extlinux/xfs_fs.h

   1 /*
   2  * Taken from Linux kernel tree (linux/fs/xfs)
   3  *
   4  * Copyright (c) 1995-2005 Silicon Graphics, Inc.
   5  * All Rights Reserved.
   6  *
   7  * Copyright (c) 2012 Paulo Alcantara <pcacjr@zytor.com>
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public License
  11  * as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it would be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program; if not, write the Free Software Foundation,
  20  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21  */
  22
  23 #ifndef XFS_FS_H_
  24 #define XFS_FS_H_
  25
  26 /*
  27  * SGI's XFS filesystem's major stuff (constants, structures)
  28  */
  29
  30 /*
  31  * Direct I/O attribute record used with XFS_IOC_DIOINFO
  32  * d_miniosz is the min xfer size, xfer size multiple and file seek offset
  33  * alignment.
  34  */
  35 struct dioattr {
  36         uint32_t                d_mem;          /* data buffer memory alignment */
  37         uint32_t                d_miniosz;      /* min xfer size                */
  38         uint32_t                d_maxiosz;      /* max xfer size                */
  39 };
  40
  41 /*
  42  * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR.
  43  */
  44 struct fsxattr {
  45         uint32_t                fsx_xflags;     /* xflags field value (get/set) */
  46         uint32_t                fsx_extsize;    /* extsize field value (get/set)*/
  47         uint32_t                fsx_nextents;   /* nextents field value (get)   */
  48         uint32_t                fsx_projid;     /* project identifier (get/set) */
  49         unsigned char   fsx_pad[12];
  50 };
  51
  52 /*
  53  * Flags for the bs_xflags/fsx_xflags field
  54  * There should be a one-to-one correspondence between these flags and the
  55  * XFS_DIFLAG_s.
  56  */
  57 #define XFS_XFLAG_REALTIME      0x00000001      /* data in realtime volume */
  58 #define XFS_XFLAG_PREALLOC      0x00000002      /* preallocated file extents */
  59 #define XFS_XFLAG_IMMUTABLE     0x00000008      /* file cannot be modified */
  60 #define XFS_XFLAG_APPEND        0x00000010      /* all writes append */
  61 #define XFS_XFLAG_SYNC          0x00000020      /* all writes synchronous */
  62 #define XFS_XFLAG_NOATIME       0x00000040      /* do not update access time */
  63 #define XFS_XFLAG_NODUMP        0x00000080      /* do not include in backups */
  64 #define XFS_XFLAG_RTINHERIT     0x00000100      /* create with rt bit set */
  65 #define XFS_XFLAG_PROJINHERIT   0x00000200      /* create with parents projid */
  66 #define XFS_XFLAG_NOSYMLINKS    0x00000400      /* disallow symlink creation */
  67 #define XFS_XFLAG_EXTSIZE       0x00000800      /* extent size allocator hint */
  68 #define XFS_XFLAG_EXTSZINHERIT  0x00001000      /* inherit inode extent size */
  69 #define XFS_XFLAG_NODEFRAG      0x00002000      /* do not defragment */
  70 #define XFS_XFLAG_FILESTREAM    0x00004000      /* use filestream allocator */
  71 #define XFS_XFLAG_HASATTR       0x80000000      /* no DIFLAG for this   */
  72
  73 /*
  74  * Structure for XFS_IOC_GETBMAP.
  75  * On input, fill in bmv_offset and bmv_length of the first structure
  76  * to indicate the area of interest in the file, and bmv_entries with
  77  * the number of array elements given back.  The first structure is
  78  * updated on return to give the offset and length for the next call.
