Return-Path: From: Trond Myklebust To: bcodding redhat , "aglo@umich.edu" CC: "jlayton@redhat.com" , "linux-nfs@vger.kernel.org" Subject: Re: [PATCH 1/2] NFSv4: Fix CLOSE races with OPEN Date: Wed, 14 Feb 2018 16:59:21 +0000 Message-ID: <1518627560.7484.4.camel@primarydata.com> References: <1479140396-17779-1-git-send-email-trond.myklebust@primarydata.com> <1479140396-17779-2-git-send-email-trond.myklebust@primarydata.com> <698A2B0C-1E38-4B65-ABA3-60C396393E30@redhat.com> <1518621683.13566.5.camel@redhat.com> <1518622194.4737.1.camel@primarydata.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 List-ID: T24gV2VkLCAyMDE4LTAyLTE0IGF0IDExOjA2IC0wNTAwLCBPbGdhIEtvcm5pZXZza2FpYSB3cm90 ZToNCj4gT24gV2VkLCBGZWIgMTQsIDIwMTggYXQgMTA6NDIgQU0sIEJlbmphbWluIENvZGRpbmd0 b24NCj4gPGJjb2RkaW5nQHJlZGhhdC5jb20+IHdyb3RlOg0KPiA+IE9uIDE0IEZlYiAyMDE4LCBh dCAxMDoyOSwgVHJvbmQgTXlrbGVidXN0IHdyb3RlOg0KPiA+ID4gT24gV2VkLCAyMDE4LTAyLTE0 IGF0IDEwOjIxIC0wNTAwLCBKZWZmIExheXRvbiB3cm90ZToNCj4gPiA+ID4gT24gV2VkLCAyMDE4 LTAyLTE0IGF0IDEwOjA1IC0wNTAwLCBCZW5qYW1pbiBDb2RkaW5ndG9uIHdyb3RlOg0KPiA+ID4g PiA+IEhpIE9sZ2EsDQo+ID4gPiA+ID4gDQo+ID4gPiA+ID4gT24gMTMgRmViIDIwMTgsIGF0IDE1 OjA4LCBPbGdhIEtvcm5pZXZza2FpYSB3cm90ZToNCj4gPiA+ID4gPiANCj4gPiA+ID4gPiA+IE9u IE1vbiwgTm92IDE0LCAyMDE2IGF0IDExOjE5IEFNLCBUcm9uZCBNeWtsZWJ1c3QNCj4gPiA+ID4g PiA+IDx0cm9uZC5teWtsZWJ1c3RAcHJpbWFyeWRhdGEuY29tPiB3cm90ZToNCj4gPiA+ID4gPiA+ IC4uLg0KPiA+ID4gPiA+IA0KPiA+ID4gPiA+IEFoLCBnb29kIHF1ZXN0aW9uIHRoZXJlLi4gIEV2 ZW4gdGhvdWdoIHRoZSBzdGF0ZWlkIGlzIG5vdA0KPiA+ID4gPiA+IHVzZWZ1bA0KPiA+ID4gPiA+ IGZvcg0KPiA+ID4gPiA+IG9wZXJhdGlvbnMgdGhhdCBmb2xsb3csIEkgdGhpbmsgdGhlIHNlcXVl bmNlaWQgc2hvdWxkIGJlDQo+ID4gPiA+ID4gaW5jcmVtZW50ZWQgYmVjYXVzZQ0KPiA+ID4gPiA+ IHRoZSBDTE9TRSBpcyBhbiBvcGVyYXRpb24gdGhhdCBtb2RpZmllcyB0aGUgc2V0IG9mIGxvY2tz IG9yDQo+ID4gPiA+ID4gc3RhdGU6DQo+ID4gPiA+ID4gDQo+ID4gPiA+IA0KPiA+ID4gPiBJdCBk b2Vzbid0IG1hdHRlci4NCj4gPiANCj4gPiBZZXMsIGdvb2QgY29uZGVuc2VkIHBvaW50LiAgSXQg ZG9lc24ndCBtYXR0ZXIuDQo+ID4gDQo+ID4gPiA+ID4gLi4uDQo+ID4gPiANCj4gPiA+IElzIHRo ZXJlIGEgcHJvcG9zYWwgdG8gY2hhbmdlIHRoZSBjdXJyZW50IGNsaWVudCBiZWhhdmlvdXIgaGVy ZT8NCj4gPiA+IEFzIGZhcg0KPiA+ID4gYXMgSSBjYW4gdGVsbCwgdGhlIGFuc3dlciBpcyAibm8i LiBBbSBJIG1pc3Npbmcgc29tZXRoaW5nPw0KPiA+IA0KPiA+IE5vdCB0aGF0IEkgY2FuIHNlZS4g IEkgdGhpbmsgd2UncmUganVzdCBjb21wYXJpbmcgbGludXggYW5kIG5ldGFwcA0KPiA+IHNlcnZl cg0KPiA+IGJlaGF2aW9ycy4uDQo+ID4gDQo+ID4gQmVuDQo+IA0KPiBJIGp1c3QgZm91bmQgdmVy eSBzdXJwcmlzaW5nIHRoYXQgaW4gbmZzNF9jbG9zZV9kb25lKCkgd2hpY2ggY2FsbHMNCj4gZXZl bnR1YWxseSBjYWxscyBuZnNfY2xlYXJfb3Blbl9zdGF0ZWlkX2xvY2tlZCgpIHdlIGNoYW5nZSB0 aGUgc3RhdGUNCj4gYmFzZWQgb24gdGhlIHN0YXRlaWQgcmVjZWl2ZWQgZnJvbSB0aGUgQ0xPU0Uu DQo+IG5mc19jbGVhcl9vcGVuX3N0YXRlaWRfbG9ja2VkKCkgaXMgb25seSBjYWxsZWQgZnJvbSBu ZnM0X2Nsb3NlX2RvbmUoKQ0KPiBhbmQgbm8gb3RoZXIgZnVuY3Rpb24uDQo+IA0KPiBJIGd1ZXNz IEknbSBub3Qgd29uZGVyaW5nIGlmIHdlIGhhZCB0aGlzIHByb2JsZW0gZGVzY3JpYmVkIGluIHRo aXMNCj4gcGF0Y2ggb2YgdGhlIGRlbGF5ZWQgQ0xPU0UsIGlmIHdlIGRpZG4ndCB1cGRhdGUgdGhl IHN0YXRlIGFmdGVyDQo+IHJlY2VpdmluZyB0aGUgY2xvc2UuLi4gKHNvIHllcyB0aGlzIGlzIGEg d2VhayBwcm9wb3NhbCkuDQo+IA0KDQpuZnM0X2Nsb3NlX2RvbmUoKSBkb2Vzbid0IG9ubHkgZGVh bCB3aXRoIENMT1NFLiBJdCBhbHNvIGhhcyB0byBoYW5kbGUNCk9QRU5fRE9XTkdSQURFLg0KDQot LSANClRyb25kIE15a2xlYnVzdA0KTGludXggTkZTIGNsaWVudCBtYWludGFpbmVyLCBQcmltYXJ5 RGF0YQ0KdHJvbmQubXlrbGVidXN0QHByaW1hcnlkYXRhLmNvbQ0K