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LU-4423 lustre: don't declare extern variables in C files.
[fs/lustre-release.git] / lustre / ptlrpc / ptlrpc_module.c
index 6bb04f9..cd73db8 100644 (file)
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
  * Lustre is a trademark of Sun Microsystems, Inc.
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 #define DEBUG_SUBSYSTEM S_RPC
 
-#ifndef __KERNEL__
-# include <liblustre.h>
-#endif
 
 #include <obd_support.h>
 #include <obd_class.h>
 
 #include "ptlrpc_internal.h"
 
-extern spinlock_t ptlrpc_last_xid_lock;
-extern spinlock_t ptlrpc_rs_debug_lock;
-extern spinlock_t ptlrpc_all_services_lock;
-extern struct semaphore pinger_sem;
-extern struct semaphore ptlrpcd_sem;
-extern int ptlrpc_init_portals(void);
-extern void ptlrpc_exit_portals(void);
-
-__init int ptlrpc_init(void)
+static __init int ptlrpc_init(void)
 {
-        int rc, cleanup_phase = 0;
-        ENTRY;
-
-        lustre_assert_wire_constants();
-        spin_lock_init(&ptlrpc_last_xid_lock);
-        spin_lock_init(&ptlrpc_rs_debug_lock);
-        spin_lock_init(&ptlrpc_all_services_lock);
-        init_mutex(&pinger_sem);
-        init_mutex(&ptlrpcd_sem);
-
-        rc = req_layout_init();
-        if (rc)
-                RETURN(rc);
-        cleanup_phase = 1;
-
-        rc = ptlrpc_init_portals();
-        if (rc)
-                RETURN(rc);
-        cleanup_phase = 2;
-
-        rc = ptlrpc_connection_init();
-        if (rc)
-                GOTO(cleanup, rc);
-        cleanup_phase = 3;
-
-        ptlrpc_put_connection_superhack = ptlrpc_connection_put;
-
-        rc = ptlrpc_start_pinger();
-        if (rc)
-                GOTO(cleanup, rc);
-        cleanup_phase = 4;
-
-        rc = ldlm_init();
-        if (rc)
-                GOTO(cleanup, rc);
-        cleanup_phase = 5;
-
-        rc = sptlrpc_init();
-        if (rc)
-                GOTO(cleanup, rc);
+       int rc;
 
-        cleanup_phase = 6;
-        rc = llog_recov_init();
-        if (rc)
-                GOTO(cleanup, rc);
+       ENTRY;
 
-        RETURN(0);
-
-cleanup:
-        switch(cleanup_phase) {
-        case 6:
-                sptlrpc_fini();
-        case 5:
-                ldlm_exit();
-        case 4:
-                ptlrpc_stop_pinger();
-        case 3:
-                ptlrpc_connection_fini();
-        case 2:
-                ptlrpc_exit_portals();
-        case 1:
-                req_layout_fini();
-        default: ;
-        }
-
-        return rc;
+       lustre_assert_wire_constants();
+#if RS_DEBUG
+       spin_lock_init(&ptlrpc_rs_debug_lock);
+#endif
+       INIT_LIST_HEAD(&ptlrpc_all_services);
+       mutex_init(&ptlrpc_all_services_mutex);
+       mutex_init(&pinger_mutex);
+       mutex_init(&ptlrpcd_mutex);
+       ptlrpc_init_xid();
+
+       rc = req_layout_init();
+       if (rc)
+               RETURN(rc);
+
+       rc = tgt_mod_init();
+       if (rc)
+               GOTO(err_layout, rc);
+
+       rc = ptlrpc_hr_init();
+       if (rc)
+               GOTO(err_tgt, rc);
+
+       rc = ptlrpc_request_cache_init();
+       if (rc)
+               GOTO(err_hr, rc);
+
+       rc = ptlrpc_init_portals();
+       if (rc)
+               GOTO(err_cache, rc);
+
+       rc = ptlrpc_connection_init();
+       if (rc)
+               GOTO(err_portals, rc);
+
+       ptlrpc_put_connection_superhack = ptlrpc_connection_put;
+
+       rc = ptlrpc_start_pinger();
+       if (rc)
+               GOTO(err_conn, rc);
+
+       rc = ldlm_init();
+       if (rc)
+               GOTO(err_pinger, rc);
+
+       rc = sptlrpc_init();
+       if (rc)
+               GOTO(err_ldlm, rc);
+
+       rc = ptlrpc_nrs_init();
+       if (rc)
+               GOTO(err_sptlrpc, rc);
+
+       rc = nodemap_mod_init();
+       if (rc)
+               GOTO(err_nrs, rc);
+
+       RETURN(0);
+err_nrs:
+       ptlrpc_nrs_fini();
+err_sptlrpc:
+       sptlrpc_fini();
+err_ldlm:
+       ldlm_exit();
+err_pinger:
+       ptlrpc_stop_pinger();
+err_conn:
+       ptlrpc_connection_fini();
+err_portals:
+       ptlrpc_exit_portals();
+err_cache:
+       ptlrpc_request_cache_fini();
+err_hr:
+       ptlrpc_hr_fini();
+err_tgt:
+       tgt_mod_exit();
+err_layout:
+       req_layout_fini();
+       return rc;
 }
 
