misc/mke2fs.c

   1 /*
   2  * mke2fs.c - Make a ext2fs filesystem.
   3  *
   4  * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   5  *      2003, 2004, 2005 by Theodore Ts'o.
   6  *
   7  * %Begin-Header%
   8  * This file may be redistributed under the terms of the GNU Public
   9  * License.
  10  * %End-Header%
  11  */
  12
  13 /* Usage: mke2fs [options] device
  14  *
  15  * The device may be a block device or a image of one, but this isn't
  16  * enforced (but it's not much fun on a character device :-).
  17  */
  18
  19 #define _XOPEN_SOURCE 600
  20
  21 #include "config.h"
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <strings.h>
  25 #include <ctype.h>
  26 #include <time.h>
  27 #ifdef __linux__
  28 #include <sys/utsname.h>
  29 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
  30 #endif
  31 #ifdef HAVE_GETOPT_H
  32 #include <getopt.h>
  33 #else
  34 extern char *optarg;
  35 extern int optind;
  36 #endif
  37 #ifdef HAVE_UNISTD_H
  38 #include <unistd.h>
  39 #endif
  40 #ifdef HAVE_STDLIB_H
  41 #include <stdlib.h>
  42 #endif
  43 #ifdef HAVE_ERRNO_H
  44 #include <errno.h>
  45 #endif
  46 #ifdef HAVE_SYS_IOCTL_H
  47 #include <sys/ioctl.h>
  48 #endif
  49 #include <libgen.h>
  50 #include <limits.h>
  51 #include <blkid/blkid.h>
  52
  53 #include "ext2fs/ext2_fs.h"
  54 #include "ext2fs/ext2fsP.h"
  55 #include "uuid/uuid.h"
  56 #include "util.h"
  57 #include "support/nls-enable.h"
  58 #include "support/plausible.h"
  59 #include "support/profile.h"
  60 #include "support/prof_err.h"
  61 #include "../version.h"
  62 #include "support/quotaio.h"
  63 #include "mke2fs.h"
  64 #include "create_inode.h"
  65
  66 #define STRIDE_LENGTH 8
  67
  68 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
  69
  70 #ifndef __sparc__
  71 #define ZAP_BOOTBLOCK
  72 #endif
  73
  74 #define DISCARD_STEP_MB         (2048)
  75
  76 extern int isatty(int);
  77 extern FILE *fpopen(const char *cmd, const char *mode);
  78
  79 const char * program_name = "mke2fs";
  80 static const char * device_name /* = NULL */;
  81
  82 /* Command line options */
  83 static int      cflag;
  84 int     verbose;
  85 int     quiet;
  86 static int      super_only;
  87 static int      discard = 1;    /* attempt to discard device before fs creation */
  88 static int      direct_io;
  89 static int      force;
  90 static int      noaction;
  91 static int      num_backups = 2; /* number of backup bg's for sparse_super2 */
  92 static uid_t    root_uid;
  93 static gid_t    root_gid;
  94 int     journal_size;
  95 int     journal_flags;
  96 static int      lazy_itable_init;
  97 static int      packed_meta_blocks;
  98 int             no_copy_xattrs;
  99 static char     *bad_blocks_filename = NULL;
 100 static __u32    fs_stride;
 101 /* Initialize usr/grp quotas by default */
 102 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
 103 static __u64    offset;
 104 static blk64_t journal_location = ~0LL;
 105 static int      proceed_delay = -1;
 106 static blk64_t  dev_size;
 107
 108 static struct ext2_super_block fs_param;
 109 static __u32 zero_buf[4];
 110 static char *fs_uuid = NULL;
 111 static char *creator_os;
 112 static char *volume_label;
 113 static char *mount_dir;
 114 char *journal_device;
 115 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 116 char **fs_types;
 117 const char *src_root_dir;  /* Copy files from the specified directory */
 118 static char *undo_file;
 119
 120 static int android_sparse_file; /* -E android_sparse */
 121
 122 static profile_t        profile;
 123
 124 static int sys_page_size = 4096;
 125
 126 static int errors_behavior = 0;
 127
 128 static void usage(void)
 129 {
 130         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 131         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 132         "[-J journal-options]\n"
 133         "\t[-G flex-group-size] [-N number-of-inodes] "
 134         "[-d root-directory]\n"
 135         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 136         "\t[-g blocks-per-group] [-L volume-label] "
 137         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 138         "[-r fs-revision] [-E extended-option[,...]]\n"
 139         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 140         "[-z undo_file]\n"
 141         "\t[-jnqvDFSV] device [blocks-count]\n"),
 142                 program_name);
 143         exit(1);
 144 }
 145
 146 static int int_log2(unsigned long long arg)
 147 {
 148         int     l = 0;
 149
 150         arg >>= 1;
 151         while (arg) {
 152                 l++;
 153                 arg >>= 1;
 154         }
 155         return l;
 156 }
 157
 158 int int_log10(unsigned long long arg)
 159 {
 160         int     l;
 161
 162         for (l=0; arg ; l++)
 163                 arg = arg / 10;
 164         return l;
 165 }
 166
 167 #ifdef __linux__
 168 static int parse_version_number(const char *s)
 169 {
 170         int     major, minor, rev;
 171         char    *endptr;
 172         const char *cp = s;
 173
 174         if (!s)
 175                 return 0;
 176         major = strtol(cp, &endptr, 10);
 177         if (cp == endptr || *endptr != '.')
 178                 return 0;
 179         cp = endptr + 1;
 180         minor = strtol(cp, &endptr, 10);
 181         if (cp == endptr || *endptr != '.')
 182                 return 0;
 183         cp = endptr + 1;
 184         rev = strtol(cp, &endptr, 10);
 185         if (cp == endptr)
 186                 return 0;
 187         return KERNEL_VERSION(major, minor, rev);
 188 }
 189
 190 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 191                                unsigned int rev)
 192 {
 193         struct          utsname ut;
 194         static int      linux_version_code = -1;
 195
 196         if (uname(&ut)) {
 197                 perror("uname");
 198                 exit(1);
 199         }
 200         if (linux_version_code < 0)
 201                 linux_version_code = parse_version_number(ut.release);
 202         if (linux_version_code == 0)
 203                 return 0;
 204
 205         return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
 206 }
 207 #else
 208 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 209                                unsigned int rev)
 210 {
 211         return 0;
 212 }
 213 #endif
 214
 215 /*
 216  * Helper function for read_bb_file and test_disk
 217  */
 218 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 219 {
 220         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 221         return;
 222 }
 223
 224 /*
 225  * Reads the bad blocks list from a file
 226  */
 227 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 228                          const char *bad_blocks_file)
 229 {
 230         FILE            *f;
 231         errcode_t       retval;
 232
 233         f = fopen(bad_blocks_file, "r");
 234         if (!f) {
 235                 com_err("read_bad_blocks_file", errno,
 236                         _("while trying to open %s"), bad_blocks_file);
 237                 exit(1);
 238         }
 239         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 240         fclose (f);
 241         if (retval) {
 242                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 243                         _("while reading in list of bad blocks from file"));
 244                 exit(1);
 245         }
 246 }
 247
 248 /*
 249  * Runs the badblocks program to test the disk
 250  */
 251 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 252 {
 253         FILE            *f;
 254         errcode_t       retval;
 255         char            buf[1024];
 256
 257         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 258                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 259                 fs->device_name, ext2fs_blocks_count(fs->super)-1);
 260         if (verbose)
 261                 printf(_("Running command: %s\n"), buf);
 262         f = popen(buf, "r");
 263         if (!f) {
 264                 com_err("popen", errno,
 265                         _("while trying to run '%s'"), buf);
 266                 exit(1);
 267         }
 268         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 269         pclose(f);
 270         if (retval) {
 271                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 272                         _("while processing list of bad blocks from program"));
 273                 exit(1);
 274         }
 275 }
 276
 277 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 278 {
 279         dgrp_t                  i;
 280         blk_t                   j;
 281         unsigned                must_be_good;
 282         blk_t                   blk;
 283         badblocks_iterate       bb_iter;
 284         errcode_t               retval;
 285         blk_t                   group_block;
 286         int                     group;
 287         int                     group_bad;
 288
 289         if (!bb_list)
 290                 return;
 291
 292         /*
 293          * The primary superblock and group descriptors *must* be
 294          * good; if not, abort.
 295          */
 296         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 297         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 298                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 299                         fprintf(stderr, _("Block %d in primary "
 300                                 "superblock/group descriptor area bad.\n"), i);
 301                         fprintf(stderr, _("Blocks %u through %u must be good "
 302                                 "in order to build a filesystem.\n"),
 303                                 fs->super->s_first_data_block, must_be_good);
 304                         fputs(_("Aborting....\n"), stderr);
 305                         exit(1);
 306                 }
 307         }
 308
 309         /*
 310          * See if any of the bad blocks are showing up in the backup
 311          * superblocks and/or group descriptors.  If so, issue a
 312          * warning and adjust the block counts appropriately.
 313          */
 314         group_block = fs->super->s_first_data_block +
 315                 fs->super->s_blocks_per_group;
 316
 317         for (i = 1; i < fs->group_desc_count; i++) {
 318                 group_bad = 0;
 319                 for (j=0; j < fs->desc_blocks+1; j++) {
 320                         if (ext2fs_badblocks_list_test(bb_list,
 321                                                        group_block + j)) {
 322                                 if (!group_bad)
 323                                         fprintf(stderr,
 324 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 325 "       bad blocks.\n\n"),
 326                                                 group_block);
 327                                 group_bad++;
 328                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 329                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 330                                 ext2fs_group_desc_csum_set(fs, group);
 331                                 ext2fs_free_blocks_count_add(fs->super, 1);
 332                         }
 333                 }
 334                 group_block += fs->super->s_blocks_per_group;
 335         }
 336
 337         /*
 338          * Mark all the bad blocks as used...