  79  */
  80 struct getbmap {
  81         int64_t         bmv_offset;     /* file offset of segment in blocks */
  82         int64_t         bmv_block;      /* starting block (64-bit daddr_t)  */
  83         int64_t         bmv_length;     /* length of segment, blocks        */
  84         int32_t         bmv_count;      /* # of entries in array incl. 1st  */
  85         int32_t         bmv_entries;    /* # of entries filled in (output)  */
  86 };
  87
  88 /*
  89  *      Structure for XFS_IOC_GETBMAPX.  Fields bmv_offset through bmv_entries
  90  *      are used exactly as in the getbmap structure.  The getbmapx structure
  91  *      has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
  92  *      is only used for the first structure.  It contains input flags
  93  *      specifying XFS_IOC_GETBMAPX actions.  The bmv_oflags field is filled
  94  *      in by the XFS_IOC_GETBMAPX command for each returned structure after
  95  *      the first.
  96  */
  97 struct getbmapx {
  98         int64_t         bmv_offset;     /* file offset of segment in blocks */
  99         int64_t         bmv_block;      /* starting block (64-bit daddr_t)  */
 100         int64_t         bmv_length;     /* length of segment, blocks        */
 101         int32_t         bmv_count;      /* # of entries in array incl. 1st  */
 102         int32_t         bmv_entries;    /* # of entries filled in (output). */
 103         int32_t         bmv_iflags;     /* input flags (1st structure)      */
 104         int32_t         bmv_oflags;     /* output flags (after 1st structure)*/
 105         int32_t         bmv_unused1;    /* future use                       */
 106         int32_t         bmv_unused2;    /* future use                       */
 107 };
 108
 109 /*      bmv_iflags values - set by XFS_IOC_GETBMAPX caller.     */
 110 #define BMV_IF_ATTRFORK         0x1     /* return attr fork rather than data */
 111 #define BMV_IF_NO_DMAPI_READ    0x2     /* Do not generate DMAPI read event  */
 112 #define BMV_IF_PREALLOC         0x4     /* rtn status BMV_OF_PREALLOC if req */
 113 #define BMV_IF_DELALLOC         0x8     /* rtn status BMV_OF_DELALLOC if req */
 114 #define BMV_IF_NO_HOLES         0x10    /* Do not return holes */
 115 #define BMV_IF_VALID    \
 116         (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC|  \
 117          BMV_IF_DELALLOC|BMV_IF_NO_HOLES)
 118
 119 /*      bmv_oflags values - returned for each non-header segment */
 120 #define BMV_OF_PREALLOC         0x1     /* segment = unwritten pre-allocation */
 121 #define BMV_OF_DELALLOC         0x2     /* segment = delayed allocation */
 122 #define BMV_OF_LAST             0x4     /* segment is the last in the file */
 123
 124 /*
 125  * Structure for XFS_IOC_FSSETDM.
 126  * For use by backup and restore programs to set the XFS on-disk inode
 127  * fields di_dmevmask and di_dmstate.  These must be set to exactly and
 128  * only values previously obtained via xfs_bulkstat!  (Specifically the
 129  * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
 130  */
 131 struct fsdmidata {
 132         uint32_t                fsd_dmevmask;   /* corresponds to di_dmevmask */
 133         __u16           fsd_padding;
 134         __u16           fsd_dmstate;    /* corresponds to di_dmstate  */
 135 };
 136
 137 /*
 138  * File segment locking set data type for 64 bit access.
 139  * Also used for all the RESV/FREE interfaces.
