Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx2.netapp.com ([216.240.18.37]:46485 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750778Ab2KWFLu (ORCPT ); Fri, 23 Nov 2012 00:11:50 -0500 From: "Myklebust, Trond" To: fanchaoting CC: "bfields@fieldses.org" , "linux-nfs@vger.kernel.org" Subject: Re: nfs cache bug (when server delete the file ,nfs client can read file also) Date: Fri, 23 Nov 2012 05:11:48 +0000 Message-ID: <4FA345DA4F4AE44899BD2B03EEEC2FA9092F7F07@SACEXCMBX04-PRD.hq.netapp.com> References: <50AEF92B.4080900@cn.fujitsu.com> In-Reply-To: <50AEF92B.4080900@cn.fujitsu.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gRnJpLCAyMDEyLTExLTIzIGF0IDEyOjE4ICswODAwLCBmYW5jaGFvdGluZyB3cm90ZToNCj4g SGksZXZlcnlvbmUuIEkgZm91bmQgYSBiaWcgYnVnIGFib3VudCBuZnMgY2FjaGUuDQo+IA0KPiB3 aGVuIHNlcnZlciBkZWxldGUgdGhlIGZpbGUgLG5mcyBjbGllbnQgY2FuIHJlYWQgZmlsZSBhbHNv Lg0KPiANCj4gdGhlIGZvbGxvd2luZyBpcyB0aGUgcmVwcm9kdWNlLg0KPiANCj4gaXA6IDE5Mi4x NjguMC4xOSAgbmZzLWNsaWVudA0KPiBpcDogMTkyLjE2OC4wLjIwICBuZnMtY2xpZW50DQo+IGlw OiAxOTIuMTY4LjAuMjEgIG5mcy1zZXJ2ZXINCj4gDQo+ICMjIyMjIyMjIyMjIyMjIyMjIyMjIyMj IyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMNCj4g DQo+IC91c3IvYmluL3NzaCAtbiAxOTIuMTY4LjAuMjEgc2VydmljZSBuZnMgc3RhcnQNCj4gL3Vz ci9iaW4vc3NoIC1uIDE5Mi4xNjguMC4yMSAvdXNyL3NiaW4vcnBjLmlkbWFwZA0KPiAvdXNyL2Jp bi9zc2ggLW4gMTkyLjE2OC4wLjE5IC91c3Ivc2Jpbi9ycGMuaWRtYXBkDQo+IC91c3IvYmluL3Nz aCAtbiAxOTIuMTY4LjAuMjAgL3Vzci9zYmluL3JwYy5pZG1hcGQNCj4gL3Vzci9iaW4vc3NoIC1u IDE5Mi4xNjguMC4yMSAicm0gLXJmIC9uZnNyb290OyBta2RpciAtcCAvbmZzcm9vdCINCj4gL3Vz ci9iaW4vc3NoIC1uIDE5Mi4xNjguMC4yMSAvdXNyL3NiaW4vZXhwb3J0ZnMgLWF1DQo+IC91c3Iv YmluL3NzaCAtbiAxOTIuMTY4LjAuMjEgL3Vzci9zYmluL2V4cG9ydGZzIC1pIC1vIGluc2VjdXJl LG5vX3Jvb3Rfc3F1YXNoLHJ3LGZzaWQ9MCAqOi9uZnNyb290DQo+IC91c3IvYmluL3NzaCAtbiAx OTIuMTY4LjAuMTkgdGVzdCAtZCAvbmZzcm9vdCB8fCAocm0gLXJmIC9uZnNyb290OyBta2RpciAt cCAvbmZzcm9vdCkNCj4gL3Vzci9iaW4vc3NoIC1uIDE5Mi4xNjguMC4yMCB0ZXN0IC1kIC9uZnNy b290IHx8IChybSAtcmYgL25mc3Jvb3Q7IG1rZGlyIC1wIC9uZnNyb290KQ0KPiANCj4gL3Vzci9i aW4vc3NoIC1uIDE5Mi4xNjguMC4xOSB1bW91bnQgL25mc3Jvb3QNCj4gL3Vzci9iaW4vc3NoIC1u IDE5Mi4xNjguMC4yMCB1bW91bnQgL25mc3Jvb3QNCj4gY21kPSJlY2hvIFwiaGVsbG8gd29ybGRc