misc/mke2fs.c

   1 /*
   2  * mke2fs.c - Make a ext2fs filesystem.
   3  *
   4  * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   5  *      2003, 2004, 2005 by Theodore Ts'o.
   6  *
   7  * %Begin-Header%
   8  * This file may be redistributed under the terms of the GNU Public
   9  * License.
  10  * %End-Header%
  11  */
  12
  13 /* Usage: mke2fs [options] device
  14  *
  15  * The device may be a block device or a image of one, but this isn't
  16  * enforced (but it's not much fun on a character device :-).
  17  */
  18
  19 #define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX in Solaris */
  20
  21 #include "config.h"
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <strings.h>
  25 #include <fcntl.h>
  26 #include <ctype.h>
  27 #include <time.h>
  28 #ifdef __linux__
  29 #include <sys/utsname.h>
  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_MNTENT_H
  47 #include <mntent.h>
  48 #endif
  49 #include <sys/ioctl.h>
  50 #include <sys/types.h>
  51 #include <sys/stat.h>
  52 #include <libgen.h>
  53 #include <limits.h>
  54 #include <blkid/blkid.h>
  55
  56 #include "ext2fs/ext2_fs.h"
  57 #include "ext2fs/ext2fsP.h"
  58 #include "et/com_err.h"
  59 #include "uuid/uuid.h"
  60 #include "e2p/e2p.h"
  61 #include "ext2fs/ext2fs.h"
  62 #include "util.h"
  63 #include "profile.h"
  64 #include "prof_err.h"
  65 #include "../version.h"
  66 #include "nls-enable.h"
  67 #include "quota/mkquota.h"
  68
  69 #define STRIDE_LENGTH 8
  70
  71 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
  72
  73 #ifndef __sparc__
  74 #define ZAP_BOOTBLOCK
  75 #endif
  76
  77 #define DISCARD_STEP_MB         (2048)
  78
  79 extern int isatty(int);
  80 extern FILE *fpopen(const char *cmd, const char *mode);
  81
  82 const char * program_name = "mke2fs";
  83 const char * device_name /* = NULL */;
  84
  85 /* Command line options */
  86 int     cflag;
  87 int     verbose;
  88 int     quiet;
  89 int     super_only;
  90 int     discard = 1;    /* attempt to discard device before fs creation */
  91 int     force;
  92 int     noaction;
  93 int     journal_size;
  94 int     journal_flags;
  95 int     lazy_itable_init;
  96 char    *bad_blocks_filename;
  97 __u32   fs_stride;
  98
  99 struct ext2_super_block fs_param;
 100 char *fs_uuid = NULL;
 101 char *creator_os;
 102 char *volume_label;
 103 char *mount_dir;
 104 char *journal_device;
 105 int sync_kludge;        /* Set using the MKE2FS_SYNC env. option */
 106 char **fs_types;
 107
 108 profile_t       profile;
 109
 110 int sys_page_size = 4096;
 111 int linux_version_code = 0;
 112
 113 static void usage(void)
 114 {
 115         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 116         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 117         "[-J journal-options]\n"
 118         "\t[-G meta group size] [-N number-of-inodes]\n"
 119         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 120         "\t[-g blocks-per-group] [-L volume-label] "
 121         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 122         "[-r fs-revision] [-E extended-option[,...]]\n"
 123         "\t[-T fs-type] [-U UUID] [-jnqvFKSV] device [blocks-count]\n"),
 124                 program_name);
 125         exit(1);
 126 }
 127
 128 static int int_log2(unsigned long long arg)
 129 {
 130         int     l = 0;
 131
 132         arg >>= 1;
 133         while (arg) {
 134                 l++;
 135                 arg >>= 1;
 136         }
 137         return l;
 138 }
 139
 140 static int int_log10(unsigned long long arg)
 141 {
 142         int     l;
 143
 144         for (l=0; arg ; l++)
 145                 arg = arg / 10;
 146         return l;
 147 }
 148
 149 static int parse_version_number(const char *s)
 150 {
 151         int     major, minor, rev;
 152         char    *endptr;
 153         const char *cp = s;
 154
 155         if (!s)
 156                 return 0;
 157         major = strtol(cp, &endptr, 10);
 158         if (cp == endptr || *endptr != '.')
 159                 return 0;
 160         cp = endptr + 1;
 161         minor = strtol(cp, &endptr, 10);
 162         if (cp == endptr || *endptr != '.')
 163                 return 0;
 164         cp = endptr + 1;
 165         rev = strtol(cp, &endptr, 10);
 166         if (cp == endptr)
 167                 return 0;
 168         return ((((major * 256) + minor) * 256) + rev);
 169 }
 170
 171 /*
 172  * Helper function for read_bb_file and test_disk
 173  */
 174 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 175 {
 176         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 177         return;
 178 }
 179
 180 /*
 181  * Reads the bad blocks list from a file
 182  */
 183 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 184                          const char *bad_blocks_file)
 185 {
 186         FILE            *f;
 187         errcode_t       retval;
 188
 189         f = fopen(bad_blocks_file, "r");
 190         if (!f) {
 191                 com_err("read_bad_blocks_file", errno,
 192                         _("while trying to open %s"), bad_blocks_file);
 193                 exit(1);
 194         }
 195         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 196         fclose (f);
 197         if (retval) {
 198                 com_err("ext2fs_read_bb_FILE", retval,
 199                         _("while reading in list of bad blocks from file"));
 200                 exit(1);
 201         }
 202 }
 203
 204 /*
 205  * Runs the badblocks program to test the disk
 206  */
 207 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 208 {
 209         FILE            *f;
 210         errcode_t       retval;
 211         char            buf[1024];
 212
 213         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 214                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 215                 fs->device_name, ext2fs_blocks_count(fs->super)-1);
 216         if (verbose)
 217                 printf(_("Running command: %s\n"), buf);
 218         f = popen(buf, "r");
 219         if (!f) {
 220                 com_err("popen", errno,
 221                         _("while trying to run '%s'"), buf);
 222                 exit(1);
 223         }
 224         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 225         pclose(f);
 226         if (retval) {
 227                 com_err("ext2fs_read_bb_FILE", retval,
 228                         _("while processing list of bad blocks from program"));
 229                 exit(1);
 230         }
 231 }
 232
 233 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 234 {
 235         dgrp_t                  i;
 236         blk_t                   j;
 237         unsigned                must_be_good;
 238         blk_t                   blk;
 239         badblocks_iterate       bb_iter;
 240         errcode_t               retval;
 241         blk_t                   group_block;
 242         int                     group;
 243         int                     group_bad;
 244
 245         if (!bb_list)
 246                 return;
 247
 248         /*
 249          * The primary superblock and group descriptors *must* be
 250          * good; if not, abort.
 251          */
 252         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 253         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 254                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 255                         fprintf(stderr, _("Block %d in primary "
 256                                 "superblock/group descriptor area bad.\n"), i);
 257                         fprintf(stderr, _("Blocks %u through %u must be good "
 258                                 "in order to build a filesystem.\n"),
 259                                 fs->super->s_first_data_block, must_be_good);
 260                         fputs(_("Aborting....\n"), stderr);
 261                         exit(1);
 262                 }
 263         }
 264
 265         /*
 266          * See if any of the bad blocks are showing up in the backup
 267          * superblocks and/or group descriptors.  If so, issue a
 268          * warning and adjust the block counts appropriately.
 269          */
 270         group_block = fs->super->s_first_data_block +
 271                 fs->super->s_blocks_per_group;
 272
 273         for (i = 1; i < fs->group_desc_count; i++) {
 274                 group_bad = 0;
 275                 for (j=0; j < fs->desc_blocks+1; j++) {
 276                         if (ext2fs_badblocks_list_test(bb_list,
 277                                                        group_block + j)) {
 278                                 if (!group_bad)
 279                                         fprintf(stderr,
 280 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 281 "       bad blocks.\n\n"),
 282                                                 group_block);
 283                                 group_bad++;
 284                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 285                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 286                                 ext2fs_group_desc_csum_set(fs, group);
 287                                 ext2fs_free_blocks_count_add(fs->super, 1);
 288                         }
 289                 }
 290                 group_block += fs->super->s_blocks_per_group;
 291         }
 292
 293         /*
 294          * Mark all the bad blocks as used...