 140  */
 141 typedef struct xfs_flock64 {
 142         __s16           l_type;
 143         __s16           l_whence;
 144         int64_t         l_start;
 145         int64_t         l_len;          /* len == 0 means until end of file */
 146         int32_t         l_sysid;
 147         uint32_t                l_pid;
 148         int32_t         l_pad[4];       /* reserve area                     */
 149 } xfs_flock64_t;
 150
 151 /*
 152  * Output for XFS_IOC_FSGEOMETRY_V1
 153  */
 154 typedef struct xfs_fsop_geom_v1 {
 155         uint32_t                blocksize;      /* filesystem (data) block size */
 156         uint32_t                rtextsize;      /* realtime extent size         */
 157         uint32_t                agblocks;       /* fsblocks in an AG            */
 158         uint32_t                agcount;        /* number of allocation groups  */
 159         uint32_t                logblocks;      /* fsblocks in the log          */
 160         uint32_t                sectsize;       /* (data) sector size, bytes    */
 161         uint32_t                inodesize;      /* inode size in bytes          */
 162         uint32_t                imaxpct;        /* max allowed inode space(%)   */
 163         uint64_t                datablocks;     /* fsblocks in data subvolume   */
 164         uint64_t                rtblocks;       /* fsblocks in realtime subvol  */
 165         uint64_t                rtextents;      /* rt extents in realtime subvol*/
 166         uint64_t                logstart;       /* starting fsblock of the log  */
 167         unsigned char   uuid[16];       /* unique id of the filesystem  */
 168         uint32_t                sunit;          /* stripe unit, fsblocks        */
 169         uint32_t                swidth;         /* stripe width, fsblocks       */
 170         int32_t         version;        /* structure version            */
 171         uint32_t                flags;          /* superblock version flags     */
 172         uint32_t                logsectsize;    /* log sector size, bytes       */
 173         uint32_t                rtsectsize;     /* realtime sector size, bytes  */
 174         uint32_t                dirblocksize;   /* directory block size, bytes  */
 175 } xfs_fsop_geom_v1_t;
 176
 177 /*
 178  * Output for XFS_IOC_FSGEOMETRY
 179  */
 180 typedef struct xfs_fsop_geom {
 181         uint32_t                blocksize;      /* filesystem (data) block size */
 182         uint32_t                rtextsize;      /* realtime extent size         */
 183         uint32_t                agblocks;       /* fsblocks in an AG            */
 184         uint32_t                agcount;        /* number of allocation groups  */
 185         uint32_t                logblocks;      /* fsblocks in the log          */
 186         uint32_t                sectsize;       /* (data) sector size, bytes    */
 187         uint32_t                inodesize;      /* inode size in bytes          */
 188         uint32_t                imaxpct;        /* max allowed inode space(%)   */
 189         uint64_t                datablocks;     /* fsblocks in data subvolume   */
 190         uint64_t                rtblocks;       /* fsblocks in realtime subvol  */
 191         uint64_t                rtextents;      /* rt extents in realtime subvol*/
 192         uint64_t                logstart;       /* starting fsblock of the log  */
 193         unsigned char   uuid[16];       /* unique id of the filesystem  */
 194         uint32_t                sunit;          /* stripe unit, fsblocks        */
 195         uint32_t                swidth;         /* stripe width, fsblocks       */
 196         int32_t         version;        /* structure version            */
 197         uint32_t                flags;          /* superblock version flags     */
 198         uint32_t                logsectsize;    /* log sector size, bytes       */
 199         uint32_t                rtsectsize;     /* realtime sector size, bytes  */
 200         uint32_t                dirblocksize;   /* directory block size, bytes  */
 201         uint32_t                logsunit;       /* log stripe unit, bytes */
 202 } xfs_fsop_geom_t;
 203
 204 /* Output for XFS_FS_COUNTS */
 205 typedef struct xfs_fsop_counts {
 206         uint64_t        freedata;       /* free data section blocks */
 207         uint64_t        freertx;        /* free rt extents */
 208         uint64_t        freeino;        /* free inodes */
 209         uint64_t        allocino;       /* total allocated inodes */
 210 } xfs_fsop_counts_t;
 211
 212 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
 213 typedef struct xfs_fsop_resblks {
 214         uint64_t  resblks;
 215         uint64_t  resblks_avail;
 216 } xfs_fsop_resblks_t;
 217
 218 #define XFS_FSOP_GEOM_VERSION   0
 219
 220 #define XFS_FSOP_GEOM_FLAGS_ATTR        0x0001  /* attributes in use    */
