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mke2fs: set overhead in super block
[thirdparty/e2fsprogs.git] / misc / mke2fs.c
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 static int lazy_itable_init;
97 static int packed_meta_blocks;
98 int no_copy_xattrs;
99 static char *bad_blocks_filename = NULL;
100 static __u32 fs_stride;
101 /* Initialize usr/grp quotas by default */
102 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
103 static __u64 offset;
104 static blk64_t journal_location = ~0LL;
105 static int proceed_delay = -1;
106 static blk64_t dev_size;
107
108 static struct ext2_super_block fs_param;
109 static __u32 zero_buf[4];
110 static char *fs_uuid = NULL;
111 static char *creator_os;
112 static char *volume_label;
113 static char *mount_dir;
114 char *journal_device;
115 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
116 char **fs_types;
117 const char *src_root_dir; /* Copy files from the specified directory */
118 static char *undo_file;
119
120 static int android_sparse_file; /* -E android_sparse */
121
122 static profile_t profile;
123
124 static int sys_page_size = 4096;
125
126 static int errors_behavior = 0;
127
128 static void usage(void)
129 {
130 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
131 "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
132 "[-J journal-options]\n"
133 "\t[-G flex-group-size] [-N number-of-inodes] "
134 "[-d root-directory]\n"
135 "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
136 "\t[-g blocks-per-group] [-L volume-label] "
137 "[-M last-mounted-directory]\n\t[-O feature[,...]] "
138 "[-r fs-revision] [-E extended-option[,...]]\n"
139 "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
140 "[-z undo_file]\n"
141 "\t[-jnqvDFSV] device [blocks-count]\n"),
142 program_name);
143 exit(1);
144 }
145
146 static int int_log2(unsigned long long arg)
147 {
148 int l = 0;
149
150 arg >>= 1;
151 while (arg) {
152 l++;
153 arg >>= 1;
154 }
155 return l;
156 }
157
158 int int_log10(unsigned long long arg)
159 {
160 int l;
161
162 for (l=0; arg ; l++)
163 arg = arg / 10;
164 return l;
165 }
166
167 #ifdef __linux__
168 static int parse_version_number(const char *s)
169 {
170 int major, minor, rev;
171 char *endptr;
172 const char *cp = s;
173
174 if (!s)
175 return 0;
176 major = strtol(cp, &endptr, 10);
177 if (cp == endptr || *endptr != '.')
178 return 0;
179 cp = endptr + 1;
180 minor = strtol(cp, &endptr, 10);
181 if (cp == endptr || *endptr != '.')
182 return 0;
183 cp = endptr + 1;
184 rev = strtol(cp, &endptr, 10);
185 if (cp == endptr)
186 return 0;
187 return KERNEL_VERSION(major, minor, rev);
188 }
189
190 static int is_before_linux_ver(unsigned int major, unsigned int minor,
191 unsigned int rev)
192 {
193 struct utsname ut;
194 static int linux_version_code = -1;
195
196 if (uname(&ut)) {
197 perror("uname");
198 exit(1);
199 }
200 if (linux_version_code < 0)
201 linux_version_code = parse_version_number(ut.release);
202 if (linux_version_code == 0)
203 return 0;
204
205 return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
206 }
207 #else
208 static int is_before_linux_ver(unsigned int major, unsigned int minor,
209 unsigned int rev)
210 {
211 return 0;
212 }
213 #endif
214
215 /*
216 * Helper function for read_bb_file and test_disk
217 */
218 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
219 {
220 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
221 return;
222 }
223
224 /*
225 * Reads the bad blocks list from a file
226 */
227 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
228 const char *bad_blocks_file)
229 {
230 FILE *f;
231 errcode_t retval;
232
233 f = fopen(bad_blocks_file, "r");
234 if (!f) {
235 com_err("read_bad_blocks_file", errno,
236 _("while trying to open %s"), bad_blocks_file);
237 exit(1);
238 }
239 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
240 fclose (f);
241 if (retval) {
242 com_err("ext2fs_read_bb_FILE", retval, "%s",
243 _("while reading in list of bad blocks from file"));
244 exit(1);
245 }
246 }
247
248 /*
249 * Runs the badblocks program to test the disk
250 */
251 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
252 {
253 FILE *f;
254 errcode_t retval;
255 char buf[1024];
256
257 sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
258 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
259 fs->device_name, ext2fs_blocks_count(fs->super)-1);
260 if (verbose)
261 printf(_("Running command: %s\n"), buf);
262 f = popen(buf, "r");
263 if (!f) {
264 com_err("popen", errno,
265 _("while trying to run '%s'"), buf);
266 exit(1);
267 }
268 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
269 pclose(f);
270 if (retval) {
271 com_err("ext2fs_read_bb_FILE", retval, "%s",
272 _("while processing list of bad blocks from program"));
273 exit(1);
274 }
275 }
276
277 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
278 {
279 dgrp_t i;
280 blk_t j;
281 unsigned must_be_good;
282 blk_t blk;
283 badblocks_iterate bb_iter;
284 errcode_t retval;
285 blk_t group_block;
286 int group;
287 int group_bad;
288
289 if (!bb_list)
290 return;
291
292 /*
293 * The primary superblock and group descriptors *must* be
294 * good; if not, abort.
295 */
296 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
297 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
298 if (ext2fs_badblocks_list_test(bb_list, i)) {
299 fprintf(stderr, _("Block %d in primary "
300 "superblock/group descriptor area bad.\n"), i);
301 fprintf(stderr, _("Blocks %u through %u must be good "
302 "in order to build a filesystem.\n"),
303 fs->super->s_first_data_block, must_be_good);
304 fputs(_("Aborting....\n"), stderr);
305 exit(1);
306 }
307 }
308
309 /*
310 * See if any of the bad blocks are showing up in the backup
311 * superblocks and/or group descriptors. If so, issue a
312 * warning and adjust the block counts appropriately.
313 */
314 group_block = fs->super->s_first_data_block +
315 fs->super->s_blocks_per_group;
316
317 for (i = 1; i < fs->group_desc_count; i++) {
318 group_bad = 0;
319 for (j=0; j < fs->desc_blocks+1; j++) {
320 if (ext2fs_badblocks_list_test(bb_list,
321 group_block + j)) {
322 if (!group_bad)
323 fprintf(stderr,
324 _("Warning: the backup superblock/group descriptors at block %u contain\n"
325 " bad blocks.\n\n"),
326 group_block);
327 group_bad++;
328 group = ext2fs_group_of_blk2(fs, group_block+j);
329 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
330 ext2fs_group_desc_csum_set(fs, group);
331 ext2fs_free_blocks_count_add(fs->super, 1);
332 }
333 }
334 group_block += fs->super->s_blocks_per_group;
335 }
336
337 /*
338 * Mark all the bad blocks as used...
339 */
340 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
341 if (retval) {
342 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
343 _("while marking bad blocks as used"));
344 exit(1);
345 }
346 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
347 ext2fs_mark_block_bitmap2(fs->block_map, blk);
348 ext2fs_badblocks_list_iterate_end(bb_iter);
349 }
350
351 static void write_reserved_inodes(ext2_filsys fs)
352 {
353 errcode_t retval;
354 ext2_ino_t ino;
355 struct ext2_inode *inode;
356
357 retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
358 if (retval) {
359 com_err("inode_init", retval, _("while allocating memory"));
360 exit(1);
361 }
362
363 for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
364 retval = ext2fs_write_inode_full(fs, ino, inode,
365 EXT2_INODE_SIZE(fs->super));
366 if (retval) {
367 com_err("ext2fs_write_inode_full", retval,
368 _("while writing reserved inodes"));
369 exit(1);
370 }
371 }
372
373 ext2fs_free_mem(&inode);
374 }
375
376 static errcode_t packed_allocate_tables(ext2_filsys fs)
377 {
378 errcode_t retval;
379 dgrp_t i;
380 blk64_t goal = 0;
381
382 for (i = 0; i < fs->group_desc_count; i++) {
383 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
384 if (retval)
385 return retval;
386 ext2fs_block_alloc_stats2(fs, goal, +1);
387 ext2fs_block_bitmap_loc_set(fs, i, goal);
388 }
389 for (i = 0; i < fs->group_desc_count; i++) {
390 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
391 if (retval)
392 return retval;
393 ext2fs_block_alloc_stats2(fs, goal, +1);
394 ext2fs_inode_bitmap_loc_set(fs, i, goal);
395 }
396 for (i = 0; i < fs->group_desc_count; i++) {
397 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
398 retval = ext2fs_get_free_blocks2(fs, goal, end,
399 fs->inode_blocks_per_group,
400 fs->block_map, &goal);
401 if (retval)
402 return retval;
403 ext2fs_block_alloc_stats_range(fs, goal,
404 fs->inode_blocks_per_group, +1);
405 ext2fs_inode_table_loc_set(fs, i, goal);
406 ext2fs_group_desc_csum_set(fs, i);
407 }
408 return 0;
409 }
410
411 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
412 {
413 errcode_t retval;
414 blk64_t blk;
415 dgrp_t i;
416 int num;
417 struct ext2fs_numeric_progress_struct progress;
418
419 ext2fs_numeric_progress_init(fs, &progress,
420 _("Writing inode tables: "),
421 fs->group_desc_count);
422
423 for (i = 0; i < fs->group_desc_count; i++) {
424 ext2fs_numeric_progress_update(fs, &progress, i);
425
426 blk = ext2fs_inode_table_loc(fs, i);
427 num = fs->inode_blocks_per_group;
428
429 if (lazy_flag)
430 num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
431 ext2fs_bg_itable_unused(fs, i)) *
432 EXT2_INODE_SIZE(fs->super),
433 EXT2_BLOCK_SIZE(fs->super));
434 if (!lazy_flag || itable_zeroed) {
435 /* The kernel doesn't need to zero the itable blocks */
436 ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
437 ext2fs_group_desc_csum_set(fs, i);
438 }
439 if (!itable_zeroed) {
440 retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
441 if (retval) {
442 fprintf(stderr, _("\nCould not write %d "
443 "blocks in inode table starting at %llu: %s\n"),
444 num, blk, error_message(retval));
445 exit(1);
446 }
447 }
448 if (sync_kludge) {
449 if (sync_kludge == 1)
450 io_channel_flush(fs->io);
451 else if ((i % sync_kludge) == 0)
452 io_channel_flush(fs->io);
453 }
454 }
455 ext2fs_numeric_progress_close(fs, &progress,
456 _("done \n"));
457
458 /* Reserved inodes must always have correct checksums */
459 if (ext2fs_has_feature_metadata_csum(fs->super))
460 write_reserved_inodes(fs);
461 }
462
463 static void create_root_dir(ext2_filsys fs)
464 {
465 errcode_t retval;
466 struct ext2_inode inode;
467
468 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
469 if (retval) {
470 com_err("ext2fs_mkdir", retval, "%s",
471 _("while creating root dir"));
472 exit(1);
473 }
474 if (root_uid != 0 || root_gid != 0) {
475 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
476 if (retval) {
477 com_err("ext2fs_read_inode", retval, "%s",
478 _("while reading root inode"));
479 exit(1);
480 }
481
482 inode.i_uid = root_uid;
483 ext2fs_set_i_uid_high(inode, root_uid >> 16);
484 inode.i_gid = root_gid;
485 ext2fs_set_i_gid_high(inode, root_gid >> 16);
486
487 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
488 if (retval) {
489 com_err("ext2fs_write_inode", retval, "%s",
490 _("while setting root inode ownership"));
491 exit(1);
492 }
493 }
494 }
495
496 static void create_lost_and_found(ext2_filsys fs)
497 {
498 unsigned int lpf_size = 0;
499 errcode_t retval;
500 ext2_ino_t ino;
501 const char *name = "lost+found";
502 int i;
503
504 fs->umask = 077;
505 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
506 if (retval) {
507 com_err("ext2fs_mkdir", retval, "%s",
508 _("while creating /lost+found"));
509 exit(1);
510 }
511
512 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
513 if (retval) {
514 com_err("ext2_lookup", retval, "%s",
515 _("while looking up /lost+found"));
516 exit(1);
517 }
518
519 for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
520 /* Ensure that lost+found is at least 2 blocks, so we always
521 * test large empty blocks for big-block filesystems. */
522 if ((lpf_size += fs->blocksize) >= 16*1024 &&
523 lpf_size >= 2 * fs->blocksize)
524 break;
525 retval = ext2fs_expand_dir(fs, ino);
526 if (retval) {
527 com_err("ext2fs_expand_dir", retval, "%s",
528 _("while expanding /lost+found"));
529 exit(1);
530 }
531 }
532 }
533
534 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
535 {
536 errcode_t retval;
537
538 ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
539 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
540 retval = ext2fs_update_bb_inode(fs, bb_list);
541 if (retval) {
