| 1 | |
| 2 | |
| 3 | *******************************************************************************
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| 4 | **
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| 5 | ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
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| 6 | ** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
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| 7 | **
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| 8 | **
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| 9 | *******************************************************************************
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| 10 | *****************************************************************************
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| 11 |
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| 12 | #include <linux/module.h>
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| 13 |
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| 14 | #include "dlm_internal.h"
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| 15 | #include "lockspace.h"
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| 16 | #include "lock.h"
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| 17 | #include "user.h"
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| 18 | #include "memory.h"
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| 19 | #include "config.h"
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| 20 | #include "midcomms.h"
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| 21 |
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| 22 | #define CREATE_TRACE_POINTS
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| 23 | #include <trace/events/dlm.h>
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| 24 |
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| 25 | struct workqueue_struct *dlm_wq;
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| 26 |
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| 27 | static int __init init_dlm(void)
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| 28 | {
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| 29 | int error;
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| 30 |
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| 31 | error = dlm_memory_init();
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| 32 | if (error)
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| 33 | goto out;
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| 34 |
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| 35 | dlm_midcomms_init();
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| 36 |
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| 37 | error = dlm_lockspace_init();
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| 38 | if (error)
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| 39 | goto out_mem;
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| 40 |
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| 41 | error = dlm_config_init();
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| 42 | if (error)
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| 43 | goto out_lockspace;
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| 44 |
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| 45 | dlm_register_debugfs();
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| 46 |
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| 47 | error = dlm_user_init();
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| 48 | if (error)
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| 49 | goto out_debug;
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| 50 |
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| 51 | error = dlm_plock_init();
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| 52 | if (error)
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| 53 | goto out_user;
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| 54 |
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| 55 | dlm_wq = alloc_workqueue("dlm_wq", WQ_PERCPU, 0);
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| 56 | if (!dlm_wq) {
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| 57 | error = -ENOMEM;
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| 58 | goto out_plock;
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| 59 | }
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| 60 |
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| 61 | printk("DLM installed\n");
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| 62 |
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| 63 | return 0;
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| 64 |
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| 65 | out_plock:
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| 66 | dlm_plock_exit();
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| 67 | out_user:
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| 68 | dlm_user_exit();
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| 69 | out_debug:
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| 70 | dlm_unregister_debugfs();
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| 71 | dlm_config_exit();
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| 72 | out_lockspace:
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| 73 | dlm_lockspace_exit();
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| 74 | out_mem:
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| 75 | dlm_midcomms_exit();
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| 76 | dlm_memory_exit();
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| 77 | out:
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| 78 | return error;
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| 79 | }
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| 80 |
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| 81 | static void __exit exit_dlm(void)
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| 82 | {
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| 83 |
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| 84 | destroy_workqueue(dlm_wq);
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| 85 | dlm_plock_exit();
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| 86 | dlm_user_exit();
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| 87 | dlm_config_exit();
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| 88 | dlm_lockspace_exit();
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| 89 | dlm_midcomms_exit();
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| 90 | dlm_unregister_debugfs();
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| 91 | dlm_memory_exit();
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| 92 | }
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| 93 |
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| 94 | module_init(init_dlm);
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| 95 | module_exit(exit_dlm);
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| 96 |
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| 97 | MODULE_DESCRIPTION("Distributed Lock Manager");
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| 98 | MODULE_AUTHOR("Red Hat, Inc.");
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| 99 | MODULE_LICENSE("GPL");
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| 100 |
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| 101 | EXPORT_SYMBOL_GPL(dlm_new_lockspace);
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| 102 | EXPORT_SYMBOL_GPL(dlm_release_lockspace);
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| 103 | EXPORT_SYMBOL_GPL(dlm_lock);
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| 104 | EXPORT_SYMBOL_GPL(dlm_unlock);
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| 105 |
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