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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; | |
a4396e9d | 80 | int lazy_itable_init; |
16ed5b3a TT |
81 | char *bad_blocks_filename; |
82 | __u32 fs_stride; | |
3839e657 | 83 | |
9b9a780f | 84 | struct ext2_super_block fs_param; |
16ed5b3a TT |
85 | char *creator_os; |
86 | char *volume_label; | |
87 | char *mount_dir; | |
88 | char *journal_device; | |
89 | int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ | |
3839e657 | 90 | |
9dc6ad1e TT |
91 | profile_t profile; |
92 | ||
31e29a12 | 93 | int sys_page_size = 4096; |
d99225ec | 94 | int linux_version_code = 0; |
31e29a12 | 95 | |
63985320 | 96 | static void usage(void) |
3839e657 | 97 | { |
bdd80f28 | 98 | fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " |
067911ae | 99 | "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] " |
bdd80f28 | 100 | "[-J journal-options]\n" |
067911ae AD |
101 | "\t[-N number-of-inodes] [-m reserved-blocks-percentage] " |
102 | "[-o creator-os]\n\t[-g blocks-per-group] [-L volume-label] " | |
103 | "[-M last-mounted-directory]\n\t[-O feature[,...]] " | |
bdd80f28 TT |
104 | "[-r fs-revision] [-E extended-option[,...]]\n" |
105 | "\t[-T fs-type] [-jnqvFSV] device [blocks-count]\n"), | |
3839e657 TT |
106 | program_name); |
107 | exit(1); | |
108 | } | |
109 | ||
6733c2fd | 110 | static int int_log2(int arg) |
3839e657 TT |
111 | { |
112 | int l = 0; | |
113 | ||
114 | arg >>= 1; | |
115 | while (arg) { | |
116 | l++; | |
117 | arg >>= 1; | |
118 | } | |
119 | return l; | |
120 | } | |
121 | ||
6733c2fd | 122 | static int int_log10(unsigned int arg) |
1dde43f0 TT |
123 | { |
124 | int l; | |
125 | ||
126 | for (l=0; arg ; l++) | |
127 | arg = arg / 10; | |
128 | return l; | |
129 | } | |
130 | ||
d99225ec TT |
131 | static int parse_version_number(const char *s) |
132 | { | |
133 | int major, minor, rev; | |
134 | char *endptr; | |
135 | const char *cp = s; | |
136 | ||
137 | if (!s) | |
138 | return 0; | |
139 | major = strtol(cp, &endptr, 10); | |
140 | if (cp == endptr || *endptr != '.') | |
141 | return 0; | |
142 | cp = endptr + 1; | |
143 | minor = strtol(cp, &endptr, 10); | |
144 | if (cp == endptr || *endptr != '.') | |
145 | return 0; | |
146 | cp = endptr + 1; | |
147 | rev = strtol(cp, &endptr, 10); | |
148 | if (cp == endptr) | |
149 | return 0; | |
150 | return ((((major * 256) + minor) * 256) + rev); | |
151 | } | |
152 | ||
3839e657 TT |
153 | /* |
154 | * Helper function for read_bb_file and test_disk | |
155 | */ | |
54434927 | 156 | static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) |
3839e657 | 157 | { |
6693837e | 158 | fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); |
3839e657 TT |
159 | return; |
160 | } | |
161 | ||
162 | /* | |
163 | * Reads the bad blocks list from a file | |
164 | */ | |
165 | static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, | |
166 | const char *bad_blocks_file) | |
167 | { | |
168 | FILE *f; | |
169 | errcode_t retval; | |
170 | ||
171 | f = fopen(bad_blocks_file, "r"); | |
172 | if (!f) { | |
173 | com_err("read_bad_blocks_file", errno, | |
d9c56d3c | 174 | _("while trying to open %s"), bad_blocks_file); |
3839e657 TT |
175 | exit(1); |
176 | } | |
177 | retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); | |
178 | fclose (f); | |
179 | if (retval) { | |
180 | com_err("ext2fs_read_bb_FILE", retval, | |
d9c56d3c | 181 | _("while reading in list of bad blocks from file")); |
3839e657 TT |
182 | exit(1); |
183 | } | |
184 | } | |
185 | ||
186 | /* | |
187 | * Runs the badblocks program to test the disk | |
188 | */ | |
189 | static void test_disk(ext2_filsys fs, badblocks_list *bb_list) | |
190 | { | |
191 | FILE *f; | |
192 | errcode_t retval; | |
193 | char buf[1024]; | |
194 | ||
d0ff90d5 | 195 | sprintf(buf, "badblocks -b %d -X %s%s%s %u", fs->blocksize, |
3ed57c27 | 196 | quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", |
8ade4792 | 197 | fs->device_name, fs->super->s_blocks_count-1); |
3839e657 | 198 | if (verbose) |
d9c56d3c | 199 | printf(_("Running command: %s\n"), buf); |
3839e657 TT |
200 | f = popen(buf, "r"); |
201 | if (!f) { | |
202 | com_err("popen", errno, | |
f37ab68a | 203 | _("while trying to run '%s'"), buf); |
3839e657 TT |
204 | exit(1); |
205 | } | |
206 | retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); | |
f3db3566 | 207 | pclose(f); |
3839e657 TT |
208 | if (retval) { |
209 | com_err("ext2fs_read_bb_FILE", retval, | |
d9c56d3c | 210 | _("while processing list of bad blocks from program")); |
3839e657 TT |
211 | exit(1); |
212 | } | |
213 | } | |
214 | ||
215 | static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) | |
216 | { | |
54434927 TT |
217 | dgrp_t i; |
218 | blk_t j; | |
219 | unsigned must_be_good; | |
3839e657 TT |
220 | blk_t blk; |
221 | badblocks_iterate bb_iter; | |
222 | errcode_t retval; | |
f3db3566 TT |
223 | blk_t group_block; |
224 | int group; | |
225 | int group_bad; | |
3839e657 TT |
226 | |
227 | if (!bb_list) | |
228 | return; | |
229 | ||
230 | /* | |
231 | * The primary superblock and group descriptors *must* be | |
232 | * good; if not, abort. | |
233 | */ | |
234 | must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; | |
235 | for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { | |
cbbf031b | 236 | if (ext2fs_badblocks_list_test(bb_list, i)) { |
d9c56d3c TT |
237 | fprintf(stderr, _("Block %d in primary " |
238 | "superblock/group descriptor area bad.\n"), i); | |
d0ff90d5 | 239 | fprintf(stderr, _("Blocks %u through %u must be good " |
d9c56d3c | 240 | "in order to build a filesystem.\n"), |
3839e657 | 241 | fs->super->s_first_data_block, must_be_good); |
54434927 | 242 | fputs(_("Aborting....\n"), stderr); |
3839e657 TT |
243 | exit(1); |
244 | } | |
245 | } | |
f3db3566 TT |
246 | |
247 | /* | |
248 | * See if any of the bad blocks are showing up in the backup | |
249 | * superblocks and/or group descriptors. If so, issue a | |
250 | * warning and adjust the block counts appropriately. | |
251 | */ | |
252 | group_block = fs->super->s_first_data_block + | |
253 | fs->super->s_blocks_per_group; | |
f3db3566 TT |
254 | |
255 | for (i = 1; i < fs->group_desc_count; i++) { | |
92bcc595 | 256 | group_bad = 0; |
f3db3566 | 257 | for (j=0; j < fs->desc_blocks+1; j++) { |
cbbf031b TT |
258 | if (ext2fs_badblocks_list_test(bb_list, |
259 | group_block + j)) { | |
f3db3566 TT |
260 | if (!group_bad) |
261 | fprintf(stderr, | |
8deb80a5 | 262 | _("Warning: the backup superblock/group descriptors at block %u contain\n" |
d9c56d3c | 263 | " bad blocks.\n\n"), |
f3db3566 TT |
264 | group_block); |
265 | group_bad++; | |
266 | group = ext2fs_group_of_blk(fs, group_block+j); | |
267 | fs->group_desc[group].bg_free_blocks_count++; | |
5711ed29 | 268 | ext2fs_group_desc_csum_set(fs, group); |
f3db3566 TT |
269 | fs->super->s_free_blocks_count++; |
270 | } | |
271 | } | |
272 | group_block += fs->super->s_blocks_per_group; | |
273 | } | |
3839e657 TT |
274 | |
275 | /* | |
276 | * Mark all the bad blocks as used... | |
277 | */ | |
cbbf031b | 278 | retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); |
3839e657 | 279 | if (retval) { |
cbbf031b | 280 | com_err("ext2fs_badblocks_list_iterate_begin", retval, |
d9c56d3c | 281 | _("while marking bad blocks as used")); |
3839e657 TT |
282 | exit(1); |
283 | } | |
cbbf031b | 284 | while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) |
f3db3566 | 285 | ext2fs_mark_block_bitmap(fs->block_map, blk); |
cbbf031b | 286 | ext2fs_badblocks_list_iterate_end(bb_iter); |
3839e657 TT |
287 | } |
288 | ||
16ed5b3a TT |
289 | /* |
290 | * These functions implement a generalized progress meter. | |
291 | */ | |
292 | struct progress_struct { | |
293 | char format[20]; | |
294 | char backup[80]; | |
295 | __u32 max; | |
1cca86f5 | 296 | int skip_progress; |
16ed5b3a | 297 | }; |
7d5633cf | 298 | |
16ed5b3a | 299 | static void progress_init(struct progress_struct *progress, |
4ea7bd04 | 300 | const char *label,__u32 max) |
16ed5b3a TT |
301 | { |
302 | int i; | |
3839e657 | 303 | |
16ed5b3a TT |
304 | memset(progress, 0, sizeof(struct progress_struct)); |
305 | if (quiet) | |
306 | return; | |
1dde43f0 TT |
307 | |
308 | /* | |
309 | * Figure out how many digits we need | |
310 | */ | |
16ed5b3a TT |
311 | i = int_log10(max); |
312 | sprintf(progress->format, "%%%dd/%%%dld", i, i); | |
313 | memset(progress->backup, '\b', sizeof(progress->backup)-1); | |
314 | progress->backup[sizeof(progress->backup)-1] = 0; | |
54434927 | 315 | if ((2*i)+1 < (int) sizeof(progress->backup)) |
16ed5b3a TT |
316 | progress->backup[(2*i)+1] = 0; |
317 | progress->max = max; | |
318 | ||
1cca86f5 TT |
