misc/mke2fs.c

   1 /*
   2  * mke2fs.c - Make a ext2fs filesystem.
   3  *
   4  * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   5  *      2003, 2004, 2005 by Theodore Ts'o.
   6  *
   7  * %Begin-Header%
   8  * This file may be redistributed under the terms of the GNU Public
   9  * License.
  10  * %End-Header%
  11  */
  12
  13 /* Usage: mke2fs [options] device
  14  *
  15  * The device may be a block device or a image of one, but this isn't
  16  * enforced (but it's not much fun on a character device :-).
  17  */
  18
  19 #define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX in Solaris */
  20
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <fcntl.h>
  24 #include <ctype.h>
  25 #include <time.h>
  26 #ifdef __linux__
  27 #include <sys/utsname.h>
  28 #endif
  29 #ifdef HAVE_GETOPT_H
  30 #include <getopt.h>
  31 #else
  32 extern char *optarg;
  33 extern int optind;
  34 #endif
  35 #ifdef HAVE_UNISTD_H
  36 #include <unistd.h>
  37 #endif
  38 #ifdef HAVE_STDLIB_H
  39 #include <stdlib.h>
  40 #endif
  41 #ifdef HAVE_ERRNO_H
  42 #include <errno.h>
  43 #endif
  44 #ifdef HAVE_MNTENT_H
  45 #include <mntent.h>
  46 #endif
  47 #include <sys/ioctl.h>
  48 #include <sys/types.h>
  49 #include <libgen.h>
  50 #include <limits.h>
  51
  52 #include "ext2fs/ext2_fs.h"
  53 #include "et/com_err.h"
  54 #include "uuid/uuid.h"
  55 #include "e2p/e2p.h"
  56 #include "ext2fs/ext2fs.h"
  57 #include "util.h"
  58 #include "profile.h"
  59 #include "prof_err.h"
  60 #include "../version.h"
  61 #include "nls-enable.h"
  62
  63 #define STRIDE_LENGTH 8
  64
  65 #ifndef __sparc__
  66 #define ZAP_BOOTBLOCK
  67 #endif
  68
  69 extern int isatty(int);
  70 extern FILE *fpopen(const char *cmd, const char *mode);
  71
  72 const char * program_name = "mke2fs";
  73 const char * device_name /* = NULL */;
  74
  75 /* Command line options */
  76 int     cflag;
  77 int     verbose;
  78 int     quiet;
  79 int     super_only;
  80 int     force;
  81 int     noaction;
  82 int     journal_size;
  83 int     journal_flags;
  84 int     lazy_itable_init;
  85 char    *bad_blocks_filename;
  86 __u32   fs_stride;
  87
  88 struct ext2_super_block fs_param;
  89 char *creator_os;
  90 char *volume_label;
  91 char *mount_dir;
  92 char *journal_device;
  93 int sync_kludge;        /* Set using the MKE2FS_SYNC env. option */
  94 char **fs_types;
  95
  96 profile_t       profile;
  97
  98 int sys_page_size = 4096;
  99 int linux_version_code = 0;
 100
 101 static void usage(void)
 102 {
 103         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 104         "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 105         "[-J journal-options]\n"
 106         "\t[-G meta group size] [-N number-of-inodes]\n"
 107         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 108         "\t[-g blocks-per-group] [-L volume-label] "
 109         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 110         "[-r fs-revision] [-E extended-option[,...]]\n"
 111         "\t[-T fs-type] [-jnqvFSV] device [blocks-count]\n"),
 112                 program_name);
 113         exit(1);
 114 }
 115
 116 static int int_log2(int arg)
 117 {
 118         int     l = 0;
 119
 120         arg >>= 1;
 121         while (arg) {
 122                 l++;
 123                 arg >>= 1;
 124         }
 125         return l;
 126 }
 127
 128 static int int_log10(unsigned int arg)
 129 {
 130         int     l;
 131
 132         for (l=0; arg ; l++)
 133                 arg = arg / 10;
 134         return l;
 135 }
 136
 137 static int parse_version_number(const char *s)
 138 {
 139         int     major, minor, rev;
 140         char    *endptr;
 141         const char *cp = s;
 142
 143         if (!s)
 144                 return 0;
 145         major = strtol(cp, &endptr, 10);
 146         if (cp == endptr || *endptr != '.')
 147                 return 0;
 148         cp = endptr + 1;
 149         minor = strtol(cp, &endptr, 10);
 150         if (cp == endptr || *endptr != '.')
 151                 return 0;
 152         cp = endptr + 1;
 153         rev = strtol(cp, &endptr, 10);
 154         if (cp == endptr)
 155                 return 0;
 156         return ((((major * 256) + minor) * 256) + rev);
 157 }
 158
 159 /*
 160  * Helper function for read_bb_file and test_disk
 161  */
 162 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 163 {
 164         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 165         return;
 166 }
 167
 168 /*
 169  * Reads the bad blocks list from a file
 170  */
 171 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 172                          const char *bad_blocks_file)
 173 {
 174         FILE            *f;
 175         errcode_t       retval;
 176
 177         f = fopen(bad_blocks_file, "r");
 178         if (!f) {
 179                 com_err("read_bad_blocks_file", errno,
 180                         _("while trying to open %s"), bad_blocks_file);
 181                 exit(1);
 182         }
 183         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 184         fclose (f);
 185         if (retval) {
 186                 com_err("ext2fs_read_bb_FILE", retval,
 187                         _("while reading in list of bad blocks from file"));
 188                 exit(1);
 189         }
 190 }
 191
 192 /*
 193  * Runs the badblocks program to test the disk
 194  */
 195 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 196 {
 197         FILE            *f;
 198         errcode_t       retval;
 199         char            buf[1024];
 200
 201         sprintf(buf, "badblocks -b %d -X %s%s%s %u", fs->blocksize,
 202                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 203                 fs->device_name, fs->super->s_blocks_count-1);
 204         if (verbose)
 205                 printf(_("Running command: %s\n"), buf);
 206         f = popen(buf, "r");
 207         if (!f) {
 208                 com_err("popen", errno,
 209                         _("while trying to run '%s'"), buf);
 210                 exit(1);
 211         }
 212         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 213         pclose(f);
 214         if (retval) {
 215                 com_err("ext2fs_read_bb_FILE", retval,
 216                         _("while processing list of bad blocks from program"));
 217                 exit(1);
 218         }
 219 }
 220
 221 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 222 {
 223         dgrp_t                  i;
 224         blk_t                   j;
 225         unsigned                must_be_good;
 226         blk_t                   blk;
 227         badblocks_iterate       bb_iter;
 228         errcode_t               retval;
 229         blk_t                   group_block;
 230         int                     group;
 231         int                     group_bad;
 232
 233         if (!bb_list)
 234                 return;
 235
 236         /*
 237          * The primary superblock and group descriptors *must* be
 238          * good; if not, abort.
 239          */
 240         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 241         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 242                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 243                         fprintf(stderr, _("Block %d in primary "
 244                                 "superblock/group descriptor area bad.\n"), i);
 245                         fprintf(stderr, _("Blocks %u through %u must be good "
 246                                 "in order to build a filesystem.\n"),
 247                                 fs->super->s_first_data_block, must_be_good);
 248                         fputs(_("Aborting....\n"), stderr);
 249                         exit(1);
 250                 }
 251         }
 252
 253         /*
 254          * See if any of the bad blocks are showing up in the backup
 255          * superblocks and/or group descriptors.  If so, issue a
 256          * warning and adjust the block counts appropriately.
 257          */
 258         group_block = fs->super->s_first_data_block +
 259                 fs->super->s_blocks_per_group;
 260
 261         for (i = 1; i < fs->group_desc_count; i++) {
 262                 group_bad = 0;
 263                 for (j=0; j < fs->desc_blocks+1; j++) {
 264                         if (ext2fs_badblocks_list_test(bb_list,
 265                                                        group_block + j)) {
 266                                 if (!group_bad)
 267                                         fprintf(stderr,
 268 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 269 "       bad blocks.\n\n"),
 270                                                 group_block);
 271                                 group_bad++;
 272                                 group = ext2fs_group_of_blk(fs, group_block+j);
 273                                 fs->group_desc[group].bg_free_blocks_count++;
 274                                 ext2fs_group_desc_csum_set(fs, group);
 275                                 fs->super->s_free_blocks_count++;
 276                         }
 277                 }
 278                 group_block += fs->super->s_blocks_per_group;
 279         }
 280
 281         /*
 282          * Mark all the bad blocks as used...
