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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - include/linux/xattr.h
4 Extended attributes handling.
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>
10 #ifndef _LINUX_XATTR_H
11 #define _LINUX_XATTR_H
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 */
17 #define XATTR_OS2_PREFIX "os2."
18 #define XATTR_OS2_PREFIX_LEN (sizeof (XATTR_OS2_PREFIX) - 1)
20 #define XATTR_SECURITY_PREFIX "security."
21 #define XATTR_SECURITY_PREFIX_LEN (sizeof (XATTR_SECURITY_PREFIX) - 1)
23 #define XATTR_SYSTEM_PREFIX "system."
24 #define XATTR_SYSTEM_PREFIX_LEN (sizeof (XATTR_SYSTEM_PREFIX) - 1)
26 #define XATTR_TRUSTED_PREFIX "trusted."
27 #define XATTR_TRUSTED_PREFIX_LEN (sizeof (XATTR_TRUSTED_PREFIX) - 1)
29 #define XATTR_USER_PREFIX "user."
30 #define XATTR_USER_PREFIX_LEN (sizeof (XATTR_USER_PREFIX) - 1)
33 struct xattr_handler
{
35 size_t (*list
)(struct inode
*inode
, char *list
, size_t list_size
,
36 const char *name
, size_t name_len
);
37 int (*get
)(struct inode
*inode
, const char *name
, void *buffer
,
39 int (*set
)(struct inode
*inode
, const char *name
, const void *buffer
,
40 size_t size
, int flags
);
43 ssize_t
vfs_getxattr(struct dentry
*, char *, void *, size_t);
44 int vfs_setxattr(struct dentry
*, char *, void *, size_t, int);
45 int vfs_removexattr(struct dentry
*, char *);
47 ssize_t
generic_getxattr(struct dentry
*dentry
, const char *name
, void *buffer
, size_t size
);
48 ssize_t
generic_listxattr(struct dentry
*dentry
, char *buffer
, size_t buffer_size
);
49 int generic_setxattr(struct dentry
*dentry
, const char *name
, const void *value
, size_t size
, int flags
);
50 int generic_removexattr(struct dentry
*dentry
, const char *name
);
52 #endif /* _LINUX_XATTR_H */