 295          */
 296         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 297         if (retval) {
 298                 com_err("ext2fs_badblocks_list_iterate_begin", retval,
 299                         _("while marking bad blocks as used"));
 300                 exit(1);
 301         }
 302         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 303                 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
 304         ext2fs_badblocks_list_iterate_end(bb_iter);
 305 }
 306
 307 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 308 {
 309         errcode_t       retval;
 310         blk64_t         blk;
 311         dgrp_t          i;
 312         int             num;
 313         struct ext2fs_numeric_progress_struct progress;
 314
 315         ext2fs_numeric_progress_init(fs, &progress,
 316                                      _("Writing inode tables: "),
 317                                      fs->group_desc_count);
 318
 319         for (i = 0; i < fs->group_desc_count; i++) {
 320                 ext2fs_numeric_progress_update(fs, &progress, i);
 321
 322                 blk = ext2fs_inode_table_loc(fs, i);
 323                 num = fs->inode_blocks_per_group;
 324
 325                 if (lazy_flag)
 326                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 327                                                ext2fs_bg_itable_unused(fs, i)) *
 328                                               EXT2_INODE_SIZE(fs->super),
 329                                               EXT2_BLOCK_SIZE(fs->super));
 330                 if (!lazy_flag || itable_zeroed) {
 331                         /* The kernel doesn't need to zero the itable blocks */
 332                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 333                         ext2fs_group_desc_csum_set(fs, i);
 334                 }
 335                 retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
 336                 if (retval) {
 337                         fprintf(stderr, _("\nCould not write %d "
 338                                   "blocks in inode table starting at %llu: %s\n"),
 339                                 num, blk, error_message(retval));
 340                         exit(1);
 341                 }
 342                 if (sync_kludge) {
 343                         if (sync_kludge == 1)
 344                                 sync();
 345                         else if ((i % sync_kludge) == 0)
 346                                 sync();
 347                 }
 348         }
 349         ext2fs_zero_blocks2(0, 0, 0, 0, 0);
 350         ext2fs_numeric_progress_close(fs, &progress,
 351                                       _("done                            \n"));
 352 }
 353
 354 static void create_root_dir(ext2_filsys fs)
 355 {
 356         errcode_t               retval;
 357         struct ext2_inode       inode;
 358         __u32                   uid, gid;
 359
 360         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 361         if (retval) {
 362                 com_err("ext2fs_mkdir", retval, _("while creating root dir"));
 363                 exit(1);
 364         }
 365         if (geteuid()) {
 366                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 367                 if (retval) {
 368                         com_err("ext2fs_read_inode", retval,
 369                                 _("while reading root inode"));
 370                         exit(1);
 371                 }
 372                 uid = getuid();
 373                 inode.i_uid = uid;
 374                 ext2fs_set_i_uid_high(inode, uid >> 16);
 375                 if (uid) {
 376                         gid = getgid();
 377                         inode.i_gid = gid;
 378                         ext2fs_set_i_gid_high(inode, gid >> 16);
 379                 }
 380                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 381                 if (retval) {
 382                         com_err("ext2fs_write_inode", retval,
 383                                 _("while setting root inode ownership"));
 384                         exit(1);
 385                 }
 386         }
 387 }
 388
 389 static void create_lost_and_found(ext2_filsys fs)
 390 {
 391         unsigned int            lpf_size = 0;
 392         errcode_t               retval;
 393         ext2_ino_t              ino;
 394         const char              *name = "lost+found";
 395         int                     i;
 396
 397         fs->umask = 077;
 398         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 399         if (retval) {
 400                 com_err("ext2fs_mkdir", retval,
 401                         _("while creating /lost+found"));
 402                 exit(1);
 403         }
 404
 405         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 406         if (retval) {
 407                 com_err("ext2_lookup", retval,
 408                         _("while looking up /lost+found"));
 409                 exit(1);
 410         }
 411
 412         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 413                 /* Ensure that lost+found is at least 2 blocks, so we always
 414                  * test large empty blocks for big-block filesystems.  */
 415                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 416                     lpf_size >= 2 * fs->blocksize)
 417                         break;
 418                 retval = ext2fs_expand_dir(fs, ino);
 419                 if (retval) {
 420                         com_err("ext2fs_expand_dir", retval,
 421                                 _("while expanding /lost+found"));
 422                         exit(1);
 423                 }
 424         }
 425 }
 426
 427 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 428 {
 429         errcode_t       retval;
 430
 431         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 432         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 433         retval = ext2fs_update_bb_inode(fs, bb_list);
 434         if (retval) {
 435                 com_err("ext2fs_update_bb_inode", retval,
 436                         _("while setting bad block inode"));
 437                 exit(1);
 438         }
 439
 440 }
 441
 442 static void reserve_inodes(ext2_filsys fs)
 443 {
 444         ext2_ino_t      i;
 445
 446         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 447                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 448         ext2fs_mark_ib_dirty(fs);
 449 }
 450
 451 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 452 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 453 #define BSD_LABEL_OFFSET        64
 454
 455 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 456 {
 457         char *buf;
 458         int retval;
 459         unsigned int *magic;
 460
 461         buf = malloc(512*nsect);
 462         if (!buf) {
 463                 printf(_("Out of memory erasing sectors %d-%d\n"),
 464                        sect, sect + nsect - 1);
 465                 exit(1);
 466         }
 467
 468         if (sect == 0) {
 469                 /* Check for a BSD disklabel, and don't erase it if so */
 470                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 471                 if (retval)
 472                         fprintf(stderr,
 473                                 _("Warning: could not read block 0: %s\n"),
 474                                 error_message(retval));
 475                 else {
 476                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 477                         if ((*magic == BSD_DISKMAGIC) ||
 478                             (*magic == BSD_MAGICDISK))
 479                                 return;
 480                 }
 481         }
 482
 483         memset(buf, 0, 512*nsect);
 484         io_channel_set_blksize(fs->io, 512);
 485         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 486         io_channel_set_blksize(fs->io, fs->blocksize);
 487         free(buf);
 488         if (retval)
 489                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 490                         sect, error_message(retval));
 491 }
 492
 493 static void create_journal_dev(ext2_filsys fs)
 494 {
 495         struct ext2fs_numeric_progress_struct progress;
 496         errcode_t               retval;
 497         char                    *buf;
 498         blk64_t                 blk, err_blk;
 499         int                     c, count, err_count;
 500
 501         retval = ext2fs_create_journal_superblock(fs,
 502                                   ext2fs_blocks_count(fs->super), 0, &buf);
 503         if (retval) {
 504                 com_err("create_journal_dev", retval,
 505                         _("while initializing journal superblock"));
 506                 exit(1);
 507         }
 508
 509         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 510                 goto write_superblock;
 511
 512         ext2fs_numeric_progress_init(fs, &progress,
 513                                      _("Zeroing journal device: "),
 514                                      ext2fs_blocks_count(fs->super));
 515         blk = 0;
 516         count = ext2fs_blocks_count(fs->super);
 517         while (count > 0) {
 518                 if (count > 1024)
 519                         c = 1024;
 520                 else
 521                         c = count;
 522                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 523                 if (retval) {
 524                         com_err("create_journal_dev", retval,
 525                                 _("while zeroing journal device "
 526                                   "(block %llu, count %d)"),
 527                                 err_blk, err_count);
 528                         exit(1);
 529                 }
 530                 blk += c;
 531                 count -= c;
 532                 ext2fs_numeric_progress_update(fs, &progress, blk);
 533         }
 534         ext2fs_zero_blocks2(0, 0, 0, 0, 0);
 535
 536         ext2fs_numeric_progress_close(fs, &progress, NULL);
 537 write_superblock:
 538         retval = io_channel_write_blk64(fs->io,
 539                                         fs->super->s_first_data_block+1,
 540                                         1, buf);
 541         if (retval) {
 542                 com_err("create_journal_dev", retval,
 543                         _("while writing journal superblock"));
 544                 exit(1);
 545         }
 546 }
 547
 548 static void show_stats(ext2_filsys fs)
 549 {
 550         struct ext2_super_block *s = fs->super;
 551         char                    buf[80];
 552         char                    *os;
 553         blk64_t                 group_block;
 554         dgrp_t                  i;
 555         int                     need, col_left;
 556
 557         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 558                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 559                        ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
 560
 561         memset(buf, 0, sizeof(buf));
 562         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 563         printf(_("Filesystem label=%s\n"), buf);
 564         os = e2p_os2string(fs->super->s_creator_os);
 565         if (os)
 566                 printf(_("OS type: %s\n"), os);
 567         free(os);
 568         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 569                 s->s_log_block_size);
 570         if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
 571                                        EXT4_FEATURE_RO_COMPAT_BIGALLOC))
 572                 printf(_("Cluster size=%u (log=%u)\n"),
 573                        fs->blocksize << fs->cluster_ratio_bits,
 574                        s->s_log_cluster_size);
 575         else
 576                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 577                        s->s_log_cluster_size);
 578         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 579                s->s_raid_stride, s->s_raid_stripe_width);
 580         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 581                ext2fs_blocks_count(s));
 582         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 583                 ext2fs_r_blocks_count(s),
 584                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 585         printf(_("First data block=%u\n"), s->s_first_data_block);
 586         if (s->s_reserved_gdt_blocks)
 587                 printf(_("Maximum filesystem blocks=%lu\n"),
 588                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 589                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 590         if (fs->group_desc_count > 1)
 591                 printf(_("%u block groups\n"), fs->group_desc_count);
 592         else
 593                 printf(_("%u block group\n"), fs->group_desc_count);
 594         if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
 595                                        EXT4_FEATURE_RO_COMPAT_BIGALLOC))
 596                 printf(_("%u blocks per group, %u clusters per group\n"),
 597                        s->s_blocks_per_group, s->s_clusters_per_group);
 598         else
 599                 printf(_("%u blocks per group, %u fragments per group\n"),
 600                        s->s_blocks_per_group, s->s_clusters_per_group);
 601         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 602
 603         if (fs->group_desc_count == 1) {
 604                 printf("\n");
 605                 return;
 606         }
 607
 608         printf(_("Superblock backups stored on blocks: "));
 609         group_block = s->s_first_data_block;
 610         col_left = 0;
 611         for (i = 1; i < fs->group_desc_count; i++) {
 612                 group_block += s->s_blocks_per_group;
 613                 if (!ext2fs_bg_has_super(fs, i))
 614                         continue;
 615                 if (i != 1)
 616                         printf(", ");
 617                 need = int_log10(group_block) + 2;
 618                 if (need > col_left) {
 619                         printf("\n\t");
 620                         col_left = 72;
 621                 }
 622                 col_left -= need;
 623                 printf("%llu", group_block);
 624         }
 625         printf("\n\n");
 626 }
 627
 628 /*
 629  * Set the S_CREATOR_OS field.  Return true if OS is known,
 630  * otherwise, 0.