 283          */
 284         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 285         if (retval) {
 286                 com_err("ext2fs_badblocks_list_iterate_begin", retval,
 287                         _("while marking bad blocks as used"));
 288                 exit(1);
 289         }
 290         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 291                 ext2fs_mark_block_bitmap(fs->block_map, blk);
 292         ext2fs_badblocks_list_iterate_end(bb_iter);
 293 }
 294
 295 /*
 296  * These functions implement a generalized progress meter.
 297  */
 298 struct progress_struct {
 299         char            format[20];
 300         char            backup[80];
 301         __u32           max;
 302         int             skip_progress;
 303 };
 304
 305 static void progress_init(struct progress_struct *progress,
 306                           const char *label,__u32 max)
 307 {
 308         int     i;
 309
 310         memset(progress, 0, sizeof(struct progress_struct));
 311         if (quiet)
 312                 return;
 313
 314         /*
 315          * Figure out how many digits we need
 316          */
 317         i = int_log10(max);
 318         sprintf(progress->format, "%%%dd/%%%dld", i, i);
 319         memset(progress->backup, '\b', sizeof(progress->backup)-1);
 320         progress->backup[sizeof(progress->backup)-1] = 0;
 321         if ((2*i)+1 < (int) sizeof(progress->backup))
 322                 progress->backup[(2*i)+1] = 0;
 323         progress->max = max;
 324
 325         progress->skip_progress = 0;
 326         if (getenv("MKE2FS_SKIP_PROGRESS"))
 327                 progress->skip_progress++;
 328
 329         fputs(label, stdout);
 330         fflush(stdout);
 331 }
 332
 333 static void progress_update(struct progress_struct *progress, __u32 val)
 334 {
 335         if ((progress->format[0] == 0) || progress->skip_progress)
 336                 return;
 337         printf(progress->format, val, progress->max);
 338         fputs(progress->backup, stdout);
 339 }
 340
 341 static void progress_close(struct progress_struct *progress)
 342 {
 343         if (progress->format[0] == 0)
 344                 return;
 345         fputs(_("done                            \n"), stdout);
 346 }
 347
 348 static void write_inode_tables(ext2_filsys fs, int lazy_flag)
 349 {
 350         errcode_t       retval;
 351         blk_t           blk;
 352         dgrp_t          i;
 353         int             num, ipb;
 354         struct progress_struct progress;
 355
 356         if (quiet)
 357                 memset(&progress, 0, sizeof(progress));
 358         else
 359                 progress_init(&progress, _("Writing inode tables: "),
 360                               fs->group_desc_count);
 361
 362         for (i = 0; i < fs->group_desc_count; i++) {
 363                 progress_update(&progress, i);
 364
 365                 blk = fs->group_desc[i].bg_inode_table;
 366                 num = fs->inode_blocks_per_group;
 367
 368                 if (lazy_flag) {
 369                         ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super);
 370                         num = ((((fs->super->s_inodes_per_group -
 371                                   fs->group_desc[i].bg_itable_unused) *
 372                                  EXT2_INODE_SIZE(fs->super)) +
 373                                 EXT2_BLOCK_SIZE(fs->super) - 1) /
 374                                EXT2_BLOCK_SIZE(fs->super));
 375                 } else {
 376                         /* The kernel doesn't need to zero the itable blocks */
 377                         fs->group_desc[i].bg_flags |= EXT2_BG_INODE_ZEROED;
 378                         ext2fs_group_desc_csum_set(fs, i);
 379                 }
 380                 retval = ext2fs_zero_blocks(fs, blk, num, &blk, &num);
 381                 if (retval) {
 382                         fprintf(stderr, _("\nCould not write %d "
 383                                   "blocks in inode table starting at %u: %s\n"),
 384                                 num, blk, error_message(retval));
 385                         exit(1);
 386                 }
 387                 if (sync_kludge) {
 388                         if (sync_kludge == 1)
 389                                 sync();
 390                         else if ((i % sync_kludge) == 0)
 391                                 sync();
 392                 }
 393         }
 394         ext2fs_zero_blocks(0, 0, 0, 0, 0);
 395         progress_close(&progress);
 396 }
 397
 398 static void create_root_dir(ext2_filsys fs)
 399 {
 400         errcode_t               retval;
 401         struct ext2_inode       inode;
 402         __u32                   uid, gid;
 403
 404         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 405         if (retval) {
 406                 com_err("ext2fs_mkdir", retval, _("while creating root dir"));
 407                 exit(1);
 408         }
 409         if (geteuid()) {
 410                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 411                 if (retval) {
 412                         com_err("ext2fs_read_inode", retval,
 413                                 _("while reading root inode"));
 414                         exit(1);
 415                 }
 416                 uid = getuid();
 417                 inode.i_uid = uid;
 418                 ext2fs_set_i_uid_high(inode, uid >> 16);
 419                 if (uid) {
 420                         gid = getgid();
 421                         inode.i_gid = gid;
 422                         ext2fs_set_i_gid_high(inode, gid >> 16);
 423                 }
 424                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 425                 if (retval) {
 426                         com_err("ext2fs_write_inode", retval,
 427                                 _("while setting root inode ownership"));
 428                         exit(1);
 429                 }
 430         }
 431 }
 432
 433 static void create_lost_and_found(ext2_filsys fs)
 434 {
 435         unsigned int            lpf_size = 0;
 436         errcode_t               retval;
 437         ext2_ino_t              ino;
 438         const char              *name = "lost+found";
 439         int                     i;
 440
 441         fs->umask = 077;
 442         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 443         if (retval) {
 444                 com_err("ext2fs_mkdir", retval,
 445                         _("while creating /lost+found"));
 446                 exit(1);
 447         }
 448
 449         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 450         if (retval) {
 451                 com_err("ext2_lookup", retval,
 452                         _("while looking up /lost+found"));
 453                 exit(1);
 454         }
 455
 456         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 457                 /* Ensure that lost+found is at least 2 blocks, so we always
 458                  * test large empty blocks for big-block filesystems.  */
 459                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 460                     lpf_size >= 2 * fs->blocksize)
 461                         break;
 462                 retval = ext2fs_expand_dir(fs, ino);
 463                 if (retval) {
 464                         com_err("ext2fs_expand_dir", retval,
 465                                 _("while expanding /lost+found"));
 466                         exit(1);
 467                 }
 468         }
 469 }
 470
 471 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 472 {
 473         errcode_t       retval;
 474
 475         ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO);
 476         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 477         retval = ext2fs_update_bb_inode(fs, bb_list);
 478         if (retval) {
 479                 com_err("ext2fs_update_bb_inode", retval,
 480                         _("while setting bad block inode"));
 481                 exit(1);
 482         }
 483
 484 }
 485
 486 static void reserve_inodes(ext2_filsys fs)
 487 {
 488         ext2_ino_t      i;
 489
 490         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 491                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 492         ext2fs_mark_ib_dirty(fs);
 493 }
 494
 495 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 496 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 497 #define BSD_LABEL_OFFSET        64
 498
 499 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 500 {
 501         char *buf;
 502         int retval;
 503         unsigned int *magic;
 504
 505         buf = malloc(512*nsect);
 506         if (!buf) {
 507                 printf(_("Out of memory erasing sectors %d-%d\n"),
 508                        sect, sect + nsect - 1);
 509                 exit(1);
 510         }
 511
 512         if (sect == 0) {
 513                 /* Check for a BSD disklabel, and don't erase it if so */
 514                 retval = io_channel_read_blk(fs->io, 0, -512, buf);
 515                 if (retval)
 516                         fprintf(stderr,
 517                                 _("Warning: could not read block 0: %s\n"),
 518                                 error_message(retval));
 519                 else {
 520                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 521                         if ((*magic == BSD_DISKMAGIC) ||
 522                             (*magic == BSD_MAGICDISK))
 523                                 return;
 524                 }
 525         }
 526
 527         memset(buf, 0, 512*nsect);
 528         io_channel_set_blksize(fs->io, 512);
 529         retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf);
 530         io_channel_set_blksize(fs->io, fs->blocksize);
 531         free(buf);
 532         if (retval)
 533                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 534                         sect, error_message(retval));
 535 }
 536
 537 static void create_journal_dev(ext2_filsys fs)
 538 {
 539         struct progress_struct progress;
 540         errcode_t               retval;
 541         char                    *buf;
 542         blk_t                   blk, err_blk;
 543         int                     c, count, err_count;
 544
 545         retval = ext2fs_create_journal_superblock(fs,
 546                                   fs->super->s_blocks_count, 0, &buf);
 547         if (retval) {
 548                 com_err("create_journal_dev", retval,
 549                         _("while initializing journal superblock"));
 550                 exit(1);
 551         }
 552         if (quiet)
 553                 memset(&progress, 0, sizeof(progress));
 554         else
 555                 progress_init(&progress, _("Zeroing journal device: "),
 556                               fs->super->s_blocks_count);
 557
 558         blk = 0;
 559         count = fs->super->s_blocks_count;
 560         while (count > 0) {
 561                 if (count > 1024)
 562                         c = 1024;
 563                 else
 564                         c = count;
 565                 retval = ext2fs_zero_blocks(fs, blk, c, &err_blk, &err_count);
 566                 if (retval) {
 567                         com_err("create_journal_dev", retval,
 568                                 _("while zeroing journal device "
 569                                   "(block %u, count %d)"),
 570                                 err_blk, err_count);
 571                         exit(1);
