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 #include <stdio.h>
  20 #include <string.h>
  21 #include <fcntl.h>
  22 #include <ctype.h>
  23 #include <time.h>
  24 #ifdef __linux__
  25 #include <sys/utsname.h>
  26 #endif
  27 #ifdef HAVE_GETOPT_H
  28 #include <getopt.h>
  29 #else
  30 extern char *optarg;
  31 extern int optind;
  32 #endif
  33 #ifdef HAVE_UNISTD_H
  34 #include <unistd.h>
  35 #endif
  36 #ifdef HAVE_STDLIB_H
  37 #include <stdlib.h>
  38 #endif
  39 #ifdef HAVE_ERRNO_H
  40 #include <errno.h>
  41 #endif
  42 #ifdef HAVE_MNTENT_H
  43 #include <mntent.h>
  44 #endif
  45 #include <sys/ioctl.h>
  46 #include <sys/types.h>
  47 #include <libgen.h>
  48 #include <limits.h>
  49
  50 #include "ext2fs/ext2_fs.h"
  51 #include "et/com_err.h"
  52 #include "uuid/uuid.h"
  53 #include "e2p/e2p.h"
  54 #include "ext2fs/ext2fs.h"
  55 #include "util.h"
  56 #include "profile.h"
  57 #include "prof_err.h"
  58 #include "../version.h"
  59 #include "nls-enable.h"
  60
  61 #define STRIDE_LENGTH 8
  62
  63 #ifndef __sparc__
  64 #define ZAP_BOOTBLOCK
  65 #endif
  66
  67 extern int isatty(int);
  68 extern FILE *fpopen(const char *cmd, const char *mode);
  69
  70 const char * program_name = "mke2fs";
  71 const char * device_name /* = NULL */;
  72
  73 /* Command line options */
  74 int     cflag;
  75 int     verbose;
  76 int     quiet;
  77 int     super_only;
  78 int     force;
  79 int     noaction;
  80 int     journal_size;
  81 int     journal_flags;
  82 int     lazy_itable_init;
  83 char    *bad_blocks_filename;
  84 __u32   fs_stride;
  85
  86 struct ext2_super_block fs_param;
  87 char *creator_os;
  88 char *volume_label;
  89 char *mount_dir;
  90 char *journal_device;
  91 int sync_kludge;        /* Set using the MKE2FS_SYNC env. option */
  92 char **fs_types;
  93
  94 profile_t       profile;
  95
  96 int sys_page_size = 4096;
  97 int linux_version_code = 0;
  98
  99 static void usage(void)
 100 {
 101         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 102         "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 103         "[-J journal-options]\n"
 104         "\t[-G meta group size] [-N number-of-inodes]\n"
 105         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 106         "\t[-g blocks-per-group] [-L volume-label] "
 107         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 108         "[-r fs-revision] [-E extended-option[,...]]\n"
 109         "\t[-T fs-type] [-jnqvFSV] device [blocks-count]\n"),
 110                 program_name);
 111         exit(1);
 112 }
 113
 114 static int int_log2(int arg)
 115 {
 116         int     l = 0;
 117
 118         arg >>= 1;
 119         while (arg) {
 120                 l++;
 121                 arg >>= 1;
 122         }
 123         return l;
 124 }
 125
 126 static int int_log10(unsigned int arg)
 127 {
 128         int     l;
 129
 130         for (l=0; arg ; l++)
 131                 arg = arg / 10;
 132         return l;
 133 }
 134
 135 static int parse_version_number(const char *s)
 136 {
 137         int     major, minor, rev;
 138         char    *endptr;
 139         const char *cp = s;
 140
 141         if (!s)
 142                 return 0;
 143         major = strtol(cp, &endptr, 10);
 144         if (cp == endptr || *endptr != '.')
 145                 return 0;
 146         cp = endptr + 1;
 147         minor = strtol(cp, &endptr, 10);
 148         if (cp == endptr || *endptr != '.')
 149                 return 0;
 150         cp = endptr + 1;
 151         rev = strtol(cp, &endptr, 10);
 152         if (cp == endptr)
 153                 return 0;
 154         return ((((major * 256) + minor) * 256) + rev);
 155 }
 156
 157 /*
 158  * Helper function for read_bb_file and test_disk
 159  */
 160 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 161 {
 162         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 163         return;
 164 }
 165
 166 /*
 167  * Reads the bad blocks list from a file
 168  */
 169 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 170                          const char *bad_blocks_file)
 171 {
 172         FILE            *f;
 173         errcode_t       retval;
 174
 175         f = fopen(bad_blocks_file, "r");
 176         if (!f) {
 177                 com_err("read_bad_blocks_file", errno,
 178                         _("while trying to open %s"), bad_blocks_file);
 179                 exit(1);
 180         }
 181         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 182         fclose (f);
 183         if (retval) {
 184                 com_err("ext2fs_read_bb_FILE", retval,
 185                         _("while reading in list of bad blocks from file"));
 186                 exit(1);
 187         }
 188 }
 189
 190 /*
 191  * Runs the badblocks program to test the disk
 192  */
 193 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 194 {
 195         FILE            *f;
 196         errcode_t       retval;
 197         char            buf[1024];
 198
 199         sprintf(buf, "badblocks -b %d -X %s%s%s %u", fs->blocksize,
 200                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 201                 fs->device_name, fs->super->s_blocks_count-1);
 202         if (verbose)
 203                 printf(_("Running command: %s\n"), buf);
 204         f = popen(buf, "r");
 205         if (!f) {
 206                 com_err("popen", errno,
 207                         _("while trying to run '%s'"), buf);
 208                 exit(1);
 209         }
 210         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 211         pclose(f);
 212         if (retval) {
 213                 com_err("ext2fs_read_bb_FILE", retval,
 214                         _("while processing list of bad blocks from program"));
 215                 exit(1);
 216         }
 217 }
 218
 219 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 220 {
 221         dgrp_t                  i;
 222         blk_t                   j;
 223         unsigned                must_be_good;
 224         blk_t                   blk;
 225         badblocks_iterate       bb_iter;
 226         errcode_t               retval;
 227         blk_t                   group_block;
 228         int                     group;
 229         int                     group_bad;
 230
 231         if (!bb_list)
 232                 return;
 233
 234         /*
 235          * The primary superblock and group descriptors *must* be
 236          * good; if not, abort.
 237          */
 238         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 239         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 240                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 241                         fprintf(stderr, _("Block %d in primary "
 242                                 "superblock/group descriptor area bad.\n"), i);
 243                         fprintf(stderr, _("Blocks %u through %u must be good "
 244                                 "in order to build a filesystem.\n"),
 245                                 fs->super->s_first_data_block, must_be_good);
 246                         fputs(_("Aborting....\n"), stderr);
 247                         exit(1);
 248                 }
 249         }
 250
 251         /*
 252          * See if any of the bad blocks are showing up in the backup
 253          * superblocks and/or group descriptors.  If so, issue a
 254          * warning and adjust the block counts appropriately.
 255          */
 256         group_block = fs->super->s_first_data_block +
 257                 fs->super->s_blocks_per_group;
 258
 259         for (i = 1; i < fs->group_desc_count; i++) {
 260                 group_bad = 0;
 261                 for (j=0; j < fs->desc_blocks+1; j++) {
 262                         if (ext2fs_badblocks_list_test(bb_list,
 263                                                        group_block + j)) {
 264                                 if (!group_bad)
 265                                         fprintf(stderr,
 266 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 267 "       bad blocks.\n\n"),
 268                                                 group_block);
 269                                 group_bad++;
 270                                 group = ext2fs_group_of_blk(fs, group_block+j);
 271                                 fs->group_desc[group].bg_free_blocks_count++;
 272                                 ext2fs_group_desc_csum_set(fs, group);
 273                                 fs->super->s_free_blocks_count++;
 274                         }
 275                 }
 276                 group_block += fs->super->s_blocks_per_group;
 277         }
 278
 279         /*
 280          * Mark all the bad blocks as used...
 281          */
 282         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 283         if (retval) {
 284                 com_err("ext2fs_badblocks_list_iterate_begin", retval,
 285                         _("while marking bad blocks as used"));
 286                 exit(1);
 287         }
 288         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 289                 ext2fs_mark_block_bitmap(fs->block_map, blk);
 290         ext2fs_badblocks_list_iterate_end(bb_iter);
 291 }
 292
 293 /*
 294  * These functions implement a generalized progress meter.
