linux-kernel - Re: IO scheduler based IO Controller V2

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Message-ID: <4A079493.4030100@cn.fujitsu.com>
Date:	Mon, 11 May 2009 10:59:31 +0800
From:	Gui Jianfeng <guijianfeng@...fujitsu.com>
To:	Vivek Goyal <vgoyal@...hat.com>
CC:	Li Zefan <lizf@...fujitsu.com>, nauman@...gle.com,
	dpshah@...gle.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: IO scheduler based IO Controller V2

Vivek Goyal wrote:
...
>>
> 
> Thanks Li and Gui for pointing out the problem. With you script, I could
> also produce lock validator warning as well as system freeze. I could
> identify at least two trouble spots. With following patch things seems
> to be fine on my system. Can you please give it a try.

  Hi Vivek,

  I'v tried this patch, and seems the problem is addressed. Thanks.

-- 
Regards
Gui Jianfeng

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