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"
72 #if __GNUC_PREREQ (4, 6)
73 #pragma GCC diagnostic push
74 #pragma GCC diagnostic ignored "-Wunused-function"
76 #include "ext2fs/fast_commit.h"
77 #if __GNUC_PREREQ (4, 6)
78 #pragma GCC diagnostic pop
82 * Exit codes used by fsck-type programs
84 #define FSCK_OK 0 /* No errors */
85 #define FSCK_NONDESTRUCT 1 /* File system errors corrected */
86 #define FSCK_REBOOT 2 /* System should be rebooted */
87 #define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
88 #define FSCK_ERROR 8 /* Operational error */
89 #define FSCK_USAGE 16 /* Usage or syntax error */
90 #define FSCK_CANCELED 32 /* Aborted with a signal or ^C */
91 #define FSCK_LIBRARY 128 /* Shared library error */
94 * The last ext2fs revision level that this version of e2fsck is able to
97 #define E2FSCK_CURRENT_REV 1
100 * The directory information structure; stores directory information
101 * collected in earlier passes, to avoid disk i/o in fetching the
102 * directory information.
105 ext2_ino_t ino; /* Inode number */
106 ext2_ino_t dotdot; /* Parent according to '..' */
107 ext2_ino_t parent; /* Parent according to treewalk */
112 * The indexed directory information structure; stores information for
113 * directories which contain a hash tree index.
116 ext2_ino_t ino; /* Inode number */
117 short depth; /* depth of tree (15 bits) */
119 __u8 casefolded_hash:1;
120 blk_t numblocks; /* number of blocks in dir */
121 struct dx_dirblock_info *dx_block; /* Array of size numblocks */
124 #define DX_DIRBLOCK_ROOT 1
125 #define DX_DIRBLOCK_LEAF 2
126 #define DX_DIRBLOCK_NODE 3
127 #define DX_DIRBLOCK_CORRUPT 4
128 #define DX_DIRBLOCK_CLEARED 8
130 struct dx_dirblock_info {
136 ext2_dirhash_t min_hash;
137 ext2_dirhash_t max_hash;
138 ext2_dirhash_t node_min_hash;
139 ext2_dirhash_t node_max_hash;
142 #define DX_FLAG_REFERENCED 1
143 #define DX_FLAG_DUP_REF 2
144 #define DX_FLAG_FIRST 4
145 #define DX_FLAG_LAST 8
147 struct encrypted_file_info;
149 #define RESOURCE_TRACK
151 #ifdef RESOURCE_TRACK
153 * This structure is used for keeping track of how much resources have
154 * been used for a particular pass of e2fsck.
156 struct resource_track {
157 struct timeval time_start;
158 struct timeval user_start;
159 struct timeval system_start;
161 unsigned long long bytes_read;
162 unsigned long long bytes_written;
169 #define E2F_OPT_READONLY 0x0001
170 #define E2F_OPT_PREEN 0x0002
171 #define E2F_OPT_YES 0x0004
172 #define E2F_OPT_NO 0x0008
173 #define E2F_OPT_TIME 0x0010
174 #define E2F_OPT_TIME2 0x0020
175 #define E2F_OPT_CHECKBLOCKS 0x0040
176 #define E2F_OPT_DEBUG 0x0080
177 #define E2F_OPT_FORCE 0x0100
178 #define E2F_OPT_WRITECHECK 0x0200
179 #define E2F_OPT_COMPRESS_DIRS 0x0400
180 #define E2F_OPT_FRAGCHECK 0x0800
181 #define E2F_OPT_JOURNAL_ONLY 0x1000 /* only replay the journal */
182 #define E2F_OPT_DISCARD 0x2000
183 #define E2F_OPT_CONVERT_BMAP 0x4000 /* convert blockmap to extent */
184 #define E2F_OPT_FIXES_ONLY 0x8000 /* skip all optimizations */
185 #define E2F_OPT_NOOPT_EXTENTS 0x10000 /* don't optimize extents */
186 #define E2F_OPT_ICOUNT_FULLMAP 0x20000 /* use an array for inode counts */
187 #define E2F_OPT_UNSHARE_BLOCKS 0x40000
188 #define E2F_OPT_CLEAR_UNINIT 0x80000 /* Hack to clear the uninit bit */
189 #define E2F_OPT_CHECK_ENCODING 0x100000 /* Force verification of encoded filenames */
190 #define E2F_OPT_MULTITHREAD 0x200000 /* Use multiple threads to speedup */
195 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
196 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
197 #define E2F_FLAG_SIGNAL_MASK (E2F_FLAG_ABORT | E2F_FLAG_CANCEL)
198 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
199 #define E2F_FLAG_RUN_RETURN (E2F_FLAG_SIGNAL_MASK | E2F_FLAG_RESTART)
200 #define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */
201 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
203 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
