1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
6 * This file is part of Lustre, http://www.lustre.org.
8 * Lustre is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Lustre 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 Lustre; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #define DEBUG_SUBSYSTEM S_RPC
27 # include <linux/module.h>
28 # include <linux/init.h>
30 # include <liblustre.h>
33 #include <linux/obd_support.h>
34 #include <linux/obd_class.h>
35 #include <linux/lustre_net.h>
37 #include "ptlrpc_internal.h"
39 extern int ptlrpc_init_portals(void);
40 extern void ptlrpc_exit_portals(void);
41 static int ldlm_hooks_referenced = 0;
43 int (*ptlrpc_ldlm_namespace_cleanup)(struct ldlm_namespace *, int);
44 int (*ptlrpc_ldlm_replay_locks)(struct obd_import *);
46 #define GET_HOOK(name) \
47 if (!ptlrpc_##name) { \
48 if (!(ptlrpc_##name = inter_module_get(#name))) { \
49 CERROR("can't i_m_g(\"" #name "\")\n"); \
54 static int ldlm_hooks_referenced;
56 /* This is called from ptlrpc_get_connection, which runs after all the modules
57 * are loaded, but before anything else interesting happens.
59 int ptlrpc_get_ldlm_hooks(void)
61 if (ldlm_hooks_referenced)
64 GET_HOOK(ldlm_namespace_cleanup);
65 GET_HOOK(ldlm_replay_locks);
67 ldlm_hooks_referenced = 1;
73 #define PUT_HOOK(hook) \
74 if (ptlrpc_##hook) { \
75 inter_module_put(#hook); \
76 ptlrpc_##hook = NULL; \
79 void ptlrpc_put_ldlm_hooks(void)
82 if (!ldlm_hooks_referenced)
85 PUT_HOOK(ldlm_namespace_cleanup);
86 PUT_HOOK(ldlm_replay_locks);
87 ldlm_hooks_referenced = 0;
93 int ptlrpc_ldlm_hooks_referenced(void)
95 return ldlm_hooks_referenced;
98 __init int ptlrpc_init(void)
103 lustre_assert_wire_constants ();
105 rc = ptlrpc_init_portals();
109 ptlrpc_init_connection();
111 ptlrpc_put_connection_superhack = ptlrpc_put_connection;
112 ptlrpc_abort_inflight_superhack = ptlrpc_abort_inflight;
116 static void __exit ptlrpc_exit(void)
118 ptlrpc_exit_portals();
119 ptlrpc_cleanup_connection();
123 EXPORT_SYMBOL(ptlrpc_dump_connections);
124 EXPORT_SYMBOL(ptlrpc_readdress_connection);
125 EXPORT_SYMBOL(ptlrpc_get_connection);
126 EXPORT_SYMBOL(ptlrpc_put_connection);
127 EXPORT_SYMBOL(ptlrpc_connection_addref);
128 EXPORT_SYMBOL(ptlrpc_init_connection);
129 EXPORT_SYMBOL(ptlrpc_cleanup_connection);
132 EXPORT_SYMBOL(ptlrpc_bulk_put);
133 EXPORT_SYMBOL(ptlrpc_bulk_get);
134 EXPORT_SYMBOL(ptlrpc_abort_bulk);
135 EXPORT_SYMBOL(ptlrpc_register_bulk);
136 EXPORT_SYMBOL(ptlrpc_unregister_bulk);
137 EXPORT_SYMBOL(ptlrpc_reply);
138 EXPORT_SYMBOL(ptlrpc_error);
139 EXPORT_SYMBOL(ptlrpc_resend_req);
140 EXPORT_SYMBOL(ptl_send_rpc);
141 EXPORT_SYMBOL(ptlrpc_link_svc_me);
144 EXPORT_SYMBOL(ptlrpc_init_client);
145 EXPORT_SYMBOL(ptlrpc_cleanup_client);
146 EXPORT_SYMBOL(ptlrpc_req_to_uuid);
147 EXPORT_SYMBOL(ptlrpc_uuid_to_connection);
148 EXPORT_SYMBOL(ptlrpc_queue_wait);
149 EXPORT_SYMBOL(ptlrpc_replay_req);
150 EXPORT_SYMBOL(ptlrpc_restart_req);
151 EXPORT_SYMBOL(ptlrpc_prep_req);
152 EXPORT_SYMBOL(ptlrpc_free_req);
153 EXPORT_SYMBOL(ptlrpc_unregister_reply);
