lustre/ptlrpc/ptlrpc_module.c

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
   4  *  Copyright (c) 2002, 2003 Cluster File Systems, Inc.
   5  *
   6  *   This file is part of the Lustre file system, http://www.lustre.org
   7  *   Lustre is a trademark of Cluster File Systems, Inc.
   8  *
   9  *   You may have signed or agreed to another license before downloading
  10  *   this software.  If so, you are bound by the terms and conditions
  11  *   of that agreement, and the following does not apply to you.  See the
  12  *   LICENSE file included with this distribution for more information.
  13  *
  14  *   If you did not agree to a different license, then this copy of Lustre
  15  *   is open source software; you can redistribute it and/or modify it
  16  *   under the terms of version 2 of the GNU General Public License as
  17  *   published by the Free Software Foundation.
  18  *
  19  *   In either case, Lustre is distributed in the hope that it will be
  20  *   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  21  *   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *   license text for more details.
  23  *
  24  */
  25
  26 #ifndef EXPORT_SYMTAB
  27 # define EXPORT_SYMTAB
  28 #endif
  29 #define DEBUG_SUBSYSTEM S_RPC
  30
  31 #ifndef __KERNEL__
  32 # include <liblustre.h>
  33 #endif
  34
  35 #include <obd_support.h>
  36 #include <obd_class.h>
  37 #include <lustre_net.h>
  38 #include <lustre_req_layout.h>
  39
  40 #include "ptlrpc_internal.h"
  41
  42 extern spinlock_t ptlrpc_last_xid_lock;
  43 extern spinlock_t ptlrpc_rs_debug_lock;
  44 extern spinlock_t ptlrpc_all_services_lock;
  45 extern struct semaphore pinger_sem;
  46 extern struct semaphore ptlrpcd_sem;
  47 extern int ptlrpc_init_portals(void);
  48 extern void ptlrpc_exit_portals(void);
  49
  50 __init int ptlrpc_init(void)
  51 {
  52         int rc, cleanup_phase = 0;
  53         ENTRY;
  54
  55         lustre_assert_wire_constants();
  56         spin_lock_init(&ptlrpc_last_xid_lock);
  57         spin_lock_init(&ptlrpc_rs_debug_lock);
  58         spin_lock_init(&ptlrpc_all_services_lock);
  59         init_mutex(&pinger_sem);
  60         init_mutex(&ptlrpcd_sem);
  61
  62         rc = req_layout_init();
  63         if (rc)
  64                 RETURN(rc);
  65         cleanup_phase = 1;
  66
  67         rc = ptlrpc_init_portals();
  68         if (rc)
  69                 RETURN(rc);
  70         cleanup_phase = 2;
  71
  72         ptlrpc_init_connection();
  73         if (rc)
  74                 GOTO(cleanup, rc);
  75         cleanup_phase = 3;
  76
  77         rc = llog_init_commit_master();
  78         if (rc)
  79                 GOTO(cleanup, rc);
  80         cleanup_phase = 4;
  81
  82         ptlrpc_put_connection_superhack = ptlrpc_put_connection;
  83
  84         rc = ptlrpc_start_pinger();
  85         if (rc)
  86                 GOTO(cleanup, rc);
  87         cleanup_phase = 5;
  88
  89         rc = ldlm_init();
  90         if (rc)
  91                 GOTO(cleanup, rc);
