| /* |
| * 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, |
| }; |