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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?K2CA3fMnp0BJvs4CIxLHOW5ANTtXk+UjC6e/bThqJzCJ/prDohPndzhjs8nK?= =?us-ascii?Q?XV+XJJyYCBU0XCNYH+IC2yiFg/KHbCPy2G2LRiqhv7LR26BvqPKWuH3ScTSJ?= =?us-ascii?Q?LxRg+vGOC5REmPv3ttn9H875E+O56T18CGVFwLQXbsDI3Fu7gsNoKzUzlaxt?= =?us-ascii?Q?6wVUWZVPJGlgkaRdYpbMZ5C33qUBqnRWt1G0WXaxctM9ORbSgwug50LLyOWD?= =?us-ascii?Q?B9fKqMN7WmjCbODz2ZoHN3jokJC1h2Gmg5SGgmCehLh5V6eFqQ+wrxKf2/lu?= =?us-ascii?Q?mvnNS4XXG5f5kHh/N5lQSy0PT3O3MXnrAuKO57VQfiIdFVLJ4Z2h1XFHDnHK?= =?us-ascii?Q?e2FecOgJ9GJhAGSttj3RjdsYqObJbiIT5oQ0LRVjVAToUZsSJbQ7dnH5ZsYs?= =?us-ascii?Q?5ntuDMP1ffz1dgmNUgns/mAiaJ/0Mj+tUl6L8zIRWBAidcD6ut5OjtskJFMs?= =?us-ascii?Q?wtihsZ0R0X1bVObyXgIB7u/69GLSLO4r9dLJm92GVM2ZvbyWfW/YwsFK8W6i?= =?us-ascii?Q?nvbFhdjRGZgo7QlOnX8ey/K2clP3f6ukmbIbWx/IDNY8elhRXM802+hie1EX?= =?us-ascii?Q?4TX/8bGS5niFKoy6D04oC7E3woPpORnuTiJ4b+TLPHJK8WZudOQFZpIj4LLe?= =?us-ascii?Q?zodLCiMqBTj1PX8gH+p9j1JE9ixfSnw+AMh+vk6GMGnTBGL2HjIRQFeUGZfT?= =?us-ascii?Q?v53a2g3rLZeuoFPGcrbIA4vK5XwmAYPmyvxYkS9noTk08vuglJJvC8W507Jf?= =?us-ascii?Q?qLQnb5UXafGwz0PLDrHGeNyIJxZNXo79NVCxA1kNDH/tk1gffigYQKT0Ka/h?= =?us-ascii?Q?r5Wl8hB09dXthHgqbWORYhaDYvpTVw356UOczeuEEq9XQkDI0PZxHynRn6tC?= =?us-ascii?Q?W0LT9ZbljTvaFjfvUEQQooI4oir8lUCFVyNnjrERM7eniYjl+EL7Hj08g6QM?= =?us-ascii?Q?DJIW2I8DQKU17+GkbkukteHkX4qRimulBtwuwC4BVx+nnXSv3JLgxJjL3nEf?= =?us-ascii?Q?lqWYGnk59b/PPJoW0Ha3MuB06moRunli57E3hVZDQFgIk+LCCYH8kyV/esRN?= =?us-ascii?Q?R4/RYnWjimJ5I7cLWs9avKs53tcvg9yjVyPD6qH1GtP8qeslDWTUxIRBQEIb?= =?us-ascii?Q?oxd+eGLPW3T3y/YV7EQAcj/NweZTP/Ell4CQcg1CrDxOxxBeuwvL3BB9DKcn?= =?us-ascii?Q?+Yz+rJJMZh4RLHU5u0UquyU76fnH7M7ZdgYo2PW0wG7pKZWdWBcMA9+ictia?= =?us-ascii?Q?MvvXmqAEXtGKnvKvBpWKCXwviTB/VUlfiIEVtJ5oQSq2SXC7pWGuJUhktu+X?= =?us-ascii?Q?45OoH4jOdsDLpeYtgh9+h6bqn8myGOA6j+KybQwdgJkv0s9lHSCWS3S7OTLy?= =?us-ascii?Q?nztkYAil478SYS/CjhE0BFiSaTu4PE51vvs/CXtEBBJx4674KlxHdCJEVHTM?= =?us-ascii?Q?hua21kM0aUVDFXJcIk3+63FS3qYeX6frYi3xZm1x5EtlQaurcj+ILrvr6E1x?= =?us-ascii?Q?wvdgBYhYG/igNnYqfqmI0/0rKgvTx9nJE6qNC11/dPCkKu5DVadE2rSlfQu6?= =?us-ascii?Q?lTHh++MKNx197Go2oGscMpFM8GRH6emmKdRb8hsg?= X-OriginatorOrg: oppo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6697293b-f580-4cb5-3f85-08db6af15a45 X-MS-Exchange-CrossTenant-AuthSource: SI2PR02MB5148.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2023 03:01:44.0198 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f1905eb1-c353-41c5-9516-62b4a54b5ee6 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: JIC0P4AbuRE7r2p/CE9d65Q2C5mlEzB62cjSlcz7Ka0TvoGfT+qIYmcN7+xL2XuZ554ZzcOXn7GdQVu9jgi1Tg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: KL1PR02MB6259 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset introduces two ioctls to get or modify values in f2fs_inode's extra attribute area: * f2fs_ioc_get_extra_attr * f2fs_ioc_set_extra_attr The argument of these two ioctls is `struct f2fs_extra_attr', which has three members: * field: indicates which field in extra attribute area is handled * attr: value or userspace pointer * attr_size: size of `attr' The `field' member could help extend functionality of these two ioctls without modify or add new interfaces, if more fields are added into extra attributes ares in the feture. In order to reuse existed functions, several helpers are added to: * read inode chksum from inode page * get compress blocks * verify compression level And, a compress_option v2 is added to access compress level and flags. Thanks, shengyong v4: * split into small commits v3: * setting lz4(hc) level correctly v2: * fix compiling error if CONFIG_F2FS_FS_ZSTD is disabled by adding a helper f2fs_is_compress_level_valid() * fix compiling warning for casting unsinged long long to pointer Sheng Yong (6): f2fs: add helper to check compression level f2fs: cleanup MIN_INLINE_XATTR_SIZE f2fs: add helper to get inode chksum from inode page f2fs: add f2fs_ioc_get_compress_blocks f2fs: add f2fs_ioc_[get|set]_extra_attr f2fs: access compression level and flags by extra attr ioctls fs/f2fs/compress.c | 31 +++++ fs/f2fs/f2fs.h | 4 + fs/f2fs/file.c | 280 ++++++++++++++++++++++++++++++++++++-- fs/f2fs/inode.c | 21 +++ fs/f2fs/super.c | 6 +- fs/f2fs/xattr.h | 1 + include/uapi/linux/f2fs.h | 33 +++++ 7 files changed, 359 insertions(+), 17 deletions(-) -- 2.40.1