From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dhaval Giani Subject: Re: IO controller Mini-Summit 2009 Date: Fri, 11 Sep 2009 16:46:32 +0530 Message-ID: <20090911111632.GF4474@linux.vnet.ibm.com> References: <20090826.203251.260094379.ryov@valinux.co.jp> Reply-To: Dhaval Giani Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20090826.203251.260094379.ryov-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Ryo Tsuruta Cc: xen-devel-GuqFBffKawuULHF6PoxzQEEOCMrvLtNR@public.gmane.org, containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, ioband-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, corsetproject-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, kunai-de/tnXTf+JLsfHDXvbKv3Xf5DAMn2ifp@public.gmane.org, osonoi-de/tnXTf+JLsfHDXvbKv3Xf5DAMn2ifp@public.gmane.org List-Id: containers.vger.kernel.org On Wed, Aug 26, 2009 at 08:32:51PM +0900, Ryo Tsuruta wrote: > Hi All, > > As I have notified before, The 1st Linux IO controller Mini-Summit > will be held in Tokyo Japan on Oct 17 -- day before the 9th Linux > kernel summit. So I would like to propose the following topics for > the mini-summit and discuss about them. > > - Multiple IO controller development projects > - There are two activities for the development of IO controller, > Vivek's io-controller and dm-ioband. Do we have to pick one of > them to put into the mainline? How to advance the development? > > - Extensions of struct bio > - Make a bio point to the io_context of a process which creates the > I/O request. This allows to pass the IO scheduling class and > priority information to IO controller even if the IO is submitted > by another process which does not create the request, such as a > worker thread. > - Add a new flag to struct bio to identify the bio as urgent. This > gives IO controller a chance to handle the bio as high priority. > This flag should be set if the bio is created for the page-out > operation. > > - I/O tracking and charging policy > - Which process, a page-requesting process or a page-returning > process, should be charged for the I/O caused by page reclaim? > We should consider two cases where the IO flushes anonymous pages > and file mapped pages. > > I think this is a good opportunity to meet face-to-face to discuss > about IO controller development. I would like to many developers to > join this mini-summit. Please visit the following URL for more > information about the mini-summit. > http://apps.sourceforge.net/trac/ioband/wiki/iosummit > If you would like to join the mini-summit, please e-mail to me or post > on the wiki page, > (You need an account on SourceForge.net to edit the wiki page.) > > All comments, questions, suggestions and anything else are appreciated. > Hi Ryo, Would you be having a remote dial-in for folks who cannot attend in person? thanks, -- regards, Dhaval