From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-cys01nam02on0121.outbound.protection.outlook.com ([104.47.37.121]:3680 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755071AbcJNTUS (ORCPT ); Fri, 14 Oct 2016 15:20:18 -0400 From: "Kani, Toshimitsu" To: "dan.j.williams@intel.com" CC: "viro@zeniv.linux.org.uk" , "ross.zwisler@linux.intel.com" , "linux-nvdimm@lists.01.org" , "linux-kernel@vger.kernel.org" , "akpm@linux-foundation.org" , "linux-fsdevel@vger.kernel.org" Subject: Re: [PATCH] DAX: enable iostat for read/write Date: Fri, 14 Oct 2016 18:47:36 +0000 Message-ID: <1476470760.20881.63.camel@hpe.com> References: <1476465913-25305-1-git-send-email-toshi.kani@hpe.com> In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <6B877BA1E93E4A41828FD5338365FA20@NAMPRD84.PROD.OUTLOOK.COM> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: T24gRnJpLCAyMDE2LTEwLTE0IGF0IDEwOjM1IC0wNzAwLCBEYW4gV2lsbGlhbXMgd3JvdGU6DQo+ IE9uIEZyaSwgT2N0IDE0LCAyMDE2IGF0IDEwOjI1IEFNLCBUb3NoaSBLYW5pIDx0b3NoaS5rYW5p QGhwZS5jb20+DQo+IHdyb3RlOg0KPiA+IA0KPiA+IERBWCBJTyBwYXRoIGRvZXMgbm90IHN1cHBv cnQgaW9zdGF0LCBidXQgaXRzIG1ldGFkYXRhIElPIHBhdGggZG9lcy4NCj4gPiBUaGVyZWZvcmUs IGlvc3RhdCBzaG93cyBtZXRhZGF0YSBJTyBzdGF0aXN0aWNzIG9ubHksIHdoaWNoIGhhcyBiZWVu DQo+ID4gY29uZnVzaW5nIHRvIHVzZXJzLg0KPiA+IA0KPiA+IEFkZCBpb3N0YXQgc3VwcG9ydCB0 byB0aGUgREFYIHJlYWQvd3JpdGUgcGF0aC4NCj4gPiANCj4gPiBOb3RlLCBpb3N0YXQgc3RpbGwg ZG9lcyBub3Qgc3VwcG9ydCB0aGUgREFYIG1tYXAgcGF0aCBhcyBpdCBhbGxvd3MNCj4gPiB1c2Vy IGFwcGxpY2F0aW9ucyB0byBhY2Nlc3MgZGlyZWN0bHkuDQo+ID4gDQo+ID4gU2lnbmVkLW9mZi1i eTogVG9zaGkgS2FuaSA8dG9zaGkua2FuaUBocGUuY29tPg0KPiA+IENjOiBBbmRyZXcgTW9ydG9u IDxha3BtQGxpbnV4LWZvdW5kYXRpb24ub3JnPg0KPiA+IENjOiBBbGV4YW5kZXIgVmlybyA8dmly b0B6ZW5pdi5saW51eC5vcmcudWs+DQo+ID4gQ2M6IERhbiBXaWxsaWFtcyA8ZGFuLmoud2lsbGlh bXNAaW50ZWwuY29tPg0KPiA+IENjOiBSb3NzIFp3aXNsZXIgPHJvc3Muendpc2xlckBsaW51eC5p bnRlbC5jb20+DQo+ID4gLS0tDQo+ID4gwqBmcy9kYXguYyB8wqDCoMKgMzcgKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKw0KPiA+IMKgMSBmaWxlIGNoYW5nZWQsIDM3IGluc2Vy dGlvbnMoKykNCj4gPiANCj4gPiBkaWZmIC0tZ2l0IGEvZnMvZGF4LmMgYi9mcy9kYXguYw0KPiA+ IGluZGV4IDAxNGRlZmQuLjNhYWFhYzIgMTAwNjQ0DQo+ID4gLS0tIGEvZnMvZGF4LmMNCj4gPiAr KysgYi9mcy9kYXguYw0KPiA+IEBAIC0xNDQsNiArMTQ0LDM0IEBAIHN0YXRpYyBzZWN0b3JfdCB0 b19zZWN0b3IoY29uc3Qgc3RydWN0DQo+ID4gYnVmZmVyX2hlYWQgKmJoLA0KPiA+IMKgwqDCoMKg wqDCoMKgwqByZXR1cm4gc2VjdG9yOw0KPiA+IMKgfQ0KPiA+IA0KPiA+ICtzdGF0aWMgdm9pZCBk YXhfaW9zdGF0X3N0YXJ0KHN0cnVjdCBnZW5kaXNrICpkaXNrLCBzdHJ1Y3QgaW92X2l0ZXINCj4g PiAqaXRlciwNCj4gPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqB1bnNpZ25lZCBsb25nICpzdGFydCkNCj4gPiArew0KPiA+ICvCoMKgwqDC oMKgwqDCoGludCBydyA9IGlvdl9pdGVyX3J3KGl0ZXIpOw0KPiA+ICvCoMKgwqDCoMKgwqDCoGlu dCBzZWMgPSBpb3ZfaXRlcl9jb3VudChpdGVyKSA+PiA5Ow0KPiANCj4gU2hvdWxkIHRoaXMgYmUg YSBtaW5pbXVtIG9mIG9uZSBzZWN0b3Igc2luY2Ugd2UgYWxsb3cgdW5hbGlnbmVkDQo+IHRyYW5z ZmVycyB0aHJvdWdoIHRoaXMgaW50ZXJmYWNlPw0KPiANCj4gLi4ub3IgaXMgaW92X2l0ZXJfY291 bnQoKSBzb21laG93IGd1YXJhbnRlZWQgdG8gYmUgc2VjdG9yIGFsaWduZWQNCj4gaGVyZT8NCg0K WW91IGFyZSByaWdodC4gSSB3aWxsIHVwZGF0ZSB0byBzZXQgYSBtaW5pbXVtIG9mIG9uZSBzZWN0 b3IgaW4gdjIuwqANCg0KVGhhbmtzIQ0KLVRvc2hp