]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * e2fsck.h | |
3 | * | |
4 | * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be | |
5 | * redistributed under the terms of the GNU Public License. | |
6 | * | |
7 | */ | |
8 | ||
9 | #ifndef _E2FSCK_H | |
10 | #define _E2FSCK_H | |
11 | ||
12 | #include <stdio.h> | |
13 | #include <string.h> | |
14 | #ifdef HAVE_UNISTD_H | |
15 | #include <unistd.h> | |
16 | #endif | |
17 | #include <stdlib.h> | |
18 | #include <time.h> | |
19 | #ifdef HAVE_SYS_TYPES_H | |
20 | #include <sys/types.h> | |
21 | #endif | |
22 | #ifdef HAVE_SYS_TIME_H | |
23 | #include <sys/time.h> | |
24 | #endif | |
25 | #ifdef HAVE_SETJMP_H | |
26 | #include <setjmp.h> | |
27 | #endif | |
28 | ||
29 | #if EXT2_FLAT_INCLUDES | |
30 | #include "ext2_fs.h" | |
31 | #include "ext2fs.h" | |
32 | #include "blkid.h" | |
33 | #else | |
34 | #include "ext2fs/ext2_fs.h" | |
35 | #include "ext2fs/ext2fs.h" | |
36 | #include "blkid/blkid.h" | |
37 | #endif | |
38 | ||
39 | #include "support/profile.h" | |
40 | #include "support/prof_err.h" | |
41 | ||
42 | #ifdef ENABLE_NLS | |
43 | #include <libintl.h> | |
44 | #include <locale.h> | |
45 | #define _(a) (gettext (a)) | |
46 | #ifdef gettext_noop | |
47 | #define N_(a) gettext_noop (a) | |
48 | #else | |
49 | #define N_(a) (a) | |
50 | #endif | |
51 | #define P_(singular, plural, n) (ngettext (singular, plural, n)) | |
52 | #ifndef NLS_CAT_NAME | |
53 | #define NLS_CAT_NAME "e2fsprogs" | |
54 | #endif | |
55 | #ifndef LOCALEDIR | |
56 | #define LOCALEDIR "/usr/share/locale" | |
57 | #endif | |
58 | #else | |
59 | #define _(a) (a) | |
60 | #define N_(a) a | |
61 | #define P_(singular, plural, n) ((n) == 1 ? (singular) : (plural)) | |
62 | #endif | |
63 | ||
64 | #ifdef __GNUC__ | |
65 | #define E2FSCK_ATTR(x) __attribute__(x) | |
66 | #else | |
67 | #define E2FSCK_ATTR(x) | |
68 | #endif | |
69 | ||
70 | #include "support/quotaio.h" | |
71 | ||
72 | /* | |
73 | * Exit codes used by fsck-type programs | |
74 | */ | |
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 */ | |
83 | ||
84 | /* | |
85 | * The last ext2fs revision level that this version of e2fsck is able to | |
86 | * support | |
87 | */ | |
88 | #define E2FSCK_CURRENT_REV 1 | |
89 | ||
90 | /* | |
91 | * The directory information structure; stores directory information | |
92 | * collected in earlier passes, to avoid disk i/o in fetching the | |
93 | * directory information. | |
94 | */ | |
95 | struct dir_info { | |
96 | ext2_ino_t ino; /* Inode number */ | |
97 | ext2_ino_t dotdot; /* Parent according to '..' */ | |
98 | ext2_ino_t parent; /* Parent according to treewalk */ | |
99 | }; | |
100 | ||
101 | ||
102 | /* | |
103 | * The indexed directory information structure; stores information for | |
104 | * directories which contain a hash tree index. | |
105 | */ | |
106 | struct dx_dir_info { | |
107 | ext2_ino_t ino; /* Inode number */ | |
108 | int numblocks; /* number of blocks */ | |
109 | int hashversion; | |
110 | short depth; /* depth of tree */ | |
111 | struct dx_dirblock_info *dx_block; /* Array of size numblocks */ | |
112 | }; | |
113 | ||
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 | |
119 | ||
120 | struct dx_dirblock_info { | |
121 | int type; | |
122 | blk64_t phys; | |
123 | int flags; | |
124 | blk64_t parent; | |
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; | |
129 | }; | |
130 | ||
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 | |
135 | ||
136 | #define RESOURCE_TRACK | |
137 | ||
138 | #ifdef RESOURCE_TRACK | |
139 | /* | |
140 | * This structure is used for keeping track of how much resources have | |
141 | * been used for a particular pass of e2fsck. | |
142 | */ | |
143 | struct resource_track { | |
144 | struct timeval time_start; | |
145 | struct timeval user_start; | |
146 | struct timeval system_start; | |
147 | void *brk_start; | |
148 | unsigned long long bytes_read; | |