IiA+IC9uZnNyb290L3RtcGZpbGUiDQo+IC91c3IvYmluL3NzaCAtbiAxOTIuMTY4LjAuMjEgJGNt ZA0KPiAvdXNyL2Jpbi9zc2ggLW4gMTkyLjE2OC4wLjIxIG1rZGlyIC9uZnNyb290L3RtcGRpcg0K PiAvdXNyL2Jpbi9zc2ggLW4gMTkyLjE2OC4wLjIxIHRvdWNoIC9uZnNyb290L3RtcGRpci90bXBk ZmlsZQ0KPiAvdXNyL2Jpbi9zc2ggLW4gMTkyLjE2OC4wLjE5IG1vdW50IC10IG5mczQgMTkyLjE2 OC4wLjIxOi8gL25mc3Jvb3QNCj4gL3Vzci9iaW4vc3NoIC1uIDE5Mi4xNjguMC4yMCBtb3VudCAt dCBuZnM0IDE5Mi4xNjguMC4yMTovIC9uZnNyb290DQo+IC91c3IvYmluL3NzaCAtbiAxOTIuMTY4 LjAuMjEgY2F0ICAvbmZzcm9vdC90bXBmaWxlDQo+IC91c3IvYmluL3NzaCAtbiAxOTIuMTY4LjAu MjEgbHMgLWwgL25mc3Jvb3QvdG1wZGlyDQo+IC91c3IvYmluL3NzaCAtbiAxOTIuMTY4LjAuMTkg Y2F0ICAvbmZzcm9vdC90bXBmaWxlDQo+IC91c3IvYmluL3NzaCAtbiAxOTIuMTY4LjAuMTkgbHMg LWwgIC9uZnNyb290L3RtcGRpcg0KPiAvdXNyL2Jpbi9zc2ggLW4gMTkyLjE2OC4wLjIwIGNhdCAg L25mc3Jvb3QvdG1wZmlsZQ0KPiAvdXNyL2Jpbi9zc2ggLW4gMTkyLjE2OC4wLjIwIGxzIC1sICAv bmZzcm9vdC90bXBkaXINCj4gL3Vzci9iaW4vc3NoIC1uIDE5Mi4xNjguMC4xOSBjYXQgL25mc3Jv b3QvdG1wZmlsZSA+IC9kZXYvbnVsbA0KPiAvdXNyL2Jpbi9zc2ggLW4gMTkyLjE2OC4wLjIwIGNh dCAvbmZzcm9vdC90bXBmaWxlID4gL2Rldi9udWxsDQo+IC91c3IvYmluL3NzaCAtbiAxOTIuMTY4 LjAuMjEgcm0gLXJmIC9uZnNyb290L3RtcGZpbGUNCj4gZWNobyAtZSAic2xlZXAgNjB+fn5+fn5+ flxuIg0KPiBzbGVlcCA2MA0KPiANCj4gIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMj IyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMNCj4gDQo+IGxhc3Q6 IEluIDE5Mi4xNjguMC4xOSBJIGRvOg0KPiANCj4gI2NhdCAvbmZzcm9vdC90bXBmaWxlICAgICAg ICAgICA8LS10aGUgbmZzIHNlcnZlciBkZWxldGUgdGhlIGZpbGUsYnV0IG5mcyBjbGllbnQgY2Fu IHJlYWQgdGhlIGZpbGUNCj4gIGhlbGxvIHdvcmxkDQo+IA0KPiANCj4gSSB0aGluayAgd2hlbiB0 aGUgbmZzIHNlcnZlciBkZWxldGUgdGhlIGZpbGUgLA0KPiB0aGUgIHNlcnZlciBzaG91bGQgbm90 aWNlIHRoZSBuZnMgY2xpZW50LA0KPiBidXQgdGhlIHVwc3RyZWFtIGtlcm5lbCBkb2VzJ3QgdGhp cy4NCg0KU28gaXMgdGhpcyBhIHByb2JsZW0gd2l0aCB0aGUgY2xpZW50IG9yIHRoZSBzZXJ2ZXI/ IEluIG90aGVyIHdvcmRzLCBpZg0KeW91IHVzZSBhIGRpZmZlcmVudCBzZXJ2ZXIvY2xpZW50IGNv bWJpbmF0aW9uLCBkbyB5b3Ugc2VlIGEgZGlmZmVyZW50DQpyZXN1bHQ/DQoNCldoaWNoIGtlcm5l bHMgYXJlIHlvdSB1c2luZyBpbiB5b3VyIHRlc3RzIGZvciB0aGUgY2xpZW50IGFuZCBzZXJ2ZXI/ DQoNCi0tIA0KVHJvbmQgTXlrbGVidXN0DQpMaW51eCBORlMgY2xpZW50IG1haW50YWluZXINCg0K TmV0QXBwDQpUcm9uZC5NeWtsZWJ1c3RAbmV0YXBwLmNvbQ0Kd3d3Lm5ldGFwcC5jb20NCg==