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 /* keep the maximum size under 2^31 by a small amount */ 237 #define XFS_MAX_LOG_BYTES \ 238 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) 239 240 /* Used for sanity checks on superblock */ 241 #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) 242 #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ 243 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) 244 245 /* 246 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT 247 */ 248 typedef struct xfs_growfs_data { 249 __u64 newblocks; /* new data subvol size, fsblocks */ 250 __u32 imaxpct; /* new inode space percentage limit */ 251 } xfs_growfs_data_t; 252 253 typedef struct xfs_growfs_log { 254 __u32 newblocks; /* new log size, fsblocks */ 255 __u32 isint; /* 1 if new log is internal */ 256 } xfs_growfs_log_t; 257 258 typedef struct xfs_growfs_rt { 259 __u64 newblocks; /* new realtime size, fsblocks */ 260 __u32 extsize; /* new realtime extent size, fsblocks */ 261 } xfs_growfs_rt_t; 262 263 264 /* 265 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE 266 */ 267 typedef struct xfs_bstime { 268 time_t tv_sec; /* seconds */ 269 __s32 tv_nsec; /* and nanoseconds */ 270 } xfs_bstime_t; 271 272 typedef struct xfs_bstat { 273 __u64 bs_ino; /* inode number */ 274 __u16 bs_mode; /* type and mode */ 275 __u16 bs_nlink; /* number of links */ 276 __u32 bs_uid; /* user id */ 277 __u32 bs_gid; /* group id */ 278 __u32 bs_rdev; /* device value */ 279 __s32 bs_blksize; /* block size */ 280 __s64 bs_size; /* file size */ 281 xfs_bstime_t bs_atime; /* access time */ 282 xfs_bstime_t bs_mtime; /* modify time */ 283 xfs_bstime_t bs_ctime; /* inode change time */ 284 int64_t bs_blocks; /* number of blocks */ 285 __u32 bs_xflags; /* extended flags */ 286 __s32 bs_extsize; /* extent size */ 287 __s32 bs_extents; /* number of extents */ 288 __u32 bs_gen; /* generation count */ 289 __u16 bs_projid_lo; /* lower part of project id */ 290 #define bs_projid bs_projid_lo /* (previously just bs_projid) */ 291 __u16 bs_forkoff; /* inode fork offset in bytes */ 292 __u16 bs_projid_hi; /* higher part of project id */ 293 unsigned char bs_pad[6]; /* pad space, unused */ 294 __u32 bs_cowextsize; /* cow extent size */ 295 __u32 bs_dmevmask; /* DMIG event mask */ 296 __u16 bs_dmstate; /* DMIG state info */ 297 __u16 bs_aextents; /* attribute number of extents */ 298 } xfs_bstat_t; 299 300 /* 301 * Project quota id helpers (previously projid was 16bit only 302 * and using two 16bit values to hold new 32bit projid was choosen 303 * to retain compatibility with "old" filesystems). 304 */ 305 static inline uint32_t 306 bstat_get_projid(struct xfs_bstat *bs) 307 { 308 return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; 309 } 310 311 /* 312 * The user-level BulkStat Request interface structure. 313 */ 314 typedef struct xfs_fsop_bulkreq { 315 __u64 __user *lastip; /* last inode # pointer */ 316 __s32 icount; /* count of entries in buffer */ 317 void __user *ubuffer;/* user buffer for inode desc. */ 318 __s32 __user *ocount; /* output count pointer */ 319 } xfs_fsop_bulkreq_t; 320 321 322 /* 323 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). 324 */ 325 typedef struct xfs_inogrp { 326 __u64 xi_startino; /* starting inode number */ 327 __s32 xi_alloccount; /* # bits set in allocmask */ 328 __u64 xi_allocmask; /* mask of allocated inodes */ 329 } xfs_inogrp_t; 330 331 332 /* 333 * Error injection. 334 */ 335 typedef struct xfs_error_injection { 336 __s32 fd; 337 __s32 errtag; 338 } xfs_error_injection_t; 339 340 341 /* 342 * Speculative preallocation trimming. 343 */ 344 #define XFS_EOFBLOCKS_VERSION 1 345 struct xfs_fs_eofblocks { 346 __u32 eof_version; 347 __u32 eof_flags; 348 uid_t eof_uid; 349 gid_t eof_gid; 350 prid_t eof_prid; 351 __u32 pad32; 352 __u64 eof_min_file_size; 353 __u64 pad64[12]; 354 }; 355 356 /* eof_flags values */ 357 #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ 358 #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ 359 #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ 360 #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ 361 #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ 362 #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; 363 * kernel only, not included in 364 * valid mask */ 365 #define XFS_EOF_FLAGS_VALID \ 366 (XFS_EOF_FLAGS_SYNC | \ 367 XFS_EOF_FLAGS_UID | \ 368 XFS_EOF_FLAGS_GID | \ 369 XFS_EOF_FLAGS_PRID | \ 370 XFS_EOF_FLAGS_MINFILESIZE) 371 372 373 /* 374 * The user-level Handle Request interface structure. 