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Commit | Line | Data |
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3839e657 TT |
1 | /* |
2 | * mke2fs.c - Make a ext2fs filesystem. | |
3 | * | |
55f4cbd9 TT |
4 | * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
5 | * 2003, 2004, 2005 by Theodore Ts'o. | |
19c78dc0 TT |
6 | * |
7 | * %Begin-Header% | |
8 | * This file may be redistributed under the terms of the GNU Public | |
9 | * License. | |
10 | * %End-Header% | |
3839e657 TT |
11 | */ |
12 | ||
13 | /* Usage: mke2fs [options] device | |
14 | * | |
15 | * The device may be a block device or a image of one, but this isn't | |
16 | * enforced (but it's not much fun on a character device :-). | |
17 | */ | |
18 | ||
a418d3ad | 19 | #include <stdio.h> |
3839e657 TT |
20 | #include <string.h> |
21 | #include <fcntl.h> | |
22 | #include <ctype.h> | |
3839e657 | 23 | #include <time.h> |
756df353 | 24 | #ifdef __linux__ |
2740156b TT |
25 | #include <sys/utsname.h> |
26 | #endif | |
a418d3ad | 27 | #ifdef HAVE_GETOPT_H |
3839e657 | 28 | #include <getopt.h> |
373b8337 TT |
29 | #else |
30 | extern char *optarg; | |
31 | extern int optind; | |
a418d3ad TT |
32 | #endif |
33 | #ifdef HAVE_UNISTD_H | |
3839e657 | 34 | #include <unistd.h> |
a418d3ad TT |
35 | #endif |
36 | #ifdef HAVE_STDLIB_H | |
3839e657 | 37 | #include <stdlib.h> |
a418d3ad TT |
38 | #endif |
39 | #ifdef HAVE_ERRNO_H | |
40 | #include <errno.h> | |
41 | #endif | |
42 | #ifdef HAVE_MNTENT_H | |
3839e657 | 43 | #include <mntent.h> |
a418d3ad | 44 | #endif |
3839e657 | 45 | #include <sys/ioctl.h> |
f3db3566 TT |
46 | #include <sys/types.h> |
47 | ||
54c637d4 | 48 | #include "ext2fs/ext2_fs.h" |
3839e657 | 49 | #include "et/com_err.h" |
1e3472c5 | 50 | #include "uuid/uuid.h" |
896938d5 | 51 | #include "e2p/e2p.h" |
3839e657 | 52 | #include "ext2fs/ext2fs.h" |
63985320 | 53 | #include "util.h" |
9dc6ad1e | 54 | #include "profile.h" |
a6d8302b | 55 | #include "prof_err.h" |
3839e657 | 56 | #include "../version.h" |
d9c56d3c | 57 | #include "nls-enable.h" |
3839e657 TT |
58 | |
59 | #define STRIDE_LENGTH 8 | |
60 | ||
6733c2fd | 61 | #ifndef __sparc__ |
1e3472c5 TT |
62 | #define ZAP_BOOTBLOCK |
63 | #endif | |
64 | ||
3839e657 | 65 | extern int isatty(int); |
f3db3566 | 66 | extern FILE *fpopen(const char *cmd, const char *mode); |
3839e657 TT |
67 | |
68 | const char * program_name = "mke2fs"; | |
d48755e9 | 69 | const char * device_name /* = NULL */; |
3839e657 TT |
70 | |
71 | /* Command line options */ | |
16ed5b3a TT |
72 | int cflag; |
73 | int verbose; | |
74 | int quiet; | |
75 | int super_only; | |
76 | int force; | |
77 | int noaction; | |
78 | int journal_size; | |
79 | int journal_flags; | |
80 | char *bad_blocks_filename; | |
81 | __u32 fs_stride; | |
3839e657 | 82 | |
9b9a780f | 83 | struct ext2_super_block fs_param; |
16ed5b3a TT |
84 | char *creator_os; |
85 | char *volume_label; | |
86 | char *mount_dir; | |
87 | char *journal_device; | |
88 | int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ | |
3839e657 | 89 | |
9dc6ad1e TT |
90 | profile_t profile; |
91 | ||
31e29a12 | 92 | int sys_page_size = 4096; |
d99225ec | 93 | int linux_version_code = 0; |
31e29a12 | 94 | |
63985320 | 95 | static void usage(void) |
3839e657 | 96 | { |
bdd80f28 | 97 | fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " |
067911ae | 98 | "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] " |
bdd80f28 | 99 | "[-J journal-options]\n" |
067911ae AD |
100 | "\t[-N number-of-inodes] [-m reserved-blocks-percentage] " |
101 | "[-o creator-os]\n\t[-g blocks-per-group] [-L volume-label] " | |
102 | "[-M last-mounted-directory]\n\t[-O feature[,...]] " | |
bdd80f28 TT |
103 | "[-r fs-revision] [-E extended-option[,...]]\n" |
104 | "\t[-T fs-type] [-jnqvFSV] device [blocks-count]\n"), | |
3839e657 TT |
105 | program_name); |
106 | exit(1); | |
107 | } | |
108 | ||
6733c2fd | 109 | static int int_log2(int arg) |
3839e657 TT |
110 | { |
111 | int l = 0; | |
112 | ||
113 | arg >>= 1; | |
114 | while (arg) { | |
115 | l++; | |
116 | arg >>= 1; | |
117 | } | |
118 | return l; | |
119 | } | |
120 | ||
6733c2fd | 121 | static int int_log10(unsigned int arg) |
1dde43f0 TT |
122 | { |
123 | int l; | |
124 | ||
125 | for (l=0; arg ; l++) | |
126 | arg = arg / 10; | |
127 | return l; | |
128 | } | |
129 | ||
d99225ec TT |
130 | static int parse_version_number(const char *s) |
131 | { | |
132 | int major, minor, rev; | |
133 | char *endptr; | |
134 | const char *cp = s; | |
135 | ||
136 | if (!s) | |
137 | return 0; | |
138 | major = strtol(cp, &endptr, 10); | |
139 | if (cp == endptr || *endptr != '.') | |
140 | return 0; | |
141 | cp = endptr + 1; | |
142 | minor = strtol(cp, &endptr, 10); | |
143 | if (cp == endptr || *endptr != '.') | |
144 | return 0; | |
145 | cp = endptr + 1; | |
146 | rev = strtol(cp, &endptr, 10); | |
147 | if (cp == endptr) | |
148 | return 0; | |
149 | return ((((major * 256) + minor) * 256) + rev); | |
150 | } | |
151 | ||
3839e657 TT |
152 | /* |
153 | * Helper function for read_bb_file and test_disk | |
154 | */ | |
54434927 | 155 | static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) |
3839e657 | 156 | { |
6693837e | 157 | fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); |
3839e657 TT |
158 | return; |
159 | } | |
160 | ||
161 | /* | |
162 | * Reads the bad blocks list from a file | |
163 | */ | |
164 | static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, | |
165 | const char *bad_blocks_file) | |
166 | { | |
167 | FILE *f; | |
168 | errcode_t retval; | |
169 | ||
170 | f = fopen(bad_blocks_file, "r"); | |
171 | if (!f) { | |
172 | com_err("read_bad_blocks_file", errno, | |
d9c56d3c | 173 | _("while trying to open %s"), bad_blocks_file); |
3839e657 TT |
174 | exit(1); |
175 | } | |
176 | retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); | |
177 | fclose (f); | |
178 | if (retval) { | |
179 | com_err("ext2fs_read_bb_FILE", retval, | |
d9c56d3c | 180 | _("while reading in list of bad blocks from file")); |
3839e657 TT |
181 | exit(1); |
182 | } | |
183 | } | |
184 | ||
185 | /* | |
186 | * Runs the badblocks program to test the disk | |
187 | */ | |
188 | static void test_disk(ext2_filsys fs, badblocks_list *bb_list) | |
189 | { | |
190 | FILE *f; | |
191 | errcode_t retval; | |
192 | char buf[1024]; | |
193 | ||
d0ff90d5 | 194 | sprintf(buf, "badblocks -b %d -X %s%s%s %u", fs->blocksize, |
3ed57c27 | 195 | quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", |
8ade4792 | 196 | fs->device_name, fs->super->s_blocks_count-1); |
3839e657 | 197 | if (verbose) |
d9c56d3c | 198 | printf(_("Running command: %s\n"), buf); |
3839e657 TT |
199 | f = popen(buf, "r"); |
200 | if (!f) { | |
201 | com_err("popen", errno, | |
f37ab68a | 202 | _("while trying to run '%s'"), buf); |
3839e657 TT |
203 | exit(1); |
204 | } | |
205 | retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); | |
f3db3566 | 206 | pclose(f); |
3839e657 TT |
207 | if (retval) { |
208 | com_err("ext2fs_read_bb_FILE", retval, | |
d9c56d3c | 209 | _("while processing list of bad blocks from program")); |
3839e657 TT |
210 | exit(1); |
211 | } | |
212 | } | |
213 | ||
214 | static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) | |
215 | { | |
54434927 TT |
216 | dgrp_t i; |
217 | blk_t j; | |
218 | unsigned must_be_good; | |
3839e657 TT |
219 | blk_t blk; |
220 | badblocks_iterate bb_iter; | |
221 | errcode_t retval; | |
f3db3566 TT |
222 | blk_t group_block; |
223 | int group; | |
224 | int group_bad; | |
3839e657 TT |
225 | |
226 | if (!bb_list) | |
227 | return; | |
228 | ||
229 | /* | |
230 | * The primary superblock and group descriptors *must* be | |
231 | * good; if not, abort. | |
232 | */ | |
233 | must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; | |
234 | for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { | |
cbbf031b | 235 | if (ext2fs_badblocks_list_test(bb_list, i)) { |
d9c56d3c TT |
236 | fprintf(stderr, _("Block %d in primary " |
237 | "superblock/group descriptor area bad.\n"), i); | |
d0ff90d5 | 238 | fprintf(stderr, _("Blocks %u through %u must be good " |
d9c56d3c | 239 | "in order to build a filesystem.\n"), |
3839e657 | 240 | fs->super->s_first_data_block, must_be_good); |
54434927 | 241 | fputs(_("Aborting....\n"), stderr); |
3839e657 TT |
242 | exit(1); |
243 | } | |
244 | } | |
f3db3566 TT |
245 | |
246 | /* | |
