From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 3 May 2012 16:08:48 +0000 (-0400)
Subject: Btrfs: Add properly locking around add_root_to_dirty_list
X-Git-Tag: v3.4-rc6~2^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e5846fc665d1c3dd32d877febe7402ccd583b8a1;p=pandora-kernel.git

Btrfs: Add properly locking around add_root_to_dirty_list

add_root_to_dirty_list happens once at the very beginning of the
transaction, but it is still racey.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
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