4 * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
5 * redistributed under the terms of the GNU Public License.
20 #ifdef HAVE_SYS_TYPES_H
21 #include <sys/types.h>
23 #ifdef HAVE_SYS_TIME_H
30 #if EXT2_FLAT_INCLUDES
35 #include "ext2fs/ext2_fs.h"
36 #include "ext2fs/ext2fs.h"
37 #include "blkid/blkid.h"
40 #include "support/profile.h"
41 #include "support/prof_err.h"
46 #define _(a) (gettext (a))
48 #define N_(a) gettext_noop (a)
52 #define P_(singular, plural, n) (ngettext (singular, plural, n))
54 #define NLS_CAT_NAME "e2fsprogs"
57 #define LOCALEDIR "/usr/share/locale"
62 #define P_(singular, plural, n) ((n) == 1 ? (singular) : (plural))
66 #define E2FSCK_ATTR(x) __attribute__(x)
68 #define E2FSCK_ATTR(x)
71 #include "support/quotaio.h"
74 * Exit codes used by fsck-type programs
76 #define FSCK_OK 0 /* No errors */
77 #define FSCK_NONDESTRUCT 1 /* File system errors corrected */
78 #define FSCK_REBOOT 2 /* System should be rebooted */
79 #define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
80 #define FSCK_ERROR 8 /* Operational error */
81 #define FSCK_USAGE 16 /* Usage or syntax error */
82 #define FSCK_CANCELED 32 /* Aborted with a signal or ^C */
83 #define FSCK_LIBRARY 128 /* Shared library error */
86 * The last ext2fs revision level that this version of e2fsck is able to
89 #define E2FSCK_CURRENT_REV 1
92 * The directory information structure; stores directory information
93 * collected in earlier passes, to avoid disk i/o in fetching the
94 * directory information.
97 ext2_ino_t ino; /* Inode number */
98 ext2_ino_t dotdot; /* Parent according to '..' */
99 ext2_ino_t parent; /* Parent according to treewalk */
104 * The indexed directory information structure; stores information for
105 * directories which contain a hash tree index.
108 ext2_ino_t ino; /* Inode number */
109 short depth; /* depth of tree (15 bits) */
111 __u8 casefolded_hash:1;
112 blk_t numblocks; /* number of blocks in dir */
113 struct dx_dirblock_info *dx_block; /* Array of size numblocks */
116 #define DX_DIRBLOCK_ROOT 1
117 #define DX_DIRBLOCK_LEAF 2
118 #define DX_DIRBLOCK_NODE 3
119 #define DX_DIRBLOCK_CORRUPT 4
120 #define DX_DIRBLOCK_CLEARED 8
122 struct dx_dirblock_info {
128 ext2_dirhash_t min_hash;
129 ext2_dirhash_t max_hash;
130 ext2_dirhash_t node_min_hash;
131 ext2_dirhash_t node_max_hash;
134 #define DX_FLAG_REFERENCED 1
135 #define DX_FLAG_DUP_REF 2
136 #define DX_FLAG_FIRST 4
137 #define DX_FLAG_LAST 8
139 #define RESOURCE_TRACK
141 #ifdef RESOURCE_TRACK
143 * This structure is used for keeping track of how much resources have
144 * been used for a particular pass of e2fsck.
