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tests: update expect file for u_direct_io
[e2fsprogs.git] / misc / mke2fs.c
blob04b2fbce638a84e9196aa28820d526de20fdc7c8
1 /*
2 * mke2fs.c - Make a ext2fs filesystem.
3 *
4 * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
5 * 2003, 2004, 2005 by Theodore Ts'o.
6 *
7 * %Begin-Header%
8 * This file may be redistributed under the terms of the GNU Public
9 * License.
10 * %End-Header%
11 */
12
13 /* Usage: mke2fs [options] device
14 *
15 * The device may be a block device or a image of one, but this isn't
16 * enforced (but it's not much fun on a character device :-).
17 */
18
19 #define _XOPEN_SOURCE 600
20
21 #include "config.h"
22 #include <stdio.h>
23 #include <string.h>
24 #include <strings.h>
25 #include <ctype.h>
26 #include <time.h>
27 #ifdef __linux__
28 #include <sys/utsname.h>
29 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
30 #endif
31 #ifdef HAVE_GETOPT_H
32 #include <getopt.h>
33 #else
34 extern char *optarg;
35 extern int optind;
36 #endif
37 #ifdef HAVE_UNISTD_H
38 #include <unistd.h>
39 #endif
40 #ifdef HAVE_STDLIB_H
41 #include <stdlib.h>
42 #endif
43 #ifdef HAVE_ERRNO_H
44 #include <errno.h>
45 #endif
46 #ifdef HAVE_SYS_IOCTL_H
47 #include <sys/ioctl.h>
48 #endif
49 #include <libgen.h>
50 #include <limits.h>
51 #include <blkid/blkid.h>
52
53 #include "ext2fs/ext2_fs.h"
54 #include "ext2fs/ext2fsP.h"
55 #include "uuid/uuid.h"
56 #include "util.h"
57 #include "support/nls-enable.h"
58 #include "support/plausible.h"
59 #include "support/profile.h"
60 #include "support/prof_err.h"
61 #include "../version.h"
62 #include "support/quotaio.h"
63 #include "mke2fs.h"
64 #include "create_inode.h"
65
66 #define STRIDE_LENGTH 8
67
68 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
69
70 #ifndef __sparc__
71 #define ZAP_BOOTBLOCK
72 #endif
73
74 #define DISCARD_STEP_MB (2048)
75
76 extern int isatty(int);
77 extern FILE *fpopen(const char *cmd, const char *mode);
78
79 const char * program_name = "mke2fs";
80 static const char * device_name /* = NULL */;
81
82 /* Command line options */
83 static int cflag;
84 int verbose;
85 int quiet;
86 static int super_only;
87 static int discard = 1; /* attempt to discard device before fs creation */
88 static int direct_io;
89 static int force;
90 static int noaction;
91 static int num_backups = 2; /* number of backup bg's for sparse_super2 */
92 static uid_t root_uid;
93 static gid_t root_gid;
94 int journal_size;
95 int journal_flags;
96 int journal_fc_size;
97 static int lazy_itable_init;
98 static int packed_meta_blocks;
99 int no_copy_xattrs;
100 static char *bad_blocks_filename = NULL;
101 static __u32 fs_stride;
102 /* Initialize usr/grp quotas by default */
103 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
104 static __u64 offset;
105 static blk64_t journal_location = ~0LL;
106 static int proceed_delay = -1;
107 static blk64_t dev_size;
108
109 static struct ext2_super_block fs_param;
110 static __u32 zero_buf[4];
111 static char *fs_uuid = NULL;
112 static char *creator_os;
113 static char *volume_label;
114 static char *mount_dir;
115 char *journal_device;
116 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
117 char **fs_types;
118 const char *src_root_dir; /* Copy files from the specified directory */
119 static char *undo_file;
120
121 static int android_sparse_file; /* -E android_sparse */
122
123 static profile_t profile;
124
125 static int sys_page_size = 4096;
126
127 static int errors_behavior = 0;
128
129 static void usage(void)
130 {
131 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
132 "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
133 "[-J journal-options]\n"
134 "\t[-G flex-group-size] [-N number-of-inodes] "
135 "[-d root-directory]\n"
136 "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
137 "\t[-g blocks-per-group] [-L volume-label] "
138 "[-M last-mounted-directory]\n\t[-O feature[,...]] "
139 "[-r fs-revision] [-E extended-option[,...]]\n"
140 "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
141 "[-z undo_file]\n"
142 "\t[-jnqvDFSV] device [blocks-count]\n"),
143 program_name);
144 exit(1);
145 }
146
147 static int int_log2(unsigned long long arg)
148 {
149 int l = 0;
150
151 arg >>= 1;
152 while (arg) {
153 l++;
154 arg >>= 1;
155 }
156 return l;
157 }
158
159 int int_log10(unsigned long long arg)
160 {
161 int l;
162
163 for (l=0; arg ; l++)
164 arg = arg / 10;
165 return l;
166 }
167
168 #ifdef __linux__
169 static int parse_version_number(const char *s)
170 {
171 int major, minor, rev;
172 char *endptr;
173 const char *cp = s;
174
175 if (!s)
176 return 0;
177 major = strtol(cp, &endptr, 10);
178 if (cp == endptr || *endptr != '.')
179 return 0;
180 cp = endptr + 1;
181 minor = strtol(cp, &endptr, 10);
182 if (cp == endptr || *endptr != '.')
183 return 0;
184 cp = endptr + 1;
185 rev = strtol(cp, &endptr, 10);
186 if (cp == endptr)
187 return 0;
188 return KERNEL_VERSION(major, minor, rev);
189 }
190
191 static int is_before_linux_ver(unsigned int major, unsigned int minor,
192 unsigned int rev)
193 {
194 struct utsname ut;
195 static int linux_version_code = -1;
196
197 if (uname(&ut)) {
198 perror("uname");
199 exit(1);
200 }
201 if (linux_version_code < 0)
202 linux_version_code = parse_version_number(ut.release);
203 if (linux_version_code == 0)
204 return 0;
205
206 return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
207 }
208 #else
209 static int is_before_linux_ver(unsigned int major, unsigned int minor,
210 unsigned int rev)
211 {
212 return 0;
213 }
214 #endif
215
216 /*
217 * Helper function for read_bb_file and test_disk
218 */
219 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
220 {
221 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
222 return;
223 }
224
225 /*
226 * Reads the bad blocks list from a file
227 */
228 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
229 const char *bad_blocks_file)
230 {
231 FILE *f;
232 errcode_t retval;
233
234 f = fopen(bad_blocks_file, "r");
235 if (!f) {
236 com_err("read_bad_blocks_file", errno,
237 _("while trying to open %s"), bad_blocks_file);
238 exit(1);
239 }
240 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
241 fclose (f);
242 if (retval) {
243 com_err("ext2fs_read_bb_FILE", retval, "%s",
244 _("while reading in list of bad blocks from file"));
245 exit(1);
246 }
247 }
248
249 /*
250 * Runs the badblocks program to test the disk
251 */
252 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
253 {
254 FILE *f;
255 errcode_t retval;
256 char buf[1024];
257
258 sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
259 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
260 fs->device_name,
261 (unsigned long long) ext2fs_blocks_count(fs->super)-1);
262 if (verbose)
263 printf(_("Running command: %s\n"), buf);
264 f = popen(buf, "r");
265 if (!f) {
266 com_err("popen", errno,
267 _("while trying to run '%s'"), buf);
268 exit(1);
269 }
270 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
271 pclose(f);
272 if (retval) {
273 com_err("ext2fs_read_bb_FILE", retval, "%s",
274 _("while processing list of bad blocks from program"));
275 exit(1);
276 }
277 }
278
279 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
280 {
281 dgrp_t i;
282 blk_t j;
283 unsigned must_be_good;
284 blk_t blk;
285 badblocks_iterate bb_iter;
286 errcode_t retval;
287 blk_t group_block;
288 int group;
289 int group_bad;
290
291 if (!bb_list)
292 return;
293
294 /*
295 * The primary superblock and group descriptors *must* be
296 * good; if not, abort.
297 */
298 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
299 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
300 if (ext2fs_badblocks_list_test(bb_list, i)) {
301 fprintf(stderr, _("Block %d in primary "
302 "superblock/group descriptor area bad.\n"), i);
303 fprintf(stderr, _("Blocks %u through %u must be good "
304 "in order to build a filesystem.\n"),
305 fs->super->s_first_data_block, must_be_good);
306 fputs(_("Aborting....\n"), stderr);
307 exit(1);
308 }
309 }
310
311 /*
312 * See if any of the bad blocks are showing up in the backup
313 * superblocks and/or group descriptors. If so, issue a
314 * warning and adjust the block counts appropriately.
315 */
316 group_block = fs->super->s_first_data_block +
317 fs->super->s_blocks_per_group;
318
319 for (i = 1; i < fs->group_desc_count; i++) {
320 group_bad = 0;
321 for (j=0; j < fs->desc_blocks+1; j++) {
322 if (ext2fs_badblocks_list_test(bb_list,
323 group_block + j)) {
324 if (!group_bad)
325 fprintf(stderr,
326 _("Warning: the backup superblock/group descriptors at block %u contain\n"
327 " bad blocks.\n\n"),
328 group_block);
329 group_bad++;
330 group = ext2fs_group_of_blk2(fs, group_block+j);
331 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
332 ext2fs_group_desc_csum_set(fs, group);
333 ext2fs_free_blocks_count_add(fs->super, 1);
334 }
335 }
336 group_block += fs->super->s_blocks_per_group;
337 }
338
339 /*
340 * Mark all the bad blocks as used...
341 */
342 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
343 if (retval) {
344 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
345 _("while marking bad blocks as used"));
346 exit(1);
347 }
348 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
349 ext2fs_mark_block_bitmap2(fs->block_map, blk);
350 ext2fs_badblocks_list_iterate_end(bb_iter);
351 }
352
353 static void write_reserved_inodes(ext2_filsys fs)
354 {
355 errcode_t retval;
356 ext2_ino_t ino;
357 struct ext2_inode *inode;
358
359 retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
360 if (retval) {
361 com_err("inode_init", retval, _("while allocating memory"));
362 exit(1);
363 }
364
365 for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
366 retval = ext2fs_write_inode_full(fs, ino, inode,
367 EXT2_INODE_SIZE(fs->super));
368 if (retval) {
369 com_err("ext2fs_write_inode_full", retval,
370 _("while writing reserved inodes"));
371 exit(1);
372 }
373 }
374
375 ext2fs_free_mem(&inode);
376 }
377
378 static errcode_t packed_allocate_tables(ext2_filsys fs)
379 {
380 errcode_t retval;
381 dgrp_t i;
382 blk64_t goal = 0;
383
384 for (i = 0; i < fs->group_desc_count; i++) {
385 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
386 if (retval)
387 return retval;
388 ext2fs_block_alloc_stats2(fs, goal, +1);
389 ext2fs_block_bitmap_loc_set(fs, i, goal);
390 }
391 for (i = 0; i < fs->group_desc_count; i++) {
392 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
393 if (retval)
394 return retval;
395 ext2fs_block_alloc_stats2(fs, goal, +1);
396 ext2fs_inode_bitmap_loc_set(fs, i, goal);
397 }
398 for (i = 0; i < fs->group_desc_count; i++) {
399 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
400 retval = ext2fs_get_free_blocks2(fs, goal, end,
401 fs->inode_blocks_per_group,
402 fs->block_map, &goal);
403 if (retval)
404 return retval;
405 ext2fs_block_alloc_stats_range(fs, goal,
406 fs->inode_blocks_per_group, +1);
407 ext2fs_inode_table_loc_set(fs, i, goal);
408 ext2fs_group_desc_csum_set(fs, i);
409 }
410 return 0;
411 }
412
413 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
414 {
415 errcode_t retval;
416 blk64_t blk;
417 dgrp_t i;
418 int num;
419 struct ext2fs_numeric_progress_struct progress;
420
421 ext2fs_numeric_progress_init(fs, &progress,
422 _("Writing inode tables: "),
423 fs->group_desc_count);
424
425 for (i = 0; i < fs->group_desc_count; i++) {
426 ext2fs_numeric_progress_update(fs, &progress, i);
427
428 blk = ext2fs_inode_table_loc(fs, i);
429 num = fs->inode_blocks_per_group;
430
431 if (lazy_flag)
432 num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
433 ext2fs_bg_itable_unused(fs, i)) *
434 EXT2_INODE_SIZE(fs->super),
435 EXT2_BLOCK_SIZE(fs->super));
436 if (!lazy_flag || itable_zeroed) {
437 /* The kernel doesn't need to zero the itable blocks */
438 ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
439 ext2fs_group_desc_csum_set(fs, i);
440 }
441 if (!itable_zeroed) {
442 retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
443 if (retval) {
444 fprintf(stderr, _("\nCould not write %d "
445 "blocks in inode table starting at %llu: %s\n"),
446 num, (unsigned long long) blk,
447 error_message(retval));
448 exit(1);
449 }
450 }
451 if (sync_kludge) {
452 if (sync_kludge == 1)
453 io_channel_flush(fs->io);
454 else if ((i % sync_kludge) == 0)
455 io_channel_flush(fs->io);
456 }
457 }
458 ext2fs_numeric_progress_close(fs, &progress,
459 _("done \n"));
460
461 /* Reserved inodes must always have correct checksums */
462 if (ext2fs_has_feature_metadata_csum(fs->super))
463 write_reserved_inodes(fs);
464 }
465
466 static void create_root_dir(ext2_filsys fs)
467 {
468 errcode_t retval;
469 struct ext2_inode inode;
470
471 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
472 if (retval) {
473 com_err("ext2fs_mkdir", retval, "%s",
474 _("while creating root dir"));
475 exit(1);
476 }
477 if (root_uid != 0 || root_gid != 0) {
478 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
479 if (retval) {
480 com_err("ext2fs_read_inode", retval, "%s",
481 _("while reading root inode"));
482 exit(1);
483 }
484
485 inode.i_uid = root_uid;
486 ext2fs_set_i_uid_high(inode, root_uid >> 16);
487 inode.i_gid = root_gid;
488 ext2fs_set_i_gid_high(inode, root_gid >> 16);
489
490 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
491 if (retval) {
492 com_err("ext2fs_write_inode", retval, "%s",
493 _("while setting root inode ownership"));
494 exit(1);
495 }
496 }
497 }
498
499 static void create_lost_and_found(ext2_filsys fs)
500 {
501 unsigned int lpf_size = 0;
502 errcode_t retval;
503 ext2_ino_t ino;
504 const char *name = "lost+found";
505 int i;
506
507 fs->umask = 077;
508 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
509 if (retval) {
