From: Alexander Block <ablock84@googlemail.com>
Date: Sat, 28 Jul 2012 10:44:34 +0000 (+0200)
Subject: Btrfs: use kmalloc instead of stack for backref_ctx
X-Git-Tag: v3.7-rc1~71^2~113
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=35075bb046cc91f42a0e5336bdc07f3279061add;p=pandora-kernel.git

Btrfs: use kmalloc instead of stack for backref_ctx

Make sure to never get in trouble due to the backref_ctx
which was on the stack before.

Commit is a result of Arne's review.

Signed-off-by: Alexander Block <ablock84@googlemail.com>
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