Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx12.netapp.com ([216.240.18.77]:60435 "EHLO mx12.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933055Ab3GKOdE (ORCPT ); Thu, 11 Jul 2013 10:33:04 -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 14:33:02 +0000 Message-ID: <1373553181.9207.2.camel@leira.trondhjem.org> References: <20130613184737.GA25713@us.ibm.com> <20130711071346.03b946bd@corrin.poochiereds.net> <1373552348.2871.2.camel@leira.trondhjem.org> <20130711102840.272ce3fa@tlielax.poochiereds.net> In-Reply-To: <20130711102840.272ce3fa@tlielax.poochiereds.net> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gVGh1LCAyMDEzLTA3LTExIGF0IDEwOjI4IC0wNDAwLCBKZWZmIExheXRvbiB3cm90ZToNCj4g T24gVGh1LCAxMSBKdWwgMjAxMyAxNDoxOToxMCArMDAwMA0KPiAiTXlrbGVidXN0LCBUcm9uZCIg PFRyb25kLk15a2xlYnVzdEBuZXRhcHAuY29tPiB3cm90ZToNCj4gDQo+ID4gT24gVGh1LCAyMDEz LTA3LTExIGF0IDA3OjEzIC0wNDAwLCBKZWZmIExheXRvbiB3cm90ZToNCj4gPiA+IE9uIFRodSwg MTMgSnVuIDIwMTMgMTM6NDc6MzcgLTA1MDANCj4gPiA+IE1hbGFoYWwgTmFpbmVuaSA8bWFsYWhh bEB1cy5pYm0uY29tPiB3cm90ZToNCj4gPiA+IA0KPiA+ID4gPiBIaSBUcm9uZCwNCj4gPiA+ID4g DQo+ID4gPiA+IEkgc2F3IEJyeWFuJ3MgcGF0Y2hlcyBoZXJlIGh0dHBzOi8vcGF0Y2h3b3JrLmtl cm5lbC5vcmcvcGF0Y2gvOTg3NDAyLw0KPiA+ID4gPiB0aGF0IGZpeCBpc3N1ZXMgYWZ0ZXIgbG9z cyBvZiBhIGxvY2suICBXaGF0IGlzIHRoZSBzdGF0dXMgb24gdGhpcyBwYXRjaA0KPiA+ID4gPiBz ZXQ/IERvIHRoZXkgbmVlZCBtb3JlIHdvcms/IFdlIGhhdmUgYW4gYXBwbGljYXRpb24gdGhhdCB1 c2VzIHJhbmdlDQo+ID4gPiA+IGxvY2tzIG9uIGEgZmlsZS4gVHdvIHRocmVhZHMgZnJvbSB0d28g ZGlmZmVyZW50IGNsaWVudHMgZW5kIHVwIHdyaXRpbmcNCj4gPiA+ID4gdG8gdGhlIHNhbWUgYSBm aWxlIGR1ZSB0byB0aGlzIGJ1ZyBhZnRlciBhIGxlYXNlIGV4cGlyeSBmcm9tIGEgY2xpZW50Lg0K PiA+ID4gPiANCj4gPiA+ID4gUmVnYXJkcywgTWFsYWhhbC4NCj4gPiA+IA0KPiA+ID4gKGNjJ2lu ZyBCcnlhbiBzaW5jZSBoZSBkaWQgdGhlIG9yaWdpbmFsIHNldCkNCj4gPiA+IA0KPiA+ID4gWWVh aCwgdGhpcyBzZXQgd291bGQgYmUgYSBuaWNlIHRoaW5nIHRvIGhhdmUuIEEgY291cGxlIG9mIGNv bW1lbnRzOg0KPiA+ID4gDQo+ID4gPiAtIEkgc3RpbGwgdGhpbmsgaXQgd291bGQgYmUgYmVzdCB0 byBtYWtlIFNJR0xPU1QgaXRzIG93biBzaWduYWwsIGJ1dCBhcw0KPiA+ID4gICBCcnlhbiBwb2lu dHMgb3V0LCBpdCB3b3VsZCBuZWVkIHRvIGJlIGxhcmdlciB0aGFuIFNJR1JUTUFYLiBJJ20NCj4g PiA+ICAgbm90IHN1cmUgdGhhdCdzIHBvc3NpYmxlIG9uIGFsbCBhcmNoZXMgd2l0aCB0aGUgd2F5 