misc/mke2fs.c

   1 /*
   2  * mke2fs.c - Make a ext2fs filesystem.
   3  *
   4  * Copyright (C) 1994, 1995, 1996, 1997 Theodore Ts'o.
   5  *
   6  * %Begin-Header%
   7  * This file may be redistributed under the terms of the GNU Public
   8  * License.
   9  * %End-Header%
  10  */
  11
  12 /* Usage: mke2fs [options] device
  13  *
  14  * The device may be a block device or a image of one, but this isn't
  15  * enforced (but it's not much fun on a character device :-).
  16  */
  17
  18 #include <stdio.h>
  19 #include <string.h>
  20 #include <fcntl.h>
  21 #include <ctype.h>
  22 #include <time.h>
  23 #ifdef __linux__
  24 #include <sys/utsname.h>
  25 #endif
  26 #ifdef HAVE_GETOPT_H
  27 #include <getopt.h>
  28 #else
  29 extern char *optarg;
  30 extern int optind;
  31 #endif
  32 #ifdef HAVE_UNISTD_H
  33 #include <unistd.h>
  34 #endif
  35 #ifdef HAVE_STDLIB_H
  36 #include <stdlib.h>
  37 #endif
  38 #ifdef HAVE_ERRNO_H
  39 #include <errno.h>
  40 #endif
  41 #ifdef HAVE_MNTENT_H
  42 #include <mntent.h>
  43 #endif
  44 #include <sys/ioctl.h>
  45 #include <sys/types.h>
  46
  47 #include "ext2fs/ext2_fs.h"
  48 #include "et/com_err.h"
  49 #include "uuid/uuid.h"
  50 #include "e2p/e2p.h"
  51 #include "ext2fs/ext2fs.h"
  52 #include "util.h"
  53 #include "../version.h"
  54 #include "nls-enable.h"
  55
  56 #define STRIDE_LENGTH 8
  57
  58 #ifndef __sparc__
  59 #define ZAP_BOOTBLOCK
  60 #endif
  61
  62 extern int isatty(int);
  63 extern FILE *fpopen(const char *cmd, const char *mode);
  64
  65 const char * program_name = "mke2fs";
  66 const char * device_name /* = NULL */;
  67
  68 /* Command line options */
  69 int     cflag;
  70 int     verbose;
  71 int     quiet;
  72 int     super_only;
  73 int     force;
  74 int     noaction;
  75 int     journal_size;
  76 int     journal_flags;
  77 char    *bad_blocks_filename;
  78 __u32   fs_stride;
  79
  80 struct ext2_super_block param;
  81 char *creator_os;
  82 char *volume_label;
  83 char *mount_dir;
  84 char *journal_device;
  85 int sync_kludge;        /* Set using the MKE2FS_SYNC env. option */
  86
  87 int sys_page_size = 4096;
  88
  89 static void usage(void)
  90 {
  91         fprintf(stderr, _("Usage: %s [-c|-t|-l filename] [-b block-size] "
  92         "[-f fragment-size]\n\t[-i bytes-per-inode] [-j] [-J journal-options]"
  93         " [-N number-of-inodes]\n\t[-m reserved-blocks-percentage] "
  94         "[-o creator-os] [-g blocks-per-group]\n\t[-L volume-label] "
  95         "[-M last-mounted-directory] [-O feature[,...]]\n\t"
  96         "[-r fs-revision] [-R raid_opts] [-qvSV] device [blocks-count]\n"),
  97                 program_name);
  98         exit(1);
  99 }
 100
 101 static int int_log2(int arg)
 102 {
 103         int     l = 0;
 104
 105         arg >>= 1;
 106         while (arg) {
 107                 l++;
 108                 arg >>= 1;
 109         }
 110         return l;
 111 }
 112
 113 static int int_log10(unsigned int arg)
 114 {
 115         int     l;
 116
 117         for (l=0; arg ; l++)
 118                 arg = arg / 10;
 119         return l;
 120 }
 121
 122 /*
 123  * This function sets the default parameters for a filesystem
 124  *
 125  * The type is specified by the user.  The size is the maximum size
 126  * (in megabytes) for which a set of parameters applies, with a size
 127  * of zero meaning that it is the default parameter for the type.
 128  * Note that order is important in the table below.
 129  */
 130 #define DEF_MAX_BLOCKSIZE -1
 131 static char default_str[] = "default";
 132 struct mke2fs_defaults {
 133         const char      *type;
 134         int             size;
 135         int             blocksize;
 136         int             inode_ratio;
 137 } settings[] = {
 138         { default_str, 0, 4096, 8192 },
 139         { default_str, 512, 1024, 4096 },
 140         { default_str, 3, 1024, 8192 },
 141         { "journal", 0, 4096, 8192 },
 142         { "news", 0, 4096, 4096 },
 143         { "largefile", 0, DEF_MAX_BLOCKSIZE, 1024 * 1024 },
 144         { "largefile4", 0, DEF_MAX_BLOCKSIZE, 4096 * 1024 },
 145         { 0, 0, 0, 0},
 146 };
 147
 148 static void set_fs_defaults(const char *fs_type,
 149                             struct ext2_super_block *super,
 150                             int blocksize, int *inode_ratio)
 151 {
 152         int     megs;
 153         int     ratio = 0;
 154         struct mke2fs_defaults *p;
 155         int     use_bsize = 1024;
 156
 157         megs = super->s_blocks_count * (EXT2_BLOCK_SIZE(super) / 1024) / 1024;
 158         if (inode_ratio)
 159                 ratio = *inode_ratio;
 160         if (!fs_type)
 161                 fs_type = default_str;
 162         for (p = settings; p->type; p++) {
 163                 if ((strcmp(p->type, fs_type) != 0) &&
 164                     (strcmp(p->type, default_str) != 0))
 165                         continue;
 166                 if ((p->size != 0) && (megs > p->size))
 167                         continue;
 168                 if (ratio == 0)
 169                         *inode_ratio = p->inode_ratio < blocksize ?
