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mke2fs: Avoid crashes / infinite loops for absurdly large devices
[tools/e2fsprogs.git] / misc / mke2fs.c
1 /*
2  * mke2fs.c - Make a ext2fs filesystem.
3  *
4  * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
5  *      2003, 2004, 2005 by Theodore Ts'o.
6  *
7  * %Begin-Header%
8  * This file may be redistributed under the terms of the GNU Public
9  * License.
10  * %End-Header%
11  */
12
13 /* Usage: mke2fs [options] device
14  *
15  * The device may be a block device or a image of one, but this isn't
16  * enforced (but it's not much fun on a character device :-).
17  */
18
19 #define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX */
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 #include <sys/ioctl.h>
47 #include <libgen.h>
48 #include <limits.h>
49 #include <blkid/blkid.h>
50
51 #include "ext2fs/ext2_fs.h"
52 #include "ext2fs/ext2fsP.h"
53 #include "uuid/uuid.h"
54 #include "util.h"
55 #include "support/nls-enable.h"
56 #include "support/plausible.h"
57 #include "support/profile.h"
58 #include "support/prof_err.h"
59 #include "../version.h"
60 #include "support/quotaio.h"
61 #include "mke2fs.h"
62 #include "create_inode.h"
63
64 #define STRIDE_LENGTH 8
65
66 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
67
68 #ifndef __sparc__
69 #define ZAP_BOOTBLOCK
70 #endif
71
72 #define DISCARD_STEP_MB         (2048)
73
74 extern int isatty(int);
75 extern FILE *fpopen(const char *cmd, const char *mode);
76
77 const char * program_name = "mke2fs";
78 static const char * device_name /* = NULL */;
79
80 /* Command line options */
81 static int      cflag;
82 int     verbose;
83 int     quiet;
84 static int      super_only;
85 static int      discard = 1;    /* attempt to discard device before fs creation */
86 static int      direct_io;
87 static int      force;
88 static int      noaction;
89 static int      num_backups = 2; /* number of backup bg's for sparse_super2 */
90 static uid_t    root_uid;
91 static gid_t    root_gid;
92 int     journal_size;
93 int     journal_flags;
94 static int      lazy_itable_init;
95 static int      packed_meta_blocks;
96 static char     *bad_blocks_filename = NULL;
97 static __u32    fs_stride;
98 /* Initialize usr/grp quotas by default */
99 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
100 static __u64    offset;
101 static blk64_t journal_location = ~0LL;
102 static int      proceed_delay = -1;
103 static blk64_t  dev_size;
104
105 static struct ext2_super_block fs_param;
106 static char *fs_uuid = NULL;
107 static char *creator_os;
108 static char *volume_label;
109 static char *mount_dir;
110 char *journal_device;
111 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
112 char **fs_types;
113 const char *src_root_dir;  /* Copy files from the specified directory */
114 static char *undo_file;
115
116 static profile_t        profile;
117
118 static int sys_page_size = 4096;
119
120 static int errors_behavior = 0;
121
122 static void usage(void)
123 {
124         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
125         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
126         "[-J journal-options]\n"
127         "\t[-G flex-group-size] [-N number-of-inodes] "
128         "[-d root-directory]\n"
129         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
130         "\t[-g blocks-per-group] [-L volume-label] "
131         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
132         "[-r fs-revision] [-E extended-option[,...]]\n"
133         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
134         "[-z undo_file]\n"
135         "\t[-jnqvDFSV] device [blocks-count]\n"),
136                 program_name);
137         exit(1);
138 }
139
140 static int int_log2(unsigned long long arg)
141 {
142         int     l = 0;
143
144         arg >>= 1;
145         while (arg) {
146                 l++;
147                 arg >>= 1;
148         }
149         return l;
150 }
151
152 int int_log10(unsigned long long arg)
153 {
154         int     l;
155
156         for (l=0; arg ; l++)
157                 arg = arg / 10;
158         return l;
159 }
160
161 #ifdef __linux__
162 static int parse_version_number(const char *s)
163 {
164         int     major, minor, rev;
165         char    *endptr;
166         const char *cp = s;
167
168         if (!s)
169                 return 0;
170         major = strtol(cp, &endptr, 10);
171         if (cp == endptr || *endptr != '.')
172                 return 0;
173         cp = endptr + 1;
174         minor = strtol(cp, &endptr, 10);
175         if (cp == endptr || *endptr != '.')
176                 return 0;
177         cp = endptr + 1;
178         rev = strtol(cp, &endptr, 10);
179         if (cp == endptr)
180                 return 0;
181         return KERNEL_VERSION(major, minor, rev);
182 }
183
184 static int is_before_linux_ver(unsigned int major, unsigned int minor,
185                                unsigned int rev)
186 {
187         struct          utsname ut;
188         static int      linux_version_code = -1;
189
190         if (uname(&ut)) {
191                 perror("uname");
192                 exit(1);
193         }
194         if (linux_version_code < 0)
195                 linux_version_code = parse_version_number(ut.release);
196         if (linux_version_code == 0)
197                 return 0;
198
199         return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
200 }
201 #else
202 static int is_before_linux_ver(unsigned int major, unsigned int minor,
203                                unsigned int rev)
204 {
205         return 0;
206 }
207 #endif
208
209 /*
210  * Helper function for read_bb_file and test_disk
211  */
212 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
213 {
214         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
215         return;
216 }
217
218 /*
219  * Reads the bad blocks list from a file
220  */
221 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
222                          const char *bad_blocks_file)
223 {
224         FILE            *f;
225         errcode_t       retval;
226
227         f = fopen(bad_blocks_file, "r");
228         if (!f) {
229                 com_err("read_bad_blocks_file", errno,
230                         _("while trying to open %s"), bad_blocks_file);
231                 exit(1);
232         }
233         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
234         fclose (f);
235         if (retval) {
236                 com_err("ext2fs_read_bb_FILE", retval, "%s",
237                         _("while reading in list of bad blocks from file"));
238                 exit(1);
239         }
240 }
241
242 /*
243  * Runs the badblocks program to test the disk
244  */
245 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
246 {
247         FILE            *f;
248         errcode_t       retval;
249         char            buf[1024];
250
251         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
252                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
253                 fs->device_name, ext2fs_blocks_count(fs->super)-1);
254         if (verbose)
255                 printf(_("Running command: %s\n"), buf);
256         f = popen(buf, "r");
257         if (!f) {
258                 com_err("popen", errno,
259                         _("while trying to run '%s'"), buf);
260                 exit(1);
261         }
262         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
263         pclose(f);
264         if (retval) {
265                 com_err("ext2fs_read_bb_FILE", retval, "%s",
266                         _("while processing list of bad blocks from program"));
267                 exit(1);
268         }
269 }
270
271 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
272 {
273         dgrp_t                  i;
274         blk_t                   j;
275         unsigned                must_be_good;
276         blk_t                   blk;
277         badblocks_iterate       bb_iter;
278         errcode_t               retval;
279         blk_t                   group_block;
280         int                     group;
281         int                     group_bad;
282
283         if (!bb_list)
284                 return;
285
286         /*
287          * The primary superblock and group descriptors *must* be
288          * good; if not, abort.
289          */
290         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
291         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
292                 if (ext2fs_badblocks_list_test(bb_list, i)) {
293                         fprintf(stderr, _("Block %d in primary "
294                                 "superblock/group descriptor area bad.\n"), i);
295                         fprintf(stderr, _("Blocks %u through %u must be good "
296                                 "in order to build a filesystem.\n"),
297                                 fs->super->s_first_data_block, must_be_good);
298                         fputs(_("Aborting....\n"), stderr);
299                         exit(1);
300                 }
301         }
302
303         /*
304          * See if any of the bad blocks are showing up in the backup
305          * superblocks and/or group descriptors.  If so, issue a
306          * warning and adjust the block counts appropriately.
307          */
308         group_block = fs->super->s_first_data_block +
309                 fs->super->s_blocks_per_group;
310
311         for (i = 1; i < fs->group_desc_count; i++) {
312                 group_bad = 0;
313                 for (j=0; j < fs->desc_blocks+1; j++) {
314                         if (ext2fs_badblocks_list_test(bb_list,
315                                                        group_block + j)) {
316                                 if (!group_bad)
317                                         fprintf(stderr,
318 _("Warning: the backup superblock/group descriptors at block %u contain\n"
319 "       bad blocks.\n\n"),
320                                                 group_block);
321                                 group_bad++;
322                                 group = ext2fs_group_of_blk2(fs, group_block+j);
323                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
324                                 ext2fs_group_desc_csum_set(fs, group);
325                                 ext2fs_free_blocks_count_add(fs->super, 1);
326                         }
327                 }
328                 group_block += fs->super->s_blocks_per_group;
329         }
330
331         /*
332          * Mark all the bad blocks as used...
333          */
334         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
335         if (retval) {
336                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
337                         _("while marking bad blocks as used"));
338                 exit(1);
339         }
340         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
341                 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
342         ext2fs_badblocks_list_iterate_end(bb_iter);
343 }
344
345 static void write_reserved_inodes(ext2_filsys fs)
346 {
347         errcode_t       retval;
348         ext2_ino_t      ino;
349         struct ext2_inode *inode;
350
351         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
352         if (retval) {
353                 com_err("inode_init", retval, _("while allocating memory"));
354                 exit(1);
355         }
356
357         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++)
358                 ext2fs_write_inode_full(fs, ino, inode,
359                                         EXT2_INODE_SIZE(fs->super));
360
361         ext2fs_free_mem(&inode);
362 }
363
364 static errcode_t packed_allocate_tables(ext2_filsys fs)
365 {
366         errcode_t       retval;
367         dgrp_t          i;
368         blk64_t         goal = 0;
369
370         for (i = 0; i < fs->group_desc_count; i++) {
371                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
372                 if (retval)
373                         return retval;
374                 ext2fs_block_alloc_stats2(fs, goal, +1);
375                 ext2fs_block_bitmap_loc_set(fs, i, goal);
376         }
377         for (i = 0; i < fs->group_desc_count; i++) {
378                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
379                 if (retval)
380                         return retval;
381                 ext2fs_block_alloc_stats2(fs, goal, +1);
382                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
383         }
384         for (i = 0; i < fs->group_desc_count; i++) {
385                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
386                 retval = ext2fs_get_free_blocks2(fs, goal, end,
387                                                  fs->inode_blocks_per_group,
388                                                  fs->block_map, &goal);
389                 if (retval)
390                         return retval;
391                 ext2fs_block_alloc_stats_range(fs, goal,
392                                                fs->inode_blocks_per_group, +1);
393                 ext2fs_inode_table_loc_set(fs, i, goal);
394                 ext2fs_group_desc_csum_set(fs, i);
395         }
396         return 0;
397 }
398
399 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
400 {
401         errcode_t       retval;
402         blk64_t         blk;
403         dgrp_t          i;
404         int             num;
405         struct ext2fs_numeric_progress_struct progress;
406
407         ext2fs_numeric_progress_init(fs, &progress,
408                                      _("Writing inode tables: "),
409                                      fs->group_desc_count);
410
411         for (i = 0; i < fs->group_desc_count; i++) {
412                 ext2fs_numeric_progress_update(fs, &progress, i);
413
414                 blk = ext2fs_inode_table_loc(fs, i);
415                 num = fs->inode_blocks_per_group;
416
417                 if (lazy_flag)
418                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
419                                                ext2fs_bg_itable_unused(fs, i)) *
420                                               EXT2_INODE_SIZE(fs->super),
421                                               EXT2_BLOCK_SIZE(fs->super));
422                 if (!lazy_flag || itable_zeroed) {
423                         /* The kernel doesn't need to zero the itable blocks */
424                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
425                         ext2fs_group_desc_csum_set(fs, i);
426                 }
427                 if (!itable_zeroed) {
428                         retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
429                         if (retval) {
430                                 fprintf(stderr, _("\nCould not write %d "
431                                           "blocks in inode table starting at %llu: %s\n"),
432                                         num, blk, error_message(retval));
433                                 exit(1);
434                         }
435                 }
436                 if (sync_kludge) {
437                         if (sync_kludge == 1)
438                                 sync();
439                         else if ((i % sync_kludge) == 0)
440                                 sync();
441                 }
442         }
443         ext2fs_numeric_progress_close(fs, &progress,
444                                       _("done                            \n"));
445
446         /* Reserved inodes must always have correct checksums */
447         if (ext2fs_has_feature_metadata_csum(fs->super))
448                 write_reserved_inodes(fs);
449 }
450
451 static void create_root_dir(ext2_filsys fs)
452 {
453         errcode_t               retval;
454         struct ext2_inode       inode;
455
456         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
457         if (retval) {
458                 com_err("ext2fs_mkdir", retval, "%s",
459                         _("while creating root dir"));
460                 exit(1);
461         }
462         if (root_uid != 0 || root_gid != 0) {
463                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
464                 if (retval) {
465                         com_err("ext2fs_read_inode", retval, "%s",
466                                 _("while reading root inode"));
467                         exit(1);
468                 }
469
470                 inode.i_uid = root_uid;
471                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
472                 inode.i_gid = root_gid;
473                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
474
475                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
476                 if (retval) {
477                         com_err("ext2fs_write_inode", retval, "%s",
478                                 _("while setting root inode ownership"));
479                         exit(1);
480                 }
481         }
482 }
483
484 static void create_lost_and_found(ext2_filsys fs)
485 {
486         unsigned int            lpf_size = 0;
487         errcode_t               retval;
488         ext2_ino_t              ino;
489         const char              *name = "lost+found";
490         int                     i;
491
492         fs->umask = 077;
493         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
494         if (retval) {
495                 com_err("ext2fs_mkdir", retval, "%s",
496                         _("while creating /lost+found"));
497                 exit(1);
498         }
499
500         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
501         if (retval) {
502                 com_err("ext2_lookup", retval, "%s",
503                         _("while looking up /lost+found"));
504                 exit(1);
505         }
506
507         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
508                 /* Ensure that lost+found is at least 2 blocks, so we always
509                  * test large empty blocks for big-block filesystems.  */
510                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
511                     lpf_size >= 2 * fs->blocksize)
512                         break;
513                 retval = ext2fs_expand_dir(fs, ino);
514                 if (retval) {
515                         com_err("ext2fs_expand_dir", retval, "%s",
516                                 _("while expanding /lost+found"));
517                         exit(1);
518                 }
519         }
520 }
521
522 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
523 {
524         errcode_t       retval;
525
526         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
527         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
528         retval = ext2fs_update_bb_inode(fs, bb_list);
529         if (retval) {
530                 com_err("ext2fs_update_bb_inode", retval, "%s",
531                         _("while setting bad block inode"));
532                 exit(1);
533         }
534
535 }
536
537 static void reserve_inodes(ext2_filsys fs)
538 {
539         ext2_ino_t      i;
540
541         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
542                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
