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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 | |
19 | static int jffs2_user_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_USER, name, buffer, size); |
25 | } |
26 | |
27 | static int jffs2_user_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_USER, name, buffer, size, flags); |
33 | } |
34 | |
35 | static size_t jffs2_user_listxattr(struct inode *inode, char *list, size_t list_size, |
36 | const char *name, size_t name_len) |
37 | { |
38 | size_t retlen = XATTR_USER_PREFIX_LEN + name_len + 1; |
39 | |
40 | if (list && retlen <= list_size) { |
41 | strcpy(list, XATTR_USER_PREFIX); |
42 | strcpy(list + XATTR_USER_PREFIX_LEN, name); |
43 | } |
44 | |
45 | return retlen; |
46 | } |
47 | |
48 | struct xattr_handler jffs2_user_xattr_handler = { |
49 | .prefix = XATTR_USER_PREFIX, |
50 | .list = jffs2_user_listxattr, |
51 | .set = jffs2_user_setxattr, |
52 | .get = jffs2_user_getxattr |
53 | }; |
54 |
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Tags:
od-2011-09-04
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v2.6.34-rc5
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