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Thu, 1 Oct 2020 10:41:55 +0000 From: Shinichiro Kawasaki To: Johannes Thumshirn CC: "linux-block@vger.kernel.org" , Omar Sandoval , Omar Sandoval , Damien Le Moal , Chaitanya Kulkarni Subject: Re: [PATCH blktests 2/3] block/004: Provide max_active_zones to fio command Thread-Topic: [PATCH blktests 2/3] block/004: Provide max_active_zones to fio command Thread-Index: AQHWl9vSlEgOxFLjSkOaNH08AhcklKmCjzuA Date: Thu, 1 Oct 2020 10:41:54 +0000 Message-ID: <20201001104153.rbedkdqxtogzm52s@shindev.dhcp.fujisawa.hgst.com> References: <20201001101531.333879-1-shinichiro.kawasaki@wdc.com> <20201001101531.333879-3-shinichiro.kawasaki@wdc.com> In-Reply-To: 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: [199.255.47.10] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: d447ac76-0dcc-4319-ae80-08d865f69d7d x-ms-traffictypediagnostic: BY5PR04MB6978: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:8273; 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charset="us-ascii" Content-ID: <18E6BF9C31D1254F9E95997C29509B13@namprd04.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR04MB3800.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: d447ac76-0dcc-4319-ae80-08d865f69d7d X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Oct 2020 10:41:55.0085 (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: WzrySJeg5z5WGW8ZRkUp2VksXakap1mK5YFf0Ok0WB4FeBgJktHwCSgWWQ+7jZa8u/lU+NP0ZvIx7jLloYYuXma0L/bTLv9IWRtm1yMBzIc= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR04MB6978 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Oct 01, 2020 / 10:25, Johannes Thumshirn wrote: > On 01/10/2020 12:15, Shin'ichiro Kawasaki wrote: > > If the test target devices is a zoned block device with max_active_zone= s > > limit, the fio command in block/004 opens zones beyond the limit and > > fails with I/O errors. > >=20 > > To avoid the failure, pass the limit value to fio using --max_open_zone= s > > option. This option, which was introduced to fio together with > > zonemode=3Dzbd, keeps the number of open zones within the specified val= ue. >=20 > What happens if I use a fio version that does not have the --max_open_zon= es=20 > option defined? The option --max_open_zones was introduced to fio together with zonemode=3D= zbd, since the beginning of fio's zoned block device support. If the test target device is a zoned block device, the test case block/004 checks that fio supports zonemode=3Dzbd. I think this check is valid for --max_open_zones a= lso. --=20 Best Regards, Shin'ichiro Kawasaki=