From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa1.hgst.iphmx.com ([68.232.141.245]:32354 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756500AbdIHR3F (ORCPT ); Fri, 8 Sep 2017 13:29:05 -0400 From: Bart Van Assche To: "ming.lei@redhat.com" CC: "linux-block@vger.kernel.org" , "hch@infradead.org" , "jthumshirn@suse.de" , "martin.petersen@oracle.com" , "linux-scsi@vger.kernel.org" , "axboe@fb.com" , "oleksandr@natalenko.name" , "jejb@linux.vnet.ibm.com" , "tj@kernel.org" Subject: Re: [PATCH V3 7/8] block: allow to allocate req with REQF_PREEMPT when queue is preempt frozen Date: Fri, 8 Sep 2017 17:28:16 +0000 Message-ID: <1504891695.1665.5.camel@wdc.com> References: <20170902130840.24609-1-ming.lei@redhat.com> <20170902130840.24609-8-ming.lei@redhat.com> <20170902131208.GA10940@ming.t460p> <1504498405.10804.10.camel@wdc.com> <20170904071653.GD7959@ming.t460p> <1504539634.3189.15.camel@wdc.com> <20170904160813.GA21757@ming.t460p> <1504575610.3360.7.camel@wdc.com> <20170905022325.GC24787@ming.t460p> <20170908030753.GA5627@ming.t460p> In-Reply-To: <20170908030753.GA5627@ming.t460p> 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 T24gRnJpLCAyMDE3LTA5LTA4IGF0IDExOjA4ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gTG9v a3MgSSByZXBsaWVkIG9yIGNsYXJpZmllZCBhbGwgeW91ciBxdWVzdGlvbnMvY29tbWVudHMgb24g dGhpcw0KPiBwYXRjaHNldC4NCg0KTm8sIHlvdSBoYXZlIG5vdCBhZGRyZXNzZWQgYWxsIG15IGNv bW1lbnRzLCB5b3Uga25vdyB0aGF0IHlvdSBoYXZlIG5vdA0KYWRkcmVzc2VkIGFsbCBteSBjb21t ZW50cyBzbyB5b3Ugc2hvdWxkIG5vdCBoYXZlIHdyaXR0ZW4gdGhhdCB5b3UgaGF2ZQ0KYWRkcmVz c2VkIGFsbCBteSBjb21tZW50cy4gVGhpcyBwYXRjaCBzZXJpZXMgbm90IG9ubHkgaW50cm9kdWNl cyB1Z2x5DQpjaGFuZ2VzIGluIHRoZSByZXF1ZXN0IHF1ZXVlIGZyZWV6ZSBtZWNoYW5pc20gYnV0 IGl0IGFsc28gaW50cm9kdWNlcyBhbg0KdW5hY2NlcHRhYmxlIHJhY2UgY29uZGl0aW9uIGJldHdl ZW4gYmxrX2dldF9yZXF1ZXN0KCkgYW5kIHJlcXVlc3QgcXVldWUNCmNsZWFudXAuDQoNCkJUVywg eW91IGRvbid0IGhhdmUgdG8gc3BlbmQgbW9yZSB0aW1lIG9uIHRoaXMgcGF0Y2ggc2VyaWVzLiBJ IGhhdmUNCmltcGxlbWVudGVkIGFuIGFsdGVybmF0aXZlIGFuZCBtdWNoIGNsZWFuZXIgYXBwcm9h Y2ggdG8gZml4IFNDU0kgZGV2aWNlDQpzdXNwZW5kLiBJJ20gY3VycmVudGx5IHRlc3RpbmcgdGhh dCBwYXRjaCBzZXJpZXMuDQoNCkJhcnQu