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-rw-r--r--fs/ocfs2/Kconfig10
-rw-r--r--fs/ocfs2/acl.c17
-rw-r--r--fs/ocfs2/acl.h9
-rw-r--r--fs/ocfs2/alloc.c96
-rw-r--r--fs/ocfs2/alloc.h4
-rw-r--r--fs/ocfs2/aops.c132
-rw-r--r--fs/ocfs2/aops.h4
-rw-r--r--fs/ocfs2/blockcheck.c8
-rw-r--r--fs/ocfs2/blockcheck.h4
-rw-r--r--fs/ocfs2/buffer_head_io.c12
-rw-r--r--fs/ocfs2/buffer_head_io.h4
-rw-r--r--fs/ocfs2/cluster/heartbeat.c138
-rw-r--r--fs/ocfs2/cluster/heartbeat.h4
-rw-r--r--fs/ocfs2/cluster/masklog.c15
-rw-r--r--fs/ocfs2/cluster/masklog.h4
-rw-r--r--fs/ocfs2/cluster/netdebug.c8
-rw-r--r--fs/ocfs2/cluster/nodemanager.c8
-rw-r--r--fs/ocfs2/cluster/nodemanager.h4
-rw-r--r--fs/ocfs2/cluster/ocfs2_heartbeat.h4
-rw-r--r--fs/ocfs2/cluster/ocfs2_nodemanager.h4
-rw-r--r--fs/ocfs2/cluster/quorum.c6
-rw-r--r--fs/ocfs2/cluster/quorum.h4
-rw-r--r--fs/ocfs2/cluster/sys.c4
-rw-r--r--fs/ocfs2/cluster/sys.h4
-rw-r--r--fs/ocfs2/cluster/tcp.c74
-rw-r--r--fs/ocfs2/cluster/tcp.h6
-rw-r--r--fs/ocfs2/cluster/tcp_internal.h4
-rw-r--r--fs/ocfs2/dcache.c4
-rw-r--r--fs/ocfs2/dcache.h4
-rw-r--r--fs/ocfs2/dir.c38
-rw-r--r--fs/ocfs2/dir.h4
-rw-r--r--fs/ocfs2/dlm/dlmapi.h4
-rw-r--r--fs/ocfs2/dlm/dlmast.c14
-rw-r--r--fs/ocfs2/dlm/dlmcommon.h16
-rw-r--r--fs/ocfs2/dlm/dlmconvert.c4
-rw-r--r--fs/ocfs2/dlm/dlmconvert.h4
-rw-r--r--fs/ocfs2/dlm/dlmdebug.c116
-rw-r--r--fs/ocfs2/dlm/dlmdebug.h4
-rw-r--r--fs/ocfs2/dlm/dlmdomain.c8
-rw-r--r--fs/ocfs2/dlm/dlmdomain.h4
-rw-r--r--fs/ocfs2/dlm/dlmlock.c4
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c27
-rw-r--r--fs/ocfs2/dlm/dlmrecovery.c14
-rw-r--r--fs/ocfs2/dlm/dlmthread.c9
-rw-r--r--fs/ocfs2/dlm/dlmunlock.c25
-rw-r--r--fs/ocfs2/dlmfs/dlmfs.c118
-rw-r--r--fs/ocfs2/dlmfs/userdlm.c33
-rw-r--r--fs/ocfs2/dlmfs/userdlm.h8
-rw-r--r--fs/ocfs2/dlmglue.c68
-rw-r--r--fs/ocfs2/dlmglue.h4
-rw-r--r--fs/ocfs2/export.c4
-rw-r--r--fs/ocfs2/export.h4
-rw-r--r--fs/ocfs2/extent_map.c12
-rw-r--r--fs/ocfs2/extent_map.h4
-rw-r--r--fs/ocfs2/file.c133
-rw-r--r--fs/ocfs2/file.h15
-rw-r--r--fs/ocfs2/filecheck.c13
-rw-r--r--fs/ocfs2/filecheck.h4
-rw-r--r--fs/ocfs2/heartbeat.c31
-rw-r--r--fs/ocfs2/heartbeat.h4
-rw-r--r--fs/ocfs2/inode.c8
-rw-r--r--fs/ocfs2/inode.h4
-rw-r--r--fs/ocfs2/ioctl.c64
-rw-r--r--fs/ocfs2/ioctl.h3
-rw-r--r--fs/ocfs2/journal.c86
-rw-r--r--fs/ocfs2/journal.h9
-rw-r--r--fs/ocfs2/localalloc.c12
-rw-r--r--fs/ocfs2/localalloc.h4
-rw-r--r--fs/ocfs2/locks.c8
-rw-r--r--fs/ocfs2/locks.h4
-rw-r--r--fs/ocfs2/mmap.c6
-rw-r--r--fs/ocfs2/move_extents.c4
-rw-r--r--fs/ocfs2/move_extents.h4
-rw-r--r--fs/ocfs2/namei.c75
-rw-r--r--fs/ocfs2/namei.h4
-rw-r--r--fs/ocfs2/ocfs1_fs_compat.h4
-rw-r--r--fs/ocfs2/ocfs2.h13
-rw-r--r--fs/ocfs2/ocfs2_fs.h34
-rw-r--r--fs/ocfs2/ocfs2_ioctl.h12
-rw-r--r--fs/ocfs2/ocfs2_lockid.h4
-rw-r--r--fs/ocfs2/ocfs2_lockingver.h4
-rw-r--r--fs/ocfs2/quota_global.c28
-rw-r--r--fs/ocfs2/quota_local.c10
-rw-r--r--fs/ocfs2/refcounttree.c64
-rw-r--r--fs/ocfs2/refcounttree.h4
-rw-r--r--fs/ocfs2/reservations.c11
-rw-r--r--fs/ocfs2/reservations.h13
-rw-r--r--fs/ocfs2/resize.c4
-rw-r--r--fs/ocfs2/resize.h4
-rw-r--r--fs/ocfs2/slot_map.c4
-rw-r--r--fs/ocfs2/slot_map.h4
-rw-r--r--fs/ocfs2/stack_o2cb.c40
-rw-r--r--fs/ocfs2/stack_user.c24
-rw-r--r--fs/ocfs2/stackglue.c56
-rw-r--r--fs/ocfs2/stackglue.h4
-rw-r--r--fs/ocfs2/suballoc.c27
-rw-r--r--fs/ocfs2/suballoc.h8
-rw-r--r--fs/ocfs2/super.c308
-rw-r--r--fs/ocfs2/super.h4
-rw-r--r--fs/ocfs2/symlink.c9
-rw-r--r--fs/ocfs2/symlink.h4
-rw-r--r--fs/ocfs2/sysfile.c4
-rw-r--r--fs/ocfs2/sysfile.h4
-rw-r--r--fs/ocfs2/uptodate.c4
-rw-r--r--fs/ocfs2/uptodate.h4
-rw-r--r--fs/ocfs2/xattr.c11
-rw-r--r--fs/ocfs2/xattr.h4
107 files changed, 1044 insertions, 1332 deletions
diff --git a/fs/ocfs2/Kconfig b/fs/ocfs2/Kconfig
index 46bba20da6b5..5d11380d8724 100644
--- a/fs/ocfs2/Kconfig
+++ b/fs/ocfs2/Kconfig
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config OCFS2_FS
tristate "OCFS2 file system support"
- depends on NET && SYSFS && CONFIGFS_FS
+ depends on INET && SYSFS && CONFIGFS_FS
select JBD2
select CRC32
select QUOTA
@@ -16,12 +16,12 @@ config OCFS2_FS
You'll want to install the ocfs2-tools package in order to at least
get "mount.ocfs2".
- Project web page: http://oss.oracle.com/projects/ocfs2
- Tools web page: http://oss.oracle.com/projects/ocfs2-tools
- OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/
+ Project web page: https://oss.oracle.com/projects/ocfs2
+ Tools web page: https://oss.oracle.com/projects/ocfs2-tools
+ OCFS2 mailing lists: https://oss.oracle.com/projects/ocfs2/mailman/
For more information on OCFS2, see the file
- <file:Documentation/filesystems/ocfs2.txt>.
+ <file:Documentation/filesystems/ocfs2.rst>.
config OCFS2_FS_O2CB
tristate "O2CB Kernelspace Clustering"
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index bb981ec76456..23a72a423955 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* acl.c
*
* Copyright (C) 2004, 2008 Oracle. All rights reserved.
@@ -256,11 +254,14 @@ static int ocfs2_set_acl(handle_t *handle,
ret = ocfs2_xattr_set(inode, name_index, "", value, size, 0);
kfree(value);
+ if (!ret)
+ set_cached_acl(inode, type, acl);
return ret;
}
-int ocfs2_iop_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+int ocfs2_iop_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type)
{
struct buffer_head *bh = NULL;
int status, had_lock;
@@ -272,7 +273,8 @@ int ocfs2_iop_set_acl(struct inode *inode, struct posix_acl *acl, int type)
if (type == ACL_TYPE_ACCESS && acl) {
umode_t mode;
- status = posix_acl_update_mode(inode, &mode, &acl);
+ status = posix_acl_update_mode(&init_user_ns, inode, &mode,
+ &acl);
if (status)
goto unlock;
@@ -287,7 +289,7 @@ unlock:
return status;
}
-struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type)
+struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type, bool rcu)
{
struct ocfs2_super *osb;
struct buffer_head *di_bh = NULL;
@@ -295,6 +297,9 @@ struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type)
int had_lock;
struct ocfs2_lock_holder oh;
+ if (rcu)
+ return ERR_PTR(-ECHILD);
+
osb = OCFS2_SB(inode->i_sb);
if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
return NULL;
diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h
index 127b13432146..95a57c888ab6 100644
--- a/fs/ocfs2/acl.h
+++ b/fs/ocfs2/acl.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* acl.h
*
* Copyright (C) 2004, 2008 Oracle. All rights reserved.
@@ -18,8 +16,9 @@ struct ocfs2_acl_entry {
__le32 e_id;
};
-struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type);
-int ocfs2_iop_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type, bool rcu);
+int ocfs2_iop_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+ struct posix_acl *acl, int type);
extern int ocfs2_acl_chmod(struct inode *, struct buffer_head *);
extern int ocfs2_init_acl(handle_t *, struct inode *, struct inode *,
struct buffer_head *, struct buffer_head *,
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 88534eb0e7c2..51c93929a146 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* alloc.c
*
* Extent allocs and frees
@@ -1060,7 +1058,6 @@ bail:
brelse(bhs[i]);
bhs[i] = NULL;
}
- mlog_errno(status);
}
return status;
}
@@ -2043,7 +2040,7 @@ static void ocfs2_complete_edge_insert(handle_t *handle,
int i, idx;
struct ocfs2_extent_list *el, *left_el, *right_el;
struct ocfs2_extent_rec *left_rec, *right_rec;
- struct buffer_head *root_bh = left_path->p_node[subtree_index].bh;
+ struct buffer_head *root_bh;
/*
* Update the counts and position values within all the
@@ -3942,7 +3939,7 @@ rotate:
* above.
*
* This leaf needs to have space, either by the empty 1st
- * extent record, or by virtue of an l_next_rec < l_count.
+ * extent record, or by virtue of an l_next_free_rec < l_count.
*/
ocfs2_rotate_leaf(el, insert_rec);
}
@@ -4708,7 +4705,7 @@ int ocfs2_insert_extent(handle_t *handle,
struct ocfs2_alloc_context *meta_ac)
{
int status;
- int uninitialized_var(free_records);
+ int free_records;
struct buffer_head *last_eb_bh = NULL;
struct ocfs2_insert_type insert = {0, };
struct ocfs2_extent_rec rec;
@@ -5943,6 +5940,7 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb,
status = ocfs2_journal_access_di(handle, INODE_CACHE(tl_inode), tl_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (status < 0) {
+ ocfs2_commit_trans(osb, handle);
mlog_errno(status);
goto bail;
}
@@ -5967,6 +5965,7 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb,
data_alloc_bh, start_blk,
num_clusters);
if (status < 0) {
+ ocfs2_commit_trans(osb, handle);
mlog_errno(status);
goto bail;
}
@@ -5982,7 +5981,7 @@ bail:
return status;
}
-/* Expects you to already be holding tl_inode->i_mutex */
+/* Expects you to already be holding tl_inode->i_rwsem */
int __ocfs2_flush_truncate_log(struct ocfs2_super *osb)
{
int status;
@@ -6014,14 +6013,14 @@ int __ocfs2_flush_truncate_log(struct ocfs2_super *osb)
goto out;
}
- /* Appending truncate log(TA) and and flushing truncate log(TF) are
+ /* Appending truncate log(TA) and flushing truncate log(TF) are
* two separated transactions. They can be both committed but not
* checkpointed. If crash occurs then, both two transaction will be
* replayed with several already released to global bitmap clusters.
* Then truncate log will be replayed resulting in cluster double free.
*/
jbd2_journal_lock_updates(journal->j_journal);
- status = jbd2_journal_flush(journal->j_journal);
+ status = jbd2_journal_flush(journal->j_journal, 0);
jbd2_journal_unlock_updates(journal->j_journal);
if (status < 0) {
mlog_errno(status);
@@ -6924,13 +6923,12 @@ static int ocfs2_grab_eof_pages(struct inode *inode, loff_t start, loff_t end,
}
/*
- * Zero the area past i_size but still within an allocated
- * cluster. This avoids exposing nonzero data on subsequent file
- * extends.
+ * Zero partial cluster for a hole punch or truncate. This avoids exposing
+ * nonzero data on subsequent file extends.
*
* We need to call this before i_size is updated on the inode because
* otherwise block_write_full_page() will skip writeout of pages past
- * i_size. The new_i_size parameter is passed for this reason.
+ * i_size.
*/
int ocfs2_zero_range_for_truncate(struct inode *inode, handle_t *handle,
u64 range_start, u64 range_end)
@@ -6948,6 +6946,15 @@ int ocfs2_zero_range_for_truncate(struct inode *inode, handle_t *handle,
if (!ocfs2_sparse_alloc(OCFS2_SB(sb)))
return 0;
+ /*
+ * Avoid zeroing pages fully beyond current i_size. It is pointless as
+ * underlying blocks of those pages should be already zeroed out and
+ * page writeback will skip them anyway.
+ */
+ range_end = min_t(u64, range_end, i_size_read(inode));
+ if (range_start >= range_end)
+ return 0;
+
pages = kcalloc(ocfs2_pages_per_cluster(sb),
sizeof(struct page *), GFP_NOFS);
if (pages == NULL) {
@@ -6956,9 +6963,6 @@ int ocfs2_zero_range_for_truncate(struct inode *inode, handle_t *handle,
goto out;
}
- if (range_start == range_end)
- goto out;
-
ret = ocfs2_extent_map_get_blocks(inode,
range_start >> sb->s_blocksize_bits,
&phys, NULL, &ext_flags);
@@ -7048,35 +7052,26 @@ void ocfs2_set_inode_data_inline(struct inode *inode, struct ocfs2_dinode *di)
int ocfs2_convert_inline_data_to_extents(struct inode *inode,
struct buffer_head *di_bh)
{
- int ret, i, has_data, num_pages = 0;
+ int ret, has_data, num_pages = 0;
int need_free = 0;
u32 bit_off, num;
handle_t *handle;
- u64 uninitialized_var(block);
+ u64 block;
struct ocfs2_inode_info *oi = OCFS2_I(inode);
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
struct ocfs2_alloc_context *data_ac = NULL;
- struct page **pages = NULL;
- loff_t end = osb->s_clustersize;
+ struct page *page = NULL;
struct ocfs2_extent_tree et;
int did_quota = 0;
has_data = i_size_read(inode) ? 1 : 0;
if (has_data) {
- pages = kcalloc(ocfs2_pages_per_cluster(osb->sb),
- sizeof(struct page *), GFP_NOFS);
- if (pages == NULL) {
- ret = -ENOMEM;
- mlog_errno(ret);
- return ret;
- }
-
ret = ocfs2_reserve_clusters(osb, 1, &data_ac);
if (ret) {
mlog_errno(ret);
- goto free_pages;
+ goto out;
}
}
@@ -7096,7 +7091,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
}
if (has_data) {
- unsigned int page_end;
+ unsigned int page_end = min_t(unsigned, PAGE_SIZE,
+ osb->s_clustersize);
u64 phys;
ret = dquot_alloc_space_nodirty(inode,
@@ -7120,15 +7116,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
*/
block = phys = ocfs2_clusters_to_blocks(inode->i_sb, bit_off);
- /*
- * Non sparse file systems zero on extend, so no need
- * to do that now.
- */
- if (!ocfs2_sparse_alloc(osb) &&
- PAGE_SIZE < osb->s_clustersize)
- end = PAGE_SIZE;
-
- ret = ocfs2_grab_eof_pages(inode, 0, end, pages, &num_pages);
+ ret = ocfs2_grab_eof_pages(inode, 0, page_end, &page,
+ &num_pages);
if (ret) {
mlog_errno(ret);
need_free = 1;
@@ -7139,20 +7128,15 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
* This should populate the 1st page for us and mark
* it up to date.
*/
- ret = ocfs2_read_inline_data(inode, pages[0], di_bh);
+ ret = ocfs2_read_inline_data(inode, page, di_bh);
if (ret) {
mlog_errno(ret);
need_free = 1;
goto out_unlock;
}
- page_end = PAGE_SIZE;
- if (PAGE_SIZE > osb->s_clustersize)
- page_end = osb->s_clustersize;
-
- for (i = 0; i < num_pages; i++)
- ocfs2_map_and_dirty_page(inode, handle, 0, page_end,
- pages[i], i > 0, &phys);
+ ocfs2_map_and_dirty_page(inode, handle, 0, page_end, page, 0,
+ &phys);
}
spin_lock(&oi->ip_lock);
@@ -7183,8 +7167,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
}
out_unlock:
- if (pages)
- ocfs2_unlock_and_free_pages(pages, num_pages);
+ if (page)
+ ocfs2_unlock_and_free_pages(&page, num_pages);
out_commit:
if (ret < 0 && did_quota)
@@ -7208,8 +7192,6 @@ out_commit:
out:
if (data_ac)
ocfs2_free_alloc_context(data_ac);
-free_pages:
- kfree(pages);
return ret;
}
@@ -7403,6 +7385,10 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh,
struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
struct ocfs2_inline_data *idata = &di->id2.i_data;
+ /* No need to punch hole beyond i_size. */
+ if (start >= i_size_read(inode))
+ return 0;
+
if (end > i_size_read(inode))
end = i_size_read(inode);
@@ -7441,7 +7427,7 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh,
/*
* No need to worry about the data page here - it's been
* truncated already and inline data doesn't need it for
- * pushing zero's to disk, so we'll let readpage pick it up
+ * pushing zero's to disk, so we'll let read_folio pick it up
* later.
*/
if (trunc) {
@@ -7651,8 +7637,10 @@ out_mutex:
* main_bm related locks for avoiding the current IO starve, then go to
* trim the next group
*/
- if (ret >= 0 && group <= last_group)
+ if (ret >= 0 && group <= last_group) {
+ cond_resched();
goto next_group;
+ }
out:
range->len = trimmed * sb->s_blocksize;
return ret;
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h
index 7f973dd76dbc..4af7abaa6e40 100644
--- a/fs/ocfs2/alloc.h
+++ b/fs/ocfs2/alloc.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* alloc.h
*
* Function prototypes
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 3a67a6518ddf..1d65f6ef00ca 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* Copyright (C) 2002, 2004 Oracle. All rights reserved.
*/
@@ -277,17 +275,16 @@ out:
return ret;
}
-static int ocfs2_readpage(struct file *file, struct page *page)
+static int ocfs2_read_folio(struct file *file, struct folio *folio)
{
- struct inode *inode = page->mapping->host;
+ struct inode *inode = folio->mapping->host;
struct ocfs2_inode_info *oi = OCFS2_I(inode);
- loff_t start = (loff_t)page->index << PAGE_SHIFT;
+ loff_t start = folio_pos(folio);
int ret, unlock = 1;
- trace_ocfs2_readpage((unsigned long long)oi->ip_blkno,
- (page ? page->index : 0));
+ trace_ocfs2_readpage((unsigned long long)oi->ip_blkno, folio->index);
- ret = ocfs2_inode_lock_with_page(inode, NULL, 0, page);
+ ret = ocfs2_inode_lock_with_page(inode, NULL, 0, &folio->page);
if (ret != 0) {
if (ret == AOP_TRUNCATED_PAGE)
unlock = 0;
@@ -297,11 +294,11 @@ static int ocfs2_readpage(struct file *file, struct page *page)
if (down_read_trylock(&oi->ip_alloc_sem) == 0) {
/*
- * Unlock the page and cycle ip_alloc_sem so that we don't
+ * Unlock the folio and cycle ip_alloc_sem so that we don't
* busyloop waiting for ip_alloc_sem to unlock
*/
ret = AOP_TRUNCATED_PAGE;
- unlock_page(page);
+ folio_unlock(folio);
unlock = 0;
down_read(&oi->ip_alloc_sem);
up_read(&oi->ip_alloc_sem);
@@ -311,24 +308,24 @@ static int ocfs2_readpage(struct file *file, struct page *page)
/*
* i_size might have just been updated as we grabed the meta lock. We
* might now be discovering a truncate that hit on another node.
- * block_read_full_page->get_block freaks out if it is asked to read
+ * block_read_full_folio->get_block freaks out if it is asked to read
* beyond the end of a file, so we check here. Callers
* (generic_file_read, vm_ops->fault) are clever enough to check i_size
- * and notice that the page they just read isn't needed.
+ * and notice that the folio they just read isn't needed.
*
* XXX sys_readahead() seems to get that wrong?
*/
if (start >= i_size_read(inode)) {
- zero_user(page, 0, PAGE_SIZE);
- SetPageUptodate(page);
+ folio_zero_segment(folio, 0, folio_size(folio));
+ folio_mark_uptodate(folio);
ret = 0;
goto out_alloc;
}
if (oi->ip_dyn_features & OCFS2_INLINE_DATA_FL)
- ret = ocfs2_readpage_inline(inode, page);
+ ret = ocfs2_readpage_inline(inode, &folio->page);
else
- ret = block_read_full_page(page, ocfs2_get_block);
+ ret = block_read_full_folio(folio, ocfs2_get_block);
unlock = 0;
out_alloc:
@@ -337,7 +334,7 @@ out_inode_unlock:
ocfs2_inode_unlock(inode, 0);
out:
if (unlock)
- unlock_page(page);
+ folio_unlock(folio);
return ret;
}
@@ -350,14 +347,11 @@ out:
* grow out to a tree. If need be, detecting boundary extents could
* trivially be added in a future version of ocfs2_get_block().
*/
-static int ocfs2_readpages(struct file *filp, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void ocfs2_readahead(struct readahead_control *rac)
{
- int ret, err = -EIO;
- struct inode *inode = mapping->host;
+ int ret;
+ struct inode *inode = rac->mapping->host;
struct ocfs2_inode_info *oi = OCFS2_I(inode);
- loff_t start;
- struct page *last;
/*
* Use the nonblocking flag for the dlm code to avoid page
@@ -365,36 +359,31 @@ static int ocfs2_readpages(struct file *filp, struct address_space *mapping,
*/
ret = ocfs2_inode_lock_full(inode, NULL, 0, OCFS2_LOCK_NONBLOCK);
if (ret)
- return err;
+ return;
- if (down_read_trylock(&oi->ip_alloc_sem) == 0) {
- ocfs2_inode_unlock(inode, 0);
- return err;
- }
+ if (down_read_trylock(&oi->ip_alloc_sem) == 0)
+ goto out_unlock;
/*
* Don't bother with inline-data. There isn't anything
* to read-ahead in that case anyway...
*/
if (oi->ip_dyn_features & OCFS2_INLINE_DATA_FL)
- goto out_unlock;
+ goto out_up;
/*
* Check whether a remote node truncated this file - we just
* drop out in that case as it's not worth handling here.
*/
- last = lru_to_page(pages);
- start = (loff_t)last->index << PAGE_SHIFT;
- if (start >= i_size_read(inode))
- goto out_unlock;
+ if (readahead_pos(rac) >= i_size_read(inode))
+ goto out_up;
- err = mpage_readpages(mapping, pages, nr_pages, ocfs2_get_block);
+ mpage_readahead(rac, ocfs2_get_block);
-out_unlock:
+out_up:
up_read(&oi->ip_alloc_sem);
+out_unlock:
ocfs2_inode_unlock(inode, 0);
-
- return err;
}
/* Note: Because we don't support holes, our allocation has
@@ -507,11 +496,11 @@ bail:
return status;
}
-static int ocfs2_releasepage(struct page *page, gfp_t wait)
+static bool ocfs2_release_folio(struct folio *folio, gfp_t wait)
{
- if (!page_has_buffers(page))
- return 0;
- return try_to_free_buffers(page);
+ if (!folio_buffers(folio))
+ return false;
+ return try_to_free_buffers(folio);
}
static void ocfs2_figure_cluster_boundaries(struct ocfs2_super *osb,
@@ -642,13 +631,12 @@ int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno,
}
if (PageUptodate(page)) {
- if (!buffer_uptodate(bh))
- set_buffer_uptodate(bh);
+ set_buffer_uptodate(bh);
} else if (!buffer_uptodate(bh) && !buffer_delay(bh) &&
!buffer_new(bh) &&
ocfs2_should_read_blk(inode, page, block_start) &&
(block_start < from || block_end > to)) {
- ll_rw_block(REQ_OP_READ, 0, 1, &bh);
+ bh_read_nowait(bh, 0);
*wait_bh++=bh;
}
@@ -1810,20 +1798,20 @@ try_again:
*/
ret = ocfs2_grab_pages_for_write(mapping, wc, wc->w_cpos, pos, len,
cluster_of_pages, mmap_page);
- if (ret && ret != -EAGAIN) {
- mlog_errno(ret);
- goto out_quota;
- }
+ if (ret) {
+ /*
+ * ocfs2_grab_pages_for_write() returns -EAGAIN if it could not lock
+ * the target page. In this case, we exit with no error and no target
+ * page. This will trigger the caller, page_mkwrite(), to re-try
+ * the operation.
+ */
+ if (type == OCFS2_WRITE_MMAP && ret == -EAGAIN) {
+ BUG_ON(wc->w_target_page);
+ ret = 0;
+ goto out_quota;
+ }
- /*
- * ocfs2_grab_pages_for_write() returns -EAGAIN if it could not lock
- * the target page. In this case, we exit with no error and no target
- * page. This will trigger the caller, page_mkwrite(), to re-try
- * the operation.
- */
- if (ret == -EAGAIN) {
- BUG_ON(wc->w_target_page);
- ret = 0;
+ mlog_errno(ret);
goto out_quota;
}
@@ -1892,7 +1880,7 @@ out:
}
static int ocfs2_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;
@@ -1908,7 +1896,7 @@ static int ocfs2_write_begin(struct file *file, struct address_space *mapping,
/*
* Take alloc sem here to prevent concurrent lookups. That way
* the mapping, zeroing and tree manipulation within
- * ocfs2_write() will be safe against ->readpage(). This
+ * ocfs2_write() will be safe against ->read_folio(). This
* should also serve to lock out allocation from a shared
* writeable region.