149 | unsigned long long bytes_written; | |
150 | }; | |
151 | #endif | |
152 | ||
153 | /* | |
154 | * E2fsck options | |
155 | */ | |
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 | |
170 | #define E2F_OPT_CONVERT_BMAP 0x4000 /* convert blockmap to extent */ | |
171 | #define E2F_OPT_FIXES_ONLY 0x8000 /* skip all optimizations */ | |
172 | #define E2F_OPT_NOOPT_EXTENTS 0x10000 /* don't optimize extents */ | |
173 | #define E2F_OPT_ICOUNT_FULLMAP 0x20000 /* use an array for inode counts */ | |
174 | ||
175 | /* | |
176 | * E2fsck flags | |
177 | */ | |
178 | #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */ | |
179 | #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */ | |
180 | #define E2F_FLAG_SIGNAL_MASK (E2F_FLAG_ABORT | E2F_FLAG_CANCEL) | |
181 | #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */ | |
182 | #define E2F_FLAG_RUN_RETURN (E2F_FLAG_SIGNAL_MASK | E2F_FLAG_RESTART) | |
183 | #define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */ | |
184 | #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */ | |
185 | ||
186 | #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */ | |
187 | #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */ | |
188 | #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */ | |
189 | #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly | |
190 | * specified by the user */ | |
191 | #define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */ | |
192 | #define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */ | |
193 | #define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */ | |
194 | #define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */ | |
195 | #define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */ | |
196 | #define E2F_FLAG_PROBLEMS_FIXED 0x4000 /* At least one problem was fixed */ | |
197 | #define E2F_FLAG_ALLOC_OK 0x8000 /* Can we allocate blocks? */ | |
198 | ||
199 | #define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE | E2F_FLAG_PROBLEMS_FIXED) | |
200 | ||
201 | /* | |
202 | * Defines for indicating the e2fsck pass number | |
203 | */ | |
204 | #define E2F_PASS_1 1 | |
205 | #define E2F_PASS_2 2 | |
206 | #define E2F_PASS_3 3 | |
207 | #define E2F_PASS_4 4 | |
208 | #define E2F_PASS_5 5 | |
209 | #define E2F_PASS_1B 6 | |
210 | ||
211 | /* | |
212 | * Define the extended attribute refcount structure | |
213 | */ | |
214 | typedef struct ea_refcount *ext2_refcount_t; | |
215 | ||
216 | /* | |
217 | * This is the global e2fsck structure. | |
218 | */ | |
219 | typedef struct e2fsck_struct *e2fsck_t; | |
220 | ||
221 | #define MAX_EXTENT_DEPTH_COUNT 5 | |
222 | ||
223 | struct e2fsck_struct { | |
224 | ext2_filsys fs; | |
225 | const char *program_name; | |
226 | char *filesystem_name; | |
227 | char *device_name; | |
228 | char *io_options; | |
229 | FILE *logf; | |
230 | char *log_fn; | |
231 | int flags; /* E2fsck internal flags */ | |
232 | int options; | |
233 | int blocksize; /* blocksize */ | |
234 | blk64_t use_superblock; /* sb requested by user */ | |
235 | blk64_t superblock; /* sb used to open fs */ | |
236 | blk64_t num_blocks; /* Total number of blocks */ | |
237 | blk64_t free_blocks; | |
238 | ino_t free_inodes; | |
239 | int mount_flags; | |
240 | int openfs_flags; | |
241 | blkid_cache blkid; /* blkid cache */ | |
242 | ||
243 | #ifdef HAVE_SETJMP_H | |
244 | jmp_buf abort_loc; | |
245 | #endif | |
246 | unsigned long abort_code; | |
247 | ||
248 | int (*progress)(e2fsck_t ctx, int pass, unsigned long cur, | |
249 | unsigned long max); | |
250 | ||
251 | ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */ | |
252 | ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */ | |
253 | ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */ | |
254 | ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */ | |
255 | ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */ | |
256 | ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/ | |
