udf: remove the second argument of k[un]map_atomic()

	char *kaddr;

	struct udf_inode_info *iinfo = UDF_I(inode);

	kaddr = kmap_atomic(page, KM_USER0);

	kaddr = kmap_atomic(page);

	memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr + offset,

		kaddr + offset, copied);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);

	return simple_write_end(file, mapping, pos, len, copied, page, fsdata);

}