 631  */
 632 static int set_os(struct ext2_super_block *sb, char *os)
 633 {
 634         if (isdigit (*os))
 635                 sb->s_creator_os = atoi (os);
 636         else if (strcasecmp(os, "linux") == 0)
 637                 sb->s_creator_os = EXT2_OS_LINUX;
 638         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 639                 sb->s_creator_os = EXT2_OS_HURD;
 640         else if (strcasecmp(os, "freebsd") == 0)
 641                 sb->s_creator_os = EXT2_OS_FREEBSD;
 642         else if (strcasecmp(os, "lites") == 0)
 643                 sb->s_creator_os = EXT2_OS_LITES;
 644         else
 645                 return 0;
 646         return 1;
 647 }
 648
 649 #define PATH_SET "PATH=/sbin"
 650
 651 static void parse_extended_opts(struct ext2_super_block *param,
 652                                 const char *opts)
 653 {
 654         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 655         int     len;
 656         int     r_usage = 0;
 657
 658         len = strlen(opts);
 659         buf = malloc(len+1);
 660         if (!buf) {
 661                 fprintf(stderr,
 662                         _("Couldn't allocate memory to parse options!\n"));
 663                 exit(1);
 664         }
 665         strcpy(buf, opts);
 666         for (token = buf; token && *token; token = next) {
 667                 p = strchr(token, ',');
 668                 next = 0;
 669                 if (p) {
 670                         *p = 0;
 671                         next = p+1;
 672                 }
 673                 arg = strchr(token, '=');
 674                 if (arg) {
 675                         *arg = 0;
 676                         arg++;
 677                 }
 678                 if (strcmp(token, "mmp_update_interval") == 0) {
 679                         if (!arg) {
 680                                 r_usage++;
 681                                 badopt = token;
 682                                 continue;
 683                         }
 684                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 685                         if (*p) {
 686                                 fprintf(stderr,
 687                                         _("Invalid mmp_update_interval: %s\n"),
 688                                         arg);
 689                                 r_usage++;
 690                                 continue;
 691                         }
 692                 } else if (strcmp(token, "stride") == 0) {
 693                         if (!arg) {
 694                                 r_usage++;
 695                                 badopt = token;
 696                                 continue;
 697                         }
 698                         param->s_raid_stride = strtoul(arg, &p, 0);
 699                         if (*p) {
 700                                 fprintf(stderr,
 701                                         _("Invalid stride parameter: %s\n"),
 702                                         arg);
 703                                 r_usage++;
 704                                 continue;
 705                         }
 706                 } else if (strcmp(token, "stripe-width") == 0 ||
 707                            strcmp(token, "stripe_width") == 0) {
 708                         if (!arg) {
 709                                 r_usage++;
 710                                 badopt = token;
 711                                 continue;
 712                         }
 713                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 714                         if (*p) {
 715                                 fprintf(stderr,
 716                                         _("Invalid stripe-width parameter: %s\n"),
 717                                         arg);
 718                                 r_usage++;
 719                                 continue;
 720                         }
 721                 } else if (!strcmp(token, "resize")) {
 722                         blk64_t resize;
 723                         unsigned long bpg, rsv_groups;
 724                         unsigned long group_desc_count, desc_blocks;
 725                         unsigned int gdpb, blocksize;
 726                         int rsv_gdb;
 727
 728                         if (!arg) {
 729                                 r_usage++;
 730                                 badopt = token;
 731                                 continue;
 732                         }
 733
 734                         resize = parse_num_blocks2(arg,
 735                                                    param->s_log_block_size);
 736
 737                         if (resize == 0) {
 738                                 fprintf(stderr,
 739                                         _("Invalid resize parameter: %s\n"),
 740                                         arg);
 741                                 r_usage++;
 742                                 continue;
 743                         }
 744                         if (resize <= ext2fs_blocks_count(param)) {
 745                                 fprintf(stderr,
 746                                         _("The resize maximum must be greater "
 747                                           "than the filesystem size.\n"));
 748                                 r_usage++;
 749                                 continue;
 750                         }
 751
 752                         blocksize = EXT2_BLOCK_SIZE(param);
 753                         bpg = param->s_blocks_per_group;
 754                         if (!bpg)
 755                                 bpg = blocksize * 8;
 756                         gdpb = EXT2_DESC_PER_BLOCK(param);
 757                         group_desc_count = (__u32) ext2fs_div64_ceil(
 758                                 ext2fs_blocks_count(param), bpg);
 759                         desc_blocks = (group_desc_count +
 760                                        gdpb - 1) / gdpb;
 761                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 762                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 763                                 desc_blocks;
 764                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 765                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 766
 767                         if (rsv_gdb > 0) {
 768                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 769                                         fprintf(stderr,
 770         _("On-line resizing not supported with revision 0 filesystems\n"));
 771                                         free(buf);
 772                                         exit(1);
 773                                 }
 774                                 param->s_feature_compat |=
 775                                         EXT2_FEATURE_COMPAT_RESIZE_INODE;
 776
 777                                 param->s_reserved_gdt_blocks = rsv_gdb;
 778                         }
 779                 } else if (!strcmp(token, "test_fs")) {
 780                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 781                 } else if (!strcmp(token, "lazy_itable_init")) {
 782                         if (arg)
 783                                 lazy_itable_init = strtoul(arg, &p, 0);
 784                         else
 785                                 lazy_itable_init = 1;
 786                 } else if (!strcmp(token, "lazy_journal_init")) {
 787                         if (arg)
 788                                 journal_flags |= strtoul(arg, &p, 0) ?
 789                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
 790                         else
 791                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
 792                 } else if (!strcmp(token, "discard")) {
 793                         discard = 1;
 794                 } else if (!strcmp(token, "nodiscard")) {
 795                         discard = 0;
 796                 } else {
 797                         r_usage++;
 798                         badopt = token;
 799                 }
 800         }
 801         if (r_usage) {
 802                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
 803                         "Extended options are separated by commas, "
 804                         "and may take an argument which\n"
 805                         "\tis set off by an equals ('=') sign.\n\n"
 806                         "Valid extended options are:\n"
 807                         "\tstride=<RAID per-disk data chunk in blocks>\n"
 808                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
 809                         "\tresize=<resize maximum size in blocks>\n"
 810                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
 811                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
 812                         "\ttest_fs\n"
 813                         "\tdiscard\n"
 814                         "\tnodiscard\n\n"),
 815                         badopt ? badopt : "");
 816                 free(buf);
 817                 exit(1);
 818         }
 819         if (param->s_raid_stride &&
 820             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
 821                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
 822                                   "multiple of stride %u.\n\n"),
 823                         param->s_raid_stripe_width, param->s_raid_stride);
 824
 825         free(buf);
 826 }
 827
 828 static __u32 ok_features[3] = {
 829         /* Compat */
 830         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
 831                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
 832                 EXT2_FEATURE_COMPAT_DIR_INDEX |
 833                 EXT2_FEATURE_COMPAT_EXT_ATTR,
 834         /* Incompat */
 835         EXT2_FEATURE_INCOMPAT_FILETYPE|
 836                 EXT3_FEATURE_INCOMPAT_EXTENTS|
 837                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
 838                 EXT2_FEATURE_INCOMPAT_META_BG|
 839                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
 840                 EXT4_FEATURE_INCOMPAT_MMP |
 841                 EXT4_FEATURE_INCOMPAT_64BIT,
 842         /* R/O compat */
 843         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
 844                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
 845                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
 846                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
 847                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
 848                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
 849                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
 850                 EXT4_FEATURE_RO_COMPAT_QUOTA
 851 };
 852
 853
 854 static void syntax_err_report(const char *filename, long err, int line_num)
 855 {
 856         fprintf(stderr,
 857                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
 858                 filename, line_num, error_message(err));
 859         exit(1);
 860 }
 861
 862 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
 863
 864 static void edit_feature(const char *str, __u32 *compat_array)
 865 {
 866         if (!str)
 867                 return;
 868
 869         if (e2p_edit_feature(str, compat_array, ok_features)) {
 870                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
 871                         str);
 872                 exit(1);
 873         }
 874 }
 875
 876 static void edit_mntopts(const char *str, __u32 *mntopts)
 877 {
 878         if (!str)
 879                 return;
 880
 881         if (e2p_edit_mntopts(str, mntopts, ~0)) {
 882                 fprintf(stderr, _("Invalid mount option set: %s\n"),
 883                         str);
 884                 exit(1);
 885         }
 886 }
 887
 888 struct str_list {
 889         char **list;
 890         int num;
 891         int max;
 892 };
 893
 894 static errcode_t init_list(struct str_list *sl)
 895 {
 896         sl->num = 0;
 897         sl->max = 0;
 898         sl->list = malloc((sl->max+1) * sizeof(char *));
 899         if (!sl->list)
 900                 return ENOMEM;
 901         sl->list[0] = 0;
 902         return 0;
 903 }
 904
 905 static errcode_t push_string(struct str_list *sl, const char *str)
 906 {
 907         char **new_list;
 908
 909         if (sl->num >= sl->max) {
 910                 sl->max += 2;
 911                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
 912                 if (!new_list)
 913                         return ENOMEM;
 914                 sl->list = new_list;
 915         }
 916         sl->list[sl->num] = malloc(strlen(str)+1);
 917         if (sl->list[sl->num] == 0)
 918                 return ENOMEM;
 919         strcpy(sl->list[sl->num], str);
 920         sl->num++;
 921         sl->list[sl->num] = 0;
 922         return 0;
 923 }
 924
 925 static void print_str_list(char **list)
 926 {
 927         char **cpp;
 928
 929         for (cpp = list; *cpp; cpp++) {
 930                 printf("'%s'", *cpp);
 931                 if (cpp[1])
 932                         fputs(", ", stdout);
 933         }
 934         fputc('\n', stdout);
 935 }
 936
 937 /*
 938  * Return TRUE if the profile has the given subsection
 939  */
 940 static int profile_has_subsection(profile_t profile, const char *section,
 941                                   const char *subsection)
 942 {
 943         void                    *state;
 944         const char              *names[4];
 945         char                    *name;
 946         int                     ret = 0;
 947
 948         names[0] = section;
 949         names[1] = subsection;
 950         names[2] = 0;
 951
 952         if (profile_iterator_create(profile, names,
 953                                     PROFILE_ITER_LIST_SECTION |
 954                                     PROFILE_ITER_RELATIONS_ONLY, &state))
 955                 return 0;
 956
 957         if ((profile_iterator(&state, &name, 0) == 0) && name) {
 958                 free(name);
 959                 ret = 1;
