Re: [PATCH v2] cfq-iosched: Don't clear queue stats when preempt.

[Jens Axboe]

On 2011-03-22 23:35, Justin TerAvest wrote:
> For v2, I added back lines to cfq_preempt_queue() that were removed
> during updates for accounting unaccounted_time. Thanks for pointing out
> that I'd missed these, Vivek.
> 
> Previous commit "cfq-iosched: Don't set active queue in preempt" wrongly
> cleared stats for preempting queues when it shouldn't have, because when
> we choose a queue to preempt, it still isn't necessarily scheduled next.
> 
> Thanks to Vivek Goyal for figuring this out and understanding how the
> preemption code works.

Thanks to both of you, applied.

-- 
Jens Axboe

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