misc/mke2fs.c

   1 /*
   2  * mke2fs.c - Make a ext2fs filesystem.
   3  *
   4  * Copyright (C) 1994, 1995, 1996, 1997 Theodore Ts'o.
   5  *
   6  * %Begin-Header%
   7  * This file may be redistributed under the terms of the GNU Public
   8  * License.
   9  * %End-Header%
  10  */
  11
  12 /* Usage: mke2fs [options] device
  13  *
  14  * The device may be a block device or a image of one, but this isn't
  15  * enforced (but it's not much fun on a character device :-).
  16  */
  17
  18 #include <stdio.h>
  19 #include <string.h>
  20 #include <fcntl.h>
  21 #include <ctype.h>
  22 #include <time.h>
  23 #ifdef __linux__
  24 #include <sys/utsname.h>
  25 #endif
  26 #ifdef HAVE_GETOPT_H
  27 #include <getopt.h>
  28 #else
  29 extern char *optarg;
  30 extern int optind;
  31 #endif
  32 #ifdef HAVE_UNISTD_H
  33 #include <unistd.h>
  34 #endif
  35 #ifdef HAVE_STDLIB_H
  36 #include <stdlib.h>
  37 #endif
  38 #ifdef HAVE_ERRNO_H
  39 #include <errno.h>
  40 #endif
  41 #ifdef HAVE_MNTENT_H
  42 #include <mntent.h>
  43 #endif
  44 #include <sys/ioctl.h>
  45 #include <sys/types.h>
  46
  47 #include "ext2fs/ext2_fs.h"
  48 #include "et/com_err.h"
  49 #include "uuid/uuid.h"
  50 #include "e2p/e2p.h"
  51 #include "ext2fs/ext2fs.h"
  52 #include "util.h"
  53 #include "../version.h"
  54 #include "nls-enable.h"
  55
  56 #define STRIDE_LENGTH 8
  57
  58 #ifndef __sparc__
  59 #define ZAP_BOOTBLOCK
  60 #endif
  61
  62 extern int isatty(int);
  63 extern FILE *fpopen(const char *cmd, const char *mode);
  64
  65 const char * program_name = "mke2fs";
  66 const char * device_name /* = NULL */;
  67
  68 /* Command line options */
  69 int     cflag;
  70 int     verbose;
  71 int     quiet;
  72 int     super_only;
  73 int     force;
  74 int     noaction;
  75 int     journal_size;
  76 int     journal_flags;
  77 char    *bad_blocks_filename;
  78 __u32   fs_stride;
  79
  80 struct ext2_super_block param;
  81 char *creator_os;
  82 char *volume_label;
  83 char *mount_dir;
  84 char *journal_device;
  85 int sync_kludge;        /* Set using the MKE2FS_SYNC env. option */
  86
  87 int sys_page_size = 4096;
  88
  89 static void usage(void)
  90 {
  91         fprintf(stderr, _("Usage: %s [-c|-t|-l filename] [-b block-size] "
  92         "[-f fragment-size]\n\t[-i bytes-per-inode] [-j] [-J journal-options]"
  93         " [-N number-of-inodes]\n\t[-m reserved-blocks-percentage] "
  94         "[-o creator-os] [-g blocks-per-group]\n\t[-L volume-label] "
  95         "[-M last-mounted-directory] [-O feature[,...]]\n\t"
  96         "[-r fs-revision] [-R raid_opts] [-qvSV] device [blocks-count]\n"),
  97                 program_name);
  98         exit(1);
  99 }
 100
 101 static int int_log2(int arg)
 102 {
 103         int     l = 0;
 104
 105         arg >>= 1;
 106         while (arg) {
 107                 l++;
 108                 arg >>= 1;
 109         }
 110         return l;
 111 }
 112
 113 static int int_log10(unsigned int arg)
 114 {
 115         int     l;
 116
 117         for (l=0; arg ; l++)
 118                 arg = arg / 10;
 119         return l;
 120 }
 121
 122 /*
 123  * This function sets the default parameters for a filesystem
 124  *
 125  * The type is specified by the user.  The size is the maximum size
 126  * (in megabytes) for which a set of parameters applies, with a size
 127  * of zero meaning that it is the default parameter for the type.
 128  * Note that order is important in the table below.
