Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp453781pxk; Thu, 17 Sep 2020 07:28:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw4WD74yu0cG177ZPcypqbdM3wxabEawJgp3fV6YzCc3FykjHNIXx4+7Nqq2yttJiZ9M2Es X-Received: by 2002:a50:8306:: with SMTP id 6mr32014457edh.340.1600352895017; Thu, 17 Sep 2020 07:28:15 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1600352895; cv=pass; d=google.com; s=arc-20160816; b=b+2zEgwIUle+izPyjpsieXeCG3JXksEkCqhgv1I4Jxax05aE00yLy9HSB07bxeNOOo CuPuUyzyihXySrd4Y+mk4qtiDDs1sk/K5e3UV19sFuocZpK7sVkNjl2ZgaGDe6ZaLThv dpJUrE+VJUBTFm5QUIgPTxLNz9GD0c6zOnDX183ZRV3SjY3BedttquOxdzWwRUDfrrrM epcQtoQ6GHkpNbciK14Zls044Y9zodKCXJC3MmB3xN2x31JDlcKpfN98egF4blY86fsL htc+PLERtRaRlzt6UWDXbcUiG9/3bfnIxUXJfk+F5u8m8fBFPbR08Lzc3ORm9Cqb4abr 1XSQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :content-id:content-language:accept-language:in-reply-to:references :message-id:date:thread-index:thread-topic:subject:cc:to:from :dkim-signature; bh=o0NLE4cmMN5OSpR0dFtBPQCxMB7dZoTHUy5Ne8O80B8=; b=TU1HsypmgyfORqtkZRDgzKOBBiWDolPH1J+z1LKPLYflQDKYq5ygtlUOIXucSFJ09R ZEJbUm4JwORe3CjztxC43ZJvcbvimhQmVMEWD8uBkv/HINL76kvmGVTOvJBi9OPnc2ya wOhkRVpcT3uqS0qLY/DsSGM2Rhr6Fs9BVGddxK46xlDyEqPhtdhFMfbPz0f/3oQjvXfe Wm6J37t3fPrlyPCLdKixs+tUTwGJnxcfsgkTfa9mzHIpboZBLQAh3BccDbLltRjRWycf NNQxyWtsYt5z1aJYs9TlSF1qEG9IzkauaTJj3xDOtaXABSEzOQGBTaAkTiuIQyMCT9YU 32mw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@hammerspace.com header.s=selector2 header.b=GpBsy2K1; arc=pass (i=1 spf=pass spfdomain=hammerspace.com dkim=pass dkdomain=hammerspace.com dmarc=pass fromdomain=hammerspace.com); spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=hammerspace.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a12si13661389edt.557.2020.09.17.07.27.36; Thu, 17 Sep 2020 07:28:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@hammerspace.com header.s=selector2 header.b=GpBsy2K1; arc=pass (i=1 spf=pass spfdomain=hammerspace.com dkim=pass dkdomain=hammerspace.com dmarc=pass fromdomain=hammerspace.com); spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=hammerspace.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727363AbgIQO04 (ORCPT + 99 others); Thu, 17 Sep 2020 10:26:56 -0400 Received: from mail-eopbgr760132.outbound.protection.outlook.com ([40.107.76.132]:57063 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727531AbgIQOZt (ORCPT ); Thu, 17 Sep 2020 10:25:49 