misc/mke2fs.c

   1 /*
   2  * mke2fs.c - Make a ext2fs filesystem.
   3  *
   4  * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   5  *      2003, 2004, 2005 by Theodore Ts'o.
   6  *
   7  * %Begin-Header%
   8  * This file may be redistributed under the terms of the GNU Public
   9  * License.
  10  * %End-Header%
  11  */
  12
  13 /* Usage: mke2fs [options] device
  14  *
  15  * The device may be a block device or a image of one, but this isn't
  16  * enforced (but it's not much fun on a character device :-).
  17  */
  18
  19 #define _XOPEN_SOURCE 600
  20
  21 #include "config.h"
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <strings.h>
  25 #include <ctype.h>
  26 #include <time.h>
  27 #ifdef __linux__
  28 #include <sys/utsname.h>
  29 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
  30 #endif
  31 #ifdef HAVE_GETOPT_H
  32 #include <getopt.h>
  33 #else
  34 extern char *optarg;
  35 extern int optind;
  36 #endif
  37 #ifdef HAVE_UNISTD_H
  38 #include <unistd.h>
  39 #endif
  40 #ifdef HAVE_STDLIB_H
  41 #include <stdlib.h>
  42 #endif
  43 #ifdef HAVE_ERRNO_H
  44 #include <errno.h>
  45 #endif
  46 #ifdef HAVE_SYS_IOCTL_H
  47 #include <sys/ioctl.h>
  48 #endif
  49 #include <libgen.h>
  50 #include <limits.h>
  51 #include <blkid/blkid.h>
  52
  53 #include "ext2fs/ext2_fs.h"
  54 #include "ext2fs/ext2fsP.h"
  55 #include "uuid/uuid.h"
  56 #include "util.h"
  57 #include "support/nls-enable.h"
  58 #include "support/plausible.h"
  59 #include "support/profile.h"
  60 #include "support/prof_err.h"
  61 #include "../version.h"
  62 #include "support/quotaio.h"
  63 #include "mke2fs.h"
  64 #include "create_inode.h"
  65
  66 #define STRIDE_LENGTH 8
  67
  68 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
  69
  70 #ifndef __sparc__
  71 #define ZAP_BOOTBLOCK
  72 #endif
  73
  74 #define DISCARD_STEP_MB         (2048)
  75
  76 extern int isatty(int);
  77 extern FILE *fpopen(const char *cmd, const char *mode);
  78
  79 const char * program_name = "mke2fs";
  80 static const char * device_name /* = NULL */;
  81
  82 /* Command line options */
  83 static int      cflag;
  84 int     verbose;
  85 int     quiet;
  86 static int      super_only;
  87 static int      discard = 1;    /* attempt to discard device before fs creation */
  88 static int      direct_io;
  89 static int      force;
  90 static int      noaction;
  91 static int      num_backups = 2; /* number of backup bg's for sparse_super2 */
  92 static uid_t    root_uid;
  93 static gid_t    root_gid;
  94 int     journal_size;
  95 int     journal_flags;
  96 static int      lazy_itable_init;
  97 static int      packed_meta_blocks;
  98 static char     *bad_blocks_filename = NULL;
  99 static __u32    fs_stride;
 100 /* Initialize usr/grp quotas by default */
 101 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
 102 static __u64    offset;
 103 static blk64_t journal_location = ~0LL;
 104 static int      proceed_delay = -1;
 105 static blk64_t  dev_size;
 106
 107 static struct ext2_super_block fs_param;
 108 static __u32 zero_buf[4];
 109 static char *fs_uuid = NULL;
 110 static char *creator_os;
 111 static char *volume_label;
 112 static char *mount_dir;
 113 char *journal_device;
 114 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 115 char **fs_types;
 116 const char *src_root_dir;  /* Copy files from the specified directory */
 117 static char *undo_file;
 118
 119 static int android_sparse_file; /* -E android_sparse */
 120
 121 static profile_t        profile;
 122
 123 static int sys_page_size = 4096;
 124
 125 static int errors_behavior = 0;
 126
 127 static void usage(void)
 128 {
 129         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 130         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 131         "[-J journal-options]\n"
 132         "\t[-G flex-group-size] [-N number-of-inodes] "
 133         "[-d root-directory]\n"
 134         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 135         "\t[-g blocks-per-group] [-L volume-label] "
 136         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 137         "[-r fs-revision] [-E extended-option[,...]]\n"
 138         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 139         "[-z undo_file]\n"
 140         "\t[-jnqvDFSV] device [blocks-count]\n"),
 141                 program_name);
 142         exit(1);
 143 }
 144
 145 static int int_log2(unsigned long long arg)
 146 {
 147         int     l = 0;
 148
 149         arg >>= 1;
 150         while (arg) {
 151                 l++;
 152                 arg >>= 1;
 153         }
 154         return l;
 155 }
 156
 157 int int_log10(unsigned long long arg)
 158 {
 159         int     l;
 160
 161         for (l=0; arg ; l++)
 162                 arg = arg / 10;
 163         return l;
 164 }
 165
 166 #ifdef __linux__
 167 static int parse_version_number(const char *s)
 168 {
 169         int     major, minor, rev;
 170         char    *endptr;
 171         const char *cp = s;
 172
 173         if (!s)
 174                 return 0;
 175         major = strtol(cp, &endptr, 10);
 176         if (cp == endptr || *endptr != '.')
 177                 return 0;
 178         cp = endptr + 1;
 179         minor = strtol(cp, &endptr, 10);
 180         if (cp == endptr || *endptr != '.')
 181                 return 0;
 182         cp = endptr + 1;
 183         rev = strtol(cp, &endptr, 10);
 184         if (cp == endptr)
 185                 return 0;
 186         return KERNEL_VERSION(major, minor, rev);
 187 }
 188
 189 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 190                                unsigned int rev)
 191 {
 192         struct          utsname ut;
 193         static int      linux_version_code = -1;
 194
 195         if (uname(&ut)) {
 196                 perror("uname");
 197                 exit(1);
 198         }
 199         if (linux_version_code < 0)
 200                 linux_version_code = parse_version_number(ut.release);
 201         if (linux_version_code == 0)
 202                 return 0;
 203
 204         return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
 205 }
 206 #else
 207 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 208                                unsigned int rev)
 209 {
 210         return 0;
 211 }
 212 #endif
 213
 214 /*
 215  * Helper function for read_bb_file and test_disk
 216  */
 217 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 218 {
 219         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 220         return;
 221 }
 222
 223 /*
 224  * Reads the bad blocks list from a file
 225  */
 226 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 227                          const char *bad_blocks_file)
 228 {
 229         FILE            *f;
 230         errcode_t       retval;
 231
 232         f = fopen(bad_blocks_file, "r");
 233         if (!f) {
 234                 com_err("read_bad_blocks_file", errno,
 235                         _("while trying to open %s"), bad_blocks_file);
 236                 exit(1);
 237         }
 238         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 239         fclose (f);
 240         if (retval) {
 241                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 242                         _("while reading in list of bad blocks from file"));
 243                 exit(1);
 244         }
 245 }
 246
 247 /*
 248  * Runs the badblocks program to test the disk
 249  */
 250 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 251 {
 252         FILE            *f;
 253         errcode_t       retval;
 254         char            buf[1024];
 255
 256         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 257                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 258                 fs->device_name, ext2fs_blocks_count(fs->super)-1);
 259         if (verbose)
 260                 printf(_("Running command: %s\n"), buf);
 261         f = popen(buf, "r");
 262         if (!f) {
 263                 com_err("popen", errno,
 264                         _("while trying to run '%s'"), buf);
 265                 exit(1);
 266         }
 267         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 268         pclose(f);
 269         if (retval) {
 270                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 271                         _("while processing list of bad blocks from program"));
 272                 exit(1);
 273         }
 274 }
 275
 276 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 277 {
 278         dgrp_t                  i;
 279         blk_t                   j;
 280         unsigned                must_be_good;
 281         blk_t                   blk;
 282         badblocks_iterate       bb_iter;
 283         errcode_t               retval;
 284         blk_t                   group_block;
 285         int                     group;
 286         int                     group_bad;
 287
 288         if (!bb_list)
 289                 return;
 290
 291         /*
 292          * The primary superblock and group descriptors *must* be
 293          * good; if not, abort.
 294          */
 295         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 296         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 297                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 298                         fprintf(stderr, _("Block %d in primary "
 299                                 "superblock/group descriptor area bad.\n"), i);
 300                         fprintf(stderr, _("Blocks %u through %u must be good "
 301                                 "in order to build a filesystem.\n"),
 302                                 fs->super->s_first_data_block, must_be_good);
 303                         fputs(_("Aborting....\n"), stderr);
 304                         exit(1);
 305                 }
 306         }
 307
 308         /*
 309          * See if any of the bad blocks are showing up in the backup
 310          * superblocks and/or group descriptors.  If so, issue a
 311          * warning and adjust the block counts appropriately.
 312          */
 313         group_block = fs->super->s_first_data_block +
 314                 fs->super->s_blocks_per_group;
 315
 316         for (i = 1; i < fs->group_desc_count; i++) {
 317                 group_bad = 0;
 318                 for (j=0; j < fs->desc_blocks+1; j++) {
 319                         if (ext2fs_badblocks_list_test(bb_list,
 320                                                        group_block + j)) {
 321                                 if (!group_bad)
 322                                         fprintf(stderr,
 323 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 324 "       bad blocks.\n\n"),
 325                                                 group_block);
 326                                 group_bad++;
 327                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 328                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 329                                 ext2fs_group_desc_csum_set(fs, group);
 330                                 ext2fs_free_blocks_count_add(fs->super, 1);
 331                         }
 332                 }
 333                 group_block += fs->super->s_blocks_per_group;
 334         }
 335
 336         /*
 337          * Mark all the bad blocks as used...
