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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 | static int |
10 | user_get(struct dentry *dentry, const char *name, void *buffer, size_t size, |
11 | int handler_flags) |
12 | { |
13 | |
14 | if (strlen(name) < sizeof(XATTR_USER_PREFIX)) |
15 | return -EINVAL; |
16 | if (!reiserfs_xattrs_user(dentry->d_sb)) |
17 | return -EOPNOTSUPP; |
18 | return reiserfs_xattr_get(dentry->d_inode, name, buffer, size); |
19 | } |
20 | |
21 | static int |
22 | user_set(struct dentry *dentry, const char *name, const void *buffer, |
23 | size_t size, int flags, int handler_flags) |
24 | { |
25 | if (strlen(name) < sizeof(XATTR_USER_PREFIX)) |
26 | return -EINVAL; |
27 | |
28 | if (!reiserfs_xattrs_user(dentry->d_sb)) |
29 | return -EOPNOTSUPP; |
30 | return reiserfs_xattr_set(dentry->d_inode, name, buffer, size, flags); |
31 | } |
32 | |
33 | static size_t user_list(struct dentry *dentry, char *list, size_t list_size, |
34 | const char *name, size_t name_len, int handler_flags) |
35 | { |
36 | const size_t len = name_len + 1; |
37 | |
38 | if (!reiserfs_xattrs_user(dentry->d_sb)) |
39 | return 0; |
40 | if (list && len <= list_size) { |
41 | memcpy(list, name, name_len); |
42 | list[name_len] = '\0'; |
43 | } |
44 | return len; |
45 | } |
46 | |
47 | const struct xattr_handler reiserfs_xattr_user_handler = { |
48 | .prefix = XATTR_USER_PREFIX, |
49 | .get = user_get, |
50 | .set = user_set, |
51 | .list = user_list, |
52 | }; |
53 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9