LXR linux/fs/xfs/libxfs/xfs

   1/*
   2 * Copyright (c) 1995-2005 Silicon Graphics, Inc.
   3 * All Rights Reserved.
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of the GNU Lesser General Public License
   7 * as published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope that it would be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU Lesser General Public License for more details.
  13 *
  14 * You should have received a copy of the GNU Lesser General Public License
  15 * along with this program; if not, write the Free Software Foundation,
  16 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17 */
  18#ifndef __XFS_FS_H__
  19#define __XFS_FS_H__
  20
  21/*
  22 * SGI's XFS filesystem's major stuff (constants, structures)
  23 */
  24
  25/*
  26 * Direct I/O attribute record used with XFS_IOC_DIOINFO
  27 * d_miniosz is the min xfer size, xfer size multiple and file seek offset
  28 * alignment.
  29 */
  30#ifndef HAVE_DIOATTR
  31struct dioattr {
  32        __u32           d_mem;          /* data buffer memory alignment */
  33        __u32           d_miniosz;      /* min xfer size                */
  34        __u32           d_maxiosz;      /* max xfer size                */
  35};
  36#endif
  37
  38/*
  39 * Structure for XFS_IOC_GETBMAP.
  40 * On input, fill in bmv_offset and bmv_length of the first structure
  41 * to indicate the area of interest in the file, and bmv_entries with
  42 * the number of array elements given back.  The first structure is
  43 * updated on return to give the offset and length for the next call.
  44 */
  45#ifndef HAVE_GETBMAP
  46struct getbmap {
  47        __s64           bmv_offset;     /* file offset of segment in blocks */
  48        __s64           bmv_block;      /* starting block (64-bit daddr_t)  */
  49        __s64           bmv_length;     /* length of segment, blocks        */
  50        __s32           bmv_count;      /* # of entries in array incl. 1st  */
  51        __s32           bmv_entries;    /* # of entries filled in (output)  */
  52};
  53#endif
  54
  55/*
  56 *      Structure for XFS_IOC_GETBMAPX.  Fields bmv_offset through bmv_entries
  57 *      are used exactly as in the getbmap structure.  The getbmapx structure
  58 *      has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
  59 *      is only used for the first structure.  It contains input flags
  60 *      specifying XFS_IOC_GETBMAPX actions.  The bmv_oflags field is filled
  61 *      in by the XFS_IOC_GETBMAPX command for each returned structure after
  62 *      the first.
  63 */
  64#ifndef HAVE_GETBMAPX
  65struct getbmapx {
  66        __s64           bmv_offset;     /* file offset of segment in blocks */
  67        __s64           bmv_block;      /* starting block (64-bit daddr_t)  */
  68        __s64           bmv_length;     /* length of segment, blocks        */
  69        __s32           bmv_count;      /* # of entries in array incl. 1st  */
  70        __s32           bmv_entries;    /* # of entries filled in (output). */
  71        __s32           bmv_iflags;     /* input flags (1st structure)      */
  72        __s32           bmv_oflags;     /* output flags (after 1st structure)*/
  73        __s32           bmv_unused1;    /* future use                       */
  74        __s32           bmv_unused2;    /* future use                       */
  75};
  76#endif
  77
  78/*      bmv_iflags values - set by XFS_IOC_GETBMAPX caller.     */
  79#define BMV_IF_ATTRFORK         0x1     /* return attr fork rather than data */
  80#define BMV_IF_NO_DMAPI_READ    0x2     /* Do not generate DMAPI read event  */
  81#define BMV_IF_PREALLOC         0x4     /* rtn status BMV_OF_PREALLOC if req */
  82#define BMV_IF_DELALLOC         0x8     /* rtn status BMV_OF_DELALLOC if req */
  83#define BMV_IF_NO_HOLES         0x10    /* Do not return holes */
  84#define BMV_IF_VALID    \
  85        (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC|  \
  86         BMV_IF_DELALLOC|BMV_IF_NO_HOLES)
  87
  88/*      bmv_oflags values - returned for each non-header segment */
  89#define BMV_OF_PREALLOC         0x1     /* segment = unwritten pre-allocation */
  90#define BMV_OF_DELALLOC         0x2     /* segment = delayed allocation */
  91#define BMV_OF_LAST             0x4     /* segment is the last in the file */
  92
  93/*
  94 * Structure for XFS_IOC_FSSETDM.
