blob: 2f8e9aa01ea05a0b69a26fb5219d741aba52d192 [file] [log] [blame]
KaiGai Kohei652ecc22006-05-13 15:18:27 +09001/*
2 * JFFS2 -- Journalling Flash File System, Version 2.
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +09003 *
KaiGai Kohei652ecc22006-05-13 15:18:27 +09004 * Copyright (C) 2006 NEC Corporation
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +09005 *
KaiGai Kohei652ecc22006-05-13 15:18:27 +09006 * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
7 *
8 * For licensing information, see the file 'LICENCE' in this directory.
9 *
10 */
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +090011#include <linux/kernel.h>
12#include <linux/fs.h>
13#include <linux/jffs2.h>
14#include <linux/xattr.h>
15#include <linux/mtd/mtd.h>
16#include "nodelist.h"
17
18static int jffs2_user_getxattr(struct inode *inode, const char *name,
19 void *buffer, size_t size)
20{
21 if (!strcmp(name, ""))
22 return -EINVAL;
23 return do_jffs2_getxattr(inode, JFFS2_XPREFIX_USER, name, buffer, size);
24}
25
26static int jffs2_user_setxattr(struct inode *inode, const char *name, const void *buffer,
27 size_t size, int flags)
28{
29 if (!strcmp(name, ""))
30 return -EINVAL;
31 return do_jffs2_setxattr(inode, JFFS2_XPREFIX_USER, name, buffer, size, flags);
32}
33
34static size_t jffs2_user_listxattr(struct inode *inode, char *list, size_t list_size,
35 const char *name, size_t name_len)
36{
37 size_t retlen = XATTR_USER_PREFIX_LEN + name_len + 1;
38
39 if (list && retlen <= list_size) {
40 strcpy(list, XATTR_USER_PREFIX);
41 strcpy(list + XATTR_USER_PREFIX_LEN, name);
42 }
43
44 return retlen;
45}
46
47struct xattr_handler jffs2_user_xattr_handler = {
48 .prefix = XATTR_USER_PREFIX,
49 .list = jffs2_user_listxattr,
50 .set = jffs2_user_setxattr,
51 .get = jffs2_user_getxattr
52};