247 | * See if any of the bad blocks are showing up in the backup | |
248 | * superblocks and/or group descriptors. If so, issue a | |
249 | * warning and adjust the block counts appropriately. | |
250 | */ | |
251 | group_block = fs->super->s_first_data_block + | |
252 | fs->super->s_blocks_per_group; | |
f3db3566 TT |
253 | |
254 | for (i = 1; i < fs->group_desc_count; i++) { | |
92bcc595 | 255 | group_bad = 0; |
f3db3566 | 256 | for (j=0; j < fs->desc_blocks+1; j++) { |
cbbf031b TT |
257 | if (ext2fs_badblocks_list_test(bb_list, |
258 | group_block + j)) { | |
f3db3566 TT |
259 | if (!group_bad) |
260 | fprintf(stderr, | |
8deb80a5 | 261 | _("Warning: the backup superblock/group descriptors at block %u contain\n" |
d9c56d3c | 262 | " bad blocks.\n\n"), |
f3db3566 TT |
263 | group_block); |
264 | group_bad++; | |
265 | group = ext2fs_group_of_blk(fs, group_block+j); | |
266 | fs->group_desc[group].bg_free_blocks_count++; | |
267 | fs->super->s_free_blocks_count++; | |
268 | } | |
269 | } | |
270 | group_block += fs->super->s_blocks_per_group; | |
271 | } | |
3839e657 TT |
272 | |
273 | /* | |
274 | * Mark all the bad blocks as used... | |
275 | */ | |
cbbf031b | 276 | retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); |
3839e657 | 277 | if (retval) { |
cbbf031b | 278 | com_err("ext2fs_badblocks_list_iterate_begin", retval, |
d9c56d3c | 279 | _("while marking bad blocks as used")); |
3839e657 TT |
280 | exit(1); |
281 | } | |
cbbf031b | 282 | while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) |
f3db3566 | 283 | ext2fs_mark_block_bitmap(fs->block_map, blk); |
cbbf031b | 284 | ext2fs_badblocks_list_iterate_end(bb_iter); |
3839e657 TT |
285 | } |
286 | ||
16ed5b3a TT |
287 | /* |
288 | * These functions implement a generalized progress meter. | |
289 | */ | |
290 | struct progress_struct { | |
291 | char format[20]; | |
292 | char backup[80]; | |
293 | __u32 max; | |
1cca86f5 | 294 | int skip_progress; |
16ed5b3a | 295 | }; |
7d5633cf | 296 | |
16ed5b3a | 297 | static void progress_init(struct progress_struct *progress, |
4ea7bd04 | 298 | const char *label,__u32 max) |
16ed5b3a TT |
299 | { |
300 | int i; | |
3839e657 | 301 | |
16ed5b3a TT |
302 | memset(progress, 0, sizeof(struct progress_struct)); |
303 | if (quiet) | |
304 | return; | |
1dde43f0 TT |
305 | |
306 | /* | |
307 | * Figure out how many digits we need | |
308 | */ | |
16ed5b3a TT |
309 | i = int_log10(max); |
310 | sprintf(progress->format, "%%%dd/%%%dld", i, i); | |
311 | memset(progress->backup, '\b', sizeof(progress->backup)-1); | |
312 | progress->backup[sizeof(progress->backup)-1] = 0; | |
54434927 | 313 | if ((2*i)+1 < (int) sizeof(progress->backup)) |
16ed5b3a TT |
314 | progress->backup[(2*i)+1] = 0; |
315 | progress->max = max; | |
316 | ||
1cca86f5 TT |
317 | progress->skip_progress = 0; |
318 | if (getenv("MKE2FS_SKIP_PROGRESS")) | |
319 | progress->skip_progress++; | |
320 | ||
16ed5b3a TT |
321 | fputs(label, stdout); |
322 | fflush(stdout); | |
323 | } | |
324 | ||
325 | static void progress_update(struct progress_struct *progress, __u32 val) | |
326 | { | |
1cca86f5 | 327 | if ((progress->format[0] == 0) || progress->skip_progress) |
16ed5b3a TT |
328 | return; |
329 | printf(progress->format, val, progress->max); | |
330 | fputs(progress->backup, stdout); | |
331 | } | |
332 | ||
333 | static void progress_close(struct progress_struct *progress) | |
334 | { | |
335 | if (progress->format[0] == 0) | |
336 | return; | |
337 | fputs(_("done \n"), stdout); | |
338 | } | |
339 | ||
340 | ||
341 | /* | |
342 | * Helper function which zeros out _num_ blocks starting at _blk_. In | |
343 | * case of an error, the details of the error is returned via _ret_blk_ | |
344 | * and _ret_count_ if they are non-NULL pointers. Returns 0 on | |
345 | * success, and an error code on an error. | |
346 | * | |
347 | * As a special case, if the first argument is NULL, then it will | |
348 | * attempt to free the static zeroizing buffer. (This is to keep | |
349 | * programs that check for memory leaks happy.) | |
350 | */ | |
351 | static errcode_t zero_blocks(ext2_filsys fs, blk_t blk, int num, | |
352 | struct progress_struct *progress, | |
353 | blk_t *ret_blk, int *ret_count) | |
354 | { | |
355 | int j, count, next_update, next_update_incr; | |
356 | static char *buf; | |
357 | errcode_t retval; | |
358 | ||
359 | /* If fs is null, clean up the static buffer and return */ | |
360 | if (!fs) { | |
361 | if (buf) { | |
362 | free(buf); | |
363 | buf = 0; | |
364 | } | |
365 | return 0; | |
366 | } | |
367 | /* Allocate the zeroizing buffer if necessary */ | |
368 | if (!buf) { | |
369 | buf = malloc(fs->blocksize * STRIDE_LENGTH); | |
370 | if (!buf) { | |
371 | com_err("malloc", ENOMEM, | |
372 | _("while allocating zeroizing buffer")); | |
373 | exit(1); | |
374 | } | |
375 | memset(buf, 0, fs->blocksize * STRIDE_LENGTH); | |
376 | } | |
377 | /* OK, do the write loop */ | |
378 | next_update = 0; | |
379 | next_update_incr = num / 100; | |
380 | if (next_update_incr < 1) | |
381 | next_update_incr = 1; | |
382 | for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) { | |
f044b4d8 TT |
383 | count = num - j; |
384 | if (count > STRIDE_LENGTH) | |
16ed5b3a | 385 | count = STRIDE_LENGTH; |
16ed5b3a TT |
386 | retval = io_channel_write_blk(fs->io, blk, count, buf); |
387 | if (retval) { | |
388 | if (ret_count) | |
389 | *ret_count = count; | |
390 | if (ret_blk) | |
391 | *ret_blk = blk; | |
392 | return retval; | |
393 | } | |
394 | if (progress && j > next_update) { | |
395 | next_update += num / 100; | |
396 | progress_update(progress, blk); | |
397 | } | |
398 | } | |
399 | return 0; | |
400 | } | |
401 | ||
402 | static void write_inode_tables(ext2_filsys fs) | |
403 | { | |
404 | errcode_t retval; | |
405 | blk_t blk; | |
54434927 TT |
406 | dgrp_t i; |
407 | int num; | |
16ed5b3a | 408 | struct progress_struct progress; |
f5fa2007 | 409 | int lazy_flag = 0; |
16ed5b3a TT |
410 | |
411 | if (quiet) | |
412 | memset(&progress, 0, sizeof(progress)); | |
413 | else | |
414 | progress_init(&progress, _("Writing inode tables: "), | |
415 | fs->group_desc_count); | |
1dde43f0 | 416 | |
f5fa2007 TT |
417 | if (EXT2_HAS_COMPAT_FEATURE(fs->super, |
418 | EXT2_FEATURE_COMPAT_LAZY_BG)) | |
419 | lazy_flag = 1; | |
420 | ||
3839e657 | 421 | for (i = 0; i < fs->group_desc_count; i++) { |
16ed5b3a | 422 | progress_update(&progress, i); |
3839e657 | 423 | |
19c78dc0 TT |
424 | blk = fs->group_desc[i].bg_inode_table; |
425 | num = fs->inode_blocks_per_group; | |
16ed5b3a | 426 | |
f5fa2007 TT |
427 | if (!(lazy_flag && |
428 | (fs->group_desc[i].bg_flags & EXT2_BG_INODE_UNINIT))) { | |
429 | retval = zero_blocks(fs, blk, num, 0, &blk, &num); | |
430 | if (retval) { | |
431 | fprintf(stderr, _("\nCould not write %d " | |
432 | "blocks in inode table starting at %u: %s\n"), | |
433 | num, blk, error_message(retval)); | |
434 | exit(1); | |
435 | } | |
19c78dc0 | 436 | } |
7d5633cf TT |
437 | if (sync_kludge) { |
438 | if (sync_kludge == 1) | |
439 | sync(); | |
440 | else if ((i % sync_kludge) == 0) | |
441 | sync(); | |
442 | } | |
3839e657 | 443 | } |
16ed5b3a TT |
444 | zero_blocks(0, 0, 0, 0, 0, 0); |
445 | progress_close(&progress); | |
3839e657 TT |
446 | } |
447 | ||
f5fa2007 TT |
448 | static void setup_lazy_bg(ext2_filsys fs) |
449 | { | |
450 | dgrp_t i; | |
451 | int blks; | |
452 | struct ext2_super_block *sb = fs->super; | |
453 | struct ext2_group_desc *bg = fs->group_desc; | |
454 | ||
455 | if (EXT2_HAS_COMPAT_FEATURE(fs->super, | |
456 | EXT2_FEATURE_COMPAT_LAZY_BG)) { | |
457 | for (i = 0; i < fs->group_desc_count; i++, bg++) { | |
458 | if ((i == 0) || | |
459 | (i == fs->group_desc_count-1)) | |
460 | continue; | |
461 | if (bg->bg_free_inodes_count == | |
462 | sb->s_inodes_per_group) { | |
463 | bg->bg_free_inodes_count = 0; | |
464 | bg->bg_flags |= EXT2_BG_INODE_UNINIT; | |
465 | sb->s_free_inodes_count -= | |
466 | sb->s_inodes_per_group; | |
467 | } | |
468 | blks = ext2fs_super_and_bgd_loc(fs, i, 0, 0, 0, 0); | |
469 | if (bg->bg_free_blocks_count == blks) { | |
470 | bg->bg_free_blocks_count = 0; | |
471 | bg->bg_flags |= EXT2_BG_BLOCK_UNINIT; | |
472 | sb->s_free_blocks_count -= blks; | |
473 | } | |
474 | } | |
475 | } | |
476 | } | |
477 | ||
478 | ||
3839e657 TT |
479 | static void create_root_dir(ext2_filsys fs) |
480 | { | |
5113a6e3 | 481 | errcode_t retval; |
f3db3566 | 482 | struct ext2_inode inode; |
