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Commit | Line | Data |
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1b6bf175 TT |
1 | /* |
2 | * unix.c - The unix-specific code for e2fsck | |
efc6f628 | 3 | * |
1b6bf175 TT |
4 | * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. |
5 | * | |
6 | * %Begin-Header% | |
7 | * This file may be redistributed under the terms of the GNU Public | |
8 | * License. | |
9 | * %End-Header% | |
10 | */ | |
11 | ||
ebabf2ad TT |
12 | #define _XOPEN_SOURCE 600 /* for inclusion of sa_handler in Solaris */ |
13 | ||
d1154eb4 | 14 | #include "config.h" |
1b6bf175 TT |
15 | #include <stdio.h> |
16 | #ifdef HAVE_STDLIB_H | |
17 | #include <stdlib.h> | |
18 | #endif | |
19 | #include <string.h> | |
20 | #include <fcntl.h> | |
21 | #include <ctype.h> | |
1b6bf175 | 22 | #include <time.h> |
9ecd8bec | 23 | #ifdef HAVE_SIGNAL_H |
5596defa | 24 | #include <signal.h> |
9ecd8bec | 25 | #endif |
1b6bf175 TT |
26 | #ifdef HAVE_GETOPT_H |
27 | #include <getopt.h> | |
373b8337 TT |
28 | #else |
29 | extern char *optarg; | |
30 | extern int optind; | |
1b6bf175 TT |
31 | #endif |
32 | #include <unistd.h> | |
33 | #ifdef HAVE_ERRNO_H | |
34 | #include <errno.h> | |
35 | #endif | |
fff45483 | 36 | #ifdef HAVE_SYS_IOCTL_H |
1b6bf175 | 37 | #include <sys/ioctl.h> |
fff45483 | 38 | #endif |
e71d8731 | 39 | #ifdef HAVE_MALLOC_H |
1b6bf175 | 40 | #include <malloc.h> |
e71d8731 | 41 | #endif |
c07f9f26 TT |
42 | #ifdef HAVE_SYS_TYPES_H |
43 | #include <sys/types.h> | |
44 | #endif | |
45 | #ifdef HAVE_DIRENT_H | |
46 | #include <dirent.h> | |
47 | #endif | |
1b6bf175 | 48 | |
864b8d4e | 49 | #include "e2p/e2p.h" |
1b6bf175 | 50 | #include "et/com_err.h" |
01c196b4 | 51 | #include "e2p/e2p.h" |
1b6bf175 TT |
52 | #include "e2fsck.h" |
53 | #include "problem.h" | |
54 | #include "../version.h" | |
55 | ||
1b6bf175 | 56 | /* Command line options */ |
54a31a3b TT |
57 | static int cflag; /* check disk */ |
58 | static int show_version_only; | |
59 | static int verbose; | |
1b6bf175 | 60 | |
54a31a3b | 61 | static int replace_bad_blocks; |
4fb9d52b | 62 | static int keep_bad_blocks; |
54a31a3b | 63 | static char *bad_blocks_file; |
1b6bf175 | 64 | |
243dc31f TT |
65 | e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ |
66 | ||
5e72cdbe TT |
67 | #ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jfs-debug */ |
68 | int journal_enable_debug = -1; | |
69 | #endif | |
70 | ||
1b6bf175 TT |
71 | static void usage(e2fsck_t ctx) |
72 | { | |
73 | fprintf(stderr, | |
1a855cb2 | 74 | _("Usage: %s [-panyrcdfvtDFV] [-b superblock] [-B blocksize]\n" |
1b6bf175 | 75 | "\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n" |
bb145b01 | 76 | "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n" |
0684a4f3 | 77 | "\t\t[-E extended-options] device\n"), |
5596defa | 78 | ctx->program_name); |
b55199ea | 79 | |
0c4a0726 | 80 | fprintf(stderr, _("\nEmergency help:\n" |
b55199ea TT |
81 | " -p Automatic repair (no questions)\n" |
82 | " -n Make no changes to the filesystem\n" | |
83 | " -y Assume \"yes\" to all questions\n" | |
19445ef9 | 84 | " -c Check for bad blocks and add them to the badblock list\n" |
53ef44c4 TT |
85 | " -f Force checking even if filesystem is marked clean\n")); |
86 | fprintf(stderr, _("" | |
b55199ea TT |
87 | " -v Be verbose\n" |
88 | " -b superblock Use alternative superblock\n" | |
89 | " -B blocksize Force blocksize when looking for superblock\n" | |
bb145b01 | 90 | " -j external_journal Set location of the external journal\n" |
b55199ea TT |
91 | " -l bad_blocks_file Add to badblocks list\n" |
92 | " -L bad_blocks_file Set badblocks list\n" | |
0c4a0726 | 93 | )); |
b55199ea | 94 | |
1b6bf175 TT |
95 | exit(FSCK_USAGE); |
96 | } | |
97 | ||
98 | static void show_stats(e2fsck_t ctx) | |
99 | { | |
100 | ext2_filsys fs = ctx->fs; | |
f3358643 | 101 | ext2_ino_t inodes, inodes_used; |
6dc64392 VAH |
102 | blk64_t blocks, blocks_used; |
103 | unsigned int dir_links; | |
104 | unsigned int num_files, num_links; | |
c0a84966 | 105 | __u32 *mask, m; |
ce44d8ca | 106 | int frag_percent_file, frag_percent_dir, frag_percent_total; |
c0a84966 | 107 | int i, j, printed = 0; |
1b6bf175 TT |
108 | |
109 | dir_links = 2 * ctx->fs_directory_count - 1; | |
110 | num_files = ctx->fs_total_count - dir_links; | |
111 | num_links = ctx->fs_links_count - dir_links; | |
112 | inodes = fs->super->s_inodes_count; | |
113 | inodes_used = (fs->super->s_inodes_count - | |
114 | fs->super->s_free_inodes_count); | |
4efbac6f VAH |
115 | blocks = ext2fs_blocks_count(fs->super); |
116 | blocks_used = (ext2fs_blocks_count(fs->super) - | |
117 | ext2fs_free_blocks_count(fs->super)); | |
1b6bf175 | 118 | |
ce44d8ca TT |
119 | frag_percent_file = (10000 * ctx->fs_fragmented) / inodes_used; |
120 | frag_percent_file = (frag_percent_file + 5) / 10; | |
121 | ||
122 | frag_percent_dir = (10000 * ctx->fs_fragmented_dir) / inodes_used; | |
123 | frag_percent_dir = (frag_percent_dir + 5) / 10; | |
124 | ||
125 | frag_percent_total = ((10000 * (ctx->fs_fragmented + | |
126 | ctx->fs_fragmented_dir)) | |
127 | / inodes_used); | |
128 | frag_percent_total = (frag_percent_total + 5) / 10; | |
efc6f628 | 129 | |
1b6bf175 | 130 | if (!verbose) { |
b0e91c89 TT |
131 | log_out(ctx, _("%s: %u/%u files (%0d.%d%% non-contiguous), " |
132 | "%llu/%llu blocks\n"), | |
133 | ctx->device_name, inodes_used, inodes, | |
134 | frag_percent_total / 10, frag_percent_total % 10, | |
135 | blocks_used, blocks); | |
1b6bf175 TT |
136 | return; |
137 | } | |
c0a84966 TT |
138 | profile_get_boolean(ctx->profile, "options", "report_features", 0, 0, |
139 | &i); | |
140 | if (verbose && i) { | |
141 | log_out(ctx, "\nFilesystem features:"); | |
142 | mask = &ctx->fs->super->s_feature_compat; | |
143 | for (i = 0; i < 3; i++, mask++) { | |
144 | for (j = 0, m = 1; j < 32; j++, m <<= 1) { | |
145 | if (*mask & m) { | |
146 | log_out(ctx, " %s", | |
147 | e2p_feature2string(i, m)); | |
148 | printed++; | |
149 | } | |
150 | } | |
151 | } | |
152 | if (printed == 0) | |
153 | log_out(ctx, " (none)"); | |
154 | log_out(ctx, "\n"); | |
155 | } | |
156 | ||
87e56a99 TT |
157 | log_out(ctx, P_("\n%12u inode used (%2.2f%%, out of %u)\n", |
158 | "\n%12u inodes used (%2.2f%%, out of %u)\n", | |
b0e91c89 | 159 | inodes_used), inodes_used, |
87e56a99 | 160 | 100.0 * inodes_used / inodes, inodes); |
da0fa8f4 TT |
161 | log_out(ctx, P_("%12u non-contiguous file (%0d.%d%%)\n", |
162 | "%12u non-contiguous files (%0d.%d%%)\n", | |
b0e91c89 | 163 | ctx->fs_fragmented), |
ce44d8ca TT |
164 | ctx->fs_fragmented, frag_percent_file / 10, |
165 | frag_percent_file % 10); | |
da0fa8f4 TT |
166 | log_out(ctx, P_("%12u non-contiguous directory (%0d.%d%%)\n", |
167 | "%12u non-contiguous directories (%0d.%d%%)\n", | |
b0e91c89 | 168 | ctx->fs_fragmented_dir), |
ce44d8ca TT |
169 | ctx->fs_fragmented_dir, frag_percent_dir / 10, |
170 | frag_percent_dir % 10); | |
da0fa8f4 | 171 | log_out(ctx, _(" # of inodes with ind/dind/tind blocks: " |
b0e91c89 | 172 | "%u/%u/%u\n"), |
0c4a0726 | 173 | ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count); |
8da6d1a1 TT |
174 | |
175 | for (j=MAX_EXTENT_DEPTH_COUNT-1; j >=0; j--) | |
176 | if (ctx->extent_depth_count[j]) | |
177 | break; | |
178 | if (++j) { | |
da0fa8f4 | 179 | log_out(ctx, _(" Extent depth histogram: ")); |
8da6d1a1 TT |
180 | for (i=0; i < j; i++) { |
181 | if (i) | |
182 | fputc('/', stdout); | |
b0e91c89 | 183 | log_out(ctx, "%u", ctx->extent_depth_count[i]); |
8da6d1a1 | 184 | } |
b0e91c89 | 185 | log_out(ctx, "\n"); |
8da6d1a1 TT |
186 | } |
187 | ||
87e56a99 TT |
188 | log_out(ctx, P_("%12llu block used (%2.2f%%, out of %llu)\n", |
189 | "%12llu blocks used (%2.2f%%, out of %llu)\n", | |
190 | blocks_used), | |
191 | blocks_used, 100.0 * blocks_used / blocks, blocks); | |
da0fa8f4 | 192 | log_out(ctx, P_("%12u bad block\n", "%12u bad blocks\n", |
b0e91c89 | 193 | ctx->fs_badblocks_count), ctx->fs_badblocks_count); |
da0fa8f4 | 194 | log_out(ctx, P_("%12u large file\n", "%12u large files\n", |
b0e91c89 | 195 | ctx->large_files), ctx->large_files); |
da0fa8f4 | 196 | log_out(ctx, P_("\n%12u regular file\n", "\n%12u regular files\n", |
b0e91c89 | 197 | ctx->fs_regular_count), ctx->fs_regular_count); |
da0fa8f4 | 198 | log_out(ctx, P_("%12u directory\n", "%12u directories\n", |
b0e91c89 | 199 | ctx->fs_directory_count), ctx->fs_directory_count); |
da0fa8f4 TT |
200 | log_out(ctx, P_("%12u character device file\n", |
201 | "%12u character device files\n", ctx->fs_chardev_count), | |
113e405b | 202 | ctx->fs_chardev_count); |
da0fa8f4 | 203 | log_out(ctx, P_("%12u block device file\n", "%12u block device files\n", |
b0e91c89 | 204 | ctx->fs_blockdev_count), ctx->fs_blockdev_count); |
da0fa8f4 | 205 | log_out(ctx, P_("%12u fifo\n", "%12u fifos\n", ctx->fs_fifo_count), |
