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