From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kani, Toshimitsu" Subject: Re: [PATCH v6] DAX: enable iostat for read/write Date: Fri, 13 Jan 2017 23:09:58 +0000 Message-ID: <1484352338.2029.7.camel@hpe.com> References: <20170113233418.32252-1-toshi.kani@hpe.com> <20170113145406.b1f065fb7fda67fd18830969@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170113145406.b1f065fb7fda67fd18830969-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org> Content-Language: en-US Content-ID: <787FDB5E94CDFA4ABCDA1E53EC2E4B91-mmYPd6ayCNGroOM5E8FhRbjFIynDaujOfM0AETQt39g@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: "akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org" Cc: "linux-nvdimm-y27Ovi1pjclAfugRpC6u6w@public.gmane.org" , "david-FqsqvQoI3Ljby3iVrkZq2A@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org" , "joe-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org" List-Id: linux-nvdimm@lists.01.org T24gRnJpLCAyMDE3LTAxLTEzIGF0IDE0OjU0IC0wODAwLCBBbmRyZXcgTW9ydG9uIHdyb3RlOg0K PiBPbiBGcmksIDEzIEphbiAyMDE3IDE2OjM0OjE4IC0wNzAwIFRvc2hpIEthbmkgPHRvc2hpLmth bmlAaHBlLmNvbT4NCj4gd3JvdGU6DQo+IA0KPiA+IERBWCBJTyBwYXRoIGRvZXMgbm90IHN1cHBv cnQgaW9zdGF0LCBidXQgaXRzIG1ldGFkYXRhIElPIHBhdGggZG9lcy4NCj4gPiBUaGVyZWZvcmUs IGlvc3RhdCBzaG93cyBtZXRhZGF0YSBJTyBzdGF0aXN0aWNzIG9ubHksIHdoaWNoIGhhcyBiZWVu DQo+ID4gY29uZnVzaW5nIHRvIHVzZXJzLg0KPiA+IA0KPiA+IEFkZCBpb3N0YXQgc3VwcG9ydCB0 byB0aGUgREFYIHJlYWQvd3JpdGUgcGF0aC4NCj4gPiANCj4gPiBOb3RlLCBpb3N0YXQgc3RpbGwg ZG9lcyBub3Qgc3VwcG9ydCB0aGUgREFYIG1tYXAgcGF0aCBhcyBpdCBhbGxvd3MNCj4gPiB1c2Vy IGFwcGxpY2F0aW9ucyB0byBhY2Nlc3MgZGlyZWN0bHkuDQo+ID4gDQo+ID4gLi4uDQo+ID4gDQo+ ID4gLS0tIGEvZnMvZGF4LmMNCj4gPiArKysgYi9mcy9kYXguYw0KPiA+IEBAIC0xMDU4LDEyICsx MDU4LDI0IEBAIGRheF9pb21hcF9ydyhzdHJ1Y3Qga2lvY2IgKmlvY2IsIHN0cnVjdA0KPiA+IGlv dl9pdGVyICppdGVyLA0KPiA+IMKgew0KPiA+IMKgCXN0cnVjdCBhZGRyZXNzX3NwYWNlICptYXBw aW5nID0gaW9jYi0+a2lfZmlscC0+Zl9tYXBwaW5nOw0KPiA+IMKgCXN0cnVjdCBpbm9kZSAqaW5v ZGUgPSBtYXBwaW5nLT5ob3N0Ow0KPiA+ICsJc3RydWN0IGdlbmRpc2sgKmRpc2sgPSBpbm9kZS0+ aV9zYi0+c19iZGV2LT5iZF9kaXNrOw0KPiA+IMKgCWxvZmZfdCBwb3MgPSBpb2NiLT5raV9wb3Ms IHJldCA9IDAsIGRvbmUgPSAwOw0KPiA+IMKgCXVuc2lnbmVkIGZsYWdzID0gMDsNCj4gPiArCXVu c2lnbmVkIGxvbmcgc3RhcnQgPSAwOw0KPiA+ICsJaW50IGRvX2FjY3QgPSBibGtfcXVldWVfaW9f c3RhdChkaXNrLT5xdWV1ZSk7DQo+IA0KPiAoVGhlIHBvb3JseSBuYW1lZCkgYmxrX3F1ZXVlX2lv X3N0YXQoKSBhY3R1YWxseSByZXR1cm5zIGEgYm9vbC7CoMKgVGhpcw0KPiBpcyB3ZWxsIGNvbmNl