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
 931         if (init_list(&list))
 932                 return 0;
 933
 934         if (fs_type)
 935                 ext_type = fs_type;
 936         else if (progname) {
 937                 ext_type = strrchr(progname, '/');
 938                 if (ext_type)
 939                         ext_type++;
 940                 else
 941                         ext_type = progname;
 942
 943                 if (!strncmp(ext_type, "mkfs.", 5)) {
 944                         ext_type += 5;
 945                         if (ext_type[0] == 0)
 946                                 ext_type = 0;
 947                 } else
 948                         ext_type = 0;
 949         }
 950
 951         if (!ext_type) {
 952                 profile_get_string(profile, "defaults", "fs_type", 0,
 953                                    "ext2", &profile_type);
 954                 ext_type = profile_type;
 955                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
 956                         ext_type = "ext3";
 957         }
 958
 959         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param);
 960         if (fs_param->s_blocks_count < 3 * meg)
 961                 size_type = "floppy";
 962         else if (fs_param->s_blocks_count < 512 * meg)
 963                 size_type = "small";
 964         else
 965                 size_type = "default";
 966
 967         if (!usage_types)
 968                 usage_types = size_type;
 969
 970         parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1);
 971         if (!parse_str) {
 972                 free(list.list);
 973                 return 0;
 974         }
 975         if (usage_types)
 976                 strcpy(parse_str, usage_types);
 977         else
 978                 *parse_str = '\0';
 979
 980         if (ext_type)
 981                 push_string(&list, ext_type);
 982         cp = parse_str;
 983         while (1) {
 984                 t = strchr(cp, ',');
 985                 if (t)
 986                         *t = '\0';
 987
 988                 if (*cp)
 989                         push_string(&list, cp);
 990                 if (t)
 991                         cp = t+1;
 992                 else {
 993                         cp = "";
 994                         break;
 995                 }
 996         }
 997         free(parse_str);
 998         if (profile_type)
 999                 free(profile_type);
1000         return (list.list);
1001 }
1002
1003 static char *get_string_from_profile(char **fs_types, const char *opt,
1004                                      const char *def_val)
1005 {
1006         char *ret = 0;
1007         int i;
1008
1009         for (i=0; fs_types[i]; i++);
1010         for (i-=1; i >=0 ; i--) {
1011                 profile_get_string(profile, "fs_types", fs_types[i],
1012                                    opt, 0, &ret);
1013                 if (ret)
1014                         return ret;
1015         }
1016         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1017         return (ret);
1018 }
1019
1020 static int get_int_from_profile(char **fs_types, const char *opt, int def_val)
1021 {
1022         int ret;
1023         char **cpp;
1024
1025         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1026         for (cpp = fs_types; *cpp; cpp++)
1027                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1028         return ret;
1029 }
1030
1031 static int get_bool_from_profile(char **fs_types, const char *opt, int def_val)
1032 {
1033         int ret;
1034         char **cpp;
1035
1036         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1037         for (cpp = fs_types; *cpp; cpp++)
1038                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1039         return ret;
1040 }
1041
1042 extern const char *mke2fs_default_profile;
1043 static const char *default_files[] = { "<default>", 0 };
1044
1045 static void PRS(int argc, char *argv[])
1046 {
1047         int             b, c;
1048         int             size;
1049         char            *tmp, **cpp;
1050         int             blocksize = 0;
1051         int             inode_ratio = 0;
1052         int             inode_size = 0;
1053         unsigned long   flex_bg_size = 0;
1054         double          reserved_ratio = 5.0;
1055         int             sector_size = 0;
1056         int             show_version_only = 0;
1057         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1058         errcode_t       retval;
1059         char *          oldpath = getenv("PATH");
1060         char *          extended_opts = 0;
1061         const char *    fs_type = 0;
1062         const char *    usage_types = 0;
1063         blk_t           dev_size;
1064 #ifdef __linux__
1065         struct          utsname ut;
1066 #endif
1067         long            sysval;
1068         int             s_opt = -1, r_opt = -1;
1069         char            *fs_features = 0;
1070         int             use_bsize;
1071         char            *newpath;
1072         int             pathlen = sizeof(PATH_SET) + 1;
1073
1074         if (oldpath)
1075                 pathlen += strlen(oldpath);
1076         newpath = malloc(pathlen);
1077         strcpy(newpath, PATH_SET);
1078
1079         /* Update our PATH to include /sbin  */
1080         if (oldpath) {
1081                 strcat (newpath, ":");
1082                 strcat (newpath, oldpath);
1083         }
1084         putenv (newpath);
1085
1086         tmp = getenv("MKE2FS_SYNC");
1087         if (tmp)
1088                 sync_kludge = atoi(tmp);
1089
1090         /* Determine the system page size if possible */
1091 #ifdef HAVE_SYSCONF
1092 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1093 #define _SC_PAGESIZE _SC_PAGE_SIZE
1094 #endif
1095 #ifdef _SC_PAGESIZE
