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 /* fmr_owner special values for FS_IOC_GETFSMAP */ 96 #define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */ 97 #define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */ 98 #define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */ 99 #define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */ 100 #define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */ 101 #define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */ 102 #define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */ 103 #define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */ 104 #define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */ 105 #define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */ 106 107 /* 108 * Structure for XFS_IOC_FSSETDM. 109 * For use by backup and restore programs to set the XFS on-disk inode 110 * fields di_dmevmask and di_dmstate. These must be set to exactly and 111 * only values previously obtained via xfs_bulkstat! (Specifically the 112 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) 113 */ 114 #ifndef HAVE_FSDMIDATA 115 struct fsdmidata { 116 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ 117 __u16 fsd_padding; 118 __u16 fsd_dmstate; /* corresponds to di_dmstate */ 119 }; 120 #endif 121 122 /* 123 * File segment locking set data type for 64 bit access. 124 * Also used for all the RESV/FREE interfaces. 125 */ 126 typedef struct xfs_flock64 { 127 __s16 l_type; 128 __s16 l_whence; 129 __s64 l_start; 130 __s64 l_len; /* len == 0 means until end of file */ 131 __s32 l_sysid; 132 __u32 l_pid; 133 __s32 l_pad[4]; /* reserve area */ 134 } xfs_flock64_t; 135 136 /* 137 * Output for XFS_IOC_FSGEOMETRY_V1 138 */ 139 typedef struct xfs_fsop_geom_v1 { 140 __u32 blocksize; /* filesystem (data) block size */ 141 __u32 rtextsize; /* realtime extent size */ 142 __u32 agblocks; /* fsblocks in an AG */ 143 __u32 agcount; /* number of allocation groups */ 144 __u32 logblocks; /* fsblocks in the log */ 145 __u32 sectsize; /* (data) sector size, bytes */ 146 __u32 inodesize; /* inode size in bytes */ 147 __u32 imaxpct; /* max allowed inode space(%) */ 148 __u64 datablocks; /* fsblocks in data subvolume */ 149 __u64 rtblocks; /* fsblocks in realtime subvol */ 150 __u64 rtextents; /* rt extents in realtime subvol*/ 151 __u64 logstart; /* starting fsblock of the log */ 152 unsigned char uuid[16]; /* unique id of the filesystem */ 153 __u32 sunit; /* stripe unit, fsblocks */ 154 __u32 swidth; /* stripe width, fsblocks */ 155 __s32 version; /* structure version */ 156 __u32 flags; /* superblock version flags */ 157 __u32 logsectsize; /* log sector size, bytes */ 158 __u32 rtsectsize; /* realtime sector size, bytes */ 159 __u32 dirblocksize; /* directory block size, bytes */ 160 } xfs_fsop_geom_v1_t; 161 162 /* 163 * Output for XFS_IOC_FSGEOMETRY 164 */ 165 typedef 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 } xfs_fsop_geom_t; 188 189 /* Output for XFS_FS_COUNTS */ 190 typedef struct xfs_fsop_counts { 191 __u64 freedata; /* free data section blocks */ 192 __u64 freertx; /* free rt extents */ 193 __u64 freeino; /* free inodes */ 194 __u64 allocino; /* total allocated inodes */ 195 } xfs_fsop_counts_t; 196 197 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ 198 typedef struct xfs_fsop_resblks { 199 __u64 resblks; 200 __u64 resblks_avail; 201 } xfs_fsop_resblks_t; 202 203 #define XFS_FSOP_GEOM_VERSION 0 204 205 #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ 206 #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ 207 #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ 208 #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ 209 #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ 210 #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ 211 #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ 212 #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ 213 #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ 214 #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ 215 #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */ 216 #define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */ 217 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */ 218 #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ 219 #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */ 220 #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ 221 #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ 222 #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ 223 #define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */ 224 #define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */ 225 226 /* 227 * Minimum and maximum sizes need for growth checks. 228 * 229 * Block counts are in units of filesystem blocks, not basic blocks. 