YWxlZCBiZWNhdXNlIGJsa19xdWV1ZV9pb19zdGF0KCkgaXMgdW5uZWNlc3NhcmlseQ0KPiBpbXBs ZW1lbnRlZCBhcyBhIG1hY3JvICh3aHkgb2ggd2h5KS4NCg0KSXQgd2FzIHVuY2xlYXIgdG8gbWUg d2hhdCB0eXBlIEkgbmVlZGVkIHRvIHVzZS4gIHRlc3RfYml0KCkgaXMgJ2Jvb2wnDQppbiBhcmNo L3g4Ni9pbmNsdWRlL2FzbS9iaXRvcHMuaCBidXQgaXMgJ2ludCcgaW4gIGluY2x1ZGUvYXNtLQ0K Z2VuZXJpYy9iaXRvcHMvbm9uLWF0b21pYy5oLiAgU28sIEkgdXNlZCAnaW50JyBmb3Igc2FmZS4u LiANCg0KVGhhbmtzLA0KLVRvc2hpDQoNCg0KPiANCj4gLS0tIGEvZnMvZGF4LmN+ZGF4LWVuYWJs ZS1pb3N0YXQtZm9yLXJlYWQtd3JpdGUtZml4DQo+ICsrKyBhL2ZzL2RheC5jDQo+IEBAIC0xMDg1 LDcgKzEwODUsNyBAQCBkYXhfaW9tYXBfcncoc3RydWN0IGtpb2NiICppb2NiLCBzdHJ1Y3QNCj4g wqAJbG9mZl90IHBvcyA9IGlvY2ItPmtpX3BvcywgcmV0ID0gMCwgZG9uZSA9IDA7DQo+IMKgCXVu c2lnbmVkIGZsYWdzID0gMDsNCj4gwqAJdW5zaWduZWQgbG9uZyBzdGFydCA9IDA7DQo+IC0JaW50 IGRvX2FjY3QgPSBibGtfcXVldWVfaW9fc3RhdChkaXNrLT5xdWV1ZSk7DQo+ICsJYm9vbCBkb19h Y2N0ID0gYmxrX3F1ZXVlX2lvX3N0YXQoZGlzay0+cXVldWUpOw0KPiDCoA0KPiDCoAlpZiAoaW92 X2l0ZXJfcncoaXRlcikgPT0gV1JJVEUpDQo+IMKgCQlmbGFncyB8PSBJT01BUF9XUklURTsNCj4g Xw0KPiAKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGlu dXgtbnZkaW1tIG1haWxpbmcgbGlzdApMaW51eC1udmRpbW1AbGlzdHMuMDEub3JnCmh0dHBzOi8v bGlzdHMuMDEub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbnZkaW1tCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-co1nam03on0127.outbound.protection.outlook.com ([104.47.40.127]:45362 "EHLO NAM03-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751443AbdAMXKB (ORCPT ); Fri, 13 Jan 2017 18:10:01 -0500 From: "Kani, Toshimitsu" To: "akpm@linux-foundation.org" CC: "linux-kernel@vger.kernel.org" , "linux-nvdimm@ml01.01.org" , "viro@zeniv.linux.org.uk" , "dan.j.williams@intel.com" , "joe@perches.com" , "linux-fsdevel@vger.kernel.org" , "ross.zwisler@linux.intel.com" , "david@fromorbit.com" Subject: Re: [PATCH v6] DAX: enable iostat for read/write Date: Fri, 13 Jan 2017 23:09:58 +0000 Message-ID: <1484352338.2029.7.camel@hpe.com> References: <20170113233418.32252-1-toshi.kani@hpe.com> <20170113145406.b1f065fb7fda67fd18830969@linux-foundation.org> In-Reply-To: <20170113145406.b1f065fb7fda67fd18830969@linux-foundation.org> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <787FDB5E94CDFA4ABCDA1E53EC2E4B91@NAMPRD84.PROD.OUTLOOK.COM> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: T24gRnJpLCAyMDE3LTAxLTEzIGF0IDE0OjU0IC0wODAwLCBBbmRyZXcgTW9ydG9uIHdyb3RlOg0K