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