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Petersen" , "linux-fsdevel @ vger . kernel . org" , "Darrick J . Wong" Subject: Re: [PATCH v2 10/11] iomap: Add support for zone append writes Thread-Topic: [PATCH v2 10/11] iomap: Add support for zone append writes Thread-Index: AQHWAfBwrmUQROWSvUa2jUG+SCcnLQ== Date: Wed, 25 Mar 2020 10:15:10 +0000 Message-ID: References: <20200324152454.4954-1-johannes.thumshirn@wdc.com> <20200324152454.4954-11-johannes.thumshirn@wdc.com> <20200324154131.GA32087@infradead.org> <20200325094828.GA20415@infradead.org> <20200325100145.GB20415@infradead.org> 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=Johannes.Thumshirn@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: 99e04e9b-8a6f-4486-ada4-08d7d0a566c2 x-ms-traffictypediagnostic: SN4PR0401MB3712: 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:6790; x-forefront-prvs: 0353563E2B x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(4636009)(366004)(39860400002)(346002)(376002)(136003)(396003)(4744005)(5660300002)(110136005)(54906003)(6636002)(76116006)(52536014)(316002)(9686003)(91956017)(8676002)(55016002)(8936002)(33656002)(81156014)(66556008)(81166006)(64756008)(66476007)(66946007)(4326008)(66446008)(53546011)(186003)(478600001)(71200400001)(7696005)(86362001)(26005)(2906002)(6506007);DIR:OUT;SFP:1102;SCL:1;SRVR:SN4PR0401MB3712;H:SN4PR0401MB3598.namprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 5qd7C9EZkgDxJ8A0ZCyf0eOKbxJyonnDlBUheNe+mGd+FLt7/mmFWq2DwSbEWaWa8MjM6yvLGs6TUUeyiE9B9MSVfXe+FcIe+/MMcy3pKGjblIHjQ1TYEQHuABGQ8pnrsWI9KcWVDGEyAbv4c0AjRIDqVx1N5GL2mM497X7ns4xtpoCrtE9nKAjh5ghtK5rFrW5nQ0lq/CyfHOzq7jS6BA4U4dZIETpyw/ywzcPpXoRhwOFlD+m3Ay6Ujl6xhhErt4GjMQoJLGwsdFBw3y4o9YRuoW3UZaEbBtYaXm9S5Mgk9lp8Jd3TvdAbY6ov2Irx8BYmb0IEF0UmF9A9jR3KNupn2dJnjTKhJ/3oSMzsEiFCwoWv9rfNfxGgIDujWFCa0pvdtoGZHIlV0zqfWmnL6Bff7QfoY01pwRwfCoNgARvdvtjO1+5jZuCRAKfvdXk/ x-ms-exchange-antispam-messagedata: e2U+e3HW3kmT6crS68pIItkIlkpfoim4am5i2csqjdMlEz4VMM3j7lwLsoaEjcq+tZB6k4P+pcyz5ALziWW5HNwmEGGEq8eM58tWAbmMt+RWlFcPuzbU46GhnqDzPFo+1j5kHpBo/CvMy3q0W1805g== 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: 99e04e9b-8a6f-4486-ada4-08d7d0a566c2 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Mar 2020 10:15:10.5541 (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: 3rqkf5/aXW1clqRIfY+fMcY9XQdMRasVL1giJf1rSqykawSk5IHQnADNWrCDUwiOUQIYyJS+XqJFviDzSeEeV5AgJtqdEWsa9rsN8G22URg= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN4PR0401MB3712 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 25/03/2020 11:01, hch@infradead.org wrote:=0A= > I thought of recording the location in ->iomap_end (and in fact=0A= > had a prototype for that), but that is not going to work for AIO of=0A= > course. So yes, we'll need some way to have per-extent completion=0A= > callbacks.=0A= =0A= OK let's postpone iomap then and handle zone-append directly in zonefs =0A= for now.=0A= =0A=