From owner-freebsd-current@freebsd.org Fri May 14 20:36:22 2021 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id DEC5962AD4A for ; Fri, 14 May 2021 20:36:22 +0000 (UTC) (envelope-from pen@lysator.liu.se) Received: from mail.lysator.liu.se (mail.lysator.liu.se [130.236.254.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4FhgKf0sy7z3hKV for ; Fri, 14 May 2021 20:36:21 +0000 (UTC) (envelope-from pen@lysator.liu.se) Received: from mail.lysator.liu.se (localhost [127.0.0.1]) by mail.lysator.liu.se (Postfix) with ESMTP id 670D340003 for ; Fri, 14 May 2021 22:36:18 +0200 (CEST) Received: by mail.lysator.liu.se (Postfix, from userid 1004) id 53F7940004; Fri, 14 May 2021 22:36:18 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on bernadotte.lysator.liu.se X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,AWL autolearn=disabled version=3.4.2 X-Spam-Score: -1.0 Received: from [192.168.1.132] (h-201-113.A785.priv.bahnhof.se [98.128.201.113]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.lysator.liu.se (Postfix) with ESMTPSA id 5051A40003; Fri, 14 May 2021 22:36:16 +0200 (CEST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.60.0.2.21\)) Subject: Re: RFC: changing the default NFSv4 minor version? From: Peter Eriksson In-Reply-To: Date: Fri, 14 May 2021 22:36:15 +0200 Cc: Rick Macklem Content-Transfer-Encoding: 7bit Message-Id: <40207529-CDA8-48C3-AE41-8E4B914F79A5@lysator.liu.se> References: To: FreeBSD Current X-Mailer: Apple Mail (2.3654.60.0.2.21) X-Virus-Scanned: ClamAV using ClamSMTP X-Rspamd-Queue-Id: 4FhgKf0sy7z3hKV X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=pass (policy=none) header.from=liu.se; spf=pass (mx1.freebsd.org: domain of pen@lysator.liu.se designates 130.236.254.3 as permitted sender) smtp.mailfrom=pen@lysator.liu.se X-Spamd-Result: default: False [-0.91 / 15.00]; RCVD_TLS_LAST(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+a:mail.lysator.liu.se]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; ARC_NA(0.00)[]; NEURAL_SPAM_SHORT(0.59)[0.592]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCVD_COUNT_THREE(0.00)[4]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; RCVD_IN_DNSWL_MED(-0.20)[130.236.254.3:from]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[liu.se,none]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:2843, ipnet:130.236.0.0/16, country:SE]; SUBJECT_ENDS_QUESTION(1.00)[]; MAILMAN_DEST(0.00)[freebsd-current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 May 2021 20:36:22 -0000 I vote for this. +1 - Peter > On 14 May 2021, at 01:02, Rick Macklem wrote: > > Hi, > > I believe that NFSv4.1 and NFSv4.2 are now mature in freebsd-current/main. > I also believe that NFSv4.1/4.2 is a better protocol than NFSv4.0. > (In particular, the sessions mechanism for "exactly once RPC semantics" > is a significant improvement over the duplicate request cache for NFSv4.0, > plus other improvements.) > > Right now, the FreeBSD NFSv4 client will use NFSv4.0 unless the > "minorversion" mount option is used to set the minor version to 1 or 2. > > The Linux client uses the highest minor version supported by both > client and server by default. > I'd like to propose that the default behaviour of the FreeBSD client > be changed to do the same, so that NFSv4.1/4.2 will be used when possible. > --> The "minorversion" mount option could still be used to override the > above default. > > I have hesitated doing this change because it could be considered a POLA > violation, but I think the change from 4.0->4.1/4.2 will normally be a > neutral to positive experience. (To be honest, I suspect most won't notice > the change.) > > How do others feel about this change? > > rick > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"