Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Chaitanya Kulkarni <chaitanyak@nvidia.com>
To:     "linan666@huaweicloud.com" <linan666@huaweicloud.com>,
        "axboe@kernel.dk" <axboe@kernel.dk>
CC:     "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linan122@huawei.com" <linan122@huawei.com>,
        "yukuai3@huawei.com" <yukuai3@huawei.com>,
        "yi.zhang@huawei.com" <yi.zhang@huawei.com>,
        "houtao1@huawei.com" <houtao1@huawei.com>,
        "yangerkun@huawei.com" <yangerkun@huawei.com>
Subject: Re: [PATCH] block: remove redundant req_op in blk_rq_is_passthrough
Thread-Topic: [PATCH] block: remove redundant req_op in blk_rq_is_passthrough
Thread-Index: AQHZjItI5ctRbN0MoUKxX/1FPIxTvq9mB2YA
Date:   Mon, 22 May 2023 09:31:54 +0000
Message-ID: <41a739cb-1d17-3713-0648-1f91e2267cbc@nvidia.com>
References: <20230522085355.1740772-1-linan666@huaweicloud.com>
In-Reply-To: <20230522085355.1740772-1-linan666@huaweicloud.com>
Accept-Language: en-US
Content-Language: en-US
user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.11.0
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?T3pXOE1ERDg0M0RFZ3A3aEcrVlNVRXZwYWo0c3RYcFlyaEhVK3NSdFpocjZI?=
 =?utf-8?B?UXlYb1l6bDZ0RjBleFRXNWVEU3JFZ3Z2NjBtMXI2cXNpOC94L3d3T0Zhd0NY?=
 =?utf-8?B?TE1zckpCNzBOU0NzYjAzd3A3UFpvZ3RaR0xBbUVuKzFjZVNnMGFIUmxkSEpy?=
 =?utf-8?B?NEw3anozQ3lFSVF0V0VZaDB6azdwVGx0YTA1aHZpSVhEZUc3S2kyeTZBUERW?=
 =?utf-8?B?VGs0ZzBRM216bGhsdFFiRHJhQWwvMjZKVTkzL3l6c1FRQkQyNFdzMDczTHBz?=
 =?utf-8?B?UlFNNlVsa05kUVNMT0dwbzYwWU9TdHVEaERyNUJNOWxITnA2YXVBZi8vQ2la?=
 =?utf-8?B?VzJGdUFQUHArT0FZYTh4WlpkYnZGZk44NlF1YlU2UkwzMTRnWEZiQ21KeFpW?=
 =?utf-8?B?MzhIM3BjNkozS2hsMmhEb3Y5d2l6WTc4eldmb1ZOejBVSVhVNmxacXZjZlNw?=
 =?utf-8?B?L0RkRXc4YnE4VWhmbXc1bTl0T2hTdEw2T0QzSjFXR0VmQ1pmN1dLbDhqdEtv?=
 =?utf-8?B?cGJDZjZmd0p5QU9CREQrWVI3czVUTmdlWGlDWFlKck0rTG9zUFN5N2NlZEQy?=
 =?utf-8?B?ZnJTcWlCSjg3K3dnNTU1ekIyZGowSlBNNDFFQ1dvVDBYSVQ4OGxHdCtyQ2sw?=
 =?utf-8?B?ektJNjFmaFdkTHdxTDhycXJOMVlpYlVjZ21NMnN5RkdqWEtyWkd4NEwraTRG?=
 =?utf-8?B?dWhVYXlHT29xTzQ2TStSU0h0bFlYOHlwR1ljWlMxNnZYdThVSXVQSzk0YlZS?=
 =?utf-8?B?N3ZLVmcrM1VqeDNTQ2FYVHdXUHljSzRnTzJ1d1RNUmFTMjJzWGpoSWZSNkxL?=
 =?utf-8?B?eW9jYVVXcWd4Nkdkd3hPZktaL3J5THNNakd3cWphdG9IQXlhQTdvNmZtZkFl?=
 =?utf-8?B?NFhNWElYVTZOTmRlTzl6S3Z4WDlMRDJxc05OaFlLa3RnMVhIbUdxSzJXc0tp?=
 =?utf-8?B?RkQ3UVg2aVZQVU9MMlJpZFh0bXJITk9leDk5VG1hcGFrSC9Id2F2NkJsWk1H?=