 170                                 blocksize : p->inode_ratio;
 171                 use_bsize = p->blocksize;
 172         }
 173         if (blocksize <= 0) {
 174                 if (use_bsize == DEF_MAX_BLOCKSIZE)
 175                         use_bsize = sys_page_size;
 176                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
 177                         use_bsize = -blocksize;
 178                 blocksize = use_bsize;
 179                 super->s_blocks_count /= blocksize / 1024;
 180         }
 181         super->s_log_frag_size = super->s_log_block_size =
 182                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
 183 }
 184
 185
 186 /*
 187  * Helper function for read_bb_file and test_disk
 188  */
 189 static void invalid_block(ext2_filsys fs, blk_t blk)
 190 {
 191         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 192         return;
 193 }
 194
 195 /*
 196  * Reads the bad blocks list from a file
 197  */
 198 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 199                          const char *bad_blocks_file)
 200 {
 201         FILE            *f;
 202         errcode_t       retval;
 203
 204         f = fopen(bad_blocks_file, "r");
 205         if (!f) {
 206                 com_err("read_bad_blocks_file", errno,
 207                         _("while trying to open %s"), bad_blocks_file);
 208                 exit(1);
 209         }
 210         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 211         fclose (f);
 212         if (retval) {
 213                 com_err("ext2fs_read_bb_FILE", retval,
 214                         _("while reading in list of bad blocks from file"));
 215                 exit(1);
 216         }
 217 }
 218
 219 /*
 220  * Runs the badblocks program to test the disk
 221  */
 222 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 223 {
 224         FILE            *f;
 225         errcode_t       retval;
 226         char            buf[1024];
 227
 228         sprintf(buf, "badblocks -b %d %s%s%s %d", fs->blocksize,
 229                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 230                 fs->device_name, fs->super->s_blocks_count);
 231         if (verbose)
 232                 printf(_("Running command: %s\n"), buf);
 233         f = popen(buf, "r");
 234         if (!f) {
 235                 com_err("popen", errno,
 236                         _("while trying run '%s'"), buf);
 237                 exit(1);
 238         }
 239         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 240         pclose(f);
 241         if (retval) {
 242                 com_err("ext2fs_read_bb_FILE", retval,
 243                         _("while processing list of bad blocks from program"));
 244                 exit(1);
 245         }
 246 }
 247
 248 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 249 {
 250         int                     i, j;
 251         int                     must_be_good;
 252         blk_t                   blk;
 253         badblocks_iterate       bb_iter;
 254         errcode_t               retval;
 255         blk_t                   group_block;
 256         int                     group;
 257         int                     group_bad;
 258
 259         if (!bb_list)
 260                 return;
 261
 262         /*
 263          * The primary superblock and group descriptors *must* be
 264          * good; if not, abort.
 265          */
 266         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 267         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 268                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 269                         fprintf(stderr, _("Block %d in primary "
 270                                 "superblock/group descriptor area bad.\n"), i);
 271                         fprintf(stderr, _("Blocks %d through %d must be good "
 272                                 "in order to build a filesystem.\n"),
 273                                 fs->super->s_first_data_block, must_be_good);
 274                         fprintf(stderr, _("Aborting....\n"));
 275                         exit(1);
 276                 }
 277         }
 278
 279         /*
 280          * See if any of the bad blocks are showing up in the backup
 281          * superblocks and/or group descriptors.  If so, issue a
 282          * warning and adjust the block counts appropriately.
 283          */
 284         group_block = fs->super->s_first_data_block +
 285                 fs->super->s_blocks_per_group;
 286
 287         for (i = 1; i < fs->group_desc_count; i++) {
 288                 group_bad = 0;
 289                 for (j=0; j < fs->desc_blocks+1; j++) {
 290                         if (ext2fs_badblocks_list_test(bb_list,
 291                                                        group_block + j)) {
 292                                 if (!group_bad)
 293                                         fprintf(stderr,
 294 _("Warning: the backup superblock/group descriptors at block %d contain\n"
 295 "       bad blocks.\n\n"),
 296                                                 group_block);
 297                                 group_bad++;
 298                                 group = ext2fs_group_of_blk(fs, group_block+j);
 299                                 fs->group_desc[group].bg_free_blocks_count++;
 300                                 fs->super->s_free_blocks_count++;
 301                         }
 302                 }
 303                 group_block += fs->super->s_blocks_per_group;
 304         }
 305
 306         /*
 307          * Mark all the bad blocks as used...
 308          */
 309         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 310         if (retval) {
 311                 com_err("ext2fs_badblocks_list_iterate_begin", retval,
 312                         _("while marking bad blocks as used"));
 313                 exit(1);
 314         }
 315         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 316                 ext2fs_mark_block_bitmap(fs->block_map, blk);
 317         ext2fs_badblocks_list_iterate_end(bb_iter);
 318 }
 319
 320 /*
 321  * These functions implement a generalized progress meter.
 322  */
 323 struct progress_struct {
 324         char            format[20];
 325         char            backup[80];
 326         __u32           max;
 327 };
 328
 329 static void progress_init(struct progress_struct *progress,
 330                           const char *label,__u32 max)
 331 {
 332         int     i;
 333
 334         memset(progress, 0, sizeof(struct progress_struct));
 335         if (quiet)
 336                 return;
 337
 338         /*
 339          * Figure out how many digits we need
 340          */
 341         i = int_log10(max);
 342         sprintf(progress->format, "%%%dd/%%%dld", i, i);
 343         memset(progress->backup, '\b', sizeof(progress->backup)-1);
 344         progress->backup[sizeof(progress->backup)-1] = 0;
 345         if ((2*i)+1 < sizeof(progress->backup))
 346                 progress->backup[(2*i)+1] = 0;
 347         progress->max = max;
 348
 349         fputs(label, stdout);
 350         fflush(stdout);
 351 }
 352
 353 static void progress_update(struct progress_struct *progress, __u32 val)
 354 {
 355         if (progress->format[0] == 0)
 356                 return;
 357         printf(progress->format, val, progress->max);
 358         fputs(progress->backup, stdout);
 359 }
 360
 361 static void progress_close(struct progress_struct *progress)
 362 {
 363         if (progress->format[0] == 0)
 364                 return;
 365         fputs(_("done                            \n"), stdout);
 366 }
 367
 368
 369 /*
 370  * Helper function which zeros out _num_ blocks starting at _blk_.  In
 371  * case of an error, the details of the error is returned via _ret_blk_
 372  * and _ret_count_ if they are non-NULL pointers.  Returns 0 on
 373  * success, and an error code on an error.