230 */ 231 #define XFS_MIN_AG_BLOCKS 64 232 #define XFS_MIN_LOG_BLOCKS 512ULL 233 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) 234 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) 235 236 /* 237 * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than 238 * 16MB or larger than 1TB. 239 */ 240 #define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */ 241 #define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */ 242 243 /* keep the maximum size under 2^31 by a small amount */ 244 #define XFS_MAX_LOG_BYTES \ 245 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) 246 247 /* Used for sanity checks on superblock */ 248 #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) 249 #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ 250 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) 251 252 /* 253 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT 254 */ 255 typedef struct xfs_growfs_data { 256 __u64 newblocks; /* new data subvol size, fsblocks */ 257 __u32 imaxpct; /* new inode space percentage limit */ 258 } xfs_growfs_data_t; 259 260 typedef struct xfs_growfs_log { 261 __u32 newblocks; /* new log size, fsblocks */ 262 __u32 isint; /* 1 if new log is internal */ 263 } xfs_growfs_log_t; 264 265 typedef struct xfs_growfs_rt { 266 __u64 newblocks; /* new realtime size, fsblocks */ 267 __u32 extsize; /* new realtime extent size, fsblocks */ 268 } xfs_growfs_rt_t; 269 270 271 /* 272 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE 273 */ 274 typedef struct xfs_bstime { 275 time_t tv_sec; /* seconds */ 276 __s32 tv_nsec; /* and nanoseconds */ 277 } xfs_bstime_t; 278 279 typedef struct xfs_bstat { 280 __u64 bs_ino; /* inode number */ 281 __u16 bs_mode; /* type and mode */ 282 __u16 bs_nlink; /* number of links */ 283 __u32 bs_uid; /* user id */ 284 __u32 bs_gid; /* group id */ 285 __u32 bs_rdev; /* device value */ 286 __s32 bs_blksize; /* block size */ 287 __s64 bs_size; /* file size */ 288 xfs_bstime_t bs_atime; /* access time */ 289 xfs_bstime_t bs_mtime; /* modify time */ 290 xfs_bstime_t bs_ctime; /* inode change time */ 291 int64_t bs_blocks; /* number of blocks */ 292 __u32 bs_xflags; /* extended flags */ 293 __s32 bs_extsize; /* extent size */ 294 __s32 bs_extents; /* number of extents */ 295 __u32 bs_gen; /* generation count */ 296 __u16 bs_projid_lo; /* lower part of project id */ 297 #define bs_projid bs_projid_lo /* (previously just bs_projid) */ 298 __u16 bs_forkoff; /* inode fork offset in bytes */ 299 __u16 bs_projid_hi; /* higher part of project id */ 300 unsigned char bs_pad[6]; /* pad space, unused */ 301 __u32 bs_cowextsize; /* cow extent size */ 302 __u32 bs_dmevmask; /* DMIG event mask */ 303 __u16 bs_dmstate; /* DMIG state info */ 304 __u16 bs_aextents; /* attribute number of extents */ 305 } xfs_bstat_t; 306 307 /* 308 * Project quota id helpers (previously projid was 16bit only 309 * and using two 16bit values to hold new 32bit projid was choosen 310 * to retain compatibility with "old" filesystems). 311 */ 312 static inline uint32_t 313 bstat_get_projid(struct xfs_bstat *bs) 314 { 315 return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; 316 } 317 318 /* 319 * The user-level BulkStat Request interface structure. 320 */ 321 typedef struct xfs_fsop_bulkreq { 322 __u64 __user *lastip; /* last inode # pointer */ 323 __s32 icount; /* count of entries in buffer */ 324 void __user *ubuffer;/* user buffer for inode desc. */ 325 __s32 __user *ocount; /* output count pointer */ 326 } xfs_fsop_bulkreq_t; 327 328 329 /* 330 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). 331 */ 332 typedef struct xfs_inogrp { 333 __u64 xi_startino; /* starting inode number */ 334 __s32 xi_alloccount; /* # bits set in allocmask */ 335 __u64 xi_allocmask; /* mask of allocated inodes */ 336 } xfs_inogrp_t; 337 338 339 /* 340 * Error injection. 341 */ 342 typedef struct xfs_error_injection { 343 __s32 fd; 344 __s32 errtag; 345 } xfs_error_injection_t; 346 347 348 /* 349 * Speculative preallocation trimming. 350 */ 351 #define XFS_EOFBLOCKS_VERSION 1 352 struct xfs_fs_eofblocks { 353 __u32 eof_version; 354 __u32 eof_flags; 355 uid_t eof_uid; 356 gid_t eof_gid; 357 prid_t eof_prid; 358 __u32 pad32; 359 __u64 eof_min_file_size; 360 __u64 pad64[12]; 361 }; 362 363 /* eof_flags values */ 364 #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ 365 #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ 366 #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ 367 #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ 368 #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ 369 #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; 370 * kernel only, not included in 371 * valid mask */ 372 #define XFS_EOF_FLAGS_VALID \ 373 (XFS_EOF_FLAGS_SYNC | \ 374 XFS_EOF_FLAGS_UID | \ 375 XFS_EOF_FLAGS_GID | \ 376 XFS_EOF_FLAGS_PRID | \ 377 XFS_EOF_FLAGS_MINFILESIZE) 378 379 380 /* 381 * The user-level Handle Request interface structure. 