-#ifdef __KERNEL__
 static void __exit ptlrpc_exit(void)
 {
-        llog_recov_fini();
-        sptlrpc_fini();
-        ldlm_exit();
-        ptlrpc_stop_pinger();
-        ptlrpc_exit_portals();
-        ptlrpc_connection_fini();
+       nodemap_mod_exit();
+       ptlrpc_nrs_fini();
+       sptlrpc_fini();
+       ldlm_exit();
+       ptlrpc_stop_pinger();
+       ptlrpc_exit_portals();
+       ptlrpc_request_cache_fini();
+       ptlrpc_hr_fini();
+       ptlrpc_connection_fini();
+       tgt_mod_exit();
+       req_layout_fini();
 }
 
-/* connection.c */
-EXPORT_SYMBOL(ptlrpc_connection_get);
-EXPORT_SYMBOL(ptlrpc_connection_put);
-EXPORT_SYMBOL(ptlrpc_connection_addref);
-EXPORT_SYMBOL(ptlrpc_connection_init);
-EXPORT_SYMBOL(ptlrpc_connection_fini);
-
-/* niobuf.c */
-EXPORT_SYMBOL(ptlrpc_start_bulk_transfer);
-EXPORT_SYMBOL(ptlrpc_abort_bulk);
-EXPORT_SYMBOL(ptlrpc_register_bulk);
-EXPORT_SYMBOL(ptlrpc_unregister_bulk);
-EXPORT_SYMBOL(ptlrpc_send_reply);
-EXPORT_SYMBOL(ptlrpc_reply);
-EXPORT_SYMBOL(ptlrpc_send_error);
-EXPORT_SYMBOL(ptlrpc_error);
-EXPORT_SYMBOL(ptlrpc_resend_req);
-EXPORT_SYMBOL(ptl_send_rpc);
-
-/* client.c */
-EXPORT_SYMBOL(ptlrpc_init_client);
-EXPORT_SYMBOL(ptlrpc_cleanup_client);
-EXPORT_SYMBOL(ptlrpc_uuid_to_connection);
-EXPORT_SYMBOL(ptlrpc_queue_wait);
-EXPORT_SYMBOL(ptlrpc_replay_req);
-EXPORT_SYMBOL(ptlrpc_restart_req);
-EXPORT_SYMBOL(ptlrpc_add_rqs_to_pool);
-EXPORT_SYMBOL(ptlrpc_init_rq_pool);
-EXPORT_SYMBOL(ptlrpc_free_rq_pool);
-EXPORT_SYMBOL(ptlrpc_prep_req_pool);
-EXPORT_SYMBOL(ptlrpc_at_set_req_timeout);
-EXPORT_SYMBOL(ptlrpc_request_alloc);
-EXPORT_SYMBOL(ptlrpc_request_alloc_pool);
-EXPORT_SYMBOL(ptlrpc_request_free);
-EXPORT_SYMBOL(ptlrpc_request_pack);
-EXPORT_SYMBOL(ptlrpc_request_alloc_pack);
-EXPORT_SYMBOL(ptlrpc_prep_req);
-EXPORT_SYMBOL(ptlrpc_unregister_reply);
-EXPORT_SYMBOL(ptlrpc_req_finished);
-EXPORT_SYMBOL(ptlrpc_req_finished_with_imp_lock);
-EXPORT_SYMBOL(ptlrpc_request_addref);
-EXPORT_SYMBOL(ptlrpc_prep_bulk_imp);
-EXPORT_SYMBOL(ptlrpc_prep_bulk_exp);
-EXPORT_SYMBOL(ptlrpc_free_bulk);
-EXPORT_SYMBOL(ptlrpc_prep_bulk_page);
-EXPORT_SYMBOL(ptlrpc_abort_inflight);
-EXPORT_SYMBOL(ptlrpc_retain_replayable_request);
-EXPORT_SYMBOL(ptlrpc_next_xid);
-EXPORT_SYMBOL(ptlrpc_req_set_repsize);
-EXPORT_SYMBOL(ptlrpc_request_set_replen);
-
-EXPORT_SYMBOL(ptlrpc_prep_set);
-EXPORT_SYMBOL(ptlrpc_set_add_cb);
-EXPORT_SYMBOL(ptlrpc_set_add_req);
-EXPORT_SYMBOL(ptlrpc_set_add_new_req);
-EXPORT_SYMBOL(ptlrpc_set_destroy);
-EXPORT_SYMBOL(ptlrpc_set_next_timeout);
-EXPORT_SYMBOL(ptlrpc_check_set);
-EXPORT_SYMBOL(ptlrpc_set_wait);
-EXPORT_SYMBOL(ptlrpc_expired_set);
-EXPORT_SYMBOL(ptlrpc_interrupted_set);
-EXPORT_SYMBOL(ptlrpc_mark_interrupted);
-
