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 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D0D6BC433EF for ; Wed, 16 Feb 2022 10:18:10 +0000 (UTC) Received: from localhost ([::1]:48136 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nKHNx-0000Li-WB for qemu-devel@archiver.kernel.org; Wed, 16 Feb 2022 05:18:10 -0500 Received: from eggs.gnu.org ([209.51.188.92]:41628) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nKHJC-00082r-Fl for qemu-devel@nongnu.org; Wed, 16 Feb 2022 05:13:14 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:57640) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nKHJ9-0002Qd-B4 for qemu-devel@nongnu.org; Wed, 16 Feb 2022 05:13:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1645006387; 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: in-reply-to:in-reply-to:references:references; bh=s+3lWsJ553r/T9G+4OHC6BnZ6ESXT4DEeSlFllNTerw=; b=P5r7qh7dU9kvUboinRSuQ0U9BADgmCG2eUHh8uEiAvhQVtakmVOxjHBB9Nb+R53ajFPgQP bernqn6rNlfhIIfVBoF1aYyzWyHP4Jx86uliMcdFUlOqjW3xSjacu6zvoJR41kGGvAv3Lg Y5OPveZSGqW5jDsATp5L1YpIjxtdmcU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-500-a85-vyFZP56m3rQSi5oa_g-1; Wed, 16 Feb 2022 05:13:04 -0500 X-MC-Unique: a85-vyFZP56m3rQSi5oa_g-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id E9F63100CCC2; Wed, 16 Feb 2022 10:13:02 +0000 (UTC) Received: from localhost (unknown [10.39.194.34]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5F0A856AA2; Wed, 16 Feb 2022 10:12:55 +0000 (UTC) Date: Wed, 16 Feb 2022 10:12:54 +0000 From: "Richard W.M. Jones" To: Eric Blake Subject: Re: [PATCH v2] nbd/server: Allow MULTI_CONN for shared writable exports Message-ID: <20220216101254.GI1127@redhat.com> References: <20220215171838.2651387-1-eblake@redhat.com> <20220215232414.g4l4qoqiqyjvnweg@redhat.com> MIME-Version: 1.0 In-Reply-To: <20220215232414.g4l4qoqiqyjvnweg@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=rjones@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=170.10.133.124; envelope-from=rjones@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.083, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , qemu-block , QEMU Developers , Markus Armbruster , Nir Soffer , Hanna Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, Feb 15, 2022 at 05:24:14PM -0600, Eric Blake wrote: > Oh. The QMP command (which is immediately visible through > nbd-server-add/block-storage-add to qemu and qemu-storage-daemon) > gains "multi-conn":"on", but you may be right that qemu-nbd would want > a command line option (either that, or we accellerate our plans that > qsd should replace qemu-nbd). I really hope there will always be something called "qemu-nbd" that acts like qemu-nbd. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://people.redhat.com/~rjones/virt-df/