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         (void) ext2fs_free_mem(&buf);
 636         if (retval) {
 637                 com_err("create_journal_dev", retval, "%s",
 638                         _("while writing journal superblock"));
 639                 exit(1);
 640         }
 641 }
 642
 643 static void show_stats(ext2_filsys fs)
 644 {
 645         struct ext2_super_block *s = fs->super;
 646         char                    buf[80];
 647         char                    *os;
 648         blk64_t                 group_block;
 649         dgrp_t                  i;
 650         int                     need, col_left;
 651
 652         if (!verbose) {
 653                 printf(_("Creating filesystem with %llu %dk blocks and "
 654                          "%u inodes\n"),
 655                        ext2fs_blocks_count(s), fs->blocksize >> 10,
 656                        s->s_inodes_count);
 657                 goto skip_details;
 658         }
 659
 660         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 661                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 662                        ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
 663
 664         memset(buf, 0, sizeof(buf));
 665         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 666         printf(_("Filesystem label=%s\n"), buf);
 667         os = e2p_os2string(fs->super->s_creator_os);
 668         if (os)
 669                 printf(_("OS type: %s\n"), os);
 670         free(os);
 671         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 672                 s->s_log_block_size);
 673         if (ext2fs_has_feature_bigalloc(fs->super))
 674                 printf(_("Cluster size=%u (log=%u)\n"),
 675                        fs->blocksize << fs->cluster_ratio_bits,
 676                        s->s_log_cluster_size);
 677         else
 678                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 679                        s->s_log_cluster_size);
 680         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 681                s->s_raid_stride, s->s_raid_stripe_width);
 682         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 683                ext2fs_blocks_count(s));
 684         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 685                 ext2fs_r_blocks_count(s),
 686                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 687         printf(_("First data block=%u\n"), s->s_first_data_block);
 688         if (root_uid != 0 || root_gid != 0)
 689                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 690         if (s->s_reserved_gdt_blocks)
 691                 printf(_("Maximum filesystem blocks=%lu\n"),
 692                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 693                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 694         if (fs->group_desc_count > 1)
 695                 printf(_("%u block groups\n"), fs->group_desc_count);
 696         else
 697                 printf(_("%u block group\n"), fs->group_desc_count);
 698         if (ext2fs_has_feature_bigalloc(fs->super))
 699                 printf(_("%u blocks per group, %u clusters per group\n"),
 700                        s->s_blocks_per_group, s->s_clusters_per_group);
 701         else
 702                 printf(_("%u blocks per group, %u fragments per group\n"),
 703                        s->s_blocks_per_group, s->s_clusters_per_group);
 704         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 705
 706 skip_details:
 707         if (fs->group_desc_count == 1) {
 708                 printf("\n");
 709                 return;
 710         }
 711
 712         if (!e2p_is_null_uuid(s->s_uuid))
 713                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 714         printf("%s", _("Superblock backups stored on blocks: "));
 715         group_block = s->s_first_data_block;
 716         col_left = 0;
 717         for (i = 1; i < fs->group_desc_count; i++) {
 718                 group_block += s->s_blocks_per_group;
 719                 if (!ext2fs_bg_has_super(fs, i))
 720                         continue;
 721                 if (i != 1)
 722                         printf(", ");
 723                 need = int_log10(group_block) + 2;
 724                 if (need > col_left) {
 725                         printf("\n\t");
 726                         col_left = 72;
 727                 }
 728                 col_left -= need;
 729                 printf("%llu", group_block);
 730         }
 731         printf("\n\n");
 732 }
 733
 734 /*
 735  * Returns true if making a file system for the Hurd, else 0
 736  */
 737 static int for_hurd(const char *os)
 738 {
 739         if (!os) {
 740 #ifdef __GNU__
 741                 return 1;
 742 #else
 743                 return 0;
 744 #endif
 745         }
 746         if (isdigit(*os))
 747                 return (atoi(os) == EXT2_OS_HURD);
 748         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 749 }
 750
 751 /*
 752  * Set the S_CREATOR_OS field.  Return true if OS is known,
 753  * otherwise, 0.
 754  */
 755 static int set_os(struct ext2_super_block *sb, char *os)
 756 {
 757         if (isdigit (*os))
 758                 sb->s_creator_os = atoi (os);
 759         else if (strcasecmp(os, "linux") == 0)
 760                 sb->s_creator_os = EXT2_OS_LINUX;
 761         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 762                 sb->s_creator_os = EXT2_OS_HURD;
 763         else if (strcasecmp(os, "freebsd") == 0)
 764                 sb->s_creator_os = EXT2_OS_FREEBSD;
 765         else if (strcasecmp(os, "lites") == 0)
 766                 sb->s_creator_os = EXT2_OS_LITES;
 767         else
 768                 return 0;
 769         return 1;
 770 }
 771
 772 #define PATH_SET "PATH=/sbin"
 773
 774 static void parse_extended_opts(struct ext2_super_block *param,
 775                                 const char *opts)
 776 {
 777         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 778         int     len;
 779         int     r_usage = 0;
 780         int     ret;
 781
 782         len = strlen(opts);
 783         buf = malloc(len+1);
 784         if (!buf) {
 785                 fprintf(stderr, "%s",
 786                         _("Couldn't allocate memory to parse options!\n"));
 787                 exit(1);
 788         }
 789         strcpy(buf, opts);
 790         for (token = buf; token && *token; token = next) {
 791                 p = strchr(token, ',');
 792                 next = 0;
 793                 if (p) {
 794                         *p = 0;
 795                         next = p+1;
 796                 }
 797                 arg = strchr(token, '=');
 798                 if (arg) {
 799                         *arg = 0;
 800                         arg++;
 801                 }
 802                 if (strcmp(token, "desc-size") == 0 ||
 803                     strcmp(token, "desc_size") == 0) {
 804                         int desc_size;
 805
 806                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 807                                 fprintf(stderr,
 808                                         _("%s requires '-O 64bit'\n"), token);
 809                                 r_usage++;
 810                                 continue;
 811                         }
 812                         if (param->s_reserved_gdt_blocks != 0) {
 813                                 fprintf(stderr,
 814                                         _("'%s' must be before 'resize=%u'\n"),
 815                                         token, param->s_reserved_gdt_blocks);
 816                                 r_usage++;
 817                                 continue;
 818                         }
 819                         if (!arg) {
 820                                 r_usage++;
 821                                 badopt = token;
 822                                 continue;
 823                         }
 824                         desc_size = strtoul(arg, &p, 0);
 825                         if (*p || (desc_size & (desc_size - 1))) {
 826                                 fprintf(stderr,
 827                                         _("Invalid desc_size: '%s'\n"), arg);
 828                                 r_usage++;
 829                                 continue;
 830                         }
 831                         param->s_desc_size = desc_size;
 832                 } else if (strcmp(token, "offset") == 0) {
 833                         if (!arg) {
 834                                 r_usage++;
 835                                 badopt = token;
 836                                 continue;
 837                         }
 838                         offset = strtoull(arg, &p, 0);
 839                         if (*p) {
 840                                 fprintf(stderr, _("Invalid offset: %s\n"),
 841                                         arg);
 842                                 r_usage++;
 843                                 continue;
 844                         }
 845                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 846                         if (!arg) {
 847                                 r_usage++;
 848                                 badopt = token;
 849                                 continue;
 850                         }
 851                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 852                         if (*p) {
 853                                 fprintf(stderr,
 854                                         _("Invalid mmp_update_interval: %s\n"),
 855                                         arg);
 856                                 r_usage++;
 857                                 continue;
 858                         }
 859                 } else if (strcmp(token, "num_backup_sb") == 0) {
 860                         if (!arg) {
 861                                 r_usage++;
 862                                 badopt = token;
 863                                 continue;
 864                         }
 865                         num_backups = strtoul(arg, &p, 0);
 866                         if (*p || num_backups > 2) {
 867                                 fprintf(stderr,
 868                                         _("Invalid # of backup "
 869                                           "superblocks: %s\n"),
 870                                         arg);
 871                                 r_usage++;
 872                                 continue;
 873                         }
 874                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 875                         if (arg)
 876                                 packed_meta_blocks = strtoul(arg, &p, 0);
 877                         else
 878                                 packed_meta_blocks = 1;
 879                         if (packed_meta_blocks)
 880                                 journal_location = 0;
 881                 } else if (strcmp(token, "stride") == 0) {
 882                         if (!arg) {
 883                                 r_usage++;
 884                                 badopt = token;
 885                                 continue;
 886                         }
 887                         param->s_raid_stride = strtoul(arg, &p, 0);
 888                         if (*p) {
 889                                 fprintf(stderr,
 890                                         _("Invalid stride parameter: %s\n"),
 891                                         arg);
 892                                 r_usage++;
 893                                 continue;
 894                         }
 895                 } else if (strcmp(token, "stripe-width") == 0 ||
 896                            strcmp(token, "stripe_width") == 0) {
 897                         if (!arg) {
 898                                 r_usage++;
 899                                 badopt = token;
 900                                 continue;
 901                         }
 902                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 903                         if (*p) {
 904                                 fprintf(stderr,
 905                                         _("Invalid stripe-width parameter: %s\n"),
 906                                         arg);
 907                                 r_usage++;
 908                                 continue;
 909                         }
 910                 } else if (!strcmp(token, "resize")) {
 911                         blk64_t resize;
 912                         unsigned long bpg, rsv_groups;
 913                         unsigned long group_desc_count, desc_blocks;
 914                         unsigned int gdpb, blocksize;
 915                         int rsv_gdb;
 916
 917                         if (!arg) {
 918                                 r_usage++;
 919                                 badopt = token;
 920                                 continue;
 921                         }
 922
 923                         resize = parse_num_blocks2(arg,
 924                                                    param->s_log_block_size);
 925
 926                         if (resize == 0) {
 927                                 fprintf(stderr,
 928                                         _("Invalid resize parameter: %s\n"),
 929                                         arg);
 930                                 r_usage++;
 931                                 continue;
 932                         }
 933                         if (resize <= ext2fs_blocks_count(param)) {
 934                                 fprintf(stderr, "%s",
 935                                         _("The resize maximum must be greater "
 936                                           "than the filesystem size.\n"));
 937                                 r_usage++;
 938                                 continue;
 939                         }
 940
 941                         blocksize = EXT2_BLOCK_SIZE(param);
 942                         bpg = param->s_blocks_per_group;
 943                         if (!bpg)
 944                                 bpg = blocksize * 8;
 945                         gdpb = EXT2_DESC_PER_BLOCK(param);
 946                         group_desc_count = (__u32) ext2fs_div64_ceil(
 947                                 ext2fs_blocks_count(param), bpg);
 948                         desc_blocks = (group_desc_count +
 949                                        gdpb - 1) / gdpb;
 950                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 951                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 952                                 desc_blocks;
 953                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 954                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 955
 956                         if (rsv_gdb > 0) {
 957                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 958                                         fprintf(stderr, "%s",
 959         _("On-line resizing not supported with revision 0 filesystems\n"));
 960                                         free(buf);
 961                                         exit(1);
 962                                 }
 963                                 ext2fs_set_feature_resize_inode(param);
 964
 965                                 param->s_reserved_gdt_blocks = rsv_gdb;
 966                         }
 967                 } else if (!strcmp(token, "test_fs")) {
 968                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 969                 } else if (!strcmp(token, "lazy_itable_init")) {
 970                         if (arg)
 971                                 lazy_itable_init = strtoul(arg, &p, 0);
 972                         else
 973                                 lazy_itable_init = 1;
 974                 } else if (!strcmp(token, "lazy_journal_init")) {
 975                         if (arg)
 976                                 journal_flags |= strtoul(arg, &p, 0) ?
