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 #define E2FSCK_ATTR(x) __attribute__(x)
67 #define E2FSCK_ATTR(x)
70 #include "quota/quotaio.h"
73 * Exit codes used by fsck-type programs
75 #define FSCK_OK 0 /* No errors */
76 #define FSCK_NONDESTRUCT 1 /* File system errors corrected */
77 #define FSCK_REBOOT 2 /* System should be rebooted */
78 #define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
79 #define FSCK_ERROR 8 /* Operational error */
80 #define FSCK_USAGE 16 /* Usage or syntax error */
81 #define FSCK_CANCELED 32 /* Aborted with a signal or ^C */
82 #define FSCK_LIBRARY 128 /* Shared library error */
85 * The last ext2fs revision level that this version of e2fsck is able to
88 #define E2FSCK_CURRENT_REV 1
91 * The directory information structure; stores directory information
92 * collected in earlier passes, to avoid disk i/o in fetching the
93 * directory information.
96 ext2_ino_t ino
; /* Inode number */
97 ext2_ino_t dotdot
; /* Parent according to '..' */
98 ext2_ino_t parent
; /* Parent according to treewalk */
103 * The indexed directory information structure; stores information for
104 * directories which contain a hash tree index.
107 ext2_ino_t ino
; /* Inode number */
108 int numblocks
; /* number of blocks */
110 short depth
; /* depth of tree */
111 struct dx_dirblock_info
*dx_block
; /* Array of size numblocks */
114 #define DX_DIRBLOCK_ROOT 1
115 #define DX_DIRBLOCK_LEAF 2
116 #define DX_DIRBLOCK_NODE 3
117 #define DX_DIRBLOCK_CORRUPT 4
118 #define DX_DIRBLOCK_CLEARED 8
120 struct dx_dirblock_info
{
125 ext2_dirhash_t min_hash
;
126 ext2_dirhash_t max_hash
;
127 ext2_dirhash_t node_min_hash
;
128 ext2_dirhash_t node_max_hash
;
131 #define DX_FLAG_REFERENCED 1
132 #define DX_FLAG_DUP_REF 2
133 #define DX_FLAG_FIRST 4
134 #define DX_FLAG_LAST 8
136 #define RESOURCE_TRACK
138 #ifdef RESOURCE_TRACK
140 * This structure is used for keeping track of how much resources have
141 * been used for a particular pass of e2fsck.
143 struct resource_track
{
144 struct timeval time_start
;
145 struct timeval user_start
;
146 struct timeval system_start
;
148 unsigned long long bytes_read
;
149 unsigned long long bytes_written
;
156 #define E2F_OPT_READONLY 0x0001
157 #define E2F_OPT_PREEN 0x0002
158 #define E2F_OPT_YES 0x0004
159 #define E2F_OPT_NO 0x0008
160 #define E2F_OPT_TIME 0x0010
161 #define E2F_OPT_TIME2 0x0020
162 #define E2F_OPT_CHECKBLOCKS 0x0040
163 #define E2F_OPT_DEBUG 0x0080
164 #define E2F_OPT_FORCE 0x0100
165 #define E2F_OPT_WRITECHECK 0x0200
166 #define E2F_OPT_COMPRESS_DIRS 0x0400
167 #define E2F_OPT_FRAGCHECK 0x0800
168 #define E2F_OPT_JOURNAL_ONLY 0x1000 /* only replay the journal */
169 #define E2F_OPT_DISCARD 0x2000
174 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
175 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
176 #define E2F_FLAG_SIGNAL_MASK 0x0003
177 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
178 #define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */
180 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
182 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
183 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
184 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
185 #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
186 * specified by the user */
187 #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
188 #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
189 #define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */
190 #define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */
191 #define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */
192 #define E2F_FLAG_PROBLEMS_FIXED 0x4000 /* At least one problem was fixed */
194 #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE | E2F_FLAG_PROBLEMS_FIXED)
197 * Defines for indicating the e2fsck pass number
204 #define E2F_PASS_1B 6
207 * Define the extended attribute refcount structure
209 typedef struct ea_refcount
*ext2_refcount_t
;
212 * This is the global e2fsck structure.
