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