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Commit | Line | Data |
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3839e657 TT |
1 | /* |
2 | * mke2fs.c - Make a ext2fs filesystem. | |
3 | * | |
19c78dc0 TT |
4 | * Copyright (C) 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% | |
3839e657 TT |
10 | */ |
11 | ||
12 | /* Usage: mke2fs [options] device | |
13 | * | |
14 | * The device may be a block device or a image of one, but this isn't | |
15 | * enforced (but it's not much fun on a character device :-). | |
16 | */ | |
17 | ||
a418d3ad | 18 | #include <stdio.h> |
3839e657 TT |
19 | #include <string.h> |
20 | #include <fcntl.h> | |
21 | #include <ctype.h> | |
3839e657 | 22 | #include <time.h> |
756df353 | 23 | #ifdef __linux__ |
2740156b TT |
24 | #include <sys/utsname.h> |
25 | #endif | |
a418d3ad | 26 | #ifdef HAVE_GETOPT_H |
3839e657 | 27 | #include <getopt.h> |
373b8337 TT |
28 | #else |
29 | extern char *optarg; | |
30 | extern int optind; | |
a418d3ad TT |
31 | #endif |
32 | #ifdef HAVE_UNISTD_H | |
3839e657 | 33 | #include <unistd.h> |
a418d3ad TT |
34 | #endif |
35 | #ifdef HAVE_STDLIB_H | |
3839e657 | 36 | #include <stdlib.h> |
a418d3ad TT |
37 | #endif |
38 | #ifdef HAVE_ERRNO_H | |
39 | #include <errno.h> | |
40 | #endif | |
41 | #ifdef HAVE_MNTENT_H | |
3839e657 | 42 | #include <mntent.h> |
a418d3ad | 43 | #endif |
3839e657 | 44 | #include <sys/ioctl.h> |
f3db3566 TT |
45 | #include <sys/types.h> |
46 | ||
54c637d4 | 47 | #include "ext2fs/ext2_fs.h" |
3839e657 | 48 | #include "et/com_err.h" |
1e3472c5 | 49 | #include "uuid/uuid.h" |
896938d5 | 50 | #include "e2p/e2p.h" |
3839e657 | 51 | #include "ext2fs/ext2fs.h" |
63985320 | 52 | #include "util.h" |
3839e657 | 53 | #include "../version.h" |
d9c56d3c | 54 | #include "nls-enable.h" |
3839e657 TT |
55 | |
56 | #define STRIDE_LENGTH 8 | |
57 | ||
6733c2fd | 58 | #ifndef __sparc__ |
1e3472c5 TT |
59 | #define ZAP_BOOTBLOCK |
60 | #endif | |
61 | ||
3839e657 | 62 | extern int isatty(int); |
f3db3566 | 63 | extern FILE *fpopen(const char *cmd, const char *mode); |
3839e657 TT |
64 | |
65 | const char * program_name = "mke2fs"; | |
d48755e9 | 66 | const char * device_name /* = NULL */; |
3839e657 TT |
67 | |
68 | /* Command line options */ | |
16ed5b3a TT |
69 | int cflag; |
70 | int verbose; | |
71 | int quiet; | |
72 | int super_only; | |
73 | int force; | |
74 | int noaction; | |
75 | int journal_size; | |
76 | int journal_flags; | |
77 | char *bad_blocks_filename; | |
78 | __u32 fs_stride; | |
3839e657 TT |
79 | |
80 | struct ext2_super_block param; | |
16ed5b3a TT |
81 | char *creator_os; |
82 | char *volume_label; | |
83 | char *mount_dir; | |
84 | char *journal_device; | |
85 | int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ | |
3839e657 | 86 | |
31e29a12 TT |
87 | int sys_page_size = 4096; |
88 | ||
63985320 | 89 | static void usage(void) |
3839e657 | 90 | { |
d9c56d3c | 91 | fprintf(stderr, _("Usage: %s [-c|-t|-l filename] [-b block-size] " |
dc2ec525 | 92 | "[-f fragment-size]\n\t[-i bytes-per-inode] [-j] [-J journal-options]" |
5515e6b4 TT |
93 | " [-N number-of-inodes]\n\t[-m reserved-blocks-percentage] " |
94 | "[-o creator-os] [-g blocks-per-group]\n\t[-L volume-label] " | |
18160d26 | 95 | "[-M last-mounted-directory] [-O feature[,...]]\n\t" |
b10fd5e8 | 96 | "[-r fs-revision] [-R raid_opts] [-qvSV] device [blocks-count]\n"), |
3839e657 TT |
97 | program_name); |
98 | exit(1); | |
99 | } | |
100 | ||
6733c2fd | 101 | static int int_log2(int arg) |
3839e657 TT |
102 | { |
103 | int l = 0; | |
104 | ||
105 | arg >>= 1; | |
106 | while (arg) { | |
107 | l++; | |
108 | arg >>= 1; | |
109 | } | |
110 | return l; | |
111 | } | |
112 | ||
6733c2fd | 113 | static int int_log10(unsigned int arg) |
1dde43f0 TT |
114 | { |
115 | int l; | |
116 | ||
117 | for (l=0; arg ; l++) | |
118 | arg = arg / 10; | |
119 | return l; | |
120 | } | |
121 | ||
50787ea2 TT |
122 | /* |
123 | * This function sets the default parameters for a filesystem | |
124 | * | |
2740156b TT |
125 | * The type is specified by the user. The size is the maximum size |
126 | * (in megabytes) for which a set of parameters applies, with a size | |
127 | * of zero meaning that it is the default parameter for the type. | |
128 | * Note that order is important in the table below. | |
50787ea2 | 129 | */ |
31e29a12 | 130 | #define DEF_MAX_BLOCKSIZE -1 |
50787ea2 TT |
131 | static char default_str[] = "default"; |
132 | struct mke2fs_defaults { | |
4a600566 TT |
133 | const char *type; |
134 | int size; | |
135 | int blocksize; | |
136 | int inode_ratio; | |
50787ea2 TT |
137 | } settings[] = { |
138 | { default_str, 0, 4096, 8192 }, | |
139 | { default_str, 512, 1024, 4096 }, | |
140 | { default_str, 3, 1024, 8192 }, | |
dc2ec525 | 141 | { "journal", 0, 4096, 8192 }, |
50787ea2 | 142 | { "news", 0, 4096, 4096 }, |
31e29a12 TT |
143 | { "largefile", 0, DEF_MAX_BLOCKSIZE, 1024 * 1024 }, |
144 | { "largefile4", 0, DEF_MAX_BLOCKSIZE, 4096 * 1024 }, | |
50787ea2 TT |
145 | { 0, 0, 0, 0}, |
146 | }; | |
147 | ||
4ea7bd04 TT |
148 | static void set_fs_defaults(const char *fs_type, |
149 | struct ext2_super_block *super, | |
50787ea2 TT |
150 | int blocksize, int *inode_ratio) |
151 | { | |
152 | int megs; | |
153 | int ratio = 0; | |
154 | struct mke2fs_defaults *p; | |
c5290fae | 155 | int use_bsize = 1024; |
50787ea2 | 156 | |
932a489c | 157 | megs = super->s_blocks_count * (EXT2_BLOCK_SIZE(super) / 1024) / 1024; |
50787ea2 TT |
158 | if (inode_ratio) |
159 | ratio = *inode_ratio; | |
160 | if (!fs_type) | |
161 | fs_type = default_str; | |
162 | for (p = settings; p->type; p++) { | |
163 | if ((strcmp(p->type, fs_type) != 0) && | |
164 | (strcmp(p->type, default_str) != 0)) | |
165 | continue; | |
c5290fae | 166 | if ((p->size != 0) && (megs > p->size)) |
50787ea2 TT |
167 | continue; |
168 | if (ratio == 0) | |
b21bf267 AD |
169 | *inode_ratio = p->inode_ratio < blocksize ? |
170 | blocksize : p->inode_ratio; | |
c5290fae TT |
171 | use_bsize = p->blocksize; |
172 | } | |
173 | if (blocksize <= 0) { | |
174 | if (use_bsize == DEF_MAX_BLOCKSIZE) | |
175 | use_bsize = sys_page_size; | |
176 | if ((blocksize < 0) && (use_bsize < (-blocksize))) | |
177 | use_bsize = -blocksize; | |
178 | blocksize = use_bsize; | |
179 | super->s_blocks_count /= blocksize / 1024; | |
50787ea2 | 180 | } |
c5290fae TT |
181 | super->s_log_frag_size = super->s_log_block_size = |
182 | int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); | |
50787ea2 TT |
183 | } |
184 | ||
c5290fae | 185 | |
3839e657 TT |
186 | /* |
187 | * Helper function for read_bb_file and test_disk | |
188 | */ | |
189 | static void invalid_block(ext2_filsys fs, blk_t blk) | |