 977                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
 978                         else
 979                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
 980                 } else if (!strcmp(token, "root_owner")) {
 981                         if (arg) {
 982                                 root_uid = strtoul(arg, &p, 0);
 983                                 if (*p != ':') {
 984                                         fprintf(stderr,
 985                                                 _("Invalid root_owner: '%s'\n"),
 986                                                 arg);
 987                                         r_usage++;
 988                                         continue;
 989                                 }
 990                                 p++;
 991                                 root_gid = strtoul(p, &p, 0);
 992                                 if (*p) {
 993                                         fprintf(stderr,
 994                                                 _("Invalid root_owner: '%s'\n"),
 995                                                 arg);
 996                                         r_usage++;
 997                                         continue;
 998                                 }
 999                         } else {
1000                                 root_uid = getuid();
1001                                 root_gid = getgid();
1002                         }
1003                 } else if (!strcmp(token, "discard")) {
1004                         discard = 1;
1005                 } else if (!strcmp(token, "nodiscard")) {
1006                         discard = 0;
1007                 } else if (!strcmp(token, "quotatype")) {
1008                         char *errtok = NULL;
1009
1010                         if (!arg) {
1011                                 r_usage++;
1012                                 badopt = token;
1013                                 continue;
1014                         }
1015                         quotatype_bits = 0;
1016                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1017                         if (ret) {
1018                                 if (errtok) {
1019                                         fprintf(stderr,
1020                                 "Failed to parse quota type at %s", errtok);
1021                                         free(errtok);
1022                                 } else
1023                                         com_err(program_name, ret,
1024                                                 "while parsing quota type");
1025                                 r_usage++;
1026                                 badopt = token;
1027                                 continue;
1028                         }
1029                 } else {
1030                         r_usage++;
1031                         badopt = token;
1032                 }
1033         }
1034         if (r_usage) {
1035                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1036                         "Extended options are separated by commas, "
1037                         "and may take an argument which\n"
1038                         "\tis set off by an equals ('=') sign.\n\n"
1039                         "Valid extended options are:\n"
1040                         "\tmmp_update_interval=<interval>\n"
1041                         "\tnum_backup_sb=<0|1|2>\n"
1042                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1043                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1044                         "\toffset=<offset to create the file system>\n"
1045                         "\tresize=<resize maximum size in blocks>\n"
1046                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1047                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1048                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1049                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1050                         "\ttest_fs\n"
1051                         "\tdiscard\n"
1052                         "\tnodiscard\n"
1053                         "\tquotatype=<quota type(s) to be enabled>\n\n"),
1054                         badopt ? badopt : "");
1055                 free(buf);
1056                 exit(1);
1057         }
1058         if (param->s_raid_stride &&
1059             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1060                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1061                                   "multiple of stride %u.\n\n"),
1062                         param->s_raid_stripe_width, param->s_raid_stride);
1063
1064         free(buf);
1065 }
1066
1067 static __u32 ok_features[3] = {
1068         /* Compat */
1069         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1070                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1071                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1072                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1073                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1074         /* Incompat */
1075         EXT2_FEATURE_INCOMPAT_FILETYPE|
1076                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1077                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1078                 EXT2_FEATURE_INCOMPAT_META_BG|
1079                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1080                 EXT4_FEATURE_INCOMPAT_MMP |
1081                 EXT4_FEATURE_INCOMPAT_64BIT|
1082                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1083                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1084                 EXT4_FEATURE_INCOMPAT_CSUM_SEED,
1085         /* R/O compat */
1086         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1087                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1088                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1089                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1090                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1091                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1092                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1093                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1094                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1095                 EXT4_FEATURE_RO_COMPAT_PROJECT
1096 };
1097
1098
1099 static void syntax_err_report(const char *filename, long err, int line_num)
1100 {
1101         fprintf(stderr,
1102                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1103                 filename, line_num, error_message(err));
1104         exit(1);
1105 }
1106
1107 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1108
1109 static void edit_feature(const char *str, __u32 *compat_array)
1110 {
1111         if (!str)
1112                 return;
1113
1114         if (e2p_edit_feature(str, compat_array, ok_features)) {
1115                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1116                         str);
1117                 exit(1);
1118         }
1119 }
1120
1121 static void edit_mntopts(const char *str, __u32 *mntopts)
1122 {
1123         if (!str)
1124                 return;
1125
1126         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1127                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1128                         str);
1129                 exit(1);
1130         }
1131 }
1132
1133 struct str_list {
1134         char **list;
1135         int num;
1136         int max;
1137 };
1138
1139 static errcode_t init_list(struct str_list *sl)
1140 {
1141         sl->num = 0;
1142         sl->max = 1;
1143         sl->list = malloc((sl->max+1) * sizeof(char *));
1144         if (!sl->list)
1145                 return ENOMEM;
1146         sl->list[0] = 0;
1147         return 0;
1148 }
1149
1150 static errcode_t push_string(struct str_list *sl, const char *str)
1151 {
1152         char **new_list;
1153
1154         if (sl->num >= sl->max) {
1155                 sl->max += 2;
1156                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1157                 if (!new_list)
1158                         return ENOMEM;
1159                 sl->list = new_list;
1160         }
1161         sl->list[sl->num] = malloc(strlen(str)+1);
1162         if (sl->list[sl->num] == 0)
1163                 return ENOMEM;
1164         strcpy(sl->list[sl->num], str);
1165         sl->num++;
1166         sl->list[sl->num] = 0;
1167         return 0;
1168 }
1169
1170 static void print_str_list(char **list)
1171 {
1172         char **cpp;
1173
1174         for (cpp = list; *cpp; cpp++) {
1175                 printf("'%s'", *cpp);
1176                 if (cpp[1])
1177                         fputs(", ", stdout);
1178         }
1179         fputc('\n', stdout);
1180 }
1181
1182 /*
1183  * Return TRUE if the profile has the given subsection
1184  */
1185 static int profile_has_subsection(profile_t prof, const char *section,
1186                                   const char *subsection)
1187 {
1188         void                    *state;
1189         const char              *names[4];
1190         char                    *name;
1191         int                     ret = 0;
1192
1193         names[0] = section;
1194         names[1] = subsection;
1195         names[2] = 0;
1196
1197         if (profile_iterator_create(prof, names,
1198                                     PROFILE_ITER_LIST_SECTION |
1199                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1200                 return 0;
1201
1202         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1203                 free(name);
1204                 ret = 1;
1205         }
1206
1207         profile_iterator_free(&state);
1208         return ret;
1209 }
1210
1211 static char **parse_fs_type(const char *fs_type,
1212                             const char *usage_types,
1213                             struct ext2_super_block *sb,
1214                             blk64_t fs_blocks_count,
1215                             char *progname)
1216 {
1217         const char      *ext_type = 0;
1218         char            *parse_str;
1219         char            *profile_type = 0;
1220         char            *cp, *t;
1221         const char      *size_type;
1222         struct str_list list;
1223         unsigned long long meg;
1224         int             is_hurd = for_hurd(creator_os);
1225
1226         if (init_list(&list))
1227                 return 0;
1228
1229         if (fs_type)
1230                 ext_type = fs_type;
1231         else if (is_hurd)
1232                 ext_type = "ext2";
1233         else if (!strcmp(program_name, "mke3fs"))
1234                 ext_type = "ext3";
1235         else if (!strcmp(program_name, "mke4fs"))
1236                 ext_type = "ext4";
1237         else if (progname) {
1238                 ext_type = strrchr(progname, '/');
1239                 if (ext_type)
1240                         ext_type++;
1241                 else
1242                         ext_type = progname;
1243
1244                 if (!strncmp(ext_type, "mkfs.", 5)) {
1245                         ext_type += 5;
1246                         if (ext_type[0] == 0)
1247                                 ext_type = 0;
1248                 } else
1249                         ext_type = 0;
1250         }
1251
1252         if (!ext_type) {
1253                 profile_get_string(profile, "defaults", "fs_type", 0,
1254                                    "ext2", &profile_type);
1255                 ext_type = profile_type;
1256                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1257                         ext_type = "ext3";
1258         }
1259
1260
1261         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1262             strcmp(ext_type, "ext2")) {
1263                 printf(_("\nYour mke2fs.conf file does not define the "
1264                          "%s filesystem type.\n"), ext_type);
1265                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1266                     !strcmp(ext_type, "ext4dev")) {
1267                         printf("%s", _("You probably need to install an "
1268                                        "updated mke2fs.conf file.\n\n"));
1269                 }
1270                 if (!force) {
1271                         printf("%s", _("Aborting...\n"));
1272                         exit(1);
1273                 }
1274         }
1275
1276         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1277         if (fs_blocks_count < 3 * meg)
1278                 size_type = "floppy";
1279         else if (fs_blocks_count < 512 * meg)
1280                 size_type = "small";
1281         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1282                 size_type = "default";
1283         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1284                 size_type = "big";
1285         else
1286                 size_type = "huge";
1287
1288         if (!usage_types)
1289                 usage_types = size_type;
1290
1291         parse_str = malloc(strlen(usage_types)+1);
1292         if (!parse_str) {
1293                 free(profile_type);
1294                 free(list.list);
1295                 return 0;
1296         }
1297         strcpy(parse_str, usage_types);
1298
1299         if (ext_type)
1300                 push_string(&list, ext_type);
1301         cp = parse_str;
1302         while (1) {
1303                 t = strchr(cp, ',');
1304                 if (t)
1305                         *t = '\0';
1306
1307                 if (*cp) {
1308                         if (profile_has_subsection(profile, "fs_types", cp))
1309                                 push_string(&list, cp);
1310                         else if (strcmp(cp, "default") != 0)
1311                                 fprintf(stderr,
1312                                         _("\nWarning: the fs_type %s is not "
1313                                           "defined in mke2fs.conf\n\n"),
1314                                         cp);
1315                 }
1316                 if (t)
1317                         cp = t+1;
1318                 else
1319                         break;
1320         }
1321         free(parse_str);
1322         free(profile_type);
1323         if (is_hurd)
1324                 push_string(&list, "hurd");
1325         return (list.list);
1326 }
1327
1328 char *get_string_from_profile(char **types, const char *opt,
1329                                      const char *def_val)
1330 {
1331         char *ret = 0;
1332         int i;
1333
1334         for (i=0; types[i]; i++);
1335         for (i-=1; i >=0 ; i--) {
1336                 profile_get_string(profile, "fs_types", types[i],
1337                                    opt, 0, &ret);
1338                 if (ret)
1339                         return ret;
1340         }
1341         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1342         return (ret);
1343 }
1344
1345 int get_int_from_profile(char **types, const char *opt, int def_val)
1346 {
1347         int ret;
1348         char **cpp;
1349
1350         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1351         for (cpp = types; *cpp; cpp++)
1352                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1353         return ret;
1354 }
1355
1356 static unsigned int get_uint_from_profile(char **types, const char *opt,
1357                                         unsigned int def_val)
1358 {
1359         unsigned int ret;
1360         char **cpp;
1361
1362         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1363         for (cpp = types; *cpp; cpp++)
1364                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1365         return ret;
1366 }
1367
1368 static double get_double_from_profile(char **types, const char *opt,
1369                                       double def_val)
1370 {
1371         double ret;
1372         char **cpp;
1373
1374         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1375         for (cpp = types; *cpp; cpp++)
1376                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1377         return ret;
1378 }
1379
1380 int get_bool_from_profile(char **types, const char *opt, int def_val)
1381 {
1382         int ret;
1383         char **cpp;
1384
1385         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1386         for (cpp = types; *cpp; cpp++)
1387                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1388         return ret;
1389 }
1390
1391 extern const char *mke2fs_default_profile;
1392 static const char *default_files[] = { "<default>", 0 };
1393
1394 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1395 /*
1396  * Sets the geometry of a device (stripe/stride), and returns the
1397  * device's alignment offset, if any, or a negative error.