542 com_err("ext2fs_update_bb_inode", retval, "%s",
543 _("while setting bad block inode"));
544 exit(1);
545 }
546
547 }
548
549 static void reserve_inodes(ext2_filsys fs)
550 {
551 ext2_ino_t i;
552
553 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
554 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
555 ext2fs_mark_ib_dirty(fs);
556 }
557
558 #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
559 #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */
560 #define BSD_LABEL_OFFSET 64
561
562 static void zap_sector(ext2_filsys fs, int sect, int nsect)
563 {
564 char *buf;
565 int retval;
566 unsigned int *magic;
567
568 buf = calloc(512, nsect);
569 if (!buf) {
570 printf(_("Out of memory erasing sectors %d-%d\n"),
571 sect, sect + nsect - 1);
572 exit(1);
573 }
574
575 if (sect == 0) {
576 /* Check for a BSD disklabel, and don't erase it if so */
577 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
578 if (retval)
579 fprintf(stderr,
580 _("Warning: could not read block 0: %s\n"),
581 error_message(retval));
582 else {
583 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
584 if ((*magic == BSD_DISKMAGIC) ||
585 (*magic == BSD_MAGICDISK))
586 return;
587 }
588 }
589
590 memset(buf, 0, 512*nsect);
591 io_channel_set_blksize(fs->io, 512);
592 retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
593 io_channel_set_blksize(fs->io, fs->blocksize);
594 free(buf);
595 if (retval)
596 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
597 sect, error_message(retval));
598 }
599
600 static void create_journal_dev(ext2_filsys fs)
601 {
602 struct ext2fs_numeric_progress_struct progress;
603 errcode_t retval;
604 char *buf;
605 blk64_t blk, err_blk;
606 int c, count, err_count;
607
608 retval = ext2fs_create_journal_superblock(fs,
609 ext2fs_blocks_count(fs->super), 0, &buf);
610 if (retval) {
611 com_err("create_journal_dev", retval, "%s",
612 _("while initializing journal superblock"));
613 exit(1);
614 }
615
616 if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
617 goto write_superblock;
618
619 ext2fs_numeric_progress_init(fs, &progress,
620 _("Zeroing journal device: "),
621 ext2fs_blocks_count(fs->super));
622 blk = 0;
623 count = ext2fs_blocks_count(fs->super);
624 while (count > 0) {
625 if (count > 1024)
626 c = 1024;
627 else
628 c = count;
629 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
630 if (retval) {
631 com_err("create_journal_dev", retval,
632 _("while zeroing journal device "
633 "(block %llu, count %d)"),
634 err_blk, err_count);
635 exit(1);
636 }
637 blk += c;
638 count -= c;
639 ext2fs_numeric_progress_update(fs, &progress, blk);
640 }
641
642 ext2fs_numeric_progress_close(fs, &progress, NULL);
643 write_superblock:
644 retval = io_channel_write_blk64(fs->io,
645 fs->super->s_first_data_block+1,
646 1, buf);
647 (void) ext2fs_free_mem(&buf);
648 if (retval) {
649 com_err("create_journal_dev", retval, "%s",
650 _("while writing journal superblock"));
651 exit(1);
652 }
653 }
654
655 static void show_stats(ext2_filsys fs)
656 {
657 struct ext2_super_block *s = fs->super;
658 char *os;
659 blk64_t group_block;
660 dgrp_t i;
661 int need, col_left;
662
663 if (!verbose) {
664 printf(_("Creating filesystem with %llu %dk blocks and "
665 "%u inodes\n"),
666 ext2fs_blocks_count(s), fs->blocksize >> 10,
667 s->s_inodes_count);
668 goto skip_details;
669 }
670
671 if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
672 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
673 ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
674
675 printf(_("Filesystem label=%.*s\n"), EXT2_LEN_STR(s->s_volume_name));
676
677 os = e2p_os2string(fs->super->s_creator_os);
678 if (os)
679 printf(_("OS type: %s\n"), os);
680 free(os);
681 printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
682 s->s_log_block_size);
683 if (ext2fs_has_feature_bigalloc(fs->super))
684 printf(_("Cluster size=%u (log=%u)\n"),
685 fs->blocksize << fs->cluster_ratio_bits,
686 s->s_log_cluster_size);
687 else
688 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
689 s->s_log_cluster_size);
690 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
691 s->s_raid_stride, s->s_raid_stripe_width);
692 printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
693 ext2fs_blocks_count(s));
694 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
695 ext2fs_r_blocks_count(s),
696 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
697 printf(_("First data block=%u\n"), s->s_first_data_block);
698 if (root_uid != 0 || root_gid != 0)
699 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
700 if (s->s_reserved_gdt_blocks)
701 printf(_("Maximum filesystem blocks=%lu\n"),
702 (s->s_reserved_gdt_blocks + fs->desc_blocks) *
703 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
704 if (fs->group_desc_count > 1)
705 printf(_("%u block groups\n"), fs->group_desc_count);
706 else
707 printf(_("%u block group\n"), fs->group_desc_count);
708 if (ext2fs_has_feature_bigalloc(fs->super))
709 printf(_("%u blocks per group, %u clusters per group\n"),
710 s->s_blocks_per_group, s->s_clusters_per_group);
711 else
712 printf(_("%u blocks per group, %u fragments per group\n"),
713 s->s_blocks_per_group, s->s_clusters_per_group);
714 printf(_("%u inodes per group\n"), s->s_inodes_per_group);
715
716 skip_details:
717 if (fs->group_desc_count == 1) {
718 printf("\n");
719 return;
720 }
721
722 if (!e2p_is_null_uuid(s->s_uuid))
723 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
724 printf("%s", _("Superblock backups stored on blocks: "));
725 group_block = s->s_first_data_block;
726 col_left = 0;
727 for (i = 1; i < fs->group_desc_count; i++) {
728 group_block += s->s_blocks_per_group;
729 if (!ext2fs_bg_has_super(fs, i))
730 continue;
731 if (i != 1)
732 printf(", ");
733 need = int_log10(group_block) + 2;
734 if (need > col_left) {
735 printf("\n\t");
736 col_left = 72;
737 }
738 col_left -= need;
739 printf("%llu", group_block);
740 }
741 printf("\n\n");
742 }
743
744 /*
745 * Returns true if making a file system for the Hurd, else 0
746 */
747 static int for_hurd(const char *os)
748 {
749 if (!os) {
750 #ifdef __GNU__
751 return 1;
752 #else
753 return 0;
754 #endif
755 }
756 if (isdigit(*os))
757 return (atoi(os) == EXT2_OS_HURD);
758 return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
759 }
760
761 /*
762 * Set the S_CREATOR_OS field. Return true if OS is known,
763 * otherwise, 0.
764 */
765 static int set_os(struct ext2_super_block *sb, char *os)
766 {
767 if (isdigit (*os))
768 sb->s_creator_os = atoi (os);
769 else if (strcasecmp(os, "linux") == 0)
770 sb->s_creator_os = EXT2_OS_LINUX;
771 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
772 sb->s_creator_os = EXT2_OS_HURD;
773 else if (strcasecmp(os, "freebsd") == 0)
774 sb->s_creator_os = EXT2_OS_FREEBSD;
775 else if (strcasecmp(os, "lites") == 0)
776 sb->s_creator_os = EXT2_OS_LITES;
777 else
778 return 0;
779 return 1;
780 }
781
782 #define PATH_SET "PATH=/sbin"
783
784 static void parse_extended_opts(struct ext2_super_block *param,
785 const char *opts)
786 {
787 char *buf, *token, *next, *p, *arg, *badopt = 0;
788 int len;
789 int r_usage = 0;
790 int ret;
791 int encoding = -1;
792 char *encoding_flags = NULL;
793
794 len = strlen(opts);
795 buf = malloc(len+1);
796 if (!buf) {
797 fprintf(stderr, "%s",
798 _("Couldn't allocate memory to parse options!\n"));
799 exit(1);
800 }
801 strcpy(buf, opts);
802 for (token = buf; token && *token; token = next) {
803 p = strchr(token, ',');
804 next = 0;
805 if (p) {
806 *p = 0;
807 next = p+1;
808 }
809 arg = strchr(token, '=');
810 if (arg) {
811 *arg = 0;
812 arg++;
813 }
814 if (strcmp(token, "desc-size") == 0 ||
815 strcmp(token, "desc_size") == 0) {
816 int desc_size;
817
818 if (!ext2fs_has_feature_64bit(&fs_param)) {
819 fprintf(stderr,
820 _("%s requires '-O 64bit'\n"), token);
821 r_usage++;
822 continue;
823 }
824 if (param->s_reserved_gdt_blocks != 0) {
825 fprintf(stderr,
826 _("'%s' must be before 'resize=%u'\n"),
827 token, param->s_reserved_gdt_blocks);
828 r_usage++;
829 continue;
830 }
831 if (!arg) {
832 r_usage++;
833 badopt = token;
834 continue;
835 }
836 desc_size = strtoul(arg, &p, 0);
837 if (*p || (desc_size & (desc_size - 1))) {
838 fprintf(stderr,
839 _("Invalid desc_size: '%s'\n"), arg);
840 r_usage++;
841 continue;
842 }
843 param->s_desc_size = desc_size;
844 } else if (strcmp(token, "hash_seed") == 0) {
845 if (!arg) {
846 r_usage++;
847 badopt = token;
848 continue;
849 }
850 if (uuid_parse(arg,
851 (unsigned char *)param->s_hash_seed) != 0) {
852 fprintf(stderr,
853 _("Invalid hash seed: %s\n"), arg);
854 r_usage++;
855 continue;
856 }
857 } else if (strcmp(token, "offset") == 0) {
858 if (!arg) {
859 r_usage++;
860 badopt = token;
861 continue;
862 }
863 offset = strtoull(arg, &p, 0);
864 if (*p) {
865 fprintf(stderr, _("Invalid offset: %s\n"),
866 arg);
867 r_usage++;
868 continue;
869 }
870 } else if (strcmp(token, "mmp_update_interval") == 0) {
871 if (!arg) {
872 r_usage++;
873 badopt = token;
874 continue;
875 }
876 param->s_mmp_update_interval = strtoul(arg, &p, 0);
877 if (*p) {
878 fprintf(stderr,
879 _("Invalid mmp_update_interval: %s\n"),
880 arg);
881 r_usage++;
882 continue;
883 }
884 } else if (strcmp(token, "no_copy_xattrs") == 0) {
885 no_copy_xattrs = 1;
886 continue;
887 } else if (strcmp(token, "num_backup_sb") == 0) {
888 if (!arg) {
889 r_usage++;
890 badopt = token;
891 continue;
892 }
893 num_backups = strtoul(arg, &p, 0);
894 if (*p || num_backups > 2) {
895 fprintf(stderr,
896 _("Invalid # of backup "
897 "superblocks: %s\n"),
898 arg);
899 r_usage++;
900 continue;
901 }
902 } else if (strcmp(token, "packed_meta_blocks") == 0) {
903 if (arg)
904 packed_meta_blocks = strtoul(arg, &p, 0);
905 else
906 packed_meta_blocks = 1;
907 if (packed_meta_blocks)
908 journal_location = 0;
909 } else if (strcmp(token, "stride") == 0) {
910 if (!arg) {
911 r_usage++;
912 badopt = token;
913 continue;
914 }
915 param->s_raid_stride = strtoul(arg, &p, 0);
916 if (*p) {
917 fprintf(stderr,
918 _("Invalid stride parameter: %s\n"),
919 arg);
920 r_usage++;
921 continue;
922 }
923 } else if (strcmp(token, "stripe-width") == 0 ||
924 strcmp(token, "stripe_width") == 0) {
925 if (!arg) {
926 r_usage++;
927 badopt = token;
928 continue;
929 }
930 param->s_raid_stripe_width = strtoul(arg, &p, 0);
931 if (*p) {
932 fprintf(stderr,
933 _("Invalid stripe-width parameter: %s\n"),
934 arg);
935 r_usage++;
936 continue;
937 }
938 } else if (!strcmp(token, "resize")) {
939 blk64_t resize;
940 unsigned long bpg, rsv_groups;
941 unsigned long group_desc_count, desc_blocks;
942 unsigned int gdpb, blocksize;
943 int rsv_gdb;
944
945 if (!arg) {
946 r_usage++;
947 badopt = token;
948 continue;
949 }
950
951 resize = parse_num_blocks2(arg,
952 param->s_log_block_size);
953
954 if (resize == 0) {
955 fprintf(stderr,
956 _("Invalid resize parameter: %s\n"),
957 arg);
958 r_usage++;
959 continue;
960 }
961 if (resize <= ext2fs_blocks_count(param)) {
962 fprintf(stderr, "%s",
963 _("The resize maximum must be greater "
964 "than the filesystem size.\n"));
965 r_usage++;
966 continue;
967 }
968
969 blocksize = EXT2_BLOCK_SIZE(param);
970 bpg = param->s_blocks_per_group;
971 if (!bpg)
972 bpg = blocksize * 8;
973 gdpb = EXT2_DESC_PER_BLOCK(param);
974 group_desc_count = (__u32) ext2fs_div64_ceil(
975 ext2fs_blocks_count(param), bpg);
976 desc_blocks = (group_desc_count +
977 gdpb - 1) / gdpb;
978 rsv_groups = ext2fs_div64_ceil(resize, bpg);
979 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
980 desc_blocks;
981 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
982 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
983
984 if (rsv_gdb > 0) {
985 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
986 fprintf(stderr, "%s",
987 _("On-line resizing not supported with revision 0 filesystems\n"));
988 free(buf);
989 exit(1);
990 }
991 ext2fs_set_feature_resize_inode(param);
992
993 param->s_reserved_gdt_blocks = rsv_gdb;
994 }
995 } else if (!strcmp(token, "test_fs")) {
996 param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
997 } else if (!strcmp(token, "lazy_itable_init")) {
998 if (arg)
999 lazy_itable_init = strtoul(arg, &p, 0);
1000 else
1001 lazy_itable_init = 1;
1002 } else if (!strcmp(token, "lazy_journal_init")) {
1003 if (arg)
1004 journal_flags |= strtoul(arg, &p, 0) ?