190 | { | |
6693837e | 191 | fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); |
3839e657 TT |
192 | return; |
193 | } | |
194 | ||
195 | /* | |
196 | * Reads the bad blocks list from a file | |
197 | */ | |
198 | static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, | |
199 | const char *bad_blocks_file) | |
200 | { | |
201 | FILE *f; | |
202 | errcode_t retval; | |
203 | ||
204 | f = fopen(bad_blocks_file, "r"); | |
205 | if (!f) { | |
206 | com_err("read_bad_blocks_file", errno, | |
d9c56d3c | 207 | _("while trying to open %s"), bad_blocks_file); |
3839e657 TT |
208 | exit(1); |
209 | } | |
210 | retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); | |
211 | fclose (f); | |
212 | if (retval) { | |
213 | com_err("ext2fs_read_bb_FILE", retval, | |
d9c56d3c | 214 | _("while reading in list of bad blocks from file")); |
3839e657 TT |
215 | exit(1); |
216 | } | |
217 | } | |
218 | ||
219 | /* | |
220 | * Runs the badblocks program to test the disk | |
221 | */ | |
222 | static void test_disk(ext2_filsys fs, badblocks_list *bb_list) | |
223 | { | |
224 | FILE *f; | |
225 | errcode_t retval; | |
226 | char buf[1024]; | |
227 | ||
3ed57c27 TT |
228 | sprintf(buf, "badblocks -b %d %s%s%s %d", fs->blocksize, |
229 | quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", | |
230 | fs->device_name, fs->super->s_blocks_count); | |
3839e657 | 231 | if (verbose) |
d9c56d3c | 232 | printf(_("Running command: %s\n"), buf); |
3839e657 TT |
233 | f = popen(buf, "r"); |
234 | if (!f) { | |
235 | com_err("popen", errno, | |
d9c56d3c | 236 | _("while trying run '%s'"), buf); |
3839e657 TT |
237 | exit(1); |
238 | } | |
239 | retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); | |
f3db3566 | 240 | pclose(f); |
3839e657 TT |
241 | if (retval) { |
242 | com_err("ext2fs_read_bb_FILE", retval, | |
d9c56d3c | 243 | _("while processing list of bad blocks from program")); |
3839e657 TT |
244 | exit(1); |
245 | } | |
246 | } | |
247 | ||
248 | static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) | |
249 | { | |
f3db3566 | 250 | int i, j; |
3839e657 TT |
251 | int must_be_good; |
252 | blk_t blk; | |
253 | badblocks_iterate bb_iter; | |
254 | errcode_t retval; | |
f3db3566 TT |
255 | blk_t group_block; |
256 | int group; | |
257 | int group_bad; | |
3839e657 TT |
258 | |
259 | if (!bb_list) | |
260 | return; | |
261 | ||
262 | /* | |
263 | * The primary superblock and group descriptors *must* be | |
264 | * good; if not, abort. | |
265 | */ | |
266 | must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; | |
267 | for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { | |
cbbf031b | 268 | if (ext2fs_badblocks_list_test(bb_list, i)) { |
d9c56d3c TT |
269 | fprintf(stderr, _("Block %d in primary " |
270 | "superblock/group descriptor area bad.\n"), i); | |
271 | fprintf(stderr, _("Blocks %d through %d must be good " | |
272 | "in order to build a filesystem.\n"), | |
3839e657 | 273 | fs->super->s_first_data_block, must_be_good); |
d9c56d3c | 274 | fprintf(stderr, _("Aborting....\n")); |
3839e657 TT |
275 | exit(1); |
276 | } | |
277 | } | |
f3db3566 TT |
278 | |
279 | /* | |
280 | * See if any of the bad blocks are showing up in the backup | |
281 | * superblocks and/or group descriptors. If so, issue a | |
282 | * warning and adjust the block counts appropriately. | |
283 | */ | |
284 | group_block = fs->super->s_first_data_block + | |
285 | fs->super->s_blocks_per_group; | |
f3db3566 TT |
286 | |
287 | for (i = 1; i < fs->group_desc_count; i++) { | |
92bcc595 | 288 | group_bad = 0; |
f3db3566 | 289 | for (j=0; j < fs->desc_blocks+1; j++) { |
cbbf031b TT |
290 | if (ext2fs_badblocks_list_test(bb_list, |
291 | group_block + j)) { | |
f3db3566 TT |
292 | if (!group_bad) |
293 | fprintf(stderr, | |
d9c56d3c TT |
294 | _("Warning: the backup superblock/group descriptors at block %d contain\n" |
295 | " bad blocks.\n\n"), | |
f3db3566 TT |
296 | group_block); |
297 | group_bad++; | |
298 | group = ext2fs_group_of_blk(fs, group_block+j); | |
299 | fs->group_desc[group].bg_free_blocks_count++; | |
300 | fs->super->s_free_blocks_count++; | |
301 | } | |
302 | } | |
303 | group_block += fs->super->s_blocks_per_group; | |
304 | } | |
3839e657 TT |
305 | |
306 | /* | |
307 | * Mark all the bad blocks as used... | |
308 | */ | |
cbbf031b | 309 | retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); |
3839e657 | 310 | if (retval) { |
cbbf031b | 311 | com_err("ext2fs_badblocks_list_iterate_begin", retval, |
d9c56d3c | 312 | _("while marking bad blocks as used")); |
3839e657 TT |
313 | exit(1); |
314 | } | |
cbbf031b | 315 | while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) |
f3db3566 | 316 | ext2fs_mark_block_bitmap(fs->block_map, blk); |
cbbf031b | 317 | ext2fs_badblocks_list_iterate_end(bb_iter); |
3839e657 TT |
318 | } |
319 | ||
16ed5b3a TT |
320 | /* |
321 | * These functions implement a generalized progress meter. | |
322 | */ | |
323 | struct progress_struct { | |
324 | char format[20]; | |
325 | char backup[80]; | |
326 | __u32 max; | |
327 | }; | |
7d5633cf | 328 | |
16ed5b3a | 329 | static void progress_init(struct progress_struct *progress, |
4ea7bd04 | 330 | const char *label,__u32 max) |
16ed5b3a TT |
331 | { |
332 | int i; | |
3839e657 | 333 | |
16ed5b3a TT |
334 | memset(progress, 0, sizeof(struct progress_struct)); |
335 | if (quiet) | |
336 | return; | |
1dde43f0 TT |
337 | |
338 | /* | |
339 | * Figure out how many digits we need | |
340 | */ | |
16ed5b3a TT |
341 | i = int_log10(max); |
342 | sprintf(progress->format, "%%%dd/%%%dld", i, i); | |
343 | memset(progress->backup, '\b', sizeof(progress->backup)-1); | |
344 | progress->backup[sizeof(progress->backup)-1] = 0; | |
345 | if ((2*i)+1 < sizeof(progress->backup)) | |
346 | progress->backup[(2*i)+1] = 0; | |
347 | progress->max = max; | |
348 | ||
349 | fputs(label, stdout); | |
350 | fflush(stdout); | |
351 | } | |
352 | ||
353 | static void progress_update(struct progress_struct *progress, __u32 val) | |
354 | { | |
355 | if (progress->format[0] == 0) | |
356 | return; | |
357 | printf(progress->format, val, progress->max); | |
358 | fputs(progress->backup, stdout); | |
359 | } | |
360 | ||
361 | static void progress_close(struct progress_struct *progress) | |
362 | { | |
363 | if (progress->format[0] == 0) | |
364 | return; | |
365 | fputs(_("done \n"), stdout); | |
366 | } | |
367 | ||
368 | ||
369 | /* | |
370 | * Helper function which zeros out _num_ blocks starting at _blk_. In | |
371 | * case of an error, the details of the error is returned via _ret_blk_ | |
372 | * and _ret_count_ if they are non-NULL pointers. Returns 0 on | |