  95 * For use by backup and restore programs to set the XFS on-disk inode
  96 * fields di_dmevmask and di_dmstate.  These must be set to exactly and
  97 * only values previously obtained via xfs_bulkstat!  (Specifically the
  98 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
  99 */
 100#ifndef HAVE_FSDMIDATA
 101struct fsdmidata {
 102        __u32           fsd_dmevmask;   /* corresponds to di_dmevmask */
 103        __u16           fsd_padding;
 104        __u16           fsd_dmstate;    /* corresponds to di_dmstate  */
 105};
 106#endif
 107
 108/*
 109 * File segment locking set data type for 64 bit access.
 110 * Also used for all the RESV/FREE interfaces.
 111 */
 112typedef struct xfs_flock64 {
 113        __s16           l_type;
 114        __s16           l_whence;
 115        __s64           l_start;
 116        __s64           l_len;          /* len == 0 means until end of file */
 117        __s32           l_sysid;
 118        __u32           l_pid;
 119        __s32           l_pad[4];       /* reserve area                     */
 120} xfs_flock64_t;
 121
 122/*
 123 * Output for XFS_IOC_FSGEOMETRY_V1
 124 */
 125typedef struct xfs_fsop_geom_v1 {
 126        __u32           blocksize;      /* filesystem (data) block size */
 127        __u32           rtextsize;      /* realtime extent size         */
 128        __u32           agblocks;       /* fsblocks in an AG            */
 129        __u32           agcount;        /* number of allocation groups  */
 130        __u32           logblocks;      /* fsblocks in the log          */
 131        __u32           sectsize;       /* (data) sector size, bytes    */
 132        __u32           inodesize;      /* inode size in bytes          */
 133        __u32           imaxpct;        /* max allowed inode space(%)   */
 134        __u64           datablocks;     /* fsblocks in data subvolume   */
 135        __u64           rtblocks;       /* fsblocks in realtime subvol  */
 136        __u64           rtextents;      /* rt extents in realtime subvol*/
 137        __u64           logstart;       /* starting fsblock of the log  */
 138        unsigned char   uuid[16];       /* unique id of the filesystem  */
 139        __u32           sunit;          /* stripe unit, fsblocks        */
 140        __u32           swidth;         /* stripe width, fsblocks       */
 141        __s32           version;        /* structure version            */
 142        __u32           flags;          /* superblock version flags     */
 143        __u32           logsectsize;    /* log sector size, bytes       */
 144        __u32           rtsectsize;     /* realtime sector size, bytes  */
 145        __u32           dirblocksize;   /* directory block size, bytes  */
 146} xfs_fsop_geom_v1_t;
 147
 148/*
 149 * Output for XFS_IOC_FSGEOMETRY
 150 */
 151typedef struct xfs_fsop_geom {
 152        __u32           blocksize;      /* filesystem (data) block size */
 153        __u32           rtextsize;      /* realtime extent size         */
 154        __u32           agblocks;       /* fsblocks in an AG            */
 155        __u32           agcount;        /* number of allocation groups  */
 156        __u32           logblocks;      /* fsblocks in the log          */
 157        __u32           sectsize;       /* (data) sector size, bytes    */