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=A4n77ICd9G+aBp4IGbgOtN8C9FRpP0amqnvxfQ512aTTeV/9tcK8c218IH4+M40MyYfx0S5vCzze8XaPtexT3mg2nM383mWAdDLo4HGbdtBdHZcl/4TgyAlSgtAkegbzAk5S12O/9cjVHHs9KCUMfraWLoEtmwcP1m3bGCBHwe7Ve/MFZ02E+SWtD6w/Vka3eNUJ1MjqPYVl+hlvYFdHldXOICewwGFYpsU2Yf91imUOFcFWmDeJyYsoftX41zrgRQ/Uqz+QAHDNpLPxtUE6i4agHnChP2P51FWshh2mP2+Lhr+BSYEb3cnJ27Pq7eamkG3hk1Vnd7tIH4mT/TTf9Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=o0NLE4cmMN5OSpR0dFtBPQCxMB7dZoTHUy5Ne8O80B8=; b=XrfMLsQdCjbiXKpUT6KL/Zljxa50gNoSMMemf8jfTrw9Zmi2ZV8CdsLBugwSU3L2cwXzQH4c0psAO8YCuCuiz7yO/MSfTbXc84QYdJGMX4/I7VCTma4s5pX/T56lxsGU059aa4RfsDr5XlqjP6BjiYZtQ0gGJDR/XeBkEyiYeuJ660I9c218QTq2HxraW6nMRxyRxHGIIKzA4Ghlxgt9ONdScaYSLHhrIFtDMutO1Q6J9i63DOHbWlvBpp3BehstMg6eDyqQffOqZvqk8+PvJrzHZ0GmiSCUFZRmdc//MaW9WzTBtcba9Z7zKm8dpYrvpCw72OxOSlD3xarC3BAiLw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=hammerspace.com; dmarc=pass action=none header.from=hammerspace.com; dkim=pass header.d=hammerspace.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hammerspace.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=o0NLE4cmMN5OSpR0dFtBPQCxMB7dZoTHUy5Ne8O80B8=; b=GpBsy2K1wPvo7bzZKr4kKQCa8MdGCpJFWFmCUyPMkUYPVQpKpZUX2yFl8bsr8fnl30u6KPbcMw+DGPU8tayG+JIOIPyTo18wdjwydelXuhrnUdLKqcjilulkqQl7MkCuqg9fKgei53AOf6gNVSaQeSeMEEfkmijIyA01pJEnqS8= Received: from MN2PR13MB3957.namprd13.prod.outlook.com (2603:10b6:208:263::11) by MN2PR13MB3728.namprd13.prod.outlook.com (2603:10b6:208:19e::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.6; Thu, 17 Sep 2020 13:49:06 +0000 Received: from MN2PR13MB3957.namprd13.prod.outlook.com ([fe80::e8a1:6acc:70f0:ef39]) by MN2PR13MB3957.namprd13.prod.outlook.com ([fe80::e8a1:6acc:70f0:ef39%6]) with mapi id 15.20.3412.004; Thu, 17 Sep 2020 13:49:06 +0000 From: Trond Myklebust To: "linux-nfs@vger.kernel.org" , "Nagendra.Tomar@microsoft.com" CC: "anna.schumaker@netapp.com" Subject: Re: [PATCH] nfs: reset cookieverf even when no cached pages Thread-Topic: [PATCH] nfs: reset cookieverf even when no cached pages Thread-Index: AdaLdYAHSfC4FmukRxSfbPzbpNbQ4QAw4uWAAAEERFAAApxggAALNM4AACE7MQA= Date: Thu, 17 Sep 2020 13:49:06 +0000 Message-ID: <4571fc5664fbc488d98641ccd30a868fa5a508a7.camel@hammerspace.com> References: <1fdce3fc0981916f8d3829933db61a3f78aebde3.camel@hammerspace.com> <6c1b52e4eceba8bac7d60cc92470ae80b3846d6a.camel@hammerspace.com> In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=hammerspace.com; x-originating-ip: [68.36.133.222] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 46e29e7f-21b3-47d6-c538-08d85b107200 x-ms-traffictypediagnostic: MN2PR13MB3728: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: wzhqv8uL3rcLRFo3gATALduR6sFgjAXXa1NO0n3A8kbSMdVA88cDaWzlMW45YEZJHhJCnTTv4O6PLpKzNDsmUFA0bBGVPEPLL8lgWHaYfMrXW0dSJXfxHoN38zUak4duaGs4EizEGivEngHzyqFrIQIYFQ6vmfiIj+I16i/vS4cBiuqs7mhKaOzzMM4h0Zkj6DCY7jPGTMYw6IEuDB8M0Qf7Dm/194h5EG7puQFf5g5IBq+HsVF6GYOqhnZIFW2PLUtbyVprKn9sAxoqd2PuWekeMMBqjhhLSzzFDN7stIc6z0cvEfvpx/7DGXoeTzHRNPWgWRfKmYLa+oMiocZonXHa/mdDpB2rwWlx2zlZ4RmVh3P7fFmwn5qOS0cjMm17 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MN2PR13MB3957.namprd13.prod.outlook.com;PTR:;CAT:NONE;SFS:(136003)(376002)(366004)(39840400004)(396003)(346002)(2906002)(6512007)(36756003)(316002)(8936002)(83380400001)(110136005)(4326008)(478600001)(186003)(2616005)(8676002)(86362001)(6486002)(76116006)(71200400001)(66446008)(64756008)(66556008)(66476007)(91956017)(66946007)(26005)(6506007)(5660300002);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: 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 x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="utf-8" Content-ID: <8BE48F4F8CDF354EB24F4248D3D3CC93@namprd13.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: hammerspace.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN2PR13MB3957.namprd13.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 46e29e7f-21b3-47d6-c538-08d85b107200 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Sep 2020 13:49:06.2087 (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-CrossTenant-userprincipalname: eY9+HWB1we2o9mVFpNXwSZ2WucbNuQ4T+NcAgkAxrn2kN39eFlJaWY5icECaHz4OlpbfubM8SrshJrY1RjNnJQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR13MB3728 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org T24gV2VkLCAyMDIwLTA5LTE2IGF0IDIyOjQ4ICswMDAwLCBOYWdlbmRyYSBUb21hciB3cm90ZToN Cj4gVGhhbmtzIGZvciB5b3VyIGNvbW1lbnRzLCBUcm9uZC4NCj4gDQo+ID4gTm90ZSB0aGF0IHRo ZXJlIHRoZXJlIGlzIG5vIFJGQyAyMTE5IG5vcm1hdGl2ZSBNVVNUIG9yIGV2ZW4gYQ0KPiA+IFNI T1VMRC4NCj4gPiBXZSB0aGVyZWZvcmUgZXhwZWN0IHRvIGJlIGFibGUgdG8gcmV1c2UgdGhlIGNv b2tpZSB2ZXJpZmllciB3aXRoIGENCj4gPiB6ZXJvDQo+ID4gY29va2llIGluIG9yZGVyIHRvIHZh bGlkYXRlIHRoYXQgdGhlIGNvb2tpZXMgdGhhdCBvdXIgY2xpZW50IG1heQ0KPiA+IHN0aWxsDQo+ ID4gYmUgY2FjaGluZyAoZS5nLiBpbiBhbm90aGVyIG9wZW4gZmlsZSBjb250ZXh0KSBhcmUgZ29v ZC4NCj4gPiBFaXRoZXIgd2F5LCBhcyBJIHNhaWQgcHJldmlvdXNseSwgdGhlIHBhdGNoIGlzIGlu Y29ycmVjdCBzaW5jZSBpdA0KPiA+IGlzDQo+ID4gc2V0dGluZyB0aGUgdmVyaWZpZXIgdG8gemVy byBpbiBhIGNvbnRleHQgd2hlcmUgaXQgY2Fubm90IGd1YXJhbnRlZQ0KPiA+IHRoYXQgdGhlIG5l eHQgY29va2llIHNlbnQgaW4gYSBSRUFERElSIGNhbGwgd2lsbCBiZSBhIHplcm8uIA0KPiANCj4g UGxzIGNvcnJlY3QgbWUgaWYgbXkgdW5kZXJzdGFuZGluZyBpcyBub3QgY29ycmVjdCwgYnV0IHNp bmNlIHdlIHN0b3JlDQo+IHRoZSANCj4gY29va2lldmVyZiBpbiB0aGUgaW5vZGUgKHNoYXJlZCBi