From: "Batsakis, Alexandros" Subject: RE: [PATCH 1/1] nfs: fix race between renewd, umount, and the state manager in V4.1 Date: Fri, 22 Jan 2010 12:01:03 -0800 Message-ID: References: <1264135871-13083-1-git-send-email-batsakis@netapp.com> <1264186039.30757.7.camel@localhost> <1264189298.30757.16.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Cc: To: "Myklebust, Trond" Return-path: Received: from mx2.netapp.com ([216.240.18.37]:62347 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753282Ab0AVUBV (ORCPT ); Fri, 22 Jan 2010 15:01:21 -0500 Received: from sacrsexc1-prd.hq.netapp.com (sacrsexc1-prd.hq.netapp.com [10.99.115.27]) by smtp1.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id o0MK11gL025180 for ; Fri, 22 Jan 2010 12:01:06 -0800 (PST) In-Reply-To: <1264189298.30757.16.camel@localhost> Sender: linux-nfs-owner@vger.kernel.org List-ID: DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogTXlrbGVidXN0LCBUcm9u ZA0KPiBTZW50OiBGcmlkYXksIEphbnVhcnkgMjIsIDIwMTAgMTE6NDIgQU0NCj4gVG86IEJhdHNh a2lzLCBBbGV4YW5kcm9zDQo+IENjOiBsaW51eC1uZnNAdmdlci5rZXJuZWwub3JnDQo+IFN1Ympl Y3Q6IFJFOiBbUEFUQ0ggMS8xXSBuZnM6IGZpeCByYWNlIGJldHdlZW4gcmVuZXdkLCB1bW91bnQs IGFuZCB0aGUNCj4gc3RhdGUgbWFuYWdlciBpbiBWNC4xDQo+IA0KPiBPbiBGcmksIDIwMTAtMDEt MjIgYXQgMTE6MzAgLTA4MDAsIEJhdHNha2lzLCBBbGV4YW5kcm9zIHdyb3RlOg0KPiA+DQo+ID4g PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiA+ID4gRnJvbTogTXlrbGVidXN0LCBUcm9u ZA0KPiA+ID4gU2VudDogRnJpZGF5LCBKYW51YXJ5IDIyLCAyMDEwIDEwOjQ3IEFNDQo+ID4gPiBU bzogQmF0c2FraXMsIEFsZXhhbmRyb3MNCj4gPiA+IENjOiBsaW51eC1uZnNAdmdlci5rZXJuZWwu b3JnOyBNeWtsZWJ1c3QsIFRyb25kDQo+ID4gPiBTdWJqZWN0OiBSZTogW1BBVENIIDEvMV0gbmZz OiBmaXggcmFjZSBiZXR3ZWVuIHJlbmV3ZCwgdW1vdW50LCBhbmQNCj4gdGhlDQo+ID4gPiBzdGF0 ZSBtYW5hZ2VyIGluIFY0LjENCj4gPiA+DQo+ID4gPiBPbiBUaHUsIDIwMTAtMDEtMjEgYXQgMjA6 NTEgLTA4MDAsIEFsZXhhbmRyb3MgQmF0c2FraXMgd3JvdGU6DQo+ID4gPg0KPiA+ID4gPiBzdHJ1 