510 com_err("ext2fs_mkdir", retval, "%s",
511 _("while creating /lost+found"));
512 exit(1);
513 }
514
515 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
516 if (retval) {
517 com_err("ext2_lookup", retval, "%s",
518 _("while looking up /lost+found"));
519 exit(1);
520 }
521
522 for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
523 /* Ensure that lost+found is at least 2 blocks, so we always
524 * test large empty blocks for big-block filesystems. */
525 if ((lpf_size += fs->blocksize) >= 16*1024 &&
526 lpf_size >= 2 * fs->blocksize)
527 break;
528 retval = ext2fs_expand_dir(fs, ino);
529 if (retval) {
530 com_err("ext2fs_expand_dir", retval, "%s",
531 _("while expanding /lost+found"));
532 exit(1);
533 }
534 }
535 }
536
537 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
538 {
539 errcode_t retval;
540
541 ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
542 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
543 retval = ext2fs_update_bb_inode(fs, bb_list);
544 if (retval) {
545 com_err("ext2fs_update_bb_inode", retval, "%s",
546 _("while setting bad block inode"));
547 exit(1);
548 }
549
550 }
551
552 static void reserve_inodes(ext2_filsys fs)
553 {
554 ext2_ino_t i;
555
556 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
557 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
558 ext2fs_mark_ib_dirty(fs);
559 }
560
561 #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
562 #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */
563 #define BSD_LABEL_OFFSET 64
564
565 static void zap_sector(ext2_filsys fs, int sect, int nsect)
566 {
567 char *buf;
568 int retval;
569 unsigned int *magic;
570
571 buf = calloc(512, nsect);
572 if (!buf) {
573 printf(_("Out of memory erasing sectors %d-%d\n"),
574 sect, sect + nsect - 1);
575 exit(1);
576 }
577
578 if (sect == 0) {
579 /* Check for a BSD disklabel, and don't erase it if so */
580 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
581 if (retval)
582 fprintf(stderr,
583 _("Warning: could not read block 0: %s\n"),
584 error_message(retval));
585 else {
586 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
587 if ((*magic == BSD_DISKMAGIC) ||
588 (*magic == BSD_MAGICDISK)) {
589 free(buf);
590 return;
591 }
592 }
593 }
594
595 memset(buf, 0, 512*nsect);
596 io_channel_set_blksize(fs->io, 512);
597 retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
598 io_channel_set_blksize(fs->io, fs->blocksize);
599 free(buf);
600 if (retval)
601 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
602 sect, error_message(retval));
603 }
604
605 static void create_journal_dev(ext2_filsys fs)
606 {
607 struct ext2fs_numeric_progress_struct progress;
608 errcode_t retval;
609 char *buf;
610 blk64_t blk, err_blk;
611 int c, count, err_count;
612 struct ext2fs_journal_params jparams;
613
614 retval = ext2fs_get_journal_params(&jparams, fs);
615 if (retval) {
616 com_err("create_journal_dev", retval, "%s",
617 _("while splitting the journal size"));
618 exit(1);
619 }
620
621 retval = ext2fs_create_journal_superblock2(fs, &jparams, 0, &buf);
622 if (retval) {
623 com_err("create_journal_dev", retval, "%s",
624 _("while initializing journal superblock"));
625 exit(1);
626 }
627
628 if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
629 goto write_superblock;
630
631 ext2fs_numeric_progress_init(fs, &progress,
632 _("Zeroing journal device: "),
633 ext2fs_blocks_count(fs->super));
634 blk = 0;
635 count = ext2fs_blocks_count(fs->super);
636 while (count > 0) {
637 if (count > 1024)
638 c = 1024;
639 else
640 c = count;
641 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
642 if (retval) {
643 com_err("create_journal_dev", retval,
644 _("while zeroing journal device "
645 "(block %llu, count %d)"),
646 (unsigned long long) err_blk, err_count);
647 exit(1);
648 }
649 blk += c;
650 count -= c;
651 ext2fs_numeric_progress_update(fs, &progress, blk);
652 }
653
654 ext2fs_numeric_progress_close(fs, &progress, NULL);
655 write_superblock:
656 retval = io_channel_write_blk64(fs->io,
657 fs->super->s_first_data_block+1,
658 1, buf);
659 (void) ext2fs_free_mem(&buf);
660 if (retval) {
661 com_err("create_journal_dev", retval, "%s",
662 _("while writing journal superblock"));
663 exit(1);
664 }
665 }
666
667 static void show_stats(ext2_filsys fs)
668 {
669 struct ext2_super_block *s = fs->super;
670 char *os;
671 blk64_t group_block;
672 dgrp_t i;
673 int need, col_left;
674
675 if (!verbose) {
676 printf(_("Creating filesystem with %llu %dk blocks and "
677 "%u inodes\n"),
678 (unsigned long long) ext2fs_blocks_count(s),
679 fs->blocksize >> 10, s->s_inodes_count);
680 goto skip_details;
681 }
682
683 if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
684 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
685 (unsigned long long) (ext2fs_blocks_count(&fs_param) -
686 ext2fs_blocks_count(s)));
687
688 printf(_("Filesystem label=%.*s\n"), EXT2_LEN_STR(s->s_volume_name));
689
690 os = e2p_os2string(fs->super->s_creator_os);
691 if (os)
692 printf(_("OS type: %s\n"), os);
693 free(os);
694 printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
695 s->s_log_block_size);
696 if (ext2fs_has_feature_bigalloc(fs->super))
697 printf(_("Cluster size=%u (log=%u)\n"),
698 fs->blocksize << fs->cluster_ratio_bits,
699 s->s_log_cluster_size);
700 else
701 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
702 s->s_log_cluster_size);
703 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
704 s->s_raid_stride, s->s_raid_stripe_width);
705 printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
706 (unsigned long long) ext2fs_blocks_count(s));
707 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
708 (unsigned long long) ext2fs_r_blocks_count(s),
709 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
710 printf(_("First data block=%u\n"), s->s_first_data_block);
711 if (root_uid != 0 || root_gid != 0)
712 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
713 if (s->s_reserved_gdt_blocks)
714 printf(_("Maximum filesystem blocks=%lu\n"),
715 (s->s_reserved_gdt_blocks + fs->desc_blocks) *
716 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
717 if (fs->group_desc_count > 1)
718 printf(_("%u block groups\n"), fs->group_desc_count);
719 else
720 printf(_("%u block group\n"), fs->group_desc_count);
721 if (ext2fs_has_feature_bigalloc(fs->super))
722 printf(_("%u blocks per group, %u clusters per group\n"),
723 s->s_blocks_per_group, s->s_clusters_per_group);
724 else
725 printf(_("%u blocks per group, %u fragments per group\n"),
726 s->s_blocks_per_group, s->s_clusters_per_group);
727 printf(_("%u inodes per group\n"), s->s_inodes_per_group);
728
729 skip_details:
730 if (fs->group_desc_count == 1) {
731 printf("\n");
732 return;
733 }
734
735 if (!e2p_is_null_uuid(s->s_uuid))
736 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
737 printf("%s", _("Superblock backups stored on blocks: "));
738 group_block = s->s_first_data_block;
739 col_left = 0;
740 for (i = 1; i < fs->group_desc_count; i++) {
741 group_block += s->s_blocks_per_group;
742 if (!ext2fs_bg_has_super(fs, i))
743 continue;
744 if (i != 1)
745 printf(", ");
746 need = int_log10(group_block) + 2;
747 if (need > col_left) {
748 printf("\n\t");
749 col_left = 72;
750 }
751 col_left -= need;
752 printf("%llu", (unsigned long long) group_block);
753 }
754 printf("\n\n");
755 }
756
757 /*
758 * Returns true if making a file system for the Hurd, else 0
759 */
760 static int for_hurd(const char *os)
761 {
762 if (!os) {
763 #ifdef __GNU__
764 return 1;
765 #else
766 return 0;
767 #endif
768 }
769 if (isdigit(*os))
770 return (atoi(os) == EXT2_OS_HURD);
771 return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
772 }
773
774 /*
775 * Set the S_CREATOR_OS field. Return true if OS is known,
776 * otherwise, 0.
777 */
778 static int set_os(struct ext2_super_block *sb, char *os)
779 {
780 if (isdigit (*os))
781 sb->s_creator_os = atoi (os);
782 else if (strcasecmp(os, "linux") == 0)
783 sb->s_creator_os = EXT2_OS_LINUX;
784 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
785 sb->s_creator_os = EXT2_OS_HURD;
786 else if (strcasecmp(os, "freebsd") == 0)
787 sb->s_creator_os = EXT2_OS_FREEBSD;
788 else if (strcasecmp(os, "lites") == 0)
789 sb->s_creator_os = EXT2_OS_LITES;
790 else
791 return 0;
792 return 1;
793 }
794
795 #define PATH_SET "PATH=/sbin"
796
797 static void parse_extended_opts(struct ext2_super_block *param,
798 const char *opts)
799 {
800 char *buf, *token, *next, *p, *arg, *badopt = 0;
801 int len;
802 int r_usage = 0;
803 int ret;
804 int encoding = -1;
805 char *encoding_flags = NULL;
806
807 len = strlen(opts);
808 buf = malloc(len+1);
809 if (!buf) {
810 fprintf(stderr, "%s",
811 _("Couldn't allocate memory to parse options!\n"));
812 exit(1);
813 }
814 strcpy(buf, opts);
815 for (token = buf; token && *token; token = next) {
816 p = strchr(token, ',');
817 next = 0;
818 if (p) {
819 *p = 0;
820 next = p+1;
821 }
822 arg = strchr(token, '=');
823 if (arg) {
824 *arg = 0;
825 arg++;
826 }
827 if (strcmp(token, "desc-size") == 0 ||
828 strcmp(token, "desc_size") == 0) {
829 int desc_size;
830
831 if (!ext2fs_has_feature_64bit(&fs_param)) {
832 fprintf(stderr,
833 _("%s requires '-O 64bit'\n"), token);
834 r_usage++;
835 continue;
836 }
837 if (param->s_reserved_gdt_blocks != 0) {
838 fprintf(stderr,
839 _("'%s' must be before 'resize=%u'\n"),
840 token, param->s_reserved_gdt_blocks);
841 r_usage++;
842 continue;
843 }
844 if (!arg) {
845 r_usage++;
846 badopt = token;
847 continue;
848 }
849 desc_size = strtoul(arg, &p, 0);
850 if (*p || (desc_size & (desc_size - 1))) {
851 fprintf(stderr,
852 _("Invalid desc_size: '%s'\n"), arg);
853 r_usage++;
854 continue;
855 }
856 param->s_desc_size = desc_size;
857 } else if (strcmp(token, "hash_seed") == 0) {
858 if (!arg) {
859 r_usage++;
860 badopt = token;
861 continue;
862 }
863 if (uuid_parse(arg,
864 (unsigned char *)param->s_hash_seed) != 0) {
865 fprintf(stderr,
866 _("Invalid hash seed: %s\n"), arg);
867 r_usage++;
868 continue;
869 }
870 } else if (strcmp(token, "offset") == 0) {
871 if (!arg) {
872 r_usage++;
873 badopt = token;
874 continue;
875 }
876 offset = strtoull(arg, &p, 0);
877 if (*p) {
878 fprintf(stderr, _("Invalid offset: %s\n"),
879 arg);
880 r_usage++;
881 continue;
882 }
883 } else if (strcmp(token, "mmp_update_interval") == 0) {
884 if (!arg) {
885 r_usage++;
886 badopt = token;
887 continue;
888 }
889 param->s_mmp_update_interval = strtoul(arg, &p, 0);
890 if (*p) {
891 fprintf(stderr,
892 _("Invalid mmp_update_interval: %s\n"),
893 arg);
894 r_usage++;
895 continue;
896 }
897 } else if (strcmp(token, "no_copy_xattrs") == 0) {
898 no_copy_xattrs = 1;
899 continue;
900 } else if (strcmp(token, "num_backup_sb") == 0) {
901 if (!arg) {
902 r_usage++;
903 badopt = token;
904 continue;
905 }
906 num_backups = strtoul(arg, &p, 0);
907 if (*p || num_backups > 2) {
908 fprintf(stderr,
909 _("Invalid # of backup "
910 "superblocks: %s\n"),
911 arg);
912 r_usage++;
913 continue;
914 }
915 } else if (strcmp(token, "packed_meta_blocks") == 0) {
916 if (arg)
917 packed_meta_blocks = strtoul(arg, &p, 0);
918 else
919 packed_meta_blocks = 1;
920 if (packed_meta_blocks)
921 journal_location = 0;
922 } else if (strcmp(token, "stride") == 0) {
923 if (!arg) {
924 r_usage++;
925 badopt = token;
926 continue;
927 }
928 param->s_raid_stride = strtoul(arg, &p, 0);
929 if (*p) {
930 fprintf(stderr,
931 _("Invalid stride parameter: %s\n"),
932 arg);
933 r_usage++;
934 continue;
935 }
936 } else if (strcmp(token, "stripe-width") == 0 ||
937 strcmp(token, "stripe_width") == 0) {
938 if (!arg) {
939 r_usage++;
940 badopt = token;
941 continue;
942 }
943 param->s_raid_stripe_width = strtoul(arg, &p, 0);
944 if (*p) {
945 fprintf(stderr,
946 _("Invalid stripe-width parameter: %s\n"),
947 arg);
948 r_usage++;
949 continue;
950 }
951 } else if (!strcmp(token, "resize")) {
952 blk64_t resize;
953 unsigned long bpg, rsv_groups;
954 unsigned long group_desc_count, desc_blocks;
955 unsigned int gdpb, blocksize;
956 int rsv_gdb;
957
958 if (!arg) {
959 r_usage++;
960 badopt = token;
961 continue;
962 }
963
964 resize = parse_num_blocks2(arg,
965 param->s_log_block_size);
966
967 if (resize == 0) {
968 fprintf(stderr,
969 _("Invalid resize parameter: %s\n"),
970 arg);
971 r_usage++;
972 continue;
973 }
974 if (resize <= ext2fs_blocks_count(param)) {
975 fprintf(stderr, "%s",
976 _("The resize maximum must be greater "
977 "than the filesystem size.\n"));
978 r_usage++;
979 continue;
980 }
981
982 blocksize = EXT2_BLOCK_SIZE(param);
983 bpg = param->s_blocks_per_group;
984 if (!bpg)
985 bpg = blocksize * 8;
986 gdpb = EXT2_DESC_PER_BLOCK(param);
987 group_desc_count = (__u32) ext2fs_div64_ceil(
988 ext2fs_blocks_count(param), bpg);
989 desc_blocks = (group_desc_count +
990 gdpb - 1) / gdpb;
991 rsv_groups = ext2fs_div64_ceil(resize, bpg);
992 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
993 desc_blocks;
994 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
995 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
996
997 if (rsv_gdb > 0) {
998 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
999 fprintf(stderr, "%s",
1000 _("On-line resizing not supported with revision 0 filesystems\n"));
1001 free(buf);
1002 exit(1);
1003 }
1004 ext2fs_set_feature_resize_inode(param);
1005
1006 param->s_reserved_gdt_blocks = rsv_gdb;
1007 }
1008 } else if (!strcmp(token, "test_fs")) {
1009 param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
1010 } else if (!strcmp(token, "lazy_itable_init")) {
1011 if (arg)
1012 lazy_itable_init = strtoul(arg, &p, 0);
1013 else
1014 lazy_itable_init = 1;
1015 } else if (!strcmp(token, "lazy_journal_init")) {
1016 if (arg)
1017 journal_flags |= strtoul(arg, &p, 0) ?
