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add version 3 xfs arg structure (with padding) for new biosize option
pv: 555963,553288  rv:doucette@engr

#ifndef __SYS_XFS_CLNT_H__
#define __SYS_XFS_CLNT_H__

/**************************************************************************
 *									  *
 * 		 Copyright (C) 1993, Silicon Graphics, Inc.		  *
 *									  *
 *  These coded instructions, statements, and computer programs  contain  *
 *  unpublished  proprietary  information of Silicon Graphics, Inc., and  *
 *  are protected by Federal copyright law.  They  may  not be disclosed  *
 *  to  third  parties  or copied or duplicated in any form, in whole or  *
 *  in part, without the prior written consent of Silicon Graphics, Inc.  *
 *									  *
 **************************************************************************/
#ident "$Revision: 1.13 $"

/*
 * XFS arguments to the mount system call.
 */
struct xfs_args {
	int	version;	/* version of this */
				/* 1, see xfs_args_ver_1 */
				/* 2, see xfs_args_ver_2 */
				/* 3, see xfs_args_ver_3 */
				/* ... */
	int	flags;		/* flags, see XFSMNT_... below */
	int	logbufs;	/* Number of log buffers, -1 to default */
	int	logbufsize;	/* Size of log buffers, -1 to default */
	char	*fsname;	/* filesystem name (mount point) */
	/*
	 * Next two are for stripe aligment.
	 * Set 0 for no alignment handling (see XFSMNT_NOALIGN flag)
	 */
	int	sunit;		/* stripe unit (bbs) */
	int	swidth;		/* stripe width (bbs), multiple of sunit */

	uchar_t	iosizelog;	/* log2 of the preferred I/O size */

	uchar_t	reserved_0;	/* reserved fields */
	short	reserved_1;
	int	reserved_2;
	int	reserved_3;
};

#ifdef _KERNEL
struct xfs_args_ver_1 {
	__int32_t	version;
	__int32_t	flags;
	__int32_t	logbufs;
	__int32_t	logbufsize;
	app32_ptr_t	fsname;
};

struct xfs_args_ver_2 {
	__int32_t	version;
	__int32_t	flags;
	__int32_t	logbufs;
	__int32_t	logbufsize;
	app32_ptr_t	fsname;
	__int32_t	sunit;
	__int32_t	swidth;
};

struct xfs_args_ver_3 {
	__int32_t	version;
	__int32_t	flags;
	__int32_t	logbufs;
	__int32_t	logbufsize;
	app32_ptr_t	fsname;
	__int32_t	sunit;
	__int32_t	swidth;
	uint8_t		iosizelog;
	uint8_t		reserved_3_0;
	__int16_t	reserved_3_1;
	__int32_t	reserved_3_2;
	__int32_t	reserved_3_3;
};
#endif /* _KERNEL */

/*
 * XFS mount option flags
 */
#define	XFSMNT_CHKLOG		0x00000001	/* check log */
#define	XFSMNT_WSYNC		0x00000002	/* safe mode nfs mount
						 * compatible */
#define	XFSMNT_INO64		0x00000004	/* move inode numbers up
						 * past 2^32 */
#define XFSMNT_UQUOTA		0x00000008	/* user quota accounting */
#define XFSMNT_PQUOTA		0x00000010	/* project quota accounting */
#define XFSMNT_UQUOTAENF	0x00000020	/* user quota limit
						 * enforcement */
#define XFSMNT_PQUOTAENF	0x00000040	/* project quota limit
						 * enforcement */
#define XFSMNT_QUOTAMAYBE	0x00000080	/* don't turn off if SB
						 * has quotas on */
#define XFSMNT_NOATIME		0x00000100	/* don't modify access
						 * times on reads */
#define XFSMNT_NOALIGN		0x00000200	/* don't allocate at
						 * stripe boundaries*/
#define XFSMNT_RETERR		0x00000400	/* return error to user */
#define XFSMNT_NORECOVERY	0x00000800	/* no recovery, implies
						 * read-only mount */
#define XFSMNT_SHARED		0x00001000	/* shared XFS mount */
#define XFSMNT_IOSIZE		0x00002000	/* optimize for I/O size */
#define XFSMNT_OSYNCISDSYNC	0x00004000	/* treat o_sync like o_dsync */

#endif /* !__SYS_XFS_CLNT_H__ */