Received: by 2002:a05:6a10:d5a5:0:0:0:0 with SMTP id gn37csp394928pxb; Thu, 30 Sep 2021 08:18:54 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxCUTifLAlXk3Jntp7+i2bY5StTrscMQfgIAijN7wPLeWLIYf5Hb42x5AZD8FxmJR9v+9DR X-Received: by 2002:ac2:4d99:: with SMTP id g25mr6506109lfe.175.1633015134359; Thu, 30 Sep 2021 08:18:54 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1633015134; cv=pass; d=google.com; s=arc-20160816; b=CoTvDJNnaih2QN3nnk4fPL31H8BZ+5CDj49gIsjSryH6SVXOyrsKq3qUvdkCl2rFi0 yglBghaHh4gtrXPN8ZHjqe1twj2olekyVlhS+Ewv/iXk8Mj2+KC6zy2yavY9nBfII+5u CDxsj2zQtryzr53OojTNAX3p/5Hm8/GzsFVyCrSxEGo87OomvW6TF/BiQb7qMyp0jM48 Ber1MvAaqqNICwZAjcIATC8bnaOu6Ka7oqm0ivzmy831oim2CN1wum7HpRN7JcMoXy6K ZYHCgHsA1MERNaX3ZRgADxywQy+fHn1AFPB7shik40JM0C9qczjGA6E0LSNHwrC2FjTj 1w7Q== 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=X5uJh7v2Tj/3s/PsIpSE71ujePS28JtnAF+SLKs3KA8=; b=farcGwoaVtaWbOUI/+PqNlDgt+kdgg7Uadi+Acm3pc4W5ePmrriAx6m54CbrnM2OlP yBbSGe1cfugjkcPdrhZtFIw5+3USdfdu2aifFbISKeyM/Ne1GPNLtgj6gphoh6eHwdmc VkeQkiQqsaTOmeH5/7YLiWrErFX56dNCgp0wZOsCh6awvqNQq9iwMcn0AEPNHVbgdtzj 9ZyMMifKC7601uNibMd+KJJUPNDI+h2T//v/sK/Ms5NmLd3fAvNMeXTUIIrFTmXq8Jrf NP9tQNj+dKO7iQkovF0soT0mvUT0MwluXM/el4eMXgu7SJgKzy+VoagxXObP1w+kawHv 0R8A== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@hammerspace.com header.s=selector2 header.b=KWP8YwyV; 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 z19si5215329edd.333.2021.09.30.08.18.23; Thu, 30 Sep 2021 08:18:53 -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=KWP8YwyV; 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 S1351588AbhI3OxD (ORCPT + 99 others); Thu, 30 Sep 2021 10:53:03 -0400 Received: from mail-dm6nam10on2128.outbound.protection.outlook.com ([40.107.93.128]:31649 "EHLO NAM10-DM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1351967AbhI3Ow5 (ORCPT ); Thu, 30 Sep 2021 10:52:57 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=WodOGfzbiRO4ePfke3mEKU7/NXTUqJlo/+ghwUaYcVDZIIdFcST9dl1n4owuwu/Ax2UIM499xLgxsqpn24iYfxc/EJi1/+d5AmxSpQbVZhl/0d5/nv/dveUVH0CJHsCP1ghbsF5Atlaas5nGc/fZWVsv97pAgt5YBIftxFj9T3HHqL1q36/0PjQejBOBpHZdYOz388nyffbkE3WSun2/CfJSx/ZRmjc+Qgt1YAG0BrvuRoI2sfr53M2p+wWcJcJsVkv3R3VLJ4sO2ETZmFoB+JcpbBM/z5Y7fQGKqR08jWbJLuvtVvTf+/OltUrOeKJiFLm+L7s9QIFVPDEoQWrtMQ== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=X5uJh7v2Tj/3s/PsIpSE71ujePS28JtnAF+SLKs3KA8=; b=F15kE10EbbOqhcXaYpZRoWxChnfE4+VJsSO2fFjzaZ9h+dZ9468/ZIVMNeGvlOqkJrkG1x/ZhNbElS2UnTNJ2dOZYfsL7CzsyDkaCdiHa8CysAyU5jizGWZA6HGtyeAFHi7V1ve6jXFtsMyRk/rQL50zOoOmhfhvMRYrGOSeOSK02OOcy4Eg99VDIK0Yu0m5Pjh+/LiQHqmr9ZeLsRcKFdxnJeYavVG3u/GhgRYdUs0ChRtxt8FY8FtiTq7a9CSld5AqUyb18fOV9+XbOR4uE0zRv8VCcT5vaonnhOdT/3tfEIq5yHCQcvST1c60cejww7XK2zfJRGM8vrmAzscVyA== 