Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx11.netapp.com ([216.240.18.76]:47363 "EHLO mx11.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755318Ab3GKOTN (ORCPT ); Thu, 11 Jul 2013 10:19:13 -0400 From: "Myklebust, Trond" To: Jeff Layton CC: Malahal Naineni , "linux-nfs@vger.kernel.org" , "Schumaker, Bryan" Subject: Re: corruption due to loss of lock Date: Thu, 11 Jul 2013 14:19:10 +0000 Message-ID: <1373552348.2871.2.camel@leira.trondhjem.org> References: <20130613184737.GA25713@us.ibm.com> <20130711071346.03b946bd@corrin.poochiereds.net> In-Reply-To: <20130711071346.03b946bd@corrin.poochiereds.net> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gVGh1LCAyMDEzLTA3LTExIGF0IDA3OjEzIC0wNDAwLCBKZWZmIExheXRvbiB3cm90ZToNCj4g T24gVGh1LCAxMyBKdW4gMjAxMyAxMzo0NzozNyAtMDUwMA0KPiBNYWxhaGFsIE5haW5lbmkgPG1h bGFoYWxAdXMuaWJtLmNvbT4gd3JvdGU6DQo+IA0KPiA+IEhpIFRyb25kLA0KPiA+IA0KPiA+IEkg c2F3IEJyeWFuJ3MgcGF0Y2hlcyBoZXJlIGh0dHBzOi8vcGF0Y2h3b3JrLmtlcm5lbC5vcmcvcGF0 Y2gvOTg3NDAyLw0KPiA+IHRoYXQgZml4IGlzc3VlcyBhZnRlciBsb3NzIG9mIGEgbG9jay4gIFdo YXQgaXMgdGhlIHN0YXR1cyBvbiB0aGlzIHBhdGNoDQo+ID4gc2V0PyBEbyB0aGV5IG5lZWQgbW9y ZSB3b3JrPyBXZSBoYXZlIGFuIGFwcGxpY2F0aW9uIHRoYXQgdXNlcyByYW5nZQ0KPiA+IGxvY2tz IG9uIGEgZmlsZS4gVHdvIHRocmVhZHMgZnJvbSB0d28gZGlmZmVyZW50IGNsaWVudHMgZW5kIHVw IHdyaXRpbmcNCj4gPiB0byB0aGUgc2FtZSBhIGZpbGUgZHVlIHRvIHRoaXMgYnVnIGFmdGVyIGEg bGVhc2UgZXhwaXJ5IGZyb20gYSBjbGllbnQuDQo+ID4gDQo+ID4gUmVnYXJkcywgTWFsYWhhbC4N Cj4gDQo+IChjYydpbmcgQnJ5YW4gc2luY2UgaGUgZGlkIHRoZSBvcmlnaW5hbCBzZXQpDQo+IA0K PiBZZWFoLCB0aGlzIHNldCB3b3VsZCBiZSBhIG5pY2UgdGhpbmcgdG8gaGF2ZS4gQSBjb3VwbGUg b2YgY29tbWVudHM6DQo+IA0KPiAtIEkgc3RpbGwgdGhpbmsgaXQgd291bGQgYmUgYmVzdCB0byBt YWtlIFNJR0xPU1QgaXRzIG93biBzaWduYWwsIGJ1dCBhcw0KPiAgIEJyeWFuIHBvaW50cyBvdXQs IGl0IHdvdWxkIG5lZWQgdG8gYmUgbGFyZ2VyIHRoYW4gU0lHUlRNQVguIEknbQ0KPiAgIG5vdCBz dXJlIHRoYXQncyBwb3NzaWJsZSBvbiBhbGwgYXJjaGVzIHdpdGggdGhlIHdheSB0aGUgUlQgc2ln bmFscw0KPiAgIHdlcmUgZG9uZS4gSXQncyBwcm9iYWJseSB3b3J0aCBpbnZlc3RpZ2F0aW5nIHRo YXQgdGhvdWdoIGJlZm9yZQ0KPiAgIHNldHRsaW5nIG9uIFNJR0lPIHNpbmNlIGl0IHdvdWxkIGJl IGhhcmQgdG8gY2hhbmdlIHRoYXQgcmV0cm9hY3RpdmVseS4NCj4gDQo+IC0gVGhpcyBpcyBub3Qg cmVhbGx5IGEgdjQuMSBzcGVjaWZpYyB0aGluZy4gSXQgc2hvdWxkIGFsc28gYmUgZG9uZSBmb3IN Cj4gICB2NC4wIGFuZCB2Mi8zLCB0aG91Z2ggdGhlIGxhdHRlciB0d28gcmVhbGx5IG5lZWQgdG8g YmUgZG9uZSB3aXRoaW4NCj4gICBsb2NrZC4NCg0KU0lHTE9TVCBpcyBub3QgcGFydCBvZiBhbnkg c3RhbmRhcmQuIEl0IGlzIGEgaGFjayB0aGF0IGhhcyBiZWVuIGFkb3B0ZWQNCmJ5IElCTSBhbmQg U29sYXJpcy4NCg0KVGhlIFBPU0lYbHkgY29ycmVjdCB3YXkgdG8gZG8gdGhpcyBpcyB0byB1c2Ug RUJBREYgdG8gd2FybiB0aGUNCmFwcGxpY2F0aW9uIHRoYXQgdGhlIGZpbGUgZGVzY3JpcHRvciBp cyBubyBsb25nZXIgdmFsaWQgKGluIHRoZSBzZW5zZQ0KdGhhdCB0aGUgc2VydmVyIGlzIG5vIGxv bmdlciBob25vdXJpbmcgdGhlIGxvY2spIGFuZCBFSU8gaW4gb3JkZXIgdG8NCndhcm4gaXQgdGhh dCBkYXRhIG1heSBoYXZlIGJlZW4gbG9zdC4NCg0KLS0gDQpUcm9uZCBNeWtsZWJ1c3QNCkxpbnV4 IE5GUyBjbGllbnQgbWFpbnRhaW5lcg0KDQpOZXRBcHANClRyb25kLk15a2xlYnVzdEBuZXRhcHAu Y29tDQp3d3cubmV0YXBwLmNvbQ0K