From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262192AbTLQAND (ORCPT ); Tue, 16 Dec 2003 19:13:03 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262331AbTLQAND (ORCPT ); Tue, 16 Dec 2003 19:13:03 -0500 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:56757 "EHLO fgwmail5.fujitsu.co.jp") by vger.kernel.org with ESMTP id S262192AbTLQANA (ORCPT ); Tue, 16 Dec 2003 19:13:00 -0500 Message-ID: <3FDF9F88.7000705@labs.fujitsu.com> Date: Wed, 17 Dec 2003 09:12:56 +0900 From: Tsuchiya Yoshihiro Reply-To: tsuchiya@labs.fujitsu.com Organization: Fujitsu Labs User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5) Gecko/20031007 X-Accept-Language: en-us, en MIME-Version: 1.0 To: viro@parcelfarce.linux.theplanet.co.uk CC: Bryan Whitehead , "Stephen C. Tweedie" , linux-kernel Subject: Re: filesystem bug? References: <3FDD7DFD.7020306@labs.fujitsu.com> <1071582242.5462.1.camel@sisko.scot.redhat.com> <3FDF7BE0.205@jpl.nasa.gov> <3FDF95EB.2080903@labs.fujitsu.com> <20031216234024.GP4176@parcelfarce.linux.theplanet.co.uk> In-Reply-To: <20031216234024.GP4176@parcelfarce.linux.theplanet.co.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org viro@parcelfarce.linux.theplanet.co.uk wrote: >Umm... You do realize that if you have a shared writable mapping, the >buffer contents _can_ change during the IO? Legitimately. When dirty Thanks for telling me about it. But this case, the broken data can be in an inode block. And also the test script does not share any files. It just create,write,read and remove independent files. Yoshihiro Tsuchiya: >SCSI disk and IDE also. The problem we observed in our driver was that We haven't tried it with IDE disk. Sorry. Thank you, Yoshi --- Yoshihiro Tsuchiya