e2fsck/e2fsck.h

   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 "profile.h"
  40 #include "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 "quota/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         ext2_dirhash_t  min_hash;
 126         ext2_dirhash_t  max_hash;
 127         ext2_dirhash_t  node_min_hash;
 128         ext2_dirhash_t  node_max_hash;
 129 };
 130
 131 #define DX_FLAG_REFERENCED      1
 132 #define DX_FLAG_DUP_REF         2
 133 #define DX_FLAG_FIRST           4
 134 #define DX_FLAG_LAST            8
 135
 136 #define RESOURCE_TRACK
 137
 138 #ifdef RESOURCE_TRACK
 139 /*
 140  * This structure is used for keeping track of how much resources have
 141  * been used for a particular pass of e2fsck.
 142  */
 143 struct resource_track {
 144         struct timeval time_start;
 145         struct timeval user_start;
 146         struct timeval system_start;
 147         void    *brk_start;
 148         unsigned long long bytes_read;
 149         unsigned long long bytes_written;
 150 };
 151 #endif
 152
 153 /*
 154  * E2fsck options
 155  */
 156 #define E2F_OPT_READONLY        0x0001
 157 #define E2F_OPT_PREEN           0x0002
 158 #define E2F_OPT_YES             0x0004
 159 #define E2F_OPT_NO              0x0008
 160 #define E2F_OPT_TIME            0x0010
 161 #define E2F_OPT_TIME2           0x0020
 162 #define E2F_OPT_CHECKBLOCKS     0x0040
 163 #define E2F_OPT_DEBUG           0x0080
 164 #define E2F_OPT_FORCE           0x0100
 165 #define E2F_OPT_WRITECHECK      0x0200
 166 #define E2F_OPT_COMPRESS_DIRS   0x0400
 167 #define E2F_OPT_FRAGCHECK       0x0800
 168 #define E2F_OPT_JOURNAL_ONLY    0x1000 /* only replay the journal */
 169 #define E2F_OPT_DISCARD         0x2000
 170
 171 /*
 172  * E2fsck flags
 173  */
 174 #define E2F_FLAG_ABORT          0x0001 /* Abort signaled */
 175 #define E2F_FLAG_CANCEL         0x0002 /* Cancel signaled */
 176 #define E2F_FLAG_SIGNAL_MASK    0x0003
 177 #define E2F_FLAG_RESTART        0x0004 /* Restart signaled */
 178 #define E2F_FLAG_RESTART_LATER  0x0008 /* Restart after all iterations done */
 179
 180 #define E2F_FLAG_SETJMP_OK      0x0010 /* Setjmp valid for abort */
 181
 182 #define E2F_FLAG_PROG_BAR       0x0020 /* Progress bar on screen */
 183 #define E2F_FLAG_PROG_SUPPRESS  0x0040 /* Progress suspended */
 184 #define E2F_FLAG_JOURNAL_INODE  0x0080 /* Create a new ext3 journal inode */
 185 #define E2F_FLAG_SB_SPECIFIED   0x0100 /* The superblock was explicitly
 186                                         * specified by the user */
 187 #define E2F_FLAG_RESTARTED      0x0200 /* E2fsck has been restarted */
 188 #define E2F_FLAG_RESIZE_INODE   0x0400 /* Request to recreate resize inode */
 189 #define E2F_FLAG_GOT_DEVSIZE    0x0800 /* Device size has been fetched */
 190 #define E2F_FLAG_EXITING        0x1000 /* E2fsck exiting due to errors */
 191 #define E2F_FLAG_TIME_INSANE    0x2000 /* Time is insane */
 192 #define E2F_FLAG_PROBLEMS_FIXED 0x4000 /* At least one problem was fixed */
 193
 194 #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE | E2F_FLAG_PROBLEMS_FIXED)
 195
 196 /*
 197  * Defines for indicating the e2fsck pass number
 198  */
 199 #define E2F_PASS_1      1
 200 #define E2F_PASS_2      2
 201 #define E2F_PASS_3      3
 202 #define E2F_PASS_4      4
 203 #define E2F_PASS_5      5
 204 #define E2F_PASS_1B     6
 205
 206 /*
 207  * Define the extended attribute refcount structure
 208  */
 209 typedef struct ea_refcount *ext2_refcount_t;
 210
 211 /*
 212  * This is the global e2fsck structure.