1398  */
1399 static int get_device_geometry(const char *file,
1400                                struct ext2_super_block *param,
1401                                unsigned int psector_size)
1402 {
1403         int rc = -1;
1404         unsigned int blocksize;
1405         blkid_probe pr;
1406         blkid_topology tp;
1407         unsigned long min_io;
1408         unsigned long opt_io;
1409         struct stat statbuf;
1410
1411         /* Nothing to do for a regular file */
1412         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1413                 return 0;
1414
1415         pr = blkid_new_probe_from_filename(file);
1416         if (!pr)
1417                 goto out;
1418
1419         tp = blkid_probe_get_topology(pr);
1420         if (!tp)
1421                 goto out;
1422
1423         min_io = blkid_topology_get_minimum_io_size(tp);
1424         opt_io = blkid_topology_get_optimal_io_size(tp);
1425         blocksize = EXT2_BLOCK_SIZE(param);
1426         if ((min_io == 0) && (psector_size > blocksize))
1427                 min_io = psector_size;
1428         if ((opt_io == 0) && min_io)
1429                 opt_io = min_io;
1430         if ((opt_io == 0) && (psector_size > blocksize))
1431                 opt_io = psector_size;
1432
1433         /* setting stripe/stride to blocksize is pointless */
1434         if (min_io > blocksize)
1435                 param->s_raid_stride = min_io / blocksize;
1436         if (opt_io > blocksize)
1437                 param->s_raid_stripe_width = opt_io / blocksize;
1438
1439         rc = blkid_topology_get_alignment_offset(tp);
1440 out:
1441         blkid_free_probe(pr);
1442         return rc;
1443 }
1444 #endif
1445
1446 static void PRS(int argc, char *argv[])
1447 {
1448         int             b, c, flags;
1449         int             cluster_size = 0;
1450         char            *tmp, **cpp;
1451         int             explicit_fssize = 0;
1452         int             blocksize = 0;
1453         int             inode_ratio = 0;
1454         int             inode_size = 0;
1455         unsigned long   flex_bg_size = 0;
1456         double          reserved_ratio = -1.0;
1457         int             lsector_size = 0, psector_size = 0;
1458         int             show_version_only = 0, is_device = 0;
1459         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1460         errcode_t       retval;
1461         char *          oldpath = getenv("PATH");
1462         char *          extended_opts = 0;
1463         char *          fs_type = 0;
1464         char *          usage_types = 0;
1465         /*
1466          * NOTE: A few words about fs_blocks_count and blocksize:
1467          *
1468          * Initially, blocksize is set to zero, which implies 1024.
1469          * If -b is specified, blocksize is updated to the user's value.
1470          *
1471          * Next, the device size or the user's "blocks" command line argument
1472          * is used to set fs_blocks_count; the units are blocksize.
1473          *
1474          * Later, if blocksize hasn't been set and the profile specifies a
1475          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1476          * appropriately.  Note the change in units!
1477          *
1478          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1479          */
1480         blk64_t         fs_blocks_count = 0;
1481         long            sysval;
1482         int             s_opt = -1, r_opt = -1;
1483         char            *fs_features = 0;
1484         int             fs_features_size = 0;
1485         int             use_bsize;
1486         char            *newpath;
1487         int             pathlen = sizeof(PATH_SET) + 1;
1488
1489         if (oldpath)
1490                 pathlen += strlen(oldpath);
1491         newpath = malloc(pathlen);
1492         if (!newpath) {
1493                 fprintf(stderr, "%s",
1494                         _("Couldn't allocate memory for new PATH.\n"));
1495                 exit(1);
1496         }
1497         strcpy(newpath, PATH_SET);
1498
1499         /* Update our PATH to include /sbin  */
1500         if (oldpath) {
1501                 strcat (newpath, ":");
1502                 strcat (newpath, oldpath);
1503         }
1504         putenv (newpath);
1505
1506         tmp = getenv("MKE2FS_SYNC");
1507         if (tmp)
1508                 sync_kludge = atoi(tmp);
1509
1510         /* Determine the system page size if possible */
1511 #ifdef HAVE_SYSCONF
1512 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1513 #define _SC_PAGESIZE _SC_PAGE_SIZE
1514 #endif
1515 #ifdef _SC_PAGESIZE
1516         sysval = sysconf(_SC_PAGESIZE);
1517         if (sysval > 0)
1518                 sys_page_size = sysval;
1519 #endif /* _SC_PAGESIZE */
1520 #endif /* HAVE_SYSCONF */
1521
1522         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1523                 config_fn[0] = tmp;
1524         profile_set_syntax_err_cb(syntax_err_report);
1525         retval = profile_init(config_fn, &profile);
1526         if (retval == ENOENT) {
1527                 retval = profile_init(default_files, &profile);
1528                 if (retval)
1529                         goto profile_error;
1530                 retval = profile_set_default(profile, mke2fs_default_profile);
1531                 if (retval)
1532                         goto profile_error;
1533         } else if (retval) {
1534 profile_error:
1535                 fprintf(stderr, _("Couldn't init profile successfully"
1536                                   " (error: %ld).\n"), retval);
1537                 exit(1);
1538         }
1539
1540         setbuf(stdout, NULL);
1541         setbuf(stderr, NULL);
1542         add_error_table(&et_ext2_error_table);
1543         add_error_table(&et_prof_error_table);
1544         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1545         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1546
1547         if (is_before_linux_ver(2, 2, 0))
1548                 fs_param.s_rev_level = 0;
1549
1550         if (argc && *argv) {
1551                 program_name = get_progname(*argv);
1552
1553                 /* If called as mkfs.ext3, create a journal inode */
1554                 if (!strcmp(program_name, "mkfs.ext3") ||
1555                     !strcmp(program_name, "mke3fs"))
1556                         journal_size = -1;
1557         }
1558
1559         while ((c = getopt (argc, argv,
1560                     "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) {
1561                 switch (c) {
1562                 case 'b':
1563                         blocksize = parse_num_blocks2(optarg, -1);
1564                         b = (blocksize > 0) ? blocksize : -blocksize;
1565                         if (b < EXT2_MIN_BLOCK_SIZE ||
1566                             b > EXT2_MAX_BLOCK_SIZE) {
1567                                 com_err(program_name, 0,
1568                                         _("invalid block size - %s"), optarg);
1569                                 exit(1);
1570                         }
1571                         if (blocksize > 4096)
1572                                 fprintf(stderr, _("Warning: blocksize %d not "
1573                                                   "usable on most systems.\n"),
1574                                         blocksize);
1575                         if (blocksize > 0)
1576                                 fs_param.s_log_block_size =
1577                                         int_log2(blocksize >>
1578                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1579                         break;
1580                 case 'c':       /* Check for bad blocks */
1581                         cflag++;
1582                         break;
1583                 case 'C':
1584                         cluster_size = parse_num_blocks2(optarg, -1);
1585                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1586                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1587                                 com_err(program_name, 0,
1588                                         _("invalid cluster size - %s"),
1589                                         optarg);
1590                                 exit(1);
1591                         }
1592                         break;
1593                 case 'd':
1594                         src_root_dir = optarg;
1595                         break;
1596                 case 'D':
1597                         direct_io = 1;
1598                         break;
1599                 case 'R':
1600                         com_err(program_name, 0, "%s",
1601                                 _("'-R' is deprecated, use '-E' instead"));
1602                         /* fallthrough */
1603                 case 'E':
1604                         extended_opts = optarg;
1605                         break;
1606                 case 'e':
1607                         if (strcmp(optarg, "continue") == 0)
1608                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1609                         else if (strcmp(optarg, "remount-ro") == 0)
1610                                 errors_behavior = EXT2_ERRORS_RO;
1611                         else if (strcmp(optarg, "panic") == 0)
1612                                 errors_behavior = EXT2_ERRORS_PANIC;
1613                         else {
1614                                 com_err(program_name, 0,
1615                                         _("bad error behavior - %s"),
1616                                         optarg);
1617                                 usage();
1618                         }
1619                         break;
1620                 case 'F':
1621                         force++;
1622                         break;
1623                 case 'g':
1624                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1625                         if (*tmp) {
1626                                 com_err(program_name, 0, "%s",
1627                                 _("Illegal number for blocks per group"));
1628                                 exit(1);
1629                         }
1630                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1631                                 com_err(program_name, 0, "%s",
1632                                 _("blocks per group must be multiple of 8"));
1633                                 exit(1);
1634                         }
1635                         break;
1636                 case 'G':
1637                         flex_bg_size = strtoul(optarg, &tmp, 0);
1638                         if (*tmp) {
1639                                 com_err(program_name, 0, "%s",
1640                                         _("Illegal number for flex_bg size"));
1641                                 exit(1);
1642                         }
1643                         if (flex_bg_size < 1 ||
1644                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1645                                 com_err(program_name, 0, "%s",
1646                                         _("flex_bg size must be a power of 2"));
1647                                 exit(1);
1648                         }
1649                         if (flex_bg_size > MAX_32_NUM) {
1650                                 com_err(program_name, 0,
1651                                 _("flex_bg size (%lu) must be less than"
1652                                 " or equal to 2^31"), flex_bg_size);
1653                                 exit(1);
1654                         }
1655                         break;
1656                 case 'i':
1657                         inode_ratio = parse_num_blocks(optarg, -1);
1658                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1659                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1660                                 com_err(program_name, 0,
1661                                         _("invalid inode ratio %s (min %d/max %d)"),
1662                                         optarg, EXT2_MIN_BLOCK_SIZE,
1663                                         EXT2_MAX_BLOCK_SIZE * 1024);
1664                                 exit(1);
1665                         }
1666                         break;
1667                 case 'I':
1668                         inode_size = strtoul(optarg, &tmp, 0);
1669                         if (*tmp) {
1670                                 com_err(program_name, 0,
1671                                         _("invalid inode size - %s"), optarg);
1672                                 exit(1);
1673                         }
1674                         break;
1675                 case 'j':
1676                         if (!journal_size)
1677                                 journal_size = -1;
1678                         break;
1679                 case 'J':