113e405b | 206 | ctx->fs_fifo_count); |
e3507739 | 207 | log_out(ctx, P_("%12u link\n", "%12u links\n", num_links), |
113e405b | 208 | ctx->fs_links_count - dir_links); |
da0fa8f4 | 209 | log_out(ctx, P_("%12u symbolic link", "%12u symbolic links", |
b0e91c89 TT |
210 | ctx->fs_symlinks_count), ctx->fs_symlinks_count); |
211 | log_out(ctx, P_(" (%u fast symbolic link)\n", | |
212 | " (%u fast symbolic links)\n", | |
213 | ctx->fs_fast_symlinks_count), | |
214 | ctx->fs_fast_symlinks_count); | |
da0fa8f4 TT |
215 | log_out(ctx, P_("%12u socket\n", "%12u sockets\n", |
216 | ctx->fs_sockets_count), | |
113e405b | 217 | ctx->fs_sockets_count); |
da0fa8f4 | 218 | log_out(ctx, "------------\n"); |
e3507739 TT |
219 | log_out(ctx, P_("%12u file\n", "%12u files\n", num_files), |
220 | num_files); | |
1b6bf175 TT |
221 | } |
222 | ||
223 | static void check_mount(e2fsck_t ctx) | |
224 | { | |
225 | errcode_t retval; | |
ee895139 | 226 | int cont; |
1b6bf175 | 227 | |
ee895139 TT |
228 | retval = ext2fs_check_if_mounted(ctx->filesystem_name, |
229 | &ctx->mount_flags); | |
1b6bf175 TT |
230 | if (retval) { |
231 | com_err("ext2fs_check_if_mount", retval, | |
0c4a0726 | 232 | _("while determining whether %s is mounted."), |
1b6bf175 TT |
233 | ctx->filesystem_name); |
234 | return; | |
235 | } | |
1b6bf175 | 236 | |
1b6bf175 | 237 | /* |
ae1182cb TT |
238 | * If the filesystem isn't mounted, or it's the root |
239 | * filesystem and it's mounted read-only, and we're not doing | |
240 | * a read/write check, then everything's fine. | |
1b6bf175 | 241 | */ |
732e26b9 | 242 | if ((!(ctx->mount_flags & (EXT2_MF_MOUNTED | EXT2_MF_BUSY))) || |
ee895139 | 243 | ((ctx->mount_flags & EXT2_MF_ISROOT) && |
ae1182cb TT |
244 | (ctx->mount_flags & EXT2_MF_READONLY) && |
245 | !(ctx->options & E2F_OPT_WRITECHECK))) | |
83e6ac84 TT |
246 | return; |
247 | ||
78a0d2ba TT |
248 | if (((ctx->options & E2F_OPT_READONLY) || |
249 | ((ctx->options & E2F_OPT_FORCE) && | |
250 | (ctx->mount_flags & EXT2_MF_READONLY))) && | |
ae1182cb | 251 | !(ctx->options & E2F_OPT_WRITECHECK)) { |
732e26b9 AD |
252 | log_out(ctx, _("Warning! %s is %s.\n"), |
253 | ctx->filesystem_name, | |
254 | ctx->mount_flags & EXT2_MF_MOUNTED ? | |
255 | "mounted" : "in use"); | |
1b6bf175 TT |
256 | return; |
257 | } | |
258 | ||
732e26b9 AD |
259 | log_out(ctx, _("%s is %s.\n"), ctx->filesystem_name, |
260 | ctx->mount_flags & EXT2_MF_MOUNTED ? "mounted" : "in use"); | |
261 | if (!ctx->interactive || ctx->mount_flags & EXT2_MF_BUSY) | |
243dc31f | 262 | fatal_error(ctx, _("Cannot continue, aborting.\n\n")); |
3fcd8fe8 | 263 | puts("\007\007\007\007"); |
b0e91c89 TT |
264 | log_out(ctx, _("\n\nWARNING!!! " |
265 | "The filesystem is mounted. " | |
266 | "If you continue you ***WILL***\n" | |
267 | "cause ***SEVERE*** filesystem damage.\n\n")); | |
3fcd8fe8 | 268 | puts("\007\007\007"); |
b0e91c89 | 269 | cont = ask_yn(ctx, _("Do you really want to continue"), 0); |
1b6bf175 | 270 | if (!cont) { |
0c4a0726 | 271 | printf (_("check aborted.\n")); |
1b6bf175 TT |
272 | exit (0); |
273 | } | |
274 | return; | |
275 | } | |
276 | ||
54434927 | 277 | static int is_on_batt(void) |
015b03df TT |
278 | { |
279 | FILE *f; | |
c07f9f26 TT |
280 | DIR *d; |
281 | char tmp[80], tmp2[80], fname[80]; | |
015b03df | 282 | unsigned int acflag; |
c07f9f26 | 283 | struct dirent* de; |
015b03df | 284 | |
ad880a0e TT |
285 | f = fopen("/sys/class/power_supply/AC/online", "r"); |
286 | if (f) { | |
e64e6761 | 287 | if (fscanf(f, "%u\n", &acflag) == 1) { |
ad880a0e TT |
288 | fclose(f); |
289 | return (!acflag); | |
290 | } | |
291 | fclose(f); | |
292 | } | |
015b03df TT |
293 | f = fopen("/proc/apm", "r"); |
294 | if (f) { | |
efc6f628 | 295 | if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4) |
015b03df TT |
296 | acflag = 1; |
297 | fclose(f); | |
298 | return (acflag != 1); | |
299 | } | |
c07f9f26 | 300 | d = opendir("/proc/acpi/ac_adapter"); |
ecd0d8fe | 301 | if (d) { |
9214dccb | 302 | while ((de=readdir(d)) != NULL) { |
ecd0d8fe TT |
303 | if (!strncmp(".", de->d_name, 1)) |
304 | continue; | |
efc6f628 | 305 | snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state", |
ecd0d8fe TT |
306 | de->d_name); |
307 | f = fopen(fname, "r"); | |
308 | if (!f) | |
309 | continue; | |
310 | if (fscanf(f, "%s %s", tmp2, tmp) != 2) | |
311 | tmp[0] = 0; | |
312 | fclose(f); | |
313 | if (strncmp(tmp, "off-line", 8) == 0) { | |
314 | closedir(d); | |
315 | return 1; | |
316 | } | |
c07f9f26 | 317 | } |
4b13704c | 318 | closedir(d); |
ecd0d8fe | 319 | } |
015b03df TT |
320 | return 0; |
321 | } | |
322 | ||
1b6bf175 TT |
323 | /* |
324 | * This routine checks to see if a filesystem can be skipped; if so, | |
325 | * it will exit with E2FSCK_OK. Under some conditions it will print a | |
326 | * message explaining why a check is being forced. | |
327 | */ | |
328 | static void check_if_skip(e2fsck_t ctx) | |
329 | { | |
330 | ext2_filsys fs = ctx->fs; | |
a3efe484 | 331 | struct problem_context pctx; |
1b6bf175 | 332 | const char *reason = NULL; |
b6a0807b | 333 | unsigned int reason_arg = 0; |
6de289cb | 334 | long next_check; |
015b03df | 335 | int batt = is_on_batt(); |
a5f37a9b | 336 | int defer_check_on_battery; |
177839e2 | 337 | int broken_system_clock; |
60702c26 | 338 | time_t lastcheck; |
a5f37a9b | 339 | |
177839e2 TT |
340 | profile_get_boolean(ctx->profile, "options", "broken_system_clock", |
341 | 0, 0, &broken_system_clock); | |
342 | if (ctx->flags & E2F_FLAG_TIME_INSANE) | |
343 | broken_system_clock = 1; | |
a5f37a9b | 344 | profile_get_boolean(ctx->profile, "options", |
efc6f628 | 345 | "defer_check_on_battery", 0, 1, |
a5f37a9b TT |
346 | &defer_check_on_battery); |
347 | if (!defer_check_on_battery) | |
348 | batt = 0; | |
349 | ||
1a855cb2 | 350 | if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || cflag) |
1b6bf175 | 351 | return; |
efc6f628 | 352 | |
71873b17 BS |
353 | if (ctx->options & E2F_OPT_JOURNAL_ONLY) |
354 | goto skip; | |
355 | ||
60702c26 TT |
356 | lastcheck = fs->super->s_lastcheck; |
357 | if (lastcheck > ctx->now) | |
358 | lastcheck -= ctx->time_fudge; | |
550a4afa TT |
359 | if ((fs->super->s_state & EXT2_ERROR_FS) || |
360 | !ext2fs_test_valid(fs)) | |
b6a0807b | 361 | reason = _(" contains a file system with errors"); |
24fc5032 | 362 | else if ((fs->super->s_state & EXT2_VALID_FS) == 0) |
b6a0807b | 363 | reason = _(" was not cleanly unmounted"); |
0c37f456 TT |
364 | else if (check_backup_super_block(ctx)) |
365 | reason = _(" primary superblock features different from backup"); | |
bc57f153 | 366 | else if ((fs->super->s_max_mnt_count > 0) && |
17390c04 | 367 | (fs->super->s_mnt_count >= |
b6a0807b TT |
368 | (unsigned) fs->super->s_max_mnt_count)) { |
369 | reason = _(" has been mounted %u times without being checked"); | |
370 | reason_arg = fs->super->s_mnt_count; | |
efc6f628 | 371 | if (batt && (fs->super->s_mnt_count < |
015b03df TT |
372 | (unsigned) fs->super->s_max_mnt_count*2)) |
373 | reason = 0; | |
177839e2 TT |
374 | } else if (!broken_system_clock && fs->super->s_checkinterval && |
375 | (ctx->now < lastcheck)) { | |
68eb092d TT |
376 | reason = _(" has filesystem last checked time in the future"); |
377 | if (batt) | |
378 | reason = 0; | |
177839e2 | 379 | } else if (!broken_system_clock && fs->super->s_checkinterval && |
efc6f628 | 380 | ((ctx->now - lastcheck) >= |
2acad6b4 | 381 | ((time_t) fs->super->s_checkinterval))) { |
b6a0807b | 382 | reason = _(" has gone %u days without being checked"); |
1f3ad14a | 383 | reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24); |
efc6f628 | 384 | if (batt && ((ctx->now - fs->super->s_lastcheck) < |
54434927 | 385 | fs->super->s_checkinterval*2)) |
015b03df | 386 | reason = 0; |
b6a0807b | 387 | } |
1b6bf175 | 388 | if (reason) { |
b0e91c89 TT |
389 | log_out(ctx, "%s", ctx->device_name); |
390 | log_out(ctx, reason, reason_arg); | |
391 | log_out(ctx, _(", check forced.\n")); | |
1b6bf175 TT |
392 | return; |
393 | } | |
a3efe484 TT |
394 | |
395 | /* | |
396 | * Update the global counts from the block group counts. This | |
397 | * is needed since modern kernels don't update the global | |
398 | * counts so as to avoid locking the entire file system. So | |
399 | * if the filesystem is not unmounted cleanly, the global | |
400 | * counts may not be accurate. Update them here if we can, | |
401 | * for the benefit of users who might examine the file system | |
402 | * using dumpe2fs. (This is for cosmetic reasons only.) | |
403 | */ | |
404 | clear_problem_context(&pctx); | |
405 | pctx.ino = fs->super->s_free_inodes_count; | |
406 | pctx.ino2 = ctx->free_inodes; | |
407 | if ((pctx.ino != pctx.ino2) && | |
408 | !(ctx->options & E2F_OPT_READONLY) && | |
409 | fix_problem(ctx, PR_0_FREE_INODE_COUNT, &pctx)) { | |