373 | * success, and an error code on an error. | |
374 | * | |
375 | * As a special case, if the first argument is NULL, then it will | |
376 | * attempt to free the static zeroizing buffer. (This is to keep | |
377 | * programs that check for memory leaks happy.) | |
378 | */ | |
379 | static errcode_t zero_blocks(ext2_filsys fs, blk_t blk, int num, | |
380 | struct progress_struct *progress, | |
381 | blk_t *ret_blk, int *ret_count) | |
382 | { | |
383 | int j, count, next_update, next_update_incr; | |
384 | static char *buf; | |
385 | errcode_t retval; | |
386 | ||
387 | /* If fs is null, clean up the static buffer and return */ | |
388 | if (!fs) { | |
389 | if (buf) { | |
390 | free(buf); | |
391 | buf = 0; | |
392 | } | |
393 | return 0; | |
394 | } | |
395 | /* Allocate the zeroizing buffer if necessary */ | |
396 | if (!buf) { | |
397 | buf = malloc(fs->blocksize * STRIDE_LENGTH); | |
398 | if (!buf) { | |
399 | com_err("malloc", ENOMEM, | |
400 | _("while allocating zeroizing buffer")); | |
401 | exit(1); | |
402 | } | |
403 | memset(buf, 0, fs->blocksize * STRIDE_LENGTH); | |
404 | } | |
405 | /* OK, do the write loop */ | |
406 | next_update = 0; | |
407 | next_update_incr = num / 100; | |
408 | if (next_update_incr < 1) | |
409 | next_update_incr = 1; | |
410 | for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) { | |
f044b4d8 TT |
411 | count = num - j; |
412 | if (count > STRIDE_LENGTH) | |
16ed5b3a | 413 | count = STRIDE_LENGTH; |
16ed5b3a TT |
414 | retval = io_channel_write_blk(fs->io, blk, count, buf); |
415 | if (retval) { | |
416 | if (ret_count) | |
417 | *ret_count = count; | |
418 | if (ret_blk) | |
419 | *ret_blk = blk; | |
420 | return retval; | |
421 | } | |
422 | if (progress && j > next_update) { | |
423 | next_update += num / 100; | |
424 | progress_update(progress, blk); | |
425 | } | |
426 | } | |
427 | return 0; | |
428 | } | |
429 | ||
430 | static void write_inode_tables(ext2_filsys fs) | |
431 | { | |
432 | errcode_t retval; | |
433 | blk_t blk; | |
434 | int i, num; | |
435 | struct progress_struct progress; | |
436 | ||
437 | if (quiet) | |
438 | memset(&progress, 0, sizeof(progress)); | |
439 | else | |
440 | progress_init(&progress, _("Writing inode tables: "), | |
441 | fs->group_desc_count); | |
1dde43f0 | 442 | |
3839e657 | 443 | for (i = 0; i < fs->group_desc_count; i++) { |
16ed5b3a | 444 | progress_update(&progress, i); |
3839e657 | 445 | |
19c78dc0 TT |
446 | blk = fs->group_desc[i].bg_inode_table; |
447 | num = fs->inode_blocks_per_group; | |
16ed5b3a TT |
448 | |
449 | retval = zero_blocks(fs, blk, num, 0, &blk, &num); | |
450 | if (retval) { | |
6693837e TT |
451 | fprintf(stderr, _("\nCould not write %d blocks " |
452 | "in inode table starting at %d: %s\n"), | |
453 | num, blk, error_message(retval)); | |
16ed5b3a | 454 | exit(1); |
19c78dc0 | 455 | } |
7d5633cf TT |
456 | if (sync_kludge) { |
457 | if (sync_kludge == 1) | |
458 | sync(); | |
459 | else if ((i % sync_kludge) == 0) | |
460 | sync(); | |
461 | } | |
3839e657 | 462 | } |
16ed5b3a TT |
463 | zero_blocks(0, 0, 0, 0, 0, 0); |
464 | progress_close(&progress); | |
3839e657 TT |
465 | } |
466 | ||
467 | static void create_root_dir(ext2_filsys fs) | |
468 | { | |
469 | errcode_t retval; | |
f3db3566 | 470 | struct ext2_inode inode; |
3839e657 TT |
471 | |
472 | retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); | |
473 | if (retval) { | |
d9c56d3c | 474 | com_err("ext2fs_mkdir", retval, _("while creating root dir")); |
3839e657 TT |
475 | exit(1); |
476 | } | |
f3db3566 TT |
477 | if (geteuid()) { |
478 | retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); | |
479 | if (retval) { | |
480 | com_err("ext2fs_read_inode", retval, | |
d9c56d3c | 481 | _("while reading root inode")); |
f3db3566 TT |
482 | exit(1); |
483 | } | |
19c78dc0 TT |
484 | inode.i_uid = getuid(); |
485 | if (inode.i_uid) | |
486 | inode.i_gid = getgid(); | |
f3db3566 TT |
487 | retval = ext2fs_write_inode(fs, EXT2_ROOT_INO, &inode); |
488 | if (retval) { | |
489 | com_err("ext2fs_write_inode", retval, | |
d9c56d3c | 490 | _("while setting root inode ownership")); |
f3db3566 TT |
491 | exit(1); |
492 | } | |
493 | } | |
3839e657 TT |
494 | } |
495 | ||
496 | static void create_lost_and_found(ext2_filsys fs) | |
497 | { | |
498 | errcode_t retval; | |
dfcdc32f | 499 | ext2_ino_t ino; |
3839e657 TT |
500 | const char *name = "lost+found"; |
501 | int i; | |
50787ea2 | 502 | int lpf_size = 0; |
3839e657 | 503 | |
6a525069 | 504 | fs->umask = 077; |
3839e657 TT |
505 | retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); |
506 | if (retval) { | |
d9c56d3c TT |
507 | com_err("ext2fs_mkdir", retval, |
508 | _("while creating /lost+found")); | |
3839e657 TT |
509 | exit(1); |
510 | } | |
511 | ||
512 | retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); | |
513 | if (retval) { | |
d9c56d3c TT |
514 | com_err("ext2_lookup", retval, |
515 | _("while looking up /lost+found")); | |
3839e657 TT |
516 | exit(1); |
517 | } | |
518 | ||
519 | for (i=1; i < EXT2_NDIR_BLOCKS; i++) { | |
50787ea2 TT |
520 | if ((lpf_size += fs->blocksize) >= 16*1024) |
521 | break; | |
3839e657 TT |
522 | retval = ext2fs_expand_dir(fs, ino); |
523 | if (retval) { | |
524 | com_err("ext2fs_expand_dir", retval, | |
d9c56d3c | 525 | _("while expanding /lost+found")); |
3839e657 TT |
526 | exit(1); |
527 | } | |
6a525069 | 528 | } |
3839e657 TT |
529 | } |
530 | ||
531 | static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) | |
532 | { | |
533 | errcode_t retval; | |
534 | ||
f3db3566 | 535 | ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO); |
3839e657 TT |
536 | fs->group_desc[0].bg_free_inodes_count--; |
537 | fs->super->s_free_inodes_count--; | |
538 | retval = ext2fs_update_bb_inode(fs, bb_list); | |
539 | if (retval) { | |
540 | com_err("ext2fs_update_bb_inode", retval, | |
d9c56d3c | 541 | _("while setting bad block inode")); |
3839e657 TT |
542 | exit(1); |
543 | } | |
544 | ||
545 | } | |
546 | ||
547 | static void reserve_inodes(ext2_filsys fs) | |
548 | { | |
dfcdc32f TT |
549 | ext2_ino_t i; |
550 | int group; | |
3839e657 | 551 | |
7f88b043 | 552 | for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) { |
f3db3566 | 553 | ext2fs_mark_inode_bitmap(fs->inode_map, i); |
3839e657 TT |
554 | group = ext2fs_group_of_ino(fs, i); |
555 | fs->group_desc[group].bg_free_inodes_count--; | |
556 | fs->super->s_free_inodes_count--; | |
557 | } | |
558 | ext2fs_mark_ib_dirty(fs); | |
559 | } | |
560 | ||
756df353 | 561 | #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ |
7ef3bb83 | 562 | #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ |
756df353 | 563 | #define BSD_LABEL_OFFSET 64 |