 221 #define XFS_FSOP_GEOM_FLAGS_NLINK       0x0002  /* 32-bit nlink values  */
 222 #define XFS_FSOP_GEOM_FLAGS_QUOTA       0x0004  /* quotas enabled       */
 223 #define XFS_FSOP_GEOM_FLAGS_IALIGN      0x0008  /* inode alignment      */
 224 #define XFS_FSOP_GEOM_FLAGS_DALIGN      0x0010  /* large data alignment */
 225 #define XFS_FSOP_GEOM_FLAGS_SHARED      0x0020  /* read-only shared     */
 226 #define XFS_FSOP_GEOM_FLAGS_EXTFLG      0x0040  /* special extent flag  */
 227 #define XFS_FSOP_GEOM_FLAGS_DIRV2       0x0080  /* directory version 2  */
 228 #define XFS_FSOP_GEOM_FLAGS_LOGV2       0x0100  /* log format version 2 */
 229 #define XFS_FSOP_GEOM_FLAGS_SECTOR      0x0200  /* sector sizes >1BB    */
 230 #define XFS_FSOP_GEOM_FLAGS_ATTR2       0x0400  /* inline attributes rework */
 231 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI     0x1000  /* ASCII only CI names */
 232 #define XFS_FSOP_GEOM_FLAGS_LAZYSB      0x4000  /* lazy superblock counters */
 233
 234
 235 /*
 236  * Minimum and maximum sizes need for growth checks
 237  */
 238 #define XFS_MIN_AG_BLOCKS       64
 239 #define XFS_MIN_LOG_BLOCKS      512ULL
 240 #define XFS_MAX_LOG_BLOCKS      (1024 * 1024ULL)
 241 #define XFS_MIN_LOG_BYTES       (10 * 1024 * 1024ULL)
 242
 243 /* keep the maximum size under 2^31 by a small amount */
 244 #define XFS_MAX_LOG_BYTES \
 245         ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
 246
 247 /* Used for sanity checks on superblock */
 248 #define XFS_MAX_DBLOCKS(s) ((xfs_drfsbno_t)(s)->sb_agcount * (s)->sb_agblocks)
 249 #define XFS_MIN_DBLOCKS(s) ((xfs_drfsbno_t)((s)->sb_agcount - 1) *      \
 250                          (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
 251
 252 /*
 253  * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
 254  */
 255 typedef struct xfs_growfs_data {
 256         uint64_t                newblocks;      /* new data subvol size, fsblocks */
 257         uint32_t                imaxpct;        /* new inode space percentage limit */
 258 } xfs_growfs_data_t;
 259
 260 typedef struct xfs_growfs_log {
 261         uint32_t                newblocks;      /* new log size, fsblocks */
 262         uint32_t                isint;          /* 1 if new log is internal */
 263 } xfs_growfs_log_t;
 264
 265 typedef struct xfs_growfs_rt {
 266         uint64_t                newblocks;      /* new realtime size, fsblocks */
 267         uint32_t                extsize;        /* new realtime extent size, fsblocks */
 268 } xfs_growfs_rt_t;
 269
 270
 271 /*
 272  * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
 273  */
 274 typedef struct xfs_bstime {
 275         time_t          tv_sec;         /* seconds              */
 276         int32_t         tv_nsec;        /* and nanoseconds      */
 277 } xfs_bstime_t;
 278
 279 typedef struct xfs_bstat {
 280         uint64_t                bs_ino;         /* inode number                 */
 281         __u16           bs_mode;        /* type and mode                */
 282         __u16           bs_nlink;       /* number of links              */
 283         uint32_t                bs_uid;         /* user id                      */
 284         uint32_t                bs_gid;         /* group id                     */
 285         uint32_t                bs_rdev;        /* device value                 */
 286         int32_t         bs_blksize;     /* block size                   */
 287         int64_t         bs_size;        /* file size                    */
 288         xfs_bstime_t    bs_atime;       /* access time                  */
 289         xfs_bstime_t    bs_mtime;       /* modify time                  */
 290         xfs_bstime_t    bs_ctime;       /* inode change time            */
 291         int64_t         bs_blocks;      /* number of blocks             */
 292         uint32_t                bs_xflags;      /* extended flags               */
 293         int32_t         bs_extsize;     /* extent size                  */
 294         int32_t         bs_extents;     /* number of extents            */
 295         uint32_t                bs_gen;         /* generation count             */
 296         __u16           bs_projid_lo;   /* lower part of project id     */
 297 #define bs_projid       bs_projid_lo    /* (previously just bs_projid)  */
 298         __u16           bs_forkoff;     /* inode fork offset in bytes   */
 299         __u16           bs_projid_hi;   /* higher part of project id    */
 300         unsigned char   bs_pad[10];     /* pad space, unused            */
 301         uint32_t                bs_dmevmask;    /* DMIG event mask              */
 302         __u16           bs_dmstate;     /* DMIG state info              */
 303         __u16           bs_aextents;    /* attribute number of extents  */
 304 } xfs_bstat_t;
 305
 306 /*
 307  * The user-level BulkStat Request interface structure.