 =?utf-8?B?ZnEzQ01Vc0FuS3VWcEQvQnFGWjY3Rk9Lak1pTS9VYXdqTGhPRysvcUhLcWdi?=
 =?utf-8?B?bWdBTS91UnZ6bDEveUFwbTRMbm9mYW1rQ0NDNDlMMlZMamRLcjIzRUhSLzRj?=
 =?utf-8?B?K29XVXgyOVRRYkVCM205YndNeGwwdFhGSjdLTWhIbTI3WGJFdTVmMnJ0VnFE?=
 =?utf-8?B?U21tTzlHSE5RVFRuR2tMQ012eWgxOW12OVRaQkVmTHdVREF1dUhKeHFVY3BW?=
 =?utf-8?B?ZGUyaEpJbVVyT0ozeVhqMUs1a1BYbklVc1ZEcHRFbjJRelo1TFgzeURqTStS?=
 =?utf-8?B?VmdJVklzdFdJcDJsbmlaSmlLVEtzLzRyajJCUUE5enBWQ21QTzBhVnZmMFNt?=
 =?utf-8?B?Tjc2aHBQbWRhekxCbS93V3Z0WFdMUXdOcDBuaVRwTjZxemNuRS9xREI5Q3My?=
 =?utf-8?B?VS8rSzVxcW9odkhrNHllY2xLUEFWaHByVmFXV2tyY2dML0ZLNXd3dWphL2Ru?=
 =?utf-8?B?Tks0S3A0RktwaTVKZ0RobVBvVzN5YmZpS2QzWGR5aFVGWEdRaEg2R1A4aDRJ?=
 =?utf-8?B?eWZkbkNoV0gxYmNmTE9OZGJBVFA5Y0RHYjByQ2p5ZkFaTTkwM25HbkYwZ3RN?=
 =?utf-8?B?SVh5ZFRXdlhBSkVxY2FGdi9sak5UNFhqYmJKL0NBTzhuY1Zldi9aSUVoVjhF?=
 =?utf-8?B?MEVWeUdhOFM1ekpSQlhvU1dzWEZkMkIxbnFQbGl3ZzZoTU5Pa21VZEVDc0FF?=
 =?utf-8?B?L2daOGtSUzcwYkNOckh5cVhlbThYNFpBWkFLcDE3MERhZlpNYVZ0RDgzS01Y?=
 =?utf-8?B?UmRaVFc3dFYvNEtIRVJ2WjgyQjlUVFlLbUtZV0QrUDZpODBJQkJzN2crY3RH?=
 =?utf-8?B?YzhRSHRsQ29yenNFS0hEeENrVzRPM0VoMS9HZWIrT1R1WDl4SDh4Z05ueDB5?=
 =?utf-8?B?QVFZMHJDWkxyMGdCd3hzUlBGQWtoWWMyUVhabFVRWU92SWYxUFp4N3J0TGNI?=
 =?utf-8?B?dHJWWDc2bTVYbkUvbUNFOElIR2hyazBRNkZ6TzQrK3A1dU50cldiMHN5NXVZ?=
 =?utf-8?B?M2pLZWZtS28ra0xiRG1JVmdGMG05UDRjS2cyS0IwclgzY0t6cml3VExiNWVY?=
 =?utf-8?Q?dfdZtW0eU4FCV8+EpbiwL8i0e?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <13B6314EF3FD6742A19BB4D72775E0B1@namprd12.prod.outlook.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-OriginatorOrg: Nvidia.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: MW2PR12MB4667.namprd12.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 00f31260-a8b2-4314-c82f-08db5aa761c1
X-MS-Exchange-CrossTenant-originalarrivaltime: 22 May 2023 09:31:54.9056
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: 20jUCv90aAtbHEFBucW2R1P/tL0Am9Jg1iOESRhTMcc58pt+xVv+o5oTkHtKqeseFFUZlIyRTvChHyMZeqtstQ==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4366
X-Spam-Status: No, score=-1.2 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
        DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,
        NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,
        SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no
        version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
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