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 /* Do not generate DMAPI read event */ 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 * 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 /* 225 * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than 226 * 16MB or larger than 1TB. 227 */ 228 #define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */ 229 #define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */ 230 231 /* keep the maximum size under 2^31 by a small amount */ 232 #define XFS_MAX_LOG_BYTES \ 233 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) 234 235 /* Used for sanity checks on superblock */ 236 #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) 237 #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ 238 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) 239 240 /* 241 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT 242 */ 243 typedef struct xfs_growfs_data { 244 __u64 newblocks; /* new data subvol size, fsblocks */ 245 __u32 imaxpct; /* new inode space percentage limit */ 246 } xfs_growfs_data_t; 247 248 typedef struct xfs_growfs_log { 249 __u32 newblocks; /* new log size, fsblocks */ 250 __u32 isint; /* 1 if new log is internal */ 251 } xfs_growfs_log_t; 252 253 typedef struct xfs_growfs_rt { 254 __u64 newblocks; /* new realtime size, fsblocks */ 255 __u32 extsize; /* new realtime extent size, fsblocks */ 256 } xfs_growfs_rt_t; 257 258 259 /* 260 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE 261 */ 262 typedef struct xfs_bstime { 263 time_t tv_sec; /* seconds */ 264 __s32 tv_nsec; /* and nanoseconds */ 265 } xfs_bstime_t; 266 267 typedef struct xfs_bstat { 268 __u64 bs_ino; /* inode number */ 269 __u16 bs_mode; /* type and mode */ 270 __u16 bs_nlink; /* number of links */ 271 __u32 bs_uid; /* user id */ 272 __u32 bs_gid; /* group id */ 273 __u32 bs_rdev; /* device value */ 274 __s32 bs_blksize; /* block size */ 275 __s64 bs_size; /* file size */ 276 xfs_bstime_t bs_atime; /* access time */ 277 xfs_bstime_t bs_mtime; /* modify time */ 278 xfs_bstime_t bs_ctime; /* inode change time */ 279 int64_t bs_blocks; /* number of blocks */ 280 __u32 bs_xflags; /* extended flags */ 281 __s32 bs_extsize; /* extent size */ 282 __s32 bs_extents; /* number of extents */ 283 __u32 bs_gen; /* generation count */ 284 __u16 bs_projid_lo; /* lower part of project id */ 285 #define bs_projid bs_projid_lo /* (previously just bs_projid) */ 286 __u16 bs_forkoff; /* inode fork offset in bytes */ 287 __u16 bs_projid_hi; /* higher part of project id */ 288 unsigned char bs_pad[6]; /* pad space, unused */ 289 __u32 bs_cowextsize; /* cow extent size */ 290 __u32 bs_dmevmask; /* DMIG event mask */ 291 __u16 bs_dmstate; /* DMIG state info */ 292 __u16 bs_aextents; /* attribute number of extents */ 293 } xfs_bstat_t; 294 295 /* 296 * Project quota id helpers (previously projid was 16bit only 297 * and using two 16bit values to hold new 32bit projid was choosen 298 * to retain compatibility with "old" filesystems). 299 */ 300 static inline uint32_t 301 bstat_get_projid(struct xfs_bstat *bs) 302 { 303 return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; 304 } 305 306 /* 307 * The user-level BulkStat Request interface structure. 308 */ 309 typedef struct xfs_fsop_bulkreq { 310 __u64 __user *lastip; /* last inode # pointer */ 311 __s32 icount; /* count of entries in buffer */ 312 void __user *ubuffer;/* user buffer for inode desc. */ 313 __s32 __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 __u64 xi_startino; /* starting inode number */ 322 __s32 xi_alloccount; /* # bits set in allocmask */ 323 __u64 xi_allocmask; /* mask of allocated inodes */ 324 } xfs_inogrp_t; 325 326 327 /* 328 * Error injection. 329 */ 330 typedef struct xfs_error_injection { 331 __s32 fd; 332 __s32 errtag; 333 } xfs_error_injection_t; 334 335 336 /* 337 * Speculative preallocation trimming. 338 */ 339 #define XFS_EOFBLOCKS_VERSION 1 340 struct xfs_fs_eofblocks { 341 __u32 eof_version; 342 __u32 eof_flags; 343 uid_t eof_uid; 344 gid_t eof_gid; 345 prid_t eof_prid; 346 __u32 pad32; 347 __u64 eof_min_file_size; 348 __u64 pad64[12]; 349 }; 350 351 /* eof_flags values */ 352 #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ 353 #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ 354 #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ 355 #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ 356 #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ 357 #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; 358 * kernel only, not included in 359 * valid mask */ 360 #define XFS_EOF_FLAGS_VALID \ 361 (XFS_EOF_FLAGS_SYNC | \ 362 XFS_EOF_FLAGS_UID | \ 363 XFS_EOF_FLAGS_GID | \ 364 XFS_EOF_FLAGS_PRID | \ 365 XFS_EOF_FLAGS_MINFILESIZE) 366 367 368 /* 369 * The user-level Handle Request interface structure. 