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_COWFORK 0x20 /* return CoW fork rather than data */ 85 #define BMV_IF_VALID \ 86 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ 87 BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK) 88 89 /* bmv_oflags values - returned for each non-header segment */ 90 #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ 91 #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ 92 #define BMV_OF_LAST 0x4 /* segment is the last in the file */ 93 #define BMV_OF_SHARED 0x8 /* segment shared with another file */ 94 95 /* 96 * Structure for XFS_IOC_FSSETDM. 97 * For use by backup and restore programs to set the XFS on-disk inode 98 * fields di_dmevmask and di_dmstate. These must be set to exactly and 99 * only values previously obtained via xfs_bulkstat! (Specifically the 100 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) 101 */ 102 #ifndef HAVE_FSDMIDATA 103 struct fsdmidata { 104 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ 105 __u16 fsd_padding; 106 __u16 fsd_dmstate; /* corresponds to di_dmstate */ 107 }; 108 #endif 109 110 /* 111 * File segment locking set data type for 64 bit access. 112 * Also used for all the RESV/FREE interfaces. 113 */ 114 typedef struct xfs_flock64 { 115 __s16 l_type; 116 __s16 l_whence; 117 __s64 l_start; 118 __s64 l_len; /* len == 0 means until end of file */ 119 __s32 l_sysid; 120 __u32 l_pid; 121 __s32 l_pad[4]; /* reserve area */ 122 } xfs_flock64_t; 123 124 /* 125 * Output for XFS_IOC_FSGEOMETRY_V1 126 */ 127 typedef struct xfs_fsop_geom_v1 { 128 __u32 blocksize; /* filesystem (data) block size */ 129 __u32 rtextsize; /* realtime extent size */ 130 __u32 agblocks; /* fsblocks in an AG */ 131 __u32 agcount; /* number of allocation groups */ 132 __u32 logblocks; /* fsblocks in the log */ 133 __u32 sectsize; /* (data) sector size, bytes */ 134 __u32 inodesize; /* inode size in bytes */ 135 __u32 imaxpct; /* max allowed inode space(%) */ 136 __u64 datablocks; /* fsblocks in data subvolume */ 137 __u64 rtblocks; /* fsblocks in realtime subvol */ 138 __u64 rtextents; /* rt extents in realtime subvol*/ 139 __u64 logstart; /* starting fsblock of the log */ 140 unsigned char uuid[16]; /* unique id of the filesystem */ 141 __u32 sunit; /* stripe unit, fsblocks */ 142 __u32 swidth; /* stripe width, fsblocks */ 143 __s32 version; /* structure version */ 144 __u32 flags; /* superblock version flags */ 145 __u32 logsectsize; /* log sector size, bytes */ 146 __u32 rtsectsize; /* realtime sector size, bytes */ 147 __u32 dirblocksize; /* directory block size, bytes */ 148 } xfs_fsop_geom_v1_t; 149 150 /* 151 * Output for XFS_IOC_FSGEOMETRY 152 */ 153 typedef struct xfs_fsop_geom { 154 __u32 blocksize; /* filesystem (data) block size */ 155 __u32 rtextsize; /* realtime extent size */ 156 __u32 agblocks; /* fsblocks in an AG */ 157 __u32 agcount; /* number of allocation groups */ 158 __u32 logblocks; /* fsblocks in the log */ 159 __u32 sectsize; /* (data) sector size, bytes */ 160 __u32 inodesize; /* inode size in bytes */ 161 __u32 imaxpct; /* max allowed inode space(%) */ 162 __u64 datablocks; /* fsblocks in data subvolume */ 163 __u64 rtblocks; /* fsblocks in realtime subvol */ 164 __u64 rtextents; /* rt extents in realtime subvol*/ 165 __u64 logstart; /* starting fsblock of the log */ 166 unsigned char uuid[16]; /* unique id of the filesystem */ 167 __u32 sunit; /* stripe unit, fsblocks */ 168 __u32 swidth; /* stripe width, fsblocks */ 169 __s32 version; /* structure version */ 170 __u32 flags; /* superblock version flags */ 171 __u32 logsectsize; /* log sector size, bytes */ 172 __u32 rtsectsize; /* realtime sector size, bytes */ 173 __u32 dirblocksize; /* directory block size, bytes */ 174 __u32 logsunit; /* log stripe unit, bytes */ 175 } xfs_fsop_geom_t; 176 177 /* Output for XFS_FS_COUNTS */ 178 typedef struct xfs_fsop_counts { 179 __u64 freedata; /* free data section blocks */ 180 __u64 freertx; /* free rt extents */ 181 __u64 freeino; /* free inodes */ 182 __u64 allocino; /* total allocated inodes */ 183 } xfs_fsop_counts_t; 184 185 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ 186 typedef struct xfs_fsop_resblks { 187 __u64 resblks; 188 __u64 resblks_avail; 189 } xfs_fsop_resblks_t; 190 191 #define XFS_FSOP_GEOM_VERSION 0 192 193 #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ 194 #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ 195 #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ 196 #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ 197 #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ 198 #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ 199 #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ 200 #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ 201 #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ 202 #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ 203 #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */ 204 #define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */ 205 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */ 206 #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ 207 #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */ 208 #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ 209 #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ 210 #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ 211 #define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */ 212 #define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */ 213 214 /* 215 * Minimum and maximum sizes need for growth checks. 216 * 217 * Block counts are in units of filesystem blocks, not basic blocks. 218 */ 219 #define XFS_MIN_AG_BLOCKS 64 220 #define XFS_MIN_LOG_BLOCKS 512ULL 221 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) 222 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) 223 224 /* keep the maximum size under 2^31 by a small amount */ 225 #define XFS_MAX_LOG_BYTES \ 226 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) 227 228 /* Used for sanity checks on superblock */ 229 #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) 230 #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ 231 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) 232 233 /* 234 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT 235 */ 236 typedef struct xfs_growfs_data { 237 __u64 newblocks; /* new data subvol size, fsblocks */ 238 __u32 imaxpct; /* new inode space percentage limit */ 239 } xfs_growfs_data_t; 240 241 typedef struct xfs_growfs_log { 242 __u32 newblocks; /* new log size, fsblocks */ 243 __u32 isint; /* 1 if new log is internal */ 244 } xfs_growfs_log_t; 245 246 typedef struct xfs_growfs_rt { 247 __u64 newblocks; /* new realtime size, fsblocks */ 248 __u32 extsize; /* new realtime extent size, fsblocks */ 249 } xfs_growfs_rt_t; 250 251 252 /* 253 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE 254 */ 255 typedef struct xfs_bstime { 256 time_t tv_sec; /* seconds */ 257 __s32 tv_nsec; /* and nanoseconds */ 258 } xfs_bstime_t; 259 260 typedef struct xfs_bstat { 261 __u64 bs_ino; /* inode number */ 262 __u16 bs_mode; /* type and mode */ 263 __u16 bs_nlink; /* number of links */ 264 __u32 bs_uid; /* user id */ 265 __u32 bs_gid; /* group id */ 266 __u32 bs_rdev; /* device value */ 267 __s32 bs_blksize; /* block size */ 268 __s64 bs_size; /* file size */ 269 xfs_bstime_t bs_atime; /* access time */ 270 xfs_bstime_t bs_mtime; /* modify time */ 271 xfs_bstime_t bs_ctime; /* inode change time */ 272 int64_t bs_blocks; /* number of blocks */ 273 __u32 bs_xflags; /* extended flags */ 274 __s32 bs_extsize; /* extent size */ 275 __s32 bs_extents; /* number of extents */ 276 __u32 bs_gen; /* generation count */ 277 __u16 bs_projid_lo; /* lower part of project id */ 278 #define bs_projid bs_projid_lo /* (previously just bs_projid) */ 279 __u16 bs_forkoff; /* inode fork offset in bytes */ 280 __u16 bs_projid_hi; /* higher part of project id */ 281 unsigned char bs_pad[6]; /* pad space, unused */ 282 __u32 bs_cowextsize; /* cow extent size */ 283 __u32 bs_dmevmask; /* DMIG event mask */ 284 __u16 bs_dmstate; /* DMIG state info */ 285 __u16 bs_aextents; /* attribute number of extents */ 286 } xfs_bstat_t; 287 288 /* 289 * Project quota id helpers (previously projid was 16bit only 290 * and using two 16bit values to hold new 32bit projid was choosen 291 * to retain compatibility with "old" filesystems). 292 */ 293 static inline __uint32_t 294 bstat_get_projid(struct xfs_bstat *bs) 295 { 296 return (__uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; 297 } 298 299 /* 300 * The user-level BulkStat Request interface structure. 301 */ 302 typedef struct xfs_fsop_bulkreq { 303 __u64 __user *lastip; /* last inode # pointer */ 304 __s32 icount; /* count of entries in buffer */ 305 void __user *ubuffer;/* user buffer for inode desc. */ 306 __s32 __user *ocount; /* output count pointer */ 307 } xfs_fsop_bulkreq_t; 308 309 310 /* 311 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). 