misc/mke2fs.c

   1 /*
   2  * mke2fs.c - Make a ext2fs filesystem.
   3  *
   4  * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   5  *      2003, 2004, 2005 by Theodore Ts'o.
   6  *
   7  * %Begin-Header%
   8  * This file may be redistributed under the terms of the GNU Public
   9  * License.
  10  * %End-Header%
  11  */
  12
  13 /* Usage: mke2fs [options] device
  14  *
  15  * The device may be a block device or a image of one, but this isn't
  16  * enforced (but it's not much fun on a character device :-).
  17  */
  18
  19 #define _XOPEN_SOURCE 600
  20
  21 #include "config.h"
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <strings.h>
  25 #include <ctype.h>
  26 #include <time.h>
  27 #ifdef __linux__
  28 #include <sys/utsname.h>
  29 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
  30 #endif
  31 #ifdef HAVE_GETOPT_H
  32 #include <getopt.h>
  33 #else
  34 extern char *optarg;
  35 extern int optind;
  36 #endif
  37 #ifdef HAVE_UNISTD_H
  38 #include <unistd.h>
  39 #endif
  40 #ifdef HAVE_STDLIB_H
  41 #include <stdlib.h>
  42 #endif
  43 #ifdef HAVE_ERRNO_H
  44 #include <errno.h>
  45 #endif
  46 #ifdef HAVE_SYS_IOCTL_H
  47 #include <sys/ioctl.h>
  48 #endif
  49 #include <libgen.h>
  50 #include <limits.h>
  51 #include <blkid/blkid.h>
  52
  53 #include "ext2fs/ext2_fs.h"
  54 #include "ext2fs/ext2fsP.h"
  55 #include "uuid/uuid.h"
  56 #include "util.h"
  57 #include "support/nls-enable.h"
  58 #include "support/plausible.h"
  59 #include "support/profile.h"
  60 #include "support/prof_err.h"
  61 #include "../version.h"
  62 #include "support/quotaio.h"
  63 #include "mke2fs.h"
  64 #include "create_inode.h"
  65
  66 #define STRIDE_LENGTH 8
  67
  68 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
  69
  70 #ifndef __sparc__
  71 #define ZAP_BOOTBLOCK
  72 #endif
  73
  74 #define DISCARD_STEP_MB         (2048)
  75
  76 extern int isatty(int);
  77 extern FILE *fpopen(const char *cmd, const char *mode);
  78
  79 const char * program_name = "mke2fs";
  80 static const char * device_name /* = NULL */;
  81
  82 /* Command line options */
  83 static int      cflag;
  84 int     verbose;
  85 int     quiet;
  86 static int      super_only;
  87 static int      discard = 1;    /* attempt to discard device before fs creation */
  88 static int      direct_io;
  89 static int      force;
  90 static int      noaction;
  91 static int      num_backups = 2; /* number of backup bg's for sparse_super2 */
  92 static uid_t    root_uid;
  93 static gid_t    root_gid;
  94 int     journal_size;
  95 int     journal_flags;
  96 static int      lazy_itable_init;
  97 static int      packed_meta_blocks;
  98 static char     *bad_blocks_filename = NULL;
  99 static __u32    fs_stride;
 100 /* Initialize usr/grp quotas by default */
 101 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
 102 static __u64    offset;
 103 static blk64_t journal_location = ~0LL;
 104 static int      proceed_delay = -1;
 105 static blk64_t  dev_size;
 106
 107 static struct ext2_super_block fs_param;
 108 static __u32 zero_buf[4];
 109 static char *fs_uuid = NULL;
 110 static char *creator_os;
 111 static char *volume_label;
 112 static char *mount_dir;
 113 char *journal_device;
 114 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 115 char **fs_types;
 116 const char *src_root_dir;  /* Copy files from the specified directory */
 117 static char *undo_file;
 118
 119 static int android_sparse_file; /* -E android_sparse */
 120
 121 static profile_t        profile;
 122
 123 static int sys_page_size = 4096;
 124
 125 static int errors_behavior = 0;
 126
 127 static void usage(void)
 128 {
 129         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 130         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 131         "[-J journal-options]\n"
 132         "\t[-G flex-group-size] [-N number-of-inodes] "
 133         "[-d root-directory]\n"
 134         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 135         "\t[-g blocks-per-group] [-L volume-label] "
 136         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 137         "[-r fs-revision] [-E extended-option[,...]]\n"
 138         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 139         "[-z undo_file]\n"
 140         "\t[-jnqvDFSV] device [blocks-count]\n"),
 141                 program_name);
 142         exit(1);
 143 }
 144
 145 static int int_log2(unsigned long long arg)
 146 {
 147         int     l = 0;
 148
 149         arg >>= 1;
 150         while (arg) {
 151                 l++;
 152                 arg >>= 1;
 153         }
 154         return l;
 155 }
 156
 157 int int_log10(unsigned long long arg)
 158 {
 159         int     l;
 160
 161         for (l=0; arg ; l++)
 162                 arg = arg / 10;
 163         return l;
 164 }
 165
 166 #ifdef __linux__
 167 static int parse_version_number(const char *s)
 168 {
 169         int     major, minor, rev;
 170         char    *endptr;
 171         const char *cp = s;
 172
 173         if (!s)
 174                 return 0;
 175         major = strtol(cp, &endptr, 10);
 176         if (cp == endptr || *endptr != '.')
 177                 return 0;
 178         cp = endptr + 1;
 179         minor = strtol(cp, &endptr, 10);
 180         if (cp == endptr || *endptr != '.')
 181                 return 0;
 182         cp = endptr + 1;
 183         rev = strtol(cp, &endptr, 10);
 184         if (cp == endptr)
 185                 return 0;
 186         return KERNEL_VERSION(major, minor, rev);
 187 }
 188
 189 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 190                                unsigned int rev)
 191 {
 192         struct          utsname ut;
 193         static int      linux_version_code = -1;
 194
 195         if (uname(&ut)) {
 196                 perror("uname");
 197                 exit(1);
 198         }
 199         if (linux_version_code < 0)
 200                 linux_version_code = parse_version_number(ut.release);
 201         if (linux_version_code == 0)
 202                 return 0;
 203
 204         return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
 205 }
 206 #else
 207 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 208                                unsigned int rev)
 209 {
 210         return 0;
 211 }
 212 #endif
 213
 214 /*
 215  * Helper function for read_bb_file and test_disk
 216  */
 217 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 218 {
 219         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 220         return;
 221 }
 222
 223 /*
 224  * Reads the bad blocks list from a file
 225  */
 226 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 227                          const char *bad_blocks_file)
 228 {
 229         FILE            *f;
 230         errcode_t       retval;
 231
 232         f = fopen(bad_blocks_file, "r");
 233         if (!f) {
 234                 com_err("read_bad_blocks_file", errno,
 235                         _("while trying to open %s"), bad_blocks_file);
 236                 exit(1);
 237         }
 238         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 239         fclose (f);
 240         if (retval) {
 241                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 242                         _("while reading in list of bad blocks from file"));
 243                 exit(1);
 244         }
 245 }
 246
 247 /*
 248  * Runs the badblocks program to test the disk
 249  */
 250 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 251 {
 252         FILE            *f;
 253         errcode_t       retval;
 254         char            buf[1024];
 255
 256         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 257                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 258                 fs->device_name, ext2fs_blocks_count(fs->super)-1);
 259         if (verbose)
 260                 printf(_("Running command: %s\n"), buf);
 261         f = popen(buf, "r");
 262         if (!f) {
 263                 com_err("popen", errno,
 264                         _("while trying to run '%s'"), buf);
 265                 exit(1);
 266         }
 267         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 268         pclose(f);
 269         if (retval) {
 270                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 271                         _("while processing list of bad blocks from program"));
 272                 exit(1);
 273         }
 274 }
 275
 276 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 277 {
 278         dgrp_t                  i;
 279         blk_t                   j;
 280         unsigned                must_be_good;
 281         blk_t                   blk;
 282         badblocks_iterate       bb_iter;
 283         errcode_t               retval;
 284         blk_t                   group_block;
 285         int                     group;
 286         int                     group_bad;
 287
 288         if (!bb_list)
 289                 return;
 290
 291         /*
 292          * The primary superblock and group descriptors *must* be
 293          * good; if not, abort.
 294          */
 295         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 296         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 297                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 298                         fprintf(stderr, _("Block %d in primary "
 299                                 "superblock/group descriptor area bad.\n"), i);
 300                         fprintf(stderr, _("Blocks %u through %u must be good "
 301                                 "in order to build a filesystem.\n"),
 302                                 fs->super->s_first_data_block, must_be_good);
 303                         fputs(_("Aborting....\n"), stderr);
 304                         exit(1);
 305                 }
 306         }
 307
 308         /*
 309          * See if any of the bad blocks are showing up in the backup
 310          * superblocks and/or group descriptors.  If so, issue a
 311          * warning and adjust the block counts appropriately.
 312          */
 313         group_block = fs->super->s_first_data_block +
 314                 fs->super->s_blocks_per_group;
 315
 316         for (i = 1; i < fs->group_desc_count; i++) {
 317                 group_bad = 0;
 318                 for (j=0; j < fs->desc_blocks+1; j++) {
 319                         if (ext2fs_badblocks_list_test(bb_list,
 320                                                        group_block + j)) {
 321                                 if (!group_bad)
 322                                         fprintf(stderr,
 323 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 324 "       bad blocks.\n\n"),
 325                                                 group_block);
 326                                 group_bad++;
 327                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 328                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 329                                 ext2fs_group_desc_csum_set(fs, group);
 330                                 ext2fs_free_blocks_count_add(fs->super, 1);
 331                         }
 332                 }
 333                 group_block += fs->super->s_blocks_per_group;
 334         }
 335
 336         /*
 337          * Mark all the bad blocks as used...
 338          */
 339         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 340         if (retval) {
 341                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 342                         _("while marking bad blocks as used"));
 343                 exit(1);
 344         }
 345         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 346                 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
 347         ext2fs_badblocks_list_iterate_end(bb_iter);
 348 }
 349
 350 static void write_reserved_inodes(ext2_filsys fs)
 351 {
 352         errcode_t       retval;
 353         ext2_ino_t      ino;
 354         struct ext2_inode *inode;
 355
 356         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 357         if (retval) {
 358                 com_err("inode_init", retval, _("while allocating memory"));
 359                 exit(1);
 360         }
 361
 362         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++)
 363                 ext2fs_write_inode_full(fs, ino, inode,
 364                                         EXT2_INODE_SIZE(fs->super));
 365
 366         ext2fs_free_mem(&inode);
 367 }
 368
 369 static errcode_t packed_allocate_tables(ext2_filsys fs)
 370 {
 371         errcode_t       retval;
 372         dgrp_t          i;
 373         blk64_t         goal = 0;
 374
 375         for (i = 0; i < fs->group_desc_count; i++) {
 376                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 377                 if (retval)
 378                         return retval;
 379                 ext2fs_block_alloc_stats2(fs, goal, +1);
 380                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 381         }
 382         for (i = 0; i < fs->group_desc_count; i++) {
 383                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 384                 if (retval)
 385                         return retval;
 386                 ext2fs_block_alloc_stats2(fs, goal, +1);
 387                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 388         }
 389         for (i = 0; i < fs->group_desc_count; i++) {
 390                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 391                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 392                                                  fs->inode_blocks_per_group,
 393                                                  fs->block_map, &goal);
 394                 if (retval)
 395                         return retval;
 396                 ext2fs_block_alloc_stats_range(fs, goal,
 397                                                fs->inode_blocks_per_group, +1);
 398                 ext2fs_inode_table_loc_set(fs, i, goal);
 399                 ext2fs_group_desc_csum_set(fs, i);
 400         }
 401         return 0;
 402 }
 403
 404 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 405 {
 406         errcode_t       retval;
 407         blk64_t         blk;
 408         dgrp_t          i;
 409         int             num;
 410         struct ext2fs_numeric_progress_struct progress;
 411
 412         ext2fs_numeric_progress_init(fs, &progress,
 413                                      _("Writing inode tables: "),
 414                                      fs->group_desc_count);
 415
 416         for (i = 0; i < fs->group_desc_count; i++) {
 417                 ext2fs_numeric_progress_update(fs, &progress, i);
 418
 419                 blk = ext2fs_inode_table_loc(fs, i);
 420                 num = fs->inode_blocks_per_group;
 421
 422                 if (lazy_flag)
 423                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 424                                                ext2fs_bg_itable_unused(fs, i)) *
 425                                               EXT2_INODE_SIZE(fs->super),
 426                                               EXT2_BLOCK_SIZE(fs->super));
 427                 if (!lazy_flag || itable_zeroed) {
 428                         /* The kernel doesn't need to zero the itable blocks */
 429                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 430                         ext2fs_group_desc_csum_set(fs, i);
 431                 }
 432                 if (!itable_zeroed) {
 433                         retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
 434                         if (retval) {
 435                                 fprintf(stderr, _("\nCould not write %d "
 436                                           "blocks in inode table starting at %llu: %s\n"),
 437                                         num, blk, error_message(retval));
 438                                 exit(1);
 439                         }
 440                 }
 441                 if (sync_kludge) {
 442                         if (sync_kludge == 1)
 443                                 io_channel_flush(fs->io);
 444                         else if ((i % sync_kludge) == 0)
 445                                 io_channel_flush(fs->io);
 446                 }
 447         }
 448         ext2fs_numeric_progress_close(fs, &progress,
 449                                       _("done                            \n"));
 450
 451         /* Reserved inodes must always have correct checksums */
 452         if (ext2fs_has_feature_metadata_csum(fs->super))
 453                 write_reserved_inodes(fs);
 454 }
 455
 456 static void create_root_dir(ext2_filsys fs)
 457 {
 458         errcode_t               retval;
 459         struct ext2_inode       inode;
 460
 461         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 462         if (retval) {
 463                 com_err("ext2fs_mkdir", retval, "%s",
 464                         _("while creating root dir"));
 465                 exit(1);
 466         }
 467         if (root_uid != 0 || root_gid != 0) {
 468                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 469                 if (retval) {
 470                         com_err("ext2fs_read_inode", retval, "%s",
 471                                 _("while reading root inode"));
 472                         exit(1);
 473                 }
 474
 475                 inode.i_uid = root_uid;
 476                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 477                 inode.i_gid = root_gid;
 478                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 479
 480                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 481                 if (retval) {
 482                         com_err("ext2fs_write_inode", retval, "%s",
 483                                 _("while setting root inode ownership"));
 484                         exit(1);
 485                 }
 486         }
 487 }
 488
 489 static void create_lost_and_found(ext2_filsys fs)
 490 {
 491         unsigned int            lpf_size = 0;
 492         errcode_t               retval;
 493         ext2_ino_t              ino;
 494         const char              *name = "lost+found";
 495         int                     i;
 496
 497         fs->umask = 077;
 498         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 499         if (retval) {
 500                 com_err("ext2fs_mkdir", retval, "%s",
 501                         _("while creating /lost+found"));
 502                 exit(1);
 503         }
 504
 505         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 506         if (retval) {
 507                 com_err("ext2_lookup", retval, "%s",
 508                         _("while looking up /lost+found"));
 509                 exit(1);
 510         }
 511
 512         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 513                 /* Ensure that lost+found is at least 2 blocks, so we always
 514                  * test large empty blocks for big-block filesystems.  */
 515                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 516                     lpf_size >= 2 * fs->blocksize)
 517                         break;
 518                 retval = ext2fs_expand_dir(fs, ino);
 519                 if (retval) {
 520                         com_err("ext2fs_expand_dir", retval, "%s",
 521                                 _("while expanding /lost+found"));
 522                         exit(1);
 523                 }
 524         }
 525 }
 526
 527 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 528 {
 529         errcode_t       retval;
 530
 531         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 532         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 533         retval = ext2fs_update_bb_inode(fs, bb_list);
 534         if (retval) {
 535                 com_err("ext2fs_update_bb_inode", retval, "%s",
 536                         _("while setting bad block inode"));
 537                 exit(1);
 538         }
 539
 540 }
 541
 542 static void reserve_inodes(ext2_filsys fs)
 543 {
 544         ext2_ino_t      i;
 545
 546         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 547                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 548         ext2fs_mark_ib_dirty(fs);
 549 }
 550
 551 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 552 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 553 #define BSD_LABEL_OFFSET        64
 554
 555 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 556 {
 557         char *buf;
 558         int retval;
 559         unsigned int *magic;
 560
 561         buf = calloc(512, nsect);
 562         if (!buf) {
 563                 printf(_("Out of memory erasing sectors %d-%d\n"),
 564                        sect, sect + nsect - 1);
 565                 exit(1);
 566         }
 567
 568         if (sect == 0) {
 569                 /* Check for a BSD disklabel, and don't erase it if so */
 570                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 571                 if (retval)
 572                         fprintf(stderr,
 573                                 _("Warning: could not read block 0: %s\n"),
 574                                 error_message(retval));
 575                 else {
 576                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 577                         if ((*magic == BSD_DISKMAGIC) ||
 578                             (*magic == BSD_MAGICDISK))
 579                                 return;
 580                 }
 581         }
 582
 583         memset(buf, 0, 512*nsect);
 584         io_channel_set_blksize(fs->io, 512);
 585         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 586         io_channel_set_blksize(fs->io, fs->blocksize);
 587         free(buf);
 588         if (retval)
 589                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 590                         sect, error_message(retval));
 591 }
 592
 593 static void create_journal_dev(ext2_filsys fs)
 594 {
 595         struct ext2fs_numeric_progress_struct progress;
 596         errcode_t               retval;
 597         char                    *buf;
 598         blk64_t                 blk, err_blk;
 599         int                     c, count, err_count;
 600
 601         retval = ext2fs_create_journal_superblock(fs,
 602                                   ext2fs_blocks_count(fs->super), 0, &buf);
 603         if (retval) {
 604                 com_err("create_journal_dev", retval, "%s",
 605                         _("while initializing journal superblock"));
 606                 exit(1);
 607         }
 608
 609         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 610                 goto write_superblock;
 611
 612         ext2fs_numeric_progress_init(fs, &progress,
 613                                      _("Zeroing journal device: "),
 614                                      ext2fs_blocks_count(fs->super));
 615         blk = 0;
 616         count = ext2fs_blocks_count(fs->super);
 617         while (count > 0) {
 618                 if (count > 1024)
 619                         c = 1024;
 620                 else
 621                         c = count;
 622                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 623                 if (retval) {
 624                         com_err("create_journal_dev", retval,
 625                                 _("while zeroing journal device "
 626                                   "(block %llu, count %d)"),
 627                                 err_blk, err_count);
 628                         exit(1);
 629                 }
 630                 blk += c;
 631                 count -= c;
 632                 ext2fs_numeric_progress_update(fs, &progress, blk);
 633         }
 634
 635         ext2fs_numeric_progress_close(fs, &progress, NULL);
 636 write_superblock:
 637         retval = io_channel_write_blk64(fs->io,
 638                                         fs->super->s_first_data_block+1,
 639                                         1, buf);
 640         (void) ext2fs_free_mem(&buf);
 641         if (retval) {
 642                 com_err("create_journal_dev", retval, "%s",
 643                         _("while writing journal superblock"));
 644                 exit(1);
 645         }
 646 }
 647
 648 static void show_stats(ext2_filsys fs)
 649 {
 650         struct ext2_super_block *s = fs->super;
 651         char                    buf[80];
 652         char                    *os;
 653         blk64_t                 group_block;
 654         dgrp_t                  i;
 655         int                     need, col_left;
 656
 657         if (!verbose) {
 658                 printf(_("Creating filesystem with %llu %dk blocks and "
 659                          "%u inodes\n"),
 660                        ext2fs_blocks_count(s), fs->blocksize >> 10,
 661                        s->s_inodes_count);
 662                 goto skip_details;
 663         }
 664
 665         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 666                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 667                        ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
 668
 669         memset(buf, 0, sizeof(buf));
 670         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 671         printf(_("Filesystem label=%s\n"), buf);
 672         os = e2p_os2string(fs->super->s_creator_os);
 673         if (os)
 674                 printf(_("OS type: %s\n"), os);
 675         free(os);
 676         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 677                 s->s_log_block_size);
 678         if (ext2fs_has_feature_bigalloc(fs->super))
 679                 printf(_("Cluster size=%u (log=%u)\n"),
 680                        fs->blocksize << fs->cluster_ratio_bits,
 681                        s->s_log_cluster_size);
 682         else
 683                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 684                        s->s_log_cluster_size);
 685         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 686                s->s_raid_stride, s->s_raid_stripe_width);
 687         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 688                ext2fs_blocks_count(s));
 689         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 690                 ext2fs_r_blocks_count(s),
 691                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 692         printf(_("First data block=%u\n"), s->s_first_data_block);
 693         if (root_uid != 0 || root_gid != 0)
 694                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 695         if (s->s_reserved_gdt_blocks)
 696                 printf(_("Maximum filesystem blocks=%lu\n"),
 697                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 698                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 699         if (fs->group_desc_count > 1)
 700                 printf(_("%u block groups\n"), fs->group_desc_count);
 701         else
 702                 printf(_("%u block group\n"), fs->group_desc_count);
 703         if (ext2fs_has_feature_bigalloc(fs->super))
 704                 printf(_("%u blocks per group, %u clusters per group\n"),
 705                        s->s_blocks_per_group, s->s_clusters_per_group);
 706         else
 707                 printf(_("%u blocks per group, %u fragments per group\n"),
 708                        s->s_blocks_per_group, s->s_clusters_per_group);
 709         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 710
 711 skip_details:
 712         if (fs->group_desc_count == 1) {
 713                 printf("\n");
 714                 return;
 715         }
 716
 717         if (!e2p_is_null_uuid(s->s_uuid))
 718                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 719         printf("%s", _("Superblock backups stored on blocks: "));
 720         group_block = s->s_first_data_block;
 721         col_left = 0;
 722         for (i = 1; i < fs->group_desc_count; i++) {
 723                 group_block += s->s_blocks_per_group;
 724                 if (!ext2fs_bg_has_super(fs, i))
 725                         continue;
 726                 if (i != 1)
 727                         printf(", ");
 728                 need = int_log10(group_block) + 2;
 729                 if (need > col_left) {
 730                         printf("\n\t");
 731                         col_left = 72;
 732                 }
 733                 col_left -= need;
 734                 printf("%llu", group_block);
 735         }
 736         printf("\n\n");
 737 }
 738
 739 /*
 740  * Returns true if making a file system for the Hurd, else 0
 741  */
 742 static int for_hurd(const char *os)
 743 {
 744         if (!os) {
 745 #ifdef __GNU__
 746                 return 1;
 747 #else
 748                 return 0;
 749 #endif
 750         }
 751         if (isdigit(*os))
 752                 return (atoi(os) == EXT2_OS_HURD);
 753         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 754 }
 755
 756 /*
 757  * Set the S_CREATOR_OS field.  Return true if OS is known,
 758  * otherwise, 0.
 759  */
 760 static int set_os(struct ext2_super_block *sb, char *os)
 761 {
 762         if (isdigit (*os))
 763                 sb->s_creator_os = atoi (os);
 764         else if (strcasecmp(os, "linux") == 0)
 765                 sb->s_creator_os = EXT2_OS_LINUX;
 766         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 767                 sb->s_creator_os = EXT2_OS_HURD;
 768         else if (strcasecmp(os, "freebsd") == 0)
 769                 sb->s_creator_os = EXT2_OS_FREEBSD;
 770         else if (strcasecmp(os, "lites") == 0)
 771                 sb->s_creator_os = EXT2_OS_LITES;
 772         else
 773                 return 0;
 774         return 1;
 775 }
 776
 777 #define PATH_SET "PATH=/sbin"
 778
 779 static void parse_extended_opts(struct ext2_super_block *param,
 780                                 const char *opts)
 781 {
 782         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 783         int     len;
 784         int     r_usage = 0;
 785         int     ret;
 786
 787         len = strlen(opts);
 788         buf = malloc(len+1);
 789         if (!buf) {
 790                 fprintf(stderr, "%s",
 791                         _("Couldn't allocate memory to parse options!\n"));
 792                 exit(1);
 793         }
 794         strcpy(buf, opts);
 795         for (token = buf; token && *token; token = next) {
 796                 p = strchr(token, ',');
 797                 next = 0;
 798                 if (p) {
 799                         *p = 0;
 800                         next = p+1;
 801                 }
 802                 arg = strchr(token, '=');
 803                 if (arg) {
 804                         *arg = 0;
 805                         arg++;
 806                 }
 807                 if (strcmp(token, "desc-size") == 0 ||
 808                     strcmp(token, "desc_size") == 0) {
 809                         int desc_size;
 810
 811                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 812                                 fprintf(stderr,
 813                                         _("%s requires '-O 64bit'\n"), token);
 814                                 r_usage++;
 815                                 continue;
 816                         }
 817                         if (param->s_reserved_gdt_blocks != 0) {
 818                                 fprintf(stderr,
 819                                         _("'%s' must be before 'resize=%u'\n"),
 820                                         token, param->s_reserved_gdt_blocks);
 821                                 r_usage++;
 822                                 continue;
 823                         }
 824                         if (!arg) {
 825                                 r_usage++;
 826                                 badopt = token;
 827                                 continue;
 828                         }
 829                         desc_size = strtoul(arg, &p, 0);
 830                         if (*p || (desc_size & (desc_size - 1))) {
 831                                 fprintf(stderr,
 832                                         _("Invalid desc_size: '%s'\n"), arg);
 833                                 r_usage++;
 834                                 continue;
 835                         }
 836                         param->s_desc_size = desc_size;
 837                 } else if (strcmp(token, "hash_seed") == 0) {
 838                         if (!arg) {
 839                                 r_usage++;
 840                                 badopt = token;
 841                                 continue;
 842                         }
 843                         if (uuid_parse(arg,
 844                                 (unsigned char *)param->s_hash_seed) != 0) {
 845                                 fprintf(stderr,
 846                                         _("Invalid hash seed: %s\n"), arg);
 847                                 r_usage++;
 848                                 continue;
 849                         }
 850                 } else if (strcmp(token, "offset") == 0) {
 851                         if (!arg) {
 852                                 r_usage++;
 853                                 badopt = token;
 854                                 continue;
 855                         }
 856                         offset = strtoull(arg, &p, 0);
 857                         if (*p) {
 858                                 fprintf(stderr, _("Invalid offset: %s\n"),
 859                                         arg);
 860                                 r_usage++;
 861                                 continue;
 862                         }
 863                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 864                         if (!arg) {
 865                                 r_usage++;
 866                                 badopt = token;
 867                                 continue;
 868                         }
 869                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 870                         if (*p) {
 871                                 fprintf(stderr,
 872                                         _("Invalid mmp_update_interval: %s\n"),
 873                                         arg);
 874                                 r_usage++;
 875                                 continue;
 876                         }
 877                 } else if (strcmp(token, "num_backup_sb") == 0) {
 878                         if (!arg) {
 879                                 r_usage++;
 880                                 badopt = token;
 881                                 continue;
 882                         }
 883                         num_backups = strtoul(arg, &p, 0);
 884                         if (*p || num_backups > 2) {
 885                                 fprintf(stderr,
 886                                         _("Invalid # of backup "
 887                                           "superblocks: %s\n"),
 888                                         arg);
 889                                 r_usage++;
 890                                 continue;
 891                         }
 892                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 893                         if (arg)
 894                                 packed_meta_blocks = strtoul(arg, &p, 0);
 895                         else
 896                                 packed_meta_blocks = 1;
 897                         if (packed_meta_blocks)
 898                                 journal_location = 0;
 899                 } else if (strcmp(token, "stride") == 0) {
 900                         if (!arg) {
 901                                 r_usage++;
 902                                 badopt = token;
 903                                 continue;
 904                         }
 905                         param->s_raid_stride = strtoul(arg, &p, 0);
 906                         if (*p) {
 907                                 fprintf(stderr,
 908                                         _("Invalid stride parameter: %s\n"),
 909                                         arg);
 910                                 r_usage++;
 911                                 continue;
 912                         }
 913                 } else if (strcmp(token, "stripe-width") == 0 ||
 914                            strcmp(token, "stripe_width") == 0) {
 915                         if (!arg) {
 916                                 r_usage++;
 917                                 badopt = token;
 918                                 continue;
 919                         }
 920                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 921                         if (*p) {
 922                                 fprintf(stderr,
 923                                         _("Invalid stripe-width parameter: %s\n"),
 924                                         arg);
 925                                 r_usage++;
 926                                 continue;
 927                         }
 928                 } else if (!strcmp(token, "resize")) {
 929                         blk64_t resize;
 930                         unsigned long bpg, rsv_groups;
 931                         unsigned long group_desc_count, desc_blocks;
 932                         unsigned int gdpb, blocksize;
 933                         int rsv_gdb;
 934
 935                         if (!arg) {
 936                                 r_usage++;
 937                                 badopt = token;
 938                                 continue;
 939                         }
 940
 941                         resize = parse_num_blocks2(arg,
 942                                                    param->s_log_block_size);
 943
 944                         if (resize == 0) {
 945                                 fprintf(stderr,
 946                                         _("Invalid resize parameter: %s\n"),
 947                                         arg);
 948                                 r_usage++;
 949                                 continue;
 950                         }
 951                         if (resize <= ext2fs_blocks_count(param)) {
 952                                 fprintf(stderr, "%s",
 953                                         _("The resize maximum must be greater "
 954                                           "than the filesystem size.\n"));
 955                                 r_usage++;
 956                                 continue;
 957                         }
 958
 959                         blocksize = EXT2_BLOCK_SIZE(param);
 960                         bpg = param->s_blocks_per_group;
 961                         if (!bpg)
 962                                 bpg = blocksize * 8;
 963                         gdpb = EXT2_DESC_PER_BLOCK(param);
 964                         group_desc_count = (__u32) ext2fs_div64_ceil(
 965                                 ext2fs_blocks_count(param), bpg);
 966                         desc_blocks = (group_desc_count +
 967                                        gdpb - 1) / gdpb;
 968                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 969                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 970                                 desc_blocks;
 971                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 972                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 973
 974                         if (rsv_gdb > 0) {
 975                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 976                                         fprintf(stderr, "%s",
 977         _("On-line resizing not supported with revision 0 filesystems\n"));
 978                                         free(buf);
 979                                         exit(1);
 980                                 }
 981                                 ext2fs_set_feature_resize_inode(param);
 982
 983                                 param->s_reserved_gdt_blocks = rsv_gdb;
 984                         }
 985                 } else if (!strcmp(token, "test_fs")) {
 986                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 987                 } else if (!strcmp(token, "lazy_itable_init")) {
 988                         if (arg)
 989                                 lazy_itable_init = strtoul(arg, &p, 0);
 990                         else
 991                                 lazy_itable_init = 1;
 992                 } else if (!strcmp(token, "lazy_journal_init")) {
 993                         if (arg)
 994                                 journal_flags |= strtoul(arg, &p, 0) ?
 995                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
 996                         else
 997                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
 998                 } else if (!strcmp(token, "root_owner")) {
 999                         if (arg) {
1000                                 root_uid = strtoul(arg, &p, 0);
1001                                 if (*p != ':') {
1002                                         fprintf(stderr,
1003                                                 _("Invalid root_owner: '%s'\n"),
1004                                                 arg);
1005                                         r_usage++;
1006                                         continue;
1007                                 }
1008                                 p++;
1009                                 root_gid = strtoul(p, &p, 0);
1010                                 if (*p) {
1011                                         fprintf(stderr,
1012                                                 _("Invalid root_owner: '%s'\n"),
1013                                                 arg);
1014                                         r_usage++;
1015                                         continue;
1016                                 }
1017                         } else {
1018                                 root_uid = getuid();
1019                                 root_gid = getgid();
1020                         }
1021                 } else if (!strcmp(token, "discard")) {
1022                         discard = 1;
1023                 } else if (!strcmp(token, "nodiscard")) {
1024                         discard = 0;
1025                 } else if (!strcmp(token, "quotatype")) {
1026                         char *errtok = NULL;
1027
1028                         if (!arg) {
1029                                 r_usage++;
1030                                 badopt = token;
1031                                 continue;
1032                         }
1033                         quotatype_bits = 0;
1034                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1035                         if (ret) {
1036                                 if (errtok) {
1037                                         fprintf(stderr,
1038                                 "Failed to parse quota type at %s", errtok);
1039                                         free(errtok);
1040                                 } else
1041                                         com_err(program_name, ret,
1042                                                 "while parsing quota type");
1043                                 r_usage++;
1044                                 badopt = token;
1045                                 continue;
1046                         }
1047                 } else if (!strcmp(token, "android_sparse")) {
1048                         android_sparse_file = 1;
1049                 } else {
1050                         r_usage++;
1051                         badopt = token;
1052                 }
1053         }
1054         if (r_usage) {
1055                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1056                         "Extended options are separated by commas, "
1057                         "and may take an argument which\n"
1058                         "\tis set off by an equals ('=') sign.\n\n"
1059                         "Valid extended options are:\n"
1060                         "\tmmp_update_interval=<interval>\n"
1061                         "\tnum_backup_sb=<0|1|2>\n"
1062                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1063                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1064                         "\toffset=<offset to create the file system>\n"
1065                         "\tresize=<resize maximum size in blocks>\n"
1066                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1067                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1068                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1069                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1070                         "\ttest_fs\n"
1071                         "\tdiscard\n"
1072                         "\tnodiscard\n"
1073                         "\tquotatype=<quota type(s) to be enabled>\n\n"),
1074                         badopt ? badopt : "");
1075                 free(buf);
1076                 exit(1);
1077         }
1078         if (param->s_raid_stride &&
1079             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1080                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1081                                   "multiple of stride %u.\n\n"),
1082                         param->s_raid_stripe_width, param->s_raid_stride);
1083
1084         free(buf);
1085 }
1086
1087 static __u32 ok_features[3] = {
1088         /* Compat */
1089         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1090                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1091                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1092                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1093                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1094         /* Incompat */
1095         EXT2_FEATURE_INCOMPAT_FILETYPE|
1096                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1097                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1098                 EXT2_FEATURE_INCOMPAT_META_BG|
1099                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1100                 EXT4_FEATURE_INCOMPAT_EA_INODE|
1101                 EXT4_FEATURE_INCOMPAT_MMP |
1102                 EXT4_FEATURE_INCOMPAT_64BIT|
1103                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1104                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1105                 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1106                 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1107         /* R/O compat */
1108         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1109                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1110                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1111                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1112                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1113                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1114                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1115                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1116                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1117                 EXT4_FEATURE_RO_COMPAT_PROJECT
1118 };
1119
1120
1121 static void syntax_err_report(const char *filename, long err, int line_num)
1122 {
1123         fprintf(stderr,
1124                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1125                 filename, line_num, error_message(err));
1126         exit(1);
1127 }
1128
1129 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1130
1131 static void edit_feature(const char *str, __u32 *compat_array)
1132 {
1133         if (!str)
1134                 return;
1135
1136         if (e2p_edit_feature(str, compat_array, ok_features)) {
1137                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1138                         str);
1139                 exit(1);
1140         }
1141 }
1142
1143 static void edit_mntopts(const char *str, __u32 *mntopts)
1144 {
1145         if (!str)
1146                 return;
1147
1148         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1149                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1150                         str);
1151                 exit(1);
1152         }
1153 }
1154
1155 struct str_list {
1156         char **list;
1157         int num;
1158         int max;
1159 };
1160
1161 static errcode_t init_list(struct str_list *sl)
1162 {
1163         sl->num = 0;
1164         sl->max = 1;
1165         sl->list = malloc((sl->max+1) * sizeof(char *));
1166         if (!sl->list)
1167                 return ENOMEM;
1168         sl->list[0] = 0;
1169         return 0;
1170 }
1171
1172 static errcode_t push_string(struct str_list *sl, const char *str)
1173 {
1174         char **new_list;
1175
1176         if (sl->num >= sl->max) {
1177                 sl->max += 2;
1178                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1179                 if (!new_list)
1180                         return ENOMEM;
1181                 sl->list = new_list;
1182         }
1183         sl->list[sl->num] = malloc(strlen(str)+1);
1184         if (sl->list[sl->num] == 0)
1185                 return ENOMEM;
1186         strcpy(sl->list[sl->num], str);
1187         sl->num++;
1188         sl->list[sl->num] = 0;
1189         return 0;
1190 }
1191
1192 static void print_str_list(char **list)
1193 {
1194         char **cpp;
1195
1196         for (cpp = list; *cpp; cpp++) {
1197                 printf("'%s'", *cpp);
1198                 if (cpp[1])
1199                         fputs(", ", stdout);
1200         }
1201         fputc('\n', stdout);
1202 }
1203
1204 /*
1205  * Return TRUE if the profile has the given subsection
1206  */
1207 static int profile_has_subsection(profile_t prof, const char *section,
1208                                   const char *subsection)
1209 {
1210         void                    *state;
1211         const char              *names[4];
1212         char                    *name;
1213         int                     ret = 0;
1214
1215         names[0] = section;
1216         names[1] = subsection;
1217         names[2] = 0;
1218
1219         if (profile_iterator_create(prof, names,
1220                                     PROFILE_ITER_LIST_SECTION |
1221                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1222                 return 0;
1223
1224         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1225                 free(name);
1226                 ret = 1;
1227         }
1228
1229         profile_iterator_free(&state);
1230         return ret;
1231 }
1232
1233 static char **parse_fs_type(const char *fs_type,
1234                             const char *usage_types,
1235                             struct ext2_super_block *sb,
1236                             blk64_t fs_blocks_count,
1237                             char *progname)
1238 {
1239         const char      *ext_type = 0;
1240         char            *parse_str;
1241         char            *profile_type = 0;
1242         char            *cp, *t;
1243         const char      *size_type;
1244         struct str_list list;
1245         unsigned long long meg;
1246         int             is_hurd = for_hurd(creator_os);
1247
1248         if (init_list(&list))
1249                 return 0;
1250
1251         if (fs_type)
1252                 ext_type = fs_type;
1253         else if (is_hurd)
1254                 ext_type = "ext2";
1255         else if (!strcmp(program_name, "mke3fs"))
1256                 ext_type = "ext3";
1257         else if (!strcmp(program_name, "mke4fs"))
1258                 ext_type = "ext4";
1259         else if (progname) {
1260                 ext_type = strrchr(progname, '/');
1261                 if (ext_type)
1262                         ext_type++;
1263                 else
1264                         ext_type = progname;
1265
1266                 if (!strncmp(ext_type, "mkfs.", 5)) {
1267                         ext_type += 5;
1268                         if (ext_type[0] == 0)
1269                                 ext_type = 0;
1270                 } else
1271                         ext_type = 0;
1272         }
1273
1274         if (!ext_type) {
1275                 profile_get_string(profile, "defaults", "fs_type", 0,
1276                                    "ext2", &profile_type);
1277                 ext_type = profile_type;
1278                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1279                         ext_type = "ext3";
1280         }
1281
1282
1283         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1284             strcmp(ext_type, "ext2")) {
1285                 printf(_("\nYour mke2fs.conf file does not define the "
1286                          "%s filesystem type.\n"), ext_type);
1287                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1288                     !strcmp(ext_type, "ext4dev")) {
1289                         printf("%s", _("You probably need to install an "
1290                                        "updated mke2fs.conf file.\n\n"));
1291                 }
1292                 if (!force) {
1293                         printf("%s", _("Aborting...\n"));
1294                         exit(1);
1295                 }
1296         }
1297
1298         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1299         if (fs_blocks_count < 3 * meg)
1300                 size_type = "floppy";
1301         else if (fs_blocks_count < 512 * meg)
1302                 size_type = "small";
1303         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1304                 size_type = "default";
1305         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1306                 size_type = "big";
1307         else
1308                 size_type = "huge";
1309
1310         if (!usage_types)
1311                 usage_types = size_type;
1312
1313         parse_str = malloc(strlen(usage_types)+1);
1314         if (!parse_str) {
1315                 free(profile_type);
1316                 free(list.list);
1317                 return 0;
1318         }
1319         strcpy(parse_str, usage_types);
1320
1321         if (ext_type)
1322                 push_string(&list, ext_type);
1323         cp = parse_str;
1324         while (1) {
1325                 t = strchr(cp, ',');
1326                 if (t)
1327                         *t = '\0';
1328
1329                 if (*cp) {
1330                         if (profile_has_subsection(profile, "fs_types", cp))
1331                                 push_string(&list, cp);
1332                         else if (strcmp(cp, "default") != 0)
1333                                 fprintf(stderr,
1334                                         _("\nWarning: the fs_type %s is not "
1335                                           "defined in mke2fs.conf\n\n"),
1336                                         cp);
1337                 }
1338                 if (t)
1339                         cp = t+1;
1340                 else
1341                         break;
1342         }
1343         free(parse_str);
1344         free(profile_type);
1345         if (is_hurd)
1346                 push_string(&list, "hurd");
1347         return (list.list);
1348 }
1349
1350 char *get_string_from_profile(char **types, const char *opt,
1351                                      const char *def_val)
1352 {
1353         char *ret = 0;
1354         int i;
1355
1356         for (i=0; types[i]; i++);
1357         for (i-=1; i >=0 ; i--) {
1358                 profile_get_string(profile, "fs_types", types[i],
1359                                    opt, 0, &ret);
1360                 if (ret)
1361                         return ret;
1362         }
1363         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1364         return (ret);
1365 }
1366
1367 int get_int_from_profile(char **types, const char *opt, int def_val)
1368 {
1369         int ret;
1370         char **cpp;
1371
1372         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1373         for (cpp = types; *cpp; cpp++)
1374                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1375         return ret;
1376 }
1377
1378 static unsigned int get_uint_from_profile(char **types, const char *opt,
1379                                         unsigned int def_val)
1380 {
1381         unsigned int ret;
1382         char **cpp;
1383
1384         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1385         for (cpp = types; *cpp; cpp++)
1386                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1387         return ret;
1388 }
1389
1390 static double get_double_from_profile(char **types, const char *opt,
1391                                       double def_val)
1392 {
1393         double ret;
1394         char **cpp;
1395
1396         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1397         for (cpp = types; *cpp; cpp++)
1398                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1399         return ret;
1400 }
1401
1402 int get_bool_from_profile(char **types, const char *opt, int def_val)
1403 {
1404         int ret;
1405         char **cpp;
1406
1407         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1408         for (cpp = types; *cpp; cpp++)
1409                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1410         return ret;
1411 }
1412
1413 extern const char *mke2fs_default_profile;
1414 static const char *default_files[] = { "<default>", 0 };
1415
1416 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1417 /*
1418  * Sets the geometry of a device (stripe/stride), and returns the
1419  * device's alignment offset, if any, or a negative error.
1420  */
1421 static int get_device_geometry(const char *file,
1422                                struct ext2_super_block *param,
1423                                unsigned int psector_size)
1424 {
1425         int rc = -1;
1426         unsigned int blocksize;
1427         blkid_probe pr;
1428         blkid_topology tp;
1429         unsigned long min_io;
1430         unsigned long opt_io;
1431         struct stat statbuf;
1432
1433         /* Nothing to do for a regular file */
1434         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1435                 return 0;
1436
1437         pr = blkid_new_probe_from_filename(file);
1438         if (!pr)
1439                 goto out;
1440
1441         tp = blkid_probe_get_topology(pr);
1442         if (!tp)
1443                 goto out;
1444
1445         min_io = blkid_topology_get_minimum_io_size(tp);
1446         opt_io = blkid_topology_get_optimal_io_size(tp);
1447         blocksize = EXT2_BLOCK_SIZE(param);
1448         if ((min_io == 0) && (psector_size > blocksize))
1449                 min_io = psector_size;
1450         if ((opt_io == 0) && min_io)
1451                 opt_io = min_io;
1452         if ((opt_io == 0) && (psector_size > blocksize))
1453                 opt_io = psector_size;
1454
1455         /* setting stripe/stride to blocksize is pointless */
1456         if (min_io > blocksize)
1457                 param->s_raid_stride = min_io / blocksize;
1458         if (opt_io > blocksize)
1459                 param->s_raid_stripe_width = opt_io / blocksize;
1460
1461         rc = blkid_topology_get_alignment_offset(tp);
1462 out:
1463         blkid_free_probe(pr);
1464         return rc;
1465 }
1466 #endif
1467
1468 static void PRS(int argc, char *argv[])
1469 {
1470         int             b, c, flags;
1471         int             cluster_size = 0;
1472         char            *tmp, **cpp;
1473         int             explicit_fssize = 0;
1474         int             blocksize = 0;
1475         int             inode_ratio = 0;
1476         int             inode_size = 0;
1477         unsigned long   flex_bg_size = 0;
1478         double          reserved_ratio = -1.0;
1479         int             lsector_size = 0, psector_size = 0;
1480         int             show_version_only = 0, is_device = 0;
1481         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1482         errcode_t       retval;
1483         char *          oldpath = getenv("PATH");
1484         char *          extended_opts = 0;
1485         char *          fs_type = 0;
1486         char *          usage_types = 0;
1487         /*
1488          * NOTE: A few words about fs_blocks_count and blocksize:
1489          *
1490          * Initially, blocksize is set to zero, which implies 1024.
1491          * If -b is specified, blocksize is updated to the user's value.
1492          *
1493          * Next, the device size or the user's "blocks" command line argument
1494          * is used to set fs_blocks_count; the units are blocksize.
1495          *
1496          * Later, if blocksize hasn't been set and the profile specifies a
1497          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1498          * appropriately.  Note the change in units!
1499          *
1500          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1501          */
1502         blk64_t         fs_blocks_count = 0;
1503         long            sysval;
1504         int             s_opt = -1, r_opt = -1;
1505         char            *fs_features = 0;
1506         int             fs_features_size = 0;
1507         int             use_bsize;
1508         char            *newpath;
1509         int             pathlen = sizeof(PATH_SET) + 1;
1510
1511         if (oldpath)
1512                 pathlen += strlen(oldpath);
1513         newpath = malloc(pathlen);
1514         if (!newpath) {
1515                 fprintf(stderr, "%s",
1516                         _("Couldn't allocate memory for new PATH.\n"));
1517                 exit(1);
1518         }
1519         strcpy(newpath, PATH_SET);
1520
1521         /* Update our PATH to include /sbin  */
1522         if (oldpath) {
1523                 strcat (newpath, ":");
1524                 strcat (newpath, oldpath);
1525         }
1526         putenv (newpath);
1527
1528         /* Determine the system page size if possible */
1529 #ifdef HAVE_SYSCONF
1530 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1531 #define _SC_PAGESIZE _SC_PAGE_SIZE
1532 #endif
1533 #ifdef _SC_PAGESIZE
1534         sysval = sysconf(_SC_PAGESIZE);
1535         if (sysval > 0)
1536                 sys_page_size = sysval;
1537 #endif /* _SC_PAGESIZE */
1538 #endif /* HAVE_SYSCONF */
1539
1540         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1541                 config_fn[0] = tmp;
1542         profile_set_syntax_err_cb(syntax_err_report);
1543         retval = profile_init(config_fn, &profile);
1544         if (retval == ENOENT) {
1545                 retval = profile_init(default_files, &profile);
1546                 if (retval)
1547                         goto profile_error;
1548                 retval = profile_set_default(profile, mke2fs_default_profile);
1549                 if (retval)
1550                         goto profile_error;
1551         } else if (retval) {
1552 profile_error:
1553                 fprintf(stderr, _("Couldn't init profile successfully"
1554                                   " (error: %ld).\n"), retval);
1555                 exit(1);
1556         }
1557
1558         setbuf(stdout, NULL);
1559         setbuf(stderr, NULL);
1560         add_error_table(&et_ext2_error_table);
1561         add_error_table(&et_prof_error_table);
1562         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1563         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1564
1565         if (is_before_linux_ver(2, 2, 0))
1566                 fs_param.s_rev_level = 0;
1567
1568         if (argc && *argv) {
1569                 program_name = get_progname(*argv);
1570
1571                 /* If called as mkfs.ext3, create a journal inode */
1572                 if (!strcmp(program_name, "mkfs.ext3") ||
1573                     !strcmp(program_name, "mke3fs"))
1574                         journal_size = -1;
1575         }
1576
1577         while ((c = getopt (argc, argv,
1578                     "b:cd:e:g:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:Vz:")) != EOF) {
1579                 switch (c) {
1580                 case 'b':
1581                         blocksize = parse_num_blocks2(optarg, -1);
1582                         b = (blocksize > 0) ? blocksize : -blocksize;
1583                         if (b < EXT2_MIN_BLOCK_SIZE ||
1584                             b > EXT2_MAX_BLOCK_SIZE) {
1585                                 com_err(program_name, 0,
1586                                         _("invalid block size - %s"), optarg);
1587                                 exit(1);
1588                         }
1589                         if (blocksize > 4096)
1590                                 fprintf(stderr, _("Warning: blocksize %d not "
1591                                                   "usable on most systems.\n"),
1592                                         blocksize);
1593                         if (blocksize > 0)
1594                                 fs_param.s_log_block_size =
1595                                         int_log2(blocksize >>
1596                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1597                         break;
1598                 case 'c':       /* Check for bad blocks */
1599                         cflag++;
1600                         break;
1601                 case 'C':
1602                         cluster_size = parse_num_blocks2(optarg, -1);
1603                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1604                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1605                                 com_err(program_name, 0,
1606                                         _("invalid cluster size - %s"),
1607                                         optarg);
1608                                 exit(1);
1609                         }
1610                         break;
1611                 case 'd':
1612                         src_root_dir = optarg;
1613                         break;
1614                 case 'D':
1615                         direct_io = 1;
1616                         break;
1617                 case 'R':
1618                         com_err(program_name, 0, "%s",
1619                                 _("'-R' is deprecated, use '-E' instead"));
1620                         /* fallthrough */
1621                 case 'E':
1622                         extended_opts = optarg;
1623                         break;
1624                 case 'e':
1625                         if (strcmp(optarg, "continue") == 0)
1626                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1627                         else if (strcmp(optarg, "remount-ro") == 0)
1628                                 errors_behavior = EXT2_ERRORS_RO;
1629                         else if (strcmp(optarg, "panic") == 0)
1630                                 errors_behavior = EXT2_ERRORS_PANIC;
1631                         else {
1632                                 com_err(program_name, 0,
1633                                         _("bad error behavior - %s"),
1634                                         optarg);
1635                                 usage();
1636                         }
1637                         break;
1638                 case 'F':
1639                         force++;
1640                         break;
1641                 case 'g':
1642                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1643                         if (*tmp) {
1644                                 com_err(program_name, 0, "%s",
1645                                 _("Illegal number for blocks per group"));
1646                                 exit(1);
1647                         }
1648                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1649                                 com_err(program_name, 0, "%s",
1650                                 _("blocks per group must be multiple of 8"));
1651                                 exit(1);
1652                         }
1653                         break;
1654                 case 'G':
1655                         flex_bg_size = strtoul(optarg, &tmp, 0);
1656                         if (*tmp) {
1657                                 com_err(program_name, 0, "%s",
1658                                         _("Illegal number for flex_bg size"));
1659                                 exit(1);
1660                         }
1661                         if (flex_bg_size < 1 ||
1662                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1663                                 com_err(program_name, 0, "%s",
1664                                         _("flex_bg size must be a power of 2"));
1665                                 exit(1);
1666                         }
1667                         if (flex_bg_size > MAX_32_NUM) {
1668                                 com_err(program_name, 0,
1669                                 _("flex_bg size (%lu) must be less than"
1670                                 " or equal to 2^31"), flex_bg_size);
1671                                 exit(1);
1672                         }
1673                         break;
1674                 case 'i':
1675                         inode_ratio = parse_num_blocks(optarg, -1);
1676                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1677                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1678                                 com_err(program_name, 0,
1679                                         _("invalid inode ratio %s (min %d/max %d)"),
1680                                         optarg, EXT2_MIN_BLOCK_SIZE,
1681                                         EXT2_MAX_BLOCK_SIZE * 1024);
1682                                 exit(1);
1683                         }
1684                         break;
1685                 case 'I':
1686                         inode_size = strtoul(optarg, &tmp, 0);
1687                         if (*tmp) {
1688                                 com_err(program_name, 0,
1689                                         _("invalid inode size - %s"), optarg);
1690                                 exit(1);
1691                         }
1692                         break;
1693                 case 'j':
1694                         if (!journal_size)
1695                                 journal_size = -1;
1696                         break;
1697                 case 'J':
1698                         parse_journal_opts(optarg);
1699                         break;
1700                 case 'K':
1701                         fprintf(stderr, "%s",
1702                                 _("Warning: -K option is deprecated and "
1703                                   "should not be used anymore. Use "
1704                                   "\'-E nodiscard\' extended option "
1705                                   "instead!\n"));
1706                         discard = 0;
1707                         break;
1708                 case 'l':
1709                         bad_blocks_filename = realloc(bad_blocks_filename,
1710                                                       strlen(optarg) + 1);
1711                         if (!bad_blocks_filename) {
1712                                 com_err(program_name, ENOMEM, "%s",
1713                                         _("in malloc for bad_blocks_filename"));
1714                                 exit(1);
1715                         }
1716                         strcpy(bad_blocks_filename, optarg);
1717                         break;
1718                 case 'L':
1719                         volume_label = optarg;
1720                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1721                                 volume_label[EXT2_LABEL_LEN] = '\0';
1722                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1723                                         volume_label);
1724                         }
1725                         break;
1726                 case 'm':
1727                         reserved_ratio = strtod(optarg, &tmp);
1728                         if ( *tmp || reserved_ratio > 50 ||
1729                              reserved_ratio < 0) {
1730                                 com_err(program_name, 0,
1731                                         _("invalid reserved blocks percent - %s"),
1732                                         optarg);
1733                                 exit(1);
1734                         }
1735                         break;
1736                 case 'M':
1737                         mount_dir = optarg;
1738                         break;
1739                 case 'n':
1740                         noaction++;
1741                         break;
1742                 case 'N':
1743                         num_inodes = strtoul(optarg, &tmp, 0);
1744                         if (*tmp) {
1745                                 com_err(program_name, 0,
1746                                         _("bad num inodes - %s"), optarg);
1747                                         exit(1);
1748                         }
1749                         break;
1750                 case 'o':
1751                         creator_os = optarg;
1752                         break;
1753                 case 'O':
1754                         retval = ext2fs_resize_mem(fs_features_size,
1755                                    fs_features_size + 1 + strlen(optarg),
1756                                                    &fs_features);
1757                         if (retval) {
1758                                 com_err(program_name, retval,
1759                                      _("while allocating fs_feature string"));
1760                                 exit(1);
1761                         }
1762                         if (fs_features_size)
1763                                 strcat(fs_features, ",");
1764                         else
1765                                 fs_features[0] = 0;
1766                         strcat(fs_features, optarg);
1767                         fs_features_size += 1 + strlen(optarg);
1768                         break;
1769                 case 'q':
1770                         quiet = 1;
1771                         break;
1772                 case 'r':
1773                         r_opt = strtoul(optarg, &tmp, 0);
1774                         if (*tmp) {
1775                                 com_err(program_name, 0,
1776                                         _("bad revision level - %s"), optarg);
1777                                 exit(1);
1778                         }
1779                         if (r_opt > EXT2_MAX_SUPP_REV) {
1780                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1781                                         _("while trying to create revision %d"), r_opt);
1782                                 exit(1);
1783                         }
1784                         fs_param.s_rev_level = r_opt;
1785                         break;
1786                 case 's':       /* deprecated */
1787                         s_opt = atoi(optarg);
1788                         break;
1789                 case 'S':
1790                         super_only = 1;
1791                         break;
1792                 case 't':
1793                         if (fs_type) {
1794                                 com_err(program_name, 0, "%s",
1795                                     _("The -t option may only be used once"));
1796                                 exit(1);
1797                         }
1798                         fs_type = strdup(optarg);
1799                         break;
1800                 case 'T':
1801                         if (usage_types) {
1802                                 com_err(program_name, 0, "%s",
1803                                     _("The -T option may only be used once"));
1804                                 exit(1);
1805                         }
1806                         usage_types = strdup(optarg);
1807                         break;
1808                 case 'U':
1809                         fs_uuid = optarg;
1810                         break;
1811                 case 'v':
1812                         verbose = 1;
1813                         break;
1814                 case 'V':
1815                         /* Print version number and exit */
1816                         show_version_only++;
1817                         break;
1818                 case 'z':
1819                         undo_file = optarg;
1820                         break;
1821                 default:
1822                         usage();
1823                 }
1824         }
1825         if ((optind == argc) && !show_version_only)
1826                 usage();
1827         device_name = argv[optind++];
1828
1829         if (!quiet || show_version_only)
1830                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1831                          E2FSPROGS_DATE);
1832
1833         if (show_version_only) {
1834                 fprintf(stderr, _("\tUsing %s\n"),
1835                         error_message(EXT2_ET_BASE));
1836                 exit(0);
1837         }
1838
1839         /*
1840          * If there's no blocksize specified and there is a journal
1841          * device, use it to figure out the blocksize
1842          */
1843         if (blocksize <= 0 && journal_device) {
1844                 ext2_filsys     jfs;
1845                 io_manager      io_ptr;
1846
1847 #ifdef CONFIG_TESTIO_DEBUG
1848                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1849                         io_ptr = test_io_manager;
1850                         test_io_backing_manager = unix_io_manager;
1851                 } else
1852 #endif
1853                         io_ptr = unix_io_manager;
1854                 retval = ext2fs_open(journal_device,
1855                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1856                                      0, io_ptr, &jfs);
1857                 if (retval) {
1858                         com_err(program_name, retval,
1859                                 _("while trying to open journal device %s\n"),
1860                                 journal_device);
1861                         exit(1);
1862                 }
1863                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1864                         com_err(program_name, 0,
1865                                 _("Journal dev blocksize (%d) smaller than "
1866                                   "minimum blocksize %d\n"), jfs->blocksize,
1867                                 -blocksize);
1868                         exit(1);
1869                 }
1870                 blocksize = jfs->blocksize;
1871                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1872                 fs_param.s_log_block_size =
1873                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1874                 ext2fs_close_free(&jfs);
1875         }
1876
1877         if (optind < argc) {
1878                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1879                                                    fs_param.s_log_block_size);
1880                 if (!fs_blocks_count) {
1881                         com_err(program_name, 0,
1882                                 _("invalid blocks '%s' on device '%s'"),
1883                                 argv[optind - 1], device_name);
1884                         exit(1);
1885                 }
1886         }
1887         if (optind < argc)
1888                 usage();
1889
1890         profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1891                             &sync_kludge);
1892         tmp = getenv("MKE2FS_SYNC");
1893         if (tmp)
1894                 sync_kludge = atoi(tmp);
1895
1896         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1897                             &proceed_delay);
1898
1899         /* The isatty() test is so we don't break existing scripts */
1900         flags = CREATE_FILE;
1901         if (isatty(0) && isatty(1) && !offset)
1902                 flags |= CHECK_FS_EXIST;
1903         if (!quiet)
1904                 flags |= VERBOSE_CREATE;
1905         if (fs_blocks_count == 0)
1906                 flags |= NO_SIZE;
1907         else
1908                 explicit_fssize = 1;
1909         if (!check_plausibility(device_name, flags, &is_device) && !force)
1910                 proceed_question(proceed_delay);
1911
1912         check_mount(device_name, force, _("filesystem"));
1913
1914         /* Determine the size of the device (if possible) */
1915         if (noaction && fs_blocks_count) {
1916                 dev_size = fs_blocks_count;
1917                 retval = 0;
1918         } else
1919 #ifndef _WIN32
1920                 retval = ext2fs_get_device_size2(device_name,
1921                                                  EXT2_BLOCK_SIZE(&fs_param),
1922                                                  &dev_size);
1923 #else
1924                 retval = ext2fs_get_device_size(device_name,
1925                                                 EXT2_BLOCK_SIZE(&fs_param),
1926                                                 &dev_size);
1927 #endif
1928         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1929                 com_err(program_name, retval, "%s",
1930                         _("while trying to determine filesystem size"));
1931                 exit(1);
1932         }
1933         if (!fs_blocks_count) {
1934                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1935                         com_err(program_name, 0, "%s",
1936                                 _("Couldn't determine device size; you "
1937                                 "must specify\nthe size of the "
1938                                 "filesystem\n"));
1939                         exit(1);
1940                 } else {
1941                         if (dev_size == 0) {
1942                                 com_err(program_name, 0, "%s",
1943                                 _("Device size reported to be zero.  "
1944                                   "Invalid partition specified, or\n\t"
1945                                   "partition table wasn't reread "
1946                                   "after running fdisk, due to\n\t"
1947                                   "a modified partition being busy "
1948                                   "and in use.  You may need to reboot\n\t"
1949                                   "to re-read your partition table.\n"
1950                                   ));
1951                                 exit(1);
1952                         }
1953                         fs_blocks_count = dev_size;
1954                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1955                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1956                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1957                 }
1958         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1959                 com_err(program_name, 0, "%s",
1960                         _("Filesystem larger than apparent device size."));
1961                 proceed_question(proceed_delay);
1962         }
1963
1964         if (!fs_type)
1965                 profile_get_string(profile, "devices", device_name,
1966                                    "fs_type", 0, &fs_type);
1967         if (!usage_types)
1968                 profile_get_string(profile, "devices", device_name,
1969                                    "usage_types", 0, &usage_types);
1970
1971         /*
1972          * We have the file system (or device) size, so we can now
1973          * determine the appropriate file system types so the fs can
1974          * be appropriately configured.
1975          */
1976         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1977                                  fs_blocks_count ? fs_blocks_count : dev_size,
1978                                  argv[0]);
1979         if (!fs_types) {
1980                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1981                 exit(1);
1982         }
1983
1984         /* Figure out what features should be enabled */
1985
1986         tmp = NULL;
1987         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1988                 tmp = get_string_from_profile(fs_types, "base_features",
1989                       "sparse_super,large_file,filetype,resize_inode,dir_index");
1990                 edit_feature(tmp, &fs_param.s_feature_compat);
1991                 free(tmp);
1992
1993                 /* And which mount options as well */
1994                 tmp = get_string_from_profile(fs_types, "default_mntopts",
1995                                               "acl,user_xattr");
1996                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
1997                 if (tmp)
1998                         free(tmp);
1999
2000                 for (cpp = fs_types; *cpp; cpp++) {
2001                         tmp = NULL;
2002                         profile_get_string(profile, "fs_types", *cpp,
2003                                            "features", "", &tmp);
2004                         if (tmp && *tmp)
2005                                 edit_feature(tmp, &fs_param.s_feature_compat);
2006                         if (tmp)
2007                                 free(tmp);
2008                 }
2009                 tmp = get_string_from_profile(fs_types, "default_features",
2010                                               "");
2011         }
2012         /* Mask off features which aren't supported by the Hurd */
2013         if (for_hurd(creator_os)) {
2014                 ext2fs_clear_feature_filetype(&fs_param);
2015                 ext2fs_clear_feature_huge_file(&fs_param);
2016                 ext2fs_clear_feature_metadata_csum(&fs_param);
2017                 ext2fs_clear_feature_ea_inode(&fs_param);
2018         }
2019         edit_feature(fs_features ? fs_features : tmp,
2020                      &fs_param.s_feature_compat);
2021         if (tmp)
2022                 free(tmp);
2023         (void) ext2fs_free_mem(&fs_features);
2024         /*
2025          * If the user specified features incompatible with the Hurd, complain
2026          */
2027         if (for_hurd(creator_os)) {
2028                 if (ext2fs_has_feature_filetype(&fs_param)) {
2029                         fprintf(stderr, "%s", _("The HURD does not support the "
2030                                                 "filetype feature.\n"));
2031                         exit(1);
2032                 }
2033                 if (ext2fs_has_feature_huge_file(&fs_param)) {
2034                         fprintf(stderr, "%s", _("The HURD does not support the "
2035                                                 "huge_file feature.\n"));
2036                         exit(1);
2037                 }
2038                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2039                         fprintf(stderr, "%s", _("The HURD does not support the "
2040                                                 "metadata_csum feature.\n"));
2041                         exit(1);
2042                 }
2043                 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2044                         fprintf(stderr, "%s", _("The HURD does not support the "
2045                                                 "ea_inode feature.\n"));
2046                         exit(1);
2047                 }
2048         }
2049
2050         /* Get the hardware sector sizes, if available */
2051         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2052         if (retval) {
2053                 com_err(program_name, retval, "%s",
2054                         _("while trying to determine hardware sector size"));
2055                 exit(1);
2056         }
2057         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2058         if (retval) {
2059                 com_err(program_name, retval, "%s",
2060                         _("while trying to determine physical sector size"));
2061                 exit(1);
2062         }
2063
2064         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2065         if (tmp != NULL)
2066                 lsector_size = atoi(tmp);
2067         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2068         if (tmp != NULL)
2069                 psector_size = atoi(tmp);
2070
2071         /* Older kernels may not have physical/logical distinction */
2072         if (!psector_size)
2073                 psector_size = lsector_size;
2074
2075         if (blocksize <= 0) {
2076                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2077
2078                 if (use_bsize == -1) {
2079                         use_bsize = sys_page_size;
2080                         if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2081                                 use_bsize = 4096;
2082                 }
2083                 if (lsector_size && use_bsize < lsector_size)
2084                         use_bsize = lsector_size;
2085                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2086                         use_bsize = -blocksize;
2087                 blocksize = use_bsize;
2088                 fs_blocks_count /= (blocksize / 1024);
2089         } else {
2090                 if (blocksize < lsector_size) {                 /* Impossible */
2091                         com_err(program_name, EINVAL, "%s",
2092                                 _("while setting blocksize; too small "
2093                                   "for device\n"));
2094                         exit(1);
2095                 } else if ((blocksize < psector_size) &&
2096                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2097                         fprintf(stderr, _("Warning: specified blocksize %d is "
2098                                 "less than device physical sectorsize %d\n"),
2099                                 blocksize, psector_size);
2100                 }
2101         }
2102
2103         fs_param.s_log_block_size =
2104                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2105
2106         /*
2107          * We now need to do a sanity check of fs_blocks_count for
2108          * 32-bit vs 64-bit block number support.
2109          */
2110         if ((fs_blocks_count > MAX_32_NUM) &&
2111             ext2fs_has_feature_64bit(&fs_param))
2112                 ext2fs_clear_feature_resize_inode(&fs_param);
2113         if ((fs_blocks_count > MAX_32_NUM) &&
2114             !ext2fs_has_feature_64bit(&fs_param) &&
2115             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2116                 ext2fs_set_feature_64bit(&fs_param);
2117                 ext2fs_clear_feature_resize_inode(&fs_param);
2118         }
2119         if ((fs_blocks_count > MAX_32_NUM) &&
2120             !ext2fs_has_feature_64bit(&fs_param)) {
2121                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2122                                   "too big to be expressed\n\t"
2123                                   "in 32 bits using a blocksize of %d.\n"),
2124                         program_name, fs_blocks_count, device_name,
2125                         EXT2_BLOCK_SIZE(&fs_param));
2126                 exit(1);
2127         }
2128         /*
2129          * Guard against group descriptor count overflowing... Mostly to avoid
2130          * strange results for absurdly large devices.
2131          */
2132         if (fs_blocks_count > ((1ULL << (fs_param.s_log_block_size + 3 + 32)) - 1)) {
2133                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2134                                   "too big to create\n\t"
2135                                   "a filesystem using a blocksize of %d.\n"),
2136                         program_name, fs_blocks_count, device_name,
2137                         EXT2_BLOCK_SIZE(&fs_param));
2138                 exit(1);
2139         }
2140
2141         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2142
2143         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2144                 int i;
2145
2146                 for (i=0; fs_types[i]; i++) {
2147                         free(fs_types[i]);
2148                         fs_types[i] = 0;
2149                 }
2150                 fs_types[0] = strdup("journal");
2151                 fs_types[1] = 0;
2152         }
2153
2154         if (verbose) {
2155                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2156                 print_str_list(fs_types);
2157         }
2158
2159         if (r_opt == EXT2_GOOD_OLD_REV &&
2160             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2161              fs_param.s_feature_ro_compat)) {
2162                 fprintf(stderr, "%s", _("Filesystem features not supported "
2163                                         "with revision 0 filesystems\n"));
2164                 exit(1);
2165         }
2166
2167         if (s_opt > 0) {
2168                 if (r_opt == EXT2_GOOD_OLD_REV) {
2169                         fprintf(stderr, "%s",
2170                                 _("Sparse superblocks not supported "
2171                                   "with revision 0 filesystems\n"));
2172                         exit(1);
2173                 }
2174                 ext2fs_set_feature_sparse_super(&fs_param);
2175         } else if (s_opt == 0)
2176                 ext2fs_clear_feature_sparse_super(&fs_param);
2177
2178         if (journal_size != 0) {
2179                 if (r_opt == EXT2_GOOD_OLD_REV) {
2180                         fprintf(stderr, "%s", _("Journals not supported with "
2181                                                 "revision 0 filesystems\n"));
2182                         exit(1);
2183                 }
2184                 ext2fs_set_feature_journal(&fs_param);
2185         }
2186
2187         /* Get reserved_ratio from profile if not specified on cmd line. */
2188         if (reserved_ratio < 0.0) {
2189                 reserved_ratio = get_double_from_profile(
2190                                         fs_types, "reserved_ratio", 5.0);
2191                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2192                         com_err(program_name, 0,
2193                                 _("invalid reserved blocks percent - %lf"),
2194                                 reserved_ratio);
2195                         exit(1);
2196                 }
2197         }
2198
2199         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2200                 reserved_ratio = 0;
2201                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2202                 fs_param.s_feature_compat = 0;
2203                 fs_param.s_feature_ro_compat &=
2204                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2205         }
2206
2207         /* Check the user's mkfs options for 64bit */
2208         if (ext2fs_has_feature_64bit(&fs_param) &&
2209             !ext2fs_has_feature_extents(&fs_param)) {
2210                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2211                                "filesystem.  Pass -O extents to rectify.\n"));
2212                 exit(1);
2213         }
2214
2215         /* Set first meta blockgroup via an environment variable */
2216         /* (this is mostly for debugging purposes) */
2217         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2218             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2219                 fs_param.s_first_meta_bg = atoi(tmp);
2220         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2221                 if (!cluster_size)
2222                         cluster_size = get_int_from_profile(fs_types,
2223                                                             "cluster_size",
2224                                                             blocksize*16);
2225                 fs_param.s_log_cluster_size =
2226                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2227                 if (fs_param.s_log_cluster_size &&
2228                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2229                         com_err(program_name, 0, "%s",
2230                                 _("The cluster size may not be "
2231                                   "smaller than the block size.\n"));
2232                         exit(1);
2233                 }
2234         } else if (cluster_size) {
2235                 com_err(program_name, 0, "%s",
2236                         _("specifying a cluster size requires the "
2237                           "bigalloc feature"));
2238                 exit(1);
2239         } else
2240                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2241
2242         if (inode_ratio == 0) {
2243                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2244                                                    8192);
2245                 if (inode_ratio < blocksize)
2246                         inode_ratio = blocksize;
2247                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2248                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2249         }
2250
2251 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2252         retval = get_device_geometry(device_name, &fs_param,
2253                                      (unsigned int) psector_size);
2254         if (retval < 0) {
2255                 fprintf(stderr,
2256                         _("warning: Unable to get device geometry for %s\n"),
2257                         device_name);
2258         } else if (retval) {
2259                 printf(_("%s alignment is offset by %lu bytes.\n"),
2260                        device_name, retval);
2261                 printf(_("This may result in very poor performance, "
2262                           "(re)-partitioning suggested.\n"));
2263         }
2264 #endif
2265
2266         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2267
2268         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2269
2270         /*
2271          * Initialize s_desc_size so that the parse_extended_opts()
2272          * can correctly handle "-E resize=NNN" if the 64-bit option
2273          * is set.
2274          */
2275         if (ext2fs_has_feature_64bit(&fs_param))
2276                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2277
2278         /* This check should happen beyond the last assignment to blocksize */
2279         if (blocksize > sys_page_size) {
2280                 if (!force) {
2281                         com_err(program_name, 0,
2282                                 _("%d-byte blocks too big for system (max %d)"),
2283                                 blocksize, sys_page_size);
2284                         proceed_question(proceed_delay);
2285                 }
2286                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2287                                   "(max %d), forced to continue\n"),
2288                         blocksize, sys_page_size);
2289         }
2290
2291         /* Metadata checksumming wasn't totally stable before 3.18. */
2292         if (is_before_linux_ver(3, 18, 0) &&
2293             ext2fs_has_feature_metadata_csum(&fs_param))
2294                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2295                         "improved stability of the metadata and journal "
2296                         "checksum features.\n"));
2297
2298         /*
2299          * On newer kernels we do have lazy_itable_init support. So pick the
2300          * right default in case ext4 module is not loaded.
2301          */
2302         if (is_before_linux_ver(2, 6, 37))
2303                 lazy_itable_init = 0;
2304         else
2305                 lazy_itable_init = 1;
2306
2307         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2308                 lazy_itable_init = 1;
2309
2310         lazy_itable_init = get_bool_from_profile(fs_types,
2311                                                  "lazy_itable_init",
2312                                                  lazy_itable_init);
2313         discard = get_bool_from_profile(fs_types, "discard" , discard);
2314         journal_flags |= get_bool_from_profile(fs_types,
2315                                                "lazy_journal_init", 0) ?
2316                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2317         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2318
2319         if (!journal_location_string)
2320                 journal_location_string = get_string_from_profile(fs_types,
2321                                                 "journal_location", "");
2322         if ((journal_location == ~0ULL) && journal_location_string &&
2323             *journal_location_string)
2324                 journal_location = parse_num_blocks2(journal_location_string,
2325                                                 fs_param.s_log_block_size);
2326         free(journal_location_string);
2327
2328         packed_meta_blocks = get_bool_from_profile(fs_types,
2329                                                    "packed_meta_blocks", 0);
2330         if (packed_meta_blocks)
2331                 journal_location = 0;
2332
2333         /* Get options from profile */
2334         for (cpp = fs_types; *cpp; cpp++) {
2335                 tmp = NULL;
2336                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2337                         if (tmp && *tmp)
2338                                 parse_extended_opts(&fs_param, tmp);
2339                         free(tmp);
2340         }
2341
2342         if (extended_opts)
2343                 parse_extended_opts(&fs_param, extended_opts);
2344
2345         if (explicit_fssize == 0 && offset > 0) {
2346                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2347                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2348                 fprintf(stderr,
2349                         _("\nWarning: offset specified without an "
2350                           "explicit file system size.\n"
2351                           "Creating a file system with %llu blocks "
2352                           "but this might\n"
2353                           "not be what you want.\n\n"),
2354                         (unsigned long long) fs_blocks_count);
2355         }
2356
2357         if (quotatype_bits & QUOTA_PRJ_BIT)
2358                 ext2fs_set_feature_project(&fs_param);
2359
2360         if (ext2fs_has_feature_project(&fs_param)) {
2361                 quotatype_bits |= QUOTA_PRJ_BIT;
2362                 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2363                         com_err(program_name, 0,
2364                                 _("%d byte inodes are too small for "
2365                                   "project quota"),
2366                                 inode_size);
2367                         exit(1);
2368                 }
2369                 if (inode_size == 0) {
2370                         inode_size = get_int_from_profile(fs_types,
2371                                                           "inode_size", 0);
2372                         if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2373                                 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2374                 }
2375         }
2376
2377         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2378         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2379             ext2fs_has_feature_gdt_csum(&fs_param))
2380                 ext2fs_clear_feature_gdt_csum(&fs_param);
2381
2382         /* Can't support bigalloc feature without extents feature */
2383         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2384             !ext2fs_has_feature_extents(&fs_param)) {
2385                 com_err(program_name, 0, "%s",
2386                         _("Can't support bigalloc feature without "
2387                           "extents feature"));
2388                 exit(1);
2389         }
2390
2391         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2392             ext2fs_has_feature_resize_inode(&fs_param)) {
2393                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2394                                         "features are not compatible.\n"
2395                                         "They can not be both enabled "
2396                                         "simultaneously.\n"));
2397                 exit(1);
2398         }
2399
2400         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2401                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2402                                   "still under development\n"
2403                                   "See https://ext4.wiki.kernel.org/"
2404                                   "index.php/Bigalloc for more information\n\n"));
2405
2406         /*
2407          * Since sparse_super is the default, we would only have a problem
2408          * here if it was explicitly disabled.
2409          */
2410         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2411             !ext2fs_has_feature_sparse_super(&fs_param)) {
2412                 com_err(program_name, 0, "%s",
2413                         _("reserved online resize blocks not supported "
2414                           "on non-sparse filesystem"));
2415                 exit(1);
2416         }
2417
2418         if (fs_param.s_blocks_per_group) {
2419                 if (fs_param.s_blocks_per_group < 256 ||
2420                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2421                         com_err(program_name, 0, "%s",
2422                                 _("blocks per group count out of range"));
2423                         exit(1);
2424                 }
2425         }
2426
2427         /*
2428          * If the bigalloc feature is enabled, then the -g option will
2429          * specify the number of clusters per group.
2430          */
2431         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2432                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2433                 fs_param.s_blocks_per_group = 0;
2434         }
2435
2436         if (inode_size == 0)
2437                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2438         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2439                 flex_bg_size = get_uint_from_profile(fs_types,
2440                                                      "flex_bg_size", 16);
2441         if (flex_bg_size) {
2442                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2443                         com_err(program_name, 0, "%s",
2444                                 _("Flex_bg feature not enabled, so "
2445                                   "flex_bg size may not be specified"));
2446                         exit(1);
2447                 }
2448                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2449         }
2450
2451         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2452                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2453                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2454                     inode_size & (inode_size - 1)) {
2455                         com_err(program_name, 0,
2456                                 _("invalid inode size %d (min %d/max %d)"),
2457                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2458                                 blocksize);
2459                         exit(1);
2460                 }
2461                 fs_param.s_inode_size = inode_size;
2462         }
2463
2464         /*
2465          * If inode size is 128 and inline data is enabled, we need
2466          * to notify users that inline data will never be useful.
2467          */
2468         if (ext2fs_has_feature_inline_data(&fs_param) &&
2469             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2470                 com_err(program_name, 0,
2471                         _("%d byte inodes are too small for inline data; "
2472                           "specify larger size"),
2473                         fs_param.s_inode_size);
2474                 exit(1);
2475         }
2476
2477         /* Make sure number of inodes specified will fit in 32 bits */
2478         if (num_inodes == 0) {
2479                 unsigned long long n;
2480                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2481                 if (n > MAX_32_NUM) {
2482                         if (ext2fs_has_feature_64bit(&fs_param))
2483                                 num_inodes = MAX_32_NUM;
2484                         else {
2485                                 com_err(program_name, 0,
2486                                         _("too many inodes (%llu), raise "
2487                                           "inode ratio?"), n);
2488                                 exit(1);
2489                         }
2490                 }
2491         } else if (num_inodes > MAX_32_NUM) {
2492                 com_err(program_name, 0,
2493                         _("too many inodes (%llu), specify < 2^32 inodes"),
2494                           num_inodes);
2495                 exit(1);
2496         }
2497         /*
2498          * Calculate number of inodes based on the inode ratio
2499          */
2500         fs_param.s_inodes_count = num_inodes ? num_inodes :
2501                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2502
2503         if ((((unsigned long long)fs_param.s_inodes_count) *
2504              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2505             ((ext2fs_blocks_count(&fs_param)) *
2506              EXT2_BLOCK_SIZE(&fs_param))) {
2507                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2508                                           "(%u) too big for a\n\t"
2509                                           "filesystem with %llu blocks, "
2510                                           "specify higher inode_ratio (-i)\n\t"
2511                                           "or lower inode count (-N).\n"),
2512                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2513                         fs_param.s_inodes_count,
2514                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2515                 exit(1);
2516         }
2517
2518         /*
2519          * Calculate number of blocks to reserve
2520          */
2521         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2522                                   ext2fs_blocks_count(&fs_param) / 100.0);
2523
2524         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2525                 if (num_backups >= 1)
2526                         fs_param.s_backup_bgs[0] = 1;
2527                 if (num_backups >= 2)
2528                         fs_param.s_backup_bgs[1] = ~0;
2529         }
2530
2531         free(fs_type);
2532         free(usage_types);
2533 }
2534
2535 static int should_do_undo(const char *name)
2536 {
2537         errcode_t retval;
2538         io_channel channel;
2539         __u16   s_magic;
2540         struct ext2_super_block super;
2541         io_manager manager = unix_io_manager;
2542         int csum_flag, force_undo;
2543
2544         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2545                     ext2fs_has_feature_gdt_csum(&fs_param);
2546         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2547         if (!force_undo && (!csum_flag || !lazy_itable_init))
2548                 return 0;
2549
2550         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2551         if (retval) {
2552                 /*
2553                  * We don't handle error cases instead we
2554                  * declare that the file system doesn't exist
2555                  * and let the rest of mke2fs take care of
2556                  * error
2557                  */
2558                 retval = 0;
2559                 goto open_err_out;
2560         }
2561
2562         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2563         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2564         if (retval) {
2565                 retval = 0;
2566                 goto err_out;
2567         }
2568
2569 #if defined(WORDS_BIGENDIAN)
2570         s_magic = ext2fs_swab16(super.s_magic);
2571 #else
2572         s_magic = super.s_magic;
2573 #endif
2574
2575         if (s_magic == EXT2_SUPER_MAGIC)
2576                 retval = 1;
2577
2578 err_out:
2579         io_channel_close(channel);
2580
2581 open_err_out:
2582
2583         return retval;
2584 }
2585
2586 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2587 {
2588         errcode_t retval = ENOMEM;
2589         char *tdb_dir = NULL, *tdb_file = NULL;
2590         char *dev_name, *tmp_name;
2591         int free_tdb_dir = 0;
2592
2593         /* (re)open a specific undo file */
2594         if (undo_file && undo_file[0] != 0) {
2595                 retval = set_undo_io_backing_manager(*io_ptr);
2596                 if (retval)
2597                         goto err;
2598                 *io_ptr = undo_io_manager;
2599                 retval = set_undo_io_backup_file(undo_file);
2600                 if (retval)
2601                         goto err;
2602                 printf(_("Overwriting existing filesystem; this can be undone "
2603                          "using the command:\n"
2604                          "    e2undo %s %s\n\n"), undo_file, name);
2605                 return retval;
2606         }
2607
2608         /*
2609          * Configuration via a conf file would be
2610          * nice
2611          */
2612         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2613         if (!tdb_dir) {
2614                 profile_get_string(profile, "defaults",
2615                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2616                                    &tdb_dir);
2617                 free_tdb_dir = 1;
2618         }
2619
2620         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2621             access(tdb_dir, W_OK)) {
2622                 if (free_tdb_dir)
2623                         free(tdb_dir);
2624                 return 0;
2625         }
2626
2627         tmp_name = strdup(name);
2628         if (!tmp_name)
2629                 goto errout;
2630         dev_name = basename(tmp_name);
2631         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2632         if (!tdb_file) {
2633                 free(tmp_name);
2634                 goto errout;
2635         }
2636         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2637         free(tmp_name);
2638
2639         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2640                 retval = errno;
2641                 com_err(program_name, retval,
2642                         _("while trying to delete %s"), tdb_file);
2643                 goto errout;
2644         }
2645
2646         retval = set_undo_io_backing_manager(*io_ptr);
2647         if (retval)
2648                 goto errout;
2649         *io_ptr = undo_io_manager;
2650         retval = set_undo_io_backup_file(tdb_file);
2651         if (retval)
2652                 goto errout;
2653         printf(_("Overwriting existing filesystem; this can be undone "
2654                  "using the command:\n"
2655                  "    e2undo %s %s\n\n"), tdb_file, name);
2656
2657         if (free_tdb_dir)
2658                 free(tdb_dir);
2659         free(tdb_file);
2660         return 0;
2661
2662 errout:
2663         if (free_tdb_dir)
2664                 free(tdb_dir);
2665         free(tdb_file);
2666 err:
2667         com_err(program_name, retval, "%s",
2668                 _("while trying to setup undo file\n"));
2669         return retval;
2670 }
2671
2672 static int mke2fs_discard_device(ext2_filsys fs)
2673 {
2674         struct ext2fs_numeric_progress_struct progress;
2675         blk64_t blocks = ext2fs_blocks_count(fs->super);
2676         blk64_t count = DISCARD_STEP_MB;
2677         blk64_t cur;
2678         int retval = 0;
2679
2680         /*
2681          * Let's try if discard really works on the device, so
2682          * we do not print numeric progress resulting in failure
2683          * afterwards.
2684          */
2685         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2686         if (retval)
2687                 return retval;
2688         cur = fs->blocksize;
2689
2690         count *= (1024 * 1024);
2691         count /= fs->blocksize;
2692
2693         ext2fs_numeric_progress_init(fs, &progress,
2694                                      _("Discarding device blocks: "),
2695                                      blocks);
2696         while (cur < blocks) {
2697                 ext2fs_numeric_progress_update(fs, &progress, cur);
2698
2699                 if (cur + count > blocks)
2700                         count = blocks - cur;
2701
2702                 retval = io_channel_discard(fs->io, cur, count);
2703                 if (retval)
2704                         break;
2705                 cur += count;
2706         }
2707
2708         if (retval) {
2709                 ext2fs_numeric_progress_close(fs, &progress,
2710                                       _("failed - "));
2711                 if (!quiet)
2712                         printf("%s\n",error_message(retval));
2713         } else
2714                 ext2fs_numeric_progress_close(fs, &progress,
2715                                       _("done                            \n"));
2716
2717         return retval;
2718 }
2719
2720 static void fix_cluster_bg_counts(ext2_filsys fs)
2721 {
2722         blk64_t         block, num_blocks, last_block, next;
2723         blk64_t         tot_free = 0;
2724         errcode_t       retval;
2725         dgrp_t          group = 0;
2726         int             grp_free = 0;
2727
2728         num_blocks = ext2fs_blocks_count(fs->super);
2729         last_block = ext2fs_group_last_block2(fs, group);
2730         block = fs->super->s_first_data_block;
2731         while (block < num_blocks) {
2732                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2733                                                 block, last_block, &next);
2734                 if (retval == 0)
2735                         block = next;
2736                 else {
2737                         block = last_block + 1;
2738                         goto next_bg;
2739                 }
2740
2741                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2742                                                 block, last_block, &next);
2743                 if (retval)
2744                         next = last_block + 1;
2745                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2746                 tot_free += next - block;
2747                 block = next;
2748
2749                 if (block > last_block) {
2750                 next_bg:
2751                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2752                         ext2fs_group_desc_csum_set(fs, group);
2753                         grp_free = 0;
2754                         group++;
2755                         last_block = ext2fs_group_last_block2(fs, group);
2756                 }
2757         }
2758         ext2fs_free_blocks_count_set(fs->super, tot_free);
2759 }
2760
2761 static int create_quota_inodes(ext2_filsys fs)
2762 {
2763         quota_ctx_t qctx;
2764         errcode_t retval;
2765
2766         retval = quota_init_context(&qctx, fs, quotatype_bits);
2767         if (retval) {
2768                 com_err(program_name, retval,
2769                         _("while initializing quota context"));
2770                 exit(1);
2771         }
2772         quota_compute_usage(qctx);
2773         retval = quota_write_inode(qctx, quotatype_bits);
2774         if (retval) {
2775                 com_err(program_name, retval,
2776                         _("while writing quota inodes"));
2777                 exit(1);
2778         }
2779         quota_release_context(&qctx);
2780
2781         return 0;
2782 }
2783
2784 static errcode_t set_error_behavior(ext2_filsys fs)
2785 {
2786         char    *arg = NULL;
2787         short   errors = fs->super->s_errors;
2788
2789         arg = get_string_from_profile(fs_types, "errors", NULL);
2790         if (arg == NULL)
2791                 goto try_user;
2792
2793         if (strcmp(arg, "continue") == 0)
2794                 errors = EXT2_ERRORS_CONTINUE;
2795         else if (strcmp(arg, "remount-ro") == 0)
2796                 errors = EXT2_ERRORS_RO;
2797         else if (strcmp(arg, "panic") == 0)
2798                 errors = EXT2_ERRORS_PANIC;
2799         else {
2800                 com_err(program_name, 0,
2801                         _("bad error behavior in profile - %s"),
2802                         arg);
2803                 free(arg);
2804                 return EXT2_ET_INVALID_ARGUMENT;
2805         }
2806         free(arg);
2807
2808 try_user:
2809         if (errors_behavior)
2810                 errors = errors_behavior;
2811
2812         fs->super->s_errors = errors;
2813         return 0;
2814 }
2815
2816 int main (int argc, char *argv[])
2817 {
2818         errcode_t       retval = 0;
2819         ext2_filsys     fs;
2820         badblocks_list  bb_list = 0;
2821         unsigned int    journal_blocks = 0;
2822         unsigned int    i, checkinterval;
2823         int             max_mnt_count;
2824         int             val, hash_alg;
2825         int             flags;
2826         int             old_bitmaps;
2827         io_manager      io_ptr;
2828         char            opt_string[40];
2829         char            *hash_alg_str;
2830         int             itable_zeroed = 0;
2831
2832 #ifdef ENABLE_NLS
2833         setlocale(LC_MESSAGES, "");
2834         setlocale(LC_CTYPE, "");
2835         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2836         textdomain(NLS_CAT_NAME);
2837         set_com_err_gettext(gettext);
2838 #endif
2839         PRS(argc, argv);
2840
2841 #ifdef CONFIG_TESTIO_DEBUG
2842         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2843                 io_ptr = test_io_manager;
2844                 test_io_backing_manager = unix_io_manager;
2845         } else
2846 #endif
2847                 io_ptr = unix_io_manager;
2848
2849         if (undo_file != NULL || should_do_undo(device_name)) {
2850                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2851                 if (retval)
2852                         exit(1);
2853         }
2854
2855         /*
2856          * Initialize the superblock....
2857          */
2858         flags = EXT2_FLAG_EXCLUSIVE;
2859         if (direct_io)
2860                 flags |= EXT2_FLAG_DIRECT_IO;
2861         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2862                             &old_bitmaps);
2863         if (!old_bitmaps)
2864                 flags |= EXT2_FLAG_64BITS;
2865         /*
2866          * By default, we print how many inode tables or block groups
2867          * or whatever we've written so far.  The quiet flag disables
2868          * this, along with a lot of other output.
2869          */
2870         if (!quiet)
2871                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2872         if (android_sparse_file) {
2873                 char *android_sparse_params = malloc(strlen(device_name) + 48);
2874
2875                 if (!android_sparse_params) {
2876                         com_err(program_name, ENOMEM, "%s",
2877                                 _("in malloc for android_sparse_params"));
2878                         exit(1);
2879                 }
2880                 sprintf(android_sparse_params, "(%s):%u:%u",
2881                          device_name, fs_param.s_blocks_count,
2882                          1024 << fs_param.s_log_block_size);
2883                 retval = ext2fs_initialize(android_sparse_params, flags,
2884                                            &fs_param, sparse_io_manager, &fs);
2885                 free(android_sparse_params);
2886         } else
2887                 retval = ext2fs_initialize(device_name, flags, &fs_param,
2888                                            io_ptr, &fs);
2889         if (retval) {
2890                 com_err(device_name, retval, "%s",
2891                         _("while setting up superblock"));
2892                 exit(1);
2893         }
2894         fs->progress_ops = &ext2fs_numeric_progress_ops;
2895
2896         /* Set the error behavior */
2897         retval = set_error_behavior(fs);
2898         if (retval)
2899                 usage();
2900
2901         /* Check the user's mkfs options for metadata checksumming */
2902         if (!quiet &&
2903             !ext2fs_has_feature_journal_dev(fs->super) &&
2904             ext2fs_has_feature_metadata_csum(fs->super)) {
2905                 if (!ext2fs_has_feature_extents(fs->super))
2906                         printf("%s",
2907                                _("Extents are not enabled.  The file extent "
2908                                  "tree can be checksummed, whereas block maps "
2909                                  "cannot.  Not enabling extents reduces the "
2910                                  "coverage of metadata checksumming.  "
2911                                  "Pass -O extents to rectify.\n"));
2912                 if (!ext2fs_has_feature_64bit(fs->super))
2913                         printf("%s",
2914                                _("64-bit filesystem support is not enabled.  "
2915                                  "The larger fields afforded by this feature "
2916                                  "enable full-strength checksumming.  "
2917                                  "Pass -O 64bit to rectify.\n"));
2918         }
2919
2920         if (ext2fs_has_feature_csum_seed(fs->super) &&
2921             !ext2fs_has_feature_metadata_csum(fs->super)) {
2922                 printf("%s", _("The metadata_csum_seed feature "
2923                                "requires the metadata_csum feature.\n"));
2924                 exit(1);
2925         }
2926
2927         /* Calculate journal blocks */
2928         if (!journal_device && ((journal_size) ||
2929             ext2fs_has_feature_journal(&fs_param)))
2930                 journal_blocks = figure_journal_size(journal_size, fs);
2931
2932         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2933                 32768 : fs->blocksize * 8);
2934         io_channel_set_options(fs->io, opt_string);
2935         if (offset) {
2936                 sprintf(opt_string, "offset=%llu", offset);
2937                 io_channel_set_options(fs->io, opt_string);
2938         }
2939
2940         /* Can't undo discard ... */
2941         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
2942                 retval = mke2fs_discard_device(fs);
2943                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2944                         if (verbose)
2945                                 printf("%s",
2946                                        _("Discard succeeded and will return "
2947                                          "0s - skipping inode table wipe\n"));
2948                         lazy_itable_init = 1;
2949                         itable_zeroed = 1;
2950                         zero_hugefile = 0;
2951                 }
2952         }
2953
2954         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2955                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2956
2957         if (ext2fs_has_feature_flex_bg(&fs_param) ||
2958             ext2fs_has_feature_huge_file(&fs_param) ||
2959             ext2fs_has_feature_gdt_csum(&fs_param) ||
2960             ext2fs_has_feature_dir_nlink(&fs_param) ||
2961             ext2fs_has_feature_metadata_csum(&fs_param) ||
2962             ext2fs_has_feature_extra_isize(&fs_param))
2963                 fs->super->s_kbytes_written = 1;
2964
2965         /*
2966          * Wipe out the old on-disk superblock
2967          */
2968         if (!noaction)
2969                 zap_sector(fs, 2, 6);
2970
2971         /*
2972          * Parse or generate a UUID for the filesystem
2973          */
2974         if (fs_uuid) {
2975                 if ((strcasecmp(fs_uuid, "null") == 0) ||
2976                     (strcasecmp(fs_uuid, "clear") == 0)) {
2977                         uuid_clear(fs->super->s_uuid);
2978                 } else if (strcasecmp(fs_uuid, "time") == 0) {
2979                         uuid_generate_time(fs->super->s_uuid);
2980                 } else if (strcasecmp(fs_uuid, "random") == 0) {
2981                         uuid_generate(fs->super->s_uuid);
2982                 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
2983                         com_err(device_name, 0, "could not parse UUID: %s\n",
2984                                 fs_uuid);
2985                         exit(1);
2986                 }
2987         } else
2988                 uuid_generate(fs->super->s_uuid);
2989
2990         if (ext2fs_has_feature_csum_seed(fs->super))
2991                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
2992                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
2993
2994         ext2fs_init_csum_seed(fs);
2995
2996         /*
2997          * Initialize the directory index variables
2998          */
2999         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3000                                                "half_md4");
3001         hash_alg = e2p_string2hash(hash_alg_str);
3002         free(hash_alg_str);
3003         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3004                 EXT2_HASH_HALF_MD4;
3005
3006         if (memcmp(fs_param.s_hash_seed, zero_buf,
3007                 sizeof(fs_param.s_hash_seed)) != 0) {
3008                 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3009                         sizeof(fs->super->s_hash_seed));
3010         } else
3011                 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3012
3013         /*
3014          * Periodic checks can be enabled/disabled via config file.
3015          * Note we override the kernel include file's idea of what the default
3016          * check interval (never) should be.  It's a good idea to check at
3017          * least *occasionally*, specially since servers will never rarely get
3018          * to reboot, since Linux is so robust these days.  :-)
3019          *
3020          * 180 days (six months) seems like a good value.
3021          */
3022 #ifdef EXT2_DFL_CHECKINTERVAL
3023 #undef EXT2_DFL_CHECKINTERVAL
3024 #endif
3025 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3026
3027         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3028                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3029                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3030                 /*
3031                  * Add "jitter" to the superblock's check interval so that we
3032                  * don't check all the filesystems at the same time.  We use a
3033                  * kludgy hack of using the UUID to derive a random jitter value
3034                  */
3035                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3036                         val += fs->super->s_uuid[i];
3037                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3038         } else
3039                 fs->super->s_max_mnt_count = -1;
3040
3041         /*
3042          * Override the creator OS, if applicable
3043          */
3044         if (creator_os && !set_os(fs->super, creator_os)) {
3045                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3046                 exit(1);
3047         }
3048
3049         /*
3050          * For the Hurd, we will turn off filetype since it doesn't
3051          * support it.
3052          */
3053         if (fs->super->s_creator_os == EXT2_OS_HURD)
3054                 ext2fs_clear_feature_filetype(fs->super);
3055
3056         /*
3057          * Set the volume label...
3058          */
3059         if (volume_label) {
3060                 memset(fs->super->s_volume_name, 0,
3061                        sizeof(fs->super->s_volume_name));
3062                 strncpy(fs->super->s_volume_name, volume_label,
3063                         sizeof(fs->super->s_volume_name));
3064         }
3065
3066         /*
3067          * Set the last mount directory
3068          */
3069         if (mount_dir) {
3070                 memset(fs->super->s_last_mounted, 0,
3071                        sizeof(fs->super->s_last_mounted));
3072                 strncpy(fs->super->s_last_mounted, mount_dir,
3073                         sizeof(fs->super->s_last_mounted));
3074         }
3075
3076         /* Set current default encryption algorithms for data and
3077          * filename encryption */
3078         if (ext2fs_has_feature_encrypt(fs->super)) {
3079                 fs->super->s_encrypt_algos[0] =
3080                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3081                 fs->super->s_encrypt_algos[1] =
3082                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3083         }
3084
3085         if (ext2fs_has_feature_metadata_csum(fs->super))
3086                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3087
3088         if (!quiet || noaction)
3089                 show_stats(fs);
3090
3091         if (noaction)
3092                 exit(0);
3093
3094         if (ext2fs_has_feature_journal_dev(fs->super)) {
3095                 create_journal_dev(fs);
3096                 printf("\n");
3097                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3098         }
3099
3100         if (bad_blocks_filename)
3101                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3102         if (cflag)
3103                 test_disk(fs, &bb_list);
3104         handle_bad_blocks(fs, bb_list);
3105
3106         fs->stride = fs_stride = fs->super->s_raid_stride;
3107         if (!quiet)
3108                 printf("%s", _("Allocating group tables: "));
3109         if (ext2fs_has_feature_flex_bg(fs->super) &&
3110             packed_meta_blocks)
3111                 retval = packed_allocate_tables(fs);
3112         else
3113                 retval = ext2fs_allocate_tables(fs);
3114         if (retval) {
3115                 com_err(program_name, retval, "%s",
3116                         _("while trying to allocate filesystem tables"));
3117                 exit(1);
3118         }
3119         if (!quiet)
3120                 printf("%s", _("done                            \n"));
3121
3122         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3123         if (retval) {
3124                 com_err(program_name, retval, "%s",
3125                         _("\n\twhile converting subcluster bitmap"));
3126                 exit(1);
3127         }
3128
3129         if (super_only) {
3130                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3131                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3132                        device_name);
3133                 if (!force)
3134                         proceed_question(proceed_delay);
3135                 fs->super->s_state |= EXT2_ERROR_FS;
3136                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3137                 /*
3138                  * The command "mke2fs -S" is used to recover
3139                  * corrupted file systems, so do not mark any of the
3140                  * inodes as unused; we want e2fsck to consider all
3141                  * inodes as potentially containing recoverable data.
3142                  */
3143                 if (ext2fs_has_group_desc_csum(fs)) {
3144                         for (i = 0; i < fs->group_desc_count; i++)
3145                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3146                 }
3147         } else {
3148                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3149                 blk64_t rsv = 65536 / fs->blocksize;
3150                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3151                 blk64_t start;
3152                 blk64_t ret_blk;
3153
3154 #ifdef ZAP_BOOTBLOCK
3155                 zap_sector(fs, 0, 2);
3156 #endif
3157
3158                 /*
3159                  * Wipe out any old MD RAID (or other) metadata at the end
3160                  * of the device.  This will also verify that the device is
3161                  * as large as we think.  Be careful with very small devices.
3162                  */
3163                 start = (blocks & ~(rsv - 1));
3164                 if (start > rsv)
3165                         start -= rsv;
3166                 if (start > 0)
3167                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3168                                                     &ret_blk, NULL);
3169
3170                 if (retval) {
3171                         com_err(program_name, retval,
3172                                 _("while zeroing block %llu at end of filesystem"),
3173                                 ret_blk);
3174                 }
3175                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3176                 create_root_dir(fs);
3177                 create_lost_and_found(fs);
3178                 reserve_inodes(fs);
3179                 create_bad_block_inode(fs, bb_list);
3180                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3181                         retval = ext2fs_create_resize_inode(fs);
3182                         if (retval) {
3183                                 com_err("ext2fs_create_resize_inode", retval,
3184                                         "%s",
3185                                 _("while reserving blocks for online resize"));
3186                                 exit(1);
3187                         }
3188                 }
3189         }
3190
3191         if (journal_device) {
3192                 ext2_filsys     jfs;
3193
3194                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3195                                         NULL) && !force)
3196                         proceed_question(proceed_delay);
3197                 check_mount(journal_device, force, _("journal"));
3198
3199                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3200                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3201                                      fs->blocksize, unix_io_manager, &jfs);
3202                 if (retval) {
3203                         com_err(program_name, retval,
3204                                 _("while trying to open journal device %s\n"),
3205                                 journal_device);
3206                         exit(1);
3207                 }
3208                 if (!quiet) {
3209                         printf(_("Adding journal to device %s: "),
3210                                journal_device);
3211                         fflush(stdout);
3212                 }
3213                 retval = ext2fs_add_journal_device(fs, jfs);
3214                 if(retval) {
3215                         com_err (program_name, retval,
3216                                  _("\n\twhile trying to add journal to device %s"),
3217                                  journal_device);
3218                         exit(1);
3219                 }
3220                 if (!quiet)
3221                         printf("%s", _("done\n"));
3222                 ext2fs_close_free(&jfs);
3223                 free(journal_device);
3224         } else if ((journal_size) ||
3225                    ext2fs_has_feature_journal(&fs_param)) {
3226                 if (super_only) {
3227                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3228                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3229                         goto no_journal;
3230                 }
3231
3232                 if (!journal_blocks) {
3233                         ext2fs_clear_feature_journal(fs->super);
3234                         goto no_journal;
3235                 }
3236                 if (!quiet) {
3237                         printf(_("Creating journal (%u blocks): "),
3238                                journal_blocks);
3239                         fflush(stdout);
3240                 }
3241                 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3242                                                    journal_location,
3243                                                    journal_flags);
3244                 if (retval) {
3245                         com_err(program_name, retval, "%s",
3246                                 _("\n\twhile trying to create journal"));
3247                         exit(1);
3248                 }
3249                 if (!quiet)
3250                         printf("%s", _("done\n"));
3251         }
3252 no_journal:
3253         if (!super_only &&
3254             ext2fs_has_feature_mmp(fs->super)) {
3255                 retval = ext2fs_mmp_init(fs);
3256                 if (retval) {
3257                         fprintf(stderr, "%s",
3258                                 _("\nError while enabling multiple "
3259                                   "mount protection feature."));
3260                         exit(1);
3261                 }
3262                 if (!quiet)
3263                         printf(_("Multiple mount protection is enabled "
3264                                  "with update interval %d seconds.\n"),
3265                                fs->super->s_mmp_update_interval);
3266         }
3267
3268         if (ext2fs_has_feature_bigalloc(&fs_param))
3269                 fix_cluster_bg_counts(fs);
3270         if (ext2fs_has_feature_quota(&fs_param))
3271                 create_quota_inodes(fs);
3272
3273         retval = mk_hugefiles(fs, device_name);
3274         if (retval)
3275                 com_err(program_name, retval, "while creating huge files");
3276         /* Copy files from the specified directory */
3277         if (src_root_dir) {
3278                 if (!quiet)
3279                         printf("%s", _("Copying files into the device: "));
3280
3281                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3282                                      EXT2_ROOT_INO);
3283                 if (retval) {
3284                         com_err(program_name, retval, "%s",
3285                                 _("while populating file system"));
3286                         exit(1);
3287                 } else if (!quiet)
3288                         printf("%s", _("done\n"));
3289         }
3290
3291         if (!quiet)
3292                 printf("%s", _("Writing superblocks and "
3293                        "filesystem accounting information: "));
3294         checkinterval = fs->super->s_checkinterval;
3295         max_mnt_count = fs->super->s_max_mnt_count;
3296         retval = ext2fs_close_free(&fs);
3297         if (retval) {
3298                 com_err(program_name, retval, "%s",
3299                         _("while writing out and closing file system"));
3300                 retval = 1;
3301         } else if (!quiet) {
3302                 printf("%s", _("done\n\n"));
3303                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3304                         print_check_message(max_mnt_count, checkinterval);
3305         }
3306
3307         remove_error_table(&et_ext2_error_table);
3308         remove_error_table(&et_prof_error_table);
3309         profile_release(profile);
3310         for (i=0; fs_types[i]; i++)
3311                 free(fs_types[i]);
3312         free(fs_types);
3313         return retval;
3314 }