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1da177e4 LT |
1 | /* |
2 | File: linux/xattr.h | |
3 | ||
4 | Extended attributes handling. | |
5 | ||
6 | Copyright (C) 2001 by Andreas Gruenbacher <a.gruenbacher@computer.org> | |
7 | Copyright (c) 2001-2002 Silicon Graphics, Inc. All Rights Reserved. | |
8 | Copyright (c) 2004 Red Hat, Inc., James Morris <jmorris@redhat.com> | |
9 | */ | |
10 | #ifndef _LINUX_XATTR_H | |
11 | #define _LINUX_XATTR_H | |
12 | ||
13 | #define XATTR_CREATE 0x1 /* set value, fail if attr already exists */ | |
14 | #define XATTR_REPLACE 0x2 /* set value, fail if attr does not exist */ | |
15 | ||
16 | #define XATTR_SECURITY_PREFIX "security." | |
17 | ||
18 | struct xattr_handler { | |
19 | char *prefix; | |
20 | size_t (*list)(struct inode *inode, char *list, size_t list_size, | |
21 | const char *name, size_t name_len); | |
22 | int (*get)(struct inode *inode, const char *name, void *buffer, | |
23 | size_t size); | |
24 | int (*set)(struct inode *inode, const char *name, const void *buffer, | |
25 | size_t size, int flags); | |
26 | }; | |
27 | ||
5be196e5 CH |
28 | ssize_t vfs_getxattr(struct dentry *, char *, void *, size_t); |
29 | int vfs_setxattr(struct dentry *, char *, void *, size_t, int); | |
30 | int vfs_removexattr(struct dentry *, char *); | |
31 | ||
1da177e4 LT |
32 | ssize_t generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size); |
33 | ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size); | |
34 | int generic_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); | |
35 | int generic_removexattr(struct dentry *dentry, const char *name); | |
36 | ||
37 | #endif /* _LINUX_XATTR_H */ |