*/
@@ -2303,7 +2291,7 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
struct ocfs2_alloc_context *meta_ac = NULL;
handle_t *handle = NULL;
loff_t end = offset + bytes;
- int ret = 0, credits = 0, locked = 0;
+ int ret = 0, credits = 0;
ocfs2_init_dealloc_ctxt(&dealloc);
@@ -2314,13 +2302,6 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
!dwc->dw_orphaned)
goto out;
- /* ocfs2_file_write_iter will get i_mutex, so we need not lock if we
- * are in that context. */
- if (dwc->dw_writer_pid != task_pid_nr(current)) {
- inode_lock(inode);
- locked = 1;
- }
-
ret = ocfs2_inode_lock(inode, &di_bh, 1);
if (ret < 0) {
mlog_errno(ret);
@@ -2329,7 +2310,7 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
down_write(&oi->ip_alloc_sem);
- /* Delete orphan before acquire i_mutex. */
+ /* Delete orphan before acquire i_rwsem. */
if (dwc->dw_orphaned) {
BUG_ON(dwc->dw_writer_pid != task_pid_nr(current));
@@ -2401,8 +2382,6 @@ out:
if (meta_ac)
ocfs2_free_alloc_context(meta_ac);
ocfs2_run_deallocs(osb, &dealloc);
- if (locked)
- inode_unlock(inode);
ocfs2_dio_free_write_ctx(inode, dwc);
return ret;
@@ -2473,16 +2452,17 @@ static ssize_t ocfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
}
const struct address_space_operations ocfs2_aops = {
- .readpage = ocfs2_readpage,
- .readpages = ocfs2_readpages,
+ .dirty_folio = block_dirty_folio,
+ .read_folio = ocfs2_read_folio,
+ .readahead = ocfs2_readahead,
.writepage = ocfs2_writepage,
.write_begin = ocfs2_write_begin,
.write_end = ocfs2_write_end,
.bmap = ocfs2_bmap,
.direct_IO = ocfs2_direct_IO,
- .invalidatepage = block_invalidatepage,
- .releasepage = ocfs2_releasepage,
- .migratepage = buffer_migrate_page,
+ .invalidate_folio = block_invalidate_folio,
+ .release_folio = ocfs2_release_folio,
+ .migrate_folio = buffer_migrate_folio,
.is_partially_uptodate = block_is_partially_uptodate,
.error_remove_page = generic_error_remove_page,
};
diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h
index 70ed4382750d..3a520117fa59 100644
--- a/fs/ocfs2/aops.h
+++ b/fs/ocfs2/aops.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* Copyright (C) 2002, 2004, 2005 Oracle. All rights reserved.
*/
diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c
index eaf042feaf5e..863a5316030b 100644
--- a/fs/ocfs2/blockcheck.c
+++ b/fs/ocfs2/blockcheck.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* blockcheck.c
*
* Checksum and ECC codes for the OCFS2 userspace library.
@@ -124,7 +122,7 @@ u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, unsigned int nr
* parity bits that are part of the bit number
* representation. Huh?
*
- * <wikipedia href="http://en.wikipedia.org/wiki/Hamming_code">
+ * <wikipedia href="https://en.wikipedia.org/wiki/Hamming_code">
* In other words, the parity bit at position 2^k
* checks bits in positions having bit k set in
* their binary representation. Conversely, for
@@ -229,7 +227,7 @@ static int blockcheck_u64_get(void *data, u64 *val)
*val = *(u64 *)data;
return 0;
}
-DEFINE_SIMPLE_ATTRIBUTE(blockcheck_fops, blockcheck_u64_get, NULL, "%llu\n");
+DEFINE_DEBUGFS_ATTRIBUTE(blockcheck_fops, blockcheck_u64_get, NULL, "%llu\n");
static void ocfs2_blockcheck_debug_remove(struct ocfs2_blockcheck_stats *stats)
{
diff --git a/fs/ocfs2/blockcheck.h b/fs/ocfs2/blockcheck.h
index 8f17d2c85f40..d0578e98ee8d 100644
--- a/fs/ocfs2/blockcheck.h
+++ b/fs/ocfs2/blockcheck.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* blockcheck.h
*
* Checksum and ECC codes for the OCFS2 userspace library.
diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
index f0b104e483d8..196638a22b48 100644
--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* io.c
*
* Buffer cache handling
@@ -66,7 +64,7 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
get_bh(bh); /* for end_buffer_write_sync() */
bh->b_end_io = end_buffer_write_sync;
- submit_bh(REQ_OP_WRITE, 0, bh);
+ submit_bh(REQ_OP_WRITE, bh);
wait_on_buffer(bh);
@@ -149,7 +147,7 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block,
get_bh(bh); /* for end_buffer_read_sync() */
bh->b_end_io = end_buffer_read_sync;
- submit_bh(REQ_OP_READ, 0, bh);
+ submit_bh(REQ_OP_READ, bh);
}
read_failure:
@@ -330,7 +328,7 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
if (validate)
set_buffer_needs_validate(bh);
bh->b_end_io = end_buffer_read_sync;
- submit_bh(REQ_OP_READ, 0, bh);
+ submit_bh(REQ_OP_READ, bh);
continue;
}
}
@@ -451,7 +449,7 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb,
get_bh(bh); /* for end_buffer_write_sync() */
bh->b_end_io = end_buffer_write_sync;
ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &di->i_check);
- submit_bh(REQ_OP_WRITE, 0, bh);
+ submit_bh(REQ_OP_WRITE, bh);
wait_on_buffer(bh);
diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h
index 1c5e533fba04..2d51649fc090 100644
--- a/fs/ocfs2/buffer_head_io.h
+++ b/fs/ocfs2/buffer_head_io.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* ocfs2_buffer_head.h
*
* Buffer cache handling functions defined
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index a368350d4c27..b13d344d40b6 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* Copyright (C) 2004, 2005 Oracle. All rights reserved.
*/
@@ -101,8 +99,6 @@ static struct o2hb_callback {
static struct o2hb_callback *hbcall_from_type(enum o2hb_callback_type type);
-#define O2HB_DEFAULT_BLOCK_BITS 9
-
enum o2hb_heartbeat_modes {
O2HB_HEARTBEAT_LOCAL = 0,
O2HB_HEARTBEAT_GLOBAL,
@@ -239,8 +235,6 @@ struct o2hb_region {
* (hr_steady_iterations == 0) within hr_unsteady_iterations */
atomic_t hr_unsteady_iterations;
- char hr_dev_name[BDEVNAME_SIZE];
-
unsigned int hr_timeout_ms;
/* randomized as the region goes up and down so that a node
@@ -291,8 +285,8 @@ static void o2hb_write_timeout(struct work_struct *work)
container_of(work, struct o2hb_region,
hr_write_timeout_work.work);
- mlog(ML_ERROR, "Heartbeat write timeout to device %s after %u "
- "milliseconds\n", reg->hr_dev_name,
+ mlog(ML_ERROR, "Heartbeat write timeout to device %pg after %u "
+ "milliseconds\n", reg->hr_bdev,
jiffies_to_msecs(jiffies - reg->hr_last_timeout_start));
if (o2hb_global_heartbeat_active()) {
@@ -383,13 +377,13 @@ static void o2hb_nego_timeout(struct work_struct *work)
o2hb_fill_node_map(live_node_bitmap, sizeof(live_node_bitmap));
/* lowest node as master node to make negotiate decision. */
- master_node = find_next_bit(live_node_bitmap, O2NM_MAX_NODES, 0);
+ master_node = find_first_bit(live_node_bitmap, O2NM_MAX_NODES);
if (master_node == o2nm_this_node()) {
if (!test_bit(master_node, reg->hr_nego_node_bitmap)) {
- printk(KERN_NOTICE "o2hb: node %d hb write hung for %ds on region %s (%s).\n",
+ printk(KERN_NOTICE "o2hb: node %d hb write hung for %ds on region %s (%pg).\n",
o2nm_this_node(), O2HB_NEGO_TIMEOUT_MS/1000,
- config_item_name(&reg->hr_item), reg->hr_dev_name);
+ config_item_name(&reg->hr_item), reg->hr_bdev);
set_bit(master_node, reg->hr_nego_node_bitmap);
}
if (memcmp(reg->hr_nego_node_bitmap, live_node_bitmap,
@@ -403,8 +397,8 @@ static void o2hb_nego_timeout(struct work_struct *work)
return;
}
- printk(KERN_NOTICE "o2hb: all nodes hb write hung, maybe region %s (%s) is down.\n",
- config_item_name(&reg->hr_item), reg->hr_dev_name);
+ printk(KERN_NOTICE "o2hb: all nodes hb write hung, maybe region %s (%pg) is down.\n",
+ config_item_name(&reg->hr_item), reg->hr_bdev);
/* approve negotiate timeout request. */
o2hb_arm_timeout(reg);
@@ -423,9 +417,9 @@ static void o2hb_nego_timeout(struct work_struct *work)
}
} else {
/* negotiate timeout with master node. */
- printk(KERN_NOTICE "o2hb: node %d hb write hung for %ds on region %s (%s), negotiate timeout with node %d.\n",
+ printk(KERN_NOTICE "o2hb: node %d hb write hung for %ds on region %s (%pg), negotiate timeout with node %d.\n",
o2nm_this_node(), O2HB_NEGO_TIMEOUT_MS/1000, config_item_name(&reg->hr_item),
- reg->hr_dev_name, master_node);
+ reg->hr_bdev, master_node);
ret = o2hb_send_nego_msg(reg->hr_key, O2HB_NEGO_TIMEOUT_MSG,
master_node);
if (ret)
@@ -441,8 +435,8 @@ static int o2hb_nego_timeout_handler(struct o2net_msg *msg, u32 len, void *data,
struct o2hb_nego_msg *nego_msg;
nego_msg = (struct o2hb_nego_msg *)msg->buf;
- printk(KERN_NOTICE "o2hb: receive negotiate timeout message from node %d on region %s (%s).\n",
- nego_msg->node_num, config_item_name(&reg->hr_item), reg->hr_dev_name);
+ printk(KERN_NOTICE "o2hb: receive negotiate timeout message from node %d on region %s (%pg).\n",
+ nego_msg->node_num, config_item_name(&reg->hr_item), reg->hr_bdev);
if (nego_msg->node_num < O2NM_MAX_NODES)
set_bit(nego_msg->node_num, reg->hr_nego_node_bitmap);
else
@@ -456,8 +450,8 @@ static int o2hb_nego_approve_handler(struct o2net_msg *msg, u32 len, void *data,
{
struct o2hb_region *reg = data;
- printk(KERN_NOTICE "o2hb: negotiate timeout approved by master node on region %s (%s).\n",
- config_item_name(&reg->hr_item), reg->hr_dev_name);
+ printk(KERN_NOTICE "o2hb: negotiate timeout approved by master node on region %s (%pg).\n",
+ config_item_name(&reg->hr_item), reg->hr_bdev);
o2hb_arm_timeout(reg);
return 0;
}
@@ -507,8 +501,7 @@ static void o2hb_bio_end_io(struct bio *bio)
static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg,
struct o2hb_bio_wait_ctxt *wc,
unsigned int *current_slot,
- unsigned int max_slots, int op,
- int op_flags)
+ unsigned int max_slots, blk_opf_t opf)
{
int len, current_page;
unsigned int vec_len, vec_start;
@@ -522,7 +515,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg,
* GFP_KERNEL that the local node can get fenced. It would be
* nicest if we could pre-allocate these bios and avoid this
* all together. */
- bio = bio_alloc(GFP_ATOMIC, 16);
+ bio = bio_alloc(reg->hr_bdev, 16, opf, GFP_ATOMIC);
if (!bio) {
mlog(ML_ERROR, "Could not alloc slots BIO!\n");
bio = ERR_PTR(-ENOMEM);
@@ -531,10 +524,8 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg,
/* Must put everything in 512 byte sectors for the bio... */
bio->bi_iter.bi_sector = (reg->hr_start_block + cs) << (bits - 9);
- bio_set_dev(bio, reg->hr_bdev);
bio->bi_private = wc;
bio->bi_end_io = o2hb_bio_end_io;
- bio_set_op_attrs(bio, op, op_flags);
vec_start = (cs << bits) % PAGE_SIZE;
while(cs < max_slots) {
@@ -572,7 +563,7 @@ static int o2hb_read_slots(struct o2hb_region *reg,
while(current_slot < max_slots) {
bio = o2hb_setup_one_bio(reg, &wc, &current_slot, max_slots,
- REQ_OP_READ, 0);
+ REQ_OP_READ);
if (IS_ERR(bio)) {
status = PTR_ERR(bio);
mlog_errno(status);
@@ -604,8 +595,8 @@ static int o2hb_issue_node_write(struct o2hb_region *reg,
slot = o2nm_this_node();
- bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1, REQ_OP_WRITE,
- REQ_SYNC);
+ bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1,
+ REQ_OP_WRITE | REQ_SYNC);
if (IS_ERR(bio)) {
status = PTR_ERR(bio);
mlog_errno(status);
@@ -695,8 +686,8 @@ static int o2hb_check_own_slot(struct o2hb_region *reg)
else
errstr = ERRSTR3;
- mlog(ML_ERROR, "%s (%s): expected(%u:0x%llx, 0x%llx), "
- "ondisk(%u:0x%llx, 0x%llx)\n", errstr, reg->hr_dev_name,
+ mlog(ML_ERROR, "%s (%pg): expected(%u:0x%llx, 0x%llx), "
+ "ondisk(%u:0x%llx, 0x%llx)\n", errstr, reg->hr_bdev,
slot->ds_node_num, (unsigned long long)slot->ds_last_generation,
(unsigned long long)slot->ds_last_time, hb_block->hb_node,
(unsigned long long)le64_to_cpu(hb_block->hb_generation),
@@ -869,8 +860,8 @@ static void o2hb_set_quorum_device(struct o2hb_region *reg)
sizeof(o2hb_live_node_bitmap)))
goto unlock;
- printk(KERN_NOTICE "o2hb: Region %s (%s) is now a quorum device\n",
- config_item_name(&reg->hr_item), reg->hr_dev_name);
+ printk(KERN_NOTICE "o2hb: Region %s (%pg) is now a quorum device\n",
+ config_item_name(&reg->hr_item), reg->hr_bdev);
set_bit(reg->hr_region_num, o2hb_quorum_region_bitmap);
@@ -928,8 +919,8 @@ static int o2hb_check_slot(struct o2hb_region *reg,
/* The node is live but pushed out a bad crc. We
* consider it a transient miss but don't populate any
* other values as they may be junk. */
- mlog(ML_ERROR, "Node %d has written a bad crc to %s\n",
- slot->ds_node_num, reg->hr_dev_name);
+ mlog(ML_ERROR, "Node %d has written a bad crc to %pg\n",
+ slot->ds_node_num, reg->hr_bdev);
o2hb_dump_slot(hb_block);
slot->ds_equal_samples++;
@@ -1008,11 +999,11 @@ fire_callbacks:
slot_dead_ms = le32_to_cpu(hb_block->hb_dead_ms);
if (slot_dead_ms && slot_dead_ms != dead_ms) {
/* TODO: Perhaps we can fail the region here. */
- mlog(ML_ERROR, "Node %d on device %s has a dead count "
+ mlog(ML_ERROR, "Node %d on device %pg has a dead count "
"of %u ms, but our count is %u ms.\n"
"Please double check your configuration values "
"for 'O2CB_HEARTBEAT_THRESHOLD'\n",
- slot->ds_node_num, reg->hr_dev_name, slot_dead_ms,
+ slot->ds_node_num, reg->hr_bdev, slot_dead_ms,
dead_ms);
}
goto out;
@@ -1151,8 +1142,8 @@ static int o2hb_do_disk_heartbeat(struct o2hb_region *reg)
/* Do not re-arm the write timeout on I/O error - we
* can't be sure that the new block ever made it to
* disk */
- mlog(ML_ERROR, "Write error %d on device \"%s\"\n",
- write_wc.wc_error, reg->hr_dev_name);
+ mlog(ML_ERROR, "Write error %d on device \"%pg\"\n",
+ write_wc.wc_error, reg->hr_bdev);
ret = write_wc.wc_error;
goto bail;
}
@@ -1176,9 +1167,9 @@ bail:
if (atomic_read(&reg->hr_steady_iterations) != 0) {
if (atomic_dec_and_test(&reg->hr_unsteady_iterations)) {
printk(KERN_NOTICE "o2hb: Unable to stabilize "
- "heartbeat on region %s (%s)\n",
+ "heartbeat on region %s (%pg)\n",
config_item_name(&reg->hr_item),
- reg->hr_dev_name);
+ reg->hr_bdev);
atomic_set(&reg->hr_steady_iterations, 0);
reg->hr_aborted_start = 1;
wake_up(&o2hb_steady_queue);
@@ -1309,7 +1300,7 @@ static int o2hb_debug_open(struct inode *inode, struct file *file)
case O2HB_DB_TYPE_REGION_NUMBER:
reg = (struct o2hb_region *)db->db_data;
- out += snprintf(buf + out, PAGE_SIZE - out, "%d\n",
+ out += scnprintf(buf + out, PAGE_SIZE - out, "%d\n",
reg->hr_region_num);
goto done;
@@ -1319,12 +1310,12 @@ static int o2hb_debug_open(struct inode *inode, struct file *file)
/* If 0, it has never been set before */
if (lts)
lts = jiffies_to_msecs(jiffies - lts);
- out += snprintf(buf + out, PAGE_SIZE - out, "%lu\n", lts);
+ out += scnprintf(buf + out, PAGE_SIZE - out, "%lu\n", lts);
goto done;
case O2HB_DB_TYPE_REGION_PINNED:
reg = (struct o2hb_region *)db->db_data;
- out += snprintf(buf + out, PAGE_SIZE - out, "%u\n",
+ out += scnprintf(buf + out, PAGE_SIZE - out, "%u\n",
!!reg->hr_item_pinned);
goto done;
@@ -1333,8 +1324,8 @@ static int o2hb_debug_open(struct inode *inode, struct file *file)
}
while ((i = find_next_bit(map, db->db_len, i + 1)) < db->db_len)
- out += snprintf(buf + out, PAGE_SIZE - out, "%d ", i);
- out += snprintf(buf + out, PAGE_SIZE - out, "\n");
+ out += scnprintf(buf + out, PAGE_SIZE - out, "%d ", i);
+ out += scnprintf(buf + out, PAGE_SIZE - out, "\n");
done:
i_size_write(inode, out);
@@ -1446,8 +1437,6 @@ void o2hb_init(void)
for (i = 0; i < ARRAY_SIZE(o2hb_live_slots); i++)
INIT_LIST_HEAD(&o2hb_live_slots[i]);
- INIT_LIST_HEAD(&o2hb_node_events);
-
memset(o2hb_live_node_bitmap, 0, sizeof(o2hb_live_node_bitmap));
memset(o2hb_region_bitmap, 0, sizeof(o2hb_region_bitmap));
memset(o2hb_live_region_bitmap, 0, sizeof(o2hb_live_region_bitmap));
@@ -1502,7 +1491,7 @@ static void o2hb_region_release(struct config_item *item)
struct page *page;
struct o2hb_region *reg = to_o2hb_region(item);
- mlog(ML_HEARTBEAT, "hb region release (%s)\n", reg->hr_dev_name);
+ mlog(ML_HEARTBEAT, "hb region release (%pg)\n", reg->hr_bdev);
kfree(reg->hr_tmp_block);
@@ -1602,12 +1591,13 @@ static ssize_t o2hb_region_start_block_store(struct config_item *item,
struct o2hb_region *reg = to_o2hb_region(item);
unsigned long long tmp;
char *p = (char *)page;
+ ssize_t ret;
if (reg->hr_bdev)
return -EINVAL;
- tmp = simple_strtoull(p, &p, 0);
- if (!p || (*p && (*p != '\n')))
+ ret = kstrtoull(p, 0, &tmp);
+ if (ret)
return -EINVAL;
reg->hr_start_block = tmp;
@@ -1648,7 +1638,7 @@ static ssize_t o2hb_region_dev_show(struct config_item *item, char *page)
unsigned int ret = 0;
if (to_o2hb_region(item)->hr_bdev)
- ret = sprintf(page, "%s\n", to_o2hb_region(item)->hr_dev_name);
+ ret = sprintf(page, "%pg\n", to_o2hb_region(item)->hr_bdev);
return ret;
}
@@ -1768,7 +1758,6 @@ static ssize_t o2hb_region_dev_store(struct config_item *item,
int sectsize;
char *p = (char *)page;
struct fd f;
- struct inode *inode;
ssize_t ret = -EINVAL;
int live_threshold;
@@ -1795,22 +1784,16 @@ static ssize_t o2hb_region_dev_store(struct config_item *item,
reg->hr_block_bytes == 0)
goto out2;
- inode = igrab(f.file->f_mapping->host);
- if (inode == NULL)
+ if (!S_ISBLK(f.file->f_mapping->host->i_mode))
goto out2;
- if (!S_ISBLK(inode->i_mode))
- goto out3;
-
- reg->hr_bdev = I_BDEV(f.file->f_mapping->host);
- ret = blkdev_get(reg->hr_bdev, FMODE_WRITE | FMODE_READ, NULL);
- if (ret) {
+ reg->hr_bdev = blkdev_get_by_dev(f.file->f_mapping->host->i_rdev,
+ FMODE_WRITE | FMODE_READ, NULL);
+ if (IS_ERR(reg->hr_bdev)) {
+ ret = PTR_ERR(reg->hr_bdev);
reg->hr_bdev = NULL;
- goto out3;
+ goto out2;
}
- inode = NULL;
-
- bdevname(reg->hr_bdev, reg->hr_dev_name);
sectsize = bdev_logical_block_size(reg->hr_bdev);
if (sectsize != reg->hr_block_bytes) {
@@ -1907,20 +1890,17 @@ static ssize_t o2hb_region_dev_store(struct config_item *item,
ret = -EIO;
if (hb_task && o2hb_global_heartbeat_active())
- printk(KERN_NOTICE "o2hb: Heartbeat started on region %s (%s)\n",
- config_item_name(&reg->hr_item), reg->hr_dev_name);
+ printk(KERN_NOTICE "o2hb: Heartbeat started on region %s (%pg)\n",
+ config_item_name(&reg->hr_item), reg->hr_bdev);
out3:
- iput(inode);
+ if (ret < 0) {
+ blkdev_put(reg->hr_bdev, FMODE_READ | FMODE_WRITE);
+ reg->hr_bdev = NULL;
+ }
out2:
fdput(f);
out:
- if (ret < 0) {
- if (reg->hr_bdev) {
- blkdev_put(reg->hr_bdev, FMODE_READ|FMODE_WRITE);
- reg->hr_bdev = NULL;
- }
- }
return ret;
}
@@ -2052,7 +2032,7 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
o2hb_nego_timeout_handler,
reg, NULL, &reg->hr_handler_list);
if (ret)
- goto free;
+ goto remove_item;
ret = o2net_register_handler(O2HB_NEGO_APPROVE_MSG, reg->hr_key,
sizeof(struct o2hb_nego_msg),
@@ -2067,6 +2047,12 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
unregister_handler:
o2net_unregister_handler_list(&reg->hr_handler_list);
+remove_item:
+ spin_lock(&o2hb_live_lock);
+ list_del(&reg->hr_all_item);
+ if (o2hb_global_heartbeat_active())
+ clear_bit(reg->hr_region_num, o2hb_region_bitmap);
+ spin_unlock(&o2hb_live_lock);
free:
kfree(reg);
return ERR_PTR(ret);
@@ -2097,10 +2083,10 @@ static void o2hb_heartbeat_group_drop_item(struct config_group *group,
quorum_region = 1;
clear_bit(reg->hr_region_num, o2hb_quorum_region_bitmap);
spin_unlock(&o2hb_live_lock);
- printk(KERN_NOTICE "o2hb: Heartbeat %s on region %s (%s)\n",
+ printk(KERN_NOTICE "o2hb: Heartbeat %s on region %s (%pg)\n",
((atomic_read(&reg->hr_steady_iterations) == 0) ?
"stopped" : "start aborted"), config_item_name(item),
- reg->hr_dev_name);
+ reg->hr_bdev);
}
/*
diff --git a/fs/ocfs2/cluster/heartbeat.h b/fs/ocfs2/cluster/heartbeat.h
index beed31ea86cf..1d4100abf6f8 100644
--- a/fs/ocfs2/cluster/heartbeat.h
+++ b/fs/ocfs2/cluster/heartbeat.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* heartbeat.h
*
* Function prototypes
diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c
index 1d696c96b8b2..563881ddbf00 100644
--- a/fs/ocfs2/cluster/masklog.c
+++ b/fs/ocfs2/cluster/masklog.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* Copyright (C) 2004, 2005 Oracle. All rights reserved.
*/
@@ -122,7 +120,8 @@ static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = {
define_mask(KTHREAD),
};
-static struct attribute *mlog_attr_ptrs[MLOG_MAX_BITS] = {NULL, };
+static struct attribute *mlog_default_attrs[MLOG_MAX_BITS] = {NULL, };
+ATTRIBUTE_GROUPS(mlog_default);
static ssize_t mlog_show(struct kobject *obj, struct attribute *attr,
char *buf)
@@ -146,8 +145,8 @@ static const struct sysfs_ops mlog_attr_ops = {
};
static struct kobj_type mlog_ktype = {
- .default_attrs = mlog_attr_ptrs,
- .sysfs_ops = &mlog_attr_ops,
+ .default_groups = mlog_default_groups,
+ .sysfs_ops = &mlog_attr_ops,
};
static struct kset mlog_kset = {
@@ -159,10 +158,10 @@ int mlog_sys_init(struct kset *o2cb_kset)
int i = 0;
while (mlog_attrs[i].attr.mode) {
- mlog_attr_ptrs[i] = &mlog_attrs[i].attr;
+ mlog_default_attrs[i] = &mlog_attrs[i].attr;
i++;
}
- mlog_attr_ptrs[i] = NULL;
+ mlog_default_attrs[i] = NULL;
kobject_set_name(&mlog_kset.kobj, "logmask");
mlog_kset.kobj.kset = o2cb_kset;
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index 446e452ac7a6..b73fc42e46ff 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* Copyright (C) 2005 Oracle. All rights reserved.
*/
diff --git a/fs/ocfs2/cluster/netdebug.c b/fs/ocfs2/cluster/netdebug.c
index 02bf4a1774cc..7524994e3199 100644
--- a/fs/ocfs2/cluster/netdebug.c
+++ b/fs/ocfs2/cluster/netdebug.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* netdebug.c
*
* debug functionality for o2net
@@ -443,8 +441,8 @@ static int o2net_fill_bitmap(char *buf, int len)
o2net_fill_node_map(map, sizeof(map));
while ((i = find_next_bit(map, O2NM_MAX_NODES, i + 1)) < O2NM_MAX_NODES)
- out += snprintf(buf + out, PAGE_SIZE - out, "%d ", i);
- out += snprintf(buf + out, PAGE_SIZE - out, "\n");
+ out += scnprintf(buf + out, PAGE_SIZE - out, "%d ", i);
+ out += scnprintf(buf + out, PAGE_SIZE - out, "\n");
return out;
}
diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c
index 7a7640c59f3c..27fee68f860a 100644
--- a/fs/ocfs2/cluster/nodemanager.c
+++ b/fs/ocfs2/cluster/nodemanager.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* Copyright (C) 2004, 2005 Oracle. All rights reserved.
*/
@@ -691,7 +689,7 @@ static struct config_group *o2nm_cluster_group_make_group(struct config_group *g
struct o2nm_node_group *ns = NULL;
struct config_group *o2hb_group = NULL, *ret = NULL;
- /* this runs under the parent dir's i_mutex; there can be only
+ /* this runs under the parent dir's i_rwsem; there can be only
* one caller in here at a time */
if (o2nm_single_cluster)
return ERR_PTR(-ENOSPC);
@@ -826,7 +824,7 @@ static void __exit exit_o2nm(void)
static int __init init_o2nm(void)
{
- int ret = -1;
+ int ret;
o2hb_init();
diff --git a/fs/ocfs2/cluster/nodemanager.h b/fs/ocfs2/cluster/nodemanager.h
index 3e0006631cc4..3490e77a952d 100644
--- a/fs/ocfs2/cluster/nodemanager.h
+++ b/fs/ocfs2/cluster/nodemanager.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* nodemanager.h
*
* Function prototypes
diff --git a/fs/ocfs2/cluster/ocfs2_heartbeat.h b/fs/ocfs2/cluster/ocfs2_heartbeat.h
index 760d850be11e..6088c9f974dd 100644
--- a/fs/ocfs2/cluster/ocfs2_heartbeat.h
+++ b/fs/ocfs2/cluster/ocfs2_heartbeat.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* ocfs2_heartbeat.h
*
* On-disk structures for ocfs2_heartbeat
diff --git a/fs/ocfs2/cluster/ocfs2_nodemanager.h b/fs/ocfs2/cluster/ocfs2_nodemanager.h
index 21ad307419a8..c9a0b77443e7 100644
--- a/fs/ocfs2/cluster/ocfs2_nodemanager.h
+++ b/fs/ocfs2/cluster/ocfs2_nodemanager.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* ocfs2_nodemanager.h
*
* Header describing the interface between userspace and the kernel
diff --git a/fs/ocfs2/cluster/quorum.c b/fs/ocfs2/cluster/quorum.c
index 1ef24574f481..189c111bc371 100644
--- a/fs/ocfs2/cluster/quorum.c
+++ b/fs/ocfs2/cluster/quorum.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- *
- * vim: noexpandtab sw=8 ts=8 sts=0:
+/*
*
* Copyright (C) 2005 Oracle. All rights reserved.
