +794,9 @@ static const struct inode_operations proc_sys_dir_operations = { .getattr = proc_sys_getattr, }; -static int proc_sys_revalidate(struct dentry *dentry, struct nameidata *nd) +static int proc_sys_revalidate(struct dentry *dentry, unsigned int flags) { - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; return !PROC_I(dentry->d_inode)->sysctl->unregistering; } diff --git a/fs/proc/root.c b/fs/proc/root.c index 7c30fce037c0..9a2d9fd7cadd 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -111,7 +111,7 @@ static struct dentry *proc_mount(struct file_system_type *fs_type, options = data; } - sb = sget(fs_type, proc_test_super, proc_set_super, ns); + sb = sget(fs_type, proc_test_super, proc_set_super, flags, ns); if (IS_ERR(sb)) return ERR_CAST(sb); @@ -121,7 +121,6 @@ static struct dentry *proc_mount(struct file_system_type *fs_type, } if (!sb->s_root) { - sb->s_flags = flags; err = proc_fill_super(sb); if (err) { deactivate_locked_super(sb); @@ -200,13 +199,12 @@ static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct return 0; } -static struct dentry *proc_root_lookup(struct inode * dir, struct dentry * dentry, struct nameidata *nd) +static struct dentry *proc_root_lookup(struct inode * dir, struct dentry * dentry, unsigned int flags) { - if (!proc_lookup(dir, dentry, nd)) { + if (!proc_lookup(dir, dentry, flags)) return NULL; - } - return proc_pid_lookup(dir, dentry, nd); + return proc_pid_lookup(dir, dentry, flags); } static int proc_root_readdir(struct file * filp, diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c index 5e289a7cbad1..5fe34c355e85 100644 --- a/fs/proc_namespace.c +++ b/fs/proc_namespace.c @@ -17,7 +17,7 @@ static unsigned mounts_poll(struct file *file, poll_table *wait) { - struct proc_mounts *p = file->private_data; + struct proc_mounts *p = proc_mounts(file->private_data); struct mnt_namespace *ns = p->ns; unsigned res = POLLIN | POLLRDNORM; @@ -121,7 +121,7 @@ out: static int show_mountinfo(struct seq_file *m, struct vfsmount *mnt) { - struct proc_mounts *p = m->private; + struct proc_mounts *p = proc_mounts(m); struct mount *r = real_mount(mnt); struct super_block *sb = mnt->mnt_sb; struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt }; @@ -268,7 +268,6 @@ static int mounts_open_common(struct inode *inode, struct file *file, if (ret) goto err_free; - p->m.private = p; p->ns = ns; p->root = root; p->m.poll_event = ns->event; @@ -288,7 +287,7 @@ static int mounts_open_common(struct inode *inode, struct file *file, static int mounts_release(struct inode *inode, struct file *file) { - struct proc_mounts *p = file->private_data; + struct proc_mounts *p = proc_mounts(file->private_data); path_put(&p->root); put_mnt_ns(p->ns); return seq_release(inode, file); diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig index 23ade2680a4a..d39bb5cce883 100644 --- a/fs/pstore/Kconfig +++ b/fs/pstore/Kconfig @@ -12,6 +12,25 @@ config PSTORE If you don't have a platform persistent store driver, say N. +config PSTORE_CONSOLE + bool "Log kernel console messages" + depends on PSTORE + help + When the option is enabled, pstore will log all kernel + messages, even if no oops or panic happened. + +config PSTORE_FTRACE + bool "Persistent function tracer" + depends on PSTORE + depends on FUNCTION_TRACER + help + With this option kernel traces function calls into a persistent + ram buffer that can be decoded and dumped after reboot through + pstore filesystem. It can be used to determine what function + was last called before a reset or panic. + + If unsure, say N. + config PSTORE_RAM tristate "Log panic/oops to a RAM buffer" depends on PSTORE diff --git a/fs/pstore/Makefile b/fs/pstore/Makefile index 278a44e0d4e1..4c9095c2781e 100644 --- a/fs/pstore/Makefile +++ b/fs/pstore/Makefile @@ -5,6 +5,7 @@ obj-y += pstore.o pstore-objs += inode.o platform.o +obj-$(CONFIG_PSTORE_FTRACE) += ftrace.o ramoops-objs += ram.o ram_core.o obj-$(CONFIG_PSTORE_RAM) += ramoops.o diff --git a/fs/pstore/ftrace.c b/fs/pstore/ftrace.c new file mode 100644 index 000000000000..a130d484b7d3 --- /dev/null +++ b/fs/pstore/ftrace.c @@ -0,0 +1,35 @@ +/* + * Copyright 2012 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/compiler.h> +#include <linux/irqflags.h> +#include <linux/percpu.h> +#include <linux/smp.h> +#include <linux/atomic.h> +#include <asm/barrier.h> +#include "internal.h" + +void notrace pstore_ftrace_call(unsigned long ip, unsigned long parent_ip) +{ + struct pstore_ftrace_record rec = {}; + + if (unlikely(oops_in_progress)) + return; + + rec.ip = ip; + rec.parent_ip = parent_ip; + pstore_ftrace_encode_cpu(&rec, raw_smp_processor_id()); + psinfo->write_buf(PSTORE_TYPE_FTRACE, 0, NULL, 0, (void *)&rec, + sizeof(rec), psinfo); +} diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c index aeb19e68e086..4ab572e6d277 100644 --- a/fs/pstore/inode.c +++ b/fs/pstore/inode.c @@ -27,6 +27,7 @@ #include <linux/list.h> #include <linux/string.h> #include <linux/mount.h> +#include <linux/seq_file.h> #include <linux/ramfs.h> #include <linux/parser.h> #include <linux/sched.h> @@ -52,18 +53,117 @@ struct pstore_private { char data[]; }; +struct pstore_ftrace_seq_data { + const void *ptr; + size_t off; + size_t size; +}; + +#define REC_SIZE sizeof(struct pstore_ftrace_record) + +static void *pstore_ftrace_seq_start(struct seq_file *s, loff_t *pos) +{ + struct pstore_private *ps = s->private; + struct pstore_ftrace_seq_data *data; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return NULL; + + data->off = ps->size % REC_SIZE; + data->off += *pos * REC_SIZE; + if (data->off + REC_SIZE > ps->size) { + kfree(data); + return NULL; + } + + return data; + +} + +static void pstore_ftrace_seq_stop(struct seq_file *s, void *v) +{ + kfree(v); +} + +static void *pstore_ftrace_seq_next(struct seq_file *s, void *v, loff_t *pos) +{ + struct pstore_private *ps = s->private; + struct pstore_ftrace_seq_data *data = v; + + data->off += REC_SIZE; + if (data->off + REC_SIZE > ps->size) + return NULL; + + (*pos)++; + return data; +} + +static int pstore_ftrace_seq_show(struct seq_file *s, void *v) +{ + struct pstore_private *ps = s->private; + struct pstore_ftrace_seq_data *data = v; + struct pstore_ftrace_record *rec = (void *)(ps->data + data->off); + + seq_printf(s, "%d %08lx %08lx %pf <- %pF\n", + pstore_ftrace_decode_cpu(rec), rec->ip, rec->parent_ip, + (void *)rec->ip, (void *)rec->parent_ip); + + return 0; +} + +static const struct seq_operations pstore_ftrace_seq_ops = { + .start = pstore_ftrace_seq_start, + .next = pstore_ftrace_seq_next, + .stop = pstore_ftrace_seq_stop, + .show = pstore_ftrace_seq_show, +}; + static ssize_t pstore_file_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { - struct pstore_private *ps = file->private_data; + struct seq_file *sf = file->private_data; + struct pstore_private *ps = sf->private; + if (ps->type == PSTORE_TYPE_FTRACE) + return seq_read(file, userbuf, count, ppos); return simple_read_from_buffer(userbuf, count, ppos, ps->data, ps->size); } +static int pstore_file_open(struct inode *inode, struct file *file) +{ + struct pstore_private *ps = inode->i_private; + struct seq_file *sf; + int err; + const struct seq_operations *sops = NULL; + + if (ps->type == PSTORE_TYPE_FTRACE) + sops = &pstore_ftrace_seq_ops; + + err = seq_open(file, sops); + if (err < 0) + return err; + + sf = file->private_data; + sf->private = ps; + + return 0; +} + +static loff_t pstore_file_llseek(struct file *file, loff_t off, int origin) +{ + struct seq_file *sf = file->private_data; + + if (sf->op) + return seq_lseek(file, off, origin); + return default_llseek(file, off, origin); +} + static const struct file_operations pstore_file_operations = { - .open = simple_open, - .read = pstore_file_read, - .llseek = default_llseek, + .open = pstore_file_open, + .read = pstore_file_read, + .llseek = pstore_file_llseek, + .release = seq_release, }; /* @@ -212,6 +312,12 @@ int pstore_mkfile(enum pstore_type_id type, char *psname, u64 id, case PSTORE_TYPE_DMESG: sprintf(name, "dmesg-%s-%lld", psname, id); break; + case PSTORE_TYPE_CONSOLE: + sprintf(name, "console-%s", psname); + break; + case PSTORE_TYPE_FTRACE: + sprintf(name, "ftrace-%s", psname); + break; case PSTORE_TYPE_MCE: sprintf(name, "mce-%s-%lld", psname, id); break; @@ -258,7 +364,7 @@ fail: return rc; } -int pstore_fill_super(struct super_block *sb, void *data, int silent) +static int pstore_fill_super(struct super_block *sb, void *data, int silent) { struct inode *inode; diff --git a/fs/pstore/internal.h b/fs/pstore/internal.h index 3bde461c3f34..0d0d3b7d5f12 100644 --- a/fs/pstore/internal.h +++ b/fs/pstore/internal.h @@ -1,6 +1,51 @@ +#ifndef __PSTORE_INTERNAL_H__ +#define __PSTORE_INTERNAL_H__ + +#include <linux/types.h> +#include <linux/time.h> +#include <linux/pstore.h> + +#if NR_CPUS <= 2 && defined(CONFIG_ARM_THUMB) +#define PSTORE_CPU_IN_IP 0x1 +#elif NR_CPUS <= 4 && defined(CONFIG_ARM) +#define PSTORE_CPU_IN_IP 0x3 +#endif + +struct pstore_ftrace_record { + unsigned long ip; + unsigned long parent_ip; +#ifndef PSTORE_CPU_IN_IP + unsigned int cpu; +#endif +}; + +static inline void +pstore_ftrace_encode_cpu(struct pstore_ftrace_record *rec, unsigned int cpu) +{ +#ifndef PSTORE_CPU_IN_IP + rec->cpu = cpu; +#else + rec->ip |= cpu; +#endif +} + +static inline unsigned int +pstore_ftrace_decode_cpu(struct pstore_ftrace_record *rec) +{ +#ifndef PSTORE_CPU_IN_IP + return rec->cpu; +#else + return rec->ip & PSTORE_CPU_IN_IP; +#endif +} + +extern struct pstore_info *psinfo; + extern void pstore_set_kmsg_bytes(int); extern void pstore_get_records(int); extern int pstore_mkfile(enum pstore_type_id, char *psname, u64 id, char *data, size_t size, struct timespec time, struct pstore_info *psi); extern int pstore_is_mounted(void); + +#endif diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index 82c585f715e3..29996e8793a7 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -1,6 +1,7 @@ /* * Persistent Storage - platform driver interface parts. * + * Copyright (C) 2007-2008 Google, Inc. * Copyright (C) 2010 Intel Corporation <tony.luck@intel.com> * * This program is free software; you can redistribute it and/or modify @@ -22,6 +23,7 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/kmsg_dump.h> +#include <linux/console.h> #include <linux/module.h> #include <linux/pstore.h> #include <linux/string.h> @@ -29,6 +31,7 @@ #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/hardirq.h> +#include <linux/jiffies.h> #include <linux/workqueue.h> #include "internal.h" @@ -38,7 +41,12 @@ * whether the system is actually still running well enough * to let someone see the entry */ -#define PSTORE_INTERVAL (60 * HZ) +static int pstore_update_ms = -1; +module_param_named(update_ms, pstore_update_ms, int, 0600); +MODULE_PARM_DESC(update_ms, "milliseconds before pstore updates its content " + "(default is -1, which means runtime updates are disabled; " + "enabling this option is not safe, it may lead to further " + "corruption on Oopses)"); static int pstore_new_entry; @@ -53,7 +61,7 @@ static DECLARE_WORK(pstore_work, pstore_dowork); * calls to pstore_register() */ static DEFINE_SPINLOCK(pstore_lock); -static struct pstore_info *psinfo; +struct pstore_info *psinfo; static char *backend; @@ -94,20 +102,15 @@ static const char *get_reason_str(enum kmsg_dump_reason reason) * as we can from the end of the buffer. */ static void pstore_dump(struct kmsg_dumper *dumper, - enum kmsg_dump_reason reason, - const char *s1, unsigned long l1, - const char *s2, unsigned long l2) + enum kmsg_dump_reason reason) { - unsigned long s1_start, s2_start; - unsigned long l1_cpy, l2_cpy; - unsigned long size, total = 0; - char *dst; + unsigned long total = 0; const char *why; u64 id; - int hsize, ret; unsigned int part = 1; unsigned long flags = 0; int is_locked = 0; + int ret; why = get_reason_str(reason); @@ -119,30 +122,25 @@ static void pstore_dump(struct kmsg_dumper *dumper, spin_lock_irqsave(&psinfo->buf_lock, flags); oopscount++; while (total < kmsg_bytes) { + char *dst; + unsigned long size; + int hsize; + size_t len; + dst = psinfo->buf; hsize = sprintf(dst, "%s#%d Part%d\n", why, oopscount, part); size = psinfo->bufsize - hsize; dst += hsize; - l2_cpy = min(l2, size); - l1_cpy = min(l1, size - l2_cpy); - - if (l1_cpy + l2_cpy == 0) + if (!kmsg_dump_get_buffer(dumper, true, dst, size, &len)) break; - s2_start = l2 - l2_cpy; - s1_start = l1 - l1_cpy; - - memcpy(dst, s1 + s1_start, l1_cpy); - memcpy(dst + l1_cpy, s2 + s2_start, l2_cpy); - ret = psinfo->write(PSTORE_TYPE_DMESG, reason, &id, part, - hsize + l1_cpy + l2_cpy, psinfo); + hsize + len, psinfo); if (ret == 0 && reason == KMSG_DUMP_OOPS && pstore_is_mounted()) pstore_new_entry = 1; - l1 -= l1_cpy; - l2 -= l2_cpy; - total += l1_cpy + l2_cpy; + + total += hsize + len; part++; } if (in_nmi()) { @@ -156,6 +154,48 @@ static struct kmsg_dumper pstore_dumper = { .dump = pstore_dump, }; +#ifdef CONFIG_PSTORE_CONSOLE +static void pstore_console_write(struct console *con, const char *s, unsigned c) +{ + const char *e = s + c; + + while (s < e) { + unsigned long flags; + + if (c > psinfo->bufsize) + c = psinfo->bufsize; + spin_lock_irqsave(&psinfo->buf_lock, flags); + memcpy(psinfo->buf, s, c); + psinfo->write(PSTORE_TYPE_CONSOLE, 0, NULL, 0, c, psinfo); + spin_unlock_irqrestore(&psinfo->buf_lock, flags); + s += c; + c = e - s; + } +} + +static struct console pstore_console = { + .name = "pstore", + .write = pstore_console_write, + .flags = CON_PRINTBUFFER | CON_ENABLED | CON_ANYTIME, + .index = -1, +}; + +static void pstore_register_console(void) +{ + register_console(&pstore_console); +} +#else +static void pstore_register_console(void) {} +#endif + +static int pstore_write_compat(enum pstore_type_id type, + enum kmsg_dump_reason reason, + u64 *id, unsigned int part, + size_t size, struct pstore_info *psi) +{ + return psi->write_buf(type, reason, id, part, psinfo->buf, size, psi); +} + /* * platform specific persistent storage driver registers with * us here. If pstore is already mounted, call the platform @@ -180,6 +220,8 @@ int pstore_register(struct pstore_info *psi) return -EINVAL; } + if (!psi->write) + psi->write = pstore_write_compat; psinfo = psi; mutex_init(&psinfo->read_mutex); spin_unlock(&pstore_lock); @@ -193,9 +235,13 @@ int pstore_register(struct pstore_info *psi) pstore_get_records(0); kmsg_dump_register(&pstore_dumper); + pstore_register_console(); - pstore_timer.expires = jiffies + PSTORE_INTERVAL; - add_timer(&pstore_timer); + if (pstore_update_ms >= 0) { + pstore_timer.expires = jiffies + + msecs_to_jiffies(pstore_update_ms); + add_timer(&pstore_timer); + } return 0; } @@ -254,7 +300,7 @@ static void pstore_timefunc(unsigned long dummy) schedule_work(&pstore_work); } - mod_timer(&pstore_timer, jiffies + PSTORE_INTERVAL); + mod_timer(&pstore_timer, jiffies + msecs_to_jiffies(pstore_update_ms)); } module_param(backend, charp, 0444); diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index 9123cce28c1e..0b311bc18916 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -25,6 +25,7 @@ #include <linux/kernel.h> #include <linux/err.h> #include <linux/module.h> +#include <linux/version.h> #include <linux/pstore.h> #include <linux/time.h> #include <linux/io.h> @@ -41,6 +42,14 @@ module_param(record_size, ulong, 0400); MODULE_PARM_DESC(record_size, "size of each dump done on oops/panic"); +static ulong ramoops_console_size = MIN_MEM_SIZE; +module_param_named(console_size, ramoops_console_size, ulong, 0400); +MODULE_PARM_DESC(console_size, "size of kernel console log"); + +static ulong ramoops_ftrace_size = MIN_MEM_SIZE; +module_param_named(ftrace_size, ramoops_ftrace_size, ulong, 0400); +MODULE_PARM_DESC(ftrace_size, "size of ftrace log"); + static ulong mem_address; module_param(mem_address, ulong, 0400); MODULE_PARM_DESC(mem_address, @@ -59,18 +68,26 @@ MODULE_PARM_DESC(dump_oops, static int ramoops_ecc; module_param_named(ecc, ramoops_ecc, int, 0600); MODULE_PARM_DESC(ramoops_ecc, - "set to 1 to enable ECC support"); + "if non-zero, the option enables ECC support and specifies " + "ECC buffer size in bytes (1 is a special value, means 16 " + "bytes ECC)"); struct ramoops_context { struct persistent_ram_zone **przs; + struct persistent_ram_zone *cprz; + struct persistent_ram_zone *fprz; phys_addr_t phys_addr; unsigned long size; size_t record_size; + size_t console_size; + size_t ftrace_size; int dump_oops; - bool ecc; - unsigned int count; - unsigned int max_count; - unsigned int read_count; + int ecc_size; + unsigned int max_dump_cnt; + unsigned int dump_write_cnt; + unsigned int dump_read_cnt; + unsigned int console_read_cnt; + unsigned int ftrace_read_cnt; struct pstore_info pstore; }; @@ -81,10 +98,38 @@ static int ramoops_pstore_open(struct pstore_info *psi) { struct ramoops_context *cxt = psi->data; - cxt->read_count = 0; + cxt->dump_read_cnt = 0; + cxt->console_read_cnt = 0; return 0; } +static struct persistent_ram_zone * +ramoops_get_next_prz(struct persistent_ram_zone *przs[], uint *c, uint max, + u64 *id, + enum pstore_type_id *typep, enum pstore_type_id type, + bool update) +{ + struct persistent_ram_zone *prz; + int i = (*c)++; + + if (i >= max) + return NULL; + + prz = przs[i]; + + if (update) { + /* Update old/shadowed buffer. */ + persistent_ram_save_old(prz); + if (!persistent_ram_old_size(prz)) + return NULL; + } + + *typep = type; + *id = i; + + return prz; +} + static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type, struct timespec *time, char **buf, @@ -94,14 +139,18 @@ static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type, struct ramoops_context *cxt = psi->data; struct persistent_ram_zone *prz; - if (cxt->read_count >= cxt->max_count) - return -EINVAL; + prz = ramoops_get_next_prz(cxt->przs, &cxt->dump_read_cnt, + cxt->max_dump_cnt, id, type, + PSTORE_TYPE_DMESG, 1); + if (!prz) + prz = ramoops_get_next_prz(&cxt->cprz, &cxt->console_read_cnt, + 1, id, type, PSTORE_TYPE_CONSOLE, 0); + if (!prz) + prz = ramoops_get_next_prz(&cxt->fprz, &cxt->ftrace_read_cnt, + 1, id, type, PSTORE_TYPE_FTRACE, 0); + if (!prz) + return 0; - *id = cxt->read_count++; - prz = cxt->przs[*id]; - - /* Only supports dmesg output so far. */ - *type = PSTORE_TYPE_DMESG; /* TODO(kees): Bogus time for the moment. */ time->tv_sec = 0; time->tv_nsec = 0; @@ -132,17 +181,29 @@ static size_t ramoops_write_kmsg_hdr(struct persistent_ram_zone *prz) return len; } -static int ramoops_pstore_write(enum pstore_type_id type, - enum kmsg_dump_reason reason, - u64 *id, - unsigned int part, - size_t size, struct pstore_info *psi) + +static int ramoops_pstore_write_buf(enum pstore_type_id type, + enum kmsg_dump_reason reason, + u64 *id, unsigned int part, + const char *buf, size_t size, + struct pstore_info *psi) { struct ramoops_context *cxt = psi->data; - struct persistent_ram_zone *prz = cxt->przs[cxt->count]; + struct persistent_ram_zone *prz = cxt->przs[cxt->dump_write_cnt]; size_t hlen; - /* Currently ramoops is designed to only store dmesg dumps. */ + if (type == PSTORE_TYPE_CONSOLE) { + if (!cxt->cprz) + return -ENOMEM; + persistent_ram_write(cxt->cprz, buf, size); + return 0; + } else if (type == PSTORE_TYPE_FTRACE) { + if (!cxt->fprz) + return -ENOMEM; + persistent_ram_write(cxt->fprz, buf, size); + return 0; + } + if (type != PSTORE_TYPE_DMESG) return -EINVAL; @@ -168,9 +229,9 @@ static int ramoops_pstore_write(enum pstore_type_id type, hlen = ramoops_write_kmsg_hdr(prz); if (size + hlen > prz->buffer_size) size = prz->buffer_size - hlen; - persistent_ram_write(prz, cxt->pstore.buf, size); + persistent_ram_write(prz, buf, size); - cxt->count = (cxt->count + 1) % cxt->max_count; + cxt->dump_write_cnt = (cxt->dump_write_cnt + 1) % cxt->max_dump_cnt; return 0; } @@ -179,11 +240,26 @@ static int ramoops_pstore_erase(enum pstore_type_id type, u64 id, struct pstore_info *psi) { struct ramoops_context *cxt = psi->data; + struct persistent_ram_zone *prz; - if (id >= cxt->max_count) + switch (type) { + case PSTORE_TYPE_DMESG: + if (id >= cxt->max_dump_cnt) + return -EINVAL; + prz = cxt->przs[id]; + break; + case PSTORE_TYPE_CONSOLE: + prz = cxt->cprz; + break; + case PSTORE_TYPE_FTRACE: + prz = cxt->fprz; + break; + default: return -EINVAL; + } - persistent_ram_free_old(cxt->przs[id]); + persistent_ram_free_old(prz); + persistent_ram_zap(prz); return 0; } @@ -194,78 +270,157 @@ static struct ramoops_context oops_cxt = { .name = "ramoops", .open = ramoops_pstore_open, .read = ramoops_pstore_read, - .write = ramoops_pstore_write, + .write_buf = ramoops_pstore_write_buf, .erase = ramoops_pstore_erase, }, }; -static int __init ramoops_probe(struct platform_device *pdev) +static void ramoops_free_przs(struct ramoops_context *cxt) +{ + int i; + + if (!cxt->przs) + return; + + for (i = 0; !IS_ERR_OR_NULL(cxt->przs[i]); i++) + persistent_ram_free(cxt->przs[i]); + kfree(cxt->przs); +} + +static int ramoops_init_przs(struct device *dev, struct ramoops_context *cxt, + phys_addr_t *paddr, size_t dump_mem_sz) +{ + int err = -ENOMEM; + int i; + + if (!cxt->record_size) + return 0; + + cxt->max_dump_cnt = dump_mem_sz / cxt->record_size; + if (!cxt->max_dump_cnt) + return -ENOMEM; + + cxt->przs = kzalloc(sizeof(*cxt->przs) * cxt->max_dump_cnt, + GFP_KERNEL); + if (!cxt->przs) { + dev_err(dev, "failed to initialize a prz array for dumps\n"); + return -ENOMEM; + } + + for (i = 0; i < cxt->max_dump_cnt; i++) { + size_t sz = cxt->record_size; + + cxt->przs[i] = persistent_ram_new(*paddr, sz, 0, cxt->ecc_size); + if (IS_ERR(cxt->przs[i])) { + err = PTR_ERR(cxt->przs[i]); + dev_err(dev, "failed to request mem region (0x%zx@0x%llx): %d\n", + sz, (unsigned long long)*paddr, err); + goto fail_prz; + } + *paddr += sz; + } + + return 0; +fail_prz: + ramoops_free_przs(cxt); + return err; +} + +static int ramoops_init_prz(struct device *dev, struct ramoops_context *cxt, + struct persistent_ram_zone **prz, + phys_addr_t *paddr, size_t sz, u32 sig) +{ + if (!sz) + return 0; + + if (*paddr + sz > *paddr + cxt->size) + return -ENOMEM; + + *prz = persistent_ram_new(*paddr, sz, sig, cxt->ecc_size); + if (IS_ERR(*prz)) { + int err = PTR_ERR(*prz); + + dev_err(dev, "failed to request mem region (0x%zx@0x%llx): %d\n", + sz, (unsigned long long)*paddr, err); + return err; + } + + persistent_ram_zap(*prz); + + *paddr += sz; + + return 0; +} + +static int __devinit ramoops_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ramoops_platform_data *pdata = pdev->dev.platform_data; struct ramoops_context *cxt = &oops_cxt; + size_t dump_mem_sz; + phys_addr_t paddr; int err = -EINVAL; - int i; /* Only a single ramoops area allowed at a time, so fail extra * probes. */ - if (cxt->max_count) + if (cxt->max_dump_cnt) goto fail_out; - if (!pdata->mem_size || !pdata->record_size) { - pr_err("The memory size and the record size must be " + if (!pdata->mem_size || (!pdata->record_size && !pdata->console_size && + !pdata->ftrace_size)) { + pr_err("The memory size and the record/console size must be " "non-zero\n"); goto fail_out; } pdata->mem_size = rounddown_pow_of_two(pdata->mem_size); pdata->record_size = rounddown_pow_of_two(pdata->record_size); + pdata->console_size = rounddown_pow_of_two(pdata->console_size); + pdata->ftrace_size = rounddown_pow_of_two(pdata->ftrace_size); - /* Check for the minimum memory size */ - if (pdata->mem_size < MIN_MEM_SIZE && - pdata->record_size < MIN_MEM_SIZE) { - pr_err("memory size too small, minimum is %lu\n", - MIN_MEM_SIZE); - goto fail_out; - } - - if (pdata->mem_size < pdata->record_size) { - pr_err("The memory size must be larger than the " - "records size\n"); - goto fail_out; - } - - cxt->max_count = pdata->mem_size / pdata->record_size; - cxt->count = 0; + cxt->dump_read_cnt = 0; cxt->size = pdata->mem_size; cxt->phys_addr = pdata->mem_address; cxt->record_size = pdata->record_size; + cxt->console_size = pdata->console_size; + cxt->ftrace_size = pdata->ftrace_size; cxt->dump_oops = pdata->dump_oops; - cxt->ecc = pdata->ecc; + cxt->ecc_size = pdata->ecc_size; - cxt->przs = kzalloc(sizeof(*cxt->przs) * cxt->max_count, GFP_KERNEL); - if (!cxt->przs) { - err = -ENOMEM; - dev_err(dev, "failed to initialize a prz array\n"); + paddr = cxt->phys_addr; + + dump_mem_sz = cxt->size - cxt->console_size - cxt->ftrace_size; + err = ramoops_init_przs(dev, cxt, &paddr, dump_mem_sz); + if (err) goto fail_out; - } - for (i = 0; i < cxt->max_count; i++) { - size_t sz = cxt->record_size; - phys_addr_t start = cxt->phys_addr + sz * i; + err = ramoops_init_prz(dev, cxt, &cxt->cprz, &paddr, + cxt->console_size, 0); + if (err) + goto fail_init_cprz; - cxt->przs[i] = persistent_ram_new(start, sz, cxt->ecc); - if (IS_ERR(cxt->przs[i])) { - err = PTR_ERR(cxt->przs[i]); - dev_err(dev, "failed to request mem region (0x%zx@0x%llx): %d\n", - sz, (unsigned long long)start, err); - goto fail_przs; - } + err = ramoops_init_prz(dev, cxt, &cxt->fprz, &paddr, cxt->ftrace_size, + LINUX_VERSION_CODE); + if (err) + goto fail_init_fprz; + + if (!cxt->przs && !cxt->cprz && !cxt->fprz) { + pr_err("memory size too small, minimum is %lu\n", + cxt->console_size + cxt->record_size + + cxt->ftrace_size); + goto fail_cnt; } cxt->pstore.data = cxt; - cxt->pstore.bufsize = cxt->przs[0]->buffer_size; + /* + * Console can handle any buffer size, so prefer dumps buffer + * size since usually it is smaller. + */ + if (cxt->przs) + cxt->pstore.bufsize = cxt->przs[0]->buffer_size; + else + cxt->pstore.bufsize = cxt->cprz->buffer_size; cxt->pstore.buf = kmalloc(cxt->pstore.bufsize, GFP_KERNEL); spin_lock_init(&cxt->pstore.buf_lock); if (!cxt->pstore.buf) { @@ -288,10 +443,9 @@ static int __init ramoops_probe(struct platform_device *pdev) record_size = pdata->record_size; dump_oops = pdata->dump_oops; - pr_info("attached 0x%lx@0x%llx (%ux0x%zx), ecc: %s\n", + pr_info("attached 0x%lx@0x%llx, ecc: %d\n", cxt->size, (unsigned long long)cxt->phys_addr, - cxt->max_count, cxt->record_size, - ramoops_ecc ? "on" : "off"); + cxt->ecc_size); return 0; @@ -299,11 +453,13 @@ fail_buf: kfree(cxt->pstore.buf); fail_clear: cxt->pstore.bufsize = 0; - cxt->max_count = 0; -fail_przs: - for (i = 0; cxt->przs[i]; i++) - persistent_ram_free(cxt->przs[i]); - kfree(cxt->przs); + cxt->max_dump_cnt = 0; +fail_cnt: + kfree(cxt->fprz); +fail_init_fprz: + kfree(cxt->cprz); +fail_init_cprz: + ramoops_free_przs(cxt); fail_out: return err; } @@ -318,7 +474,7 @@ static int __exit ramoops_remove(struct platform_device *pdev) iounmap(cxt->virt_addr); release_mem_region(cxt->phys_addr, cxt->size); - cxt->max_count = 0; + cxt->max_dump_cnt = 0; /* TODO(kees): When pstore supports unregistering, call it here. */ kfree(cxt->pstore.buf); @@ -330,6 +486,7 @@ static int __exit ramoops_remove(struct platform_device *pdev) } static struct platform_driver ramoops_driver = { + .probe = ramoops_probe, .remove = __exit_p(ramoops_remove), .driver = { .name = "ramoops", @@ -337,45 +494,51 @@ static struct platform_driver ramoops_driver = { }, }; -static int __init ramoops_init(void) +static void ramoops_register_dummy(void) { - int ret; - ret = platform_driver_probe(&ramoops_driver, ramoops_probe); - if (ret == -ENODEV) { - /* - * If we didn't find a platform device, we use module parameters - * building platform data on the fly. - */ - pr_info("platform device not found, using module parameters\n"); - dummy_data = kzalloc(sizeof(struct ramoops_platform_data), - GFP_KERNEL); - if (!dummy_data) - return -ENOMEM; - dummy_data->mem_size = mem_size; - dummy_data->mem_address = mem_address; - dummy_data->record_size = record_size; - dummy_data->dump_oops = dump_oops; - dummy_data->ecc = ramoops_ecc; - dummy = platform_create_bundle(&ramoops_driver, ramoops_probe, - NULL, 0, dummy_data, - sizeof(struct ramoops_platform_data)); - - if (IS_ERR(dummy)) - ret = PTR_ERR(dummy); - else - ret = 0; + if (!mem_size) + return; + + pr_info("using module parameters\n"); + + dummy_data = kzalloc(sizeof(*dummy_data), GFP_KERNEL); + if (!dummy_data) { + pr_info("could not allocate pdata\n"); + return; + } + + dummy_data->mem_size = mem_size; + dummy_data->mem_address = mem_address; + dummy_data->record_size = record_size; + dummy_data->console_size = ramoops_console_size; + dummy_data->ftrace_size = ramoops_ftrace_size; + dummy_data->dump_oops = dump_oops; + /* + * For backwards compatibility ramoops.ecc=1 means 16 bytes ECC + * (using 1 byte for ECC isn't much of use anyway). + */ + dummy_data->ecc_size = ramoops_ecc == 1 ? 