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+/*
+ * Copyright (c) 1995-2003 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 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.
+ *
+ * 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 Lesser 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_FS_H__
+#define __XFS_FS_H__
+
+/*
+ * SGI's XFS filesystem's major stuff (constants, structures)
+ */
+
+#define XFS_NAME "xfs"
+
+/*
+ * 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) */
+ unsigned char fsx_pad[16];
+};
+#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_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_entry with the
+ * number of array elements given. 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_VALID (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC)
+#ifdef __KERNEL__
+#define BMV_IF_EXTENDED 0x40000000 /* getpmapx if set */
+#endif
+
+/* bmv_oflags values - returned for for each non-header segment */
+#define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
+
+/* Convert getbmap <-> getbmapx - move fields from p1 to p2. */
+#define GETBMAP_CONVERT(p1,p2) { \
+ p2.bmv_offset = p1.bmv_offset; \
+ p2.bmv_block = p1.bmv_block; \
+ p2.bmv_length = p1.bmv_length; \
+ p2.bmv_count = p1.bmv_count; \
+ p2.bmv_entries = p1.bmv_entries; }
+
+
+/*
+ * 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 */
+
+
+/*
+ * Minimum and maximum sizes need for growth checks
+ */
+#define XFS_MIN_AG_BLOCKS 64
+#define XFS_MIN_LOG_BLOCKS 512
+#define XFS_MAX_LOG_BLOCKS (64 * 1024)
+#define XFS_MIN_LOG_BYTES (256 * 1024)
+#define XFS_MAX_LOG_BYTES (128 * 1024 * 1024)
+
+/*
+ * 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; /* project id */
+ unsigned char bs_pad[14]; /* 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;
+
+/*
+ * 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;
+
+
+/*
+ * 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;
+ __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 */
+
+
+#ifndef HAVE_FID
+#define MAXFIDSZ 46
+
+typedef struct fid {
+ __u16 fid_len; /* length of data in bytes */
+ unsigned char fid_data[MAXFIDSZ]; /* data (fid_len worth) */
+} fid_t;
+#endif
+
+typedef struct xfs_fid {
+ __u16 xfs_fid_len; /* length of remainder */
+ __u16 xfs_fid_pad;
+ __u32 xfs_fid_gen; /* generation number */
+ __u64 xfs_fid_ino; /* 64 bits inode number */
+} xfs_fid_t;
+
+typedef struct xfs_fid2 {
+ __u16 fid_len; /* length of remainder */
+ __u16 fid_pad; /* padding, must be zero */
+ __u32 fid_gen; /* generation number */
+ __u64 fid_ino; /* inode number */
+} xfs_fid2_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.xfs_fid_pad \
+ - (char *) &(handle)) \
+ + (handle).ha_fid.xfs_fid_len)
+
+#define XFS_HANDLE_CMP(h1, h2) memcmp(h1, h2, sizeof(xfs_handle_t))
+
+#define FSHSIZE sizeof(fsid_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 _IOR('f', 1, long)
+#define XFS_IOC_SETXFLAGS _IOW('f', 2, long)
+#define XFS_IOC_GETVERSION _IOR('v', 1, long)
+
+/*
+ * 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)
+
+/*
+ * 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 */
+#define XFS_IOC_FREEZE _IOWR('X', 119, int)
+#define XFS_IOC_THAW _IOWR('X', 120, int)
+#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__ */