1018 EXT2_MKJOURNAL_LAZYINIT : 0;
1019 else
1020 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
1021 } else if (!strcmp(token, "root_owner")) {
1022 if (arg) {
1023 root_uid = strtoul(arg, &p, 0);
1024 if (*p != ':') {
1025 fprintf(stderr,
1026 _("Invalid root_owner: '%s'\n"),
1027 arg);
1028 r_usage++;
1029 continue;
1030 }
1031 p++;
1032 root_gid = strtoul(p, &p, 0);
1033 if (*p) {
1034 fprintf(stderr,
1035 _("Invalid root_owner: '%s'\n"),
1036 arg);
1037 r_usage++;
1038 continue;
1039 }
1040 } else {
1041 root_uid = getuid();
1042 root_gid = getgid();
1043 }
1044 } else if (!strcmp(token, "discard")) {
1045 discard = 1;
1046 } else if (!strcmp(token, "nodiscard")) {
1047 discard = 0;
1048 } else if (!strcmp(token, "quotatype")) {
1049 char *errtok = NULL;
1050
1051 if (!arg) {
1052 r_usage++;
1053 badopt = token;
1054 continue;
1055 }
1056 quotatype_bits = 0;
1057 ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1058 if (ret) {
1059 if (errtok) {
1060 fprintf(stderr,
1061 "Failed to parse quota type at %s", errtok);
1062 free(errtok);
1063 } else
1064 com_err(program_name, ret,
1065 "while parsing quota type");
1066 r_usage++;
1067 badopt = token;
1068 continue;
1069 }
1070 } else if (!strcmp(token, "android_sparse")) {
1071 android_sparse_file = 1;
1072 } else if (!strcmp(token, "encoding")) {
1073 if (!arg) {
1074 r_usage++;
1075 continue;
1076 }
1077
1078 encoding = e2p_str2encoding(arg);
1079 if (encoding < 0) {
1080 fprintf(stderr, _("Invalid encoding: %s"), arg);
1081 r_usage++;
1082 continue;
1083 }
1084 param->s_encoding = encoding;
1085 ext2fs_set_feature_casefold(param);
1086 } else if (!strcmp(token, "encoding_flags")) {
1087 if (!arg) {
1088 r_usage++;
1089 continue;
1090 }
1091 encoding_flags = arg;
1092 } else {
1093 r_usage++;
1094 badopt = token;
1095 }
1096 }
1097 if (r_usage) {
1098 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1099 "Extended options are separated by commas, "
1100 "and may take an argument which\n"
1101 "\tis set off by an equals ('=') sign.\n\n"
1102 "Valid extended options are:\n"
1103 "\tmmp_update_interval=<interval>\n"
1104 "\tnum_backup_sb=<0|1|2>\n"
1105 "\tstride=<RAID per-disk data chunk in blocks>\n"
1106 "\tstripe-width=<RAID stride * data disks in blocks>\n"
1107 "\toffset=<offset to create the file system>\n"
1108 "\tresize=<resize maximum size in blocks>\n"
1109 "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1110 "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1111 "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1112 "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1113 "\ttest_fs\n"
1114 "\tdiscard\n"
1115 "\tnodiscard\n"
1116 "\tencoding=<encoding>\n"
1117 "\tencoding_flags=<flags>\n"
1118 "\tquotatype=<quota type(s) to be enabled>\n\n"),
1119 badopt ? badopt : "");
1120 free(buf);
1121 exit(1);
1122 }
1123 if (param->s_raid_stride &&
1124 (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1125 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1126 "multiple of stride %u.\n\n"),
1127 param->s_raid_stripe_width, param->s_raid_stride);
1128
1129 if (ext2fs_has_feature_casefold(param)) {
1130 param->s_encoding_flags =
1131 e2p_get_encoding_flags(param->s_encoding);
1132
1133 if (encoding_flags &&
1134 e2p_str2encoding_flags(param->s_encoding, encoding_flags,
1135 &param->s_encoding_flags)) {
1136 fprintf(stderr, _("error: Invalid encoding flag: %s\n"),
1137 encoding_flags);
1138 free(buf);
1139 exit(1);
1140 }
1141 } else if (encoding_flags) {
1142 fprintf(stderr, _("error: An encoding must be explicitly "
1143 "specified when passing encoding-flags\n"));
1144 free(buf);
1145 exit(1);
1146 }
1147
1148 free(buf);
1149 }
1150
1151 static __u32 ok_features[3] = {
1152 /* Compat */
1153 EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1154 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1155 EXT2_FEATURE_COMPAT_DIR_INDEX |
1156 EXT2_FEATURE_COMPAT_EXT_ATTR |
1157 EXT4_FEATURE_COMPAT_SPARSE_SUPER2 |
1158 EXT4_FEATURE_COMPAT_FAST_COMMIT |
1159 EXT4_FEATURE_COMPAT_STABLE_INODES,
1160 /* Incompat */
1161 EXT2_FEATURE_INCOMPAT_FILETYPE|
1162 EXT3_FEATURE_INCOMPAT_EXTENTS|
1163 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1164 EXT2_FEATURE_INCOMPAT_META_BG|
1165 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1166 EXT4_FEATURE_INCOMPAT_EA_INODE|
1167 EXT4_FEATURE_INCOMPAT_MMP |
1168 EXT4_FEATURE_INCOMPAT_64BIT|
1169 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1170 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1171 EXT4_FEATURE_INCOMPAT_CASEFOLD |
1172 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1173 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1174 /* R/O compat */
1175 EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1176 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1177 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1178 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1179 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1180 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1181 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1182 EXT4_FEATURE_RO_COMPAT_QUOTA|
1183 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1184 EXT4_FEATURE_RO_COMPAT_PROJECT|
1185 EXT4_FEATURE_RO_COMPAT_VERITY
1186 };
1187
1188
1189 static void syntax_err_report(const char *filename, long err, int line_num)
1190 {
1191 fprintf(stderr,
1192 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1193 filename, line_num, error_message(err));
1194 exit(1);
1195 }
1196
1197 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1198
1199 static void edit_feature(const char *str, __u32 *compat_array)
1200 {
1201 if (!str)
1202 return;
1203
1204 if (e2p_edit_feature(str, compat_array, ok_features)) {
1205 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1206 str);
1207 exit(1);
1208 }
1209 }
1210
1211 static void edit_mntopts(const char *str, __u32 *mntopts)
1212 {
1213 if (!str)
1214 return;
1215
1216 if (e2p_edit_mntopts(str, mntopts, ~0)) {
1217 fprintf(stderr, _("Invalid mount option set: %s\n"),
1218 str);
1219 exit(1);
1220 }
1221 }
1222
1223 struct str_list {
1224 char **list;
1225 int num;
1226 int max;
1227 };
1228
1229 static errcode_t init_list(struct str_list *sl)
1230 {
1231 sl->num = 0;
1232 sl->max = 1;
1233 sl->list = malloc((sl->max+1) * sizeof(char *));
1234 if (!sl->list)
1235 return ENOMEM;
1236 sl->list[0] = 0;
1237 return 0;
1238 }
1239
1240 static errcode_t push_string(struct str_list *sl, const char *str)
1241 {
1242 char **new_list;
1243
1244 if (sl->num >= sl->max) {
1245 sl->max += 2;
1246 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1247 if (!new_list)
1248 return ENOMEM;
1249 sl->list = new_list;
1250 }
1251 sl->list[sl->num] = malloc(strlen(str)+1);
1252 if (sl->list[sl->num] == 0)
1253 return ENOMEM;
1254 strcpy(sl->list[sl->num], str);
1255 sl->num++;
1256 sl->list[sl->num] = 0;
1257 return 0;
1258 }
1259
1260 static void print_str_list(char **list)
1261 {
1262 char **cpp;
1263
1264 for (cpp = list; *cpp; cpp++) {
1265 printf("'%s'", *cpp);
1266 if (cpp[1])
1267 fputs(", ", stdout);
1268 }
1269 fputc('\n', stdout);
1270 }
1271
1272 /*
1273 * Return TRUE if the profile has the given subsection
1274 */
1275 static int profile_has_subsection(profile_t prof, const char *section,
1276 const char *subsection)
1277 {
1278 void *state;
1279 const char *names[4];
1280 char *name;
1281 int ret = 0;
1282
1283 names[0] = section;
1284 names[1] = subsection;
1285 names[2] = 0;
1286
1287 if (profile_iterator_create(prof, names,
1288 PROFILE_ITER_LIST_SECTION |
1289 PROFILE_ITER_RELATIONS_ONLY, &state))
1290 return 0;
1291
1292 if ((profile_iterator(&state, &name, 0) == 0) && name) {
1293 free(name);
1294 ret = 1;
1295 }
1296
1297 profile_iterator_free(&state);
1298 return ret;
1299 }
1300
1301 static char **parse_fs_type(const char *fs_type,
1302 const char *usage_types,
1303 struct ext2_super_block *sb,
1304 blk64_t fs_blocks_count,
1305 char *progname)
1306 {
1307 const char *ext_type = 0;
1308 char *parse_str;
1309 char *profile_type = 0;
1310 char *cp, *t;
1311 const char *size_type;
1312 struct str_list list;
1313 unsigned long long meg;
1314 int is_hurd = for_hurd(creator_os);
1315
1316 if (init_list(&list))
1317 return 0;
1318
1319 if (fs_type)
1320 ext_type = fs_type;
1321 else if (is_hurd)
1322 ext_type = "ext2";
1323 else if (!strcmp(program_name, "mke3fs"))
1324 ext_type = "ext3";
1325 else if (!strcmp(program_name, "mke4fs"))
1326 ext_type = "ext4";
1327 else if (progname) {
1328 ext_type = strrchr(progname, '/');
1329 if (ext_type)
1330 ext_type++;
1331 else
1332 ext_type = progname;
1333
1334 if (!strncmp(ext_type, "mkfs.", 5)) {
1335 ext_type += 5;
1336 if (ext_type[0] == 0)
1337 ext_type = 0;
1338 } else
1339 ext_type = 0;
1340 }
1341
1342 if (!ext_type) {
1343 profile_get_string(profile, "defaults", "fs_type", 0,
1344 "ext2", &profile_type);
1345 ext_type = profile_type;
1346 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1347 ext_type = "ext3";
1348 }
1349
1350
1351 if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1352 strcmp(ext_type, "ext2")) {
1353 printf(_("\nYour mke2fs.conf file does not define the "
1354 "%s filesystem type.\n"), ext_type);
1355 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1356 !strcmp(ext_type, "ext4dev")) {
1357 printf("%s", _("You probably need to install an "
1358 "updated mke2fs.conf file.\n\n"));
1359 }
1360 if (!force) {
1361 printf("%s", _("Aborting...\n"));
1362 exit(1);
1363 }
1364 }
1365
1366 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1367 if (fs_blocks_count < 3 * meg)
1368 size_type = "floppy";
1369 else if (fs_blocks_count < 512 * meg)
1370 size_type = "small";
1371 else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1372 size_type = "default";
1373 else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1374 size_type = "big";
1375 else
1376 size_type = "huge";
1377
1378 if (!usage_types)
1379 usage_types = size_type;
1380
1381 parse_str = malloc(strlen(usage_types)+1);
1382 if (!parse_str) {
1383 free(profile_type);
1384 free(list.list);
1385 return 0;
1386 }
1387 strcpy(parse_str, usage_types);
1388
1389 if (ext_type)
1390 push_string(&list, ext_type);
1391 cp = parse_str;
1392 while (1) {
1393 t = strchr(cp, ',');
1394 if (t)
1395 *t = '\0';
1396
1397 if (*cp) {
1398 if (profile_has_subsection(profile, "fs_types", cp))
1399 push_string(&list, cp);
1400 else if (strcmp(cp, "default") != 0)
1401 fprintf(stderr,
1402 _("\nWarning: the fs_type %s is not "
1403 "defined in mke2fs.conf\n\n"),
1404 cp);
1405 }
1406 if (t)
1407 cp = t+1;
1408 else
1409 break;
1410 }
1411 free(parse_str);
1412 free(profile_type);
1413 if (is_hurd)
1414 push_string(&list, "hurd");
1415 return (list.list);
1416 }
1417
1418 char *get_string_from_profile(char **types, const char *opt,
1419 const char *def_val)
1420 {
1421 char *ret = 0;
1422 int i;
1423
1424 for (i=0; types[i]; i++);
1425 for (i-=1; i >=0 ; i--) {
1426 profile_get_string(profile, "fs_types", types[i],
1427 opt, 0, &ret);
1428 if (ret)
1429 return ret;
1430 }
1431 profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1432 return (ret);
1433 }
1434
1435 int get_int_from_profile(char **types, const char *opt, int def_val)
1436 {
1437 int ret;
1438 char **cpp;
1439
1440 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1441 for (cpp = types; *cpp; cpp++)
1442 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1443 return ret;
1444 }
1445
1446 static unsigned int get_uint_from_profile(char **types, const char *opt,
1447 unsigned int def_val)
1448 {
1449 unsigned int ret;
1450 char **cpp;
1451
1452 profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1453 for (cpp = types; *cpp; cpp++)
1454 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1455 return ret;
1456 }
1457
1458 static double get_double_from_profile(char **types, const char *opt,
1459 double def_val)
1460 {
1461 double ret;
1462 char **cpp;
1463
1464 profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1465 for (cpp = types; *cpp; cpp++)
1466 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1467 return ret;
1468 }
1469
1470 int get_bool_from_profile(char **types, const char *opt, int def_val)
1471 {
1472 int ret;
1473 char **cpp;
1474
1475 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1476 for (cpp = types; *cpp; cpp++)
1477 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1478 return ret;
1479 }
1480
1481 extern const char *mke2fs_default_profile;
1482 static const char *default_files[] = { "<default>", 0 };
1483
1484 struct device_param {
1485 unsigned long min_io; /* prefered minimum IO size */
1486 unsigned long opt_io; /* optimal IO size */
1487 unsigned long alignment_offset; /* alignment offset wrt physical block size */
1488 unsigned int dax:1; /* supports dax? */
1489 };
1490
1491 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1492 /*
1493 * Sets the geometry of a device (stripe/stride), and returns the
1494 * device's alignment offset, if any, or a negative error.
