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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 27653C3A5A2 for ; Fri, 23 Aug 2019 15:11:58 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 A53A520578 for ; Fri, 23 Aug 2019 15:11:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=virtuozzo.com header.i=@virtuozzo.com header.b="O/ZAEm0q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A53A520578 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57716 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i1BEK-00084w-HX for qemu-devel@archiver.kernel.org; Fri, 23 Aug 2019 11:11:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56450) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i1B8H-00014B-4e for qemu-devel@nongnu.org; Fri, 23 Aug 2019 11:05:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i1B8G-0006p5-AT for qemu-devel@nongnu.org; Fri, 23 Aug 2019 11:05:41 -0400 Received: from mail-he1eur04on070e.outbound.protection.outlook.com ([2a01:111:f400:fe0d::70e]:14260 helo=EUR04-HE1-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i1B8C-0006mR-LF; Fri, 23 Aug 2019 11:05:37 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Thx4tbBY2iH1vzkyh7yQgF1qFpaP6gZadxmlWqeP7KbZuS+eIFFArocsu1EQMTnfagbmYTulVv6LPZTV5fp/ubvBICdTOhjJiuEhHzZ1RfzA+5QdzBCoRcqCszw7xmOxClEI+8pnNteHa1lRl9qa8ChP6ajAElvtJBEgn/9K9P1JRwJZMJMedUcuydPBfEyGAoj4z2vxlzEyJfidegLNj4RN3Gdtb6TGbguJDvpIPNJjgtplDkiuwnLP0jLE/dvfOzrqsXKnRMDFdz0G2iT4ObLQYwW5Ei3Pl4nnPvlUVgMgejWhfLCPK7ipdroTVYnyAFEgAwXYfZHd8erpEiRG3Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Fs10yTQqe3mVFz/YRDYXZr7vs+j1B4zPDoxF8K41b+A=; b=XEn/uyoDxenmkdHTgEBGyYbvO4SkxeAYSflDgjuSy/HBwCkZR0kXeFy3b5EOsK6YIwhQc1kE1bEL8hqCAVjVYgf3AUfRMyqzAdCPYuCA/F1AW9pbof+oJI4iYsOjOCWjsy2zBCyJ1dJjFBCJO+WYe0bFLOMjR0tCmendLnCcJUyI+LFvsxdFNRnZ/bTqVj6epuydFG418D90W7xaM+Zo7IN6j2MYxUU7d+g+9Egf/NgSY+RG4+toga0WLkaUjpDoDNoVu+xEyUCN3pR5S6xb/BOqavtTwJ+nad8Moa8rkjEVa9aLDkSPJxaQhwHAaMOf+35ZeB3oitQTRn1aVsResw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=virtuozzo.com; dmarc=pass action=none header.from=virtuozzo.com; dkim=pass header.d=virtuozzo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=virtuozzo.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Fs10yTQqe3mVFz/YRDYXZr7vs+j1B4zPDoxF8K41b+A=; b=O/ZAEm0qzde3vaufdSHtuRZoQTxuyfzStk0tQHnKmixrNK7Fhmbx5nxSi66fByJlNUPS/22162FMjN8xAGdUCXAo2XwNPq7c+1P/CW5uXLvCHi13q315Zk3iVnor0w08RmmfRdm8GPas2q/7n7bg2YqEGT34G17dGW1R+8AG+to= Received: from DB8PR08MB5498.eurprd08.prod.outlook.com (52.133.242.216) by DB8PR08MB5033.eurprd08.prod.outlook.com (10.255.17.213) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2178.18; Fri, 23 Aug 2019 15:05:32 +0000 Received: from DB8PR08MB5498.eurprd08.prod.outlook.com ([fe80::617b:d2c2:11e9:4604]) by DB8PR08MB5498.eurprd08.prod.outlook.com ([fe80::617b:d2c2:11e9:4604%3]) with mapi id 15.20.2178.020; Fri, 23 Aug 2019 15:05:32 +0000 From: Vladimir Sementsov-Ogievskiy To: Eric Blake , QEMU , "qemu-block@nongnu.org" , "nbd@other.debian.org" , "libguestfs@redhat.com" Thread-Topic: [Qemu-devel] cross-project patches: Add NBD Fast Zero support Thread-Index: AQHVWb+6QvwHE28+MUauWUhIkXuSiKcI1OeA Date: Fri, 23 Aug 2019 15:05:32 +0000 Message-ID: <89042b51-42c8-27b3-f742-894c0a62119a@virtuozzo.com> References: <25ead363-4f37-5450-b985-1876374e314d@redhat.com> In-Reply-To: <25ead363-4f37-5450-b985-1876374e314d@redhat.com> Accept-Language: ru-RU, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HE1PR0301CA0022.eurprd03.prod.outlook.com (2603:10a6:3:76::32) To DB8PR08MB5498.eurprd08.prod.outlook.com (2603:10a6:10:11c::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=vsementsov@virtuozzo.com; x-ms-exchange-messagesentrepresentingtype: 1 x-tagtoolbar-keys: D20190823180529760 x-originating-ip: [185.231.240.5] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: fe319ae2-526c-43ed-05ec-08d727db57bf x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600166)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:DB8PR08MB5033; x-ms-traffictypediagnostic: DB8PR08MB5033: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6108; x-forefront-prvs: 0138CD935C x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(346002)(376002)(366004)(396003)(136003)(39850400004)(189003)(199004)(66946007)(386003)(31686004)(2616005)(53936002)(446003)(6436002)(6116002)(3846002)(11346002)(25786009)(102836004)(4744005)(7736002)(6506007)(478600001)(66446008)(64756008)(316002)(229853002)(66476007)(66556008)(66066001)(6486002)(2906002)(6512007)(486006)(26005)(36756003)(186003)(476003)(6246003)(2201001)(31696002)(305945005)(256004)(14454004)(99286004)(86362001)(81156014)(8936002)(71200400001)(71190400001)(8676002)(52116002)(81166006)(5660300002)(76176011)(110136005)(2501003); DIR:OUT; SFP:1102; SCL:1; SRVR:DB8PR08MB5033; H:DB8PR08MB5498.eurprd08.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: virtuozzo.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: v/ZpbUNUvyifNLwNGOWgU1eNil59HbchHxEqwsQiFwlNf1QSv7pPHUiBl/Ap1WHOdO7eYuLHnlYbRf7o9SDQxAblwoaCYG1lgcnjJUCYMLsb8FP8aABKkjRAlY550U2BLYcj/jmpFKk3U7kQSQklulIWmQWfWubeX7LZlyuS+NzVgDh8x7adaD0g7ZSRIcqg8//SPWAp1Mo7vfpVAYN1BbNN94xlpGHYTb74FxUbWiqrqJfrdo9u6rlRWA3SvEBhlvY0yWhq3eOemLOd9cFavwPAhR/eJv5DFvmc2q8jO9WNMCS1KEq3DgQh3KIROoqFizaN+AA6hGekk9Hqs84niAr5WmIqSg6+iKXIEQoUnhE9Jgj2Ln3wgOahKUL8fH+lLwmbIEJEUmIkLtk6ToalpFfjmYctqjZ79Nr9FMW16NM= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="utf-8" Content-ID: <3C929FB1C131FE47A0A60CA5E59504B9@eurprd08.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-Network-Message-Id: fe319ae2-526c-43ed-05ec-08d727db57bf X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Aug 2019 15:05:32.1583 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: TF9bIycHjViJwrYkO/hDesB3dvQBpHD1Iv25U/xBQzLEybN02tVUIBLMFzl+cFc6Q+wWhjeGl+UXyFqcaqeraWsr7U6tSPX3V+PCAdEs6IU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR08MB5033 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 2a01:111:f400:fe0d::70e Subject: Re: [Qemu-devel] cross-project patches: Add NBD Fast Zero support X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" MjMuMDguMjAxOSAxNzozMCwgRXJpYyBCbGFrZSB3cm90ZToNCj4gVGhpcyBpcyBhIGNvdmVyIGxl dHRlciB0byBhIHNlcmllcyBvZiBwYXRjaGVzIGJlaW5nIHByb3Bvc2VkIGluIHRhbmRlbQ0KPiB0 byBmb3VyIGRpZmZlcmVudCBwcm9qZWN0czoNCg0KSSBhbHdheXMga25ldyB5b3Ugd2VyZSBncmVh dCwgYnV0IHRoYXQgYnJlYWtzIGFsbCB0aGUgcmVjb3Jkcw0KDQo+IC0gbmJkOiBEb2N1bWVudCBh IG5ldyBOQkRfQ01EX0ZMQUdfRkFTVF9aRVJPIGNvbW1hbmQgZmxhZw0KPiAtIHFlbXU6IEltcGxl bWVudCB0aGUgZmxhZyBmb3IgYm90aCBjbGllbnRzIGFuZCBzZXJ2ZXINCj4gLSBsaWJuYmQ6IElt cGxlbWVudCB0aGUgZmxhZyBmb3IgY2xpZW50cw0KPiAtIG5iZGtpdDogSW1wbGVtZW50IHRoZSBm bGFnIGZvciBzZXJ2ZXJzLCBpbmNsdWRpbmcgdGhlIG5iZCBwYXNzdGhyb3VnaA0KPiBjbGllbnQN Cj4gDQoNCi0tIA0KQmVzdCByZWdhcmRzLA0KVmxhZGltaXINCg==