1096         sysval = sysconf(_SC_PAGESIZE);
1097         if (sysval > 0)
1098                 sys_page_size = sysval;
1099 #endif /* _SC_PAGESIZE */
1100 #endif /* HAVE_SYSCONF */
1101
1102         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1103                 config_fn[0] = tmp;
1104         profile_set_syntax_err_cb(syntax_err_report);
1105         retval = profile_init(config_fn, &profile);
1106         if (retval == ENOENT) {
1107                 profile_init(default_files, &profile);
1108                 profile_set_default(profile, mke2fs_default_profile);
1109         }
1110
1111         setbuf(stdout, NULL);
1112         setbuf(stderr, NULL);
1113         add_error_table(&et_ext2_error_table);
1114         add_error_table(&et_prof_error_table);
1115         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1116         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1117
1118 #ifdef __linux__
1119         if (uname(&ut)) {
1120                 perror("uname");
1121                 exit(1);
1122         }
1123         linux_version_code = parse_version_number(ut.release);
1124         if (linux_version_code && linux_version_code < (2*65536 + 2*256))
1125                 fs_param.s_rev_level = 0;
1126 #endif
1127
1128         if (argc && *argv) {
1129                 program_name = get_progname(*argv);
1130
1131                 /* If called as mkfs.ext3, create a journal inode */
1132                 if (!strcmp(program_name, "mkfs.ext3"))
1133                         journal_size = -1;
1134         }
1135
1136         while ((c = getopt (argc, argv,
1137                     "b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:L:M:N:O:R:ST:V")) != EOF) {
1138                 switch (c) {
1139                 case 'b':
1140                         blocksize = strtol(optarg, &tmp, 0);
1141                         b = (blocksize > 0) ? blocksize : -blocksize;
1142                         if (b < EXT2_MIN_BLOCK_SIZE ||
1143                             b > EXT2_MAX_BLOCK_SIZE || *tmp) {
1144                                 com_err(program_name, 0,
1145                                         _("invalid block size - %s"), optarg);
1146                                 exit(1);
1147                         }
1148                         if (blocksize > 4096)
1149                                 fprintf(stderr, _("Warning: blocksize %d not "
1150                                                   "usable on most systems.\n"),
1151                                         blocksize);
1152                         if (blocksize > 0)
1153                                 fs_param.s_log_block_size =
1154                                         int_log2(blocksize >>
1155                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1156                         break;
1157                 case 'c':       /* Check for bad blocks */
1158                         cflag++;
1159                         break;
1160                 case 'f':
1161                         size = strtoul(optarg, &tmp, 0);
1162                         if (size < EXT2_MIN_BLOCK_SIZE ||
1163                             size > EXT2_MAX_BLOCK_SIZE || *tmp) {
1164                                 com_err(program_name, 0,
1165                                         _("invalid fragment size - %s"),
1166                                         optarg);
1167                                 exit(1);
1168                         }
1169                         fs_param.s_log_frag_size =
1170                                 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE);
1171                         fprintf(stderr, _("Warning: fragments not supported.  "
1172                                "Ignoring -f option\n"));
1173                         break;
1174                 case 'g':
1175                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1176                         if (*tmp) {
1177                                 com_err(program_name, 0,
1178                                         _("Illegal number for blocks per group"));
1179                                 exit(1);
1180                         }
1181                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1182                                 com_err(program_name, 0,
1183                                 _("blocks per group must be multiple of 8"));
1184                                 exit(1);
1185                         }
1186                         break;
1187                 case 'G':
1188                         flex_bg_size = strtoul(optarg, &tmp, 0);
1189                         if (*tmp) {
1190                                 com_err(program_name, 0,
1191                                         _("Illegal number for flex_bg size"));
1192                                 exit(1);
1193                         }
1194                         if (flex_bg_size < 2 ||
1195                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1196                                 com_err(program_name, 0,
1197                                         _("flex_bg size must be a power of 2"));
1198                                 exit(1);
1199                         }
1200                         break;
1201                 case 'i':
1202                         inode_ratio = strtoul(optarg, &tmp, 0);
1203                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1204                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
1205                             *tmp) {
1206                                 com_err(program_name, 0,
1207                                         _("invalid inode ratio %s (min %d/max %d)"),
1208                                         optarg, EXT2_MIN_BLOCK_SIZE,
1209                                         EXT2_MAX_BLOCK_SIZE);
1210                                 exit(1);
