From eda5e0c91fed2d2a38a341b0957263406d330274 Mon Sep 17 00:00:00 2001
From: Justin TerAvest <teravest@google.com>
Date: Tue, 22 Mar 2011 21:26:49 +0100
Subject: [PATCH] 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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