diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5Cmpio.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/H5Cmpio.c b/src/H5Cmpio.c index f451671..a4c295b 100644 --- a/src/H5Cmpio.c +++ b/src/H5Cmpio.c @@ -1011,6 +1011,7 @@ H5C__collective_write(H5F_t *f) hbool_t ftype_created = FALSE; int mpi_code; char unused = 0; /* Unused, except for non-NULL pointer value */ + size_t buf_count; herr_t ret_value = SUCCEED; FUNC_ENTER_STATIC @@ -1085,6 +1086,9 @@ H5C__collective_write(H5F_t *f) ftype_created = TRUE; if(MPI_SUCCESS != (mpi_code = MPI_Type_commit(&ftype))) HMPI_GOTO_ERROR(FAIL, "MPI_Type_commit failed", mpi_code) + + /* MPI count to write */ + buf_count = 1; } /* end if */ else { /* Pass trivial buf type, file type to the file driver */ @@ -1093,6 +1097,9 @@ H5C__collective_write(H5F_t *f) /* Set non-NULL pointer for I/O operation */ base_buf = &unused; + + /* MPI count to write */ + buf_count = 0; } /* end else */ /* Pass buf type, file type to the file driver */ @@ -1100,7 +1107,7 @@ H5C__collective_write(H5F_t *f) HGOTO_ERROR(H5E_CACHE, H5E_CANTSET, FAIL, "can't set MPI-I/O properties") /* Write data */ - if(H5F_block_write(f, H5FD_MEM_DEFAULT, (haddr_t)0, (size_t)1, base_buf) < 0) + if(H5F_block_write(f, H5FD_MEM_DEFAULT, (haddr_t)0, buf_count, base_buf) < 0) HGOTO_ERROR(H5E_CACHE, H5E_WRITEERROR, FAIL, "unable to write entries collectively") done: |