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linux-next/include/linux/lock_dlm_plock.h
David Teigland de9b75d31e [GFS2] add plock owner
We need to use fl_owner instead of fl_pid to track the owner of a posix
lock.  Pass the owner value out to user space where cluster plocks are
managed.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-07-31 15:44:29 -04:00

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765 B
C

/*
* Copyright (C) 2005 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License v.2.
*/
#ifndef __LOCK_DLM_PLOCK_DOT_H__
#define __LOCK_DLM_PLOCK_DOT_H__
#define GDLM_PLOCK_MISC_NAME "lock_dlm_plock"
#define GDLM_PLOCK_VERSION_MAJOR 1
#define GDLM_PLOCK_VERSION_MINOR 1
#define GDLM_PLOCK_VERSION_PATCH 0
enum {
GDLM_PLOCK_OP_LOCK = 1,
GDLM_PLOCK_OP_UNLOCK,
GDLM_PLOCK_OP_GET,
};
struct gdlm_plock_info {
__u32 version[3];
__u8 optype;
__u8 ex;
__u8 wait;
__u8 pad;
__u32 pid;
__s32 nodeid;
__s32 rv;
__u32 fsid;
__u64 number;
__u64 start;
__u64 end;
__u64 owner;
};
#endif