Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp877432ybb; Fri, 3 Apr 2020 13:34:40 -0700 (PDT) X-Google-Smtp-Source: APiQypL3JFUgh0ZCrWTWLMizSMQR8Xm9ZSrMsHumgINfoICEMccZO05VsECRLt9bJcu5Sgi5IcLL X-Received: by 2002:a05:6830:3150:: with SMTP id c16mr7545657ots.251.1585946079865; Fri, 03 Apr 2020 13:34:39 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1585946079; cv=pass; d=google.com; s=arc-20160816; b=HAnu9v1hKALCZmsDaIh3HGofR6+818COxOfK7ZaE8MoId5td6lOVTqmPq1lnrzlUCp N/WmJm+wRSG1MvFh7zLRe8isPDusr7aUh4EFb9kdJBqGjj5Ir8ghwATaMVNgg+7Y9fT/ wRqdzetRjrDE1/cnrnMPLxl8WEBsN16U/VMpJkApF49gADsJslA8Dodm3mbk4s1vrsk4 IEWUAiZQyyFYZKS+VdBS5/dsKNVtz5Fb0++PxcpjF38zAkCOCotgZvqRfdFUhBRmaLmv hHzcpOwDTRNWY/atxwo4UEISdgwru4YOGToZzqbJ0ocqphwLbzHxQoB23WO06iIbbnXG fgng== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :wdcipoutbound:content-language:accept-language:references :message-id:date:thread-index:thread-topic:subject:cc:to:from :dkim-signature:ironport-sdr:dkim-signature; bh=ylG8HtgSwNNAsvhFRzAb+4W0lWFHYX3md4drwkGNgtg=; b=zEM4Tq+J7dNl7Kgfvud7Jw3aYQ1E5MLb+gqieHCrNqipLHdEWCF0432y+wX4LH3BcB pg4oFG1LrEYvYzpyDBBvrRRjdbaAb/BwMNCDAHaT4fT0LJN/E+lfJtxAWP7+GYPkLHza ezz0o7JC/WICAKGphD8DgSdVXlb6Vojfj3ollBjp+VdvBzB54C0z3taIXqsMal5X5qJ8 NOIA2atKGiSGR6OXfWzekhR3WqCi6zuZ9WaOY986DDAv/E72IJNDTjeVDFmmfTYH4URK IIUXHRJLM0IV3vVefS8wfCKNsyxeXlw4AEqNeFywfUnZNStEGVpdUdBUm9j5yPJTUGI6 AiPg== ARC-Authentication-Results: i=2; mx.google.com; dkim=fail header.i=@wdc.com header.s=dkim.wdc.com header.b="U3Z7I/qS"; dkim=pass header.i=@sharedspace.onmicrosoft.com header.s=selector2-sharedspace-onmicrosoft-com header.b=eEBu1XLk; arc=pass (i=1 spf=pass spfdomain=wdc.com dkim=pass dkdomain=wdc.com dmarc=pass fromdomain=wdc.com); spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=wdc.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id e24si4339044otk.203.2020.04.03.13.34.25; Fri, 03 Apr 2020 13:34:39 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@wdc.com header.s=dkim.wdc.com header.b="U3Z7I/qS"; dkim=pass header.i=@sharedspace.onmicrosoft.com header.s=selector2-sharedspace-onmicrosoft-com header.b=eEBu1XLk; arc=pass (i=1 spf=pass spfdomain=wdc.com dkim=pass dkdomain=wdc.com dmarc=pass fromdomain=wdc.com); spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=wdc.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728079AbgDCUcl (ORCPT + 99 others); Fri, 3 Apr 2020 16:32:41 -0400 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:37474 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727809AbgDCUck (ORCPT ); Fri, 3 Apr 2020 16:32:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1585945960; x=1617481960; h=from:to:cc:subject:date:message-id:references: content-transfer-encoding:mime-version; bh=ylG8HtgSwNNAsvhFRzAb+4W0lWFHYX3md4drwkGNgtg=; b=U3Z7I/qSn5JAelTG2XTmKobMqaaW13XTKpph1i0aCPkVaMAbrBlOuEHf 