543         ext2fs_mark_ib_dirty(fs);
544 }
545
546 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
547 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
548 #define BSD_LABEL_OFFSET        64
549
550 static void zap_sector(ext2_filsys fs, int sect, int nsect)
551 {
552         char *buf;
553         int retval;
554         unsigned int *magic;
555
556         buf = malloc(512*nsect);
557         if (!buf) {
558                 printf(_("Out of memory erasing sectors %d-%d\n"),
559                        sect, sect + nsect - 1);
560                 exit(1);
561         }
562
563         if (sect == 0) {
564                 /* Check for a BSD disklabel, and don't erase it if so */
565                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
566                 if (retval)
567                         fprintf(stderr,
568                                 _("Warning: could not read block 0: %s\n"),
569                                 error_message(retval));
570                 else {
571                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
572                         if ((*magic == BSD_DISKMAGIC) ||
573                             (*magic == BSD_MAGICDISK))
574                                 return;
575                 }
576         }
577
578         memset(buf, 0, 512*nsect);
579         io_channel_set_blksize(fs->io, 512);
580         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
581         io_channel_set_blksize(fs->io, fs->blocksize);
582         free(buf);
583         if (retval)
584                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
585                         sect, error_message(retval));
586 }
587
588 static void create_journal_dev(ext2_filsys fs)
589 {
590         struct ext2fs_numeric_progress_struct progress;
591         errcode_t               retval;
592         char                    *buf;
593         blk64_t                 blk, err_blk;
594         int                     c, count, err_count;
595
596         retval = ext2fs_create_journal_superblock(fs,
597                                   ext2fs_blocks_count(fs->super), 0, &buf);
598         if (retval) {
599                 com_err("create_journal_dev", retval, "%s",
600                         _("while initializing journal superblock"));
601                 exit(1);
602         }
603
604         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
605                 goto write_superblock;
606
607         ext2fs_numeric_progress_init(fs, &progress,
608                                      _("Zeroing journal device: "),
609                                      ext2fs_blocks_count(fs->super));
610         blk = 0;
611         count = ext2fs_blocks_count(fs->super);
612         while (count > 0) {
613                 if (count > 1024)
614                         c = 1024;
615                 else
616                         c = count;
617                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
618                 if (retval) {
619                         com_err("create_journal_dev", retval,
620                                 _("while zeroing journal device "
621                                   "(block %llu, count %d)"),
622                                 err_blk, err_count);
623                         exit(1);
624                 }
625                 blk += c;
626                 count -= c;
627                 ext2fs_numeric_progress_update(fs, &progress, blk);
628         }
629
630         ext2fs_numeric_progress_close(fs, &progress, NULL);
631 write_superblock:
632         retval = io_channel_write_blk64(fs->io,
633                                         fs->super->s_first_data_block+1,
634                                         1, buf);
635         if (retval) {
636                 com_err("create_journal_dev", retval, "%s",
637                         _("while writing journal superblock"));
638                 exit(1);
639         }
640 }
641
642 static void show_stats(ext2_filsys fs)
643 {
644         struct ext2_super_block *s = fs->super;
645         char                    buf[80];
646         char                    *os;
647         blk64_t                 group_block;
648         dgrp_t                  i;
649         int                     need, col_left;
650
651         if (!verbose) {
652                 printf(_("Creating filesystem with %llu %dk blocks and "
653                          "%u inodes\n"),
654                        ext2fs_blocks_count(s), fs->blocksize >> 10,
655                        s->s_inodes_count);
656                 goto skip_details;
657         }
658
659         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
660                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
661                        ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
662
663         memset(buf, 0, sizeof(buf));
664         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
665         printf(_("Filesystem label=%s\n"), buf);
666         os = e2p_os2string(fs->super->s_creator_os);
667         if (os)
668                 printf(_("OS type: %s\n"), os);
669         free(os);
670         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
671                 s->s_log_block_size);
672         if (ext2fs_has_feature_bigalloc(fs->super))
673                 printf(_("Cluster size=%u (log=%u)\n"),
674                        fs->blocksize << fs->cluster_ratio_bits,
675                        s->s_log_cluster_size);
676         else
677                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
678                        s->s_log_cluster_size);
679         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
680                s->s_raid_stride, s->s_raid_stripe_width);
681         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
682                ext2fs_blocks_count(s));
683         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
684                 ext2fs_r_blocks_count(s),
685                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
686         printf(_("First data block=%u\n"), s->s_first_data_block);
687         if (root_uid != 0 || root_gid != 0)
688                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
689         if (s->s_reserved_gdt_blocks)
690                 printf(_("Maximum filesystem blocks=%lu\n"),
691                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
692                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
693         if (fs->group_desc_count > 1)
694                 printf(_("%u block groups\n"), fs->group_desc_count);
695         else
696                 printf(_("%u block group\n"), fs->group_desc_count);
697         if (ext2fs_has_feature_bigalloc(fs->super))
698                 printf(_("%u blocks per group, %u clusters per group\n"),
699                        s->s_blocks_per_group, s->s_clusters_per_group);
700         else
701                 printf(_("%u blocks per group, %u fragments per group\n"),
702                        s->s_blocks_per_group, s->s_clusters_per_group);
703         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
704
705 skip_details:
706         if (fs->group_desc_count == 1) {
707                 printf("\n");
708                 return;
709         }
710
711         if (!e2p_is_null_uuid(s->s_uuid))
712                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
713         printf("%s", _("Superblock backups stored on blocks: "));
714         group_block = s->s_first_data_block;
715         col_left = 0;
716         for (i = 1; i < fs->group_desc_count; i++) {
717                 group_block += s->s_blocks_per_group;
718                 if (!ext2fs_bg_has_super(fs, i))
719                         continue;
720                 if (i != 1)
721                         printf(", ");
722                 need = int_log10(group_block) + 2;
723                 if (need > col_left) {
724                         printf("\n\t");
725                         col_left = 72;
726                 }
727                 col_left -= need;
728                 printf("%llu", group_block);
729         }
730         printf("\n\n");
731 }
732
733 /*
734  * Returns true if making a file system for the Hurd, else 0
735  */
736 static int for_hurd(const char *os)
737 {
738         if (!os) {
739 #ifdef __GNU__
740                 return 1;
741 #else
742                 return 0;
743 #endif
744         }
745         if (isdigit(*os))
746                 return (atoi(os) == EXT2_OS_HURD);
747         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
748 }
749
750 /*
751  * Set the S_CREATOR_OS field.  Return true if OS is known,
752  * otherwise, 0.
753  */
754 static int set_os(struct ext2_super_block *sb, char *os)
755 {
756         if (isdigit (*os))
757                 sb->s_creator_os = atoi (os);
758         else if (strcasecmp(os, "linux") == 0)
759                 sb->s_creator_os = EXT2_OS_LINUX;
760         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
761                 sb->s_creator_os = EXT2_OS_HURD;
762         else if (strcasecmp(os, "freebsd") == 0)
763                 sb->s_creator_os = EXT2_OS_FREEBSD;
764         else if (strcasecmp(os, "lites") == 0)
765                 sb->s_creator_os = EXT2_OS_LITES;
766         else
767                 return 0;
768         return 1;
769 }
770
771 #define PATH_SET "PATH=/sbin"
772
773 static void parse_extended_opts(struct ext2_super_block *param,
774                                 const char *opts)
775 {
776         char    *buf, *token, *next, *p, *arg, *badopt = 0;
777         int     len;
778         int     r_usage = 0;
779         int     ret;
780
781         len = strlen(opts);
782         buf = malloc(len+1);
783         if (!buf) {
784                 fprintf(stderr, "%s",
785                         _("Couldn't allocate memory to parse options!\n"));
786                 exit(1);
787         }
788         strcpy(buf, opts);
789         for (token = buf; token && *token; token = next) {
790                 p = strchr(token, ',');
791                 next = 0;
792                 if (p) {
793                         *p = 0;
794                         next = p+1;
795                 }
796                 arg = strchr(token, '=');
797                 if (arg) {
798                         *arg = 0;
799                         arg++;
800                 }
801                 if (strcmp(token, "desc-size") == 0 ||
802                     strcmp(token, "desc_size") == 0) {
803                         int desc_size;
804
805                         if (!ext2fs_has_feature_64bit(&fs_param)) {
806                                 fprintf(stderr,
807                                         _("%s requires '-O 64bit'\n"), token);
808                                 r_usage++;
809                                 continue;
810                         }
811                         if (param->s_reserved_gdt_blocks != 0) {
812                                 fprintf(stderr,
813                                         _("'%s' must be before 'resize=%u'\n"),
814                                         token, param->s_reserved_gdt_blocks);
815                                 r_usage++;
816                                 continue;
817                         }
818                         if (!arg) {
819                                 r_usage++;
820                                 badopt = token;
821                                 continue;
822                         }
823                         desc_size = strtoul(arg, &p, 0);
824                         if (*p || (desc_size & (desc_size - 1))) {
825                                 fprintf(stderr,
826                                         _("Invalid desc_size: '%s'\n"), arg);
827                                 r_usage++;
828                                 continue;
829                         }
830                         param->s_desc_size = desc_size;
831                 } else if (strcmp(token, "offset") == 0) {
832                         if (!arg) {
833                                 r_usage++;
834                                 badopt = token;
835                                 continue;
836                         }
837                         offset = strtoull(arg, &p, 0);
838                         if (*p) {
839                                 fprintf(stderr, _("Invalid offset: %s\n"),
840                                         arg);
841                                 r_usage++;
842                                 continue;
843                         }
844                 } else if (strcmp(token, "mmp_update_interval") == 0) {
845                         if (!arg) {
846                                 r_usage++;
847                                 badopt = token;
848                                 continue;
849                         }
850                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
851                         if (*p) {
852                                 fprintf(stderr,
853                                         _("Invalid mmp_update_interval: %s\n"),
854                                         arg);
855                                 r_usage++;
856                                 continue;
857                         }
858                 } else if (strcmp(token, "num_backup_sb") == 0) {
859                         if (!arg) {
860                                 r_usage++;
861                                 badopt = token;
862                                 continue;
863                         }
864                         num_backups = strtoul(arg, &p, 0);
865                         if (*p || num_backups > 2) {
866                                 fprintf(stderr,
867                                         _("Invalid # of backup "
868                                           "superblocks: %s\n"),
869                                         arg);
870                                 r_usage++;
871                                 continue;
872                         }
873                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
874                         if (arg)
875                                 packed_meta_blocks = strtoul(arg, &p, 0);
876                         else
877                                 packed_meta_blocks = 1;
878                         if (packed_meta_blocks)
879                                 journal_location = 0;
880                 } else if (strcmp(token, "stride") == 0) {
881                         if (!arg) {
882                                 r_usage++;
883                                 badopt = token;
884                                 continue;
885                         }
886                         param->s_raid_stride = strtoul(arg, &p, 0);
887                         if (*p) {
888                                 fprintf(stderr,
889                                         _("Invalid stride parameter: %s\n"),
890                                         arg);
891                                 r_usage++;
892                                 continue;
893                         }
894                 } else if (strcmp(token, "stripe-width") == 0 ||
895                            strcmp(token, "stripe_width") == 0) {
896                         if (!arg) {
897                                 r_usage++;
898                                 badopt = token;
899                                 continue;
900                         }
901                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
902                         if (*p) {
903                                 fprintf(stderr,
904                                         _("Invalid stripe-width parameter: %s\n"),
905                                         arg);
906                                 r_usage++;
907                                 continue;
908                         }
909                 } else if (!strcmp(token, "resize")) {
910                         blk64_t resize;
911                         unsigned long bpg, rsv_groups;
912                         unsigned long group_desc_count, desc_blocks;
913                         unsigned int gdpb, blocksize;
914                         int rsv_gdb;
915
916                         if (!arg) {
917                                 r_usage++;
918                                 badopt = token;
919                                 continue;
920                         }
921
922                         resize = parse_num_blocks2(arg,
923                                                    param->s_log_block_size);
924
925                         if (resize == 0) {
926                                 fprintf(stderr,
927                                         _("Invalid resize parameter: %s\n"),
928                                         arg);
929                                 r_usage++;
930                                 continue;
931                         }
932                         if (resize <= ext2fs_blocks_count(param)) {
933                                 fprintf(stderr, "%s",
934                                         _("The resize maximum must be greater "
935                                           "than the filesystem size.\n"));
936                                 r_usage++;
937                                 continue;
938                         }
939
940                         blocksize = EXT2_BLOCK_SIZE(param);
941                         bpg = param->s_blocks_per_group;
942                         if (!bpg)
943                                 bpg = blocksize * 8;
944                         gdpb = EXT2_DESC_PER_BLOCK(param);
945                         group_desc_count = (__u32) ext2fs_div64_ceil(
946                                 ext2fs_blocks_count(param), bpg);
947                         desc_blocks = (group_desc_count +
948                                        gdpb - 1) / gdpb;
949                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
950                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
951                                 desc_blocks;
952                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
953                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
954
955                         if (rsv_gdb > 0) {
956                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
957                                         fprintf(stderr, "%s",
958         _("On-line resizing not supported with revision 0 filesystems\n"));
959                                         free(buf);
960                                         exit(1);
961                                 }
962                                 ext2fs_set_feature_resize_inode(param);
963
964                                 param->s_reserved_gdt_blocks = rsv_gdb;
965                         }
966                 } else if (!strcmp(token, "test_fs")) {
967                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
968                 } else if (!strcmp(token, "lazy_itable_init")) {
969                         if (arg)
970                                 lazy_itable_init = strtoul(arg, &p, 0);
971                         else
972                                 lazy_itable_init = 1;
973                 } else if (!strcmp(token, "lazy_journal_init")) {
974                         if (arg)
975                                 journal_flags |= strtoul(arg, &p, 0) ?
