ee32e4f3d3
We want to be able to change or disable the default drop_count (number at which the dlm asks gfs to limit the the number of locks it's holding). Add it to the collection of sysfs tunables for an fs. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/*
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* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
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* Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License version 2.
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*/
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#include <linux/init.h>
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#include "lock_dlm.h"
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extern struct lm_lockops gdlm_ops;
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static int __init init_lock_dlm(void)
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{
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int error;
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error = gfs2_register_lockproto(&gdlm_ops);
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if (error) {
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printk(KERN_WARNING "lock_dlm: can't register protocol: %d\n",
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error);
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return error;
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}
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error = gdlm_sysfs_init();
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if (error) {
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gfs2_unregister_lockproto(&gdlm_ops);
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return error;
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}
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error = gdlm_plock_init();
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if (error) {
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gdlm_sysfs_exit();
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gfs2_unregister_lockproto(&gdlm_ops);
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return error;
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}
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printk(KERN_INFO
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"Lock_DLM (built %s %s) installed\n", __DATE__, __TIME__);
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return 0;
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}
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static void __exit exit_lock_dlm(void)
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{
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gdlm_plock_exit();
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gdlm_sysfs_exit();
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gfs2_unregister_lockproto(&gdlm_ops);
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}
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module_init(init_lock_dlm);
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module_exit(exit_lock_dlm);
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MODULE_DESCRIPTION("GFS DLM Locking Module");
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MODULE_AUTHOR("Red Hat, Inc.");
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MODULE_LICENSE("GPL");
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