5113a6e3 | 483 | __u32 uid, gid; |
3839e657 TT |
484 | |
485 | retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); | |
486 | if (retval) { | |
d9c56d3c | 487 | com_err("ext2fs_mkdir", retval, _("while creating root dir")); |
3839e657 TT |
488 | exit(1); |
489 | } | |
f3db3566 TT |
490 | if (geteuid()) { |
491 | retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); | |
492 | if (retval) { | |
493 | com_err("ext2fs_read_inode", retval, | |
d9c56d3c | 494 | _("while reading root inode")); |
f3db3566 TT |
495 | exit(1); |
496 | } | |
5113a6e3 ES |
497 | uid = getuid(); |
498 | inode.i_uid = uid; | |
15343922 | 499 | ext2fs_set_i_uid_high(inode, uid >> 16); |
5113a6e3 ES |
500 | if (uid) { |
501 | gid = getgid(); | |
502 | inode.i_gid = gid; | |
15343922 | 503 | ext2fs_set_i_gid_high(inode, gid >> 16); |
5113a6e3 | 504 | } |
e27b4563 | 505 | retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); |
f3db3566 TT |
506 | if (retval) { |
507 | com_err("ext2fs_write_inode", retval, | |
d9c56d3c | 508 | _("while setting root inode ownership")); |
f3db3566 TT |
509 | exit(1); |
510 | } | |
511 | } | |
3839e657 TT |
512 | } |
513 | ||
514 | static void create_lost_and_found(ext2_filsys fs) | |
515 | { | |
516 | errcode_t retval; | |
dfcdc32f | 517 | ext2_ino_t ino; |
3839e657 TT |
518 | const char *name = "lost+found"; |
519 | int i; | |
50787ea2 | 520 | int lpf_size = 0; |
3839e657 | 521 | |
6a525069 | 522 | fs->umask = 077; |
3839e657 TT |
523 | retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); |
524 | if (retval) { | |
d9c56d3c TT |
525 | com_err("ext2fs_mkdir", retval, |
526 | _("while creating /lost+found")); | |
3839e657 TT |
527 | exit(1); |
528 | } | |
529 | ||
530 | retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); | |
531 | if (retval) { | |
d9c56d3c TT |
532 | com_err("ext2_lookup", retval, |
533 | _("while looking up /lost+found")); | |
3839e657 TT |
534 | exit(1); |
535 | } | |
536 | ||
537 | for (i=1; i < EXT2_NDIR_BLOCKS; i++) { | |
8c7c6eb1 AD |
538 | /* Ensure that lost+found is at least 2 blocks, so we always |
539 | * test large empty blocks for big-block filesystems. */ | |
540 | if ((lpf_size += fs->blocksize) >= 16*1024 && | |
541 | lpf_size >= 2 * fs->blocksize) | |
50787ea2 | 542 | break; |
3839e657 TT |
543 | retval = ext2fs_expand_dir(fs, ino); |
544 | if (retval) { | |
545 | com_err("ext2fs_expand_dir", retval, | |
d9c56d3c | 546 | _("while expanding /lost+found")); |
3839e657 TT |
547 | exit(1); |
548 | } | |
6a525069 | 549 | } |
3839e657 TT |
550 | } |
551 | ||
552 | static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) | |
553 | { | |
554 | errcode_t retval; | |
555 | ||
f3db3566 | 556 | ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO); |
3839e657 TT |
557 | fs->group_desc[0].bg_free_inodes_count--; |
558 | fs->super->s_free_inodes_count--; | |
559 | retval = ext2fs_update_bb_inode(fs, bb_list); | |
560 | if (retval) { | |
561 | com_err("ext2fs_update_bb_inode", retval, | |
d9c56d3c | 562 | _("while setting bad block inode")); |
3839e657 TT |
563 | exit(1); |
564 | } | |
565 | ||
566 | } | |
567 | ||
568 | static void reserve_inodes(ext2_filsys fs) | |
569 | { | |
dfcdc32f TT |
570 | ext2_ino_t i; |
571 | int group; | |
3839e657 | 572 | |
7f88b043 | 573 | for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) { |
f3db3566 | 574 | ext2fs_mark_inode_bitmap(fs->inode_map, i); |
3839e657 TT |
575 | group = ext2fs_group_of_ino(fs, i); |
576 | fs->group_desc[group].bg_free_inodes_count--; | |
577 | fs->super->s_free_inodes_count--; | |
578 | } | |
579 | ext2fs_mark_ib_dirty(fs); | |
580 | } | |
581 | ||
756df353 | 582 | #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ |
7ef3bb83 | 583 | #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ |
756df353 | 584 | #define BSD_LABEL_OFFSET 64 |
756df353 | 585 | |
04a96857 | 586 | static void zap_sector(ext2_filsys fs, int sect, int nsect) |
f3db3566 | 587 | { |
3f85f65c | 588 | char *buf; |
f3db3566 | 589 | int retval; |
756df353 | 590 | unsigned int *magic; |
f3db3566 | 591 | |
3f85f65c | 592 | buf = malloc(512*nsect); |
568101f7 | 593 | if (!buf) { |
4ea7bd04 TT |
594 | printf(_("Out of memory erasing sectors %d-%d\n"), |
595 | sect, sect + nsect - 1); | |
568101f7 AD |
596 | exit(1); |
597 | } | |
756df353 | 598 | |
7ef3bb83 TT |
599 | if (sect == 0) { |
600 | /* Check for a BSD disklabel, and don't erase it if so */ | |
601 | retval = io_channel_read_blk(fs->io, 0, -512, buf); | |
602 | if (retval) | |
603 | fprintf(stderr, | |
604 | _("Warning: could not read block 0: %s\n"), | |
605 | error_message(retval)); | |
606 | else { | |
607 | magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); | |
608 | if ((*magic == BSD_DISKMAGIC) || | |
609 | (*magic == BSD_MAGICDISK)) | |
610 | return; | |
611 | } | |
756df353 | 612 | } |
756df353 | 613 | |
7098810d | 614 | memset(buf, 0, 512*nsect); |
e41784eb | 615 | io_channel_set_blksize(fs->io, 512); |
04a96857 | 616 | retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf); |
e41784eb | 617 | io_channel_set_blksize(fs->io, fs->blocksize); |
3f85f65c | 618 | free(buf); |
f3db3566 | 619 | if (retval) |
6693837e TT |
620 | fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), |
621 | sect, error_message(retval)); | |
f3db3566 | 622 | } |
16ed5b3a TT |
623 | |
624 | static void create_journal_dev(ext2_filsys fs) | |
625 | { | |
626 | struct progress_struct progress; | |
627 | errcode_t retval; | |
628 | char *buf; | |
dc2ec525 TT |
629 | blk_t blk; |
630 | int count; | |
16ed5b3a | 631 | |
d6a27e00 TT |
632 | retval = ext2fs_create_journal_superblock(fs, |
633 | fs->super->s_blocks_count, 0, &buf); | |
634 | if (retval) { | |
635 | com_err("create_journal_dev", retval, | |
636 | _("while initializing journal superblock")); | |
637 | exit(1); | |
638 | } | |
16ed5b3a TT |
639 | if (quiet) |
640 | memset(&progress, 0, sizeof(progress)); | |
641 | else | |
642 | progress_init(&progress, _("Zeroing journal device: "), | |
643 | fs->super->s_blocks_count); | |
644 | ||
16ed5b3a TT |
645 | retval = zero_blocks(fs, 0, fs->super->s_blocks_count, |
646 | &progress, &blk, &count); | |
647 | if (retval) { | |
648 | com_err("create_journal_dev", retval, | |
14bbcbc3 | 649 | _("while zeroing journal device (block %u, count %d)"), |
16ed5b3a TT |
650 | blk, count); |
651 | exit(1); | |
652 | } | |
dc2ec525 TT |
653 | zero_blocks(0, 0, 0, 0, 0, 0); |
654 | ||
dc2ec525 TT |
655 | retval = io_channel_write_blk(fs->io, |
656 | fs->super->s_first_data_block+1, | |
657 | 1, buf); | |
16ed5b3a TT |
658 | if (retval) { |
659 | com_err("create_journal_dev", retval, | |
660 | _("while writing journal superblock")); | |
661 | exit(1); | |
662 | } | |
663 | progress_close(&progress); | |
664 | } | |
f3db3566 | 665 | |
3839e657 TT |
666 | static void show_stats(ext2_filsys fs) |
667 | { | |
ef9abe5f | 668 | struct ext2_super_block *s = fs->super; |
1e3472c5 | 669 | char buf[80]; |
63253946 | 670 | char *os; |
3839e657 | 671 | blk_t group_block; |
54434927 TT |
672 | dgrp_t i; |
673 | int need, col_left; | |
3839e657 | 674 | |
9b9a780f | 675 | if (fs_param.s_blocks_count != s->s_blocks_count) |
8deb80a5 | 676 | fprintf(stderr, _("warning: %u blocks unused.\n\n"), |
9b9a780f | 677 | fs_param.s_blocks_count - s->s_blocks_count); |
50787ea2 TT |
678 | |
679 | memset(buf, 0, sizeof(buf)); | |
680 | strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); | |
d9c56d3c | 681 | printf(_("Filesystem label=%s\n"), buf); |
54434927 | 682 | fputs(_("OS type: "), stdout); |
63253946 TT |
683 | os = e2p_os2string(fs->super->s_creator_os); |
684 | fputs(os, stdout); | |
685 | free(os); | |
50787ea2 | 686 | printf("\n"); |
d9c56d3c | 687 | printf(_("Block size=%u (log=%u)\n"), fs->blocksize, |
50787ea2 | 688 | s->s_log_block_size); |
d9c56d3c | 689 | printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize, |
50787ea2 | 690 | s->s_log_frag_size); |
d9c56d3c | 691 | printf(_("%u inodes, %u blocks\n"), s->s_inodes_count, |
3839e657 | 692 | s->s_blocks_count); |
d9c56d3c | 693 | printf(_("%u blocks (%2.2f%%) reserved for the super user\n"), |
3839e657 TT |
694 | s->s_r_blocks_count, |
695 | 100.0 * s->s_r_blocks_count / s->s_blocks_count); | |
d9c56d3c | 696 | printf(_("First data block=%u\n"), s->s_first_data_block); |
d323f8fb TT |
697 | if (s->s_reserved_gdt_blocks) |
698 | printf(_("Maximum filesystem blocks=%lu\n"), | |
699 | (s->s_reserved_gdt_blocks + fs->desc_blocks) * | |
