[deliverable/linux.git] / fs / xfs / support / uuid.h

/*
 * Copyright (c) 2000-2003 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/
 */
#ifndef __XFS_SUPPORT_UUID_H__
#define __XFS_SUPPORT_UUID_H__

typedef struct {
	unsigned char	__u_bits[16];
} uuid_t;

void uuid_init(void);
void uuid_create_nil(uuid_t *uuid);
int uuid_is_nil(uuid_t *uuid);
int uuid_equal(uuid_t *uuid1, uuid_t *uuid2);
void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]);
__uint64_t uuid_hash64(uuid_t *uuid);
int uuid_table_insert(uuid_t *uuid);
void uuid_table_remove(uuid_t *uuid);

#endif	/* __XFS_SUPPORT_UUID_H__ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms of version 2 of the GNU General Public License as
	6	* published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it would be useful, but
	9	* WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
	11	*
	12	* Further, this software is distributed without any warranty that it is
	13	* free of the rightful claim of any third person regarding infringement
	14	* or the like. Any license provided herein, whether implied or
	15	* otherwise, applies only to this software file. Patent licenses, if
	16	* any, provided herein do not apply to combinations of this program with
	17	* other software, or any other product whatsoever.
	18	*
	19	* You should have received a copy of the GNU General Public License along
	20	* with this program; if not, write the Free Software Foundation, Inc., 59
	21	* Temple Place - Suite 330, Boston MA 02111-1307, USA.
	22	*
	23	* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
	24	* Mountain View, CA 94043, or:
	25	*
	26	* http://www.sgi.com
	27	*
	28	* For further information regarding this notice, see:
	29	*
	30	* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
	31	*/
	32	#ifndef __XFS_SUPPORT_UUID_H__
	33	#define __XFS_SUPPORT_UUID_H__
	34
	35	typedef struct {
	36	unsigned char __u_bits[16];
	37	} uuid_t;
	38
	39	void uuid_init(void);
	40	void uuid_create_nil(uuid_t *uuid);
	41	int uuid_is_nil(uuid_t *uuid);
	42	int uuid_equal(uuid_t uuid1, uuid_t uuid2);
	43	void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]);
	44	__uint64_t uuid_hash64(uuid_t *uuid);
	45	int uuid_table_insert(uuid_t *uuid);
	46	void uuid_table_remove(uuid_t *uuid);
	47
	48	#endif /* __XFS_SUPPORT_UUID_H__ */