 308  */
 309 typedef struct xfs_fsop_bulkreq {
 310         uint64_t                __user *lastip; /* last inode # pointer         */
 311         int32_t         icount;         /* count of entries in buffer   */
 312         void            __user *ubuffer;/* user buffer for inode desc.  */
 313         int32_t         __user *ocount; /* output count pointer         */
 314 } xfs_fsop_bulkreq_t;
 315
 316
 317 /*
 318  * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
 319  */
 320 typedef struct xfs_inogrp {
 321         uint64_t                xi_startino;    /* starting inode number        */
 322         int32_t         xi_alloccount;  /* # bits set in allocmask      */
 323         uint64_t                xi_allocmask;   /* mask of allocated inodes     */
 324 } xfs_inogrp_t;
 325
 326
 327 /*
 328  * Error injection.
 329  */
 330 typedef struct xfs_error_injection {
 331         int32_t         fd;
 332         int32_t         errtag;
 333 } xfs_error_injection_t;
 334
 335
 336 /*
 337  * The user-level Handle Request interface structure.
 338  */
 339 typedef struct xfs_fsop_handlereq {
 340         uint32_t                fd;             /* fd for FD_TO_HANDLE          */
 341         void            __user *path;   /* user pathname                */
 342         uint32_t                oflags;         /* open flags                   */
 343         void            __user *ihandle;/* user supplied handle         */
 344         uint32_t                ihandlen;       /* user supplied length         */
 345         void            __user *ohandle;/* user buffer for handle       */
 346         uint32_t                __user *ohandlen;/* user buffer length          */
 347 } xfs_fsop_handlereq_t;
 348
 349 /*
 350  * Compound structures for passing args through Handle Request interfaces
 351  * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
 352  * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
 353  *           XFS_IOC_ATTRMULTI_BY_HANDLE
 354  */
 355
 356 typedef struct xfs_fsop_setdm_handlereq {
 357         struct xfs_fsop_handlereq       hreq;   /* handle information   */
 358         struct fsdmidata                __user *data;   /* DMAPI data   */
 359 } xfs_fsop_setdm_handlereq_t;
 360
 361 typedef struct xfs_attrlist_cursor {
 362         uint32_t                opaque[4];
 363 } xfs_attrlist_cursor_t;
 364
 365 typedef struct xfs_fsop_attrlist_handlereq {
 366         struct xfs_fsop_handlereq       hreq; /* handle interface structure */
 367         struct xfs_attrlist_cursor      pos; /* opaque cookie, list offset */
 368         uint32_t                                flags;  /* which namespace to use */
 369         uint32_t                                buflen; /* length of buffer supplied */
 370         void                            __user *buffer; /* returned names */
 371 } xfs_fsop_attrlist_handlereq_t;
 372
 373 typedef struct xfs_attr_multiop {
 374         uint32_t                am_opcode;
 375 #define ATTR_OP_GET     1       /* return the indicated attr's value */
 376 #define ATTR_OP_SET     2       /* set/create the indicated attr/value pair */
 377 #define ATTR_OP_REMOVE  3       /* remove the indicated attr */
 378         int32_t         am_error;
 379         void            __user *am_attrname;
 380         void            __user *am_attrvalue;
 381         uint32_t                am_length;
 382         uint32_t                am_flags;
 383 } xfs_attr_multiop_t;
 384
 385 typedef struct xfs_fsop_attrmulti_handlereq {
 386         struct xfs_fsop_handlereq       hreq; /* handle interface structure */
 387         uint32_t                                opcount;/* count of following multiop */
 388         struct xfs_attr_multiop         __user *ops; /* attr_multi data */
 389 } xfs_fsop_attrmulti_handlereq_t;
 390
 391 /*
 392  * per machine unique filesystem identifier types.