 158        __u32           inodesize;      /* inode size in bytes          */
 159        __u32           imaxpct;        /* max allowed inode space(%)   */
 160        __u64           datablocks;     /* fsblocks in data subvolume   */
 161        __u64           rtblocks;       /* fsblocks in realtime subvol  */
 162        __u64           rtextents;      /* rt extents in realtime subvol*/
 163        __u64           logstart;       /* starting fsblock of the log  */
 164        unsigned char   uuid[16];       /* unique id of the filesystem  */
 165        __u32           sunit;          /* stripe unit, fsblocks        */
 166        __u32           swidth;         /* stripe width, fsblocks       */
 167        __s32           version;        /* structure version            */
 168        __u32           flags;          /* superblock version flags     */
 169        __u32           logsectsize;    /* log sector size, bytes       */
 170        __u32           rtsectsize;     /* realtime sector size, bytes  */
 171        __u32           dirblocksize;   /* directory block size, bytes  */
 172        __u32           logsunit;       /* log stripe unit, bytes */
 173} xfs_fsop_geom_t;
 174
 175/* Output for XFS_FS_COUNTS */
 176typedef struct xfs_fsop_counts {
 177        __u64   freedata;       /* free data section blocks */
 178        __u64   freertx;        /* free rt extents */
 179        __u64   freeino;        /* free inodes */
 180        __u64   allocino;       /* total allocated inodes */
 181} xfs_fsop_counts_t;
 182
 183/* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
 184typedef struct xfs_fsop_resblks {
 185        __u64  resblks;
 186        __u64  resblks_avail;
 187} xfs_fsop_resblks_t;
 188
 189#define XFS_FSOP_GEOM_VERSION   0
 190
 191#define XFS_FSOP_GEOM_FLAGS_ATTR        0x0001  /* attributes in use    */
 192#define XFS_FSOP_GEOM_FLAGS_NLINK       0x0002  /* 32-bit nlink values  */
 193#define XFS_FSOP_GEOM_FLAGS_QUOTA       0x0004  /* quotas enabled       */
 194#define XFS_FSOP_GEOM_FLAGS_IALIGN      0x0008  /* inode alignment      */
 195#define XFS_FSOP_GEOM_FLAGS_DALIGN      0x0010  /* large data alignment */
 196#define XFS_FSOP_GEOM_FLAGS_SHARED      0x0020  /* read-only shared     */
 197#define XFS_FSOP_GEOM_FLAGS_EXTFLG      0x0040  /* special extent flag  */
 198#define XFS_FSOP_GEOM_FLAGS_DIRV2       0x0080  /* directory version 2  */
 199#define XFS_FSOP_GEOM_FLAGS_LOGV2       0x0100  /* log format version 2 */
 200#define XFS_FSOP_GEOM_FLAGS_SECTOR      0x0200  /* sector sizes >1BB    */
 201#define XFS_FSOP_GEOM_FLAGS_ATTR2       0x0400  /* inline attributes rework */
 202#define XFS_FSOP_GEOM_FLAGS_PROJID32    0x0800  /* 32-bit project IDs   */
 203#define XFS_FSOP_GEOM_FLAGS_DIRV2CI     0x1000  /* ASCII only CI names  */
 204#define XFS_FSOP_GEOM_FLAGS_LAZYSB      0x4000  /* lazy superblock counters */
 205#define XFS_FSOP_GEOM_FLAGS_V5SB        0x8000  /* version 5 superblock */
 206#define XFS_FSOP_GEOM_FLAGS_FTYPE       0x10000 /* inode directory types */
 207#define XFS_FSOP_GEOM_FLAGS_FINOBT      0x20000 /* free inode btree */
 208#define XFS_FSOP_GEOM_FLAGS_SPINODES    0x40000 /* sparse inode chunks  */
 209
 210/*
 211 * Minimum and maximum sizes need for growth checks.
 212 *
 213 * Block counts are in units of filesystem blocks, not basic blocks.
