+++ /dev/null
---- linux-1/fs/ext4/namei.c 2016-09-27 02:16:31.020890438 +0800
-+++ linux-2/fs/ext4/namei.c 2016-09-27 02:17:14.246620470 +0800
-@@ -1874,6 +1874,7 @@ out_frames:
- */
- ext4_mark_inode_dirty(handle, dir);
- dx_release(frames);
-+ brelse(bh);
- return retval;
- }
-