976                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
977                         else
978                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
979                 } else if (!strcmp(token, "root_owner")) {
980                         if (arg) {
981                                 root_uid = strtoul(arg, &p, 0);
982                                 if (*p != ':') {
983                                         fprintf(stderr,
984                                                 _("Invalid root_owner: '%s'\n"),
985                                                 arg);
986                                         r_usage++;
987                                         continue;
988                                 }
989                                 p++;
990                                 root_gid = strtoul(p, &p, 0);
991                                 if (*p) {
992                                         fprintf(stderr,
993                                                 _("Invalid root_owner: '%s'\n"),
994                                                 arg);
995                                         r_usage++;
996                                         continue;
997                                 }
998                         } else {
999                                 root_uid = getuid();
1000                                 root_gid = getgid();
1001                         }
1002                 } else if (!strcmp(token, "discard")) {
1003                         discard = 1;
1004                 } else if (!strcmp(token, "nodiscard")) {
1005                         discard = 0;
1006                 } else if (!strcmp(token, "quotatype")) {
1007                         char *errtok = NULL;
1008
1009                         if (!arg) {
1010                                 r_usage++;
1011                                 badopt = token;
1012                                 continue;
1013                         }
1014                         quotatype_bits = 0;
1015                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1016                         if (ret) {
1017                                 if (errtok) {
1018                                         fprintf(stderr,
1019                                 "Failed to parse quota type at %s", errtok);
1020                                         free(errtok);
1021                                 } else
1022                                         com_err(program_name, ret,
1023                                                 "while parsing quota type");
1024                                 r_usage++;
1025                                 badopt = token;
1026                                 continue;
1027                         }
1028                 } else {
1029                         r_usage++;
1030                         badopt = token;
1031                 }
1032         }
1033         if (r_usage) {
1034                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1035                         "Extended options are separated by commas, "
1036                         "and may take an argument which\n"
1037                         "\tis set off by an equals ('=') sign.\n\n"
1038                         "Valid extended options are:\n"
1039                         "\tmmp_update_interval=<interval>\n"
1040                         "\tnum_backup_sb=<0|1|2>\n"
1041                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1042                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1043                         "\toffset=<offset to create the file system>\n"
1044                         "\tresize=<resize maximum size in blocks>\n"
1045                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1046                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1047                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1048                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1049                         "\ttest_fs\n"
1050                         "\tdiscard\n"
1051                         "\tnodiscard\n"
1052                         "\tquotatype=<quota type(s) to be enabled>\n\n"),
1053                         badopt ? badopt : "");
1054                 free(buf);
1055                 exit(1);
1056         }
1057         if (param->s_raid_stride &&
1058             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1059                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1060                                   "multiple of stride %u.\n\n"),
1061                         param->s_raid_stripe_width, param->s_raid_stride);
1062
1063         free(buf);
1064 }
1065
1066 static __u32 ok_features[3] = {
1067         /* Compat */
1068         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1069                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1070                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1071                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1072                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1073         /* Incompat */
1074         EXT2_FEATURE_INCOMPAT_FILETYPE|
1075                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1076                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1077                 EXT2_FEATURE_INCOMPAT_META_BG|
1078                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1079                 EXT4_FEATURE_INCOMPAT_MMP |
1080                 EXT4_FEATURE_INCOMPAT_64BIT|
1081                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1082                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1083                 EXT4_FEATURE_INCOMPAT_CSUM_SEED,
1084         /* R/O compat */
1085         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1086                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1087                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1088                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1089                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1090                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1091                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1092                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1093                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1094                 EXT4_FEATURE_RO_COMPAT_PROJECT
1095 };
1096
1097
1098 static void syntax_err_report(const char *filename, long err, int line_num)
1099 {
1100         fprintf(stderr,
1101                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1102                 filename, line_num, error_message(err));
1103         exit(1);
1104 }
1105
1106 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1107
1108 static void edit_feature(const char *str, __u32 *compat_array)
1109 {
1110         if (!str)
1111                 return;
1112
1113         if (e2p_edit_feature(str, compat_array, ok_features)) {
1114                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1115                         str);
1116                 exit(1);
1117         }
1118 }
1119
1120 static void edit_mntopts(const char *str, __u32 *mntopts)
1121 {
1122         if (!str)
1123                 return;
1124
1125         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1126                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1127                         str);
1128                 exit(1);
1129         }
1130 }
1131
1132 struct str_list {
1133         char **list;
1134         int num;
1135         int max;
1136 };
1137
1138 static errcode_t init_list(struct str_list *sl)
1139 {
1140         sl->num = 0;
1141         sl->max = 0;
1142         sl->list = malloc((sl->max+1) * sizeof(char *));
1143         if (!sl->list)
1144                 return ENOMEM;
1145         sl->list[0] = 0;
1146         return 0;
1147 }
1148
1149 static errcode_t push_string(struct str_list *sl, const char *str)
1150 {
1151         char **new_list;
1152
1153         if (sl->num >= sl->max) {
1154                 sl->max += 2;
1155                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1156                 if (!new_list)
1157                         return ENOMEM;
1158                 sl->list = new_list;
1159         }
1160         sl->list[sl->num] = malloc(strlen(str)+1);
1161         if (sl->list[sl->num] == 0)
1162                 return ENOMEM;
1163         strcpy(sl->list[sl->num], str);
1164         sl->num++;
1165         sl->list[sl->num] = 0;
1166         return 0;
1167 }
1168
1169 static void print_str_list(char **list)
1170 {
1171         char **cpp;
1172
1173         for (cpp = list; *cpp; cpp++) {
1174                 printf("'%s'", *cpp);
1175                 if (cpp[1])
1176                         fputs(", ", stdout);
1177         }
1178         fputc('\n', stdout);
1179 }
1180
1181 /*
1182  * Return TRUE if the profile has the given subsection
1183  */
1184 static int profile_has_subsection(profile_t prof, const char *section,
1185                                   const char *subsection)
1186 {
1187         void                    *state;
1188         const char              *names[4];
1189         char                    *name;
1190         int                     ret = 0;
1191
1192         names[0] = section;
1193         names[1] = subsection;
1194         names[2] = 0;
1195
1196         if (profile_iterator_create(prof, names,
1197                                     PROFILE_ITER_LIST_SECTION |
1198                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1199                 return 0;
1200
1201         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1202                 free(name);
1203                 ret = 1;
1204         }
1205
1206         profile_iterator_free(&state);
1207         return ret;
1208 }
1209
1210 static char **parse_fs_type(const char *fs_type,
1211                             const char *usage_types,
1212                             struct ext2_super_block *sb,
1213                             blk64_t fs_blocks_count,
1214                             char *progname)
1215 {
1216         const char      *ext_type = 0;
1217         char            *parse_str;
1218         char            *profile_type = 0;
1219         char            *cp, *t;
1220         const char      *size_type;
1221         struct str_list list;
1222         unsigned long long meg;
1223         int             is_hurd = for_hurd(creator_os);
1224
1225         if (init_list(&list))
1226                 return 0;
1227
1228         if (fs_type)
1229                 ext_type = fs_type;
1230         else if (is_hurd)
1231                 ext_type = "ext2";
1232         else if (!strcmp(program_name, "mke3fs"))
1233                 ext_type = "ext3";
1234         else if (!strcmp(program_name, "mke4fs"))
1235                 ext_type = "ext4";
1236         else if (progname) {
1237                 ext_type = strrchr(progname, '/');
1238                 if (ext_type)
1239                         ext_type++;
1240                 else
1241                         ext_type = progname;
1242
1243                 if (!strncmp(ext_type, "mkfs.", 5)) {
1244                         ext_type += 5;
1245                         if (ext_type[0] == 0)
1246                                 ext_type = 0;
1247                 } else
1248                         ext_type = 0;
1249         }
1250
1251         if (!ext_type) {
1252                 profile_get_string(profile, "defaults", "fs_type", 0,
1253                                    "ext2", &profile_type);
1254                 ext_type = profile_type;
1255                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1256                         ext_type = "ext3";
1257         }
1258
1259
1260         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1261             strcmp(ext_type, "ext2")) {
1262                 printf(_("\nYour mke2fs.conf file does not define the "
1263                          "%s filesystem type.\n"), ext_type);
1264                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1265                     !strcmp(ext_type, "ext4dev")) {
1266                         printf("%s", _("You probably need to install an "
1267                                        "updated mke2fs.conf file.\n\n"));
1268                 }
1269                 if (!force) {
1270                         printf("%s", _("Aborting...\n"));
1271                         exit(1);
1272                 }
1273         }
1274
1275         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1276         if (fs_blocks_count < 3 * meg)
1277                 size_type = "floppy";
1278         else if (fs_blocks_count < 512 * meg)
1279                 size_type = "small";
1280         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1281                 size_type = "default";
1282         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1283                 size_type = "big";
1284         else
1285                 size_type = "huge";
1286
1287         if (!usage_types)
1288                 usage_types = size_type;
1289
1290         parse_str = malloc(strlen(usage_types)+1);
1291         if (!parse_str) {
1292                 free(profile_type);
1293                 free(list.list);
1294                 return 0;
1295         }
1296         strcpy(parse_str, usage_types);
1297
1298         if (ext_type)
1299                 push_string(&list, ext_type);
1300         cp = parse_str;
1301         while (1) {
1302                 t = strchr(cp, ',');
1303                 if (t)
1304                         *t = '\0';
1305
1306                 if (*cp) {
1307                         if (profile_has_subsection(profile, "fs_types", cp))
1308                                 push_string(&list, cp);
1309                         else if (strcmp(cp, "default") != 0)
1310                                 fprintf(stderr,
1311                                         _("\nWarning: the fs_type %s is not "
1312                                           "defined in mke2fs.conf\n\n"),
1313                                         cp);
1314                 }
1315                 if (t)
1316                         cp = t+1;
1317                 else
1318                         break;
1319         }
1320         free(parse_str);
1321         free(profile_type);
1322         if (is_hurd)
1323                 push_string(&list, "hurd");
1324         return (list.list);
1325 }
1326
1327 char *get_string_from_profile(char **types, const char *opt,
1328                                      const char *def_val)
1329 {
1330         char *ret = 0;
1331         int i;
1332
1333         for (i=0; types[i]; i++);
1334         for (i-=1; i >=0 ; i--) {
1335                 profile_get_string(profile, "fs_types", types[i],
1336                                    opt, 0, &ret);
1337                 if (ret)
1338                         return ret;
1339         }
1340         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1341         return (ret);
1342 }
1343
1344 int get_int_from_profile(char **types, const char *opt, int def_val)
1345 {
1346         int ret;
1347         char **cpp;
1348
1349         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1350         for (cpp = types; *cpp; cpp++)
1351                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1352         return ret;
1353 }
1354
1355 static unsigned int get_uint_from_profile(char **types, const char *opt,
1356                                         unsigned int def_val)
1357 {
1358         unsigned int ret;
1359         char **cpp;
1360
1361         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1362         for (cpp = types; *cpp; cpp++)
1363                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1364         return ret;
1365 }
1366
1367 static double get_double_from_profile(char **types, const char *opt,
1368                                       double def_val)
1369 {
1370         double ret;
1371         char **cpp;
1372
1373         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1374         for (cpp = types; *cpp; cpp++)
1375                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1376         return ret;
1377 }
1378
1379 int get_bool_from_profile(char **types, const char *opt, int def_val)
1380 {
1381         int ret;
1382         char **cpp;
1383
1384         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1385         for (cpp = types; *cpp; cpp++)
1386                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1387         return ret;
1388 }
1389
1390 extern const char *mke2fs_default_profile;
1391 static const char *default_files[] = { "<default>", 0 };
1392
1393 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1394 /*
1395  * Sets the geometry of a device (stripe/stride), and returns the
1396  * device's alignment offset, if any, or a negative error.
