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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | File: linux/reiserfs_xattr.h | |
3 | */ | |
4 | ||
521dae19 AB |
5 | #ifndef _LINUX_REISERFS_XATTR_H |
6 | #define _LINUX_REISERFS_XATTR_H | |
7 | ||
8 | #include <linux/types.h> | |
1da177e4 LT |
9 | |
10 | /* Magic value in header */ | |
bd4c625c | 11 | #define REISERFS_XATTR_MAGIC 0x52465841 /* "RFXA" */ |
1da177e4 LT |
12 | |
13 | struct reiserfs_xattr_header { | |
bd4c625c LT |
14 | __le32 h_magic; /* magic number for identification */ |
15 | __le32 h_hash; /* hash of the value */ | |
1da177e4 LT |
16 | }; |
17 | ||
18 | #ifdef __KERNEL__ | |
521dae19 | 19 | |
98ca79d5 | 20 | #include <linux/init.h> |
521dae19 AB |
21 | #include <linux/list.h> |
22 | #include <linux/rwsem.h> | |
23 | #include <linux/reiserfs_fs_i.h> | |
24 | #include <linux/reiserfs_fs.h> | |
25 | ||
26 | struct inode; | |
27 | struct dentry; | |
28 | struct iattr; | |
29 | struct super_block; | |
30 | struct nameidata; | |
1da177e4 | 31 | |
a72bdb1c JM |
32 | int reiserfs_xattr_register_handlers(void) __init; |
33 | void reiserfs_xattr_unregister_handlers(void); | |
34 | int reiserfs_xattr_init(struct super_block *sb, int mount_flags); | |
35 | int reiserfs_delete_xattrs(struct inode *inode); | |
36 | int reiserfs_chown_xattrs(struct inode *inode, struct iattr *attrs); | |
37 | ||
1da177e4 | 38 | #ifdef CONFIG_REISERFS_FS_XATTR |
1da177e4 | 39 | #define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir) |
bd4c625c LT |
40 | ssize_t reiserfs_getxattr(struct dentry *dentry, const char *name, |
41 | void *buffer, size_t size); | |
42 | int reiserfs_setxattr(struct dentry *dentry, const char *name, | |
43 | const void *value, size_t size, int flags); | |
44 | ssize_t reiserfs_listxattr(struct dentry *dentry, char *buffer, size_t size); | |
45 | int reiserfs_removexattr(struct dentry *dentry, const char *name); | |
e6305c43 | 46 | int reiserfs_permission(struct inode *inode, int mask); |
bd4c625c | 47 | |
48b32a35 JM |
48 | int reiserfs_xattr_get(struct inode *, const char *, void *, size_t); |
49 | int __reiserfs_xattr_set(struct inode *, const char *, const void *, | |
50 | size_t, int); | |
bd4c625c | 51 | int reiserfs_xattr_set(struct inode *, const char *, const void *, size_t, int); |
1da177e4 | 52 | |
48b32a35 JM |
53 | extern struct xattr_handler reiserfs_xattr_user_handler; |
54 | extern struct xattr_handler reiserfs_xattr_trusted_handler; | |
55 | extern struct xattr_handler reiserfs_xattr_security_handler; | |
1da177e4 | 56 | |
068fbb31 AD |
57 | static inline void reiserfs_init_xattr_rwsem(struct inode *inode) |
58 | { | |
d984561b | 59 | init_rwsem(&REISERFS_I(inode)->i_xattr_sem); |
068fbb31 AD |
60 | } |
61 | ||
1da177e4 LT |
62 | #else |
63 | ||
1da177e4 LT |
64 | #define reiserfs_getxattr NULL |
65 | #define reiserfs_setxattr NULL | |
66 | #define reiserfs_listxattr NULL | |
67 | #define reiserfs_removexattr NULL | |
1da177e4 LT |
68 | |
69 | #define reiserfs_permission NULL | |
70 | ||
068fbb31 AD |
71 | static inline void reiserfs_init_xattr_rwsem(struct inode *inode) |
72 | { | |
73 | } | |
521dae19 AB |
74 | #endif /* CONFIG_REISERFS_FS_XATTR */ |
75 | ||
76 | #endif /* __KERNEL__ */ | |
1da177e4 | 77 | |
521dae19 | 78 | #endif /* _LINUX_REISERFS_XATTR_H */ |