 129  */
 130 #define DEF_MAX_BLOCKSIZE -1
 131 static char default_str[] = "default";
 132 struct mke2fs_defaults {
 133         const char      *type;
 134         int             size;
 135         int             blocksize;
 136         int             inode_ratio;
 137 } settings[] = {
 138         { default_str, 0, 4096, 8192 },
 139         { default_str, 512, 1024, 4096 },
 140         { default_str, 3, 1024, 8192 },
 141         { "journal", 0, 4096, 8192 },
 142         { "news", 0, 4096, 4096 },
 143         { "largefile", 0, DEF_MAX_BLOCKSIZE, 1024 * 1024 },
 144         { "largefile4", 0, DEF_MAX_BLOCKSIZE, 4096 * 1024 },
 145         { 0, 0, 0, 0},
 146 };
 147
 148 static void set_fs_defaults(const char *fs_type,
 149                             struct ext2_super_block *super,
 150                             int blocksize, int sector_size,
 151                             int *inode_ratio)
 152 {
 153         int     megs;
 154         int     ratio = 0;
 155         struct mke2fs_defaults *p;
 156         int     use_bsize = 1024;
 157
 158         megs = super->s_blocks_count * (EXT2_BLOCK_SIZE(super) / 1024) / 1024;
 159         if (inode_ratio)
 160                 ratio = *inode_ratio;
 161         if (!fs_type)
 162                 fs_type = default_str;
 163         for (p = settings; p->type; p++) {
 164                 if ((strcmp(p->type, fs_type) != 0) &&
 165                     (strcmp(p->type, default_str) != 0))
 166                         continue;
 167                 if ((p->size != 0) && (megs > p->size))
 168                         continue;
 169                 if (ratio == 0)
 170                         *inode_ratio = p->inode_ratio < blocksize ?
 171                                 blocksize : p->inode_ratio;
 172                 use_bsize = p->blocksize;
 173         }
 174         if (use_bsize < sector_size)
 175                 use_bsize = sector_size;
 176         if (blocksize <= 0) {
 177                 if (use_bsize == DEF_MAX_BLOCKSIZE)
 178                         use_bsize = sys_page_size;
 179                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
 180                         use_bsize = -blocksize;
 181                 blocksize = use_bsize;
 182                 super->s_blocks_count /= blocksize / 1024;
 183         }
 184         super->s_log_frag_size = super->s_log_block_size =
 185                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
 186 }
 187
 188
 189 /*
 190  * Helper function for read_bb_file and test_disk
 191  */
 192 static void invalid_block(ext2_filsys fs, blk_t blk)
 193 {
 194         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 195         return;
 196 }
 197
 198 /*
 199  * Reads the bad blocks list from a file
 200  */
 201 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 202                          const char *bad_blocks_file)
 203 {
 204         FILE            *f;
 205         errcode_t       retval;
 206
 207         f = fopen(bad_blocks_file, "r");
 208         if (!f) {
 209                 com_err("read_bad_blocks_file", errno,
 210                         _("while trying to open %s"), bad_blocks_file);
 211                 exit(1);
 212         }
 213         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 214         fclose (f);
 215         if (retval) {
 216                 com_err("ext2fs_read_bb_FILE", retval,
 217                         _("while reading in list of bad blocks from file"));
 218                 exit(1);
 219         }
 220 }
 221
 222 /*
 223  * Runs the badblocks program to test the disk
 224  */
 225 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 226 {
 227         FILE            *f;
 228         errcode_t       retval;
 229         char            buf[1024];
 230
 231         sprintf(buf, "badblocks -b %d %s%s%s %d", fs->blocksize,
 232                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 233                 fs->device_name, fs->super->s_blocks_count);
 234         if (verbose)
 235                 printf(_("Running command: %s\n"), buf);
 236         f = popen(buf, "r");
 237         if (!f) {
 238                 com_err("popen", errno,
 239                         _("while trying run '%s'"), buf);
 240                 exit(1);
 241         }
 242         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 243         pclose(f);
 244         if (retval) {
 245                 com_err("ext2fs_read_bb_FILE", retval,
 246                         _("while processing list of bad blocks from program"));
 247                 exit(1);
 248         }
 249 }
 250
 251 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 252 {
 253         int                     i, j;
 254         int                     must_be_good;
 255         blk_t                   blk;
 256         badblocks_iterate       bb_iter;
 257         errcode_t               retval;
 258         blk_t                   group_block;
 259         int                     group;
 260         int                     group_bad;
 261
 262         if (!bb_list)
 263                 return;
 264
 265         /*
 266          * The primary superblock and group descriptors *must* be
 267          * good; if not, abort.
 268          */
 269         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 270         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 271                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 272                         fprintf(stderr, _("Block %d in primary "
 273                                 "superblock/group descriptor area bad.\n"), i);
 274                         fprintf(stderr, _("Blocks %d through %d must be good "
 275                                 "in order to build a filesystem.\n"),
 276                                 fs->super->s_first_data_block, must_be_good);
 277                         fprintf(stderr, _("Aborting....\n"));
 278                         exit(1);
 279                 }
 280         }
 281
 282         /*
 283          * See if any of the bad blocks are showing up in the backup
 284          * superblocks and/or group descriptors.  If so, issue a
 285          * warning and adjust the block counts appropriately.