214 typedef struct e2fsck_struct
*e2fsck_t
;
216 #define MAX_EXTENT_DEPTH_COUNT 5
218 struct e2fsck_struct
{
220 const char *program_name
;
221 char *filesystem_name
;
226 int flags
; /* E2fsck internal flags */
228 int blocksize
; /* blocksize */
229 blk64_t use_superblock
; /* sb requested by user */
230 blk64_t superblock
; /* sb used to open fs */
231 blk64_t num_blocks
; /* Total number of blocks */
235 blkid_cache blkid
; /* blkid cache */
240 unsigned long abort_code
;
242 int (*progress
)(e2fsck_t ctx
, int pass
, unsigned long cur
,
245 ext2fs_inode_bitmap inode_used_map
; /* Inodes which are in use */
246 ext2fs_inode_bitmap inode_bad_map
; /* Inodes which are bad somehow */
247 ext2fs_inode_bitmap inode_dir_map
; /* Inodes which are directories */
248 ext2fs_inode_bitmap inode_bb_map
; /* Inodes which are in bad blocks */
249 ext2fs_inode_bitmap inode_imagic_map
; /* AFS inodes */
250 ext2fs_inode_bitmap inode_reg_map
; /* Inodes which are regular files*/
252 ext2fs_block_bitmap block_found_map
; /* Blocks which are in use */
253 ext2fs_block_bitmap block_dup_map
; /* Blks referenced more than once */
254 ext2fs_block_bitmap block_ea_map
; /* Blocks which are used by EA's */
259 ext2_icount_t inode_count
;
260 ext2_icount_t inode_link_info
;
262 ext2_refcount_t refcount
;
263 ext2_refcount_t refcount_extra
;
266 * Array of flags indicating whether an inode bitmap, block
267 * bitmap, or inode table is invalid
269 int *invalid_inode_bitmap_flag
;
270 int *invalid_block_bitmap_flag
;
271 int *invalid_inode_table_flag
;
272 int invalid_bitmaps
; /* There are invalid bitmaps/itable */
280 * For pass1_check_directory and pass1_get_blocks
282 ext2_ino_t stashed_ino
;
283 struct ext2_inode
*stashed_inode
;
286 * Location of the lost and found directory
288 ext2_ino_t lost_and_found
;
289 int bad_lost_and_found
;
292 * Directory information
294 struct dir_info_db
*dir_info
;
297 * Indexed directory information
299 int dx_dir_info_count
;
300 int dx_dir_info_size
;
301 struct dx_dir_info
*dx_dir_info
;
304 * Directories to hash
306 ext2_u32_list dirs_to_hash
;
311 int process_inode_size
;
312 int inode_buffer_blocks
;
313 unsigned int htree_slack_percentage
;
316 * ext3 journal support
318 io_channel journal_io
;
325 #ifdef RESOURCE_TRACK
327 * For timing purposes
329 struct resource_track global_rtrack
;
333 * How we display the progress update (for unix)
337 int progress_last_percent
;
338 unsigned int progress_last_time
;
339 int interactive
; /* Are we connected directly to a tty? */
340 char start_meta
[2], stop_meta
[2];
343 __u32 fs_directory_count
;
344 __u32 fs_regular_count
;
345 __u32 fs_blockdev_count
;
346 __u32 fs_chardev_count
;
347 __u32 fs_links_count
;
348 __u32 fs_symlinks_count
;
349 __u32 fs_fast_symlinks_count
;
351 __u32 fs_total_count
;
352 __u32 fs_badblocks_count
;
353 __u32 fs_sockets_count
;
358 __u32 fs_fragmented_dir
;
360 __u32 fs_ext_attr_inodes
;
361 __u32 fs_ext_attr_blocks
;
362 __u32 extent_depth_count
[MAX_EXTENT_DEPTH_COUNT
];
366 time_t time_fudge
; /* For working around buggy init scripts */
372 * For the use of callers of the e2fsck functions; not used by
373 * e2fsck functions themselves.