 572                 }
 573                 blk += c;
 574                 count -= c;
 575                 progress_update(&progress, blk);
 576         }
 577         ext2fs_zero_blocks(0, 0, 0, 0, 0);
 578
 579         retval = io_channel_write_blk(fs->io,
 580                                       fs->super->s_first_data_block+1,
 581                                       1, buf);
 582         if (retval) {
 583                 com_err("create_journal_dev", retval,
 584                         _("while writing journal superblock"));
 585                 exit(1);
 586         }
 587         progress_close(&progress);
 588 }
 589
 590 static void show_stats(ext2_filsys fs)
 591 {
 592         struct ext2_super_block *s = fs->super;
 593         char                    buf[80];
 594         char                    *os;
 595         blk_t                   group_block;
 596         dgrp_t                  i;
 597         int                     need, col_left;
 598
 599         if (fs_param.s_blocks_count != s->s_blocks_count)
 600                 fprintf(stderr, _("warning: %u blocks unused.\n\n"),
 601                        fs_param.s_blocks_count - s->s_blocks_count);
 602
 603         memset(buf, 0, sizeof(buf));
 604         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 605         printf(_("Filesystem label=%s\n"), buf);
 606         fputs(_("OS type: "), stdout);
 607         os = e2p_os2string(fs->super->s_creator_os);
 608         fputs(os, stdout);
 609         free(os);
 610         printf("\n");
 611         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 612                 s->s_log_block_size);
 613         printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize,
 614                 s->s_log_frag_size);
 615         printf(_("%u inodes, %u blocks\n"), s->s_inodes_count,
 616                s->s_blocks_count);
 617         printf(_("%u blocks (%2.2f%%) reserved for the super user\n"),
 618                 s->s_r_blocks_count,
 619                100.0 * s->s_r_blocks_count / s->s_blocks_count);
 620         printf(_("First data block=%u\n"), s->s_first_data_block);
 621         if (s->s_reserved_gdt_blocks)
 622                 printf(_("Maximum filesystem blocks=%lu\n"),
 623                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 624                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 625         if (fs->group_desc_count > 1)
 626                 printf(_("%u block groups\n"), fs->group_desc_count);
 627         else
 628                 printf(_("%u block group\n"), fs->group_desc_count);
 629         printf(_("%u blocks per group, %u fragments per group\n"),
 630                s->s_blocks_per_group, s->s_frags_per_group);
 631         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 632
 633         if (fs->group_desc_count == 1) {
 634                 printf("\n");
 635                 return;
 636         }
 637
 638         printf(_("Superblock backups stored on blocks: "));
 639         group_block = s->s_first_data_block;
 640         col_left = 0;
 641         for (i = 1; i < fs->group_desc_count; i++) {
 642                 group_block += s->s_blocks_per_group;
 643                 if (!ext2fs_bg_has_super(fs, i))
 644                         continue;
 645                 if (i != 1)
 646                         printf(", ");
 647                 need = int_log10(group_block) + 2;
 648                 if (need > col_left) {
 649                         printf("\n\t");
 650                         col_left = 72;
 651                 }
 652                 col_left -= need;
 653                 printf("%u", group_block);
 654         }
 655         printf("\n\n");
 656 }
 657
 658 /*
 659  * Set the S_CREATOR_OS field.  Return true if OS is known,
 660  * otherwise, 0.
 661  */
 662 static int set_os(struct ext2_super_block *sb, char *os)
 663 {
 664         if (isdigit (*os))
 665                 sb->s_creator_os = atoi (os);
 666         else if (strcasecmp(os, "linux") == 0)
 667                 sb->s_creator_os = EXT2_OS_LINUX;
 668         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 669                 sb->s_creator_os = EXT2_OS_HURD;
 670         else if (strcasecmp(os, "freebsd") == 0)
 671                 sb->s_creator_os = EXT2_OS_FREEBSD;
 672         else if (strcasecmp(os, "lites") == 0)
 673                 sb->s_creator_os = EXT2_OS_LITES;
 674         else
 675                 return 0;
 676         return 1;
 677 }
 678
 679 #define PATH_SET "PATH=/sbin"
 680
 681 static void parse_extended_opts(struct ext2_super_block *param,
 682                                 const char *opts)
 683 {
 684         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 685         int     len;
 686         int     r_usage = 0;
 687
 688         len = strlen(opts);
 689         buf = malloc(len+1);
 690         if (!buf) {
 691                 fprintf(stderr,
 692                         _("Couldn't allocate memory to parse options!\n"));
 693                 exit(1);
 694         }
 695         strcpy(buf, opts);
 696         for (token = buf; token && *token; token = next) {
 697                 p = strchr(token, ',');
 698                 next = 0;
 699                 if (p) {
 700                         *p = 0;
 701                         next = p+1;
 702                 }
 703                 arg = strchr(token, '=');
 704                 if (arg) {
 705                         *arg = 0;
 706                         arg++;
 707                 }
 708                 if (strcmp(token, "stride") == 0) {
 709                         if (!arg) {
 710                                 r_usage++;
 711                                 badopt = token;
 712                                 continue;
 713                         }
 714                         param->s_raid_stride = strtoul(arg, &p, 0);
 715                         if (*p || (param->s_raid_stride == 0)) {
 716                                 fprintf(stderr,
 717                                         _("Invalid stride parameter: %s\n"),
 718                                         arg);
 719                                 r_usage++;
 720                                 continue;
 721                         }
 722                 } else if (strcmp(token, "stripe-width") == 0 ||
 723                            strcmp(token, "stripe_width") == 0) {
 724                         if (!arg) {
 725                                 r_usage++;
 726                                 badopt = token;
 727                                 continue;
 728                         }
 729                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 730                         if (*p || (param->s_raid_stripe_width == 0)) {
 731                                 fprintf(stderr,
 732                                         _("Invalid stripe-width parameter: %s\n"),
 733                                         arg);
 734                                 r_usage++;
 735                                 continue;
 736                         }
 737                 } else if (!strcmp(token, "resize")) {
 738                         unsigned long resize, bpg, rsv_groups;
 739                         unsigned long group_desc_count, desc_blocks;
 740                         unsigned int gdpb, blocksize;
 741                         int rsv_gdb;
 742
 743                         if (!arg) {
 744                                 r_usage++;
 745                                 badopt = token;
 746                                 continue;
 747                         }
 748
 749                         resize = parse_num_blocks(arg,
 750                                                   param->s_log_block_size);
 751
 752                         if (resize == 0) {
 753                                 fprintf(stderr,
 754                                         _("Invalid resize parameter: %s\n"),
 755                                         arg);
 756                                 r_usage++;
 757                                 continue;
 758                         }
 759                         if (resize <= param->s_blocks_count) {
 760                                 fprintf(stderr,
 761                                         _("The resize maximum must be greater "
 762                                           "than the filesystem size.\n"));
 763                                 r_usage++;
 764                                 continue;
 765                         }
 766
 767                         blocksize = EXT2_BLOCK_SIZE(param);
 768                         bpg = param->s_blocks_per_group;
 769                         if (!bpg)
 770                                 bpg = blocksize * 8;
 771                         gdpb = EXT2_DESC_PER_BLOCK(param);
 772                         group_desc_count =
 773                                 ext2fs_div_ceil(param->s_blocks_count, bpg);
 774                         desc_blocks = (group_desc_count +
 775                                        gdpb - 1) / gdpb;
 776                         rsv_groups = ext2fs_div_ceil(resize, bpg);
 777                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 778                                 desc_blocks;
 779                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 780                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 781
 782                         if (rsv_gdb > 0) {
 783                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 784                                         fprintf(stderr,
 785         _("On-line resizing not supported with revision 0 filesystems\n"));
 786                                         free(buf);
 787                                         exit(1);
 788                                 }
 789                                 param->s_feature_compat |=
 790                                         EXT2_FEATURE_COMPAT_RESIZE_INODE;
 791
 792                                 param->s_reserved_gdt_blocks = rsv_gdb;
 793                         }
 794                 } else if (!strcmp(token, "test_fs")) {
 795                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 796                 } else if (!strcmp(token, "lazy_itable_init")) {
 797                         if (arg)
 798                                 lazy_itable_init = strtoul(arg, &p, 0);
 799                         else
 800                                 lazy_itable_init = 1;
 801                 } else {
 802                         r_usage++;
 803                         badopt = token;
 804                 }
 805         }
 806         if (r_usage) {
 807                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
 808                         "Extended options are separated by commas, "
 809                         "and may take an argument which\n"
 810                         "\tis set off by an equals ('=') sign.\n\n"
 811                         "Valid extended options are:\n"
 812                         "\tstride=<RAID per-disk data chunk in blocks>\n"
 813                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
 814                         "\tresize=<resize maximum size in blocks>\n"
 815                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
 816                         "\ttest_fs\n\n"),
 817                         badopt ? badopt : "");
 818                 free(buf);
 819                 exit(1);
 820         }
 821         if (param->s_raid_stride &&
 822             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