f2de1d38 | 700 | EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); |
d9c56d3c | 701 | if (fs->group_desc_count > 1) |
c8c071a0 | 702 | printf(_("%u block groups\n"), fs->group_desc_count); |
d9c56d3c | 703 | else |
c8c071a0 | 704 | printf(_("%u block group\n"), fs->group_desc_count); |
d9c56d3c | 705 | printf(_("%u blocks per group, %u fragments per group\n"), |
3839e657 | 706 | s->s_blocks_per_group, s->s_frags_per_group); |
d9c56d3c | 707 | printf(_("%u inodes per group\n"), s->s_inodes_per_group); |
3839e657 TT |
708 | |
709 | if (fs->group_desc_count == 1) { | |
710 | printf("\n"); | |
711 | return; | |
712 | } | |
d323f8fb | 713 | |
d9c56d3c | 714 | printf(_("Superblock backups stored on blocks: ")); |
3839e657 TT |
715 | group_block = s->s_first_data_block; |
716 | col_left = 0; | |
717 | for (i = 1; i < fs->group_desc_count; i++) { | |
718 | group_block += s->s_blocks_per_group; | |
521e3685 TT |
719 | if (!ext2fs_bg_has_super(fs, i)) |
720 | continue; | |
7671433a TT |
721 | if (i != 1) |
722 | printf(", "); | |
6733c2fd | 723 | need = int_log10(group_block) + 2; |
1dde43f0 | 724 | if (need > col_left) { |
3839e657 | 725 | printf("\n\t"); |
1dde43f0 | 726 | col_left = 72; |
3839e657 | 727 | } |
1dde43f0 | 728 | col_left -= need; |
a418d3ad | 729 | printf("%u", group_block); |
3839e657 TT |
730 | } |
731 | printf("\n\n"); | |
732 | } | |
733 | ||
1e3472c5 TT |
734 | /* |
735 | * Set the S_CREATOR_OS field. Return true if OS is known, | |
736 | * otherwise, 0. | |
737 | */ | |
738 | static int set_os(struct ext2_super_block *sb, char *os) | |
739 | { | |
740 | if (isdigit (*os)) | |
741 | sb->s_creator_os = atoi (os); | |
742 | else if (strcasecmp(os, "linux") == 0) | |
743 | sb->s_creator_os = EXT2_OS_LINUX; | |
744 | else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) | |
745 | sb->s_creator_os = EXT2_OS_HURD; | |
ea1e8f47 TT |
746 | else if (strcasecmp(os, "freebsd") == 0) |
747 | sb->s_creator_os = EXT2_OS_FREEBSD; | |
748 | else if (strcasecmp(os, "lites") == 0) | |
749 | sb->s_creator_os = EXT2_OS_LITES; | |
1e3472c5 TT |
750 | else |
751 | return 0; | |
752 | return 1; | |
753 | } | |
754 | ||
a418d3ad TT |
755 | #define PATH_SET "PATH=/sbin" |
756 | ||
c6a44136 TT |
757 | static void parse_extended_opts(struct ext2_super_block *param, |
758 | const char *opts) | |
a29f4d30 | 759 | { |
0c17cb25 | 760 | char *buf, *token, *next, *p, *arg, *badopt = ""; |
a29f4d30 | 761 | int len; |
d323f8fb | 762 | int r_usage = 0; |
a29f4d30 TT |
763 | |
764 | len = strlen(opts); | |
765 | buf = malloc(len+1); | |
766 | if (!buf) { | |
d323f8fb TT |
767 | fprintf(stderr, |
768 | _("Couldn't allocate memory to parse options!\n")); | |
a29f4d30 TT |
769 | exit(1); |
770 | } | |
771 | strcpy(buf, opts); | |
772 | for (token = buf; token && *token; token = next) { | |
773 | p = strchr(token, ','); | |
774 | next = 0; | |
775 | if (p) { | |
776 | *p = 0; | |
777 | next = p+1; | |
d323f8fb | 778 | } |
a29f4d30 TT |
779 | arg = strchr(token, '='); |
780 | if (arg) { | |
781 | *arg = 0; | |
782 | arg++; | |
783 | } | |
784 | if (strcmp(token, "stride") == 0) { | |
785 | if (!arg) { | |
d323f8fb | 786 | r_usage++; |
0c17cb25 | 787 | badopt = token; |
a29f4d30 TT |
788 | continue; |
789 | } | |
0c17cb25 TT |
790 | param->s_raid_stride = strtoul(arg, &p, 0); |
791 | if (*p || (param->s_raid_stride == 0)) { | |
d9c56d3c | 792 | fprintf(stderr, |
f37ab68a TT |
793 | _("Invalid stride parameter: %s\n"), |
794 | arg); | |
d323f8fb TT |
795 | r_usage++; |
796 | continue; | |
797 | } | |
0c17cb25 TT |
798 | } else if (strcmp(token, "stripe-width") == 0 || |
799 | strcmp(token, "stripe_width") == 0) { | |
800 | if (!arg) { | |
801 | r_usage++; | |
802 | badopt = token; | |
803 | continue; | |
804 | } | |
805 | param->s_raid_stripe_width = strtoul(arg, &p, 0); | |
806 | if (*p || (param->s_raid_stripe_width == 0)) { | |
807 | fprintf(stderr, | |
808 | _("Invalid stripe-width parameter: %s\n"), | |
809 | arg); | |
810 | r_usage++; | |
811 | continue; | |
812 | } | |
d323f8fb | 813 | } else if (!strcmp(token, "resize")) { |
c6a44136 TT |
814 | unsigned long resize, bpg, rsv_groups; |
815 | unsigned long group_desc_count, desc_blocks; | |
816 | unsigned int gdpb, blocksize; | |
817 | int rsv_gdb; | |
d323f8fb TT |
818 | |
819 | if (!arg) { | |
820 | r_usage++; | |
0c17cb25 | 821 | badopt = token; |
a29f4d30 TT |
822 | continue; |
823 | } | |
d323f8fb | 824 | |
55f4cbd9 TT |
825 | resize = parse_num_blocks(arg, |
826 | param->s_log_block_size); | |
d323f8fb TT |
827 | |
828 | if (resize == 0) { | |
55f4cbd9 TT |
829 | fprintf(stderr, |
830 | _("Invalid resize parameter: %s\n"), | |
831 | arg); | |
d323f8fb TT |
832 | r_usage++; |
833 | continue; | |
834 | } | |
c6a44136 TT |
835 | if (resize <= param->s_blocks_count) { |
836 | fprintf(stderr, | |
f37ab68a TT |
837 | _("The resize maximum must be greater " |
838 | "than the filesystem size.\n")); | |
c6a44136 TT |
839 | r_usage++; |
840 | continue; | |
841 | } | |
d323f8fb | 842 | |
c6a44136 TT |
843 | blocksize = EXT2_BLOCK_SIZE(param); |
844 | bpg = param->s_blocks_per_group; | |
845 | if (!bpg) | |
846 | bpg = blocksize * 8; | |
f2de1d38 | 847 | gdpb = EXT2_DESC_PER_BLOCK(param); |
69022e02 TT |
848 | group_desc_count = |
849 | ext2fs_div_ceil(param->s_blocks_count, bpg); | |
c6a44136 TT |
850 | desc_blocks = (group_desc_count + |
851 | gdpb - 1) / gdpb; | |
69022e02 TT |
852 | rsv_groups = ext2fs_div_ceil(resize, bpg); |
853 | rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - | |
c6a44136 | 854 | desc_blocks; |
9b9a780f | 855 | if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) |
c6a44136 TT |
856 | rsv_gdb = EXT2_ADDR_PER_BLOCK(param); |
857 | ||
858 | if (rsv_gdb > 0) { | |
b290d2dc TT |
859 | if (param->s_rev_level == EXT2_GOOD_OLD_REV) { |
860 | fprintf(stderr, | |
861 | _("On-line resizing not supported with revision 0 filesystems\n")); | |
21400381 | 862 | free(buf); |
b290d2dc TT |
863 | exit(1); |
864 | } | |
c6a44136 TT |
865 | param->s_feature_compat |= |
866 | EXT2_FEATURE_COMPAT_RESIZE_INODE; | |
867 | ||
868 | param->s_reserved_gdt_blocks = rsv_gdb; | |
869 | } | |
6cb27404 TT |
870 | } else if (!strcmp(token, "test_fs")) { |
871 | param->s_flags |= EXT2_FLAGS_TEST_FILESYS; | |
0c17cb25 | 872 | } else { |
d323f8fb | 873 | r_usage++; |
0c17cb25 TT |
874 | badopt = token; |
875 | } | |
a29f4d30 | 876 | } |
d323f8fb | 877 | if (r_usage) { |
0c17cb25 | 878 | fprintf(stderr, _("\nBad option(s) specified: %s\n\n" |
bb145b01 | 879 | "Extended options are separated by commas, " |
a29f4d30 TT |
880 | "and may take an argument which\n" |
881 | "\tis set off by an equals ('=') sign.\n\n" | |
bb145b01 | 882 | "Valid extended options are:\n" |
0c17cb25 TT |
883 | "\tstride=<RAID per-disk data chunk in blocks>\n" |
884 | "\tstripe-width=<RAID stride * data disks in blocks>\n" | |
885 | "\tresize=<resize maximum size in blocks>\n\n" | |
886 | "\ttest_fs\n"), | |
887 | badopt); | |
21400381 | 888 | free(buf); |
a29f4d30 TT |
889 | exit(1); |
890 | } | |
0c17cb25 TT |
891 | if (param->s_raid_stride && |
892 | (param->s_raid_stripe_width % param->s_raid_stride) != 0) | |
893 | fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " | |
894 | "multiple of stride %u.\n\n"), | |
895 | param->s_raid_stripe_width, param->s_raid_stride); | |
896 | ||
21400381 | 897 | free(buf); |
a29f4d30 TT |
898 | } |
899 | ||
896938d5 | 900 | static __u32 ok_features[3] = { |
558df544 | 901 | /* Compat */ |
843049c4 | 902 | EXT3_FEATURE_COMPAT_HAS_JOURNAL | |
d323f8fb | 903 | EXT2_FEATURE_COMPAT_RESIZE_INODE | |
f5fa2007 | 904 | EXT2_FEATURE_COMPAT_DIR_INDEX | |
0d1de232 | 905 | EXT2_FEATURE_COMPAT_LAZY_BG | |
558df544 TT |
906 | EXT2_FEATURE_COMPAT_EXT_ATTR, |
907 | /* Incompat */ | |
908 | EXT2_FEATURE_INCOMPAT_FILETYPE| | |
bf6b848e | 909 | EXT3_FEATURE_INCOMPAT_EXTENTS| |
c046ac7f | 910 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| |
c2d4300b JS |
911 | EXT2_FEATURE_INCOMPAT_META_BG| |
912 | EXT4_FEATURE_INCOMPAT_FLEX_BG, | |
558df544 TT |
913 | /* R/O compat */ |
914 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE| | |
915 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER | |
896938d5 | 916 | }; |
a29f4d30 TT |
917 | |
918 | ||
9dc6ad1e TT |
919 | static void syntax_err_report(const char *filename, long err, int line_num) |
920 | { | |
921 | fprintf(stderr, | |