eSBhbGwgb3BlbiBjb250ZXh0cyksIHdoaWxlIGV2ZXJ5DQo+IG9wZW4NCj4gY29udGV4dCBoYXMg aXRzIG93biBkaXJfY29va2llLCBhbGwgY2hhbmdlcyB0byBjb29raWV2ZXJmICBfYXJlXw0KPiBi ZWluZyBkb25lDQo+IHJlZ2FyZGxlc3Mgb2YgdGhlIGRpcl9jb29raWUgdmFsdWUgaGVsZCBieSBv dGhlciBvcGVuIGNvbnRleHRzLg0KDQouLi5hbmQgdGhhdCB3b3VsZCBiZSBhIGJ1Zy4gVGhlIGRp cl9jb29raWUgYXJlIHRpZWQgdG8gYSBzcGVjaWZpYyB2YWx1ZQ0Kb2YgdGhlIGNvb2tpZXZlcmYs IHNvIHlvdSBjYW4ndCBqdXN0IGFja25vd2xlZGdlIGEgY2hhbmdlIHRvIHRoZSBsYXR0ZXINCndp dGhvdXQgYWxzbyBjaGFuZ2luZyB0aGUgZm9ybWVyLg0KDQpXZSdyZSBub3QganVzdCBjYWNoaW5n IHRoZSBkaXJfY29va2llcyBpbiB0aGUgcGFnZSBjYWNoZS4gV2UncmUgYWxzbw0KY2FjaGluZyB0 aGVtIGluIGFsbCB0aGUgbmZzX29wZW5fZGlyX2NvbnRleHQgdGhhdCBhcmUgYXNzb2NpYXRlZCB3 aXRoDQp0aGUgdmFyaW91cyBvcGVuIGZpbGUgZGVzY3JpcHRvcnMgZm9yIHRoYXQgZmlsZSwgYW5k IHdlJ3JlIG5vdCBjYWNoaW5nDQphIGNvb2tpZXZlcmYgdG8gZW5zdXJlIHRoZXkgYXJlIGludmFs aWRhdGVkIHdoZW4gdGhlIGlub2RlIGNvb2tpZXZlcmYNCmNoYW5nZXMuDQoNCj4gIElmIGFmdGVy IHRoZQ0KPiBjb29raWV2ZXJmIGNoYW5nZSwgYW4gb3BlbiBjb250ZXh0J3MgY29va2l2ZXJmIGFu ZCBjb29raWUgY29tYmluYXRpb24NCj4gYmVjb21lcyBpbnZhbGlkIGF0IHRoZSBzZXJ2ZXIsIHRo YXQgb3BlbiBjb250ZXh0IGRlYWxzIHdpdGggdGhlDQo+IEVCQURDT09LSUUgDQo+IGFzIGFwcHJv cHJpYXRlLg0KPiBmLmUuIG5mc196YXBfY2FjaGVzX2xvY2tlZCgpIGFsc28gY2xlYXJzIGNvb2tp ZXZlcmYgd2hlbiB0aGUgZGlyDQo+IGNhY2hlIGlzDQo+IHphcHBlZCwgaXJyZXNwZWN0aXZlIG9m IG90aGVyIG9wZW4gY29udGV4dHMuDQoNCk5vLiBTZWUgYWJvdmUuIA0KDQo+IEFsc28sIHNpbmNl IHdlIGRpZCBpbnRlbmQgdG8gc2V0IHRoZSBjb29raWV2ZXJmIHRvIDAgaW4NCj4gbmZzX2ludmFs aWRhdGVfbWFwcGluZygpLA0KPiBqdXN0IHRoYXQgaWYgdGhlIGRpciBjYWNoZSBoYXBwZW5zIHRv IGJlIGFscmVhZHkgcHVyZ2VkIChzYXkgYnkgYW4NCj4gdW5yZWxhdGVkDQo+IHZtICByZWNsYWlt KSwgd2UgY2FuY2VsIHRoZSBpbnZhbGlkYXRpb24uIFRoaXMgY2F1c2VzIHVzIHRvIHVzZSB0aGUN Cj4gb2xkDQo+IG5vbi16ZXJvIGNvb2tpdmVyZiwgYSBkaWZmZXJlbnQgYmVoYXZpb3IgdGhhbiBp ZiB0aGUgZGlyIGNhY2hlIHdhcw0KPiBub3QNCj4gcHVyZ2VkLg0KPiBJcyB0aGlzIG9rID8gSXNu J3QgaXQgYmV0dGVyIHRvIGNvbnNpc3RlbnRseSB1c2UgemVybyBjb29raWV2ZXJmIGluDQo+IGJv dGggY2FzZXMgPw0KPiANCg0KQ29tcG91bmRpbmcgdGhlIGV4aXN0aW5nIGJ1ZyBmb3IgdGhlIHNh a2Ugb2YgY29uc2lzdGVuY3kgaXMgbm90IGENCnVzZWZ1bCBleGVyY2lzZS4NCg0KSWYgdGhlcmUg YXJlIHNlcnZlcnMgb3V0IHRoZXJlIHRoYXQgdXNlIHRoZSBjb29raWV2ZXJmLCB0aGVuIHdlJ2Qg YmUNCmJldHRlciBzZXJ2ZWQgYnkgZml4aW5nIHRoZSBjb2RlLiBIb3dldmVyIG5vdGUgdGhhdCBz ZXJ2ZXJzIHRoYXQgY2hhbmdlDQpjb29raWV2ZXJmIHdpbGwgYnJlYWsgUE9TSVggcmVhZGRpciAo YmVjYXVzZSB3ZSdyZSBubyBsb25nZXIgYWJsZSB0bw0KdXNlIGNvb2tpZXMgYXMgYSBjdXJzb3Ip LCBzbyBJJ20gbm90IHN1cmUgdGhhdCBJIHJlYWxseSBjYXJlIHRvIHN1cHBvcnQNCnN1Y2ggc2Vy dmVycy4NCg0KLS0gDQpUcm9uZCBNeWtsZWJ1c3QNCkxpbnV4IE5GUyBjbGllbnQgbWFpbnRhaW5l ciwgSGFtbWVyc3BhY2UNCnRyb25kLm15a2xlYnVzdEBoYW1tZXJzcGFjZS5jb20NCg0KDQo=