 823                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
 824                                   "multiple of stride %u.\n\n"),
 825                         param->s_raid_stripe_width, param->s_raid_stride);
 826
 827         free(buf);
 828 }
 829
 830 static __u32 ok_features[3] = {
 831         /* Compat */
 832         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
 833                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
 834                 EXT2_FEATURE_COMPAT_DIR_INDEX |
 835                 EXT2_FEATURE_COMPAT_EXT_ATTR,
 836         /* Incompat */
 837         EXT2_FEATURE_INCOMPAT_FILETYPE|
 838                 EXT3_FEATURE_INCOMPAT_EXTENTS|
 839                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
 840                 EXT2_FEATURE_INCOMPAT_META_BG|
 841                 EXT4_FEATURE_INCOMPAT_FLEX_BG,
 842         /* R/O compat */
 843         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
 844                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
 845                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
 846                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
 847                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
 848                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM
 849 };
 850
 851
 852 static void syntax_err_report(const char *filename, long err, int line_num)
 853 {
 854         fprintf(stderr,
 855                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
 856                 filename, line_num, error_message(err));
 857         exit(1);
 858 }
 859
 860 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
 861
 862 static void edit_feature(const char *str, __u32 *compat_array)
 863 {
 864         if (!str)
 865                 return;
 866
 867         if (e2p_edit_feature(str, compat_array, ok_features)) {
 868                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
 869                         str);
 870                 exit(1);
 871         }
 872 }
 873
 874 struct str_list {
 875         char **list;
 876         int num;
 877         int max;
 878 };
 879
 880 static errcode_t init_list(struct str_list *sl)
 881 {
 882         sl->num = 0;
 883         sl->max = 0;
 884         sl->list = malloc((sl->max+1) * sizeof(char *));
 885         if (!sl->list)
 886                 return ENOMEM;
 887         sl->list[0] = 0;
 888         return 0;
 889 }
 890
 891 static errcode_t push_string(struct str_list *sl, const char *str)
 892 {
 893         char **new_list;
 894
 895         if (sl->num >= sl->max) {
 896                 sl->max += 2;
 897                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
 898                 if (!new_list)
 899                         return ENOMEM;
 900                 sl->list = new_list;
 901         }
 902         sl->list[sl->num] = malloc(strlen(str)+1);
 903         if (sl->list[sl->num] == 0)
 904                 return ENOMEM;
 905         strcpy(sl->list[sl->num], str);
 906         sl->num++;
 907         sl->list[sl->num] = 0;
 908         return 0;
 909 }
 910
 911 static void print_str_list(char **list)
 912 {
 913         char **cpp;
 914
 915         for (cpp = list; *cpp; cpp++) {
 916                 printf("'%s'", *cpp);
 917                 if (cpp[1])
 918                         fputs(", ", stdout);
 919         }
 920         fputc('\n', stdout);
 921 }
 922
 923 static char **parse_fs_type(const char *fs_type,
 924                             const char *usage_types,
 925                             struct ext2_super_block *fs_param,
 926                             char *progname)
 927 {
 928         const char      *ext_type = 0;
 929         char            *parse_str;
 930         char            *profile_type = 0;
 931         char            *cp, *t;
 932         const char      *size_type;
 933         struct str_list list;
 934         unsigned long   meg;
 935         int             is_hurd = 0;
 936
 937         if (init_list(&list))
 938                 return 0;
 939
 940         if (creator_os && (!strcasecmp(creator_os, "GNU") ||
 941                            !strcasecmp(creator_os, "hurd")))
 942                 is_hurd = 1;
 943
 944         if (fs_type)
 945                 ext_type = fs_type;
 946         else if (is_hurd)
 947                 ext_type = "ext2";
 948         else if (progname) {
 949                 ext_type = strrchr(progname, '/');
 950                 if (ext_type)
 951                         ext_type++;
 952                 else
 953                         ext_type = progname;
 954
 955                 if (!strncmp(ext_type, "mkfs.", 5)) {
 956                         ext_type += 5;
 957                         if (ext_type[0] == 0)
 958                                 ext_type = 0;
 959                 } else
 960                         ext_type = 0;
 961         }
 962
 963         if (!ext_type) {
 964                 profile_get_string(profile, "defaults", "fs_type", 0,
 965                                    "ext2", &profile_type);
 966                 ext_type = profile_type;
 967                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
 968                         ext_type = "ext3";
 969         }
 970
 971         if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
 972             !strcmp(ext_type, "ext4dev")) {
 973                 profile_get_string(profile, "fs_types", ext_type, "features",
 974                                    0, &t);
 975                 if (!t) {
 976                         printf(_("\nWarning!  Your mke2fs.conf file does "
 977                                  "not define the %s filesystem type.\n"),
 978                                ext_type);
 979                         printf(_("You probably need to install an updated "
 980                                  "mke2fs.conf file.\n\n"));
 981                         sleep(5);
 982                 }
 983         }
 984
 985         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param);
 986         if (fs_param->s_blocks_count < 3 * meg)
 987                 size_type = "floppy";
 988         else if (fs_param->s_blocks_count < 512 * meg)
 989                 size_type = "small";
 990         else
 991                 size_type = "default";
 992
 993         if (!usage_types)
 994                 usage_types = size_type;
 995
 996         parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1);
 997         if (!parse_str) {
 998                 free(list.list);
 999                 return 0;
1000         }
1001         if (usage_types)
1002                 strcpy(parse_str, usage_types);
1003         else
1004                 *parse_str = '\0';
1005
1006         if (ext_type)
1007                 push_string(&list, ext_type);
1008         cp = parse_str;
1009         while (1) {
1010                 t = strchr(cp, ',');
1011                 if (t)
1012                         *t = '\0';
1013
1014                 if (*cp)
1015                         push_string(&list, cp);
1016                 if (t)
1017                         cp = t+1;
1018                 else {
1019                         cp = "";
1020                         break;
1021                 }
1022         }
1023         free(parse_str);
1024         if (profile_type)
1025                 free(profile_type);
1026         if (is_hurd)
1027                 push_string(&list, "hurd");
1028         return (list.list);
1029 }
1030
1031 static char *get_string_from_profile(char **fs_types, const char *opt,
1032                                      const char *def_val)
1033 {
1034         char *ret = 0;
1035         int i;
1036
1037         for (i=0; fs_types[i]; i++);
1038         for (i-=1; i >=0 ; i--) {
1039                 profile_get_string(profile, "fs_types", fs_types[i],
1040                                    opt, 0, &ret);
1041                 if (ret)
1042                         return ret;
1043         }
1044         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1045         return (ret);
1046 }
1047
1048 static int get_int_from_profile(char **fs_types, const char *opt, int def_val)
1049 {
1050         int ret;
1051         char **cpp;
1052
1053         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1054         for (cpp = fs_types; *cpp; cpp++)
1055                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1056         return ret;
1057 }
1058
1059 static int get_bool_from_profile(char **fs_types, const char *opt, int def_val)
1060 {
1061         int ret;
1062         char **cpp;
1063
1064         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1065         for (cpp = fs_types; *cpp; cpp++)
1066                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1067         return ret;
1068 }
1069
1070 extern const char *mke2fs_default_profile;
1071 static const char *default_files[] = { "<default>", 0 };
1072
1073 static void PRS(int argc, char *argv[])
1074 {
1075         int             b, c;
1076         int             size;
1077         char            *tmp, **cpp;
1078         int             blocksize = 0;
1079         int             inode_ratio = 0;
1080         int             inode_size = 0;
1081         unsigned long   flex_bg_size = 0;
1082         double          reserved_ratio = 5.0;
1083         int             sector_size = 0;
1084         int             show_version_only = 0;
1085         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1086         errcode_t       retval;
1087         char *          oldpath = getenv("PATH");
1088         char *          extended_opts = 0;
1089         const char *    fs_type = 0;
1090         const char *    usage_types = 0;
1091         blk_t           dev_size;
1092 #ifdef __linux__
1093         struct          utsname ut;
1094 #endif
1095         long            sysval;
1096         int             s_opt = -1, r_opt = -1;
1097         char            *fs_features = 0;
1098         int             use_bsize;
1099         char            *newpath;
1100         int             pathlen = sizeof(PATH_SET) + 1;
1101
1102         if (oldpath)
1103                 pathlen += strlen(oldpath);
1104         newpath = malloc(pathlen);
1105         strcpy(newpath, PATH_SET);
1106
1107         /* Update our PATH to include /sbin  */
1108         if (oldpath) {
1109                 strcat (newpath, ":");
1110                 strcat (newpath, oldpath);
1111         }
1112         putenv (newpath);
1113
1114         tmp = getenv("MKE2FS_SYNC");
1115         if (tmp)
1116                 sync_kludge = atoi(tmp);
1117
1118         /* Determine the system page size if possible */
1119 #ifdef HAVE_SYSCONF
1120 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1121 #define _SC_PAGESIZE _SC_PAGE_SIZE
1122 #endif
1123 #ifdef _SC_PAGESIZE
1124         sysval = sysconf(_SC_PAGESIZE);
1125         if (sysval > 0)
1126                 sys_page_size = sysval;
1127 #endif /* _SC_PAGESIZE */
1128 #endif /* HAVE_SYSCONF */
1129
1130         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1131                 config_fn[0] = tmp;
1132         profile_set_syntax_err_cb(syntax_err_report);
1133         retval = profile_init(config_fn, &profile);
1134         if (retval == ENOENT) {
1135                 profile_init(default_files, &profile);
1136                 profile_set_default(profile, mke2fs_default_profile);
1137         }
1138
1139         setbuf(stdout, NULL);
1140         setbuf(stderr, NULL);
1141         add_error_table(&et_ext2_error_table);
