Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161109AbWJXRG7 (ORCPT ); Tue, 24 Oct 2006 13:06:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161103AbWJXRG7 (ORCPT ); Tue, 24 Oct 2006 13:06:59 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:49830 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S1161109AbWJXRG6 (ORCPT ); Tue, 24 Oct 2006 13:06:58 -0400 Date: Tue, 24 Oct 2006 18:06:33 +0100 From: Christoph Hellwig To: "Rafael J. Wysocki" Cc: David Chinner , Nigel Cunningham , Andrew Morton , LKML , Pavel Machek , xfs@oss.sgi.com Subject: Re: [PATCH] Freeze bdevs when freezing processes. Message-ID: <20061024170633.GA17956@infradead.org> Mail-Followup-To: Christoph Hellwig , "Rafael J. Wysocki" , David Chinner , Nigel Cunningham , Andrew Morton , LKML , Pavel Machek , xfs@oss.sgi.com References: <1161576735.3466.7.camel@nigel.suspend2.net> <200610231236.54317.rjw@sisk.pl> <20061024144446.GD11034@melbourne.sgi.com> <200610241730.00488.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200610241730.00488.rjw@sisk.pl> User-Agent: Mutt/1.4.2.1i X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 572 Lines: 13 On Tue, Oct 24, 2006 at 05:29:59PM +0200, Rafael J. Wysocki wrote: > Do you mean calling sys_sync() after the userspace has been frozen > may not be sufficient? No, that's definitly not enough. You need to freeze_bdev to make sure data is on disk in the place it's expected by the filesystem without starting a log recovery. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/