1211                         }
1212                         break;
1213                 case 'J':
1214                         parse_journal_opts(optarg);
1215                         break;
1216                 case 'j':
1217                         if (!journal_size)
1218                                 journal_size = -1;
1219                         break;
1220                 case 'l':
1221                         bad_blocks_filename = malloc(strlen(optarg)+1);
1222                         if (!bad_blocks_filename) {
1223                                 com_err(program_name, ENOMEM,
1224                                         _("in malloc for bad_blocks_filename"));
1225                                 exit(1);
1226                         }
1227                         strcpy(bad_blocks_filename, optarg);
1228                         break;
1229                 case 'm':
1230                         reserved_ratio = strtod(optarg, &tmp);
1231                         if (reserved_ratio > 50 || *tmp) {
1232                                 com_err(program_name, 0,
1233                                         _("invalid reserved blocks percent - %s"),
1234                                         optarg);
1235                                 exit(1);
1236                         }
1237                         break;
1238                 case 'n':
1239                         noaction++;
1240                         break;
1241                 case 'o':
1242                         creator_os = optarg;
1243                         break;
1244                 case 'q':
1245                         quiet = 1;
1246                         break;
1247                 case 'r':
1248                         r_opt = strtoul(optarg, &tmp, 0);
1249                         if (*tmp) {
1250                                 com_err(program_name, 0,
1251                                         _("bad revision level - %s"), optarg);
1252                                 exit(1);
1253                         }
1254                         fs_param.s_rev_level = r_opt;
1255                         break;
1256                 case 's':       /* deprecated */
1257                         s_opt = atoi(optarg);
1258                         break;
1259                 case 'I':
1260                         inode_size = strtoul(optarg, &tmp, 0);
1261                         if (*tmp) {
1262                                 com_err(program_name, 0,
1263                                         _("invalid inode size - %s"), optarg);
1264                                 exit(1);
1265                         }
1266                         break;
1267                 case 'v':
1268                         verbose = 1;
1269                         break;
1270                 case 'F':
1271                         force++;
1272                         break;
1273                 case 'L':
1274                         volume_label = optarg;
1275                         break;
1276                 case 'M':
1277                         mount_dir = optarg;
1278                         break;
1279                 case 'N':
1280                         num_inodes = strtoul(optarg, &tmp, 0);
1281                         if (*tmp) {
1282                                 com_err(program_name, 0,
1283                                         _("bad num inodes - %s"), optarg);
1284                                         exit(1);
1285                         }
1286                         break;
1287                 case 'O':
1288                         fs_features = optarg;
1289                         break;
1290                 case 'E':
1291                 case 'R':
1292                         extended_opts = optarg;
1293                         break;
1294                 case 'S':
1295                         super_only = 1;
1296                         break;
1297                 case 't':
1298                         fs_type = optarg;
1299                         break;
1300                 case 'T':
1301                         usage_types = optarg;
1302                         break;
1303                 case 'V':
1304                         /* Print version number and exit */
1305                         show_version_only++;
1306                         break;
1307                 default:
1308                         usage();
1309                 }
1310         }
1311         if ((optind == argc) && !show_version_only)
1312                 usage();
1313         device_name = argv[optind++];
1314
1315         if (!quiet || show_version_only)
1316                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1317                          E2FSPROGS_DATE);
1318
1319         if (show_version_only) {
1320                 fprintf(stderr, _("\tUsing %s\n"),
1321                         error_message(EXT2_ET_BASE));
1322                 exit(0);
1323         }
1324
1325         /*
1326          * If there's no blocksize specified and there is a journal
1327          * device, use it to figure out the blocksize
1328          */
1329         if (blocksize <= 0 && journal_device) {
1330                 ext2_filsys     jfs;
1331                 io_manager      io_ptr;
1332
1333 #ifdef CONFIG_TESTIO_DEBUG
1334                 io_ptr = test_io_manager;
1335                 test_io_backing_manager = unix_io_manager;
1336 #else
1337                 io_ptr = unix_io_manager;
1338 #endif
1339                 retval = ext2fs_open(journal_device,
1340                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1341                                      0, io_ptr, &jfs);
1342                 if (retval) {
1343                         com_err(program_name, retval,
1344                                 _("while trying to open journal device %s\n"),
1345                                 journal_device);
