Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753983AbdLDPJ1 (ORCPT ); Mon, 4 Dec 2017 10:09:27 -0500 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:37684 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752716AbdLDPJW (ORCPT ); Mon, 4 Dec 2017 10:09:22 -0500 X-IronPort-AV: E=Sophos;i="5.45,359,1508774400"; d="scan'208";a="64397642" From: Bart Van Assche To: "linux-scsi@vger.kernel.org" , "hch@infradead.org" , "jejb@linux.vnet.ibm.com" , "linux-block@vger.kernel.org" , "axboe@fb.com" , "ming.lei@redhat.com" , "martin.petersen@oracle.com" CC: Bart Van Assche , "linux-kernel@vger.kernel.org" , "hare@suse.com" Subject: Re: [PATCH] SCSI: delay run queue if device is blocked in scsi_dev_queue_ready() Thread-Topic: [PATCH] SCSI: delay run queue if device is blocked in scsi_dev_queue_ready() Thread-Index: AQHTa4se686/KXegNkKe8Nuy2OdfsaMzTKCA Date: Mon, 4 Dec 2017 15:09:20 +0000 Message-ID: <1512400159.23838.1.camel@wdc.com> References: <20171202163150.1273-1-ming.lei@redhat.com> In-Reply-To: <20171202163150.1273-1-ming.lei@redhat.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=Bart.VanAssche@wdc.com; x-originating-ip: [73.162.160.144] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;CY1PR0401MB1533;20:BAlQ6/erftT5GRnJlCvCaK02JlHw9fXiZfbdm0LACM//Bd3rL6h6p6NBqWDPd/rR1Rv/721+iGTl5JzcbVCtpi2q5zT4+fWDQcv/2eaW3PhJYNezz0ebAaMBy3RcHY1jTx214IdI7BlLZAjHoVhDR6Zl5yjRJXvnyjXyLEnBsQI= x-ms-exchange-antispam-srfa-diagnostics: SSOS;SSOR; x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 6c3ffd99-b7f5-44a2-7c78-08d53b28ff41 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(4534020)(4602075)(4627115)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(2017052603286);SRVR:CY1PR0401MB1533; x-ms-traffictypediagnostic: CY1PR0401MB1533: wdcipoutbound: EOP-TRUE x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040450)(2401047)(5005006)(8121501046)(3231022)(3002001)(93006095)(93001095)(10201501046)(6055026)(6041248)(20161123558100)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(20161123564025)(20161123555025)(20161123560025)(20161123562025)(6072148)(201708071742011);SRVR:CY1PR0401MB1533;BCL:0;PCL:0;RULEID:(100000803101)(100110400095);SRVR:CY1PR0401MB1533; x-forefront-prvs: 051158ECBB x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(6009001)(39860400002)(346002)(376002)(366004)(377424004)(199003)(24454002)(189002)(6486002)(77096006)(6436002)(7736002)(316002)(6506006)(5660300001)(305945005)(6512007)(53936002)(99286004)(101416001)(106356001)(110136005)(36756003)(105586002)(4326008)(6116002)(3846002)(102836003)(97736004)(103116003)(3660700001)(25786009)(54906003)(229853002)(68736007)(2900100001)(6246003)(33646002)(2501003)(2906002)(54356011)(2950100002)(189998001)(14454004)(76176011)(2201001)(86362001)(66066001)(8936002)(81166006)(81156014)(558084003)(8676002)(478600001)(72206003)(3280700002);DIR:OUT;SFP:1102;SCL:1;SRVR:CY1PR0401MB1533;H:CY1PR0401MB1536.namprd04.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;A:1;MX:1;LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6c3ffd99-b7f5-44a2-7c78-08d53b28ff41 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Dec 2017 15:09:20.7818 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR0401MB1533 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id vB4F9WZb012705 Content-Length: 279 Lines: 7 On Sun, 2017-12-03 at 00:31 +0800, Ming Lei wrote: > Fixes: 0df21c86bdbf ("scsi: implement .get_budget and .put_budget for blk-mq") It might be safer to revert commit 0df21c86bdbf instead of trying to fix all issues introduced by that commit for kernel version v4.15 ... Bart.