From: Jan Schmidt <list.btrfs@jan-o-sch.net>
Date: Fri, 13 Apr 2012 10:28:08 +0000 (+0200)
Subject: Btrfs: add missing read locks in backref.c
X-Git-Tag: v3.4-rc5~6^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b916a59adfdc875381b68ced258694b434cf43ae;p=pandora-kernel.git

Btrfs: add missing read locks in backref.c

iref_to_path and iterate_irefs both increment the eb's refcount to use it
after releasing the path. Both depend on consistent data remaining in the
extent buffer and need a read lock to protect it.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
---

Reading git-diff-tree failed