4 * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
5 * redistributed under the terms of the GNU Public License.
19 #ifdef HAVE_SYS_TYPES_H
20 #include <sys/types.h>
22 #ifdef HAVE_SYS_TIME_H
29 #if EXT2_FLAT_INCLUDES
34 #include "ext2fs/ext2_fs.h"
35 #include "ext2fs/ext2fs.h"
36 #include "blkid/blkid.h"
39 #include "support/profile.h"
40 #include "support/prof_err.h"
45 #define _(a) (gettext (a))
47 #define N_(a) gettext_noop (a)
51 #define P_(singular, plural, n) (ngettext (singular, plural, n))
53 #define NLS_CAT_NAME "e2fsprogs"
56 #define LOCALEDIR "/usr/share/locale"
61 #define P_(singular, plural, n) ((n) == 1 ? (singular) : (plural))
65 #define E2FSCK_ATTR(x) __attribute__(x)
67 #define E2FSCK_ATTR(x)
70 #include "support/quotaio.h"
71 #if __GNUC_PREREQ (4, 6)
72 #pragma GCC diagnostic push
73 #pragma GCC diagnostic ignored "-Wunused-function"
75 #include "ext2fs/fast_commit.h"
76 #if __GNUC_PREREQ (4, 6)
77 #pragma GCC diagnostic pop
81 * Exit codes used by fsck-type programs
83 #define FSCK_OK 0 /* No errors */
84 #define FSCK_NONDESTRUCT 1 /* File system errors corrected */
85 #define FSCK_REBOOT 2 /* System should be rebooted */
86 #define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
87 #define FSCK_ERROR 8 /* Operational error */
88 #define FSCK_USAGE 16 /* Usage or syntax error */
89 #define FSCK_CANCELED 32 /* Aborted with a signal or ^C */
90 #define FSCK_LIBRARY 128 /* Shared library error */
93 * The last ext2fs revision level that this version of e2fsck is able to
96 #define E2FSCK_CURRENT_REV 1
99 * The directory information structure; stores directory information
100 * collected in earlier passes, to avoid disk i/o in fetching the
101 * directory information.
104 ext2_ino_t ino; /* Inode number */
105 ext2_ino_t dotdot; /* Parent according to '..' */
106 ext2_ino_t parent; /* Parent according to treewalk */
111 * The indexed directory information structure; stores information for
112 * directories which contain a hash tree index.
115 ext2_ino_t ino; /* Inode number */
116 short depth; /* depth of tree (15 bits) */
118 __u8 casefolded_hash:1;
119 blk_t numblocks; /* number of blocks in dir */
120 struct dx_dirblock_info *dx_block; /* Array of size numblocks */
123 #define DX_DIRBLOCK_ROOT 1
124 #define DX_DIRBLOCK_LEAF 2
125 #define DX_DIRBLOCK_NODE 3
126 #define DX_DIRBLOCK_CORRUPT 4
127 #define DX_DIRBLOCK_CLEARED 8
129 struct dx_dirblock_info {
135 ext2_dirhash_t min_hash;
136 ext2_dirhash_t max_hash;
137 ext2_dirhash_t node_min_hash;
138 ext2_dirhash_t node_max_hash;
141 #define DX_FLAG_REFERENCED 1
142 #define DX_FLAG_DUP_REF 2
143 #define DX_FLAG_FIRST 4
144 #define DX_FLAG_LAST 8
146 struct encrypted_file_info;
148 #define RESOURCE_TRACK
150 #ifdef RESOURCE_TRACK
152 * This structure is used for keeping track of how much resources have
153 * been used for a particular pass of e2fsck.
