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"
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 * Exit codes used by fsck-type programs
67 #define FSCK_OK 0 /* No errors */
68 #define FSCK_NONDESTRUCT 1 /* File system errors corrected */
69 #define FSCK_REBOOT 2 /* System should be rebooted */
70 #define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
71 #define FSCK_ERROR 8 /* Operational error */
72 #define FSCK_USAGE 16 /* Usage or syntax error */
73 #define FSCK_CANCELED 32 /* Aborted with a signal or ^C */
74 #define FSCK_LIBRARY 128 /* Shared library error */
77 * The last ext2fs revision level that this version of e2fsck is able to
80 #define E2FSCK_CURRENT_REV 1
83 * The directory information structure; stores directory information
84 * collected in earlier passes, to avoid disk i/o in fetching the
85 * directory information.
88 ext2_ino_t ino
; /* Inode number */
89 ext2_ino_t dotdot
; /* Parent according to '..' */
90 ext2_ino_t parent
; /* Parent according to treewalk */
95 * The indexed directory information structure; stores information for
96 * directories which contain a hash tree index.
99 ext2_ino_t ino
; /* Inode number */
100 int numblocks
; /* number of blocks */
102 short depth
; /* depth of tree */
103 struct dx_dirblock_info
*dx_block
; /* Array of size numblocks */
106 #define DX_DIRBLOCK_ROOT 1
107 #define DX_DIRBLOCK_LEAF 2
108 #define DX_DIRBLOCK_NODE 3
109 #define DX_DIRBLOCK_CORRUPT 4
110 #define DX_DIRBLOCK_CLEARED 8
112 struct dx_dirblock_info
{
117 ext2_dirhash_t min_hash
;
118 ext2_dirhash_t max_hash
;
119 ext2_dirhash_t node_min_hash
;
120 ext2_dirhash_t node_max_hash
;
123 #define DX_FLAG_REFERENCED 1
124 #define DX_FLAG_DUP_REF 2
125 #define DX_FLAG_FIRST 4
126 #define DX_FLAG_LAST 8
128 #ifdef RESOURCE_TRACK
130 * This structure is used for keeping track of how much resources have
131 * been used for a particular pass of e2fsck.
133 struct resource_track
{
134 struct timeval time_start
;
135 struct timeval user_start
;
136 struct timeval system_start
;
138 unsigned long long bytes_read
;
139 unsigned long long bytes_written
;
146 #define E2F_OPT_READONLY 0x0001
147 #define E2F_OPT_PREEN 0x0002
148 #define E2F_OPT_YES 0x0004
149 #define E2F_OPT_NO 0x0008
150 #define E2F_OPT_TIME 0x0010
151 #define E2F_OPT_TIME2 0x0020
152 #define E2F_OPT_CHECKBLOCKS 0x0040
153 #define E2F_OPT_DEBUG 0x0080
154 #define E2F_OPT_FORCE 0x0100
155 #define E2F_OPT_WRITECHECK 0x0200
156 #define E2F_OPT_COMPRESS_DIRS 0x0400
157 #define E2F_OPT_FRAGCHECK 0x0800
158 #define E2F_OPT_JOURNAL_ONLY 0x1000 /* only replay the journal */
159 #define E2F_OPT_DISCARD 0x2000
164 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
165 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
166 #define E2F_FLAG_SIGNAL_MASK 0x0003
167 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
168 #define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */
170 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
172 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
173 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
174 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
175 #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
176 * specified by the user */
177 #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
178 #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
179 #define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */
180 #define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */
181 #define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */
183 #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE)
186 * Defines for indicating the e2fsck pass number
193 #define E2F_PASS_1B 6
196 * Define the extended attribute refcount structure
198 typedef struct ea_refcount
*ext2_refcount_t
;
201 * This is the global e2fsck structure.