16 : ramoops_ecc; + + dummy = platform_device_register_data(NULL, "ramoops", -1, + dummy_data, sizeof(struct ramoops_platform_data)); + if (IS_ERR(dummy)) { + pr_info("could not create platform device: %ld\n", + PTR_ERR(dummy)); } +} - return ret; +static int __init ramoops_init(void) +{ + ramoops_register_dummy(); + return platform_driver_register(&ramoops_driver); } +postcore_initcall(ramoops_init); static void __exit ramoops_exit(void) { platform_driver_unregister(&ramoops_driver); kfree(dummy_data); } - -module_init(ramoops_init); module_exit(ramoops_exit); MODULE_LICENSE("GPL"); diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c index 31f8d184f3a0..eecd2a8a84dd 100644 --- a/fs/pstore/ram_core.c +++ b/fs/pstore/ram_core.c @@ -35,8 +35,6 @@ struct persistent_ram_buffer { #define PERSISTENT_RAM_SIG (0x43474244) /* DBGC */ -static __initdata LIST_HEAD(persistent_ram_list); - static inline size_t buffer_size(struct persistent_ram_zone *prz) { return atomic_read(&prz->buffer->size); @@ -116,7 +114,7 @@ static void notrace persistent_ram_update_ecc(struct persistent_ram_zone *prz, int ecc_size = prz->ecc_size; int size = prz->ecc_block_size; - if (!prz->ecc) + if (!prz->ecc_size) return; block = buffer->data + (start & ~(ecc_block_size - 1)); @@ -135,7 +133,7 @@ static void persistent_ram_update_header_ecc(struct persistent_ram_zone *prz) { struct persistent_ram_buffer *buffer = prz->buffer; - if (!prz->ecc) + if (!prz->ecc_size) return; persistent_ram_encode_rs8(prz, (uint8_t *)buffer, sizeof(*buffer), @@ -148,7 +146,7 @@ static void persistent_ram_ecc_old(struct persistent_ram_zone *prz) uint8_t *block; uint8_t *par; - if (!prz->ecc) + if (!prz->ecc_size) return; block = buffer->data; @@ -174,29 +172,30 @@ static void persistent_ram_ecc_old(struct persistent_ram_zone *prz) } static int persistent_ram_init_ecc(struct persistent_ram_zone *prz, - size_t buffer_size) + int ecc_size) { int numerr; struct persistent_ram_buffer *buffer = prz->buffer; int ecc_blocks; + size_t ecc_total; + int ecc_symsize = 8; + int ecc_poly = 0x11d; - if (!prz->ecc) + if (!ecc_size) return 0; prz->ecc_block_size = 128; - prz->ecc_size = 16; - prz->ecc_symsize = 8; - prz->ecc_poly = 0x11d; + prz->ecc_size = ecc_size; ecc_blocks = DIV_ROUND_UP(prz->buffer_size, prz->ecc_block_size); - prz->buffer_size -= (ecc_blocks + 1) * prz->ecc_size; - - if (prz->buffer_size > buffer_size) { - pr_err("persistent_ram: invalid size %zu, non-ecc datasize %zu\n", - buffer_size, prz->buffer_size); + ecc_total = (ecc_blocks + 1) * prz->ecc_size; + if (ecc_total >= prz->buffer_size) { + pr_err("%s: invalid ecc_size %u (total %zu, buffer size %zu)\n", + __func__, prz->ecc_size, ecc_total, prz->buffer_size); return -EINVAL; } + prz->buffer_size -= ecc_total; prz->par_buffer = buffer->data + prz->buffer_size; prz->par_header = prz->par_buffer + ecc_blocks * prz->ecc_size; @@ -204,8 +203,7 @@ static int persistent_ram_init_ecc(struct persistent_ram_zone *prz, * first consecutive root is 0 * primitive element to generate roots = 1 */ - prz->rs_decoder = init_rs(prz->ecc_symsize, prz->ecc_poly, 0, 1, - prz->ecc_size); + prz->rs_decoder = init_rs(ecc_symsize, ecc_poly, 0, 1, prz->ecc_size); if (prz->rs_decoder == NULL) { pr_info("persistent_ram: init_rs failed\n"); return -EINVAL; @@ -250,23 +248,24 @@ static void notrace persistent_ram_update(struct persistent_ram_zone *prz, persistent_ram_update_ecc(prz, start, count); } -static void __init -persistent_ram_save_old(struct persistent_ram_zone *prz) +void persistent_ram_save_old(struct persistent_ram_zone *prz) { struct persistent_ram_buffer *buffer = prz->buffer; size_t size = buffer_size(prz); size_t start = buffer_start(prz); - char *dest; - persistent_ram_ecc_old(prz); + if (!size) + return; - dest = kmalloc(size, GFP_KERNEL); - if (dest == NULL) { + if (!prz->old_log) { + persistent_ram_ecc_old(prz); + prz->old_log = kmalloc(size, GFP_KERNEL); + } + if (!prz->old_log) { pr_err("persistent_ram: failed to allocate buffer\n"); return; } - prz->old_log = dest; prz->old_log_size = size; memcpy(prz->old_log, &buffer->data[start], size - start); memcpy(prz->old_log + size - start, &buffer->data[0], start); @@ -319,6 +318,13 @@ void persistent_ram_free_old(struct persistent_ram_zone *prz) prz->old_log_size = 0; } +void persistent_ram_zap(struct persistent_ram_zone *prz) +{ + atomic_set(&prz->buffer->start, 0); + atomic_set(&prz->buffer->size, 0); + persistent_ram_update_header_ecc(prz); +} + static void *persistent_ram_vmap(phys_addr_t start, size_t size) { struct page **pages; @@ -384,55 +390,62 @@ static int persistent_ram_buffer_map(phys_addr_t start, phys_addr_t size, return 0; } -static int __init persistent_ram_post_init(struct persistent_ram_zone *prz, bool ecc) +static int __devinit persistent_ram_post_init(struct persistent_ram_zone *prz, + u32 sig, int ecc_size) { int ret; - prz->ecc = ecc; - - ret = persistent_ram_init_ecc(prz, prz->buffer_size); + ret = persistent_ram_init_ecc(prz, ecc_size); if (ret) return ret; - if (prz->buffer->sig == PERSISTENT_RAM_SIG) { + sig ^= PERSISTENT_RAM_SIG; + + if (prz->buffer->sig == sig) { if (buffer_size(prz) > prz->buffer_size || buffer_start(prz) > buffer_size(prz)) pr_info("persistent_ram: found existing invalid buffer," " size %zu, start %zu\n", buffer_size(prz), buffer_start(prz)); else { - pr_info("persistent_ram: found existing buffer," + pr_debug("persistent_ram: found existing buffer," " size %zu, start %zu\n", buffer_size(prz), buffer_start(prz)); persistent_ram_save_old(prz); + return 0; } } else { - pr_info("persistent_ram: no valid data in buffer" + pr_debug("persistent_ram: no valid data in buffer" " (sig = 0x%08x)\n", prz->buffer->sig); } - prz->buffer->sig = PERSISTENT_RAM_SIG; - atomic_set(&prz->buffer->start, 0); - atomic_set(&prz->buffer->size, 0); + prz->buffer->sig = sig; + persistent_ram_zap(prz); return 0; } void persistent_ram_free(struct persistent_ram_zone *prz) { - if (pfn_valid(prz->paddr >> PAGE_SHIFT)) { - vunmap(prz->vaddr); - } else { - iounmap(prz->vaddr); - release_mem_region(prz->paddr, prz->size); + if (!prz) + return; + + if (prz->vaddr) { + if (pfn_valid(prz->paddr >> PAGE_SHIFT)) { + vunmap(prz->vaddr); + } else { + iounmap(prz->vaddr); + release_mem_region(prz->paddr, prz->size); + } + prz->vaddr = NULL; } persistent_ram_free_old(prz); kfree(prz); } -struct persistent_ram_zone * __init persistent_ram_new(phys_addr_t start, - size_t size, - bool ecc) +struct persistent_ram_zone * __devinit persistent_ram_new(phys_addr_t start, + size_t size, u32 sig, + int ecc_size) { struct persistent_ram_zone *prz; int ret = -ENOMEM; @@ -447,86 +460,12 @@ struct persistent_ram_zone * __init persistent_ram_new(phys_addr_t start, if (ret) goto err; - persistent_ram_post_init(prz, ecc); - persistent_ram_update_header_ecc(prz); - - return prz; -err: - kfree(prz); - return ERR_PTR(ret); -} - -#ifndef MODULE -static int __init persistent_ram_buffer_init(const char *name, - struct persistent_ram_zone *prz) -{ - int i; - struct persistent_ram *ram; - struct persistent_ram_descriptor *desc; - phys_addr_t start; - - list_for_each_entry(ram, &persistent_ram_list, node) { - start = ram->start; - for (i = 0; i < ram->num_descs; i++) { - desc = &ram->descs[i]; - if (!strcmp(desc->name, name)) - return persistent_ram_buffer_map(start, - desc->size, prz); - start += desc->size; - } - } - - return -EINVAL; -} - -static __init -struct persistent_ram_zone *__persistent_ram_init(struct device *dev, bool ecc) -{ - struct persistent_ram_zone *prz; - int ret = -ENOMEM; - - prz = kzalloc(sizeof(struct persistent_ram_zone), GFP_KERNEL); - if (!prz) { - pr_err("persistent_ram: failed to allocate persistent ram zone\n"); - goto err; - } - - ret = persistent_ram_buffer_init(dev_name(dev), prz); - if (ret) { - pr_err("persistent_ram: failed to initialize buffer\n"); + ret = persistent_ram_post_init(prz, sig, ecc_size); + if (ret) goto err; - } - - persistent_ram_post_init(prz, ecc); return prz; err: - kfree(prz); + persistent_ram_free(prz); return ERR_PTR(ret); } - -struct persistent_ram_zone * __init -persistent_ram_init_ringbuffer(struct device *dev, bool ecc) -{ - return __persistent_ram_init(dev, ecc); -} - -int __init persistent_ram_early_init(struct persistent_ram *ram) -{ - int ret; - - ret = memblock_reserve(ram->start, ram->size); - if (ret) { - pr_err("Failed to reserve persistent memory from %08lx-%08lx\n", - (long)ram->start, (long)(ram->start + ram->size - 1)); - return ret; - } - - list_add_tail(&ram->node, &persistent_ram_list); - - pr_info("Initialized persistent memory from %08lx-%08lx\n", - (long)ram->start, (long)(ram->start + ram->size - 1)); - - return 0; -} -#endif diff --git a/fs/qnx4/namei.c b/fs/qnx4/namei.c index a512c0b30e8e..d024505ba007 100644 --- a/fs/qnx4/namei.c +++ b/fs/qnx4/namei.c @@ -95,7 +95,7 @@ static struct buffer_head *qnx4_find_entry(int len, struct inode *dir, return NULL; } -struct dentry * qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) +struct dentry * qnx4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { int ino; struct qnx4_inode_entry *de; diff --git a/fs/qnx4/qnx4.h b/fs/qnx4/qnx4.h index 244d4620189b..34e2d329c97e 100644 --- a/fs/qnx4/qnx4.h +++ b/fs/qnx4/qnx4.h @@ -23,7 +23,7 @@ struct qnx4_inode_info { }; extern struct inode *qnx4_iget(struct super_block *, unsigned long); -extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd); +extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags); extern unsigned long qnx4_count_free_blocks(struct super_block *sb); extern unsigned long qnx4_block_map(struct inode *inode, long iblock); diff --git a/fs/qnx6/inode.c b/fs/qnx6/inode.c index e44012dc5645..2049c814bda4 100644 --- a/fs/qnx6/inode.c +++ b/fs/qnx6/inode.c @@ -622,7 +622,6 @@ static struct inode *qnx6_alloc_inode(struct super_block *sb) static void qnx6_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(qnx6_inode_cachep, QNX6_I(inode)); } diff --git a/fs/qnx6/namei.c b/fs/qnx6/namei.c index 8a97289e04ad..0561326a94f5 100644 --- a/fs/qnx6/namei.c +++ b/fs/qnx6/namei.c @@ -13,7 +13,7 @@ #include "qnx6.h" struct dentry *qnx6_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { unsigned ino; struct page *page; diff --git a/fs/qnx6/qnx6.h b/fs/qnx6/qnx6.h index 6c5e02a0b6a8..b00fcc960d37 100644 --- a/fs/qnx6/qnx6.h +++ b/fs/qnx6/qnx6.h @@ -45,7 +45,7 @@ struct qnx6_inode_info { extern struct inode *qnx6_iget(struct super_block *sb, unsigned ino); extern struct dentry *qnx6_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd); + unsigned int flags); #ifdef CONFIG_QNX6FS_DEBUG extern void qnx6_superblock_debug(struct qnx6_super_block *, diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 10cbe841cb7e..36a29b753c79 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -78,7 +78,7 @@ #include <linux/quotaops.h> #include "../internal.h" /* ugh */ -#include <asm/uaccess.h> +#include <linux/uaccess.h> /* * There are three quota SMP locks. dq_list_lock protects all lists with quotas @@ -595,12 +595,14 @@ out: } EXPORT_SYMBOL(dquot_scan_active); -int dquot_quota_sync(struct super_block *sb, int type, int wait) +/* Write all dquot structures to quota files */ +int dquot_writeback_dquots(struct super_block *sb, int type) { struct list_head *dirty; struct dquot *dquot; struct quota_info *dqopt = sb_dqopt(sb); int cnt; + int err, ret = 0; mutex_lock(&dqopt->dqonoff_mutex); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { @@ -624,7 +626,9 @@ int dquot_quota_sync(struct super_block *sb, int type, int wait) atomic_inc(&dquot->dq_count); spin_unlock(&dq_list_lock); dqstats_inc(DQST_LOOKUPS); - sb->dq_op->write_dquot(dquot); + err = sb->dq_op->write_dquot(dquot); + if (!ret && err) + err = ret; dqput(dquot); spin_lock(&dq_list_lock); } @@ -638,7 +642,21 @@ int dquot_quota_sync(struct super_block *sb, int type, int wait) dqstats_inc(DQST_SYNCS); mutex_unlock(&dqopt->dqonoff_mutex); - if (!wait || (dqopt->flags & DQUOT_QUOTA_SYS_FILE)) + return ret; +} +EXPORT_SYMBOL(dquot_writeback_dquots); + +/* Write all dquot structures to disk and make them visible from userspace */ +int dquot_quota_sync(struct super_block *sb, int type) +{ + struct quota_info *dqopt = sb_dqopt(sb); + int cnt; + int ret; + + ret = dquot_writeback_dquots(sb, type); + if (ret) + return ret; + if (dqopt->flags & DQUOT_QUOTA_SYS_FILE) return 0; /* This is not very clever (and fast) but currently I don't know about diff --git a/fs/quota/quota.c b/fs/quota/quota.c index 9a391204ca27..6f155788cbc6 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -9,7 +9,7 @@ #include <linux/namei.h> #include <linux/slab.h> #include <asm/current.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/kernel.h> #include <linux/security.h> #include <linux/syscalls.h> @@ -47,7 +47,7 @@ static int check_quotactl_permission(struct super_block *sb, int type, int cmd, static void quota_sync_one(struct super_block *sb, void *arg) { if (sb->s_qcop && sb->s_qcop->quota_sync) - sb->s_qcop->quota_sync(sb, *(int *)arg, 1); + sb->s_qcop->quota_sync(sb, *(int *)arg); } static int quota_sync_all(int type) @@ -270,7 +270,7 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, case Q_SYNC: if (!sb->s_qcop->quota_sync) return -ENOSYS; - return sb->s_qcop->quota_sync(sb, type, 1); + return sb->s_qcop->quota_sync(sb, type); case Q_XQUOTAON: case Q_XQUOTAOFF: case Q_XQUOTARM: diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index fbb0b478a346..d5378d028589 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -110,6 +110,7 @@ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize) /* prevent the page from being discarded on memory pressure */ SetPageDirty(page); + SetPageUptodate(page); unlock_page(page); put_page(page); diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index a1fdabe21dec..eab8c09d3801 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -114,7 +114,7 @@ static int ramfs_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode) return retval; } -static int ramfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) +static int ramfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { return ramfs_mknod(dir, dentry, mode | S_IFREG, 0); } diff --git a/fs/read_write.c b/fs/read_write.c index c20614f86c01..1adfb691e4f1 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -55,10 +55,11 @@ static loff_t lseek_execute(struct file *file, struct inode *inode, * @file: file structure to seek on * @offset: file offset to seek to * @origin: type of seek - * @size: max size of file system + * @size: max size of this file in file system + * @eof: offset used for SEEK_END position * * This is a variant of generic_file_llseek that allows passing in a custom - * file size. + * maximum file size and a custom EOF position, for e.g. hashed directories * * Synchronization: * SEEK_SET and SEEK_END are unsynchronized (but atomic on 64bit platforms) @@ -67,13 +68,13 @@ static loff_t lseek_execute(struct file *file, struct inode *inode, */ loff_t generic_file_llseek_size(struct file *file, loff_t offset, int origin, - loff_t maxsize) + loff_t maxsize, loff_t eof) { struct inode *inode = file->f_mapping->host; switch (origin) { case SEEK_END: - offset += i_size_read(inode); + offset += eof; break; case SEEK_CUR: /* @@ -99,7 +100,7 @@ generic_file_llseek_size(struct file *file, loff_t offset, int origin, * In the generic case the entire file is data, so as long as * offset isn't at the end of the file then the offset is data. */ - if (offset >= i_size_read(inode)) + if (offset >= eof) return -ENXIO; break; case SEEK_HOLE: @@ -107,9 +108,9 @@ generic_file_llseek_size(struct file *file, loff_t offset, int origin, * There is a virtual hole at the end of the file, so as long as * offset isn't i_size or larger, return i_size. */ - if (offset >= i_size_read(inode)) + if (offset >= eof) return -ENXIO; - offset = i_size_read(inode); + offset = eof; break; } @@ -132,7 +133,8 @@ loff_t generic_file_llseek(struct file *file, loff_t offset, int origin) struct inode *inode = file->f_mapping->host; return generic_file_llseek_size(file, offset, origin, - inode->i_sb->s_maxbytes); + inode->i_sb->s_maxbytes, + i_size_read(inode)); } EXPORT_SYMBOL(generic_file_llseek); diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c index 84e8a69cee9d..8567fb847601 100644 --- a/fs/reiserfs/namei.c +++ b/fs/reiserfs/namei.c @@ -322,7 +322,7 @@ static int reiserfs_find_entry(struct inode *dir, const char *name, int namelen, } static struct dentry *reiserfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { int retval; int lock_depth; @@ -573,7 +573,7 @@ static int new_inode_init(struct inode *inode, struct inode *dir, umode_t mode) } static int reiserfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { int retval; struct inode *inode; @@ -634,8 +634,8 @@ static int reiserfs_create(struct inode *dir, struct dentry *dentry, umode_t mod reiserfs_update_inode_transaction(inode); reiserfs_update_inode_transaction(dir); - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); retval = journal_end(&th, dir->i_sb, jbegin_count); out_failed: @@ -712,8 +712,8 @@ static int reiserfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode goto out_failed; } - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); retval = journal_end(&th, dir->i_sb, jbegin_count); out_failed: @@ -800,8 +800,8 @@ static int reiserfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode // the above