From: Jan Schmidt <list.btrfs@jan-o-sch.net>
Date: Mon, 11 Jun 2012 08:52:38 +0000 (+0200)
Subject: Btrfs: fix race in tree mod log addition
X-Git-Tag: v3.5-rc3~18^2~6^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3310c36eef330766fd23d50796287ad764929e24;p=pandora-kernel.git

Btrfs: fix race in tree mod log addition

When adding to the tree modification log, we grab two locks at different
stages. We must not drop the outer lock until we're done with section
protected by the inner lock. This moves the unlock call for the outer lock
to the appropriate position.

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