 960         }
 961
 962         profile_iterator_free(&state);
 963         return ret;
 964 }
 965
 966 static char **parse_fs_type(const char *fs_type,
 967                             const char *usage_types,
 968                             struct ext2_super_block *fs_param,
 969                             blk64_t fs_blocks_count,
 970                             char *progname)
 971 {
 972         const char      *ext_type = 0;
 973         char            *parse_str;
 974         char            *profile_type = 0;
 975         char            *cp, *t;
 976         const char      *size_type;
 977         struct str_list list;
 978         unsigned long long meg;
 979         int             is_hurd = 0;
 980
 981         if (init_list(&list))
 982                 return 0;
 983
 984         if (creator_os && (!strcasecmp(creator_os, "GNU") ||
 985                            !strcasecmp(creator_os, "hurd")))
 986                 is_hurd = 1;
 987
 988         if (fs_type)
 989                 ext_type = fs_type;
 990         else if (is_hurd)
 991                 ext_type = "ext2";
 992         else if (!strcmp(program_name, "mke3fs"))
 993                 ext_type = "ext3";
 994         else if (progname) {
 995                 ext_type = strrchr(progname, '/');
 996                 if (ext_type)
 997                         ext_type++;
 998                 else
 999                         ext_type = progname;
1000
1001                 if (!strncmp(ext_type, "mkfs.", 5)) {
1002                         ext_type += 5;
1003                         if (ext_type[0] == 0)
1004                                 ext_type = 0;
1005                 } else
1006                         ext_type = 0;
1007         }
1008
1009         if (!ext_type) {
1010                 profile_get_string(profile, "defaults", "fs_type", 0,
1011                                    "ext2", &profile_type);
1012                 ext_type = profile_type;
1013                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1014                         ext_type = "ext3";
1015         }
1016
1017
1018         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1019             strcmp(ext_type, "ext2")) {
1020                 printf(_("\nYour mke2fs.conf file does not define the "
1021                          "%s filesystem type.\n"), ext_type);
1022                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1023                     !strcmp(ext_type, "ext4dev")) {
1024                         printf(_("You probably need to install an updated "
1025                                  "mke2fs.conf file.\n\n"));
1026                 }
1027                 if (!force) {
1028                         printf(_("Aborting...\n"));
1029                         exit(1);
1030                 }
1031         }
1032
1033         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param);
1034         if (fs_blocks_count < 3 * meg)
1035                 size_type = "floppy";
1036         else if (fs_blocks_count < 512 * meg)
1037                 size_type = "small";
1038         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1039                 size_type = "default";
1040         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1041                 size_type = "big";
1042         else
1043                 size_type = "huge";
1044
1045         if (!usage_types)
1046                 usage_types = size_type;
1047
1048         parse_str = malloc(strlen(usage_types)+1);
1049         if (!parse_str) {
1050                 free(list.list);
1051                 return 0;
1052         }
1053         strcpy(parse_str, usage_types);
1054
1055         if (ext_type)
1056                 push_string(&list, ext_type);
1057         cp = parse_str;
1058         while (1) {
1059                 t = strchr(cp, ',');
1060                 if (t)
1061                         *t = '\0';
1062
1063                 if (*cp) {
1064                         if (profile_has_subsection(profile, "fs_types", cp))
1065                                 push_string(&list, cp);
1066                         else if (strcmp(cp, "default") != 0)
1067                                 fprintf(stderr,
1068                                         _("\nWarning: the fs_type %s is not "
1069                                           "defined in mke2fs.conf\n\n"),
1070                                         cp);
1071                 }
1072                 if (t)
1073                         cp = t+1;
1074                 else {
1075                         cp = "";
1076                         break;
1077                 }
1078         }
1079         free(parse_str);
1080         free(profile_type);
1081         if (is_hurd)
1082                 push_string(&list, "hurd");
1083         return (list.list);
1084 }
1085
1086 static char *get_string_from_profile(char **fs_types, const char *opt,
1087                                      const char *def_val)
1088 {
1089         char *ret = 0;
1090         int i;
1091
1092         for (i=0; fs_types[i]; i++);
1093         for (i-=1; i >=0 ; i--) {
1094                 profile_get_string(profile, "fs_types", fs_types[i],
1095                                    opt, 0, &ret);
1096                 if (ret)
1097                         return ret;
1098         }
1099         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1100         return (ret);
1101 }
1102
1103 static int get_int_from_profile(char **fs_types, const char *opt, int def_val)
1104 {
1105         int ret;
1106         char **cpp;
1107
1108         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1109         for (cpp = fs_types; *cpp; cpp++)
1110                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1111         return ret;
1112 }
1113
1114 static double get_double_from_profile(char **fs_types, const char *opt,
1115                                       double def_val)
1116 {
1117         double ret;
1118         char **cpp;
1119
1120         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1121         for (cpp = fs_types; *cpp; cpp++)
1122                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1123         return ret;
1124 }
1125
1126 static int get_bool_from_profile(char **fs_types, const char *opt, int def_val)
1127 {
1128         int ret;
1129         char **cpp;
1130
1131         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1132         for (cpp = fs_types; *cpp; cpp++)
1133                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1134         return ret;
1135 }
1136
1137 extern const char *mke2fs_default_profile;
1138 static const char *default_files[] = { "<default>", 0 };
1139
1140 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1141 /*
1142  * Sets the geometry of a device (stripe/stride), and returns the
1143  * device's alignment offset, if any, or a negative error.
1144  */
1145 static int get_device_geometry(const char *file,
1146                                struct ext2_super_block *fs_param,
1147                                int psector_size)
1148 {
1149         int rc = -1;
1150         int blocksize;
1151         blkid_probe pr;
1152         blkid_topology tp;
1153         unsigned long min_io;
1154         unsigned long opt_io;
1155         struct stat statbuf;
1156
1157         /* Nothing to do for a regular file */
1158         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1159                 return 0;
1160
1161         pr = blkid_new_probe_from_filename(file);
1162         if (!pr)
1163                 goto out;
1164
1165         tp = blkid_probe_get_topology(pr);
1166         if (!tp)
1167                 goto out;
1168
1169         min_io = blkid_topology_get_minimum_io_size(tp);
1170         opt_io = blkid_topology_get_optimal_io_size(tp);
1171         blocksize = EXT2_BLOCK_SIZE(fs_param);
1172         if ((min_io == 0) && (psector_size > blocksize))
1173                 min_io = psector_size;
1174         if ((opt_io == 0) && min_io)
1175                 opt_io = min_io;
1176         if ((opt_io == 0) && (psector_size > blocksize))
1177                 opt_io = psector_size;
1178
1179         /* setting stripe/stride to blocksize is pointless */
1180         if (min_io > blocksize)
1181                 fs_param->s_raid_stride = min_io / blocksize;
1182         if (opt_io > blocksize)
1183                 fs_param->s_raid_stripe_width = opt_io / blocksize;
1184
1185         rc = blkid_topology_get_alignment_offset(tp);
1186 out:
1187         blkid_free_probe(pr);
1188         return rc;
1189 }
1190 #endif
1191
1192 static void PRS(int argc, char *argv[])
1193 {
1194         int             b, c;
1195         int             cluster_size = 0;
1196         char            *tmp, **cpp;
1197         int             blocksize = 0;
1198         int             inode_ratio = 0;
1199         int             inode_size = 0;
1200         unsigned long   flex_bg_size = 0;
1201         double          reserved_ratio = -1.0;
1202         int             lsector_size = 0, psector_size = 0;
1203         int             show_version_only = 0;
1204         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1205         errcode_t       retval;
1206         char *          oldpath = getenv("PATH");
1207         char *          extended_opts = 0;
1208         char *          fs_type = 0;
1209         char *          usage_types = 0;
1210         blk64_t         dev_size;
1211         blk64_t         fs_blocks_count = 0;
1212 #ifdef __linux__
1213         struct          utsname ut;
1214 #endif
1215         long            sysval;
1216         int             s_opt = -1, r_opt = -1;
1217         char            *fs_features = 0;
1218         int             use_bsize;
1219         char            *newpath;
1220         int             pathlen = sizeof(PATH_SET) + 1;
1221
1222         if (oldpath)
1223                 pathlen += strlen(oldpath);
1224         newpath = malloc(pathlen);
1225         if (!newpath) {
1226                 fprintf(stderr, _("Couldn't allocate memory for new PATH.\n"));
1227                 exit(1);
1228         }
1229         strcpy(newpath, PATH_SET);
1230
1231         /* Update our PATH to include /sbin  */
1232         if (oldpath) {
1233                 strcat (newpath, ":");
1234                 strcat (newpath, oldpath);
1235         }
1236         putenv (newpath);
1237
1238         tmp = getenv("MKE2FS_SYNC");
1239         if (tmp)
1240                 sync_kludge = atoi(tmp);
1241
1242         /* Determine the system page size if possible */
1243 #ifdef HAVE_SYSCONF
1244 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1245 #define _SC_PAGESIZE _SC_PAGE_SIZE
1246 #endif
1247 #ifdef _SC_PAGESIZE
1248         sysval = sysconf(_SC_PAGESIZE);
1249         if (sysval > 0)
1250                 sys_page_size = sysval;
1251 #endif /* _SC_PAGESIZE */
1252 #endif /* HAVE_SYSCONF */
1253
1254         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1255                 config_fn[0] = tmp;
1256         profile_set_syntax_err_cb(syntax_err_report);
1257         retval = profile_init(config_fn, &profile);
1258         if (retval == ENOENT) {
1259                 retval = profile_init(default_files, &profile);
1260                 if (retval)
1261                         goto profile_error;
1262                 retval = profile_set_default(profile, mke2fs_default_profile);
1263                 if (retval)
1264                         goto profile_error;
1265         } else if (retval) {
1266 profile_error:
1267                 fprintf(stderr, _("Couldn't init profile successfully"
1268                                   " (error: %ld).\n"), retval);
1269                 exit(1);
1270         }
1271
1272         setbuf(stdout, NULL);
1273         setbuf(stderr, NULL);
1274         add_error_table(&et_ext2_error_table);
1275         add_error_table(&et_prof_error_table);
1276         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1277         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1278
1279 #ifdef __linux__
1280         if (uname(&ut)) {
1281                 perror("uname");
1282                 exit(1);
1283         }
1284         linux_version_code = parse_version_number(ut.release);
1285         if (linux_version_code && linux_version_code < (2*65536 + 2*256))
1286                 fs_param.s_rev_level = 0;
1287 #endif
1288
1289         if (argc && *argv) {
1290                 program_name = get_progname(*argv);
1291
1292                 /* If called as mkfs.ext3, create a journal inode */
1293                 if (!strcmp(program_name, "mkfs.ext3") ||
1294                     !strcmp(program_name, "mke3fs"))
1295                         journal_size = -1;
1296         }
1297
1298         while ((c = getopt (argc, argv,
1299                     "b:cg:i:jl:m:no:qr:s:t:vC:E:FG:I:J:KL:M:N:O:R:ST:U:V")) != EOF) {
1300                 switch (c) {
1301                 case 'b':
1302                         blocksize = strtol(optarg, &tmp, 0);
1303                         b = (blocksize > 0) ? blocksize : -blocksize;
1304                         if (b < EXT2_MIN_BLOCK_SIZE ||
1305                             b > EXT2_MAX_BLOCK_SIZE || *tmp) {
1306                                 com_err(program_name, 0,
1307                                         _("invalid block size - %s"), optarg);
1308                                 exit(1);
1309                         }
1310                         if (blocksize > 4096)
1311                                 fprintf(stderr, _("Warning: blocksize %d not "
1312                                                   "usable on most systems.\n"),
1313                                         blocksize);
1314                         if (blocksize > 0)
1315                                 fs_param.s_log_block_size =
1316                                         int_log2(blocksize >>
1317                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1318                         break;
1319                 case 'c':       /* Check for bad blocks */
1320                         cflag++;
1321                         break;
1322                 case 'C':
