Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759497AbZDQHcW (ORCPT ); Fri, 17 Apr 2009 03:32:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754846AbZDQHcL (ORCPT ); Fri, 17 Apr 2009 03:32:11 -0400 Received: from fms-01.valinux.co.jp ([210.128.90.1]:60971 "EHLO mail.valinux.co.jp" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753295AbZDQHcJ (ORCPT ); Fri, 17 Apr 2009 03:32:09 -0400 Date: Fri, 17 Apr 2009 16:32:08 +0900 (JST) Message-Id: <20090417.163208.39173254.ryov@valinux.co.jp> To: yoshikawa.takuya@oss.ntt.co.jp Cc: righi.andrea@gmail.com, menage@google.com, balbir@linux.vnet.ibm.com, guijianfeng@cn.fujitsu.com, kamezawa.hiroyu@jp.fujitsu.com, agk@sourceware.org, akpm@linux-foundation.org, axboe@kernel.dk, baramsori72@gmail.com, chlunde@ping.uio.no, dave@linux.vnet.ibm.com, dpshah@google.com, eric.rannaud@gmail.com, fernando@oss.ntt.co.jp, taka@valinux.co.jp, lizf@cn.fujitsu.com, matt@bluehost.com, dradford@bluehost.com, ngupta@google.com, randy.dunlap@oracle.com, roberto@unbit.it, s-uchida@ap.jp.nec.com, subrata@linux.vnet.ibm.com, containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/9] bio-cgroup controller From: Ryo Tsuruta In-Reply-To: <49E7E037.9080004@oss.ntt.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> X-Mailer: Mew version 5.2.52 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1059 Lines: 30 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/