1 /* 2 * e2fsck.h 3 * 4 * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be 5 * redistributed under the terms of the GNU Public License. 6 * 7 */ 8 9 #ifndef _E2FSCK_H 10 #define _E2FSCK_H 11 12 #include <stdio.h> 13 #include <string.h> 14 #ifdef HAVE_UNISTD_H 15 #include <unistd.h> 16 #endif 17 #include <stdlib.h> 18 #include <time.h> 19 #ifdef HAVE_SYS_TYPES_H 20 #include <sys/types.h> 21 #endif 22 #ifdef HAVE_SYS_TIME_H 23 #include <sys/time.h> 24 #endif 25 #ifdef HAVE_SETJMP_H 26 #include <setjmp.h> 27 #endif 28 29 #if EXT2_FLAT_INCLUDES 30 #include "ext2_fs.h" 31 #include "ext2fs.h" 32 #include "blkid.h" 33 #else 34 #include "ext2fs/ext2_fs.h" 35 #include "ext2fs/ext2fs.h" 36 #include "blkid/blkid.h" 37 #endif 38 39 #include "support/profile.h" 40 #include "support/prof_err.h" 41 42 #ifdef ENABLE_NLS 43 #include <libintl.h> 44 #include <locale.h> 45 #define _(a) (gettext (a)) 46 #ifdef gettext_noop 47 #define N_(a) gettext_noop (a) 48 #else 49 #define N_(a) (a) 50 #endif 51 #define P_(singular, plural, n) (ngettext (singular, plural, n)) 52 #ifndef NLS_CAT_NAME 53 #define NLS_CAT_NAME "e2fsprogs" 54 #endif 55 #ifndef LOCALEDIR 56 #define LOCALEDIR "/usr/share/locale" 57 #endif 58 #else 59 #define _(a) (a) 60 #define N_(a) a 61 #define P_(singular, plural, n) ((n) == 1 ? (singular) : (plural)) 62 #endif 63 64 #ifdef __GNUC__ 65 #define E2FSCK_ATTR(x) __attribute__(x) 66 #else 67 #define E2FSCK_ATTR(x) 68 #endif 69 70 #include "support/quotaio.h" 71 #if __GNUC_PREREQ (4, 6) 72 #pragma GCC diagnostic push 73 #pragma GCC diagnostic ignored "-Wunused-function" 74 #endif 75 #include "ext2fs/fast_commit.h" 76 #if __GNUC_PREREQ (4, 6) 77 #pragma GCC diagnostic pop 78 #endif 79 80 /* 81 * Exit codes used by fsck-type programs 82 */ 83 #define FSCK_OK 0 /* No errors */ 84 #define FSCK_NONDESTRUCT 1 /* File system errors corrected */ 85 #define FSCK_REBOOT 2 /* System should be rebooted */ 86 #define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */ 87 #define FSCK_ERROR 8 /* Operational error */ 88 #define FSCK_USAGE 16 /* Usage or syntax error */ 89 #define FSCK_CANCELED 32 /* Aborted with a signal or ^C */ 90 #define FSCK_LIBRARY 128 /* Shared library error */ 91 92 /* 93 * The last ext2fs revision level that this version of e2fsck is able to 94 * support 95 */ 96 #define E2FSCK_CURRENT_REV 1 97 98 /* 99 * The directory information structure; stores directory information 100 * collected in earlier passes, to avoid disk i/o in fetching the 101 * directory information. 102 */ 103 struct dir_info { 104 ext2_ino_t ino; /* Inode number */ 105 ext2_ino_t dotdot; /* Parent according to '..' */ 106 ext2_ino_t parent; /* Parent according to treewalk */ 107 }; 108 109 110 /* 111 * The indexed directory information structure; stores information for 112 * directories which contain a hash tree index. 113 */ 114 struct dx_dir_info { 115 ext2_ino_t ino; /* Inode number */ 116 short depth; /* depth of tree (15 bits) */ 117 __u8 hashversion; 118 __u8 casefolded_hash:1; 119 blk_t numblocks; /* number of blocks in dir */ 120 struct dx_dirblock_info *dx_block; /* Array of size numblocks */ 121 }; 122 123 #define DX_DIRBLOCK_ROOT 1 124 #define DX_DIRBLOCK_LEAF 2 125 #define DX_DIRBLOCK_NODE 3 126 #define DX_DIRBLOCK_CORRUPT 4 127 #define DX_DIRBLOCK_CLEARED 8 128 129 struct dx_dirblock_info { 130 int type; 131 int flags; 132 blk64_t phys; 