756df353 | 564 | |
04a96857 | 565 | static void zap_sector(ext2_filsys fs, int sect, int nsect) |
f3db3566 | 566 | { |
3f85f65c | 567 | char *buf; |
f3db3566 | 568 | int retval; |
756df353 | 569 | unsigned int *magic; |
f3db3566 | 570 | |
3f85f65c | 571 | buf = malloc(512*nsect); |
568101f7 | 572 | if (!buf) { |
4ea7bd04 TT |
573 | printf(_("Out of memory erasing sectors %d-%d\n"), |
574 | sect, sect + nsect - 1); | |
568101f7 AD |
575 | exit(1); |
576 | } | |
756df353 | 577 | |
7ef3bb83 TT |
578 | if (sect == 0) { |
579 | /* Check for a BSD disklabel, and don't erase it if so */ | |
580 | retval = io_channel_read_blk(fs->io, 0, -512, buf); | |
581 | if (retval) | |
582 | fprintf(stderr, | |
583 | _("Warning: could not read block 0: %s\n"), | |
584 | error_message(retval)); | |
585 | else { | |
586 | magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); | |
587 | if ((*magic == BSD_DISKMAGIC) || | |
588 | (*magic == BSD_MAGICDISK)) | |
589 | return; | |
590 | } | |
756df353 | 591 | } |
756df353 | 592 | |
7098810d | 593 | memset(buf, 0, 512*nsect); |
e41784eb | 594 | io_channel_set_blksize(fs->io, 512); |
04a96857 | 595 | retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf); |
e41784eb | 596 | io_channel_set_blksize(fs->io, fs->blocksize); |
3f85f65c | 597 | free(buf); |
f3db3566 | 598 | if (retval) |
6693837e TT |
599 | fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), |
600 | sect, error_message(retval)); | |
f3db3566 | 601 | } |
16ed5b3a TT |
602 | |
603 | static void create_journal_dev(ext2_filsys fs) | |
604 | { | |
605 | struct progress_struct progress; | |
606 | errcode_t retval; | |
607 | char *buf; | |
dc2ec525 TT |
608 | blk_t blk; |
609 | int count; | |
16ed5b3a | 610 | |
d6a27e00 TT |
611 | retval = ext2fs_create_journal_superblock(fs, |
612 | fs->super->s_blocks_count, 0, &buf); | |
613 | if (retval) { | |
614 | com_err("create_journal_dev", retval, | |
615 | _("while initializing journal superblock")); | |
616 | exit(1); | |
617 | } | |
16ed5b3a TT |
618 | if (quiet) |
619 | memset(&progress, 0, sizeof(progress)); | |
620 | else | |
621 | progress_init(&progress, _("Zeroing journal device: "), | |
622 | fs->super->s_blocks_count); | |
623 | ||
16ed5b3a TT |
624 | retval = zero_blocks(fs, 0, fs->super->s_blocks_count, |
625 | &progress, &blk, &count); | |
626 | if (retval) { | |
627 | com_err("create_journal_dev", retval, | |
14bbcbc3 | 628 | _("while zeroing journal device (block %u, count %d)"), |
16ed5b3a TT |
629 | blk, count); |
630 | exit(1); | |
631 | } | |
dc2ec525 TT |
632 | zero_blocks(0, 0, 0, 0, 0, 0); |
633 | ||
dc2ec525 TT |
634 | retval = io_channel_write_blk(fs->io, |
635 | fs->super->s_first_data_block+1, | |
636 | 1, buf); | |
16ed5b3a TT |
637 | if (retval) { |
638 | com_err("create_journal_dev", retval, | |
639 | _("while writing journal superblock")); | |
640 | exit(1); | |
641 | } | |
642 | progress_close(&progress); | |
643 | } | |
f3db3566 | 644 | |
3839e657 TT |
645 | static void show_stats(ext2_filsys fs) |
646 | { | |
ef9abe5f | 647 | struct ext2_super_block *s = fs->super; |
1e3472c5 | 648 | char buf[80]; |
3839e657 | 649 | blk_t group_block; |
1dde43f0 | 650 | int i, need, col_left; |
3839e657 TT |
651 | |
652 | if (param.s_blocks_count != s->s_blocks_count) | |
6693837e | 653 | fprintf(stderr, _("warning: %d blocks unused.\n\n"), |
3839e657 | 654 | param.s_blocks_count - s->s_blocks_count); |
50787ea2 TT |
655 | |
656 | memset(buf, 0, sizeof(buf)); | |
657 | strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); | |
d9c56d3c TT |
658 | printf(_("Filesystem label=%s\n"), buf); |
659 | printf(_("OS type: ")); | |
1e3472c5 TT |
660 | switch (fs->super->s_creator_os) { |
661 | case EXT2_OS_LINUX: printf ("Linux"); break; | |
ad6783df | 662 | case EXT2_OS_HURD: printf ("GNU/Hurd"); break; |
1e3472c5 | 663 | case EXT2_OS_MASIX: printf ("Masix"); break; |
d9c56d3c | 664 | default: printf (_("(unknown os)")); |
1e3472c5 | 665 | } |
50787ea2 | 666 | printf("\n"); |
d9c56d3c | 667 | printf(_("Block size=%u (log=%u)\n"), fs->blocksize, |
50787ea2 | 668 | s->s_log_block_size); |
d9c56d3c | 669 | printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize, |
50787ea2 | 670 | s->s_log_frag_size); |
d9c56d3c | 671 | printf(_("%u inodes, %u blocks\n"), s->s_inodes_count, |
3839e657 | 672 | s->s_blocks_count); |
d9c56d3c | 673 | printf(_("%u blocks (%2.2f%%) reserved for the super user\n"), |
3839e657 TT |
674 | s->s_r_blocks_count, |
675 | 100.0 * s->s_r_blocks_count / s->s_blocks_count); | |
d9c56d3c TT |
676 | printf(_("First data block=%u\n"), s->s_first_data_block); |
677 | if (fs->group_desc_count > 1) | |
c8c071a0 | 678 | printf(_("%u block groups\n"), fs->group_desc_count); |
d9c56d3c | 679 | else |
c8c071a0 | 680 | printf(_("%u block group\n"), fs->group_desc_count); |
d9c56d3c | 681 | printf(_("%u blocks per group, %u fragments per group\n"), |
3839e657 | 682 | s->s_blocks_per_group, s->s_frags_per_group); |
d9c56d3c | 683 | printf(_("%u inodes per group\n"), s->s_inodes_per_group); |
3839e657 TT |
684 | |
685 | if (fs->group_desc_count == 1) { | |
686 | printf("\n"); | |
687 | return; | |
688 | } | |
689 | ||
d9c56d3c | 690 | printf(_("Superblock backups stored on blocks: ")); |
3839e657 TT |
691 | group_block = s->s_first_data_block; |
692 | col_left = 0; | |
693 | for (i = 1; i < fs->group_desc_count; i++) { | |
694 | group_block += s->s_blocks_per_group; | |
521e3685 TT |
695 | if (!ext2fs_bg_has_super(fs, i)) |
696 | continue; | |
7671433a TT |
697 | if (i != 1) |
698 | printf(", "); | |
6733c2fd | 699 | need = int_log10(group_block) + 2; |
1dde43f0 | 700 | if (need > col_left) { |
3839e657 | 701 | printf("\n\t"); |
1dde43f0 | 702 | col_left = 72; |
3839e657 | 703 | } |
1dde43f0 | 704 | col_left -= need; |
a418d3ad | 705 | printf("%u", group_block); |
3839e657 TT |
706 | } |
707 | printf("\n\n"); | |
708 | } | |
709 | ||
1e3472c5 TT |
710 | /* |
711 | * Set the S_CREATOR_OS field. Return true if OS is known, | |
712 | * otherwise, 0. | |
713 | */ | |
714 | static int set_os(struct ext2_super_block *sb, char *os) | |
715 | { | |
716 | if (isdigit (*os)) | |
717 | sb->s_creator_os = atoi (os); | |
718 | else if (strcasecmp(os, "linux") == 0) | |
719 | sb->s_creator_os = EXT2_OS_LINUX; | |
720 | else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) | |
721 | sb->s_creator_os = EXT2_OS_HURD; | |
722 | else if (strcasecmp(os, "masix") == 0) | |
723 | sb->s_creator_os = EXT2_OS_MASIX; | |
724 | else | |
725 | return 0; | |
726 | return 1; | |
727 | } | |
728 | ||
a418d3ad TT |
729 | #define PATH_SET "PATH=/sbin" |
730 | ||
d163b094 | 731 | static void parse_raid_opts(const char *opts) |
