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Sun, 8 Mar 2020 11:00:32 +0000 Subject: Re: disk revalidation updates and OOM To: Christoph Hellwig , Jan Kara Cc: Jens Axboe , viro@zeniv.linux.org.uk, bvanassche@acm.org, keith.busch@intel.com, tglx@linutronix.de, mwilck@suse.com, yuyufen@huawei.com, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org References: <93b395e6-5c3f-0157-9572-af0f9094dbd7@windriver.com> <20200304133738.GF21048@quack2.suse.cz> <20200304162625.GA11616@lst.de> <20200307142950.GA26325@lst.de> From: He Zhe Message-ID: <071c4f38-df7b-b094-1bd0-436fcdb05767@windriver.com> Date: Sun, 8 Mar 2020 19:00:22 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 In-Reply-To: <20200307142950.GA26325@lst.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-ClientProxiedBy: HK2PR02CA0134.apcprd02.prod.outlook.com (2603:1096:202:16::18) To SN6PR11MB3360.namprd11.prod.outlook.com (2603:10b6:805:c8::30) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [128.224.162.175] (60.247.85.82) by HK2PR02CA0134.apcprd02.prod.outlook.com (2603:1096:202:16::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2793.16 via Frontend Transport; Sun, 8 Mar 2020 11:00:28 +0000 X-Originating-IP: [60.247.85.82] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: fe39727a-faef-42d4-f457-08d7c34fec07 X-MS-TrafficTypeDiagnostic: SN6PR11MB3437: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; X-Forefront-PRVS: 03361FCC43 X-Forefront-Antispam-Report: SFV:NSPM;SFS:(10009020)(366004)(189003)(199004)(66556008)(66946007)(31686004)(2906002)(31696002)(8676002)(66476007)(81166006)(498600001)(2616005)(53546011)(16576012)(4326008)(956004)(81156014)(110136005)(6486002)(7416002)(5660300002)(26005)(52116002)(36756003)(16526019)(6666004)(186003)(86362001)(8936002)(4744005)(6706004)(78286006);DIR:OUT;SFP:1101;SCL:1;SRVR:SN6PR11MB3437;H:SN6PR11MB3360.namprd11.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; Received-SPF: None (protection.outlook.com: windriver.com does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: pmnz9DZOeEGRVSefxRD64iFVL9fYPQnmNEHMBZbBVg1/KoyDqG9G5m0V/fvffdS3gBuRkS0ZcfdhpTEvOiR6TDe6x6T4UYoZ/5PAFl5BRzrM1RGfOJUT0Ews9YBs9kYnJpA+cucMZEnhKnENQdi6OA== X-OriginatorOrg: windriver.com X-MS-Exchange-CrossTenant-Network-Message-Id: fe39727a-faef-42d4-f457-08d7c34fec07 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Mar 2020 11:00:32.7290 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ddb2873-a1ad-4a18-ae4e-4644631433be X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ThtOb61jj6gVJ7W+0dHau3OpiBZqArKG4bWjQgsHUgGBemXSqTlwXDInCIcdqEvwREjxhuiydr3tBQJ5UNpvMQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR11MB3437 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/7/20 10:29 PM, Christoph Hellwig wrote: > So I looked into this, and if it was just the uevent this > should have been fixed in: > > "block: don't send uevent for empty disk when not invalidating" > > from Eric Biggers in December. Does the problem still occur with that > patch applied? Yes, it occurs with that patch. The patch that introduces the issue and the one you mentioned above both went in in v5.5-rc1. I found this issue in v5.5 release. Thanks, Zhe