146 struct resource_track {
147 struct timeval time_start;
148 struct timeval user_start;
149 struct timeval system_start;
151 unsigned long long bytes_read;
152 unsigned long long bytes_written;
159 #define E2F_OPT_READONLY 0x0001
160 #define E2F_OPT_PREEN 0x0002
161 #define E2F_OPT_YES 0x0004
162 #define E2F_OPT_NO 0x0008
163 #define E2F_OPT_TIME 0x0010
164 #define E2F_OPT_TIME2 0x0020
165 #define E2F_OPT_CHECKBLOCKS 0x0040
166 #define E2F_OPT_DEBUG 0x0080
167 #define E2F_OPT_FORCE 0x0100
168 #define E2F_OPT_WRITECHECK 0x0200
169 #define E2F_OPT_COMPRESS_DIRS 0x0400
170 #define E2F_OPT_FRAGCHECK 0x0800
171 #define E2F_OPT_JOURNAL_ONLY 0x1000 /* only replay the journal */
172 #define E2F_OPT_DISCARD 0x2000
173 #define E2F_OPT_CONVERT_BMAP 0x4000 /* convert blockmap to extent */
174 #define E2F_OPT_FIXES_ONLY 0x8000 /* skip all optimizations */
175 #define E2F_OPT_NOOPT_EXTENTS 0x10000 /* don't optimize extents */
176 #define E2F_OPT_ICOUNT_FULLMAP 0x20000 /* use an array for inode counts */
177 #define E2F_OPT_UNSHARE_BLOCKS 0x40000
178 #define E2F_OPT_MULTITHREAD 0x100000 /* Use multiple threads to speedup */
183 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
184 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
185 #define E2F_FLAG_SIGNAL_MASK (E2F_FLAG_ABORT | E2F_FLAG_CANCEL)
186 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
187 #define E2F_FLAG_RUN_RETURN (E2F_FLAG_SIGNAL_MASK | E2F_FLAG_RESTART)
188 #define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */
189 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
191 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
192 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
193 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
194 #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
195 * specified by the user */
196 #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
197 #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
198 #define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */
199 #define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */
200 #define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */
201 #define E2F_FLAG_PROBLEMS_FIXED 0x4000 /* At least one problem was fixed */
202 #define E2F_FLAG_ALLOC_OK 0x8000 /* Can we allocate blocks? */
203 #define E2F_FLAG_EXPAND_EISIZE 0x10000 /* Expand the inodes (i_extra_isize) */
204 #define E2F_FLAG_DUP_BLOCK 0x20000 /* dup block found during pass1 */
206 #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE | E2F_FLAG_PROBLEMS_FIXED)
209 * Defines for indicating the e2fsck pass number
216 #define E2F_PASS_1B 6
219 E2F_SHARED_PRESERVE = 0,
229 #define EXT4_FITS_IN_INODE(ext4_inode, einode, field) \
230 ((offsetof(typeof(*ext4_inode), field) + \
231 sizeof(ext4_inode->field)) <= \
232 (EXT2_GOOD_OLD_INODE_SIZE + \
233 (einode)->i_extra_isize)) \
235 #define EXT4_XTIME_FUTURE(ctx, sb, xtime, margin) \
236 (!((ctx)->flags & E2F_FLAG_TIME_INSANE) && \
237 (xtime) > (ctx)->now + (margin))
238 #define EXT4_XTIME_ANCIENT(ctx, sb, xtime, margin) \
239 ((sb)->s_mkfs_time > (margin) && (xtime) < (sb)->s_mkfs_time - (margin))
241 #define BADNESS_NORMAL 1
242 #define BADNESS_HIGH 2
243 #define BADNESS_THRESHOLD 8
244 #define BADNESS_BAD_MODE 100
245 #define BADNESS_LARGE_FILE 2199023255552ULL
248 * Define the extended attribute refcount structure
250 typedef struct ea_refcount *ext2_refcount_t;
253 * This is the global e2fsck structure.