 295  */
 296 struct progress_struct {
 297         char            format[20];
 298         char            backup[80];
 299         __u32           max;
 300         int             skip_progress;
 301 };
 302
 303 static void progress_init(struct progress_struct *progress,
 304                           const char *label,__u32 max)
 305 {
 306         int     i;
 307
 308         memset(progress, 0, sizeof(struct progress_struct));
 309         if (quiet)
 310                 return;
 311
 312         /*
 313          * Figure out how many digits we need
 314          */
 315         i = int_log10(max);
 316         sprintf(progress->format, "%%%dd/%%%dld", i, i);
 317         memset(progress->backup, '\b', sizeof(progress->backup)-1);
 318         progress->backup[sizeof(progress->backup)-1] = 0;
 319         if ((2*i)+1 < (int) sizeof(progress->backup))
 320                 progress->backup[(2*i)+1] = 0;
 321         progress->max = max;
 322
 323         progress->skip_progress = 0;
 324         if (getenv("MKE2FS_SKIP_PROGRESS"))
 325                 progress->skip_progress++;
 326
 327         fputs(label, stdout);
 328         fflush(stdout);
 329 }
 330
 331 static void progress_update(struct progress_struct *progress, __u32 val)
 332 {
 333         if ((progress->format[0] == 0) || progress->skip_progress)
 334                 return;
 335         printf(progress->format, val, progress->max);
 336         fputs(progress->backup, stdout);
 337 }
 338
 339 static void progress_close(struct progress_struct *progress)
 340 {
 341         if (progress->format[0] == 0)
 342                 return;
 343         fputs(_("done                            \n"), stdout);
 344 }
 345
 346 static void write_inode_tables(ext2_filsys fs, int lazy_flag)
 347 {
 348         errcode_t       retval;
 349         blk_t           blk;
 350         dgrp_t          i;
 351         int             num, ipb;
 352         struct progress_struct progress;
 353
 354         if (quiet)
 355                 memset(&progress, 0, sizeof(progress));
 356         else
 357                 progress_init(&progress, _("Writing inode tables: "),
 358                               fs->group_desc_count);
 359
 360         for (i = 0; i < fs->group_desc_count; i++) {
 361                 progress_update(&progress, i);
 362
 363                 blk = fs->group_desc[i].bg_inode_table;
 364                 num = fs->inode_blocks_per_group;
 365
 366                 if (lazy_flag) {
 367                         ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super);
 368                         num = ((((fs->super->s_inodes_per_group -
 369                                   fs->group_desc[i].bg_itable_unused) *
 370                                  EXT2_INODE_SIZE(fs->super)) +
 371                                 EXT2_BLOCK_SIZE(fs->super) - 1) /
 372                                EXT2_BLOCK_SIZE(fs->super));
 373                 } else {
 374                         /* The kernel doesn't need to zero the itable blocks */
 375                         fs->group_desc[i].bg_flags |= EXT2_BG_INODE_ZEROED;
 376                         ext2fs_group_desc_csum_set(fs, i);
 377                 }
 378                 retval = ext2fs_zero_blocks(fs, blk, num, &blk, &num);
 379                 if (retval) {
 380                         fprintf(stderr, _("\nCould not write %d "
 381                                   "blocks in inode table starting at %u: %s\n"),
 382                                 num, blk, error_message(retval));
 383                         exit(1);
 384                 }
 385                 if (sync_kludge) {
 386                         if (sync_kludge == 1)
 387                                 sync();
 388                         else if ((i % sync_kludge) == 0)
 389                                 sync();
 390                 }
 391         }
 392         ext2fs_zero_blocks(0, 0, 0, 0, 0);
 393         progress_close(&progress);
 394 }
 395
 396 static void create_root_dir(ext2_filsys fs)
 397 {
 398         errcode_t               retval;
 399         struct ext2_inode       inode;
 400         __u32                   uid, gid;
 401
 402         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 403         if (retval) {
 404                 com_err("ext2fs_mkdir", retval, _("while creating root dir"));
 405                 exit(1);
 406         }
 407         if (geteuid()) {
 408                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 409                 if (retval) {
 410                         com_err("ext2fs_read_inode", retval,
 411                                 _("while reading root inode"));
 412                         exit(1);
 413                 }
 414                 uid = getuid();
 415                 inode.i_uid = uid;
 416                 ext2fs_set_i_uid_high(inode, uid >> 16);
 417                 if (uid) {
 418                         gid = getgid();
 419                         inode.i_gid = gid;
 420                         ext2fs_set_i_gid_high(inode, gid >> 16);
 421                 }
 422                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 423                 if (retval) {
 424                         com_err("ext2fs_write_inode", retval,
 425                                 _("while setting root inode ownership"));
 426                         exit(1);
 427                 }
 428         }
 429 }
 430
 431 static void create_lost_and_found(ext2_filsys fs)
 432 {
 433         unsigned int            lpf_size = 0;
 434         errcode_t               retval;
 435         ext2_ino_t              ino;
 436         const char              *name = "lost+found";
 437         int                     i;
 438
 439         fs->umask = 077;
 440         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 441         if (retval) {
 442                 com_err("ext2fs_mkdir", retval,
 443                         _("while creating /lost+found"));
 444                 exit(1);
 445         }
 446
 447         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 448         if (retval) {
 449                 com_err("ext2_lookup", retval,
 450                         _("while looking up /lost+found"));
 451                 exit(1);
 452         }
 453
 454         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 455                 /* Ensure that lost+found is at least 2 blocks, so we always
 456                  * test large empty blocks for big-block filesystems.  */
 457                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 458                     lpf_size >= 2 * fs->blocksize)
 459                         break;
 460                 retval = ext2fs_expand_dir(fs, ino);
 461                 if (retval) {
 462                         com_err("ext2fs_expand_dir", retval,
 463                                 _("while expanding /lost+found"));
 464                         exit(1);
 465                 }
 466         }
 467 }
 468
 469 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 470 {
 471         errcode_t       retval;
 472
 473         ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO);
 474         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 475         retval = ext2fs_update_bb_inode(fs, bb_list);
 476         if (retval) {
 477                 com_err("ext2fs_update_bb_inode", retval,
 478                         _("while setting bad block inode"));
 479                 exit(1);
 480         }
 481
 482 }
 483
 484 static void reserve_inodes(ext2_filsys fs)
 485 {
 486         ext2_ino_t      i;
 487
 488         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 489                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 490         ext2fs_mark_ib_dirty(fs);
 491 }
 492
 493 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 494 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 495 #define BSD_LABEL_OFFSET        64
 496
 497 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 498 {
 499         char *buf;
 500         int retval;
 501         unsigned int *magic;
 502
 503         buf = malloc(512*nsect);
 504         if (!buf) {
 505                 printf(_("Out of memory erasing sectors %d-%d\n"),
 506                        sect, sect + nsect - 1);
 507                 exit(1);
 508         }
 509
 510         if (sect == 0) {
 511                 /* Check for a BSD disklabel, and don't erase it if so */
 512                 retval = io_channel_read_blk(fs->io, 0, -512, buf);
 513                 if (retval)
 514                         fprintf(stderr,
 515                                 _("Warning: could not read block 0: %s\n"),
 516                                 error_message(retval));
 517                 else {
 518                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 519                         if ((*magic == BSD_DISKMAGIC) ||
 520                             (*magic == BSD_MAGICDISK))
 521                                 return;
 522                 }
 523         }
 524
 525         memset(buf, 0, 512*nsect);
 526         io_channel_set_blksize(fs->io, 512);
 527         retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf);
 528         io_channel_set_blksize(fs->io, fs->blocksize);
 529         free(buf);
 530         if (retval)
 531                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 532                         sect, error_message(retval));
 533 }
 534
 535 static void create_journal_dev(ext2_filsys fs)
 536 {
 537         struct progress_struct progress;
 538         errcode_t               retval;
 539         char                    *buf;
 540         blk_t                   blk, err_blk;
 541         int                     c, count, err_count;
 542
 543         retval = ext2fs_create_journal_superblock(fs,
 544                                   fs->super->s_blocks_count, 0, &buf);
 545         if (retval) {
 546                 com_err("create_journal_dev", retval,
 547                         _("while initializing journal superblock"));
 548                 exit(1);
 549         }
 550         if (quiet)
 551                 memset(&progress, 0, sizeof(progress));
 552         else
 553                 progress_init(&progress, _("Zeroing journal device: "),
 554                               fs->super->s_blocks_count);
 555
 556         blk = 0;
 557         count = fs->super->s_blocks_count;
 558         while (count > 0) {
 559                 if (count > 1024)
 560                         c = 1024;
 561                 else
 562                         c = count;
 563                 retval = ext2fs_zero_blocks(fs, blk, c, &err_blk, &err_count);
 564                 if (retval) {
 565                         com_err("create_journal_dev", retval,
 566                                 _("while zeroing journal device "
 567                                   "(block %u, count %d)"),
 568                                 err_blk, err_count);
 569                         exit(1);
 570                 }
 571                 blk += c;
 572                 count -= c;
 573                 progress_update(&progress, blk);
 574         }
 575         ext2fs_zero_blocks(0, 0, 0, 0, 0);
 576
 577         retval = io_channel_write_blk(fs->io,