1397  */
1398 static int get_device_geometry(const char *file,
1399                                struct ext2_super_block *param,
1400                                unsigned int psector_size)
1401 {
1402         int rc = -1;
1403         unsigned int blocksize;
1404         blkid_probe pr;
1405         blkid_topology tp;
1406         unsigned long min_io;
1407         unsigned long opt_io;
1408         struct stat statbuf;
1409
1410         /* Nothing to do for a regular file */
1411         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1412                 return 0;
1413
1414         pr = blkid_new_probe_from_filename(file);
1415         if (!pr)
1416                 goto out;
1417
1418         tp = blkid_probe_get_topology(pr);
1419         if (!tp)
1420                 goto out;
1421
1422         min_io = blkid_topology_get_minimum_io_size(tp);
1423         opt_io = blkid_topology_get_optimal_io_size(tp);
1424         blocksize = EXT2_BLOCK_SIZE(param);
1425         if ((min_io == 0) && (psector_size > blocksize))
1426                 min_io = psector_size;
1427         if ((opt_io == 0) && min_io)
1428                 opt_io = min_io;
1429         if ((opt_io == 0) && (psector_size > blocksize))
1430                 opt_io = psector_size;
1431
1432         /* setting stripe/stride to blocksize is pointless */
1433         if (min_io > blocksize)
1434                 param->s_raid_stride = min_io / blocksize;
1435         if (opt_io > blocksize)
1436                 param->s_raid_stripe_width = opt_io / blocksize;
1437
1438         rc = blkid_topology_get_alignment_offset(tp);
1439 out:
1440         blkid_free_probe(pr);
1441         return rc;
1442 }
1443 #endif
1444
1445 static void PRS(int argc, char *argv[])
1446 {
1447         int             b, c, flags;
1448         int             cluster_size = 0;
1449         char            *tmp, **cpp;
1450         int             explicit_fssize = 0;
1451         int             blocksize = 0;
1452         int             inode_ratio = 0;
1453         int             inode_size = 0;
1454         unsigned long   flex_bg_size = 0;
1455         double          reserved_ratio = -1.0;
1456         int             lsector_size = 0, psector_size = 0;
1457         int             show_version_only = 0, is_device = 0;
1458         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1459         errcode_t       retval;
1460         char *          oldpath = getenv("PATH");
1461         char *          extended_opts = 0;
1462         char *          fs_type = 0;
1463         char *          usage_types = 0;
1464         /*
1465          * NOTE: A few words about fs_blocks_count and blocksize:
1466          *
1467          * Initially, blocksize is set to zero, which implies 1024.
1468          * If -b is specified, blocksize is updated to the user's value.
1469          *
1470          * Next, the device size or the user's "blocks" command line argument
1471          * is used to set fs_blocks_count; the units are blocksize.
1472          *
1473          * Later, if blocksize hasn't been set and the profile specifies a
1474          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1475          * appropriately.  Note the change in units!
1476          *
1477          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1478          */
1479         blk64_t         fs_blocks_count = 0;
1480         long            sysval;
1481         int             s_opt = -1, r_opt = -1;
1482         char            *fs_features = 0;
1483         int             fs_features_size = 0;
1484         int             use_bsize;
1485         char            *newpath;
1486         int             pathlen = sizeof(PATH_SET) + 1;
1487
1488         if (oldpath)
1489                 pathlen += strlen(oldpath);
1490         newpath = malloc(pathlen);
1491         if (!newpath) {
1492                 fprintf(stderr, "%s",
1493                         _("Couldn't allocate memory for new PATH.\n"));
1494                 exit(1);
1495         }
1496         strcpy(newpath, PATH_SET);
1497
1498         /* Update our PATH to include /sbin  */
1499         if (oldpath) {
1500                 strcat (newpath, ":");
1501                 strcat (newpath, oldpath);
1502         }
1503         putenv (newpath);
1504
1505         tmp = getenv("MKE2FS_SYNC");
1506         if (tmp)
1507                 sync_kludge = atoi(tmp);
1508
1509         /* Determine the system page size if possible */
1510 #ifdef HAVE_SYSCONF
1511 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1512 #define _SC_PAGESIZE _SC_PAGE_SIZE
1513 #endif
1514 #ifdef _SC_PAGESIZE
1515         sysval = sysconf(_SC_PAGESIZE);
1516         if (sysval > 0)
1517                 sys_page_size = sysval;
1518 #endif /* _SC_PAGESIZE */
1519 #endif /* HAVE_SYSCONF */
1520
1521         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1522                 config_fn[0] = tmp;
1523         profile_set_syntax_err_cb(syntax_err_report);
1524         retval = profile_init(config_fn, &profile);
1525         if (retval == ENOENT) {
1526                 retval = profile_init(default_files, &profile);
1527                 if (retval)
1528                         goto profile_error;
1529                 retval = profile_set_default(profile, mke2fs_default_profile);
1530                 if (retval)
1531                         goto profile_error;
1532         } else if (retval) {
1533 profile_error:
1534                 fprintf(stderr, _("Couldn't init profile successfully"
1535                                   " (error: %ld).\n"), retval);
1536                 exit(1);
1537         }
1538
1539         setbuf(stdout, NULL);
1540         setbuf(stderr, NULL);
1541         add_error_table(&et_ext2_error_table);
1542         add_error_table(&et_prof_error_table);
1543         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1544         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1545
1546         if (is_before_linux_ver(2, 2, 0))
1547                 fs_param.s_rev_level = 0;
1548
1549         if (argc && *argv) {
1550                 program_name = get_progname(*argv);
1551
1552                 /* If called as mkfs.ext3, create a journal inode */
1553                 if (!strcmp(program_name, "mkfs.ext3") ||
1554                     !strcmp(program_name, "mke3fs"))
1555                         journal_size = -1;
1556         }
1557
1558         while ((c = getopt (argc, argv,
1559                     "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) {
1560                 switch (c) {
1561                 case 'b':
1562                         blocksize = parse_num_blocks2(optarg, -1);
1563                         b = (blocksize > 0) ? blocksize : -blocksize;
1564                         if (b < EXT2_MIN_BLOCK_SIZE ||
1565                             b > EXT2_MAX_BLOCK_SIZE) {
1566                                 com_err(program_name, 0,
1567                                         _("invalid block size - %s"), optarg);
1568                                 exit(1);
1569                         }
1570                         if (blocksize > 4096)
1571                                 fprintf(stderr, _("Warning: blocksize %d not "
1572                                                   "usable on most systems.\n"),
1573                                         blocksize);
1574                         if (blocksize > 0)
1575                                 fs_param.s_log_block_size =
1576                                         int_log2(blocksize >>
1577                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1578                         break;
1579                 case 'c':       /* Check for bad blocks */
1580                         cflag++;
1581                         break;
1582                 case 'C':
1583                         cluster_size = parse_num_blocks2(optarg, -1);
1584                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1585                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1586                                 com_err(program_name, 0,
1587                                         _("invalid cluster size - %s"),
1588                                         optarg);
1589                                 exit(1);
1590                         }
1591                         break;
1592                 case 'd':
1593                         src_root_dir = optarg;
1594                         break;
1595                 case 'D':
1596                         direct_io = 1;
1597                         break;
1598                 case 'R':
1599                         com_err(program_name, 0, "%s",
1600                                 _("'-R' is deprecated, use '-E' instead"));
1601                         /* fallthrough */
1602                 case 'E':
1603                         extended_opts = optarg;
1604                         break;
1605                 case 'e':
1606                         if (strcmp(optarg, "continue") == 0)
1607                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1608                         else if (strcmp(optarg, "remount-ro") == 0)
1609                                 errors_behavior = EXT2_ERRORS_RO;
1610                         else if (strcmp(optarg, "panic") == 0)
1611                                 errors_behavior = EXT2_ERRORS_PANIC;
1612                         else {
1613                                 com_err(program_name, 0,
1614                                         _("bad error behavior - %s"),
1615                                         optarg);
1616                                 usage();
1617                         }
1618                         break;
1619                 case 'F':
1620                         force++;
1621                         break;
1622                 case 'g':
1623                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1624                         if (*tmp) {
1625                                 com_err(program_name, 0, "%s",
1626                                 _("Illegal number for blocks per group"));
1627                                 exit(1);
1628                         }
1629                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1630                                 com_err(program_name, 0, "%s",
1631                                 _("blocks per group must be multiple of 8"));
1632                                 exit(1);
1633                         }
1634                         break;
1635                 case 'G':
1636                         flex_bg_size = strtoul(optarg, &tmp, 0);
1637                         if (*tmp) {
1638                                 com_err(program_name, 0, "%s",
1639                                         _("Illegal number for flex_bg size"));
1640                                 exit(1);
1641                         }
1642                         if (flex_bg_size < 1 ||
1643                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1644                                 com_err(program_name, 0, "%s",
1645                                         _("flex_bg size must be a power of 2"));
1646                                 exit(1);
1647                         }
1648                         if (flex_bg_size > MAX_32_NUM) {
1649                                 com_err(program_name, 0,
1650                                 _("flex_bg size (%lu) must be less than"
1651                                 " or equal to 2^31"), flex_bg_size);
1652                                 exit(1);
1653                         }
1654                         break;
1655                 case 'i':
1656                         inode_ratio = parse_num_blocks(optarg, -1);
1657                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1658                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1659                                 com_err(program_name, 0,
1660                                         _("invalid inode ratio %s (min %d/max %d)"),
1661                                         optarg, EXT2_MIN_BLOCK_SIZE,
1662                                         EXT2_MAX_BLOCK_SIZE * 1024);
1663                                 exit(1);
1664                         }
1665                         break;
1666                 case 'I':
1667                         inode_size = strtoul(optarg, &tmp, 0);
1668                         if (*tmp) {
1669                                 com_err(program_name, 0,
1670                                         _("invalid inode size - %s"), optarg);
1671                                 exit(1);
1672                         }
1673                         break;
1674                 case 'j':
1675                         if (!journal_size)
1676                                 journal_size = -1;
1677                         break;
1678                 case 'J':
1679                         parse_journal_opts(optarg);
1680                         break;
1681                 case 'K':
1682                         fprintf(stderr, "%s",
1683                                 _("Warning: -K option is deprecated and "
1684                                   "should not be used anymore. Use "
1685                                   "\'-E nodiscard\' extended option "
1686                                   "instead!\n"));
1687                         discard = 0;
1688                         break;
1689                 case 'l':
1690                         bad_blocks_filename = realloc(bad_blocks_filename,
1691                                                       strlen(optarg) + 1);
1692                         if (!bad_blocks_filename) {
1693                                 com_err(program_name, ENOMEM, "%s",
1694                                         _("in malloc for bad_blocks_filename"));
1695                                 exit(1);
1696                         }
1697                         strcpy(bad_blocks_filename, optarg);
1698                         break;
1699                 case 'L':
1700                         volume_label = optarg;
1701                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1702                                 volume_label[EXT2_LABEL_LEN] = '\0';
1703                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1704                                         volume_label);
1705                         }
1706                         break;
1707                 case 'm':
1708                         reserved_ratio = strtod(optarg, &tmp);
1709                         if ( *tmp || reserved_ratio > 50 ||
1710                              reserved_ratio < 0) {
1711                                 com_err(program_name, 0,
1712                                         _("invalid reserved blocks percent - %s"),
1713                                         optarg);
1714                                 exit(1);
1715                         }
1716                         break;
1717                 case 'M':
1718                         mount_dir = optarg;
1719                         break;
1720                 case 'n':
1721                         noaction++;
1722                         break;
1723                 case 'N':
1724                         num_inodes = strtoul(optarg, &tmp, 0);
1725                         if (*tmp) {
1726                                 com_err(program_name, 0,
1727                                         _("bad num inodes - %s"), optarg);
1728                                         exit(1);
1729                         }
1730                         break;
1731                 case 'o':
1732                         creator_os = optarg;
1733                         break;
1734                 case 'O':
1735                         retval = ext2fs_resize_mem(fs_features_size,
1736                                    fs_features_size + 1 + strlen(optarg),
1737                                                    &fs_features);
1738                         if (retval) {