  92         cleanup_phase = 6;
  93
  94         rc = sptlrpc_init();
  95         if (rc)
  96                 GOTO(cleanup, rc);
  97
  98         RETURN(0);
  99
 100 cleanup:
 101         switch(cleanup_phase) {
 102         case 6:
 103                 ldlm_exit();
 104         case 5:
 105                 ptlrpc_stop_pinger();
 106         case 4:
 107                 llog_cleanup_commit_master(1);
 108         case 3:
 109                 ptlrpc_cleanup_connection();
 110         case 2:
 111                 ptlrpc_exit_portals();
 112         case 1:
 113                 req_layout_fini();
 114         default: ;
 115         }
 116
 117         return rc;
 118 }
 119
 120 #ifdef __KERNEL__
 121 static void __exit ptlrpc_exit(void)
 122 {
 123         sptlrpc_fini();
 124         ldlm_exit();
 125         ptlrpc_stop_pinger();
 126         ptlrpc_exit_portals();
 127         ptlrpc_cleanup_connection();
 128         llog_cleanup_commit_master(0);
 129 }
 130
 131 /* connection.c */
 132 EXPORT_SYMBOL(ptlrpc_dump_connections);
 133 EXPORT_SYMBOL(ptlrpc_readdress_connection);
 134 EXPORT_SYMBOL(ptlrpc_get_connection);
 135 EXPORT_SYMBOL(ptlrpc_put_connection);
 136 EXPORT_SYMBOL(ptlrpc_connection_addref);
 137 EXPORT_SYMBOL(ptlrpc_init_connection);
 138 EXPORT_SYMBOL(ptlrpc_cleanup_connection);
 139
 140 /* niobuf.c */
 141 EXPORT_SYMBOL(ptlrpc_start_bulk_transfer);
 142 EXPORT_SYMBOL(ptlrpc_abort_bulk);
 143 EXPORT_SYMBOL(ptlrpc_register_bulk);
 144 EXPORT_SYMBOL(ptlrpc_unregister_bulk);
 145 EXPORT_SYMBOL(ptlrpc_send_reply);
 146 EXPORT_SYMBOL(ptlrpc_reply);
 147 EXPORT_SYMBOL(ptlrpc_error);
 148 EXPORT_SYMBOL(ptlrpc_resend_req);
 149 EXPORT_SYMBOL(ptl_send_rpc);
 150
 151 /* client.c */
 152 EXPORT_SYMBOL(ptlrpc_init_client);
 153 EXPORT_SYMBOL(ptlrpc_cleanup_client);
 154 EXPORT_SYMBOL(ptlrpc_uuid_to_connection);
 155 EXPORT_SYMBOL(ptlrpc_queue_wait);
 156 EXPORT_SYMBOL(ptlrpc_replay_req);
 157 EXPORT_SYMBOL(ptlrpc_restart_req);
 158 EXPORT_SYMBOL(ptlrpc_add_rqs_to_pool);
 159 EXPORT_SYMBOL(ptlrpc_init_rq_pool);
 160 EXPORT_SYMBOL(ptlrpc_free_rq_pool);
 161 EXPORT_SYMBOL(ptlrpc_prep_req_pool);
 162 EXPORT_SYMBOL(ptlrpc_request_alloc);
 163 EXPORT_SYMBOL(ptlrpc_request_alloc_pool);
 164 EXPORT_SYMBOL(ptlrpc_request_free);
 165 EXPORT_SYMBOL(ptlrpc_request_pack);
 166 EXPORT_SYMBOL(ptlrpc_request_alloc_pack);
 167 EXPORT_SYMBOL(ptlrpc_prep_req);
 168 EXPORT_SYMBOL(ptlrpc_free_req);
 169 EXPORT_SYMBOL(ptlrpc_unregister_reply);
 170 EXPORT_SYMBOL(ptlrpc_req_finished);
 171 EXPORT_SYMBOL(ptlrpc_req_finished_with_imp_lock);
 172 EXPORT_SYMBOL(ptlrpc_request_addref);
 173 EXPORT_SYMBOL(ptlrpc_prep_bulk_imp);
 174 EXPORT_SYMBOL(ptlrpc_prep_bulk_exp);
 175 EXPORT_SYMBOL(ptlrpc_free_bulk);
 176 EXPORT_SYMBOL(ptlrpc_prep_bulk_page);
 177 EXPORT_SYMBOL(ptlrpc_abort_inflight);
 178 EXPORT_SYMBOL(ptlrpc_retain_replayable_request);
 179 EXPORT_SYMBOL(ptlrpc_next_xid);
 180 EXPORT_SYMBOL(ptlrpc_req_set_repsize);
 181 EXPORT_SYMBOL(ptlrpc_request_set_replen);
 182
 183 EXPORT_SYMBOL(ptlrpc_prep_set);
 184 EXPORT_SYMBOL(ptlrpc_set_add_cb);
