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 31 struct 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 46 struct 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 65 struct 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 101 struct 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 */ 112 typedef 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 */ 125 typedef 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 */ 151 typedef 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 */ 176 typedef 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 */ 184 typedef 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 */ 232 typedef 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; 236 237 typedef 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; 241 242 typedef 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 */ 251 typedef struct xfs_bstime { 252 time_t tv_sec; /* seconds */ 253 __s32 tv_nsec; /* and nanoseconds */ 254 } xfs_bstime_t; 255 256 typedef 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 */ 288 static inline __uint32_t 289 bstat_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 */ 297 typedef 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 */ 308 typedef 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 */ 318 typedef 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 1 328 struct 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 */ 359 typedef 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 */ 375 376 typedef 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; 380 381 typedef struct xfs_attrlist_cursor { 382 __u32 opaque[4]; 383 } xfs_attrlist_cursor_t; 384 385 typedef 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; 392 393 typedef 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; 404 405 typedef 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 */ 414 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ 415 416 typedef 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; 422 423 typedef 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 */ 439 typedef 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