MPI2_CONFIG_PAGETYPE_IO_UNIT
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
case MPI2_CONFIG_PAGETYPE_IO_UNIT:
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;