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Split allocation group header into two buffers; make superblock one
buffer long instead of one block long.

#ifndef _FS_XFS_TYPES_H
#define	_FS_XFS_TYPES_H

#ident	"$Revision: 1.3 $"

/*
 * xFS types
 */

typedef int8_t		__int8_t;
typedef	u_int8_t	__uint8_t;

typedef	int16_t		__int16_t;
typedef	u_int16_t	__uint16_t;

typedef __uint64_t	xfs_fsblock_t;	/* blockno in filesystem */
typedef __uint32_t	xfs_agblock_t;	/* blockno in alloc. group */
typedef	__uint32_t	xfs_extlen_t;	/* extent length in blocks */
typedef	__uint32_t	xfs_agnumber_t;	/* allocation group number */
typedef __int32_t	xfs_extnum_t;	/* # of extents in a file */

typedef	__int64_t	xfs_lsn_t;	/* log sequence number */
typedef	__int32_t	xfs_tid_t;	/* transaction identifier */

#define	NULLFSBLOCK	((xfs_fsblock_t)-1)
#define	NULLAGBLOCK	((xfs_agblock_t)-1)
#define	NULLAGNUMBER	((xfs_agnumber_t)-1)
#define	NULLEXTNUM	((xfs_extnum_t)-1)

typedef enum {
	XFS_LOOKUP_EQ, XFS_LOOKUP_LE, XFS_LOOKUP_GE
} xfs_lookup_t;

typedef enum {
	XFS_BTNUM_BNO, XFS_BTNUM_CNT, XFS_BTNUM_BMAP, XFS_BTNUM_MAX
} xfs_btnum_t;

#endif	/* !_FS_XFS_TYPES_H */