922 | _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), | |
923 | filename, line_num, error_message(err)); | |
924 | exit(1); | |
925 | } | |
926 | ||
abcfdfda | 927 | static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; |
9dc6ad1e TT |
928 | |
929 | static void edit_feature(const char *str, __u32 *compat_array) | |
930 | { | |
931 | if (!str) | |
932 | return; | |
933 | ||
934 | if (e2p_edit_feature(str, compat_array, ok_features)) { | |
935 | fprintf(stderr, _("Invalid filesystem option set: %s\n"), | |
936 | str); | |
937 | exit(1); | |
938 | } | |
939 | } | |
940 | ||
d48bc604 TT |
941 | extern const char *mke2fs_default_profile; |
942 | static const char *default_files[] = { "<default>", 0 }; | |
943 | ||
3839e657 TT |
944 | static void PRS(int argc, char *argv[]) |
945 | { | |
c5290fae | 946 | int b, c; |
4a600566 | 947 | int size; |
9dc6ad1e | 948 | char *tmp, *tmp2; |
4a600566 TT |
949 | int blocksize = 0; |
950 | int inode_ratio = 0; | |
932a489c | 951 | int inode_size = 0; |
ce911145 | 952 | double reserved_ratio = 5.0; |
93d5c387 | 953 | int sector_size = 0; |
1e6e4c5e | 954 | int show_version_only = 0; |
de8f3a76 | 955 | unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ |
a418d3ad | 956 | errcode_t retval; |
4a600566 | 957 | char * oldpath = getenv("PATH"); |
c6a44136 | 958 | char * extended_opts = 0; |
4ea7bd04 | 959 | const char * fs_type = 0; |
4a600566 | 960 | blk_t dev_size; |
756df353 | 961 | #ifdef __linux__ |
4a600566 | 962 | struct utsname ut; |
2740156b | 963 | #endif |
31e29a12 | 964 | long sysval; |
9dc6ad1e TT |
965 | int s_opt = -1, r_opt = -1; |
966 | char *fs_features = 0; | |
967 | int use_bsize; | |
642935c0 TT |
968 | char *newpath; |
969 | int pathlen = sizeof(PATH_SET) + 1; | |
970 | ||
971 | if (oldpath) | |
972 | pathlen += strlen(oldpath); | |
973 | newpath = malloc(pathlen); | |
974 | strcpy(newpath, PATH_SET); | |
14bbcbc3 | 975 | |
3839e657 | 976 | /* Update our PATH to include /sbin */ |
a418d3ad | 977 | if (oldpath) { |
a418d3ad TT |
978 | strcat (newpath, ":"); |
979 | strcat (newpath, oldpath); | |
642935c0 TT |
980 | } |
981 | putenv (newpath); | |
3839e657 | 982 | |
16ed5b3a TT |
983 | tmp = getenv("MKE2FS_SYNC"); |
984 | if (tmp) | |
985 | sync_kludge = atoi(tmp); | |
31e29a12 TT |
986 | |
987 | /* Determine the system page size if possible */ | |
988 | #ifdef HAVE_SYSCONF | |
989 | #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) | |
990 | #define _SC_PAGESIZE _SC_PAGE_SIZE | |
991 | #endif | |
992 | #ifdef _SC_PAGESIZE | |
993 | sysval = sysconf(_SC_PAGESIZE); | |
aab6fe73 | 994 | if (sysval > 0) |
31e29a12 TT |
995 | sys_page_size = sysval; |
996 | #endif /* _SC_PAGESIZE */ | |
997 | #endif /* HAVE_SYSCONF */ | |
9dc6ad1e TT |
998 | |
999 | if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) | |
1000 | config_fn[0] = tmp; | |
1001 | profile_set_syntax_err_cb(syntax_err_report); | |
d48bc604 TT |
1002 | retval = profile_init(config_fn, &profile); |
1003 | if (retval == ENOENT) { | |
1004 | profile_init(default_files, &profile); | |
1005 | profile_set_default(profile, mke2fs_default_profile); | |
1006 | } | |
16ed5b3a | 1007 | |
3839e657 TT |
1008 | setbuf(stdout, NULL); |
1009 | setbuf(stderr, NULL); | |
a6d8302b TT |
1010 | add_error_table(&et_ext2_error_table); |
1011 | add_error_table(&et_prof_error_table); | |
9b9a780f TT |
1012 | memset(&fs_param, 0, sizeof(struct ext2_super_block)); |
1013 | fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ | |
843049c4 | 1014 | |
756df353 | 1015 | #ifdef __linux__ |
14bbcbc3 TT |
1016 | if (uname(&ut)) { |
1017 | perror("uname"); | |
1018 | exit(1); | |
1019 | } | |
d99225ec | 1020 | linux_version_code = parse_version_number(ut.release); |
9dc6ad1e | 1021 | if (linux_version_code && linux_version_code < (2*65536 + 2*256)) |
9b9a780f | 1022 | fs_param.s_rev_level = 0; |
14bbcbc3 | 1023 | #endif |
0072f8de AD |
1024 | |
1025 | if (argc && *argv) { | |
1026 | program_name = get_progname(*argv); | |
1027 | ||
1028 | /* If called as mkfs.ext3, create a journal inode */ | |
1029 | if (!strcmp(program_name, "mkfs.ext3")) | |
1030 | journal_size = -1; | |
1031 | } | |
1032 | ||
1e3472c5 | 1033 | while ((c = getopt (argc, argv, |
2524785d | 1034 | "b:cf:g:i:jl:m:no:qr:s:tvE:FI:J:L:M:N:O:R:ST:V")) != EOF) { |
3839e657 TT |
1035 | switch (c) { |
1036 | case 'b': | |
c5290fae TT |
1037 | blocksize = strtol(optarg, &tmp, 0); |
1038 | b = (blocksize > 0) ? blocksize : -blocksize; | |
1039 | if (b < EXT2_MIN_BLOCK_SIZE || | |
1040 | b > EXT2_MAX_BLOCK_SIZE || *tmp) { | |
d9c56d3c | 1041 | com_err(program_name, 0, |
f37ab68a | 1042 | _("invalid block size - %s"), optarg); |
3839e657 TT |
1043 | exit(1); |
1044 | } | |
932a489c AD |
1045 | if (blocksize > 4096) |
1046 | fprintf(stderr, _("Warning: blocksize %d not " | |
1047 | "usable on most systems.\n"), | |
1048 | blocksize); | |
c5290fae | 1049 | if (blocksize > 0) |
9b9a780f | 1050 | fs_param.s_log_block_size = |
c5290fae TT |
1051 | int_log2(blocksize >> |
1052 | EXT2_MIN_BLOCK_LOG_SIZE); | |
3839e657 | 1053 | break; |
b10fd5e8 TT |
1054 | case 'c': /* Check for bad blocks */ |
1055 | case 't': /* deprecated */ | |
3ed57c27 | 1056 | cflag++; |
3839e657 TT |
1057 | break; |
1058 | case 'f': | |
1059 | size = strtoul(optarg, &tmp, 0); | |
932a489c AD |
1060 | if (size < EXT2_MIN_BLOCK_SIZE || |
1061 | size > EXT2_MAX_BLOCK_SIZE || *tmp) { | |
d9c56d3c | 1062 | com_err(program_name, 0, |
bb145b01 | 1063 | _("invalid fragment size - %s"), |
3839e657 TT |
1064 | optarg); |
1065 | exit(1); | |
1066 | } | |
9b9a780f | 1067 | fs_param.s_log_frag_size = |
6733c2fd | 1068 | int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); |
6693837e | 1069 | fprintf(stderr, _("Warning: fragments not supported. " |
d9c56d3c | 1070 | "Ignoring -f option\n")); |
3839e657 TT |
1071 | break; |
1072 | case 'g': | |
9b9a780f | 1073 | fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); |
f3db3566 TT |
1074 | if (*tmp) { |
1075 | com_err(program_name, 0, | |
d9c56d3c | 1076 | _("Illegal number for blocks per group")); |
f3db3566 TT |
1077 | exit(1); |
1078 | } | |
9b9a780f | 1079 | if ((fs_param.s_blocks_per_group % 8) != 0) { |
f3db3566 | 1080 | com_err(program_name, 0, |
d9c56d3c | 1081 | _("blocks per group must be multiple of 8")); |
3839e657 TT |
1082 | exit(1); |
1083 | } | |
1084 | break; | |
1085 | case 'i': | |
1086 | inode_ratio = strtoul(optarg, &tmp, 0); | |
932a489c AD |
1087 | if (inode_ratio < EXT2_MIN_BLOCK_SIZE || |
1088 | inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || | |
3839e657 | 1089 | *tmp) { |
d9c56d3c | 1090 | com_err(program_name, 0, |
bb145b01 | 1091 | _("invalid inode ratio %s (min %d/max %d)"), |
932a489c AD |
1092 | optarg, EXT2_MIN_BLOCK_SIZE, |
1093 | EXT2_MAX_BLOCK_SIZE); | |
3839e657 TT |
1094 | exit(1); |
1095 | } | |
1096 | break; | |
dc2ec525 TT |
1097 | case 'J': |
1098 | parse_journal_opts(optarg); | |
1099 | break; | |
85ef4ae8 | 1100 | case 'j': |
dc2ec525 TT |
1101 | if (!journal_size) |
1102 | journal_size = -1; | |
8ddaa66b | 1103 | break; |
3839e657 | 1104 | case 'l': |
f3db3566 TT |
1105 | bad_blocks_filename = malloc(strlen(optarg)+1); |
1106 | if (!bad_blocks_filename) { | |
1107 | com_err(program_name, ENOMEM, | |
d9c56d3c | 1108 | _("in malloc for bad_blocks_filename")); |
f3db3566 TT |
1109 | exit(1); |
1110 | } | |
1111 | strcpy(bad_blocks_filename, optarg); | |
3839e657 TT |
1112 | break; |
1113 | case 'm': | |
ce911145 | 1114 | reserved_ratio = strtod(optarg, &tmp); |
3839e657 TT |
1115 | if (reserved_ratio > 50 || *tmp) { |
1116 | com_err(program_name, 0, | |
bb145b01 | 1117 | _("invalid reserved blocks percent - %s"), |
3839e657 TT |
1118 | optarg); |
1119 | exit(1); | |
1120 | } | |
1121 | break; | |
50787ea2 TT |
1122 | case 'n': |
1123 | noaction++; | |
1124 | break; | |
1e3472c5 TT |
1125 | case 'o': |
1126 | creator_os = optarg; | |
1127 | break; | |
2524785d AD |
1128 | case 'q': |
1129 | quiet = 1; | |
1130 | break; | |
7f88b043 | 1131 | case 'r': |
9dc6ad1e | 1132 | r_opt = strtoul(optarg, &tmp, 0); |
2524785d AD |
1133 | if (*tmp) { |
1134 | com_err(program_name, 0, | |
1135 | _("bad revision level - %s"), optarg); | |
1136 | exit(1); | |
1137 | } | |
9dc6ad1e | 1138 | fs_param.s_rev_level = r_opt; |
7f88b043 | 1139 | break; |
b10fd5e8 | 1140 | case 's': /* deprecated */ |
9dc6ad1e | 1141 | s_opt = atoi(optarg); |
521e3685 | 1142 | break; |
7f88b043 | 1143 | case 'I': |
932a489c AD |
