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Thu, 12 Mar 2020 22:19:55 +0000 From: Chaitanya Kulkarni To: Dongli Zhang , "axboe@kernel.dk" CC: "linux-block@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH for-5.7/drivers v2 1/1] null_blk: describe the usage of fault injection param Thread-Topic: [PATCH for-5.7/drivers v2 1/1] null_blk: describe the usage of fault injection param Thread-Index: AQHV+Lm+xkqnqrA25kGEwM3DXf6UIg== Date: Thu, 12 Mar 2020 22:19:55 +0000 Message-ID: References: <20200312220140.12233-1-dongli.zhang@oracle.com> 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=Chaitanya.Kulkarni@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: 2bae6383-ec4a-4ee8-162e-08d7c6d37e42 x-ms-traffictypediagnostic: BYAPR04MB5639: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:5236; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2bae6383-ec4a-4ee8-162e-08d7c6d37e42 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Mar 2020 22:19:55.3744 (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: TZ/60CT/XXOd//jDLNH+MfpC4UouuuKIdFV00V/7mJZQSOJDhRXs+38rXWGfv+nVaepvRvkkbFOhFdLmd/s7J8Bomfr8WqvxtRy5lic9xuw= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR04MB5639 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org NVMe does have the same format in host/fault_inject.c.=0A= =0A= This description matches what we have in :-=0A= =0A= null_setup_fault=0A= __null_setup_fault()=0A= setup_fault_attr()=0A= =0A= looks good to me.=0A= =0A= Reviewed-by: Chaitanya Kulkarni =0A= =0A= On 03/12/2020 03:01 PM, Dongli Zhang wrote:=0A= > As null_blk is a very good start point to test block layer, this patch=0A= > adds description and comments to 'timeout', 'requeue' and 'init_hctx' to= =0A= > explain how to use fault injection with null_blk.=0A= >=0A= > The nvme has similar with nvme_core.fail_request in the form of comment.= =0A= >=0A= > Signed-off-by: Dongli Zhang=0A= =0A=