1680                         parse_journal_opts(optarg);
1681                         break;
1682                 case 'K':
1683                         fprintf(stderr, "%s",
1684                                 _("Warning: -K option is deprecated and "
1685                                   "should not be used anymore. Use "
1686                                   "\'-E nodiscard\' extended option "
1687                                   "instead!\n"));
1688                         discard = 0;
1689                         break;
1690                 case 'l':
1691                         bad_blocks_filename = realloc(bad_blocks_filename,
1692                                                       strlen(optarg) + 1);
1693                         if (!bad_blocks_filename) {
1694                                 com_err(program_name, ENOMEM, "%s",
1695                                         _("in malloc for bad_blocks_filename"));
1696                                 exit(1);
1697                         }
1698                         strcpy(bad_blocks_filename, optarg);
1699                         break;
1700                 case 'L':
1701                         volume_label = optarg;
1702                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1703                                 volume_label[EXT2_LABEL_LEN] = '\0';
1704                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1705                                         volume_label);
1706                         }
1707                         break;
1708                 case 'm':
1709                         reserved_ratio = strtod(optarg, &tmp);
1710                         if ( *tmp || reserved_ratio > 50 ||
1711                              reserved_ratio < 0) {
1712                                 com_err(program_name, 0,
1713                                         _("invalid reserved blocks percent - %s"),
1714                                         optarg);
1715                                 exit(1);
1716                         }
1717                         break;
1718                 case 'M':
1719                         mount_dir = optarg;
1720                         break;
1721                 case 'n':
1722                         noaction++;
1723                         break;
1724                 case 'N':
1725                         num_inodes = strtoul(optarg, &tmp, 0);
1726                         if (*tmp) {
1727                                 com_err(program_name, 0,
1728                                         _("bad num inodes - %s"), optarg);
1729                                         exit(1);
1730                         }
1731                         break;
1732                 case 'o':
1733                         creator_os = optarg;
1734                         break;
1735                 case 'O':
1736                         retval = ext2fs_resize_mem(fs_features_size,
1737                                    fs_features_size + 1 + strlen(optarg),
1738                                                    &fs_features);
1739                         if (retval) {
1740                                 com_err(program_name, retval,
1741                                      _("while allocating fs_feature string"));
1742                                 exit(1);
1743                         }
1744                         if (fs_features_size)
1745                                 strcat(fs_features, ",");
1746                         else
1747                                 fs_features[0] = 0;
1748                         strcat(fs_features, optarg);
1749                         fs_features_size += 1 + strlen(optarg);
1750                         break;
1751                 case 'q':
1752                         quiet = 1;
1753                         break;
1754                 case 'r':
1755                         r_opt = strtoul(optarg, &tmp, 0);
1756                         if (*tmp) {
1757                                 com_err(program_name, 0,
1758                                         _("bad revision level - %s"), optarg);
1759                                 exit(1);
1760                         }
1761                         if (r_opt > EXT2_MAX_SUPP_REV) {
1762                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1763                                         _("while trying to create revision %d"), r_opt);
1764                                 exit(1);
1765                         }
1766                         fs_param.s_rev_level = r_opt;
1767                         break;
1768                 case 's':       /* deprecated */
1769                         s_opt = atoi(optarg);
1770                         break;
1771                 case 'S':
1772                         super_only = 1;
1773                         break;
1774                 case 't':
1775                         if (fs_type) {
1776                                 com_err(program_name, 0, "%s",
1777                                     _("The -t option may only be used once"));
1778                                 exit(1);
1779                         }
1780                         fs_type = strdup(optarg);
1781                         break;
1782                 case 'T':
1783                         if (usage_types) {
1784                                 com_err(program_name, 0, "%s",
1785                                     _("The -T option may only be used once"));
1786                                 exit(1);
1787                         }
1788                         usage_types = strdup(optarg);
1789                         break;
1790                 case 'U':
1791                         fs_uuid = optarg;
1792                         break;
1793                 case 'v':
1794                         verbose = 1;
1795                         break;
1796                 case 'V':
1797                         /* Print version number and exit */
1798                         show_version_only++;
1799                         break;
1800                 case 'z':
1801                         undo_file = optarg;
1802                         break;
1803                 default:
1804                         usage();
1805                 }
1806         }
1807         if ((optind == argc) && !show_version_only)
1808                 usage();
1809         device_name = argv[optind++];
1810
1811         if (!quiet || show_version_only)
1812                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1813                          E2FSPROGS_DATE);
1814
1815         if (show_version_only) {
1816                 fprintf(stderr, _("\tUsing %s\n"),
1817                         error_message(EXT2_ET_BASE));
1818                 exit(0);
1819         }
1820
1821         /*
1822          * If there's no blocksize specified and there is a journal
1823          * device, use it to figure out the blocksize
1824          */
1825         if (blocksize <= 0 && journal_device) {
1826                 ext2_filsys     jfs;
1827                 io_manager      io_ptr;
1828
1829 #ifdef CONFIG_TESTIO_DEBUG
1830                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1831                         io_ptr = test_io_manager;
1832                         test_io_backing_manager = unix_io_manager;
1833                 } else
1834 #endif
1835                         io_ptr = unix_io_manager;
1836                 retval = ext2fs_open(journal_device,
1837                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1838                                      0, io_ptr, &jfs);
1839                 if (retval) {
1840                         com_err(program_name, retval,
1841                                 _("while trying to open journal device %s\n"),
1842                                 journal_device);
1843                         exit(1);
1844                 }
1845                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1846                         com_err(program_name, 0,
1847                                 _("Journal dev blocksize (%d) smaller than "
1848                                   "minimum blocksize %d\n"), jfs->blocksize,
1849                                 -blocksize);
1850                         exit(1);
1851                 }
1852                 blocksize = jfs->blocksize;
1853                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1854                 fs_param.s_log_block_size =
1855                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1856                 ext2fs_close_free(&jfs);
1857         }
1858
1859         if (optind < argc) {
1860                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1861                                                    fs_param.s_log_block_size);
1862                 if (!fs_blocks_count) {
1863                         com_err(program_name, 0,
1864                                 _("invalid blocks '%s' on device '%s'"),
1865                                 argv[optind - 1], device_name);
1866                         exit(1);
1867                 }
1868         }
1869         if (optind < argc)
1870                 usage();
1871
1872         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1873                             &proceed_delay);
1874
1875         /* The isatty() test is so we don't break existing scripts */
1876         flags = CREATE_FILE;
1877         if (isatty(0) && isatty(1) && !offset)
1878                 flags |= CHECK_FS_EXIST;
1879         if (!quiet)
1880                 flags |= VERBOSE_CREATE;
1881         if (fs_blocks_count == 0)
1882                 flags |= NO_SIZE;
1883         else
1884                 explicit_fssize = 1;
1885         if (!check_plausibility(device_name, flags, &is_device) && !force)
1886                 proceed_question(proceed_delay);
1887
1888         check_mount(device_name, force, _("filesystem"));
1889
1890         /* Determine the size of the device (if possible) */
1891         if (noaction && fs_blocks_count) {
1892                 dev_size = fs_blocks_count;
1893                 retval = 0;
1894         } else
1895                 retval = ext2fs_get_device_size2(device_name,
1896                                                  EXT2_BLOCK_SIZE(&fs_param),
1897                                                  &dev_size);
1898
1899         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1900                 com_err(program_name, retval, "%s",
1901                         _("while trying to determine filesystem size"));
1902                 exit(1);
1903         }
1904         if (!fs_blocks_count) {
1905                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1906                         com_err(program_name, 0, "%s",
1907                                 _("Couldn't determine device size; you "
1908                                 "must specify\nthe size of the "
1909                                 "filesystem\n"));
1910                         exit(1);
1911                 } else {
1912                         if (dev_size == 0) {
1913                                 com_err(program_name, 0, "%s",
1914                                 _("Device size reported to be zero.  "
1915                                   "Invalid partition specified, or\n\t"
1916                                   "partition table wasn't reread "
1917                                   "after running fdisk, due to\n\t"
1918                                   "a modified partition being busy "
1919                                   "and in use.  You may need to reboot\n\t"
1920                                   "to re-read your partition table.\n"
1921                                   ));
1922                                 exit(1);
1923                         }
1924                         fs_blocks_count = dev_size;
1925                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1926                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1927                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1928                 }
1929         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1930                 com_err(program_name, 0, "%s",
1931                         _("Filesystem larger than apparent device size."));
1932                 proceed_question(proceed_delay);
1933         }
1934
1935         if (!fs_type)
1936                 profile_get_string(profile, "devices", device_name,
1937                                    "fs_type", 0, &fs_type);
1938         if (!usage_types)
1939                 profile_get_string(profile, "devices", device_name,
1940                                    "usage_types", 0, &usage_types);
1941
1942         /*
1943          * We have the file system (or device) size, so we can now
1944          * determine the appropriate file system types so the fs can
1945          * be appropriately configured.
