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authorJoseph Qi <joseph.qi@huawei.com>2015-09-04 15:43:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-09-04 16:54:41 -0700
commit3cb2ec43f63c42412a18620f1226eb4aa434a7a8 (patch)
tree9bc01dd9148e4dbdf392b6ed409509cb22049287 /fs/ocfs2
parentbf59e6623a3a92a2bf428f2d6592c81aae6317e1 (diff)
ocfs2: adjust code to match locking/unlocking order
Unlocking order in ocfs2_unlink and ocfs2_rename mismatches the corresponding locking order, although it won't cause issues, adjust the code so that it looks more reasonable. Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/namei.c34
1 files changed, 17 insertions, 17 deletions
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index e9ea7f23da12..97c47d71efa7 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -1035,11 +1035,6 @@ leave:
if (handle)
ocfs2_commit_trans(osb, handle);
- if (child_locked)
- ocfs2_inode_unlock(inode, 1);
-
- ocfs2_inode_unlock(dir, 1);
-
if (orphan_dir) {
/* This was locked for us in ocfs2_prepare_orphan_dir() */
ocfs2_inode_unlock(orphan_dir, 1);
@@ -1047,6 +1042,11 @@ leave:
iput(orphan_dir);
}
+ if (child_locked)
+ ocfs2_inode_unlock(inode, 1);
+
+ ocfs2_inode_unlock(dir, 1);
+
brelse(fe_bh);
brelse(parent_node_bh);
@@ -1633,21 +1633,9 @@ static int ocfs2_rename(struct inode *old_dir,
ocfs2_dentry_move(old_dentry, new_dentry, old_dir, new_dir);
status = 0;
bail:
- if (rename_lock)
- ocfs2_rename_unlock(osb);
-
if (handle)
ocfs2_commit_trans(osb, handle);
- if (parents_locked)
- ocfs2_double_unlock(old_dir, new_dir);
-
- if (old_child_locked)
- ocfs2_inode_unlock(old_inode, 1);
-
- if (new_child_locked)
- ocfs2_inode_unlock(new_inode, 1);
-
if (orphan_dir) {
/* This was locked for us in ocfs2_prepare_orphan_dir() */
ocfs2_inode_unlock(orphan_dir, 1);
@@ -1655,6 +1643,18 @@ bail:
iput(orphan_dir);
}
+ if (new_child_locked)
+ ocfs2_inode_unlock(new_inode, 1);
+
+ if (old_child_locked)
+ ocfs2_inode_unlock(old_inode, 1);
+
+ if (parents_locked)
+ ocfs2_double_unlock(old_dir, new_dir);
+
+ if (rename_lock)
+ ocfs2_rename_unlock(osb);
+
if (new_inode)
sync_mapping_buffers(old_inode->i_mapping);