/* Should be called once before using any of the storage methods. Typically called first by inv_init_mpl().  */
void inv_init_storage_manager()
/* Should be called once before using any of the storage methods. Typically called first by inv_init_mpl().  */
void inv_init_storage_manager()
{
    memset(&ds, 0, sizeof(ds));
    ds.total_size = sizeof(struct data_header_t);
}