1323                         cluster_size = strtoul(optarg, &tmp, 0);
1324                         if (cluster_size < EXT2_MIN_CLUSTER_SIZE ||
1325                             cluster_size > EXT2_MAX_CLUSTER_SIZE || *tmp) {
1326                                 com_err(program_name, 0,
1327                                         _("invalid cluster size - %s"),
1328                                         optarg);
1329                                 exit(1);
1330                         }
1331                         break;
1332                 case 'g':
1333                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1334                         if (*tmp) {
1335                                 com_err(program_name, 0,
1336                                         _("Illegal number for blocks per group"));
1337                                 exit(1);
1338                         }
1339                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1340                                 com_err(program_name, 0,
1341                                 _("blocks per group must be multiple of 8"));
1342                                 exit(1);
1343                         }
1344                         break;
1345                 case 'G':
1346                         flex_bg_size = strtoul(optarg, &tmp, 0);
1347                         if (*tmp) {
1348                                 com_err(program_name, 0,
1349                                         _("Illegal number for flex_bg size"));
1350                                 exit(1);
1351                         }
1352                         if (flex_bg_size < 1 ||
1353                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1354                                 com_err(program_name, 0,
1355                                         _("flex_bg size must be a power of 2"));
1356                                 exit(1);
1357                         }
1358                         break;
1359                 case 'i':
1360                         inode_ratio = strtoul(optarg, &tmp, 0);
1361                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1362                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
1363                             *tmp) {
1364                                 com_err(program_name, 0,
1365                                         _("invalid inode ratio %s (min %d/max %d)"),
1366                                         optarg, EXT2_MIN_BLOCK_SIZE,
1367                                         EXT2_MAX_BLOCK_SIZE * 1024);
1368                                 exit(1);
1369                         }
1370                         break;
1371                 case 'J':
1372                         parse_journal_opts(optarg);
1373                         break;
1374                 case 'K':
1375                         fprintf(stderr, _("Warning: -K option is deprecated and "
1376                                           "should not be used anymore. Use "
1377                                           "\'-E nodiscard\' extended option "
1378                                           "instead!\n"));
1379                         discard = 0;
1380                         break;
1381                 case 'j':
1382                         if (!journal_size)
1383                                 journal_size = -1;
1384                         break;
1385                 case 'l':
1386                         bad_blocks_filename = malloc(strlen(optarg)+1);
1387                         if (!bad_blocks_filename) {
1388                                 com_err(program_name, ENOMEM,
1389                                         _("in malloc for bad_blocks_filename"));
1390                                 exit(1);
1391                         }
1392                         strcpy(bad_blocks_filename, optarg);
1393                         break;
1394                 case 'm':
1395                         reserved_ratio = strtod(optarg, &tmp);
1396                         if ( *tmp || reserved_ratio > 50 ||
1397                              reserved_ratio < 0) {
1398                                 com_err(program_name, 0,
1399                                         _("invalid reserved blocks percent - %s"),
1400                                         optarg);
1401                                 exit(1);
1402                         }
1403                         break;
1404                 case 'n':
1405                         noaction++;
1406                         break;
1407                 case 'o':
1408                         creator_os = optarg;
1409                         break;
1410                 case 'q':
1411                         quiet = 1;
1412                         break;
1413                 case 'r':
1414                         r_opt = strtoul(optarg, &tmp, 0);
1415                         if (*tmp) {
1416                                 com_err(program_name, 0,
1417                                         _("bad revision level - %s"), optarg);
1418                                 exit(1);
1419                         }
1420                         fs_param.s_rev_level = r_opt;
1421                         break;
1422                 case 's':       /* deprecated */
1423                         s_opt = atoi(optarg);
1424                         break;
1425                 case 'I':
1426                         inode_size = strtoul(optarg, &tmp, 0);
1427                         if (*tmp) {
1428                                 com_err(program_name, 0,
1429                                         _("invalid inode size - %s"), optarg);
1430                                 exit(1);
1431                         }
1432                         break;
1433                 case 'v':
1434                         verbose = 1;
1435                         break;
1436                 case 'F':
1437                         force++;
1438                         break;
1439                 case 'L':
1440                         volume_label = optarg;
1441                         break;
1442                 case 'M':
1443                         mount_dir = optarg;
1444                         break;
1445                 case 'N':
1446                         num_inodes = strtoul(optarg, &tmp, 0);
1447                         if (*tmp) {
1448                                 com_err(program_name, 0,
1449                                         _("bad num inodes - %s"), optarg);
1450                                         exit(1);
1451                         }
1452                         break;
1453                 case 'O':
1454                         fs_features = optarg;
1455                         break;
1456                 case 'E':
1457                 case 'R':
1458                         extended_opts = optarg;
1459                         break;
1460                 case 'S':
1461                         super_only = 1;
1462                         break;
1463                 case 't':
1464                         if (fs_type) {
1465                                 com_err(program_name, 0,
1466                                     _("The -t option may only be used once"));
1467                                 exit(1);
1468                         }
1469                         fs_type = strdup(optarg);
1470                         break;
1471                 case 'T':
1472                         if (usage_types) {
1473                                 com_err(program_name, 0,
1474                                     _("The -T option may only be used once"));
1475                                 exit(1);
1476                         }
1477                         usage_types = strdup(optarg);
1478                         break;
1479                 case 'U':
1480                         fs_uuid = optarg;
1481                         break;
1482                 case 'V':
1483                         /* Print version number and exit */
1484                         show_version_only++;
1485                         break;
1486                 default:
1487                         usage();
1488                 }
1489         }
1490         if ((optind == argc) && !show_version_only)
1491                 usage();
1492         device_name = argv[optind++];
1493
1494         if (!quiet || show_version_only)
1495                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1496                          E2FSPROGS_DATE);
1497
1498         if (show_version_only) {
1499                 fprintf(stderr, _("\tUsing %s\n"),
1500                         error_message(EXT2_ET_BASE));
1501                 exit(0);
1502         }
1503
1504         /*
1505          * If there's no blocksize specified and there is a journal
1506          * device, use it to figure out the blocksize
1507          */
1508         if (blocksize <= 0 && journal_device) {
1509                 ext2_filsys     jfs;
1510                 io_manager      io_ptr;
1511
1512 #ifdef CONFIG_TESTIO_DEBUG
1513                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1514                         io_ptr = test_io_manager;
1515                         test_io_backing_manager = unix_io_manager;
1516                 } else
1517 #endif
1518                         io_ptr = unix_io_manager;
1519                 retval = ext2fs_open(journal_device,
1520                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1521                                      0, io_ptr, &jfs);
1522                 if (retval) {
1523                         com_err(program_name, retval,
1524                                 _("while trying to open journal device %s\n"),
1525                                 journal_device);
1526                         exit(1);
1527                 }
1528                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1529                         com_err(program_name, 0,
1530                                 _("Journal dev blocksize (%d) smaller than "
1531                                   "minimum blocksize %d\n"), jfs->blocksize,
1532                                 -blocksize);
1533                         exit(1);
1534                 }
1535                 blocksize = jfs->blocksize;
1536                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1537                 fs_param.s_log_block_size =
1538                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1539                 ext2fs_close(jfs);
1540         }
1541
1542         if (optind < argc) {
1543                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1544                                                    fs_param.s_log_block_size);
1545                 if (!fs_blocks_count) {
1546                         com_err(program_name, 0,
1547                                 _("invalid blocks '%s' on device '%s'"),
1548                                 argv[optind - 1], device_name);
1549                         exit(1);
1550                 }
1551         }
1552         if (optind < argc)
1553                 usage();
1554
1555         if (!force)
1556                 check_plausibility(device_name);
1557         check_mount(device_name, force, _("filesystem"));
1558
1559         /* Determine the size of the device (if possible) */
1560         if (noaction && fs_blocks_count) {
1561                 dev_size = fs_blocks_count;
1562                 retval = 0;
1563         } else
1564                 retval = ext2fs_get_device_size2(device_name,
1565                                                  EXT2_BLOCK_SIZE(&fs_param),
1566                                                  &dev_size);
1567
1568         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1569                 com_err(program_name, retval,
1570                         _("while trying to determine filesystem size"));
1571                 exit(1);
1572         }
1573         if (!fs_blocks_count) {
1574                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1575                         com_err(program_name, 0,
1576                                 _("Couldn't determine device size; you "
1577                                 "must specify\nthe size of the "
1578                                 "filesystem\n"));
1579                         exit(1);
1580                 } else {
1581                         if (dev_size == 0) {
1582                                 com_err(program_name, 0,
1583                                 _("Device size reported to be zero.  "
1584                                   "Invalid partition specified, or\n\t"
1585                                   "partition table wasn't reread "
1586                                   "after running fdisk, due to\n\t"
1587                                   "a modified partition being busy "
1588                                   "and in use.  You may need to reboot\n\t"
1589                                   "to re-read your partition table.\n"
1590                                   ));
1591                                 exit(1);
1592                         }
1593                         fs_blocks_count = dev_size;
1594                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1595                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1596                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1597                 }
1598         } else if (!force && (fs_blocks_count > dev_size)) {
1599                 com_err(program_name, 0,
1600                         _("Filesystem larger than apparent device size."));
1601                 proceed_question();
1602         }
1603
1604         if (!fs_type)
1605                 profile_get_string(profile, "devices", device_name,
1606                                    "fs_type", 0, &fs_type);
1607         if (!usage_types)
1608                 profile_get_string(profile, "devices", device_name,
1609                                    "usage_types", 0, &usage_types);
1610
1611         /*
1612          * We have the file system (or device) size, so we can now
1613          * determine the appropriate file system types so the fs can
1614          * be appropriately configured.
