From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755460AbZBUApv (ORCPT ); Fri, 20 Feb 2009 19:45:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753923AbZBUApn (ORCPT ); Fri, 20 Feb 2009 19:45:43 -0500 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:34493 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751779AbZBUApm (ORCPT ); Fri, 20 Feb 2009 19:45:42 -0500 Message-ID: In-Reply-To: <6599ad830902200822u6d453340me718bacac3925040@mail.gmail.com> References: <20090220190223.e8b4f6a8.kamezawa.hiroyu@jp.fujitsu.com> <6599ad830902200822u6d453340me718bacac3925040@mail.gmail.com> Date: Sat, 21 Feb 2009 09:45:33 +0900 (JST) Subject: Re: Question for remount From: "KAMEZAWA Hiroyuki" To: "Paul Menage" Cc: "KAMEZAWA Hiroyuki" , "linux-kernel@vger.kernel.org" , lizf@cn.fujitsu.com, containers@lists.linux-foundation.org User-Agent: SquirrelMail/1.4.16 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-2022-jp Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) Importance: Normal Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 ? -Kame