linux-kernel - Re: [PATCH 04/19] io-controller: Modify cfq to make use of flat elevator fair queuing

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Message-ID: <20090617130000.GB15473@redhat.com>
Date:	Wed, 17 Jun 2009 09:00:00 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Gui Jianfeng <guijianfeng@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org, dm-devel@...hat.com,
	jens.axboe@...cle.com, nauman@...gle.com, dpshah@...gle.com,
	lizf@...fujitsu.com, mikew@...gle.com, fchecconi@...il.com,
	paolo.valente@...more.it, ryov@...inux.co.jp,
	fernando@....ntt.co.jp, s-uchida@...jp.nec.com, taka@...inux.co.jp,
	jmoyer@...hat.com, dhaval@...ux.vnet.ibm.com,
	balbir@...ux.vnet.ibm.com, righi.andrea@...il.com,
	m-ikeda@...jp.nec.com, jbaron@...hat.com, agk@...hat.com,
	snitzer@...hat.com, akpm@...ux-foundation.org, peterz@...radead.org
Subject: Re: [PATCH 04/19] io-controller: Modify cfq to make use of flat
	elevator fair queuing

On Wed, Jun 17, 2009 at 10:22:44AM +0800, Gui Jianfeng wrote:
> Vivek Goyal wrote:
> > This patch changes cfq to use fair queuing code from elevator layer.
> > 
> 
> elevator_private2 isn't used to store cfqq now.
> 
> Signed-off-by: Gui Jianfeng <guijianfeng@...fujitsu.com>

Thanks Gui. Queued up for next posting.

Vivek

> ---
>  block/cfq-iosched.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
> index 23b24b9..7a9bbe6 100644
> --- a/block/cfq-iosched.c
> +++ b/block/cfq-iosched.c
> @@ -1874,7 +1874,7 @@ static void cfq_put_request(struct request *rq)
>  		put_io_context(RQ_CIC(rq)->ioc);
>  
>  		rq->elevator_private = NULL;
> -		rq->elevator_private2 = NULL;
> +		rq->ioq = NULL;
>  
>  		cfq_put_queue(cfqq);
>  	}
> -- 
> 1.5.4.rc3
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