1144 | inode_size = strtoul(optarg, &tmp, 0); |
1145 | if (*tmp) { | |
1146 | com_err(program_name, 0, | |
bb145b01 | 1147 | _("invalid inode size - %s"), optarg); |
932a489c AD |
1148 | exit(1); |
1149 | } | |
7f88b043 | 1150 | break; |
3839e657 TT |
1151 | case 'v': |
1152 | verbose = 1; | |
1153 | break; | |
74becf3c | 1154 | case 'F': |
c16e610c | 1155 | force++; |
74becf3c | 1156 | break; |
1e3472c5 TT |
1157 | case 'L': |
1158 | volume_label = optarg; | |
1159 | break; | |
1160 | case 'M': | |
1161 | mount_dir = optarg; | |
1162 | break; | |
2524785d AD |
1163 | case 'N': |
1164 | num_inodes = strtoul(optarg, &tmp, 0); | |
1165 | if (*tmp) { | |
1166 | com_err(program_name, 0, | |
1167 | _("bad num inodes - %s"), optarg); | |
1168 | exit(1); | |
1169 | } | |
1170 | break; | |
896938d5 | 1171 | case 'O': |
9dc6ad1e | 1172 | fs_features = optarg; |
896938d5 | 1173 | break; |
c6a44136 | 1174 | case 'E': |
a29f4d30 | 1175 | case 'R': |
c6a44136 | 1176 | extended_opts = optarg; |
a29f4d30 | 1177 | break; |
f3db3566 TT |
1178 | case 'S': |
1179 | super_only = 1; | |
1180 | break; | |
50787ea2 TT |
1181 | case 'T': |
1182 | fs_type = optarg; | |
1183 | break; | |
818180cd TT |
1184 | case 'V': |
1185 | /* Print version number and exit */ | |
1e6e4c5e TT |
1186 | show_version_only++; |
1187 | break; | |
3839e657 TT |
1188 | default: |
1189 | usage(); | |
1190 | } | |
3839e657 | 1191 | } |
55f4cbd9 | 1192 | if ((optind == argc) && !show_version_only) |
3839e657 | 1193 | usage(); |
55f4cbd9 | 1194 | device_name = argv[optind++]; |
a418d3ad | 1195 | |
1e6e4c5e | 1196 | if (!quiet || show_version_only) |
3879857e TT |
1197 | fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, |
1198 | E2FSPROGS_DATE); | |
1199 | ||
1e6e4c5e TT |
1200 | if (show_version_only) { |
1201 | fprintf(stderr, _("\tUsing %s\n"), | |
1202 | error_message(EXT2_ET_BASE)); | |
1203 | exit(0); | |
1204 | } | |
1205 | ||
77dc4eb0 TT |
1206 | /* |
1207 | * If there's no blocksize specified and there is a journal | |
1208 | * device, use it to figure out the blocksize | |
1209 | */ | |
c5290fae | 1210 | if (blocksize <= 0 && journal_device) { |
77dc4eb0 | 1211 | ext2_filsys jfs; |
a7ccdff8 | 1212 | io_manager io_ptr; |
77dc4eb0 | 1213 | |
a7ccdff8 TT |
1214 | #ifdef CONFIG_TESTIO_DEBUG |
1215 | io_ptr = test_io_manager; | |
1216 | test_io_backing_manager = unix_io_manager; | |
1217 | #else | |
1218 | io_ptr = unix_io_manager; | |
1219 | #endif | |
77dc4eb0 TT |
1220 | retval = ext2fs_open(journal_device, |
1221 | EXT2_FLAG_JOURNAL_DEV_OK, 0, | |
a7ccdff8 | 1222 | 0, io_ptr, &jfs); |
77dc4eb0 TT |
1223 | if (retval) { |
1224 | com_err(program_name, retval, | |
1225 | _("while trying to open journal device %s\n"), | |
1226 | journal_device); | |
1227 | exit(1); | |
1228 | } | |
54434927 | 1229 | if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { |
c5290fae | 1230 | com_err(program_name, 0, |
ddc32a04 | 1231 | _("Journal dev blocksize (%d) smaller than " |
c5290fae TT |
1232 | "minimum blocksize %d\n"), jfs->blocksize, |
1233 | -blocksize); | |
1234 | exit(1); | |
1235 | } | |
77dc4eb0 | 1236 | blocksize = jfs->blocksize; |
9b9a780f | 1237 | fs_param.s_log_block_size = |
77dc4eb0 TT |
1238 | int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); |
1239 | ext2fs_close(jfs); | |
1240 | } | |
dc2ec525 | 1241 | |
31e29a12 | 1242 | if (blocksize > sys_page_size) { |
932a489c AD |
1243 | if (!force) { |
1244 | com_err(program_name, 0, | |
1245 | _("%d-byte blocks too big for system (max %d)"), | |
31e29a12 | 1246 | blocksize, sys_page_size); |
932a489c AD |
1247 | proceed_question(); |
1248 | } | |
1249 | fprintf(stderr, _("Warning: %d-byte blocks too big for system " | |
1250 | "(max %d), forced to continue\n"), | |
31e29a12 | 1251 | blocksize, sys_page_size); |
932a489c | 1252 | } |
55f4cbd9 | 1253 | if (optind < argc) { |
9b9a780f TT |
1254 | fs_param.s_blocks_count = parse_num_blocks(argv[optind++], |
1255 | fs_param.s_log_block_size); | |
1256 | if (!fs_param.s_blocks_count) { | |
f37ab68a | 1257 | com_err(program_name, 0, _("invalid blocks count - %s"), |
55f4cbd9 TT |
1258 | argv[optind - 1]); |
1259 | exit(1); | |
1260 | } | |
1261 | } | |
1262 | if (optind < argc) | |
1263 | usage(); | |
1264 | ||
74becf3c | 1265 | if (!force) |
8ddaa66b | 1266 | check_plausibility(device_name); |
63985320 | 1267 | check_mount(device_name, force, _("filesystem")); |
a418d3ad | 1268 | |
9b9a780f | 1269 | fs_param.s_log_frag_size = fs_param.s_log_block_size; |
3839e657 | 1270 | |
9b9a780f TT |
1271 | if (noaction && fs_param.s_blocks_count) { |
1272 | dev_size = fs_param.s_blocks_count; | |
50787ea2 | 1273 | retval = 0; |
20953129 TT |
1274 | } else { |
1275 | retry: | |
50787ea2 | 1276 | retval = ext2fs_get_device_size(device_name, |
9b9a780f | 1277 | EXT2_BLOCK_SIZE(&fs_param), |
50787ea2 | 1278 | &dev_size); |
20953129 TT |
1279 | if ((retval == EFBIG) && |
1280 | (blocksize == 0) && | |
9b9a780f TT |
1281 | (fs_param.s_log_block_size == 0)) { |
1282 | fs_param.s_log_block_size = 2; | |
20953129 TT |
1283 | blocksize = 4096; |
1284 | goto retry; | |
1285 | } | |
1286 | } | |
1287 | ||
a789d840 TT |
1288 | if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { |
1289 | com_err(program_name, retval, | |
d9c56d3c | 1290 | _("while trying to determine filesystem size")); |
a789d840 TT |
1291 | exit(1); |
1292 | } | |
9b9a780f | 1293 | if (!fs_param.s_blocks_count) { |
a789d840 TT |
1294 | if (retval == EXT2_ET_UNIMPLEMENTED) { |
1295 | com_err(program_name, 0, | |
d9c56d3c | 1296 | _("Couldn't determine device size; you " |
a789d840 | 1297 | "must specify\nthe size of the " |
d9c56d3c | 1298 | "filesystem\n")); |
a418d3ad | 1299 | exit(1); |
26ab5315 TT |
1300 | } else { |
1301 | if (dev_size == 0) { | |
1302 | com_err(program_name, 0, | |
1303 | _("Device size reported to be zero. " | |
1304 | "Invalid partition specified, or\n\t" | |
1305 | "partition table wasn't reread " | |
1306 | "after running fdisk, due to\n\t" | |
1307 | "a modified partition being busy " | |
1308 | "and in use. You may need to reboot\n\t" | |
1309 | "to re-read your partition table.\n" | |
1310 | )); | |
1311 | exit(1); | |
1312 | } | |
9b9a780f TT |
1313 | fs_param.s_blocks_count = dev_size; |
1314 | if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) | |
1315 | fs_param.s_blocks_count &= ~((sys_page_size / | |
1316 | EXT2_BLOCK_SIZE(&fs_param))-1); | |
26ab5315 TT |
1317 | } |
1318 | ||
9b9a780f | 1319 | } else if (!force && (fs_param.s_blocks_count > dev_size)) { |
a789d840 | 1320 | com_err(program_name, 0, |
c5290fae | 1321 | _("Filesystem larger than apparent device size.")); |
a789d840 | 1322 | proceed_question(); |
a418d3ad | 1323 | } |
3839e657 | 1324 | |
9dc6ad1e | 1325 | if (!fs_type) { |
d1b4b85c | 1326 | int megs = (__u64)fs_param.s_blocks_count * |
9dc6ad1e TT |
1327 | (EXT2_BLOCK_SIZE(&fs_param) / 1024) / 1024; |
1328 | ||
e066150a BB |
1329 | if (fs_param.s_feature_incompat & |
1330 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) | |
1331 | fs_type = "journal"; | |
1332 | else if (megs <= 3) | |
9dc6ad1e TT |
1333 | fs_type = "floppy"; |
1334 | else if (megs <= 512) | |
1335 | fs_type = "small"; | |
1336 | else | |
1337 | fs_type = "default"; | |
1338 | } | |
1339 | ||
1340 | /* Figure out what features should be enabled */ | |
1341 | ||
b290d2dc TT |
1342 | tmp = tmp2 = NULL; |
1343 | if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { | |
1344 | profile_get_string(profile, "defaults", "base_features", 0, | |
a25d231a ES |
1345 | "sparse_super,filetype,resize_inode,dir_index", |
1346 | &tmp); | |
b290d2dc TT |
1347 | profile_get_string(profile, "fs_types", fs_type, |
1348 | "base_features", tmp, &tmp2); | |
1349 | edit_feature(tmp2, &fs_param.s_feature_compat); | |
1350 | free(tmp); | |
1351 | free(tmp2); | |
1352 | ||
1353 | tmp = tmp2 = NULL; | |
1354 | profile_get_string(profile, "defaults", "default_features", 0, | |
1355 | "", &tmp); | |
1356 | profile_get_string(profile, "fs_types", fs_type, | |
1357 | "default_features", tmp, &tmp2); | |
1358 | } | |
1359 | edit_feature(fs_features ? fs_features : tmp2, | |
1360 | &fs_param.s_feature_compat); | |
1361 | if (tmp) | |
1362 | free(tmp); | |
1363 | if (tmp2) | |
1364 | free(tmp2); | |
1365 | ||
1366 | if (r_opt == EXT2_GOOD_OLD_REV && | |
1367 | (fs_param.s_feature_compat || fs_param.s_feature_incompat || | |
1368 | fs_param.s_feature_incompat)) { | |
9dc6ad1e TT |