 286          */
 287         group_block = fs->super->s_first_data_block +
 288                 fs->super->s_blocks_per_group;
 289
 290         for (i = 1; i < fs->group_desc_count; i++) {
 291                 group_bad = 0;
 292                 for (j=0; j < fs->desc_blocks+1; j++) {
 293                         if (ext2fs_badblocks_list_test(bb_list,
 294                                                        group_block + j)) {
 295                                 if (!group_bad)
 296                                         fprintf(stderr,
 297 _("Warning: the backup superblock/group descriptors at block %d contain\n"
 298 "       bad blocks.\n\n"),
 299                                                 group_block);
 300                                 group_bad++;
 301                                 group = ext2fs_group_of_blk(fs, group_block+j);
 302                                 fs->group_desc[group].bg_free_blocks_count++;
 303                                 fs->super->s_free_blocks_count++;
 304                         }
 305                 }
 306                 group_block += fs->super->s_blocks_per_group;
 307         }
 308
 309         /*
 310          * Mark all the bad blocks as used...
 311          */
 312         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 313         if (retval) {
 314                 com_err("ext2fs_badblocks_list_iterate_begin", retval,
 315                         _("while marking bad blocks as used"));
 316                 exit(1);
 317         }
 318         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 319                 ext2fs_mark_block_bitmap(fs->block_map, blk);
 320         ext2fs_badblocks_list_iterate_end(bb_iter);
 321 }
 322
 323 /*
 324  * These functions implement a generalized progress meter.
 325  */
 326 struct progress_struct {
 327         char            format[20];
 328         char            backup[80];
 329         __u32           max;
 330 };
 331
 332 static void progress_init(struct progress_struct *progress,
 333                           const char *label,__u32 max)
 334 {
 335         int     i;
 336
 337         memset(progress, 0, sizeof(struct progress_struct));
 338         if (quiet)
 339                 return;
 340
 341         /*
 342          * Figure out how many digits we need
 343          */
 344         i = int_log10(max);
 345         sprintf(progress->format, "%%%dd/%%%dld", i, i);
 346         memset(progress->backup, '\b', sizeof(progress->backup)-1);
 347         progress->backup[sizeof(progress->backup)-1] = 0;
 348         if ((2*i)+1 < sizeof(progress->backup))
 349                 progress->backup[(2*i)+1] = 0;
 350         progress->max = max;
 351
 352         fputs(label, stdout);
 353         fflush(stdout);
 354 }
 355
 356 static void progress_update(struct progress_struct *progress, __u32 val)
 357 {
 358         if (progress->format[0] == 0)
 359                 return;
 360         printf(progress->format, val, progress->max);
 361         fputs(progress->backup, stdout);
 362 }
 363
 364 static void progress_close(struct progress_struct *progress)
 365 {
 366         if (progress->format[0] == 0)
 367                 return;
 368         fputs(_("done                            \n"), stdout);
 369 }
 370
 371
 372 /*
 373  * Helper function which zeros out _num_ blocks starting at _blk_.  In
 374  * case of an error, the details of the error is returned via _ret_blk_
 375  * and _ret_count_ if they are non-NULL pointers.  Returns 0 on
 376  * success, and an error code on an error.
 377  *
 378  * As a special case, if the first argument is NULL, then it will
 379  * attempt to free the static zeroizing buffer.  (This is to keep
 380  * programs that check for memory leaks happy.)
 381  */
 382 static errcode_t zero_blocks(ext2_filsys fs, blk_t blk, int num,
 383                              struct progress_struct *progress,
 384                              blk_t *ret_blk, int *ret_count)
 385 {
 386         int             j, count, next_update, next_update_incr;
 387         static char     *buf;
 388         errcode_t       retval;
 389
 390         /* If fs is null, clean up the static buffer and return */
 391         if (!fs) {
 392                 if (buf) {
 393                         free(buf);
 394                         buf = 0;
 395                 }
 396                 return 0;
 397         }
 398         /* Allocate the zeroizing buffer if necessary */
 399         if (!buf) {
 400                 buf = malloc(fs->blocksize * STRIDE_LENGTH);
 401                 if (!buf) {
 402                         com_err("malloc", ENOMEM,
 403                                 _("while allocating zeroizing buffer"));
 404                         exit(1);
 405                 }
 406                 memset(buf, 0, fs->blocksize * STRIDE_LENGTH);
 407         }
 408         /* OK, do the write loop */
 409         next_update = 0;
 410         next_update_incr = num / 100;
 411         if (next_update_incr < 1)
 412                 next_update_incr = 1;
 413         for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) {
 414                 count = num - j;
 415                 if (count > STRIDE_LENGTH)
 416                         count = STRIDE_LENGTH;
 417                 retval = io_channel_write_blk(fs->io, blk, count, buf);
 418                 if (retval) {
 419                         if (ret_count)
 420                                 *ret_count = count;
 421                         if (ret_blk)
 422                                 *ret_blk = blk;
 423                         return retval;
 424                 }
 425                 if (progress && j > next_update) {
 426                         next_update += num / 100;
 427                         progress_update(progress, blk);