133 blk64_t parent; 134 blk64_t previous; 135 ext2_dirhash_t min_hash; 136 ext2_dirhash_t max_hash; 137 ext2_dirhash_t node_min_hash; 138 ext2_dirhash_t node_max_hash; 139 }; 140 141 #define DX_FLAG_REFERENCED 1 142 #define DX_FLAG_DUP_REF 2 143 #define DX_FLAG_FIRST 4 144 #define DX_FLAG_LAST 8 145 146 struct encrypted_file_info; 147 148 #define RESOURCE_TRACK 149 150 #ifdef RESOURCE_TRACK 151 /* 152 * This structure is used for keeping track of how much resources have 153 * been used for a particular pass of e2fsck. 154 */ 155 struct resource_track { 156 struct timeval time_start; 157 struct timeval user_start; 158 struct timeval system_start; 159 void *brk_start; 160 unsigned long long bytes_read; 161 unsigned long long bytes_written; 162 }; 163 #endif 164 165 /* 166 * E2fsck options 167 */ 168 #define E2F_OPT_READONLY 0x0001 169 #define E2F_OPT_PREEN 0x0002 170 #define E2F_OPT_YES 0x0004 171 #define E2F_OPT_NO 0x0008 172 #define E2F_OPT_TIME 0x0010 173 #define E2F_OPT_TIME2 0x0020 174 #define E2F_OPT_CHECKBLOCKS 0x0040 175 #define E2F_OPT_DEBUG 0x0080 176 #define E2F_OPT_FORCE 0x0100 177 #define E2F_OPT_WRITECHECK 0x0200 178 #define E2F_OPT_COMPRESS_DIRS 0x0400 179 #define E2F_OPT_FRAGCHECK 0x0800 180 #define E2F_OPT_JOURNAL_ONLY 0x1000 /* only replay the journal */ 181 #define E2F_OPT_DISCARD 0x2000 182 #define E2F_OPT_CONVERT_BMAP 0x4000 /* convert blockmap to extent */ 183 #define E2F_OPT_FIXES_ONLY 0x8000 /* skip all optimizations */ 184 #define E2F_OPT_NOOPT_EXTENTS 0x10000 /* don't optimize extents */ 185 #define E2F_OPT_ICOUNT_FULLMAP 0x20000 /* use an array for inode counts */ 186 #define E2F_OPT_UNSHARE_BLOCKS 0x40000 187 #define E2F_OPT_CLEAR_UNINIT 0x80000 /* Hack to clear the uninit bit */ 188 #define E2F_OPT_CHECK_ENCODING 0x100000 /* Force verification of encoded filenames */ 189 190 /* 191 * E2fsck flags 192 */ 193 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */ 194 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */ 195 #define E2F_FLAG_SIGNAL_MASK (E2F_FLAG_ABORT | E2F_FLAG_CANCEL) 196 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */ 197 #define E2F_FLAG_RUN_RETURN (E2F_FLAG_SIGNAL_MASK | E2F_FLAG_RESTART) 198 #define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */ 199 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */ 200 201 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */ 202 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */ 203 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */ 204 #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly 205 * specified by the user */ 206 #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */ 207 #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */ 208 #define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */ 209 #define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */ 210 #define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */ 211 #define E2F_FLAG_PROBLEMS_FIXED 0x4000 /* At least one problem was fixed */ 212 #define E2F_FLAG_ALLOC_OK 0x8000 /* Can we allocate blocks? */ 213 214 #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE | E2F_FLAG_PROBLEMS_FIXED) 215 216 /* 217 * Defines for indicating the e2fsck pass number 218 */ 219 #define E2F_PASS_1 1 220 #define E2F_PASS_2 2 221 #define E2F_PASS_3 3 222 #define E2F_PASS_4 4 223 #define E2F_PASS_5 5 224 #define E2F_PASS_1B 6 225 226 /* 227 * Define the extended attribute refcount structure 228 */ 229 typedef struct ea_refcount *ext2_refcount_t; 230 231 /* 232 * This is the global e2fsck structure. 