From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6D16C3A5A6 for ; Thu, 19 Sep 2019 13:40:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A600B21D6C for ; Thu, 19 Sep 2019 13:40:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390278AbfISNkI (ORCPT ); Thu, 19 Sep 2019 09:40:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33342 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389222AbfISNkH (ORCPT ); Thu, 19 Sep 2019 09:40:07 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AA5D67BDA2; Thu, 19 Sep 2019 13:40:07 +0000 (UTC) Received: from madhat.boston.devel.redhat.com (ovpn-116-74.phx2.redhat.com [10.3.116.74]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4E7775D6B0; Thu, 19 Sep 2019 13:40:07 +0000 (UTC) Subject: Re: support for UDP To: Olga Kornievskaia , linux-nfs References: From: Steve Dickson Message-ID: <05e6e3ea-35c6-e4e0-3ba6-6a9ee0b86592@RedHat.com> Date: Thu, 19 Sep 2019 09:40:06 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 19 Sep 2019 13:40:07 +0000 (UTC) Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org On 9/13/19 11:14 AM, Olga Kornievskaia wrote: > Hi folks, > > I'd like to gauge what people think. Do you think we'd ever do a bold > thing like drop the UDP support in the upstream kernel (obviously with > a plan to fade it out with a config option that we did with the des > support)... > Starting with Fedora 29 and RHEL7 UDP mounts are no longer negotiated. The command line argument is need to do a UDP mount. Again starting with Fedora 29 and now RHEL8 UDP is off by default on the NFS servers. A configuration change is needed for UDP mounts. We did this to cut the testing matrix in half... We've not had any push back on the lack of UDP support. Personally I think it is long overdue... My two cents, steved.