From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH V4 08/10] block: allow to allocate req with RQF_PREEMPT when queue is preempt frozen Date: Thu, 14 Sep 2017 13:37:14 +0000 Message-ID: <1505396232.2898.13.camel@wdc.com> References: <20170911111021.25810-1-ming.lei@redhat.com> <20170911111021.25810-9-ming.lei@redhat.com> <1505145834.2802.17.camel@wdc.com> <20170912034057.GC31533@ming.t460p> <20170913164803.GB10407@ming.t460p> <1505323703.2654.3.camel@wdc.com> <20170913174759.GB24862@ming.t460p> <1505329670.2404.10.camel@wdc.com> <20170914011532.GA16105@ming.t460p> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170914011532.GA16105@ming.t460p> Content-Language: en-US Content-ID: <26205A36E1B7E84994D229BEFA998CA1@namprd04.prod.outlook.com> Sender: linux-block-owner@vger.kernel.org To: "ming.lei@redhat.com" Cc: "jthumshirn@suse.de" , "hch@infradead.org" , "linux-block@vger.kernel.org" , "martin.petersen@oracle.com" , "linux-scsi@vger.kernel.org" , "axboe@fb.com" , "oleksandr@natalenko.name" , "jejb@linux.vnet.ibm.com" , "cavery@redhat.com" List-Id: linux-scsi@vger.kernel.org T24gVGh1LCAyMDE3LTA5LTE0IGF0IDA5OjE1ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gT24g V2VkLCBTZXAgMTMsIDIwMTcgYXQgMDc6MDc6NTNQTSArMDAwMCwgQmFydCBWYW4gQXNzY2hlIHdy b3RlOg0KPiA+IE9uIFRodSwgMjAxNy0wOS0xNCBhdCAwMTo0OCArMDgwMCwgTWluZyBMZWkgd3Jv dGU6DQo+ID4gPiBObywgdGhhdCBwYXRjaCBvbmx5IGNoYW5nZXMgYmxrX2luc2VydF9jbG9uZWRf cmVxdWVzdCgpIHdoaWNoIGlzIHVzZWQNCj4gPiA+IGJ5IGRtLXJxKG1wYXRoKSBvbmx5LCBub3Ro aW5nIHRvIGRvIHdpdGggdGhlIHJlcG9ydGVkIGlzc3VlIGR1cmluZw0KPiA+ID4gc3VzcGVuZCBh bmQgc2VuZGluZyBTQ1NJIERvbWFpbiB2YWxpZGF0aW9uLg0KPiA+IA0KPiA+IFRoZXJlIG1heSBi ZSBvdGhlciB3YXlzIHRvIGZpeCB0aGUgU0NTSSBkb21haW4gdmFsaWRhdGlvbiBjb2RlLg0KPiAN Cj4gQWdhaW4gdGhlIGlzc3VlIGlzbid0IGluIGRvbWFpbiB2YWxpZGF0aW9uLCBpdCBpcyBpbiBx dWllc2NlLA0KPiBzbyB3ZSBuZWVkIHRvIGZpeCBxdWllc2NlLCBpbnN0ZWFkIG9mIHdvcmtpbmcg YXJvdW5kIHRyYW5zcG9ydF9zcGkuDQo+IA0KPiBBbHNvIFdoYXQgaXMgdGhlIG90aGVyIHdheT8g V2h5IG5vdCB0aGlzIHBhdGNoc2V0Pw0KDQpTb3JyeSBpZiBJIGhhZCBub3QgbWFkZSB0aGlzIGNs ZWFyIGVub3VnaCBidXQgSSBkb24ndCBsaWtlIHRoZSBhcHByb2FjaCBvZg0KdGhpcyBwYXRjaCBz ZXJpZXMgc28gcGxlYXNlIGRvIG5vdCBleHBlY3QgYW55ICJSZXZpZXdlZC1ieSIgdGFncyBmcm9t IG1lLg0KQXMgdGhlIGRpc2N1c3Npb24gYWJvdXQgdjQgb2YgdGhpcyBwYXRjaCBzZXJpZXMgbWFk ZSBjbGVhciB0aGUgaW50ZXJhY3Rpb24NCmJldHdlZW4gYmxrX2NsZWFudXBfcXVldWUoKSBhbmQg dGhlIGNoYW5nZXMgaW50cm9kdWNlZCBieSB0aGlzIHBhdGNoIHNlcmllcw0KaW4gYmxrX2dldF9y ZXF1ZXN0KCkgaXMgc3VidGxlIGFuZCBoYXJkIHRvIGFuYWx5emUuIFRoZSBibGstbXEgY29yZSBp cw0KYWxyZWFkeSBjb21wbGljYXRlZC4gSW4gbXkgdmlldyBwYXRjaGVzIHRoYXQgbWFrZSB0aGUg YmxrLW1xIGNvcmUgc2ltcGxlcg0KYXJlIG11Y2ggbW9yZSB3ZWxjb21lIHRoYW4gcGF0Y2hlcyB0 aGF0IG1ha2UgdGhlIGJsay1tcSBjb3JlIG1vcmUNCmNvbXBsaWNhdGVkLg0KDQpTaW5jZSBJIGV4 cGVjdCB0aGF0IGFueSBmaXggZm9yIHRoZSBpbnRlcmFjdGlvbiBiZXR3ZWVuIGJsay1tcSBhbmQg cG93ZXINCm1hbmFnZW1lbnQgd2lsbCBiZSBpbnRlZ3JhdGVkIGluIGtlcm5lbCB2NC4xNSBhdCBl YXJsaWVzdCB0aGVyZSBpcyBubyByZWFzb24NCnRvIHJ1c2guIE15IHByb3Bvc2FsIGlzIHRvIHdh aXQgYSBmZXcgd2Vla3MgYW5kIHRvIHNlZSB3aGV0aGVyIGFueW9uZSBjb21lcw0KdXAgd2l0aCBh IGJldHRlciBzb2x1dGlvbi4NCg0KQmFydC4=