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=-5.3 required=3.0 tests=BAYES_00, 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 A6C1BC433B4 for ; Wed, 12 May 2021 02:21:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 728C8616EA for ; Wed, 12 May 2021 02:21:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229945AbhELCW3 (ORCPT ); Tue, 11 May 2021 22:22:29 -0400 Received: from mail-pg1-f181.google.com ([209.85.215.181]:43909 "EHLO mail-pg1-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229934AbhELCW3 (ORCPT ); Tue, 11 May 2021 22:22:29 -0400 Received: by mail-pg1-f181.google.com with SMTP id k15so4344830pgb.10; Tue, 11 May 2021 19:21:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; 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=daaDmlZfNtYf87e9KKZ0tzPnbye9JR8o5YOaGDdi4mk=; b=Opqe41XFmYsRx5pv4ZbRoFOXCHq6PmzEBBhRppPD0BsVYgkGeKIZY1JrmQAi5BcUnF aqq+eJ3ID/P+eZeSjCaOlD5+FLFdRDpboWtcG6QRAgBiMdnj6rX3Ol3YBaQEBF0Q5R59 tmT3dcRimIPRra+EumbJWL4+4oEkKn+UGkJYn0Qb/4cXyt9hcu2k4NZ0c7LT28h9YfQw qnx1WUw1I3JYyxG7uaBhaBiBwUQr32Gw9kHQxwPPSs30uwUcPlLnU5DGS63Z5b0hq45S 98Do/PC2i1BvcOVvzqdaO3EZXo1VMNerJ24RdxwcSrsVjCvFjyZ5RoetoTIQMqOtWhJ7 x+YQ== X-Gm-Message-State: AOAM530qJFHPE885M5X9fWAOMlZKOwEinmN7glGJLbBrIB8MJAEkKxpU pMuwDF2jEzlW3Yh4/ta9+Mc= X-Google-Smtp-Source: ABdhPJxg29un7hemzeM5RTmLf4VW113rEN7QX/F07mMfJ5zwt/qmJ20P8JnH+74H64FqIu6d5/qcuA== X-Received: by 2002:aa7:8e85:0:b029:28f:2620:957e with SMTP id a5-20020aa78e850000b029028f2620957emr33862188pfr.40.1620786080715; Tue, 11 May 2021 19:21:20 -0700 (PDT) Received: from ?IPv6:2601:647:4000:d7:76b9:3c77:17e3:3073? ([2601:647:4000:d7:76b9:3c77:17e3:3073]) by smtp.gmail.com with ESMTPSA id w74sm14613953pfc.173.2021.05.11.19.21.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 May 2021 19:21:18 -0700 (PDT) Subject: Re: [LSF/MM/BFP ATTEND] [LSF/MM/BFP TOPIC] Storage: Copy Offload To: 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" Cc: "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" References: From: Bart Van Assche Message-ID: <4b8985f1-8a94-d611-e9fb-1b5e32a19f1e@acm.org> Date: Tue, 11 May 2021 19:21:16 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 5/10/21 5:15 PM, Chaitanya Kulkarni wrote: > * What we will discuss in the proposed session ? > ----------------------------------------------------------------------- > > I'd like to propose a session to go over this topic to understand :- > > 1. What are the blockers for Copy Offload implementation ? > 2. Discussion about having a file system interface. > 3. Discussion about having right system call for user-space. > 4. What is the right way to move this work forward ? > 5. How can we help to contribute and move this work forward ? Are there any blockers left? My understanding is that what is needed is to implement what has been proposed recently (https://lore.kernel.org/linux-nvme/yq1blf3smcl.fsf@ca-mkp.ca.oracle.com/). Anyway, I'm interested to attend the conversation about this topic. Thanks, Bart. 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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 C339EC433B4 for ; Wed, 12 May 2021 02:21:48 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3BD6261132 for ; Wed, 12 May 2021 02:21:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3BD6261132 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=acm.