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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_MED autolearn=ham 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 28BD0C3279B for ; Tue, 10 Jul 2018 16:47:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B7AC4208E3 for ; Tue, 10 Jul 2018 16:47:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="OqZd4ne0"; dkim=pass (1024-bit key) header.d=sharedspace.onmicrosoft.com header.i=@sharedspace.onmicrosoft.com header.b="K28f/N+T" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B7AC4208E3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=wdc.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934655AbeGJQri (ORCPT ); Tue, 10 Jul 2018 12:47:38 -0400 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:24242 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933229AbeGJQrg (ORCPT ); Tue, 10 Jul 2018 12:47:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1531241256; x=1562777256; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=/3e3fRGpqTanQ9CUQK39oD7OqDSIIilmbCtlppwX1zQ=; b=OqZd4ne04LblHPpGxeAcq4Ok9x1JbChvOAsRdJsRn74iySJf/UTpvYz9 B86pd3ozXEBefbENpl+8Xb91w1o7Gc4oF2sHUkxwn+0rHuBhqj/POpIu6 s2Qq/E3Qu35LI/3+r3WUTDJPHdfMyqPongGz29soEuBnGzEPIUOuFIi6J m3WnWu6ORXLjhEeJayceIopxttAU5dwZQY0AyPHdRh8WuScbhiDG/1nTo 10eQDwQVYpxsVQTD6Xj1pANe6+h+l4vzre8tOygAe2zPs3JVHiBhnRKej fV2L9TxR7bNSc1oEAbEfKupcVJbKNhekuQsgJHU1bNWnMA3ECbXEC6cLe w==; X-IronPort-AV: E=Sophos;i="5.51,335,1526313600"; d="scan'208";a="86664137" Received: from mail-co1nam04lp0056.outbound.protection.outlook.com (HELO NAM04-CO1-obe.outbound.protection.outlook.com) ([216.32.181.56]) by ob1.hgst.iphmx.com with ESMTP; 11 Jul 2018 00:47:35 +0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector1-wdc-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=/3e3fRGpqTanQ9CUQK39oD7OqDSIIilmbCtlppwX1zQ=; b=K28f/N+TmFPiZFIJUq4y6yRWOagwNkcUQMooBb/HIOnOBJ1g9UkNBI6xlKLdX9itgaKvYOmQ2ueI9g1X3ZjmQiGnAymQW9WUgRmtGxV6D21ZY8T98Yh1aIVCc3ibRNcZ+IMXaiwGgR3zKm/+ZcfuEh/giGwNb3XOW7W5JdAgJgU= Received: from MWHPR04MB1198.namprd04.prod.outlook.com (10.173.48.151) by MWHPR04MB0305.namprd04.prod.outlook.com (10.169.202.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.930.21; Tue, 10 Jul 2018 16:47:33 +0000 Received: from MWHPR04MB1198.namprd04.prod.outlook.com ([fe80::a134:ec95:a6c0:7c44]) by MWHPR04MB1198.namprd04.prod.outlook.com ([fe80::a134:ec95:a6c0:7c44%4]) with mapi id 15.20.0930.022; Tue, 10 Jul 2018 16:47:33 +0000 From: Bart Van Assche To: "mb@lightnvm.io" , "axboe@kernel.dk" , "loberman@redhat.com" CC: "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , Damien Le Moal Subject: Re: [PATCH 0/2] null_blk: zone support