 339          */
 340         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 341         if (retval) {
 342                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 343                         _("while marking bad blocks as used"));
 344                 exit(1);
 345         }
 346         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 347                 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
 348         ext2fs_badblocks_list_iterate_end(bb_iter);
 349 }
 350
 351 static void write_reserved_inodes(ext2_filsys fs)
 352 {
 353         errcode_t       retval;
 354         ext2_ino_t      ino;
 355         struct ext2_inode *inode;
 356
 357         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 358         if (retval) {
 359                 com_err("inode_init", retval, _("while allocating memory"));
 360                 exit(1);
 361         }
 362
 363         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
 364                 retval = ext2fs_write_inode_full(fs, ino, inode,
 365                                                  EXT2_INODE_SIZE(fs->super));
 366                 if (retval) {
 367                         com_err("ext2fs_write_inode_full", retval,
 368                                 _("while writing reserved inodes"));
 369                         exit(1);
 370                 }
 371         }
 372
 373         ext2fs_free_mem(&inode);
 374 }
 375
 376 static errcode_t packed_allocate_tables(ext2_filsys fs)
 377 {
 378         errcode_t       retval;
 379         dgrp_t          i;
 380         blk64_t         goal = 0;
 381
 382         for (i = 0; i < fs->group_desc_count; i++) {
 383                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 384                 if (retval)
 385                         return retval;
 386                 ext2fs_block_alloc_stats2(fs, goal, +1);
 387                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 388         }
 389         for (i = 0; i < fs->group_desc_count; i++) {
 390                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 391                 if (retval)
 392                         return retval;
 393                 ext2fs_block_alloc_stats2(fs, goal, +1);
 394                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 395         }
 396         for (i = 0; i < fs->group_desc_count; i++) {
 397                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 398                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 399                                                  fs->inode_blocks_per_group,
 400                                                  fs->block_map, &goal);
 401                 if (retval)
 402                         return retval;
 403                 ext2fs_block_alloc_stats_range(fs, goal,
 404                                                fs->inode_blocks_per_group, +1);
 405                 ext2fs_inode_table_loc_set(fs, i, goal);
 406                 ext2fs_group_desc_csum_set(fs, i);
 407         }
 408         return 0;
 409 }
 410
 411 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 412 {
 413         errcode_t       retval;
 414         blk64_t         blk;
 415         dgrp_t          i;
 416         int             num;
 417         struct ext2fs_numeric_progress_struct progress;
 418
 419         ext2fs_numeric_progress_init(fs, &progress,
 420                                      _("Writing inode tables: "),
 421                                      fs->group_desc_count);
 422
 423         for (i = 0; i < fs->group_desc_count; i++) {
 424                 ext2fs_numeric_progress_update(fs, &progress, i);
 425
 426                 blk = ext2fs_inode_table_loc(fs, i);
 427                 num = fs->inode_blocks_per_group;
 428
 429                 if (lazy_flag)
 430                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 431                                                ext2fs_bg_itable_unused(fs, i)) *
 432                                               EXT2_INODE_SIZE(fs->super),
 433                                               EXT2_BLOCK_SIZE(fs->super));
 434                 if (!lazy_flag || itable_zeroed) {
 435                         /* The kernel doesn't need to zero the itable blocks */
 436                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 437                         ext2fs_group_desc_csum_set(fs, i);
 438                 }
 439                 if (!itable_zeroed) {
 440                         retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
 441                         if (retval) {
 442                                 fprintf(stderr, _("\nCould not write %d "
 443                                           "blocks in inode table starting at %llu: %s\n"),
 444                                         num, blk, error_message(retval));
 445                                 exit(1);
 446                         }
 447                 }
 448                 if (sync_kludge) {
 449                         if (sync_kludge == 1)
 450                                 io_channel_flush(fs->io);
 451                         else if ((i % sync_kludge) == 0)
 452                                 io_channel_flush(fs->io);
 453                 }
 454         }
 455         ext2fs_numeric_progress_close(fs, &progress,
 456                                       _("done                            \n"));
 457
 458         /* Reserved inodes must always have correct checksums */
 459         if (ext2fs_has_feature_metadata_csum(fs->super))
 460                 write_reserved_inodes(fs);
 461 }
 462
 463 static void create_root_dir(ext2_filsys fs)
 464 {
 465         errcode_t               retval;
 466         struct ext2_inode       inode;
 467
 468         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 469         if (retval) {
 470                 com_err("ext2fs_mkdir", retval, "%s",
 471                         _("while creating root dir"));
 472                 exit(1);
 473         }
 474         if (root_uid != 0 || root_gid != 0) {
 475                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 476                 if (retval) {
 477                         com_err("ext2fs_read_inode", retval, "%s",
 478                                 _("while reading root inode"));
 479                         exit(1);
 480                 }
 481
 482                 inode.i_uid = root_uid;
 483                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 484                 inode.i_gid = root_gid;
 485                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 486
 487                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 488                 if (retval) {
 489                         com_err("ext2fs_write_inode", retval, "%s",
 490                                 _("while setting root inode ownership"));
 491                         exit(1);
 492                 }
 493         }
 494 }
 495
 496 static void create_lost_and_found(ext2_filsys fs)
 497 {
 498         unsigned int            lpf_size = 0;
 499         errcode_t               retval;
 500         ext2_ino_t              ino;
 501         const char              *name = "lost+found";
 502         int                     i;
 503
 504         fs->umask = 077;
 505         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 506         if (retval) {
 507                 com_err("ext2fs_mkdir", retval, "%s",
 508                         _("while creating /lost+found"));
 509                 exit(1);
 510         }
 511
 512         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 513         if (retval) {
 514                 com_err("ext2_lookup", retval, "%s",
 515                         _("while looking up /lost+found"));
 516                 exit(1);
 517         }
 518
 519         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 520                 /* Ensure that lost+found is at least 2 blocks, so we always
 521                  * test large empty blocks for big-block filesystems.  */
 522                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 523                     lpf_size >= 2 * fs->blocksize)
 524                         break;
 525                 retval = ext2fs_expand_dir(fs, ino);
 526                 if (retval) {
 527                         com_err("ext2fs_expand_dir", retval, "%s",
 528                                 _("while expanding /lost+found"));
 529                         exit(1);
 530                 }
 531         }
 532 }
 533
 534 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 535 {
 536         errcode_t       retval;
 537
 538         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 539         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 540         retval = ext2fs_update_bb_inode(fs, bb_list);
 541         if (retval) {
 542                 com_err("ext2fs_update_bb_inode", retval, "%s",
 543                         _("while setting bad block inode"));
 544                 exit(1);
 545         }
 546
 547 }
 548
 549 static void reserve_inodes(ext2_filsys fs)
 550 {
 551         ext2_ino_t      i;
 552
 553         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 554                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 555         ext2fs_mark_ib_dirty(fs);
 556 }
 557
 558 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 559 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 560 #define BSD_LABEL_OFFSET        64
 561
 562 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 563 {
 564         char *buf;
 565         int retval;
 566         unsigned int *magic;
 567
 568         buf = calloc(512, nsect);
 569         if (!buf) {
 570                 printf(_("Out of memory erasing sectors %d-%d\n"),
 571                        sect, sect + nsect - 1);
 572                 exit(1);
 573         }
 574
 575         if (sect == 0) {
 576                 /* Check for a BSD disklabel, and don't erase it if so */
 577                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 578                 if (retval)
 579                         fprintf(stderr,
 580                                 _("Warning: could not read block 0: %s\n"),
 581                                 error_message(retval));
 582                 else {
 583                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 584                         if ((*magic == BSD_DISKMAGIC) ||
 585                             (*magic == BSD_MAGICDISK))
 586                                 return;
 587                 }
 588         }
 589
 590         memset(buf, 0, 512*nsect);
 591         io_channel_set_blksize(fs->io, 512);
 592         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 593         io_channel_set_blksize(fs->io, fs->blocksize);
 594         free(buf);
 595         if (retval)
 596                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 597                         sect, error_message(retval));
 598 }
 599
 600 static void create_journal_dev(ext2_filsys fs)
 601 {
 602         struct ext2fs_numeric_progress_struct progress;
 603         errcode_t               retval;
 604         char                    *buf;
 605         blk64_t                 blk, err_blk;
 606         int                     c, count, err_count;
 607
 608         retval = ext2fs_create_journal_superblock(fs,
 609                                   ext2fs_blocks_count(fs->super), 0, &buf);
 610         if (retval) {
 611                 com_err("create_journal_dev", retval, "%s",
 612                         _("while initializing journal superblock"));
 613                 exit(1);
 614         }
 615
 616         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 617                 goto write_superblock;
 618
 619         ext2fs_numeric_progress_init(fs, &progress,
 620                                      _("Zeroing journal device: "),
 621                                      ext2fs_blocks_count(fs->super));
 622         blk = 0;
 623         count = ext2fs_blocks_count(fs->super);
 624         while (count > 0) {
 625                 if (count > 1024)
 626                         c = 1024;
 627                 else
 628                         c = count;
 629                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 630                 if (retval) {
 631                         com_err("create_journal_dev", retval,
 632                                 _("while zeroing journal device "
 633                                   "(block %llu, count %d)"),
 634                                 err_blk, err_count);
 635                         exit(1);
 636                 }
 637                 blk += c;
 638                 count -= c;
 639                 ext2fs_numeric_progress_update(fs, &progress, blk);
 640         }
 641
 642         ext2fs_numeric_progress_close(fs, &progress, NULL);
 643 write_superblock:
 644         retval = io_channel_write_blk64(fs->io,
 645                                         fs->super->s_first_data_block+1,
 646                                         1, buf);
 647         (void) ext2fs_free_mem(&buf);
 648         if (retval) {
 649                 com_err("create_journal_dev", retval, "%s",
 650                         _("while writing journal superblock"));
 651                 exit(1);
 652         }
 653 }
 654
 655 static void show_stats(ext2_filsys fs)
 656 {
 657         struct ext2_super_block *s = fs->super;
 658         char                    buf[80];
 659         char                    *os;
 660         blk64_t                 group_block;
 661         dgrp_t                  i;
 662         int                     need, col_left;
 663
 664         if (!verbose) {
 665                 printf(_("Creating filesystem with %llu %dk blocks and "
 666                          "%u inodes\n"),
 667                        ext2fs_blocks_count(s), fs->blocksize >> 10,
 668                        s->s_inodes_count);
 669                 goto skip_details;
 670         }
 671
 672         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 673                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 674                        ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
 675
 676         memset(buf, 0, sizeof(buf));
 677         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 678         printf(_("Filesystem label=%s\n"), buf);
 679         os = e2p_os2string(fs->super->s_creator_os);
 680         if (os)
 681                 printf(_("OS type: %s\n"), os);
 682         free(os);
 683         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 684                 s->s_log_block_size);
 685         if (ext2fs_has_feature_bigalloc(fs->super))
 686                 printf(_("Cluster size=%u (log=%u)\n"),
 687                        fs->blocksize << fs->cluster_ratio_bits,
 688                        s->s_log_cluster_size);
 689         else
 690                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 691                        s->s_log_cluster_size);
 692         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 693                s->s_raid_stride, s->s_raid_stripe_width);
 694         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 695                ext2fs_blocks_count(s));
 696         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 697                 ext2fs_r_blocks_count(s),
 698                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 699         printf(_("First data block=%u\n"), s->s_first_data_block);
 700         if (root_uid != 0 || root_gid != 0)
 701                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 702         if (s->s_reserved_gdt_blocks)
 703                 printf(_("Maximum filesystem blocks=%lu\n"),
 704                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 705                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 706         if (fs->group_desc_count > 1)
 707                 printf(_("%u block groups\n"), fs->group_desc_count);
 708         else
 709                 printf(_("%u block group\n"), fs->group_desc_count);
 710         if (ext2fs_has_feature_bigalloc(fs->super))
 711                 printf(_("%u blocks per group, %u clusters per group\n"),
 712                        s->s_blocks_per_group, s->s_clusters_per_group);
 713         else
 714                 printf(_("%u blocks per group, %u fragments per group\n"),
 715                        s->s_blocks_per_group, s->s_clusters_per_group);
 716         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 717
 718 skip_details:
 719         if (fs->group_desc_count == 1) {
 720                 printf("\n");
 721                 return;
 722         }
 723
 724         if (!e2p_is_null_uuid(s->s_uuid))
 725                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 726         printf("%s", _("Superblock backups stored on blocks: "));
 727         group_block = s->s_first_data_block;
 728         col_left = 0;
 729         for (i = 1; i < fs->group_desc_count; i++) {
 730                 group_block += s->s_blocks_per_group;
 731                 if (!ext2fs_bg_has_super(fs, i))
 732                         continue;
 733                 if (i != 1)
 734                         printf(", ");
 735                 need = int_log10(group_block) + 2;
 736                 if (need > col_left) {
 737                         printf("\n\t");
 738                         col_left = 72;
 739                 }
 740                 col_left -= need;
 741                 printf("%llu", group_block);
 742         }
 743         printf("\n\n");
 744 }
 745
 746 /*
 747  * Returns true if making a file system for the Hurd, else 0
 748  */
 749 static int for_hurd(const char *os)
 750 {
 751         if (!os) {
 752 #ifdef __GNU__
 753                 return 1;
 754 #else
 755                 return 0;
 756 #endif
 757         }
 758         if (isdigit(*os))
 759                 return (atoi(os) == EXT2_OS_HURD);
 760         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 761 }
 762
 763 /*
 764  * Set the S_CREATOR_OS field.  Return true if OS is known,
 765  * otherwise, 0.