 214 */
 215#define XFS_MIN_AG_BLOCKS       64
 216#define XFS_MIN_LOG_BLOCKS      512ULL
 217#define XFS_MAX_LOG_BLOCKS      (1024 * 1024ULL)
 218#define XFS_MIN_LOG_BYTES       (10 * 1024 * 1024ULL)
 219
 220/* keep the maximum size under 2^31 by a small amount */
 221#define XFS_MAX_LOG_BYTES \
 222        ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
 223
 224/* Used for sanity checks on superblock */
 225#define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
 226#define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) *     \
 227                         (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
 228
 229/*
 230 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
 231 */
 232typedef struct xfs_growfs_data {
 233        __u64           newblocks;      /* new data subvol size, fsblocks */
 234        __u32           imaxpct;        /* new inode space percentage limit */
 235} xfs_growfs_data_t;
 236
 237typedef struct xfs_growfs_log {
 238        __u32           newblocks;      /* new log size, fsblocks */
 239        __u32           isint;          /* 1 if new log is internal */
 240} xfs_growfs_log_t;
 241
 242typedef struct xfs_growfs_rt {
 243        __u64           newblocks;      /* new realtime size, fsblocks */
 244        __u32           extsize;        /* new realtime extent size, fsblocks */
 245} xfs_growfs_rt_t;
 246
 247
 248/*
 249 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
 250 */
 251typedef struct xfs_bstime {
 252        time_t          tv_sec;         /* seconds              */
 253        __s32           tv_nsec;        /* and nanoseconds      */
 254} xfs_bstime_t;
 255
 256typedef struct xfs_bstat {
 257        __u64           bs_ino;         /* inode number                 */
 258        __u16           bs_mode;        /* type and mode                */
 259        __u16           bs_nlink;       /* number of links              */
 260        __u32           bs_uid;         /* user id                      */
 261        __u32           bs_gid;         /* group id                     */
 262        __u32           bs_rdev;        /* device value                 */
 263        __s32           bs_blksize;     /* block size                   */
 264        __s64           bs_size;        /* file size                    */
 265        xfs_bstime_t    bs_atime;       /* access time                  */
 266        xfs_bstime_t    bs_mtime;       /* modify time                  */
 267        xfs_bstime_t    bs_ctime;       /* inode change time            */
 268        int64_t         bs_blocks;      /* number of blocks             */
 269        __u32           bs_xflags;      /* extended flags               */
 270        __s32           bs_extsize;     /* extent size                  */
 271        __s32           bs_extents;     /* number of extents            */
 272        __u32           bs_gen;         /* generation count             */
 273        __u16           bs_projid_lo;   /* lower part of project id     */
 274#define bs_projid       bs_projid_lo    /* (previously just bs_projid)  */
 275        __u16           bs_forkoff;     /* inode fork offset in bytes   */
 276        __u16           bs_projid_hi;   /* higher part of project id    */
 277        unsigned char   bs_pad[10];     /* pad space, unused            */
 278        __u32           bs_dmevmask;    /* DMIG event mask              */
 279        __u16           bs_dmstate;     /* DMIG state info              */
 280        __u16           bs_aextents;    /* attribute number of extents  */
 281} xfs_bstat_t;
 282
 283/*
 284 * Project quota id helpers (previously projid was 16bit only
 285 * and using two 16bit values to hold new 32bit projid was choosen
 286 * to retain compatibility with "old" filesystems).
 287 */
 288static inline __uint32_t
 289bstat_get_projid(struct xfs_bstat *bs)
 290{
 291        return (__uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
 292}
 293
 294/*
 295 * The user-level BulkStat Request interface structure.
 296 */
 297typedef struct xfs_fsop_bulkreq {
 298        __u64           __user *lastip; /* last inode # pointer         */
 299        __s32           icount;         /* count of entries in buffer   */
 300        void            __user *ubuffer;/* user buffer for inode desc.  */
 301        __s32           __user *ocount; /* output count pointer         */
 302} xfs_fsop_bulkreq_t;
 303
 304
 305/*
 306 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
 307 */
 308typedef struct xfs_inogrp {
 309        __u64           xi_startino;    /* starting inode number        */
 310        __s32           xi_alloccount;  /* # bits set in allocmask      */
 311        __u64           xi_allocmask;   /* mask of allocated inodes     */
 312} xfs_inogrp_t;
 313
 314
 315/*
 316 * Error injection.
 317 */
 318typedef struct xfs_error_injection {
 319        __s32           fd;
 320        __s32           errtag;
 321} xfs_error_injection_t;
 322
 323
 324/*
 325 * Speculative preallocation trimming.
