From: Stefan Behrens <sbehrens@giantdisaster.de>
Date: Tue, 17 Jul 2012 15:02:11 +0000 (-0600)
Subject: Btrfs: suppress printk() if all device I/O stats are zero
X-Git-Tag: v3.6-rc1~81^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a98cdb85b990765dbe80a215367ae007320bfeea;p=pandora-kernel.git

Btrfs: suppress printk() if all device I/O stats are zero

Code is added to suppress the I/O stats printing at mount time if all
statistic values are zero.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
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