204 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
205 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
206 #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
207 * specified by the user */
208 #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
209 #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
210 #define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */
211 #define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */
212 #define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */
213 #define E2F_FLAG_PROBLEMS_FIXED 0x4000 /* At least one problem was fixed */
214 #define E2F_FLAG_ALLOC_OK 0x8000 /* Can we allocate blocks? */
215 #define E2F_FLAG_EXPAND_EISIZE 0x10000 /* Expand the inodes (i_extra_isize) */
216 #define E2F_FLAG_DUP_BLOCK 0x20000 /* dup block found during pass1 */
218 #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE | E2F_FLAG_PROBLEMS_FIXED)
221 * Defines for indicating the e2fsck pass number
228 #define E2F_PASS_1B 6
231 E2F_SHARED_PRESERVE = 0,
241 #define EXT4_FITS_IN_INODE(ext4_inode, einode, field) \
242 ((offsetof(typeof(*ext4_inode), field) + \
243 sizeof(ext4_inode->field)) <= \
244 (EXT2_GOOD_OLD_INODE_SIZE + \
245 (einode)->i_extra_isize)) \
247 #define EXT4_XTIME_FUTURE(ctx, sb, xtime, margin) \
248 (!((ctx)->flags & E2F_FLAG_TIME_INSANE) && \
249 (xtime) > (ctx)->now + (margin))
250 #define EXT4_XTIME_ANCIENT(ctx, sb, xtime, margin) \
251 ((sb)->s_mkfs_time > (margin) && (xtime) < (sb)->s_mkfs_time - (margin))
253 #define BADNESS_THRESHOLD 12
254 #define BADNESS_MAX 0x7fff
257 * Define the extended attribute refcount structure
259 typedef struct ea_refcount *ext2_refcount_t;
262 * This is the global e2fsck structure.
264 typedef struct e2fsck_struct *e2fsck_t;
266 #define MAX_EXTENT_DEPTH_COUNT 8
269 * This strucutre is used to manage the list of extents in a file. Placing
270 * it here since this is used by fast_commit.h.
273 blk64_t blocks_freed;
274 struct ext2fs_extent *extents;
277 unsigned int ext_read;
282 /* State structure for fast commit replay */
283 struct e2fsck_fc_replay_state {
284 struct extent_list fc_extent_list;
285 int fc_replay_num_tags;
286 int fc_replay_expected_off;
287 enum passtype fc_current_pass;
290 __u16 fc_super_state;
295 * Fields that used for multi-thread
297 struct e2fsck_thread {
300 /* The start group number for this thread */
301 dgrp_t et_group_start;
302 /* The end (not included) group number for this thread*/
304 /* The next group number to check */
305 dgrp_t et_group_next;
306 /* Scanned inode number */
307 ext2_ino_t et_inode_number;
309 char et_log_buf[2048];
313 struct e2fsck_struct {
314 /* Global context to get the cancel flag */
316 ext2_filsys fs; /* [fs_fix_rwlock] */
317 const char *program_name;
318 char *filesystem_name;
324 char *problem_log_fn;
325 /* E2fsck internal flags.
326 * shared by different threads for pass1 [fs_fix_rwlock] */
329 unsigned blocksize; /* blocksize */
330 blk64_t use_superblock; /* sb requested by user */
331 blk64_t superblock; /* sb used to open fs */
332 blk64_t num_blocks; /* Total number of blocks */
334 ext2_ino_t free_inodes;
337 io_manager io_manager;
338 blkid_cache blkid; /* blkid cache */
343 unsigned long abort_code;
345 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
348 /* The following inode bitmaps are separately used in thread_ctx Pass1*/
349 ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
350 ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
351 ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
352 ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
353 ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
354 ext2fs_inode_bitmap inode_casefold_map; /* Inodes which are casefolded */
356 /* Following 3 protected by [fs_block_map_rwlock] */
357 ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
358 ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
359 ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
362 * Inode count arrays.
