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 "plausible.h"
  56 #include "profile.h"
  57 #include "prof_err.h"
  58 #include "../version.h"
  59 #include "quota/quotaio.h"
  60 #include "mke2fs.h"
  61 #include "create_inode.h"
  62 #include "nls-enable.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 static int      quotatype = -1;  /* Initialize both user and group quotas by default */
  99 static __u64    offset;
 100 static blk64_t journal_location = ~0LL;
 101 static int      proceed_delay = -1;
 102 static blk64_t  dev_size;
 103
 104 static struct ext2_super_block fs_param;
 105 static char *fs_uuid = NULL;
 106 static char *creator_os;
 107 static char *volume_label;
 108 static char *mount_dir;
 109 char *journal_device;
 110 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 111 char **fs_types;
 112 const char *root_dir;  /* Copy files from the specified directory */
 113 static char *undo_file;
 114
 115 static profile_t        profile;
 116
 117 static int sys_page_size = 4096;
 118
 119 static int errors_behavior = 0;
 120
 121 static void usage(void)
 122 {
 123         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 124         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 125         "[-J journal-options]\n"
 126         "\t[-G flex-group-size] [-N number-of-inodes] "
 127         "[-d root-directory]\n"
 128         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 129         "\t[-g blocks-per-group] [-L volume-label] "
 130         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 131         "[-r fs-revision] [-E extended-option[,...]]\n"
 132         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 133         "[-z undo_file]\n"
 134         "\t[-jnqvDFKSV] device [blocks-count]\n"),
 135                 program_name);
 136         exit(1);
 137 }
 138
 139 static int int_log2(unsigned long long arg)
 140 {
 141         int     l = 0;
 142
 143         arg >>= 1;
 144         while (arg) {
 145                 l++;
 146                 arg >>= 1;
 147         }
 148         return l;
 149 }
 150
 151 int int_log10(unsigned long long arg)
 152 {
 153         int     l;
 154
 155         for (l=0; arg ; l++)
 156                 arg = arg / 10;
 157         return l;
 158 }
 159
 160 #ifdef __linux__
 161 static int parse_version_number(const char *s)
 162 {
 163         int     major, minor, rev;
 164         char    *endptr;
 165         const char *cp = s;
 166
 167         if (!s)
 168                 return 0;
 169         major = strtol(cp, &endptr, 10);
 170         if (cp == endptr || *endptr != '.')
 171                 return 0;
 172         cp = endptr + 1;
 173         minor = strtol(cp, &endptr, 10);
 174         if (cp == endptr || *endptr != '.')
 175                 return 0;
 176         cp = endptr + 1;
 177         rev = strtol(cp, &endptr, 10);
 178         if (cp == endptr)
 179                 return 0;
 180         return KERNEL_VERSION(major, minor, rev);
 181 }
 182
 183 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 184                                unsigned int rev)
 185 {
 186         struct          utsname ut;
 187         static int      linux_version_code = -1;
 188
 189         if (uname(&ut)) {
 190                 perror("uname");
 191                 exit(1);
 192         }
 193         if (linux_version_code < 0)
 194                 linux_version_code = parse_version_number(ut.release);
 195         if (linux_version_code == 0)
 196                 return 0;
 197
 198         return linux_version_code < KERNEL_VERSION(major, minor, rev);
 199 }
 200 #else
 201 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 202                                unsigned int rev)
 203 {
 204         return 0;
 205 }
 206 #endif
 207
 208 /*
 209  * Helper function for read_bb_file and test_disk
 210  */
 211 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 212 {
 213         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 214         return;
 215 }
 216
 217 /*
 218  * Reads the bad blocks list from a file
 219  */
 220 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 221                          const char *bad_blocks_file)
 222 {
 223         FILE            *f;
 224         errcode_t       retval;
 225
 226         f = fopen(bad_blocks_file, "r");
 227         if (!f) {
 228                 com_err("read_bad_blocks_file", errno,
 229                         _("while trying to open %s"), bad_blocks_file);
 230                 exit(1);
 231         }
 232         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 233         fclose (f);
 234         if (retval) {
 235                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 236                         _("while reading in list of bad blocks from file"));
 237                 exit(1);
 238         }
 239 }
 240
 241 /*
 242  * Runs the badblocks program to test the disk
 243  */
 244 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 245 {
 246         FILE            *f;
 247         errcode_t       retval;
 248         char            buf[1024];
 249
 250         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 251                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 252                 fs->device_name, ext2fs_blocks_count(fs->super)-1);
 253         if (verbose)
 254                 printf(_("Running command: %s\n"), buf);
 255         f = popen(buf, "r");
 256         if (!f) {
 257                 com_err("popen", errno,
 258                         _("while trying to run '%s'"), buf);
 259                 exit(1);
 260         }
 261         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 262         pclose(f);
 263         if (retval) {
 264                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 265                         _("while processing list of bad blocks from program"));
 266                 exit(1);
 267         }
 268 }
 269
 270 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 271 {
 272         dgrp_t                  i;
 273         blk_t                   j;
 274         unsigned                must_be_good;
 275         blk_t                   blk;
 276         badblocks_iterate       bb_iter;
 277         errcode_t               retval;
 278         blk_t                   group_block;
 279         int                     group;
 280         int                     group_bad;
 281
 282         if (!bb_list)
 283                 return;
 284
 285         /*
 286          * The primary superblock and group descriptors *must* be
 287          * good; if not, abort.
 288          */
 289         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 290         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 291                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 292                         fprintf(stderr, _("Block %d in primary "
 293                                 "superblock/group descriptor area bad.\n"), i);
 294                         fprintf(stderr, _("Blocks %u through %u must be good "
 295                                 "in order to build a filesystem.\n"),
 296                                 fs->super->s_first_data_block, must_be_good);
 297                         fputs(_("Aborting....\n"), stderr);
 298                         exit(1);
 299                 }
 300         }
 301
 302         /*
 303          * See if any of the bad blocks are showing up in the backup
 304          * superblocks and/or group descriptors.  If so, issue a
 305          * warning and adjust the block counts appropriately.
 306          */
 307         group_block = fs->super->s_first_data_block +
 308                 fs->super->s_blocks_per_group;
 309
 310         for (i = 1; i < fs->group_desc_count; i++) {
 311                 group_bad = 0;
 312                 for (j=0; j < fs->desc_blocks+1; j++) {
 313                         if (ext2fs_badblocks_list_test(bb_list,
 314                                                        group_block + j)) {
 315                                 if (!group_bad)
 316                                         fprintf(stderr,
 317 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 318 "       bad blocks.\n\n"),
 319                                                 group_block);
 320                                 group_bad++;
 321                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 322                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 323                                 ext2fs_group_desc_csum_set(fs, group);
 324                                 ext2fs_free_blocks_count_add(fs->super, 1);
 325                         }
 326                 }
 327                 group_block += fs->super->s_blocks_per_group;
 328         }
 329
 330         /*
 331          * Mark all the bad blocks as used...
 332          */
 333         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 334         if (retval) {
 335                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 336                         _("while marking bad blocks as used"));
 337                 exit(1);
 338         }
 339         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 340                 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
 341         ext2fs_badblocks_list_iterate_end(bb_iter);
 342 }
 343
 344 static void write_reserved_inodes(ext2_filsys fs)
 345 {
 346         errcode_t       retval;
 347         ext2_ino_t      ino;
 348         struct ext2_inode *inode;
 349
 350         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 351         if (retval) {
 352                 com_err("inode_init", retval, _("while allocating memory"));
 353                 exit(1);
 354         }
 355
 356         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++)
 357                 ext2fs_write_inode_full(fs, ino, inode,
 358                                         EXT2_INODE_SIZE(fs->super));
 359
 360         ext2fs_free_mem(&inode);
 361 }
 362
 363 static errcode_t packed_allocate_tables(ext2_filsys fs)
 364 {
 365         errcode_t       retval;
 366         dgrp_t          i;
 367         blk64_t         goal = 0;
 368
 369         for (i = 0; i < fs->group_desc_count; i++) {
 370                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 371                 if (retval)
 372                         return retval;
 373                 ext2fs_block_alloc_stats2(fs, goal, +1);
 374                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 375         }
 376         for (i = 0; i < fs->group_desc_count; i++) {
 377                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 378                 if (retval)
 379                         return retval;
 380                 ext2fs_block_alloc_stats2(fs, goal, +1);
 381                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 382         }
 383         for (i = 0; i < fs->group_desc_count; i++) {
 384                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 385                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 386                                                  fs->inode_blocks_per_group,
 387                                                  fs->block_map, &goal);
 388                 if (retval)
 389                         return retval;
 390                 ext2fs_block_alloc_stats_range(fs, goal,
 391                                                fs->inode_blocks_per_group, +1);
 392                 ext2fs_inode_table_loc_set(fs, i, goal);
 393                 ext2fs_group_desc_csum_set(fs, i);
 394         }
 395         return 0;
 396 }
 397
 398 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 399 {
 400         errcode_t       retval;
 401         blk64_t         blk;
 402         dgrp_t          i;
 403         int             num;
 404         struct ext2fs_numeric_progress_struct progress;
 405
 406         ext2fs_numeric_progress_init(fs, &progress,
 407                                      _("Writing inode tables: "),
 408                                      fs->group_desc_count);
 409
 410         for (i = 0; i < fs->group_desc_count; i++) {
 411                 ext2fs_numeric_progress_update(fs, &progress, i);
 412
 413                 blk = ext2fs_inode_table_loc(fs, i);
 414                 num = fs->inode_blocks_per_group;
 415
 416                 if (lazy_flag)
 417                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 418                                                ext2fs_bg_itable_unused(fs, i)) *
 419                                               EXT2_INODE_SIZE(fs->super),
 420                                               EXT2_BLOCK_SIZE(fs->super));
 421                 if (!lazy_flag || itable_zeroed) {
 422                         /* The kernel doesn't need to zero the itable blocks */
 423                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 424                         ext2fs_group_desc_csum_set(fs, i);
 425                 }
 426                 if (!itable_zeroed) {
 427                         retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
 428                         if (retval) {
 429                                 fprintf(stderr, _("\nCould not write %d "
 430                                           "blocks in inode table starting at %llu: %s\n"),
 431                                         num, blk, error_message(retval));
 432                                 exit(1);
 433                         }
 434                 }
 435                 if (sync_kludge) {
 436                         if (sync_kludge == 1)
 437                                 sync();
 438                         else if ((i % sync_kludge) == 0)
 439                                 sync();
 440                 }
 441         }
 442         ext2fs_numeric_progress_close(fs, &progress,
 443                                       _("done                            \n"));
 444
 445         /* Reserved inodes must always have correct checksums */
 446         if (fs->super->s_creator_os == EXT2_OS_LINUX &&
 447             fs->super->s_feature_ro_compat &
 448             EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
 449                 write_reserved_inodes(fs);
 450 }
 451
 452 static void create_root_dir(ext2_filsys fs)
 453 {
 454         errcode_t               retval;
 455         struct ext2_inode       inode;
 456
 457         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 458         if (retval) {
 459                 com_err("ext2fs_mkdir", retval, "%s",
 460                         _("while creating root dir"));
 461                 exit(1);
 462         }
 463         if (root_uid != 0 || root_gid != 0) {
 464                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 465                 if (retval) {
 466                         com_err("ext2fs_read_inode", retval, "%s",
 467                                 _("while reading root inode"));
 468                         exit(1);
 469                 }
 470
 471                 inode.i_uid = root_uid;
 472                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 473                 inode.i_gid = root_gid;
 474                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 475
 476                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 477                 if (retval) {
 478                         com_err("ext2fs_write_inode", retval, "%s",
 479                                 _("while setting root inode ownership"));
 480                         exit(1);
 481                 }
 482         }
 483 }
 484
 485 static void create_lost_and_found(ext2_filsys fs)
 486 {
 487         unsigned int            lpf_size = 0;
 488         errcode_t               retval;
 489         ext2_ino_t              ino;
 490         const char              *name = "lost+found";
 491         int                     i;
 492
 493         fs->umask = 077;
 494         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 495         if (retval) {
 496                 com_err("ext2fs_mkdir", retval, "%s",
 497                         _("while creating /lost+found"));
 498                 exit(1);
 499         }
 500
 501         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 502         if (retval) {
 503                 com_err("ext2_lookup", retval, "%s",
 504                         _("while looking up /lost+found"));
 505                 exit(1);
 506         }
 507
 508         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 509                 /* Ensure that lost+found is at least 2 blocks, so we always
 510                  * test large empty blocks for big-block filesystems.  */
 511                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 512                     lpf_size >= 2 * fs->blocksize)
 513                         break;
 514                 retval = ext2fs_expand_dir(fs, ino);
 515                 if (retval) {
 516                         com_err("ext2fs_expand_dir", retval, "%s",
 517                                 _("while expanding /lost+found"));
 518                         exit(1);
 519                 }
 520         }
 521 }
 522
 523 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 524 {
 525         errcode_t       retval;
 526
 527         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 528         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 529         retval = ext2fs_update_bb_inode(fs, bb_list);
 530         if (retval) {
 531                 com_err("ext2fs_update_bb_inode", retval, "%s",
 532                         _("while setting bad block inode"));
 533                 exit(1);
 534         }
 535
 536 }
 537
 538 static void reserve_inodes(ext2_filsys fs)
 539 {
 540         ext2_ino_t      i;
 541
 542         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 543                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 544         ext2fs_mark_ib_dirty(fs);
 545 }
 546
 547 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 548 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 549 #define BSD_LABEL_OFFSET        64
 550
 551 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 552 {
 553         char *buf;
 554         int retval;