a29f4d30 TT |
732 | { |
733 | char *buf, *token, *next, *p, *arg; | |
734 | int len; | |
735 | int raid_usage = 0; | |
736 | ||
737 | len = strlen(opts); | |
738 | buf = malloc(len+1); | |
739 | if (!buf) { | |
d9c56d3c TT |
740 | fprintf(stderr, _("Couldn't allocate memory to parse " |
741 | "raid options!\n")); | |
a29f4d30 TT |
742 | exit(1); |
743 | } | |
744 | strcpy(buf, opts); | |
745 | for (token = buf; token && *token; token = next) { | |
746 | p = strchr(token, ','); | |
747 | next = 0; | |
748 | if (p) { | |
749 | *p = 0; | |
750 | next = p+1; | |
751 | } | |
752 | arg = strchr(token, '='); | |
753 | if (arg) { | |
754 | *arg = 0; | |
755 | arg++; | |
756 | } | |
757 | if (strcmp(token, "stride") == 0) { | |
758 | if (!arg) { | |
759 | raid_usage++; | |
760 | continue; | |
761 | } | |
762 | fs_stride = strtoul(arg, &p, 0); | |
763 | if (*p || (fs_stride == 0)) { | |
d9c56d3c TT |
764 | fprintf(stderr, |
765 | _("Invalid stride parameter.\n")); | |
a29f4d30 TT |
766 | raid_usage++; |
767 | continue; | |
768 | } | |
769 | } else | |
770 | raid_usage++; | |
771 | } | |
772 | if (raid_usage) { | |
d9c56d3c | 773 | fprintf(stderr, _("\nBad raid options specified.\n\n" |
a29f4d30 TT |
774 | "Raid options are separated by commas, " |
775 | "and may take an argument which\n" | |
776 | "\tis set off by an equals ('=') sign.\n\n" | |
777 | "Valid raid options are:\n" | |
d9c56d3c | 778 | "\tstride=<stride length in blocks>\n\n")); |
a29f4d30 TT |
779 | exit(1); |
780 | } | |
781 | } | |
782 | ||
896938d5 | 783 | static __u32 ok_features[3] = { |
843049c4 TT |
784 | EXT3_FEATURE_COMPAT_HAS_JOURNAL | |
785 | EXT2_FEATURE_COMPAT_DIR_INDEX, /* Compat */ | |
16ed5b3a | 786 | EXT2_FEATURE_INCOMPAT_FILETYPE| /* Incompat */ |
c046ac7f TT |
787 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| |
788 | EXT2_FEATURE_INCOMPAT_META_BG, | |
896938d5 TT |
789 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */ |
790 | }; | |
a29f4d30 TT |
791 | |
792 | ||
3839e657 TT |
793 | static void PRS(int argc, char *argv[]) |
794 | { | |
c5290fae | 795 | int b, c; |
4a600566 TT |
796 | int size; |
797 | char * tmp; | |
4a600566 TT |
798 | int blocksize = 0; |
799 | int inode_ratio = 0; | |
932a489c | 800 | int inode_size = 0; |
4a600566 | 801 | int reserved_ratio = 5; |
dfcdc32f | 802 | ext2_ino_t num_inodes = 0; |
a418d3ad | 803 | errcode_t retval; |
4a600566 | 804 | char * oldpath = getenv("PATH"); |
4a600566 | 805 | char * raid_opts = 0; |
4ea7bd04 | 806 | const char * fs_type = 0; |
f3561ed5 | 807 | int default_features = 1; |
4a600566 | 808 | blk_t dev_size; |
756df353 | 809 | #ifdef __linux__ |
4a600566 | 810 | struct utsname ut; |
2740156b | 811 | #endif |
31e29a12 | 812 | long sysval; |
14bbcbc3 | 813 | |
3839e657 | 814 | /* Update our PATH to include /sbin */ |
a418d3ad TT |
815 | if (oldpath) { |
816 | char *newpath; | |
817 | ||
818 | newpath = malloc(sizeof (PATH_SET) + 1 + strlen (oldpath)); | |
819 | strcpy (newpath, PATH_SET); | |
820 | strcat (newpath, ":"); | |
821 | strcat (newpath, oldpath); | |
822 | putenv (newpath); | |
823 | } else | |
824 | putenv (PATH_SET); | |
3839e657 | 825 | |
16ed5b3a TT |
826 | tmp = getenv("MKE2FS_SYNC"); |
827 | if (tmp) | |
828 | sync_kludge = atoi(tmp); | |
31e29a12 TT |
829 | |
830 | /* Determine the system page size if possible */ | |
831 | #ifdef HAVE_SYSCONF | |
832 | #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) | |
833 | #define _SC_PAGESIZE _SC_PAGE_SIZE | |
834 | #endif | |
835 | #ifdef _SC_PAGESIZE | |
836 | sysval = sysconf(_SC_PAGESIZE); | |
aab6fe73 | 837 | if (sysval > 0) |
31e29a12 TT |
838 | sys_page_size = sysval; |
839 | #endif /* _SC_PAGESIZE */ | |
840 | #endif /* HAVE_SYSCONF */ | |
16ed5b3a | 841 | |
3839e657 TT |
842 | setbuf(stdout, NULL); |
843 | setbuf(stderr, NULL); | |
844 | initialize_ext2_error_table(); | |
845 | memset(¶m, 0, sizeof(struct ext2_super_block)); | |
50787ea2 | 846 | param.s_rev_level = 1; /* Create revision 1 filesystems now */ |
f3561ed5 TT |
847 | param.s_feature_incompat |= EXT2_FEATURE_INCOMPAT_FILETYPE; |
848 | param.s_feature_ro_compat |= EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; | |
54779c66 | 849 | #if 0 |
843049c4 | 850 | param.s_feature_compat |= EXT2_FEATURE_COMPAT_DIR_INDEX; |
54779c66 | 851 | #endif |
843049c4 | 852 | |
756df353 | 853 | #ifdef __linux__ |
14bbcbc3 TT |
854 | if (uname(&ut)) { |
855 | perror("uname"); | |
856 | exit(1); | |
857 | } | |
858 | if ((ut.release[0] == '1') || | |
859 | (ut.release[0] == '2' && ut.release[1] == '.' && | |
860 | ut.release[2] < '2' && ut.release[3] == '.')) { | |
14bbcbc3 | 861 | param.s_rev_level = 0; |
f3561ed5 TT |
862 | param.s_feature_incompat = 0; |
863 | param.s_feature_compat = 0; | |
864 | param.s_feature_ro_compat = 0; | |
14bbcbc3 TT |
865 | } |
866 | #endif | |
9d8e6346 | 867 | fprintf (stderr, "mke2fs %s (%s)\n", |
04a96857 | 868 | E2FSPROGS_VERSION, E2FSPROGS_DATE); |
0072f8de AD |
869 | |
870 | if (argc && *argv) { | |
871 | program_name = get_progname(*argv); | |
872 | ||
873 | /* If called as mkfs.ext3, create a journal inode */ | |
874 | if (!strcmp(program_name, "mkfs.ext3")) | |
875 | journal_size = -1; | |
876 | } | |
877 | ||
1e3472c5 | 878 | while ((c = getopt (argc, argv, |
dc2ec525 | 879 | "b:cf:g:i:jl:m:no:qr:R:s:tvI:J:ST:FL:M:N:O:V")) != EOF) |
3839e657 TT |
880 | switch (c) { |
881 | case 'b': | |
c5290fae TT |
882 | blocksize = strtol(optarg, &tmp, 0); |
883 | b = (blocksize > 0) ? blocksize : -blocksize; | |
884 | if (b < EXT2_MIN_BLOCK_SIZE || | |
885 | b > EXT2_MAX_BLOCK_SIZE || *tmp) { | |
d9c56d3c TT |
886 | com_err(program_name, 0, |
887 | _("bad block size - %s"), optarg); | |
3839e657 TT |
888 | exit(1); |
889 | } | |
932a489c AD |
890 | if (blocksize > 4096) |
891 | fprintf(stderr, _("Warning: blocksize %d not " | |
892 | "usable on most systems.\n"), | |
893 | blocksize); | |
c5290fae TT |
894 | if (blocksize > 0) |
895 | param.s_log_block_size = | |
896 | int_log2(blocksize >> | |
897 | EXT2_MIN_BLOCK_LOG_SIZE); | |
3839e657 | 898 | break; |
b10fd5e8 TT |
899 | case 'c': /* Check for bad blocks */ |
900 | case 't': /* deprecated */ | |
3ed57c27 | 901 | cflag++; |
3839e657 TT |
902 | break; |
903 | case 'f': | |
904 | size = strtoul(optarg, &tmp, 0); | |
932a489c AD |
905 | if (size < EXT2_MIN_BLOCK_SIZE || |
906 | size > EXT2_MAX_BLOCK_SIZE || *tmp) { | |
d9c56d3c TT |
907 | com_err(program_name, 0, |
908 | _("bad fragment size - %s"), | |
3839e657 TT |
909 | optarg); |
910 | exit(1); | |
911 | } | |
912 | param.s_log_frag_size = | |
6733c2fd | 913 | int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); |
