1 /* SPDX-License-Identifier: LGPL-2.1 */ 2 /* 3 * Copyright (c) 1995-2005 Silicon Graphics, Inc. 4 * All Rights Reserved. 5 */ 6 #ifndef __XFS_FS_H__ 7 #define __XFS_FS_H__ 8 9 /* 10 * SGI's XFS filesystem's major stuff (constants, structures) 11 */ 12 13 /* 14 * Direct I/O attribute record used with XFS_IOC_DIOINFO 15 * d_miniosz is the min xfer size, xfer size multiple and file seek offset 16 * alignment. 17 */ 18 #ifndef HAVE_DIOATTR 19 struct dioattr { 20 __u32 d_mem; /* data buffer memory alignment */ 21 __u32 d_miniosz; /* min xfer size */ 22 __u32 d_maxiosz; /* max xfer size */ 23 }; 24 #endif 25 26 /* 27 * Structure for XFS_IOC_GETBMAP. 28 * On input, fill in bmv_offset and bmv_length of the first structure 29 * to indicate the area of interest in the file, and bmv_entries with 30 * the number of array elements given back. The first structure is 31 * updated on return to give the offset and length for the next call. 32 */ 33 #ifndef HAVE_GETBMAP 34 struct getbmap { 35 __s64 bmv_offset; /* file offset of segment in blocks */ 36 __s64 bmv_block; /* starting block (64-bit daddr_t) */ 37 __s64 bmv_length; /* length of segment, blocks */ 38 __s32 bmv_count; /* # of entries in array incl. 1st */ 39 __s32 bmv_entries; /* # of entries filled in (output) */ 40 }; 41 #endif 42 43 /* 44 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries 45 * are used exactly as in the getbmap structure. The getbmapx structure 46 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field 47 * is only used for the first structure. It contains input flags 48 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled 49 * in by the XFS_IOC_GETBMAPX command for each returned structure after 50 * the first. 51 */ 52 #ifndef HAVE_GETBMAPX 53 struct getbmapx { 54 __s64 bmv_offset; /* file offset of segment in blocks */ 55 __s64 bmv_block; /* starting block (64-bit daddr_t) */ 56 __s64 bmv_length; /* length of segment, blocks */ 57 __s32 bmv_count; /* # of entries in array incl. 1st */ 58 __s32 bmv_entries; /* # of entries filled in (output). */ 59 __s32 bmv_iflags; /* input flags (1st structure) */ 60 __s32 bmv_oflags; /* output flags (after 1st structure)*/ 61 __s32 bmv_unused1; /* future use */ 62 __s32 bmv_unused2; /* future use */ 63 }; 64 #endif 65 66 /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ 67 #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */ 68 #define BMV_IF_NO_DMAPI_READ 0x2 /* Deprecated */ 69 #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ 70 #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ 71 #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ 72 #define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */ 73 #define BMV_IF_VALID \ 74 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ 75 BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK) 76 77 /* bmv_oflags values - returned for each non-header segment */ 78 #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ 79 #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ 80 #define BMV_OF_LAST 0x4 /* segment is the last in the file */ 81 #define BMV_OF_SHARED 0x8 /* segment shared with another file */ 82 83 /* fmr_owner special values for FS_IOC_GETFSMAP */ 84 #define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */ 85 #define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */ 86 #define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */ 87 #define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */ 88 #define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */ 89 #define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */ 90 #define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */ 91 #define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */ 92 #define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */ 93 #define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */ 94 95 /* 96 * File segment locking set data type for 64 bit access. 97 * Also used for all the RESV/FREE interfaces. 98 */ 99 typedef struct xfs_flock64 { 100 __s16 l_type; 101 __s16 l_whence; 102 __s64 l_start; 103 __s64 l_len; /* len == 0 means until end of file */ 104 __s32 l_sysid; 105 __u32 l_pid; 106 __s32 l_pad[4]; /* reserve area */ 107 } xfs_flock64_t; 108 109 /* 110 * Output for XFS_IOC_FSGEOMETRY_V1 111 */ 112 struct xfs_fsop_geom_v1 { 113 __u32 blocksize; /* filesystem (data) block size */ 114 __u32 rtextsize; /* realtime extent size */ 115 __u32 agblocks; /* fsblocks in an AG */ 116 __u32 agcount; /* number of allocation groups */ 117 __u32 logblocks; /* fsblocks in the log */ 118 __u32 sectsize; /* (data) sector size, bytes */ 119 __u32 inodesize; /* inode size in bytes */ 120 __u32 imaxpct; /* max allowed inode space(%) */ 121 __u64 datablocks; /* fsblocks in data subvolume */ 122 __u64 rtblocks; /* fsblocks in realtime subvol */ 123 __u64 rtextents; /* rt extents in realtime subvol*/ 124 __u64 logstart; /* starting fsblock of the log */ 125 unsigned char uuid[16]; /* unique id of the filesystem */ 126 __u32 sunit; /* stripe unit, fsblocks */ 127 __u32 swidth; /* stripe width, fsblocks */ 128 __s32 version; /* structure version */ 129 __u32 flags; /* superblock version flags */ 130 __u32 logsectsize; /* log sector size, bytes */ 131 __u32 rtsectsize; /* realtime sector size, bytes */ 132 __u32 dirblocksize; /* directory block size, bytes */ 133 }; 134 135 /* 136 * Output for XFS_IOC_FSGEOMETRY_V4 137 */ 138 struct xfs_fsop_geom_v4 { 139 __u32 blocksize; /* filesystem (data) block size */ 140 __u32 rtextsize; /* realtime extent size */ 141 __u32 agblocks; /* fsblocks in an AG */ 142 __u32 agcount; /* number of allocation groups */ 143 __u32 logblocks; /* fsblocks in the log */ 144 __u32 sectsize; /* (data) sector size, bytes */ 145 __u32 inodesize; /* inode size in bytes */ 146 __u32 imaxpct; /* max allowed inode space(%) */ 147 __u64 datablocks; /* fsblocks in data subvolume */ 148 __u64 rtblocks; /* fsblocks in realtime subvol */ 149 __u64 rtextents; /* rt extents in realtime subvol*/ 150 __u64 logstart; /* starting fsblock of the log */ 151 unsigned char uuid[16]; /* unique id of the filesystem */ 152 __u32 sunit; /* stripe unit, fsblocks */ 153 __u32 swidth; /* stripe width, fsblocks */ 154 __s32 version; /* structure version */ 155 __u32 flags; /* superblock version flags */ 156 __u32 logsectsize; /* log sector size, bytes */ 157 __u32 rtsectsize; /* realtime sector size, bytes */ 158 __u32 dirblocksize; /* directory block size, bytes */ 159 __u32 logsunit; /* log stripe unit, bytes */ 160 }; 161 162 /* 163 * Output for XFS_IOC_FSGEOMETRY 164 */ 165 struct xfs_fsop_geom { 166 __u32 blocksize; /* filesystem (data) block size */ 167 __u32 rtextsize; /* realtime extent size */ 168 __u32 agblocks; /* fsblocks in an AG */ 169 __u32 agcount; /* number of allocation groups */ 170 __u32 logblocks; /* fsblocks in the log */ 171 __u32 sectsize; /* (data) sector size, bytes */ 172 __u32 inodesize; /* inode size in bytes */ 173 __u32 imaxpct; /* max allowed inode space(%) */ 174 __u64 datablocks; /* fsblocks in data subvolume */ 175 __u64 rtblocks; /* fsblocks in realtime subvol */ 176 __u64 rtextents; /* rt extents in realtime subvol*/ 177 __u64 logstart; /* starting fsblock of the log */ 178 unsigned char uuid[16]; /* unique id of the filesystem */ 179 __u32 sunit; /* stripe unit, fsblocks */ 180 __u32 swidth; /* stripe width, fsblocks */ 181 __s32 version; /* structure version */ 182 __u32 flags; /* superblock version flags */ 183 __u32 logsectsize; /* log sector size, bytes */ 184 __u32 rtsectsize; /* realtime sector size, bytes */ 185 __u32 dirblocksize; /* directory block size, bytes */ 186 __u32 logsunit; /* log stripe unit, bytes */ 187 uint32_t sick; /* o: unhealthy fs & rt metadata */ 188 uint32_t checked; /* o: checked fs & rt metadata */ 189 __u64 reserved[17]; /* reserved space */ 190 }; 191 192 #define XFS_FSOP_GEOM_SICK_COUNTERS (1 << 0) /* summary counters */ 193 #define XFS_FSOP_GEOM_SICK_UQUOTA (1 << 1) /* user quota */ 194 #define XFS_FSOP_GEOM_SICK_GQUOTA (1 << 2) /* group quota */ 195 #define XFS_FSOP_GEOM_SICK_PQUOTA (1 << 3) /* project quota */ 196 #define XFS_FSOP_GEOM_SICK_RT_BITMAP (1 << 4) /* realtime bitmap */ 197 #define XFS_FSOP_GEOM_SICK_RT_SUMMARY (1 << 5) /* realtime summary */ 198 #define XFS_FSOP_GEOM_SICK_QUOTACHECK (1 << 6) /* quota counts */ 199 #define XFS_FSOP_GEOM_SICK_NLINKS (1 << 7) /* inode link counts */ 200 201 /* Output for XFS_FS_COUNTS */ 202 typedef struct xfs_fsop_counts { 203 __u64 freedata; /* free data section blocks */ 204 __u64 freertx; /* free rt extents */ 205 __u64 freeino; /* free inodes */ 206 __u64 allocino; /* total allocated inodes */ 207 } xfs_fsop_counts_t; 208 209 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ 210 typedef struct xfs_fsop_resblks { 211 __u64 resblks; 212 __u64 resblks_avail; 213 } xfs_fsop_resblks_t; 214 215 #define XFS_FSOP_GEOM_VERSION 0 216 #define XFS_FSOP_GEOM_VERSION_V5 5 217 218 #define XFS_FSOP_GEOM_FLAGS_ATTR (1 << 0) /* attributes in use */ 219 #define XFS_FSOP_GEOM_FLAGS_NLINK (1 << 1) /* 32-bit nlink values */ 220 #define XFS_FSOP_GEOM_FLAGS_QUOTA (1 << 2) /* quotas enabled */ 221 #define XFS_FSOP_GEOM_FLAGS_IALIGN (1 << 3) /* inode alignment */ 222 #define XFS_FSOP_GEOM_FLAGS_DALIGN (1 << 4) /* large data alignment */ 223 #define XFS_FSOP_GEOM_FLAGS_SHARED (1 << 5) /* read-only shared */ 224 #define XFS_FSOP_GEOM_FLAGS_EXTFLG (1 << 6) /* special extent flag */ 225 #define XFS_FSOP_GEOM_FLAGS_DIRV2 (1 << 7) /* directory version 2 */ 226 #define XFS_FSOP_GEOM_FLAGS_LOGV2 (1 << 8) /* log format version 2 */ 227 #define XFS_FSOP_GEOM_FLAGS_SECTOR (1 << 9) /* sector sizes >1BB */ 228 #define XFS_FSOP_GEOM_FLAGS_ATTR2 (1 << 10) /* inline attributes rework */ 229 #define XFS_FSOP_GEOM_FLAGS_PROJID32 (1 << 11) /* 32-bit project IDs */ 230 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI (1 << 12) /* ASCII only CI names */ 231 /* -- Do not use -- (1 << 13) SGI parent pointers */ 232 #define XFS_FSOP_GEOM_FLAGS_LAZYSB (1 << 14) /* lazy superblock counters */ 233 #define