 374  *
 375  * As a special case, if the first argument is NULL, then it will
 376  * attempt to free the static zeroizing buffer.  (This is to keep
 377  * programs that check for memory leaks happy.)
 378  */
 379 static errcode_t zero_blocks(ext2_filsys fs, blk_t blk, int num,
 380                              struct progress_struct *progress,
 381                              blk_t *ret_blk, int *ret_count)
 382 {
 383         int             j, count, next_update, next_update_incr;
 384         static char     *buf;
 385         errcode_t       retval;
 386
 387         /* If fs is null, clean up the static buffer and return */
 388         if (!fs) {
 389                 if (buf) {
 390                         free(buf);
 391                         buf = 0;
 392                 }
 393                 return 0;
 394         }
 395         /* Allocate the zeroizing buffer if necessary */
 396         if (!buf) {
 397                 buf = malloc(fs->blocksize * STRIDE_LENGTH);
 398                 if (!buf) {
 399                         com_err("malloc", ENOMEM,
 400                                 _("while allocating zeroizing buffer"));
 401                         exit(1);
 402                 }
 403                 memset(buf, 0, fs->blocksize * STRIDE_LENGTH);
 404         }
 405         /* OK, do the write loop */
 406         next_update = 0;
 407         next_update_incr = num / 100;
 408         if (next_update_incr < 1)
 409                 next_update_incr = 1;
 410         for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) {
 411                 count = num - j;
 412                 if (count > STRIDE_LENGTH)
 413                         count = STRIDE_LENGTH;
 414                 retval = io_channel_write_blk(fs->io, blk, count, buf);
 415                 if (retval) {
 416                         if (ret_count)
 417                                 *ret_count = count;
 418                         if (ret_blk)
 419                                 *ret_blk = blk;
 420                         return retval;
 421                 }
 422                 if (progress && j > next_update) {
 423                         next_update += num / 100;
 424                         progress_update(progress, blk);
 425                 }
 426         }
 427         return 0;
 428 }
 429
 430 static void write_inode_tables(ext2_filsys fs)
 431 {
 432         errcode_t       retval;
 433         blk_t           blk;
 434         int             i, num;
 435         struct progress_struct progress;
 436
 437         if (quiet)
 438                 memset(&progress, 0, sizeof(progress));
 439         else
 440                 progress_init(&progress, _("Writing inode tables: "),
 441                               fs->group_desc_count);
 442
 443         for (i = 0; i < fs->group_desc_count; i++) {
 444                 progress_update(&progress, i);
 445
 446                 blk = fs->group_desc[i].bg_inode_table;
 447                 num = fs->inode_blocks_per_group;
 448
 449                 retval = zero_blocks(fs, blk, num, 0, &blk, &num);
 450                 if (retval) {
 451                         fprintf(stderr, _("\nCould not write %d blocks "
 452                                 "in inode table starting at %d: %s\n"),
 453                                 num, blk, error_message(retval));
 454                         exit(1);
 455                 }
 456                 if (sync_kludge) {
 457                         if (sync_kludge == 1)
 458                                 sync();
 459                         else if ((i % sync_kludge) == 0)
 460                                 sync();
 461                 }
 462         }
 463         zero_blocks(0, 0, 0, 0, 0, 0);
 464         progress_close(&progress);
 465 }
 466
 467 static void create_root_dir(ext2_filsys fs)
 468 {
 469         errcode_t       retval;
 470         struct ext2_inode       inode;
 471
 472         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 473         if (retval) {
 474                 com_err("ext2fs_mkdir", retval, _("while creating root dir"));
 475                 exit(1);
 476         }
 477         if (geteuid()) {
 478                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 479                 if (retval) {
 480                         com_err("ext2fs_read_inode", retval,
 481                                 _("while reading root inode"));
 482                         exit(1);
 483                 }
 484                 inode.i_uid = getuid();
 485                 if (inode.i_uid)
 486                         inode.i_gid = getgid();
 487                 retval = ext2fs_write_inode(fs, EXT2_ROOT_INO, &inode);
 488                 if (retval) {
 489                         com_err("ext2fs_write_inode", retval,
 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         errcode_t               retval;
 499         ext2_ino_t              ino;
 500         const char              *name = "lost+found";
 501         int                     i;
 502         int                     lpf_size = 0;
 503
 504         fs->umask = 077;
 505         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 506         if (retval) {
 507                 com_err("ext2fs_mkdir", retval,
 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,
 515                         _("while looking up /lost+found"));
 516                 exit(1);
 517         }
 518
 519         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 520                 if ((lpf_size += fs->blocksize) >= 16*1024)
 521                         break;
 522                 retval = ext2fs_expand_dir(fs, ino);
 523                 if (retval) {
 524                         com_err("ext2fs_expand_dir", retval,
 525                                 _("while expanding /lost+found"));
 526                         exit(1);
 527                 }
 528         }
 529 }
 530
 531 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 532 {
 533         errcode_t       retval;
 534
 535         ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO);
 536         fs->group_desc[0].bg_free_inodes_count--;
 537         fs->super->s_free_inodes_count--;
 538         retval = ext2fs_update_bb_inode(fs, bb_list);
 539         if (retval) {
 540                 com_err("ext2fs_update_bb_inode", retval,
 541                         _("while setting bad block inode"));
 542                 exit(1);
 543         }
 544
 545 }
 546
 547 static void reserve_inodes(ext2_filsys fs)
 548 {
 549         ext2_ino_t      i;
 550         int             group;
 551
 552         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) {
 553                 ext2fs_mark_inode_bitmap(fs->inode_map, i);