 338          */
 339         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 340         if (retval) {
 341                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 342                         _("while marking bad blocks as used"));
 343                 exit(1);
 344         }
 345         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 346                 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
 347         ext2fs_badblocks_list_iterate_end(bb_iter);
 348 }
 349
 350 static void write_reserved_inodes(ext2_filsys fs)
 351 {
 352         errcode_t       retval;
 353         ext2_ino_t      ino;
 354         struct ext2_inode *inode;
 355
 356         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 357         if (retval) {
 358                 com_err("inode_init", retval, _("while allocating memory"));
 359                 exit(1);
 360         }
 361
 362         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
 363                 retval = ext2fs_write_inode_full(fs, ino, inode,
 364                                                  EXT2_INODE_SIZE(fs->super));
 365                 if (retval) {
 366                         com_err("ext2fs_write_inode_full", retval,
 367                                 _("while writing reserved inodes"));
 368                         exit(1);
 369                 }
 370         }
 371
 372         ext2fs_free_mem(&inode);
 373 }
 374
 375 static errcode_t packed_allocate_tables(ext2_filsys fs)
 376 {
 377         errcode_t       retval;
 378         dgrp_t          i;
 379         blk64_t         goal = 0;
 380
 381         for (i = 0; i < fs->group_desc_count; i++) {
 382                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 383                 if (retval)
 384                         return retval;
 385                 ext2fs_block_alloc_stats2(fs, goal, +1);
 386                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 387         }
 388         for (i = 0; i < fs->group_desc_count; i++) {
 389                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 390                 if (retval)
 391                         return retval;
 392                 ext2fs_block_alloc_stats2(fs, goal, +1);
 393                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 394         }
 395         for (i = 0; i < fs->group_desc_count; i++) {
 396                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 397                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 398                                                  fs->inode_blocks_per_group,
 399                                                  fs->block_map, &goal);
 400                 if (retval)
 401                         return retval;
 402                 ext2fs_block_alloc_stats_range(fs, goal,
 403                                                fs->inode_blocks_per_group, +1);
 404                 ext2fs_inode_table_loc_set(fs, i, goal);
 405                 ext2fs_group_desc_csum_set(fs, i);
 406         }
 407         return 0;
 408 }
 409
 410 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 411 {
 412         errcode_t       retval;
 413         blk64_t         blk;
 414         dgrp_t          i;
 415         int             num;
 416         struct ext2fs_numeric_progress_struct progress;
 417
 418         ext2fs_numeric_progress_init(fs, &progress,
 419                                      _("Writing inode tables: "),
 420                                      fs->group_desc_count);
 421
 422         for (i = 0; i < fs->group_desc_count; i++) {
 423                 ext2fs_numeric_progress_update(fs, &progress, i);
 424
 425                 blk = ext2fs_inode_table_loc(fs, i);
 426                 num = fs->inode_blocks_per_group;
 427
 428                 if (lazy_flag)
 429                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 430                                                ext2fs_bg_itable_unused(fs, i)) *
 431                                               EXT2_INODE_SIZE(fs->super),
 432                                               EXT2_BLOCK_SIZE(fs->super));
 433                 if (!lazy_flag || itable_zeroed) {
 434                         /* The kernel doesn't need to zero the itable blocks */
 435                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 436                         ext2fs_group_desc_csum_set(fs, i);
 437                 }
 438                 if (!itable_zeroed) {
 439                         retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
 440                         if (retval) {
 441                                 fprintf(stderr, _("\nCould not write %d "
 442                                           "blocks in inode table starting at %llu: %s\n"),
 443                                         num, blk, error_message(retval));
 444                                 exit(1);
 445                         }
 446                 }
 447                 if (sync_kludge) {
 448                         if (sync_kludge == 1)
 449                                 io_channel_flush(fs->io);
 450                         else if ((i % sync_kludge) == 0)
 451                                 io_channel_flush(fs->io);
 452                 }
 453         }
 454         ext2fs_numeric_progress_close(fs, &progress,
 455                                       _("done                            \n"));
 456
 457         /* Reserved inodes must always have correct checksums */
 458         if (ext2fs_has_feature_metadata_csum(fs->super))
 459                 write_reserved_inodes(fs);
 460 }
 461
 462 static void create_root_dir(ext2_filsys fs)
 463 {
 464         errcode_t               retval;
 465         struct ext2_inode       inode;
 466
 467         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 468         if (retval) {
 469                 com_err("ext2fs_mkdir", retval, "%s",
 470                         _("while creating root dir"));
 471                 exit(1);
 472         }
 473         if (root_uid != 0 || root_gid != 0) {
 474                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 475                 if (retval) {
 476                         com_err("ext2fs_read_inode", retval, "%s",
 477                                 _("while reading root inode"));
 478                         exit(1);
 479                 }
 480
 481                 inode.i_uid = root_uid;
 482                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 483                 inode.i_gid = root_gid;
 484                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 485
 486                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 487                 if (retval) {
 488                         com_err("ext2fs_write_inode", retval, "%s",
 489                                 _("while setting root inode ownership"));
 490                         exit(1);
 491                 }
 492         }
 493 }
 494
 495 static void create_lost_and_found(ext2_filsys fs)
 496 {
 497         unsigned int            lpf_size = 0;
 498         errcode_t               retval;
 499         ext2_ino_t              ino;
 500         const char              *name = "lost+found";
 501         int                     i;
 502
 503         fs->umask = 077;
 504         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 505         if (retval) {
 506                 com_err("ext2fs_mkdir", retval, "%s",
 507                         _("while creating /lost+found"));
 508                 exit(1);
 509         }
 510
 511         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 512         if (retval) {
 513                 com_err("ext2_lookup", retval, "%s",
 514                         _("while looking up /lost+found"));
 515                 exit(1);
 516         }
 517
 518         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 519                 /* Ensure that lost+found is at least 2 blocks, so we always
 520                  * test large empty blocks for big-block filesystems.  */
 521                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 522                     lpf_size >= 2 * fs->blocksize)
 523                         break;
 524                 retval = ext2fs_expand_dir(fs, ino);
 525                 if (retval) {
 526                         com_err("ext2fs_expand_dir", retval, "%s",
 527                                 _("while expanding /lost+found"));
 528                         exit(1);
 529                 }
 530         }
 531 }
 532
 533 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 534 {
 535         errcode_t       retval;
 536
 537         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 538         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 539         retval = ext2fs_update_bb_inode(fs, bb_list);
 540         if (retval) {
 541                 com_err("ext2fs_update_bb_inode", retval, "%s",
 542                         _("while setting bad block inode"));
 543                 exit(1);
 544         }
 545
 546 }
 547
 548 static void reserve_inodes(ext2_filsys fs)
 549 {
 550         ext2_ino_t      i;
 551
 552         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 553                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 554         ext2fs_mark_ib_dirty(fs);
 555 }
 556
 557 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 558 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 559 #define BSD_LABEL_OFFSET        64
 560
 561 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 562 {
 563         char *buf;
 564         int retval;
 565         unsigned int *magic;
 566
 567         buf = calloc(512, nsect);
 568         if (!buf) {
 569                 printf(_("Out of memory erasing sectors %d-%d\n"),
 570                        sect, sect + nsect - 1);
 571                 exit(1);
 572         }
 573
 574         if (sect == 0) {
 575                 /* Check for a BSD disklabel, and don't erase it if so */
 576                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 577                 if (retval)
 578                         fprintf(stderr,
 579                                 _("Warning: could not read block 0: %s\n"),
 580                                 error_message(retval));
 581                 else {
 582                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 583                         if ((*magic == BSD_DISKMAGIC) ||
 584                             (*magic == BSD_MAGICDISK))
 585                                 return;
 586                 }
 587         }
 588
 589         memset(buf, 0, 512*nsect);
 590         io_channel_set_blksize(fs->io, 512);
 591         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 592         io_channel_set_blksize(fs->io, fs->blocksize);
 593         free(buf);
 594         if (retval)
 595                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 596                         sect, error_message(retval));
 597 }
 598
 599 static void create_journal_dev(ext2_filsys fs)
 600 {
 601         struct ext2fs_numeric_progress_struct progress;
 602         errcode_t               retval;
 603         char                    *buf;
 604         blk64_t                 blk, err_blk;
 605         int                     c, count, err_count;
 606
 607         retval = ext2fs_create_journal_superblock(fs,
 608                                   ext2fs_blocks_count(fs->super), 0, &buf);
 609         if (retval) {
 610                 com_err("create_journal_dev", retval, "%s",
 611                         _("while initializing journal superblock"));
 612                 exit(1);
 613         }
 614
 615         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 616                 goto write_superblock;
 617
 618         ext2fs_numeric_progress_init(fs, &progress,
 619                                      _("Zeroing journal device: "),
 620                                      ext2fs_blocks_count(fs->super));
 621         blk = 0;
 622         count = ext2fs_blocks_count(fs->super);
 623         while (count > 0) {
 624                 if (count > 1024)
 625                         c = 1024;
 626                 else
 627                         c = count;
 628                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 629                 if (retval) {
 630                         com_err("create_journal_dev", retval,
 631                                 _("while zeroing journal device "
 632                                   "(block %llu, count %d)"),
 633                                 err_blk, err_count);
 634                         exit(1);
 635                 }
 636                 blk += c;
 637                 count -= c;
 638                 ext2fs_numeric_progress_update(fs, &progress, blk);
 639         }
 640
 641         ext2fs_numeric_progress_close(fs, &progress, NULL);
 642 write_superblock:
 643         retval = io_channel_write_blk64(fs->io,
 644                                         fs->super->s_first_data_block+1,
 645                                         1, buf);
 646         (void) ext2fs_free_mem(&buf);
 647         if (retval) {
 648                 com_err("create_journal_dev", retval, "%s",
 649                         _("while writing journal superblock"));
 650                 exit(1);
 651         }
 652 }
 653
 654 static void show_stats(ext2_filsys fs)
 655 {
 656         struct ext2_super_block *s = fs->super;
 657         char                    buf[80];
 658         char                    *os;
 659         blk64_t                 group_block;
 660         dgrp_t                  i;
 661         int                     need, col_left;
 662
 663         if (!verbose) {
 664                 printf(_("Creating filesystem with %llu %dk blocks and "
 665                          "%u inodes\n"),
 666                        ext2fs_blocks_count(s), fs->blocksize >> 10,
 667                        s->s_inodes_count);
 668                 goto skip_details;
 669         }
 670
 671         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 672                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 673                        ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
 674
 675         memset(buf, 0, sizeof(buf));
 676         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 677         printf(_("Filesystem label=%s\n"), buf);
 678         os = e2p_os2string(fs->super->s_creator_os);
 679         if (os)
 680                 printf(_("OS type: %s\n"), os);
 681         free(os);
 682         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 683                 s->s_log_block_size);
 684         if (ext2fs_has_feature_bigalloc(fs->super))
 685                 printf(_("Cluster size=%u (log=%u)\n"),
 686                        fs->blocksize << fs->cluster_ratio_bits,
 687                        s->s_log_cluster_size);
 688         else
 689                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 690                        s->s_log_cluster_size);
 691         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 692                s->s_raid_stride, s->s_raid_stripe_width);
 693         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 694                ext2fs_blocks_count(s));
 695         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 696                 ext2fs_r_blocks_count(s),
 697                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 698         printf(_("First data block=%u\n"), s->s_first_data_block);
 699         if (root_uid != 0 || root_gid != 0)
 700                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 701         if (s->s_reserved_gdt_blocks)
 702                 printf(_("Maximum filesystem blocks=%lu\n"),
 703                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 704                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 705         if (fs->group_desc_count > 1)
 706                 printf(_("%u block groups\n"), fs->group_desc_count);
 707         else
 708                 printf(_("%u block group\n"), fs->group_desc_count);
 709         if (ext2fs_has_feature_bigalloc(fs->super))
 710                 printf(_("%u blocks per group, %u clusters per group\n"),
 711                        s->s_blocks_per_group, s->s_clusters_per_group);
 712         else
 713                 printf(_("%u blocks per group, %u fragments per group\n"),
 714                        s->s_blocks_per_group, s->s_clusters_per_group);
 715         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 716
 717 skip_details:
 718         if (fs->group_desc_count == 1) {
 719                 printf("\n");
 720                 return;
 721         }
 722
 723         if (!e2p_is_null_uuid(s->s_uuid))
 724                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 725         printf("%s", _("Superblock backups stored on blocks: "));
 726         group_block = s->s_first_data_block;
 727         col_left = 0;
 728         for (i = 1; i < fs->group_desc_count; i++) {
 729                 group_block += s->s_blocks_per_group;
 730                 if (!ext2fs_bg_has_super(fs, i))
 731                         continue;
 732                 if (i != 1)
 733                         printf(", ");
 734                 need = int_log10(group_block) + 2;
 735                 if (need > col_left) {
 736                         printf("\n\t");
 737                         col_left = 72;
 738                 }
 739                 col_left -= need;
 740                 printf("%llu", group_block);
 741         }
 742         printf("\n\n");
 743 }
 744
 745 /*
 746  * Returns true if making a file system for the Hurd, else 0
 747  */
 748 static int for_hurd(const char *os)
 749 {
 750         if (!os) {
 751 #ifdef __GNU__
 752                 return 1;
 753 #else
 754                 return 0;
 755 #endif
 756         }
 757         if (isdigit(*os))
 758                 return (atoi(os) == EXT2_OS_HURD);
 759         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 760 }
 761
 762 /*
 763  * Set the S_CREATOR_OS field.  Return true if OS is known,
 764  * otherwise, 0.