203 typedef struct e2fsck_struct
*e2fsck_t
;
205 #define MAX_EXTENT_DEPTH_COUNT 5
207 struct e2fsck_struct
{
209 const char *program_name
;
210 char *filesystem_name
;
213 int flags
; /* E2fsck internal flags */
215 blk64_t use_superblock
; /* sb requested by user */
216 blk64_t superblock
; /* sb used to open fs */
217 int blocksize
; /* blocksize */
218 blk64_t num_blocks
; /* Total number of blocks */
220 blkid_cache blkid
; /* blkid cache */
225 unsigned long abort_code
;
227 int (*progress
)(e2fsck_t ctx
, int pass
, unsigned long cur
,
230 ext2fs_inode_bitmap inode_used_map
; /* Inodes which are in use */
231 ext2fs_inode_bitmap inode_bad_map
; /* Inodes which are bad somehow */
232 ext2fs_inode_bitmap inode_dir_map
; /* Inodes which are directories */
233 ext2fs_inode_bitmap inode_bb_map
; /* Inodes which are in bad blocks */
234 ext2fs_inode_bitmap inode_imagic_map
; /* AFS inodes */
235 ext2fs_inode_bitmap inode_reg_map
; /* Inodes which are regular files*/
237 ext2fs_block_bitmap block_found_map
; /* Blocks which are in use */
238 ext2fs_block_bitmap block_dup_map
; /* Blks referenced more than once */
239 ext2fs_block_bitmap block_ea_map
; /* Blocks which are used by EA's */
244 ext2_icount_t inode_count
;
245 ext2_icount_t inode_link_info
;
247 ext2_refcount_t refcount
;
248 ext2_refcount_t refcount_extra
;
251 * Array of flags indicating whether an inode bitmap, block
252 * bitmap, or inode table is invalid
254 int *invalid_inode_bitmap_flag
;
255 int *invalid_block_bitmap_flag
;
256 int *invalid_inode_table_flag
;
257 int invalid_bitmaps
; /* There are invalid bitmaps/itable */
265 * For pass1_check_directory and pass1_get_blocks
267 ext2_ino_t stashed_ino
;
268 struct ext2_inode
*stashed_inode
;
271 * Location of the lost and found directory
273 ext2_ino_t lost_and_found
;
274 int bad_lost_and_found
;
277 * Directory information
279 struct dir_info_db
*dir_info
;
282 * Indexed directory information
284 int dx_dir_info_count
;
285 int dx_dir_info_size
;
286 struct dx_dir_info
*dx_dir_info
;
289 * Directories to hash
291 ext2_u32_list dirs_to_hash
;
296 int process_inode_size
;
297 int inode_buffer_blocks
;
298 unsigned int htree_slack_percentage
;
301 * ext3 journal support
303 io_channel journal_io
;
306 #ifdef RESOURCE_TRACK
308 * For timing purposes
310 struct resource_track global_rtrack
;
314 * How we display the progress update (for unix)
318 int progress_last_percent
;
319 unsigned int progress_last_time
;
320 int interactive
; /* Are we connected directly to a tty? */
321 char start_meta
[2], stop_meta
[2];
324 __u32 fs_directory_count
;
325 __u32 fs_regular_count
;
326 __u32 fs_blockdev_count
;
327 __u32 fs_chardev_count
;
328 __u32 fs_links_count
;
329 __u32 fs_symlinks_count
;
330 __u32 fs_fast_symlinks_count
;
332 __u32 fs_total_count
;
333 __u32 fs_badblocks_count
;
334 __u32 fs_sockets_count
;
339 __u32 fs_fragmented_dir
;
341 __u32 fs_ext_attr_inodes
;
342 __u32 fs_ext_attr_blocks
;
343 __u32 extent_depth_count
[MAX_EXTENT_DEPTH_COUNT
];
347 time_t time_fudge
; /* For working around buggy init scripts */
353 * For the use of callers of the e2fsck functions; not used by
354 * e2fsck functions themselves.