319 | progress->skip_progress = 0; |
320 | if (getenv("MKE2FS_SKIP_PROGRESS")) | |
321 | progress->skip_progress++; | |
322 | ||
16ed5b3a TT |
323 | fputs(label, stdout); |
324 | fflush(stdout); | |
325 | } | |
326 | ||
327 | static void progress_update(struct progress_struct *progress, __u32 val) | |
328 | { | |
1cca86f5 | 329 | if ((progress->format[0] == 0) || progress->skip_progress) |
16ed5b3a TT |
330 | return; |
331 | printf(progress->format, val, progress->max); | |
332 | fputs(progress->backup, stdout); | |
333 | } | |
334 | ||
335 | static void progress_close(struct progress_struct *progress) | |
336 | { | |
337 | if (progress->format[0] == 0) | |
338 | return; | |
339 | fputs(_("done \n"), stdout); | |
340 | } | |
341 | ||
342 | ||
343 | /* | |
344 | * Helper function which zeros out _num_ blocks starting at _blk_. In | |
345 | * case of an error, the details of the error is returned via _ret_blk_ | |
346 | * and _ret_count_ if they are non-NULL pointers. Returns 0 on | |
347 | * success, and an error code on an error. | |
348 | * | |
349 | * As a special case, if the first argument is NULL, then it will | |
350 | * attempt to free the static zeroizing buffer. (This is to keep | |
351 | * programs that check for memory leaks happy.) | |
352 | */ | |
353 | static errcode_t zero_blocks(ext2_filsys fs, blk_t blk, int num, | |
354 | struct progress_struct *progress, | |
355 | blk_t *ret_blk, int *ret_count) | |
356 | { | |
357 | int j, count, next_update, next_update_incr; | |
358 | static char *buf; | |
359 | errcode_t retval; | |
360 | ||
361 | /* If fs is null, clean up the static buffer and return */ | |
362 | if (!fs) { | |
363 | if (buf) { | |
364 | free(buf); | |
365 | buf = 0; | |
366 | } | |
367 | return 0; | |
368 | } | |
369 | /* Allocate the zeroizing buffer if necessary */ | |
370 | if (!buf) { | |
371 | buf = malloc(fs->blocksize * STRIDE_LENGTH); | |
372 | if (!buf) { | |
373 | com_err("malloc", ENOMEM, | |
374 | _("while allocating zeroizing buffer")); | |
375 | exit(1); | |
376 | } | |
377 | memset(buf, 0, fs->blocksize * STRIDE_LENGTH); | |
378 | } | |
379 | /* OK, do the write loop */ | |
380 | next_update = 0; | |
381 | next_update_incr = num / 100; | |
382 | if (next_update_incr < 1) | |
383 | next_update_incr = 1; | |
384 | for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) { | |
f044b4d8 TT |
385 | count = num - j; |
386 | if (count > STRIDE_LENGTH) | |
16ed5b3a | 387 | count = STRIDE_LENGTH; |
16ed5b3a TT |
388 | retval = io_channel_write_blk(fs->io, blk, count, buf); |
389 | if (retval) { | |
390 | if (ret_count) | |
391 | *ret_count = count; | |
392 | if (ret_blk) | |
393 | *ret_blk = blk; | |
394 | return retval; | |
395 | } | |
396 | if (progress && j > next_update) { | |
397 | next_update += num / 100; | |
398 | progress_update(progress, blk); | |
399 | } | |
400 | } | |
401 | return 0; | |
402 | } | |
403 | ||
a4396e9d | 404 | static void write_inode_tables(ext2_filsys fs, int lazy_flag) |
16ed5b3a TT |
405 | { |
406 | errcode_t retval; | |
407 | blk_t blk; | |
54434927 | 408 | dgrp_t i; |
0f2794c0 | 409 | int num, ipb; |
16ed5b3a TT |
410 | struct progress_struct progress; |
411 | ||
412 | if (quiet) | |
413 | memset(&progress, 0, sizeof(progress)); | |
414 | else | |
415 | progress_init(&progress, _("Writing inode tables: "), | |
416 | fs->group_desc_count); | |
1dde43f0 | 417 | |
3839e657 | 418 | for (i = 0; i < fs->group_desc_count; i++) { |
16ed5b3a | 419 | progress_update(&progress, i); |
3839e657 | 420 | |
19c78dc0 TT |
421 | blk = fs->group_desc[i].bg_inode_table; |
422 | num = fs->inode_blocks_per_group; | |
16ed5b3a | 423 | |
0f2794c0 TT |
424 | if (lazy_flag) { |
425 | ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super); | |
426 | printf("bg %i, num %d, ipb %d, unused %d ", | |
427 | i, num, ipb, fs->group_desc[i].bg_itable_unused); | |
428 | num = ((((fs->super->s_inodes_per_group - | |
429 | fs->group_desc[i].bg_itable_unused) * | |
430 | EXT2_INODE_SIZE(fs->super)) + | |
431 | EXT2_BLOCK_SIZE(fs->super) - 1) / | |
432 | EXT2_BLOCK_SIZE(fs->super)); | |
433 | printf("new num %d\n", num); | |
434 | } else { | |
d2d22a29 JS |
435 | /* The kernel doesn't need to zero the itable blocks */ |
436 | fs->group_desc[i].bg_flags |= EXT2_BG_INODE_ZEROED; | |
5711ed29 | 437 | ext2fs_group_desc_csum_set(fs, i); |
19c78dc0 | 438 | } |
0f2794c0 TT |
439 | retval = zero_blocks(fs, blk, num, 0, &blk, &num); |
440 | if (retval) { | |
441 | fprintf(stderr, _("\nCould not write %d " | |
442 | "blocks in inode table starting at %u: %s\n"), | |
443 | num, blk, error_message(retval)); | |
444 | exit(1); | |
445 | } | |
7d5633cf TT |
446 | if (sync_kludge) { |
447 | if (sync_kludge == 1) | |
448 | sync(); | |
449 | else if ((i % sync_kludge) == 0) | |
450 | sync(); | |
451 | } | |
3839e657 | 452 | } |
16ed5b3a TT |
453 | zero_blocks(0, 0, 0, 0, 0, 0); |
454 | progress_close(&progress); | |
3839e657 TT |
455 | } |
456 | ||
457 | static void create_root_dir(ext2_filsys fs) | |
458 | { | |
5113a6e3 | 459 | errcode_t retval; |
f3db3566 | 460 | struct ext2_inode inode; |
5113a6e3 | 461 | __u32 uid, gid; |
3839e657 TT |
462 | |
463 | retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); | |
464 | if (retval) { | |
d9c56d3c | 465 | com_err("ext2fs_mkdir", retval, _("while creating root dir")); |
3839e657 TT |
466 | exit(1); |
467 | } | |
f3db3566 TT |
468 | if (geteuid()) { |
469 | retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); | |
470 | if (retval) { | |
471 | com_err("ext2fs_read_inode", retval, | |
d9c56d3c | 472 | _("while reading root inode")); |
f3db3566 TT |
473 | exit(1); |
474 | } | |
5113a6e3 ES |
475 | uid = getuid(); |
476 | inode.i_uid = uid; | |
15343922 | 477 | ext2fs_set_i_uid_high(inode, uid >> 16); |
5113a6e3 ES |
478 | if (uid) { |
479 | gid = getgid(); | |
480 | inode.i_gid = gid; | |
15343922 | 481 | ext2fs_set_i_gid_high(inode, gid >> 16); |
5113a6e3 | 482 | } |
e27b4563 | 483 | retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); |
f3db3566 TT |
484 | if (retval) { |
485 | com_err("ext2fs_write_inode", retval, | |
d9c56d3c | 486 | _("while setting root inode ownership")); |
f3db3566 TT |
487 | exit(1); |
488 | } | |
489 | } | |
3839e657 TT |
490 | } |
491 | ||
492 | static void create_lost_and_found(ext2_filsys fs) | |
493 | { | |
2d328bb7 | 494 | unsigned int lpf_size = 0; |
3839e657 | 495 | errcode_t retval; |
dfcdc32f | 496 | ext2_ino_t ino; |
3839e657 TT |
497 | const char *name = "lost+found"; |
498 | int i; | |
499 | ||
6a525069 | 500 | fs->umask = 077; |
3839e657 TT |
501 | retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); |
502 | if (retval) { | |
d9c56d3c TT |
503 | com_err("ext2fs_mkdir", retval, |
504 | _("while creating /lost+found")); | |
3839e657 TT |
505 | exit(1); |
506 | } | |
507 | ||
508 | retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); | |
509 | if (retval) { | |
d9c56d3c TT |
510 | com_err("ext2_lookup", retval, |
511 | _("while looking up /lost+found")); | |
3839e657 TT |
512 | exit(1); |
513 | } | |
514 | ||
515 | for (i=1; i < EXT2_NDIR_BLOCKS; i++) { | |
8c7c6eb1 AD |
516 | /* Ensure that lost+found is at least 2 blocks, so we always |
517 | * test large empty blocks for big-block filesystems. */ | |
518 | if ((lpf_size += fs->blocksize) >= 16*1024 && | |
519 | lpf_size >= 2 * fs->blocksize) | |
50787ea2 | 520 | break; |
3839e657 TT |
521 | retval = ext2fs_expand_dir(fs, ino); |
522 | if (retval) { | |
523 | com_err("ext2fs_expand_dir", retval, | |
d9c56d3c | 524 | _("while expanding /lost+found")); |
3839e657 TT |
525 | exit(1); |
526 | } | |
6a525069 | 527 | } |
3839e657 TT |
528 | } |
529 | ||
530 | static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) | |
531 | { | |
532 | errcode_t retval; | |
533 | ||
f3db3566 | 534 | ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO); |
5711ed29 | 535 | ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); |
3839e657 TT |
536 | retval = ext2fs_update_bb_inode(fs, bb_list); |
537 | if (retval) { | |
538 | com_err("ext2fs_update_bb_inode", retval, | |
d9c56d3c | 539 | _("while setting bad block inode")); |
3839e657 TT |
540 | exit(1); |
541 | } | |
542 | ||
543 | } | |
544 | ||
545 | static void reserve_inodes(ext2_filsys fs) | |
546 | { | |
dfcdc32f TT |
547 | ext2_ino_t i; |
548 | int group; | |
3839e657 | 549 | |
5711ed29 TT |
550 | for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) |
551 | ext2fs_inode_alloc_stats2(fs, i, +1, 0); | |
3839e657 TT |
552 | ext2fs_mark_ib_dirty(fs); |
553 | } | |
554 | ||
756df353 | 555 | #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ |
7ef3bb83 | 556 | #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ |
756df353 | 557 | #define BSD_LABEL_OFFSET 64 |