*/
@@ -67,7 +65,7 @@ static void o2quo_fence_self(void)
default:
WARN_ON(o2nm_single_cluster->cl_fence_method >=
O2NM_FENCE_METHODS);
- /* fall through */
+ fallthrough;
case O2NM_FENCE_RESET:
printk(KERN_ERR "*** ocfs2 is very sorry to be fencing this "
"system by restarting ***\n");
diff --git a/fs/ocfs2/cluster/quorum.h b/fs/ocfs2/cluster/quorum.h
index 6d45ce8b18a1..d64bf4482a4a 100644
--- a/fs/ocfs2/cluster/quorum.h
+++ b/fs/ocfs2/cluster/quorum.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* Copyright (C) 2005 Oracle. All rights reserved.
*/
diff --git a/fs/ocfs2/cluster/sys.c b/fs/ocfs2/cluster/sys.c
index d6067c3d84c1..022f716c74ff 100644
--- a/fs/ocfs2/cluster/sys.c
+++ b/fs/ocfs2/cluster/sys.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* sys.c
*
* OCFS2 cluster sysfs interface
diff --git a/fs/ocfs2/cluster/sys.h b/fs/ocfs2/cluster/sys.h
index ce380517cf17..70aaba65317e 100644
--- a/fs/ocfs2/cluster/sys.h
+++ b/fs/ocfs2/cluster/sys.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* sys.h
*
* Function prototypes for o2cb sysfs interface
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 48a3398f0bf5..f660c0dbdb63 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- *
- * vim: noexpandtab sw=8 ts=8 sts=0:
+/*
*
* Copyright (C) 2004 Oracle. All rights reserved.
*
@@ -1198,7 +1196,6 @@ static int o2net_process_message(struct o2net_sock_container *sc,
msglog(hdr, "bad magic\n");
ret = -EINVAL;
goto out;
- break;
}
/* find a handler for it */
@@ -1441,22 +1438,6 @@ static void o2net_rx_until_empty(struct work_struct *work)
sc_put(sc);
}
-static int o2net_set_nodelay(struct socket *sock)
-{
- int val = 1;
-
- return kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY,
- (void *)&val, sizeof(val));
-}
-
-static int o2net_set_usertimeout(struct socket *sock)
-{
- int user_timeout = O2NET_TCP_USER_TIMEOUT;
-
- return kernel_setsockopt(sock, SOL_TCP, TCP_USER_TIMEOUT,
- (void *)&user_timeout, sizeof(user_timeout));
-}
-
static void o2net_initialize_handshake(void)
{
o2net_hand->o2hb_heartbeat_timeout_ms = cpu_to_be32(
@@ -1570,15 +1551,13 @@ static void o2net_start_connect(struct work_struct *work)
struct sockaddr_in myaddr = {0, }, remoteaddr = {0, };
int ret = 0, stop;
unsigned int timeout;
- unsigned int noio_flag;
+ unsigned int nofs_flag;
/*
- * sock_create allocates the sock with GFP_KERNEL. We must set
- * per-process flag PF_MEMALLOC_NOIO so that all allocations done
- * by this process are done as if GFP_NOIO was specified. So we
- * are not reentering filesystem while doing memory reclaim.
+ * sock_create allocates the sock with GFP_KERNEL. We must
+ * prevent the filesystem from being reentered by memory reclaim.
*/
- noio_flag = memalloc_noio_save();
+ nofs_flag = memalloc_nofs_save();
/* if we're greater we initiate tx, otherwise we accept */
if (o2nm_this_node() <= o2net_num_from_nn(nn))
goto out;
@@ -1638,17 +1617,8 @@ static void o2net_start_connect(struct work_struct *work)
goto out;
}
- ret = o2net_set_nodelay(sc->sc_sock);
- if (ret) {
- mlog(ML_ERROR, "setting TCP_NODELAY failed with %d\n", ret);
- goto out;
- }
-
- ret = o2net_set_usertimeout(sock);
- if (ret) {
- mlog(ML_ERROR, "set TCP_USER_TIMEOUT failed with %d\n", ret);
- goto out;
- }
+ tcp_sock_set_nodelay(sc->sc_sock->sk);
+ tcp_sock_set_user_timeout(sock->sk, O2NET_TCP_USER_TIMEOUT);
o2net_register_callbacks(sc->sc_sock->sk, sc);
@@ -1683,7 +1653,7 @@ out:
if (mynode)
o2nm_node_put(mynode);
- memalloc_noio_restore(noio_flag);
+ memalloc_nofs_restore(nofs_flag);
return;
}
@@ -1810,15 +1780,13 @@ static int o2net_accept_one(struct socket *sock, int *more)
struct o2nm_node *local_node = NULL;
struct o2net_sock_container *sc = NULL;
struct o2net_node *nn;
- unsigned int noio_flag;
+ unsigned int nofs_flag;
/*
- * sock_create_lite allocates the sock with GFP_KERNEL. We must set
- * per-process flag PF_MEMALLOC_NOIO so that all allocations done
- * by this process are done as if GFP_NOIO was specified. So we
- * are not reentering filesystem while doing memory reclaim.
+ * sock_create_lite allocates the sock with GFP_KERNEL. We must
+ * prevent the filesystem from being reentered by memory reclaim.
*/
- noio_flag = memalloc_noio_save();
+ nofs_flag = memalloc_nofs_save();
BUG_ON(sock == NULL);
*more = 0;
@@ -1836,17 +1804,8 @@ static int o2net_accept_one(struct socket *sock, int *more)
*more = 1;
new_sock->sk->sk_allocation = GFP_ATOMIC;
- ret = o2net_set_nodelay(new_sock);
- if (ret) {
- mlog(ML_ERROR, "setting TCP_NODELAY failed with %d\n", ret);
- goto out;
- }
-
- ret = o2net_set_usertimeout(new_sock);
- if (ret) {
- mlog(ML_ERROR, "set TCP_USER_TIMEOUT failed with %d\n", ret);
- goto out;
- }
+ tcp_sock_set_nodelay(new_sock->sk);
+ tcp_sock_set_user_timeout(new_sock->sk, O2NET_TCP_USER_TIMEOUT);
ret = new_sock->ops->getname(new_sock, (struct sockaddr *) &sin, 1);
if (ret < 0)
@@ -1934,7 +1893,7 @@ out:
if (sc)
sc_put(sc);
- memalloc_noio_restore(noio_flag);
+ memalloc_nofs_restore(nofs_flag);
return ret;
}
@@ -1948,7 +1907,6 @@ static void o2net_accept_many(struct work_struct *work)
{
struct socket *sock = o2net_listen_sock;
int more;
- int err;
/*
* It is critical to note that due to interrupt moderation
@@ -1963,7 +1921,7 @@ static void o2net_accept_many(struct work_struct *work)
*/
for (;;) {
- err = o2net_accept_one(sock, &more);
+ o2net_accept_one(sock, &more);
if (!more)
break;
cond_resched();
diff --git a/fs/ocfs2/cluster/tcp.h b/fs/ocfs2/cluster/tcp.h
index de87cbffd175..a75b551d31c7 100644
--- a/fs/ocfs2/cluster/tcp.h
+++ b/fs/ocfs2/cluster/tcp.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* tcp.h
*
* Function prototypes
@@ -32,7 +30,7 @@ struct o2net_msg
__be32 status;
__be32 key;
__be32 msg_num;
- __u8 buf[0];
+ __u8 buf[];
};
typedef int (o2net_msg_handler_func)(struct o2net_msg *msg, u32 len, void *data,
diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h
index e6a2b9dfcd16..601c99bd2611 100644
--- a/fs/ocfs2/cluster/tcp_internal.h
+++ b/fs/ocfs2/cluster/tcp_internal.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* Copyright (C) 2005 Oracle. All rights reserved.
*/
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index 42a61eecdacd..04fc8344063a 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dcache.c
*
* dentry cache handling code
diff --git a/fs/ocfs2/dcache.h b/fs/ocfs2/dcache.h
index 3686a52ba143..7f246c5692d8 100644
--- a/fs/ocfs2/dcache.h
+++ b/fs/ocfs2/dcache.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dcache.h
*
* Function prototypes
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index bdef72c0f099..694471fc46b8 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dir.c
*
* Creates, reads, walks and deletes directory-nodes
@@ -676,7 +674,7 @@ static struct buffer_head *ocfs2_find_entry_el(const char *name, int namelen,
int ra_ptr = 0; /* Current index into readahead
buffer */
int num = 0;
- int nblocks, i, err;
+ int nblocks, i;
sb = dir->i_sb;
@@ -708,7 +706,7 @@ restart:
num++;
bh = NULL;
- err = ocfs2_read_dir_block(dir, b++, &bh,
+ ocfs2_read_dir_block(dir, b++, &bh,
OCFS2_BH_READAHEAD);
bh_use[ra_max] = bh;
}
@@ -848,9 +846,9 @@ static int ocfs2_dx_dir_lookup(struct inode *inode,
u64 *ret_phys_blkno)
{
int ret = 0;
- unsigned int cend, uninitialized_var(clen);
- u32 uninitialized_var(cpos);
- u64 uninitialized_var(blkno);
+ unsigned int cend, clen;
+ u32 cpos;
+ u64 blkno;
u32 name_hash = hinfo->major_hash;
ret = ocfs2_dx_dir_lookup_rec(inode, el, name_hash, &cpos, &blkno,
@@ -894,7 +892,7 @@ static int ocfs2_dx_dir_search(const char *name, int namelen,
struct ocfs2_dir_lookup_result *res)
{
int ret, i, found;
- u64 uninitialized_var(phys);
+ u64 phys;
struct buffer_head *dx_leaf_bh = NULL;
struct ocfs2_dx_leaf *dx_leaf;
struct ocfs2_dx_entry *dx_entry = NULL;
@@ -1959,7 +1957,7 @@ bail_nolock:
}
/*
- * NOTE: this should always be called with parent dir i_mutex taken.
+ * NOTE: this should always be called with parent dir i_rwsem taken.
*/
int ocfs2_find_files_on_disk(const char *name,
int namelen,
@@ -2005,7 +2003,7 @@ int ocfs2_lookup_ino_from_name(struct inode *dir, const char *name,
* Return 0 if the name does not exist
* Return -EEXIST if the directory contains the name
*
- * Callers should have i_mutex + a cluster lock on dir
+ * Callers should have i_rwsem + a cluster lock on dir
*/
int ocfs2_check_dir_for_entry(struct inode *dir,
const char *name,
@@ -2034,7 +2032,7 @@ struct ocfs2_empty_dir_priv {
unsigned seen_other;
unsigned dx_dir;
};
-static int ocfs2_empty_dir_filldir(struct dir_context *ctx, const char *name,
+static bool ocfs2_empty_dir_filldir(struct dir_context *ctx, const char *name,
int name_len, loff_t pos, u64 ino,
unsigned type)
{
@@ -2054,7 +2052,7 @@ static int ocfs2_empty_dir_filldir(struct dir_context *ctx, const char *name,
*/
if (name_len == 1 && !strncmp(".", name, 1) && pos == 0) {
p->seen_dot = 1;
- return 0;
+ return true;
}
if (name_len == 2 && !strncmp("..", name, 2) &&
@@ -2062,13 +2060,13 @@ static int ocfs2_empty_dir_filldir(struct dir_context *ctx, const char *name,
p->seen_dot_dot = 1;
if (p->dx_dir && p->seen_dot)
- return 1;
+ return false;
- return 0;
+ return true;
}
p->seen_other = 1;
- return 1;
+ return false;
}
static int ocfs2_empty_dir_dx(struct inode *inode,
@@ -3345,7 +3343,7 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh,
struct ocfs2_dir_entry *de, *last_de = NULL;
char *de_buf, *limit;
unsigned long offset = 0;
- unsigned int rec_len, new_rec_len, free_space = dir->i_sb->s_blocksize;
+ unsigned int rec_len, new_rec_len, free_space;
/*
* This calculates how many free bytes we'd have in block zero, should
@@ -4393,9 +4391,9 @@ out:
int ocfs2_dx_dir_truncate(struct inode *dir, struct buffer_head *di_bh)
{
int ret;
- unsigned int uninitialized_var(clen);
- u32 major_hash = UINT_MAX, p_cpos, uninitialized_var(cpos);
- u64 uninitialized_var(blkno);
+ unsigned int clen;
+ u32 major_hash = UINT_MAX, p_cpos, cpos;
+ u64 blkno;
struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
struct buffer_head *dx_root_bh = NULL;
struct ocfs2_dx_root_block *dx_root;
diff --git a/fs/ocfs2/dir.h b/fs/ocfs2/dir.h
index e3e7d5dd29e8..4b9f5a12c7d2 100644
--- a/fs/ocfs2/dir.h
+++ b/fs/ocfs2/dir.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dir.h
*
* Function prototypes
diff --git a/fs/ocfs2/dlm/dlmapi.h b/fs/ocfs2/dlm/dlmapi.h
index 6456c0fbcbb2..bae60ca2672a 100644
--- a/fs/ocfs2/dlm/dlmapi.h
+++ b/fs/ocfs2/dlm/dlmapi.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmapi.h
*
* externally exported dlm interfaces
diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c
index 6abaded3ff6b..c681ba957932 100644
--- a/fs/ocfs2/dlm/dlmast.c
+++ b/fs/ocfs2/dlm/dlmast.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmast.c
*
* AST and BAST functionality for local and remote nodes
@@ -165,16 +163,6 @@ void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
spin_unlock(&lock->spinlock);
}
-void dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
-{
- BUG_ON(!dlm);
- BUG_ON(!lock);
-
- spin_lock(&dlm->ast_lock);
- __dlm_queue_bast(dlm, lock);
- spin_unlock(&dlm->ast_lock);
-}
-
static void dlm_update_lvb(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
struct dlm_lock *lock)
{
diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index 0463dce65bb2..fd2022712167 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmcommon.h
*
* Copyright (C) 2004 Oracle. All rights reserved.
@@ -17,10 +15,7 @@
#define DLM_LOCKID_NAME_MAX 32
-#define DLM_DOMAIN_NAME_MAX_LEN 255
#define DLM_LOCK_RES_OWNER_UNKNOWN O2NM_MAX_NODES
-#define DLM_THREAD_SHUFFLE_INTERVAL 5 // flush everything every 5 passes
-#define DLM_THREAD_MS 200 // flush at least every 200 ms
#define DLM_HASH_SIZE_DEFAULT (1 << 17)
#if DLM_HASH_SIZE_DEFAULT < PAGE_SIZE
@@ -564,7 +559,7 @@ struct dlm_migratable_lockres
// 48 bytes
u8 lvb[DLM_LVB_LEN];
// 112 bytes
- struct dlm_migratable_lock ml[0]; // 16 bytes each, begins at byte 112
+ struct dlm_migratable_lock ml[]; // 16 bytes each, begins at byte 112
};
#define DLM_MIG_LOCKRES_MAX_LEN \
(sizeof(struct dlm_migratable_lockres) + \
@@ -601,7 +596,7 @@ struct dlm_convert_lock
u8 name[O2NM_MAX_NAME_LEN];
- s8 lvb[0];
+ s8 lvb[];
};
#define DLM_CONVERT_LOCK_MAX_LEN (sizeof(struct dlm_convert_lock)+DLM_LVB_LEN)
@@ -616,7 +611,7 @@ struct dlm_unlock_lock
u8 name[O2NM_MAX_NAME_LEN];
- s8 lvb[0];
+ s8 lvb[];
};
#define DLM_UNLOCK_LOCK_MAX_LEN (sizeof(struct dlm_unlock_lock)+DLM_LVB_LEN)
@@ -632,7 +627,7 @@ struct dlm_proxy_ast
u8 name[O2NM_MAX_NAME_LEN];
- s8 lvb[0];
+ s8 lvb[];
};
#define DLM_PROXY_AST_MAX_LEN (sizeof(struct dlm_proxy_ast)+DLM_LVB_LEN)
@@ -902,7 +897,6 @@ void __dlm_lockres_grab_inflight_worker(struct dlm_ctxt *dlm,
struct dlm_lock_resource *res);
void dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
-void dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
void dlm_do_local_ast(struct dlm_ctxt *dlm,
diff --git a/fs/ocfs2/dlm/dlmconvert.c b/fs/ocfs2/dlm/dlmconvert.c
index 6051edc33aef..450d46eefab3 100644
--- a/fs/ocfs2/dlm/dlmconvert.c
+++ b/fs/ocfs2/dlm/dlmconvert.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmconvert.c
*
* underlying calls for lock conversion
diff --git a/fs/ocfs2/dlm/dlmconvert.h b/fs/ocfs2/dlm/dlmconvert.h
index 12d9c28bc52f..1f371716513b 100644
--- a/fs/ocfs2/dlm/dlmconvert.h
+++ b/fs/ocfs2/dlm/dlmconvert.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmconvert.h
*
* Copyright (C) 2004 Oracle. All rights reserved.
diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c
index c5c6efba7b5e..be5e9ed7da8d 100644
--- a/fs/ocfs2/dlm/dlmdebug.c
+++ b/fs/ocfs2/dlm/dlmdebug.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmdebug.c
*
* debug functionality for the dlm
@@ -244,11 +242,11 @@ static int stringify_lockname(const char *lockname, int locklen, char *buf,
memcpy((__be64 *)&inode_blkno_be,
(char *)&lockname[OCFS2_DENTRY_LOCK_INO_START],
sizeof(__be64));
- out += snprintf(buf + out, len - out, "%.*s%08x",
+ out += scnprintf(buf + out, len - out, "%.*s%08x",
OCFS2_DENTRY_LOCK_INO_START - 1, lockname,
(unsigned int)be64_to_cpu(inode_blkno_be));
} else
- out += snprintf(buf + out, len - out, "%.*s",
+ out += scnprintf(buf + out, len - out, "%.*s",
locklen, lockname);
return out;
}
@@ -260,7 +258,7 @@ static int stringify_nodemap(unsigned long *nodemap, int maxnodes,
int i = -1;
while ((i = find_next_bit(nodemap, maxnodes, i + 1)) < maxnodes)
- out += snprintf(buf + out, len - out, "%d ", i);
+ out += scnprintf(buf + out, len - out, "%d ", i);
return out;
}
@@ -278,34 +276,34 @@ static int dump_mle(struct dlm_master_list_entry *mle, char *buf, int len)
mle_type = "MIG";
out += stringify_lockname(mle->mname, mle->mnamelen, buf + out, len - out);
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"\t%3s\tmas=%3u\tnew=%3u\tevt=%1d\tuse=%1d\tref=%3d\n",
mle_type, mle->master, mle->new_master,
!list_empty(&mle->hb_events),
!!mle->inuse,
kref_read(&mle->mle_refs));
- out += snprintf(buf + out, len - out, "Maybe=");
+ out += scnprintf(buf + out, len - out, "Maybe=");
out += stringify_nodemap(mle->maybe_map, O2NM_MAX_NODES,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
- out += snprintf(buf + out, len - out, "Vote=");
+ out += scnprintf(buf + out, len - out, "Vote=");
out += stringify_nodemap(mle->vote_map, O2NM_MAX_NODES,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
- out += snprintf(buf + out, len - out, "Response=");
+ out += scnprintf(buf + out, len - out, "Response=");
out += stringify_nodemap(mle->response_map, O2NM_MAX_NODES,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
- out += snprintf(buf + out, len - out, "Node=");
+ out += scnprintf(buf + out, len - out, "Node=");
out += stringify_nodemap(mle->node_map, O2NM_MAX_NODES,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
return out;
}
@@ -353,7 +351,7 @@ static int debug_purgelist_print(struct dlm_ctxt *dlm, char *buf, int len)
int out = 0;
unsigned long total = 0;
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Dumping Purgelist for Domain: %s\n", dlm->name);
spin_lock(&dlm->spinlock);
@@ -365,13 +363,13 @@ static int debug_purgelist_print(struct dlm_ctxt *dlm, char *buf, int len)
out += stringify_lockname(res->lockname.name,
res->lockname.len,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\t%ld\n",
+ out += scnprintf(buf + out, len - out, "\t%ld\n",
(jiffies - res->last_used)/HZ);
spin_unlock(&res->spinlock);
}
spin_unlock(&dlm->spinlock);
- out += snprintf(buf + out, len - out, "Total on list: %lu\n", total);
+ out += scnprintf(buf + out, len - out, "Total on list: %lu\n", total);
return out;
}
@@ -410,7 +408,7 @@ static int debug_mle_print(struct dlm_ctxt *dlm, char *buf, int len)
int i, out = 0;
unsigned long total = 0, longest = 0, bucket_count = 0;
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Dumping MLEs for Domain: %s\n", dlm->name);
spin_lock(&dlm->master_lock);
@@ -428,7 +426,7 @@ static int debug_mle_print(struct dlm_ctxt *dlm, char *buf, int len)
}
spin_unlock(&dlm->master_lock);
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Total: %lu, Longest: %lu\n", total, longest);
return out;
}
@@ -467,7 +465,7 @@ static int dump_lock(struct dlm_lock *lock, int list_type, char *buf, int len)
#define DEBUG_LOCK_VERSION 1
spin_lock(&lock->spinlock);
- out = snprintf(buf, len, "LOCK:%d,%d,%d,%d,%d,%d:%lld,%d,%d,%d,%d,%d,"
+ out = scnprintf(buf, len, "LOCK:%d,%d,%d,%d,%d,%d:%lld,%d,%d,%d,%d,%d,"
"%d,%d,%d,%d\n",
DEBUG_LOCK_VERSION,
list_type, lock->ml.type, lock->ml.convert_type,
@@ -491,13 +489,13 @@ static int dump_lockres(struct dlm_lock_resource *res, char *buf, int len)
int i;
int out = 0;
- out += snprintf(buf + out, len - out, "NAME:");
+ out += scnprintf(buf + out, len - out, "NAME:");
out += stringify_lockname(res->lockname.name, res->lockname.len,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
#define DEBUG_LRES_VERSION 1
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"LRES:%d,%d,%d,%ld,%d,%d,%d,%d,%d,%d,%d\n",
DEBUG_LRES_VERSION,
res->owner, res->state, res->last_used,
@@ -509,17 +507,17 @@ static int dump_lockres(struct dlm_lock_resource *res, char *buf, int len)
kref_read(&res->refs));
/* refmap */
- out += snprintf(buf + out, len - out, "RMAP:");
+ out += scnprintf(buf + out, len - out, "RMAP:");
out += stringify_nodemap(res->refmap, O2NM_MAX_NODES,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
/* lvb */
- out += snprintf(buf + out, len - out, "LVBX:");
+ out += scnprintf(buf + out, len - out, "LVBX:");
for (i = 0; i < DLM_LVB_LEN; i++)
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%02x", (unsigned char)res->lvb[i]);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
/* granted */
list_for_each_entry(lock, &res->granted, list)
@@ -533,7 +531,7 @@ static int dump_lockres(struct dlm_lock_resource *res, char *buf, int len)
list_for_each_entry(lock, &res->blocked, list)
out += dump_lock(lock, 2, buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
return out;
}
@@ -543,7 +541,7 @@ static void *lockres_seq_start(struct seq_file *m, loff_t *pos)
struct debug_lockres *dl = m->private;
struct dlm_ctxt *dlm = dl->dl_ctxt;
struct dlm_lock_resource *oldres = dl->dl_res;
- struct dlm_lock_resource *res = NULL;
+ struct dlm_lock_resource *res = NULL, *iter;
struct list_head *track_list;
spin_lock(&dlm->track_lock);
@@ -558,11 +556,11 @@ static void *lockres_seq_start(struct seq_file *m, loff_t *pos)
}
}
- list_for_each_entry(res, track_list, tracking) {
- if (&res->tracking == &dlm->tracking_list)
- res = NULL;
- else
- dlm_lockres_get(res);
+ list_for_each_entry(iter, track_list, tracking) {
+ if (&iter->tracking != &dlm->tracking_list) {
+ dlm_lockres_get(iter);
+ res = iter;
+ }
break;
}
spin_unlock(&dlm->track_lock);
@@ -683,41 +681,41 @@ static int debug_state_print(struct dlm_ctxt *dlm, char *buf, int len)
}
/* Domain: xxxxxxxxxx Key: 0xdfbac769 */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Domain: %s Key: 0x%08x Protocol: %d.%d\n",
dlm->name, dlm->key, dlm->dlm_locking_proto.pv_major,
dlm->dlm_locking_proto.pv_minor);
/* Thread Pid: xxx Node: xxx State: xxxxx */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Thread Pid: %d Node: %d State: %s\n",
task_pid_nr(dlm->dlm_thread_task), dlm->node_num, state);
/* Number of Joins: xxx Joining Node: xxx */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Number of Joins: %d Joining Node: %d\n",
dlm->num_joins, dlm->joining_node);
/* Domain Map: xx xx xx */
- out += snprintf(buf + out, len - out, "Domain Map: ");
+ out += scnprintf(buf + out, len - out, "Domain Map: ");
out += stringify_nodemap(dlm->domain_map, O2NM_MAX_NODES,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
/* Exit Domain Map: xx xx xx */
- out += snprintf(buf + out, len - out, "Exit Domain Map: ");
+ out += scnprintf(buf + out, len - out, "Exit Domain Map: ");
out += stringify_nodemap(dlm->exit_domain_map, O2NM_MAX_NODES,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
/* Live Map: xx xx xx */
- out += snprintf(buf + out, len - out, "Live Map: ");
+ out += scnprintf(buf + out, len - out, "Live Map: ");
out += stringify_nodemap(dlm->live_nodes_map, O2NM_MAX_NODES,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
/* Lock Resources: xxx (xxx) */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Lock Resources: %d (%d)\n",
atomic_read(&dlm->res_cur_count),
atomic_read(&dlm->res_tot_count));
@@ -729,29 +727,29 @@ static int debug_state_print(struct dlm_ctxt *dlm, char *buf, int len)
cur_mles += atomic_read(&dlm->mle_cur_count[i]);
/* MLEs: xxx (xxx) */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"MLEs: %d (%d)\n", cur_mles, tot_mles);
/* Blocking: xxx (xxx) */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
" Blocking: %d (%d)\n",
atomic_read(&dlm->mle_cur_count[DLM_MLE_BLOCK]),
atomic_read(&dlm->mle_tot_count[DLM_MLE_BLOCK]));
/* Mastery: xxx (xxx) */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
" Mastery: %d (%d)\n",
atomic_read(&dlm->mle_cur_count[DLM_MLE_MASTER]),
atomic_read(&dlm->mle_tot_count[DLM_MLE_MASTER]));
/* Migration: xxx (xxx) */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
" Migration: %d (%d)\n",
atomic_read(&dlm->mle_cur_count[DLM_MLE_MIGRATION]),
atomic_read(&dlm->mle_tot_count[DLM_MLE_MIGRATION]));
/* Lists: Dirty=Empty Purge=InUse PendingASTs=Empty ... */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Lists: Dirty=%s Purge=%s PendingASTs=%s "
"PendingBASTs=%s\n",
(list_empty(&dlm->dirty_list) ? "Empty" : "InUse"),
@@ -760,12 +758,12 @@ static int debug_state_print(struct dlm_ctxt *dlm, char *buf, int len)
(list_empty(&dlm->pending_basts) ? "Empty" : "InUse"));
/* Purge Count: xxx Refs: xxx */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Purge Count: %d Refs: %d\n", dlm->purge_count,
kref_read(&dlm->dlm_refs));
/* Dead Node: xxx */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Dead Node: %d\n", dlm->reco.dead_node);
/* What about DLM_RECO_STATE_FINALIZE? */
@@ -775,19 +773,19 @@ static int debug_state_print(struct dlm_ctxt *dlm, char *buf, int len)
state = "INACTIVE";
/* Recovery Pid: xxxx Master: xxx State: xxxx */
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"Recovery Pid: %d Master: %d State: %s\n",
task_pid_nr(dlm->dlm_reco_thread_task),
dlm->reco.new_master, state);
/* Recovery Map: xx xx */
- out += snprintf(buf + out, len - out, "Recovery Map: ");
+ out += scnprintf(buf + out, len - out, "Recovery Map: ");
out += stringify_nodemap(dlm->recovery_map, O2NM_MAX_NODES,
buf + out, len - out);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
/* Recovery Node State: */
- out += snprintf(buf + out, len - out, "Recovery Node State:\n");
+ out += scnprintf(buf + out, len - out, "Recovery Node State:\n");
list_for_each_entry(node, &dlm->reco.node_data, list) {
switch (node->state) {
case DLM_RECO_NODE_DATA_INIT:
@@ -815,7 +813,7 @@ static int debug_state_print(struct dlm_ctxt *dlm, char *buf, int len)
state = "BAD";
break;
}
- out += snprintf(buf + out, len - out, "\t%u - %s\n",
+ out += scnprintf(buf + out, len - out, "\t%u - %s\n",
node->node_num, state);
}
diff --git a/fs/ocfs2/dlm/dlmdebug.h b/fs/ocfs2/dlm/dlmdebug.h
index f8fd8680a4b6..e08f7357e7ec 100644
--- a/fs/ocfs2/dlm/dlmdebug.h
+++ b/fs/ocfs2/dlm/dlmdebug.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmdebug.h
*
* Copyright (C) 2008 Oracle. All rights reserved.
