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Tue, 14 Nov 2023 08:13:38 +0000 From: lukas.funke-oss@weidmueller.com To: openembedded-core@lists.openembedded.org CC: Lukas Funke Subject: [OE-Core][PATCH 0/1] wic: extend empty plugin with options to write zeros to partiton Date: Tue, 14 Nov 2023 09:13:31 +0100 Message-ID: X-Mailer: git-send-email 2.30.2 X-ClientProxiedBy: FR4P281CA0334.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:ea::10) To AS2PR08MB8431.eurprd08.prod.outlook.com (2603:10a6:20b:55a::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS2PR08MB8431:EE_|PAVPR08MB9458:EE_ X-MS-Office365-Filtering-Correlation-Id: 7483d1b2-d12a-4fa3-1040-08dbe4e99af8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS2PR08MB8431.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(366004)(346002)(396003)(376002)(39860400002)(136003)(230922051799003)(64100799003)(186009)(1800799009)(451199024)(38350700005)(66946007)(66556008)(66476007)(6916009)(38100700002)(36756003)(86362001)(9686003)(6512007)(83380400001)(26005)(107886003)(2616005)(6506007)(6666004)(52116002)(4744005)(2906002)(478600001)(316002)(6486002)(4326008)(5660300002)(41300700001)(8936002)(8676002);DIR:OUT;SFP:1101; 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Tue, 14 Nov 2023 08:13:49 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/190488 From: Lukas Funke Adds features to explicitly write zeros to the start of the partition. This is useful to overwrite old content like filesystem signatures which may be re-recognized otherwise. The new features can be enabled with '--soucreparams="[fill|size=[S|s|K|k|M|G]][,][bs=[S|s|K|k|M|G]]"' Conflicting or missing options throw errors. The features are: - fill Fill the entire partition with zeros. Requires '--fixed-size' option to be set. - size=[S|s|K|k|M|G] Set the first N bytes of the partition to zero. Default unit is 'K'. - bs=[S|s|K|k|M|G] Write at most N bytes at a time during source file creation. Defaults to '1M'. Default unit is 'K'. Malte Schmidt (1): wic: extend empty plugin with options to write zeros to partiton scripts/lib/wic/plugins/source/empty.py | 57 ++++++++++++++++++++++++- 1 file changed, 56 insertions(+), 1 deletion(-)