4a5QPwh4jIyTO8S27YdP1ebzBtqtR/PV9sOpK7frs7SfzTBKcUm2gr2kg 5bh6pvQOi7KZkuKcWh/yTkzNDGYv4HQisM2U8Qbnex1ys6V0F77BgeO6b 3Gp3sztKe8hgk+uOMVoxwBdAZzs090voyfeQlxY03WKAGZ6IphVq6r0C0 aEOJpB6+OUCJafBpUXKFw6LlLba+ZFBFTuYrQnyEMnQ+aLm+9UhOocn5H mi40JpWvXPGx++Y6vIxT+L7QQ+c6sUT0JKVqWzeu3dGej76OialWeyRLa w==; IronPort-SDR: MfkCdQnleznSwbWjy2dARuMlINjU48IjJXfEfJMG8rPmtei5A6Eqx8o+YBdpXQvFcoEKUp8Du3 3f/n3kVjMd/CFm7RPeayQ9kJkOWRDHivBI+AvH5NDtB9Jrupm9wjziKUmpC9JpcjFxA4ZXJlM1 UFfmWiok0wRZs12B6Ie24r3q5nhUwsXGgkAa+YEuAuH9AQK1JFwdLnzrJD7C4aoCjgUavGNatC MwpoHfWm6TvM9XA3VCschQ7Mmzx3j3e3lqaxU+LIpLzlATZw4l3fOcDl5lBxoPFHVZpPZdjq0V KBU= X-IronPort-AV: E=Sophos;i="5.72,341,1580745600"; d="scan'208";a="243053733" Received: from mail-bn8nam12lp2172.outbound.protection.outlook.com (HELO NAM12-BN8-obe.outbound.protection.outlook.com) ([104.47.55.172]) by ob1.hgst.iphmx.com with ESMTP; 04 Apr 2020 04:32:39 +0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=LL/d/CvF+Jbhpo0cEK9UJrJD45iyT7d+Hm1jl537FTIW7v1VTkJcW74pQlNCzk7GFQuKxDmigOadORh3uQ9sXv9BZa9NdT1dkAq2AV0OG2zQtVmiSxCe+rIUr5zRsEVZbsn2hSGlsgfVMz4PT4X+X3z92TgW8ILNxdf8vRLpUjOVE3Z3I92iacCu6E9QglIvgYTWNH9qv9NPibEzEeX1vG8HcaT+F+QNh8ORudRd4OZcJwRbgEydFPmpVtimQ7ScS1SYOJlhdgRRJvEuJUYonIMMDiIXcw/nE23W6iN3ULLYvynbvUzWdaEC0sJL77zYbCJleY5J0tpFByHSTRUi5Q== 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=ylG8HtgSwNNAsvhFRzAb+4W0lWFHYX3md4drwkGNgtg=; b=katweua2Sb38hUSYuAqKbxcRnJEW7GCYbf3vu4RxBgsug1alWl7LcTiXfOr09cWrKVYmGMl6z4yqwDak9PbSlCuhJbsJqMiRWxKMBpopIB89d2YtX0OJ2b8fPDKQJLOxnrXwdi+g0NvajK2/SZGQqGPif/zV+vWYy1EdMszmbYn5aO3BYpN/dgW/CdrDQHUFnehr/jxKLdIyIaPLqWZGXbjzaSGDqhf9cnSu22dShRqpCe6Ppjnir4Ee8pVeuZohpcG4TeSPNZW/cNdDWvZrQpybLCX81tC2CvgwmoL/F6A+hLlawvm8Q2g3FPGSVHij0sTyo8b1lQRayW6JdPrqbg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=wdc.com; dmarc=pass action=none header.from=wdc.com; dkim=pass header.d=wdc.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector2-sharedspace-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ylG8HtgSwNNAsvhFRzAb+4W0lWFHYX3md4drwkGNgtg=; b=eEBu1XLkDWHfENEUV7ZZqR2odHLqA7ZbMVm8qZowBg+mFJmOQ31tO0tJ0fdydHx+bpTbRgvEB0JAYIReWb4ILHteMtKxUZGJ3x4Ok+dybEbyKFHUhge6NuyzzvjIaGaP3q4zDZxqZASNa0/W8z0TdoolmQyRD9pDn0IhwXtWpts= Received: from BYAPR04MB4965.namprd04.prod.outlook.com (2603:10b6:a03:4d::25) by BYAPR04MB4296.namprd04.prod.outlook.com (2603:10b6:a02:fa::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2856.18; Fri, 3 Apr 2020 20:32:38 +0000 Received: from BYAPR04MB4965.namprd04.prod.outlook.com ([fe80::d826:82b2:764f:9733]) by BYAPR04MB4965.namprd04.prod.outlook.com ([fe80::d826:82b2:764f:9733%7]) with mapi id 15.20.2878.018; Fri, 3 Apr 2020 20:32:38 +0000 From: Chaitanya Kulkarni To: Anthony Iliopoulos , Christoph Hellwig , Sagi Grimberg CC: "linux-nvme@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] nvmet: add revalidation support to bdev and file backed namespaces Thread-Topic: [PATCH] nvmet: add revalidation support to bdev and file backed namespaces Thread-Index: AQHWCSVL06kuVSKmBEqONSGslHKI9A== Date: Fri, 3 Apr 2020 20:32:38 +0000 Message-ID: References: <20200402193052.19935-1-ailiop@suse.