410 | fs->super->s_free_inodes_count = ctx->free_inodes; | |
411 | ext2fs_mark_super_dirty(fs); | |
412 | } | |
413 | clear_problem_context(&pctx); | |
414 | pctx.blk = ext2fs_free_blocks_count(fs->super); | |
415 | pctx.blk2 = ctx->free_blocks; | |
416 | if ((pctx.blk != pctx.blk2) && | |
417 | !(ctx->options & E2F_OPT_READONLY) && | |
418 | fix_problem(ctx, PR_0_FREE_BLOCK_COUNT, &pctx)) { | |
419 | ext2fs_free_blocks_count_set(fs->super, ctx->free_blocks); | |
420 | ext2fs_mark_super_dirty(fs); | |
421 | } | |
422 | ||
423 | /* Print the summary message when we're skipping a full check */ | |
b0e91c89 TT |
424 | log_out(ctx, _("%s: clean, %u/%u files, %llu/%llu blocks"), |
425 | ctx->device_name, | |
426 | fs->super->s_inodes_count - fs->super->s_free_inodes_count, | |
427 | fs->super->s_inodes_count, | |
428 | ext2fs_blocks_count(fs->super) - | |
429 | ext2fs_free_blocks_count(fs->super), | |
430 | ext2fs_blocks_count(fs->super)); | |
6de289cb TT |
431 | next_check = 100000; |
432 | if (fs->super->s_max_mnt_count > 0) { | |
433 | next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count; | |
efc6f628 | 434 | if (next_check <= 0) |
6de289cb TT |
435 | next_check = 1; |
436 | } | |
177839e2 | 437 | if (!broken_system_clock && fs->super->s_checkinterval && |
1f3ad14a | 438 | ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval)) |
6de289cb TT |
439 | next_check = 1; |
440 | if (next_check <= 5) { | |
bc3392c3 | 441 | if (next_check == 1) { |
efc6f628 | 442 | if (batt) |
b0e91c89 TT |
443 | log_out(ctx, _(" (check deferred; " |
444 | "on battery)")); | |
bc3392c3 | 445 | else |
b0e91c89 | 446 | log_out(ctx, _(" (check after next mount)")); |
bc3392c3 | 447 | } else |
b0e91c89 | 448 | log_out(ctx, _(" (check in %ld mounts)"), next_check); |
6de289cb | 449 | } |
b0e91c89 | 450 | log_out(ctx, "\n"); |
71873b17 | 451 | skip: |
1b6bf175 | 452 | ext2fs_close(fs); |
6d222f32 TT |
453 | ctx->fs = NULL; |
454 | e2fsck_free_context(ctx); | |
1b6bf175 TT |
455 | exit(FSCK_OK); |
456 | } | |
457 | ||
efac9a1b TT |
458 | /* |
459 | * For completion notice | |
460 | */ | |
5596defa TT |
461 | struct percent_tbl { |
462 | int max_pass; | |
463 | int table[32]; | |
464 | }; | |
465 | struct percent_tbl e2fsck_tbl = { | |
466 | 5, { 0, 70, 90, 92, 95, 100 } | |
467 | }; | |
54a31a3b | 468 | static char bar[128], spaces[128]; |
5596defa TT |
469 | |
470 | static float calc_percent(struct percent_tbl *tbl, int pass, int curr, | |
471 | int max) | |
472 | { | |
473 | float percent; | |
efc6f628 | 474 | |
5596defa TT |
475 | if (pass <= 0) |
476 | return 0.0; | |
b8d164cd | 477 | if (pass > tbl->max_pass || max == 0) |
5596defa TT |
478 | return 100.0; |
479 | percent = ((float) curr) / ((float) max); | |
480 | return ((percent * (tbl->table[pass] - tbl->table[pass-1])) | |
481 | + tbl->table[pass-1]); | |
482 | } | |
483 | ||
484 | extern void e2fsck_clear_progbar(e2fsck_t ctx) | |
485 | { | |
486 | if (!(ctx->flags & E2F_FLAG_PROG_BAR)) | |
487 | return; | |
efc6f628 | 488 | |
54a31a3b TT |
489 | printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80), |
490 | ctx->stop_meta); | |
bc34d6be | 491 | fflush(stdout); |
5596defa TT |
492 | ctx->flags &= ~E2F_FLAG_PROG_BAR; |
493 | } | |
494 | ||
520ead37 | 495 | int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent, |
b0700a1b TT |
496 | unsigned int dpynum) |
497 | { | |
498 | static const char spinner[] = "\\|/-"; | |
b0700a1b | 499 | int i; |
54434927 | 500 | unsigned int tick; |
b0700a1b TT |
501 | struct timeval tv; |
502 | int dpywidth; | |
9214dccb | 503 | int fixed_percent; |
b0700a1b TT |
504 | |
505 | if (ctx->flags & E2F_FLAG_PROG_SUPPRESS) | |
506 | return 0; | |
507 | ||
508 | /* | |
509 | * Calculate the new progress position. If the | |
510 | * percentage hasn't changed, then we skip out right | |
efc6f628 | 511 | * away. |
b0700a1b | 512 | */ |
9214dccb TT |
513 | fixed_percent = (int) ((10 * percent) + 0.5); |
514 | if (ctx->progress_last_percent == fixed_percent) | |
b0700a1b | 515 | return 0; |
9214dccb | 516 | ctx->progress_last_percent = fixed_percent; |
b0700a1b TT |
517 | |
518 | /* | |
519 | * If we've already updated the spinner once within | |
520 | * the last 1/8th of a second, no point doing it | |
521 | * again. | |
522 | */ | |
523 | gettimeofday(&tv, NULL); | |
524 | tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8)); | |
525 | if ((tick == ctx->progress_last_time) && | |
9214dccb | 526 | (fixed_percent != 0) && (fixed_percent != 1000)) |
b0700a1b TT |
527 | return 0; |
528 | ctx->progress_last_time = tick; | |
529 | ||
530 | /* | |
531 | * Advance the spinner, and note that the progress bar | |
532 | * will be on the screen | |
533 | */ | |
534 | ctx->progress_pos = (ctx->progress_pos+1) & 3; | |
535 | ctx->flags |= E2F_FLAG_PROG_BAR; | |
536 | ||
537 | dpywidth = 66 - strlen(label); | |
538 | dpywidth = 8 * (dpywidth / 8); | |
539 | if (dpynum) | |
540 | dpywidth -= 8; | |
541 | ||
542 | i = ((percent * dpywidth) + 50) / 100; | |
54a31a3b TT |
543 | printf("%s%s: |%s%s", ctx->start_meta, label, |
544 | bar + (sizeof(bar) - (i+1)), | |
b0700a1b | 545 | spaces + (sizeof(spaces) - (dpywidth - i + 1))); |
9214dccb | 546 | if (fixed_percent == 1000) |
b0700a1b TT |
547 | fputc('|', stdout); |
548 | else | |
549 | fputc(spinner[ctx->progress_pos & 3], stdout); | |
9214dccb | 550 | printf(" %4.1f%% ", percent); |
b0700a1b | 551 | if (dpynum) |
9214dccb | 552 | printf("%u\r", dpynum); |
b0700a1b | 553 | else |
9214dccb TT |
554 | fputs(" \r", stdout); |
555 | fputs(ctx->stop_meta, stdout); | |
efc6f628 | 556 | |
9214dccb | 557 | if (fixed_percent == 1000) |
b0700a1b TT |
558 | e2fsck_clear_progbar(ctx); |
559 | fflush(stdout); | |
560 | ||
561 | return 0; | |
562 | } | |
563 | ||
efac9a1b TT |
564 | static int e2fsck_update_progress(e2fsck_t ctx, int pass, |
565 | unsigned long cur, unsigned long max) | |
566 | { | |
1dc506cb | 567 | char buf[1024]; |
5596defa | 568 | float percent; |
f75c28de TT |
569 | |
570 | if (pass == 0) | |
571 | return 0; | |
efc6f628 | 572 | |
efac9a1b | 573 | if (ctx->progress_fd) { |
efc6f628 | 574 | snprintf(buf, sizeof(buf), "%d %lu %lu %s\n", |
1dc506cb | 575 | pass, cur, max, ctx->device_name); |
b0258cbc | 576 | write_all(ctx->progress_fd, buf, strlen(buf)); |
efac9a1b | 577 | } else { |
e4c8e885 | 578 | percent = calc_percent(&e2fsck_tbl, pass, cur, max); |
b0700a1b TT |
579 | e2fsck_simple_progress(ctx, ctx->device_name, |
580 | percent, 0); | |
efac9a1b TT |
581 | } |
582 | return 0; | |
583 | } | |
1b6bf175 TT |
584 | |
585 | #define PATH_SET "PATH=/sbin" | |
586 | ||
fe65f1ec ES |
587 | /* |
588 | * Make sure 0,1,2 file descriptors are open, so that we don't open | |
589 | * the filesystem using the same file descriptor as stdout or stderr. | |
590 | */ | |
5ba23cb1 | 591 | static void reserve_stdio_fds(void) |
24fc5032 | 592 | { |
fe65f1ec | 593 | int fd = 0; |
24fc5032 | 594 | |
fe65f1ec | 595 | while (fd <= 2) { |
24fc5032 | 596 | fd = open("/dev/null", O_RDWR); |
75d83bec | 597 | if (fd < 0) { |
0c4a0726 TT |
598 | fprintf(stderr, _("ERROR: Couldn't open " |
599 | "/dev/null (%s)\n"), | |
75d83bec TT |
600 | strerror(errno)); |
601 | break; | |
602 | } | |
24fc5032 | 603 | } |
24fc5032 TT |
604 | } |
605 | ||
9ecd8bec | 606 | #ifdef HAVE_SIGNAL_H |
54434927 | 607 | static void signal_progress_on(int sig EXT2FS_ATTR((unused))) |
5596defa | 608 | { |
243dc31f | 609 | e2fsck_t ctx = e2fsck_global_ctx; |
5596defa TT |
610 | |
611 | if (!ctx) | |
612 | return; | |
613 | ||
614 | ctx->progress = e2fsck_update_progress; | |
5596defa TT |
615 | } |
616 | ||
54434927 | 617 | static void signal_progress_off(int sig EXT2FS_ATTR((unused))) |
5596defa | 618 | { |
243dc31f | 619 | e2fsck_t ctx = e2fsck_global_ctx; |
5596defa TT |
620 | |
621 | if (!ctx) | |
622 | return; | |
623 | ||
624 | e2fsck_clear_progbar(ctx); | |
625 | ctx->progress = 0; | |
626 | } | |
4cae0452 | 627 | |
54434927 | 628 | static void signal_cancel(int sig EXT2FS_ATTR((unused))) |
4cae0452 TT |
629 | { |
630 | e2fsck_t ctx = e2fsck_global_ctx; | |
631 | ||
632 | if (!ctx) | |
633 | exit(FSCK_CANCELED); | |
634 | ||
635 | ctx->flags |= E2F_FLAG_CANCEL; | |
636 | } | |
9ecd8bec | 637 | #endif |
5596defa | 638 | |
0684a4f3 TT |
639 | static void parse_extended_opts(e2fsck_t ctx, const char *opts) |
640 | { | |
641 | char *buf, *token, *next, *p, *arg; | |
f364093b | 642 | int ea_ver; |
0684a4f3 TT |
643 | int extended_usage = 0; |
644 | ||
f364093b | 645 | buf = string_copy(ctx, opts, 0); |
0684a4f3 TT |
646 | for (token = buf; token && *token; token = next) { |
647 | p = strchr(token, ','); | |
648 | next = 0; | |
649 | if (p) { | |
650 | *p = 0; | |
651 | next = p+1; | |
cae542ce | 652 | } |
0684a4f3 TT |
653 | arg = strchr(token, '='); |
654 | if (arg) { | |
655 | *arg = 0; | |
656 | arg++; | |
