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 2948CC433EF for ; Wed, 6 Oct 2021 17:49:07 +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 5A1EF610EA for ; Wed, 6 Oct 2021 17:49:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5A1EF610EA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=acm.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=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-473-D9FFRo1uN_Cwjy8QWCB5jQ-1; Wed, 06 Oct 2021 13:49:03 -0400 X-MC-Unique: D9FFRo1uN_Cwjy8QWCB5jQ-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 D8B3B18414A0; Wed, 6 Oct 2021 17:48:58 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6962F9AA2F; Wed, 6 Oct 2021 17:48:57 +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 E325E1806D01; Wed, 6 Oct 2021 17:48:53 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 196HXskB007117 for ; Wed, 6 Oct 2021 13:33:55 -0400 Received: by smtp.corp.redhat.com (Postfix) id C11322166B47; Wed, 6 Oct 2021 17:33:54 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast04.extmail.prod.ext.rdu2.redhat.com [10.11.55.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A26222167D65 for ; Wed, 6 Oct 2021 17:33:46 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) (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 94E661066564 for ; Wed, 6 Oct 2021 17:33:46 +0000 (UTC) Received: from mail-pj1-f46.google.com (mail-pj1-f46.google.com [209.85.216.46]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-441-ioCNDYBtNrS89qc-CP4fdg-1; Wed, 06 Oct 2021 13:33:37 -0400 X-MC-Unique: ioCNDYBtNrS89qc-CP4fdg-1 Received: by mail-pj1-f46.google.com with SMTP id k23-20020a17090a591700b001976d2db364so2941762pji.2; Wed, 06 Oct 2021 10:33:36 -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=GKiV3xQVDu3I7y6atlwgudxp7BUXKfNXNEQzca8HMEgRzUK5IlO49KMWsARJw8MmDW s562o1XyM8Grnt6pn/70s5RRrdfq138WyTkVOq2h1dVvCjNMjaMnCcTlGgUSonrP2DFP hHZDBY7+L6qYMd3hnNd122hBa9WDOVG472MaT5oC9+CYiMZfe/9u9AeMKjX2X21PSrTZ J1oK4VGiYyiIUmMIKMAWYSRsDgDgGqiuZl5H2slRxJMUJBtKC3hDsZmh8dTGLKEP0zi7 8vdri7BeVrHDYXJJcBAMMXsqgbiwjE7zkCBCx5oa0PX55zhR8p3Xn/XgUSqR6CD0SAeB nA2A== X-Gm-Message-State: AOAM531x8bKpFNTiGTdzf4s4U9NUUWSQulAan8QFnnSy+2ylH2NNYXNc gQrOSceVcCDSqZYD0WR2+5TCKV5Ter0= 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) To: =?UTF-8?Q?Javier_Gonz=c3=a1lez?= 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> 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 10.11.54.6 X-loop: dm-devel@redhat.com Cc: Vincent Fu , "linux-nvme@lists.infradead.org" , "dm-devel@redhat.com" , Adam Manzanares , "osandov@fb.com" , "msnitzer@redhat.com" , "linux-scsi@vger.kernel.org" , "hch@lst.de" , "roland@purestorage.com" , Nitesh Shetty , "zach.brown@ni.com" , SelvaKumar S , Chaitanya Kulkarni , "linux-block@vger.kernel.org" , "mpatocka@redhat.com" , "kbusch@kernel.org" , "Frederick.Knight@netapp.com" , "axboe@kernel.dk" , Kanchan Joshi , "martin.petersen@oracle.com" , Johannes Thumshirn , "lsf-pc@lists.linux-foundation.org" , "rwheeler@redhat.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 10.5.11.16 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" T24gMTAvNi8yMSAzOjA1IEFNLCBKYXZpZXIgR29uesOhbGV6IHdyb3RlOgo+IEkgYWdyZWUgdGhh dCB0aGUgdG9waWMgaXMgY29tcGxleC4gSG93ZXZlciwgd2UgaGF2ZSBub3QgYmVlbiBhYmxlIHRv Cj4gZmluZCBhIGNsZWFyIHBhdGggZm9yd2FyZCBpbiB0aGUgbWFpbGluZyBsaXN0LgoKSG1tIC4u LiByZWFsbHk/IEF0IGxlYXN0IE1hcnRpbiBQZXRlcnNlbiBhbmQgSSBjb25zaWRlciBkZXZpY2Ug bWFwcGVyIApzdXBwb3J0IGVzc2VudGlhbC4gSG93IGFib3V0IHN0YXJ0aW5nIGZyb20gTWlrdWxh cycgcGF0Y2ggc2VyaWVzIHRoYXQgCnN1cHBvcnRzIHRoZSBkZXZpY2UgbWFwcGVyPyBTZWUgYWxz byAKaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvYWxsL2FscGluZS5MUkguMi4wMi4yMTA4MTcxNjMw MTIwLjMwMzYzQGZpbGUwMS5pbnRyYW5ldC5wcm9kLmludC5yZHUyLnJlZGhhdC5jb20vCgo+IFdo YXQgZG8geW91IHRoaW5rIGFib3V0IGpvaW5pbmcgdGhlIGNhbGwgdG8gdGFsayB2ZXJ5IHNwZWNp ZmljIG5leHQKPiBzdGVwcyB0byBnZXQgYSBwYXRjaHNldCB0aGF0IHdlIGNhbiBzdGFydCByZXZp ZXdpbmcgaW4gZGV0YWlsLgoKSSBjYW4gZG8gdGhhdC4KClRoYW5rcywKCkJhcnQuCgotLQpkbS1k ZXZlbCBtYWlsaW5nIGxpc3QKZG0tZGV2ZWxAcmVkaGF0LmNvbQpodHRwczovL2xpc3RtYW4ucmVk aGF0LmNvbS9tYWlsbWFuL2xpc3RpbmZvL2RtLWRldmVs