From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "linux-block@vger.kernel.org" , "ming.lei@redhat.com" , "axboe@kernel.dk" CC: "hch@lst.de" , "tj@kernel.org" , "israelr@mellanox.com" , "maxg@mellanox.com" , "stable@vger.kernel.org" , "sagi@grimberg.me" Subject: Re: [PATCH] blk-mq: fix race between complete and BLK_EH_RESET_TIMER Date: Wed, 11 Apr 2018 22:49:51 +0000 Message-ID: <2ed5dc7a4d1553c7ba3f9bbe43aac313eba29dc8.camel@wdc.com> References: <20180411205529.31145-1-ming.lei@redhat.com> In-Reply-To: <20180411205529.31145-1-ming.lei@redhat.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gVGh1LCAyMDE4LTA0LTEyIGF0IDA0OjU1ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gK2Fn YWluOg0KPiAgCXN3aXRjaCAocmV0KSB7DQo+ICAJY2FzZSBCTEtfRUhfSEFORExFRDoNCj4gIAkJ X19ibGtfbXFfY29tcGxldGVfcmVxdWVzdChyZXEpOw0KPiAgCQlicmVhazsNCj4gIAljYXNlIEJM S19FSF9SRVNFVF9USU1FUjoNCj4gIAkJWyAuLi4gXQ0KPiArCQlzcGluX2xvY2tfaXJxc2F2ZShy ZXEtPnEtPnF1ZXVlX2xvY2ssIGZsYWdzKTsNCj4gKwkJaWYgKGJsa19tcV9ycV9zdGF0ZShyZXEp ICE9IE1RX1JRX0NPTVBMRVRFX0lOX1JFU0VUKSB7DQo+ICsJCQlibGtfbXFfcnFfdXBkYXRlX2Fi b3J0ZWRfZ3N0YXRlKHJlcSwgMCk7DQo+ICsJCQlibGtfYWRkX3RpbWVyKHJlcSk7DQo+ICsJCX0g ZWxzZSB7DQo+ICsJCQlibGtfbXFfcnFfdXBkYXRlX3N0YXRlKHJlcSwgTVFfUlFfSU5fRkxJR0hU KTsNCj4gKwkJCXJldCA9IEJMS19FSF9IQU5ETEVEOw0KPiArCQkJZ290byBhZ2FpbjsNCj4gKwkJ fQ0KPiArCQlzcGluX3VubG9ja19pcnFyZXN0b3JlKHJlcS0+cS0+cXVldWVfbG9jaywgZmxhZ3Mp Ow0KDQpEb2VzIHRoZSBhYm92ZSBjaHVuayBpbnRyb2R1Y2UgYSBiYWNrd2FyZHMgZ290byBmcm9t IGluc2lkZSBhIHJlZ2lvbiBhcm91bmQNCndoaWNoIGEgc3BpbmxvY2sgaXMgaGVsZCB0byBvdXRz aWRlIHRoYXQgcmVnaW9uPyBDYW4gc3VjaCBhIGdvdG8gcmVzdWx0IGluDQphbnl0aGluZyBlbHNl IHRoYW4gYSBkZWFkbG9jaz8NCg0KVGhhbmtzLA0KDQpCYXJ0Lg0KDQoNCg0K