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 357cfc702ce3..c4eccd499db8 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmdomain.c
*
* defines domain join / leave apis
@@ -1047,7 +1045,7 @@ static int dlm_send_regions(struct dlm_ctxt *dlm, unsigned long *node_map)
int status, ret = 0, i;
char *p;
- if (find_next_bit(node_map, O2NM_MAX_NODES, 0) >= O2NM_MAX_NODES)
+ if (find_first_bit(node_map, O2NM_MAX_NODES) >= O2NM_MAX_NODES)
goto bail;
qr = kzalloc(sizeof(struct dlm_query_region), GFP_KERNEL);
@@ -1219,7 +1217,7 @@ static int dlm_send_nodeinfo(struct dlm_ctxt *dlm, unsigned long *node_map)
struct o2nm_node *node;
int ret = 0, status, count, i;
- if (find_next_bit(node_map, O2NM_MAX_NODES, 0) >= O2NM_MAX_NODES)
+ if (find_first_bit(node_map, O2NM_MAX_NODES) >= O2NM_MAX_NODES)
goto bail;
qn = kzalloc(sizeof(struct dlm_query_nodeinfo), GFP_KERNEL);
diff --git a/fs/ocfs2/dlm/dlmdomain.h b/fs/ocfs2/dlm/dlmdomain.h
index 7c21664d23d0..815abe30ad09 100644
--- a/fs/ocfs2/dlm/dlmdomain.h
+++ b/fs/ocfs2/dlm/dlmdomain.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmdomain.h
*
* Copyright (C) 2004 Oracle. All rights reserved.
diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c
index 83f0760e4fba..041fd1791ae7 100644
--- a/fs/ocfs2/dlm/dlmlock.c
+++ b/fs/ocfs2/dlm/dlmlock.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmlock.c
*
* underlying calls for lock creation
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 900f7e466d11..227da5b1b6ab 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmmod.c
*
* standalone DLM module
@@ -863,7 +861,7 @@ lookup:
* to see if there are any nodes that still need to be
* considered. these will not appear in the mle nodemap
* but they might own this lockres. wait on them. */
- bit = find_next_bit(dlm->recovery_map, O2NM_MAX_NODES, 0);
+ bit = find_first_bit(dlm->recovery_map, O2NM_MAX_NODES);
if (bit < O2NM_MAX_NODES) {
mlog(0, "%s: res %.*s, At least one node (%d) "
"to recover before lock mastery can begin\n",
@@ -914,7 +912,7 @@ redo_request:
dlm_wait_for_recovery(dlm);
spin_lock(&dlm->spinlock);
- bit = find_next_bit(dlm->recovery_map, O2NM_MAX_NODES, 0);
+ bit = find_first_bit(dlm->recovery_map, O2NM_MAX_NODES);
if (bit < O2NM_MAX_NODES) {
mlog(0, "%s: res %.*s, At least one node (%d) "
"to recover before lock mastery can begin\n",
@@ -1081,7 +1079,7 @@ recheck:
sleep = 1;
/* have all nodes responded? */
if (voting_done && !*blocked) {
- bit = find_next_bit(mle->maybe_map, O2NM_MAX_NODES, 0);
+ bit = find_first_bit(mle->maybe_map, O2NM_MAX_NODES);
if (dlm->node_num <= bit) {
/* my node number is lowest.
* now tell other nodes that I am
@@ -1236,8 +1234,8 @@ static int dlm_restart_lock_mastery(struct dlm_ctxt *dlm,
} else {
mlog(ML_ERROR, "node down! %d\n", node);
if (blocked) {
- int lowest = find_next_bit(mle->maybe_map,
- O2NM_MAX_NODES, 0);
+ int lowest = find_first_bit(mle->maybe_map,
+ O2NM_MAX_NODES);
/* act like it was never there */
clear_bit(node, mle->maybe_map);
@@ -1797,7 +1795,7 @@ int dlm_assert_master_handler(struct o2net_msg *msg, u32 len, void *data,
"MLE for it! (%.*s)\n", assert->node_idx,
namelen, name);
} else {
- int bit = find_next_bit (mle->maybe_map, O2NM_MAX_NODES, 0);
+ int bit = find_first_bit(mle->maybe_map, O2NM_MAX_NODES);
if (bit >= O2NM_MAX_NODES) {
/* not necessarily an error, though less likely.
* could be master just re-asserting. */
@@ -2523,7 +2521,7 @@ static int dlm_is_lockres_migratable(struct dlm_ctxt *dlm,
}
if (!nonlocal) {
- node_ref = find_next_bit(res->refmap, O2NM_MAX_NODES, 0);
+ node_ref = find_first_bit(res->refmap, O2NM_MAX_NODES);
if (node_ref >= O2NM_MAX_NODES)
return 0;
}
@@ -2749,8 +2747,6 @@ leave:
return ret;
}
-#define DLM_MIGRATION_RETRY_MS 100
-
/*
* Should be called only after beginning the domain leave process.
* There should not be any remaining locks on nonlocal lock resources,
@@ -2762,6 +2758,7 @@ leave:
* Returns: 1 if dlm->spinlock was dropped/retaken, 0 if never dropped
*/
int dlm_empty_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
+ __must_hold(&dlm->spinlock)
{
int ret;
int lock_dropped = 0;
@@ -2980,7 +2977,7 @@ static u8 dlm_pick_migration_target(struct dlm_ctxt *dlm,
struct dlm_lock_resource *res)
{
enum dlm_lockres_list idx;
- struct list_head *queue = &res->granted;
+ struct list_head *queue;
struct dlm_lock *lock;
int noderef;
u8 nodenum = O2NM_MAX_NODES;
@@ -3306,7 +3303,7 @@ static void dlm_clean_block_mle(struct dlm_ctxt *dlm,
BUG_ON(mle->type != DLM_MLE_BLOCK);
spin_lock(&mle->spinlock);
- bit = find_next_bit(mle->maybe_map, O2NM_MAX_NODES, 0);
+ bit = find_first_bit(mle->maybe_map, O2NM_MAX_NODES);
if (bit != dead_node) {
mlog(0, "mle found, but dead node %u would not have been "
"master\n", dead_node);
@@ -3545,7 +3542,7 @@ void dlm_force_free_mles(struct dlm_ctxt *dlm)
spin_lock(&dlm->master_lock);
BUG_ON(dlm->dlm_state != DLM_CTXT_LEAVING);
- BUG_ON((find_next_bit(dlm->domain_map, O2NM_MAX_NODES, 0) < O2NM_MAX_NODES));
+ BUG_ON((find_first_bit(dlm->domain_map, O2NM_MAX_NODES) < O2NM_MAX_NODES));
for (i = 0; i < DLM_HASH_BUCKETS; i++) {
bucket = dlm_master_hash(dlm, i);
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 4b566e88582f..52ad342fec3e 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmrecovery.c
*
* recovery stuff
@@ -126,13 +124,6 @@ static inline void __dlm_reset_recovery(struct dlm_ctxt *dlm)
dlm_set_reco_master(dlm, O2NM_INVALID_NODE_NUM);
}
-static inline void dlm_reset_recovery(struct dlm_ctxt *dlm)
-{
- spin_lock(&dlm->spinlock);
- __dlm_reset_recovery(dlm);
- spin_unlock(&dlm->spinlock);
-}
-
/* Worker function used during recovery. */
void dlm_dispatch_work(struct work_struct *work)
{
@@ -460,7 +451,7 @@ static int dlm_do_recovery(struct dlm_ctxt *dlm)
if (dlm->reco.dead_node == O2NM_INVALID_NODE_NUM) {
int bit;
- bit = find_next_bit (dlm->recovery_map, O2NM_MAX_NODES, 0);
+ bit = find_first_bit(dlm->recovery_map, O2NM_MAX_NODES);
if (bit >= O2NM_MAX_NODES || bit < 0)
dlm_set_reco_dead_node(dlm, O2NM_INVALID_NODE_NUM);
else
@@ -2707,7 +2698,6 @@ static int dlm_send_begin_reco_message(struct dlm_ctxt *dlm, u8 dead_node)
continue;
}
retry:
- ret = -EINVAL;
mlog(0, "attempting to send begin reco msg to %d\n",
nodenum);
ret = o2net_send_message(DLM_BEGIN_RECO_MSG, dlm->key,
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index fd40c17cd022..eedf07ca23ca 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmthread.c
*
* standalone DLM module
@@ -39,8 +37,6 @@
static int dlm_thread(void *data);
static void dlm_flush_asts(struct dlm_ctxt *dlm);
-#define dlm_lock_is_remote(dlm, lock) ((lock)->ml.node != (dlm)->node_num)
-
/* will exit holding res->spinlock, but may drop in function */
/* waits until flags are cleared on res->state */
void __dlm_wait_on_lockres_flags(struct dlm_lock_resource *res, int flags)
@@ -96,7 +92,7 @@ int __dlm_lockres_unused(struct dlm_lock_resource *res)
return 0;
/* Another node has this resource with this node as the master */
- bit = find_next_bit(res->refmap, O2NM_MAX_NODES, 0);
+ bit = find_first_bit(res->refmap, O2NM_MAX_NODES);
if (bit < O2NM_MAX_NODES)
return 0;
@@ -680,7 +676,6 @@ static void dlm_flush_asts(struct dlm_ctxt *dlm)
#define DLM_THREAD_TIMEOUT_MS (4 * 1000)
#define DLM_THREAD_MAX_DIRTY 100
-#define DLM_THREAD_MAX_ASTS 10
static int dlm_thread(void *data)
{
diff --git a/fs/ocfs2/dlm/dlmunlock.c b/fs/ocfs2/dlm/dlmunlock.c
index dcb17ca8ae74..7318e4794ef9 100644
--- a/fs/ocfs2/dlm/dlmunlock.c
+++ b/fs/ocfs2/dlm/dlmunlock.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmunlock.c
*
* underlying calls for unlocking locks
@@ -394,9 +392,9 @@ int dlm_unlock_lock_handler(struct o2net_msg *msg, u32 len, void *data,
struct dlm_ctxt *dlm = data;
struct dlm_unlock_lock *unlock = (struct dlm_unlock_lock *)msg->buf;
struct dlm_lock_resource *res = NULL;
- struct dlm_lock *lock = NULL;
+ struct dlm_lock *lock = NULL, *iter;
enum dlm_status status = DLM_NORMAL;
- int found = 0, i;
+ int i;
struct dlm_lockstatus *lksb = NULL;
int ignore;
u32 flags;
@@ -439,7 +437,6 @@ int dlm_unlock_lock_handler(struct o2net_msg *msg, u32 len, void *data,
}
queue=&res->granted;
- found = 0;
spin_lock(&res->spinlock);
if (res->state & DLM_LOCK_RES_RECOVERING) {
spin_unlock(&res->spinlock);
@@ -463,21 +460,21 @@ int dlm_unlock_lock_handler(struct o2net_msg *msg, u32 len, void *data,
}
for (i=0; i<3; i++) {
- list_for_each_entry(lock, queue, list) {
- if (lock->ml.cookie == unlock->cookie &&
- lock->ml.node == unlock->node_idx) {
- dlm_lock_get(lock);
- found = 1;
+ list_for_each_entry(iter, queue, list) {
+ if (iter->ml.cookie == unlock->cookie &&
+ iter->ml.node == unlock->node_idx) {
+ dlm_lock_get(iter);
+ lock = iter;
break;
}
}
- if (found)
+ if (lock)
break;
/* scan granted -> converting -> blocked queues */
queue++;
}
spin_unlock(&res->spinlock);
- if (!found) {
+ if (!lock) {
status = DLM_IVLOCKID;
goto not_found;
}
@@ -507,7 +504,7 @@ int dlm_unlock_lock_handler(struct o2net_msg *msg, u32 len, void *data,
dlm_kick_thread(dlm, res);
not_found:
- if (!found)
+ if (!lock)
mlog(ML_ERROR, "failed to find lock to unlock! "
"cookie=%u:%llu\n",
dlm_get_lock_cookie_node(be64_to_cpu(unlock->cookie)),
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 8e4f1ace467c..8b2020f92b5f 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmfs.c
*
* Code which implements the kernel side of a minimal userspace
@@ -190,17 +188,18 @@ static int dlmfs_file_release(struct inode *inode,
* We do ->setattr() just to override size changes. Our size is the size
* of the LVB and nothing else.
*/
-static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr)
+static int dlmfs_file_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
int error;
struct inode *inode = d_inode(dentry);
attr->ia_valid &= ~ATTR_SIZE;
- error = setattr_prepare(dentry, attr);
+ error = setattr_prepare(&init_user_ns, dentry, attr);
if (error)
return error;
- setattr_copy(inode, attr);
+ setattr_copy(&init_user_ns, inode, attr);
mark_inode_dirty(inode);
return 0;
}
@@ -221,52 +220,17 @@ static __poll_t dlmfs_file_poll(struct file *file, poll_table *wait)
return event;
}
-static ssize_t dlmfs_file_read(struct file *filp,
+static ssize_t dlmfs_file_read(struct file *file,
char __user *buf,
size_t count,
loff_t *ppos)
{
- int bytes_left;
- ssize_t readlen, got;
- char *lvb_buf;
- struct inode *inode = file_inode(filp);
-
- mlog(0, "inode %lu, count = %zu, *ppos = %llu\n",
- inode->i_ino, count, *ppos);
+ char lvb[DLM_LVB_LEN];
- if (*ppos >= i_size_read(inode))
+ if (!user_dlm_read_lvb(file_inode(file), lvb))
return 0;
- if (!count)
- return 0;
-
- if (!access_ok(buf, count))
- return -EFAULT;
-
- /* don't read past the lvb */
- if ((count + *ppos) > i_size_read(inode))
- readlen = i_size_read(inode) - *ppos;
- else
- readlen = count;
-
- lvb_buf = kmalloc(readlen, GFP_NOFS);
- if (!lvb_buf)
- return -ENOMEM;
-
- got = user_dlm_read_lvb(inode, lvb_buf, readlen);
- if (got) {
- BUG_ON(got != readlen);
- bytes_left = __copy_to_user(buf, lvb_buf, readlen);
- readlen -= bytes_left;
- } else
- readlen = 0;
-
- kfree(lvb_buf);
-
- *ppos = *ppos + readlen;
-
- mlog(0, "read %zd bytes\n", readlen);
- return readlen;
+ return simple_read_from_buffer(buf, count, ppos, lvb, sizeof(lvb));
}
static ssize_t dlmfs_file_write(struct file *filp,
@@ -274,43 +238,31 @@ static ssize_t dlmfs_file_write(struct file *filp,
size_t count,
loff_t *ppos)
{
+ char lvb_buf[DLM_LVB_LEN];
int bytes_left;
- ssize_t writelen;
- char *lvb_buf;
struct inode *inode = file_inode(filp);
mlog(0, "inode %lu, count = %zu, *ppos = %llu\n",
inode->i_ino, count, *ppos);
- if (*ppos >= i_size_read(inode))
+ if (*ppos >= DLM_LVB_LEN)
return -ENOSPC;
- if (!count)
- return 0;
-
- if (!access_ok(buf, count))
- return -EFAULT;
-
/* don't write past the lvb */
- if ((count + *ppos) > i_size_read(inode))
- writelen = i_size_read(inode) - *ppos;
- else
- writelen = count - *ppos;
+ if (count > DLM_LVB_LEN - *ppos)
+ count = DLM_LVB_LEN - *ppos;
- lvb_buf = kmalloc(writelen, GFP_NOFS);
- if (!lvb_buf)
- return -ENOMEM;
-
- bytes_left = copy_from_user(lvb_buf, buf, writelen);
- writelen -= bytes_left;
- if (writelen)
- user_dlm_write_lvb(inode, lvb_buf, writelen);
+ if (!count)
+ return 0;
- kfree(lvb_buf);
+ bytes_left = copy_from_user(lvb_buf, buf, count);
+ count -= bytes_left;
+ if (count)
+ user_dlm_write_lvb(inode, lvb_buf, count);
- *ppos = *ppos + writelen;
- mlog(0, "wrote %zd bytes\n", writelen);
- return writelen;
+ *ppos = *ppos + count;
+ mlog(0, "wrote %zu bytes\n", count);
+ return count;
}
static void dlmfs_init_once(void *foo)
@@ -328,7 +280,7 @@ static struct inode *dlmfs_alloc_inode(struct super_block *sb)
{
struct dlmfs_inode_private *ip;
- ip = kmem_cache_alloc(dlmfs_inode_cache, GFP_NOFS);
+ ip = alloc_inode_sb(sb, dlmfs_inode_cache, GFP_NOFS);
if (!ip)
return NULL;
@@ -344,17 +296,25 @@ static void dlmfs_evict_inode(struct inode *inode)
{
int status;
struct dlmfs_inode_private *ip;
+ struct user_lock_res *lockres;
+ int teardown;
clear_inode(inode);
mlog(0, "inode %lu\n", inode->i_ino);
ip = DLMFS_I(inode);
+ lockres = &ip->ip_lockres;
if (S_ISREG(inode->i_mode)) {
- status = user_dlm_destroy_lock(&ip->ip_lockres);
- if (status < 0)
- mlog_errno(status);
+ spin_lock(&lockres->l_lock);
+ teardown = !!(lockres->l_flags & USER_LOCK_IN_TEARDOWN);
+ spin_unlock(&lockres->l_lock);
+ if (!teardown) {
+ status = user_dlm_destroy_lock(lockres);
+ if (status < 0)
+ mlog_errno(status);
+ }
iput(ip->ip_parent);
goto clear_fields;
}
@@ -376,7 +336,7 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb)
if (inode) {
inode->i_ino = get_next_ino();
- inode_init_owner(inode, NULL, mode);
+ inode_init_owner(&init_user_ns, inode, NULL, mode);
inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
inc_nlink(inode);
@@ -399,7 +359,7 @@ static struct inode *dlmfs_get_inode(struct inode *parent,
return NULL;
inode->i_ino = get_next_ino();
- inode_init_owner(inode, parent, mode);
+ inode_init_owner(&init_user_ns, inode, parent, mode);
inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
ip = DLMFS_I(inode);
@@ -442,7 +402,8 @@ static struct inode *dlmfs_get_inode(struct inode *parent,
* File creation. Allocate an inode, and we're done..
*/
/* SMP-safe */
-static int dlmfs_mkdir(struct inode * dir,
+static int dlmfs_mkdir(struct user_namespace * mnt_userns,
+ struct inode * dir,
struct dentry * dentry,
umode_t mode)
{
@@ -490,7 +451,8 @@ bail:
return status;
}
-static int dlmfs_create(struct inode *dir,
+static int dlmfs_create(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
umode_t mode,
bool excl)
diff --git a/fs/ocfs2/dlmfs/userdlm.c b/fs/ocfs2/dlmfs/userdlm.c
index 3df5be25bfb1..617c92e7b925 100644
--- a/fs/ocfs2/dlmfs/userdlm.c
+++ b/fs/ocfs2/dlmfs/userdlm.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* userdlm.c
*
* Code which implements the kernel side of a minimal userspace
@@ -435,6 +433,11 @@ again:
}
spin_lock(&lockres->l_lock);
+ if (lockres->l_flags & USER_LOCK_IN_TEARDOWN) {
+ spin_unlock(&lockres->l_lock);
+ status = -EAGAIN;
+ goto bail;
+ }
/* We only compare against the currently granted level
* here. If the lock is blocked waiting on a downconvert,
@@ -547,24 +550,20 @@ void user_dlm_write_lvb(struct inode *inode,
spin_unlock(&lockres->l_lock);
}
-ssize_t user_dlm_read_lvb(struct inode *inode,
- char *val,
- unsigned int len)
+bool user_dlm_read_lvb(struct inode *inode, char *val)
{
struct user_lock_res *lockres = &DLMFS_I(inode)->ip_lockres;
char *lvb;
- ssize_t ret = len;
-
- BUG_ON(len > DLM_LVB_LEN);
+ bool ret = true;
spin_lock(&lockres->l_lock);
BUG_ON(lockres->l_level < DLM_LOCK_PR);
if (ocfs2_dlm_lvb_valid(&lockres->l_lksb)) {
lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
- memcpy(val, lvb, len);
+ memcpy(val, lvb, DLM_LVB_LEN);
} else
- ret = 0;
+ ret = false;
spin_unlock(&lockres->l_lock);
return ret;
@@ -601,7 +600,7 @@ int user_dlm_destroy_lock(struct user_lock_res *lockres)
spin_lock(&lockres->l_lock);
if (lockres->l_flags & USER_LOCK_IN_TEARDOWN) {
spin_unlock(&lockres->l_lock);
- return 0;
+ goto bail;
}
lockres->l_flags |= USER_LOCK_IN_TEARDOWN;
@@ -615,22 +614,30 @@ int user_dlm_destroy_lock(struct user_lock_res *lockres)
}
if (lockres->l_ro_holders || lockres->l_ex_holders) {
+ lockres->l_flags &= ~USER_LOCK_IN_TEARDOWN;
spin_unlock(&lockres->l_lock);
goto bail;
}
status = 0;
if (!(lockres->l_flags & USER_LOCK_ATTACHED)) {
+ /*
+ * lock is never requested, leave USER_LOCK_IN_TEARDOWN set
+ * to avoid new lock request coming in.
+ */
spin_unlock(&lockres->l_lock);
goto bail;
}
- lockres->l_flags &= ~USER_LOCK_ATTACHED;
lockres->l_flags |= USER_LOCK_BUSY;
spin_unlock(&lockres->l_lock);
status = ocfs2_dlm_unlock(conn, &lockres->l_lksb, DLM_LKF_VALBLK);
if (status) {
+ spin_lock(&lockres->l_lock);
+ lockres->l_flags &= ~USER_LOCK_IN_TEARDOWN;
+ lockres->l_flags &= ~USER_LOCK_BUSY;
+ spin_unlock(&lockres->l_lock);
user_log_dlm_error("ocfs2_dlm_unlock", status, lockres);
goto bail;
}
diff --git a/fs/ocfs2/dlmfs/userdlm.h b/fs/ocfs2/dlmfs/userdlm.h
index 4bef7cdef859..47ba18eac423 100644
--- a/fs/ocfs2/dlmfs/userdlm.h
+++ b/fs/ocfs2/dlmfs/userdlm.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* userdlm.h
*
* Userspace dlm defines
@@ -66,9 +64,7 @@ void user_dlm_cluster_unlock(struct user_lock_res *lockres,
void user_dlm_write_lvb(struct inode *inode,
const char *val,
unsigned int len);
-ssize_t user_dlm_read_lvb(struct inode *inode,
- char *val,
- unsigned int len);
+bool user_dlm_read_lvb(struct inode *inode, char *val);
struct ocfs2_cluster_connection *user_dlm_register(const struct qstr *name);
void user_dlm_unregister(struct ocfs2_cluster_connection *conn);
void user_dlm_set_locking_protocol(void);
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index cb9e6a73bea9..c28bc983a7b1 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmglue.c
*
* Code which implements an OCFS2 specific interface to our DLM.
@@ -18,6 +16,7 @@
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/time.h>
+#include <linux/delay.h>
#include <linux/quotaops.h>
#include <linux/sched/signal.h>
@@ -689,6 +688,12 @@ static void ocfs2_nfs_sync_lock_res_init(struct ocfs2_lock_res *res,
&ocfs2_nfs_sync_lops, osb);
}
+static void ocfs2_nfs_sync_lock_init(struct ocfs2_super *osb)
+{
+ ocfs2_nfs_sync_lock_res_init(&osb->osb_nfs_sync_lockres, osb);
+ init_rwsem(&osb->nfs_sync_rwlock);
+}
+
void ocfs2_trim_fs_lock_res_init(struct ocfs2_super *osb)
{
struct ocfs2_lock_res *lockres = &osb->osb_trim_fs_lockres;
@@ -2133,7 +2138,7 @@ static void ocfs2_downconvert_on_unlock(struct ocfs2_super *osb,
}
#define OCFS2_SEC_BITS 34
-#define OCFS2_SEC_SHIFT (64 - 34)
+#define OCFS2_SEC_SHIFT (64 - OCFS2_SEC_BITS)
#define OCFS2_NSEC_MASK ((1ULL << OCFS2_SEC_SHIFT) - 1)
/* LVB only has room for 64 bits of time here so we pack it for
@@ -2198,7 +2203,7 @@ static void ocfs2_unpack_timespec(struct timespec64 *spec,
spec->tv_nsec = packed_time & OCFS2_NSEC_MASK;
}
-static void ocfs2_refresh_inode_from_lvb(struct inode *inode)
+static int ocfs2_refresh_inode_from_lvb(struct inode *inode)
{
struct ocfs2_inode_info *oi = OCFS2_I(inode);
struct ocfs2_lock_res *lockres = &oi->ip_inode_lockres;
@@ -2207,6 +2212,8 @@ static void ocfs2_refresh_inode_from_lvb(struct inode *inode)
mlog_meta_lvb(0, lockres);
lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
+ if (inode_wrong_type(inode, be16_to_cpu(lvb->lvb_imode)))
+ return -ESTALE;
/* We're safe here without the lockres lock... */
spin_lock(&oi->ip_lock);
@@ -2234,6 +2241,7 @@ static void ocfs2_refresh_inode_from_lvb(struct inode *inode)
ocfs2_unpack_timespec(&inode->i_ctime,
be64_to_cpu(lvb->lvb_ictime_packed));
spin_unlock(&oi->ip_lock);
+ return 0;
}
static inline int ocfs2_meta_lvb_is_trustable(struct inode *inode,
@@ -2336,7 +2344,8 @@ static int ocfs2_inode_lock_update(struct inode *inode,
if (ocfs2_meta_lvb_is_trustable(inode, lockres)) {
mlog(0, "Trusting LVB on inode %llu\n",
(unsigned long long)oi->ip_blkno);
- ocfs2_refresh_inode_from_lvb(inode);
+ status = ocfs2_refresh_inode_from_lvb(inode);
+ goto bail_refresh;
} else {
/* Boo, we have to go to disk. */
/* read bh, cast, ocfs2_refresh_inode */
@@ -2346,6 +2355,10 @@ static int ocfs2_inode_lock_update(struct inode *inode,
goto bail_refresh;
}
fe = (struct ocfs2_dinode *) (*bh)->b_data;
+ if (inode_wrong_type(inode, le16_to_cpu(fe->i_mode))) {
+ status = -ESTALE;
+ goto bail_refresh;
+ }
/* This is a good chance to make sure we're not
* locking an invalid object. ocfs2_read_inode_block()
@@ -2709,7 +2722,7 @@ int ocfs2_inode_lock_tracker(struct inode *inode,
return status;
}
}
- return tmp_oh ? 1 : 0;
+ return 1;
}
void ocfs2_inode_unlock_tracker(struct inode *inode,
@@ -2855,14 +2868,25 @@ int ocfs2_nfs_sync_lock(struct ocfs2_super *osb, int ex)
if (ocfs2_is_hard_readonly(osb))
return -EROFS;
+ if (ex)
+ down_write(&osb->nfs_sync_rwlock);
+ else
+ down_read(&osb->nfs_sync_rwlock);
+
if (ocfs2_mount_local(osb))
return 0;
status = ocfs2_cluster_lock(osb, lockres, ex ? LKM_EXMODE : LKM_PRMODE,
0, 0);
- if (status < 0)
+ if (status < 0) {
mlog(ML_ERROR, "lock on nfs sync lock failed %d\n", status);
+ if (ex)
+ up_write(&osb->nfs_sync_rwlock);
+ else
+ up_read(&osb->nfs_sync_rwlock);
+ }
+
return status;
}
@@ -2873,6 +2897,10 @@ void ocfs2_nfs_sync_unlock(struct ocfs2_super *osb, int ex)
if (!ocfs2_mount_local(osb))
ocfs2_cluster_unlock(osb, lockres,
ex ? LKM_EXMODE : LKM_PRMODE);
+ if (ex)
+ up_write(&osb->nfs_sync_rwlock);
+ else
+ up_read(&osb->nfs_sync_rwlock);
}
int ocfs2_trim_fs_lock(struct ocfs2_super *osb,
@@ -3340,7 +3368,7 @@ int ocfs2_dlm_init(struct ocfs2_super *osb)
local:
ocfs2_super_lock_res_init(&osb->osb_super_lockres, osb);
ocfs2_rename_lock_res_init(&osb->osb_rename_lockres, osb);
- ocfs2_nfs_sync_lock_res_init(&osb->osb_nfs_sync_lockres, osb);
+ ocfs2_nfs_sync_lock_init(osb);
ocfs2_orphan_scan_lock_res_init(&osb->osb_orphan_scan.os_lockres, osb);
osb->cconn = conn;
@@ -3375,10 +3403,12 @@ void ocfs2_dlm_shutdown(struct ocfs2_super *osb,
ocfs2_lock_res_free(&osb->osb_nfs_sync_lockres);
ocfs2_lock_res_free(&osb->osb_orphan_scan.os_lockres);
- ocfs2_cluster_disconnect(osb->cconn, hangup_pending);
- osb->cconn = NULL;
+ if (osb->cconn) {
+ ocfs2_cluster_disconnect(osb->cconn, hangup_pending);
+ osb->cconn = NULL;
- ocfs2_dlm_shutdown_debug(osb);
+ ocfs2_dlm_shutdown_debug(osb);
+ }
}
static int ocfs2_drop_lock(struct ocfs2_super *osb,
@@ -3885,6 +3915,17 @@ downconvert:
spin_unlock_irqrestore(&lockres->l_lock, flags);
ret = ocfs2_downconvert_lock(osb, lockres, new_level, set_lvb,
gen);
+ /* The dlm lock convert is being cancelled in background,
+ * ocfs2_cancel_convert() is asynchronous in fs/dlm,
+ * requeue it, try again later.