 578                                       fs->super->s_first_data_block+1,
 579                                       1, buf);
 580         if (retval) {
 581                 com_err("create_journal_dev", retval,
 582                         _("while writing journal superblock"));
 583                 exit(1);
 584         }
 585         progress_close(&progress);
 586 }
 587
 588 static void show_stats(ext2_filsys fs)
 589 {
 590         struct ext2_super_block *s = fs->super;
 591         char                    buf[80];
 592         char                    *os;
 593         blk_t                   group_block;
 594         dgrp_t                  i;
 595         int                     need, col_left;
 596
 597         if (fs_param.s_blocks_count != s->s_blocks_count)
 598                 fprintf(stderr, _("warning: %u blocks unused.\n\n"),
 599                        fs_param.s_blocks_count - s->s_blocks_count);
 600
 601         memset(buf, 0, sizeof(buf));
 602         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 603         printf(_("Filesystem label=%s\n"), buf);
 604         fputs(_("OS type: "), stdout);
 605         os = e2p_os2string(fs->super->s_creator_os);
 606         fputs(os, stdout);
 607         free(os);
 608         printf("\n");
 609         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 610                 s->s_log_block_size);
 611         printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize,
 612                 s->s_log_frag_size);
 613         printf(_("%u inodes, %u blocks\n"), s->s_inodes_count,
 614                s->s_blocks_count);
 615         printf(_("%u blocks (%2.2f%%) reserved for the super user\n"),
 616                 s->s_r_blocks_count,
 617                100.0 * s->s_r_blocks_count / s->s_blocks_count);
 618         printf(_("First data block=%u\n"), s->s_first_data_block);
 619         if (s->s_reserved_gdt_blocks)
 620                 printf(_("Maximum filesystem blocks=%lu\n"),
 621                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 622                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 623         if (fs->group_desc_count > 1)
 624                 printf(_("%u block groups\n"), fs->group_desc_count);
 625         else
 626                 printf(_("%u block group\n"), fs->group_desc_count);
 627         printf(_("%u blocks per group, %u fragments per group\n"),
 628                s->s_blocks_per_group, s->s_frags_per_group);
 629         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 630
 631         if (fs->group_desc_count == 1) {
 632                 printf("\n");
 633                 return;
 634         }
 635
 636         printf(_("Superblock backups stored on blocks: "));
 637         group_block = s->s_first_data_block;
 638         col_left = 0;
 639         for (i = 1; i < fs->group_desc_count; i++) {
 640                 group_block += s->s_blocks_per_group;
 641                 if (!ext2fs_bg_has_super(fs, i))
 642                         continue;
 643                 if (i != 1)
 644                         printf(", ");
 645                 need = int_log10(group_block) + 2;
 646                 if (need > col_left) {
 647                         printf("\n\t");
 648                         col_left = 72;
 649                 }
 650                 col_left -= need;
 651                 printf("%u", group_block);
 652         }
 653         printf("\n\n");
 654 }
 655
 656 /*
 657  * Set the S_CREATOR_OS field.  Return true if OS is known,
 658  * otherwise, 0.
 659  */
 660 static int set_os(struct ext2_super_block *sb, char *os)
 661 {
 662         if (isdigit (*os))
 663                 sb->s_creator_os = atoi (os);
 664         else if (strcasecmp(os, "linux") == 0)
 665                 sb->s_creator_os = EXT2_OS_LINUX;
 666         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 667                 sb->s_creator_os = EXT2_OS_HURD;
 668         else if (strcasecmp(os, "freebsd") == 0)
 669                 sb->s_creator_os = EXT2_OS_FREEBSD;
 670         else if (strcasecmp(os, "lites") == 0)
 671                 sb->s_creator_os = EXT2_OS_LITES;
 672         else
 673                 return 0;
 674         return 1;
 675 }
 676
 677 #define PATH_SET "PATH=/sbin"
 678
 679 static void parse_extended_opts(struct ext2_super_block *param,
 680                                 const char *opts)
 681 {
 682         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 683         int     len;
 684         int     r_usage = 0;
 685
 686         len = strlen(opts);
 687         buf = malloc(len+1);
 688         if (!buf) {
 689                 fprintf(stderr,
 690                         _("Couldn't allocate memory to parse options!\n"));
 691                 exit(1);
 692         }
 693         strcpy(buf, opts);
 694         for (token = buf; token && *token; token = next) {
 695                 p = strchr(token, ',');
 696                 next = 0;
 697                 if (p) {
 698                         *p = 0;
 699                         next = p+1;
 700                 }
 701                 arg = strchr(token, '=');
 702                 if (arg) {
 703                         *arg = 0;
 704                         arg++;
 705                 }
 706                 if (strcmp(token, "stride") == 0) {
 707                         if (!arg) {
 708                                 r_usage++;
 709                                 badopt = token;
 710                                 continue;
 711                         }
 712                         param->s_raid_stride = strtoul(arg, &p, 0);
 713                         if (*p || (param->s_raid_stride == 0)) {
 714                                 fprintf(stderr,
 715                                         _("Invalid stride parameter: %s\n"),
 716                                         arg);
 717                                 r_usage++;
 718                                 continue;
 719                         }
 720                 } else if (strcmp(token, "stripe-width") == 0 ||
 721                            strcmp(token, "stripe_width") == 0) {
 722                         if (!arg) {
 723                                 r_usage++;
 724                                 badopt = token;
 725                                 continue;
 726                         }
 727                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 728                         if (*p || (param->s_raid_stripe_width == 0)) {
 729                                 fprintf(stderr,
 730                                         _("Invalid stripe-width parameter: %s\n"),
 731                                         arg);
 732                                 r_usage++;
 733                                 continue;
 734                         }
 735                 } else if (!strcmp(token, "resize")) {
 736                         unsigned long resize, bpg, rsv_groups;
 737                         unsigned long group_desc_count, desc_blocks;
 738                         unsigned int gdpb, blocksize;
 739                         int rsv_gdb;
 740
 741                         if (!arg) {
 742                                 r_usage++;
 743                                 badopt = token;
 744                                 continue;
 745                         }
 746
 747                         resize = parse_num_blocks(arg,
 748                                                   param->s_log_block_size);
 749
 750                         if (resize == 0) {
 751                                 fprintf(stderr,
 752                                         _("Invalid resize parameter: %s\n"),
 753                                         arg);
 754                                 r_usage++;
 755                                 continue;
 756                         }
 757                         if (resize <= param->s_blocks_count) {
 758                                 fprintf(stderr,
 759                                         _("The resize maximum must be greater "
 760                                           "than the filesystem size.\n"));
 761                                 r_usage++;
 762                                 continue;
 763                         }
 764
 765                         blocksize = EXT2_BLOCK_SIZE(param);
 766                         bpg = param->s_blocks_per_group;
 767                         if (!bpg)
 768                                 bpg = blocksize * 8;
 769                         gdpb = EXT2_DESC_PER_BLOCK(param);
 770                         group_desc_count =
 771                                 ext2fs_div_ceil(param->s_blocks_count, bpg);
 772                         desc_blocks = (group_desc_count +
 773                                        gdpb - 1) / gdpb;
 774                         rsv_groups = ext2fs_div_ceil(resize, bpg);
 775                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 776                                 desc_blocks;
 777                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 778                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 779
 780                         if (rsv_gdb > 0) {
 781                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 782                                         fprintf(stderr,
 783         _("On-line resizing not supported with revision 0 filesystems\n"));
 784                                         free(buf);
 785                                         exit(1);
 786                                 }
 787                                 param->s_feature_compat |=
 788                                         EXT2_FEATURE_COMPAT_RESIZE_INODE;
 789
 790                                 param->s_reserved_gdt_blocks = rsv_gdb;
 791                         }
 792                 } else if (!strcmp(token, "test_fs")) {
 793                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 794                 } else if (!strcmp(token, "lazy_itable_init")) {
 795                         if (arg)
 796                                 lazy_itable_init = strtoul(arg, &p, 0);
 797                         else
 798                                 lazy_itable_init = 1;
 799                 } else {
 800                         r_usage++;
 801                         badopt = token;
 802                 }
 803         }
 804         if (r_usage) {
 805                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
 806                         "Extended options are separated by commas, "
 807                         "and may take an argument which\n"
 808                         "\tis set off by an equals ('=') sign.\n\n"
 809                         "Valid extended options are:\n"
 810                         "\tstride=<RAID per-disk data chunk in blocks>\n"
 811                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
 812                         "\tresize=<resize maximum size in blocks>\n"
 813                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
 814                         "\ttest_fs\n\n"),
 815                         badopt ? badopt : "");
 816                 free(buf);
 817                 exit(1);
 818         }
 819         if (param->s_raid_stride &&
