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Tue, 13 Oct 2020 15:00:48 +0000 From: Pavel Tikhomirov To: Miklos Szeredi Cc: Pavel Tikhomirov , Amir Goldstein , Vivek Goyal , linux-unionfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 0/2] ovl introduce "uuid=off" Date: Tue, 13 Oct 2020 17:59:52 +0300 Message-Id: <20201013145954.4274-1-ptikhomirov@virtuozzo.com> X-Mailer: git-send-email 2.26.2 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [46.39.230.109] X-ClientProxiedBy: AM0PR04CA0132.eurprd04.prod.outlook.com (2603:10a6:208:55::37) To AM6PR08MB4756.eurprd08.prod.outlook.com (2603:10a6:20b:cd::17) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (46.39.230.109) by AM0PR04CA0132.eurprd04.prod.outlook.com (2603:10a6:208:55::37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3455.24 via Frontend Transport; Tue, 13 Oct 2020 15:00:47 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: f2db57e7-67c9-4dcf-14bc-08d86f88c480 X-MS-TrafficTypeDiagnostic: AS8PR08MB6184: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4941; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: X14tJLIiqRE4fnysrQtMl5BNgik7FlnTbhEe3UEhKdeUgEzz04PWEDZEx+KUzUhmhNN5Hj3cQhUfYAt2vOCEnL/Gh5JSxdhqUY+RiXb0Judr/EBATPkc4Du5876WtNKaZpTv2h2x3ZLTFdVG3NVOwY2LoyEMVPYmDPUVMCYr0cCi8TqNqrPulRmI1MgugNATAO1dX2g4hBd4ZygPNyy4ultpfdUNY1QYOKm0nW1g+Gmnm9EwZo3jAaqEH0f3FPfqKF7e1OAiGFutBnvR1rUEkI2PTWHE7haOQ/8zTPqvOtNnrlVIBQvazMVsLSUQKPhmvSwP+m6bXGht/KojEtIStZSdda/sacTBZO2sNTT7/2XCF3nIEwUA5C2maMhK8bJT X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM6PR08MB4756.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(39840400004)(376002)(366004)(396003)(136003)(346002)(186003)(52116002)(26005)(1076003)(316002)(2906002)(6916009)(54906003)(6512007)(66476007)(66946007)(16526019)(6666004)(66556008)(69590400008)(4326008)(36756003)(83380400001)(2616005)(956004)(478600001)(8936002)(8676002)(86362001)(6506007)(6486002)(5660300002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-Network-Message-Id: f2db57e7-67c9-4dcf-14bc-08d86f88c480 X-MS-Exchange-CrossTenant-AuthSource: AM6PR08MB4756.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Oct 2020 15:00:48.0246 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ijs6fghQAY+2JtOq9U2dCg1E31Ohz7tbsj5CVDvOjblGSOE9UPpfn27GILVDrVLLz8JLDdvt1fQwBBlPbgk0eNQeF/Ar6VjNWsyza2hN4/c= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB6184 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a v5 of: ovl: introduce new "index=nouuid" option for inodes index feature Changes in v3: rebase to overlayfs-next, replace uuid with null in file handles, propagate ovl_fs to needed functions in a separate patch, add separate bool "uuid=on/off" option, fix numfs check fallback, add a note to docs. Changes in v4: get rid of double negatives, remove nouuid leftower comment, fix missprint in kernel config name. Changes in v5: fix typos; remove config option and module param. Amir, as second patch had changed quiet a bit, I don't add you reviewed-by to it. CC: Amir Goldstein CC: Vivek Goyal CC: Miklos Szeredi CC: linux-unionfs@vger.kernel.org CC: linux-kernel@vger.kernel.org Signed-off-by: Pavel Tikhomirov Pavel Tikhomirov (2): ovl: propagate ovl_fs to ovl_decode_real_fh and ovl_encode_real_fh ovl: introduce new "uuid=off" option for inodes index feature Documentation/filesystems/overlayfs.rst | 5 +++++ fs/overlayfs/copy_up.c | 25 ++++++++++++++----------- fs/overlayfs/export.c | 10 ++++++---- fs/overlayfs/namei.c | 23 +++++++++++++---------- fs/overlayfs/overlayfs.h | 14 ++++++++------ fs/overlayfs/ovl_entry.h | 1 + fs/overlayfs/super.c | 20 ++++++++++++++++++++ fs/overlayfs/util.c | 3 ++- 8 files changed, 69 insertions(+), 32 deletions(-) -- 2.26.2