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bmzbNzsLhpn08oJ3Odd7rT2BoCr3xGU8UMYU80laDkY=; b=VCuQMkrQvEyUJhJbq12ZsPkv5 qkL/Uy62geWaTzJm4W8WsXwx+AGyIUCiK1JVdmKRJ2q8Fzm99BNhdbA3lBNTYR7dLZ0ky5ut6dKg4 v0VYlUIwm/Yp9kpEeiYVwyKcg8A+aE8DOCwE5/fRHk3bhOmF3EWFpezCSVv4TAqMK0dqbbVDnL47q eIVB5RTuU8OESxP5DWT9r2DF5wFbJ0pNm40kBPat+Fn650wZBVqya4XwcRQ1AVp6oTyRT1g1RGTHJ 0OtbmQHY3MCywYySGhC2n8elLuammmux8fzbLVOZXxX8mGCB8kKarxh9dzlvYocd4Od0EaVrS9ZFO yeZzi8P+A==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lgeV7-001lr0-0Q; Wed, 12 May 2021 02:21:29 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lgeV3-001lqd-JK for linux-nvme@desiato.infradead.org; Wed, 12 May 2021 02:21:26 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To: Subject:Sender:Reply-To:Content-ID:Content-Description; bh=daaDmlZfNtYf87e9KKZ0tzPnbye9JR8o5YOaGDdi4mk=; b=0IvJoHZSclnBoXLKW0IU22e21F qdx3U/zdgiQR2F+g7HQ/YU29NKuzLFTQ8cOnrdYnAcHsdwGLna4xSSK9NOya7xbfF5STtPN64D+s3 UIjiHNzwPouHndOiqQvupZgR7R0XRFTWWdRjCkW3EttxckbEy4rDSxPX4+DRpDCDxSWPie/bSDhBC rpGMXrz/n5VGjxCadNQ8Far8ZtSryf/5kH5GMAIV2rY33K7r987GYViML9zxTKe2ybH34QFGPrSar QFXTGKURiMkN7QnNlqyb+lZ+21GYaLD1JGQ7UHI8wiuiqKQ/YqPsHDLaaZzw6dJGZUziEdWaoDQhS J9VBCnaQ==; Received: from mail-pf1-f171.google.com ([209.85.210.171]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lgeV0-00A381-Jx for linux-nvme@lists.infradead.org; Wed, 12 May 2021 02:21:24 +0000 Received: by mail-pf1-f171.google.com with SMTP id k19so17470564pfu.5 for ; Tue, 11 May 2021 19:21:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; 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=daaDmlZfNtYf87e9KKZ0tzPnbye9JR8o5YOaGDdi4mk=; b=nk/77c1D68HF3zft6uLkCGwnZjekI3DkqdW0We6lHxEoy7nKkl3haveNZjQ7eNaHrt naws6VFqTEEGf2fyK+flQ0/1s2EWlFryPIu8Olhk64hcOnFDf93dkuJ6N9A223m55Qrg rNvuSYWt3ZBMIfo8/8xu4xvG95eU/3JAH3Y9Z9g9bc1uP1hvVHWzd8IORKWD31cZUePb a6DGd6K7NXAyY8blqPfi4O5uHV7ruzLR6g3JRvfQOccGXQdVLoPT9nX9DkLi3dBStjs4 r7FiKy7bD9n1mrLFqQuSYk2YUSjotM9n2bPDqOsBFCETdhKpqU0mBhfh7WOgKD2aFWGn 32bg== X-Gm-Message-State: AOAM530Ux8/2sbun9JA8iJ1W+IdFlHGLz+cVEP0dYMZMxVi8YmhA/7AM +q7qd8J9iEUJq1glAnRhDEI= X-Google-Smtp-Source: ABdhPJxg29un7hemzeM5RTmLf4VW113rEN7QX/F07mMfJ5zwt/qmJ20P8JnH+74H64FqIu6d5/qcuA== X-Received: by 2002:aa7:8e85:0:b029:28f:2620:957e with SMTP id a5-20020aa78e850000b029028f2620957emr33862188pfr.40.1620786080715; Tue, 11 May 2021 19:21:20 -0700 (PDT) Received: from ?IPv6:2601:647:4000:d7:76b9:3c77:17e3:3073? ([2601:647:4000:d7:76b9:3c77:17e3:3073]) by smtp.gmail.com with ESMTPSA id w74sm14613953pfc.173.2021.05.11.19.21.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 May 2021 19:21:18 -0700 (PDT) Subject: Re: [LSF/MM/BFP ATTEND] [LSF/MM/BFP TOPIC] Storage: Copy Offload To: 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" Cc: "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" References: From: Bart Van Assche Message-ID: <4b8985f1-8a94-d611-e9fb-1b5e32a19f1e@acm.org> Date: Tue, 11 May 2021 19:21:16 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210511_192122_685293_5340C5DF X-CRM114-Status: GOOD ( 14.65 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On 5/10/21 5:15 PM, Chaitanya Kulkarni wrote: > * What we will discuss in the proposed session ? > ----------------------------------------------------------------------- > > I'd like to propose a session to go over this topic to understand :- > > 1. What are the blockers for Copy Offload implementation ? > 2. Discussion about having a file system interface. > 3. Discussion about having right system call for user-space. > 4. What is the right way to move this work forward ? > 5. How can we help to contribute and move this work forward ? Are there any blockers left? My understanding is that what is needed is to implement what has been proposed recently (https://lore.kernel.org/linux-nvme/yq1blf3smcl.fsf@ca-mkp.ca.oracle.com/). Anyway, I'm interested to attend the conversation about this topic. Thanks, Bart. _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme 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=-5.3 required=3.0 tests=BAYES_00, 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 C1C32C433ED for ; Wed, 12 May 2021 02:21:47 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 37B89611F1 for ; Wed, 12 May 2021 02:21:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 37B89611F1 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=acm.org Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=dm-devel-bounces@redhat.com 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-395-HTKK5NvKOcaDTSRiKPzudQ-1; Tue, 