363 * Separately used in thread_ctx, pass1
365 ext2_icount_t inode_count;
366 ext2_icount_t inode_link_info;
367 ext2_icount_t inode_badness;
368 unsigned int inode_badness_threshold;
370 ext2_refcount_t refcount;
371 ext2_refcount_t refcount_extra;
372 ext2_refcount_t refcount_orig;
375 * Quota blocks and inodes to be charged for each ea block.
377 ext2_refcount_t ea_block_quota_blocks;
378 ext2_refcount_t ea_block_quota_inodes;
381 * ea_inode references from attr entries.
383 ext2_refcount_t ea_inode_refs;
386 * Array of flags indicating whether an inode bitmap, block
387 * bitmap, or inode table is invalid.
388 * Separately used in thread_ctx, pass1
390 int *invalid_inode_bitmap_flag;
391 int *invalid_block_bitmap_flag;
392 int *invalid_inode_table_flag;
393 int invalid_bitmaps; /* There are invalid bitmaps/itable */
401 * For pass1_check_directory and pass1_get_blocks.
402 * Separately used in thread_ctx in pass1
404 ext2_ino_t stashed_ino;
405 struct ext2_inode *stashed_inode;
408 * Location of the lost and found directory
410 ext2_ino_t lost_and_found;
411 int bad_lost_and_found;
414 * Directory information
416 struct dir_info_db *dir_info;
419 * Indexed directory information
421 ext2_ino_t dx_dir_info_count;
422 ext2_ino_t dx_dir_info_size;
423 struct dx_dir_info *dx_dir_info;
426 * Directories to hash
428 ext2_u32_list dirs_to_hash;
431 * Encrypted file information
433 struct encrypted_file_info *encrypted_files;
438 int process_inode_size;
439 int inode_buffer_blocks;
440 unsigned int htree_slack_percentage;
443 * ext3 journal support
445 io_channel journal_io;
452 #ifdef RESOURCE_TRACK
454 * For timing purposes
456 struct resource_track global_rtrack;
460 * How we display the progress update (for unix)
461 * shared by different threads for pass1 [fs_fix_rwlock]
465 int progress_last_percent;
466 unsigned int progress_last_time;
467 int interactive; /* Are we connected directly to a tty? */
468 char start_meta[2], stop_meta[2];
470 /* File counts. Separately used in thread_ctx, pass1 */
471 __u32 fs_directory_count;
472 __u32 fs_regular_count;
473 __u32 fs_blockdev_count;
474 __u32 fs_chardev_count;
475 __u32 fs_links_count;
476 __u32 fs_symlinks_count;
477 __u32 fs_fast_symlinks_count;
479 __u32 fs_total_count;
480 __u32 fs_badblocks_count;
481 __u32 fs_sockets_count;
486 __u32 fs_fragmented_dir;
489 __u32 fs_ext_attr_inodes;
490 __u32 fs_ext_attr_blocks;
491 __u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT];
495 time_t time_fudge; /* For working around buggy init scripts */
497 enum shared_opt shared;
498 enum clone_opt clone;
501 ext2_u32_list casefolded_dirs;
503 /* Expand large inodes to atleast these many bytes */
504 int want_extra_isize;
505 /* minimum i_extra_isize found in used inodes. Should not be lesser
506 * than s_min_extra_isize.
508 __u32 min_extra_isize;
509 int fs_unexpanded_inodes;
510 ext2fs_inode_bitmap expand_eisize_map;
512 /* Reserve blocks for root and l+f re-creation */
513 blk64_t root_repair_block, lnf_repair_block;
516 * For the use of callers of the e2fsck functions; not used by
517 * e2fsck functions themselves.