1346                         exit(1);
1347                 }
1348                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1349                         com_err(program_name, 0,
1350                                 _("Journal dev blocksize (%d) smaller than "
1351                                   "minimum blocksize %d\n"), jfs->blocksize,
1352                                 -blocksize);
1353                         exit(1);
1354                 }
1355                 blocksize = jfs->blocksize;
1356                 fs_param.s_log_block_size =
1357                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1358                 ext2fs_close(jfs);
1359         }
1360
1361         if (blocksize > sys_page_size) {
1362                 if (!force) {
1363                         com_err(program_name, 0,
1364                                 _("%d-byte blocks too big for system (max %d)"),
1365                                 blocksize, sys_page_size);
1366                         proceed_question();
1367                 }
1368                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
1369                                   "(max %d), forced to continue\n"),
1370                         blocksize, sys_page_size);
1371         }
1372         if (optind < argc) {
1373                 fs_param.s_blocks_count = parse_num_blocks(argv[optind++],
1374                                 fs_param.s_log_block_size);
1375                 if (!fs_param.s_blocks_count) {
1376                         com_err(program_name, 0, _("invalid blocks count - %s"),
1377                                 argv[optind - 1]);
1378                         exit(1);
1379                 }
1380         }
1381         if (optind < argc)
1382                 usage();
1383
1384         if (!force)
1385                 check_plausibility(device_name);
1386         check_mount(device_name, force, _("filesystem"));
1387
1388         fs_param.s_log_frag_size = fs_param.s_log_block_size;
1389
1390         if (noaction && fs_param.s_blocks_count) {
1391                 dev_size = fs_param.s_blocks_count;
1392                 retval = 0;
1393         } else {
1394         retry:
1395                 retval = ext2fs_get_device_size(device_name,
1396                                                 EXT2_BLOCK_SIZE(&fs_param),
1397                                                 &dev_size);
1398                 if ((retval == EFBIG) &&
1399                     (blocksize == 0) &&
1400                     (fs_param.s_log_block_size == 0)) {
1401                         fs_param.s_log_block_size = 2;
1402                         blocksize = 4096;
1403                         goto retry;
1404                 }
1405         }
1406
1407         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1408                 com_err(program_name, retval,
1409                         _("while trying to determine filesystem size"));
1410                 exit(1);
1411         }
1412         if (!fs_param.s_blocks_count) {
1413                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1414                         com_err(program_name, 0,
1415                                 _("Couldn't determine device size; you "
1416                                 "must specify\nthe size of the "
1417                                 "filesystem\n"));
1418                         exit(1);
1419                 } else {
1420                         if (dev_size == 0) {
1421                                 com_err(program_name, 0,
1422                                 _("Device size reported to be zero.  "
1423                                   "Invalid partition specified, or\n\t"
1424                                   "partition table wasn't reread "
1425                                   "after running fdisk, due to\n\t"
1426                                   "a modified partition being busy "
1427                                   "and in use.  You may need to reboot\n\t"
1428                                   "to re-read your partition table.\n"
1429                                   ));
1430                                 exit(1);
1431                         }
1432                         fs_param.s_blocks_count = dev_size;
1433                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1434                                 fs_param.s_blocks_count &= ~((sys_page_size /
1435                                            EXT2_BLOCK_SIZE(&fs_param))-1);
1436                 }
1437
1438         } else if (!force && (fs_param.s_blocks_count > dev_size)) {
1439                 com_err(program_name, 0,
1440                         _("Filesystem larger than apparent device size."));
1441                 proceed_question();
1442         }
1443
1444         fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]);
1445         if (!fs_types) {
1446                 fprintf(stderr, _("Failed to parse fs types list\n"));
1447                 exit(1);
1448         }
1449
1450         /* Figure out what features should be enabled */
1451
1452         tmp = NULL;
1453         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1454                 tmp = get_string_from_profile(fs_types, "base_features",
1455                       "sparse_super,filetype,resize_inode,dir_index");
1456                 edit_feature(tmp, &fs_param.s_feature_compat);
1457                 free(tmp);
1458
1459                 for (cpp = fs_types; *cpp; cpp++) {
1460                         tmp = NULL;
1461                         profile_get_string(profile, "fs_types", *cpp,
1462                                            "features", "", &tmp);
1463                         if (tmp && *tmp)
1464                                 edit_feature(tmp, &fs_param.s_feature_compat);
1465                         if (tmp)
