Return-Path: Received: from us-smtp-delivery-194.mimecast.com ([216.205.24.194]:48719 "EHLO us-smtp-delivery-194.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934692AbdCLVAh (ORCPT ); Sun, 12 Mar 2017 17:00:37 -0400 From: Trond Myklebust To: "kolga@netapp.com" CC: "anna.schumaker@netapp.com" , "linux-nfs@vger.kernel.org" Subject: Re: [PATCH 1/1] PNFS dont retry some error when MDS=DS Date: Sun, 12 Mar 2017 21:00:30 +0000 Message-ID: <1489352427.6645.1.camel@primarydata.com> References: <20170310213715.38258-1-kolga@netapp.com> <1489247175.3260.5.camel@primarydata.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gU3VuLCAyMDE3LTAzLTEyIGF0IDE0OjQwIC0wNDAwLCBPbGdhIEtvcm5pZXZza2FpYSB3cm90 ZToNCj4gPiBPbiBNYXIgMTEsIDIwMTcsIGF0IDEwOjQ2IEFNLCBUcm9uZCBNeWtsZWJ1c3QgPHRy b25kbXlAcHJpbWFyeWRhdGEuDQo+ID4gY29tPiB3cm90ZToNCj4gPiANCj4gPiBPbiBGcmksIDIw MTctMDMtMTAgYXQgMTY6MzcgLTA1MDAsIE9sZ2EgS29ybmlldnNrYWlhIHdyb3RlOg0KPiA+ID4g SWYgd2Ugc2VudCBhbiBvcGVyYXRpb24gdG8gdGhlICJEUyIgYW5kIGdvdCBhbiBlcnJvciwgdGhl IGNvZGUNCj4gPiA+IHJlc2VuZHMNCj4gPiA+IHRvICJNRFMiIGJ1dCB3aGVuIHRoZXkgYXJlIHRo ZSBzYW1lLCBpdCBnZXRzIHRoZSBzYW1lIGVycm9yIGFuZA0KPiA+ID4gZ29lcw0KPiA+ID4gaW50 byB0aGUgaW5maW5pdGUgbG9vcC4gRXhhbXBsZSB3YXMgQ09NTUlUIGdldHRpbmcgRUFDQ0VTLg0K PiA+ID4gDQo+ID4gDQo+ID4gVGhlIGNvcnJlY3QgYmVoYXZpb3VyIHdoZW4gZ2V0dGluZyBFQUND RVMgZnJvbSBhIENPTU1JVCB0byB0aGUgTURTDQo+ID4gd291bGQgYmUgdG8gcmV0cnkgdGhlIGVu dGlyZSBzZXJpZXMgb2YgV1JJVEUgY2FsbHMgd2l0aCBzdGFibGUNCj4gPiB3cml0ZXMuDQo+ID4g SWYgdGhlIHNlcnZlciB0aGVuIHJldHVybnMgd2l0aCBhbnl0aGluZyBvdGhlciB0aGFuIEZJTEVf U1lOQywgdGhlbg0KPiA+IEVJTy4NCj4gPiANCj4gPiBXaHkgaXMgdGhlIHNlcnZlciBmYWlsaW5n IHRoZSBDT01NSVQgaGVyZSBpZiB0aGUgY2xpZW50IHRoaW5rcyBpdA0KPiA+IHNlbnQNCj4gPiB1 bnN0YWJsZSB3cml0ZXM/DQo+IA0KPiBUaGlzIGxvb3Bpbmcgd2FzIGRpc2NvdmVyZWQgZHVyaW5n IGNvbm5lY3RhdGhvbiB0ZXN0aW5nIGFnYWluc3QgdGhlDQo+IGRlc3kgc2VydmVyLiBXaGlsZSBJ IGJlbGlldmUgVGlncmFuIHRoaW5rcyB0aGVyZSBpcyBhbiBlcnJvciBpbiBoaXMNCj4gY29kZSBh bmQgRUFDQ0VTIGZyb20gQ09NTUlUIHdhcyB1bmV4cGVjdGVkLCB3ZSB0aG91Z2h0IHRoYXQgaXQg d291bGQNCj4gYmUgYmVzdCBpZiB0aGUgY2xpZW50IGRpZG7igJl0IGdvIGludG8gaW5maW5pdGUg bG9vcCBpbiB0aGlzIGNvbmRpdGlvbg0KPiBnaXZlbiB0aGF0IEVBQ0NFUyBpcyBhIHZhbGlkIGVy cm9yIGZvciBDT01NSVQuIElmIHlvdSB0aGluayB0aGlzDQo+IHNob3VsZG7igJl0IGhhcHBlbiBp biByZWFsIGxpZmUsIHRoZW4gSeKAmW0gb2sgd2l0aCBub3QgcHVyc3VpbmcgdGhpcy7CoA0KDQpJ dCBpcyBsZWdhbCwgYW5kIEkgY2FuIHNvcnQgb2Ygc2VlIGhvdyBpdCBtaWdodCBiZSBpbnZva2Vk IGlmIGEgU0VUQVRUUg0KY2hhbmdlcyB0aGUgbW9kZSBiZXR3ZWVuIHRoZSBXUklURSBhbmQgdGhl IENPTU1JVCwgYnV0IGl0IGlzIGEgY29ybmVyDQpjYXNlLg0KDQo+IE9uIGEgZGlmZmVyZW50IGJ1 dCByZWxhdGVkIG5vdGUsIGluIGNhc2Ugd2hlbiBNRFMgIT0gRFMsIHdoZW4gdGhlDQo+IHdyaXRl cyBhcmUgcmV0cmllZCB0aGV5IGFyZSBub3QgcmV0cmllZCBhZ2FpbnN0IHRoZSBNRFMgYnV0IGFn YWluIGFyZQ0KPiBzZW50IHRvIHRoZSBEUywgaXMgdGhhdCBhIGJ1Zz8NCg0KSSB3b3VsZCBleHBl Y3QgdGhhdCBvbmNlIHlvdSBkZWNpZGUgdG8gZmFsbCBiYWNrIHRvIGRvaW5nIEkvTyB0aHJvdWdo DQp0aGUgTURTLCB0aGVuIHlvdSdsbCB3YW50IGFueSByZXNlbmRzIHRvIGFsc28gZ28gdG8gdGhl IE1EUy4NCg0KPiA+IA0KPiA+IC0twqANCj4gPiBUcm9uZCBNeWtsZWJ1c3QNCj4gPiBMaW51eCBO RlMgY2xpZW50IG1haW50YWluZXIsIFByaW1hcnlEYXRhDQo+ID4gdHJvbmQubXlrbGVidXN0QHBy aW1hcnlkYXRhLmNvbQ0KPiANCj4gDQotLSANClRyb25kIE15a2xlYnVzdA0KTGludXggTkZTIGNs aWVudCBtYWludGFpbmVyLCBQcmltYXJ5RGF0YQ0KdHJvbmQubXlrbGVidXN0QHByaW1hcnlkYXRh LmNvbQ0K