From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 17 Mar 2011 09:47:06 +0000 (+0100)
Subject: mm: make generic_writepages() use plugging
X-Git-Tag: v2.6.39-rc1~80^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b6096a65f99a89dfd8328c4e469e7b53b3ae04a;p=pandora-kernel.git

mm: make generic_writepages() use plugging

This recovers a performance regression caused by the removal
of the per-device plugging.

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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