1466                                 free(tmp);
1467                 }
1468                 tmp = get_string_from_profile(fs_types, "default_features",
1469                                               "");
1470         }
1471         edit_feature(fs_features ? fs_features : tmp,
1472                      &fs_param.s_feature_compat);
1473         if (tmp)
1474                 free(tmp);
1475
1476         if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1477                 fs_types[0] = strdup("journal");
1478                 fs_types[1] = 0;
1479         }
1480
1481         if (verbose) {
1482                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
1483                 print_str_list(fs_types);
1484         }
1485
1486         if (r_opt == EXT2_GOOD_OLD_REV &&
1487             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
1488              fs_param.s_feature_incompat)) {
1489                 fprintf(stderr, _("Filesystem features not supported "
1490                                   "with revision 0 filesystems\n"));
1491                 exit(1);
1492         }
1493
1494         if (s_opt > 0) {
1495                 if (r_opt == EXT2_GOOD_OLD_REV) {
1496                         fprintf(stderr, _("Sparse superblocks not supported "
1497                                   "with revision 0 filesystems\n"));
1498                         exit(1);
1499                 }
1500                 fs_param.s_feature_ro_compat |=
1501                         EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
1502         } else if (s_opt == 0)
1503                 fs_param.s_feature_ro_compat &=
1504                         ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
1505
1506         if (journal_size != 0) {
1507                 if (r_opt == EXT2_GOOD_OLD_REV) {
1508                         fprintf(stderr, _("Journals not supported "
1509                                   "with revision 0 filesystems\n"));
1510                         exit(1);
1511                 }
1512                 fs_param.s_feature_compat |=
1513                         EXT3_FEATURE_COMPAT_HAS_JOURNAL;
1514         }
1515
1516         if (fs_param.s_feature_incompat &
1517             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1518                 reserved_ratio = 0;
1519                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
1520                 fs_param.s_feature_compat = 0;
1521                 fs_param.s_feature_ro_compat = 0;
1522         }
1523
1524         if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
1525             (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) {
1526                 fprintf(stderr, _("The resize_inode and meta_bg features "
1527                                   "are not compatible.\n"
1528                                   "They can not be both enabled "
1529                                   "simultaneously.\n"));
1530                 exit(1);
1531         }
1532
1533         /* Set first meta blockgroup via an environment variable */
1534         /* (this is mostly for debugging purposes) */
1535         if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
1536             ((tmp = getenv("MKE2FS_FIRST_META_BG"))))
1537                 fs_param.s_first_meta_bg = atoi(tmp);
1538
1539         /* Get the hardware sector size, if available */
1540         retval = ext2fs_get_device_sectsize(device_name, &sector_size);
1541         if (retval) {
1542                 com_err(program_name, retval,
1543                         _("while trying to determine hardware sector size"));
1544                 exit(1);
1545         }
1546
1547         if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL)
1548                 sector_size = atoi(tmp);
1549
1550         if (blocksize <= 0) {
1551                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
1552
1553                 if (use_bsize == -1) {
1554                         use_bsize = sys_page_size;
1555                         if ((linux_version_code < (2*65536 + 6*256)) &&
1556                             (use_bsize > 4096))
1557                                 use_bsize = 4096;
1558                 }
1559                 if (sector_size && use_bsize < sector_size)
1560                         use_bsize = sector_size;
1561                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
1562                         use_bsize = -blocksize;
1563                 blocksize = use_bsize;
1564                 fs_param.s_blocks_count /= blocksize / 1024;
1565         }
1566
1567         if (inode_ratio == 0) {
1568                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
1569                                                    8192);
1570                 if (inode_ratio < blocksize)
1571                         inode_ratio = blocksize;
1572         }
1573
1574         fs_param.s_log_frag_size = fs_param.s_log_block_size =
1575                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1576
1577         blocksize = EXT2_BLOCK_SIZE(&fs_param);
1578
1579         lazy_itable_init = get_bool_from_profile(fs_types,
1580                                                  "lazy_itable_init", 0);
1581
1582         /* Get options from profile */
1583         for (cpp = fs_types; *cpp; cpp++) {
1584                 tmp = NULL;
1585                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
1586                         if (tmp && *tmp)
1587                                 parse_extended_opts(&fs_param, tmp);
1588                         if (tmp)
1589                                 free(tmp);
1590         }
1591
1592         if (extended_opts)
1593                 parse_extended_opts(&fs_param, extended_opts);
1594
1595         /* Since sparse_super is the default, we would only have a problem
1596          * here if it was explicitly disabled.
