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 */
16 #define XATTR_SECURITY_PREFIX "security."
18 struct xattr_handler {
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,
24 int (*set)(struct inode *inode, const char *name, const void *buffer,
25 size_t size, int flags);
28 ssize_t generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size);
29 ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size);
30 int generic_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags);
31 int generic_removexattr(struct dentry *dentry, const char *name);
33 #endif /* _LINUX_XATTR_H */