1005 EXT2_MKJOURNAL_LAZYINIT : 0;
1006 else
1007 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
1008 } else if (!strcmp(token, "root_owner")) {
1009 if (arg) {
1010 root_uid = strtoul(arg, &p, 0);
1011 if (*p != ':') {
1012 fprintf(stderr,
1013 _("Invalid root_owner: '%s'\n"),
1014 arg);
1015 r_usage++;
1016 continue;
1017 }
1018 p++;
1019 root_gid = strtoul(p, &p, 0);
1020 if (*p) {
1021 fprintf(stderr,
1022 _("Invalid root_owner: '%s'\n"),
1023 arg);
1024 r_usage++;
1025 continue;
1026 }
1027 } else {
1028 root_uid = getuid();
1029 root_gid = getgid();
1030 }
1031 } else if (!strcmp(token, "discard")) {
1032 discard = 1;
1033 } else if (!strcmp(token, "nodiscard")) {
1034 discard = 0;
1035 } else if (!strcmp(token, "quotatype")) {
1036 char *errtok = NULL;
1037
1038 if (!arg) {
1039 r_usage++;
1040 badopt = token;
1041 continue;
1042 }
1043 quotatype_bits = 0;
1044 ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1045 if (ret) {
1046 if (errtok) {
1047 fprintf(stderr,
1048 "Failed to parse quota type at %s", errtok);
1049 free(errtok);
1050 } else
1051 com_err(program_name, ret,
1052 "while parsing quota type");
1053 r_usage++;
1054 badopt = token;
1055 continue;
1056 }
1057 } else if (!strcmp(token, "android_sparse")) {
1058 android_sparse_file = 1;
1059 } else if (!strcmp(token, "encoding")) {
1060 if (!arg) {
1061 r_usage++;
1062 continue;
1063 }
1064
1065 encoding = e2p_str2encoding(arg);
1066 if (encoding < 0) {
1067 fprintf(stderr, _("Invalid encoding: %s"), arg);
1068 r_usage++;
1069 continue;
1070 }
1071 param->s_encoding = encoding;
1072 ext2fs_set_feature_casefold(param);
1073 } else if (!strcmp(token, "encoding_flags")) {
1074 if (!arg) {
1075 r_usage++;
1076 continue;
1077 }
1078 encoding_flags = arg;
1079 } else {
1080 r_usage++;
1081 badopt = token;
1082 }
1083 }
1084 if (r_usage) {
1085 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1086 "Extended options are separated by commas, "
1087 "and may take an argument which\n"
1088 "\tis set off by an equals ('=') sign.\n\n"
1089 "Valid extended options are:\n"
1090 "\tmmp_update_interval=<interval>\n"
1091 "\tnum_backup_sb=<0|1|2>\n"
1092 "\tstride=<RAID per-disk data chunk in blocks>\n"
1093 "\tstripe-width=<RAID stride * data disks in blocks>\n"
1094 "\toffset=<offset to create the file system>\n"
1095 "\tresize=<resize maximum size in blocks>\n"
1096 "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1097 "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1098 "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1099 "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1100 "\ttest_fs\n"
1101 "\tdiscard\n"
1102 "\tnodiscard\n"
1103 "\tencoding=<encoding>\n"
1104 "\tencoding_flags=<flags>\n"
1105 "\tquotatype=<quota type(s) to be enabled>\n\n"),
1106 badopt ? badopt : "");
1107 free(buf);
1108 exit(1);
1109 }
1110 if (param->s_raid_stride &&
1111 (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1112 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1113 "multiple of stride %u.\n\n"),
1114 param->s_raid_stripe_width, param->s_raid_stride);
1115
1116 if (ext2fs_has_feature_casefold(param)) {
1117 param->s_encoding_flags =
1118 e2p_get_encoding_flags(param->s_encoding);
1119
1120 if (encoding_flags &&
1121 e2p_str2encoding_flags(param->s_encoding, encoding_flags,
1122 &param->s_encoding_flags)) {
1123 fprintf(stderr, _("error: Invalid encoding flag: %s\n"),
1124 encoding_flags);
1125 free(buf);
1126 exit(1);
1127 }
1128 } else if (encoding_flags) {
1129 fprintf(stderr, _("error: An encoding must be explicitly "
1130 "specified when passing encoding-flags\n"));
1131 free(buf);
1132 exit(1);
1133 }
1134
1135 free(buf);
1136 }
1137
1138 static __u32 ok_features[3] = {
1139 /* Compat */
1140 EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1141 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1142 EXT2_FEATURE_COMPAT_DIR_INDEX |
1143 EXT2_FEATURE_COMPAT_EXT_ATTR |
1144 EXT4_FEATURE_COMPAT_SPARSE_SUPER2 |
1145 EXT4_FEATURE_COMPAT_FAST_COMMIT |
1146 EXT4_FEATURE_COMPAT_STABLE_INODES,
1147 /* Incompat */
1148 EXT2_FEATURE_INCOMPAT_FILETYPE|
1149 EXT3_FEATURE_INCOMPAT_EXTENTS|
1150 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1151 EXT2_FEATURE_INCOMPAT_META_BG|
1152 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1153 EXT4_FEATURE_INCOMPAT_EA_INODE|
1154 EXT4_FEATURE_INCOMPAT_MMP |
1155 EXT4_FEATURE_INCOMPAT_64BIT|
1156 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1157 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1158 EXT4_FEATURE_INCOMPAT_CASEFOLD |
1159 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1160 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1161 /* R/O compat */
1162 EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1163 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1164 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1165 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1166 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1167 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1168 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1169 EXT4_FEATURE_RO_COMPAT_QUOTA|
1170 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1171 EXT4_FEATURE_RO_COMPAT_PROJECT|
1172 EXT4_FEATURE_RO_COMPAT_VERITY
1173 };
1174
1175
1176 static void syntax_err_report(const char *filename, long err, int line_num)
1177 {
1178 fprintf(stderr,
1179 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1180 filename, line_num, error_message(err));
1181 exit(1);
1182 }
1183
1184 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1185
1186 static void edit_feature(const char *str, __u32 *compat_array)
1187 {
1188 if (!str)
1189 return;
1190
1191 if (e2p_edit_feature(str, compat_array, ok_features)) {
1192 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1193 str);
1194 exit(1);
1195 }
1196 }
1197
1198 static void edit_mntopts(const char *str, __u32 *mntopts)
1199 {
1200 if (!str)
1201 return;
1202
1203 if (e2p_edit_mntopts(str, mntopts, ~0)) {
1204 fprintf(stderr, _("Invalid mount option set: %s\n"),
1205 str);
1206 exit(1);
1207 }
1208 }
1209
1210 struct str_list {
1211 char **list;
1212 int num;
1213 int max;
1214 };
1215
1216 static errcode_t init_list(struct str_list *sl)
1217 {
1218 sl->num = 0;
1219 sl->max = 1;
1220 sl->list = malloc((sl->max+1) * sizeof(char *));
1221 if (!sl->list)
1222 return ENOMEM;
1223 sl->list[0] = 0;
1224 return 0;
1225 }
1226
1227 static errcode_t push_string(struct str_list *sl, const char *str)
1228 {
1229 char **new_list;
1230
1231 if (sl->num >= sl->max) {
1232 sl->max += 2;
1233 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1234 if (!new_list)
1235 return ENOMEM;
1236 sl->list = new_list;
1237 }
1238 sl->list[sl->num] = malloc(strlen(str)+1);
1239 if (sl->list[sl->num] == 0)
1240 return ENOMEM;
1241 strcpy(sl->list[sl->num], str);
1242 sl->num++;
1243 sl->list[sl->num] = 0;
1244 return 0;
1245 }
1246
1247 static void print_str_list(char **list)
1248 {
1249 char **cpp;
1250
1251 for (cpp = list; *cpp; cpp++) {
1252 printf("'%s'", *cpp);
1253 if (cpp[1])
1254 fputs(", ", stdout);
1255 }
1256 fputc('\n', stdout);
1257 }
1258
1259 /*
1260 * Return TRUE if the profile has the given subsection
1261 */
1262 static int profile_has_subsection(profile_t prof, const char *section,
1263 const char *subsection)
1264 {
1265 void *state;
1266 const char *names[4];
1267 char *name;
1268 int ret = 0;
1269
1270 names[0] = section;
1271 names[1] = subsection;
1272 names[2] = 0;
1273
1274 if (profile_iterator_create(prof, names,
1275 PROFILE_ITER_LIST_SECTION |
1276 PROFILE_ITER_RELATIONS_ONLY, &state))
1277 return 0;
1278
1279 if ((profile_iterator(&state, &name, 0) == 0) && name) {
1280 free(name);
1281 ret = 1;
1282 }
1283
1284 profile_iterator_free(&state);
1285 return ret;
1286 }
1287
1288 static char **parse_fs_type(const char *fs_type,
1289 const char *usage_types,
1290 struct ext2_super_block *sb,
1291 blk64_t fs_blocks_count,
1292 char *progname)
1293 {
1294 const char *ext_type = 0;
1295 char *parse_str;
1296 char *profile_type = 0;
1297 char *cp, *t;
1298 const char *size_type;
1299 struct str_list list;
1300 unsigned long long meg;
1301 int is_hurd = for_hurd(creator_os);
1302
1303 if (init_list(&list))
1304 return 0;
1305
1306 if (fs_type)
1307 ext_type = fs_type;
1308 else if (is_hurd)
1309 ext_type = "ext2";
1310 else if (!strcmp(program_name, "mke3fs"))
1311 ext_type = "ext3";
1312 else if (!strcmp(program_name, "mke4fs"))
1313 ext_type = "ext4";
1314 else if (progname) {
1315 ext_type = strrchr(progname, '/');
1316 if (ext_type)
1317 ext_type++;
1318 else
1319 ext_type = progname;
1320
1321 if (!strncmp(ext_type, "mkfs.", 5)) {
1322 ext_type += 5;
1323 if (ext_type[0] == 0)
1324 ext_type = 0;
1325 } else
1326 ext_type = 0;
1327 }
1328
1329 if (!ext_type) {
1330 profile_get_string(profile, "defaults", "fs_type", 0,
1331 "ext2", &profile_type);
1332 ext_type = profile_type;
1333 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1334 ext_type = "ext3";
1335 }
1336
1337
1338 if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1339 strcmp(ext_type, "ext2")) {
1340 printf(_("\nYour mke2fs.conf file does not define the "
1341 "%s filesystem type.\n"), ext_type);
1342 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1343 !strcmp(ext_type, "ext4dev")) {
1344 printf("%s", _("You probably need to install an "
1345 "updated mke2fs.conf file.\n\n"));
1346 }
1347 if (!force) {
1348 printf("%s", _("Aborting...\n"));
1349 exit(1);
1350 }
1351 }
1352
1353 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1354 if (fs_blocks_count < 3 * meg)
1355 size_type = "floppy";
1356 else if (fs_blocks_count < 512 * meg)
1357 size_type = "small";
1358 else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1359 size_type = "default";
1360 else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1361 size_type = "big";
1362 else
1363 size_type = "huge";
1364
1365 if (!usage_types)
1366 usage_types = size_type;
1367
1368 parse_str = malloc(strlen(usage_types)+1);
1369 if (!parse_str) {
1370 free(profile_type);
1371 free(list.list);
1372 return 0;
1373 }
1374 strcpy(parse_str, usage_types);
1375
1376 if (ext_type)
1377 push_string(&list, ext_type);
1378 cp = parse_str;
1379 while (1) {
1380 t = strchr(cp, ',');
1381 if (t)
1382 *t = '\0';
1383
1384 if (*cp) {
1385 if (profile_has_subsection(profile, "fs_types", cp))
1386 push_string(&list, cp);
1387 else if (strcmp(cp, "default") != 0)
1388 fprintf(stderr,
1389 _("\nWarning: the fs_type %s is not "
1390 "defined in mke2fs.conf\n\n"),
1391 cp);
1392 }
1393 if (t)
1394 cp = t+1;
1395 else
1396 break;
1397 }
1398 free(parse_str);
1399 free(profile_type);
1400 if (is_hurd)
1401 push_string(&list, "hurd");
1402 return (list.list);
1403 }
1404
1405 char *get_string_from_profile(char **types, const char *opt,
1406 const char *def_val)
1407 {
1408 char *ret = 0;
1409 int i;
1410
1411 for (i=0; types[i]; i++);
1412 for (i-=1; i >=0 ; i--) {
1413 profile_get_string(profile, "fs_types", types[i],
1414 opt, 0, &ret);
1415 if (ret)
1416 return ret;
1417 }
1418 profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1419 return (ret);
1420 }
1421
1422 int get_int_from_profile(char **types, const char *opt, int def_val)
1423 {
1424 int ret;
1425 char **cpp;
1426
1427 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1428 for (cpp = types; *cpp; cpp++)
1429 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1430 return ret;
1431 }
1432
1433 static unsigned int get_uint_from_profile(char **types, const char *opt,
1434 unsigned int def_val)
1435 {
1436 unsigned int ret;
1437 char **cpp;
1438
1439 profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1440 for (cpp = types; *cpp; cpp++)
1441 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1442 return ret;
1443 }
1444
1445 static double get_double_from_profile(char **types, const char *opt,
1446 double def_val)
1447 {
1448 double ret;
1449 char **cpp;
1450
1451 profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1452 for (cpp = types; *cpp; cpp++)
1453 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1454 return ret;
1455 }
1456
1457 int get_bool_from_profile(char **types, const char *opt, int def_val)
1458 {
1459 int ret;
1460 char **cpp;
1461
1462 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1463 for (cpp = types; *cpp; cpp++)
1464 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1465 return ret;
1466 }
1467
1468 extern const char *mke2fs_default_profile;
1469 static const char *default_files[] = { "<default>", 0 };
1470
1471 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1472 /*
1473 * Sets the geometry of a device (stripe/stride), and returns the
1474 * device's alignment offset, if any, or a negative error.
