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[2620:137:e000::1:20]) by mx.google.com with ESMTP id x18-20020a63b212000000b0053b8c7c8304si936182pge.483.2023.05.31.06.09.53; Wed, 31 May 2023 06:10:08 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=LbVnJ7to; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236058AbjEaNGr (ORCPT + 99 others); Wed, 31 May 2023 09:06:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33524 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236218AbjEaNGl (ORCPT ); Wed, 31 May 2023 09:06:41 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEA90E60; Wed, 31 May 2023 06:06:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=U9SykjTbl/OmSzNnS/VGmSZL4PA7bSh1J2szdt4a2Pw=; b=LbVnJ7tohLEudtorXqpRDpDZN3 KXS1escUUdY/DOXE7glxtWC7fv9LCCpxim1GaC10rWst+5gsMqchki8IHRmidw7fP3Yp+eFn94KqR Sk3dPh8FTOHJx2C/NuNLtFTFLLg+Fd8C4Yr7YSG/vtsfYoF9ppSAaq2sz008A8aZIJk5eS/zyxQ8v XHhHoV4dijEof0Mg945LcJZFOINy4hrdPsD4A7V6Rvu5BcvrgpgHFOemHsIeOS9qELyCYqpg8Dm/9 /VlSeRJ7BRB3iK335gAVE7bN5LCpjoCYZ6HS0gO8oj60ZKSJ/+BciNQmRVyAgUc4NgSQJYtOl37ba /yKTbOYw==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1q4LWl-00HUSK-1J; Wed, 31 May 2023 13:06:11 +0000 Date: Wed, 31 May 2023 06:06:11 -0700 From: Christoph Hellwig To: Demi Marie Obenour Cc: Jens Axboe , Roger Pau =?iso-8859-1?Q?Monn=E9?= , Alasdair Kergon , Mike Snitzer , dm-devel@redhat.com, linux-block@vger.kernel.org, xen-devel@lists.xenproject.org, Marek =?iso-8859-1?Q?Marczykowski-G=F3recki?= , linux-kernel@vger.kernel.org Subject: Re: [dm-devel] [PATCH v2 00/16] Diskseq support in loop, device-mapper, and blkback Message-ID: References: <20230530203116.2008-1-demi@invisiblethingslab.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230530203116.2008-1-demi@invisiblethingslab.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 30, 2023 at 04:31:00PM -0400, Demi Marie Obenour wrote: > This work aims to allow userspace to create and destroy block devices > in a race-free way, and to allow them to be exposed to other Xen VMs via > blkback without races. > > Changes since v1: > > - Several device-mapper fixes added. Let's get these reviewed by the DM maintainers independently. This series is mixing up way too many things.