PiBPbiBGcmksIDEzIEphbiAyMDE3IDE2OjM0OjE4IC0wNzAwIFRvc2hpIEthbmkgPHRvc2hpLmth bmlAaHBlLmNvbT4NCj4gd3JvdGU6DQo+IA0KPiA+IERBWCBJTyBwYXRoIGRvZXMgbm90IHN1cHBv cnQgaW9zdGF0LCBidXQgaXRzIG1ldGFkYXRhIElPIHBhdGggZG9lcy4NCj4gPiBUaGVyZWZvcmUs IGlvc3RhdCBzaG93cyBtZXRhZGF0YSBJTyBzdGF0aXN0aWNzIG9ubHksIHdoaWNoIGhhcyBiZWVu DQo+ID4gY29uZnVzaW5nIHRvIHVzZXJzLg0KPiA+IA0KPiA+IEFkZCBpb3N0YXQgc3VwcG9ydCB0 byB0aGUgREFYIHJlYWQvd3JpdGUgcGF0aC4NCj4gPiANCj4gPiBOb3RlLCBpb3N0YXQgc3RpbGwg ZG9lcyBub3Qgc3VwcG9ydCB0aGUgREFYIG1tYXAgcGF0aCBhcyBpdCBhbGxvd3MNCj4gPiB1c2Vy IGFwcGxpY2F0aW9ucyB0byBhY2Nlc3MgZGlyZWN0bHkuDQo+ID4gDQo+ID4gLi4uDQo+ID4gDQo+ ID4gLS0tIGEvZnMvZGF4LmMNCj4gPiArKysgYi9mcy9kYXguYw0KPiA+IEBAIC0xMDU4LDEyICsx MDU4LDI0IEBAIGRheF9pb21hcF9ydyhzdHJ1Y3Qga2lvY2IgKmlvY2IsIHN0cnVjdA0KPiA+IGlv dl9pdGVyICppdGVyLA0KPiA+IMKgew0KPiA+IMKgCXN0cnVjdCBhZGRyZXNzX3NwYWNlICptYXBw aW5nID0gaW9jYi0+a2lfZmlscC0+Zl9tYXBwaW5nOw0KPiA+IMKgCXN0cnVjdCBpbm9kZSAqaW5v ZGUgPSBtYXBwaW5nLT5ob3N0Ow0KPiA+ICsJc3RydWN0IGdlbmRpc2sgKmRpc2sgPSBpbm9kZS0+ aV9zYi0+c19iZGV2LT5iZF9kaXNrOw0KPiA+IMKgCWxvZmZfdCBwb3MgPSBpb2NiLT5raV9wb3Ms IHJldCA9IDAsIGRvbmUgPSAwOw0KPiA+IMKgCXVuc2lnbmVkIGZsYWdzID0gMDsNCj4gPiArCXVu c2lnbmVkIGxvbmcgc3RhcnQgPSAwOw0KPiA+ICsJaW50IGRvX2FjY3QgPSBibGtfcXVldWVfaW9f c3RhdChkaXNrLT5xdWV1ZSk7DQo+IA0KPiAoVGhlIHBvb3JseSBuYW1lZCkgYmxrX3F1ZXVlX2lv X3N0YXQoKSBhY3R1YWxseSByZXR1cm5zIGEgYm9vbC7CoMKgVGhpcw0KPiBpcyB3ZWxsIGNvbmNl YWxlZCBiZWNhdXNlIGJsa19xdWV1ZV9pb19zdGF0KCkgaXMgdW5uZWNlc3NhcmlseQ0KPiBpbXBs ZW1lbnRlZCBhcyBhIG1hY3JvICh3aHkgb2ggd2h5KS4NCg0KSXQgd2FzIHVuY2xlYXIgdG8gbWUg d2hhdCB0eXBlIEkgbmVlZGVkIHRvIHVzZS4gIHRlc3RfYml0KCkgaXMgJ2Jvb2wnDQppbiBhcmNo L3g4Ni9pbmNsdWRlL2FzbS9iaXRvcHMuaCBidXQgaXMgJ2ludCcgaW4gIGluY2x1ZGUvYXNtLQ0K Z2VuZXJpYy9iaXRvcHMvbm9uLWF0b21pYy5oLiAgU28sIEkgdXNlZCAnaW50JyBmb3Igc2FmZS4u LiANCg0KVGhhbmtzLA0KLVRvc2hpDQoNCg0KPiANCj4gLS0tIGEvZnMvZGF4LmN+ZGF4LWVuYWJs ZS1pb3N0YXQtZm9yLXJlYWQtd3JpdGUtZml4DQo+ICsrKyBhL2ZzL2RheC5jDQo+IEBAIC0xMDg1 LDcgKzEwODUsNyBAQCBkYXhfaW9tYXBfcncoc3RydWN0IGtpb2NiICppb2NiLCBzdHJ1Y3QNCj4g wqAJbG9mZl90IHBvcyA9IGlvY2ItPmtpX3BvcywgcmV0ID0gMCwgZG9uZSA9IDA7DQo+IMKgCXVu c2lnbmVkIGZsYWdzID0gMDsNCj4gwqAJdW5zaWduZWQgbG9uZyBzdGFydCA9IDA7DQo+IC0JaW50 IGRvX2FjY3QgPSBibGtfcXVldWVfaW9fc3RhdChkaXNrLT5xdWV1ZSk7DQo+ICsJYm9vbCBkb19h Y2N0ID0gYmxrX3F1ZXVlX2lvX3N0YXQoZGlzay0+cXVldWUpOw0KPiDCoA0KPiDCoAlpZiAoaW92 X2l0ZXJfcncoaXRlcikgPT0gV1JJVEUpDQo+IMKgCQlmbGFncyB8PSBJT01BUF9XUklURTsNCj4g Xw0KPiA=