1615          */
1616         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1617                                  fs_blocks_count ? fs_blocks_count : dev_size,
1618                                  argv[0]);
1619         if (!fs_types) {
1620                 fprintf(stderr, _("Failed to parse fs types list\n"));
1621                 exit(1);
1622         }
1623
1624         /* Figure out what features should be enabled */
1625
1626         tmp = NULL;
1627         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1628                 tmp = get_string_from_profile(fs_types, "base_features",
1629                       "sparse_super,filetype,resize_inode,dir_index");
1630                 edit_feature(tmp, &fs_param.s_feature_compat);
1631                 free(tmp);
1632
1633                 /* And which mount options as well */
1634                 tmp = get_string_from_profile(fs_types, "default_mntopts",
1635                                               "acl,user_xattr");
1636                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
1637                 if (tmp)
1638                         free(tmp);
1639
1640                 for (cpp = fs_types; *cpp; cpp++) {
1641                         tmp = NULL;
1642                         profile_get_string(profile, "fs_types", *cpp,
1643                                            "features", "", &tmp);
1644                         if (tmp && *tmp)
1645                                 edit_feature(tmp, &fs_param.s_feature_compat);
1646                         if (tmp)
1647                                 free(tmp);
1648                 }
1649                 tmp = get_string_from_profile(fs_types, "default_features",
1650                                               "");
1651         }
1652         edit_feature(fs_features ? fs_features : tmp,
1653                      &fs_param.s_feature_compat);
1654         if (tmp)
1655                 free(tmp);
1656
1657         /*
1658          * We now need to do a sanity check of fs_blocks_count for
1659          * 32-bit vs 64-bit block number support.
1660          */
1661         if ((fs_blocks_count > MAX_32_NUM) && (blocksize == 0)) {
1662                 fs_blocks_count /= 4; /* Try using a 4k blocksize */
1663                 blocksize = 4096;
1664                 fs_param.s_log_block_size = 2;
1665         }
1666         if ((fs_blocks_count > MAX_32_NUM) &&
1667             !(fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) &&
1668             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
1669                 fs_param.s_feature_incompat |= EXT4_FEATURE_INCOMPAT_64BIT;
1670                 fs_param.s_feature_compat &= ~EXT2_FEATURE_COMPAT_RESIZE_INODE;
1671         }
1672         if ((fs_blocks_count > MAX_32_NUM) &&
1673             !(fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT)) {
1674                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
1675                                   "too big to be expressed\n\t"
1676                                   "in 32 bits using a blocksize of %d.\n"),
1677                         program_name, fs_blocks_count, device_name,
1678                         EXT2_BLOCK_SIZE(&fs_param));
1679                 exit(1);
1680         }
1681
1682         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
1683
1684         if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1685                 fs_types[0] = strdup("journal");
1686                 fs_types[1] = 0;
1687         }
1688
1689         if (verbose) {
1690                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
1691                 print_str_list(fs_types);
1692         }
1693
1694         if (r_opt == EXT2_GOOD_OLD_REV &&
1695             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
1696              fs_param.s_feature_ro_compat)) {
1697                 fprintf(stderr, _("Filesystem features not supported "
1698                                   "with revision 0 filesystems\n"));
1699                 exit(1);
1700         }
1701
1702         if (s_opt > 0) {
1703                 if (r_opt == EXT2_GOOD_OLD_REV) {
1704                         fprintf(stderr, _("Sparse superblocks not supported "
1705                                   "with revision 0 filesystems\n"));
1706                         exit(1);
1707                 }
1708                 fs_param.s_feature_ro_compat |=
1709                         EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
1710         } else if (s_opt == 0)
1711                 fs_param.s_feature_ro_compat &=
1712                         ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
1713
1714         if (journal_size != 0) {
1715                 if (r_opt == EXT2_GOOD_OLD_REV) {
1716                         fprintf(stderr, _("Journals not supported "
1717                                   "with revision 0 filesystems\n"));
1718                         exit(1);
1719                 }
1720                 fs_param.s_feature_compat |=
1721                         EXT3_FEATURE_COMPAT_HAS_JOURNAL;
1722         }
1723
1724         /* Get reserved_ratio from profile if not specified on cmd line. */
1725         if (reserved_ratio < 0.0) {
1726                 reserved_ratio = get_double_from_profile(
1727                                         fs_types, "reserved_ratio", 5.0);
1728                 if (reserved_ratio > 50 || reserved_ratio < 0) {
1729                         com_err(program_name, 0,
1730                                 _("invalid reserved blocks percent - %lf"),
1731                                 reserved_ratio);
1732                         exit(1);
1733                 }
1734         }
1735
1736         if (fs_param.s_feature_incompat &
1737             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1738                 reserved_ratio = 0;
1739                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
1740                 fs_param.s_feature_compat = 0;
1741                 fs_param.s_feature_ro_compat = 0;
1742         }
1743
1744         if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
1745             (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) {
1746                 fprintf(stderr, _("The resize_inode and meta_bg features "
1747                                   "are not compatible.\n"
1748                                   "They can not be both enabled "
1749                                   "simultaneously.\n"));
1750                 exit(1);
1751         }
1752
1753         /* Set first meta blockgroup via an environment variable */
1754         /* (this is mostly for debugging purposes) */
1755         if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
1756             ((tmp = getenv("MKE2FS_FIRST_META_BG"))))
1757                 fs_param.s_first_meta_bg = atoi(tmp);
1758
1759         /* Get the hardware sector sizes, if available */
1760         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
1761         if (retval) {
1762                 com_err(program_name, retval,
1763                         _("while trying to determine hardware sector size"));
1764                 exit(1);
1765         }
1766         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
1767         if (retval) {
1768                 com_err(program_name, retval,
1769                         _("while trying to determine physical sector size"));
1770                 exit(1);
1771         }
1772
1773         if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL)
1774                 lsector_size = atoi(tmp);
1775         if ((tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE")) != NULL)
1776                 psector_size = atoi(tmp);
1777
1778         /* Older kernels may not have physical/logical distinction */
1779         if (!psector_size)
1780                 psector_size = lsector_size;
1781
1782         if (blocksize <= 0) {
1783                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
1784
1785                 if (use_bsize == -1) {
1786                         use_bsize = sys_page_size;
1787                         if ((linux_version_code < (2*65536 + 6*256)) &&
1788                             (use_bsize > 4096))
1789                                 use_bsize = 4096;
1790                 }
1791                 if (lsector_size && use_bsize < lsector_size)
1792                         use_bsize = lsector_size;
1793                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
1794                         use_bsize = -blocksize;
1795                 blocksize = use_bsize;
1796                 ext2fs_blocks_count_set(&fs_param,
1797                                         ext2fs_blocks_count(&fs_param) /
1798                                         (blocksize / 1024));
1799         } else {
1800                 if (blocksize < lsector_size) {                 /* Impossible */
1801                         com_err(program_name, EINVAL,
1802                                 _("while setting blocksize; too small "
1803                                   "for device\n"));
1804                         exit(1);
1805                 } else if ((blocksize < psector_size) &&
1806                            (psector_size <= sys_page_size)) {   /* Suboptimal */
1807                         fprintf(stderr, _("Warning: specified blocksize %d is "
1808                                 "less than device physical sectorsize %d\n"),
1809                                 blocksize, psector_size);
1810                 }
1811         }
1812
1813         fs_param.s_log_block_size =
1814                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1815         if (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) {
1816                 if (!cluster_size)
1817                         cluster_size = get_int_from_profile(fs_types,
1818                                                             "cluster_size",
1819                                                             blocksize*16);
1820                 fs_param.s_log_cluster_size =
1821                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
1822         } else
1823                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
1824
1825         if (inode_ratio == 0) {
1826                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
1827                                                    8192);
1828                 if (inode_ratio < blocksize)
1829                         inode_ratio = blocksize;
1830                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
1831                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
1832         }
1833
1834 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1835         retval = get_device_geometry(device_name, &fs_param, psector_size);
1836         if (retval < 0) {
1837                 fprintf(stderr,
1838                         _("warning: Unable to get device geometry for %s\n"),
1839                         device_name);
1840         } else if (retval) {
1841                 printf(_("%s alignment is offset by %lu bytes.\n"),
1842                        device_name, retval);
1843                 printf(_("This may result in very poor performance, "
1844                           "(re)-partitioning suggested.\n"));
1845         }
1846 #endif
1847
1848         blocksize = EXT2_BLOCK_SIZE(&fs_param);
1849
1850         /* This check should happen beyond the last assignment to blocksize */
1851         if (blocksize > sys_page_size) {
1852                 if (!force) {
1853                         com_err(program_name, 0,
1854                                 _("%d-byte blocks too big for system (max %d)"),
1855                                 blocksize, sys_page_size);
1856                         proceed_question();
1857                 }
1858                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
1859                                   "(max %d), forced to continue\n"),
1860                         blocksize, sys_page_size);
1861         }
1862
1863         lazy_itable_init = 0;
1864         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
1865                 lazy_itable_init = 1;
1866
1867         lazy_itable_init = get_bool_from_profile(fs_types,
1868                                                  "lazy_itable_init",
1869                                                  lazy_itable_init);
1870         discard = get_bool_from_profile(fs_types, "discard" , discard);
1871         journal_flags |= get_bool_from_profile(fs_types,
1872                                                "lazy_journal_init", 0) ?
1873                                                EXT2_MKJOURNAL_LAZYINIT : 0;
1874
1875         /* Get options from profile */
1876         for (cpp = fs_types; *cpp; cpp++) {
1877                 tmp = NULL;
1878                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
1879                         if (tmp && *tmp)
1880                                 parse_extended_opts(&fs_param, tmp);
1881                         free(tmp);
1882         }
1883
1884         if (extended_opts)
1885                 parse_extended_opts(&fs_param, extended_opts);
1886
1887         /* Since sparse_super is the default, we would only have a problem
1888          * here if it was explicitly disabled.
