From: Josef Bacik <jbacik@fusionio.com>
Date: Mon, 15 Oct 2012 17:33:54 +0000 (-0400)
Subject: Btrfs: only clear dirty on the buffer if it is marked as dirty
X-Git-Tag: v3.8-rc1~71^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed7b63eb8afd0bb8d978a23184d70c105b54aa26;p=pandora-kernel.git

Btrfs: only clear dirty on the buffer if it is marked as dirty

No reason to set the path blocking or loop through all of the pages if the
extent buffer isn't actually marked dirty.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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