1739                                 com_err(program_name, retval,
1740                                      _("while allocating fs_feature string"));
1741                                 exit(1);
1742                         }
1743                         if (fs_features_size)
1744                                 strcat(fs_features, ",");
1745                         else
1746                                 fs_features[0] = 0;
1747                         strcat(fs_features, optarg);
1748                         fs_features_size += 1 + strlen(optarg);
1749                         break;
1750                 case 'q':
1751                         quiet = 1;
1752                         break;
1753                 case 'r':
1754                         r_opt = strtoul(optarg, &tmp, 0);
1755                         if (*tmp) {
1756                                 com_err(program_name, 0,
1757                                         _("bad revision level - %s"), optarg);
1758                                 exit(1);
1759                         }
1760                         if (r_opt > EXT2_MAX_SUPP_REV) {
1761                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1762                                         _("while trying to create revision %d"), r_opt);
1763                                 exit(1);
1764                         }
1765                         fs_param.s_rev_level = r_opt;
1766                         break;
1767                 case 's':       /* deprecated */
1768                         s_opt = atoi(optarg);
1769                         break;
1770                 case 'S':
1771                         super_only = 1;
1772                         break;
1773                 case 't':
1774                         if (fs_type) {
1775                                 com_err(program_name, 0, "%s",
1776                                     _("The -t option may only be used once"));
1777                                 exit(1);
1778                         }
1779                         fs_type = strdup(optarg);
1780                         break;
1781                 case 'T':
1782                         if (usage_types) {
1783                                 com_err(program_name, 0, "%s",
1784                                     _("The -T option may only be used once"));
1785                                 exit(1);
1786                         }
1787                         usage_types = strdup(optarg);
1788                         break;
1789                 case 'U':
1790                         fs_uuid = optarg;
1791                         break;
1792                 case 'v':
1793                         verbose = 1;
1794                         break;
1795                 case 'V':
1796                         /* Print version number and exit */
1797                         show_version_only++;
1798                         break;
1799                 case 'z':
1800                         undo_file = optarg;
1801                         break;
1802                 default:
1803                         usage();
1804                 }
1805         }
1806         if ((optind == argc) && !show_version_only)
1807                 usage();
1808         device_name = argv[optind++];
1809
1810         if (!quiet || show_version_only)
1811                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1812                          E2FSPROGS_DATE);
1813
1814         if (show_version_only) {
1815                 fprintf(stderr, _("\tUsing %s\n"),
1816                         error_message(EXT2_ET_BASE));
1817                 exit(0);
1818         }
1819
1820         /*
1821          * If there's no blocksize specified and there is a journal
1822          * device, use it to figure out the blocksize
1823          */
1824         if (blocksize <= 0 && journal_device) {
1825                 ext2_filsys     jfs;
1826                 io_manager      io_ptr;
1827
1828 #ifdef CONFIG_TESTIO_DEBUG
1829                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1830                         io_ptr = test_io_manager;
1831                         test_io_backing_manager = unix_io_manager;
1832                 } else
1833 #endif
1834                         io_ptr = unix_io_manager;
1835                 retval = ext2fs_open(journal_device,
1836                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1837                                      0, io_ptr, &jfs);
1838                 if (retval) {
1839                         com_err(program_name, retval,
1840                                 _("while trying to open journal device %s\n"),
1841                                 journal_device);
1842                         exit(1);
1843                 }
1844                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1845                         com_err(program_name, 0,
1846                                 _("Journal dev blocksize (%d) smaller than "
1847                                   "minimum blocksize %d\n"), jfs->blocksize,
1848                                 -blocksize);
1849                         exit(1);
1850                 }
1851                 blocksize = jfs->blocksize;
1852                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1853                 fs_param.s_log_block_size =
1854                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1855                 ext2fs_close_free(&jfs);
1856         }
1857
1858         if (optind < argc) {
1859                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1860                                                    fs_param.s_log_block_size);
1861                 if (!fs_blocks_count) {
1862                         com_err(program_name, 0,
1863                                 _("invalid blocks '%s' on device '%s'"),
1864                                 argv[optind - 1], device_name);
1865                         exit(1);
1866                 }
1867         }
1868         if (optind < argc)
1869                 usage();
1870
1871         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1872                             &proceed_delay);
1873
1874         /* The isatty() test is so we don't break existing scripts */
1875         flags = CREATE_FILE;
1876         if (isatty(0) && isatty(1) && !offset)
1877                 flags |= CHECK_FS_EXIST;
1878         if (!quiet)
1879                 flags |= VERBOSE_CREATE;
1880         if (fs_blocks_count == 0)
1881                 flags |= NO_SIZE;
1882         else
1883                 explicit_fssize = 1;
1884         if (!check_plausibility(device_name, flags, &is_device) && !force)
1885                 proceed_question(proceed_delay);
1886
1887         check_mount(device_name, force, _("filesystem"));
1888
1889         /* Determine the size of the device (if possible) */
1890         if (noaction && fs_blocks_count) {
1891                 dev_size = fs_blocks_count;
1892                 retval = 0;
1893         } else
1894                 retval = ext2fs_get_device_size2(device_name,
1895                                                  EXT2_BLOCK_SIZE(&fs_param),
1896                                                  &dev_size);
1897
1898         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1899                 com_err(program_name, retval, "%s",
1900                         _("while trying to determine filesystem size"));
1901                 exit(1);
1902         }
1903         if (!fs_blocks_count) {
1904                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1905                         com_err(program_name, 0, "%s",
1906                                 _("Couldn't determine device size; you "
1907                                 "must specify\nthe size of the "
1908                                 "filesystem\n"));
1909                         exit(1);
1910                 } else {
1911                         if (dev_size == 0) {
1912                                 com_err(program_name, 0, "%s",
1913                                 _("Device size reported to be zero.  "
1914                                   "Invalid partition specified, or\n\t"
1915                                   "partition table wasn't reread "
1916                                   "after running fdisk, due to\n\t"
1917                                   "a modified partition being busy "
1918                                   "and in use.  You may need to reboot\n\t"
1919                                   "to re-read your partition table.\n"
1920                                   ));
1921                                 exit(1);
1922                         }
1923                         fs_blocks_count = dev_size;
1924                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1925                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1926                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1927                 }
1928         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1929                 com_err(program_name, 0, "%s",
1930                         _("Filesystem larger than apparent device size."));
1931                 proceed_question(proceed_delay);
1932         }
1933
1934         if (!fs_type)
1935                 profile_get_string(profile, "devices", device_name,
1936                                    "fs_type", 0, &fs_type);
1937         if (!usage_types)
1938                 profile_get_string(profile, "devices", device_name,
1939                                    "usage_types", 0, &usage_types);
1940
1941         /*
1942          * We have the file system (or device) size, so we can now
1943          * determine the appropriate file system types so the fs can
1944          * be appropriately configured.
1945          */
1946         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1947                                  fs_blocks_count ? fs_blocks_count : dev_size,
1948                                  argv[0]);
1949         if (!fs_types) {
1950                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1951                 exit(1);
1952         }
1953
1954         /* Figure out what features should be enabled */
1955
1956         tmp = NULL;
1957         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1958                 tmp = get_string_from_profile(fs_types, "base_features",
1959                       "sparse_super,large_file,filetype,resize_inode,dir_index");
1960                 edit_feature(tmp, &fs_param.s_feature_compat);
1961                 free(tmp);
1962
1963                 /* And which mount options as well */
1964                 tmp = get_string_from_profile(fs_types, "default_mntopts",
1965                                               "acl,user_xattr");
1966                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
1967                 if (tmp)
1968                         free(tmp);
1969
1970                 for (cpp = fs_types; *cpp; cpp++) {
1971                         tmp = NULL;
1972                         profile_get_string(profile, "fs_types", *cpp,
1973                                            "features", "", &tmp);
1974                         if (tmp && *tmp)
1975                                 edit_feature(tmp, &fs_param.s_feature_compat);
1976                         if (tmp)
1977                                 free(tmp);
1978                 }
1979                 tmp = get_string_from_profile(fs_types, "default_features",
1980                                               "");
1981         }
1982         /* Mask off features which aren't supported by the Hurd */
1983         if (for_hurd(creator_os)) {
1984                 ext2fs_clear_feature_filetype(&fs_param);
1985                 ext2fs_clear_feature_huge_file(&fs_param);
1986                 ext2fs_clear_feature_metadata_csum(&fs_param);
1987         }
1988         edit_feature(fs_features ? fs_features : tmp,
1989                      &fs_param.s_feature_compat);
1990         if (tmp)
1991                 free(tmp);
1992         (void) ext2fs_free_mem(&fs_features);
1993         /*
1994          * If the user specified features incompatible with the Hurd, complain
1995          */
1996         if (for_hurd(creator_os)) {
1997                 if (ext2fs_has_feature_filetype(&fs_param)) {
1998                         fprintf(stderr, "%s", _("The HURD does not support the "
1999                                                 "filetype feature.\n"));
2000                         exit(1);
2001                 }
2002                 if (ext2fs_has_feature_huge_file(&fs_param)) {
2003                         fprintf(stderr, "%s", _("The HURD does not support the "
2004                                                 "huge_file feature.\n"));
2005                         exit(1);
2006                 }
2007                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2008                         fprintf(stderr, "%s", _("The HURD does not support the "
2009                                                 "metadata_csum feature.\n"));
2010                         exit(1);
2011                 }
2012         }
2013
2014         /* Get the hardware sector sizes, if available */
2015         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2016         if (retval) {
2017                 com_err(program_name, retval, "%s",
2018                         _("while trying to determine hardware sector size"));
2019                 exit(1);
2020         }
2021         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2022         if (retval) {
2023                 com_err(program_name, retval, "%s",
2024                         _("while trying to determine physical sector size"));
2025                 exit(1);
2026         }
2027
2028         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2029         if (tmp != NULL)
2030                 lsector_size = atoi(tmp);
2031         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2032         if (tmp != NULL)
2033                 psector_size = atoi(tmp);
2034
2035         /* Older kernels may not have physical/logical distinction */
2036         if (!psector_size)
2037                 psector_size = lsector_size;
2038
2039         if (blocksize <= 0) {
2040                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2041
2042                 if (use_bsize == -1) {
2043                         use_bsize = sys_page_size;
2044                         if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2045                                 use_bsize = 4096;
2046                 }
2047                 if (lsector_size && use_bsize < lsector_size)
2048                         use_bsize = lsector_size;
2049                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2050                         use_bsize = -blocksize;
2051                 blocksize = use_bsize;
2052                 fs_blocks_count /= (blocksize / 1024);
2053         } else {
2054                 if (blocksize < lsector_size) {                 /* Impossible */
2055                         com_err(program_name, EINVAL, "%s",
2056                                 _("while setting blocksize; too small "
2057                                   "for device\n"));
2058                         exit(1);
2059                 } else if ((blocksize < psector_size) &&
2060                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2061                         fprintf(stderr, _("Warning: specified blocksize %d is "
2062                                 "less than device physical sectorsize %d\n"),
2063                                 blocksize, psector_size);
2064                 }
2065         }
2066
2067         fs_param.s_log_block_size =
2068                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2069
2070         /*
2071          * We now need to do a sanity check of fs_blocks_count for
2072          * 32-bit vs 64-bit block number support.