1475 */
1476 static int get_device_geometry(const char *file,
1477 struct ext2_super_block *param,
1478 unsigned int psector_size)
1479 {
1480 int rc = -1;
1481 unsigned int blocksize;
1482 blkid_probe pr;
1483 blkid_topology tp;
1484 unsigned long min_io;
1485 unsigned long opt_io;
1486 struct stat statbuf;
1487
1488 /* Nothing to do for a regular file */
1489 if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1490 return 0;
1491
1492 pr = blkid_new_probe_from_filename(file);
1493 if (!pr)
1494 goto out;
1495
1496 tp = blkid_probe_get_topology(pr);
1497 if (!tp)
1498 goto out;
1499
1500 min_io = blkid_topology_get_minimum_io_size(tp);
1501 opt_io = blkid_topology_get_optimal_io_size(tp);
1502 blocksize = EXT2_BLOCK_SIZE(param);
1503 if ((min_io == 0) && (psector_size > blocksize))
1504 min_io = psector_size;
1505 if ((opt_io == 0) && min_io)
1506 opt_io = min_io;
1507 if ((opt_io == 0) && (psector_size > blocksize))
1508 opt_io = psector_size;
1509
1510 /* setting stripe/stride to blocksize is pointless */
1511 if (min_io > blocksize)
1512 param->s_raid_stride = min_io / blocksize;
1513 if (opt_io > blocksize)
1514 param->s_raid_stripe_width = opt_io / blocksize;
1515
1516 rc = blkid_topology_get_alignment_offset(tp);
1517 out:
1518 blkid_free_probe(pr);
1519 return rc;
1520 }
1521 #endif
1522
1523 static void PRS(int argc, char *argv[])
1524 {
1525 int b, c, flags;
1526 int cluster_size = 0;
1527 char *tmp, **cpp;
1528 int explicit_fssize = 0;
1529 int blocksize = 0;
1530 int inode_ratio = 0;
1531 int inode_size = 0;
1532 unsigned long flex_bg_size = 0;
1533 double reserved_ratio = -1.0;
1534 int lsector_size = 0, psector_size = 0;
1535 int show_version_only = 0, is_device = 0;
1536 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1537 errcode_t retval;
1538 char * oldpath = getenv("PATH");
1539 char * extended_opts = 0;
1540 char * fs_type = 0;
1541 char * usage_types = 0;
1542 /*
1543 * NOTE: A few words about fs_blocks_count and blocksize:
1544 *
1545 * Initially, blocksize is set to zero, which implies 1024.
1546 * If -b is specified, blocksize is updated to the user's value.
1547 *
1548 * Next, the device size or the user's "blocks" command line argument
1549 * is used to set fs_blocks_count; the units are blocksize.
1550 *
1551 * Later, if blocksize hasn't been set and the profile specifies a
1552 * blocksize, then blocksize is updated and fs_blocks_count is scaled
1553 * appropriately. Note the change in units!
1554 *
1555 * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1556 */
1557 blk64_t fs_blocks_count = 0;
1558 long sysval;
1559 int s_opt = -1, r_opt = -1;
1560 char *fs_features = 0;
1561 int fs_features_size = 0;
1562 int use_bsize;
1563 char *newpath;
1564 int pathlen = sizeof(PATH_SET) + 1;
1565
1566 if (oldpath)
1567 pathlen += strlen(oldpath);
1568 newpath = malloc(pathlen);
1569 if (!newpath) {
1570 fprintf(stderr, "%s",
1571 _("Couldn't allocate memory for new PATH.\n"));
1572 exit(1);
1573 }
1574 strcpy(newpath, PATH_SET);
1575
1576 /* Update our PATH to include /sbin */
1577 if (oldpath) {
1578 strcat (newpath, ":");
1579 strcat (newpath, oldpath);
1580 }
1581 putenv (newpath);
1582
1583 /* Determine the system page size if possible */
1584 #ifdef HAVE_SYSCONF
1585 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1586 #define _SC_PAGESIZE _SC_PAGE_SIZE
1587 #endif
1588 #ifdef _SC_PAGESIZE
1589 sysval = sysconf(_SC_PAGESIZE);
1590 if (sysval > 0)
1591 sys_page_size = sysval;
1592 #endif /* _SC_PAGESIZE */
1593 #endif /* HAVE_SYSCONF */
1594
1595 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1596 config_fn[0] = tmp;
1597 profile_set_syntax_err_cb(syntax_err_report);
1598 retval = profile_init(config_fn, &profile);
1599 if (retval == ENOENT) {
1600 retval = profile_init(default_files, &profile);
1601 if (retval)
1602 goto profile_error;
1603 retval = profile_set_default(profile, mke2fs_default_profile);
1604 if (retval)
1605 goto profile_error;
1606 } else if (retval) {
1607 profile_error:
1608 fprintf(stderr, _("Couldn't init profile successfully"
1609 " (error: %ld).\n"), retval);
1610 exit(1);
1611 }
1612
1613 setbuf(stdout, NULL);
1614 setbuf(stderr, NULL);
1615 add_error_table(&et_ext2_error_table);
1616 add_error_table(&et_prof_error_table);
1617 memset(&fs_param, 0, sizeof(struct ext2_super_block));
1618 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */
1619
1620 if (is_before_linux_ver(2, 2, 0))
1621 fs_param.s_rev_level = 0;
1622
1623 if (argc && *argv) {
1624 program_name = get_progname(*argv);
1625
1626 /* If called as mkfs.ext3, create a journal inode */
1627 if (!strcmp(program_name, "mkfs.ext3") ||
1628 !strcmp(program_name, "mke3fs"))
1629 journal_size = -1;
1630 }
1631
1632 while ((c = getopt (argc, argv,
1633 "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) {
1634 switch (c) {
1635 case 'b':
1636 blocksize = parse_num_blocks2(optarg, -1);
1637 b = (blocksize > 0) ? blocksize : -blocksize;
1638 if (b < EXT2_MIN_BLOCK_SIZE ||
1639 b > EXT2_MAX_BLOCK_SIZE) {
1640 com_err(program_name, 0,
1641 _("invalid block size - %s"), optarg);
1642 exit(1);
1643 }
1644 if (blocksize > 4096)
1645 fprintf(stderr, _("Warning: blocksize %d not "
1646 "usable on most systems.\n"),
1647 blocksize);
1648 if (blocksize > 0)
1649 fs_param.s_log_block_size =
1650 int_log2(blocksize >>
1651 EXT2_MIN_BLOCK_LOG_SIZE);
1652 break;
1653 case 'c': /* Check for bad blocks */
1654 cflag++;
1655 break;
1656 case 'C':
1657 cluster_size = parse_num_blocks2(optarg, -1);
1658 if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1659 cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1660 com_err(program_name, 0,
1661 _("invalid cluster size - %s"),
1662 optarg);
1663 exit(1);
1664 }
1665 break;
1666 case 'd':
1667 src_root_dir = optarg;
1668 break;
1669 case 'D':
1670 direct_io = 1;
1671 break;
1672 case 'R':
1673 com_err(program_name, 0, "%s",
1674 _("'-R' is deprecated, use '-E' instead"));
1675 /* fallthrough */
1676 case 'E':
1677 extended_opts = optarg;
1678 break;
1679 case 'e':
1680 if (strcmp(optarg, "continue") == 0)
1681 errors_behavior = EXT2_ERRORS_CONTINUE;
1682 else if (strcmp(optarg, "remount-ro") == 0)
1683 errors_behavior = EXT2_ERRORS_RO;
1684 else if (strcmp(optarg, "panic") == 0)
1685 errors_behavior = EXT2_ERRORS_PANIC;
1686 else {
1687 com_err(program_name, 0,
1688 _("bad error behavior - %s"),
1689 optarg);
1690 usage();
1691 }
1692 break;
1693 case 'F':
1694 force++;
1695 break;
1696 case 'g':
1697 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1698 if (*tmp) {
1699 com_err(program_name, 0, "%s",
1700 _("Illegal number for blocks per group"));
1701 exit(1);
1702 }
1703 if ((fs_param.s_blocks_per_group % 8) != 0) {
1704 com_err(program_name, 0, "%s",
1705 _("blocks per group must be multiple of 8"));
1706 exit(1);
1707 }
1708 break;
1709 case 'G':
1710 flex_bg_size = strtoul(optarg, &tmp, 0);
1711 if (*tmp) {
1712 com_err(program_name, 0, "%s",
1713 _("Illegal number for flex_bg size"));
1714 exit(1);
1715 }
1716 if (flex_bg_size < 1 ||
1717 (flex_bg_size & (flex_bg_size-1)) != 0) {
1718 com_err(program_name, 0, "%s",
1719 _("flex_bg size must be a power of 2"));
1720 exit(1);
1721 }
1722 if (flex_bg_size > MAX_32_NUM) {
1723 com_err(program_name, 0,
1724 _("flex_bg size (%lu) must be less than"
1725 " or equal to 2^31"), flex_bg_size);
1726 exit(1);
1727 }
1728 break;
1729 case 'i':
1730 inode_ratio = parse_num_blocks(optarg, -1);
1731 if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1732 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1733 com_err(program_name, 0,
1734 _("invalid inode ratio %s (min %d/max %d)"),
1735 optarg, EXT2_MIN_BLOCK_SIZE,
1736 EXT2_MAX_BLOCK_SIZE * 1024);
1737 exit(1);
1738 }
1739 break;
1740 case 'I':
1741 inode_size = strtoul(optarg, &tmp, 0);
1742 if (*tmp) {
1743 com_err(program_name, 0,
1744 _("invalid inode size - %s"), optarg);
1745 exit(1);
1746 }
1747 break;
1748 case 'j':
1749 if (!journal_size)
1750 journal_size = -1;
1751 break;
1752 case 'J':
1753 parse_journal_opts(optarg);
1754 break;
1755 case 'K':
1756 fprintf(stderr, "%s",
1757 _("Warning: -K option is deprecated and "
1758 "should not be used anymore. Use "
1759 "\'-E nodiscard\' extended option "
1760 "instead!\n"));
1761 discard = 0;
1762 break;
1763 case 'l':
1764 bad_blocks_filename = realloc(bad_blocks_filename,
1765 strlen(optarg) + 1);
1766 if (!bad_blocks_filename) {
1767 com_err(program_name, ENOMEM, "%s",
1768 _("in malloc for bad_blocks_filename"));
1769 exit(1);
1770 }
1771 strcpy(bad_blocks_filename, optarg);
1772 break;
1773 case 'L':
1774 volume_label = optarg;
1775 if (strlen(volume_label) > EXT2_LABEL_LEN) {
1776 volume_label[EXT2_LABEL_LEN] = '\0';
1777 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1778 volume_label);
1779 }
1780 break;
1781 case 'm':
1782 reserved_ratio = strtod(optarg, &tmp);
1783 if ( *tmp || reserved_ratio > 50 ||
1784 reserved_ratio < 0) {
1785 com_err(program_name, 0,
1786 _("invalid reserved blocks percent - %s"),
1787 optarg);
1788 exit(1);
1789 }
1790 break;
1791 case 'M':
1792 mount_dir = optarg;
1793 break;
1794 case 'n':
1795 noaction++;
1796 break;
1797 case 'N':
1798 num_inodes = strtoul(optarg, &tmp, 0);
1799 if (*tmp) {
1800 com_err(program_name, 0,
1801 _("bad num inodes - %s"), optarg);
1802 exit(1);
1803 }
1804 break;
1805 case 'o':
1806 creator_os = optarg;
1807 break;
1808 case 'O':
1809 retval = ext2fs_resize_mem(fs_features_size,
1810 fs_features_size + 1 + strlen(optarg),
1811 &fs_features);
1812 if (retval) {
1813 com_err(program_name, retval,
1814 _("while allocating fs_feature string"));
1815 exit(1);
1816 }
1817 if (fs_features_size)
1818 strcat(fs_features, ",");
1819 else
1820 fs_features[0] = 0;
1821 strcat(fs_features, optarg);
1822 fs_features_size += 1 + strlen(optarg);
1823 break;
1824 case 'q':
1825 quiet = 1;
1826 break;
1827 case 'r':
1828 r_opt = strtoul(optarg, &tmp, 0);
1829 if (*tmp) {
1830 com_err(program_name, 0,
1831 _("bad revision level - %s"), optarg);
1832 exit(1);
1833 }
1834 if (r_opt > EXT2_MAX_SUPP_REV) {
1835 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1836 _("while trying to create revision %d"), r_opt);
1837 exit(1);
1838 }
1839 fs_param.s_rev_level = r_opt;
1840 break;
1841 case 's': /* deprecated */
1842 s_opt = atoi(optarg);
1843 break;
1844 case 'S':
1845 super_only = 1;
1846 break;
1847 case 't':
1848 if (fs_type) {
1849 com_err(program_name, 0, "%s",
1850 _("The -t option may only be used once"));
1851 exit(1);
1852 }
1853 fs_type = strdup(optarg);
1854 break;
1855 case 'T':
1856 if (usage_types) {
1857 com_err(program_name, 0, "%s",
1858 _("The -T option may only be used once"));
1859 exit(1);
1860 }
1861 usage_types = strdup(optarg);
1862 break;
1863 case 'U':
1864 fs_uuid = optarg;
1865 break;
1866 case 'v':
1867 verbose = 1;
1868 break;
1869 case 'V':
1870 /* Print version number and exit */
1871 show_version_only++;
1872 break;
1873 case 'z':
1874 undo_file = optarg;
1875 break;
1876 default:
1877 usage();
1878 }
1879 }
1880 if ((optind == argc) && !show_version_only)
1881 usage();
1882 device_name = argv[optind++];
1883
1884 if (!quiet || show_version_only)
1885 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1886 E2FSPROGS_DATE);
1887
1888 if (show_version_only) {
1889 fprintf(stderr, _("\tUsing %s\n"),
1890 error_message(EXT2_ET_BASE));
1891 exit(0);
1892 }
1893
1894 /*
1895 * If there's no blocksize specified and there is a journal
1896 * device, use it to figure out the blocksize
1897 */
1898 if (blocksize <= 0 && journal_device) {
1899 ext2_filsys jfs;
1900 io_manager io_ptr;
1901
1902 #ifdef CONFIG_TESTIO_DEBUG
1903 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1904 io_ptr = test_io_manager;
1905 test_io_backing_manager = unix_io_manager;
1906 } else
1907 #endif
1908 io_ptr = unix_io_manager;
1909 retval = ext2fs_open(journal_device,
1910 EXT2_FLAG_JOURNAL_DEV_OK, 0,
1911 0, io_ptr, &jfs);
1912 if (retval) {
1913 com_err(program_name, retval,
1914 _("while trying to open journal device %s\n"),
1915 journal_device);
1916 exit(1);
1917 }
1918 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1919 com_err(program_name, 0,
1920 _("Journal dev blocksize (%d) smaller than "
1921 "minimum blocksize %d\n"), jfs->blocksize,
1922 -blocksize);
1923 exit(1);
1924 }
1925 blocksize = jfs->blocksize;
1926 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1927 fs_param.s_log_block_size =
1928 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1929 ext2fs_close_free(&jfs);
1930 }
1931
1932 if (optind < argc) {
1933 fs_blocks_count = parse_num_blocks2(argv[optind++],
1934 fs_param.s_log_block_size);
1935 if (!fs_blocks_count) {
1936 com_err(program_name, 0,
1937 _("invalid blocks '%s' on device '%s'"),
1938 argv[optind - 1], device_name);