+ */
+ if (ret == -EBUSY) {
+ ctl->requeue = 1;
+ mlog(ML_BASTS, "lockres %s, ReQ: Downconvert busy\n",
+ lockres->l_name);
+ ret = 0;
+ msleep(20);
+ }
leave:
if (ret)
@@ -3912,7 +3953,7 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres,
oi = OCFS2_I(inode);
oi->ip_dir_lock_gen++;
mlog(0, "generation: %u\n", oi->ip_dir_lock_gen);
- goto out;
+ goto out_forget;
}
if (!S_ISREG(inode->i_mode))
@@ -3943,6 +3984,7 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres,
filemap_fdatawait(mapping);
}
+out_forget:
forget_all_cached_acls(inode);
out:
diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h
index b8fbed25df89..e5da5809ed95 100644
--- a/fs/ocfs2/dlmglue.h
+++ b/fs/ocfs2/dlmglue.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* dlmglue.h
*
* description here
diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c
index 69ed278dd84d..eaa8c80ace3c 100644
--- a/fs/ocfs2/export.c
+++ b/fs/ocfs2/export.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* export.c
*
* Functions to facilitate NFS exporting
diff --git a/fs/ocfs2/export.h b/fs/ocfs2/export.h
index d485da0c3439..636357400505 100644
--- a/fs/ocfs2/export.h
+++ b/fs/ocfs2/export.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* export.h
*
* Function prototypes
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index e3e2d1b2af51..70a768b623cf 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* extent_map.c
*
* Block/Cluster mapping functions
@@ -403,7 +401,7 @@ static int ocfs2_get_clusters_nocache(struct inode *inode,
{
int i, ret, tree_height, len;
struct ocfs2_dinode *di;
- struct ocfs2_extent_block *uninitialized_var(eb);
+ struct ocfs2_extent_block *eb;
struct ocfs2_extent_list *el;
struct ocfs2_extent_rec *rec;
struct buffer_head *eb_bh = NULL;
@@ -599,7 +597,7 @@ int ocfs2_get_clusters(struct inode *inode, u32 v_cluster,
unsigned int *extent_flags)
{
int ret;
- unsigned int uninitialized_var(hole_len), flags = 0;
+ unsigned int hole_len, flags = 0;
struct buffer_head *di_bh = NULL;
struct ocfs2_extent_rec rec;
@@ -733,8 +731,6 @@ static int ocfs2_fiemap_inline(struct inode *inode, struct buffer_head *di_bh,
return 0;
}
-#define OCFS2_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC)
-
int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 map_start, u64 map_len)
{
@@ -746,7 +742,7 @@ int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
struct buffer_head *di_bh = NULL;
struct ocfs2_extent_rec rec;
- ret = fiemap_check_flags(fieinfo, OCFS2_FIEMAP_FLAGS);
+ ret = fiemap_prep(inode, fieinfo, map_start, &map_len, 0);
if (ret)
return ret;
diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h
index e5464f6cee8a..bc4ed59fb925 100644
--- a/fs/ocfs2/extent_map.h
+++ b/fs/ocfs2/extent_map.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* extent_map.h
*
* In-memory file extent mappings for OCFS2.
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 6cd5e4924e4d..9c67edd215d5 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* file.c
*
* File open, close, extend, truncate
@@ -194,7 +192,7 @@ static int ocfs2_sync_file(struct file *file, loff_t start, loff_t end,
needs_barrier = true;
err = jbd2_complete_transaction(journal, commit_tid);
if (needs_barrier) {
- ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ ret = blkdev_issue_flush(inode->i_sb->s_bdev);
if (!err)
err = ret;
}
@@ -272,7 +270,7 @@ int ocfs2_update_inode_atime(struct inode *inode,
/*
* Don't use ocfs2_mark_inode_dirty() here as we don't always
- * have i_mutex to guard against concurrent changes to other
+ * have i_rwsem to guard against concurrent changes to other
* inode fields.
*/
inode->i_atime = current_time(inode);
@@ -478,10 +476,11 @@ int ocfs2_truncate_file(struct inode *inode,
* greater than page size, so we have to truncate them
* anyway.
*/
- unmap_mapping_range(inode->i_mapping, new_i_size + PAGE_SIZE - 1, 0, 1);
- truncate_inode_pages(inode->i_mapping, new_i_size);
if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
+ unmap_mapping_range(inode->i_mapping,
+ new_i_size + PAGE_SIZE - 1, 0, 1);
+ truncate_inode_pages(inode->i_mapping, new_i_size);
status = ocfs2_truncate_inline(inode, di_bh, new_i_size,
i_size_read(inode), 1);
if (status)
@@ -500,6 +499,9 @@ int ocfs2_truncate_file(struct inode *inode,
goto bail_unlock_sem;
}
+ unmap_mapping_range(inode->i_mapping, new_i_size + PAGE_SIZE - 1, 0, 1);
+ truncate_inode_pages(inode->i_mapping, new_i_size);
+
status = ocfs2_commit_truncate(osb, inode, di_bh);
if (status < 0) {
mlog_errno(status);
@@ -538,15 +540,12 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb,
struct ocfs2_alloc_context *meta_ac,
enum ocfs2_alloc_restarted *reason_ret)
{
- int ret;
struct ocfs2_extent_tree et;
ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), fe_bh);
- ret = ocfs2_add_clusters_in_btree(handle, &et, logical_offset,
- clusters_to_add, mark_unwritten,
- data_ac, meta_ac, reason_ret);
-
- return ret;
+ return ocfs2_add_clusters_in_btree(handle, &et, logical_offset,
+ clusters_to_add, mark_unwritten,
+ data_ac, meta_ac, reason_ret);
}
static int ocfs2_extend_allocation(struct inode *inode, u32 logical_start,
@@ -1066,7 +1065,7 @@ static int ocfs2_extend_file(struct inode *inode,
/*
* The alloc sem blocks people in read/write from reading our
* allocation until we're done changing it. We depend on
- * i_mutex to block other extend/truncate calls while we're
+ * i_rwsem to block other extend/truncate calls while we're
* here. We even have to hold it for sparse files because there
* might be some tail zeroing.
*/
@@ -1112,7 +1111,8 @@ out:
return ret;
}
-int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
+int ocfs2_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
int status = 0, size_change;
int inode_locked = 0;
@@ -1142,11 +1142,11 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
if (!(attr->ia_valid & OCFS2_VALID_ATTRS))
return 0;
- status = setattr_prepare(dentry, attr);
+ status = setattr_prepare(&init_user_ns, dentry, attr);
if (status)
return status;
- if (is_quota_modification(inode, attr)) {
+ if (is_quota_modification(mnt_userns, inode, attr)) {
status = dquot_initialize(inode);
if (status)
return status;
@@ -1244,26 +1244,28 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
goto bail_unlock;
}
}
+ down_write(&OCFS2_I(inode)->ip_alloc_sem);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS +
2 * ocfs2_quota_trans_credits(sb));
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
- goto bail_unlock;
+ goto bail_unlock_alloc;
}
status = __dquot_transfer(inode, transfer_to);
if (status < 0)
goto bail_commit;
} else {
+ down_write(&OCFS2_I(inode)->ip_alloc_sem);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
- goto bail_unlock;
+ goto bail_unlock_alloc;
}
}
- setattr_copy(inode, attr);
+ setattr_copy(&init_user_ns, inode, attr);
mark_inode_dirty(inode);
status = ocfs2_mark_inode_dirty(handle, inode, bh);
@@ -1272,6 +1274,8 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
bail_commit:
ocfs2_commit_trans(osb, handle);
+bail_unlock_alloc:
+ up_write(&OCFS2_I(inode)->ip_alloc_sem);
bail_unlock:
if (status && inode_locked) {
ocfs2_inode_unlock_tracker(inode, 1, &oh, had_lock);
@@ -1298,8 +1302,8 @@ bail:
return status;
}
-int ocfs2_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int ocfs2_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags)
{
struct inode *inode = d_inode(path->dentry);
struct super_block *sb = path->dentry->d_sb;
@@ -1313,7 +1317,7 @@ int ocfs2_getattr(const struct path *path, struct kstat *stat,
goto bail;
}
- generic_fillattr(inode, stat);
+ generic_fillattr(&init_user_ns, inode, stat);
/*
* If there is inline data in the inode, the inode will normally not
* have data blocks allocated (it may have an external xattr block).
@@ -1330,7 +1334,8 @@ bail:
return err;
}
-int ocfs2_permission(struct inode *inode, int mask)
+int ocfs2_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask)
{
int ret, had_lock;
struct ocfs2_lock_holder oh;
@@ -1355,7 +1360,7 @@ int ocfs2_permission(struct inode *inode, int mask)
dump_stack();
}
- ret = generic_permission(inode, mask);
+ ret = generic_permission(&init_user_ns, inode, mask);
ocfs2_inode_unlock_tracker(inode, 0, &oh, had_lock);
out:
@@ -1525,6 +1530,45 @@ static void ocfs2_truncate_cluster_pages(struct inode *inode, u64 byte_start,
}
}
+/*
+ * zero out partial blocks of one cluster.
+ *
+ * start: file offset where zero starts, will be made upper block aligned.
+ * len: it will be trimmed to the end of current cluster if "start + len"
+ * is bigger than it.
+ */
+static int ocfs2_zeroout_partial_cluster(struct inode *inode,
+ u64 start, u64 len)
+{
+ int ret;
+ u64 start_block, end_block, nr_blocks;
+ u64 p_block, offset;
+ u32 cluster, p_cluster, nr_clusters;
+ struct super_block *sb = inode->i_sb;
+ u64 end = ocfs2_align_bytes_to_clusters(sb, start);
+
+ if (start + len < end)
+ end = start + len;
+
+ start_block = ocfs2_blocks_for_bytes(sb, start);
+ end_block = ocfs2_blocks_for_bytes(sb, end);
+ nr_blocks = end_block - start_block;
+ if (!nr_blocks)
+ return 0;
+
+ cluster = ocfs2_bytes_to_clusters(sb, start);
+ ret = ocfs2_get_clusters(inode, cluster, &p_cluster,
+ &nr_clusters, NULL);
+ if (ret)
+ return ret;
+ if (!p_cluster)
+ return 0;
+
+ offset = start_block - ocfs2_clusters_to_blocks(sb, cluster);
+ p_block = ocfs2_clusters_to_blocks(sb, p_cluster) + offset;
+ return sb_issue_zeroout(sb, p_block, nr_blocks, GFP_NOFS);
+}
+
static int ocfs2_zero_partial_clusters(struct inode *inode,
u64 start, u64 len)
{
@@ -1534,6 +1578,7 @@ static int ocfs2_zero_partial_clusters(struct inode *inode,
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
unsigned int csize = osb->s_clustersize;
handle_t *handle;
+ loff_t isize = i_size_read(inode);
/*
* The "start" and "end" values are NOT necessarily part of
@@ -1554,6 +1599,26 @@ static int ocfs2_zero_partial_clusters(struct inode *inode,
if ((start & (csize - 1)) == 0 && (end & (csize - 1)) == 0)
goto out;
+ /* No page cache for EOF blocks, issue zero out to disk. */
+ if (end > isize) {
+ /*
+ * zeroout eof blocks in last cluster starting from
+ * "isize" even "start" > "isize" because it is
+ * complicated to zeroout just at "start" as "start"
+ * may be not aligned with block size, buffer write
+ * would be required to do that, but out of eof buffer
+ * write is not supported.
+ */
+ ret = ocfs2_zeroout_partial_cluster(inode, isize,
+ end - isize);
+ if (ret) {
+ mlog_errno(ret);
+ goto out;
+ }
+ if (start >= isize)
+ goto out;
+ end = isize;
+ }
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
@@ -1861,7 +1926,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
{
int ret;
s64 llen;
- loff_t size;
+ loff_t size, orig_isize;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct buffer_head *di_bh = NULL;
handle_t *handle;
@@ -1953,6 +2018,15 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
default:
ret = -EINVAL;
}
+
+ orig_isize = i_size_read(inode);
+ /* zeroout eof blocks in the cluster. */
+ if (!ret && change_size && orig_isize < size) {
+ ret = ocfs2_zeroout_partial_cluster(inode, orig_isize,
+ size - orig_isize);
+ if (!ret)
+ i_size_write(inode, size);
+ }
up_write(&OCFS2_I(inode)->ip_alloc_sem);
if (ret) {
mlog_errno(ret);
@@ -1969,9 +2043,6 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
goto out_inode_unlock;
}
- if (change_size && i_size_read(inode) < size)
- i_size_write(inode, size);
-
inode->i_ctime = inode->i_mtime = current_time(inode);
ret = ocfs2_mark_inode_dirty(handle, inode, di_bh);
if (ret < 0)
@@ -2455,7 +2526,7 @@ static ssize_t ocfs2_file_read_iter(struct kiocb *iocb,
return -EOPNOTSUPP;
/*
- * buffered reads protect themselves in ->readpage(). O_DIRECT reads
+ * buffered reads protect themselves in ->read_folio(). O_DIRECT reads
* need locks to protect pending reads from racing with truncate.
*/
if (direct_io) {
@@ -2643,6 +2714,8 @@ const struct inode_operations ocfs2_file_iops = {
.fiemap = ocfs2_fiemap,
.get_acl = ocfs2_iop_get_acl,
.set_acl = ocfs2_iop_set_acl,
+ .fileattr_get = ocfs2_fileattr_get,
+ .fileattr_set = ocfs2_fileattr_set,
};
const struct inode_operations ocfs2_special_file_iops = {
diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h
index 4832cbceba5b..71db8f3aa027 100644
--- a/fs/ocfs2/file.h
+++ b/fs/ocfs2/file.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* file.h
*
* Function prototypes
@@ -51,10 +49,13 @@ int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
u64 new_i_size, u64 zero_to);
int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
loff_t zero_to);
-int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
-int ocfs2_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags);
-int ocfs2_permission(struct inode *inode, int mask);
+int ocfs2_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr);
+int ocfs2_getattr(struct user_namespace *mnt_userns, const struct path *path,
+ struct kstat *stat, u32 request_mask, unsigned int flags);
+int ocfs2_permission(struct user_namespace *mnt_userns,
+ struct inode *inode,
+ int mask);
int ocfs2_should_update_atime(struct inode *inode,
struct vfsmount *vfsmnt);
diff --git a/fs/ocfs2/filecheck.c b/fs/ocfs2/filecheck.c
index 50f11bfdc8c2..1ad7106741f8 100644
--- a/fs/ocfs2/filecheck.c
+++ b/fs/ocfs2/filecheck.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* filecheck.c
*
* Code which implements online file check.
@@ -96,6 +94,7 @@ static struct attribute *ocfs2_filecheck_attrs[] = {
&ocfs2_filecheck_attr_set.attr,
NULL
};
+ATTRIBUTE_GROUPS(ocfs2_filecheck);
static void ocfs2_filecheck_release(struct kobject *kobj)
{
@@ -140,7 +139,7 @@ static const struct sysfs_ops ocfs2_filecheck_ops = {
};
static struct kobj_type ocfs2_ktype_filecheck = {
- .default_attrs = ocfs2_filecheck_attrs,
+ .default_groups = ocfs2_filecheck_groups,
.sysfs_ops = &ocfs2_filecheck_ops,
.release = ocfs2_filecheck_release,
};
@@ -328,11 +327,7 @@ static ssize_t ocfs2_filecheck_attr_show(struct kobject *kobj,
ret = snprintf(buf + total, remain, "%lu\t\t%u\t%s\n",
p->fe_ino, p->fe_done,
ocfs2_filecheck_error(p->fe_status));
- if (ret < 0) {
- total = ret;
- break;
- }
- if (ret == remain) {
+ if (ret >= remain) {
/* snprintf() didn't fit */
total = -E2BIG;
break;
diff --git a/fs/ocfs2/filecheck.h b/fs/ocfs2/filecheck.h
index 4d006777ac54..d3bcb8bcfeb0 100644
--- a/fs/ocfs2/filecheck.h
+++ b/fs/ocfs2/filecheck.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* filecheck.h
*
* Online file check.
diff --git a/fs/ocfs2/heartbeat.c b/fs/ocfs2/heartbeat.c
index 60c5f995d30c..22da768e65b7 100644
--- a/fs/ocfs2/heartbeat.c
+++ b/fs/ocfs2/heartbeat.c
@@ -1,15 +1,14 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* heartbeat.c
*
- * Register ourselves with the heartbaet service, keep our node maps
+ * Register ourselves with the heartbeat service, keep our node maps
* up to date, and fire off recovery when needed.
*
* Copyright (C) 2002, 2004 Oracle. All rights reserved.
*/
+#include <linux/bitmap.h>
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/highmem.h>
@@ -26,18 +25,12 @@
#include "buffer_head_io.h"
-static inline void __ocfs2_node_map_set_bit(struct ocfs2_node_map *map,
- int bit);
-static inline void __ocfs2_node_map_clear_bit(struct ocfs2_node_map *map,
- int bit);
-
/* special case -1 for now
* TODO: should *really* make sure the calling func never passes -1!! */
static void ocfs2_node_map_init(struct ocfs2_node_map *map)
{
map->num_nodes = OCFS2_NODE_MAP_MAX_NODES;
- memset(map->map, 0, BITS_TO_LONGS(OCFS2_NODE_MAP_MAX_NODES) *
- sizeof(unsigned long));
+ bitmap_zero(map->map, OCFS2_NODE_MAP_MAX_NODES);
}
void ocfs2_init_node_maps(struct ocfs2_super *osb)
@@ -67,12 +60,6 @@ void ocfs2_do_node_down(int node_num, void *data)
ocfs2_recovery_thread(osb, node_num);
}
-static inline void __ocfs2_node_map_set_bit(struct ocfs2_node_map *map,
- int bit)
-{
- set_bit(bit, map->map);
-}
-
void ocfs2_node_map_set_bit(struct ocfs2_super *osb,
struct ocfs2_node_map *map,
int bit)
@@ -81,16 +68,10 @@ void ocfs2_node_map_set_bit(struct ocfs2_super *osb,
return;
BUG_ON(bit >= map->num_nodes);
spin_lock(&osb->node_map_lock);
- __ocfs2_node_map_set_bit(map, bit);
+ set_bit(bit, map->map);
spin_unlock(&osb->node_map_lock);
}
-static inline void __ocfs2_node_map_clear_bit(struct ocfs2_node_map *map,
- int bit)
-{
- clear_bit(bit, map->map);
-}
-
void ocfs2_node_map_clear_bit(struct ocfs2_super *osb,
struct ocfs2_node_map *map,
int bit)
@@ -99,7 +80,7 @@ void ocfs2_node_map_clear_bit(struct ocfs2_super *osb,
return;
BUG_ON(bit >= map->num_nodes);
spin_lock(&osb->node_map_lock);
- __ocfs2_node_map_clear_bit(map, bit);
+ clear_bit(bit, map->map);
spin_unlock(&osb->node_map_lock);
}
diff --git a/fs/ocfs2/heartbeat.h b/fs/ocfs2/heartbeat.h
index 5fedb2d35dc0..f1f8b1802fe4 100644
--- a/fs/ocfs2/heartbeat.h
+++ b/fs/ocfs2/heartbeat.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* heartbeat.h
*
* Function prototypes
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 7c9dfd50c1c1..bb116c39b581 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* inode.c
*
* vfs' aops, fops, dops and iops
@@ -127,7 +125,7 @@ struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, unsigned flags,
struct inode *inode = NULL;
struct super_block *sb = osb->sb;
struct ocfs2_find_inode_args args;
- journal_t *journal = OCFS2_SB(sb)->journal->j_journal;
+ journal_t *journal = osb->journal->j_journal;
trace_ocfs2_iget_begin((unsigned long long)blkno, flags,
sysfile_type);
@@ -715,7 +713,7 @@ bail:
/*
* Serialize with orphan dir recovery. If the process doing
* recovery on this orphan dir does an iget() with the dir
- * i_mutex held, we'll deadlock here. Instead we detect this
+ * i_rwsem held, we'll deadlock here. Instead we detect this
* and exit early - recovery will wipe this inode for us.
*/
static int ocfs2_check_orphan_recovery_state(struct ocfs2_super *osb,
diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h
index 51a4f7197987..82b28fdacc7e 100644
--- a/fs/ocfs2/inode.h
+++ b/fs/ocfs2/inode.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* inode.h
*
* Function prototypes
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 89984172fc4a..afd54ec66103 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -10,6 +10,7 @@
#include <linux/mount.h>
#include <linux/blkdev.h>
#include <linux/compat.h>
+#include <linux/fileattr.h>
#include <cluster/masklog.h>
@@ -61,8 +62,10 @@ static inline int o2info_coherent(struct ocfs2_info_request *req)
return (!(req->ir_flags & OCFS2_INFO_FL_NON_COHERENT));
}
-static int ocfs2_get_inode_attr(struct inode *inode, unsigned *flags)
+int ocfs2_fileattr_get(struct dentry *dentry, struct fileattr *fa)
{
+ struct inode *inode = d_inode(dentry);
+ unsigned int flags;
int status;
status = ocfs2_inode_lock(inode, NULL, 0);
@@ -71,15 +74,19 @@ static int ocfs2_get_inode_attr(struct inode *inode, unsigned *flags)
return status;
}
ocfs2_get_inode_flags(OCFS2_I(inode));
- *flags = OCFS2_I(inode)->ip_attr;
+ flags = OCFS2_I(inode)->ip_attr;
ocfs2_inode_unlock(inode, 0);
+ fileattr_fill_flags(fa, flags & OCFS2_FL_VISIBLE);
+
return status;
}
-static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
- unsigned mask)
+int ocfs2_fileattr_set(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct fileattr *fa)
{
+ struct inode *inode = d_inode(dentry);
+ unsigned int flags = fa->flags;
struct ocfs2_inode_info *ocfs2_inode = OCFS2_I(inode);
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
handle_t *handle = NULL;
@@ -87,7 +94,8 @@ static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
unsigned oldflags;
int status;
- inode_lock(inode);
+ if (fileattr_has_fsx(fa))
+ return -EOPNOTSUPP;
status = ocfs2_inode_lock(inode, &bh, 1);
if (status < 0) {
@@ -95,19 +103,17 @@ static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
goto bail;
}
- status = -EACCES;
- if (!inode_owner_or_capable(inode))
- goto bail_unlock;
-
if (!S_ISDIR(inode->i_mode))
flags &= ~OCFS2_DIRSYNC_FL;
oldflags = ocfs2_inode->ip_attr;
- flags = flags & mask;
- flags |= oldflags & ~mask;
+ flags = flags & OCFS2_FL_MODIFIABLE;
+ flags |= oldflags & ~OCFS2_FL_MODIFIABLE;
- status = vfs_ioc_setflags_prepare(inode, oldflags, flags);
- if (status)
+ /* Check already done by VFS, but repeat with ocfs lock */
+ status = -EPERM;
+ if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL) &&
+ !capable(CAP_LINUX_IMMUTABLE))
goto bail_unlock;
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
@@ -129,8 +135,6 @@ static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
bail_unlock:
ocfs2_inode_unlock(inode, 1);
bail:
- inode_unlock(inode);
-
brelse(bh);
return status;
@@ -836,7 +840,6 @@ bail:
long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct inode *inode = file_inode(filp);
- unsigned int flags;
int new_clusters;
int status;
struct ocfs2_space_resv sr;
@@ -849,24 +852,6 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
void __user *argp = (void __user *)arg;
switch (cmd) {
- case OCFS2_IOC_GETFLAGS:
- status = ocfs2_get_inode_attr(inode, &flags);
- if (status < 0)
- return status;
-
- flags &= OCFS2_FL_VISIBLE;
- return put_user(flags, (int __user *) arg);
- case OCFS2_IOC_SETFLAGS:
- if (get_user(flags, (int __user *) arg))
- return -EFAULT;
-
- status = mnt_want_write_file(filp);
- if (status)
- return status;
- status = ocfs2_set_inode_attr(inode, flags,
- OCFS2_FL_MODIFIABLE);
- mnt_drop_write_file(filp);
- return status;
case OCFS2_IOC_RESVSP:
case OCFS2_IOC_RESVSP64:
case OCFS2_IOC_UNRESVSP:
@@ -918,20 +903,19 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case FITRIM:
{
struct super_block *sb = inode->i_sb;
- struct request_queue *q = bdev_get_queue(sb->s_bdev);
struct fstrim_range range;
int ret = 0;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- if (!blk_queue_discard(q))
+ if (!bdev_max_discard_sectors(sb->s_bdev))
return -EOPNOTSUPP;
if (copy_from_user(&range, argp, sizeof(range)))
return -EFAULT;
- range.minlen = max_t(u64, q->limits.discard_granularity,
+ range.minlen = max_t(u64, bdev_discard_granularity(sb->s_bdev),
range.minlen);
ret = ocfs2_trim_fs(sb, &range);
if (ret < 0)
@@ -959,12 +943,6 @@ long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg)
void __user *argp = (void __user *)arg;
switch (cmd) {
- case OCFS2_IOC32_GETFLAGS:
- cmd = OCFS2_IOC_GETFLAGS;
- break;
- case OCFS2_IOC32_SETFLAGS:
- cmd = OCFS2_IOC_SETFLAGS;
- break;
case OCFS2_IOC_RESVSP:
case OCFS2_IOC_RESVSP64:
case OCFS2_IOC_UNRESVSP:
diff --git a/fs/ocfs2/ioctl.h b/fs/ocfs2/ioctl.h
index 9f5e4d95e37f..0297c8846945 100644
--- a/fs/ocfs2/ioctl.h
+++ b/fs/ocfs2/ioctl.h
@@ -11,6 +11,9 @@
#ifndef OCFS2_IOCTL_PROTO_H
#define OCFS2_IOCTL_PROTO_H
+int ocfs2_fileattr_get(struct dentry *dentry, struct fileattr *fa);
+int ocfs2_fileattr_set(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct fileattr *fa);
long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg);
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 68ba354cf361..126671e6caed 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* journal.c
*
* Defines functions of journalling api
@@ -91,7 +89,7 @@ enum ocfs2_replay_state {
struct ocfs2_replay_map {
unsigned int rm_slots;
enum ocfs2_replay_state rm_state;
- unsigned char rm_replay_slots[0];
+ unsigned char rm_replay_slots[];
};
static void ocfs2_replay_map_set_state(struct ocfs2_super *osb, int state)
@@ -310,7 +308,7 @@ static int ocfs2_commit_cache(struct ocfs2_super *osb)
}
jbd2_journal_lock_updates(journal->j_journal);
- status = jbd2_journal_flush(journal->j_journal);
+ status = jbd2_journal_flush(journal->j_journal, 0);
jbd2_journal_unlock_updates(journal->j_journal);
if (status < 0) {
up_write(&journal->j_trans_barrier);
@@ -812,20 +810,48 @@ void ocfs2_set_journal_params(struct ocfs2_super *osb)
write_unlock(&journal->j_state_lock);
}
-int ocfs2_journal_init(struct ocfs2_journal *journal, int *dirty)
+/*
+ * alloc & initialize skeleton for journal structure.