233 */ 234 typedef struct e2fsck_struct *e2fsck_t; 235 236 #define MAX_EXTENT_DEPTH_COUNT 5 237 238 /* 239 * This strucutre is used to manage the list of extents in a file. Placing 240 * it here since this is used by fast_commit.h. 241 */ 242 struct extent_list { 243 blk64_t blocks_freed; 244 struct ext2fs_extent *extents; 245 unsigned int count; 246 unsigned int size; 247 unsigned int ext_read; 248 errcode_t retval; 249 ext2_ino_t ino; 250 }; 251 252 /* State structure for fast commit replay */ 253 struct e2fsck_fc_replay_state { 254 struct extent_list fc_extent_list; 255 int fc_replay_num_tags; 256 int fc_replay_expected_off; 257 enum passtype fc_current_pass; 258 int fc_cur_tag; 259 unsigned int fc_crc; 260 __u16 fc_super_state; 261 }; 262 263 struct e2fsck_struct { 264 ext2_filsys fs; 265 const char *program_name; 266 char *filesystem_name; 267 char *device_name; 268 char *io_options; 269 FILE *logf; 270 char *log_fn; 271 FILE *problem_logf; 272 char *problem_log_fn; 273 int flags; /* E2fsck internal flags */ 274 int options; 275 unsigned blocksize; /* blocksize */ 276 blk64_t use_superblock; /* sb requested by user */ 277 blk64_t superblock; /* sb used to open fs */ 278 blk64_t num_blocks; /* Total number of blocks */ 279 blk64_t free_blocks; 280 ext2_ino_t free_inodes; 281 int mount_flags; 282 int openfs_flags; 283 blkid_cache blkid; /* blkid cache */ 284 285 #ifdef HAVE_SETJMP_H 286 jmp_buf abort_loc; 287 #endif 288 unsigned long abort_code; 289 290 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur, 291 unsigned long max); 292 293 ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */ 294 ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */ 295 ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */ 296 ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */ 297 ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */ 298 ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/ 299 ext2fs_inode_bitmap inode_casefold_map; /* Inodes which are casefolded */ 300 301 ext2fs_block_bitmap block_found_map; /* Blocks which are in use */ 302 ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */ 303 ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */ 304 305 /* 306 * Inode count arrays 307 */ 308 ext2_icount_t inode_count; 309 ext2_icount_t inode_link_info; 310 311 ext2_refcount_t refcount; 312 ext2_refcount_t refcount_extra; 313 314 /* 315 * Quota blocks and inodes to be charged for each ea block. 316 */ 317 ext2_refcount_t ea_block_quota_blocks; 318 ext2_refcount_t ea_block_quota_inodes; 319 320 /* 321 * ea_inode references from attr entries. 322 */ 323 ext2_refcount_t ea_inode_refs; 324 325 /* 326 * Array of flags indicating whether an inode bitmap, block 327 * bitmap, or inode table is invalid 328 */ 329 int *invalid_inode_bitmap_flag; 330 int *invalid_block_bitmap_flag; 331 int *invalid_inode_table_flag; 332 int invalid_bitmaps; /* There are invalid bitmaps/itable */ 333 334 /* 335 * Block buffer 336 */ 337 char *block_buf; 338 339 /* 340 * For pass1_check_directory and pass1_get_blocks 341 */ 342 ext2_ino_t stashed_ino; 343 struct ext2_inode *stashed_inode; 344 345 /* 346 * Location of the lost and found directory 347 */ 348 ext2_ino_t lost_and_found; 