 765  */
 766 static int set_os(struct ext2_super_block *sb, char *os)
 767 {
 768         if (isdigit (*os))
 769                 sb->s_creator_os = atoi (os);
 770         else if (strcasecmp(os, "linux") == 0)
 771                 sb->s_creator_os = EXT2_OS_LINUX;
 772         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 773                 sb->s_creator_os = EXT2_OS_HURD;
 774         else if (strcasecmp(os, "freebsd") == 0)
 775                 sb->s_creator_os = EXT2_OS_FREEBSD;
 776         else if (strcasecmp(os, "lites") == 0)
 777                 sb->s_creator_os = EXT2_OS_LITES;
 778         else
 779                 return 0;
 780         return 1;
 781 }
 782
 783 #define PATH_SET "PATH=/sbin"
 784
 785 static void parse_extended_opts(struct ext2_super_block *param,
 786                                 const char *opts)
 787 {
 788         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 789         int     len;
 790         int     r_usage = 0;
 791         int     ret;
 792
 793         len = strlen(opts);
 794         buf = malloc(len+1);
 795         if (!buf) {
 796                 fprintf(stderr, "%s",
 797                         _("Couldn't allocate memory to parse options!\n"));
 798                 exit(1);
 799         }
 800         strcpy(buf, opts);
 801         for (token = buf; token && *token; token = next) {
 802                 p = strchr(token, ',');
 803                 next = 0;
 804                 if (p) {
 805                         *p = 0;
 806                         next = p+1;
 807                 }
 808                 arg = strchr(token, '=');
 809                 if (arg) {
 810                         *arg = 0;
 811                         arg++;
 812                 }
 813                 if (strcmp(token, "desc-size") == 0 ||
 814                     strcmp(token, "desc_size") == 0) {
 815                         int desc_size;
 816
 817                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 818                                 fprintf(stderr,
 819                                         _("%s requires '-O 64bit'\n"), token);
 820                                 r_usage++;
 821                                 continue;
 822                         }
 823                         if (param->s_reserved_gdt_blocks != 0) {
 824                                 fprintf(stderr,
 825                                         _("'%s' must be before 'resize=%u'\n"),
 826                                         token, param->s_reserved_gdt_blocks);
 827                                 r_usage++;
 828                                 continue;
 829                         }
 830                         if (!arg) {
 831                                 r_usage++;
 832                                 badopt = token;
 833                                 continue;
 834                         }
 835                         desc_size = strtoul(arg, &p, 0);
 836                         if (*p || (desc_size & (desc_size - 1))) {
 837                                 fprintf(stderr,
 838                                         _("Invalid desc_size: '%s'\n"), arg);
 839                                 r_usage++;
 840                                 continue;
 841                         }
 842                         param->s_desc_size = desc_size;
 843                 } else if (strcmp(token, "hash_seed") == 0) {
 844                         if (!arg) {
 845                                 r_usage++;
 846                                 badopt = token;
 847                                 continue;
 848                         }
 849                         if (uuid_parse(arg,
 850                                 (unsigned char *)param->s_hash_seed) != 0) {
 851                                 fprintf(stderr,
 852                                         _("Invalid hash seed: %s\n"), arg);
 853                                 r_usage++;
 854                                 continue;
 855                         }
 856                 } else if (strcmp(token, "offset") == 0) {
 857                         if (!arg) {
 858                                 r_usage++;
 859                                 badopt = token;
 860                                 continue;
 861                         }
 862                         offset = strtoull(arg, &p, 0);
 863                         if (*p) {
 864                                 fprintf(stderr, _("Invalid offset: %s\n"),
 865                                         arg);
 866                                 r_usage++;
 867                                 continue;
 868                         }
 869                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 870                         if (!arg) {
 871                                 r_usage++;
 872                                 badopt = token;
 873                                 continue;
 874                         }
 875                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 876                         if (*p) {
 877                                 fprintf(stderr,
 878                                         _("Invalid mmp_update_interval: %s\n"),
 879                                         arg);
 880                                 r_usage++;
 881                                 continue;
 882                         }
 883                 } else if (strcmp(token, "num_backup_sb") == 0) {
 884                         if (!arg) {
 885                                 r_usage++;
 886                                 badopt = token;
 887                                 continue;
 888                         }
 889                         num_backups = strtoul(arg, &p, 0);
 890                         if (*p || num_backups > 2) {
 891                                 fprintf(stderr,
 892                                         _("Invalid # of backup "
 893                                           "superblocks: %s\n"),
 894                                         arg);
 895                                 r_usage++;
 896                                 continue;
 897                         }
 898                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 899                         if (arg)
 900                                 packed_meta_blocks = strtoul(arg, &p, 0);
 901                         else
 902                                 packed_meta_blocks = 1;
 903                         if (packed_meta_blocks)
 904                                 journal_location = 0;
 905                 } else if (strcmp(token, "stride") == 0) {
 906                         if (!arg) {
 907                                 r_usage++;
 908                                 badopt = token;
 909                                 continue;
 910                         }
 911                         param->s_raid_stride = strtoul(arg, &p, 0);
 912                         if (*p) {
 913                                 fprintf(stderr,
 914                                         _("Invalid stride parameter: %s\n"),
 915                                         arg);
 916                                 r_usage++;
 917                                 continue;
 918                         }
 919                 } else if (strcmp(token, "stripe-width") == 0 ||
 920                            strcmp(token, "stripe_width") == 0) {
 921                         if (!arg) {
 922                                 r_usage++;
 923                                 badopt = token;
 924                                 continue;
 925                         }
 926                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 927                         if (*p) {
 928                                 fprintf(stderr,
 929                                         _("Invalid stripe-width parameter: %s\n"),
 930                                         arg);
 931                                 r_usage++;
 932                                 continue;
 933                         }
 934                 } else if (!strcmp(token, "resize")) {
 935                         blk64_t resize;
 936                         unsigned long bpg, rsv_groups;
 937                         unsigned long group_desc_count, desc_blocks;
 938                         unsigned int gdpb, blocksize;
 939                         int rsv_gdb;
 940
 941                         if (!arg) {
 942                                 r_usage++;
 943                                 badopt = token;
 944                                 continue;
 945                         }
 946
 947                         resize = parse_num_blocks2(arg,
 948                                                    param->s_log_block_size);
 949
 950                         if (resize == 0) {
 951                                 fprintf(stderr,
 952                                         _("Invalid resize parameter: %s\n"),
 953                                         arg);
 954                                 r_usage++;
 955                                 continue;
 956                         }
 957                         if (resize <= ext2fs_blocks_count(param)) {
 958                                 fprintf(stderr, "%s",
 959                                         _("The resize maximum must be greater "
 960                                           "than the filesystem size.\n"));
 961                                 r_usage++;
 962                                 continue;
 963                         }
 964
 965                         blocksize = EXT2_BLOCK_SIZE(param);
 966                         bpg = param->s_blocks_per_group;
 967                         if (!bpg)
 968                                 bpg = blocksize * 8;
 969                         gdpb = EXT2_DESC_PER_BLOCK(param);
 970                         group_desc_count = (__u32) ext2fs_div64_ceil(
 971                                 ext2fs_blocks_count(param), bpg);
 972                         desc_blocks = (group_desc_count +
 973                                        gdpb - 1) / gdpb;
 974                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 975                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 976                                 desc_blocks;
 977                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 978                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 979
 980                         if (rsv_gdb > 0) {
 981                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 982                                         fprintf(stderr, "%s",
 983         _("On-line resizing not supported with revision 0 filesystems\n"));
 984                                         free(buf);
 985                                         exit(1);
 986                                 }
 987                                 ext2fs_set_feature_resize_inode(param);
 988
 989                                 param->s_reserved_gdt_blocks = rsv_gdb;
 990                         }
 991                 } else if (!strcmp(token, "test_fs")) {
 992                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 993                 } else if (!strcmp(token, "lazy_itable_init")) {
 994                         if (arg)
 995                                 lazy_itable_init = strtoul(arg, &p, 0);
 996                         else
 997                                 lazy_itable_init = 1;
 998                 } else if (!strcmp(token, "lazy_journal_init")) {
 999                         if (arg)
1000                                 journal_flags |= strtoul(arg, &p, 0) ?
1001                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
1002                         else
1003                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
1004                 } else if (!strcmp(token, "root_owner")) {
1005                         if (arg) {
1006                                 root_uid = strtoul(arg, &p, 0);
1007                                 if (*p != ':') {
1008                                         fprintf(stderr,
1009                                                 _("Invalid root_owner: '%s'\n"),
1010                                                 arg);
1011                                         r_usage++;
1012                                         continue;
1013                                 }
1014                                 p++;
1015                                 root_gid = strtoul(p, &p, 0);
1016                                 if (*p) {
1017                                         fprintf(stderr,
1018                                                 _("Invalid root_owner: '%s'\n"),
1019                                                 arg);
1020                                         r_usage++;
1021                                         continue;
1022                                 }
1023                         } else {
1024                                 root_uid = getuid();
1025                                 root_gid = getgid();
1026                         }
1027                 } else if (!strcmp(token, "discard")) {
1028                         discard = 1;
1029                 } else if (!strcmp(token, "nodiscard")) {
1030                         discard = 0;
1031                 } else if (!strcmp(token, "quotatype")) {
1032                         char *errtok = NULL;
1033
1034                         if (!arg) {
1035                                 r_usage++;
1036                                 badopt = token;
1037                                 continue;
1038                         }
1039                         quotatype_bits = 0;
1040                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1041                         if (ret) {
1042                                 if (errtok) {
1043                                         fprintf(stderr,
1044                                 "Failed to parse quota type at %s", errtok);
1045                                         free(errtok);
1046                                 } else
1047                                         com_err(program_name, ret,
1048                                                 "while parsing quota type");
1049                                 r_usage++;
1050                                 badopt = token;
1051                                 continue;
1052                         }
1053                 } else if (!strcmp(token, "android_sparse")) {
1054                         android_sparse_file = 1;
1055                 } else {
1056                         r_usage++;
1057                         badopt = token;
1058                 }
1059         }
1060         if (r_usage) {
1061                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1062                         "Extended options are separated by commas, "
1063                         "and may take an argument which\n"
1064                         "\tis set off by an equals ('=') sign.\n\n"
1065                         "Valid extended options are:\n"
1066                         "\tmmp_update_interval=<interval>\n"
1067                         "\tnum_backup_sb=<0|1|2>\n"
1068                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1069                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1070                         "\toffset=<offset to create the file system>\n"
1071                         "\tresize=<resize maximum size in blocks>\n"
1072                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1073                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1074                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1075                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1076                         "\ttest_fs\n"
1077                         "\tdiscard\n"
1078                         "\tnodiscard\n"
1079                         "\tquotatype=<quota type(s) to be enabled>\n\n"),
1080                         badopt ? badopt : "");
1081                 free(buf);
1082                 exit(1);
1083         }
1084         if (param->s_raid_stride &&
1085             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1086                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1087                                   "multiple of stride %u.\n\n"),
1088                         param->s_raid_stripe_width, param->s_raid_stride);
1089
1090         free(buf);
1091 }
1092
1093 static __u32 ok_features[3] = {
1094         /* Compat */
1095         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1096                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1097                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1098                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1099                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1100         /* Incompat */
1101         EXT2_FEATURE_INCOMPAT_FILETYPE|
1102                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1103                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1104                 EXT2_FEATURE_INCOMPAT_META_BG|
1105                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1106                 EXT4_FEATURE_INCOMPAT_EA_INODE|
1107                 EXT4_FEATURE_INCOMPAT_MMP |
1108                 EXT4_FEATURE_INCOMPAT_64BIT|
1109                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1110                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1111                 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1112                 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1113         /* R/O compat */
1114         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1115                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1116                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1117                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1118                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1119                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1120                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1121                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1122                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1123                 EXT4_FEATURE_RO_COMPAT_PROJECT
1124 };
1125
1126
1127 static void syntax_err_report(const char *filename, long err, int line_num)
1128 {
1129         fprintf(stderr,
1130                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1131                 filename, line_num, error_message(err));
1132         exit(1);
1133 }
1134
1135 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1136
1137 static void edit_feature(const char *str, __u32 *compat_array)
1138 {
1139         if (!str)
1140                 return;
1141
1142         if (e2p_edit_feature(str, compat_array, ok_features)) {
1143                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1144                         str);
1145                 exit(1);
1146         }
1147 }
1148
1149 static void edit_mntopts(const char *str, __u32 *mntopts)
1150 {
1151         if (!str)
1152                 return;
1153
1154         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1155                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1156                         str);
1157                 exit(1);
1158         }
1159 }
1160
1161 struct str_list {
1162         char **list;
1163         int num;
1164         int max;
1165 };
1166
1167 static errcode_t init_list(struct str_list *sl)
1168 {
1169         sl->num = 0;
1170         sl->max = 1;
1171         sl->list = malloc((sl->max+1) * sizeof(char *));
1172         if (!sl->list)
1173                 return ENOMEM;
1174         sl->list[0] = 0;
1175         return 0;
1176 }
1177
1178 static errcode_t push_string(struct str_list *sl, const char *str)
1179 {
1180         char **new_list;
1181
1182         if (sl->num >= sl->max) {
1183                 sl->max += 2;
1184                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1185                 if (!new_list)
1186                         return ENOMEM;
1187                 sl->list = new_list;
1188         }
1189         sl->list[sl->num] = malloc(strlen(str)+1);
1190         if (sl->list[sl->num] == 0)
1191                 return ENOMEM;
1192         strcpy(sl->list[sl->num], str);
1193         sl->num++;
1194         sl->list[sl->num] = 0;
1195         return 0;
1196 }
1197
1198 static void print_str_list(char **list)
1199 {
1200         char **cpp;
1201
1202         for (cpp = list; *cpp; cpp++) {
1203                 printf("'%s'", *cpp);
1204                 if (cpp[1])
1205                         fputs(", ", stdout);
1206         }
1207         fputc('\n', stdout);
1208 }
1209
1210 /*
1211  * Return TRUE if the profile has the given subsection
1212  */
1213 static int profile_has_subsection(profile_t prof, const char *section,
1214                                   const char *subsection)
1215 {
1216         void                    *state;
1217         const char              *names[4];
1218         char                    *name;
1219         int                     ret = 0;
1220
1221         names[0] = section;
1222         names[1] = subsection;
1223         names[2] = 0;
1224
1225         if (profile_iterator_create(prof, names,
1226                                     PROFILE_ITER_LIST_SECTION |
1227                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1228                 return 0;
1229
1230         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1231                 free(name);
1232                 ret = 1;
1233         }
1234
1235         profile_iterator_free(&state);
1236         return ret;
1237 }
1238
1239 static char **parse_fs_type(const char *fs_type,
1240                             const char *usage_types,
1241                             struct ext2_super_block *sb,
1242                             blk64_t fs_blocks_count,
1243                             char *progname)
1244 {
1245         const char      *ext_type = 0;
1246         char            *parse_str;
1247         char            *profile_type = 0;
1248         char            *cp, *t;
1249         const char      *size_type;
1250         struct str_list list;
1251         unsigned long long meg;
1252         int             is_hurd = for_hurd(creator_os);
1253
1254         if (init_list(&list))
1255                 return 0;
1256
1257         if (fs_type)
1258                 ext_type = fs_type;
1259         else if (is_hurd)
1260                 ext_type = "ext2";
1261         else if (!strcmp(program_name, "mke3fs"))
1262                 ext_type = "ext3";
1263         else if (!strcmp(program_name, "mke4fs"))
1264                 ext_type = "ext4";
1265         else if (progname) {
1266                 ext_type = strrchr(progname, '/');
1267                 if (ext_type)
1268                         ext_type++;
1269                 else
1270                         ext_type = progname;
1271
1272                 if (!strncmp(ext_type, "mkfs.", 5)) {
1273                         ext_type += 5;
1274                         if (ext_type[0] == 0)
1275                                 ext_type = 0;
1276                 } else
1277                         ext_type = 0;
1278         }
1279
1280         if (!ext_type) {
1281                 profile_get_string(profile, "defaults", "fs_type", 0,
1282                                    "ext2", &profile_type);
1283                 ext_type = profile_type;
1284                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1285                         ext_type = "ext3";
1286         }
1287
1288
1289         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1290             strcmp(ext_type, "ext2")) {
1291                 printf(_("\nYour mke2fs.conf file does not define the "
1292                          "%s filesystem type.\n"), ext_type);
1293                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1294                     !strcmp(ext_type, "ext4dev")) {
1295                         printf("%s", _("You probably need to install an "
1296                                        "updated mke2fs.conf file.\n\n"));
1297                 }
1298                 if (!force) {
1299                         printf("%s", _("Aborting...\n"));
1300                         exit(1);
1301                 }
1302         }
1303
1304         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1305         if (fs_blocks_count < 3 * meg)
1306                 size_type = "floppy";
1307         else if (fs_blocks_count < 512 * meg)
1308                 size_type = "small";
1309         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1310                 size_type = "default";
1311         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1312                 size_type = "big";
1313         else
1314                 size_type = "huge";
1315
1316         if (!usage_types)
1317                 usage_types = size_type;
1318
1319         parse_str = malloc(strlen(usage_types)+1);
1320         if (!parse_str) {
1321                 free(profile_type);
1322                 free(list.list);
1323                 return 0;
1324         }
1325         strcpy(parse_str, usage_types);
1326
1327         if (ext_type)
1328                 push_string(&list, ext_type);
1329         cp = parse_str;
1330         while (1) {
1331                 t = strchr(cp, ',');
1332                 if (t)
1333                         *t = '\0';
1334
1335                 if (*cp) {
1336                         if (profile_has_subsection(profile, "fs_types", cp))
1337                                 push_string(&list, cp);
1338                         else if (strcmp(cp, "default") != 0)
1339                                 fprintf(stderr,
1340                                         _("\nWarning: the fs_type %s is not "
1341                                           "defined in mke2fs.conf\n\n"),
1342                                         cp);
1343                 }
1344                 if (t)
1345                         cp = t+1;
1346                 else
1347                         break;
1348         }
1349         free(parse_str);
1350         free(profile_type);
1351         if (is_hurd)
1352                 push_string(&list, "hurd");
1353         return (list.list);
1354 }
1355
1356 char *get_string_from_profile(char **types, const char *opt,
1357                                      const char *def_val)
1358 {
1359         char *ret = 0;
1360         int i;
1361
1362         for (i=0; types[i]; i++);
1363         for (i-=1; i >=0 ; i--) {
1364                 profile_get_string(profile, "fs_types", types[i],
1365                                    opt, 0, &ret);
1366                 if (ret)
1367                         return ret;
1368         }
1369         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1370         return (ret);
1371 }
1372
1373 int get_int_from_profile(char **types, const char *opt, int def_val)
1374 {
1375         int ret;
1376         char **cpp;
1377
1378         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1379         for (cpp = types; *cpp; cpp++)
1380                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1381         return ret;
1382 }
1383
1384 static unsigned int get_uint_from_profile(char **types, const char *opt,
1385                                         unsigned int def_val)
1386 {
1387         unsigned int ret;
1388         char **cpp;
1389
1390         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1391         for (cpp = types; *cpp; cpp++)
1392                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1393         return ret;
1394 }
1395
1396 static double get_double_from_profile(char **types, const char *opt,
1397                                       double def_val)
1398 {
1399         double ret;
1400         char **cpp;
1401
1402         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1403         for (cpp = types; *cpp; cpp++)
1404                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1405         return ret;
1406 }
1407
1408 int get_bool_from_profile(char **types, const char *opt, int def_val)
1409 {
1410         int ret;
1411         char **cpp;
1412
1413         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1414         for (cpp = types; *cpp; cpp++)
1415                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1416         return ret;
1417 }
1418
1419 extern const char *mke2fs_default_profile;
1420 static const char *default_files[] = { "<default>", 0 };
1421
1422 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1423 /*
1424  * Sets the geometry of a device (stripe/stride), and returns the
1425  * device's alignment offset, if any, or a negative error.