1946          */
1947         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1948                                  fs_blocks_count ? fs_blocks_count : dev_size,
1949                                  argv[0]);
1950         if (!fs_types) {
1951                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1952                 exit(1);
1953         }
1954
1955         /* Figure out what features should be enabled */
1956
1957         tmp = NULL;
1958         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1959                 tmp = get_string_from_profile(fs_types, "base_features",
1960                       "sparse_super,large_file,filetype,resize_inode,dir_index");
1961                 edit_feature(tmp, &fs_param.s_feature_compat);
1962                 free(tmp);
1963
1964                 /* And which mount options as well */
1965                 tmp = get_string_from_profile(fs_types, "default_mntopts",
1966                                               "acl,user_xattr");
1967                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
1968                 if (tmp)
1969                         free(tmp);
1970
1971                 for (cpp = fs_types; *cpp; cpp++) {
1972                         tmp = NULL;
1973                         profile_get_string(profile, "fs_types", *cpp,
1974                                            "features", "", &tmp);
1975                         if (tmp && *tmp)
1976                                 edit_feature(tmp, &fs_param.s_feature_compat);
1977                         if (tmp)
1978                                 free(tmp);
1979                 }
1980                 tmp = get_string_from_profile(fs_types, "default_features",
1981                                               "");
1982         }
1983         /* Mask off features which aren't supported by the Hurd */
1984         if (for_hurd(creator_os)) {
1985                 ext2fs_clear_feature_filetype(&fs_param);
1986                 ext2fs_clear_feature_huge_file(&fs_param);
1987                 ext2fs_clear_feature_metadata_csum(&fs_param);
1988         }
1989         edit_feature(fs_features ? fs_features : tmp,
1990                      &fs_param.s_feature_compat);
1991         if (tmp)
1992                 free(tmp);
1993         (void) ext2fs_free_mem(&fs_features);
1994         /*
1995          * If the user specified features incompatible with the Hurd, complain
1996          */
1997         if (for_hurd(creator_os)) {
1998                 if (ext2fs_has_feature_filetype(&fs_param)) {
1999                         fprintf(stderr, "%s", _("The HURD does not support the "
2000                                                 "filetype feature.\n"));
2001                         exit(1);
2002                 }
2003                 if (ext2fs_has_feature_huge_file(&fs_param)) {
2004                         fprintf(stderr, "%s", _("The HURD does not support the "
2005                                                 "huge_file feature.\n"));
2006                         exit(1);
2007                 }
2008                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2009                         fprintf(stderr, "%s", _("The HURD does not support the "
2010                                                 "metadata_csum feature.\n"));
2011                         exit(1);
2012                 }
2013         }
2014
2015         /* Get the hardware sector sizes, if available */
2016         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2017         if (retval) {
2018                 com_err(program_name, retval, "%s",
2019                         _("while trying to determine hardware sector size"));
2020                 exit(1);
2021         }
2022         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2023         if (retval) {
2024                 com_err(program_name, retval, "%s",
2025                         _("while trying to determine physical sector size"));
2026                 exit(1);
2027         }
2028
2029         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2030         if (tmp != NULL)
2031                 lsector_size = atoi(tmp);
2032         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2033         if (tmp != NULL)
2034                 psector_size = atoi(tmp);
2035
2036         /* Older kernels may not have physical/logical distinction */
2037         if (!psector_size)
2038                 psector_size = lsector_size;
2039
2040         if (blocksize <= 0) {
2041                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2042
2043                 if (use_bsize == -1) {
2044                         use_bsize = sys_page_size;
2045                         if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2046                                 use_bsize = 4096;
2047                 }
2048                 if (lsector_size && use_bsize < lsector_size)
2049                         use_bsize = lsector_size;
2050                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2051                         use_bsize = -blocksize;
2052                 blocksize = use_bsize;
2053                 fs_blocks_count /= (blocksize / 1024);
2054         } else {
2055                 if (blocksize < lsector_size) {                 /* Impossible */
2056                         com_err(program_name, EINVAL, "%s",
2057                                 _("while setting blocksize; too small "
2058                                   "for device\n"));
2059                         exit(1);
2060                 } else if ((blocksize < psector_size) &&
2061                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2062                         fprintf(stderr, _("Warning: specified blocksize %d is "
2063                                 "less than device physical sectorsize %d\n"),
2064                                 blocksize, psector_size);
2065                 }
2066         }
2067
2068         fs_param.s_log_block_size =
2069                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2070
2071         /*
2072          * We now need to do a sanity check of fs_blocks_count for
2073          * 32-bit vs 64-bit block number support.
2074          */
2075         if ((fs_blocks_count > MAX_32_NUM) &&
2076             ext2fs_has_feature_64bit(&fs_param))
2077                 ext2fs_clear_feature_resize_inode(&fs_param);
2078         if ((fs_blocks_count > MAX_32_NUM) &&
2079             !ext2fs_has_feature_64bit(&fs_param) &&
2080             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2081                 ext2fs_set_feature_64bit(&fs_param);
2082                 ext2fs_clear_feature_resize_inode(&fs_param);
2083         }
2084         if ((fs_blocks_count > MAX_32_NUM) &&
2085             !ext2fs_has_feature_64bit(&fs_param)) {
2086                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2087                                   "too big to be expressed\n\t"
2088                                   "in 32 bits using a blocksize of %d.\n"),
2089                         program_name, fs_blocks_count, device_name,
2090                         EXT2_BLOCK_SIZE(&fs_param));
2091                 exit(1);
2092         }
2093         /*
2094          * Guard against group descriptor count overflowing... Mostly to avoid
2095          * strange results for absurdly large devices.
2096          */
2097         if (fs_blocks_count > ((1ULL << (fs_param.s_log_block_size + 3 + 32)) - 1)) {
2098                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2099                                   "too big to create\n\t"
2100                                   "a filesystem using a blocksize of %d.\n"),
2101                         program_name, fs_blocks_count, device_name,
2102                         EXT2_BLOCK_SIZE(&fs_param));
2103                 exit(1);
2104         }
2105
2106         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2107
2108         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2109                 int i;
2110
2111                 for (i=0; fs_types[i]; i++) {
2112                         free(fs_types[i]);
2113                         fs_types[i] = 0;
2114                 }
2115                 fs_types[0] = strdup("journal");
2116                 fs_types[1] = 0;
2117         }
2118
2119         if (verbose) {
2120                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2121                 print_str_list(fs_types);
2122         }
2123
2124         if (r_opt == EXT2_GOOD_OLD_REV &&
2125             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2126              fs_param.s_feature_ro_compat)) {
2127                 fprintf(stderr, "%s", _("Filesystem features not supported "
2128                                         "with revision 0 filesystems\n"));
2129                 exit(1);
2130         }
2131
2132         if (s_opt > 0) {
2133                 if (r_opt == EXT2_GOOD_OLD_REV) {
2134                         fprintf(stderr, "%s",
2135                                 _("Sparse superblocks not supported "
2136                                   "with revision 0 filesystems\n"));
2137                         exit(1);
2138                 }
2139                 ext2fs_set_feature_sparse_super(&fs_param);
2140         } else if (s_opt == 0)
2141                 ext2fs_clear_feature_sparse_super(&fs_param);
2142
2143         if (journal_size != 0) {
2144                 if (r_opt == EXT2_GOOD_OLD_REV) {
2145                         fprintf(stderr, "%s", _("Journals not supported with "
2146                                                 "revision 0 filesystems\n"));
2147                         exit(1);
2148                 }
2149                 ext2fs_set_feature_journal(&fs_param);
2150         }
2151
2152         /* Get reserved_ratio from profile if not specified on cmd line. */
2153         if (reserved_ratio < 0.0) {
2154                 reserved_ratio = get_double_from_profile(
2155                                         fs_types, "reserved_ratio", 5.0);
2156                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2157                         com_err(program_name, 0,
2158                                 _("invalid reserved blocks percent - %lf"),
2159                                 reserved_ratio);
2160                         exit(1);
2161                 }
2162         }
2163
2164         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2165                 reserved_ratio = 0;
2166                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2167                 fs_param.s_feature_compat = 0;
2168                 fs_param.s_feature_ro_compat &=
2169                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2170         }
2171
2172         /* Check the user's mkfs options for 64bit */
2173         if (ext2fs_has_feature_64bit(&fs_param) &&
2174             !ext2fs_has_feature_extents(&fs_param)) {
2175                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2176                                "filesystem.  Pass -O extents to rectify.\n"));
2177                 exit(1);
2178         }
2179
2180         /* Set first meta blockgroup via an environment variable */
2181         /* (this is mostly for debugging purposes) */
2182         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2183             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2184                 fs_param.s_first_meta_bg = atoi(tmp);
2185         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2186                 if (!cluster_size)
2187                         cluster_size = get_int_from_profile(fs_types,
2188                                                             "cluster_size",
2189                                                             blocksize*16);
2190                 fs_param.s_log_cluster_size =
2191                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2192                 if (fs_param.s_log_cluster_size &&
2193                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2194                         com_err(program_name, 0, "%s",
2195                                 _("The cluster size may not be "
2196                                   "smaller than the block size.\n"));
2197                         exit(1);
2198                 }
2199         } else if (cluster_size) {
2200                 com_err(program_name, 0, "%s",
2201                         _("specifying a cluster size requires the "
2202                           "bigalloc feature"));
2203                 exit(1);
2204         } else
2205                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2206
2207         if (inode_ratio == 0) {
2208                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2209                                                    8192);
2210                 if (inode_ratio < blocksize)
2211                         inode_ratio = blocksize;
2212                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2213                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2214         }
2215
2216 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2217         retval = get_device_geometry(device_name, &fs_param,
2218                                      (unsigned int) psector_size);
2219         if (retval < 0) {
2220                 fprintf(stderr,
2221                         _("warning: Unable to get device geometry for %s\n"),
2222                         device_name);
2223         } else if (retval) {
2224                 printf(_("%s alignment is offset by %lu bytes.\n"),
2225                        device_name, retval);
2226                 printf(_("This may result in very poor performance, "
2227                           "(re)-partitioning suggested.\n"));
2228         }
2229 #endif
2230
2231         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2232
2233         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2234
2235         /*
2236          * Initialize s_desc_size so that the parse_extended_opts()
2237          * can correctly handle "-E resize=NNN" if the 64-bit option
2238          * is set.
2239          */
2240         if (ext2fs_has_feature_64bit(&fs_param))
2241                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2242
2243         /* This check should happen beyond the last assignment to blocksize */
2244         if (blocksize > sys_page_size) {
2245                 if (!force) {
2246                         com_err(program_name, 0,
2247                                 _("%d-byte blocks too big for system (max %d)"),
2248                                 blocksize, sys_page_size);
2249                         proceed_question(proceed_delay);
2250                 }
2251                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2252                                   "(max %d), forced to continue\n"),
2253                         blocksize, sys_page_size);
2254         }
2255
2256         /* Metadata checksumming wasn't totally stable before 3.18. */
2257         if (is_before_linux_ver(3, 18, 0) &&
2258             ext2fs_has_feature_metadata_csum(&fs_param))
2259                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2260                         "improved stability of the metadata and journal "
2261                         "checksum features.\n"));
2262
2263         /*
2264          * On newer kernels we do have lazy_itable_init support. So pick the
2265          * right default in case ext4 module is not loaded.