756df353 | 558 | |
04a96857 | 559 | static void zap_sector(ext2_filsys fs, int sect, int nsect) |
f3db3566 | 560 | { |
3f85f65c | 561 | char *buf; |
f3db3566 | 562 | int retval; |
756df353 | 563 | unsigned int *magic; |
f3db3566 | 564 | |
3f85f65c | 565 | buf = malloc(512*nsect); |
568101f7 | 566 | if (!buf) { |
4ea7bd04 TT |
567 | printf(_("Out of memory erasing sectors %d-%d\n"), |
568 | sect, sect + nsect - 1); | |
568101f7 AD |
569 | exit(1); |
570 | } | |
756df353 | 571 | |
7ef3bb83 TT |
572 | if (sect == 0) { |
573 | /* Check for a BSD disklabel, and don't erase it if so */ | |
574 | retval = io_channel_read_blk(fs->io, 0, -512, buf); | |
575 | if (retval) | |
576 | fprintf(stderr, | |
577 | _("Warning: could not read block 0: %s\n"), | |
578 | error_message(retval)); | |
579 | else { | |
580 | magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); | |
581 | if ((*magic == BSD_DISKMAGIC) || | |
582 | (*magic == BSD_MAGICDISK)) | |
583 | return; | |
584 | } | |
756df353 | 585 | } |
756df353 | 586 | |
7098810d | 587 | memset(buf, 0, 512*nsect); |
e41784eb | 588 | io_channel_set_blksize(fs->io, 512); |
04a96857 | 589 | retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf); |
e41784eb | 590 | io_channel_set_blksize(fs->io, fs->blocksize); |
3f85f65c | 591 | free(buf); |
f3db3566 | 592 | if (retval) |
6693837e TT |
593 | fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), |
594 | sect, error_message(retval)); | |
f3db3566 | 595 | } |
16ed5b3a TT |
596 | |
597 | static void create_journal_dev(ext2_filsys fs) | |
598 | { | |
599 | struct progress_struct progress; | |
600 | errcode_t retval; | |
601 | char *buf; | |
dc2ec525 TT |
602 | blk_t blk; |
603 | int count; | |
16ed5b3a | 604 | |
d6a27e00 TT |
605 | retval = ext2fs_create_journal_superblock(fs, |
606 | fs->super->s_blocks_count, 0, &buf); | |
607 | if (retval) { | |
608 | com_err("create_journal_dev", retval, | |
609 | _("while initializing journal superblock")); | |
610 | exit(1); | |
611 | } | |
16ed5b3a TT |
612 | if (quiet) |
613 | memset(&progress, 0, sizeof(progress)); | |
614 | else | |
615 | progress_init(&progress, _("Zeroing journal device: "), | |
616 | fs->super->s_blocks_count); | |
617 | ||
16ed5b3a TT |
618 | retval = zero_blocks(fs, 0, fs->super->s_blocks_count, |
619 | &progress, &blk, &count); | |
620 | if (retval) { | |
621 | com_err("create_journal_dev", retval, | |
14bbcbc3 | 622 | _("while zeroing journal device (block %u, count %d)"), |
16ed5b3a TT |
623 | blk, count); |
624 | exit(1); | |
625 | } | |
dc2ec525 TT |
626 | zero_blocks(0, 0, 0, 0, 0, 0); |
627 | ||
dc2ec525 TT |
628 | retval = io_channel_write_blk(fs->io, |
629 | fs->super->s_first_data_block+1, | |
630 | 1, buf); | |
16ed5b3a TT |
631 | if (retval) { |
632 | com_err("create_journal_dev", retval, | |
633 | _("while writing journal superblock")); | |
634 | exit(1); | |
635 | } | |
636 | progress_close(&progress); | |
637 | } | |
f3db3566 | 638 | |
3839e657 TT |
639 | static void show_stats(ext2_filsys fs) |
640 | { | |
ef9abe5f | 641 | struct ext2_super_block *s = fs->super; |
1e3472c5 | 642 | char buf[80]; |
63253946 | 643 | char *os; |
3839e657 | 644 | blk_t group_block; |
54434927 TT |
645 | dgrp_t i; |
646 | int need, col_left; | |
3839e657 | 647 | |
9b9a780f | 648 | if (fs_param.s_blocks_count != s->s_blocks_count) |
8deb80a5 | 649 | fprintf(stderr, _("warning: %u blocks unused.\n\n"), |
9b9a780f | 650 | fs_param.s_blocks_count - s->s_blocks_count); |
50787ea2 TT |
651 | |
652 | memset(buf, 0, sizeof(buf)); | |
653 | strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); | |
d9c56d3c | 654 | printf(_("Filesystem label=%s\n"), buf); |
54434927 | 655 | fputs(_("OS type: "), stdout); |
63253946 TT |
656 | os = e2p_os2string(fs->super->s_creator_os); |
657 | fputs(os, stdout); | |
658 | free(os); | |
50787ea2 | 659 | printf("\n"); |
d9c56d3c | 660 | printf(_("Block size=%u (log=%u)\n"), fs->blocksize, |
50787ea2 | 661 | s->s_log_block_size); |
d9c56d3c | 662 | printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize, |
50787ea2 | 663 | s->s_log_frag_size); |
d9c56d3c | 664 | printf(_("%u inodes, %u blocks\n"), s->s_inodes_count, |
3839e657 | 665 | s->s_blocks_count); |
d9c56d3c | 666 | printf(_("%u blocks (%2.2f%%) reserved for the super user\n"), |
3839e657 TT |
667 | s->s_r_blocks_count, |
668 | 100.0 * s->s_r_blocks_count / s->s_blocks_count); | |
d9c56d3c | 669 | printf(_("First data block=%u\n"), s->s_first_data_block); |
d323f8fb TT |
670 | if (s->s_reserved_gdt_blocks) |
671 | printf(_("Maximum filesystem blocks=%lu\n"), | |
672 | (s->s_reserved_gdt_blocks + fs->desc_blocks) * | |
f2de1d38 | 673 | EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); |
d9c56d3c | 674 | if (fs->group_desc_count > 1) |
c8c071a0 | 675 | printf(_("%u block groups\n"), fs->group_desc_count); |
d9c56d3c | 676 | else |
c8c071a0 | 677 | printf(_("%u block group\n"), fs->group_desc_count); |
d9c56d3c | 678 | printf(_("%u blocks per group, %u fragments per group\n"), |
3839e657 | 679 | s->s_blocks_per_group, s->s_frags_per_group); |
d9c56d3c | 680 | printf(_("%u inodes per group\n"), s->s_inodes_per_group); |
3839e657 TT |
681 | |
682 | if (fs->group_desc_count == 1) { | |
683 | printf("\n"); | |
684 | return; | |
685 | } | |
d323f8fb | 686 | |
d9c56d3c | 687 | printf(_("Superblock backups stored on blocks: ")); |
3839e657 TT |
688 | group_block = s->s_first_data_block; |
689 | col_left = 0; | |
690 | for (i = 1; i < fs->group_desc_count; i++) { | |
691 | group_block += s->s_blocks_per_group; | |
521e3685 TT |
692 | if (!ext2fs_bg_has_super(fs, i)) |
693 | continue; | |
7671433a TT |
694 | if (i != 1) |
695 | printf(", "); | |
6733c2fd | 696 | need = int_log10(group_block) + 2; |
1dde43f0 | 697 | if (need > col_left) { |
3839e657 | 698 | printf("\n\t"); |
1dde43f0 | 699 | col_left = 72; |
3839e657 | 700 | } |
1dde43f0 | 701 | col_left -= need; |
a418d3ad | 702 | printf("%u", group_block); |
3839e657 TT |
703 | } |
704 | printf("\n\n"); | |
705 | } | |
706 | ||
1e3472c5 TT |
707 | /* |
708 | * Set the S_CREATOR_OS field. Return true if OS is known, | |
709 | * otherwise, 0. | |
710 | */ | |
711 | static int set_os(struct ext2_super_block *sb, char *os) | |
712 | { | |
713 | if (isdigit (*os)) | |
714 | sb->s_creator_os = atoi (os); | |
715 | else if (strcasecmp(os, "linux") == 0) | |
716 | sb->s_creator_os = EXT2_OS_LINUX; | |
717 | else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) | |
718 | sb->s_creator_os = EXT2_OS_HURD; | |
ea1e8f47 TT |
719 | else if (strcasecmp(os, "freebsd") == 0) |
720 | sb->s_creator_os = EXT2_OS_FREEBSD; | |
721 | else if (strcasecmp(os, "lites") == 0) | |
722 | sb->s_creator_os = EXT2_OS_LITES; | |
1e3472c5 TT |
723 | else |
724 | return 0; | |
725 | return 1; | |
726 | } | |
727 | ||
a418d3ad TT |
728 | #define PATH_SET "PATH=/sbin" |
729 | ||
c6a44136 TT |
730 | static void parse_extended_opts(struct ext2_super_block *param, |
731 | const char *opts) | |
a29f4d30 | 732 | { |
2d328bb7 | 733 | char *buf, *token, *next, *p, *arg, *badopt = 0; |
a29f4d30 | 734 | int len; |
d323f8fb | 735 | int r_usage = 0; |
a29f4d30 TT |
736 | |
737 | len = strlen(opts); | |
738 | buf = malloc(len+1); | |
739 | if (!buf) { | |
d323f8fb TT |
740 | fprintf(stderr, |
741 | _("Couldn't allocate memory to parse 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; | |
d323f8fb | 751 | } |
a29f4d30 TT |
752 | arg = strchr(token, '='); |
753 | if (arg) { | |
754 | *arg = 0; | |
755 | arg++; | |
756 | } | |
757 | if (strcmp(token, "stride") == 0) { | |
758 | if (!arg) { | |
d323f8fb | 759 | r_usage++; |
0c17cb25 | 760 | badopt = token; |
a29f4d30 TT |
761 | continue; |
762 | } | |
0c17cb25 TT |
763 | param->s_raid_stride = strtoul(arg, &p, 0); |
764 | if (*p || (param->s_raid_stride == 0)) { | |
d9c56d3c | 765 | fprintf(stderr, |
f37ab68a TT |
766 | _("Invalid stride parameter: %s\n"), |
767 | arg); | |
d323f8fb TT |
768 | r_usage++; |
769 | continue; | |
770 | } | |
0c17cb25 TT |
771 | } else if (strcmp(token, "stripe-width") == 0 || |
772 | strcmp(token, "stripe_width") == 0) { | |
773 | if (!arg) { | |
774 | r_usage++; | |
775 | badopt = token; | |
776 | continue; | |
777 | } | |
778 | param->s_raid_stripe_width = strtoul(arg, &p, 0); | |
779 | if (*p || (param->s_raid_stripe_width == 0)) { | |
780 | fprintf(stderr, | |
781 | _("Invalid stripe-width parameter: %s\n"), | |
782 | arg); | |
783 | r_usage++; | |
784 | continue; | |
785 | } | |
d323f8fb | 786 | } else if (!strcmp(token, "resize")) { |
c6a44136 TT |
787 | unsigned long resize, bpg, rsv_groups; |
788 | unsigned long group_desc_count, desc_blocks; | |
789 | unsigned int gdpb, blocksize; | |
790 | int rsv_gdb; | |
d323f8fb TT |
