1 /*
2 * mke2fs.c - Make a ext2fs filesystem.
3 *
4 * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
5 * 2003, 2004, 2005 by Theodore Ts'o.
6 *
7 * %Begin-Header%
8 * This file may be redistributed under the terms of the GNU Public
9 * License.
10 * %End-Header%
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
19 #define _XOPEN_SOURCE 600
20
21 #include "config.h"
22 #include <stdio.h>
23 #include <string.h>
24 #include <strings.h>
25 #include <ctype.h>
26 #include <time.h>
27 #ifdef __linux__
28 #include <sys/utsname.h>
29 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
30 #endif
31 #ifdef HAVE_GETOPT_H
32 #include <getopt.h>
33 #else
34 extern char *optarg;
35 extern int optind;
36 #endif
37 #ifdef HAVE_UNISTD_H
38 #include <unistd.h>
39 #endif
40 #ifdef HAVE_STDLIB_H
41 #include <stdlib.h>
42 #endif
43 #ifdef HAVE_ERRNO_H
44 #include <errno.h>
45 #endif
46 #ifdef HAVE_SYS_IOCTL_H
47 #include <sys/ioctl.h>
48 #endif
49 #include <libgen.h>
50 #include <limits.h>
51 #include <blkid/blkid.h>
52
53 #include "ext2fs/ext2_fs.h"
54 #include "ext2fs/ext2fsP.h"
55 #include "uuid/uuid.h"
56 #include "util.h"
57 #include "support/nls-enable.h"
58 #include "support/plausible.h"
59 #include "support/profile.h"
60 #include "support/prof_err.h"
61 #include "../version.h"
62 #include "support/quotaio.h"
63 #include "mke2fs.h"
64 #include "create_inode.h"
65
66 #define STRIDE_LENGTH 8
67
68 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
69
70 #ifndef __sparc__
71 #define ZAP_BOOTBLOCK
72 #endif
73
74 #define DISCARD_STEP_MB (2048)
75
76 extern int isatty(int);
77 extern FILE *fpopen(const char *cmd, const char *mode);
78
79 const char * program_name = "mke2fs";
80 static const char * device_name /* = NULL */;
81
82 /* Command line options */
83 static int cflag;
84 int verbose;
85 int quiet;
86 static int super_only;
87 static int discard = 1; /* attempt to discard device before fs creation */
88 static int direct_io;
89 static int force;
90 static int noaction;
91 static int num_backups = 2; /* number of backup bg's for sparse_super2 */
92 static uid_t root_uid;
93 static gid_t root_gid;
94 int journal_size;
95 int journal_flags;
96 int journal_fc_size;
97 static int lazy_itable_init;
98 static int packed_meta_blocks;
99 int no_copy_xattrs;
100 static char *bad_blocks_filename = NULL;
101 static __u32 fs_stride;
102 /* Initialize usr/grp quotas by default */
103 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
104 static __u64 offset;
105 static blk64_t journal_location = ~0LL;
106 static int proceed_delay = -1;
107 static blk64_t dev_size;
108
109 static struct ext2_super_block fs_param;
110 static __u32 zero_buf[4];
111 static char *fs_uuid = NULL;
112 static char *creator_os;
113 static char *volume_label;
114 static char *mount_dir;
115 char *journal_device;
116 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
117 char **fs_types;
118 const char *src_root_dir; /* Copy files from the specified directory */
119 static char *undo_file;
120
121 static int android_sparse_file; /* -E android_sparse */
122
123 static profile_t profile;
124
125 static int sys_page_size = 4096;
126
127 static int errors_behavior = 0;
128
usage(void)129 static void usage(void)
130 {
131 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
132 "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
133 "[-J journal-options]\n"
134 "\t[-G flex-group-size] [-N number-of-inodes] "
135 "[-d root-directory]\n"
136 "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
137 "\t[-g blocks-per-group] [-L volume-label] "
138 "[-M last-mounted-directory]\n\t[-O feature[,...]] "
139 "[-r fs-revision] [-E extended-option[,...]]\n"
140 "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
141 "[-z undo_file]\n"
142 "\t[-jnqvDFSV] device [blocks-count]\n"),
143 program_name);
144 exit(1);
145 }
146
int_log2(unsigned long long arg)147 static int int_log2(unsigned long long arg)
148 {
149 int l = 0;
150
151 arg >>= 1;
152 while (arg) {
153 l++;
154 arg >>= 1;
155 }
156 return l;
157 }
158
int_log10(unsigned long long arg)159 int int_log10(unsigned long long arg)
160 {
161 int l;
162
163 for (l=0; arg ; l++)
164 arg = arg / 10;
165 return l;
166 }
167
168 #ifdef __linux__
parse_version_number(const char * s)169 static int parse_version_number(const char *s)
170 {
171 int major, minor, rev;
172 char *endptr;
173 const char *cp = s;
174
175 if (!s)
176 return 0;
177 major = strtol(cp, &endptr, 10);
178 if (cp == endptr || *endptr != '.')
179 return 0;
180 cp = endptr + 1;
181 minor = strtol(cp, &endptr, 10);
182 if (cp == endptr || *endptr != '.')
183 return 0;
184 cp = endptr + 1;
185 rev = strtol(cp, &endptr, 10);
186 if (cp == endptr)
187 return 0;
188 return KERNEL_VERSION(major, minor, rev);
189 }
190
is_before_linux_ver(unsigned int major,unsigned int minor,unsigned int rev)191 static int is_before_linux_ver(unsigned int major, unsigned int minor,
192 unsigned int rev)
193 {
194 struct utsname ut;
195 static int linux_version_code = -1;
196
197 if (uname(&ut)) {
198 perror("uname");
199 exit(1);
200 }
201 if (linux_version_code < 0)
202 linux_version_code = parse_version_number(ut.release);
203 if (linux_version_code == 0)
204 return 0;
205
206 return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
207 }
208 #else
is_before_linux_ver(unsigned int major,unsigned int minor,unsigned int rev)209 static int is_before_linux_ver(unsigned int major, unsigned int minor,
210 unsigned int rev)
211 {
212 return 0;
213 }
214 #endif
215
216 /*
217 * Helper function for read_bb_file and test_disk
218 */
invalid_block(ext2_filsys fs EXT2FS_ATTR ((unused)),blk_t blk)219 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
220 {
221 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
222 return;
223 }
224
225 /*
226 * Reads the bad blocks list from a file
227 */
read_bb_file(ext2_filsys fs,badblocks_list * bb_list,const char * bad_blocks_file)228 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
229 const char *bad_blocks_file)
230 {
231 FILE *f;
232 errcode_t retval;
233
234 f = fopen(bad_blocks_file, "r");
235 if (!f) {
236 com_err("read_bad_blocks_file", errno,
237 _("while trying to open %s"), bad_blocks_file);
238 exit(1);
239 }
240 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
241 fclose (f);
242 if (retval) {
243 com_err("ext2fs_read_bb_FILE", retval, "%s",
244 _("while reading in list of bad blocks from file"));
245 exit(1);
246 }
247 }
248
249 /*
250 * Runs the badblocks program to test the disk
251 */
test_disk(ext2_filsys fs,badblocks_list * bb_list)252 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
253 {
254 FILE *f;
255 errcode_t retval;
256 char buf[1024];
257
258 sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
259 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
260 fs->device_name,
261 (unsigned long long) ext2fs_blocks_count(fs->super)-1);
262 if (verbose)
263 printf(_("Running command: %s\n"), buf);
264 f = popen(buf, "r");
265 if (!f) {
266 com_err("popen", errno,
267 _("while trying to run '%s'"), buf);
268 exit(1);
269 }
270 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
271 pclose(f);
272 if (retval) {
273 com_err("ext2fs_read_bb_FILE", retval, "%s",
274 _("while processing list of bad blocks from program"));
275 exit(1);
276 }
277 }
278
handle_bad_blocks(ext2_filsys fs,badblocks_list bb_list)279 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
280 {
281 dgrp_t i;
282 blk_t j;
283 unsigned must_be_good;
284 blk_t blk;
285 badblocks_iterate bb_iter;
286 errcode_t retval;
287 blk_t group_block;
288 int group;
289 int group_bad;
290
291 if (!bb_list)
292 return;
293
294 /*
295 * The primary superblock and group descriptors *must* be
296 * good; if not, abort.
297 */
298 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
299 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
300 if (ext2fs_badblocks_list_test(bb_list, i)) {
301 fprintf(stderr, _("Block %d in primary "
302 "superblock/group descriptor area bad.\n"), i);
303 fprintf(stderr, _("Blocks %u through %u must be good "
304 "in order to build a filesystem.\n"),
305 fs->super->s_first_data_block, must_be_good);
306 fputs(_("Aborting....\n"), stderr);
307 exit(1);
308 }
309 }
310
311 /*
312 * See if any of the bad blocks are showing up in the backup
313 * superblocks and/or group descriptors. If so, issue a
314 * warning and adjust the block counts appropriately.
315 */
316 group_block = fs->super->s_first_data_block +
317 fs->super->s_blocks_per_group;
318
319 for (i = 1; i < fs->group_desc_count; i++) {
320 group_bad = 0;
321 for (j=0; j < fs->desc_blocks+1; j++) {
322 if (ext2fs_badblocks_list_test(bb_list,
323 group_block + j)) {
324 if (!group_bad)
325 fprintf(stderr,
326 _("Warning: the backup superblock/group descriptors at block %u contain\n"
327 " bad blocks.\n\n"),
328 group_block);
329 group_bad++;
330 group = ext2fs_group_of_blk2(fs, group_block+j);
331 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
332 ext2fs_group_desc_csum_set(fs, group);
333 ext2fs_free_blocks_count_add(fs->super, 1);
334 }
335 }
336 group_block += fs->super->s_blocks_per_group;
337 }
338
339 /*
340 * Mark all the bad blocks as used...
341 */
342 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
343 if (retval) {
344 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
345 _("while marking bad blocks as used"));
346 exit(1);
347 }
348 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
349 ext2fs_mark_block_bitmap2(fs->block_map, blk);
350 ext2fs_badblocks_list_iterate_end(bb_iter);
351 }
352
write_reserved_inodes(ext2_filsys fs)353 static void write_reserved_inodes(ext2_filsys fs)
354 {
355 errcode_t retval;
356 ext2_ino_t ino;
357 struct ext2_inode *inode;
358
359 retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
360 if (retval) {
361 com_err("inode_init", retval, _("while allocating memory"));
362 exit(1);
363 }
364
365 for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
366 retval = ext2fs_write_inode_full(fs, ino, inode,
367 EXT2_INODE_SIZE(fs->super));
368 if (retval) {
369 com_err("ext2fs_write_inode_full", retval,
370 _("while writing reserved inodes"));
371 exit(1);
372 }
373 }
374
375 ext2fs_free_mem(&inode);
376 }
377
packed_allocate_tables(ext2_filsys fs)378 static errcode_t packed_allocate_tables(ext2_filsys fs)
379 {
380 errcode_t retval;
381 dgrp_t i;
382 blk64_t goal = 0;
383
384 for (i = 0; i < fs->group_desc_count; i++) {
385 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
386 if (retval)
387 return retval;
388 ext2fs_block_alloc_stats2(fs, goal, +1);
389 ext2fs_block_bitmap_loc_set(fs, i, goal);
390 }
391 for (i = 0; i < fs->group_desc_count; i++) {
392 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
393 if (retval)
394 return retval;
395 ext2fs_block_alloc_stats2(fs, goal, +1);
396 ext2fs_inode_bitmap_loc_set(fs, i, goal);
397 }
398 for (i = 0; i < fs->group_desc_count; i++) {
399 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
400 retval = ext2fs_get_free_blocks2(fs, goal, end,
401 fs->inode_blocks_per_group,
402 fs->block_map, &goal);
403 if (retval)
404 return retval;
405 ext2fs_block_alloc_stats_range(fs, goal,
406 fs->inode_blocks_per_group, +1);
407 ext2fs_inode_table_loc_set(fs, i, goal);
408 ext2fs_group_desc_csum_set(fs, i);
409 }
410 return 0;
411 }
412
write_inode_tables(ext2_filsys fs,int lazy_flag,int itable_zeroed)413 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
414 {
415 errcode_t retval;
416 blk64_t blk;
417 dgrp_t i;
418 int num;
419 struct ext2fs_numeric_progress_struct progress;
420
421 ext2fs_numeric_progress_init(fs, &progress,
422 _("Writing inode tables: "),
423 fs->group_desc_count);
424
425 for (i = 0; i < fs->group_desc_count; i++) {
426 ext2fs_numeric_progress_update(fs, &progress, i);
427
428 blk = ext2fs_inode_table_loc(fs, i);
429 num = fs->inode_blocks_per_group;
430
431 if (lazy_flag)
432 num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
433 ext2fs_bg_itable_unused(fs, i)) *
434 EXT2_INODE_SIZE(fs->super),
435 EXT2_BLOCK_SIZE(fs->super));
436 if (!lazy_flag || itable_zeroed) {
437 /* The kernel doesn't need to zero the itable blocks */
438 ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
439 ext2fs_group_desc_csum_set(fs, i);
440 }
441 if (!itable_zeroed) {
442 retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
443 if (retval) {
444 fprintf(stderr, _("\nCould not write %d "
445 "blocks in inode table starting at %llu: %s\n"),
446 num, (unsigned long long) blk,
447 error_message(retval));
448 exit(1);
449 }
450 }
451 if (sync_kludge) {
452 if (sync_kludge == 1)
453 io_channel_flush(fs->io);
454 else if ((i % sync_kludge) == 0)
455 io_channel_flush(fs->io);
456 }
457 }
458 ext2fs_numeric_progress_close(fs, &progress,
459 _("done \n"));
460
461 /* Reserved inodes must always have correct checksums */
462 if (ext2fs_has_feature_metadata_csum(fs->super))
463 write_reserved_inodes(fs);
464 }
465
create_root_dir(ext2_filsys fs)466 static void create_root_dir(ext2_filsys fs)
467 {
468 errcode_t retval;
469 struct ext2_inode inode;
470
471 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
472 if (retval) {
473 com_err("ext2fs_mkdir", retval, "%s",
474 _("while creating root dir"));
475 exit(1);
476 }
477 if (root_uid != 0 || root_gid != 0) {
478 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
479 if (retval) {
480 com_err("ext2fs_read_inode", retval, "%s",
481 _("while reading root inode"));
482 exit(1);
483 }
484
485 inode.i_uid = root_uid;
486 ext2fs_set_i_uid_high(inode, root_uid >> 16);
487 inode.i_gid = root_gid;
488 ext2fs_set_i_gid_high(inode, root_gid >> 16);
489
490 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
491 if (retval) {
492 com_err("ext2fs_write_inode", retval, "%s",
493 _("while setting root inode ownership"));
494 exit(1);
495 }
496 }
497 }
498
create_lost_and_found(ext2_filsys fs)499 static void create_lost_and_found(ext2_filsys fs)
500 {
501 unsigned int lpf_size = 0;
502 errcode_t retval;
503 ext2_ino_t ino;
504 const char *name = "lost+found";
505 int i;
506
507 fs->umask = 077;
508 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
