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Commit | Line | Data |
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3839e657 TT |
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 | #include <stdio.h> | |
10 | #include <string.h> | |
4c77fe50 | 11 | #ifdef HAVE_UNISTD_H |
3839e657 | 12 | #include <unistd.h> |
4c77fe50 | 13 | #endif |
3839e657 | 14 | #include <stdlib.h> |
54be2ccc | 15 | #include <time.h> |
b2da22d1 | 16 | #ifdef HAVE_SYS_TYPES_H |
3839e657 | 17 | #include <sys/types.h> |
b2da22d1 TT |
18 | #endif |
19 | #ifdef HAVE_SYS_TIME_H | |
3839e657 | 20 | #include <sys/time.h> |
b2da22d1 | 21 | #endif |
08b21301 TT |
22 | #ifdef HAVE_SETJMP_H |
23 | #include <setjmp.h> | |
24 | #endif | |
3839e657 | 25 | |
54dc7ca2 TT |
26 | #if EXT2_FLAT_INCLUDES |
27 | #include "ext2_fs.h" | |
28 | #include "ext2fs.h" | |
29 | #else | |
54c637d4 | 30 | #include "ext2fs/ext2_fs.h" |
3839e657 | 31 | #include "ext2fs/ext2fs.h" |
54dc7ca2 TT |
32 | #endif |
33 | ||
0c4a0726 TT |
34 | #ifdef ENABLE_NLS |
35 | #include <libintl.h> | |
36 | #include <locale.h> | |
37 | #define _(a) (gettext (a)) | |
38 | #ifdef gettext_noop | |
39 | #define N_(a) gettext_noop (a) | |
40 | #else | |
41 | #define N_(a) (a) | |
42 | #endif | |
43 | /* FIXME */ | |
44 | #define NLS_CAT_NAME "e2fsprogs" | |
45 | #define LOCALEDIR "/usr/share/locale" | |
46 | /* FIXME */ | |
47 | #else | |
48 | #define _(a) (a) | |
49 | #define N_(a) a | |
50 | #endif | |
51 | ||
3839e657 TT |
52 | /* |
53 | * Exit codes used by fsck-type programs | |
54 | */ | |
55 | #define FSCK_OK 0 /* No errors */ | |
56 | #define FSCK_NONDESTRUCT 1 /* File system errors corrected */ | |
57 | #define FSCK_REBOOT 2 /* System should be rebooted */ | |
58 | #define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */ | |
59 | #define FSCK_ERROR 8 /* Operational error */ | |
60 | #define FSCK_USAGE 16 /* Usage or syntax error */ | |
61 | #define FSCK_LIBRARY 128 /* Shared library error */ | |
62 | ||
f3db3566 TT |
63 | /* |
64 | * The last ext2fs revision level that this version of e2fsck is able to | |
65 | * support | |
66 | */ | |
1e3472c5 | 67 | #define E2FSCK_CURRENT_REV 1 |
f3db3566 | 68 | |
3839e657 TT |
69 | /* |
70 | * The directory information structure; stores directory information | |
71 | * collected in earlier passes, to avoid disk i/o in fetching the | |
21c84b71 | 72 | * directory information. |
3839e657 TT |
73 | */ |
74 | struct dir_info { | |
86c627ec TT |
75 | ext2_ino_t ino; /* Inode number */ |
76 | ext2_ino_t dotdot; /* Parent according to '..' */ | |
77 | ext2_ino_t parent; /* Parent according to treewalk */ | |
3839e657 TT |
78 | }; |
79 | ||
8bf191e8 | 80 | #ifdef RESOURCE_TRACK |
3839e657 TT |
81 | /* |
82 | * This structure is used for keeping track of how much resources have | |
83 | * been used for a particular pass of e2fsck. | |
84 | */ | |
85 | struct resource_track { | |
86 | struct timeval time_start; | |
87 | struct timeval user_start; | |
88 | struct timeval system_start; | |
89 | void *brk_start; | |
90 | }; | |
8bf191e8 | 91 | #endif |
3839e657 TT |
92 | |
93 | /* | |
1b6bf175 | 94 | * E2fsck options |
3839e657 | 95 | */ |
1b6bf175 TT |
96 | #define E2F_OPT_READONLY 0x0001 |
97 | #define E2F_OPT_PREEN 0x0002 | |
98 | #define E2F_OPT_YES 0x0004 | |
99 | #define E2F_OPT_NO 0x0008 | |
100 | #define E2F_OPT_TIME 0x0010 | |
101 | #define E2F_OPT_TIME2 0x0020 | |
102 | #define E2F_OPT_CHECKBLOCKS 0x0040 | |
103 | #define E2F_OPT_DEBUG 0x0080 | |
3839e657 | 104 | |
08b21301 TT |
105 | /* |
106 | * E2fsck flags | |
107 | */ | |
108 | #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */ | |
109 | #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */ | |
2df1f6aa | 110 | #define E2F_FLAG_SIGNAL_MASK 0x0003 |
08b21301 | 111 | #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */ |
08b21301 TT |
112 | |
113 | #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */ | |
114 | ||
5596defa TT |
115 | #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */ |
116 | #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */ | |
424cd2be | 117 | #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */ |
ae6cdcf7 TT |
118 | #define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly |
119 | * specified by the user */ | |
5596defa | 120 | |
08b21301 TT |
121 | /* |
122 | * Defines for indicating the e2fsck pass number | |
123 | */ | |
124 | #define E2F_PASS_1 1 | |
125 | #define E2F_PASS_2 2 | |
126 | #define E2F_PASS_3 3 | |
127 | #define E2F_PASS_4 4 | |
128 | #define E2F_PASS_5 5 | |
129 | #define E2F_PASS_1B 6 | |
130 | ||
342d847d TT |
131 | /* |
132 | * Define the extended attribute refcount structure | |
133 | */ | |
134 | typedef struct ea_refcount *ext2_refcount_t; | |
135 | ||
1b6bf175 TT |
136 | /* |
137 | * This is the global e2fsck structure. | |
138 | */ | |
08b21301 TT |
139 | typedef struct e2fsck_struct *e2fsck_t; |
140 | ||
1b6bf175 TT |
141 | struct e2fsck_struct { |
142 | ext2_filsys fs; | |
143 | const char *program_name; | |
144 | const char *filesystem_name; | |
145 | const char *device_name; | |
08b21301 | 146 | int flags; /* E2fsck internal flags */ |
1b6bf175 TT |
147 | int options; |
148 | blk_t use_superblock; /* sb requested by user */ | |
149 | blk_t superblock; /* sb used to open fs */ | |
f8188fff | 150 | blk_t num_blocks; /* Total number of blocks */ |
1b6bf175 | 151 | |
08b21301 TT |
152 | #ifdef HAVE_SETJMP_H |
153 | jmp_buf abort_loc; | |
154 | #endif | |
f8188fff | 155 | unsigned long abort_code; |
08b21301 | 156 | |
a02ce9df TT |
157 | int (*progress)(e2fsck_t ctx, int pass, unsigned long cur, |
158 | unsigned long max); | |
08b21301 | 159 | |
1b6bf175 TT |
160 | ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */ |
161 | ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */ | |
162 | ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */ | |
163 | ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */ | |
aa4115a4 TT |
164 | ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */ |
165 | ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/ | |
1b6bf175 TT |
166 | |
167 | ext2fs_block_bitmap block_found_map; /* Blocks which are in use */ | |
168 | ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */ | |
342d847d | 169 | ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */ |
1b6bf175 TT |
170 | |
171 | /* | |
172 | * Inode count arrays | |
173 | */ | |
174 | ext2_icount_t inode_count; | |
175 | ext2_icount_t inode_link_info; | |
176 | ||
342d847d TT |
177 | ext2_refcount_t refcount; |
178 | ext2_refcount_t refcount_extra; | |
179 | ||
1b6bf175 TT |
180 | /* |
181 | * Array of flags indicating whether an inode bitmap, block | |
182 | * bitmap, or inode table is invalid | |
183 | */ | |
184 | int *invalid_inode_bitmap_flag; | |
185 | int *invalid_block_bitmap_flag; | |
186 | int *invalid_inode_table_flag; | |
187 | int invalid_bitmaps; /* There are invalid bitmaps/itable */ | |
188 | ||
08b21301 TT |
189 | /* |
190 | * Block buffer | |
191 | */ | |
192 | char *block_buf; | |
193 | ||
1b6bf175 TT |
194 | /* |
195 | * For pass1_check_directory and pass1_get_blocks | |
196 | */ | |
86c627ec | 197 | ext2_ino_t stashed_ino; |
1b6bf175 TT |
198 | struct ext2_inode *stashed_inode; |
199 | ||
08b21301 TT |
200 | /* |
201 | * Directory information | |