1495 */
1496 static int get_device_geometry(const char *file,
1497 unsigned int blocksize,
1498 unsigned int psector_size,
1499 struct device_param *dev_param)
1500 {
1501 int rc = -1;
1502 blkid_probe pr;
1503 blkid_topology tp;
1504 struct stat statbuf;
1505
1506 memset(dev_param, 0, sizeof(*dev_param));
1507
1508 /* Nothing to do for a regular file */
1509 if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1510 return 0;
1511
1512 pr = blkid_new_probe_from_filename(file);
1513 if (!pr)
1514 goto out;
1515
1516 tp = blkid_probe_get_topology(pr);
1517 if (!tp)
1518 goto out;
1519
1520 dev_param->min_io = blkid_topology_get_minimum_io_size(tp);
1521 dev_param->opt_io = blkid_topology_get_optimal_io_size(tp);
1522 if ((dev_param->min_io == 0) && (psector_size > blocksize))
1523 dev_param->min_io = psector_size;
1524 if ((dev_param->opt_io == 0) && dev_param->min_io > 0)
1525 dev_param->opt_io = dev_param->min_io;
1526 if ((dev_param->opt_io == 0) && (psector_size > blocksize))
1527 dev_param->opt_io = psector_size;
1528
1529 dev_param->alignment_offset = blkid_topology_get_alignment_offset(tp);
1530 #ifdef HAVE_BLKID_TOPOLOGY_GET_DAX
1531 dev_param->dax = blkid_topology_get_dax(tp);
1532 #endif
1533 rc = 0;
1534 out:
1535 blkid_free_probe(pr);
1536 return rc;
1537 }
1538 #endif
1539
1540 static void PRS(int argc, char *argv[])
1541 {
1542 int b, c, flags;
1543 int cluster_size = 0;
1544 char *tmp, **cpp;
1545 int explicit_fssize = 0;
1546 int blocksize = 0;
1547 int inode_ratio = 0;
1548 int inode_size = 0;
1549 unsigned long flex_bg_size = 0;
1550 double reserved_ratio = -1.0;
1551 int lsector_size = 0, psector_size = 0;
1552 int show_version_only = 0, is_device = 0;
1553 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1554 errcode_t retval;
1555 char * oldpath = getenv("PATH");
1556 char * extended_opts = 0;
1557 char * fs_type = 0;
1558 char * usage_types = 0;
1559 /*
1560 * NOTE: A few words about fs_blocks_count and blocksize:
1561 *
1562 * Initially, blocksize is set to zero, which implies 1024.
1563 * If -b is specified, blocksize is updated to the user's value.
1564 *
1565 * Next, the device size or the user's "blocks" command line argument
1566 * is used to set fs_blocks_count; the units are blocksize.
1567 *
1568 * Later, if blocksize hasn't been set and the profile specifies a
1569 * blocksize, then blocksize is updated and fs_blocks_count is scaled
1570 * appropriately. Note the change in units!
1571 *
1572 * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1573 */
1574 blk64_t fs_blocks_count = 0;
1575 long sysval;
1576 int s_opt = -1, r_opt = -1;
1577 char *fs_features = 0;
1578 int fs_features_size = 0;
1579 int use_bsize;
1580 char *newpath;
1581 int pathlen = sizeof(PATH_SET) + 1;
1582 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1583 struct device_param dev_param;
1584 #endif
1585
1586 if (oldpath)
1587 pathlen += strlen(oldpath);
1588 newpath = malloc(pathlen);
1589 if (!newpath) {
1590 fprintf(stderr, "%s",
1591 _("Couldn't allocate memory for new PATH.\n"));
1592 exit(1);
1593 }
1594 strcpy(newpath, PATH_SET);
1595
1596 /* Update our PATH to include /sbin */
1597 if (oldpath) {
1598 strcat (newpath, ":");
1599 strcat (newpath, oldpath);
1600 }
1601 putenv (newpath);
1602
1603 /* Determine the system page size if possible */
1604 #ifdef HAVE_SYSCONF
1605 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1606 #define _SC_PAGESIZE _SC_PAGE_SIZE
1607 #endif
1608 #ifdef _SC_PAGESIZE
1609 sysval = sysconf(_SC_PAGESIZE);
1610 if (sysval > 0)
1611 sys_page_size = sysval;
1612 #endif /* _SC_PAGESIZE */
1613 #endif /* HAVE_SYSCONF */
1614
1615 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1616 config_fn[0] = tmp;
1617 profile_set_syntax_err_cb(syntax_err_report);
1618 retval = profile_init(config_fn, &profile);
1619 if (retval == ENOENT) {
1620 retval = profile_init(default_files, &profile);
1621 if (retval)
1622 goto profile_error;
1623 retval = profile_set_default(profile, mke2fs_default_profile);
1624 if (retval)
1625 goto profile_error;
1626 } else if (retval) {
1627 profile_error:
1628 fprintf(stderr, _("Couldn't init profile successfully"
1629 " (error: %ld).\n"), retval);
1630 exit(1);
1631 }
1632
1633 setbuf(stdout, NULL);
1634 setbuf(stderr, NULL);
1635 add_error_table(&et_ext2_error_table);
1636 add_error_table(&et_prof_error_table);
1637 memset(&fs_param, 0, sizeof(struct ext2_super_block));
1638 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */
1639
1640 if (is_before_linux_ver(2, 2, 0))
1641 fs_param.s_rev_level = 0;
1642
1643 if (argc && *argv) {
1644 program_name = get_progname(*argv);
1645
1646 /* If called as mkfs.ext3, create a journal inode */
1647 if (!strcmp(program_name, "mkfs.ext3") ||
1648 !strcmp(program_name, "mke3fs"))
1649 journal_size = -1;
1650 }
1651
1652 while ((c = getopt (argc, argv,
1653 "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) {
1654 switch (c) {
1655 case 'b':
1656 blocksize = parse_num_blocks2(optarg, -1);
1657 b = (blocksize > 0) ? blocksize : -blocksize;
1658 if (b < EXT2_MIN_BLOCK_SIZE ||
1659 b > EXT2_MAX_BLOCK_SIZE) {
1660 com_err(program_name, 0,
1661 _("invalid block size - %s"), optarg);
1662 exit(1);
1663 }
1664 if (blocksize > 4096)
1665 fprintf(stderr, _("Warning: blocksize %d not "
1666 "usable on most systems.\n"),
1667 blocksize);
1668 if (blocksize > 0)
1669 fs_param.s_log_block_size =
1670 int_log2(blocksize >>
1671 EXT2_MIN_BLOCK_LOG_SIZE);
1672 break;
1673 case 'c': /* Check for bad blocks */
1674 cflag++;
1675 break;
1676 case 'C':
1677 cluster_size = parse_num_blocks2(optarg, -1);
1678 if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1679 cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1680 com_err(program_name, 0,
1681 _("invalid cluster size - %s"),
1682 optarg);
1683 exit(1);
1684 }
1685 break;
1686 case 'd':
1687 src_root_dir = optarg;
1688 break;
1689 case 'D':
1690 direct_io = 1;
1691 break;
1692 case 'R':
1693 com_err(program_name, 0, "%s",
1694 _("'-R' is deprecated, use '-E' instead"));
1695 /* fallthrough */
1696 case 'E':
1697 extended_opts = optarg;
1698 break;
1699 case 'e':
1700 if (strcmp(optarg, "continue") == 0)
1701 errors_behavior = EXT2_ERRORS_CONTINUE;
1702 else if (strcmp(optarg, "remount-ro") == 0)
1703 errors_behavior = EXT2_ERRORS_RO;
1704 else if (strcmp(optarg, "panic") == 0)
1705 errors_behavior = EXT2_ERRORS_PANIC;
1706 else {
1707 com_err(program_name, 0,
1708 _("bad error behavior - %s"),
1709 optarg);
1710 usage();
1711 }
1712 break;
1713 case 'F':
1714 force++;
1715 break;
1716 case 'g':
1717 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1718 if (*tmp) {
1719 com_err(program_name, 0, "%s",
1720 _("Illegal number for blocks per group"));
1721 exit(1);
1722 }
1723 if ((fs_param.s_blocks_per_group % 8) != 0) {
1724 com_err(program_name, 0, "%s",
1725 _("blocks per group must be multiple of 8"));
1726 exit(1);
1727 }
1728 break;
1729 case 'G':
1730 flex_bg_size = strtoul(optarg, &tmp, 0);
1731 if (*tmp) {
1732 com_err(program_name, 0, "%s",
1733 _("Illegal number for flex_bg size"));
1734 exit(1);
1735 }
1736 if (flex_bg_size < 1 ||
1737 (flex_bg_size & (flex_bg_size-1)) != 0) {
1738 com_err(program_name, 0, "%s",
1739 _("flex_bg size must be a power of 2"));
1740 exit(1);
1741 }
1742 if (flex_bg_size > MAX_32_NUM) {
1743 com_err(program_name, 0,
1744 _("flex_bg size (%lu) must be less than"
1745 " or equal to 2^31"), flex_bg_size);
1746 exit(1);
1747 }
1748 break;
1749 case 'i':
1750 inode_ratio = parse_num_blocks(optarg, -1);
1751 if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1752 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1753 com_err(program_name, 0,
1754 _("invalid inode ratio %s (min %d/max %d)"),
1755 optarg, EXT2_MIN_BLOCK_SIZE,
1756 EXT2_MAX_BLOCK_SIZE * 1024);
1757 exit(1);
1758 }
1759 break;
1760 case 'I':
1761 inode_size = strtoul(optarg, &tmp, 0);
1762 if (*tmp) {
1763 com_err(program_name, 0,
1764 _("invalid inode size - %s"), optarg);
1765 exit(1);
1766 }
1767 break;
1768 case 'j':
1769 if (!journal_size)
1770 journal_size = -1;
1771 if (!journal_fc_size)
1772 journal_fc_size = -1;
1773 break;
1774 case 'J':
1775 parse_journal_opts(optarg);
1776 break;
1777 case 'K':
1778 fprintf(stderr, "%s",
1779 _("Warning: -K option is deprecated and "
1780 "should not be used anymore. Use "
1781 "\'-E nodiscard\' extended option "
1782 "instead!\n"));
1783 discard = 0;
1784 break;
1785 case 'l':
1786 bad_blocks_filename = realloc(bad_blocks_filename,
1787 strlen(optarg) + 1);
1788 if (!bad_blocks_filename) {
1789 com_err(program_name, ENOMEM, "%s",
1790 _("in malloc for bad_blocks_filename"));
1791 exit(1);
1792 }
1793 strcpy(bad_blocks_filename, optarg);
1794 break;
1795 case 'L':
1796 volume_label = optarg;
1797 if (strlen(volume_label) > EXT2_LABEL_LEN) {
1798 volume_label[EXT2_LABEL_LEN] = '\0';
1799 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1800 volume_label);
1801 }
1802 break;
1803 case 'm':
1804 reserved_ratio = strtod(optarg, &tmp);
1805 if ( *tmp || reserved_ratio > 50 ||
1806 reserved_ratio < 0) {
1807 com_err(program_name, 0,
1808 _("invalid reserved blocks percent - %s"),
1809 optarg);
1810 exit(1);
1811 }
1812 break;
1813 case 'M':
1814 mount_dir = optarg;
1815 break;
1816 case 'n':
1817 noaction++;
1818 break;
1819 case 'N':
1820 num_inodes = strtoul(optarg, &tmp, 0);
1821 if (*tmp) {
1822 com_err(program_name, 0,
1823 _("bad num inodes - %s"), optarg);
1824 exit(1);
1825 }
1826 break;
1827 case 'o':
1828 creator_os = optarg;
1829 break;
1830 case 'O':
1831 retval = ext2fs_resize_mem(fs_features_size,
1832 fs_features_size + 1 + strlen(optarg),
1833 &fs_features);
1834 if (retval) {
1835 com_err(program_name, retval,
1836 _("while allocating fs_feature string"));
1837 exit(1);
1838 }
1839 if (fs_features_size)
1840 strcat(fs_features, ",");
1841 else
1842 fs_features[0] = 0;
1843 strcat(fs_features, optarg);
1844 fs_features_size += 1 + strlen(optarg);
1845 break;
1846 case 'q':
1847 quiet = 1;
1848 break;
1849 case 'r':
1850 r_opt = strtoul(optarg, &tmp, 0);
1851 if (*tmp) {
1852 com_err(program_name, 0,