 326 */
 327#define XFS_EOFBLOCKS_VERSION           1
 328struct xfs_fs_eofblocks {
 329        __u32           eof_version;
 330        __u32           eof_flags;
 331        uid_t           eof_uid;
 332        gid_t           eof_gid;
 333        prid_t          eof_prid;
 334        __u32           pad32;
 335        __u64           eof_min_file_size;
 336        __u64           pad64[12];
 337};
 338
 339/* eof_flags values */
 340#define XFS_EOF_FLAGS_SYNC              (1 << 0) /* sync/wait mode scan */
 341#define XFS_EOF_FLAGS_UID               (1 << 1) /* filter by uid */
 342#define XFS_EOF_FLAGS_GID               (1 << 2) /* filter by gid */
 343#define XFS_EOF_FLAGS_PRID              (1 << 3) /* filter by project id */
 344#define XFS_EOF_FLAGS_MINFILESIZE       (1 << 4) /* filter by min file size */
 345#define XFS_EOF_FLAGS_UNION             (1 << 5) /* union filter algorithm;
 346                                                  * kernel only, not included in
 347                                                  * valid mask */
 348#define XFS_EOF_FLAGS_VALID     \
 349        (XFS_EOF_FLAGS_SYNC |   \
 350         XFS_EOF_FLAGS_UID |    \
 351         XFS_EOF_FLAGS_GID |    \
 352         XFS_EOF_FLAGS_PRID |   \
 353         XFS_EOF_FLAGS_MINFILESIZE)
 354
 355
 356/*
 357 * The user-level Handle Request interface structure.
 358 */
 359typedef struct xfs_fsop_handlereq {
 360        __u32           fd;             /* fd for FD_TO_HANDLE          */
 361        void            __user *path;   /* user pathname                */
 362        __u32           oflags;         /* open flags                   */
 363        void            __user *ihandle;/* user supplied handle         */
 364        __u32           ihandlen;       /* user supplied length         */
 365        void            __user *ohandle;/* user buffer for handle       */
 366        __u32           __user *ohandlen;/* user buffer length          */
 367} xfs_fsop_handlereq_t;
 368
 369/*
 370 * Compound structures for passing args through Handle Request interfaces
 371 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
 372 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
 373 *           XFS_IOC_ATTRMULTI_BY_HANDLE
 374 */
 375
 376typedef struct xfs_fsop_setdm_handlereq {
 377        struct xfs_fsop_handlereq       hreq;   /* handle information   */
 378        struct fsdmidata                __user *data;   /* DMAPI data   */
 379} xfs_fsop_setdm_handlereq_t;
 380
 381typedef struct xfs_attrlist_cursor {
 382        __u32           opaque[4];
 383} xfs_attrlist_cursor_t;
 384
 385typedef struct xfs_fsop_attrlist_handlereq {
 386        struct xfs_fsop_handlereq       hreq; /* handle interface structure */
 387        struct xfs_attrlist_cursor      pos; /* opaque cookie, list offset */
 388        __u32                           flags;  /* which namespace to use */
 389        __u32                           buflen; /* length of buffer supplied */
 390        void                            __user *buffer; /* returned names */
 391} xfs_fsop_attrlist_handlereq_t;
 392
 393typedef struct xfs_attr_multiop {
 394        __u32           am_opcode;
 395#define ATTR_OP_GET     1       /* return the indicated attr's value */
 396#define ATTR_OP_SET     2       /* set/create the indicated attr/value pair */
 397#define ATTR_OP_REMOVE  3       /* remove the indicated attr */
 398        __s32           am_error;
 399        void            __user *am_attrname;
 400        void            __user *am_attrvalue;
 401        __u32           am_length;
 402        __u32           am_flags;
 403} xfs_attr_multiop_t;
 404
 405typedef struct xfs_fsop_attrmulti_handlereq {
 406        struct xfs_fsop_handlereq       hreq; /* handle interface structure */
 407        __u32                           opcount;/* count of following multiop */
 408        struct xfs_attr_multiop         __user *ops; /* attr_multi data */
 409} xfs_fsop_attrmulti_handlereq_t;
 410
 411/*
 412 * per machine unique filesystem identifier types.