XFS_FSOP_GEOM_FLAGS_V5SB (1 << 15) /* version 5 superblock */ 234 #define XFS_FSOP_GEOM_FLAGS_FTYPE (1 << 16) /* inode directory types */ 235 #define XFS_FSOP_GEOM_FLAGS_FINOBT (1 << 17) /* free inode btree */ 236 #define XFS_FSOP_GEOM_FLAGS_SPINODES (1 << 18) /* sparse inode chunks */ 237 #define XFS_FSOP_GEOM_FLAGS_RMAPBT (1 << 19) /* reverse mapping btree */ 238 #define XFS_FSOP_GEOM_FLAGS_REFLINK (1 << 20) /* files can share blocks */ 239 #define XFS_FSOP_GEOM_FLAGS_BIGTIME (1 << 21) /* 64-bit nsec timestamps */ 240 #define XFS_FSOP_GEOM_FLAGS_INOBTCNT (1 << 22) /* inobt btree counter */ 241 #define XFS_FSOP_GEOM_FLAGS_NREXT64 (1 << 23) /* large extent counters */ 242 #define XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE (1 << 24) /* exchange range */ 243 #define XFS_FSOP_GEOM_FLAGS_PARENT (1 << 25) /* linux parent pointers */ 244 245 /* 246 * Minimum and maximum sizes need for growth checks. 247 * 248 * Block counts are in units of filesystem blocks, not basic blocks. 249 */ 250 #define XFS_MIN_AG_BLOCKS 64 251 #define XFS_MIN_LOG_BLOCKS 512ULL 252 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) 253 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) 254 255 /* 256 * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than 257 * 16MB or larger than 1TB. 258 */ 259 #define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */ 260 #define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */ 261 #define XFS_MAX_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_BLOCKSIZE) 262 #define XFS_MAX_CRC_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_CRC_BLOCKSIZE) 263 264 #define XFS_MAX_AGNUMBER ((xfs_agnumber_t)(NULLAGNUMBER - 1)) 265 266 /* keep the maximum size under 2^31 by a small amount */ 267 #define XFS_MAX_LOG_BYTES \ 268 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) 269 270 /* Used for sanity checks on superblock */ 271 #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) 272 #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ 273 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) 274 275 /* 276 * Output for XFS_IOC_AG_GEOMETRY 277 */ 278 struct xfs_ag_geometry { 279 uint32_t ag_number; /* i/o: AG number */ 280 uint32_t ag_length; /* o: length in blocks */ 281 uint32_t ag_freeblks; /* o: free space */ 282 uint32_t ag_icount; /* o: inodes allocated */ 283 uint32_t ag_ifree; /* o: inodes free */ 284 uint32_t ag_sick; /* o: sick things in ag */ 285 uint32_t ag_checked; /* o: checked metadata in ag */ 286 uint32_t ag_flags; /* i/o: flags for this ag */ 287 uint64_t ag_reserved[12];/* o: zero */ 288 }; 289 #define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */ 290 #define XFS_AG_GEOM_SICK_AGF (1 << 1) /* AGF header */ 291 #define XFS_AG_GEOM_SICK_AGFL (1 << 2) /* AGFL header */ 292 #define XFS_AG_GEOM_SICK_AGI (1 << 3) /* AGI header */ 293 #define XFS_AG_GEOM_SICK_BNOBT (1 << 4) /* free space by block */ 294 #define XFS_AG_GEOM_SICK_CNTBT (1 << 5) /* free space by length */ 295 #define XFS_AG_GEOM_SICK_INOBT (1 << 6) /* inode index */ 296 #define XFS_AG_GEOM_SICK_FINOBT (1 << 7) /* free inode index */ 297 #define XFS_AG_GEOM_SICK_RMAPBT (1 << 8) /* reverse mappings */ 298 #define XFS_AG_GEOM_SICK_REFCNTBT (1 << 9) /* reference counts */ 299 #define XFS_AG_GEOM_SICK_INODES (1 << 10) /* bad inodes were seen */ 300 301 /* 302 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT 303 */ 304 typedef struct xfs_growfs_data { 305 __u64 newblocks; /* new data subvol size, fsblocks */ 306 __u32 imaxpct; /* new inode space percentage limit */ 307 } xfs_growfs_data_t; 308 309 typedef struct xfs_growfs_log { 310 __u32 newblocks; /* new log size, fsblocks */ 311 __u32 isint; /* 1 if new log is internal */ 312 } xfs_growfs_log_t; 313 314 typedef struct xfs_growfs_rt { 315 __u64 newblocks; /* new realtime size, fsblocks */ 316 __u32 extsize; /* new realtime extent size, fsblocks */ 317 } xfs_growfs_rt_t; 318 319 320 /* 321 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE 322 */ 323 typedef struct xfs_bstime { 324 __kernel_long_t tv_sec; /* seconds */ 325 __s32 tv_nsec; /* and nanoseconds */ 326 } xfs_bstime_t; 327 328 struct xfs_bstat { 329 __u64 bs_ino; /* inode number */ 330 __u16 bs_mode; /* type and mode */ 331 __u16 bs_nlink; /* number of links */ 332 __u32 bs_uid; /* user id */ 333 __u32 bs_gid; /* group id */ 334 __u32 bs_rdev; /* device value */ 335 __s32 bs_blksize; /* block size */ 336 __s64 bs_size; /* file size */ 337 xfs_bstime_t bs_atime; /* access time */ 338 xfs_bstime_t bs_mtime; /* modify time */ 339 xfs_bstime_t bs_ctime; /* inode change time */ 340 int64_t bs_blocks; /* number of blocks */ 341 __u32 bs_xflags; /* extended flags */ 342 __s32 bs_extsize; /* extent size */ 343 __s32 bs_extents; /* number of extents */ 344 __u32 bs_gen; /* generation count */ 345 __u16 bs_projid_lo; /* lower part of project id */ 346 #define bs_projid bs_projid_lo /* (previously just bs_projid) */ 347 __u16 bs_forkoff; /* inode fork offset in bytes */ 348 __u16 bs_projid_hi; /* higher part of project