omfs: rename() needs to mark old_inode dirty after ctime update

we *do* mark it dirty before, but it doesn't guarantee that we
don't get preempted just before assignment to ->i_ctime, with
inode getting written out before we get CPU back...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Bob Copeland <me@bobcopeland.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c
index 393f3f659da7..9990fc856959 100644
--- a/fs/omfs/dir.c
+++ b/fs/omfs/dir.c
@@ -423,6 +423,7 @@ static int omfs_rename(struct inode *old_dir, struct dentry *old_dentry,
                 goto out;
 
         old_inode->i_ctime = CURRENT_TIME_SEC;
+        mark_inode_dirty(old_inode);
 out:
         return err;
 }