 213  */
 214 typedef struct e2fsck_struct *e2fsck_t;
 215
 216 #define MAX_EXTENT_DEPTH_COUNT 5
 217
 218 struct e2fsck_struct {
 219         ext2_filsys fs;
 220         const char *program_name;
 221         char *filesystem_name;
 222         char *device_name;
 223         char *io_options;
 224         FILE    *logf;
 225         char    *log_fn;
 226         int     flags;          /* E2fsck internal flags */
 227         int     options;
 228         int     blocksize;      /* blocksize */
 229         blk64_t use_superblock; /* sb requested by user */
 230         blk64_t superblock;     /* sb used to open fs */
 231         blk64_t num_blocks;     /* Total number of blocks */
 232         blk64_t free_blocks;
 233         ino_t   free_inodes;
 234         int     mount_flags;
 235         int     openfs_flags;
 236         blkid_cache blkid;      /* blkid cache */
 237
 238 #ifdef HAVE_SETJMP_H
 239         jmp_buf abort_loc;
 240 #endif
 241         unsigned long abort_code;
 242
 243         int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
 244                         unsigned long max);
 245
 246         ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
 247         ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
 248         ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
 249         ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
 250         ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
 251         ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
 252
 253         ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
 254         ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
 255         ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
 256
 257         /*
 258          * Inode count arrays
 259          */
 260         ext2_icount_t   inode_count;
 261         ext2_icount_t inode_link_info;
 262
 263         ext2_refcount_t refcount;
 264         ext2_refcount_t refcount_extra;
 265
 266         /*
 267          * Array of flags indicating whether an inode bitmap, block
 268          * bitmap, or inode table is invalid
 269          */
 270         int *invalid_inode_bitmap_flag;
 271         int *invalid_block_bitmap_flag;
 272         int *invalid_inode_table_flag;
 273         int invalid_bitmaps;    /* There are invalid bitmaps/itable */
 274
 275         /*
 276          * Block buffer
 277          */
 278         char *block_buf;
 279
 280         /*
 281          * For pass1_check_directory and pass1_get_blocks
 282          */
 283         ext2_ino_t stashed_ino;
 284         struct ext2_inode *stashed_inode;
 285
 286         /*
 287          * Location of the lost and found directory
 288          */
 289         ext2_ino_t lost_and_found;
 290         int bad_lost_and_found;
 291
 292         /*
 293          * Directory information
 294          */
 295         struct dir_info_db      *dir_info;
 296
 297         /*
 298          * Indexed directory information
 299          */
 300         int             dx_dir_info_count;
 301         int             dx_dir_info_size;
 302         struct dx_dir_info *dx_dir_info;
 303
 304         /*
 305          * Directories to hash
 306          */
 307         ext2_u32_list   dirs_to_hash;
 308
 309         /*
 310          * Tuning parameters
 311          */
 312         int process_inode_size;
 313         int inode_buffer_blocks;
 314         unsigned int htree_slack_percentage;
 315
 316         /*
 317          * ext3 journal support
 318          */
 319         io_channel      journal_io;
 320         char    *journal_name;
 321
 322         /*
 323          * Ext4 quota support
 324          */
 325         quota_ctx_t qctx;
 326 #ifdef RESOURCE_TRACK
 327         /*
 328          * For timing purposes
 329          */
 330         struct resource_track   global_rtrack;
 331 #endif
 332
 333         /*
 334          * How we display the progress update (for unix)
 335          */
 336         int progress_fd;
 337         int progress_pos;
 338         int progress_last_percent;
 339         unsigned int progress_last_time;
 340         int interactive;        /* Are we connected directly to a tty? */
 341         char start_meta[2], stop_meta[2];
 342
 343         /* File counts */
 344         __u32 fs_directory_count;
 345         __u32 fs_regular_count;
 346         __u32 fs_blockdev_count;
 347         __u32 fs_chardev_count;
 348         __u32 fs_links_count;
 349         __u32 fs_symlinks_count;
 350         __u32 fs_fast_symlinks_count;
 351         __u32 fs_fifo_count;
 352         __u32 fs_total_count;
 353         __u32 fs_badblocks_count;
 354         __u32 fs_sockets_count;
 355         __u32 fs_ind_count;
 356         __u32 fs_dind_count;
 357         __u32 fs_tind_count;
 358         __u32 fs_fragmented;
 359         __u32 fs_fragmented_dir;
 360         __u32 large_files;
 361         __u32 fs_ext_attr_inodes;
 362         __u32 fs_ext_attr_blocks;
 363         __u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT];
 364
 365         /* misc fields */
 366         time_t now;
 367         time_t time_fudge;      /* For working around buggy init scripts */
 368         int ext_attr_ver;
 369         profile_t       profile;
 370         int blocks_per_page;
 371
 372         /* Reserve blocks for root and l+f re-creation */
 373         blk64_t root_repair_block, lnf_repair_block;
 374
 375         /*
 376          * For the use of callers of the e2fsck functions; not used by
 377          * e2fsck functions themselves.