1597          */
1598         if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) &&
1599             !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
1600                 com_err(program_name, 0,
1601                         _("reserved online resize blocks not supported "
1602                           "on non-sparse filesystem"));
1603                 exit(1);
1604         }
1605
1606         if (fs_param.s_blocks_per_group) {
1607                 if (fs_param.s_blocks_per_group < 256 ||
1608                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
1609                         com_err(program_name, 0,
1610                                 _("blocks per group count out of range"));
1611                         exit(1);
1612                 }
1613         }
1614
1615         if (inode_size == 0)
1616                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
1617         if (!flex_bg_size && (fs_param.s_feature_incompat &
1618                               EXT4_FEATURE_INCOMPAT_FLEX_BG))
1619                 flex_bg_size = get_int_from_profile(fs_types,
1620                                                     "flex_bg_size", 16);
1621         if (flex_bg_size) {
1622                 if (!(fs_param.s_feature_incompat &
1623                       EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
1624                         com_err(program_name, 0,
1625                                 _("Flex_bg feature not enabled, so "
1626                                   "flex_bg size may not be specified"));
1627                         exit(1);
1628                 }
1629                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
1630         }
1631
1632         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
1633                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
1634                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
1635                     inode_size & (inode_size - 1)) {
1636                         com_err(program_name, 0,
1637                                 _("invalid inode size %d (min %d/max %d)"),
1638                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
1639                                 blocksize);
1640                         exit(1);
1641                 }
1642                 fs_param.s_inode_size = inode_size;
1643         }
1644
1645         /* Make sure number of inodes specified will fit in 32 bits */
1646         if (num_inodes == 0) {
1647                 unsigned long long n;
1648                 n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio;
1649                 if (n > ~0U) {
1650                         com_err(program_name, 0,
1651                             _("too many inodes (%llu), raise inode ratio?"), n);
1652                         exit(1);
1653                 }
1654         } else if (num_inodes > ~0U) {
1655                 com_err(program_name, 0,
1656                         _("too many inodes (%llu), specify < 2^32 inodes"),
1657                           num_inodes);
1658                 exit(1);
1659         }
1660         /*
1661          * Calculate number of inodes based on the inode ratio
1662          */
1663         fs_param.s_inodes_count = num_inodes ? num_inodes :
1664                 ((__u64) fs_param.s_blocks_count * blocksize)
1665                         / inode_ratio;
1666
1667         if ((((long long)fs_param.s_inodes_count) *
1668              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
1669             (((long long)fs_param.s_blocks_count) *
1670              EXT2_BLOCK_SIZE(&fs_param))) {
1671                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
1672                                           "(%u) too big for a\n\t"
1673                                           "filesystem with %lu blocks, "
1674                                           "specify higher inode_ratio (-i)\n\t"
1675                                           "or lower inode count (-N).\n"),
1676                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
1677                         fs_param.s_inodes_count,
1678                         (unsigned long) fs_param.s_blocks_count);
1679                 exit(1);
1680         }
1681
1682         /*
1683          * Calculate number of blocks to reserve
1684          */
1685         fs_param.s_r_blocks_count = (unsigned int) (reserved_ratio *
1686                                         fs_param.s_blocks_count / 100.0);
1687 }
1688
1689 static int should_do_undo(const char *name)
1690 {
1691         errcode_t retval;
1692         io_channel channel;
1693         __u16   s_magic;
1694         struct ext2_super_block super;
1695         io_manager manager = unix_io_manager;
1696         int csum_flag, force_undo;
1697
1698         csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
1699                                                EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
1700         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
1701         if (!force_undo && (!csum_flag || !lazy_itable_init))
1702                 return 0;
1703
1704         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
1705         if (retval) {
1706                 /*
1707                  * We don't handle error cases instead we
1708                  * declare that the file system doesn't exist
1709                  * and let the rest of mke2fs take care of
1710                  * error
1711                  */
1712                 retval = 0;
1713                 goto open_err_out;
1714         }
1715
1716         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
1717         retval = io_channel_read_blk(channel, 1, -SUPERBLOCK_SIZE, &super);
1718         if (retval) {
1719                 retval = 0;
1720                 goto err_out;
1721         }
1722
1723 #if defined(WORDS_BIGENDIAN)
1724         s_magic = ext2fs_swab16(super.s_magic);
1725 #else
1726         s_magic = super.s_magic;
1727 #endif
1728
1729         if (s_magic == EXT2_SUPER_MAGIC)
1730                 retval = 1;
1731
1732 err_out:
1733         io_channel_close(channel);
1734
1735 open_err_out:
1736
1737         return retval;
1738 }
1739
1740 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
1741 {
1742         errcode_t retval = 0;
1743         char *tdb_dir, tdb_file[PATH_MAX];
1744         char *device_name, *tmp_name;
1745
1746         /*
1747          * Configuration via a conf file would be
1748          * nice
1749          */
1750         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
1751         if (!tdb_dir)
1752                 profile_get_string(profile, "defaults",
1753                                    "undo_dir", 0, "/var/lib/e2fsprogs",
1754                                    &tdb_dir);
1755
