From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from szxga01-in.huawei.com ([45.249.212.187]:14223 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751324AbdKBMQq (ORCPT ); Thu, 2 Nov 2017 08:16:46 -0400 From: "Zouming (IT)" To: "linux-block@vger.kernel.org" , "axboe@fb.com" CC: wangzhoumengjian Subject: [bug report after v4.5-rc1]block: When the scsi device has a timeout IO, the scsi device is stuck when it is deleted Date: Thu, 2 Nov 2017 12:16:35 +0000 Message-ID: <32770656ECCC174D9F733890F5D00C0D99557B3A@dggemm511-mbs.china.huawei.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org MS5SZXBlYXQgc3RlcHM6IA0KKDEpIHNlbmQgSU8gb24gdGhlIGRldmljZSAvZGV2L3NkeC4gDQoo MikgU2ltdWxhdGUgYW4gSU8gbG9zdA0KKDMpIFVzZSB0aGUgY29tbWFuZCBiZWZvcmUgdG8gwqBk ZWxldGUgc2NzaSBkZXZpY2XCoCBiZWZvcmUgSU8gdGltZW91dA0KwqAgwqAgwqAgZWhjbyAxID4g L3N5cy9jbGFzcy9zZHgvZGV2aWNlL2RlbGV0ZSANCg0KMi5UaGUgc3RhY2sgb2YgZGVsZXRlIHRo ZWFkIGlzIGJlZm9yZTogDQpbPGZmZmZmZmZmODEwOTk5ZWY+XSBtc2xlZXArMHgyZi8weDQwIA0K WzxmZmZmZmZmZjgxMmY3OGI0Pl0gX19ibGtfZHJhaW5fcXVldWUrMHhhNC8weDE3MCANCls8ZmZm ZmZmZmY4MTJmN2JmZD5dIGJsa19jbGVhbnVwX3F1ZXVlKzB4MTNkLzB4MTUwIA0KWzxmZmZmZmZm ZjgxNDczZDJhPl0gX19zY3NpX3JlbW92ZV9kZXZpY2UrMHg0YS8weGQwIA0KWzxmZmZmZmZmZjgx NDczZGQ2Pl0gc2NzaV9yZW1vdmVfZGV2aWNlKzB4MjYvMHg0MCANCls8ZmZmZmZmZmY4MTQ3M2Uw NT5dIHNkZXZfc3RvcmVfZGVsZXRlX2NhbGxiYWNrKzB4MTUvMHgyMCANCls8ZmZmZmZmZmY4MTI3 ZmRjND5dIHN5c2ZzX3NjaGVkdWxlX2NhbGxiYWNrX3dvcmsrMHgxNC8weDYwIA0KWzxmZmZmZmZm ZjgxMGE4ODFhPl0gcHJvY2Vzc19vbmVfd29yaysweDE3YS8weDQ0MCANCls8ZmZmZmZmZmY4MTBh OTRlNj5dIHdvcmtlcl90aHJlYWQrMHgxMjYvMHgzYzAgDQpbPGZmZmZmZmZmODEwYjA5OGY+XSBr dGhyZWFkKzB4Y2YvMHhlMCANCls8ZmZmZmZmZmY4MTZiNGYxOD5dIHJldF9mcm9tX2ZvcmsrMHg1 OC8weDkwwqAgDQoNCjMuVGhlIHJlYXNvbiBpcyBiZWZvcmU6IA0KwqAgKDEpIFdoZW4gdGhlIHNj c2kgZGV2aWNlIGlzIGRlbGV0ZWQsIGludm9rZcKgYmxrX2NsZWFudXBfcXVldWUgZnVudGlvbiB0 byANCsKgIMKgIMKgIMKgIHNldCB0aGUgZmxhZyBvZiByZXF1ZXN0X3F1ZXVlIGR5aW5nLCBhbmQg d2FpdCBhbGwgSU8gYmFjay4gDQoNCsKgICgyKSB3aGVuIElPIHRpbW91dCx0aGUgdGltZW91dCB3 b3JrcXVldWUgaW52b2tlIGJsa190aW1lb3V0X3dvcmvCoGZ1bmN0aW9uIHRvIGFib3J0IElPLCAN CsKgIMKgIMKgIMKgYnV0IGl0IHdpbGwgbm90IGFib3J0IHRoZSBJTyBiZWNhdXNlIGl0IGNhbGwg wqBibGtfcXVldWVfZW50ZXIgZnVudGlvbsKgIA0KwqAgwqAgwqAgwqBqdWRnZSB0aGUgcmVxdWVz dF9xdWV1ZSBpcyBkeWluZyBhbmQgcmV0dXJuIGRpcmVjdCB3aXRob3V0IGRvaW5nIGFueXRoaW5n LiANCg0K