 766  */
 767 static int set_os(struct ext2_super_block *sb, char *os)
 768 {
 769         if (isdigit (*os))
 770                 sb->s_creator_os = atoi (os);
 771         else if (strcasecmp(os, "linux") == 0)
 772                 sb->s_creator_os = EXT2_OS_LINUX;
 773         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 774                 sb->s_creator_os = EXT2_OS_HURD;
 775         else if (strcasecmp(os, "freebsd") == 0)
 776                 sb->s_creator_os = EXT2_OS_FREEBSD;
 777         else if (strcasecmp(os, "lites") == 0)
 778                 sb->s_creator_os = EXT2_OS_LITES;
 779         else
 780                 return 0;
 781         return 1;
 782 }
 783
 784 #define PATH_SET "PATH=/sbin"
 785
 786 static void parse_extended_opts(struct ext2_super_block *param,
 787                                 const char *opts)
 788 {
 789         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 790         int     len;
 791         int     r_usage = 0;
 792         int     ret;
 793
 794         len = strlen(opts);
 795         buf = malloc(len+1);
 796         if (!buf) {
 797                 fprintf(stderr, "%s",
 798                         _("Couldn't allocate memory to parse options!\n"));
 799                 exit(1);
 800         }
 801         strcpy(buf, opts);
 802         for (token = buf; token && *token; token = next) {
 803                 p = strchr(token, ',');
 804                 next = 0;
 805                 if (p) {
 806                         *p = 0;
 807                         next = p+1;
 808                 }
 809                 arg = strchr(token, '=');
 810                 if (arg) {
 811                         *arg = 0;
 812                         arg++;
 813                 }
 814                 if (strcmp(token, "desc-size") == 0 ||
 815                     strcmp(token, "desc_size") == 0) {
 816                         int desc_size;
 817
 818                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 819                                 fprintf(stderr,
 820                                         _("%s requires '-O 64bit'\n"), token);
 821                                 r_usage++;
 822                                 continue;
 823                         }
 824                         if (param->s_reserved_gdt_blocks != 0) {
 825                                 fprintf(stderr,
 826                                         _("'%s' must be before 'resize=%u'\n"),
 827                                         token, param->s_reserved_gdt_blocks);
 828                                 r_usage++;
 829                                 continue;
 830                         }
 831                         if (!arg) {
 832                                 r_usage++;
 833                                 badopt = token;
 834                                 continue;
 835                         }
 836                         desc_size = strtoul(arg, &p, 0);
 837                         if (*p || (desc_size & (desc_size - 1))) {
 838                                 fprintf(stderr,
 839                                         _("Invalid desc_size: '%s'\n"), arg);
 840                                 r_usage++;
 841                                 continue;
 842                         }
 843                         param->s_desc_size = desc_size;
 844                 } else if (strcmp(token, "hash_seed") == 0) {
 845                         if (!arg) {
 846                                 r_usage++;
 847                                 badopt = token;
 848                                 continue;
 849                         }
 850                         if (uuid_parse(arg,
 851                                 (unsigned char *)param->s_hash_seed) != 0) {
 852                                 fprintf(stderr,
 853                                         _("Invalid hash seed: %s\n"), arg);
 854                                 r_usage++;
 855                                 continue;
 856                         }
 857                 } else if (strcmp(token, "offset") == 0) {
 858                         if (!arg) {
 859                                 r_usage++;
 860                                 badopt = token;
 861                                 continue;
 862                         }
 863                         offset = strtoull(arg, &p, 0);
 864                         if (*p) {
 865                                 fprintf(stderr, _("Invalid offset: %s\n"),
 866                                         arg);
 867                                 r_usage++;
 868                                 continue;
 869                         }
 870                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 871                         if (!arg) {
 872                                 r_usage++;
 873                                 badopt = token;
 874                                 continue;
 875                         }
 876                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 877                         if (*p) {
 878                                 fprintf(stderr,
 879                                         _("Invalid mmp_update_interval: %s\n"),
 880                                         arg);
 881                                 r_usage++;
 882                                 continue;
 883                         }
 884                 } else if (strcmp(token, "no_copy_xattrs") == 0) {
 885                         no_copy_xattrs = 1;
 886                         continue;
 887                 } else if (strcmp(token, "num_backup_sb") == 0) {
 888                         if (!arg) {
 889                                 r_usage++;
 890                                 badopt = token;
 891                                 continue;
 892                         }
 893                         num_backups = strtoul(arg, &p, 0);
 894                         if (*p || num_backups > 2) {
 895                                 fprintf(stderr,
 896                                         _("Invalid # of backup "
 897                                           "superblocks: %s\n"),
 898                                         arg);
 899                                 r_usage++;
 900                                 continue;
 901                         }
 902                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 903                         if (arg)
 904                                 packed_meta_blocks = strtoul(arg, &p, 0);
 905                         else
 906                                 packed_meta_blocks = 1;
 907                         if (packed_meta_blocks)
 908                                 journal_location = 0;
 909                 } else if (strcmp(token, "stride") == 0) {
 910                         if (!arg) {
 911                                 r_usage++;
 912                                 badopt = token;
 913                                 continue;
 914                         }
 915                         param->s_raid_stride = strtoul(arg, &p, 0);
 916                         if (*p) {
 917                                 fprintf(stderr,
 918                                         _("Invalid stride parameter: %s\n"),
 919                                         arg);
 920                                 r_usage++;
 921                                 continue;
 922                         }
 923                 } else if (strcmp(token, "stripe-width") == 0 ||
 924                            strcmp(token, "stripe_width") == 0) {
 925                         if (!arg) {
 926                                 r_usage++;
 927                                 badopt = token;
 928                                 continue;
 929                         }
 930                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 931                         if (*p) {
 932                                 fprintf(stderr,
 933                                         _("Invalid stripe-width parameter: %s\n"),
 934                                         arg);
 935                                 r_usage++;
 936                                 continue;
 937                         }
 938                 } else if (!strcmp(token, "resize")) {
 939                         blk64_t resize;
 940                         unsigned long bpg, rsv_groups;
 941                         unsigned long group_desc_count, desc_blocks;
 942                         unsigned int gdpb, blocksize;
 943                         int rsv_gdb;
 944
 945                         if (!arg) {
 946                                 r_usage++;
 947                                 badopt = token;
 948                                 continue;
 949                         }
 950
 951                         resize = parse_num_blocks2(arg,
 952                                                    param->s_log_block_size);
 953
 954                         if (resize == 0) {
 955                                 fprintf(stderr,
 956                                         _("Invalid resize parameter: %s\n"),
 957                                         arg);
 958                                 r_usage++;
 959                                 continue;
 960                         }
 961                         if (resize <= ext2fs_blocks_count(param)) {
 962                                 fprintf(stderr, "%s",
 963                                         _("The resize maximum must be greater "
 964                                           "than the filesystem size.\n"));
 965                                 r_usage++;
 966                                 continue;
 967                         }
 968
 969                         blocksize = EXT2_BLOCK_SIZE(param);
 970                         bpg = param->s_blocks_per_group;
 971                         if (!bpg)
 972                                 bpg = blocksize * 8;
 973                         gdpb = EXT2_DESC_PER_BLOCK(param);
 974                         group_desc_count = (__u32) ext2fs_div64_ceil(
 975                                 ext2fs_blocks_count(param), bpg);
 976                         desc_blocks = (group_desc_count +
 977                                        gdpb - 1) / gdpb;
 978                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 979                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 980                                 desc_blocks;
 981                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 982                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 983
 984                         if (rsv_gdb > 0) {
 985                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 986                                         fprintf(stderr, "%s",
 987         _("On-line resizing not supported with revision 0 filesystems\n"));
 988                                         free(buf);
 989                                         exit(1);
 990                                 }
 991                                 ext2fs_set_feature_resize_inode(param);
 992
 993                                 param->s_reserved_gdt_blocks = rsv_gdb;
 994                         }
 995                 } else if (!strcmp(token, "test_fs")) {
 996                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 997                 } else if (!strcmp(token, "lazy_itable_init")) {
 998                         if (arg)
 999                                 lazy_itable_init = strtoul(arg, &p, 0);
1000                         else
1001                                 lazy_itable_init = 1;
1002                 } else if (!strcmp(token, "lazy_journal_init")) {
1003                         if (arg)
1004                                 journal_flags |= strtoul(arg, &p, 0) ?
1005                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
1006                         else
1007                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
1008                 } else if (!strcmp(token, "root_owner")) {
1009                         if (arg) {
1010                                 root_uid = strtoul(arg, &p, 0);
1011                                 if (*p != ':') {
1012                                         fprintf(stderr,
1013                                                 _("Invalid root_owner: '%s'\n"),
1014                                                 arg);
1015                                         r_usage++;
1016                                         continue;
1017                                 }
1018                                 p++;
1019                                 root_gid = strtoul(p, &p, 0);
1020                                 if (*p) {
1021                                         fprintf(stderr,
1022                                                 _("Invalid root_owner: '%s'\n"),
1023                                                 arg);
1024                                         r_usage++;
1025                                         continue;
1026                                 }
1027                         } else {
1028                                 root_uid = getuid();
1029                                 root_gid = getgid();
1030                         }
1031                 } else if (!strcmp(token, "discard")) {
1032                         discard = 1;
1033                 } else if (!strcmp(token, "nodiscard")) {
1034                         discard = 0;
1035                 } else if (!strcmp(token, "quotatype")) {
1036                         char *errtok = NULL;
1037
1038                         if (!arg) {
1039                                 r_usage++;
1040                                 badopt = token;
1041                                 continue;
1042                         }
1043                         quotatype_bits = 0;
1044                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1045                         if (ret) {
1046                                 if (errtok) {
1047                                         fprintf(stderr,
1048                                 "Failed to parse quota type at %s", errtok);
1049                                         free(errtok);
1050                                 } else
1051                                         com_err(program_name, ret,
1052                                                 "while parsing quota type");
1053                                 r_usage++;
1054                                 badopt = token;
1055                                 continue;
1056                         }
1057                 } else if (!strcmp(token, "android_sparse")) {
1058                         android_sparse_file = 1;
1059                 } else {
1060                         r_usage++;
1061                         badopt = token;
1062                 }
1063         }
1064         if (r_usage) {
1065                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1066                         "Extended options are separated by commas, "
1067                         "and may take an argument which\n"
1068                         "\tis set off by an equals ('=') sign.\n\n"
1069                         "Valid extended options are:\n"
1070                         "\tmmp_update_interval=<interval>\n"
1071                         "\tnum_backup_sb=<0|1|2>\n"
1072                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1073                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1074                         "\toffset=<offset to create the file system>\n"
1075                         "\tresize=<resize maximum size in blocks>\n"
1076                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1077                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1078                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1079                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1080                         "\ttest_fs\n"
1081                         "\tdiscard\n"
1082                         "\tnodiscard\n"
1083                         "\tquotatype=<quota type(s) to be enabled>\n\n"),
1084                         badopt ? badopt : "");
1085                 free(buf);
1086                 exit(1);
1087         }
1088         if (param->s_raid_stride &&
1089             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1090                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1091                                   "multiple of stride %u.\n\n"),
1092                         param->s_raid_stripe_width, param->s_raid_stride);
1093
1094         free(buf);
1095 }
1096
1097 static __u32 ok_features[3] = {
1098         /* Compat */
1099         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1100                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1101                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1102                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1103                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1104         /* Incompat */
1105         EXT2_FEATURE_INCOMPAT_FILETYPE|
1106                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1107                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1108                 EXT2_FEATURE_INCOMPAT_META_BG|
1109                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1110                 EXT4_FEATURE_INCOMPAT_EA_INODE|
1111                 EXT4_FEATURE_INCOMPAT_MMP |
1112                 EXT4_FEATURE_INCOMPAT_64BIT|
1113                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1114                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1115                 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1116                 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1117         /* R/O compat */
1118         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1119                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1120                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1121                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1122                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1123                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1124                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1125                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1126                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1127                 EXT4_FEATURE_RO_COMPAT_PROJECT
1128 };
1129
1130
1131 static void syntax_err_report(const char *filename, long err, int line_num)
1132 {
1133         fprintf(stderr,
1134                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1135                 filename, line_num, error_message(err));
1136         exit(1);
1137 }
1138
1139 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1140
1141 static void edit_feature(const char *str, __u32 *compat_array)
1142 {
1143         if (!str)
1144                 return;
1145
1146         if (e2p_edit_feature(str, compat_array, ok_features)) {
1147                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1148                         str);
1149                 exit(1);
1150         }
1151 }
1152
1153 static void edit_mntopts(const char *str, __u32 *mntopts)
1154 {
1155         if (!str)
1156                 return;
1157
1158         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1159                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1160                         str);
1161                 exit(1);
1162         }
1163 }
1164
1165 struct str_list {
1166         char **list;
1167         int num;
1168         int max;
1169 };
1170
1171 static errcode_t init_list(struct str_list *sl)
1172 {
1173         sl->num = 0;
1174         sl->max = 1;
1175         sl->list = malloc((sl->max+1) * sizeof(char *));
1176         if (!sl->list)
1177                 return ENOMEM;
1178         sl->list[0] = 0;
1179         return 0;
1180 }
1181
1182 static errcode_t push_string(struct str_list *sl, const char *str)
1183 {
1184         char **new_list;
1185
1186         if (sl->num >= sl->max) {
1187                 sl->max += 2;
1188                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1189                 if (!new_list)
1190                         return ENOMEM;
1191                 sl->list = new_list;
1192         }
1193         sl->list[sl->num] = malloc(strlen(str)+1);
1194         if (sl->list[sl->num] == 0)
1195                 return ENOMEM;
1196         strcpy(sl->list[sl->num], str);
1197         sl->num++;
1198         sl->list[sl->num] = 0;
1199         return 0;
1200 }
1201
1202 static void print_str_list(char **list)
1203 {
1204         char **cpp;
1205
1206         for (cpp = list; *cpp; cpp++) {
1207                 printf("'%s'", *cpp);
1208                 if (cpp[1])
1209                         fputs(", ", stdout);
1210         }
1211         fputc('\n', stdout);
1212 }
1213
1214 /*
1215  * Return TRUE if the profile has the given subsection
1216  */
1217 static int profile_has_subsection(profile_t prof, const char *section,
1218                                   const char *subsection)
1219 {
1220         void                    *state;
1221         const char              *names[4];
1222         char                    *name;
1223         int                     ret = 0;
1224
1225         names[0] = section;
1226         names[1] = subsection;
1227         names[2] = 0;
1228
1229         if (profile_iterator_create(prof, names,
1230                                     PROFILE_ITER_LIST_SECTION |
1231                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1232                 return 0;
1233
1234         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1235                 free(name);
1236                 ret = 1;
1237         }
1238
1239         profile_iterator_free(&state);
1240         return ret;
1241 }
1242
1243 static char **parse_fs_type(const char *fs_type,
1244                             const char *usage_types,
1245                             struct ext2_super_block *sb,
1246                             blk64_t fs_blocks_count,
1247                             char *progname)
1248 {
1249         const char      *ext_type = 0;
1250         char            *parse_str;
1251         char            *profile_type = 0;
1252         char            *cp, *t;
1253         const char      *size_type;
1254         struct str_list list;
1255         unsigned long long meg;
1256         int             is_hurd = for_hurd(creator_os);
1257
1258         if (init_list(&list))
1259                 return 0;
1260
1261         if (fs_type)
1262                 ext_type = fs_type;
1263         else if (is_hurd)
1264                 ext_type = "ext2";
1265         else if (!strcmp(program_name, "mke3fs"))
1266                 ext_type = "ext3";
1267         else if (!strcmp(program_name, "mke4fs"))
1268                 ext_type = "ext4";
1269         else if (progname) {
1270                 ext_type = strrchr(progname, '/');
1271                 if (ext_type)
1272                         ext_type++;
1273                 else
1274                         ext_type = progname;
1275
1276                 if (!strncmp(ext_type, "mkfs.", 5)) {
1277                         ext_type += 5;
1278                         if (ext_type[0] == 0)
1279                                 ext_type = 0;
1280                 } else
1281                         ext_type = 0;
1282         }
1283
1284         if (!ext_type) {
1285                 profile_get_string(profile, "defaults", "fs_type", 0,
1286                                    "ext2", &profile_type);
1287                 ext_type = profile_type;
1288                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1289                         ext_type = "ext3";
1290         }
1291
1292
1293         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1294             strcmp(ext_type, "ext2")) {
1295                 printf(_("\nYour mke2fs.conf file does not define the "
1296                          "%s filesystem type.\n"), ext_type);
1297                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1298                     !strcmp(ext_type, "ext4dev")) {
1299                         printf("%s", _("You probably need to install an "
1300                                        "updated mke2fs.conf file.\n\n"));
1301                 }
1302                 if (!force) {
1303                         printf("%s", _("Aborting...\n"));
1304                         exit(1);
1305                 }
1306         }
1307
1308         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1309         if (fs_blocks_count < 3 * meg)
1310                 size_type = "floppy";
1311         else if (fs_blocks_count < 512 * meg)
1312                 size_type = "small";
1313         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1314                 size_type = "default";
1315         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1316                 size_type = "big";
1317         else
1318                 size_type = "huge";
1319
1320         if (!usage_types)
1321                 usage_types = size_type;
1322
1323         parse_str = malloc(strlen(usage_types)+1);
1324         if (!parse_str) {
1325                 free(profile_type);
1326                 free(list.list);
1327                 return 0;
1328         }
1329         strcpy(parse_str, usage_types);
1330
1331         if (ext_type)
1332                 push_string(&list, ext_type);
1333         cp = parse_str;
1334         while (1) {
1335                 t = strchr(cp, ',');
1336                 if (t)
1337                         *t = '\0';
1338
1339                 if (*cp) {
1340                         if (profile_has_subsection(profile, "fs_types", cp))
1341                                 push_string(&list, cp);
1342                         else if (strcmp(cp, "default") != 0)
1343                                 fprintf(stderr,
1344                                         _("\nWarning: the fs_type %s is not "
1345                                           "defined in mke2fs.conf\n\n"),
1346                                         cp);
1347                 }
1348                 if (t)
1349                         cp = t+1;
1350                 else
1351                         break;
1352         }
1353         free(parse_str);
1354         free(profile_type);
1355         if (is_hurd)
1356                 push_string(&list, "hurd");
1357         return (list.list);
1358 }
1359
1360 char *get_string_from_profile(char **types, const char *opt,
1361                                      const char *def_val)
1362 {
1363         char *ret = 0;
1364         int i;
1365
1366         for (i=0; types[i]; i++);
1367         for (i-=1; i >=0 ; i--) {
1368                 profile_get_string(profile, "fs_types", types[i],
1369                                    opt, 0, &ret);
1370                 if (ret)
1371                         return ret;
1372         }
1373         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1374         return (ret);
1375 }
1376
1377 int get_int_from_profile(char **types, const char *opt, int def_val)
1378 {
1379         int ret;
1380         char **cpp;
1381
1382         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1383         for (cpp = types; *cpp; cpp++)
1384                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1385         return ret;
1386 }
1387
1388 static unsigned int get_uint_from_profile(char **types, const char *opt,
1389                                         unsigned int def_val)
1390 {
1391         unsigned int ret;
1392         char **cpp;
1393
1394         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1395         for (cpp = types; *cpp; cpp++)
1396                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1397         return ret;
1398 }
1399
1400 static double get_double_from_profile(char **types, const char *opt,
1401                                       double def_val)
1402 {
1403         double ret;
1404         char **cpp;
1405
1406         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1407         for (cpp = types; *cpp; cpp++)
1408                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1409         return ret;
1410 }
1411
1412 int get_bool_from_profile(char **types, const char *opt, int def_val)
1413 {
1414         int ret;
1415         char **cpp;
1416
1417         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1418         for (cpp = types; *cpp; cpp++)
1419                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1420         return ret;
1421 }
1422
1423 extern const char *mke2fs_default_profile;
1424 static const char *default_files[] = { "<default>", 0 };
1425
1426 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1427 /*
1428  * Sets the geometry of a device (stripe/stride), and returns the
1429  * device's alignment offset, if any, or a negative error.