154 EXPORT_SYMBOL(ptlrpc_req_finished);
155 EXPORT_SYMBOL(ptlrpc_request_addref);
156 EXPORT_SYMBOL(ptlrpc_prep_bulk_imp);
157 EXPORT_SYMBOL(ptlrpc_prep_bulk_exp);
158 EXPORT_SYMBOL(ptlrpc_free_bulk);
159 EXPORT_SYMBOL(ptlrpc_prep_bulk_page);
160 EXPORT_SYMBOL(ptlrpc_free_bulk_page);
161 EXPORT_SYMBOL(ptlrpc_abort_inflight);
162 EXPORT_SYMBOL(ptlrpc_retain_replayable_request);
163 EXPORT_SYMBOL(ptlrpc_next_xid);
165 EXPORT_SYMBOL(ptlrpc_prep_set);
166 EXPORT_SYMBOL(ptlrpc_set_add_req);
167 EXPORT_SYMBOL(ptlrpc_set_destroy);
168 EXPORT_SYMBOL(ptlrpc_set_wait);
171 EXPORT_SYMBOL(ptlrpc_init_svc);
172 EXPORT_SYMBOL(ptlrpc_stop_all_threads);
173 EXPORT_SYMBOL(ptlrpc_start_thread);
174 EXPORT_SYMBOL(ptlrpc_unregister_service);
177 EXPORT_SYMBOL(lustre_pack_msg);
178 EXPORT_SYMBOL(lustre_msg_size);
179 EXPORT_SYMBOL(lustre_unpack_msg);
180 EXPORT_SYMBOL(lustre_msg_buf);
181 EXPORT_SYMBOL(lustre_msg_string);
182 EXPORT_SYMBOL(lustre_swab_reqbuf);
183 EXPORT_SYMBOL(lustre_swab_repbuf);
184 EXPORT_SYMBOL(lustre_swab_obdo);
185 EXPORT_SYMBOL(lustre_swab_obd_statfs);
186 EXPORT_SYMBOL(lustre_swab_obd_ioobj);
187 EXPORT_SYMBOL(lustre_swab_niobuf_remote);
188 EXPORT_SYMBOL(lustre_swab_ost_body);
189 EXPORT_SYMBOL(lustre_swab_ll_fid);
190 EXPORT_SYMBOL(lustre_swab_mds_status_req);
191 EXPORT_SYMBOL(lustre_swab_mds_fileh_body);
192 EXPORT_SYMBOL(lustre_swab_mds_body);
193 EXPORT_SYMBOL(lustre_swab_mds_rec_setattr);
194 EXPORT_SYMBOL(lustre_swab_mds_rec_create);
195 EXPORT_SYMBOL(lustre_swab_mds_rec_link);
196 EXPORT_SYMBOL(lustre_swab_mds_rec_unlink);
197 EXPORT_SYMBOL(lustre_swab_mds_rec_rename);
198 EXPORT_SYMBOL(lustre_swab_lov_desc);
199 EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
200 EXPORT_SYMBOL(lustre_swab_ldlm_extent);
201 EXPORT_SYMBOL(lustre_swab_ldlm_intent);
202 EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
203 EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
204 EXPORT_SYMBOL(lustre_swab_ldlm_request);
205 EXPORT_SYMBOL(lustre_swab_ldlm_reply);
206 EXPORT_SYMBOL(lustre_swab_ptlbd_op);
207 EXPORT_SYMBOL(lustre_swab_ptlbd_niob);
208 EXPORT_SYMBOL(lustre_swab_ptlbd_rsp);
210 /* ptlrpc_module.c */
211 EXPORT_SYMBOL(ptlrpc_put_ldlm_hooks);
212 EXPORT_SYMBOL(ptlrpc_ldlm_hooks_referenced);
215 EXPORT_SYMBOL(ptlrpc_run_recovery_over_upcall);
216 EXPORT_SYMBOL(ptlrpc_run_failed_import_upcall);
217 EXPORT_SYMBOL(ptlrpc_reconnect_import);
218 EXPORT_SYMBOL(ptlrpc_replay);
219 EXPORT_SYMBOL(ptlrpc_resend);
220 EXPORT_SYMBOL(ptlrpc_wake_delayed);
221 EXPORT_SYMBOL(ptlrpc_set_import_active);
222 EXPORT_SYMBOL(ptlrpc_fail_import);
223 EXPORT_SYMBOL(ptlrpc_fail_export);
224 EXPORT_SYMBOL(ptlrpc_recover_import);
227 EXPORT_SYMBOL(client_obd_setup);
228 EXPORT_SYMBOL(client_obd_cleanup);
231 EXPORT_SYMBOL(ptlrpc_pinger_add_import);
232 EXPORT_SYMBOL(ptlrpc_pinger_del_import);
233 EXPORT_SYMBOL(ptlrpc_pinger_sending_on_import);
236 MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
237 MODULE_DESCRIPTION("Lustre Request Processor");
238 MODULE_LICENSE("GPL");
240 module_init(ptlrpc_init);
241 module_exit(ptlrpc_exit);