520 ext2fs_block_bitmap block_metadata_map; /* Metadata blocks */
522 /* How much are we allowed to readahead? */
523 unsigned long long readahead_kb;
526 * Inodes to rebuild extent trees
528 ext2fs_inode_bitmap inodes_to_rebuild;
533 /* Fast commit replay state */
534 struct e2fsck_fc_replay_state fc_replay_state;
536 /* if @global_ctx is null, this field is unused */
537 struct e2fsck_thread thread_info;
538 __u32 pfs_num_threads;
539 __u32 mmp_update_thread;
541 /* serialize fix operation for multiple threads */
542 pthread_rwlock_t fs_fix_rwlock;
543 /* protect block_found_map, block_dup_map */
544 pthread_rwlock_t fs_block_map_rwlock;
545 struct e2fsck_thread_info *infos;
552 * Enabling DEBUG_THREADS would cause the parallel
553 * fsck threads run sequentially.
555 struct e2fsck_thread_debug {
556 pthread_mutex_t etd_mutex;
557 pthread_cond_t etd_cond;
558 int etd_finished_threads;
562 struct e2fsck_thread_info {
563 /* ID returned by pthread_create() */
564 pthread_t eti_thread_id;
565 /* Application-defined thread index */
566 int eti_thread_index;
567 /* Thread has been started */
569 /* Context used for this thread */
570 e2fsck_t eti_thread_ctx;
572 struct e2fsck_thread_debug *eti_debug;
578 /* Data structures to evaluate whether an extent tree needs rebuilding. */
579 struct extent_tree_level {
580 unsigned int num_extents;
581 unsigned int max_extents;
584 struct extent_tree_info {
587 struct extent_tree_level ext_info[MAX_EXTENT_DEPTH_COUNT];
590 /* Used by the region allocation code */
591 typedef __u64 region_addr_t;
592 typedef struct region_struct *region_t;
595 #define strnlen(str, x) e2fsck_strnlen((str),(x))
596 extern int e2fsck_strnlen(const char * s, int count);
600 * Procedure declarations
603 extern void e2fsck_pass1(e2fsck_t ctx);
604 extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
605 extern void e2fsck_pass1_check_lock(e2fsck_t ctx);
606 extern void e2fsck_pass1_check_unlock(e2fsck_t ctx);
607 extern void e2fsck_pass2(e2fsck_t ctx);
608 extern void e2fsck_pass3(e2fsck_t ctx);
609 extern void e2fsck_pass4(e2fsck_t ctx);
610 extern void e2fsck_pass5(e2fsck_t ctx);
613 extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
614 extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
615 extern void e2fsck_free_context(e2fsck_t ctx);
616 extern int e2fsck_run(e2fsck_t ctx);
620 extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
621 int replace_bad_blocks);
624 extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
625 void e2fsck_merge_dir_info(e2fsck_t ctx, struct dir_info_db *src,
626 struct dir_info_db *dest);
627 extern void e2fsck_free_dir_info(e2fsck_t ctx);
628 extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
629 extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx);
630 extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx,
631 struct dir_info_iter *);
632 extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *);
633 extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino,
635 extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino,
637 extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino,
639 extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino,
641 extern void e2fsck_merge_dx_dir(e2fsck_t global_ctx, e2fsck_t thread_ctx);
644 extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino,
645 struct ext2_inode *inode, int num_blocks);
646 extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
647 extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
648 extern ext2_ino_t e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
649 extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx,
650 ext2_ino_t *control);
653 typedef __u64 ea_key_t;
654 typedef __u64 ea_value_t;
656 extern errcode_t ea_refcount_create(size_t size, ext2_refcount_t *ret);
657 extern void ea_refcount_free(ext2_refcount_t refcount);
658 extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, ea_key_t ea_key,
660 extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
661 ea_key_t ea_key, ea_value_t *ret);
662 extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
663 ea_key_t ea_key, ea_value_t *ret);
664 extern errcode_t ea_refcount_store(ext2_refcount_t refcount, ea_key_t ea_key,
666 extern size_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
667 extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
668 extern ea_key_t ea_refcount_intr_next(ext2_refcount_t refcount,
672 extern const char *ehandler_operation(const char *op);
673 extern void ehandler_init(io_channel channel);
675 /* encrypted_files.c */