2266          */
2267         if (is_before_linux_ver(2, 6, 37))
2268                 lazy_itable_init = 0;
2269         else
2270                 lazy_itable_init = 1;
2271
2272         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2273                 lazy_itable_init = 1;
2274
2275         lazy_itable_init = get_bool_from_profile(fs_types,
2276                                                  "lazy_itable_init",
2277                                                  lazy_itable_init);
2278         discard = get_bool_from_profile(fs_types, "discard" , discard);
2279         journal_flags |= get_bool_from_profile(fs_types,
2280                                                "lazy_journal_init", 0) ?
2281                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2282         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2283
2284         if (!journal_location_string)
2285                 journal_location_string = get_string_from_profile(fs_types,
2286                                                 "journal_location", "");
2287         if ((journal_location == ~0ULL) && journal_location_string &&
2288             *journal_location_string)
2289                 journal_location = parse_num_blocks2(journal_location_string,
2290                                                 fs_param.s_log_block_size);
2291         free(journal_location_string);
2292
2293         packed_meta_blocks = get_bool_from_profile(fs_types,
2294                                                    "packed_meta_blocks", 0);
2295         if (packed_meta_blocks)
2296                 journal_location = 0;
2297
2298         /* Get options from profile */
2299         for (cpp = fs_types; *cpp; cpp++) {
2300                 tmp = NULL;
2301                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2302                         if (tmp && *tmp)
2303                                 parse_extended_opts(&fs_param, tmp);
2304                         free(tmp);
2305         }
2306
2307         if (extended_opts)
2308                 parse_extended_opts(&fs_param, extended_opts);
2309
2310         if (explicit_fssize == 0 && offset > 0) {
2311                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2312                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2313                 fprintf(stderr,
2314                         _("\nWarning: offset specified without an "
2315                           "explicit file system size.\n"
2316                           "Creating a file system with %llu blocks "
2317                           "but this might\n"
2318                           "not be what you want.\n\n"),
2319                         (unsigned long long) fs_blocks_count);
2320         }
2321
2322         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2323         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2324             ext2fs_has_feature_gdt_csum(&fs_param))
2325                 ext2fs_clear_feature_gdt_csum(&fs_param);
2326
2327         /* Can't support bigalloc feature without extents feature */
2328         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2329             !ext2fs_has_feature_extents(&fs_param)) {
2330                 com_err(program_name, 0, "%s",
2331                         _("Can't support bigalloc feature without "
2332                           "extents feature"));
2333                 exit(1);
2334         }
2335
2336         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2337             ext2fs_has_feature_resize_inode(&fs_param)) {
2338                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2339                                         "features are not compatible.\n"
2340                                         "They can not be both enabled "
2341                                         "simultaneously.\n"));
2342                 exit(1);
2343         }
2344
2345         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2346                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2347                                   "still under development\n"
2348                                   "See https://ext4.wiki.kernel.org/"
2349                                   "index.php/Bigalloc for more information\n\n"));
2350
2351         /*
2352          * Since sparse_super is the default, we would only have a problem
2353          * here if it was explicitly disabled.
2354          */
2355         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2356             !ext2fs_has_feature_sparse_super(&fs_param)) {
2357                 com_err(program_name, 0, "%s",
2358                         _("reserved online resize blocks not supported "
2359                           "on non-sparse filesystem"));
2360                 exit(1);
2361         }
2362
2363         if (fs_param.s_blocks_per_group) {
2364                 if (fs_param.s_blocks_per_group < 256 ||
2365                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2366                         com_err(program_name, 0, "%s",
2367                                 _("blocks per group count out of range"));
2368                         exit(1);
2369                 }
2370         }
2371
2372         /*
2373          * If the bigalloc feature is enabled, then the -g option will
2374          * specify the number of clusters per group.
2375          */
2376         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2377                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2378                 fs_param.s_blocks_per_group = 0;
2379         }
2380
2381         if (inode_size == 0)
2382                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2383         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2384                 flex_bg_size = get_uint_from_profile(fs_types,
2385                                                      "flex_bg_size", 16);
2386         if (flex_bg_size) {
2387                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2388                         com_err(program_name, 0, "%s",
2389                                 _("Flex_bg feature not enabled, so "
2390                                   "flex_bg size may not be specified"));
2391                         exit(1);
2392                 }
2393                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2394         }
2395
2396         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2397                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2398                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2399                     inode_size & (inode_size - 1)) {
2400                         com_err(program_name, 0,
2401                                 _("invalid inode size %d (min %d/max %d)"),
2402                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2403                                 blocksize);
2404                         exit(1);
2405                 }
2406                 fs_param.s_inode_size = inode_size;
2407         }
2408
2409         /*
2410          * If inode size is 128 and inline data is enabled, we need
2411          * to notify users that inline data will never be useful.
2412          */
2413         if (ext2fs_has_feature_inline_data(&fs_param) &&
2414             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2415                 com_err(program_name, 0,
2416                         _("%d byte inodes are too small for inline data; "
2417                           "specify larger size"),
2418                         fs_param.s_inode_size);
2419                 exit(1);
2420         }
2421
2422         /*
2423          * If inode size is 128 and project quota is enabled, we need
2424          * to notify users that project ID will never be useful.
2425          */
2426         if (ext2fs_has_feature_project(&fs_param) &&
2427             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2428                 com_err(program_name, 0,
2429                         _("%d byte inodes are too small for project quota; "
2430                           "specify larger size"),
2431                         fs_param.s_inode_size);
2432                 exit(1);
2433         }
2434
2435         /* Make sure number of inodes specified will fit in 32 bits */
2436         if (num_inodes == 0) {
2437                 unsigned long long n;
2438                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2439                 if (n > MAX_32_NUM) {
2440                         if (ext2fs_has_feature_64bit(&fs_param))
2441                                 num_inodes = MAX_32_NUM;
2442                         else {
2443                                 com_err(program_name, 0,
2444                                         _("too many inodes (%llu), raise "
2445                                           "inode ratio?"), n);
2446                                 exit(1);
2447                         }
2448                 }
2449         } else if (num_inodes > MAX_32_NUM) {
2450                 com_err(program_name, 0,
2451                         _("too many inodes (%llu), specify < 2^32 inodes"),
2452                           num_inodes);
2453                 exit(1);
2454         }
2455         /*
2456          * Calculate number of inodes based on the inode ratio
2457          */
2458         fs_param.s_inodes_count = num_inodes ? num_inodes :
2459                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2460
2461         if ((((unsigned long long)fs_param.s_inodes_count) *
2462              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2463             ((ext2fs_blocks_count(&fs_param)) *
2464              EXT2_BLOCK_SIZE(&fs_param))) {
2465                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2466                                           "(%u) too big for a\n\t"
2467                                           "filesystem with %llu blocks, "
2468                                           "specify higher inode_ratio (-i)\n\t"
2469                                           "or lower inode count (-N).\n"),
2470                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2471                         fs_param.s_inodes_count,
2472                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2473                 exit(1);
2474         }
2475
2476         /*
2477          * Calculate number of blocks to reserve
2478          */
2479         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2480                                   ext2fs_blocks_count(&fs_param) / 100.0);
2481
2482         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2483                 if (num_backups >= 1)
2484                         fs_param.s_backup_bgs[0] = 1;
2485                 if (num_backups >= 2)
2486                         fs_param.s_backup_bgs[1] = ~0;
2487         }
2488
2489         free(fs_type);
2490         free(usage_types);
2491 }
2492
2493 static int should_do_undo(const char *name)
2494 {
2495         errcode_t retval;
2496         io_channel channel;
2497         __u16   s_magic;
2498         struct ext2_super_block super;
2499         io_manager manager = unix_io_manager;
2500         int csum_flag, force_undo;
2501
2502         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2503                     ext2fs_has_feature_gdt_csum(&fs_param);
2504         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2505         if (!force_undo && (!csum_flag || !lazy_itable_init))
2506                 return 0;
2507
2508         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2509         if (retval) {
2510                 /*
2511                  * We don't handle error cases instead we
2512                  * declare that the file system doesn't exist
2513                  * and let the rest of mke2fs take care of
2514                  * error
2515                  */
2516                 retval = 0;
2517                 goto open_err_out;
2518         }
2519
2520         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2521         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2522         if (retval) {
2523                 retval = 0;
2524                 goto err_out;
2525         }
2526
2527 #if defined(WORDS_BIGENDIAN)
2528         s_magic = ext2fs_swab16(super.s_magic);
2529 #else
2530         s_magic = super.s_magic;
2531 #endif
2532
2533         if (s_magic == EXT2_SUPER_MAGIC)
2534                 retval = 1;
2535
2536 err_out:
2537         io_channel_close(channel);
2538
2539 open_err_out:
2540
2541         return retval;
2542 }
2543
2544 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2545 {
2546         errcode_t retval = ENOMEM;
2547         char *tdb_dir = NULL, *tdb_file = NULL;
2548         char *dev_name, *tmp_name;
2549         int free_tdb_dir = 0;
2550
2551         /* (re)open a specific undo file */
2552         if (undo_file && undo_file[0] != 0) {
2553                 retval = set_undo_io_backing_manager(*io_ptr);
2554                 if (retval)
2555                         goto err;
2556                 *io_ptr = undo_io_manager;
2557                 retval = set_undo_io_backup_file(undo_file);
2558                 if (retval)
2559                         goto err;
2560                 printf(_("Overwriting existing filesystem; this can be undone "
2561                          "using the command:\n"
2562                          "    e2undo %s %s\n\n"), undo_file, name);
2563                 return retval;
2564         }
2565
2566         /*
2567          * Configuration via a conf file would be
2568          * nice
2569          */
2570         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2571         if (!tdb_dir) {
2572                 profile_get_string(profile, "defaults",
2573                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2574                                    &tdb_dir);
2575                 free_tdb_dir = 1;
2576         }
2577
2578         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2579             access(tdb_dir, W_OK)) {
2580                 if (free_tdb_dir)
2581                         free(tdb_dir);
2582                 return 0;
2583         }
2584
2585         tmp_name = strdup(name);
2586         if (!tmp_name)
2587                 goto errout;
2588         dev_name = basename(tmp_name);
2589         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2590         if (!tdb_file) {
2591                 free(tmp_name);
2592                 goto errout;
2593         }
2594         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2595         free(tmp_name);
2596
2597         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2598                 retval = errno;
2599                 com_err(program_name, retval,
2600                         _("while trying to delete %s"), tdb_file);
2601                 goto errout;
2602         }
2603
2604         retval = set_undo_io_backing_manager(*io_ptr);
2605         if (retval)
2606                 goto errout;
2607         *io_ptr = undo_io_manager;
2608         retval = set_undo_io_backup_file(tdb_file);
2609         if (retval)
2610                 goto errout;
2611         printf(_("Overwriting existing filesystem; this can be undone "
2612                  "using the command:\n"
2613                  "    e2undo %s %s\n\n"), tdb_file, name);
2614
2615         if (free_tdb_dir)
2616                 free(tdb_dir);
2617         free(tdb_file);
2618         return 0;
2619
2620 errout:
2621         if (free_tdb_dir)
2622                 free(tdb_dir);
2623         free(tdb_file);
2624 err:
2625         com_err(program_name, retval, "%s",
2626                 _("while trying to setup undo file\n"));
2627         return retval;
2628 }
2629
2630 static int mke2fs_discard_device(ext2_filsys fs)
2631 {
2632         struct ext2fs_numeric_progress_struct progress;
2633         blk64_t blocks = ext2fs_blocks_count(fs->super);
2634         blk64_t count = DISCARD_STEP_MB;
2635         blk64_t cur;
2636         int retval = 0;
2637
2638         /*
2639          * Let's try if discard really works on the device, so
2640          * we do not print numeric progress resulting in failure
2641          * afterwards.