370 */ 371 typedef struct xfs_fsop_handlereq { 372 __u32 fd; /* fd for FD_TO_HANDLE */ 373 void __user *path; /* user pathname */ 374 __u32 oflags; /* open flags */ 375 void __user *ihandle;/* user supplied handle */ 376 __u32 ihandlen; /* user supplied length */ 377 void __user *ohandle;/* user buffer for handle */ 378 __u32 __user *ohandlen;/* user buffer length */ 379 } xfs_fsop_handlereq_t; 380 381 /* 382 * Compound structures for passing args through Handle Request interfaces 383 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle 384 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and 385 * XFS_IOC_ATTRMULTI_BY_HANDLE 386 */ 387 388 typedef struct xfs_fsop_setdm_handlereq { 389 struct xfs_fsop_handlereq hreq; /* handle information */ 390 struct fsdmidata __user *data; /* DMAPI data */ 391 } xfs_fsop_setdm_handlereq_t; 392 393 typedef struct xfs_attrlist_cursor { 394 __u32 opaque[4]; 395 } xfs_attrlist_cursor_t; 396 397 typedef struct xfs_fsop_attrlist_handlereq { 398 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 399 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 400 __u32 flags; /* which namespace to use */ 401 __u32 buflen; /* length of buffer supplied */ 402 void __user *buffer; /* returned names */ 403 } xfs_fsop_attrlist_handlereq_t; 404 405 typedef struct xfs_attr_multiop { 406 __u32 am_opcode; 407 #define ATTR_OP_GET 1 /* return the indicated attr's value */ 408 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ 409 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ 410 __s32 am_error; 411 void __user *am_attrname; 412 void __user *am_attrvalue; 413 __u32 am_length; 414 __u32 am_flags; 415 } xfs_attr_multiop_t; 416 417 typedef struct xfs_fsop_attrmulti_handlereq { 418 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 419 __u32 opcount;/* count of following multiop */ 420 struct xfs_attr_multiop __user *ops; /* attr_multi data */ 421 } xfs_fsop_attrmulti_handlereq_t; 422 423 /* 424 * per machine unique filesystem identifier types. 425 */ 426 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ 427 428 typedef struct xfs_fid { 429 __u16 fid_len; /* length of remainder */ 430 __u16 fid_pad; 431 __u32 fid_gen; /* generation number */ 432 __u64 fid_ino; /* 64 bits inode number */ 433 } xfs_fid_t; 434 435 typedef struct xfs_handle { 436 union { 437 __s64 align; /* force alignment of ha_fid */ 438 xfs_fsid_t _ha_fsid; /* unique file system identifier */ 439 } ha_u; 440 xfs_fid_t ha_fid; /* file system specific file ID */ 441 } xfs_handle_t; 442 #define ha_fsid ha_u._ha_fsid 443 444 /* 445 * Structure passed to XFS_IOC_SWAPEXT 446 */ 447 typedef struct xfs_swapext 448 { 449 int64_t sx_version; /* version */ 450 #define XFS_SX_VERSION 0 451 int64_t sx_fdtarget; /* fd of target file */ 452 int64_t sx_fdtmp; /* fd of tmp file */ 453 xfs_off_t sx_offset; /* offset into file */ 454 xfs_off_t sx_length; /* leng from offset */ 455 char sx_pad[16]; /* pad space, unused */ 456 xfs_bstat_t sx_stat; /* stat of target b4 copy */ 457 } xfs_swapext_t; 458 459 /* 460 * Flags for going down operation 461 */ 462 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ 463 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ 464 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ 465 466 /* metadata scrubbing */ 467 struct xfs_scrub_metadata { 468 __u32 sm_type; /* What to check? */ 469 __u32 sm_flags; /* flags; see below. */ 470 __u64 sm_ino; /* inode number. */ 471 __u32 sm_gen; /* inode generation. */ 472 __u32 sm_agno; /* ag number. */ 473 __u64 sm_reserved[5]; /* pad to 64 bytes */ 474 }; 475 476 /* 477 * Metadata types and flags for scrub operation. 478 */ 479 480 /* Scrub subcommands. */ 481 #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */ 482 #define XFS_SCRUB_TYPE_SB 1 /* superblock */ 483 #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */ 484 #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */ 485 #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */ 486 #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */ 487 #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */ 488 #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */ 489 #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */ 490 #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */ 491 #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */ 492 #define XFS_SCRUB_TYPE_INODE 11 /* inode record */ 493 #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */ 494 #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */ 495 #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */ 496 #define XFS_SCRUB_TYPE_DIR 15 /* directory */ 497 #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */ 498 #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */ 499 #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */ 500 #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */ 501 #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */ 502 #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */ 503 #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */ 504 #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */ 505 506 /* Number of scrub subcommands. */ 507 #define XFS_SCRUB_TYPE_NR 24 508 509 /* i: Repair this metadata. */ 510 #define XFS_SCRUB_IFLAG_REPAIR (1 << 0) 511 512 /* o: Metadata object needs repair. */ 513 #define XFS_SCRUB_OFLAG_CORRUPT (1 << 1) 514 515 /* 516 * o: Metadata object could be optimized. It's not corrupt, but 517 * we could improve on it somehow. 