382 */ 383 typedef struct xfs_fsop_handlereq { 384 __u32 fd; /* fd for FD_TO_HANDLE */ 385 void __user *path; /* user pathname */ 386 __u32 oflags; /* open flags */ 387 void __user *ihandle;/* user supplied handle */ 388 __u32 ihandlen; /* user supplied length */ 389 void __user *ohandle;/* user buffer for handle */ 390 __u32 __user *ohandlen;/* user buffer length */ 391 } xfs_fsop_handlereq_t; 392 393 /* 394 * Compound structures for passing args through Handle Request interfaces 395 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle 396 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and 397 * XFS_IOC_ATTRMULTI_BY_HANDLE 398 */ 399 400 typedef struct xfs_fsop_setdm_handlereq { 401 struct xfs_fsop_handlereq hreq; /* handle information */ 402 struct fsdmidata __user *data; /* DMAPI data */ 403 } xfs_fsop_setdm_handlereq_t; 404 405 typedef struct xfs_attrlist_cursor { 406 __u32 opaque[4]; 407 } xfs_attrlist_cursor_t; 408 409 typedef struct xfs_fsop_attrlist_handlereq { 410 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 411 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 412 __u32 flags; /* which namespace to use */ 413 __u32 buflen; /* length of buffer supplied */ 414 void __user *buffer; /* returned names */ 415 } xfs_fsop_attrlist_handlereq_t; 416 417 typedef struct xfs_attr_multiop { 418 __u32 am_opcode; 419 #define ATTR_OP_GET 1 /* return the indicated attr's value */ 420 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ 421 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ 422 __s32 am_error; 423 void __user *am_attrname; 424 void __user *am_attrvalue; 425 __u32 am_length; 426 __u32 am_flags; 427 } xfs_attr_multiop_t; 428 429 typedef struct xfs_fsop_attrmulti_handlereq { 430 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 431 __u32 opcount;/* count of following multiop */ 432 struct xfs_attr_multiop __user *ops; /* attr_multi data */ 433 } xfs_fsop_attrmulti_handlereq_t; 434 435 /* 436 * per machine unique filesystem identifier types. 437 */ 438 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ 439 440 typedef struct xfs_fid { 441 __u16 fid_len; /* length of remainder */ 442 __u16 fid_pad; 443 __u32 fid_gen; /* generation number */ 444 __u64 fid_ino; /* 64 bits inode number */ 445 } xfs_fid_t; 446 447 typedef struct xfs_handle { 448 union { 449 __s64 align; /* force alignment of ha_fid */ 450 xfs_fsid_t _ha_fsid; /* unique file system identifier */ 451 } ha_u; 452 xfs_fid_t ha_fid; /* file system specific file ID */ 453 } xfs_handle_t; 454 #define ha_fsid ha_u._ha_fsid 455 456 /* 457 * Structure passed to XFS_IOC_SWAPEXT 458 */ 459 typedef struct xfs_swapext 460 { 461 int64_t sx_version; /* version */ 462 #define XFS_SX_VERSION 0 463 int64_t sx_fdtarget; /* fd of target file */ 464 int64_t sx_fdtmp; /* fd of tmp file */ 465 xfs_off_t sx_offset; /* offset into file */ 466 xfs_off_t sx_length; /* leng from offset */ 467 char sx_pad[16]; /* pad space, unused */ 468 xfs_bstat_t sx_stat; /* stat of target b4 copy */ 469 } xfs_swapext_t; 470 471 /* 472 * Flags for going down operation 473 */ 474 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ 475 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ 476 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ 477 478 /* metadata scrubbing */ 479 struct xfs_scrub_metadata { 480 __u32 sm_type; /* What to check? */ 481 __u32 sm_flags; /* flags; see below. */ 482 __u64 sm_ino; /* inode number. */ 483 __u32 sm_gen; /* inode generation. */ 484 __u32 sm_agno; /* ag number. */ 485 __u64 sm_reserved[5]; /* pad to 64 bytes */ 486 }; 487 488 /* 489 * Metadata types and flags for scrub operation. 490 */ 491 492 /* Scrub subcommands. */ 493 #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */ 494 #define XFS_SCRUB_TYPE_SB 1 /* superblock */ 495 #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */ 496 #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */ 497 #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */ 498 #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */ 499 #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */ 500 #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */ 501 #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */ 502 #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */ 503 #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */ 504 #define XFS_SCRUB_TYPE_INODE 11 /* inode record */ 505 #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */ 506 #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */ 507 #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */ 508 #define XFS_SCRUB_TYPE_DIR 15 /* directory */ 509 #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */ 510 #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */ 511 #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */ 512 #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */ 513 #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */ 514 #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */ 515 #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */ 516 #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */ 517 518 /* Number of scrub subcommands. */ 519 #define XFS_SCRUB_TYPE_NR 24 520 521 /* i: Repair this metadata. */ 522 #define XFS_SCRUB_IFLAG_REPAIR (1 << 0) 523 524 /* o: Metadata object needs repair. */ 525 #define XFS_SCRUB_OFLAG_CORRUPT (1 << 1) 526 527 /* 528 * o: Metadata object could be optimized. It's not corrupt, but 529 * we could improve on it somehow. 