 393  */
 394 typedef struct { uint32_t val[2]; } xfs_fsid_t; /* file system id type */
 395
 396 typedef struct xfs_fid {
 397         __u16   fid_len;                /* length of remainder  */
 398         __u16   fid_pad;
 399         uint32_t        fid_gen;                /* generation number    */
 400         uint64_t        fid_ino;                /* 64 bits inode number */
 401 } xfs_fid_t;
 402
 403 typedef struct xfs_handle {
 404         union {
 405                 int64_t     align;      /* force alignment of ha_fid     */
 406                 xfs_fsid_t  _ha_fsid;   /* unique file system identifier */
 407         } ha_u;
 408         xfs_fid_t       ha_fid;         /* file system specific file ID  */
 409 } xfs_handle_t;
 410 #define ha_fsid ha_u._ha_fsid
 411
 412 #define XFS_HSIZE(handle)       (((char *) &(handle).ha_fid.fid_pad      \
 413                                  - (char *) &(handle))                    \
 414                                  + (handle).ha_fid.fid_len)
 415
 416 /*
 417  * Flags for going down operation
 418  */
 419 #define XFS_FSOP_GOING_FLAGS_DEFAULT            0x0     /* going down */
 420 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH           0x1     /* flush log but not data */
 421 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH         0x2     /* don't flush log nor data */
 422
 423 /*
 424  * ioctl commands that are used by Linux filesystems
 425  */
 426 #define XFS_IOC_GETXFLAGS       FS_IOC_GETFLAGS
 427 #define XFS_IOC_SETXFLAGS       FS_IOC_SETFLAGS
 428 #define XFS_IOC_GETVERSION      FS_IOC_GETVERSION
 429
 430 /*
 431  * ioctl commands that replace IRIX fcntl()'s
 432  * For 'documentation' purposed more than anything else,
 433  * the "cmd #" field reflects the IRIX fcntl number.
 434  */
 435 #define XFS_IOC_ALLOCSP         _IOW ('X', 10, struct xfs_flock64)
 436 #define XFS_IOC_FREESP          _IOW ('X', 11, struct xfs_flock64)
 437 #define XFS_IOC_DIOINFO         _IOR ('X', 30, struct dioattr)
 438 #define XFS_IOC_FSGETXATTR      _IOR ('X', 31, struct fsxattr)
 439 #define XFS_IOC_FSSETXATTR      _IOW ('X', 32, struct fsxattr)
 440 #define XFS_IOC_ALLOCSP64       _IOW ('X', 36, struct xfs_flock64)
 441 #define XFS_IOC_FREESP64        _IOW ('X', 37, struct xfs_flock64)
 442 #define XFS_IOC_GETBMAP         _IOWR('X', 38, struct getbmap)
 443 #define XFS_IOC_FSSETDM         _IOW ('X', 39, struct fsdmidata)
 444 #define XFS_IOC_RESVSP          _IOW ('X', 40, struct xfs_flock64)
 445 #define XFS_IOC_UNRESVSP        _IOW ('X', 41, struct xfs_flock64)
 446 #define XFS_IOC_RESVSP64        _IOW ('X', 42, struct xfs_flock64)
 447 #define XFS_IOC_UNRESVSP64      _IOW ('X', 43, struct xfs_flock64)
 448 #define XFS_IOC_GETBMAPA        _IOWR('X', 44, struct getbmap)
 449 #define XFS_IOC_FSGETXATTRA     _IOR ('X', 45, struct fsxattr)
 450 /*      XFS_IOC_SETBIOSIZE ---- deprecated 46      */
 451 /*      XFS_IOC_GETBIOSIZE ---- deprecated 47      */
