From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765545AbYETMHH (ORCPT ); Tue, 20 May 2008 08:07:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755950AbYETMGx (ORCPT ); Tue, 20 May 2008 08:06:53 -0400 Received: from agminet01.oracle.com ([141.146.126.228]:28078 "EHLO agminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750759AbYETMGw (ORCPT ); Tue, 20 May 2008 08:06:52 -0400 From: Chris Mason To: Timothy Shimmin Subject: Re: [PATCH 0/4] (RESEND) ext3[34] barrier changes Date: Tue, 20 May 2008 08:04:48 -0400 User-Agent: KMail/1.9.9 Cc: Jan Kara , Andrew Morton , Eric Sandeen , Theodore Tso , Andi Kleen , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org References: <482DDA56.6000301@redhat.com> <200805192029.21688.chris.mason@oracle.com> <48324598.4060803@sgi.com> In-Reply-To: <48324598.4060803@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200805200804.49389.chris.mason@oracle.com> X-Brightmail-Tracker: AAAAAQAAAAI= X-Brightmail-Tracker: AAAAAQAAAAI= X-Whitelist: TRUE X-Whitelist: TRUE Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 19 May 2008, Timothy Shimmin wrote: [ power fail testing with write back cache on ] > > I was also able to trigger corruptions on XFS (one run out of two), so it > > is unlikely I'm seeing bugs in the ext3 replay or logging code. > > Just to clarify, > was this test with barriers on or off for XFS? > I'm wondering if it was with barriers on, then we have a reproducible > bug in log replay. > Or whether you were just confirming the problems with barriers off on > another filesystem. Barriers were off on xfs, the corruptions were not xfs' fault. -chris