From mboxrd@z Thu Jan 1 00:00:00 1970 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=-4.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 75E5DC49ED6 for ; Wed, 11 Sep 2019 20:43:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 35FD72082C for ; Wed, 11 Sep 2019 20:43:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="Vf3GX8ka"; dkim=pass (1024-bit key) header.d=sharedspace.onmicrosoft.com header.i=@sharedspace.onmicrosoft.com header.b="P/PVExw/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729030AbfIKUnT (ORCPT ); Wed, 11 Sep 2019 16:43:19 -0400 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:13803 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728998AbfIKUnT (ORCPT ); Wed, 11 Sep 2019 16:43:19 -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=1568234598; x=1599770598; h=from:to:cc:subject:date:message-id:references: content-transfer-encoding:mime-version; bh=aogmk4FuBrjd87UsgV5gMKB2uVgd7f9o/TTL+qWFMAY=; b=Vf3GX8kaxqjUZ9Rwc9xDrtrL9kA/o4vxa9I1MTDFfuiNRswuMxTJljO8 +8i74SxBTDbYB5t7PX0A2jo4zBiN2MyT90rA+zKUJUq6AvtqY4NGdt9VY Cy74uWk39T44I5ufEld0eH+Y5oSk0Po7myl9E089S2vMDmoxiq/O5AGaY EmZb0TpirdibheuuLZTBJU1344b8ey6iZosfX4cAkeJRHFLrRhU7PcAiJ pLKHFzKUwud5PH1I5GM3vhcn1FsEwZLPEdJO/PpH5QSa+MpgXHFU/aZBF s3+5vbneM+EAjc7XRdqqFVwW6MYcDxs4W11UFn2BV3wP2KW/P2aMlNMF4 Q==; IronPort-SDR: IQ2KiWAkylZZrI6mt0wB85MScQ+zWKOIjzSo7OaxmHvJCyoZLSPc2SO2cdLF3Rkk9oHHmemnHW 68RF6tgeSJWTimrcMeOWqGAAgU4ldnMGTRaqzLgEF8O3kEwGo1l7QOsnx6SDsDnxZ3GkNUCw7H jK7ZfyuA6xWAjRZWmrpdnqwQCFe8cppyR61hFmj5ZQmEzH0TJNwsE1D92FtHLDNP6sIVlkVbr0 tXISleWZAsxAzQcWCVvipWQM0xnhxeorVk2TP0aZVLNgurit+zE8jOusLgix9lPVCRKDs8AYhv 7es= X-IronPort-AV: E=Sophos;i="5.64,494,1559491200"; d="scan'208";a="224809303" Received: from mail-by2nam03lp2057.outbound.protection.outlook.com (HELO NAM03-BY2-obe.outbound.protection.outlook.com) ([104.47.42.57]) by ob1.hgst.iphmx.com with ESMTP; 12 Sep 2019 04:43:18 +0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=acbDPlbYj9QHE9UBaKCvp02p6pCwkPIJg0XUfMtd5c20YozeEvf3c8M50oWRQAVGRdpvRvi42wVzG/x2cXLpSMt+8R/YXLqZA1P3eqFNba061irj5JXErQc233gggdK0Akg+Bkq8Prah2RxB4spRXof67cTjbim95yKQEw3hMaGPC/3bDejRODHtPGBvNR17jBgJCvDA996RShh5nqRKU6tf5Kq1sjt2n/Gw/i5yiuoaTLFmeX66m++CJ8VE05PIf6BfNhqZB6PTAoLAChaebPxRwr8MQmOXdD3qPtZdjPajUH8rgl6Cu/25fET51mApMp/FM7I1D65Wz7PKz/35ng== 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=hBtcndzfkSb/KYs35qzvbNK+QXgxtBFtTvmlp5j+USQ=; b=lWmZ+vQvA0NEkbwbMzy3LhFEUBSFTU+KRZRVGUznSWD5Tk6+97x1lo1xvNmFeY2jATfR7sbCXZ6SwAwlbJM8wJct4I7nqHsrdKzs/hy0iTx7vxh6CHONJSX6BAafEb86rYXQzwCITzhYvN+n/NUshThev8BtLptsMg2BJVkxz8V3hhsCDdPB9oBAU1TWE8upln7B0zTQOW60mcZ/HRNiyCb+yuxHBHMAH/CUUomIlpGOmd+netxgJdilbQTEhoVVEzu+ypHpAi7DUXfE/CHV9RRmbQCQ5fVataI9CujfSOqW3Jr/ZpnVtaP9ftGdZ9hfAiqxxWIOygB+hmbb7tovaQ== 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=hBtcndzfkSb/KYs35qzvbNK+QXgxtBFtTvmlp5j+USQ=; b=P/PVExw/SBPPjjh4FaiEnE7aUwtZpZCkQqmt+n9ODdK3uZtm0kFybf/ELalnKkOoPvWuVbuDGaUKHQjMjD7eMGBBrLmO4/OlKq/3X3Xi3ThjaBfe3Rg8bwzFWtbiJTtK6DizWOtQHFbz5Vhq4SfMkN4Dcr5o1/YrLFzh6iXeEYg= Received: from BYAPR04MB5749.namprd04.prod.outlook.com (20.179.58.26) by BYAPR04MB5895.namprd04.prod.outlook.com (20.179.59.141) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2241.14; Wed, 11 Sep 2019 20:43:17 +0000 Received: from BYAPR04MB5749.namprd04.prod.outlook.com ([fe80::6169:680:44fc:965d]) by BYAPR04MB5749.namprd04.prod.outlook.com ([fe80::6169:680:44fc:965d%6]) with mapi id 15.20.2263.016; Wed, 11 Sep 2019 20:43:17 +0000 From: Chaitanya Kulkarni To: Yi Zhang , "linux-block@vger.kernel.org" CC: "osandov@osandov.com" , "ming.lei@redhat.com" Subject: Re: [PATCH V3 blktests] nvme: Add new test case about nvme rescan/reset/remove during IO Thread-Topic: [PATCH V3 blktests] nvme: Add new test case about nvme rescan/reset/remove during IO Thread-Index: AQHVaH568r42hmDZu0+VDaUwCREbgg== Date: Wed, 11 Sep 2019 20:43:17 +0000 Message-ID: References: <20190911085343.32355-1-yi.zhang@redhat.