1939 exit(1);
1940 }
1941 }
1942 if (optind < argc)
1943 usage();
1944
1945 profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1946 &sync_kludge);
1947 tmp = getenv("MKE2FS_SYNC");
1948 if (tmp)
1949 sync_kludge = atoi(tmp);
1950
1951 profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1952 &proceed_delay);
1953
1954 /* The isatty() test is so we don't break existing scripts */
1955 flags = CREATE_FILE;
1956 if (isatty(0) && isatty(1) && !offset)
1957 flags |= CHECK_FS_EXIST;
1958 if (!quiet)
1959 flags |= VERBOSE_CREATE;
1960 if (fs_blocks_count == 0)
1961 flags |= NO_SIZE;
1962 else
1963 explicit_fssize = 1;
1964 if (!check_plausibility(device_name, flags, &is_device) && !force)
1965 proceed_question(proceed_delay);
1966
1967 check_mount(device_name, force, _("filesystem"));
1968
1969 /* Determine the size of the device (if possible) */
1970 if (noaction && fs_blocks_count) {
1971 dev_size = fs_blocks_count;
1972 retval = 0;
1973 } else
1974 #ifndef _WIN32
1975 retval = ext2fs_get_device_size2(device_name,
1976 EXT2_BLOCK_SIZE(&fs_param),
1977 &dev_size);
1978 #else
1979 retval = ext2fs_get_device_size(device_name,
1980 EXT2_BLOCK_SIZE(&fs_param),
1981 &dev_size);
1982 #endif
1983 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1984 com_err(program_name, retval, "%s",
1985 _("while trying to determine filesystem size"));
1986 exit(1);
1987 }
1988 if (!fs_blocks_count) {
1989 if (retval == EXT2_ET_UNIMPLEMENTED) {
1990 com_err(program_name, 0, "%s",
1991 _("Couldn't determine device size; you "
1992 "must specify\nthe size of the "
1993 "filesystem\n"));
1994 exit(1);
1995 } else {
1996 if (dev_size == 0) {
1997 com_err(program_name, 0, "%s",
1998 _("Device size reported to be zero. "
1999 "Invalid partition specified, or\n\t"
2000 "partition table wasn't reread "
2001 "after running fdisk, due to\n\t"
2002 "a modified partition being busy "
2003 "and in use. You may need to reboot\n\t"
2004 "to re-read your partition table.\n"
2005 ));
2006 exit(1);
2007 }
2008 fs_blocks_count = dev_size;
2009 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
2010 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
2011 EXT2_BLOCK_SIZE(&fs_param))-1));
2012 }
2013 } else if (!force && is_device && (fs_blocks_count > dev_size)) {
2014 com_err(program_name, 0, "%s",
2015 _("Filesystem larger than apparent device size."));
2016 proceed_question(proceed_delay);
2017 }
2018
2019 if (!fs_type)
2020 profile_get_string(profile, "devices", device_name,
2021 "fs_type", 0, &fs_type);
2022 if (!usage_types)
2023 profile_get_string(profile, "devices", device_name,
2024 "usage_types", 0, &usage_types);
2025
2026 /*
2027 * We have the file system (or device) size, so we can now
2028 * determine the appropriate file system types so the fs can
2029 * be appropriately configured.
2030 */
2031 fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
2032 fs_blocks_count ? fs_blocks_count : dev_size,
2033 argv[0]);
2034 if (!fs_types) {
2035 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
2036 exit(1);
2037 }
2038
2039 /* Figure out what features should be enabled */
2040
2041 tmp = NULL;
2042 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
2043 tmp = get_string_from_profile(fs_types, "base_features",
2044 "sparse_super,large_file,filetype,resize_inode,dir_index");
2045 edit_feature(tmp, &fs_param.s_feature_compat);
2046 free(tmp);
2047
2048 /* And which mount options as well */
2049 tmp = get_string_from_profile(fs_types, "default_mntopts",
2050 "acl,user_xattr");
2051 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
2052 if (tmp)
2053 free(tmp);
2054
2055 for (cpp = fs_types; *cpp; cpp++) {
2056 tmp = NULL;
2057 profile_get_string(profile, "fs_types", *cpp,
2058 "features", "", &tmp);
2059 if (tmp && *tmp)
2060 edit_feature(tmp, &fs_param.s_feature_compat);
2061 if (tmp)
2062 free(tmp);
2063 }
2064 tmp = get_string_from_profile(fs_types, "default_features",
2065 "");
2066 }
2067 /* Mask off features which aren't supported by the Hurd */
2068 if (for_hurd(creator_os)) {
2069 ext2fs_clear_feature_filetype(&fs_param);
2070 ext2fs_clear_feature_huge_file(&fs_param);
2071 ext2fs_clear_feature_metadata_csum(&fs_param);
2072 ext2fs_clear_feature_ea_inode(&fs_param);
2073 ext2fs_clear_feature_casefold(&fs_param);
2074 }
2075 edit_feature(fs_features ? fs_features : tmp,
2076 &fs_param.s_feature_compat);
2077 if (tmp)
2078 free(tmp);
2079 (void) ext2fs_free_mem(&fs_features);
2080 /*
2081 * If the user specified features incompatible with the Hurd, complain
2082 */
2083 if (for_hurd(creator_os)) {
2084 if (ext2fs_has_feature_filetype(&fs_param)) {
2085 fprintf(stderr, "%s", _("The HURD does not support the "
2086 "filetype feature.\n"));
2087 exit(1);
2088 }
2089 if (ext2fs_has_feature_huge_file(&fs_param)) {
2090 fprintf(stderr, "%s", _("The HURD does not support the "
2091 "huge_file feature.\n"));
2092 exit(1);
2093 }
2094 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2095 fprintf(stderr, "%s", _("The HURD does not support the "
2096 "metadata_csum feature.\n"));
2097 exit(1);
2098 }
2099 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2100 fprintf(stderr, "%s", _("The HURD does not support the "
2101 "ea_inode feature.\n"));
2102 exit(1);
2103 }
2104 }
2105
2106 /* Get the hardware sector sizes, if available */
2107 retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2108 if (retval) {
2109 com_err(program_name, retval, "%s",
2110 _("while trying to determine hardware sector size"));
2111 exit(1);
2112 }
2113 retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2114 if (retval) {
2115 com_err(program_name, retval, "%s",
2116 _("while trying to determine physical sector size"));
2117 exit(1);
2118 }
2119
2120 tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2121 if (tmp != NULL)
2122 lsector_size = atoi(tmp);
2123 tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2124 if (tmp != NULL)
2125 psector_size = atoi(tmp);
2126
2127 /* Older kernels may not have physical/logical distinction */
2128 if (!psector_size)
2129 psector_size = lsector_size;
2130
2131 if (blocksize <= 0) {
2132 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2133
2134 if (use_bsize == -1) {
2135 use_bsize = sys_page_size;
2136 if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2137 use_bsize = 4096;
2138 }
2139 if (lsector_size && use_bsize < lsector_size)
2140 use_bsize = lsector_size;
2141 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2142 use_bsize = -blocksize;
2143 blocksize = use_bsize;
2144 fs_blocks_count /= (blocksize / 1024);
2145 } else {
2146 if (blocksize < lsector_size) { /* Impossible */
2147 com_err(program_name, EINVAL, "%s",
2148 _("while setting blocksize; too small "
2149 "for device\n"));
2150 exit(1);
2151 } else if ((blocksize < psector_size) &&
2152 (psector_size <= sys_page_size)) { /* Suboptimal */
2153 fprintf(stderr, _("Warning: specified blocksize %d is "
2154 "less than device physical sectorsize %d\n"),
2155 blocksize, psector_size);
2156 }
2157 }
2158
2159 fs_param.s_log_block_size =
2160 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2161
2162 /*
2163 * We now need to do a sanity check of fs_blocks_count for
2164 * 32-bit vs 64-bit block number support.
2165 */
2166 if ((fs_blocks_count > MAX_32_NUM) &&
2167 ext2fs_has_feature_64bit(&fs_param))
2168 ext2fs_clear_feature_resize_inode(&fs_param);
2169 if ((fs_blocks_count > MAX_32_NUM) &&
2170 !ext2fs_has_feature_64bit(&fs_param) &&
2171 get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2172 ext2fs_set_feature_64bit(&fs_param);
2173 ext2fs_clear_feature_resize_inode(&fs_param);
2174 }
2175 if ((fs_blocks_count > MAX_32_NUM) &&
2176 !ext2fs_has_feature_64bit(&fs_param)) {
2177 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2178 "too big to be expressed\n\t"
2179 "in 32 bits using a blocksize of %d.\n"),
2180 program_name, fs_blocks_count, device_name,
2181 EXT2_BLOCK_SIZE(&fs_param));
2182 exit(1);
2183 }
2184 /*
2185 * Guard against group descriptor count overflowing... Mostly to avoid
2186 * strange results for absurdly large devices. This is in log2:
2187 * (blocksize) * (bits per byte) * (maximum number of block groups)
2188 */
2189 if (fs_blocks_count >
2190 (1ULL << (EXT2_BLOCK_SIZE_BITS(&fs_param) + 3 + 32)) - 1) {
2191 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2192 "too big to create\n\t"
2193 "a filesystem using a blocksize of %d.\n"),
2194 program_name, fs_blocks_count, device_name,
2195 EXT2_BLOCK_SIZE(&fs_param));
2196 exit(1);
2197 }
2198
2199 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2200
2201 if (ext2fs_has_feature_journal_dev(&fs_param)) {
2202 int i;
2203
2204 for (i=0; fs_types[i]; i++) {
2205 free(fs_types[i]);
2206 fs_types[i] = 0;
2207 }
2208 fs_types[0] = strdup("journal");
2209 fs_types[1] = 0;
2210 }
2211
2212 if (verbose) {
2213 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2214 print_str_list(fs_types);
2215 }
2216
2217 if (r_opt == EXT2_GOOD_OLD_REV &&
2218 (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2219 fs_param.s_feature_ro_compat)) {
2220 fprintf(stderr, "%s", _("Filesystem features not supported "
2221 "with revision 0 filesystems\n"));
2222 exit(1);
2223 }
2224
2225 if (s_opt > 0) {
2226 if (r_opt == EXT2_GOOD_OLD_REV) {
2227 fprintf(stderr, "%s",
2228 _("Sparse superblocks not supported "
2229 "with revision 0 filesystems\n"));
2230 exit(1);
2231 }
2232 ext2fs_set_feature_sparse_super(&fs_param);
2233 } else if (s_opt == 0)
2234 ext2fs_clear_feature_sparse_super(&fs_param);
2235
2236 if (journal_size != 0) {
2237 if (r_opt == EXT2_GOOD_OLD_REV) {
2238 fprintf(stderr, "%s", _("Journals not supported with "
2239 "revision 0 filesystems\n"));
2240 exit(1);
2241 }
2242 ext2fs_set_feature_journal(&fs_param);
2243 }
2244
2245 /* Get reserved_ratio from profile if not specified on cmd line. */
2246 if (reserved_ratio < 0.0) {
2247 reserved_ratio = get_double_from_profile(
2248 fs_types, "reserved_ratio", 5.0);
2249 if (reserved_ratio > 50 || reserved_ratio < 0) {
2250 com_err(program_name, 0,
2251 _("invalid reserved blocks percent - %lf"),
2252 reserved_ratio);
2253 exit(1);
2254 }
2255 }
2256
2257 if (ext2fs_has_feature_journal_dev(&fs_param)) {
2258 reserved_ratio = 0;
2259 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2260 fs_param.s_feature_compat = 0;
2261 fs_param.s_feature_ro_compat &=
2262 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2263 }
2264
2265 /* Check the user's mkfs options for 64bit */
2266 if (ext2fs_has_feature_64bit(&fs_param) &&
2267 !ext2fs_has_feature_extents(&fs_param)) {
2268 printf("%s", _("Extents MUST be enabled for a 64-bit "
2269 "filesystem. Pass -O extents to rectify.\n"));
2270 exit(1);
2271 }
2272
2273 /* Set first meta blockgroup via an environment variable */
2274 /* (this is mostly for debugging purposes) */
2275 if (ext2fs_has_feature_meta_bg(&fs_param) &&
2276 (tmp = getenv("MKE2FS_FIRST_META_BG")))
2277 fs_param.s_first_meta_bg = atoi(tmp);
2278 if (ext2fs_has_feature_bigalloc(&fs_param)) {
2279 if (!cluster_size)
2280 cluster_size = get_int_from_profile(fs_types,
2281 "cluster_size",
2282 blocksize*16);
2283 fs_param.s_log_cluster_size =
2284 int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2285 if (fs_param.s_log_cluster_size &&
2286 fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2287 com_err(program_name, 0, "%s",
2288 _("The cluster size may not be "
2289 "smaller than the block size.\n"));
2290 exit(1);
2291 }
2292 } else if (cluster_size) {
2293 com_err(program_name, 0, "%s",
2294 _("specifying a cluster size requires the "
2295 "bigalloc feature"));
2296 exit(1);
2297 } else
2298 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2299
2300 if (inode_ratio == 0) {
2301 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2302 8192);
2303 if (inode_ratio < blocksize)
2304 inode_ratio = blocksize;
2305 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2306 inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2307 }
2308
2309 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2310 retval = get_device_geometry(device_name, &fs_param,
2311 (unsigned int) psector_size);
2312 if (retval < 0) {
2313 fprintf(stderr,
2314 _("warning: Unable to get device geometry for %s\n"),
2315 device_name);
2316 } else if (retval) {
2317 printf(_("%s alignment is offset by %lu bytes.\n"),
2318 device_name, retval);
2319 printf(_("This may result in very poor performance, "
2320 "(re)-partitioning suggested.\n"));
2321 }
2322 #endif
2323
2324 num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2325
2326 blocksize = EXT2_BLOCK_SIZE(&fs_param);
2327
2328 /*
2329 * Initialize s_desc_size so that the parse_extended_opts()
2330 * can correctly handle "-E resize=NNN" if the 64-bit option
2331 * is set.