202 | */ | |
203 | int dir_info_count; | |
204 | int dir_info_size; | |
205 | struct dir_info *dir_info; | |
206 | ||
1b6bf175 TT |
207 | /* |
208 | * Tuning parameters | |
209 | */ | |
210 | int process_inode_size; | |
211 | int inode_buffer_blocks; | |
212 | ||
adee8d75 TT |
213 | /* |
214 | * ext3 journal support | |
215 | */ | |
216 | io_channel journal_io; | |
217 | const char *journal_name; | |
218 | ||
8bf191e8 | 219 | #ifdef RESOURCE_TRACK |
1b6bf175 TT |
220 | /* |
221 | * For timing purposes | |
222 | */ | |
223 | struct resource_track global_rtrack; | |
8bf191e8 | 224 | #endif |
1b6bf175 | 225 | |
efac9a1b TT |
226 | /* |
227 | * How we display the progress update (for unix) | |
228 | */ | |
229 | int progress_fd; | |
230 | int progress_pos; | |
5596defa | 231 | int progress_last_percent; |
06012323 | 232 | unsigned int progress_last_time; |
efac9a1b | 233 | |
1b6bf175 TT |
234 | /* File counts */ |
235 | int fs_directory_count; | |
236 | int fs_regular_count; | |
237 | int fs_blockdev_count; | |
238 | int fs_chardev_count; | |
239 | int fs_links_count; | |
240 | int fs_symlinks_count; | |
241 | int fs_fast_symlinks_count; | |
242 | int fs_fifo_count; | |
243 | int fs_total_count; | |
244 | int fs_badblocks_count; | |
245 | int fs_sockets_count; | |
246 | int fs_ind_count; | |
247 | int fs_dind_count; | |
248 | int fs_tind_count; | |
249 | int fs_fragmented; | |
246501c6 | 250 | int large_files; |
342d847d TT |
251 | int fs_ext_attr_inodes; |
252 | int fs_ext_attr_blocks; | |
4313932c TT |
253 | |
254 | /* | |
255 | * For the use of callers of the e2fsck functions; not used by | |
256 | * e2fsck functions themselves. | |
257 | */ | |
258 | void *priv_data; | |
1b6bf175 | 259 | }; |
f3db3566 | 260 | |
55fd07ed TT |
261 | /* Used by the region allocation code */ |
262 | typedef __u32 region_addr_t; | |
263 | typedef struct region_struct *region_t; | |
1e3472c5 | 264 | |
3839e657 TT |
265 | /* |
266 | * Procedure declarations | |
267 | */ | |
268 | ||
08b21301 TT |
269 | extern void e2fsck_pass1(e2fsck_t ctx); |
270 | extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf); | |
271 | extern void e2fsck_pass2(e2fsck_t ctx); | |
272 | extern void e2fsck_pass3(e2fsck_t ctx); | |
273 | extern void e2fsck_pass4(e2fsck_t ctx); | |
274 | extern void e2fsck_pass5(e2fsck_t ctx); | |
1b6bf175 TT |
275 | |
276 | /* e2fsck.c */ | |
08b21301 TT |
277 | extern errcode_t e2fsck_allocate_context(e2fsck_t *ret); |
278 | extern errcode_t e2fsck_reset_context(e2fsck_t ctx); | |
279 | extern void e2fsck_free_context(e2fsck_t ctx); | |
280 | extern int e2fsck_run(e2fsck_t ctx); | |
281 | ||
3839e657 TT |
282 | |
283 | /* badblock.c */ | |
1b6bf175 | 284 | extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file, |
3839e657 | 285 | int replace_bad_blocks); |
1b6bf175 | 286 | extern void test_disk(e2fsck_t ctx); |
3839e657 TT |
287 | |
288 | /* dirinfo.c */ | |
86c627ec TT |
289 | extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent); |
290 | extern struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ext2_ino_t ino); | |
08b21301 TT |
291 | extern void e2fsck_free_dir_info(e2fsck_t ctx); |
292 | extern int e2fsck_get_num_dirs(e2fsck_t ctx); | |
f8188fff | 293 | extern int e2fsck_get_num_dirinfo(e2fsck_t ctx); |
08b21301 | 294 | extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, int *control); |
3839e657 | 295 | |
342d847d TT |
296 | /* ea_refcount.c */ |
297 | extern errcode_t ea_refcount_create(int size, ext2_refcount_t *ret); | |
298 | extern void ea_refcount_free(ext2_refcount_t refcount); | |
299 | extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, blk_t blk, | |
