From: Justin TerAvest <teravest@google.com>
Date: Tue, 22 Mar 2011 20:26:49 +0000 (+0100)
Subject: cfq-iosched: Don't set active queue in preempt
X-Git-Tag: v2.6.39-rc1~80^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eda5e0c91fed2d2a38a341b0957263406d330274;p=pandora-kernel.git

cfq-iosched: Don't set active queue in preempt

Commit "Add unaccounted time to timeslice_used" changed the behavior of
cfq_preempt_queue to set cfqq active. Vivek pointed out that other
preemption rules might get involved, so we shouldn't manually set which
queue is active.

This cleans up the code to just clear the queue stats at preemption
time.

Signed-off-by: Justin TerAvest <teravest@google.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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