xref: /linux/fs/hfsplus/xattr_user.c (revision cc04a46f11ea046ed53e2c832ae29e4790f7e35f)
1 /*
2  * linux/fs/hfsplus/xattr_user.c
3  *
4  * Vyacheslav Dubeyko <slava@dubeyko.com>
5  *
6  * Handler for user extended attributes.
7  */
8 
9 #include <linux/nls.h>
10 
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 {
17 
18 	return hfsplus_getxattr(dentry, name, buffer, size,
19 				XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
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 {
25 	return hfsplus_setxattr(dentry, name, buffer, size, flags,
26 				XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
27 }
28 
29 static size_t hfsplus_user_listxattr(struct dentry *dentry, char *list,
30 		size_t list_size, const char *name, size_t name_len, int type)
31 {
32 	/*
33 	 * This method is not used.
34 	 * It is used hfsplus_listxattr() instead of generic_listxattr().
35 	 */
36 	return -EOPNOTSUPP;
37 }
38 
39 const struct xattr_handler hfsplus_xattr_user_handler = {
40 	.prefix	= XATTR_USER_PREFIX,
41 	.list	= hfsplus_user_listxattr,
42 	.get	= hfsplus_user_getxattr,
43 	.set	= hfsplus_user_setxattr,
44 };
45