 452 #define XFS_IOC_GETBMAPX        _IOWR('X', 56, struct getbmap)
 453 #define XFS_IOC_ZERO_RANGE      _IOW ('X', 57, struct xfs_flock64)
 454
 455 /*
 456  * ioctl commands that replace IRIX syssgi()'s
 457  */
 458 #define XFS_IOC_FSGEOMETRY_V1        _IOR ('X', 100, struct xfs_fsop_geom_v1)
 459 #define XFS_IOC_FSBULKSTAT           _IOWR('X', 101, struct xfs_fsop_bulkreq)
 460 #define XFS_IOC_FSBULKSTAT_SINGLE    _IOWR('X', 102, struct xfs_fsop_bulkreq)
 461 #define XFS_IOC_FSINUMBERS           _IOWR('X', 103, struct xfs_fsop_bulkreq)
 462 #define XFS_IOC_PATH_TO_FSHANDLE     _IOWR('X', 104, struct xfs_fsop_handlereq)
 463 #define XFS_IOC_PATH_TO_HANDLE       _IOWR('X', 105, struct xfs_fsop_handlereq)
 464 #define XFS_IOC_FD_TO_HANDLE         _IOWR('X', 106, struct xfs_fsop_handlereq)
 465 #define XFS_IOC_OPEN_BY_HANDLE       _IOWR('X', 107, struct xfs_fsop_handlereq)
 466 #define XFS_IOC_READLINK_BY_HANDLE   _IOWR('X', 108, struct xfs_fsop_handlereq)
 467 #define XFS_IOC_SWAPEXT              _IOWR('X', 109, struct xfs_swapext)
 468 #define XFS_IOC_FSGROWFSDATA         _IOW ('X', 110, struct xfs_growfs_data)
 469 #define XFS_IOC_FSGROWFSLOG          _IOW ('X', 111, struct xfs_growfs_log)
 470 #define XFS_IOC_FSGROWFSRT           _IOW ('X', 112, struct xfs_growfs_rt)
 471 #define XFS_IOC_FSCOUNTS             _IOR ('X', 113, struct xfs_fsop_counts)
 472 #define XFS_IOC_SET_RESBLKS          _IOWR('X', 114, struct xfs_fsop_resblks)
 473 #define XFS_IOC_GET_RESBLKS          _IOR ('X', 115, struct xfs_fsop_resblks)
 474 #define XFS_IOC_ERROR_INJECTION      _IOW ('X', 116, struct xfs_error_injection)
 475 #define XFS_IOC_ERROR_CLEARALL       _IOW ('X', 117, struct xfs_error_injection)
 476 /*      XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118      */
 477 /*      XFS_IOC_FREEZE            -- FIFREEZE   119      */
 478 /*      XFS_IOC_THAW              -- FITHAW     120      */
 479 #define XFS_IOC_FSSETDM_BY_HANDLE    _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
 480 #define XFS_IOC_ATTRLIST_BY_HANDLE   _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
 481 #define XFS_IOC_ATTRMULTI_BY_HANDLE  _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
 482 #define XFS_IOC_FSGEOMETRY           _IOR ('X', 124, struct xfs_fsop_geom)
 483 #define XFS_IOC_GOINGDOWN            _IOR ('X', 125, __uint32_t)
 484 /*      XFS_IOC_GETFSUUID ---------- deprecated 140      */
 485
 486
 487 #ifndef HAVE_BBMACROS
 488 /*
 489  * Block I/O parameterization.  A basic block (BB) is the lowest size of
 490  * filesystem allocation, and must equal 512.  Length units given to bio
 491  * routines are in BB's.
 492  */
 493 #define BBSHIFT         9
 494 #define BBSIZE          (1<<BBSHIFT)
 495 #define BBMASK          (BBSIZE-1)
 496 #define BTOBB(bytes)    (((uint64_t)(bytes) + BBSIZE - 1) >> BBSHIFT)
 497 #define BTOBBT(bytes)   ((uint64_t)(bytes) >> BBSHIFT)
 498 #define BBTOB(bbs)      ((bbs) << BBSHIFT)
 499 #endif
 500
 501 #endif  /* XFS_FS_H_ */