 554                 group = ext2fs_group_of_ino(fs, i);
 555                 fs->group_desc[group].bg_free_inodes_count--;
 556                 fs->super->s_free_inodes_count--;
 557         }
 558         ext2fs_mark_ib_dirty(fs);
 559 }
 560
 561 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 562 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 563 #define BSD_LABEL_OFFSET        64
 564
 565 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 566 {
 567         char *buf;
 568         int retval;
 569         unsigned int *magic;
 570
 571         buf = malloc(512*nsect);
 572         if (!buf) {
 573                 printf(_("Out of memory erasing sectors %d-%d\n"),
 574                        sect, sect + nsect - 1);
 575                 exit(1);
 576         }
 577
 578         if (sect == 0) {
 579                 /* Check for a BSD disklabel, and don't erase it if so */
 580                 retval = io_channel_read_blk(fs->io, 0, -512, buf);
 581                 if (retval)
 582                         fprintf(stderr,
 583                                 _("Warning: could not read block 0: %s\n"),
 584                                 error_message(retval));
 585                 else {
 586                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 587                         if ((*magic == BSD_DISKMAGIC) ||
 588                             (*magic == BSD_MAGICDISK))
 589                                 return;
 590                 }
 591         }
 592
 593         memset(buf, 0, 512*nsect);
 594         io_channel_set_blksize(fs->io, 512);
 595         retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf);
 596         io_channel_set_blksize(fs->io, fs->blocksize);
 597         free(buf);
 598         if (retval)
 599                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 600                         sect, error_message(retval));
 601 }
 602
 603 static void create_journal_dev(ext2_filsys fs)
 604 {
 605         struct progress_struct progress;
 606         errcode_t               retval;
 607         char                    *buf;
 608         blk_t                   blk;
 609         int                     count;
 610
 611         retval = ext2fs_create_journal_superblock(fs,
 612                                   fs->super->s_blocks_count, 0, &buf);
 613         if (retval) {
 614                 com_err("create_journal_dev", retval,
 615                         _("while initializing journal superblock"));
 616                 exit(1);
 617         }
 618         if (quiet)
 619                 memset(&progress, 0, sizeof(progress));
 620         else
 621                 progress_init(&progress, _("Zeroing journal device: "),
 622                               fs->super->s_blocks_count);
 623
 624         retval = zero_blocks(fs, 0, fs->super->s_blocks_count,
 625                              &progress, &blk, &count);
 626         if (retval) {
 627                 com_err("create_journal_dev", retval,
 628                         _("while zeroing journal device (block %u, count %d)"),
 629                         blk, count);
 630                 exit(1);
 631         }
 632         zero_blocks(0, 0, 0, 0, 0, 0);
 633
 634         retval = io_channel_write_blk(fs->io,
 635                                       fs->super->s_first_data_block+1,
 636                                       1, buf);
 637         if (retval) {
 638                 com_err("create_journal_dev", retval,
 639                         _("while writing journal superblock"));
 640                 exit(1);
 641         }
 642         progress_close(&progress);
 643 }
 644
 645 static void show_stats(ext2_filsys fs)
 646 {
 647         struct ext2_super_block *s = fs->super;
 648         char                    buf[80];
 649         blk_t                   group_block;
 650         int                     i, need, col_left;
 651
 652         if (param.s_blocks_count != s->s_blocks_count)
 653                 fprintf(stderr, _("warning: %d blocks unused.\n\n"),
 654                        param.s_blocks_count - s->s_blocks_count);
 655
 656         memset(buf, 0, sizeof(buf));
 657         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 658         printf(_("Filesystem label=%s\n"), buf);
 659         printf(_("OS type: "));
 660         switch (fs->super->s_creator_os) {
 661             case EXT2_OS_LINUX: printf ("Linux"); break;
 662             case EXT2_OS_HURD:  printf ("GNU/Hurd");   break;
 663             case EXT2_OS_MASIX: printf ("Masix"); break;
 664             default:            printf (_("(unknown os)"));
 665         }
 666         printf("\n");
 667         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 668                 s->s_log_block_size);
 669         printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize,
 670                 s->s_log_frag_size);
 671         printf(_("%u inodes, %u blocks\n"), s->s_inodes_count,
 672                s->s_blocks_count);
 673         printf(_("%u blocks (%2.2f%%) reserved for the super user\n"),
 674                 s->s_r_blocks_count,
 675                100.0 * s->s_r_blocks_count / s->s_blocks_count);
 676         printf(_("First data block=%u\n"), s->s_first_data_block);
 677         if (fs->group_desc_count > 1)
 678                 printf(_("%u block groups\n"), fs->group_desc_count);
 679         else
 680                 printf(_("%u block group\n"), fs->group_desc_count);
 681         printf(_("%u blocks per group, %u fragments per group\n"),
 682                s->s_blocks_per_group, s->s_frags_per_group);
 683         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 684
 685         if (fs->group_desc_count == 1) {
 686                 printf("\n");
 687                 return;
 688         }
 689
 690         printf(_("Superblock backups stored on blocks: "));
 691         group_block = s->s_first_data_block;
 692         col_left = 0;
 693         for (i = 1; i < fs->group_desc_count; i++) {
 694                 group_block += s->s_blocks_per_group;
 695                 if (!ext2fs_bg_has_super(fs, i))
 696                         continue;
 697                 if (i != 1)
 698                         printf(", ");
 699                 need = int_log10(group_block) + 2;
 700                 if (need > col_left) {
 701                         printf("\n\t");
 702                         col_left = 72;
 703                 }
 704                 col_left -= need;
 705                 printf("%u", group_block);
 706         }
 707         printf("\n\n");
 708 }
 709
 710 /*
 711  * Set the S_CREATOR_OS field.  Return true if OS is known,
 712  * otherwise, 0.
