diff options
Diffstat (limited to 'src/H5FDmpio.c')
| -rw-r--r-- | src/H5FDmpio.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/src/H5FDmpio.c b/src/H5FDmpio.c index 674bbfd..cced9de 100644 --- a/src/H5FDmpio.c +++ b/src/H5FDmpio.c @@ -37,9 +37,6 @@ static hid_t H5FD_MPIO_g = 0; #ifdef H5_HAVE_PARALLEL -#define FALSE 0 -#define TRUE 1 - /* * The description of a file belonging to this driver. If the ALLSAME * argument is set during a write operation then only p0 will do the actual @@ -735,7 +732,7 @@ H5FD_mpio_open(const char *name, unsigned flags, hid_t fapl_id, char debug_str[128]; int infoerr, flag, i; if (fa->info) { - infoerr = MPI_Info_get(fa->info, H5FD_MPIO_DEBUG_KEY, 127, + infoerr = MPI_Info_get(fa->info, H5F_MPIO_DEBUG_KEY, 127, debug_str, &flag); if (flag) { fprintf(stdout, "H5FD_mpio debug flags=%s\n", debug_str ); @@ -1236,10 +1233,10 @@ H5FD_mpio_write(H5FD_t *_file, hid_t dxpl_id/*unused*/, haddr_t addr, MPI_Status mpi_stat; MPI_Datatype buf_type, file_type; int mpierr, size_i, bytes_written; - int mpi_rank; + int mpi_rank=-1; int use_types_this_time, used_types_last_time; hbool_t allsame; - herr_t ret_value=FAIL; + herr_t ret_value=SUCCEED; FUNC_ENTER(H5FD_mpio_write, FAIL); @@ -1271,7 +1268,9 @@ H5FD_mpio_write(H5FD_t *_file, hid_t dxpl_id/*unused*/, haddr_t addr, if (mpi_rank != 0) { #ifdef H5FDmpio_DEBUG if (H5FD_mpio_Debug[(int)'w']) { - fprintf(stdout, " in H5FD_mpio_write (write omitted)\n" ); + fprintf(stdout, + " proc %d: in H5FD_mpio_write (write omitted)\n", + mpi_rank ); } #endif HGOTO_DONE(SUCCEED) /* skip the actual write */ @@ -1299,7 +1298,7 @@ H5FD_mpio_write(H5FD_t *_file, hid_t dxpl_id/*unused*/, haddr_t addr, buf_type = file->btype; file_type = file->ftype; if (haddr_to_MPIOff(file->disp, &mpi_disp)<0) - HRETURN_ERROR(H5E_INTERNAL, H5E_BADRANGE, FAIL, "can't convert from haddr to MPI off"); + HGOTO_ERROR(H5E_INTERNAL, H5E_BADRANGE, FAIL, "can't convert from haddr to MPI off"); } else { /* * Prepare for a simple xfer of a contiguous block of bytes. @@ -1319,7 +1318,7 @@ H5FD_mpio_write(H5FD_t *_file, hid_t dxpl_id/*unused*/, haddr_t addr, use_types_this_time) { /* almost certainly a different ftype */ /*OKAY: CAST DISCARDS CONST QUALIFIER*/ if (MPI_SUCCESS != MPI_File_set_view(file->f, mpi_disp, MPI_BYTE, file_type, (char*)"native", file->info)) - HRETURN_ERROR(H5E_INTERNAL, H5E_MPI, FAIL, "MPI_File_set_view failed"); + HGOTO_ERROR(H5E_INTERNAL, H5E_MPI, FAIL, "MPI_File_set_view failed"); } /* @@ -1335,7 +1334,7 @@ H5FD_mpio_write(H5FD_t *_file, hid_t dxpl_id/*unused*/, haddr_t addr, if (H5FD_MPIO_INDEPENDENT==dx->xfer_mode) { /*OKAY: CAST DISCARDS CONST QUALIFIER*/ if (MPI_SUCCESS != MPI_File_write_at(file->f, mpi_off, (void*)buf, size_i, buf_type, &mpi_stat)) - HRETURN_ERROR(H5E_INTERNAL, H5E_MPI, FAIL, "MPI_File_write_at failed"); + HGOTO_ERROR(H5E_INTERNAL, H5E_MPI, FAIL, "MPI_File_write_at failed"); } else { #ifdef H5FDmpio_DEBUG if (H5FD_mpio_Debug[(int)'t']) @@ -1343,12 +1342,12 @@ H5FD_mpio_write(H5FD_t *_file, hid_t dxpl_id/*unused*/, haddr_t addr, #endif /*OKAY: CAST DISCARDS CONST QUALIFIER*/ if (MPI_SUCCESS != MPI_File_write_at_all(file->f, mpi_off, (void*)buf, size_i, buf_type, &mpi_stat)) - HRETURN_ERROR(H5E_INTERNAL, H5E_MPI, FAIL, "MPI_File_write_at_all failed"); + HGOTO_ERROR(H5E_INTERNAL, H5E_MPI, FAIL, "MPI_File_write_at_all failed"); } /* How many bytes were actually written? */ if (MPI_SUCCESS!= MPI_Get_count(&mpi_stat, MPI_BYTE, &bytes_written)) - HRETURN_ERROR(H5E_INTERNAL, H5E_MPI, FAIL, "MPI_Get_count failed"); + HGOTO_ERROR(H5E_INTERNAL, H5E_MPI, FAIL, "MPI_Get_count failed"); #ifdef H5FDmpio_DEBUG if (H5FD_mpio_Debug[(int)'c']) fprintf(stdout, @@ -1364,17 +1363,24 @@ H5FD_mpio_write(H5FD_t *_file, hid_t dxpl_id/*unused*/, haddr_t addr, bytes_written = size_i; #endif if (bytes_written<0 || bytes_written>size_i) - HRETURN_ERROR(H5E_IO, H5E_READERROR, FAIL, "file write failed"); + HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "file write failed"); /* Forget the EOF value (see H5FD_mpio_get_eof()) --rpm 1999-08-06 */ file->eof = HADDR_UNDEF; done: + /* if only p0 writes, need to boardcast the ret_value to other processes */ + if (allsame && H5_mpi_1_metawrite_g) { + if (MPI_SUCCESS != + MPI_Bcast(&ret_value, sizeof(ret_value), MPI_BYTE, 0, file->comm)) + HRETURN_ERROR(H5E_INTERNAL, H5E_MPI, NULL, "MPI_Bcast failed"); + } #ifdef H5FDmpio_DEBUG if (H5FD_mpio_Debug[(int)'t']) - fprintf(stdout, "Leaving H5FD_mpio_write\n" ); + fprintf(stdout, "proc %d: Leaving H5FD_mpio_write with ret_value=%d\n", + mpi_rank, ret_value ); #endif - FUNC_LEAVE(SUCCEED); + FUNC_LEAVE(ret_value); } |