1142         add_error_table(&et_prof_error_table);
1143         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1144         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1145
1146 #ifdef __linux__
1147         if (uname(&ut)) {
1148                 perror("uname");
1149                 exit(1);
1150         }
1151         linux_version_code = parse_version_number(ut.release);
1152         if (linux_version_code && linux_version_code < (2*65536 + 2*256))
1153                 fs_param.s_rev_level = 0;
1154 #endif
1155
1156         if (argc && *argv) {
1157                 program_name = get_progname(*argv);
1158
1159                 /* If called as mkfs.ext3, create a journal inode */
1160                 if (!strcmp(program_name, "mkfs.ext3"))
1161                         journal_size = -1;
1162         }
1163
1164         while ((c = getopt (argc, argv,
1165                     "b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:L:M:N:O:R:ST:V")) != EOF) {
1166                 switch (c) {
1167                 case 'b':
1168                         blocksize = strtol(optarg, &tmp, 0);
1169                         b = (blocksize > 0) ? blocksize : -blocksize;
1170                         if (b < EXT2_MIN_BLOCK_SIZE ||
1171                             b > EXT2_MAX_BLOCK_SIZE || *tmp) {
1172                                 com_err(program_name, 0,
1173                                         _("invalid block size - %s"), optarg);
1174                                 exit(1);
1175                         }
1176                         if (blocksize > 4096)
1177                                 fprintf(stderr, _("Warning: blocksize %d not "
1178                                                   "usable on most systems.\n"),
1179                                         blocksize);
1180                         if (blocksize > 0)
1181                                 fs_param.s_log_block_size =
1182                                         int_log2(blocksize >>
1183                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1184                         break;
1185                 case 'c':       /* Check for bad blocks */
1186                         cflag++;
1187                         break;
1188                 case 'f':
1189                         size = strtoul(optarg, &tmp, 0);
1190                         if (size < EXT2_MIN_BLOCK_SIZE ||
1191                             size > EXT2_MAX_BLOCK_SIZE || *tmp) {
1192                                 com_err(program_name, 0,
1193                                         _("invalid fragment size - %s"),
1194                                         optarg);
1195                                 exit(1);
1196                         }
1197                         fs_param.s_log_frag_size =
1198                                 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE);
1199                         fprintf(stderr, _("Warning: fragments not supported.  "
1200                                "Ignoring -f option\n"));
1201                         break;
1202                 case 'g':
1203                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1204                         if (*tmp) {
1205                                 com_err(program_name, 0,
1206                                         _("Illegal number for blocks per group"));
1207                                 exit(1);
1208                         }
1209                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1210                                 com_err(program_name, 0,
1211                                 _("blocks per group must be multiple of 8"));
1212                                 exit(1);
1213                         }
1214                         break;
1215                 case 'G':
1216                         flex_bg_size = strtoul(optarg, &tmp, 0);
1217                         if (*tmp) {
1218                                 com_err(program_name, 0,
1219                                         _("Illegal number for flex_bg size"));
1220                                 exit(1);
1221                         }
1222                         if (flex_bg_size < 2 ||
1223                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1224                                 com_err(program_name, 0,
1225                                         _("flex_bg size must be a power of 2"));
1226                                 exit(1);
1227                         }
1228                         break;
1229                 case 'i':
1230                         inode_ratio = strtoul(optarg, &tmp, 0);
1231                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1232                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
1233                             *tmp) {
1234                                 com_err(program_name, 0,
1235                                         _("invalid inode ratio %s (min %d/max %d)"),
1236                                         optarg, EXT2_MIN_BLOCK_SIZE,
1237                                         EXT2_MAX_BLOCK_SIZE);
1238                                 exit(1);
1239                         }
1240                         break;
1241                 case 'J':
1242                         parse_journal_opts(optarg);
1243                         break;
1244                 case 'j':
1245                         if (!journal_size)
1246                                 journal_size = -1;
1247                         break;
1248                 case 'l':
1249                         bad_blocks_filename = malloc(strlen(optarg)+1);
1250                         if (!bad_blocks_filename) {
1251                                 com_err(program_name, ENOMEM,
1252                                         _("in malloc for bad_blocks_filename"));
1253                                 exit(1);
1254                         }
1255                         strcpy(bad_blocks_filename, optarg);
1256                         break;
1257                 case 'm':
1258                         reserved_ratio = strtod(optarg, &tmp);
1259                         if (reserved_ratio > 50 || *tmp) {
1260                                 com_err(program_name, 0,
1261                                         _("invalid reserved blocks percent - %s"),
1262                                         optarg);
1263                                 exit(1);
1264                         }
1265                         break;
1266                 case 'n':
1267                         noaction++;
1268                         break;
1269                 case 'o':
1270                         creator_os = optarg;
1271                         break;
1272                 case 'q':
1273                         quiet = 1;
1274                         break;
1275                 case 'r':
1276                         r_opt = strtoul(optarg, &tmp, 0);
1277                         if (*tmp) {
1278                                 com_err(program_name, 0,
1279                                         _("bad revision level - %s"), optarg);
1280                                 exit(1);
1281                         }
1282                         fs_param.s_rev_level = r_opt;
1283                         break;
1284                 case 's':       /* deprecated */
1285                         s_opt = atoi(optarg);
1286                         break;
1287                 case 'I':
1288                         inode_size = strtoul(optarg, &tmp, 0);
1289                         if (*tmp) {
1290                                 com_err(program_name, 0,
1291                                         _("invalid inode size - %s"), optarg);
1292                                 exit(1);
1293                         }
1294                         break;
1295                 case 'v':
1296                         verbose = 1;
1297                         break;
1298                 case 'F':
1299                         force++;
1300                         break;
1301                 case 'L':
1302                         volume_label = optarg;
1303                         break;
1304                 case 'M':
1305                         mount_dir = optarg;
1306                         break;
1307                 case 'N':
1308                         num_inodes = strtoul(optarg, &tmp, 0);
1309                         if (*tmp) {
1310                                 com_err(program_name, 0,
1311                                         _("bad num inodes - %s"), optarg);
1312                                         exit(1);
1313                         }
1314                         break;
1315                 case 'O':
1316                         fs_features = optarg;
1317                         break;
1318                 case 'E':
1319                 case 'R':
1320                         extended_opts = optarg;
1321                         break;
1322                 case 'S':
1323                         super_only = 1;
1324                         break;
1325                 case 't':
1326                         fs_type = optarg;
1327                         break;
1328                 case 'T':
1329                         usage_types = optarg;
1330                         break;
1331                 case 'V':
1332                         /* Print version number and exit */
1333                         show_version_only++;
1334                         break;
1335                 default:
1336                         usage();
1337                 }
1338         }
1339         if ((optind == argc) && !show_version_only)
1340                 usage();
1341         device_name = argv[optind++];
1342
1343         if (!quiet || show_version_only)
1344                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1345                          E2FSPROGS_DATE);
1346
1347         if (show_version_only) {
1348                 fprintf(stderr, _("\tUsing %s\n"),
1349                         error_message(EXT2_ET_BASE));
1350                 exit(0);
1351         }
1352
1353         /*
1354          * If there's no blocksize specified and there is a journal
1355          * device, use it to figure out the blocksize
1356          */
1357         if (blocksize <= 0 && journal_device) {
1358                 ext2_filsys     jfs;
1359                 io_manager      io_ptr;
1360
1361 #ifdef CONFIG_TESTIO_DEBUG
1362                 io_ptr = test_io_manager;
1363                 test_io_backing_manager = unix_io_manager;
1364 #else
1365                 io_ptr = unix_io_manager;
1366 #endif
1367                 retval = ext2fs_open(journal_device,
1368                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1369                                      0, io_ptr, &jfs);
1370                 if (retval) {
1371                         com_err(program_name, retval,
1372                                 _("while trying to open journal device %s\n"),
1373                                 journal_device);
1374                         exit(1);
1375                 }
1376                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1377                         com_err(program_name, 0,
1378                                 _("Journal dev blocksize (%d) smaller than "
1379                                   "minimum blocksize %d\n"), jfs->blocksize,
1380                                 -blocksize);
1381                         exit(1);
1382                 }
1383                 blocksize = jfs->blocksize;
