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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,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 8CFABC4361B for ; Mon, 7 Dec 2020 14:56:38 +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-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E8CED23601 for ; Mon, 7 Dec 2020 14:56:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E8CED23601 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de 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-419-3NHAEJeqN0izVlmrGwWEWQ-1; Mon, 07 Dec 2020 09:56:34 -0500 X-MC-Unique: 3NHAEJeqN0izVlmrGwWEWQ-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 157EA809DC9; Mon, 7 Dec 2020 14:56:29 +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 85DF95DA30; Mon, 7 Dec 2020 14:56:27 +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 A204E180954D; Mon, 7 Dec 2020 14:56:25 +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 0B7EuNRT019759 for ; Mon, 7 Dec 2020 09:56:23 -0500 Received: by smtp.corp.redhat.com (Postfix) id 8B5C21111436; Mon, 7 Dec 2020 14:56:23 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast05.extmail.prod.ext.rdu2.redhat.com [10.11.55.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 86D651111435 for ; Mon, 7 Dec 2020 14:56:21 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 3B535802A5D for ; Mon, 7 Dec 2020 14:56:21 +0000 (UTC) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-312-8jGXt3JOMkClI2LTDc5hrg-1; Mon, 07 Dec 2020 09:56:19 -0500 X-MC-Unique: 8jGXt3JOMkClI2LTDc5hrg-1 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 7663EAB63; Mon, 7 Dec 2020 14:56:17 +0000 (UTC) To: Christoph Hellwig , SelvaKumar S References: <20201204094659.12732-1-selvakuma.s1@samsung.com> <20201207141123.GC31159@lst.de> From: Hannes Reinecke Message-ID: <01fe46ac-16a5-d4db-f23d-07a03d3935f3@suse.de> Date: Mon, 7 Dec 2020 15:56:15 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <20201207141123.GC31159@lst.de> 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-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 0B7EuNRT019759 X-loop: dm-devel@redhat.com Cc: axboe@kernel.dk, damien.lemoal@wdc.com, sagi@grimberg.me, snitzer@redhat.com, selvajove@gmail.com, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, dm-devel@redhat.com, Mikulas Patocka , joshi.k@samsung.com, "Martin K. Petersen" , kbusch@kernel.org, javier.gonz@samsung.com, linux-scsi@vger.kernel.org, nj.shetty@samsung.com, Bart Van Assche Subject: Re: [dm-devel] [RFC PATCH v2 0/2] add simple copy support 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" T24gMTIvNy8yMCAzOjExIFBNLCBDaHJpc3RvcGggSGVsbHdpZyB3cm90ZToKPiBTbywgSSdtIHJl YWxseSB3b3JyaWVkIGFib3V0Ogo+IAo+ICAgYSkgYSBnb29kIHVzZSBjYXNlLiAgR0MgaW4gZjJm cyBvciBidHJmcyBzZWVtIGxpa2UgZ29vZCB1c2UgY2FzZXMsIGFzCj4gICAgICBkb2VzIGFjY2Vs YXRpbmcgZG0ta2NvcHlkLiAgSSBhZ3JlZSB3aXRoIERhbWllbiB0aGF0IGxpZnRpbmcgZG0ta2Nv cHlkCj4gICAgICB0byBjb21tb24gY29kZSB3b3VsZCBhbHNvIGJlIHJlYWxseSBuaWNlLiAgSSdt IG5vdCAxMDAlIHN1cmUgaXQgc2hvdWxkCj4gICAgICBiZSBhIHJlcXVpcmVtZW50LCBidXQgaXQg c3VyZSB3b3VsZCBiZSBuaWNlIHRvIGhhdmUKPiAgICAgIEkgZG9uJ3QgdGhpbmsganVzdCBhZGRp bmcgYW4gaW9jdGwgaXMgZW5vdWdoIG9mIGEgdXNlIGNhc2UgZm9yIGNvbXBsZXgKPiAgICAgIGtl cm5lbCBpbmZyYXN0cnVjdHVyZS4KPiAgIGIpIFdlIGhhZCBhIGJ1bmNoIG9mIGRpZmZlcmVudCBh dHRlbXB0cyBhdCBTQ1NJIFhDT1BZIHN1cHBvcnQgZm9ybSBJSVJDCj4gICAgICBNYXJ0aW4sIEJh cnQgYW5kIE1pa3VsYXMuICBJIHRoaW5rIHdlIG5lZWQgdG8gcHVsbCB0aGVtIGludG8gdGhpcwo+ ICAgICAgZGlzY3Vzc2lvbiwgYW5kIG1ha2Ugc3VyZSB3aGF0ZXZlciB3ZSBkbyBjb3ZlcnMgdGhl IFNDU0kgbmVlZHMuCj4gCkFuZCB3ZSBzaG91bGRuJ3QgZm9yZ2V0IHRoYXQgdGhlIG1haW4gaXNz dWUgd2hpY2gga2lsbGVkIGFsbCBwcmV2aW91cyAKaW1wbGVtZW50YXRpb25zIHdhcyBhIG1pc3Np bmcgUW9TIGd1YXJhbnRlZS4KSXQncyBuaWNlIHRvIGhhdmUgc2ltcGx5IGNvcHksIGJ1dCBpZiB0 aGUgaW1wbGVtZW50YXRpb24gaXMgX3Nsb3dlcl8gCnRoYW4gZG9pbmcgaXQgYnkgaGFuZCBmcm9t IHRoZSBPUyB0aGVyZSBpcyB2ZXJ5IGxpdHRsZSBwb2ludCBpbiBldmVuIAphdHRlbXB0aW5nIHRv IGRvIHNvLgpJIGNhbid0IHNlZSBhbnkgcHJvdmlzaW9ucyBmb3IgdGhhdCBpbiB0aGUgVFBBUiwg bGVhZGluZyBtZSB0byB0aGUgCmFzc3VtcHRpb24gdGhhdCBOVk1lIHNpbXBsZSBjb3B5IHdpbGwg c3VmZmVyIGZyb20gdGhlIHNhbWUgaXNzdWUuCgpTbyBpZiB3ZSBjYW4ndCBhZGRyZXNzIHRoaXMg SSBndWVzcyB0aGlzIGF0dGVtcHQgd2lsbCBmYWlsLCB0b28uCgpDaGVlcnMsCgpIYW5uZXMKLS0g CkRyLiBIYW5uZXMgUmVpbmVja2UgICAgICAgICAgICAgICAgS2VybmVsIFN0b3JhZ2UgQXJjaGl0 ZWN0CmhhcmVAc3VzZS5kZSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICs0OSA5MTEgNzQw NTMgNjg4ClNVU0UgU29mdHdhcmUgU29sdXRpb25zIEdtYkgsIE1heGZlbGRzdHIuIDUsIDkwNDA5 IE7DvHJuYmVyZwpIUkIgMzY4MDkgKEFHIE7DvHJuYmVyZyksIEdlc2Now6RmdHNmw7xocmVyOiBG ZWxpeCBJbWVuZMO2cmZmZXIKCgotLQpkbS1kZXZlbCBtYWlsaW5nIGxpc3QKZG0tZGV2ZWxAcmVk aGF0LmNvbQpodHRwczovL3d3dy5yZWRoYXQuY29tL21haWxtYW4vbGlzdGluZm8vZG0tZGV2ZWw=