Return-Path: Received: from us-smtp-delivery-194.mimecast.com ([63.128.21.194]:30895 "EHLO us-smtp-delivery-194.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751037AbdHRQkD (ORCPT ); Fri, 18 Aug 2017 12:40:03 -0400 From: Trond Myklebust To: "chuck.lever@oracle.com" CC: "linux-nfs@vger.kernel.org" Subject: Re: NFSv4: cinfo->atomic and file creation Date: Fri, 18 Aug 2017 16:39:58 +0000 Message-ID: <1503074395.44656.14.camel@primarydata.com> References: <33567B9C-C04A-436F-A4F6-F5AB745D3323@oracle.com> In-Reply-To: <33567B9C-C04A-436F-A4F6-F5AB745D3323@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gRnJpLCAyMDE3LTA2LTA5IGF0IDE0OjA0IC0wNDAwLCBDaHVjayBMZXZlciB3cm90ZToNCj4g SGkgVHJvbmQtDQo+IA0KPiBBcyB3ZSBkaXNjdXNzZWQgeWVzdGVyZGF5LCBJJ20gY29uY2VybmVk IGFib3V0IHRoZSB0ZXN0IGluDQo+IF9uZnM0X3Byb2Nfb3BlbiB0aGF0IHVzZXMgdGhlIHZhbHVl cyBvZiB0aGUgY2luZm8uYmVmb3JlIGFuZA0KPiBjaW5mby5hZnRlciBmaWVsZHMgd2l0aG91dCBj aGVja2luZyBjaW5mby5hdG9taWMuDQo+IA0KPiAyMjg4ICAgICAgICAgaWYgKG9fYXJnLT5vcGVu X2ZsYWdzICYgT19DUkVBVCkgew0KPiAyMjg5ICAgICAgICAgICAgICAgICBpZiAob19hcmctPm9w ZW5fZmxhZ3MgJiBPX0VYQ0wpDQo+IDIyOTAgICAgICAgICAgICAgICAgICAgICAgICAgZGF0YS0+ ZmlsZV9jcmVhdGVkID0gMTsNCj4gMjI5MSAgICAgICAgICAgICAgICAgZWxzZSBpZiAob19yZXMt PmNpbmZvLmJlZm9yZSAhPSBvX3Jlcy0NCj4gPmNpbmZvLmFmdGVyKQ0KPiAyMjkyICAgICAgICAg ICAgICAgICAgICAgICAgIGRhdGEtPmZpbGVfY3JlYXRlZCA9IDE7DQo+IDIyOTMgICAgICAgICAg ICAgICAgIGlmIChkYXRhLT5maWxlX2NyZWF0ZWQgfHwgZGlyLT5pX3ZlcnNpb24gIT0NCj4gb19y ZXMtPmNpbmZvLmFmdGVyKQ0KPiAyMjk0ICAgICAgICAgICAgICAgICAgICAgICAgIHVwZGF0ZV9j aGFuZ2VhdHRyKGRpciwgJm9fcmVzLT5jaW5mbywNCj4gMjI5NSAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgb19yZXMtPmZfYXR0ci0NCj4gPnRpbWVfc3RhcnQpOw0KPiAy Mjk2ICAgICAgICAgfQ0KPiANCj4gTGluZSAyMjkxIGlzIHRoZSBpc3N1ZS4NCj4gDQo+IFN1cHBv