summaryrefslogtreecommitdiffstats
path: root/kernel/fs/xfs/libxfs/xfs_fs.h
diff options
context:
space:
mode:
authorYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 12:17:53 -0700
committerYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 15:44:42 -0700
commit9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch)
tree1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/fs/xfs/libxfs/xfs_fs.h
parent98260f3884f4a202f9ca5eabed40b1354c489b29 (diff)
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/fs/xfs/libxfs/xfs_fs.h')
-rw-r--r--kernel/fs/xfs/libxfs/xfs_fs.h576
1 files changed, 576 insertions, 0 deletions
diff --git a/kernel/fs/xfs/libxfs/xfs_fs.h b/kernel/fs/xfs/libxfs/xfs_fs.h
new file mode 100644
index 000000000..18dc721ca
--- /dev/null
+++ b/kernel/fs/xfs/libxfs/xfs_fs.h
@@ -0,0 +1,576 @@
+/*
+ * 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 */
+#define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */
+
+/*
+ * 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_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
+#define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_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_UNION (1 << 5) /* union filter algorithm;
+ * kernel only, not included in
+ * valid mask */
+#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__ */