linux-kernel - Re: [PATCH 04/18] io-controller: Modify cfq to make use of flat elevator fair queuing

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Date:	Fri, 22 May 2009 08:33:18 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Gui Jianfeng <guijianfeng@...fujitsu.com>
Cc:	nauman@...gle.com, dpshah@...gle.com, lizf@...fujitsu.com,
	mikew@...gle.com, fchecconi@...il.com, paolo.valente@...more.it,
	jens.axboe@...cle.com, 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,
	linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org, righi.andrea@...il.com,
	agk@...hat.com, dm-devel@...hat.com, snitzer@...hat.com,
	m-ikeda@...jp.nec.com, akpm@...ux-foundation.org
Subject: Re: [PATCH 04/18] io-controller: Modify cfq to make use of flat
	elevator fair queuing

On Fri, May 22, 2009 at 04:54:01PM +0800, Gui Jianfeng wrote:
> Hi Vivek,
> 
> Since thinking time logic is moving to common layer, corresponding items
> in cic is not needed.
> 
> Signed-off-by: Gui Jianfeng <guijianfeng@...fujitsu.com>
> ---
> diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
> index ed52a1f..1fe9d78 100644
> --- a/include/linux/iocontext.h
> +++ b/include/linux/iocontext.h
> @@ -42,10 +42,6 @@ struct cfq_io_context {
>  	unsigned long last_end_request;
>  	sector_t last_request_pos;
>  
> -	unsigned long ttime_total;
> -	unsigned long ttime_samples;
> -	unsigned long ttime_mean;
> -
>  	unsigned int seek_samples;
>  	u64 seek_total;
>  	sector_t seek_mean;
> 

Thanks Gui. Queued for next posting.

Thanks
Vivek
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