1853 _("bad revision level - %s"), optarg);
1854 exit(1);
1855 }
1856 if (r_opt > EXT2_MAX_SUPP_REV) {
1857 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1858 _("while trying to create revision %d"), r_opt);
1859 exit(1);
1860 }
1861 fs_param.s_rev_level = r_opt;
1862 break;
1863 case 's': /* deprecated */
1864 s_opt = atoi(optarg);
1865 break;
1866 case 'S':
1867 super_only = 1;
1868 break;
1869 case 't':
1870 if (fs_type) {
1871 com_err(program_name, 0, "%s",
1872 _("The -t option may only be used once"));
1873 exit(1);
1874 }
1875 fs_type = strdup(optarg);
1876 break;
1877 case 'T':
1878 if (usage_types) {
1879 com_err(program_name, 0, "%s",
1880 _("The -T option may only be used once"));
1881 exit(1);
1882 }
1883 usage_types = strdup(optarg);
1884 break;
1885 case 'U':
1886 fs_uuid = optarg;
1887 break;
1888 case 'v':
1889 verbose = 1;
1890 break;
1891 case 'V':
1892 /* Print version number and exit */
1893 show_version_only++;
1894 break;
1895 case 'z':
1896 undo_file = optarg;
1897 break;
1898 default:
1899 usage();
1900 }
1901 }
1902 if ((optind == argc) && !show_version_only)
1903 usage();
1904 device_name = argv[optind++];
1905
1906 if (!quiet || show_version_only)
1907 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1908 E2FSPROGS_DATE);
1909
1910 if (show_version_only) {
1911 fprintf(stderr, _("\tUsing %s\n"),
1912 error_message(EXT2_ET_BASE));
1913 exit(0);
1914 }
1915
1916 /*
1917 * If there's no blocksize specified and there is a journal
1918 * device, use it to figure out the blocksize
1919 */
1920 if (blocksize <= 0 && journal_device) {
1921 ext2_filsys jfs;
1922 io_manager io_ptr;
1923
1924 #ifdef CONFIG_TESTIO_DEBUG
1925 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1926 io_ptr = test_io_manager;
1927 test_io_backing_manager = unix_io_manager;
1928 } else
1929 #endif
1930 io_ptr = unix_io_manager;
1931 retval = ext2fs_open(journal_device,
1932 EXT2_FLAG_JOURNAL_DEV_OK, 0,
1933 0, io_ptr, &jfs);
1934 if (retval) {
1935 com_err(program_name, retval,
1936 _("while trying to open journal device %s\n"),
1937 journal_device);
1938 exit(1);
1939 }
1940 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1941 com_err(program_name, 0,
1942 _("Journal dev blocksize (%d) smaller than "
1943 "minimum blocksize %d\n"), jfs->blocksize,
1944 -blocksize);
1945 exit(1);
1946 }
1947 blocksize = jfs->blocksize;
1948 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1949 fs_param.s_log_block_size =
1950 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1951 ext2fs_close_free(&jfs);
1952 }
1953
1954 if (optind < argc) {
1955 fs_blocks_count = parse_num_blocks2(argv[optind++],
1956 fs_param.s_log_block_size);
1957 if (!fs_blocks_count) {
1958 com_err(program_name, 0,
1959 _("invalid blocks '%s' on device '%s'"),
1960 argv[optind - 1], device_name);
1961 exit(1);
1962 }
1963 }
1964 if (optind < argc)
1965 usage();
1966
1967 profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1968 &sync_kludge);
1969 tmp = getenv("MKE2FS_SYNC");
1970 if (tmp)
1971 sync_kludge = atoi(tmp);
1972
1973 profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1974 &proceed_delay);
1975
1976 if (fs_blocks_count)
1977 explicit_fssize = 1;
1978
1979 check_mount(device_name, force, _("filesystem"));
1980
1981 /* Determine the size of the device (if possible) */
1982 if (noaction && fs_blocks_count) {
1983 dev_size = fs_blocks_count;
1984 retval = 0;
1985 } else
1986 retval = ext2fs_get_device_size2(device_name,
1987 EXT2_BLOCK_SIZE(&fs_param),
1988 &dev_size);
1989 if (retval == ENOENT) {
1990 int fd;
1991
1992 if (!explicit_fssize) {
1993 fprintf(stderr,
1994 _("The file %s does not exist and no "
1995 "size was specified.\n"), device_name);
1996 exit(1);
1997 }
1998 fd = ext2fs_open_file(device_name,
1999 O_CREAT | O_WRONLY, 0666);
2000 if (fd < 0) {
2001 retval = errno;
2002 } else {
2003 dev_size = 0;
2004 retval = 0;
2005 close(fd);
2006 printf(_("Creating regular file %s\n"), device_name);
2007 }
2008 }
2009 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
2010 com_err(program_name, retval, "%s",
2011 _("while trying to determine filesystem size"));
2012 exit(1);
2013 }
2014 if (!fs_blocks_count) {
2015 if (retval == EXT2_ET_UNIMPLEMENTED) {
2016 com_err(program_name, 0, "%s",
2017 _("Couldn't determine device size; you "
2018 "must specify\nthe size of the "
2019 "filesystem\n"));
2020 exit(1);
2021 } else {
2022 if (dev_size == 0) {
2023 com_err(program_name, 0, "%s",
2024 _("Device size reported to be zero. "
2025 "Invalid partition specified, or\n\t"
2026 "partition table wasn't reread "
2027 "after running fdisk, due to\n\t"
2028 "a modified partition being busy "
2029 "and in use. You may need to reboot\n\t"
2030 "to re-read your partition table.\n"
2031 ));
2032 exit(1);
2033 }
2034 fs_blocks_count = dev_size;
2035 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
2036 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
2037 EXT2_BLOCK_SIZE(&fs_param))-1));
2038 }
2039 } else if (!force && is_device && (fs_blocks_count > dev_size)) {
2040 com_err(program_name, 0, "%s",
2041 _("Filesystem larger than apparent device size."));
2042 proceed_question(proceed_delay);
2043 }
2044
2045 if (!fs_type)
2046 profile_get_string(profile, "devices", device_name,
2047 "fs_type", 0, &fs_type);
2048 if (!usage_types)
2049 profile_get_string(profile, "devices", device_name,
2050 "usage_types", 0, &usage_types);
2051 if (!creator_os)
2052 profile_get_string(profile, "defaults", "creator_os", 0,
2053 0, &creator_os);
2054
2055 /*
2056 * We have the file system (or device) size, so we can now
2057 * determine the appropriate file system types so the fs can
2058 * be appropriately configured.
2059 */
2060 fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
2061 fs_blocks_count ? fs_blocks_count : dev_size,
2062 argv[0]);
2063 if (!fs_types) {
2064 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
2065 exit(1);
2066 }
2067
2068 /* Figure out what features should be enabled */
2069
2070 tmp = NULL;
2071 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
2072 tmp = get_string_from_profile(fs_types, "base_features",
2073 "sparse_super,large_file,filetype,resize_inode,dir_index");
2074 edit_feature(tmp, &fs_param.s_feature_compat);
2075 free(tmp);
2076
2077 /* And which mount options as well */
2078 tmp = get_string_from_profile(fs_types, "default_mntopts",
2079 "acl,user_xattr");
2080 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
2081 if (tmp)
2082 free(tmp);
2083
2084 for (cpp = fs_types; *cpp; cpp++) {
2085 tmp = NULL;
2086 profile_get_string(profile, "fs_types", *cpp,
2087 "features", "", &tmp);
2088 if (tmp && *tmp)
2089 edit_feature(tmp, &fs_param.s_feature_compat);
2090 if (tmp)
2091 free(tmp);
2092 }
2093 tmp = get_string_from_profile(fs_types, "default_features",
2094 "");
2095 }
2096 /* Mask off features which aren't supported by the Hurd */
2097 if (for_hurd(creator_os)) {
2098 ext2fs_clear_feature_filetype(&fs_param);
2099 ext2fs_clear_feature_huge_file(&fs_param);
2100 ext2fs_clear_feature_metadata_csum(&fs_param);
2101 ext2fs_clear_feature_ea_inode(&fs_param);
2102 ext2fs_clear_feature_casefold(&fs_param);
2103 }
2104 edit_feature(fs_features ? fs_features : tmp,
2105 &fs_param.s_feature_compat);
2106 if (tmp)
2107 free(tmp);
2108 (void) ext2fs_free_mem(&fs_features);
2109 /*
2110 * If the user specified features incompatible with the Hurd, complain
2111 */
2112 if (for_hurd(creator_os)) {
2113 if (ext2fs_has_feature_filetype(&fs_param)) {
2114 fprintf(stderr, "%s", _("The HURD does not support the "
2115 "filetype feature.\n"));
2116 exit(1);
2117 }
2118 if (ext2fs_has_feature_huge_file(&fs_param)) {
2119 fprintf(stderr, "%s", _("The HURD does not support the "
2120 "huge_file feature.\n"));
2121 exit(1);
2122 }
2123 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2124 fprintf(stderr, "%s", _("The HURD does not support the "
2125 "metadata_csum feature.\n"));
2126 exit(1);
2127 }
2128 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2129 fprintf(stderr, "%s", _("The HURD does not support the "
2130 "ea_inode feature.\n"));
2131 exit(1);
2132 }
2133 }
2134
2135 /* Get the hardware sector sizes, if available */
2136 retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2137 if (retval) {
2138 com_err(program_name, retval, "%s",
2139 _("while trying to determine hardware sector size"));
2140 exit(1);
2141 }
2142 retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2143 if (retval) {
2144 com_err(program_name, retval, "%s",
2145 _("while trying to determine physical sector size"));
2146 exit(1);
2147 }
2148
2149 tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2150 if (tmp != NULL)
2151 lsector_size = atoi(tmp);
2152 tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2153 if (tmp != NULL)
2154 psector_size = atoi(tmp);
2155
2156 /* Older kernels may not have physical/logical distinction */
2157 if (!psector_size)
2158 psector_size = lsector_size;
2159
2160 if (blocksize <= 0) {
2161 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2162
2163 if (use_bsize == -1) {
2164 use_bsize = sys_page_size;
2165 if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2166 use_bsize = 4096;
2167 }
2168 if (lsector_size && use_bsize < lsector_size)
2169 use_bsize = lsector_size;
2170 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2171 use_bsize = -blocksize;
2172 blocksize = use_bsize;
2173 fs_blocks_count /= (blocksize / 1024);
2174 } else {
2175 if (blocksize < lsector_size) { /* Impossible */
2176 com_err(program_name, EINVAL, "%s",
2177 _("while setting blocksize; too small "
2178 "for device\n"));
2179 exit(1);
2180 } else if ((blocksize < psector_size) &&
2181 (psector_size <= sys_page_size)) { /* Suboptimal */
2182 fprintf(stderr, _("Warning: specified blocksize %d is "
2183 "less than device physical sectorsize %d\n"),
2184 blocksize, psector_size);
2185 }
2186 }
2187
2188 fs_param.s_log_block_size =
2189 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2190
2191 /*
2192 * We now need to do a sanity check of fs_blocks_count for
2193 * 32-bit vs 64-bit block number support.
