From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S637773AbXDSOFX (ORCPT ); Thu, 19 Apr 2007 10:05:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S637772AbXDSOFW (ORCPT ); Thu, 19 Apr 2007 10:05:22 -0400 Received: from e32.co.us.ibm.com ([32.97.110.150]:40640 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1766713AbXDSOFU (ORCPT ); Thu, 19 Apr 2007 10:05:20 -0400 Date: Thu, 19 Apr 2007 19:42:44 +0530 From: Srivatsa Vaddagiri To: Zongyun Lai Cc: sekharan@us.ibm.com, nagar@watson.ibm.com, ckrm-tech@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: [ckrm-tech] About I/O scheduler in CKRM Message-ID: <20070419141244.GC13192@in.ibm.com> Reply-To: vatsa@in.ibm.com References: <200704191509.17971.zlai.zju@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200704191509.17971.zlai.zju@gmail.com> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I am not aware of any updates to IO scheduler other than what is listed on the website. Chandra/Shailabh can correct me if I am wrong. Regarding (the future of) CKRM in general, we aren't looking at that framework now, as Linux kernel community seemed to want simpler frameworks. A framework which is being considered for inclusion (hopefully in near future) will be based on this: http://lkml.org/lkml/2007/4/6/297 On Thu, Apr 19, 2007 at 03:09:17PM +0800, Zongyun Lai wrote: > Hello, > I am currently doing something related to storage QoS. I have read the OLS > papers of CKRM project. I think it would be good start point for CBQ(class > based queuing) scheduler in storage system. However, when I refer to the code > in ckrm.sf.net, I found only recent release of cpurc, memrc, and res_group > code, isn't it? The only io related work is the io_rc.tar.bz2 located in > ckrm-old branch (e18 against 2.6.12). It looks like it is based on Jens' CFQ > scheduler. Do you still actively maintain this ckrm project? Is there any > recent release of the IO scheduler, or what is the future consideration in > developing the IO scheduer? Thanks. > > > Cheers , > Zongyun > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > ckrm-tech mailing list > https://lists.sourceforge.net/lists/listinfo/ckrm-tech -- Regards, vatsa