 185 EXPORT_SYMBOL(ptlrpc_set_add_req);
 186 EXPORT_SYMBOL(ptlrpc_set_add_new_req);
 187 EXPORT_SYMBOL(ptlrpc_set_destroy);
 188 EXPORT_SYMBOL(ptlrpc_set_next_timeout);
 189 EXPORT_SYMBOL(ptlrpc_check_set);
 190 EXPORT_SYMBOL(ptlrpc_set_wait);
 191 EXPORT_SYMBOL(ptlrpc_expired_set);
 192 EXPORT_SYMBOL(ptlrpc_interrupted_set);
 193 EXPORT_SYMBOL(ptlrpc_mark_interrupted);
 194
 195 /* service.c */
 196 EXPORT_SYMBOL(ptlrpc_save_lock);
 197 EXPORT_SYMBOL(ptlrpc_schedule_difficult_reply);
 198 EXPORT_SYMBOL(ptlrpc_commit_replies);
 199 EXPORT_SYMBOL(ptlrpc_init_svc);
 200 EXPORT_SYMBOL(ptlrpc_stop_all_threads);
 201 EXPORT_SYMBOL(ptlrpc_start_threads);
 202 EXPORT_SYMBOL(ptlrpc_start_thread);
 203 EXPORT_SYMBOL(ptlrpc_unregister_service);
 204 EXPORT_SYMBOL(ptlrpc_daemonize);
 205 EXPORT_SYMBOL(ptlrpc_service_health_check);
 206
 207 /* pack_generic.c */
 208 EXPORT_SYMBOL(lustre_msg_swabbed);
 209 EXPORT_SYMBOL(lustre_msg_check_version);
 210 EXPORT_SYMBOL(lustre_pack_request);
 211 EXPORT_SYMBOL(lustre_pack_reply);
 212 EXPORT_SYMBOL(lustre_shrink_msg);
 213 EXPORT_SYMBOL(lustre_free_reply_state);
 214 EXPORT_SYMBOL(lustre_msg_size);
 215 EXPORT_SYMBOL(lustre_packed_msg_size);
 216 EXPORT_SYMBOL(lustre_unpack_msg);
 217 EXPORT_SYMBOL(lustre_msg_buf);
 218 EXPORT_SYMBOL(lustre_msg_string);
 219 EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
 220 EXPORT_SYMBOL(lustre_swab_buf);
 221 EXPORT_SYMBOL(lustre_swab_reqbuf);
 222 EXPORT_SYMBOL(lustre_swab_repbuf);
 223 EXPORT_SYMBOL(lustre_swab_obdo);
 224 EXPORT_SYMBOL(lustre_swab_obd_statfs);
 225 EXPORT_SYMBOL(lustre_swab_obd_ioobj);
 226 EXPORT_SYMBOL(lustre_swab_niobuf_remote);
 227 EXPORT_SYMBOL(lustre_swab_ost_body);
 228 EXPORT_SYMBOL(lustre_swab_ost_last_id);
 229 EXPORT_SYMBOL(lustre_swab_ost_lvb);
 230 EXPORT_SYMBOL(lustre_swab_mds_status_req);
 231 EXPORT_SYMBOL(lustre_swab_mds_body);
 232 EXPORT_SYMBOL(lustre_swab_mdt_body);
 233 EXPORT_SYMBOL(lustre_swab_mdt_epoch);
 234 EXPORT_SYMBOL(lustre_swab_obd_quotactl);
 235 EXPORT_SYMBOL(lustre_swab_mds_remote_perm);
 236 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
 237 EXPORT_SYMBOL(lustre_swab_mds_rec_setattr);
 238 EXPORT_SYMBOL(lustre_swab_mds_rec_create);
 239 EXPORT_SYMBOL(lustre_swab_mds_rec_join);
 240 EXPORT_SYMBOL(lustre_swab_mdt_rec_join);
 241 EXPORT_SYMBOL(lustre_swab_mds_rec_link);
 242 EXPORT_SYMBOL(lustre_swab_mds_rec_unlink);
 243 EXPORT_SYMBOL(lustre_swab_mds_rec_rename);
 244 EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
 245 EXPORT_SYMBOL(lustre_swab_lov_desc);
 246 EXPORT_SYMBOL(lustre_swab_lov_user_md);
 247 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
 248 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
 249 EXPORT_SYMBOL(lustre_swab_lov_user_md_join);
 250 EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
 251 EXPORT_SYMBOL(lustre_swab_ldlm_policy_data);
 252 EXPORT_SYMBOL(lustre_swab_ldlm_intent);
 253 EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
 254 EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
 255 EXPORT_SYMBOL(lustre_swab_ldlm_request);
