From 317389a7739675aa990b7e0d750a7c435f1d25d7 Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@redhat.com>
Date: Mon, 23 May 2011 10:02:19 +0200
Subject: [PATCH] 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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Reading git-format-patch failed