 555         unsigned int *magic;
 556
 557         buf = malloc(512*nsect);
 558         if (!buf) {
 559                 printf(_("Out of memory erasing sectors %d-%d\n"),
 560                        sect, sect + nsect - 1);
 561                 exit(1);
 562         }
 563
 564         if (sect == 0) {
 565                 /* Check for a BSD disklabel, and don't erase it if so */
 566                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 567                 if (retval)
 568                         fprintf(stderr,
 569                                 _("Warning: could not read block 0: %s\n"),
 570                                 error_message(retval));
 571                 else {
 572                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 573                         if ((*magic == BSD_DISKMAGIC) ||
 574                             (*magic == BSD_MAGICDISK))
 575                                 return;
 576                 }
 577         }
 578
 579         memset(buf, 0, 512*nsect);
 580         io_channel_set_blksize(fs->io, 512);
 581         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 582         io_channel_set_blksize(fs->io, fs->blocksize);
 583         free(buf);
 584         if (retval)
 585                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 586                         sect, error_message(retval));
 587 }
 588
 589 static void create_journal_dev(ext2_filsys fs)
 590 {
 591         struct ext2fs_numeric_progress_struct progress;
 592         errcode_t               retval;
 593         char                    *buf;
 594         blk64_t                 blk, err_blk;
 595         int                     c, count, err_count;
 596
 597         retval = ext2fs_create_journal_superblock(fs,
 598                                   ext2fs_blocks_count(fs->super), 0, &buf);
 599         if (retval) {
 600                 com_err("create_journal_dev", retval, "%s",
 601                         _("while initializing journal superblock"));
 602                 exit(1);
 603         }
 604
 605         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 606                 goto write_superblock;
 607
 608         ext2fs_numeric_progress_init(fs, &progress,
 609                                      _("Zeroing journal device: "),
 610                                      ext2fs_blocks_count(fs->super));
 611         blk = 0;
 612         count = ext2fs_blocks_count(fs->super);
 613         while (count > 0) {
 614                 if (count > 1024)
 615                         c = 1024;
 616                 else
 617                         c = count;
 618                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 619                 if (retval) {
 620                         com_err("create_journal_dev", retval,
 621                                 _("while zeroing journal device "
 622                                   "(block %llu, count %d)"),
 623                                 err_blk, err_count);
 624                         exit(1);
 625                 }
 626                 blk += c;
 627                 count -= c;
 628                 ext2fs_numeric_progress_update(fs, &progress, blk);
 629         }
 630
 631         ext2fs_numeric_progress_close(fs, &progress, NULL);
 632 write_superblock:
 633         retval = io_channel_write_blk64(fs->io,
 634                                         fs->super->s_first_data_block+1,
 635                                         1, 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 (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
 674                                        EXT4_FEATURE_RO_COMPAT_BIGALLOC))
 675                 printf(_("Cluster size=%u (log=%u)\n"),
 676                        fs->blocksize << fs->cluster_ratio_bits,
 677                        s->s_log_cluster_size);
 678         else
 679                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 680                        s->s_log_cluster_size);
 681         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 682                s->s_raid_stride, s->s_raid_stripe_width);
 683         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 684                ext2fs_blocks_count(s));
 685         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 686                 ext2fs_r_blocks_count(s),
 687                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 688         printf(_("First data block=%u\n"), s->s_first_data_block);
 689         if (root_uid != 0 || root_gid != 0)
 690                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 691         if (s->s_reserved_gdt_blocks)
 692                 printf(_("Maximum filesystem blocks=%lu\n"),
 693                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 694                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 695         if (fs->group_desc_count > 1)
 696                 printf(_("%u block groups\n"), fs->group_desc_count);
 697         else
 698                 printf(_("%u block group\n"), fs->group_desc_count);
 699         if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
 700                                        EXT4_FEATURE_RO_COMPAT_BIGALLOC))
 701                 printf(_("%u blocks per group, %u clusters per group\n"),
 702                        s->s_blocks_per_group, s->s_clusters_per_group);
 703         else
 704                 printf(_("%u blocks per group, %u fragments per group\n"),
 705                        s->s_blocks_per_group, s->s_clusters_per_group);
 706         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 707
 708 skip_details:
 709         if (fs->group_desc_count == 1) {
 710                 printf("\n");
 711                 return;
 712         }
 713
 714         if (!e2p_is_null_uuid(s->s_uuid))
 715                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 716         printf("%s", _("Superblock backups stored on blocks: "));
 717         group_block = s->s_first_data_block;
 718         col_left = 0;
 719         for (i = 1; i < fs->group_desc_count; i++) {
 720                 group_block += s->s_blocks_per_group;
 721                 if (!ext2fs_bg_has_super(fs, i))
 722                         continue;
 723                 if (i != 1)
 724                         printf(", ");
 725                 need = int_log10(group_block) + 2;
 726                 if (need > col_left) {
 727                         printf("\n\t");
 728                         col_left = 72;
 729                 }
 730                 col_left -= need;
 731                 printf("%llu", group_block);
 732         }
 733         printf("\n\n");
 734 }
 735
 736 /*
 737  * Returns true if making a file system for the Hurd, else 0
 738  */
 739 static int for_hurd(const char *os)
 740 {
 741         if (!os) {
 742 #ifdef __GNU__
 743                 return 1;
 744 #else
 745                 return 0;
 746 #endif
 747         }
 748         if (isdigit(*os))
 749                 return (atoi(os) == EXT2_OS_HURD);
 750         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 751 }
 752
 753 /*
 754  * Set the S_CREATOR_OS field.  Return true if OS is known,
 755  * otherwise, 0.
 756  */
 757 static int set_os(struct ext2_super_block *sb, char *os)
 758 {
 759         if (isdigit (*os))
 760                 sb->s_creator_os = atoi (os);
 761         else if (strcasecmp(os, "linux") == 0)
 762                 sb->s_creator_os = EXT2_OS_LINUX;
 763         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 764                 sb->s_creator_os = EXT2_OS_HURD;
 765         else if (strcasecmp(os, "freebsd") == 0)
 766                 sb->s_creator_os = EXT2_OS_FREEBSD;
 767         else if (strcasecmp(os, "lites") == 0)
 768                 sb->s_creator_os = EXT2_OS_LITES;
 769         else
 770                 return 0;
 771         return 1;
 772 }
 773
 774 #define PATH_SET "PATH=/sbin"
 775
 776 static void parse_extended_opts(struct ext2_super_block *param,
 777                                 const char *opts)
 778 {
 779         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 780         int     len;
 781         int     r_usage = 0;
 782
 783         len = strlen(opts);
 784         buf = malloc(len+1);
 785         if (!buf) {
 786                 fprintf(stderr, "%s",
 787                         _("Couldn't allocate memory to parse options!\n"));
 788                 exit(1);
 789         }
 790         strcpy(buf, opts);
 791         for (token = buf; token && *token; token = next) {
 792                 p = strchr(token, ',');
 793                 next = 0;
 794                 if (p) {
 795                         *p = 0;
 796                         next = p+1;
 797                 }
 798                 arg = strchr(token, '=');
 799                 if (arg) {
 800                         *arg = 0;
 801                         arg++;
 802                 }
 803                 if (strcmp(token, "desc-size") == 0 ||
 804                     strcmp(token, "desc_size") == 0) {
 805                         int desc_size;
 806
 807                         if (!(fs_param.s_feature_incompat &
 808                               EXT4_FEATURE_INCOMPAT_64BIT)) {
 809                                 fprintf(stderr,
 810                                         _("%s requires '-O 64bit'\n"), token);
 811                                 r_usage++;
 812                                 continue;
 813                         }
 814                         if (param->s_reserved_gdt_blocks != 0) {
 815                                 fprintf(stderr,
 816                                         _("'%s' must be before 'resize=%u'\n"),
 817                                         token, param->s_reserved_gdt_blocks);
 818                                 r_usage++;
 819                                 continue;
 820                         }
 821                         if (!arg) {
 822                                 r_usage++;
 823                                 badopt = token;
 824                                 continue;
 825                         }
 826                         desc_size = strtoul(arg, &p, 0);
 827                         if (*p || (desc_size & (desc_size - 1))) {
 828                                 fprintf(stderr,
 829                                         _("Invalid desc_size: '%s'\n"), arg);
 830                                 r_usage++;
 831                                 continue;
 832                         }
 833                         param->s_desc_size = desc_size;
 834                 } else if (strcmp(token, "offset") == 0) {
 835                         if (!arg) {
 836                                 r_usage++;
 837                                 badopt = token;
 838                                 continue;
 839                         }
 840                         offset = strtoull(arg, &p, 0);
 841                         if (*p) {
 842                                 fprintf(stderr, _("Invalid offset: %s\n"),
 843                                         arg);
 844                                 r_usage++;
 845                                 continue;
 846                         }
 847                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 848                         if (!arg) {
 849                                 r_usage++;
 850                                 badopt = token;
 851                                 continue;
 852                         }
 853                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 854                         if (*p) {
 855                                 fprintf(stderr,
 856                                         _("Invalid mmp_update_interval: %s\n"),
 857                                         arg);
 858                                 r_usage++;
 859                                 continue;
 860                         }
 861                 } else if (strcmp(token, "num_backup_sb") == 0) {
 862                         if (!arg) {
 863                                 r_usage++;
 864                                 badopt = token;
 865                                 continue;
 866                         }
 867                         num_backups = strtoul(arg, &p, 0);
 868                         if (*p || num_backups > 2) {
 869                                 fprintf(stderr,
 870                                         _("Invalid # of backup "
 871                                           "superblocks: %s\n"),
 872                                         arg);
 873                                 r_usage++;
 874                                 continue;
 875                         }
 876                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 877                         if (arg)
 878                                 packed_meta_blocks = strtoul(arg, &p, 0);
 879                         else
 880                                 packed_meta_blocks = 1;
 881                         if (packed_meta_blocks)
 882                                 journal_location = 0;
 883                 } else if (strcmp(token, "stride") == 0) {
 884                         if (!arg) {
 885                                 r_usage++;
 886                                 badopt = token;
 887                                 continue;
 888                         }
 889                         param->s_raid_stride = strtoul(arg, &p, 0);
 890                         if (*p) {
 891                                 fprintf(stderr,
 892                                         _("Invalid stride parameter: %s\n"),
 893                                         arg);
 894                                 r_usage++;
 895                                 continue;
 896                         }
 897                 } else if (strcmp(token, "stripe-width") == 0 ||
 898                            strcmp(token, "stripe_width") == 0) {
 899                         if (!arg) {
 900                                 r_usage++;
 901                                 badopt = token;
 902                                 continue;
 903                         }
 904                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 905                         if (*p) {
 906                                 fprintf(stderr,
 907                                         _("Invalid stripe-width parameter: %s\n"),
 908                                         arg);
 909                                 r_usage++;
 910                                 continue;
 911                         }
 912                 } else if (!strcmp(token, "resize")) {
 913                         blk64_t resize;
 914                         unsigned long bpg, rsv_groups;
 915                         unsigned long group_desc_count, desc_blocks;
 916                         unsigned int gdpb, blocksize;
 917                         int rsv_gdb;
 918
 919                         if (!arg) {
 920                                 r_usage++;
 921                                 badopt = token;
 922                                 continue;
 923                         }
 924
 925                         resize = parse_num_blocks2(arg,
 926                                                    param->s_log_block_size);
 927
 928                         if (resize == 0) {
 929                                 fprintf(stderr,
 930                                         _("Invalid resize parameter: %s\n"),
 931                                         arg);
 932                                 r_usage++;
 933                                 continue;
 934                         }
 935                         if (resize <= ext2fs_blocks_count(param)) {
 936                                 fprintf(stderr, "%s",
 937                                         _("The resize maximum must be greater "
 938                                           "than the filesystem size.\n"));
 939                                 r_usage++;
 940                                 continue;
 941                         }
 942
 943                         blocksize = EXT2_BLOCK_SIZE(param);
 944                         bpg = param->s_blocks_per_group;
 945                         if (!bpg)
 946                                 bpg = blocksize * 8;
 947                         gdpb = EXT2_DESC_PER_BLOCK(param);
 948                         group_desc_count = (__u32) ext2fs_div64_ceil(
 949                                 ext2fs_blocks_count(param), bpg);
 950                         desc_blocks = (group_desc_count +
 951                                        gdpb - 1) / gdpb;
 952                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 953                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 954                                 desc_blocks;
 955                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 956                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 957
 958                         if (rsv_gdb > 0) {
 959                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 960                                         fprintf(stderr, "%s",
 961         _("On-line resizing not supported with revision 0 filesystems\n"));
 962                                         free(buf);
 963                                         exit(1);
 964                                 }
 965                                 param->s_feature_compat |=
 966                                         EXT2_FEATURE_COMPAT_RESIZE_INODE;
 967
 968                                 param->s_reserved_gdt_blocks = rsv_gdb;
 969                         }
 970                 } else if (!strcmp(token, "test_fs")) {
 971                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 972                 } else if (!strcmp(token, "lazy_itable_init")) {
 973                         if (arg)
 974                                 lazy_itable_init = strtoul(arg, &p, 0);
 975                         else
 976                                 lazy_itable_init = 1;
 977                 } else if (!strcmp(token, "lazy_journal_init")) {
 978                         if (arg)
 979                                 journal_flags |= strtoul(arg, &p, 0) ?
 980                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
 981                         else
 982                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
 983                 } else if (!strcmp(token, "root_owner")) {
 984                         if (arg) {
 985                                 root_uid = strtoul(arg, &p, 0);
 986                                 if (*p != ':') {
 987                                         fprintf(stderr,
 988                                                 _("Invalid root_owner: '%s'\n"),
 989                                                 arg);
 990                                         r_usage++;
 991                                         continue;
 992                                 }
 993                                 p++;
 994                                 root_gid = strtoul(p, &p, 0);
 995                                 if (*p) {
 996                                         fprintf(stderr,
 997                                                 _("Invalid root_owner: '%s'\n"),
 998                                                 arg);
 999                                         r_usage++;
1000                                         continue;
1001                                 }
1002                         } else {
1003                                 root_uid = getuid();
1004                                 root_gid = getgid();
1005                         }
1006                 } else if (!strcmp(token, "discard")) {
1007                         discard = 1;
1008                 } else if (!strcmp(token, "nodiscard")) {
1009                         discard = 0;
1010                 } else if (!strcmp(token, "quotatype")) {
1011                         if (!arg) {
1012                                 r_usage++;
1013                                 badopt = token;
1014                                 continue;
1015                         }
1016                         if (!strncmp(arg, "usr", 3)) {
1017                                 quotatype = 0;
1018                         } else if (!strncmp(arg, "grp", 3)) {
1019                                 quotatype = 1;
1020                         } else {
1021                                 fprintf(stderr,
1022                                         _("Invalid quotatype parameter: %s\n"),
1023                                         arg);
1024                                 r_usage++;
1025                                 continue;
1026                         }
1027                 } else {
1028                         r_usage++;
1029                         badopt = token;
1030                 }
1031         }
1032         if (r_usage) {
1033                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1034                         "Extended options are separated by commas, "
1035                         "and may take an argument which\n"
1036                         "\tis set off by an equals ('=') sign.\n\n"
1037                         "Valid extended options are:\n"
1038                         "\tmmp_update_interval=<interval>\n"
1039                         "\tnum_backup_sb=<0|1|2>\n"
1040                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1041                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1042                         "\toffset=<offset to create the file system>\n"
1043                         "\tresize=<resize maximum size in blocks>\n"
1044                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1045                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1046                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1047                         "\troot_uid=<uid of root directory>\n"
1048                         "\troot_gid=<gid of root directory>\n"
1049                         "\ttest_fs\n"
1050                         "\tdiscard\n"
1051                         "\tnodiscard\n"
1052                         "\tquotatype=<usr OR grp>\n\n"),
1053                         badopt ? badopt : "");
1054                 free(buf);
1055                 exit(1);
1056         }
1057         if (param->s_raid_stride &&
1058             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1059                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1060                                   "multiple of stride %u.\n\n"),
1061                         param->s_raid_stripe_width, param->s_raid_stride);
1062
1063         free(buf);
1064 }
1065
1066 static __u32 ok_features[3] = {
1067         /* Compat */
1068         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1069                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1070                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1071                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1072                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1073         /* Incompat */
1074         EXT2_FEATURE_INCOMPAT_FILETYPE|
1075                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1076                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1077                 EXT2_FEATURE_INCOMPAT_META_BG|
1078                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1079                 EXT4_FEATURE_INCOMPAT_MMP |
1080                 EXT4_FEATURE_INCOMPAT_64BIT|
1081                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1082                 EXT4_FEATURE_INCOMPAT_ENCRYPT,
1083         /* R/O compat */
1084         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1085                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1086                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1087                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1088                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1089                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1090                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1091 #ifdef CONFIG_QUOTA
1092                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1093 #endif
1094                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
1095 };
1096
1097
1098 static void syntax_err_report(const char *filename, long err, int line_num)
1099 {
1100         fprintf(stderr,
1101                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1102                 filename, line_num, error_message(err));
1103         exit(1);
1104 }
1105
1106 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1107
1108 static void edit_feature(const char *str, __u32 *compat_array)
1109 {
1110         if (!str)
1111                 return;
1112
1113         if (e2p_edit_feature(str, compat_array, ok_features)) {
1114                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1115                         str);
1116                 exit(1);
1117         }
1118 }
1119
1120 static void edit_mntopts(const char *str, __u32 *mntopts)
1121 {
1122         if (!str)
1123                 return;
1124
1125         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1126                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1127                         str);
1128                 exit(1);
1129         }
1130 }
1131
1132 struct str_list {
1133         char **list;
1134         int num;
1135         int max;
1136 };
1137
1138 static errcode_t init_list(struct str_list *sl)
1139 {
1140         sl->num = 0;
1141         sl->max = 0;
1142         sl->list = malloc((sl->max+1) * sizeof(char *));
1143         if (!sl->list)
1144                 return ENOMEM;
1145         sl->list[0] = 0;
1146         return 0;
1147 }
1148
1149 static errcode_t push_string(struct str_list *sl, const char *str)
1150 {
1151         char **new_list;
1152
1153         if (sl->num >= sl->max) {
1154                 sl->max += 2;
1155                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1156                 if (!new_list)
1157                         return ENOMEM;
1158                 sl->list = new_list;
1159         }
1160         sl->list[sl->num] = malloc(strlen(str)+1);
1161         if (sl->list[sl->num] == 0)
1162                 return ENOMEM;
1163         strcpy(sl->list[sl->num], str);
1164         sl->num++;
1165         sl->list[sl->num] = 0;
1166         return 0;
1167 }
1168
1169 static void print_str_list(char **list)
1170 {
1171         char **cpp;
1172
1173         for (cpp = list; *cpp; cpp++) {
1174                 printf("'%s'", *cpp);
1175                 if (cpp[1])
1176                         fputs(", ", stdout);
1177         }
1178         fputc('\n', stdout);
1179 }
1180
1181 /*
1182  * Return TRUE if the profile has the given subsection
1183  */
1184 static int profile_has_subsection(profile_t prof, const char *section,
1185                                   const char *subsection)
1186 {
1187         void                    *state;
1188         const char              *names[4];
1189         char                    *name;
1190         int                     ret = 0;
1191
1192         names[0] = section;
1193         names[1] = subsection;
1194         names[2] = 0;
1195
1196         if (profile_iterator_create(prof, names,
1197                                     PROFILE_ITER_LIST_SECTION |
1198                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1199                 return 0;
1200
1201         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1202                 free(name);
1203                 ret = 1;
1204         }
1205
1206         profile_iterator_free(&state);
1207         return ret;
1208 }
1209
1210 static char **parse_fs_type(const char *fs_type,
1211                             const char *usage_types,
1212                             struct ext2_super_block *sb,
1213                             blk64_t fs_blocks_count,
1214                             char *progname)
1215 {
1216         const char      *ext_type = 0;
1217         char            *parse_str;
1218         char            *profile_type = 0;
1219         char            *cp, *t;
1220         const char      *size_type;
1221         struct str_list list;
1222         unsigned long long meg;
1223         int             is_hurd = for_hurd(creator_os);
1224
1225         if (init_list(&list))
1226                 return 0;
1227
1228         if (fs_type)
1229                 ext_type = fs_type;
1230         else if (is_hurd)
1231                 ext_type = "ext2";
1232         else if (!strcmp(program_name, "mke3fs"))
1233                 ext_type = "ext3";
1234         else if (!strcmp(program_name, "mke4fs"))
1235                 ext_type = "ext4";
1236         else if (progname) {
1237                 ext_type = strrchr(progname, '/');
1238                 if (ext_type)
1239                         ext_type++;
1240                 else
1241                         ext_type = progname;
1242
1243                 if (!strncmp(ext_type, "mkfs.", 5)) {
1244                         ext_type += 5;
1245                         if (ext_type[0] == 0)
1246                                 ext_type = 0;
1247                 } else
1248                         ext_type = 0;
1249         }
1250
1251         if (!ext_type) {
1252                 profile_get_string(profile, "defaults", "fs_type", 0,
1253                                    "ext2", &profile_type);
1254                 ext_type = profile_type;
1255                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1256                         ext_type = "ext3";
1257         }
1258
1259
1260         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1261             strcmp(ext_type, "ext2")) {
1262                 printf(_("\nYour mke2fs.conf file does not define the "
1263                          "%s filesystem type.\n"), ext_type);
1264                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1265                     !strcmp(ext_type, "ext4dev")) {
1266                         printf("%s", _("You probably need to install an "
1267                                        "updated mke2fs.conf file.\n\n"));
1268                 }
1269                 if (!force) {
1270                         printf("%s", _("Aborting...\n"));
1271                         exit(1);
1272                 }
1273         }
1274
1275         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1276         if (fs_blocks_count < 3 * meg)
1277                 size_type = "floppy";
1278         else if (fs_blocks_count < 512 * meg)
1279                 size_type = "small";
1280         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1281                 size_type = "default";
1282         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1283                 size_type = "big";
1284         else
1285                 size_type = "huge";
1286
1287         if (!usage_types)
1288                 usage_types = size_type;
1289
1290         parse_str = malloc(strlen(usage_types)+1);
1291         if (!parse_str) {
1292                 free(profile_type);
1293                 free(list.list);
1294                 return 0;
1295         }
1296         strcpy(parse_str, usage_types);
1297
1298         if (ext_type)
1299                 push_string(&list, ext_type);
1300         cp = parse_str;
1301         while (1) {
1302                 t = strchr(cp, ',');
1303                 if (t)
1304                         *t = '\0';
1305
1306                 if (*cp) {
1307                         if (profile_has_subsection(profile, "fs_types", cp))
1308                                 push_string(&list, cp);
1309                         else if (strcmp(cp, "default") != 0)
1310                                 fprintf(stderr,
1311                                         _("\nWarning: the fs_type %s is not "
1312                                           "defined in mke2fs.conf\n\n"),
1313                                         cp);
1314                 }
1315                 if (t)
1316                         cp = t+1;
1317                 else
1318                         break;
1319         }
1320         free(parse_str);
1321         free(profile_type);
1322         if (is_hurd)
1323                 push_string(&list, "hurd");
1324         return (list.list);
1325 }
1326
1327 char *get_string_from_profile(char **types, const char *opt,
1328                                      const char *def_val)
1329 {
1330         char *ret = 0;
1331         int i;
1332
1333         for (i=0; types[i]; i++);
1334         for (i-=1; i >=0 ; i--) {
1335                 profile_get_string(profile, "fs_types", types[i],
1336                                    opt, 0, &ret);
1337                 if (ret)
1338                         return ret;
1339         }
1340         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1341         return (ret);
1342 }
1343
1344 int get_int_from_profile(char **types, const char *opt, int def_val)
1345 {
1346         int ret;
1347         char **cpp;
1348
1349         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1350         for (cpp = types; *cpp; cpp++)
1351                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1352         return ret;
1353 }
1354
1355 static unsigned int get_uint_from_profile(char **types, const char *opt,
1356                                         unsigned int def_val)
1357 {
1358         unsigned int ret;
1359         char **cpp;
1360
1361         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1362         for (cpp = types; *cpp; cpp++)
1363                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1364         return ret;
1365 }
1366
1367 static double get_double_from_profile(char **types, const char *opt,
1368                                       double def_val)
1369 {
1370         double ret;
1371         char **cpp;
1372
1373         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1374         for (cpp = types; *cpp; cpp++)
1375                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1376         return ret;
1377 }
1378
1379 int get_bool_from_profile(char **types, const char *opt, int def_val)
1380 {
1381         int ret;
1382         char **cpp;
1383
1384         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1385         for (cpp = types; *cpp; cpp++)
1386                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1387         return ret;
1388 }
1389
1390 extern const char *mke2fs_default_profile;
1391 static const char *default_files[] = { "<default>", 0 };
1392
1393 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1394 /*
1395  * Sets the geometry of a device (stripe/stride), and returns the
1396  * device's alignment offset, if any, or a negative error.
1397  */
1398 static int get_device_geometry(const char *file,
1399                                struct ext2_super_block *fs_param,
1400                                int psector_size)
1401 {
1402         int rc = -1;
1403         int blocksize;
1404         blkid_probe pr;
1405         blkid_topology tp;
1406         unsigned long min_io;
1407         unsigned long opt_io;
1408         struct stat statbuf;
1409
1410         /* Nothing to do for a regular file */
1411         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1412                 return 0;
1413
1414         pr = blkid_new_probe_from_filename(file);
1415         if (!pr)
1416                 goto out;
1417
1418         tp = blkid_probe_get_topology(pr);
1419         if (!tp)
1420                 goto out;
1421
1422         min_io = blkid_topology_get_minimum_io_size(tp);
1423         opt_io = blkid_topology_get_optimal_io_size(tp);
1424         blocksize = EXT2_BLOCK_SIZE(fs_param);
1425         if ((min_io == 0) && (psector_size > blocksize))
1426                 min_io = psector_size;
1427         if ((opt_io == 0) && min_io)
1428                 opt_io = min_io;
1429         if ((opt_io == 0) && (psector_size > blocksize))
1430                 opt_io = psector_size;
1431
1432         /* setting stripe/stride to blocksize is pointless */
1433         if (min_io > blocksize)
1434                 fs_param->s_raid_stride = min_io / blocksize;
1435         if (opt_io > blocksize)
1436                 fs_param->s_raid_stripe_width = opt_io / blocksize;
1437
1438         rc = blkid_topology_get_alignment_offset(tp);
1439 out:
1440         blkid_free_probe(pr);
1441         return rc;
1442 }
1443 #endif
1444
1445 static void PRS(int argc, char *argv[])
1446 {
1447         int             b, c, flags;
1448         int             cluster_size = 0;
1449         char            *tmp, **cpp;
1450         int             blocksize = 0;
1451         int             inode_ratio = 0;
1452         int             inode_size = 0;
1453         unsigned long   flex_bg_size = 0;
1454         double          reserved_ratio = -1.0;
1455         int             lsector_size = 0, psector_size = 0;
1456         int             show_version_only = 0, is_device = 0;
1457         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1458         errcode_t       retval;
1459         char *          oldpath = getenv("PATH");
1460         char *          extended_opts = 0;
1461         char *          fs_type = 0;
1462         char *          usage_types = 0;
1463         /*
1464          * NOTE: A few words about fs_blocks_count and blocksize:
1465          *
1466          * Initially, blocksize is set to zero, which implies 1024.
1467          * If -b is specified, blocksize is updated to the user's value.
1468          *
1469          * Next, the device size or the user's "blocks" command line argument
1470          * is used to set fs_blocks_count; the units are blocksize.
1471          *
1472          * Later, if blocksize hasn't been set and the profile specifies a
1473          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1474          * appropriately.  Note the change in units!
1475          *
1476          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1477          */
1478         blk64_t         fs_blocks_count = 0;
1479         long            sysval;
1480         int             s_opt = -1, r_opt = -1;
1481         char            *fs_features = 0;
1482         int             use_bsize;
1483         char            *newpath;
1484         int             pathlen = sizeof(PATH_SET) + 1;
1485
1486         if (oldpath)
1487                 pathlen += strlen(oldpath);
1488         newpath = malloc(pathlen);
1489         if (!newpath) {
1490                 fprintf(stderr, "%s",
1491                         _("Couldn't allocate memory for new PATH.\n"));
1492                 exit(1);
1493         }
1494         strcpy(newpath, PATH_SET);
1495
1496         /* Update our PATH to include /sbin  */
1497         if (oldpath) {
1498                 strcat (newpath, ":");
1499                 strcat (newpath, oldpath);
1500         }
1501         putenv (newpath);
1502
1503         tmp = getenv("MKE2FS_SYNC");
1504         if (tmp)
1505                 sync_kludge = atoi(tmp);
1506
1507         /* Determine the system page size if possible */
1508 #ifdef HAVE_SYSCONF
1509 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1510 #define _SC_PAGESIZE _SC_PAGE_SIZE
1511 #endif
1512 #ifdef _SC_PAGESIZE
1513         sysval = sysconf(_SC_PAGESIZE);
1514         if (sysval > 0)
1515                 sys_page_size = sysval;
1516 #endif /* _SC_PAGESIZE */
1517 #endif /* HAVE_SYSCONF */
1518
1519         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1520                 config_fn[0] = tmp;
1521         profile_set_syntax_err_cb(syntax_err_report);
1522         retval = profile_init(config_fn, &profile);
1523         if (retval == ENOENT) {
1524                 retval = profile_init(default_files, &profile);
1525                 if (retval)
1526                         goto profile_error;
1527                 retval = profile_set_default(profile, mke2fs_default_profile);
1528                 if (retval)
1529                         goto profile_error;
1530         } else if (retval) {
1531 profile_error:
1532                 fprintf(stderr, _("Couldn't init profile successfully"
1533                                   " (error: %ld).\n"), retval);
1534                 exit(1);
1535         }
1536
1537         setbuf(stdout, NULL);
1538         setbuf(stderr, NULL);
1539         add_error_table(&et_ext2_error_table);
1540         add_error_table(&et_prof_error_table);
1541         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1542         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1543
1544         if (is_before_linux_ver(2, 2, 0))
1545                 fs_param.s_rev_level = 0;
1546
1547         if (argc && *argv) {
1548                 program_name = get_progname(*argv);
1549
1550                 /* If called as mkfs.ext3, create a journal inode */
1551                 if (!strcmp(program_name, "mkfs.ext3") ||
1552                     !strcmp(program_name, "mke3fs"))
1553                         journal_size = -1;
1554         }
1555
1556         while ((c = getopt (argc, argv,
1557                     "b:ce:g:i:jl:m:no:qr:s:t:d:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:Vz:")) != EOF) {
1558                 switch (c) {
1559                 case 'b':
1560                         blocksize = parse_num_blocks2(optarg, -1);
1561                         b = (blocksize > 0) ? blocksize : -blocksize;
1562                         if (b < EXT2_MIN_BLOCK_SIZE ||
1563                             b > EXT2_MAX_BLOCK_SIZE) {
1564                                 com_err(program_name, 0,
1565                                         _("invalid block size - %s"), optarg);
1566                                 exit(1);
1567                         }
1568                         if (blocksize > 4096)
1569                                 fprintf(stderr, _("Warning: blocksize %d not "
1570                                                   "usable on most systems.\n"),
1571                                         blocksize);
1572                         if (blocksize > 0)
1573                                 fs_param.s_log_block_size =
1574                                         int_log2(blocksize >>
1575                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1576                         break;
1577                 case 'c':       /* Check for bad blocks */
1578                         cflag++;
1579                         break;
1580                 case 'C':
1581                         cluster_size = parse_num_blocks2(optarg, -1);
1582                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1583                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1584                                 com_err(program_name, 0,
1585                                         _("invalid cluster size - %s"),
1586                                         optarg);
1587                                 exit(1);
1588                         }
1589                         break;
1590                 case 'D':
1591                         direct_io = 1;
1592                         break;
1593                 case 'R':
1594                         com_err(program_name, 0, "%s",
1595                                 _("'-R' is deprecated, use '-E' instead"));
1596                         /* fallthrough */
1597                 case 'E':
1598                         extended_opts = optarg;
1599                         break;
1600                 case 'e':
1601                         if (strcmp(optarg, "continue") == 0)
1602                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1603                         else if (strcmp(optarg, "remount-ro") == 0)
1604                                 errors_behavior = EXT2_ERRORS_RO;
1605                         else if (strcmp(optarg, "panic") == 0)
1606                                 errors_behavior = EXT2_ERRORS_PANIC;
1607                         else {
1608                                 com_err(program_name, 0,
1609                                         _("bad error behavior - %s"),
1610                                         optarg);
1611                                 usage();
1612                         }
1613                         break;
1614                 case 'F':
1615                         force++;
1616                         break;
1617                 case 'g':
1618                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1619                         if (*tmp) {
1620                                 com_err(program_name, 0, "%s",
1621                                 _("Illegal number for blocks per group"));
1622                                 exit(1);
1623                         }
1624                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1625                                 com_err(program_name, 0, "%s",
1626                                 _("blocks per group must be multiple of 8"));
1627                                 exit(1);
1628                         }
1629                         break;
1630                 case 'G':
1631                         flex_bg_size = strtoul(optarg, &tmp, 0);
1632                         if (*tmp) {
1633                                 com_err(program_name, 0, "%s",
1634                                         _("Illegal number for flex_bg size"));
1635                                 exit(1);
1636                         }
1637                         if (flex_bg_size < 1 ||
1638                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1639                                 com_err(program_name, 0, "%s",
1640                                         _("flex_bg size must be a power of 2"));
1641                                 exit(1);
1642                         }
1643                         if (flex_bg_size > MAX_32_NUM) {
1644                                 com_err(program_name, 0,
1645                                 _("flex_bg size (%lu) must be less than"
1646                                 " or equal to 2^31"), flex_bg_size);
1647                                 exit(1);
1648                         }
1649                         break;
1650                 case 'i':
1651                         inode_ratio = strtoul(optarg, &tmp, 0);
1652                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1653                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
1654                             *tmp) {
1655                                 com_err(program_name, 0,
1656                                         _("invalid inode ratio %s (min %d/max %d)"),
1657                                         optarg, EXT2_MIN_BLOCK_SIZE,
1658                                         EXT2_MAX_BLOCK_SIZE * 1024);
1659                                 exit(1);
1660                         }
1661                         break;
1662                 case 'I':
1663                         inode_size = strtoul(optarg, &tmp, 0);
1664                         if (*tmp) {
1665                                 com_err(program_name, 0,
1666                                         _("invalid inode size - %s"), optarg);
1667                                 exit(1);
1668                         }
1669                         break;
1670                 case 'j':
1671                         if (!journal_size)
1672                                 journal_size = -1;
1673                         break;
1674                 case 'J':
1675                         parse_journal_opts(optarg);
1676                         break;
1677                 case 'K':
1678                         fprintf(stderr, "%s",
1679                                 _("Warning: -K option is deprecated and "
1680                                   "should not be used anymore. Use "
1681                                   "\'-E nodiscard\' extended option "
1682                                   "instead!\n"));
1683                         discard = 0;
1684                         break;
1685                 case 'l':
1686                         bad_blocks_filename = realloc(bad_blocks_filename,
1687                                                       strlen(optarg) + 1);
1688                         if (!bad_blocks_filename) {
1689                                 com_err(program_name, ENOMEM, "%s",
1690                                         _("in malloc for bad_blocks_filename"));
1691                                 exit(1);
1692                         }
1693                         strcpy(bad_blocks_filename, optarg);
1694                         break;
1695                 case 'L':
1696                         volume_label = optarg;
1697                         break;
1698                 case 'm':
1699                         reserved_ratio = strtod(optarg, &tmp);
1700                         if ( *tmp || reserved_ratio > 50 ||
1701                              reserved_ratio < 0) {
1702                                 com_err(program_name, 0,
1703                                         _("invalid reserved blocks percent - %s"),
1704                                         optarg);
1705                                 exit(1);
1706                         }
1707                         break;
1708                 case 'M':
1709                         mount_dir = optarg;
1710                         break;
1711                 case 'n':
1712                         noaction++;
1713                         break;
1714                 case 'N':
1715                         num_inodes = strtoul(optarg, &tmp, 0);
1716                         if (*tmp) {
1717                                 com_err(program_name, 0,
1718                                         _("bad num inodes - %s"), optarg);
1719                                         exit(1);
1720                         }
1721                         break;
1722                 case 'o':
1723                         creator_os = optarg;
1724                         break;
1725                 case 'O':
1726                         fs_features = optarg;
1727                         break;
1728                 case 'q':
1729                         quiet = 1;
1730                         break;
1731                 case 'r':
1732                         r_opt = strtoul(optarg, &tmp, 0);
1733                         if (*tmp) {
1734                                 com_err(program_name, 0,
1735                                         _("bad revision level - %s"), optarg);
1736                                 exit(1);
1737                         }
1738                         if (r_opt > EXT2_MAX_SUPP_REV) {
1739                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1740                                         _("while trying to create revision %d"), r_opt);
1741                                 exit(1);
1742                         }
1743                         fs_param.s_rev_level = r_opt;
1744                         break;
1745                 case 's':       /* deprecated */
1746                         s_opt = atoi(optarg);
1747                         break;
1748                 case 'S':
1749                         super_only = 1;
1750                         break;
1751                 case 't':
1752                         if (fs_type) {
1753                                 com_err(program_name, 0, "%s",
1754                                     _("The -t option may only be used once"));
1755                                 exit(1);
1756                         }
1757                         fs_type = strdup(optarg);
1758                         break;
1759                 case 'T':
1760                         if (usage_types) {
1761                                 com_err(program_name, 0, "%s",
1762                                     _("The -T option may only be used once"));
1763                                 exit(1);
1764                         }
1765                         usage_types = strdup(optarg);
1766                         break;
1767                 case 'U':
1768                         fs_uuid = optarg;
1769                         break;
1770                 case 'd':
1771                         root_dir = optarg;
1772                         break;
1773                 case 'v':
1774                         verbose = 1;
1775                         break;
1776                 case 'V':
1777                         /* Print version number and exit */
1778                         show_version_only++;
1779                         break;
1780                 case 'z':
1781                         undo_file = optarg;
1782                         break;
1783                 default:
1784                         usage();
1785                 }
1786         }
1787         if ((optind == argc) && !show_version_only)
1788                 usage();
1789         device_name = argv[optind++];
1790
1791         if (!quiet || show_version_only)
1792                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1793                          E2FSPROGS_DATE);
1794
1795         if (show_version_only) {
1796                 fprintf(stderr, _("\tUsing %s\n"),
1797                         error_message(EXT2_ET_BASE));
1798                 exit(0);
1799         }
1800
1801         /*
1802          * If there's no blocksize specified and there is a journal
1803          * device, use it to figure out the blocksize
1804          */
1805         if (blocksize <= 0 && journal_device) {
1806                 ext2_filsys     jfs;
1807                 io_manager      io_ptr;
1808
1809 #ifdef CONFIG_TESTIO_DEBUG
1810                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1811                         io_ptr = test_io_manager;
1812                         test_io_backing_manager = unix_io_manager;
1813                 } else
1814 #endif
1815                         io_ptr = unix_io_manager;
1816                 retval = ext2fs_open(journal_device,
1817                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1818                                      0, io_ptr, &jfs);
1819                 if (retval) {
1820                         com_err(program_name, retval,
1821                                 _("while trying to open journal device %s\n"),
1822                                 journal_device);
1823                         exit(1);
1824                 }
1825                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1826                         com_err(program_name, 0,
1827                                 _("Journal dev blocksize (%d) smaller than "
1828                                   "minimum blocksize %d\n"), jfs->blocksize,
1829                                 -blocksize);
1830                         exit(1);
1831                 }
1832                 blocksize = jfs->blocksize;
1833                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1834                 fs_param.s_log_block_size =
1835                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1836                 ext2fs_close_free(&jfs);
1837         }
1838
1839         if (optind < argc) {
1840                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1841                                                    fs_param.s_log_block_size);
1842                 if (!fs_blocks_count) {
1843                         com_err(program_name, 0,
1844                                 _("invalid blocks '%s' on device '%s'"),
1845                                 argv[optind - 1], device_name);
1846                         exit(1);
1847                 }
1848         }
1849         if (optind < argc)
1850                 usage();
1851
1852         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1853                             &proceed_delay);
1854
1855         /* The isatty() test is so we don't break existing scripts */
1856         flags = CREATE_FILE;
1857         if (isatty(0) && isatty(1))
1858                 flags |= CHECK_FS_EXIST;
1859         if (!quiet)
1860                 flags |= VERBOSE_CREATE;
1861         if (fs_blocks_count == 0)
1862                 flags |= NO_SIZE;
1863         if (!check_plausibility(device_name, flags, &is_device) && !force)
1864                 proceed_question(proceed_delay);
1865
1866         check_mount(device_name, force, _("filesystem"));
1867
1868         /* Determine the size of the device (if possible) */
1869         if (noaction && fs_blocks_count) {
1870                 dev_size = fs_blocks_count;
1871                 retval = 0;
1872         } else
1873                 retval = ext2fs_get_device_size2(device_name,
1874                                                  EXT2_BLOCK_SIZE(&fs_param),
1875                                                  &dev_size);
1876
1877         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1878                 com_err(program_name, retval, "%s",
1879                         _("while trying to determine filesystem size"));
1880                 exit(1);
1881         }
1882         if (!fs_blocks_count) {
1883                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1884                         com_err(program_name, 0, "%s",
1885                                 _("Couldn't determine device size; you "
1886                                 "must specify\nthe size of the "
1887                                 "filesystem\n"));
1888                         exit(1);
1889                 } else {
1890                         if (dev_size == 0) {
1891                                 com_err(program_name, 0, "%s",
1892                                 _("Device size reported to be zero.  "
1893                                   "Invalid partition specified, or\n\t"
1894                                   "partition table wasn't reread "
1895                                   "after running fdisk, due to\n\t"
1896                                   "a modified partition being busy "
1897                                   "and in use.  You may need to reboot\n\t"
1898                                   "to re-read your partition table.\n"
1899                                   ));
1900                                 exit(1);
1901                         }
1902                         fs_blocks_count = dev_size;
1903                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1904                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1905                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1906                 }
1907         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1908                 com_err(program_name, 0, "%s",
1909                         _("Filesystem larger than apparent device size."));
1910                 proceed_question(proceed_delay);
1911         }
1912
1913         if (!fs_type)
1914                 profile_get_string(profile, "devices", device_name,
1915                                    "fs_type", 0, &fs_type);
1916         if (!usage_types)
1917                 profile_get_string(profile, "devices", device_name,
1918                                    "usage_types", 0, &usage_types);
1919
1920         /*
1921          * We have the file system (or device) size, so we can now
1922          * determine the appropriate file system types so the fs can
1923          * be appropriately configured.
1924          */
1925         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1926                                  fs_blocks_count ? fs_blocks_count : dev_size,
1927                                  argv[0]);
1928         if (!fs_types) {
1929                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1930                 exit(1);
1931         }
1932
1933         /* Figure out what features should be enabled */
1934
1935         tmp = NULL;
1936         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1937                 tmp = get_string_from_profile(fs_types, "base_features",
1938                       "sparse_super,large_file,filetype,resize_inode,dir_index");
1939                 edit_feature(tmp, &fs_param.s_feature_compat);
1940                 free(tmp);
1941
1942                 /* And which mount options as well */
1943                 tmp = get_string_from_profile(fs_types, "default_mntopts",
1944                                               "acl,user_xattr");
1945                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
1946                 if (tmp)
1947                         free(tmp);
1948
1949                 for (cpp = fs_types; *cpp; cpp++) {
1950                         tmp = NULL;
1951                         profile_get_string(profile, "fs_types", *cpp,
1952                                            "features", "", &tmp);
1953                         if (tmp && *tmp)
1954                                 edit_feature(tmp, &fs_param.s_feature_compat);
1955                         if (tmp)
1956                                 free(tmp);
1957                 }
1958                 tmp = get_string_from_profile(fs_types, "default_features",
1959                                               "");
1960         }
1961         /* Mask off features which aren't supported by the Hurd */
1962         if (for_hurd(creator_os)) {
1963                 fs_param.s_feature_incompat &= ~EXT2_FEATURE_INCOMPAT_FILETYPE;
1964                 fs_param.s_feature_ro_compat &=
1965                         ~(EXT4_FEATURE_RO_COMPAT_HUGE_FILE |
1966                           EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
1967         }
1968         edit_feature(fs_features ? fs_features : tmp,
1969                      &fs_param.s_feature_compat);
1970         if (tmp)
1971                 free(tmp);
1972         /*
1973          * If the user specified features incompatible with the Hurd, complain
1974          */
1975         if (for_hurd(creator_os)) {
1976                 if (fs_param.s_feature_incompat &
1977                     EXT2_FEATURE_INCOMPAT_FILETYPE) {
1978                         fprintf(stderr, "%s", _("The HURD does not support the "
1979                                                 "filetype feature.\n"));
1980                         exit(1);
1981                 }
1982                 if (fs_param.s_feature_ro_compat &
1983                     EXT4_FEATURE_RO_COMPAT_HUGE_FILE) {
1984                         fprintf(stderr, "%s", _("The HURD does not support the "
1985                                                 "huge_file feature.\n"));
1986                         exit(1);
1987                 }
1988                 if (fs_param.s_feature_ro_compat &
1989                     EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) {
1990                         fprintf(stderr, "%s", _("The HURD does not support the "
1991                                                 "metadata_csum feature.\n"));
1992                         exit(1);
1993                 }
1994         }
1995
1996         /* Get the hardware sector sizes, if available */
1997         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
1998         if (retval) {
1999                 com_err(program_name, retval, "%s",
2000                         _("while trying to determine hardware sector size"));
2001                 exit(1);
2002         }
2003         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2004         if (retval) {
2005                 com_err(program_name, retval, "%s",
2006                         _("while trying to determine physical sector size"));
2007                 exit(1);
2008         }
2009
2010         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2011         if (tmp != NULL)
2012                 lsector_size = atoi(tmp);
2013         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2014         if (tmp != NULL)
2015                 psector_size = atoi(tmp);
2016
2017         /* Older kernels may not have physical/logical distinction */
2018         if (!psector_size)
2019                 psector_size = lsector_size;
2020
2021         if (blocksize <= 0) {
2022                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2023
2024                 if (use_bsize == -1) {
2025                         use_bsize = sys_page_size;
2026                         if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2027                                 use_bsize = 4096;
2028                 }
2029                 if (lsector_size && use_bsize < lsector_size)
2030                         use_bsize = lsector_size;
2031                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2032                         use_bsize = -blocksize;
2033                 blocksize = use_bsize;
2034                 fs_blocks_count /= (blocksize / 1024);
2035         } else {
2036                 if (blocksize < lsector_size) {                 /* Impossible */
2037                         com_err(program_name, EINVAL, "%s",
2038                                 _("while setting blocksize; too small "
2039                                   "for device\n"));
2040                         exit(1);
2041                 } else if ((blocksize < psector_size) &&
2042                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2043                         fprintf(stderr, _("Warning: specified blocksize %d is "
2044                                 "less than device physical sectorsize %d\n"),
2045                                 blocksize, psector_size);
2046                 }
2047         }
2048
2049         fs_param.s_log_block_size =
2050                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2051
2052         /*
2053          * We now need to do a sanity check of fs_blocks_count for
2054          * 32-bit vs 64-bit block number support.
2055          */
2056         if ((fs_blocks_count > MAX_32_NUM) &&
2057             (fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT))
2058                 fs_param.s_feature_compat &= ~EXT2_FEATURE_COMPAT_RESIZE_INODE;
2059         if ((fs_blocks_count > MAX_32_NUM) &&
2060             !(fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) &&
2061             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2062                 fs_param.s_feature_incompat |= EXT4_FEATURE_INCOMPAT_64BIT;
2063                 fs_param.s_feature_compat &= ~EXT2_FEATURE_COMPAT_RESIZE_INODE;
2064         }
2065         if ((fs_blocks_count > MAX_32_NUM) &&
2066             !(fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT)) {
2067                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2068                                   "too big to be expressed\n\t"
2069                                   "in 32 bits using a blocksize of %d.\n"),
2070                         program_name, fs_blocks_count, device_name,
2071                         EXT2_BLOCK_SIZE(&fs_param));
2072                 exit(1);
2073         }
2074
2075         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2076
2077         if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
2078                 fs_types[0] = strdup("journal");
2079                 fs_types[1] = 0;
2080         }
2081
2082         if (verbose) {
2083                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2084                 print_str_list(fs_types);
2085         }
2086
2087         if (r_opt == EXT2_GOOD_OLD_REV &&
2088             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2089              fs_param.s_feature_ro_compat)) {
2090                 fprintf(stderr, "%s", _("Filesystem features not supported "
2091                                         "with revision 0 filesystems\n"));
2092                 exit(1);
2093         }
2094
2095         if (s_opt > 0) {
2096                 if (r_opt == EXT2_GOOD_OLD_REV) {
2097                         fprintf(stderr, "%s",
2098                                 _("Sparse superblocks not supported "
2099                                   "with revision 0 filesystems\n"));
2100                         exit(1);
2101                 }
2102                 fs_param.s_feature_ro_compat |=
2103                         EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
2104         } else if (s_opt == 0)
2105                 fs_param.s_feature_ro_compat &=
2106                         ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
2107
2108         if (journal_size != 0) {
2109                 if (r_opt == EXT2_GOOD_OLD_REV) {
2110                         fprintf(stderr, "%s", _("Journals not supported with "
2111                                                 "revision 0 filesystems\n"));
2112                         exit(1);
2113                 }
2114                 fs_param.s_feature_compat |=
2115                         EXT3_FEATURE_COMPAT_HAS_JOURNAL;
2116         }
2117
2118         /* Get reserved_ratio from profile if not specified on cmd line. */
2119         if (reserved_ratio < 0.0) {
2120                 reserved_ratio = get_double_from_profile(
2121                                         fs_types, "reserved_ratio", 5.0);
2122                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2123                         com_err(program_name, 0,
2124                                 _("invalid reserved blocks percent - %lf"),
2125                                 reserved_ratio);
2126                         exit(1);
2127                 }
2128         }
2129
2130         if (fs_param.s_feature_incompat &
2131             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
2132                 reserved_ratio = 0;
2133                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2134                 fs_param.s_feature_compat = 0;
2135                 fs_param.s_feature_ro_compat &=
2136                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2137         }
2138
2139         /* Check the user's mkfs options for 64bit */
2140         if ((fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) &&
2141             !(fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS)) {
2142                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2143                                "filesystem.  Pass -O extents to rectify.\n"));
2144                 exit(1);
2145         }
2146
2147         /* Set first meta blockgroup via an environment variable */
2148         /* (this is mostly for debugging purposes) */
2149         if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
2150             ((tmp = getenv("MKE2FS_FIRST_META_BG"))))
2151                 fs_param.s_first_meta_bg = atoi(tmp);
2152         if (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) {
2153                 if (!cluster_size)
2154                         cluster_size = get_int_from_profile(fs_types,
2155                                                             "cluster_size",
2156                                                             blocksize*16);
2157                 fs_param.s_log_cluster_size =
2158                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2159                 if (fs_param.s_log_cluster_size &&
2160                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2161                         com_err(program_name, 0, "%s",
2162                                 _("The cluster size may not be "
2163                                   "smaller than the block size.\n"));
2164                         exit(1);
2165                 }
2166         } else if (cluster_size) {
2167                 com_err(program_name, 0, "%s",
2168                         _("specifying a cluster size requires the "
2169                           "bigalloc feature"));
2170                 exit(1);
2171         } else
2172                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2173
2174         if (inode_ratio == 0) {
2175                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2176                                                    8192);
2177                 if (inode_ratio < blocksize)
2178                         inode_ratio = blocksize;
2179                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2180                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2181         }
2182
2183 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2184         retval = get_device_geometry(device_name, &fs_param, psector_size);
2185         if (retval < 0) {
2186                 fprintf(stderr,
2187                         _("warning: Unable to get device geometry for %s\n"),
2188                         device_name);
2189         } else if (retval) {
2190                 printf(_("%s alignment is offset by %lu bytes.\n"),
2191                        device_name, retval);
2192                 printf(_("This may result in very poor performance, "
2193                           "(re)-partitioning suggested.\n"));
2194         }
2195 #endif
2196
2197         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2198
2199         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2200
2201         /*
2202          * Initialize s_desc_size so that the parse_extended_opts()
2203          * can correctly handle "-E resize=NNN" if the 64-bit option
2204          * is set.
2205          */
2206         if (fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT)
2207                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2208
2209         /* This check should happen beyond the last assignment to blocksize */
2210         if (blocksize > sys_page_size) {
2211                 if (!force) {
2212                         com_err(program_name, 0,
2213                                 _("%d-byte blocks too big for system (max %d)"),
2214                                 blocksize, sys_page_size);
2215                         proceed_question(proceed_delay);
2216                 }
2217                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2218                                   "(max %d), forced to continue\n"),
2219                         blocksize, sys_page_size);
2220         }
2221
2222         /* Metadata checksumming wasn't totally stable before 3.18. */
2223         if (is_before_linux_ver(3, 18, 0) &&
2224             (fs_param.s_feature_ro_compat &
2225                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
2226                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2227                         "improved stability of the metadata and journal "
2228                         "checksum features.\n"));
2229
2230         /*
2231          * On newer kernels we do have lazy_itable_init support. So pick the
2232          * right default in case ext4 module is not loaded.
2233          */
2234         if (is_before_linux_ver(2, 6, 37))
2235                 lazy_itable_init = 0;
2236         else
2237                 lazy_itable_init = 1;
2238
2239         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2240                 lazy_itable_init = 1;
2241
2242         lazy_itable_init = get_bool_from_profile(fs_types,
2243                                                  "lazy_itable_init",
2244                                                  lazy_itable_init);
2245         discard = get_bool_from_profile(fs_types, "discard" , discard);
2246         journal_flags |= get_bool_from_profile(fs_types,
2247                                                "lazy_journal_init", 0) ?
2248                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2249         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2250
2251         if (!journal_location_string)
2252                 journal_location_string = get_string_from_profile(fs_types,
2253                                                 "journal_location", "");
2254         if ((journal_location == ~0ULL) && journal_location_string &&
2255             *journal_location_string)
2256                 journal_location = parse_num_blocks2(journal_location_string,
2257                                                 fs_param.s_log_block_size);
2258         free(journal_location_string);
2259
2260         packed_meta_blocks = get_bool_from_profile(fs_types,
2261                                                    "packed_meta_blocks", 0);
2262         if (packed_meta_blocks)
2263                 journal_location = 0;
2264
2265         /* Get options from profile */
2266         for (cpp = fs_types; *cpp; cpp++) {
2267                 tmp = NULL;
2268                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2269                         if (tmp && *tmp)
2270                                 parse_extended_opts(&fs_param, tmp);
2271                         free(tmp);
2272         }
2273
2274         if (extended_opts)
2275                 parse_extended_opts(&fs_param, extended_opts);
2276
2277         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2278         if ((fs_param.s_feature_ro_compat &
2279              EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
2280             (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM))
2281                 fs_param.s_feature_ro_compat &=
2282                                 ~EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
2283
2284         /* Can't support bigalloc feature without extents feature */
2285         if ((fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) &&
2286             !(fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS)) {
2287                 com_err(program_name, 0, "%s",
2288                         _("Can't support bigalloc feature without "
2289                           "extents feature"));
2290                 exit(1);
2291         }
2292
2293         if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
2294             (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) {
2295                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2296                                         "features are not compatible.\n"
2297                                         "They can not be both enabled "
2298                                         "simultaneously.\n"));
2299                 exit(1);
2300         }
2301
2302         if (!quiet &&
2303             (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC))
2304                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2305                                   "still under development\n"
2306                                   "See https://ext4.wiki.kernel.org/"
2307                                   "index.php/Bigalloc for more information\n\n"));
2308
2309         /*
2310          * Since sparse_super is the default, we would only have a problem
2311          * here if it was explicitly disabled.
2312          */
2313         if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) &&
2314             !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
2315                 com_err(program_name, 0, "%s",
2316                         _("reserved online resize blocks not supported "
2317                           "on non-sparse filesystem"));
2318                 exit(1);
2319         }
2320
2321         if (fs_param.s_blocks_per_group) {
2322                 if (fs_param.s_blocks_per_group < 256 ||
2323                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2324                         com_err(program_name, 0, "%s",
2325                                 _("blocks per group count out of range"));
2326                         exit(1);
2327                 }
2328         }
2329
2330         /*
2331          * If the bigalloc feature is enabled, then the -g option will
2332          * specify the number of clusters per group.
2333          */
2334         if (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) {
2335                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2336                 fs_param.s_blocks_per_group = 0;
2337         }
2338
2339         if (inode_size == 0)
2340                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2341         if (!flex_bg_size && (fs_param.s_feature_incompat &
2342                               EXT4_FEATURE_INCOMPAT_FLEX_BG))
2343                 flex_bg_size = get_uint_from_profile(fs_types,
2344                                                      "flex_bg_size", 16);
2345         if (flex_bg_size) {
2346                 if (!(fs_param.s_feature_incompat &
2347                       EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
2348                         com_err(program_name, 0, "%s",
2349                                 _("Flex_bg feature not enabled, so "
2350                                   "flex_bg size may not be specified"));
2351                         exit(1);
2352                 }
2353                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2354         }
2355
2356         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2357                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2358                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2359                     inode_size & (inode_size - 1)) {
2360                         com_err(program_name, 0,
2361                                 _("invalid inode size %d (min %d/max %d)"),
2362                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2363                                 blocksize);
2364                         exit(1);
2365                 }
2366                 fs_param.s_inode_size = inode_size;
2367         }
2368
2369         /*
2370          * If inode size is 128 and inline data is enabled, we need
2371          * to notify users that inline data will never be useful.
2372          */
2373         if ((fs_param.s_feature_incompat &
2374              EXT4_FEATURE_INCOMPAT_INLINE_DATA) &&
2375             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2376                 com_err(program_name, 0,
2377                         _("%d byte inodes are too small for inline data; "
2378                           "specify larger size"),
2379                         fs_param.s_inode_size);
2380                 exit(1);
2381         }
2382
2383         /* Make sure number of inodes specified will fit in 32 bits */
2384         if (num_inodes == 0) {
2385                 unsigned long long n;
2386                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2387                 if (n > MAX_32_NUM) {
2388                         if (fs_param.s_feature_incompat &
2389                             EXT4_FEATURE_INCOMPAT_64BIT)
2390                                 num_inodes = MAX_32_NUM;
2391                         else {
2392                                 com_err(program_name, 0,
2393                                         _("too many inodes (%llu), raise "
2394                                           "inode ratio?"), n);
2395                                 exit(1);
2396                         }
2397                 }
2398         } else if (num_inodes > MAX_32_NUM) {
2399                 com_err(program_name, 0,
2400                         _("too many inodes (%llu), specify < 2^32 inodes"),
2401                           num_inodes);
2402                 exit(1);
2403         }
2404         /*
2405          * Calculate number of inodes based on the inode ratio
2406          */
2407         fs_param.s_inodes_count = num_inodes ? num_inodes :
2408                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2409
2410         if ((((unsigned long long)fs_param.s_inodes_count) *
2411              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2412             ((ext2fs_blocks_count(&fs_param)) *
2413              EXT2_BLOCK_SIZE(&fs_param))) {
2414                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2415                                           "(%u) too big for a\n\t"
2416                                           "filesystem with %llu blocks, "
2417                                           "specify higher inode_ratio (-i)\n\t"
2418                                           "or lower inode count (-N).\n"),
2419                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2420                         fs_param.s_inodes_count,
2421                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2422                 exit(1);
2423         }
2424
2425         /*
2426          * Calculate number of blocks to reserve
2427          */
2428         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2429                                   ext2fs_blocks_count(&fs_param) / 100.0);
2430
2431         if (fs_param.s_feature_compat & EXT4_FEATURE_COMPAT_SPARSE_SUPER2) {
2432                 if (num_backups >= 1)
2433                         fs_param.s_backup_bgs[0] = 1;
2434                 if (num_backups >= 2)
2435                         fs_param.s_backup_bgs[1] = ~0;
2436         }
2437
2438         free(fs_type);
2439         free(usage_types);
2440 }
2441
2442 static int should_do_undo(const char *name)
2443 {
2444         errcode_t retval;
2445         io_channel channel;
2446         __u16   s_magic;
2447         struct ext2_super_block super;
2448         io_manager manager = unix_io_manager;
2449         int csum_flag, force_undo;
2450
2451         csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
2452                                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
2453                                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
2454         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2455         if (!force_undo && (!csum_flag || !lazy_itable_init))
2456                 return 0;
2457
2458         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2459         if (retval) {
2460                 /*
2461                  * We don't handle error cases instead we
2462                  * declare that the file system doesn't exist
2463                  * and let the rest of mke2fs take care of
2464                  * error
2465                  */
2466                 retval = 0;
2467                 goto open_err_out;
2468         }
2469
2470         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2471         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2472         if (retval) {
2473                 retval = 0;
2474                 goto err_out;
2475         }
2476
2477 #if defined(WORDS_BIGENDIAN)
2478         s_magic = ext2fs_swab16(super.s_magic);
2479 #else
2480         s_magic = super.s_magic;
2481 #endif
2482
2483         if (s_magic == EXT2_SUPER_MAGIC)
2484                 retval = 1;
2485
2486 err_out:
2487         io_channel_close(channel);
2488
2489 open_err_out:
2490
2491         return retval;
2492 }
2493
2494 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2495 {
2496         errcode_t retval = ENOMEM;
2497         char *tdb_dir = NULL, *tdb_file = NULL;
2498         char *dev_name, *tmp_name;
2499         int free_tdb_dir = 0;
2500
2501         /* (re)open a specific undo file */
2502         if (undo_file && undo_file[0] != 0) {
2503                 retval = set_undo_io_backing_manager(*io_ptr);
2504                 if (retval)
2505                         goto err;
2506                 *io_ptr = undo_io_manager;
2507                 retval = set_undo_io_backup_file(undo_file);
2508                 if (retval)
2509                         goto err;
2510                 printf(_("Overwriting existing filesystem; this can be undone "
2511                          "using the command:\n"
2512                          "    e2undo %s %s\n\n"), undo_file, name);
2513                 return retval;
2514         }
2515
2516         /*
2517          * Configuration via a conf file would be
2518          * nice
2519          */
2520         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2521         if (!tdb_dir) {
2522                 profile_get_string(profile, "defaults",
2523                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2524                                    &tdb_dir);
2525                 free_tdb_dir = 1;
2526         }
2527
2528         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2529             access(tdb_dir, W_OK)) {
2530                 if (free_tdb_dir)
2531                         free(tdb_dir);
2532                 return 0;
2533         }
2534
2535         tmp_name = strdup(name);
2536         if (!tmp_name)
2537                 goto errout;
2538         dev_name = basename(tmp_name);
2539         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2540         if (!tdb_file) {
2541                 free(tmp_name);
2542                 goto errout;
2543         }
2544         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2545         free(tmp_name);
2546
2547         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2548                 retval = errno;
2549                 com_err(program_name, retval,
2550                         _("while trying to delete %s"), tdb_file);
2551                 goto errout;
2552         }
2553
2554         retval = set_undo_io_backing_manager(*io_ptr);
2555         if (retval)
2556                 goto errout;
2557         *io_ptr = undo_io_manager;
2558         retval = set_undo_io_backup_file(tdb_file);
2559         if (retval)
2560                 goto errout;
2561         printf(_("Overwriting existing filesystem; this can be undone "
2562                  "using the command:\n"
2563                  "    e2undo %s %s\n\n"), tdb_file, name);
2564
2565         if (free_tdb_dir)
2566                 free(tdb_dir);
2567         free(tdb_file);
2568         return 0;
2569
2570 errout:
2571         if (free_tdb_dir)
2572                 free(tdb_dir);
2573         free(tdb_file);
2574 err:
2575         com_err(program_name, retval, "%s",
2576                 _("while trying to setup undo file\n"));
2577         return retval;
2578 }
2579
2580 static int mke2fs_discard_device(ext2_filsys fs)
2581 {
2582         struct ext2fs_numeric_progress_struct progress;
2583         blk64_t blocks = ext2fs_blocks_count(fs->super);
2584         blk64_t count = DISCARD_STEP_MB;
2585         blk64_t cur;
2586         int retval = 0;
2587
2588         /*
2589          * Let's try if discard really works on the device, so
2590          * we do not print numeric progress resulting in failure
2591          * afterwards.
2592          */
2593         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2594         if (retval)
2595                 return retval;
2596         cur = fs->blocksize;
2597
2598         count *= (1024 * 1024);
2599         count /= fs->blocksize;
2600
2601         ext2fs_numeric_progress_init(fs, &progress,
2602                                      _("Discarding device blocks: "),
2603                                      blocks);
2604         while (cur < blocks) {
2605                 ext2fs_numeric_progress_update(fs, &progress, cur);
2606
2607                 if (cur + count > blocks)
2608                         count = blocks - cur;
2609
2610                 retval = io_channel_discard(fs->io, cur, count);
2611                 if (retval)
2612                         break;
2613                 cur += count;
2614         }
2615
2616         if (retval) {
2617                 ext2fs_numeric_progress_close(fs, &progress,
2618                                       _("failed - "));
2619                 if (!quiet)
2620                         printf("%s\n",error_message(retval));
2621         } else
2622                 ext2fs_numeric_progress_close(fs, &progress,
2623                                       _("done                            \n"));
2624
2625         return retval;
2626 }
2627
2628 static void fix_cluster_bg_counts(ext2_filsys fs)
2629 {
2630         blk64_t         block, num_blocks, last_block, next;
2631         blk64_t         tot_free = 0;
2632         errcode_t       retval;
2633         dgrp_t          group = 0;
2634         int             grp_free = 0;
2635
2636         num_blocks = ext2fs_blocks_count(fs->super);
2637         last_block = ext2fs_group_last_block2(fs, group);
2638         block = fs->super->s_first_data_block;
2639         while (block < num_blocks) {
2640                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2641                                                 block, last_block, &next);
2642                 if (retval == 0)
2643                         block = next;
2644                 else {
2645                         block = last_block + 1;
2646                         goto next_bg;
2647                 }
2648
2649                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2650                                                 block, last_block, &next);
2651                 if (retval)
2652                         next = last_block + 1;
2653                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2654                 tot_free += next - block;
2655                 block = next;
2656
2657                 if (block > last_block) {
2658                 next_bg:
2659                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2660                         ext2fs_group_desc_csum_set(fs, group);
2661                         grp_free = 0;
2662                         group++;
2663                         last_block = ext2fs_group_last_block2(fs, group);
2664                 }
2665         }
2666         ext2fs_free_blocks_count_set(fs->super, tot_free);
2667 }
2668
2669 static int create_quota_inodes(ext2_filsys fs)
2670 {
2671         quota_ctx_t qctx;
2672
2673         quota_init_context(&qctx, fs, -1);
2674         quota_compute_usage(qctx);
2675         quota_write_inode(qctx, quotatype);
2676         quota_release_context(&qctx);
2677
2678         return 0;
2679 }
2680
2681 static errcode_t set_error_behavior(ext2_filsys fs)
2682 {
2683         char    *arg = NULL;
2684         short   errors = fs->super->s_errors;
2685
2686         arg = get_string_from_profile(fs_types, "errors", NULL);
2687         if (arg == NULL)
2688                 goto try_user;
2689
2690         if (strcmp(arg, "continue") == 0)
2691                 errors = EXT2_ERRORS_CONTINUE;
2692         else if (strcmp(arg, "remount-ro") == 0)
2693                 errors = EXT2_ERRORS_RO;
2694         else if (strcmp(arg, "panic") == 0)
2695                 errors = EXT2_ERRORS_PANIC;
2696         else {
2697                 com_err(program_name, 0,
2698                         _("bad error behavior in profile - %s"),
2699                         arg);
2700                 free(arg);
2701                 return EXT2_ET_INVALID_ARGUMENT;
2702         }
2703         free(arg);
2704
2705 try_user:
2706         if (errors_behavior)
2707                 errors = errors_behavior;
2708
2709         fs->super->s_errors = errors;
2710         return 0;
2711 }
2712
2713 int main (int argc, char *argv[])
2714 {
2715         errcode_t       retval = 0;
2716         ext2_filsys     fs;
2717         badblocks_list  bb_list = 0;
2718         unsigned int    journal_blocks = 0;
2719         unsigned int    i, checkinterval;
2720         int             max_mnt_count;
2721         int             val, hash_alg;
2722         int             flags;
2723         int             old_bitmaps;
2724         io_manager      io_ptr;
2725         char            opt_string[40];
2726         char            *hash_alg_str;
2727         int             itable_zeroed = 0;
2728
2729 #ifdef ENABLE_NLS
2730         setlocale(LC_MESSAGES, "");
2731         setlocale(LC_CTYPE, "");
2732         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2733         textdomain(NLS_CAT_NAME);
2734         set_com_err_gettext(gettext);
2735 #endif
2736         PRS(argc, argv);
2737
2738 #ifdef CONFIG_TESTIO_DEBUG
2739         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2740                 io_ptr = test_io_manager;
2741                 test_io_backing_manager = unix_io_manager;
2742         } else
2743 #endif
2744                 io_ptr = unix_io_manager;
2745
2746         if (undo_file != NULL || should_do_undo(device_name)) {
2747                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2748                 if (retval)
2749                         exit(1);
2750         }
2751
2752         /*
2753          * Initialize the superblock....
2754          */
2755         flags = EXT2_FLAG_EXCLUSIVE;
2756         if (direct_io)
2757                 flags |= EXT2_FLAG_DIRECT_IO;
2758         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2759                             &old_bitmaps);
2760         if (!old_bitmaps)
2761                 flags |= EXT2_FLAG_64BITS;
2762         /*
2763          * By default, we print how many inode tables or block groups
2764          * or whatever we've written so far.  The quiet flag disables
2765          * this, along with a lot of other output.
2766          */
2767         if (!quiet)
2768                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2769         retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs);
2770         if (retval) {
2771                 com_err(device_name, retval, "%s",
2772                         _("while setting up superblock"));
2773                 exit(1);
2774         }
2775         fs->progress_ops = &ext2fs_numeric_progress_ops;
2776
2777         /* Set the error behavior */
2778         retval = set_error_behavior(fs);
2779         if (retval)
2780                 usage();
2781
2782         /* Check the user's mkfs options for metadata checksumming */
2783         if (!quiet &&
2784             !EXT2_HAS_INCOMPAT_FEATURE(fs->super,
2785                                        EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) &&
2786             EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
2787                                        EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
2788                 if (!EXT2_HAS_INCOMPAT_FEATURE(fs->super,
2789                                 EXT3_FEATURE_INCOMPAT_EXTENTS))
2790                         printf("%s",
2791                                _("Extents are not enabled.  The file extent "
2792                                  "tree can be checksummed, whereas block maps "
2793                                  "cannot.  Not enabling extents reduces the "
2794                                  "coverage of metadata checksumming.  "
2795                                  "Pass -O extents to rectify.\n"));
2796                 if (!EXT2_HAS_INCOMPAT_FEATURE(fs->super,
2797                                 EXT4_FEATURE_INCOMPAT_64BIT))
2798                         printf("%s",
2799                                _("64-bit filesystem support is not enabled.  "
2800                                  "The larger fields afforded by this feature "
2801                                  "enable full-strength checksumming.  "
2802                                  "Pass -O 64bit to rectify.\n"));
2803         }
2804
2805         /* Calculate journal blocks */
2806         if (!journal_device && ((journal_size) ||
2807                 (fs_param.s_feature_compat &
2808                  EXT3_FEATURE_COMPAT_HAS_JOURNAL)))
2809                 journal_blocks = figure_journal_size(journal_size, fs);
2810
2811         /* Can't undo discard ... */
2812         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
2813                 retval = mke2fs_discard_device(fs);
2814                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2815                         if (verbose)
2816                                 printf("%s",
2817                                        _("Discard succeeded and will return "
2818                                          "0s - skipping inode table wipe\n"));
2819                         lazy_itable_init = 1;
2820                         itable_zeroed = 1;
2821                         zero_hugefile = 0;
2822                 }
2823         }
2824
2825         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2826                 32768 : fs->blocksize * 8);
2827         io_channel_set_options(fs->io, opt_string);
2828         if (offset) {
2829                 sprintf(opt_string, "offset=%llu", offset);
2830                 io_channel_set_options(fs->io, opt_string);
2831         }
2832
2833         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2834                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2835
2836         if ((fs_param.s_feature_incompat &
2837              (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) ||
2838             (fs_param.s_feature_ro_compat &
2839              (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
2840               EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
2841               EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
2842               EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE)))
2843                 fs->super->s_kbytes_written = 1;
2844
2845         /*
2846          * Wipe out the old on-disk superblock
2847          */
2848         if (!noaction)
2849                 zap_sector(fs, 2, 6);
2850
2851         /*
2852          * Parse or generate a UUID for the filesystem
2853          */
2854         if (fs_uuid) {
2855                 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) {
2856                         com_err(device_name, 0, "could not parse UUID: %s\n",
2857                                 fs_uuid);
2858                         exit(1);
2859                 }
2860         } else
2861                 uuid_generate(fs->super->s_uuid);
2862         ext2fs_init_csum_seed(fs);
2863
2864         /*
2865          * Initialize the directory index variables
2866          */
2867         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
2868                                                "half_md4");
2869         hash_alg = e2p_string2hash(hash_alg_str);
2870         free(hash_alg_str);
2871         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
2872                 EXT2_HASH_HALF_MD4;
2873         uuid_generate((unsigned char *) fs->super->s_hash_seed);
2874
2875         /*
2876          * Periodic checks can be enabled/disabled via config file.
2877          * Note we override the kernel include file's idea of what the default
2878          * check interval (never) should be.  It's a good idea to check at
2879          * least *occasionally*, specially since servers will never rarely get
2880          * to reboot, since Linux is so robust these days.  :-)
2881          *
2882          * 180 days (six months) seems like a good value.
2883          */
2884 #ifdef EXT2_DFL_CHECKINTERVAL
2885 #undef EXT2_DFL_CHECKINTERVAL
2886 #endif
2887 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
2888
2889         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
2890                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
2891                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
2892                 /*
2893                  * Add "jitter" to the superblock's check interval so that we
2894                  * don't check all the filesystems at the same time.  We use a
2895                  * kludgy hack of using the UUID to derive a random jitter value
2896                  */
2897                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
2898                         val += fs->super->s_uuid[i];
2899                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
2900         } else
2901                 fs->super->s_max_mnt_count = -1;
2902
2903         /*
2904          * Override the creator OS, if applicable
2905          */
2906         if (creator_os && !set_os(fs->super, creator_os)) {
2907                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
2908                 exit(1);
2909         }
2910
2911         /*
2912          * For the Hurd, we will turn off filetype since it doesn't
2913          * support it.
2914          */
2915         if (fs->super->s_creator_os == EXT2_OS_HURD)
2916                 fs->super->s_feature_incompat &=
2917                         ~EXT2_FEATURE_INCOMPAT_FILETYPE;
2918
2919         /*
2920          * Set the volume label...
2921          */
2922         if (volume_label) {
2923                 memset(fs->super->s_volume_name, 0,
2924                        sizeof(fs->super->s_volume_name));
2925                 strncpy(fs->super->s_volume_name, volume_label,
2926                         sizeof(fs->super->s_volume_name));
2927         }
2928
2929         /*
2930          * Set the last mount directory
2931          */
2932         if (mount_dir) {
2933                 memset(fs->super->s_last_mounted, 0,
2934                        sizeof(fs->super->s_last_mounted));
2935                 strncpy(fs->super->s_last_mounted, mount_dir,
2936                         sizeof(fs->super->s_last_mounted));
2937         }
2938
2939         /* Set current default encryption algorithms for data and
2940          * filename encryption */
2941         if (fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_ENCRYPT) {
2942                 fs->super->s_encrypt_algos[0] =
2943                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
2944                 fs->super->s_encrypt_algos[1] =
2945                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
2946         }
2947
2948         if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
2949                                        EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
2950                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
2951
2952         if (!quiet || noaction)
2953                 show_stats(fs);
2954
2955         if (noaction)
2956                 exit(0);
2957
2958         if (fs->super->s_feature_incompat &
2959             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
2960                 create_journal_dev(fs);
2961                 printf("\n");
2962                 exit(ext2fs_close_free(&fs) ? 1 : 0);
2963         }
2964
2965         if (bad_blocks_filename)
2966                 read_bb_file(fs, &bb_list, bad_blocks_filename);
2967         if (cflag)
2968                 test_disk(fs, &bb_list);
2969         handle_bad_blocks(fs, bb_list);
2970
2971         fs->stride = fs_stride = fs->super->s_raid_stride;
2972         if (!quiet)
2973                 printf("%s", _("Allocating group tables: "));
2974         if ((fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_FLEX_BG) &&
2975             packed_meta_blocks)
2976                 retval = packed_allocate_tables(fs);
2977         else
2978                 retval = ext2fs_allocate_tables(fs);
2979         if (retval) {
2980                 com_err(program_name, retval, "%s",
2981                         _("while trying to allocate filesystem tables"));
2982                 exit(1);
2983         }
2984         if (!quiet)
2985                 printf("%s", _("done                            \n"));
2986
2987         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
2988         if (retval) {
2989                 com_err(program_name, retval, "%s",
2990                         _("\n\twhile converting subcluster bitmap"));
2991                 exit(1);
2992         }
2993
2994         if (super_only) {
2995                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
2996                 printf(_("%s may be further corrupted by superblock rewrite\n"),
2997                        device_name);
2998                 if (!force)
2999                         proceed_question(proceed_delay);
3000                 fs->super->s_state |= EXT2_ERROR_FS;
3001                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3002                 /*
3003                  * The command "mke2fs -S" is used to recover
3004                  * corrupted file systems, so do not mark any of the
3005                  * inodes as unused; we want e2fsck to consider all
3006                  * inodes as potentially containing recoverable data.
3007                  */
3008                 if (ext2fs_has_group_desc_csum(fs)) {
3009                         for (i = 0; i < fs->group_desc_count; i++)
3010                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3011                 }
3012         } else {
3013                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3014                 blk64_t rsv = 65536 / fs->blocksize;
3015                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3016                 blk64_t start;
3017                 blk64_t ret_blk;
3018
3019 #ifdef ZAP_BOOTBLOCK
3020                 zap_sector(fs, 0, 2);
3021 #endif
3022
3023                 /*
3024                  * Wipe out any old MD RAID (or other) metadata at the end
3025                  * of the device.  This will also verify that the device is
3026                  * as large as we think.  Be careful with very small devices.
3027                  */
3028                 start = (blocks & ~(rsv - 1));
3029                 if (start > rsv)
3030                         start -= rsv;
3031                 if (start > 0)
3032                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3033                                                     &ret_blk, NULL);
3034
3035                 if (retval) {
3036                         com_err(program_name, retval,
3037                                 _("while zeroing block %llu at end of filesystem"),
3038                                 ret_blk);
3039                 }
3040                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3041                 create_root_dir(fs);
3042                 create_lost_and_found(fs);
3043                 reserve_inodes(fs);
3044                 create_bad_block_inode(fs, bb_list);
3045                 if (fs->super->s_feature_compat &
3046                     EXT2_FEATURE_COMPAT_RESIZE_INODE) {
3047                         retval = ext2fs_create_resize_inode(fs);
3048                         if (retval) {
3049                                 com_err("ext2fs_create_resize_inode", retval,
3050                                         "%s",
3051                                 _("while reserving blocks for online resize"));
3052                                 exit(1);
3053                         }
3054                 }
3055         }
3056
3057         if (journal_device) {
3058                 ext2_filsys     jfs;
3059
3060                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3061                                         NULL) && !force)
3062                         proceed_question(proceed_delay);
3063                 check_mount(journal_device, force, _("journal"));
3064
3065                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3066                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3067                                      fs->blocksize, unix_io_manager, &jfs);
3068                 if (retval) {
3069                         com_err(program_name, retval,
3070                                 _("while trying to open journal device %s\n"),
3071                                 journal_device);
3072                         exit(1);
3073                 }
3074                 if (!quiet) {
3075                         printf(_("Adding journal to device %s: "),
3076                                journal_device);
3077                         fflush(stdout);
3078                 }
3079                 retval = ext2fs_add_journal_device(fs, jfs);
3080                 if(retval) {
3081                         com_err (program_name, retval,
3082                                  _("\n\twhile trying to add journal to device %s"),
3083                                  journal_device);
3084                         exit(1);
3085                 }
3086                 if (!quiet)
3087                         printf("%s", _("done\n"));
3088                 ext2fs_close_free(&jfs);
3089                 free(journal_device);
3090         } else if ((journal_size) ||
3091                    (fs_param.s_feature_compat &
3092                     EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
3093                 if (super_only) {
3094                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3095                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3096                         goto no_journal;
3097                 }
3098
3099                 if (!journal_blocks) {
3100                         fs->super->s_feature_compat &=
3101                                 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
3102                         goto no_journal;
3103                 }
3104                 if (!quiet) {
3105                         printf(_("Creating journal (%u blocks): "),
3106                                journal_blocks);
3107                         fflush(stdout);
3108                 }
3109                 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3110                                                    journal_location,
3111                                                    journal_flags);
3112                 if (retval) {
3113                         com_err(program_name, retval, "%s",
3114                                 _("\n\twhile trying to create journal"));
3115                         exit(1);
3116                 }
3117                 if (!quiet)
3118                         printf("%s", _("done\n"));
3119         }
3120 no_journal:
3121         if (!super_only &&
3122             fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) {
3123                 retval = ext2fs_mmp_init(fs);
3124                 if (retval) {
3125                         fprintf(stderr, "%s",
3126                                 _("\nError while enabling multiple "
3127                                   "mount protection feature."));
3128                         exit(1);
3129                 }
3130                 if (!quiet)
3131                         printf(_("Multiple mount protection is enabled "
3132                                  "with update interval %d seconds.\n"),
3133                                fs->super->s_mmp_update_interval);
3134         }
3135
3136         if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
3137                                        EXT4_FEATURE_RO_COMPAT_BIGALLOC))
3138                 fix_cluster_bg_counts(fs);
3139         if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
3140                                        EXT4_FEATURE_RO_COMPAT_QUOTA))
3141                 create_quota_inodes(fs);
3142
3143         retval = mk_hugefiles(fs, device_name);
3144         if (retval)
3145                 com_err(program_name, retval, "while creating huge files");
3146         /* Copy files from the specified directory */
3147         if (root_dir) {
3148                 if (!quiet)
3149                         printf("%s", _("Copying files into the device: "));
3150
3151                 retval = populate_fs(fs, EXT2_ROOT_INO, root_dir,
3152                                      EXT2_ROOT_INO);
3153                 if (retval) {
3154                         com_err(program_name, retval, "%s",
3155                                 _("while populating file system"));
3156                         exit(1);
3157                 } else if (!quiet)
3158                         printf("%s", _("done\n"));
3159         }
3160
3161         if (!quiet)
3162                 printf("%s", _("Writing superblocks and "
3163                        "filesystem accounting information: "));
3164         checkinterval = fs->super->s_checkinterval;
3165         max_mnt_count = fs->super->s_max_mnt_count;
3166         retval = ext2fs_close_free(&fs);
3167         if (retval) {
3168                 fprintf(stderr, "%s",
3169                         _("\nWarning, had trouble writing out superblocks."));
3170         } else if (!quiet) {
3171                 printf("%s", _("done\n\n"));
3172                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3173                         print_check_message(max_mnt_count, checkinterval);
3174         }
3175
3176         remove_error_table(&et_ext2_error_table);
3177         remove_error_table(&et_prof_error_table);
3178         profile_release(profile);
3179         for (i=0; fs_types[i]; i++)
3180                 free(fs_types[i]);
3181         free(fs_types);
3182         return retval;
3183 }