2073          */
2074         if ((fs_blocks_count > MAX_32_NUM) &&
2075             ext2fs_has_feature_64bit(&fs_param))
2076                 ext2fs_clear_feature_resize_inode(&fs_param);
2077         if ((fs_blocks_count > MAX_32_NUM) &&
2078             !ext2fs_has_feature_64bit(&fs_param) &&
2079             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2080                 ext2fs_set_feature_64bit(&fs_param);
2081                 ext2fs_clear_feature_resize_inode(&fs_param);
2082         }
2083         if ((fs_blocks_count > MAX_32_NUM) &&
2084             !ext2fs_has_feature_64bit(&fs_param)) {
2085                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2086                                   "too big to be expressed\n\t"
2087                                   "in 32 bits using a blocksize of %d.\n"),
2088                         program_name, fs_blocks_count, device_name,
2089                         EXT2_BLOCK_SIZE(&fs_param));
2090                 exit(1);
2091         }
2092         /*
2093          * Guard against group descriptor count overflowing... Mostly to avoid
2094          * strange results for absurdly large devices.
2095          */
2096         if (fs_blocks_count > ((1ULL << (fs_param.s_log_block_size + 3 + 32)) - 1)) {
2097                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2098                                   "too big to create\n\t"
2099                                   "a filesystem using a blocksize of %d.\n"),
2100                         program_name, fs_blocks_count, device_name,
2101                         EXT2_BLOCK_SIZE(&fs_param));
2102                 exit(1);
2103         }
2104
2105         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2106
2107         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2108                 fs_types[0] = strdup("journal");
2109                 fs_types[1] = 0;
2110         }
2111
2112         if (verbose) {
2113                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2114                 print_str_list(fs_types);
2115         }
2116
2117         if (r_opt == EXT2_GOOD_OLD_REV &&
2118             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2119              fs_param.s_feature_ro_compat)) {
2120                 fprintf(stderr, "%s", _("Filesystem features not supported "
2121                                         "with revision 0 filesystems\n"));
2122                 exit(1);
2123         }
2124
2125         if (s_opt > 0) {
2126                 if (r_opt == EXT2_GOOD_OLD_REV) {
2127                         fprintf(stderr, "%s",
2128                                 _("Sparse superblocks not supported "
2129                                   "with revision 0 filesystems\n"));
2130                         exit(1);
2131                 }
2132                 ext2fs_set_feature_sparse_super(&fs_param);
2133         } else if (s_opt == 0)
2134                 ext2fs_clear_feature_sparse_super(&fs_param);
2135
2136         if (journal_size != 0) {
2137                 if (r_opt == EXT2_GOOD_OLD_REV) {
2138                         fprintf(stderr, "%s", _("Journals not supported with "
2139                                                 "revision 0 filesystems\n"));
2140                         exit(1);
2141                 }
2142                 ext2fs_set_feature_journal(&fs_param);
2143         }
2144
2145         /* Get reserved_ratio from profile if not specified on cmd line. */
2146         if (reserved_ratio < 0.0) {
2147                 reserved_ratio = get_double_from_profile(
2148                                         fs_types, "reserved_ratio", 5.0);
2149                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2150                         com_err(program_name, 0,
2151                                 _("invalid reserved blocks percent - %lf"),
2152                                 reserved_ratio);
2153                         exit(1);
2154                 }
2155         }
2156
2157         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2158                 reserved_ratio = 0;
2159                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2160                 fs_param.s_feature_compat = 0;
2161                 fs_param.s_feature_ro_compat &=
2162                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2163         }
2164
2165         /* Check the user's mkfs options for 64bit */
2166         if (ext2fs_has_feature_64bit(&fs_param) &&
2167             !ext2fs_has_feature_extents(&fs_param)) {
2168                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2169                                "filesystem.  Pass -O extents to rectify.\n"));
2170                 exit(1);
2171         }
2172
2173         /* Set first meta blockgroup via an environment variable */
2174         /* (this is mostly for debugging purposes) */
2175         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2176             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2177                 fs_param.s_first_meta_bg = atoi(tmp);
2178         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2179                 if (!cluster_size)
2180                         cluster_size = get_int_from_profile(fs_types,
2181                                                             "cluster_size",
2182                                                             blocksize*16);
2183                 fs_param.s_log_cluster_size =
2184                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2185                 if (fs_param.s_log_cluster_size &&
2186                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2187                         com_err(program_name, 0, "%s",
2188                                 _("The cluster size may not be "
2189                                   "smaller than the block size.\n"));
2190                         exit(1);
2191                 }
2192         } else if (cluster_size) {
2193                 com_err(program_name, 0, "%s",
2194                         _("specifying a cluster size requires the "
2195                           "bigalloc feature"));
2196                 exit(1);
2197         } else
2198                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2199
2200         if (inode_ratio == 0) {
2201                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2202                                                    8192);
2203                 if (inode_ratio < blocksize)
2204                         inode_ratio = blocksize;
2205                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2206                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2207         }
2208
2209 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2210         retval = get_device_geometry(device_name, &fs_param,
2211                                      (unsigned int) psector_size);
2212         if (retval < 0) {
2213                 fprintf(stderr,
2214                         _("warning: Unable to get device geometry for %s\n"),
2215                         device_name);
2216         } else if (retval) {
2217                 printf(_("%s alignment is offset by %lu bytes.\n"),
2218                        device_name, retval);
2219                 printf(_("This may result in very poor performance, "
2220                           "(re)-partitioning suggested.\n"));
2221         }
2222 #endif
2223
2224         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2225
2226         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2227
2228         /*
2229          * Initialize s_desc_size so that the parse_extended_opts()
2230          * can correctly handle "-E resize=NNN" if the 64-bit option
2231          * is set.
2232          */
2233         if (ext2fs_has_feature_64bit(&fs_param))
2234                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2235
2236         /* This check should happen beyond the last assignment to blocksize */
2237         if (blocksize > sys_page_size) {
2238                 if (!force) {
2239                         com_err(program_name, 0,
2240                                 _("%d-byte blocks too big for system (max %d)"),
2241                                 blocksize, sys_page_size);
2242                         proceed_question(proceed_delay);
2243                 }
2244                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2245                                   "(max %d), forced to continue\n"),
2246                         blocksize, sys_page_size);
2247         }
2248
2249         /* Metadata checksumming wasn't totally stable before 3.18. */
2250         if (is_before_linux_ver(3, 18, 0) &&
2251             ext2fs_has_feature_metadata_csum(&fs_param))
2252                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2253                         "improved stability of the metadata and journal "
2254                         "checksum features.\n"));
2255
2256         /*
2257          * On newer kernels we do have lazy_itable_init support. So pick the
2258          * right default in case ext4 module is not loaded.
2259          */
2260         if (is_before_linux_ver(2, 6, 37))
2261                 lazy_itable_init = 0;
2262         else
2263                 lazy_itable_init = 1;
2264
2265         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2266                 lazy_itable_init = 1;
2267
2268         lazy_itable_init = get_bool_from_profile(fs_types,
2269                                                  "lazy_itable_init",
2270                                                  lazy_itable_init);
2271         discard = get_bool_from_profile(fs_types, "discard" , discard);
2272         journal_flags |= get_bool_from_profile(fs_types,
2273                                                "lazy_journal_init", 0) ?
2274                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2275         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2276
2277         if (!journal_location_string)
2278                 journal_location_string = get_string_from_profile(fs_types,
2279                                                 "journal_location", "");
2280         if ((journal_location == ~0ULL) && journal_location_string &&
2281             *journal_location_string)
2282                 journal_location = parse_num_blocks2(journal_location_string,
2283                                                 fs_param.s_log_block_size);
2284         free(journal_location_string);
2285
2286         packed_meta_blocks = get_bool_from_profile(fs_types,
2287                                                    "packed_meta_blocks", 0);
2288         if (packed_meta_blocks)
2289                 journal_location = 0;
2290
2291         /* Get options from profile */
2292         for (cpp = fs_types; *cpp; cpp++) {
2293                 tmp = NULL;
2294                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2295                         if (tmp && *tmp)
2296                                 parse_extended_opts(&fs_param, tmp);
2297                         free(tmp);
2298         }
2299
2300         if (extended_opts)
2301                 parse_extended_opts(&fs_param, extended_opts);
2302
2303         if (explicit_fssize == 0 && offset > 0) {
2304                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2305                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2306                 fprintf(stderr,
2307                         _("\nWarning: offset specified without an "
2308                           "explicit file system size.\n"
2309                           "Creating a file system with %llu blocks "
2310                           "but this might\n"
2311                           "not be what you want.\n\n"),
2312                         (unsigned long long) fs_blocks_count);
2313         }
2314
2315         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2316         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2317             ext2fs_has_feature_gdt_csum(&fs_param))
2318                 ext2fs_clear_feature_gdt_csum(&fs_param);
2319
2320         /* Can't support bigalloc feature without extents feature */
2321         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2322             !ext2fs_has_feature_extents(&fs_param)) {
2323                 com_err(program_name, 0, "%s",
2324                         _("Can't support bigalloc feature without "
2325                           "extents feature"));
2326                 exit(1);
2327         }
2328
2329         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2330             ext2fs_has_feature_resize_inode(&fs_param)) {
2331                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2332                                         "features are not compatible.\n"
2333                                         "They can not be both enabled "
2334                                         "simultaneously.\n"));
2335                 exit(1);
2336         }
2337
2338         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2339                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2340                                   "still under development\n"
2341                                   "See https://ext4.wiki.kernel.org/"
2342                                   "index.php/Bigalloc for more information\n\n"));
2343
2344         /*
2345          * Since sparse_super is the default, we would only have a problem
2346          * here if it was explicitly disabled.
2347          */
2348         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2349             !ext2fs_has_feature_sparse_super(&fs_param)) {
2350                 com_err(program_name, 0, "%s",
2351                         _("reserved online resize blocks not supported "
2352                           "on non-sparse filesystem"));
2353                 exit(1);
2354         }
2355
2356         if (fs_param.s_blocks_per_group) {
2357                 if (fs_param.s_blocks_per_group < 256 ||
2358                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2359                         com_err(program_name, 0, "%s",
2360                                 _("blocks per group count out of range"));
2361                         exit(1);
2362                 }
2363         }
2364
2365         /*
2366          * If the bigalloc feature is enabled, then the -g option will
2367          * specify the number of clusters per group.
2368          */
2369         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2370                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2371                 fs_param.s_blocks_per_group = 0;
2372         }
2373
2374         if (inode_size == 0)
2375                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2376         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2377                 flex_bg_size = get_uint_from_profile(fs_types,
2378                                                      "flex_bg_size", 16);
2379         if (flex_bg_size) {
2380                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2381                         com_err(program_name, 0, "%s",
2382                                 _("Flex_bg feature not enabled, so "
2383                                   "flex_bg size may not be specified"));
2384                         exit(1);
2385                 }
2386                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2387         }
2388
2389         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2390                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2391                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2392                     inode_size & (inode_size - 1)) {
2393                         com_err(program_name, 0,
2394                                 _("invalid inode size %d (min %d/max %d)"),
2395                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2396                                 blocksize);
2397                         exit(1);
2398                 }
2399                 fs_param.s_inode_size = inode_size;
2400         }
2401
2402         /*
2403          * If inode size is 128 and inline data is enabled, we need
2404          * to notify users that inline data will never be useful.
2405          */
2406         if (ext2fs_has_feature_inline_data(&fs_param) &&
2407             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2408                 com_err(program_name, 0,
2409                         _("%d byte inodes are too small for inline data; "
2410                           "specify larger size"),
2411                         fs_param.s_inode_size);
2412                 exit(1);
2413         }
2414
2415         /*
2416          * If inode size is 128 and project quota is enabled, we need
2417          * to notify users that project ID will never be useful.