add_entry did not update dir's stat data reiserfs_update_sd(&th, dir); - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); retval = journal_end(&th, dir->i_sb, jbegin_count); out_failed: reiserfs_write_unlock_once(dir->i_sb, lock_depth); @@ -1096,8 +1096,8 @@ static int reiserfs_symlink(struct inode *parent_dir, goto out_failed; } - d_instantiate(dentry, inode); unlock_new_inode(inode); + d_instantiate(dentry, inode); retval = journal_end(&th, parent_dir->i_sb, jbegin_count); out_failed: reiserfs_write_unlock(parent_dir->i_sb); diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c index 2c1ade692cc8..e60e87035bb3 100644 --- a/fs/reiserfs/procfs.c +++ b/fs/reiserfs/procfs.c @@ -403,7 +403,7 @@ static void *r_start(struct seq_file *m, loff_t * pos) if (l) return NULL; - if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, s))) + if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, 0, s))) return NULL; up_write(&s->s_umount); diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 651ce767b55d..7a37dabf5a96 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -68,6 +68,11 @@ static int reiserfs_sync_fs(struct super_block *s, int wait) { struct reiserfs_transaction_handle th; + /* + * Writeback quota in non-journalled quota case - journalled quota has + * no dirty dquots + */ + dquot_writeback_dquots(s, -1); reiserfs_write_lock(s); if (!journal_begin(&th, s, 1)) if (!journal_end_sync(&th, s, 1)) diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index 46fc1c20a6b1..d319963aeb11 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -62,7 +62,7 @@ static int xattr_create(struct inode *dir, struct dentry *dentry, int mode) { BUG_ON(!mutex_is_locked(&dir->i_mutex)); - return dir->i_op->create(dir, dentry, mode, NULL); + return dir->i_op->create(dir, dentry, mode, true); } #endif @@ -942,7 +942,7 @@ int reiserfs_permission(struct inode *inode, int mask) return generic_permission(inode, mask); } -static int xattr_hide_revalidate(struct dentry *dentry, struct nameidata *nd) +static int xattr_hide_revalidate(struct dentry *dentry, unsigned int flags) { return -EPERM; } diff --git a/fs/romfs/super.c b/fs/romfs/super.c index e64f6b5f7ae5..77c5f2173983 100644 --- a/fs/romfs/super.c +++ b/fs/romfs/super.c @@ -210,7 +210,7 @@ out: * look up an entry in a directory */ static struct dentry *romfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { unsigned long offset, maxoff; struct inode *inode; diff --git a/fs/select.c b/fs/select.c index bae321569dfa..db14c781335e 100644 --- a/fs/select.c +++ b/fs/select.c @@ -345,8 +345,8 @@ static int max_select_fd(unsigned long n, fd_set_bits *fds) struct fdtable *fdt; /* handle last in-complete long-word first */ - set = ~(~0UL << (n & (__NFDBITS-1))); - n /= __NFDBITS; + set = ~(~0UL << (n & (BITS_PER_LONG-1))); + n /= BITS_PER_LONG; fdt = files_fdtable(current->files); open_fds = fdt->open_fds + n; max = 0; @@ -373,7 +373,7 @@ get_max: max++; set >>= 1; } while (set); - max += n * __NFDBITS; + max += n * BITS_PER_LONG; } return max; @@ -435,11 +435,11 @@ int do_select(int n, fd_set_bits *fds, struct timespec *end_time) in = *inp++; out = *outp++; ex = *exp++; all_bits = in | out | ex; if (all_bits == 0) { - i += __NFDBITS; + i += BITS_PER_LONG; continue; } - for (j = 0; j < __NFDBITS; ++j, ++i, bit <<= 1) { + for (j = 0; j < BITS_PER_LONG; ++j, ++i, bit <<= 1) { int fput_needed; if (i >= n) break; diff --git a/fs/seq_file.c b/fs/seq_file.c index 0cbd0494b79e..14cf9de1dbe1 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -385,15 +385,12 @@ int seq_escape(struct seq_file *m, const char *s, const char *esc) } EXPORT_SYMBOL(seq_escape); -int seq_printf(struct seq_file *m, const char *f, ...) +int seq_vprintf(struct seq_file *m, const char *f, va_list args) { - va_list args; int len; if (m->count < m->size) { - va_start(args, f); len = vsnprintf(m->buf + m->count, m->size - m->count, f, args); - va_end(args); if (m->count + len < m->size) { m->count += len; return 0; @@ -402,6 +399,19 @@ int seq_printf(struct seq_file *m, const char *f, ...) seq_set_overflow(m); return -1; } +EXPORT_SYMBOL(seq_vprintf); + +int seq_printf(struct seq_file *m, const char *f, ...) +{ + int ret; + va_list args; + + va_start(args, f); + ret = seq_vprintf(m, f, args); + va_end(args); + + return ret; +} EXPORT_SYMBOL(seq_printf); /** diff --git a/fs/splice.c b/fs/splice.c index c9f1318a3b82..7bf08fa22ec9 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -273,13 +273,16 @@ void spd_release_page(struct splice_pipe_desc *spd, unsigned int i) * Check if we need to grow the arrays holding pages and partial page * descriptions. */ -int splice_grow_spd(struct pipe_inode_info *pipe, struct splice_pipe_desc *spd) +int splice_grow_spd(const struct pipe_inode_info *pipe, struct splice_pipe_desc *spd) { - if (pipe->buffers <= PIPE_DEF_BUFFERS) + unsigned int buffers = ACCESS_ONCE(pipe->buffers); + + spd->nr_pages_max = buffers; + if (buffers <= PIPE_DEF_BUFFERS) return 0; - spd->pages = kmalloc(pipe->buffers * sizeof(struct page *), GFP_KERNEL); - spd->partial = kmalloc(pipe->buffers * sizeof(struct partial_page), GFP_KERNEL); + spd->pages = kmalloc(buffers * sizeof(struct page *), GFP_KERNEL); + spd->partial = kmalloc(buffers * sizeof(struct partial_page), GFP_KERNEL); if (spd->pages && spd->partial) return 0; @@ -289,10 +292,9 @@ int splice_grow_spd(struct pipe_inode_info *pipe, struct splice_pipe_desc *spd) return -ENOMEM; } -void splice_shrink_spd(struct pipe_inode_info *pipe, - struct splice_pipe_desc *spd) +void splice_shrink_spd(struct splice_pipe_desc *spd) { - if (pipe->buffers <= PIPE_DEF_BUFFERS) + if (spd->nr_pages_max <= PIPE_DEF_BUFFERS) return; kfree(spd->pages); @@ -315,6 +317,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, struct splice_pipe_desc spd = { .pages = pages, .partial = partial, + .nr_pages_max = PIPE_DEF_BUFFERS, .flags = flags, .ops = &page_cache_pipe_buf_ops, .spd_release = spd_release_page, @@ -326,7 +329,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, index = *ppos >> PAGE_CACHE_SHIFT; loff = *ppos & ~PAGE_CACHE_MASK; req_pages = (len + loff + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - nr_pages = min(req_pages, pipe->buffers); + nr_pages = min(req_pages, spd.nr_pages_max); /* * Lookup the (hopefully) full range of pages we need. @@ -497,7 +500,7 @@ fill_it: if (spd.nr_pages) error = splice_to_pipe(pipe, &spd); - splice_shrink_spd(pipe, &spd); + splice_shrink_spd(&spd); return error; } @@ -598,6 +601,7 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos, struct splice_pipe_desc spd = { .pages = pages, .partial = partial, + .nr_pages_max = PIPE_DEF_BUFFERS, .flags = flags, .ops = &default_pipe_buf_ops, .spd_release = spd_release_page, @@ -608,8 +612,8 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos, res = -ENOMEM; vec = __vec; - if (pipe->buffers > PIPE_DEF_BUFFERS) { - vec = kmalloc(pipe->buffers * sizeof(struct iovec), GFP_KERNEL); + if (spd.nr_pages_max > PIPE_DEF_BUFFERS) { + vec = kmalloc(spd.nr_pages_max * sizeof(struct iovec), GFP_KERNEL); if (!vec) goto shrink_ret; } @@ -617,7 +621,7 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos, offset = *ppos & ~PAGE_CACHE_MASK; nr_pages = (len + offset + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - for (i = 0; i < nr_pages && i < pipe->buffers && len; i++) { + for (i = 0; i < nr_pages && i < spd.nr_pages_max && len; i++) { struct page *page; page = alloc_page(GFP_USER); @@ -665,7 +669,7 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos, shrink_ret: if (vec != __vec) kfree(vec); - splice_shrink_spd(pipe, &spd); + splice_shrink_spd(&spd); return res; err: @@ -1614,6 +1618,7 @@ static long vmsplice_to_pipe(struct file *file, const struct iovec __user *iov, struct splice_pipe_desc spd = { .pages = pages, .partial = partial, + .nr_pages_max = PIPE_DEF_BUFFERS, .flags = flags, .ops = &user_page_pipe_buf_ops, .spd_release = spd_release_page, @@ -1629,13 +1634,13 @@ static long vmsplice_to_pipe(struct file *file, const struct iovec __user *iov, spd.nr_pages = get_iovec_page_array(iov, nr_segs, spd.pages, spd.partial, false, - pipe->buffers); + spd.nr_pages_max); if (spd.nr_pages <= 0) ret = spd.nr_pages; else ret = splice_to_pipe(pipe, &spd); - splice_shrink_spd(pipe, &spd); + splice_shrink_spd(&spd); return ret; } diff --git a/fs/squashfs/namei.c b/fs/squashfs/namei.c index abcc58f3c152..7834a517f7f4 100644 --- a/fs/squashfs/namei.c +++ b/fs/squashfs/namei.c @@ -134,7 +134,7 @@ out: static struct dentry *squashfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { const unsigned char *name = dentry->d_name.name; int len = dentry->d_name.len; diff --git a/fs/super.c b/fs/super.c index cf001775617f..c743fb3be4b8 100644 --- a/fs/super.c +++ b/fs/super.c @@ -105,11 +105,12 @@ static int prune_super(struct shrinker *shrink, struct shrink_control *sc) /** * alloc_super - create new superblock * @type: filesystem type superblock should belong to + * @flags: the mount flags * * Allocates and initializes a new &struct super_block. alloc_super() * returns a pointer new superblock or %NULL if allocation had failed. */ -static struct super_block *alloc_super(struct file_system_type *type) +static struct super_block *alloc_super(struct file_system_type *type, int flags) { struct super_block *s = kzalloc(sizeof(struct super_block), GFP_USER); static const struct super_operations default_op; @@ -136,6 +137,7 @@ static struct super_block *alloc_super(struct file_system_type *type) #else INIT_LIST_HEAD(&s->s_files); #endif + s->s_flags = flags; s->s_bdi = &default_backing_dev_info; INIT_HLIST_NODE(&s->s_instances); INIT_HLIST_BL_HEAD(&s->s_anon); @@ -415,11 +417,13 @@ EXPORT_SYMBOL(generic_shutdown_super); * @type: filesystem type superblock should belong to * @test: comparison callback * @set: setup callback + * @flags: mount flags * @data: argument to each of them */ struct super_block *sget(struct file_system_type *type, int (*test)(struct super_block *,void *), int (*set)(struct super_block *,void *), + int flags, void *data) { struct super_block *s = NULL; @@ -450,7 +454,7 @@ retry: } if (!s) { spin_unlock(&sb_lock); - s = alloc_super(type); + s = alloc_super(type, flags); if (!s) return ERR_PTR(-ENOMEM); goto retry; @@ -925,13 +929,12 @@ struct dentry *mount_ns(struct file_system_type *fs_type, int flags, { struct super_block *sb; - sb = sget(fs_type, ns_test_super, ns_set_super, data); + sb = sget(fs_type, ns_test_super, ns_set_super, flags, data); if (IS_ERR(sb)) return ERR_CAST(sb); if (!sb->s_root) { int err; - sb->s_flags = flags; err = fill_super(sb, data, flags & MS_SILENT ? 1 : 0); if (err) { deactivate_locked_super(sb); @@ -992,7 +995,8 @@ struct dentry *mount_bdev(struct file_system_type *fs_type, error = -EBUSY; goto error_bdev; } - s = sget(fs_type, test_bdev_super, set_bdev_super, bdev); + s = sget(fs_type, test_bdev_super, set_bdev_super, flags | MS_NOSEC, + bdev); mutex_unlock(&bdev->bd_fsfreeze_mutex); if (IS_ERR(s)) goto error_s; @@ -1017,7 +1021,6 @@ struct dentry *mount_bdev(struct file_system_type *fs_type, } else { char b[BDEVNAME_SIZE]; - s->s_flags = flags | MS_NOSEC; s->s_mode = mode; strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id)); sb_set_blocksize(s, block_size(bdev)); @@ -1062,13 +1065,11 @@ struct dentry *mount_nodev(struct file_system_type *fs_type, int (*fill_super)(struct super_block *, void *, int)) { int error; - struct super_block *s = sget(fs_type, NULL, set_anon_super, NULL); + struct super_block *s = sget(fs_type, NULL, set_anon_super, flags, NULL); if (IS_ERR(s)) return ERR_CAST(s); - s->s_flags = flags; - error = fill_super(s, data, flags & MS_SILENT ? 1 : 0); if (error) { deactivate_locked_super(s); @@ -1091,11 +1092,10 @@ struct dentry *mount_single(struct file_system_type *fs_type, struct super_block *s; int error; - s = sget(fs_type, compare_single, set_anon_super, NULL); + s = sget(fs_type, compare_single, set_anon_super, flags, NULL); if (IS_ERR(s)) return ERR_CAST(s); if (!s->s_root) { - s->s_flags = flags; error = fill_super(s, data, flags & MS_SILENT ? 1 : 0); if (error) { deactivate_locked_super(s); diff --git a/fs/sync.c b/fs/sync.c index 11e3d1c44901..eb8722dc556f 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -29,16 +29,6 @@ */ static int __sync_filesystem(struct super_block *sb, int wait) { - /* - * This should be safe, as we require bdi backing to actually - * write out data in the first place - */ - if (sb->s_bdi == &noop_backing_dev_info) - return 0; - - if (sb->s_qcop && sb->s_qcop->quota_sync) - sb->s_qcop->quota_sync(sb, -1, wait); - if (wait) sync_inodes_sb(sb); else @@ -77,29 +67,48 @@ int sync_filesystem(struct super_block *sb) } EXPORT_SYMBOL_GPL(sync_filesystem); -static void sync_one_sb(struct super_block *sb, void *arg) +static void sync_inodes_one_sb(struct super_block *sb, void *arg) { if (!(sb->s_flags & MS_RDONLY)) - __sync_filesystem(sb, *(int *)arg); + sync_inodes_sb(sb); } -/* - * Sync all the data for all the filesystems (called by sys_sync() and - * emergency sync) - */ -static void sync_filesystems(int wait) + +static void sync_fs_one_sb(struct super_block *sb, void *arg) { - iterate_supers(sync_one_sb, &wait); + if (!(sb->s_flags & MS_RDONLY) && sb->s_op->sync_fs) + sb->s_op->sync_fs(sb, *(int *)arg); +} + +static void fdatawrite_one_bdev(struct block_device *bdev, void *arg) +{ + filemap_fdatawrite(bdev->bd_inode->i_mapping); +} + +static void fdatawait_one_bdev(struct block_device *bdev, void *arg) +{ + filemap_fdatawait(bdev->bd_inode->i_mapping); } /* - * sync everything. Start out by waking pdflush, because that writes back - * all queues in parallel. + * Sync everything. We start by waking flusher threads so that most of + * writeback runs on all devices in parallel. Then we sync all inodes reliably + * which effectively also waits for all flusher threads to finish doing + * writeback. At this point all data is on disk so metadata should be stable + * and we tell filesystems to sync their metadata via ->sync_fs() calls. + * Finally, we writeout all block devices because some filesystems (e.g. ext2) + * just write metadata (such as inodes or bitmaps) to block device page cache + * and do not sync it on their own in ->sync_fs(). */ SYSCALL_DEFINE0(sync) { + int nowait = 0, wait = 1; + wakeup_flusher_threads(0, WB_REASON_SYNC); - sync_filesystems(0); - sync_filesystems(1); + iterate_supers(sync_inodes_one_sb, NULL); + iterate_supers(sync_fs_one_sb, &nowait); + iterate_supers(sync_fs_one_sb, &wait); + iterate_bdevs(fdatawrite_one_bdev, NULL); + iterate_bdevs(fdatawait_one_bdev, NULL); if (unlikely(laptop_mode)) laptop_sync_completion(); return 0; @@ -107,12 +116,18 @@ SYSCALL_DEFINE0(sync) static void do_sync_work(struct work_struct *work) { + int nowait = 0; + /* * Sync twice to reduce the possibility we skipped some inodes / pages * because they were temporarily locked */ - sync_filesystems(0); - sync_filesystems(0); + iterate_supers(sync_inodes_one_sb, &nowait); + iterate_supers(sync_fs_one_sb, &nowait); + iterate_bdevs(fdatawrite_one_bdev, NULL); + iterate_supers(sync_inodes_one_sb, &nowait); + iterate_supers(sync_fs_one_sb, &nowait); + iterate_bdevs(fdatawrite_one_bdev, NULL); printk("Emergency Sync complete\n"); kfree(work); } diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index e6bb9b2a4cbe..6b0bb00d4d2b 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -300,15 +300,16 @@ void release_sysfs_dirent(struct sysfs_dirent * sd) static int sysfs_dentry_delete(const struct dentry *dentry) { struct sysfs_dirent *sd = dentry->d_fsdata; - return !!