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 #include "ext2fs/fast_commit.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 struct encrypted_file_info;
141 #define RESOURCE_TRACK
143 #ifdef RESOURCE_TRACK
145 * This structure is used for keeping track of how much resources have
146 * been used for a particular pass of e2fsck.
148 struct resource_track {
149 struct timeval time_start;
150 struct timeval user_start;
151 struct timeval system_start;
153 unsigned long long bytes_read;
154 unsigned long long bytes_written;
161 #define E2F_OPT_READONLY 0x0001
162 #define E2F_OPT_PREEN 0x0002
163 #define E2F_OPT_YES 0x0004
164 #define E2F_OPT_NO 0x0008
165 #define E2F_OPT_TIME 0x0010
166 #define E2F_OPT_TIME2 0x0020
167 #define E2F_OPT_CHECKBLOCKS 0x0040
168 #define E2F_OPT_DEBUG 0x0080
169 #define E2F_OPT_FORCE 0x0100
170 #define E2F_OPT_WRITECHECK 0x0200
171 #define E2F_OPT_COMPRESS_DIRS 0x0400
172 #define E2F_OPT_FRAGCHECK 0x0800
173 #define E2F_OPT_JOURNAL_ONLY 0x1000 /* only replay the journal */
174 #define E2F_OPT_DISCARD 0x2000
175 #define E2F_OPT_CONVERT_BMAP 0x4000 /* convert blockmap to extent */
176 #define E2F_OPT_FIXES_ONLY 0x8000 /* skip all optimizations */
177 #define E2F_OPT_NOOPT_EXTENTS 0x10000 /* don't optimize extents */
178 #define E2F_OPT_ICOUNT_FULLMAP 0x20000 /* use an array for inode counts */
179 #define E2F_OPT_UNSHARE_BLOCKS 0x40000
180 #define E2F_OPT_CLEAR_UNINIT 0x80000 /* Hack to clear the uninit bit */
181 #define E2F_OPT_CHECK_ENCODING 0x100000 /* Force verification of encoded filenames */
182 #define E2F_OPT_MULTITHREAD 0x200000 /* Use multiple threads to speedup */
187 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
188 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
189 #define E2F_FLAG_SIGNAL_MASK (E2F_FLAG_ABORT | E2F_FLAG_CANCEL)
190 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
191 #define E2F_FLAG_RUN_RETURN (E2F_FLAG_SIGNAL_MASK | E2F_FLAG_RESTART)
192 #define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */
193 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
195 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
196 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
197 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
198 #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
199 * specified by the user */
200 #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
201 #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
202 #define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */
203 #define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */
204 #define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */
205 #define E2F_FLAG_PROBLEMS_FIXED 0x4000 /* At least one problem was fixed */
206 #define E2F_FLAG_ALLOC_OK 0x8000 /* Can we allocate blocks? */
208 #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE | E2F_FLAG_PROBLEMS_FIXED)
211 * Defines for indicating the e2fsck pass number
218 #define E2F_PASS_1B 6
221 * Define the extended attribute refcount structure
223 typedef struct ea_refcount *ext2_refcount_t;
226 * This is the global e2fsck structure.
228 typedef struct e2fsck_struct *e2fsck_t;
230 #define MAX_EXTENT_DEPTH_COUNT 5
233 * This strucutre is used to manage the list of extents in a file. Placing
234 * it here since this is used by fast_commit.h.
237 blk64_t blocks_freed;
238 struct ext2fs_extent *extents;
241 unsigned int ext_read;
246 /* State structure for fast commit replay */
247 struct e2fsck_fc_replay_state {
248 struct extent_list fc_extent_list;
249 int fc_replay_num_tags;
250 int fc_replay_expected_off;
254 __u16 fc_super_state;
259 * Fields that used for multi-thread
261 struct e2fsck_thread {
264 /* The start group number for this thread */
265 dgrp_t et_group_start;
266 /* The end (not included) group number for this thread*/
268 /* The next group number to check */
269 dgrp_t et_group_next;
270 /* Scanned inode number */
271 ext2_ino_t et_inode_number;
272 char et_log_buf[2048];
277 struct e2fsck_struct {
278 /* Global context to get the cancel flag */
281 const char *program_name;
282 char *filesystem_name;
288 char *problem_log_fn;
289 int flags; /* E2fsck internal flags */
291 unsigned blocksize; /* blocksize */
292 blk64_t use_superblock; /* sb requested by user */
293 blk64_t superblock; /* sb used to open fs */
294 blk64_t num_blocks; /* Total number of blocks */
296 ext2_ino_t free_inodes;
299 io_manager io_manager;
300 blkid_cache blkid; /* blkid cache */
305 unsigned long abort_code;
307 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
310 ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
311 ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
312 ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
313 ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
314 ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
315 ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
316 ext2fs_inode_bitmap inode_casefold_map; /* Inodes which are casefolded */
318 ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
319 ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
320 ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
325 ext2_icount_t inode_count;
326 ext2_icount_t inode_link_info;
328 ext2_refcount_t refcount;
329 ext2_refcount_t refcount_extra;
330 ext2_refcount_t refcount_orig;
333 * Quota blocks and inodes to be charged for each ea block.