1426  */
1427 static int get_device_geometry(const char *file,
1428                                struct ext2_super_block *param,
1429                                unsigned int psector_size)
1430 {
1431         int rc = -1;
1432         unsigned int blocksize;
1433         blkid_probe pr;
1434         blkid_topology tp;
1435         unsigned long min_io;
1436         unsigned long opt_io;
1437         struct stat statbuf;
1438
1439         /* Nothing to do for a regular file */
1440         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1441                 return 0;
1442
1443         pr = blkid_new_probe_from_filename(file);
1444         if (!pr)
1445                 goto out;
1446
1447         tp = blkid_probe_get_topology(pr);
1448         if (!tp)
1449                 goto out;
1450
1451         min_io = blkid_topology_get_minimum_io_size(tp);
1452         opt_io = blkid_topology_get_optimal_io_size(tp);
1453         blocksize = EXT2_BLOCK_SIZE(param);
1454         if ((min_io == 0) && (psector_size > blocksize))
1455                 min_io = psector_size;
1456         if ((opt_io == 0) && min_io)
1457                 opt_io = min_io;
1458         if ((opt_io == 0) && (psector_size > blocksize))
1459                 opt_io = psector_size;
1460
1461         /* setting stripe/stride to blocksize is pointless */
1462         if (min_io > blocksize)
1463                 param->s_raid_stride = min_io / blocksize;
1464         if (opt_io > blocksize)
1465                 param->s_raid_stripe_width = opt_io / blocksize;
1466
1467         rc = blkid_topology_get_alignment_offset(tp);
1468 out:
1469         blkid_free_probe(pr);
1470         return rc;
1471 }
1472 #endif
1473
1474 static void PRS(int argc, char *argv[])
1475 {
1476         int             b, c, flags;
1477         int             cluster_size = 0;
1478         char            *tmp, **cpp;
1479         int             explicit_fssize = 0;
1480         int             blocksize = 0;
1481         int             inode_ratio = 0;
1482         int             inode_size = 0;
1483         unsigned long   flex_bg_size = 0;
1484         double          reserved_ratio = -1.0;
1485         int             lsector_size = 0, psector_size = 0;
1486         int             show_version_only = 0, is_device = 0;
1487         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1488         errcode_t       retval;
1489         char *          oldpath = getenv("PATH");
1490         char *          extended_opts = 0;
1491         char *          fs_type = 0;
1492         char *          usage_types = 0;
1493         /*
1494          * NOTE: A few words about fs_blocks_count and blocksize:
1495          *
1496          * Initially, blocksize is set to zero, which implies 1024.
1497          * If -b is specified, blocksize is updated to the user's value.
1498          *
1499          * Next, the device size or the user's "blocks" command line argument
1500          * is used to set fs_blocks_count; the units are blocksize.
1501          *
1502          * Later, if blocksize hasn't been set and the profile specifies a
1503          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1504          * appropriately.  Note the change in units!
1505          *
1506          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1507          */
1508         blk64_t         fs_blocks_count = 0;
1509         long            sysval;
1510         int             s_opt = -1, r_opt = -1;
1511         char            *fs_features = 0;
1512         int             fs_features_size = 0;
1513         int             use_bsize;
1514         char            *newpath;
1515         int             pathlen = sizeof(PATH_SET) + 1;
1516
1517         if (oldpath)
1518                 pathlen += strlen(oldpath);
1519         newpath = malloc(pathlen);
1520         if (!newpath) {
1521                 fprintf(stderr, "%s",
1522                         _("Couldn't allocate memory for new PATH.\n"));
1523                 exit(1);
1524         }
1525         strcpy(newpath, PATH_SET);
1526
1527         /* Update our PATH to include /sbin  */
1528         if (oldpath) {
1529                 strcat (newpath, ":");
1530                 strcat (newpath, oldpath);
1531         }
1532         putenv (newpath);
1533
1534         /* Determine the system page size if possible */
1535 #ifdef HAVE_SYSCONF
1536 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1537 #define _SC_PAGESIZE _SC_PAGE_SIZE
1538 #endif
1539 #ifdef _SC_PAGESIZE
1540         sysval = sysconf(_SC_PAGESIZE);
1541         if (sysval > 0)
1542                 sys_page_size = sysval;
1543 #endif /* _SC_PAGESIZE */
1544 #endif /* HAVE_SYSCONF */
1545
1546         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1547                 config_fn[0] = tmp;
1548         profile_set_syntax_err_cb(syntax_err_report);
1549         retval = profile_init(config_fn, &profile);
1550         if (retval == ENOENT) {
1551                 retval = profile_init(default_files, &profile);
1552                 if (retval)
1553                         goto profile_error;
1554                 retval = profile_set_default(profile, mke2fs_default_profile);
1555                 if (retval)
1556                         goto profile_error;
1557         } else if (retval) {
1558 profile_error:
1559                 fprintf(stderr, _("Couldn't init profile successfully"
1560                                   " (error: %ld).\n"), retval);
1561                 exit(1);
1562         }
1563
1564         setbuf(stdout, NULL);
1565         setbuf(stderr, NULL);
1566         add_error_table(&et_ext2_error_table);
1567         add_error_table(&et_prof_error_table);
1568         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1569         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1570
1571         if (is_before_linux_ver(2, 2, 0))
1572                 fs_param.s_rev_level = 0;
1573
1574         if (argc && *argv) {
1575                 program_name = get_progname(*argv);
1576
1577                 /* If called as mkfs.ext3, create a journal inode */
1578                 if (!strcmp(program_name, "mkfs.ext3") ||
1579                     !strcmp(program_name, "mke3fs"))
1580                         journal_size = -1;
1581         }
1582
1583         while ((c = getopt (argc, argv,
1584                     "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) {
1585                 switch (c) {
1586                 case 'b':
1587                         blocksize = parse_num_blocks2(optarg, -1);
1588                         b = (blocksize > 0) ? blocksize : -blocksize;
1589                         if (b < EXT2_MIN_BLOCK_SIZE ||
1590                             b > EXT2_MAX_BLOCK_SIZE) {
1591                                 com_err(program_name, 0,
1592                                         _("invalid block size - %s"), optarg);
1593                                 exit(1);
1594                         }
1595                         if (blocksize > 4096)
1596                                 fprintf(stderr, _("Warning: blocksize %d not "
1597                                                   "usable on most systems.\n"),
1598                                         blocksize);
1599                         if (blocksize > 0)
1600                                 fs_param.s_log_block_size =
1601                                         int_log2(blocksize >>
1602                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1603                         break;
1604                 case 'c':       /* Check for bad blocks */
1605                         cflag++;
1606                         break;
1607                 case 'C':
1608                         cluster_size = parse_num_blocks2(optarg, -1);
1609                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1610                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1611                                 com_err(program_name, 0,
1612                                         _("invalid cluster size - %s"),
1613                                         optarg);
1614                                 exit(1);
1615                         }
1616                         break;
1617                 case 'd':
1618                         src_root_dir = optarg;
1619                         break;
1620                 case 'D':
1621                         direct_io = 1;
1622                         break;
1623                 case 'R':
1624                         com_err(program_name, 0, "%s",
1625                                 _("'-R' is deprecated, use '-E' instead"));
1626                         /* fallthrough */
1627                 case 'E':
1628                         extended_opts = optarg;
1629                         break;
1630                 case 'e':
1631                         if (strcmp(optarg, "continue") == 0)
1632                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1633                         else if (strcmp(optarg, "remount-ro") == 0)
1634                                 errors_behavior = EXT2_ERRORS_RO;
1635                         else if (strcmp(optarg, "panic") == 0)
1636                                 errors_behavior = EXT2_ERRORS_PANIC;
1637                         else {
1638                                 com_err(program_name, 0,
1639                                         _("bad error behavior - %s"),
1640                                         optarg);
1641                                 usage();
1642                         }
1643                         break;
1644                 case 'F':
1645                         force++;
1646                         break;
1647                 case 'g':
1648                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1649                         if (*tmp) {
1650                                 com_err(program_name, 0, "%s",
1651                                 _("Illegal number for blocks per group"));
1652                                 exit(1);
1653                         }
1654                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1655                                 com_err(program_name, 0, "%s",
1656                                 _("blocks per group must be multiple of 8"));
1657                                 exit(1);
1658                         }
1659                         break;
1660                 case 'G':
1661                         flex_bg_size = strtoul(optarg, &tmp, 0);
1662                         if (*tmp) {
1663                                 com_err(program_name, 0, "%s",
1664                                         _("Illegal number for flex_bg size"));
1665                                 exit(1);
1666                         }
1667                         if (flex_bg_size < 1 ||
1668                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1669                                 com_err(program_name, 0, "%s",
1670                                         _("flex_bg size must be a power of 2"));
1671                                 exit(1);
1672                         }
1673                         if (flex_bg_size > MAX_32_NUM) {
1674                                 com_err(program_name, 0,
1675                                 _("flex_bg size (%lu) must be less than"
1676                                 " or equal to 2^31"), flex_bg_size);
1677                                 exit(1);
1678                         }
1679                         break;
1680                 case 'i':
1681                         inode_ratio = parse_num_blocks(optarg, -1);
1682                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1683                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1684                                 com_err(program_name, 0,
1685                                         _("invalid inode ratio %s (min %d/max %d)"),
1686                                         optarg, EXT2_MIN_BLOCK_SIZE,
1687                                         EXT2_MAX_BLOCK_SIZE * 1024);
1688                                 exit(1);
1689                         }
1690                         break;
1691                 case 'I':
1692                         inode_size = strtoul(optarg, &tmp, 0);
1693                         if (*tmp) {
1694                                 com_err(program_name, 0,
1695                                         _("invalid inode size - %s"), optarg);
1696                                 exit(1);
1697                         }
1698                         break;
1699                 case 'j':
1700                         if (!journal_size)
1701                                 journal_size = -1;
1702                         break;
1703                 case 'J':
1704                         parse_journal_opts(optarg);
1705                         break;
1706                 case 'K':
1707                         fprintf(stderr, "%s",
1708                                 _("Warning: -K option is deprecated and "
1709                                   "should not be used anymore. Use "
1710                                   "\'-E nodiscard\' extended option "
1711                                   "instead!\n"));
1712                         discard = 0;
1713                         break;
1714                 case 'l':
1715                         bad_blocks_filename = realloc(bad_blocks_filename,
1716                                                       strlen(optarg) + 1);
1717                         if (!bad_blocks_filename) {
1718                                 com_err(program_name, ENOMEM, "%s",
1719                                         _("in malloc for bad_blocks_filename"));
1720                                 exit(1);
1721                         }
1722                         strcpy(bad_blocks_filename, optarg);
1723                         break;
1724                 case 'L':
1725                         volume_label = optarg;
1726                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1727                                 volume_label[EXT2_LABEL_LEN] = '\0';
1728                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1729                                         volume_label);
1730                         }
1731                         break;
1732                 case 'm':
1733                         reserved_ratio = strtod(optarg, &tmp);
1734                         if ( *tmp || reserved_ratio > 50 ||
1735                              reserved_ratio < 0) {
1736                                 com_err(program_name, 0,
1737                                         _("invalid reserved blocks percent - %s"),
1738                                         optarg);
1739                                 exit(1);
1740                         }
1741                         break;
1742                 case 'M':
1743                         mount_dir = optarg;
1744                         break;
1745                 case 'n':
1746                         noaction++;
1747                         break;
1748                 case 'N':
1749                         num_inodes = strtoul(optarg, &tmp, 0);
1750                         if (*tmp) {
1751                                 com_err(program_name, 0,
1752                                         _("bad num inodes - %s"), optarg);
1753                                         exit(1);
1754                         }
1755                         break;
1756                 case 'o':
1757                         creator_os = optarg;
1758                         break;
1759                 case 'O':
1760                         retval = ext2fs_resize_mem(fs_features_size,
1761                                    fs_features_size + 1 + strlen(optarg),
1762                                                    &fs_features);
1763                         if (retval) {
1764                                 com_err(program_name, retval,
1765                                      _("while allocating fs_feature string"));
1766                                 exit(1);
1767                         }
1768                         if (fs_features_size)
1769                                 strcat(fs_features, ",");
1770                         else
1771                                 fs_features[0] = 0;
1772                         strcat(fs_features, optarg);
