Commit 3268a246 authored by Liu Bo's avatar Liu Bo Committed by Josef Bacik
Browse files

Btrfs: reset path lock state to zero 



We forgot to reset the path lock state to zero after we unlock the path block,
and this can lead to the ASSERT checker in tree unlock API.

Reported-by: default avatarSlava Barinov <rayslava@gmail.com>
Signed-off-by: default avatarLiu Bo <bo.li.liu@oracle.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fusionio.com>
parent ac5c9300

fs/btrfs/extent-tree.c

+2 −0
Original line number Diff line number Diff line
@@ -6788,11 +6788,13 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans, 
						       &wc->flags[level]);

			if (ret < 0) {

				btrfs_tree_unlock_rw(eb, path->locks[level]);

				path->locks[level] = 0;

				return ret;

			}

			BUG_ON(wc->refs[level] == 0);

			if (wc->refs[level] == 1) {

				btrfs_tree_unlock_rw(eb, path->locks[level]);

				path->locks[level] = 0;

				return 1;

			}

		}