335 ext2_refcount_t ea_block_quota_blocks;
336 ext2_refcount_t ea_block_quota_inodes;
339 * ea_inode references from attr entries.
341 ext2_refcount_t ea_inode_refs;
344 * Array of flags indicating whether an inode bitmap, block
345 * bitmap, or inode table is invalid
347 int *invalid_inode_bitmap_flag;
348 int *invalid_block_bitmap_flag;
349 int *invalid_inode_table_flag;
350 int invalid_bitmaps; /* There are invalid bitmaps/itable */
358 * For pass1_check_directory and pass1_get_blocks
360 ext2_ino_t stashed_ino;
361 struct ext2_inode *stashed_inode;
363 /* if @global_ctx is null, this field is unused */
365 struct e2fsck_thread thread_info;
369 * Location of the lost and found directory
371 ext2_ino_t lost_and_found;
372 int bad_lost_and_found;
375 * Directory information
377 struct dir_info_db *dir_info;
380 * Indexed directory information
382 ext2_ino_t dx_dir_info_count;
383 ext2_ino_t dx_dir_info_size;
384 struct dx_dir_info *dx_dir_info;
387 * Directories to hash
389 ext2_u32_list dirs_to_hash;
392 * Encrypted file information
394 struct encrypted_file_info *encrypted_files;
399 int process_inode_size;
400 int inode_buffer_blocks;
401 unsigned int htree_slack_percentage;
404 * ext3 journal support
406 io_channel journal_io;
413 #ifdef RESOURCE_TRACK
415 * For timing purposes
417 struct resource_track global_rtrack;
421 * How we display the progress update (for unix)
425 int progress_last_percent;
426 unsigned int progress_last_time;
427 int interactive; /* Are we connected directly to a tty? */
428 char start_meta[2], stop_meta[2];
431 __u32 fs_directory_count;
432 __u32 fs_regular_count;
433 __u32 fs_blockdev_count;
434 __u32 fs_chardev_count;
435 __u32 fs_links_count;
436 __u32 fs_symlinks_count;
437 __u32 fs_fast_symlinks_count;
439 __u32 fs_total_count;
440 __u32 fs_badblocks_count;
441 __u32 fs_sockets_count;
446 __u32 fs_fragmented_dir;
449 __u32 fs_ext_attr_inodes;
450 __u32 fs_ext_attr_blocks;
451 __u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT];
455 time_t time_fudge; /* For working around buggy init scripts */
459 ext2_u32_list casefolded_dirs;
461 /* Reserve blocks for root and l+f re-creation */
462 blk64_t root_repair_block, lnf_repair_block;
465 * For the use of callers of the e2fsck functions; not used by
466 * e2fsck functions themselves.
469 ext2fs_block_bitmap block_metadata_map; /* Metadata blocks */
471 /* How much are we allowed to readahead? */
472 unsigned long long readahead_kb;
475 * Inodes to rebuild extent trees
477 ext2fs_inode_bitmap inodes_to_rebuild;
482 /* Fast commit replay state */
483 struct e2fsck_fc_replay_state fc_replay_state;
485 /* serialize fix operation for multiple threads */
486 pthread_mutex_t fs_fix_mutex;
487 /* protect block_found_map, block_dup_map */
488 pthread_mutex_t fs_block_map_mutex;
495 * Enabling DEBUG_THREADS would cause the parallel
496 * fsck threads run sequentially.
