Whamcloud - gitweb
LU-2446 build: Update Whamcloud copyright messages for Intel
[fs/lustre-release.git] / lustre / ptlrpc / ptlrpc_module.c
index 9e3a0c7..1026e48 100644 (file)
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
  *
- *  Copyright (c) 2002, 2003 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *   This file is part of Lustre, http://www.lustre.org.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- *   Lustre is free software; you can redistribute it and/or
- *   modify it under the terms of version 2 of the GNU General Public
- *   License as published by the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- *   Lustre is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
+ * 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
  *
- *   You should have received a copy of the GNU General Public License
- *   along with Lustre; if not, write to the Free Software
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
  *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, 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
 
-#ifdef __KERNEL__
-# include <linux/module.h>
-# include <linux/init.h>
-#else
+#ifndef __KERNEL__
 # include <liblustre.h>
 #endif
 
-#include <linux/obd_support.h>
-#include <linux/obd_class.h>
-#include <linux/lustre_net.h>
+#include <obd_support.h>
+#include <obd_class.h>
+#include <lustre_net.h>
+#include <lustre_req_layout.h>
 
 #include "ptlrpc_internal.h"
 
-extern int ptlrpc_init_portals(void);
-extern void ptlrpc_exit_portals(void);
+extern spinlock_t ptlrpc_last_xid_lock;
+#if RS_DEBUG
+extern spinlock_t ptlrpc_rs_debug_lock;
+#endif
+extern spinlock_t ptlrpc_all_services_lock;
+extern struct mutex pinger_mutex;
+extern struct mutex ptlrpcd_mutex;
 
 __init int ptlrpc_init(void)
 {
-        int rc;
+        int rc, cleanup_phase = 0;
         ENTRY;
 
         lustre_assert_wire_constants();
+#if RS_DEBUG
+       spin_lock_init(&ptlrpc_rs_debug_lock);
+#endif
+       spin_lock_init(&ptlrpc_all_services_lock);
+       mutex_init(&pinger_mutex);
+       mutex_init(&ptlrpcd_mutex);
+        ptlrpc_init_xid();
 
-        rc = ptlrpc_init_portals();
+        rc = req_layout_init();
         if (rc)
                 RETURN(rc);
 
-        ptlrpc_init_connection();
-        llog_init_commit_master();
+        rc = ptlrpc_hr_init();
+        if (rc)
+                RETURN(rc);
 
-        ptlrpc_put_connection_superhack = ptlrpc_put_connection;
-        ptlrpc_abort_inflight_superhack = ptlrpc_abort_inflight;
+        cleanup_phase = 1;
+
+        rc = ptlrpc_init_portals();
+        if (rc)
+                GOTO(cleanup, rc);
+        cleanup_phase = 2;
+
+        rc = ptlrpc_connection_init();
+        if (rc)
+                GOTO(cleanup, rc);
+        cleanup_phase = 3;
 
-        ptlrpc_start_pinger();
-        ldlm_init();
+        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);
+
+        cleanup_phase = 6;
+        rc = llog_recov_init();
+        if (rc)
+                GOTO(cleanup, rc);
+
+#ifdef __KERNEL__
+       cleanup_phase = 7;
+       rc = tgt_mod_init();
+       if (rc)
+               GOTO(cleanup, rc);
+#endif
         RETURN(0);
+
+cleanup:
+        switch(cleanup_phase) {
+#ifdef __KERNEL__
+       case 7:
+               llog_recov_fini();
+#endif
+        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:
+                ptlrpc_hr_fini();
+                req_layout_fini();
+        default: ;
+        }
+
+        return rc;
 }
 
 #ifdef __KERNEL__
 static void __exit ptlrpc_exit(void)
 {
+       tgt_mod_exit();
+        llog_recov_fini();
+        sptlrpc_fini();
         ldlm_exit();
         ptlrpc_stop_pinger();
         ptlrpc_exit_portals();
-        ptlrpc_cleanup_connection();
-        llog_cleanup_commit_master(0);
+        ptlrpc_hr_fini();
+        ptlrpc_connection_fini();
 }
 
