/*
   * Copyright (c) 1995-2005 Silicon Graphics, Inc.
   * All Rights Reserved.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser 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.  See the
   * GNU Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public License
   * along with this program; if not, write the Free Software Foundation,
   * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   */
  #ifndef __XFS_FS_H__
  #define __XFS_FS_H__
  
  /*
   * SGI's XFS filesystem's major stuff (constants, structures)
   */
  
  /*
   * Direct I/O attribute record used with XFS_IOC_DIOINFO
   * d_miniosz is the min xfer size, xfer size multiple and file seek offset
   * alignment.
   */
  #ifndef HAVE_DIOATTR
  struct dioattr {
  	__u32		d_mem;		/* data buffer memory alignment */
  	__u32		d_miniosz;	/* min xfer size		*/
  	__u32		d_maxiosz;	/* max xfer size		*/
  };
  #endif
  
  /*
   * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR.
   */
  #ifndef HAVE_FSXATTR
  struct fsxattr {
  	__u32		fsx_xflags;	/* xflags field value (get/set) */
  	__u32		fsx_extsize;	/* extsize field value (get/set)*/
  	__u32		fsx_nextents;	/* nextents field value (get)	*/
  	__u32		fsx_projid;	/* project identifier (get/set) */
  	unsigned char	fsx_pad[12];
  };
  #endif
  
  /*
   * Flags for the bs_xflags/fsx_xflags field
   * There should be a one-to-one correspondence between these flags and the
   * XFS_DIFLAG_s.
   */
  #define XFS_XFLAG_REALTIME	0x00000001	/* data in realtime volume */
  #define XFS_XFLAG_PREALLOC	0x00000002	/* preallocated file extents */
  #define XFS_XFLAG_IMMUTABLE	0x00000008	/* file cannot be modified */
  #define XFS_XFLAG_APPEND	0x00000010	/* all writes append */
  #define XFS_XFLAG_SYNC		0x00000020	/* all writes synchronous */
  #define XFS_XFLAG_NOATIME	0x00000040	/* do not update access time */
  #define XFS_XFLAG_NODUMP	0x00000080	/* do not include in backups */
  #define XFS_XFLAG_RTINHERIT	0x00000100	/* create with rt bit set */
  #define XFS_XFLAG_PROJINHERIT	0x00000200	/* create with parents projid */
  #define XFS_XFLAG_NOSYMLINKS	0x00000400	/* disallow symlink creation */
  #define XFS_XFLAG_EXTSIZE	0x00000800	/* extent size allocator hint */
  #define XFS_XFLAG_EXTSZINHERIT	0x00001000	/* inherit inode extent size */
  #define XFS_XFLAG_NODEFRAG	0x00002000  	/* do not defragment */
  #define XFS_XFLAG_FILESTREAM	0x00004000	/* use filestream allocator */
  #define XFS_XFLAG_HASATTR	0x80000000	/* no DIFLAG for this	*/
  
  /*
   * Structure for XFS_IOC_GETBMAP.
   * On input, fill in bmv_offset and bmv_length of the first structure
   * to indicate the area of interest in the file, and bmv_entries with
   * the number of array elements given back.  The first structure is
   * updated on return to give the offset and length for the next call.
   */
  #ifndef HAVE_GETBMAP
  struct getbmap {
  	__s64		bmv_offset;	/* file offset of segment in blocks */
  	__s64		bmv_block;	/* starting block (64-bit daddr_t)  */
  	__s64		bmv_length;	/* length of segment, blocks	    */
  	__s32		bmv_count;	/* # of entries in array incl. 1st  */
  	__s32		bmv_entries;	/* # of entries filled in (output)  */
  };
  #endif
  