1430  */
1431 static int get_device_geometry(const char *file,
1432                                struct ext2_super_block *param,
1433                                unsigned int psector_size)
1434 {
1435         int rc = -1;
1436         unsigned int blocksize;
1437         blkid_probe pr;
1438         blkid_topology tp;
1439         unsigned long min_io;
1440         unsigned long opt_io;
1441         struct stat statbuf;
1442
1443         /* Nothing to do for a regular file */
1444         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1445                 return 0;
1446
1447         pr = blkid_new_probe_from_filename(file);
1448         if (!pr)
1449                 goto out;
1450
1451         tp = blkid_probe_get_topology(pr);
1452         if (!tp)
1453                 goto out;
1454
1455         min_io = blkid_topology_get_minimum_io_size(tp);
1456         opt_io = blkid_topology_get_optimal_io_size(tp);
1457         blocksize = EXT2_BLOCK_SIZE(param);
1458         if ((min_io == 0) && (psector_size > blocksize))
1459                 min_io = psector_size;
1460         if ((opt_io == 0) && min_io)
1461                 opt_io = min_io;
1462         if ((opt_io == 0) && (psector_size > blocksize))
1463                 opt_io = psector_size;
1464
1465         /* setting stripe/stride to blocksize is pointless */
1466         if (min_io > blocksize)
1467                 param->s_raid_stride = min_io / blocksize;
1468         if (opt_io > blocksize)
1469                 param->s_raid_stripe_width = opt_io / blocksize;
1470
1471         rc = blkid_topology_get_alignment_offset(tp);
1472 out:
1473         blkid_free_probe(pr);
1474         return rc;
1475 }
1476 #endif
1477
1478 static void PRS(int argc, char *argv[])
1479 {
1480         int             b, c, flags;
1481         int             cluster_size = 0;
1482         char            *tmp, **cpp;
1483         int             explicit_fssize = 0;
1484         int             blocksize = 0;
1485         int             inode_ratio = 0;
1486         int             inode_size = 0;
1487         unsigned long   flex_bg_size = 0;
1488         double          reserved_ratio = -1.0;
1489         int             lsector_size = 0, psector_size = 0;
1490         int             show_version_only = 0, is_device = 0;
1491         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1492         errcode_t       retval;
1493         char *          oldpath = getenv("PATH");
1494         char *          extended_opts = 0;
1495         char *          fs_type = 0;
1496         char *          usage_types = 0;
1497         /*
1498          * NOTE: A few words about fs_blocks_count and blocksize:
1499          *
1500          * Initially, blocksize is set to zero, which implies 1024.
1501          * If -b is specified, blocksize is updated to the user's value.
1502          *
1503          * Next, the device size or the user's "blocks" command line argument
1504          * is used to set fs_blocks_count; the units are blocksize.
1505          *
1506          * Later, if blocksize hasn't been set and the profile specifies a
1507          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1508          * appropriately.  Note the change in units!
1509          *
1510          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1511          */
1512         blk64_t         fs_blocks_count = 0;
1513         long            sysval;
1514         int             s_opt = -1, r_opt = -1;
1515         char            *fs_features = 0;
1516         int             fs_features_size = 0;
1517         int             use_bsize;
1518         char            *newpath;
1519         int             pathlen = sizeof(PATH_SET) + 1;
1520
1521         if (oldpath)
1522                 pathlen += strlen(oldpath);
1523         newpath = malloc(pathlen);
1524         if (!newpath) {
1525                 fprintf(stderr, "%s",
1526                         _("Couldn't allocate memory for new PATH.\n"));
1527                 exit(1);
1528         }
1529         strcpy(newpath, PATH_SET);
1530
1531         /* Update our PATH to include /sbin  */
1532         if (oldpath) {
1533                 strcat (newpath, ":");
1534                 strcat (newpath, oldpath);
1535         }
1536         putenv (newpath);
1537
1538         /* Determine the system page size if possible */
1539 #ifdef HAVE_SYSCONF
1540 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1541 #define _SC_PAGESIZE _SC_PAGE_SIZE
1542 #endif
1543 #ifdef _SC_PAGESIZE
1544         sysval = sysconf(_SC_PAGESIZE);
1545         if (sysval > 0)
1546                 sys_page_size = sysval;
1547 #endif /* _SC_PAGESIZE */
1548 #endif /* HAVE_SYSCONF */
1549
1550         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1551                 config_fn[0] = tmp;
1552         profile_set_syntax_err_cb(syntax_err_report);
1553         retval = profile_init(config_fn, &profile);
1554         if (retval == ENOENT) {
1555                 retval = profile_init(default_files, &profile);
1556                 if (retval)
1557                         goto profile_error;
1558                 retval = profile_set_default(profile, mke2fs_default_profile);
1559                 if (retval)
1560                         goto profile_error;
1561         } else if (retval) {
1562 profile_error:
1563                 fprintf(stderr, _("Couldn't init profile successfully"
1564                                   " (error: %ld).\n"), retval);
1565                 exit(1);
1566         }
1567
1568         setbuf(stdout, NULL);
1569         setbuf(stderr, NULL);
1570         add_error_table(&et_ext2_error_table);
1571         add_error_table(&et_prof_error_table);
1572         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1573         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1574
1575         if (is_before_linux_ver(2, 2, 0))
1576                 fs_param.s_rev_level = 0;
1577
1578         if (argc && *argv) {
1579                 program_name = get_progname(*argv);
1580
1581                 /* If called as mkfs.ext3, create a journal inode */
1582                 if (!strcmp(program_name, "mkfs.ext3") ||
1583                     !strcmp(program_name, "mke3fs"))
1584                         journal_size = -1;
1585         }
1586
1587         while ((c = getopt (argc, argv,
1588                     "b:cd:e:g:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:Vz:")) != EOF) {
1589                 switch (c) {
1590                 case 'b':
1591                         blocksize = parse_num_blocks2(optarg, -1);
1592                         b = (blocksize > 0) ? blocksize : -blocksize;
1593                         if (b < EXT2_MIN_BLOCK_SIZE ||
1594                             b > EXT2_MAX_BLOCK_SIZE) {
1595                                 com_err(program_name, 0,
1596                                         _("invalid block size - %s"), optarg);
1597                                 exit(1);
1598                         }
1599                         if (blocksize > 4096)
1600                                 fprintf(stderr, _("Warning: blocksize %d not "
1601                                                   "usable on most systems.\n"),
1602                                         blocksize);
1603                         if (blocksize > 0)
1604                                 fs_param.s_log_block_size =
1605                                         int_log2(blocksize >>
1606                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1607                         break;
1608                 case 'c':       /* Check for bad blocks */
1609                         cflag++;
1610                         break;
1611                 case 'C':
1612                         cluster_size = parse_num_blocks2(optarg, -1);
1613                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1614                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1615                                 com_err(program_name, 0,
1616                                         _("invalid cluster size - %s"),
1617                                         optarg);
1618                                 exit(1);
1619                         }
1620                         break;
1621                 case 'd':
1622                         src_root_dir = optarg;
1623                         break;
1624                 case 'D':
1625                         direct_io = 1;
1626                         break;
1627                 case 'R':
1628                         com_err(program_name, 0, "%s",
1629                                 _("'-R' is deprecated, use '-E' instead"));
1630                         /* fallthrough */
1631                 case 'E':
1632                         extended_opts = optarg;
1633                         break;
1634                 case 'e':
1635                         if (strcmp(optarg, "continue") == 0)
1636                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1637                         else if (strcmp(optarg, "remount-ro") == 0)
1638                                 errors_behavior = EXT2_ERRORS_RO;
1639                         else if (strcmp(optarg, "panic") == 0)
1640                                 errors_behavior = EXT2_ERRORS_PANIC;
1641                         else {
1642                                 com_err(program_name, 0,
1643                                         _("bad error behavior - %s"),
1644                                         optarg);
1645                                 usage();
1646                         }
1647                         break;
1648                 case 'F':
1649                         force++;
1650                         break;
1651                 case 'g':
1652                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1653                         if (*tmp) {
1654                                 com_err(program_name, 0, "%s",
1655                                 _("Illegal number for blocks per group"));
1656                                 exit(1);
1657                         }
1658                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1659                                 com_err(program_name, 0, "%s",
1660                                 _("blocks per group must be multiple of 8"));
1661                                 exit(1);
1662                         }
1663                         break;
1664                 case 'G':
1665                         flex_bg_size = strtoul(optarg, &tmp, 0);
1666                         if (*tmp) {
1667                                 com_err(program_name, 0, "%s",
1668                                         _("Illegal number for flex_bg size"));
1669                                 exit(1);
1670                         }
1671                         if (flex_bg_size < 1 ||
1672                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1673                                 com_err(program_name, 0, "%s",
1674                                         _("flex_bg size must be a power of 2"));
1675                                 exit(1);
1676                         }
1677                         if (flex_bg_size > MAX_32_NUM) {
1678                                 com_err(program_name, 0,
1679                                 _("flex_bg size (%lu) must be less than"
1680                                 " or equal to 2^31"), flex_bg_size);
1681                                 exit(1);
1682                         }
1683                         break;
1684                 case 'i':
1685                         inode_ratio = parse_num_blocks(optarg, -1);
1686                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1687                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1688                                 com_err(program_name, 0,
1689                                         _("invalid inode ratio %s (min %d/max %d)"),
1690                                         optarg, EXT2_MIN_BLOCK_SIZE,
1691                                         EXT2_MAX_BLOCK_SIZE * 1024);
1692                                 exit(1);
1693                         }
1694                         break;
1695                 case 'I':
1696                         inode_size = strtoul(optarg, &tmp, 0);
1697                         if (*tmp) {
1698                                 com_err(program_name, 0,
1699                                         _("invalid inode size - %s"), optarg);
1700                                 exit(1);
1701                         }
1702                         break;
1703                 case 'j':
1704                         if (!journal_size)
1705                                 journal_size = -1;
1706                         break;
1707                 case 'J':
1708                         parse_journal_opts(optarg);
1709                         break;
1710                 case 'K':
1711                         fprintf(stderr, "%s",
1712                                 _("Warning: -K option is deprecated and "
1713                                   "should not be used anymore. Use "
1714                                   "\'-E nodiscard\' extended option "
1715                                   "instead!\n"));
1716                         discard = 0;
1717                         break;
1718                 case 'l':
1719                         bad_blocks_filename = realloc(bad_blocks_filename,
1720                                                       strlen(optarg) + 1);
1721                         if (!bad_blocks_filename) {
1722                                 com_err(program_name, ENOMEM, "%s",
1723                                         _("in malloc for bad_blocks_filename"));
1724                                 exit(1);
1725                         }
1726                         strcpy(bad_blocks_filename, optarg);
1727                         break;
1728                 case 'L':
1729                         volume_label = optarg;
1730                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1731                                 volume_label[EXT2_LABEL_LEN] = '\0';
1732                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1733                                         volume_label);
1734                         }
1735                         break;
1736                 case 'm':
1737                         reserved_ratio = strtod(optarg, &tmp);
1738                         if ( *tmp || reserved_ratio > 50 ||
1739                              reserved_ratio < 0) {
1740                                 com_err(program_name, 0,
1741                                         _("invalid reserved blocks percent - %s"),
1742                                         optarg);
1743                                 exit(1);
1744                         }
1745                         break;
1746                 case 'M':
1747                         mount_dir = optarg;
1748                         break;
1749                 case 'n':
1750                         noaction++;
1751                         break;
1752                 case 'N':
1753                         num_inodes = strtoul(optarg, &tmp, 0);
1754                         if (*tmp) {
1755                                 com_err(program_name, 0,
1756                                         _("bad num inodes - %s"), optarg);
1757                                         exit(1);
1758                         }
1759                         break;
1760                 case 'o':
1761                         creator_os = optarg;
1762                         break;
1763                 case 'O':
1764                         retval = ext2fs_resize_mem(fs_features_size,
1765                                    fs_features_size + 1 + strlen(optarg),
1766                                                    &fs_features);
1767                         if (retval) {
1768                                 com_err(program_name, retval,
1769                                      _("while allocating fs_feature string"));
1770                                 exit(1);
1771                         }
1772                         if (fs_features_size)
1773                                 strcat(fs_features, ",");
1774                         else
1775                                 fs_features[0] = 0;
