OBJ_ID_INDEX_DATA
OBJ_ID_INDEX_DATA *oi;
idx_size = (data_ofs + sizeof(OBJ_ID_INDEX_DATA) + 7) & ~7;
idx_entry_new->data_length = cpu_to_le16(sizeof(OBJ_ID_INDEX_DATA));
oi = (OBJ_ID_INDEX_DATA*)((u8*)idx_entry_new + data_ofs);