Return-Path: linux-nfs-owner@vger.kernel.org Received: from e39.co.us.ibm.com ([32.97.110.160]:48545 "EHLO e39.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753178Ab3KMAdr (ORCPT ); Tue, 12 Nov 2013 19:33:47 -0500 Received: from /spool/local by e39.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 12 Nov 2013 17:33:47 -0700 In-Reply-To: <20131112230201.GB28033@fieldses.org> References: <1384283048-7699-1-git-send-email-bjschuma@netapp.com> <20131112194529.GA26341@fieldses.org> <20131112230201.GB28033@fieldses.org> To: "J. Bruce Fields" Cc: Anna Schumaker , linux-nfs@vger.kernel.org, linux-nfs-owner@vger.kernel.org, Marc Eshel MIME-Version: 1.0 Subject: Re: [PATCH v2 0/3] NFSD: Implement SEEK From: Marc Eshel Message-ID: Date: Tue, 12 Nov 2013 16:32:51 -0800 Content-Type: text/plain; charset="US-ASCII" Sender: linux-nfs-owner@vger.kernel.org List-ID: "J. Bruce Fields" wrote on 11/12/2013 03:02:01 PM: > From: "J. Bruce Fields" > To: Marc Eshel/Almaden/IBM@IBMUS, > Cc: Anna Schumaker , linux-nfs@vger.kernel.org, > linux-nfs-owner@vger.kernel.org > Date: 11/12/2013 03:19 PM > Subject: Re: [PATCH v2 0/3] NFSD: Implement SEEK > > On Tue, Nov 12, 2013 at 02:44:21PM -0800, Marc Eshel wrote: > > linux-nfs-owner@vger.kernel.org wrote on 11/12/2013 11:45:29 AM: > > > > > From: "J. Bruce Fields" > > > To: Anna Schumaker , > > > Cc: linux-nfs@vger.kernel.org > > > Date: 11/12/2013 12:07 PM > > > Subject: Re: [PATCH v2 0/3] NFSD: Implement SEEK > > > Sent by: linux-nfs-owner@vger.kernel.org > > > > > > On Tue, Nov 12, 2013 at 02:04:05PM -0500, Anna Schumaker wrote: > > > > These patches implement just the SEEK NFS v4.2 operation. WRITE_PLUS > > is > > > > still under discussion with the IETF after my last series of patches, > > so I > > > > am holding off on resubmitting until after spec discussion dies down. > > > > > > > > Questions? Comments? Thoughts? > > > > Anna > > > > > > > > Anna Schumaker (3): > > > > NFSD: Update error codes > > > > > > I don't think I got this first patch. > > > > > > > NFSD: Create nfs v4.2 decode ops > > > > NFSD: Implement SEEK > > > > > > I'd like to be reassured the protocol is reasonably stable before we > > > commit this. I haven't been following the ietf wg discussion closely. > > > > > > And this should initially be disabled by default. So, probably either: > > > > It is not enough that it is usable only for client the mount > > minorversion=2 > > anyone using this option knows that they are using a prototype. > > The client may default to minorversion=2 some day, so, no, the user > doesn't necessarily know they're using a prototype. > > And the server doesn't have any control over what kernel or distro the > client's running. We want future clients to be able to default to 4.2, > and we don't require servers and clients to be upgraded in lockstep. The server accepting 4.2 mount can be under config options but once it is mounted it can support the new features by checking for the the version, right? Marc. > > --b. >