375 */ 376 typedef struct xfs_fsop_handlereq { 377 __u32 fd; /* fd for FD_TO_HANDLE */ 378 void __user *path; /* user pathname */ 379 __u32 oflags; /* open flags */ 380 void __user *ihandle;/* user supplied handle */ 381 __u32 ihandlen; /* user supplied length */ 382 void __user *ohandle;/* user buffer for handle */ 383 __u32 __user *ohandlen;/* user buffer length */ 384 } xfs_fsop_handlereq_t; 385 386 /* 387 * Compound structures for passing args through Handle Request interfaces 388 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle 389 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and 390 * XFS_IOC_ATTRMULTI_BY_HANDLE 391 */ 392 393 typedef struct xfs_fsop_setdm_handlereq { 394 struct xfs_fsop_handlereq hreq; /* handle information */ 395 struct fsdmidata __user *data; /* DMAPI data */ 396 } xfs_fsop_setdm_handlereq_t; 397 398 typedef struct xfs_attrlist_cursor { 399 __u32 opaque[4]; 400 } xfs_attrlist_cursor_t; 401 402 typedef struct xfs_fsop_attrlist_handlereq { 403 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 404 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 405 __u32 flags; /* which namespace to use */ 406 __u32 buflen; /* length of buffer supplied */ 407 void __user *buffer; /* returned names */ 408 } xfs_fsop_attrlist_handlereq_t; 409 410 typedef struct xfs_attr_multiop { 411 __u32 am_opcode; 412 #define ATTR_OP_GET 1 /* return the indicated attr's value */ 413 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ 414 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ 415 __s32 am_error; 416 void __user *am_attrname; 417 void __user *am_attrvalue; 418 __u32 am_length; 419 __u32 am_flags; 420 } xfs_attr_multiop_t; 421 422 typedef struct xfs_fsop_attrmulti_handlereq { 423 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 424 __u32 opcount;/* count of following multiop */ 425 struct xfs_attr_multiop __user *ops; /* attr_multi data */ 426 } xfs_fsop_attrmulti_handlereq_t; 427 428 /* 429 * per machine unique filesystem identifier types. 430 */ 431 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ 432 433 typedef struct xfs_fid { 434 __u16 fid_len; /* length of remainder */ 435 __u16 fid_pad; 436 __u32 fid_gen; /* generation number */ 437 __u64 fid_ino; /* 64 bits inode number */ 438 } xfs_fid_t; 439 440 typedef struct xfs_handle { 441 union { 442 __s64 align; /* force alignment of ha_fid */ 443 xfs_fsid_t _ha_fsid; /* unique file system identifier */ 444 } ha_u; 445 xfs_fid_t ha_fid; /* file system specific file ID */ 446 } xfs_handle_t; 447 #define ha_fsid ha_u._ha_fsid 448 449 /* 450 * Structure passed to XFS_IOC_SWAPEXT 451 */ 452 typedef struct xfs_swapext 453 { 454 int64_t sx_version; /* version */ 455 #define XFS_SX_VERSION 0 456 int64_t sx_fdtarget; /* fd of target file */ 457 int64_t sx_fdtmp; /* fd of tmp file */ 458 xfs_off_t sx_offset; /* offset into file */ 459 xfs_off_t sx_length; /* leng from offset */ 460 char sx_pad[16]; /* pad space, unused */ 461 xfs_bstat_t sx_stat; /* stat of target b4 copy */ 462 } xfs_swapext_t; 463 464 /* 465 * Flags for going down operation 466 */ 467 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ 468 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ 469 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ 470 471 /* metadata scrubbing */ 472 struct xfs_scrub_metadata { 473 __u32 sm_type; /* What to check? */ 474 __u32 sm_flags; /* flags; see below. */ 475 __u64 sm_ino; /* inode number. */ 476 __u32 sm_gen; /* inode generation. */ 477 __u32 sm_agno; /* ag number. */ 478 __u64 sm_reserved[5]; /* pad to 64 bytes */ 479 }; 480 481 /* 482 * Metadata types and flags for scrub operation. 483 */ 484 485 /* Scrub subcommands. */ 486 #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */ 487 #define XFS_SCRUB_TYPE_SB 1 /* superblock */ 488 #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */ 489 #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */ 490 #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */ 491 #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */ 492 #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */ 493 #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */ 494 #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */ 495 #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */ 496 #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */ 497 #define XFS_SCRUB_TYPE_INODE 11 /* inode record */ 498 #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */ 499 #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */ 500 #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */ 501 #define XFS_SCRUB_TYPE_DIR 15 /* directory */ 502 #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */ 503 #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */ 504 #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */ 505 #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */ 506 #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */ 507 #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */ 508 #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */ 509 #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */ 510 511 /* Number of scrub subcommands. */ 512 #define XFS_SCRUB_TYPE_NR 24 513 514 /* i: Repair this metadata. */ 515 #define XFS_SCRUB_IFLAG_REPAIR (1 << 0) 516 517 /* o: Metadata object needs repair. */ 518 #define XFS_SCRUB_OFLAG_CORRUPT (1 << 1) 519 520 /* 521 * o: Metadata object could be optimized. It's not corrupt, but 522 * we could improve on it somehow. 