  /*
   *	Structure for XFS_IOC_GETBMAPX.	 Fields bmv_offset through bmv_entries
   *	are used exactly as in the getbmap structure.  The getbmapx structure
   *	has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
   *	is only used for the first structure.  It contains input flags
   *	specifying XFS_IOC_GETBMAPX actions.  The bmv_oflags field is filled
   *	in by the XFS_IOC_GETBMAPX command for each returned structure after
   *	the first.
   */
  #ifndef HAVE_GETBMAPX
  struct getbmapx {
  	__s64		bmv_offset;	/* file offset of segment in blocks */
  	__s64		bmv_block;	/* starting block (64-bit daddr_t)  */
  	__s64		bmv_length;	/* length of segment, blocks	    */
  	__s32		bmv_count;	/* # of entries in array incl. 1st  */
  	__s32		bmv_entries;	/* # of entries filled in (output). */
  	__s32		bmv_iflags;	/* input flags (1st structure)	    */
  	__s32		bmv_oflags;	/* output flags (after 1st structure)*/
  	__s32		bmv_unused1;	/* future use			    */
  	__s32		bmv_unused2;	/* future use			    */
  };
  #endif
  
  /*	bmv_iflags values - set by XFS_IOC_GETBMAPX caller.	*/
  #define BMV_IF_ATTRFORK		0x1	/* return attr fork rather than data */
  #define BMV_IF_NO_DMAPI_READ	0x2	/* Do not generate DMAPI read event  */
  #define BMV_IF_PREALLOC		0x4	/* rtn status BMV_OF_PREALLOC if req */
  #define BMV_IF_DELALLOC		0x8	/* rtn status BMV_OF_DELALLOC if req */
  #define BMV_IF_NO_HOLES		0x10	/* Do not return holes */
  #define BMV_IF_VALID	\
  	(BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC|	\
  	 BMV_IF_DELALLOC|BMV_IF_NO_HOLES)
  
  /*	bmv_oflags values - returned for each non-header segment */
  #define BMV_OF_PREALLOC		0x1	/* segment = unwritten pre-allocation */
  #define BMV_OF_DELALLOC		0x2	/* segment = delayed allocation */
  #define BMV_OF_LAST		0x4	/* segment is the last in the file */
  
  /*
   * Structure for XFS_IOC_FSSETDM.
   * For use by backup and restore programs to set the XFS on-disk inode
   * fields di_dmevmask and di_dmstate.  These must be set to exactly and
   * only values previously obtained via xfs_bulkstat!  (Specifically the
   * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
   */
  #ifndef HAVE_FSDMIDATA
  struct fsdmidata {
  	__u32		fsd_dmevmask;	/* corresponds to di_dmevmask */
  	__u16		fsd_padding;
  	__u16		fsd_dmstate;	/* corresponds to di_dmstate  */
  };
  #endif
  
  /*
   * File segment locking set data type for 64 bit access.
   * Also used for all the RESV/FREE interfaces.
   */
  typedef struct xfs_flock64 {
  	__s16		l_type;
  	__s16		l_whence;
  	__s64		l_start;
  	__s64		l_len;		/* len == 0 means until end of file */
  	__s32		l_sysid;
  	__u32		l_pid;
  	__s32		l_pad[4];	/* reserve area			    */
  } xfs_flock64_t;
  
  /*
   * Output for XFS_IOC_FSGEOMETRY_V1
   */
  typedef struct xfs_fsop_geom_v1 {
  	__u32		blocksize;	/* filesystem (data) block size */
  	__u32		rtextsize;	/* realtime extent size		*/
  	__u32		agblocks;	/* fsblocks in an AG		*/
  	__u32		agcount;	/* number of allocation groups	*/
  	__u32		logblocks;	/* fsblocks in the log		*/
  	__u32		sectsize;	/* (data) sector size, bytes	*/
  	__u32		inodesize;	/* inode size in bytes		*/
  	__u32		imaxpct;	/* max allowed inode space(%)	*/
  	__u64		datablocks;	/* fsblocks in data subvolume	*/
  	__u64		rtblocks;	/* fsblocks in realtime subvol	*/
  	__u64		rtextents;	/* rt extents in realtime subvol*/
  	__u64		logstart;	/* starting fsblock of the log	*/
  	unsigned char	uuid[16];	/* unique id of the filesystem	*/
  	__u32		sunit;		/* stripe unit, fsblocks	*/
  	__u32		swidth;		/* stripe width, fsblocks	*/
  	__s32		version;	/* structure version		*/
  	__u32		flags;		/* superblock version flags	*/
  	__u32		logsectsize;	/* log sector size, bytes	*/
  	__u32		rtsectsize;	/* realtime sector size, bytes	*/
  	__u32		dirblocksize;	/* directory block size, bytes	*/
  } xfs_fsop_geom_v1_t;
  
