2008-03-15 04:09:15 +08:00
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/*
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* Copyright (C) 2005-2008 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 v.2.
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*/
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#ifndef __DLM_PLOCK_DOT_H__
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#define __DLM_PLOCK_DOT_H__
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2009-01-30 23:21:30 +08:00
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#include <linux/types.h>
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2008-03-15 04:09:15 +08:00
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#define DLM_PLOCK_MISC_NAME "dlm_plock"
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#define DLM_PLOCK_VERSION_MAJOR 1
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#define DLM_PLOCK_VERSION_MINOR 1
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#define DLM_PLOCK_VERSION_PATCH 0
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enum {
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DLM_PLOCK_OP_LOCK = 1,
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DLM_PLOCK_OP_UNLOCK,
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DLM_PLOCK_OP_GET,
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};
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struct dlm_plock_info {
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__u32 version[3];
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__u8 optype;
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__u8 ex;
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__u8 wait;
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__u8 pad;
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__u32 pid;
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__s32 nodeid;
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__s32 rv;
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__u32 fsid;
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__u64 number;
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__u64 start;
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__u64 end;
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__u64 owner;
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};
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#ifdef __KERNEL__
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int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
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int cmd, struct file_lock *fl);
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int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
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struct file_lock *fl);
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int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
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struct file_lock *fl);
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#endif /* __KERNEL__ */
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#endif
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