677 struct problem_context;
678 int add_encrypted_file(e2fsck_t ctx, struct problem_context *pctx);
680 #define NO_ENCRYPTION_POLICY ((__u32)-1)
681 #define CORRUPT_ENCRYPTION_POLICY ((__u32)-2)
682 #define UNRECOGNIZED_ENCRYPTION_POLICY ((__u32)-3)
683 __u32 find_encryption_policy(e2fsck_t ctx, ext2_ino_t ino);
685 void destroy_encryption_policy_map(e2fsck_t ctx);
686 void destroy_encrypted_file_info(e2fsck_t ctx);
689 errcode_t e2fsck_rebuild_extents_later(e2fsck_t ctx, ext2_ino_t ino);
690 int e2fsck_ino_will_be_rebuilt(e2fsck_t ctx, ext2_ino_t ino);
691 void e2fsck_pass1e(e2fsck_t ctx);
692 errcode_t e2fsck_check_rebuild_extents(e2fsck_t ctx, ext2_ino_t ino,
693 struct ext2_inode *inode,
694 struct problem_context *pctx);
695 errcode_t e2fsck_should_rebuild_extents(e2fsck_t ctx,
696 struct problem_context *pctx,
697 struct extent_tree_info *eti,
698 struct ext2_extent_info *info);
699 errcode_t e2fsck_read_extents(e2fsck_t ctx, struct extent_list *extents);
700 errcode_t e2fsck_rewrite_extent_tree(e2fsck_t ctx,
701 struct extent_list *extents);
704 extern errcode_t e2fsck_check_ext3_journal(e2fsck_t ctx);
705 extern errcode_t e2fsck_run_ext3_journal(e2fsck_t ctx);
706 extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
707 extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx);
710 extern void set_up_logging(e2fsck_t ctx);
713 extern void e2fsck_hide_quota(e2fsck_t ctx);
714 extern void e2fsck_validate_quota_inodes(e2fsck_t ctx);
717 extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name,
718 int flags, ext2_icount_t hint,
720 extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts);
721 extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
722 struct ext2_inode *inode);
723 extern int e2fsck_pass1_check_symlink(e2fsck_t ctx, ext2_ino_t ino,
724 struct ext2_inode *inode, char *buf);
725 extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
726 struct ext2_inode *inode, int restart_flag,
728 #define e2fsck_mark_inode_bad(ctx, pctx, code) \
729 e2fsck_mark_inode_bad_loc(ctx, pctx, code, 1, __func__, __LINE__)
730 #define e2fsck_mark_inode_badder(ctx, pctx, code) \
731 e2fsck_mark_inode_bad_loc(ctx, pctx, code, 2, __func__, __LINE__)
732 extern void e2fsck_mark_inode_bad_loc(e2fsck_t ctx,
733 struct problem_context *pctx, __u32 code,
734 int count, const char *func, const int line);
735 extern int e2fsck_fix_bad_inode(e2fsck_t ctx, struct problem_context *pctx);
736 extern void e2fsck_intercept_block_allocations(e2fsck_t ctx);
739 extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
740 ext2_ino_t ino, char *buf);
743 extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
744 extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
745 int num, int gauranteed_size);
746 extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
747 extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
751 #define E2FSCK_READA_SUPER (0x01)
752 #define E2FSCK_READA_GDT (0x02)
753 #define E2FSCK_READA_BBITMAP (0x04)
754 #define E2FSCK_READA_IBITMAP (0x08)
755 #define E2FSCK_READA_ITABLE (0x10)
756 #define E2FSCK_READA_ALL_FLAGS (0x1F)
757 errcode_t e2fsck_readahead(ext2_filsys fs, int flags, dgrp_t start,
759 #define E2FSCK_RA_DBLIST_IGNORE_BLOCKCNT (0x01)
760 #define E2FSCK_RA_DBLIST_ALL_FLAGS (0x01)
761 errcode_t e2fsck_readahead_dblist(ext2_filsys fs, int flags,
763 unsigned long long start,
764 unsigned long long count);
765 int e2fsck_can_readahead(ext2_filsys fs);
766 unsigned long long e2fsck_guess_readahead(ext2_filsys fs);
769 extern region_t region_create(region_addr_t min, region_addr_t max);
770 extern void region_free(region_t region);
771 extern int region_allocate(region_t region, region_addr_t start, int n);
774 void e2fsck_rehash_dir_later(e2fsck_t ctx, ext2_ino_t ino);
775 int e2fsck_dir_will_be_rehashed(e2fsck_t ctx, ext2_ino_t ino);
776 errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino,
777 struct problem_context *pctx);
778 void e2fsck_rehash_directories(e2fsck_t ctx);
781 void sigcatcher_setup(void);
784 void check_super_block(e2fsck_t ctx);
785 int check_backup_super_block(e2fsck_t ctx);
786 void check_resize_inode(e2fsck_t ctx);
789 #define E2FSCK_MAX_THREADS (65535)
790 extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned long size,
791 const char *description);
792 extern int ask(e2fsck_t ctx, const char * string, int def);
793 extern int ask_yn(e2fsck_t ctx, const char * string, int def);
794 extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
795 extern void log_out(e2fsck_t ctx, const char *fmt, ...)