 713  */
 714 static int set_os(struct ext2_super_block *sb, char *os)
 715 {
 716         if (isdigit (*os))
 717                 sb->s_creator_os = atoi (os);
 718         else if (strcasecmp(os, "linux") == 0)
 719                 sb->s_creator_os = EXT2_OS_LINUX;
 720         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 721                 sb->s_creator_os = EXT2_OS_HURD;
 722         else if (strcasecmp(os, "masix") == 0)
 723                 sb->s_creator_os = EXT2_OS_MASIX;
 724         else
 725                 return 0;
 726         return 1;
 727 }
 728
 729 #define PATH_SET "PATH=/sbin"
 730
 731 static void parse_raid_opts(const char *opts)
 732 {
 733         char    *buf, *token, *next, *p, *arg;
 734         int     len;
 735         int     raid_usage = 0;
 736
 737         len = strlen(opts);
 738         buf = malloc(len+1);
 739         if (!buf) {
 740                 fprintf(stderr, _("Couldn't allocate memory to parse "
 741                         "raid options!\n"));
 742                 exit(1);
 743         }
 744         strcpy(buf, opts);
 745         for (token = buf; token && *token; token = next) {
 746                 p = strchr(token, ',');
 747                 next = 0;
 748                 if (p) {
 749                         *p = 0;
 750                         next = p+1;
 751                 }
 752                 arg = strchr(token, '=');
 753                 if (arg) {
 754                         *arg = 0;
 755                         arg++;
 756                 }
 757                 if (strcmp(token, "stride") == 0) {
 758                         if (!arg) {
 759                                 raid_usage++;
 760                                 continue;
 761                         }
 762                         fs_stride = strtoul(arg, &p, 0);
 763                         if (*p || (fs_stride == 0)) {
 764                                 fprintf(stderr,
 765                                         _("Invalid stride parameter.\n"));
 766                                 raid_usage++;
 767                                 continue;
 768                         }
 769                 } else
 770                         raid_usage++;
 771         }
 772         if (raid_usage) {
 773                 fprintf(stderr, _("\nBad raid options specified.\n\n"
 774                         "Raid options are separated by commas, "
 775                         "and may take an argument which\n"
 776                         "\tis set off by an equals ('=') sign.\n\n"
 777                         "Valid raid options are:\n"
 778                         "\tstride=<stride length in blocks>\n\n"));
 779                 exit(1);
 780         }
 781 }
 782
 783 static __u32 ok_features[3] = {
 784         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
 785                 EXT2_FEATURE_COMPAT_DIR_INDEX,  /* Compat */
 786         EXT2_FEATURE_INCOMPAT_FILETYPE|         /* Incompat */
 787                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
 788                 EXT2_FEATURE_INCOMPAT_META_BG,
 789         EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER     /* R/O compat */
 790 };
 791
 792
 793 static void PRS(int argc, char *argv[])
 794 {
 795         int             b, c;
 796         int             size;
 797         char *          tmp;
 798         int             blocksize = 0;
 799         int             inode_ratio = 0;
 800         int             inode_size = 0;
 801         int             reserved_ratio = 5;
 802         ext2_ino_t      num_inodes = 0;
 803         errcode_t       retval;
 804         char *          oldpath = getenv("PATH");
 805         char *          raid_opts = 0;
 806         const char *    fs_type = 0;
 807         int             default_features = 1;
 808         blk_t           dev_size;
 809 #ifdef __linux__
 810         struct          utsname ut;
 811 #endif
 812         long            sysval;
 813
 814         /* Update our PATH to include /sbin  */
 815         if (oldpath) {
 816                 char *newpath;
 817
 818                 newpath = malloc(sizeof (PATH_SET) + 1 + strlen (oldpath));
 819                 strcpy (newpath, PATH_SET);
 820                 strcat (newpath, ":");
 821                 strcat (newpath, oldpath);
 822                 putenv (newpath);
 823         } else
 824                 putenv (PATH_SET);
 825
 826         tmp = getenv("MKE2FS_SYNC");
 827         if (tmp)
 828                 sync_kludge = atoi(tmp);
 829
 830         /* Determine the system page size if possible */
 831 #ifdef HAVE_SYSCONF
 832 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
 833 #define _SC_PAGESIZE _SC_PAGE_SIZE
 834 #endif
 835 #ifdef _SC_PAGESIZE
 836         sysval = sysconf(_SC_PAGESIZE);
 837         if (sysval > 0)
 838                 sys_page_size = sysval;
 839 #endif /* _SC_PAGESIZE */
 840 #endif /* HAVE_SYSCONF */
 841
 842         setbuf(stdout, NULL);
 843         setbuf(stderr, NULL);
 844         initialize_ext2_error_table();
 845         memset(&param, 0, sizeof(struct ext2_super_block));
 846         param.s_rev_level = 1;  /* Create revision 1 filesystems now */
 847         param.s_feature_incompat |= EXT2_FEATURE_INCOMPAT_FILETYPE;
 848         param.s_feature_ro_compat |= EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
 849 #if 0
 850         param.s_feature_compat |= EXT2_FEATURE_COMPAT_DIR_INDEX;
 851 #endif
 852
 853 #ifdef __linux__
 854         if (uname(&ut)) {
 855                 perror("uname");
 856                 exit(1);
 857         }
 858         if ((ut.release[0] == '1') ||
 859             (ut.release[0] == '2' && ut.release[1] == '.' &&
 860              ut.release[2] < '2' && ut.release[3] == '.')) {
 861                 param.s_rev_level = 0;
 862                 param.s_feature_incompat = 0;
 863                 param.s_feature_compat = 0;
 864                 param.s_feature_ro_compat = 0;
 865         }
 866 #endif
 867
 868         if (argc && *argv) {
 869                 program_name = get_progname(*argv);
 870
 871                 /* If called as mkfs.ext3, create a journal inode */
 872                 if (!strcmp(program_name, "mkfs.ext3"))
 873                         journal_size = -1;
 874         }
 875
 876         while ((c = getopt (argc, argv,
 877                     "b:cf:g:i:jl:m:no:qr:R:s:tvI:J:ST:FL:M:N:O:V")) != EOF)
 878                 switch (c) {
 879                 case 'b':
 880                         blocksize = strtol(optarg, &tmp, 0);
 881                         b = (blocksize > 0) ? blocksize : -blocksize;
 882                         if (b < EXT2_MIN_BLOCK_SIZE ||
 883                             b > EXT2_MAX_BLOCK_SIZE || *tmp) {
 884                                 com_err(program_name, 0,
 885                                         _("bad block size - %s"), optarg);
 886                                 exit(1);
 887                         }
 888                         if (blocksize > 4096)
 889                                 fprintf(stderr, _("Warning: blocksize %d not "
 890                                                   "usable on most systems.\n"),
 891                                         blocksize);
 892                         if (blocksize > 0)
 893                                 param.s_log_block_size =
 894                                         int_log2(blocksize >>
 895                                                  EXT2_MIN_BLOCK_LOG_SIZE);
 896                         break;
 897                 case 'c':       /* Check for bad blocks */
 898                 case 't':       /* deprecated */
 899                         cflag++;
 900                         break;
 901                 case 'f':
 902                         size = strtoul(optarg, &tmp, 0);
 903                         if (size < EXT2_MIN_BLOCK_SIZE ||
 904                             size > EXT2_MAX_BLOCK_SIZE || *tmp) {
 905                                 com_err(program_name, 0,
 906                                         _("bad fragment size - %s"),
 907                                         optarg);
 908                                 exit(1);
 909                         }