657 | } | |
658 | if (strcmp(token, "ea_ver") == 0) { | |
659 | if (!arg) { | |
660 | extended_usage++; | |
661 | continue; | |
662 | } | |
663 | ea_ver = strtoul(arg, &p, 0); | |
664 | if (*p || | |
665 | ((ea_ver != 1) && (ea_ver != 2))) { | |
666 | fprintf(stderr, | |
667 | _("Invalid EA version.\n")); | |
668 | extended_usage++; | |
669 | continue; | |
670 | } | |
671 | ctx->ext_attr_ver = ea_ver; | |
63b5e354 TT |
672 | } else if (strcmp(token, "fragcheck") == 0) { |
673 | ctx->options |= E2F_OPT_FRAGCHECK; | |
674 | continue; | |
71873b17 BS |
675 | } else if (strcmp(token, "journal_only") == 0) { |
676 | if (arg) { | |
677 | extended_usage++; | |
678 | continue; | |
679 | } | |
680 | ctx->options |= E2F_OPT_JOURNAL_ONLY; | |
efa1a355 LC |
681 | } else if (strcmp(token, "discard") == 0) { |
682 | ctx->options |= E2F_OPT_DISCARD; | |
683 | continue; | |
684 | } else if (strcmp(token, "nodiscard") == 0) { | |
685 | ctx->options &= ~E2F_OPT_DISCARD; | |
686 | continue; | |
b0e91c89 TT |
687 | } else if (strcmp(token, "log_filename") == 0) { |
688 | if (!arg) | |
689 | extended_usage++; | |
690 | else | |
691 | ctx->log_fn = string_copy(ctx, arg, 0); | |
692 | continue; | |
bb145b01 TT |
693 | } else { |
694 | fprintf(stderr, _("Unknown extended option: %s\n"), | |
695 | token); | |
0684a4f3 | 696 | extended_usage++; |
bb145b01 | 697 | } |
0684a4f3 | 698 | } |
cae542ce BB |
699 | free(buf); |
700 | ||
0684a4f3 | 701 | if (extended_usage) { |
bb145b01 TT |
702 | fputs(("\nExtended options are separated by commas, " |
703 | "and may take an argument which\n" | |
704 | "is set off by an equals ('=') sign. " | |
63b5e354 TT |
705 | "Valid extended options are:\n"), stderr); |
706 | fputs(("\tea_ver=<ea_version (1 or 2)>\n"), stderr); | |
707 | fputs(("\tfragcheck\n"), stderr); | |
71873b17 | 708 | fputs(("\tjournal_only\n"), stderr); |
efa1a355 LC |
709 | fputs(("\tdiscard\n"), stderr); |
710 | fputs(("\tnodiscard\n"), stderr); | |
63b5e354 | 711 | fputc('\n', stderr); |
0684a4f3 TT |
712 | exit(1); |
713 | } | |
cae542ce | 714 | } |
0684a4f3 | 715 | |
f5f14fcf TT |
716 | static void syntax_err_report(const char *filename, long err, int line_num) |
717 | { | |
efc6f628 | 718 | fprintf(stderr, |
f5f14fcf TT |
719 | _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"), |
720 | filename, line_num, error_message(err)); | |
721 | exit(FSCK_ERROR); | |
722 | } | |
723 | ||
abcfdfda | 724 | static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 }; |
0684a4f3 | 725 | |
1b6bf175 TT |
726 | static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx) |
727 | { | |
728 | int flush = 0; | |
ae8160e6 | 729 | int c, fd; |
1b6bf175 TT |
730 | #ifdef MTRACE |
731 | extern void *mallwatch; | |
732 | #endif | |
1b6bf175 TT |
733 | e2fsck_t ctx; |
734 | errcode_t retval; | |
9ecd8bec | 735 | #ifdef HAVE_SIGNAL_H |
5596defa | 736 | struct sigaction sa; |
9ecd8bec | 737 | #endif |
0684a4f3 | 738 | char *extended_opts = 0; |
5dd2a6e0 | 739 | char *cp; |
5845caa4 TT |
740 | int res; /* result of sscanf */ |
741 | #ifdef CONFIG_JBD_DEBUG | |
742 | char *jbd_debug; | |
743 | #endif | |
1b6bf175 TT |
744 | |
745 | retval = e2fsck_allocate_context(&ctx); | |
746 | if (retval) | |
747 | return retval; | |
748 | ||
749 | *ret_ctx = ctx; | |
750 | ||
908b785c TT |
751 | setvbuf(stdout, NULL, _IONBF, BUFSIZ); |
752 | setvbuf(stderr, NULL, _IONBF, BUFSIZ); | |
54a31a3b TT |
753 | if (isatty(0) && isatty(1)) { |
754 | ctx->interactive = 1; | |
755 | } else { | |
756 | ctx->start_meta[0] = '\001'; | |
757 | ctx->stop_meta[0] = '\002'; | |
758 | } | |
759 | memset(bar, '=', sizeof(bar)-1); | |
760 | memset(spaces, ' ', sizeof(spaces)-1); | |
a6d8302b TT |
761 | add_error_table(&et_ext2_error_table); |
762 | add_error_table(&et_prof_error_table); | |
f364093b | 763 | blkid_get_cache(&ctx->blkid, NULL); |
efc6f628 | 764 | |
1b6bf175 TT |
765 | if (argc && *argv) |
766 | ctx->program_name = *argv; | |
767 | else | |
768 | ctx->program_name = "e2fsck"; | |
efa1a355 | 769 | |
4fb9d52b | 770 | while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF) |
1b6bf175 | 771 | switch (c) { |
efac9a1b TT |
772 | case 'C': |
773 | ctx->progress = e2fsck_update_progress; | |
5845caa4 TT |
774 | res = sscanf(optarg, "%d", &ctx->progress_fd); |
775 | if (res != 1) | |
776 | goto sscanf_err; | |
777 | ||
be62523b TT |
778 | if (ctx->progress_fd < 0) { |
779 | ctx->progress = 0; | |
780 | ctx->progress_fd = ctx->progress_fd * -1; | |
781 | } | |
fc9a69ca TT |
782 | if (!ctx->progress_fd) |
783 | break; | |
ae8160e6 TT |
784 | /* Validate the file descriptor to avoid disasters */ |
785 | fd = dup(ctx->progress_fd); | |
786 | if (fd < 0) { | |
787 | fprintf(stderr, | |
788 | _("Error validating file descriptor %d: %s\n"), | |
789 | ctx->progress_fd, | |
790 | error_message(errno)); | |
791 | fatal_error(ctx, | |
792 | _("Invalid completion information file descriptor")); | |
793 | } else | |
794 | close(fd); | |
efac9a1b | 795 | break; |
850d05e9 TT |
796 | case 'D': |
797 | ctx->options |= E2F_OPT_COMPRESS_DIRS; | |
798 | break; | |
0684a4f3 TT |
799 | case 'E': |
800 | extended_opts = optarg; | |
801 | break; | |
1b6bf175 TT |
802 | case 'p': |
803 | case 'a': | |
8161a748 TT |
804 | if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) { |
805 | conflict_opt: | |
efc6f628 | 806 | fatal_error(ctx, |
f4b6d2a0 | 807 | _("Only one of the options -p/-a, -n or -y may be specified.")); |
8161a748 | 808 | } |
1b6bf175 | 809 | ctx->options |= E2F_OPT_PREEN; |
1b6bf175 TT |
810 | break; |
811 | case 'n': | |
8161a748 TT |
812 | if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN)) |
813 | goto conflict_opt; | |
1b6bf175 | 814 | ctx->options |= E2F_OPT_NO; |
1b6bf175 TT |
815 | break; |
816 | case 'y': | |
8161a748 TT |
817 | if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO)) |
818 | goto conflict_opt; | |
1b6bf175 | 819 | ctx->options |= E2F_OPT_YES; |
1b6bf175 TT |
820 | break; |
821 | case 't': | |
8bf191e8 | 822 | #ifdef RESOURCE_TRACK |
1b6bf175 TT |
823 | if (ctx->options & E2F_OPT_TIME) |
824 | ctx->options |= E2F_OPT_TIME2; | |
825 | else | |
826 | ctx->options |= E2F_OPT_TIME; | |
8bf191e8 | 827 | #else |
0c4a0726 TT |
828 | fprintf(stderr, _("The -t option is not " |
829 | "supported on this version of e2fsck.\n")); | |
8bf191e8 | 830 | #endif |
1b6bf175 TT |
831 | break; |
832 | case 'c': | |
3ed57c27 TT |
833 | if (cflag++) |
834 | ctx->options |= E2F_OPT_WRITECHECK; | |
1b6bf175 TT |
835 | ctx->options |= E2F_OPT_CHECKBLOCKS; |
836 | break; | |
837 | case 'r': | |
838 | /* What we do by default, anyway! */ | |
839 | break; | |
840 | case 'b': | |
6dc64392 | 841 | res = sscanf(optarg, "%llu", &ctx->use_superblock); |
5845caa4 TT |
842 | if (res != 1) |
843 | goto sscanf_err; | |
ae6cdcf7 | 844 | ctx->flags |= E2F_FLAG_SB_SPECIFIED; |
1b6bf175 TT |
845 | break; |
846 | case 'B': | |
f1a1761d | 847 | ctx->blocksize = atoi(optarg); |
1b6bf175 TT |
848 | break; |
849 | case 'I': | |
5845caa4 TT |
850 | res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks); |
851 | if (res != 1) | |
852 | goto sscanf_err; | |
1b6bf175 | 853 | break; |
adee8d75 | 854 | case 'j': |
b95ca928 TT |
855 | ctx->journal_name = blkid_get_devname(ctx->blkid, |
856 | optarg, NULL); | |
857 | if (!ctx->journal_name) { | |
858 | com_err(ctx->program_name, 0, | |
859 | _("Unable to resolve '%s'"), | |
860 | optarg); | |
861 | fatal_error(ctx, 0); | |
862 | } | |
adee8d75 | 863 | break; |
1b6bf175 | 864 | case 'P': |
5845caa4 TT |
865 | res = sscanf(optarg, "%d", &ctx->process_inode_size); |
866 | if (res != 1) | |
867 | goto sscanf_err; | |
1b6bf175 TT |
868 | break; |
869 | case 'L': | |
870 | replace_bad_blocks++; | |
871 | case 'l': | |
f364093b | 872 | bad_blocks_file = string_copy(ctx, optarg, 0); |
1b6bf175 TT |
873 | break; |
874 | case 'd': | |
875 | ctx->options |= E2F_OPT_DEBUG; | |
876 | break; | |
877 | case 'f': | |
d37066a9 | 878 | ctx->options |= E2F_OPT_FORCE; |
1b6bf175 TT |
879 | break; |
880 | case 'F': | |
1b6bf175 | 881 | flush = 1; |
1b6bf175 TT |
882 | break; |
883 | case 'v': | |
884 | verbose = 1; | |
885 | break; | |
886 | case 'V': | |
887 | show_version_only = 1; | |
888 | break; | |
889 | #ifdef MTRACE | |
890 | case 'M': | |
891 | mallwatch = (void *) strtol(optarg, NULL, 0); | |
892 | break; | |
893 | #endif | |
894 | case 'N': | |
a2447f8c | 895 | ctx->device_name = string_copy(ctx, optarg, 0); |
1b6bf175 | 896 | break; |
4fb9d52b TT |
897 | case 'k': |
898 | keep_bad_blocks++; | |
bc69f82d | 899 | break; |
1b6bf175 TT |
900 | default: |
901 | usage(ctx); | |
902 | } | |
903 | if (show_version_only) | |
904 | return 0; | |
905 | if (optind != argc - 1) | |
906 | usage(ctx); | |
298c9c2f TT |
907 | if ((ctx->options & E2F_OPT_NO) && |
908 | (ctx->options & E2F_OPT_COMPRESS_DIRS)) { | |