 820             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
 821                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
 822                                   "multiple of stride %u.\n\n"),
 823                         param->s_raid_stripe_width, param->s_raid_stride);
 824
 825         free(buf);
 826 }
 827
 828 static __u32 ok_features[3] = {
 829         /* Compat */
 830         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
 831                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
 832                 EXT2_FEATURE_COMPAT_DIR_INDEX |
 833                 EXT2_FEATURE_COMPAT_EXT_ATTR,
 834         /* Incompat */
 835         EXT2_FEATURE_INCOMPAT_FILETYPE|
 836                 EXT3_FEATURE_INCOMPAT_EXTENTS|
 837                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
 838                 EXT2_FEATURE_INCOMPAT_META_BG|
 839                 EXT4_FEATURE_INCOMPAT_FLEX_BG,
 840         /* R/O compat */
 841         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
 842                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
 843                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM
 844 };
 845
 846
 847 static void syntax_err_report(const char *filename, long err, int line_num)
 848 {
 849         fprintf(stderr,
 850                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
 851                 filename, line_num, error_message(err));
 852         exit(1);
 853 }
 854
 855 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
 856
 857 static void edit_feature(const char *str, __u32 *compat_array)
 858 {
 859         if (!str)
 860                 return;
 861
 862         if (e2p_edit_feature(str, compat_array, ok_features)) {
 863                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
 864                         str);
 865                 exit(1);
 866         }
 867 }
 868
 869 struct str_list {
 870         char **list;
 871         int num;
 872         int max;
 873 };
 874
 875 static errcode_t init_list(struct str_list *sl)
 876 {
 877         sl->num = 0;
 878         sl->max = 0;
 879         sl->list = malloc((sl->max+1) * sizeof(char *));
 880         if (!sl->list)
 881                 return ENOMEM;
 882         sl->list[0] = 0;
 883         return 0;
 884 }
 885
 886 static errcode_t push_string(struct str_list *sl, const char *str)
 887 {
 888         char **new_list;
 889
 890         if (sl->num >= sl->max) {
 891                 sl->max += 2;
 892                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
 893                 if (!new_list)
 894                         return ENOMEM;
 895                 sl->list = new_list;
 896         }
 897         sl->list[sl->num] = malloc(strlen(str)+1);
 898         if (sl->list[sl->num] == 0)
 899                 return ENOMEM;
 900         strcpy(sl->list[sl->num], str);
 901         sl->num++;
 902         sl->list[sl->num] = 0;
 903         return 0;
 904 }
 905
 906 static void print_str_list(char **list)
 907 {
 908         char **cpp;
 909
 910         for (cpp = list; *cpp; cpp++) {
 911                 printf("'%s'", *cpp);
 912                 if (cpp[1])
 913                         fputs(", ", stdout);
 914         }
 915         fputc('\n', stdout);
 916 }
 917
 918 static char **parse_fs_type(const char *fs_type,
 919                             const char *usage_types,
 920                             struct ext2_super_block *fs_param,
 921                             char *progname)
 922 {
 923         const char      *ext_type = 0;
 924         char            *parse_str;
 925         char            *profile_type = 0;
 926         char            *cp, *t;
 927         const char      *size_type;
 928         struct str_list list;
 929         unsigned long   meg;
 930         int             is_hurd = 0;
 931
 932         if (init_list(&list))
 933                 return 0;
 934
 935         if (creator_os && (!strcasecmp(creator_os, "GNU") ||
 936                            !strcasecmp(creator_os, "hurd")))
 937                 is_hurd = 1;
 938
 939         if (fs_type)
 940                 ext_type = fs_type;
 941         else if (is_hurd)
 942                 ext_type = "ext2";
 943         else if (progname) {
 944                 ext_type = strrchr(progname, '/');
 945                 if (ext_type)
 946                         ext_type++;
 947                 else
 948                         ext_type = progname;
 949
 950                 if (!strncmp(ext_type, "mkfs.", 5)) {
 951                         ext_type += 5;
 952                         if (ext_type[0] == 0)
 953                                 ext_type = 0;
 954                 } else
 955                         ext_type = 0;
 956         }
 957
 958         if (!ext_type) {
 959                 profile_get_string(profile, "defaults", "fs_type", 0,
 960                                    "ext2", &profile_type);
 961                 ext_type = profile_type;
 962                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
 963                         ext_type = "ext3";
 964         }
 965
 966         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param);
 967         if (fs_param->s_blocks_count < 3 * meg)
 968                 size_type = "floppy";
 969         else if (fs_param->s_blocks_count < 512 * meg)
 970                 size_type = "small";
 971         else
 972                 size_type = "default";
 973
 974         if (!usage_types)
 975                 usage_types = size_type;
 976
 977         parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1);
 978         if (!parse_str) {
 979                 free(list.list);
 980                 return 0;
 981         }
 982         if (usage_types)
 983                 strcpy(parse_str, usage_types);
 984         else
 985                 *parse_str = '\0';
 986
 987         if (ext_type)
 988                 push_string(&list, ext_type);
 989         cp = parse_str;
 990         while (1) {
 991                 t = strchr(cp, ',');
 992                 if (t)
 993                         *t = '\0';
 994
 995                 if (*cp)
 996                         push_string(&list, cp);
 997                 if (t)
 998                         cp = t+1;
 999                 else {
1000                         cp = "";
1001                         break;
1002                 }
1003         }
1004         free(parse_str);
1005         if (profile_type)
1006                 free(profile_type);
1007         if (is_hurd)
1008                 push_string(&list, "hurd");
1009         return (list.list);
1010 }
1011
1012 static char *get_string_from_profile(char **fs_types, const char *opt,
1013                                      const char *def_val)
1014 {
1015         char *ret = 0;
1016         int i;
1017
1018         for (i=0; fs_types[i]; i++);
1019         for (i-=1; i >=0 ; i--) {
1020                 profile_get_string(profile, "fs_types", fs_types[i],
1021                                    opt, 0, &ret);
1022                 if (ret)
1023                         return ret;
1024         }
1025         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1026         return (ret);
1027 }
1028
1029 static int get_int_from_profile(char **fs_types, const char *opt, int def_val)
1030 {
1031         int ret;
1032         char **cpp;
1033
1034         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1035         for (cpp = fs_types; *cpp; cpp++)
1036                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1037         return ret;
1038 }
1039
1040 static int get_bool_from_profile(char **fs_types, const char *opt, int def_val)
1041 {
1042         int ret;
1043         char **cpp;
1044
1045         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1046         for (cpp = fs_types; *cpp; cpp++)
1047                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1048         return ret;
1049 }
1050
1051 extern const char *mke2fs_default_profile;
1052 static const char *default_files[] = { "<default>", 0 };
1053
1054 static void PRS(int argc, char *argv[])
1055 {
1056         int             b, c;
1057         int             size;
1058         char            *tmp, **cpp;
1059         int             blocksize = 0;
1060         int             inode_ratio = 0;
1061         int             inode_size = 0;
1062         unsigned long   flex_bg_size = 0;
1063         double          reserved_ratio = 5.0;
1064         int             sector_size = 0;
1065         int             show_version_only = 0;
1066         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1067         errcode_t       retval;
1068         char *          oldpath = getenv("PATH");
1069         char *          extended_opts = 0;
1070         const char *    fs_type = 0;
1071         const char *    usage_types = 0;
1072         blk_t           dev_size;
1073 #ifdef __linux__
1074         struct          utsname ut;
1075 #endif
1076         long            sysval;
1077         int             s_opt = -1, r_opt = -1;
1078         char            *fs_features = 0;
1079         int             use_bsize;
1080         char            *newpath;
1081         int             pathlen = sizeof(PATH_SET) + 1;
1082
1083         if (oldpath)
1084                 pathlen += strlen(oldpath);
1085         newpath = malloc(pathlen);
1086         strcpy(newpath, PATH_SET);
1087
1088         /* Update our PATH to include /sbin  */
1089         if (oldpath) {
1090                 strcat (newpath, ":");
1091                 strcat (newpath, oldpath);
1092         }
1093         putenv (newpath);
1094
1095         tmp = getenv("MKE2FS_SYNC");
1096         if (tmp)
1097                 sync_kludge = atoi(tmp);
1098
1099         /* Determine the system page size if possible */
1100 #ifdef HAVE_SYSCONF
1101 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1102 #define _SC_PAGESIZE _SC_PAGE_SIZE
1103 #endif
1104 #ifdef _SC_PAGESIZE
1105         sysval = sysconf(_SC_PAGESIZE);
1106         if (sysval > 0)
1107                 sys_page_size = sysval;
1108 #endif /* _SC_PAGESIZE */
1109 #endif /* HAVE_SYSCONF */
1110
1111         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1112                 config_fn[0] = tmp;
1113         profile_set_syntax_err_cb(syntax_err_report);
1114         retval = profile_init(config_fn, &profile);
1115         if (retval == ENOENT) {
1116                 profile_init(default_files, &profile);
1117                 profile_set_default(profile, mke2fs_default_profile);
1118         }
1119
1120         setbuf(stdout, NULL);
1121         setbuf(stderr, NULL);
1122         add_error_table(&et_ext2_error_table);
1123         add_error_table(&et_prof_error_table);
1124         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1125         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1126
1127 #ifdef __linux__
1128         if (uname(&ut)) {
1129                 perror("uname");
1130                 exit(1);
1131         }
1132         linux_version_code = parse_version_number(ut.release);
1133         if (linux_version_code && linux_version_code < (2*65536 + 2*256))
1134                 fs_param.s_rev_level = 0;
1135 #endif
1136
1137         if (argc && *argv) {
