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 #include "ext2fs/fast_commit.h"
75 * Exit codes used by fsck-type programs
77 #define FSCK_OK 0 /* No errors */
78 #define FSCK_NONDESTRUCT 1 /* File system errors corrected */
79 #define FSCK_REBOOT 2 /* System should be rebooted */
80 #define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
81 #define FSCK_ERROR 8 /* Operational error */
82 #define FSCK_USAGE 16 /* Usage or syntax error */
83 #define FSCK_CANCELED 32 /* Aborted with a signal or ^C */
84 #define FSCK_LIBRARY 128 /* Shared library error */
87 * The last ext2fs revision level that this version of e2fsck is able to
90 #define E2FSCK_CURRENT_REV 1
93 * The directory information structure; stores directory information
94 * collected in earlier passes, to avoid disk i/o in fetching the
95 * directory information.
98 ext2_ino_t ino; /* Inode number */
99 ext2_ino_t dotdot; /* Parent according to '..' */
100 ext2_ino_t parent; /* Parent according to treewalk */
105 * The indexed directory information structure; stores information for
106 * directories which contain a hash tree index.
109 ext2_ino_t ino; /* Inode number */
110 short depth; /* depth of tree (15 bits) */
112 __u8 casefolded_hash:1;
113 blk_t numblocks; /* number of blocks in dir */
114 struct dx_dirblock_info *dx_block; /* Array of size numblocks */
117 #define DX_DIRBLOCK_ROOT 1
118 #define DX_DIRBLOCK_LEAF 2
119 #define DX_DIRBLOCK_NODE 3
120 #define DX_DIRBLOCK_CORRUPT 4
121 #define DX_DIRBLOCK_CLEARED 8
123 struct dx_dirblock_info {
129 ext2_dirhash_t min_hash;
130 ext2_dirhash_t max_hash;
131 ext2_dirhash_t node_min_hash;
132 ext2_dirhash_t node_max_hash;
135 #define DX_FLAG_REFERENCED 1
136 #define DX_FLAG_DUP_REF 2
137 #define DX_FLAG_FIRST 4
138 #define DX_FLAG_LAST 8
140 struct encrypted_file_info;
142 #define RESOURCE_TRACK
144 #ifdef RESOURCE_TRACK
146 * This structure is used for keeping track of how much resources have
147 * been used for a particular pass of e2fsck.
149 struct resource_track {
150 struct timeval time_start;
151 struct timeval user_start;
152 struct timeval system_start;
154 unsigned long long bytes_read;
155 unsigned long long bytes_written;
162 #define E2F_OPT_READONLY 0x0001
163 #define E2F_OPT_PREEN 0x0002
164 #define E2F_OPT_YES 0x0004
165 #define E2F_OPT_NO 0x0008
166 #define E2F_OPT_TIME 0x0010
167 #define E2F_OPT_TIME2 0x0020
168 #define E2F_OPT_CHECKBLOCKS 0x0040
169 #define E2F_OPT_DEBUG 0x0080
170 #define E2F_OPT_FORCE 0x0100
171 #define E2F_OPT_WRITECHECK 0x0200
172 #define E2F_OPT_COMPRESS_DIRS 0x0400
173 #define E2F_OPT_FRAGCHECK 0x0800
174 #define E2F_OPT_JOURNAL_ONLY 0x1000 /* only replay the journal */
175 #define E2F_OPT_DISCARD 0x2000
176 #define E2F_OPT_CONVERT_BMAP 0x4000 /* convert blockmap to extent */
177 #define E2F_OPT_FIXES_ONLY 0x8000 /* skip all optimizations */
178 #define E2F_OPT_NOOPT_EXTENTS 0x10000 /* don't optimize extents */
179 #define E2F_OPT_ICOUNT_FULLMAP 0x20000 /* use an array for inode counts */
180 #define E2F_OPT_UNSHARE_BLOCKS 0x40000
181 #define E2F_OPT_CLEAR_UNINIT 0x80000 /* Hack to clear the uninit bit */
182 #define E2F_OPT_CHECK_ENCODING 0x100000 /* Force verification of encoded filenames */
183 #define E2F_OPT_MULTITHREAD 0x200000 /* Use multiple threads to speedup */
188 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
189 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
190 #define E2F_FLAG_SIGNAL_MASK (E2F_FLAG_ABORT | E2F_FLAG_CANCEL)
191 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
192 #define E2F_FLAG_RUN_RETURN (E2F_FLAG_SIGNAL_MASK | E2F_FLAG_RESTART)
193 #define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */
194 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
196 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
197 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
198 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