 256 EXPORT_SYMBOL(lustre_swab_ldlm_reply);
 257 EXPORT_SYMBOL(lustre_swab_qdata);
 258 EXPORT_SYMBOL(lustre_swab_qdata_old);
 259 EXPORT_SYMBOL(lustre_msg_get_flags);
 260 EXPORT_SYMBOL(lustre_msg_add_flags);
 261 EXPORT_SYMBOL(lustre_msg_set_flags);
 262 EXPORT_SYMBOL(lustre_msg_clear_flags);
 263 EXPORT_SYMBOL(lustre_msg_get_op_flags);
 264 EXPORT_SYMBOL(lustre_msg_add_op_flags);
 265 EXPORT_SYMBOL(lustre_msg_set_op_flags);
 266 EXPORT_SYMBOL(lustre_msg_get_handle );
 267 EXPORT_SYMBOL(lustre_msg_get_type);
 268 EXPORT_SYMBOL(lustre_msg_get_version);
 269 EXPORT_SYMBOL(lustre_msg_add_version);
 270 EXPORT_SYMBOL(lustre_msg_get_opc);
 271 EXPORT_SYMBOL(lustre_msg_get_last_xid);
 272 EXPORT_SYMBOL(lustre_msg_get_last_committed);
 273 EXPORT_SYMBOL(lustre_msg_get_transno);
 274 EXPORT_SYMBOL(lustre_msg_get_status);
 275 EXPORT_SYMBOL(lustre_msg_get_slv);
 276 EXPORT_SYMBOL(lustre_msg_get_limit);
 277 EXPORT_SYMBOL(lustre_msg_set_slv);
 278 EXPORT_SYMBOL(lustre_msg_set_limit);
 279 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
 280 EXPORT_SYMBOL(lustre_msg_get_magic);
 281 EXPORT_SYMBOL(lustre_msg_set_handle);
 282 EXPORT_SYMBOL(lustre_msg_set_type);
 283 EXPORT_SYMBOL(lustre_msg_set_opc);
 284 EXPORT_SYMBOL(lustre_msg_set_last_xid);
 285 EXPORT_SYMBOL(lustre_msg_set_last_committed);
 286 EXPORT_SYMBOL(lustre_msg_set_transno);
 287 EXPORT_SYMBOL(lustre_msg_set_status);
 288 EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
 289 EXPORT_SYMBOL(lustre_swab_mgs_target_info);
 290 EXPORT_SYMBOL(lustre_swab_md_fld);
 291 EXPORT_SYMBOL(lustre_swab_generic_32s);
 292 EXPORT_SYMBOL(lustre_swab_lustre_capa);
 293 EXPORT_SYMBOL(lustre_swab_lustre_capa_key);
 294
 295 /* recover.c */
 296 EXPORT_SYMBOL(ptlrpc_disconnect_import);
 297 EXPORT_SYMBOL(ptlrpc_resend);
 298 EXPORT_SYMBOL(ptlrpc_wake_delayed);
 299 EXPORT_SYMBOL(ptlrpc_set_import_active);
 300 EXPORT_SYMBOL(ptlrpc_activate_import);
 301 EXPORT_SYMBOL(ptlrpc_deactivate_import);
 302 EXPORT_SYMBOL(ptlrpc_invalidate_import);
 303 EXPORT_SYMBOL(ptlrpc_fail_import);
 304 EXPORT_SYMBOL(ptlrpc_recover_import);
 305
 306 /* pinger.c */
 307 EXPORT_SYMBOL(ptlrpc_pinger_add_import);
 308 EXPORT_SYMBOL(ptlrpc_pinger_del_import);
 309 EXPORT_SYMBOL(ptlrpc_pinger_sending_on_import);
 310
 311 /* ptlrpcd.c */
 312 EXPORT_SYMBOL(ptlrpcd_addref);
 313 EXPORT_SYMBOL(ptlrpcd_decref);
 314 EXPORT_SYMBOL(ptlrpcd_add_req);
 315 EXPORT_SYMBOL(ptlrpcd_wake);
 316
 317 /* llogd.c */
 318 EXPORT_SYMBOL(llog_origin_handle_create);
 319 EXPORT_SYMBOL(llog_origin_handle_destroy);
 320 EXPORT_SYMBOL(llog_origin_handle_next_block);
 321 EXPORT_SYMBOL(llog_origin_handle_prev_block);
 322 EXPORT_SYMBOL(llog_origin_handle_read_header);
 323 EXPORT_SYMBOL(llog_origin_handle_close);
 324 EXPORT_SYMBOL(llog_client_ops);
 325 EXPORT_SYMBOL(llog_catinfo);
 326
 327 MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
 328 MODULE_DESCRIPTION("Lustre Request Processor and Lock Management");
 329 MODULE_LICENSE("GPL");
 330
 331 cfs_module(ptlrpc, "1.0.0", ptlrpc_init, ptlrpc_exit);
 332 #endif