From: Vivek Goyal <vgoyal@redhat.com>
Date: Mon, 23 May 2011 08:02:19 +0000 (+0200)
Subject: cfq-iosched: Make IO merge related stats per cpu
X-Git-Tag: v3.0-rc1~163^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=317389a7739675aa990b7e0d750a7c435f1d25d7;p=pandora-kernel.git

cfq-iosched: Make IO merge related stats per cpu

Make BLKIO_STAT_MERGED per cpu hence gettring rid of need of taking
blkg->stats_lock.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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