1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* linux/fs/hfsplus/xattr_user.c
*
* Vyacheslav Dubeyko <slava@dubeyko.com>
*
* Handler for user extended attributes.
*/
#include "hfsplus_fs.h"
#include "xattr.h"
static int hfsplus_user_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
{
char xattr_name[HFSPLUS_ATTR_MAX_STRLEN + 1] = {0};
size_t len = strlen(name);
if (!strcmp(name, ""))
return -EINVAL;
if (len + XATTR_USER_PREFIX_LEN > HFSPLUS_ATTR_MAX_STRLEN)
return -EOPNOTSUPP;
strcpy(xattr_name, XATTR_USER_PREFIX);
strcpy(xattr_name + XATTR_USER_PREFIX_LEN, name);
return hfsplus_getxattr(dentry, xattr_name, buffer, size);
}
static int hfsplus_user_setxattr(struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags, int type)
{
char xattr_name[HFSPLUS_ATTR_MAX_STRLEN + 1] = {0};
size_t len = strlen(name);
if (!strcmp(name, ""))
return -EINVAL;
if (len + XATTR_USER_PREFIX_LEN > HFSPLUS_ATTR_MAX_STRLEN)
return -EOPNOTSUPP;
strcpy(xattr_name, XATTR_USER_PREFIX);
strcpy(xattr_name + XATTR_USER_PREFIX_LEN, name);
return hfsplus_setxattr(dentry, xattr_name, buffer, size, flags);
}
static size_t hfsplus_user_listxattr(struct dentry *dentry, char *list,
size_t list_size, const char *name, size_t name_len, int type)
{
/*
* This method is not used.
* It is used hfsplus_listxattr() instead of generic_listxattr().
*/
return -EOPNOTSUPP;
}
const struct xattr_handler hfsplus_xattr_user_handler = {
.prefix = XATTR_USER_PREFIX,
.list = hfsplus_user_listxattr,
.get = hfsplus_user_getxattr,
.set = hfsplus_user_setxattr,
};
|
