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openmpi/ompi/mca/fbtl/plfs/fbtl_plfs_pwritev.c

55 строки
1.7 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2011 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2008-2014 University of Houston. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "fbtl_plfs.h"
#include "mpi.h"
#include <unistd.h>
#include "ompi/constants.h"
#include "ompi/mca/fbtl/fbtl.h"
ssize_t mca_fbtl_plfs_pwritev (mca_io_ompio_file_t *fh )
{
Plfs_fd *pfd = fh->f_fs_ptr;
plfs_error_t plfs_ret;
ssize_t total_bytes_written=0;
ssize_t bytes_written;
int i;
if (NULL == fh->f_io_array) {
return OMPI_ERROR;
}
for (i=0 ; i<fh->f_num_of_io_entries ; i++) {
plfs_ret = plfs_write( pfd, fh->f_io_array[i].memory_address,
fh->f_io_array[i].length,
(off_t) fh->f_io_array[i].offset,
fh->f_rank, &bytes_written );
if (PLFS_SUCCESS != plfs_ret) {
opal_output(0, "fbtl_plfs_pwritev: Error in plfs_write:\n%s\n", strplfserr(plfs_ret));
return OMPI_ERROR;
}
total_bytes_written += bytes_written;
}
return total_bytes_written;
}