(sd->s_flags & SYSFS_FLAG_REMOVED); + return !(sd && !(sd->s_flags & SYSFS_FLAG_REMOVED)); } -static int sysfs_dentry_revalidate(struct dentry *dentry, struct nameidata *nd) +static int sysfs_dentry_revalidate(struct dentry *dentry, unsigned int flags) { struct sysfs_dirent *sd; int is_dir; + int type; - if (nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; sd = dentry->d_fsdata; @@ -326,6 +327,15 @@ static int sysfs_dentry_revalidate(struct dentry *dentry, struct nameidata *nd) if (strcmp(dentry->d_name.name, sd->s_name) != 0) goto out_bad; + /* The sysfs dirent has been moved to a different namespace */ + type = KOBJ_NS_TYPE_NONE; + if (sd->s_parent) { + type = sysfs_ns_type(sd->s_parent); + if (type != KOBJ_NS_TYPE_NONE && + sysfs_info(dentry->d_sb)->ns[type] != sd->s_ns) + goto out_bad; + } + mutex_unlock(&sysfs_mutex); out_valid: return 1; @@ -355,18 +365,15 @@ out_bad: return 0; } -static void sysfs_dentry_iput(struct dentry *dentry, struct inode *inode) +static void sysfs_dentry_release(struct dentry *dentry) { - struct sysfs_dirent * sd = dentry->d_fsdata; - - sysfs_put(sd); - iput(inode); + sysfs_put(dentry->d_fsdata); } -static const struct dentry_operations sysfs_dentry_ops = { +const struct dentry_operations sysfs_dentry_ops = { .d_revalidate = sysfs_dentry_revalidate, .d_delete = sysfs_dentry_delete, - .d_iput = sysfs_dentry_iput, + .d_release = sysfs_dentry_release, }; struct sysfs_dirent *sysfs_new_dirent(const char *name, umode_t mode, int type) @@ -764,7 +771,7 @@ int sysfs_create_dir(struct kobject * kobj) } static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct dentry *ret = NULL; struct dentry *parent = dentry->d_parent; @@ -786,6 +793,7 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry, ret = ERR_PTR(-ENOENT); goto out_unlock; } + dentry->d_fsdata = sysfs_get(sd); /* attach dentry and inode */ inode = sysfs_get_inode(dir->i_sb, sd); @@ -795,16 +803,7 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry, } /* instantiate and hash dentry */ - ret = d_find_alias(inode); - if (!ret) { - d_set_d_op(dentry, &sysfs_dentry_ops); - dentry->d_fsdata = sysfs_get(sd); - d_add(dentry, inode); - } else { - d_move(ret, dentry); - iput(inode); - } - + ret = d_materialise_unique(dentry, inode); out_unlock: mutex_unlock(&sysfs_mutex); return ret; diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index 52c3bdb66a84..71eb7e253927 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -68,6 +68,7 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent) } root->d_fsdata = &sysfs_root; sb->s_root = root; + sb->s_d_op = &sysfs_dentry_ops; return 0; } @@ -117,13 +118,12 @@ static struct dentry *sysfs_mount(struct file_system_type *fs_type, for (type = KOBJ_NS_TYPE_NONE; type < KOBJ_NS_TYPES; type++) info->ns[type] = kobj_ns_grab_current(type); - sb = sget(fs_type, sysfs_test_super, sysfs_set_super, info); + sb = sget(fs_type, sysfs_test_super, sysfs_set_super, flags, info); if (IS_ERR(sb) || sb->s_fs_info != info) free_sysfs_super_info(info); if (IS_ERR(sb)) return ERR_CAST(sb); if (!sb->s_root) { - sb->s_flags = flags; error = sysfs_fill_super(sb, data, flags & MS_SILENT ? 1 : 0); if (error) { deactivate_locked_super(sb); diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index 661a9639570b..d73c0932bbd6 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -157,6 +157,7 @@ extern struct kmem_cache *sysfs_dir_cachep; */ extern struct mutex sysfs_mutex; extern spinlock_t sysfs_assoc_lock; +extern const struct dentry_operations sysfs_dentry_ops; extern const struct file_operations sysfs_dir_operations; extern const struct inode_operations sysfs_dir_inode_operations; diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 08d0b2568cd3..80e1e2b18df1 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -43,7 +43,6 @@ static int sysv_sync_fs(struct super_block *sb, int wait) * then attach current time stamp. * But if the filesystem was marked clean, keep it clean. */ - sb->s_dirt = 0; old_time = fs32_to_cpu(sbi, *sbi->s_sb_time); if (sbi->s_type == FSTYPE_SYSV4) { if (*sbi->s_sb_state == cpu_to_fs32(sbi, 0x7c269d38 - old_time)) @@ -57,23 +56,12 @@ static int sysv_sync_fs(struct super_block *sb, int wait) return 0; } -static void sysv_write_super(struct super_block *sb) -{ - if (!(sb->s_flags & MS_RDONLY)) - sysv_sync_fs(sb, 1); - else - sb->s_dirt = 0; -} - static int sysv_remount(struct super_block *sb, int *flags, char *data) { struct sysv_sb_info *sbi = SYSV_SB(sb); - lock_super(sb); + if (sbi->s_forced_ro) *flags |= MS_RDONLY; - if (*flags & MS_RDONLY) - sysv_write_super(sb); - unlock_super(sb); return 0; } @@ -81,9 +69,6 @@ static void sysv_put_super(struct super_block *sb) { struct sysv_sb_info *sbi = SYSV_SB(sb); - if (sb->s_dirt) - sysv_write_super(sb); - if (!(sb->s_flags & MS_RDONLY)) { /* XXX ext2 also updates the state here */ mark_buffer_dirty(sbi->s_bh1); @@ -357,7 +342,6 @@ const struct super_operations sysv_sops = { .write_inode = sysv_write_inode, .evict_inode = sysv_evict_inode, .put_super = sysv_put_super, - .write_super = sysv_write_super, .sync_fs = sysv_sync_fs, .remount_fs = sysv_remount, .statfs = sysv_statfs, diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index d7466e293614..1c0d5f264767 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -43,7 +43,7 @@ const struct dentry_operations sysv_dentry_operations = { .d_hash = sysv_hash, }; -static struct dentry *sysv_lookup(struct inode * dir, struct dentry * dentry, struct nameidata *nd) +static struct dentry *sysv_lookup(struct inode * dir, struct dentry * dentry, unsigned int flags) { struct inode * inode = NULL; ino_t ino; @@ -80,7 +80,7 @@ static int sysv_mknod(struct inode * dir, struct dentry * dentry, umode_t mode, return err; } -static int sysv_create(struct inode * dir, struct dentry * dentry, umode_t mode, struct nameidata *nd) +static int sysv_create(struct inode * dir, struct dentry * dentry, umode_t mode, bool excl) { return sysv_mknod(dir, dentry, mode, 0); } diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h index 11b07672f6c5..0bc35fdc58e2 100644 --- a/fs/sysv/sysv.h +++ b/fs/sysv/sysv.h @@ -117,7 +117,6 @@ static inline void dirty_sb(struct super_block *sb) mark_buffer_dirty(sbi->s_bh1); if (sbi->s_bh1 != sbi->s_bh2) mark_buffer_dirty(sbi->s_bh2); - sb->s_dirt = 1; } diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index 685a83756b2b..bb3167257aab 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -2802,6 +2802,8 @@ static ssize_t dfs_file_read(struct file *file, char __user *u, size_t count, val = d->chk_fs; else if (dent == d->dfs_tst_rcvry) val = d->tst_rcvry; + else if (dent == d->dfs_ro_error) + val = c->ro_error; else return -EINVAL; @@ -2885,6 +2887,8 @@ static ssize_t dfs_file_write(struct file *file, const char __user *u, d->chk_fs = val; else if (dent == d->dfs_tst_rcvry) d->tst_rcvry = val; + else if (dent == d->dfs_ro_error) + c->ro_error = !!val; else return -EINVAL; @@ -2918,6 +2922,9 @@ int dbg_debugfs_init_fs(struct ubifs_info *c) struct dentry *dent; struct ubifs_debug_info *d = c->dbg; + if (!IS_ENABLED(CONFIG_DEBUG_FS)) + return 0; + n = snprintf(d->dfs_dir_name, UBIFS_DFS_DIR_LEN + 1, UBIFS_DFS_DIR_NAME, c->vi.ubi_num, c->vi.vol_id); if (n == UBIFS_DFS_DIR_LEN) { @@ -2993,6 +3000,13 @@ int dbg_debugfs_init_fs(struct ubifs_info *c) goto out_remove; d->dfs_tst_rcvry = dent; + fname = "ro_error"; + dent = debugfs_create_file(fname, S_IRUSR | S_IWUSR, d->dfs_dir, c, + &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + d->dfs_ro_error = dent; + return 0; out_remove: @@ -3010,7 +3024,8 @@ out: */ void dbg_debugfs_exit_fs(struct ubifs_info *c) { - debugfs_remove_recursive(c->dbg->dfs_dir); + if (IS_ENABLED(CONFIG_DEBUG_FS)) + debugfs_remove_recursive(c->dbg->dfs_dir); } struct ubifs_global_debug_info ubifs_dbg; @@ -3095,6 +3110,9 @@ int dbg_debugfs_init(void) const char *fname; struct dentry *dent; + if (!IS_ENABLED(CONFIG_DEBUG_FS)) + return 0; + fname = "ubifs"; dent = debugfs_create_dir(fname, NULL); if (IS_ERR_OR_NULL(dent)) @@ -3159,7 +3177,8 @@ out: */ void dbg_debugfs_exit(void) { - debugfs_remove_recursive(dfs_rootdir); + if (IS_ENABLED(CONFIG_DEBUG_FS)) + debugfs_remove_recursive(dfs_rootdir); } /** diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h index 486a8e024fb6..8b8cc4e945f4 100644 --- a/fs/ubifs/debug.h +++ b/fs/ubifs/debug.h @@ -79,6 +79,10 @@ typedef int (*dbg_znode_callback)(struct ubifs_info *c, * @dfs_chk_lprops: debugfs knob to enable UBIFS LEP properties extra checks * @dfs_chk_fs: debugfs knob to enable UBIFS contents extra checks * @dfs_tst_rcvry: debugfs knob to enable UBIFS recovery testing + * @dfs_ro_error: debugfs knob to switch UBIFS to R/O mode (different to + * re-mounting to R/O mode because it does not flush any buffers + * and UBIFS just starts returning -EROFS on all write + * operations) */ struct ubifs_debug_info { struct ubifs_zbranch old_zroot; @@ -122,6 +126,7 @@ struct ubifs_debug_info { struct dentry *dfs_chk_lprops; struct dentry *dfs_chk_fs; struct dentry *dfs_tst_rcvry; + struct dentry *dfs_ro_error; }; /** diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index a6d42efc76d2..c95681cf1b71 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -184,7 +184,7 @@ static int dbg_check_name(const struct ubifs_info *c, } static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { int err; union ubifs_key key; @@ -246,7 +246,7 @@ out: } static int ubifs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct inode *inode; struct ubifs_info *c = dir->i_sb->s_fs_info; @@ -969,7 +969,7 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, struct ubifs_budget_req ino_req = { .dirtied_ino = 1, .dirtied_ino_d = ALIGN(old_inode_ui->data_len, 8) }; struct timespec time; - unsigned int saved_nlink; + unsigned int uninitialized_var(saved_nlink); /* * Budget request settings: deletion direntry, new direntry, removing diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c index 2559d174e004..28ec13af28d9 100644 --- a/fs/ubifs/find.c +++ b/fs/ubifs/find.c @@ -939,8 +939,8 @@ static int find_dirtiest_idx_leb(struct ubifs_info *c) } dbg_find("LEB %d, dirty %d and free %d flags %#x", lp->lnum, lp->dirty, lp->free, lp->flags); - ubifs_assert(lp->flags | LPROPS_TAKEN); - ubifs_assert(lp->flags | LPROPS_INDEX); + ubifs_assert(lp->flags & LPROPS_TAKEN); + ubifs_assert(lp->flags & LPROPS_INDEX); return lnum; } diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c index b02734db187c..cebf17ea0458 100644 --- a/fs/ubifs/orphan.c +++ b/fs/ubifs/orphan.c @@ -176,7 +176,7 @@ int ubifs_orphan_start_commit(struct ubifs_info *c) *last = orphan; last = &orphan->cnext; } - *last = orphan->cnext; + *last = NULL; c->cmt_orphans = c->new_orphans; c->new_orphans = 0; dbg_cmt("%d orphans to commit", c->cmt_orphans); @@ -382,7 +382,7 @@ static int consolidate(struct ubifs_info *c) last = &orphan->cnext; cnt += 1; } - *last = orphan->cnext; + *last = NULL; ubifs_assert(cnt == c->tot_orphans - c->new_orphans); c->cmt_orphans = cnt; c->ohead_lnum = c->orph_first; diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c index 3a2da7e476e5..eba46d4a7619 100644 --- a/fs/ubifs/replay.c +++ b/fs/ubifs/replay.c @@ -1007,7 +1007,7 @@ out: */ int ubifs_replay_journal(struct ubifs_info *c) { - int err, i, lnum, offs, free; + int err, lnum, free; BUILD_BUG_ON(UBIFS_TRUN_KEY > 5); @@ -1025,25 +1025,17 @@ int ubifs_replay_journal(struct ubifs_info *c) dbg_mnt("start replaying the journal"); c->replaying = 1; lnum = c->ltail_lnum = c->lhead_lnum; - offs = c->lhead_offs; - for (i = 0; i < c->log_lebs; i++, lnum++) { - if (lnum >= UBIFS_LOG_LNUM + c->log_lebs) { - /* - * The log is logically circular, we reached the last - * LEB, switch to the first one. - */ - lnum = UBIFS_LOG_LNUM; - offs = 0; - } - err = replay_log_leb(c, lnum, offs, c->sbuf); + lnum = UBIFS_LOG_LNUM; + do { + err = replay_log_leb(c, lnum, 0, c->sbuf); if (err == 1) /* We hit the end of the log */ break; if (err) goto out; - offs = 0; - } + lnum = ubifs_next_log_lnum(c, lnum); + } while (lnum != UBIFS_LOG_LNUM); err = replay_buds(c); if (err) diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c index ef3d1ba6d992..15e2fc5aa60b 100644 --- a/fs/ubifs/sb.c +++ b/fs/ubifs/sb.c @@ -718,8 +718,12 @@ static int fixup_free_space(struct ubifs_info *c) lnum = ubifs_next_log_lnum(c, lnum); } - /* Fixup the current log head */ - err = fixup_leb(c, c->lhead_lnum, c->lhead_offs); + /* + * Fixup the log head which contains the only a CS node at the + * beginning. + */ + err = fixup_leb(c, c->lhead_lnum, + ALIGN(UBIFS_CS_NODE_SZ, c->min_io_size)); if (err) goto out; diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 5862dd9d2784..1c766c39c038 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -2136,7 +2136,7 @@ static struct dentry *ubifs_mount(struct file_system_type *fs_type, int flags, dbg_gen("opened ubi%d_%d", c->vi.ubi_num, c->vi.vol_id); - sb = sget(fs_type, sb_test, sb_set, c); + sb = sget(fs_type, sb_test, sb_set, flags, c); if (IS_ERR(sb)) { err = PTR_ERR(sb); kfree(c); @@ -2153,7 +2153,6 @@ static struct dentry *ubifs_mount(struct file_system_type *fs_type, int flags, goto out_deact; } } else { - sb->s_flags = flags; err = ubifs_fill_super(sb, data, flags & MS_SILENT ? 