2 * Unix SMB/CIFS implementation.
3 * Provide a connection to GPFS specific features
4 * Copyright (C) Volker Lendecke 2005
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
21 #include "system/filesys.h"
22 #include "smbd/smbd.h"
27 static int (*gpfs_set_share_fn)(int fd, unsigned int allow, unsigned int deny);
28 static int (*gpfs_set_lease_fn)(int fd, unsigned int type);
29 static int (*gpfs_getacl_fn)(char *pathname, int flags, void *acl);
30 static int (*gpfs_putacl_fn)(char *pathname, int flags, void *acl);
31 static int (*gpfs_get_realfilename_path_fn)(char *pathname, char *filenamep,
33 static int (*gpfs_set_winattrs_path_fn)(char *pathname, int flags,
34 struct gpfs_winattr *attrs);
35 static int (*gpfs_get_winattrs_path_fn)(char *pathname,
36 struct gpfs_winattr *attrs);
37 static int (*gpfs_get_winattrs_fn)(int fd, struct gpfs_winattr *attrs);
38 static int (*gpfs_prealloc_fn)(int fd, gpfs_off64_t start, gpfs_off64_t bytes);
39 static int (*gpfs_ftruncate_fn)(int fd, gpfs_off64_t length);
40 static int (*gpfs_lib_init_fn)(int flags);
41 static int (*gpfs_set_times_path_fn)(char *pathname, int flags,
42 gpfs_timestruc_t times[4]);
43 static int (*gpfs_quotactl_fn)(char *pathname, int cmd, int id, void *bufp);
44 static int (*gpfs_fcntl_fn)(int fd, void *argp);
45 static int (*gpfs_getfilesetid_fn)(char *pathname, char *name, int *idp);
47 int gpfswrap_init(void)
55 l = dlopen("libgpfs.so", RTLD_LAZY);
60 gpfs_set_share_fn = dlsym(l, "gpfs_set_share");
61 gpfs_set_lease_fn = dlsym(l, "gpfs_set_lease");
62 gpfs_getacl_fn = dlsym(l, "gpfs_getacl");
63 gpfs_putacl_fn = dlsym(l, "gpfs_putacl");
64 gpfs_get_realfilename_path_fn = dlsym(l, "gpfs_get_realfilename_path");
65 gpfs_set_winattrs_path_fn = dlsym(l, "gpfs_set_winattrs_path");
66 gpfs_get_winattrs_path_fn = dlsym(l, "gpfs_get_winattrs_path");
67 gpfs_get_winattrs_fn = dlsym(l, "gpfs_get_winattrs");
68 gpfs_prealloc_fn = dlsym(l, "gpfs_prealloc");
69 gpfs_ftruncate_fn = dlsym(l, "gpfs_ftruncate");
70 gpfs_lib_init_fn = dlsym(l, "gpfs_lib_init");
71 gpfs_set_times_path_fn = dlsym(l, "gpfs_set_times_path");
72 gpfs_quotactl_fn = dlsym(l, "gpfs_quotactl");
73 gpfs_fcntl_fn = dlsym(l, "gpfs_fcntl");
74 gpfs_getfilesetid_fn = dlsym(l, "gpfs_getfilesetid");
79 int gpfswrap_set_share(int fd, unsigned int allow, unsigned int deny)
81 if (gpfs_set_share_fn == NULL) {
86 return gpfs_set_share_fn(fd, allow, deny);
89 int gpfswrap_set_lease(int fd, unsigned int type)
91 if (gpfs_set_lease_fn == NULL) {
96 return gpfs_set_lease_fn(fd, type);
99 int gpfswrap_getacl(char *pathname, int flags, void *acl)
101 if (gpfs_getacl_fn == NULL) {
106 return gpfs_getacl_fn(pathname, flags, acl);
109 int gpfswrap_putacl(char *pathname, int flags, void *acl)
111 if (gpfs_putacl_fn == NULL) {
116 return gpfs_putacl_fn(pathname, flags, acl);
119 int gpfswrap_get_realfilename_path(char *pathname, char *filenamep, int *len)
121 if (gpfs_get_realfilename_path_fn == NULL) {
126 return gpfs_get_realfilename_path_fn(pathname, filenamep, len);
129 int gpfswrap_set_winattrs_path(char *pathname, int flags,
130 struct gpfs_winattr *attrs)
132 if (gpfs_set_winattrs_path_fn == NULL) {
137 return gpfs_set_winattrs_path_fn(pathname, flags, attrs);
140 int gpfswrap_get_winattrs_path(char *pathname, struct gpfs_winattr *attrs)
142 if (gpfs_get_winattrs_path_fn == NULL) {
147 return gpfs_get_winattrs_path_fn(pathname, attrs);
150 int gpfswrap_get_winattrs(int fd, struct gpfs_winattr *attrs)
152 if (gpfs_get_winattrs_fn == NULL) {
157 return gpfs_get_winattrs_fn(fd, attrs);
160 int gpfswrap_prealloc(int fd, gpfs_off64_t start, gpfs_off64_t bytes)
162 if (gpfs_prealloc_fn == NULL) {
167 return gpfs_prealloc_fn(fd, start, bytes);
170 int gpfswrap_ftruncate(int fd, gpfs_off64_t length)
172 if (gpfs_ftruncate_fn == NULL) {
177 return gpfs_ftruncate_fn(fd, length);
180 int gpfswrap_lib_init(int flags)
182 if (gpfs_lib_init_fn == NULL) {
187 return gpfs_lib_init_fn(flags);
190 int gpfswrap_set_times_path(char *pathname, int flags,
191 gpfs_timestruc_t times[4])
193 if (gpfs_set_times_path_fn == NULL) {
198 return gpfs_set_times_path_fn(pathname, flags, times);
201 int gpfswrap_quotactl(char *pathname, int cmd, int id, void *bufp)
203 if (gpfs_quotactl_fn == NULL) {
208 return gpfs_quotactl_fn(pathname, cmd, id, bufp);
211 int gpfswrap_fcntl(int fd, void *argp)
213 if (gpfs_fcntl_fn == NULL) {
218 return gpfs_fcntl_fn(fd, argp);
221 int gpfswrap_getfilesetid(char *pathname, char *name, int *idp)
223 if (gpfs_getfilesetid_fn == NULL) {
228 return gpfs_getfilesetid_fn(pathname, name, idp);