f_extent          887 ompi/mca/io/romio321/romio/adio/common/ad_io_coll.c     MPI_Aint f_extent, lb;
f_extent          897 ompi/mca/io/romio321/romio/adio/common/ad_io_coll.c     MPI_Type_get_extent(custom_ftype, &lb, &f_extent);
f_extent          899 ompi/mca/io/romio321/romio/adio/common/ad_io_coll.c     f_ds_percent = 100 * f_size / f_extent;