1 : 0); if (err) goto out_deact; diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 873e1bab9c4c..fafaad795cd6 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1247,7 +1247,6 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) { struct fileEntry *fe; struct extendedFileEntry *efe; - int offset; struct udf_sb_info *sbi = UDF_SB(inode->i_sb); struct udf_inode_info *iinfo = UDF_I(inode); unsigned int link_count; @@ -1359,7 +1358,6 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) iinfo->i_lenEAttr = le32_to_cpu(fe->lengthExtendedAttr); iinfo->i_lenAlloc = le32_to_cpu(fe->lengthAllocDescs); iinfo->i_checkpoint = le32_to_cpu(fe->checkpoint); - offset = sizeof(struct fileEntry) + iinfo->i_lenEAttr; } else { inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) << (inode->i_sb->s_blocksize_bits - 9); @@ -1381,8 +1379,6 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) iinfo->i_lenEAttr = le32_to_cpu(efe->lengthExtendedAttr); iinfo->i_lenAlloc = le32_to_cpu(efe->lengthAllocDescs); iinfo->i_checkpoint = le32_to_cpu(efe->checkpoint); - offset = sizeof(struct extendedFileEntry) + - iinfo->i_lenEAttr; } switch (fe->icbTag.fileType) { diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 18024178ac4c..95fee278ab9d 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -251,7 +251,7 @@ out_ok: } static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct inode *inode = NULL; struct fileIdentDesc cfi; @@ -551,7 +551,7 @@ static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi, } static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct udf_fileident_bh fibh; struct inode *inode; @@ -1279,6 +1279,7 @@ static int udf_encode_fh(struct inode *inode, __u32 *fh, int *lenp, *lenp = 3; fid->udf.block = location.logicalBlockNum; fid->udf.partref = location.partitionReferenceNum; + fid->udf.parent_partref = 0; fid->udf.generation = inode->i_generation; if (parent) { diff --git a/fs/udf/super.c b/fs/udf/super.c index ac8a348dcb69..dcbf98722afc 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -56,6 +56,7 @@ #include <linux/seq_file.h> #include <linux/bitmap.h> #include <linux/crc-itu-t.h> +#include <linux/log2.h> #include <asm/byteorder.h> #include "udf_sb.h" @@ -251,6 +252,63 @@ static int udf_sb_alloc_partition_maps(struct super_block *sb, u32 count) return 0; } +static void udf_sb_free_bitmap(struct udf_bitmap *bitmap) +{ + int i; + int nr_groups = bitmap->s_nr_groups; + int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * + nr_groups); + + for (i = 0; i < nr_groups; i++) + if (bitmap->s_block_bitmap[i]) + brelse(bitmap->s_block_bitmap[i]); + + if (size <= PAGE_SIZE) + kfree(bitmap); + else + vfree(bitmap); +} + +static void udf_free_partition(struct udf_part_map *map) +{ + int i; + struct udf_meta_data *mdata; + + if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) + iput(map->s_uspace.s_table); + if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) + iput(map->s_fspace.s_table); + if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) + udf_sb_free_bitmap(map->s_uspace.s_bitmap); + if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) + udf_sb_free_bitmap(map->s_fspace.s_bitmap); + if (map->s_partition_type == UDF_SPARABLE_MAP15) + for (i = 0; i < 4; i++) + brelse(map->s_type_specific.s_sparing.s_spar_map[i]); + else if (map->s_partition_type == UDF_METADATA_MAP25) { + mdata = &map->s_type_specific.s_metadata; + iput(mdata->s_metadata_fe); + mdata->s_metadata_fe = NULL; + + iput(mdata->s_mirror_fe); + mdata->s_mirror_fe = NULL; + + iput(mdata->s_bitmap_fe); + mdata->s_bitmap_fe = NULL; + } +} + +static void udf_sb_free_partitions(struct super_block *sb) +{ + struct udf_sb_info *sbi = UDF_SB(sb); + int i; + + for (i = 0; i < sbi->s_partitions; i++) + udf_free_partition(&sbi->s_partmaps[i]); + kfree(sbi->s_partmaps); + sbi->s_partmaps = NULL; +} + static int udf_show_options(struct seq_file *seq, struct dentry *root) { struct super_block *sb = root->d_sb; @@ -1215,16 +1273,65 @@ out_bh: return ret; } +static int udf_load_sparable_map(struct super_block *sb, + struct udf_part_map *map, + struct sparablePartitionMap *spm) +{ + uint32_t loc; + uint16_t ident; + struct sparingTable *st; + struct udf_sparing_data *sdata = &map->s_type_specific.s_sparing; + int i; + struct buffer_head *bh; + + map->s_partition_type = UDF_SPARABLE_MAP15; + sdata->s_packet_len = le16_to_cpu(spm->packetLength); + if (!is_power_of_2(sdata->s_packet_len)) { + udf_err(sb, "error loading logical volume descriptor: " + "Invalid packet length %u\n", + (unsigned)sdata->s_packet_len); + return -EIO; + } + if (spm->numSparingTables > 4) { + udf_err(sb, "error loading logical volume descriptor: " + "Too many sparing tables (%d)\n", + (int)spm->numSparingTables); + return -EIO; + } + + for (i = 0; i < spm->numSparingTables; i++) { + loc = le32_to_cpu(spm->locSparingTable[i]); + bh = udf_read_tagged(sb, loc, loc, &ident); + if (!bh) + continue; + + st = (struct sparingTable *)bh->b_data; + if (ident != 0 || + strncmp(st->sparingIdent.ident, UDF_ID_SPARING, + strlen(UDF_ID_SPARING)) || + sizeof(*st) + le16_to_cpu(st->reallocationTableLen) > + sb->s_blocksize) { + brelse(bh); + continue; + } + + sdata->s_spar_map[i] = bh; + } + map->s_partition_func = udf_get_pblock_spar15; + return 0; +} + static int udf_load_logicalvol(struct super_block *sb, sector_t block, struct kernel_lb_addr *fileset) { struct logicalVolDesc *lvd; - int i, j, offset; + int i, offset; uint8_t type; struct udf_sb_info *sbi = UDF_SB(sb); struct genericPartitionMap *gpm; uint16_t ident; struct buffer_head *bh; + unsigned int table_len; int ret = 0; bh = udf_read_tagged(sb, block, block, &ident); @@ -1232,15 +1339,20 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block, return 1; BUG_ON(ident != TAG_IDENT_LVD); lvd = (struct logicalVolDesc *)bh->b_data; - - i = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps)); - if (i != 0) { - ret = i; + table_len = le32_to_cpu(lvd->mapTableLength); + if (table_len > sb->s_blocksize - sizeof(*lvd)) { + udf_err(sb, "error loading logical volume descriptor: " + "Partition table too long (%u > %lu)\n", table_len, + sb->s_blocksize - sizeof(*lvd)); goto out_bh; } + ret = udf_sb_alloc_partition_maps(sb, le32_to_cpu(lvd->numPartitionMaps)); + if (ret) + goto out_bh; + for (i = 0, offset = 0; - i < sbi->s_partitions && offset < le32_to_cpu(lvd->mapTableLength); + i < sbi->s_partitions && offset < table_len; i++, offset += gpm->partitionMapLength) { struct udf_part_map *map = &sbi->s_partmaps[i]; gpm = (struct genericPartitionMap *) @@ -1275,38 +1387,9 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block, } else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) { - uint32_t loc; - struct sparingTable *st; - struct sparablePartitionMap *spm = - (struct sparablePartitionMap *)gpm; - - map->s_partition_type = UDF_SPARABLE_MAP15; - map->s_type_specific.s_sparing.s_packet_len = - le16_to_cpu(spm->packetLength); - for (j = 0; j < spm->numSparingTables; j++) { - struct buffer_head *bh2; - - loc = le32_to_cpu( - spm->locSparingTable[j]); - bh2 = udf_read_tagged(sb, loc, loc, - &ident); - map->s_type_specific.s_sparing. - s_spar_map[j] = bh2; - - if (bh2 == NULL) - continue; - - st = (struct sparingTable *)bh2->b_data; - if (ident != 0 || strncmp( - st->sparingIdent.ident, - UDF_ID_SPARING, - strlen(UDF_ID_SPARING))) { - brelse(bh2); - map->s_type_specific.s_sparing. - s_spar_map[j] = NULL; - } - } - map->s_partition_func = udf_get_pblock_spar15; + if (udf_load_sparable_map(sb, map, + (struct sparablePartitionMap *)gpm) < 0) + goto out_bh; } else if (!strncmp(upm2->partIdent.ident, UDF_ID_METADATA, strlen(UDF_ID_METADATA))) { @@ -1570,7 +1653,11 @@ static int udf_load_sequence(struct super_block *sb, struct buffer_head *bh, /* responsible for finding the PartitionDesc(s) */ if (!udf_process_sequence(sb, main_s, main_e, fileset)) return 1; - return !udf_process_sequence(sb, reserve_s, reserve_e, fileset); + udf_sb_free_partitions(sb); + if (!udf_process_sequence(sb, reserve_s, reserve_e, fileset)) + return 1; + udf_sb_free_partitions(sb); + return 0; } /* @@ -1835,55 +1922,8 @@ u64 lvid_get_unique_id(struct super_block *sb) return ret; } -static void udf_sb_free_bitmap(struct udf_bitmap *bitmap) -{ - int i; - int nr_groups = bitmap->s_nr_groups; - int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * - nr_groups); - - for (i = 0; i < nr_groups; i++) - if (bitmap->s_block_bitmap[i]) - brelse(bitmap->s_block_bitmap[i]); - - if (size <= PAGE_SIZE) - kfree(bitmap); - else - vfree(bitmap); -} - -static void udf_free_partition(struct udf_part_map *map) -{ - int i; - struct udf_meta_data *mdata; - - if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) - iput(map->s_uspace.s_table); - if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) - iput(map->s_fspace.s_table); - if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) - udf_sb_free_bitmap(map->s_uspace.s_bitmap); - if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) - udf_sb_free_bitmap(map->s_fspace.s_bitmap); - if (map->s_partition_type == UDF_SPARABLE_MAP15) - for (i = 0; i < 4; i++) - brelse(map->s_type_specific.s_sparing.s_spar_map[i]); - else if (map->s_partition_type == UDF_METADATA_MAP25) { - mdata = &map->s_type_specific.s_metadata; - iput(mdata->s_metadata_fe); - mdata->s_metadata_fe = NULL; - - iput(mdata->s_mirror_fe); - mdata->s_mirror_fe = NULL; - - iput(mdata->s_bitmap_fe); - mdata->s_bitmap_fe = NULL; - } -} - static int udf_fill_super(struct super_block *sb, void *options, int silent) { - int i; int ret; struct inode *inode = NULL; struct udf_options uopt; @@ -1948,7 +1988,6 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) sb->s_op = &udf_sb_ops; sb->s_export_op = &udf_export_ops; - sb->s_dirt = 0; sb->s_magic = UDF_SUPER_MAGIC; sb->s_time_gran = 1000; @@ -2046,9 +2085,6 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) error_out: if (sbi->s_vat_inode) iput(sbi->s_vat_inode); - if (sbi->s_partitions) - for (i = 0; i < sbi->s_partitions; i++) - udf_free_partition(&sbi->s_partmaps[i]); #ifdef CONFIG_UDF_NLS if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) unload_nls(sbi->s_nls_map); @@ -2056,8 +2092,7 @@ error_out: if (!(sb->s_flags & MS_RDONLY)) udf_close_lvid(sb); brelse(sbi->s_lvid_bh); - - kfree(sbi->s_partmaps); + udf_sb_free_partitions(sb); kfree(sbi); sb->s_fs_info = NULL; @@ -2070,10 +2105,6 @@ void _udf_err(struct super_block *sb, const char *function, struct va_format vaf; va_list args; - /* mark sb error */ - if (!(sb->s_flags & MS_RDONLY)) - sb->s_dirt = 1; - va_start(args, fmt); vaf.fmt = fmt; @@ -2102,16 +2133,12 @@ void _udf_warn(struct super_block *sb, const char *function, static void udf_put_super(struct super_block *sb) { - int i; struct udf_sb_info *sbi; sbi = UDF_SB(sb); if (sbi->s_vat_inode) iput(sbi->s_vat_inode); - if (sbi->s_partitions) - for (i = 0; i < sbi->s_partitions; i++) - udf_free_partition(&sbi->s_partmaps[i]); #ifdef CONFIG_UDF_NLS if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) unload_nls(sbi->s_nls_map); @@ -2119,7 +2146,7 @@ static void udf_put_super(struct super_block *sb) if (!(sb->s_flags & MS_RDONLY)) udf_close_lvid(sb); brelse(sbi->s_lvid_bh); - kfree(sbi->s_partmaps); + udf_sb_free_partitions(sb); kfree(sb->s_fs_info); sb->s_fs_info = NULL; } @@ -2135,7 +2162,6 @@ static int udf_sync_fs(struct super_block *sb, int wait) * the buffer for IO */ mark_buffer_dirty(sbi->s_lvid_bh); - sb->s_dirt = 0; sbi->s_lvid_dirty = 0; } mutex_unlock(&sbi->s_alloc_mutex); diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index 4b98fee8e161..8a9657d7f7c6 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -248,7 +248,7 @@ void udf_truncate_extents(struct inode *inode) /* We managed to free all extents in the * indirect extent - free it too */ BUG_ON(!epos.bh); - udf_free_blocks(sb, inode, &epos.block, + udf_free_blocks(sb, NULL, &epos.block, 0, indirect_ext_len); } else if (!epos.bh) { iinfo->i_lenAlloc = lenalloc; @@ -275,7 +275,7 @@ void udf_truncate_extents(struct inode *inode) if (indirect_ext_len) { BUG_ON(!epos.bh); - udf_free_blocks(sb, inode, &epos.block, 0, indirect_ext_len); + udf_free_blocks(sb, NULL, &epos.block, 0, indirect_ext_len); } else if (!epos.bh) { iinfo->i_lenAlloc = lenalloc; mark_inode_dirty(inode); diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index ebe10314e512..de038da6f6bd 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -129,7 +129,6 @@ static inline void udf_updated_lvid(struct super_block *sb) WARN_ON_ONCE(((struct logicalVolIntegrityDesc *) bh->b_data)->integrityType != cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN)); - sb->s_dirt = 1; UDF_SB(sb)->s_lvid_dirty = 1; } extern u64 lvid_get_unique_id(struct super_block *sb); diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index 42694e11c23d..1b3e410bf334 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -116,7 +116,7 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count) ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); if (sb->s_flags & MS_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); - sb->s_dirt = 1; + ufs_mark_sb_dirty(sb); unlock_super (sb); UFSD("EXIT\n"); @@ -214,7 +214,7 @@ do_more: goto do_more; } - sb->s_dirt = 1; + ufs_mark_sb_dirty(sb); unlock_super (sb); UFSD("EXIT\n"); return; @@ -557,7 +557,7 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment, ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); if (sb->s_flags & MS_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); - sb->s_dirt = 1; + ufs_mark_sb_dirty(sb); UFSD("EXIT, fragment %llu\n", (unsigned long long)fragment); @@ -677,7 +677,7 @@ succed: ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); if (sb->s_flags & MS_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); - sb->s_dirt = 1; + ufs_mark_sb_dirty(sb); result += cgno * uspi->s_fpg; UFSD("EXIT3, result %llu\n", (unsigned long long)result); diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c index 4ec5c1085a87..e84cbe21b986 100644 --- a/fs/ufs/ialloc.c +++ b/fs/ufs/ialloc.c @@ -116,7 +116,7 @@ void ufs_free_inode (struct inode * inode) if (sb->s_flags & MS_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); - sb->s_dirt = 1; + ufs_mark_sb_dirty(sb); unlock_super (sb); UFSD("EXIT\n"); } @@ -288,7 +288,7 @@ cg_found: ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); if (sb->s_flags & MS_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); - sb->s_dirt = 1; + ufs_mark_sb_dirty(sb); inode->i_ino = cg * uspi->s_ipg + bit; inode_init_owner(inode, dir, mode); diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c index a2281cadefa1..90d74b8f8eba 100644 --- a/fs/ufs/namei.c +++ b/fs/ufs/namei.c @@ -46,7 +46,7 @@ static inline int ufs_add_nondir(struct dentry *dentry, struct inode *inode) return err; } -static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd) +static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, unsigned int flags) { struct inode * inode = NULL; ino_t ino; @@ -71,7 +71,7 @@ static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, stru * with d_instantiate(). */ static int ufs_create (struct inode * dir, struct dentry * dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct inode *inode; int err; diff --git a/fs/ufs/super.c b/fs/ufs/super.c index 302f340d0071..444927e5706b 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -302,7 +302,7 @@ void ufs_error (struct super_block * sb, const char * function, if (!(sb->s_flags & MS_RDONLY)) { usb1->fs_clean = UFS_FSBAD; ubh_mark_buffer_dirty(USPI_UBH(uspi)); - sb->s_dirt = 1; + ufs_mark_sb_dirty(sb); sb->s_flags |= MS_RDONLY; } va_start (args, fmt); @@ -334,7 +334,7 @@ void ufs_panic (struct super_block * sb, const char * function, if (!(sb->s_flags & MS_RDONLY)) { usb1->fs_clean = UFS_FSBAD; ubh_mark_buffer_dirty(USPI_UBH(uspi)); - sb->s_dirt = 1; + ufs_mark_sb_dirty(sb); } va_start (args, fmt); vsnprintf (error_buf, sizeof(error_buf), fmt, args); @@ -691,6 +691,83 @@ static void ufs_put_super_internal(struct super_block *sb) UFSD("EXIT\n"); } +static int ufs_sync_fs(struct super_block *sb, int wait) +{ + struct ufs_sb_private_info * uspi; + struct ufs_super_block_first * usb1; + struct ufs_super_block_third * usb3; + unsigned flags; + + lock_ufs(sb); + lock_super(sb); + + UFSD("ENTER\n"); + + flags = UFS_SB(sb)->s_flags; + uspi = UFS_SB(sb)->s_uspi; + usb1 = ubh_get_usb_first(uspi); + usb3 = ubh_get_usb_third(uspi); + + usb1->fs_time = cpu_to_fs32(sb, get_seconds()); + if ((flags & UFS_ST_MASK) == UFS_ST_SUN || + (flags & UFS_ST_MASK) == UFS_ST_SUNOS || + (flags & UFS_ST_MASK) == UFS_ST_SUNx86) + ufs_set_fs_state(sb, usb1, usb3, + UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)); + ufs_put_cstotal(sb); + + UFSD("EXIT\n"); + unlock_super(sb); + unlock_ufs(sb); + + return 0; +} + +static void delayed_sync_fs(struct work_struct *work) +{ + struct ufs_sb_info *sbi; + + sbi = container_of(work, struct ufs_sb_info, sync_work.work); + + spin_lock(&sbi->work_lock); + sbi->work_queued = 0; + spin_unlock(&sbi->work_lock); + + ufs_sync_fs(sbi->sb, 1); +} + +void ufs_mark_sb_dirty(struct super_block *sb) +{ + struct ufs_sb_info *sbi = UFS_SB(sb); + unsigned long delay; + + spin_lock(&sbi->work_lock); + if (!sbi->work_queued) { + delay = msecs_to_jiffies(dirty_writeback_interval * 10); + queue_delayed_work(system_long_wq, &sbi->sync_work, delay); + sbi->work_queued = 1; + } + spin_unlock(&sbi->work_lock); +} + +static void ufs_put_super(struct super_block *sb) +{ + struct ufs_sb_info * sbi = UFS_SB(sb); + + UFSD("ENTER\n"); + + if (!