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Petersen" CC: "linux-scsi@vger.kernel.org" , Hannes Reinecke , Daniel Wagner Subject: Re: [RFC PATCH] scsi: sd_zbc: prevent report zones racing rev_wp_ofst updates Thread-Topic: [RFC PATCH] scsi: sd_zbc: prevent report zones racing rev_wp_ofst updates Thread-Index: AQHWamsoltYRlwenV0yPgATAXD6OIw== Date: Wed, 5 Aug 2020 07:09:04 +0000 Message-ID: References: <20200804142541.17126-1-johannes.thumshirn@wdc.com> 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: [129.253.240.72] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 218020c9-1d7d-41ec-9d06-08d8390e6ff4 x-ms-traffictypediagnostic: SN6PR04MB5166: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:619; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 49nYp9wJayxfFHo3/IpVPAV3OZN5jM16QKNnxOPnCj3JsyhQbnK/RpsxzYGXp2G1QorVlntcxRMewu2mnIwRvC07tZ35q+swXPzoX2WWJvlYbp5KE0XUlRKhY7fERSEM1C2zVUC/1rktP4v9v6AM3pkKpCaIo2tBiEINrjlTcj0BFhiUn6sygvijklz2rxB5lDJf1eUqUbIoDIQ0axgmSeLx48vhmHzLfDpwOjArisiXCopUaof1AfpHiRUjEgO+qRmKbmpGTAroNj1u5o65Kgb+RWWgUn5y7h+i2HvGiDwKeOifeng54EAXZATijbIwtpsuBlRMGjrT0DYigfnttw== 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)(39860400002)(136003)(396003)(366004)(346002)(376002)(66476007)(4326008)(76116006)(66946007)(91956017)(8676002)(558084003)(110136005)(86362001)(2906002)(52536014)(186003)(5660300002)(71200400001)(54906003)(66556008)(316002)(64756008)(8936002)(66446008)(83380400001)(55016002)(26005)(7696005)(9686003)(478600001)(53546011)(6506007)(33656002);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-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN4PR0401MB3598.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 218020c9-1d7d-41ec-9d06-08d8390e6ff4 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Aug 2020 07:09:04.2603 (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: CBugVXa0Eewsva4fi1nDpaDNFGzlFODYWW1sHLRxHJke7tGVPqllwtfks/e4HkvU8xRgXulGC8JJsEKbWxIpwiZlJ9SGjrVh6eFOAM3Cbtc= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR04MB5166 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 05/08/2020 03:38, Damien Le Moal wrote:=0A= > You need to unlock rev_mutex if unlock =3D=3D true before this goto, othe= rwise zones=0A= > revalidation will deadlock.=0A= =0A= Oops correct, thanks!=0A=