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-correlation-id: 6dadd3b4-f770-4993-11c6-08d736f8acd7 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600166)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020);SRVR:BYAPR04MB5895; x-ms-traffictypediagnostic: BYAPR04MB5895: x-ms-exchange-purlcount: 2 x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:854; x-forefront-prvs: 0157DEB61B x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(4636009)(39860400002)(376002)(366004)(396003)(136003)(346002)(199004)(189003)(478600001)(6246003)(25786009)(6436002)(8676002)(5660300002)(55016002)(4744005)(81166006)(81156014)(53936002)(2906002)(9686003)(6116002)(3846002)(229853002)(33656002)(316002)(4326008)(6306002)(110136005)(256004)(7696005)(446003)(86362001)(102836004)(476003)(53546011)(6506007)(26005)(186003)(76176011)(71190400001)(71200400001)(99286004)(8936002)(54906003)(486006)(52536014)(66946007)(74316002)(66476007)(66556008)(66446008)(64756008)(966005)(2501003)(66066001)(305945005)(7736002)(14454004)(76116006);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR04MB5895;H:BYAPR04MB5749.namprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: tqjburBVatmIz0HYK6ticZs7Ztd8kelPVaW5hJ0pSEQKIITtUEZ0Bbnt2PV4QulEPdPYxqdzvVNt8wtFMrJPEiQPNT7P8M5YvN3I/o1GaFgVrbD9iBjpQe8l9u1VpxK/tYnINRA5oQAu4RE3OLTxzFxoiWfm2ebRz34fVQt+pkhN0eOxD3oqvdVZGgnPzzexiGlR7ohAuUsgrSfHl78n6olnbKoVEJBMX/W5vYJ4mr2k5Inuwakb4gA7NYzAN3TfJPEUAzhl5sHVicMXGwtE1IFo0n7/DCGrqVMCjjh0m5YcrnEd66K3rFcI+CigOeyeNjrx70ooV1KhApBxroLNMXTpAwIMRAV9ez1YBZqvvrpLxA+VNI5TYO3HzZHQbC2cCU8crU0epNClAZtIXGK+uNkOZlK2hUUKaiLTw3d1hJE= 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: 6dadd3b4-f770-4993-11c6-08d736f8acd7 X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Sep 2019 20:43:17.4050 (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: uZrye0r+BjwnKc1EQShzVda8MjbdB6jMcyydcqu8zvhWx3JO+9UWLONkg0fJ7Ew5P1GhCOXg9xSleYsYvocbHvb0A2SkSHaU8heMh3ZCauM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR04MB5895 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Looks good.=0A= =0A= Reviewed-by: Chaitanya Kulkarni =0A= =0A= On 09/11/2019 01:54 AM, Yi Zhang wrote:=0A= > Add one test to cover NVMe SSD rescan/reset/remove operation during=0A= > IO, the steps found several issues during my previous testing, check=0A= > them here:=0A= > http://lists.infradead.org/pipermail/linux-nvme/2017-February/008358.html= =0A= > http://lists.infradead.org/pipermail/linux-nvme/2017-May/010259.html=0A= >=0A= > Signed-off-by: Yi Zhang=0A= >=0A= > ---=0A= >=0A= > changes from v2:=0A= > - add check_sysfs function for rescan/reset/remove operation=0A= > - declare all local variables at the start=0A= > - alignment fix=0A= > - add udevadm settle=0A= > - change to QUICK=3D1=0A= > changes from v1:=0A= > - add variable for "/sys/bus/pci/devices/${pdev}"=0A= > - add kill $!; wait; for background fio=0A= > - add rescan/reset/remove sysfs node check=0A= > - add loop checking for nvme reinitialized=0A= >=0A= > ---=0A= =0A=