791 | |
792 | if (!arg) { | |
793 | r_usage++; | |
0c17cb25 | 794 | badopt = token; |
a29f4d30 TT |
795 | continue; |
796 | } | |
d323f8fb | 797 | |
55f4cbd9 TT |
798 | resize = parse_num_blocks(arg, |
799 | param->s_log_block_size); | |
d323f8fb TT |
800 | |
801 | if (resize == 0) { | |
55f4cbd9 TT |
802 | fprintf(stderr, |
803 | _("Invalid resize parameter: %s\n"), | |
804 | arg); | |
d323f8fb TT |
805 | r_usage++; |
806 | continue; | |
807 | } | |
c6a44136 TT |
808 | if (resize <= param->s_blocks_count) { |
809 | fprintf(stderr, | |
f37ab68a TT |
810 | _("The resize maximum must be greater " |
811 | "than the filesystem size.\n")); | |
c6a44136 TT |
812 | r_usage++; |
813 | continue; | |
814 | } | |
d323f8fb | 815 | |
c6a44136 TT |
816 | blocksize = EXT2_BLOCK_SIZE(param); |
817 | bpg = param->s_blocks_per_group; | |
818 | if (!bpg) | |
819 | bpg = blocksize * 8; | |
f2de1d38 | 820 | gdpb = EXT2_DESC_PER_BLOCK(param); |
69022e02 TT |
821 | group_desc_count = |
822 | ext2fs_div_ceil(param->s_blocks_count, bpg); | |
c6a44136 TT |
823 | desc_blocks = (group_desc_count + |
824 | gdpb - 1) / gdpb; | |
69022e02 TT |
825 | rsv_groups = ext2fs_div_ceil(resize, bpg); |
826 | rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - | |
c6a44136 | 827 | desc_blocks; |
9b9a780f | 828 | if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) |
c6a44136 TT |
829 | rsv_gdb = EXT2_ADDR_PER_BLOCK(param); |
830 | ||
831 | if (rsv_gdb > 0) { | |
b290d2dc TT |
832 | if (param->s_rev_level == EXT2_GOOD_OLD_REV) { |
833 | fprintf(stderr, | |
834 | _("On-line resizing not supported with revision 0 filesystems\n")); | |
21400381 | 835 | free(buf); |
b290d2dc TT |
836 | exit(1); |
837 | } | |
c6a44136 TT |
838 | param->s_feature_compat |= |
839 | EXT2_FEATURE_COMPAT_RESIZE_INODE; | |
840 | ||
841 | param->s_reserved_gdt_blocks = rsv_gdb; | |
842 | } | |
6cb27404 TT |
843 | } else if (!strcmp(token, "test_fs")) { |
844 | param->s_flags |= EXT2_FLAGS_TEST_FILESYS; | |
a4396e9d TT |
845 | } else if (!strcmp(token, "lazy_itable_init")) { |
846 | if (!arg) { | |
847 | r_usage++; | |
848 | badopt = token; | |
849 | continue; | |
850 | } | |
851 | lazy_itable_init = strtoul(arg, &p, 0); | |
0c17cb25 | 852 | } else { |
d323f8fb | 853 | r_usage++; |
0c17cb25 TT |
854 | badopt = token; |
855 | } | |
a29f4d30 | 856 | } |
d323f8fb | 857 | if (r_usage) { |
0c17cb25 | 858 | fprintf(stderr, _("\nBad option(s) specified: %s\n\n" |
bb145b01 | 859 | "Extended options are separated by commas, " |
a29f4d30 TT |
860 | "and may take an argument which\n" |
861 | "\tis set off by an equals ('=') sign.\n\n" | |
bb145b01 | 862 | "Valid extended options are:\n" |
0c17cb25 TT |
863 | "\tstride=<RAID per-disk data chunk in blocks>\n" |
864 | "\tstripe-width=<RAID stride * data disks in blocks>\n" | |
a4396e9d TT |
865 | "\tresize=<resize maximum size in blocks>\n" |
866 | "\tlazy_itable_init=<0 to disable, 1 to enable>\n" | |
867 | "\ttest_fs\n\n"), | |
2d328bb7 | 868 | badopt ? badopt : ""); |
21400381 | 869 | free(buf); |
a29f4d30 TT |
870 | exit(1); |
871 | } | |
0c17cb25 TT |
872 | if (param->s_raid_stride && |
873 | (param->s_raid_stripe_width % param->s_raid_stride) != 0) | |
874 | fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " | |
875 | "multiple of stride %u.\n\n"), | |
876 | param->s_raid_stripe_width, param->s_raid_stride); | |
877 | ||
21400381 | 878 | free(buf); |
a29f4d30 TT |
879 | } |
880 | ||
896938d5 | 881 | static __u32 ok_features[3] = { |
558df544 | 882 | /* Compat */ |
843049c4 | 883 | EXT3_FEATURE_COMPAT_HAS_JOURNAL | |
d323f8fb | 884 | EXT2_FEATURE_COMPAT_RESIZE_INODE | |
f5fa2007 | 885 | EXT2_FEATURE_COMPAT_DIR_INDEX | |
558df544 TT |
886 | EXT2_FEATURE_COMPAT_EXT_ATTR, |
887 | /* Incompat */ | |
888 | EXT2_FEATURE_INCOMPAT_FILETYPE| | |
bf6b848e | 889 | EXT3_FEATURE_INCOMPAT_EXTENTS| |
c046ac7f | 890 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| |
c2d4300b JS |
891 | EXT2_FEATURE_INCOMPAT_META_BG| |
892 | EXT4_FEATURE_INCOMPAT_FLEX_BG, | |
558df544 TT |
893 | /* R/O compat */ |
894 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE| | |
d2d22a29 JS |
895 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| |
896 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM | |
896938d5 | 897 | }; |
a29f4d30 TT |
898 | |
899 | ||
9dc6ad1e TT |
900 | static void syntax_err_report(const char *filename, long err, int line_num) |
901 | { | |
902 | fprintf(stderr, | |
903 | _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), | |
904 | filename, line_num, error_message(err)); | |
905 | exit(1); | |
906 | } | |
907 | ||
abcfdfda | 908 | static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; |
9dc6ad1e TT |
909 | |
910 | static void edit_feature(const char *str, __u32 *compat_array) | |
911 | { | |
912 | if (!str) | |
913 | return; | |
914 | ||
915 | if (e2p_edit_feature(str, compat_array, ok_features)) { | |
916 | fprintf(stderr, _("Invalid filesystem option set: %s\n"), | |
917 | str); | |
918 | exit(1); | |
919 | } | |
920 | } | |
921 | ||
3d43836f TT |
922 | struct str_list { |
923 | char **list; | |
924 | int num; | |
925 | int max; | |
926 | }; | |
927 | ||
928 | static errcode_t init_list(struct str_list *sl) | |
929 | { | |
930 | sl->num = 0; | |
931 | sl->max = 0; | |
932 | sl->list = malloc((sl->max+1) * sizeof(char *)); | |
933 | if (!sl->list) | |
934 | return ENOMEM; | |
935 | sl->list[0] = 0; | |
936 | return 0; | |
937 | } | |
938 | ||
939 | static errcode_t push_string(struct str_list *sl, const char *str) | |
940 | { | |
941 | char **new_list; | |
942 | ||
943 | if (sl->num >= sl->max) { | |
944 | sl->max += 2; | |
945 | new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); | |
946 | if (!new_list) | |
947 | return ENOMEM; | |
948 | sl->list = new_list; | |
949 | } | |
950 | sl->list[sl->num] = malloc(strlen(str)+1); | |
951 | if (sl->list[sl->num] == 0) | |
952 | return ENOMEM; | |
953 | strcpy(sl->list[sl->num], str); | |
954 | sl->num++; | |
955 | sl->list[sl->num] = 0; | |
956 | return 0; | |
957 | } | |
958 | ||
959 | static void print_str_list(char **list) | |
960 | { | |
961 | char **cpp; | |
962 | ||
963 | for (cpp = list; *cpp; cpp++) { | |
964 | printf("'%s'", *cpp); | |
965 | if (cpp[1]) | |
966 | fputs(", ", stdout); | |
967 | } | |
968 | fputc('\n', stdout); | |
969 | } | |
970 | ||
971 | static char **parse_fs_type(const char *fs_type, | |
972 | const char *usage_types, | |
973 | struct ext2_super_block *fs_param, | |
974 | char *progname) | |
975 | { | |
976 | const char *ext_type = 0; | |
977 | char *parse_str; | |
978 | char *profile_type = 0; | |
979 | char *cp, *t; | |
980 | const char *size_type; | |
981 | struct str_list list; | |
982 | int state = 0; | |
983 | unsigned long meg; | |
984 | ||
985 | if (init_list(&list)) | |
986 | return 0; | |
987 | ||
988 | if (fs_type) | |
989 | ext_type = fs_type; | |
990 | else if (progname) { | |
991 | ext_type = strrchr(progname, '/'); | |
992 | if (ext_type) | |
993 | ext_type++; | |
994 | else | |
995 | ext_type = progname; | |
996 | ||
997 | if (!strncmp(ext_type, "mkfs.", 5)) { | |
998 | ext_type += 5; | |
999 | if (ext_type[0] == 0) | |
1000 | ext_type = 0; | |
1001 | } else | |
1002 | ext_type = 0; | |
1003 | } | |
1004 | ||
1005 | if (!ext_type) { | |
1006 | profile_get_string(profile, "defaults", "fs_type", 0, | |
1007 | "ext2", &profile_type); | |
1008 | ext_type = profile_type; | |
1009 | if (!strcmp(ext_type, "ext2") && (journal_size != 0)) | |
1010 | ext_type = "ext3"; | |
1011 | } | |
1012 | ||
1013 | meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param); | |
1014 | if (fs_param->s_blocks_count < 3 * meg) | |
1015 | size_type = "floppy"; | |
1016 | else if (fs_param->s_blocks_count < 512 * meg) | |
1017 | size_type = "small"; | |
1018 | else | |
1019 | size_type = "default"; | |
1020 | ||
1021 | if (!usage_types) | |
1022 | usage_types = size_type; | |
1023 | ||
1024 | parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1); | |
1025 | if (!parse_str) { | |
1026 | free(list.list); | |
1027 | return 0; | |
1028 | } | |
1029 | if (usage_types) | |
1030 | strcpy(parse_str, usage_types); | |
1031 | else | |
1032 | *parse_str = '\0'; | |
1033 | ||
1034 | if (ext_type) | |
1035 | push_string(&list, ext_type); | |
1036 | cp = parse_str; | |
1037 | while (1) { | |
1038 | t = strchr(cp, ','); | |
1039 | if (t) | |
1040 | *t = '\0'; | |
1041 | ||
1042 | if (*cp) | |
1043 | push_string(&list, cp); | |
1044 | if (t) | |
1045 | cp = t+1; | |
1046 | else { | |
1047 | cp = ""; | |
1048 | break; | |
1049 | } | |
1050 | } | |
1051 | free(parse_str); | |
1052 | if (profile_type) | |
1053 | free(profile_type); | |
1054 | return (list.list); | |
1055 | } | |
1056 | ||