255 typedef struct e2fsck_struct *e2fsck_t;
257 #define MAX_EXTENT_DEPTH_COUNT 5
261 * Fields that used for multi-thread
263 struct e2fsck_thread {
266 /* The start group number for this thread */
267 dgrp_t et_group_start;
268 /* The end (not included) group number for this thread*/
270 /* The next group number to check */
271 dgrp_t et_group_next;
272 /* Scanned inode number */
273 ext2_ino_t et_inode_number;
275 char et_log_buf[2048];
279 struct e2fsck_struct {
280 /* ---- Following fields are never updated during the pass1 ---- */
281 /* Global context to get the cancel flag */
283 const char *program_name;
284 char *filesystem_name;
287 int options; /* E2F_OPT_* flags */
288 int blocksize; /* blocksize */
289 blk64_t use_superblock; /* sb requested by user */
290 blk64_t superblock; /* sb used to open fs */
291 blk64_t num_blocks; /* Total number of blocks */
293 ext2_ino_t free_inodes;
296 io_manager io_manager;
297 blkid_cache blkid; /* blkid cache */
301 #ifdef RESOURCE_TRACK
303 * For timing purposes
305 struct resource_track global_rtrack;
307 int bad_lost_and_found;
311 int process_inode_size;
312 int inode_buffer_blocks;
313 unsigned int htree_slack_percentage;
316 * ext3 journal support
318 io_channel journal_io;
322 /* For working around buggy init scripts */
328 /* Expand large inodes to atleast these many bytes */
329 int want_extra_isize;
330 /* minimum i_extra_isize found in used inodes. Should not be lesser
331 * than s_min_extra_isize.
333 __u32 min_extra_isize;
336 enum shared_opt shared;
337 enum clone_opt clone;
339 /* Are we connected directly to a tty? */
341 char start_meta[2], stop_meta[2];
343 * For the use of callers of the e2fsck functions; not used by
344 * e2fsck functions themselves.
349 /* How much are we allowed to readahead? */
350 unsigned long long readahead_kb;
352 /* ---- Following fields are shared by different threads for pass1 -*/
353 /* E2fsck internal flags */
356 int inode_badness_threshold;
359 * How we display the progress update (for unix)
363 int progress_last_percent;
364 unsigned int progress_last_time;
366 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
369 /* Metadata blocks */
370 ext2fs_block_bitmap block_metadata_map;
372 /* Reserve blocks for root and l+f re-creation */
373 blk64_t root_repair_block, lnf_repair_block;
375 * Location of the lost and found directory
377 ext2_ino_t lost_and_found;
379 /* ---- Following fields are seperated for each thread for pass1- */
384 char *problem_log_fn;
386 /* Inodes which are in use */
387 ext2fs_inode_bitmap inode_used_map;
388 /* Inodes which are bad somehow */
389 ext2fs_inode_bitmap inode_bad_map;
390 /* Inodes which are directories */
391 ext2fs_inode_bitmap inode_dir_map;
392 /* Inodes which are in bad blocks */
393 ext2fs_inode_bitmap inode_bb_map;
395 ext2fs_inode_bitmap inode_imagic_map;
396 /* Inodes which are regular files */
397 ext2fs_inode_bitmap inode_reg_map;
398 /* Inodes to rebuild extent trees */
399 ext2fs_inode_bitmap inodes_to_rebuild;
400 /* Blocks which are in use */
401 ext2fs_block_bitmap block_found_map;
402 /* Blks referenced more than once */
403 ext2fs_block_bitmap block_dup_map;
404 /* Blocks which are used by EA's */
405 ext2fs_block_bitmap block_ea_map;
407 ext2fs_inode_bitmap expand_eisize_map;
412 ext2_icount_t inode_count;
413 ext2_icount_t inode_link_info;
414 ext2_icount_t inode_badness;
416 ext2_refcount_t refcount;
417 ext2_refcount_t refcount_extra;
418 ext2_refcount_t refcount_orig;
421 * Quota blocks and inodes to be charged for each ea block.
423 ext2_refcount_t ea_block_quota_blocks;
424 ext2_refcount_t ea_block_quota_inodes;
427 * ea_inode references from attr entries.