 428                 }
 429         }
 430         return 0;
 431 }
 432
 433 static void write_inode_tables(ext2_filsys fs)
 434 {
 435         errcode_t       retval;
 436         blk_t           blk;
 437         int             i, num;
 438         struct progress_struct progress;
 439
 440         if (quiet)
 441                 memset(&progress, 0, sizeof(progress));
 442         else
 443                 progress_init(&progress, _("Writing inode tables: "),
 444                               fs->group_desc_count);
 445
 446         for (i = 0; i < fs->group_desc_count; i++) {
 447                 progress_update(&progress, i);
 448
 449                 blk = fs->group_desc[i].bg_inode_table;
 450                 num = fs->inode_blocks_per_group;
 451
 452                 retval = zero_blocks(fs, blk, num, 0, &blk, &num);
 453                 if (retval) {
 454                         fprintf(stderr, _("\nCould not write %d blocks "
 455                                 "in inode table starting at %d: %s\n"),
 456                                 num, blk, error_message(retval));
 457                         exit(1);
 458                 }
 459                 if (sync_kludge) {
 460                         if (sync_kludge == 1)
 461                                 sync();
 462                         else if ((i % sync_kludge) == 0)
 463                                 sync();
 464                 }
 465         }
 466         zero_blocks(0, 0, 0, 0, 0, 0);
 467         progress_close(&progress);
 468 }
 469
 470 static void create_root_dir(ext2_filsys fs)
 471 {
 472         errcode_t       retval;
 473         struct ext2_inode       inode;
 474
 475         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 476         if (retval) {
 477                 com_err("ext2fs_mkdir", retval, _("while creating root dir"));
 478                 exit(1);
 479         }
 480         if (geteuid()) {
 481                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 482                 if (retval) {
 483                         com_err("ext2fs_read_inode", retval,
 484                                 _("while reading root inode"));
 485                         exit(1);
 486                 }
 487                 inode.i_uid = getuid();
 488                 if (inode.i_uid)
 489                         inode.i_gid = getgid();
 490                 retval = ext2fs_write_inode(fs, EXT2_ROOT_INO, &inode);
 491                 if (retval) {
 492                         com_err("ext2fs_write_inode", retval,
 493                                 _("while setting root inode ownership"));
 494                         exit(1);
 495                 }
 496         }
 497 }
 498
 499 static void create_lost_and_found(ext2_filsys fs)
 500 {
 501         errcode_t               retval;
 502         ext2_ino_t              ino;
 503         const char              *name = "lost+found";
 504         int                     i;
 505         int                     lpf_size = 0;
 506
 507         fs->umask = 077;
 508         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 509         if (retval) {
 510                 com_err("ext2fs_mkdir", retval,
 511                         _("while creating /lost+found"));
 512                 exit(1);
 513         }
 514
 515         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 516         if (retval) {
 517                 com_err("ext2_lookup", retval,
 518                         _("while looking up /lost+found"));
 519                 exit(1);
 520         }
 521
 522         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 523                 if ((lpf_size += fs->blocksize) >= 16*1024)
 524                         break;
 525                 retval = ext2fs_expand_dir(fs, ino);
 526                 if (retval) {
 527                         com_err("ext2fs_expand_dir", retval,
 528                                 _("while expanding /lost+found"));
 529                         exit(1);
 530                 }
 531         }
 532 }
 533
 534 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 535 {
 536         errcode_t       retval;
 537
 538         ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO);
 539         fs->group_desc[0].bg_free_inodes_count--;
 540         fs->super->s_free_inodes_count--;
 541         retval = ext2fs_update_bb_inode(fs, bb_list);
 542         if (retval) {
 543                 com_err("ext2fs_update_bb_inode", retval,
 544                         _("while setting bad block inode"));
 545                 exit(1);
 546         }
 547
 548 }
 549
 550 static void reserve_inodes(ext2_filsys fs)
 551 {
 552         ext2_ino_t      i;
 553         int             group;
 554
 555         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) {
 556                 ext2fs_mark_inode_bitmap(fs->inode_map, i);
 557                 group = ext2fs_group_of_ino(fs, i);
 558                 fs->group_desc[group].bg_free_inodes_count--;
 559                 fs->super->s_free_inodes_count--;
 560         }
 561         ext2fs_mark_ib_dirty(fs);
 562 }
 563
 564 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 565 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 566 #define BSD_LABEL_OFFSET        64
 567
 568 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 569 {
 570         char *buf;
 571         int retval;
 572         unsigned int *magic;
 573
 574         buf = malloc(512*nsect);
 575         if (!buf) {
 576                 printf(_("Out of memory erasing sectors %d-%d\n"),
 577                        sect, sect + nsect - 1);
 578                 exit(1);
 579         }
 580
 581         if (sect == 0) {
 582                 /* Check for a BSD disklabel, and don't erase it if so */