378 /* Used by the region allocation code */
379 typedef __u32 region_addr_t
;
380 typedef struct region_struct
*region_t
;
383 #define strnlen(str, x) e2fsck_strnlen((str),(x))
384 extern int e2fsck_strnlen(const char * s
, int count
);
388 * Procedure declarations
391 extern void e2fsck_pass1(e2fsck_t ctx
);
392 extern void e2fsck_pass1_dupblocks(e2fsck_t ctx
, char *block_buf
);
393 extern void e2fsck_pass2(e2fsck_t ctx
);
394 extern void e2fsck_pass3(e2fsck_t ctx
);
395 extern void e2fsck_pass4(e2fsck_t ctx
);
396 extern void e2fsck_pass5(e2fsck_t ctx
);
399 extern errcode_t
e2fsck_allocate_context(e2fsck_t
*ret
);
400 extern errcode_t
e2fsck_reset_context(e2fsck_t ctx
);
401 extern void e2fsck_free_context(e2fsck_t ctx
);
402 extern int e2fsck_run(e2fsck_t ctx
);
406 extern void read_bad_blocks_file(e2fsck_t ctx
, const char *bad_blocks_file
,
407 int replace_bad_blocks
);
410 extern void e2fsck_add_dir_info(e2fsck_t ctx
, ext2_ino_t ino
, ext2_ino_t parent
);
411 extern void e2fsck_free_dir_info(e2fsck_t ctx
);
412 extern int e2fsck_get_num_dirinfo(e2fsck_t ctx
);
413 extern struct dir_info_iter
*e2fsck_dir_info_iter_begin(e2fsck_t ctx
);
414 extern struct dir_info
*e2fsck_dir_info_iter(e2fsck_t ctx
,
415 struct dir_info_iter
*);
416 extern void e2fsck_dir_info_iter_end(e2fsck_t ctx
, struct dir_info_iter
*);
417 extern int e2fsck_dir_info_set_parent(e2fsck_t ctx
, ext2_ino_t ino
,
419 extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx
, ext2_ino_t ino
,
421 extern int e2fsck_dir_info_get_parent(e2fsck_t ctx
, ext2_ino_t ino
,
423 extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx
, ext2_ino_t ino
,
427 extern void e2fsck_add_dx_dir(e2fsck_t ctx
, ext2_ino_t ino
, int num_blocks
);
428 extern struct dx_dir_info
*e2fsck_get_dx_dir_info(e2fsck_t ctx
, ext2_ino_t ino
);
429 extern void e2fsck_free_dx_dir_info(e2fsck_t ctx
);
430 extern int e2fsck_get_num_dx_dirinfo(e2fsck_t ctx
);
431 extern struct dx_dir_info
*e2fsck_dx_dir_info_iter(e2fsck_t ctx
, int *control
);
434 extern errcode_t
ea_refcount_create(int size
, ext2_refcount_t
*ret
);
435 extern void ea_refcount_free(ext2_refcount_t refcount
);
436 extern errcode_t
ea_refcount_fetch(ext2_refcount_t refcount
, blk64_t blk
, int *ret
);
437 extern errcode_t
ea_refcount_increment(ext2_refcount_t refcount
,
438 blk64_t blk
, int *ret
);
439 extern errcode_t
ea_refcount_decrement(ext2_refcount_t refcount
,
440 blk64_t blk
, int *ret
);
441 extern errcode_t
ea_refcount_store(ext2_refcount_t refcount
,
442 blk64_t blk
, int count
);
443 extern blk_t
ext2fs_get_refcount_size(ext2_refcount_t refcount
);
444 extern void ea_refcount_intr_begin(ext2_refcount_t refcount
);
445 extern blk64_t
ea_refcount_intr_next(ext2_refcount_t refcount
, int *ret
);
448 extern const char *ehandler_operation(const char *op
);
449 extern void ehandler_init(io_channel channel
);
452 extern errcode_t
e2fsck_check_ext3_journal(e2fsck_t ctx
);
453 extern errcode_t
e2fsck_run_ext3_journal(e2fsck_t ctx
);
454 extern void e2fsck_move_ext3_journal(e2fsck_t ctx
);
455 extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx
);
458 extern void set_up_logging(e2fsck_t ctx
);
461 extern void e2fsck_hide_quota(e2fsck_t ctx
);
464 extern void e2fsck_setup_tdb_icount(e2fsck_t ctx
, int flags
,
466 extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx
, int use_shortcuts
);
467 extern int e2fsck_pass1_check_device_inode(ext2_filsys fs
,
468 struct ext2_inode
*inode
);
469 extern int e2fsck_pass1_check_symlink(ext2_filsys fs
, ext2_ino_t ino
,
470 struct ext2_inode
*inode
, char *buf
);
471 extern void e2fsck_clear_inode(e2fsck_t ctx
, ext2_ino_t ino
,
472 struct ext2_inode
*inode
, int restart_flag
,
476 extern int e2fsck_process_bad_inode(e2fsck_t ctx
, ext2_ino_t dir
,
477 ext2_ino_t ino
, char *buf
);
480 extern int e2fsck_reconnect_file(e2fsck_t ctx
, ext2_ino_t inode
);
481 extern errcode_t
e2fsck_expand_directory(e2fsck_t ctx
, ext2_ino_t dir
,
482 int num
, int gauranteed_size
);
483 extern ext2_ino_t
e2fsck_get_lost_and_found(e2fsck_t ctx
, int fix
);
484 extern errcode_t
e2fsck_adjust_inode_count(e2fsck_t ctx
, ext2_ino_t ino
,
489 extern region_t
region_create(region_addr_t min
, region_addr_t max
);
490 extern void region_free(region_t region
);
491 extern int region_allocate(region_t region
, region_addr_t start
, int n
);
494 void e2fsck_rehash_dir_later(e2fsck_t ctx
, ext2_ino_t ino
);
495 int e2fsck_dir_will_be_rehashed(e2fsck_t ctx
, ext2_ino_t ino
);
496 errcode_t
e2fsck_rehash_dir(e2fsck_t ctx
, ext2_ino_t ino
);
497 void e2fsck_rehash_directories(e2fsck_t ctx
);
500 void sigcatcher_setup(void);
503 void check_super_block(e2fsck_t ctx
);
504 int check_backup_super_block(e2fsck_t ctx
);
505 void check_resize_inode(e2fsck_t ctx
);
508 extern void *e2fsck_allocate_memory(e2fsck_t ctx
, unsigned int size
,
509 const char *description
);
510 extern int ask(e2fsck_t ctx
, const char * string
, int def
);
511 extern int ask_yn(e2fsck_t ctx
, const char * string
, int def
);
512 extern void fatal_error(e2fsck_t ctx
, const char * fmt_string
);
513 extern void log_out(e2fsck_t ctx
, const char *fmt
, ...)