498 struct e2fsck_thread_debug {
499 pthread_mutex_t etd_mutex;
500 pthread_cond_t etd_cond;
501 int etd_finished_threads;
505 struct e2fsck_thread_info {
506 /* ID returned by pthread_create() */
507 pthread_t eti_thread_id;
508 /* Application-defined thread index */
509 int eti_thread_index;
510 /* Thread has been started */
512 /* Context used for this thread */
513 e2fsck_t eti_thread_ctx;
515 struct e2fsck_thread_debug *eti_debug;
521 /* Data structures to evaluate whether an extent tree needs rebuilding. */
522 struct extent_tree_level {
523 unsigned int num_extents;
524 unsigned int max_extents;
527 struct extent_tree_info {
530 struct extent_tree_level ext_info[MAX_EXTENT_DEPTH_COUNT];
533 /* Used by the region allocation code */
534 typedef __u64 region_addr_t;
535 typedef struct region_struct *region_t;
538 #define strnlen(str, x) e2fsck_strnlen((str),(x))
539 extern int e2fsck_strnlen(const char * s, int count);
543 * Procedure declarations
546 extern void e2fsck_pass1(e2fsck_t ctx);
547 extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
548 extern void e2fsck_pass2(e2fsck_t ctx);
549 extern void e2fsck_pass3(e2fsck_t ctx);
550 extern void e2fsck_pass4(e2fsck_t ctx);
551 extern void e2fsck_pass5(e2fsck_t ctx);
554 extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
555 extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
556 extern void e2fsck_free_context(e2fsck_t ctx);
557 extern int e2fsck_run(e2fsck_t ctx);
561 extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
562 int replace_bad_blocks);
565 extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
566 void e2fsck_merge_dir_info(e2fsck_t ctx, struct dir_info_db *src,
567 struct dir_info_db *dest);
568 extern void e2fsck_free_dir_info(e2fsck_t ctx);
569 extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
570 extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx);
571 extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx,
572 struct dir_info_iter *);
573 extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *);
574 extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino,
576 extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino,
578 extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino,
580 extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino,
582 extern void e2fsck_merge_dx_dir(e2fsck_t global_ctx, e2fsck_t thread_ctx);
585 extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino,
586 struct ext2_inode *inode, int num_blocks);
587 extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
588 extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
589 extern ext2_ino_t e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
590 extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx,
591 ext2_ino_t *control);
594 typedef __u64 ea_key_t;
595 typedef __u64 ea_value_t;
597 extern errcode_t ea_refcount_create(size_t size, ext2_refcount_t *ret);
598 extern void ea_refcount_free(ext2_refcount_t refcount);
599 extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, ea_key_t ea_key,
601 extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
602 ea_key_t ea_key, ea_value_t *ret);
603 extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
604 ea_key_t ea_key, ea_value_t *ret);
605 extern errcode_t ea_refcount_store(ext2_refcount_t refcount, ea_key_t ea_key,
607 extern size_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
608 extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
609 extern ea_key_t ea_refcount_intr_next(ext2_refcount_t refcount,
613 extern const char *ehandler_operation(const char *op);
614 extern void ehandler_init(io_channel channel);
616 /* encrypted_files.c */
618 struct problem_context;
619 int add_encrypted_file(e2fsck_t ctx, struct problem_context *pctx);
621 #define NO_ENCRYPTION_POLICY ((__u32)-1)
622 #define CORRUPT_ENCRYPTION_POLICY ((__u32)-2)
623 #define UNRECOGNIZED_ENCRYPTION_POLICY ((__u32)-3)
624 __u32 find_encryption_policy(e2fsck_t ctx, ext2_ino_t ino);
626 void destroy_encryption_policy_map(e2fsck_t ctx);
627 void destroy_encrypted_file_info(e2fsck_t ctx);
630 errcode_t e2fsck_rebuild_extents_later(e2fsck_t ctx, ext2_ino_t ino);
631 int e2fsck_ino_will_be_rebuilt(e2fsck_t ctx, ext2_ino_t ino);
632 void e2fsck_pass1e(e2fsck_t ctx);
633 errcode_t e2fsck_check_rebuild_extents(e2fsck_t ctx, ext2_ino_t ino,
634 struct ext2_inode *inode,
635 struct problem_context *pctx);
636 errcode_t e2fsck_should_rebuild_extents(e2fsck_t ctx,
637 struct problem_context *pctx,
638 struct extent_tree_info *eti,
639 struct ext2_extent_info *info);
640 errcode_t e2fsck_read_extents(e2fsck_t ctx, struct extent_list *extents);
641 errcode_t e2fsck_rewrite_extent_tree(e2fsck_t ctx,
642 struct extent_list *extents);
645 extern errcode_t e2fsck_check_ext3_journal(e2fsck_t ctx);
646 extern errcode_t e2fsck_run_ext3_journal(e2fsck_t ctx);
647 extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
648 extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx);
651 extern void set_up_logging(e2fsck_t ctx);
654 extern void e2fsck_hide_quota(e2fsck_t ctx);
655 extern void e2fsck_validate_quota_inodes(e2fsck_t ctx);
658 extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name,
659 int flags, ext2_icount_t hint,