1057 | static char *get_string_from_profile(char **fs_types, const char *opt, | |
1058 | const char *def_val) | |
1059 | { | |
1060 | char *ret = 0; | |
1061 | char **cpp; | |
1062 | int i; | |
1063 | ||
1064 | for (i=0; fs_types[i]; i++); | |
1065 | for (i-=1; i >=0 ; i--) { | |
1066 | profile_get_string(profile, "fs_types", fs_types[i], | |
1067 | opt, 0, &ret); | |
1068 | if (ret) | |
1069 | return ret; | |
1070 | } | |
1071 | profile_get_string(profile, "defaults", opt, 0, def_val, &ret); | |
1072 | return (ret); | |
1073 | } | |
1074 | ||
1075 | static int get_int_from_profile(char **fs_types, const char *opt, int def_val) | |
1076 | { | |
1077 | int ret; | |
1078 | char **cpp; | |
1079 | ||
1080 | profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); | |
1081 | for (cpp = fs_types; *cpp; cpp++) | |
1082 | profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); | |
1083 | return ret; | |
1084 | } | |
1085 | ||
a4396e9d TT |
1086 | static int get_bool_from_profile(char **fs_types, const char *opt, int def_val) |
1087 | { | |
1088 | int ret; | |
1089 | char **cpp; | |
1090 | ||
1091 | profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); | |
1092 | for (cpp = fs_types; *cpp; cpp++) | |
1093 | profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); | |
1094 | return ret; | |
1095 | } | |
3d43836f | 1096 | |
d48bc604 TT |
1097 | extern const char *mke2fs_default_profile; |
1098 | static const char *default_files[] = { "<default>", 0 }; | |
1099 | ||
3839e657 TT |
1100 | static void PRS(int argc, char *argv[]) |
1101 | { | |
c5290fae | 1102 | int b, c; |
4a600566 | 1103 | int size; |
9dc6ad1e | 1104 | char *tmp, *tmp2; |
4a600566 TT |
1105 | int blocksize = 0; |
1106 | int inode_ratio = 0; | |
932a489c | 1107 | int inode_size = 0; |
ce911145 | 1108 | double reserved_ratio = 5.0; |
93d5c387 | 1109 | int sector_size = 0; |
1e6e4c5e | 1110 | int show_version_only = 0; |
de8f3a76 | 1111 | unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ |
a418d3ad | 1112 | errcode_t retval; |
4a600566 | 1113 | char * oldpath = getenv("PATH"); |
c6a44136 | 1114 | char * extended_opts = 0; |
4ea7bd04 | 1115 | const char * fs_type = 0; |
3d43836f TT |
1116 | const char * usage_types = 0; |
1117 | char **fs_types; | |
4a600566 | 1118 | blk_t dev_size; |
756df353 | 1119 | #ifdef __linux__ |
4a600566 | 1120 | struct utsname ut; |
2740156b | 1121 | #endif |
31e29a12 | 1122 | long sysval; |
9dc6ad1e TT |
1123 | int s_opt = -1, r_opt = -1; |
1124 | char *fs_features = 0; | |
1125 | int use_bsize; | |
642935c0 TT |
1126 | char *newpath; |
1127 | int pathlen = sizeof(PATH_SET) + 1; | |
1128 | ||
1129 | if (oldpath) | |
1130 | pathlen += strlen(oldpath); | |
1131 | newpath = malloc(pathlen); | |
1132 | strcpy(newpath, PATH_SET); | |
14bbcbc3 | 1133 | |
3839e657 | 1134 | /* Update our PATH to include /sbin */ |
a418d3ad | 1135 | if (oldpath) { |
a418d3ad TT |
1136 | strcat (newpath, ":"); |
1137 | strcat (newpath, oldpath); | |
642935c0 TT |
1138 | } |
1139 | putenv (newpath); | |
3839e657 | 1140 | |
16ed5b3a TT |
1141 | tmp = getenv("MKE2FS_SYNC"); |
1142 | if (tmp) | |
1143 | sync_kludge = atoi(tmp); | |
31e29a12 TT |
1144 | |
1145 | /* Determine the system page size if possible */ | |
1146 | #ifdef HAVE_SYSCONF | |
1147 | #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) | |
1148 | #define _SC_PAGESIZE _SC_PAGE_SIZE | |
1149 | #endif | |
1150 | #ifdef _SC_PAGESIZE | |
1151 | sysval = sysconf(_SC_PAGESIZE); | |
aab6fe73 | 1152 | if (sysval > 0) |
31e29a12 TT |
1153 | sys_page_size = sysval; |
1154 | #endif /* _SC_PAGESIZE */ | |
1155 | #endif /* HAVE_SYSCONF */ | |
9dc6ad1e TT |
1156 | |
1157 | if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) | |
1158 | config_fn[0] = tmp; | |
1159 | profile_set_syntax_err_cb(syntax_err_report); | |
d48bc604 TT |
1160 | retval = profile_init(config_fn, &profile); |
1161 | if (retval == ENOENT) { | |
1162 | profile_init(default_files, &profile); | |
1163 | profile_set_default(profile, mke2fs_default_profile); | |
1164 | } | |
16ed5b3a | 1165 | |
3839e657 TT |
1166 | setbuf(stdout, NULL); |
1167 | setbuf(stderr, NULL); | |
a6d8302b TT |
1168 | add_error_table(&et_ext2_error_table); |
1169 | add_error_table(&et_prof_error_table); | |
9b9a780f TT |
1170 | memset(&fs_param, 0, sizeof(struct ext2_super_block)); |
1171 | fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ | |
843049c4 | 1172 | |
756df353 | 1173 | #ifdef __linux__ |
14bbcbc3 TT |
1174 | if (uname(&ut)) { |
1175 | perror("uname"); | |
1176 | exit(1); | |
1177 | } | |
d99225ec | 1178 | linux_version_code = parse_version_number(ut.release); |
9dc6ad1e | 1179 | if (linux_version_code && linux_version_code < (2*65536 + 2*256)) |
9b9a780f | 1180 | fs_param.s_rev_level = 0; |
14bbcbc3 | 1181 | #endif |
0072f8de AD |
1182 | |
1183 | if (argc && *argv) { | |
1184 | program_name = get_progname(*argv); | |
1185 | ||
1186 | /* If called as mkfs.ext3, create a journal inode */ | |
1187 | if (!strcmp(program_name, "mkfs.ext3")) | |
1188 | journal_size = -1; | |
1189 | } | |
1190 | ||
1e3472c5 | 1191 | while ((c = getopt (argc, argv, |
3d43836f | 1192 | "b:cf:g:i:jl:m:no:qr:s:t:vE:FI:J:L:M:N:O:R:ST:V")) != EOF) { |
3839e657 TT |
1193 | switch (c) { |
1194 | case 'b': | |
c5290fae TT |
1195 | blocksize = strtol(optarg, &tmp, 0); |
1196 | b = (blocksize > 0) ? blocksize : -blocksize; | |
1197 | if (b < EXT2_MIN_BLOCK_SIZE || | |
1198 | b > EXT2_MAX_BLOCK_SIZE || *tmp) { | |
d9c56d3c | 1199 | com_err(program_name, 0, |
f37ab68a | 1200 | _("invalid block size - %s"), optarg); |
3839e657 TT |
1201 | exit(1); |
1202 | } | |
932a489c AD |
1203 | if (blocksize > 4096) |
1204 | fprintf(stderr, _("Warning: blocksize %d not " | |
1205 | "usable on most systems.\n"), | |
1206 | blocksize); | |
c5290fae | 1207 | if (blocksize > 0) |
9b9a780f | 1208 | fs_param.s_log_block_size = |
c5290fae TT |
1209 | int_log2(blocksize >> |
1210 | EXT2_MIN_BLOCK_LOG_SIZE); | |
3839e657 | 1211 | break; |
b10fd5e8 | 1212 | case 'c': /* Check for bad blocks */ |
3ed57c27 | 1213 | cflag++; |
3839e657 TT |
1214 | break; |
1215 | case 'f': | |
1216 | size = strtoul(optarg, &tmp, 0); | |
932a489c AD |
1217 | if (size < EXT2_MIN_BLOCK_SIZE || |
1218 | size > EXT2_MAX_BLOCK_SIZE || *tmp) { | |
d9c56d3c | 1219 | com_err(program_name, 0, |
bb145b01 | 1220 | _("invalid fragment size - %s"), |
3839e657 TT |
1221 | optarg); |
1222 | exit(1); | |
1223 | } | |
9b9a780f | 1224 | fs_param.s_log_frag_size = |
6733c2fd | 1225 | int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); |
6693837e | 1226 | fprintf(stderr, _("Warning: fragments not supported. " |
d9c56d3c | 1227 | "Ignoring -f option\n")); |
3839e657 TT |
1228 | break; |
1229 | case 'g': | |
9b9a780f | 1230 | fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); |
f3db3566 TT |
1231 | if (*tmp) { |
1232 | com_err(program_name, 0, | |
d9c56d3c | 1233 | _("Illegal number for blocks per group")); |
f3db3566 TT |
1234 | exit(1); |
1235 | } | |
9b9a780f | 1236 | if ((fs_param.s_blocks_per_group % 8) != 0) { |
f3db3566 | 1237 | com_err(program_name, 0, |
d9c56d3c | 1238 | _("blocks per group must be multiple of 8")); |
3839e657 TT |
1239 | exit(1); |
1240 | } | |
1241 | break; | |
1242 | case 'i': | |
1243 | inode_ratio = strtoul(optarg, &tmp, 0); | |
932a489c AD |
1244 | if (inode_ratio < EXT2_MIN_BLOCK_SIZE || |
1245 | inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || | |
3839e657 | 1246 | *tmp) { |
d9c56d3c | 1247 | com_err(program_name, 0, |
bb145b01 | 1248 | _("invalid inode ratio %s (min %d/max %d)"), |
932a489c AD |
1249 | optarg, EXT2_MIN_BLOCK_SIZE, |
1250 | EXT2_MAX_BLOCK_SIZE); | |
3839e657 TT |
1251 | exit(1); |
1252 | } | |
1253 | break; | |
dc2ec525 TT |
1254 | case 'J': |
1255 | parse_journal_opts(optarg); | |
1256 | break; | |
85ef4ae8 | 1257 | case 'j': |
dc2ec525 TT |
1258 | if (!journal_size) |
1259 | journal_size = -1; | |
8ddaa66b | 1260 | break; |
3839e657 | 1261 | case 'l': |
f3db3566 TT |
1262 | bad_blocks_filename = malloc(strlen(optarg)+1); |
1263 | if (!bad_blocks_filename) { | |
1264 | com_err(program_name, ENOMEM, | |
d9c56d3c | 1265 | _("in malloc for bad_blocks_filename")); |
f3db3566 TT |
1266 | exit(1); |
1267 | } | |
1268 | strcpy(bad_blocks_filename, optarg); | |
3839e657 TT |
1269 | break; |
1270 | case 'm': | |
ce911145 | 1271 | reserved_ratio = strtod(optarg, &tmp); |
3839e657 TT |
1272 | if (reserved_ratio > 50 || *tmp) { |
1273 | com_err(program_name, 0, | |
bb145b01 | 1274 | _("invalid reserved blocks percent - %s"), |
3839e657 TT |
1275 | optarg); |
1276 | exit(1); | |
1277 | } | |
1278 | break; | |
50787ea2 TT |
1279 | case 'n': |
1280 | noaction++; | |
1281 | break; | |
1e3472c5 TT |
1282 | case 'o': |