c2UgdGhlIHNlcnZlciBmaWxlc3lzdGVtIHN1YnN0aXR1dGVzIGEgd2VhayBjdGltZSBmb3INCj4g dGhlIGNoYW5nZSBhdHRyaWJ1dGUuIFNvbWV0aW1lcyB3aGVuIGEgZmlsZSBpcyBzdWNjZXNzZnVs bHkNCj4gY3JlYXRlZCBvbiB0aGUgc2VydmVyLCB0aGUgY3RpbWUgb2YgdGhlIHBhcmVudCBkb2Vz bid0DQo+IGNoYW5nZS4gVGhpcyB0ZXN0IHRoZW4gZmFpbHMgYW5kIGxlYXZlcyBmaWxlX2NyZWF0 ZWQgc2V0DQo+IHRvIHplcm8uDQoNCkEgc2VydmVyIHdoaWNoIHVzZXMgYSBjdGltZSB3aXRoIGlu c3VmZmljaWVudCByZXNvbHV0aW9uIGlzIGluDQp2aW9sYXRpb24gb2YgdGhlIHJlcXVpcmVtZW50 cyBmb3IgYSBjaGFuZ2UgYXR0cmlidXRlLiBUaGUgc3BlYw0KZXhwbGljaXRseSBkaXNhbGxvd3Mg aXQgaW4gaHR0cHM6Ly90b29scy5pZXRmLm9yZy9odG1sL3JmYzU2NjEjc2VjdGlvbi0NCjUuOC4x LjQNCg0KSU9XOiB0aGUgcmVtYWluZGVyIG9mIHRoZSBzcGVjIChpbmNsdWRpbmcgdGhlIGRlZmlu aXRpb24gb2YgT1BFTikgZG9lcw0KZXhwZWN0IHRoYXQgeW91IGNhbiByZWx5IG9uIHRoZSBjaGFu Z2UgYXR0cmlidXRlIGZvciBkZXRlY3RpbmcgZmlsZQ0KY2hhbmdlcy4NCg0KPiBMYXRlciwgbmZz NF9vcGVuZGF0YV9hY2Nlc3MgbG9va3MgYXQgZmlsZV9jcmVhdGVkLiBJZiBub3QNCj4gc2V0LCB0 aGUgYWNjZXNzIGNoZWNrIGZhaWxzIGFuZCBvcGVuKDIpIHJldHVybnMgRUFDQ0VTIGFzDQo+IGEg cmVzdWx0LCBldmVuIHRob3VnaCB0aGUgZmlsZSB3YXMgY3JlYXRlZCBzdWNjZXNzZnVsbHkNCj4g YW5kIE9QRU4gcmV0dXJuZWQgTkZTNF9PSy4NCj4gDQo+IFlvdSBtZW50aW9uZWQgdGhhdCB0aGUg c2VydmVyIHNob3VsZCBzZXQgY2luZm8uYXRvbWljIHRvDQo+IGJlIGZhbHNlIHdoZW4gYSB3ZWFr IGN0aW1lIGlzIHVzZWQgYXMgdGhlIGNoYW5nZSBhdHRyaWJ1dGUuDQo+IFdpbGwgdGhhdCBoZWxw IGluIHRoaXMgY2FzZT8NCg0KTm8uIFRoZSBjaW5mby5hdG9taWMgZmxhZyBpcyB0aGVyZSB0byBs ZXQgeW91IGtub3cgdGhhdCB0aGUgY2hhbmdlIHlvdQ0KYXJlIHNlZWluZyBpbiB0aGUgZGlyZWN0 b3J5IHdhcyBjYXVzZWQgYnkgdGhlIG9wZXJhdGlvbiB0aGF0IGp1c3QNCmV4ZWN1dGVkLiBJZiBp dCBpcyBzZXQgdG8gImZhbHNlIiB0aGVuIHRoYXQgZG9lcyBub3QgcmVhbGx5IHRlbGwgeW91DQpt dWNoIGFib3V0IHdoZXRoZXIgb3Igbm90IHlvdSBjYW4gdHJ1c3QgdGhhdCBhIGNoYW5nZSBvY2N1 cnJlZC4NCg0KLS0gDQpUcm9uZCBNeWtsZWJ1c3QNCkxpbnV4IE5GUyBjbGllbnQgbWFpbnRhaW5l ciwgUHJpbWFyeURhdGENCnRyb25kLm15a2xlYnVzdEBwcmltYXJ5ZGF0YS5jb20NCg==