 583                 retval = io_channel_read_blk(fs->io, 0, -512, buf);
 584                 if (retval)
 585                         fprintf(stderr,
 586                                 _("Warning: could not read block 0: %s\n"),
 587                                 error_message(retval));
 588                 else {
 589                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 590                         if ((*magic == BSD_DISKMAGIC) ||
 591                             (*magic == BSD_MAGICDISK))
 592                                 return;
 593                 }
 594         }
 595
 596         memset(buf, 0, 512*nsect);
 597         io_channel_set_blksize(fs->io, 512);
 598         retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf);
 599         io_channel_set_blksize(fs->io, fs->blocksize);
 600         free(buf);
 601         if (retval)
 602                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 603                         sect, error_message(retval));
 604 }
 605
 606 static void create_journal_dev(ext2_filsys fs)
 607 {
 608         struct progress_struct progress;
 609         errcode_t               retval;
 610         char                    *buf;
 611         blk_t                   blk;
 612         int                     count;
 613
 614         retval = ext2fs_create_journal_superblock(fs,
 615                                   fs->super->s_blocks_count, 0, &buf);
 616         if (retval) {
 617                 com_err("create_journal_dev", retval,
 618                         _("while initializing journal superblock"));
 619                 exit(1);
 620         }
 621         if (quiet)
 622                 memset(&progress, 0, sizeof(progress));
 623         else
 624                 progress_init(&progress, _("Zeroing journal device: "),
 625                               fs->super->s_blocks_count);
 626
 627         retval = zero_blocks(fs, 0, fs->super->s_blocks_count,
 628                              &progress, &blk, &count);
 629         if (retval) {
 630                 com_err("create_journal_dev", retval,
 631                         _("while zeroing journal device (block %u, count %d)"),
 632                         blk, count);
 633                 exit(1);
 634         }
 635         zero_blocks(0, 0, 0, 0, 0, 0);
 636
 637         retval = io_channel_write_blk(fs->io,
 638                                       fs->super->s_first_data_block+1,
 639                                       1, buf);
 640         if (retval) {
 641                 com_err("create_journal_dev", retval,
 642                         _("while writing journal superblock"));
 643                 exit(1);
 644         }
 645         progress_close(&progress);
 646 }
 647
 648 static void show_stats(ext2_filsys fs)
 649 {
 650         struct ext2_super_block *s = fs->super;
 651         char                    buf[80];
 652         blk_t                   group_block;
 653         int                     i, need, col_left;
 654
 655         if (param.s_blocks_count != s->s_blocks_count)
 656                 fprintf(stderr, _("warning: %d blocks unused.\n\n"),
 657                        param.s_blocks_count - s->s_blocks_count);
 658
 659         memset(buf, 0, sizeof(buf));
 660         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 661         printf(_("Filesystem label=%s\n"), buf);
 662         printf(_("OS type: "));
 663         switch (fs->super->s_creator_os) {
 664             case EXT2_OS_LINUX: printf ("Linux"); break;
 665             case EXT2_OS_HURD:  printf ("GNU/Hurd");   break;
 666             case EXT2_OS_MASIX: printf ("Masix"); break;
 667             default:            printf (_("(unknown os)"));
 668         }
 669         printf("\n");
 670         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 671                 s->s_log_block_size);
 672         printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize,
 673                 s->s_log_frag_size);
 674         printf(_("%u inodes, %u blocks\n"), s->s_inodes_count,
 675                s->s_blocks_count);
 676         printf(_("%u blocks (%2.2f%%) reserved for the super user\n"),
 677                 s->s_r_blocks_count,
 678                100.0 * s->s_r_blocks_count / s->s_blocks_count);
 679         printf(_("First data block=%u\n"), s->s_first_data_block);
 680         if (fs->group_desc_count > 1)
 681                 printf(_("%u block groups\n"), fs->group_desc_count);
 682         else
 683                 printf(_("%u block group\n"), fs->group_desc_count);
 684         printf(_("%u blocks per group, %u fragments per group\n"),
 685                s->s_blocks_per_group, s->s_frags_per_group);
 686         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 687
 688         if (fs->group_desc_count == 1) {
 689                 printf("\n");
 690                 return;
 691         }
 692
 693         printf(_("Superblock backups stored on blocks: "));
 694         group_block = s->s_first_data_block;
 695         col_left = 0;
 696         for (i = 1; i < fs->group_desc_count; i++) {
 697                 group_block += s->s_blocks_per_group;
 698                 if (!ext2fs_bg_has_super(fs, i))
 699                         continue;
 700                 if (i != 1)
 701                         printf(", ");
 702                 need = int_log10(group_block) + 2;
 703                 if (need > col_left) {
 704                         printf("\n\t");
 705                         col_left = 72;
 706                 }
 707                 col_left -= need;
 708                 printf("%u", group_block);
 709         }
 710         printf("\n\n");
 711 }
 712
 713 /*
 714  * Set the S_CREATOR_OS field.  Return true if OS is known,
 715  * otherwise, 0.
