diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c b/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c new file mode 100644 index 000000000000..f6ea80f0b105 --- /dev/null +++ b/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c @@ -0,0 +1,154 @@ +/* + * 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; + ENTRY; + + 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_init_portals(); + if (rc) + GOTO(cleanup, 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); + + 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(); + case 7: + 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; +} + +static void __exit ptlrpc_exit(void) +{ + tgt_mod_exit(); + ptlrpc_nrs_fini(); + sptlrpc_fini(); + ldlm_exit(); + ptlrpc_stop_pinger(); + ptlrpc_exit_portals(); + 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"); + +cfs_module(ptlrpc, "1.0.0", ptlrpc_init, ptlrpc_exit); |