155 struct resource_track {
156 struct timeval time_start;
157 struct timeval user_start;
158 struct timeval system_start;
160 unsigned long long bytes_read;
161 unsigned long long bytes_written;
168 #define E2F_OPT_READONLY 0x0001
169 #define E2F_OPT_PREEN 0x0002
170 #define E2F_OPT_YES 0x0004
171 #define E2F_OPT_NO 0x0008
172 #define E2F_OPT_TIME 0x0010
173 #define E2F_OPT_TIME2 0x0020
174 #define E2F_OPT_CHECKBLOCKS 0x0040
175 #define E2F_OPT_DEBUG 0x0080
176 #define E2F_OPT_FORCE 0x0100
177 #define E2F_OPT_WRITECHECK 0x0200
178 #define E2F_OPT_COMPRESS_DIRS 0x0400
179 #define E2F_OPT_FRAGCHECK 0x0800
180 #define E2F_OPT_JOURNAL_ONLY 0x1000 /* only replay the journal */
181 #define E2F_OPT_DISCARD 0x2000
182 #define E2F_OPT_CONVERT_BMAP 0x4000 /* convert blockmap to extent */
183 #define E2F_OPT_FIXES_ONLY 0x8000 /* skip all optimizations */
184 #define E2F_OPT_NOOPT_EXTENTS 0x10000 /* don't optimize extents */
185 #define E2F_OPT_ICOUNT_FULLMAP 0x20000 /* use an array for inode counts */
186 #define E2F_OPT_UNSHARE_BLOCKS 0x40000
187 #define E2F_OPT_CLEAR_UNINIT 0x80000 /* Hack to clear the uninit bit */
188 #define E2F_OPT_CHECK_ENCODING 0x100000 /* Force verification of encoded filenames */
189 #define E2F_OPT_MULTITHREAD 0x200000 /* Use multiple threads to speedup */
194 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
195 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
196 #define E2F_FLAG_SIGNAL_MASK (E2F_FLAG_ABORT | E2F_FLAG_CANCEL)
197 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
198 #define E2F_FLAG_RUN_RETURN (E2F_FLAG_SIGNAL_MASK | E2F_FLAG_RESTART)
199 #define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */
200 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
202 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
203 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
204 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
205 #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
206 * specified by the user */
207 #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
208 #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
209 #define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */
210 #define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */
211 #define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */
212 #define E2F_FLAG_PROBLEMS_FIXED 0x4000 /* At least one problem was fixed */
213 #define E2F_FLAG_ALLOC_OK 0x8000 /* Can we allocate blocks? */
214 #define E2F_FLAG_DUP_BLOCK 0x20000 /* dup block found during pass1 */
216 #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE | E2F_FLAG_PROBLEMS_FIXED)
219 * Defines for indicating the e2fsck pass number
226 #define E2F_PASS_1B 6
229 E2F_SHARED_PRESERVE = 0,
240 * Define the extended attribute refcount structure
242 typedef struct ea_refcount *ext2_refcount_t;
245 * This is the global e2fsck structure.
247 typedef struct e2fsck_struct *e2fsck_t;
249 #define MAX_EXTENT_DEPTH_COUNT 8
252 * This strucutre is used to manage the list of extents in a file. Placing
253 * it here since this is used by fast_commit.h.
256 blk64_t blocks_freed;
257 struct ext2fs_extent *extents;
260 unsigned int ext_read;
265 /* State structure for fast commit replay */
266 struct e2fsck_fc_replay_state {
267 struct extent_list fc_extent_list;
268 int fc_replay_num_tags;
269 int fc_replay_expected_off;
270 enum passtype fc_current_pass;
273 __u16 fc_super_state;
278 * Fields that used for multi-thread
280 struct e2fsck_thread {
283 /* The start group number for this thread */
284 dgrp_t et_group_start;
285 /* The end (not included) group number for this thread*/
287 /* The next group number to check */
288 dgrp_t et_group_next;
289 /* Scanned inode number */
290 ext2_ino_t et_inode_number;
292 char et_log_buf[2048];
296 struct e2fsck_struct {
297 /* Global context to get the cancel flag */
299 ext2_filsys fs; /* [fs_fix_rwlock] */
300 const char *program_name;
301 char *filesystem_name;
307 char *problem_log_fn;
308 /* E2fsck internal flags.