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Chaitanya.Kulkarni@wdc.com; x-originating-ip: [199.255.45.62] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: a1ddf8ce-9533-4e6f-b20f-08d7d80e267a x-ms-traffictypediagnostic: BYAPR04MB4296: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:5236; x-forefront-prvs: 0362BF9FDB x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BYAPR04MB4965.namprd04.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(10019020)(4636009)(39860400002)(346002)(366004)(136003)(376002)(396003)(478600001)(4744005)(55016002)(110136005)(4326008)(54906003)(316002)(186003)(7696005)(66556008)(86362001)(53546011)(33656002)(52536014)(8936002)(66446008)(5660300002)(8676002)(66946007)(66476007)(76116006)(6506007)(81166006)(71200400001)(64756008)(26005)(9686003)(2906002)(81156014);DIR:OUT;SFP:1102; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: c9cpWM3OqsL37p3YwT2vJz2f+IhxoQiidGIaMiVM2xpg0yY833kU8qYpbXKnJEboXw+n9iHk0gU3lXS0gpg5dDQLTMYxNK+PeNGp9LvK9AWc4YBznaLt/AgfbiSsI0jw/PFBShU9BRSdI7K9CrTZiXvwPqDXV5bBLaphzw41hXTnGmSWxiuQ+iZwSABNZhZtiwpuEEBHqceJLtumB/aVM59WDAypXm2PNDqCxM0zgXSEIjeMJLsWjw/hAjHglb+GDPf3BMl2zC3sELrc5wmu4EUeiN1pHc1UrdihPTunJag14g4Zfl1vi6sK9RIaYDCKy/hCAuqgeNp6thHEQy0TF2p46xOmhgvflCOBd9iGNAX/uvUK4honfN4t7IoHFeQepriX3RylDKfE1LMzQg4Qiz1fiJc+qDgo0RkUOt/NG3pCJQVTkOWYmO4rMqHsaqYU x-ms-exchange-antispam-messagedata: Ko7m3DXITTVB/LAYA5khRsnVSvGApbtrD6CsqUKDH5JGdfSomrKBqPBGpxF/a1RqfZgskaSHGmpPGjZVgxYAFT7Q7QfOdzlDKHssLbXT0j/iPS0Vz2AbBuSXBCaNmLJ+jYAcxdhieTvRC9aheWi96g== x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: a1ddf8ce-9533-4e6f-b20f-08d7d80e267a X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Apr 2020 20:32:38.2081 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 7Ls3/VWuE3mGVr0U3JfCCRPNLJEGNyA7kuFjktVUMp8vzydGc0AdG+/UsSM1cmGrleU1Ek/YBRs37vNSL5+MbyPtshbMKubBrlyzqaOAjTY= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR04MB4296 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/02/2020 12:31 PM, Anthony Iliopoulos wrote:=0A= > Add support for detecting capacity changes on nvmet blockdev and file=0A= > backed namespaces. This allows for emulating and testing online resizing= =0A= > of nvme devices and filesystems on top.=0A= >=0A= > Signed-off-by: Anthony Iliopoulos=0A= > ---=0A= =0A= Please ignore my duplicate comments from other, I try not to read=0A= other's comments before the review.=0A=