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=X5uJh7v2Tj/3s/PsIpSE71ujePS28JtnAF+SLKs3KA8=; b=KWP8YwyVYaSkzArUf69oS1sBP8tF2PHQfQkhGO2Wzg75+ZdBdC1LRSZHsMZSDzh20M3ReWyoHi3ojGFlh8L/obnDeYN6MMoRIUzCj0XNcCStkr8Bl9c6xR9A0yVnznfXyhNnCsH1tSUwVUZ6YyRWBH1/WZKm19zTk/qa5sjf5Q8= Received: from CH0PR13MB5084.namprd13.prod.outlook.com (2603:10b6:610:111::7) by CH2PR13MB4411.namprd13.prod.outlook.com (2603:10b6:610:6e::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4566.10; Thu, 30 Sep 2021 14:51:13 +0000 Received: from CH0PR13MB5084.namprd13.prod.outlook.com ([fe80::185b:505d:b35c:a3a2]) by CH0PR13MB5084.namprd13.prod.outlook.com ([fe80::185b:505d:b35c:a3a2%6]) with mapi id 15.20.4566.017; Thu, 30 Sep 2021 14:51:13 +0000 From: Trond Myklebust To: "bcodding@redhat.com" CC: "linux-nfs@vger.kernel.org" Subject: Re: [PATCH 4/5] NFS: Further optimisations for 'ls -l' Thread-Topic: [PATCH 4/5] NFS: Further optimisations for 'ls -l' Thread-Index: AQHXtTjgd3gxxmyKIUOhzT+omYBuM6u7GfkAgAAYUICAAEJpgIAAA+yAgAEsEICAAAYXgA== Date: Thu, 30 Sep 2021 14:51:13 +0000 Message-ID: References: <20210929134944.632844-1-trondmy@kernel.org> <20210929134944.632844-2-trondmy@kernel.org> <20210929134944.632844-3-trondmy@kernel.org> <20210929134944.632844-4-trondmy@kernel.org> <558be6c89090b38cc9b679a0893649c5067cff14.camel@hammerspace.com> <46C79084-3586-4B63-A55F-7A3B9ED547CE@redhat.com> In-Reply-To: <46C79084-3586-4B63-A55F-7A3B9ED547CE@redhat.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: redhat.com; dkim=none (message not signed) header.d=none;redhat.com; dmarc=none action=none header.from=hammerspace.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 368658ba-f41f-4a3e-c48c-08d98421bf96 x-ms-traffictypediagnostic: CH2PR13MB4411: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: w8pQJ4cBDgwl+sf5/cX9zNTwNGjOGSps37OQC3J2KDz4RKfk9lygEs/dTYBfVRL7LoWdwckFoJ+fBrWGXpzxvgQqvV6806YLxEhpk+UrsyCOgl7PSb2ygccZL/PB7VrJDzoiDl+RSPT8sE3JiqnGv8nnZqPjVlFH/VEjeuJUMFfwQrvrKc9mq3RyUJ1XULx37xSQNfjayMslH8XTB6PCVK8B4Hz4pzFQd4I+VoTC3iq5+B2ZflNArxtlKrxfDwKs2mT5xUg9V/JPOdwlZUv3T3N2nRp8XuwoPz61eFMeJWw6R6UAD+hpHMVl1FAbsXI3JoEBE9smK9QphTa6XVl+Rq1lFTmJakpN4tk7p7dF6Xuhdza81aEHJgltRPH/5JyOjMDZ4umBcAkjSJ0Aw2EfpGyp1JizFAQIsIIJITUmcSDZ86x4StRSo5uGVOo6BCA8+aG0V/XPi84+5EvNzX5cJypTVNWDDO5DDLb/Qks9oss4mnvo/9qWLploz86gySCMxMrCzf7UCigJHvvB27eXy3Ue//VgyGt745EF7UHgHD4gdakzWBW6sa6y4JEEbW8NJRCQuh4twudCTjgJTZtDVKtQ1x3M6/3dfp2NhiyP6y9k8haeXeRmnj82jJF6e6D9p3HSlEWUeTfWzMfU+P7jKt8dw9pTP5py1sFmZ18UkNk7QAZ8Ybd3ejno5qhWksXj+YutLPD3TaynTw7fVqGI7w== x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CH0PR13MB5084.namprd13.prod.outlook.com;PTR:;CAT:NONE;SFS:(366004)(8676002)(66556008)(5660300002)(71200400001)(66446008)(64756008)(38100700002)(38070700005)(122000001)(8936002)(6916009)(4744005)(66476007)(83380400001)(66946007)(508600001)(6486002)(316002)(2616005)(186003)(6512007)(53546011)(76116006)(2906002)(4326008)(6506007)(86362001)(36756003)(26005);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?UjRCT2diRSt6dkNTK0xoUk1sbkcrRFRzNWdYcjhtMis4WS9HY0FVSnpRZTRa?= =?utf-8?B?ZjNWYm9JWUpMSWdDWnhrOS9yMTB4Z05SMGcvN1pGZkttUFFkd2xXL1BOajcr?= =?utf-8?B?NXh1MjE3V3pCZFdqaEpySW9MOEhFK1hFODZUQnoycGVhSUplcTh4d3ZWNzN6?= =?utf-8?B?REhQb21iUHdkNllvZVdvRjV6Uk01ZnhJM05kSEJ1ZXdBOTdjVENZQjBycEh5?= =?utf-8?B?YktJZFhta29BWjBtUjZUeXRNcmNjNEw5U2Rmb3NGODg5cWcrcHp2VThRaGNw?= =?utf-8?B?YXoySzVneGd4SndXSXRiT1RDTkJ4SFQ5RFIxWHhTMHo1RjYyMmlhUm90VlRS?= =?utf-8?B?UUFzbjRGT3B0NlY4R05zUU96WXhaZWVVQ2tPTFlRWlFEVm41ZHdMLzdwNitT?= =?utf-8?B?c0k0T2s5MWNNbVMrbkN1UTlhdXhaWDdWcjlFWFF0WkIyeDVDb2Z6ZGY2dnRw?= =?utf-8?B?VjZoejh6OWVWMklBaEN0U3R5RnVTVDhwL3ZzVDJ6anRFTSs3azZqcDJ4ZkZC?= =?utf-8?B?SG9tNFNlOFBUTFFyVjBiWTVIMWdRZ05mUC83SjMrUk02VTQ2T25tVXoraWxz?= =?utf-8?B?b2g2aHVla3pvVS9TZlltVkh3VnFGZ0xULzl2WThXSUtqNWZVK0hiTzlZNSty?= =?utf-8?B?Q2xVOGtGT3VZYXdZdmlQOTRpNE0xaVR4RWxzZWYyOGZiZjVWQkx3WHU2dnl4?= =?utf-8?B?SkRjTlp1dngzN1Q4SjBYOFo0WDQ1RGgramFnaFNHWXpVdHZzVU11VXVFSTZj?= =?utf-8?B?N0pEMGJSOUlpU0NCUWhYRC9iaUlxWWFKQ3prZDYrSkZxWFpTc0lkN0hPRlNl?= =?utf-8?B?WXhqc0NXa2Qvdy96OXdnWkZmK3c4a2F4TUxSZ1Blcmd0SEdXNzJ4dUxKN1ZC?= =?utf-8?B?b01pdzNTZnAzTDlQc2hIZnBSSWRQaUtUMWw5MjVUelpYeEtvSU16VmpvdktE?= =?utf-8?B?OU0ySllBUzd5VDhoYXNzL0VTL3ltN3VoMmtGdi84WElZWnZPRllJQ282aXVs?= =?utf-8?B?OXlkc3VGTlRvOExzV0ZiVllKek42emJoL0xBUTZwM1lnbkwrVjNYdWJRbmlZ?= =?utf-8?B?VHZnYmdFZ3orZXVWZ0VKcHVxdS9kRlFBYWZIUEhSZXMyTDFkWWI0bmRUeFRQ?= =?utf-8?B?WHcwRXNwZU5nQThIUlZOenlnMG5XR0dlUUllUVVuWkJwaEFMc0JUdmtvLzd5?