+ * ocfs2_journal_init() will make fs have journal ability.
+ */
+int ocfs2_journal_alloc(struct ocfs2_super *osb)
+{
+ int status = 0;
+ struct ocfs2_journal *journal;
+
+ journal = kzalloc(sizeof(struct ocfs2_journal), GFP_KERNEL);
+ if (!journal) {
+ mlog(ML_ERROR, "unable to alloc journal\n");
+ status = -ENOMEM;
+ goto bail;
+ }
+ osb->journal = journal;
+ journal->j_osb = osb;
+
+ atomic_set(&journal->j_num_trans, 0);
+ init_rwsem(&journal->j_trans_barrier);
+ init_waitqueue_head(&journal->j_checkpointed);
+ spin_lock_init(&journal->j_lock);
+ journal->j_trans_id = 1UL;
+ INIT_LIST_HEAD(&journal->j_la_cleanups);
+ INIT_WORK(&journal->j_recovery_work, ocfs2_complete_recovery);
+ journal->j_state = OCFS2_JOURNAL_FREE;
+
+bail:
+ return status;
+}
+
+int ocfs2_journal_init(struct ocfs2_super *osb, int *dirty)
{
int status = -1;
struct inode *inode = NULL; /* the journal inode */
journal_t *j_journal = NULL;
+ struct ocfs2_journal *journal = osb->journal;
struct ocfs2_dinode *di = NULL;
struct buffer_head *bh = NULL;
- struct ocfs2_super *osb;
int inode_lock = 0;
BUG_ON(!journal);
-
- osb = journal->j_osb;
-
/* already have the inode for our journal */
inode = ocfs2_get_system_file_inode(osb, JOURNAL_SYSTEM_INODE,
osb->slot_num);
@@ -877,12 +903,16 @@ int ocfs2_journal_init(struct ocfs2_journal *journal, int *dirty)
goto done;
}
- trace_ocfs2_journal_init_maxlen(j_journal->j_maxlen);
+ trace_ocfs2_journal_init_maxlen(j_journal->j_total_len);
*dirty = (le32_to_cpu(di->id1.journal1.ij_flags) &
OCFS2_JOURNAL_DIRTY_FL);
journal->j_journal = j_journal;
+ journal->j_journal->j_submit_inode_data_buffers =
+ jbd2_journal_submit_inode_data_buffers;
+ journal->j_journal->j_finish_inode_data_buffers =
+ jbd2_journal_finish_inode_data_buffers;
journal->j_inode = inode;
journal->j_bh = bh;
@@ -998,7 +1028,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb)
if (ocfs2_mount_local(osb)) {
jbd2_journal_lock_updates(journal->j_journal);
- status = jbd2_journal_flush(journal->j_journal);
+ status = jbd2_journal_flush(journal->j_journal, 0);
jbd2_journal_unlock_updates(journal->j_journal);
if (status < 0)
mlog_errno(status);
@@ -1026,9 +1056,10 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb)
journal->j_state = OCFS2_JOURNAL_FREE;
-// up_write(&journal->j_trans_barrier);
done:
iput(inode);
+ kfree(journal);
+ osb->journal = NULL;
}
static void ocfs2_clear_journal_error(struct super_block *sb,
@@ -1068,7 +1099,7 @@ int ocfs2_journal_load(struct ocfs2_journal *journal, int local, int replayed)
if (replayed) {
jbd2_journal_lock_updates(journal->j_journal);
- status = jbd2_journal_flush(journal->j_journal);
+ status = jbd2_journal_flush(journal->j_journal, 0);
jbd2_journal_unlock_updates(journal->j_journal);
if (status < 0)
mlog_errno(status);
@@ -1495,10 +1526,7 @@ bail:
if (quota_enabled)
kfree(rm_quota);
- /* no one is callint kthread_stop() for us so the kthread() api
- * requires that we call do_exit(). And it isn't exported, but
- * complete_and_exit() seems to be a minimal wrapper around it. */
- complete_and_exit(NULL, status);
+ return status;
}
void ocfs2_recovery_thread(struct ocfs2_super *osb, int node_num)
@@ -1654,8 +1682,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
status = jbd2_journal_load(journal);
if (status < 0) {
mlog_errno(status);
- if (!igrab(inode))
- BUG();
+ BUG_ON(!igrab(inode));
jbd2_journal_destroy(journal);
goto done;
}
@@ -1664,7 +1691,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
/* wipe the journal */
jbd2_journal_lock_updates(journal);
- status = jbd2_journal_flush(journal);
+ status = jbd2_journal_flush(journal, 0);
jbd2_journal_unlock_updates(journal);
if (status < 0)
mlog_errno(status);
@@ -1684,8 +1711,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
if (status < 0)
mlog_errno(status);
- if (!igrab(inode))
- BUG();
+ BUG_ON(!igrab(inode));
jbd2_journal_destroy(journal);
@@ -2031,7 +2057,7 @@ struct ocfs2_orphan_filldir_priv {
enum ocfs2_orphan_reco_type orphan_reco_type;
};
-static int ocfs2_orphan_filldir(struct dir_context *ctx, const char *name,
+static bool ocfs2_orphan_filldir(struct dir_context *ctx, const char *name,
int name_len, loff_t pos, u64 ino,
unsigned type)
{
@@ -2040,21 +2066,21 @@ static int ocfs2_orphan_filldir(struct dir_context *ctx, const char *name,
struct inode *iter;
if (name_len == 1 && !strncmp(".", name, 1))
- return 0;
+ return true;
if (name_len == 2 && !strncmp("..", name, 2))
- return 0;
+ return true;
/* do not include dio entry in case of orphan scan */
if ((p->orphan_reco_type == ORPHAN_NO_NEED_TRUNCATE) &&
(!strncmp(name, OCFS2_DIO_ORPHAN_PREFIX,
OCFS2_DIO_ORPHAN_PREFIX_LEN)))
- return 0;
+ return true;
/* Skip bad inodes so that recovery can continue */
iter = ocfs2_iget(p->osb, ino,
OCFS2_FI_FLAG_ORPHAN_RECOVERY, 0);
if (IS_ERR(iter))
- return 0;
+ return true;
if (!strncmp(name, OCFS2_DIO_ORPHAN_PREFIX,
OCFS2_DIO_ORPHAN_PREFIX_LEN))
@@ -2064,7 +2090,7 @@ static int ocfs2_orphan_filldir(struct dir_context *ctx, const char *name,
* happen concurrently with unlink/rename */
if (OCFS2_I(iter)->ip_next_orphan) {
iput(iter);
- return 0;
+ return true;
}
trace_ocfs2_orphan_filldir((unsigned long long)OCFS2_I(iter)->ip_blkno);
@@ -2073,7 +2099,7 @@ static int ocfs2_orphan_filldir(struct dir_context *ctx, const char *name,
OCFS2_I(iter)->ip_next_orphan = p->head;
p->head = iter;
- return 0;
+ return true;
}
static int ocfs2_queue_orphans(struct ocfs2_super *osb,
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index bfe611ed1b1d..969d0aa28718 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* journal.h
*
* Defines journalling api and structures.
@@ -156,6 +154,7 @@ int ocfs2_compute_replay_slots(struct ocfs2_super *osb);
* Journal Control:
* Initialize, Load, Shutdown, Wipe a journal.
*
+ * ocfs2_journal_alloc - Initialize skeleton for journal structure.
* ocfs2_journal_init - Initialize journal structures in the OSB.
* ocfs2_journal_load - Load the given journal off disk. Replay it if
* there's transactions still in there.
@@ -169,8 +168,8 @@ int ocfs2_compute_replay_slots(struct ocfs2_super *osb);
* ocfs2_start_checkpoint - Kick the commit thread to do a checkpoint.
*/
void ocfs2_set_journal_params(struct ocfs2_super *osb);
-int ocfs2_journal_init(struct ocfs2_journal *journal,
- int *dirty);
+int ocfs2_journal_alloc(struct ocfs2_super *osb);
+int ocfs2_journal_init(struct ocfs2_super *osb, int *dirty);
void ocfs2_journal_shutdown(struct ocfs2_super *osb);
int ocfs2_journal_wipe(struct ocfs2_journal *journal,
int full);
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 720e9f94957e..c4426d12a2ad 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* localalloc.c
*
* Node local data allocation
@@ -608,7 +606,7 @@ out:
/*
* make sure we've got at least bits_wanted contiguous bits in the
- * local alloc. You lose them when you drop i_mutex.
+ * local alloc. You lose them when you drop i_rwsem.
*
* We will add ourselves to the transaction passed in, but may start
* our own in order to shift windows.
@@ -638,7 +636,7 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
/*
* We must double check state and allocator bits because
- * another process may have changed them while holding i_mutex.
+ * another process may have changed them while holding i_rwsem.
*/
spin_lock(&osb->osb_lock);
if (!ocfs2_la_state_enabled(osb) ||
@@ -677,7 +675,7 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
/*
* Under certain conditions, the window slide code
* might have reduced the number of bits available or
- * disabled the the local alloc entirely. Re-check
+ * disabled the local alloc entirely. Re-check
* here and return -ENOSPC if necessary.
*/
status = -ENOSPC;
@@ -1031,7 +1029,7 @@ enum ocfs2_la_event {
/*
* Given an event, calculate the size of our next local alloc window.
*
- * This should always be called under i_mutex of the local alloc inode
+ * This should always be called under i_rwsem of the local alloc inode
* so that local alloc disabling doesn't race with processes trying to
* use the allocator.
*
diff --git a/fs/ocfs2/localalloc.h b/fs/ocfs2/localalloc.h
index e8a5cea48639..08f925b7ec6d 100644
--- a/fs/ocfs2/localalloc.h
+++ b/fs/ocfs2/localalloc.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* localalloc.h
*
* Function prototypes
diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c
index 7edc4e5c7c2c..73a3854b2afb 100644
--- a/fs/ocfs2/locks.c
+++ b/fs/ocfs2/locks.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* locks.c
*
* Userspace file locking support
@@ -103,8 +101,6 @@ int ocfs2_flock(struct file *file, int cmd, struct file_lock *fl)
if (!(fl->fl_flags & FL_FLOCK))
return -ENOLCK;
- if (__mandatory_lock(inode))
- return -ENOLCK;
if ((osb->s_mount_opt & OCFS2_MOUNT_LOCALFLOCKS) ||
ocfs2_mount_local(osb))
@@ -123,8 +119,6 @@ int ocfs2_lock(struct file *file, int cmd, struct file_lock *fl)
if (!(fl->fl_flags & FL_POSIX))
return -ENOLCK;
- if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
- return -ENOLCK;
return ocfs2_plock(osb->cconn, OCFS2_I(inode)->ip_blkno, file, cmd, fl);
}
diff --git a/fs/ocfs2/locks.h b/fs/ocfs2/locks.h
index 389fe1fce3a5..b52de3947d5f 100644
--- a/fs/ocfs2/locks.h
+++ b/fs/ocfs2/locks.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* locks.h
*
* Function prototypes for Userspace file locking support
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 3a44e461828a..1834f26522ed 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* mmap.c
*
* Code to deal with the mess that is clustered mmap.
@@ -62,7 +60,7 @@ static vm_fault_t __ocfs2_page_mkwrite(struct file *file,
last_index = (size - 1) >> PAGE_SHIFT;
/*
- * There are cases that lead to the page no longer bebongs to the
+ * There are cases that lead to the page no longer belonging to the
* mapping.
* 1) pagecache truncates locally due to memory pressure.
* 2) pagecache truncates when another is taking EX lock against
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
index 758d9661ef1e..192cad0662d8 100644
--- a/fs/ocfs2/move_extents.c
+++ b/fs/ocfs2/move_extents.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* move_extents.c
*
* Copyright (C) 2011 Oracle. All rights reserved.
diff --git a/fs/ocfs2/move_extents.h b/fs/ocfs2/move_extents.h
index 28cac43892c5..987f9e559f30 100644
--- a/fs/ocfs2/move_extents.h
+++ b/fs/ocfs2/move_extents.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* move_extents.h
*
* Copyright (C) 2011 Oracle. All rights reserved.
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index da65251ef815..05f32989bad6 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* namei.c
*
* Create and rename file, directory, symlinks
@@ -50,6 +48,7 @@
#include "xattr.h"
#include "acl.h"
#include "ocfs2_trace.h"
+#include "ioctl.h"
#include "buffer_head_io.h"
@@ -198,7 +197,8 @@ static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)
* callers. */
if (S_ISDIR(mode))
set_nlink(inode, 2);
- inode_init_owner(inode, dir, mode);
+ mode = mode_strip_sgid(&init_user_ns, dir, mode);
+ inode_init_owner(&init_user_ns, inode, dir, mode);
status = dquot_initialize(inode);
if (status)
return ERR_PTR(status);
@@ -221,7 +221,8 @@ static void ocfs2_cleanup_add_entry_failure(struct ocfs2_super *osb,
iput(inode);
}
-static int ocfs2_mknod(struct inode *dir,
+static int ocfs2_mknod(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
umode_t mode,
dev_t dev)
@@ -231,6 +232,7 @@ static int ocfs2_mknod(struct inode *dir,
handle_t *handle = NULL;
struct ocfs2_super *osb;
struct ocfs2_dinode *dirfe;
+ struct ocfs2_dinode *fe = NULL;
struct buffer_head *new_fe_bh = NULL;
struct inode *inode = NULL;
struct ocfs2_alloc_context *inode_ac = NULL;
@@ -381,6 +383,7 @@ static int ocfs2_mknod(struct inode *dir,
goto leave;
}
+ fe = (struct ocfs2_dinode *) new_fe_bh->b_data;
if (S_ISDIR(mode)) {
status = ocfs2_fill_new_dir(osb, handle, dir, inode,
new_fe_bh, data_ac, meta_ac);
@@ -406,7 +409,7 @@ static int ocfs2_mknod(struct inode *dir,
if (status < 0) {
mlog_errno(status);
- goto leave;
+ goto roll_back;
}
if (si.enable) {
@@ -414,7 +417,7 @@ static int ocfs2_mknod(struct inode *dir,
meta_ac, data_ac);
if (status < 0) {
mlog_errno(status);
- goto leave;
+ goto roll_back;
}
}
@@ -427,7 +430,7 @@ static int ocfs2_mknod(struct inode *dir,
OCFS2_I(dir)->ip_blkno);
if (status) {
mlog_errno(status);
- goto leave;
+ goto roll_back;
}
dl = dentry->d_fsdata;
@@ -437,17 +440,27 @@ static int ocfs2_mknod(struct inode *dir,
&lookup);
if (status < 0) {
mlog_errno(status);
- goto leave;
+ goto roll_back;
}
insert_inode_hash(inode);
d_instantiate(dentry, inode);
status = 0;
+
+roll_back:
+ if (status < 0 && S_ISDIR(mode)) {
+ ocfs2_add_links_count(dirfe, -1);
+ drop_nlink(dir);
+ }
+
leave:
if (status < 0 && did_quota_inode)
dquot_free_inode(inode);
- if (handle)
+ if (handle) {
+ if (status < 0 && fe)
+ ocfs2_set_links_count(fe, 0);
ocfs2_commit_trans(osb, handle);
+ }
ocfs2_inode_unlock(dir, 1);
if (did_block_signals)
@@ -469,7 +482,7 @@ leave:
ocfs2_free_alloc_context(meta_ac);
/*
- * We should call iput after the i_mutex of the bitmap been
+ * We should call iput after the i_rwsem of the bitmap been
* unlocked in ocfs2_free_alloc_context, or the
* ocfs2_delete_inode will mutex_lock again.
*/
@@ -624,21 +637,13 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
return status;
}
- status = __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,
+ return __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,
parent_fe_bh, handle, inode_ac,
fe_blkno, suballoc_loc, suballoc_bit);
- if (status < 0) {
- u64 bg_blkno = ocfs2_which_suballoc_group(fe_blkno, suballoc_bit);
- int tmp = ocfs2_free_suballoc_bits(handle, inode_ac->ac_inode,
- inode_ac->ac_bh, suballoc_bit, bg_blkno, 1);
- if (tmp)
- mlog_errno(tmp);
- }
-
- return status;
}
-static int ocfs2_mkdir(struct inode *dir,
+static int ocfs2_mkdir(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
umode_t mode)
{
@@ -646,14 +651,15 @@ static int ocfs2_mkdir(struct inode *dir,
trace_ocfs2_mkdir(dir, dentry, dentry->d_name.len, dentry->d_name.name,
OCFS2_I(dir)->ip_blkno, mode);
- ret = ocfs2_mknod(dir, dentry, mode | S_IFDIR, 0);
+ ret = ocfs2_mknod(&init_user_ns, dir, dentry, mode | S_IFDIR, 0);
if (ret)
mlog_errno(ret);
return ret;
}
-static int ocfs2_create(struct inode *dir,
+static int ocfs2_create(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
umode_t mode,
bool excl)
@@ -662,7 +668,7 @@ static int ocfs2_create(struct inode *dir,
trace_ocfs2_create(dir, dentry, dentry->d_name.len, dentry->d_name.name,
(unsigned long long)OCFS2_I(dir)->ip_blkno, mode);
- ret = ocfs2_mknod(dir, dentry, mode | S_IFREG, 0);
+ ret = ocfs2_mknod(&init_user_ns, dir, dentry, mode | S_IFREG, 0);
if (ret)
mlog_errno(ret);
@@ -1081,8 +1087,8 @@ static int ocfs2_check_if_ancestor(struct ocfs2_super *osb,
child_inode_no = parent_inode_no;
if (++i >= MAX_LOOKUP_TIMES) {
- mlog(ML_NOTICE, "max lookup times reached, filesystem "
- "may have nested directories, "
+ mlog_ratelimited(ML_NOTICE, "max lookup times reached, "
+ "filesystem may have nested directories, "
"src inode: %llu, dest inode: %llu.\n",
(unsigned long long)src_inode_no,
(unsigned long long)dest_inode_no);
@@ -1188,7 +1194,8 @@ static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2)
ocfs2_inode_unlock(inode2, 1);
}
-static int ocfs2_rename(struct inode *old_dir,
+static int ocfs2_rename(struct user_namespace *mnt_userns,
+ struct inode *old_dir,
struct dentry *old_dentry,
struct inode *new_dir,
struct dentry *new_dentry,
@@ -1777,7 +1784,8 @@ bail:
return status;
}
-static int ocfs2_symlink(struct inode *dir,
+static int ocfs2_symlink(struct user_namespace *mnt_userns,
+ struct inode *dir,
struct dentry *dentry,
const char *symname)
{
@@ -2016,8 +2024,11 @@ bail:
ocfs2_clusters_to_bytes(osb->sb, 1));
if (status < 0 && did_quota_inode)
dquot_free_inode(inode);
- if (handle)
+ if (handle) {
+ if (status < 0 && fe)
+ ocfs2_set_links_count(fe, 0);
ocfs2_commit_trans(osb, handle);
+ }
ocfs2_inode_unlock(dir, 1);
if (did_block_signals)
@@ -2491,7 +2502,7 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
struct buffer_head *new_di_bh = NULL;
struct ocfs2_alloc_context *inode_ac = NULL;
struct ocfs2_dir_lookup_result orphan_insert = { NULL, };
- u64 uninitialized_var(di_blkno), suballoc_loc;
+ u64 di_blkno, suballoc_loc;
u16 suballoc_bit;
status = ocfs2_inode_lock(dir, &parent_di_bh, 1);
@@ -2906,4 +2917,6 @@ const struct inode_operations ocfs2_dir_iops = {
.fiemap = ocfs2_fiemap,
.get_acl = ocfs2_iop_get_acl,
.set_acl = ocfs2_iop_set_acl,
+ .fileattr_get = ocfs2_fileattr_get,
+ .fileattr_set = ocfs2_fileattr_set,
};
diff --git a/fs/ocfs2/namei.h b/fs/ocfs2/namei.h
index cc091ed02b4a..9cc891eb874e 100644
--- a/fs/ocfs2/namei.h
+++ b/fs/ocfs2/namei.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* namei.h
*
* Function prototypes
diff --git a/fs/ocfs2/ocfs1_fs_compat.h b/fs/ocfs2/ocfs1_fs_compat.h
index 01ae48c4834d..6dbcf3d467fb 100644
--- a/fs/ocfs2/ocfs1_fs_compat.h
+++ b/fs/ocfs2/ocfs1_fs_compat.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* ocfs1_fs_compat.h
*
* OCFS1 volume header definitions. OCFS2 creates valid but unmountable
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 9150cfa4df7d..740b64238312 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* ocfs2.h
*
* Defines macros and structures used in OCFS2
@@ -326,8 +324,8 @@ struct ocfs2_super
spinlock_t osb_lock;
u32 s_next_generation;
unsigned long osb_flags;
- s16 s_inode_steal_slot;
- s16 s_meta_steal_slot;
+ u16 s_inode_steal_slot;
+ u16 s_meta_steal_slot;
atomic_t s_num_inodes_stolen;
atomic_t s_num_meta_stolen;
@@ -356,7 +354,7 @@ struct ocfs2_super
struct delayed_work la_enable_wq;
/*
- * Must hold local alloc i_mutex and osb->osb_lock to change
+ * Must hold local alloc i_rwsem and osb->osb_lock to change
* local_alloc_bits. Reads can be done under either lock.
*/
unsigned int local_alloc_bits;
@@ -394,6 +392,7 @@ struct ocfs2_super
struct ocfs2_lock_res osb_super_lockres;
struct ocfs2_lock_res osb_rename_lockres;
struct ocfs2_lock_res osb_nfs_sync_lockres;
+ struct rw_semaphore nfs_sync_rwlock;
struct ocfs2_lock_res osb_trim_fs_lockres;
struct mutex obs_trim_fs_mutex;
struct ocfs2_dlm_debug *osb_dlm_debug;
@@ -430,7 +429,7 @@ struct ocfs2_super
atomic_t osb_tl_disable;
/*
* How many clusters in our truncate log.
- * It must be protected by osb_tl_inode->i_mutex.
+ * It must be protected by osb_tl_inode->i_rwsem.
*/
unsigned int truncated_clusters;
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 0db4a7ec58a2..7aebdbf5cc0a 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* ocfs2_fs.h
*
* On-disk structures for OCFS2.
@@ -290,7 +288,7 @@
#define OCFS2_MAX_SLOTS 255
/* Slot map indicator for an empty slot */
-#define OCFS2_INVALID_SLOT -1
+#define OCFS2_INVALID_SLOT ((u16)-1)
#define OCFS2_VOL_UUID_LEN 16
#define OCFS2_MAX_VOL_LABEL_LEN 64
@@ -326,8 +324,8 @@ struct ocfs2_system_inode_info {
enum {
BAD_BLOCK_SYSTEM_INODE = 0,
GLOBAL_INODE_ALLOC_SYSTEM_INODE,
+#define OCFS2_FIRST_ONLINE_SYSTEM_INODE GLOBAL_INODE_ALLOC_SYSTEM_INODE
SLOT_MAP_SYSTEM_INODE,
-#define OCFS2_FIRST_ONLINE_SYSTEM_INODE SLOT_MAP_SYSTEM_INODE
HEARTBEAT_SYSTEM_INODE,
GLOBAL_BITMAP_SYSTEM_INODE,
USER_QUOTA_SYSTEM_INODE,
@@ -470,7 +468,7 @@ struct ocfs2_extent_list {
__le16 l_reserved1;
__le64 l_reserved2; /* Pad to
sizeof(ocfs2_extent_rec) */
-/*10*/ struct ocfs2_extent_rec l_recs[0]; /* Extent records */
+/*10*/ struct ocfs2_extent_rec l_recs[]; /* Extent records */
};
/*
@@ -484,7 +482,7 @@ struct ocfs2_chain_list {
__le16 cl_count; /* Total chains in this list */
__le16 cl_next_free_rec; /* Next unused chain slot */
__le64 cl_reserved1;
-/*10*/ struct ocfs2_chain_rec cl_recs[0]; /* Chain records */
+/*10*/ struct ocfs2_chain_rec cl_recs[]; /* Chain records */
};
/*
@@ -496,7 +494,7 @@ struct ocfs2_truncate_log {
/*00*/ __le16 tl_count; /* Total records in this log */
__le16 tl_used; /* Number of records in use */
__le32 tl_reserved1;
-/*08*/ struct ocfs2_truncate_rec tl_recs[0]; /* Truncate records */
+/*08*/ struct ocfs2_truncate_rec tl_recs[]; /* Truncate records */
};
/*
@@ -529,7 +527,7 @@ struct ocfs2_extent_block
* value -1 (0xFFFF) is OCFS2_INVALID_SLOT. This marks a slot empty.
*/
struct ocfs2_slot_map {
-/*00*/ __le16 sm_slots[0];
+/*00*/ DECLARE_FLEX_ARRAY(__le16, sm_slots);
/*
* Actual on-disk size is one block. OCFS2_MAX_SLOTS is 255,
* 255 * sizeof(__le16) == 512B, within the 512B block minimum blocksize.
@@ -550,7 +548,7 @@ struct ocfs2_extended_slot {
* i_size.
*/
struct ocfs2_slot_map_extended {
-/*00*/ struct ocfs2_extended_slot se_slots[0];
+/*00*/ DECLARE_FLEX_ARRAY(struct ocfs2_extended_slot, se_slots);
/*
* Actual size is i_size of the slot_map system file. It should
* match s_max_slots * sizeof(struct ocfs2_extended_slot)
@@ -640,7 +638,7 @@ struct ocfs2_local_alloc
__le16 la_size; /* Size of included bitmap, in bytes */
__le16 la_reserved1;
__le64 la_reserved2;
-/*10*/ __u8 la_bitmap[0];
+/*10*/ __u8 la_bitmap[];
};
/*
@@ -653,7 +651,7 @@ struct ocfs2_inline_data
* for data, starting at id_data */
__le16 id_reserved0;
__le32 id_reserved1;
- __u8 id_data[0]; /* Start of user data */
+ __u8 id_data[]; /* Start of user data */
};
/*
@@ -729,7 +727,7 @@ struct ocfs2_dinode {
struct ocfs2_extent_list i_list;
struct ocfs2_truncate_log i_dealloc;
struct ocfs2_inline_data i_data;
- __u8 i_symlink[0];
+ DECLARE_FLEX_ARRAY(__u8, i_symlink);
} id2;
/* Actual on-disk size is one block */
};
@@ -798,7 +796,7 @@ struct ocfs2_dx_entry_list {
* possible in de_entries */
__le16 de_num_used; /* Current number of
* de_entries entries */
- struct ocfs2_dx_entry de_entries[0]; /* Indexed dir entries
+ struct ocfs2_dx_entry de_entries[]; /* Indexed dir entries
* in a packed array of
* length de_num_used */
};
@@ -894,7 +892,7 @@ struct ocfs2_group_desc
/*30*/ struct ocfs2_block_check bg_check; /* Error checking */
__le64 bg_reserved2;
/*40*/ union {
- __u8 bg_bitmap[0];
+ DECLARE_FLEX_ARRAY(__u8, bg_bitmap);
struct {
/*
* Block groups may be discontiguous when
@@ -935,7 +933,7 @@ struct ocfs2_refcount_list {
__le16 rl_used; /* Current number of used records */
__le32 rl_reserved2;
__le64 rl_reserved1; /* Pad to sizeof(ocfs2_refcount_record) */
-/*10*/ struct ocfs2_refcount_rec rl_recs[0]; /* Refcount records */
+/*10*/ struct ocfs2_refcount_rec rl_recs[]; /* Refcount records */
};
@@ -1021,7 +1019,7 @@ struct ocfs2_xattr_header {
buckets. A block uses
xb_check and sets
this field to zero.) */
- struct ocfs2_xattr_entry xh_entries[0]; /* xattr entry list. */
+ struct ocfs2_xattr_entry xh_entries[]; /* xattr entry list. */
};
/*
@@ -1207,7 +1205,7 @@ struct ocfs2_local_disk_dqinfo {
/* Header of one chunk of a quota file */
struct ocfs2_local_disk_chunk {
__le32 dqc_free; /* Number of free entries in the bitmap */
- __u8 dqc_bitmap[0]; /* Bitmap of entries in the corresponding
+ __u8 dqc_bitmap[]; /* Bitmap of entries in the corresponding
* chunk of quota file */
};
diff --git a/fs/ocfs2/ocfs2_ioctl.h b/fs/ocfs2/ocfs2_ioctl.h
index d7b31734f6be..9680797bc531 100644
--- a/fs/ocfs2/ocfs2_ioctl.h
+++ b/fs/ocfs2/ocfs2_ioctl.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* ocfs2_ioctl.h
*
* Defines OCFS2 ioctls.