199 #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
200 * specified by the user */
201 #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
202 #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
203 #define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */
204 #define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */
205 #define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */
206 #define E2F_FLAG_PROBLEMS_FIXED 0x4000 /* At least one problem was fixed */
207 #define E2F_FLAG_ALLOC_OK 0x8000 /* Can we allocate blocks? */
208 #define E2F_FLAG_EXPAND_EISIZE 0x10000 /* Expand the inodes (i_extra_isize) */
209 #define E2F_FLAG_DUP_BLOCK 0x20000 /* dup block found during pass1 */
211 #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE | E2F_FLAG_PROBLEMS_FIXED)
214 * Defines for indicating the e2fsck pass number
221 #define E2F_PASS_1B 6
224 E2F_SHARED_PRESERVE = 0,
234 #define EXT4_FITS_IN_INODE(ext4_inode, einode, field) \
235 ((offsetof(typeof(*ext4_inode), field) + \
236 sizeof(ext4_inode->field)) <= \
237 (EXT2_GOOD_OLD_INODE_SIZE + \
238 (einode)->i_extra_isize)) \
240 #define EXT4_XTIME_FUTURE(ctx, sb, xtime, margin) \
241 (!((ctx)->flags & E2F_FLAG_TIME_INSANE) && \
242 (xtime) > (ctx)->now + (margin))
243 #define EXT4_XTIME_ANCIENT(ctx, sb, xtime, margin) \
244 ((sb)->s_mkfs_time > (margin) && (xtime) < (sb)->s_mkfs_time - (margin))
246 #define BADNESS_THRESHOLD 12
247 #define BADNESS_BAD_MODE 0x8000
248 #define BADNESS_MAX 0x7fff
251 * Define the extended attribute refcount structure
253 typedef struct ea_refcount *ext2_refcount_t;
256 * This is the global e2fsck structure.
258 typedef struct e2fsck_struct *e2fsck_t;
260 #define MAX_EXTENT_DEPTH_COUNT 5
263 * This strucutre is used to manage the list of extents in a file. Placing
264 * it here since this is used by fast_commit.h.
267 blk64_t blocks_freed;
268 struct ext2fs_extent *extents;
271 unsigned int ext_read;
276 /* State structure for fast commit replay */
277 struct e2fsck_fc_replay_state {
278 struct extent_list fc_extent_list;
279 int fc_replay_num_tags;
280 int fc_replay_expected_off;
284 __u16 fc_super_state;
289 * Fields that used for multi-thread
291 struct e2fsck_thread {
294 /* The start group number for this thread */
295 dgrp_t et_group_start;
296 /* The end (not included) group number for this thread*/
298 /* The next group number to check */
299 dgrp_t et_group_next;
300 /* Scanned inode number */
301 ext2_ino_t et_inode_number;
303 char et_log_buf[2048];
307 struct e2fsck_struct {
308 /* Global context to get the cancel flag */
310 ext2_filsys fs; /* [fs_fix_rwlock] */
311 const char *program_name;
312 char *filesystem_name;
318 char *problem_log_fn;
319 /* E2fsck internal flags.
320 * shared by different threads for pass1 [fs_fix_rwlock] */
323 unsigned blocksize; /* blocksize */
324 blk64_t use_superblock; /* sb requested by user */
325 blk64_t superblock; /* sb used to open fs */
326 blk64_t num_blocks; /* Total number of blocks */
328 ext2_ino_t free_inodes;
331 io_manager io_manager;
332 blkid_cache blkid; /* blkid cache */
337 unsigned long abort_code;
339 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
342 /* The following inode bitmaps are separately used in thread_ctx Pass1*/
343 ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
344 ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
345 ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
346 ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
347 ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
348 ext2fs_inode_bitmap inode_casefold_map; /* Inodes which are casefolded */
350 /* Following 3 protected by [fs_block_map_rwlock] */
351 ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
352 ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
353 ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
356 * Inode count arrays.
