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authorLiu Bo <bo.li.liu@oracle.com>2012-12-28 09:33:19 +0000
committerJosef Bacik <josef@toxicpanda.com>2013-01-14 13:52:53 -0500
commit3268a2468eb6a31af89930cbae58a62fe6ca6d2d (patch)
treec8385d5ea8b3e27da7ec1d46a030a1f4f74b9bb6 /fs
parentac5c93005b7073732e268606688fb6c821d5310e (diff)
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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: Slava Barinov <rayslava@gmail.com> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/extent-tree.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index aeba53191ece..85b8454d9608 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -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;
}
}