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 | ||
9 | #ifdef CONFIG_REISERFS_FS_POSIX_ACL | |
10 | # include <linux/reiserfs_acl.h> | |
11 | #endif | |
12 | ||
13 | #define XATTR_USER_PREFIX "user." | |
14 | ||
15 | static int | |
bd4c625c | 16 | user_get(struct inode *inode, const char *name, void *buffer, size_t size) |
1da177e4 LT |
17 | { |
18 | ||
bd4c625c LT |
19 | if (strlen(name) < sizeof(XATTR_USER_PREFIX)) |
20 | return -EINVAL; | |
bd4c625c LT |
21 | if (!reiserfs_xattrs_user(inode->i_sb)) |
22 | return -EOPNOTSUPP; | |
bd4c625c | 23 | return reiserfs_xattr_get(inode, name, buffer, size); |
1da177e4 LT |
24 | } |
25 | ||
26 | static int | |
bd4c625c LT |
27 | user_set(struct inode *inode, const char *name, const void *buffer, |
28 | size_t size, int flags) | |
1da177e4 LT |
29 | { |
30 | ||
bd4c625c LT |
31 | if (strlen(name) < sizeof(XATTR_USER_PREFIX)) |
32 | return -EINVAL; | |
1da177e4 | 33 | |
bd4c625c LT |
34 | if (!reiserfs_xattrs_user(inode->i_sb)) |
35 | return -EOPNOTSUPP; | |
bd4c625c | 36 | return reiserfs_xattr_set(inode, name, buffer, size, flags); |
1da177e4 LT |
37 | } |
38 | ||
bd4c625c | 39 | static int user_del(struct inode *inode, const char *name) |
1da177e4 | 40 | { |
bd4c625c LT |
41 | if (strlen(name) < sizeof(XATTR_USER_PREFIX)) |
42 | return -EINVAL; | |
1da177e4 | 43 | |
bd4c625c LT |
44 | if (!reiserfs_xattrs_user(inode->i_sb)) |
45 | return -EOPNOTSUPP; | |
bd4c625c | 46 | return 0; |
1da177e4 LT |
47 | } |
48 | ||
49 | static int | |
bd4c625c | 50 | user_list(struct inode *inode, const char *name, int namelen, char *out) |
1da177e4 | 51 | { |
bd4c625c LT |
52 | int len = namelen; |
53 | if (!reiserfs_xattrs_user(inode->i_sb)) | |
54 | return 0; | |
1da177e4 | 55 | |
bd4c625c LT |
56 | if (out) |
57 | memcpy(out, name, len); | |
1da177e4 | 58 | |
bd4c625c | 59 | return len; |
1da177e4 LT |
60 | } |
61 | ||
62 | struct reiserfs_xattr_handler user_handler = { | |
63 | .prefix = XATTR_USER_PREFIX, | |
64 | .get = user_get, | |
65 | .set = user_set, | |
66 | .del = user_del, | |
67 | .list = user_list, | |
68 | }; |