1369 | fprintf(stderr, _("Filesystem features not supported " |
1370 | "with revision 0 filesystems\n")); | |
1371 | exit(1); | |
1372 | } | |
1373 | ||
b290d2dc TT |
1374 | if (s_opt > 0) { |
1375 | if (r_opt == EXT2_GOOD_OLD_REV) { | |
1376 | fprintf(stderr, _("Sparse superblocks not supported " | |
1377 | "with revision 0 filesystems\n")); | |
1378 | exit(1); | |
1379 | } | |
9dc6ad1e TT |
1380 | fs_param.s_feature_ro_compat |= |
1381 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; | |
b290d2dc | 1382 | } else if (s_opt == 0) |
9dc6ad1e TT |
1383 | fs_param.s_feature_ro_compat &= |
1384 | ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; | |
1385 | ||
b290d2dc TT |
1386 | if (journal_size != 0) { |
1387 | if (r_opt == EXT2_GOOD_OLD_REV) { | |
1388 | fprintf(stderr, _("Journals not supported " | |
1389 | "with revision 0 filesystems\n")); | |
1390 | exit(1); | |
1391 | } | |
9dc6ad1e TT |
1392 | fs_param.s_feature_compat |= |
1393 | EXT3_FEATURE_COMPAT_HAS_JOURNAL; | |
b290d2dc | 1394 | } |
9dc6ad1e TT |
1395 | |
1396 | if (fs_param.s_feature_incompat & | |
1397 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { | |
9dc6ad1e TT |
1398 | reserved_ratio = 0; |
1399 | fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; | |
1400 | fs_param.s_feature_compat = 0; | |
1401 | fs_param.s_feature_ro_compat = 0; | |
1402 | } | |
1403 | ||
c046ac7f TT |
1404 | /* Set first meta blockgroup via an environment variable */ |
1405 | /* (this is mostly for debugging purposes) */ | |
9b9a780f | 1406 | if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && |
c046ac7f | 1407 | ((tmp = getenv("MKE2FS_FIRST_META_BG")))) |
9b9a780f | 1408 | fs_param.s_first_meta_bg = atoi(tmp); |
c046ac7f | 1409 | |
93d5c387 TT |
1410 | /* Get the hardware sector size, if available */ |
1411 | retval = ext2fs_get_device_sectsize(device_name, §or_size); | |
1412 | if (retval) { | |
1413 | com_err(program_name, retval, | |
1414 | _("while trying to determine hardware sector size")); | |
1415 | exit(1); | |
1416 | } | |
1cca86f5 | 1417 | |
54434927 | 1418 | if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL) |
1cca86f5 | 1419 | sector_size = atoi(tmp); |
93d5c387 | 1420 | |
9dc6ad1e TT |
1421 | if (blocksize <= 0) { |
1422 | profile_get_integer(profile, "defaults", "blocksize", 0, | |
a25d231a | 1423 | 4096, &use_bsize); |
9dc6ad1e TT |
1424 | profile_get_integer(profile, "fs_types", fs_type, |
1425 | "blocksize", use_bsize, &use_bsize); | |
1426 | ||
1427 | if (use_bsize == -1) { | |
1428 | use_bsize = sys_page_size; | |
1429 | if ((linux_version_code < (2*65536 + 6*256)) && | |
1430 | (use_bsize > 4096)) | |
1431 | use_bsize = 4096; | |
1432 | } | |
1433 | if (sector_size && use_bsize < sector_size) | |
1434 | use_bsize = sector_size; | |
1435 | if ((blocksize < 0) && (use_bsize < (-blocksize))) | |
1436 | use_bsize = -blocksize; | |
1437 | blocksize = use_bsize; | |
1438 | fs_param.s_blocks_count /= blocksize / 1024; | |
1439 | } | |
1440 | ||
1441 | if (inode_ratio == 0) { | |
1442 | profile_get_integer(profile, "defaults", "inode_ratio", 0, | |
1443 | 8192, &inode_ratio); | |
1444 | profile_get_integer(profile, "fs_types", fs_type, | |
1445 | "inode_ratio", inode_ratio, | |
1446 | &inode_ratio); | |
1447 | ||
1448 | if (inode_ratio < blocksize) | |
1449 | inode_ratio = blocksize; | |
1450 | } | |
1451 | ||
1452 | fs_param.s_log_frag_size = fs_param.s_log_block_size = | |
1453 | int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); | |
1454 | ||
9b9a780f | 1455 | blocksize = EXT2_BLOCK_SIZE(&fs_param); |
c5290fae | 1456 | |
c6a44136 | 1457 | if (extended_opts) |
9b9a780f | 1458 | parse_extended_opts(&fs_param, extended_opts); |
d323f8fb TT |
1459 | |
1460 | /* Since sparse_super is the default, we would only have a problem | |
1461 | * here if it was explicitly disabled. | |
1462 | */ | |
9b9a780f TT |
1463 | if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && |
1464 | !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { | |
d323f8fb TT |
1465 | com_err(program_name, 0, |
1466 | _("reserved online resize blocks not supported " | |
1467 | "on non-sparse filesystem")); | |
1468 | exit(1); | |
1469 | } | |
1470 | ||
9b9a780f TT |
1471 | if (fs_param.s_blocks_per_group) { |
1472 | if (fs_param.s_blocks_per_group < 256 || | |
1473 | fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { | |
521e3685 | 1474 | com_err(program_name, 0, |
d9c56d3c | 1475 | _("blocks per group count out of range")); |
521e3685 TT |
1476 | exit(1); |
1477 | } | |
1478 | } | |
1479 | ||
067911ae AD |
1480 | if (inode_size == 0) { |
1481 | profile_get_integer(profile, "defaults", "inode_size", NULL, | |
1482 | 0, &inode_size); | |
1483 | profile_get_integer(profile, "fs_types", fs_type, | |
1484 | "inode_size", inode_size, | |
1485 | &inode_size); | |
1486 | } | |
1487 | ||
1488 | if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { | |
932a489c | 1489 | if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || |
9b9a780f | 1490 | inode_size > EXT2_BLOCK_SIZE(&fs_param) || |
932a489c AD |
1491 | inode_size & (inode_size - 1)) { |
1492 | com_err(program_name, 0, | |
bb145b01 | 1493 | _("invalid inode size %d (min %d/max %d)"), |
932a489c | 1494 | inode_size, EXT2_GOOD_OLD_INODE_SIZE, |
c5290fae | 1495 | blocksize); |
932a489c AD |
1496 | exit(1); |
1497 | } | |
9b9a780f | 1498 | fs_param.s_inode_size = inode_size; |
932a489c AD |
1499 | } |
1500 | ||
f3358643 ES |
1501 | /* Make sure number of inodes specified will fit in 32 bits */ |
1502 | if (num_inodes == 0) { | |
de8f3a76 AD |
1503 | unsigned long long n; |
1504 | n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio; | |
f3358643 ES |
1505 | if (n > ~0U) { |
1506 | com_err(program_name, 0, | |
1507 | _("too many inodes (%llu), raise inode ratio?"), n); | |
1508 | exit(1); | |
1509 | } | |
1510 | } else if (num_inodes > ~0U) { | |
1511 | com_err(program_name, 0, | |
1512 | _("too many inodes (%llu), specify < 2^32 inodes"), | |
de8f3a76 | 1513 | num_inodes); |
f3358643 ES |
1514 | exit(1); |
1515 | } | |
3839e657 TT |
1516 | /* |
1517 | * Calculate number of inodes based on the inode ratio | |
1518 | */ | |
9b9a780f TT |
1519 | fs_param.s_inodes_count = num_inodes ? num_inodes : |
1520 | ((__u64) fs_param.s_blocks_count * blocksize) | |
f3db3566 | 1521 | / inode_ratio; |
3839e657 | 1522 | |
dcf7b091 AD |
1523 | if ((((long long)fs_param.s_inodes_count) * |
1524 | (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= | |
1525 | (((long long)fs_param.s_blocks_count) * | |
1526 | EXT2_BLOCK_SIZE(&fs_param))) { | |
1527 | com_err(program_name, 0, _("inode_size (%u) * inodes_count " | |
1528 | "(%u) too big for a\n\t" | |
1529 | "filesystem with %lu blocks, " | |
1530 | "specify higher inode_ratio (-i)\n\t" | |
1531 | "or lower inode count (-N).\n"), | |
1532 | inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, | |
de8f3a76 AD |
1533 | fs_param.s_inodes_count, |
1534 | (unsigned long) fs_param.s_blocks_count); | |
dcf7b091 AD |
1535 | exit(1); |
1536 | } | |
1537 | ||
3839e657 TT |
1538 | /* |
1539 | * Calculate number of blocks to reserve | |
1540 | */ | |
a8862d9e TT |
1541 | fs_param.s_r_blocks_count = e2p_percent(reserved_ratio, |
1542 | fs_param.s_blocks_count); | |
3839e657 | 1543 | } |
d323f8fb | 1544 | |
3839e657 TT |
1545 | int main (int argc, char *argv[]) |
1546 | { | |
1547 | errcode_t retval = 0; | |
1548 | ext2_filsys fs; | |
1549 | badblocks_list bb_list = 0; | |
d4e0b1c6 | 1550 | unsigned int journal_blocks; |
54434927 TT |
1551 | unsigned int i; |
1552 | int val; | |
a7ccdff8 | 1553 | io_manager io_ptr; |
d9c56d3c TT |
1554 | |
1555 | #ifdef ENABLE_NLS | |
1556 | setlocale(LC_MESSAGES, ""); | |
14308a53 | 1557 | setlocale(LC_CTYPE, ""); |
d9c56d3c TT |
1558 | bindtextdomain(NLS_CAT_NAME, LOCALEDIR); |
1559 | textdomain(NLS_CAT_NAME); | |
1560 | #endif | |
3839e657 TT |
1561 | PRS(argc, argv); |
1562 | ||
a7ccdff8 TT |
1563 | #ifdef CONFIG_TESTIO_DEBUG |
1564 | io_ptr = test_io_manager; | |
1565 | test_io_backing_manager = unix_io_manager; | |
1566 | #else | |
1567 | io_ptr = unix_io_manager; | |
1568 | #endif | |
1569 | ||
3839e657 TT |
1570 | /* |
1571 | * Initialize the superblock.... | |
1572 | */ | |
616059bf | 1573 | retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param, |
a7ccdff8 | 1574 | io_ptr, &fs); |
3839e657 | 1575 | if (retval) { |
d9c56d3c | 1576 | com_err(device_name, retval, _("while setting up superblock")); |