2194 */
2195 if ((fs_blocks_count > MAX_32_NUM) &&
2196 ext2fs_has_feature_64bit(&fs_param))
2197 ext2fs_clear_feature_resize_inode(&fs_param);
2198 if ((fs_blocks_count > MAX_32_NUM) &&
2199 !ext2fs_has_feature_64bit(&fs_param) &&
2200 get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2201 ext2fs_set_feature_64bit(&fs_param);
2202 ext2fs_clear_feature_resize_inode(&fs_param);
2203 }
2204 if ((fs_blocks_count > MAX_32_NUM) &&
2205 !ext2fs_has_feature_64bit(&fs_param)) {
2206 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2207 "too big to be expressed\n\t"
2208 "in 32 bits using a blocksize of %d.\n"),
2209 program_name, (unsigned long long) fs_blocks_count,
2210 device_name, EXT2_BLOCK_SIZE(&fs_param));
2211 exit(1);
2212 }
2213 /*
2214 * Guard against group descriptor count overflowing... Mostly to avoid
2215 * strange results for absurdly large devices. This is in log2:
2216 * (blocksize) * (bits per byte) * (maximum number of block groups)
2217 */
2218 if (fs_blocks_count >
2219 (1ULL << (EXT2_BLOCK_SIZE_BITS(&fs_param) + 3 + 32)) - 1) {
2220 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2221 "too big to create\n\t"
2222 "a filesystem using a blocksize of %d.\n"),
2223 program_name, (unsigned long long) fs_blocks_count,
2224 device_name, EXT2_BLOCK_SIZE(&fs_param));
2225 exit(1);
2226 }
2227
2228 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2229
2230 if (ext2fs_has_feature_journal_dev(&fs_param)) {
2231 int i;
2232
2233 for (i=0; fs_types[i]; i++) {
2234 free(fs_types[i]);
2235 fs_types[i] = 0;
2236 }
2237 fs_types[0] = strdup("journal");
2238 fs_types[1] = 0;
2239 }
2240
2241 if (verbose) {
2242 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2243 print_str_list(fs_types);
2244 }
2245
2246 if (r_opt == EXT2_GOOD_OLD_REV &&
2247 (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2248 fs_param.s_feature_ro_compat)) {
2249 fprintf(stderr, "%s", _("Filesystem features not supported "
2250 "with revision 0 filesystems\n"));
2251 exit(1);
2252 }
2253
2254 if (s_opt > 0) {
2255 if (r_opt == EXT2_GOOD_OLD_REV) {
2256 fprintf(stderr, "%s",
2257 _("Sparse superblocks not supported "
2258 "with revision 0 filesystems\n"));
2259 exit(1);
2260 }
2261 ext2fs_set_feature_sparse_super(&fs_param);
2262 } else if (s_opt == 0)
2263 ext2fs_clear_feature_sparse_super(&fs_param);
2264
2265 if (journal_size != 0) {
2266 if (r_opt == EXT2_GOOD_OLD_REV) {
2267 fprintf(stderr, "%s", _("Journals not supported with "
2268 "revision 0 filesystems\n"));
2269 exit(1);
2270 }
2271 ext2fs_set_feature_journal(&fs_param);
2272 }
2273
2274 /* Get reserved_ratio from profile if not specified on cmd line. */
2275 if (reserved_ratio < 0.0) {
2276 reserved_ratio = get_double_from_profile(
2277 fs_types, "reserved_ratio", 5.0);
2278 if (reserved_ratio > 50 || reserved_ratio < 0) {
2279 com_err(program_name, 0,
2280 _("invalid reserved blocks percent - %lf"),
2281 reserved_ratio);
2282 exit(1);
2283 }
2284 }
2285
2286 if (ext2fs_has_feature_journal_dev(&fs_param)) {
2287 reserved_ratio = 0;
2288 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2289 fs_param.s_feature_compat = 0;
2290 fs_param.s_feature_ro_compat &=
2291 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2292 }
2293
2294 /* Check the user's mkfs options for 64bit */
2295 if (ext2fs_has_feature_64bit(&fs_param) &&
2296 !ext2fs_has_feature_extents(&fs_param)) {
2297 printf("%s", _("Extents MUST be enabled for a 64-bit "
2298 "filesystem. Pass -O extents to rectify.\n"));
2299 exit(1);
2300 }
2301
2302 /* Set first meta blockgroup via an environment variable */
2303 /* (this is mostly for debugging purposes) */
2304 if (ext2fs_has_feature_meta_bg(&fs_param) &&
2305 (tmp = getenv("MKE2FS_FIRST_META_BG")))
2306 fs_param.s_first_meta_bg = atoi(tmp);
2307 if (ext2fs_has_feature_bigalloc(&fs_param)) {
2308 if (!cluster_size)
2309 cluster_size = get_int_from_profile(fs_types,
2310 "cluster_size",
2311 blocksize*16);
2312 fs_param.s_log_cluster_size =
2313 int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2314 if (fs_param.s_log_cluster_size &&
2315 fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2316 com_err(program_name, 0, "%s",
2317 _("The cluster size may not be "
2318 "smaller than the block size.\n"));
2319 exit(1);
2320 }
2321 } else if (cluster_size) {
2322 com_err(program_name, 0, "%s",
2323 _("specifying a cluster size requires the "
2324 "bigalloc feature"));
2325 exit(1);
2326 } else
2327 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2328
2329 if (inode_ratio == 0) {
2330 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2331 8192);
2332 if (inode_ratio < blocksize)
2333 inode_ratio = blocksize;
2334 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2335 inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2336 }
2337
2338 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2339 retval = get_device_geometry(device_name, blocksize,
2340 psector_size, &dev_param);
2341 if (retval < 0) {
2342 fprintf(stderr,
2343 _("warning: Unable to get device geometry for %s\n"),
2344 device_name);
2345 } else {
2346 /* setting stripe/stride to blocksize is pointless */
2347 if (dev_param.min_io > (unsigned) blocksize)
2348 fs_param.s_raid_stride = dev_param.min_io / blocksize;
2349 if (dev_param.opt_io > (unsigned) blocksize) {
2350 fs_param.s_raid_stripe_width =
2351 dev_param.opt_io / blocksize;
2352 }
2353
2354 if (dev_param.alignment_offset) {
2355 printf(_("%s alignment is offset by %lu bytes.\n"),
2356 device_name, dev_param.alignment_offset);
2357 printf(_("This may result in very poor performance, "
2358 "(re)-partitioning suggested.\n"));
2359 }
2360
2361 if (dev_param.dax && blocksize != sys_page_size) {
2362 fprintf(stderr,
2363 _("%s is capable of DAX but current block size "
2364 "%u is different from system page size %u so "
2365 "filesystem will not support DAX.\n"),
2366 device_name, blocksize, sys_page_size);
2367 }
2368 }
2369 #endif
2370
2371 num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2372
2373 blocksize = EXT2_BLOCK_SIZE(&fs_param);
2374
2375 /*
2376 * Initialize s_desc_size so that the parse_extended_opts()
2377 * can correctly handle "-E resize=NNN" if the 64-bit option
2378 * is set.
2379 */
2380 if (ext2fs_has_feature_64bit(&fs_param))
2381 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2382
2383 /* This check should happen beyond the last assignment to blocksize */
2384 if (blocksize > sys_page_size) {
2385 if (!force) {
2386 com_err(program_name, 0,
2387 _("%d-byte blocks too big for system (max %d)"),
2388 blocksize, sys_page_size);
2389 proceed_question(proceed_delay);
2390 }
2391 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2392 "(max %d), forced to continue\n"),
2393 blocksize, sys_page_size);
2394 }
2395
2396 /* Metadata checksumming wasn't totally stable before 3.18. */
2397 if (is_before_linux_ver(3, 18, 0) &&
2398 ext2fs_has_feature_metadata_csum(&fs_param))
2399 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2400 "improved stability of the metadata and journal "
2401 "checksum features.\n"));
2402
2403 /*
2404 * On newer kernels we do have lazy_itable_init support. So pick the
2405 * right default in case ext4 module is not loaded.
2406 */
2407 if (is_before_linux_ver(2, 6, 37))
2408 lazy_itable_init = 0;
2409 else
2410 lazy_itable_init = 1;
2411
2412 if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2413 lazy_itable_init = 1;
2414
2415 lazy_itable_init = get_bool_from_profile(fs_types,
2416 "lazy_itable_init",
2417 lazy_itable_init);
2418 discard = get_bool_from_profile(fs_types, "discard" , discard);
2419 journal_flags |= get_bool_from_profile(fs_types,
2420 "lazy_journal_init", 0) ?
2421 EXT2_MKJOURNAL_LAZYINIT : 0;
2422 journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2423
2424 if (!journal_location_string)
2425 journal_location_string = get_string_from_profile(fs_types,
2426 "journal_location", "");
2427 if ((journal_location == ~0ULL) && journal_location_string &&
2428 *journal_location_string)
2429 journal_location = parse_num_blocks2(journal_location_string,
2430 fs_param.s_log_block_size);
2431 free(journal_location_string);
2432
2433 packed_meta_blocks = get_bool_from_profile(fs_types,
2434 "packed_meta_blocks", 0);
2435 if (packed_meta_blocks)
2436 journal_location = 0;
2437
2438 if (ext2fs_has_feature_casefold(&fs_param)) {
2439 char *ef, *en = get_string_from_profile(fs_types,
2440 "encoding", "utf8");
2441 int encoding = e2p_str2encoding(en);
2442
2443 if (encoding < 0) {
2444 com_err(program_name, 0,
2445 _("Unknown filename encoding from profile: %s"),
2446 en);
2447 exit(1);
2448 }
2449 free(en);
2450 fs_param.s_encoding = encoding;
2451 ef = get_string_from_profile(fs_types, "encoding_flags", NULL);
2452 if (ef) {
2453 if (e2p_str2encoding_flags(encoding, ef,
2454 &fs_param.s_encoding_flags) < 0) {
2455 com_err(program_name, 0,
2456 _("Unknown encoding flags from profile: %s"), ef);
2457 exit(1);
2458 }
2459 free(ef);
2460 } else
2461 fs_param.s_encoding_flags =
2462 e2p_get_encoding_flags(encoding);
2463 }
2464
2465 /* Get options from profile */
2466 for (cpp = fs_types; *cpp; cpp++) {
2467 tmp = NULL;
2468 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2469 if (tmp && *tmp)
2470 parse_extended_opts(&fs_param, tmp);
2471 free(tmp);
2472 }
2473
2474 if (extended_opts)
2475 parse_extended_opts(&fs_param, extended_opts);
2476
2477 if (explicit_fssize == 0 && offset > 0) {
2478 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2479 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2480 fprintf(stderr,
2481 _("\nWarning: offset specified without an "
2482 "explicit file system size.\n"
2483 "Creating a file system with %llu blocks "
2484 "but this might\n"
2485 "not be what you want.\n\n"),
2486 (unsigned long long) fs_blocks_count);
2487 }
2488
2489 if (quotatype_bits & QUOTA_PRJ_BIT)
2490 ext2fs_set_feature_project(&fs_param);
2491
2492 if (ext2fs_has_feature_project(&fs_param)) {
2493 quotatype_bits |= QUOTA_PRJ_BIT;
2494 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2495 com_err(program_name, 0,
2496 _("%d byte inodes are too small for "
2497 "project quota"),
2498 inode_size);
2499 exit(1);
2500 }
2501 if (inode_size == 0) {
2502 inode_size = get_int_from_profile(fs_types,
2503 "inode_size", 0);
2504 if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2505 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2506 }
2507 }
2508
2509 /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2510 if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2511 ext2fs_has_feature_gdt_csum(&fs_param))
2512 ext2fs_clear_feature_gdt_csum(&fs_param);
2513
2514 /* Can't support bigalloc feature without extents feature */
2515 if (ext2fs_has_feature_bigalloc(&fs_param) &&
2516 !ext2fs_has_feature_extents(&fs_param)) {
2517 com_err(program_name, 0, "%s",
2518 _("Can't support bigalloc feature without "
2519 "extents feature"));
2520 exit(1);
2521 }
2522
2523 if (ext2fs_has_feature_meta_bg(&fs_param) &&
2524 ext2fs_has_feature_resize_inode(&fs_param)) {
2525 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2526 "features are not compatible.\n"
2527 "They can not be both enabled "
2528 "simultaneously.\n"));
2529 exit(1);
2530 }
2531
2532 if (!quiet && ext2fs_has_feature_bigalloc(&fs_param) &&
2533 EXT2_CLUSTER_SIZE(&fs_param) > 16 * EXT2_BLOCK_SIZE(&fs_param))
2534 fprintf(stderr, "%s", _("\nWarning: bigalloc file systems "
2535 "with a cluster size greater than\n"
2536 "16 times the block size is considered "
2537 "experimental\n"));
2538
2539 /*
2540 * Since sparse_super is the default, we would only have a problem
2541 * here if it was explicitly disabled.
2542 */
2543 if (ext2fs_has_feature_resize_inode(&fs_param) &&
2544 !ext2fs_has_feature_sparse_super(&fs_param)) {
2545 com_err(program_name, 0, "%s",
2546 _("reserved online resize blocks not supported "
2547 "on non-sparse filesystem"));
2548 exit(1);
2549 }
2550
2551 if (fs_param.s_blocks_per_group) {
2552 if (fs_param.s_blocks_per_group < 256 ||
2553 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2554 com_err(program_name, 0, "%s",
2555 _("blocks per group count out of range"));
2556 exit(1);
2557 }
2558 }
2559
2560 /*
2561 * If the bigalloc feature is enabled, then the -g option will
2562 * specify the number of clusters per group.
2563 */
2564 if (ext2fs_has_feature_bigalloc(&fs_param)) {
2565 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2566 fs_param.s_blocks_per_group = 0;
2567 }
2568
2569 if (inode_size == 0)
2570 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2571 if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2572 flex_bg_size = get_uint_from_profile(fs_types,
2573 "flex_bg_size", 16);
2574 if (flex_bg_size) {
2575 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2576 com_err(program_name, 0, "%s",
2577 _("Flex_bg feature not enabled, so "
2578 "flex_bg size may not be specified"));
2579 exit(1);
2580 }
2581 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2582 }
2583
2584 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2585 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2586 inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2587 inode_size & (inode_size - 1)) {
2588 com_err(program_name, 0,
2589 _("invalid inode size %d (min %d/max %d)"),
2590 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2591 blocksize);
2592 exit(1);
2593 }
2594 fs_param.s_inode_size = inode_size;
2595 }
2596
2597 /*
2598 * If inode size is 128 and inline data is enabled, we need
2599 * to notify users that inline data will never be useful.
2600 */
2601 if (ext2fs_has_feature_inline_data(&fs_param) &&
2602 fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2603 com_err(program_name, 0,
2604 _("%d byte inodes are too small for inline data; "
2605 "specify larger size"),
2606 fs_param.s_inode_size);
2607 exit(1);
2608 }
2609
2610 /*
2611 * Warn the user that filesystems with 128-byte inodes will
2612 * not work properly beyond 2038. This can be suppressed via
2613 * a boolean in the mke2fs.conf file, and we will disable this
2614 * warning for file systems created for the GNU Hurd.