1776                         strcat(fs_features, optarg);
1777                         fs_features_size += 1 + strlen(optarg);
1778                         break;
1779                 case 'q':
1780                         quiet = 1;
1781                         break;
1782                 case 'r':
1783                         r_opt = strtoul(optarg, &tmp, 0);
1784                         if (*tmp) {
1785                                 com_err(program_name, 0,
1786                                         _("bad revision level - %s"), optarg);
1787                                 exit(1);
1788                         }
1789                         if (r_opt > EXT2_MAX_SUPP_REV) {
1790                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1791                                         _("while trying to create revision %d"), r_opt);
1792                                 exit(1);
1793                         }
1794                         fs_param.s_rev_level = r_opt;
1795                         break;
1796                 case 's':       /* deprecated */
1797                         s_opt = atoi(optarg);
1798                         break;
1799                 case 'S':
1800                         super_only = 1;
1801                         break;
1802                 case 't':
1803                         if (fs_type) {
1804                                 com_err(program_name, 0, "%s",
1805                                     _("The -t option may only be used once"));
1806                                 exit(1);
1807                         }
1808                         fs_type = strdup(optarg);
1809                         break;
1810                 case 'T':
1811                         if (usage_types) {
1812                                 com_err(program_name, 0, "%s",
1813                                     _("The -T option may only be used once"));
1814                                 exit(1);
1815                         }
1816                         usage_types = strdup(optarg);
1817                         break;
1818                 case 'U':
1819                         fs_uuid = optarg;
1820                         break;
1821                 case 'v':
1822                         verbose = 1;
1823                         break;
1824                 case 'V':
1825                         /* Print version number and exit */
1826                         show_version_only++;
1827                         break;
1828                 case 'z':
1829                         undo_file = optarg;
1830                         break;
1831                 default:
1832                         usage();
1833                 }
1834         }
1835         if ((optind == argc) && !show_version_only)
1836                 usage();
1837         device_name = argv[optind++];
1838
1839         if (!quiet || show_version_only)
1840                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1841                          E2FSPROGS_DATE);
1842
1843         if (show_version_only) {
1844                 fprintf(stderr, _("\tUsing %s\n"),
1845                         error_message(EXT2_ET_BASE));
1846                 exit(0);
1847         }
1848
1849         /*
1850          * If there's no blocksize specified and there is a journal
1851          * device, use it to figure out the blocksize
1852          */
1853         if (blocksize <= 0 && journal_device) {
1854                 ext2_filsys     jfs;
1855                 io_manager      io_ptr;
1856
1857 #ifdef CONFIG_TESTIO_DEBUG
1858                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1859                         io_ptr = test_io_manager;
1860                         test_io_backing_manager = unix_io_manager;
1861                 } else
1862 #endif
1863                         io_ptr = unix_io_manager;
1864                 retval = ext2fs_open(journal_device,
1865                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1866                                      0, io_ptr, &jfs);
1867                 if (retval) {
1868                         com_err(program_name, retval,
1869                                 _("while trying to open journal device %s\n"),
1870                                 journal_device);
1871                         exit(1);
1872                 }
1873                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1874                         com_err(program_name, 0,
1875                                 _("Journal dev blocksize (%d) smaller than "
1876                                   "minimum blocksize %d\n"), jfs->blocksize,
1877                                 -blocksize);
1878                         exit(1);
1879                 }
1880                 blocksize = jfs->blocksize;
1881                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1882                 fs_param.s_log_block_size =
1883                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1884                 ext2fs_close_free(&jfs);
1885         }
1886
1887         if (optind < argc) {
1888                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1889                                                    fs_param.s_log_block_size);
1890                 if (!fs_blocks_count) {
1891                         com_err(program_name, 0,
1892                                 _("invalid blocks '%s' on device '%s'"),
1893                                 argv[optind - 1], device_name);
1894                         exit(1);
1895                 }
1896         }
1897         if (optind < argc)
1898                 usage();
1899
1900         profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1901                             &sync_kludge);
1902         tmp = getenv("MKE2FS_SYNC");
1903         if (tmp)
1904                 sync_kludge = atoi(tmp);
1905
1906         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1907                             &proceed_delay);
1908
1909         /* The isatty() test is so we don't break existing scripts */
1910         flags = CREATE_FILE;
1911         if (isatty(0) && isatty(1) && !offset)
1912                 flags |= CHECK_FS_EXIST;
1913         if (!quiet)
1914                 flags |= VERBOSE_CREATE;
1915         if (fs_blocks_count == 0)
1916                 flags |= NO_SIZE;
1917         else
1918                 explicit_fssize = 1;
1919         if (!check_plausibility(device_name, flags, &is_device) && !force)
1920                 proceed_question(proceed_delay);
1921
1922         check_mount(device_name, force, _("filesystem"));
1923
1924         /* Determine the size of the device (if possible) */
1925         if (noaction && fs_blocks_count) {
1926                 dev_size = fs_blocks_count;
1927                 retval = 0;
1928         } else
1929 #ifndef _WIN32
1930                 retval = ext2fs_get_device_size2(device_name,
1931                                                  EXT2_BLOCK_SIZE(&fs_param),
1932                                                  &dev_size);
1933 #else
1934                 retval = ext2fs_get_device_size(device_name,
1935                                                 EXT2_BLOCK_SIZE(&fs_param),
1936                                                 &dev_size);
1937 #endif
1938         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1939                 com_err(program_name, retval, "%s",
1940                         _("while trying to determine filesystem size"));
1941                 exit(1);
1942         }
1943         if (!fs_blocks_count) {
1944                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1945                         com_err(program_name, 0, "%s",
1946                                 _("Couldn't determine device size; you "
1947                                 "must specify\nthe size of the "
1948                                 "filesystem\n"));
1949                         exit(1);
1950                 } else {
1951                         if (dev_size == 0) {
1952                                 com_err(program_name, 0, "%s",
1953                                 _("Device size reported to be zero.  "
1954                                   "Invalid partition specified, or\n\t"
1955                                   "partition table wasn't reread "
1956                                   "after running fdisk, due to\n\t"
1957                                   "a modified partition being busy "
1958                                   "and in use.  You may need to reboot\n\t"
1959                                   "to re-read your partition table.\n"
1960                                   ));
1961                                 exit(1);
1962                         }
1963                         fs_blocks_count = dev_size;
1964                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1965                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1966                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1967                 }
1968         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1969                 com_err(program_name, 0, "%s",
1970                         _("Filesystem larger than apparent device size."));
1971                 proceed_question(proceed_delay);
1972         }
1973
1974         if (!fs_type)
1975                 profile_get_string(profile, "devices", device_name,
1976                                    "fs_type", 0, &fs_type);
1977         if (!usage_types)
1978                 profile_get_string(profile, "devices", device_name,
1979                                    "usage_types", 0, &usage_types);
1980
1981         /*
1982          * We have the file system (or device) size, so we can now
1983          * determine the appropriate file system types so the fs can
1984          * be appropriately configured.
1985          */
1986         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1987                                  fs_blocks_count ? fs_blocks_count : dev_size,
1988                                  argv[0]);
1989         if (!fs_types) {
1990                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1991                 exit(1);
1992         }
1993
1994         /* Figure out what features should be enabled */
1995
1996         tmp = NULL;
1997         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1998                 tmp = get_string_from_profile(fs_types, "base_features",
1999                       "sparse_super,large_file,filetype,resize_inode,dir_index");
2000                 edit_feature(tmp, &fs_param.s_feature_compat);
2001                 free(tmp);
2002
2003                 /* And which mount options as well */
2004                 tmp = get_string_from_profile(fs_types, "default_mntopts",
2005                                               "acl,user_xattr");
2006                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
2007                 if (tmp)
2008                         free(tmp);
2009
2010                 for (cpp = fs_types; *cpp; cpp++) {
2011                         tmp = NULL;
2012                         profile_get_string(profile, "fs_types", *cpp,
2013                                            "features", "", &tmp);
2014                         if (tmp && *tmp)
2015                                 edit_feature(tmp, &fs_param.s_feature_compat);
2016                         if (tmp)
2017                                 free(tmp);
2018                 }
2019                 tmp = get_string_from_profile(fs_types, "default_features",
2020                                               "");
2021         }
2022         /* Mask off features which aren't supported by the Hurd */
2023         if (for_hurd(creator_os)) {
2024                 ext2fs_clear_feature_filetype(&fs_param);
2025                 ext2fs_clear_feature_huge_file(&fs_param);
2026                 ext2fs_clear_feature_metadata_csum(&fs_param);
2027                 ext2fs_clear_feature_ea_inode(&fs_param);
2028         }
2029         edit_feature(fs_features ? fs_features : tmp,
2030                      &fs_param.s_feature_compat);
2031         if (tmp)
2032                 free(tmp);
2033         (void) ext2fs_free_mem(&fs_features);
2034         /*
2035          * If the user specified features incompatible with the Hurd, complain
2036          */
2037         if (for_hurd(creator_os)) {
2038                 if (ext2fs_has_feature_filetype(&fs_param)) {
2039                         fprintf(stderr, "%s", _("The HURD does not support the "
2040                                                 "filetype feature.\n"));
2041                         exit(1);
2042                 }
2043                 if (ext2fs_has_feature_huge_file(&fs_param)) {
2044                         fprintf(stderr, "%s", _("The HURD does not support the "
2045                                                 "huge_file feature.\n"));
2046                         exit(1);
2047                 }
2048                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2049                         fprintf(stderr, "%s", _("The HURD does not support the "
2050                                                 "metadata_csum feature.\n"));
2051                         exit(1);
2052                 }
2053                 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2054                         fprintf(stderr, "%s", _("The HURD does not support the "
2055                                                 "ea_inode feature.\n"));
2056                         exit(1);
2057                 }
2058         }
2059
2060         /* Get the hardware sector sizes, if available */
2061         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2062         if (retval) {
2063                 com_err(program_name, retval, "%s",
2064                         _("while trying to determine hardware sector size"));
2065                 exit(1);
2066         }
2067         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2068         if (retval) {
2069                 com_err(program_name, retval, "%s",
2070                         _("while trying to determine physical sector size"));
2071                 exit(1);
2072         }
2073
2074         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2075         if (tmp != NULL)
2076                 lsector_size = atoi(tmp);
2077         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2078         if (tmp != NULL)
2079                 psector_size = atoi(tmp);
2080
2081         /* Older kernels may not have physical/logical distinction */
2082         if (!psector_size)
2083                 psector_size = lsector_size;
2084
2085         if (blocksize <= 0) {
2086                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2087
2088                 if (use_bsize == -1) {
2089                         use_bsize = sys_page_size;
2090                         if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2091                                 use_bsize = 4096;
2092                 }
2093                 if (lsector_size && use_bsize < lsector_size)
2094                         use_bsize = lsector_size;
2095                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2096                         use_bsize = -blocksize;
2097                 blocksize = use_bsize;
2098                 fs_blocks_count /= (blocksize / 1024);
2099         } else {
2100                 if (blocksize < lsector_size) {                 /* Impossible */
2101                         com_err(program_name, EINVAL, "%s",
2102                                 _("while setting blocksize; too small "
2103                                   "for device\n"));
2104                         exit(1);
2105                 } else if ((blocksize < psector_size) &&
2106                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2107                         fprintf(stderr, _("Warning: specified blocksize %d is "
2108                                 "less than device physical sectorsize %d\n"),
2109                                 blocksize, psector_size);
2110                 }
2111         }
2112
2113         fs_param.s_log_block_size =
2114                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2115
2116         /*
2117          * We now need to do a sanity check of fs_blocks_count for
2118          * 32-bit vs 64-bit block number support.