@@ -13,14 +11,6 @@
#define OCFS2_IOCTL_H
/*
- * ioctl commands
- */
-#define OCFS2_IOC_GETFLAGS FS_IOC_GETFLAGS
-#define OCFS2_IOC_SETFLAGS FS_IOC_SETFLAGS
-#define OCFS2_IOC32_GETFLAGS FS_IOC32_GETFLAGS
-#define OCFS2_IOC32_SETFLAGS FS_IOC32_SETFLAGS
-
-/*
* Space reservation / allocation / free ioctls and argument structure
* are designed to be compatible with XFS.
*
diff --git a/fs/ocfs2/ocfs2_lockid.h b/fs/ocfs2/ocfs2_lockid.h
index b4be84956bc1..8ac357ce6a30 100644
--- a/fs/ocfs2/ocfs2_lockid.h
+++ b/fs/ocfs2/ocfs2_lockid.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* ocfs2_lockid.h
*
* Defines OCFS2 lockid bits.
diff --git a/fs/ocfs2/ocfs2_lockingver.h b/fs/ocfs2/ocfs2_lockingver.h
index 5c9c105b33ee..31a5e1619e7f 100644
--- a/fs/ocfs2/ocfs2_lockingver.h
+++ b/fs/ocfs2/ocfs2_lockingver.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* ocfs2_lockingver.h
*
* Defines OCFS2 Locking version values.
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index eda83487c9ec..dc9f76ab7e13 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -36,7 +36,7 @@
* should be obeyed by all the functions:
* - any write of quota structure (either to local or global file) is protected
* by dqio_sem or dquot->dq_lock.
- * - any modification of global quota file holds inode cluster lock, i_mutex,
+ * - any modification of global quota file holds inode cluster lock, i_rwsem,
* and ip_alloc_sem of the global quota file (achieved by
* ocfs2_lock_global_qf). It also has to hold qinfo_lock.
* - an allocation of new blocks for local quota file is protected by
@@ -337,7 +337,6 @@ void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex)
/* Read information header from global quota file */
int ocfs2_global_read_info(struct super_block *sb, int type)
{
- struct inode *gqinode = NULL;
unsigned int ino[OCFS2_MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
GROUP_QUOTA_SYSTEM_INODE };
struct ocfs2_global_disk_dqinfo dinfo;
@@ -346,15 +345,6 @@ int ocfs2_global_read_info(struct super_block *sb, int type)
u64 pcount;
int status;
- /* Read global header */
- gqinode = ocfs2_get_system_file_inode(OCFS2_SB(sb), ino[type],
- OCFS2_INVALID_SLOT);
- if (!gqinode) {
- mlog(ML_ERROR, "failed to get global quota inode (type=%d)\n",
- type);
- status = -EINVAL;
- goto out_err;
- }
oinfo->dqi_gi.dqi_sb = sb;
oinfo->dqi_gi.dqi_type = type;
ocfs2_qinfo_lock_res_init(&oinfo->dqi_gqlock, oinfo);
@@ -362,14 +352,24 @@ int ocfs2_global_read_info(struct super_block *sb, int type)
oinfo->dqi_gi.dqi_ops = &ocfs2_global_ops;
oinfo->dqi_gqi_bh = NULL;
oinfo->dqi_gqi_count = 0;
- oinfo->dqi_gqinode = gqinode;
+
+ /* Read global header */
+ oinfo->dqi_gqinode = ocfs2_get_system_file_inode(OCFS2_SB(sb), ino[type],
+ OCFS2_INVALID_SLOT);
+ if (!oinfo->dqi_gqinode) {
+ mlog(ML_ERROR, "failed to get global quota inode (type=%d)\n",
+ type);
+ status = -EINVAL;
+ goto out_err;
+ }
+
status = ocfs2_lock_global_qf(oinfo, 0);
if (status < 0) {
mlog_errno(status);
goto out_err;
}
- status = ocfs2_extent_map_get_blocks(gqinode, 0, &oinfo->dqi_giblk,
+ status = ocfs2_extent_map_get_blocks(oinfo->dqi_gqinode, 0, &oinfo->dqi_giblk,
&pcount, NULL);
if (status < 0)
goto out_unlock;
@@ -412,7 +412,7 @@ out_unlock:
goto out_err;
}
-/* Write information to global quota file. Expects exlusive lock on quota
+/* Write information to global quota file. Expects exclusive lock on quota
* file inode and quota info */
static int __ocfs2_global_write_info(struct super_block *sb, int type)
{
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index b1a8b046f4c2..5022b3e9bfcd 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -921,19 +921,19 @@ static struct ocfs2_quota_chunk *ocfs2_find_free_entry(struct super_block *sb,
{
struct mem_dqinfo *info = sb_dqinfo(sb, type);
struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
- struct ocfs2_quota_chunk *chunk;
+ struct ocfs2_quota_chunk *chunk = NULL, *iter;
struct ocfs2_local_disk_chunk *dchunk;
int found = 0, len;
- list_for_each_entry(chunk, &oinfo->dqi_chunk, qc_chunk) {
+ list_for_each_entry(iter, &oinfo->dqi_chunk, qc_chunk) {
dchunk = (struct ocfs2_local_disk_chunk *)
- chunk->qc_headerbh->b_data;
+ iter->qc_headerbh->b_data;
if (le32_to_cpu(dchunk->dqc_free) > 0) {
- found = 1;
+ chunk = iter;
break;
}
}
- if (!found)
+ if (!chunk)
return NULL;
if (chunk->qc_num < oinfo->dqi_chunks - 1) {
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index ee43e51188be..623db358b1ef 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* refcounttree.c
*
* Copyright (C) 2009 Oracle. All rights reserved.
@@ -154,6 +152,7 @@ ocfs2_refcount_cache_get_super(struct ocfs2_caching_info *ci)
}
static void ocfs2_refcount_cache_lock(struct ocfs2_caching_info *ci)
+__acquires(&rf->rf_lock)
{
struct ocfs2_refcount_tree *rf = cache_info_to_refcount(ci);
@@ -161,6 +160,7 @@ static void ocfs2_refcount_cache_lock(struct ocfs2_caching_info *ci)
}
static void ocfs2_refcount_cache_unlock(struct ocfs2_caching_info *ci)
+__releases(&rf->rf_lock)
{
struct ocfs2_refcount_tree *rf = cache_info_to_refcount(ci);
@@ -976,7 +976,7 @@ static int ocfs2_get_refcount_cpos_end(struct ocfs2_caching_info *ci,
return 0;
}
- if (!eb || (eb && !eb->h_next_leaf_blk)) {
+ if (!eb || !eb->h_next_leaf_blk) {
/*
* We are the last extent rec, so any high cpos should
* be stored in this leaf refcount block.
@@ -1061,7 +1061,7 @@ static int ocfs2_get_refcount_rec(struct ocfs2_caching_info *ci,
struct buffer_head **ret_bh)
{
int ret = 0, i, found;
- u32 low_cpos, uninitialized_var(cpos_end);
+ u32 low_cpos, cpos_end;
struct ocfs2_extent_list *el;
struct ocfs2_extent_rec *rec = NULL;
struct ocfs2_extent_block *eb = NULL;
@@ -2614,7 +2614,7 @@ static inline unsigned int ocfs2_cow_align_length(struct super_block *sb,
}
/*
- * Calculate out the start and number of virtual clusters we need to to CoW.
+ * Calculate out the start and number of virtual clusters we need to CoW.
*
* cpos is vitual start cluster position we want to do CoW in a
* file and write_len is the cluster length.
@@ -2961,12 +2961,14 @@ retry:
}
if (!PageUptodate(page)) {
- ret = block_read_full_page(page, ocfs2_get_block);
+ struct folio *folio = page_folio(page);
+
+ ret = block_read_full_folio(folio, ocfs2_get_block);
if (ret) {
mlog_errno(ret);
goto unlock;
}
- lock_page(page);
+ folio_lock(folio);
}
if (page_has_buffers(page)) {
@@ -3144,48 +3146,18 @@ int ocfs2_cow_sync_writeback(struct super_block *sb,
struct inode *inode,
u32 cpos, u32 num_clusters)
{
- int ret = 0;
- loff_t offset, end, map_end;
- pgoff_t page_index;
- struct page *page;
+ int ret;
+ loff_t start, end;
if (ocfs2_should_order_data(inode))
return 0;
- offset = ((loff_t)cpos) << OCFS2_SB(sb)->s_clustersize_bits;
- end = offset + (num_clusters << OCFS2_SB(sb)->s_clustersize_bits);
+ start = ((loff_t)cpos) << OCFS2_SB(sb)->s_clustersize_bits;
+ end = start + (num_clusters << OCFS2_SB(sb)->s_clustersize_bits) - 1;
- ret = filemap_fdatawrite_range(inode->i_mapping,
- offset, end - 1);
- if (ret < 0) {
+ ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ if (ret < 0)
mlog_errno(ret);
- return ret;
- }
-
- while (offset < end) {
- page_index = offset >> PAGE_SHIFT;
- map_end = ((loff_t)page_index + 1) << PAGE_SHIFT;
- if (map_end > end)
- map_end = end;
-
- page = find_or_create_page(inode->i_mapping,
- page_index, GFP_NOFS);
- BUG_ON(!page);
-
- wait_on_page_writeback(page);
- if (PageError(page)) {
- ret = -EIO;
- mlog_errno(ret);
- } else
- mark_page_accessed(page);
-
- unlock_page(page);
- put_page(page);
- page = NULL;
- offset = map_end;
- if (ret)
- break;
- }
return ret;
}
@@ -4344,7 +4316,7 @@ static inline int ocfs2_may_create(struct inode *dir, struct dentry *child)
return -EEXIST;
if (IS_DEADDIR(dir))
return -ENOENT;
- return inode_permission(dir, MAY_WRITE | MAY_EXEC);
+ return inode_permission(&init_user_ns, dir, MAY_WRITE | MAY_EXEC);
}
/**
@@ -4398,7 +4370,7 @@ static int ocfs2_vfs_reflink(struct dentry *old_dentry, struct inode *dir,
* file.
*/
if (!preserve) {
- error = inode_permission(inode, MAY_READ);
+ error = inode_permission(&init_user_ns, inode, MAY_READ);
if (error)
return error;
}
diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h
index 0b9014495726..8197a94feec0 100644
--- a/fs/ocfs2/refcounttree.h
+++ b/fs/ocfs2/refcounttree.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* refcounttree.h
*
* Copyright (C) 2009 Oracle. All rights reserved.
diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c
index 0249e8ca1028..a9d1296d736d 100644
--- a/fs/ocfs2/reservations.c
+++ b/fs/ocfs2/reservations.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* reservations.c
*
* Allocation reservations implementation
@@ -33,9 +31,6 @@
static DEFINE_SPINLOCK(resv_lock);
-#define OCFS2_MIN_RESV_WINDOW_BITS 8
-#define OCFS2_MAX_RESV_WINDOW_BITS 1024
-
int ocfs2_dir_resv_allowed(struct ocfs2_super *osb)
{
return (osb->osb_resv_level && osb->osb_dir_resv_level);
@@ -203,7 +198,7 @@ void ocfs2_resv_set_type(struct ocfs2_alloc_reservation *resv,
resv->r_flags |= flags;
}
-int ocfs2_resmap_init(struct ocfs2_super *osb,
+void ocfs2_resmap_init(struct ocfs2_super *osb,
struct ocfs2_reservation_map *resmap)
{
memset(resmap, 0, sizeof(*resmap));
@@ -212,8 +207,6 @@ int ocfs2_resmap_init(struct ocfs2_super *osb,
resmap->m_reservations = RB_ROOT;
/* m_bitmap_len is initialized to zero by the above memset. */
INIT_LIST_HEAD(&resmap->m_lru);
-
- return 0;
}
static void ocfs2_resv_mark_lru(struct ocfs2_reservation_map *resmap,
diff --git a/fs/ocfs2/reservations.h b/fs/ocfs2/reservations.h
index 6ac88122896d..ec8101ef5717 100644
--- a/fs/ocfs2/reservations.h
+++ b/fs/ocfs2/reservations.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* reservations.h
*
* Allocation reservations function prototypes and structures.
@@ -75,15 +73,10 @@ void ocfs2_resv_discard(struct ocfs2_reservation_map *resmap,
/**
* ocfs2_resmap_init() - Initialize fields of a reservations bitmap
+ * @osb: struct ocfs2_super to be saved in resmap
* @resmap: struct ocfs2_reservation_map to initialize
- * @obj: unused for now
- * @ops: unused for now
- * @max_bitmap_bytes: Maximum size of the bitmap (typically blocksize)
- *
- * Only possible return value other than '0' is -ENOMEM for failure to
- * allocation mirror bitmap.
*/
-int ocfs2_resmap_init(struct ocfs2_super *osb,
+void ocfs2_resmap_init(struct ocfs2_super *osb,
struct ocfs2_reservation_map *resmap);
/**
diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c
index 24eb52f9059c..d65d43c61857 100644
--- a/fs/ocfs2/resize.c
+++ b/fs/ocfs2/resize.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* resize.c
*
* volume resize.
diff --git a/fs/ocfs2/resize.h b/fs/ocfs2/resize.h
index 0af0c023042c..4990637219ef 100644
--- a/fs/ocfs2/resize.h
+++ b/fs/ocfs2/resize.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* resize.h
*
* Function prototypes
diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c
index 8caeceeaeda7..da7718cef735 100644
--- a/fs/ocfs2/slot_map.c
+++ b/fs/ocfs2/slot_map.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* slot_map.c
*
* Copyright (C) 2002, 2004 Oracle. All rights reserved.
diff --git a/fs/ocfs2/slot_map.h b/fs/ocfs2/slot_map.h
index 93b53e73f0f7..a43644570b53 100644
--- a/fs/ocfs2/slot_map.h
+++ b/fs/ocfs2/slot_map.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* slotmap.h
*
* description here
diff --git a/fs/ocfs2/stack_o2cb.c b/fs/ocfs2/stack_o2cb.c
index dbf8b5735808..88f75f7f02d7 100644
--- a/fs/ocfs2/stack_o2cb.c
+++ b/fs/ocfs2/stack_o2cb.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* stack_o2cb.c
*
* Code which interfaces ocfs2 with the o2cb stack.
@@ -59,31 +57,31 @@ static inline int mode_to_o2dlm(int mode)
return mode;
}
-#define map_flag(_generic, _o2dlm) \
- if (flags & (_generic)) { \
- flags &= ~(_generic); \
- o2dlm_flags |= (_o2dlm); \
- }
static int flags_to_o2dlm(u32 flags)
{
int o2dlm_flags = 0;
- map_flag(DLM_LKF_NOQUEUE, LKM_NOQUEUE);
- map_flag(DLM_LKF_CANCEL, LKM_CANCEL);
- map_flag(DLM_LKF_CONVERT, LKM_CONVERT);
- map_flag(DLM_LKF_VALBLK, LKM_VALBLK);
- map_flag(DLM_LKF_IVVALBLK, LKM_INVVALBLK);
- map_flag(DLM_LKF_ORPHAN, LKM_ORPHAN);
- map_flag(DLM_LKF_FORCEUNLOCK, LKM_FORCE);
- map_flag(DLM_LKF_TIMEOUT, LKM_TIMEOUT);
- map_flag(DLM_LKF_LOCAL, LKM_LOCAL);
-
- /* map_flag() should have cleared every flag passed in */
- BUG_ON(flags != 0);
+ if (flags & DLM_LKF_NOQUEUE)
+ o2dlm_flags |= LKM_NOQUEUE;
+ if (flags & DLM_LKF_CANCEL)
+ o2dlm_flags |= LKM_CANCEL;
+ if (flags & DLM_LKF_CONVERT)
+ o2dlm_flags |= LKM_CONVERT;
+ if (flags & DLM_LKF_VALBLK)
+ o2dlm_flags |= LKM_VALBLK;
+ if (flags & DLM_LKF_IVVALBLK)
+ o2dlm_flags |= LKM_INVVALBLK;
+ if (flags & DLM_LKF_ORPHAN)
+ o2dlm_flags |= LKM_ORPHAN;
+ if (flags & DLM_LKF_FORCEUNLOCK)
+ o2dlm_flags |= LKM_FORCE;
+ if (flags & DLM_LKF_TIMEOUT)
+ o2dlm_flags |= LKM_TIMEOUT;
+ if (flags & DLM_LKF_LOCAL)
+ o2dlm_flags |= LKM_LOCAL;
return o2dlm_flags;
}
-#undef map_flag
/*
* Map an o2dlm status to standard errno values.
diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c
index 7397064c3f35..64e6ddcfe329 100644
--- a/fs/ocfs2/stack_user.c
+++ b/fs/ocfs2/stack_user.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* stack_user.c
*
* Code which interfaces ocfs2 with fs/dlm and a userspace stack.
@@ -685,28 +683,22 @@ static int user_dlm_lock(struct ocfs2_cluster_connection *conn,
void *name,
unsigned int namelen)
{
- int ret;
-
if (!lksb->lksb_fsdlm.sb_lvbptr)
lksb->lksb_fsdlm.sb_lvbptr = (char *)lksb +
sizeof(struct dlm_lksb);
- ret = dlm_lock(conn->cc_lockspace, mode, &lksb->lksb_fsdlm,
- flags|DLM_LKF_NODLCKWT, name, namelen, 0,
- fsdlm_lock_ast_wrapper, lksb,
- fsdlm_blocking_ast_wrapper);
- return ret;
+ return dlm_lock(conn->cc_lockspace, mode, &lksb->lksb_fsdlm,
+ flags|DLM_LKF_NODLCKWT, name, namelen, 0,
+ fsdlm_lock_ast_wrapper, lksb,
+ fsdlm_blocking_ast_wrapper);
}
static int user_dlm_unlock(struct ocfs2_cluster_connection *conn,
struct ocfs2_dlm_lksb *lksb,
u32 flags)
{
- int ret;
-
- ret = dlm_unlock(conn->cc_lockspace, lksb->lksb_fsdlm.sb_lkid,
- flags, &lksb->lksb_fsdlm, lksb);
- return ret;
+ return dlm_unlock(conn->cc_lockspace, lksb->lksb_fsdlm.sb_lkid,
+ flags, &lksb->lksb_fsdlm, lksb);
}
static int user_dlm_lock_status(struct ocfs2_dlm_lksb *lksb)
@@ -999,7 +991,7 @@ static int user_cluster_connect(struct ocfs2_cluster_connection *conn)
lc->oc_type = NO_CONTROLD;
rc = dlm_new_lockspace(conn->cc_name, conn->cc_cluster_name,
- DLM_LSFL_FS | DLM_LSFL_NEWEXCL, DLM_LVB_LEN,
+ DLM_LSFL_NEWEXCL, DLM_LVB_LEN,
&ocfs2_ls_ops, conn, &ops_rv, &fsdlm);
if (rc) {
if (rc == -EEXIST || rc == -EPROTO)
diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c
index 8aa6a667860c..317126261523 100644
--- a/fs/ocfs2/stackglue.c
+++ b/fs/ocfs2/stackglue.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* stackglue.c
*
* Code which implements an OCFS2 specific interface to underlying
@@ -336,10 +334,10 @@ int ocfs2_cluster_connect(const char *stack_name,
goto out;
}
- strlcpy(new_conn->cc_name, group, GROUP_NAME_MAX + 1);
+ strscpy(new_conn->cc_name, group, GROUP_NAME_MAX + 1);
new_conn->cc_namelen = grouplen;
if (cluster_name_len)
- strlcpy(new_conn->cc_cluster_name, cluster_name,
+ strscpy(new_conn->cc_cluster_name, cluster_name,
CLUSTER_NAME_MAX + 1);
new_conn->cc_cluster_name_len = cluster_name_len;
new_conn->cc_recovery_handler = recovery_handler;
@@ -502,11 +500,7 @@ static ssize_t ocfs2_loaded_cluster_plugins_show(struct kobject *kobj,
list_for_each_entry(p, &ocfs2_stack_list, sp_list) {
ret = snprintf(buf, remain, "%s\n",
p->sp_name);
- if (ret < 0) {
- total = ret;
- break;
- }
- if (ret == remain) {
+ if (ret >= remain) {
/* snprintf() didn't fit */
total = -E2BIG;
break;
@@ -533,7 +527,7 @@ static ssize_t ocfs2_active_cluster_plugin_show(struct kobject *kobj,
if (active_stack) {
ret = snprintf(buf, PAGE_SIZE, "%s\n",
active_stack->sp_name);
- if (ret == PAGE_SIZE)
+ if (ret >= PAGE_SIZE)
ret = -E2BIG;
}
spin_unlock(&ocfs2_stack_lock);
@@ -656,8 +650,6 @@ error:
* and easier to preserve the name.
*/
-#define FS_OCFS2_NM 1
-
static struct ctl_table ocfs2_nm_table[] = {
{
.procname = "hb_ctl_path",
@@ -669,42 +661,8 @@ static struct ctl_table ocfs2_nm_table[] = {
{ }
};
-static struct ctl_table ocfs2_mod_table[] = {
- {
- .procname = "nm",
- .data = NULL,
- .maxlen = 0,
- .mode = 0555,
- .child = ocfs2_nm_table
- },
- { }
-};
-
-static struct ctl_table ocfs2_kern_table[] = {
- {
- .procname = "ocfs2",
- .data = NULL,
- .maxlen = 0,
- .mode = 0555,
- .child = ocfs2_mod_table
- },
- { }
-};
-
-static struct ctl_table ocfs2_root_table[] = {
- {
- .procname = "fs",
- .data = NULL,
- .maxlen = 0,
- .mode = 0555,
- .child = ocfs2_kern_table
- },
- { }
-};
-
static struct ctl_table_header *ocfs2_table_header;
-
/*
* Initialization
*/
@@ -713,7 +671,7 @@ static int __init ocfs2_stack_glue_init(void)
{
strcpy(cluster_stack_name, OCFS2_STACK_PLUGIN_O2CB);
- ocfs2_table_header = register_sysctl_table(ocfs2_root_table);
+ ocfs2_table_header = register_sysctl("fs/ocfs2/nm", ocfs2_nm_table);
if (!ocfs2_table_header) {
printk(KERN_ERR
"ocfs2 stack glue: unable to register sysctl\n");
@@ -733,7 +691,7 @@ static void __exit ocfs2_stack_glue_exit(void)
}
MODULE_AUTHOR("Oracle");
-MODULE_DESCRIPTION("ocfs2 cluter stack glue layer");
+MODULE_DESCRIPTION("ocfs2 cluster stack glue layer");
MODULE_LICENSE("GPL");
module_init(ocfs2_stack_glue_init);
module_exit(ocfs2_stack_glue_exit);
diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h
index e9d26cbeb3b8..3636847fae19 100644
--- a/fs/ocfs2/stackglue.h
+++ b/fs/ocfs2/stackglue.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* stackglue.h
*
* Glue to the underlying cluster stack.
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 939df99d2dec..166c8918c825 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* suballoc.c
*
* metadata alloc and free
@@ -879,9 +877,9 @@ static void __ocfs2_set_steal_slot(struct ocfs2_super *osb, int slot, int type)
{
spin_lock(&osb->osb_lock);
if (type == INODE_ALLOC_SYSTEM_INODE)
- osb->s_inode_steal_slot = slot;
+ osb->s_inode_steal_slot = (u16)slot;
else if (type == EXTENT_ALLOC_SYSTEM_INODE)
- osb->s_meta_steal_slot = slot;
+ osb->s_meta_steal_slot = (u16)slot;
spin_unlock(&osb->osb_lock);
}
@@ -1258,10 +1256,10 @@ static int ocfs2_test_bg_bit_allocatable(struct buffer_head *bg_bh,
if (ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap))
return 0;
- if (!buffer_jbd(bg_bh))
+ jh = jbd2_journal_grab_journal_head(bg_bh);
+ if (!jh)
return 1;
- jh = bh2jh(bg_bh);
spin_lock(&jh->b_state_lock);
bg = (struct ocfs2_group_desc *) jh->b_committed_data;
if (bg)
@@ -1269,6 +1267,7 @@ static int ocfs2_test_bg_bit_allocatable(struct buffer_head *bg_bh,
else
ret = 1;
spin_unlock(&jh->b_state_lock);
+ jbd2_journal_put_journal_head(jh);
return ret;
}
@@ -2509,9 +2508,6 @@ static int _ocfs2_free_suballoc_bits(handle_t *handle,
bail:
brelse(group_bh);
-
- if (status)
- mlog_errno(status);
return status;
}
@@ -2582,8 +2578,6 @@ static int _ocfs2_free_clusters(handle_t *handle,
num_clusters);
out:
- if (status)
- mlog_errno(status);
return status;
}
@@ -2830,9 +2824,12 @@ int ocfs2_test_inode_bit(struct ocfs2_super *osb, u64 blkno, int *res)
goto bail;
}
- inode_alloc_inode =
- ocfs2_get_system_file_inode(osb, INODE_ALLOC_SYSTEM_INODE,
- suballoc_slot);
+ if (suballoc_slot == (u16)OCFS2_INVALID_SLOT)
+ inode_alloc_inode = ocfs2_get_system_file_inode(osb,
+ GLOBAL_INODE_ALLOC_SYSTEM_INODE, suballoc_slot);
+ else
+ inode_alloc_inode = ocfs2_get_system_file_inode(osb,
+ INODE_ALLOC_SYSTEM_INODE, suballoc_slot);
if (!inode_alloc_inode) {
/* the error code could be inaccurate, but we are not able to
* get the correct one. */
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index f0a5d30a175d..9c74eace3adc 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* suballoc.h
*
* Defines sub allocator api
@@ -40,7 +38,7 @@ struct ocfs2_alloc_context {
u64 ac_last_group;
u64 ac_max_block; /* Highest block number to allocate. 0 is
- is the same as ~0 - unlimited */
+ the same as ~0 - unlimited */
int ac_find_loc_only; /* hack for reflink operation ordering */
struct ocfs2_suballoc_result *ac_find_loc_priv; /* */
@@ -108,7 +106,7 @@ int ocfs2_claim_clusters(handle_t *handle,
u32 *cluster_start,
u32 *num_clusters);
/*
- * Use this variant of ocfs2_claim_clusters to specify a maxiumum
+ * Use this variant of ocfs2_claim_clusters to specify a maximum
* number of clusters smaller than the allocation reserved.
*/
int __ocfs2_claim_clusters(handle_t *handle,
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 05dd68ade293..42c993e53924 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* super.c
*
* load/unload driver, mount/dismount volumes
@@ -27,7 +25,6 @@
#include <linux/mount.h>
#include <linux/seq_file.h>
#include <linux/quotaops.h>
-#include <linux/cleancache.h>
#include <linux/signal.h>
#define CREATE_TRACE_POINTS
@@ -78,7 +75,7 @@ struct mount_options
unsigned long commit_interval;
unsigned long mount_opt;
unsigned int atime_quantum;
- signed short slot;
+ unsigned short slot;
int localalloc_opt;
unsigned int resv_level;
int dir_resv_level;
@@ -220,31 +217,31 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
int i, out = 0;
unsigned long flags;
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => Id: %-s Uuid: %-s Gen: 0x%X Label: %-s\n",
"Device", osb->dev_str, osb->uuid_str,
osb->fs_generation, osb->vol_label);
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => State: %d Flags: 0x%lX\n", "Volume",
atomic_read(&osb->vol_state), osb->osb_flags);
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => Block: %lu Cluster: %d\n", "Sizes",
osb->sb->s_blocksize, osb->s_clustersize);
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => Compat: 0x%X Incompat: 0x%X "
"ROcompat: 0x%X\n",
"Features", osb->s_feature_compat,
osb->s_feature_incompat, osb->s_feature_ro_compat);
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => Opts: 0x%lX AtimeQuanta: %u\n", "Mount",
osb->s_mount_opt, osb->s_atime_quantum);
if (cconn) {
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => Stack: %s Name: %*s "
"Version: %d.%d\n", "Cluster",
(*osb->osb_cluster_stack == '\0' ?
