From: Jianpeng Ma <majianpeng@gmail.com>
Date: Fri, 11 Jan 2013 13:46:09 +0000 (+0100)
Subject: block: Remove should_sort judgement when flush blk_plug
X-Git-Tag: v3.9-rc1~44^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=422765c2638924da10ff363b5eed77924911bdc7;p=pandora-kernel.git

block: Remove should_sort judgement when flush blk_plug

In commit 975927b942c932,it add blk_rq_pos to sort rq when flushing.
Although this commit was used for the situation which blk_plug handled
multi devices on the same time like md device.
I think there must be some situations like this but only single
device.
So remove the should_sort judgement.
Because the parameter should_sort is only for this purpose,it can delete
should_sort from blk_plug.

CC: Shaohua Li <shli@kernel.org>
Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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