1773                         fs_features_size += 1 + strlen(optarg);
1774                         break;
1775                 case 'q':
1776                         quiet = 1;
1777                         break;
1778                 case 'r':
1779                         r_opt = strtoul(optarg, &tmp, 0);
1780                         if (*tmp) {
1781                                 com_err(program_name, 0,
1782                                         _("bad revision level - %s"), optarg);
1783                                 exit(1);
1784                         }
1785                         if (r_opt > EXT2_MAX_SUPP_REV) {
1786                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1787                                         _("while trying to create revision %d"), r_opt);
1788                                 exit(1);
1789                         }
1790                         fs_param.s_rev_level = r_opt;
1791                         break;
1792                 case 's':       /* deprecated */
1793                         s_opt = atoi(optarg);
1794                         break;
1795                 case 'S':
1796                         super_only = 1;
1797                         break;
1798                 case 't':
1799                         if (fs_type) {
1800                                 com_err(program_name, 0, "%s",
1801                                     _("The -t option may only be used once"));
1802                                 exit(1);
1803                         }
1804                         fs_type = strdup(optarg);
1805                         break;
1806                 case 'T':
1807                         if (usage_types) {
1808                                 com_err(program_name, 0, "%s",
1809                                     _("The -T option may only be used once"));
1810                                 exit(1);
1811                         }
1812                         usage_types = strdup(optarg);
1813                         break;
1814                 case 'U':
1815                         fs_uuid = optarg;
1816                         break;
1817                 case 'v':
1818                         verbose = 1;
1819                         break;
1820                 case 'V':
1821                         /* Print version number and exit */
1822                         show_version_only++;
1823                         break;
1824                 case 'z':
1825                         undo_file = optarg;
1826                         break;
1827                 default:
1828                         usage();
1829                 }
1830         }
1831         if ((optind == argc) && !show_version_only)
1832                 usage();
1833         device_name = argv[optind++];
1834
1835         if (!quiet || show_version_only)
1836                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1837                          E2FSPROGS_DATE);
1838
1839         if (show_version_only) {
1840                 fprintf(stderr, _("\tUsing %s\n"),
1841                         error_message(EXT2_ET_BASE));
1842                 exit(0);
1843         }
1844
1845         /*
1846          * If there's no blocksize specified and there is a journal
1847          * device, use it to figure out the blocksize
1848          */
1849         if (blocksize <= 0 && journal_device) {
1850                 ext2_filsys     jfs;
1851                 io_manager      io_ptr;
1852
1853 #ifdef CONFIG_TESTIO_DEBUG
1854                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1855                         io_ptr = test_io_manager;
1856                         test_io_backing_manager = unix_io_manager;
1857                 } else
1858 #endif
1859                         io_ptr = unix_io_manager;
1860                 retval = ext2fs_open(journal_device,
1861                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1862                                      0, io_ptr, &jfs);
1863                 if (retval) {
1864                         com_err(program_name, retval,
1865                                 _("while trying to open journal device %s\n"),
1866                                 journal_device);
1867                         exit(1);
1868                 }
1869                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1870                         com_err(program_name, 0,
1871                                 _("Journal dev blocksize (%d) smaller than "
1872                                   "minimum blocksize %d\n"), jfs->blocksize,
1873                                 -blocksize);
1874                         exit(1);
1875                 }
1876                 blocksize = jfs->blocksize;
1877                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1878                 fs_param.s_log_block_size =
1879                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1880                 ext2fs_close_free(&jfs);
1881         }
1882
1883         if (optind < argc) {
1884                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1885                                                    fs_param.s_log_block_size);
1886                 if (!fs_blocks_count) {
1887                         com_err(program_name, 0,
1888                                 _("invalid blocks '%s' on device '%s'"),
1889                                 argv[optind - 1], device_name);
1890                         exit(1);
1891                 }
1892         }
1893         if (optind < argc)
1894                 usage();
1895
1896         profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1897                             &sync_kludge);
1898         tmp = getenv("MKE2FS_SYNC");
1899         if (tmp)
1900                 sync_kludge = atoi(tmp);
1901
1902         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1903                             &proceed_delay);
1904
1905         /* The isatty() test is so we don't break existing scripts */
1906         flags = CREATE_FILE;
1907         if (isatty(0) && isatty(1) && !offset)
1908                 flags |= CHECK_FS_EXIST;
1909         if (!quiet)
1910                 flags |= VERBOSE_CREATE;
1911         if (fs_blocks_count == 0)
1912                 flags |= NO_SIZE;
1913         else
1914                 explicit_fssize = 1;
1915         if (!check_plausibility(device_name, flags, &is_device) && !force)
1916                 proceed_question(proceed_delay);
1917
1918         check_mount(device_name, force, _("filesystem"));
1919
1920         /* Determine the size of the device (if possible) */
1921         if (noaction && fs_blocks_count) {
1922                 dev_size = fs_blocks_count;
1923                 retval = 0;
1924         } else
1925 #ifndef _WIN32
1926                 retval = ext2fs_get_device_size2(device_name,
1927                                                  EXT2_BLOCK_SIZE(&fs_param),
1928                                                  &dev_size);
1929 #else
1930                 retval = ext2fs_get_device_size(device_name,
1931                                                 EXT2_BLOCK_SIZE(&fs_param),
1932                                                 &dev_size);
1933 #endif
1934         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1935                 com_err(program_name, retval, "%s",
1936                         _("while trying to determine filesystem size"));
1937                 exit(1);
1938         }
1939         if (!fs_blocks_count) {
1940                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1941                         com_err(program_name, 0, "%s",
1942                                 _("Couldn't determine device size; you "
1943                                 "must specify\nthe size of the "
1944                                 "filesystem\n"));
1945                         exit(1);
1946                 } else {
1947                         if (dev_size == 0) {
1948                                 com_err(program_name, 0, "%s",
1949                                 _("Device size reported to be zero.  "
1950                                   "Invalid partition specified, or\n\t"
1951                                   "partition table wasn't reread "
1952                                   "after running fdisk, due to\n\t"
1953                                   "a modified partition being busy "
1954                                   "and in use.  You may need to reboot\n\t"
1955                                   "to re-read your partition table.\n"
1956                                   ));
1957                                 exit(1);
1958                         }
1959                         fs_blocks_count = dev_size;
1960                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1961                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1962                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1963                 }
1964         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1965                 com_err(program_name, 0, "%s",
1966                         _("Filesystem larger than apparent device size."));
1967                 proceed_question(proceed_delay);
1968         }
1969
1970         if (!fs_type)
1971                 profile_get_string(profile, "devices", device_name,
1972                                    "fs_type", 0, &fs_type);
1973         if (!usage_types)
1974                 profile_get_string(profile, "devices", device_name,
1975                                    "usage_types", 0, &usage_types);
1976
1977         /*
1978          * We have the file system (or device) size, so we can now
1979          * determine the appropriate file system types so the fs can
1980          * be appropriately configured.
1981          */
1982         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1983                                  fs_blocks_count ? fs_blocks_count : dev_size,
1984                                  argv[0]);
1985         if (!fs_types) {
1986                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1987                 exit(1);
1988         }
1989
1990         /* Figure out what features should be enabled */
1991
1992         tmp = NULL;
1993         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1994                 tmp = get_string_from_profile(fs_types, "base_features",
1995                       "sparse_super,large_file,filetype,resize_inode,dir_index");
1996                 edit_feature(tmp, &fs_param.s_feature_compat);
1997                 free(tmp);
1998
1999                 /* And which mount options as well */
2000                 tmp = get_string_from_profile(fs_types, "default_mntopts",
2001                                               "acl,user_xattr");
2002                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
2003                 if (tmp)
2004                         free(tmp);
2005
2006                 for (cpp = fs_types; *cpp; cpp++) {
2007                         tmp = NULL;
2008                         profile_get_string(profile, "fs_types", *cpp,
2009                                            "features", "", &tmp);
2010                         if (tmp && *tmp)
2011                                 edit_feature(tmp, &fs_param.s_feature_compat);
2012                         if (tmp)
2013                                 free(tmp);
2014                 }
2015                 tmp = get_string_from_profile(fs_types, "default_features",
2016                                               "");
2017         }
2018         /* Mask off features which aren't supported by the Hurd */
2019         if (for_hurd(creator_os)) {
2020                 ext2fs_clear_feature_filetype(&fs_param);
2021                 ext2fs_clear_feature_huge_file(&fs_param);
2022                 ext2fs_clear_feature_metadata_csum(&fs_param);
2023                 ext2fs_clear_feature_ea_inode(&fs_param);
2024         }
2025         edit_feature(fs_features ? fs_features : tmp,
2026                      &fs_param.s_feature_compat);
2027         if (tmp)
2028                 free(tmp);
2029         (void) ext2fs_free_mem(&fs_features);
2030         /*
2031          * If the user specified features incompatible with the Hurd, complain
2032          */
2033         if (for_hurd(creator_os)) {
2034                 if (ext2fs_has_feature_filetype(&fs_param)) {
2035                         fprintf(stderr, "%s", _("The HURD does not support the "
2036                                                 "filetype feature.\n"));
2037                         exit(1);
2038                 }
2039                 if (ext2fs_has_feature_huge_file(&fs_param)) {
2040                         fprintf(stderr, "%s", _("The HURD does not support the "
2041                                                 "huge_file feature.\n"));
2042                         exit(1);
2043                 }
2044                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2045                         fprintf(stderr, "%s", _("The HURD does not support the "
2046                                                 "metadata_csum feature.\n"));
2047                         exit(1);
2048                 }
2049                 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2050                         fprintf(stderr, "%s", _("The HURD does not support the "
2051                                                 "ea_inode feature.\n"));
2052                         exit(1);
2053                 }
2054         }
2055
2056         /* Get the hardware sector sizes, if available */
2057         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2058         if (retval) {
2059                 com_err(program_name, retval, "%s",
2060                         _("while trying to determine hardware sector size"));
2061                 exit(1);
2062         }
2063         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2064         if (retval) {
2065                 com_err(program_name, retval, "%s",
2066                         _("while trying to determine physical sector size"));
2067                 exit(1);
2068         }
2069
2070         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2071         if (tmp != NULL)
2072                 lsector_size = atoi(tmp);
2073         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2074         if (tmp != NULL)
2075                 psector_size = atoi(tmp);
2076
2077         /* Older kernels may not have physical/logical distinction */
2078         if (!psector_size)
2079                 psector_size = lsector_size;
2080
2081         if (blocksize <= 0) {
2082                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2083
2084                 if (use_bsize == -1) {
2085                         use_bsize = sys_page_size;
2086                         if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2087                                 use_bsize = 4096;
2088                 }
2089                 if (lsector_size && use_bsize < lsector_size)
2090                         use_bsize = lsector_size;
2091                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2092                         use_bsize = -blocksize;
2093                 blocksize = use_bsize;
2094                 fs_blocks_count /= (blocksize / 1024);
2095         } else {
2096                 if (blocksize < lsector_size) {                 /* Impossible */
2097                         com_err(program_name, EINVAL, "%s",
2098                                 _("while setting blocksize; too small "
2099                                   "for device\n"));
2100                         exit(1);
2101                 } else if ((blocksize < psector_size) &&
2102                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2103                         fprintf(stderr, _("Warning: specified blocksize %d is "
2104                                 "less than device physical sectorsize %d\n"),
2105                                 blocksize, psector_size);
2106                 }
2107         }
2108
2109         fs_param.s_log_block_size =
2110                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2111
2112         /*
2113          * We now need to do a sanity check of fs_blocks_count for
2114          * 32-bit vs 64-bit block number support.