6693837e | 914 | fprintf(stderr, _("Warning: fragments not supported. " |
d9c56d3c | 915 | "Ignoring -f option\n")); |
3839e657 TT |
916 | break; |
917 | case 'g': | |
918 | param.s_blocks_per_group = strtoul(optarg, &tmp, 0); | |
f3db3566 TT |
919 | if (*tmp) { |
920 | com_err(program_name, 0, | |
d9c56d3c | 921 | _("Illegal number for blocks per group")); |
f3db3566 TT |
922 | exit(1); |
923 | } | |
f3db3566 TT |
924 | if ((param.s_blocks_per_group % 8) != 0) { |
925 | com_err(program_name, 0, | |
d9c56d3c | 926 | _("blocks per group must be multiple of 8")); |
3839e657 TT |
927 | exit(1); |
928 | } | |
929 | break; | |
930 | case 'i': | |
931 | inode_ratio = strtoul(optarg, &tmp, 0); | |
932a489c AD |
932 | if (inode_ratio < EXT2_MIN_BLOCK_SIZE || |
933 | inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || | |
3839e657 | 934 | *tmp) { |
d9c56d3c | 935 | com_err(program_name, 0, |
932a489c AD |
936 | _("bad inode ratio %s (min %d/max %d"), |
937 | optarg, EXT2_MIN_BLOCK_SIZE, | |
938 | EXT2_MAX_BLOCK_SIZE); | |
3839e657 TT |
939 | exit(1); |
940 | } | |
941 | break; | |
dc2ec525 TT |
942 | case 'J': |
943 | parse_journal_opts(optarg); | |
944 | break; | |
85ef4ae8 | 945 | case 'j': |
14bbcbc3 TT |
946 | param.s_feature_compat |= |
947 | EXT3_FEATURE_COMPAT_HAS_JOURNAL; | |
dc2ec525 TT |
948 | if (!journal_size) |
949 | journal_size = -1; | |
8ddaa66b | 950 | break; |
3839e657 | 951 | case 'l': |
f3db3566 TT |
952 | bad_blocks_filename = malloc(strlen(optarg)+1); |
953 | if (!bad_blocks_filename) { | |
954 | com_err(program_name, ENOMEM, | |
d9c56d3c | 955 | _("in malloc for bad_blocks_filename")); |
f3db3566 TT |
956 | exit(1); |
957 | } | |
958 | strcpy(bad_blocks_filename, optarg); | |
3839e657 TT |
959 | break; |
960 | case 'm': | |
961 | reserved_ratio = strtoul(optarg, &tmp, 0); | |
962 | if (reserved_ratio > 50 || *tmp) { | |
963 | com_err(program_name, 0, | |
d9c56d3c | 964 | _("bad reserved blocks percent - %s"), |
3839e657 TT |
965 | optarg); |
966 | exit(1); | |
967 | } | |
968 | break; | |
50787ea2 TT |
969 | case 'n': |
970 | noaction++; | |
971 | break; | |
1e3472c5 TT |
972 | case 'o': |
973 | creator_os = optarg; | |
974 | break; | |
7f88b043 TT |
975 | case 'r': |
976 | param.s_rev_level = atoi(optarg); | |
14bbcbc3 | 977 | if (param.s_rev_level == EXT2_GOOD_OLD_REV) { |
f3561ed5 TT |
978 | param.s_feature_incompat = 0; |
979 | param.s_feature_compat = 0; | |
980 | param.s_feature_ro_compat = 0; | |
14bbcbc3 | 981 | } |
7f88b043 | 982 | break; |
b10fd5e8 | 983 | case 's': /* deprecated */ |
f3561ed5 TT |
984 | if (atoi(optarg)) |
985 | param.s_feature_ro_compat |= | |
986 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; | |
987 | else | |
988 | param.s_feature_ro_compat &= | |
989 | ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; | |
521e3685 | 990 | break; |
7f88b043 TT |
991 | #ifdef EXT2_DYNAMIC_REV |
992 | case 'I': | |
932a489c AD |
993 | inode_size = strtoul(optarg, &tmp, 0); |
994 | if (*tmp) { | |
995 | com_err(program_name, 0, | |
996 | _("bad inode size - %s"), optarg); | |
997 | exit(1); | |
998 | } | |
7f88b043 TT |
999 | break; |
1000 | #endif | |
5515e6b4 TT |
1001 | case 'N': |
1002 | num_inodes = atoi(optarg); | |
1003 | break; | |
3839e657 TT |
1004 | case 'v': |
1005 | verbose = 1; | |
1006 | break; | |
1007 | case 'q': | |
1008 | quiet = 1; | |
1009 | break; | |
74becf3c TT |
1010 | case 'F': |
1011 | force = 1; | |
1012 | break; | |
1e3472c5 TT |
1013 | case 'L': |
1014 | volume_label = optarg; | |
1015 | break; | |
1016 | case 'M': | |
1017 | mount_dir = optarg; | |
1018 | break; | |
896938d5 | 1019 | case 'O': |
f3561ed5 TT |
1020 | if (!strcmp(optarg, "none") || default_features) { |
1021 | param.s_feature_compat = 0; | |
1022 | param.s_feature_incompat = 0; | |
1023 | param.s_feature_ro_compat = 0; | |
1024 | default_features = 0; | |
1025 | } | |
1026 | if (!strcmp(optarg, "none")) | |
1027 | break; | |
1028 | if (e2p_edit_feature(optarg, | |
1029 | ¶m.s_feature_compat, | |
1030 | ok_features)) { | |
1031 | fprintf(stderr, | |
1032 | _("Invalid filesystem option set: %s\n"), optarg); | |
1033 | exit(1); | |
1034 | } | |
896938d5 | 1035 | break; |
a29f4d30 TT |
1036 | case 'R': |
1037 | raid_opts = optarg; | |
1038 | break; | |
f3db3566 TT |
1039 | case 'S': |
1040 | super_only = 1; | |
1041 | break; | |
50787ea2 TT |
1042 | case 'T': |
1043 | fs_type = optarg; | |
1044 | break; | |
818180cd TT |
1045 | case 'V': |
1046 | /* Print version number and exit */ | |
d9c56d3c | 1047 | fprintf(stderr, _("\tUsing %s\n"), |
818180cd TT |
1048 | error_message(EXT2_ET_BASE)); |
1049 | exit(0); | |
3839e657 TT |
1050 | default: |
1051 | usage(); | |
1052 | } | |
1053 | if (optind == argc) | |
1054 | usage(); | |
1055 | device_name = argv[optind]; | |
1056 | optind++; | |
1057 | if (optind < argc) { | |
e1a0a3e3 TT |
1058 | unsigned long tmp2 = strtoul(argv[optind++], &tmp, 0); |
1059 | ||
1060 | if ((*tmp) || (tmp2 > 0xfffffffful)) { | |
d9c56d3c | 1061 | com_err(program_name, 0, _("bad blocks count - %s"), |
3839e657 TT |
1062 | argv[optind - 1]); |
1063 | exit(1); | |
1064 | } | |
e1a0a3e3 | 1065 | param.s_blocks_count = tmp2; |
3839e657 TT |
1066 | } |
1067 | if (optind < argc) | |
1068 | usage(); | |
a418d3ad | 1069 | |
a29f4d30 TT |
1070 | if (raid_opts) |
1071 | parse_raid_opts(raid_opts); | |
1072 | ||
77dc4eb0 TT |
1073 | /* |
1074 | * If there's no blocksize specified and there is a journal | |
1075 | * device, use it to figure out the blocksize | |
1076 | */ | |
c5290fae | 1077 | if (blocksize <= 0 && journal_device) { |
77dc4eb0 TT |
1078 | ext2_filsys jfs; |
1079 | ||
1080 | retval = ext2fs_open(journal_device, | |
1081 | EXT2_FLAG_JOURNAL_DEV_OK, 0, | |
1082 | 0, unix_io_manager, &jfs); | |
1083 | if (retval) { | |
1084 | com_err(program_name, retval, | |
1085 | _("while trying to open journal device %s\n"), | |
1086 | journal_device); | |
1087 | exit(1); | |
1088 | } | |
c5290fae TT |
1089 | if ((blocksize < 0) && (jfs->blocksize < -blocksize)) { |
1090 | com_err(program_name, 0, | |
1091 | _("Journal dev blocksize (%d) smaller than" | |
1092 | "minimum blocksize %d\n"), jfs->blocksize, | |
1093 | -blocksize); | |
1094 | exit(1); | |
1095 | } | |
77dc4eb0 TT |
1096 | blocksize = jfs->blocksize; |
1097 | param.s_log_block_size = | |
1098 | int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); | |
1099 | ext2fs_close(jfs); | |
1100 | } | |
dc2ec525 | 1101 | |
31e29a12 | 1102 | if (blocksize > sys_page_size) { |
932a489c AD |
1103 | if (!force) { |
1104 | com_err(program_name, 0, | |
1105 | _("%d-byte blocks too big for system (max %d)"), | |
31e29a12 | 1106 | blocksize, sys_page_size); |
932a489c AD |
1107 | proceed_question(); |