2642          */
2643         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2644         if (retval)
2645                 return retval;
2646         cur = fs->blocksize;
2647
2648         count *= (1024 * 1024);
2649         count /= fs->blocksize;
2650
2651         ext2fs_numeric_progress_init(fs, &progress,
2652                                      _("Discarding device blocks: "),
2653                                      blocks);
2654         while (cur < blocks) {
2655                 ext2fs_numeric_progress_update(fs, &progress, cur);
2656
2657                 if (cur + count > blocks)
2658                         count = blocks - cur;
2659
2660                 retval = io_channel_discard(fs->io, cur, count);
2661                 if (retval)
2662                         break;
2663                 cur += count;
2664         }
2665
2666         if (retval) {
2667                 ext2fs_numeric_progress_close(fs, &progress,
2668                                       _("failed - "));
2669                 if (!quiet)
2670                         printf("%s\n",error_message(retval));
2671         } else
2672                 ext2fs_numeric_progress_close(fs, &progress,
2673                                       _("done                            \n"));
2674
2675         return retval;
2676 }
2677
2678 static void fix_cluster_bg_counts(ext2_filsys fs)
2679 {
2680         blk64_t         block, num_blocks, last_block, next;
2681         blk64_t         tot_free = 0;
2682         errcode_t       retval;
2683         dgrp_t          group = 0;
2684         int             grp_free = 0;
2685
2686         num_blocks = ext2fs_blocks_count(fs->super);
2687         last_block = ext2fs_group_last_block2(fs, group);
2688         block = fs->super->s_first_data_block;
2689         while (block < num_blocks) {
2690                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2691                                                 block, last_block, &next);
2692                 if (retval == 0)
2693                         block = next;
2694                 else {
2695                         block = last_block + 1;
2696                         goto next_bg;
2697                 }
2698
2699                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2700                                                 block, last_block, &next);
2701                 if (retval)
2702                         next = last_block + 1;
2703                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2704                 tot_free += next - block;
2705                 block = next;
2706
2707                 if (block > last_block) {
2708                 next_bg:
2709                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2710                         ext2fs_group_desc_csum_set(fs, group);
2711                         grp_free = 0;
2712                         group++;
2713                         last_block = ext2fs_group_last_block2(fs, group);
2714                 }
2715         }
2716         ext2fs_free_blocks_count_set(fs->super, tot_free);
2717 }
2718
2719 static int create_quota_inodes(ext2_filsys fs)
2720 {
2721         quota_ctx_t qctx;
2722         errcode_t retval;
2723
2724         retval = quota_init_context(&qctx, fs, quotatype_bits);
2725         if (retval) {
2726                 com_err(program_name, retval,
2727                         _("while initializing quota context"));
2728                 exit(1);
2729         }
2730         quota_compute_usage(qctx);
2731         retval = quota_write_inode(qctx, quotatype_bits);
2732         if (retval) {
2733                 com_err(program_name, retval,
2734                         _("while writing quota inodes"));
2735                 exit(1);
2736         }
2737         quota_release_context(&qctx);
2738
2739         return 0;
2740 }
2741
2742 static errcode_t set_error_behavior(ext2_filsys fs)
2743 {
2744         char    *arg = NULL;
2745         short   errors = fs->super->s_errors;
2746
2747         arg = get_string_from_profile(fs_types, "errors", NULL);
2748         if (arg == NULL)
2749                 goto try_user;
2750
2751         if (strcmp(arg, "continue") == 0)
2752                 errors = EXT2_ERRORS_CONTINUE;
2753         else if (strcmp(arg, "remount-ro") == 0)
2754                 errors = EXT2_ERRORS_RO;
2755         else if (strcmp(arg, "panic") == 0)
2756                 errors = EXT2_ERRORS_PANIC;
2757         else {
2758                 com_err(program_name, 0,
2759                         _("bad error behavior in profile - %s"),
2760                         arg);
2761                 free(arg);
2762                 return EXT2_ET_INVALID_ARGUMENT;
2763         }
2764         free(arg);
2765
2766 try_user:
2767         if (errors_behavior)
2768                 errors = errors_behavior;
2769
2770         fs->super->s_errors = errors;
2771         return 0;
2772 }
2773
2774 int main (int argc, char *argv[])
2775 {
2776         errcode_t       retval = 0;
2777         ext2_filsys     fs;
2778         badblocks_list  bb_list = 0;
2779         unsigned int    journal_blocks = 0;
2780         unsigned int    i, checkinterval;
2781         int             max_mnt_count;
2782         int             val, hash_alg;
2783         int             flags;
2784         int             old_bitmaps;
2785         io_manager      io_ptr;
2786         char            opt_string[40];
2787         char            *hash_alg_str;
2788         int             itable_zeroed = 0;
2789
2790 #ifdef ENABLE_NLS
2791         setlocale(LC_MESSAGES, "");
2792         setlocale(LC_CTYPE, "");
2793         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2794         textdomain(NLS_CAT_NAME);
2795         set_com_err_gettext(gettext);
2796 #endif
2797         PRS(argc, argv);
2798
2799 #ifdef CONFIG_TESTIO_DEBUG
2800         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2801                 io_ptr = test_io_manager;
2802                 test_io_backing_manager = unix_io_manager;
2803         } else
2804 #endif
2805                 io_ptr = unix_io_manager;
2806
2807         if (undo_file != NULL || should_do_undo(device_name)) {
2808                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2809                 if (retval)
2810                         exit(1);
2811         }
2812
2813         /*
2814          * Initialize the superblock....
2815          */
2816         flags = EXT2_FLAG_EXCLUSIVE;
2817         if (direct_io)
2818                 flags |= EXT2_FLAG_DIRECT_IO;
2819         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2820                             &old_bitmaps);
2821         if (!old_bitmaps)
2822                 flags |= EXT2_FLAG_64BITS;
2823         /*
2824          * By default, we print how many inode tables or block groups
2825          * or whatever we've written so far.  The quiet flag disables
2826          * this, along with a lot of other output.
2827          */
2828         if (!quiet)
2829                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2830         retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs);
2831         if (retval) {
2832                 com_err(device_name, retval, "%s",
2833                         _("while setting up superblock"));
2834                 exit(1);
2835         }
2836         fs->progress_ops = &ext2fs_numeric_progress_ops;
2837
2838         /* Set the error behavior */
2839         retval = set_error_behavior(fs);
2840         if (retval)
2841                 usage();
2842
2843         /* Check the user's mkfs options for metadata checksumming */
2844         if (!quiet &&
2845             !ext2fs_has_feature_journal_dev(fs->super) &&
2846             ext2fs_has_feature_metadata_csum(fs->super)) {
2847                 if (!ext2fs_has_feature_extents(fs->super))
2848                         printf("%s",
2849                                _("Extents are not enabled.  The file extent "
2850                                  "tree can be checksummed, whereas block maps "
2851                                  "cannot.  Not enabling extents reduces the "
2852                                  "coverage of metadata checksumming.  "
2853                                  "Pass -O extents to rectify.\n"));
2854                 if (!ext2fs_has_feature_64bit(fs->super))
2855                         printf("%s",
2856                                _("64-bit filesystem support is not enabled.  "
2857                                  "The larger fields afforded by this feature "
2858                                  "enable full-strength checksumming.  "
2859                                  "Pass -O 64bit to rectify.\n"));
2860         }
2861
2862         if (ext2fs_has_feature_csum_seed(fs->super) &&
2863             !ext2fs_has_feature_metadata_csum(fs->super)) {
2864                 printf("%s", _("The metadata_csum_seed feature "
2865                                "requres the metadata_csum feature.\n"));
2866                 exit(1);
2867         }
2868
2869         /* Calculate journal blocks */
2870         if (!journal_device && ((journal_size) ||
2871             ext2fs_has_feature_journal(&fs_param)))
2872                 journal_blocks = figure_journal_size(journal_size, fs);
2873
2874         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2875                 32768 : fs->blocksize * 8);
2876         io_channel_set_options(fs->io, opt_string);
2877         if (offset) {
2878                 sprintf(opt_string, "offset=%llu", offset);
2879                 io_channel_set_options(fs->io, opt_string);
2880         }
2881
2882         /* Can't undo discard ... */
2883         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
2884                 retval = mke2fs_discard_device(fs);
2885                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2886                         if (verbose)
2887                                 printf("%s",
2888                                        _("Discard succeeded and will return "
2889                                          "0s - skipping inode table wipe\n"));
2890                         lazy_itable_init = 1;
2891                         itable_zeroed = 1;
2892                         zero_hugefile = 0;
2893                 }
2894         }
2895
2896         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2897                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2898
2899         if (ext2fs_has_feature_flex_bg(&fs_param) ||
2900             ext2fs_has_feature_huge_file(&fs_param) ||
2901             ext2fs_has_feature_gdt_csum(&fs_param) ||
2902             ext2fs_has_feature_dir_nlink(&fs_param) ||
2903             ext2fs_has_feature_metadata_csum(&fs_param) ||
2904             ext2fs_has_feature_extra_isize(&fs_param))
2905                 fs->super->s_kbytes_written = 1;
2906
2907         /*
2908          * Wipe out the old on-disk superblock
2909          */
2910         if (!noaction)
2911                 zap_sector(fs, 2, 6);
2912
2913         /*
2914          * Parse or generate a UUID for the filesystem
2915          */
2916         if (fs_uuid) {
2917                 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) {
2918                         com_err(device_name, 0, "could not parse UUID: %s\n",
2919                                 fs_uuid);
2920                         exit(1);
2921                 }
2922         } else
2923                 uuid_generate(fs->super->s_uuid);
2924
2925         if (ext2fs_has_feature_csum_seed(fs->super))
2926                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
2927                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
2928
2929         ext2fs_init_csum_seed(fs);
2930
2931         /*
2932          * Initialize the directory index variables
2933          */
2934         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
2935                                                "half_md4");
2936         hash_alg = e2p_string2hash(hash_alg_str);
2937         free(hash_alg_str);
2938         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
2939                 EXT2_HASH_HALF_MD4;
2940         uuid_generate((unsigned char *) fs->super->s_hash_seed);
2941
2942         /*
2943          * Periodic checks can be enabled/disabled via config file.