309 * shared by different threads for pass1 [fs_fix_rwlock] */
312 unsigned blocksize; /* blocksize */
313 blk64_t use_superblock; /* sb requested by user */
314 blk64_t superblock; /* sb used to open fs */
315 blk64_t num_blocks; /* Total number of blocks */
317 ext2_ino_t free_inodes;
320 io_manager io_manager;
321 blkid_cache blkid; /* blkid cache */
326 unsigned long abort_code;
328 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
331 /* The following inode bitmaps are separately used in thread_ctx Pass1*/
332 ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
333 ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
334 ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
335 ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
336 ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
337 ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
338 ext2fs_inode_bitmap inode_casefold_map; /* Inodes which are casefolded */
340 /* Following 3 protected by [fs_block_map_rwlock] */
341 ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
342 ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
343 ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
346 * Inode count arrays.
347 * Separately used in thread_ctx, pass1
349 ext2_icount_t inode_count;
350 ext2_icount_t inode_link_info;
352 ext2_refcount_t refcount;
353 ext2_refcount_t refcount_extra;
354 ext2_refcount_t refcount_orig;
357 * Quota blocks and inodes to be charged for each ea block.
359 ext2_refcount_t ea_block_quota_blocks;
360 ext2_refcount_t ea_block_quota_inodes;
363 * ea_inode references from attr entries.
365 ext2_refcount_t ea_inode_refs;
368 * Array of flags indicating whether an inode bitmap, block
369 * bitmap, or inode table is invalid.
370 * Separately used in thread_ctx, pass1
372 int *invalid_inode_bitmap_flag;
373 int *invalid_block_bitmap_flag;
374 int *invalid_inode_table_flag;
375 int invalid_bitmaps; /* There are invalid bitmaps/itable */
383 * For pass1_check_directory and pass1_get_blocks.
384 * Separately used in thread_ctx in pass1
386 ext2_ino_t stashed_ino;
387 struct ext2_inode *stashed_inode;
390 * Location of the lost and found directory
392 ext2_ino_t lost_and_found;
393 int bad_lost_and_found;
396 * Directory information
398 struct dir_info_db *dir_info;
401 * Indexed directory information
403 ext2_ino_t dx_dir_info_count;
404 ext2_ino_t dx_dir_info_size;
405 struct dx_dir_info *dx_dir_info;
408 * Directories to hash
410 ext2_u32_list dirs_to_hash;
413 * Encrypted file information
415 struct encrypted_file_info *encrypted_files;
420 int process_inode_size;
421 int inode_buffer_blocks;
422 unsigned int htree_slack_percentage;
425 * ext3 journal support
427 io_channel journal_io;
434 #ifdef RESOURCE_TRACK
436 * For timing purposes
438 struct resource_track global_rtrack;
442 * How we display the progress update (for unix)
443 * shared by different threads for pass1 [fs_fix_rwlock]
447 int progress_last_percent;
448 unsigned int progress_last_time;
449 int interactive; /* Are we connected directly to a tty? */
450 char start_meta[2], stop_meta[2];
452 /* File counts. Separately used in thread_ctx, pass1 */
453 __u32 fs_directory_count;
454 __u32 fs_regular_count;
455 __u32 fs_blockdev_count;
456 __u32 fs_chardev_count;
457 __u32 fs_links_count;
458 __u32 fs_symlinks_count;
459 __u32 fs_fast_symlinks_count;
461 __u32 fs_total_count;
462 __u32 fs_badblocks_count;
463 __u32 fs_sockets_count;
468 __u32 fs_fragmented_dir;
471 __u32 fs_ext_attr_inodes;
472 __u32 fs_ext_attr_blocks;
473 __u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT];
477 time_t time_fudge; /* For working around buggy init scripts */
479 enum shared_opt shared;
480 enum clone_opt clone;
483 ext2_u32_list casefolded_dirs;
485 /* Reserve blocks for root and l+f re-creation */
486 blk64_t root_repair_block, lnf_repair_block;
489 * For the use of callers of the e2fsck functions; not used by
490 * e2fsck functions themselves.
