From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH] Improve requeuing behavior Date: Thu, 24 Aug 2017 16:14:22 +0000 Message-ID: <1503591261.2702.9.camel@wdc.com> References: <20170823210535.1072-1-bart.vanassche@wdc.com> <20170824120944.GB23186@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from esa2.hgst.iphmx.com ([68.232.143.124]:34972 "EHLO esa2.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752940AbdHXQPJ (ORCPT ); Thu, 24 Aug 2017 12:15:09 -0400 In-Reply-To: <20170824120944.GB23186@lst.de> Content-Language: en-US Content-ID: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "hch@lst.de" Cc: "jejb@linux.vnet.ibm.com" , "linux-scsi@vger.kernel.org" , "hare@suse.com" , "jthumshirn@suse.de" , "martin.petersen@oracle.com" , "brking@linux.vnet.ibm.com" T24gVGh1LCAyMDE3LTA4LTI0IGF0IDE0OjA5ICswMjAwLCBDaHJpc3RvcGggSGVsbHdpZyB3cm90 ZToNCj4gT24gV2VkLCBBdWcgMjMsIDIwMTcgYXQgMDI6MDU6MzVQTSAtMDcwMCwgQmFydCBWYW4g QXNzY2hlIHdyb3RlOg0KPiA+IFJlcXVlc3RzIGFyZSB1bnByZXBhcmVkIGFuZCByZXByZXBhcmVk IHdoZW4gYmVpbmcgcmVxdWV1ZWQuIEF2b2lkDQo+ID4gdGhhdCByZXF1ZXVpbmcgcmVzZXRzIC5q aWZmaWVzX2F0X2FsbG9jIGFuZCAucmV0cmllcyBieSBpbml0aWFsaXppbmcNCj4gPiB0aGVzZSB0 d28gbWVtYmVyIHZhcmlhYmxlcyBmcm9tIGluc2lkZSBibGtfZ2V0X3JlcXVlc3QoKSBhbmQgYnkN Cj4gPiBwcmVzZXJ2aW5nIGJvdGggbWVtYmVyIHZhcmlhYmxlcyB3aGVuIHByZXBhcmluZyBhIHJl cXVlc3QuIFRoaXMgcGF0Y2gNCj4gPiBhZmZlY3RzIHRoZSByZXF1ZXVpbmcgYmVoYXZpb3Igb2Yg c2NzaS1zcSBhbmQgc2NzaS1tcS4NCj4gPiANCj4gPiBSZXBvcnRlZC1ieTogQnJpYW4gS2luZyA8 YnJraW5nQGxpbnV4LnZuZXQuaWJtLmNvbT4NCj4gPiBSZWZlcmVuY2VzOiBodHRwczovL2xrbWwu b3JnL2xrbWwvMjAxNy84LzE4LzkyMyAoIlJlOiBbQlVHXVtiaXNlY3RlZCAyNzAwNjVlXSBsaW51 eC1uZXh0IGZhaWxzIHRvIGJvb3Qgb24gcG93ZXJwYyIpDQo+ID4gU2lnbmVkLW9mZi1ieTogQmFy dCBWYW4gQXNzY2hlIDxiYXJ0LnZhbmFzc2NoZUB3ZGMuY29tPg0KPiA+IENjOiBCcmlhbiBLaW5n IDxicmtpbmdAbGludXgudm5ldC5pYm0uY29tPg0KPiA+IENjOiBIYW5uZXMgUmVpbmVja2UgPGhh cmVAc3VzZS5jb20+DQo+ID4gQ2M6IENocmlzdG9waCBIZWxsd2lnIDxoY2hAbHN0LmRlPg0KPiA+ IENjOiBKb2hhbm5lcyBUaHVtc2hpcm4gPGp0aHVtc2hpcm5Ac3VzZS5kZT4NCj4gPiAtLS0NCj4g PiAgZHJpdmVycy9zY3NpL3Njc2lfbGliLmMgfCA3ICsrKysrKy0NCj4gPiAgMSBmaWxlIGNoYW5n ZWQsIDYgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQ0KPiA+IA0KPiA+IGRpZmYgLS1naXQg YS9kcml2ZXJzL3Njc2kvc2NzaV9saWIuYyBiL2RyaXZlcnMvc2NzaS9zY3NpX2xpYi5jDQo+ID4g aW5kZXggZWJjNWM3MTNlZTM3Li44ZDFlYzFlN2IwZTIgMTAwNjQ0DQo+ID4gLS0tIGEvZHJpdmVy cy9zY3NpL3Njc2lfbGliLmMNCj4gPiArKysgYi9kcml2ZXJzL3Njc2kvc2NzaV9saWIuYw0KPiA+ IEBAIC0xMTIyLDYgKzExMjIsOCBAQCB2b2lkIHNjc2lfaW5pdGlhbGl6ZV9ycShzdHJ1Y3QgcmVx dWVzdCAqcnEpDQo+ID4gIAlzdHJ1Y3Qgc2NzaV9jbW5kICpjbWQgPSBibGtfbXFfcnFfdG9fcGR1 KHJxKTsNCj4gPiAgDQo+ID4gIAlzY3NpX3JlcV9pbml0KCZjbWQtPnJlcSk7DQo+ID4gKwljbWQt PmppZmZpZXNfYXRfYWxsb2MgPSBqaWZmaWVzOw0KPiA+ICsJY21kLT5yZXRyaWVzID0gMDsNCj4g PiAgfQ0KPiA+ICBFWFBPUlRfU1lNQk9MKHNjc2lfaW5pdGlhbGl6ZV9ycSk7DQo+IA0KPiBIb3cg aXMgdGhpcyB3b3JraW5nIGZvciBub24tcGFzc3Rocm91Z2ggY29tbWFuZHMgd2hlcmUgd2UgZG9u J3QNCj4gY2FsbCBzY3NpX2luaXRpYWxpemVfcnE/DQoNCkhlbGxvIENocmlzdG9waCwNCg0KQ29t bWl0IGNhMThkNmY3NjlkMiAoImJsb2NrOiBNYWtlIG1vc3Qgc2NzaV9yZXFfaW5pdCgpIGNhbGxz IGltcGxpY2l0IikNCmludHJvZHVjZWQgdGhlIHNjc2lfaW5pdGlhbGl6ZV9ycSgpIGZ1bmN0aW9u IGluIHN1Y2ggYSB3YXkgdGhhdCBpdCBpcyBub3Qgb25seQ0KY2FsbGVkIGZvciBwYXNzLXRocm91 Z2ggcmVxdWVzdHMgYnV0IGFsc28gZm9yIEZTIHJlcXVlc3RzLiBCZWNhdXNlIHRoYXQgY29tbWl0 DQpzZXRzIC5pbml0aWFsaXplX3JxX2ZuIGZvciBib3RoIGJsay1zcSBhbmQgYmxrLW1xIGJsa19n ZXRfcmVxdWVzdCgpIG5vdyBjYWxscw0Kc2NzaV9pbml0aWFsaXplX3JxKCkgZm9yIGFsbCBTQ1NJ IHJlcXVlc3RzLiBPciBkaWQgSSBwZXJoYXBzIG92ZXJsb29rIHNvbWV0aGluZz8NCg0KQmFydC4=