257 | ||
258 | ext2fs_block_bitmap block_found_map; /* Blocks which are in use */ | |
259 | ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */ | |
260 | ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */ | |
261 | ||
262 | /* | |
263 | * Inode count arrays | |
264 | */ | |
265 | ext2_icount_t inode_count; | |
266 | ext2_icount_t inode_link_info; | |
267 | ||
268 | ext2_refcount_t refcount; | |
269 | ext2_refcount_t refcount_extra; | |
270 | ||
271 | /* | |
272 | * Array of flags indicating whether an inode bitmap, block | |
273 | * bitmap, or inode table is invalid | |
274 | */ | |
275 | int *invalid_inode_bitmap_flag; | |
276 | int *invalid_block_bitmap_flag; | |
277 | int *invalid_inode_table_flag; | |
278 | int invalid_bitmaps; /* There are invalid bitmaps/itable */ | |
279 | ||
280 | /* | |
281 | * Block buffer | |
282 | */ | |
283 | char *block_buf; | |
284 | ||
285 | /* | |
286 | * For pass1_check_directory and pass1_get_blocks | |
287 | */ | |
288 | ext2_ino_t stashed_ino; | |
289 | struct ext2_inode *stashed_inode; | |
290 | ||
291 | /* | |
292 | * Location of the lost and found directory | |
293 | */ | |
294 | ext2_ino_t lost_and_found; | |
295 | int bad_lost_and_found; | |
296 | ||
297 | /* | |
298 | * Directory information | |
299 | */ | |
300 | struct dir_info_db *dir_info; | |
301 | ||
302 | /* | |
303 | * Indexed directory information | |
304 | */ | |
305 | int dx_dir_info_count; | |
306 | int dx_dir_info_size; | |
307 | struct dx_dir_info *dx_dir_info; | |
308 | ||
309 | /* | |
310 | * Directories to hash | |
311 | */ | |
312 | ext2_u32_list dirs_to_hash; | |
313 | ||
314 | /* | |
315 | * Tuning parameters | |
316 | */ | |
317 | int process_inode_size; | |
318 | int inode_buffer_blocks; | |
319 | unsigned int htree_slack_percentage; | |
320 | ||
321 | /* | |
322 | * ext3 journal support | |
323 | */ | |
324 | io_channel journal_io; | |
325 | char *journal_name; | |
326 | ||
327 | /* | |
328 | * Ext4 quota support | |
329 | */ | |
330 | quota_ctx_t qctx; | |
331 | #ifdef RESOURCE_TRACK | |
332 | /* | |
333 | * For timing purposes | |
334 | */ | |
335 | struct resource_track global_rtrack; | |
336 | #endif | |
337 | ||
338 | /* | |
339 | * How we display the progress update (for unix) | |
340 | */ | |
341 | int progress_fd; | |
342 | int progress_pos; | |
343 | int progress_last_percent; | |
344 | unsigned int progress_last_time; | |
345 | int interactive; /* Are we connected directly to a tty? */ | |
346 | char start_meta[2], stop_meta[2]; | |
347 | ||
348 | /* File counts */ | |
349 | __u32 fs_directory_count; | |
350 | __u32 fs_regular_count; | |
351 | __u32 fs_blockdev_count; | |
352 | __u32 fs_chardev_count; | |
353 | __u32 fs_links_count; | |
354 | __u32 fs_symlinks_count; | |
355 | __u32 fs_fast_symlinks_count; | |
356 | __u32 fs_fifo_count; | |
357 | __u32 fs_total_count; | |
358 | __u32 fs_badblocks_count; | |
359 | __u32 fs_sockets_count; | |
360 | __u32 fs_ind_count; | |
361 | __u32 fs_dind_count; | |
362 | __u32 fs_tind_count; | |
363 | __u32 fs_fragmented; | |
364 | __u32 fs_fragmented_dir; | |
365 | __u32 large_files; | |
366 | __u32 fs_ext_attr_inodes; | |
367 | __u32 fs_ext_attr_blocks; | |
368 | __u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT]; | |
369 | ||
370 | /* misc fields */ | |
371 | time_t now; | |
372 | time_t time_fudge; /* For working around buggy init scripts */ | |
373 | int ext_attr_ver; | |
374 | profile_t profile; | |
375 | int blocks_per_page; | |
376 | ext2_u32_list encrypted_dirs; | |
377 | ||
378 | /* Reserve blocks for root and l+f re-creation */ | |
379 | blk64_t root_repair_block, lnf_repair_block; | |
380 | ||
381 | /* | |
382 | * For the use of callers of the e2fsck functions; not used by | |
383 | * e2fsck functions themselves. | |
384 | */ | |
385 | void *priv_data; | |
386 | ext2fs_block_bitmap block_metadata_map; /* Metadata blocks */ | |