312 */ 313 typedef struct xfs_inogrp { 314 __u64 xi_startino; /* starting inode number */ 315 __s32 xi_alloccount; /* # bits set in allocmask */ 316 __u64 xi_allocmask; /* mask of allocated inodes */ 317 } xfs_inogrp_t; 318 319 320 /* 321 * Error injection. 322 */ 323 typedef struct xfs_error_injection { 324 __s32 fd; 325 __s32 errtag; 326 } xfs_error_injection_t; 327 328 329 /* 330 * Speculative preallocation trimming. 331 */ 332 #define XFS_EOFBLOCKS_VERSION 1 333 struct xfs_fs_eofblocks { 334 __u32 eof_version; 335 __u32 eof_flags; 336 uid_t eof_uid; 337 gid_t eof_gid; 338 prid_t eof_prid; 339 __u32 pad32; 340 __u64 eof_min_file_size; 341 __u64 pad64[12]; 342 }; 343 344 /* eof_flags values */ 345 #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ 346 #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ 347 #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ 348 #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ 349 #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ 350 #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; 351 * kernel only, not included in 352 * valid mask */ 353 #define XFS_EOF_FLAGS_VALID \ 354 (XFS_EOF_FLAGS_SYNC | \ 355 XFS_EOF_FLAGS_UID | \ 356 XFS_EOF_FLAGS_GID | \ 357 XFS_EOF_FLAGS_PRID | \ 358 XFS_EOF_FLAGS_MINFILESIZE) 359 360 361 /* 362 * The user-level Handle Request interface structure. 363 */ 364 typedef struct xfs_fsop_handlereq { 365 __u32 fd; /* fd for FD_TO_HANDLE */ 366 void __user *path; /* user pathname */ 367 __u32 oflags; /* open flags */ 368 void __user *ihandle;/* user supplied handle */ 369 __u32 ihandlen; /* user supplied length */ 370 void __user *ohandle;/* user buffer for handle */ 371 __u32 __user *ohandlen;/* user buffer length */ 372 } xfs_fsop_handlereq_t; 373 374 /* 375 * Compound structures for passing args through Handle Request interfaces 376 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle 377 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and 378 * XFS_IOC_ATTRMULTI_BY_HANDLE 379 */ 380 381 typedef struct xfs_fsop_setdm_handlereq { 382 struct xfs_fsop_handlereq hreq; /* handle information */ 383 struct fsdmidata __user *data; /* DMAPI data */ 384 } xfs_fsop_setdm_handlereq_t; 385 386 typedef struct xfs_attrlist_cursor { 387 __u32 opaque[4]; 388 } xfs_attrlist_cursor_t; 389 390 typedef struct xfs_fsop_attrlist_handlereq { 391 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 392 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 393 __u32 flags; /* which namespace to use */ 394 __u32 buflen; /* length of buffer supplied */ 395 void __user *buffer; /* returned names */ 396 } xfs_fsop_attrlist_handlereq_t; 397 398 typedef struct xfs_attr_multiop { 399 __u32 am_opcode; 400 #define ATTR_OP_GET 1 /* return the indicated attr's value */ 401 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ 402 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ 403 __s32 am_error; 404 void __user *am_attrname; 405 void __user *am_attrvalue; 406 __u32 am_length; 407 __u32 am_flags; 408 } xfs_attr_multiop_t; 409 410 typedef struct xfs_fsop_attrmulti_handlereq { 411 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 412 __u32 opcount;/* count of following multiop */ 413 struct xfs_attr_multiop __user *ops; /* attr_multi data */ 414 } xfs_fsop_attrmulti_handlereq_t; 415 416 /* 417 * per machine unique filesystem identifier types. 418 */ 419 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ 420 421 typedef struct xfs_fid { 422 __u16 fid_len; /* length of remainder */ 423 __u16 fid_pad; 424 __u32 fid_gen; /* generation number */ 425 __u64 fid_ino; /* 64 bits inode number */ 426 } xfs_fid_t; 427 428 typedef struct xfs_handle { 429 union { 430 __s64 align; /* force alignment of ha_fid */ 431 xfs_fsid_t _ha_fsid; /* unique file system identifier */ 432 } ha_u; 433 xfs_fid_t ha_fid; /* file system specific file ID */ 434 } xfs_handle_t; 435 #define ha_fsid ha_u._ha_fsid 436 437 #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \ 438 - (char *) &(handle)) \ 439 + (handle).ha_fid.fid_len) 440 441 /* 442 * Structure passed to XFS_IOC_SWAPEXT 443 */ 444 typedef struct xfs_swapext 445 { 446 __int64_t sx_version; /* version */ 447 #define XFS_SX_VERSION 0 448 __int64_t sx_fdtarget; /* fd of target file */ 449 __int64_t sx_fdtmp; /* fd of tmp