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