2944          * Note we override the kernel include file's idea of what the default
2945          * check interval (never) should be.  It's a good idea to check at
2946          * least *occasionally*, specially since servers will never rarely get
2947          * to reboot, since Linux is so robust these days.  :-)
2948          *
2949          * 180 days (six months) seems like a good value.
2950          */
2951 #ifdef EXT2_DFL_CHECKINTERVAL
2952 #undef EXT2_DFL_CHECKINTERVAL
2953 #endif
2954 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
2955
2956         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
2957                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
2958                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
2959                 /*
2960                  * Add "jitter" to the superblock's check interval so that we
2961                  * don't check all the filesystems at the same time.  We use a
2962                  * kludgy hack of using the UUID to derive a random jitter value
2963                  */
2964                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
2965                         val += fs->super->s_uuid[i];
2966                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
2967         } else
2968                 fs->super->s_max_mnt_count = -1;
2969
2970         /*
2971          * Override the creator OS, if applicable
2972          */
2973         if (creator_os && !set_os(fs->super, creator_os)) {
2974                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
2975                 exit(1);
2976         }
2977
2978         /*
2979          * For the Hurd, we will turn off filetype since it doesn't
2980          * support it.
2981          */
2982         if (fs->super->s_creator_os == EXT2_OS_HURD)
2983                 ext2fs_clear_feature_filetype(fs->super);
2984
2985         /*
2986          * Set the volume label...
2987          */
2988         if (volume_label) {
2989                 memset(fs->super->s_volume_name, 0,
2990                        sizeof(fs->super->s_volume_name));
2991                 strncpy(fs->super->s_volume_name, volume_label,
2992                         sizeof(fs->super->s_volume_name));
2993         }
2994
2995         /*
2996          * Set the last mount directory
2997          */
2998         if (mount_dir) {
2999                 memset(fs->super->s_last_mounted, 0,
3000                        sizeof(fs->super->s_last_mounted));
3001                 strncpy(fs->super->s_last_mounted, mount_dir,
3002                         sizeof(fs->super->s_last_mounted));
3003         }
3004
3005         /* Set current default encryption algorithms for data and
3006          * filename encryption */
3007         if (ext2fs_has_feature_encrypt(fs->super)) {
3008                 fs->super->s_encrypt_algos[0] =
3009                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3010                 fs->super->s_encrypt_algos[1] =
3011                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3012         }
3013
3014         if (ext2fs_has_feature_metadata_csum(fs->super))
3015                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3016
3017         if (!quiet || noaction)
3018                 show_stats(fs);
3019
3020         if (noaction)
3021                 exit(0);
3022
3023         if (ext2fs_has_feature_journal_dev(fs->super)) {
3024                 create_journal_dev(fs);
3025                 printf("\n");
3026                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3027         }
3028
3029         if (bad_blocks_filename)
3030                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3031         if (cflag)
3032                 test_disk(fs, &bb_list);
3033         handle_bad_blocks(fs, bb_list);
3034
3035         fs->stride = fs_stride = fs->super->s_raid_stride;
3036         if (!quiet)
3037                 printf("%s", _("Allocating group tables: "));
3038         if (ext2fs_has_feature_flex_bg(fs->super) &&
3039             packed_meta_blocks)
3040                 retval = packed_allocate_tables(fs);
3041         else
3042                 retval = ext2fs_allocate_tables(fs);
3043         if (retval) {
3044                 com_err(program_name, retval, "%s",
3045                         _("while trying to allocate filesystem tables"));
3046                 exit(1);
3047         }
3048         if (!quiet)
3049                 printf("%s", _("done                            \n"));
3050
3051         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3052         if (retval) {
3053                 com_err(program_name, retval, "%s",
3054                         _("\n\twhile converting subcluster bitmap"));
3055                 exit(1);
3056         }
3057
3058         if (super_only) {
3059                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3060                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3061                        device_name);
3062                 if (!force)
3063                         proceed_question(proceed_delay);
3064                 fs->super->s_state |= EXT2_ERROR_FS;
3065                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3066                 /*
3067                  * The command "mke2fs -S" is used to recover
3068                  * corrupted file systems, so do not mark any of the
3069                  * inodes as unused; we want e2fsck to consider all
3070                  * inodes as potentially containing recoverable data.
3071                  */
3072                 if (ext2fs_has_group_desc_csum(fs)) {
3073                         for (i = 0; i < fs->group_desc_count; i++)
3074                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3075                 }
3076         } else {
3077                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3078                 blk64_t rsv = 65536 / fs->blocksize;
3079                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3080                 blk64_t start;
3081                 blk64_t ret_blk;
3082
3083 #ifdef ZAP_BOOTBLOCK
3084                 zap_sector(fs, 0, 2);
3085 #endif
3086
3087                 /*
3088                  * Wipe out any old MD RAID (or other) metadata at the end
3089                  * of the device.  This will also verify that the device is
3090                  * as large as we think.  Be careful with very small devices.
3091                  */
3092                 start = (blocks & ~(rsv - 1));
3093                 if (start > rsv)
3094                         start -= rsv;
3095                 if (start > 0)
3096                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3097                                                     &ret_blk, NULL);
3098
3099                 if (retval) {
3100                         com_err(program_name, retval,
3101                                 _("while zeroing block %llu at end of filesystem"),
3102                                 ret_blk);
3103                 }
3104                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3105                 create_root_dir(fs);
3106                 create_lost_and_found(fs);
3107                 reserve_inodes(fs);
3108                 create_bad_block_inode(fs, bb_list);
3109                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3110                         retval = ext2fs_create_resize_inode(fs);
3111                         if (retval) {
3112                                 com_err("ext2fs_create_resize_inode", retval,
3113                                         "%s",
3114                                 _("while reserving blocks for online resize"));
3115                                 exit(1);
3116                         }
3117                 }
3118         }
3119
3120         if (journal_device) {
3121                 ext2_filsys     jfs;
3122
3123                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3124                                         NULL) && !force)
3125                         proceed_question(proceed_delay);
3126                 check_mount(journal_device, force, _("journal"));
3127
3128                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3129                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3130                                      fs->blocksize, unix_io_manager, &jfs);
3131                 if (retval) {
3132                         com_err(program_name, retval,
3133                                 _("while trying to open journal device %s\n"),
3134                                 journal_device);
3135                         exit(1);
3136                 }
3137                 if (!quiet) {
3138                         printf(_("Adding journal to device %s: "),
3139                                journal_device);
3140                         fflush(stdout);
3141                 }
3142                 retval = ext2fs_add_journal_device(fs, jfs);
3143                 if(retval) {
3144                         com_err (program_name, retval,
3145                                  _("\n\twhile trying to add journal to device %s"),
3146                                  journal_device);
3147                         exit(1);
3148                 }
3149                 if (!quiet)
3150                         printf("%s", _("done\n"));
3151                 ext2fs_close_free(&jfs);
3152                 free(journal_device);
3153         } else if ((journal_size) ||
3154                    ext2fs_has_feature_journal(&fs_param)) {
3155                 if (super_only) {
3156                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3157                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3158                         goto no_journal;
3159                 }
3160
3161                 if (!journal_blocks) {
3162                         ext2fs_clear_feature_journal(fs->super);
3163                         goto no_journal;
3164                 }
3165                 if (!quiet) {
3166                         printf(_("Creating journal (%u blocks): "),
3167                                journal_blocks);
3168                         fflush(stdout);
3169                 }
3170                 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3171                                                    journal_location,
3172                                                    journal_flags);
3173                 if (retval) {
3174                         com_err(program_name, retval, "%s",
3175                                 _("\n\twhile trying to create journal"));
3176                         exit(1);
3177                 }
3178                 if (!quiet)
3179                         printf("%s", _("done\n"));
3180         }
3181 no_journal:
3182         if (!super_only &&
3183             ext2fs_has_feature_mmp(fs->super)) {
3184                 retval = ext2fs_mmp_init(fs);
3185                 if (retval) {
3186                         fprintf(stderr, "%s",
3187                                 _("\nError while enabling multiple "
3188                                   "mount protection feature."));
3189                         exit(1);
3190                 }
3191                 if (!quiet)
3192                         printf(_("Multiple mount protection is enabled "
3193                                  "with update interval %d seconds.\n"),
3194                                fs->super->s_mmp_update_interval);
3195         }
3196
3197         if (ext2fs_has_feature_bigalloc(&fs_param))
3198                 fix_cluster_bg_counts(fs);
3199         if (ext2fs_has_feature_project(&fs_param))
3200                 quotatype_bits |= QUOTA_PRJ_BIT;
3201         if (ext2fs_has_feature_quota(&fs_param))
3202                 create_quota_inodes(fs);
3203
3204         retval = mk_hugefiles(fs, device_name);
3205         if (retval)
3206                 com_err(program_name, retval, "while creating huge files");
3207         /* Copy files from the specified directory */
3208         if (src_root_dir) {
3209                 if (!quiet)
3210                         printf("%s", _("Copying files into the device: "));
3211
3212                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3213                                      EXT2_ROOT_INO);
3214                 if (retval) {
3215                         com_err(program_name, retval, "%s",
3216                                 _("while populating file system"));
3217                         exit(1);
3218                 } else if (!quiet)
3219                         printf("%s", _("done\n"));
3220         }
3221
3222         if (!quiet)
3223                 printf("%s", _("Writing superblocks and "
3224                        "filesystem accounting information: "));
3225         checkinterval = fs->super->s_checkinterval;
3226         max_mnt_count = fs->super->s_max_mnt_count;
3227         retval = ext2fs_close_free(&fs);
3228         if (retval) {
3229                 fprintf(stderr, "%s",
3230                         _("\nWarning, had trouble writing out superblocks.\n"));
3231         } else if (!quiet) {
3232                 printf("%s", _("done\n\n"));
3233                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3234                         print_check_message(max_mnt_count, checkinterval);
3235         }
3236
3237         remove_error_table(&et_ext2_error_table);
3238         remove_error_table(&et_prof_error_table);
3239         profile_release(profile);
3240         for (i=0; fs_types[i]; i++)
3241                 free(fs_types[i]);
3242         free(fs_types);
3243         return retval;
3244 }