 716  */
 717 static int set_os(struct ext2_super_block *sb, char *os)
 718 {
 719         if (isdigit (*os))
 720                 sb->s_creator_os = atoi (os);
 721         else if (strcasecmp(os, "linux") == 0)
 722                 sb->s_creator_os = EXT2_OS_LINUX;
 723         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 724                 sb->s_creator_os = EXT2_OS_HURD;
 725         else if (strcasecmp(os, "masix") == 0)
 726                 sb->s_creator_os = EXT2_OS_MASIX;
 727         else
 728                 return 0;
 729         return 1;
 730 }
 731
 732 #define PATH_SET "PATH=/sbin"
 733
 734 static void parse_raid_opts(const char *opts)
 735 {
 736         char    *buf, *token, *next, *p, *arg;
 737         int     len;
 738         int     raid_usage = 0;
 739
 740         len = strlen(opts);
 741         buf = malloc(len+1);
 742         if (!buf) {
 743                 fprintf(stderr, _("Couldn't allocate memory to parse "
 744                         "raid options!\n"));
 745                 exit(1);
 746         }
 747         strcpy(buf, opts);
 748         for (token = buf; token && *token; token = next) {
 749                 p = strchr(token, ',');
 750                 next = 0;
 751                 if (p) {
 752                         *p = 0;
 753                         next = p+1;
 754                 }
 755                 arg = strchr(token, '=');
 756                 if (arg) {
 757                         *arg = 0;
 758                         arg++;
 759                 }
 760                 if (strcmp(token, "stride") == 0) {
 761                         if (!arg) {
 762                                 raid_usage++;
 763                                 continue;
 764                         }
 765                         fs_stride = strtoul(arg, &p, 0);
 766                         if (*p || (fs_stride == 0)) {
 767                                 fprintf(stderr,
 768                                         _("Invalid stride parameter.\n"));
 769                                 raid_usage++;
 770                                 continue;
 771                         }
 772                 } else
 773                         raid_usage++;
 774         }
 775         if (raid_usage) {
 776                 fprintf(stderr, _("\nBad raid options specified.\n\n"
 777                         "Raid options are separated by commas, "
 778                         "and may take an argument which\n"
 779                         "\tis set off by an equals ('=') sign.\n\n"
 780                         "Valid raid options are:\n"
 781                         "\tstride=<stride length in blocks>\n\n"));
 782                 exit(1);
 783         }
 784 }
 785
 786 static __u32 ok_features[3] = {
 787         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
 788                 EXT2_FEATURE_COMPAT_DIR_INDEX,  /* Compat */
 789         EXT2_FEATURE_INCOMPAT_FILETYPE|         /* Incompat */
 790                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
 791                 EXT2_FEATURE_INCOMPAT_META_BG,
 792         EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER     /* R/O compat */
 793 };
 794
 795
 796 static void PRS(int argc, char *argv[])
 797 {
 798         int             b, c;
 799         int             size;
 800         char *          tmp;
 801         int             blocksize = 0;
 802         int             inode_ratio = 0;
 803         int             inode_size = 0;
 804         int             reserved_ratio = 5;
 805         int             sector_size = 0;
 806         ext2_ino_t      num_inodes = 0;
 807         errcode_t       retval;
 808         char *          oldpath = getenv("PATH");
 809         char *          raid_opts = 0;
 810         const char *    fs_type = 0;
 811         int             default_features = 1;
 812         blk_t           dev_size;
 813 #ifdef __linux__
 814         struct          utsname ut;
 815 #endif
 816         long            sysval;
 817
 818         /* Update our PATH to include /sbin  */
 819         if (oldpath) {
 820                 char *newpath;
 821
 822                 newpath = malloc(sizeof (PATH_SET) + 1 + strlen (oldpath));
 823                 strcpy (newpath, PATH_SET);
 824                 strcat (newpath, ":");
 825                 strcat (newpath, oldpath);
 826                 putenv (newpath);
 827         } else
 828                 putenv (PATH_SET);
 829
 830         tmp = getenv("MKE2FS_SYNC");
 831         if (tmp)
 832                 sync_kludge = atoi(tmp);
 833
 834         /* Determine the system page size if possible */
 835 #ifdef HAVE_SYSCONF
 836 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
 837 #define _SC_PAGESIZE _SC_PAGE_SIZE
 838 #endif
 839 #ifdef _SC_PAGESIZE
 840         sysval = sysconf(_SC_PAGESIZE);
 841         if (sysval > 0)
 842                 sys_page_size = sysval;
 843 #endif /* _SC_PAGESIZE */
 844 #endif /* HAVE_SYSCONF */
 845
 846         setbuf(stdout, NULL);
 847         setbuf(stderr, NULL);
 848         initialize_ext2_error_table();
 849         memset(&param, 0, sizeof(struct ext2_super_block));
 850         param.s_rev_level = 1;  /* Create revision 1 filesystems now */
 851         param.s_feature_incompat |= EXT2_FEATURE_INCOMPAT_FILETYPE;
 852         param.s_feature_ro_compat |= EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
 853 #if 0
 854         param.s_feature_compat |= EXT2_FEATURE_COMPAT_DIR_INDEX;
 855 #endif
 856
 857 #ifdef __linux__
 858         if (uname(&ut)) {
 859                 perror("uname");
 860                 exit(1);
 861         }
 862         if ((ut.release[0] == '1') ||
 863             (ut.release[0] == '2' && ut.release[1] == '.' &&
 864              ut.release[2] < '2' && ut.release[3] == '.')) {
 865                 param.s_rev_level = 0;
 866                 param.s_feature_incompat = 0;
 867                 param.s_feature_compat = 0;
 868                 param.s_feature_ro_compat = 0;
 869         }
 870 #endif
 871
 872         if (argc && *argv) {
 873                 program_name = get_progname(*argv);
 874
 875                 /* If called as mkfs.ext3, create a journal inode */
 876                 if (!strcmp(program_name, "mkfs.ext3"))
 877                         journal_size = -1;