387 | ||
388 | /* How much are we allowed to readahead? */ | |
389 | unsigned long long readahead_kb; | |
390 | ||
391 | /* | |
392 | * Inodes to rebuild extent trees | |
393 | */ | |
394 | ext2fs_inode_bitmap inodes_to_rebuild; | |
395 | ||
396 | /* Undo file */ | |
397 | char *undo_file; | |
398 | }; | |
399 | ||
400 | /* Data structures to evaluate whether an extent tree needs rebuilding. */ | |
401 | struct extent_tree_level { | |
402 | unsigned int num_extents; | |
403 | unsigned int max_extents; | |
404 | }; | |
405 | ||
406 | struct extent_tree_info { | |
407 | ext2_ino_t ino; | |
408 | int force_rebuild; | |
409 | struct extent_tree_level ext_info[MAX_EXTENT_DEPTH_COUNT]; | |
410 | }; | |
411 | ||
412 | /* Used by the region allocation code */ | |
413 | typedef __u64 region_addr_t; | |
414 | typedef struct region_struct *region_t; | |
415 | ||
416 | #ifndef HAVE_STRNLEN | |
417 | #define strnlen(str, x) e2fsck_strnlen((str),(x)) | |
418 | extern int e2fsck_strnlen(const char * s, int count); | |
419 | #endif | |
420 | ||
421 | /* | |
422 | * Procedure declarations | |
423 | */ | |
424 | ||
425 | extern void e2fsck_pass1(e2fsck_t ctx); | |
426 | extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf); | |
427 | extern void e2fsck_pass2(e2fsck_t ctx); | |
428 | extern void e2fsck_pass3(e2fsck_t ctx); | |
429 | extern void e2fsck_pass4(e2fsck_t ctx); | |
430 | extern void e2fsck_pass5(e2fsck_t ctx); | |
431 | ||
432 | /* e2fsck.c */ | |
433 | extern errcode_t e2fsck_allocate_context(e2fsck_t *ret); | |
434 | extern errcode_t e2fsck_reset_context(e2fsck_t ctx); | |
435 | extern void e2fsck_free_context(e2fsck_t ctx); | |
436 | extern int e2fsck_run(e2fsck_t ctx); | |
437 | ||
438 | ||
439 | /* badblock.c */ | |
440 | extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file, | |
441 | int replace_bad_blocks); | |
442 | ||
443 | /* dirinfo.c */ | |
444 | extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent); | |
445 | extern void e2fsck_free_dir_info(e2fsck_t ctx); | |
446 | extern int e2fsck_get_num_dirinfo(e2fsck_t ctx); | |
447 | extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx); | |
448 | extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, | |
449 | struct dir_info_iter *); | |
450 | extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *); | |
451 | extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino, | |
452 | ext2_ino_t parent); | |
453 | extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino, | |
454 | ext2_ino_t dotdot); | |
455 | extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino, | |
456 | ext2_ino_t *parent); | |
457 | extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino, | |
458 | ext2_ino_t *dotdot); | |
459 | ||
460 | /* dx_dirinfo.c */ | |
461 | extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino, int num_blocks); | |
462 | extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino); | |
463 | extern void e2fsck_free_dx_dir_info(e2fsck_t ctx); | |
464 | extern int e2fsck_get_num_dx_dirinfo(e2fsck_t ctx); | |
465 | extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx, int *control); | |
466 | ||
467 | /* ea_refcount.c */ | |
468 | extern errcode_t ea_refcount_create(int size, ext2_refcount_t *ret); | |
469 | extern void ea_refcount_free(ext2_refcount_t refcount); | |
470 | extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, blk64_t blk, int *ret); | |
471 | extern errcode_t ea_refcount_increment(ext2_refcount_t refcount, | |
472 | blk64_t blk, int *ret); | |
473 | extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount, | |
474 | blk64_t blk, int *ret); | |
475 | extern errcode_t ea_refcount_store(ext2_refcount_t refcount, | |
476 | blk64_t blk, int count); | |
477 | extern blk_t ext2fs_get_refcount_size(ext2_refcount_t refcount); | |
478 | extern void ea_refcount_intr_begin(ext2_refcount_t refcount); | |
479 | extern blk64_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret); | |