1138                 program_name = get_progname(*argv);
1139
1140                 /* If called as mkfs.ext3, create a journal inode */
1141                 if (!strcmp(program_name, "mkfs.ext3"))
1142                         journal_size = -1;
1143         }
1144
1145         while ((c = getopt (argc, argv,
1146                     "b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:L:M:N:O:R:ST:V")) != EOF) {
1147                 switch (c) {
1148                 case 'b':
1149                         blocksize = strtol(optarg, &tmp, 0);
1150                         b = (blocksize > 0) ? blocksize : -blocksize;
1151                         if (b < EXT2_MIN_BLOCK_SIZE ||
1152                             b > EXT2_MAX_BLOCK_SIZE || *tmp) {
1153                                 com_err(program_name, 0,
1154                                         _("invalid block size - %s"), optarg);
1155                                 exit(1);
1156                         }
1157                         if (blocksize > 4096)
1158                                 fprintf(stderr, _("Warning: blocksize %d not "
1159                                                   "usable on most systems.\n"),
1160                                         blocksize);
1161                         if (blocksize > 0)
1162                                 fs_param.s_log_block_size =
1163                                         int_log2(blocksize >>
1164                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1165                         break;
1166                 case 'c':       /* Check for bad blocks */
1167                         cflag++;
1168                         break;
1169                 case 'f':
1170                         size = strtoul(optarg, &tmp, 0);
1171                         if (size < EXT2_MIN_BLOCK_SIZE ||
1172                             size > EXT2_MAX_BLOCK_SIZE || *tmp) {
1173                                 com_err(program_name, 0,
1174                                         _("invalid fragment size - %s"),
1175                                         optarg);
1176                                 exit(1);
1177                         }
1178                         fs_param.s_log_frag_size =
1179                                 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE);
1180                         fprintf(stderr, _("Warning: fragments not supported.  "
1181                                "Ignoring -f option\n"));
1182                         break;
1183                 case 'g':
1184                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1185                         if (*tmp) {
1186                                 com_err(program_name, 0,
1187                                         _("Illegal number for blocks per group"));
1188                                 exit(1);
1189                         }
1190                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1191                                 com_err(program_name, 0,
1192                                 _("blocks per group must be multiple of 8"));
1193                                 exit(1);
1194                         }
1195                         break;
1196                 case 'G':
1197                         flex_bg_size = strtoul(optarg, &tmp, 0);
1198                         if (*tmp) {
1199                                 com_err(program_name, 0,
1200                                         _("Illegal number for flex_bg size"));
1201                                 exit(1);
1202                         }
1203                         if (flex_bg_size < 2 ||
1204                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1205                                 com_err(program_name, 0,
1206                                         _("flex_bg size must be a power of 2"));
1207                                 exit(1);
1208                         }
1209                         break;
1210                 case 'i':
1211                         inode_ratio = strtoul(optarg, &tmp, 0);
1212                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1213                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
1214                             *tmp) {
1215                                 com_err(program_name, 0,
1216                                         _("invalid inode ratio %s (min %d/max %d)"),
1217                                         optarg, EXT2_MIN_BLOCK_SIZE,
1218                                         EXT2_MAX_BLOCK_SIZE);
1219                                 exit(1);
1220                         }
1221                         break;
1222                 case 'J':
1223                         parse_journal_opts(optarg);
1224                         break;
1225                 case 'j':
1226                         if (!journal_size)
1227                                 journal_size = -1;
1228                         break;
1229                 case 'l':
1230                         bad_blocks_filename = malloc(strlen(optarg)+1);
1231                         if (!bad_blocks_filename) {
1232                                 com_err(program_name, ENOMEM,
1233                                         _("in malloc for bad_blocks_filename"));
1234                                 exit(1);
1235                         }
1236                         strcpy(bad_blocks_filename, optarg);
1237                         break;
1238                 case 'm':
1239                         reserved_ratio = strtod(optarg, &tmp);
1240                         if (reserved_ratio > 50 || *tmp) {
1241                                 com_err(program_name, 0,
1242                                         _("invalid reserved blocks percent - %s"),
1243                                         optarg);
1244                                 exit(1);
1245                         }
1246                         break;
1247                 case 'n':
1248                         noaction++;
1249                         break;
1250                 case 'o':
1251                         creator_os = optarg;
1252                         break;
1253                 case 'q':
1254                         quiet = 1;
1255                         break;
1256                 case 'r':
1257                         r_opt = strtoul(optarg, &tmp, 0);
1258                         if (*tmp) {
1259                                 com_err(program_name, 0,
1260                                         _("bad revision level - %s"), optarg);
1261                                 exit(1);
1262                         }
1263                         fs_param.s_rev_level = r_opt;
1264                         break;
1265                 case 's':       /* deprecated */
1266                         s_opt = atoi(optarg);
1267                         break;
1268                 case 'I':
1269                         inode_size = strtoul(optarg, &tmp, 0);
1270                         if (*tmp) {
1271                                 com_err(program_name, 0,
1272                                         _("invalid inode size - %s"), optarg);
1273                                 exit(1);
1274                         }
1275                         break;
1276                 case 'v':
1277                         verbose = 1;
1278                         break;
1279                 case 'F':
1280                         force++;
1281                         break;
1282                 case 'L':
1283                         volume_label = optarg;
1284                         break;
1285                 case 'M':
1286                         mount_dir = optarg;
1287                         break;
1288                 case 'N':
1289                         num_inodes = strtoul(optarg, &tmp, 0);
1290                         if (*tmp) {
1291                                 com_err(program_name, 0,
1292                                         _("bad num inodes - %s"), optarg);
1293                                         exit(1);
1294                         }
1295                         break;
1296                 case 'O':
1297                         fs_features = optarg;
1298                         break;
1299                 case 'E':
1300                 case 'R':
1301                         extended_opts = optarg;
1302                         break;
1303                 case 'S':
1304                         super_only = 1;
1305                         break;
1306                 case 't':
1307                         fs_type = optarg;
1308                         break;
1309                 case 'T':
1310                         usage_types = optarg;
1311                         break;
1312                 case 'V':
1313                         /* Print version number and exit */
1314                         show_version_only++;
1315                         break;
1316                 default:
1317                         usage();
1318                 }
1319         }
1320         if ((optind == argc) && !show_version_only)
1321                 usage();
1322         device_name = argv[optind++];
1323
1324         if (!quiet || show_version_only)
1325                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1326                          E2FSPROGS_DATE);
1327
1328         if (show_version_only) {
1329                 fprintf(stderr, _("\tUsing %s\n"),
1330                         error_message(EXT2_ET_BASE));
1331                 exit(0);
1332         }
1333
1334         /*
1335          * If there's no blocksize specified and there is a journal
1336          * device, use it to figure out the blocksize
1337          */
1338         if (blocksize <= 0 && journal_device) {
1339                 ext2_filsys     jfs;
1340                 io_manager      io_ptr;
1341
1342 #ifdef CONFIG_TESTIO_DEBUG
1343                 io_ptr = test_io_manager;
1344                 test_io_backing_manager = unix_io_manager;
1345 #else
1346                 io_ptr = unix_io_manager;
1347 #endif
1348                 retval = ext2fs_open(journal_device,
1349                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1350                                      0, io_ptr, &jfs);
1351                 if (retval) {
1352                         com_err(program_name, retval,
1353                                 _("while trying to open journal device %s\n"),
1354                                 journal_device);
1355                         exit(1);
1356                 }
1357                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1358                         com_err(program_name, 0,
1359                                 _("Journal dev blocksize (%d) smaller than "
1360                                   "minimum blocksize %d\n"), jfs->blocksize,
1361                                 -blocksize);
1362                         exit(1);
1363                 }
1364                 blocksize = jfs->blocksize;
1365                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1366                 fs_param.s_log_block_size =
1367                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1368                 ext2fs_close(jfs);
1369         }
1370
1371         if (blocksize > sys_page_size) {
1372                 if (!force) {