1283 | creator_os = optarg; | |
1284 | break; | |
2524785d AD |
1285 | case 'q': |
1286 | quiet = 1; | |
1287 | break; | |
7f88b043 | 1288 | case 'r': |
9dc6ad1e | 1289 | r_opt = strtoul(optarg, &tmp, 0); |
2524785d AD |
1290 | if (*tmp) { |
1291 | com_err(program_name, 0, | |
1292 | _("bad revision level - %s"), optarg); | |
1293 | exit(1); | |
1294 | } | |
9dc6ad1e | 1295 | fs_param.s_rev_level = r_opt; |
7f88b043 | 1296 | break; |
b10fd5e8 | 1297 | case 's': /* deprecated */ |
9dc6ad1e | 1298 | s_opt = atoi(optarg); |
521e3685 | 1299 | break; |
7f88b043 | 1300 | case 'I': |
932a489c AD |
1301 | inode_size = strtoul(optarg, &tmp, 0); |
1302 | if (*tmp) { | |
1303 | com_err(program_name, 0, | |
bb145b01 | 1304 | _("invalid inode size - %s"), optarg); |
932a489c AD |
1305 | exit(1); |
1306 | } | |
7f88b043 | 1307 | break; |
3839e657 TT |
1308 | case 'v': |
1309 | verbose = 1; | |
1310 | break; | |
74becf3c | 1311 | case 'F': |
c16e610c | 1312 | force++; |
74becf3c | 1313 | break; |
1e3472c5 TT |
1314 | case 'L': |
1315 | volume_label = optarg; | |
1316 | break; | |
1317 | case 'M': | |
1318 | mount_dir = optarg; | |
1319 | break; | |
2524785d AD |
1320 | case 'N': |
1321 | num_inodes = strtoul(optarg, &tmp, 0); | |
1322 | if (*tmp) { | |
1323 | com_err(program_name, 0, | |
1324 | _("bad num inodes - %s"), optarg); | |
1325 | exit(1); | |
1326 | } | |
1327 | break; | |
896938d5 | 1328 | case 'O': |
9dc6ad1e | 1329 | fs_features = optarg; |
896938d5 | 1330 | break; |
c6a44136 | 1331 | case 'E': |
a29f4d30 | 1332 | case 'R': |
c6a44136 | 1333 | extended_opts = optarg; |
a29f4d30 | 1334 | break; |
f3db3566 TT |
1335 | case 'S': |
1336 | super_only = 1; | |
1337 | break; | |
3d43836f | 1338 | case 't': |
50787ea2 TT |
1339 | fs_type = optarg; |
1340 | break; | |
3d43836f TT |
1341 | case 'T': |
1342 | usage_types = optarg; | |
1343 | break; | |
818180cd TT |
1344 | case 'V': |
1345 | /* Print version number and exit */ | |
1e6e4c5e TT |
1346 | show_version_only++; |
1347 | break; | |
3839e657 TT |
1348 | default: |
1349 | usage(); | |
1350 | } | |
3839e657 | 1351 | } |
55f4cbd9 | 1352 | if ((optind == argc) && !show_version_only) |
3839e657 | 1353 | usage(); |
55f4cbd9 | 1354 | device_name = argv[optind++]; |
a418d3ad | 1355 | |
1e6e4c5e | 1356 | if (!quiet || show_version_only) |
3879857e TT |
1357 | fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, |
1358 | E2FSPROGS_DATE); | |
1359 | ||
1e6e4c5e TT |
1360 | if (show_version_only) { |
1361 | fprintf(stderr, _("\tUsing %s\n"), | |
1362 | error_message(EXT2_ET_BASE)); | |
1363 | exit(0); | |
1364 | } | |
1365 | ||
77dc4eb0 TT |
1366 | /* |
1367 | * If there's no blocksize specified and there is a journal | |
1368 | * device, use it to figure out the blocksize | |
1369 | */ | |
c5290fae | 1370 | if (blocksize <= 0 && journal_device) { |
77dc4eb0 | 1371 | ext2_filsys jfs; |
a7ccdff8 | 1372 | io_manager io_ptr; |
77dc4eb0 | 1373 | |
a7ccdff8 TT |
1374 | #ifdef CONFIG_TESTIO_DEBUG |
1375 | io_ptr = test_io_manager; | |
1376 | test_io_backing_manager = unix_io_manager; | |
1377 | #else | |
1378 | io_ptr = unix_io_manager; | |
1379 | #endif | |
77dc4eb0 TT |
1380 | retval = ext2fs_open(journal_device, |
1381 | EXT2_FLAG_JOURNAL_DEV_OK, 0, | |
a7ccdff8 | 1382 | 0, io_ptr, &jfs); |
77dc4eb0 TT |
1383 | if (retval) { |
1384 | com_err(program_name, retval, | |
1385 | _("while trying to open journal device %s\n"), | |
1386 | journal_device); | |
1387 | exit(1); | |
1388 | } | |
54434927 | 1389 | if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { |
c5290fae | 1390 | com_err(program_name, 0, |
ddc32a04 | 1391 | _("Journal dev blocksize (%d) smaller than " |
c5290fae TT |
1392 | "minimum blocksize %d\n"), jfs->blocksize, |
1393 | -blocksize); | |
1394 | exit(1); | |
1395 | } | |
77dc4eb0 | 1396 | blocksize = jfs->blocksize; |
9b9a780f | 1397 | fs_param.s_log_block_size = |
77dc4eb0 TT |
1398 | int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); |
1399 | ext2fs_close(jfs); | |
1400 | } | |
dc2ec525 | 1401 | |
31e29a12 | 1402 | if (blocksize > sys_page_size) { |
932a489c AD |
1403 | if (!force) { |
1404 | com_err(program_name, 0, | |
1405 | _("%d-byte blocks too big for system (max %d)"), | |
31e29a12 | 1406 | blocksize, sys_page_size); |
932a489c AD |
1407 | proceed_question(); |
1408 | } | |
1409 | fprintf(stderr, _("Warning: %d-byte blocks too big for system " | |
1410 | "(max %d), forced to continue\n"), | |
31e29a12 | 1411 | blocksize, sys_page_size); |
932a489c | 1412 | } |
55f4cbd9 | 1413 | if (optind < argc) { |
9b9a780f TT |
1414 | fs_param.s_blocks_count = parse_num_blocks(argv[optind++], |
1415 | fs_param.s_log_block_size); | |
1416 | if (!fs_param.s_blocks_count) { | |
f37ab68a | 1417 | com_err(program_name, 0, _("invalid blocks count - %s"), |
55f4cbd9 TT |
1418 | argv[optind - 1]); |
1419 | exit(1); | |
1420 | } | |
1421 | } | |
1422 | if (optind < argc) | |
1423 | usage(); | |
1424 | ||
74becf3c | 1425 | if (!force) |
8ddaa66b | 1426 | check_plausibility(device_name); |
63985320 | 1427 | check_mount(device_name, force, _("filesystem")); |
a418d3ad | 1428 | |
9b9a780f | 1429 | fs_param.s_log_frag_size = fs_param.s_log_block_size; |
3839e657 | 1430 | |
9b9a780f TT |
1431 | if (noaction && fs_param.s_blocks_count) { |
1432 | dev_size = fs_param.s_blocks_count; | |
50787ea2 | 1433 | retval = 0; |
20953129 TT |
1434 | } else { |
1435 | retry: | |
50787ea2 | 1436 | retval = ext2fs_get_device_size(device_name, |
9b9a780f | 1437 | EXT2_BLOCK_SIZE(&fs_param), |
50787ea2 | 1438 | &dev_size); |
20953129 TT |
1439 | if ((retval == EFBIG) && |
1440 | (blocksize == 0) && | |
9b9a780f TT |
1441 | (fs_param.s_log_block_size == 0)) { |
1442 | fs_param.s_log_block_size = 2; | |
20953129 TT |
1443 | blocksize = 4096; |
1444 | goto retry; | |
1445 | } | |
1446 | } | |
1447 | ||
a789d840 TT |
1448 | if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { |
1449 | com_err(program_name, retval, | |
d9c56d3c | 1450 | _("while trying to determine filesystem size")); |
a789d840 TT |
1451 | exit(1); |
1452 | } | |
9b9a780f | 1453 | if (!fs_param.s_blocks_count) { |
a789d840 TT |
1454 | if (retval == EXT2_ET_UNIMPLEMENTED) { |
1455 | com_err(program_name, 0, | |
d9c56d3c | 1456 | _("Couldn't determine device size; you " |
a789d840 | 1457 | "must specify\nthe size of the " |
d9c56d3c | 1458 | "filesystem\n")); |
a418d3ad | 1459 | exit(1); |
26ab5315 TT |
1460 | } else { |
1461 | if (dev_size == 0) { | |
1462 | com_err(program_name, 0, | |
1463 | _("Device size reported to be zero. " | |
1464 | "Invalid partition specified, or\n\t" | |
1465 | "partition table wasn't reread " | |
1466 | "after running fdisk, due to\n\t" | |
1467 | "a modified partition being busy " | |
1468 | "and in use. You may need to reboot\n\t" | |
1469 | "to re-read your partition table.\n" | |
1470 | )); | |
1471 | exit(1); | |
1472 | } | |
9b9a780f TT |
1473 | fs_param.s_blocks_count = dev_size; |
1474 | if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) | |
1475 | fs_param.s_blocks_count &= ~((sys_page_size / | |
1476 | EXT2_BLOCK_SIZE(&fs_param))-1); | |
26ab5315 TT |
1477 | } |
1478 | ||
9b9a780f | 1479 | } else if (!force && (fs_param.s_blocks_count > dev_size)) { |
a789d840 | 1480 | com_err(program_name, 0, |
c5290fae | 1481 | _("Filesystem larger than apparent device size.")); |
a789d840 | 1482 | proceed_question(); |
a418d3ad | 1483 | } |
3839e657 | 1484 | |
3d43836f TT |
1485 | fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]); |
1486 | if (!fs_types) { | |
1487 | fprintf(stderr, _("Failed to parse fs types list\n")); | |
1488 | exit(1); | |
1489 | } | |
1490 | if (verbose) { | |
1491 | fputs("Fs_types for mke2fs.conf resolution: ", stdout); | |
1492 | print_str_list(fs_types); | |
1493 | } | |
1494 | ||
9dc6ad1e | 1495 | if (!fs_type) { |
d1b4b85c | 1496 | int megs = (__u64)fs_param.s_blocks_count * |
9dc6ad1e TT |
1497 | (EXT2_BLOCK_SIZE(&fs_param) / 1024) / 1024; |
1498 | ||
e066150a BB |
1499 | if (fs_param.s_feature_incompat & |
1500 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) | |
1501 | fs_type = "journal"; | |
1502 | else if (megs <= 3) | |
9dc6ad1e TT |
1503 | fs_type = "floppy"; |
1504 | else if (megs <= 512) | |
1505 | fs_type = "small"; | |
1506 | else | |
1507 | fs_type = "default"; | |
1508 | } | |
1509 | ||
1510 | /* Figure out what features should be enabled */ | |
1511 | ||
3d43836f | 1512 | tmp = NULL; |
b290d2dc | 1513 | if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { |
3d43836f TT |
1514 | char **cpp; |
1515 | ||
1516 | tmp = get_string_from_profile(fs_types, "base_features", | |
1517 | "sparse_super,filetype,resize_inode,dir_index"); | |
1518 | edit_feature(tmp, &fs_param.s_feature_compat); | |
