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Commit | Line | Data |
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127e5f5a VD |
1 | /* |
2 | * linux/fs/hfsplus/xattr_user.c | |
3 | * | |
4 | * Vyacheslav Dubeyko <slava@dubeyko.com> | |
5 | * | |
6 | * Handler for user extended attributes. | |
7 | */ | |
8 | ||
bf29e886 HTL |
9 | #include <linux/nls.h> |
10 | ||
127e5f5a VD |
11 | #include "hfsplus_fs.h" |
12 | #include "xattr.h" | |
13 | ||
14 | static int hfsplus_user_getxattr(struct dentry *dentry, const char *name, | |
15 | void *buffer, size_t size, int type) | |
16 | { | |
127e5f5a | 17 | |
a3cef4cd FF |
18 | return hfsplus_getxattr(dentry, name, buffer, size, |
19 | XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN); | |
127e5f5a VD |
20 | } |
21 | ||
22 | static int hfsplus_user_setxattr(struct dentry *dentry, const char *name, | |
23 | const void *buffer, size_t size, int flags, int type) | |
24 | { | |
bf29e886 HTL |
25 | char *xattr_name; |
26 | int res; | |
127e5f5a VD |
27 | |
28 | if (!strcmp(name, "")) | |
29 | return -EINVAL; | |
30 | ||
bf29e886 HTL |
31 | xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1, |
32 | GFP_KERNEL); | |
33 | if (!xattr_name) | |
34 | return -ENOMEM; | |
127e5f5a VD |
35 | strcpy(xattr_name, XATTR_USER_PREFIX); |
36 | strcpy(xattr_name + XATTR_USER_PREFIX_LEN, name); | |
37 | ||
bf29e886 HTL |
38 | res = hfsplus_setxattr(dentry, xattr_name, buffer, size, flags); |
39 | kfree(xattr_name); | |
40 | return res; | |
127e5f5a VD |
41 | } |
42 | ||
43 | static size_t hfsplus_user_listxattr(struct dentry *dentry, char *list, | |
44 | size_t list_size, const char *name, size_t name_len, int type) | |
45 | { | |
46 | /* | |
47 | * This method is not used. | |
48 | * It is used hfsplus_listxattr() instead of generic_listxattr(). | |
49 | */ | |
50 | return -EOPNOTSUPP; | |
51 | } | |
52 | ||
53 | const struct xattr_handler hfsplus_xattr_user_handler = { | |
54 | .prefix = XATTR_USER_PREFIX, | |
55 | .list = hfsplus_user_listxattr, | |
56 | .get = hfsplus_user_getxattr, | |
57 | .set = hfsplus_user_setxattr, | |
58 | }; |