1889          */
1890         if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) &&
1891             !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
1892                 com_err(program_name, 0,
1893                         _("reserved online resize blocks not supported "
1894                           "on non-sparse filesystem"));
1895                 exit(1);
1896         }
1897
1898         if (fs_param.s_blocks_per_group) {
1899                 if (fs_param.s_blocks_per_group < 256 ||
1900                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
1901                         com_err(program_name, 0,
1902                                 _("blocks per group count out of range"));
1903                         exit(1);
1904                 }
1905         }
1906
1907         if (inode_size == 0)
1908                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
1909         if (!flex_bg_size && (fs_param.s_feature_incompat &
1910                               EXT4_FEATURE_INCOMPAT_FLEX_BG))
1911                 flex_bg_size = get_int_from_profile(fs_types,
1912                                                     "flex_bg_size", 16);
1913         if (flex_bg_size) {
1914                 if (!(fs_param.s_feature_incompat &
1915                       EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
1916                         com_err(program_name, 0,
1917                                 _("Flex_bg feature not enabled, so "
1918                                   "flex_bg size may not be specified"));
1919                         exit(1);
1920                 }
1921                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
1922         }
1923
1924         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
1925                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
1926                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
1927                     inode_size & (inode_size - 1)) {
1928                         com_err(program_name, 0,
1929                                 _("invalid inode size %d (min %d/max %d)"),
1930                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
1931                                 blocksize);
1932                         exit(1);
1933                 }
1934                 fs_param.s_inode_size = inode_size;
1935         }
1936
1937         /* Make sure number of inodes specified will fit in 32 bits */
1938         if (num_inodes == 0) {
1939                 unsigned long long n;
1940                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
1941                 if (n > MAX_32_NUM) {
1942                         if (fs_param.s_feature_incompat &
1943                             EXT4_FEATURE_INCOMPAT_64BIT)
1944                                 num_inodes = MAX_32_NUM;
1945                         else {
1946                                 com_err(program_name, 0,
1947                                         _("too many inodes (%llu), raise "
1948                                           "inode ratio?"), n);
1949                                 exit(1);
1950                         }
1951                 }
1952         } else if (num_inodes > MAX_32_NUM) {
1953                 com_err(program_name, 0,
1954                         _("too many inodes (%llu), specify < 2^32 inodes"),
1955                           num_inodes);
1956                 exit(1);
1957         }
1958         /*
1959          * Calculate number of inodes based on the inode ratio
1960          */
1961         fs_param.s_inodes_count = num_inodes ? num_inodes :
1962                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
1963
1964         if ((((long long)fs_param.s_inodes_count) *
1965              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
1966             ((ext2fs_blocks_count(&fs_param)) *
1967              EXT2_BLOCK_SIZE(&fs_param))) {
1968                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
1969                                           "(%u) too big for a\n\t"
1970                                           "filesystem with %llu blocks, "
1971                                           "specify higher inode_ratio (-i)\n\t"
1972                                           "or lower inode count (-N).\n"),
1973                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
1974                         fs_param.s_inodes_count,
1975                         (unsigned long long) ext2fs_blocks_count(&fs_param));
1976                 exit(1);
1977         }
1978
1979         /*
1980          * Calculate number of blocks to reserve
1981          */
1982         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
1983                                   ext2fs_blocks_count(&fs_param) / 100.0);
1984
1985         free(fs_type);
1986         free(usage_types);
1987 }
1988
1989 static int should_do_undo(const char *name)
1990 {
1991         errcode_t retval;
1992         io_channel channel;
1993         __u16   s_magic;
1994         struct ext2_super_block super;
1995         io_manager manager = unix_io_manager;
1996         int csum_flag, force_undo;
1997
1998         csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
1999                                                EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
2000         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2001         if (!force_undo && (!csum_flag || !lazy_itable_init))
2002                 return 0;
2003
2004         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2005         if (retval) {
2006                 /*
2007                  * We don't handle error cases instead we
2008                  * declare that the file system doesn't exist
2009                  * and let the rest of mke2fs take care of
2010                  * error
2011                  */
2012                 retval = 0;
2013                 goto open_err_out;
2014         }
2015
2016         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2017         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2018         if (retval) {
2019                 retval = 0;
2020                 goto err_out;
2021         }
2022
2023 #if defined(WORDS_BIGENDIAN)
2024         s_magic = ext2fs_swab16(super.s_magic);
2025 #else
2026         s_magic = super.s_magic;
2027 #endif
2028
2029         if (s_magic == EXT2_SUPER_MAGIC)
2030                 retval = 1;
2031
2032 err_out:
2033         io_channel_close(channel);
2034
2035 open_err_out:
2036
2037         return retval;
2038 }
2039
2040 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2041 {
2042         errcode_t retval = ENOMEM;
2043         char *tdb_dir = NULL, *tdb_file = NULL;
2044         char *device_name, *tmp_name;
2045         int free_tdb_dir = 0;
2046
2047         /*
2048          * Configuration via a conf file would be
2049          * nice
2050          */
2051         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2052         if (!tdb_dir) {
2053                 profile_get_string(profile, "defaults",
2054                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2055                                    &tdb_dir);
2056                 free_tdb_dir = 1;
2057         }
2058
2059         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2060             access(tdb_dir, W_OK))
2061                 return 0;
2062
2063         tmp_name = strdup(name);
2064         if (!tmp_name)
2065                 goto errout;
2066         device_name = basename(tmp_name);
2067         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(device_name) + 7 + 1);
2068         if (!tdb_file) {
2069                 free(tmp_name);
2070                 goto errout;
2071         }
2072         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name);
2073         free(tmp_name);
2074
2075         if (!access(tdb_file, F_OK)) {
2076                 if (unlink(tdb_file) < 0) {
2077                         retval = errno;
2078                         goto errout;
2079                 }
2080         }
2081
2082         set_undo_io_backing_manager(*io_ptr);
2083         *io_ptr = undo_io_manager;
2084         retval = set_undo_io_backup_file(tdb_file);
2085         if (retval)
2086                 goto errout;
2087         printf(_("Overwriting existing filesystem; this can be undone "
2088                  "using the command:\n"
2089                  "    e2undo %s %s\n\n"), tdb_file, name);
2090
2091         if (free_tdb_dir)
2092                 free(tdb_dir);
2093         free(tdb_file);
2094         return 0;
2095
2096 errout:
2097         if (free_tdb_dir)
2098                 free(tdb_dir);
2099         free(tdb_file);
2100         com_err(program_name, retval,
2101                 _("while trying to setup undo file\n"));
2102         return retval;
2103 }
2104
2105 static int mke2fs_discard_device(ext2_filsys fs)
2106 {
2107         struct ext2fs_numeric_progress_struct progress;
2108         blk64_t blocks = ext2fs_blocks_count(fs->super);
2109         blk64_t count = DISCARD_STEP_MB;
2110         blk64_t cur;
2111         int retval = 0;
2112
2113         /*
2114          * Let's try if discard really works on the device, so
2115          * we do not print numeric progress resulting in failure
2116          * afterwards.
2117          */
2118         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2119         if (retval)
2120                 return retval;
2121         cur = fs->blocksize;
2122
2123         count *= (1024 * 1024);
2124         count /= fs->blocksize;
2125
2126         ext2fs_numeric_progress_init(fs, &progress,
2127                                      _("Discarding device blocks: "),
2128                                      blocks);
2129         while (cur < blocks) {
2130                 ext2fs_numeric_progress_update(fs, &progress, cur);
2131
2132                 if (cur + count > blocks)
2133                         count = blocks - cur;
2134
2135                 retval = io_channel_discard(fs->io, cur, count);
2136                 if (retval)
2137                         break;
2138                 cur += count;
2139         }
2140
2141         if (retval) {
2142                 ext2fs_numeric_progress_close(fs, &progress,
2143                                       _("failed - "));
2144                 if (!quiet)
2145                         printf("%s\n",error_message(retval));
2146         } else
2147                 ext2fs_numeric_progress_close(fs, &progress,
2148                                       _("done                            \n"));
2149
2150         return retval;
2151 }
2152
2153 static void fix_cluster_bg_counts(ext2_filsys fs)
2154 {
2155         blk64_t cluster, num_clusters, tot_free;
2156         int     grp_free, num_free, group, num;
2157
2158         num_clusters = EXT2FS_B2C(fs, ext2fs_blocks_count(fs->super));
2159         tot_free = num_free = num = group = grp_free = 0;
2160         for (cluster = EXT2FS_B2C(fs, fs->super->s_first_data_block);
2161              cluster < num_clusters; cluster++) {
2162                 if (!ext2fs_test_block_bitmap2(fs->block_map,
2163                                                EXT2FS_C2B(fs, cluster))) {
2164                         grp_free++;
2165                         tot_free++;
2166                 }
2167                 num++;
2168                 if ((num == fs->super->s_clusters_per_group) ||
2169                     (cluster == num_clusters-1)) {
2170                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2171                         ext2fs_group_desc_csum_set(fs, group);
2172                         num = 0;
2173                         grp_free = 0;
2174                         group++;
2175                 }
2176         }
2177         ext2fs_free_blocks_count_set(fs->super, EXT2FS_C2B(fs, tot_free));
2178 }
2179
2180 static int create_quota_inodes(ext2_filsys fs)
2181 {
2182         quota_ctx_t qctx;
2183
2184         init_quota_context(&qctx, fs, -1);
2185         compute_quota(qctx, -1);
2186         write_quota_inode(qctx, USRQUOTA);
2187         write_quota_inode(qctx, GRPQUOTA);
2188         release_quota_context(&qctx);
2189
2190         return;
2191 }
2192
2193 int main (int argc, char *argv[])
2194 {
2195         errcode_t       retval = 0;
2196         ext2_filsys     fs;
2197         badblocks_list  bb_list = 0;
2198         unsigned int    journal_blocks;
2199         unsigned int    i, checkinterval;
2200         int             max_mnt_count;
2201         int             val, hash_alg;
2202         int             flags;
2203         int             old_bitmaps;
2204         io_manager      io_ptr;
2205         char            tdb_string[40];
2206         char            *hash_alg_str;
2207         int             itable_zeroed = 0;
2208
2209 #ifdef ENABLE_NLS
2210         setlocale(LC_MESSAGES, "");
2211         setlocale(LC_CTYPE, "");
2212         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2213         textdomain(NLS_CAT_NAME);
2214         set_com_err_gettext(gettext);
2215 #endif
2216         PRS(argc, argv);
2217
2218 #ifdef CONFIG_TESTIO_DEBUG
2219         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2220                 io_ptr = test_io_manager;
2221                 test_io_backing_manager = unix_io_manager;
2222         } else
2223 #endif
2224                 io_ptr = unix_io_manager;
2225
2226         if (should_do_undo(device_name)) {
2227                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2228                 if (retval)
2229                         exit(1);
2230         }
2231
2232         /*
2233          * Initialize the superblock....
2234          */
2235         flags = EXT2_FLAG_EXCLUSIVE;
2236         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2237                             &old_bitmaps);
2238         if (!old_bitmaps)
2239                 flags |= EXT2_FLAG_64BITS;
2240         /*
2241          * By default, we print how many inode tables or block groups
2242          * or whatever we've written so far.  The quiet flag disables
2243          * this, along with a lot of other output.