509 if (retval) {
510 com_err("ext2fs_mkdir", retval, "%s",
511 _("while creating /lost+found"));
512 exit(1);
513 }
514
515 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
516 if (retval) {
517 com_err("ext2_lookup", retval, "%s",
518 _("while looking up /lost+found"));
519 exit(1);
520 }
521
522 for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
523 /* Ensure that lost+found is at least 2 blocks, so we always
524 * test large empty blocks for big-block filesystems. */
525 if ((lpf_size += fs->blocksize) >= 16*1024 &&
526 lpf_size >= 2 * fs->blocksize)
527 break;
528 retval = ext2fs_expand_dir(fs, ino);
529 if (retval) {
530 com_err("ext2fs_expand_dir", retval, "%s",
531 _("while expanding /lost+found"));
532 exit(1);
533 }
534 }
535 }
536
create_bad_block_inode(ext2_filsys fs,badblocks_list bb_list)537 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
538 {
539 errcode_t retval;
540
541 ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
542 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
543 retval = ext2fs_update_bb_inode(fs, bb_list);
544 if (retval) {
545 com_err("ext2fs_update_bb_inode", retval, "%s",
546 _("while setting bad block inode"));
547 exit(1);
548 }
549
550 }
551
reserve_inodes(ext2_filsys fs)552 static void reserve_inodes(ext2_filsys fs)
553 {
554 ext2_ino_t i;
555
556 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
557 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
558 ext2fs_mark_ib_dirty(fs);
559 }
560
561 #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
562 #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */
563 #define BSD_LABEL_OFFSET 64
564
zap_sector(ext2_filsys fs,int sect,int nsect)565 static void zap_sector(ext2_filsys fs, int sect, int nsect)
566 {
567 char *buf;
568 int retval;
569 unsigned int *magic;
570
571 buf = calloc(512, nsect);
572 if (!buf) {
573 printf(_("Out of memory erasing sectors %d-%d\n"),
574 sect, sect + nsect - 1);
575 exit(1);
576 }
577
578 if (sect == 0) {
579 /* Check for a BSD disklabel, and don't erase it if so */
580 retval = io_channel_read_blk64(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 free(buf);
590 return;
591 }
592 }
593 }
594
595 memset(buf, 0, 512*nsect);
596 io_channel_set_blksize(fs->io, 512);
597 retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
598 io_channel_set_blksize(fs->io, fs->blocksize);
599 free(buf);
600 if (retval)
601 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
602 sect, error_message(retval));
603 }
604
create_journal_dev(ext2_filsys fs)605 static void create_journal_dev(ext2_filsys fs)
606 {
607 struct ext2fs_numeric_progress_struct progress;
608 errcode_t retval;
609 char *buf;
610 blk64_t blk, err_blk;
611 int c, count, err_count;
612 struct ext2fs_journal_params jparams;
613
614 retval = ext2fs_get_journal_params(&jparams, fs);
615 if (retval) {
616 com_err("create_journal_dev", retval, "%s",
617 _("while splitting the journal size"));
618 exit(1);
619 }
620
621 retval = ext2fs_create_journal_superblock2(fs, &jparams, 0, &buf);
622 if (retval) {
623 com_err("create_journal_dev", retval, "%s",
624 _("while initializing journal superblock"));
625 exit(1);
626 }
627
628 if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
629 goto write_superblock;
630
631 ext2fs_numeric_progress_init(fs, &progress,
632 _("Zeroing journal device: "),
633 ext2fs_blocks_count(fs->super));
634 blk = 0;
635 count = ext2fs_blocks_count(fs->super);
636 while (count > 0) {
637 if (count > 1024)
638 c = 1024;
639 else
640 c = count;
641 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
642 if (retval) {
643 com_err("create_journal_dev", retval,
644 _("while zeroing journal device "
645 "(block %llu, count %d)"),
646 (unsigned long long) err_blk, err_count);
647 exit(1);
648 }
649 blk += c;
650 count -= c;
651 ext2fs_numeric_progress_update(fs, &progress, blk);
652 }
653
654 ext2fs_numeric_progress_close(fs, &progress, NULL);
655 write_superblock:
656 retval = io_channel_write_blk64(fs->io,
657 fs->super->s_first_data_block+1,
658 1, buf);
659 (void) ext2fs_free_mem(&buf);
660 if (retval) {
661 com_err("create_journal_dev", retval, "%s",
662 _("while writing journal superblock"));
663 exit(1);
664 }
665 }
666
show_stats(ext2_filsys fs)667 static void show_stats(ext2_filsys fs)
668 {
669 struct ext2_super_block *s = fs->super;
670 char *os;
671 blk64_t group_block;
672 dgrp_t i;
673 int need, col_left;
674
675 if (!verbose) {
676 printf(_("Creating filesystem with %llu %dk blocks and "
677 "%u inodes\n"),
678 (unsigned long long) ext2fs_blocks_count(s),
679 fs->blocksize >> 10, s->s_inodes_count);
680 goto skip_details;
681 }
682
683 if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
684 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
685 (unsigned long long) (ext2fs_blocks_count(&fs_param) -
686 ext2fs_blocks_count(s)));
687
688 printf(_("Filesystem label=%.*s\n"), EXT2_LEN_STR(s->s_volume_name));
689
690 os = e2p_os2string(fs->super->s_creator_os);
691 if (os)
692 printf(_("OS type: %s\n"), os);
693 free(os);
694 printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
695 s->s_log_block_size);
696 if (ext2fs_has_feature_bigalloc(fs->super))
697 printf(_("Cluster size=%u (log=%u)\n"),
698 fs->blocksize << fs->cluster_ratio_bits,
699 s->s_log_cluster_size);
700 else
701 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
702 s->s_log_cluster_size);
703 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
704 s->s_raid_stride, s->s_raid_stripe_width);
705 printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
706 (unsigned long long) ext2fs_blocks_count(s));
707 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
708 (unsigned long long) ext2fs_r_blocks_count(s),
709 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
710 printf(_("First data block=%u\n"), s->s_first_data_block);
711 if (root_uid != 0 || root_gid != 0)
712 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
713 if (s->s_reserved_gdt_blocks)
714 printf(_("Maximum filesystem blocks=%lu\n"),
715 (s->s_reserved_gdt_blocks + fs->desc_blocks) *
716 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
717 if (fs->group_desc_count > 1)
718 printf(_("%u block groups\n"), fs->group_desc_count);
719 else
720 printf(_("%u block group\n"), fs->group_desc_count);
721 if (ext2fs_has_feature_bigalloc(fs->super))
722 printf(_("%u blocks per group, %u clusters per group\n"),
723 s->s_blocks_per_group, s->s_clusters_per_group);
724 else
725 printf(_("%u blocks per group, %u fragments per group\n"),
726 s->s_blocks_per_group, s->s_clusters_per_group);
727 printf(_("%u inodes per group\n"), s->s_inodes_per_group);
728
729 skip_details:
730 if (fs->group_desc_count == 1) {
731 printf("\n");
732 return;
733 }
734
735 if (!e2p_is_null_uuid(s->s_uuid))
736 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
737 printf("%s", _("Superblock backups stored on blocks: "));
738 group_block = s->s_first_data_block;
739 col_left = 0;
740 for (i = 1; i < fs->group_desc_count; i++) {
741 group_block += s->s_blocks_per_group;
742 if (!ext2fs_bg_has_super(fs, i))
743 continue;
744 if (i != 1)
745 printf(", ");
746 need = int_log10(group_block) + 2;
747 if (need > col_left) {
748 printf("\n\t");
749 col_left = 72;
750 }
751 col_left -= need;
752 printf("%llu", (unsigned long long) group_block);
753 }
754 printf("\n\n");
755 }
756
757 /*
758 * Returns true if making a file system for the Hurd, else 0
759 */
for_hurd(const char * os)760 static int for_hurd(const char *os)
761 {
762 if (!os) {
763 #ifdef __GNU__
764 return 1;
765 #else
766 return 0;
767 #endif
768 }
769 if (isdigit(*os))
770 return (atoi(os) == EXT2_OS_HURD);
771 return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
772 }
773
774 /*
775 * Set the S_CREATOR_OS field. Return true if OS is known,
776 * otherwise, 0.
777 */
set_os(struct ext2_super_block * sb,char * os)778 static int set_os(struct ext2_super_block *sb, char *os)
779 {
780 if (isdigit (*os))
781 sb->s_creator_os = atoi (os);
782 else if (strcasecmp(os, "linux") == 0)
783 sb->s_creator_os = EXT2_OS_LINUX;
784 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
785 sb->s_creator_os = EXT2_OS_HURD;
786 else if (strcasecmp(os, "freebsd") == 0)
787 sb->s_creator_os = EXT2_OS_BSD;
788 else if (strcasecmp(os, "netbsd") == 0)
789 sb->s_creator_os = EXT2_OS_BSD;
790 else if (strcasecmp(os, "openbsd") == 0)
791 sb->s_creator_os = EXT2_OS_BSD;
792 else if (strcasecmp(os, "dragonfly") == 0)
793 sb->s_creator_os = EXT2_OS_BSD;
794 else if (strcasecmp(os, "lites") == 0)
795 sb->s_creator_os = EXT2_OS_LITES;
796 else
797 return 0;
798 return 1;
799 }
800
801 #define PATH_SET "PATH=/sbin"
802
parse_extended_opts(struct ext2_super_block * param,const char * opts)803 static void parse_extended_opts(struct ext2_super_block *param,
804 const char *opts)
805 {
806 char *buf, *token, *next, *p, *arg, *badopt = 0;
807 int len;
808 int r_usage = 0;
809 int ret;
810 int encoding = -1;
811 char *encoding_flags = NULL;
812
813 len = strlen(opts);
814 buf = malloc(len+1);
815 if (!buf) {
816 fprintf(stderr, "%s",
817 _("Couldn't allocate memory to parse options!\n"));
818 exit(1);
819 }
820 strcpy(buf, opts);
821 for (token = buf; token && *token; token = next) {
822 p = strchr(token, ',');
823 next = 0;
824 if (p) {
825 *p = 0;
826 next = p+1;
827 }
828 arg = strchr(token, '=');
829 if (arg) {
830 *arg = 0;
831 arg++;
832 }
833 if (strcmp(token, "desc-size") == 0 ||
834 strcmp(token, "desc_size") == 0) {
835 int desc_size;
836
837 if (!ext2fs_has_feature_64bit(&fs_param)) {
838 fprintf(stderr,
839 _("%s requires '-O 64bit'\n"), token);
840 r_usage++;
841 continue;
842 }
843 if (param->s_reserved_gdt_blocks != 0) {
844 fprintf(stderr,
845 _("'%s' must be before 'resize=%u'\n"),
846 token, param->s_reserved_gdt_blocks);
847 r_usage++;
848 continue;
849 }
850 if (!arg) {
851 r_usage++;
852 badopt = token;
853 continue;
854 }
855 desc_size = strtoul(arg, &p, 0);
856 if (*p || (desc_size & (desc_size - 1))) {
857 fprintf(stderr,
858 _("Invalid desc_size: '%s'\n"), arg);
859 r_usage++;
860 continue;
861 }
862 param->s_desc_size = desc_size;
863 } else if (strcmp(token, "hash_seed") == 0) {
864 if (!arg) {
865 r_usage++;
866 badopt = token;
867 continue;
868 }
869 if (uuid_parse(arg,
870 (unsigned char *)param->s_hash_seed) != 0) {
871 fprintf(stderr,
872 _("Invalid hash seed: %s\n"), arg);
873 r_usage++;
874 continue;
875 }
876 } else if (strcmp(token, "offset") == 0) {
877 if (!arg) {
878 r_usage++;
879 badopt = token;
880 continue;
881 }
882 offset = strtoull(arg, &p, 0);
883 if (*p) {
884 fprintf(stderr, _("Invalid offset: %s\n"),
885 arg);
886 r_usage++;
887 continue;
888 }
889 } else if (strcmp(token, "mmp_update_interval") == 0) {
890 if (!arg) {
891 r_usage++;
892 badopt = token;
893 continue;
894 }
895 param->s_mmp_update_interval = strtoul(arg, &p, 0);
896 if (*p) {
897 fprintf(stderr,
898 _("Invalid mmp_update_interval: %s\n"),
899 arg);
900 r_usage++;
901 continue;
902 }
903 } else if (strcmp(token, "no_copy_xattrs") == 0) {
904 no_copy_xattrs = 1;
905 continue;
906 } else if (strcmp(token, "num_backup_sb") == 0) {
907 if (!arg) {
908 r_usage++;
909 badopt = token;
910 continue;
911 }
912 num_backups = strtoul(arg, &p, 0);
913 if (*p || num_backups > 2) {
914 fprintf(stderr,
915 _("Invalid # of backup "
916 "superblocks: %s\n"),
917 arg);
918 r_usage++;
919 continue;
920 }
921 } else if (strcmp(token, "packed_meta_blocks") == 0) {
922 if (arg)
923 packed_meta_blocks = strtoul(arg, &p, 0);
924 else
925 packed_meta_blocks = 1;
926 if (packed_meta_blocks)
927 journal_location = 0;
928 } else if (strcmp(token, "stride") == 0) {
929 if (!arg) {
930 r_usage++;
931 badopt = token;
932 continue;
933 }
934 param->s_raid_stride = strtoul(arg, &p, 0);
935 if (*p) {
936 fprintf(stderr,
937 _("Invalid stride parameter: %s\n"),
938 arg);
939 r_usage++;
940 continue;
941 }
942 } else if (strcmp(token, "stripe-width") == 0 ||
943 strcmp(token, "stripe_width") == 0) {
944 if (!arg) {
945 r_usage++;
946 badopt = token;
947 continue;
948 }
949 param->s_raid_stripe_width = strtoul(arg, &p, 0);
950 if (*p) {
951 fprintf(stderr,
952 _("Invalid stripe-width parameter: %s\n"),
953 arg);
954 r_usage++;
955 continue;
956 }
957 } else if (!strcmp(token, "resize")) {
958 blk64_t resize;
959 unsigned long bpg, rsv_groups;
960 unsigned long group_desc_count, desc_blocks;
961 unsigned int gdpb, blocksize;
962 int rsv_gdb;
963
964 if (!arg) {
965 r_usage++;
966 badopt = token;
967 continue;
968 }
969
970 resize = parse_num_blocks2(arg,
971 param->s_log_block_size);
972
973 if (resize == 0) {
974 fprintf(stderr,
975 _("Invalid resize parameter: %s\n"),
976 arg);
977 r_usage++;
978 continue;
979 }
980 if (resize <= ext2fs_blocks_count(param)) {
981 fprintf(stderr, "%s",
982 _("The resize maximum must be greater "
983 "than the filesystem size.\n"));
984 r_usage++;
985 continue;
986 }
987
988 blocksize = EXT2_BLOCK_SIZE(param);
989 bpg = param->s_blocks_per_group;
990 if (!bpg)
991 bpg = blocksize * 8;
992 gdpb = EXT2_DESC_PER_BLOCK(param);
993 group_desc_count = (__u32) ext2fs_div64_ceil(
994 ext2fs_blocks_count(param), bpg);
995 desc_blocks = (group_desc_count +
996 gdpb - 1) / gdpb;
997 rsv_groups = ext2fs_div64_ceil(resize, bpg);
998 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
999 desc_blocks;
1000 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
1001 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
1002
1003 if (rsv_gdb > 0) {
1004 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
1005 fprintf(stderr, "%s",
1006 _("On-line resizing not supported with revision 0 filesystems\n"));
1007 free(buf);
1008 exit(1);
1009 }
1010 ext2fs_set_feature_resize_inode(param);
1011
1012 param->s_reserved_gdt_blocks = rsv_gdb;
1013 }
1014 } else if (!strcmp(token, "test_fs")) {
1015 param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
1016 } else if (!strcmp(token, "lazy_itable_init")) {
1017 if (arg)
1018 lazy_itable_init = strtoul(arg, &p, 0);
1019 else
1020 lazy_itable_init = 1;
1021 } else if (!strcmp(token, "lazy_journal_init")) {
1022 if (arg)
1023 journal_flags |= strtoul(arg, &p, 0) ?