429 ext2_refcount_t ea_inode_refs;
432 * Array of flags indicating whether an inode bitmap, block
433 * bitmap, or inode table is invalid
435 int *invalid_inode_bitmap_flag;
436 int *invalid_block_bitmap_flag;
437 int *invalid_inode_table_flag;
438 /* There are invalid bitmaps/itable */
447 * For pass1_check_directory and pass1_get_blocks
449 ext2_ino_t stashed_ino;
450 struct ext2_inode *stashed_inode;
453 * Directory information
455 struct dir_info_db *dir_info;
458 * Indexed directory information
460 ext2_ino_t dx_dir_info_count;
461 ext2_ino_t dx_dir_info_size;
462 struct dx_dir_info *dx_dir_info;
465 * Directories to hash
467 ext2_u32_list dirs_to_hash;
472 ext2_u32_list encrypted_dirs;
476 int fs_unexpanded_inodes;
477 __u32 fs_directory_count;
478 __u32 fs_regular_count;
479 __u32 fs_blockdev_count;
480 __u32 fs_chardev_count;
481 __u32 fs_links_count;
482 __u32 fs_symlinks_count;
483 __u32 fs_fast_symlinks_count;
485 __u32 fs_total_count;
486 __u32 fs_badblocks_count;
487 __u32 fs_sockets_count;
492 __u32 fs_fragmented_dir;
494 __u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT];
497 /* if @global_ctx is null, this field is unused */
498 struct e2fsck_thread thread_info;
499 __u32 pfs_num_threads;
500 __u32 mmp_update_thread;
502 /* serialize fix operation for multiple threads */
503 pthread_rwlock_t fs_fix_rwlock;
504 /* protect block_found_map, block_dup_map */
505 pthread_rwlock_t fs_block_map_rwlock;
512 * Enabling DEBUG_THREADS would cause the parallel
513 * fsck threads run sequentially.
515 struct e2fsck_thread_debug {
516 pthread_mutex_t etd_mutex;
517 pthread_cond_t etd_cond;
518 int etd_finished_threads;
522 struct e2fsck_thread_info {
523 /* ID returned by pthread_create() */
524 pthread_t eti_thread_id;
525 /* Application-defined thread index */
526 int eti_thread_index;
527 /* Thread has been started */
529 /* Context used for this thread */
530 e2fsck_t eti_thread_ctx;
532 struct e2fsck_thread_debug *eti_debug;
538 /* Data structures to evaluate whether an extent tree needs rebuilding. */
539 struct extent_tree_level {
540 unsigned int num_extents;
541 unsigned int max_extents;
544 struct extent_tree_info {
547 struct extent_tree_level ext_info[MAX_EXTENT_DEPTH_COUNT];
550 /* Used by the region allocation code */
551 typedef __u64 region_addr_t;
552 typedef struct region_struct *region_t;
555 #define strnlen(str, x) e2fsck_strnlen((str),(x))
556 extern int e2fsck_strnlen(const char * s, int count);
560 * Procedure declarations
563 extern void e2fsck_pass1(e2fsck_t ctx);
564 extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
565 extern void e2fsck_pass1_check_lock(e2fsck_t ctx);
566 extern void e2fsck_pass1_check_unlock(e2fsck_t ctx);
567 extern void e2fsck_pass2(e2fsck_t ctx);
568 extern void e2fsck_pass3(e2fsck_t ctx);
569 extern void e2fsck_pass4(e2fsck_t ctx);
570 extern void e2fsck_pass5(e2fsck_t ctx);
573 extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
574 extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
575 extern void e2fsck_free_context(e2fsck_t ctx);
576 extern int e2fsck_run(e2fsck_t ctx);
580 extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
581 int replace_bad_blocks);
584 extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
585 void e2fsck_merge_dir_info(e2fsck_t ctx, struct dir_info_db *src,
586 struct dir_info_db *dest);
587 extern void e2fsck_free_dir_info(e2fsck_t ctx);
588 extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
589 extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx);
590 extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx,
591 struct dir_info_iter *);
592 extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *);
593 extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino,
595 extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino,
597 extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino,
599 extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino,
601 extern void e2fsck_merge_dx_dir(e2fsck_t global_ctx, e2fsck_t thread_ctx);
604 extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino,
605 struct ext2_inode *inode, int num_blocks);
606 extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
607 extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
608 extern ext2_ino_t e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
609 extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx,
610 ext2_ino_t *control);
613 typedef __u64 ea_key_t;
614 typedef __u64 ea_value_t;
616 extern errcode_t ea_refcount_create(size_t size, ext2_refcount_t *ret);