480 | ||
481 | /* ehandler.c */ | |
482 | extern const char *ehandler_operation(const char *op); | |
483 | extern void ehandler_init(io_channel channel); | |
484 | ||
485 | /* extents.c */ | |
486 | struct problem_context; | |
487 | errcode_t e2fsck_rebuild_extents_later(e2fsck_t ctx, ext2_ino_t ino); | |
488 | int e2fsck_ino_will_be_rebuilt(e2fsck_t ctx, ext2_ino_t ino); | |
489 | void e2fsck_pass1e(e2fsck_t ctx); | |
490 | errcode_t e2fsck_check_rebuild_extents(e2fsck_t ctx, ext2_ino_t ino, | |
491 | struct ext2_inode *inode, | |
492 | struct problem_context *pctx); | |
493 | errcode_t e2fsck_should_rebuild_extents(e2fsck_t ctx, | |
494 | struct problem_context *pctx, | |
495 | struct extent_tree_info *eti, | |
496 | struct ext2_extent_info *info); | |
497 | ||
498 | /* journal.c */ | |
499 | extern errcode_t e2fsck_check_ext3_journal(e2fsck_t ctx); | |
500 | extern errcode_t e2fsck_run_ext3_journal(e2fsck_t ctx); | |
501 | extern void e2fsck_move_ext3_journal(e2fsck_t ctx); | |
502 | extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx); | |
503 | ||
504 | /* logfile.c */ | |
505 | extern void set_up_logging(e2fsck_t ctx); | |
506 | ||
507 | /* quota.c */ | |
508 | extern void e2fsck_hide_quota(e2fsck_t ctx); | |
509 | extern void e2fsck_validate_quota_inodes(e2fsck_t ctx); | |
510 | ||
511 | /* pass1.c */ | |
512 | extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name, | |
513 | int flags, ext2_icount_t hint, | |
514 | ext2_icount_t *ret); | |
515 | extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts); | |
516 | extern int e2fsck_pass1_check_device_inode(ext2_filsys fs, | |
517 | struct ext2_inode *inode); | |
518 | extern int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino, | |
519 | struct ext2_inode *inode, char *buf); | |
520 | extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino, | |
521 | struct ext2_inode *inode, int restart_flag, | |
522 | const char *source); | |
523 | extern void e2fsck_intercept_block_allocations(e2fsck_t ctx); | |
524 | ||
525 | /* pass2.c */ | |
526 | extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir, | |
527 | ext2_ino_t ino, char *buf); | |
528 | ||
529 | /* pass3.c */ | |
530 | extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode); | |
531 | extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir, | |
532 | int num, int gauranteed_size); | |
533 | extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix); | |
534 | extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino, | |
535 | int adj); | |
536 | ||
537 | /* readahead.c */ | |
538 | #define E2FSCK_READA_SUPER (0x01) | |
539 | #define E2FSCK_READA_GDT (0x02) | |
540 | #define E2FSCK_READA_BBITMAP (0x04) | |
541 | #define E2FSCK_READA_IBITMAP (0x08) | |
542 | #define E2FSCK_READA_ITABLE (0x10) | |
543 | #define E2FSCK_READA_ALL_FLAGS (0x1F) | |
544 | errcode_t e2fsck_readahead(ext2_filsys fs, int flags, dgrp_t start, | |
545 | dgrp_t ngroups); | |
546 | #define E2FSCK_RA_DBLIST_IGNORE_BLOCKCNT (0x01) | |
547 | #define E2FSCK_RA_DBLIST_ALL_FLAGS (0x01) | |
548 | errcode_t e2fsck_readahead_dblist(ext2_filsys fs, int flags, | |
549 | ext2_dblist dblist, | |
550 | unsigned long long start, | |
551 | unsigned long long count); | |
552 | int e2fsck_can_readahead(ext2_filsys fs); | |
553 | unsigned long long e2fsck_guess_readahead(ext2_filsys fs); | |
554 | ||
555 | /* region.c */ | |
556 | extern region_t region_create(region_addr_t min, region_addr_t max); | |
557 | extern void region_free(region_t region); | |
558 | extern int region_allocate(region_t region, region_addr_t start, int n); | |
559 | ||
560 | /* rehash.c */ | |
561 | void e2fsck_rehash_dir_later(e2fsck_t ctx, ext2_ino_t ino); | |
562 | int e2fsck_dir_will_be_rehashed(e2fsck_t ctx, ext2_ino_t ino); | |
563 | errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino, | |
564 | struct problem_context *pctx); | |