  /*
   * Output for XFS_IOC_FSGEOMETRY
   */
  typedef struct xfs_fsop_geom {
  	__u32		blocksize;	/* filesystem (data) block size */
  	__u32		rtextsize;	/* realtime extent size		*/
  	__u32		agblocks;	/* fsblocks in an AG		*/
  	__u32		agcount;	/* number of allocation groups	*/
  	__u32		logblocks;	/* fsblocks in the log		*/
  	__u32		sectsize;	/* (data) sector size, bytes	*/
  	__u32		inodesize;	/* inode size in bytes		*/
  	__u32		imaxpct;	/* max allowed inode space(%)	*/
  	__u64		datablocks;	/* fsblocks in data subvolume	*/
  	__u64		rtblocks;	/* fsblocks in realtime subvol	*/
  	__u64		rtextents;	/* rt extents in realtime subvol*/
  	__u64		logstart;	/* starting fsblock of the log	*/
  	unsigned char	uuid[16];	/* unique id of the filesystem	*/
  	__u32		sunit;		/* stripe unit, fsblocks	*/
  	__u32		swidth;		/* stripe width, fsblocks	*/
  	__s32		version;	/* structure version		*/
  	__u32		flags;		/* superblock version flags	*/
  	__u32		logsectsize;	/* log sector size, bytes	*/
  	__u32		rtsectsize;	/* realtime sector size, bytes	*/
  	__u32		dirblocksize;	/* directory block size, bytes	*/
  	__u32		logsunit;	/* log stripe unit, bytes */
  } xfs_fsop_geom_t;
  
  /* Output for XFS_FS_COUNTS */
  typedef struct xfs_fsop_counts {
  	__u64	freedata;	/* free data section blocks */
  	__u64	freertx;	/* free rt extents */
  	__u64	freeino;	/* free inodes */
  	__u64	allocino;	/* total allocated inodes */
  } xfs_fsop_counts_t;
  
  /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
  typedef struct xfs_fsop_resblks {
  	__u64  resblks;
  	__u64  resblks_avail;
  } xfs_fsop_resblks_t;
  
  #define XFS_FSOP_GEOM_VERSION	0
  
  #define XFS_FSOP_GEOM_FLAGS_ATTR	0x0001	/* attributes in use	*/
  #define XFS_FSOP_GEOM_FLAGS_NLINK	0x0002	/* 32-bit nlink values	*/
  #define XFS_FSOP_GEOM_FLAGS_QUOTA	0x0004	/* quotas enabled	*/
  #define XFS_FSOP_GEOM_FLAGS_IALIGN	0x0008	/* inode alignment	*/
  #define XFS_FSOP_GEOM_FLAGS_DALIGN	0x0010	/* large data alignment */
  #define XFS_FSOP_GEOM_FLAGS_SHARED	0x0020	/* read-only shared	*/
  #define XFS_FSOP_GEOM_FLAGS_EXTFLG	0x0040	/* special extent flag	*/
  #define XFS_FSOP_GEOM_FLAGS_DIRV2	0x0080	/* directory version 2	*/
  #define XFS_FSOP_GEOM_FLAGS_LOGV2	0x0100	/* log format version 2	*/
  #define XFS_FSOP_GEOM_FLAGS_SECTOR	0x0200	/* sector sizes >1BB	*/
  #define XFS_FSOP_GEOM_FLAGS_ATTR2	0x0400	/* inline attributes rework */
  #define XFS_FSOP_GEOM_FLAGS_PROJID32	0x0800	/* 32-bit project IDs	*/
  #define XFS_FSOP_GEOM_FLAGS_DIRV2CI	0x1000	/* ASCII only CI names	*/
  #define XFS_FSOP_GEOM_FLAGS_LAZYSB	0x4000	/* lazy superblock counters */
  #define XFS_FSOP_GEOM_FLAGS_V5SB	0x8000	/* version 5 superblock */
  #define XFS_FSOP_GEOM_FLAGS_FTYPE	0x10000	/* inode directory types */
  