1384                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1385                 fs_param.s_log_block_size =
1386                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1387                 ext2fs_close(jfs);
1388         }
1389
1390         if (blocksize > sys_page_size) {
1391                 if (!force) {
1392                         com_err(program_name, 0,
1393                                 _("%d-byte blocks too big for system (max %d)"),
1394                                 blocksize, sys_page_size);
1395                         proceed_question();
1396                 }
1397                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
1398                                   "(max %d), forced to continue\n"),
1399                         blocksize, sys_page_size);
1400         }
1401         if (optind < argc) {
1402                 fs_param.s_blocks_count = parse_num_blocks(argv[optind++],
1403                                 fs_param.s_log_block_size);
1404                 if (!fs_param.s_blocks_count) {
1405                         com_err(program_name, 0, _("invalid blocks count - %s"),
1406                                 argv[optind - 1]);
1407                         exit(1);
1408                 }
1409         }
1410         if (optind < argc)
1411                 usage();
1412
1413         if (!force)
1414                 check_plausibility(device_name);
1415         check_mount(device_name, force, _("filesystem"));
1416
1417         fs_param.s_log_frag_size = fs_param.s_log_block_size;
1418
1419         if (noaction && fs_param.s_blocks_count) {
1420                 dev_size = fs_param.s_blocks_count;
1421                 retval = 0;
1422         } else {
1423         retry:
1424                 retval = ext2fs_get_device_size(device_name,
1425                                                 EXT2_BLOCK_SIZE(&fs_param),
1426                                                 &dev_size);
1427                 if ((retval == EFBIG) &&
1428                     (blocksize == 0) &&
1429                     (fs_param.s_log_block_size == 0)) {
1430                         fs_param.s_log_block_size = 2;
1431                         blocksize = 4096;
1432                         goto retry;
1433                 }
1434         }
1435
1436         if (retval == EFBIG) {
1437                 fprintf(stderr, _("%s: Size of device %s too big "
1438                                   "to be expressed in 32 bits\n\t"
1439                                   "using a blocksize of %d.\n"),
1440                         program_name, device_name, EXT2_BLOCK_SIZE(&fs_param));
1441                 exit(1);
1442         }
1443         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1444                 com_err(program_name, retval,
1445                         _("while trying to determine filesystem size"));
1446                 exit(1);
1447         }
1448         if (!fs_param.s_blocks_count) {
1449                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1450                         com_err(program_name, 0,
1451                                 _("Couldn't determine device size; you "
1452                                 "must specify\nthe size of the "
1453                                 "filesystem\n"));
1454                         exit(1);
1455                 } else {
1456                         if (dev_size == 0) {
1457                                 com_err(program_name, 0,
1458                                 _("Device size reported to be zero.  "
1459                                   "Invalid partition specified, or\n\t"
1460                                   "partition table wasn't reread "
1461                                   "after running fdisk, due to\n\t"
1462                                   "a modified partition being busy "
1463                                   "and in use.  You may need to reboot\n\t"
1464                                   "to re-read your partition table.\n"
1465                                   ));
1466                                 exit(1);
1467                         }
1468                         fs_param.s_blocks_count = dev_size;
1469                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1470                                 fs_param.s_blocks_count &= ~((sys_page_size /
1471                                            EXT2_BLOCK_SIZE(&fs_param))-1);
1472                 }
1473
1474         } else if (!force && (fs_param.s_blocks_count > dev_size)) {
1475                 com_err(program_name, 0,
1476                         _("Filesystem larger than apparent device size."));
1477                 proceed_question();
1478         }
1479
1480         fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]);
1481         if (!fs_types) {
1482                 fprintf(stderr, _("Failed to parse fs types list\n"));
1483                 exit(1);
1484         }
1485
1486         /* Figure out what features should be enabled */
1487
1488         tmp = NULL;
1489         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1490                 tmp = get_string_from_profile(fs_types, "base_features",
1491                       "sparse_super,filetype,resize_inode,dir_index");
1492                 edit_feature(tmp, &fs_param.s_feature_compat);
1493                 free(tmp);
1494
1495                 for (cpp = fs_types; *cpp; cpp++) {
1496                         tmp = NULL;
1497                         profile_get_string(profile, "fs_types", *cpp,
1498                                            "features", "", &tmp);
1499                         if (tmp && *tmp)
1500                                 edit_feature(tmp, &fs_param.s_feature_compat);
1501                         if (tmp)
1502                                 free(tmp);
1503                 }
1504                 tmp = get_string_from_profile(fs_types, "default_features",
1505                                               "");
1506         }
1507         edit_feature(fs_features ? fs_features : tmp,
1508                      &fs_param.s_feature_compat);
1509         if (tmp)
1510                 free(tmp);
1511
1512         if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1513                 fs_types[0] = strdup("journal");
1514                 fs_types[1] = 0;
1515         }
1516
1517         if (verbose) {
1518                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
1519                 print_str_list(fs_types);
1520         }
1521
1522         if (r_opt == EXT2_GOOD_OLD_REV &&
1523             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
1524              fs_param.s_feature_ro_compat)) {
1525                 fprintf(stderr, _("Filesystem features not supported "
1526                                   "with revision 0 filesystems\n"));
1527                 exit(1);
1528         }
1529
1530         if (s_opt > 0) {
1531                 if (r_opt == EXT2_GOOD_OLD_REV) {
1532                         fprintf(stderr, _("Sparse superblocks not supported "
1533                                   "with revision 0 filesystems\n"));
1534                         exit(1);
1535                 }
1536                 fs_param.s_feature_ro_compat |=
1537                         EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
1538         } else if (s_opt == 0)
1539                 fs_param.s_feature_ro_compat &=
1540                         ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
1541
1542         if (journal_size != 0) {
1543                 if (r_opt == EXT2_GOOD_OLD_REV) {
1544                         fprintf(stderr, _("Journals not supported "
1545                                   "with revision 0 filesystems\n"));
1546                         exit(1);
1547                 }
1548                 fs_param.s_feature_compat |=
1549                         EXT3_FEATURE_COMPAT_HAS_JOURNAL;
1550         }
1551
1552         if (fs_param.s_feature_incompat &
1553             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1554                 reserved_ratio = 0;
1555                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
1556                 fs_param.s_feature_compat = 0;
1557                 fs_param.s_feature_ro_compat = 0;
1558         }
1559
1560         if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
1561             (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) {
1562                 fprintf(stderr, _("The resize_inode and meta_bg features "
1563                                   "are not compatible.\n"
1564                                   "They can not be both enabled "
1565                                   "simultaneously.\n"));
1566                 exit(1);
1567         }
1568
1569         /* Set first meta blockgroup via an environment variable */
1570         /* (this is mostly for debugging purposes) */
1571         if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
1572             ((tmp = getenv("MKE2FS_FIRST_META_BG"))))
1573                 fs_param.s_first_meta_bg = atoi(tmp);
1574
1575         /* Get the hardware sector size, if available */
1576         retval = ext2fs_get_device_sectsize(device_name, &sector_size);
1577         if (retval) {
1578                 com_err(program_name, retval,
1579                         _("while trying to determine hardware sector size"));
1580                 exit(1);
1581         }
1582
1583         if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL)
1584                 sector_size = atoi(tmp);
1585
1586         if (blocksize <= 0) {
1587                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
1588
1589                 if (use_bsize == -1) {
1590                         use_bsize = sys_page_size;
1591                         if ((linux_version_code < (2*65536 + 6*256)) &&
1592                             (use_bsize > 4096))
1593                                 use_bsize = 4096;
1594                 }
1595                 if (sector_size && use_bsize < sector_size)
1596                         use_bsize = sector_size;
1597                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
1598                         use_bsize = -blocksize;
1599                 blocksize = use_bsize;
1600                 fs_param.s_blocks_count /= blocksize / 1024;
1601         }
1602
1603         if (inode_ratio == 0) {
1604                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
1605                                                    8192);
1606                 if (inode_ratio < blocksize)
1607                         inode_ratio = blocksize;
1608         }
1609
1610         fs_param.s_log_frag_size = fs_param.s_log_block_size =
1611                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1612
1613         blocksize = EXT2_BLOCK_SIZE(&fs_param);
1614
1615         lazy_itable_init = get_bool_from_profile(fs_types,
1616                                                  "lazy_itable_init", 0);
1617
1618         /* Get options from profile */
1619         for (cpp = fs_types; *cpp; cpp++) {
1620                 tmp = NULL;
1621                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
1622                         if (tmp && *tmp)
1623                                 parse_extended_opts(&fs_param, tmp);
1624                         if (tmp)
1625                                 free(tmp);
1626         }
1627
1628         if (extended_opts)
1629                 parse_extended_opts(&fs_param, extended_opts);
1630
1631         /* Since sparse_super is the default, we would only have a problem
1632          * here if it was explicitly disabled.