349 int bad_lost_and_found; 350 351 /* 352 * Directory information 353 */ 354 struct dir_info_db *dir_info; 355 356 /* 357 * Indexed directory information 358 */ 359 ext2_ino_t dx_dir_info_count; 360 ext2_ino_t dx_dir_info_size; 361 struct dx_dir_info *dx_dir_info; 362 363 /* 364 * Directories to hash 365 */ 366 ext2_u32_list dirs_to_hash; 367 368 /* 369 * Encrypted file information 370 */ 371 struct encrypted_file_info *encrypted_files; 372 373 /* 374 * Tuning parameters 375 */ 376 int process_inode_size; 377 int inode_buffer_blocks; 378 unsigned int htree_slack_percentage; 379 380 /* 381 * ext3 journal support 382 */ 383 io_channel journal_io; 384 char *journal_name; 385 386 /* 387 * Ext4 quota support 388 */ 389 quota_ctx_t qctx; 390 #ifdef RESOURCE_TRACK 391 /* 392 * For timing purposes 393 */ 394 struct resource_track global_rtrack; 395 #endif 396 397 /* 398 * How we display the progress update (for unix) 399 */ 400 int progress_fd; 401 int progress_pos; 402 int progress_last_percent; 403 unsigned int progress_last_time; 404 int interactive; /* Are we connected directly to a tty? */ 405 char start_meta[2], stop_meta[2]; 406 407 /* File counts */ 408 __u32 fs_directory_count; 409 __u32 fs_regular_count; 410 __u32 fs_blockdev_count; 411 __u32 fs_chardev_count; 412 __u32 fs_links_count; 413 __u32 fs_symlinks_count; 414 __u32 fs_fast_symlinks_count; 415 __u32 fs_fifo_count; 416 __u32 fs_total_count; 417 __u32 fs_badblocks_count; 418 __u32 fs_sockets_count; 419 __u32 fs_ind_count; 420 __u32 fs_dind_count; 421 __u32 fs_tind_count; 422 __u32 fs_fragmented; 423 __u32 fs_fragmented_dir; 424 __u32 large_files; 425 __u32 large_dirs; 426 __u32 fs_ext_attr_inodes; 427 __u32 fs_ext_attr_blocks; 428 __u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT]; 429 430 /* misc fields */ 431 time_t now; 432 time_t time_fudge; /* For working around buggy init scripts */ 433 int ext_attr_ver; 434 profile_t profile; 435 int blocks_per_page; 436 ext2_u32_list casefolded_dirs; 437 438 /* Reserve blocks for root and l+f re-creation */ 439 blk64_t root_repair_block, lnf_repair_block; 440 441 /* 442 * For the use of callers of the e2fsck functions; not used by 443 * e2fsck functions themselves. 444 */ 445 void *priv_data; 446 ext2fs_block_bitmap block_metadata_map; /* Metadata blocks */ 447 448 /* How much are we allowed to readahead? */ 449 unsigned long long readahead_kb; 450 451 /* 452 * Inodes to rebuild extent trees 453 */ 454 ext2fs_inode_bitmap inodes_to_rebuild; 455 456 /* Undo file */ 457 char *undo_file; 458 459 /* Fast commit replay state */ 460 struct e2fsck_fc_replay_state fc_replay_state; 461 }; 462 463 /* Data structures to evaluate whether an extent tree needs rebuilding. */ 464 struct extent_tree_level { 465 unsigned int num_extents; 466 unsigned int max_extents; 467 }; 468 469 struct extent_tree_info { 470 ext2_ino_t ino; 471 int force_rebuild; 472 struct extent_tree_level ext_info[MAX_EXTENT_DEPTH_COUNT]; 473 }; 474 475 /* Used by the region allocation code */ 476 typedef __u64 region_addr_t; 477 typedef struct region_struct *region_t; 478 479 #ifndef HAVE_STRNLEN 480 #define strnlen(str, x) e2fsck_strnlen((str),(x)) 481 extern int e2fsck_strnlen(const char * s, int count); 482 #endif 483 484 /* 485 * Procedure declarations 486 */ 487 488 extern void e2fsck_pass1(e2fsck_t ctx); 489 extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf); 