From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx1.redhat.com ([209.132.183.28]:22087 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758159Ab2CFCiO (ORCPT ); Mon, 5 Mar 2012 21:38:14 -0500 Message-ID: <4F557898.7040002@RedHat.com> Date: Mon, 05 Mar 2012 21:38:16 -0500 From: Steve Dickson MIME-Version: 1.0 To: Malahal Naineni CC: Linux NFS Mailing list Subject: Re: [PATCH 1/1] umount.nfs: normalize path names during umounts. References: <1330976165-19849-1-git-send-email-steved@redhat.com> <1330976165-19849-2-git-send-email-steved@redhat.com> <20120305212015.GA21904@us.ibm.com> <4F5559EA.7010206@RedHat.com> <1330993903.5407.3.camel@lade.trondhjem.org> <4F556007.2030603@RedHat.com> <1330995896.5407.8.camel@lade.trondhjem.org> <4F5569C5.1000100@RedHat.com> <20120306015230.GA4513@umich.edu> <20120306022505.GA32281@us.ibm.com> In-Reply-To: <20120306022505.GA32281@us.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-nfs-owner@vger.kernel.org List-ID: On 03/05/2012 09:25 PM, Malahal Naineni wrote: > Jim Rees [rees@umich.edu] wrote: >> I don't understand the backward compatibility issue. Are there times when >> you have a mount, and it's in /etc/mtab, but not in /proc/mounts? I don't >> see how that's possible. > > No, but that is what NFS umount thinks due to slight differences in > those two files. Happens only in NFSv4 world. Exactly... When /etc/mtab and /proc/mounts are not symbolically linked the v4 mount are written differently to both files as well as v3 mount are also written differently that v4 mounts... steved.