493 ext2fs_block_bitmap block_metadata_map; /* Metadata blocks */
495 /* How much are we allowed to readahead? */
496 unsigned long long readahead_kb;
499 * Inodes to rebuild extent trees
501 ext2fs_inode_bitmap inodes_to_rebuild;
506 /* Fast commit replay state */
507 struct e2fsck_fc_replay_state fc_replay_state;
509 /* if @global_ctx is null, this field is unused */
510 struct e2fsck_thread thread_info;
511 __u32 pfs_num_threads;
512 __u32 mmp_update_thread;
514 /* serialize fix operation for multiple threads */
515 pthread_rwlock_t fs_fix_rwlock;
516 /* protect block_found_map, block_dup_map */
517 pthread_rwlock_t fs_block_map_rwlock;
518 struct e2fsck_thread_info *infos;
525 * Enabling DEBUG_THREADS would cause the parallel
526 * fsck threads run sequentially.
528 struct e2fsck_thread_debug {
529 pthread_mutex_t etd_mutex;
530 pthread_cond_t etd_cond;
531 int etd_finished_threads;
535 struct e2fsck_thread_info {
536 /* ID returned by pthread_create() */
537 pthread_t eti_thread_id;
538 /* Application-defined thread index */
539 int eti_thread_index;
540 /* Thread has been started */
542 /* Context used for this thread */
543 e2fsck_t eti_thread_ctx;
545 struct e2fsck_thread_debug *eti_debug;
551 /* Data structures to evaluate whether an extent tree needs rebuilding. */
552 struct extent_tree_level {
553 unsigned int num_extents;
554 unsigned int max_extents;
557 struct extent_tree_info {
560 struct extent_tree_level ext_info[MAX_EXTENT_DEPTH_COUNT];
563 /* Used by the region allocation code */
564 typedef __u64 region_addr_t;
565 typedef struct region_struct *region_t;
568 #define strnlen(str, x) e2fsck_strnlen((str),(x))
569 extern int e2fsck_strnlen(const char * s, int count);
573 * Procedure declarations
576 extern void e2fsck_pass1(e2fsck_t ctx);
577 extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
578 extern void e2fsck_pass1_check_lock(e2fsck_t ctx);
579 extern void e2fsck_pass1_check_unlock(e2fsck_t ctx);
580 extern void e2fsck_pass2(e2fsck_t ctx);
581 extern void e2fsck_pass3(e2fsck_t ctx);
582 extern void e2fsck_pass4(e2fsck_t ctx);
583 extern void e2fsck_pass5(e2fsck_t ctx);
586 extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
587 extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
588 extern void e2fsck_free_context(e2fsck_t ctx);
589 extern int e2fsck_run(e2fsck_t ctx);
593 extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
594 int replace_bad_blocks);
597 extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
598 void e2fsck_merge_dir_info(e2fsck_t ctx, struct dir_info_db *src,
599 struct dir_info_db *dest);
600 extern void e2fsck_free_dir_info(e2fsck_t ctx);
601 extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
602 extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx);
603 extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx,
604 struct dir_info_iter *);
605 extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *);
606 extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino,
608 extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino,
610 extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino,
612 extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino,
614 extern void e2fsck_merge_dx_dir(e2fsck_t global_ctx, e2fsck_t thread_ctx);
617 extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino,
618 struct ext2_inode *inode, int num_blocks);
619 extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
620 extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
621 extern ext2_ino_t e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
622 extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx,
623 ext2_ino_t *control);
626 typedef __u64 ea_key_t;
627 typedef __u64 ea_value_t;
629 extern errcode_t ea_refcount_create(size_t size, ext2_refcount_t *ret);
630 extern void ea_refcount_free(ext2_refcount_t refcount);
631 extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, ea_key_t ea_key,
633 extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
634 ea_key_t ea_key, ea_value_t *ret);
635 extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
636 ea_key_t ea_key, ea_value_t *ret);
637 extern errcode_t ea_refcount_store(ext2_refcount_t refcount, ea_key_t ea_key,
639 extern size_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