1024 EXT2_MKJOURNAL_LAZYINIT : 0;
1025 else
1026 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
1027 } else if (!strcmp(token, "root_owner")) {
1028 if (arg) {
1029 root_uid = strtoul(arg, &p, 0);
1030 if (*p != ':') {
1031 fprintf(stderr,
1032 _("Invalid root_owner: '%s'\n"),
1033 arg);
1034 r_usage++;
1035 continue;
1036 }
1037 p++;
1038 root_gid = strtoul(p, &p, 0);
1039 if (*p) {
1040 fprintf(stderr,
1041 _("Invalid root_owner: '%s'\n"),
1042 arg);
1043 r_usage++;
1044 continue;
1045 }
1046 } else {
1047 root_uid = getuid();
1048 root_gid = getgid();
1049 }
1050 } else if (!strcmp(token, "discard")) {
1051 discard = 1;
1052 } else if (!strcmp(token, "nodiscard")) {
1053 discard = 0;
1054 } else if (!strcmp(token, "quotatype")) {
1055 char *errtok = NULL;
1056
1057 if (!arg) {
1058 r_usage++;
1059 badopt = token;
1060 continue;
1061 }
1062 quotatype_bits = 0;
1063 ret = parse_quota_types(arg, "atype_bits, &errtok);
1064 if (ret) {
1065 if (errtok) {
1066 fprintf(stderr,
1067 "Failed to parse quota type at %s", errtok);
1068 free(errtok);
1069 } else
1070 com_err(program_name, ret,
1071 "while parsing quota type");
1072 r_usage++;
1073 badopt = token;
1074 continue;
1075 }
1076 } else if (!strcmp(token, "android_sparse")) {
1077 android_sparse_file = 1;
1078 } else if (!strcmp(token, "encoding")) {
1079 if (!arg) {
1080 r_usage++;
1081 continue;
1082 }
1083
1084 encoding = e2p_str2encoding(arg);
1085 if (encoding < 0) {
1086 fprintf(stderr, _("Invalid encoding: %s"), arg);
1087 r_usage++;
1088 continue;
1089 }
1090 param->s_encoding = encoding;
1091 ext2fs_set_feature_casefold(param);
1092 } else if (!strcmp(token, "encoding_flags")) {
1093 if (!arg) {
1094 r_usage++;
1095 continue;
1096 }
1097 encoding_flags = arg;
1098 } else {
1099 r_usage++;
1100 badopt = token;
1101 }
1102 }
1103 if (r_usage) {
1104 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1105 "Extended options are separated by commas, "
1106 "and may take an argument which\n"
1107 "\tis set off by an equals ('=') sign.\n\n"
1108 "Valid extended options are:\n"
1109 "\tmmp_update_interval=<interval>\n"
1110 "\tnum_backup_sb=<0|1|2>\n"
1111 "\tstride=<RAID per-disk data chunk in blocks>\n"
1112 "\tstripe-width=<RAID stride * data disks in blocks>\n"
1113 "\toffset=<offset to create the file system>\n"
1114 "\tresize=<resize maximum size in blocks>\n"
1115 "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1116 "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1117 "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1118 "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1119 "\ttest_fs\n"
1120 "\tdiscard\n"
1121 "\tnodiscard\n"
1122 "\tencoding=<encoding>\n"
1123 "\tencoding_flags=<flags>\n"
1124 "\tquotatype=<quota type(s) to be enabled>\n\n"),
1125 badopt ? badopt : "");
1126 free(buf);
1127 exit(1);
1128 }
1129 if (param->s_raid_stride &&
1130 (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1131 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1132 "multiple of stride %u.\n\n"),
1133 param->s_raid_stripe_width, param->s_raid_stride);
1134
1135 if (ext2fs_has_feature_casefold(param)) {
1136 param->s_encoding_flags =
1137 e2p_get_encoding_flags(param->s_encoding);
1138
1139 if (encoding_flags &&
1140 e2p_str2encoding_flags(param->s_encoding, encoding_flags,
1141 ¶m->s_encoding_flags)) {
1142 fprintf(stderr, _("error: Invalid encoding flag: %s\n"),
1143 encoding_flags);
1144 free(buf);
1145 exit(1);
1146 }
1147 } else if (encoding_flags) {
1148 fprintf(stderr, _("error: An encoding must be explicitly "
1149 "specified when passing encoding-flags\n"));
1150 free(buf);
1151 exit(1);
1152 }
1153
1154 free(buf);
1155 }
1156
1157 static __u32 ok_features[3] = {
1158 /* Compat */
1159 EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1160 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1161 EXT2_FEATURE_COMPAT_DIR_INDEX |
1162 EXT2_FEATURE_COMPAT_EXT_ATTR |
1163 EXT4_FEATURE_COMPAT_SPARSE_SUPER2 |
1164 EXT4_FEATURE_COMPAT_FAST_COMMIT |
1165 EXT4_FEATURE_COMPAT_STABLE_INODES,
1166 /* Incompat */
1167 EXT2_FEATURE_INCOMPAT_FILETYPE|
1168 EXT3_FEATURE_INCOMPAT_EXTENTS|
1169 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1170 EXT2_FEATURE_INCOMPAT_META_BG|
1171 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1172 EXT4_FEATURE_INCOMPAT_EA_INODE|
1173 EXT4_FEATURE_INCOMPAT_MMP |
1174 EXT4_FEATURE_INCOMPAT_64BIT|
1175 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1176 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1177 EXT4_FEATURE_INCOMPAT_CASEFOLD |
1178 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1179 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1180 /* R/O compat */
1181 EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1182 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1183 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1184 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1185 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1186 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1187 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1188 EXT4_FEATURE_RO_COMPAT_QUOTA|
1189 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1190 EXT4_FEATURE_RO_COMPAT_PROJECT|
1191 EXT4_FEATURE_RO_COMPAT_VERITY
1192 };
1193
1194
syntax_err_report(const char * filename,long err,int line_num)1195 static void syntax_err_report(const char *filename, long err, int line_num)
1196 {
1197 fprintf(stderr,
1198 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1199 filename, line_num, error_message(err));
1200 exit(1);
1201 }
1202
1203 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1204
edit_feature(const char * str,__u32 * compat_array)1205 static void edit_feature(const char *str, __u32 *compat_array)
1206 {
1207 if (!str)
1208 return;
1209
1210 if (e2p_edit_feature(str, compat_array, ok_features)) {
1211 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1212 str);
1213 exit(1);
1214 }
1215 }
1216
edit_mntopts(const char * str,__u32 * mntopts)1217 static void edit_mntopts(const char *str, __u32 *mntopts)
1218 {
1219 if (!str)
1220 return;
1221
1222 if (e2p_edit_mntopts(str, mntopts, ~0)) {
1223 fprintf(stderr, _("Invalid mount option set: %s\n"),
1224 str);
1225 exit(1);
1226 }
1227 }
1228
1229 struct str_list {
1230 char **list;
1231 int num;
1232 int max;
1233 };
1234
init_list(struct str_list * sl)1235 static errcode_t init_list(struct str_list *sl)
1236 {
1237 sl->num = 0;
1238 sl->max = 1;
1239 sl->list = malloc((sl->max+1) * sizeof(char *));
1240 if (!sl->list)
1241 return ENOMEM;
1242 sl->list[0] = 0;
1243 return 0;
1244 }
1245
push_string(struct str_list * sl,const char * str)1246 static errcode_t push_string(struct str_list *sl, const char *str)
1247 {
1248 char **new_list;
1249
1250 if (sl->num >= sl->max) {
1251 sl->max += 2;
1252 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1253 if (!new_list)
1254 return ENOMEM;
1255 sl->list = new_list;
1256 }
1257 sl->list[sl->num] = malloc(strlen(str)+1);
1258 if (sl->list[sl->num] == 0)
1259 return ENOMEM;
1260 strcpy(sl->list[sl->num], str);
1261 sl->num++;
1262 sl->list[sl->num] = 0;
1263 return 0;
1264 }
1265
print_str_list(char ** list)1266 static void print_str_list(char **list)
1267 {
1268 char **cpp;
1269
1270 for (cpp = list; *cpp; cpp++) {
1271 printf("'%s'", *cpp);
1272 if (cpp[1])
1273 fputs(", ", stdout);
1274 }
1275 fputc('\n', stdout);
1276 }
1277
1278 /*
1279 * Return TRUE if the profile has the given subsection
1280 */
profile_has_subsection(profile_t prof,const char * section,const char * subsection)1281 static int profile_has_subsection(profile_t prof, const char *section,
1282 const char *subsection)
1283 {
1284 void *state;
1285 const char *names[4];
1286 char *name;
1287 int ret = 0;
1288
1289 names[0] = section;
1290 names[1] = subsection;
1291 names[2] = 0;
1292
1293 if (profile_iterator_create(prof, names,
1294 PROFILE_ITER_LIST_SECTION |
1295 PROFILE_ITER_RELATIONS_ONLY, &state))
1296 return 0;
1297
1298 if ((profile_iterator(&state, &name, 0) == 0) && name) {
1299 free(name);
1300 ret = 1;
1301 }
1302
1303 profile_iterator_free(&state);
1304 return ret;
1305 }
1306
parse_fs_type(const char * fs_type,const char * usage_types,struct ext2_super_block * sb,blk64_t fs_blocks_count,char * progname)1307 static char **parse_fs_type(const char *fs_type,
1308 const char *usage_types,
1309 struct ext2_super_block *sb,
1310 blk64_t fs_blocks_count,
1311 char *progname)
1312 {
1313 const char *ext_type = 0;
1314 char *parse_str;
1315 char *profile_type = 0;
1316 char *cp, *t;
1317 const char *size_type;
1318 struct str_list list;
1319 unsigned long long meg;
1320 int is_hurd = for_hurd(creator_os);
1321
1322 if (init_list(&list))
1323 return 0;
1324
1325 if (fs_type)
1326 ext_type = fs_type;
1327 else if (is_hurd)
1328 ext_type = "ext2";
1329 else if (!strcmp(program_name, "mke3fs"))
1330 ext_type = "ext3";
1331 else if (!strcmp(program_name, "mke4fs"))
1332 ext_type = "ext4";
1333 else if (progname) {
1334 ext_type = strrchr(progname, '/');
1335 if (ext_type)
1336 ext_type++;
1337 else
1338 ext_type = progname;
1339
1340 if (!strncmp(ext_type, "mkfs.", 5)) {
1341 ext_type += 5;
1342 if (ext_type[0] == 0)
1343 ext_type = 0;
1344 } else
1345 ext_type = 0;
1346 }
1347
1348 if (!ext_type) {
1349 profile_get_string(profile, "defaults", "fs_type", 0,
1350 "ext2", &profile_type);
1351 ext_type = profile_type;
1352 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1353 ext_type = "ext3";
1354 }
1355
1356
1357 if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1358 strcmp(ext_type, "ext2")) {
1359 printf(_("\nYour mke2fs.conf file does not define the "
1360 "%s filesystem type.\n"), ext_type);
1361 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1362 !strcmp(ext_type, "ext4dev")) {
1363 printf("%s", _("You probably need to install an "
1364 "updated mke2fs.conf file.\n\n"));
1365 }
1366 if (!force) {
1367 printf("%s", _("Aborting...\n"));
1368 exit(1);
1369 }
1370 }
1371
1372 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1373 if (fs_blocks_count < 3 * meg)
1374 size_type = "floppy";
1375 else if (fs_blocks_count < 512 * meg)
1376 size_type = "small";
1377 else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1378 size_type = "default";
1379 else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1380 size_type = "big";
1381 else
1382 size_type = "huge";
1383
1384 if (!usage_types)
1385 usage_types = size_type;
1386
1387 parse_str = malloc(strlen(usage_types)+1);
1388 if (!parse_str) {
1389 free(profile_type);
1390 free(list.list);
1391 return 0;
1392 }
1393 strcpy(parse_str, usage_types);
1394
1395 if (ext_type)
1396 push_string(&list, ext_type);
1397 cp = parse_str;
1398 while (1) {
1399 t = strchr(cp, ',');
1400 if (t)
1401 *t = '\0';
1402
1403 if (*cp) {
1404 if (profile_has_subsection(profile, "fs_types", cp))
1405 push_string(&list, cp);
1406 else if (strcmp(cp, "default") != 0)
1407 fprintf(stderr,
1408 _("\nWarning: the fs_type %s is not "
1409 "defined in mke2fs.conf\n\n"),
1410 cp);
1411 }
1412 if (t)
1413 cp = t+1;
1414 else
1415 break;
1416 }
1417 free(parse_str);
1418 free(profile_type);
1419 if (is_hurd)
1420 push_string(&list, "hurd");
1421 return (list.list);
1422 }
1423
get_string_from_profile(char ** types,const char * opt,const char * def_val)1424 char *get_string_from_profile(char **types, const char *opt,
1425 const char *def_val)
1426 {
1427 char *ret = 0;
1428 int i;
1429
1430 for (i=0; types[i]; i++);
1431 for (i-=1; i >=0 ; i--) {
1432 profile_get_string(profile, "fs_types", types[i],
1433 opt, 0, &ret);
1434 if (ret)
1435 return ret;
1436 }
1437 profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1438 return (ret);
1439 }
1440
get_int_from_profile(char ** types,const char * opt,int def_val)1441 int get_int_from_profile(char **types, const char *opt, int def_val)
1442 {
1443 int ret;
1444 char **cpp;
1445
1446 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1447 for (cpp = types; *cpp; cpp++)
1448 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1449 return ret;
1450 }
1451
get_uint_from_profile(char ** types,const char * opt,unsigned int def_val)1452 static unsigned int get_uint_from_profile(char **types, const char *opt,
1453 unsigned int def_val)
1454 {
1455 unsigned int ret;
1456 char **cpp;
1457
1458 profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1459 for (cpp = types; *cpp; cpp++)
1460 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1461 return ret;
1462 }
1463
get_double_from_profile(char ** types,const char * opt,double def_val)1464 static double get_double_from_profile(char **types, const char *opt,
1465 double def_val)
1466 {
1467 double ret;
1468 char **cpp;
1469
1470 profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1471 for (cpp = types; *cpp; cpp++)
1472 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1473 return ret;
1474 }
1475
get_bool_from_profile(char ** types,const char * opt,int def_val)1476 int get_bool_from_profile(char **types, const char *opt, int def_val)
1477 {
1478 int ret;
1479 char **cpp;
1480
1481 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1482 for (cpp = types; *cpp; cpp++)
1483 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1484 return ret;
1485 }
1486
1487 extern const char *mke2fs_default_profile;
1488 static const char *default_files[] = { "<default>", 0 };
1489
1490 struct device_param {
1491 unsigned long min_io; /* prefered minimum IO size */
1492 unsigned long opt_io; /* optimal IO size */
1493 unsigned long alignment_offset; /* alignment offset wrt physical block size */
1494 unsigned int dax:1; /* supports dax? */
1495 };
1496
1497 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1498 /*
1499 * Sets the geometry of a device (stripe/stride), and returns the
1500 * device's alignment offset, if any, or a negative error.
