Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030969AbWKOUYH (ORCPT ); Wed, 15 Nov 2006 15:24:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030968AbWKOUYG (ORCPT ); Wed, 15 Nov 2006 15:24:06 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:59862 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S1030969AbWKOUYD (ORCPT ); Wed, 15 Nov 2006 15:24:03 -0500 Date: Wed, 15 Nov 2006 21:23:48 +0100 From: Pavel Machek To: "Rafael J. Wysocki" Cc: David Chinner , Alasdair G Kergon , Eric Sandeen , Andrew Morton , linux-kernel@vger.kernel.org, dm-devel@redhat.com, Srinivasa DS , Nigel Cunningham Subject: Re: [PATCH 2.6.19 5/5] fs: freeze_bdev with semaphore not mutex Message-ID: <20061115202348.GB3875@elf.ucw.cz> References: <20061107183459.GG6993@agk.surrey.redhat.com> <20061115185029.GA3722@elf.ucw.cz> <200611152056.48218.rjw@sisk.pl> <200611152100.35054.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200611152100.35054.rjw@sisk.pl> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 854 Lines: 24 Hi! > > There's one more thing, actually. If the on-disk data and metadata are > > changed _after_ the sync we do and _before_ we create the snapshot image, > > and the subsequent resume fails, > > Well, but this is equivalent to a power failure immediately after the sync, so > there _must_ be a way to recover the filesystem from that, no? Exactly. > I think I'll prepare a patch for freezing the work queues and we'll see what > to do next. Thanks! Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - 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/