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 8F73FC433F5 for ; Fri, 28 Jan 2022 14:00:00 +0000 (UTC) Received: from localhost ([::1]:38150 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nDRnD-0005Tm-2z for qemu-devel@archiver.kernel.org; Fri, 28 Jan 2022 08:59:59 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53122) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nDRRZ-00035H-Ip for qemu-devel@nongnu.org; Fri, 28 Jan 2022 08:37:38 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:23650) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nDRRW-000405-EU for qemu-devel@nongnu.org; Fri, 28 Jan 2022 08:37:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1643377048; 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=hlCwyaKtsChmbraFGuskqo4Zm7N/3vXrjDg9XbGLW2Q=; b=e5jO+FIKJBTVIPTEtcwJzAL56u+yVWpDrltzj2OVZUfE13w8+cCnxdZcPBfLL7/4ScSsCS 8BExUafNr8+X9ecTPxW42UUnMFhTBQjLJj1PCSLEvF3fJLrKVLa7GFTSizqErJU/0MSXvW izl+4VgMiX6BEYPbKlSfNdzbZ0nNFwU= 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-400-WlGyciGYMz2TqUlSclENmw-1; Fri, 28 Jan 2022 08:37:25 -0500 X-MC-Unique: WlGyciGYMz2TqUlSclENmw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8B6E91006AA8; Fri, 28 Jan 2022 13:37:24 +0000 (UTC) Received: from localhost (unknown [10.39.194.34]) by smtp.corp.redhat.com (Postfix) with ESMTP id 34B177DE28; Fri, 28 Jan 2022 13:37:10 +0000 (UTC) Date: Fri, 28 Jan 2022 13:37:10 +0000 From: "Richard W.M. Jones" To: Hanna Reitz Subject: Re: Block alignment of qcow2 compress driver Message-ID: <20220128133710.GH7596@redhat.com> References: <20220128110732.GA19514@redhat.com> <20220128114815.GQ1127@redhat.com> <26486e0e-adb5-aa3b-e70d-82ab21a0d2be@redhat.com> <20220128121803.GS1127@redhat.com> <54f3a548-ebea-9ed5-6387-5dda2bf92c4e@redhat.com> <20220128133053.GT1127@redhat.com> MIME-Version: 1.0 In-Reply-To: <20220128133053.GT1127@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 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: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.167, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, 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: kwolf@redhat.com, andrey.shinkevich@virtuozzo.com, eblake@redhat.com, qemu-devel@nongnu.org, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, Jan 28, 2022 at 01:30:53PM +0000, Richard W.M. Jones wrote: > I feel like this may be a bug in what qemu-nbd advertises. Currently > it is: Ignore this email, see other reply. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://libguestfs.org