id */ 349 uint16_t bs_sick; /* sick inode metadata */ 350 uint16_t bs_checked; /* checked inode metadata */ 351 unsigned char bs_pad[2]; /* pad space, unused */ 352 __u32 bs_cowextsize; /* cow extent size */ 353 __u32 bs_dmevmask; /* DMIG event mask */ 354 __u16 bs_dmstate; /* DMIG state info */ 355 __u16 bs_aextents; /* attribute number of extents */ 356 }; 357 358 /* New bulkstat structure that reports v5 features and fixes padding issues */ 359 struct xfs_bulkstat { 360 uint64_t bs_ino; /* inode number */ 361 uint64_t bs_size; /* file size */ 362 363 uint64_t bs_blocks; /* number of blocks */ 364 uint64_t bs_xflags; /* extended flags */ 365 366 int64_t bs_atime; /* access time, seconds */ 367 int64_t bs_mtime; /* modify time, seconds */ 368 369 int64_t bs_ctime; /* inode change time, seconds */ 370 int64_t bs_btime; /* creation time, seconds */ 371 372 uint32_t bs_gen; /* generation count */ 373 uint32_t bs_uid; /* user id */ 374 uint32_t bs_gid; /* group id */ 375 uint32_t bs_projectid; /* project id */ 376 377 uint32_t bs_atime_nsec; /* access time, nanoseconds */ 378 uint32_t bs_mtime_nsec; /* modify time, nanoseconds */ 379 uint32_t bs_ctime_nsec; /* inode change time, nanoseconds */ 380 uint32_t bs_btime_nsec; /* creation time, nanoseconds */ 381 382 uint32_t bs_blksize; /* block size */ 383 uint32_t bs_rdev; /* device value */ 384 uint32_t bs_cowextsize_blks; /* cow extent size hint, blocks */ 385 uint32_t bs_extsize_blks; /* extent size hint, blocks */ 386 387 uint32_t bs_nlink; /* number of links */ 388 uint32_t bs_extents; /* 32-bit data fork extent counter */ 389 uint32_t bs_aextents; /* attribute number of extents */ 390 uint16_t bs_version; /* structure version */ 391 uint16_t bs_forkoff; /* inode fork offset in bytes */ 392 393 uint16_t bs_sick; /* sick inode metadata */ 394 uint16_t bs_checked; /* checked inode metadata */ 395 uint16_t bs_mode; /* type and mode */ 396 uint16_t bs_pad2; /* zeroed */ 397 uint64_t bs_extents64; /* 64-bit data fork extent counter */ 398 399 uint64_t bs_pad[6]; /* zeroed */ 400 }; 401 402 #define XFS_BULKSTAT_VERSION_V1 (1) 403 #define XFS_BULKSTAT_VERSION_V5 (5) 404 405 /* bs_sick flags */ 406 #define XFS_BS_SICK_INODE (1 << 0) /* inode core */ 407 #define XFS_BS_SICK_BMBTD (1 << 1) /* data fork */ 408 #define XFS_BS_SICK_BMBTA (1 << 2) /* attr fork */ 409 #define XFS_BS_SICK_BMBTC (1 << 3) /* cow fork */ 410 #define XFS_BS_SICK_DIR (1 << 4) /* directory */ 411 #define XFS_BS_SICK_XATTR (1 << 5) /* extended attributes */ 412 #define XFS_BS_SICK_SYMLINK (1 << 6) /* symbolic link remote target */ 413 #define XFS_BS_SICK_PARENT (1 << 7) /* parent pointers */ 414 #define XFS_BS_SICK_DIRTREE (1 << 8) /* directory tree structure */ 415 416 /* 417 * Project quota id helpers (previously projid was 16bit only 418 * and using two 16bit values to hold new 32bit projid was chosen 419 * to retain compatibility with "old" filesystems). 420 */ 421 static inline uint32_t 422 bstat_get_projid(const struct xfs_bstat *bs) 423 { 424 return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; 425 } 426 427 /* 428 * The user-level BulkStat Request interface structure. 429 */ 430 struct xfs_fsop_bulkreq { 431 __u64 __user *lastip; /* last inode # pointer */ 432 __s32 icount; /* count of entries in buffer */ 433 void __user *ubuffer;/* user buffer for inode desc. */ 434 __s32 __user *ocount; /* output count pointer */ 435 }; 436 437 /* 438 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). 439 */ 440 struct xfs_inogrp { 441 __u64 xi_startino; /* starting inode number */ 442 __s32 xi_alloccount; /* # bits set in allocmask */ 443 __u64 xi_allocmask; /* mask of allocated inodes */ 444 }; 445 446 /* New inumbers structure that reports v5 features and fixes padding issues */ 447 struct xfs_inumbers { 448 uint64_t xi_startino; /* starting inode number */ 449 uint64_t xi_allocmask; /* mask of allocated inodes */ 450 uint8_t xi_alloccount; /* # bits set in allocmask */ 451 uint8_t xi_version; /* version */ 452 uint8_t xi_padding[6]; /* zero */ 453 }; 454 455 #define XFS_INUMBERS_VERSION_V1 (1) 456 #define XFS_INUMBERS_VERSION_V5 (5) 457 458 /* Header for bulk inode requests. */ 459 struct xfs_bulk_ireq { 460 uint64_t ino; /* I/O: start with this inode */ 461 uint32_t flags; /* I/O: operation flags */ 462 uint32_t icount; /* I: count of entries in buffer */ 463 uint32_t ocount; /* O: count of entries filled out */ 464 uint32_t agno; /* I: see comment for IREQ_AGNO */ 465 uint64_t reserved[5]; /* must be zero */ 466 }; 467 468 /* 469 * Only return results from the specified @agno. If @ino is zero, start 470 * with the first inode of @agno. 471 */ 472 #define XFS_BULK_IREQ_AGNO (1U << 0) 473 474 /* 475 * Return bulkstat information for a single inode, where @ino value is a 476 * special value, not a literal inode number. See the XFS_BULK_IREQ_SPECIAL_* 477 * values below. Not compatible with XFS_BULK_IREQ_AGNO. 478 */ 479 #define XFS_BULK_IREQ_SPECIAL (1U << 1) 480 481 /* 482 * Return data fork extent count via