1/*
2 * JFFS2 -- Journalling Flash File System, Version 2.
3 *
4 * Copyright �� 2006  NEC Corporation
5 *
6 * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
7 *
8 * For licensing information, see the file 'LICENCE' in this directory.
9 *
10 */
11
12#include <linux/kernel.h>
13#include <linux/fs.h>
14#include <linux/jffs2.h>
15#include <linux/xattr.h>
16#include <linux/mtd/mtd.h>
17#include "nodelist.h"
18
19static int jffs2_trusted_getxattr(struct inode *inode, const char *name,
20				  void *buffer, size_t size)
21{
22	if (!strcmp(name, ""))
23		return -EINVAL;
24	return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED, name, buffer, size);
25}
26
27static int jffs2_trusted_setxattr(struct inode *inode, const char *name, const void *buffer,
28				  size_t size, int flags)
29{
30	if (!strcmp(name, ""))
31		return -EINVAL;
32	return do_jffs2_setxattr(inode, JFFS2_XPREFIX_TRUSTED, name, buffer, size, flags);
33}
34
35static size_t jffs2_trusted_listxattr(struct inode *inode, char *list, size_t list_size,
36				      const char *name, size_t name_len)
37{
38	size_t retlen = XATTR_TRUSTED_PREFIX_LEN + name_len + 1;
39
40	if (list && retlen<=list_size) {
41		strcpy(list, XATTR_TRUSTED_PREFIX);
42		strcpy(list + XATTR_TRUSTED_PREFIX_LEN, name);
43	}
44
45	return retlen;
46}
47
48struct xattr_handler jffs2_trusted_xattr_handler = {
49	.prefix = XATTR_TRUSTED_PREFIX,
50	.list = jffs2_trusted_listxattr,
51	.set = jffs2_trusted_setxattr,
52	.get = jffs2_trusted_getxattr
53};
54