tree adaa412e6603430b04e104dbafb4ed3e3d32a455
parent e77266e4c4be6f9dc91bf688bce015a8babd5fe0
author Li Zefan <lizf@cn.fujitsu.com> 1330778475 -0500
committer Chris Mason <chris.mason@oracle.com> 1330778475 -0500

btrfs: fix locking issues in find_parent_nodes()

- We might unlock head->mutex while it was not locked
- We might leave the function without unlocking delayed_refs->lock

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>