565 | void e2fsck_rehash_directories(e2fsck_t ctx); | |
566 | ||
567 | /* sigcatcher.c */ | |
568 | void sigcatcher_setup(void); | |
569 | ||
570 | /* super.c */ | |
571 | void check_super_block(e2fsck_t ctx); | |
572 | int check_backup_super_block(e2fsck_t ctx); | |
573 | void check_resize_inode(e2fsck_t ctx); | |
574 | ||
575 | /* util.c */ | |
576 | extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size, | |
577 | const char *description); | |
578 | extern int ask(e2fsck_t ctx, const char * string, int def); | |
579 | extern int ask_yn(e2fsck_t ctx, const char * string, int def); | |
580 | extern void fatal_error(e2fsck_t ctx, const char * fmt_string); | |
581 | extern void log_out(e2fsck_t ctx, const char *fmt, ...) | |
582 | E2FSCK_ATTR((format(printf, 2, 3))); | |
583 | extern void log_err(e2fsck_t ctx, const char *fmt, ...) | |
584 | E2FSCK_ATTR((format(printf, 2, 3))); | |
585 | extern void e2fsck_read_bitmaps(e2fsck_t ctx); | |
586 | extern void e2fsck_write_bitmaps(e2fsck_t ctx); | |
587 | extern void preenhalt(e2fsck_t ctx); | |
588 | extern char *string_copy(e2fsck_t ctx, const char *str, int len); | |
589 | extern int fs_proc_check(const char *fs_name); | |
590 | extern int check_for_modules(const char *fs_name); | |
591 | #ifdef RESOURCE_TRACK | |
592 | extern void print_resource_track(e2fsck_t ctx, | |
593 | const char *desc, | |
594 | struct resource_track *track, | |
595 | io_channel channel); | |
596 | extern void init_resource_track(struct resource_track *track, | |
597 | io_channel channel); | |
598 | #else | |
599 | #define print_resource_track(ctx, desc, track, channel) do { } while (0) | |
600 | #define init_resource_track(track, channel) do { } while (0) | |
601 | #endif | |
602 | extern int inode_has_valid_blocks(struct ext2_inode *inode); | |
603 | extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino, | |
604 | struct ext2_inode * inode, const char * proc); | |
605 | extern void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino, | |
606 | struct ext2_inode *inode, | |
607 | const int bufsize, const char *proc); | |
608 | extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino, | |
609 | struct ext2_inode * inode, const char * proc); | |
610 | extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino, | |
611 | struct ext2_inode * inode, int bufsize, | |
612 | const char *proc); | |
613 | #ifdef MTRACE | |
614 | extern void mtrace_print(char *mesg); | |
615 | #endif | |
616 | extern blk64_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs, | |
617 | const char *name, io_manager manager); | |
618 | extern int ext2_file_type(unsigned int mode); | |
619 | extern int write_all(int fd, char *buf, size_t count); | |
620 | void dump_mmp_msg(struct mmp_struct *mmp, const char *msg); | |
621 | errcode_t e2fsck_mmp_update(ext2_filsys fs); | |
622 | ||
623 | extern void e2fsck_set_bitmap_type(ext2_filsys fs, | |
624 | unsigned int default_type, | |
625 | const char *profile_name, | |
626 | unsigned int *old_type); | |
627 | extern errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs, | |
628 | const char *descr, | |
629 | int default_type, | |
630 | const char *profile_name, | |
631 | ext2fs_inode_bitmap *ret); | |
632 | extern errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs, | |
633 | const char *descr, | |
634 | int default_type, | |
635 | const char *profile_name, | |
636 | ext2fs_block_bitmap *ret); | |
637 | extern errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs, | |
638 | const char *descr, | |
639 | int default_type, | |
640 | const char *profile_name, | |
641 | ext2fs_block_bitmap *ret); | |
642 | unsigned long long get_memory_size(void); | |
643 | ||
644 | /* unix.c */ | |
645 | extern void e2fsck_clear_progbar(e2fsck_t ctx); | |
646 | extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label, | |
647 | float percent, unsigned int dpynum); | |
648 | #endif /* _E2FSCK_H */ |