Y3QgcnBjX2NyZWQgKm5mczRfZ2V0X3NldGNsaWVudGlkX2NyZWQoc3RydWN0IG5mc19jbGllbnQN Cj4gKmNscCkNCj4gPiA+ID4gQEAgLTg3OCw3ICs4ODgsMTEgQEAgdm9pZCBuZnM0X3NjaGVkdWxl X3N0YXRlX21hbmFnZXIoc3RydWN0DQo+ID4gPiBuZnNfY2xpZW50ICpjbHApDQo+ID4gPiA+ICAJ aWYgKHRlc3RfYW5kX3NldF9iaXQoTkZTNENMTlRfTUFOQUdFUl9SVU5OSU5HLCAmY2xwLQ0KPiA+ Y2xfc3RhdGUpICE9DQo+ID4gPiAwKQ0KPiA+ID4gPiAgCQlyZXR1cm47DQo+ID4gPiA+ICAJX19t b2R1bGVfZ2V0KFRISVNfTU9EVUxFKTsNCj4gPiA+ID4gLQlhdG9taWNfaW5jKCZjbHAtPmNsX2Nv dW50KTsNCj4gPiA+ID4gKwlpZiAoIWF0b21pY19pbmNfbm90X3plcm8oJmNscC0+Y2xfY291bnQp KSB7DQo+ID4gPiA+ICsJCW5mczRfY2xlYXJfc3RhdGVfbWFuYWdlcl9iaXQoY2xwKTsNCj4gPiA+ ID4gKwkJbW9kdWxlX3B1dChUSElTX01PRFVMRSk7DQo+ID4gPiA+ICsJCXJldHVybjsNCj4gPiA+ ID4gKwl9DQo+ID4gPg0KPiA+ID4gVGhlIHVzZSBvZiBhdG9taWNfaW5jX25vdF96ZXJvKCkgc2hv dWxkIG5vdCBiZSBuZWNlc3NhcnkgaGVyZS4NCj4gQW55Ym9keQ0KPiA+ID4gd2hvIGlzIGNhbGxp bmcgdGhpcyBmdW5jdGlvbiB3aXRob3V0IGhvbGRpbmcgYSByZWZlcmVuY2UgdG8gY2xwIGlzDQo+ ID4gPiBkb2luZw0KPiA+ID4gc29tZXRoaW5nIGZ1bmRhbWVudGFsbHkgd3JvbmcuDQo+ID4NCj4g PiBBZ3JlZWQsIGJ1dCBob3cgY2FuIHdlIGVuZm9yY2UgdGhpcyAoZXNwZWNpYWxseSB3aXRoIGFz eW5jaHJvbm91cw0KPiBSUEMpID8NCj4gPiBGb3IgZXhhbXBsZSB3aGF0IHdpbGwgaGFwcGVuIGlm IF9kdXJpbmdfIHVtb3VudCAoYWZ0ZXINCj4gbmZzX3B1dF9jbGllbnQoKSksIGFuIE5GUyBjYWxs IHRoYXQgd2FzIHNsZWVwaW5nIGUuZy4gd2FpdGluZyBmb3IgdGhlDQo+IHNlcnZlciB0byBjb21l IHVwLCByZWFjaGVzIHRoZSBzZXJ2ZXIgYW5kIHRoZSByZXNwb25zZSBjYXVzZXMgdGhlIHN0YXRl DQo+IG1hbmFnZXIgdG8gc3RhcnQgPw0KPiA+IEFueSBpZGVhcyA/DQo+IA0KPiBXaGF0IHdvdWxk IHlvdSBleHBlY3QgdG8gc2VlIHJ1bm5pbmcgZHVyaW5nIHVtb3VudD8gTm9ib2R5IGNhbiBiZQ0K PiBob2xkaW5nIGEgcmVmZXJlbmNlIHRvIHRoZSB2ZnNtb3VudCBhdCB0aGF0IHBvaW50LCBzbyB0 aGVyZSBzaG91bGQgYmUNCj4gbm8NCj4gYWN0aXZlIHByb2Nlc3NlcyBhcm91bmQgdG8gbWFrZSBO RlMgY2FsbHMuDQo+IA0KDQpyZW5ld2QgaXMgc3RpbGwgcnVubmluZyBhbmQgZXZlbiBpZiB3ZSBr aWxsIHRoZSBkYWVtb24sIG1heWJlIHRoZXJlIGlzIGEgc2VxdWVuY2VfZG9uZSBwZW5kaW5nDQoN Ci1hDQoNCj4gVHJvbmQNCg0K