From: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Date: Wed, 30 Nov 2011 18:43:00 +0000 (-0500)
Subject: Btrfs: skip allocation attempt from empty cluster
X-Git-Tag: v3.2-rc4~3^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be064d113906f04ea13088a8260e1e68ae0a4050;p=pandora-kernel.git

Btrfs: skip allocation attempt from empty cluster

If we don't have a cluster, don't bother trying to allocate from it,
jumping right away to the attempt to allocate a new cluster.

Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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