530 */ 531 #define XFS_SCRUB_OFLAG_PREEN (1 << 2) 532 533 /* o: Cross-referencing failed. */ 534 #define XFS_SCRUB_OFLAG_XFAIL (1 << 3) 535 536 /* o: Metadata object disagrees with cross-referenced metadata. */ 537 #define XFS_SCRUB_OFLAG_XCORRUPT (1 << 4) 538 539 /* o: Scan was not complete. */ 540 #define XFS_SCRUB_OFLAG_INCOMPLETE (1 << 5) 541 542 /* o: Metadata object looked funny but isn't corrupt. */ 543 #define XFS_SCRUB_OFLAG_WARNING (1 << 6) 544 545 #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR) 546 #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \ 547 XFS_SCRUB_OFLAG_PREEN | \ 548 XFS_SCRUB_OFLAG_XFAIL | \ 549 XFS_SCRUB_OFLAG_XCORRUPT | \ 550 XFS_SCRUB_OFLAG_INCOMPLETE | \ 551 XFS_SCRUB_OFLAG_WARNING) 552 #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT) 553 554 /* 555 * ioctl limits 556 */ 557 #ifdef XATTR_LIST_MAX 558 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX 559 #else 560 # define XFS_XATTR_LIST_MAX 65536 561 #endif 562 563 564 /* 565 * ioctl commands that are used by Linux filesystems 566 */ 567 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS 568 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS 569 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION 570 571 /* 572 * ioctl commands that replace IRIX fcntl()'s 573 * For 'documentation' purposed more than anything else, 574 * the "cmd #" field reflects the IRIX fcntl number. 575 */ 576 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) 577 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) 578 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) 579 #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR 580 #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR 581 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) 582 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) 583 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) 584 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) 585 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) 586 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) 587 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) 588 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) 589 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) 590 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) 591 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ 592 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ 593 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) 594 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) 595 #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) 596 /* XFS_IOC_GETFSMAP ------ hoisted 59 */ 597 #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata) 598 599 /* 600 * ioctl commands that replace IRIX syssgi()'s 601 */ 602 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) 603 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) 604 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) 605 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) 606 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) 607 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) 608 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) 609 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) 610 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) 611 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) 612 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) 613 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) 614 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) 615 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) 616 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) 617 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) 618 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) 619 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) 620 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ 621 622 #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ 623 #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ 624 625 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) 626 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) 627 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) 628 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) 629 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t) 630 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ 631 632 633 #ifndef HAVE_BBMACROS 634 /* 635 * Block I/O parameterization. A basic block (BB) is the lowest size of 636 * filesystem allocation, and must equal 512. Length units given to bio 637 * routines are in BB's. 638 */ 639 #define BBSHIFT 9 640 #define BBSIZE (1<<BBSHIFT) 641 #define BBMASK (BBSIZE-1) 642 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) 643 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) 644 #define BBTOB(bbs) ((bbs) << BBSHIFT) 645 #endif 646 647 #endif /* __XFS_FS_H__ */ 648