490 extern void e2fsck_pass2(e2fsck_t ctx); 491 extern void e2fsck_pass3(e2fsck_t ctx); 492 extern void e2fsck_pass4(e2fsck_t ctx); 493 extern void e2fsck_pass5(e2fsck_t ctx); 494 495 /* e2fsck.c */ 496 extern errcode_t e2fsck_allocate_context(e2fsck_t *ret); 497 extern errcode_t e2fsck_reset_context(e2fsck_t ctx); 498 extern void e2fsck_free_context(e2fsck_t ctx); 499 extern int e2fsck_run(e2fsck_t ctx); 500 501 502 /* badblock.c */ 503 extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file, 504 int replace_bad_blocks); 505 506 /* dirinfo.c */ 507 extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent); 508 extern void e2fsck_free_dir_info(e2fsck_t ctx); 509 extern int e2fsck_get_num_dirinfo(e2fsck_t ctx); 510 extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx); 511 extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, 512 struct dir_info_iter *); 513 extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *); 514 extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino, 515 ext2_ino_t parent); 516 extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino, 517 ext2_ino_t dotdot); 518 extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino, 519 ext2_ino_t *parent); 520 extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino, 521 ext2_ino_t *dotdot); 522 523 /* dx_dirinfo.c */ 524 extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino, 525 struct ext2_inode *inode, int num_blocks); 526 extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino); 527 extern void e2fsck_free_dx_dir_info(e2fsck_t ctx); 528 extern ext2_ino_t e2fsck_get_num_dx_dirinfo(e2fsck_t ctx); 529 extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx, 530 ext2_ino_t *control); 531 532 /* ea_refcount.c */ 533 typedef __u64 ea_key_t; 534 typedef __u64 ea_value_t; 535 536 extern errcode_t ea_refcount_create(size_t size, ext2_refcount_t *ret); 537 extern void ea_refcount_free(ext2_refcount_t refcount); 538 extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, ea_key_t ea_key, 539 ea_value_t *ret); 540 extern errcode_t ea_refcount_increment(ext2_refcount_t refcount, 541 ea_key_t ea_key, ea_value_t *ret); 542 extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount, 543 ea_key_t ea_key, ea_value_t *ret); 544 extern errcode_t ea_refcount_store(ext2_refcount_t refcount, ea_key_t ea_key, 545 ea_value_t count); 546 extern size_t ext2fs_get_refcount_size(ext2_refcount_t refcount); 547 extern void ea_refcount_intr_begin(ext2_refcount_t refcount); 548 extern ea_key_t ea_refcount_intr_next(ext2_refcount_t refcount, 549 ea_value_t *ret); 550 551 /* ehandler.c */ 552 extern const char *ehandler_operation(const char *op); 553 extern void ehandler_init(io_channel channel); 554 555 /* encrypted_files.c */ 556 557 struct problem_context; 558 int add_encrypted_file(e2fsck_t ctx, struct problem_context *pctx); 559 560 #define NO_ENCRYPTION_POLICY ((__u32)-1) 561 #define CORRUPT_ENCRYPTION_POLICY ((__u32)-2) 562 #define UNRECOGNIZED_ENCRYPTION_POLICY ((__u32)-3) 563 __u32 find_encryption_policy(e2fsck_t ctx, ext2_ino_t ino); 564 565 void destroy_encryption_policy_map(e2fsck_t ctx); 566 void destroy_encrypted_file_info(e2fsck_t ctx); 567 568 /* extents.c */ 569 errcode_t e2fsck_rebuild_extents_later(e2fsck_t ctx, ext2_ino_t ino); 570 int e2fsck_ino_will_be_rebuilt(e2fsck_t ctx, ext2_ino_t ino); 571 void