514 E2FSCK_ATTR((format(printf
, 2, 3)));
515 extern void log_err(e2fsck_t ctx
, const char *fmt
, ...)
516 E2FSCK_ATTR((format(printf
, 2, 3)));
517 extern void e2fsck_read_bitmaps(e2fsck_t ctx
);
518 extern void e2fsck_write_bitmaps(e2fsck_t ctx
);
519 extern void preenhalt(e2fsck_t ctx
);
520 extern char *string_copy(e2fsck_t ctx
, const char *str
, int len
);
521 extern errcode_t
e2fsck_zero_blocks(ext2_filsys fs
, blk_t blk
, int num
,
522 blk_t
*ret_blk
, int *ret_count
);
523 extern int fs_proc_check(const char *fs_name
);
524 extern int check_for_modules(const char *fs_name
);
525 #ifdef RESOURCE_TRACK
526 extern void print_resource_track(e2fsck_t ctx
,
528 struct resource_track
*track
,
530 extern void init_resource_track(struct resource_track
*track
,
533 #define print_resource_track(ctx, desc, track, channel) do { } while (0)
534 #define init_resource_track(track, channel) do { } while (0)
536 extern int inode_has_valid_blocks(struct ext2_inode
*inode
);
537 extern void e2fsck_read_inode(e2fsck_t ctx
, unsigned long ino
,
538 struct ext2_inode
* inode
, const char * proc
);
539 extern void e2fsck_read_inode_full(e2fsck_t ctx
, unsigned long ino
,
540 struct ext2_inode
*inode
,
541 const int bufsize
, const char *proc
);
542 extern void e2fsck_write_inode(e2fsck_t ctx
, unsigned long ino
,
543 struct ext2_inode
* inode
, const char * proc
);
544 extern void e2fsck_write_inode_full(e2fsck_t ctx
, unsigned long ino
,
545 struct ext2_inode
* inode
, int bufsize
,
548 extern void mtrace_print(char *mesg
);
550 extern blk64_t
get_backup_sb(e2fsck_t ctx
, ext2_filsys fs
,
551 const char *name
, io_manager manager
);
552 extern int ext2_file_type(unsigned int mode
);
553 extern int write_all(int fd
, char *buf
, size_t count
);
554 void dump_mmp_msg(struct mmp_struct
*mmp
, const char *msg
);
555 errcode_t
e2fsck_mmp_update(ext2_filsys fs
);
557 extern void e2fsck_set_bitmap_type(ext2_filsys fs
,
558 unsigned int default_type
,
559 const char *profile_name
,
560 unsigned int *old_type
);
561 extern errcode_t
e2fsck_allocate_inode_bitmap(ext2_filsys fs
,
564 const char *profile_name
,
565 ext2fs_inode_bitmap
*ret
);
566 extern errcode_t
e2fsck_allocate_block_bitmap(ext2_filsys fs
,
569 const char *profile_name
,
570 ext2fs_block_bitmap
*ret
);
571 extern errcode_t
e2fsck_allocate_subcluster_bitmap(ext2_filsys fs
,
574 const char *profile_name
,
575 ext2fs_block_bitmap
*ret
);
578 extern void e2fsck_clear_progbar(e2fsck_t ctx
);
579 extern int e2fsck_simple_progress(e2fsck_t ctx
, const char *label
,
580 float percent
, unsigned int dpynum
);
581 #endif /* _E2FSCK_H */