2332 */
2333 if (ext2fs_has_feature_64bit(&fs_param))
2334 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2335
2336 /* This check should happen beyond the last assignment to blocksize */
2337 if (blocksize > sys_page_size) {
2338 if (!force) {
2339 com_err(program_name, 0,
2340 _("%d-byte blocks too big for system (max %d)"),
2341 blocksize, sys_page_size);
2342 proceed_question(proceed_delay);
2343 }
2344 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2345 "(max %d), forced to continue\n"),
2346 blocksize, sys_page_size);
2347 }
2348
2349 /* Metadata checksumming wasn't totally stable before 3.18. */
2350 if (is_before_linux_ver(3, 18, 0) &&
2351 ext2fs_has_feature_metadata_csum(&fs_param))
2352 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2353 "improved stability of the metadata and journal "
2354 "checksum features.\n"));
2355
2356 /*
2357 * On newer kernels we do have lazy_itable_init support. So pick the
2358 * right default in case ext4 module is not loaded.
2359 */
2360 if (is_before_linux_ver(2, 6, 37))
2361 lazy_itable_init = 0;
2362 else
2363 lazy_itable_init = 1;
2364
2365 if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2366 lazy_itable_init = 1;
2367
2368 lazy_itable_init = get_bool_from_profile(fs_types,
2369 "lazy_itable_init",
2370 lazy_itable_init);
2371 discard = get_bool_from_profile(fs_types, "discard" , discard);
2372 journal_flags |= get_bool_from_profile(fs_types,
2373 "lazy_journal_init", 0) ?
2374 EXT2_MKJOURNAL_LAZYINIT : 0;
2375 journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2376
2377 if (!journal_location_string)
2378 journal_location_string = get_string_from_profile(fs_types,
2379 "journal_location", "");
2380 if ((journal_location == ~0ULL) && journal_location_string &&
2381 *journal_location_string)
2382 journal_location = parse_num_blocks2(journal_location_string,
2383 fs_param.s_log_block_size);
2384 free(journal_location_string);
2385
2386 packed_meta_blocks = get_bool_from_profile(fs_types,
2387 "packed_meta_blocks", 0);
2388 if (packed_meta_blocks)
2389 journal_location = 0;
2390
2391 if (ext2fs_has_feature_casefold(&fs_param)) {
2392 char *ef, *en = get_string_from_profile(fs_types,
2393 "encoding", "utf8");
2394 int encoding = e2p_str2encoding(en);
2395
2396 if (encoding < 0) {
2397 com_err(program_name, 0,
2398 _("Unknown filename encoding from profile: %s"),
2399 en);
2400 exit(1);
2401 }
2402 free(en);
2403 fs_param.s_encoding = encoding;
2404 ef = get_string_from_profile(fs_types, "encoding_flags", NULL);
2405 if (ef) {
2406 if (e2p_str2encoding_flags(encoding, ef,
2407 &fs_param.s_encoding_flags) < 0) {
2408 com_err(program_name, 0,
2409 _("Unknown encoding flags from profile: %s"), ef);
2410 exit(1);
2411 }
2412 free(ef);
2413 } else
2414 fs_param.s_encoding_flags =
2415 e2p_get_encoding_flags(encoding);
2416 }
2417
2418 /* Get options from profile */
2419 for (cpp = fs_types; *cpp; cpp++) {
2420 tmp = NULL;
2421 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2422 if (tmp && *tmp)
2423 parse_extended_opts(&fs_param, tmp);
2424 free(tmp);
2425 }
2426
2427 if (extended_opts)
2428 parse_extended_opts(&fs_param, extended_opts);
2429
2430 if (explicit_fssize == 0 && offset > 0) {
2431 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2432 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2433 fprintf(stderr,
2434 _("\nWarning: offset specified without an "
2435 "explicit file system size.\n"
2436 "Creating a file system with %llu blocks "
2437 "but this might\n"
2438 "not be what you want.\n\n"),
2439 (unsigned long long) fs_blocks_count);
2440 }
2441
2442 if (quotatype_bits & QUOTA_PRJ_BIT)
2443 ext2fs_set_feature_project(&fs_param);
2444
2445 if (ext2fs_has_feature_project(&fs_param)) {
2446 quotatype_bits |= QUOTA_PRJ_BIT;
2447 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2448 com_err(program_name, 0,
2449 _("%d byte inodes are too small for "
2450 "project quota"),
2451 inode_size);
2452 exit(1);
2453 }
2454 if (inode_size == 0) {
2455 inode_size = get_int_from_profile(fs_types,
2456 "inode_size", 0);
2457 if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2458 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2459 }
2460 }
2461
2462 if (ext2fs_has_feature_casefold(&fs_param) &&
2463 ext2fs_has_feature_encrypt(&fs_param)) {
2464 com_err(program_name, 0, "%s",
2465 _("The encrypt and casefold features are not "
2466 "compatible.\nThey can not be both enabled "
2467 "simultaneously.\n"));
2468 exit (1);
2469 }
2470
2471 /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2472 if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2473 ext2fs_has_feature_gdt_csum(&fs_param))
2474 ext2fs_clear_feature_gdt_csum(&fs_param);
2475
2476 /* Can't support bigalloc feature without extents feature */
2477 if (ext2fs_has_feature_bigalloc(&fs_param) &&
2478 !ext2fs_has_feature_extents(&fs_param)) {
2479 com_err(program_name, 0, "%s",
2480 _("Can't support bigalloc feature without "
2481 "extents feature"));
2482 exit(1);
2483 }
2484
2485 if (ext2fs_has_feature_meta_bg(&fs_param) &&
2486 ext2fs_has_feature_resize_inode(&fs_param)) {
2487 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2488 "features are not compatible.\n"
2489 "They can not be both enabled "
2490 "simultaneously.\n"));
2491 exit(1);
2492 }
2493
2494 if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2495 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2496 "still under development\n"
2497 "See https://ext4.wiki.kernel.org/"
2498 "index.php/Bigalloc for more information\n\n"));
2499
2500 /*
2501 * Since sparse_super is the default, we would only have a problem
2502 * here if it was explicitly disabled.
2503 */
2504 if (ext2fs_has_feature_resize_inode(&fs_param) &&
2505 !ext2fs_has_feature_sparse_super(&fs_param)) {
2506 com_err(program_name, 0, "%s",
2507 _("reserved online resize blocks not supported "
2508 "on non-sparse filesystem"));
2509 exit(1);
2510 }
2511
2512 if (fs_param.s_blocks_per_group) {
2513 if (fs_param.s_blocks_per_group < 256 ||
2514 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2515 com_err(program_name, 0, "%s",
2516 _("blocks per group count out of range"));
2517 exit(1);
2518 }
2519 }
2520
2521 /*
2522 * If the bigalloc feature is enabled, then the -g option will
2523 * specify the number of clusters per group.
2524 */
2525 if (ext2fs_has_feature_bigalloc(&fs_param)) {
2526 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2527 fs_param.s_blocks_per_group = 0;
2528 }
2529
2530 if (inode_size == 0)
2531 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2532 if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2533 flex_bg_size = get_uint_from_profile(fs_types,
2534 "flex_bg_size", 16);
2535 if (flex_bg_size) {
2536 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2537 com_err(program_name, 0, "%s",
2538 _("Flex_bg feature not enabled, so "
2539 "flex_bg size may not be specified"));
2540 exit(1);
2541 }
2542 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2543 }
2544
2545 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2546 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2547 inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2548 inode_size & (inode_size - 1)) {
2549 com_err(program_name, 0,
2550 _("invalid inode size %d (min %d/max %d)"),
2551 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2552 blocksize);
2553 exit(1);
2554 }
2555 fs_param.s_inode_size = inode_size;
2556 }
2557
2558 /*
2559 * If inode size is 128 and inline data is enabled, we need
2560 * to notify users that inline data will never be useful.