xfs_bulkstat->bs_extents64 field and assign 483 * 0 to xfs_bulkstat->bs_extents when the flag is set. Otherwise, use 484 * xfs_bulkstat->bs_extents for returning data fork extent count and set 485 * xfs_bulkstat->bs_extents64 to 0. In the second case, return -EOVERFLOW and 486 * assign 0 to xfs_bulkstat->bs_extents if data fork extent count is larger than 487 * XFS_MAX_EXTCNT_DATA_FORK_OLD. 488 */ 489 #define XFS_BULK_IREQ_NREXT64 (1U << 2) 490 491 #define XFS_BULK_IREQ_FLAGS_ALL (XFS_BULK_IREQ_AGNO | \ 492 XFS_BULK_IREQ_SPECIAL | \ 493 XFS_BULK_IREQ_NREXT64) 494 495 /* Operate on the root directory inode. */ 496 #define XFS_BULK_IREQ_SPECIAL_ROOT (1) 497 498 /* 499 * ioctl structures for v5 bulkstat and inumbers requests 500 */ 501 struct xfs_bulkstat_req { 502 struct xfs_bulk_ireq hdr; 503 struct xfs_bulkstat bulkstat[]; 504 }; 505 #define XFS_BULKSTAT_REQ_SIZE(nr) (sizeof(struct xfs_bulkstat_req) + \ 506 (nr) * sizeof(struct xfs_bulkstat)) 507 508 struct xfs_inumbers_req { 509 struct xfs_bulk_ireq hdr; 510 struct xfs_inumbers inumbers[]; 511 }; 512 #define XFS_INUMBERS_REQ_SIZE(nr) (sizeof(struct xfs_inumbers_req) + \ 513 (nr) * sizeof(struct xfs_inumbers)) 514 515 /* 516 * Error injection. 517 */ 518 typedef struct xfs_error_injection { 519 __s32 fd; 520 __s32 errtag; 521 } xfs_error_injection_t; 522 523 524 /* 525 * Speculative preallocation trimming. 526 */ 527 #define XFS_EOFBLOCKS_VERSION 1 528 struct xfs_fs_eofblocks { 529 __u32 eof_version; 530 __u32 eof_flags; 531 uid_t eof_uid; 532 gid_t eof_gid; 533 prid_t eof_prid; 534 __u32 pad32; 535 __u64 eof_min_file_size; 536 __u64 pad64[12]; 537 }; 538 539 /* eof_flags values */ 540 #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ 541 #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ 542 #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ 543 #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ 544 #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ 545 #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; 546 * kernel only, not included in 547 * valid mask */ 548 #define XFS_EOF_FLAGS_VALID \ 549 (XFS_EOF_FLAGS_SYNC | \ 550 XFS_EOF_FLAGS_UID | \ 551 XFS_EOF_FLAGS_GID | \ 552 XFS_EOF_FLAGS_PRID | \ 553 XFS_EOF_FLAGS_MINFILESIZE) 554 555 556 /* 557 * The user-level Handle Request interface structure. 558 */ 559 typedef struct xfs_fsop_handlereq { 560 __u32 fd; /* fd for FD_TO_HANDLE */ 561 void __user *path; /* user pathname */ 562 __u32 oflags; /* open flags */ 563 void __user *ihandle;/* user supplied handle */ 564 __u32 ihandlen; /* user supplied length */ 565 void __user *ohandle;/* user buffer for handle */ 566 __u32 __user *ohandlen;/* user buffer length */ 567 } xfs_fsop_handlereq_t; 568 569 /* 570 * Compound structures for passing args through Handle Request interfaces 571 * xfs_attrlist_by_handle, xfs_attrmulti_by_handle 572 * - ioctls: XFS_IOC_ATTRLIST_BY_HANDLE, and XFS_IOC_ATTRMULTI_BY_HANDLE 573 */ 574 575 /* 576 * Flags passed in xfs_attr_multiop.am_flags for the attr ioctl interface. 577 * 578 * NOTE: Must match the values declared in libattr without the XFS_IOC_ prefix. 579 */ 580 #define XFS_IOC_ATTR_ROOT 0x0002 /* use attrs in root namespace */ 581 #define XFS_IOC_ATTR_SECURE 0x0008 /* use attrs in security namespace */ 582 #define XFS_IOC_ATTR_CREATE 0x0010 /* fail if attr already exists */ 583 #define XFS_IOC_ATTR_REPLACE 0x0020 /* fail if attr does not exist */ 584 585 typedef struct xfs_attrlist_cursor { 586 __u32 opaque[4]; 587 } xfs_attrlist_cursor_t; 588 589 /* 590 * Define how lists of attribute names are returned to userspace from the 591 * XFS_IOC_ATTRLIST_BY_HANDLE ioctl. struct xfs_attrlist is the header at the 592 * beginning of the returned buffer, and a each entry in al_offset contains the 593 * relative offset of an xfs_attrlist_ent containing the actual entry. 594 * 595 * NOTE: struct xfs_attrlist must match struct attrlist defined in libattr, and 596 * struct xfs_attrlist_ent must match struct attrlist_ent defined in libattr. 597 */ 598 struct xfs_attrlist { 599 __s32 al_count; /* number of entries in attrlist */ 600 __s32 al_more; /* T/F: more attrs (do call again) */ 601 __s32 al_offset[]; /* byte offsets of attrs [var-sized] */ 602 }; 603 604 struct xfs_attrlist_ent { /* data from attr_list() */ 605 __u32 a_valuelen; /* number bytes in value of attr */ 606 char a_name[]; /* attr name (NULL terminated) */ 607 }; 608 609 typedef struct xfs_fsop_attrlist_handlereq { 610 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 611 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 612 __u32 flags; /* which namespace to use */ 613 __u32 buflen; /* length of buffer supplied */ 614 void __user *buffer; /* returned names */ 615 } xfs_fsop_attrlist_handlereq_t; 616 617 typedef struct xfs_attr_multiop { 618 __u32 am_opcode; 619 #define ATTR_OP_GET 1 /* return the indicated attr's value */ 620 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ 621 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ 622 __s32 am_error; 623 void __user *am_attrname; 624 void __user *am_attrvalue; 625 __u32 am_length; 626 __u32 am_flags; /* XFS_IOC_ATTR_* */ 627 } xfs_attr_multiop_t; 628 629 typedef struct xfs_fsop_attrmulti_handlereq { 630 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 631 __u32 opcount;/* count of following multiop */ 632 struct xfs_attr_multiop __user *ops; /* attr_multi data */ 633 } xfs_fsop_attrmulti_handlereq_t; 634 635 /* 636 * per machine unique filesystem identifier types. 