2418          */
2419         if (ext2fs_has_feature_project(&fs_param) &&
2420             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2421                 com_err(program_name, 0,
2422                         _("%d byte inodes are too small for project quota; "
2423                           "specify larger size"),
2424                         fs_param.s_inode_size);
2425                 exit(1);
2426         }
2427
2428         /* Make sure number of inodes specified will fit in 32 bits */
2429         if (num_inodes == 0) {
2430                 unsigned long long n;
2431                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2432                 if (n > MAX_32_NUM) {
2433                         if (ext2fs_has_feature_64bit(&fs_param))
2434                                 num_inodes = MAX_32_NUM;
2435                         else {
2436                                 com_err(program_name, 0,
2437                                         _("too many inodes (%llu), raise "
2438                                           "inode ratio?"), n);
2439                                 exit(1);
2440                         }
2441                 }
2442         } else if (num_inodes > MAX_32_NUM) {
2443                 com_err(program_name, 0,
2444                         _("too many inodes (%llu), specify < 2^32 inodes"),
2445                           num_inodes);
2446                 exit(1);
2447         }
2448         /*
2449          * Calculate number of inodes based on the inode ratio
2450          */
2451         fs_param.s_inodes_count = num_inodes ? num_inodes :
2452                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2453
2454         if ((((unsigned long long)fs_param.s_inodes_count) *
2455              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2456             ((ext2fs_blocks_count(&fs_param)) *
2457              EXT2_BLOCK_SIZE(&fs_param))) {
2458                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2459                                           "(%u) too big for a\n\t"
2460                                           "filesystem with %llu blocks, "
2461                                           "specify higher inode_ratio (-i)\n\t"
2462                                           "or lower inode count (-N).\n"),
2463                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2464                         fs_param.s_inodes_count,
2465                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2466                 exit(1);
2467         }
2468
2469         /*
2470          * Calculate number of blocks to reserve
2471          */
2472         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2473                                   ext2fs_blocks_count(&fs_param) / 100.0);
2474
2475         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2476                 if (num_backups >= 1)
2477                         fs_param.s_backup_bgs[0] = 1;
2478                 if (num_backups >= 2)
2479                         fs_param.s_backup_bgs[1] = ~0;
2480         }
2481
2482         free(fs_type);
2483         free(usage_types);
2484 }
2485
2486 static int should_do_undo(const char *name)
2487 {
2488         errcode_t retval;
2489         io_channel channel;
2490         __u16   s_magic;
2491         struct ext2_super_block super;
2492         io_manager manager = unix_io_manager;
2493         int csum_flag, force_undo;
2494
2495         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2496                     ext2fs_has_feature_gdt_csum(&fs_param);
2497         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2498         if (!force_undo && (!csum_flag || !lazy_itable_init))
2499                 return 0;
2500
2501         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2502         if (retval) {
2503                 /*
2504                  * We don't handle error cases instead we
2505                  * declare that the file system doesn't exist
2506                  * and let the rest of mke2fs take care of
2507                  * error
2508                  */
2509                 retval = 0;
2510                 goto open_err_out;
2511         }
2512
2513         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2514         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2515         if (retval) {
2516                 retval = 0;
2517                 goto err_out;
2518         }
2519
2520 #if defined(WORDS_BIGENDIAN)
2521         s_magic = ext2fs_swab16(super.s_magic);
2522 #else
2523         s_magic = super.s_magic;
2524 #endif
2525
2526         if (s_magic == EXT2_SUPER_MAGIC)
2527                 retval = 1;
2528
2529 err_out:
2530         io_channel_close(channel);
2531
2532 open_err_out:
2533
2534         return retval;
2535 }
2536
2537 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2538 {
2539         errcode_t retval = ENOMEM;
2540         char *tdb_dir = NULL, *tdb_file = NULL;
2541         char *dev_name, *tmp_name;
2542         int free_tdb_dir = 0;
2543
2544         /* (re)open a specific undo file */
2545         if (undo_file && undo_file[0] != 0) {
2546                 retval = set_undo_io_backing_manager(*io_ptr);
2547                 if (retval)
2548                         goto err;
2549                 *io_ptr = undo_io_manager;
2550                 retval = set_undo_io_backup_file(undo_file);
2551                 if (retval)
2552                         goto err;
2553                 printf(_("Overwriting existing filesystem; this can be undone "
2554                          "using the command:\n"
2555                          "    e2undo %s %s\n\n"), undo_file, name);
2556                 return retval;
2557         }
2558
2559         /*
2560          * Configuration via a conf file would be
2561          * nice
2562          */
2563         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2564         if (!tdb_dir) {
2565                 profile_get_string(profile, "defaults",
2566                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2567                                    &tdb_dir);
2568                 free_tdb_dir = 1;
2569         }
2570
2571         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2572             access(tdb_dir, W_OK)) {
2573                 if (free_tdb_dir)
2574                         free(tdb_dir);
2575                 return 0;
2576         }
2577
2578         tmp_name = strdup(name);
2579         if (!tmp_name)
2580                 goto errout;
2581         dev_name = basename(tmp_name);
2582         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2583         if (!tdb_file) {
2584                 free(tmp_name);
2585                 goto errout;
2586         }
2587         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2588         free(tmp_name);
2589
2590         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2591                 retval = errno;
2592                 com_err(program_name, retval,
2593                         _("while trying to delete %s"), tdb_file);
2594                 goto errout;
2595         }
2596
2597         retval = set_undo_io_backing_manager(*io_ptr);
2598         if (retval)
2599                 goto errout;
2600         *io_ptr = undo_io_manager;
2601         retval = set_undo_io_backup_file(tdb_file);
2602         if (retval)
2603                 goto errout;
2604         printf(_("Overwriting existing filesystem; this can be undone "
2605                  "using the command:\n"
2606                  "    e2undo %s %s\n\n"), tdb_file, name);
2607
2608         if (free_tdb_dir)
2609                 free(tdb_dir);
2610         free(tdb_file);
2611         return 0;
2612
2613 errout:
2614         if (free_tdb_dir)
2615                 free(tdb_dir);
2616         free(tdb_file);
2617 err:
2618         com_err(program_name, retval, "%s",
2619                 _("while trying to setup undo file\n"));
2620         return retval;
2621 }
2622
2623 static int mke2fs_discard_device(ext2_filsys fs)
2624 {
2625         struct ext2fs_numeric_progress_struct progress;
2626         blk64_t blocks = ext2fs_blocks_count(fs->super);
2627         blk64_t count = DISCARD_STEP_MB;
2628         blk64_t cur;
2629         int retval = 0;
2630
2631         /*
2632          * Let's try if discard really works on the device, so
2633          * we do not print numeric progress resulting in failure
2634          * afterwards.
2635          */
2636         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2637         if (retval)
2638                 return retval;
2639         cur = fs->blocksize;
2640
2641         count *= (1024 * 1024);
2642         count /= fs->blocksize;
2643
2644         ext2fs_numeric_progress_init(fs, &progress,
2645                                      _("Discarding device blocks: "),
2646                                      blocks);
2647         while (cur < blocks) {
2648                 ext2fs_numeric_progress_update(fs, &progress, cur);
2649
2650                 if (cur + count > blocks)
2651                         count = blocks - cur;
2652
2653                 retval = io_channel_discard(fs->io, cur, count);
2654                 if (retval)
2655                         break;
2656                 cur += count;
2657         }
2658
2659         if (retval) {
2660                 ext2fs_numeric_progress_close(fs, &progress,
2661                                       _("failed - "));
2662                 if (!quiet)
2663                         printf("%s\n",error_message(retval));
2664         } else
2665                 ext2fs_numeric_progress_close(fs, &progress,
2666                                       _("done                            \n"));
2667
2668         return retval;
2669 }
2670
2671 static void fix_cluster_bg_counts(ext2_filsys fs)
2672 {
2673         blk64_t         block, num_blocks, last_block, next;
2674         blk64_t         tot_free = 0;
2675         errcode_t       retval;
2676         dgrp_t          group = 0;
2677         int             grp_free = 0;
2678
2679         num_blocks = ext2fs_blocks_count(fs->super);
2680         last_block = ext2fs_group_last_block2(fs, group);
2681         block = fs->super->s_first_data_block;
2682         while (block < num_blocks) {
2683                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2684                                                 block, last_block, &next);
2685                 if (retval == 0)
2686                         block = next;
2687                 else {
2688                         block = last_block + 1;
2689                         goto next_bg;
2690                 }
2691
2692                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2693                                                 block, last_block, &next);
2694                 if (retval)
2695                         next = last_block + 1;
2696                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2697                 tot_free += next - block;
2698                 block = next;
2699
2700                 if (block > last_block) {
2701                 next_bg:
2702                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2703                         ext2fs_group_desc_csum_set(fs, group);
2704                         grp_free = 0;
2705                         group++;
2706                         last_block = ext2fs_group_last_block2(fs, group);
2707                 }
2708         }
2709         ext2fs_free_blocks_count_set(fs->super, tot_free);
2710 }
2711
2712 static int create_quota_inodes(ext2_filsys fs)
2713 {
2714         quota_ctx_t qctx;
2715         errcode_t retval;
2716
2717         retval = quota_init_context(&qctx, fs, QUOTA_ALL_BIT);
2718         if (retval) {
2719                 com_err(program_name, retval,
2720                         _("while initializing quota context"));
2721                 exit(1);
2722         }
2723         quota_compute_usage(qctx);
2724         retval = quota_write_inode(qctx, quotatype_bits);
2725         if (retval) {
2726                 com_err(program_name, retval,
2727                         _("while writing quota inodes"));
2728                 exit(1);
2729         }
2730         quota_release_context(&qctx);
2731
2732         return 0;
2733 }
2734
2735 static errcode_t set_error_behavior(ext2_filsys fs)
2736 {
2737         char    *arg = NULL;
2738         short   errors = fs->super->s_errors;
2739
2740         arg = get_string_from_profile(fs_types, "errors", NULL);
2741         if (arg == NULL)
2742                 goto try_user;
2743
2744         if (strcmp(arg, "continue") == 0)
2745                 errors = EXT2_ERRORS_CONTINUE;
2746         else if (strcmp(arg, "remount-ro") == 0)
2747                 errors = EXT2_ERRORS_RO;
2748         else if (strcmp(arg, "panic") == 0)
2749                 errors = EXT2_ERRORS_PANIC;
2750         else {
2751                 com_err(program_name, 0,
2752                         _("bad error behavior in profile - %s"),
2753                         arg);
2754                 free(arg);
2755                 return EXT2_ET_INVALID_ARGUMENT;
2756         }
2757         free(arg);
2758
2759 try_user:
2760         if (errors_behavior)
2761                 errors = errors_behavior;
2762
2763         fs->super->s_errors = errors;
2764         return 0;
2765 }
2766
2767 int main (int argc, char *argv[])
2768 {
2769         errcode_t       retval = 0;
2770         ext2_filsys     fs;
2771         badblocks_list  bb_list = 0;
2772         unsigned int    journal_blocks = 0;
2773         unsigned int    i, checkinterval;
2774         int             max_mnt_count;
2775         int             val, hash_alg;
2776         int             flags;
2777         int             old_bitmaps;
2778         io_manager      io_ptr;
2779         char            opt_string[40];
2780         char            *hash_alg_str;
2781         int             itable_zeroed = 0;
2782
2783 #ifdef ENABLE_NLS
2784         setlocale(LC_MESSAGES, "");
2785         setlocale(LC_CTYPE, "");
2786         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2787         textdomain(NLS_CAT_NAME);
2788         set_com_err_gettext(gettext);
2789 #endif
2790         PRS(argc, argv);
2791
2792 #ifdef CONFIG_TESTIO_DEBUG
2793         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2794                 io_ptr = test_io_manager;
2795                 test_io_backing_manager = unix_io_manager;
2796         } else
2797 #endif
2798                 io_ptr = unix_io_manager;
2799
2800         if (undo_file != NULL || should_do_undo(device_name)) {
2801                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2802                 if (retval)
2803                         exit(1);
2804         }
2805
2806         /*
2807          * Initialize the superblock....
2808          */
2809         flags = EXT2_FLAG_EXCLUSIVE;
2810         if (direct_io)
2811                 flags |= EXT2_FLAG_DIRECT_IO;
2812         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2813                             &old_bitmaps);
2814         if (!old_bitmaps)
2815                 flags |= EXT2_FLAG_64BITS;
2816         /*
2817          * By default, we print how many inode tables or block groups
2818          * or whatever we've written so far.  The quiet flag disables
2819          * this, along with a lot of other output.