1108 | } | |
1109 | fprintf(stderr, _("Warning: %d-byte blocks too big for system " | |
1110 | "(max %d), forced to continue\n"), | |
31e29a12 | 1111 | blocksize, sys_page_size); |
932a489c AD |
1112 | } |
1113 | ||
fa72458a AD |
1114 | if (param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { |
1115 | if (!fs_type) | |
1116 | fs_type = "journal"; | |
1117 | reserved_ratio = 0; | |
f3561ed5 TT |
1118 | param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; |
1119 | param.s_feature_compat = 0; | |
1120 | param.s_feature_ro_compat = 0; | |
1121 | } | |
14bbcbc3 TT |
1122 | if (param.s_rev_level == EXT2_GOOD_OLD_REV && |
1123 | (param.s_feature_compat || param.s_feature_ro_compat || | |
1124 | param.s_feature_incompat)) | |
1125 | param.s_rev_level = 1; /* Create a revision 1 filesystem */ | |
1126 | ||
74becf3c | 1127 | if (!force) |
8ddaa66b | 1128 | check_plausibility(device_name); |
63985320 | 1129 | check_mount(device_name, force, _("filesystem")); |
a418d3ad | 1130 | |
3839e657 TT |
1131 | param.s_log_frag_size = param.s_log_block_size; |
1132 | ||
50787ea2 TT |
1133 | if (noaction && param.s_blocks_count) { |
1134 | dev_size = param.s_blocks_count; | |
1135 | retval = 0; | |
1136 | } else | |
1137 | retval = ext2fs_get_device_size(device_name, | |
1138 | EXT2_BLOCK_SIZE(¶m), | |
1139 | &dev_size); | |
a789d840 TT |
1140 | if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { |
1141 | com_err(program_name, retval, | |
d9c56d3c | 1142 | _("while trying to determine filesystem size")); |
a789d840 TT |
1143 | exit(1); |
1144 | } | |
a418d3ad | 1145 | if (!param.s_blocks_count) { |
a789d840 TT |
1146 | if (retval == EXT2_ET_UNIMPLEMENTED) { |
1147 | com_err(program_name, 0, | |
d9c56d3c | 1148 | _("Couldn't determine device size; you " |
a789d840 | 1149 | "must specify\nthe size of the " |
d9c56d3c | 1150 | "filesystem\n")); |
a418d3ad | 1151 | exit(1); |
26ab5315 TT |
1152 | } else { |
1153 | if (dev_size == 0) { | |
1154 | com_err(program_name, 0, | |
1155 | _("Device size reported to be zero. " | |
1156 | "Invalid partition specified, or\n\t" | |
1157 | "partition table wasn't reread " | |
1158 | "after running fdisk, due to\n\t" | |
1159 | "a modified partition being busy " | |
1160 | "and in use. You may need to reboot\n\t" | |
1161 | "to re-read your partition table.\n" | |
1162 | )); | |
1163 | exit(1); | |
1164 | } | |
a789d840 | 1165 | param.s_blocks_count = dev_size; |
26ab5315 TT |
1166 | } |
1167 | ||
a789d840 TT |
1168 | } else if (!force && (param.s_blocks_count > dev_size)) { |
1169 | com_err(program_name, 0, | |
c5290fae | 1170 | _("Filesystem larger than apparent device size.")); |
a789d840 | 1171 | proceed_question(); |
a418d3ad | 1172 | } |
3839e657 | 1173 | |
dc2ec525 TT |
1174 | /* |
1175 | * If the user asked for HAS_JOURNAL, then make sure a journal | |
1176 | * gets created. | |
1177 | */ | |
1178 | if ((param.s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) && | |
1179 | !journal_size) | |
1180 | journal_size = -1; | |
77dc4eb0 | 1181 | |
c046ac7f TT |
1182 | /* Set first meta blockgroup via an environment variable */ |
1183 | /* (this is mostly for debugging purposes) */ | |
1184 | if ((param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && | |
1185 | ((tmp = getenv("MKE2FS_FIRST_META_BG")))) | |
1186 | param.s_first_meta_bg = atoi(tmp); | |
1187 | ||
dc2ec525 | 1188 | set_fs_defaults(fs_type, ¶m, blocksize, &inode_ratio); |
c5290fae TT |
1189 | blocksize = EXT2_BLOCK_SIZE(¶m); |
1190 | ||
521e3685 TT |
1191 | if (param.s_blocks_per_group) { |
1192 | if (param.s_blocks_per_group < 256 || | |
c5290fae | 1193 | param.s_blocks_per_group > 8 * blocksize) { |
521e3685 | 1194 | com_err(program_name, 0, |
d9c56d3c | 1195 | _("blocks per group count out of range")); |
521e3685 TT |
1196 | exit(1); |
1197 | } | |
1198 | } | |
1199 | ||
932a489c AD |
1200 | if (inode_size) { |
1201 | if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || | |
1202 | inode_size > EXT2_BLOCK_SIZE(¶m) || | |
1203 | inode_size & (inode_size - 1)) { | |
1204 | com_err(program_name, 0, | |
1205 | _("bad inode size %d (min %d/max %d)"), | |
1206 | inode_size, EXT2_GOOD_OLD_INODE_SIZE, | |
c5290fae | 1207 | blocksize); |
932a489c AD |
1208 | exit(1); |
1209 | } | |
1210 | if (inode_size != EXT2_GOOD_OLD_INODE_SIZE) | |
1211 | fprintf(stderr, _("Warning: %d-byte inodes not usable " | |
1212 | "on most systems\n"), | |
1213 | inode_size); | |
1214 | param.s_inode_size = inode_size; | |
1215 | } | |
1216 | ||
3839e657 TT |
1217 | /* |
1218 | * Calculate number of inodes based on the inode ratio | |
1219 | */ | |
5515e6b4 | 1220 | param.s_inodes_count = num_inodes ? num_inodes : |
c5290fae | 1221 | ((__u64) param.s_blocks_count * blocksize) |
f3db3566 | 1222 | / inode_ratio; |
3839e657 TT |
1223 | |
1224 | /* | |
1225 | * Calculate number of blocks to reserve | |
1226 | */ | |
1227 | param.s_r_blocks_count = (param.s_blocks_count * reserved_ratio) / 100; | |
521e3685 | 1228 | |
3839e657 TT |
1229 | } |
1230 | ||
1231 | int main (int argc, char *argv[]) | |
1232 | { | |
1233 | errcode_t retval = 0; | |
1234 | ext2_filsys fs; | |
1235 | badblocks_list bb_list = 0; | |
85ef4ae8 | 1236 | int journal_blocks; |
44c09c04 | 1237 | int i, val; |
d9c56d3c TT |
1238 | |
1239 | #ifdef ENABLE_NLS | |
1240 | setlocale(LC_MESSAGES, ""); | |
14308a53 | 1241 | setlocale(LC_CTYPE, ""); |
d9c56d3c TT |
1242 | bindtextdomain(NLS_CAT_NAME, LOCALEDIR); |
1243 | textdomain(NLS_CAT_NAME); | |
1244 | #endif | |
3839e657 TT |
1245 | PRS(argc, argv); |
1246 | ||
3839e657 TT |
1247 | /* |
1248 | * Initialize the superblock.... | |
1249 | */ | |
1250 | retval = ext2fs_initialize(device_name, 0, ¶m, | |
1251 | unix_io_manager, &fs); | |
1252 | if (retval) { | |
d9c56d3c | 1253 | com_err(device_name, retval, _("while setting up superblock")); |
3839e657 TT |
1254 | exit(1); |
1255 | } | |
1256 | ||
e41784eb TT |
1257 | /* |
1258 | * Wipe out the old on-disk superblock | |
1259 | */ | |
04a96857 TT |
1260 | if (!noaction) |
1261 | zap_sector(fs, 2, 6); | |
e41784eb | 1262 | |
1e3472c5 TT |
1263 | /* |
1264 | * Generate a UUID for it... | |
1265 | */ | |
ef9abe5f | 1266 | uuid_generate(fs->super->s_uuid); |
1e3472c5 | 1267 | |
843049c4 TT |
1268 | /* |
1269 | * Initialize the directory index variables | |
1270 | */ | |
1271 | fs->super->s_def_hash_version = EXT2_HASH_TEA; | |
1272 | uuid_generate((unsigned char *) fs->super->s_hash_seed); | |
1273 | ||
44c09c04 TT |
1274 | /* |
1275 | * Add "jitter" to the superblock's check interval so that we | |
1276 | * don't check all the filesystems at the same time. We use a | |
1277 | * kludgy hack of using the UUID to derive a random jitter value. | |