2115          */
2116         if ((fs_blocks_count > MAX_32_NUM) &&
2117             ext2fs_has_feature_64bit(&fs_param))
2118                 ext2fs_clear_feature_resize_inode(&fs_param);
2119         if ((fs_blocks_count > MAX_32_NUM) &&
2120             !ext2fs_has_feature_64bit(&fs_param) &&
2121             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2122                 ext2fs_set_feature_64bit(&fs_param);
2123                 ext2fs_clear_feature_resize_inode(&fs_param);
2124         }
2125         if ((fs_blocks_count > MAX_32_NUM) &&
2126             !ext2fs_has_feature_64bit(&fs_param)) {
2127                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2128                                   "too big to be expressed\n\t"
2129                                   "in 32 bits using a blocksize of %d.\n"),
2130                         program_name, fs_blocks_count, device_name,
2131                         EXT2_BLOCK_SIZE(&fs_param));
2132                 exit(1);
2133         }
2134         /*
2135          * Guard against group descriptor count overflowing... Mostly to avoid
2136          * strange results for absurdly large devices.
2137          */
2138         if (fs_blocks_count > ((1ULL << (fs_param.s_log_block_size + 3 + 32)) - 1)) {
2139                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2140                                   "too big to create\n\t"
2141                                   "a filesystem using a blocksize of %d.\n"),
2142                         program_name, fs_blocks_count, device_name,
2143                         EXT2_BLOCK_SIZE(&fs_param));
2144                 exit(1);
2145         }
2146
2147         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2148
2149         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2150                 int i;
2151
2152                 for (i=0; fs_types[i]; i++) {
2153                         free(fs_types[i]);
2154                         fs_types[i] = 0;
2155                 }
2156                 fs_types[0] = strdup("journal");
2157                 fs_types[1] = 0;
2158         }
2159
2160         if (verbose) {
2161                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2162                 print_str_list(fs_types);
2163         }
2164
2165         if (r_opt == EXT2_GOOD_OLD_REV &&
2166             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2167              fs_param.s_feature_ro_compat)) {
2168                 fprintf(stderr, "%s", _("Filesystem features not supported "
2169                                         "with revision 0 filesystems\n"));
2170                 exit(1);
2171         }
2172
2173         if (s_opt > 0) {
2174                 if (r_opt == EXT2_GOOD_OLD_REV) {
2175                         fprintf(stderr, "%s",
2176                                 _("Sparse superblocks not supported "
2177                                   "with revision 0 filesystems\n"));
2178                         exit(1);
2179                 }
2180                 ext2fs_set_feature_sparse_super(&fs_param);
2181         } else if (s_opt == 0)
2182                 ext2fs_clear_feature_sparse_super(&fs_param);
2183
2184         if (journal_size != 0) {
2185                 if (r_opt == EXT2_GOOD_OLD_REV) {
2186                         fprintf(stderr, "%s", _("Journals not supported with "
2187                                                 "revision 0 filesystems\n"));
2188                         exit(1);
2189                 }
2190                 ext2fs_set_feature_journal(&fs_param);
2191         }
2192
2193         /* Get reserved_ratio from profile if not specified on cmd line. */
2194         if (reserved_ratio < 0.0) {
2195                 reserved_ratio = get_double_from_profile(
2196                                         fs_types, "reserved_ratio", 5.0);
2197                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2198                         com_err(program_name, 0,
2199                                 _("invalid reserved blocks percent - %lf"),
2200                                 reserved_ratio);
2201                         exit(1);
2202                 }
2203         }
2204
2205         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2206                 reserved_ratio = 0;
2207                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2208                 fs_param.s_feature_compat = 0;
2209                 fs_param.s_feature_ro_compat &=
2210                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2211         }
2212
2213         /* Check the user's mkfs options for 64bit */
2214         if (ext2fs_has_feature_64bit(&fs_param) &&
2215             !ext2fs_has_feature_extents(&fs_param)) {
2216                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2217                                "filesystem.  Pass -O extents to rectify.\n"));
2218                 exit(1);
2219         }
2220
2221         /* Set first meta blockgroup via an environment variable */
2222         /* (this is mostly for debugging purposes) */
2223         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2224             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2225                 fs_param.s_first_meta_bg = atoi(tmp);
2226         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2227                 if (!cluster_size)
2228                         cluster_size = get_int_from_profile(fs_types,
2229                                                             "cluster_size",
2230                                                             blocksize*16);
2231                 fs_param.s_log_cluster_size =
2232                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2233                 if (fs_param.s_log_cluster_size &&
2234                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2235                         com_err(program_name, 0, "%s",
2236                                 _("The cluster size may not be "
2237                                   "smaller than the block size.\n"));
2238                         exit(1);
2239                 }
2240         } else if (cluster_size) {
2241                 com_err(program_name, 0, "%s",
2242                         _("specifying a cluster size requires the "
2243                           "bigalloc feature"));
2244                 exit(1);
2245         } else
2246                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2247
2248         if (inode_ratio == 0) {
2249                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2250                                                    8192);
2251                 if (inode_ratio < blocksize)
2252                         inode_ratio = blocksize;
2253                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2254                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2255         }
2256
2257 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2258         retval = get_device_geometry(device_name, &fs_param,
2259                                      (unsigned int) psector_size);
2260         if (retval < 0) {
2261                 fprintf(stderr,
2262                         _("warning: Unable to get device geometry for %s\n"),
2263                         device_name);
2264         } else if (retval) {
2265                 printf(_("%s alignment is offset by %lu bytes.\n"),
2266                        device_name, retval);
2267                 printf(_("This may result in very poor performance, "
2268                           "(re)-partitioning suggested.\n"));
2269         }
2270 #endif
2271
2272         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2273
2274         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2275
2276         /*
2277          * Initialize s_desc_size so that the parse_extended_opts()
2278          * can correctly handle "-E resize=NNN" if the 64-bit option
2279          * is set.
2280          */
2281         if (ext2fs_has_feature_64bit(&fs_param))
2282                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2283
2284         /* This check should happen beyond the last assignment to blocksize */
2285         if (blocksize > sys_page_size) {
2286                 if (!force) {
2287                         com_err(program_name, 0,
2288                                 _("%d-byte blocks too big for system (max %d)"),
2289                                 blocksize, sys_page_size);
2290                         proceed_question(proceed_delay);
2291                 }
2292                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2293                                   "(max %d), forced to continue\n"),
2294                         blocksize, sys_page_size);
2295         }
2296
2297         /* Metadata checksumming wasn't totally stable before 3.18. */
2298         if (is_before_linux_ver(3, 18, 0) &&
2299             ext2fs_has_feature_metadata_csum(&fs_param))
2300                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2301                         "improved stability of the metadata and journal "
2302                         "checksum features.\n"));
2303
2304         /*
2305          * On newer kernels we do have lazy_itable_init support. So pick the
2306          * right default in case ext4 module is not loaded.
2307          */
2308         if (is_before_linux_ver(2, 6, 37))
2309                 lazy_itable_init = 0;
2310         else
2311                 lazy_itable_init = 1;
2312
2313         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2314                 lazy_itable_init = 1;
2315
2316         lazy_itable_init = get_bool_from_profile(fs_types,
2317                                                  "lazy_itable_init",
2318                                                  lazy_itable_init);
2319         discard = get_bool_from_profile(fs_types, "discard" , discard);
2320         journal_flags |= get_bool_from_profile(fs_types,
2321                                                "lazy_journal_init", 0) ?
2322                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2323         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2324
2325         if (!journal_location_string)
2326                 journal_location_string = get_string_from_profile(fs_types,
2327                                                 "journal_location", "");
2328         if ((journal_location == ~0ULL) && journal_location_string &&
2329             *journal_location_string)
2330                 journal_location = parse_num_blocks2(journal_location_string,
2331                                                 fs_param.s_log_block_size);
2332         free(journal_location_string);
2333
2334         packed_meta_blocks = get_bool_from_profile(fs_types,
2335                                                    "packed_meta_blocks", 0);
2336         if (packed_meta_blocks)
2337                 journal_location = 0;
2338
2339         /* Get options from profile */
2340         for (cpp = fs_types; *cpp; cpp++) {
2341                 tmp = NULL;
2342                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2343                         if (tmp && *tmp)
2344                                 parse_extended_opts(&fs_param, tmp);
2345                         free(tmp);
2346         }
2347
2348         if (extended_opts)
2349                 parse_extended_opts(&fs_param, extended_opts);
2350
2351         if (explicit_fssize == 0 && offset > 0) {
2352                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2353                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2354                 fprintf(stderr,
2355                         _("\nWarning: offset specified without an "
2356                           "explicit file system size.\n"
2357                           "Creating a file system with %llu blocks "
2358                           "but this might\n"
2359                           "not be what you want.\n\n"),
2360                         (unsigned long long) fs_blocks_count);
2361         }
2362
2363         if (quotatype_bits & QUOTA_PRJ_BIT)
2364                 ext2fs_set_feature_project(&fs_param);
2365
2366         if (ext2fs_has_feature_project(&fs_param)) {
2367                 quotatype_bits |= QUOTA_PRJ_BIT;
2368                 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2369                         com_err(program_name, 0,
2370                                 _("%d byte inodes are too small for "
2371                                   "project quota"),
2372                                 inode_size);
2373                         exit(1);
2374                 }
2375                 if (inode_size == 0) {
2376                         inode_size = get_int_from_profile(fs_types,
2377                                                           "inode_size", 0);
2378                         if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2379                                 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2380                 }
2381         }
2382
2383         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2384         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2385             ext2fs_has_feature_gdt_csum(&fs_param))
2386                 ext2fs_clear_feature_gdt_csum(&fs_param);
2387
2388         /* Can't support bigalloc feature without extents feature */
2389         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2390             !ext2fs_has_feature_extents(&fs_param)) {
2391                 com_err(program_name, 0, "%s",
2392                         _("Can't support bigalloc feature without "
2393                           "extents feature"));
2394                 exit(1);
2395         }
2396
2397         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2398             ext2fs_has_feature_resize_inode(&fs_param)) {
2399                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2400                                         "features are not compatible.\n"
2401                                         "They can not be both enabled "
2402                                         "simultaneously.\n"));
2403                 exit(1);
2404         }
2405
2406         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2407                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2408                                   "still under development\n"
2409                                   "See https://ext4.wiki.kernel.org/"
2410                                   "index.php/Bigalloc for more information\n\n"));
2411
2412         /*
2413          * Since sparse_super is the default, we would only have a problem
2414          * here if it was explicitly disabled.
2415          */
2416         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2417             !ext2fs_has_feature_sparse_super(&fs_param)) {
2418                 com_err(program_name, 0, "%s",
2419                         _("reserved online resize blocks not supported "
2420                           "on non-sparse filesystem"));
2421                 exit(1);
2422         }
2423
2424         if (fs_param.s_blocks_per_group) {
2425                 if (fs_param.s_blocks_per_group < 256 ||
2426                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2427                         com_err(program_name, 0, "%s",
2428                                 _("blocks per group count out of range"));
2429                         exit(1);
2430                 }
2431         }
2432
2433         /*
2434          * If the bigalloc feature is enabled, then the -g option will
2435          * specify the number of clusters per group.
2436          */
2437         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2438                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2439                 fs_param.s_blocks_per_group = 0;
2440         }
2441
2442         if (inode_size == 0)
2443                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2444         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2445                 flex_bg_size = get_uint_from_profile(fs_types,
2446                                                      "flex_bg_size", 16);
2447         if (flex_bg_size) {
2448                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2449                         com_err(program_name, 0, "%s",
2450                                 _("Flex_bg feature not enabled, so "
2451                                   "flex_bg size may not be specified"));
2452                         exit(1);
2453                 }
2454                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2455         }
2456
2457         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2458                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2459                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2460                     inode_size & (inode_size - 1)) {
2461                         com_err(program_name, 0,
2462                                 _("invalid inode size %d (min %d/max %d)"),
2463                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2464                                 blocksize);
2465                         exit(1);
2466                 }
2467                 fs_param.s_inode_size = inode_size;
2468         }
2469
2470         /*
2471          * If inode size is 128 and inline data is enabled, we need
2472          * to notify users that inline data will never be useful.