359 /* Used by the region allocation code */
360 typedef __u32 region_addr_t
;
361 typedef struct region_struct
*region_t
;
364 #define strnlen(str, x) e2fsck_strnlen((str),(x))
365 extern int e2fsck_strnlen(const char * s
, int count
);
369 * Procedure declarations
372 extern void e2fsck_pass1(e2fsck_t ctx
);
373 extern void e2fsck_pass1_dupblocks(e2fsck_t ctx
, char *block_buf
);
374 extern void e2fsck_pass2(e2fsck_t ctx
);
375 extern void e2fsck_pass3(e2fsck_t ctx
);
376 extern void e2fsck_pass4(e2fsck_t ctx
);
377 extern void e2fsck_pass5(e2fsck_t ctx
);
380 extern errcode_t
e2fsck_allocate_context(e2fsck_t
*ret
);
381 extern errcode_t
e2fsck_reset_context(e2fsck_t ctx
);
382 extern void e2fsck_free_context(e2fsck_t ctx
);
383 extern int e2fsck_run(e2fsck_t ctx
);
387 extern void read_bad_blocks_file(e2fsck_t ctx
, const char *bad_blocks_file
,
388 int replace_bad_blocks
);
391 extern __u32
crc32_be(__u32 crc
, unsigned char const *p
, size_t len
);
394 extern void e2fsck_add_dir_info(e2fsck_t ctx
, ext2_ino_t ino
, ext2_ino_t parent
);
395 extern void e2fsck_free_dir_info(e2fsck_t ctx
);
396 extern int e2fsck_get_num_dirinfo(e2fsck_t ctx
);
397 extern struct dir_info_iter
*e2fsck_dir_info_iter_begin(e2fsck_t ctx
);
398 extern struct dir_info
*e2fsck_dir_info_iter(e2fsck_t ctx
,
399 struct dir_info_iter
*);
400 extern void e2fsck_dir_info_iter_end(e2fsck_t ctx
, struct dir_info_iter
*);
401 extern int e2fsck_dir_info_set_parent(e2fsck_t ctx
, ext2_ino_t ino
,
403 extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx
, ext2_ino_t ino
,
405 extern int e2fsck_dir_info_get_parent(e2fsck_t ctx
, ext2_ino_t ino
,
407 extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx
, ext2_ino_t ino
,
411 extern void e2fsck_add_dx_dir(e2fsck_t ctx
, ext2_ino_t ino
, int num_blocks
);
412 extern struct dx_dir_info
*e2fsck_get_dx_dir_info(e2fsck_t ctx
, ext2_ino_t ino
);
413 extern void e2fsck_free_dx_dir_info(e2fsck_t ctx
);
414 extern int e2fsck_get_num_dx_dirinfo(e2fsck_t ctx
);
415 extern struct dx_dir_info
*e2fsck_dx_dir_info_iter(e2fsck_t ctx
, int *control
);
418 extern errcode_t
ea_refcount_create(int size
, ext2_refcount_t
*ret
);
419 extern void ea_refcount_free(ext2_refcount_t refcount
);
420 extern errcode_t
ea_refcount_fetch(ext2_refcount_t refcount
, blk_t blk
,
422 extern errcode_t
ea_refcount_increment(ext2_refcount_t refcount
,
423 blk_t blk
, int *ret
);
424 extern errcode_t
ea_refcount_decrement(ext2_refcount_t refcount
,
425 blk_t blk
, int *ret
);
426 extern errcode_t
ea_refcount_store(ext2_refcount_t refcount
,
427 blk_t blk
, int count
);
428 extern blk_t
ext2fs_get_refcount_size(ext2_refcount_t refcount
);
429 extern void ea_refcount_intr_begin(ext2_refcount_t refcount
);
430 extern blk_t
ea_refcount_intr_next(ext2_refcount_t refcount
, int *ret
);
433 extern const char *ehandler_operation(const char *op
);
434 extern void ehandler_init(io_channel channel
);
437 extern int e2fsck_check_ext3_journal(e2fsck_t ctx
);
438 extern int e2fsck_run_ext3_journal(e2fsck_t ctx
);
439 extern void e2fsck_move_ext3_journal(e2fsck_t ctx
);
440 extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx
);
443 extern void e2fsck_setup_tdb_icount(e2fsck_t ctx
, int flags
,
445 extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx
, int bool);
