From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Wed, 19 Dec 2007 03:17:59 -0800 (PST) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.168.29]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id lBJBHp7D028797 for ; Wed, 19 Dec 2007 03:17:54 -0800 Received: from mallaury.nerim.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 4389549D615 for ; Wed, 19 Dec 2007 03:18:03 -0800 (PST) Received: from mallaury.nerim.net (smtp-103-wednesday.noc.nerim.net [62.4.17.103]) by cuda.sgi.com with ESMTP id lq50nRIUnsl80SVz for ; Wed, 19 Dec 2007 03:18:03 -0800 (PST) From: Damien Wyart Subject: Re: Important regression with XFS update for 2.6.24-rc6 References: <20071218112804.GA3069@localhost.localdomain> <20071218122445.GJ4396912@sgi.com> <877ijckrco.fsf@free.fr> <20071218151946.GQ4396912@sgi.com> <20071219104544.GC4612@sgi.com> Date: Wed, 19 Dec 2007 12:17:30 +0100 In-Reply-To: <20071219104544.GC4612@sgi.com> (David Chinner's message of "Wed, 19 Dec 2007 21:45:44 +1100") Message-ID: <87r6hjaq7p.fsf@free.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: David Chinner Cc: Christoph Hellwig , Lachlan McIlroy , Peter Leckie , Linus Torvalds , linux-xfs@oss.sgi.com, LKML * David Chinner [071219 11:45]: > Can someone pass me a brown paper bag, please? My first impression on this bug was not so wrong, after all ;-) > That also explains why we haven't seen it - it requires the user > buffer to fill on the first entry of a backing buffer and so it is > largely dependent on the pattern of name lengths, page size and > filesystem block size aligning just right to trigger the problem. I guess I was lucky to trigger it quite easily... > Can you test this patch, Damien? Works fine, all the bad symptoms have disappeared and strace output is normal. So you can add: Tested-by: Damien Wyart -- Damien