2119          */
2120         if ((fs_blocks_count > MAX_32_NUM) &&
2121             ext2fs_has_feature_64bit(&fs_param))
2122                 ext2fs_clear_feature_resize_inode(&fs_param);
2123         if ((fs_blocks_count > MAX_32_NUM) &&
2124             !ext2fs_has_feature_64bit(&fs_param) &&
2125             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2126                 ext2fs_set_feature_64bit(&fs_param);
2127                 ext2fs_clear_feature_resize_inode(&fs_param);
2128         }
2129         if ((fs_blocks_count > MAX_32_NUM) &&
2130             !ext2fs_has_feature_64bit(&fs_param)) {
2131                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2132                                   "too big to be expressed\n\t"
2133                                   "in 32 bits using a blocksize of %d.\n"),
2134                         program_name, fs_blocks_count, device_name,
2135                         EXT2_BLOCK_SIZE(&fs_param));
2136                 exit(1);
2137         }
2138         /*
2139          * Guard against group descriptor count overflowing... Mostly to avoid
2140          * strange results for absurdly large devices.
2141          */
2142         if (fs_blocks_count > ((1ULL << (fs_param.s_log_block_size + 3 + 32)) - 1)) {
2143                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2144                                   "too big to create\n\t"
2145                                   "a filesystem using a blocksize of %d.\n"),
2146                         program_name, fs_blocks_count, device_name,
2147                         EXT2_BLOCK_SIZE(&fs_param));
2148                 exit(1);
2149         }
2150
2151         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2152
2153         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2154                 int i;
2155
2156                 for (i=0; fs_types[i]; i++) {
2157                         free(fs_types[i]);
2158                         fs_types[i] = 0;
2159                 }
2160                 fs_types[0] = strdup("journal");
2161                 fs_types[1] = 0;
2162         }
2163
2164         if (verbose) {
2165                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2166                 print_str_list(fs_types);
2167         }
2168
2169         if (r_opt == EXT2_GOOD_OLD_REV &&
2170             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2171              fs_param.s_feature_ro_compat)) {
2172                 fprintf(stderr, "%s", _("Filesystem features not supported "
2173                                         "with revision 0 filesystems\n"));
2174                 exit(1);
2175         }
2176
2177         if (s_opt > 0) {
2178                 if (r_opt == EXT2_GOOD_OLD_REV) {
2179                         fprintf(stderr, "%s",
2180                                 _("Sparse superblocks not supported "
2181                                   "with revision 0 filesystems\n"));
2182                         exit(1);
2183                 }
2184                 ext2fs_set_feature_sparse_super(&fs_param);
2185         } else if (s_opt == 0)
2186                 ext2fs_clear_feature_sparse_super(&fs_param);
2187
2188         if (journal_size != 0) {
2189                 if (r_opt == EXT2_GOOD_OLD_REV) {
2190                         fprintf(stderr, "%s", _("Journals not supported with "
2191                                                 "revision 0 filesystems\n"));
2192                         exit(1);
2193                 }
2194                 ext2fs_set_feature_journal(&fs_param);
2195         }
2196
2197         /* Get reserved_ratio from profile if not specified on cmd line. */
2198         if (reserved_ratio < 0.0) {
2199                 reserved_ratio = get_double_from_profile(
2200                                         fs_types, "reserved_ratio", 5.0);
2201                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2202                         com_err(program_name, 0,
2203                                 _("invalid reserved blocks percent - %lf"),
2204                                 reserved_ratio);
2205                         exit(1);
2206                 }
2207         }
2208
2209         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2210                 reserved_ratio = 0;
2211                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2212                 fs_param.s_feature_compat = 0;
2213                 fs_param.s_feature_ro_compat &=
2214                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2215         }
2216
2217         /* Check the user's mkfs options for 64bit */
2218         if (ext2fs_has_feature_64bit(&fs_param) &&
2219             !ext2fs_has_feature_extents(&fs_param)) {
2220                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2221                                "filesystem.  Pass -O extents to rectify.\n"));
2222                 exit(1);
2223         }
2224
2225         /* Set first meta blockgroup via an environment variable */
2226         /* (this is mostly for debugging purposes) */
2227         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2228             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2229                 fs_param.s_first_meta_bg = atoi(tmp);
2230         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2231                 if (!cluster_size)
2232                         cluster_size = get_int_from_profile(fs_types,
2233                                                             "cluster_size",
2234                                                             blocksize*16);
2235                 fs_param.s_log_cluster_size =
2236                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2237                 if (fs_param.s_log_cluster_size &&
2238                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2239                         com_err(program_name, 0, "%s",
2240                                 _("The cluster size may not be "
2241                                   "smaller than the block size.\n"));
2242                         exit(1);
2243                 }
2244         } else if (cluster_size) {
2245                 com_err(program_name, 0, "%s",
2246                         _("specifying a cluster size requires the "
2247                           "bigalloc feature"));
2248                 exit(1);
2249         } else
2250                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2251
2252         if (inode_ratio == 0) {
2253                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2254                                                    8192);
2255                 if (inode_ratio < blocksize)
2256                         inode_ratio = blocksize;
2257                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2258                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2259         }
2260
2261 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2262         retval = get_device_geometry(device_name, &fs_param,
2263                                      (unsigned int) psector_size);
2264         if (retval < 0) {
2265                 fprintf(stderr,
2266                         _("warning: Unable to get device geometry for %s\n"),
2267                         device_name);
2268         } else if (retval) {
2269                 printf(_("%s alignment is offset by %lu bytes.\n"),
2270                        device_name, retval);
2271                 printf(_("This may result in very poor performance, "
2272                           "(re)-partitioning suggested.\n"));
2273         }
2274 #endif
2275
2276         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2277
2278         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2279
2280         /*
2281          * Initialize s_desc_size so that the parse_extended_opts()
2282          * can correctly handle "-E resize=NNN" if the 64-bit option
2283          * is set.
2284          */
2285         if (ext2fs_has_feature_64bit(&fs_param))
2286                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2287
2288         /* This check should happen beyond the last assignment to blocksize */
2289         if (blocksize > sys_page_size) {
2290                 if (!force) {
2291                         com_err(program_name, 0,
2292                                 _("%d-byte blocks too big for system (max %d)"),
2293                                 blocksize, sys_page_size);
2294                         proceed_question(proceed_delay);
2295                 }
2296                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2297                                   "(max %d), forced to continue\n"),
2298                         blocksize, sys_page_size);
2299         }
2300
2301         /* Metadata checksumming wasn't totally stable before 3.18. */
2302         if (is_before_linux_ver(3, 18, 0) &&
2303             ext2fs_has_feature_metadata_csum(&fs_param))
2304                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2305                         "improved stability of the metadata and journal "
2306                         "checksum features.\n"));
2307
2308         /*
2309          * On newer kernels we do have lazy_itable_init support. So pick the
2310          * right default in case ext4 module is not loaded.
2311          */
2312         if (is_before_linux_ver(2, 6, 37))
2313                 lazy_itable_init = 0;
2314         else
2315                 lazy_itable_init = 1;
2316
2317         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2318                 lazy_itable_init = 1;
2319
2320         lazy_itable_init = get_bool_from_profile(fs_types,
2321                                                  "lazy_itable_init",
2322                                                  lazy_itable_init);
2323         discard = get_bool_from_profile(fs_types, "discard" , discard);
2324         journal_flags |= get_bool_from_profile(fs_types,
2325                                                "lazy_journal_init", 0) ?
2326                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2327         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2328
2329         if (!journal_location_string)
2330                 journal_location_string = get_string_from_profile(fs_types,
2331                                                 "journal_location", "");
2332         if ((journal_location == ~0ULL) && journal_location_string &&
2333             *journal_location_string)
2334                 journal_location = parse_num_blocks2(journal_location_string,
2335                                                 fs_param.s_log_block_size);
2336         free(journal_location_string);
2337
2338         packed_meta_blocks = get_bool_from_profile(fs_types,
2339                                                    "packed_meta_blocks", 0);
2340         if (packed_meta_blocks)
2341                 journal_location = 0;
2342
2343         /* Get options from profile */
2344         for (cpp = fs_types; *cpp; cpp++) {
2345                 tmp = NULL;
2346                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2347                         if (tmp && *tmp)
2348                                 parse_extended_opts(&fs_param, tmp);
2349                         free(tmp);
2350         }
2351
2352         if (extended_opts)
2353                 parse_extended_opts(&fs_param, extended_opts);
2354
2355         if (explicit_fssize == 0 && offset > 0) {
2356                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2357                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2358                 fprintf(stderr,
2359                         _("\nWarning: offset specified without an "
2360                           "explicit file system size.\n"
2361                           "Creating a file system with %llu blocks "
2362                           "but this might\n"
2363                           "not be what you want.\n\n"),
2364                         (unsigned long long) fs_blocks_count);
2365         }
2366
2367         if (quotatype_bits & QUOTA_PRJ_BIT)
2368                 ext2fs_set_feature_project(&fs_param);
2369
2370         if (ext2fs_has_feature_project(&fs_param)) {
2371                 quotatype_bits |= QUOTA_PRJ_BIT;
2372                 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2373                         com_err(program_name, 0,
2374                                 _("%d byte inodes are too small for "
2375                                   "project quota"),
2376                                 inode_size);
2377                         exit(1);
2378                 }
2379                 if (inode_size == 0) {
2380                         inode_size = get_int_from_profile(fs_types,
2381                                                           "inode_size", 0);
2382                         if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2383                                 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2384                 }
2385         }
2386
2387         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2388         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2389             ext2fs_has_feature_gdt_csum(&fs_param))
2390                 ext2fs_clear_feature_gdt_csum(&fs_param);
2391
2392         /* Can't support bigalloc feature without extents feature */
2393         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2394             !ext2fs_has_feature_extents(&fs_param)) {
2395                 com_err(program_name, 0, "%s",
2396                         _("Can't support bigalloc feature without "
2397                           "extents feature"));
2398                 exit(1);
2399         }
2400
2401         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2402             ext2fs_has_feature_resize_inode(&fs_param)) {
2403                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2404                                         "features are not compatible.\n"
2405                                         "They can not be both enabled "
2406                                         "simultaneously.\n"));
2407                 exit(1);
2408         }
2409
2410         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2411                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2412                                   "still under development\n"
2413                                   "See https://ext4.wiki.kernel.org/"
2414                                   "index.php/Bigalloc for more information\n\n"));
2415
2416         /*
2417          * Since sparse_super is the default, we would only have a problem
2418          * here if it was explicitly disabled.
2419          */
2420         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2421             !ext2fs_has_feature_sparse_super(&fs_param)) {
2422                 com_err(program_name, 0, "%s",
2423                         _("reserved online resize blocks not supported "
2424                           "on non-sparse filesystem"));
2425                 exit(1);
2426         }
2427
2428         if (fs_param.s_blocks_per_group) {
2429                 if (fs_param.s_blocks_per_group < 256 ||
2430                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2431                         com_err(program_name, 0, "%s",
2432                                 _("blocks per group count out of range"));
2433                         exit(1);
2434                 }
2435         }
2436
2437         /*
2438          * If the bigalloc feature is enabled, then the -g option will
2439          * specify the number of clusters per group.
2440          */
2441         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2442                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2443                 fs_param.s_blocks_per_group = 0;
2444         }
2445
2446         if (inode_size == 0)
2447                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2448         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2449                 flex_bg_size = get_uint_from_profile(fs_types,
2450                                                      "flex_bg_size", 16);
2451         if (flex_bg_size) {
2452                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2453                         com_err(program_name, 0, "%s",
2454                                 _("Flex_bg feature not enabled, so "
2455                                   "flex_bg size may not be specified"));
2456                         exit(1);
2457                 }
2458                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2459         }
2460
2461         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2462                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2463                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2464                     inode_size & (inode_size - 1)) {
2465                         com_err(program_name, 0,
2466                                 _("invalid inode size %d (min %d/max %d)"),
2467                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2468                                 blocksize);
2469                         exit(1);
2470                 }
2471                 fs_param.s_inode_size = inode_size;
2472         }
2473
2474         /*
2475          * If inode size is 128 and inline data is enabled, we need
2476          * to notify users that inline data will never be useful.
