From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757277Ab0KOBCl (ORCPT ); Sun, 14 Nov 2010 20:02:41 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:51805 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1756579Ab0KOBCk (ORCPT ); Sun, 14 Nov 2010 20:02:40 -0500 Message-ID: <4CE086A9.8060306@cn.fujitsu.com> Date: Mon, 15 Nov 2010 09:02:33 +0800 From: Gui Jianfeng User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: Vivek Goyal , Jens Axboe CC: linux kernel mailing list , Corrado Zoccolo , Chad Talbott , Nauman Rafique , Divyesh Shah , Gui Jianfeng Subject: [RFC] [PATCH 7/8] cfq-iosched: Enable deep hierarchy in CGgroup X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2010-11-15 09:03:03, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2010-11-15 09:03:04, Serialize complete at 2010-11-15 09:03:04 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currenlty, only level 0 and 1 CGroup directory is allowed to be created. This patch enables deep hierarchy in CGgroup. Signed-off-by: Gui Jianfeng Signed-off-by: Vivek Goyal --- block/blk-cgroup.c | 4 ---- 1 files changed, 0 insertions(+), 4 deletions(-) diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index b1febd0..455768a 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1452,10 +1452,6 @@ blkiocg_create(struct cgroup_subsys *subsys, struct cgroup *cgroup) goto done; } - /* Currently we do not support hierarchy deeper than two level (0,1) */ - if (parent != cgroup->top_cgroup) - return ERR_PTR(-EPERM); - blkcg = kzalloc(sizeof(*blkcg), GFP_KERNEL); if (!blkcg) return ERR_PTR(-ENOMEM); -- 1.6.5.2