Thread-Topic: [PATCH 0/2] null_blk: zone support Thread-Index: AQHUFVBFT/qkypCZAUO1k/LTlwEax6SCd5QAgAQSDYCAAJEkAIAAfhCAgAD2KoCAACHDgA== Date: Tue, 10 Jul 2018 16:47:32 +0000 Message-ID: References: <20180706173839.28355-1-mb@lightnvm.io> <1530899118.31977.1.camel@redhat.com> <296d2d14-0bf6-e0a2-84dc-7d6e819625c1@lightnvm.io> <4421a151-85d9-52e4-2233-03ed7f17528a@kernel.dk> <8d8ae6c620217db92b95b6561345d7bdf7c7cdfa.camel@wdc.com> <229911cb-7eb1-1729-46f1-35aba81d98d1@kernel.dk> In-Reply-To: <229911cb-7eb1-1729-46f1-35aba81d98d1@kernel.dk> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Bart.VanAssche@wdc.com; x-originating-ip: [199.255.44.174] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MWHPR04MB0305;7:6/Z71hftFtKqOr4QvbFMH4SoQGMWYxbmHDCF/YF7OeuLPlj/aPq2ENksGW58Izm9tYdM6AnUhu6O23R/qE/hHUElISOX63dV5ZMZqEKfuyGw+OkobqeurWc2MecPD5KIsozeae54M4k288eFJV6ou90mHe5tzH+YWa8Dc67/Pyaz2huH4Y24D1hMn5IbB7gbY4seibjV0FJUpOoLybO7J1ZgcJH8RrzJ/9fOmU5t4vIwRZLMtsoEYhHV65bEKaq2;20:QHeZBLrxBjlngY09417yHOdslXC28EV5P50ji33dzpCuZv3guPbv84tO+I5C1S3jk3fMnR8JbkZIgUiNm0ye7Y9Y4Q6k5L9Aowbfw+ykmhkz4I/RM+wbrVRSGDzkDgpfDihzkML6Uzv8kBz5FKcZc1gT9V8mE5MHFnExC7kTe5o= x-ms-exchange-antispam-srfa-diagnostics: SOS;SOR; x-ms-office365-filtering-correlation-id: d4018a42-c4b4-4770-e817-08d5e684d546 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989117)(5600053)(711020)(4534165)(4627221)(201703031133081)(201702281549075)(8990107)(48565401081)(2017052603328)(7153060)(7193020);SRVR:MWHPR04MB0305; x-ms-traffictypediagnostic: MWHPR04MB0305: wdcipoutbound: EOP-TRUE x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(17755550239193); x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040522)(2401047)(8121501046)(5005006)(93006095)(93001095)(10201501046)(3002001)(3231311)(944501410)(52105095)(6055026)(149027)(150027)(6041310)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123562045)(20161123558120)(20161123564045)(6072148)(201708071742011)(7699016);SRVR:MWHPR04MB0305;BCL:0;PCL:0;RULEID:;SRVR:MWHPR04MB0305; x-forefront-prvs: 0729050452 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(376002)(366004)(346002)(396003)(136003)(39860400002)(189003)(199004)(105586002)(106356001)(93886005)(478600001)(6436002)(2900100001)(6486002)(72206003)(229853002)(6512007)(118296001)(2501003)(5250100002)(97736004)(36756003)(66066001)(3846002)(6116002)(68736007)(8936002)(25786009)(6506007)(5660300001)(2906002)(76176011)(99286004)(11346002)(2616005)(54906003)(446003)(86362001)(486006)(14444005)(2201001)(14454004)(476003)(53546011)(256004)(8676002)(4326008)(81156014)(53936002)(316002)(110136005)(102836004)(7736002)(186003)(26005)(305945005)(81166006)(6246003);DIR:OUT;SFP:1102;SCL:1;SRVR:MWHPR04MB0305;H:MWHPR04MB1198.namprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; x-microsoft-antispam-message-info: n1Vh7kB74so2+8rNt2/wxwsA1W0UDqysj5oXd9jclCTvjfhJKY9YnromhDw/pn4BskdTuGx9dE9rchEGurWfokbns/wBAMpFVuN2M/fm2ZzfbKrz33nPQxu9KYcsJtyFifU0VaQ9p/JuD7ZCo0tRFgc34Xb3lEQCNyMoD4GBYJIs/5TlCDhwDyxkLtEi0pwCVZg8AspfHLYi21O/CiNJYjlCI0aNGuzdLyLOFJpcFhcF6SnJmD3mok41IuuuRBVekRs6HdDzAZ/2kya18fqh+zAPIw8j1rTnY65oOw/cRuexetEb6jfHraT6cwedw2HLRjpzfliKjzqpYfmi9+KyJaJdD4YAPPo56KGdds4jiN8= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: d4018a42-c4b4-4770-e817-08d5e684d546 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Jul 2018 16:47:32.8656 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR04MB0305 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVHVlLCAyMDE4LTA3LTEwIGF0IDA4OjQ2IC0wNjAwLCBKZW5zIEF4Ym9lIHdyb3RlOg0KPiBP biA3LzkvMTggNjowNSBQTSwgQmFydCBWYW4gQXNzY2hlIHdyb3RlOg0KPiA+IE9uIE1vbiwgMjAx OC0wNy0wOSBhdCAxMDozNCAtMDYwMCwgSmVucyBBeGJvZSB3cm90ZToNCj4gPiA+IEluIHRoZSBz cGlyaXQgb2YgbWFraW5nIHNvbWUgcHJvZ3Jlc3Mgb24gdGhpcywgSSBqdXN0IGRvbid0IGxpa2Ug aG93DQo+ID4gPiBpdCdzIGRvbmUuIEZvciBleGFtcGxlLCBpdCBzaG91bGQgbm90IGJlIG5lY2Vz c2FyeSB0byBhZGp1c3Qgd2hhdA0KPiA+ID4gY29tZXMgb3V0IG9mIHRoZSBibG9jayBnZW5lcmF0 b3IsIGluc3RlYWQgdGhlIGJsb2NrIGdlbmVyYXRvciBzaG91bGQNCj4gPiA+IGJlIHRvbGQgdG8g ZG8gd2hhdCB3ZSBuZWVkIG9uIHpiYy4gVGhpcyBpcyBhIGtleSBjb25jZXB0LiBUaGUgd29ya2xv YWQNCj4gPiA+IHNob3VsZCBiZSBkZWZpbmVkIGFzIHN1Y2ggdGhhdCBpdCB3b3JrcyBmb3Igem9u ZWQgZGV2aWNlcy4NCj4gPiANCj4gPiBIb3cgd291bGQgeW91IGxpa2UgdG8gc2VlIGJsb2NrIGdl bmVyYXRpb24gd29yaz8gSSBkb24ndCBzZWUgYW4NCj4gPiBhbHRlcm5hdGl2ZSBmb3IgcmFuZG9t IEkvTyBvdGhlciBzdGFydGluZyBmcm9tIHRoZSBvdXRwdXQgb2YgYSByYW5kb20NCj4gPiBnZW5l cmF0b3IgYW5kIHRyYW5zbGF0aW5nIHRoYXQgb3V0cHV0IGludG8gc29tZXRoaW5nIHRoYXQgaXMN Cj4gPiBhcHByb3ByaWF0ZSBmb3IgYSB6b25lZCBibG9jayBkZXZpY2UuIFJhbmRvbSByZWFkcyBt dXN0IGhhcHBlbiBiZWxvdw0KPiA+IHRoZSB6b25lIHBvaW50ZXIgaWYgZmlvIGlzIGNvbmZpZ3Vy ZWQgdG8gcmVhZCBiZWxvdyB0aGUgem9uZSBwb2ludGVyLg0KPiA+IFJhbmRvbSB3cml0ZXMgbXVz dCBoYXBwZW4gYXQgdGhlIHdyaXRlIHBvaW50ZXIuIFRoZSBvbmx5IHdheSBJIHNlZSB0bw0KPiA+ IGltcGxlbWVudCBzdWNoIGFuIEkvTyBwYXR0ZXJuIGlzIHRvIHN0YXJ0IGZyb20gdGhlIG91dHB1 dCBvZiBhIHJhbmRvbQ0KPiA+IGdlbmVyYXRvciBhbmQgdG8gYWRqdXN0IHRoZSBvdXRwdXQgb2Yg dGhhdCByYW5kb20gZ2VuZXJhdG9yLiBIb3dldmVyLA0KPiA+IEkgZG9uJ3QgaGF2ZSBhIHN0cm9u ZyBvcGluaW9uIHdoZXRoZXIgYWRqdXN0aW5nIHRoZSBvdXRwdXQgb2YgYSByYW5kb20NCj4gPiBn ZW5lcmF0b3Igc2hvdWxkIGhhcHBlbiBieSB0aGUgY2FsbGVyIG9mIGdldF9uZXh0X2J1Zmxlbigp IG9yIGluc2lkZQ0KPiA+IGdldF9uZXh0X2J1ZmxlbigpLiBPciBpcyB5b3VyIGNvbmNlcm4gcGVy aGFwcyB0aGF0IHRoZSBjdXJyZW50DQo+ID4gYXBwcm9hY2ggaW50ZXJmZXJlcyB3aXRoIGZpbyBq b2Igb3B0aW9ucyBsaWtlIGJzX3VuYWxpZ25lZD8NCj4gDQo+IFRoZSBtYWluIGlzc3VlIEkgaGF2 