1278 | */ | |
1279 | for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) | |
1280 | val += fs->super->s_uuid[i]; | |
1281 | fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; | |
1282 | ||
1e3472c5 TT |
1283 | /* |
1284 | * Override the creator OS, if applicable | |
1285 | */ | |
1286 | if (creator_os && !set_os(fs->super, creator_os)) { | |
d9c56d3c | 1287 | com_err (program_name, 0, _("unknown os - %s"), creator_os); |
1e3472c5 TT |
1288 | exit(1); |
1289 | } | |
1290 | ||
4ea0a110 TT |
1291 | /* |
1292 | * For the Hurd, we will turn off filetype since it doesn't | |
1293 | * support it. | |
1294 | */ | |
1295 | if (fs->super->s_creator_os == EXT2_OS_HURD) | |
1296 | fs->super->s_feature_incompat &= | |
1297 | ~EXT2_FEATURE_INCOMPAT_FILETYPE; | |
1298 | ||
1e3472c5 TT |
1299 | /* |
1300 | * Set the volume label... | |
1301 | */ | |
1302 | if (volume_label) { | |
ef9abe5f TT |
1303 | memset(fs->super->s_volume_name, 0, |
1304 | sizeof(fs->super->s_volume_name)); | |
1305 | strncpy(fs->super->s_volume_name, volume_label, | |
1306 | sizeof(fs->super->s_volume_name)); | |
1e3472c5 TT |
1307 | } |
1308 | ||
1309 | /* | |
1310 | * Set the last mount directory | |
1311 | */ | |
1312 | if (mount_dir) { | |
ef9abe5f TT |
1313 | memset(fs->super->s_last_mounted, 0, |
1314 | sizeof(fs->super->s_last_mounted)); | |
1315 | strncpy(fs->super->s_last_mounted, mount_dir, | |
1316 | sizeof(fs->super->s_last_mounted)); | |
1e3472c5 TT |
1317 | } |
1318 | ||
50787ea2 | 1319 | if (!quiet || noaction) |
3839e657 TT |
1320 | show_stats(fs); |
1321 | ||
50787ea2 TT |
1322 | if (noaction) |
1323 | exit(0); | |
1324 | ||
16ed5b3a TT |
1325 | if (fs->super->s_feature_incompat & |
1326 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { | |
1327 | create_journal_dev(fs); | |
568101f7 | 1328 | exit(ext2fs_close(fs) ? 1 : 0); |
16ed5b3a TT |
1329 | } |
1330 | ||
3839e657 TT |
1331 | if (bad_blocks_filename) |
1332 | read_bb_file(fs, &bb_list, bad_blocks_filename); | |
1333 | if (cflag) | |
1334 | test_disk(fs, &bb_list); | |
1335 | ||
1336 | handle_bad_blocks(fs, bb_list); | |
a29f4d30 | 1337 | fs->stride = fs_stride; |
19c78dc0 TT |
1338 | retval = ext2fs_allocate_tables(fs); |
1339 | if (retval) { | |
1340 | com_err(program_name, retval, | |
d9c56d3c | 1341 | _("while trying to allocate filesystem tables")); |
19c78dc0 TT |
1342 | exit(1); |
1343 | } | |
f3db3566 TT |
1344 | if (super_only) { |
1345 | fs->super->s_state |= EXT2_ERROR_FS; | |
1346 | fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); | |
1347 | } else { | |
59f27247 | 1348 | /* rsv must be a power of two (64kB is MD RAID sb alignment) */ |
04a96857 | 1349 | int rsv = 65536 / fs->blocksize; |
1400bbb6 | 1350 | unsigned long blocks = fs->super->s_blocks_count; |
59f27247 | 1351 | unsigned long start; |
1400bbb6 TT |
1352 | blk_t ret_blk; |
1353 | ||
1354 | #ifdef ZAP_BOOTBLOCK | |
04a96857 | 1355 | zap_sector(fs, 0, 2); |
1400bbb6 | 1356 | #endif |
59f27247 | 1357 | |
1400bbb6 TT |
1358 | /* |
1359 | * Wipe out any old MD RAID (or other) metadata at the end | |
1360 | * of the device. This will also verify that the device is | |
59f27247 | 1361 | * as large as we think. Be careful with very small devices. |
1400bbb6 | 1362 | */ |
59f27247 AD |
1363 | start = (blocks & ~(rsv - 1)); |
1364 | if (start > rsv) | |
1365 | start -= rsv; | |
1366 | if (start > 0) | |
1367 | retval = zero_blocks(fs, start, blocks - start, | |
1368 | NULL, &ret_blk, NULL); | |
1369 | ||
1400bbb6 TT |
1370 | if (retval) { |
1371 | com_err(program_name, retval, | |
f044b4d8 | 1372 | _("while zeroing block %u at end of filesystem"), |
1400bbb6 | 1373 | ret_blk); |
1400bbb6 | 1374 | } |
19c78dc0 | 1375 | write_inode_tables(fs); |
f3db3566 TT |
1376 | create_root_dir(fs); |
1377 | create_lost_and_found(fs); | |
1378 | reserve_inodes(fs); | |
1379 | create_bad_block_inode(fs, bb_list); | |
f3db3566 | 1380 | } |
8ddaa66b | 1381 | |
16ed5b3a TT |
1382 | if (journal_device) { |
1383 | ext2_filsys jfs; | |
1384 | ||
8ddaa66b TT |
1385 | if (!force) |
1386 | check_plausibility(journal_device); | |
63985320 | 1387 | check_mount(journal_device, force, _("journal")); |
8ddaa66b | 1388 | |
16ed5b3a TT |
1389 | retval = ext2fs_open(journal_device, EXT2_FLAG_RW| |
1390 | EXT2_FLAG_JOURNAL_DEV_OK, 0, | |
1391 | fs->blocksize, unix_io_manager, &jfs); | |
1392 | if (retval) { | |
1393 | com_err(program_name, retval, | |
1394 | _("while trying to open journal device %s\n"), | |
1395 | journal_device); | |
1396 | exit(1); | |
1397 | } | |
93345d15 | 1398 | if (!quiet) { |
77dc4eb0 | 1399 | printf(_("Adding journal to device %s: "), |
8ddaa66b | 1400 | journal_device); |
93345d15 TT |
1401 | fflush(stdout); |
1402 | } | |
16ed5b3a TT |
1403 | retval = ext2fs_add_journal_device(fs, jfs); |
1404 | if(retval) { | |
8ddaa66b | 1405 | com_err (program_name, retval, |
1d08d9bf | 1406 | _("\n\twhile trying to add journal to device %s"), |
8ddaa66b TT |
1407 | journal_device); |
1408 | exit(1); | |
1409 | } | |
1410 | if (!quiet) | |
1411 | printf(_("done\n")); | |
16ed5b3a | 1412 | ext2fs_close(jfs); |
2d15576d | 1413 | free(journal_device); |
8ddaa66b | 1414 | } else if (journal_size) { |
2537b6d0 | 1415 | journal_blocks = figure_journal_size(journal_size, fs); |
93345d15 TT |
1416 | |
1417 | if (!journal_blocks) { | |
1418 | fs->super->s_feature_compat &= | |
1419 | ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; | |
1420 | goto no_journal; | |
1421 | } | |
1422 | if (!quiet) { | |
16ad3334 TT |
1423 | printf(_("Creating journal (%d blocks): "), |
1424 | journal_blocks); | |
93345d15 TT |
1425 | fflush(stdout); |
1426 | } | |
63985320 TT |
1427 | retval = ext2fs_add_journal_inode(fs, journal_blocks, |
1428 | journal_flags); | |
85ef4ae8 TT |
1429 | if (retval) { |
1430 | com_err (program_name, retval, | |
1d08d9bf | 1431 | _("\n\twhile trying to create journal")); |
85ef4ae8 TT |
1432 | exit(1); |
1433 | } | |
1434 | if (!quiet) | |
1435 | printf(_("done\n")); | |
1436 | } | |
93345d15 TT |
1437 | no_journal: |
1438 | ||
3839e657 | 1439 | if (!quiet) |
d9c56d3c TT |
1440 | printf(_("Writing superblocks and " |
1441 | "filesystem accounting information: ")); | |
5d45d803 TT |
1442 | retval = ext2fs_flush(fs); |
1443 | if (retval) { | |
6693837e TT |
1444 | fprintf(stderr, |
1445 | _("\nWarning, had trouble writing out superblocks.")); | |
5d45d803 | 1446 | } |
93345d15 | 1447 | if (!quiet) { |
2537b6d0 | 1448 | printf(_("done\n\n")); |
66cf2f60 | 1449 | print_check_message(fs); |
93345d15 | 1450 | } |
568101f7 AD |
1451 | val = ext2fs_close(fs); |
1452 | return (retval || val) ? 1 : 0; | |
3839e657 | 1453 | } |