
{    The purpose of this routine is to add I/O buffers to an outstanding I/O request.
{
{    request_info: (input) This parameter points to the adaptable sequence which contains the
{      user's request.  The pointer currently points to the next entry following the initial
{      logical command identifier.
{
{    request_id: (input) This parameter specifies the identifier of the corresponding I/O request.
{
{    io_type: (input) This parameter specifies the type of I/O being performed.
{
{    restart_request: (input) This parameter specifies whether or not the request
{      complete flag should be cleared to allow the PP to process the request.
{
{    status: (output) This paramter returns the results of the request.