1501 */
get_device_geometry(const char * file,unsigned int blocksize,unsigned int psector_size,struct device_param * dev_param)1502 static int get_device_geometry(const char *file,
1503 unsigned int blocksize,
1504 unsigned int psector_size,
1505 struct device_param *dev_param)
1506 {
1507 int rc = -1;
1508 blkid_probe pr;
1509 blkid_topology tp;
1510 struct stat statbuf;
1511
1512 memset(dev_param, 0, sizeof(*dev_param));
1513
1514 /* Nothing to do for a regular file */
1515 if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1516 return 0;
1517
1518 pr = blkid_new_probe_from_filename(file);
1519 if (!pr)
1520 goto out;
1521
1522 tp = blkid_probe_get_topology(pr);
1523 if (!tp)
1524 goto out;
1525
1526 dev_param->min_io = blkid_topology_get_minimum_io_size(tp);
1527 dev_param->opt_io = blkid_topology_get_optimal_io_size(tp);
1528 if ((dev_param->min_io == 0) && (psector_size > blocksize))
1529 dev_param->min_io = psector_size;
1530 if ((dev_param->opt_io == 0) && dev_param->min_io > 0)
1531 dev_param->opt_io = dev_param->min_io;
1532 if ((dev_param->opt_io == 0) && (psector_size > blocksize))
1533 dev_param->opt_io = psector_size;
1534
1535 dev_param->alignment_offset = blkid_topology_get_alignment_offset(tp);
1536 #ifdef HAVE_BLKID_TOPOLOGY_GET_DAX
1537 dev_param->dax = blkid_topology_get_dax(tp);
1538 #endif
1539 rc = 0;
1540 out:
1541 blkid_free_probe(pr);
1542 return rc;
1543 }
1544 #endif
1545
PRS(int argc,char * argv[])1546 static void PRS(int argc, char *argv[])
1547 {
1548 int b, c, flags;
1549 int cluster_size = 0;
1550 char *tmp, **cpp;
1551 int explicit_fssize = 0;
1552 int blocksize = 0;
1553 int inode_ratio = 0;
1554 int inode_size = 0;
1555 unsigned long flex_bg_size = 0;
1556 double reserved_ratio = -1.0;
1557 int lsector_size = 0, psector_size = 0;
1558 int show_version_only = 0, is_device = 0;
1559 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1560 errcode_t retval;
1561 char * oldpath = getenv("PATH");
1562 char * extended_opts = 0;
1563 char * fs_type = 0;
1564 char * usage_types = 0;
1565 /*
1566 * NOTE: A few words about fs_blocks_count and blocksize:
1567 *
1568 * Initially, blocksize is set to zero, which implies 1024.
1569 * If -b is specified, blocksize is updated to the user's value.
1570 *
1571 * Next, the device size or the user's "blocks" command line argument
1572 * is used to set fs_blocks_count; the units are blocksize.
1573 *
1574 * Later, if blocksize hasn't been set and the profile specifies a
1575 * blocksize, then blocksize is updated and fs_blocks_count is scaled
1576 * appropriately. Note the change in units!
1577 *
1578 * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1579 */
1580 blk64_t fs_blocks_count = 0;
1581 long sysval;
1582 int s_opt = -1, r_opt = -1;
1583 char *fs_features = 0;
1584 int fs_features_size = 0;
1585 int use_bsize;
1586 char *newpath;
1587 int pathlen = sizeof(PATH_SET) + 1;
1588 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1589 struct device_param dev_param;
1590 #endif
1591
1592 if (oldpath)
1593 pathlen += strlen(oldpath);
1594 newpath = malloc(pathlen);
1595 if (!newpath) {
1596 fprintf(stderr, "%s",
1597 _("Couldn't allocate memory for new PATH.\n"));
1598 exit(1);
1599 }
1600 strcpy(newpath, PATH_SET);
1601
1602 /* Update our PATH to include /sbin */
1603 if (oldpath) {
1604 strcat (newpath, ":");
1605 strcat (newpath, oldpath);
1606 }
1607 putenv (newpath);
1608
1609 /* Determine the system page size if possible */
1610 #ifdef HAVE_SYSCONF
1611 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1612 #define _SC_PAGESIZE _SC_PAGE_SIZE
1613 #endif
1614 #ifdef _SC_PAGESIZE
1615 sysval = sysconf(_SC_PAGESIZE);
1616 if (sysval > 0)
1617 sys_page_size = sysval;
1618 #endif /* _SC_PAGESIZE */
1619 #endif /* HAVE_SYSCONF */
1620
1621 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1622 config_fn[0] = tmp;
1623 profile_set_syntax_err_cb(syntax_err_report);
1624 retval = profile_init(config_fn, &profile);
1625 if (retval == ENOENT) {
1626 retval = profile_init(default_files, &profile);
1627 if (retval)
1628 goto profile_error;
1629 retval = profile_set_default(profile, mke2fs_default_profile);
1630 if (retval)
1631 goto profile_error;
1632 } else if (retval) {
1633 profile_error:
1634 fprintf(stderr, _("Couldn't init profile successfully"
1635 " (error: %ld).\n"), retval);
1636 exit(1);
1637 }
1638
1639 setbuf(stdout, NULL);
1640 setbuf(stderr, NULL);
1641 add_error_table(&et_ext2_error_table);
1642 add_error_table(&et_prof_error_table);
1643 memset(&fs_param, 0, sizeof(struct ext2_super_block));
1644 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */
1645
1646 if (is_before_linux_ver(2, 2, 0))
1647 fs_param.s_rev_level = 0;
1648
1649 if (argc && *argv) {
1650 program_name = get_progname(*argv);
1651
1652 /* If called as mkfs.ext3, create a journal inode */
1653 if (!strcmp(program_name, "mkfs.ext3") ||
1654 !strcmp(program_name, "mke3fs"))
1655 journal_size = -1;
1656 }
1657
1658 while ((c = getopt (argc, argv,
1659 "b:cd:e:g:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:Vz:")) != EOF) {
1660 switch (c) {
1661 case 'b':
1662 blocksize = parse_num_blocks2(optarg, -1);
1663 b = (blocksize > 0) ? blocksize : -blocksize;
1664 if (b < EXT2_MIN_BLOCK_SIZE ||
1665 b > EXT2_MAX_BLOCK_SIZE) {
1666 com_err(program_name, 0,
1667 _("invalid block size - %s"), optarg);
1668 exit(1);
1669 }
1670 if (blocksize > 4096)
1671 fprintf(stderr, _("Warning: blocksize %d not "
1672 "usable on most systems.\n"),
1673 blocksize);
1674 if (blocksize > 0)
1675 fs_param.s_log_block_size =
1676 int_log2(blocksize >>
1677 EXT2_MIN_BLOCK_LOG_SIZE);
1678 break;
1679 case 'c': /* Check for bad blocks */
1680 cflag++;
1681 break;
1682 case 'C':
1683 cluster_size = parse_num_blocks2(optarg, -1);
1684 if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1685 cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1686 com_err(program_name, 0,
1687 _("invalid cluster size - %s"),
1688 optarg);
1689 exit(1);
1690 }
1691 break;
1692 case 'd':
1693 src_root_dir = optarg;
1694 break;
1695 case 'D':
1696 direct_io = 1;
1697 break;
1698 case 'R':
1699 com_err(program_name, 0, "%s",
1700 _("'-R' is deprecated, use '-E' instead"));
1701 /* fallthrough */
1702 case 'E':
1703 extended_opts = optarg;
1704 break;
1705 case 'e':
1706 if (strcmp(optarg, "continue") == 0)
1707 errors_behavior = EXT2_ERRORS_CONTINUE;
1708 else if (strcmp(optarg, "remount-ro") == 0)
1709 errors_behavior = EXT2_ERRORS_RO;
1710 else if (strcmp(optarg, "panic") == 0)
1711 errors_behavior = EXT2_ERRORS_PANIC;
1712 else {
1713 com_err(program_name, 0,
1714 _("bad error behavior - %s"),
1715 optarg);
1716 usage();
1717 }
1718 break;
1719 case 'F':
1720 force++;
1721 break;
1722 case 'g':
1723 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1724 if (*tmp) {
1725 com_err(program_name, 0, "%s",
1726 _("Illegal number for blocks per group"));
1727 exit(1);
1728 }
1729 if ((fs_param.s_blocks_per_group % 8) != 0) {
1730 com_err(program_name, 0, "%s",
1731 _("blocks per group must be multiple of 8"));
1732 exit(1);
1733 }
1734 break;
1735 case 'G':
1736 flex_bg_size = strtoul(optarg, &tmp, 0);
1737 if (*tmp) {
1738 com_err(program_name, 0, "%s",
1739 _("Illegal number for flex_bg size"));
1740 exit(1);
1741 }
1742 if (flex_bg_size < 1 ||
1743 (flex_bg_size & (flex_bg_size-1)) != 0) {
1744 com_err(program_name, 0, "%s",
1745 _("flex_bg size must be a power of 2"));
1746 exit(1);
1747 }
1748 if (flex_bg_size > MAX_32_NUM) {
1749 com_err(program_name, 0,
1750 _("flex_bg size (%lu) must be less than"
1751 " or equal to 2^31"), flex_bg_size);
1752 exit(1);
1753 }
1754 break;
1755 case 'i':
1756 inode_ratio = parse_num_blocks(optarg, -1);
1757 if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1758 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1759 com_err(program_name, 0,
1760 _("invalid inode ratio %s (min %d/max %d)"),
1761 optarg, EXT2_MIN_BLOCK_SIZE,
1762 EXT2_MAX_BLOCK_SIZE * 1024);
1763 exit(1);
1764 }
1765 break;
1766 case 'I':
1767 inode_size = strtoul(optarg, &tmp, 0);
1768 if (*tmp) {
1769 com_err(program_name, 0,
1770 _("invalid inode size - %s"), optarg);
1771 exit(1);
1772 }
1773 break;
1774 case 'j':
1775 if (!journal_size)
1776 journal_size = -1;
1777 if (!journal_fc_size)
1778 journal_fc_size = -1;
1779 break;
1780 case 'J':
1781 parse_journal_opts(optarg);
1782 break;
1783 case 'K':
1784 fprintf(stderr, "%s",
1785 _("Warning: -K option is deprecated and "
1786 "should not be used anymore. Use "
1787 "\'-E nodiscard\' extended option "
1788 "instead!\n"));
1789 discard = 0;
1790 break;
1791 case 'l':
1792 bad_blocks_filename = realloc(bad_blocks_filename,
1793 strlen(optarg) + 1);
1794 if (!bad_blocks_filename) {
1795 com_err(program_name, ENOMEM, "%s",
1796 _("in malloc for bad_blocks_filename"));
1797 exit(1);
1798 }
1799 strcpy(bad_blocks_filename, optarg);
1800 break;
1801 case 'L':
1802 volume_label = optarg;
1803 if (strlen(volume_label) > EXT2_LABEL_LEN) {
1804 volume_label[EXT2_LABEL_LEN] = '\0';
1805 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1806 volume_label);
1807 }
1808 break;
1809 case 'm':
1810 reserved_ratio = strtod(optarg, &tmp);
1811 if ( *tmp || reserved_ratio > 50 ||
1812 reserved_ratio < 0) {
1813 com_err(program_name, 0,
1814 _("invalid reserved blocks percent - %s"),
1815 optarg);
1816 exit(1);
1817 }
1818 break;
1819 case 'M':
1820 mount_dir = optarg;
1821 break;
1822 case 'n':
1823 noaction++;
1824 break;
1825 case 'N':
1826 num_inodes = strtoul(optarg, &tmp, 0);
1827 if (*tmp) {
1828 com_err(program_name, 0,
1829 _("bad num inodes - %s"), optarg);
1830 exit(1);
1831 }
1832 break;
1833 case 'o':
1834 creator_os = optarg;
1835 break;
1836 case 'O':
1837 retval = ext2fs_resize_mem(fs_features_size,
1838 fs_features_size + 1 + strlen(optarg),
1839 &fs_features);
1840 if (retval) {
1841 com_err(program_name, retval,
1842 _("while allocating fs_feature string"));
1843 exit(1);
1844 }
1845 if (fs_features_size)
1846 strcat(fs_features, ",");
1847 else
1848 fs_features[0] = 0;
1849 strcat(fs_features, optarg);
1850 fs_features_size += 1 + strlen(optarg);
1851 break;
1852 case 'q':
1853 quiet = 1;
1854 break;
1855 case 'r':
