From: Gu Zheng <guz.fnst@cn.fujitsu.com>
Date: Mon, 24 Nov 2014 03:05:26 +0000 (+0800)
Subject: md: use generic io stats accounting functions to simplify io stat accounting
X-Git-Tag: omap-for-v3.19/fixes-rc1~94^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18c0b223cf9901727ef3b02da6711ac930b4e5d4;p=pandora-kernel.git

md: use generic io stats accounting functions to simplify io stat accounting

Use generic io stats accounting help functions (generic_{start,end}_io_acct)
to simplify io stat accounting.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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