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Petersen" CC: Jens Axboe , "linux-fsdevel @ vger . kernel . org" , "linux-scsi @ vger . kernel . org" , "hch@infradead.org" , linux-block , Keith Busch , Damien Le Moal Subject: Re: [PATCH v9 00/11] Introduce Zone Append for writing to zoned block devices Thread-Topic: [PATCH v9 00/11] Introduce Zone Append for writing to zoned block devices Thread-Index: AQHWHUo+RfsAEdEH40mMdnfna9EXAQ== Date: Tue, 5 May 2020 19:01:28 +0000 Message-ID: References: <20200428104605.8143-1-johannes.thumshirn@wdc.com> <158821297686.28621.178479649242411251.b4-ty@oracle.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: oracle.com; dkim=none (message not signed) header.d=none;oracle.com; dmarc=none action=none header.from=wdc.com; x-originating-ip: [129.253.240.72] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 7c49385b-2a44-4753-1bd1-08d7f126b757 x-ms-traffictypediagnostic: SN4PR0401MB3694: x-ld-processed: b61c8803-16f3-4c35-9b17-6f65f441df86,ExtAddr x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:8882; x-forefront-prvs: 0394259C80 x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SN4PR0401MB3598.namprd04.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(4636009)(39850400004)(396003)(136003)(366004)(376002)(346002)(33430700001)(33656002)(33440700001)(26005)(6506007)(2906002)(186003)(7696005)(53546011)(86362001)(316002)(4326008)(55016002)(5660300002)(9686003)(71200400001)(64756008)(66946007)(52536014)(54906003)(66476007)(66446008)(66556008)(4744005)(478600001)(76116006)(6916009)(8676002)(8936002)(91956017);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7c49385b-2a44-4753-1bd1-08d7f126b757 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 May 2020 19:01:28.2155 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: u1s1ZPTXjogX3vjTLTu/YxG592hcHq0txR70T9ao8nQeaSnbH8/WfgXd1D789+gC1WoNMsgZJTLdrhK0QUnQLmccb4Y0ZzrWLBSVDiglKB4= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN4PR0401MB3694 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 30/04/2020 04:18, Martin K. Petersen wrote:=0A= > On Tue, 28 Apr 2020 19:45:54 +0900, Johannes Thumshirn wrote:=0A= > =0A= >> The upcoming NVMe ZNS Specification will define a new type of write=0A= >> command for zoned block devices, zone append.=0A= >>=0A= >> When when writing to a zoned block device using zone append, the start= =0A= >> sector of the write is pointing at the start LBA of the zone to write to= .=0A= >> Upon completion the block device will respond with the position the data= =0A= >> has been placed in the zone. This from a high level perspective can be= =0A= >> seen like a file system's block allocator, where the user writes to a=0A= >> file and the file-system takes care of the data placement on the device.= =0A= >>=0A= >> [...]=0A= > =0A= > Applied to 5.8/scsi-queue, thanks!=0A= =0A= Btw any other comments on the SCSI parts of this series or the general =0A= architecture from your side Martin?=0A=