]> bbs.cooldavid.org Git - net-next-2.6.git/blame - fs/jffs2/xattr_trusted.c
[JFFS2][XATTR] '#include <linux/list.h>' was added into xattr.h.
[net-next-2.6.git] / fs / jffs2 / xattr_trusted.c
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KK
1/*-------------------------------------------------------------------------*
2 * File: fs/jffs2/xattr_trusted.c
3 * XATTR support on JFFS2 FileSystem
4 *
5 * Implemented by KaiGai Kohei <kaigai@ak.jp.nec.com>
6 * Copyright (C) 2006 NEC Corporation
7 *
8 * For licensing information, see the file 'LICENCE' in the jffs2 directory.
9 *-------------------------------------------------------------------------*/
10#include <linux/kernel.h>
11#include <linux/fs.h>
12#include <linux/jffs2.h>
13#include <linux/xattr.h>
14#include <linux/mtd/mtd.h>
15#include "nodelist.h"
16
17static int jffs2_trusted_getxattr(struct inode *inode, const char *name,
18 void *buffer, size_t size)
19{
20 if (!strcmp(name, ""))
21 return -EINVAL;
22 return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED, name, buffer, size);
23}
24
25static int jffs2_trusted_setxattr(struct inode *inode, const char *name, const void *buffer,
26 size_t size, int flags)
27{
28 if (!strcmp(name, ""))
29 return -EINVAL;
30 return do_jffs2_setxattr(inode, JFFS2_XPREFIX_TRUSTED, name, buffer, size, flags);
31}
32
33static size_t jffs2_trusted_listxattr(struct inode *inode, char *list, size_t list_size,
34 const char *name, size_t name_len)
35{
36 size_t retlen = XATTR_TRUSTED_PREFIX_LEN + name_len + 1;
37
38 if (list && retlen<=list_size) {
39 strcpy(list, XATTR_TRUSTED_PREFIX);
40 strcpy(list + XATTR_TRUSTED_PREFIX_LEN, name);
41 }
42
43 return retlen;
44}
45
46struct xattr_handler jffs2_trusted_xattr_handler = {
47 .prefix = XATTR_TRUSTED_PREFIX,
48 .list = jffs2_trusted_listxattr,
49 .set = jffs2_trusted_setxattr,
50 .get = jffs2_trusted_getxattr
51};