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:   Avri Altman <Avri.Altman@wdc.com>
To:     John Garry <john.g.garry@oracle.com>,
        "James E . J . Bottomley" <jejb@linux.vnet.ibm.com>,
        "Martin K . Petersen" <martin.petersen@oracle.com>
CC:     Asutosh Das <quic_asutoshd@quicinc.com>,
        "quic_cang@quicinc.com" <quic_cang@quicinc.com>,
        "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Johannes Thumshirn <Johannes.Thumshirn@wdc.com>,
        Bart Van Assche <bvanassche@acm.org>
Subject: RE: [PATCH v3] scsi: ufs: mcq: Limit the amount of inflight requests
Thread-Topic: [PATCH v3] scsi: ufs: mcq: Limit the amount of inflight requests
Thread-Index: AQHZc3CF5Gg3B5/BOUqgHkzjlXPpmK8z/JCAgAAAuTA=
Date:   Thu, 20 Apr 2023 10:23:40 +0000
Message-ID: <DM6PR04MB6575720218D06C3EF9721BF2FC639@DM6PR04MB6575.namprd04.prod.outlook.com>
References: <20230420101116.173-1-avri.altman@wdc.com>
 <aa86ac49-ffb4-7a4d-8333-bcf3a9b99140@oracle.com>
In-Reply-To: <aa86ac49-ffb4-7a4d-8333-bcf3a9b99140@oracle.com>
Accept-Language: en-US
Content-Language: en-US
wdcipoutbound: EOP-TRUE
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?RzVxSk1JWXBINER6NVJ1eGxraDhwdEdMM1gzem53QXphdGNxdmliWnovMVdX?=
 =?utf-8?B?Z0hKTFhZTnV3VGdoS0haQmVlRDdxR3R2dmV5ZDg1OCttWVRsNm01QWNXRmFo?=
 =?utf-8?B?a2JnMXNzeUFtRkxoVitMcTFhL2x1S0lhS09NNFh6Q2VZd3NSTHgxU3ZsSlhV?=
 =?utf-8?B?TmJIcERIMUtkU0xKUFkxMTd5OFBXQXJGRTcwdnRRY2RqTmQ0Y2hXeFpoSCtI?=
 =?utf-8?B?Z3IrRzBCNmdXNzhzNW5hMlFYN29nQVpOcHZ5Nmh0a216SHI0SFFHTXlwc2s1?=
 =?utf-8?B?UmVXZGcyeGk1Q2dtTHFwZVhROG9vT08rZXhIcHUzU0NjNmdKZ2RWc1FQQ25D?=
 =?utf-8?B?VTRQV09QaThsMDFObG91WkNkUXRaait1cnhZcm53QVBMblQwNEdJa1Y3Yktt?=
 =?utf-8?B?aGx6KzNwTDMxK3ZDTVRsczRBMCtaaENqSWo0UmNTTGorTkM0MmhZOHhpKyty?=
 =?utf-8?B?UGVmRDhod3YzdC9NYzRsOGVOdm81OHVJSjFZVm0vMXIyeGlhK01DZjNlTjhS?=
 =?utf-8?B?TGtPNE0ydmJxNjFYWnp6YnZwU3F2Tmh1QWtLTVpqUGlxdG0wRm5nTXRZNWpx?=
 =?utf-8?B?aFNNNjV0bFo1aktpY2V2dXpNaDBGeVh2MXVtSmx1dEhnOGhpTjZaQXJLY2ov?=
 =?utf-8?B?Rm4vcWtZazdNT0VHcHlDck9KWk52aHJBNGQ3T1NhZ3p6aXFEcDFwTklnempk?=
 =?utf-8?B?ZlArYnY5SlFzd1JmWlJBU1ZKQXRLQW44eE55MU1TT3NLazI5NnIvVG9iQ1NM?=
 =?utf-8?B?dlR3U0lFM1lCajRnTmt1SE9TR0I1am1IbGphZlliV3RvZzF2S0VkWVJneno3?=
 =?utf-8?B?c25OblFiR01SS3c2NlhYTDRlNi9XQmhQUVZnZjZVN2kySHVic2VOWHpjcFRZ?=
 =?utf-8?B?N295b2dROUFZZDV4M3FKTGQybEJZVjNTT3dQZ3NnUm5LMHUxVnpGTmE2NmhJ?=