909 | com_err(ctx->program_name, 0, | |
910 | _("The -n and -D options are incompatible.")); | |
911 | fatal_error(ctx, 0); | |
912 | } | |
913 | if ((ctx->options & E2F_OPT_NO) && cflag) { | |
914 | com_err(ctx->program_name, 0, | |
915 | _("The -n and -c options are incompatible.")); | |
916 | fatal_error(ctx, 0); | |
917 | } | |
918 | if ((ctx->options & E2F_OPT_NO) && bad_blocks_file) { | |
919 | com_err(ctx->program_name, 0, | |
920 | _("The -n and -l/-L options are incompatible.")); | |
921 | fatal_error(ctx, 0); | |
922 | } | |
923 | if (ctx->options & E2F_OPT_NO) | |
1b6bf175 | 924 | ctx->options |= E2F_OPT_READONLY; |
49a7360b | 925 | |
2e8ca9a2 | 926 | ctx->io_options = strchr(argv[optind], '?'); |
efc6f628 | 927 | if (ctx->io_options) |
2e8ca9a2 | 928 | *ctx->io_options++ = 0; |
f364093b | 929 | ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0); |
817e49e3 | 930 | if (!ctx->filesystem_name) { |
efc6f628 | 931 | com_err(ctx->program_name, 0, _("Unable to resolve '%s'"), |
817e49e3 TT |
932 | argv[optind]); |
933 | fatal_error(ctx, 0); | |
934 | } | |
0684a4f3 TT |
935 | if (extended_opts) |
936 | parse_extended_opts(ctx, extended_opts); | |
1017f651 | 937 | |
5dd2a6e0 TT |
938 | if ((cp = getenv("E2FSCK_CONFIG")) != NULL) |
939 | config_fn[0] = cp; | |
f5f14fcf | 940 | profile_set_syntax_err_cb(syntax_err_report); |
1017f651 TT |
941 | profile_init(config_fn, &ctx->profile); |
942 | ||
c0a84966 TT |
943 | profile_get_boolean(ctx->profile, "options", "report_time", 0, 0, |
944 | &c); | |
945 | if (c) | |
946 | ctx->options |= E2F_OPT_TIME | E2F_OPT_TIME2; | |
947 | profile_get_boolean(ctx->profile, "options", "report_verbose", 0, 0, | |
948 | &c); | |
949 | if (c) | |
950 | verbose = 1; | |
951 | ||
f0fe5dae LC |
952 | /* Turn off discard in read-only mode */ |
953 | if ((ctx->options & E2F_OPT_NO) && | |
954 | (ctx->options & E2F_OPT_DISCARD)) | |
955 | ctx->options &= ~E2F_OPT_DISCARD; | |
956 | ||
28ffafb0 | 957 | if (flush) { |
4ea7bd04 | 958 | fd = open(ctx->filesystem_name, O_RDONLY, 0); |
1b6bf175 | 959 | if (fd < 0) { |
0c4a0726 TT |
960 | com_err("open", errno, |
961 | _("while opening %s for flushing"), | |
1b6bf175 | 962 | ctx->filesystem_name); |
243dc31f | 963 | fatal_error(ctx, 0); |
1b6bf175 | 964 | } |
5df55d7f | 965 | if ((retval = ext2fs_sync_device(fd, 1))) { |
5ba23cb1 | 966 | com_err("ext2fs_sync_device", retval, |
0c4a0726 | 967 | _("while trying to flush %s"), |
1b6bf175 | 968 | ctx->filesystem_name); |
243dc31f | 969 | fatal_error(ctx, 0); |
1b6bf175 TT |
970 | } |
971 | close(fd); | |
1b6bf175 | 972 | } |
3ed57c27 TT |
973 | if (cflag && bad_blocks_file) { |
974 | fprintf(stderr, _("The -c and the -l/-L options may " | |
975 | "not be both used at the same time.\n")); | |
976 | exit(FSCK_USAGE); | |
977 | } | |
9ecd8bec | 978 | #ifdef HAVE_SIGNAL_H |
5596defa TT |
979 | /* |
980 | * Set up signal action | |
981 | */ | |
982 | memset(&sa, 0, sizeof(struct sigaction)); | |
850d05e9 TT |
983 | sa.sa_handler = signal_cancel; |
984 | sigaction(SIGINT, &sa, 0); | |
985 | sigaction(SIGTERM, &sa, 0); | |
5596defa TT |
986 | #ifdef SA_RESTART |
987 | sa.sa_flags = SA_RESTART; | |
988 | #endif | |
243dc31f | 989 | e2fsck_global_ctx = ctx; |
5596defa TT |
990 | sa.sa_handler = signal_progress_on; |
991 | sigaction(SIGUSR1, &sa, 0); | |
992 | sa.sa_handler = signal_progress_off; | |
993 | sigaction(SIGUSR2, &sa, 0); | |
9ecd8bec | 994 | #endif |
6d222f32 TT |
995 | |
996 | /* Update our PATH to include /sbin if we need to run badblocks */ | |
997 | if (cflag) { | |
998 | char *oldpath = getenv("PATH"); | |
642935c0 TT |
999 | char *newpath; |
1000 | int len = sizeof(PATH_SET) + 1; | |
1001 | ||
1002 | if (oldpath) | |
1003 | len += strlen(oldpath); | |
1004 | ||
1005 | newpath = malloc(len); | |
1006 | if (!newpath) | |
1007 | fatal_error(ctx, "Couldn't malloc() newpath"); | |
1008 | strcpy(newpath, PATH_SET); | |
1009 | ||
6d222f32 | 1010 | if (oldpath) { |
642935c0 TT |
1011 | strcat(newpath, ":"); |
1012 | strcat(newpath, oldpath); | |
1013 | } | |
1014 | putenv(newpath); | |
6d222f32 | 1015 | } |
5e72cdbe | 1016 | #ifdef CONFIG_JBD_DEBUG |
5845caa4 | 1017 | jbd_debug = getenv("E2FSCK_JBD_DEBUG"); |
414025e5 | 1018 | if (jbd_debug) { |
5845caa4 TT |
1019 | res = sscanf(jbd_debug, "%d", &journal_enable_debug); |
1020 | if (res != 1) { | |
1021 | fprintf(stderr, | |
1022 | _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"), | |
1023 | jbd_debug); | |
1024 | exit (1); | |
1025 | } | |
414025e5 | 1026 | } |
5e72cdbe | 1027 | #endif |
1b6bf175 | 1028 | return 0; |
5845caa4 TT |
1029 | |
1030 | sscanf_err: | |
1031 | fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"), | |
1032 | c, optarg); | |
1033 | exit (1); | |
1b6bf175 TT |
1034 | } |
1035 | ||
60663890 TT |
1036 | static errcode_t try_open_fs(e2fsck_t ctx, int flags, io_manager io_ptr, |
1037 | ext2_filsys *ret_fs) | |
1038 | { | |
1039 | errcode_t retval; | |
1040 | ||
1041 | *ret_fs = NULL; | |
1042 | if (ctx->superblock && ctx->blocksize) { | |
1043 | retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, | |
1044 | flags, ctx->superblock, ctx->blocksize, | |
1045 | io_ptr, ret_fs); | |
1046 | } else if (ctx->superblock) { | |
1047 | int blocksize; | |
1048 | for (blocksize = EXT2_MIN_BLOCK_SIZE; | |
1049 | blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) { | |
1050 | if (*ret_fs) { | |
1051 | ext2fs_free(*ret_fs); | |
1052 | *ret_fs = NULL; | |
1053 | } | |
1054 | retval = ext2fs_open2(ctx->filesystem_name, | |
1055 | ctx->io_options, flags, | |
1056 | ctx->superblock, blocksize, | |
1057 | io_ptr, ret_fs); | |
1058 | if (!retval) | |
1059 | break; | |
1060 | } | |
1061 | } else | |
1062 | retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, | |
1063 | flags, 0, 0, io_ptr, ret_fs); | |
830b44f4 | 1064 | |
a046da59 | 1065 | if (retval == 0) |
830b44f4 TT |
1066 | e2fsck_set_bitmap_type(*ret_fs, EXT2FS_BMAP64_RBTREE, |
1067 | "default", NULL); | |
60663890 TT |
1068 | return retval; |
1069 | } | |
1070 | ||
1b6bf175 TT |
1071 | static const char *my_ver_string = E2FSPROGS_VERSION; |
1072 | static const char *my_ver_date = E2FSPROGS_DATE; | |
49a7360b | 1073 | |
e64e6761 | 1074 | static int e2fsck_check_mmp(ext2_filsys fs, e2fsck_t ctx) |
0f5eba75 AD |
1075 | { |
1076 | struct mmp_struct *mmp_s; | |
1077 | unsigned int mmp_check_interval; | |
1078 | errcode_t retval = 0; | |
1079 | struct problem_context pctx; | |
1080 | unsigned int wait_time = 0; | |
1081 | ||
1082 | clear_problem_context(&pctx); | |
1083 | if (fs->mmp_buf == NULL) { | |
1084 | retval = ext2fs_get_mem(fs->blocksize, &fs->mmp_buf); | |
1085 | if (retval) | |
1086 | goto check_error; | |
1087 | } | |
1088 | ||
1089 | retval = ext2fs_mmp_read(fs, fs->super->s_mmp_block, fs->mmp_buf); | |
1090 | if (retval) | |
1091 | goto check_error; | |
1092 | ||
1093 | mmp_s = fs->mmp_buf; | |
1094 | ||
1095 | mmp_check_interval = fs->super->s_mmp_update_interval; | |
1096 | if (mmp_check_interval < EXT4_MMP_MIN_CHECK_INTERVAL) | |
1097 | mmp_check_interval = EXT4_MMP_MIN_CHECK_INTERVAL; | |
1098 | ||
1099 | /* | |
1100 | * If check_interval in MMP block is larger, use that instead of | |
1101 | * check_interval from the superblock. | |
1102 | */ | |
1103 | if (mmp_s->mmp_check_interval > mmp_check_interval) | |
1104 | mmp_check_interval = mmp_s->mmp_check_interval; | |
1105 | ||
1106 | wait_time = mmp_check_interval * 2 + 1; | |
1107 | ||
1108 | if (mmp_s->mmp_seq == EXT4_MMP_SEQ_CLEAN) | |
1109 | retval = 0; | |
1110 | else if (mmp_s->mmp_seq == EXT4_MMP_SEQ_FSCK) | |
1111 | retval = EXT2_ET_MMP_FSCK_ON; | |
1112 | else if (mmp_s->mmp_seq > EXT4_MMP_SEQ_MAX) | |
1113 | retval = EXT2_ET_MMP_UNKNOWN_SEQ; | |
1114 | ||
1115 | if (retval) | |
1116 | goto check_error; | |
1117 | ||
1118 | /* Print warning if e2fck will wait for more than 20 secs. */ | |
1119 | if (verbose || wait_time > EXT4_MMP_MIN_CHECK_INTERVAL * 4) { | |
b0e91c89 TT |
1120 | log_out(ctx, _("MMP interval is %u seconds and total wait " |
1121 | "time is %u seconds. Please wait...\n"), | |
0f5eba75 AD |
1122 | mmp_check_interval, wait_time * 2); |
1123 | } | |
1124 | ||
1125 | return 0; | |
1126 | ||
1127 | check_error: | |
1128 | ||
1129 | if (retval == EXT2_ET_MMP_BAD_BLOCK) { | |
1130 | if (fix_problem(ctx, PR_0_MMP_INVALID_BLK, &pctx)) { | |
1131 | fs->super->s_mmp_block = 0; | |
1132 | ext2fs_mark_super_dirty(fs); | |
1133 | retval = 0; | |
1134 | } | |
1135 | } else if (retval == EXT2_ET_MMP_FAILED) { | |
1136 | com_err(ctx->program_name, retval, | |
1137 | _("while checking MMP block")); | |
1138 | dump_mmp_msg(fs->mmp_buf, NULL); | |
1139 | } else if (retval == EXT2_ET_MMP_FSCK_ON || | |
1140 | retval == EXT2_ET_MMP_UNKNOWN_SEQ) { | |
1141 | com_err(ctx->program_name, retval, | |
1142 | _("while checking MMP block")); | |
1143 | dump_mmp_msg(fs->mmp_buf, | |
