Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15FD3C10F0E for ; Thu, 18 Apr 2019 14:38:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AE8D821479 for ; Thu, 18 Apr 2019 14:38:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=hammerspace.com header.i=@hammerspace.com header.b="fYWLm9yx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388070AbfDROif (ORCPT ); Thu, 18 Apr 2019 10:38:35 -0400 Received: from mail-eopbgr750129.outbound.protection.outlook.com ([40.107.75.129]:64327 "EHLO NAM02-BL2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1733205AbfDROif (ORCPT ); Thu, 18 Apr 2019 10:38:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hammerspace.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=AmKHlbvKS9pbnKC4wdBTyQadVwMbuIeBv2MZ3H0Cq6A=; b=fYWLm9yxkZMwaE1Az/Q4uQqTtBQDcA53+ZXQxFrtthGKv1EbkKN99IsxFANa1u0xExyLpc7dxr5IMzjA2ZJ9zLt1GfjzZTH0qMigr6hwC2Del7kYDCvDyFuy/wiPjGzzSp0bZl2auft/PB5I8OAkaoyQkFj9sbUyHVzD0cjXGY8= Received: from SN6PR13MB2494.namprd13.prod.outlook.com (52.135.95.148) by SN6PR13MB2383.namprd13.prod.outlook.com (52.135.94.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1813.9; Thu, 18 Apr 2019 14:38:31 +0000 Received: from SN6PR13MB2494.namprd13.prod.outlook.com ([fe80::48d2:c5de:2651:4c30]) by SN6PR13MB2494.namprd13.prod.outlook.com ([fe80::48d2:c5de:2651:4c30%2]) with mapi id 15.20.1835.003; Thu, 18 Apr 2019 14:38:31 +0000 From: Trond Myklebust To: "smayhew@redhat.com" , "linux-nfs@vger.kernel.org" Subject: Re: Question about open(CLAIM_FH) Thread-Topic: Question about open(CLAIM_FH) Thread-Index: AQHU9evf84hrBN7rMkSy4LhuOmeSbqZB/O+A Date: Thu, 18 Apr 2019 14:38:31 +0000 Message-ID: <213d4ead8a7ae890dadc7785d59117e798f94748.camel@hammerspace.com> References: <20190418133728.GS3773@coeurl.usersys.redhat.com> In-Reply-To: <20190418133728.GS3773@coeurl.usersys.redhat.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=trondmy@hammerspace.com; x-originating-ip: [68.40.189.247] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: b8752c7b-15bf-4d65-a4f1-08d6c40b8782 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(5600141)(711020)(4605104)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7193020);SRVR:SN6PR13MB2383; x-ms-traffictypediagnostic: SN6PR13MB2383: x-microsoft-antispam-prvs: x-forefront-prvs: 0011612A55 