From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752344Ab3KCGdh (ORCPT ); Sun, 3 Nov 2013 01:33:37 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:36470 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751250Ab3KCGdf (ORCPT ); Sun, 3 Nov 2013 01:33:35 -0500 Message-ID: <5275EE14.2000701@oracle.com> Date: Sun, 03 Nov 2013 14:32:52 +0800 From: Vaughan Cao User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: dgilbert@interlog.com, Christoph Hellwig CC: SCSI development list , James Bottomley , linux-kernel , =?UTF-8?B?SsO2cm4gRW5nZWw=?= Subject: Re: [PATCH v2] sg: O_EXCL and other lock handling References: <52718713.7050906@interlog.com> <20131031155653.GA16944@infradead.org> <5272AD80.90203@interlog.com> <5273391C.2010705@oracle.com> <527542E3.7090809@interlog.com> In-Reply-To: <527542E3.7090809@interlog.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2013年11月03日 02:22, Douglas Gilbert wrote: > On 13-11-01 01:16 AM, vaughan wrote: > > I do not follow the last point but that is not important. > > > For reasons that I listed in a private post I think > that my patch presented in this thread is closer to > our goals than your patch (2013/6/17/319). Timing is > important as well since we are approaching the lk 3.13 > merge window. Regressions are what will set us back. > Yes, I agree with you. My v2 patch lacks much consideration on release/detach cases, which is a very significant issue we should address along with o_excl bug. Thanks, Vaughan