300 | int *ret); | |
301 | extern errcode_t ea_refcount_increment(ext2_refcount_t refcount, | |
302 | blk_t blk, int *ret); | |
303 | extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount, | |
304 | blk_t blk, int *ret); | |
305 | extern errcode_t ea_refcount_store(ext2_refcount_t refcount, | |
306 | blk_t blk, int count); | |
4ea7bd04 | 307 | extern blk_t ext2fs_get_refcount_size(ext2_refcount_t refcount); |
342d847d TT |
308 | extern void ea_refcount_intr_begin(ext2_refcount_t refcount); |
309 | extern blk_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret); | |
310 | ||
3839e657 TT |
311 | /* ehandler.c */ |
312 | extern const char *ehandler_operation(const char *op); | |
313 | extern void ehandler_init(io_channel channel); | |
314 | ||
17390c04 | 315 | /* journal.c */ |
3b5386dc TT |
316 | extern int e2fsck_check_ext3_journal(e2fsck_t ctx); |
317 | extern int e2fsck_run_ext3_journal(e2fsck_t ctx); | |
773fd8a1 | 318 | extern void e2fsck_move_ext3_journal(e2fsck_t ctx); |
17390c04 | 319 | |
e72a9ba3 TT |
320 | /* pass1.c */ |
321 | extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool); | |
322 | extern int e2fsck_pass1_check_device_inode(struct ext2_inode *inode); | |
67052a8a | 323 | extern int e2fsck_pass1_check_symlink(ext2_filsys fs, struct ext2_inode *inode); |
e72a9ba3 TT |
324 | |
325 | /* pass2.c */ | |
86c627ec | 326 | extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir, ext2_ino_t ino); |
e72a9ba3 TT |
327 | |
328 | /* pass3.c */ | |
86c627ec | 329 | extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode); |
e72a9ba3 | 330 | |
55fd07ed TT |
331 | /* region.c */ |
332 | extern region_t region_create(region_addr_t min, region_addr_t max); | |
333 | extern void region_free(region_t region); | |
334 | extern int region_allocate(region_t region, region_addr_t start, int n); | |
335 | ||
1b6bf175 TT |
336 | /* super.c */ |
337 | void check_super_block(e2fsck_t ctx); | |
17dba281 | 338 | errcode_t e2fsck_get_device_size(e2fsck_t ctx); |
1b6bf175 | 339 | |
1e3472c5 | 340 | /* swapfs.c */ |
1b6bf175 | 341 | void swap_filesys(e2fsck_t ctx); |
1e3472c5 | 342 | |
3839e657 | 343 | /* util.c */ |
f8188fff TT |
344 | extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size, |
345 | const char *description); | |
1b6bf175 | 346 | extern int ask(e2fsck_t ctx, const char * string, int def); |
3839e657 | 347 | extern int ask_yn(const char * string, int def); |
f8188fff TT |
348 | extern void fatal_error(e2fsck_t ctx, const char * fmt_string); |
349 | extern void e2fsck_read_bitmaps(e2fsck_t ctx); | |
350 | extern void e2fsck_write_bitmaps(e2fsck_t ctx); | |
1b6bf175 | 351 | extern void preenhalt(e2fsck_t ctx); |
8bf191e8 | 352 | #ifdef RESOURCE_TRACK |
1b6bf175 TT |
353 | extern void print_resource_track(const char *desc, |
354 | struct resource_track *track); | |
3839e657 | 355 | extern void init_resource_track(struct resource_track *track); |
8bf191e8 | 356 | #endif |
3839e657 | 357 | extern int inode_has_valid_blocks(struct ext2_inode *inode); |
08b21301 | 358 | extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino, |
f3db3566 | 359 | struct ext2_inode * inode, const char * proc); |
08b21301 | 360 | extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino, |
f3db3566 | 361 | struct ext2_inode * inode, const char * proc); |
3839e657 TT |
362 | #ifdef MTRACE |
363 | extern void mtrace_print(char *mesg); | |
364 | #endif | |
1b6bf175 | 365 | extern blk_t get_backup_sb(ext2_filsys fs); |
6fdc7a32 | 366 | extern int ext2_file_type(unsigned int mode); |
3839e657 | 367 | |
5596defa TT |
368 | /* unix.c */ |
369 | extern void e2fsck_clear_progbar(e2fsck_t ctx); |