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(979002)(396003)(39830400003)(366004)(376002)(346002)(136003)(199004)(189003)(8676002)(14454004)(11346002)(6116002)(2906002)(476003)(3846002)(86362001)(97736004)(76176011)(186003)(478600001)(6506007)(102836004)(486006)(25786009)(316002)(26005)(66066001)(99286004)(118296001)(81156014)(6246003)(2616005)(53936002)(71200400001)(5660300002)(110136005)(7736002)(446003)(305945005)(81166006)(2501003)(8936002)(6512007)(36756003)(14444005)(6436002)(229853002)(6486002)(68736007)(256004)(71190400001)(969003)(989001)(999001)(1009001)(1019001);DIR:OUT;SFP:1102;SCL:1;SRVR:SN6PR13MB2383;H:SN6PR13MB2494.namprd13.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: hammerspace.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: XVd0h1ZaQKEP/PEf2ujSHlJoBGoN15KCem+MF6Qm+e7Vv1KxahIbUHpWMeS2tEkeOV37HhI5TxzNPc1Op6DmP3z6ZDUddBzF8X7JHSTmmqzWdxXcpJKEZOdM0aHhq2eu8ymVWzPCukimeTFw9JSVLj9fIzLR3x6BG/h2kul83I9SQu1DRVa8paOFU2YvAIoLY2Z68EQ5s9kc11wjImch8aqHV06NXS/g60qs7X9fPgsSj0G4HJygQgq084dJ3ti4r64+MKLrYWUjmAenZv44TNCWsVWt978KUijr6Mz73/zh6JArecqB7rKEDVmVXhxnALAJY2Nw2rKxOpEF/QRUwgUNNIy03IJxH000mo54POMyexm/Bub7GIwbAhNwK1IYQ49hy9aojM9iLgs0Hx0QRVa5wNHBBYxWjBz3XWPA+Y0= Content-Type: text/plain; charset="utf-8" Content-ID: <86AD392D71697D4F84E61EA2F2FAA4D1@namprd13.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: hammerspace.com X-MS-Exchange-CrossTenant-Network-Message-Id: b8752c7b-15bf-4d65-a4f1-08d6c40b8782 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Apr 2019 14:38:31.5383 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0d4fed5c-3a70-46fe-9430-ece41741f59e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR13MB2383 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org SGkgU2NvdHQsDQoNCk9uIFRodSwgMjAxOS0wNC0xOCBhdCAwOTozNyAtMDQwMCwgU2NvdHQgTWF5 aGV3IHdyb3RlOg0KPiBXaGVuIHRoZSBjbGllbnQgZG9lcyBhbiBvcGVuKENMQUlNX0ZIKSBhbmQg dGhlIHNlcnZlciBhbHJlYWR5IGhhcw0KPiBvcGVuDQo+IHN0YXRlIGZvciB0aGF0IG9wZW4gb3du ZXIgYW5kIGZpbGUsIHdoYXQncyBzdXBwb3NlZCB0byBoYXBwZW4/DQo+IEN1cnJlbnRseSB0aGUg c2VydmVyIHJldHVybnMgdGhlIGV4aXN0aW5nIHN0YXRlaWQgd2l0aCB0aGUgc2VxaWQNCj4gYnVt cGVkLA0KPiBidXQgaXQgbG9va3MgbGlrZSB0aGUgY2xpZW50IGlzIGV4cGVjdGluZyBhIG5ldyBz dGF0ZWlkIChJJ20gc2VlaW5nDQo+IHRoZQ0KPiBzdGF0ZSBtYW5hZ2VyIHNwZW5kaW5nIGEgbG90 IG9mIHRpbWUgd2FpdGluZyBpbg0KPiBuZnNfc2V0X29wZW5fc3RhdGVpZF9sb2NrZWQoKSBkdWUg dG8gTkZTX1NUQVRFX0NIQU5HRV9XQUlUIGJlaW5nIHNldA0KPiBpbg0KPiB0aGUgc3RhdGUgZmxh