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=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,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 8379AC433DB for ; Thu, 4 Mar 2021 16:32:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 54F1964F40 for ; Thu, 4 Mar 2021 16:32:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237696AbhCDQbs (ORCPT ); Thu, 4 Mar 2021 11:31:48 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:44271 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237699AbhCDQbb (ORCPT ); Thu, 4 Mar 2021 11:31:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614875406; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0cH0qlZyrINvH9ZjVrATSlhhGUCiQBfdluI8GVcNQLc=; b=OWp33X7iFJx/MoffTQ9e6SMsMX9nR8mk4eQUF9DaBOdloeHXE1PKgELBX7goL9xDqNbHlT ojmPCVajL8PYmDXx+kcGRIskLkuFX/EjujdoK4JTbz7YNxhG1JtZ5Gup+u3QC9nUdWr8S2 MSPd8OuaR9kAZXjsKJuL8pEoEKQmSkg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-505-a1ThhUwHNaSlOZBIIfkxZg-1; Thu, 04 Mar 2021 11:30:04 -0500 X-MC-Unique: a1ThhUwHNaSlOZBIIfkxZg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4E88657; Thu, 4 Mar 2021 16:30:03 +0000 (UTC) Received: from madhat.boston.devel.redhat.com (ovpn-114-51.phx2.redhat.com [10.3.114.51]) by smtp.corp.redhat.com (Postfix) with ESMTP id 057F839A71; Thu, 4 Mar 2021 16:30:02 +0000 (UTC) Subject: Re: [PATCH 0/7 V4] The NFSv4 only mounting daemon. To: "J. Bruce Fields" Cc: Linux NFS Mailing list References: <20210219200815.792667-1-steved@redhat.com> <20210224203053.GF11591@fieldses.org> <1553fb2d-9b8e-f8eb-8c72-edcd14a2ad08@RedHat.com> <20210303152342.GA1282@fieldses.org> <376b6b0a-5679-4692-cfdb-b8c7919393a5@RedHat.com> <20210303215415.GE3949@fieldses.org> <20210303221730.GH3949@fieldses.org> <80610f08-6f8d-1390-1875-068e63e744eb@RedHat.com> <20210304140617.GB17512@fieldses.org> From: Steve Dickson Message-ID: <4204cd8e-f8c4-103e-bb69-a6bf720e65e9@RedHat.com> Date: Thu, 4 Mar 2021 11:31:53 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <20210304140617.GB17512@fieldses.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org On 3/4/21 9:06 AM, J. Bruce Fields wrote: > On Thu, Mar 04, 2021 at 08:57:28AM -0500, Steve Dickson wrote: >> Personally I see this is the first step away from V3... >> >> So what we don't need is all that RPC code, all the different mounting >> versions... no RPC code at all, which also means no need for libtirpc... >> That is a lot of code that goes away, which I think is a good thing. > > libtirpc is a shared library, it'll still be loaded as long as anyone > needs it, and I'm not convinced we'll be able to get rid of all users. > >> I never thought it was a good idea to have mountd process >> the v4 upcalls... I always thought it should be a different >> deamon... and now we have one. >> >> A simple daemon that only processes v4 upcalls. > > I really do get the appeal, I've always liked the idea too. > > I'm not sure it's bringing us a real practical advantage at this point, > compared to rpc.mountd, which can act either as a daemon that only > processes v4 upcalls or can do both, depending on how you start it. Right with some configuration changes... But I do think there is value with have a package that will work right out of the box! Boom! Install the package and you have a working v4 server with no configure changes... I do think there is value there. steved.