  /*
   * Minimum and maximum sizes need for growth checks.
   *
   * Block counts are in units of filesystem blocks, not basic blocks.
   */
  #define XFS_MIN_AG_BLOCKS	64
  #define XFS_MIN_LOG_BLOCKS	512ULL
  #define XFS_MAX_LOG_BLOCKS	(1024 * 1024ULL)
  #define XFS_MIN_LOG_BYTES	(10 * 1024 * 1024ULL)
  
  /* keep the maximum size under 2^31 by a small amount */
  #define XFS_MAX_LOG_BYTES \
  	((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
  
  /* Used for sanity checks on superblock */
  #define XFS_MAX_DBLOCKS(s) ((xfs_drfsbno_t)(s)->sb_agcount * (s)->sb_agblocks)
  #define XFS_MIN_DBLOCKS(s) ((xfs_drfsbno_t)((s)->sb_agcount - 1) *	\
  			 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
  
  /*
   * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
   */
  typedef struct xfs_growfs_data {
  	__u64		newblocks;	/* new data subvol size, fsblocks */
  	__u32		imaxpct;	/* new inode space percentage limit */
  } xfs_growfs_data_t;
  
  typedef struct xfs_growfs_log {
  	__u32		newblocks;	/* new log size, fsblocks */
  	__u32		isint;		/* 1 if new log is internal */
  } xfs_growfs_log_t;
  
  typedef struct xfs_growfs_rt {
  	__u64		newblocks;	/* new realtime size, fsblocks */
  	__u32		extsize;	/* new realtime extent size, fsblocks */
  } xfs_growfs_rt_t;
  
  
  /*
   * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
   */
  typedef struct xfs_bstime {
  	time_t		tv_sec;		/* seconds		*/
  	__s32		tv_nsec;	/* and nanoseconds	*/
  } xfs_bstime_t;
  
  typedef struct xfs_bstat {
  	__u64		bs_ino;		/* inode number			*/
  	__u16		bs_mode;	/* type and mode		*/
  	__u16		bs_nlink;	/* number of links		*/
  	__u32		bs_uid;		/* user id			*/
  	__u32		bs_gid;		/* group id			*/
  	__u32		bs_rdev;	/* device value			*/
  	__s32		bs_blksize;	/* block size			*/
  	__s64		bs_size;	/* file size			*/
  	xfs_bstime_t	bs_atime;	/* access time			*/
  	xfs_bstime_t	bs_mtime;	/* modify time			*/
  	xfs_bstime_t	bs_ctime;	/* inode change time		*/
  	int64_t		bs_blocks;	/* number of blocks		*/
  	__u32		bs_xflags;	/* extended flags		*/
  	__s32		bs_extsize;	/* extent size			*/
  	__s32		bs_extents;	/* number of extents		*/
  	__u32		bs_gen;		/* generation count		*/
  	__u16		bs_projid_lo;	/* lower part of project id	*/
  #define	bs_projid	bs_projid_lo	/* (previously just bs_projid)	*/
  	__u16		bs_forkoff;	/* inode fork offset in bytes	*/
  	__u16		bs_projid_hi;	/* higher part of project id	*/
  	unsigned char	bs_pad[10];	/* pad space, unused		*/
  	__u32		bs_dmevmask;	/* DMIG event mask		*/
  	__u16		bs_dmstate;	/* DMIG state info		*/
  	__u16		bs_aextents;	/* attribute number of extents	*/
  } xfs_bstat_t;
  
  /*
   * Project quota id helpers (previously projid was 16bit only
   * and using two 16bit values to hold new 32bit projid was choosen
   * to retain compatibility with "old" filesystems).
   */
  static inline __uint32_t
  bstat_get_projid(struct xfs_bstat *bs)
  {
  	return (__uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
  }
  
  /*
   * The user-level BulkStat Request interface structure.
   */
  typedef struct xfs_fsop_bulkreq {
  	__u64		__user *lastip;	/* last inode # pointer		*/
  	__s32		icount;		/* count of entries in buffer	*/
  	void		__user *ubuffer;/* user buffer for inode desc.	*/
  	__s32		__user *ocount;	/* output count pointer		*/
  } xfs_fsop_bulkreq_t;
  
