From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ryo Tsuruta Subject: Re: [PATCH 3/9] bio-cgroup controller Date: Fri, 17 Apr 2009 16:32:08 +0900 (JST) Message-ID: <20090417.163208.39173254.ryov__37178.7486285486$1239955101$gmane$org@valinux.co.jp> References: <1239740480-28125-1-git-send-email-righi.andrea@gmail.com> <1239740480-28125-4-git-send-email-righi.andrea@gmail.com> <49E7E037.9080004@oss.ntt.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <49E7E037.9080004-gVGce1chcLdL9jVzuh4AOg@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: yoshikawa.takuya-gVGce1chcLdL9jVzuh4AOg@public.gmane.org Cc: randy.dunlap-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org, menage-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, chlunde-om2ZC0WAoZIXWF+eFR7m5Q@public.gmane.org, eric.rannaud-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, balbir-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, fernando-gVGce1chcLdL9jVzuh4AOg@public.gmane.org, righi.andrea-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, dradford-cT2on/YLNlBWk0Htik3J/w@public.gmane.org, agk-9JcytcrH/bA+uJoB2kUjGw@public.gmane.org, subrata-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dave-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, matt-cT2on/YLNlBWk0Htik3J/w@public.gmane.org, roberto-5KDOxZqKugI@public.gmane.org, ngupta-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org List-Id: containers.vger.kernel.org Hi, From: Takuya Yoshikawa Subject: Re: [PATCH 3/9] bio-cgroup controller Date: Fri, 17 Apr 2009 10:49:43 +0900 > > +config CGROUP_BIO > > + bool "Block I/O cgroup subsystem" > > + depends on CGROUPS && BLOCK > > + select MM_OWNER > > + help > > + Provides a Resource Controller which enables to track the onwner > > + of every Block I/O requests. > > + The information this subsystem provides can be used from any > > + kind of module such as dm-ioband device mapper modules or > > + the cfq-scheduler. > >o I can understand this kind of information will be effective for io > controllers but how about cfq-scheduler? Don't we need some changes to > make cfq use this kind of information? You need to modify cfq-scheduler to use bio-cgruop. Thanks, Ryo Tsuruta