640 extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
641 extern ea_key_t ea_refcount_intr_next(ext2_refcount_t refcount,
645 extern const char *ehandler_operation(const char *op);
646 extern void ehandler_init(io_channel channel);
648 /* encrypted_files.c */
650 struct problem_context;
651 int add_encrypted_file(e2fsck_t ctx, struct problem_context *pctx);
653 #define NO_ENCRYPTION_POLICY ((__u32)-1)
654 #define CORRUPT_ENCRYPTION_POLICY ((__u32)-2)
655 #define UNRECOGNIZED_ENCRYPTION_POLICY ((__u32)-3)
656 __u32 find_encryption_policy(e2fsck_t ctx, ext2_ino_t ino);
658 void destroy_encryption_policy_map(e2fsck_t ctx);
659 void destroy_encrypted_file_info(e2fsck_t ctx);
662 errcode_t e2fsck_rebuild_extents_later(e2fsck_t ctx, ext2_ino_t ino);
663 int e2fsck_ino_will_be_rebuilt(e2fsck_t ctx, ext2_ino_t ino);
664 void e2fsck_pass1e(e2fsck_t ctx);
665 errcode_t e2fsck_check_rebuild_extents(e2fsck_t ctx, ext2_ino_t ino,
666 struct ext2_inode *inode,
667 struct problem_context *pctx);
668 errcode_t e2fsck_should_rebuild_extents(e2fsck_t ctx,
669 struct problem_context *pctx,
670 struct extent_tree_info *eti,
671 struct ext2_extent_info *info);
672 errcode_t e2fsck_read_extents(e2fsck_t ctx, struct extent_list *extents);
673 errcode_t e2fsck_rewrite_extent_tree(e2fsck_t ctx,
674 struct extent_list *extents);
677 extern errcode_t e2fsck_check_ext3_journal(e2fsck_t ctx);
678 extern errcode_t e2fsck_run_ext3_journal(e2fsck_t ctx);
679 extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
680 extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx);
683 extern void set_up_logging(e2fsck_t ctx);
686 extern void e2fsck_hide_quota(e2fsck_t ctx);
687 extern void e2fsck_validate_quota_inodes(e2fsck_t ctx);
690 extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name,
691 int flags, ext2_icount_t hint,
693 extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts);
694 extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
695 struct ext2_inode *inode);
696 extern int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
697 struct ext2_inode *inode, char *buf);
698 extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
699 struct ext2_inode *inode, int restart_flag,
701 extern void e2fsck_intercept_block_allocations(e2fsck_t ctx);
704 extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
705 ext2_ino_t ino, char *buf);
708 extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
709 extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
710 int num, int gauranteed_size);
711 extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
712 extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
716 #define E2FSCK_READA_SUPER (0x01)
717 #define E2FSCK_READA_GDT (0x02)
718 #define E2FSCK_READA_BBITMAP (0x04)
719 #define E2FSCK_READA_IBITMAP (0x08)
720 #define E2FSCK_READA_ITABLE (0x10)
721 #define E2FSCK_READA_ALL_FLAGS (0x1F)
722 errcode_t e2fsck_readahead(ext2_filsys fs, int flags, dgrp_t start,
724 #define E2FSCK_RA_DBLIST_IGNORE_BLOCKCNT (0x01)
725 #define E2FSCK_RA_DBLIST_ALL_FLAGS (0x01)
726 errcode_t e2fsck_readahead_dblist(ext2_filsys fs, int flags,
728 unsigned long long start,
729 unsigned long long count);
730 int e2fsck_can_readahead(ext2_filsys fs);
731 unsigned long long e2fsck_guess_readahead(ext2_filsys fs);
734 extern region_t region_create(region_addr_t min, region_addr_t max);
735 extern void region_free(region_t region);
736 extern int region_allocate(region_t region, region_addr_t start, int n);
739 void e2fsck_rehash_dir_later(e2fsck_t ctx, ext2_ino_t ino);
740 int e2fsck_dir_will_be_rehashed(e2fsck_t ctx, ext2_ino_t ino);
741 errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino,
742 struct problem_context *pctx);
743 void e2fsck_rehash_directories(e2fsck_t ctx);
746 void sigcatcher_setup(void);
749 void check_super_block(e2fsck_t ctx);
750 int check_backup_super_block(e2fsck_t ctx);
751 void check_resize_inode(e2fsck_t ctx);
754 #define E2FSCK_MAX_THREADS (65535)
755 extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned long size,
756 const char *description);
757 extern int ask(e2fsck_t ctx, const char * string, int def);
758 extern int ask_yn(e2fsck_t ctx, const char * string, int def);
759 extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
760 extern void log_out(e2fsck_t ctx, const char *fmt, ...)
