1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/*
* 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) 2008-2016 University of Houston. All rights reserved.
* Copyright (c) 2015-2016 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2018 Cisco Systems, Inc. All rights reserved
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "opal/mca/base/base.h"
#include "opal/util/path.h"
#include "opal/util/printf.h"
#include "opal/util/string_copy.h"
#include "ompi/mca/mca.h"
#include "ompi/mca/fs/fs.h"
#include "ompi/mca/fs/base/base.h"
#include "ompi/mca/common/ompio/common_ompio.h"
/*
* Be careful moving this include.
* It's easy to hit problems similar to that reported in
* https://github.com/systemd/systemd/issues/8507
*/
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
void mca_fs_base_get_parent_dir ( char *filename, char **dirnamep)
{
char *dir = NULL, *slash;
if (strlen(filename) < 1) {
opal_asprintf(dirnamep, ".%s", OPAL_PATH_SEP);
return;
}
if (!mca_fs_base_is_link(filename)) {
/* no such file, or file is not a link; these are the "normal"
* cases where we can just return the parent directory.
*/
dir = strdup(filename);
}
else {
/* filename is a symlink. we've presumably already tried
* to stat it and found it to be missing (dangling link),
* but this code doesn't care if the target is really there
* or not.
*/
mca_fs_base_get_real_filename(filename, &dir);
}
slash = strrchr(dir, '/');
if (!slash) {
// It is guaranteed in this case that "dir" will be at least 2
// characters long.
opal_string_copy(dir, ".", 2);
} else {
if (slash == dir) {
*(dir + 1) = '\0';
} else {
*slash = '\0';
}
}
*dirnamep = dir;
return;
}
int mca_fs_base_get_fstype(char *fname )
{
int ompio_type = UFS;
char *fstype=NULL;
bool ret = opal_path_nfs ( fname, &fstype );
if ( false == ret ) {
char *dir;
mca_fs_base_get_parent_dir (fname, &dir );
ret = opal_path_nfs (dir, &fstype);
free(dir);
if ( false == ret ) {
return ompio_type;
}
}
if ( 0 == strncasecmp(fstype, "lustre", sizeof("lustre")) ) {
ompio_type = LUSTRE;
}
else if ( 0 == strncasecmp(fstype, "pvfs2", sizeof("pvfs2"))) {
ompio_type = PVFS2;
}
else if ( 0 == strncasecmp(fstype, "ime", sizeof("ime"))) {
ompio_type = IME;
}
else if ( 0 == strncasecmp(fstype, "gpfs", sizeof("gpfs"))) {
ompio_type = GPFS;
}
free (fstype);
return ompio_type;
}
int mca_fs_base_get_mpi_err(int errno_val)
{
int ret;
switch (errno_val) {
case EACCES:
ret = MPI_ERR_ACCESS;
break;
case ENAMETOOLONG:
case EISDIR:
ret = MPI_ERR_BAD_FILE;
break;
case ENOENT:
ret = MPI_ERR_NO_SUCH_FILE;
break;
case EROFS:
ret = MPI_ERR_READ_ONLY;
break;
case EEXIST:
ret = MPI_ERR_FILE_EXISTS;
break;
case ENOSPC:
ret = MPI_ERR_NO_SPACE;
break;
case EDQUOT:
ret = MPI_ERR_QUOTA;
break;
case ETXTBSY:
ret = MPI_ERR_FILE_IN_USE;
break;
case EBADF:
ret = MPI_ERR_FILE;
break;
default:
ret = MPI_ERR_OTHER;
break;
}
return ret;
}
int mca_fs_base_get_file_perm(ompio_file_t *fh)
{
int old_mask;
int perm = fh->f_perm;
if (OMPIO_PERM_NULL == perm) {
old_mask = umask(022);
umask(old_mask);
perm = old_mask ^ 0666;
}
return perm;
}
int mca_fs_base_get_file_amode(int rank, int access_mode)
{
int amode = 0;
if (access_mode & MPI_MODE_RDONLY) {
amode = amode | O_RDONLY;
}
if (access_mode & MPI_MODE_WRONLY) {
amode = amode | O_WRONLY;
}
if (access_mode & MPI_MODE_RDWR) {
amode = amode | O_RDWR;
}
/* MODE_CREATE and MODE_EXCL should only be set by one process */
if(OMPIO_ROOT == rank) {
if (access_mode & MPI_MODE_CREATE) {
amode = amode | O_CREAT;
}
if (access_mode & MPI_MODE_EXCL) {
amode = amode | O_EXCL;
}
}
return amode;
}
|
