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/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* 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.
*
* 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).
*
* 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.
*
* 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.
*/
#define DEBUG_SUBSYSTEM S_RPC
#include <obd_support.h>
#include <obd_class.h>
#include <lustre_net.h>
#include <lustre_req_layout.h>
#include "ptlrpc_internal.h"
extern spinlock_t ptlrpc_last_xid_lock;
#if RS_DEBUG
extern spinlock_t ptlrpc_rs_debug_lock;
#endif
extern struct mutex pinger_mutex;
extern struct mutex ptlrpcd_mutex;
__init int ptlrpc_init(void)
{
int rc, cleanup_phase = 0;
lustre_assert_wire_constants();
#if RS_DEBUG
spin_lock_init(&ptlrpc_rs_debug_lock);
#endif
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 = ptlrpc_hr_init();
if (rc)
return rc;
cleanup_phase = 1;
rc = ptlrpc_request_cache_init();
if (rc)
GOTO(cleanup, rc);
cleanup_phase = 2;
rc = ptlrpc_init_portals();
if (rc)
GOTO(cleanup, rc);
cleanup_phase = 3;
rc = ptlrpc_connection_init();
if (rc)
GOTO(cleanup, rc);
cleanup_phase = 4;
ptlrpc_put_connection_superhack = ptlrpc_connection_put;
rc = ptlrpc_start_pinger();
if (rc)
GOTO(cleanup, rc);
cleanup_phase = 5;
rc = ldlm_init();
if (rc)
GOTO(cleanup, rc);
cleanup_phase = 6;
rc = sptlrpc_init();
if (rc)
GOTO(cleanup, rc);
cleanup_phase = 7;
rc = ptlrpc_nrs_init();
if (rc)
GOTO(cleanup, rc);
cleanup_phase = 8;
rc = tgt_mod_init();
if (rc)
GOTO(cleanup, rc);
return 0;
cleanup:
switch (cleanup_phase) {
case 8:
ptlrpc_nrs_fini();
/* Fall through */
case 7:
sptlrpc_fini();
/* Fall through */
case 6:
ldlm_exit();
/* Fall through */
case 5:
ptlrpc_stop_pinger();
/* Fall through */
case 4:
ptlrpc_connection_fini();
/* Fall through */
case 3:
ptlrpc_exit_portals();
/* Fall through */
case 2:
ptlrpc_request_cache_fini();
/* Fall through */
case 1:
ptlrpc_hr_fini();
req_layout_fini();
/* Fall through */
default: ;
}
return rc;
}
static void __exit ptlrpc_exit(void)
{
tgt_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();
}
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre Request Processor and Lock Management");
MODULE_LICENSE("GPL");
MODULE_VERSION("1.0.0");
module_init(ptlrpc_init);
module_exit(ptlrpc_exit);
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