2820          */
2821         if (!quiet)
2822                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2823         retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs);
2824         if (retval) {
2825                 com_err(device_name, retval, "%s",
2826                         _("while setting up superblock"));
2827                 exit(1);
2828         }
2829         fs->progress_ops = &ext2fs_numeric_progress_ops;
2830
2831         /* Set the error behavior */
2832         retval = set_error_behavior(fs);
2833         if (retval)
2834                 usage();
2835
2836         /* Check the user's mkfs options for metadata checksumming */
2837         if (!quiet &&
2838             !ext2fs_has_feature_journal_dev(fs->super) &&
2839             ext2fs_has_feature_metadata_csum(fs->super)) {
2840                 if (!ext2fs_has_feature_extents(fs->super))
2841                         printf("%s",
2842                                _("Extents are not enabled.  The file extent "
2843                                  "tree can be checksummed, whereas block maps "
2844                                  "cannot.  Not enabling extents reduces the "
2845                                  "coverage of metadata checksumming.  "
2846                                  "Pass -O extents to rectify.\n"));
2847                 if (!ext2fs_has_feature_64bit(fs->super))
2848                         printf("%s",
2849                                _("64-bit filesystem support is not enabled.  "
2850                                  "The larger fields afforded by this feature "
2851                                  "enable full-strength checksumming.  "
2852                                  "Pass -O 64bit to rectify.\n"));
2853         }
2854
2855         if (ext2fs_has_feature_csum_seed(fs->super) &&
2856             !ext2fs_has_feature_metadata_csum(fs->super)) {
2857                 printf("%s", _("The metadata_csum_seed feature "
2858                                "requres the metadata_csum feature.\n"));
2859                 exit(1);
2860         }
2861
2862         /* Calculate journal blocks */
2863         if (!journal_device && ((journal_size) ||
2864             ext2fs_has_feature_journal(&fs_param)))
2865                 journal_blocks = figure_journal_size(journal_size, fs);
2866
2867         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2868                 32768 : fs->blocksize * 8);
2869         io_channel_set_options(fs->io, opt_string);
2870         if (offset) {
2871                 sprintf(opt_string, "offset=%llu", offset);
2872                 io_channel_set_options(fs->io, opt_string);
2873         }
2874
2875         /* Can't undo discard ... */
2876         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
2877                 retval = mke2fs_discard_device(fs);
2878                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2879                         if (verbose)
2880                                 printf("%s",
2881                                        _("Discard succeeded and will return "
2882                                          "0s - skipping inode table wipe\n"));
2883                         lazy_itable_init = 1;
2884                         itable_zeroed = 1;
2885                         zero_hugefile = 0;
2886                 }
2887         }
2888
2889         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2890                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2891
2892         if (ext2fs_has_feature_flex_bg(&fs_param) ||
2893             ext2fs_has_feature_huge_file(&fs_param) ||
2894             ext2fs_has_feature_gdt_csum(&fs_param) ||
2895             ext2fs_has_feature_dir_nlink(&fs_param) ||
2896             ext2fs_has_feature_metadata_csum(&fs_param) ||
2897             ext2fs_has_feature_extra_isize(&fs_param))
2898                 fs->super->s_kbytes_written = 1;
2899
2900         /*
2901          * Wipe out the old on-disk superblock
2902          */
2903         if (!noaction)
2904                 zap_sector(fs, 2, 6);
2905
2906         /*
2907          * Parse or generate a UUID for the filesystem
2908          */
2909         if (fs_uuid) {
2910                 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) {
2911                         com_err(device_name, 0, "could not parse UUID: %s\n",
2912                                 fs_uuid);
2913                         exit(1);
2914                 }
2915         } else
2916                 uuid_generate(fs->super->s_uuid);
2917
2918         if (ext2fs_has_feature_csum_seed(fs->super))
2919                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
2920                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
2921
2922         ext2fs_init_csum_seed(fs);
2923
2924         /*
2925          * Initialize the directory index variables
2926          */
2927         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
2928                                                "half_md4");
2929         hash_alg = e2p_string2hash(hash_alg_str);
2930         free(hash_alg_str);
2931         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
2932                 EXT2_HASH_HALF_MD4;
2933         uuid_generate((unsigned char *) fs->super->s_hash_seed);
2934
2935         /*
2936          * Periodic checks can be enabled/disabled via config file.
2937          * Note we override the kernel include file's idea of what the default
2938          * check interval (never) should be.  It's a good idea to check at
2939          * least *occasionally*, specially since servers will never rarely get
2940          * to reboot, since Linux is so robust these days.  :-)
2941          *
2942          * 180 days (six months) seems like a good value.
2943          */
2944 #ifdef EXT2_DFL_CHECKINTERVAL
2945 #undef EXT2_DFL_CHECKINTERVAL
2946 #endif
2947 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
2948
2949         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
2950                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
2951                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
2952                 /*
2953                  * Add "jitter" to the superblock's check interval so that we
2954                  * don't check all the filesystems at the same time.  We use a
2955                  * kludgy hack of using the UUID to derive a random jitter value
2956                  */
2957                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
2958                         val += fs->super->s_uuid[i];
2959                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
2960         } else
2961                 fs->super->s_max_mnt_count = -1;
2962
2963         /*
2964          * Override the creator OS, if applicable
2965          */
2966         if (creator_os && !set_os(fs->super, creator_os)) {
2967                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
2968                 exit(1);
2969         }
2970
2971         /*
2972          * For the Hurd, we will turn off filetype since it doesn't
2973          * support it.
2974          */
2975         if (fs->super->s_creator_os == EXT2_OS_HURD)
2976                 ext2fs_clear_feature_filetype(fs->super);
2977
2978         /*
2979          * Set the volume label...
2980          */
2981         if (volume_label) {
2982                 memset(fs->super->s_volume_name, 0,
2983                        sizeof(fs->super->s_volume_name));
2984                 strncpy(fs->super->s_volume_name, volume_label,
2985                         sizeof(fs->super->s_volume_name));
2986         }
2987
2988         /*
2989          * Set the last mount directory
2990          */
2991         if (mount_dir) {
2992                 memset(fs->super->s_last_mounted, 0,
2993                        sizeof(fs->super->s_last_mounted));
2994                 strncpy(fs->super->s_last_mounted, mount_dir,
2995                         sizeof(fs->super->s_last_mounted));
2996         }
2997
2998         /* Set current default encryption algorithms for data and
2999          * filename encryption */
3000         if (ext2fs_has_feature_encrypt(fs->super)) {
3001                 fs->super->s_encrypt_algos[0] =
3002                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3003                 fs->super->s_encrypt_algos[1] =
3004                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3005         }
3006
3007         if (ext2fs_has_feature_metadata_csum(fs->super))
3008                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3009
3010         if (!quiet || noaction)
3011                 show_stats(fs);
3012
3013         if (noaction)
3014                 exit(0);
3015
3016         if (ext2fs_has_feature_journal_dev(fs->super)) {
3017                 create_journal_dev(fs);
3018                 printf("\n");
3019                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3020         }
3021
3022         if (bad_blocks_filename)
3023                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3024         if (cflag)
3025                 test_disk(fs, &bb_list);
3026         handle_bad_blocks(fs, bb_list);
3027
3028         fs->stride = fs_stride = fs->super->s_raid_stride;
3029         if (!quiet)
3030                 printf("%s", _("Allocating group tables: "));
3031         if (ext2fs_has_feature_flex_bg(fs->super) &&
3032             packed_meta_blocks)
3033                 retval = packed_allocate_tables(fs);
3034         else
3035                 retval = ext2fs_allocate_tables(fs);
3036         if (retval) {
3037                 com_err(program_name, retval, "%s",
3038                         _("while trying to allocate filesystem tables"));
3039                 exit(1);
3040         }
3041         if (!quiet)
3042                 printf("%s", _("done                            \n"));
3043
3044         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3045         if (retval) {
3046                 com_err(program_name, retval, "%s",
3047                         _("\n\twhile converting subcluster bitmap"));
3048                 exit(1);
3049         }
3050
3051         if (super_only) {
3052                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3053                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3054                        device_name);
3055                 if (!force)
3056                         proceed_question(proceed_delay);
3057                 fs->super->s_state |= EXT2_ERROR_FS;
3058                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3059                 /*
3060                  * The command "mke2fs -S" is used to recover
3061                  * corrupted file systems, so do not mark any of the
3062                  * inodes as unused; we want e2fsck to consider all
3063                  * inodes as potentially containing recoverable data.
3064                  */
3065                 if (ext2fs_has_group_desc_csum(fs)) {
3066                         for (i = 0; i < fs->group_desc_count; i++)
3067                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3068                 }
3069         } else {
3070                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3071                 blk64_t rsv = 65536 / fs->blocksize;
3072                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3073                 blk64_t start;
3074                 blk64_t ret_blk;
3075
3076 #ifdef ZAP_BOOTBLOCK
3077                 zap_sector(fs, 0, 2);
3078 #endif
3079
3080                 /*
3081                  * Wipe out any old MD RAID (or other) metadata at the end
3082                  * of the device.  This will also verify that the device is
3083                  * as large as we think.  Be careful with very small devices.
3084                  */
3085                 start = (blocks & ~(rsv - 1));
3086                 if (start > rsv)
3087                         start -= rsv;
3088                 if (start > 0)
3089                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3090                                                     &ret_blk, NULL);
3091
3092                 if (retval) {
3093                         com_err(program_name, retval,
3094                                 _("while zeroing block %llu at end of filesystem"),
3095                                 ret_blk);
3096                 }
3097                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3098                 create_root_dir(fs);
3099                 create_lost_and_found(fs);
3100                 reserve_inodes(fs);
3101                 create_bad_block_inode(fs, bb_list);
3102                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3103                         retval = ext2fs_create_resize_inode(fs);
3104                         if (retval) {
3105                                 com_err("ext2fs_create_resize_inode", retval,
3106                                         "%s",
3107                                 _("while reserving blocks for online resize"));
3108                                 exit(1);
3109                         }
3110                 }
3111         }
3112
3113         if (journal_device) {
3114                 ext2_filsys     jfs;
3115
3116                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3117                                         NULL) && !force)
3118                         proceed_question(proceed_delay);
3119                 check_mount(journal_device, force, _("journal"));
3120
3121                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3122                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3123                                      fs->blocksize, unix_io_manager, &jfs);
3124                 if (retval) {
3125                         com_err(program_name, retval,
3126                                 _("while trying to open journal device %s\n"),
3127                                 journal_device);
3128                         exit(1);
3129                 }
3130                 if (!quiet) {
3131                         printf(_("Adding journal to device %s: "),
3132                                journal_device);
3133                         fflush(stdout);
3134                 }
3135                 retval = ext2fs_add_journal_device(fs, jfs);
3136                 if(retval) {
3137                         com_err (program_name, retval,
3138                                  _("\n\twhile trying to add journal to device %s"),
3139                                  journal_device);
3140                         exit(1);
3141                 }
3142                 if (!quiet)
3143                         printf("%s", _("done\n"));
3144                 ext2fs_close_free(&jfs);
3145                 free(journal_device);
3146         } else if ((journal_size) ||
3147                    ext2fs_has_feature_journal(&fs_param)) {
3148                 if (super_only) {
3149                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3150                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3151                         goto no_journal;
3152                 }
3153
3154                 if (!journal_blocks) {
3155                         ext2fs_clear_feature_journal(fs->super);
3156                         goto no_journal;
3157                 }
3158                 if (!quiet) {
3159                         printf(_("Creating journal (%u blocks): "),
3160                                journal_blocks);
3161                         fflush(stdout);
3162                 }
3163                 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3164                                                    journal_location,
3165                                                    journal_flags);
3166                 if (retval) {
3167                         com_err(program_name, retval, "%s",
3168                                 _("\n\twhile trying to create journal"));
3169                         exit(1);
3170                 }
3171                 if (!quiet)
3172                         printf("%s", _("done\n"));
3173         }
3174 no_journal:
3175         if (!super_only &&
3176             ext2fs_has_feature_mmp(fs->super)) {
3177                 retval = ext2fs_mmp_init(fs);
3178                 if (retval) {
3179                         fprintf(stderr, "%s",
3180                                 _("\nError while enabling multiple "
3181                                   "mount protection feature."));
3182                         exit(1);
3183                 }
3184                 if (!quiet)
3185                         printf(_("Multiple mount protection is enabled "
3186                                  "with update interval %d seconds.\n"),
3187                                fs->super->s_mmp_update_interval);
3188         }
3189
3190         if (ext2fs_has_feature_bigalloc(&fs_param))
3191                 fix_cluster_bg_counts(fs);
3192         if (ext2fs_has_feature_project(&fs_param))
3193                 quotatype_bits |= QUOTA_PRJ_BIT;
3194         if (ext2fs_has_feature_quota(&fs_param))
3195                 create_quota_inodes(fs);
3196
3197         retval = mk_hugefiles(fs, device_name);
3198         if (retval)
3199                 com_err(program_name, retval, "while creating huge files");
3200         /* Copy files from the specified directory */
3201         if (src_root_dir) {
3202                 if (!quiet)
3203                         printf("%s", _("Copying files into the device: "));
3204
3205                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3206                                      EXT2_ROOT_INO);
3207                 if (retval) {
3208                         com_err(program_name, retval, "%s",
3209                                 _("while populating file system"));
3210                         exit(1);
3211                 } else if (!quiet)
3212                         printf("%s", _("done\n"));
3213         }
3214
3215         if (!quiet)
3216                 printf("%s", _("Writing superblocks and "
3217                        "filesystem accounting information: "));
3218         checkinterval = fs->super->s_checkinterval;
3219         max_mnt_count = fs->super->s_max_mnt_count;
3220         retval = ext2fs_close_free(&fs);
3221         if (retval) {
3222                 fprintf(stderr, "%s",
3223                         _("\nWarning, had trouble writing out superblocks."));
3224         } else if (!quiet) {
3225                 printf("%s", _("done\n\n"));
3226                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3227                         print_check_message(max_mnt_count, checkinterval);
3228         }
3229
3230         remove_error_table(&et_ext2_error_table);
3231         remove_error_table(&et_prof_error_table);
3232         profile_release(profile);
3233         for (i=0; fs_types[i]; i++)
3234                 free(fs_types[i]);
3235         free(fs_types);
3236         return retval;
3237 }