b290d2dc | 1519 | free(tmp); |
b290d2dc | 1520 | |
3d43836f TT |
1521 | for (cpp = fs_types; *cpp; cpp++) { |
1522 | tmp = NULL; | |
1523 | profile_get_string(profile, "fs_types", *cpp, | |
1524 | "features", "", &tmp); | |
1525 | if (tmp && *tmp) | |
1526 | edit_feature(tmp, &fs_param.s_feature_compat); | |
1527 | if (tmp) | |
1528 | free(tmp); | |
1529 | } | |
1530 | tmp = get_string_from_profile(fs_types, "default_features", | |
1531 | ""); | |
b290d2dc | 1532 | } |
3d43836f | 1533 | edit_feature(fs_features ? fs_features : tmp, |
b290d2dc TT |
1534 | &fs_param.s_feature_compat); |
1535 | if (tmp) | |
1536 | free(tmp); | |
b290d2dc TT |
1537 | |
1538 | if (r_opt == EXT2_GOOD_OLD_REV && | |
1539 | (fs_param.s_feature_compat || fs_param.s_feature_incompat || | |
1540 | fs_param.s_feature_incompat)) { | |
9dc6ad1e TT |
1541 | fprintf(stderr, _("Filesystem features not supported " |
1542 | "with revision 0 filesystems\n")); | |
1543 | exit(1); | |
1544 | } | |
1545 | ||
b290d2dc TT |
1546 | if (s_opt > 0) { |
1547 | if (r_opt == EXT2_GOOD_OLD_REV) { | |
1548 | fprintf(stderr, _("Sparse superblocks not supported " | |
1549 | "with revision 0 filesystems\n")); | |
1550 | exit(1); | |
1551 | } | |
9dc6ad1e TT |
1552 | fs_param.s_feature_ro_compat |= |
1553 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; | |
b290d2dc | 1554 | } else if (s_opt == 0) |
9dc6ad1e TT |
1555 | fs_param.s_feature_ro_compat &= |
1556 | ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; | |
1557 | ||
b290d2dc TT |
1558 | if (journal_size != 0) { |
1559 | if (r_opt == EXT2_GOOD_OLD_REV) { | |
1560 | fprintf(stderr, _("Journals not supported " | |
1561 | "with revision 0 filesystems\n")); | |
1562 | exit(1); | |
1563 | } | |
9dc6ad1e TT |
1564 | fs_param.s_feature_compat |= |
1565 | EXT3_FEATURE_COMPAT_HAS_JOURNAL; | |
b290d2dc | 1566 | } |
9dc6ad1e TT |
1567 | |
1568 | if (fs_param.s_feature_incompat & | |
1569 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { | |
9dc6ad1e TT |
1570 | reserved_ratio = 0; |
1571 | fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; | |
1572 | fs_param.s_feature_compat = 0; | |
1573 | fs_param.s_feature_ro_compat = 0; | |
1574 | } | |
1575 | ||
c046ac7f TT |
1576 | /* Set first meta blockgroup via an environment variable */ |
1577 | /* (this is mostly for debugging purposes) */ | |
9b9a780f | 1578 | if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && |
c046ac7f | 1579 | ((tmp = getenv("MKE2FS_FIRST_META_BG")))) |
9b9a780f | 1580 | fs_param.s_first_meta_bg = atoi(tmp); |
c046ac7f | 1581 | |
93d5c387 TT |
1582 | /* Get the hardware sector size, if available */ |
1583 | retval = ext2fs_get_device_sectsize(device_name, §or_size); | |
1584 | if (retval) { | |
1585 | com_err(program_name, retval, | |
1586 | _("while trying to determine hardware sector size")); | |
1587 | exit(1); | |
1588 | } | |
1cca86f5 | 1589 | |
54434927 | 1590 | if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL) |
1cca86f5 | 1591 | sector_size = atoi(tmp); |
93d5c387 | 1592 | |
9dc6ad1e | 1593 | if (blocksize <= 0) { |
3d43836f | 1594 | use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); |
9dc6ad1e TT |
1595 | |
1596 | if (use_bsize == -1) { | |
1597 | use_bsize = sys_page_size; | |
1598 | if ((linux_version_code < (2*65536 + 6*256)) && | |
1599 | (use_bsize > 4096)) | |
1600 | use_bsize = 4096; | |
1601 | } | |
1602 | if (sector_size && use_bsize < sector_size) | |
1603 | use_bsize = sector_size; | |
1604 | if ((blocksize < 0) && (use_bsize < (-blocksize))) | |
1605 | use_bsize = -blocksize; | |
1606 | blocksize = use_bsize; | |
1607 | fs_param.s_blocks_count /= blocksize / 1024; | |
1608 | } | |
1609 | ||
1610 | if (inode_ratio == 0) { | |
3d43836f TT |
1611 | inode_ratio = get_int_from_profile(fs_types, "inode_ratio", |
1612 | 8192); | |
9dc6ad1e TT |
1613 | if (inode_ratio < blocksize) |
1614 | inode_ratio = blocksize; | |
1615 | } | |
1616 | ||
1617 | fs_param.s_log_frag_size = fs_param.s_log_block_size = | |
1618 | int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); | |
1619 | ||
9b9a780f | 1620 | blocksize = EXT2_BLOCK_SIZE(&fs_param); |
a4396e9d TT |
1621 | |
1622 | lazy_itable_init = get_bool_from_profile(fs_types, | |
1623 | "lazy_itable_init", 0); | |
c5290fae | 1624 | |
c6a44136 | 1625 | if (extended_opts) |
9b9a780f | 1626 | parse_extended_opts(&fs_param, extended_opts); |
d323f8fb TT |
1627 | |
1628 | /* Since sparse_super is the default, we would only have a problem | |
1629 | * here if it was explicitly disabled. | |
1630 | */ | |
9b9a780f TT |
1631 | if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && |
1632 | !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { | |
d323f8fb TT |
1633 | com_err(program_name, 0, |
1634 | _("reserved online resize blocks not supported " | |
1635 | "on non-sparse filesystem")); | |
1636 | exit(1); | |
1637 | } | |
1638 | ||
9b9a780f TT |
1639 | if (fs_param.s_blocks_per_group) { |
1640 | if (fs_param.s_blocks_per_group < 256 || | |
1641 | fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { | |
521e3685 | 1642 | com_err(program_name, 0, |
d9c56d3c | 1643 | _("blocks per group count out of range")); |
521e3685 TT |
1644 | exit(1); |
1645 | } | |
1646 | } | |
1647 | ||
3d43836f TT |
1648 | if (inode_size == 0) |
1649 | inode_size = get_int_from_profile(fs_types, "inode_size", 0); | |
067911ae AD |
1650 | |
1651 | if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { | |
932a489c | 1652 | if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || |
9b9a780f | 1653 | inode_size > EXT2_BLOCK_SIZE(&fs_param) || |
932a489c AD |
1654 | inode_size & (inode_size - 1)) { |
1655 | com_err(program_name, 0, | |
bb145b01 | 1656 | _("invalid inode size %d (min %d/max %d)"), |
932a489c | 1657 | inode_size, EXT2_GOOD_OLD_INODE_SIZE, |
c5290fae | 1658 | blocksize); |
932a489c AD |
1659 | exit(1); |
1660 | } | |
9b9a780f | 1661 | fs_param.s_inode_size = inode_size; |
932a489c AD |
1662 | } |
1663 | ||
f3358643 ES |
1664 | /* Make sure number of inodes specified will fit in 32 bits */ |
1665 | if (num_inodes == 0) { | |
de8f3a76 AD |
1666 | unsigned long long n; |
1667 | n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio; | |
f3358643 ES |
1668 | if (n > ~0U) { |
1669 | com_err(program_name, 0, | |
1670 | _("too many inodes (%llu), raise inode ratio?"), n); | |
1671 | exit(1); | |
1672 | } | |
1673 | } else if (num_inodes > ~0U) { | |
1674 | com_err(program_name, 0, | |
1675 | _("too many inodes (%llu), specify < 2^32 inodes"), | |
de8f3a76 | 1676 | num_inodes); |
f3358643 ES |
1677 | exit(1); |
1678 | } | |
3839e657 TT |
1679 | /* |
1680 | * Calculate number of inodes based on the inode ratio | |
1681 | */ | |
9b9a780f TT |
1682 | fs_param.s_inodes_count = num_inodes ? num_inodes : |
1683 | ((__u64) fs_param.s_blocks_count * blocksize) | |
f3db3566 | 1684 | / inode_ratio; |
3839e657 | 1685 | |
dcf7b091 AD |
1686 | if ((((long long)fs_param.s_inodes_count) * |
1687 | (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= | |
1688 | (((long long)fs_param.s_blocks_count) * | |
1689 | EXT2_BLOCK_SIZE(&fs_param))) { | |
1690 | com_err(program_name, 0, _("inode_size (%u) * inodes_count " | |
1691 | "(%u) too big for a\n\t" | |
1692 | "filesystem with %lu blocks, " | |
1693 | "specify higher inode_ratio (-i)\n\t" | |
1694 | "or lower inode count (-N).\n"), | |
1695 | inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, | |
de8f3a76 AD |
1696 | fs_param.s_inodes_count, |
1697 | (unsigned long) fs_param.s_blocks_count); | |
dcf7b091 AD |
1698 | exit(1); |
1699 | } | |
1700 | ||
3839e657 TT |
1701 | /* |
1702 | * Calculate number of blocks to reserve | |
1703 | */ | |
a8862d9e TT |
1704 | fs_param.s_r_blocks_count = e2p_percent(reserved_ratio, |
1705 | fs_param.s_blocks_count); | |
3839e657 | 1706 | } |
d323f8fb | 1707 | |
3839e657 TT |
1708 | int main (int argc, char *argv[]) |
1709 | { | |
1710 | errcode_t retval = 0; | |
1711 | ext2_filsys fs; | |
1712 | badblocks_list bb_list = 0; | |
d4e0b1c6 | 1713 | unsigned int journal_blocks; |
54434927 TT |
1714 | unsigned int i; |
1715 | int val; | |
a7ccdff8 | 1716 | io_manager io_ptr; |
d9c56d3c TT |
1717 | |
1718 | #ifdef ENABLE_NLS | |
1719 | setlocale(LC_MESSAGES, ""); | |
14308a53 | 1720 | setlocale(LC_CTYPE, ""); |
d9c56d3c TT |
1721 | bindtextdomain(NLS_CAT_NAME, LOCALEDIR); |
1722 | textdomain(NLS_CAT_NAME); | |
1723 | #endif | |
3839e657 TT |
1724 | PRS(argc, argv); |
1725 | ||
a7ccdff8 TT |
1726 | #ifdef CONFIG_TESTIO_DEBUG |
1727 | io_ptr = test_io_manager; | |
1728 | test_io_backing_manager = unix_io_manager; | |
1729 | #else | |
1730 | io_ptr = unix_io_manager; | |
1731 | #endif | |
1732 | ||
3839e657 TT |
1733 | /* |