1633          */
1634         if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) &&
1635             !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
1636                 com_err(program_name, 0,
1637                         _("reserved online resize blocks not supported "
1638                           "on non-sparse filesystem"));
1639                 exit(1);
1640         }
1641
1642         if (fs_param.s_blocks_per_group) {
1643                 if (fs_param.s_blocks_per_group < 256 ||
1644                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
1645                         com_err(program_name, 0,
1646                                 _("blocks per group count out of range"));
1647                         exit(1);
1648                 }
1649         }
1650
1651         if (inode_size == 0)
1652                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
1653         if (!flex_bg_size && (fs_param.s_feature_incompat &
1654                               EXT4_FEATURE_INCOMPAT_FLEX_BG))
1655                 flex_bg_size = get_int_from_profile(fs_types,
1656                                                     "flex_bg_size", 16);
1657         if (flex_bg_size) {
1658                 if (!(fs_param.s_feature_incompat &
1659                       EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
1660                         com_err(program_name, 0,
1661                                 _("Flex_bg feature not enabled, so "
1662                                   "flex_bg size may not be specified"));
1663                         exit(1);
1664                 }
1665                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
1666         }
1667
1668         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
1669                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
1670                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
1671                     inode_size & (inode_size - 1)) {
1672                         com_err(program_name, 0,
1673                                 _("invalid inode size %d (min %d/max %d)"),
1674                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
1675                                 blocksize);
1676                         exit(1);
1677                 }
1678                 fs_param.s_inode_size = inode_size;
1679         }
1680
1681         /* Make sure number of inodes specified will fit in 32 bits */
1682         if (num_inodes == 0) {
1683                 unsigned long long n;
1684                 n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio;
1685                 if (n > ~0U) {
1686                         com_err(program_name, 0,
1687                             _("too many inodes (%llu), raise inode ratio?"), n);
1688                         exit(1);
1689                 }
1690         } else if (num_inodes > ~0U) {
1691                 com_err(program_name, 0,
1692                         _("too many inodes (%llu), specify < 2^32 inodes"),
1693                           num_inodes);
1694                 exit(1);
1695         }
1696         /*
1697          * Calculate number of inodes based on the inode ratio
1698          */
1699         fs_param.s_inodes_count = num_inodes ? num_inodes :
1700                 ((__u64) fs_param.s_blocks_count * blocksize)
1701                         / inode_ratio;
1702
1703         if ((((long long)fs_param.s_inodes_count) *
1704              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
1705             (((long long)fs_param.s_blocks_count) *
1706              EXT2_BLOCK_SIZE(&fs_param))) {
1707                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
1708                                           "(%u) too big for a\n\t"
1709                                           "filesystem with %lu blocks, "
1710                                           "specify higher inode_ratio (-i)\n\t"
1711                                           "or lower inode count (-N).\n"),
1712                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
1713                         fs_param.s_inodes_count,
1714                         (unsigned long) fs_param.s_blocks_count);
1715                 exit(1);
1716         }
1717
1718         /*
1719          * Calculate number of blocks to reserve
1720          */
1721         fs_param.s_r_blocks_count = (unsigned int) (reserved_ratio *
1722                                         fs_param.s_blocks_count / 100.0);
1723 }
1724
1725 static int should_do_undo(const char *name)
1726 {
1727         errcode_t retval;
1728         io_channel channel;
1729         __u16   s_magic;
1730         struct ext2_super_block super;
1731         io_manager manager = unix_io_manager;
1732         int csum_flag, force_undo;
1733
1734         csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
1735                                                EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
1736         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
1737         if (!force_undo && (!csum_flag || !lazy_itable_init))
1738                 return 0;
1739
1740         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
1741         if (retval) {
1742                 /*
1743                  * We don't handle error cases instead we
1744                  * declare that the file system doesn't exist
1745                  * and let the rest of mke2fs take care of
1746                  * error
1747                  */
1748                 retval = 0;
1749                 goto open_err_out;
1750         }
1751
1752         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
1753         retval = io_channel_read_blk(channel, 1, -SUPERBLOCK_SIZE, &super);
1754         if (retval) {
1755                 retval = 0;
1756                 goto err_out;
1757         }
1758
1759 #if defined(WORDS_BIGENDIAN)
1760         s_magic = ext2fs_swab16(super.s_magic);
1761 #else
1762         s_magic = super.s_magic;
1763 #endif
1764
1765         if (s_magic == EXT2_SUPER_MAGIC)
1766                 retval = 1;
1767
1768 err_out:
1769         io_channel_close(channel);
1770
1771 open_err_out:
1772
1773         return retval;
1774 }
1775
1776 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
1777 {
1778         errcode_t retval = 0;
1779         char *tdb_dir, tdb_file[PATH_MAX];
1780         char *device_name, *tmp_name;
1781
1782         /*
1783          * Configuration via a conf file would be
1784          * nice
1785          */
1786         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
1787         if (!tdb_dir)
1788                 profile_get_string(profile, "defaults",
1789                                    "undo_dir", 0, "/var/lib/e2fsprogs",
1790                                    &tdb_dir);
1791
1792         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
1793             access(tdb_dir, W_OK))
1794                 return 0;
1795
1796         tmp_name = strdup(name);
1797         device_name = basename(tmp_name);
1798         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name);
1799
1800         if (!access(tdb_file, F_OK)) {
1801                 if (unlink(tdb_file) < 0) {
1802                         retval = errno;
1803                         com_err(program_name, retval,
1804                                 _("while trying to delete %s"),
1805                                 tdb_file);
1806                         return retval;
1807                 }
1808         }
1809
1810         set_undo_io_backing_manager(*io_ptr);
1811         *io_ptr = undo_io_manager;
1812         set_undo_io_backup_file(tdb_file);
1813         printf(_("Overwriting existing filesystem; this can be undone "
1814                  "using the command:\n"
1815                  "    e2undo %s %s\n\n"), tdb_file, name);
1816
1817         free(tmp_name);
1818         return retval;
1819 }
1820
1821 int main (int argc, char *argv[])
1822 {
1823         errcode_t       retval = 0;
1824         ext2_filsys     fs;
1825         badblocks_list  bb_list = 0;
1826         unsigned int    journal_blocks;
1827         unsigned int    i;
1828         int             val;
1829         io_manager      io_ptr;
1830         char            tdb_string[40];
1831
1832 #ifdef ENABLE_NLS
1833         setlocale(LC_MESSAGES, "");
1834         setlocale(LC_CTYPE, "");
1835         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
1836         textdomain(NLS_CAT_NAME);
1837 #endif
1838         PRS(argc, argv);
1839
1840 #ifdef CONFIG_TESTIO_DEBUG
1841         io_ptr = test_io_manager;
1842         test_io_backing_manager = unix_io_manager;
1843 #else
1844         io_ptr = unix_io_manager;
1845 #endif
1846
1847         if (should_do_undo(device_name)) {
1848                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
1849                 if (retval)
1850                         exit(1);
1851         }
1852
1853         /*
1854          * Initialize the superblock....