1144 | _("If you are sure the filesystem is not " | |
1145 | "in use on any node, run:\n" | |
1146 | "'tune2fs -f -E clear_mmp {device}'\n")); | |
1147 | } else if (retval == EXT2_ET_MMP_MAGIC_INVALID) { | |
1148 | if (fix_problem(ctx, PR_0_MMP_INVALID_MAGIC, &pctx)) { | |
1149 | ext2fs_mmp_clear(fs); | |
1150 | retval = 0; | |
1151 | } | |
1152 | } | |
1153 | return retval; | |
1154 | } | |
1155 | ||
1b6bf175 TT |
1156 | int main (int argc, char *argv[]) |
1157 | { | |
82b59ca1 | 1158 | errcode_t retval = 0, retval2 = 0, orig_retval = 0; |
1b6bf175 | 1159 | int exit_value = FSCK_OK; |
1b6bf175 TT |
1160 | ext2_filsys fs = 0; |
1161 | io_manager io_ptr; | |
5dd8f963 | 1162 | struct ext2_super_block *sb; |
1b6bf175 TT |
1163 | const char *lib_ver_date; |
1164 | int my_ver, lib_ver; | |
1165 | e2fsck_t ctx; | |
4dbfd79d | 1166 | blk64_t orig_superblock; |
1b6bf175 | 1167 | struct problem_context pctx; |
08b21301 | 1168 | int flags, run_result; |
5107d0d1 | 1169 | int journal_size; |
9f0288d3 | 1170 | int sysval, sys_page_size = 4096; |
c5d2f50d | 1171 | int old_bitmaps; |
dcc91e10 | 1172 | __u32 features[3]; |
1dc506cb | 1173 | char *cp; |
1d6fd6d0 | 1174 | int qtype = -99; /* quota type */ |
efc6f628 | 1175 | |
1b6bf175 | 1176 | clear_problem_context(&pctx); |
9b3018a8 | 1177 | sigcatcher_setup(); |
1b6bf175 TT |
1178 | #ifdef MTRACE |
1179 | mtrace(); | |
1180 | #endif | |
1181 | #ifdef MCHECK | |
1182 | mcheck(0); | |
0c4a0726 TT |
1183 | #endif |
1184 | #ifdef ENABLE_NLS | |
1185 | setlocale(LC_MESSAGES, ""); | |
14308a53 | 1186 | setlocale(LC_CTYPE, ""); |
0c4a0726 TT |
1187 | bindtextdomain(NLS_CAT_NAME, LOCALEDIR); |
1188 | textdomain(NLS_CAT_NAME); | |
9d4507c5 | 1189 | set_com_err_gettext(gettext); |
1b6bf175 TT |
1190 | #endif |
1191 | my_ver = ext2fs_parse_version_string(my_ver_string); | |
1192 | lib_ver = ext2fs_get_library_version(0, &lib_ver_date); | |
1193 | if (my_ver > lib_ver) { | |
0c4a0726 TT |
1194 | fprintf( stderr, _("Error: ext2fs library version " |
1195 | "out of date!\n")); | |
1b6bf175 TT |
1196 | show_version_only++; |
1197 | } | |
efc6f628 | 1198 | |
1b6bf175 TT |
1199 | retval = PRS(argc, argv, &ctx); |
1200 | if (retval) { | |
1201 | com_err("e2fsck", retval, | |
0c4a0726 | 1202 | _("while trying to initialize program")); |
243dc31f | 1203 | exit(FSCK_ERROR); |
1b6bf175 | 1204 | } |
24fc5032 | 1205 | reserve_stdio_fds(); |
efc6f628 | 1206 | |
b0e91c89 TT |
1207 | set_up_logging(ctx); |
1208 | if (ctx->logf) { | |
1209 | int i; | |
1210 | fputs("E2fsck run: ", ctx->logf); | |
1211 | for (i = 0; i < argc; i++) { | |
1212 | if (i) | |
1213 | fputc(' ', ctx->logf); | |
1214 | fputs(argv[i], ctx->logf); | |
1215 | } | |
1216 | fputc('\n', ctx->logf); | |
1217 | } | |
1218 | ||
6d96b00d | 1219 | init_resource_track(&ctx->global_rtrack, NULL); |
1b6bf175 | 1220 | if (!(ctx->options & E2F_OPT_PREEN) || show_version_only) |
b0e91c89 | 1221 | log_err(ctx, "e2fsck %s (%s)\n", my_ver_string, |
0f8973fb | 1222 | my_ver_date); |
1b6bf175 TT |
1223 | |
1224 | if (show_version_only) { | |
b0e91c89 | 1225 | log_err(ctx, _("\tUsing %s, %s\n"), |
1b6bf175 | 1226 | error_message(EXT2_ET_BASE), lib_ver_date); |
243dc31f | 1227 | exit(FSCK_OK); |
1b6bf175 | 1228 | } |
efc6f628 | 1229 | |
1b6bf175 | 1230 | check_mount(ctx); |
efc6f628 | 1231 | |
1b6bf175 TT |
1232 | if (!(ctx->options & E2F_OPT_PREEN) && |
1233 | !(ctx->options & E2F_OPT_NO) && | |
1234 | !(ctx->options & E2F_OPT_YES)) { | |
54a31a3b | 1235 | if (!ctx->interactive) |
f8188fff | 1236 | fatal_error(ctx, |
0c4a0726 | 1237 | _("need terminal for interactive repairs")); |
1b6bf175 TT |
1238 | } |
1239 | ctx->superblock = ctx->use_superblock; | |
0f5eba75 AD |
1240 | |
1241 | flags = EXT2_FLAG_SKIP_MMP; | |
1b6bf175 | 1242 | restart: |
2a29f135 | 1243 | #ifdef CONFIG_TESTIO_DEBUG |
f38cf3cb TT |
1244 | if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { |
1245 | io_ptr = test_io_manager; | |
1246 | test_io_backing_manager = unix_io_manager; | |
1247 | } else | |
1b6bf175 | 1248 | #endif |
f38cf3cb | 1249 | io_ptr = unix_io_manager; |
0f5eba75 | 1250 | flags |= EXT2_FLAG_NOFREE_ON_ERROR; |
c5d2f50d VAH |
1251 | profile_get_boolean(ctx->profile, "options", "old_bitmaps", 0, 0, |
1252 | &old_bitmaps); | |
1253 | if (!old_bitmaps) | |
1254 | flags |= EXT2_FLAG_64BITS; | |
cd5bb7c8 AD |
1255 | if ((ctx->options & E2F_OPT_READONLY) == 0) { |
1256 | flags |= EXT2_FLAG_RW; | |
1257 | if (!(ctx->mount_flags & EXT2_MF_ISROOT && | |
1258 | ctx->mount_flags & EXT2_MF_READONLY)) | |
1259 | flags |= EXT2_FLAG_EXCLUSIVE; | |
78a0d2ba TT |
1260 | if ((ctx->mount_flags & EXT2_MF_READONLY) && |
1261 | (ctx->options & E2F_OPT_FORCE)) | |
1262 | flags &= ~EXT2_FLAG_EXCLUSIVE; | |
cd5bb7c8 | 1263 | } |
17390c04 | 1264 | |
60663890 TT |
1265 | retval = try_open_fs(ctx, flags, io_ptr, &fs); |
1266 | ||
ae6cdcf7 TT |
1267 | if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && |
1268 | !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && | |
1b6bf175 | 1269 | ((retval == EXT2_ET_BAD_MAGIC) || |
cd538080 | 1270 | (retval == EXT2_ET_CORRUPT_SUPERBLOCK) || |
82b59ca1 | 1271 | ((retval == 0) && (retval2 = ext2fs_check_desc(fs))))) { |
010c49cf TT |
1272 | if (retval) { |
1273 | pctx.errcode = retval; | |
1274 | fix_problem(ctx, PR_0_OPEN_FAILED, &pctx); | |
1275 | } | |
1276 | if (retval2) { | |
1277 | pctx.errcode = retval2; | |
1278 | fix_problem(ctx, PR_0_CHECK_DESC_FAILED, &pctx); | |
1279 | } | |
1280 | pctx.errcode = 0; | |
41cec349 | 1281 | if (retval2 == ENOMEM || retval2 == EXT2_ET_NO_MEMORY) { |
82b59ca1 TT |
1282 | retval = retval2; |
1283 | goto failure; | |
1284 | } | |
dcc91e10 TT |
1285 | if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) { |
1286 | ext2fs_free(fs); | |
1287 | fs = NULL; | |
1288 | } | |
1b6bf175 | 1289 | if (!fs || (fs->group_desc_count > 1)) { |
b0e91c89 TT |
1290 | log_out(ctx, _("%s: %s trying backup blocks...\n"), |
1291 | ctx->program_name, | |
1292 | retval ? _("Superblock invalid,") : | |
1293 | _("Group descriptors look bad...")); | |
60663890 | 1294 | orig_superblock = ctx->superblock; |
f1a1761d | 1295 | get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr); |
1b6bf175 TT |
1296 | if (fs) |
1297 | ext2fs_close(fs); | |
cd538080 | 1298 | orig_retval = retval; |
60663890 TT |
1299 | retval = try_open_fs(ctx, flags, io_ptr, &fs); |
1300 | if ((orig_retval == 0) && retval != 0) { | |
22ff06d5 TT |
1301 | if (fs) |
1302 | ext2fs_close(fs); | |
b0e91c89 TT |
1303 | log_out(ctx, _("%s: %s while using the " |
1304 | "backup blocks"), | |
1305 | ctx->program_name, | |
1306 | error_message(retval)); | |
1307 | log_out(ctx, _("%s: going back to original " | |
1308 | "superblock\n"), | |
1309 | ctx->program_name); | |
60663890 TT |
1310 | ctx->superblock = orig_superblock; |
1311 | retval = try_open_fs(ctx, flags, io_ptr, &fs); | |
1312 | } | |
1b6bf175 TT |
1313 | } |
1314 | } | |
dcc91e10 TT |
1315 | if (((retval == EXT2_ET_UNSUPP_FEATURE) || |
1316 | (retval == EXT2_ET_RO_UNSUPP_FEATURE)) && | |
1317 | fs && fs->super) { | |
1318 | sb = fs->super; | |
efc6f628 | 1319 | features[0] = (sb->s_feature_compat & |
dcc91e10 | 1320 | ~EXT2_LIB_FEATURE_COMPAT_SUPP); |
efc6f628 | 1321 | features[1] = (sb->s_feature_incompat & |
dcc91e10 | 1322 | ~EXT2_LIB_FEATURE_INCOMPAT_SUPP); |
efc6f628 | 1323 | features[2] = (sb->s_feature_ro_compat & |
dcc91e10 TT |
1324 | ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); |
1325 | if (features[0] || features[1] || features[2]) | |
1326 | goto print_unsupp_features; | |
1327 | } | |
82b59ca1 | 1328 | failure: |
1b6bf175 | 1329 | if (retval) { |
cd538080 TT |
1330 | if (orig_retval) |
1331 | retval = orig_retval; | |
0c4a0726 | 1332 | com_err(ctx->program_name, retval, _("while trying to open %s"), |
1b6bf175 | 1333 | ctx->filesystem_name); |
24dd4028 | 1334 | if (retval == EXT2_ET_REV_TOO_HIGH) { |
b0e91c89 | 1335 | log_out(ctx, _("The filesystem revision is apparently " |
24dd4028 TT |
1336 | "too high for this version of e2fsck.\n" |
1337 | "(Or the filesystem superblock " | |
0c4a0726 | 1338 | "is corrupt)\n\n")); |
24dd4028 TT |
1339 | fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); |
1340 | } else if (retval == EXT2_ET_SHORT_READ) | |
b0e91c89 TT |
1341 | log_out(ctx, _("Could this be a zero-length " |
1342 | "partition?\n")); | |
1b6bf175 | 1343 | else if ((retval == EPERM) || (retval == EACCES)) |
b0e91c89 | 1344 | log_out(ctx, _("You must have %s access to the " |
0c4a0726 | 1345 | "filesystem or be root\n"), |
1b6bf175 TT |
1346 | (ctx->options & E2F_OPT_READONLY) ? |
1347 | "r/o" : "r/w"); | |
1348 | else if (retval == ENXIO) | |
b0e91c89 TT |
1349 | log_out(ctx, _("Possibly non-existent or " |
1350 | "swap device?\n")); | |
2e14e0c8 | 1351 | else if (retval == EBUSY) |
b0e91c89 TT |
1352 | log_out(ctx, _("Filesystem mounted or opened " |