357 * Separately used in thread_ctx, pass1
359 ext2_icount_t inode_count;
360 ext2_icount_t inode_link_info;
361 ext2_icount_t inode_badness;
362 unsigned int inode_badness_threshold;
364 ext2_refcount_t refcount;
365 ext2_refcount_t refcount_extra;
366 ext2_refcount_t refcount_orig;
369 * Quota blocks and inodes to be charged for each ea block.
371 ext2_refcount_t ea_block_quota_blocks;
372 ext2_refcount_t ea_block_quota_inodes;
375 * ea_inode references from attr entries.
377 ext2_refcount_t ea_inode_refs;
380 * Array of flags indicating whether an inode bitmap, block
381 * bitmap, or inode table is invalid.
382 * Separately used in thread_ctx, pass1
384 int *invalid_inode_bitmap_flag;
385 int *invalid_block_bitmap_flag;
386 int *invalid_inode_table_flag;
387 int invalid_bitmaps; /* There are invalid bitmaps/itable */
395 * For pass1_check_directory and pass1_get_blocks.
396 * Separately used in thread_ctx in pass1
398 ext2_ino_t stashed_ino;
399 struct ext2_inode *stashed_inode;
402 * Location of the lost and found directory
404 ext2_ino_t lost_and_found;
405 int bad_lost_and_found;
408 * Directory information
410 struct dir_info_db *dir_info;
413 * Indexed directory information
415 ext2_ino_t dx_dir_info_count;
416 ext2_ino_t dx_dir_info_size;
417 struct dx_dir_info *dx_dir_info;
420 * Directories to hash
422 ext2_u32_list dirs_to_hash;
425 * Encrypted file information
427 struct encrypted_file_info *encrypted_files;
432 int process_inode_size;
433 int inode_buffer_blocks;
434 unsigned int htree_slack_percentage;
437 * ext3 journal support
439 io_channel journal_io;
446 #ifdef RESOURCE_TRACK
448 * For timing purposes
450 struct resource_track global_rtrack;
454 * How we display the progress update (for unix)
455 * shared by different threads for pass1 [fs_fix_rwlock]
459 int progress_last_percent;
460 unsigned int progress_last_time;
461 int interactive; /* Are we connected directly to a tty? */
462 char start_meta[2], stop_meta[2];
464 /* File counts. Separately used in thread_ctx, pass1 */
465 __u32 fs_directory_count;
466 __u32 fs_regular_count;
467 __u32 fs_blockdev_count;
468 __u32 fs_chardev_count;
469 __u32 fs_links_count;
470 __u32 fs_symlinks_count;
471 __u32 fs_fast_symlinks_count;
473 __u32 fs_total_count;
474 __u32 fs_badblocks_count;
475 __u32 fs_sockets_count;
480 __u32 fs_fragmented_dir;
483 __u32 fs_ext_attr_inodes;
484 __u32 fs_ext_attr_blocks;
485 __u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT];
489 time_t time_fudge; /* For working around buggy init scripts */
491 enum shared_opt shared;
492 enum clone_opt clone;
495 ext2_u32_list casefolded_dirs;
497 /* Expand large inodes to atleast these many bytes */
498 int want_extra_isize;
499 /* minimum i_extra_isize found in used inodes. Should not be lesser
500 * than s_min_extra_isize.
502 __u32 min_extra_isize;
503 int fs_unexpanded_inodes;
504 ext2fs_inode_bitmap expand_eisize_map;
506 /* Reserve blocks for root and l+f re-creation */
507 blk64_t root_repair_block, lnf_repair_block;
510 * For the use of callers of the e2fsck functions; not used by
511 * e2fsck functions themselves.
