1 // SPDX-License-Identifier: GPL-2.0-only 2 /****************************************************************************** 3 ******************************************************************************* 4 ** 5 ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. 6 ** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved. 7 ** 8 ** 9 ******************************************************************************* 10 ******************************************************************************/ 11 12 #include <linux/module.h> 13 14 #include "dlm_internal.h" 15 #include "lockspace.h" 16 #include "lock.h" 17 #include "user.h" 18 #include "memory.h" 19 #include "config.h" 20 #include "midcomms.h" 21 22 #define CREATE_TRACE_POINTS 23 #include <trace/events/dlm.h> 24 25 static int __init init_dlm(void) 26 { 27 int error; 28 29 error = dlm_memory_init(); 30 if (error) 31 goto out; 32 33 dlm_midcomms_init(); 34 35 error = dlm_lockspace_init(); 36 if (error) 37 goto out_mem; 38 39 error = dlm_config_init(); 40 if (error) 41 goto out_lockspace; 42 43 dlm_register_debugfs(); 44 45 error = dlm_user_init(); 46 if (error) 47 goto out_debug; 48 49 error = dlm_netlink_init(); 50 if (error) 51 goto out_user; 52 53 error = dlm_plock_init(); 54 if (error) 55 goto out_netlink; 56 57 printk("DLM installed\n"); 58 59 return 0; 60 61 out_netlink: 62 dlm_netlink_exit(); 63 out_user: 64 dlm_user_exit(); 65 out_debug: 66 dlm_unregister_debugfs(); 67 dlm_config_exit(); 68 out_lockspace: 69 dlm_lockspace_exit(); 70 out_mem: 71 dlm_midcomms_exit(); 72 dlm_memory_exit(); 73 out: 74 return error; 75 } 76 77 static void __exit exit_dlm(void) 78 { 79 dlm_plock_exit(); 80 dlm_netlink_exit(); 81 dlm_user_exit(); 82 dlm_config_exit(); 83 dlm_memory_exit(); 84 dlm_lockspace_exit(); 85 dlm_midcomms_exit(); 86 dlm_unregister_debugfs(); 87 } 88 89 module_init(init_dlm); 90 module_exit(exit_dlm); 91 92 MODULE_DESCRIPTION("Distributed Lock Manager"); 93 MODULE_AUTHOR("Red Hat, Inc."); 94 MODULE_LICENSE("GPL"); 95 96 EXPORT_SYMBOL_GPL(dlm_new_lockspace); 97 EXPORT_SYMBOL_GPL(dlm_release_lockspace); 98 EXPORT_SYMBOL_GPL(dlm_lock); 99 EXPORT_SYMBOL_GPL(dlm_unlock); 100 101