1734 | * Initialize the superblock.... | |
1735 | */ | |
616059bf | 1736 | retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param, |
a7ccdff8 | 1737 | io_ptr, &fs); |
3839e657 | 1738 | if (retval) { |
d9c56d3c | 1739 | com_err(device_name, retval, _("while setting up superblock")); |
3839e657 TT |
1740 | exit(1); |
1741 | } | |
1742 | ||
6cb27404 TT |
1743 | if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) |
1744 | fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; | |
1745 | ||
e41784eb TT |
1746 | /* |
1747 | * Wipe out the old on-disk superblock | |
1748 | */ | |
04a96857 TT |
1749 | if (!noaction) |
1750 | zap_sector(fs, 2, 6); | |
e41784eb | 1751 | |
1e3472c5 TT |
1752 | /* |
1753 | * Generate a UUID for it... | |
1754 | */ | |
ef9abe5f | 1755 | uuid_generate(fs->super->s_uuid); |
1e3472c5 | 1756 | |
843049c4 TT |
1757 | /* |
1758 | * Initialize the directory index variables | |
1759 | */ | |
1760 | fs->super->s_def_hash_version = EXT2_HASH_TEA; | |
1761 | uuid_generate((unsigned char *) fs->super->s_hash_seed); | |
1762 | ||
44c09c04 TT |
1763 | /* |
1764 | * Add "jitter" to the superblock's check interval so that we | |
1765 | * don't check all the filesystems at the same time. We use a | |
1766 | * kludgy hack of using the UUID to derive a random jitter value. | |
1767 | */ | |
1768 | for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) | |
1769 | val += fs->super->s_uuid[i]; | |
1770 | fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; | |
1771 | ||
1e3472c5 TT |
1772 | /* |
1773 | * Override the creator OS, if applicable | |
1774 | */ | |
1775 | if (creator_os && !set_os(fs->super, creator_os)) { | |
d9c56d3c | 1776 | com_err (program_name, 0, _("unknown os - %s"), creator_os); |
1e3472c5 TT |
1777 | exit(1); |
1778 | } | |
1779 | ||
4ea0a110 TT |
1780 | /* |
1781 | * For the Hurd, we will turn off filetype since it doesn't | |
1782 | * support it. | |
1783 | */ | |
1784 | if (fs->super->s_creator_os == EXT2_OS_HURD) | |
1785 | fs->super->s_feature_incompat &= | |
1786 | ~EXT2_FEATURE_INCOMPAT_FILETYPE; | |
1787 | ||
1e3472c5 TT |
1788 | /* |
1789 | * Set the volume label... | |
1790 | */ | |
1791 | if (volume_label) { | |
ef9abe5f TT |
1792 | memset(fs->super->s_volume_name, 0, |
1793 | sizeof(fs->super->s_volume_name)); | |
1794 | strncpy(fs->super->s_volume_name, volume_label, | |
1795 | sizeof(fs->super->s_volume_name)); | |
1e3472c5 TT |
1796 | } |
1797 | ||
1798 | /* | |
1799 | * Set the last mount directory | |
1800 | */ | |
1801 | if (mount_dir) { | |
ef9abe5f TT |
1802 | memset(fs->super->s_last_mounted, 0, |
1803 | sizeof(fs->super->s_last_mounted)); | |
1804 | strncpy(fs->super->s_last_mounted, mount_dir, | |
1805 | sizeof(fs->super->s_last_mounted)); | |
1e3472c5 TT |
1806 | } |
1807 | ||
50787ea2 | 1808 | if (!quiet || noaction) |
3839e657 TT |
1809 | show_stats(fs); |
1810 | ||
50787ea2 TT |
1811 | if (noaction) |
1812 | exit(0); | |
1813 | ||
16ed5b3a TT |
1814 | if (fs->super->s_feature_incompat & |
1815 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { | |
1816 | create_journal_dev(fs); | |
568101f7 | 1817 | exit(ext2fs_close(fs) ? 1 : 0); |
16ed5b3a TT |
1818 | } |
1819 | ||
3839e657 TT |
1820 | if (bad_blocks_filename) |
1821 | read_bb_file(fs, &bb_list, bad_blocks_filename); | |
1822 | if (cflag) | |
1823 | test_disk(fs, &bb_list); | |
1824 | ||
1825 | handle_bad_blocks(fs, bb_list); | |
0c17cb25 | 1826 | fs->stride = fs_stride = fs->super->s_raid_stride; |
19c78dc0 TT |
1827 | retval = ext2fs_allocate_tables(fs); |
1828 | if (retval) { | |
1829 | com_err(program_name, retval, | |
d9c56d3c | 1830 | _("while trying to allocate filesystem tables")); |
19c78dc0 TT |
1831 | exit(1); |
1832 | } | |
f3db3566 TT |
1833 | if (super_only) { |
1834 | fs->super->s_state |= EXT2_ERROR_FS; | |
1835 | fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); | |
1836 | } else { | |
59f27247 | 1837 | /* rsv must be a power of two (64kB is MD RAID sb alignment) */ |
54434927 | 1838 | unsigned int rsv = 65536 / fs->blocksize; |
1400bbb6 | 1839 | unsigned long blocks = fs->super->s_blocks_count; |
59f27247 | 1840 | unsigned long start; |
1400bbb6 TT |
1841 | blk_t ret_blk; |
1842 | ||
1843 | #ifdef ZAP_BOOTBLOCK | |
04a96857 | 1844 | zap_sector(fs, 0, 2); |
1400bbb6 | 1845 | #endif |
59f27247 | 1846 | |
1400bbb6 TT |
1847 | /* |
1848 | * Wipe out any old MD RAID (or other) metadata at the end | |
1849 | * of the device. This will also verify that the device is | |
59f27247 | 1850 | * as large as we think. Be careful with very small devices. |
1400bbb6 | 1851 | */ |
59f27247 AD |
1852 | start = (blocks & ~(rsv - 1)); |
1853 | if (start > rsv) | |
1854 | start -= rsv; | |
1855 | if (start > 0) | |
1856 | retval = zero_blocks(fs, start, blocks - start, | |
1857 | NULL, &ret_blk, NULL); | |
1858 | ||
1400bbb6 TT |
1859 | if (retval) { |
1860 | com_err(program_name, retval, | |
f044b4d8 | 1861 | _("while zeroing block %u at end of filesystem"), |
1400bbb6 | 1862 | ret_blk); |
1400bbb6 | 1863 | } |
a4396e9d | 1864 | write_inode_tables(fs, lazy_itable_init); |
f3db3566 TT |
1865 | create_root_dir(fs); |
1866 | create_lost_and_found(fs); | |
1867 | reserve_inodes(fs); | |
1868 | create_bad_block_inode(fs, bb_list); | |
ea774315 TT |
1869 | if (fs->super->s_feature_compat & |
1870 | EXT2_FEATURE_COMPAT_RESIZE_INODE) { | |
1871 | retval = ext2fs_create_resize_inode(fs); | |
1872 | if (retval) { | |
1873 | com_err("ext2fs_create_resize_inode", retval, | |
d323f8fb | 1874 | _("while reserving blocks for online resize")); |
ea774315 TT |
1875 | exit(1); |
1876 | } | |
d323f8fb | 1877 | } |
f3db3566 | 1878 | } |
8ddaa66b | 1879 | |
16ed5b3a TT |
1880 | if (journal_device) { |
1881 | ext2_filsys jfs; | |
1882 | ||
8ddaa66b TT |
1883 | if (!force) |
1884 | check_plausibility(journal_device); | |
63985320 | 1885 | check_mount(journal_device, force, _("journal")); |
8ddaa66b | 1886 | |
16ed5b3a TT |
1887 | retval = ext2fs_open(journal_device, EXT2_FLAG_RW| |
1888 | EXT2_FLAG_JOURNAL_DEV_OK, 0, | |
1889 | fs->blocksize, unix_io_manager, &jfs); | |
1890 | if (retval) { | |
1891 | com_err(program_name, retval, | |
1892 | _("while trying to open journal device %s\n"), | |
1893 | journal_device); | |
1894 | exit(1); | |
1895 | } | |
93345d15 | 1896 | if (!quiet) { |
77dc4eb0 | 1897 | printf(_("Adding journal to device %s: "), |
8ddaa66b | 1898 | journal_device); |
93345d15 TT |
1899 | fflush(stdout); |
1900 | } | |
16ed5b3a TT |
1901 | retval = ext2fs_add_journal_device(fs, jfs); |
1902 | if(retval) { | |
8ddaa66b | 1903 | com_err (program_name, retval, |
1d08d9bf | 1904 | _("\n\twhile trying to add journal to device %s"), |
8ddaa66b TT |
1905 | journal_device); |
1906 | exit(1); | |
1907 | } | |
1908 | if (!quiet) | |
1909 | printf(_("done\n")); | |
16ed5b3a | 1910 | ext2fs_close(jfs); |
2d15576d | 1911 | free(journal_device); |
9dc6ad1e TT |
1912 | } else if ((journal_size) || |
1913 | (fs_param.s_feature_compat & | |
1914 | EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { | |
2537b6d0 | 1915 | journal_blocks = figure_journal_size(journal_size, fs); |
93345d15 TT |
1916 | |
1917 | if (!journal_blocks) { | |
1918 | fs->super->s_feature_compat &= | |
1919 | ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; | |
1920 | goto no_journal; | |
1921 | } | |
1922 | if (!quiet) { | |
d4e0b1c6 | 1923 | printf(_("Creating journal (%u blocks): "), |
16ad3334 | 1924 | journal_blocks); |
93345d15 TT |
1925 | fflush(stdout); |
1926 | } | |
63985320 TT |
1927 | retval = ext2fs_add_journal_inode(fs, journal_blocks, |
1928 | journal_flags); | |
85ef4ae8 TT |
1929 | if (retval) { |
1930 | com_err (program_name, retval, | |
1d08d9bf | 1931 | _("\n\twhile trying to create journal")); |
85ef4ae8 TT |
1932 | exit(1); |
1933 | } | |
1934 | if (!quiet) | |
1935 | printf(_("done\n")); | |
1936 | } | |
93345d15 TT |
1937 | no_journal: |
1938 | ||
3839e657 | 1939 | if (!quiet) |
d9c56d3c TT |
1940 | printf(_("Writing superblocks and " |
1941 | "filesystem accounting information: ")); | |
5d45d803 TT |
1942 | retval = ext2fs_flush(fs); |
1943 | if (retval) { | |
6693837e TT |
1944 | fprintf(stderr, |
1945 | _("\nWarning, had trouble writing out superblocks.")); | |
5d45d803 | 1946 | } |
93345d15 | 1947 | if (!quiet) { |
2537b6d0 | 1948 | printf(_("done\n\n")); |
1cca86f5 TT |
1949 | if (!getenv("MKE2FS_SKIP_CHECK_MSG")) |
1950 | print_check_message(fs); | |
93345d15 | 1951 | } |
568101f7 | 1952 | val = ext2fs_close(fs); |
a6d8302b TT |
1953 | remove_error_table(&et_ext2_error_table); |
1954 | remove_error_table(&et_prof_error_table); | |
3d43836f | 1955 | profile_release(profile); |
568101f7 | 1956 | return (retval || val) ? 1 : 0; |
3839e657 | 1957 | } |