514 ext2fs_block_bitmap block_metadata_map; /* Metadata blocks */
516 /* How much are we allowed to readahead? */
517 unsigned long long readahead_kb;
520 * Inodes to rebuild extent trees
522 ext2fs_inode_bitmap inodes_to_rebuild;
527 /* Fast commit replay state */
528 struct e2fsck_fc_replay_state fc_replay_state;
530 /* if @global_ctx is null, this field is unused */
531 struct e2fsck_thread thread_info;
532 __u32 pfs_num_threads;
533 __u32 mmp_update_thread;
535 /* serialize fix operation for multiple threads */
536 pthread_rwlock_t fs_fix_rwlock;
537 /* protect block_found_map, block_dup_map */
538 pthread_rwlock_t fs_block_map_rwlock;
545 * Enabling DEBUG_THREADS would cause the parallel
546 * fsck threads run sequentially.
548 struct e2fsck_thread_debug {
549 pthread_mutex_t etd_mutex;
550 pthread_cond_t etd_cond;
551 int etd_finished_threads;
555 struct e2fsck_thread_info {
556 /* ID returned by pthread_create() */
557 pthread_t eti_thread_id;
558 /* Application-defined thread index */
559 int eti_thread_index;
560 /* Thread has been started */
562 /* Context used for this thread */
563 e2fsck_t eti_thread_ctx;
565 struct e2fsck_thread_debug *eti_debug;
571 /* Data structures to evaluate whether an extent tree needs rebuilding. */
572 struct extent_tree_level {
573 unsigned int num_extents;
574 unsigned int max_extents;
577 struct extent_tree_info {
580 struct extent_tree_level ext_info[MAX_EXTENT_DEPTH_COUNT];
583 /* Used by the region allocation code */
584 typedef __u64 region_addr_t;
585 typedef struct region_struct *region_t;
588 #define strnlen(str, x) e2fsck_strnlen((str),(x))
589 extern int e2fsck_strnlen(const char * s, int count);
593 * Procedure declarations
596 extern void e2fsck_pass1(e2fsck_t ctx);
597 extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
598 extern void e2fsck_pass1_check_lock(e2fsck_t ctx);
599 extern void e2fsck_pass1_check_unlock(e2fsck_t ctx);
600 extern void e2fsck_pass2(e2fsck_t ctx);
601 extern void e2fsck_pass3(e2fsck_t ctx);
602 extern void e2fsck_pass4(e2fsck_t ctx);
603 extern void e2fsck_pass5(e2fsck_t ctx);
606 extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
607 extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
608 extern void e2fsck_free_context(e2fsck_t ctx);
609 extern int e2fsck_run(e2fsck_t ctx);
613 extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
614 int replace_bad_blocks);
617 extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
618 void e2fsck_merge_dir_info(e2fsck_t ctx, struct dir_info_db *src,
619 struct dir_info_db *dest);
620 extern void e2fsck_free_dir_info(e2fsck_t ctx);
621 extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
622 extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx);
623 extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx,
624 struct dir_info_iter *);
625 extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *);
626 extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino,
628 extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino,
630 extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino,
632 extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino,
634 extern void e2fsck_merge_dx_dir(e2fsck_t global_ctx, e2fsck_t thread_ctx);
637 extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino,
638 struct ext2_inode *inode, int num_blocks);
639 extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
640 extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
641 extern ext2_ino_t e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
642 extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx,
643 ext2_ino_t *control);
646 typedef __u64 ea_key_t;
647 typedef __u64 ea_value_t;
649 extern errcode_t ea_refcount_create(size_t size, ext2_refcount_t *ret);
650 extern void ea_refcount_free(ext2_refcount_t refcount);
651 extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, ea_key_t ea_key,
653 extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
654 ea_key_t ea_key, ea_value_t *ret);
655 extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
656 ea_key_t ea_key, ea_value_t *ret);
657 extern errcode_t ea_refcount_store(ext2_refcount_t refcount, ea_key_t ea_key,
659 extern size_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
660 extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
661 extern ea_key_t ea_refcount_intr_next(ext2_refcount_t refcount,
665 extern const char *ehandler_operation(const char *op);
666 extern void ehandler_init(io_channel channel);
668 /* encrypted_files.c */