1353 | "exclusively by another program?\n")); | |
32f66cc7 | 1354 | else if (retval == ENOENT) |
b0e91c89 | 1355 | log_out(ctx, _("Possibly non-existent device?\n")); |
68227542 TT |
1356 | #ifdef EROFS |
1357 | else if (retval == EROFS) | |
b0e91c89 TT |
1358 | log_out(ctx, _("Disk write-protected; use the -n " |
1359 | "option to do a read-only\n" | |
1360 | "check of the device.\n")); | |
68227542 | 1361 | #endif |
1b6bf175 TT |
1362 | else |
1363 | fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); | |
243dc31f | 1364 | fatal_error(ctx, 0); |
1b6bf175 | 1365 | } |
058ad1c7 TT |
1366 | /* |
1367 | * We only update the master superblock because (a) paranoia; | |
1368 | * we don't want to corrupt the backup superblocks, and (b) we | |
1369 | * don't need to update the mount count and last checked | |
1370 | * fields in the backup superblock (the kernel doesn't update | |
1371 | * the backup superblocks anyway). With newer versions of the | |
1372 | * library this flag is set by ext2fs_open2(), but we set this | |
1373 | * here just to be sure. (No, we don't support e2fsck running | |
1374 | * with some other libext2fs than the one that it was shipped | |
1375 | * with, but just in case....) | |
1376 | */ | |
1377 | fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; | |
d2af1bdd TT |
1378 | |
1379 | if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) { | |
1380 | __u32 blocksize = EXT2_BLOCK_SIZE(fs->super); | |
1381 | int need_restart = 0; | |
1382 | ||
59119646 TT |
1383 | pctx.errcode = ext2fs_get_device_size2(ctx->filesystem_name, |
1384 | blocksize, | |
1385 | &ctx->num_blocks); | |
d2af1bdd TT |
1386 | /* |
1387 | * The floppy driver refuses to allow anyone else to | |
1388 | * open the device if has been opened with O_EXCL; | |
1389 | * this is unlike other block device drivers in Linux. | |
1390 | * To handle this, we close the filesystem and then | |
1391 | * reopen the filesystem after we get the device size. | |
1392 | */ | |
1393 | if (pctx.errcode == EBUSY) { | |
1394 | ext2fs_close(fs); | |
1395 | need_restart++; | |
efc6f628 | 1396 | pctx.errcode = |
59119646 TT |
1397 | ext2fs_get_device_size2(ctx->filesystem_name, |
1398 | blocksize, | |
1399 | &ctx->num_blocks); | |
d2af1bdd TT |
1400 | } |
1401 | if (pctx.errcode == EXT2_ET_UNIMPLEMENTED) | |
1402 | ctx->num_blocks = 0; | |
1403 | else if (pctx.errcode) { | |
1404 | fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); | |
1405 | ctx->flags |= E2F_FLAG_ABORT; | |
1406 | fatal_error(ctx, 0); | |
d2af1bdd TT |
1407 | } |
1408 | ctx->flags |= E2F_FLAG_GOT_DEVSIZE; | |
1409 | if (need_restart) | |
1410 | goto restart; | |
1411 | } | |
1412 | ||
1b6bf175 | 1413 | ctx->fs = fs; |
54dc7ca2 | 1414 | fs->priv_data = ctx; |
8dceb924 | 1415 | fs->now = ctx->now; |
5dd8f963 | 1416 | sb = fs->super; |
b0e91c89 | 1417 | |
5dd8f963 | 1418 | if (sb->s_rev_level > E2FSCK_CURRENT_REV) { |
1b6bf175 | 1419 | com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH, |
0c4a0726 | 1420 | _("while trying to open %s"), |
1b6bf175 | 1421 | ctx->filesystem_name); |
f8188fff | 1422 | get_newer: |
0c4a0726 | 1423 | fatal_error(ctx, _("Get a newer version of e2fsck!")); |
1b6bf175 | 1424 | } |
3b5386dc TT |
1425 | |
1426 | /* | |
1427 | * Set the device name, which is used whenever we print error | |
1428 | * or informational messages to the user. | |
1429 | */ | |
1430 | if (ctx->device_name == 0 && | |
5dd8f963 | 1431 | (sb->s_volume_name[0] != 0)) { |
f364093b TT |
1432 | ctx->device_name = string_copy(ctx, sb->s_volume_name, |
1433 | sizeof(sb->s_volume_name)); | |
3b5386dc TT |
1434 | } |
1435 | if (ctx->device_name == 0) | |
1dc506cb TT |
1436 | ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0); |
1437 | for (cp = ctx->device_name; *cp; cp++) | |
1438 | if (isspace(*cp) || *cp == ':') | |
1439 | *cp = '_'; | |
3b5386dc | 1440 | |
14c5af32 AD |
1441 | ehandler_init(fs->io); |
1442 | ||
0f5eba75 AD |
1443 | if ((fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) && |
1444 | (flags & EXT2_FLAG_SKIP_MMP)) { | |
1445 | if (e2fsck_check_mmp(fs, ctx)) | |
1446 | fatal_error(ctx, 0); | |
0f5eba75 | 1447 | |
349b8a37 TT |
1448 | /* |
1449 | * Restart in order to reopen fs but this time start mmp. | |
1450 | */ | |
0f5eba75 | 1451 | ext2fs_close(fs); |
1660034c | 1452 | ctx->fs = NULL; |
0f5eba75 AD |
1453 | flags &= ~EXT2_FLAG_SKIP_MMP; |
1454 | goto restart; | |
1455 | } | |
1456 | ||
b0e91c89 TT |
1457 | if (ctx->logf) |
1458 | fprintf(ctx->logf, "Filesystem UUID: %s\n", | |
1459 | e2p_uuid2str(sb->s_uuid)); | |
1460 | ||
17390c04 | 1461 | /* |
9b565759 | 1462 | * Make sure the ext3 superblock fields are consistent. |
17390c04 | 1463 | */ |
3b5386dc TT |
1464 | retval = e2fsck_check_ext3_journal(ctx); |
1465 | if (retval) { | |
1466 | com_err(ctx->program_name, retval, | |
1467 | _("while checking ext3 journal for %s"), | |
1468 | ctx->device_name); | |
243dc31f | 1469 | fatal_error(ctx, 0); |
3b5386dc TT |
1470 | } |
1471 | ||
9b565759 TT |
1472 | /* |
1473 | * Check to see if we need to do ext3-style recovery. If so, | |
1474 | * do it, and then restart the fsck. | |
1475 | */ | |
5dd8f963 | 1476 | if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) { |
2575fb04 | 1477 | if (ctx->options & E2F_OPT_READONLY) { |
b0e91c89 TT |
1478 | log_out(ctx, _("Warning: skipping journal recovery " |
1479 | "because doing a read-only filesystem " | |
1480 | "check.\n")); | |
2575fb04 TT |
1481 | io_channel_flush(ctx->fs->io); |
1482 | } else { | |
b92ae153 TT |
1483 | if (ctx->flags & E2F_FLAG_RESTARTED) { |
1484 | /* | |
1485 | * Whoops, we attempted to run the | |
1486 | * journal twice. This should never | |
1487 | * happen, unless the hardware or | |
1488 | * device driver is being bogus. | |
1489 | */ | |
1490 | com_err(ctx->program_name, 0, | |
1491 | _("unable to set superblock flags on %s\n"), ctx->device_name); | |
1492 | fatal_error(ctx, 0); | |
1493 | } | |
2575fb04 TT |
1494 | retval = e2fsck_run_ext3_journal(ctx); |
1495 | if (retval) { | |
1496 | com_err(ctx->program_name, retval, | |
3b5386dc | 1497 | _("while recovering ext3 journal of %s"), |
2575fb04 TT |
1498 | ctx->device_name); |
1499 | fatal_error(ctx, 0); | |
1500 | } | |
1501 | ext2fs_close(ctx->fs); | |
1502 | ctx->fs = 0; | |
b92ae153 | 1503 | ctx->flags |= E2F_FLAG_RESTARTED; |
2575fb04 | 1504 | goto restart; |
17390c04 | 1505 | } |
17390c04 | 1506 | } |
3b5386dc | 1507 | |
1b6bf175 TT |
1508 | /* |
1509 | * Check for compatibility with the feature sets. We need to | |
1510 | * be more stringent than ext2fs_open(). | |
1511 | */ | |
dcc91e10 TT |
1512 | features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP; |
1513 | features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP; | |
efc6f628 | 1514 | features[2] = (sb->s_feature_ro_compat & |
dcc91e10 TT |
1515 | ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); |
1516 | print_unsupp_features: | |
1517 | if (features[0] || features[1] || features[2]) { | |
1518 | int i, j; | |
1519 | __u32 *mask = features, m; | |
1520 | ||
b0e91c89 | 1521 | log_err(ctx, _("%s has unsupported feature(s):"), |
dcc91e10 TT |
1522 | ctx->filesystem_name); |
1523 | ||
1524 | for (i=0; i <3; i++,mask++) { | |
1525 | for (j=0,m=1; j < 32; j++, m<<=1) { | |
1526 | if (*mask & m) | |
b0e91c89 | 1527 | log_err(ctx, " %s", |
dcc91e10 TT |
1528 | e2p_feature2string(i, m)); |
1529 | } | |
1530 | } | |
b0e91c89 | 1531 | log_err(ctx, "\n"); |
1b6bf175 TT |
1532 | goto get_newer; |
1533 | } | |
1917875f | 1534 | #ifdef ENABLE_COMPRESSION |
5dd8f963 | 1535 | if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION) |
b0e91c89 TT |
1536 | log_err(ctx, _("%s: warning: compression support " |
1537 | "is experimental.\n"), | |
1538 | ctx->program_name); | |
1917875f | 1539 | #endif |
8fdc9985 TT |
1540 | #ifndef ENABLE_HTREE |
1541 | if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) { | |
b0e91c89 | 1542 | log_err(ctx, _("%s: e2fsck not compiled with HTREE support,\n\t" |
8fdc9985 | 1543 | "but filesystem %s has HTREE directories.\n"), |
b0e91c89 | 1544 | ctx->program_name, ctx->device_name); |
8fdc9985 TT |
1545 | goto get_newer; |
1546 | } | |
1547 | #endif | |
1548 | ||
1b6bf175 TT |
1549 | /* |
1550 | * If the user specified a specific superblock, presumably the | |
1551 | * master superblock has been trashed. So we mark the | |
1552 | * superblock as dirty, so it can be written out. | |
1553 | */ | |
1554 | if (ctx->superblock && | |
1555 | !(ctx->options & E2F_OPT_READONLY)) | |
1556 | ext2fs_mark_super_dirty(fs); | |
1557 | ||
9f0288d3 TT |
1558 | /* |
1559 | * Calculate the number of filesystem blocks per pagesize. If | |
1560 | * fs->blocksize > page_size, set the number of blocks per | |
1561 | * pagesize to 1 to avoid division by zero errors. | |
1562 | */ | |
