2 * Unix SMB/CIFS implementation.
3 * Wrapper for GPFS library
4 * Copyright (C) Volker Lendecke 2005
5 * Copyright (C) Christof Schmitt 2015
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
24 static int (*gpfs_set_share_fn
)(int fd
, unsigned int allow
, unsigned int deny
);
25 static int (*gpfs_set_lease_fn
)(int fd
, unsigned int type
);
26 static int (*gpfs_getacl_fn
)(char *pathname
, int flags
, void *acl
);
27 static int (*gpfs_putacl_fn
)(char *pathname
, int flags
, void *acl
);
28 static int (*gpfs_get_realfilename_path_fn
)(char *pathname
, char *filenamep
,
30 static int (*gpfs_set_winattrs_path_fn
)(char *pathname
, int flags
,
31 struct gpfs_winattr
*attrs
);
32 static int (*gpfs_get_winattrs_path_fn
)(char *pathname
,
33 struct gpfs_winattr
*attrs
);
34 static int (*gpfs_get_winattrs_fn
)(int fd
, struct gpfs_winattr
*attrs
);
35 static int (*gpfs_prealloc_fn
)(int fd
, gpfs_off64_t start
, gpfs_off64_t bytes
);
36 static int (*gpfs_ftruncate_fn
)(int fd
, gpfs_off64_t length
);
37 static int (*gpfs_lib_init_fn
)(int flags
);
38 static int (*gpfs_set_times_path_fn
)(char *pathname
, int flags
,
39 gpfs_timestruc_t times
[4]);
40 static int (*gpfs_quotactl_fn
)(char *pathname
, int cmd
, int id
, void *bufp
);
41 static int (*gpfs_fcntl_fn
)(int fd
, void *argp
);
42 static int (*gpfs_getfilesetid_fn
)(char *pathname
, char *name
, int *idp
);
44 int gpfswrap_init(void)
52 l
= dlopen("libgpfs.so", RTLD_LAZY
);
57 gpfs_set_share_fn
= dlsym(l
, "gpfs_set_share");
58 gpfs_set_lease_fn
= dlsym(l
, "gpfs_set_lease");
59 gpfs_getacl_fn
= dlsym(l
, "gpfs_getacl");
60 gpfs_putacl_fn
= dlsym(l
, "gpfs_putacl");
61 gpfs_get_realfilename_path_fn
= dlsym(l
, "gpfs_get_realfilename_path");
62 gpfs_set_winattrs_path_fn
= dlsym(l
, "gpfs_set_winattrs_path");
63 gpfs_get_winattrs_path_fn
= dlsym(l
, "gpfs_get_winattrs_path");
64 gpfs_get_winattrs_fn
= dlsym(l
, "gpfs_get_winattrs");
65 gpfs_prealloc_fn
= dlsym(l
, "gpfs_prealloc");
66 gpfs_ftruncate_fn
= dlsym(l
, "gpfs_ftruncate");
67 gpfs_lib_init_fn
= dlsym(l
, "gpfs_lib_init");
68 gpfs_set_times_path_fn
= dlsym(l
, "gpfs_set_times_path");
69 gpfs_quotactl_fn
= dlsym(l
, "gpfs_quotactl");
70 gpfs_fcntl_fn
= dlsym(l
, "gpfs_fcntl");
71 gpfs_getfilesetid_fn
= dlsym(l
, "gpfs_getfilesetid");
76 int gpfswrap_set_share(int fd
, unsigned int allow
, unsigned int deny
)
78 if (gpfs_set_share_fn
== NULL
) {
83 return gpfs_set_share_fn(fd
, allow
, deny
);
86 int gpfswrap_set_lease(int fd
, unsigned int type
)
88 if (gpfs_set_lease_fn
== NULL
) {
93 return gpfs_set_lease_fn(fd
, type
);
96 int gpfswrap_getacl(char *pathname
, int flags
, void *acl
)
98 if (gpfs_getacl_fn
== NULL
) {
103 return gpfs_getacl_fn(pathname
, flags
, acl
);
106 int gpfswrap_putacl(char *pathname
, int flags
, void *acl
)
108 if (gpfs_putacl_fn
== NULL
) {
113 return gpfs_putacl_fn(pathname
, flags
, acl
);
116 int gpfswrap_get_realfilename_path(char *pathname
, char *filenamep
, int *len
)
118 if (gpfs_get_realfilename_path_fn
== NULL
) {
123 return gpfs_get_realfilename_path_fn(pathname
, filenamep
, len
);
126 int gpfswrap_set_winattrs_path(char *pathname
, int flags
,
127 struct gpfs_winattr
*attrs
)
129 if (gpfs_set_winattrs_path_fn
== NULL
) {
134 return gpfs_set_winattrs_path_fn(pathname
, flags
, attrs
);
137 int gpfswrap_get_winattrs_path(char *pathname
, struct gpfs_winattr
*attrs
)
139 if (gpfs_get_winattrs_path_fn
== NULL
) {
144 return gpfs_get_winattrs_path_fn(pathname
, attrs
);
147 int gpfswrap_get_winattrs(int fd
, struct gpfs_winattr
*attrs
)
149 if (gpfs_get_winattrs_fn
== NULL
) {
154 return gpfs_get_winattrs_fn(fd
, attrs
);
157 int gpfswrap_prealloc(int fd
, gpfs_off64_t start
, gpfs_off64_t bytes
)
159 if (gpfs_prealloc_fn
== NULL
) {
164 return gpfs_prealloc_fn(fd
, start
, bytes
);
167 int gpfswrap_ftruncate(int fd
, gpfs_off64_t length
)
169 if (gpfs_ftruncate_fn
== NULL
) {
174 return gpfs_ftruncate_fn(fd
, length
);
177 int gpfswrap_lib_init(int flags
)
179 if (gpfs_lib_init_fn
== NULL
) {
184 return gpfs_lib_init_fn(flags
);
187 int gpfswrap_set_times_path(char *pathname
, int flags
,
188 gpfs_timestruc_t times
[4])
190 if (gpfs_set_times_path_fn
== NULL
) {
195 return gpfs_set_times_path_fn(pathname
, flags
, times
);
198 int gpfswrap_quotactl(char *pathname
, int cmd
, int id
, void *bufp
)
200 if (gpfs_quotactl_fn
== NULL
) {
205 return gpfs_quotactl_fn(pathname
, cmd
, id
, bufp
);
208 int gpfswrap_fcntl(int fd
, void *argp
)
210 if (gpfs_fcntl_fn
== NULL
) {
215 return gpfs_fcntl_fn(fd
, argp
);
218 int gpfswrap_getfilesetid(char *pathname
, char *name
, int *idp
)
220 if (gpfs_getfilesetid_fn
== NULL
) {
225 return gpfs_getfilesetid_fn(pathname
, name
, idp
);