637 */ 638 typedef struct xfs_fsid { 639 __u32 val[2]; /* file system id type */ 640 } xfs_fsid_t; 641 642 typedef struct xfs_fid { 643 __u16 fid_len; /* length of remainder */ 644 __u16 fid_pad; 645 __u32 fid_gen; /* generation number */ 646 __u64 fid_ino; /* 64 bits inode number */ 647 } xfs_fid_t; 648 649 typedef struct xfs_handle { 650 union { 651 __s64 align; /* force alignment of ha_fid */ 652 xfs_fsid_t _ha_fsid; /* unique file system identifier */ 653 } ha_u; 654 xfs_fid_t ha_fid; /* file system specific file ID */ 655 } xfs_handle_t; 656 #define ha_fsid ha_u._ha_fsid 657 658 /* 659 * Structure passed to XFS_IOC_SWAPEXT 660 */ 661 typedef struct xfs_swapext 662 { 663 int64_t sx_version; /* version */ 664 #define XFS_SX_VERSION 0 665 int64_t sx_fdtarget; /* fd of target file */ 666 int64_t sx_fdtmp; /* fd of tmp file */ 667 xfs_off_t sx_offset; /* offset into file */ 668 xfs_off_t sx_length; /* leng from offset */ 669 char sx_pad[16]; /* pad space, unused */ 670 struct xfs_bstat sx_stat; /* stat of target b4 copy */ 671 } xfs_swapext_t; 672 673 /* 674 * Flags for going down operation 675 */ 676 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ 677 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ 678 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ 679 680 /* metadata scrubbing */ 681 struct xfs_scrub_metadata { 682 __u32 sm_type; /* What to check? */ 683 __u32 sm_flags; /* flags; see below. */ 684 __u64 sm_ino; /* inode number. */ 685 __u32 sm_gen; /* inode generation. */ 686 __u32 sm_agno; /* ag number. */ 687 __u64 sm_reserved[5]; /* pad to 64 bytes */ 688 }; 689 690 /* 691 * Metadata types and flags for scrub operation. 692 */ 693 694 /* Scrub subcommands. */ 695 #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */ 696 #define XFS_SCRUB_TYPE_SB 1 /* superblock */ 697 #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */ 698 #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */ 699 #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */ 700 #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */ 701 #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */ 702 #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */ 703 #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */ 704 #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */ 705 #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */ 706 #define XFS_SCRUB_TYPE_INODE 11 /* inode record */ 707 #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */ 708 #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */ 709 #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */ 710 #define XFS_SCRUB_TYPE_DIR 15 /* directory */ 711 #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */ 712 #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */ 713 #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */ 714 #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */ 715 #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */ 716 #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */ 717 #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */ 718 #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */ 719 #define XFS_SCRUB_TYPE_FSCOUNTERS 24 /* fs summary counters */ 720 #define XFS_SCRUB_TYPE_QUOTACHECK 25 /* quota counters */ 721 #define XFS_SCRUB_TYPE_NLINKS 26 /* inode link counts */ 722 #define XFS_SCRUB_TYPE_HEALTHY 27 /* everything checked out ok */ 723 #define XFS_SCRUB_TYPE_DIRTREE 28 /* directory tree structure */ 724 725 /* Number of scrub subcommands. */ 726 #define XFS_SCRUB_TYPE_NR 29 727 728 /* 729 * This special type code only applies to the vectored scrub implementation. 730 * 731 * If any of the previous scrub vectors recorded runtime errors or have 732 * sv_flags bits set that match the OFLAG bits in the barrier vector's 733 * sv_flags, set the barrier's sv_ret to -ECANCELED and return to userspace. 734 */ 735 #define XFS_SCRUB_TYPE_BARRIER (0xFFFFFFFF) 736 737 /* i: Repair this metadata. */ 738 #define XFS_SCRUB_IFLAG_REPAIR (1u << 0) 739 740 /* o: Metadata object needs repair. */ 741 #define XFS_SCRUB_OFLAG_CORRUPT (1u << 1) 742 743 /* 744 * o: Metadata object could be optimized. It's not corrupt, but 745 * we could improve on it somehow. 746 */ 747 #define XFS_SCRUB_OFLAG_PREEN (1u << 2) 748 749 /* o: Cross-referencing failed. */ 750 #define XFS_SCRUB_OFLAG_XFAIL (1u << 3) 751 752 /* o: Metadata object disagrees with cross-referenced metadata. */ 753 #define XFS_SCRUB_OFLAG_XCORRUPT (1u << 4) 754 755 /* o: Scan was not complete. */ 756 #define XFS_SCRUB_OFLAG_INCOMPLETE (1u << 5) 757 758 /* o: Metadata object looked funny but isn't corrupt. */ 759 #define XFS_SCRUB_OFLAG_WARNING (1u << 6) 760 761 /* 762 * o: IFLAG_REPAIR was set but metadata object did not need fixing or 763 * optimization and has therefore not been altered. 