 413 */
 414typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
 415
 416typedef struct xfs_fid {
 417        __u16   fid_len;                /* length of remainder  */
 418        __u16   fid_pad;
 419        __u32   fid_gen;                /* generation number    */
 420        __u64   fid_ino;                /* 64 bits inode number */
 421} xfs_fid_t;
 422
 423typedef struct xfs_handle {
 424        union {
 425                __s64       align;      /* force alignment of ha_fid     */
 426                xfs_fsid_t  _ha_fsid;   /* unique file system identifier */
 427        } ha_u;
 428        xfs_fid_t       ha_fid;         /* file system specific file ID  */
 429} xfs_handle_t;
 430#define ha_fsid ha_u._ha_fsid
 431
 432#define XFS_HSIZE(handle)       (((char *) &(handle).ha_fid.fid_pad      \
 433                                 - (char *) &(handle))                    \
 434                                 + (handle).ha_fid.fid_len)
 435
 436/*
 437 * Structure passed to XFS_IOC_SWAPEXT
 438 */
 439typedef struct xfs_swapext
 440{
 441        __int64_t       sx_version;     /* version */
 442#define XFS_SX_VERSION          0
 443        __int64_t       sx_fdtarget;    /* fd of target file */
 444        __int64_t       sx_fdtmp;       /* fd of tmp file */
 445        xfs_off_t       sx_offset;      /* offset into file */
 446        xfs_off_t       sx_length;      /* leng from offset */
 447        char            sx_pad[16];     /* pad space, unused */
 448        xfs_bstat_t     sx_stat;        /* stat of target b4 copy */
 449} xfs_swapext_t;
 450
 451/*
 452 * Flags for going down operation
 453 */
 454#define XFS_FSOP_GOING_FLAGS_DEFAULT            0x0     /* going down */
 455#define XFS_FSOP_GOING_FLAGS_LOGFLUSH           0x1     /* flush log but not data */
 456#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH         0x2     /* don't flush log nor data */
 457
 458/*
 459 * ioctl limits
 460 */
 461#ifdef XATTR_LIST_MAX
 462#  define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
 463#else
 464#  define XFS_XATTR_LIST_MAX 65536
 465#endif
 466
 467
 468/*
 469 * ioctl commands that are used by Linux filesystems
 470 */
 471#define XFS_IOC_GETXFLAGS       FS_IOC_GETFLAGS
 472#define XFS_IOC_SETXFLAGS       FS_IOC_SETFLAGS
 473#define XFS_IOC_GETVERSION      FS_IOC_GETVERSION
 474
 475/*
 476 * ioctl commands that replace IRIX fcntl()'s
 477 * For 'documentation' purposed more than anything else,
 478 * the "cmd #" field reflects the IRIX fcntl number.
 479 */
 480#define XFS_IOC_ALLOCSP         _IOW ('X', 10, struct xfs_flock64)
 481#define XFS_IOC_FREESP          _IOW ('X', 11, struct xfs_flock64)
 482#define XFS_IOC_DIOINFO         _IOR ('X', 30, struct dioattr)
 483#define XFS_IOC_FSGETXATTR      FS_IOC_FSGETXATTR
 484#define XFS_IOC_FSSETXATTR      FS_IOC_FSSETXATTR
 485#define XFS_IOC_ALLOCSP64       _IOW ('X', 36, struct xfs_flock64)
 486#define XFS_IOC_FREESP64        _IOW ('X', 37, struct xfs_flock64)
 487#define XFS_IOC_GETBMAP         _IOWR('X', 38, struct getbmap)
 488#define XFS_IOC_FSSETDM         _IOW ('X', 39, struct fsdmidata)
 489#define XFS_IOC_RESVSP          _IOW ('X', 40, struct xfs_flock64)
 490#define XFS_IOC_UNRESVSP        _IOW ('X', 41, struct xfs_flock64)
 491#define XFS_IOC_RESVSP64        _IOW ('X', 42, struct xfs_flock64)
 492#define XFS_IOC_UNRESVSP64      _IOW ('X', 43, struct xfs_flock64)
