From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH V2 2/8] blk-mq: introduce BLK_MQ_F_GLOBAL_TAGS Date: Thu, 8 Feb 2018 15:25:51 +0000 Message-ID: <1518103548.6826.2.camel@wdc.com> References: <20180205152035.15016-1-ming.lei@redhat.com> <20180205152035.15016-3-ming.lei@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from esa1.hgst.iphmx.com ([68.232.141.245]:31846 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751079AbeBHPZz (ORCPT ); Thu, 8 Feb 2018 10:25:55 -0500 In-Reply-To: <20180205152035.15016-3-ming.lei@redhat.com> Content-Language: en-US Content-ID: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "hch@infradead.org" , "linux-block@vger.kernel.org" , "snitzer@redhat.com" , "ming.lei@redhat.com" , "axboe@kernel.dk" Cc: "hch@lst.de" , "martin.petersen@oracle.com" , "hare@suse.de" , "linux-scsi@vger.kernel.org" , "don.brace@microsemi.com" , "james.bottomley@hansenpartnership.com" , "pbonzini@redhat.com" , "arun.easi@cavium.com" , "osandov@fb.com" , "loberman@redhat.com" , "kashyap.desai@broadcom.com" , "peter.rivera@broadcom.com" T24gTW9uLCAyMDE4LTAyLTA1IGF0IDIzOjIwICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gZGlm ZiAtLWdpdCBhL2Jsb2NrL2Jsay1tcS1zY2hlZC5jIGIvYmxvY2svYmxrLW1xLXNjaGVkLmMNCj4g aW5kZXggNTVjMGE3NDViNDI3Li4zODViYmVjNzM4MDQgMTAwNjQ0DQo+IC0tLSBhL2Jsb2NrL2Js ay1tcS1zY2hlZC5jDQo+ICsrKyBiL2Jsb2NrL2Jsay1tcS1zY2hlZC5jDQo+IEBAIC04MSw2ICs4 MSwxNyBAQCBzdGF0aWMgYm9vbCBibGtfbXFfc2NoZWRfcmVzdGFydF9oY3R4KHN0cnVjdCBibGtf bXFfaHdfY3R4ICpoY3R4KQ0KPiAgCX0gZWxzZQ0KPiAgCQljbGVhcl9iaXQoQkxLX01RX1NfU0NI RURfUkVTVEFSVCwgJmhjdHgtPnN0YXRlKTsNCj4gIA0KPiArCS8qIG5lZWQgdG8gcmVzdGFydCBh bGwgaHcgcXVldWVzIGZvciBnbG9iYWwgdGFncyAqLw0KPiArCWlmIChoY3R4LT5mbGFncyAmIEJM S19NUV9GX0dMT0JBTF9UQUdTKSB7DQo+ICsJCXN0cnVjdCBibGtfbXFfaHdfY3R4ICpoY3R4MjsN Cj4gKwkJaW50IGk7DQo+ICsNCj4gKwkJcXVldWVfZm9yX2VhY2hfaHdfY3R4KGhjdHgtPnF1ZXVl LCBoY3R4MiwgaSkNCj4gKwkJCWlmIChibGtfbXFfcnVuX2h3X3F1ZXVlKGhjdHgyLCB0cnVlKSkN Cj4gKwkJCQlyZXR1cm4gdHJ1ZTsNCj4gKwkJcmV0dXJuIGZhbHNlOw0KPiArCX0NCj4gKw0KPiAg CXJldHVybiBibGtfbXFfcnVuX2h3X3F1ZXVlKGhjdHgsIHRydWUpOw0KPiAgfQ0KDQpJdCBzZWVt cyB3ZWlyZCB0byBtZSB0aGF0IG5vIG1hdHRlciBmb3Igd2hpY2ggaGFyZHdhcmUgcXVldWUgYSBy ZXN0YXJ0IGlzDQpyZXF1ZXN0ZWQgKHRoZSBoY3R4IGFyZ3VtZW50KSB0aGF0IHRoZSBhYm92ZSBs b29wIHN0YXJ0cyB3aXRoIGV4YW1pbmluZw0KdGhlIGhhcmR3YXJlIHF1ZXVlIHdpdGggaW5kZXgg MC4gV2lsbCB0aGlzIGNhdXNlIGZhaXJuZXNzIGFuZC9vciBjYWNoZQ0KbGluZSBib3VuY2luZyBw cm9ibGVtcz8NCg0KVGhhbmtzLA0KDQpCYXJ0Lg0KDQoNCg0KDQo=