From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH V7 2/6] block: tracking request allocation with q_usage_counter Date: Mon, 2 Oct 2017 16:01:34 +0000 Message-ID: <1506960093.3368.21.camel@wdc.com> References: <20170930061214.10622-1-ming.lei@redhat.com> <20170930061214.10622-3-ming.lei@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170930061214.10622-3-ming.lei@redhat.com> Content-Language: en-US Content-ID: <7FF5B73D0B66DC47B4ABED19655D30E2@namprd04.prod.outlook.com> Sender: linux-kernel-owner@vger.kernel.org To: "linux-scsi@vger.kernel.org" , "hch@infradead.org" , "jejb@linux.vnet.ibm.com" , "linux-block@vger.kernel.org" , "axboe@fb.com" , "ming.lei@redhat.com" , "martin.petersen@oracle.com" Cc: Bart Van Assche , "martin@lichtvoll.de" , "linux-kernel@vger.kernel.org" , "jthumshirn@suse.de" , "oleksandr@natalenko.name" , "hare@suse.com" , "cavery@redhat.com" List-Id: linux-scsi@vger.kernel.org T24gU2F0LCAyMDE3LTA5LTMwIGF0IDE0OjEyICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gQEAg LTEzOTUsMTYgKzE0MDEsMjEgQEAgc3RhdGljIHN0cnVjdCByZXF1ZXN0ICpibGtfb2xkX2dldF9y ZXF1ZXN0KHN0cnVjdCByZXF1ZXN0X3F1ZXVlICpxLA0KPiAgCQkJCQkgICB1bnNpZ25lZCBpbnQg b3AsIGdmcF90IGdmcF9tYXNrKQ0KPiAgew0KPiAgCXN0cnVjdCByZXF1ZXN0ICpycTsNCj4gKwlp bnQgcmV0ID0gMDsNCj4gIA0KPiAgCVdBUk5fT05fT05DRShxLT5tcV9vcHMpOw0KPiAgDQo+ICAJ LyogY3JlYXRlIGlvYyB1cGZyb250ICovDQo+ICAJY3JlYXRlX2lvX2NvbnRleHQoZ2ZwX21hc2ss IHEtPm5vZGUpOw0KPiAgDQo+ICsJcmV0ID0gYmxrX3F1ZXVlX2VudGVyKHEsICEoZ2ZwX21hc2sg JiBfX0dGUF9ESVJFQ1RfUkVDTEFJTSkpOw0KPiArCWlmIChyZXQpDQo+ICsJCXJldHVybiBFUlJf UFRSKHJldCk7DQoNCkNhbiB0aGUgYWJvdmUgYmxrX3F1ZXVlX2VudGVyKCkgY2FsbCBibG9jayBp ZiB0aGUgUkVRX05PV0FJVCBmbGFnIGhhcyBiZWVuDQpzZXQgaW4gdGhlIG9wIGFyZ3VtZW50IGFu ZCBlLmcuIGdmcF9tYXNrID09IEdGUF9LRVJORUw/IElmIHNvLCBpc24ndCB0aGF0IGENCmJ1Zz8N Cg0KQmFydC4=