From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752201Ab1IKHBa (ORCPT ); Sun, 11 Sep 2011 03:01:30 -0400 Received: from silver.sucs.swan.ac.uk ([137.44.10.1]:50038 "EHLO silver.sucs.swan.ac.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751899Ab1IKHB3 (ORCPT ); Sun, 11 Sep 2011 03:01:29 -0400 Date: Sun, 11 Sep 2011 08:01:15 +0100 From: Sitsofe Wheeler To: Lin Ming Cc: NeilBrown , Wu Fengguang , Christoph Hellwig , Hugh Dickins , Andrew Morton , lkml Subject: Re: md related oops triggered in bdev_inode_switch_bdi Message-ID: <20110911070115.GA6361@sucs.org> References: <20110831162211.2a1fe3fb@notabene.brown> <20110901033056.GA22050@localhost> <20110901154936.26e35821@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 09, 2011 at 04:56:30PM +0800, Lin Ming wrote: > On Thu, Sep 1, 2011 at 1:49 PM, NeilBrown wrote: > > On Thu, 1 Sep 2011 11:30:56 +0800 Wu Fengguang wrote: > > > >> Hi Neil, > >> > >> > Subject: [PATCH] Avoid dereferencing a 'request_queue' after last close. > >> > >> Reviewed-by: Wu Fengguang > > > > Thanks. > Just FYI, > this patch also fixes below bug which can be reproduced by unplug the > usb disk before umount. Agreed - this fixes the oops I was seeing pulling out a USB key with a mounted FAT32 filesystem (https://lkml.org/lkml/2011/9/5/339 ). Thanks to Yang RuiRui and akpm for point me to this patch. Tested-by: Sitsofe Wheeler -- Sitsofe | http://sucs.org/~sits/