523 */ 524 #define XFS_SCRUB_OFLAG_PREEN (1 << 2) 525 526 /* o: Cross-referencing failed. */ 527 #define XFS_SCRUB_OFLAG_XFAIL (1 << 3) 528 529 /* o: Metadata object disagrees with cross-referenced metadata. */ 530 #define XFS_SCRUB_OFLAG_XCORRUPT (1 << 4) 531 532 /* o: Scan was not complete. */ 533 #define XFS_SCRUB_OFLAG_INCOMPLETE (1 << 5) 534 535 /* o: Metadata object looked funny but isn't corrupt. */ 536 #define XFS_SCRUB_OFLAG_WARNING (1 << 6) 537 538 #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR) 539 #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \ 540 XFS_SCRUB_OFLAG_PREEN | \ 541 XFS_SCRUB_OFLAG_XFAIL | \ 542 XFS_SCRUB_OFLAG_XCORRUPT | \ 543 XFS_SCRUB_OFLAG_INCOMPLETE | \ 544 XFS_SCRUB_OFLAG_WARNING) 545 #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT) 546 547 /* 548 * ioctl limits 549 */ 550 #ifdef XATTR_LIST_MAX 551 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX 552 #else 553 # define XFS_XATTR_LIST_MAX 65536 554 #endif 555 556 557 /* 558 * ioctl commands that are used by Linux filesystems 559 */ 560 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS 561 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS 562 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION 563 564 /* 565 * ioctl commands that replace IRIX fcntl()'s 566 * For 'documentation' purposed more than anything else, 567 * the "cmd #" field reflects the IRIX fcntl number. 568 */ 569 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) 570 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) 571 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) 572 #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR 573 #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR 574 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) 575 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) 576 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) 577 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) 578 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) 579 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) 580 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) 581 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) 582 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) 583 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) 584 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ 585 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ 586 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) 587 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) 588 #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) 589 /* XFS_IOC_GETFSMAP ------ hoisted 59 */ 590 #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata) 591 592 /* 593 * ioctl commands that replace IRIX syssgi()'s 594 */ 595 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) 596 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) 597 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) 598 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) 599 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) 600 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) 601 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) 602 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) 603 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) 604 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) 605 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) 606 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) 607 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) 608 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) 609 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) 610 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) 611 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) 612 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) 613 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ 614 615 #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ 616 #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ 617 618 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) 619 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) 620 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) 621 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) 622 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t) 623 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ 624 625 626 #ifndef HAVE_BBMACROS 627 /* 628 * Block I/O parameterization. A basic block (BB) is the lowest size of 629 * filesystem allocation, and must equal 512. Length units given to bio 630 * routines are in BB's. 631 */ 632 #define BBSHIFT 9 633 #define BBSIZE (1<<BBSHIFT) 634 #define BBMASK (BBSIZE-1) 635 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) 636 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) 637 #define BBTOB(bbs) ((bbs) << BBSHIFT) 638 #endif 639 640 #endif /* __XFS_FS_H__ */ 641