1 /*
2 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
3 * University Research and Technology
4 * Corporation. All rights reserved.
5 * Copyright (c) 2004-2017 The University of Tennessee and The University
6 * of Tennessee Research Foundation. All rights
7 * reserved.
8 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
9 * University of Stuttgart. All rights reserved.
10 * Copyright (c) 2004-2005 The Regents of the University of California.
11 * All rights reserved.
12 * Copyright (c) 2008-2011 University of Houston. All rights reserved.
13 * Copyright (c) 2018 Research Organization for Information Science
14 * and Technology (RIST). All rights reserved.
15 * $COPYRIGHT$
16 *
17 * Additional copyrights may follow
18 *
19 * $HEADER$
20 */
21
22 /* This code is based on the PVFS2 ADIO module in ROMIO
23 * Copyright (C) 1997 University of Chicago.
24 * See COPYRIGHT notice in top-level directory.
25 */
26
27 #include "ompi_config.h"
28 #include "fs_pvfs2.h"
29
30 #include "mpi.h"
31 #include "ompi/constants.h"
32 #include "ompi/mca/fs/fs.h"
33
34 /*
35 * file_set_size_pvfs2
36 *
37 * Function: - set_size of a file
38 * Accepts: - same arguments as MPI_File_set_size()
39 * Returns: - Success if size is set
40 */
41 int
42 mca_fs_pvfs2_file_set_size (ompio_file_t *fh,
43 OMPI_MPI_OFFSET_TYPE size)
44 {
45 int ret;
46 mca_fs_pvfs2 *pvfs2_fs;
47
48 pvfs2_fs = (mca_fs_pvfs2 *)fh->f_fs_ptr;
49
50 if (OMPIO_ROOT == fh->f_rank) {
51 ret = PVFS_sys_truncate(pvfs2_fs->object_ref,
52 size, &(pvfs2_fs->credentials));
53 fh->f_comm->c_coll->coll_bcast (&ret,
54 1,
55 MPI_INT,
56 OMPIO_ROOT,
57 fh->f_comm,
58 fh->f_comm->c_coll->coll_bcast_module);
59 }
60 else {
61 fh->f_comm->c_coll->coll_bcast (&ret,
62 1,
63 MPI_INT,
64 OMPIO_ROOT,
65 fh->f_comm,
66 fh->f_comm->c_coll->coll_bcast_module);
67 }
68
69 if (ret != 0) {
70 return OMPI_ERROR;
71 }
72
73 return OMPI_SUCCESS;
74 }