764 */ 765 #define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1u << 7) 766 767 /* i: Rebuild the data structure. */ 768 #define XFS_SCRUB_IFLAG_FORCE_REBUILD (1u << 8) 769 770 #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR | \ 771 XFS_SCRUB_IFLAG_FORCE_REBUILD) 772 #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \ 773 XFS_SCRUB_OFLAG_PREEN | \ 774 XFS_SCRUB_OFLAG_XFAIL | \ 775 XFS_SCRUB_OFLAG_XCORRUPT | \ 776 XFS_SCRUB_OFLAG_INCOMPLETE | \ 777 XFS_SCRUB_OFLAG_WARNING | \ 778 XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED) 779 #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT) 780 781 /* Vectored scrub calls to reduce the number of kernel transitions. */ 782 783 struct xfs_scrub_vec { 784 __u32 sv_type; /* XFS_SCRUB_TYPE_* */ 785 __u32 sv_flags; /* XFS_SCRUB_FLAGS_* */ 786 __s32 sv_ret; /* 0 or a negative error code */ 787 __u32 sv_reserved; /* must be zero */ 788 }; 789 790 /* Vectored metadata scrub control structure. */ 791 struct xfs_scrub_vec_head { 792 __u64 svh_ino; /* inode number. */ 793 __u32 svh_gen; /* inode generation. */ 794 __u32 svh_agno; /* ag number. */ 795 __u32 svh_flags; /* XFS_SCRUB_VEC_FLAGS_* */ 796 __u16 svh_rest_us; /* wait this much time between vector items */ 797 __u16 svh_nr; /* number of svh_vectors */ 798 __u64 svh_reserved; /* must be zero */ 799 __u64 svh_vectors; /* pointer to buffer of xfs_scrub_vec */ 800 }; 801 802 #define XFS_SCRUB_VEC_FLAGS_ALL (0) 803 804 /* 805 * ioctl limits 806 */ 807 #ifdef XATTR_LIST_MAX 808 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX 809 #else 810 # define XFS_XATTR_LIST_MAX 65536 811 #endif 812 813 /* 814 * Exchange part of file1 with part of the file that this ioctl that is being 815 * called against (which we'll call file2). Filesystems must be able to 816 * restart and complete the operation even after the system goes down. 817 */ 818 struct xfs_exchange_range { 819 __s32 file1_fd; 820 __u32 pad; /* must be zeroes */ 821 __u64 file1_offset; /* file1 offset, bytes */ 822 __u64 file2_offset; /* file2 offset, bytes */ 823 __u64 length; /* bytes to exchange */ 824 825 __u64 flags; /* see XFS_EXCHANGE_RANGE_* below */ 826 }; 827 828 /* 829 * Exchange file data all the way to the ends of both files, and then exchange 830 * the file sizes. This flag can be used to replace a file's contents with a 831 * different amount of data. length will be ignored. 832 */ 833 #define XFS_EXCHANGE_RANGE_TO_EOF (1ULL << 0) 834 835 /* Flush all changes in file data and file metadata to disk before returning. */ 836 #define XFS_EXCHANGE_RANGE_DSYNC (1ULL << 1) 837 838 /* Dry run; do all the parameter verification but do not change anything. */ 839 #define XFS_EXCHANGE_RANGE_DRY_RUN (1ULL << 2) 840 841 /* 842 * Exchange only the parts of the two files where the file allocation units 843 * mapped to file1's range have been written to. This can accelerate 844 * scatter-gather atomic writes with a temp file if all writes are aligned to 845 * the file allocation unit. 846 */ 847 #define XFS_EXCHANGE_RANGE_FILE1_WRITTEN (1ULL << 3) 848 849 #define XFS_EXCHANGE_RANGE_ALL_FLAGS (XFS_EXCHANGE_RANGE_TO_EOF | \ 850 XFS_EXCHANGE_RANGE_DSYNC | \ 851 XFS_EXCHANGE_RANGE_DRY_RUN | \ 852 XFS_EXCHANGE_RANGE_FILE1_WRITTEN) 853 854 /* Iterating parent pointers of files. */ 855 856 /* target was the root directory */ 857 #define XFS_GETPARENTS_OFLAG_ROOT (1U << 0) 858 859 /* Cursor is done iterating pptrs */ 860 #define XFS_GETPARENTS_OFLAG_DONE (1U << 1) 861 862 #define XFS_GETPARENTS_OFLAGS_ALL (XFS_GETPARENTS_OFLAG_ROOT | \ 863 XFS_GETPARENTS_OFLAG_DONE) 864 865 #define XFS_GETPARENTS_IFLAGS_ALL (0) 866 867 struct xfs_getparents_rec { 868 struct xfs_handle gpr_parent; /* Handle to parent */ 869 __u32 gpr_reclen; /* Length of entire record */ 870 __u32 gpr_reserved; /* zero */ 871 char gpr_name[]; /* Null-terminated filename */ 872 }; 873 874 /* Iterate through this file's directory parent pointers */ 875 struct xfs_getparents { 876 /* 877 * Structure to track progress in iterating the parent pointers. 