2473          */
2474         if (ext2fs_has_feature_inline_data(&fs_param) &&
2475             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2476                 com_err(program_name, 0,
2477                         _("%d byte inodes are too small for inline data; "
2478                           "specify larger size"),
2479                         fs_param.s_inode_size);
2480                 exit(1);
2481         }
2482
2483         /* Make sure number of inodes specified will fit in 32 bits */
2484         if (num_inodes == 0) {
2485                 unsigned long long n;
2486                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2487                 if (n > MAX_32_NUM) {
2488                         if (ext2fs_has_feature_64bit(&fs_param))
2489                                 num_inodes = MAX_32_NUM;
2490                         else {
2491                                 com_err(program_name, 0,
2492                                         _("too many inodes (%llu), raise "
2493                                           "inode ratio?"), n);
2494                                 exit(1);
2495                         }
2496                 }
2497         } else if (num_inodes > MAX_32_NUM) {
2498                 com_err(program_name, 0,
2499                         _("too many inodes (%llu), specify < 2^32 inodes"),
2500                           num_inodes);
2501                 exit(1);
2502         }
2503         /*
2504          * Calculate number of inodes based on the inode ratio
2505          */
2506         fs_param.s_inodes_count = num_inodes ? num_inodes :
2507                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2508
2509         if ((((unsigned long long)fs_param.s_inodes_count) *
2510              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2511             ((ext2fs_blocks_count(&fs_param)) *
2512              EXT2_BLOCK_SIZE(&fs_param))) {
2513                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2514                                           "(%u) too big for a\n\t"
2515                                           "filesystem with %llu blocks, "
2516                                           "specify higher inode_ratio (-i)\n\t"
2517                                           "or lower inode count (-N).\n"),
2518                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2519                         fs_param.s_inodes_count,
2520                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2521                 exit(1);
2522         }
2523
2524         /*
2525          * Calculate number of blocks to reserve
2526          */
2527         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2528                                   ext2fs_blocks_count(&fs_param) / 100.0);
2529
2530         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2531                 if (num_backups >= 1)
2532                         fs_param.s_backup_bgs[0] = 1;
2533                 if (num_backups >= 2)
2534                         fs_param.s_backup_bgs[1] = ~0;
2535         }
2536
2537         free(fs_type);
2538         free(usage_types);
2539 }
2540
2541 static int should_do_undo(const char *name)
2542 {
2543         errcode_t retval;
2544         io_channel channel;
2545         __u16   s_magic;
2546         struct ext2_super_block super;
2547         io_manager manager = unix_io_manager;
2548         int csum_flag, force_undo;
2549
2550         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2551                     ext2fs_has_feature_gdt_csum(&fs_param);
2552         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2553         if (!force_undo && (!csum_flag || !lazy_itable_init))
2554                 return 0;
2555
2556         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2557         if (retval) {
2558                 /*
2559                  * We don't handle error cases instead we
2560                  * declare that the file system doesn't exist
2561                  * and let the rest of mke2fs take care of
2562                  * error
2563                  */
2564                 retval = 0;
2565                 goto open_err_out;
2566         }
2567
2568         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2569         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2570         if (retval) {
2571                 retval = 0;
2572                 goto err_out;
2573         }
2574
2575 #if defined(WORDS_BIGENDIAN)
2576         s_magic = ext2fs_swab16(super.s_magic);
2577 #else
2578         s_magic = super.s_magic;
2579 #endif
2580
2581         if (s_magic == EXT2_SUPER_MAGIC)
2582                 retval = 1;
2583
2584 err_out:
2585         io_channel_close(channel);
2586
2587 open_err_out:
2588
2589         return retval;
2590 }
2591
2592 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2593 {
2594         errcode_t retval = ENOMEM;
2595         char *tdb_dir = NULL, *tdb_file = NULL;
2596         char *dev_name, *tmp_name;
2597         int free_tdb_dir = 0;
2598
2599         /* (re)open a specific undo file */
2600         if (undo_file && undo_file[0] != 0) {
2601                 retval = set_undo_io_backing_manager(*io_ptr);
2602                 if (retval)
2603                         goto err;
2604                 *io_ptr = undo_io_manager;
2605                 retval = set_undo_io_backup_file(undo_file);
2606                 if (retval)
2607                         goto err;
2608                 printf(_("Overwriting existing filesystem; this can be undone "
2609                          "using the command:\n"
2610                          "    e2undo %s %s\n\n"), undo_file, name);
2611                 return retval;
2612         }
2613
2614         /*
2615          * Configuration via a conf file would be
2616          * nice
2617          */
2618         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2619         if (!tdb_dir) {
2620                 profile_get_string(profile, "defaults",
2621                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2622                                    &tdb_dir);
2623                 free_tdb_dir = 1;
2624         }
2625
2626         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2627             access(tdb_dir, W_OK)) {
2628                 if (free_tdb_dir)
2629                         free(tdb_dir);
2630                 return 0;
2631         }
2632
2633         tmp_name = strdup(name);
2634         if (!tmp_name)
2635                 goto errout;
2636         dev_name = basename(tmp_name);
2637         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2638         if (!tdb_file) {
2639                 free(tmp_name);
2640                 goto errout;
2641         }
2642         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2643         free(tmp_name);
2644
2645         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2646                 retval = errno;
2647                 com_err(program_name, retval,
2648                         _("while trying to delete %s"), tdb_file);
2649                 goto errout;
2650         }
2651
2652         retval = set_undo_io_backing_manager(*io_ptr);
2653         if (retval)
2654                 goto errout;
2655         *io_ptr = undo_io_manager;
2656         retval = set_undo_io_backup_file(tdb_file);
2657         if (retval)
2658                 goto errout;
2659         printf(_("Overwriting existing filesystem; this can be undone "
2660                  "using the command:\n"
2661                  "    e2undo %s %s\n\n"), tdb_file, name);
2662
2663         if (free_tdb_dir)
2664                 free(tdb_dir);
2665         free(tdb_file);
2666         return 0;
2667
2668 errout:
2669         if (free_tdb_dir)
2670                 free(tdb_dir);
2671         free(tdb_file);
2672 err:
2673         com_err(program_name, retval, "%s",
2674                 _("while trying to setup undo file\n"));
2675         return retval;
2676 }
2677
2678 static int mke2fs_discard_device(ext2_filsys fs)
2679 {
2680         struct ext2fs_numeric_progress_struct progress;
2681         blk64_t blocks = ext2fs_blocks_count(fs->super);
2682         blk64_t count = DISCARD_STEP_MB;
2683         blk64_t cur;
2684         int retval = 0;
2685
2686         /*
2687          * Let's try if discard really works on the device, so
2688          * we do not print numeric progress resulting in failure
2689          * afterwards.
2690          */
2691         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2692         if (retval)
2693                 return retval;
2694         cur = fs->blocksize;
2695
2696         count *= (1024 * 1024);
2697         count /= fs->blocksize;
2698
2699         ext2fs_numeric_progress_init(fs, &progress,
2700                                      _("Discarding device blocks: "),
2701                                      blocks);
2702         while (cur < blocks) {
2703                 ext2fs_numeric_progress_update(fs, &progress, cur);
2704
2705                 if (cur + count > blocks)
2706                         count = blocks - cur;
2707
2708                 retval = io_channel_discard(fs->io, cur, count);
2709                 if (retval)
2710                         break;
2711                 cur += count;
2712         }
2713
2714         if (retval) {
2715                 ext2fs_numeric_progress_close(fs, &progress,
2716                                       _("failed - "));
2717                 if (!quiet)
2718                         printf("%s\n",error_message(retval));
2719         } else
2720                 ext2fs_numeric_progress_close(fs, &progress,
2721                                       _("done                            \n"));
2722
2723         return retval;
2724 }
2725
2726 static void fix_cluster_bg_counts(ext2_filsys fs)
2727 {
2728         blk64_t         block, num_blocks, last_block, next;
2729         blk64_t         tot_free = 0;
2730         errcode_t       retval;
2731         dgrp_t          group = 0;
2732         int             grp_free = 0;
2733
2734         num_blocks = ext2fs_blocks_count(fs->super);
2735         last_block = ext2fs_group_last_block2(fs, group);
2736         block = fs->super->s_first_data_block;
2737         while (block < num_blocks) {
2738                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2739                                                 block, last_block, &next);
2740                 if (retval == 0)
2741                         block = next;
2742                 else {
2743                         block = last_block + 1;
2744                         goto next_bg;
2745                 }
2746
2747                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2748                                                 block, last_block, &next);
2749                 if (retval)
2750                         next = last_block + 1;
2751                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2752                 tot_free += next - block;
2753                 block = next;
2754
2755                 if (block > last_block) {
2756                 next_bg:
2757                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2758                         ext2fs_group_desc_csum_set(fs, group);
2759                         grp_free = 0;
2760                         group++;
2761                         last_block = ext2fs_group_last_block2(fs, group);
2762                 }
2763         }
2764         ext2fs_free_blocks_count_set(fs->super, tot_free);
2765 }
2766
2767 static int create_quota_inodes(ext2_filsys fs)
2768 {
2769         quota_ctx_t qctx;
2770         errcode_t retval;
2771
2772         retval = quota_init_context(&qctx, fs, quotatype_bits);
2773         if (retval) {
2774                 com_err(program_name, retval,
2775                         _("while initializing quota context"));
2776                 exit(1);
2777         }
2778         quota_compute_usage(qctx);
2779         retval = quota_write_inode(qctx, quotatype_bits);
2780         if (retval) {
2781                 com_err(program_name, retval,
2782                         _("while writing quota inodes"));
2783                 exit(1);
2784         }
2785         quota_release_context(&qctx);
2786
2787         return 0;
2788 }
2789
2790 static errcode_t set_error_behavior(ext2_filsys fs)
2791 {
2792         char    *arg = NULL;
2793         short   errors = fs->super->s_errors;
2794
2795         arg = get_string_from_profile(fs_types, "errors", NULL);
2796         if (arg == NULL)
2797                 goto try_user;
2798
2799         if (strcmp(arg, "continue") == 0)
2800                 errors = EXT2_ERRORS_CONTINUE;
2801         else if (strcmp(arg, "remount-ro") == 0)
2802                 errors = EXT2_ERRORS_RO;
2803         else if (strcmp(arg, "panic") == 0)
2804                 errors = EXT2_ERRORS_PANIC;
2805         else {
2806                 com_err(program_name, 0,
2807                         _("bad error behavior in profile - %s"),
2808                         arg);
2809                 free(arg);
2810                 return EXT2_ET_INVALID_ARGUMENT;
2811         }
2812         free(arg);
2813
2814 try_user:
2815         if (errors_behavior)
2816                 errors = errors_behavior;
2817
2818         fs->super->s_errors = errors;
2819         return 0;
2820 }
2821
2822 int main (int argc, char *argv[])
2823 {
2824         errcode_t       retval = 0;
2825         ext2_filsys     fs;
2826         badblocks_list  bb_list = 0;
2827         unsigned int    journal_blocks = 0;
2828         unsigned int    i, checkinterval;
2829         int             max_mnt_count;
2830         int             val, hash_alg;
2831         int             flags;
2832         int             old_bitmaps;
2833         io_manager      io_ptr;
2834         char            opt_string[40];
2835         char            *hash_alg_str;
2836         int             itable_zeroed = 0;
2837
2838 #ifdef ENABLE_NLS
2839         setlocale(LC_MESSAGES, "");
2840         setlocale(LC_CTYPE, "");
2841         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2842         textdomain(NLS_CAT_NAME);
2843         set_com_err_gettext(gettext);
2844 #endif
2845         PRS(argc, argv);
2846
2847 #ifdef CONFIG_TESTIO_DEBUG
2848         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2849                 io_ptr = test_io_manager;
2850                 test_io_backing_manager = unix_io_manager;
2851         } else
2852 #endif
2853                 io_ptr = unix_io_manager;
2854
2855         if (undo_file != NULL || should_do_undo(device_name)) {
2856                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2857                 if (retval)
2858                         exit(1);
2859         }
2860
2861         /*
2862          * Initialize the superblock....
2863          */
2864         flags = EXT2_FLAG_EXCLUSIVE;
2865         if (direct_io)
2866                 flags |= EXT2_FLAG_DIRECT_IO;
2867         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2868                             &old_bitmaps);
2869         if (!old_bitmaps)
2870                 flags |= EXT2_FLAG_64BITS;
2871         /*
2872          * By default, we print how many inode tables or block groups
2873          * or whatever we've written so far.  The quiet flag disables
2874          * this, along with a lot of other output.
