linux-kernel - Re: [patch 0/4] [RFC] Another proportional weight IO controller

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Message-ID: <4913A9C2.8060904@cn.fujitsu.com>
Date:	Fri, 07 Nov 2008 10:36:50 +0800
From:	Gui Jianfeng <guijianfeng@...fujitsu.com>
To:	vgoyal@...hat.com
CC:	linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org,
	virtualization@...ts.linux-foundation.org, jens.axboe@...cle.com,
	Hirokazu Takahashi <taka@...inux.co.jp>,
	Ryo Tsuruta <ryov@...inux.co.jp>,
	Andrea Righi <righi.andrea@...il.com>,
	Satoshi UCHIDA <s-uchida@...jp.nec.com>,
	fernando@....ntt.co.jp, balbir@...ux.vnet.ibm.com,
	Andrew Morton <akpm@...ux-foundation.org>, menage@...gle.com,
	ngupta@...gle.com, Rik van Riel <riel@...hat.com>,
	Jeff Moyer <jmoyer@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [patch 0/4] [RFC] Another proportional weight IO controller

vgoyal@...hat.com wrote:
> Hi,
> 
> If you are not already tired of so many io controller implementations, here
> is another one.
> 
> This is a very eary very crude implementation to get early feedback to see
> if this approach makes any sense or not.
> 
> This controller is a proportional weight IO controller primarily
> based on/inspired by dm-ioband. One of the things I personally found little
> odd about dm-ioband was need of a dm-ioband device for every device we want
> to control.  I thought that probably we can make this control per request
> queue and get rid of device mapper driver. This should make configuration
> aspect easy.
> 
> I have picked up quite some amount of code from dm-ioband especially for
> biocgroup implementation.
> 
> I have done very basic testing and that is running 2-3 dd commands in different
> cgroups on x86_64. Wanted to throw out the code early to get some feedback.
> 
> More details about the design and how to are in documentation patch.
> 
> Your comments are welcome.

  Which kernel version is this patch set based on?

> 
> Thanks
> Vivek
> 

-- 
Regards
Gui Jianfeng

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