From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Mon, 29 Sep 2008 07:12:12 -0700 (PDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.168.29]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m8TEC4J9022493 for ; Mon, 29 Sep 2008 07:12:06 -0700 Received: from bombadil.infradead.org (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 2B47949240C for ; Mon, 29 Sep 2008 07:13:40 -0700 (PDT) Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) by cuda.sgi.com with ESMTP id PlOQ6lxdqAOYyAZ1 for ; Mon, 29 Sep 2008 07:13:40 -0700 (PDT) Date: Mon, 29 Sep 2008 10:13:26 -0400 From: Christoph Hellwig Subject: Re: [PATCH 3/3] Add timeout feature Message-ID: <20080929141326.GA31781@infradead.org> References: <20080908205337t-sato@mail.jp.nec.com> <20080908171119.GB22521@infradead.org> <48DBFD42.6030307@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Takashi Sato Cc: Ric Wheeler , Christoph Hellwig , Andrew Morton , Oleg Nesterov , linux-fsdevel@vger.kernel.org, dm-devel@redhat.com, viro@ZenIV.linux.org.uk, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, axboe@kernel.dk, mtk.manpages@googlemail.com, linux-kernel@vger.kernel.org On Fri, Sep 26, 2008 at 05:52:35PM +0900, Takashi Sato wrote: > I think that your concern is that the freezer cannot recognize the occurrence > of a timeout and it continues the backup process and the backup data is > corrupted finally. What timeout should happen? the freeze ioctl must not return until the filesystem is a clean state and all writes are blocked.