2561 */
2562 if (ext2fs_has_feature_inline_data(&fs_param) &&
2563 fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2564 com_err(program_name, 0,
2565 _("%d byte inodes are too small for inline data; "
2566 "specify larger size"),
2567 fs_param.s_inode_size);
2568 exit(1);
2569 }
2570
2571 /* Make sure number of inodes specified will fit in 32 bits */
2572 if (num_inodes == 0) {
2573 unsigned long long n;
2574 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2575 if (n > MAX_32_NUM) {
2576 if (ext2fs_has_feature_64bit(&fs_param))
2577 num_inodes = MAX_32_NUM;
2578 else {
2579 com_err(program_name, 0,
2580 _("too many inodes (%llu), raise "
2581 "inode ratio?"), n);
2582 exit(1);
2583 }
2584 }
2585 } else if (num_inodes > MAX_32_NUM) {
2586 com_err(program_name, 0,
2587 _("too many inodes (%llu), specify < 2^32 inodes"),
2588 num_inodes);
2589 exit(1);
2590 }
2591 /*
2592 * Calculate number of inodes based on the inode ratio
2593 */
2594 fs_param.s_inodes_count = num_inodes ? num_inodes :
2595 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2596
2597 if ((((unsigned long long)fs_param.s_inodes_count) *
2598 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2599 ((ext2fs_blocks_count(&fs_param)) *
2600 EXT2_BLOCK_SIZE(&fs_param))) {
2601 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2602 "(%u) too big for a\n\t"
2603 "filesystem with %llu blocks, "
2604 "specify higher inode_ratio (-i)\n\t"
2605 "or lower inode count (-N).\n"),
2606 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2607 fs_param.s_inodes_count,
2608 (unsigned long long) ext2fs_blocks_count(&fs_param));
2609 exit(1);
2610 }
2611
2612 /*
2613 * Calculate number of blocks to reserve
2614 */
2615 ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2616 ext2fs_blocks_count(&fs_param) / 100.0);
2617
2618 if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2619 if (num_backups >= 1)
2620 fs_param.s_backup_bgs[0] = 1;
2621 if (num_backups >= 2)
2622 fs_param.s_backup_bgs[1] = ~0;
2623 }
2624
2625 free(fs_type);
2626 free(usage_types);
2627 }
2628
2629 static int should_do_undo(const char *name)
2630 {
2631 errcode_t retval;
2632 io_channel channel;
2633 __u16 s_magic;
2634 struct ext2_super_block super;
2635 io_manager manager = unix_io_manager;
2636 int csum_flag, force_undo;
2637
2638 csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2639 ext2fs_has_feature_gdt_csum(&fs_param);
2640 force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2641 if (!force_undo && (!csum_flag || !lazy_itable_init))
2642 return 0;
2643
2644 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel);
2645 if (retval) {
2646 /*
2647 * We don't handle error cases instead we
2648 * declare that the file system doesn't exist
2649 * and let the rest of mke2fs take care of
2650 * error
2651 */
2652 retval = 0;
2653 goto open_err_out;
2654 }
2655
2656 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2657 retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2658 if (retval) {
2659 retval = 0;
2660 goto err_out;
2661 }
2662
2663 #if defined(WORDS_BIGENDIAN)
2664 s_magic = ext2fs_swab16(super.s_magic);
2665 #else
2666 s_magic = super.s_magic;
2667 #endif
2668
2669 if (s_magic == EXT2_SUPER_MAGIC)
2670 retval = 1;
2671
2672 err_out:
2673 io_channel_close(channel);
2674
2675 open_err_out:
2676
2677 return retval;
2678 }
2679
2680 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2681 {
2682 errcode_t retval = ENOMEM;
2683 char *tdb_dir = NULL, *tdb_file = NULL;
2684 char *dev_name, *tmp_name;
2685 int free_tdb_dir = 0;
2686
2687 /* (re)open a specific undo file */
2688 if (undo_file && undo_file[0] != 0) {
2689 retval = set_undo_io_backing_manager(*io_ptr);
2690 if (retval)
2691 goto err;
2692 *io_ptr = undo_io_manager;
2693 retval = set_undo_io_backup_file(undo_file);
2694 if (retval)
2695 goto err;
2696 printf(_("Overwriting existing filesystem; this can be undone "
2697 "using the command:\n"
2698 " e2undo %s %s\n\n"), undo_file, name);
2699 return retval;
2700 }
2701
2702 /*
2703 * Configuration via a conf file would be
2704 * nice
2705 */
2706 tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2707 if (!tdb_dir) {
2708 profile_get_string(profile, "defaults",
2709 "undo_dir", 0, "/var/lib/e2fsprogs",
2710 &tdb_dir);
2711 free_tdb_dir = 1;
2712 }
2713
2714 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2715 access(tdb_dir, W_OK)) {
2716 if (free_tdb_dir)
2717 free(tdb_dir);
2718 return 0;
2719 }
2720
2721 tmp_name = strdup(name);
2722 if (!tmp_name)
2723 goto errout;
2724 dev_name = basename(tmp_name);
2725 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2726 if (!tdb_file) {
2727 free(tmp_name);
2728 goto errout;
2729 }
2730 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2731 free(tmp_name);
2732
2733 if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2734 retval = errno;
2735 com_err(program_name, retval,
2736 _("while trying to delete %s"), tdb_file);
2737 goto errout;
2738 }
2739
2740 retval = set_undo_io_backing_manager(*io_ptr);
2741 if (retval)
2742 goto errout;
2743 *io_ptr = undo_io_manager;
2744 retval = set_undo_io_backup_file(tdb_file);
2745 if (retval)
2746 goto errout;
2747 printf(_("Overwriting existing filesystem; this can be undone "
2748 "using the command:\n"
2749 " e2undo %s %s\n\n"), tdb_file, name);
2750
2751 if (free_tdb_dir)
2752 free(tdb_dir);
2753 free(tdb_file);
2754 return 0;
2755
2756 errout:
2757 if (free_tdb_dir)
2758 free(tdb_dir);
2759 free(tdb_file);
2760 err:
2761 com_err(program_name, retval, "%s",
2762 _("while trying to setup undo file\n"));
2763 return retval;
2764 }
2765
2766 static int mke2fs_discard_device(ext2_filsys fs)
2767 {
2768 struct ext2fs_numeric_progress_struct progress;
2769 blk64_t blocks = ext2fs_blocks_count(fs->super);
2770 blk64_t count = DISCARD_STEP_MB;
2771 blk64_t cur;
2772 int retval = 0;
2773
2774 /*
2775 * Let's try if discard really works on the device, so
2776 * we do not print numeric progress resulting in failure
2777 * afterwards.
2778 */
2779 retval = io_channel_discard(fs->io, 0, fs->blocksize);
2780 if (retval)
2781 return retval;
2782 cur = fs->blocksize;
2783
2784 count *= (1024 * 1024);
2785 count /= fs->blocksize;
2786
2787 ext2fs_numeric_progress_init(fs, &progress,
2788 _("Discarding device blocks: "),
2789 blocks);
2790 while (cur < blocks) {
2791 ext2fs_numeric_progress_update(fs, &progress, cur);
2792
2793 if (cur + count > blocks)
2794 count = blocks - cur;
2795
2796 retval = io_channel_discard(fs->io, cur, count);
2797 if (retval)
2798 break;
2799 cur += count;
2800 }
2801
2802 if (retval) {
2803 ext2fs_numeric_progress_close(fs, &progress,
2804 _("failed - "));
2805 if (!quiet)
2806 printf("%s\n",error_message(retval));
2807 } else
2808 ext2fs_numeric_progress_close(fs, &progress,
2809 _("done \n"));
2810
2811 return retval;
2812 }
2813
2814 static void fix_cluster_bg_counts(ext2_filsys fs)
2815 {
2816 blk64_t block, num_blocks, last_block, next;
2817 blk64_t tot_free = 0;
2818 errcode_t retval;
2819 dgrp_t group = 0;
2820 int grp_free = 0;
2821
2822 num_blocks = ext2fs_blocks_count(fs->super);
2823 last_block = ext2fs_group_last_block2(fs, group);
2824 block = fs->super->s_first_data_block;
2825 while (block < num_blocks) {
2826 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2827 block, last_block, &next);
2828 if (retval == 0)
2829 block = next;
2830 else {
2831 block = last_block + 1;
2832 goto next_bg;
2833 }
2834
2835 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2836 block, last_block, &next);
2837 if (retval)
2838 next = last_block + 1;
2839 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2840 tot_free += next - block;
2841 block = next;
2842
2843 if (block > last_block) {
2844 next_bg:
2845 ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2846 ext2fs_group_desc_csum_set(fs, group);
2847 grp_free = 0;
2848 group++;
2849 last_block = ext2fs_group_last_block2(fs, group);
2850 }
2851 }
2852 ext2fs_free_blocks_count_set(fs->super, tot_free);
2853 }
2854
2855 static int create_quota_inodes(ext2_filsys fs)
2856 {
2857 quota_ctx_t qctx;
2858 errcode_t retval;
2859
2860 retval = quota_init_context(&qctx, fs, quotatype_bits);
2861 if (retval) {
2862 com_err(program_name, retval,
2863 _("while initializing quota context"));
2864 exit(1);
2865 }
2866 quota_compute_usage(qctx);
2867 retval = quota_write_inode(qctx, quotatype_bits);
2868 if (retval) {
2869 com_err(program_name, retval,
2870 _("while writing quota inodes"));
2871 exit(1);
2872 }
2873 quota_release_context(&qctx);
2874
2875 return 0;
2876 }
2877
2878 static errcode_t set_error_behavior(ext2_filsys fs)
2879 {
2880 char *arg = NULL;
2881 short errors = fs->super->s_errors;
2882
2883 arg = get_string_from_profile(fs_types, "errors", NULL);
2884 if (arg == NULL)
2885 goto try_user;
2886
2887 if (strcmp(arg, "continue") == 0)
2888 errors = EXT2_ERRORS_CONTINUE;
2889 else if (strcmp(arg, "remount-ro") == 0)
2890 errors = EXT2_ERRORS_RO;
2891 else if (strcmp(arg, "panic") == 0)
2892 errors = EXT2_ERRORS_PANIC;
2893 else {
2894 com_err(program_name, 0,
2895 _("bad error behavior in profile - %s"),
2896 arg);
2897 free(arg);
2898 return EXT2_ET_INVALID_ARGUMENT;
2899 }
2900 free(arg);
2901
2902 try_user:
2903 if (errors_behavior)
2904 errors = errors_behavior;
2905
2906 fs->super->s_errors = errors;
2907 return 0;
2908 }
2909
2910 int main (int argc, char *argv[])
2911 {
2912 errcode_t retval = 0;
2913 ext2_filsys fs;
2914 badblocks_list bb_list = 0;
2915 badblocks_iterate bb_iter;
2916 blk_t blk;
2917 unsigned int journal_blocks = 0;
2918 unsigned int i, checkinterval;
2919 int max_mnt_count;
2920 int val, hash_alg;
2921 int flags;
2922 int old_bitmaps;
2923 io_manager io_ptr;
2924 char opt_string[40];
2925 char *hash_alg_str;
2926 int itable_zeroed = 0;
2927 blk64_t overhead;
2928
2929 #ifdef ENABLE_NLS
2930 setlocale(LC_MESSAGES, "");
2931 setlocale(LC_CTYPE, "");
2932 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2933 textdomain(NLS_CAT_NAME);
2934 set_com_err_gettext(gettext);
2935 #endif
2936 PRS(argc, argv);
2937
2938 #ifdef CONFIG_TESTIO_DEBUG
2939 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2940 io_ptr = test_io_manager;
2941 test_io_backing_manager = unix_io_manager;
2942 } else
2943 #endif
2944 io_ptr = unix_io_manager;
2945
2946 if (undo_file != NULL || should_do_undo(device_name)) {
2947 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2948 if (retval)
2949 exit(1);
2950 }
2951
2952 /*
2953 * Initialize the superblock....
2954 */
2955 flags = EXT2_FLAG_EXCLUSIVE;
2956 if (direct_io)
2957 flags |= EXT2_FLAG_DIRECT_IO;
2958 profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2959 &old_bitmaps);
2960 if (!old_bitmaps)
2961 flags |= EXT2_FLAG_64BITS;
2962 /*
2963 * By default, we print how many inode tables or block groups
2964 * or whatever we've written so far. The quiet flag disables
2965 * this, along with a lot of other output.
2966 */
2967 if (!quiet)
2968 flags |= EXT2_FLAG_PRINT_PROGRESS;
2969 if (android_sparse_file) {
2970 char *android_sparse_params = malloc(strlen(device_name) + 48);
2971
2972 if (!android_sparse_params) {
2973 com_err(program_name, ENOMEM, "%s",
2974 _("in malloc for android_sparse_params"));
2975 exit(1);
2976 }
2977 sprintf(android_sparse_params, "(%s):%u:%u",
2978 device_name, fs_param.s_blocks_count,
2979 1024 << fs_param.s_log_block_size);
2980 retval = ext2fs_initialize(android_sparse_params, flags,
2981 &fs_param, sparse_io_manager, &fs);
2982 free(android_sparse_params);
2983 } else
2984 retval = ext2fs_initialize(device_name, flags, &fs_param,
2985 io_ptr, &fs);
2986 if (retval) {
2987 com_err(device_name, retval, "%s",
2988 _("while setting up superblock"));
2989 exit(1);
2990 }
2991 fs->progress_ops = &ext2fs_numeric_progress_ops;
2992
2993 /* Set the error behavior */
2994 retval = set_error_behavior(fs);
2995 if (retval)
2996 usage();
2997
2998 /* Check the user's mkfs options for metadata checksumming */
2999 if (!quiet &&
3000 !ext2fs_has_feature_journal_dev(fs->super) &&
3001 ext2fs_has_feature_metadata_csum(fs->super)) {
3002 if (!ext2fs_has_feature_extents(fs->super))
3003 printf("%s",
3004 _("Extents are not enabled. The file extent "
3005 "tree can be checksummed, whereas block maps "
3006 "cannot. Not enabling extents reduces the "
3007 "coverage of metadata checksumming. "
3008 "Pass -O extents to rectify.\n"));
3009 if (!ext2fs_has_feature_64bit(fs->super))
3010 printf("%s",
3011 _("64-bit filesystem support is not enabled. "
3012 "The larger fields afforded by this feature "
3013 "enable full-strength checksumming. "
3014 "Pass -O 64bit to rectify.\n"));
3015 }
3016
3017 if (ext2fs_has_feature_csum_seed(fs->super) &&
3018 !ext2fs_has_feature_metadata_csum(fs->super)) {
3019 printf("%s", _("The metadata_csum_seed feature "
3020 "requires the metadata_csum feature.\n"));
3021 exit(1);
3022 }
3023
3024 /* Calculate journal blocks */
3025 if (!journal_device && ((journal_size) ||
3026 ext2fs_has_feature_journal(&fs_param)))
3027 journal_blocks = figure_journal_size(journal_size, fs);
3028
3029 sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
3030 32768 : fs->blocksize * 8);
3031 io_channel_set_options(fs->io, opt_string);
3032 if (offset) {
3033 sprintf(opt_string, "offset=%llu", offset);
3034 io_channel_set_options(fs->io, opt_string);
3035 }
3036
3037 /* Can't undo discard ... */
3038 if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
3039 retval = mke2fs_discard_device(fs);
3040 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
3041 if (verbose)
3042 printf("%s",
3043 _("Discard succeeded and will return "
3044 "0s - skipping inode table wipe\n"));
3045 lazy_itable_init = 1;
3046 itable_zeroed = 1;
3047 zero_hugefile = 0;
3048 }
3049 }
3050
3051 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
3052 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
3053
3054 if (ext2fs_has_feature_flex_bg(&fs_param) ||
3055 ext2fs_has_feature_huge_file(&fs_param) ||
3056 ext2fs_has_feature_gdt_csum(&fs_param) ||
3057 ext2fs_has_feature_dir_nlink(&fs_param) ||
3058 ext2fs_has_feature_metadata_csum(&fs_param) ||
3059 ext2fs_has_feature_extra_isize(&fs_param))
3060 fs->super->s_kbytes_written = 1;
3061
3062 /*
3063 * Wipe out the old on-disk superblock
3064 */
3065 if (!noaction)
3066 zap_sector(fs, 2, 6);
3067
3068 /*
3069 * Parse or generate a UUID for the filesystem
3070 */
3071 if (fs_uuid) {
3072 if ((strcasecmp(fs_uuid, "null") == 0) ||
3073 (strcasecmp(fs_uuid, "clear") == 0)) {
3074 uuid_clear(fs->super->s_uuid);
3075 } else if (strcasecmp(fs_uuid, "time") == 0) {
3076 uuid_generate_time(fs->super->s_uuid);
3077 } else if (strcasecmp(fs_uuid, "random") == 0) {
3078 uuid_generate(fs->super->s_uuid);
3079 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
3080 com_err(device_name, 0, "could not parse UUID: %s\n",
3081 fs_uuid);
3082 exit(1);
3083 }
3084 } else
3085 uuid_generate(fs->super->s_uuid);
3086
3087 if (ext2fs_has_feature_csum_seed(fs->super))
3088 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
3089 fs->super->s_uuid, sizeof(fs->super->s_uuid));
3090
3091 ext2fs_init_csum_seed(fs);
3092
3093 /*
3094 * Initialize the directory index variables
3095 */
3096 hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3097 "half_md4");
3098 hash_alg = e2p_string2hash(hash_alg_str);
3099 free(hash_alg_str);
3100 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3101 EXT2_HASH_HALF_MD4;
3102
3103 if (memcmp(fs_param.s_hash_seed, zero_buf,
3104 sizeof(fs_param.s_hash_seed)) != 0) {
3105 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3106 sizeof(fs->super->s_hash_seed));
3107 } else
3108 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3109
3110 /*
3111 * Periodic checks can be enabled/disabled via config file.
