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authorDavid S. Miller <davem@davemloft.net>2012-03-18 23:29:41 -0400
committerDavid S. Miller <davem@davemloft.net>2012-03-18 23:29:41 -0400
commit4da0bd736552e6377b407b3c3d3ae518ebbdd269 (patch)
treef0da9f843b8033565c3ca4103fccb17a60688326 /fs/btrfs/backref.c
parent81a430ac1b88b0702c57d2513e247317e810e04d (diff)
parentc16fa4f2ad19908a47c63d8fa436a1178438c7e7 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/btrfs/backref.c')
-rw-r--r--fs/btrfs/backref.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 98f6bf10bbd4..0436c12da8c2 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -583,7 +583,7 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans,
struct btrfs_path *path;
struct btrfs_key info_key = { 0 };
struct btrfs_delayed_ref_root *delayed_refs = NULL;
- struct btrfs_delayed_ref_head *head = NULL;
+ struct btrfs_delayed_ref_head *head;
int info_level = 0;
int ret;
struct list_head prefs_delayed;
@@ -607,6 +607,8 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans,
* at a specified point in time
*/
again:
+ head = NULL;
+
ret = btrfs_search_slot(trans, fs_info->extent_root, &key, path, 0, 0);
if (ret < 0)
goto out;
@@ -635,8 +637,10 @@ again:
goto again;
}
ret = __add_delayed_refs(head, seq, &info_key, &prefs_delayed);
- if (ret)
+ if (ret) {
+ spin_unlock(&delayed_refs->lock);
goto out;
+ }
}
spin_unlock(&delayed_refs->lock);