661 extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts);
662 extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
663 struct ext2_inode *inode);
664 extern int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
665 struct ext2_inode *inode, char *buf);
666 extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
667 struct ext2_inode *inode, int restart_flag,
669 extern void e2fsck_intercept_block_allocations(e2fsck_t ctx);
672 extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
673 ext2_ino_t ino, char *buf);
676 extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
677 extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
678 int num, int gauranteed_size);
679 extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
680 extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
684 #define E2FSCK_READA_SUPER (0x01)
685 #define E2FSCK_READA_GDT (0x02)
686 #define E2FSCK_READA_BBITMAP (0x04)
687 #define E2FSCK_READA_IBITMAP (0x08)
688 #define E2FSCK_READA_ITABLE (0x10)
689 #define E2FSCK_READA_ALL_FLAGS (0x1F)
690 errcode_t e2fsck_readahead(ext2_filsys fs, int flags, dgrp_t start,
692 #define E2FSCK_RA_DBLIST_IGNORE_BLOCKCNT (0x01)
693 #define E2FSCK_RA_DBLIST_ALL_FLAGS (0x01)
694 errcode_t e2fsck_readahead_dblist(ext2_filsys fs, int flags,
696 unsigned long long start,
697 unsigned long long count);
698 int e2fsck_can_readahead(ext2_filsys fs);
699 unsigned long long e2fsck_guess_readahead(ext2_filsys fs);
702 extern region_t region_create(region_addr_t min, region_addr_t max);
703 extern void region_free(region_t region);
704 extern int region_allocate(region_t region, region_addr_t start, int n);
707 void e2fsck_rehash_dir_later(e2fsck_t ctx, ext2_ino_t ino);
708 int e2fsck_dir_will_be_rehashed(e2fsck_t ctx, ext2_ino_t ino);
709 errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino,
710 struct problem_context *pctx);
711 void e2fsck_rehash_directories(e2fsck_t ctx);
714 void sigcatcher_setup(void);
717 void check_super_block(e2fsck_t ctx);
718 int check_backup_super_block(e2fsck_t ctx);
719 void check_resize_inode(e2fsck_t ctx);
722 extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned long size,
723 const char *description);
724 extern int ask(e2fsck_t ctx, const char * string, int def);
725 extern int ask_yn(e2fsck_t ctx, const char * string, int def);
726 extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
727 extern void log_out(e2fsck_t ctx, const char *fmt, ...)
728 E2FSCK_ATTR((format(printf, 2, 3)));
729 extern void log_err(e2fsck_t ctx, const char *fmt, ...)
730 E2FSCK_ATTR((format(printf, 2, 3)));
731 extern void e2fsck_read_bitmaps(e2fsck_t ctx);
732 extern void e2fsck_write_bitmaps(e2fsck_t ctx);
733 extern void preenhalt(e2fsck_t ctx);
734 extern char *string_copy(e2fsck_t ctx, const char *str, size_t len);
735 extern int fs_proc_check(const char *fs_name);
736 extern int check_for_modules(const char *fs_name);
737 #ifdef RESOURCE_TRACK
738 extern void print_resource_track(e2fsck_t ctx,
740 struct resource_track *track,
742 extern void init_resource_track(struct resource_track *track,
745 #define print_resource_track(ctx, desc, track, channel) do { } while (0)
746 #define init_resource_track(track, channel) do { } while (0)
748 extern int inode_has_valid_blocks(struct ext2_inode *inode);
749 extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
750 struct ext2_inode * inode, const char * proc);
751 extern void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino,
752 struct ext2_inode *inode,
753 const int bufsize, const char *proc);
754 extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
755 struct ext2_inode * inode, const char * proc);
756 extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
757 struct ext2_inode * inode, int bufsize,
760 extern void mtrace_print(char *mesg);
762 extern blk64_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
763 const char *name, io_manager manager);
764 extern int ext2_file_type(unsigned int mode);
765 extern int write_all(int fd, char *buf, size_t count);
766 void dump_mmp_msg(struct mmp_struct *mmp, const char *fmt, ...)
767 E2FSCK_ATTR((format(printf, 2, 3)));
768 errcode_t e2fsck_mmp_update(ext2_filsys fs);
770 extern void e2fsck_set_bitmap_type(ext2_filsys fs,
771 unsigned int default_type,
772 const char *profile_name,
773 unsigned int *old_type);
774 extern errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs,
777 const char *profile_name,
778 ext2fs_inode_bitmap *ret);
779 extern errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs,
782 const char *profile_name,
783 ext2fs_block_bitmap *ret);
784 extern errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs,
787 const char *profile_name,
788 ext2fs_block_bitmap *ret);
789 unsigned long long get_memory_size(void);
790 extern void e2fsck_pass1_fix_lock(e2fsck_t ctx);
791 extern void e2fsck_pass1_fix_unlock(e2fsck_t ctx);
792 extern void e2fsck_pass1_block_map_lock(e2fsck_t ctx);
793 extern void e2fsck_pass1_block_map_unlock(e2fsck_t ctx);
796 extern void e2fsck_clear_progbar(e2fsck_t ctx);
797 extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
798 float percent, unsigned int dpynum);
800 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
802 #endif /* _E2FSCK_H */