file */ 450 xfs_off_t sx_offset; /* offset into file */ 451 xfs_off_t sx_length; /* leng from offset */ 452 char sx_pad[16]; /* pad space, unused */ 453 xfs_bstat_t sx_stat; /* stat of target b4 copy */ 454 } xfs_swapext_t; 455 456 /* 457 * Flags for going down operation 458 */ 459 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ 460 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ 461 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ 462 463 /* 464 * ioctl limits 465 */ 466 #ifdef XATTR_LIST_MAX 467 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX 468 #else 469 # define XFS_XATTR_LIST_MAX 65536 470 #endif 471 472 473 /* 474 * ioctl commands that are used by Linux filesystems 475 */ 476 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS 477 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS 478 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION 479 480 /* 481 * ioctl commands that replace IRIX fcntl()'s 482 * For 'documentation' purposed more than anything else, 483 * the "cmd #" field reflects the IRIX fcntl number. 484 */ 485 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) 486 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) 487 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) 488 #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR 489 #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR 490 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) 491 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) 492 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) 493 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) 494 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) 495 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) 496 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) 497 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) 498 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) 499 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) 500 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ 501 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ 502 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) 503 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) 504 #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) 505 506 /* 507 * ioctl commands that replace IRIX syssgi()'s 508 */ 509 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) 510 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) 511 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) 512 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) 513 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) 514 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) 515 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) 516 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) 517 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) 518 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) 519 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) 520 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) 521 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) 522 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) 523 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) 524 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) 525 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) 526 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) 527 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ 528 529 #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ 530 #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ 531 532 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) 533 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) 534 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) 535 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) 536 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t) 537 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ 538 539 540 #ifndef HAVE_BBMACROS 541 /* 542 * Block I/O parameterization. A basic block (BB) is the lowest size of 543 * filesystem allocation, and must equal 512. Length units given to bio 544 * routines are in BB's. 545 */ 546 #define BBSHIFT 9 547 #define BBSIZE (1<<BBSHIFT) 548 #define BBMASK (BBSIZE-1) 549 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) 550 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) 551 #define BBTOB(bbs) ((bbs) << BBSHIFT) 552 #endif 553 554 #endif /* __XFS_FS_H__ */ 555