3112 * Note we override the kernel include file's idea of what the default
3113 * check interval (never) should be. It's a good idea to check at
3114 * least *occasionally*, specially since servers will never rarely get
3115 * to reboot, since Linux is so robust these days. :-)
3116 *
3117 * 180 days (six months) seems like a good value.
3118 */
3119 #ifdef EXT2_DFL_CHECKINTERVAL
3120 #undef EXT2_DFL_CHECKINTERVAL
3121 #endif
3122 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3123
3124 if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3125 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3126 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3127 /*
3128 * Add "jitter" to the superblock's check interval so that we
3129 * don't check all the filesystems at the same time. We use a
3130 * kludgy hack of using the UUID to derive a random jitter value
3131 */
3132 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3133 val += fs->super->s_uuid[i];
3134 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3135 } else
3136 fs->super->s_max_mnt_count = -1;
3137
3138 /*
3139 * Override the creator OS, if applicable
3140 */
3141 if (creator_os && !set_os(fs->super, creator_os)) {
3142 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3143 exit(1);
3144 }
3145
3146 /*
3147 * For the Hurd, we will turn off filetype since it doesn't
3148 * support it.
3149 */
3150 if (fs->super->s_creator_os == EXT2_OS_HURD)
3151 ext2fs_clear_feature_filetype(fs->super);
3152
3153 /*
3154 * Set the volume label...
3155 */
3156 if (volume_label) {
3157 memset(fs->super->s_volume_name, 0,
3158 sizeof(fs->super->s_volume_name));
3159 strncpy(fs->super->s_volume_name, volume_label,
3160 sizeof(fs->super->s_volume_name));
3161 }
3162
3163 /*
3164 * Set the last mount directory
3165 */
3166 if (mount_dir) {
3167 memset(fs->super->s_last_mounted, 0,
3168 sizeof(fs->super->s_last_mounted));
3169 strncpy(fs->super->s_last_mounted, mount_dir,
3170 sizeof(fs->super->s_last_mounted));
3171 }
3172
3173 /* Set current default encryption algorithms for data and
3174 * filename encryption */
3175 if (ext2fs_has_feature_encrypt(fs->super)) {
3176 fs->super->s_encrypt_algos[0] =
3177 EXT4_ENCRYPTION_MODE_AES_256_XTS;
3178 fs->super->s_encrypt_algos[1] =
3179 EXT4_ENCRYPTION_MODE_AES_256_CTS;
3180 }
3181
3182 if (ext2fs_has_feature_metadata_csum(fs->super))
3183 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3184
3185 if (!quiet || noaction)
3186 show_stats(fs);
3187
3188 if (noaction)
3189 exit(0);
3190
3191 if (ext2fs_has_feature_journal_dev(fs->super)) {
3192 create_journal_dev(fs);
3193 printf("\n");
3194 exit(ext2fs_close_free(&fs) ? 1 : 0);
3195 }
3196
3197 if (bad_blocks_filename)
3198 read_bb_file(fs, &bb_list, bad_blocks_filename);
3199 if (cflag)
3200 test_disk(fs, &bb_list);
3201 handle_bad_blocks(fs, bb_list);
3202
3203 fs->stride = fs_stride = fs->super->s_raid_stride;
3204 if (!quiet)
3205 printf("%s", _("Allocating group tables: "));
3206 if (ext2fs_has_feature_flex_bg(fs->super) &&
3207 packed_meta_blocks)
3208 retval = packed_allocate_tables(fs);
3209 else
3210 retval = ext2fs_allocate_tables(fs);
3211 if (retval) {
3212 com_err(program_name, retval, "%s",
3213 _("while trying to allocate filesystem tables"));
3214 exit(1);
3215 }
3216 if (!quiet)
3217 printf("%s", _("done \n"));
3218
3219 /*
3220 * Unmark bad blocks to calculate overhead, because metadata
3221 * blocks and bad blocks can land on the same allocation cluster.
3222 */
3223 if (bb_list) {
3224 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3225 &bb_iter);
3226 if (retval) {
3227 com_err("ext2fs_badblocks_list_iterate_begin", retval,
3228 "%s", _("while unmarking bad blocks"));
3229 exit(1);
3230 }
3231 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3232 ext2fs_unmark_block_bitmap2(fs->block_map, blk);
3233 ext2fs_badblocks_list_iterate_end(bb_iter);
3234 }
3235
3236 retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3237 if (retval) {
3238 com_err(program_name, retval, "%s",
3239 _("\n\twhile converting subcluster bitmap"));
3240 exit(1);
3241 }
3242
3243 retval = ext2fs_count_used_clusters(fs, fs->super->s_first_data_block,
3244 ext2fs_blocks_count(fs->super) - 1,
3245 &overhead);
3246 if (retval) {
3247 com_err(program_name, retval, "%s",
3248 _("while calculating overhead"));
3249 exit(1);
3250 }
3251
3252 if (bb_list) {
3253 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3254 &bb_iter);
3255 if (retval) {
3256 com_err("ext2fs_badblocks_list_iterate_begin", retval,
3257 "%s", _("while marking bad blocks as used"));
3258 exit(1);
3259 }
3260 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3261 ext2fs_mark_block_bitmap2(fs->block_map, blk);
3262 ext2fs_badblocks_list_iterate_end(bb_iter);
3263 }
3264
3265 if (super_only) {
3266 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3267 printf(_("%s may be further corrupted by superblock rewrite\n"),
3268 device_name);
3269 if (!force)
3270 proceed_question(proceed_delay);
3271 fs->super->s_state |= EXT2_ERROR_FS;
3272 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3273 /*
3274 * The command "mke2fs -S" is used to recover
3275 * corrupted file systems, so do not mark any of the
3276 * inodes as unused; we want e2fsck to consider all
3277 * inodes as potentially containing recoverable data.
3278 */
3279 if (ext2fs_has_group_desc_csum(fs)) {
3280 for (i = 0; i < fs->group_desc_count; i++)
3281 ext2fs_bg_itable_unused_set(fs, i, 0);
3282 }
3283 } else {
3284 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3285 blk64_t rsv = 65536 / fs->blocksize;
3286 blk64_t blocks = ext2fs_blocks_count(fs->super);
3287 blk64_t start;
3288 blk64_t ret_blk;
3289
3290 #ifdef ZAP_BOOTBLOCK
3291 zap_sector(fs, 0, 2);
3292 #endif
3293
3294 /*
3295 * Wipe out any old MD RAID (or other) metadata at the end
3296 * of the device. This will also verify that the device is
3297 * as large as we think. Be careful with very small devices.
3298 */
3299 start = (blocks & ~(rsv - 1));
3300 if (start > rsv)
3301 start -= rsv;
3302 if (start > 0)
3303 retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3304 &ret_blk, NULL);
3305
3306 if (retval) {
3307 com_err(program_name, retval,
3308 _("while zeroing block %llu at end of filesystem"),
3309 ret_blk);
3310 }
3311 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3312 create_root_dir(fs);
3313 create_lost_and_found(fs);
3314 reserve_inodes(fs);
3315 create_bad_block_inode(fs, bb_list);
3316 if (ext2fs_has_feature_resize_inode(fs->super)) {
3317 retval = ext2fs_create_resize_inode(fs);
3318 if (retval) {
3319 com_err("ext2fs_create_resize_inode", retval,
3320 "%s",
3321 _("while reserving blocks for online resize"));
3322 exit(1);
3323 }
3324 }
3325 }
3326
3327 if (journal_device) {
3328 ext2_filsys jfs;
3329
3330 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3331 NULL) && !force)
3332 proceed_question(proceed_delay);
3333 check_mount(journal_device, force, _("journal"));
3334
3335 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3336 EXT2_FLAG_JOURNAL_DEV_OK, 0,
3337 fs->blocksize, unix_io_manager, &jfs);
3338 if (retval) {
3339 com_err(program_name, retval,
3340 _("while trying to open journal device %s\n"),
3341 journal_device);
3342 exit(1);
3343 }
3344 if (!quiet) {
3345 printf(_("Adding journal to device %s: "),
3346 journal_device);
3347 fflush(stdout);
3348 }
3349 retval = ext2fs_add_journal_device(fs, jfs);
3350 if(retval) {
3351 com_err (program_name, retval,
3352 _("\n\twhile trying to add journal to device %s"),
3353 journal_device);
3354 exit(1);
3355 }
3356 if (!quiet)
3357 printf("%s", _("done\n"));
3358 ext2fs_close_free(&jfs);
3359 free(journal_device);
3360 } else if ((journal_size) ||
3361 ext2fs_has_feature_journal(&fs_param)) {
3362 overhead += EXT2FS_NUM_B2C(fs, journal_blocks);
3363 if (super_only) {
3364 printf("%s", _("Skipping journal creation in super-only mode\n"));
3365 fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3366 goto no_journal;
3367 }
3368
3369 if (!journal_blocks) {
3370 ext2fs_clear_feature_journal(fs->super);
3371 goto no_journal;
3372 }
3373 if (!quiet) {
3374 printf(_("Creating journal (%u blocks): "),
3375 journal_blocks);
3376 fflush(stdout);
3377 }
3378 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3379 journal_location,
3380 journal_flags);
3381 if (retval) {
3382 com_err(program_name, retval, "%s",
3383 _("\n\twhile trying to create journal"));
3384 exit(1);
3385 }
3386 if (!quiet)
3387 printf("%s", _("done\n"));
3388 }
3389 no_journal:
3390 if (!super_only &&
3391 ext2fs_has_feature_mmp(fs->super)) {
3392 retval = ext2fs_mmp_init(fs);
3393 if (retval) {
3394 fprintf(stderr, "%s",
3395 _("\nError while enabling multiple "
3396 "mount protection feature."));
3397 exit(1);
3398 }
3399 if (!quiet)
3400 printf(_("Multiple mount protection is enabled "
3401 "with update interval %d seconds.\n"),
3402 fs->super->s_mmp_update_interval);
3403 }
3404
3405 overhead += fs->super->s_first_data_block;
3406 if (!super_only)
3407 fs->super->s_overhead_clusters = overhead;
3408
3409 if (ext2fs_has_feature_bigalloc(&fs_param))
3410 fix_cluster_bg_counts(fs);
3411 if (ext2fs_has_feature_quota(&fs_param))
3412 create_quota_inodes(fs);
3413
3414 retval = mk_hugefiles(fs, device_name);
3415 if (retval)
3416 com_err(program_name, retval, "while creating huge files");
3417 /* Copy files from the specified directory */
3418 if (src_root_dir) {
3419 if (!quiet)
3420 printf("%s", _("Copying files into the device: "));
3421
3422 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3423 EXT2_ROOT_INO);
3424 if (retval) {
3425 com_err(program_name, retval, "%s",
3426 _("while populating file system"));
3427 exit(1);
3428 } else if (!quiet)
3429 printf("%s", _("done\n"));
3430 }
3431
3432 if (!quiet)
3433 printf("%s", _("Writing superblocks and "
3434 "filesystem accounting information: "));
3435 checkinterval = fs->super->s_checkinterval;
3436 max_mnt_count = fs->super->s_max_mnt_count;
3437 retval = ext2fs_close_free(&fs);
3438 if (retval) {
3439 com_err(program_name, retval, "%s",
3440 _("while writing out and closing file system"));
3441 retval = 1;
3442 } else if (!quiet) {
3443 printf("%s", _("done\n\n"));
3444 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3445 print_check_message(max_mnt_count, checkinterval);
3446 }
3447
3448 remove_error_table(&et_ext2_error_table);
3449 remove_error_table(&et_prof_error_table);
3450 profile_release(profile);
3451 for (i=0; fs_types[i]; i++)
3452 free(fs_types[i]);
3453 free(fs_types);
3454 return retval;
3455 }
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