Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #include <linux/reiserfs_fs.h> |
2 | #include <linux/errno.h> | |
3 | #include <linux/fs.h> | |
4 | #include <linux/pagemap.h> | |
5 | #include <linux/xattr.h> | |
6 | #include <linux/reiserfs_xattr.h> | |
7 | #include <asm/uaccess.h> | |
8 | ||
1da177e4 | 9 | static int |
bd4c625c | 10 | user_get(struct inode *inode, const char *name, void *buffer, size_t size) |
1da177e4 LT |
11 | { |
12 | ||
bd4c625c LT |
13 | if (strlen(name) < sizeof(XATTR_USER_PREFIX)) |
14 | return -EINVAL; | |
bd4c625c LT |
15 | if (!reiserfs_xattrs_user(inode->i_sb)) |
16 | return -EOPNOTSUPP; | |
bd4c625c | 17 | return reiserfs_xattr_get(inode, name, buffer, size); |
1da177e4 LT |
18 | } |
19 | ||
20 | static int | |
bd4c625c LT |
21 | user_set(struct inode *inode, const char *name, const void *buffer, |
22 | size_t size, int flags) | |
1da177e4 | 23 | { |
bd4c625c LT |
24 | if (strlen(name) < sizeof(XATTR_USER_PREFIX)) |
25 | return -EINVAL; | |
1da177e4 | 26 | |
bd4c625c LT |
27 | if (!reiserfs_xattrs_user(inode->i_sb)) |
28 | return -EOPNOTSUPP; | |
bd4c625c | 29 | return reiserfs_xattr_set(inode, name, buffer, size, flags); |
1da177e4 LT |
30 | } |
31 | ||
48b32a35 JM |
32 | static size_t user_list(struct inode *inode, char *list, size_t list_size, |
33 | const char *name, size_t name_len) | |
1da177e4 | 34 | { |
48b32a35 | 35 | const size_t len = name_len + 1; |
1da177e4 | 36 | |
bd4c625c LT |
37 | if (!reiserfs_xattrs_user(inode->i_sb)) |
38 | return 0; | |
48b32a35 JM |
39 | if (list && len <= list_size) { |
40 | memcpy(list, name, name_len); | |
41 | list[name_len] = '\0'; | |
42 | } | |
bd4c625c | 43 | return len; |
1da177e4 LT |
44 | } |
45 | ||
48b32a35 | 46 | struct xattr_handler reiserfs_xattr_user_handler = { |
1da177e4 LT |
47 | .prefix = XATTR_USER_PREFIX, |
48 | .get = user_get, | |
49 | .set = user_set, | |
1da177e4 LT |
50 | .list = user_list, |
51 | }; |