From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750765AbVHKOKI (ORCPT ); Thu, 11 Aug 2005 10:10:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750782AbVHKOKH (ORCPT ); Thu, 11 Aug 2005 10:10:07 -0400 Received: from chilli.pcug.org.au ([203.10.76.44]:60378 "EHLO smtps.tip.net.au") by vger.kernel.org with ESMTP id S1750765AbVHKOKG (ORCPT ); Thu, 11 Aug 2005 10:10:06 -0400 Date: Fri, 12 Aug 2005 00:10:04 +1000 From: Stephen Rothwell To: "Michael Kerrisk" Cc: trond.myklebust@fys.uio.no, peterc@gelato.unsw.edu.au, linux-kernel@vger.kernel.org, matthew@wil.cx, michael.kerrisk@gmx.net Subject: Re: fcntl(F GETLEASE) semantics?? Message-Id: <20050812001004.68779bfc.sfr@canb.auug.org.au> In-Reply-To: <994.1123766559@www9.gmx.net> References: <1123764552.8251.43.camel@lade.trondhjem.org> <994.1123766559@www9.gmx.net> X-Mailer: Sylpheed version 2.0.0 (GTK+ 2.6.9; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 11 Aug 2005 15:22:39 +0200 (MEST) "Michael Kerrisk" wrote: > > > A shared (i.e. read) lease means that there are currently no processes > > that can change the data or metadata (including your own). > ^^^^^^^^^^^^^^^^^ > > This is precisely the point of the problem. Stephen > Rothwell, and Matthew Wilcox seem to be saying that > the last bit is not the case. Sorry, Michael, I was not aware of why the change was made and I must defer to Trond (for NFSv4) and the CIFS team on the appropriate semantics here. Matthew may have another opinion. -- Cheers, Stephen Rothwell sfr@canb.auug.org.au http://www.canb.auug.org.au/~sfr/