518 */ 519 #define XFS_SCRUB_OFLAG_PREEN (1 << 2) 520 521 /* o: Cross-referencing failed. */ 522 #define XFS_SCRUB_OFLAG_XFAIL (1 << 3) 523 524 /* o: Metadata object disagrees with cross-referenced metadata. */ 525 #define XFS_SCRUB_OFLAG_XCORRUPT (1 << 4) 526 527 /* o: Scan was not complete. */ 528 #define XFS_SCRUB_OFLAG_INCOMPLETE (1 << 5) 529 530 /* o: Metadata object looked funny but isn't corrupt. */ 531 #define XFS_SCRUB_OFLAG_WARNING (1 << 6) 532 533 /* 534 * o: IFLAG_REPAIR was set but metadata object did not need fixing or 535 * optimization and has therefore not been altered. 536 */ 537 #define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1 << 7) 538 539 #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR) 540 #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \ 541 XFS_SCRUB_OFLAG_PREEN | \ 542 XFS_SCRUB_OFLAG_XFAIL | \ 543 XFS_SCRUB_OFLAG_XCORRUPT | \ 544 XFS_SCRUB_OFLAG_INCOMPLETE | \ 545 XFS_SCRUB_OFLAG_WARNING | \ 546 XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED) 547 #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT) 548 549 /* 550 * ioctl limits 551 */ 552 #ifdef XATTR_LIST_MAX 553 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX 554 #else 555 # define XFS_XATTR_LIST_MAX 65536 556 #endif 557 558 559 /* 560 * ioctl commands that are used by Linux filesystems 561 */ 562 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS 563 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS 564 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION 565 566 /* 567 * ioctl commands that replace IRIX fcntl()'s 568 * For 'documentation' purposed more than anything else, 569 * the "cmd #" field reflects the IRIX fcntl number. 570 */ 571 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) 572 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) 573 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) 574 #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR 575 #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR 576 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) 577 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) 578 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) 579 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) 580 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) 581 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) 582 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) 583 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) 584 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) 585 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) 586 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ 587 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ 588 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) 589 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) 590 #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) 591 /* XFS_IOC_GETFSMAP ------ hoisted 59 */ 592 #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata) 593 594 /* 595 * ioctl commands that replace IRIX syssgi()'s 596 */ 597 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) 598 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) 599 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) 600 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) 601 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) 602 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) 603 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) 604 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) 605 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) 606 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) 607 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) 608 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) 609 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) 610 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) 611 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) 612 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) 613 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) 614 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) 615 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ 616 617 #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ 618 #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ 619 620 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) 621 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) 622 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) 623 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) 624 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t) 625 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ 626 627 628 #ifndef HAVE_BBMACROS 629 /* 630 * Block I/O parameterization. A basic block (BB) is the lowest size of 631 * filesystem allocation, and must equal 512. Length units given to bio 632 * routines are in BB's. 633 */ 634 #define BBSHIFT 9 635 #define BBSIZE (1<<BBSHIFT) 636 #define BBMASK (BBSIZE-1) 637 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) 638 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) 639 #define BBTOB(bbs) ((bbs) << BBSHIFT) 640 #endif 641 642 #endif /* __XFS_FS_H__ */ 643