796 E2FSCK_ATTR((format(printf, 2, 3)));
797 extern void log_err(e2fsck_t ctx, const char *fmt, ...)
798 E2FSCK_ATTR((format(printf, 2, 3)));
799 extern void e2fsck_read_bitmaps(e2fsck_t ctx);
800 extern void e2fsck_write_bitmaps(e2fsck_t ctx);
801 extern void preenhalt(e2fsck_t ctx);
802 extern char *string_copy(e2fsck_t ctx, const char *str, size_t len);
803 extern int fs_proc_check(const char *fs_name);
804 extern int check_for_modules(const char *fs_name);
805 #ifdef RESOURCE_TRACK
806 extern void print_resource_track(e2fsck_t ctx,
808 struct resource_track *track,
810 extern void init_resource_track(struct resource_track *track,
813 #define print_resource_track(ctx, desc, track, channel) do { } while (0)
814 #define init_resource_track(track, channel) do { } while (0)
816 extern int inode_has_valid_blocks(struct ext2_inode *inode);
817 extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
818 struct ext2_inode * inode, const char * proc);
819 extern void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino,
820 struct ext2_inode *inode,
821 const int bufsize, const char *proc);
822 extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
823 struct ext2_inode * inode, const char * proc);
824 extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
825 struct ext2_inode * inode, int bufsize,
828 extern void mtrace_print(char *mesg);
830 extern blk64_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
831 const char *name, io_manager manager);
832 extern int ext2_file_type(unsigned int mode);
833 extern int write_all(int fd, char *buf, size_t count);
834 void dump_mmp_msg(struct mmp_struct *mmp, const char *fmt, ...)
835 E2FSCK_ATTR((format(printf, 2, 3)));
836 errcode_t e2fsck_mmp_update(ext2_filsys fs);
838 extern void e2fsck_set_bitmap_type(ext2_filsys fs,
839 unsigned int default_type,
840 const char *profile_name,
841 unsigned int *old_type);
842 extern errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs,
845 const char *profile_name,
846 ext2fs_inode_bitmap *ret);
847 extern errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs,
850 const char *profile_name,
851 ext2fs_block_bitmap *ret);
852 extern errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs,
855 const char *profile_name,
856 ext2fs_block_bitmap *ret);
857 unsigned long long get_memory_size(void);
858 extern void e2fsck_pass1_fix_lock(e2fsck_t ctx);
859 extern void e2fsck_pass1_fix_unlock(e2fsck_t ctx);
860 extern void e2fsck_pass1_block_map_w_lock(e2fsck_t ctx);
861 extern void e2fsck_pass1_block_map_w_unlock(e2fsck_t ctx);
862 extern void e2fsck_pass1_block_map_r_lock(e2fsck_t ctx);
863 extern void e2fsck_pass1_block_map_r_unlock(e2fsck_t ctx);
866 extern void e2fsck_clear_progbar(e2fsck_t ctx);
867 extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
868 float percent, unsigned int dpynum);
870 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
872 #endif /* _E2FSCK_H */