(sb->s_flags & MS_RDONLY)) + ufs_put_super_internal(sb); + cancel_delayed_work_sync(&sbi->sync_work); + + ubh_brelse_uspi (sbi->s_uspi); + kfree (sbi->s_uspi); + kfree (sbi); + sb->s_fs_info = NULL; + UFSD("EXIT\n"); + return; +} + static int ufs_fill_super(struct super_block *sb, void *data, int silent) { struct ufs_sb_info * sbi; @@ -716,6 +793,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) if (!sbi) goto failed_nomem; sb->s_fs_info = sbi; + sbi->sb = sb; UFSD("flag %u\n", (int)(sb->s_flags & MS_RDONLY)); @@ -727,6 +805,8 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) } #endif mutex_init(&sbi->mutex); + spin_lock_init(&sbi->work_lock); + INIT_DELAYED_WORK(&sbi->sync_work, delayed_sync_fs); /* * Set default mount options * Parse mount options @@ -1191,68 +1271,6 @@ failed_nomem: return -ENOMEM; } -static int ufs_sync_fs(struct super_block *sb, int wait) -{ - struct ufs_sb_private_info * uspi; - struct ufs_super_block_first * usb1; - struct ufs_super_block_third * usb3; - unsigned flags; - - lock_ufs(sb); - lock_super(sb); - - UFSD("ENTER\n"); - - flags = UFS_SB(sb)->s_flags; - uspi = UFS_SB(sb)->s_uspi; - usb1 = ubh_get_usb_first(uspi); - usb3 = ubh_get_usb_third(uspi); - - usb1->fs_time = cpu_to_fs32(sb, get_seconds()); - if ((flags & UFS_ST_MASK) == UFS_ST_SUN || - (flags & UFS_ST_MASK) == UFS_ST_SUNOS || - (flags & UFS_ST_MASK) == UFS_ST_SUNx86) - ufs_set_fs_state(sb, usb1, usb3, - UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)); - ufs_put_cstotal(sb); - sb->s_dirt = 0; - - UFSD("EXIT\n"); - unlock_super(sb); - unlock_ufs(sb); - - return 0; -} - -static void ufs_write_super(struct super_block *sb) -{ - if (!(sb->s_flags & MS_RDONLY)) - ufs_sync_fs(sb, 1); - else - sb->s_dirt = 0; -} - -static void ufs_put_super(struct super_block *sb) -{ - struct ufs_sb_info * sbi = UFS_SB(sb); - - UFSD("ENTER\n"); - - if (sb->s_dirt) - ufs_write_super(sb); - - if (!(sb->s_flags & MS_RDONLY)) - ufs_put_super_internal(sb); - - ubh_brelse_uspi (sbi->s_uspi); - kfree (sbi->s_uspi); - kfree (sbi); - sb->s_fs_info = NULL; - UFSD("EXIT\n"); - return; -} - - static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) { struct ufs_sb_private_info * uspi; @@ -1308,7 +1326,6 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) ufs_set_fs_state(sb, usb1, usb3, UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)); ubh_mark_buffer_dirty (USPI_UBH(uspi)); - sb->s_dirt = 0; sb->s_flags |= MS_RDONLY; } else { /* @@ -1458,7 +1475,6 @@ static const struct super_operations ufs_super_ops = { .write_inode = ufs_write_inode, .evict_inode = ufs_evict_inode, .put_super = ufs_put_super, - .write_super = ufs_write_super, .sync_fs = ufs_sync_fs, .statfs = ufs_statfs, .remount_fs = ufs_remount, diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h index 528750b7e701..343e6fc571e5 100644 --- a/fs/ufs/ufs.h +++ b/fs/ufs/ufs.h @@ -20,6 +20,10 @@ struct ufs_sb_info { unsigned s_mount_opt; struct mutex mutex; struct task_struct *mutex_owner; + struct super_block *sb; + int work_queued; /* non-zero if the delayed work is queued */ + struct delayed_work sync_work; /* FS sync delayed work */ + spinlock_t work_lock; /* protects sync_work and work_queued */ }; struct ufs_inode_info { @@ -123,6 +127,7 @@ extern __printf(3, 4) void ufs_error(struct super_block *, const char *, const char *, ...); extern __printf(3, 4) void ufs_panic(struct super_block *, const char *, const char *, ...); +void ufs_mark_sb_dirty(struct super_block *sb); /* symlink.c */ extern const struct inode_operations ufs_fast_symlink_inode_operations; diff --git a/fs/ufs/ufs_fs.h b/fs/ufs/ufs_fs.h index 8aba544f9fad..0cbd5d340b67 100644 --- a/fs/ufs/ufs_fs.h +++ b/fs/ufs/ufs_fs.h @@ -34,6 +34,7 @@ #include <linux/kernel.h> #include <linux/stat.h> #include <linux/fs.h> +#include <linux/workqueue.h> #include <asm/div64.h> typedef __u64 __bitwise __fs64; diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c index 229641fb8e67..4f33c32affe3 100644 --- a/fs/xfs/xfs_alloc.c +++ b/fs/xfs/xfs_alloc.c @@ -1074,12 +1074,13 @@ restart: * If we couldn't get anything, give up. */ if (bno_cur_lt == NULL && bno_cur_gt == NULL) { + xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); + if (!forced++) { trace_xfs_alloc_near_busy(args); xfs_log_force(args->mp, XFS_LOG_SYNC); goto restart; } - trace_xfs_alloc_size_neither(args); args->agbno = NULLAGBLOCK; return 0; @@ -2433,15 +2434,24 @@ xfs_alloc_vextent_worker( current_restore_flags_nested(&pflags, PF_FSTRANS); } - -int /* error */ +/* + * Data allocation requests often come in with little stack to work on. Push + * them off to a worker thread so there is lots of stack to use. Metadata + * requests, OTOH, are generally from low stack usage paths, so avoid the + * context switch overhead here. + */ +int xfs_alloc_vextent( - xfs_alloc_arg_t *args) /* allocation argument structure */ + struct xfs_alloc_arg *args) { DECLARE_COMPLETION_ONSTACK(done); + if (!args->userdata) + return __xfs_alloc_vextent(args); + + args->done = &done; - INIT_WORK(&args->work, xfs_alloc_vextent_worker); + INIT_WORK_ONSTACK(&args->work, xfs_alloc_vextent_worker); queue_work(xfs_alloc_wq, &args->work); wait_for_completion(&done); return args->result; diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index ae31c313a79e..8dad722c0041 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -981,10 +981,15 @@ xfs_vm_writepage( imap_valid = 0; } } else { - if (PageUptodate(page)) { + if (PageUptodate(page)) ASSERT(buffer_mapped(bh)); - imap_valid = 0; - } + /* + * This buffer is not uptodate and will not be + * written to disk. Ensure that we will put any + * subsequent writeable buffers into a new + * ioend. + */ + imap_valid = 0; continue; } diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 172d3cc8f8cb..269b35c084da 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -201,14 +201,7 @@ xfs_buf_alloc( bp->b_length = numblks; bp->b_io_length = numblks; bp->b_flags = flags; - - /* - * We do not set the block number here in the buffer because we have not - * finished initialising the buffer. We insert the buffer into the cache - * in this state, so this ensures that we are unable to do IO on a - * buffer that hasn't been fully initialised. - */ - bp->b_bn = XFS_BUF_DADDR_NULL; + bp->b_bn = blkno; atomic_set(&bp->b_pin_count, 0); init_waitqueue_head(&bp->b_waiters); @@ -567,11 +560,6 @@ xfs_buf_get( if (bp != new_bp) xfs_buf_free(new_bp); - /* - * Now we have a workable buffer, fill in the block number so - * that we can do IO on it. - */ - bp->b_bn = blkno; bp->b_io_length = bp->b_length; found: @@ -772,7 +760,7 @@ xfs_buf_get_uncached( int error, i; xfs_buf_t *bp; - bp = xfs_buf_alloc(target, 0, numblks, 0); + bp = xfs_buf_alloc(target, XFS_BUF_DADDR_NULL, numblks, 0); if (unlikely(bp == NULL)) goto fail; @@ -1001,27 +989,6 @@ xfs_buf_ioerror_alert( (__uint64_t)XFS_BUF_ADDR(bp), func, bp->b_error, bp->b_length); } -int -xfs_bwrite( - struct xfs_buf *bp) -{ - int error; - - ASSERT(xfs_buf_islocked(bp)); - - bp->b_flags |= XBF_WRITE; - bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q); - - xfs_bdstrat_cb(bp); - - error = xfs_buf_iowait(bp); - if (error) { - xfs_force_shutdown(bp->b_target->bt_mount, - SHUTDOWN_META_IO_ERROR); - } - return error; -} - /* * Called when we want to stop a buffer from getting written or read. * We attach the EIO error, muck with its flags, and call xfs_buf_ioend @@ -1091,14 +1058,7 @@ xfs_bioerror_relse( return EIO; } - -/* - * All xfs metadata buffers except log state machine buffers - * get this attached as their b_bdstrat callback function. - * This is so that we can catch a buffer - * after prematurely unpinning it to forcibly shutdown the filesystem. - */ -int +STATIC int xfs_bdstrat_cb( struct xfs_buf *bp) { @@ -1119,6 +1079,27 @@ xfs_bdstrat_cb( return 0; } +int +xfs_bwrite( + struct xfs_buf *bp) +{ + int error; + + ASSERT(xfs_buf_islocked(bp)); + + bp->b_flags |= XBF_WRITE; + bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q); + + xfs_bdstrat_cb(bp); + + error = xfs_buf_iowait(bp); + if (error) { + xfs_force_shutdown(bp->b_target->bt_mount, + SHUTDOWN_META_IO_ERROR); + } + return error; +} + /* * Wrapper around bdstrat so that we can stop data from going to disk in case * we are shutting down the filesystem. Typically user data goes thru this @@ -1255,7 +1236,7 @@ xfs_buf_iorequest( */ atomic_set(&bp->b_io_remaining, 1); _xfs_buf_ioapply(bp); - _xfs_buf_ioend(bp, 0); + _xfs_buf_ioend(bp, 1); xfs_buf_rele(bp); } diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 7f1d1392ce37..79344c48008e 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -180,7 +180,6 @@ extern void xfs_buf_unlock(xfs_buf_t *); extern int xfs_bwrite(struct xfs_buf *bp); extern void xfsbdstrat(struct xfs_mount *, struct xfs_buf *); -extern int xfs_bdstrat_cb(struct xfs_buf *); extern void xfs_buf_ioend(xfs_buf_t *, int); extern void xfs_buf_ioerror(xfs_buf_t *, int); diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 45df2b857d48..d9e451115f98 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -954,7 +954,7 @@ xfs_buf_iodone_callbacks( if (!XFS_BUF_ISSTALE(bp)) { bp->b_flags |= XBF_WRITE | XBF_ASYNC | XBF_DONE; - xfs_bdstrat_cb(bp); + xfs_buf_iorequest(bp); } else { xfs_buf_relse(bp); } diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index 6cdbf90c6f7b..d041d47d9d86 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -505,6 +505,14 @@ xfs_inode_item_push( } /* + * Stale inode items should force out the iclog. + */ + if (ip->i_flags & XFS_ISTALE) { + rval = XFS_ITEM_PINNED; + goto out_unlock; + } + + /* * Someone else is already flushing the inode. Nothing we can do * here but wait for the flush to finish and remove the item from * the AIL. @@ -514,15 +522,6 @@ xfs_inode_item_push( goto out_unlock; } - /* - * Stale inode items should force out the iclog. - */ - if (ip->i_flags & XFS_ISTALE) { - xfs_ifunlock(ip); - xfs_iunlock(ip, XFS_ILOCK_SHARED); - return XFS_ITEM_PINNED; - } - ASSERT(iip->ili_fields != 0 || XFS_FORCED_SHUTDOWN(ip->i_mount)); ASSERT(iip->ili_logged == 0 || XFS_FORCED_SHUTDOWN(ip->i_mount)); diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 3a05a41b5d76..1f1535d25a9b 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -208,6 +208,7 @@ xfs_open_by_handle( struct inode *inode; struct dentry *dentry; fmode_t fmode; + struct path path; if (!capable(CAP_SYS_ADMIN)) return -XFS_ERROR(EPERM); @@ -252,8 +253,10 @@ xfs_open_by_handle( goto out_dput; } - filp = dentry_open(dentry, mntget(parfilp->f_path.mnt), - hreq->oflags, cred); + path.mnt = parfilp->f_path.mnt; + path.dentry = dentry; + filp = dentry_open(&path, hreq->oflags, cred); + dput(dentry); if (IS_ERR(filp)) { put_unused_fd(fd); return PTR_ERR(filp); diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 1a25fd802798..9c4340f5c3e0 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -179,7 +179,7 @@ xfs_vn_create( struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool flags) { return xfs_vn_mknod(dir, dentry, mode, 0); } @@ -197,7 +197,7 @@ STATIC struct dentry * xfs_vn_lookup( struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct xfs_inode *cip; struct xfs_name name; @@ -222,7 +222,7 @@ STATIC struct dentry * xfs_vn_ci_lookup( struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct xfs_inode *ip; struct xfs_name xname; diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index f30d9807dc48..d90d4a388609 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -38,13 +38,21 @@ kmem_zone_t *xfs_log_ticket_zone; /* Local miscellaneous function prototypes */ -STATIC int xlog_commit_record(struct log *log, struct xlog_ticket *ticket, - xlog_in_core_t **, xfs_lsn_t *); +STATIC int +xlog_commit_record( + struct xlog *log, + struct xlog_ticket *ticket, + struct xlog_in_core **iclog, + xfs_lsn_t *commitlsnp); + STATIC xlog_t * xlog_alloc_log(xfs_mount_t *mp, xfs_buftarg_t *log_target, xfs_daddr_t blk_offset, int num_bblks); -STATIC int xlog_space_left(struct log *log, atomic64_t *head); +STATIC int +xlog_space_left( + struct xlog *log, + atomic64_t *head); STATIC int xlog_sync(xlog_t *log, xlog_in_core_t *iclog); STATIC void xlog_dealloc_log(xlog_t *log); @@ -64,8 +72,10 @@ STATIC void xlog_state_switch_iclogs(xlog_t *log, int eventual_size); STATIC void xlog_state_want_sync(xlog_t *log, xlog_in_core_t *iclog); -STATIC void xlog_grant_push_ail(struct log *log, - int need_bytes); +STATIC void +xlog_grant_push_ail( + struct xlog *log, + int need_bytes); STATIC void xlog_regrant_reserve_log_space(xlog_t *log, xlog_ticket_t *ticket); STATIC void xlog_ungrant_log_space(xlog_t *log, @@ -73,7 +83,9 @@ STATIC void xlog_ungrant_log_space(xlog_t *log, #if defined(DEBUG) STATIC void xlog_verify_dest_ptr(xlog_t *log, char *ptr); -STATIC void xlog_verify_grant_tail(struct log *log); +STATIC void +xlog_verify_grant_tail( + struct xlog *log); STATIC void xlog_verify_iclog(xlog_t *log, xlog_in_core_t *iclog, int count, boolean_t syncing); STATIC void xlog_verify_tail_lsn(xlog_t *log, xlog_in_core_t *iclog, @@ -89,9 +101,9 @@ STATIC int xlog_iclogs_empty(xlog_t *log); static void xlog_grant_sub_space( - struct log *log, - atomic64_t *head, - int bytes) + struct xlog *log, + atomic64_t *head, + int bytes) { int64_t head_val = atomic64_read(head); int64_t new, old; @@ -115,9 +127,9 @@ xlog_grant_sub_space( static void xlog_grant_add_space( - struct log *log, - atomic64_t *head, - int bytes) + struct xlog *log, + atomic64_t *head, + int bytes) { int64_t head_val = atomic64_read(head); int64_t new, old; @@ -165,7 +177,7 @@ xlog_grant_head_wake_all( static inline int xlog_ticket_reservation( - struct log *log, + struct xlog *log, struct xlog_grant_head *head, struct xlog_ticket *tic) { @@ -182,7 +194,7 @@ xlog_ticket_reservation( STATIC bool xlog_grant_head_wake( - struct log *log, + struct xlog *log, struct xlog_grant_head *head, int *free_bytes) { @@ -204,7 +216,7 @@ xlog_grant_head_wake( STATIC int xlog_grant_head_wait( - struct log *log, + struct xlog *log, struct xlog_grant_head *head, struct xlog_ticket *tic, int need_bytes) @@ -256,7 +268,7 @@ shutdown: */ STATIC int xlog_grant_head_check( - struct log *log, + struct xlog *log, struct xlog_grant_head *head, struct xlog_ticket *tic, int *need_bytes) @@ -323,7 +335,7 @@ xfs_log_regrant( struct xfs_mount *mp, struct xlog_ticket *tic) { - struct log *log = mp->m_log; + struct xlog *log = mp->m_log; int need_bytes; int error = 0; @@ -389,7 +401,7 @@ xfs_log_reserve( bool permanent, uint t_type) { - struct log *log = mp->m_log; + struct xlog *log = mp->m_log; struct xlog_ticket *tic; int need_bytes; int error = 0; @@ -465,7 +477,7 @@ xfs_log_done( struct xlog_in_core **iclog, uint flags) { - struct log *log = mp->m_log; + struct xlog *log = mp->m_log; xfs_lsn_t