linux-kernel - Re: [PATCH RFC - TAKE TWO - 06/12] block, bfq: improve responsiveness

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Date:	Fri, 30 May 2014 11:41:23 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Paolo Valente <paolo.valente@...more.it>
Cc:	Jens Axboe <axboe@...nel.dk>, Li Zefan <lizefan@...wei.com>,
	Fabio Checconi <fchecconi@...il.com>,
	Arianna Avanzini <avanzini.arianna@...il.com>,
	Paolo Valente <posta_paolo@...oo.it>,
	linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org, cgroups@...r.kernel.org
Subject: Re: [PATCH RFC - TAKE TWO - 06/12] block, bfq: improve responsiveness

On Thu, May 29, 2014 at 11:05:37AM +0200, Paolo Valente wrote:
> @@ -281,7 +323,8 @@ static inline unsigned long bfq_serv_to_charge(struct request *rq,
>  					       struct bfq_queue *bfqq)
>  {
>  	return blk_rq_sectors(rq) *
> -		(1 + ((!bfq_bfqq_sync(bfqq)) * bfq_async_charge_factor));
> +		(1 + ((!bfq_bfqq_sync(bfqq)) * (bfqq->wr_coeff == 1) *
> +		bfq_async_charge_factor));

Ah, okay, so you actually use it later.  Please disregard my previous
comment about dropping the wrapper.

Thanks.

-- 
tejun
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