2615 */
2616 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE &&
2617 get_bool_from_profile(fs_types, "warn_y2038_dates", 1))
2618 printf(
2619 _("128-byte inodes cannot handle dates beyond 2038 and are deprecated\n"));
2620
2621 /* Make sure number of inodes specified will fit in 32 bits */
2622 if (num_inodes == 0) {
2623 unsigned long long n;
2624 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2625 if (n > MAX_32_NUM) {
2626 if (ext2fs_has_feature_64bit(&fs_param))
2627 num_inodes = MAX_32_NUM;
2628 else {
2629 com_err(program_name, 0,
2630 _("too many inodes (%llu), raise "
2631 "inode ratio?"),
2632 (unsigned long long) n);
2633 exit(1);
2634 }
2635 }
2636 } else if (num_inodes > MAX_32_NUM) {
2637 com_err(program_name, 0,
2638 _("too many inodes (%llu), specify < 2^32 inodes"),
2639 (unsigned long long) num_inodes);
2640 exit(1);
2641 }
2642 /*
2643 * Calculate number of inodes based on the inode ratio
2644 */
2645 fs_param.s_inodes_count = num_inodes ? num_inodes :
2646 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2647
2648 if ((((unsigned long long)fs_param.s_inodes_count) *
2649 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2650 ((ext2fs_blocks_count(&fs_param)) *
2651 EXT2_BLOCK_SIZE(&fs_param))) {
2652 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2653 "(%u) too big for a\n\t"
2654 "filesystem with %llu blocks, "
2655 "specify higher inode_ratio (-i)\n\t"
2656 "or lower inode count (-N).\n"),
2657 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2658 fs_param.s_inodes_count,
2659 (unsigned long long) ext2fs_blocks_count(&fs_param));
2660 exit(1);
2661 }
2662
2663 /*
2664 * Calculate number of blocks to reserve
2665 */
2666 ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2667 ext2fs_blocks_count(&fs_param) / 100.0);
2668
2669 if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2670 if (num_backups >= 1)
2671 fs_param.s_backup_bgs[0] = 1;
2672 if (num_backups >= 2)
2673 fs_param.s_backup_bgs[1] = ~0;
2674 }
2675
2676 free(fs_type);
2677 free(usage_types);
2678
2679 /* The isatty() test is so we don't break existing scripts */
2680 flags = CREATE_FILE;
2681 if (isatty(0) && isatty(1) && !offset)
2682 flags |= CHECK_FS_EXIST;
2683 if (!quiet)
2684 flags |= VERBOSE_CREATE;
2685 if (!explicit_fssize)
2686 flags |= NO_SIZE;
2687 if (!check_plausibility(device_name, flags, &is_device) && !force)
2688 proceed_question(proceed_delay);
2689 }
2690
2691 static int should_do_undo(const char *name)
2692 {
2693 errcode_t retval;
2694 io_channel channel;
2695 __u16 s_magic;
2696 struct ext2_super_block super;
2697 io_manager manager = unix_io_manager;
2698 int csum_flag, force_undo;
2699
2700 csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2701 ext2fs_has_feature_gdt_csum(&fs_param);
2702 force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2703 if (!force_undo && (!csum_flag || !lazy_itable_init))
2704 return 0;
2705
2706 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel);
2707 if (retval) {
2708 /*
2709 * We don't handle error cases instead we
2710 * declare that the file system doesn't exist
2711 * and let the rest of mke2fs take care of
2712 * error
2713 */
2714 retval = 0;
2715 goto open_err_out;
2716 }
2717
2718 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2719 retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2720 if (retval) {
2721 retval = 0;
2722 goto err_out;
2723 }
2724
2725 #if defined(WORDS_BIGENDIAN)
2726 s_magic = ext2fs_swab16(super.s_magic);
2727 #else
2728 s_magic = super.s_magic;
2729 #endif
2730
2731 if (s_magic == EXT2_SUPER_MAGIC)
2732 retval = 1;
2733
2734 err_out:
2735 io_channel_close(channel);
2736
2737 open_err_out:
2738
2739 return retval;
2740 }
2741
2742 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2743 {
2744 errcode_t retval = ENOMEM;
2745 char *tdb_dir = NULL, *tdb_file = NULL;
2746 char *dev_name, *tmp_name;
2747 int free_tdb_dir = 0;
2748
2749 /* (re)open a specific undo file */
2750 if (undo_file && undo_file[0] != 0) {
2751 retval = set_undo_io_backing_manager(*io_ptr);
2752 if (retval)
2753 goto err;
2754 *io_ptr = undo_io_manager;
2755 retval = set_undo_io_backup_file(undo_file);
2756 if (retval)
2757 goto err;
2758 printf(_("Overwriting existing filesystem; this can be undone "
2759 "using the command:\n"
2760 " e2undo %s %s\n\n"), undo_file, name);
2761 return retval;
2762 }
2763
2764 /*
2765 * Configuration via a conf file would be
2766 * nice
2767 */
2768 tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2769 if (!tdb_dir) {
2770 profile_get_string(profile, "defaults",
2771 "undo_dir", 0, "/var/lib/e2fsprogs",
2772 &tdb_dir);
2773 free_tdb_dir = 1;
2774 }
2775
2776 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2777 access(tdb_dir, W_OK)) {
2778 if (free_tdb_dir)
2779 free(tdb_dir);
2780 return 0;
2781 }
2782
2783 tmp_name = strdup(name);
2784 if (!tmp_name)
2785 goto errout;
2786 dev_name = basename(tmp_name);
2787 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2788 if (!tdb_file) {
2789 free(tmp_name);
2790 goto errout;
2791 }
2792 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2793 free(tmp_name);
2794
2795 if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2796 retval = errno;
2797 com_err(program_name, retval,
2798 _("while trying to delete %s"), tdb_file);
2799 goto errout;
2800 }
2801
2802 retval = set_undo_io_backing_manager(*io_ptr);
2803 if (retval)
2804 goto errout;
2805 *io_ptr = undo_io_manager;
2806 retval = set_undo_io_backup_file(tdb_file);
2807 if (retval)
2808 goto errout;
2809 printf(_("Overwriting existing filesystem; this can be undone "
2810 "using the command:\n"
2811 " e2undo %s %s\n\n"), tdb_file, name);
2812
2813 if (free_tdb_dir)
2814 free(tdb_dir);
2815 free(tdb_file);
2816 return 0;
2817
2818 errout:
2819 if (free_tdb_dir)
2820 free(tdb_dir);
2821 free(tdb_file);
2822 err:
2823 com_err(program_name, retval, "%s",
2824 _("while trying to setup undo file\n"));
2825 return retval;
2826 }
2827
2828 static int mke2fs_discard_device(ext2_filsys fs)
2829 {
2830 struct ext2fs_numeric_progress_struct progress;
2831 blk64_t blocks = ext2fs_blocks_count(fs->super);
2832 blk64_t count = DISCARD_STEP_MB;
2833 blk64_t cur = 0;
2834 int retval = 0;
2835
2836 /*
2837 * Let's try if discard really works on the device, so
2838 * we do not print numeric progress resulting in failure
2839 * afterwards.
2840 */
2841 retval = io_channel_discard(fs->io, 0, 1);
2842 if (retval)
2843 return retval;
2844
2845 count *= (1024 * 1024);
2846 count /= fs->blocksize;
2847
2848 ext2fs_numeric_progress_init(fs, &progress,
2849 _("Discarding device blocks: "),
2850 blocks);
2851 while (cur < blocks) {
2852 ext2fs_numeric_progress_update(fs, &progress, cur);
2853
2854 if (cur + count > blocks)
2855 count = blocks - cur;
2856
2857 retval = io_channel_discard(fs->io, cur, count);
2858 if (retval)
2859 break;
2860 cur += count;
2861 }
2862
2863 if (retval) {
2864 ext2fs_numeric_progress_close(fs, &progress,
2865 _("failed - "));
2866 if (!quiet)
2867 printf("%s\n",error_message(retval));
2868 } else
2869 ext2fs_numeric_progress_close(fs, &progress,
2870 _("done \n"));
2871
2872 return retval;
2873 }
2874
2875 static void fix_cluster_bg_counts(ext2_filsys fs)
2876 {
2877 blk64_t block, num_blocks, last_block, next;
2878 blk64_t tot_free = 0;
2879 errcode_t retval;
2880 dgrp_t group = 0;
2881 int grp_free = 0;
2882
2883 num_blocks = ext2fs_blocks_count(fs->super);
2884 last_block = ext2fs_group_last_block2(fs, group);
2885 block = fs->super->s_first_data_block;
2886 while (block < num_blocks) {
2887 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2888 block, last_block, &next);
2889 if (retval == 0)
2890 block = next;
2891 else {
2892 block = last_block + 1;
2893 goto next_bg;
2894 }
2895
2896 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2897 block, last_block, &next);
2898 if (retval)
2899 next = last_block + 1;
2900 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2901 tot_free += next - block;
2902 block = next;
2903
2904 if (block > last_block) {
2905 next_bg:
2906 ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2907 ext2fs_group_desc_csum_set(fs, group);
2908 grp_free = 0;
2909 group++;
2910 last_block = ext2fs_group_last_block2(fs, group);
2911 }
2912 }
2913 ext2fs_free_blocks_count_set(fs->super, tot_free);
2914 }
2915
2916 static int create_quota_inodes(ext2_filsys fs)
2917 {
2918 quota_ctx_t qctx;
2919 errcode_t retval;
2920
2921 retval = quota_init_context(&qctx, fs, quotatype_bits);
2922 if (retval) {
2923 com_err(program_name, retval,
2924 _("while initializing quota context"));
2925 exit(1);
2926 }
2927 quota_compute_usage(qctx);
2928 retval = quota_write_inode(qctx, quotatype_bits);
2929 if (retval) {
2930 com_err(program_name, retval,
2931 _("while writing quota inodes"));
2932 exit(1);
2933 }
2934 quota_release_context(&qctx);
2935
2936 return 0;
2937 }
2938
2939 static errcode_t set_error_behavior(ext2_filsys fs)
2940 {
2941 char *arg = NULL;
2942 short errors = fs->super->s_errors;
2943
2944 arg = get_string_from_profile(fs_types, "errors", NULL);
2945 if (arg == NULL)
2946 goto try_user;
2947
2948 if (strcmp(arg, "continue") == 0)
2949 errors = EXT2_ERRORS_CONTINUE;
2950 else if (strcmp(arg, "remount-ro") == 0)
2951 errors = EXT2_ERRORS_RO;
2952 else if (strcmp(arg, "panic") == 0)
2953 errors = EXT2_ERRORS_PANIC;
2954 else {
2955 com_err(program_name, 0,
2956 _("bad error behavior in profile - %s"),
2957 arg);
2958 free(arg);
2959 return EXT2_ET_INVALID_ARGUMENT;
2960 }
2961 free(arg);
2962
2963 try_user:
2964 if (errors_behavior)
2965 errors = errors_behavior;
2966
2967 fs->super->s_errors = errors;
2968 return 0;
2969 }
2970
2971 int main (int argc, char *argv[])
2972 {
2973 errcode_t retval = 0;
2974 ext2_filsys fs;
2975 badblocks_list bb_list = 0;
2976 badblocks_iterate bb_iter;
2977 blk_t blk;
2978 struct ext2fs_journal_params jparams = {0};
2979 unsigned int i, checkinterval;
2980 int max_mnt_count;
2981 int val, hash_alg;
2982 int flags;
2983 int old_bitmaps;
2984 io_manager io_ptr;
2985 char opt_string[40];
2986 char *hash_alg_str;
2987 int itable_zeroed = 0;
2988 blk64_t overhead;
2989
2990 #ifdef ENABLE_NLS
2991 setlocale(LC_MESSAGES, "");
2992 setlocale(LC_CTYPE, "");
2993 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2994 textdomain(NLS_CAT_NAME);
2995 set_com_err_gettext(gettext);
2996 #endif
2997 PRS(argc, argv);
2998
2999 #ifdef CONFIG_TESTIO_DEBUG
3000 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
3001 io_ptr = test_io_manager;
3002 test_io_backing_manager = unix_io_manager;
3003 } else
3004 #endif
3005 io_ptr = unix_io_manager;
3006
3007 if (undo_file != NULL || should_do_undo(device_name)) {
3008 retval = mke2fs_setup_tdb(device_name, &io_ptr);
3009 if (retval)
3010 exit(1);
3011 }
3012
3013 /*
3014 * Initialize the superblock....
3015 */
3016 flags = EXT2_FLAG_EXCLUSIVE;
3017 if (direct_io)
3018 flags |= EXT2_FLAG_DIRECT_IO;
3019 profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
3020 &old_bitmaps);
3021 if (!old_bitmaps)
3022 flags |= EXT2_FLAG_64BITS;
3023 /*
3024 * By default, we print how many inode tables or block groups
3025 * or whatever we've written so far. The quiet flag disables
3026 * this, along with a lot of other output.
3027 */
3028 if (!quiet)
3029 flags |= EXT2_FLAG_PRINT_PROGRESS;
3030 if (android_sparse_file) {
3031 char *android_sparse_params = malloc(strlen(device_name) + 48);
3032
3033 if (!android_sparse_params) {
3034 com_err(program_name, ENOMEM, "%s",
3035 _("in malloc for android_sparse_params"));
3036 exit(1);
3037 }
3038 sprintf(android_sparse_params, "(%s):%u:%u",
3039 device_name, fs_param.s_blocks_count,
3040 1024 << fs_param.s_log_block_size);
3041 retval = ext2fs_initialize(android_sparse_params, flags,
3042 &fs_param, sparse_io_manager, &fs);
3043 free(android_sparse_params);
3044 } else
3045 retval = ext2fs_initialize(device_name, flags, &fs_param,
3046 io_ptr, &fs);
3047 if (retval) {
3048 com_err(device_name, retval, "%s",
3049 _("while setting up superblock"));
3050 exit(1);
3051 }
3052 fs->progress_ops = &ext2fs_numeric_progress_ops;
3053
3054 /* Set the error behavior */
3055 retval = set_error_behavior(fs);
3056 if (retval)
3057 usage();
3058
3059 /* Check the user's mkfs options for metadata checksumming */
3060 if (!quiet &&
3061 !ext2fs_has_feature_journal_dev(fs->super) &&
3062 ext2fs_has_feature_metadata_csum(fs->super)) {
3063 if (!ext2fs_has_feature_extents(fs->super))
3064 printf("%s",
3065 _("Extents are not enabled. The file extent "
3066 "tree can be checksummed, whereas block maps "
3067 "cannot. Not enabling extents reduces the "
3068 "coverage of metadata checksumming. "
3069 "Pass -O extents to rectify.\n"));
3070 if (!ext2fs_has_feature_64bit(fs->super))
3071 printf("%s",
3072 _("64-bit filesystem support is not enabled. "
3073 "The larger fields afforded by this feature "
3074 "enable full-strength checksumming. "
3075 "Pass -O 64bit to rectify.\n"));
3076 }
3077
3078 if (ext2fs_has_feature_csum_seed(fs->super) &&
3079 !ext2fs_has_feature_metadata_csum(fs->super)) {
3080 printf("%s", _("The metadata_csum_seed feature "
3081 "requires the metadata_csum feature.\n"));
3082 exit(1);
3083 }
3084
3085 /* Calculate journal blocks */
3086 if (!journal_device && ((journal_size) ||
3087 ext2fs_has_feature_journal(&fs_param)))
3088 figure_journal_size(&jparams, journal_size, journal_fc_size, fs);
3089
3090 sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
3091 32768 : fs->blocksize * 8);
3092 io_channel_set_options(fs->io, opt_string);
3093 if (offset) {
3094 sprintf(opt_string, "offset=%llu", (unsigned long long) offset);
3095 io_channel_set_options(fs->io, opt_string);
3096 }
3097
3098 /* Can't undo discard ... */
3099 if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
3100 retval = mke2fs_discard_device(fs);
3101 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
3102 if (verbose)
3103 printf("%s",
3104 _("Discard succeeded and will return "
3105 "0s - skipping inode table wipe\n"));
3106 lazy_itable_init = 1;
3107 itable_zeroed = 1;
3108 zero_hugefile = 0;
3109 }
3110 }
3111
3112 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
3113 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
3114
3115 if (ext2fs_has_feature_flex_bg(&fs_param) ||
3116 ext2fs_has_feature_huge_file(&fs_param) ||
3117 ext2fs_has_feature_gdt_csum(&fs_param) ||
3118 ext2fs_has_feature_dir_nlink(&fs_param) ||
3119 ext2fs_has_feature_metadata_csum(&fs_param) ||
3120 ext2fs_has_feature_extra_isize(&fs_param))
3121 fs->super->s_kbytes_written = 1;
3122
3123 /*
3124 * Wipe out the old on-disk superblock
3125 */
3126 if (!noaction)
3127 zap_sector(fs, 2, 6);
3128
3129 /*
3130 * Parse or generate a UUID for the filesystem
3131 */
3132 if (fs_uuid) {
3133 if ((strcasecmp(fs_uuid, "null") == 0) ||
3134 (strcasecmp(fs_uuid, "clear") == 0)) {
3135 uuid_clear(fs->super->s_uuid);
3136 } else if (strcasecmp(fs_uuid, "time") == 0) {
3137 uuid_generate_time(fs->super->s_uuid);
3138 } else if (strcasecmp(fs_uuid, "random") == 0) {
3139 uuid_generate(fs->super->s_uuid);
3140 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
3141 com_err(device_name, 0, "could not parse UUID: %s\n",
3142 fs_uuid);
3143 exit(1);
3144 }
3145 } else
3146 uuid_generate(fs->super->s_uuid);
3147
3148 if (ext2fs_has_feature_csum_seed(fs->super))
3149 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
3150 fs->super->s_uuid, sizeof(fs->super->s_uuid));
3151
3152 ext2fs_init_csum_seed(fs);
3153
3154 /*
3155 * Initialize the directory index variables
3156 */
3157 hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3158 "half_md4");
3159 hash_alg = e2p_string2hash(hash_alg_str);
3160 free(hash_alg_str);
3161 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3162 EXT2_HASH_HALF_MD4;
3163
3164 if (memcmp(fs_param.s_hash_seed, zero_buf,
3165 sizeof(fs_param.s_hash_seed)) != 0) {
3166 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3167 sizeof(fs->super->s_hash_seed));
3168 } else
3169 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3170
3171 /*
3172 * Periodic checks can be enabled/disabled via config file.
