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Wed, 7 Oct 2020 00:58:23 +0000 From: Chaitanya Kulkarni To: Logan Gunthorpe , "linux-kernel@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "linux-block@vger.kernel.org" , Omar Sandoval CC: Sagi Grimberg , Stephen Bates Subject: Re: [PATCH blktests v2 02/11] common/xfs: Create common helper to check for XFS support Thread-Topic: [PATCH blktests v2 02/11] common/xfs: Create common helper to check for XFS support Thread-Index: AQHWl1sou8OL2CxeA0mV1a+SBBjD2A== Date: Wed, 7 Oct 2020 00:58:23 +0000 Message-ID: References: <20200930185422.11494-1-logang@deltatee.com> <20200930185422.11494-3-logang@deltatee.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: deltatee.com; dkim=none (message not signed) header.d=none;deltatee.com; dmarc=none action=none header.from=wdc.com; x-originating-ip: [199.255.45.62] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 4d22471e-b258-4896-925e-08d86a5c172d x-ms-traffictypediagnostic: BYAPR04MB3958: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:8882; 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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: BYAPR04MB4965.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4d22471e-b258-4896-925e-08d86a5c172d X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Oct 2020 00:58:23.0513 (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: o7fqko/tKq/yYcrfQPwepgWqKEMV9y6wIoIe8BlavdY2b2DRpqE8LdpWWWqkJ2zwcFcIfH7PUt4UXxVCMe8/dEswdb6u0x+I5mzgz/uBsSU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR04MB3958 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/6/20 16:51, Logan Gunthorpe wrote:=0A= > _have_xfs() does return true/false and can be used with && or in a=0A= > conditional.=0A= >=0A= > Per [1], my opinion is that using && in the requires() function where=0A= > the return value is ignored is confusing so I prefer not to do it in new= =0A= > code.=0A= >=0A= > If we want to reconsider this we, should add a check to ensure the=0A= > return value of requires() matches the expectation of the global=0A= > variable it uses.=0A= >=0A= > Logan=0A= >=0A= > [1]=0A= > https://lore.kernel.org/linux-block/92478e6f-622a-a1ae-6189-4009f9a307bc@= deltatee.com/=0A= =0A= Make sense to me, lets not change this, thanks for pointing that out.=0A= =0A=