2477          */
2478         if (ext2fs_has_feature_inline_data(&fs_param) &&
2479             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2480                 com_err(program_name, 0,
2481                         _("%d byte inodes are too small for inline data; "
2482                           "specify larger size"),
2483                         fs_param.s_inode_size);
2484                 exit(1);
2485         }
2486
2487         /* Make sure number of inodes specified will fit in 32 bits */
2488         if (num_inodes == 0) {
2489                 unsigned long long n;
2490                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2491                 if (n > MAX_32_NUM) {
2492                         if (ext2fs_has_feature_64bit(&fs_param))
2493                                 num_inodes = MAX_32_NUM;
2494                         else {
2495                                 com_err(program_name, 0,
2496                                         _("too many inodes (%llu), raise "
2497                                           "inode ratio?"), n);
2498                                 exit(1);
2499                         }
2500                 }
2501         } else if (num_inodes > MAX_32_NUM) {
2502                 com_err(program_name, 0,
2503                         _("too many inodes (%llu), specify < 2^32 inodes"),
2504                           num_inodes);
2505                 exit(1);
2506         }
2507         /*
2508          * Calculate number of inodes based on the inode ratio
2509          */
2510         fs_param.s_inodes_count = num_inodes ? num_inodes :
2511                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2512
2513         if ((((unsigned long long)fs_param.s_inodes_count) *
2514              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2515             ((ext2fs_blocks_count(&fs_param)) *
2516              EXT2_BLOCK_SIZE(&fs_param))) {
2517                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2518                                           "(%u) too big for a\n\t"
2519                                           "filesystem with %llu blocks, "
2520                                           "specify higher inode_ratio (-i)\n\t"
2521                                           "or lower inode count (-N).\n"),
2522                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2523                         fs_param.s_inodes_count,
2524                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2525                 exit(1);
2526         }
2527
2528         /*
2529          * Calculate number of blocks to reserve
2530          */
2531         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2532                                   ext2fs_blocks_count(&fs_param) / 100.0);
2533
2534         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2535                 if (num_backups >= 1)
2536                         fs_param.s_backup_bgs[0] = 1;
2537                 if (num_backups >= 2)
2538                         fs_param.s_backup_bgs[1] = ~0;
2539         }
2540
2541         free(fs_type);
2542         free(usage_types);
2543 }
2544
2545 static int should_do_undo(const char *name)
2546 {
2547         errcode_t retval;
2548         io_channel channel;
2549         __u16   s_magic;
2550         struct ext2_super_block super;
2551         io_manager manager = unix_io_manager;
2552         int csum_flag, force_undo;
2553
2554         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2555                     ext2fs_has_feature_gdt_csum(&fs_param);
2556         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2557         if (!force_undo && (!csum_flag || !lazy_itable_init))
2558                 return 0;
2559
2560         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2561         if (retval) {
2562                 /*
2563                  * We don't handle error cases instead we
2564                  * declare that the file system doesn't exist
2565                  * and let the rest of mke2fs take care of
2566                  * error
2567                  */
2568                 retval = 0;
2569                 goto open_err_out;
2570         }
2571
2572         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2573         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2574         if (retval) {
2575                 retval = 0;
2576                 goto err_out;
2577         }
2578
2579 #if defined(WORDS_BIGENDIAN)
2580         s_magic = ext2fs_swab16(super.s_magic);
2581 #else
2582         s_magic = super.s_magic;
2583 #endif
2584
2585         if (s_magic == EXT2_SUPER_MAGIC)
2586                 retval = 1;
2587
2588 err_out:
2589         io_channel_close(channel);
2590
2591 open_err_out:
2592
2593         return retval;
2594 }
2595
2596 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2597 {
2598         errcode_t retval = ENOMEM;
2599         char *tdb_dir = NULL, *tdb_file = NULL;
2600         char *dev_name, *tmp_name;
2601         int free_tdb_dir = 0;
2602
2603         /* (re)open a specific undo file */
2604         if (undo_file && undo_file[0] != 0) {
2605                 retval = set_undo_io_backing_manager(*io_ptr);
2606                 if (retval)
2607                         goto err;
2608                 *io_ptr = undo_io_manager;
2609                 retval = set_undo_io_backup_file(undo_file);
2610                 if (retval)
2611                         goto err;
2612                 printf(_("Overwriting existing filesystem; this can be undone "
2613                          "using the command:\n"
2614                          "    e2undo %s %s\n\n"), undo_file, name);
2615                 return retval;
2616         }
2617
2618         /*
2619          * Configuration via a conf file would be
2620          * nice
2621          */
2622         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2623         if (!tdb_dir) {
2624                 profile_get_string(profile, "defaults",
2625                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2626                                    &tdb_dir);
2627                 free_tdb_dir = 1;
2628         }
2629
2630         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2631             access(tdb_dir, W_OK)) {
2632                 if (free_tdb_dir)
2633                         free(tdb_dir);
2634                 return 0;
2635         }
2636
2637         tmp_name = strdup(name);
2638         if (!tmp_name)
2639                 goto errout;
2640         dev_name = basename(tmp_name);
2641         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2642         if (!tdb_file) {
2643                 free(tmp_name);
2644                 goto errout;
2645         }
2646         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2647         free(tmp_name);
2648
2649         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2650                 retval = errno;
2651                 com_err(program_name, retval,
2652                         _("while trying to delete %s"), tdb_file);
2653                 goto errout;
2654         }
2655
2656         retval = set_undo_io_backing_manager(*io_ptr);
2657         if (retval)
2658                 goto errout;
2659         *io_ptr = undo_io_manager;
2660         retval = set_undo_io_backup_file(tdb_file);
2661         if (retval)
2662                 goto errout;
2663         printf(_("Overwriting existing filesystem; this can be undone "
2664                  "using the command:\n"
2665                  "    e2undo %s %s\n\n"), tdb_file, name);
2666
2667         if (free_tdb_dir)
2668                 free(tdb_dir);
2669         free(tdb_file);
2670         return 0;
2671
2672 errout:
2673         if (free_tdb_dir)
2674                 free(tdb_dir);
2675         free(tdb_file);
2676 err:
2677         com_err(program_name, retval, "%s",
2678                 _("while trying to setup undo file\n"));
2679         return retval;
2680 }
2681
2682 static int mke2fs_discard_device(ext2_filsys fs)
2683 {
2684         struct ext2fs_numeric_progress_struct progress;
2685         blk64_t blocks = ext2fs_blocks_count(fs->super);
2686         blk64_t count = DISCARD_STEP_MB;
2687         blk64_t cur;
2688         int retval = 0;
2689
2690         /*
2691          * Let's try if discard really works on the device, so
2692          * we do not print numeric progress resulting in failure
2693          * afterwards.
2694          */
2695         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2696         if (retval)
2697                 return retval;
2698         cur = fs->blocksize;
2699
2700         count *= (1024 * 1024);
2701         count /= fs->blocksize;
2702
2703         ext2fs_numeric_progress_init(fs, &progress,
2704                                      _("Discarding device blocks: "),
2705                                      blocks);
2706         while (cur < blocks) {
2707                 ext2fs_numeric_progress_update(fs, &progress, cur);
2708
2709                 if (cur + count > blocks)
2710                         count = blocks - cur;
2711
2712                 retval = io_channel_discard(fs->io, cur, count);
2713                 if (retval)
2714                         break;
2715                 cur += count;
2716         }
2717
2718         if (retval) {
2719                 ext2fs_numeric_progress_close(fs, &progress,
2720                                       _("failed - "));
2721                 if (!quiet)
2722                         printf("%s\n",error_message(retval));
2723         } else
2724                 ext2fs_numeric_progress_close(fs, &progress,
2725                                       _("done                            \n"));
2726
2727         return retval;
2728 }
2729
2730 static void fix_cluster_bg_counts(ext2_filsys fs)
2731 {
2732         blk64_t         block, num_blocks, last_block, next;
2733         blk64_t         tot_free = 0;
2734         errcode_t       retval;
2735         dgrp_t          group = 0;
2736         int             grp_free = 0;
2737
2738         num_blocks = ext2fs_blocks_count(fs->super);
2739         last_block = ext2fs_group_last_block2(fs, group);
2740         block = fs->super->s_first_data_block;
2741         while (block < num_blocks) {
2742                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2743                                                 block, last_block, &next);
2744                 if (retval == 0)
2745                         block = next;
2746                 else {
2747                         block = last_block + 1;
2748                         goto next_bg;
2749                 }
2750
2751                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2752                                                 block, last_block, &next);
2753                 if (retval)
2754                         next = last_block + 1;
2755                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2756                 tot_free += next - block;
2757                 block = next;
2758
2759                 if (block > last_block) {
2760                 next_bg:
2761                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2762                         ext2fs_group_desc_csum_set(fs, group);
2763                         grp_free = 0;
2764                         group++;
2765                         last_block = ext2fs_group_last_block2(fs, group);
2766                 }
2767         }
2768         ext2fs_free_blocks_count_set(fs->super, tot_free);
2769 }
2770
2771 static int create_quota_inodes(ext2_filsys fs)
2772 {
2773         quota_ctx_t qctx;
2774         errcode_t retval;
2775
2776         retval = quota_init_context(&qctx, fs, quotatype_bits);
2777         if (retval) {
2778                 com_err(program_name, retval,
2779                         _("while initializing quota context"));
2780                 exit(1);
2781         }
2782         quota_compute_usage(qctx);
2783         retval = quota_write_inode(qctx, quotatype_bits);
2784         if (retval) {
2785                 com_err(program_name, retval,
2786                         _("while writing quota inodes"));
2787                 exit(1);
2788         }
2789         quota_release_context(&qctx);
2790
2791         return 0;
2792 }
2793
2794 static errcode_t set_error_behavior(ext2_filsys fs)
2795 {
2796         char    *arg = NULL;
2797         short   errors = fs->super->s_errors;
2798
2799         arg = get_string_from_profile(fs_types, "errors", NULL);
2800         if (arg == NULL)
2801                 goto try_user;
2802
2803         if (strcmp(arg, "continue") == 0)
2804                 errors = EXT2_ERRORS_CONTINUE;
2805         else if (strcmp(arg, "remount-ro") == 0)
2806                 errors = EXT2_ERRORS_RO;
2807         else if (strcmp(arg, "panic") == 0)
2808                 errors = EXT2_ERRORS_PANIC;
2809         else {
2810                 com_err(program_name, 0,
2811                         _("bad error behavior in profile - %s"),
2812                         arg);
2813                 free(arg);
2814                 return EXT2_ET_INVALID_ARGUMENT;
2815         }
2816         free(arg);
2817
2818 try_user:
2819         if (errors_behavior)
2820                 errors = errors_behavior;
2821
2822         fs->super->s_errors = errors;
2823         return 0;
2824 }
2825
2826 int main (int argc, char *argv[])
2827 {
2828         errcode_t       retval = 0;
2829         ext2_filsys     fs;
2830         badblocks_list  bb_list = 0;
2831         unsigned int    journal_blocks = 0;
2832         unsigned int    i, checkinterval;
2833         int             max_mnt_count;
2834         int             val, hash_alg;
2835         int             flags;
2836         int             old_bitmaps;
2837         io_manager      io_ptr;
2838         char            opt_string[40];
2839         char            *hash_alg_str;
2840         int             itable_zeroed = 0;
2841
2842 #ifdef ENABLE_NLS
2843         setlocale(LC_MESSAGES, "");
2844         setlocale(LC_CTYPE, "");
2845         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2846         textdomain(NLS_CAT_NAME);
2847         set_com_err_gettext(gettext);
2848 #endif
2849         PRS(argc, argv);
2850
2851 #ifdef CONFIG_TESTIO_DEBUG
2852         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2853                 io_ptr = test_io_manager;
2854                 test_io_backing_manager = unix_io_manager;
2855         } else
2856 #endif
2857                 io_ptr = unix_io_manager;
2858
2859         if (undo_file != NULL || should_do_undo(device_name)) {
2860                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2861                 if (retval)
2862                         exit(1);
2863         }
2864
2865         /*
2866          * Initialize the superblock....
2867          */
2868         flags = EXT2_FLAG_EXCLUSIVE;
2869         if (direct_io)
2870                 flags |= EXT2_FLAG_DIRECT_IO;
2871         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2872                             &old_bitmaps);
2873         if (!old_bitmaps)
2874                 flags |= EXT2_FLAG_64BITS;
2875         /*
2876          * By default, we print how many inode tables or block groups
2877          * or whatever we've written so far.  The quiet flag disables
2878          * this, along with a lot of other output.