617 extern void ea_refcount_free(ext2_refcount_t refcount);
618 extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, ea_key_t ea_key,
620 extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
621 ea_key_t ea_key, ea_value_t *ret);
622 extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
623 ea_key_t ea_key, ea_value_t *ret);
624 extern errcode_t ea_refcount_store(ext2_refcount_t refcount, ea_key_t ea_key,
626 extern size_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
627 extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
628 extern ea_key_t ea_refcount_intr_next(ext2_refcount_t refcount,
632 extern const char *ehandler_operation(const char *op);
633 extern void ehandler_init(io_channel channel);
636 struct problem_context;
637 errcode_t e2fsck_rebuild_extents_later(e2fsck_t ctx, ext2_ino_t ino);
638 int e2fsck_ino_will_be_rebuilt(e2fsck_t ctx, ext2_ino_t ino);
639 void e2fsck_pass1e(e2fsck_t ctx);
640 errcode_t e2fsck_check_rebuild_extents(e2fsck_t ctx, ext2_ino_t ino,
641 struct ext2_inode *inode,
642 struct problem_context *pctx);
643 errcode_t e2fsck_should_rebuild_extents(e2fsck_t ctx,
644 struct problem_context *pctx,
645 struct extent_tree_info *eti,
646 struct ext2_extent_info *info);
649 extern errcode_t e2fsck_check_ext3_journal(e2fsck_t ctx);
650 extern errcode_t e2fsck_run_ext3_journal(e2fsck_t ctx);
651 extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
652 extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx);
655 extern void set_up_logging(e2fsck_t ctx);
658 extern void e2fsck_hide_quota(e2fsck_t ctx);
659 extern void e2fsck_validate_quota_inodes(e2fsck_t ctx);
662 extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name,
663 int flags, ext2_icount_t hint,
665 extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts);
666 extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
667 struct ext2_inode *inode);
668 extern int e2fsck_pass1_check_symlink(e2fsck_t ctx, ext2_ino_t ino,
669 struct ext2_inode *inode, char *buf);
670 extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
671 struct ext2_inode *inode, int restart_flag,
673 #define e2fsck_mark_inode_bad(ctx, ino, count) \
674 e2fsck_mark_inode_bad_loc(ctx, ino, count, __func__, __LINE__)
675 extern void e2fsck_mark_inode_bad_loc(e2fsck_t ctx, ino_t ino, int count,
676 const char *func, const int line);
677 extern int is_inode_bad(e2fsck_t ctx, ino_t ino);
678 extern void e2fsck_intercept_block_allocations(e2fsck_t ctx);
681 extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
682 ext2_ino_t ino, char *buf);
685 extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
686 extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
687 int num, int gauranteed_size);
688 extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
689 extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
693 #define E2FSCK_READA_SUPER (0x01)
694 #define E2FSCK_READA_GDT (0x02)
695 #define E2FSCK_READA_BBITMAP (0x04)
696 #define E2FSCK_READA_IBITMAP (0x08)
697 #define E2FSCK_READA_ITABLE (0x10)
698 #define E2FSCK_READA_ALL_FLAGS (0x1F)
699 errcode_t e2fsck_readahead(ext2_filsys fs, int flags, dgrp_t start,
701 #define E2FSCK_RA_DBLIST_IGNORE_BLOCKCNT (0x01)
702 #define E2FSCK_RA_DBLIST_ALL_FLAGS (0x01)
703 errcode_t e2fsck_readahead_dblist(ext2_filsys fs, int flags,
705 unsigned long long start,
706 unsigned long long count);
707 int e2fsck_can_readahead(ext2_filsys fs);
708 unsigned long long e2fsck_guess_readahead(ext2_filsys fs);
711 extern region_t region_create(region_addr_t min, region_addr_t max);
712 extern void region_free(region_t region);
713 extern int region_allocate(region_t region, region_addr_t start, int n);
716 void e2fsck_rehash_dir_later(e2fsck_t ctx, ext2_ino_t ino);
717 int e2fsck_dir_will_be_rehashed(e2fsck_t ctx, ext2_ino_t ino);
718 errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino,
719 struct problem_context *pctx);
720 void e2fsck_rehash_directories(e2fsck_t ctx);
723 void sigcatcher_setup(void);
726 void check_super_block(e2fsck_t ctx);
727 int check_backup_super_block(e2fsck_t ctx);
728 void check_resize_inode(e2fsck_t ctx);
731 #define E2FSCK_MAX_THREADS (65535)
732 extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned long size,
733 const char *description);
734 extern int ask(e2fsck_t ctx, const char * string, int def);
735 extern int ask_yn(e2fsck_t ctx, const char * string, int def);
736 extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
737 extern void log_out(e2fsck_t ctx, const char *fmt, ...)
