Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966042AbWKIQhJ (ORCPT ); Thu, 9 Nov 2006 11:37:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S966044AbWKIQhI (ORCPT ); Thu, 9 Nov 2006 11:37:08 -0500 Received: from 63-162-81-179.lisco.net ([63.162.81.179]:24733 "EHLO grunt.slaphack.com") by vger.kernel.org with ESMTP id S966042AbWKIQhH (ORCPT ); Thu, 9 Nov 2006 11:37:07 -0500 Message-ID: <4553593E.3070202@slaphack.com> Date: Thu, 09 Nov 2006 10:37:18 -0600 From: David Masover User-Agent: Thunderbird 1.5.0.8 (Macintosh/20061025) MIME-Version: 1.0 To: Lennart Sorensen CC: Suzuki , reiserfs-list@namesys.com, lkml , Jan Kara Subject: Re: Problem with multiple mounts References: <45522E67.7050907@linux.vnet.ibm.com> <20061108203323.GA8238@csclub.uwaterloo.ca> <45525C82.5080303@linux.vnet.ibm.com> <20061108230623.GZ6012@schatzie.adilger.int> <20061109151546.GA8236@csclub.uwaterloo.ca> In-Reply-To: <20061109151546.GA8236@csclub.uwaterloo.ca> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1408 Lines: 30 Lennart Sorensen wrote: > On Wed, Nov 08, 2006 at 04:06:23PM -0700, Andreas Dilger wrote: >> I would suggest that even while this is not supported, it would be prudent >> to fix such a bug. It might be possible to hit a similar problem if there >> is corruption of the on-disk data in the journal and oopsing the kernel >> isn't a graceful way to deal with bad data on disk. > > On the other hand corrupt data at least doesn't change under you while > you are trying to figure out the filesystem. It might. I'd suspect that there can, in fact, be something done about this, assuming good RAM. After all, a corrupt image won't crash a decent web browser. It might sacrifice a ton of performance, though. I suggest it shouldn't be a priority to try to figure this out, and if it's ever implemented, make it a mount option -- -o paranoid or something. Obviously we don't care if a rescue disc takes forever, but we don't want to be waiting for hours on our FS boot, which is why I have an initrd mount my Reiser4 FS with "-o dont_load_bitmap" (Yes, I realize the right way to do this is initramfs now. I'm too lazy to figure out how to make that work.) - 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/