-/* connection.c */
-EXPORT_SYMBOL(ptlrpc_dump_connections);
-EXPORT_SYMBOL(ptlrpc_readdress_connection);
-EXPORT_SYMBOL(ptlrpc_get_connection);
-EXPORT_SYMBOL(ptlrpc_put_connection);
-EXPORT_SYMBOL(ptlrpc_connection_addref);
-EXPORT_SYMBOL(ptlrpc_init_connection);
-EXPORT_SYMBOL(ptlrpc_cleanup_connection);
-
-/* 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_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_prep_req);
-EXPORT_SYMBOL(ptlrpc_free_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_prep_set);
-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);
-
-/* import.c */
-EXPORT_SYMBOL(ptlrpc_deactivate_import);
-EXPORT_SYMBOL(ptlrpc_invalidate_import);
-EXPORT_SYMBOL(ptlrpc_activate_import);
-EXPORT_SYMBOL(ptlrpc_fail_import);
-EXPORT_SYMBOL(ptlrpc_disconnect_import);
-
-/* service.c */
-EXPORT_SYMBOL(ptlrpc_save_lock);
-EXPORT_SYMBOL(ptlrpc_save_llog_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_n_threads);
-EXPORT_SYMBOL(ptlrpc_start_thread);
-EXPORT_SYMBOL(ptlrpc_unregister_service);
-EXPORT_SYMBOL(ptlrpc_daemonize);
-
-/* pack_generic.c */
-EXPORT_SYMBOL(lustre_msg_swabbed);
-EXPORT_SYMBOL(lustre_pack_request);
-EXPORT_SYMBOL(lustre_pack_reply);
-EXPORT_SYMBOL(lustre_free_reply_state);
-EXPORT_SYMBOL(lustre_msg_size);
-EXPORT_SYMBOL(lustre_init_msg);
-EXPORT_SYMBOL(lustre_unpack_msg);
-EXPORT_SYMBOL(lustre_msg_buf);
-EXPORT_SYMBOL(lustre_msg_string);
-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_ll_fid);
-EXPORT_SYMBOL(lustre_swab_mds_status_req);
-EXPORT_SYMBOL(lustre_swab_mds_body);
-EXPORT_SYMBOL(lustre_swab_mds_rec_setattr);
-EXPORT_SYMBOL(lustre_swab_mds_rec_create);
-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_lov_desc);
-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_ptlbd_op);
-EXPORT_SYMBOL(lustre_swab_ptlbd_niob);
-EXPORT_SYMBOL(lustre_swab_ptlbd_rsp);
-EXPORT_SYMBOL(lustre_swab_clonefs_info);
-EXPORT_SYMBOL(mdc_create_pack);
-EXPORT_SYMBOL(mdc_setattr_pack);
-EXPORT_SYMBOL(mdc_unlink_pack);
-EXPORT_SYMBOL(mdc_link_pack);
-EXPORT_SYMBOL(mdc_rename_pack);
-
-/* recover.c */
-EXPORT_SYMBOL(ptlrpc_run_recovery_over_upcall);
-EXPORT_SYMBOL(ptlrpc_run_failed_import_upcall);
-EXPORT_SYMBOL(ptlrpc_resend);
-EXPORT_SYMBOL(ptlrpc_wake_delayed);
-EXPORT_SYMBOL(ptlrpc_set_import_active);
-EXPORT_SYMBOL(ptlrpc_fail_export);
-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);
-
-/* lproc_ptlrpc.c */
-EXPORT_SYMBOL(ptlrpc_lprocfs_register_obd);
-EXPORT_SYMBOL(ptlrpc_lprocfs_unregister_obd);
-
-/* llogd.c */
-EXPORT_SYMBOL(llog_origin_handle_open);
-EXPORT_SYMBOL(llog_origin_handle_prev_block);
-EXPORT_SYMBOL(llog_origin_handle_next_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("Cluster File Systems, Inc. <info@clusterfs.com>");
+MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
 MODULE_DESCRIPTION("Lustre Request Processor and Lock Management");
 MODULE_LICENSE("GPL");
 
-module_init(ptlrpc_init);
-module_exit(ptlrpc_exit);
+cfs_module(ptlrpc, "1.0.0", ptlrpc_init, ptlrpc_exit);
 #endif