1373                         com_err(program_name, 0,
1374                                 _("%d-byte blocks too big for system (max %d)"),
1375                                 blocksize, sys_page_size);
1376                         proceed_question();
1377                 }
1378                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
1379                                   "(max %d), forced to continue\n"),
1380                         blocksize, sys_page_size);
1381         }
1382         if (optind < argc) {
1383                 fs_param.s_blocks_count = parse_num_blocks(argv[optind++],
1384                                 fs_param.s_log_block_size);
1385                 if (!fs_param.s_blocks_count) {
1386                         com_err(program_name, 0, _("invalid blocks count - %s"),
1387                                 argv[optind - 1]);
1388                         exit(1);
1389                 }
1390         }
1391         if (optind < argc)
1392                 usage();
1393
1394         if (!force)
1395                 check_plausibility(device_name);
1396         check_mount(device_name, force, _("filesystem"));
1397
1398         fs_param.s_log_frag_size = fs_param.s_log_block_size;
1399
1400         if (noaction && fs_param.s_blocks_count) {
1401                 dev_size = fs_param.s_blocks_count;
1402                 retval = 0;
1403         } else {
1404         retry:
1405                 retval = ext2fs_get_device_size(device_name,
1406                                                 EXT2_BLOCK_SIZE(&fs_param),
1407                                                 &dev_size);
1408                 if ((retval == EFBIG) &&
1409                     (blocksize == 0) &&
1410                     (fs_param.s_log_block_size == 0)) {
1411                         fs_param.s_log_block_size = 2;
1412                         blocksize = 4096;
1413                         goto retry;
1414                 }
1415         }
1416
1417         if (retval == EFBIG) {
1418                 fprintf(stderr, _("%s: Size of device %s too big "
1419                                   "to be expressed in 32 bits\n\t"
1420                                   "using a blocksize of %d.\n"),
1421                         program_name, device_name, EXT2_BLOCK_SIZE(&fs_param));
1422                 exit(1);
1423         }
1424         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1425                 com_err(program_name, retval,
1426                         _("while trying to determine filesystem size"));
1427                 exit(1);
1428         }
1429         if (!fs_param.s_blocks_count) {
1430                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1431                         com_err(program_name, 0,
1432                                 _("Couldn't determine device size; you "
1433                                 "must specify\nthe size of the "
1434                                 "filesystem\n"));
1435                         exit(1);
1436                 } else {
1437                         if (dev_size == 0) {
1438                                 com_err(program_name, 0,
1439                                 _("Device size reported to be zero.  "
1440                                   "Invalid partition specified, or\n\t"
1441                                   "partition table wasn't reread "
1442                                   "after running fdisk, due to\n\t"
1443                                   "a modified partition being busy "
1444                                   "and in use.  You may need to reboot\n\t"
1445                                   "to re-read your partition table.\n"
1446                                   ));
1447                                 exit(1);
1448                         }
1449                         fs_param.s_blocks_count = dev_size;
1450                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1451                                 fs_param.s_blocks_count &= ~((sys_page_size /
1452                                            EXT2_BLOCK_SIZE(&fs_param))-1);
1453                 }
1454
1455         } else if (!force && (fs_param.s_blocks_count > dev_size)) {
1456                 com_err(program_name, 0,
1457                         _("Filesystem larger than apparent device size."));
1458                 proceed_question();
1459         }
1460
1461         fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]);
1462         if (!fs_types) {
1463                 fprintf(stderr, _("Failed to parse fs types list\n"));
1464                 exit(1);
1465         }
1466
1467         /* Figure out what features should be enabled */
1468
1469         tmp = NULL;
1470         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1471                 tmp = get_string_from_profile(fs_types, "base_features",
1472                       "sparse_super,filetype,resize_inode,dir_index");
1473                 edit_feature(tmp, &fs_param.s_feature_compat);
1474                 free(tmp);
1475
1476                 for (cpp = fs_types; *cpp; cpp++) {
1477                         tmp = NULL;
1478                         profile_get_string(profile, "fs_types", *cpp,
1479                                            "features", "", &tmp);
1480                         if (tmp && *tmp)
1481                                 edit_feature(tmp, &fs_param.s_feature_compat);
1482                         if (tmp)
1483                                 free(tmp);
1484                 }
1485                 tmp = get_string_from_profile(fs_types, "default_features",
1486                                               "");
1487         }
1488         edit_feature(fs_features ? fs_features : tmp,
1489                      &fs_param.s_feature_compat);
1490         if (tmp)
1491                 free(tmp);
1492
1493         if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1494                 fs_types[0] = strdup("journal");
1495                 fs_types[1] = 0;
1496         }
1497
1498         if (verbose) {
1499                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
1500                 print_str_list(fs_types);
1501         }
1502
1503         if (r_opt == EXT2_GOOD_OLD_REV &&
1504             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
1505              fs_param.s_feature_incompat)) {
1506                 fprintf(stderr, _("Filesystem features not supported "
1507                                   "with revision 0 filesystems\n"));
1508                 exit(1);
1509         }
1510
1511         if (s_opt > 0) {
1512                 if (r_opt == EXT2_GOOD_OLD_REV) {
1513                         fprintf(stderr, _("Sparse superblocks not supported "
1514                                   "with revision 0 filesystems\n"));
1515                         exit(1);
1516                 }
1517                 fs_param.s_feature_ro_compat |=
1518                         EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
1519         } else if (s_opt == 0)
1520                 fs_param.s_feature_ro_compat &=
1521                         ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
1522
1523         if (journal_size != 0) {
1524                 if (r_opt == EXT2_GOOD_OLD_REV) {
1525                         fprintf(stderr, _("Journals not supported "
1526                                   "with revision 0 filesystems\n"));
1527                         exit(1);
1528                 }
1529                 fs_param.s_feature_compat |=
1530                         EXT3_FEATURE_COMPAT_HAS_JOURNAL;
1531         }
1532
1533         if (fs_param.s_feature_incompat &
1534             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1535                 reserved_ratio = 0;
1536                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
1537                 fs_param.s_feature_compat = 0;
1538                 fs_param.s_feature_ro_compat = 0;
1539         }
1540
1541         if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
1542             (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) {
1543                 fprintf(stderr, _("The resize_inode and meta_bg features "
1544                                   "are not compatible.\n"
1545                                   "They can not be both enabled "
1546                                   "simultaneously.\n"));
1547                 exit(1);
1548         }
1549
1550         /* Set first meta blockgroup via an environment variable */
1551         /* (this is mostly for debugging purposes) */
1552         if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
1553             ((tmp = getenv("MKE2FS_FIRST_META_BG"))))
1554                 fs_param.s_first_meta_bg = atoi(tmp);
1555
1556         /* Get the hardware sector size, if available */
1557         retval = ext2fs_get_device_sectsize(device_name, &sector_size);
1558         if (retval) {
1559                 com_err(program_name, retval,
1560                         _("while trying to determine hardware sector size"));
1561                 exit(1);
1562         }
1563
1564         if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL)
1565                 sector_size = atoi(tmp);
1566
1567         if (blocksize <= 0) {
1568                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
1569
1570                 if (use_bsize == -1) {
1571                         use_bsize = sys_page_size;
1572                         if ((linux_version_code < (2*65536 + 6*256)) &&
1573                             (use_bsize > 4096))
1574                                 use_bsize = 4096;
1575                 }
1576                 if (sector_size && use_bsize < sector_size)
1577                         use_bsize = sector_size;
1578                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
1579                         use_bsize = -blocksize;
1580                 blocksize = use_bsize;
1581                 fs_param.s_blocks_count /= blocksize / 1024;
1582         }
1583
1584         if (inode_ratio == 0) {
1585                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
1586                                                    8192);
1587                 if (inode_ratio < blocksize)
1588                         inode_ratio = blocksize;
1589         }
1590
1591         fs_param.s_log_frag_size = fs_param.s_log_block_size =
1592                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1593
1594         blocksize = EXT2_BLOCK_SIZE(&fs_param);
1595
1596         lazy_itable_init = get_bool_from_profile(fs_types,
1597                                                  "lazy_itable_init", 0);
1598
1599         /* Get options from profile */
1600         for (cpp = fs_types; *cpp; cpp++) {
1601                 tmp = NULL;
1602                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
1603                         if (tmp && *tmp)
1604                                 parse_extended_opts(&fs_param, tmp);
1605                         if (tmp)
1606                                 free(tmp);
1607         }
1608
1609         if (extended_opts)
1610                 parse_extended_opts(&fs_param, extended_opts);
1611
1612         /* Since sparse_super is the default, we would only have a problem
1613          * here if it was explicitly disabled.