1756         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
1757             access(tdb_dir, W_OK))
1758                 return 0;
1759
1760         tmp_name = strdup(name);
1761         device_name = basename(tmp_name);
1762         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name);
1763
1764         if (!access(tdb_file, F_OK)) {
1765                 if (unlink(tdb_file) < 0) {
1766                         retval = errno;
1767                         com_err(program_name, retval,
1768                                 _("while trying to delete %s"),
1769                                 tdb_file);
1770                         return retval;
1771                 }
1772         }
1773
1774         set_undo_io_backing_manager(*io_ptr);
1775         *io_ptr = undo_io_manager;
1776         set_undo_io_backup_file(tdb_file);
1777         printf(_("Overwriting existing filesystem; this can be undone "
1778                  "using the command:\n"
1779                  "    e2undo %s %s\n\n"), tdb_file, name);
1780
1781         free(tmp_name);
1782         return retval;
1783 }
1784
1785 int main (int argc, char *argv[])
1786 {
1787         errcode_t       retval = 0;
1788         ext2_filsys     fs;
1789         badblocks_list  bb_list = 0;
1790         unsigned int    journal_blocks;
1791         unsigned int    i;
1792         int             val;
1793         io_manager      io_ptr;
1794         char            tdb_string[40];
1795
1796 #ifdef ENABLE_NLS
1797         setlocale(LC_MESSAGES, "");
1798         setlocale(LC_CTYPE, "");
1799         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
1800         textdomain(NLS_CAT_NAME);
1801 #endif
1802         PRS(argc, argv);
1803
1804 #ifdef CONFIG_TESTIO_DEBUG
1805         io_ptr = test_io_manager;
1806         test_io_backing_manager = unix_io_manager;
1807 #else
1808         io_ptr = unix_io_manager;
1809 #endif
1810
1811         if (should_do_undo(device_name)) {
1812                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
1813                 if (retval)
1814                         exit(1);
1815         }
1816
1817         /*
1818          * Initialize the superblock....
1819          */
1820         retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param,
1821                                    io_ptr, &fs);
1822         if (retval) {
1823                 com_err(device_name, retval, _("while setting up superblock"));
1824                 exit(1);
1825         }
1826         sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
1827                 32768 : fs->blocksize * 8);
1828         io_channel_set_options(fs->io, tdb_string);
1829
1830         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
1831                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
1832
1833         /*
1834          * Wipe out the old on-disk superblock
1835          */
1836         if (!noaction)
1837                 zap_sector(fs, 2, 6);
1838
1839         /*
1840          * Generate a UUID for it...
1841          */
1842         uuid_generate(fs->super->s_uuid);
1843
1844         /*
1845          * Initialize the directory index variables
1846          */
1847         fs->super->s_def_hash_version = EXT2_HASH_TEA;
1848         uuid_generate((unsigned char *) fs->super->s_hash_seed);
1849
1850         /*
1851          * Add "jitter" to the superblock's check interval so that we
1852          * don't check all the filesystems at the same time.  We use a
1853          * kludgy hack of using the UUID to derive a random jitter value.
1854          */
1855         for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
1856                 val += fs->super->s_uuid[i];
1857         fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
1858
1859         /*
1860          * Override the creator OS, if applicable
1861          */
1862         if (creator_os && !set_os(fs->super, creator_os)) {
1863                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
1864                 exit(1);
1865         }
1866
1867         /*
1868          * For the Hurd, we will turn off filetype since it doesn't
1869          * support it.
1870          */
1871         if (fs->super->s_creator_os == EXT2_OS_HURD)
1872                 fs->super->s_feature_incompat &=
1873                         ~EXT2_FEATURE_INCOMPAT_FILETYPE;
1874
1875         /*
1876          * Set the volume label...
1877          */
1878         if (volume_label) {
1879                 memset(fs->super->s_volume_name, 0,
1880                        sizeof(fs->super->s_volume_name));
1881                 strncpy(fs->super->s_volume_name, volume_label,
1882                         sizeof(fs->super->s_volume_name));
1883         }
1884
1885         /*
1886          * Set the last mount directory
1887          */
1888         if (mount_dir) {
1889                 memset(fs->super->s_last_mounted, 0,
1890                        sizeof(fs->super->s_last_mounted));
1891                 strncpy(fs->super->s_last_mounted, mount_dir,
1892                         sizeof(fs->super->s_last_mounted));
1893         }
1894
1895         if (!quiet || noaction)
1896                 show_stats(fs);
1897
1898         if (noaction)
1899                 exit(0);
1900
1901         if (fs->super->s_feature_incompat &
1902             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1903                 create_journal_dev(fs);
1904                 exit(ext2fs_close(fs) ? 1 : 0);
1905         }
1906
1907         if (bad_blocks_filename)
1908                 read_bb_file(fs, &bb_list, bad_blocks_filename);
1909         if (cflag)
1910                 test_disk(fs, &bb_list);
1911
1912         handle_bad_blocks(fs, bb_list);
1913         fs->stride = fs_stride = fs->super->s_raid_stride;
1914         retval = ext2fs_allocate_tables(fs);
1915         if (retval) {
1916                 com_err(program_name, retval,
1917                         _("while trying to allocate filesystem tables"));
1918                 exit(1);
1919         }
1920         if (super_only) {
1921                 fs->super->s_state |= EXT2_ERROR_FS;
1922                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
1923         } else {
1924                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
1925                 unsigned int rsv = 65536 / fs->blocksize;
1926                 unsigned long blocks = fs->super->s_blocks_count;
1927                 unsigned long start;
1928                 blk_t ret_blk;
1929
1930 #ifdef ZAP_BOOTBLOCK
1931                 zap_sector(fs, 0, 2);
1932 #endif
1933
1934                 /*
1935                  * Wipe out any old MD RAID (or other) metadata at the end
1936                  * of the device.  This will also verify that the device is
1937                  * as large as we think.  Be careful with very small devices.
