From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755530AbZBWCci (ORCPT ); Sun, 22 Feb 2009 21:32:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752486AbZBWCc3 (ORCPT ); Sun, 22 Feb 2009 21:32:29 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:50072 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752006AbZBWCc3 (ORCPT ); Sun, 22 Feb 2009 21:32:29 -0500 Message-ID: <49A20ACE.7020309@cn.fujitsu.com> Date: Mon, 23 Feb 2009 10:32:46 +0800 From: Li Zefan User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: KAMEZAWA Hiroyuki CC: Paul Menage , "linux-kernel@vger.kernel.org" , containers@lists.linux-foundation.org Subject: Re: Question for remount References: <20090220190223.e8b4f6a8.kamezawa.hiroyu@jp.fujitsu.com> <6599ad830902200822u6d453340me718bacac3925040@mail.gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org KAMEZAWA Hiroyuki wrote: > Paul Menage さんは書きました： >> On Fri, Feb 20, 2009 at 2:02 AM, KAMEZAWA Hiroyuki >> wrote: >>> 2. /proc/mounts information of release_agent should be updated.... >>> when it's overwritten directly. >> Yes, definitely. But shouldn't that happen already? >> cgroup_show_options() reports the current value of >> root->release_agent_path in /proc/mounts. Is it possible that mount is >> actually storing/retrieving this information in /etc/mtab, which >> doesn't get updated? >> > Ah, you're right. /proc/mounts is updated but /etc/mtab is not updated. > Hmm..from man mount(1), /etc/mtab is not synchronized with /proc/mounts. > Do we need to allow release_agent override at remount ? > Since we've allowed this behavior, I think we shouldn't disallow it to supprise users?