ZSB3aXRoIHRoYXQgYXBwcm9hY2ggaXMgdGhhdCB0aGUgY29yZSBvZiBmaW8gaXMNCj4gZ2VuZXJh dGluZyB0aGUgSU8gcGF0dGVybnMsIGFuZCB0aGVuIHlvdSBhcmUganVzdCBjaGFuZ2luZyB0aGVt IGFzIHlvdQ0KPiBzZWUgZml0LiBUaGlzIG1lYW5zIHRoYXQgdGhlIHdvcmtsb2FkIGRlZmluaXRp b24gYW5kIHRoZSByZXN1bHRpbmcgSU8NCj4gb3BlcmF0aW9ucyBhcmUgbm8gbG9uZ2VyIG1hdGNo ZWQgdXAsIHNpbmNlIHRoZXkgbm93IGFsc28gZGVwZW5kIG9uIHdoYXQNCj4geW91IGFyZSBydW5u aW5nIG9uLiBJZiBJIHRha2Ugb25lIHdvcmtsb2FkIGFuZCBydW4gaXQgb24gYSB6b25lZCBkcml2 ZSwNCj4gYW5kIHRoZW4gcnVuIGl0IG9uIGEgbm9uLXpvbmVkIGRyaXZlLCBJIGNhbid0IGNvbXBh cmUgdGhlIHJlc3VsdHMgYXQNCj4gYWxsLiBUaGlzIGlzIGEgc2hvd3N0b3BwZXIuDQo+IA0KPiBU aGVyZSBzaG91bGQgYmUgbm8gYWRqdXN0aW5nIG9mIHRoZSBvdXRwdXQsIHJhdGhlciBpdCBzaG91 bGQgYmUgcG9zc2libGUNCj4gdG8gd3JpdGUgem9uZWQgZnJpZW5kbHkgam9iIGRlZmluaXRpb25z LiBJdCBzaG91bGQgYmUgcG9zc2libGUgdG8gcnVuDQo+IHRoZSBzYW1lIGpvYiBvbiBhIG5vbi16 b25lZCBkcml2ZSwgYW5kIHZpY2UgdmVyc2EsIGFuZCB0aGUgcmVzdWx0aW5nIElPDQo+IHBhdHRl cm5zIG11c3QgYmUgdGhlIHNhbWUuDQo+IA0KPiBGaW8gYWxyZWFkeSBoYXMgc29tZSBub3Rpb24g b2Ygem9uZXMuIE1heWJlIHRoYXQgY291bGQgYmUgZXh0ZW5kZWQgdG8NCj4gaGFyZCB6b25lcywg YW5kIHNvbWUgY29udHJvbCBvZiBvcGVuIHpvbmVzLCBhbmQgcGF0dGVybnMgd2l0aGluIHRob3Nl DQo+IHpvbmVzPw0KDQpIZWxsbyBKZW5zLA0KDQpIb3cgYWJvdXQgYWRkaW5nIGEgam9iIG9wdGlv biB0aGF0IG1ha2VzIGl0IHBvc3NpYmxlIHRvIHVzZSB0aGUgem9uZWQNCmJsb2NrIGRldmljZSAo WkJEKSBJL08gcGF0dGVybiBvbiBub24tWkJEIGRldmljZXMsIHJlcXVpcmluZyB0aGF0IHRoZQ0K em9uZSBzaXplIGlzIHNldCBleHBsaWNpdGx5IGZvciBub24tWkJEIGRldmljZXMgYW5kIG1haW50 YWluaW5nIGEgd3JpdGUNCnBvaW50ZXIgbm90IG9ubHkgd2hlbiBwZXJmb3JtaW5nIEkvTyB0byBh IFpCRCBkZXZpY2UgYnV0IGFsc28gaWYgYQ0KWkJELXN0eWxlIEkvTyBwYXR0ZXJuIGlzIGFwcGxp ZWQgdG8gYSBub24tWkJEIGRpc2s/IFRoaXMgc2hvdWxkIGFsbG93IHRvDQphcHBseSBleGFjdGx5 IHRoZSBzYW1lIHdvcmtsb2FkIHRvIGEgbm9uLVpCRCBkaXNrIGFzIHRvIGEgWkJEIGRpc2suDQoN CldoYXQgSSBkZXJpdmVkIGZyb20gdGhlIGZpbyBzb3VyY2UgY29kZSBpcyBhcyBmb2xsb3dzIChw bGVhc2UgY29ycmVjdCBtZQ0KaWYgSSBnb3QgYW55dGhpbmcgd3JvbmcpOg0KKiBUaGUgcHVycG9z ZSBvZiB0aGUgem9uZXNpemUsIHpvbmVyYW5nZSBhbmQgem9uZXNraXAgam9iIG9wdGlvbnMgaXMg dG8NCiAgbGltaXQgdGhlIEkvTyByYW5nZSB0byBhIHNpbmdsZSB6b25lIHdpdGggc2l6ZSAiem9u ZXNpemUiLiBUaGUgSS9PDQogIHBhdHRlcm4gZm9yIHpvbmVkIGJsb2NrIGRldmljZXMgaXMgZGlm ZmVyZW50OiBJL08gaGFwcGVucyBpbiBtdWx0aXBsZQ0KICB6b25lcyBzaW11bHRhbmVvdXNseS4g VGhlIG51bWJlciBvZiB6b25lcyB0byB3aGljaCBJL08gaGFwcGVucyBpcw0KICBjYWxsZWQgdGhl IG51bWJlciBvZiBvcGVuIHpvbmVzLg0KKiBUaGUgcHVycG9zZSBvZiB0aGUgcmFuZG9tX2Rpc3Ry aWJ1dGlvbj16b25lZHtfYWJzfSBqb2Igb3B0aW9uIGlzIHRvDQogIGFsbG93IHRoZSB1c2VyIHRv IHNrZXcgYSB1bmlmb3JtIHJhbmRvbSBkaXN0cmlidXRpb24uIFRoaXMgaXMgYW5vdGhlcg0KICB3 b3JrbG9hZCBwYXR0ZXJuIHRoYW4gdGhlIHR5cGljYWwgcGF0dGVybiBmb3IgWkJEIGRyaXZlcy4N Cg0KVGhhbmtzLA0KDQpCYXJ0Lg0KDQoNCg0KDQoNCg==