 878         }
 879
 880         while ((c = getopt (argc, argv,
 881                     "b:cf:g:i:jl:m:no:qr:R:s:tvI:J:ST:FL:M:N:O:V")) != EOF)
 882                 switch (c) {
 883                 case 'b':
 884                         blocksize = strtol(optarg, &tmp, 0);
 885                         b = (blocksize > 0) ? blocksize : -blocksize;
 886                         if (b < EXT2_MIN_BLOCK_SIZE ||
 887                             b > EXT2_MAX_BLOCK_SIZE || *tmp) {
 888                                 com_err(program_name, 0,
 889                                         _("bad block size - %s"), optarg);
 890                                 exit(1);
 891                         }
 892                         if (blocksize > 4096)
 893                                 fprintf(stderr, _("Warning: blocksize %d not "
 894                                                   "usable on most systems.\n"),
 895                                         blocksize);
 896                         if (blocksize > 0)
 897                                 param.s_log_block_size =
 898                                         int_log2(blocksize >>
 899                                                  EXT2_MIN_BLOCK_LOG_SIZE);
 900                         break;
 901                 case 'c':       /* Check for bad blocks */
 902                 case 't':       /* deprecated */
 903                         cflag++;
 904                         break;
 905                 case 'f':
 906                         size = strtoul(optarg, &tmp, 0);
 907                         if (size < EXT2_MIN_BLOCK_SIZE ||
 908                             size > EXT2_MAX_BLOCK_SIZE || *tmp) {
 909                                 com_err(program_name, 0,
 910                                         _("bad fragment size - %s"),
 911                                         optarg);
 912                                 exit(1);
 913                         }
 914                         param.s_log_frag_size =
 915                                 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE);
 916                         fprintf(stderr, _("Warning: fragments not supported.  "
 917                                "Ignoring -f option\n"));
 918                         break;
 919                 case 'g':
 920                         param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
 921                         if (*tmp) {
 922                                 com_err(program_name, 0,
 923                                         _("Illegal number for blocks per group"));
 924                                 exit(1);
 925                         }
 926                         if ((param.s_blocks_per_group % 8) != 0) {
 927                                 com_err(program_name, 0,
 928                                 _("blocks per group must be multiple of 8"));
 929                                 exit(1);
 930                         }
 931                         break;
 932                 case 'i':
 933                         inode_ratio = strtoul(optarg, &tmp, 0);
 934                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
 935                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
 936                             *tmp) {
 937                                 com_err(program_name, 0,
 938                                         _("bad inode ratio %s (min %d/max %d"),
 939                                         optarg, EXT2_MIN_BLOCK_SIZE,
 940                                         EXT2_MAX_BLOCK_SIZE);
 941                                 exit(1);
 942                         }
 943                         break;
 944                 case 'J':
 945                         parse_journal_opts(optarg);
 946                         break;
 947                 case 'j':
 948                         param.s_feature_compat |=
 949                                 EXT3_FEATURE_COMPAT_HAS_JOURNAL;
 950                         if (!journal_size)
 951                                 journal_size = -1;
 952                         break;
 953                 case 'l':
 954                         bad_blocks_filename = malloc(strlen(optarg)+1);
 955                         if (!bad_blocks_filename) {
 956                                 com_err(program_name, ENOMEM,
 957                                         _("in malloc for bad_blocks_filename"));
 958                                 exit(1);
 959                         }
 960                         strcpy(bad_blocks_filename, optarg);
 961                         break;
 962                 case 'm':
 963                         reserved_ratio = strtoul(optarg, &tmp, 0);
 964                         if (reserved_ratio > 50 || *tmp) {
 965                                 com_err(program_name, 0,
 966                                         _("bad reserved blocks percent - %s"),
 967                                         optarg);
 968                                 exit(1);
 969                         }
 970                         break;
 971                 case 'n':
 972                         noaction++;
 973                         break;
 974                 case 'o':
 975                         creator_os = optarg;
 976                         break;
 977                 case 'r':
 978                         param.s_rev_level = atoi(optarg);
 979                         if (param.s_rev_level == EXT2_GOOD_OLD_REV) {
 980                                 param.s_feature_incompat = 0;
 981                                 param.s_feature_compat = 0;
 982                                 param.s_feature_ro_compat = 0;
 983                         }
 984                         break;
 985                 case 's':       /* deprecated */
 986                         if (atoi(optarg))
 987                                 param.s_feature_ro_compat |=
 988                                         EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
 989                         else
 990                                 param.s_feature_ro_compat &=
 991                                         ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
 992                         break;
 993 #ifdef EXT2_DYNAMIC_REV
 994                 case 'I':