 910                         param.s_log_frag_size =
 911                                 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE);
 912                         fprintf(stderr, _("Warning: fragments not supported.  "
 913                                "Ignoring -f option\n"));
 914                         break;
 915                 case 'g':
 916                         param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
 917                         if (*tmp) {
 918                                 com_err(program_name, 0,
 919                                         _("Illegal number for blocks per group"));
 920                                 exit(1);
 921                         }
 922                         if ((param.s_blocks_per_group % 8) != 0) {
 923                                 com_err(program_name, 0,
 924                                 _("blocks per group must be multiple of 8"));
 925                                 exit(1);
 926                         }
 927                         break;
 928                 case 'i':
 929                         inode_ratio = strtoul(optarg, &tmp, 0);
 930                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
 931                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
 932                             *tmp) {
 933                                 com_err(program_name, 0,
 934                                         _("bad inode ratio %s (min %d/max %d"),
 935                                         optarg, EXT2_MIN_BLOCK_SIZE,
 936                                         EXT2_MAX_BLOCK_SIZE);
 937                                 exit(1);
 938                         }
 939                         break;
 940                 case 'J':
 941                         parse_journal_opts(optarg);
 942                         break;
 943                 case 'j':
 944                         param.s_feature_compat |=
 945                                 EXT3_FEATURE_COMPAT_HAS_JOURNAL;
 946                         if (!journal_size)
 947                                 journal_size = -1;
 948                         break;
 949                 case 'l':
 950                         bad_blocks_filename = malloc(strlen(optarg)+1);
 951                         if (!bad_blocks_filename) {
 952                                 com_err(program_name, ENOMEM,
 953                                         _("in malloc for bad_blocks_filename"));
 954                                 exit(1);
 955                         }
 956                         strcpy(bad_blocks_filename, optarg);
 957                         break;
 958                 case 'm':
 959                         reserved_ratio = strtoul(optarg, &tmp, 0);
 960                         if (reserved_ratio > 50 || *tmp) {
 961                                 com_err(program_name, 0,
 962                                         _("bad reserved blocks percent - %s"),
 963                                         optarg);
 964                                 exit(1);
 965                         }
 966                         break;
 967                 case 'n':
 968                         noaction++;
 969                         break;
 970                 case 'o':
 971                         creator_os = optarg;
 972                         break;
 973                 case 'r':
 974                         param.s_rev_level = atoi(optarg);
 975                         if (param.s_rev_level == EXT2_GOOD_OLD_REV) {
 976                                 param.s_feature_incompat = 0;
 977                                 param.s_feature_compat = 0;
 978                                 param.s_feature_ro_compat = 0;
 979                         }
 980                         break;
 981                 case 's':       /* deprecated */
 982                         if (atoi(optarg))
 983                                 param.s_feature_ro_compat |=
 984                                         EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
 985                         else
 986                                 param.s_feature_ro_compat &=
 987                                         ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
 988                         break;
 989 #ifdef EXT2_DYNAMIC_REV
 990                 case 'I':
 991                         inode_size = strtoul(optarg, &tmp, 0);
 992                         if (*tmp) {
 993                                 com_err(program_name, 0,
 994                                         _("bad inode size - %s"), optarg);
 995                                 exit(1);
 996                         }
 997                         break;
 998 #endif
 999                 case 'N':
1000                         num_inodes = atoi(optarg);
1001                         break;
1002                 case 'v':
1003                         verbose = 1;
1004                         break;
1005                 case 'q':
1006                         quiet = 1;
1007                         break;
1008                 case 'F':
1009                         force = 1;
1010                         break;
1011                 case 'L':
1012                         volume_label = optarg;
1013                         break;
1014                 case 'M':
1015                         mount_dir = optarg;
1016                         break;
1017                 case 'O':
1018                         if (!strcmp(optarg, "none") || default_features) {
1019                                 param.s_feature_compat = 0;
1020                                 param.s_feature_incompat = 0;
1021                                 param.s_feature_ro_compat = 0;
1022                                 default_features = 0;
1023                         }
1024                         if (!strcmp(optarg, "none"))
1025                                 break;
1026                         if (e2p_edit_feature(optarg,
1027                                             &param.s_feature_compat,
1028                                             ok_features)) {
1029                                 fprintf(stderr,
1030                                         _("Invalid filesystem option set: %s\n"), optarg);
1031                                 exit(1);
1032                         }
1033                         break;
1034                 case 'R':
1035                         raid_opts = optarg;
1036                         break;
1037                 case 'S':
1038                         super_only = 1;
1039                         break;
1040                 case 'T':
1041                         fs_type = optarg;
1042                         break;
1043                 case 'V':
1044                         /* Print version number and exit */
1045                         fprintf(stderr, _("\tUsing %s\n"),
1046                                 error_message(EXT2_ET_BASE));
1047                         exit(0);
1048                 default:
1049                         usage();
1050                 }
1051         if (optind == argc)
1052                 usage();
1053         device_name = argv[optind];
1054         optind++;
1055         if (optind < argc) {
1056                 unsigned long tmp2  = strtoul(argv[optind++], &tmp, 0);
1057
1058                 if ((*tmp) || (tmp2 > 0xfffffffful)) {
1059                         com_err(program_name, 0, _("bad blocks count - %s"),
1060                                 argv[optind - 1]);
1061                         exit(1);
1062                 }
1063                 param.s_blocks_count = tmp2;
1064         }
1065         if (optind < argc)
1066                 usage();
1067
1068         if (!quiet)
1069                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1070                          E2FSPROGS_DATE);
1071
1072         if (raid_opts)
1073                 parse_raid_opts(raid_opts);
1074
1075         /*
1076          * If there's no blocksize specified and there is a journal
1077          * device, use it to figure out the blocksize
1078          */
1079         if (blocksize <= 0 && journal_device) {
1080                 ext2_filsys     jfs;
1081
1082                 retval = ext2fs_open(journal_device,