3839e657 TT |
1577 | exit(1); |
1578 | } | |
1579 | ||
6cb27404 TT |
1580 | if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) |
1581 | fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; | |
1582 | ||
e41784eb TT |
1583 | /* |
1584 | * Wipe out the old on-disk superblock | |
1585 | */ | |
04a96857 TT |
1586 | if (!noaction) |
1587 | zap_sector(fs, 2, 6); | |
e41784eb | 1588 | |
1e3472c5 TT |
1589 | /* |
1590 | * Generate a UUID for it... | |
1591 | */ | |
ef9abe5f | 1592 | uuid_generate(fs->super->s_uuid); |
1e3472c5 | 1593 | |
843049c4 TT |
1594 | /* |
1595 | * Initialize the directory index variables | |
1596 | */ | |
1597 | fs->super->s_def_hash_version = EXT2_HASH_TEA; | |
1598 | uuid_generate((unsigned char *) fs->super->s_hash_seed); | |
1599 | ||
44c09c04 TT |
1600 | /* |
1601 | * Add "jitter" to the superblock's check interval so that we | |
1602 | * don't check all the filesystems at the same time. We use a | |
1603 | * kludgy hack of using the UUID to derive a random jitter value. | |
1604 | */ | |
1605 | for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) | |
1606 | val += fs->super->s_uuid[i]; | |
1607 | fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; | |
1608 | ||
1e3472c5 TT |
1609 | /* |
1610 | * Override the creator OS, if applicable | |
1611 | */ | |
1612 | if (creator_os && !set_os(fs->super, creator_os)) { | |
d9c56d3c | 1613 | com_err (program_name, 0, _("unknown os - %s"), creator_os); |
1e3472c5 TT |
1614 | exit(1); |
1615 | } | |
1616 | ||
4ea0a110 TT |
1617 | /* |
1618 | * For the Hurd, we will turn off filetype since it doesn't | |
1619 | * support it. | |
1620 | */ | |
1621 | if (fs->super->s_creator_os == EXT2_OS_HURD) | |
1622 | fs->super->s_feature_incompat &= | |
1623 | ~EXT2_FEATURE_INCOMPAT_FILETYPE; | |
1624 | ||
1e3472c5 TT |
1625 | /* |
1626 | * Set the volume label... | |
1627 | */ | |
1628 | if (volume_label) { | |
ef9abe5f TT |
1629 | memset(fs->super->s_volume_name, 0, |
1630 | sizeof(fs->super->s_volume_name)); | |
1631 | strncpy(fs->super->s_volume_name, volume_label, | |
1632 | sizeof(fs->super->s_volume_name)); | |
1e3472c5 TT |
1633 | } |
1634 | ||
1635 | /* | |
1636 | * Set the last mount directory | |
1637 | */ | |
1638 | if (mount_dir) { | |
ef9abe5f TT |
1639 | memset(fs->super->s_last_mounted, 0, |
1640 | sizeof(fs->super->s_last_mounted)); | |
1641 | strncpy(fs->super->s_last_mounted, mount_dir, | |
1642 | sizeof(fs->super->s_last_mounted)); | |
1e3472c5 TT |
1643 | } |
1644 | ||
50787ea2 | 1645 | if (!quiet || noaction) |
3839e657 TT |
1646 | show_stats(fs); |
1647 | ||
50787ea2 TT |
1648 | if (noaction) |
1649 | exit(0); | |
1650 | ||
16ed5b3a TT |
1651 | if (fs->super->s_feature_incompat & |
1652 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { | |
1653 | create_journal_dev(fs); | |
568101f7 | 1654 | exit(ext2fs_close(fs) ? 1 : 0); |
16ed5b3a TT |
1655 | } |
1656 | ||
3839e657 TT |
1657 | if (bad_blocks_filename) |
1658 | read_bb_file(fs, &bb_list, bad_blocks_filename); | |
1659 | if (cflag) | |
1660 | test_disk(fs, &bb_list); | |
1661 | ||
1662 | handle_bad_blocks(fs, bb_list); | |
0c17cb25 | 1663 | fs->stride = fs_stride = fs->super->s_raid_stride; |
19c78dc0 TT |
1664 | retval = ext2fs_allocate_tables(fs); |
1665 | if (retval) { | |
1666 | com_err(program_name, retval, | |
d9c56d3c | 1667 | _("while trying to allocate filesystem tables")); |
19c78dc0 TT |
1668 | exit(1); |
1669 | } | |
f3db3566 TT |
1670 | if (super_only) { |
1671 | fs->super->s_state |= EXT2_ERROR_FS; | |
1672 | fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); | |
1673 | } else { | |
59f27247 | 1674 | /* rsv must be a power of two (64kB is MD RAID sb alignment) */ |
54434927 | 1675 | unsigned int rsv = 65536 / fs->blocksize; |
1400bbb6 | 1676 | unsigned long blocks = fs->super->s_blocks_count; |
59f27247 | 1677 | unsigned long start; |
1400bbb6 TT |
1678 | blk_t ret_blk; |
1679 | ||
1680 | #ifdef ZAP_BOOTBLOCK | |
04a96857 | 1681 | zap_sector(fs, 0, 2); |
1400bbb6 | 1682 | #endif |
59f27247 | 1683 | |
1400bbb6 TT |
1684 | /* |
1685 | * Wipe out any old MD RAID (or other) metadata at the end | |
1686 | * of the device. This will also verify that the device is | |
59f27247 | 1687 | * as large as we think. Be careful with very small devices. |
1400bbb6 | 1688 | */ |
59f27247 AD |
1689 | start = (blocks & ~(rsv - 1)); |
1690 | if (start > rsv) | |
1691 | start -= rsv; | |
1692 | if (start > 0) | |
1693 | retval = zero_blocks(fs, start, blocks - start, | |
1694 | NULL, &ret_blk, NULL); | |
1695 | ||
1400bbb6 TT |
1696 | if (retval) { |
1697 | com_err(program_name, retval, | |
f044b4d8 | 1698 | _("while zeroing block %u at end of filesystem"), |
1400bbb6 | 1699 | ret_blk); |
1400bbb6 | 1700 | } |
f5fa2007 | 1701 | setup_lazy_bg(fs); |
19c78dc0 | 1702 | write_inode_tables(fs); |
f3db3566 TT |
1703 | create_root_dir(fs); |
1704 | create_lost_and_found(fs); | |
1705 | reserve_inodes(fs); | |
1706 | create_bad_block_inode(fs, bb_list); | |
ea774315 TT |
1707 | if (fs->super->s_feature_compat & |
1708 | EXT2_FEATURE_COMPAT_RESIZE_INODE) { | |
1709 | retval = ext2fs_create_resize_inode(fs); | |
1710 | if (retval) { | |
1711 | com_err("ext2fs_create_resize_inode", retval, | |
d323f8fb | 1712 | _("while reserving blocks for online resize")); |
ea774315 TT |
1713 | exit(1); |
1714 | } | |
d323f8fb | 1715 | } |
f3db3566 | 1716 | } |
8ddaa66b | 1717 | |
16ed5b3a TT |
1718 | if (journal_device) { |
1719 | ext2_filsys jfs; | |
1720 | ||
8ddaa66b TT |
1721 | if (!force) |
1722 | check_plausibility(journal_device); | |
63985320 | 1723 | check_mount(journal_device, force, _("journal")); |
8ddaa66b | 1724 | |
16ed5b3a TT |
1725 | retval = ext2fs_open(journal_device, EXT2_FLAG_RW| |
1726 | EXT2_FLAG_JOURNAL_DEV_OK, 0, | |
1727 | fs->blocksize, unix_io_manager, &jfs); | |
1728 | if (retval) { | |
1729 | com_err(program_name, retval, | |
1730 | _("while trying to open journal device %s\n"), | |
1731 | journal_device); | |
1732 | exit(1); | |
1733 | } | |
93345d15 | 1734 | if (!quiet) { |
77dc4eb0 | 1735 | printf(_("Adding journal to device %s: "), |
8ddaa66b | 1736 | journal_device); |
93345d15 TT |
1737 | fflush(stdout); |
1738 | } | |
16ed5b3a TT |
1739 | retval = ext2fs_add_journal_device(fs, jfs); |
1740 | if(retval) { | |
8ddaa66b | 1741 | com_err (program_name, retval, |
1d08d9bf | 1742 | _("\n\twhile trying to add journal to device %s"), |
8ddaa66b TT |
1743 | journal_device); |
1744 | exit(1); | |
1745 | } | |
1746 | if (!quiet) | |
1747 | printf(_("done\n")); | |
16ed5b3a | 1748 | ext2fs_close(jfs); |
2d15576d | 1749 | free(journal_device); |
9dc6ad1e TT |
1750 | } else if ((journal_size) || |
1751 | (fs_param.s_feature_compat & | |
1752 | EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { | |
2537b6d0 | 1753 | journal_blocks = figure_journal_size(journal_size, fs); |
93345d15 TT |
1754 | |
1755 | if (!journal_blocks) { | |
1756 | fs->super->s_feature_compat &= | |
1757 | ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; | |
1758 | goto no_journal; | |
1759 | } | |
1760 | if (!quiet) { | |
d4e0b1c6 | 1761 | printf(_("Creating journal (%u blocks): "), |
16ad3334 | 1762 | journal_blocks); |
93345d15 TT |
1763 | fflush(stdout); |
1764 | } | |
63985320 TT |
1765 | retval = ext2fs_add_journal_inode(fs, journal_blocks, |
1766 | journal_flags); | |
85ef4ae8 TT |
1767 | if (retval) { |
1768 | com_err (program_name, retval, | |
1d08d9bf | 1769 | _("\n\twhile trying to create journal")); |
85ef4ae8 TT |
1770 | exit(1); |
1771 | } | |
1772 | if (!quiet) | |
1773 | printf(_("done\n")); | |
1774 | } | |
93345d15 TT |
1775 | no_journal: |
1776 | ||
3839e657 | 1777 | if (!quiet) |
d9c56d3c TT |
1778 | printf(_("Writing superblocks and " |
1779 | "filesystem accounting information: ")); | |
5d45d803 TT |
1780 | retval = ext2fs_flush(fs); |
1781 | if (retval) { | |
6693837e TT |
1782 | fprintf(stderr, |
1783 | _("\nWarning, had trouble writing out superblocks.")); | |
5d45d803 | 1784 | } |
93345d15 | 1785 | if (!quiet) { |
2537b6d0 | 1786 | printf(_("done\n\n")); |
1cca86f5 TT |
1787 | if (!getenv("MKE2FS_SKIP_CHECK_MSG")) |
1788 | print_check_message(fs); | |
93345d15 | 1789 | } |
568101f7 | 1790 | val = ext2fs_close(fs); |
a6d8302b TT |
1791 | remove_error_table(&et_ext2_error_table); |
1792 | remove_error_table(&et_prof_error_table); | |
568101f7 | 1793 | return (retval || val) ? 1 : 0; |
3839e657 | 1794 | } |