Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757377AbXIEPxS (ORCPT ); Wed, 5 Sep 2007 11:53:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756720AbXIEPxH (ORCPT ); Wed, 5 Sep 2007 11:53:07 -0400 Received: from pat.uio.no ([129.240.10.15]:58309 "EHLO pat.uio.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756545AbXIEPxG (ORCPT ); Wed, 5 Sep 2007 11:53:06 -0400 Subject: Re: recent nfs change causes autofs regression From: Trond Myklebust To: David Howells Cc: Ian Kent , Bill Davidsen , Linus Torvalds , Frank van Maarseveen , Hua Zhong , "'Linux Kernel Mailing List'" , akpm@linux-foundation.org In-Reply-To: <3558.1189006671@redhat.com> References: <1188996257.3119.7.camel@raven.themaw.net> <46DA0AB1.8050504@tmr.com> <000701c7eb49$cff701c0$6fe50540$@com> <1188513433.6626.24.camel@heimdal.trondhjem.org> <1188577275.6649.133.camel@heimdal.trondhjem.org> <5813.1188892468@redhat.com> <3558.1189006671@redhat.com> Content-Type: text/plain Date: Wed, 05 Sep 2007 16:50:14 +0100 Message-Id: <1189007414.13235.20.camel@gaula.trondhjem.org> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 Content-Transfer-Encoding: 7bit X-UiO-Resend: resent X-UiO-Spam-info: not spam, SpamAssassin (score=0.0, required=12.0, autolearn=disabled, none) X-UiO-Scanned: DBB58005C679EC08206A8DC21F7947F6FD29A0F1 X-UiO-SPAM-Test: remote_host: 129.240.10.9 spam_score: 0 maxlevel 200 minaction 2 bait 0 mail/h: 998 total 3689502 max/h 8345 blacklist 0 greylist 0 ratelimit 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 991 Lines: 26 On Wed, 2007-09-05 at 16:37 +0100, David Howells wrote: > Ian Kent wrote: > > > But what about mounting with different protocol, tcp vs udp for example. > > I was referring specifically to the R/O / R/W variants of the same mount. Any > flag variation that varies the way the NFS client talks to the NFS server must > either result in a new superblock or be ignored. > > David We currently ignore remount requests that attempt to change the NFS mount parameters. This is not new behaviour, BTW: it has always been the case, and nobody has ever requested it. The ro flag is different, and I agree that it should be moved to the vfsmount structure. I'm hoping Dave Hansen's patches will be ready for merging soon... Trond - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/