2875          */
2876         if (!quiet)
2877                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2878         if (android_sparse_file) {
2879                 char *android_sparse_params = malloc(strlen(device_name) + 48);
2880
2881                 if (!android_sparse_params) {
2882                         com_err(program_name, ENOMEM, "%s",
2883                                 _("in malloc for android_sparse_params"));
2884                         exit(1);
2885                 }
2886                 sprintf(android_sparse_params, "(%s):%u:%u",
2887                          device_name, fs_param.s_blocks_count,
2888                          1024 << fs_param.s_log_block_size);
2889                 retval = ext2fs_initialize(android_sparse_params, flags,
2890                                            &fs_param, sparse_io_manager, &fs);
2891                 free(android_sparse_params);
2892         } else
2893                 retval = ext2fs_initialize(device_name, flags, &fs_param,
2894                                            io_ptr, &fs);
2895         if (retval) {
2896                 com_err(device_name, retval, "%s",
2897                         _("while setting up superblock"));
2898                 exit(1);
2899         }
2900         fs->progress_ops = &ext2fs_numeric_progress_ops;
2901
2902         /* Set the error behavior */
2903         retval = set_error_behavior(fs);
2904         if (retval)
2905                 usage();
2906
2907         /* Check the user's mkfs options for metadata checksumming */
2908         if (!quiet &&
2909             !ext2fs_has_feature_journal_dev(fs->super) &&
2910             ext2fs_has_feature_metadata_csum(fs->super)) {
2911                 if (!ext2fs_has_feature_extents(fs->super))
2912                         printf("%s",
2913                                _("Extents are not enabled.  The file extent "
2914                                  "tree can be checksummed, whereas block maps "
2915                                  "cannot.  Not enabling extents reduces the "
2916                                  "coverage of metadata checksumming.  "
2917                                  "Pass -O extents to rectify.\n"));
2918                 if (!ext2fs_has_feature_64bit(fs->super))
2919                         printf("%s",
2920                                _("64-bit filesystem support is not enabled.  "
2921                                  "The larger fields afforded by this feature "
2922                                  "enable full-strength checksumming.  "
2923                                  "Pass -O 64bit to rectify.\n"));
2924         }
2925
2926         if (ext2fs_has_feature_csum_seed(fs->super) &&
2927             !ext2fs_has_feature_metadata_csum(fs->super)) {
2928                 printf("%s", _("The metadata_csum_seed feature "
2929                                "requires the metadata_csum feature.\n"));
2930                 exit(1);
2931         }
2932
2933         /* Calculate journal blocks */
2934         if (!journal_device && ((journal_size) ||
2935             ext2fs_has_feature_journal(&fs_param)))
2936                 journal_blocks = figure_journal_size(journal_size, fs);
2937
2938         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2939                 32768 : fs->blocksize * 8);
2940         io_channel_set_options(fs->io, opt_string);
2941         if (offset) {
2942                 sprintf(opt_string, "offset=%llu", offset);
2943                 io_channel_set_options(fs->io, opt_string);
2944         }
2945
2946         /* Can't undo discard ... */
2947         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
2948                 retval = mke2fs_discard_device(fs);
2949                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2950                         if (verbose)
2951                                 printf("%s",
2952                                        _("Discard succeeded and will return "
2953                                          "0s - skipping inode table wipe\n"));
2954                         lazy_itable_init = 1;
2955                         itable_zeroed = 1;
2956                         zero_hugefile = 0;
2957                 }
2958         }
2959
2960         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2961                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2962
2963         if (ext2fs_has_feature_flex_bg(&fs_param) ||
2964             ext2fs_has_feature_huge_file(&fs_param) ||
2965             ext2fs_has_feature_gdt_csum(&fs_param) ||
2966             ext2fs_has_feature_dir_nlink(&fs_param) ||
2967             ext2fs_has_feature_metadata_csum(&fs_param) ||
2968             ext2fs_has_feature_extra_isize(&fs_param))
2969                 fs->super->s_kbytes_written = 1;
2970
2971         /*
2972          * Wipe out the old on-disk superblock
2973          */
2974         if (!noaction)
2975                 zap_sector(fs, 2, 6);
2976
2977         /*
2978          * Parse or generate a UUID for the filesystem
2979          */
2980         if (fs_uuid) {
2981                 if ((strcasecmp(fs_uuid, "null") == 0) ||
2982                     (strcasecmp(fs_uuid, "clear") == 0)) {
2983                         uuid_clear(fs->super->s_uuid);
2984                 } else if (strcasecmp(fs_uuid, "time") == 0) {
2985                         uuid_generate_time(fs->super->s_uuid);
2986                 } else if (strcasecmp(fs_uuid, "random") == 0) {
2987                         uuid_generate(fs->super->s_uuid);
2988                 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
2989                         com_err(device_name, 0, "could not parse UUID: %s\n",
2990                                 fs_uuid);
2991                         exit(1);
2992                 }
2993         } else
2994                 uuid_generate(fs->super->s_uuid);
2995
2996         if (ext2fs_has_feature_csum_seed(fs->super))
2997                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
2998                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
2999
3000         ext2fs_init_csum_seed(fs);
3001
3002         /*
3003          * Initialize the directory index variables
3004          */
3005         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3006                                                "half_md4");
3007         hash_alg = e2p_string2hash(hash_alg_str);
3008         free(hash_alg_str);
3009         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3010                 EXT2_HASH_HALF_MD4;
3011
3012         if (memcmp(fs_param.s_hash_seed, zero_buf,
3013                 sizeof(fs_param.s_hash_seed)) != 0) {
3014                 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3015                         sizeof(fs->super->s_hash_seed));
3016         } else
3017                 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3018
3019         /*
3020          * Periodic checks can be enabled/disabled via config file.
3021          * Note we override the kernel include file's idea of what the default
3022          * check interval (never) should be.  It's a good idea to check at
3023          * least *occasionally*, specially since servers will never rarely get
3024          * to reboot, since Linux is so robust these days.  :-)
3025          *
3026          * 180 days (six months) seems like a good value.
3027          */
3028 #ifdef EXT2_DFL_CHECKINTERVAL
3029 #undef EXT2_DFL_CHECKINTERVAL
3030 #endif
3031 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3032
3033         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3034                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3035                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3036                 /*
3037                  * Add "jitter" to the superblock's check interval so that we
3038                  * don't check all the filesystems at the same time.  We use a
3039                  * kludgy hack of using the UUID to derive a random jitter value
3040                  */
3041                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3042                         val += fs->super->s_uuid[i];
3043                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3044         } else
3045                 fs->super->s_max_mnt_count = -1;
3046
3047         /*
3048          * Override the creator OS, if applicable
3049          */
3050         if (creator_os && !set_os(fs->super, creator_os)) {
3051                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3052                 exit(1);
3053         }
3054
3055         /*
3056          * For the Hurd, we will turn off filetype since it doesn't
3057          * support it.
3058          */
3059         if (fs->super->s_creator_os == EXT2_OS_HURD)
3060                 ext2fs_clear_feature_filetype(fs->super);
3061
3062         /*
3063          * Set the volume label...
3064          */
3065         if (volume_label) {
3066                 memset(fs->super->s_volume_name, 0,
3067                        sizeof(fs->super->s_volume_name));
3068                 strncpy(fs->super->s_volume_name, volume_label,
3069                         sizeof(fs->super->s_volume_name));
3070         }
3071
3072         /*
3073          * Set the last mount directory
3074          */
3075         if (mount_dir) {
3076                 memset(fs->super->s_last_mounted, 0,
3077                        sizeof(fs->super->s_last_mounted));
3078                 strncpy(fs->super->s_last_mounted, mount_dir,
3079                         sizeof(fs->super->s_last_mounted));
3080         }
3081
3082         /* Set current default encryption algorithms for data and
3083          * filename encryption */
3084         if (ext2fs_has_feature_encrypt(fs->super)) {
3085                 fs->super->s_encrypt_algos[0] =
3086                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3087                 fs->super->s_encrypt_algos[1] =
3088                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3089         }
3090
3091         if (ext2fs_has_feature_metadata_csum(fs->super))
3092                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3093
3094         if (!quiet || noaction)
3095                 show_stats(fs);
3096
3097         if (noaction)
3098                 exit(0);
3099
3100         if (ext2fs_has_feature_journal_dev(fs->super)) {
3101                 create_journal_dev(fs);
3102                 printf("\n");
3103                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3104         }
3105
3106         if (bad_blocks_filename)
3107                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3108         if (cflag)
3109                 test_disk(fs, &bb_list);
3110         handle_bad_blocks(fs, bb_list);
3111
3112         fs->stride = fs_stride = fs->super->s_raid_stride;
3113         if (!quiet)
3114                 printf("%s", _("Allocating group tables: "));
3115         if (ext2fs_has_feature_flex_bg(fs->super) &&
3116             packed_meta_blocks)
3117                 retval = packed_allocate_tables(fs);
3118         else
3119                 retval = ext2fs_allocate_tables(fs);
3120         if (retval) {
3121                 com_err(program_name, retval, "%s",
3122                         _("while trying to allocate filesystem tables"));
3123                 exit(1);
3124         }
3125         if (!quiet)
3126                 printf("%s", _("done                            \n"));
3127
3128         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3129         if (retval) {
3130                 com_err(program_name, retval, "%s",
3131                         _("\n\twhile converting subcluster bitmap"));
3132                 exit(1);
3133         }
3134
3135         if (super_only) {
3136                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3137                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3138                        device_name);
3139                 if (!force)
3140                         proceed_question(proceed_delay);
3141                 fs->super->s_state |= EXT2_ERROR_FS;
3142                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3143                 /*
3144                  * The command "mke2fs -S" is used to recover
3145                  * corrupted file systems, so do not mark any of the
3146                  * inodes as unused; we want e2fsck to consider all
3147                  * inodes as potentially containing recoverable data.
3148                  */
3149                 if (ext2fs_has_group_desc_csum(fs)) {
3150                         for (i = 0; i < fs->group_desc_count; i++)
3151                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3152                 }
3153         } else {
3154                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3155                 blk64_t rsv = 65536 / fs->blocksize;
3156                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3157                 blk64_t start;
3158                 blk64_t ret_blk;
3159
3160 #ifdef ZAP_BOOTBLOCK
3161                 zap_sector(fs, 0, 2);
3162 #endif
3163
3164                 /*
3165                  * Wipe out any old MD RAID (or other) metadata at the end
3166                  * of the device.  This will also verify that the device is
3167                  * as large as we think.  Be careful with very small devices.
3168                  */
3169                 start = (blocks & ~(rsv - 1));
3170                 if (start > rsv)
3171                         start -= rsv;
3172                 if (start > 0)
3173                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3174                                                     &ret_blk, NULL);
3175
3176                 if (retval) {
3177                         com_err(program_name, retval,
3178                                 _("while zeroing block %llu at end of filesystem"),
3179                                 ret_blk);
3180                 }
3181                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3182                 create_root_dir(fs);
3183                 create_lost_and_found(fs);
3184                 reserve_inodes(fs);
3185                 create_bad_block_inode(fs, bb_list);
3186                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3187                         retval = ext2fs_create_resize_inode(fs);
3188                         if (retval) {
3189                                 com_err("ext2fs_create_resize_inode", retval,
3190                                         "%s",
3191                                 _("while reserving blocks for online resize"));
3192                                 exit(1);
3193                         }
3194                 }
3195         }
3196
3197         if (journal_device) {
3198                 ext2_filsys     jfs;
3199
3200                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3201                                         NULL) && !force)
3202                         proceed_question(proceed_delay);
3203                 check_mount(journal_device, force, _("journal"));
3204
3205                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3206                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3207                                      fs->blocksize, unix_io_manager, &jfs);
3208                 if (retval) {
3209                         com_err(program_name, retval,
3210                                 _("while trying to open journal device %s\n"),
3211                                 journal_device);
3212                         exit(1);
3213                 }
3214                 if (!quiet) {
3215                         printf(_("Adding journal to device %s: "),
3216                                journal_device);
3217                         fflush(stdout);
3218                 }
3219                 retval = ext2fs_add_journal_device(fs, jfs);
3220                 if(retval) {
3221                         com_err (program_name, retval,
3222                                  _("\n\twhile trying to add journal to device %s"),
3223                                  journal_device);
3224                         exit(1);
3225                 }
3226                 if (!quiet)
3227                         printf("%s", _("done\n"));
3228                 ext2fs_close_free(&jfs);
3229                 free(journal_device);
3230         } else if ((journal_size) ||
3231                    ext2fs_has_feature_journal(&fs_param)) {
3232                 if (super_only) {
3233                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3234                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3235                         goto no_journal;
3236                 }
3237
3238                 if (!journal_blocks) {
3239                         ext2fs_clear_feature_journal(fs->super);
3240                         goto no_journal;
3241                 }
3242                 if (!quiet) {
3243                         printf(_("Creating journal (%u blocks): "),
3244                                journal_blocks);
3245                         fflush(stdout);
3246                 }
3247                 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3248                                                    journal_location,
3249                                                    journal_flags);
3250                 if (retval) {
3251                         com_err(program_name, retval, "%s",
3252                                 _("\n\twhile trying to create journal"));
3253                         exit(1);
3254                 }
3255                 if (!quiet)
3256                         printf("%s", _("done\n"));
3257         }
3258 no_journal:
3259         if (!super_only &&
3260             ext2fs_has_feature_mmp(fs->super)) {
3261                 retval = ext2fs_mmp_init(fs);
3262                 if (retval) {
3263                         fprintf(stderr, "%s",
3264                                 _("\nError while enabling multiple "
3265                                   "mount protection feature."));
3266                         exit(1);
3267                 }
3268                 if (!quiet)
3269                         printf(_("Multiple mount protection is enabled "
3270                                  "with update interval %d seconds.\n"),
3271                                fs->super->s_mmp_update_interval);
3272         }
3273
3274         if (ext2fs_has_feature_bigalloc(&fs_param))
3275                 fix_cluster_bg_counts(fs);
3276         if (ext2fs_has_feature_quota(&fs_param))
3277                 create_quota_inodes(fs);
3278
3279         retval = mk_hugefiles(fs, device_name);
3280         if (retval)
3281                 com_err(program_name, retval, "while creating huge files");
3282         /* Copy files from the specified directory */
3283         if (src_root_dir) {
3284                 if (!quiet)
3285                         printf("%s", _("Copying files into the device: "));
3286
3287                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3288                                      EXT2_ROOT_INO);
3289                 if (retval) {
3290                         com_err(program_name, retval, "%s",
3291                                 _("while populating file system"));
3292                         exit(1);
3293                 } else if (!quiet)
3294                         printf("%s", _("done\n"));
3295         }
3296
3297         if (!quiet)
3298                 printf("%s", _("Writing superblocks and "
3299                        "filesystem accounting information: "));
3300         checkinterval = fs->super->s_checkinterval;
3301         max_mnt_count = fs->super->s_max_mnt_count;
3302         retval = ext2fs_close_free(&fs);
3303         if (retval) {
3304                 com_err(program_name, retval, "%s",
3305                         _("while writing out and closing file system"));
3306                 retval = 1;
3307         } else if (!quiet) {
3308                 printf("%s", _("done\n\n"));
3309                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3310                         print_check_message(max_mnt_count, checkinterval);
3311         }
3312
3313         remove_error_table(&et_ext2_error_table);
3314         remove_error_table(&et_prof_error_table);
3315         profile_release(profile);
3316         for (i=0; fs_types[i]; i++)
3317                 free(fs_types[i]);
3318         free(fs_types);
3319         return retval;
3320 }