From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756768AbZBLGPY (ORCPT ); Thu, 12 Feb 2009 01:15:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751231AbZBLGPK (ORCPT ); Thu, 12 Feb 2009 01:15:10 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:55928 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1750985AbZBLGPI (ORCPT ); Thu, 12 Feb 2009 01:15:08 -0500 Message-ID: <4993BE57.9000705@cn.fujitsu.com> Date: Thu, 12 Feb 2009 14:14:47 +0800 From: Li Zefan User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Al Viro CC: Peter Zijlstra , LKML , Andrew Morton , Paul Menage , Arjan van de Ven , linux-fsdevel@vger.kernel.org Subject: Re: [cgroup or VFS ?] INFO: possible recursive locking detected References: <49617D2E.8050502@cn.fujitsu.com> <496576E7.1@cn.fujitsu.com> <20090209112321.GW28946@ZenIV.linux.org.uk> <1234180131.5951.85.camel@laptop> <4990EF3F.3010501@cn.fujitsu.com> <20090210043733.GY28946@ZenIV.linux.org.uk> <49910E55.7050905@cn.fujitsu.com> <20090210060737.GZ28946@ZenIV.linux.org.uk> <49914815.4020209@cn.fujitsu.com> In-Reply-To: <49914815.4020209@cn.fujitsu.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> BTW, which dentries are going to stick around until that point? >> > > Not sure if I got what you mean. cgroup_kill_sb() will be called only if there > are no sub-dirs. > Though at this point there won't be any sub-dirs, we have dentries of all the control files (normal file) in the root dir.