split_datatype    228 ompi/mca/io/romio321/romio/adio/include/adio.h     MPI_Datatype split_datatype; /* datatype used for split collectives */
split_datatype    117 ompi/mca/io/romio321/romio/mpi-io/write_allb.c     adio_fh->split_datatype = datatype;