738 E2FSCK_ATTR((format(printf, 2, 3)));
739 extern void log_err(e2fsck_t ctx, const char *fmt, ...)
740 E2FSCK_ATTR((format(printf, 2, 3)));
741 extern void e2fsck_read_bitmaps(e2fsck_t ctx);
742 extern void e2fsck_write_bitmaps(e2fsck_t ctx);
743 extern void preenhalt(e2fsck_t ctx);
744 extern char *string_copy(e2fsck_t ctx, const char *str, int len);
745 extern int fs_proc_check(const char *fs_name);
746 extern int check_for_modules(const char *fs_name);
747 #ifdef RESOURCE_TRACK
748 extern void print_resource_track(e2fsck_t ctx,
750 struct resource_track *track,
752 extern void init_resource_track(struct resource_track *track,
755 #define print_resource_track(ctx, desc, track, channel) do { } while (0)
756 #define init_resource_track(track, channel) do { } while (0)
758 extern int inode_has_valid_blocks(struct ext2_inode *inode);
759 extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
760 struct ext2_inode * inode, const char * proc);
761 extern void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino,
762 struct ext2_inode *inode,
763 const int bufsize, const char *proc);
764 extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
765 struct ext2_inode * inode, const char * proc);
766 extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
767 struct ext2_inode * inode, int bufsize,
770 extern void mtrace_print(char *mesg);
772 extern blk64_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
773 const char *name, io_manager manager);
774 extern int ext2_file_type(unsigned int mode);
775 extern int write_all(int fd, char *buf, size_t count);
776 void dump_mmp_msg(struct mmp_struct *mmp, const char *fmt, ...)
777 E2FSCK_ATTR((format(printf, 2, 3)));
778 errcode_t e2fsck_mmp_update(ext2_filsys fs);
780 extern void e2fsck_set_bitmap_type(ext2_filsys fs,
781 unsigned int default_type,
782 const char *profile_name,
783 unsigned int *old_type);
784 extern errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs,
787 const char *profile_name,
788 ext2fs_inode_bitmap *ret);
789 extern errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs,
792 const char *profile_name,
793 ext2fs_block_bitmap *ret);
794 extern errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs,
797 const char *profile_name,
798 ext2fs_block_bitmap *ret);
799 unsigned long long get_memory_size(void);
800 extern void e2fsck_pass1_fix_lock(e2fsck_t ctx);
801 extern void e2fsck_pass1_fix_unlock(e2fsck_t ctx);
802 extern void e2fsck_pass1_block_map_w_lock(e2fsck_t ctx);
803 extern void e2fsck_pass1_block_map_w_unlock(e2fsck_t ctx);
804 extern void e2fsck_pass1_block_map_r_lock(e2fsck_t ctx);
805 extern void e2fsck_pass1_block_map_r_unlock(e2fsck_t ctx);
808 extern void e2fsck_clear_progbar(e2fsck_t ctx);
809 extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
810 float percent, unsigned int dpynum);
812 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
814 #endif /* _E2FSCK_H */