1614          */
1615         if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) &&
1616             !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
1617                 com_err(program_name, 0,
1618                         _("reserved online resize blocks not supported "
1619                           "on non-sparse filesystem"));
1620                 exit(1);
1621         }
1622
1623         if (fs_param.s_blocks_per_group) {
1624                 if (fs_param.s_blocks_per_group < 256 ||
1625                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
1626                         com_err(program_name, 0,
1627                                 _("blocks per group count out of range"));
1628                         exit(1);
1629                 }
1630         }
1631
1632         if (inode_size == 0)
1633                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
1634         if (!flex_bg_size && (fs_param.s_feature_incompat &
1635                               EXT4_FEATURE_INCOMPAT_FLEX_BG))
1636                 flex_bg_size = get_int_from_profile(fs_types,
1637                                                     "flex_bg_size", 16);
1638         if (flex_bg_size) {
1639                 if (!(fs_param.s_feature_incompat &
1640                       EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
1641                         com_err(program_name, 0,
1642                                 _("Flex_bg feature not enabled, so "
1643                                   "flex_bg size may not be specified"));
1644                         exit(1);
1645                 }
1646                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
1647         }
1648
1649         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
1650                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
1651                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
1652                     inode_size & (inode_size - 1)) {
1653                         com_err(program_name, 0,
1654                                 _("invalid inode size %d (min %d/max %d)"),
1655                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
1656                                 blocksize);
1657                         exit(1);
1658                 }
1659                 fs_param.s_inode_size = inode_size;
1660         }
1661
1662         /* Make sure number of inodes specified will fit in 32 bits */
1663         if (num_inodes == 0) {
1664                 unsigned long long n;
1665                 n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio;
1666                 if (n > ~0U) {
1667                         com_err(program_name, 0,
1668                             _("too many inodes (%llu), raise inode ratio?"), n);
1669                         exit(1);
1670                 }
1671         } else if (num_inodes > ~0U) {
1672                 com_err(program_name, 0,
1673                         _("too many inodes (%llu), specify < 2^32 inodes"),
1674                           num_inodes);
1675                 exit(1);
1676         }
1677         /*
1678          * Calculate number of inodes based on the inode ratio
1679          */
1680         fs_param.s_inodes_count = num_inodes ? num_inodes :
1681                 ((__u64) fs_param.s_blocks_count * blocksize)
1682                         / inode_ratio;
1683
1684         if ((((long long)fs_param.s_inodes_count) *
1685              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
1686             (((long long)fs_param.s_blocks_count) *
1687              EXT2_BLOCK_SIZE(&fs_param))) {
1688                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
1689                                           "(%u) too big for a\n\t"
1690                                           "filesystem with %lu blocks, "
1691                                           "specify higher inode_ratio (-i)\n\t"
1692                                           "or lower inode count (-N).\n"),
1693                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
1694                         fs_param.s_inodes_count,
1695                         (unsigned long) fs_param.s_blocks_count);
1696                 exit(1);
1697         }
1698
1699         /*
1700          * Calculate number of blocks to reserve
1701          */
1702         fs_param.s_r_blocks_count = (unsigned int) (reserved_ratio *
1703                                         fs_param.s_blocks_count / 100.0);
1704 }
1705
1706 static int should_do_undo(const char *name)
1707 {
1708         errcode_t retval;
1709         io_channel channel;
1710         __u16   s_magic;
1711         struct ext2_super_block super;
1712         io_manager manager = unix_io_manager;
1713         int csum_flag, force_undo;
1714
1715         csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
1716                                                EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
1717         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
1718         if (!force_undo && (!csum_flag || !lazy_itable_init))
1719                 return 0;
1720
1721         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
1722         if (retval) {
1723                 /*
1724                  * We don't handle error cases instead we
1725                  * declare that the file system doesn't exist
1726                  * and let the rest of mke2fs take care of
1727                  * error
1728                  */
1729                 retval = 0;
1730                 goto open_err_out;
1731         }
1732
1733         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
1734         retval = io_channel_read_blk(channel, 1, -SUPERBLOCK_SIZE, &super);
1735         if (retval) {
1736                 retval = 0;
1737                 goto err_out;
1738         }
1739
1740 #if defined(WORDS_BIGENDIAN)
1741         s_magic = ext2fs_swab16(super.s_magic);
1742 #else
1743         s_magic = super.s_magic;
1744 #endif
1745
1746         if (s_magic == EXT2_SUPER_MAGIC)
1747                 retval = 1;
1748
1749 err_out:
1750         io_channel_close(channel);
1751
1752 open_err_out:
1753
1754         return retval;
1755 }
1756
1757 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
1758 {
1759         errcode_t retval = 0;
1760         char *tdb_dir, tdb_file[PATH_MAX];
1761         char *device_name, *tmp_name;
1762
1763         /*
1764          * Configuration via a conf file would be
1765          * nice
1766          */
1767         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
1768         if (!tdb_dir)
1769                 profile_get_string(profile, "defaults",
1770                                    "undo_dir", 0, "/var/lib/e2fsprogs",
1771                                    &tdb_dir);
1772
1773         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
1774             access(tdb_dir, W_OK))
1775                 return 0;
1776
1777         tmp_name = strdup(name);
1778         device_name = basename(tmp_name);
1779         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name);
1780
1781         if (!access(tdb_file, F_OK)) {
1782                 if (unlink(tdb_file) < 0) {
1783                         retval = errno;
1784                         com_err(program_name, retval,
1785                                 _("while trying to delete %s"),
1786                                 tdb_file);
1787                         return retval;
1788                 }
1789         }
1790
1791         set_undo_io_backing_manager(*io_ptr);
1792         *io_ptr = undo_io_manager;
1793         set_undo_io_backup_file(tdb_file);
1794         printf(_("Overwriting existing filesystem; this can be undone "
1795                  "using the command:\n"
1796                  "    e2undo %s %s\n\n"), tdb_file, name);
1797
1798         free(tmp_name);
1799         return retval;
1800 }
1801
1802 int main (int argc, char *argv[])
1803 {
1804         errcode_t       retval = 0;
1805         ext2_filsys     fs;
1806         badblocks_list  bb_list = 0;
1807         unsigned int    journal_blocks;
1808         unsigned int    i;
1809         int             val;
1810         io_manager      io_ptr;
1811         char            tdb_string[40];
1812
1813 #ifdef ENABLE_NLS
1814         setlocale(LC_MESSAGES, "");
1815         setlocale(LC_CTYPE, "");
1816         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
1817         textdomain(NLS_CAT_NAME);
1818 #endif
1819         PRS(argc, argv);
1820
1821 #ifdef CONFIG_TESTIO_DEBUG
1822         io_ptr = test_io_manager;
1823         test_io_backing_manager = unix_io_manager;
1824 #else
1825         io_ptr = unix_io_manager;
1826 #endif
1827
1828         if (should_do_undo(device_name)) {
1829                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
1830                 if (retval)
1831                         exit(1);
1832         }
1833
1834         /*
1835          * Initialize the superblock....