= =?utf-8?B?bDhzUXdBSXlTZHR0UEgwc09KSUg3dHVhOXJpeW9hdGZZMGZHYld6NTJQaEtX?= =?utf-8?B?WkxJREVZcTRkUm9OSC9CWkFJdnBraWhwZllMcU1qL1ltdkJBQVloSURUdnJz?= =?utf-8?B?bFNINDZoVEc2SWlJOTdvOGwyU1NTOW55T3k1RkRWWk91Wm5MQ25TdXg0ZlUy?= =?utf-8?B?bkF3SnhDa1prSzF6TlR4SmtVNmtjYWNTODRnU3pob21QUkZNU3pNMmp4MmJN?= =?utf-8?B?MTlEYXJDKzJqTXYyODNHZHdyN2hCWTFlTnJFSXJwRDVmV3ViMGlIZXhlTTla?= =?utf-8?B?NVllcjgvSmZBeFVHdHVZWm14SVZNV043cDd2RFEyQ1dpTmRVZGw5K1p1RmlP?= =?utf-8?B?KzBFMzBrbTVIMkRaQVUxa0VTMVdETzhGNFVWc3ZhSDZuaG15ODlyUEdsMmox?= =?utf-8?B?SDJRbHI5M2tFOTV3b1NYSUtTY1hvWkxVQXhEYUV3bFJyNURkbnJiTTNaNGEw?= =?utf-8?B?Mm0zMTMvV0NvdDdubURCRHV0VlJsbSsyR1FOOVUyL3FjMHgvSXQrV1JxYlBI?= =?utf-8?Q?/s2DhiwCt2E/GSpzLQCUQDB/6blnXJbfZJPlUUx?= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="utf-8" Content-ID: <60B66E0AB7DCD5458DC4CFA58DDBB97D@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: CH0PR13MB5084.namprd13.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 368658ba-f41f-4a3e-c48c-08d98421bf96 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Sep 2021 14:51:13.1716 (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: qP/ojQGapv2BP1wetpoKBQLiYTOP+eEaD0b1MN6yDl3h3Rq3KOkNydWjSKCUQX8RNT9iFBn4QalOSxNIxOccVw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR13MB4411 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org T24gVGh1LCAyMDIxLTA5LTMwIGF0IDEwOjI5IC0wNDAwLCBCZW5qYW1pbiBDb2RkaW5ndG9uIHdy b3RlOg0KPiBPbiAyOSBTZXAgMjAyMSwgYXQgMTY6MzUsIFRyb25kIE15a2xlYnVzdCB3cm90ZToN Cj4gPiBJdCBpcyBjb25jZXJuaW5nLCBhbmQgaW5kZWVkIGluIG91ciB0ZXN0IHdlIGFyZSBzZWVp bmcgUkVBRERJUg0KPiA+IGFtcGxpZmljYXRpb24gd2l0aCB0aGVzZSBtdWx0aXBsZSBwcm9jZXNz IGFjY2Vzc2VzLiBTbyBzY2VuYXJpb3MNCj4gPiBsaWtlDQo+ID4gdGhlIG9uZSB5b3UgZGVzY3Jp YmUgYWJvdmUgYXJlIGV4YWN0bHkgdGhlIGtpbmQgb2YgaXNzdWUgSSB3YXMNCj4gPiBsb29raW5n DQo+ID4gdG8gZml4IHdpdGggdGhlc2UgcGF0Y2hlcy4NCj4gDQo+IEkgc3BlbnQgc29tZSB0aW1l IHRyeWluZyB0byB0cmlnZ2VyIHRoZSBzY2VuYXJpbyBJIHdhcyBjb25jZXJuZWQNCj4gYWJvdXQs IGJ1dA0KPiBJIGNvdWxkbid0IGdlbmVyYXRlIGFueSBvcCBhbXBsaWZpY2F0aW9ucy7CoCBGZWVs IGZyZWUgdG8gYWRkIG15Og0KPiANCj4gVGVzdGVkLWJ5OiBCZW5qYW1pbiBDb2RkaW5ndG9uIDxi Y29kZGluZ0ByZWRoYXQuY29tPg0KPiBSZXZpZXdlZC1ieTogQmVuamFtaW4gQ29kZGluZ3RvbiA8 YmNvZGRpbmdAcmVkaGF0LmNvbT4NCj4gDQoNClRoYW5rcyBCZW4hIEkgcmVhbGx5IGFwcHJlY2lh dGUgeW91ciBoZWxwLg0KDQoNCi0tIA0KVHJvbmQgTXlrbGVidXN0DQpMaW51eCBORlMgY2xpZW50 IG1haW50YWluZXIsIEhhbW1lcnNwYWNlDQp0cm9uZC5teWtsZWJ1c3RAaGFtbWVyc3BhY2UuY29t DQoNCg0K