From: Li Zefan <lizf@cn.fujitsu.com>
Date: Sat, 3 Mar 2012 12:41:15 +0000 (-0500)
Subject: btrfs: fix locking issues in find_parent_nodes()
X-Git-Tag: v3.3-rc7~3^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d3b010640e5c59b98d3b11229ba4cc2838dc7cbf;p=pandora-kernel.git

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>
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