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 <[email protected]> Signed-off-by: Bob Copeland <[email protected]>
klaby · Mar 5, 2011 · 013e4f4 · 013e4f4
1 parent 85e2efb
commit 013e4f4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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;
 }