1855          */
1856         retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param,
1857                                    io_ptr, &fs);
1858         if (retval) {
1859                 com_err(device_name, retval, _("while setting up superblock"));
1860                 exit(1);
1861         }
1862         sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
1863                 32768 : fs->blocksize * 8);
1864         io_channel_set_options(fs->io, tdb_string);
1865
1866         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
1867                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
1868
1869         /*
1870          * Wipe out the old on-disk superblock
1871          */
1872         if (!noaction)
1873                 zap_sector(fs, 2, 6);
1874
1875         /*
1876          * Generate a UUID for it...
1877          */
1878         uuid_generate(fs->super->s_uuid);
1879
1880         /*
1881          * Initialize the directory index variables
1882          */
1883         fs->super->s_def_hash_version = EXT2_HASH_HALF_MD4;
1884         uuid_generate((unsigned char *) fs->super->s_hash_seed);
1885
1886         /*
1887          * Add "jitter" to the superblock's check interval so that we
1888          * don't check all the filesystems at the same time.  We use a
1889          * kludgy hack of using the UUID to derive a random jitter value.
1890          */
1891         for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
1892                 val += fs->super->s_uuid[i];
1893         fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
1894
1895         /*
1896          * Override the creator OS, if applicable
1897          */
1898         if (creator_os && !set_os(fs->super, creator_os)) {
1899                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
1900                 exit(1);
1901         }
1902
1903         /*
1904          * For the Hurd, we will turn off filetype since it doesn't
1905          * support it.
1906          */
1907         if (fs->super->s_creator_os == EXT2_OS_HURD)
1908                 fs->super->s_feature_incompat &=
1909                         ~EXT2_FEATURE_INCOMPAT_FILETYPE;
1910
1911         /*
1912          * Set the volume label...
1913          */
1914         if (volume_label) {
1915                 memset(fs->super->s_volume_name, 0,
1916                        sizeof(fs->super->s_volume_name));
1917                 strncpy(fs->super->s_volume_name, volume_label,
1918                         sizeof(fs->super->s_volume_name));
1919         }
1920
1921         /*
1922          * Set the last mount directory
1923          */
1924         if (mount_dir) {
1925                 memset(fs->super->s_last_mounted, 0,
1926                        sizeof(fs->super->s_last_mounted));
1927                 strncpy(fs->super->s_last_mounted, mount_dir,
1928                         sizeof(fs->super->s_last_mounted));
1929         }
1930
1931         if (!quiet || noaction)
1932                 show_stats(fs);
1933
1934         if (noaction)
1935                 exit(0);
1936
1937         if (fs->super->s_feature_incompat &
1938             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1939                 create_journal_dev(fs);
1940                 exit(ext2fs_close(fs) ? 1 : 0);
1941         }
1942
1943         if (bad_blocks_filename)
1944                 read_bb_file(fs, &bb_list, bad_blocks_filename);
1945         if (cflag)
1946                 test_disk(fs, &bb_list);
1947
1948         handle_bad_blocks(fs, bb_list);
1949         fs->stride = fs_stride = fs->super->s_raid_stride;
1950         retval = ext2fs_allocate_tables(fs);
1951         if (retval) {
1952                 com_err(program_name, retval,
1953                         _("while trying to allocate filesystem tables"));
1954                 exit(1);
1955         }
1956         if (super_only) {
1957                 fs->super->s_state |= EXT2_ERROR_FS;
1958                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
1959         } else {
1960                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
1961                 unsigned int rsv = 65536 / fs->blocksize;
1962                 unsigned long blocks = fs->super->s_blocks_count;
1963                 unsigned long start;
1964                 blk_t ret_blk;
1965
1966 #ifdef ZAP_BOOTBLOCK
1967                 zap_sector(fs, 0, 2);
1968 #endif
1969
1970                 /*
1971                  * Wipe out any old MD RAID (or other) metadata at the end
1972                  * of the device.  This will also verify that the device is
1973                  * as large as we think.  Be careful with very small devices.
1974                  */
1975                 start = (blocks & ~(rsv - 1));
1976                 if (start > rsv)
1977                         start -= rsv;
1978                 if (start > 0)
1979                         retval = ext2fs_zero_blocks(fs, start, blocks - start,
1980                                                     &ret_blk, NULL);
1981
1982                 if (retval) {
1983                         com_err(program_name, retval,
1984                                 _("while zeroing block %u at end of filesystem"),
1985                                 ret_blk);
1986                 }
1987                 write_inode_tables(fs, lazy_itable_init);
1988                 create_root_dir(fs);
1989                 create_lost_and_found(fs);
1990                 reserve_inodes(fs);
1991                 create_bad_block_inode(fs, bb_list);
1992                 if (fs->super->s_feature_compat &
1993                     EXT2_FEATURE_COMPAT_RESIZE_INODE) {
1994                         retval = ext2fs_create_resize_inode(fs);
1995                         if (retval) {
1996                                 com_err("ext2fs_create_resize_inode", retval,
1997                                 _("while reserving blocks for online resize"));
1998                                 exit(1);
1999                         }
2000                 }
2001         }
2002
2003         if (journal_device) {
2004                 ext2_filsys     jfs;
2005
2006                 if (!force)
2007                         check_plausibility(journal_device);
2008                 check_mount(journal_device, force, _("journal"));
2009
2010                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
2011                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
2012                                      fs->blocksize, unix_io_manager, &jfs);
2013                 if (retval) {
2014                         com_err(program_name, retval,
2015                                 _("while trying to open journal device %s\n"),
2016                                 journal_device);
2017                         exit(1);
2018                 }
2019                 if (!quiet) {
2020                         printf(_("Adding journal to device %s: "),
2021                                journal_device);
2022                         fflush(stdout);
2023                 }
2024                 retval = ext2fs_add_journal_device(fs, jfs);
2025                 if(retval) {
2026                         com_err (program_name, retval,
2027                                  _("\n\twhile trying to add journal to device %s"),
2028                                  journal_device);
2029                         exit(1);
2030                 }
2031                 if (!quiet)
2032                         printf(_("done\n"));
2033                 ext2fs_close(jfs);
2034                 free(journal_device);
2035         } else if ((journal_size) ||
2036                    (fs_param.s_feature_compat &
2037                     EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
2038                 journal_blocks = figure_journal_size(journal_size, fs);
2039
2040                 if (!journal_blocks) {
2041                         fs->super->s_feature_compat &=
2042                                 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
2043                         goto no_journal;
2044                 }
2045                 if (!quiet) {
2046                         printf(_("Creating journal (%u blocks): "),
2047                                journal_blocks);
2048                         fflush(stdout);
2049                 }
2050                 retval = ext2fs_add_journal_inode(fs, journal_blocks,
2051                                                   journal_flags);
2052                 if (retval) {
2053                         com_err (program_name, retval,
2054                                  _("\n\twhile trying to create journal"));
2055                         exit(1);
2056                 }
2057                 if (!quiet)
2058                         printf(_("done\n"));
2059         }
2060 no_journal:
2061
2062         if (!quiet)
2063                 printf(_("Writing superblocks and "
2064                        "filesystem accounting information: "));
2065         retval = ext2fs_flush(fs);
2066         if (retval) {
2067                 fprintf(stderr,
2068                         _("\nWarning, had trouble writing out superblocks."));
2069         }
2070         if (!quiet) {
2071                 printf(_("done\n\n"));
2072                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
2073                         print_check_message(fs);
2074         }
2075         val = ext2fs_close(fs);
2076         remove_error_table(&et_ext2_error_table);
2077         remove_error_table(&et_prof_error_table);
2078         profile_release(profile);
2079         return (retval || val) ? 1 : 0;
2080 }