446 extern int e2fsck_pass1_check_device_inode(ext2_filsys fs
,
447 struct ext2_inode
*inode
);
448 extern int e2fsck_pass1_check_symlink(ext2_filsys fs
, ext2_ino_t ino
,
449 struct ext2_inode
*inode
, char *buf
);
450 extern void e2fsck_clear_inode(e2fsck_t ctx
, ext2_ino_t ino
,
451 struct ext2_inode
*inode
, int restart_flag
,
455 extern int e2fsck_process_bad_inode(e2fsck_t ctx
, ext2_ino_t dir
,
456 ext2_ino_t ino
, char *buf
);
459 extern int e2fsck_reconnect_file(e2fsck_t ctx
, ext2_ino_t inode
);
460 extern errcode_t
e2fsck_expand_directory(e2fsck_t ctx
, ext2_ino_t dir
,
461 int num
, int gauranteed_size
);
462 extern ext2_ino_t
e2fsck_get_lost_and_found(e2fsck_t ctx
, int fix
);
463 extern errcode_t
e2fsck_adjust_inode_count(e2fsck_t ctx
, ext2_ino_t ino
,
468 extern region_t
region_create(region_addr_t min
, region_addr_t max
);
469 extern void region_free(region_t region
);
470 extern int region_allocate(region_t region
, region_addr_t start
, int n
);
473 errcode_t
e2fsck_rehash_dir(e2fsck_t ctx
, ext2_ino_t ino
);
474 void e2fsck_rehash_directories(e2fsck_t ctx
);
477 void check_super_block(e2fsck_t ctx
);
478 int check_backup_super_block(e2fsck_t ctx
);
479 void check_resize_inode(e2fsck_t ctx
);
482 extern void *e2fsck_allocate_memory(e2fsck_t ctx
, unsigned int size
,
483 const char *description
);
484 extern int ask(e2fsck_t ctx
, const char * string
, int def
);
485 extern int ask_yn(const char * string
, int def
);
486 extern void fatal_error(e2fsck_t ctx
, const char * fmt_string
);
487 extern void e2fsck_read_bitmaps(e2fsck_t ctx
);
488 extern void e2fsck_write_bitmaps(e2fsck_t ctx
);
489 extern void preenhalt(e2fsck_t ctx
);
490 extern char *string_copy(e2fsck_t ctx
, const char *str
, int len
);
491 extern errcode_t
e2fsck_zero_blocks(ext2_filsys fs
, blk_t blk
, int num
,
492 blk_t
*ret_blk
, int *ret_count
);
493 extern int fs_proc_check(const char *fs_name
);
494 extern int check_for_modules(const char *fs_name
);
495 #ifdef RESOURCE_TRACK
496 extern void print_resource_track(e2fsck_t ctx
,
498 struct resource_track
*track
,
500 extern void init_resource_track(struct resource_track
*track
,
503 #define print_resource_track(ctx, desc, track, channel) do { } while (0)
504 #define init_resource_track(track, channel) do { } while (0)
506 extern int inode_has_valid_blocks(struct ext2_inode
*inode
);
507 extern void e2fsck_read_inode(e2fsck_t ctx
, unsigned long ino
,
508 struct ext2_inode
* inode
, const char * proc
);
509 extern void e2fsck_read_inode_full(e2fsck_t ctx
, unsigned long ino
,
510 struct ext2_inode
*inode
,
511 const int bufsize
, const char *proc
);
512 extern void e2fsck_write_inode(e2fsck_t ctx
, unsigned long ino
,
513 struct ext2_inode
* inode
, const char * proc
);
514 extern void e2fsck_write_inode_full(e2fsck_t ctx
, unsigned long ino
,
515 struct ext2_inode
* inode
, int bufsize
,
518 extern void mtrace_print(char *mesg
);
520 extern blk_t
get_backup_sb(e2fsck_t ctx
, ext2_filsys fs
,
521 const char *name
, io_manager manager
);
522 extern int ext2_file_type(unsigned int mode
);
523 extern int write_all(int fd
, char *buf
, size_t count
);
526 extern void e2fsck_clear_progbar(e2fsck_t ctx
);
527 extern int e2fsck_simple_progress(e2fsck_t ctx
, const char *label
,
528 float percent
, unsigned int dpynum
);
529 #endif /* _E2FSCK_H */