761 E2FSCK_ATTR((format(printf, 2, 3)));
762 extern void log_err(e2fsck_t ctx, const char *fmt, ...)
763 E2FSCK_ATTR((format(printf, 2, 3)));
764 extern void e2fsck_read_bitmaps(e2fsck_t ctx);
765 extern void e2fsck_write_bitmaps(e2fsck_t ctx);
766 extern void preenhalt(e2fsck_t ctx);
767 extern char *string_copy(e2fsck_t ctx, const char *str, size_t len);
768 extern int fs_proc_check(const char *fs_name);
769 extern int check_for_modules(const char *fs_name);
770 #ifdef RESOURCE_TRACK
771 extern void print_resource_track(e2fsck_t ctx,
773 struct resource_track *track,
775 extern void init_resource_track(struct resource_track *track,
778 #define print_resource_track(ctx, desc, track, channel) do { } while (0)
779 #define init_resource_track(track, channel) do { } while (0)
781 extern int inode_has_valid_blocks(struct ext2_inode *inode);
782 extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
783 struct ext2_inode * inode, const char * proc);
784 extern void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino,
785 struct ext2_inode *inode,
786 const int bufsize, const char *proc);
787 extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
788 struct ext2_inode * inode, const char * proc);
789 extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
790 struct ext2_inode * inode, int bufsize,
793 extern void mtrace_print(char *mesg);
795 extern blk64_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
796 const char *name, io_manager manager);
797 extern int ext2_file_type(unsigned int mode);
798 extern int write_all(int fd, char *buf, size_t count);
799 void dump_mmp_msg(struct mmp_struct *mmp, const char *fmt, ...)
800 E2FSCK_ATTR((format(printf, 2, 3)));
801 errcode_t e2fsck_mmp_update(ext2_filsys fs);
803 extern void e2fsck_set_bitmap_type(ext2_filsys fs,
804 unsigned int default_type,
805 const char *profile_name,
806 unsigned int *old_type);
807 extern errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs,
810 const char *profile_name,
811 ext2fs_inode_bitmap *ret);
812 extern errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs,
815 const char *profile_name,
816 ext2fs_block_bitmap *ret);
817 extern errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs,
820 const char *profile_name,
821 ext2fs_block_bitmap *ret);
822 unsigned long long get_memory_size(void);
823 extern void e2fsck_pass1_fix_lock(e2fsck_t ctx);
824 extern void e2fsck_pass1_fix_unlock(e2fsck_t ctx);
825 extern void e2fsck_pass1_block_map_w_lock(e2fsck_t ctx);
826 extern void e2fsck_pass1_block_map_w_unlock(e2fsck_t ctx);
827 extern void e2fsck_pass1_block_map_r_lock(e2fsck_t ctx);
828 extern void e2fsck_pass1_block_map_r_unlock(e2fsck_t ctx);
831 extern void e2fsck_clear_progbar(e2fsck_t ctx);
832 extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
833 float percent, unsigned int dpynum);
835 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
837 #endif /* _E2FSCK_H */