e2fsck_pass1e(e2fsck_t ctx); 572 errcode_t e2fsck_check_rebuild_extents(e2fsck_t ctx, ext2_ino_t ino, 573 struct ext2_inode *inode, 574 struct problem_context *pctx); 575 errcode_t e2fsck_should_rebuild_extents(e2fsck_t ctx, 576 struct problem_context *pctx, 577 struct extent_tree_info *eti, 578 struct ext2_extent_info *info); 579 errcode_t e2fsck_read_extents(e2fsck_t ctx, struct extent_list *extents); 580 errcode_t e2fsck_rewrite_extent_tree(e2fsck_t ctx, 581 struct extent_list *extents); 582 583 /* journal.c */ 584 extern errcode_t e2fsck_check_ext3_journal(e2fsck_t ctx); 585 extern errcode_t e2fsck_run_ext3_journal(e2fsck_t ctx); 586 extern void e2fsck_move_ext3_journal(e2fsck_t ctx); 587 extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx); 588 589 /* logfile.c */ 590 extern void set_up_logging(e2fsck_t ctx); 591 592 /* quota.c */ 593 extern void e2fsck_hide_quota(e2fsck_t ctx); 594 extern void e2fsck_validate_quota_inodes(e2fsck_t ctx); 595 596 /* pass1.c */ 597 extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name, 598 int flags, ext2_icount_t hint, 599 ext2_icount_t *ret); 600 extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts); 601 extern int e2fsck_pass1_check_device_inode(ext2_filsys fs, 602 struct ext2_inode *inode); 603 extern int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino, 604 struct ext2_inode *inode, char *buf); 605 extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino, 606 struct ext2_inode *inode, int restart_flag, 607 const char *source); 608 extern void e2fsck_intercept_block_allocations(e2fsck_t ctx); 609 610 /* pass2.c */ 611 extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir, 612 ext2_ino_t ino, char *buf); 613 614 /* pass3.c */ 615 extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode); 616 extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir, 617 int num, int gauranteed_size); 618 extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix); 619 extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino, 620 int adj); 621 622 /* readahead.c */ 623 #define E2FSCK_READA_SUPER (0x01) 624 #define E2FSCK_READA_GDT (0x02) 625 #define E2FSCK_READA_BBITMAP (0x04) 626 #define E2FSCK_READA_IBITMAP (0x08) 627 #define E2FSCK_READA_ITABLE (0x10) 628 #define E2FSCK_READA_ALL_FLAGS (0x1F) 629 errcode_t e2fsck_readahead(ext2_filsys fs, int flags, dgrp_t start, 630 dgrp_t ngroups); 631 #define E2FSCK_RA_DBLIST_IGNORE_BLOCKCNT (0x01) 632 #define E2FSCK_RA_DBLIST_ALL_FLAGS (0x01) 633 errcode_t e2fsck_readahead_dblist(ext2_filsys fs, int flags, 634 ext2_dblist dblist, 635 unsigned long long start, 636 unsigned long long count); 637 int e2fsck_can_readahead(ext2_filsys fs); 638 unsigned long long e2fsck_guess_readahead(ext2_filsys fs); 639 640 /* region.c */ 641 extern region_t region_create(region_addr_t min, region_addr_t max); 642 extern void region_free(region_t region); 643 extern int region_allocate(region_t region, region_addr_t start, int n); 644 645 /* rehash.c */ 646 void e2fsck_rehash_dir_later(e2fsck_t ctx, ext2_ino_t ino); 647 int e2fsck_dir_will_be_rehashed(e2fsck_t ctx, ext2_ino_t ino); 648 errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino, 649 struct problem_context *pctx); 650 void e2fsck_rehash_directories(e2fsck_t ctx); 651 652 /* sigcatcher.c */ 653 void sigcatcher_setup(void); 654 655 /* super.c */ 656 void check_super_block(e2fsck_t ctx); 657 int check_backup_super_block(e2fsck_t ctx); 658 void check_resize_inode(e2fsck_t ctx); 659 660 /* util.c */ 661 extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned long size, 662 const char *description); 663 extern int ask(e2fsck_t ctx, const char * string, int def); 664 extern int ask_yn(e2fsck_t ctx, const char * string, int def); 665 extern void fatal_error(e2fsck_t ctx, const char * fmt_string); 666 extern void log_out(e2fsck_t ctx, const char *fmt, ...) 