2879          */
2880         if (!quiet)
2881                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2882         if (android_sparse_file) {
2883                 char *android_sparse_params = malloc(strlen(device_name) + 48);
2884
2885                 if (!android_sparse_params) {
2886                         com_err(program_name, ENOMEM, "%s",
2887                                 _("in malloc for android_sparse_params"));
2888                         exit(1);
2889                 }
2890                 sprintf(android_sparse_params, "(%s):%u:%u",
2891                          device_name, fs_param.s_blocks_count,
2892                          1024 << fs_param.s_log_block_size);
2893                 retval = ext2fs_initialize(android_sparse_params, flags,
2894                                            &fs_param, sparse_io_manager, &fs);
2895                 free(android_sparse_params);
2896         } else
2897                 retval = ext2fs_initialize(device_name, flags, &fs_param,
2898                                            io_ptr, &fs);
2899         if (retval) {
2900                 com_err(device_name, retval, "%s",
2901                         _("while setting up superblock"));
2902                 exit(1);
2903         }
2904         fs->progress_ops = &ext2fs_numeric_progress_ops;
2905
2906         /* Set the error behavior */
2907         retval = set_error_behavior(fs);
2908         if (retval)
2909                 usage();
2910
2911         /* Check the user's mkfs options for metadata checksumming */
2912         if (!quiet &&
2913             !ext2fs_has_feature_journal_dev(fs->super) &&
2914             ext2fs_has_feature_metadata_csum(fs->super)) {
2915                 if (!ext2fs_has_feature_extents(fs->super))
2916                         printf("%s",
2917                                _("Extents are not enabled.  The file extent "
2918                                  "tree can be checksummed, whereas block maps "
2919                                  "cannot.  Not enabling extents reduces the "
2920                                  "coverage of metadata checksumming.  "
2921                                  "Pass -O extents to rectify.\n"));
2922                 if (!ext2fs_has_feature_64bit(fs->super))
2923                         printf("%s",
2924                                _("64-bit filesystem support is not enabled.  "
2925                                  "The larger fields afforded by this feature "
2926                                  "enable full-strength checksumming.  "
2927                                  "Pass -O 64bit to rectify.\n"));
2928         }
2929
2930         if (ext2fs_has_feature_csum_seed(fs->super) &&
2931             !ext2fs_has_feature_metadata_csum(fs->super)) {
2932                 printf("%s", _("The metadata_csum_seed feature "
2933                                "requires the metadata_csum feature.\n"));
2934                 exit(1);
2935         }
2936
2937         /* Calculate journal blocks */
2938         if (!journal_device && ((journal_size) ||
2939             ext2fs_has_feature_journal(&fs_param)))
2940                 journal_blocks = figure_journal_size(journal_size, fs);
2941
2942         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2943                 32768 : fs->blocksize * 8);
2944         io_channel_set_options(fs->io, opt_string);
2945         if (offset) {
2946                 sprintf(opt_string, "offset=%llu", offset);
2947                 io_channel_set_options(fs->io, opt_string);
2948         }
2949
2950         /* Can't undo discard ... */
2951         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
2952                 retval = mke2fs_discard_device(fs);
2953                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2954                         if (verbose)
2955                                 printf("%s",
2956                                        _("Discard succeeded and will return "
2957                                          "0s - skipping inode table wipe\n"));
2958                         lazy_itable_init = 1;
2959                         itable_zeroed = 1;
2960                         zero_hugefile = 0;
2961                 }
2962         }
2963
2964         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2965                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2966
2967         if (ext2fs_has_feature_flex_bg(&fs_param) ||
2968             ext2fs_has_feature_huge_file(&fs_param) ||
2969             ext2fs_has_feature_gdt_csum(&fs_param) ||
2970             ext2fs_has_feature_dir_nlink(&fs_param) ||
2971             ext2fs_has_feature_metadata_csum(&fs_param) ||
2972             ext2fs_has_feature_extra_isize(&fs_param))
2973                 fs->super->s_kbytes_written = 1;
2974
2975         /*
2976          * Wipe out the old on-disk superblock
2977          */
2978         if (!noaction)
2979                 zap_sector(fs, 2, 6);
2980
2981         /*
2982          * Parse or generate a UUID for the filesystem
2983          */
2984         if (fs_uuid) {
2985                 if ((strcasecmp(fs_uuid, "null") == 0) ||
2986                     (strcasecmp(fs_uuid, "clear") == 0)) {
2987                         uuid_clear(fs->super->s_uuid);
2988                 } else if (strcasecmp(fs_uuid, "time") == 0) {
2989                         uuid_generate_time(fs->super->s_uuid);
2990                 } else if (strcasecmp(fs_uuid, "random") == 0) {
2991                         uuid_generate(fs->super->s_uuid);
2992                 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
2993                         com_err(device_name, 0, "could not parse UUID: %s\n",
2994                                 fs_uuid);
2995                         exit(1);
2996                 }
2997         } else
2998                 uuid_generate(fs->super->s_uuid);
2999
3000         if (ext2fs_has_feature_csum_seed(fs->super))
3001                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
3002                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
3003
3004         ext2fs_init_csum_seed(fs);
3005
3006         /*
3007          * Initialize the directory index variables
3008          */
3009         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3010                                                "half_md4");
3011         hash_alg = e2p_string2hash(hash_alg_str);
3012         free(hash_alg_str);
3013         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3014                 EXT2_HASH_HALF_MD4;
3015
3016         if (memcmp(fs_param.s_hash_seed, zero_buf,
3017                 sizeof(fs_param.s_hash_seed)) != 0) {
3018                 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3019                         sizeof(fs->super->s_hash_seed));
3020         } else
3021                 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3022
3023         /*
3024          * Periodic checks can be enabled/disabled via config file.
3025          * Note we override the kernel include file's idea of what the default
3026          * check interval (never) should be.  It's a good idea to check at
3027          * least *occasionally*, specially since servers will never rarely get
3028          * to reboot, since Linux is so robust these days.  :-)
3029          *
3030          * 180 days (six months) seems like a good value.
3031          */
3032 #ifdef EXT2_DFL_CHECKINTERVAL
3033 #undef EXT2_DFL_CHECKINTERVAL
3034 #endif
3035 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3036
3037         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3038                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3039                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3040                 /*
3041                  * Add "jitter" to the superblock's check interval so that we
3042                  * don't check all the filesystems at the same time.  We use a
3043                  * kludgy hack of using the UUID to derive a random jitter value
3044                  */
3045                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3046                         val += fs->super->s_uuid[i];
3047                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3048         } else
3049                 fs->super->s_max_mnt_count = -1;
3050
3051         /*
3052          * Override the creator OS, if applicable
3053          */
3054         if (creator_os && !set_os(fs->super, creator_os)) {
3055                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3056                 exit(1);
3057         }
3058
3059         /*
3060          * For the Hurd, we will turn off filetype since it doesn't
3061          * support it.
3062          */
3063         if (fs->super->s_creator_os == EXT2_OS_HURD)
3064                 ext2fs_clear_feature_filetype(fs->super);
3065
3066         /*
3067          * Set the volume label...
3068          */
3069         if (volume_label) {
3070                 memset(fs->super->s_volume_name, 0,
3071                        sizeof(fs->super->s_volume_name));
3072                 strncpy(fs->super->s_volume_name, volume_label,
3073                         sizeof(fs->super->s_volume_name));
3074         }
3075
3076         /*
3077          * Set the last mount directory
3078          */
3079         if (mount_dir) {
3080                 memset(fs->super->s_last_mounted, 0,
3081                        sizeof(fs->super->s_last_mounted));
3082                 strncpy(fs->super->s_last_mounted, mount_dir,
3083                         sizeof(fs->super->s_last_mounted));
3084         }
3085
3086         /* Set current default encryption algorithms for data and
3087          * filename encryption */
3088         if (ext2fs_has_feature_encrypt(fs->super)) {
3089                 fs->super->s_encrypt_algos[0] =
3090                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3091                 fs->super->s_encrypt_algos[1] =
3092                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3093         }
3094
3095         if (ext2fs_has_feature_metadata_csum(fs->super))
3096                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3097
3098         if (!quiet || noaction)
3099                 show_stats(fs);
3100
3101         if (noaction)
3102                 exit(0);
3103
3104         if (ext2fs_has_feature_journal_dev(fs->super)) {
3105                 create_journal_dev(fs);
3106                 printf("\n");
3107                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3108         }
3109
3110         if (bad_blocks_filename)
3111                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3112         if (cflag)
3113                 test_disk(fs, &bb_list);
3114         handle_bad_blocks(fs, bb_list);
3115
3116         fs->stride = fs_stride = fs->super->s_raid_stride;
3117         if (!quiet)
3118                 printf("%s", _("Allocating group tables: "));
3119         if (ext2fs_has_feature_flex_bg(fs->super) &&
3120             packed_meta_blocks)
3121                 retval = packed_allocate_tables(fs);
3122         else
3123                 retval = ext2fs_allocate_tables(fs);
3124         if (retval) {
3125                 com_err(program_name, retval, "%s",
3126                         _("while trying to allocate filesystem tables"));
3127                 exit(1);
3128         }
3129         if (!quiet)
3130                 printf("%s", _("done                            \n"));
3131
3132         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3133         if (retval) {
3134                 com_err(program_name, retval, "%s",
3135                         _("\n\twhile converting subcluster bitmap"));
3136                 exit(1);
3137         }
3138
3139         if (super_only) {
3140                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3141                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3142                        device_name);
3143                 if (!force)
3144                         proceed_question(proceed_delay);
3145                 fs->super->s_state |= EXT2_ERROR_FS;
3146                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3147                 /*
3148                  * The command "mke2fs -S" is used to recover
3149                  * corrupted file systems, so do not mark any of the
3150                  * inodes as unused; we want e2fsck to consider all
3151                  * inodes as potentially containing recoverable data.
3152                  */
3153                 if (ext2fs_has_group_desc_csum(fs)) {
3154                         for (i = 0; i < fs->group_desc_count; i++)
3155                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3156                 }
3157         } else {
3158                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3159                 blk64_t rsv = 65536 / fs->blocksize;
3160                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3161                 blk64_t start;
3162                 blk64_t ret_blk;
3163
3164 #ifdef ZAP_BOOTBLOCK
3165                 zap_sector(fs, 0, 2);
3166 #endif
3167
3168                 /*
3169                  * Wipe out any old MD RAID (or other) metadata at the end
3170                  * of the device.  This will also verify that the device is
3171                  * as large as we think.  Be careful with very small devices.
3172                  */
3173                 start = (blocks & ~(rsv - 1));
3174                 if (start > rsv)
3175                         start -= rsv;
3176                 if (start > 0)
3177                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3178                                                     &ret_blk, NULL);
3179
3180                 if (retval) {
3181                         com_err(program_name, retval,
3182                                 _("while zeroing block %llu at end of filesystem"),
3183                                 ret_blk);
3184                 }
3185                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3186                 create_root_dir(fs);
3187                 create_lost_and_found(fs);
3188                 reserve_inodes(fs);
3189                 create_bad_block_inode(fs, bb_list);
3190                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3191                         retval = ext2fs_create_resize_inode(fs);
3192                         if (retval) {
3193                                 com_err("ext2fs_create_resize_inode", retval,
3194                                         "%s",
3195                                 _("while reserving blocks for online resize"));
3196                                 exit(1);
3197                         }
3198                 }
3199         }
3200
3201         if (journal_device) {
3202                 ext2_filsys     jfs;
3203
3204                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3205                                         NULL) && !force)
3206                         proceed_question(proceed_delay);
3207                 check_mount(journal_device, force, _("journal"));
3208
3209                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3210                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3211                                      fs->blocksize, unix_io_manager, &jfs);
3212                 if (retval) {
3213                         com_err(program_name, retval,
3214                                 _("while trying to open journal device %s\n"),
3215                                 journal_device);
3216                         exit(1);
3217                 }
3218                 if (!quiet) {
3219                         printf(_("Adding journal to device %s: "),
3220                                journal_device);
3221                         fflush(stdout);
3222                 }
3223                 retval = ext2fs_add_journal_device(fs, jfs);
3224                 if(retval) {
3225                         com_err (program_name, retval,
3226                                  _("\n\twhile trying to add journal to device %s"),
3227                                  journal_device);
3228                         exit(1);
3229                 }
3230                 if (!quiet)
3231                         printf("%s", _("done\n"));
3232                 ext2fs_close_free(&jfs);
3233                 free(journal_device);
3234         } else if ((journal_size) ||
3235                    ext2fs_has_feature_journal(&fs_param)) {
3236                 if (super_only) {
3237                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3238                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3239                         goto no_journal;
3240                 }
3241
3242                 if (!journal_blocks) {
3243                         ext2fs_clear_feature_journal(fs->super);
3244                         goto no_journal;
3245                 }
3246                 if (!quiet) {
3247                         printf(_("Creating journal (%u blocks): "),
3248                                journal_blocks);
3249                         fflush(stdout);
3250                 }
3251                 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3252                                                    journal_location,
3253                                                    journal_flags);
3254                 if (retval) {
3255                         com_err(program_name, retval, "%s",
3256                                 _("\n\twhile trying to create journal"));
3257                         exit(1);
3258                 }
3259                 if (!quiet)
3260                         printf("%s", _("done\n"));
3261         }
3262 no_journal:
3263         if (!super_only &&
3264             ext2fs_has_feature_mmp(fs->super)) {
3265                 retval = ext2fs_mmp_init(fs);
3266                 if (retval) {
3267                         fprintf(stderr, "%s",
3268                                 _("\nError while enabling multiple "
3269                                   "mount protection feature."));
3270                         exit(1);
3271                 }
3272                 if (!quiet)
3273                         printf(_("Multiple mount protection is enabled "
3274                                  "with update interval %d seconds.\n"),
3275                                fs->super->s_mmp_update_interval);
3276         }
3277
3278         if (ext2fs_has_feature_bigalloc(&fs_param))
3279                 fix_cluster_bg_counts(fs);
3280         if (ext2fs_has_feature_quota(&fs_param))
3281                 create_quota_inodes(fs);
3282
3283         retval = mk_hugefiles(fs, device_name);
3284         if (retval)
3285                 com_err(program_name, retval, "while creating huge files");
3286         /* Copy files from the specified directory */
3287         if (src_root_dir) {
3288                 if (!quiet)
3289                         printf("%s", _("Copying files into the device: "));
3290
3291                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3292                                      EXT2_ROOT_INO);
3293                 if (retval) {
3294                         com_err(program_name, retval, "%s",
3295                                 _("while populating file system"));
3296                         exit(1);
3297                 } else if (!quiet)
3298                         printf("%s", _("done\n"));
3299         }
3300
3301         if (!quiet)
3302                 printf("%s", _("Writing superblocks and "
3303                        "filesystem accounting information: "));
3304         checkinterval = fs->super->s_checkinterval;
3305         max_mnt_count = fs->super->s_max_mnt_count;
3306         retval = ext2fs_close_free(&fs);
3307         if (retval) {
3308                 com_err(program_name, retval, "%s",
3309                         _("while writing out and closing file system"));
3310                 retval = 1;
3311         } else if (!quiet) {
3312                 printf("%s", _("done\n\n"));
3313                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3314                         print_check_message(max_mnt_count, checkinterval);
3315         }
3316
3317         remove_error_table(&et_ext2_error_table);
3318         remove_error_table(&et_prof_error_table);
3319         profile_release(profile);
3320         for (i=0; fs_types[i]; i++)
3321                 free(fs_types[i]);
3322         free(fs_types);
3323         return retval;
3324 }