1836          */
1837         retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param,
1838                                    io_ptr, &fs);
1839         if (retval) {
1840                 com_err(device_name, retval, _("while setting up superblock"));
1841                 exit(1);
1842         }
1843         sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
1844                 32768 : fs->blocksize * 8);
1845         io_channel_set_options(fs->io, tdb_string);
1846
1847         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
1848                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
1849
1850         /*
1851          * Wipe out the old on-disk superblock
1852          */
1853         if (!noaction)
1854                 zap_sector(fs, 2, 6);
1855
1856         /*
1857          * Generate a UUID for it...
1858          */
1859         uuid_generate(fs->super->s_uuid);
1860
1861         /*
1862          * Initialize the directory index variables
1863          */
1864         fs->super->s_def_hash_version = EXT2_HASH_TEA;
1865         uuid_generate((unsigned char *) fs->super->s_hash_seed);
1866
1867         /*
1868          * Add "jitter" to the superblock's check interval so that we
1869          * don't check all the filesystems at the same time.  We use a
1870          * kludgy hack of using the UUID to derive a random jitter value.
1871          */
1872         for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
1873                 val += fs->super->s_uuid[i];
1874         fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
1875
1876         /*
1877          * Override the creator OS, if applicable
1878          */
1879         if (creator_os && !set_os(fs->super, creator_os)) {
1880                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
1881                 exit(1);
1882         }
1883
1884         /*
1885          * For the Hurd, we will turn off filetype since it doesn't
1886          * support it.
1887          */
1888         if (fs->super->s_creator_os == EXT2_OS_HURD)
1889                 fs->super->s_feature_incompat &=
1890                         ~EXT2_FEATURE_INCOMPAT_FILETYPE;
1891
1892         /*
1893          * Set the volume label...
1894          */
1895         if (volume_label) {
1896                 memset(fs->super->s_volume_name, 0,
1897                        sizeof(fs->super->s_volume_name));
1898                 strncpy(fs->super->s_volume_name, volume_label,
1899                         sizeof(fs->super->s_volume_name));
1900         }
1901
1902         /*
1903          * Set the last mount directory
1904          */
1905         if (mount_dir) {
1906                 memset(fs->super->s_last_mounted, 0,
1907                        sizeof(fs->super->s_last_mounted));
1908                 strncpy(fs->super->s_last_mounted, mount_dir,
1909                         sizeof(fs->super->s_last_mounted));
1910         }
1911
1912         if (!quiet || noaction)
1913                 show_stats(fs);
1914
1915         if (noaction)
1916                 exit(0);
1917
1918         if (fs->super->s_feature_incompat &
1919             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1920                 create_journal_dev(fs);
1921                 exit(ext2fs_close(fs) ? 1 : 0);
1922         }
1923
1924         if (bad_blocks_filename)
1925                 read_bb_file(fs, &bb_list, bad_blocks_filename);
1926         if (cflag)
1927                 test_disk(fs, &bb_list);
1928
1929         handle_bad_blocks(fs, bb_list);
1930         fs->stride = fs_stride = fs->super->s_raid_stride;
1931         retval = ext2fs_allocate_tables(fs);
1932         if (retval) {
1933                 com_err(program_name, retval,
1934                         _("while trying to allocate filesystem tables"));
1935                 exit(1);
1936         }
1937         if (super_only) {
1938                 fs->super->s_state |= EXT2_ERROR_FS;
1939                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
1940         } else {
1941                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
1942                 unsigned int rsv = 65536 / fs->blocksize;
1943                 unsigned long blocks = fs->super->s_blocks_count;
1944                 unsigned long start;
1945                 blk_t ret_blk;
1946
1947 #ifdef ZAP_BOOTBLOCK
1948                 zap_sector(fs, 0, 2);
1949 #endif
1950
1951                 /*
1952                  * Wipe out any old MD RAID (or other) metadata at the end
1953                  * of the device.  This will also verify that the device is
1954                  * as large as we think.  Be careful with very small devices.
1955                  */
1956                 start = (blocks & ~(rsv - 1));
1957                 if (start > rsv)
1958                         start -= rsv;
1959                 if (start > 0)
1960                         retval = ext2fs_zero_blocks(fs, start, blocks - start,
1961                                                     &ret_blk, NULL);
1962
1963                 if (retval) {
1964                         com_err(program_name, retval,
1965                                 _("while zeroing block %u at end of filesystem"),
1966                                 ret_blk);
1967                 }
1968                 write_inode_tables(fs, lazy_itable_init);
1969                 create_root_dir(fs);
1970                 create_lost_and_found(fs);
1971                 reserve_inodes(fs);
1972                 create_bad_block_inode(fs, bb_list);
1973                 if (fs->super->s_feature_compat &
1974                     EXT2_FEATURE_COMPAT_RESIZE_INODE) {
1975                         retval = ext2fs_create_resize_inode(fs);
1976                         if (retval) {
1977                                 com_err("ext2fs_create_resize_inode", retval,
1978                                 _("while reserving blocks for online resize"));
1979                                 exit(1);
1980                         }
1981                 }
1982         }
1983
1984         if (journal_device) {
1985                 ext2_filsys     jfs;
1986
1987                 if (!force)
1988                         check_plausibility(journal_device);
1989                 check_mount(journal_device, force, _("journal"));
1990
1991                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
1992                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1993                                      fs->blocksize, unix_io_manager, &jfs);
1994                 if (retval) {
1995                         com_err(program_name, retval,
1996                                 _("while trying to open journal device %s\n"),
1997                                 journal_device);
1998                         exit(1);
1999                 }
2000                 if (!quiet) {
2001                         printf(_("Adding journal to device %s: "),
2002                                journal_device);
2003                         fflush(stdout);
2004                 }
2005                 retval = ext2fs_add_journal_device(fs, jfs);
2006                 if(retval) {
2007                         com_err (program_name, retval,
2008                                  _("\n\twhile trying to add journal to device %s"),
2009                                  journal_device);
2010                         exit(1);
2011                 }
2012                 if (!quiet)
2013                         printf(_("done\n"));
2014                 ext2fs_close(jfs);
2015                 free(journal_device);
2016         } else if ((journal_size) ||
2017                    (fs_param.s_feature_compat &
2018                     EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
2019                 journal_blocks = figure_journal_size(journal_size, fs);
2020
2021                 if (!journal_blocks) {
2022                         fs->super->s_feature_compat &=
2023                                 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
2024                         goto no_journal;
2025                 }
2026                 if (!quiet) {
2027                         printf(_("Creating journal (%u blocks): "),
2028                                journal_blocks);
2029                         fflush(stdout);
2030                 }
2031                 retval = ext2fs_add_journal_inode(fs, journal_blocks,
2032                                                   journal_flags);
2033                 if (retval) {
2034                         com_err (program_name, retval,
2035                                  _("\n\twhile trying to create journal"));
2036                         exit(1);
2037                 }
2038                 if (!quiet)
2039                         printf(_("done\n"));
2040         }
2041 no_journal:
2042
2043         if (!quiet)
2044                 printf(_("Writing superblocks and "
2045                        "filesystem accounting information: "));
2046         retval = ext2fs_flush(fs);
2047         if (retval) {
2048                 fprintf(stderr,
2049                         _("\nWarning, had trouble writing out superblocks."));
2050         }
2051         if (!quiet) {
2052                 printf(_("done\n\n"));
2053                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
2054                         print_check_message(fs);
2055         }
2056         val = ext2fs_close(fs);
2057         remove_error_table(&et_ext2_error_table);
2058         remove_error_table(&et_prof_error_table);
2059         profile_release(profile);
2060         return (retval || val) ? 1 : 0;
2061 }