  
  /*
   * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
   */
  typedef struct xfs_inogrp {
  	__u64		xi_startino;	/* starting inode number	*/
  	__s32		xi_alloccount;	/* # bits set in allocmask	*/
  	__u64		xi_allocmask;	/* mask of allocated inodes	*/
  } xfs_inogrp_t;
  
  
  /*
   * Error injection.
   */
  typedef struct xfs_error_injection {
  	__s32		fd;
  	__s32		errtag;
  } xfs_error_injection_t;
  
  
  /*
   * Speculative preallocation trimming.
   */
  #define XFS_EOFBLOCKS_VERSION		1
  struct xfs_fs_eofblocks {
  	__u32		eof_version;
  	__u32		eof_flags;
  	uid_t		eof_uid;
  	gid_t		eof_gid;
  	prid_t		eof_prid;
  	__u32		pad32;
  	__u64		eof_min_file_size;
  	__u64		pad64[12];
  };
  
  /* eof_flags values */
  #define XFS_EOF_FLAGS_SYNC		(1 << 0) /* sync/wait mode scan */
  #define XFS_EOF_FLAGS_UID		(1 << 1) /* filter by uid */
  #define XFS_EOF_FLAGS_GID		(1 << 2) /* filter by gid */
  #define XFS_EOF_FLAGS_PRID		(1 << 3) /* filter by project id */
  #define XFS_EOF_FLAGS_MINFILESIZE	(1 << 4) /* filter by min file size */
  #define XFS_EOF_FLAGS_VALID	\
  	(XFS_EOF_FLAGS_SYNC |	\
  	 XFS_EOF_FLAGS_UID |	\
  	 XFS_EOF_FLAGS_GID |	\
  	 XFS_EOF_FLAGS_PRID |	\
  	 XFS_EOF_FLAGS_MINFILESIZE)
  
  
  /*
   * The user-level Handle Request interface structure.
   */
  typedef struct xfs_fsop_handlereq {
  	__u32		fd;		/* fd for FD_TO_HANDLE		*/
  	void		__user *path;	/* user pathname		*/
  	__u32		oflags;		/* open flags			*/
  	void		__user *ihandle;/* user supplied handle		*/
  	__u32		ihandlen;	/* user supplied length		*/
  	void		__user *ohandle;/* user buffer for handle	*/
  	__u32		__user *ohandlen;/* user buffer length		*/
  } xfs_fsop_handlereq_t;
  
  /*
   * Compound structures for passing args through Handle Request interfaces
   * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
   * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
   *	     XFS_IOC_ATTRMULTI_BY_HANDLE
   */
  
  typedef struct xfs_fsop_setdm_handlereq {
  	struct xfs_fsop_handlereq	hreq;	/* handle information	*/
  	struct fsdmidata		__user *data;	/* DMAPI data	*/
  } xfs_fsop_setdm_handlereq_t;
  
  typedef struct xfs_attrlist_cursor {
  	__u32		opaque[4];
  } xfs_attrlist_cursor_t;
  
  typedef struct xfs_fsop_attrlist_handlereq {
  	struct xfs_fsop_handlereq	hreq; /* handle interface structure */
  	struct xfs_attrlist_cursor	pos; /* opaque cookie, list offset */
  	__u32				flags;	/* which namespace to use */
  	__u32				buflen;	/* length of buffer supplied */
  	void				__user *buffer;	/* returned names */
  } xfs_fsop_attrlist_handlereq_t;
  
  typedef struct xfs_attr_multiop {
  	__u32		am_opcode;
  #define ATTR_OP_GET	1	/* return the indicated attr's value */
  #define ATTR_OP_SET	2	/* set/create the indicated attr/value pair */
  #define ATTR_OP_REMOVE	3	/* remove the indicated attr */
  	__s32		am_error;
  	void		__user *am_attrname;
  	void		__user *am_attrvalue;
  	__u32		am_length;
  	__u32		am_flags;
  } xfs_attr_multiop_t;
  
  typedef struct xfs_fsop_attrmulti_handlereq {
  	struct xfs_fsop_handlereq	hreq; /* handle interface structure */
  	__u32				opcount;/* count of following multiop */
  	struct xfs_attr_multiop		__user *ops; /* attr_multi data */
  } xfs_fsop_attrmulti_handlereq_t;
  
