linux-kernel - Re: [patch]block cfq: select new workload if priority changed

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Date:	Mon, 13 Dec 2010 14:32:43 +0100
From:	Jens Axboe <jaxboe@...ionio.com>
To:	Shaohua Li <shaohua.li@...el.com>
CC:	Jeff Moyer <jmoyer@...hat.com>,
	lkml <linux-kernel@...r.kernel.org>,
	"czoccolo@...il.com" <czoccolo@...il.com>
Subject: Re: [patch]block cfq: select new workload if priority changed

On 2010-12-13 01:39, Shaohua Li wrote:
> On Fri, 2010-12-10 at 22:56 +0800, Jeff Moyer wrote:
>> Shaohua Li <shaohua.li@...el.com> writes:
>>
>>> If priority is changed, continue checking workload_expires and service tree
>>> count of previous workload is meaningless. We should always choose the workload
>>
>> I'd change that first sentence to:
>>
>>   If priority is changed, continuing to check workload_expires and
>>   service tree count of the previous workload does not make sense.
>>
>>> with lowest key of new priority in such case.
>>>
>>> Signed-off-by: Shaohua Li <shaohua.li@...el.com>
>>
>> This makes sense to me.
>>
>> Reviewed-by: Jeff Moyer <jmoyer@...hat.com>
> Thanks, modified the the changelog.

Thanks, applied to for-2.6.38/core

-- 
Jens Axboe

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