1563 | #ifdef _SC_PAGESIZE | |
1564 | sysval = sysconf(_SC_PAGESIZE); | |
1565 | if (sysval > 0) | |
1566 | sys_page_size = sysval; | |
1567 | #endif /* _SC_PAGESIZE */ | |
1568 | ctx->blocks_per_page = sys_page_size / fs->blocksize; | |
1569 | if (ctx->blocks_per_page == 0) | |
1570 | ctx->blocks_per_page = 1; | |
1571 | ||
1b6bf175 TT |
1572 | if (ctx->superblock) |
1573 | set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0); | |
550a4afa | 1574 | ext2fs_mark_valid(fs); |
1b6bf175 | 1575 | check_super_block(ctx); |
a02ce9df | 1576 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
243dc31f | 1577 | fatal_error(ctx, 0); |
1b6bf175 | 1578 | check_if_skip(ctx); |
69d0edfd | 1579 | check_resize_inode(ctx); |
1b6bf175 TT |
1580 | if (bad_blocks_file) |
1581 | read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks); | |
1582 | else if (cflag) | |
4fb9d52b | 1583 | read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */ |
a02ce9df | 1584 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
243dc31f | 1585 | fatal_error(ctx, 0); |
1b6bf175 TT |
1586 | |
1587 | /* | |
1588 | * Mark the system as valid, 'til proven otherwise | |
1589 | */ | |
1590 | ext2fs_mark_valid(fs); | |
1591 | ||
1592 | retval = ext2fs_read_bb_inode(fs, &fs->badblocks); | |
1593 | if (retval) { | |
b0e91c89 TT |
1594 | log_out(ctx, _("%s: %s while reading bad blocks inode\n"), |
1595 | ctx->program_name, error_message(retval)); | |
1b6bf175 | 1596 | preenhalt(ctx); |
b0e91c89 TT |
1597 | log_out(ctx, _("This doesn't bode well, " |
1598 | "but we'll try to go on...\n")); | |
1b6bf175 | 1599 | } |
08b21301 | 1600 | |
5107d0d1 KS |
1601 | /* |
1602 | * Save the journal size in megabytes. | |
1603 | * Try and use the journal size from the backup else let e2fsck | |
1604 | * find the default journal size. | |
1605 | */ | |
1606 | if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS) | |
931b58e1 AD |
1607 | journal_size = (sb->s_jnl_blocks[15] << (32 - 20)) | |
1608 | (sb->s_jnl_blocks[16] >> 20); | |
5107d0d1 KS |
1609 | else |
1610 | journal_size = -1; | |
1611 | ||
624e4a64 | 1612 | if (sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_QUOTA) { |
624e4a64 AK |
1613 | /* Quotas were enabled. Do quota accounting during fsck. */ |
1614 | if ((sb->s_usr_quota_inum && sb->s_grp_quota_inum) || | |
1615 | (!sb->s_usr_quota_inum && !sb->s_grp_quota_inum)) | |
1616 | qtype = -1; | |
1617 | else | |
1618 | qtype = sb->s_usr_quota_inum ? USRQUOTA : GRPQUOTA; | |
1619 | ||
a86d55da | 1620 | quota_init_context(&ctx->qctx, ctx->fs, qtype); |
624e4a64 AK |
1621 | } |
1622 | ||
08b21301 | 1623 | run_result = e2fsck_run(ctx); |
5596defa | 1624 | e2fsck_clear_progbar(ctx); |
5107d0d1 KS |
1625 | |
1626 | if (ctx->flags & E2F_FLAG_JOURNAL_INODE) { | |
1627 | if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) { | |
1628 | if (journal_size < 1024) | |
4efbac6f | 1629 | journal_size = ext2fs_default_journal_size(ext2fs_blocks_count(fs->super)); |
5107d0d1 KS |
1630 | if (journal_size < 0) { |
1631 | fs->super->s_feature_compat &= | |
1632 | ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; | |
0cfce7f7 | 1633 | fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; |
b0e91c89 TT |
1634 | log_out(ctx, "%s: Couldn't determine " |
1635 | "journal size\n", ctx->program_name); | |
5107d0d1 KS |
1636 | goto no_journal; |
1637 | } | |
b0e91c89 | 1638 | log_out(ctx, _("Creating journal (%d blocks): "), |
5107d0d1 KS |
1639 | journal_size); |
1640 | fflush(stdout); | |
1641 | retval = ext2fs_add_journal_inode(fs, | |
1642 | journal_size, 0); | |
1643 | if (retval) { | |
b0e91c89 TT |
1644 | log_out(ctx, "%s: while trying to create " |
1645 | "journal\n", error_message(retval)); | |
5107d0d1 KS |
1646 | goto no_journal; |
1647 | } | |
b0e91c89 TT |
1648 | log_out(ctx, _(" Done.\n")); |
1649 | log_out(ctx, _("\n*** journal has been re-created - " | |
5107d0d1 KS |
1650 | "filesystem is now ext3 again ***\n")); |
1651 | } | |
1652 | } | |
1653 | no_journal: | |
1654 | ||
624e4a64 | 1655 | if (ctx->qctx) { |
7943ccf5 AK |
1656 | int i, needs_writeout; |
1657 | for (i = 0; i < MAXQUOTAS; i++) { | |
1658 | if (qtype != -1 && qtype != i) | |
1659 | continue; | |
1660 | needs_writeout = 0; | |
1661 | pctx.num = i; | |
1662 | retval = quota_compare_and_update(ctx->qctx, i, | |
1663 | &needs_writeout); | |
1664 | if ((retval || needs_writeout) && | |
1665 | fix_problem(ctx, PR_6_UPDATE_QUOTAS, &pctx)) | |
1666 | quota_write_inode(ctx->qctx, i); | |
1667 | } | |
a86d55da | 1668 | quota_release_context(&ctx->qctx); |
624e4a64 AK |
1669 | } |
1670 | ||
08b21301 | 1671 | if (run_result == E2F_FLAG_RESTART) { |
b0e91c89 | 1672 | log_out(ctx, _("Restarting e2fsck from the beginning...\n")); |
1b6bf175 TT |
1673 | retval = e2fsck_reset_context(ctx); |
1674 | if (retval) { | |
1675 | com_err(ctx->program_name, retval, | |
0c4a0726 | 1676 | _("while resetting context")); |
243dc31f | 1677 | fatal_error(ctx, 0); |
1b6bf175 | 1678 | } |
73f17cfc | 1679 | ext2fs_close(fs); |
1b6bf175 TT |
1680 | goto restart; |
1681 | } | |
4cae0452 | 1682 | if (run_result & E2F_FLAG_CANCEL) { |
b0e91c89 TT |
1683 | log_out(ctx, _("%s: e2fsck canceled.\n"), ctx->device_name ? |
1684 | ctx->device_name : ctx->filesystem_name); | |
4cae0452 TT |
1685 | exit_value |= FSCK_CANCELED; |
1686 | } | |
1687 | if (run_result & E2F_FLAG_ABORT) | |
1688 | fatal_error(ctx, _("aborted")); | |
0c37f456 TT |
1689 | if (check_backup_super_block(ctx)) { |
1690 | fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; | |
1691 | ext2fs_mark_super_dirty(fs); | |
1692 | } | |
1b6bf175 TT |
1693 | |
1694 | #ifdef MTRACE | |
1695 | mtrace_print("Cleanup"); | |
1696 | #endif | |
1697 | if (ext2fs_test_changed(fs)) { | |
4cae0452 | 1698 | exit_value |= FSCK_NONDESTRUCT; |
1b6bf175 | 1699 | if (!(ctx->options & E2F_OPT_PREEN)) |
b0e91c89 TT |
1700 | log_out(ctx, _("\n%s: ***** FILE SYSTEM WAS " |
1701 | "MODIFIED *****\n"), | |
1702 | ctx->device_name); | |
ee895139 | 1703 | if (ctx->mount_flags & EXT2_MF_ISROOT) { |
b0e91c89 TT |
1704 | log_out(ctx, _("%s: ***** REBOOT LINUX *****\n"), |
1705 | ctx->device_name); | |
4cae0452 | 1706 | exit_value |= FSCK_REBOOT; |
1b6bf175 TT |
1707 | } |
1708 | } | |
eb065ccf | 1709 | if (!ext2fs_test_valid(fs) || |
efc6f628 | 1710 | ((exit_value & FSCK_CANCELED) && |
eb065ccf | 1711 | (sb->s_state & EXT2_ERROR_FS))) { |
b0e91c89 TT |
1712 | log_out(ctx, _("\n%s: ********** WARNING: Filesystem still has " |
1713 | "errors **********\n\n"), ctx->device_name); | |
4cae0452 TT |
1714 | exit_value |= FSCK_UNCORRECTED; |
1715 | exit_value &= ~FSCK_NONDESTRUCT; | |
d3124019 | 1716 | } |
eb065ccf TT |
1717 | if (exit_value & FSCK_CANCELED) { |
1718 | int allow_cancellation; | |
1719 | ||
1720 | profile_get_boolean(ctx->profile, "options", | |
efc6f628 | 1721 | "allow_cancellation", 0, 0, |
eb065ccf | 1722 | &allow_cancellation); |
4cae0452 | 1723 | exit_value &= ~FSCK_NONDESTRUCT; |
eb065ccf | 1724 | if (allow_cancellation && ext2fs_test_valid(fs) && |
efc6f628 | 1725 | (sb->s_state & EXT2_VALID_FS) && |
eb065ccf TT |
1726 | !(sb->s_state & EXT2_ERROR_FS)) |
1727 | exit_value = 0; | |
1728 | } else { | |
4cae0452 | 1729 | show_stats(ctx); |
c1637bd3 TT |
1730 | if (!(ctx->options & E2F_OPT_READONLY)) { |
1731 | if (ext2fs_test_valid(fs)) { | |
1732 | if (!(sb->s_state & EXT2_VALID_FS)) | |
1733 | exit_value |= FSCK_NONDESTRUCT; | |
1734 | sb->s_state = EXT2_VALID_FS; | |
1735 | } else | |
1736 | sb->s_state &= ~EXT2_VALID_FS; | |
1737 | sb->s_mnt_count = 0; | |
177839e2 TT |
1738 | if (!(ctx->flags & E2F_FLAG_TIME_INSANE)) |
1739 | sb->s_lastcheck = ctx->now; | |
993988f6 TT |
1740 | memset(((char *) sb) + EXT4_S_ERR_START, 0, |
1741 | EXT4_S_ERR_LEN); | |
c1637bd3 TT |
1742 | ext2fs_mark_super_dirty(fs); |
1743 | } | |
1744 | } | |
1b6bf175 | 1745 | |
2e6436d4 TT |
1746 | if ((run_result & E2F_FLAG_CANCEL) == 0 && |
1747 | sb->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM && | |
f628acea AD |
1748 | !(ctx->options & E2F_OPT_READONLY)) { |
1749 | retval = ext2fs_set_gdt_csum(ctx->fs); | |
1750 | if (retval) { | |
1751 | com_err(ctx->program_name, retval, | |
1752 | _("while setting block group checksum info")); | |
1753 | fatal_error(ctx, 0); | |
1754 | } | |
1755 | } | |
49a7360b | 1756 | |
f8188fff | 1757 | e2fsck_write_bitmaps(ctx); |
6d96b00d | 1758 | io_channel_flush(ctx->fs->io); |
9facd076 KC |
1759 | print_resource_track(ctx, NULL, &ctx->global_rtrack, ctx->fs->io); |
1760 | ||
0628ae39 TT |
1761 | ext2fs_close(fs); |
1762 | ctx->fs = NULL; | |
f364093b | 1763 | free(ctx->journal_name); |
b28a6e96 | 1764 | |
b28a6e96 | 1765 | e2fsck_free_context(ctx); |
a6d8302b TT |
1766 | remove_error_table(&et_ext2_error_table); |
1767 | remove_error_table(&et_prof_error_table); | |
1b6bf175 TT |
1768 | return exit_value; |
1769 | } |