From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758163Ab0FBNhw (ORCPT ); Wed, 2 Jun 2010 09:37:52 -0400 Received: from mtagate5.uk.ibm.com ([194.196.100.165]:45315 "EHLO mtagate5.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754140Ab0FBNhv (ORCPT ); Wed, 2 Jun 2010 09:37:51 -0400 Date: Wed, 2 Jun 2010 15:37:48 +0200 From: Christof Schmitt To: "Martin K. Petersen" Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: Wrong DIF guard tag on ext2 write Message-ID: <20100602133748.GA11196@schmichrtp.mainz.de.ibm.com> References: <20100531112817.GA16260@schmichrtp.mainz.de.ibm.com> <20100531144648.GA19068@schmichrtp.mainz.de.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 01, 2010 at 09:16:35AM -0400, Martin K. Petersen wrote: > >>>>> "Christof" == Christof Schmitt writes: > > >> Yep, known bug. Page writeback locking is messed up for buffer_head > >> users. The extNfs folks volunteered to look into this a while back > >> but I don't think they have found the time yet. > > Christof> Thanks for the info. This means that this bug appears with all > Christof> filesystems? > > XFS and btrfs should be fine. XFS looks good in my test, thanks for the hint. I am going to use XFS for anything related to DIF for now. It would be nice to have a solution that works for all filesystems, but it looks like this will take some time and work. Christof