1083                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1084                                      0, unix_io_manager, &jfs);
1085                 if (retval) {
1086                         com_err(program_name, retval,
1087                                 _("while trying to open journal device %s\n"),
1088                                 journal_device);
1089                         exit(1);
1090                 }
1091                 if ((blocksize < 0) && (jfs->blocksize < -blocksize)) {
1092                         com_err(program_name, 0,
1093                                 _("Journal dev blocksize (%d) smaller than "
1094                                   "minimum blocksize %d\n"), jfs->blocksize,
1095                                 -blocksize);
1096                         exit(1);
1097                 }
1098                 blocksize = jfs->blocksize;
1099                 param.s_log_block_size =
1100                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1101                 ext2fs_close(jfs);
1102         }
1103
1104         if (blocksize > sys_page_size) {
1105                 if (!force) {
1106                         com_err(program_name, 0,
1107                                 _("%d-byte blocks too big for system (max %d)"),
1108                                 blocksize, sys_page_size);
1109                         proceed_question();
1110                 }
1111                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
1112                                   "(max %d), forced to continue\n"),
1113                         blocksize, sys_page_size);
1114         }
1115
1116         if (param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1117                 if (!fs_type)
1118                         fs_type = "journal";
1119                 reserved_ratio = 0;
1120                 param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
1121                 param.s_feature_compat = 0;
1122                 param.s_feature_ro_compat = 0;
1123         }
1124         if (param.s_rev_level == EXT2_GOOD_OLD_REV &&
1125             (param.s_feature_compat || param.s_feature_ro_compat ||
1126              param.s_feature_incompat))
1127                 param.s_rev_level = 1;  /* Create a revision 1 filesystem */
1128
1129         if (!force)
1130                 check_plausibility(device_name);
1131         check_mount(device_name, force, _("filesystem"));
1132
1133         param.s_log_frag_size = param.s_log_block_size;
1134
1135         if (noaction && param.s_blocks_count) {
1136                 dev_size = param.s_blocks_count;
1137                 retval = 0;
1138         } else
1139                 retval = ext2fs_get_device_size(device_name,
1140                                                 EXT2_BLOCK_SIZE(&param),
1141                                                 &dev_size);
1142         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1143                 com_err(program_name, retval,
1144                         _("while trying to determine filesystem size"));
1145                 exit(1);
1146         }
1147         if (!param.s_blocks_count) {
1148                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1149                         com_err(program_name, 0,
1150                                 _("Couldn't determine device size; you "
1151                                 "must specify\nthe size of the "
1152                                 "filesystem\n"));
1153                         exit(1);
1154                 } else {
1155                         if (dev_size == 0) {
1156                                 com_err(program_name, 0,
1157                                 _("Device size reported to be zero.  "
1158                                   "Invalid partition specified, or\n\t"
1159                                   "partition table wasn't reread "
1160                                   "after running fdisk, due to\n\t"
1161                                   "a modified partition being busy "
1162                                   "and in use.  You may need to reboot\n\t"
1163                                   "to re-read your partition table.\n"
1164                                   ));
1165                                 exit(1);
1166                         }
1167                         param.s_blocks_count = dev_size;
1168                 }
1169
1170         } else if (!force && (param.s_blocks_count > dev_size)) {
1171                 com_err(program_name, 0,
1172                         _("Filesystem larger than apparent device size."));
1173                 proceed_question();
1174         }
1175
1176         /*
1177          * If the user asked for HAS_JOURNAL, then make sure a journal
1178          * gets created.
1179          */
1180         if ((param.s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
1181             !journal_size)
1182                 journal_size = -1;
1183
1184         /* Set first meta blockgroup via an environment variable */
1185         /* (this is mostly for debugging purposes) */
1186         if ((param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
1187             ((tmp = getenv("MKE2FS_FIRST_META_BG"))))
1188                 param.s_first_meta_bg = atoi(tmp);
1189
1190         set_fs_defaults(fs_type, &param, blocksize, &inode_ratio);
1191         blocksize = EXT2_BLOCK_SIZE(&param);
1192
1193         if (param.s_blocks_per_group) {
1194                 if (param.s_blocks_per_group < 256 ||
1195                     param.s_blocks_per_group > 8 * blocksize) {
1196                         com_err(program_name, 0,
1197                                 _("blocks per group count out of range"));
1198                         exit(1);
1199                 }
1200         }
1201
1202         if (inode_size) {
1203                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
1204                     inode_size > EXT2_BLOCK_SIZE(&param) ||
1205                     inode_size & (inode_size - 1)) {
1206                         com_err(program_name, 0,
1207                                 _("bad inode size %d (min %d/max %d)"),
1208                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
1209                                 blocksize);
1210                         exit(1);
1211                 }
1212                 if (inode_size != EXT2_GOOD_OLD_INODE_SIZE)
1213                         fprintf(stderr, _("Warning: %d-byte inodes not usable "
1214                                 "on most systems\n"),
1215                                 inode_size);
1216                 param.s_inode_size = inode_size;
1217         }
1218
1219         /*
1220          * Calculate number of inodes based on the inode ratio
1221          */
1222         param.s_inodes_count = num_inodes ? num_inodes :
1223                 ((__u64) param.s_blocks_count * blocksize)
1224                         / inode_ratio;
1225
1226         /*
1227          * Calculate number of blocks to reserve
1228          */
1229         param.s_r_blocks_count = (param.s_blocks_count * reserved_ratio) / 100;
1230
1231 }
1232
1233 int main (int argc, char *argv[])
1234 {
1235         errcode_t       retval = 0;
1236         ext2_filsys     fs;
1237         badblocks_list  bb_list = 0;
1238         int             journal_blocks;
1239         int             i, val;
1240
1241 #ifdef ENABLE_NLS
1242         setlocale(LC_MESSAGES, "");
1243         setlocale(LC_CTYPE, "");
1244         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
1245         textdomain(NLS_CAT_NAME);
1246 #endif
1247         PRS(argc, argv);
1248
1249         /*
1250          * Initialize the superblock....
1251          */
1252         retval = ext2fs_initialize(device_name, 0, &param,
1253                                    unix_io_manager, &fs);
1254         if (retval) {
1255                 com_err(device_name, retval, _("while setting up superblock"));
1256                 exit(1);
1257         }
1258
1259         /*
1260          * Wipe out the old on-disk superblock
1261          */
1262         if (!noaction)
1263                 zap_sector(fs, 2, 6);
1264
1265         /*
1266          * Generate a UUID for it...