670 struct problem_context;
671 int add_encrypted_file(e2fsck_t ctx, struct problem_context *pctx);
673 #define NO_ENCRYPTION_POLICY ((__u32)-1)
674 #define CORRUPT_ENCRYPTION_POLICY ((__u32)-2)
675 #define UNRECOGNIZED_ENCRYPTION_POLICY ((__u32)-3)
676 __u32 find_encryption_policy(e2fsck_t ctx, ext2_ino_t ino);
678 void destroy_encryption_policy_map(e2fsck_t ctx);
679 void destroy_encrypted_file_info(e2fsck_t ctx);
682 errcode_t e2fsck_rebuild_extents_later(e2fsck_t ctx, ext2_ino_t ino);
683 int e2fsck_ino_will_be_rebuilt(e2fsck_t ctx, ext2_ino_t ino);
684 void e2fsck_pass1e(e2fsck_t ctx);
685 errcode_t e2fsck_check_rebuild_extents(e2fsck_t ctx, ext2_ino_t ino,
686 struct ext2_inode *inode,
687 struct problem_context *pctx);
688 errcode_t e2fsck_should_rebuild_extents(e2fsck_t ctx,
689 struct problem_context *pctx,
690 struct extent_tree_info *eti,
691 struct ext2_extent_info *info);
692 errcode_t e2fsck_read_extents(e2fsck_t ctx, struct extent_list *extents);
693 errcode_t e2fsck_rewrite_extent_tree(e2fsck_t ctx,
694 struct extent_list *extents);
697 extern errcode_t e2fsck_check_ext3_journal(e2fsck_t ctx);
698 extern errcode_t e2fsck_run_ext3_journal(e2fsck_t ctx);
699 extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
700 extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx);
703 extern void set_up_logging(e2fsck_t ctx);
706 extern void e2fsck_hide_quota(e2fsck_t ctx);
707 extern void e2fsck_validate_quota_inodes(e2fsck_t ctx);
710 extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name,
711 int flags, ext2_icount_t hint,
713 extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts);
714 extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
715 struct ext2_inode *inode);
716 extern int e2fsck_pass1_check_symlink(e2fsck_t ctx, ext2_ino_t ino,
717 struct ext2_inode *inode, char *buf);
718 extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
719 struct ext2_inode *inode, int restart_flag,
721 #define e2fsck_mark_inode_bad(ctx, pctx, code) \
722 e2fsck_mark_inode_bad_loc(ctx, pctx, code, 1, __func__, __LINE__)
723 #define e2fsck_mark_inode_badder(ctx, pctx, code) \
724 e2fsck_mark_inode_bad_loc(ctx, pctx, code, 2, __func__, __LINE__)
725 extern void e2fsck_mark_inode_bad_loc(e2fsck_t ctx,
726 struct problem_context *pctx, __u32 code,
727 int count, const char *func, const int line);
728 extern int e2fsck_fix_bad_inode(e2fsck_t ctx, struct problem_context *pctx);
729 extern void e2fsck_intercept_block_allocations(e2fsck_t ctx);
732 extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
733 ext2_ino_t ino, char *buf);
736 extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
737 extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
738 int num, int gauranteed_size);
739 extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
740 extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
744 #define E2FSCK_READA_SUPER (0x01)
745 #define E2FSCK_READA_GDT (0x02)
746 #define E2FSCK_READA_BBITMAP (0x04)
747 #define E2FSCK_READA_IBITMAP (0x08)
748 #define E2FSCK_READA_ITABLE (0x10)
749 #define E2FSCK_READA_ALL_FLAGS (0x1F)
750 errcode_t e2fsck_readahead(ext2_filsys fs, int flags, dgrp_t start,
752 #define E2FSCK_RA_DBLIST_IGNORE_BLOCKCNT (0x01)
753 #define E2FSCK_RA_DBLIST_ALL_FLAGS (0x01)
754 errcode_t e2fsck_readahead_dblist(ext2_filsys fs, int flags,
756 unsigned long long start,
757 unsigned long long count);
758 int e2fsck_can_readahead(ext2_filsys fs);
759 unsigned long long e2fsck_guess_readahead(ext2_filsys fs);
762 extern region_t region_create(region_addr_t min, region_addr_t max);
763 extern void region_free(region_t region);
764 extern int region_allocate(region_t region, region_addr_t start, int n);
767 void e2fsck_rehash_dir_later(e2fsck_t ctx, ext2_ino_t ino);
768 int e2fsck_dir_will_be_rehashed(e2fsck_t ctx, ext2_ino_t ino);
769 errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino,
770 struct problem_context *pctx);
771 void e2fsck_rehash_directories(e2fsck_t ctx);
774 void sigcatcher_setup(void);
777 void check_super_block(e2fsck_t ctx);
778 int check_backup_super_block(e2fsck_t ctx);
779 void check_resize_inode(e2fsck_t ctx);
782 #define E2FSCK_MAX_THREADS (65535)
783 extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned long size,
784 const char *description);
785 extern int ask(e2fsck_t ctx, const char * string, int def);
786 extern int ask_yn(e2fsck_t ctx, const char * string, int def);
787 extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
788 extern void log_out(e2fsck_t ctx, const char *fmt, ...)
