From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752784AbZFWAhA (ORCPT ); Mon, 22 Jun 2009 20:37:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752152AbZFWAgx (ORCPT ); Mon, 22 Jun 2009 20:36:53 -0400 Received: from moutng.kundenserver.de ([212.227.17.8]:65352 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751542AbZFWAgw (ORCPT ); Mon, 22 Jun 2009 20:36:52 -0400 Date: Mon, 22 Jun 2009 17:36:46 -0700 (PDT) From: Christian Kujau To: David Howells cc: Linux filesystem caching discussion list , LKML Subject: Re: [Linux-cachefs] CacheFiles: Readpage failed on backing file In-Reply-To: <6950.1245661098@redhat.com> Message-ID: References: <6950.1245661098@redhat.com> User-Agent: Alpine 2.01 (DEB 1184 2008-12-16) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Provags-ID: V01U2FsdGVkX1/dM5s23PvwYBm4py5Ow2ZuStFrjg6+Wjf/7+0 MDc7Vx6QEojQFF256FUgfCxAry4Y88+0tM23/g0sTIfqY8C8Vk GiYkkuTuLXNn8rzfwp5hA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 22 Jun 2009, David Howells wrote: >> [ 399.332346] [] ? ext3_truncate+0x26a/0x9e0 > > Can you try the attached patch, please? The patch helps, I think. Without this patch I was able to reproduce this very quickly, just running "grep -lr foo /share/nfs" was enough to trigger the backtrace. With this patch, grep is still running (and utilizing cachefiles) but no warnings so far. Thanks! Christian. -- BOFH excuse #83: Support staff hung over, send aspirin and come back LATER.