IHRoZSBSVCBzaWduYWxzDQo+ID4gPiAgIHdlcmUgZG9uZS4gSXQncyBwcm9iYWJseSB3b3J0aCBp bnZlc3RpZ2F0aW5nIHRoYXQgdGhvdWdoIGJlZm9yZQ0KPiA+ID4gICBzZXR0bGluZyBvbiBTSUdJ TyBzaW5jZSBpdCB3b3VsZCBiZSBoYXJkIHRvIGNoYW5nZSB0aGF0IHJldHJvYWN0aXZlbHkuDQo+ ID4gPiANCj4gPiA+IC0gVGhpcyBpcyBub3QgcmVhbGx5IGEgdjQuMSBzcGVjaWZpYyB0aGluZy4g SXQgc2hvdWxkIGFsc28gYmUgZG9uZSBmb3INCj4gPiA+ICAgdjQuMCBhbmQgdjIvMywgdGhvdWdo IHRoZSBsYXR0ZXIgdHdvIHJlYWxseSBuZWVkIHRvIGJlIGRvbmUgd2l0aGluDQo+ID4gPiAgIGxv Y2tkLg0KPiA+IA0KPiA+IFNJR0xPU1QgaXMgbm90IHBhcnQgb2YgYW55IHN0YW5kYXJkLiBJdCBp cyBhIGhhY2sgdGhhdCBoYXMgYmVlbiBhZG9wdGVkDQo+ID4gYnkgSUJNIGFuZCBTb2xhcmlzLg0K PiA+IA0KPiA+IFRoZSBQT1NJWGx5IGNvcnJlY3Qgd2F5IHRvIGRvIHRoaXMgaXMgdG8gdXNlIEVC QURGIHRvIHdhcm4gdGhlDQo+ID4gYXBwbGljYXRpb24gdGhhdCB0aGUgZmlsZSBkZXNjcmlwdG9y IGlzIG5vIGxvbmdlciB2YWxpZCAoaW4gdGhlIHNlbnNlDQo+ID4gdGhhdCB0aGUgc2VydmVyIGlz IG5vIGxvbmdlciBob25vdXJpbmcgdGhlIGxvY2spIGFuZCBFSU8gaW4gb3JkZXIgdG8NCj4gPiB3 YXJuIGl0IHRoYXQgZGF0YSBtYXkgaGF2ZSBiZWVuIGxvc3QuDQo+ID4gDQo+IA0KPiBJdCBpcyBh IGhhY2suLi5JIHdvbid0IGFyZ3VlIHRoZXJlDQo+IA0KPiBJJ20gbm90IHN1cmUgdGhhdCByZXR1 cm5pbmcgZXJyb3JzIGlzIHJlYWxseSB0aGUgYmVzdCBhcHByb2FjaCB0aG91Z2guDQo+IEluIHNv bWUgY2FzZXMsIHRoZSBmZCBtYXkgYmUgZmluZS4gSXQgbWF5IG9ubHkgYmUgdGhlIGxvY2sgdGhh dCBoYXMNCj4gYmVlbiBsb3N0Lg0KPiANCj4gV2l0aCBhIHNpZ25hbCwgdGhlIHByb2dyYW0gaGFz IG1vcmUgb2YgYSBjaG9pY2UgYXMgdG8gd2hldGhlciBpdCBjYXJlcw0KPiBhYm91dCBsb3N0IGxv Y2tzIGFuZCBpcyBtb3JlIGltbWVkaWF0ZSB3aGVuIHRoZSBwcm9ibGVtIG9jY3Vycy4gQW4NCj4g ZXJyb3IgY29kZSBzZWVtcyBsaWtlIGl0IG1pZ2h0IGNhdXNlIGEgbG90IG9mIGdyaWVmIGZvciBw cm9ncmFtcyB0aGF0DQo+IGFyZW4ndCBleHBlY3RpbmcgdGhhdCBzb3J0IG9mIGJlaGF2aW9yLg0K DQpFQkFERiBpcyBhIGVycm9yIHRoYXQgaGFzIGFuIG9idmlvdXMgbWVhbmluZyBpbiBQT1NJWDog eW91IG5lZWQgdG8NCnJlb3BlbiB0aGUgZmlsZSBhbmQgcmUtZXN0YWJsaXNoIGFueSBsb2Nrcy4g SG93IGlzIHRoYXQgbm90IGJldHRlciB0aGFuDQpyZWNlaXZpbmcgYSBzaWduYWwgdGhleSB3b24n dCBiZSBleHBlY3Rpbmc/IENvbnNpZGVyIHRoYXQgd2UnZCBoYXZlIHRvDQpvdmVybG9hZCBTSUdJ Tywgd2hpY2ggaGFzIGEgY29tcGxldGVseSBkaWZmZXJlbnQgbWVhbmluZyBpbiBQT1NJWC4uLg0K DQotLSANClRyb25kIE15a2xlYnVzdA0KTGludXggTkZTIGNsaWVudCBtYWludGFpbmVyDQoNCk5l dEFwcA0KVHJvbmQuTXlrbGVidXN0QG5ldGFwcC5jb20NCnd3dy5uZXRhcHAuY29tDQo=