1856 r_opt = strtoul(optarg, &tmp, 0);
1857 if (*tmp) {
1858 com_err(program_name, 0,
1859 _("bad revision level - %s"), optarg);
1860 exit(1);
1861 }
1862 if (r_opt > EXT2_MAX_SUPP_REV) {
1863 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1864 _("while trying to create revision %d"), r_opt);
1865 exit(1);
1866 }
1867 fs_param.s_rev_level = r_opt;
1868 break;
1869 case 's': /* deprecated */
1870 s_opt = atoi(optarg);
1871 break;
1872 case 'S':
1873 super_only = 1;
1874 break;
1875 case 't':
1876 if (fs_type) {
1877 com_err(program_name, 0, "%s",
1878 _("The -t option may only be used once"));
1879 exit(1);
1880 }
1881 fs_type = strdup(optarg);
1882 break;
1883 case 'T':
1884 if (usage_types) {
1885 com_err(program_name, 0, "%s",
1886 _("The -T option may only be used once"));
1887 exit(1);
1888 }
1889 usage_types = strdup(optarg);
1890 break;
1891 case 'U':
1892 fs_uuid = optarg;
1893 break;
1894 case 'v':
1895 verbose = 1;
1896 break;
1897 case 'V':
1898 /* Print version number and exit */
1899 show_version_only++;
1900 break;
1901 case 'z':
1902 undo_file = optarg;
1903 break;
1904 default:
1905 usage();
1906 }
1907 }
1908 if ((optind == argc) && !show_version_only)
1909 usage();
1910 device_name = argv[optind++];
1911
1912 if (!quiet || show_version_only)
1913 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1914 E2FSPROGS_DATE);
1915
1916 if (show_version_only) {
1917 fprintf(stderr, _("\tUsing %s\n"),
1918 error_message(EXT2_ET_BASE));
1919 exit(0);
1920 }
1921
1922 /*
1923 * If there's no blocksize specified and there is a journal
1924 * device, use it to figure out the blocksize
1925 */
1926 if (blocksize <= 0 && journal_device) {
1927 ext2_filsys jfs;
1928 io_manager io_ptr;
1929
1930 #ifdef CONFIG_TESTIO_DEBUG
1931 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1932 io_ptr = test_io_manager;
1933 test_io_backing_manager = unix_io_manager;
1934 } else
1935 #endif
1936 io_ptr = unix_io_manager;
1937 retval = ext2fs_open(journal_device,
1938 EXT2_FLAG_JOURNAL_DEV_OK, 0,
1939 0, io_ptr, &jfs);
1940 if (retval) {
1941 com_err(program_name, retval,
1942 _("while trying to open journal device %s\n"),
1943 journal_device);
1944 exit(1);
1945 }
1946 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1947 com_err(program_name, 0,
1948 _("Journal dev blocksize (%d) smaller than "
1949 "minimum blocksize %d\n"), jfs->blocksize,
1950 -blocksize);
1951 exit(1);
1952 }
1953 blocksize = jfs->blocksize;
1954 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1955 fs_param.s_log_block_size =
1956 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1957 ext2fs_close_free(&jfs);
1958 }
1959
1960 if (optind < argc) {
1961 fs_blocks_count = parse_num_blocks2(argv[optind++],
1962 fs_param.s_log_block_size);
1963 if (!fs_blocks_count) {
1964 com_err(program_name, 0,
1965 _("invalid blocks '%s' on device '%s'"),
1966 argv[optind - 1], device_name);
1967 exit(1);
1968 }
1969 }
1970 if (optind < argc)
1971 usage();
1972
1973 profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1974 &sync_kludge);
1975 tmp = getenv("MKE2FS_SYNC");
1976 if (tmp)
1977 sync_kludge = atoi(tmp);
1978
1979 profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1980 &proceed_delay);
1981
1982 if (fs_blocks_count)
1983 explicit_fssize = 1;
1984
1985 check_mount(device_name, force, _("filesystem"));
1986
1987 /* Determine the size of the device (if possible) */
1988 if (noaction && fs_blocks_count) {
1989 dev_size = fs_blocks_count;
1990 retval = 0;
1991 } else
1992 retval = ext2fs_get_device_size2(device_name,
1993 EXT2_BLOCK_SIZE(&fs_param),
1994 &dev_size);
1995 if (retval == ENOENT) {
1996 int fd;
1997
1998 if (!explicit_fssize) {
1999 fprintf(stderr,
2000 _("The file %s does not exist and no "
2001 "size was specified.\n"), device_name);
2002 exit(1);
2003 }
2004 fd = ext2fs_open_file(device_name,
2005 O_CREAT | O_WRONLY, 0666);
2006 if (fd < 0) {
2007 retval = errno;
2008 } else {
2009 dev_size = 0;
2010 retval = 0;
2011 close(fd);
2012 printf(_("Creating regular file %s\n"), device_name);
2013 }
2014 }
2015 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
2016 com_err(program_name, retval, "%s",
2017 _("while trying to determine filesystem size"));
2018 exit(1);
2019 }
2020 if (!fs_blocks_count) {
2021 if (retval == EXT2_ET_UNIMPLEMENTED) {
2022 com_err(program_name, 0, "%s",
2023 _("Couldn't determine device size; you "
2024 "must specify\nthe size of the "
2025 "filesystem\n"));
2026 exit(1);
2027 } else {
2028 if (dev_size == 0) {
2029 com_err(program_name, 0, "%s",
2030 _("Device size reported to be zero. "
2031 "Invalid partition specified, or\n\t"
2032 "partition table wasn't reread "
2033 "after running fdisk, due to\n\t"
2034 "a modified partition being busy "
2035 "and in use. You may need to reboot\n\t"
2036 "to re-read your partition table.\n"
2037 ));
2038 exit(1);
2039 }
2040 fs_blocks_count = dev_size;
2041 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
2042 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
2043 EXT2_BLOCK_SIZE(&fs_param))-1));
2044 }
2045 } else if (!force && is_device && (fs_blocks_count > dev_size)) {
2046 com_err(program_name, 0, "%s",
2047 _("Filesystem larger than apparent device size."));
2048 proceed_question(proceed_delay);
2049 }
2050
2051 if (!fs_type)
2052 profile_get_string(profile, "devices", device_name,
2053 "fs_type", 0, &fs_type);
2054 if (!usage_types)
2055 profile_get_string(profile, "devices", device_name,
2056 "usage_types", 0, &usage_types);
2057 if (!creator_os)
2058 profile_get_string(profile, "defaults", "creator_os", 0,
2059 0, &creator_os);
2060
2061 /*
2062 * We have the file system (or device) size, so we can now
2063 * determine the appropriate file system types so the fs can
2064 * be appropriately configured.
2065 */
2066 fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
2067 fs_blocks_count ? fs_blocks_count : dev_size,
2068 argv[0]);
2069 if (!fs_types) {
2070 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
2071 exit(1);
2072 }
2073
2074 /* Figure out what features should be enabled */
2075
2076 tmp = NULL;
2077 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
2078 tmp = get_string_from_profile(fs_types, "base_features",
2079 "sparse_super,large_file,filetype,resize_inode,dir_index");
2080 edit_feature(tmp, &fs_param.s_feature_compat);
2081 free(tmp);
2082
2083 /* And which mount options as well */
2084 tmp = get_string_from_profile(fs_types, "default_mntopts",
2085 "acl,user_xattr");
2086 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
2087 if (tmp)
2088 free(tmp);
2089
2090 for (cpp = fs_types; *cpp; cpp++) {
2091 tmp = NULL;
2092 profile_get_string(profile, "fs_types", *cpp,
2093 "features", "", &tmp);
2094 if (tmp && *tmp)
2095 edit_feature(tmp, &fs_param.s_feature_compat);
2096 if (tmp)
2097 free(tmp);
2098 }
2099 tmp = get_string_from_profile(fs_types, "default_features",
2100 "");
2101 }
2102 /* Mask off features which aren't supported by the Hurd */
2103 if (for_hurd(creator_os)) {
2104 ext2fs_clear_feature_filetype(&fs_param);
2105 ext2fs_clear_feature_huge_file(&fs_param);
2106 ext2fs_clear_feature_metadata_csum(&fs_param);
2107 ext2fs_clear_feature_ea_inode(&fs_param);
2108 ext2fs_clear_feature_casefold(&fs_param);
2109 }
2110 edit_feature(fs_features ? fs_features : tmp,
2111 &fs_param.s_feature_compat);
2112 if (tmp)
2113 free(tmp);
2114 (void) ext2fs_free_mem(&fs_features);
2115 /*
2116 * If the user specified features incompatible with the Hurd, complain
2117 */
2118 if (for_hurd(creator_os)) {
2119 if (ext2fs_has_feature_filetype(&fs_param)) {
2120 fprintf(stderr, "%s", _("The HURD does not support the "
2121 "filetype feature.\n"));
2122 exit(1);
2123 }
2124 if (ext2fs_has_feature_huge_file(&fs_param)) {
2125 fprintf(stderr, "%s", _("The HURD does not support the "
2126 "huge_file feature.\n"));
2127 exit(1);
2128 }
2129 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2130 fprintf(stderr, "%s", _("The HURD does not support the "
2131 "metadata_csum feature.\n"));
2132 exit(1);
2133 }
2134 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2135 fprintf(stderr, "%s", _("The HURD does not support the "
2136 "ea_inode feature.\n"));
2137 exit(1);
2138 }
2139 }
2140
2141 /* Get the hardware sector sizes, if available */
2142 retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2143 if (retval) {
2144 com_err(program_name, retval, "%s",
2145 _("while trying to determine hardware sector size"));
2146 exit(1);
2147 }
2148 retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2149 if (retval) {
2150 com_err(program_name, retval, "%s",
2151 _("while trying to determine physical sector size"));
2152 exit(1);
2153 }
2154
2155 tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2156 if (tmp != NULL)
2157 lsector_size = atoi(tmp);
2158 tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2159 if (tmp != NULL)
2160 psector_size = atoi(tmp);
2161
2162 /* Older kernels may not have physical/logical distinction */
2163 if (!psector_size)
2164 psector_size = lsector_size;
2165
2166 if (blocksize <= 0) {
2167 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2168
2169 if (use_bsize == -1) {
2170 use_bsize = sys_page_size;
2171 if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2172 use_bsize = 4096;
2173 }
2174 if (lsector_size && use_bsize < lsector_size)
2175 use_bsize = lsector_size;
2176 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2177 use_bsize = -blocksize;
2178 blocksize = use_bsize;
2179 fs_blocks_count /= (blocksize / 1024);
2180 } else {
2181 if (blocksize < lsector_size) { /* Impossible */
2182 com_err(program_name, EINVAL, "%s",
2183 _("while setting blocksize; too small "
2184 "for device\n"));
2185 exit(1);
2186 } else if ((blocksize < psector_size) &&
2187 (psector_size <= sys_page_size)) { /* Suboptimal */
2188 fprintf(stderr, _("Warning: specified blocksize %d is "
2189 "less than device physical sectorsize %d\n"),
2190 blocksize, psector_size);
2191 }
2192 }
2193
2194 fs_param.s_log_block_size =
2195 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2196
2197 /*
2198 * We now need to do a sanity check of fs_blocks_count for
2199 * 32-bit vs 64-bit block number support.