667 E2FSCK_ATTR((format(printf, 2, 3))); 668 extern void log_err(e2fsck_t ctx, const char *fmt, ...) 669 E2FSCK_ATTR((format(printf, 2, 3))); 670 extern void e2fsck_read_bitmaps(e2fsck_t ctx); 671 extern void e2fsck_write_bitmaps(e2fsck_t ctx); 672 extern void preenhalt(e2fsck_t ctx); 673 extern char *string_copy(e2fsck_t ctx, const char *str, size_t len); 674 extern int fs_proc_check(const char *fs_name); 675 extern int check_for_modules(const char *fs_name); 676 #ifdef RESOURCE_TRACK 677 extern void print_resource_track(e2fsck_t ctx, 678 const char *desc, 679 struct resource_track *track, 680 io_channel channel); 681 extern void init_resource_track(struct resource_track *track, 682 io_channel channel); 683 #else 684 #define print_resource_track(ctx, desc, track, channel) do { } while (0) 685 #define init_resource_track(track, channel) do { } while (0) 686 #endif 687 extern int inode_has_valid_blocks(struct ext2_inode *inode); 688 extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino, 689 struct ext2_inode * inode, const char * proc); 690 extern void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino, 691 struct ext2_inode *inode, 692 const int bufsize, const char *proc); 693 extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino, 694 struct ext2_inode * inode, const char * proc); 695 extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino, 696 struct ext2_inode * inode, int bufsize, 697 const char *proc); 698 #ifdef MTRACE 699 extern void mtrace_print(char *mesg); 700 #endif 701 extern blk64_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs, 702 const char *name, io_manager manager); 703 extern int ext2_file_type(unsigned int mode); 704 extern int write_all(int fd, char *buf, size_t count); 705 void dump_mmp_msg(struct mmp_struct *mmp, const char *fmt, ...) 706 E2FSCK_ATTR((format(printf, 2, 3))); 707 errcode_t e2fsck_mmp_update(ext2_filsys fs); 708 709 extern void e2fsck_set_bitmap_type(ext2_filsys fs, 710 unsigned int default_type, 711 const char *profile_name, 712 unsigned int *old_type); 713 extern errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs, 714 const char *descr, 715 int default_type, 716 const char *profile_name, 717 ext2fs_inode_bitmap *ret); 718 extern errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs, 719 const char *descr, 720 int default_type, 721 const char *profile_name, 722 ext2fs_block_bitmap *ret); 723 extern errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs, 724 const char *descr, 725 int default_type, 726 const char *profile_name, 727 ext2fs_block_bitmap *ret); 728 unsigned long long get_memory_size(void); 729 730 /* unix.c */ 731 extern void e2fsck_clear_progbar(e2fsck_t ctx); 732 extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label, 733 float percent, unsigned int dpynum); 734 735 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 736 737 #endif /* _E2FSCK_H */ 738