 378          */
 379         void *priv_data;
 380         ext2fs_block_bitmap block_metadata_map; /* Metadata blocks */
 381 };
 382
 383 /* Used by the region allocation code */
 384 typedef __u64 region_addr_t;
 385 typedef struct region_struct *region_t;
 386
 387 #ifndef HAVE_STRNLEN
 388 #define strnlen(str, x) e2fsck_strnlen((str),(x))
 389 extern int e2fsck_strnlen(const char * s, int count);
 390 #endif
 391
 392 /*
 393  * Procedure declarations
 394  */
 395
 396 extern void e2fsck_pass1(e2fsck_t ctx);
 397 extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
 398 extern void e2fsck_pass2(e2fsck_t ctx);
 399 extern void e2fsck_pass3(e2fsck_t ctx);
 400 extern void e2fsck_pass4(e2fsck_t ctx);
 401 extern void e2fsck_pass5(e2fsck_t ctx);
 402
 403 /* e2fsck.c */
 404 extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
 405 extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
 406 extern void e2fsck_free_context(e2fsck_t ctx);
 407 extern int e2fsck_run(e2fsck_t ctx);
 408
 409
 410 /* badblock.c */
 411 extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
 412                                  int replace_bad_blocks);
 413
 414 /* dirinfo.c */
 415 extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
 416 extern void e2fsck_free_dir_info(e2fsck_t ctx);
 417 extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
 418 extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx);
 419 extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx,
 420                                              struct dir_info_iter *);
 421 extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *);
 422 extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino,
 423                                       ext2_ino_t parent);
 424 extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino,
 425                                       ext2_ino_t dotdot);
 426 extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino,
 427                                       ext2_ino_t *parent);
 428 extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino,
 429                                       ext2_ino_t *dotdot);
 430
 431 /* dx_dirinfo.c */
 432 extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino, int num_blocks);
 433 extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
 434 extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
 435 extern int e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
 436 extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx, int *control);
 437
 438 /* ea_refcount.c */
 439 extern errcode_t ea_refcount_create(int size, ext2_refcount_t *ret);
 440 extern void ea_refcount_free(ext2_refcount_t refcount);
 441 extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, blk64_t blk, int *ret);
 442 extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
 443                                        blk64_t blk, int *ret);
 444 extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
 445                                        blk64_t blk, int *ret);
 446 extern errcode_t ea_refcount_store(ext2_refcount_t refcount,
 447                                    blk64_t blk, int count);
 448 extern blk_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
 449 extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
 450 extern blk64_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret);
 451
 452 /* ehandler.c */
 453 extern const char *ehandler_operation(const char *op);
 454 extern void ehandler_init(io_channel channel);
 455
 456 /* journal.c */
 457 extern errcode_t e2fsck_check_ext3_journal(e2fsck_t ctx);
 458 extern errcode_t e2fsck_run_ext3_journal(e2fsck_t ctx);
 459 extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
 460 extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx);
 461
 462 /* logfile.c */
 463 extern void set_up_logging(e2fsck_t ctx);
 464
 465 /* quota.c */
 466 extern void e2fsck_hide_quota(e2fsck_t ctx);
 467
 468 /* pass1.c */
 469 extern void e2fsck_setup_tdb_icount(e2fsck_t ctx, int flags,
 470                                     ext2_icount_t *ret);
 471 extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts);
 472 extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
 473                                            struct ext2_inode *inode);
 474 extern int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
 475                                       struct ext2_inode *inode, char *buf);
 476 extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
 477                                struct ext2_inode *inode, int restart_flag,
 478                                const char *source);
 479 extern void e2fsck_intercept_block_allocations(e2fsck_t ctx);
 480
 481 /* pass2.c */
 482 extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
 483                                     ext2_ino_t ino, char *buf);
 484
 485 /* pass3.c */
 486 extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
 487 extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
 488                                          int num, int gauranteed_size);
 489 extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
