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Wong" Subject: Re: [PATCH v14 00/42] btrfs: zoned block device support Thread-Topic: [PATCH v14 00/42] btrfs: zoned block device support Thread-Index: AQHW9BnjelVVA5dvZkawooc/VUdIMw== Date: Fri, 29 Jan 2021 07:56:14 +0000 Message-ID: References: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: wdc.com; dkim=none (message not signed) header.d=none;wdc.com; dmarc=none action=none header.from=wdc.com; x-originating-ip: [62.216.205.238] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: f684cb4c-f1f7-43b2-1e68-08d8c42b59cd x-ms-traffictypediagnostic: SN6PR04MB4862: 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:6430; 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;SFS:(4636009)(366004)(136003)(376002)(396003)(346002)(39860400002)(55016002)(2906002)(966005)(52536014)(54906003)(316002)(110136005)(478600001)(53546011)(33656002)(71200400001)(5660300002)(8676002)(186003)(26005)(4326008)(9686003)(86362001)(6506007)(8936002)(66446008)(91956017)(66946007)(76116006)(66476007)(7696005)(83380400001)(66556008)(64756008);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: =?us-ascii?Q?lkvS90sFt2edoIpvB76rnKfT/6GCjA0CNzmUwCmGsTGNkynsbca9invNCs1A?= =?us-ascii?Q?zu8bkOXGOqh5ByfDS8bhr/C+2fo99veXNKxhciC50k/h4Zp4jX+PbTFouAWD?= =?us-ascii?Q?uX+uGOIHxd4w6MRv+i5IXXYEMX1gWF9m5wB5cDOvRo4ETZ2nHi0EzR773Y+E?= =?us-ascii?Q?upNTXS0rGuiTH9uPJw73QIAtEm+jdmtsiLtzQpKk+ncUMOaK0dvgF2dcDny+?= =?us-ascii?Q?VeCyO4RyX6EgriyEo/24QhTUJWFdwYMass6k1i8l2WsGa2bqAVY+TSPPpFy/?= =?us-ascii?Q?K7zlaZyYAIhRt9APTQxfBE6g1P6iSQsIj8OnldpWpv55L3KNwOkp08w0Em5A?= =?us-ascii?Q?Xu7IsSjjAdv4zNla+sosBBvPEz+zgIG8/QR+Y70vo9pb7RCTgRLmLx8n5heb?= =?us-ascii?Q?cNecZPLmU31qBG9zEu0wcVFOzU+YaTRzKbYSXXymkAASQM48/DRIIZl7RPtd?= =?us-ascii?Q?EJjRuHDdKy5VYo8pevy0wks7hK6wsuB/t5/z3Z33i7AxvYmxWTG3OrV15OAq?= =?us-ascii?Q?vsjT7O4B1ScRctHNA06S/sQMUn2cBuj8Xo0ysUzU6ApDSTfQGXMJanmTJnWB?= =?us-ascii?Q?Fv6TN7DLf8dO+LEjh2Mcxt6gOVjDmffFuNWyhpQ43gOuVJzHPJnkgzr2GkNf?= =?us-ascii?Q?aj7iE8JEnMfjkGpVbDOL+f8smlwsssgvJAmm5sn5IOodtQFoF//vOKtC6tL9?= =?us-ascii?Q?fpuK1zl3nxj7KaUNBmXeQUo9W1CixzC6AzJ4142brFA+suI0K5J96fNL/G+d?= =?us-ascii?Q?I8cPynAVIuzN6zE8S0LPahtk2wIPAV5sqvQgBzAQONJNUls5M1t/UJ6hO/0x?= =?us-ascii?Q?CFaDWyZh12PLqGOwvw7reZBrwxmIEKC1jNEEGMFpoooD5oMDmCIgwmjbpWAP?= =?us-ascii?Q?3joEp4ZKsXyfQUUuD4dLCi1axJbAEiDgbbqJueaX+98+cRyF1P7brEgIa+On?= =?us-ascii?Q?9sPcSL5sE0D+IFncm8uNGXvsORa4u6OY3SuxS5f9RWkLJ42072ssTN5/AM5d?= =?us-ascii?Q?5ikh8hTcmR8b60htqPvZDIBT81+et/7aQWeXH/J7+SJfB0hNOrTgkhZhDF5M?= =?us-ascii?Q?WWTv7wyxaBpDnS97fS3KvmSr90q6uQ=3D=3D?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN4PR0401MB3598.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f684cb4c-f1f7-43b2-1e68-08d8c42b59cd X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Jan 2021 07:56:14.1328 (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: RyhpNeiU9fwwIoEvcBO0w0XFiLXPSRPYJsuYTTHR8L+gw6D8Cn7sT5EoFoqZxu3BbmbcJhUBixXkdNHjlkNPBS6KqpWGtZUgCcU/jumObck= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR04MB4862 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 26/01/2021 20:31, Naohiro Aota wrote:=0A= > This series adds zoned block device support to btrfs. Some of the patches= =0A= > in the previous series are already merged as preparation patches.=0A= > =0A= > This series is also available on github.=0A= > Kernel https://github.com/naota/linux/tree/btrfs-zoned-v14=0A= > Userland https://github.com/naota/btrfs-progs/tree/btrfs-zoned=0A= > xfstests https://github.com/naota/fstests/tree/btrfs-zoned=0A= > =0A= > Userland tool depends on patched util-linux (libblkid and wipefs) to hand= le=0A= > log-structured superblock. To ease the testing, pre-compiled static linke= d=0A= > userland tools are available here:=0A= > https://wdc.app.box.com/s/fnhqsb3otrvgkstq66o6bvdw6tk525kp=0A= > =0A= > v11 restructured the series so that it starts with the minimum patches to= =0A= > run emulated zoned mode on regular devices (chunk/extent allocator,=0A= > allocation pointer handling, pinning of freed extents (re-dirtying releas= ed=0A= > extent)).=0A= > =0A= > This series still leaves the following issues left for later fix.=0A= > - Bio submission path & splitting an ordered extent=0A= > - Redirtying freed tree blocks=0A= > - Switch to keeping it dirty=0A= > - Not working correctly for now=0A= > - Dedicated tree-log block group=0A= > - We need tree-log for zoned device=0A= > - Dbench (32 clients) is 85% slower with "-o notreelog"=0A= > - Need to separate tree-log block group from other metadata space_info= =0A= > - Relocation=0A= > - Use normal write command for relocation=0A= > - Relocated device extents must be reset=0A= > - It should be discarded on regular btrfs too though=0A= > - Support for zone capacity=0A= =0A= =0A= Hi David,=0A= =0A= I know we're late for 5.12, but the series has next to no potential for reg= ressions=0A= on normal btrfs is there any chance we get get it staged?=0A= =0A= btrfs-progs and xfstests patches will follow soon as well.=0A=