lsn = 0; if (XLOG_FORCED_SHUTDOWN(log) || @@ -810,6 +822,7 @@ xfs_log_unmount_write(xfs_mount_t *mp) void xfs_log_unmount(xfs_mount_t *mp) { + cancel_delayed_work_sync(&mp->m_sync_work); xfs_trans_ail_destroy(mp); xlog_dealloc_log(mp->m_log); } @@ -838,7 +851,7 @@ void xfs_log_space_wake( struct xfs_mount *mp) { - struct log *log = mp->m_log; + struct xlog *log = mp->m_log; int free_bytes; if (XLOG_FORCED_SHUTDOWN(log)) @@ -916,7 +929,7 @@ xfs_lsn_t xlog_assign_tail_lsn_locked( struct xfs_mount *mp) { - struct log *log = mp->m_log; + struct xlog *log = mp->m_log; struct xfs_log_item *lip; xfs_lsn_t tail_lsn; @@ -965,7 +978,7 @@ xlog_assign_tail_lsn( */ STATIC int xlog_space_left( - struct log *log, + struct xlog *log, atomic64_t *head) { int free_bytes; @@ -1277,7 +1290,7 @@ out: */ STATIC int xlog_commit_record( - struct log *log, + struct xlog *log, struct xlog_ticket *ticket, struct xlog_in_core **iclog, xfs_lsn_t *commitlsnp) @@ -1311,7 +1324,7 @@ xlog_commit_record( */ STATIC void xlog_grant_push_ail( - struct log *log, + struct xlog *log, int need_bytes) { xfs_lsn_t threshold_lsn = 0; @@ -1790,7 +1803,7 @@ xlog_write_start_rec( static xlog_op_header_t * xlog_write_setup_ophdr( - struct log *log, + struct xlog *log, struct xlog_op_header *ophdr, struct xlog_ticket *ticket, uint flags) @@ -1873,7 +1886,7 @@ xlog_write_setup_copy( static int xlog_write_copy_finish( - struct log *log, + struct xlog *log, struct xlog_in_core *iclog, uint flags, int *record_cnt, @@ -1958,7 +1971,7 @@ xlog_write_copy_finish( */ int xlog_write( - struct log *log, + struct xlog *log, struct xfs_log_vec *log_vector, struct xlog_ticket *ticket, xfs_lsn_t *start_lsn, @@ -2821,7 +2834,7 @@ _xfs_log_force( uint flags, int *log_flushed) { - struct log *log = mp->m_log; + struct xlog *log = mp->m_log; struct xlog_in_core *iclog; xfs_lsn_t lsn; @@ -2969,7 +2982,7 @@ _xfs_log_force_lsn( uint flags, int *log_flushed) { - struct log *log = mp->m_log; + struct xlog *log = mp->m_log; struct xlog_in_core *iclog; int already_slept = 0; @@ -3147,7 +3160,7 @@ xfs_log_ticket_get( */ xlog_ticket_t * xlog_ticket_alloc( - struct log *log, + struct xlog *log, int unit_bytes, int cnt, char client, @@ -3278,7 +3291,7 @@ xlog_ticket_alloc( */ void xlog_verify_dest_ptr( - struct log *log, + struct xlog *log, char *ptr) { int i; @@ -3307,7 +3320,7 @@ xlog_verify_dest_ptr( */ STATIC void xlog_verify_grant_tail( - struct log *log) + struct xlog *log) { int tail_cycle, tail_blocks; int cycle, space; diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index 7d6197c58493..ddc4529d07d3 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -44,7 +44,7 @@ */ static struct xlog_ticket * xlog_cil_ticket_alloc( - struct log *log) + struct xlog *log) { struct xlog_ticket *tic; @@ -72,7 +72,7 @@ xlog_cil_ticket_alloc( */ void xlog_cil_init_post_recovery( - struct log *log) + struct xlog *log) { log->l_cilp->xc_ctx->ticket = xlog_cil_ticket_alloc(log); log->l_cilp->xc_ctx->sequence = 1; @@ -182,7 +182,7 @@ xlog_cil_prepare_log_vecs( */ STATIC void xfs_cil_prepare_item( - struct log *log, + struct xlog *log, struct xfs_log_vec *lv, int *len, int *diff_iovecs) @@ -231,7 +231,7 @@ xfs_cil_prepare_item( */ static void xlog_cil_insert_items( - struct log *log, + struct xlog *log, struct xfs_log_vec *log_vector, struct xlog_ticket *ticket) { @@ -373,7 +373,7 @@ xlog_cil_committed( */ STATIC int xlog_cil_push( - struct log *log) + struct xlog *log) { struct xfs_cil *cil = log->l_cilp; struct xfs_log_vec *lv; @@ -601,7 +601,7 @@ xlog_cil_push_work( */ static void xlog_cil_push_background( - struct log *log) + struct xlog *log) { struct xfs_cil *cil = log->l_cilp; @@ -629,7 +629,7 @@ xlog_cil_push_background( static void xlog_cil_push_foreground( - struct log *log, + struct xlog *log, xfs_lsn_t push_seq) { struct xfs_cil *cil = log->l_cilp; @@ -683,7 +683,7 @@ xfs_log_commit_cil( xfs_lsn_t *commit_lsn, int flags) { - struct log *log = mp->m_log; + struct xlog *log = mp->m_log; int log_flags = 0; struct xfs_log_vec *log_vector; @@ -754,7 +754,7 @@ xfs_log_commit_cil( */ xfs_lsn_t xlog_cil_force_lsn( - struct log *log, + struct xlog *log, xfs_lsn_t sequence) { struct xfs_cil *cil = log->l_cilp; @@ -833,7 +833,7 @@ xfs_log_item_in_current_chkpt( */ int xlog_cil_init( - struct log *log) + struct xlog *log) { struct xfs_cil *cil; struct xfs_cil_ctx *ctx; @@ -869,7 +869,7 @@ xlog_cil_init( void xlog_cil_destroy( - struct log *log) + struct xlog *log) { if (log->l_cilp->xc_ctx) { if (log->l_cilp->xc_ctx->ticket) diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index 5bc33261f5be..72eba2201b14 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -19,7 +19,7 @@ #define __XFS_LOG_PRIV_H__ struct xfs_buf; -struct log; +struct xlog; struct xlog_ticket; struct xfs_mount; @@ -352,7 +352,7 @@ typedef struct xlog_in_core { struct xlog_in_core *ic_next; struct xlog_in_core *ic_prev; struct xfs_buf *ic_bp; - struct log *ic_log; + struct xlog *ic_log; int ic_size; int ic_offset; int ic_bwritecnt; @@ -409,7 +409,7 @@ struct xfs_cil_ctx { * operations almost as efficient as the old logging methods. */ struct xfs_cil { - struct log *xc_log; + struct xlog *xc_log; struct list_head xc_cil; spinlock_t xc_cil_lock; struct xfs_cil_ctx *xc_ctx; @@ -487,7 +487,7 @@ struct xlog_grant_head { * overflow 31 bits worth of byte offset, so using a byte number will mean * that round off problems won't occur when releasing partial reservations. */ -typedef struct log { +typedef struct xlog { /* The following fields don't need locking */ struct xfs_mount *l_mp; /* mount point */ struct xfs_ail *l_ailp; /* AIL log is working with */ @@ -553,9 +553,14 @@ extern int xlog_recover_finish(xlog_t *log); extern void xlog_pack_data(xlog_t *log, xlog_in_core_t *iclog, int); extern kmem_zone_t *xfs_log_ticket_zone; -struct xlog_ticket *xlog_ticket_alloc(struct log *log, int unit_bytes, - int count, char client, bool permanent, - xfs_km_flags_t alloc_flags); +struct xlog_ticket * +xlog_ticket_alloc( + struct xlog *log, + int unit_bytes, + int count, + char client, + bool permanent, + xfs_km_flags_t alloc_flags); static inline void @@ -567,9 +572,14 @@ xlog_write_adv_cnt(void **ptr, int *len, int *off, size_t bytes) } void xlog_print_tic_res(struct xfs_mount *mp, struct xlog_ticket *ticket); -int xlog_write(struct log *log, struct xfs_log_vec *log_vector, - struct xlog_ticket *tic, xfs_lsn_t *start_lsn, - xlog_in_core_t **commit_iclog, uint flags); +int +xlog_write( + struct xlog *log, + struct xfs_log_vec *log_vector, + struct xlog_ticket *tic, + xfs_lsn_t *start_lsn, + struct xlog_in_core **commit_iclog, + uint flags); /* * When we crack an atomic LSN, we sample it first so that the value will not @@ -629,17 +639,23 @@ xlog_assign_grant_head(atomic64_t *head, int cycle, int space) /* * Committed Item List interfaces */ -int xlog_cil_init(struct log *log); -void xlog_cil_init_post_recovery(struct log *log); -void xlog_cil_destroy(struct log *log); +int +xlog_cil_init(struct xlog *log); +void +xlog_cil_init_post_recovery(struct xlog *log); +void +xlog_cil_destroy(struct xlog *log); /* * CIL force routines */ -xfs_lsn_t xlog_cil_force_lsn(struct log *log, xfs_lsn_t sequence); +xfs_lsn_t +xlog_cil_force_lsn( + struct xlog *log, + xfs_lsn_t sequence); static inline void -xlog_cil_force(struct log *log) +xlog_cil_force(struct xlog *log) { xlog_cil_force_lsn(log, log->l_cilp->xc_current_sequence); } diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index ca386909131a..a7be98abd6a9 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -1471,8 +1471,8 @@ xlog_recover_add_item( STATIC int xlog_recover_add_to_cont_trans( - struct log *log, - xlog_recover_t *trans, + struct xlog *log, + struct xlog_recover *trans, xfs_caddr_t dp, int len) { @@ -1517,8 +1517,8 @@ xlog_recover_add_to_cont_trans( */ STATIC int xlog_recover_add_to_trans( - struct log *log, - xlog_recover_t *trans, + struct xlog *log, + struct xlog_recover *trans, xfs_caddr_t dp, int len) { @@ -1588,8 +1588,8 @@ xlog_recover_add_to_trans( */ STATIC int xlog_recover_reorder_trans( - struct log *log, - xlog_recover_t *trans, + struct xlog *log, + struct xlog_recover *trans, int pass) { xlog_recover_item_t *item, *n; @@ -1642,8 +1642,8 @@ xlog_recover_reorder_trans( */ STATIC int xlog_recover_buffer_pass1( - struct log *log, - xlog_recover_item_t *item) + struct xlog *log, + struct xlog_recover_item *item) { xfs_buf_log_format_t *buf_f = item->ri_buf[0].i_addr; struct list_head *bucket; @@ -1696,7 +1696,7 @@ xlog_recover_buffer_pass1( */ STATIC int xlog_check_buffer_cancelled( - struct log *log, + struct xlog *log, xfs_daddr_t blkno, uint len, ushort flags) @@ -2689,9 +2689,9 @@ xlog_recover_free_trans( STATIC int xlog_recover_commit_pass1( - struct log *log, - struct xlog_recover *trans, - xlog_recover_item_t *item) + struct xlog *log, + struct xlog_recover *trans, + struct xlog_recover_item *item) { trace_xfs_log_recover_item_recover(log, trans, item, XLOG_RECOVER_PASS1); @@ -2716,10 +2716,10 @@ xlog_recover_commit_pass1( STATIC int xlog_recover_commit_pass2( - struct log *log, - struct xlog_recover *trans, - struct list_head *buffer_list, - xlog_recover_item_t *item) + struct xlog *log, + struct xlog_recover *trans, + struct list_head *buffer_list, + struct xlog_recover_item *item) { trace_xfs_log_recover_item_recover(log, trans, item, XLOG_RECOVER_PASS2); @@ -2753,7 +2753,7 @@ xlog_recover_commit_pass2( */ STATIC int xlog_recover_commit_trans( - struct log *log, + struct xlog *log, struct xlog_recover *trans, int pass) { @@ -2793,8 +2793,8 @@ out: STATIC int xlog_recover_unmount_trans( - struct log *log, - xlog_recover_t *trans) + struct xlog *log, + struct xlog_recover *trans) { /* Do nothing now */ xfs_warn(log->l_mp, "%s: Unmount LR", __func__); diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 8b89c5ac72d9..90c1fc9eaea4 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -53,7 +53,7 @@ typedef struct xfs_trans_reservations { #include "xfs_sync.h" -struct log; +struct xlog; struct xfs_mount_args; struct xfs_inode; struct xfs_bmbt_irec; @@ -133,7 +133,7 @@ typedef struct xfs_mount { uint m_readio_blocks; /* min read size blocks */ uint m_writeio_log; /* min write size log bytes */ uint m_writeio_blocks; /* min write size blocks */ - struct log *m_log; /* log specific stuff */ + struct xlog *m_log; /* log specific stuff */ int m_logbufs; /* number of log buffers */ int m_logbsize; /* size of each log buffer */ uint m_rsumlevels; /* rt summary levels */ diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c index c9d3409c5ca3..1e9ee064dbb2 100644 --- a/fs/xfs/xfs_sync.c +++ b/fs/xfs/xfs_sync.c @@ -386,23 +386,23 @@ xfs_sync_worker( * We shouldn't write/force the log if we are in the mount/unmount * process or on a read only filesystem. The workqueue still needs to be * active in both cases, however, because it is used for inode reclaim - * during these times. Use the s_umount semaphore to provide exclusion - * with unmount. + * during these times. Use the MS_ACTIVE flag to avoid doing anything + * during mount. Doing work during unmount is avoided by calling + * cancel_delayed_work_sync on this work queue before tearing down + * the ail and the log in xfs_log_unmount. */ - if (down_read_trylock(&mp->m_super->s_umount)) { - if (!(mp->m_flags & XFS_MOUNT_RDONLY)) { - /* dgc: errors ignored here */ - if (mp->m_super->s_frozen == SB_UNFROZEN && - xfs_log_need_covered(mp)) - error = xfs_fs_log_dummy(mp); - else - xfs_log_force(mp, 0); - - /* start pushing all the metadata that is currently - * dirty */ - xfs_ail_push_all(mp->m_ail); - } - up_read(&mp->m_super->s_umount); + if (!(mp->m_super->s_flags & MS_ACTIVE) && + !(mp->m_flags & XFS_MOUNT_RDONLY)) { + /* dgc: errors ignored here */ + if (mp->m_super->s_frozen == SB_UNFROZEN && + xfs_log_need_covered(mp)) + error = xfs_fs_log_dummy(mp); + else + xfs_log_force(mp, 0); + + /* start pushing all the metadata that is currently + * dirty */ + xfs_ail_push_all(mp->m_ail); } /* queue us up again */ diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 7cf9d3529e51..caf5dabfd553 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -32,7 +32,7 @@ struct xfs_da_node_entry; struct xfs_dquot; struct xfs_log_item; struct xlog_ticket; -struct log; +struct xlog; struct xlog_recover; struct xlog_recover_item; struct xfs_buf_log_format; @@ -762,7 +762,7 @@ DEFINE_DQUOT_EVENT(xfs_dqflush_force); DEFINE_DQUOT_EVENT(xfs_dqflush_done); DECLARE_EVENT_CLASS(xfs_loggrant_class, - TP_PROTO(struct log *log, struct xlog_ticket *tic), + TP_PROTO(struct xlog *log, struct xlog_ticket *tic), TP_ARGS(log, tic), TP_STRUCT__entry( __field(dev_t, dev) @@ -830,7 +830,7 @@ DECLARE_EVENT_CLASS(xfs_loggrant_class, #define DEFINE_LOGGRANT_EVENT(name) \ DEFINE_EVENT(xfs_loggrant_class, name, \ - TP_PROTO(struct log *log, struct xlog_ticket *tic), \ + TP_PROTO(struct xlog *log, struct xlog_ticket *tic), \ TP_ARGS(log, tic)) DEFINE_LOGGRANT_EVENT(xfs_log_done_nonperm); DEFINE_LOGGRANT_EVENT(xfs_log_done_perm); @@ -1664,7 +1664,7 @@ DEFINE_SWAPEXT_EVENT(xfs_swap_extent_before); DEFINE_SWAPEXT_EVENT(xfs_swap_extent_after); DECLARE_EVENT_CLASS(xfs_log_recover_item_class, - TP_PROTO(struct log *log, struct xlog_recover *trans, + TP_PROTO(struct xlog *log, struct xlog_recover *trans, struct xlog_recover_item *item, int pass), TP_ARGS(log, trans, item, pass), TP_STRUCT__entry( @@ -1698,7 +1698,7 @@ DECLARE_EVENT_CLASS(xfs_log_recover_item_class, #define DEFINE_LOG_RECOVER_ITEM(name) \ DEFINE_EVENT(xfs_log_recover_item_class, name, \ - TP_PROTO(struct log *log, struct xlog_recover *trans, \ + TP_PROTO(struct xlog *log, struct xlog_recover *trans, \ struct xlog_recover_item *item, int pass), \ TP_ARGS(log, trans, item, pass)) @@ -1709,7 +1709,7 @@ DEFINE_LOG_RECOVER_ITEM(xfs_log_recover_item_reorder_tail); DEFINE_LOG_RECOVER_ITEM(xfs_log_recover_item_recover); DECLARE_EVENT_CLASS(xfs_log_recover_buf_item_class, - TP_PROTO(struct log *log, struct xfs_buf_log_format *buf_f), + TP_PROTO(struct xlog *log, struct xfs_buf_log_format *buf_f), TP_ARGS(log, buf_f), TP_STRUCT__entry( __field(dev_t, dev) @@ -1739,7 +1739,7 @@ DECLARE_EVENT_CLASS(xfs_log_recover_buf_item_class, #define DEFINE_LOG_RECOVER_BUF_ITEM(name) \ DEFINE_EVENT(xfs_log_recover_buf_item_class, name, \ - TP_PROTO(struct log *log, struct xfs_buf_log_format *buf_f), \ + TP_PROTO(struct xlog *log, struct xfs_buf_log_format *buf_f), \ TP_ARGS(log, buf_f)) DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_not_cancel); @@ -1752,7 +1752,7 @@ DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_reg_buf); DEFINE_LOG_RECOVER_BUF_ITEM(xfs_log_recover_buf_dquot_buf); DECLARE_EVENT_CLASS(xfs_log_recover_ino_item_class, - TP_PROTO(struct log *log, struct xfs_inode_log_format *in_f), + TP_PROTO(struct xlog *log, struct xfs_inode_log_format *in_f), TP_ARGS(log, in_f), TP_STRUCT__entry( __field(dev_t, dev) @@ -1790,7 +1790,7 @@ DECLARE_EVENT_CLASS(xfs_log_recover_ino_item_class, ) #define DEFINE_LOG_RECOVER_INO_ITEM(name) \ DEFINE_EVENT(xfs_log_recover_ino_item_class, name, \ - TP_PROTO(struct log *log, struct xfs_inode_log_format *in_f), \ + TP_PROTO(struct xlog *log, struct xfs_inode_log_format *in_f), \ TP_ARGS(log, in_f)) DEFINE_LOG_RECOVER_INO_ITEM(xfs_log_recover_inode_recover); |