From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "axboe@kernel.dk" , "ming.lei@redhat.com" CC: Bart Van Assche , "hch@infradead.org" , "linux-block@vger.kernel.org" , "martin.petersen@oracle.com" Subject: Re: [PATCH v5 00/12] blk-mq: fix & improve queue quiescing Date: Sun, 18 Jun 2017 23:05:50 +0000 Message-ID: <1497827149.16169.1.camel@wdc.com> References: <20170606152210.22806-1-ming.lei@redhat.com> <08a2b32d-866e-a71f-4ac6-9c131edb88e2@fb.com> <20170613021518.GB15043@ming.t460p> <20170618202604.GA14417@kernel.dk> In-Reply-To: <20170618202604.GA14417@kernel.dk> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gU3VuLCAyMDE3LTA2LTE4IGF0IDE0OjI2IC0wNjAwLCBKZW5zIEF4Ym9lIHdyb3RlOg0KPiBP biBUdWUsIEp1biAxMyAyMDE3LCBNaW5nIExlaSB3cm90ZToNCj4gPiBJZiB5b3UgYXJlIGZpbmUg d2l0aCAzLTEyLCBjb3VsZCB5b3UgY29uc2lkZXIgaXQgZm9yIHY0LjEzPw0KPiA+IA0KPiA+IFRo ZSBmaXhlcyBvbiB1c2VzIG9mIGJsa19tcV90YWdzZXRfYnVzeV9pdGVyKCkgZGVwZW5kcyBvbg0K PiA+IHRoaXMgcGF0Y2hzZXQuDQo+IA0KPiBZZXMsIEkgdGhpbmsgaXQgbG9va3MgZmluZS4gSSd2 ZSBhcHBsaWVkIHRoZSByZXN0LCBleGNlcHQgdGhlIG52bWUNCj4gcGF0Y2gsIHdoaWNoIG5vIGxv bmdlciBhcHBsaWVzIHNpbmNlIHN0YXJ0L3N0b3AgY2hhbmdlcyBoYXZlIGJlZW4gbWFkZQ0KPiB0 aGVyZS4gUGxlYXNlIHJlc2VuZCB0aGF0IG9uZSBhZ2FpbnN0IGZvci00LjEzL2Jsb2NrLCB0aGFu a3MuDQoNCkhlbGxvIEplbnMsDQoNCkFyZSB5b3UgYXdhcmUgdGhhdCB0aGVzZSBjaGFuZ2VzIGNv bmZsaWN0IHdpdGggTWFydGluJ3MgNC4xMy9zY3NpLXF1ZXVlDQpicmFuY2g/IFdobyBzaG91bGQg d29yayBvbiByZXNvbHZpbmcgdGhpcyBjb25mbGljdD8NCg0KJCBnaXQgY2hlY2tvdXQgbWtwLXNj c2kvNC4xMy9zY3NpLXF1ZXVlIC1iIG1rcC1zY3NpLWZvci12NC4xMw0KJCBnaXQgZmV0Y2ggYXhi b2UtYmxvY2sNCiQgZ2l0IG1lcmdlIGF4Ym9lLWJsb2NrL2Zvci00LjEzL2Jsb2NrDQpSZW1vdmlu ZyBmcy94ZnMvdXVpZC5oDQpSZW1vdmluZyBmcy94ZnMvdXVpZC5jDQpBdXRvLW1lcmdpbmcgZHJp dmVycy9zY3NpL3Njc2lfbGliLmMNCkNPTkZMSUNUIChjb250ZW50KTogTWVyZ2UgY29uZmxpY3Qg aW4gZHJpdmVycy9zY3NpL3Njc2lfbGliLmMNCkF1dG8tbWVyZ2luZyBkcml2ZXJzL3Njc2kvc2Nz aV9lcnJvci5jDQpBdXRvbWF0aWMgbWVyZ2UgZmFpbGVkOyBmaXggY29uZmxpY3RzIGFuZCB0aGVu IGNvbW1pdCB0aGUgcmVzdWx0Lg0KJCBQQUdFUj0gZ2l0IGRpZmYgIA0KZGlmZiAtLWNjIGRyaXZl cnMvc2NzaS9zY3NpX2xpYi5jDQppbmRleCA0MWMxOWM3NWRhYjQsZmIxOGVkMjg0ZTU1Li4wMDAw MDAwMDAwMDANCi0tLSBhL2RyaXZlcnMvc2NzaS9zY3NpX2xpYi5jDQorKysgYi9kcml2ZXJzL3Nj c2kvc2NzaV9saWIuYw0KQEBAIC0yOTg5LDcgLTI5NTksMTAgKzI5NzQsMTQgQEBAIGludCBzY3Np X2ludGVybmFsX2RldmljZV9ibG9ja19ub3dhaXQocw0KICAJICogcmVxdWVzdCBxdWV1ZS4gDQog IAkgKi8NCiAgCWlmIChxLT5tcV9vcHMpIHsNCisrPDw8PDw8PCBIRUFEDQogKwkJYmxrX21xX3N0 b3BfaHdfcXVldWVzKHEpOw0KKys9PT09PT09DQorIAkJaWYgKHdhaXQpDQorIAkJCWJsa19tcV9x dWllc2NlX3F1ZXVlKHEpOw0KKyAJCWVsc2UNCisgCQkJYmxrX21xX3F1aWVzY2VfcXVldWVfbm93 YWl0KHEpOw0KKys+Pj4+Pj4+IGF4Ym9lLWJsb2NrL2Zvci00LjEzL2Jsb2NrDQogIAl9IGVsc2Ug ew0KICAJCXNwaW5fbG9ja19pcnFzYXZlKHEtPnF1ZXVlX2xvY2ssIGZsYWdzKTsNCiAgCQlibGtf c3RvcF9xdWV1ZShxKTsNCkBAQCAtMzA4Niw3IC0zMDE1LDEzICszMDc4LDE3IEBAQCBpbnQgc2Nz aV9pbnRlcm5hbF9kZXZpY2VfdW5ibG9ja19ub3dhaXQNCiAgCQkgc2Rldi0+c2Rldl9zdGF0ZSAh PSBTREVWX09GRkxJTkUpDQogIAkJcmV0dXJuIC1FSU5WQUw7DQogIA0KKys8PDw8PDw8IEhFQUQN CiArCXNjc2lfc3RhcnRfcXVldWUoc2Rldik7DQorKz09PT09PT0NCisgCWlmIChxLT5tcV9vcHMp IHsNCisgCQlibGtfbXFfdW5xdWllc2NlX3F1ZXVlKHEpOw0KKyAJfSBlbHNlIHsNCisgCQlzcGlu X2xvY2tfaXJxc2F2ZShxLT5xdWV1ZV9sb2NrLCBmbGFncyk7DQorIAkJYmxrX3N0YXJ0X3F1ZXVl KHEpOw0KKyAJCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUocS0+cXVldWVfbG9jaywgZmxhZ3MpOw0K KyAJfQ0KKys+Pj4+Pj4+IGF4Ym9lLWJsb2NrL2Zvci00LjEzL2Jsb2NrDQogIA0KICAJcmV0dXJu IDA7DQogIH0NCg0KQmFydC4=