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Update copyright dates (again)

/*
 * Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it would be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * 
 * Further, this software is distributed without any warranty that it is
 * free of the rightful claim of any third person regarding infringement
 * or the like.  Any license provided herein, whether implied or
 * otherwise, applies only to this software file.  Patent licenses, if
 * any, provided herein do not apply to combinations of this program with
 * other software, or any other product whatsoever.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
 * 
 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 * Mountain View, CA  94043, or:
 * 
 * http://www.sgi.com 
 * 
 * For further information regarding this notice, see: 
 * 
 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
 */

#include <libxfs.h>
#include <jdm.h>

#include "types.h"
#include "qlock.h"
#include "mlog.h"

static qlockh_t lock_qlockh = QLOCKH_NULL;

bool_t
lock_init( void )
{
	/* initialization sanity checks
	 */
	ASSERT( lock_qlockh == QLOCKH_NULL );

	/* allocate a qlock
	 */
	lock_qlockh = qlock_alloc( QLOCK_ORD_CRIT );

	return BOOL_TRUE;
}

void
lock( void )
{
	qlock_lock( lock_qlockh );
}

void
unlock( void )
{
	qlock_unlock( lock_qlockh );
}