From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Lemberg Subject: Re: [PATCH] scsi: associate bio write hint with WRITE CDB Date: Thu, 10 Jan 2019 17:33:00 +0000 Message-ID: <1547141575.2982.4.camel@alexl-VirtualBox> References: <20181226041504.66283-1-huangrandall@google.com> <20190103075133.GA5141@infradead.org> <20190103094755.GA96532@google.com> <6152b478ea77dacf57eef6f758ba795f756cd3da.camel@redhat.com> <20190104052251.GA205256@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190104052251.GA205256@google.com> Content-Language: en-US Content-ID: Sender: linux-kernel-owner@vger.kernel.org To: "ihhuang@abmail.org" Cc: "jejb@linux.vnet.ibm.com" , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "huangrandall@google.com" , "martin.petersen@oracle.com" List-Id: linux-scsi@vger.kernel.org SGkgUmFuZGFsbCwNCg0KT24gRnJpLCAyMDE5LTAxLTA0IGF0IDEzOjIyICswODAwLCBSYW5kYWxs IEh1YW5nIHdyb3RlOg0KPiBPbiBUaHUsIEphbiAwMywgMjAxOSBhdCAxMTo1NzozOFBNIC0wNTAw LCBNYXJ0aW4gSy4gUGV0ZXJzZW4gd3JvdGU6DQo+ID4gDQo+ID4gRXdhbiwNCj4gPiANCj4gPiA+ IFNCQy01IHNheXMgdGhhdCBzdXBwb3J0IGZvciB0aGUgZ3JvdXBpbmcgZnVuY3Rpb24gaXMgaW5k aWNhdGVkIGJ5IHRoZQ0KPiA+ID4gR1JPVVBfU1VQIGJpdCBpbiB0aGUgRXh0ZW5kZWQgSW5xdWly eSBWUEQgcGFnZSAoODZoKS4gIEknbSBub3Qgc3VyZQ0KPiA+ID4gaG93IG1hbnkgZGV2aWNlcyBh Y3R1YWxseSBzdXBwb3J0IHRoYXQgcGFnZSB0aG91Z2guICBQcm9iYWJseSBtb3N0DQo+ID4gPiBk b24ndC4NCj4gPiANCj4gPiBTZXZlcmFsIGRldmljZXMgc3VwcG9ydCBpdCwgYWxiZWl0IGZvciB2 YXJpb3VzIGRpZmZlcmVudCBwdXJwb3Nlcy4gSXQncw0KPiA+IG9uZSBvZiB0aGVzZSB3b25kZXJm dWwgZmVhdHVyZXMgd2hvc2UgaW50ZXJwcmV0YXRpb24gd2FzIGxlZnQgb3V0c2lkZQ0KPiA+IHRo ZSBzY29wZSBvZiB0aGUgc3BlYyBmb3IgYSBsb25nIHRpbWUuDQo+ID4gDQo+ID4gU28gZXZlbiB0 aG91Z2ggd2UgYWJzb2x1dGVseSBhbmQgcG9zaXRpdmVseSBuZWVkIHRvIG1ha2Ugc2V0dGluZyBH Uk9VUA0KPiA+IE5VTUJFUiBjb25kaXRpb25hbCBvbiBHUk9VUF9TVVAgYmVpbmcgcmVwb3J0ZWQs IHdlIGFsc28gbmVlZCBhZGRpdGlvbmFsDQo+ID4gaW5mb3JtYXRpb24gZnJvbSB0aGUgc3RvcmFn ZSBhYm91dCBob3cgdGhlIGZpZWxkIHNob3VsZCBiZSBpbnRlcnByZXRlZC4NCj4gPiANCj4gPiBU aGUgb2ZmaWNpYWwgd2F5IHRvIHJlcG9ydCBoaW50aW5nIGlzIGZvciB0aGUgZGV2aWNlIHRvIGlt cGxlbWVudCB0aGUgSU8NCj4gPiBBZHZpY2UgSGludHMgR3JvdXBpbmcgbW9kZSBwYWdlLiBJIHdy b3RlIHNvbWUgY29kZSB0byBzdXBwb3J0IHRoYXQgYnV0DQo+ID4gbm8gdmVuZG9ycyB0aGF0IEkg a25vdyBvZiBlbmRlZCB1cCBhY3R1YWxseSBzaGlwcGluZyBhbiBpbXBsZW1lbnRhdGlvbi4NCj4g PiBBIGZldyBpbXBsZW1lbnRlZCBteSBvbGRlciBJL08gY2xhc3MgcHJvcG9zYWwgYnV0IGRpZG4n dCBzaGlwIHRoYXQNCj4gPiBlaXRoZXIgZGVzcGl0ZSByZWFsbHkgY29udmluY2luZyBwZXJmb3Jt YW5jZSByZXN1bHRzLg0KPiA+IA0KPiA+IElmIFJhbmRhbGwgaGFzIGFjY2VzcyB0byBhIGRldmlj ZSB3aGljaCBpbXBsZW1lbnRzIGhpbnRpbmcsIEknZCBsb3ZlIHRvDQo+ID4ga25vdyBtb3JlLg0K PiBJIGFtIHdvcmtpbmcgb24gQW5kcm9pZCBwaG9uZS4NCj4gVGhlIGlkZWEgaXMgdG8gZW5hYmxl IHdyaXRlIGhpbnQgZm9yIFR1cmJvIHdyaXRlIFVGUyBmZWF0dXJlLg0KPiBUdXJibyB3cml0ZSBm ZWF0dXJlIGluIFVGUyAzLnggaXMgdW5kZXIgZGlzY3Vzc2lvbiBpbiBKRURFQyBKQy02NC4gDQo+ IFRoaXMgcGF0Y2ggaXMgdGhlIHVuZGVyLWx5aW5nIGZyYW1ld29yayBmb3Igc3VwcG9ydGluZyB0 aGlzIGZlYXR1cmUuDQoNCkFzIGZhciBhcyBJIGtub3csIHRoZXJlIGFyZSBtb3JlIHRoYW4gb25l IFR1cmJvIFdyaXRlIGZlYXR1cmUNCnByb3Bvc2FscyBpbiBKRURFQywgd2hpY2ggYXJlIGN1cnJl bnRseSB1bmRlciBkaXNjdXNzaW9uLg0KRm9yIG5vdywgbm90IGFsbCBwcm9wb3NhbHMgYXJlIHVz aW5nIENEQiBieXRlcyBmb3IgZW5hYmxpbmcNClR1cmJvV3JpdGUuDQpTbywgbWF5YmUgbWFraW5n IHRoaXMgY2hhbmdlIGluIFNDU0kgaXMgc3RpbGwgdG9vIGVhcmx5Lg0KDQo+ID4gDQo+ID4gLS0g DQo+ID4gTWFydGluIEsuIFBldGVyc2VuCU9yYWNsZSBMaW51eCBFbmdpbmVlcmluZw0KDQo=