 =?utf-8?B?VE40ZXFiVWJmVndVbktKSEQyTndiYzhoclpkUjFpSkYyMHVmOFlWcVFuRmVZ?=
 =?utf-8?B?d0FMVXhkUklJUzUxbll6eVZMK3RnbEZTb0VhZmVjWXowamVJRUN4dzNSZ294?=
 =?utf-8?B?dldSM2pFK3ZmbG5CbHg5VTVRbzVMVWVQZzRZRVk0NStCYWdmTG1tdWNOOXMw?=
 =?utf-8?B?Y1NKbGFGN3YxZFkzOVdoQm53VjVJSnZ0aHVoeUdia0Z0bkwvcmd6MDBpcFBu?=
 =?utf-8?B?L1ZBUzl2Zmtma0xrRExTN2ZkOGYydHVZK1BzallkcEhJTU5SSzNkNm1FS2My?=
 =?utf-8?B?T0RmeldEK3Z6ZjNJMnY0V1BuWDdWVmFZZTI4MVg5RHhxYXVrK2tQakdSbkVa?=
 =?utf-8?B?aUNzVFN6RHJJVlhqTXoxVHJNaVptSm84djJLWWZxa2hWUkZjQlVXSkE4aEhF?=
 =?utf-8?B?MzZqdmdkWUdEeGt4REY4RUs4MGxrbzZJNVFmeExoMXRFc1RVdjVXMEgvMXQx?=
 =?utf-8?B?emhvckk3L3pWN1hUdnZuUHQ4Z2pTc21zN2YyUC9NU2dNWERseHNkRnkzY2JV?=
 =?utf-8?B?V3FUdFgycE9hOVB0KzRPMEV2R1NvazRiSUtidWU3R2QzajlZWXVkN0Fja29l?=
 =?utf-8?B?cy9BS0Jnd1YrU2xLQkYwKzh2UU1DdkpDZG9oUjN1ckxMS1h1YjNVY3l6MVEz?=
 =?utf-8?B?WldLcy9Ud2xnZ3Z1eHZ5c3puZm9JcmZXT0F0RnNjek90cXF6N3FkSUs5bU5m?=
 =?utf-8?B?Ri8xMmZ1WmRsbTRYV2Q3Z2R2a2FTM2Q5UWlrTHFNVmNzSlRSSlJseFQxSnlT?=
 =?utf-8?B?MWkwVFRlNkpJVlh3bStXbkhtaEY1L3l5Unl3ZWVDUTliTVB3SENqVGVQenVs?=
 =?utf-8?B?ejRVbVhZZ1pER1JpNmlUcW1zWGhSWllybThJNmRwVmthNHNyMkwvSVFub3F6?=
 =?utf-8?B?dUxQZGtJSjlYaEE5ejJwTERZLy9MVm5pOVlNcXRtQWkxVExoQ1pIdWlZTXJW?=
 =?utf-8?B?ZWZhckZCY0JseTFPb0c3WkVkRFkzTy9wYXJRNklRTkk3RUFyMGNTMnVmQ3U1?=
 =?utf-8?B?bThRVkRIUXRoSzVybFluUXFSaWZ3Y3ZIVVQ5bmJEc1ZCVHNqTWEzNklJN1R1?=
 =?utf-8?B?NzhGWGhrNndOTXVGcWF0YWw2eXFsd3lvMEcyZXFCOVRLU1dTdkgxbndGaEIv?=
 =?utf-8?Q?UHhsrNM6a0x8pYB5u/gAqehei?=
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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
X-OriginatorOrg: wdc.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: DM6PR04MB6575.namprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 8003aeda-aecb-4d47-44ac-08db41894f6a
X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Apr 2023 10:23:40.1285
 (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: dh7dqJD8PNV4c7GXpV9rXgoOvjgdBB4r8TlYqDq13GCHkJ1VDU0HUjjkaE4IjpSV/QxjKtBCtE7Igm9k2gaPnA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR04MB8389
X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,RCVD_IN_DNSWL_MED,SPF_HELO_PASS,SPF_NONE,
        T_SCC_BODY_TEXT_LINE autolearn=ham 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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