1267          */
1268         uuid_generate(fs->super->s_uuid);
1269
1270         /*
1271          * Initialize the directory index variables
1272          */
1273         fs->super->s_def_hash_version = EXT2_HASH_TEA;
1274         uuid_generate((unsigned char *) fs->super->s_hash_seed);
1275
1276         /*
1277          * Add "jitter" to the superblock's check interval so that we
1278          * don't check all the filesystems at the same time.  We use a
1279          * kludgy hack of using the UUID to derive a random jitter value.
1280          */
1281         for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
1282                 val += fs->super->s_uuid[i];
1283         fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
1284
1285         /*
1286          * Override the creator OS, if applicable
1287          */
1288         if (creator_os && !set_os(fs->super, creator_os)) {
1289                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
1290                 exit(1);
1291         }
1292
1293         /*
1294          * For the Hurd, we will turn off filetype since it doesn't
1295          * support it.
1296          */
1297         if (fs->super->s_creator_os == EXT2_OS_HURD)
1298                 fs->super->s_feature_incompat &=
1299                         ~EXT2_FEATURE_INCOMPAT_FILETYPE;
1300
1301         /*
1302          * Set the volume label...
1303          */
1304         if (volume_label) {
1305                 memset(fs->super->s_volume_name, 0,
1306                        sizeof(fs->super->s_volume_name));
1307                 strncpy(fs->super->s_volume_name, volume_label,
1308                         sizeof(fs->super->s_volume_name));
1309         }
1310
1311         /*
1312          * Set the last mount directory
1313          */
1314         if (mount_dir) {
1315                 memset(fs->super->s_last_mounted, 0,
1316                        sizeof(fs->super->s_last_mounted));
1317                 strncpy(fs->super->s_last_mounted, mount_dir,
1318                         sizeof(fs->super->s_last_mounted));
1319         }
1320
1321         if (!quiet || noaction)
1322                 show_stats(fs);
1323
1324         if (noaction)
1325                 exit(0);
1326
1327         if (fs->super->s_feature_incompat &
1328             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1329                 create_journal_dev(fs);
1330                 exit(ext2fs_close(fs) ? 1 : 0);
1331         }
1332
1333         if (bad_blocks_filename)
1334                 read_bb_file(fs, &bb_list, bad_blocks_filename);
1335         if (cflag)
1336                 test_disk(fs, &bb_list);
1337
1338         handle_bad_blocks(fs, bb_list);
1339         fs->stride = fs_stride;
1340         retval = ext2fs_allocate_tables(fs);
1341         if (retval) {
1342                 com_err(program_name, retval,
1343                         _("while trying to allocate filesystem tables"));
1344                 exit(1);
1345         }
1346         if (super_only) {
1347                 fs->super->s_state |= EXT2_ERROR_FS;
1348                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
1349         } else {
1350                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
1351                 int rsv = 65536 / fs->blocksize;
1352                 unsigned long blocks = fs->super->s_blocks_count;
1353                 unsigned long start;
1354                 blk_t ret_blk;
1355
1356 #ifdef ZAP_BOOTBLOCK
1357                 zap_sector(fs, 0, 2);
1358 #endif
1359
1360                 /*
1361                  * Wipe out any old MD RAID (or other) metadata at the end
1362                  * of the device.  This will also verify that the device is
1363                  * as large as we think.  Be careful with very small devices.
1364                  */
1365                 start = (blocks & ~(rsv - 1));
1366                 if (start > rsv)
1367                         start -= rsv;
1368                 if (start > 0)
1369                         retval = zero_blocks(fs, start, blocks - start,
1370                                              NULL, &ret_blk, NULL);
1371
1372                 if (retval) {
1373                         com_err(program_name, retval,
1374                                 _("while zeroing block %u at end of filesystem"),
1375                                 ret_blk);
1376                 }
1377                 write_inode_tables(fs);
1378                 create_root_dir(fs);
1379                 create_lost_and_found(fs);
1380                 reserve_inodes(fs);
1381                 create_bad_block_inode(fs, bb_list);
1382         }
1383
1384         if (journal_device) {
1385                 ext2_filsys     jfs;
1386
1387                 if (!force)
1388                         check_plausibility(journal_device);
1389                 check_mount(journal_device, force, _("journal"));
1390
1391                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
1392                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1393                                      fs->blocksize, unix_io_manager, &jfs);
1394                 if (retval) {
1395                         com_err(program_name, retval,
1396                                 _("while trying to open journal device %s\n"),
1397                                 journal_device);
1398                         exit(1);
1399                 }
1400                 if (!quiet) {
1401                         printf(_("Adding journal to device %s: "),
1402                                journal_device);
1403                         fflush(stdout);
1404                 }
1405                 retval = ext2fs_add_journal_device(fs, jfs);
1406                 if(retval) {
1407                         com_err (program_name, retval,
1408                                  _("\n\twhile trying to add journal to device %s"),
1409                                  journal_device);
1410                         exit(1);
1411                 }
1412                 if (!quiet)
1413                         printf(_("done\n"));
1414                 ext2fs_close(jfs);
1415                 free(journal_device);
1416         } else if (journal_size) {
1417                 journal_blocks = figure_journal_size(journal_size, fs);
1418
1419                 if (!journal_blocks) {
1420                         fs->super->s_feature_compat &=
1421                                 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
1422                         goto no_journal;
1423                 }
1424                 if (!quiet) {
1425                         printf(_("Creating journal (%d blocks): "),
1426                                journal_blocks);
1427                         fflush(stdout);
1428                 }
1429                 retval = ext2fs_add_journal_inode(fs, journal_blocks,
1430                                                   journal_flags);
1431                 if (retval) {
1432                         com_err (program_name, retval,
1433                                  _("\n\twhile trying to create journal"));
1434                         exit(1);
1435                 }
1436                 if (!quiet)
1437                         printf(_("done\n"));
1438         }
1439 no_journal:
1440
1441         if (!quiet)
1442                 printf(_("Writing superblocks and "
1443                        "filesystem accounting information: "));
1444         retval = ext2fs_flush(fs);
1445         if (retval) {
1446                 fprintf(stderr,
1447                         _("\nWarning, had trouble writing out superblocks."));
1448         }
1449         if (!quiet) {
1450                 printf(_("done\n\n"));
1451                 print_check_message(fs);
1452         }
1453         val = ext2fs_close(fs);
1454         return (retval || val) ? 1 : 0;
1455 }