diff options
Diffstat (limited to 'fs/sysv')
-rw-r--r-- | fs/sysv/Kconfig | 2 | ||||
-rw-r--r-- | fs/sysv/file.c | 7 | ||||
-rw-r--r-- | fs/sysv/ialloc.c | 2 | ||||
-rw-r--r-- | fs/sysv/inode.c | 5 | ||||
-rw-r--r-- | fs/sysv/itree.c | 18 | ||||
-rw-r--r-- | fs/sysv/namei.c | 21 | ||||
-rw-r--r-- | fs/sysv/super.c | 10 | ||||
-rw-r--r-- | fs/sysv/sysv.h | 3 |
8 files changed, 37 insertions, 31 deletions
diff --git a/fs/sysv/Kconfig b/fs/sysv/Kconfig index d4edf7d9ae10..b4e23e03fbeb 100644 --- a/fs/sysv/Kconfig +++ b/fs/sysv/Kconfig @@ -28,7 +28,7 @@ config SYSV_FS tar" or preferably "info tar"). Note also that this option has nothing whatsoever to do with the option "System V IPC". Read about the System V file system in - <file:Documentation/filesystems/sysv-fs.txt>. + <file:Documentation/filesystems/sysv-fs.rst>. Saying Y here will enlarge your kernel by about 27 KB. To compile this as a module, choose M here: the module will be called diff --git a/fs/sysv/file.c b/fs/sysv/file.c index 45fc79a18594..90e00124ea07 100644 --- a/fs/sysv/file.c +++ b/fs/sysv/file.c @@ -29,12 +29,13 @@ const struct file_operations sysv_file_operations = { .splice_read = generic_file_splice_read, }; -static int sysv_setattr(struct dentry *dentry, struct iattr *attr) +static int sysv_setattr(struct user_namespace *mnt_userns, + struct dentry *dentry, struct iattr *attr) { struct inode *inode = d_inode(dentry); int error; - error = setattr_prepare(dentry, attr); + error = setattr_prepare(&init_user_ns, dentry, attr); if (error) return error; @@ -47,7 +48,7 @@ static int sysv_setattr(struct dentry *dentry, struct iattr *attr) sysv_truncate(inode); } - setattr_copy(inode, attr); + setattr_copy(&init_user_ns, inode, attr); mark_inode_dirty(inode); return 0; } diff --git a/fs/sysv/ialloc.c b/fs/sysv/ialloc.c index 6c9801986af6..50df794a3c1f 100644 --- a/fs/sysv/ialloc.c +++ b/fs/sysv/ialloc.c @@ -163,7 +163,7 @@ struct inode * sysv_new_inode(const struct inode * dir, umode_t mode) *sbi->s_sb_fic_count = cpu_to_fs16(sbi, count); fs16_add(sbi, sbi->s_sb_total_free_inodes, -1); dirty_sb(sb); - inode_init_owner(inode, dir, mode); + inode_init_owner(&init_user_ns, inode, dir, mode); inode->i_ino = fs16_to_cpu(sbi, ino); inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_blocks = 0; diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 02b1d9d0c182..9e8d4a6fb2f3 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -98,8 +98,7 @@ static int sysv_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_files = sbi->s_ninodes; buf->f_ffree = sysv_count_free_inodes(sb); buf->f_namelen = SYSV_NAMELEN; - buf->f_fsid.val[0] = (u32)id; - buf->f_fsid.val[1] = (u32)(id >> 32); + buf->f_fsid = u64_to_fsid(id); return 0; } @@ -307,7 +306,7 @@ static struct inode *sysv_alloc_inode(struct super_block *sb) { struct sysv_inode_info *si; - si = kmem_cache_alloc(sysv_inode_cachep, GFP_KERNEL); + si = alloc_inode_sb(sb, sysv_inode_cachep, GFP_KERNEL); if (!si) return NULL; return &si->vfs_inode; diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index bcb67b0cabe7..d4ec9bb97de9 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -441,11 +441,11 @@ static unsigned sysv_nblocks(struct super_block *s, loff_t size) return blocks; } -int sysv_getattr(const struct path *path, struct kstat *stat, - u32 request_mask, unsigned int flags) +int sysv_getattr(struct user_namespace *mnt_userns, const struct path *path, + struct kstat *stat, u32 request_mask, unsigned int flags) { struct super_block *s = path->dentry->d_sb; - generic_fillattr(d_inode(path->dentry), stat); + generic_fillattr(&init_user_ns, d_inode(path->dentry), stat); stat->blocks = (s->s_blocksize / 512) * sysv_nblocks(s, stat->size); stat->blksize = s->s_blocksize; return 0; @@ -456,9 +456,9 @@ static int sysv_writepage(struct page *page, struct writeback_control *wbc) return block_write_full_page(page,get_block,wbc); } -static int sysv_readpage(struct file *file, struct page *page) +static int sysv_read_folio(struct file *file, struct folio *folio) { - return block_read_full_page(page,get_block); + return block_read_full_folio(folio, get_block); } int sysv_prepare_chunk(struct page *page, loff_t pos, unsigned len) @@ -477,12 +477,12 @@ static void sysv_write_failed(struct address_space *mapping, loff_t to) } static int sysv_write_begin(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned flags, + loff_t pos, unsigned len, struct page **pagep, void **fsdata) { int ret; - ret = block_write_begin(mapping, pos, len, flags, pagep, get_block); + ret = block_write_begin(mapping, pos, len, pagep, get_block); if (unlikely(ret)) sysv_write_failed(mapping, pos + len); @@ -495,7 +495,9 @@ static sector_t sysv_bmap(struct address_space *mapping, sector_t block) } const struct address_space_operations sysv_aops = { - .readpage = sysv_readpage, + .dirty_folio = block_dirty_folio, + .invalidate_folio = block_invalidate_folio, + .read_folio = sysv_read_folio, .writepage = sysv_writepage, .write_begin = sysv_write_begin, .write_end = generic_write_end, diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index ea2414b385ec..b2e6abc06a2d 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -41,7 +41,8 @@ static struct dentry *sysv_lookup(struct inode * dir, struct dentry * dentry, un return d_splice_alias(inode, dentry); } -static int sysv_mknod(struct inode * dir, struct dentry * dentry, umode_t mode, dev_t rdev) +static int sysv_mknod(struct user_namespace *mnt_userns, struct inode *dir, + struct dentry *dentry, umode_t mode, dev_t rdev) { struct inode * inode; int err; @@ -60,13 +61,14 @@ 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, bool excl) +static int sysv_create(struct user_namespace *mnt_userns, struct inode *dir, + struct dentry *dentry, umode_t mode, bool excl) { - return sysv_mknod(dir, dentry, mode, 0); + return sysv_mknod(&init_user_ns, dir, dentry, mode, 0); } -static int sysv_symlink(struct inode * dir, struct dentry * dentry, - const char * symname) +static int sysv_symlink(struct user_namespace *mnt_userns, struct inode *dir, + struct dentry *dentry, const char *symname) { int err = -ENAMETOOLONG; int l = strlen(symname)+1; @@ -108,7 +110,8 @@ static int sysv_link(struct dentry * old_dentry, struct inode * dir, return add_nondir(dentry, inode); } -static int sysv_mkdir(struct inode * dir, struct dentry *dentry, umode_t mode) +static int sysv_mkdir(struct user_namespace *mnt_userns, struct inode *dir, + struct dentry *dentry, umode_t mode) { struct inode * inode; int err; @@ -186,9 +189,9 @@ static int sysv_rmdir(struct inode * dir, struct dentry * dentry) * Anybody can rename anything with this: the permission checks are left to the * higher-level routines. */ -static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry, - struct inode * new_dir, struct dentry * new_dentry, - unsigned int flags) +static int sysv_rename(struct user_namespace *mnt_userns, struct inode *old_dir, + struct dentry *old_dentry, struct inode *new_dir, + struct dentry *new_dentry, unsigned int flags) { struct inode * old_inode = d_inode(old_dentry); struct inode * new_inode = d_inode(new_dentry); diff --git a/fs/sysv/super.c b/fs/sysv/super.c index cc8e2ed155c8..3365a30dc1e0 100644 --- a/fs/sysv/super.c +++ b/fs/sysv/super.c @@ -312,7 +312,9 @@ static int complete_read_super(struct super_block *sb, int silent, int size) sbi->s_firstinodezone = 2; flavour_setup[sbi->s_type](sbi, &sb->s_max_links); - + if (sbi->s_firstdatazone < sbi->s_firstinodezone) + return 0; + sbi->s_ndatazones = sbi->s_nzones - sbi->s_firstdatazone; sbi->s_inodes_per_block = bsize >> 6; sbi->s_inodes_per_block_1 = (bsize >> 6)-1; @@ -474,10 +476,8 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent) struct sysv_sb_info *sbi; struct buffer_head *bh; - if (440 != sizeof (struct v7_super_block)) - panic("V7 FS: bad super-block size"); - if (64 != sizeof (struct sysv_inode)) - panic("sysv fs: bad i-node size"); + BUILD_BUG_ON(sizeof(struct v7_super_block) != 440); + BUILD_BUG_ON(sizeof(struct sysv_inode) != 64); sbi = kzalloc(sizeof(struct sysv_sb_info), GFP_KERNEL); if (!sbi) diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h index 1cff585526b1..99ddf033da4f 100644 --- a/fs/sysv/sysv.h +++ b/fs/sysv/sysv.h @@ -141,7 +141,8 @@ extern struct inode *sysv_iget(struct super_block *, unsigned int); extern int sysv_write_inode(struct inode *, struct writeback_control *wbc); extern int sysv_sync_inode(struct inode *); extern void sysv_set_inode(struct inode *, dev_t); -extern int sysv_getattr(const struct path *, struct kstat *, u32, unsigned int); +extern int sysv_getattr(struct user_namespace *, const struct path *, + struct kstat *, u32, unsigned int); extern int sysv_init_icache(void); extern void sysv_destroy_icache(void); |