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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "adio.h"
#include "ad_quobytefs.h"
void ADIOI_QUOBYTEFS_Resize(ADIO_File fd, ADIO_Offset size, int *error_code)
{
static char myname[] = "ADIOI_QUOBYTEFS_RESIZE";
struct quobyte_fh *file_handle = fd->file_handle;
int err, rank;
if (file_handle != NULL) {
MPI_Comm_rank(fd->comm, &rank);
/* first aggregator performs ftruncate() */
if (rank == fd->hints->ranklist[0]) {
ADIOI_Assert(size == (off_t) size);
err = quobyte_ftruncate(fd->file_handle, (off_t) size);
}
/* bcast return value */
MPI_Bcast(&err, 1, MPI_INT, fd->hints->ranklist[0], fd->comm);
if (err == -1) {
*error_code = ADIOI_Err_create_code(myname, fd->filename, errno);
return;
}
*error_code = MPI_SUCCESS;
} else {
*error_code = MPIO_Err_create_code(MPI_SUCCESS, MPIR_ERR_FATAL, myname,
__LINE__, MPI_ERR_IO, "Quobyte file header is null", 0);
return;
}
}
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