2200 */
2201 if ((fs_blocks_count > MAX_32_NUM) &&
2202 ext2fs_has_feature_64bit(&fs_param))
2203 ext2fs_clear_feature_resize_inode(&fs_param);
2204 if ((fs_blocks_count > MAX_32_NUM) &&
2205 !ext2fs_has_feature_64bit(&fs_param) &&
2206 get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2207 ext2fs_set_feature_64bit(&fs_param);
2208 ext2fs_clear_feature_resize_inode(&fs_param);
2209 }
2210 if ((fs_blocks_count > MAX_32_NUM) &&
2211 !ext2fs_has_feature_64bit(&fs_param)) {
2212 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2213 "too big to be expressed\n\t"
2214 "in 32 bits using a blocksize of %d.\n"),
2215 program_name, (unsigned long long) fs_blocks_count,
2216 device_name, EXT2_BLOCK_SIZE(&fs_param));
2217 exit(1);
2218 }
2219 /*
2220 * Guard against group descriptor count overflowing... Mostly to avoid
2221 * strange results for absurdly large devices. This is in log2:
2222 * (blocksize) * (bits per byte) * (maximum number of block groups)
2223 */
2224 if (fs_blocks_count >
2225 (1ULL << (EXT2_BLOCK_SIZE_BITS(&fs_param) + 3 + 32)) - 1) {
2226 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2227 "too big to create\n\t"
2228 "a filesystem using a blocksize of %d.\n"),
2229 program_name, (unsigned long long) fs_blocks_count,
2230 device_name, EXT2_BLOCK_SIZE(&fs_param));
2231 exit(1);
2232 }
2233
2234 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2235
2236 if (ext2fs_has_feature_journal_dev(&fs_param)) {
2237 int i;
2238
2239 for (i=0; fs_types[i]; i++) {
2240 free(fs_types[i]);
2241 fs_types[i] = 0;
2242 }
2243 fs_types[0] = strdup("journal");
2244 fs_types[1] = 0;
2245 }
2246
2247 if (verbose) {
2248 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2249 print_str_list(fs_types);
2250 }
2251
2252 if (r_opt == EXT2_GOOD_OLD_REV &&
2253 (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2254 fs_param.s_feature_ro_compat)) {
2255 fprintf(stderr, "%s", _("Filesystem features not supported "
2256 "with revision 0 filesystems\n"));
2257 exit(1);
2258 }
2259
2260 if (s_opt > 0) {
2261 if (r_opt == EXT2_GOOD_OLD_REV) {
2262 fprintf(stderr, "%s",
2263 _("Sparse superblocks not supported "
2264 "with revision 0 filesystems\n"));
2265 exit(1);
2266 }
2267 ext2fs_set_feature_sparse_super(&fs_param);
2268 } else if (s_opt == 0)
2269 ext2fs_clear_feature_sparse_super(&fs_param);
2270
2271 if (journal_size != 0) {
2272 if (r_opt == EXT2_GOOD_OLD_REV) {
2273 fprintf(stderr, "%s", _("Journals not supported with "
2274 "revision 0 filesystems\n"));
2275 exit(1);
2276 }
2277 ext2fs_set_feature_journal(&fs_param);
2278 }
2279
2280 /* Get reserved_ratio from profile if not specified on cmd line. */
2281 if (reserved_ratio < 0.0) {
2282 reserved_ratio = get_double_from_profile(
2283 fs_types, "reserved_ratio", 5.0);
2284 if (reserved_ratio > 50 || reserved_ratio < 0) {
2285 com_err(program_name, 0,
2286 _("invalid reserved blocks percent - %lf"),
2287 reserved_ratio);
2288 exit(1);
2289 }
2290 }
2291
2292 if (ext2fs_has_feature_journal_dev(&fs_param)) {
2293 reserved_ratio = 0;
2294 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2295 fs_param.s_feature_compat = 0;
2296 fs_param.s_feature_ro_compat &=
2297 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2298 }
2299
2300 /* Check the user's mkfs options for 64bit */
2301 if (ext2fs_has_feature_64bit(&fs_param) &&
2302 !ext2fs_has_feature_extents(&fs_param)) {
2303 printf("%s", _("Extents MUST be enabled for a 64-bit "
2304 "filesystem. Pass -O extents to rectify.\n"));
2305 exit(1);
2306 }
2307
2308 /* Set first meta blockgroup via an environment variable */
2309 /* (this is mostly for debugging purposes) */
2310 if (ext2fs_has_feature_meta_bg(&fs_param) &&
2311 (tmp = getenv("MKE2FS_FIRST_META_BG")))
2312 fs_param.s_first_meta_bg = atoi(tmp);
2313 if (ext2fs_has_feature_bigalloc(&fs_param)) {
2314 if (!cluster_size)
2315 cluster_size = get_int_from_profile(fs_types,
2316 "cluster_size",
2317 blocksize*16);
2318 fs_param.s_log_cluster_size =
2319 int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2320 if (fs_param.s_log_cluster_size &&
2321 fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2322 com_err(program_name, 0, "%s",
2323 _("The cluster size may not be "
2324 "smaller than the block size.\n"));
2325 exit(1);
2326 }
2327 } else if (cluster_size) {
2328 com_err(program_name, 0, "%s",
2329 _("specifying a cluster size requires the "
2330 "bigalloc feature"));
2331 exit(1);
2332 } else
2333 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2334
2335 if (inode_ratio == 0) {
2336 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2337 8192);
2338 if (inode_ratio < blocksize)
2339 inode_ratio = blocksize;
2340 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2341 inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2342 }
2343
2344 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2345 retval = get_device_geometry(device_name, blocksize,
2346 psector_size, &dev_param);
2347 if (retval < 0) {
2348 fprintf(stderr,
2349 _("warning: Unable to get device geometry for %s\n"),
2350 device_name);
2351 } else {
2352 /* setting stripe/stride to blocksize is pointless */
2353 if (dev_param.min_io > (unsigned) blocksize)
2354 fs_param.s_raid_stride = dev_param.min_io / blocksize;
2355 if (dev_param.opt_io > (unsigned) blocksize) {
2356 fs_param.s_raid_stripe_width =
2357 dev_param.opt_io / blocksize;
2358 }
2359
2360 if (dev_param.alignment_offset) {
2361 printf(_("%s alignment is offset by %lu bytes.\n"),
2362 device_name, dev_param.alignment_offset);
2363 printf(_("This may result in very poor performance, "
2364 "(re)-partitioning suggested.\n"));
2365 }
2366
2367 if (dev_param.dax && blocksize != sys_page_size) {
2368 fprintf(stderr,
2369 _("%s is capable of DAX but current block size "
2370 "%u is different from system page size %u so "
2371 "filesystem will not support DAX.\n"),
2372 device_name, blocksize, sys_page_size);
2373 }
2374 }
2375 #endif
2376
2377 num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2378
2379 blocksize = EXT2_BLOCK_SIZE(&fs_param);
2380
2381 /*
2382 * Initialize s_desc_size so that the parse_extended_opts()
2383 * can correctly handle "-E resize=NNN" if the 64-bit option
2384 * is set.
2385 */
2386 if (ext2fs_has_feature_64bit(&fs_param))
2387 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2388
2389 /* This check should happen beyond the last assignment to blocksize */
2390 if (blocksize > sys_page_size) {
2391 if (!force) {
2392 com_err(program_name, 0,
2393 _("%d-byte blocks too big for system (max %d)"),
2394 blocksize, sys_page_size);
2395 proceed_question(proceed_delay);
2396 }
2397 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2398 "(max %d), forced to continue\n"),
2399 blocksize, sys_page_size);
2400 }
2401
2402 /* Metadata checksumming wasn't totally stable before 3.18. */
2403 if (is_before_linux_ver(3, 18, 0) &&
2404 ext2fs_has_feature_metadata_csum(&fs_param))
2405 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2406 "improved stability of the metadata and journal "
2407 "checksum features.\n"));
2408
2409 /*
2410 * On newer kernels we do have lazy_itable_init support. So pick the
2411 * right default in case ext4 module is not loaded.
2412 */
2413 if (is_before_linux_ver(2, 6, 37))
2414 lazy_itable_init = 0;
2415 else
2416 lazy_itable_init = 1;
2417
2418 if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2419 lazy_itable_init = 1;
2420
2421 lazy_itable_init = get_bool_from_profile(fs_types,
2422 "lazy_itable_init",
2423 lazy_itable_init);
2424 discard = get_bool_from_profile(fs_types, "discard" , discard);
2425 journal_flags |= get_bool_from_profile(fs_types,
2426 "lazy_journal_init", 0) ?
2427 EXT2_MKJOURNAL_LAZYINIT : 0;
2428 journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2429
2430 if (!journal_location_string)
2431 journal_location_string = get_string_from_profile(fs_types,
2432 "journal_location", "");
2433 if ((journal_location == ~0ULL) && journal_location_string &&
2434 *journal_location_string)
2435 journal_location = parse_num_blocks2(journal_location_string,
2436 fs_param.s_log_block_size);
2437 free(journal_location_string);
2438
2439 packed_meta_blocks = get_bool_from_profile(fs_types,
2440 "packed_meta_blocks", 0);
2441 if (packed_meta_blocks)
2442 journal_location = 0;
2443
2444 if (ext2fs_has_feature_casefold(&fs_param)) {
2445 char *ef, *en = get_string_from_profile(fs_types,
2446 "encoding", "utf8");
2447 int encoding = e2p_str2encoding(en);
2448
2449 if (encoding < 0) {
2450 com_err(program_name, 0,
2451 _("Unknown filename encoding from profile: %s"),
2452 en);
2453 exit(1);
2454 }
2455 free(en);
2456 fs_param.s_encoding = encoding;
2457 ef = get_string_from_profile(fs_types, "encoding_flags", NULL);
2458 if (ef) {
2459 if (e2p_str2encoding_flags(encoding, ef,
2460 &fs_param.s_encoding_flags) < 0) {
2461 com_err(program_name, 0,
2462 _("Unknown encoding flags from profile: %s"), ef);
2463 exit(1);
2464 }
2465 free(ef);
2466 } else
2467 fs_param.s_encoding_flags =
2468 e2p_get_encoding_flags(encoding);
2469 }
2470
2471 /* Get options from profile */
2472 for (cpp = fs_types; *cpp; cpp++) {
2473 tmp = NULL;
2474 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2475 if (tmp && *tmp)
2476 parse_extended_opts(&fs_param, tmp);
2477 free(tmp);
2478 }
2479
2480 if (extended_opts)
2481 parse_extended_opts(&fs_param, extended_opts);
2482
2483 if (explicit_fssize == 0 && offset > 0) {
2484 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2485 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2486 fprintf(stderr,
2487 _("\nWarning: offset specified without an "
2488 "explicit file system size.\n"
2489 "Creating a file system with %llu blocks "
2490 "but this might\n"
2491 "not be what you want.\n\n"),
2492 (unsigned long long) fs_blocks_count);
2493 }
2494
2495 if (quotatype_bits & QUOTA_PRJ_BIT)
2496 ext2fs_set_feature_project(&fs_param);
2497
2498 if (ext2fs_has_feature_project(&fs_param)) {
2499 quotatype_bits |= QUOTA_PRJ_BIT;
2500 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2501 com_err(program_name, 0,
2502 _("%d byte inodes are too small for "
2503 "project quota"),
2504 inode_size);
2505 exit(1);
2506 }
2507 if (inode_size == 0) {
2508 inode_size = get_int_from_profile(fs_types,
2509 "inode_size", 0);
2510 if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2511 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2512 }
2513 }
2514
2515 /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2516 if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2517 ext2fs_has_feature_gdt_csum(&fs_param))
2518 ext2fs_clear_feature_gdt_csum(&fs_param);
2519
2520 /* Can't support bigalloc feature without extents feature */
2521 if (ext2fs_has_feature_bigalloc(&fs_param) &&
2522 !ext2fs_has_feature_extents(&fs_param)) {
2523 com_err(program_name, 0, "%s",
2524 _("Can't support bigalloc feature without "
2525 "extents feature"));
2526 exit(1);
2527 }
2528
2529 if (ext2fs_has_feature_meta_bg(&fs_param) &&
2530 ext2fs_has_feature_resize_inode(&fs_param)) {
2531 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2532 "features are not compatible.\n"
2533 "They can not be both enabled "
2534 "simultaneously.\n"));
2535 exit(1);
2536 }
2537
2538 if (!quiet && ext2fs_has_feature_bigalloc(&fs_param) &&
2539 EXT2_CLUSTER_SIZE(&fs_param) > 16 * EXT2_BLOCK_SIZE(&fs_param))
2540 fprintf(stderr, "%s", _("\nWarning: bigalloc file systems "
2541 "with a cluster size greater than\n"
2542 "16 times the block size is considered "
2543 "experimental\n"));
2544
2545 /*
2546 * Since sparse_super is the default, we would only have a problem
2547 * here if it was explicitly disabled.
2548 */
2549 if (ext2fs_has_feature_resize_inode(&fs_param) &&
2550 !ext2fs_has_feature_sparse_super(&fs_param)) {
2551 com_err(program_name, 0, "%s",
2552 _("reserved online resize blocks not supported "
2553 "on non-sparse filesystem"));
2554 exit(1);
2555 }
2556
2557 if (fs_param.s_blocks_per_group) {
2558 if (fs_param.s_blocks_per_group < 256 ||
2559 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2560 com_err(program_name, 0, "%s",
2561 _("blocks per group count out of range"));
2562 exit(1);
2563 }
2564 }
2565
2566 /*
2567 * If the bigalloc feature is enabled, then the -g option will
2568 * specify the number of clusters per group.
2569 */
2570 if (ext2fs_has_feature_bigalloc(&fs_param)) {
2571 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2572 fs_param.s_blocks_per_group = 0;
2573 }
2574
2575 if (inode_size == 0)
2576 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2577 if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2578 flex_bg_size = get_uint_from_profile(fs_types,
2579 "flex_bg_size", 16);
2580 if (flex_bg_size) {
2581 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2582 com_err(program_name, 0, "%s",
2583 _("Flex_bg feature not enabled, so "
2584 "flex_bg size may not be specified"));
2585 exit(1);
2586 }
2587 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2588 }
2589
2590 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2591 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2592 inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2593 inode_size & (inode_size - 1)) {
2594 com_err(program_name, 0,
2595 _("invalid inode size %d (min %d/max %d)"),
2596 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2597 blocksize);
2598 exit(1);
2599 }
2600 fs_param.s_inode_size = inode_size;
2601 }
2602
2603 /*
2604 * If inode size is 128 and inline data is enabled, we need
2605 * to notify users that inline data will never be useful.
2606 */
2607 if (ext2fs_has_feature_inline_data(&fs_param) &&
2608 fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2609 com_err(program_name, 0,
2610 _("%d byte inodes are too small for inline data; "
2611 "specify larger size"),
2612 fs_param.s_inode_size);
2613 exit(1);
2614 }
2615
2616 /*
2617 * Warn the user that filesystems with 128-byte inodes will
2618 * not work properly beyond 2038. This can be suppressed via
2619 * a boolean in the mke2fs.conf file, and we will disable this
2620 * warning for file systems created for the GNU Hurd.