11 May 2021 22:21:42 -0400 X-MC-Unique: HTKK5NvKOcaDTSRiKPzudQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C6B38107ACCA; Wed, 12 May 2021 02:21:36 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EACC35D9C0; Wed, 12 May 2021 02:21:35 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id CDE8C5535C; Wed, 12 May 2021 02:21:33 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 14C2LU3U029822 for ; Tue, 11 May 2021 22:21:30 -0400 Received: by smtp.corp.redhat.com (Postfix) id 5661C1041AF4; Wed, 12 May 2021 02:21:30 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast06.extmail.prod.ext.rdu2.redhat.com [10.11.55.22]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 522651041AFA for ; Wed, 12 May 2021 02:21:26 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-2.mimecast.com [205.139.110.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B9305185A79C for ; Wed, 12 May 2021 02:21:26 +0000 (UTC) Received: from mail-pf1-f172.google.com (mail-pf1-f172.google.com [209.85.210.172]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-282-V7MakicgMb-7l5RK4l24wQ-1; Tue, 11 May 2021 22:21:22 -0400 X-MC-Unique: V7MakicgMb-7l5RK4l24wQ-1 Received: by mail-pf1-f172.google.com with SMTP id c13so4025551pfv.4; Tue, 11 May 2021 19:21:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; 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=daaDmlZfNtYf87e9KKZ0tzPnbye9JR8o5YOaGDdi4mk=; b=kbS9bPrU+UmrgN6D2Qg0dbXRpHWFaJwy6/DCrVRHDrCuF4otD5dgD/bv9rvr+9heOo 5sLlVzMHLLFENxsQhhVsfOPq6Snxpa+dA296VQnofoeSDns5phGv1rKXJKLzeS+omV/S Laygn79ioAvscYjdoMxsSBN+evsxscNBIv+2LK/QwdofrwpHy4bHyTv6+dDaK85ECjQr xILxWHE/B1JVeG6u/QqcJJWpjZlD1i6Q+y9hPgL5XmcAILEaVY5OC5LDWZW/7ADpPbM3 eeQHpHGNakbweuOYySvP227gfnBDkJ1l7IUxpdB8feIEOT8jr+x+L0J0KsR82HOr6YlI oMLQ== X-Gm-Message-State: AOAM531WNcMz//ZPfUjMLqpPdWMyp88HCRiHrJmVJh0gXHyQTMc93ukj KJJIZJIizR9/pUhDJ6Prkrg= X-Google-Smtp-Source: ABdhPJxg29un7hemzeM5RTmLf4VW113rEN7QX/F07mMfJ5zwt/qmJ20P8JnH+74H64FqIu6d5/qcuA== X-Received: by 2002:aa7:8e85:0:b029:28f:2620:957e with SMTP id a5-20020aa78e850000b029028f2620957emr33862188pfr.40.1620786080715; Tue, 11 May 2021 19:21:20 -0700 (PDT) Received: from ?IPv6:2601:647:4000:d7:76b9:3c77:17e3:3073? ([2601:647:4000:d7:76b9:3c77:17e3:3073]) by smtp.gmail.com with ESMTPSA id w74sm14613953pfc.173.2021.05.11.19.21.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 May 2021 19:21:18 -0700 (PDT) To: 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" References: From: Bart Van Assche Message-ID: <4b8985f1-8a94-d611-e9fb-1b5e32a19f1e@acm.org> Date: Tue, 11 May 2021 19:21:16 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-loop: dm-devel@redhat.com Cc: "axboe@kernel.dk" , "msnitzer@redhat.com" , "martin.petersen@oracle.com" , "osandov@fb.com" , "roland@purestorage.com" , "mpatocka@redhat.com" , "kbusch@kernel.org" , "rwheeler@redhat.com" , "hch@lst.de" , "Frederick.Knight@netapp.com" , "zach.brown@ni.com" Subject: Re: [dm-devel] [LSF/MM/BFP ATTEND] [LSF/MM/BFP TOPIC] Storage: Copy Offload X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On 5/10/21 5:15 PM, Chaitanya Kulkarni wrote: > * What we will discuss in the proposed session ? > ----------------------------------------------------------------------- > > I'd like to propose a session to go over this topic to understand :- > > 1. What are the blockers for Copy Offload implementation ? > 2. Discussion about having a file system interface. > 3. Discussion about having right system call for user-space. > 4. What is the right way to move this work forward ? > 5. How can we help to contribute and move this work forward ? Are there any blockers left? My understanding is that what is needed is to implement what has been proposed recently (https://lore.kernel.org/linux-nvme/yq1blf3smcl.fsf@ca-mkp.ca.oracle.com/). Anyway, I'm interested to attend the conversation about this topic. Thanks, Bart. -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel