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 HAVE_GETOPT_H
  28 #include <getopt.h>
  29 #else
  30 extern char *optarg;
  31 extern int optind;
  32 #endif
  33 #ifdef HAVE_UNISTD_H
  34 #include <unistd.h>
  35 #endif
  36 #ifdef HAVE_STDLIB_H
  37 #include <stdlib.h>
  38 #endif
  39 #ifdef HAVE_ERRNO_H
  40 #include <errno.h>
  41 #endif
  42 #ifdef HAVE_SYS_IOCTL_H
  43 #include <sys/ioctl.h>
  44 #endif
  45 #include <libgen.h>
  46 #include <limits.h>
  47 #include <blkid/blkid.h>
  48
  49 #include "ext2fs/ext2_fs.h"
  50 #include "ext2fs/ext2fsP.h"
  51 #include "uuid/uuid.h"
  52 #include "util.h"
  53 #include "support/nls-enable.h"
  54 #include "support/plausible.h"
  55 #include "support/profile.h"
  56 #include "support/prof_err.h"
  57 #include "../version.h"
  58 #include "support/quotaio.h"
  59 #include "mke2fs.h"
  60 #include "create_inode.h"
  61
  62 #define STRIDE_LENGTH 8
  63
  64 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
  65
  66 #ifndef __sparc__
  67 #define ZAP_BOOTBLOCK
  68 #endif
  69
  70 #define DISCARD_STEP_MB         (2048)
  71
  72 extern int isatty(int);
  73 extern FILE *fpopen(const char *cmd, const char *mode);
  74
  75 const char * program_name = "mke2fs";
  76 static const char * device_name /* = NULL */;
  77
  78 /* Command line options */
  79 static int      cflag;
  80 int     verbose;
  81 int     quiet;
  82 static int      super_only;
  83 static int      discard = 1;    /* attempt to discard device before fs creation */
  84 static int      direct_io;
  85 static int      force;
  86 static int      noaction;
  87 static int      num_backups = 2; /* number of backup bg's for sparse_super2 */
  88 static uid_t    root_uid;
  89 static gid_t    root_gid;
  90 int     journal_size;
  91 int     journal_flags;
  92 static int      lazy_itable_init;
  93 static int      packed_meta_blocks;
  94 int             no_copy_xattrs;
  95 static char     *bad_blocks_filename = NULL;
  96 static __u32    fs_stride;
  97 /* Initialize usr/grp quotas by default */
  98 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
  99 static __u64    offset;
 100 static blk64_t journal_location = ~0LL;
 101 static int      proceed_delay = -1;
 102 static blk64_t  dev_size;
 103
 104 static struct ext2_super_block fs_param;
 105 static __u32 zero_buf[4];
 106 static char *fs_uuid = NULL;
 107 static char *creator_os;
 108 static char *volume_label;
 109 static char *mount_dir;
 110 char *journal_device;
 111 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 112 char **fs_types;
 113 const char *src_root_dir;  /* Copy files from the specified directory */
 114 static char *undo_file;
 115
 116 static int android_sparse_file; /* -E android_sparse */
 117
 118 static profile_t        profile;
 119
 120 static int sys_page_size = 4096;
 121
 122 static int errors_behavior = 0;
 123
 124 static void usage(void)
 125 {
 126         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 127         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 128         "[-J journal-options]\n"
 129         "\t[-G flex-group-size] [-N number-of-inodes] "
 130         "[-d root-directory]\n"
 131         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 132         "\t[-g blocks-per-group] [-L volume-label] "
 133         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 134         "[-r fs-revision] [-E extended-option[,...]]\n"
 135         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 136         "[-z undo_file]\n"
 137         "\t[-jnqvDFSV] device [blocks-count]\n"),
 138                 program_name);
 139         exit(1);
 140 }
 141
 142 static int int_log2(unsigned long long arg)
 143 {
 144         int     l = 0;
 145
 146         arg >>= 1;
 147         while (arg) {
 148                 l++;
 149                 arg >>= 1;
 150         }
 151         return l;
 152 }
 153
 154 int int_log10(unsigned long long arg)
 155 {
 156         int     l;
 157
 158         for (l=0; arg ; l++)
 159                 arg = arg / 10;
 160         return l;
 161 }
 162
 163 /*
 164  * Helper function for read_bb_file and test_disk
 165  */
 166 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 167 {
 168         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 169         return;
 170 }
 171
 172 /*
 173  * Reads the bad blocks list from a file
 174  */
 175 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 176                          const char *bad_blocks_file)
 177 {
 178         FILE            *f;
 179         errcode_t       retval;
 180
 181         f = fopen(bad_blocks_file, "r");
 182         if (!f) {
 183                 com_err("read_bad_blocks_file", errno,
 184                         _("while trying to open %s"), bad_blocks_file);
 185                 exit(1);
 186         }
 187         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 188         fclose (f);
 189         if (retval) {
 190                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 191                         _("while reading in list of bad blocks from file"));
 192                 exit(1);
 193         }
 194 }
 195
 196 /*
 197  * Runs the badblocks program to test the disk
 198  */
 199 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 200 {
 201         FILE            *f;
 202         errcode_t       retval;
 203         char            buf[1024];
 204
 205         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 206                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 207                 fs->device_name, ext2fs_blocks_count(fs->super)-1);
 208         if (verbose)
 209                 printf(_("Running command: %s\n"), buf);
 210         f = popen(buf, "r");
 211         if (!f) {
 212                 com_err("popen", errno,
 213                         _("while trying to run '%s'"), buf);
 214                 exit(1);
 215         }
 216         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 217         pclose(f);
 218         if (retval) {
 219                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 220                         _("while processing list of bad blocks from program"));
 221                 exit(1);
 222         }
 223 }
 224
 225 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 226 {
 227         dgrp_t                  i;
 228         blk_t                   j;
 229         unsigned                must_be_good;
 230         blk_t                   blk;
 231         badblocks_iterate       bb_iter;
 232         errcode_t               retval;
 233         blk_t                   group_block;
 234         int                     group;
 235         int                     group_bad;
 236
 237         if (!bb_list)
 238                 return;
 239
 240         /*
 241          * The primary superblock and group descriptors *must* be
 242          * good; if not, abort.
 243          */
 244         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 245         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 246                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 247                         fprintf(stderr, _("Block %d in primary "
 248                                 "superblock/group descriptor area bad.\n"), i);
 249                         fprintf(stderr, _("Blocks %u through %u must be good "
 250                                 "in order to build a filesystem.\n"),
 251                                 fs->super->s_first_data_block, must_be_good);
 252                         fputs(_("Aborting....\n"), stderr);
 253                         exit(1);
 254                 }
 255         }
 256
 257         /*
 258          * See if any of the bad blocks are showing up in the backup
 259          * superblocks and/or group descriptors.  If so, issue a
 260          * warning and adjust the block counts appropriately.
 261          */
 262         group_block = fs->super->s_first_data_block +
 263                 fs->super->s_blocks_per_group;
 264
 265         for (i = 1; i < fs->group_desc_count; i++) {
 266                 group_bad = 0;
 267                 for (j=0; j < fs->desc_blocks+1; j++) {
 268                         if (ext2fs_badblocks_list_test(bb_list,
 269                                                        group_block + j)) {
 270                                 if (!group_bad)
 271                                         fprintf(stderr,
 272 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 273 "       bad blocks.\n\n"),
 274                                                 group_block);
 275                                 group_bad++;
 276                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 277                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 278                                 ext2fs_group_desc_csum_set(fs, group);
 279                                 ext2fs_free_blocks_count_add(fs->super, 1);
 280                         }
 281                 }
 282                 group_block += fs->super->s_blocks_per_group;
 283         }
 284
 285         /*
 286          * Mark all the bad blocks as used...
 287          */
 288         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 289         if (retval) {
 290                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 291                         _("while marking bad blocks as used"));
 292                 exit(1);
 293         }
 294         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 295                 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
 296         ext2fs_badblocks_list_iterate_end(bb_iter);
 297 }
 298
 299 static void write_reserved_inodes(ext2_filsys fs)
 300 {
 301         errcode_t       retval;
 302         ext2_ino_t      ino;
 303         struct ext2_inode *inode;
 304
 305         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 306         if (retval) {
 307                 com_err("inode_init", retval, _("while allocating memory"));
 308                 exit(1);
 309         }
 310
 311         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
 312                 retval = ext2fs_write_inode_full(fs, ino, inode,
 313                                                  EXT2_INODE_SIZE(fs->super));
 314                 if (retval) {
 315                         com_err("ext2fs_write_inode_full", retval,
 316                                 _("while writing reserved inodes"));
 317                         exit(1);
 318                 }
 319         }
 320
 321         ext2fs_free_mem(&inode);
 322 }
 323
 324 static errcode_t packed_allocate_tables(ext2_filsys fs)
 325 {
 326         errcode_t       retval;
 327         dgrp_t          i;
 328         blk64_t         goal = 0;
 329
 330         for (i = 0; i < fs->group_desc_count; i++) {
 331                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 332                 if (retval)
 333                         return retval;
 334                 ext2fs_block_alloc_stats2(fs, goal, +1);
 335                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 336         }
 337         for (i = 0; i < fs->group_desc_count; i++) {
 338                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 339                 if (retval)
 340                         return retval;
 341                 ext2fs_block_alloc_stats2(fs, goal, +1);
 342                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 343         }
 344         for (i = 0; i < fs->group_desc_count; i++) {
 345                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 346                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 347                                                  fs->inode_blocks_per_group,
 348                                                  fs->block_map, &goal);
 349                 if (retval)
 350                         return retval;
 351                 ext2fs_block_alloc_stats_range(fs, goal,
 352                                                fs->inode_blocks_per_group, +1);
 353                 ext2fs_inode_table_loc_set(fs, i, goal);
 354                 ext2fs_group_desc_csum_set(fs, i);
 355         }
 356         return 0;
 357 }
 358
 359 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 360 {
 361         errcode_t       retval;
 362         blk64_t         blk;
 363         dgrp_t          i;
 364         int             num;
 365         struct ext2fs_numeric_progress_struct progress;
 366
 367         ext2fs_numeric_progress_init(fs, &progress,
 368                                      _("Writing inode tables: "),
 369                                      fs->group_desc_count);
 370
 371         for (i = 0; i < fs->group_desc_count; i++) {
 372                 ext2fs_numeric_progress_update(fs, &progress, i);
 373
 374                 blk = ext2fs_inode_table_loc(fs, i);
 375                 num = fs->inode_blocks_per_group;
 376
 377                 if (lazy_flag)
 378                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 379                                                ext2fs_bg_itable_unused(fs, i)) *
 380                                               EXT2_INODE_SIZE(fs->super),
 381                                               EXT2_BLOCK_SIZE(fs->super));
 382                 if (!lazy_flag || itable_zeroed) {
 383                         /* The kernel doesn't need to zero the itable blocks */
 384                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 385                         ext2fs_group_desc_csum_set(fs, i);
 386                 }
 387                 if (!itable_zeroed) {
 388                         retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
 389                         if (retval) {
 390                                 fprintf(stderr, _("\nCould not write %d "
 391                                           "blocks in inode table starting at %llu: %s\n"),
 392                                         num, blk, error_message(retval));
 393                                 exit(1);
 394                         }
 395                 }
 396                 if (sync_kludge) {
 397                         if (sync_kludge == 1)
 398                                 io_channel_flush(fs->io);
 399                         else if ((i % sync_kludge) == 0)
 400                                 io_channel_flush(fs->io);
 401                 }
 402         }
 403         ext2fs_numeric_progress_close(fs, &progress,
 404                                       _("done                            \n"));
 405
 406         /* Reserved inodes must always have correct checksums */
 407         if (ext2fs_has_feature_metadata_csum(fs->super))
 408                 write_reserved_inodes(fs);
 409 }
 410
 411 static void create_root_dir(ext2_filsys fs)
 412 {
 413         errcode_t               retval;
 414         struct ext2_inode       inode;
 415
 416         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 417         if (retval) {
 418                 com_err("ext2fs_mkdir", retval, "%s",
 419                         _("while creating root dir"));
 420                 exit(1);
 421         }
 422         if (root_uid != 0 || root_gid != 0) {
 423                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 424                 if (retval) {
 425                         com_err("ext2fs_read_inode", retval, "%s",
 426                                 _("while reading root inode"));
 427                         exit(1);
 428                 }
 429
 430                 inode.i_uid = root_uid;
 431                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 432                 inode.i_gid = root_gid;
 433                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 434
 435                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 436                 if (retval) {
 437                         com_err("ext2fs_write_inode", retval, "%s",
 438                                 _("while setting root inode ownership"));
 439                         exit(1);
 440                 }
 441         }
 442 }
 443
 444 static void create_lost_and_found(ext2_filsys fs)
 445 {
 446         unsigned int            lpf_size = 0;
 447         errcode_t               retval;
 448         ext2_ino_t              ino;
 449         const char              *name = "lost+found";
 450         int                     i;
 451
 452         fs->umask = 077;
 453         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 454         if (retval) {
 455                 com_err("ext2fs_mkdir", retval, "%s",
 456                         _("while creating /lost+found"));
 457                 exit(1);
 458         }
 459
 460         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 461         if (retval) {
 462                 com_err("ext2_lookup", retval, "%s",
 463                         _("while looking up /lost+found"));
 464                 exit(1);
 465         }
 466
 467         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 468                 /* Ensure that lost+found is at least 2 blocks, so we always
 469                  * test large empty blocks for big-block filesystems.  */
 470                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 471                     lpf_size >= 2 * fs->blocksize)
 472                         break;
 473                 retval = ext2fs_expand_dir(fs, ino);
 474                 if (retval) {
 475                         com_err("ext2fs_expand_dir", retval, "%s",
 476                                 _("while expanding /lost+found"));
 477                         exit(1);
 478                 }
 479         }
 480 }
 481
 482 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 483 {
 484         errcode_t       retval;
 485
 486         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 487         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 488         retval = ext2fs_update_bb_inode(fs, bb_list);
 489         if (retval) {
 490                 com_err("ext2fs_update_bb_inode", retval, "%s",
 491                         _("while setting bad block inode"));
 492                 exit(1);
 493         }
 494
 495 }
 496
 497 static void reserve_inodes(ext2_filsys fs)
 498 {
 499         ext2_ino_t      i;
 500
 501         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 502                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 503         ext2fs_mark_ib_dirty(fs);
 504 }
 505
 506 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 507 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 508 #define BSD_LABEL_OFFSET        64
 509
 510 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 511 {
 512         char *buf;
 513         int retval;
 514         unsigned int *magic;
 515
 516         buf = calloc(512, nsect);
 517         if (!buf) {
 518                 printf(_("Out of memory erasing sectors %d-%d\n"),
 519                        sect, sect + nsect - 1);
 520                 exit(1);
 521         }
 522
 523         if (sect == 0) {
 524                 /* Check for a BSD disklabel, and don't erase it if so */
 525                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 526                 if (retval)
 527                         fprintf(stderr,
 528                                 _("Warning: could not read block 0: %s\n"),
 529                                 error_message(retval));
 530                 else {
 531                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 532                         if ((*magic == BSD_DISKMAGIC) ||
 533                             (*magic == BSD_MAGICDISK))
 534                                 return;
 535                 }
 536         }
 537
 538         memset(buf, 0, 512*nsect);
 539         io_channel_set_blksize(fs->io, 512);
 540         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 541         io_channel_set_blksize(fs->io, fs->blocksize);
 542         free(buf);
 543         if (retval)
 544                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 545                         sect, error_message(retval));
 546 }
 547
 548 static void create_journal_dev(ext2_filsys fs)
 549 {
 550         struct ext2fs_numeric_progress_struct progress;
 551         errcode_t               retval;
 552         char                    *buf;
 553         blk64_t                 blk, err_blk;
 554         int                     c, count, err_count;
 555
 556         retval = ext2fs_create_journal_superblock(fs,
 557                                   ext2fs_blocks_count(fs->super), 0, &buf);
 558         if (retval) {
 559                 com_err("create_journal_dev", retval, "%s",
 560                         _("while initializing journal superblock"));
 561                 exit(1);
 562         }
 563
 564         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 565                 goto write_superblock;
 566
 567         ext2fs_numeric_progress_init(fs, &progress,
 568                                      _("Zeroing journal device: "),
 569                                      ext2fs_blocks_count(fs->super));
 570         blk = 0;
 571         count = ext2fs_blocks_count(fs->super);
 572         while (count > 0) {
 573                 if (count > 1024)
 574                         c = 1024;
 575                 else
 576                         c = count;
 577                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 578                 if (retval) {
 579                         com_err("create_journal_dev", retval,
 580                                 _("while zeroing journal device "
 581                                   "(block %llu, count %d)"),
 582                                 err_blk, err_count);
 583                         exit(1);
 584                 }
 585                 blk += c;
 586                 count -= c;
 587                 ext2fs_numeric_progress_update(fs, &progress, blk);
 588         }
 589
 590         ext2fs_numeric_progress_close(fs, &progress, NULL);
 591 write_superblock:
 592         retval = io_channel_write_blk64(fs->io,
 593                                         fs->super->s_first_data_block+1,
 594                                         1, buf);
 595         (void) ext2fs_free_mem(&buf);
 596         if (retval) {
 597                 com_err("create_journal_dev", retval, "%s",
 598                         _("while writing journal superblock"));
 599                 exit(1);
 600         }
 601 }
 602
 603 static void show_stats(ext2_filsys fs)
 604 {
 605         struct ext2_super_block *s = fs->super;
 606         char                    buf[80];
 607         char                    *os;
 608         blk64_t                 group_block;
 609         dgrp_t                  i;
 610         int                     need, col_left;
 611
 612         if (!verbose) {
 613                 printf(_("Creating filesystem with %llu %dk blocks and "
 614                          "%u inodes\n"),
 615                        ext2fs_blocks_count(s), fs->blocksize >> 10,
 616                        s->s_inodes_count);
 617                 goto skip_details;
 618         }
 619
 620         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 621                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 622                        ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
 623
 624         memset(buf, 0, sizeof(buf));
 625         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 626         printf(_("Filesystem label=%s\n"), buf);
 627         os = e2p_os2string(fs->super->s_creator_os);
 628         if (os)
 629                 printf(_("OS type: %s\n"), os);
 630         free(os);
 631         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 632                 s->s_log_block_size);
 633         if (ext2fs_has_feature_bigalloc(fs->super))
 634                 printf(_("Cluster size=%u (log=%u)\n"),
 635                        fs->blocksize << fs->cluster_ratio_bits,
 636                        s->s_log_cluster_size);
 637         else
 638                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 639                        s->s_log_cluster_size);
 640         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 641                s->s_raid_stride, s->s_raid_stripe_width);
 642         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 643                ext2fs_blocks_count(s));
 644         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 645                 ext2fs_r_blocks_count(s),
 646                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 647         printf(_("First data block=%u\n"), s->s_first_data_block);
 648         if (root_uid != 0 || root_gid != 0)
 649                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 650         if (s->s_reserved_gdt_blocks)
 651                 printf(_("Maximum filesystem blocks=%lu\n"),
 652                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 653                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 654         if (fs->group_desc_count > 1)
 655                 printf(_("%u block groups\n"), fs->group_desc_count);
 656         else
 657                 printf(_("%u block group\n"), fs->group_desc_count);
 658         if (ext2fs_has_feature_bigalloc(fs->super))
 659                 printf(_("%u blocks per group, %u clusters per group\n"),
 660                        s->s_blocks_per_group, s->s_clusters_per_group);
 661         else
 662                 printf(_("%u blocks per group, %u fragments per group\n"),
 663                        s->s_blocks_per_group, s->s_clusters_per_group);
 664         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 665
 666 skip_details:
 667         if (fs->group_desc_count == 1) {
 668                 printf("\n");
 669                 return;
 670         }
 671
 672         if (!e2p_is_null_uuid(s->s_uuid))
 673                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 674         printf("%s", _("Superblock backups stored on blocks: "));
 675         group_block = s->s_first_data_block;
 676         col_left = 0;
 677         for (i = 1; i < fs->group_desc_count; i++) {
 678                 group_block += s->s_blocks_per_group;
 679                 if (!ext2fs_bg_has_super(fs, i))
 680                         continue;
 681                 if (i != 1)
 682                         printf(", ");
 683                 need = int_log10(group_block) + 2;
 684                 if (need > col_left) {
 685                         printf("\n\t");
 686                         col_left = 72;
 687                 }
 688                 col_left -= need;
 689                 printf("%llu", group_block);
 690         }
 691         printf("\n\n");
 692 }
 693
 694 /*
 695  * Returns true if making a file system for the Hurd, else 0
 696  */
 697 static int for_hurd(const char *os)
 698 {
 699         if (!os) {
 700 #ifdef __GNU__
 701                 return 1;
 702 #else
 703                 return 0;
 704 #endif
 705         }
 706         if (isdigit(*os))
 707                 return (atoi(os) == EXT2_OS_HURD);
 708         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 709 }
 710
 711 /*
 712  * Set the S_CREATOR_OS field.  Return true if OS is known,
 713  * otherwise, 0.
 714  */
 715 static int set_os(struct ext2_super_block *sb, char *os)
 716 {
 717         if (isdigit (*os))
 718                 sb->s_creator_os = atoi (os);
 719         else if (strcasecmp(os, "linux") == 0)
 720                 sb->s_creator_os = EXT2_OS_LINUX;
 721         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 722                 sb->s_creator_os = EXT2_OS_HURD;
 723         else if (strcasecmp(os, "freebsd") == 0)
 724                 sb->s_creator_os = EXT2_OS_FREEBSD;
 725         else if (strcasecmp(os, "lites") == 0)
 726                 sb->s_creator_os = EXT2_OS_LITES;
 727         else
 728                 return 0;
 729         return 1;
 730 }
 731
 732 #define PATH_SET "PATH=/sbin"
 733
 734 static void parse_extended_opts(struct ext2_super_block *param,
 735                                 const char *opts)
 736 {
 737         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 738         int     len;
 739         int     r_usage = 0;
 740         int     ret;
 741
 742         len = strlen(opts);
 743         buf = malloc(len+1);
 744         if (!buf) {
 745                 fprintf(stderr, "%s",
 746                         _("Couldn't allocate memory to parse options!\n"));
 747                 exit(1);
 748         }
 749         strcpy(buf, opts);
 750         for (token = buf; token && *token; token = next) {
 751                 p = strchr(token, ',');
 752                 next = 0;
 753                 if (p) {
 754                         *p = 0;
 755                         next = p+1;
 756                 }
 757                 arg = strchr(token, '=');
 758                 if (arg) {
 759                         *arg = 0;
 760                         arg++;
 761                 }
 762                 if (strcmp(token, "desc-size") == 0 ||
 763                     strcmp(token, "desc_size") == 0) {
 764                         int desc_size;
 765
 766                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 767                                 fprintf(stderr,
 768                                         _("%s requires '-O 64bit'\n"), token);
 769                                 r_usage++;
 770                                 continue;
 771                         }
 772                         if (param->s_reserved_gdt_blocks != 0) {
 773                                 fprintf(stderr,
 774                                         _("'%s' must be before 'resize=%u'\n"),
 775                                         token, param->s_reserved_gdt_blocks);
 776                                 r_usage++;
 777                                 continue;
 778                         }
 779                         if (!arg) {
 780                                 r_usage++;
 781                                 badopt = token;
 782                                 continue;
 783                         }
 784                         desc_size = strtoul(arg, &p, 0);
 785                         if (*p || (desc_size & (desc_size - 1))) {
 786                                 fprintf(stderr,
 787                                         _("Invalid desc_size: '%s'\n"), arg);
 788                                 r_usage++;
 789                                 continue;
 790                         }
 791                         param->s_desc_size = desc_size;
 792                 } else if (strcmp(token, "hash_seed") == 0) {
 793                         if (!arg) {
 794                                 r_usage++;
 795                                 badopt = token;
 796                                 continue;
 797                         }
 798                         if (uuid_parse(arg,
 799                                 (unsigned char *)param->s_hash_seed) != 0) {
 800                                 fprintf(stderr,
 801                                         _("Invalid hash seed: %s\n"), arg);
 802                                 r_usage++;
 803                                 continue;
 804                         }
 805                 } else if (strcmp(token, "offset") == 0) {
 806                         if (!arg) {
 807                                 r_usage++;
 808                                 badopt = token;
 809                                 continue;
 810                         }
 811                         offset = strtoull(arg, &p, 0);
 812                         if (*p) {
 813                                 fprintf(stderr, _("Invalid offset: %s\n"),
 814                                         arg);
 815                                 r_usage++;
 816                                 continue;
 817                         }
 818                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 819                         if (!arg) {
 820                                 r_usage++;
 821                                 badopt = token;
 822                                 continue;
 823                         }
 824                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 825                         if (*p) {
 826                                 fprintf(stderr,
 827                                         _("Invalid mmp_update_interval: %s\n"),
 828                                         arg);
 829                                 r_usage++;
 830                                 continue;
 831                         }
 832                 } else if (strcmp(token, "no_copy_xattrs") == 0) {
 833                         no_copy_xattrs = 1;
 834                         continue;
 835                 } else if (strcmp(token, "num_backup_sb") == 0) {
 836                         if (!arg) {
 837                                 r_usage++;
 838                                 badopt = token;
 839                                 continue;
 840                         }
 841                         num_backups = strtoul(arg, &p, 0);
 842                         if (*p || num_backups > 2) {
 843                                 fprintf(stderr,
 844                                         _("Invalid # of backup "
 845                                           "superblocks: %s\n"),
 846                                         arg);
 847                                 r_usage++;
 848                                 continue;
 849                         }
 850                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 851                         if (arg)
 852                                 packed_meta_blocks = strtoul(arg, &p, 0);
 853                         else
 854                                 packed_meta_blocks = 1;
 855                         if (packed_meta_blocks)
 856                                 journal_location = 0;
 857                 } else if (strcmp(token, "stride") == 0) {
 858                         if (!arg) {
 859                                 r_usage++;
 860                                 badopt = token;
 861                                 continue;
 862                         }
 863                         param->s_raid_stride = strtoul(arg, &p, 0);
 864                         if (*p) {
 865                                 fprintf(stderr,
 866                                         _("Invalid stride parameter: %s\n"),
 867                                         arg);
 868                                 r_usage++;
 869                                 continue;
 870                         }
 871                 } else if (strcmp(token, "stripe-width") == 0 ||
 872                            strcmp(token, "stripe_width") == 0) {
 873                         if (!arg) {
 874                                 r_usage++;
 875                                 badopt = token;
 876                                 continue;
 877                         }
 878                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 879                         if (*p) {
 880                                 fprintf(stderr,
 881                                         _("Invalid stripe-width parameter: %s\n"),
 882                                         arg);
 883                                 r_usage++;
 884                                 continue;
 885                         }
 886                 } else if (!strcmp(token, "resize")) {
 887                         blk64_t resize;
 888                         unsigned long bpg, rsv_groups;
 889                         unsigned long group_desc_count, desc_blocks;
 890                         unsigned int gdpb, blocksize;
 891                         int rsv_gdb;
 892
 893                         if (!arg) {
 894                                 r_usage++;
 895                                 badopt = token;
 896                                 continue;
 897                         }
 898
 899                         resize = parse_num_blocks2(arg,
 900                                                    param->s_log_block_size);
 901
 902                         if (resize == 0) {
 903                                 fprintf(stderr,
 904                                         _("Invalid resize parameter: %s\n"),
 905                                         arg);
 906                                 r_usage++;
 907                                 continue;
 908                         }
 909                         if (resize <= ext2fs_blocks_count(param)) {
 910                                 fprintf(stderr, "%s",
 911                                         _("The resize maximum must be greater "
 912                                           "than the filesystem size.\n"));
 913                                 r_usage++;
 914                                 continue;
 915                         }
 916
 917                         blocksize = EXT2_BLOCK_SIZE(param);
 918                         bpg = param->s_blocks_per_group;
 919                         if (!bpg)
 920                                 bpg = blocksize * 8;
 921                         gdpb = EXT2_DESC_PER_BLOCK(param);
 922                         group_desc_count = (__u32) ext2fs_div64_ceil(
 923                                 ext2fs_blocks_count(param), bpg);
 924                         desc_blocks = (group_desc_count +
 925                                        gdpb - 1) / gdpb;
 926                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 927                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 928                                 desc_blocks;
 929                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 930                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 931
 932                         if (rsv_gdb > 0) {
 933                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 934                                         fprintf(stderr, "%s",
 935         _("On-line resizing not supported with revision 0 filesystems\n"));
 936                                         free(buf);
 937                                         exit(1);
 938                                 }
 939                                 ext2fs_set_feature_resize_inode(param);
 940
 941                                 param->s_reserved_gdt_blocks = rsv_gdb;
 942                         }
 943                 } else if (!strcmp(token, "test_fs")) {
 944                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 945                 } else if (!strcmp(token, "lazy_itable_init")) {
 946                         if (arg)
 947                                 lazy_itable_init = strtoul(arg, &p, 0);
 948                         else
 949                                 lazy_itable_init = 1;
 950                 } else if (!strcmp(token, "lazy_journal_init")) {
 951                         if (arg)
 952                                 journal_flags |= strtoul(arg, &p, 0) ?
 953                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
 954                         else
 955                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
 956                 } else if (!strcmp(token, "root_owner")) {
 957                         if (arg) {
 958                                 root_uid = strtoul(arg, &p, 0);
 959                                 if (*p != ':') {
 960                                         fprintf(stderr,
 961                                                 _("Invalid root_owner: '%s'\n"),
 962                                                 arg);
 963                                         r_usage++;
 964                                         continue;
 965                                 }
 966                                 p++;
 967                                 root_gid = strtoul(p, &p, 0);
 968                                 if (*p) {
 969                                         fprintf(stderr,
 970                                                 _("Invalid root_owner: '%s'\n"),
 971                                                 arg);
 972                                         r_usage++;
 973                                         continue;
 974                                 }
 975                         } else {
 976                                 root_uid = getuid();
 977                                 root_gid = getgid();
 978                         }
 979                 } else if (!strcmp(token, "discard")) {
 980                         discard = 1;
 981                 } else if (!strcmp(token, "nodiscard")) {
 982                         discard = 0;
 983                 } else if (!strcmp(token, "quotatype")) {
 984                         char *errtok = NULL;
 985
 986                         if (!arg) {
 987                                 r_usage++;
 988                                 badopt = token;
 989                                 continue;
 990                         }
 991                         quotatype_bits = 0;
 992                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
 993                         if (ret) {
 994                                 if (errtok) {
 995                                         fprintf(stderr,
 996                                 "Failed to parse quota type at %s", errtok);
 997                                         free(errtok);
 998                                 } else
 999                                         com_err(program_name, ret,
1000                                                 "while parsing quota type");
1001                                 r_usage++;
1002                                 badopt = token;
1003                                 continue;
1004                         }
1005                 } else if (!strcmp(token, "android_sparse")) {
1006                         android_sparse_file = 1;
1007                 } else {
1008                         r_usage++;
1009                         badopt = token;
1010                 }
1011         }
1012         if (r_usage) {
1013                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1014                         "Extended options are separated by commas, "
1015                         "and may take an argument which\n"
1016                         "\tis set off by an equals ('=') sign.\n\n"
1017                         "Valid extended options are:\n"
1018                         "\tmmp_update_interval=<interval>\n"
1019                         "\tnum_backup_sb=<0|1|2>\n"
1020                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1021                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1022                         "\toffset=<offset to create the file system>\n"
1023                         "\tresize=<resize maximum size in blocks>\n"
1024                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1025                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1026                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1027                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1028                         "\ttest_fs\n"
1029                         "\tdiscard\n"
1030                         "\tnodiscard\n"
1031                         "\tquotatype=<quota type(s) to be enabled>\n\n"),
1032                         badopt ? badopt : "");
1033                 free(buf);
1034                 exit(1);
1035         }
1036         if (param->s_raid_stride &&
1037             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1038                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1039                                   "multiple of stride %u.\n\n"),
1040                         param->s_raid_stripe_width, param->s_raid_stride);
1041
1042         free(buf);
1043 }
1044
1045 static __u32 ok_features[3] = {
1046         /* Compat */
1047         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1048                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1049                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1050                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1051                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1052         /* Incompat */
1053         EXT2_FEATURE_INCOMPAT_FILETYPE|
1054                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1055                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1056                 EXT2_FEATURE_INCOMPAT_META_BG|
1057                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1058                 EXT4_FEATURE_INCOMPAT_EA_INODE|
1059                 EXT4_FEATURE_INCOMPAT_MMP |
1060                 EXT4_FEATURE_INCOMPAT_DIRDATA|
1061                 EXT4_FEATURE_INCOMPAT_64BIT|
1062                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1063                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1064                 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1065                 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1066         /* R/O compat */
1067         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1068                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1069                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1070                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1071                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1072                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1073                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1074                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1075                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1076                 EXT4_FEATURE_RO_COMPAT_PROJECT|
1077                 EXT4_FEATURE_RO_COMPAT_VERITY
1078 };
1079
1080
1081 static void syntax_err_report(const char *filename, long err, int line_num)
1082 {
1083         fprintf(stderr,
1084                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1085                 filename, line_num, error_message(err));
1086         exit(1);
1087 }
1088
1089 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1090
1091 static void edit_feature(const char *str, __u32 *compat_array)
1092 {
1093         if (!str)
1094                 return;
1095
1096         if (e2p_edit_feature(str, compat_array, ok_features)) {
1097                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1098                         str);
1099                 exit(1);
1100         }
1101 }
1102
1103 static void edit_mntopts(const char *str, __u32 *mntopts)
1104 {
1105         if (!str)
1106                 return;
1107
1108         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1109                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1110                         str);
1111                 exit(1);
1112         }
1113 }
1114
1115 struct str_list {
1116         char **list;
1117         int num;
1118         int max;
1119 };
1120
1121 static errcode_t init_list(struct str_list *sl)
1122 {
1123         sl->num = 0;
1124         sl->max = 1;
1125         sl->list = malloc((sl->max+1) * sizeof(char *));
1126         if (!sl->list)
1127                 return ENOMEM;
1128         sl->list[0] = 0;
1129         return 0;
1130 }
1131
1132 static errcode_t push_string(struct str_list *sl, const char *str)
1133 {
1134         char **new_list;
1135
1136         if (sl->num >= sl->max) {
1137                 sl->max += 2;
1138                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1139                 if (!new_list)
1140                         return ENOMEM;
1141                 sl->list = new_list;
1142         }
1143         sl->list[sl->num] = malloc(strlen(str)+1);
1144         if (sl->list[sl->num] == 0)
1145                 return ENOMEM;
1146         strcpy(sl->list[sl->num], str);
1147         sl->num++;
1148         sl->list[sl->num] = 0;
1149         return 0;
1150 }
1151
1152 static void print_str_list(char **list)
1153 {
1154         char **cpp;
1155
1156         for (cpp = list; *cpp; cpp++) {
1157                 printf("'%s'", *cpp);
1158                 if (cpp[1])
1159                         fputs(", ", stdout);
1160         }
1161         fputc('\n', stdout);
1162 }
1163
1164 /*
1165  * Return TRUE if the profile has the given subsection
1166  */
1167 static int profile_has_subsection(profile_t prof, const char *section,
1168                                   const char *subsection)
1169 {
1170         void                    *state;
1171         const char              *names[4];
1172         char                    *name;
1173         int                     ret = 0;
1174
1175         names[0] = section;
1176         names[1] = subsection;
1177         names[2] = 0;
1178
1179         if (profile_iterator_create(prof, names,
1180                                     PROFILE_ITER_LIST_SECTION |
1181                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1182                 return 0;
1183
1184         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1185                 free(name);
1186                 ret = 1;
1187         }
1188
1189         profile_iterator_free(&state);
1190         return ret;
1191 }
1192
1193 static char **parse_fs_type(const char *fs_type,
1194                             const char *usage_types,
1195                             struct ext2_super_block *sb,
1196                             blk64_t fs_blocks_count,
1197                             char *progname)
1198 {
1199         const char      *ext_type = 0;
1200         char            *parse_str;
1201         char            *profile_type = 0;
1202         char            *cp, *t;
1203         const char      *size_type;
1204         struct str_list list;
1205         unsigned long long meg;
1206         int             is_hurd = for_hurd(creator_os);
1207
1208         if (init_list(&list))
1209                 return 0;
1210
1211         if (fs_type)
1212                 ext_type = fs_type;
1213         else if (is_hurd)
1214                 ext_type = "ext2";
1215         else if (!strcmp(program_name, "mke3fs"))
1216                 ext_type = "ext3";
1217         else if (!strcmp(program_name, "mke4fs"))
1218                 ext_type = "ext4";
1219         else if (progname) {
1220                 ext_type = strrchr(progname, '/');
1221                 if (ext_type)
1222                         ext_type++;
1223                 else
1224                         ext_type = progname;
1225
1226                 if (!strncmp(ext_type, "mkfs.", 5)) {
1227                         ext_type += 5;
1228                         if (ext_type[0] == 0)
1229                                 ext_type = 0;
1230                 } else
1231                         ext_type = 0;
1232         }
1233
1234         if (!ext_type) {
1235                 profile_get_string(profile, "defaults", "fs_type", 0,
1236                                    "ext2", &profile_type);
1237                 ext_type = profile_type;
1238                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1239                         ext_type = "ext3";
1240         }
1241
1242
1243         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1244             strcmp(ext_type, "ext2")) {
1245                 printf(_("\nYour mke2fs.conf file does not define the "
1246                          "%s filesystem type.\n"), ext_type);
1247                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1248                     !strcmp(ext_type, "ext4dev")) {
1249                         printf("%s", _("You probably need to install an "
1250                                        "updated mke2fs.conf file.\n\n"));
1251                 }
1252                 if (!force) {
1253                         printf("%s", _("Aborting...\n"));
1254                         exit(1);
1255                 }
1256         }
1257
1258         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1259         if (fs_blocks_count < 3 * meg)
1260                 size_type = "floppy";
1261         else if (fs_blocks_count < 512 * meg)
1262                 size_type = "small";
1263         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1264                 size_type = "default";
1265         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1266                 size_type = "big";
1267         else
1268                 size_type = "huge";
1269
1270         if (!usage_types)
1271                 usage_types = size_type;
1272
1273         parse_str = malloc(strlen(usage_types)+1);
1274         if (!parse_str) {
1275                 free(profile_type);
1276                 free(list.list);
1277                 return 0;
1278         }
1279         strcpy(parse_str, usage_types);
1280
1281         if (ext_type)
1282                 push_string(&list, ext_type);
1283         cp = parse_str;
1284         while (1) {
1285                 t = strchr(cp, ',');
1286                 if (t)
1287                         *t = '\0';
1288
1289                 if (*cp) {
1290                         if (profile_has_subsection(profile, "fs_types", cp))
1291                                 push_string(&list, cp);
1292                         else if (strcmp(cp, "default") != 0)
1293                                 fprintf(stderr,
1294                                         _("\nWarning: the fs_type %s is not "
1295                                           "defined in mke2fs.conf\n\n"),
1296                                         cp);
1297                 }
1298                 if (t)
1299                         cp = t+1;
1300                 else
1301                         break;
1302         }
1303         free(parse_str);
1304         free(profile_type);
1305         if (is_hurd)
1306                 push_string(&list, "hurd");
1307         return (list.list);
1308 }
1309
1310 char *get_string_from_profile(char **types, const char *opt,
1311                                      const char *def_val)
1312 {
1313         char *ret = 0;
1314         int i;
1315
1316         for (i=0; types[i]; i++);
1317         for (i-=1; i >=0 ; i--) {
1318                 profile_get_string(profile, "fs_types", types[i],
1319                                    opt, 0, &ret);
1320                 if (ret)
1321                         return ret;
1322         }
1323         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1324         return (ret);
1325 }
1326
1327 int get_int_from_profile(char **types, const char *opt, int def_val)
1328 {
1329         int ret;
1330         char **cpp;
1331
1332         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1333         for (cpp = types; *cpp; cpp++)
1334                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1335         return ret;
1336 }
1337
1338 static unsigned int get_uint_from_profile(char **types, const char *opt,
1339                                         unsigned int def_val)
1340 {
1341         unsigned int ret;
1342         char **cpp;
1343
1344         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1345         for (cpp = types; *cpp; cpp++)
1346                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1347         return ret;
1348 }
1349
1350 static double get_double_from_profile(char **types, const char *opt,
1351                                       double def_val)
1352 {
1353         double ret;
1354         char **cpp;
1355
1356         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1357         for (cpp = types; *cpp; cpp++)
1358                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1359         return ret;
1360 }
1361
1362 int get_bool_from_profile(char **types, const char *opt, int def_val)
1363 {
1364         int ret;
1365         char **cpp;
1366
1367         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1368         for (cpp = types; *cpp; cpp++)
1369                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1370         return ret;
1371 }
1372
1373 extern const char *mke2fs_default_profile;
1374 static const char *default_files[] = { "<default>", 0 };
1375
1376 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1377 /*
1378  * Sets the geometry of a device (stripe/stride), and returns the
1379  * device's alignment offset, if any, or a negative error.
1380  */
1381 static int get_device_geometry(const char *file,
1382                                struct ext2_super_block *param,
1383                                unsigned int psector_size)
1384 {
1385         int rc = -1;
1386         unsigned int blocksize;
1387         blkid_probe pr;
1388         blkid_topology tp;
1389         unsigned long min_io;
1390         unsigned long opt_io;
1391         struct stat statbuf;
1392
1393         /* Nothing to do for a regular file */
1394         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1395                 return 0;
1396
1397         pr = blkid_new_probe_from_filename(file);
1398         if (!pr)
1399                 goto out;
1400
1401         tp = blkid_probe_get_topology(pr);
1402         if (!tp)
1403                 goto out;
1404
1405         min_io = blkid_topology_get_minimum_io_size(tp);
1406         opt_io = blkid_topology_get_optimal_io_size(tp);
1407         blocksize = EXT2_BLOCK_SIZE(param);
1408         if ((min_io == 0) && (psector_size > blocksize))
1409                 min_io = psector_size;
1410         if ((opt_io == 0) && min_io)
1411                 opt_io = min_io;
1412         if ((opt_io == 0) && (psector_size > blocksize))
1413                 opt_io = psector_size;
1414
1415         /* setting stripe/stride to blocksize is pointless */
1416         if (min_io > blocksize)
1417                 param->s_raid_stride = min_io / blocksize;
1418         if (opt_io > blocksize)
1419                 param->s_raid_stripe_width = opt_io / blocksize;
1420
1421         rc = blkid_topology_get_alignment_offset(tp);
1422 out:
1423         blkid_free_probe(pr);
1424         return rc;
1425 }
1426 #endif
1427
1428 static void PRS(int argc, char *argv[])
1429 {
1430         int             b, c, flags;
1431         int             cluster_size = 0;
1432         char            *tmp, **cpp;
1433         int             explicit_fssize = 0;
1434         int             blocksize = 0;
1435         int             inode_ratio = 0;
1436         int             inode_size = 0;
1437         unsigned long   flex_bg_size = 0;
1438         double          reserved_ratio = -1.0;
1439         int             lsector_size = 0, psector_size = 0;
1440         int             show_version_only = 0, is_device = 0;
1441         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1442         errcode_t       retval;
1443         char *          oldpath = getenv("PATH");
1444         char *          extended_opts = 0;
1445         char *          fs_type = 0;
1446         char *          usage_types = 0;
1447         /*
1448          * NOTE: A few words about fs_blocks_count and blocksize:
1449          *
1450          * Initially, blocksize is set to zero, which implies 1024.
1451          * If -b is specified, blocksize is updated to the user's value.
1452          *
1453          * Next, the device size or the user's "blocks" command line argument
1454          * is used to set fs_blocks_count; the units are blocksize.
1455          *
1456          * Later, if blocksize hasn't been set and the profile specifies a
1457          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1458          * appropriately.  Note the change in units!
1459          *
1460          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1461          */
1462         blk64_t         fs_blocks_count = 0;
1463         long            sysval;
1464         int             s_opt = -1, r_opt = -1;
1465         char            *fs_features = 0;
1466         int             fs_features_size = 0;
1467         int             use_bsize;
1468         char            *newpath;
1469         int             pathlen = sizeof(PATH_SET) + 1;
1470
1471         if (oldpath)
1472                 pathlen += strlen(oldpath);
1473         newpath = malloc(pathlen);
1474         if (!newpath) {
1475                 fprintf(stderr, "%s",
1476                         _("Couldn't allocate memory for new PATH.\n"));
1477                 exit(1);
1478         }
1479         strcpy(newpath, PATH_SET);
1480
1481         /* Update our PATH to include /sbin  */
1482         if (oldpath) {
1483                 strcat (newpath, ":");
1484                 strcat (newpath, oldpath);
1485         }
1486         putenv (newpath);
1487
1488         /* Determine the system page size if possible */
1489 #ifdef HAVE_SYSCONF
1490 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1491 #define _SC_PAGESIZE _SC_PAGE_SIZE
1492 #endif
1493 #ifdef _SC_PAGESIZE
1494         sysval = sysconf(_SC_PAGESIZE);
1495         if (sysval > 0)
1496                 sys_page_size = sysval;
1497 #endif /* _SC_PAGESIZE */
1498 #endif /* HAVE_SYSCONF */
1499
1500         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1501                 config_fn[0] = tmp;
1502         profile_set_syntax_err_cb(syntax_err_report);
1503         retval = profile_init(config_fn, &profile);
1504         if (retval == ENOENT) {
1505                 retval = profile_init(default_files, &profile);
1506                 if (retval)
1507                         goto profile_error;
1508                 retval = profile_set_default(profile, mke2fs_default_profile);
1509                 if (retval)
1510                         goto profile_error;
1511         } else if (retval) {
1512 profile_error:
1513                 fprintf(stderr, _("Couldn't init profile successfully"
1514                                   " (error: %ld).\n"), retval);
1515                 exit(1);
1516         }
1517
1518         setbuf(stdout, NULL);
1519         setbuf(stderr, NULL);
1520         add_error_table(&et_ext2_error_table);
1521         add_error_table(&et_prof_error_table);
1522         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1523         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1524
1525         if (ext2fs_is_before_linux_ver(2, 2, 0))
1526                 fs_param.s_rev_level = 0;
1527
1528         if (argc && *argv) {
1529                 program_name = get_progname(*argv);
1530
1531                 /* If called as mkfs.ext3, create a journal inode */
1532                 if (!strcmp(program_name, "mkfs.ext3") ||
1533                     !strcmp(program_name, "mke3fs"))
1534                         journal_size = -1;
1535         }
1536
1537         while ((c = getopt (argc, argv,
1538                     "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) {
1539                 switch (c) {
1540                 case 'b':
1541                         blocksize = parse_num_blocks2(optarg, -1);
1542                         b = (blocksize > 0) ? blocksize : -blocksize;
1543                         if (b < EXT2_MIN_BLOCK_SIZE ||
1544                             b > EXT2_MAX_BLOCK_SIZE) {
1545                                 com_err(program_name, 0,
1546                                         _("invalid block size - %s"), optarg);
1547                                 exit(1);
1548                         }
1549                         if (blocksize > 4096)
1550                                 fprintf(stderr, _("Warning: blocksize %d not "
1551                                                   "usable on most systems.\n"),
1552                                         blocksize);
1553                         if (blocksize > 0)
1554                                 fs_param.s_log_block_size =
1555                                         int_log2(blocksize >>
1556                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1557                         break;
1558                 case 'c':       /* Check for bad blocks */
1559                         cflag++;
1560                         break;
1561                 case 'C':
1562                         cluster_size = parse_num_blocks2(optarg, -1);
1563                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1564                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1565                                 com_err(program_name, 0,
1566                                         _("invalid cluster size - %s"),
1567                                         optarg);
1568                                 exit(1);
1569                         }
1570                         break;
1571                 case 'd':
1572                         src_root_dir = optarg;
1573                         break;
1574                 case 'D':
1575                         direct_io = 1;
1576                         break;
1577                 case 'R':
1578                         com_err(program_name, 0, "%s",
1579                                 _("'-R' is deprecated, use '-E' instead"));
1580                         /* fallthrough */
1581                 case 'E':
1582                         extended_opts = optarg;
1583                         break;
1584                 case 'e':
1585                         if (strcmp(optarg, "continue") == 0)
1586                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1587                         else if (strcmp(optarg, "remount-ro") == 0)
1588                                 errors_behavior = EXT2_ERRORS_RO;
1589                         else if (strcmp(optarg, "panic") == 0)
1590                                 errors_behavior = EXT2_ERRORS_PANIC;
1591                         else {
1592                                 com_err(program_name, 0,
1593                                         _("bad error behavior - %s"),
1594                                         optarg);
1595                                 usage();
1596                         }
1597                         break;
1598                 case 'F':
1599                         force++;
1600                         break;
1601                 case 'g':
1602                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1603                         if (*tmp) {
1604                                 com_err(program_name, 0, "%s",
1605                                 _("Illegal number for blocks per group"));
1606                                 exit(1);
1607                         }
1608                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1609                                 com_err(program_name, 0, "%s",
1610                                 _("blocks per group must be multiple of 8"));
1611                                 exit(1);
1612                         }
1613                         break;
1614                 case 'G':
1615                         flex_bg_size = strtoul(optarg, &tmp, 0);
1616                         if (*tmp) {
1617                                 com_err(program_name, 0, "%s",
1618                                         _("Illegal number for flex_bg size"));
1619                                 exit(1);
1620                         }
1621                         if (flex_bg_size < 1 ||
1622                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1623                                 com_err(program_name, 0, "%s",
1624                                         _("flex_bg size must be a power of 2"));
1625                                 exit(1);
1626                         }
1627                         if (flex_bg_size > MAX_32_NUM) {
1628                                 com_err(program_name, 0,
1629                                 _("flex_bg size (%lu) must be less than"
1630                                 " or equal to 2^31"), flex_bg_size);
1631                                 exit(1);
1632                         }
1633                         break;
1634                 case 'i':
1635                         inode_ratio = parse_num_blocks(optarg, -1);
1636                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1637                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1638                                 com_err(program_name, 0,
1639                                         _("invalid inode ratio %s (min %d/max %d)"),
1640                                         optarg, EXT2_MIN_BLOCK_SIZE,
1641                                         EXT2_MAX_BLOCK_SIZE * 1024);
1642                                 exit(1);
1643                         }
1644                         break;
1645                 case 'I':
1646                         inode_size = strtoul(optarg, &tmp, 0);
1647                         if (*tmp) {
1648                                 com_err(program_name, 0,
1649                                         _("invalid inode size - %s"), optarg);
1650                                 exit(1);
1651                         }
1652                         break;
1653                 case 'j':
1654                         if (!journal_size)
1655                                 journal_size = -1;
1656                         break;
1657                 case 'J':
1658                         parse_journal_opts(optarg);
1659                         break;
1660                 case 'K':
1661                         fprintf(stderr, "%s",
1662                                 _("Warning: -K option is deprecated and "
1663                                   "should not be used anymore. Use "
1664                                   "\'-E nodiscard\' extended option "
1665                                   "instead!\n"));
1666                         discard = 0;
1667                         break;
1668                 case 'l':
1669                         bad_blocks_filename = realloc(bad_blocks_filename,
1670                                                       strlen(optarg) + 1);
1671                         if (!bad_blocks_filename) {
1672                                 com_err(program_name, ENOMEM, "%s",
1673                                         _("in malloc for bad_blocks_filename"));
1674                                 exit(1);
1675                         }
1676                         strcpy(bad_blocks_filename, optarg);
1677                         break;
1678                 case 'L':
1679                         volume_label = optarg;
1680                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1681                                 volume_label[EXT2_LABEL_LEN] = '\0';
1682                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1683                                         volume_label);
1684                         }
1685                         break;
1686                 case 'm':
1687                         reserved_ratio = strtod(optarg, &tmp);
1688                         if ( *tmp || reserved_ratio > 50 ||
1689                              reserved_ratio < 0) {
1690                                 com_err(program_name, 0,
1691                                         _("invalid reserved blocks percent - %s"),
1692                                         optarg);
1693                                 exit(1);
1694                         }
1695                         break;
1696                 case 'M':
1697                         mount_dir = optarg;
1698                         break;
1699                 case 'n':
1700                         noaction++;
1701                         break;
1702                 case 'N':
1703                         num_inodes = strtoul(optarg, &tmp, 0);
1704                         if (*tmp) {
1705                                 com_err(program_name, 0,
1706                                         _("bad num inodes - %s"), optarg);
1707                                         exit(1);
1708                         }
1709                         break;
1710                 case 'o':
1711                         creator_os = optarg;
1712                         break;
1713                 case 'O':
1714                         retval = ext2fs_resize_mem(fs_features_size,
1715                                    fs_features_size + 1 + strlen(optarg),
1716                                                    &fs_features);
1717                         if (retval) {
1718                                 com_err(program_name, retval,
1719                                      _("while allocating fs_feature string"));
1720                                 exit(1);
1721                         }
1722                         if (fs_features_size)
1723                                 strcat(fs_features, ",");
1724                         else
1725                                 fs_features[0] = 0;
1726                         strcat(fs_features, optarg);
1727                         fs_features_size += 1 + strlen(optarg);
1728                         break;
1729                 case 'q':
1730                         quiet = 1;
1731                         break;
1732                 case 'r':
1733                         r_opt = strtoul(optarg, &tmp, 0);
1734                         if (*tmp) {
1735                                 com_err(program_name, 0,
1736                                         _("bad revision level - %s"), optarg);
1737                                 exit(1);
1738                         }
1739                         if (r_opt > EXT2_MAX_SUPP_REV) {
1740                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1741                                         _("while trying to create revision %d"), r_opt);
1742                                 exit(1);
1743                         }
1744                         fs_param.s_rev_level = r_opt;
1745                         break;
1746                 case 's':       /* deprecated */
1747                         s_opt = atoi(optarg);
1748                         break;
1749                 case 'S':
1750                         super_only = 1;
1751                         break;
1752                 case 't':
1753                         if (fs_type) {
1754                                 com_err(program_name, 0, "%s",
1755                                     _("The -t option may only be used once"));
1756                                 exit(1);
1757                         }
1758                         fs_type = strdup(optarg);
1759                         break;
1760                 case 'T':
1761                         if (usage_types) {
1762                                 com_err(program_name, 0, "%s",
1763                                     _("The -T option may only be used once"));
1764                                 exit(1);
1765                         }
1766                         usage_types = strdup(optarg);
1767                         break;
1768                 case 'U':
1769                         fs_uuid = optarg;
1770                         break;
1771                 case 'v':
1772                         verbose = 1;
1773                         break;
1774                 case 'V':
1775                         /* Print version number and exit */
1776                         show_version_only++;
1777                         break;
1778                 case 'z':
1779                         undo_file = optarg;
1780                         break;
1781                 default:
1782                         usage();
1783                 }
1784         }
1785         if ((optind == argc) && !show_version_only)
1786                 usage();
1787         device_name = argv[optind++];
1788
1789         if (!quiet || show_version_only)
1790                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1791                          E2FSPROGS_DATE);
1792
1793         if (show_version_only) {
1794                 fprintf(stderr, _("\tUsing %s\n"),
1795                         error_message(EXT2_ET_BASE));
1796                 exit(0);
1797         }
1798
1799         /*
1800          * If there's no blocksize specified and there is a journal
1801          * device, use it to figure out the blocksize
1802          */
1803         if (blocksize <= 0 && journal_device) {
1804                 ext2_filsys     jfs;
1805                 io_manager      io_ptr;
1806
1807 #ifdef CONFIG_TESTIO_DEBUG
1808                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1809                         io_ptr = test_io_manager;
1810                         test_io_backing_manager = unix_io_manager;
1811                 } else
1812 #endif
1813                         io_ptr = unix_io_manager;
1814                 retval = ext2fs_open(journal_device,
1815                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1816                                      0, io_ptr, &jfs);
1817                 if (retval) {
1818                         com_err(program_name, retval,
1819                                 _("while trying to open journal device %s\n"),
1820                                 journal_device);
1821                         exit(1);
1822                 }
1823                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1824                         com_err(program_name, 0,
1825                                 _("Journal dev blocksize (%d) smaller than "
1826                                   "minimum blocksize %d\n"), jfs->blocksize,
1827                                 -blocksize);
1828                         exit(1);
1829                 }
1830                 blocksize = jfs->blocksize;
1831                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1832                 fs_param.s_log_block_size =
1833                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1834                 ext2fs_close_free(&jfs);
1835         }
1836
1837         if (optind < argc) {
1838                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1839                                                    fs_param.s_log_block_size);
1840                 if (!fs_blocks_count) {
1841                         com_err(program_name, 0,
1842                                 _("invalid blocks '%s' on device '%s'"),
1843                                 argv[optind - 1], device_name);
1844                         exit(1);
1845                 }
1846         }
1847         if (optind < argc)
1848                 usage();
1849
1850         profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1851                             &sync_kludge);
1852         tmp = getenv("MKE2FS_SYNC");
1853         if (tmp)
1854                 sync_kludge = atoi(tmp);
1855
1856         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1857                             &proceed_delay);
1858
1859         /* The isatty() test is so we don't break existing scripts */
1860         flags = CREATE_FILE;
1861         if (isatty(0) && isatty(1) && !offset)
1862                 flags |= CHECK_FS_EXIST;
1863         if (!quiet)
1864                 flags |= VERBOSE_CREATE;
1865         if (fs_blocks_count == 0)
1866                 flags |= NO_SIZE;
1867         else
1868                 explicit_fssize = 1;
1869         if (!check_plausibility(device_name, flags, &is_device) && !force)
1870                 proceed_question(proceed_delay);
1871
1872         check_mount(device_name, force, _("filesystem"));
1873
1874         /* Determine the size of the device (if possible) */
1875         if (noaction && fs_blocks_count) {
1876                 dev_size = fs_blocks_count;
1877                 retval = 0;
1878         } else
1879 #ifndef _WIN32
1880                 retval = ext2fs_get_device_size2(device_name,
1881                                                  EXT2_BLOCK_SIZE(&fs_param),
1882                                                  &dev_size);
1883 #else
1884                 retval = ext2fs_get_device_size(device_name,
1885                                                 EXT2_BLOCK_SIZE(&fs_param),
1886                                                 &dev_size);
1887 #endif
1888         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1889                 com_err(program_name, retval, "%s",
1890                         _("while trying to determine filesystem size"));
1891                 exit(1);
1892         }
1893         if (!fs_blocks_count) {
1894                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1895                         com_err(program_name, 0, "%s",
1896                                 _("Couldn't determine device size; you "
1897                                 "must specify\nthe size of the "
1898                                 "filesystem\n"));
1899                         exit(1);
1900                 } else {
1901                         if (dev_size == 0) {
1902                                 com_err(program_name, 0, "%s",
1903                                 _("Device size reported to be zero.  "
1904                                   "Invalid partition specified, or\n\t"
1905                                   "partition table wasn't reread "
1906                                   "after running fdisk, due to\n\t"
1907                                   "a modified partition being busy "
1908                                   "and in use.  You may need to reboot\n\t"
1909                                   "to re-read your partition table.\n"
1910                                   ));
1911                                 exit(1);
1912                         }
1913                         fs_blocks_count = dev_size;
1914                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1915                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1916                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1917                 }
1918         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1919                 com_err(program_name, 0, "%s",
1920                         _("Filesystem larger than apparent device size."));
1921                 proceed_question(proceed_delay);
1922         }
1923
1924         if (!fs_type)
1925                 profile_get_string(profile, "devices", device_name,
1926                                    "fs_type", 0, &fs_type);
1927         if (!usage_types)
1928                 profile_get_string(profile, "devices", device_name,
1929                                    "usage_types", 0, &usage_types);
1930
1931         /*
1932          * We have the file system (or device) size, so we can now
1933          * determine the appropriate file system types so the fs can
1934          * be appropriately configured.
1935          */
1936         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1937                                  fs_blocks_count, argv[0]);
1938         if (!fs_types) {
1939                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1940                 exit(1);
1941         }
1942
1943         /* Figure out what features should be enabled */
1944
1945         tmp = NULL;
1946         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1947                 tmp = get_string_from_profile(fs_types, "base_features",
1948                       "sparse_super,large_file,filetype,resize_inode,dir_index");
1949                 edit_feature(tmp, &fs_param.s_feature_compat);
1950                 free(tmp);
1951
1952                 /* And which mount options as well */
1953                 tmp = get_string_from_profile(fs_types, "default_mntopts",
1954                                               "acl,user_xattr");
1955                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
1956                 if (tmp)
1957                         free(tmp);
1958
1959                 for (cpp = fs_types; *cpp; cpp++) {
1960                         tmp = NULL;
1961                         profile_get_string(profile, "fs_types", *cpp,
1962                                            "features", "", &tmp);
1963                         if (tmp && *tmp)
1964                                 edit_feature(tmp, &fs_param.s_feature_compat);
1965                         if (tmp)
1966                                 free(tmp);
1967                 }
1968                 tmp = get_string_from_profile(fs_types, "default_features",
1969                                               "");
1970         }
1971         /* Mask off features which aren't supported by the Hurd */
1972         if (for_hurd(creator_os)) {
1973                 ext2fs_clear_feature_filetype(&fs_param);
1974                 ext2fs_clear_feature_huge_file(&fs_param);
1975                 ext2fs_clear_feature_metadata_csum(&fs_param);
1976                 ext2fs_clear_feature_ea_inode(&fs_param);
1977         }
1978         edit_feature(fs_features ? fs_features : tmp,
1979                      &fs_param.s_feature_compat);
1980         if (tmp)
1981                 free(tmp);
1982         (void) ext2fs_free_mem(&fs_features);
1983         /*
1984          * If the user specified features incompatible with the Hurd, complain
1985          */
1986         if (for_hurd(creator_os)) {
1987                 if (ext2fs_has_feature_filetype(&fs_param)) {
1988                         fprintf(stderr, "%s", _("The HURD does not support the "
1989                                                 "filetype feature.\n"));
1990                         exit(1);
1991                 }
1992                 if (ext2fs_has_feature_huge_file(&fs_param)) {
1993                         fprintf(stderr, "%s", _("The HURD does not support the "
1994                                                 "huge_file feature.\n"));
1995                         exit(1);
1996                 }
1997                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
1998                         fprintf(stderr, "%s", _("The HURD does not support the "
1999                                                 "metadata_csum feature.\n"));
2000                         exit(1);
2001                 }
2002                 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2003                         fprintf(stderr, "%s", _("The HURD does not support the "
2004                                                 "ea_inode feature.\n"));
2005                         exit(1);
2006                 }
2007         }
2008
2009         /* Get the hardware sector sizes, if available */
2010         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2011         if (retval) {
2012                 com_err(program_name, retval, "%s",
2013                         _("while trying to determine hardware sector size"));
2014                 exit(1);
2015         }
2016         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2017         if (retval) {
2018                 com_err(program_name, retval, "%s",
2019                         _("while trying to determine physical sector size"));
2020                 exit(1);
2021         }
2022
2023         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2024         if (tmp != NULL)
2025                 lsector_size = atoi(tmp);
2026         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2027         if (tmp != NULL)
2028                 psector_size = atoi(tmp);
2029
2030         /* Older kernels may not have physical/logical distinction */
2031         if (!psector_size)
2032                 psector_size = lsector_size;
2033
2034         if (blocksize <= 0) {
2035                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2036
2037                 if (use_bsize == -1) {
2038                         use_bsize = sys_page_size;
2039                         if (ext2fs_is_before_linux_ver(2, 6, 0) &&
2040                             use_bsize > 4096)
2041                                 use_bsize = 4096;
2042                 }
2043                 if (lsector_size && use_bsize < lsector_size)
2044                         use_bsize = lsector_size;
2045                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2046                         use_bsize = -blocksize;
2047                 blocksize = use_bsize;
2048                 fs_blocks_count /= (blocksize / 1024);
2049         } else {
2050                 if (blocksize < lsector_size) {                 /* Impossible */
2051                         com_err(program_name, EINVAL, "%s",
2052                                 _("while setting blocksize; too small "
2053                                   "for device\n"));
2054                         exit(1);
2055                 } else if ((blocksize < psector_size) &&
2056                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2057                         fprintf(stderr, _("Warning: specified blocksize %d is "
2058                                 "less than device physical sectorsize %d\n"),
2059                                 blocksize, psector_size);
2060                 }
2061         }
2062
2063         fs_param.s_log_block_size =
2064                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2065
2066         /*
2067          * We now need to do a sanity check of fs_blocks_count for
2068          * 32-bit vs 64-bit block number support.
2069          */
2070         if (fs_blocks_count > MAX_32_NUM) {
2071                 if (!ext2fs_has_feature_64bit(&fs_param) &&
2072                     get_bool_from_profile(fs_types, "auto_64-bit_support", 0))
2073                         ext2fs_set_feature_64bit(&fs_param);
2074
2075                 if (ext2fs_has_feature_64bit(&fs_param)) {
2076                         ext2fs_clear_feature_resize_inode(&fs_param);
2077                 } else {
2078                         fprintf(stderr,
2079                                 _("%s: Size of device (0x%llx blocks) %s "
2080                                   "too big to be expressed\n\t"
2081                                   "in 32 bits using a blocksize of %d.\n"),
2082                                 program_name, fs_blocks_count, device_name,
2083                                 EXT2_BLOCK_SIZE(&fs_param));
2084                         exit(1);
2085                 }
2086         }
2087
2088         /*
2089          * Guard against group descriptor count overflowing... Mostly to avoid
2090          * strange results for absurdly large devices.
2091          */
2092         if (fs_blocks_count >
2093             ((1ULL << (fs_param.s_log_block_size + 3 + 32)) - 1)) {
2094                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2095                                   "too big to create\n\t"
2096                                   "a filesystem using a blocksize of %d.\n"),
2097                         program_name, fs_blocks_count, device_name,
2098                         EXT2_BLOCK_SIZE(&fs_param));
2099                 exit(1);
2100         }
2101
2102         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2103
2104         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2105                 int i;
2106
2107                 for (i=0; fs_types[i]; i++) {
2108                         free(fs_types[i]);
2109                         fs_types[i] = 0;
2110                 }
2111                 fs_types[0] = strdup("journal");
2112                 fs_types[1] = 0;
2113         }
2114
2115         if (verbose) {
2116                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2117                 print_str_list(fs_types);
2118         }
2119
2120         if (r_opt == EXT2_GOOD_OLD_REV &&
2121             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2122              fs_param.s_feature_ro_compat)) {
2123                 fprintf(stderr, "%s", _("Filesystem features not supported "
2124                                         "with revision 0 filesystems\n"));
2125                 exit(1);
2126         }
2127
2128         if (s_opt > 0) {
2129                 if (r_opt == EXT2_GOOD_OLD_REV) {
2130                         fprintf(stderr, "%s",
2131                                 _("Sparse superblocks not supported "
2132                                   "with revision 0 filesystems\n"));
2133                         exit(1);
2134                 }
2135                 ext2fs_set_feature_sparse_super(&fs_param);
2136         } else if (s_opt == 0)
2137                 ext2fs_clear_feature_sparse_super(&fs_param);
2138
2139         if (journal_size != 0) {
2140                 if (r_opt == EXT2_GOOD_OLD_REV) {
2141                         fprintf(stderr, "%s", _("Journals not supported with "
2142                                                 "revision 0 filesystems\n"));
2143                         exit(1);
2144                 }
2145                 ext2fs_set_feature_journal(&fs_param);
2146         }
2147
2148         /* Get reserved_ratio from profile if not specified on cmd line. */
2149         if (reserved_ratio < 0.0) {
2150                 reserved_ratio = get_double_from_profile(
2151                                         fs_types, "reserved_ratio", 5.0);
2152                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2153                         com_err(program_name, 0,
2154                                 _("invalid reserved blocks percent - %lf"),
2155                                 reserved_ratio);
2156                         exit(1);
2157                 }
2158         }
2159
2160         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2161                 reserved_ratio = 0;
2162                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2163                 fs_param.s_feature_compat = 0;
2164                 fs_param.s_feature_ro_compat &=
2165                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2166         }
2167
2168         /* Check the user's mkfs options for 64bit */
2169         if (fs_blocks_count > MAX_32_NUM &&
2170             !ext2fs_has_feature_extents(&fs_param)) {
2171                 printf("%s", _("Extents MUST be enabled for filesystems with "
2172                                "over 2^32 blocks. Use '-O extents' to fix.\n"));
2173                 exit(1);
2174         }
2175
2176         /* Set first meta blockgroup via an environment variable */
2177         /* (this is mostly for debugging purposes) */
2178         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2179             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2180                 fs_param.s_first_meta_bg = atoi(tmp);
2181         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2182                 if (!cluster_size)
2183                         cluster_size = get_int_from_profile(fs_types,
2184                                                             "cluster_size",
2185                                                             blocksize*16);
2186                 fs_param.s_log_cluster_size =
2187                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2188                 if (fs_param.s_log_cluster_size &&
2189                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2190                         com_err(program_name, 0, "%s",
2191                                 _("The cluster size may not be "
2192                                   "smaller than the block size.\n"));
2193                         exit(1);
2194                 }
2195         } else if (cluster_size) {
2196                 com_err(program_name, 0, "%s",
2197                         _("specifying a cluster size requires the "
2198                           "bigalloc feature"));
2199                 exit(1);
2200         } else
2201                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2202
2203         if (inode_ratio == 0) {
2204                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2205                                                    8192);
2206                 if (inode_ratio < blocksize)
2207                         inode_ratio = blocksize;
2208                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2209                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2210         }
2211
2212 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2213         retval = get_device_geometry(device_name, &fs_param,
2214                                      (unsigned int) psector_size);
2215         if (retval < 0) {
2216                 fprintf(stderr,
2217                         _("warning: Unable to get device geometry for %s\n"),
2218                         device_name);
2219         } else if (retval) {
2220                 printf(_("%s alignment is offset by %lu bytes.\n"),
2221                        device_name, retval);
2222                 printf(_("This may result in very poor performance, "
2223                           "(re)-partitioning suggested.\n"));
2224         }
2225 #endif
2226
2227         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2228
2229         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2230
2231         /*
2232          * Initialize s_desc_size so that the parse_extended_opts()
2233          * can correctly handle "-E resize=NNN" if the 64-bit option
2234          * is set.
2235          */
2236         if (ext2fs_has_feature_64bit(&fs_param))
2237                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2238
2239         /* This check should happen beyond the last assignment to blocksize */
2240         if (blocksize > sys_page_size) {
2241                 if (!force) {
2242                         com_err(program_name, 0,
2243                                 _("%d-byte blocks too big for system (max %d)"),
2244                                 blocksize, sys_page_size);
2245                         proceed_question(proceed_delay);
2246                 }
2247                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2248                                   "(max %d), forced to continue\n"),
2249                         blocksize, sys_page_size);
2250         }
2251
2252         /* Metadata checksumming wasn't totally stable before 3.18. */
2253         if (ext2fs_is_before_linux_ver(3, 18, 0) &&
2254             ext2fs_has_feature_metadata_csum(&fs_param))
2255                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2256                         "improved stability of the metadata and journal "
2257                         "checksum features.\n"));
2258
2259         /*
2260          * On newer kernels we do have lazy_itable_init support. So pick the
2261          * right default in case ext4 module is not loaded.
2262          */
2263         if (ext2fs_is_before_linux_ver(2, 6, 37))
2264                 lazy_itable_init = 0;
2265         else
2266                 lazy_itable_init = 1;
2267
2268         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2269                 lazy_itable_init = 1;
2270
2271         lazy_itable_init = get_bool_from_profile(fs_types,
2272                                                  "lazy_itable_init",
2273                                                  lazy_itable_init);
2274         discard = get_bool_from_profile(fs_types, "discard" , discard);
2275         journal_flags |= get_bool_from_profile(fs_types,
2276                                                "lazy_journal_init", 0) ?
2277                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2278         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2279
2280         if (!journal_location_string)
2281                 journal_location_string = get_string_from_profile(fs_types,
2282                                                 "journal_location", "");
2283         if ((journal_location == ~0ULL) && journal_location_string &&
2284             *journal_location_string)
2285                 journal_location = parse_num_blocks2(journal_location_string,
2286                                                 fs_param.s_log_block_size);
2287         free(journal_location_string);
2288
2289         packed_meta_blocks = get_bool_from_profile(fs_types,
2290                                                    "packed_meta_blocks", 0);
2291         if (packed_meta_blocks)
2292                 journal_location = 0;
2293
2294         /* Get options from profile */
2295         for (cpp = fs_types; *cpp; cpp++) {
2296                 tmp = NULL;
2297                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2298                         if (tmp && *tmp)
2299                                 parse_extended_opts(&fs_param, tmp);
2300                         free(tmp);
2301         }
2302
2303         if (extended_opts)
2304                 parse_extended_opts(&fs_param, extended_opts);
2305
2306         if (explicit_fssize == 0 && offset > 0) {
2307                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2308                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2309                 fprintf(stderr,
2310                         _("\nWarning: offset specified without an "
2311                           "explicit file system size.\n"
2312                           "Creating a file system with %llu blocks "
2313                           "but this might\n"
2314                           "not be what you want.\n\n"),
2315                         (unsigned long long) fs_blocks_count);
2316         }
2317
2318         if (quotatype_bits & QUOTA_PRJ_BIT)
2319                 ext2fs_set_feature_project(&fs_param);
2320
2321         if (ext2fs_has_feature_project(&fs_param)) {
2322                 quotatype_bits |= QUOTA_PRJ_BIT;
2323                 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2324                         com_err(program_name, 0,
2325                                 _("%d byte inodes are too small for "
2326                                   "project quota"),
2327                                 inode_size);
2328                         exit(1);
2329                 }
2330                 if (inode_size == 0) {
2331                         inode_size = get_int_from_profile(fs_types,
2332                                                           "inode_size", 0);
2333                         if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2334                                 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2335                 }
2336         }
2337
2338         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2339         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2340             ext2fs_has_feature_gdt_csum(&fs_param))
2341                 ext2fs_clear_feature_gdt_csum(&fs_param);
2342
2343         /* Can't support bigalloc feature without extents feature */
2344         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2345             !ext2fs_has_feature_extents(&fs_param)) {
2346                 com_err(program_name, 0, "%s",
2347                         _("Can't support bigalloc feature without "
2348                           "extents feature"));
2349                 exit(1);
2350         }
2351
2352         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2353             ext2fs_has_feature_resize_inode(&fs_param)) {
2354                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2355                                         "features are not compatible.\n"
2356                                         "They can not be both enabled "
2357                                         "simultaneously.\n"));
2358                 exit(1);
2359         }
2360
2361         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2362                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2363                                   "still under development\n"
2364                                   "See https://ext4.wiki.kernel.org/"
2365                                   "index.php/Bigalloc for more information\n\n"));
2366
2367         /*
2368          * Since sparse_super is the default, we would only have a problem
2369          * here if it was explicitly disabled.
2370          */
2371         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2372             !ext2fs_has_feature_sparse_super(&fs_param)) {
2373                 com_err(program_name, 0, "%s",
2374                         _("reserved online resize blocks not supported "
2375                           "on non-sparse filesystem"));
2376                 exit(1);
2377         }
2378
2379         if (fs_param.s_blocks_per_group) {
2380                 if (fs_param.s_blocks_per_group < 256 ||
2381                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2382                         com_err(program_name, 0, "%s",
2383                                 _("blocks per group count out of range"));
2384                         exit(1);
2385                 }
2386         }
2387
2388         /*
2389          * If the bigalloc feature is enabled, then the -g option will
2390          * specify the number of clusters per group.
2391          */
2392         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2393                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2394                 fs_param.s_blocks_per_group = 0;
2395         }
2396
2397         if (inode_size == 0)
2398                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2399         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2400                 flex_bg_size = get_uint_from_profile(fs_types,
2401                                                      "flex_bg_size", 16);
2402         if (flex_bg_size) {
2403                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2404                         com_err(program_name, 0, "%s",
2405                                 _("Flex_bg feature not enabled, so "
2406                                   "flex_bg size may not be specified"));
2407                         exit(1);
2408                 }
2409                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2410         }
2411
2412         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2413                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2414                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2415                     inode_size & (inode_size - 1)) {
2416                         com_err(program_name, 0,
2417                                 _("invalid inode size %d (min %d/max %d)"),
2418                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2419                                 blocksize);
2420                         exit(1);
2421                 }
2422                 fs_param.s_inode_size = inode_size;
2423         }
2424
2425         /*
2426          * If inode size is 128 and inline data is enabled, we need
2427          * to notify users that inline data will never be useful.
2428          */
2429         if (ext2fs_has_feature_inline_data(&fs_param) &&
2430             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2431                 com_err(program_name, 0,
2432                         _("%d byte inodes are too small for inline data; "
2433                           "specify larger size"),
2434                         fs_param.s_inode_size);
2435                 exit(1);
2436         }
2437
2438         /* Make sure number of inodes specified will fit in 32 bits */
2439         if (num_inodes == 0) {
2440                 unsigned long long n;
2441                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2442                 if (n > MAX_32_NUM) {
2443                         num_inodes = MAX_32_NUM;
2444                         if (!ext2fs_has_feature_64bit(&fs_param))
2445                                 com_err(program_name, 0,
2446                                         _("too many inodes (%llu), reduced to "
2447                                           "%llu"), n, MAX_32_NUM);
2448                 }
2449         } else if (num_inodes > MAX_32_NUM) {
2450                 com_err(program_name, 0,
2451                         _("too many inodes (%llu), specify < 2^32 inodes"),
2452                           num_inodes);
2453                 exit(1);
2454         }
2455         /*
2456          * Calculate number of inodes based on the inode ratio
2457          */
2458         fs_param.s_inodes_count = num_inodes ? num_inodes :
2459                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2460
2461         if ((((unsigned long long)fs_param.s_inodes_count) *
2462              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2463             ((ext2fs_blocks_count(&fs_param)) *
2464              EXT2_BLOCK_SIZE(&fs_param))) {
2465                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2466                                           "(%u) too big for a\n\t"
2467                                           "filesystem with %llu blocks, "
2468                                           "specify higher inode_ratio (-i)\n\t"
2469                                           "or lower inode count (-N).\n"),
2470                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2471                         fs_param.s_inodes_count,
2472                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2473                 exit(1);
2474         }
2475
2476         /*
2477          * Calculate number of blocks to reserve
2478          */
2479         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2480                                   ext2fs_blocks_count(&fs_param) / 100.0);
2481
2482         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2483                 if (num_backups >= 1)
2484                         fs_param.s_backup_bgs[0] = 1;
2485                 if (num_backups >= 2)
2486                         fs_param.s_backup_bgs[1] = ~0;
2487         }
2488
2489         free(fs_type);
2490         free(usage_types);
2491 }
2492
2493 static int should_do_undo(const char *name)
2494 {
2495         errcode_t retval;
2496         io_channel channel;
2497         __u16   s_magic;
2498         struct ext2_super_block super;
2499         io_manager manager = unix_io_manager;
2500         int csum_flag, force_undo;
2501
2502         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2503                     ext2fs_has_feature_gdt_csum(&fs_param);
2504         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2505         if (!force_undo && (!csum_flag || !lazy_itable_init))
2506                 return 0;
2507
2508         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2509         if (retval) {
2510                 /*
2511                  * We don't handle error cases instead we
2512                  * declare that the file system doesn't exist
2513                  * and let the rest of mke2fs take care of
2514                  * error
2515                  */
2516                 retval = 0;
2517                 goto open_err_out;
2518         }
2519
2520         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2521         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2522         if (retval) {
2523                 retval = 0;
2524                 goto err_out;
2525         }
2526
2527 #if defined(WORDS_BIGENDIAN)
2528         s_magic = ext2fs_swab16(super.s_magic);
2529 #else
2530         s_magic = super.s_magic;
2531 #endif
2532
2533         if (s_magic == EXT2_SUPER_MAGIC)
2534                 retval = 1;
2535
2536 err_out:
2537         io_channel_close(channel);
2538
2539 open_err_out:
2540
2541         return retval;
2542 }
2543
2544 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2545 {
2546         errcode_t retval = ENOMEM;
2547         char *tdb_dir = NULL, *tdb_file = NULL;
2548         char *dev_name, *tmp_name;
2549         int free_tdb_dir = 0;
2550
2551         /* (re)open a specific undo file */
2552         if (undo_file && undo_file[0] != 0) {
2553                 retval = set_undo_io_backing_manager(*io_ptr);
2554                 if (retval)
2555                         goto err;
2556                 *io_ptr = undo_io_manager;
2557                 retval = set_undo_io_backup_file(undo_file);
2558                 if (retval)
2559                         goto err;
2560                 printf(_("Overwriting existing filesystem; this can be undone "
2561                          "using the command:\n"
2562                          "    e2undo %s %s\n\n"), undo_file, name);
2563                 return retval;
2564         }
2565
2566         /*
2567          * Configuration via a conf file would be
2568          * nice
2569          */
2570         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2571         if (!tdb_dir) {
2572                 profile_get_string(profile, "defaults",
2573                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2574                                    &tdb_dir);
2575                 free_tdb_dir = 1;
2576         }
2577
2578         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2579             access(tdb_dir, W_OK)) {
2580                 if (free_tdb_dir)
2581                         free(tdb_dir);
2582                 return 0;
2583         }
2584
2585         tmp_name = strdup(name);
2586         if (!tmp_name)
2587                 goto errout;
2588         dev_name = basename(tmp_name);
2589         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2590         if (!tdb_file) {
2591                 free(tmp_name);
2592                 goto errout;
2593         }
2594         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2595         free(tmp_name);
2596
2597         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2598                 retval = errno;
2599                 com_err(program_name, retval,
2600                         _("while trying to delete %s"), tdb_file);
2601                 goto errout;
2602         }
2603
2604         retval = set_undo_io_backing_manager(*io_ptr);
2605         if (retval)
2606                 goto errout;
2607         *io_ptr = undo_io_manager;
2608         retval = set_undo_io_backup_file(tdb_file);
2609         if (retval)
2610                 goto errout;
2611         printf(_("Overwriting existing filesystem; this can be undone "
2612                  "using the command:\n"
2613                  "    e2undo %s %s\n\n"), tdb_file, name);
2614
2615         if (free_tdb_dir)
2616                 free(tdb_dir);
2617         free(tdb_file);
2618         return 0;
2619
2620 errout:
2621         if (free_tdb_dir)
2622                 free(tdb_dir);
2623         free(tdb_file);
2624 err:
2625         com_err(program_name, retval, "%s",
2626                 _("while trying to setup undo file\n"));
2627         return retval;
2628 }
2629
2630 static int mke2fs_discard_device(ext2_filsys fs)
2631 {
2632         struct ext2fs_numeric_progress_struct progress;
2633         blk64_t blocks = ext2fs_blocks_count(fs->super);
2634         blk64_t count = DISCARD_STEP_MB;
2635         blk64_t cur;
2636         int retval = 0;
2637
2638         /*
2639          * Let's try if discard really works on the device, so
2640          * we do not print numeric progress resulting in failure
2641          * afterwards.
2642          */
2643         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2644         if (retval)
2645                 return retval;
2646         cur = fs->blocksize;
2647
2648         count *= (1024 * 1024);
2649         count /= fs->blocksize;
2650
2651         ext2fs_numeric_progress_init(fs, &progress,
2652                                      _("Discarding device blocks: "),
2653                                      blocks);
2654         while (cur < blocks) {
2655                 ext2fs_numeric_progress_update(fs, &progress, cur);
2656
2657                 if (cur + count > blocks)
2658                         count = blocks - cur;
2659
2660                 retval = io_channel_discard(fs->io, cur, count);
2661                 if (retval)
2662                         break;
2663                 cur += count;
2664         }
2665
2666         if (retval) {
2667                 ext2fs_numeric_progress_close(fs, &progress,
2668                                       _("failed - "));
2669                 if (!quiet)
2670                         printf("%s\n",error_message(retval));
2671         } else
2672                 ext2fs_numeric_progress_close(fs, &progress,
2673                                       _("done                            \n"));
2674
2675         return retval;
2676 }
2677
2678 static void fix_cluster_bg_counts(ext2_filsys fs)
2679 {
2680         blk64_t         block, num_blocks, last_block, next;
2681         blk64_t         tot_free = 0;
2682         errcode_t       retval;
2683         dgrp_t          group = 0;
2684         int             grp_free = 0;
2685
2686         num_blocks = ext2fs_blocks_count(fs->super);
2687         last_block = ext2fs_group_last_block2(fs, group);
2688         block = fs->super->s_first_data_block;
2689         while (block < num_blocks) {
2690                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2691                                                 block, last_block, &next);
2692                 if (retval == 0)
2693                         block = next;
2694                 else {
2695                         block = last_block + 1;
2696                         goto next_bg;
2697                 }
2698
2699                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2700                                                 block, last_block, &next);
2701                 if (retval)
2702                         next = last_block + 1;
2703                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2704                 tot_free += next - block;
2705                 block = next;
2706
2707                 if (block > last_block) {
2708                 next_bg:
2709                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2710                         ext2fs_group_desc_csum_set(fs, group);
2711                         grp_free = 0;
2712                         group++;
2713                         last_block = ext2fs_group_last_block2(fs, group);
2714                 }
2715         }
2716         ext2fs_free_blocks_count_set(fs->super, tot_free);
2717 }
2718
2719 static int create_quota_inodes(ext2_filsys fs)
2720 {
2721         quota_ctx_t qctx;
2722         errcode_t retval;
2723
2724         retval = quota_init_context(&qctx, fs, quotatype_bits);
2725         if (retval) {
2726                 com_err(program_name, retval,
2727                         _("while initializing quota context"));
2728                 exit(1);
2729         }
2730         quota_compute_usage(qctx);
2731         retval = quota_write_inode(qctx, quotatype_bits);
2732         if (retval) {
2733                 com_err(program_name, retval,
2734                         _("while writing quota inodes"));
2735                 exit(1);
2736         }
2737         quota_release_context(&qctx);
2738
2739         return 0;
2740 }
2741
2742 static errcode_t set_error_behavior(ext2_filsys fs)
2743 {
2744         char    *arg = NULL;
2745         short   errors = fs->super->s_errors;
2746
2747         arg = get_string_from_profile(fs_types, "errors", NULL);
2748         if (arg == NULL)
2749                 goto try_user;
2750
2751         if (strcmp(arg, "continue") == 0)
2752                 errors = EXT2_ERRORS_CONTINUE;
2753         else if (strcmp(arg, "remount-ro") == 0)
2754                 errors = EXT2_ERRORS_RO;
2755         else if (strcmp(arg, "panic") == 0)
2756                 errors = EXT2_ERRORS_PANIC;
2757         else {
2758                 com_err(program_name, 0,
2759                         _("bad error behavior in profile - %s"),
2760                         arg);
2761                 free(arg);
2762                 return EXT2_ET_INVALID_ARGUMENT;
2763         }
2764         free(arg);
2765
2766 try_user:
2767         if (errors_behavior)
2768                 errors = errors_behavior;
2769
2770         fs->super->s_errors = errors;
2771         return 0;
2772 }
2773
2774 int main (int argc, char *argv[])
2775 {
2776         errcode_t       retval = 0;
2777         ext2_filsys     fs;
2778         badblocks_list  bb_list = 0;
2779         unsigned int    journal_blocks = 0;
2780         unsigned int    i, checkinterval;
2781         int             max_mnt_count;
2782         int             val, hash_alg;
2783         int             flags;
2784         int             old_bitmaps;
2785         io_manager      io_ptr;
2786         char            opt_string[40];
2787         char            *hash_alg_str;
2788         int             itable_zeroed = 0;
2789
2790 #ifdef ENABLE_NLS
2791         setlocale(LC_MESSAGES, "");
2792         setlocale(LC_CTYPE, "");
2793         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2794         textdomain(NLS_CAT_NAME);
2795         set_com_err_gettext(gettext);
2796 #endif
2797         PRS(argc, argv);
2798
2799 #ifdef CONFIG_TESTIO_DEBUG
2800         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2801                 io_ptr = test_io_manager;
2802                 test_io_backing_manager = unix_io_manager;
2803         } else
2804 #endif
2805                 io_ptr = unix_io_manager;
2806
2807         if (undo_file != NULL || should_do_undo(device_name)) {
2808                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2809                 if (retval)
2810                         exit(1);
2811         }
2812
2813         /*
2814          * Initialize the superblock....
2815          */
2816         flags = EXT2_FLAG_EXCLUSIVE;
2817         if (direct_io)
2818                 flags |= EXT2_FLAG_DIRECT_IO;
2819         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2820                             &old_bitmaps);
2821         if (!old_bitmaps)
2822                 flags |= EXT2_FLAG_64BITS;
2823         /*
2824          * By default, we print how many inode tables or block groups
2825          * or whatever we've written so far.  The quiet flag disables
2826          * this, along with a lot of other output.
2827          */
2828         if (!quiet)
2829                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2830         if (android_sparse_file) {
2831                 char *android_sparse_params = malloc(strlen(device_name) + 48);
2832
2833                 if (!android_sparse_params) {
2834                         com_err(program_name, ENOMEM, "%s",
2835                                 _("in malloc for android_sparse_params"));
2836                         exit(1);
2837                 }
2838                 sprintf(android_sparse_params, "(%s):%u:%u",
2839                          device_name, fs_param.s_blocks_count,
2840                          1024 << fs_param.s_log_block_size);
2841                 retval = ext2fs_initialize(android_sparse_params, flags,
2842                                            &fs_param, sparse_io_manager, &fs);
2843                 free(android_sparse_params);
2844         } else
2845                 retval = ext2fs_initialize(device_name, flags, &fs_param,
2846                                            io_ptr, &fs);
2847         if (retval) {
2848                 com_err(device_name, retval, "%s",
2849                         _("while setting up superblock"));
2850                 exit(1);
2851         }
2852         fs->progress_ops = &ext2fs_numeric_progress_ops;
2853
2854         /* Set the error behavior */
2855         retval = set_error_behavior(fs);
2856         if (retval)
2857                 usage();
2858
2859         /* Check the user's mkfs options for metadata checksumming */
2860         if (!quiet &&
2861             !ext2fs_has_feature_journal_dev(fs->super) &&
2862             ext2fs_has_feature_metadata_csum(fs->super)) {
2863                 if (!ext2fs_has_feature_extents(fs->super))
2864                         printf("%s",
2865                                _("Extents are not enabled.  The file extent "
2866                                  "tree can be checksummed, whereas block maps "
2867                                  "cannot.  Not enabling extents reduces the "
2868                                  "coverage of metadata checksumming.  "
2869                                  "Pass -O extents to rectify.\n"));
2870                 if (!ext2fs_has_feature_64bit(fs->super))
2871                         printf("%s",
2872                                _("64-bit filesystem support is not enabled.  "
2873                                  "The larger fields afforded by this feature "
2874                                  "enable full-strength checksumming.  "
2875                                  "Pass -O 64bit to rectify.\n"));
2876         }
2877
2878         if (ext2fs_has_feature_csum_seed(fs->super) &&
2879             !ext2fs_has_feature_metadata_csum(fs->super)) {
2880                 printf("%s", _("The metadata_csum_seed feature "
2881                                "requires the metadata_csum feature.\n"));
2882                 exit(1);
2883         }
2884
2885         if (ext2fs_has_feature_inline_data(fs->super) &&
2886             ext2fs_has_feature_dirdata(fs->super)) {
2887                 printf("%s", _("The dirdata feature can not enabled "
2888                                "with inline data feature.\n"));
2889                 exit(1);
2890         }
2891
2892         /* Calculate journal blocks */
2893         if (!journal_device && ((journal_size) ||
2894             ext2fs_has_feature_journal(&fs_param)))
2895                 journal_blocks = figure_journal_size(journal_size, fs);
2896
2897         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2898                 32768 : fs->blocksize * 8);
2899         io_channel_set_options(fs->io, opt_string);
2900         if (offset) {
2901                 sprintf(opt_string, "offset=%llu", offset);
2902                 io_channel_set_options(fs->io, opt_string);
2903         }
2904
2905         /* Can't undo discard ... */
2906         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
2907                 retval = mke2fs_discard_device(fs);
2908                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2909                         if (verbose)
2910                                 printf("%s",
2911                                        _("Discard succeeded and will return "
2912                                          "0s - skipping inode table wipe\n"));
2913                         lazy_itable_init = 1;
2914                         itable_zeroed = 1;
2915                         zero_hugefile = 0;
2916                 }
2917         }
2918
2919         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2920                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2921
2922         if (ext2fs_has_feature_flex_bg(&fs_param) ||
2923             ext2fs_has_feature_huge_file(&fs_param) ||
2924             ext2fs_has_feature_gdt_csum(&fs_param) ||
2925             ext2fs_has_feature_dir_nlink(&fs_param) ||
2926             ext2fs_has_feature_metadata_csum(&fs_param) ||
2927             ext2fs_has_feature_extra_isize(&fs_param))
2928                 fs->super->s_kbytes_written = 1;
2929
2930         /*
2931          * Wipe out the old on-disk superblock
2932          */
2933         if (!noaction)
2934                 zap_sector(fs, 2, 6);
2935
2936         /*
2937          * Parse or generate a UUID for the filesystem
2938          */
2939         if (fs_uuid) {
2940                 if ((strcasecmp(fs_uuid, "null") == 0) ||
2941                     (strcasecmp(fs_uuid, "clear") == 0)) {
2942                         uuid_clear(fs->super->s_uuid);
2943                 } else if (strcasecmp(fs_uuid, "time") == 0) {
2944                         uuid_generate_time(fs->super->s_uuid);
2945                 } else if (strcasecmp(fs_uuid, "random") == 0) {
2946                         uuid_generate(fs->super->s_uuid);
2947                 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
2948                         com_err(device_name, 0, "could not parse UUID: %s\n",
2949                                 fs_uuid);
2950                         exit(1);
2951                 }
2952         } else
2953                 uuid_generate(fs->super->s_uuid);
2954
2955         if (ext2fs_has_feature_csum_seed(fs->super))
2956                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
2957                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
2958
2959         ext2fs_init_csum_seed(fs);
2960
2961         /*
2962          * Initialize the directory index variables
2963          */
2964         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
2965                                                "half_md4");
2966         hash_alg = e2p_string2hash(hash_alg_str);
2967         free(hash_alg_str);
2968         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
2969                 EXT2_HASH_HALF_MD4;
2970
2971         if (memcmp(fs_param.s_hash_seed, zero_buf,
2972                 sizeof(fs_param.s_hash_seed)) != 0) {
2973                 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
2974                         sizeof(fs->super->s_hash_seed));
2975         } else
2976                 uuid_generate((unsigned char *) fs->super->s_hash_seed);
2977
2978         /*
2979          * Periodic checks can be enabled/disabled via config file.
2980          * Note we override the kernel include file's idea of what the default
2981          * check interval (never) should be.  It's a good idea to check at
2982          * least *occasionally*, specially since servers will never rarely get
2983          * to reboot, since Linux is so robust these days.  :-)
2984          *
2985          * 180 days (six months) seems like a good value.
2986          */
2987 #ifdef EXT2_DFL_CHECKINTERVAL
2988 #undef EXT2_DFL_CHECKINTERVAL
2989 #endif
2990 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
2991
2992         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
2993                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
2994                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
2995                 /*
2996                  * Add "jitter" to the superblock's check interval so that we
2997                  * don't check all the filesystems at the same time.  We use a
2998                  * kludgy hack of using the UUID to derive a random jitter value
2999                  */
3000                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3001                         val += fs->super->s_uuid[i];
3002                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3003         } else
3004                 fs->super->s_max_mnt_count = -1;
3005
3006         /*
3007          * Override the creator OS, if applicable
3008          */
3009         if (creator_os && !set_os(fs->super, creator_os)) {
3010                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3011                 exit(1);
3012         }
3013
3014         /*
3015          * For the Hurd, we will turn off filetype since it doesn't
3016          * support it.
3017          */
3018         if (fs->super->s_creator_os == EXT2_OS_HURD)
3019                 ext2fs_clear_feature_filetype(fs->super);
3020
3021         /*
3022          * Set the volume label...
3023          */
3024         if (volume_label) {
3025                 memset(fs->super->s_volume_name, 0,
3026                        sizeof(fs->super->s_volume_name));
3027                 strncpy(fs->super->s_volume_name, volume_label,
3028                         sizeof(fs->super->s_volume_name));
3029         }
3030
3031         /*
3032          * Set the last mount directory
3033          */
3034         if (mount_dir) {
3035                 memset(fs->super->s_last_mounted, 0,
3036                        sizeof(fs->super->s_last_mounted));
3037                 strncpy(fs->super->s_last_mounted, mount_dir,
3038                         sizeof(fs->super->s_last_mounted));
3039         }
3040
3041         /* Set current default encryption algorithms for data and
3042          * filename encryption */
3043         if (ext2fs_has_feature_encrypt(fs->super)) {
3044                 fs->super->s_encrypt_algos[0] =
3045                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3046                 fs->super->s_encrypt_algos[1] =
3047                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3048         }
3049
3050         if (ext2fs_has_feature_metadata_csum(fs->super))
3051                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3052
3053         if (!quiet || noaction)
3054                 show_stats(fs);
3055
3056         if (noaction)
3057                 exit(0);
3058
3059         if (ext2fs_has_feature_journal_dev(fs->super)) {
3060                 create_journal_dev(fs);
3061                 printf("\n");
3062                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3063         }
3064
3065         if (bad_blocks_filename)
3066                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3067         if (cflag)
3068                 test_disk(fs, &bb_list);
3069         handle_bad_blocks(fs, bb_list);
3070
3071         fs->stride = fs_stride = fs->super->s_raid_stride;
3072         if (!quiet)
3073                 printf("%s", _("Allocating group tables: "));
3074         if (ext2fs_has_feature_flex_bg(fs->super) &&
3075             packed_meta_blocks)
3076                 retval = packed_allocate_tables(fs);
3077         else
3078                 retval = ext2fs_allocate_tables(fs);
3079         if (retval) {
3080                 com_err(program_name, retval, "%s",
3081                         _("while trying to allocate filesystem tables"));
3082                 exit(1);
3083         }
3084         if (!quiet)
3085                 printf("%s", _("done                            \n"));
3086
3087         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3088         if (retval) {
3089                 com_err(program_name, retval, "%s",
3090                         _("\n\twhile converting subcluster bitmap"));
3091                 exit(1);
3092         }
3093
3094         if (super_only) {
3095                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3096                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3097                        device_name);
3098                 if (!force)
3099                         proceed_question(proceed_delay);
3100                 fs->super->s_state |= EXT2_ERROR_FS;
3101                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3102                 /*
3103                  * The command "mke2fs -S" is used to recover
3104                  * corrupted file systems, so do not mark any of the
3105                  * inodes as unused; we want e2fsck to consider all
3106                  * inodes as potentially containing recoverable data.
3107                  */
3108                 if (ext2fs_has_group_desc_csum(fs)) {
3109                         for (i = 0; i < fs->group_desc_count; i++)
3110                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3111                 }
3112         } else {
3113                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3114                 blk64_t rsv = 65536 / fs->blocksize;
3115                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3116                 blk64_t start;
3117                 blk64_t ret_blk;
3118
3119 #ifdef ZAP_BOOTBLOCK
3120                 zap_sector(fs, 0, 2);
3121 #endif
3122
3123                 /*
3124                  * Wipe out any old MD RAID (or other) metadata at the end
3125                  * of the device.  This will also verify that the device is
3126                  * as large as we think.  Be careful with very small devices.
3127                  */
3128                 start = (blocks & ~(rsv - 1));
3129                 if (start > rsv)
3130                         start -= rsv;
3131                 if (start > 0)
3132                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3133                                                     &ret_blk, NULL);
3134
3135                 if (retval) {
3136                         com_err(program_name, retval,
3137                                 _("while zeroing block %llu at end of filesystem"),
3138                                 ret_blk);
3139                 }
3140                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3141                 create_root_dir(fs);
3142                 create_lost_and_found(fs);
3143                 reserve_inodes(fs);
3144                 create_bad_block_inode(fs, bb_list);
3145                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3146                         retval = ext2fs_create_resize_inode(fs);
3147                         if (retval) {
3148                                 com_err("ext2fs_create_resize_inode", retval,
3149                                         "%s",
3150                                 _("while reserving blocks for online resize"));
3151                                 exit(1);
3152                         }
3153                 }
3154         }
3155
3156         if (journal_device) {
3157                 ext2_filsys     jfs;
3158
3159                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3160                                         NULL) && !force)
3161                         proceed_question(proceed_delay);
3162                 check_mount(journal_device, force, _("journal"));
3163
3164                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3165                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3166                                      fs->blocksize, unix_io_manager, &jfs);
3167                 if (retval) {
3168                         com_err(program_name, retval,
3169                                 _("while trying to open journal device %s\n"),
3170                                 journal_device);
3171                         exit(1);
3172                 }
3173                 if (!quiet) {
3174                         printf(_("Adding journal to device %s: "),
3175                                journal_device);
3176                         fflush(stdout);
3177                 }
3178                 retval = ext2fs_add_journal_device(fs, jfs);
3179                 if(retval) {
3180                         com_err (program_name, retval,
3181                                  _("\n\twhile trying to add journal to device %s"),
3182                                  journal_device);
3183                         exit(1);
3184                 }
3185                 if (!quiet)
3186                         printf("%s", _("done\n"));
3187                 ext2fs_close_free(&jfs);
3188                 free(journal_device);
3189         } else if ((journal_size) ||
3190                    ext2fs_has_feature_journal(&fs_param)) {
3191                 if (super_only) {
3192                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3193                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3194                         goto no_journal;
3195                 }
3196
3197                 if (!journal_blocks) {
3198                         ext2fs_clear_feature_journal(fs->super);
3199                         goto no_journal;
3200                 }
3201                 if (!quiet) {
3202                         printf(_("Creating journal (%u blocks): "),
3203                                journal_blocks);
3204                         fflush(stdout);
3205                 }
3206                 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3207                                                    journal_location,
3208                                                    journal_flags);
3209                 if (retval) {
3210                         com_err(program_name, retval, "%s",
3211                                 _("\n\twhile trying to create journal"));
3212                         exit(1);
3213                 }
3214                 if (!quiet)
3215                         printf("%s", _("done\n"));
3216         }
3217 no_journal:
3218         if (!super_only &&
3219             ext2fs_has_feature_mmp(fs->super)) {
3220                 retval = ext2fs_mmp_init(fs);
3221                 if (retval) {
3222                         fprintf(stderr, "%s",
3223                                 _("\nError while enabling multiple "
3224                                   "mount protection feature."));
3225                         exit(1);
3226                 }
3227                 if (!quiet)
3228                         printf(_("Multiple mount protection is enabled "
3229                                  "with update interval %d seconds.\n"),
3230                                fs->super->s_mmp_update_interval);
3231         }
3232
3233         if (ext2fs_has_feature_bigalloc(&fs_param))
3234                 fix_cluster_bg_counts(fs);
3235         if (ext2fs_has_feature_quota(&fs_param))
3236                 create_quota_inodes(fs);
3237
3238         retval = mk_hugefiles(fs, device_name);
3239         if (retval)
3240                 com_err(program_name, retval, "while creating huge files");
3241         /* Copy files from the specified directory */
3242         if (src_root_dir) {
3243                 if (!quiet)
3244                         printf("%s", _("Copying files into the device: "));
3245
3246                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3247                                      EXT2_ROOT_INO);
3248                 if (retval) {
3249                         com_err(program_name, retval, "%s",
3250                                 _("while populating file system"));
3251                         exit(1);
3252                 } else if (!quiet)
3253                         printf("%s", _("done\n"));
3254         }
3255
3256         if (!quiet)
3257                 printf("%s", _("Writing superblocks and "
3258                        "filesystem accounting information: "));
3259         checkinterval = fs->super->s_checkinterval;
3260         max_mnt_count = fs->super->s_max_mnt_count;
3261         retval = ext2fs_close_free(&fs);
3262         if (retval) {
3263                 com_err(program_name, retval, "%s",
3264                         _("while writing out and closing file system"));
3265                 retval = 1;
3266         } else if (!quiet) {
3267                 printf("%s", _("done\n\n"));
3268                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3269                         print_check_message(max_mnt_count, checkinterval);
3270         }
3271
3272         remove_error_table(&et_ext2_error_table);
3273         remove_error_table(&et_prof_error_table);
3274         profile_release(profile);
3275         for (i=0; fs_types[i]; i++)
3276                 free(fs_types[i]);
3277         free(fs_types);
3278         return retval;
3279 }