/* * 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, };