-/* service.c */
-EXPORT_SYMBOL(ptlrpc_save_lock);
-EXPORT_SYMBOL(ptlrpc_schedule_difficult_reply);
-EXPORT_SYMBOL(ptlrpc_commit_replies);
-EXPORT_SYMBOL(ptlrpc_init_svc);
-EXPORT_SYMBOL(ptlrpc_stop_all_threads);
-EXPORT_SYMBOL(ptlrpc_start_threads);
-EXPORT_SYMBOL(ptlrpc_start_thread);
-EXPORT_SYMBOL(ptlrpc_unregister_service);
-EXPORT_SYMBOL(ptlrpc_daemonize);
-EXPORT_SYMBOL(ptlrpc_service_health_check);
-
-/* pack_generic.c */
-EXPORT_SYMBOL(lustre_msg_swabbed);
-EXPORT_SYMBOL(lustre_msg_check_version);
-EXPORT_SYMBOL(lustre_pack_request);
-EXPORT_SYMBOL(lustre_pack_reply);
-EXPORT_SYMBOL(lustre_pack_reply_flags);
-EXPORT_SYMBOL(lustre_shrink_msg);
-EXPORT_SYMBOL(lustre_free_reply_state);
-EXPORT_SYMBOL(lustre_msg_size);
-EXPORT_SYMBOL(lustre_packed_msg_size);
-EXPORT_SYMBOL(lustre_unpack_msg);
-EXPORT_SYMBOL(lustre_msg_buf);
-EXPORT_SYMBOL(lustre_msg_string);
-EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
-EXPORT_SYMBOL(lustre_swab_buf);
-EXPORT_SYMBOL(lustre_swab_reqbuf);
-EXPORT_SYMBOL(lustre_swab_repbuf);
-EXPORT_SYMBOL(lustre_swab_obdo);
-EXPORT_SYMBOL(lustre_swab_obd_statfs);
-EXPORT_SYMBOL(lustre_swab_obd_ioobj);
-EXPORT_SYMBOL(lustre_swab_niobuf_remote);
-EXPORT_SYMBOL(lustre_swab_ost_body);
-EXPORT_SYMBOL(lustre_swab_ost_last_id);
-EXPORT_SYMBOL(lustre_swab_ost_lvb);
-EXPORT_SYMBOL(lustre_swab_mds_status_req);
-EXPORT_SYMBOL(lustre_swab_mds_body);
-EXPORT_SYMBOL(lustre_swab_mdt_body);
-EXPORT_SYMBOL(lustre_swab_mdt_epoch);
-EXPORT_SYMBOL(lustre_swab_obd_quotactl);
-EXPORT_SYMBOL(lustre_swab_mds_remote_perm);
-EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
-EXPORT_SYMBOL(lustre_swab_mds_rec_setattr);
-EXPORT_SYMBOL(lustre_swab_mds_rec_create);
-EXPORT_SYMBOL(lustre_swab_mds_rec_join);
-EXPORT_SYMBOL(lustre_swab_mdt_rec_join);
-EXPORT_SYMBOL(lustre_swab_mds_rec_link);
-EXPORT_SYMBOL(lustre_swab_mds_rec_unlink);
-EXPORT_SYMBOL(lustre_swab_mds_rec_rename);
-EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
-EXPORT_SYMBOL(lustre_swab_lov_desc);
-EXPORT_SYMBOL(lustre_swab_lov_user_md);
-EXPORT_SYMBOL(lustre_swab_lov_mds_md);
-EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
-EXPORT_SYMBOL(lustre_swab_lov_user_md_join);
-EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
-EXPORT_SYMBOL(lustre_swab_ldlm_policy_data);
-EXPORT_SYMBOL(lustre_swab_ldlm_intent);
-EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
-EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
-EXPORT_SYMBOL(lustre_swab_ldlm_request);
-EXPORT_SYMBOL(lustre_swab_ldlm_reply);
-EXPORT_SYMBOL(lustre_swab_qdata);
-EXPORT_SYMBOL(lustre_swab_qdata_old);
-EXPORT_SYMBOL(lustre_msg_get_flags);
-EXPORT_SYMBOL(lustre_msg_add_flags);
-EXPORT_SYMBOL(lustre_msg_set_flags);
-EXPORT_SYMBOL(lustre_msg_clear_flags);