Z3MgYnkgbmZzX25lZWRfdXBkYXRlX29wZW5fc3RhdGVpZCgpKS4NCj4gDQo+IExvb2tpbmcgYXQg cmZjNTY2MSBzZWN0aW9uIDE4LjE2LjMsIEkgc2VlOg0KPiANCj4gICAgfCBDTEFJTV9OVUxMLCBD TEFJTV9GSCB8IEZvciB0aGUgY2xpZW50LCB0aGlzIGlzIGEgbmV3IE9QRU4NCj4gcmVxdWVzdCB8 DQo+ICAgIHwgICAgICAgICAgICAgICAgICAgICAgfCBhbmQgdGhlcmUgaXMgbm8gcHJldmlvdXMg c3RhdGUNCj4gYXNzb2NpYXRlZCAgfA0KPiAgICB8ICAgICAgICAgICAgICAgICAgICAgIHwgd2l0 aCB0aGUgZmlsZSBmb3IgdGhlDQo+IGNsaWVudC4gIFdpdGggICAgICAgIHwNCj4gICAgfCAgICAg ICAgICAgICAgICAgICAgICB8IENMQUlNX05VTEwsIHRoZSBmaWxlIGlzIGlkZW50aWZpZWQgYnkN Cj4gdGhlICB8DQo+ICAgIHwgICAgICAgICAgICAgICAgICAgICAgfCBjdXJyZW50IGZpbGVoYW5k bGUgYW5kIHRoZQ0KPiBzcGVjaWZpZWQgICAgICAgfA0KPiAgICB8ICAgICAgICAgICAgICAgICAg ICAgIHwgY29tcG9uZW50IG5hbWUuICBXaXRoIENMQUlNX0ZIIChuZXcNCj4gdG8gICAgIHwNCj4g ICAgfCAgICAgICAgICAgICAgICAgICAgICB8IE5GU3Y0LjEpLCB0aGUgZmlsZSBpcyBpZGVudGlm aWVkIGJ5DQo+IGp1c3QgICB8DQo+ICAgIHwgICAgICAgICAgICAgICAgICAgICAgfCB0aGUgY3Vy cmVudCBmaWxlaGFuZGxlLiAgDQo+IA0KPiBTbyBpdCBzZWVtcyBsaWtlIG1heWJlIHRoZSBzZXJ2 ZXIgc2hvdWxkIGJlIHRvc3NpbmcgdGhlIG9sZCBzdGF0ZSBhbmQNCj4gcmV0dXJuaW5nIGEgbmV3 IHN0YXRlaWQ/DQo+IA0KDQpOby4gQXMgZmFyIGFzIHRoZSBwcm90b2NvbCBpcyBjb25jZXJuZWQs IHRoZSBvbmx5IGRpZmZlcmVuY2UgYmV0d2Vlbg0KQ0xBSU1fTlVMTCBhbmQgQ0xBSU1fRkggaXMg dGhyb3VnaCBob3cgdGhlIGNsaWVudCBpZGVudGlmaWVzIHRoZSBmaWxlDQooaW4gdGhlIGZpcnN0 IGNhc2UsIHRocm91Z2ggYW4gaW1wbGljaXQgbG9va3VwLCBhbmQgaW4gdGhlIHNlY29uZCBjYXNl DQp0aHJvdWdoIGEgZmlsZSBoYW5kbGUpLiBUaGUgY2xpZW50IHNob3VsZCBiZSBmcmVlIHRvIGlu dGVybWl4IHRoZSB0d28NCnR5cGVzIG9mIE9QRU4sIGFuZCBpdCBzaG91bGQgZXhwZWN0IHRoZSBy ZXN1bHRpbmcgc3RhdGVpZHMgdG8gZGVwZW5kDQpvbmx5IG9uIHdoZXRoZXIgb3Igbm90IHRoZSBv cGVuX293bmVyIG1hdGNoZXMuIElmIHRoZSBvcGVuX293bmVyDQptYXRjaGVzIGFuIGV4aXN0aW5n IHN0YXRlaWQsIHRoZW4gdGhhdCBzdGF0ZWlkIGlzIGJ1bXBlZCBhbmQgcmV0dXJuZWQuDQoNCkkn bSBub3QgYXdhcmUgb2YgYW55IGV4cGVjdGF0aW9uIGluIHRoZSBjbGllbnQgdGhhdCB0aGlzIHNo b3VsZCBub3QgYmUNCnRoZSBjYXNlLCBzbyBpZiB5b3UgYXJlIHNlZWluZyBkaWZmZXJlbnQgYmVo YXZpb3VyLCB0aGVuIHNvbWV0aGluZyBlbHNlDQptdXN0IGJlIGF0IHdvcmsgaGVyZS4gSXMgdGhl IGNsaWVudCBwZXJoYXBzIG1vdW50aW5nIHRoZSBzYW1lDQpmaWxlc3lzdGVtIGluIHR3byBkaWZm ZXJlbnQgcGxhY2VzIGluIHN1Y2ggYSB3YXkgdGhhdCB0aGUgc3VwZXIgYmxvY2sNCmlzIG5vdCBi ZWluZyBzaGFyZWQ/DQoNCkNoZWVycw0KICBUcm9uZA0KDQotLSANClRyb25kIE15a2xlYnVzdA0K TGludXggTkZTIGNsaWVudCBtYWludGFpbmVyLCBIYW1tZXJzcGFjZQ0KdHJvbmQubXlrbGVidXN0 QGhhbW1lcnNwYWNlLmNvbQ0KDQoNCg==