2244          */
2245         if (!quiet)
2246                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2247         retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs);
2248         if (retval) {
2249                 com_err(device_name, retval, _("while setting up superblock"));
2250                 exit(1);
2251         }
2252
2253         /* Can't undo discard ... */
2254         if (!noaction && discard && (io_ptr != undo_io_manager)) {
2255                 retval = mke2fs_discard_device(fs);
2256                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2257                         if (verbose)
2258                                 printf(_("Discard succeeded and will return 0s "
2259                                          " - skipping inode table wipe\n"));
2260                         lazy_itable_init = 1;
2261                         itable_zeroed = 1;
2262                 }
2263         }
2264
2265         sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2266                 32768 : fs->blocksize * 8);
2267         io_channel_set_options(fs->io, tdb_string);
2268
2269         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2270                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2271
2272         if ((fs_param.s_feature_incompat &
2273              (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) ||
2274             (fs_param.s_feature_ro_compat &
2275              (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
2276               EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
2277               EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE)))
2278                 fs->super->s_kbytes_written = 1;
2279
2280         /*
2281          * Wipe out the old on-disk superblock
2282          */
2283         if (!noaction)
2284                 zap_sector(fs, 2, 6);
2285
2286         /*
2287          * Parse or generate a UUID for the filesystem
2288          */
2289         if (fs_uuid) {
2290                 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) {
2291                         com_err(device_name, 0, "could not parse UUID: %s\n",
2292                                 fs_uuid);
2293                         exit(1);
2294                 }
2295         } else
2296                 uuid_generate(fs->super->s_uuid);
2297
2298         /*
2299          * Initialize the directory index variables
2300          */
2301         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
2302                                                "half_md4");
2303         hash_alg = e2p_string2hash(hash_alg_str);
2304         free(hash_alg_str);
2305         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
2306                 EXT2_HASH_HALF_MD4;
2307         uuid_generate((unsigned char *) fs->super->s_hash_seed);
2308
2309         /*
2310          * Periodic checks can be enabled/disabled via config file.
2311          * Note we override the kernel include file's idea of what the default
2312          * check interval (never) should be.  It's a good idea to check at
2313          * least *occasionally*, specially since servers will never rarely get
2314          * to reboot, since Linux is so robust these days.  :-)
2315          *
2316          * 180 days (six months) seems like a good value.
2317          */
2318 #ifdef EXT2_DFL_CHECKINTERVAL
2319 #undef EXT2_DFL_CHECKINTERVAL
2320 #endif
2321 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
2322
2323         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
2324                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
2325                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
2326                 /*
2327                  * Add "jitter" to the superblock's check interval so that we
2328                  * don't check all the filesystems at the same time.  We use a
2329                  * kludgy hack of using the UUID to derive a random jitter value
2330                  */
2331                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
2332                         val += fs->super->s_uuid[i];
2333                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
2334         } else
2335                 fs->super->s_max_mnt_count = -1;
2336
2337         /*
2338          * Override the creator OS, if applicable
2339          */
2340         if (creator_os && !set_os(fs->super, creator_os)) {
2341                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
2342                 exit(1);
2343         }
2344
2345         /*
2346          * For the Hurd, we will turn off filetype since it doesn't
2347          * support it.
2348          */
2349         if (fs->super->s_creator_os == EXT2_OS_HURD)
2350                 fs->super->s_feature_incompat &=
2351                         ~EXT2_FEATURE_INCOMPAT_FILETYPE;
2352
2353         /*
2354          * Set the volume label...
2355          */
2356         if (volume_label) {
2357                 memset(fs->super->s_volume_name, 0,
2358                        sizeof(fs->super->s_volume_name));
2359                 strncpy(fs->super->s_volume_name, volume_label,
2360                         sizeof(fs->super->s_volume_name));
2361         }
2362
2363         /*
2364          * Set the last mount directory
2365          */
2366         if (mount_dir) {
2367                 memset(fs->super->s_last_mounted, 0,
2368                        sizeof(fs->super->s_last_mounted));
2369                 strncpy(fs->super->s_last_mounted, mount_dir,
2370                         sizeof(fs->super->s_last_mounted));
2371         }
2372
2373         if (!quiet || noaction)
2374                 show_stats(fs);
2375
2376         if (noaction)
2377                 exit(0);
2378
2379         if (fs->super->s_feature_incompat &
2380             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
2381                 create_journal_dev(fs);
2382                 exit(ext2fs_close(fs) ? 1 : 0);
2383         }
2384
2385         if (bad_blocks_filename)
2386                 read_bb_file(fs, &bb_list, bad_blocks_filename);
2387         if (cflag)
2388                 test_disk(fs, &bb_list);
2389
2390         handle_bad_blocks(fs, bb_list);
2391         fs->stride = fs_stride = fs->super->s_raid_stride;
2392         if (!quiet)
2393                 printf(_("Allocating group tables: "));
2394         retval = ext2fs_allocate_tables(fs);
2395         if (retval) {
2396                 com_err(program_name, retval,
2397                         _("while trying to allocate filesystem tables"));
2398                 exit(1);
2399         }
2400         if (!quiet)
2401                 printf(_("done                            \n"));
2402
2403         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
2404         if (retval) {
2405                 com_err(program_name, retval,
2406                         _("\n\twhile converting subcluster bitmap"));
2407                 exit(1);
2408         }
2409
2410         if (super_only) {
2411                 fs->super->s_state |= EXT2_ERROR_FS;
2412                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
2413         } else {
2414                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
2415                 blk64_t rsv = 65536 / fs->blocksize;
2416                 blk64_t blocks = ext2fs_blocks_count(fs->super);
2417                 blk64_t start;
2418                 blk64_t ret_blk;
2419
2420 #ifdef ZAP_BOOTBLOCK
2421                 zap_sector(fs, 0, 2);
2422 #endif
2423
2424                 /*
2425                  * Wipe out any old MD RAID (or other) metadata at the end
2426                  * of the device.  This will also verify that the device is
2427                  * as large as we think.  Be careful with very small devices.
2428                  */
2429                 start = (blocks & ~(rsv - 1));
2430                 if (start > rsv)
2431                         start -= rsv;
2432                 if (start > 0)
2433                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
2434                                                     &ret_blk, NULL);
2435
2436                 if (retval) {
2437                         com_err(program_name, retval,
2438                                 _("while zeroing block %llu at end of filesystem"),
2439                                 ret_blk);
2440                 }
2441                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
2442                 create_root_dir(fs);
2443                 create_lost_and_found(fs);
2444                 reserve_inodes(fs);
2445                 create_bad_block_inode(fs, bb_list);
2446                 if (fs->super->s_feature_compat &
2447                     EXT2_FEATURE_COMPAT_RESIZE_INODE) {
2448                         retval = ext2fs_create_resize_inode(fs);
2449                         if (retval) {
2450                                 com_err("ext2fs_create_resize_inode", retval,
2451                                 _("while reserving blocks for online resize"));
2452                                 exit(1);
2453                         }
2454                 }
2455         }
2456
2457         if (journal_device) {
2458                 ext2_filsys     jfs;
2459
2460                 if (!force)
2461                         check_plausibility(journal_device);
2462                 check_mount(journal_device, force, _("journal"));
2463
2464                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
2465                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
2466                                      fs->blocksize, unix_io_manager, &jfs);
2467                 if (retval) {
2468                         com_err(program_name, retval,
2469                                 _("while trying to open journal device %s\n"),
2470                                 journal_device);
2471                         exit(1);
2472                 }
2473                 if (!quiet) {
2474                         printf(_("Adding journal to device %s: "),
2475                                journal_device);
2476                         fflush(stdout);
2477                 }
2478                 retval = ext2fs_add_journal_device(fs, jfs);
2479                 if(retval) {
2480                         com_err (program_name, retval,
2481                                  _("\n\twhile trying to add journal to device %s"),
2482                                  journal_device);
2483                         exit(1);
2484                 }
2485                 if (!quiet)
2486                         printf(_("done\n"));
2487                 ext2fs_close(jfs);
2488                 free(journal_device);
2489         } else if ((journal_size) ||
2490                    (fs_param.s_feature_compat &
2491                     EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
2492                 journal_blocks = figure_journal_size(journal_size, fs);
2493
2494                 if (super_only) {
2495                         printf(_("Skipping journal creation in super-only mode\n"));
2496                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
2497                         goto no_journal;
2498                 }
2499
2500                 if (!journal_blocks) {
2501                         fs->super->s_feature_compat &=
2502                                 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
2503                         goto no_journal;
2504                 }
2505                 if (!quiet) {
2506                         printf(_("Creating journal (%u blocks): "),
2507                                journal_blocks);
2508                         fflush(stdout);
2509                 }
2510                 retval = ext2fs_add_journal_inode(fs, journal_blocks,
2511                                                   journal_flags);
2512                 if (retval) {
2513                         com_err (program_name, retval,
2514                                  _("\n\twhile trying to create journal"));
2515                         exit(1);
2516                 }
2517                 if (!quiet)
2518                         printf(_("done\n"));
2519         }
2520 no_journal:
2521         if (!super_only &&
2522             fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) {
2523                 retval = ext2fs_mmp_init(fs);
2524                 if (retval) {
2525                         fprintf(stderr, _("\nError while enabling multiple "
2526                                           "mount protection feature."));
2527                         exit(1);
2528                 }
2529                 if (!quiet)
2530                         printf(_("Multiple mount protection is enabled "
2531                                  "with update interval %d seconds.\n"),
2532                                fs->super->s_mmp_update_interval);
2533         }
2534
2535         if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
2536                                        EXT4_FEATURE_RO_COMPAT_BIGALLOC))
2537                 fix_cluster_bg_counts(fs);
2538         if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
2539                                        EXT4_FEATURE_RO_COMPAT_QUOTA))
2540                 create_quota_inodes(fs);
2541
2542         if (!quiet)
2543                 printf(_("Writing superblocks and "
2544                        "filesystem accounting information: "));
2545         checkinterval = fs->super->s_checkinterval;
2546         max_mnt_count = fs->super->s_max_mnt_count;
2547         retval = ext2fs_close(fs);
2548         if (retval) {
2549                 fprintf(stderr,
2550                         _("\nWarning, had trouble writing out superblocks."));
2551         } else if (!quiet) {
2552                 printf(_("done\n\n"));
2553                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
2554                         print_check_message(max_mnt_count, checkinterval);
2555         }
2556
2557         remove_error_table(&et_ext2_error_table);
2558         remove_error_table(&et_prof_error_table);
2559         profile_release(profile);
2560         for (i=0; fs_types[i]; i++)
2561                 free(fs_types[i]);
2562         free(fs_types);
2563         return retval;
2564 }