 493#define XFS_IOC_GETBMAPA        _IOWR('X', 44, struct getbmap)
 494#define XFS_IOC_FSGETXATTRA     _IOR ('X', 45, struct fsxattr)
 495/*      XFS_IOC_SETBIOSIZE ---- deprecated 46      */
 496/*      XFS_IOC_GETBIOSIZE ---- deprecated 47      */
 497#define XFS_IOC_GETBMAPX        _IOWR('X', 56, struct getbmap)
 498#define XFS_IOC_ZERO_RANGE      _IOW ('X', 57, struct xfs_flock64)
 499#define XFS_IOC_FREE_EOFBLOCKS  _IOR ('X', 58, struct xfs_fs_eofblocks)
 500
 501/*
 502 * ioctl commands that replace IRIX syssgi()'s
 503 */
 504#define XFS_IOC_FSGEOMETRY_V1        _IOR ('X', 100, struct xfs_fsop_geom_v1)
 505#define XFS_IOC_FSBULKSTAT           _IOWR('X', 101, struct xfs_fsop_bulkreq)
 506#define XFS_IOC_FSBULKSTAT_SINGLE    _IOWR('X', 102, struct xfs_fsop_bulkreq)
 507#define XFS_IOC_FSINUMBERS           _IOWR('X', 103, struct xfs_fsop_bulkreq)
 508#define XFS_IOC_PATH_TO_FSHANDLE     _IOWR('X', 104, struct xfs_fsop_handlereq)
 509#define XFS_IOC_PATH_TO_HANDLE       _IOWR('X', 105, struct xfs_fsop_handlereq)
 510#define XFS_IOC_FD_TO_HANDLE         _IOWR('X', 106, struct xfs_fsop_handlereq)
 511#define XFS_IOC_OPEN_BY_HANDLE       _IOWR('X', 107, struct xfs_fsop_handlereq)
 512#define XFS_IOC_READLINK_BY_HANDLE   _IOWR('X', 108, struct xfs_fsop_handlereq)
 513#define XFS_IOC_SWAPEXT              _IOWR('X', 109, struct xfs_swapext)
 514#define XFS_IOC_FSGROWFSDATA         _IOW ('X', 110, struct xfs_growfs_data)
 515#define XFS_IOC_FSGROWFSLOG          _IOW ('X', 111, struct xfs_growfs_log)
 516#define XFS_IOC_FSGROWFSRT           _IOW ('X', 112, struct xfs_growfs_rt)
 517#define XFS_IOC_FSCOUNTS             _IOR ('X', 113, struct xfs_fsop_counts)
 518#define XFS_IOC_SET_RESBLKS          _IOWR('X', 114, struct xfs_fsop_resblks)
 519#define XFS_IOC_GET_RESBLKS          _IOR ('X', 115, struct xfs_fsop_resblks)
 520#define XFS_IOC_ERROR_INJECTION      _IOW ('X', 116, struct xfs_error_injection)
 521#define XFS_IOC_ERROR_CLEARALL       _IOW ('X', 117, struct xfs_error_injection)
 522/*      XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118      */
 523
 524/*      XFS_IOC_FREEZE            -- FIFREEZE   119      */
 525/*      XFS_IOC_THAW              -- FITHAW     120      */
 526#ifndef FIFREEZE
 527#define XFS_IOC_FREEZE               _IOWR('X', 119, int)
 528#define XFS_IOC_THAW                 _IOWR('X', 120, int)
 529#endif
 530
 531#define XFS_IOC_FSSETDM_BY_HANDLE    _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
 532#define XFS_IOC_ATTRLIST_BY_HANDLE   _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
 533#define XFS_IOC_ATTRMULTI_BY_HANDLE  _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
 534#define XFS_IOC_FSGEOMETRY           _IOR ('X', 124, struct xfs_fsop_geom)
 535#define XFS_IOC_GOINGDOWN            _IOR ('X', 125, __uint32_t)
 536/*      XFS_IOC_GETFSUUID ---------- deprecated 140      */
 537
 538
 539#ifndef HAVE_BBMACROS
 540/*
 541 * Block I/O parameterization.  A basic block (BB) is the lowest size of
 542 * filesystem allocation, and must equal 512.  Length units given to bio
 543 * routines are in BB's.
 544 */
 545#define BBSHIFT         9
 546#define BBSIZE          (1<<BBSHIFT)
 547#define BBMASK          (BBSIZE-1)
 548#define BTOBB(bytes)    (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
 549#define BTOBBT(bytes)   ((__u64)(bytes) >> BBSHIFT)
 550#define BBTOB(bbs)      ((bbs) << BBSHIFT)
 551#endif
 552
 553#endif  /* __XFS_FS_H__ */
 554