878 * Must be initialized to zeroes before the first ioctl call, and 879 * not touched by callers after that. 880 */ 881 struct xfs_attrlist_cursor gp_cursor; 882 883 /* Input flags: XFS_GETPARENTS_IFLAG* */ 884 __u16 gp_iflags; 885 886 /* Output flags: XFS_GETPARENTS_OFLAG* */ 887 __u16 gp_oflags; 888 889 /* Size of the gp_buffer in bytes */ 890 __u32 gp_bufsize; 891 892 /* Must be set to zero */ 893 __u64 gp_reserved; 894 895 /* Pointer to a buffer in which to place xfs_getparents_rec */ 896 __u64 gp_buffer; 897 }; 898 899 static inline struct xfs_getparents_rec * 900 xfs_getparents_first_rec(struct xfs_getparents *gp) 901 { 902 return (struct xfs_getparents_rec *)(uintptr_t)gp->gp_buffer; 903 } 904 905 static inline struct xfs_getparents_rec * 906 xfs_getparents_next_rec(struct xfs_getparents *gp, 907 struct xfs_getparents_rec *gpr) 908 { 909 void *next = ((void *)gpr + gpr->gpr_reclen); 910 void *end = (void *)(uintptr_t)(gp->gp_buffer + gp->gp_bufsize); 911 912 if (next >= end) 913 return NULL; 914 915 return next; 916 } 917 918 /* Iterate through this file handle's directory parent pointers. */ 919 struct xfs_getparents_by_handle { 920 /* Handle to file whose parents we want. */ 921 struct xfs_handle gph_handle; 922 923 struct xfs_getparents gph_request; 924 }; 925 926 /* 927 * ioctl commands that are used by Linux filesystems 928 */ 929 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS 930 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS 931 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION 932 933 /* 934 * ioctl commands that replace IRIX fcntl()'s 935 * For 'documentation' purposed more than anything else, 936 * the "cmd #" field reflects the IRIX fcntl number. 937 */ 938 /* XFS_IOC_ALLOCSP ------- deprecated 10 */ 939 /* XFS_IOC_FREESP -------- deprecated 11 */ 940 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) 941 #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR 942 #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR 943 /* XFS_IOC_ALLOCSP64 ----- deprecated 36 */ 944 /* XFS_IOC_FREESP64 ------ deprecated 37 */ 945 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) 946 /* XFS_IOC_FSSETDM ------- deprecated 39 */ 947 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) 948 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) 949 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) 950 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) 951 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) 952 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) 953 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ 954 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ 955 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) 956 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) 957 #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) 958 /* XFS_IOC_GETFSMAP ------ hoisted 59 */ 959 #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata) 960 #define XFS_IOC_AG_GEOMETRY _IOWR('X', 61, struct xfs_ag_geometry) 961 #define XFS_IOC_GETPARENTS _IOWR('X', 62, struct xfs_getparents) 962 #define XFS_IOC_GETPARENTS_BY_HANDLE _IOWR('X', 63, struct xfs_getparents_by_handle) 963 #define XFS_IOC_SCRUBV_METADATA _IOWR('X', 64, struct xfs_scrub_vec_head) 964 965 /* 966 * ioctl commands that replace IRIX syssgi()'s 967 */ 968 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) 969 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) 970 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) 971 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) 972 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) 973 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) 974 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) 975 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) 976 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) 977 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) 978 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) 979 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) 980 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) 981 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) 982 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) 983 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) 984 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) 985 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) 986 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ 987 988 #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ 989 #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ 990 991 /* XFS_IOC_FSSETDM_BY_HANDLE -- deprecated 121 */ 992 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) 993 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) 994 #define XFS_IOC_FSGEOMETRY_V4 _IOR ('X', 124, struct xfs_fsop_geom_v4) 995 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t) 996 #define XFS_IOC_FSGEOMETRY _IOR ('X', 126, struct xfs_fsop_geom) 997 #define XFS_IOC_BULKSTAT _IOR ('X', 127, struct xfs_bulkstat_req) 998 #define XFS_IOC_INUMBERS _IOR ('X', 128, struct xfs_inumbers_req) 999 #define XFS_IOC_EXCHANGE_RANGE _IOWR('X', 129, struct xfs_exchange_range) 1000 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ 1001 1002 1003 #ifndef HAVE_BBMACROS 1004 /* 1005 * Block I/O parameterization. A basic block (BB) is the lowest size of 1006 * filesystem allocation, and must equal 512. Length units given to bio 1007 * routines are in BB's. 1008 */ 1009 #define BBSHIFT 9 1010 #define BBSIZE (1<<BBSHIFT) 1011 #define BBMASK (BBSIZE-1) 1012 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) 1013 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) 1014 #define BBTOB(bbs) ((bbs) << BBSHIFT) 1015 #endif 1016 1017 #endif /* __XFS_FS_H__ */ 1018