2621 */
2622 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE &&
2623 get_bool_from_profile(fs_types, "warn_y2038_dates", 1))
2624 printf(
2625 _("128-byte inodes cannot handle dates beyond 2038 and are deprecated\n"));
2626
2627 /* Make sure number of inodes specified will fit in 32 bits */
2628 if (num_inodes == 0) {
2629 unsigned long long n;
2630 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2631 if (n > MAX_32_NUM) {
2632 if (ext2fs_has_feature_64bit(&fs_param))
2633 num_inodes = MAX_32_NUM;
2634 else {
2635 com_err(program_name, 0,
2636 _("too many inodes (%llu), raise "
2637 "inode ratio?"),
2638 (unsigned long long) n);
2639 exit(1);
2640 }
2641 }
2642 } else if (num_inodes > MAX_32_NUM) {
2643 com_err(program_name, 0,
2644 _("too many inodes (%llu), specify < 2^32 inodes"),
2645 (unsigned long long) num_inodes);
2646 exit(1);
2647 }
2648 /*
2649 * Calculate number of inodes based on the inode ratio
2650 */
2651 fs_param.s_inodes_count = num_inodes ? num_inodes :
2652 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2653
2654 if ((((unsigned long long)fs_param.s_inodes_count) *
2655 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2656 ((ext2fs_blocks_count(&fs_param)) *
2657 EXT2_BLOCK_SIZE(&fs_param))) {
2658 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2659 "(%u) too big for a\n\t"
2660 "filesystem with %llu blocks, "
2661 "specify higher inode_ratio (-i)\n\t"
2662 "or lower inode count (-N).\n"),
2663 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2664 fs_param.s_inodes_count,
2665 (unsigned long long) ext2fs_blocks_count(&fs_param));
2666 exit(1);
2667 }
2668
2669 /*
2670 * Calculate number of blocks to reserve
2671 */
2672 ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2673 ext2fs_blocks_count(&fs_param) / 100.0);
2674
2675 if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2676 if (num_backups >= 1)
2677 fs_param.s_backup_bgs[0] = 1;
2678 if (num_backups >= 2)
2679 fs_param.s_backup_bgs[1] = ~0;
2680 }
2681
2682 free(fs_type);
2683 free(usage_types);
2684
2685 /* The isatty() test is so we don't break existing scripts */
2686 flags = CREATE_FILE;
2687 if (isatty(0) && isatty(1) && !offset)
2688 flags |= CHECK_FS_EXIST;
2689 if (!quiet)
2690 flags |= VERBOSE_CREATE;
2691 if (!explicit_fssize)
2692 flags |= NO_SIZE;
2693 if (!check_plausibility(device_name, flags, &is_device) && !force)
2694 proceed_question(proceed_delay);
2695 }
2696
should_do_undo(const char * name)2697 static int should_do_undo(const char *name)
2698 {
2699 errcode_t retval;
2700 io_channel channel;
2701 __u16 s_magic;
2702 struct ext2_super_block super;
2703 io_manager manager = unix_io_manager;
2704 int csum_flag, force_undo;
2705
2706 csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2707 ext2fs_has_feature_gdt_csum(&fs_param);
2708 force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2709 if (!force_undo && (!csum_flag || !lazy_itable_init))
2710 return 0;
2711
2712 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel);
2713 if (retval) {
2714 /*
2715 * We don't handle error cases instead we
2716 * declare that the file system doesn't exist
2717 * and let the rest of mke2fs take care of
2718 * error
2719 */
2720 retval = 0;
2721 goto open_err_out;
2722 }
2723
2724 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2725 retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2726 if (retval) {
2727 retval = 0;
2728 goto err_out;
2729 }
2730
2731 #if defined(WORDS_BIGENDIAN)
2732 s_magic = ext2fs_swab16(super.s_magic);
2733 #else
2734 s_magic = super.s_magic;
2735 #endif
2736
2737 if (s_magic == EXT2_SUPER_MAGIC)
2738 retval = 1;
2739
2740 err_out:
2741 io_channel_close(channel);
2742
2743 open_err_out:
2744
2745 return retval;
2746 }
2747
mke2fs_setup_tdb(const char * name,io_manager * io_ptr)2748 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2749 {
2750 errcode_t retval = ENOMEM;
2751 char *tdb_dir = NULL, *tdb_file = NULL;
2752 char *dev_name, *tmp_name;
2753 int free_tdb_dir = 0;
2754
2755 /* (re)open a specific undo file */
2756 if (undo_file && undo_file[0] != 0) {
2757 retval = set_undo_io_backing_manager(*io_ptr);
2758 if (retval)
2759 goto err;
2760 *io_ptr = undo_io_manager;
2761 retval = set_undo_io_backup_file(undo_file);
2762 if (retval)
2763 goto err;
2764 printf(_("Overwriting existing filesystem; this can be undone "
2765 "using the command:\n"
2766 " e2undo %s %s\n\n"), undo_file, name);
2767 return retval;
2768 }
2769
2770 /*
2771 * Configuration via a conf file would be
2772 * nice
2773 */
2774 tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2775 if (!tdb_dir) {
2776 profile_get_string(profile, "defaults",
2777 "undo_dir", 0, "/var/lib/e2fsprogs",
2778 &tdb_dir);
2779 free_tdb_dir = 1;
2780 }
2781
2782 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2783 access(tdb_dir, W_OK)) {
2784 if (free_tdb_dir)
2785 free(tdb_dir);
2786 return 0;
2787 }
2788
2789 tmp_name = strdup(name);
2790 if (!tmp_name)
2791 goto errout;
2792 dev_name = basename(tmp_name);
2793 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2794 if (!tdb_file) {
2795 free(tmp_name);
2796 goto errout;
2797 }
2798 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2799 free(tmp_name);
2800
2801 if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2802 retval = errno;
2803 com_err(program_name, retval,
2804 _("while trying to delete %s"), tdb_file);
2805 goto errout;
2806 }
2807
2808 retval = set_undo_io_backing_manager(*io_ptr);
2809 if (retval)
2810 goto errout;
2811 *io_ptr = undo_io_manager;
2812 retval = set_undo_io_backup_file(tdb_file);
2813 if (retval)
2814 goto errout;
2815 printf(_("Overwriting existing filesystem; this can be undone "
2816 "using the command:\n"
2817 " e2undo %s %s\n\n"), tdb_file, name);
2818
2819 if (free_tdb_dir)
2820 free(tdb_dir);
2821 free(tdb_file);
2822 return 0;
2823
2824 errout:
2825 if (free_tdb_dir)
2826 free(tdb_dir);
2827 free(tdb_file);
2828 err:
2829 com_err(program_name, retval, "%s",
2830 _("while trying to setup undo file\n"));
2831 return retval;
2832 }
2833
mke2fs_discard_device(ext2_filsys fs)2834 static int mke2fs_discard_device(ext2_filsys fs)
2835 {
2836 struct ext2fs_numeric_progress_struct progress;
2837 blk64_t blocks = ext2fs_blocks_count(fs->super);
2838 blk64_t count = DISCARD_STEP_MB;
2839 blk64_t cur = 0;
2840 int retval = 0;
2841
2842 /*
2843 * Let's try if discard really works on the device, so
2844 * we do not print numeric progress resulting in failure
2845 * afterwards.
2846 */
2847 retval = io_channel_discard(fs->io, 0, 1);
2848 if (retval)
2849 return retval;
2850
2851 count *= (1024 * 1024);
2852 count /= fs->blocksize;
2853
2854 ext2fs_numeric_progress_init(fs, &progress,
2855 _("Discarding device blocks: "),
2856 blocks);
2857 while (cur < blocks) {
2858 ext2fs_numeric_progress_update(fs, &progress, cur);
2859
2860 if (cur + count > blocks)
2861 count = blocks - cur;
2862
2863 retval = io_channel_discard(fs->io, cur, count);
2864 if (retval)
2865 break;
2866 cur += count;
2867 }
2868
2869 if (retval) {
2870 ext2fs_numeric_progress_close(fs, &progress,
2871 _("failed - "));
2872 if (!quiet)
2873 printf("%s\n",error_message(retval));
2874 } else
2875 ext2fs_numeric_progress_close(fs, &progress,
2876 _("done \n"));
2877
2878 return retval;
2879 }
2880
fix_cluster_bg_counts(ext2_filsys fs)2881 static void fix_cluster_bg_counts(ext2_filsys fs)
2882 {
2883 blk64_t block, num_blocks, last_block, next;
2884 blk64_t tot_free = 0;
2885 errcode_t retval;
2886 dgrp_t group = 0;
2887 int grp_free = 0;
2888
2889 num_blocks = ext2fs_blocks_count(fs->super);
2890 last_block = ext2fs_group_last_block2(fs, group);
2891 block = fs->super->s_first_data_block;
2892 while (block < num_blocks) {
2893 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2894 block, last_block, &next);
2895 if (retval == 0)
2896 block = next;
2897 else {
2898 block = last_block + 1;
2899 goto next_bg;
2900 }
2901
2902 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2903 block, last_block, &next);
2904 if (retval)
2905 next = last_block + 1;
2906 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2907 tot_free += next - block;
2908 block = next;
2909
2910 if (block > last_block) {
2911 next_bg:
2912 ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2913 ext2fs_group_desc_csum_set(fs, group);
2914 grp_free = 0;
2915 group++;
2916 last_block = ext2fs_group_last_block2(fs, group);
2917 }
2918 }
2919 ext2fs_free_blocks_count_set(fs->super, tot_free);
2920 }
2921
create_quota_inodes(ext2_filsys fs)2922 static int create_quota_inodes(ext2_filsys fs)
2923 {
2924 quota_ctx_t qctx;
2925 errcode_t retval;
2926
2927 retval = quota_init_context(&qctx, fs, quotatype_bits);
2928 if (retval) {
2929 com_err(program_name, retval,
2930 _("while initializing quota context"));
2931 exit(1);
2932 }
2933 quota_compute_usage(qctx);
2934 retval = quota_write_inode(qctx, quotatype_bits);
2935 if (retval) {
2936 com_err(program_name, retval,
2937 _("while writing quota inodes"));
2938 exit(1);
2939 }
2940 quota_release_context(&qctx);
2941
2942 return 0;
2943 }
2944
set_error_behavior(ext2_filsys fs)2945 static errcode_t set_error_behavior(ext2_filsys fs)
2946 {
2947 char *arg = NULL;
2948 short errors = fs->super->s_errors;
2949
2950 arg = get_string_from_profile(fs_types, "errors", NULL);
2951 if (arg == NULL)
2952 goto try_user;
2953
2954 if (strcmp(arg, "continue") == 0)
2955 errors = EXT2_ERRORS_CONTINUE;
2956 else if (strcmp(arg, "remount-ro") == 0)
2957 errors = EXT2_ERRORS_RO;
2958 else if (strcmp(arg, "panic") == 0)
2959 errors = EXT2_ERRORS_PANIC;
2960 else {
2961 com_err(program_name, 0,
2962 _("bad error behavior in profile - %s"),
2963 arg);
2964 free(arg);
2965 return EXT2_ET_INVALID_ARGUMENT;
2966 }
2967 free(arg);
2968
2969 try_user:
2970 if (errors_behavior)
2971 errors = errors_behavior;
2972
2973 fs->super->s_errors = errors;
2974 return 0;
2975 }
2976
main(int argc,char * argv[])2977 int main (int argc, char *argv[])
2978 {
2979 errcode_t retval = 0;
2980 ext2_filsys fs;
2981 badblocks_list bb_list = 0;
2982 badblocks_iterate bb_iter;
2983 blk_t blk;
2984 struct ext2fs_journal_params jparams = {0};
2985 unsigned int i, checkinterval;
2986 int max_mnt_count;
2987 int val, hash_alg;
2988 int flags;
2989 int old_bitmaps;
2990 io_manager io_ptr;
2991 char opt_string[40];
2992 char *hash_alg_str;
2993 int itable_zeroed = 0;
2994 blk64_t overhead;
2995
2996 #ifdef ENABLE_NLS
2997 setlocale(LC_MESSAGES, "");
2998 setlocale(LC_CTYPE, "");
2999 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
3000 textdomain(NLS_CAT_NAME);
3001 set_com_err_gettext(gettext);
3002 #endif
3003 PRS(argc, argv);
3004
3005 #ifdef CONFIG_TESTIO_DEBUG
3006 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
3007 io_ptr = test_io_manager;
3008 test_io_backing_manager = unix_io_manager;
3009 } else
3010 #endif
3011 io_ptr = unix_io_manager;
3012
3013 if (undo_file != NULL || should_do_undo(device_name)) {
3014 retval = mke2fs_setup_tdb(device_name, &io_ptr);
3015 if (retval)
3016 exit(1);
3017 }
3018
3019 /*
3020 * Initialize the superblock....
3021 */
3022 flags = EXT2_FLAG_EXCLUSIVE;
3023 if (direct_io)
3024 flags |= EXT2_FLAG_DIRECT_IO;
3025 profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
3026 &old_bitmaps);
3027 if (!old_bitmaps)
3028 flags |= EXT2_FLAG_64BITS;
3029 /*
3030 * By default, we print how many inode tables or block groups
3031 * or whatever we've written so far. The quiet flag disables
3032 * this, along with a lot of other output.
3033 */
3034 if (!quiet)
3035 flags |= EXT2_FLAG_PRINT_PROGRESS;
3036 if (android_sparse_file) {
3037 char *android_sparse_params = malloc(strlen(device_name) + 48);
3038
3039 if (!android_sparse_params) {
3040 com_err(program_name, ENOMEM, "%s",
3041 _("in malloc for android_sparse_params"));
3042 exit(1);
3043 }
3044 sprintf(android_sparse_params, "(%s):%u:%u",
3045 device_name, fs_param.s_blocks_count,
3046 1024 << fs_param.s_log_block_size);
3047 retval = ext2fs_initialize(android_sparse_params, flags,
3048 &fs_param, sparse_io_manager, &fs);
3049 free(android_sparse_params);
3050 } else
3051 retval = ext2fs_initialize(device_name, flags, &fs_param,
3052 io_ptr, &fs);
3053 if (retval) {
3054 com_err(device_name, retval, "%s",
3055 _("while setting up superblock"));
3056 exit(1);
3057 }
3058 fs->progress_ops = &ext2fs_numeric_progress_ops;
3059
3060 /* Set the error behavior */
3061 retval = set_error_behavior(fs);
3062 if (retval)
3063 usage();
3064
3065 /* Check the user's mkfs options for metadata checksumming */
3066 if (!quiet &&
3067 !ext2fs_has_feature_journal_dev(fs->super) &&
3068 ext2fs_has_feature_metadata_csum(fs->super)) {
3069 if (!ext2fs_has_feature_extents(fs->super))
3070 printf("%s",
3071 _("Extents are not enabled. The file extent "
3072 "tree can be checksummed, whereas block maps "
3073 "cannot. Not enabling extents reduces the "
3074 "coverage of metadata checksumming. "
3075 "Pass -O extents to rectify.\n"));
3076 if (!ext2fs_has_feature_64bit(fs->super))
3077 printf("%s",
3078 _("64-bit filesystem support is not enabled. "
3079 "The larger fields afforded by this feature "
3080 "enable full-strength checksumming. "
3081 "Pass -O 64bit to rectify.\n"));
3082 }
3083
3084 if (ext2fs_has_feature_csum_seed(fs->super) &&
3085 !ext2fs_has_feature_metadata_csum(fs->super)) {
3086 printf("%s", _("The metadata_csum_seed feature "
3087 "requires the metadata_csum feature.\n"));
3088 exit(1);
3089 }
3090
3091 /* Calculate journal blocks */
3092 if (!journal_device && ((journal_size) ||
3093 ext2fs_has_feature_journal(&fs_param)))
3094 figure_journal_size(&jparams, journal_size, journal_fc_size, fs);
3095
3096 sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
3097 32768 : fs->blocksize * 8);
3098 io_channel_set_options(fs->io, opt_string);
3099 if (offset) {
3100 sprintf(opt_string, "offset=%llu", (unsigned long long) offset);
3101 io_channel_set_options(fs->io, opt_string);
3102 }
3103
3104 /* Can't undo discard ... */
3105 if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
3106 retval = mke2fs_discard_device(fs);
3107 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
3108 if (verbose)
3109 printf("%s",
3110 _("Discard succeeded and will return "
3111 "0s - skipping inode table wipe\n"));
3112 lazy_itable_init = 1;
3113 itable_zeroed = 1;
3114 zero_hugefile = 0;
3115 }
3116 }
3117
3118 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
3119 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
3120
3121 if (ext2fs_has_feature_flex_bg(&fs_param) ||
3122 ext2fs_has_feature_huge_file(&fs_param) ||
3123 ext2fs_has_feature_gdt_csum(&fs_param) ||
3124 ext2fs_has_feature_dir_nlink(&fs_param) ||
3125 ext2fs_has_feature_metadata_csum(&fs_param) ||
3126 ext2fs_has_feature_extra_isize(&fs_param))
3127 fs->super->s_kbytes_written = 1;
3128
3129 /*
3130 * Wipe out the old on-disk superblock
3131 */
3132 if (!noaction)
3133 zap_sector(fs, 2, 6);
3134
3135 /*
3136 * Parse or generate a UUID for the filesystem
3137 */
3138 if (fs_uuid) {
3139 if ((strcasecmp(fs_uuid, "null") == 0) ||
3140 (strcasecmp(fs_uuid, "clear") == 0)) {
3141 uuid_clear(fs->super->s_uuid);
3142 } else if (strcasecmp(fs_uuid, "time") == 0) {
3143 uuid_generate_time(fs->super->s_uuid);
3144 } else if (strcasecmp(fs_uuid, "random") == 0) {
3145 uuid_generate(fs->super->s_uuid);
3146 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
3147 com_err(device_name, 0, "could not parse UUID: %s\n",
3148 fs_uuid);
3149 exit(1);
3150 }
3151 } else
3152 uuid_generate(fs->super->s_uuid);
3153
3154 if (ext2fs_has_feature_csum_seed(fs->super))
3155 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
3156 fs->super->s_uuid, sizeof(fs->super->s_uuid));
3157
3158 ext2fs_init_csum_seed(fs);
3159
3160 /*
3161 * Initialize the directory index variables
3162 */
3163 hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3164 "half_md4");
3165 hash_alg = e2p_string2hash(hash_alg_str);
3166 free(hash_alg_str);
3167 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3168 EXT2_HASH_HALF_MD4;
3169
3170 if (memcmp(fs_param.s_hash_seed, zero_buf,
3171 sizeof(fs_param.s_hash_seed)) != 0) {
3172 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3173 sizeof(fs->super->s_hash_seed));
3174 } else
3175 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3176
3177 /*
3178 * Periodic checks can be enabled/disabled via config file.