3173 * Note we override the kernel include file's idea of what the default
3174 * check interval (never) should be. It's a good idea to check at
3175 * least *occasionally*, specially since servers will never rarely get
3176 * to reboot, since Linux is so robust these days. :-)
3177 *
3178 * 180 days (six months) seems like a good value.
3179 */
3180 #ifdef EXT2_DFL_CHECKINTERVAL
3181 #undef EXT2_DFL_CHECKINTERVAL
3182 #endif
3183 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3184
3185 if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3186 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3187 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3188 /*
3189 * Add "jitter" to the superblock's check interval so that we
3190 * don't check all the filesystems at the same time. We use a
3191 * kludgy hack of using the UUID to derive a random jitter value
3192 */
3193 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3194 val += fs->super->s_uuid[i];
3195 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3196 } else
3197 fs->super->s_max_mnt_count = -1;
3198
3199 /*
3200 * Override the creator OS, if applicable
3201 */
3202 if (creator_os && !set_os(fs->super, creator_os)) {
3203 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3204 exit(1);
3205 }
3206
3207 /*
3208 * For the Hurd, we will turn off filetype since it doesn't
3209 * support it.
3210 */
3211 if (fs->super->s_creator_os == EXT2_OS_HURD)
3212 ext2fs_clear_feature_filetype(fs->super);
3213
3214 /*
3215 * Set the volume label...
3216 */
3217 if (volume_label) {
3218 memset(fs->super->s_volume_name, 0,
3219 sizeof(fs->super->s_volume_name));
3220 strncpy((char *) fs->super->s_volume_name, volume_label,
3221 sizeof(fs->super->s_volume_name));
3222 }
3223
3224 /*
3225 * Set the last mount directory
3226 */
3227 if (mount_dir) {
3228 memset(fs->super->s_last_mounted, 0,
3229 sizeof(fs->super->s_last_mounted));
3230 strncpy((char *) fs->super->s_last_mounted, mount_dir,
3231 sizeof(fs->super->s_last_mounted));
3232 }
3233
3234 /* Set current default encryption algorithms for data and
3235 * filename encryption */
3236 if (ext2fs_has_feature_encrypt(fs->super)) {
3237 fs->super->s_encrypt_algos[0] =
3238 EXT4_ENCRYPTION_MODE_AES_256_XTS;
3239 fs->super->s_encrypt_algos[1] =
3240 EXT4_ENCRYPTION_MODE_AES_256_CTS;
3241 }
3242
3243 if (ext2fs_has_feature_metadata_csum(fs->super))
3244 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3245
3246 if (!quiet || noaction)
3247 show_stats(fs);
3248
3249 if (noaction)
3250 exit(0);
3251
3252 if (ext2fs_has_feature_journal_dev(fs->super)) {
3253 create_journal_dev(fs);
3254 printf("\n");
3255 exit(ext2fs_close_free(&fs) ? 1 : 0);
3256 }
3257
3258 if (bad_blocks_filename)
3259 read_bb_file(fs, &bb_list, bad_blocks_filename);
3260 if (cflag)
3261 test_disk(fs, &bb_list);
3262 handle_bad_blocks(fs, bb_list);
3263
3264 fs->stride = fs_stride = fs->super->s_raid_stride;
3265 if (!quiet)
3266 printf("%s", _("Allocating group tables: "));
3267 if (ext2fs_has_feature_flex_bg(fs->super) &&
3268 packed_meta_blocks)
3269 retval = packed_allocate_tables(fs);
3270 else
3271 retval = ext2fs_allocate_tables(fs);
3272 if (retval) {
3273 com_err(program_name, retval, "%s",
3274 _("while trying to allocate filesystem tables"));
3275 exit(1);
3276 }
3277 if (!quiet)
3278 printf("%s", _("done \n"));
3279
3280 /*
3281 * Unmark bad blocks to calculate overhead, because metadata
3282 * blocks and bad blocks can land on the same allocation cluster.
3283 */
3284 if (bb_list) {
3285 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3286 &bb_iter);
3287 if (retval) {
3288 com_err("ext2fs_badblocks_list_iterate_begin", retval,
3289 "%s", _("while unmarking bad blocks"));
3290 exit(1);
3291 }
3292 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3293 ext2fs_unmark_block_bitmap2(fs->block_map, blk);
3294 ext2fs_badblocks_list_iterate_end(bb_iter);
3295 }
3296
3297 retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3298 if (retval) {
3299 com_err(program_name, retval, "%s",
3300 _("\n\twhile converting subcluster bitmap"));
3301 exit(1);
3302 }
3303
3304 retval = ext2fs_count_used_clusters(fs, fs->super->s_first_data_block,
3305 ext2fs_blocks_count(fs->super) - 1,
3306 &overhead);
3307 if (retval) {
3308 com_err(program_name, retval, "%s",
3309 _("while calculating overhead"));
3310 exit(1);
3311 }
3312
3313 if (bb_list) {
3314 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3315 &bb_iter);
3316 if (retval) {
3317 com_err("ext2fs_badblocks_list_iterate_begin", retval,
3318 "%s", _("while marking bad blocks as used"));
3319 exit(1);
3320 }
3321 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3322 ext2fs_mark_block_bitmap2(fs->block_map, blk);
3323 ext2fs_badblocks_list_iterate_end(bb_iter);
3324 }
3325
3326 if (super_only) {
3327 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3328 printf(_("%s may be further corrupted by superblock rewrite\n"),
3329 device_name);
3330 if (!force)
3331 proceed_question(proceed_delay);
3332 fs->super->s_state |= EXT2_ERROR_FS;
3333 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3334 /*
3335 * The command "mke2fs -S" is used to recover
3336 * corrupted file systems, so do not mark any of the
3337 * inodes as unused; we want e2fsck to consider all
3338 * inodes as potentially containing recoverable data.
3339 */
3340 if (ext2fs_has_group_desc_csum(fs)) {
3341 for (i = 0; i < fs->group_desc_count; i++)
3342 ext2fs_bg_itable_unused_set(fs, i, 0);
3343 }
3344 } else {
3345 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3346 blk64_t rsv = 65536 / fs->blocksize;
3347 blk64_t blocks = ext2fs_blocks_count(fs->super);
3348 blk64_t start;
3349 blk64_t ret_blk;
3350
3351 #ifdef ZAP_BOOTBLOCK
3352 zap_sector(fs, 0, 2);
3353 #endif
3354
3355 /*
3356 * Wipe out any old MD RAID (or other) metadata at the end
3357 * of the device. This will also verify that the device is
3358 * as large as we think. Be careful with very small devices.
3359 */
3360 start = (blocks & ~(rsv - 1));
3361 if (start > rsv)
3362 start -= rsv;
3363 if (start > 0)
3364 retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3365 &ret_blk, NULL);
3366
3367 if (retval) {
3368 com_err(program_name, retval,
3369 _("while zeroing block %llu at end of filesystem"),
3370 (unsigned long long) ret_blk);
3371 }
3372 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3373 create_root_dir(fs);
3374 create_lost_and_found(fs);
3375 reserve_inodes(fs);
3376 create_bad_block_inode(fs, bb_list);
3377 if (ext2fs_has_feature_resize_inode(fs->super)) {
3378 retval = ext2fs_create_resize_inode(fs);
3379 if (retval) {
3380 com_err("ext2fs_create_resize_inode", retval,
3381 "%s",
3382 _("while reserving blocks for online resize"));
3383 exit(1);
3384 }
3385 }
3386 }
3387
3388 if (journal_device) {
3389 ext2_filsys jfs;
3390
3391 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3392 NULL) && !force)
3393 proceed_question(proceed_delay);
3394 check_mount(journal_device, force, _("journal"));
3395
3396 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3397 EXT2_FLAG_JOURNAL_DEV_OK, 0,
3398 fs->blocksize, unix_io_manager, &jfs);
3399 if (retval) {
3400 com_err(program_name, retval,
3401 _("while trying to open journal device %s\n"),
3402 journal_device);
3403 exit(1);
3404 }
3405 if (!quiet) {
3406 printf(_("Adding journal to device %s: "),
3407 journal_device);
3408 fflush(stdout);
3409 }
3410 retval = ext2fs_add_journal_device(fs, jfs);
3411 if(retval) {
3412 com_err (program_name, retval,
3413 _("\n\twhile trying to add journal to device %s"),
3414 journal_device);
3415 exit(1);
3416 }
3417 if (!quiet)
3418 printf("%s", _("done\n"));
3419 ext2fs_close_free(&jfs);
3420 free(journal_device);
3421 } else if ((journal_size) ||
3422 ext2fs_has_feature_journal(&fs_param)) {
3423 overhead += EXT2FS_NUM_B2C(fs, jparams.num_journal_blocks + jparams.num_fc_blocks);
3424 if (super_only) {
3425 printf("%s", _("Skipping journal creation in super-only mode\n"));
3426 fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3427 goto no_journal;
3428 }
3429
3430 if (!jparams.num_journal_blocks) {
3431 ext2fs_clear_feature_journal(fs->super);
3432 goto no_journal;
3433 }
3434 if (!quiet) {
3435 printf(_("Creating journal (%u blocks): "),
3436 jparams.num_journal_blocks + jparams.num_fc_blocks);
3437 fflush(stdout);
3438 }
3439 retval = ext2fs_add_journal_inode3(fs, &jparams,
3440 journal_location,
3441 journal_flags);
3442 if (retval) {
3443 com_err(program_name, retval, "%s",
3444 _("\n\twhile trying to create journal"));
3445 exit(1);
3446 }
3447 if (!quiet)
3448 printf("%s", _("done\n"));
3449 }
3450 no_journal:
3451 if (!super_only &&
3452 ext2fs_has_feature_mmp(fs->super)) {
3453 retval = ext2fs_mmp_init(fs);
3454 if (retval) {
3455 fprintf(stderr, "%s",
3456 _("\nError while enabling multiple "
3457 "mount protection feature."));
3458 exit(1);
3459 }
3460 if (!quiet)
3461 printf(_("Multiple mount protection is enabled "
3462 "with update interval %d seconds.\n"),
3463 fs->super->s_mmp_update_interval);
3464 }
3465
3466 overhead += fs->super->s_first_data_block;
3467 if (!super_only)
3468 fs->super->s_overhead_clusters = overhead;
3469
3470 if (ext2fs_has_feature_bigalloc(&fs_param))
3471 fix_cluster_bg_counts(fs);
3472 if (ext2fs_has_feature_quota(&fs_param))
3473 create_quota_inodes(fs);
3474
3475 retval = mk_hugefiles(fs, device_name);
3476 if (retval)
3477 com_err(program_name, retval, "while creating huge files");
3478 /* Copy files from the specified directory */
3479 if (src_root_dir) {
3480 if (!quiet)
3481 printf("%s", _("Copying files into the device: "));
3482
3483 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3484 EXT2_ROOT_INO);
3485 if (retval) {
3486 com_err(program_name, retval, "%s",
3487 _("while populating file system"));
3488 exit(1);
3489 } else if (!quiet)
3490 printf("%s", _("done\n"));
3491 }
3492
3493 if (!quiet)
3494 printf("%s", _("Writing superblocks and "
3495 "filesystem accounting information: "));
3496 checkinterval = fs->super->s_checkinterval;
3497 max_mnt_count = fs->super->s_max_mnt_count;
3498 retval = ext2fs_close_free(&fs);
3499 if (retval) {
3500 com_err(program_name, retval, "%s",
3501 _("while writing out and closing file system"));
3502 retval = 1;
3503 } else if (!quiet) {
3504 printf("%s", _("done\n\n"));
3505 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3506 print_check_message(max_mnt_count, checkinterval);
3507 }
3508
3509 remove_error_table(&et_ext2_error_table);
3510 remove_error_table(&et_prof_error_table);
3511 profile_release(profile);
3512 for (i=0; fs_types[i]; i++)
3513 free(fs_types[i]);
3514 free(fs_types);
3515 return retval;
3516 }
Ext 2/3/4 filesystem utilities