 490 extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
 491                                            int adj);
 492
 493
 494 /* region.c */
 495 extern region_t region_create(region_addr_t min, region_addr_t max);
 496 extern void region_free(region_t region);
 497 extern int region_allocate(region_t region, region_addr_t start, int n);
 498
 499 /* rehash.c */
 500 void e2fsck_rehash_dir_later(e2fsck_t ctx, ext2_ino_t ino);
 501 int e2fsck_dir_will_be_rehashed(e2fsck_t ctx, ext2_ino_t ino);
 502 errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino);
 503 void e2fsck_rehash_directories(e2fsck_t ctx);
 504
 505 /* sigcatcher.c */
 506 void sigcatcher_setup(void);
 507
 508 /* super.c */
 509 void check_super_block(e2fsck_t ctx);
 510 int check_backup_super_block(e2fsck_t ctx);
 511 void check_resize_inode(e2fsck_t ctx);
 512
 513 /* util.c */
 514 extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
 515                                     const char *description);
 516 extern int ask(e2fsck_t ctx, const char * string, int def);
 517 extern int ask_yn(e2fsck_t ctx, const char * string, int def);
 518 extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
 519 extern void log_out(e2fsck_t ctx, const char *fmt, ...)
 520         E2FSCK_ATTR((format(printf, 2, 3)));
 521 extern void log_err(e2fsck_t ctx, const char *fmt, ...)
 522         E2FSCK_ATTR((format(printf, 2, 3)));
 523 extern void e2fsck_read_bitmaps(e2fsck_t ctx);
 524 extern void e2fsck_write_bitmaps(e2fsck_t ctx);
 525 extern void preenhalt(e2fsck_t ctx);
 526 extern char *string_copy(e2fsck_t ctx, const char *str, int len);
 527 extern int fs_proc_check(const char *fs_name);
 528 extern int check_for_modules(const char *fs_name);
 529 #ifdef RESOURCE_TRACK
 530 extern void print_resource_track(e2fsck_t ctx,
 531                                  const char *desc,
 532                                  struct resource_track *track,
 533                                  io_channel channel);
 534 extern void init_resource_track(struct resource_track *track,
 535                                 io_channel channel);
 536 #else
 537 #define print_resource_track(ctx, desc, track, channel) do { } while (0)
 538 #define init_resource_track(track, channel) do { } while (0)
 539 #endif
 540 extern int inode_has_valid_blocks(struct ext2_inode *inode);
 541 extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
 542                               struct ext2_inode * inode, const char * proc);
 543 extern void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino,
 544                                    struct ext2_inode *inode,
 545                                    const int bufsize, const char *proc);
 546 extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
 547                                struct ext2_inode * inode, const char * proc);
 548 extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
 549                                struct ext2_inode * inode, int bufsize,
 550                                const char *proc);
 551 #ifdef MTRACE
 552 extern void mtrace_print(char *mesg);
 553 #endif
 554 extern blk64_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
 555                            const char *name, io_manager manager);
 556 extern int ext2_file_type(unsigned int mode);
 557 extern int write_all(int fd, char *buf, size_t count);
 558 void dump_mmp_msg(struct mmp_struct *mmp, const char *msg);
 559 errcode_t e2fsck_mmp_update(ext2_filsys fs);
 560
 561 extern void e2fsck_set_bitmap_type(ext2_filsys fs,
 562                                    unsigned int default_type,
 563                                    const char *profile_name,
 564                                    unsigned int *old_type);
 565 extern errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs,
 566                                               const char *descr,
 567                                               int default_type,
 568                                               const char *profile_name,
 569                                               ext2fs_inode_bitmap *ret);
 570 extern errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs,
 571                                               const char *descr,
 572                                               int default_type,
 573                                               const char *profile_name,
 574                                               ext2fs_block_bitmap *ret);
 575 extern errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs,
 576                                                    const char *descr,
 577                                                    int default_type,
 578                                                    const char *profile_name,
 579                                                    ext2fs_block_bitmap *ret);
 580
 581 /* unix.c */
 582 extern void e2fsck_clear_progbar(e2fsck_t ctx);
 583 extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
 584                                   float percent, unsigned int dpynum);
 585 #endif /* _E2FSCK_H */