  /*
   * per machine unique filesystem identifier types.
   */
  typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
  
  typedef struct xfs_fid {
  	__u16	fid_len;		/* length of remainder	*/
  	__u16	fid_pad;
  	__u32	fid_gen;		/* generation number	*/
  	__u64	fid_ino;		/* 64 bits inode number */
  } xfs_fid_t;
  
  typedef struct xfs_handle {
  	union {
  		__s64	    align;	/* force alignment of ha_fid	 */
  		xfs_fsid_t  _ha_fsid;	/* unique file system identifier */
  	} ha_u;
  	xfs_fid_t	ha_fid;		/* file system specific file ID	 */
  } xfs_handle_t;
  #define ha_fsid ha_u._ha_fsid
  
  #define XFS_HSIZE(handle)	(((char *) &(handle).ha_fid.fid_pad	 \
  				 - (char *) &(handle))			  \
  				 + (handle).ha_fid.fid_len)
  
  /*
   * Structure passed to XFS_IOC_SWAPEXT
   */
  typedef struct xfs_swapext
  {
  	__int64_t	sx_version;	/* version */
  #define XFS_SX_VERSION		0
  	__int64_t	sx_fdtarget;	/* fd of target file */
  	__int64_t	sx_fdtmp;	/* fd of tmp file */
  	xfs_off_t	sx_offset;	/* offset into file */
  	xfs_off_t	sx_length;	/* leng from offset */
  	char		sx_pad[16];	/* pad space, unused */
  	xfs_bstat_t	sx_stat;	/* stat of target b4 copy */
  } xfs_swapext_t;
  
  /*
   * Flags for going down operation
   */
  #define XFS_FSOP_GOING_FLAGS_DEFAULT		0x0	/* going down */
  #define XFS_FSOP_GOING_FLAGS_LOGFLUSH		0x1	/* flush log but not data */
  #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH		0x2	/* don't flush log nor data */
  
  /*
   * ioctl commands that are used by Linux filesystems
   */
  #define XFS_IOC_GETXFLAGS	FS_IOC_GETFLAGS
  #define XFS_IOC_SETXFLAGS	FS_IOC_SETFLAGS
  #define XFS_IOC_GETVERSION	FS_IOC_GETVERSION
  
  /*
   * ioctl commands that replace IRIX fcntl()'s
   * For 'documentation' purposed more than anything else,
   * the "cmd #" field reflects the IRIX fcntl number.
   */
  #define XFS_IOC_ALLOCSP		_IOW ('X', 10, struct xfs_flock64)
  #define XFS_IOC_FREESP		_IOW ('X', 11, struct xfs_flock64)
  #define XFS_IOC_DIOINFO		_IOR ('X', 30, struct dioattr)
  #define XFS_IOC_FSGETXATTR	_IOR ('X', 31, struct fsxattr)
  #define XFS_IOC_FSSETXATTR	_IOW ('X', 32, struct fsxattr)
  #define XFS_IOC_ALLOCSP64	_IOW ('X', 36, struct xfs_flock64)
  #define XFS_IOC_FREESP64	_IOW ('X', 37, struct xfs_flock64)
  #define XFS_IOC_GETBMAP		_IOWR('X', 38, struct getbmap)
  #define XFS_IOC_FSSETDM		_IOW ('X', 39, struct fsdmidata)
  #define XFS_IOC_RESVSP		_IOW ('X', 40, struct xfs_flock64)
  #define XFS_IOC_UNRESVSP	_IOW ('X', 41, struct xfs_flock64)
  #define XFS_IOC_RESVSP64	_IOW ('X', 42, struct xfs_flock64)
  #define XFS_IOC_UNRESVSP64	_IOW ('X', 43, struct xfs_flock64)
  #define XFS_IOC_GETBMAPA	_IOWR('X', 44, struct getbmap)
  #define XFS_IOC_FSGETXATTRA	_IOR ('X', 45, struct fsxattr)
  /*	XFS_IOC_SETBIOSIZE ---- deprecated 46	   */
  /*	XFS_IOC_GETBIOSIZE ---- deprecated 47	   */
  #define XFS_IOC_GETBMAPX	_IOWR('X', 56, struct getbmap)
  #define XFS_IOC_ZERO_RANGE	_IOW ('X', 57, struct xfs_flock64)
  #define XFS_IOC_FREE_EOFBLOCKS	_IOR ('X', 58, struct xfs_fs_eofblocks)
  