-EXPORT_SYMBOL(lustre_msg_get_op_flags);
-EXPORT_SYMBOL(lustre_msg_add_op_flags);
-EXPORT_SYMBOL(lustre_msg_set_op_flags);
-EXPORT_SYMBOL(lustre_msg_get_handle );
-EXPORT_SYMBOL(lustre_msg_get_type);
-EXPORT_SYMBOL(lustre_msg_get_version);
-EXPORT_SYMBOL(lustre_msg_add_version);
-EXPORT_SYMBOL(lustre_msg_get_opc);
-EXPORT_SYMBOL(lustre_msg_get_last_xid);
-EXPORT_SYMBOL(lustre_msg_get_last_committed);
-EXPORT_SYMBOL(lustre_msg_get_transno);
-EXPORT_SYMBOL(lustre_msg_get_status);
-EXPORT_SYMBOL(lustre_msg_get_slv);
-EXPORT_SYMBOL(lustre_msg_get_limit);
-EXPORT_SYMBOL(lustre_msg_set_slv);
-EXPORT_SYMBOL(lustre_msg_set_limit);
-EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
-EXPORT_SYMBOL(lustre_msg_is_v1);
-EXPORT_SYMBOL(lustre_msg_get_magic);
-EXPORT_SYMBOL(lustre_msg_set_handle);
-EXPORT_SYMBOL(lustre_msg_set_type);
-EXPORT_SYMBOL(lustre_msg_set_opc);
-EXPORT_SYMBOL(lustre_msg_set_last_xid);
-EXPORT_SYMBOL(lustre_msg_set_last_committed);
-EXPORT_SYMBOL(lustre_msg_set_transno);
-EXPORT_SYMBOL(lustre_msg_set_status);
-EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
-EXPORT_SYMBOL(lustre_swab_mgs_target_info);
-EXPORT_SYMBOL(lustre_swab_md_fld);
-EXPORT_SYMBOL(lustre_swab_generic_32s);
-EXPORT_SYMBOL(lustre_swab_lustre_capa);
-EXPORT_SYMBOL(lustre_swab_lustre_capa_key);
-EXPORT_SYMBOL(lustre_swab_fiemap);
-
-/* recover.c */
-EXPORT_SYMBOL(ptlrpc_disconnect_import);
-EXPORT_SYMBOL(ptlrpc_resend);
-EXPORT_SYMBOL(ptlrpc_wake_delayed);
-EXPORT_SYMBOL(ptlrpc_set_import_active);
-EXPORT_SYMBOL(ptlrpc_activate_import);
-EXPORT_SYMBOL(ptlrpc_deactivate_import);
-EXPORT_SYMBOL(ptlrpc_invalidate_import);
-EXPORT_SYMBOL(ptlrpc_fail_import);
-EXPORT_SYMBOL(ptlrpc_recover_import);
-
-/* pinger.c */
-EXPORT_SYMBOL(ptlrpc_pinger_add_import);
-EXPORT_SYMBOL(ptlrpc_pinger_del_import);
-EXPORT_SYMBOL(ptlrpc_pinger_sending_on_import);
-
-/* ptlrpcd.c */
-EXPORT_SYMBOL(ptlrpcd_addref);
-EXPORT_SYMBOL(ptlrpcd_decref);
-EXPORT_SYMBOL(ptlrpcd_add_req);
-EXPORT_SYMBOL(ptlrpcd_wake);
-
-/* llogd.c */
-EXPORT_SYMBOL(llog_origin_handle_create);
-EXPORT_SYMBOL(llog_origin_handle_destroy);
-EXPORT_SYMBOL(llog_origin_handle_next_block);
-EXPORT_SYMBOL(llog_origin_handle_prev_block);
-EXPORT_SYMBOL(llog_origin_handle_read_header);
-EXPORT_SYMBOL(llog_origin_handle_close);
-EXPORT_SYMBOL(llog_client_ops);
-EXPORT_SYMBOL(llog_catinfo);
-
-MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
+MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
 MODULE_DESCRIPTION("Lustre Request Processor and Lock Management");
+MODULE_VERSION(LUSTRE_VERSION_STRING);
 MODULE_LICENSE("GPL");
 
-cfs_module(ptlrpc, "1.0.0", ptlrpc_init, ptlrpc_exit);
-#endif
+module_init(ptlrpc_init);
+module_exit(ptlrpc_exit);