3179 * Note we override the kernel include file's idea of what the default
3180 * check interval (never) should be. It's a good idea to check at
3181 * least *occasionally*, specially since servers will never rarely get
3182 * to reboot, since Linux is so robust these days. :-)
3183 *
3184 * 180 days (six months) seems like a good value.
3185 */
3186 #ifdef EXT2_DFL_CHECKINTERVAL
3187 #undef EXT2_DFL_CHECKINTERVAL
3188 #endif
3189 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3190
3191 if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3192 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3193 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3194 /*
3195 * Add "jitter" to the superblock's check interval so that we
3196 * don't check all the filesystems at the same time. We use a
3197 * kludgy hack of using the UUID to derive a random jitter value
3198 */
3199 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3200 val += fs->super->s_uuid[i];
3201 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3202 } else
3203 fs->super->s_max_mnt_count = -1;
3204
3205 /*
3206 * Override the creator OS, if applicable
3207 */
3208 if (creator_os && !set_os(fs->super, creator_os)) {
3209 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3210 exit(1);
3211 }
3212
3213 /*
3214 * For the Hurd, we will turn off filetype since it doesn't
3215 * support it.
3216 */
3217 if (fs->super->s_creator_os == EXT2_OS_HURD)
3218 ext2fs_clear_feature_filetype(fs->super);
3219
3220 /*
3221 * Set the volume label...
3222 */
3223 if (volume_label) {
3224 memset(fs->super->s_volume_name, 0,
3225 sizeof(fs->super->s_volume_name));
3226 strncpy((char *) fs->super->s_volume_name, volume_label,
3227 sizeof(fs->super->s_volume_name));
3228 }
3229
3230 /*
3231 * Set the last mount directory
3232 */
3233 if (mount_dir) {
3234 memset(fs->super->s_last_mounted, 0,
3235 sizeof(fs->super->s_last_mounted));
3236 strncpy((char *) fs->super->s_last_mounted, mount_dir,
3237 sizeof(fs->super->s_last_mounted));
3238 }
3239
3240 /* Set current default encryption algorithms for data and
3241 * filename encryption */
3242 if (ext2fs_has_feature_encrypt(fs->super)) {
3243 fs->super->s_encrypt_algos[0] =
3244 EXT4_ENCRYPTION_MODE_AES_256_XTS;
3245 fs->super->s_encrypt_algos[1] =
3246 EXT4_ENCRYPTION_MODE_AES_256_CTS;
3247 }
3248
3249 if (ext2fs_has_feature_metadata_csum(fs->super))
3250 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3251
3252 if (!quiet || noaction)
3253 show_stats(fs);
3254
3255 if (noaction)
3256 exit(0);
3257
3258 if (ext2fs_has_feature_journal_dev(fs->super)) {
3259 create_journal_dev(fs);
3260 printf("\n");
3261 exit(ext2fs_close_free(&fs) ? 1 : 0);
3262 }
3263
3264 if (bad_blocks_filename)
3265 read_bb_file(fs, &bb_list, bad_blocks_filename);
3266 if (cflag)
3267 test_disk(fs, &bb_list);
3268 handle_bad_blocks(fs, bb_list);
3269
3270 fs->stride = fs_stride = fs->super->s_raid_stride;
3271 if (!quiet)
3272 printf("%s", _("Allocating group tables: "));
3273 if (ext2fs_has_feature_flex_bg(fs->super) &&
3274 packed_meta_blocks)
3275 retval = packed_allocate_tables(fs);
3276 else
3277 retval = ext2fs_allocate_tables(fs);
3278 if (retval) {
3279 com_err(program_name, retval, "%s",
3280 _("while trying to allocate filesystem tables"));
3281 exit(1);
3282 }
3283 if (!quiet)
3284 printf("%s", _("done \n"));
3285
3286 /*
3287 * Unmark bad blocks to calculate overhead, because metadata
3288 * blocks and bad blocks can land on the same allocation cluster.
3289 */
3290 if (bb_list) {
3291 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3292 &bb_iter);
3293 if (retval) {
3294 com_err("ext2fs_badblocks_list_iterate_begin", retval,
3295 "%s", _("while unmarking bad blocks"));
3296 exit(1);
3297 }
3298 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3299 ext2fs_unmark_block_bitmap2(fs->block_map, blk);
3300 ext2fs_badblocks_list_iterate_end(bb_iter);
3301 }
3302
3303 retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3304 if (retval) {
3305 com_err(program_name, retval, "%s",
3306 _("\n\twhile converting subcluster bitmap"));
3307 exit(1);
3308 }
3309
3310 retval = ext2fs_count_used_clusters(fs, fs->super->s_first_data_block,
3311 ext2fs_blocks_count(fs->super) - 1,
3312 &overhead);
3313 if (retval) {
3314 com_err(program_name, retval, "%s",
3315 _("while calculating overhead"));
3316 exit(1);
3317 }
3318
3319 if (bb_list) {
3320 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3321 &bb_iter);
3322 if (retval) {
3323 com_err("ext2fs_badblocks_list_iterate_begin", retval,
3324 "%s", _("while marking bad blocks as used"));
3325 exit(1);
3326 }
3327 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3328 ext2fs_mark_block_bitmap2(fs->block_map, blk);
3329 ext2fs_badblocks_list_iterate_end(bb_iter);
3330 }
3331
3332 if (super_only) {
3333 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3334 printf(_("%s may be further corrupted by superblock rewrite\n"),
3335 device_name);
3336 if (!force)
3337 proceed_question(proceed_delay);
3338 fs->super->s_state |= EXT2_ERROR_FS;
3339 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3340 /*
3341 * The command "mke2fs -S" is used to recover
3342 * corrupted file systems, so do not mark any of the
3343 * inodes as unused; we want e2fsck to consider all
3344 * inodes as potentially containing recoverable data.
3345 */
3346 if (ext2fs_has_group_desc_csum(fs)) {
3347 for (i = 0; i < fs->group_desc_count; i++)
3348 ext2fs_bg_itable_unused_set(fs, i, 0);
3349 }
3350 } else {
3351 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3352 blk64_t rsv = 65536 / fs->blocksize;
3353 blk64_t blocks = ext2fs_blocks_count(fs->super);
3354 blk64_t start;
3355 blk64_t ret_blk;
3356
3357 #ifdef ZAP_BOOTBLOCK
3358 zap_sector(fs, 0, 2);
3359 #endif
3360
3361 /*
3362 * Wipe out any old MD RAID (or other) metadata at the end
3363 * of the device. This will also verify that the device is
3364 * as large as we think. Be careful with very small devices.
3365 */
3366 start = (blocks & ~(rsv - 1));
3367 if (start > rsv)
3368 start -= rsv;
3369 if (start > 0)
3370 retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3371 &ret_blk, NULL);
3372
3373 if (retval) {
3374 com_err(program_name, retval,
3375 _("while zeroing block %llu at end of filesystem"),
3376 (unsigned long long) ret_blk);
3377 }
3378 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3379 create_root_dir(fs);
3380 create_lost_and_found(fs);
3381 reserve_inodes(fs);
3382 create_bad_block_inode(fs, bb_list);
3383 if (ext2fs_has_feature_resize_inode(fs->super)) {
3384 retval = ext2fs_create_resize_inode(fs);
3385 if (retval) {
3386 com_err("ext2fs_create_resize_inode", retval,
3387 "%s",
3388 _("while reserving blocks for online resize"));
3389 exit(1);
3390 }
3391 }
3392 }
3393
3394 if (journal_device) {
3395 ext2_filsys jfs;
3396
3397 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3398 NULL) && !force)
3399 proceed_question(proceed_delay);
3400 check_mount(journal_device, force, _("journal"));
3401
3402 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3403 EXT2_FLAG_JOURNAL_DEV_OK, 0,
3404 fs->blocksize, unix_io_manager, &jfs);
3405 if (retval) {
3406 com_err(program_name, retval,
3407 _("while trying to open journal device %s\n"),
3408 journal_device);
3409 exit(1);
3410 }
3411 if (!quiet) {
3412 printf(_("Adding journal to device %s: "),
3413 journal_device);
3414 fflush(stdout);
3415 }
3416 retval = ext2fs_add_journal_device(fs, jfs);
3417 if(retval) {
3418 com_err (program_name, retval,
3419 _("\n\twhile trying to add journal to device %s"),
3420 journal_device);
3421 exit(1);
3422 }
3423 if (!quiet)
3424 printf("%s", _("done\n"));
3425 ext2fs_close_free(&jfs);
3426 free(journal_device);
3427 } else if ((journal_size) ||
3428 ext2fs_has_feature_journal(&fs_param)) {
3429 overhead += EXT2FS_NUM_B2C(fs, jparams.num_journal_blocks + jparams.num_fc_blocks);
3430 if (super_only) {
3431 printf("%s", _("Skipping journal creation in super-only mode\n"));
3432 fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3433 goto no_journal;
3434 }
3435
3436 if (!jparams.num_journal_blocks) {
3437 ext2fs_clear_feature_journal(fs->super);
3438 goto no_journal;
3439 }
3440 if (!quiet) {
3441 printf(_("Creating journal (%u blocks): "),
3442 jparams.num_journal_blocks + jparams.num_fc_blocks);
3443 fflush(stdout);
3444 }
3445 retval = ext2fs_add_journal_inode3(fs, &jparams,
3446 journal_location,
3447 journal_flags);
3448 if (retval) {
3449 com_err(program_name, retval, "%s",
3450 _("\n\twhile trying to create journal"));
3451 exit(1);
3452 }
3453 if (!quiet)
3454 printf("%s", _("done\n"));
3455 }
3456 no_journal:
3457 if (!super_only &&
3458 ext2fs_has_feature_mmp(fs->super)) {
3459 retval = ext2fs_mmp_init(fs);
3460 if (retval) {
3461 fprintf(stderr, "%s",
3462 _("\nError while enabling multiple "
3463 "mount protection feature."));
3464 exit(1);
3465 }
3466 if (!quiet)
3467 printf(_("Multiple mount protection is enabled "
3468 "with update interval %d seconds.\n"),
3469 fs->super->s_mmp_update_interval);
3470 }
3471
3472 overhead += fs->super->s_first_data_block;
3473 if (!super_only)
3474 fs->super->s_overhead_clusters = overhead;
3475
3476 if (ext2fs_has_feature_bigalloc(&fs_param))
3477 fix_cluster_bg_counts(fs);
3478 if (ext2fs_has_feature_quota(&fs_param))
3479 create_quota_inodes(fs);
3480
3481 retval = mk_hugefiles(fs, device_name);
3482 if (retval)
3483 com_err(program_name, retval, "while creating huge files");
3484 /* Copy files from the specified directory */
3485 if (src_root_dir) {
3486 if (!quiet)
3487 printf("%s", _("Copying files into the device: "));
3488
3489 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3490 EXT2_ROOT_INO);
3491 if (retval) {
3492 com_err(program_name, retval, "%s",
3493 _("while populating file system"));
3494 exit(1);
3495 } else if (!quiet)
3496 printf("%s", _("done\n"));
3497 }
3498
3499 if (!quiet)
3500 printf("%s", _("Writing superblocks and "
3501 "filesystem accounting information: "));
3502 checkinterval = fs->super->s_checkinterval;
3503 max_mnt_count = fs->super->s_max_mnt_count;
3504 retval = ext2fs_close_free(&fs);
3505 if (retval) {
3506 com_err(program_name, retval, "%s",
3507 _("while writing out and closing file system"));
3508 retval = 1;
3509 } else if (!quiet) {
3510 printf("%s", _("done\n\n"));
3511 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3512 print_check_message(max_mnt_count, checkinterval);
3513 }
3514
3515 remove_error_table(&et_ext2_error_table);
3516 remove_error_table(&et_prof_error_table);
3517 profile_release(profile);
3518 for (i=0; fs_types[i]; i++)
3519 free(fs_types[i]);
3520 free(fs_types);
3521 return retval;
3522 }
3523