  /*
   * ioctl commands that replace IRIX syssgi()'s
   */
  #define XFS_IOC_FSGEOMETRY_V1	     _IOR ('X', 100, struct xfs_fsop_geom_v1)
  #define XFS_IOC_FSBULKSTAT	     _IOWR('X', 101, struct xfs_fsop_bulkreq)
  #define XFS_IOC_FSBULKSTAT_SINGLE    _IOWR('X', 102, struct xfs_fsop_bulkreq)
  #define XFS_IOC_FSINUMBERS	     _IOWR('X', 103, struct xfs_fsop_bulkreq)
  #define XFS_IOC_PATH_TO_FSHANDLE     _IOWR('X', 104, struct xfs_fsop_handlereq)
  #define XFS_IOC_PATH_TO_HANDLE	     _IOWR('X', 105, struct xfs_fsop_handlereq)
  #define XFS_IOC_FD_TO_HANDLE	     _IOWR('X', 106, struct xfs_fsop_handlereq)
  #define XFS_IOC_OPEN_BY_HANDLE	     _IOWR('X', 107, struct xfs_fsop_handlereq)
  #define XFS_IOC_READLINK_BY_HANDLE   _IOWR('X', 108, struct xfs_fsop_handlereq)
  #define XFS_IOC_SWAPEXT		     _IOWR('X', 109, struct xfs_swapext)
  #define XFS_IOC_FSGROWFSDATA	     _IOW ('X', 110, struct xfs_growfs_data)
  #define XFS_IOC_FSGROWFSLOG	     _IOW ('X', 111, struct xfs_growfs_log)
  #define XFS_IOC_FSGROWFSRT	     _IOW ('X', 112, struct xfs_growfs_rt)
  #define XFS_IOC_FSCOUNTS	     _IOR ('X', 113, struct xfs_fsop_counts)
  #define XFS_IOC_SET_RESBLKS	     _IOWR('X', 114, struct xfs_fsop_resblks)
  #define XFS_IOC_GET_RESBLKS	     _IOR ('X', 115, struct xfs_fsop_resblks)
  #define XFS_IOC_ERROR_INJECTION	     _IOW ('X', 116, struct xfs_error_injection)
  #define XFS_IOC_ERROR_CLEARALL	     _IOW ('X', 117, struct xfs_error_injection)
  /*	XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118	 */
  
  /*	XFS_IOC_FREEZE		  -- FIFREEZE   119	 */
  /*	XFS_IOC_THAW		  -- FITHAW     120	 */
  #ifndef FIFREEZE
  #define XFS_IOC_FREEZE		     _IOWR('X', 119, int)
  #define XFS_IOC_THAW		     _IOWR('X', 120, int)
  #endif
  
  #define XFS_IOC_FSSETDM_BY_HANDLE    _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
  #define XFS_IOC_ATTRLIST_BY_HANDLE   _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
  #define XFS_IOC_ATTRMULTI_BY_HANDLE  _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
  #define XFS_IOC_FSGEOMETRY	     _IOR ('X', 124, struct xfs_fsop_geom)
  #define XFS_IOC_GOINGDOWN	     _IOR ('X', 125, __uint32_t)
  /*	XFS_IOC_GETFSUUID ---------- deprecated 140	 */
  
  
  #ifndef HAVE_BBMACROS
  /*
   * Block I/O parameterization.	A basic block (BB) is the lowest size of
   * filesystem allocation, and must equal 512.  Length units given to bio
   * routines are in BB's.
   */
  #define BBSHIFT		9
  #define BBSIZE		(1<<BBSHIFT)
  #define BBMASK		(BBSIZE-1)
  #define BTOBB(bytes)	(((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
  #define BTOBBT(bytes)	((__u64)(bytes) >> BBSHIFT)
  #define BBTOB(bbs)	((bbs) << BBSHIFT)
  #endif
  
  #endif	/* __XFS_FS_H__ */