From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751574AbZHaU5q (ORCPT ); Mon, 31 Aug 2009 16:57:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751308AbZHaU5p (ORCPT ); Mon, 31 Aug 2009 16:57:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39629 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751220AbZHaU5p (ORCPT ); Mon, 31 Aug 2009 16:57:45 -0400 Message-ID: <4A9C38F0.3070206@redhat.com> Date: Mon, 31 Aug 2009 16:56:16 -0400 From: Rik van Riel User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Vivek Goyal CC: linux-kernel@vger.kernel.org, jens.axboe@oracle.com, containers@lists.linux-foundation.org, dm-devel@redhat.com, nauman@google.com, dpshah@google.com, lizf@cn.fujitsu.com, mikew@google.com, fchecconi@gmail.com, paolo.valente@unimore.it, ryov@valinux.co.jp, fernando@oss.ntt.co.jp, s-uchida@ap.jp.nec.com, taka@valinux.co.jp, guijianfeng@cn.fujitsu.com, jmoyer@redhat.com, dhaval@linux.vnet.ibm.com, balbir@linux.vnet.ibm.com, righi.andrea@gmail.com, m-ikeda@ds.jp.nec.com, agk@redhat.com, akpm@linux-foundation.org, peterz@infradead.org, jmarchan@redhat.com, torvalds@linux-foundation.org, mingo@elte.hu Subject: Re: [PATCH 22/23] io-controller: Support per cgroup per device weights and io class References: <1251495072-7780-1-git-send-email-vgoyal@redhat.com> <1251495072-7780-23-git-send-email-vgoyal@redhat.com> In-Reply-To: <1251495072-7780-23-git-send-email-vgoyal@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Vivek Goyal wrote: > This patch enables per-cgroup per-device weight and ioprio_class handling. > A new cgroup interface "policy" is introduced. You can make use of this > file to configure weight and ioprio_class for each device in a given cgroup. > The original "weight" and "ioprio_class" files are still available. If you > don't do special configuration for a particular device, "weight" and > "ioprio_class" are used as default values in this device. Acked-by: Rik van Riel