@@ -255,7 +252,7 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
}
spin_lock_irqsave(&osb->dc_task_lock, flags);
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => Pid: %d Count: %lu WakeSeq: %lu "
"WorkSeq: %lu\n", "DownCnvt",
(osb->dc_task ? task_pid_nr(osb->dc_task) : -1),
@@ -264,32 +261,32 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
spin_unlock_irqrestore(&osb->dc_task_lock, flags);
spin_lock(&osb->osb_lock);
- out += snprintf(buf + out, len - out, "%10s => Pid: %d Nodes:",
+ out += scnprintf(buf + out, len - out, "%10s => Pid: %d Nodes:",
"Recovery",
(osb->recovery_thread_task ?
task_pid_nr(osb->recovery_thread_task) : -1));
if (rm->rm_used == 0)
- out += snprintf(buf + out, len - out, " None\n");
+ out += scnprintf(buf + out, len - out, " None\n");
else {
for (i = 0; i < rm->rm_used; i++)
- out += snprintf(buf + out, len - out, " %d",
+ out += scnprintf(buf + out, len - out, " %d",
rm->rm_entries[i]);
- out += snprintf(buf + out, len - out, "\n");
+ out += scnprintf(buf + out, len - out, "\n");
}
spin_unlock(&osb->osb_lock);
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => Pid: %d Interval: %lu\n", "Commit",
(osb->commit_task ? task_pid_nr(osb->commit_task) : -1),
osb->osb_commit_interval);
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => State: %d TxnId: %lu NumTxns: %d\n",
"Journal", osb->journal->j_state,
osb->journal->j_trans_id,
atomic_read(&osb->journal->j_num_trans));
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => GlobalAllocs: %d LocalAllocs: %d "
"SubAllocs: %d LAWinMoves: %d SAExtends: %d\n",
"Stats",
@@ -299,7 +296,7 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
atomic_read(&osb->alloc_stats.moves),
atomic_read(&osb->alloc_stats.bg_extends));
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => State: %u Descriptor: %llu Size: %u bits "
"Default: %u bits\n",
"LocalAlloc", osb->local_alloc_state,
@@ -307,7 +304,7 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
osb->local_alloc_bits, osb->local_alloc_default_bits);
spin_lock(&osb->osb_lock);
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s => InodeSlot: %d StolenInodes: %d, "
"MetaSlot: %d StolenMeta: %d\n", "Steal",
osb->s_inode_steal_slot,
@@ -316,20 +313,20 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
atomic_read(&osb->s_num_meta_stolen));
spin_unlock(&osb->osb_lock);
- out += snprintf(buf + out, len - out, "OrphanScan => ");
- out += snprintf(buf + out, len - out, "Local: %u Global: %u ",
+ out += scnprintf(buf + out, len - out, "OrphanScan => ");
+ out += scnprintf(buf + out, len - out, "Local: %u Global: %u ",
os->os_count, os->os_seqno);
- out += snprintf(buf + out, len - out, " Last Scan: ");
+ out += scnprintf(buf + out, len - out, " Last Scan: ");
if (atomic_read(&os->os_state) == ORPHAN_SCAN_INACTIVE)
- out += snprintf(buf + out, len - out, "Disabled\n");
+ out += scnprintf(buf + out, len - out, "Disabled\n");
else
- out += snprintf(buf + out, len - out, "%lu seconds ago\n",
+ out += scnprintf(buf + out, len - out, "%lu seconds ago\n",
(unsigned long)(ktime_get_seconds() - os->os_scantime));
- out += snprintf(buf + out, len - out, "%10s => %3s %10s\n",
+ out += scnprintf(buf + out, len - out, "%10s => %3s %10s\n",
"Slots", "Num", "RecoGen");
for (i = 0; i < osb->max_slots; ++i) {
- out += snprintf(buf + out, len - out,
+ out += scnprintf(buf + out, len - out,
"%10s %c %3d %10d\n",
" ",
(i == osb->slot_num ? '*' : ' '),
@@ -549,7 +546,7 @@ static struct inode *ocfs2_alloc_inode(struct super_block *sb)
{
struct ocfs2_inode_info *oi;
- oi = kmem_cache_alloc(ocfs2_inode_cachep, GFP_NOFS);
+ oi = alloc_inode_sb(sb, ocfs2_inode_cachep, GFP_NOFS);
if (!oi)
return NULL;
@@ -963,8 +960,6 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
* quota files */
dquot_disable(sb, type, DQUOT_USAGE_ENABLED |
DQUOT_LIMITS_ENABLED);
- if (!inode)
- continue;
iput(inode);
}
}
@@ -984,28 +979,27 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
if (!ocfs2_parse_options(sb, data, &parsed_options, 0)) {
status = -EINVAL;
- goto read_super_error;
+ goto out;
}
/* probe for superblock */
status = ocfs2_sb_probe(sb, &bh, &sector_size, &stats);
if (status < 0) {
mlog(ML_ERROR, "superblock probe failed!\n");
- goto read_super_error;
+ goto out;
}
status = ocfs2_initialize_super(sb, bh, sector_size, &stats);
- osb = OCFS2_SB(sb);
- if (status < 0) {
- mlog_errno(status);
- goto read_super_error;
- }
brelse(bh);
bh = NULL;
+ if (status < 0)
+ goto out;
+
+ osb = OCFS2_SB(sb);
if (!ocfs2_check_set_options(sb, &parsed_options)) {
status = -EINVAL;
- goto read_super_error;
+ goto out_super;
}
osb->s_mount_opt = parsed_options.mount_opt;
osb->s_atime_quantum = parsed_options.atime_quantum;
@@ -1022,7 +1016,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
status = ocfs2_verify_userspace_stack(osb, &parsed_options);
if (status)
- goto read_super_error;
+ goto out_super;
sb->s_magic = OCFS2_SUPER_MAGIC;
@@ -1036,7 +1030,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
status = -EACCES;
mlog(ML_ERROR, "Readonly device detected but readonly "
"mount was not specified.\n");
- goto read_super_error;
+ goto out_super;
}
/* You should not be able to start a local heartbeat
@@ -1045,7 +1039,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
status = -EROFS;
mlog(ML_ERROR, "Local heartbeat specified on readonly "
"device.\n");
- goto read_super_error;
+ goto out_super;
}
status = ocfs2_check_journals_nolocks(osb);
@@ -1054,9 +1048,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
mlog(ML_ERROR, "Recovery required on readonly "
"file system, but write access is "
"unavailable.\n");
- else
- mlog_errno(status);
- goto read_super_error;
+ goto out_super;
}
ocfs2_set_ro_flag(osb, 1);
@@ -1072,10 +1064,8 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
}
status = ocfs2_verify_heartbeat(osb);
- if (status < 0) {
- mlog_errno(status);
- goto read_super_error;
- }
+ if (status < 0)
+ goto out_super;
osb->osb_debug_root = debugfs_create_dir(osb->uuid_str,
ocfs2_debugfs_root);
@@ -1089,34 +1079,22 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
status = ocfs2_mount_volume(sb);
if (status < 0)
- goto read_super_error;
+ goto out_debugfs;
if (osb->root_inode)
inode = igrab(osb->root_inode);
if (!inode) {
status = -EIO;
- mlog_errno(status);
- goto read_super_error;
- }
-
- root = d_make_root(inode);
- if (!root) {
- status = -ENOMEM;
- mlog_errno(status);
- goto read_super_error;
+ goto out_dismount;
}
- sb->s_root = root;
-
- ocfs2_complete_mount_recovery(osb);
-
osb->osb_dev_kset = kset_create_and_add(sb->s_id, NULL,
&ocfs2_kset->kobj);
if (!osb->osb_dev_kset) {
status = -ENOMEM;
mlog(ML_ERROR, "Unable to create device kset %s.\n", sb->s_id);
- goto read_super_error;
+ goto out_dismount;
}
/* Create filecheck sysfs related directories/files at
@@ -1125,9 +1103,19 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
status = -ENOMEM;
mlog(ML_ERROR, "Unable to create filecheck sysfs directory at "
"/sys/fs/ocfs2/%s/filecheck.\n", sb->s_id);
- goto read_super_error;
+ goto out_dismount;
}
+ root = d_make_root(inode);
+ if (!root) {
+ status = -ENOMEM;
+ goto out_dismount;
+ }
+
+ sb->s_root = root;
+
+ ocfs2_complete_mount_recovery(osb);
+
if (ocfs2_mount_local(osb))
snprintf(nodestr, sizeof(nodestr), "local");
else
@@ -1168,17 +1156,21 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
return status;
-read_super_error:
- brelse(bh);
-
- if (status)
- mlog_errno(status);
+out_dismount:
+ atomic_set(&osb->vol_state, VOLUME_DISABLED);
+ wake_up(&osb->osb_mount_event);
+ ocfs2_dismount_volume(sb, 1);
+ goto out;
- if (osb) {
- atomic_set(&osb->vol_state, VOLUME_DISABLED);
- wake_up(&osb->osb_mount_event);
- ocfs2_dismount_volume(sb, 1);
- }
+out_debugfs:
+ debugfs_remove_recursive(osb->osb_debug_root);
+out_super:
+ ocfs2_release_system_inodes(osb);
+ kfree(osb->recovery_map);
+ ocfs2_delete_osb(osb);
+ kfree(osb);
+out:
+ mlog_errno(status);
return status;
}
@@ -1334,7 +1326,7 @@ static int ocfs2_parse_options(struct super_block *sb,
goto bail;
}
if (option)
- mopt->slot = (s16)option;
+ mopt->slot = (u16)option;
break;
case Opt_commit:
if (match_int(&args[0], &option)) {
@@ -1692,6 +1684,7 @@ static void ocfs2_inode_init_once(void *data)
oi->ip_blkno = 0ULL;
oi->ip_clusters = 0;
+ oi->ip_next_orphan = NULL;
ocfs2_resv_init_once(&oi->ip_la_data_resv);
@@ -1771,9 +1764,7 @@ static int ocfs2_get_sector(struct super_block *sb,
if (!buffer_dirty(*bh))
clear_buffer_uptodate(*bh);
unlock_buffer(*bh);
- ll_rw_block(REQ_OP_READ, 0, 1, bh);
- wait_on_buffer(*bh);
- if (!buffer_uptodate(*bh)) {
+ if (bh_read(*bh, 0) < 0) {
mlog_errno(-EIO);
brelse(*bh);
*bh = NULL;
@@ -1786,11 +1777,10 @@ static int ocfs2_get_sector(struct super_block *sb,
static int ocfs2_mount_volume(struct super_block *sb)
{
int status = 0;
- int unlock_super = 0;
struct ocfs2_super *osb = OCFS2_SB(sb);
if (ocfs2_is_hard_readonly(osb))
- goto leave;
+ goto out;
mutex_init(&osb->obs_trim_fs_mutex);
@@ -1800,44 +1790,56 @@ static int ocfs2_mount_volume(struct super_block *sb)
if (status == -EBADR && ocfs2_userspace_stack(osb))
mlog(ML_ERROR, "couldn't mount because cluster name on"
" disk does not match the running cluster name.\n");
- goto leave;
+ goto out;
}
status = ocfs2_super_lock(osb, 1);
if (status < 0) {
mlog_errno(status);
- goto leave;
+ goto out_dlm;
}
- unlock_super = 1;
/* This will load up the node map and add ourselves to it. */
status = ocfs2_find_slot(osb);
if (status < 0) {
mlog_errno(status);
- goto leave;
+ goto out_super_lock;
}
/* load all node-local system inodes */
status = ocfs2_init_local_system_inodes(osb);
if (status < 0) {
mlog_errno(status);
- goto leave;
+ goto out_super_lock;
}
status = ocfs2_check_volume(osb);
if (status < 0) {
mlog_errno(status);
- goto leave;
+ goto out_system_inodes;
}
status = ocfs2_truncate_log_init(osb);
- if (status < 0)
+ if (status < 0) {
mlog_errno(status);
+ goto out_system_inodes;
+ }
-leave:
- if (unlock_super)
- ocfs2_super_unlock(osb, 1);
+ ocfs2_super_unlock(osb, 1);
+ return 0;
+out_system_inodes:
+ if (osb->local_alloc_state == OCFS2_LA_ENABLED)
+ ocfs2_shutdown_local_alloc(osb);
+ ocfs2_release_system_inodes(osb);
+ /* before journal shutdown, we should release slot_info */
+ ocfs2_free_slot_info(osb);
+ ocfs2_journal_shutdown(osb);
+out_super_lock:
+ ocfs2_super_unlock(osb, 1);
+out_dlm:
+ ocfs2_dlm_shutdown(osb, 0);
+out:
return status;
}
@@ -1876,8 +1878,6 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
/* This will disable recovery and flush any recovery work. */
ocfs2_recovery_exit(osb);
- ocfs2_journal_shutdown(osb);
-
ocfs2_sync_blockdev(sb);
ocfs2_purge_refcount_trees(osb);
@@ -1900,6 +1900,8 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
ocfs2_release_system_inodes(osb);
+ ocfs2_journal_shutdown(osb);
+
/*
* If we're dismounting due to mount error, mount.ocfs2 will clean
* up heartbeat. If we're a local mount, there is no heartbeat.
@@ -1910,8 +1912,7 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
!ocfs2_is_hard_readonly(osb))
hangup_needed = 1;
- if (osb->cconn)
- ocfs2_dlm_shutdown(osb, hangup_needed);
+ ocfs2_dlm_shutdown(osb, hangup_needed);
ocfs2_blockcheck_stats_debugfs_remove(&osb->osb_ecc_stats);
debugfs_remove_recursive(osb->osb_debug_root);
@@ -1998,7 +1999,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
int i, cbits, bbits;
struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;
struct inode *inode = NULL;
- struct ocfs2_journal *journal;
struct ocfs2_super *osb;
u64 total_blocks;
@@ -2006,7 +2006,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
if (!osb) {
status = -ENOMEM;
mlog_errno(status);
- goto bail;
+ goto out;
}
sb->s_fs_info = osb;
@@ -2067,7 +2067,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
mlog(ML_ERROR, "Invalid number of node slots (%u)\n",
osb->max_slots);
status = -EINVAL;
- goto bail;
+ goto out;
}
ocfs2_orphan_scan_init(osb);
@@ -2076,7 +2076,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
if (status) {
mlog(ML_ERROR, "Unable to initialize recovery state\n");
mlog_errno(status);
- goto bail;
+ goto out;
}
init_waitqueue_head(&osb->checkpoint_event);
@@ -2094,17 +2094,13 @@ static int ocfs2_initialize_super(struct super_block *sb,
init_waitqueue_head(&osb->osb_mount_event);
- status = ocfs2_resmap_init(osb, &osb->osb_la_resmap);
- if (status) {
- mlog_errno(status);
- goto bail;
- }
+ ocfs2_resmap_init(osb, &osb->osb_la_resmap);
osb->vol_label = kmalloc(OCFS2_MAX_VOL_LABEL_LEN, GFP_KERNEL);
if (!osb->vol_label) {
mlog(ML_ERROR, "unable to alloc vol label\n");
status = -ENOMEM;
- goto bail;
+ goto out_recovery_map;
}
osb->slot_recovery_generations =
@@ -2113,7 +2109,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
if (!osb->slot_recovery_generations) {
status = -ENOMEM;
mlog_errno(status);
- goto bail;
+ goto out_vol_label;
}
init_waitqueue_head(&osb->osb_wipe_event);
@@ -2123,7 +2119,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
if (!osb->osb_orphan_wipes) {
status = -ENOMEM;
mlog_errno(status);
- goto bail;
+ goto out_slot_recovery_gen;
}
osb->osb_rf_lock_tree = RB_ROOT;
@@ -2139,32 +2135,38 @@ static int ocfs2_initialize_super(struct super_block *sb,
mlog(ML_ERROR, "couldn't mount because of unsupported "
"optional features (%x).\n", i);
status = -EINVAL;
- goto bail;
+ goto out_orphan_wipes;
}
if (!sb_rdonly(osb->sb) && (i = OCFS2_HAS_RO_COMPAT_FEATURE(osb->sb, ~OCFS2_FEATURE_RO_COMPAT_SUPP))) {
mlog(ML_ERROR, "couldn't mount RDWR because of "
"unsupported optional features (%x).\n", i);
status = -EINVAL;
- goto bail;
+ goto out_orphan_wipes;
}
if (ocfs2_clusterinfo_valid(osb)) {
+ /*
+ * ci_stack and ci_cluster in ocfs2_cluster_info may not be null
+ * terminated, so make sure no overflow happens here by using
+ * memcpy. Destination strings will always be null terminated
+ * because osb is allocated using kzalloc.
+ */
osb->osb_stackflags =
OCFS2_RAW_SB(di)->s_cluster_info.ci_stackflags;
- strlcpy(osb->osb_cluster_stack,
+ memcpy(osb->osb_cluster_stack,
OCFS2_RAW_SB(di)->s_cluster_info.ci_stack,
- OCFS2_STACK_LABEL_LEN + 1);
+ OCFS2_STACK_LABEL_LEN);
if (strlen(osb->osb_cluster_stack) != OCFS2_STACK_LABEL_LEN) {
mlog(ML_ERROR,
"couldn't mount because of an invalid "
"cluster stack label (%s) \n",
osb->osb_cluster_stack);
status = -EINVAL;
- goto bail;
+ goto out_orphan_wipes;
}
- strlcpy(osb->osb_cluster_name,
+ memcpy(osb->osb_cluster_name,
OCFS2_RAW_SB(di)->s_cluster_info.ci_cluster,
- OCFS2_CLUSTER_NAME_LEN + 1);
+ OCFS2_CLUSTER_NAME_LEN);
} else {
/* The empty string is identical with classic tools that
* don't know about s_cluster_info. */
@@ -2173,32 +2175,14 @@ static int ocfs2_initialize_super(struct super_block *sb,
get_random_bytes(&osb->s_next_generation, sizeof(u32));
- /* FIXME
- * This should be done in ocfs2_journal_init(), but unknown
- * ordering issues will cause the filesystem to crash.
- * If anyone wants to figure out what part of the code
- * refers to osb->journal before ocfs2_journal_init() is run,
- * be my guest.
+ /*
+ * FIXME
+ * This should be done in ocfs2_journal_init(), but any inode
+ * writes back operation will cause the filesystem to crash.
*/
- /* initialize our journal structure */
-
- journal = kzalloc(sizeof(struct ocfs2_journal), GFP_KERNEL);
- if (!journal) {
- mlog(ML_ERROR, "unable to alloc journal\n");
- status = -ENOMEM;
- goto bail;
- }
- osb->journal = journal;
- journal->j_osb = osb;
-
- atomic_set(&journal->j_num_trans, 0);
- init_rwsem(&journal->j_trans_barrier);
- init_waitqueue_head(&journal->j_checkpointed);
- spin_lock_init(&journal->j_lock);
- journal->j_trans_id = (unsigned long) 1;
- INIT_LIST_HEAD(&journal->j_la_cleanups);
- INIT_WORK(&journal->j_recovery_work, ocfs2_complete_recovery);
- journal->j_state = OCFS2_JOURNAL_FREE;
+ status = ocfs2_journal_alloc(osb);
+ if (status < 0)
+ goto out_orphan_wipes;
INIT_WORK(&osb->dquot_drop_work, ocfs2_drop_dquot_refs);
init_llist_head(&osb->dquot_drop_list);
@@ -2213,7 +2197,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
mlog(ML_ERROR, "Volume has invalid cluster size (%d)\n",
osb->s_clustersize);
status = -EINVAL;
- goto bail;
+ goto out_journal;
}
total_blocks = ocfs2_clusters_to_blocks(osb->sb,
@@ -2225,17 +2209,17 @@ static int ocfs2_initialize_super(struct super_block *sb,
mlog(ML_ERROR, "Volume too large "
"to mount safely on this system");
status = -EFBIG;
- goto bail;
+ goto out_journal;
}
if (ocfs2_setup_osb_uuid(osb, di->id2.i_super.s_uuid,
sizeof(di->id2.i_super.s_uuid))) {
mlog(ML_ERROR, "Out of memory trying to setup our uuid.\n");
status = -ENOMEM;
- goto bail;
+ goto out_journal;
}
- strlcpy(osb->vol_label, di->id2.i_super.s_label,
+ strscpy(osb->vol_label, di->id2.i_super.s_label,
OCFS2_MAX_VOL_LABEL_LEN);
osb->root_blkno = le64_to_cpu(di->id2.i_super.s_root_blkno);
osb->system_dir_blkno = le64_to_cpu(di->id2.i_super.s_system_dir_blkno);
@@ -2252,7 +2236,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
if (!osb->osb_dlm_debug) {
status = -ENOMEM;
mlog_errno(status);
- goto bail;
+ goto out_uuid_str;
}
atomic_set(&osb->vol_state, VOLUME_INIT);
@@ -2261,7 +2245,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
status = ocfs2_init_global_system_inodes(osb);
if (status < 0) {
mlog_errno(status);
- goto bail;
+ goto out_dlm_out;
}
/*
@@ -2272,7 +2256,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
if (!inode) {
status = -EINVAL;
mlog_errno(status);
- goto bail;
+ goto out_system_inodes;
}
osb->bitmap_blkno = OCFS2_I(inode)->ip_blkno;
@@ -2285,17 +2269,39 @@ static int ocfs2_initialize_super(struct super_block *sb,
status = ocfs2_init_slot_info(osb);
if (status < 0) {
mlog_errno(status);
- goto bail;
+ goto out_system_inodes;
}
- cleancache_init_shared_fs(sb);
osb->ocfs2_wq = alloc_ordered_workqueue("ocfs2_wq", WQ_MEM_RECLAIM);
if (!osb->ocfs2_wq) {
status = -ENOMEM;
mlog_errno(status);
+ goto out_slot_info;
}
-bail:
+ return status;
+
+out_slot_info:
+ ocfs2_free_slot_info(osb);
+out_system_inodes:
+ ocfs2_release_system_inodes(osb);
+out_dlm_out:
+ ocfs2_put_dlm_debug(osb->osb_dlm_debug);
+out_uuid_str:
+ kfree(osb->uuid_str);
+out_journal:
+ kfree(osb->journal);
+out_orphan_wipes:
+ kfree(osb->osb_orphan_wipes);
+out_slot_recovery_gen:
+ kfree(osb->slot_recovery_generations);
+out_vol_label:
+ kfree(osb->vol_label);
+out_recovery_map:
+ kfree(osb->recovery_map);
+out:
+ kfree(osb);
+ sb->s_fs_info = NULL;
return status;
}
@@ -2380,7 +2386,7 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
* ourselves. */
/* Init our journal object. */
- status = ocfs2_journal_init(osb->journal, &dirty);
+ status = ocfs2_journal_init(osb, &dirty);
if (status < 0) {
mlog(ML_ERROR, "Could not initialize journal!\n");
goto finally;
@@ -2491,7 +2497,7 @@ static void ocfs2_delete_osb(struct ocfs2_super *osb)
kfree(osb->slot_recovery_generations);
/* FIXME
* This belongs in journal shutdown, but because we have to
- * allocate osb->journal at the start of ocfs2_initialize_osb(),
+ * allocate osb->journal at the middle of ocfs2_initialize_super(),
* we free it here.
*/
kfree(osb->journal);
diff --git a/fs/ocfs2/super.h b/fs/ocfs2/super.h
index 76facaf63336..8312651135b9 100644
--- a/fs/ocfs2/super.h
+++ b/fs/ocfs2/super.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* super.h
*
* Function prototypes
diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c
index 94cfacc9bad7..d4c5fdcfa1e4 100644
--- a/fs/ocfs2/symlink.c
+++ b/fs/ocfs2/symlink.c
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* linux/cluster/ssi/cfs/symlink.c
*
* This program is free software; you can redistribute it and/or
@@ -54,8 +52,9 @@
#include "buffer_head_io.h"
-static int ocfs2_fast_symlink_readpage(struct file *unused, struct page *page)
+static int ocfs2_fast_symlink_read_folio(struct file *f, struct folio *folio)
{
+ struct page *page = &folio->page;
struct inode *inode = page->mapping->host;
struct buffer_head *bh = NULL;
int status = ocfs2_read_inode_block(inode, &bh);
@@ -83,7 +82,7 @@ static int ocfs2_fast_symlink_readpage(struct file *unused, struct page *page)
}
const struct address_space_operations ocfs2_fast_symlink_aops = {
- .readpage = ocfs2_fast_symlink_readpage,
+ .read_folio = ocfs2_fast_symlink_read_folio,
};
const struct inode_operations ocfs2_symlink_inode_operations = {
diff --git a/fs/ocfs2/symlink.h b/fs/ocfs2/symlink.h
index 167094d1e5aa..ffcf0210545c 100644
--- a/fs/ocfs2/symlink.h
+++ b/fs/ocfs2/symlink.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* symlink.h
*
* Function prototypes
diff --git a/fs/ocfs2/sysfile.c b/fs/ocfs2/sysfile.c
index bb701c4e449f..53a945da873b 100644
--- a/fs/ocfs2/sysfile.c
+++ b/fs/ocfs2/sysfile.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* sysfile.c
*
* Initialize, read, write, etc. system files.
diff --git a/fs/ocfs2/sysfile.h b/fs/ocfs2/sysfile.h
index a83dd962fccb..2b38c75990fd 100644
--- a/fs/ocfs2/sysfile.h
+++ b/fs/ocfs2/sysfile.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* sysfile.h
*
* Function prototypes
diff --git a/fs/ocfs2/uptodate.c b/fs/ocfs2/uptodate.c
index 580852ba05c4..09854925fa5c 100644
--- a/fs/ocfs2/uptodate.c
+++ b/fs/ocfs2/uptodate.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* uptodate.c
*
* Tracking the up-to-date-ness of a local buffer_head with respect to
diff --git a/fs/ocfs2/uptodate.h b/fs/ocfs2/uptodate.h
index 77a30cae4879..85d94134001b 100644
--- a/fs/ocfs2/uptodate.h
+++ b/fs/ocfs2/uptodate.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* uptodate.h
*
* Cluster uptodate tracking
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 90c830e3758e..95d0611c5fc7 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* xattr.c
*
* Copyright (C) 2004, 2008 Oracle. All rights reserved.
@@ -1211,7 +1209,7 @@ static int ocfs2_xattr_block_get(struct inode *inode,
struct ocfs2_xattr_value_root *xv;
size_t size;
int ret = -ENODATA, name_offset, name_len, i;
- int uninitialized_var(block_off);
+ int block_off;
xs->bucket = ocfs2_xattr_bucket_new(inode);
if (!xs->bucket) {
@@ -7207,7 +7205,7 @@ out:
* Used for reflink a non-preserve-security file.
*
* It uses common api like ocfs2_xattr_set, so the caller
- * must not hold any lock expect i_mutex.
+ * must not hold any lock expect i_rwsem.
*/
int ocfs2_init_security_and_acl(struct inode *dir,
struct inode *inode,
@@ -7249,6 +7247,7 @@ static int ocfs2_xattr_security_get(const struct xattr_handler *handler,
}
static int ocfs2_xattr_security_set(const struct xattr_handler *handler,
+ struct user_namespace *mnt_userns,
struct dentry *unused, struct inode *inode,
const char *name, const void *value,
size_t size, int flags)
@@ -7321,6 +7320,7 @@ static int ocfs2_xattr_trusted_get(const struct xattr_handler *handler,
}
static int ocfs2_xattr_trusted_set(const struct xattr_handler *handler,
+ struct user_namespace *mnt_userns,
struct dentry *unused, struct inode *inode,
const char *name, const void *value,
size_t size, int flags)
@@ -7351,6 +7351,7 @@ static int ocfs2_xattr_user_get(const struct xattr_handler *handler,
}
static int ocfs2_xattr_user_set(const struct xattr_handler *handler,
+ struct user_namespace *mnt_userns,
struct dentry *unused, struct inode *inode,
const char *name, const void *value,
size_t size, int flags)
diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h
index 9c80382da1f5..00308b57f64f 100644
--- a/fs/ocfs2/xattr.h
+++ b/fs/ocfs2/xattr.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
+/*
* xattr.h
*
* Copyright (C) 2004, 2008 Oracle. All rights reserved.