From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa2.hgst.iphmx.com ([68.232.143.124]:10373 "EHLO esa2.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751069AbdHVU5w (ORCPT ); Tue, 22 Aug 2017 16:57:52 -0400 From: Bart Van Assche To: "hch@infradead.org" , "linux-block@vger.kernel.org" , "axboe@fb.com" , "ming.lei@redhat.com" CC: "loberman@redhat.com" Subject: Re: [PATCH V2 05/20] blk-mq-sched: improve dispatching from sw queue Date: Tue, 22 Aug 2017 20:57:03 +0000 Message-ID: <1503435422.2508.24.camel@wdc.com> References: <20170805065705.12989-1-ming.lei@redhat.com> <20170805065705.12989-6-ming.lei@redhat.com> In-Reply-To: <20170805065705.12989-6-ming.lei@redhat.com> 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 T24gU2F0LCAyMDE3LTA4LTA1IGF0IDE0OjU2ICswODAwLCBNaW5nIExlaSB3cm90ZToNCj4gK3N0 YXRpYyBpbmxpbmUgdm9pZCBibGtfbXFfZG9fZGlzcGF0Y2hfY3R4KHN0cnVjdCByZXF1ZXN0X3F1 ZXVlICpxLA0KPiArCQkJCQkgIHN0cnVjdCBibGtfbXFfaHdfY3R4ICpoY3R4KQ0KPiArew0KPiAr CUxJU1RfSEVBRChycV9saXN0KTsNCj4gKwlzdHJ1Y3QgYmxrX21xX2N0eCAqY3R4ID0gTlVMTDsN Cj4gKw0KPiArCWRvIHsNCj4gKwkJc3RydWN0IHJlcXVlc3QgKnJxOw0KPiArDQo+ICsJCXJxID0g YmxrX21xX2Rpc3BhdGNoX3JxX2Zyb21fY3R4KGhjdHgsIGN0eCk7DQo+ICsJCWlmICghcnEpDQo+ ICsJCQlicmVhazsNCj4gKwkJbGlzdF9hZGQoJnJxLT5xdWV1ZWxpc3QsICZycV9saXN0KTsNCj4g Kw0KPiArCQkvKiByb3VuZCByb2JpbiBmb3IgZmFpciBkaXNwYXRjaCAqLw0KPiArCQljdHggPSBi bGtfbXFfbmV4dF9jdHgoaGN0eCwgcnEtPm1xX2N0eCk7DQo+ICsJfSB3aGlsZSAoYmxrX21xX2Rp c3BhdGNoX3JxX2xpc3QocSwgJnJxX2xpc3QpKTsNCj4gK30NCg0KQW4gYWRkaXRpb25hbCBxdWVz dGlvbiBhYm91dCB0aGlzIHBhdGNoOiBzaG91bGRuJ3QgcmVxdWVzdCBkZXF1ZXVpbmcgc3RhcnQN CmF0IHRoZSBzb2Z0d2FyZSBxdWV1ZSBuZXh0IHRvIHRoZSBsYXN0IG9uZSBmcm9tIHdoaWNoIGEg cmVxdWVzdCBnb3QgZGVxdWV1ZWQNCmluc3RlYWQgb2YgYWx3YXlzIHN0YXJ0aW5nIGF0IHRoZSBm aXJzdCBzb2Z0d2FyZSBxdWV1ZSAoc3RydWN0IGJsa19tcV9jdHgNCipjdHggPSBOVUxMKSB0byBi ZSB0cnVseSByb3VuZCByb2Jpbj8NCg0KVGhhbmtzLA0KDQpCYXJ0Lg==