789 E2FSCK_ATTR((format(printf, 2, 3)));
790 extern void log_err(e2fsck_t ctx, const char *fmt, ...)
791 E2FSCK_ATTR((format(printf, 2, 3)));
792 extern void e2fsck_read_bitmaps(e2fsck_t ctx);
793 extern void e2fsck_write_bitmaps(e2fsck_t ctx);
794 extern void preenhalt(e2fsck_t ctx);
795 extern char *string_copy(e2fsck_t ctx, const char *str, size_t len);
796 extern int fs_proc_check(const char *fs_name);
797 extern int check_for_modules(const char *fs_name);
798 #ifdef RESOURCE_TRACK
799 extern void print_resource_track(e2fsck_t ctx,
801 struct resource_track *track,
803 extern void init_resource_track(struct resource_track *track,
806 #define print_resource_track(ctx, desc, track, channel) do { } while (0)
807 #define init_resource_track(track, channel) do { } while (0)
809 extern int inode_has_valid_blocks(struct ext2_inode *inode);
810 extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
811 struct ext2_inode * inode, const char * proc);
812 extern void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino,
813 struct ext2_inode *inode,
814 const int bufsize, const char *proc);
815 extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
816 struct ext2_inode * inode, const char * proc);
817 extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
818 struct ext2_inode * inode, int bufsize,
821 extern void mtrace_print(char *mesg);
823 extern blk64_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
824 const char *name, io_manager manager);
825 extern int ext2_file_type(unsigned int mode);
826 extern int write_all(int fd, char *buf, size_t count);
827 void dump_mmp_msg(struct mmp_struct *mmp, const char *fmt, ...)
828 E2FSCK_ATTR((format(printf, 2, 3)));
829 errcode_t e2fsck_mmp_update(ext2_filsys fs);
831 extern void e2fsck_set_bitmap_type(ext2_filsys fs,
832 unsigned int default_type,
833 const char *profile_name,
834 unsigned int *old_type);
835 extern errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs,
838 const char *profile_name,
839 ext2fs_inode_bitmap *ret);
840 extern errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs,
843 const char *profile_name,
844 ext2fs_block_bitmap *ret);
845 extern errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs,
848 const char *profile_name,
849 ext2fs_block_bitmap *ret);
850 unsigned long long get_memory_size(void);
851 extern void e2fsck_pass1_fix_lock(e2fsck_t ctx);
852 extern void e2fsck_pass1_fix_unlock(e2fsck_t ctx);
853 extern void e2fsck_pass1_block_map_w_lock(e2fsck_t ctx);
854 extern void e2fsck_pass1_block_map_w_unlock(e2fsck_t ctx);
855 extern void e2fsck_pass1_block_map_r_lock(e2fsck_t ctx);
856 extern void e2fsck_pass1_block_map_r_unlock(e2fsck_t ctx);
859 extern void e2fsck_clear_progbar(e2fsck_t ctx);
860 extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
861 float percent, unsigned int dpynum);
863 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
865 #endif /* _E2FSCK_H */