Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx2.netapp.com ([216.240.18.37]:60423 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752744Ab2DERcB (ORCPT ); Thu, 5 Apr 2012 13:32:01 -0400 From: "Myklebust, Trond" To: Miklos Szeredi CC: "bfields@fieldses.org" , "linux-nfs@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [REGRESSION] NFSv4: open(O_TRUNC) hangs Date: Thu, 5 Apr 2012 17:31:58 +0000 Message-ID: <1333647115.4573.3.camel@lade.trondhjem.org> References: <87d37osrx2.fsf@tucsk.pomaz.szeredi.hu> In-Reply-To: <87d37osrx2.fsf@tucsk.pomaz.szeredi.hu> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gVHVlLCAyMDEyLTA0LTAzIGF0IDE4OjI2ICswMjAwLCBNaWtsb3MgU3plcmVkaSB3cm90ZToN Cj4gTm93IHRoaXMgdGVzdCBwcm9ncmFtIGhhbmdzIG9uIGxhdGVzdCBnaXQuDQo+IA0KPiBUaGFu a3MsDQo+IE1pa2xvcw0KPiAtLS0NCj4gDQo+ICNpbmNsdWRlIDxzdGRpby5oPg0KPiAjaW5jbHVk ZSA8dW5pc3RkLmg+DQo+ICNpbmNsdWRlIDxmY250bC5oPg0KPiANCj4gaW50IG1haW4oaW50IGFy Z2MsIGNoYXIgKmFyZ3ZbXSkNCj4gew0KPiAJaW50IHJlczsNCj4gCWNoYXIgKm5hbWUgPSBhcmd2 WzFdOw0KPiAJaW50IGZkOw0KPiANCj4gCXVubGluayhuYW1lKTsNCj4gCWZkID0gY3JlYXQobmFt ZSwgMDY0NCk7DQo+IAl3cml0ZShmZCwgIjEyMyIsIDMpOw0KPiAJY2xvc2UoZmQpOw0KPiAJY2xv c2Uob3BlbihuYW1lLCBPX1JET05MWSB8IE9fVFJVTkMpKTsNCj4gDQo+IAlyZXR1cm4gMDsNCj4g fQ0KDQpIaSBNaWtsb3MsDQoNClRoZSBmb2xsb3dpbmcgY2xpZW50IHBhdGNoIGZpeGVzIHRoZSBy ZWdyZXNzaW9uIGZvciBtZS4NCg0KQ2hlZXJzDQogIFRyb25kDQo4PC0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCkZyb20gNWVjMGVkNmNkODhjNjU0 NjQwOTI1MzM3ODc3MDZkOWVjZmI4NTMyMCBNb24gU2VwIDE3IDAwOjAwOjAwIDIwMDENCkZyb206 IFRyb25kIE15a2xlYnVzdCA8VHJvbmQuTXlrbGVidXN0QG5ldGFwcC5jb20+DQpEYXRlOiBXZWQs IDQgQXByIDIwMTIgMTA6NTE6MzMgLTA3MDANClN1YmplY3Q6IFtQQVRDSCAxLzJdIE5GU3Y0OiBE b24ndCB1c2Ugb3BlbiBzdGF0ZWlkcyB0aGF0IGhhdmUgdGhlIHdyb25nIG9wZW4NCiBtb2RlDQoN CklmIHRoZSBjbGllbnQgaXMgZG9pbmcgYW4gb3BlcmF0aW9uIHRoYXQgbmVlZHMgYSBwYXJ0aWN1 bGFyIG9wZW4NCm1vZGUsIHRoZW4gbmZzNF9zZWxlY3Rfcndfc3RhdGVpZCgpIHNob3VsZCBvbmx5 IGNvcHkgdGhlDQpvcGVuIHN0YXRlaWQgaWYgdGhlIGxhdHRlciBoYXMgdGhlIGNvcnJlY3Qgb3Bl biBtb2RlLg0KDQpPdGhlcndpc2Ugd2Ugc2hvdWxkIGp1c3QgdXNlIHRoZSB6ZXJvIHN0YXRlaWQu DQoNClJlcG9ydGVkLWJ5OiBNaWtsb3MgU3plcmVkaSA8bWlrbG9zQHN6ZXJlZGkuaHU+DQpTaWdu ZWQtb2ZmLWJ5OiBUcm9uZCBNeWtsZWJ1c3QgPFRyb25kLk15a2xlYnVzdEBuZXRhcHAuY29tPg0K LS0tDQogZnMvbmZzL25mczRzdGF0ZS5jIHwgICAgNyArKysrKysrDQogMSBmaWxlcyBjaGFuZ2Vk LCA3IGluc2VydGlvbnMoKyksIDAgZGVsZXRpb25zKC0pDQoNCmRpZmYgLS1naXQgYS9mcy9uZnMv bmZzNHN0YXRlLmMgYi9mcy9uZnMvbmZzNHN0YXRlLmMNCmluZGV4IDBmNDM0MTQuLjcxZGNmZDQg MTAwNjQ0DQotLS0gYS9mcy9uZnMvbmZzNHN0YXRlLmMNCisrKyBiL2ZzL25mcy9uZnM0c3RhdGUu Yw0KQEAgLTkzMiw2ICs5MzIsMTMgQEAgdm9pZCBuZnM0X3NlbGVjdF9yd19zdGF0ZWlkKG5mczRf c3RhdGVpZCAqZHN0LCBzdHJ1Y3QgbmZzNF9zdGF0ZSAqc3RhdGUsDQogew0KIAlpZiAobmZzNF9j b3B5X2RlbGVnYXRpb25fc3RhdGVpZChkc3QsIHN0YXRlLT5pbm9kZSwgZm1vZGUpKQ0KIAkJcmV0 dXJuOw0KKw0KKwlmbW9kZSAmPSBGTU9ERV9SRUFEfEZNT0RFX1dSSVRFOw0KKwlpZiAoKHN0YXRl LT5zdGF0ZSAmIGZtb2RlKSAhPSBmbW9kZSkgew0KKwkJbmZzNF9zdGF0ZWlkX2NvcHkoZHN0LCAm emVyb19zdGF0ZWlkKTsNCisJCXJldHVybjsNCisJfQ0KKw0KIAlpZiAobmZzNF9jb3B5X2xvY2tf c3RhdGVpZChkc3QsIHN0YXRlLCBmbF9vd25lciwgZmxfcGlkKSkNCiAJCXJldHVybjsNCiAJbmZz NF9jb3B5X29wZW5fc3RhdGVpZChkc3QsIHN0YXRlKTsNCi0tIA0KMS43LjcuNg0KDQoNCi0tIA0K VHJvbmQgTXlrbGVidXN0DQpMaW51eCBORlMgY2xpZW50IG1haW50YWluZXINCg0KTmV0QXBwDQpU cm9uZC5NeWtsZWJ1c3RAbmV0YXBwLmNvbQ0Kd3d3Lm5ldGFwcC5jb20NCg0K