From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751802AbZKLMme (ORCPT ); Thu, 12 Nov 2009 07:42:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751515AbZKLMme (ORCPT ); Thu, 12 Nov 2009 07:42:34 -0500 Received: from cantor.suse.de ([195.135.220.2]:51453 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751440AbZKLMmd (ORCPT ); Thu, 12 Nov 2009 07:42:33 -0500 Date: Thu, 12 Nov 2009 13:42:38 +0100 From: Jan Kara To: Bastien ROUCARIES Cc: LKML , Jan Kara Subject: Re: warn on lookup_one_length/vfs_quota_on_mount Message-ID: <20091112124238.GH14528@duck.suse.cz> References: <195c7a900911112329v7df8e718s5c0a5babdea39b99@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <195c7a900911112329v7df8e718s5c0a5babdea39b99@mail.gmail.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Thu 12-11-09 08:29:06, Bastien ROUCARIES wrote: > I get the following warm on my reiserfs disk with quota enabled at > boot (each boot) see > http://www.kerneloops.org/raw.php?rawid=937752&msgid= > *lookup_one_len > ? lookup_one_len > ? lookup_one_len > ? warn_slowpath_common > ? lookup_one_len > ? vfs_quota_on_mount > ? finish_unfinished > ? reiserfs_remount > ? __filemap_fdatawrite_range > ? do_remount_sb > ? do_mount > ? sys_mount > ? system_call_fastpath > > But it seems a generic bug in the quota layer due to: > http://www.kerneloops.org/oops.php?number=799645 > http://www.kerneloops.org/oops.php?number=700122 OK, this shouldn't lead to any real bug (since we look them up during filesystem mount or remount read-write when noone can mess with the root directory). But it's probably good to silence the warning by proper locking anyway. I'll do it. Thanks for the report! Honza -- Jan Kara SUSE Labs, CR