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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA139C433FE for ; Wed, 6 Oct 2021 17:33:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A1F106113A for ; Wed, 6 Oct 2021 17:33:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238119AbhJFRf2 (ORCPT ); Wed, 6 Oct 2021 13:35:28 -0400 Received: from mail-pj1-f46.google.com ([209.85.216.46]:42839 "EHLO mail-pj1-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231175AbhJFRf2 (ORCPT ); Wed, 6 Oct 2021 13:35:28 -0400 Received: by mail-pj1-f46.google.com with SMTP id nn3-20020a17090b38c300b001a03bb6c4ebso471335pjb.1; Wed, 06 Oct 2021 10:33:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=b0udGD6yPXFIVJbeGvfLIzJwm0LmddvqozG4vFBfvTE=; b=ZPqNZPwXBI6xmgS3O7IOfXqglzgK11exax56Pds4fVYOeKSP6G8DA7zkj7hqneepWC A+jWU+ewLPCT71vKfNiI58SJJcrs6NusRRSmv9afagfoexsQeFdCSoQ40gO/+vFT3m2q kv7+tKpZGpJjCAxvJKzko8Sl4d+HiVOENhFP6sAzS7bjLCg/9+Jz2fBonj6Rc6mI9NiX 8UfSqnNiPKd8b3I9hvV903ep6yC/OXpFmbDdWOHJBDhNuT3vHGrMKvuGZbesTqoisMeV +7LhwWd4RgIUmTL9Qzx5Mx0cX6qAzEUz0DUEMc6UhZlZ9Ih+BqYCWVDqkROCaoJh81V7 qbiQ== X-Gm-Message-State: AOAM530cD1FfkwXSfaRtKLS5PeGk+b8Ym18/UW6WQMGCq8c2BtCqZoxM cFC0RBK7uoVl78idHCEygws= X-Google-Smtp-Source: ABdhPJww5vn0LIX4yaBzMmvw+4zhd9LR+fC9FR6Wt5P5+rHOabghLfn4cJcj1iGMZ4cyBz8ApUN3GQ== X-Received: by 2002:a17:902:e801:b0:13f:255:9db5 with SMTP id u1-20020a170902e80100b0013f02559db5mr1022291plg.23.1633541615361; Wed, 06 Oct 2021 10:33:35 -0700 (PDT) Received: from bvanassche-linux.mtv.corp.google.com ([2620:15c:211:201:6ad6:c36f:fdfb:9e74]) by smtp.gmail.com with ESMTPSA id c15sm9368288pfp.39.2021.10.06.10.33.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Oct 2021 10:33:34 -0700 (PDT) Subject: Re: [LSF/MM/BFP ATTEND] [LSF/MM/BFP TOPIC] Storage: Copy Offload To: =?UTF-8?Q?Javier_Gonz=c3=a1lez?= Cc: Johannes Thumshirn , Chaitanya Kulkarni , "linux-block@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "dm-devel@redhat.com" , "lsf-pc@lists.linux-foundation.org" , "axboe@kernel.dk" , "msnitzer@redhat.com" , "martin.petersen@oracle.com" , "roland@purestorage.com" , "mpatocka@redhat.com" , "hare@suse.de" , "kbusch@kernel.org" , "rwheeler@redhat.com" , "hch@lst.de" , "Frederick.Knight@netapp.com" , "zach.brown@ni.com" , "osandov@fb.com" , Adam Manzanares , SelvaKumar S , Nitesh Shetty , Kanchan Joshi , Vincent Fu References: <20210928191340.dcoj7qrclpudtjbo@mpHalley.domain_not_set.invalid> <20211006100523.7xrr3qpwtby3bw3a@mpHalley.domain_not_set.invalid> From: Bart Van Assche Message-ID: Date: Wed, 6 Oct 2021 10:33:32 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20211006100523.7xrr3qpwtby3bw3a@mpHalley.domain_not_set.invalid> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 10/6/21 3:05 AM, Javier González wrote: > I agree that the topic is complex. However, we have not been able to > find a clear path forward in the mailing list. Hmm ... really? At least Martin Petersen and I consider device mapper support essential. How about starting from Mikulas' patch series that supports the device mapper? See also https://lore.kernel.org/all/alpine.LRH.2.02.2108171630120.30363@file01.intranet.prod.int.rdu2.redhat.com/ > What do you think about joining the call to talk very specific next > steps to get a patchset that we can start reviewing in detail. I can do that. Thanks, Bart.