1938                  */
1939                 start = (blocks & ~(rsv - 1));
1940                 if (start > rsv)
1941                         start -= rsv;
1942                 if (start > 0)
1943                         retval = ext2fs_zero_blocks(fs, start, blocks - start,
1944                                                     &ret_blk, NULL);
1945
1946                 if (retval) {
1947                         com_err(program_name, retval,
1948                                 _("while zeroing block %u at end of filesystem"),
1949                                 ret_blk);
1950                 }
1951                 write_inode_tables(fs, lazy_itable_init);
1952                 create_root_dir(fs);
1953                 create_lost_and_found(fs);
1954                 reserve_inodes(fs);
1955                 create_bad_block_inode(fs, bb_list);
1956                 if (fs->super->s_feature_compat &
1957                     EXT2_FEATURE_COMPAT_RESIZE_INODE) {
1958                         retval = ext2fs_create_resize_inode(fs);
1959                         if (retval) {
1960                                 com_err("ext2fs_create_resize_inode", retval,
1961                                 _("while reserving blocks for online resize"));
1962                                 exit(1);
1963                         }
1964                 }
1965         }
1966
1967         if (journal_device) {
1968                 ext2_filsys     jfs;
1969
1970                 if (!force)
1971                         check_plausibility(journal_device);
1972                 check_mount(journal_device, force, _("journal"));
1973
1974                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
1975                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1976                                      fs->blocksize, unix_io_manager, &jfs);
1977                 if (retval) {
1978                         com_err(program_name, retval,
1979                                 _("while trying to open journal device %s\n"),
1980                                 journal_device);
1981                         exit(1);
1982                 }
1983                 if (!quiet) {
1984                         printf(_("Adding journal to device %s: "),
1985                                journal_device);
1986                         fflush(stdout);
1987                 }
1988                 retval = ext2fs_add_journal_device(fs, jfs);
1989                 if(retval) {
1990                         com_err (program_name, retval,
1991                                  _("\n\twhile trying to add journal to device %s"),
1992                                  journal_device);
1993                         exit(1);
1994                 }
1995                 if (!quiet)
1996                         printf(_("done\n"));
1997                 ext2fs_close(jfs);
1998                 free(journal_device);
1999         } else if ((journal_size) ||
2000                    (fs_param.s_feature_compat &
2001                     EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
2002                 journal_blocks = figure_journal_size(journal_size, fs);
2003
2004                 if (!journal_blocks) {
2005                         fs->super->s_feature_compat &=
2006                                 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
2007                         goto no_journal;
2008                 }
2009                 if (!quiet) {
2010                         printf(_("Creating journal (%u blocks): "),
2011                                journal_blocks);
2012                         fflush(stdout);
2013                 }
2014                 retval = ext2fs_add_journal_inode(fs, journal_blocks,
2015                                                   journal_flags);
2016                 if (retval) {
2017                         com_err (program_name, retval,
2018                                  _("\n\twhile trying to create journal"));
2019                         exit(1);
2020                 }
2021                 if (!quiet)
2022                         printf(_("done\n"));
2023         }
2024 no_journal:
2025
2026         if (!quiet)
2027                 printf(_("Writing superblocks and "
2028                        "filesystem accounting information: "));
2029         retval = ext2fs_flush(fs);
2030         if (retval) {
2031                 fprintf(stderr,
2032                         _("\nWarning, had trouble writing out superblocks."));
2033         }
2034         if (!quiet) {
2035                 printf(_("done\n\n"));
2036                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
2037                         print_check_message(fs);
2038         }
2039         val = ext2fs_close(fs);
2040         remove_error_table(&et_ext2_error_table);
2041         remove_error_table(&et_prof_error_table);
2042         profile_release(profile);
2043         return (retval || val) ? 1 : 0;
2044 }