 995                         inode_size = strtoul(optarg, &tmp, 0);
 996                         if (*tmp) {
 997                                 com_err(program_name, 0,
 998                                         _("bad inode size - %s"), optarg);
 999                                 exit(1);
1000                         }
1001                         break;
1002 #endif
1003                 case 'N':
1004                         num_inodes = atoi(optarg);
1005                         break;
1006                 case 'v':
1007                         verbose = 1;
1008                         break;
1009                 case 'q':
1010                         quiet = 1;
1011                         break;
1012                 case 'F':
1013                         force = 1;
1014                         break;
1015                 case 'L':
1016                         volume_label = optarg;
1017                         break;
1018                 case 'M':
1019                         mount_dir = optarg;
1020                         break;
1021                 case 'O':
1022                         if (!strcmp(optarg, "none") || default_features) {
1023                                 param.s_feature_compat = 0;
1024                                 param.s_feature_incompat = 0;
1025                                 param.s_feature_ro_compat = 0;
1026                                 default_features = 0;
1027                         }
1028                         if (!strcmp(optarg, "none"))
1029                                 break;
1030                         if (e2p_edit_feature(optarg,
1031                                             &param.s_feature_compat,
1032                                             ok_features)) {
1033                                 fprintf(stderr,
1034                                         _("Invalid filesystem option set: %s\n"), optarg);
1035                                 exit(1);
1036                         }
1037                         break;
1038                 case 'R':
1039                         raid_opts = optarg;
1040                         break;
1041                 case 'S':
1042                         super_only = 1;
1043                         break;
1044                 case 'T':
1045                         fs_type = optarg;
1046                         break;
1047                 case 'V':
1048                         /* Print version number and exit */
1049                         fprintf(stderr, _("\tUsing %s\n"),
1050                                 error_message(EXT2_ET_BASE));
1051                         exit(0);
1052                 default:
1053                         usage();
1054                 }
1055         if (optind == argc)
1056                 usage();
1057         device_name = argv[optind];
1058         optind++;
1059         if (optind < argc) {
1060                 unsigned long tmp2  = strtoul(argv[optind++], &tmp, 0);
1061
1062                 if ((*tmp) || (tmp2 > 0xfffffffful)) {
1063                         com_err(program_name, 0, _("bad blocks count - %s"),
1064                                 argv[optind - 1]);
1065                         exit(1);
1066                 }
1067                 param.s_blocks_count = tmp2;
1068         }
1069         if (optind < argc)
1070                 usage();
1071
1072         if (!quiet)
1073                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1074                          E2FSPROGS_DATE);
1075
1076         if (raid_opts)
1077                 parse_raid_opts(raid_opts);
1078
1079         /*
1080          * If there's no blocksize specified and there is a journal
1081          * device, use it to figure out the blocksize
1082          */
1083         if (blocksize <= 0 && journal_device) {
1084                 ext2_filsys     jfs;
1085
1086                 retval = ext2fs_open(journal_device,
1087                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1088                                      0, unix_io_manager, &jfs);
1089                 if (retval) {
1090                         com_err(program_name, retval,
1091                                 _("while trying to open journal device %s\n"),
1092                                 journal_device);
1093                         exit(1);
1094                 }
1095                 if ((blocksize < 0) && (jfs->blocksize < -blocksize)) {
1096                         com_err(program_name, 0,
1097                                 _("Journal dev blocksize (%d) smaller than "
1098                                   "minimum blocksize %d\n"), jfs->blocksize,
1099                                 -blocksize);
1100                         exit(1);
1101                 }
1102                 blocksize = jfs->blocksize;
1103                 param.s_log_block_size =
1104                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1105                 ext2fs_close(jfs);
1106         }
1107
1108         if (blocksize > sys_page_size) {
1109                 if (!force) {
1110                         com_err(program_name, 0,
1111                                 _("%d-byte blocks too big for system (max %d)"),
1112                                 blocksize, sys_page_size);
1113                         proceed_question();
1114                 }
1115                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
1116                                   "(max %d), forced to continue\n"),
1117                         blocksize, sys_page_size);
1118         }
1119
1120         if (param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1121                 if (!fs_type)
1122                         fs_type = "journal";
1123                 reserved_ratio = 0;
1124                 param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
1125                 param.s_feature_compat = 0;
1126                 param.s_feature_ro_compat = 0;
1127         }
1128         if (param.s_rev_level == EXT2_GOOD_OLD_REV &&
1129             (param.s_feature_compat || param.s_feature_ro_compat ||
1130              param.s_feature_incompat))
1131                 param.s_rev_level = 1;  /* Create a revision 1 filesystem */
1132
1133         if (!force)
1134                 check_plausibility(device_name);
1135         check_mount(device_name, force, _("filesystem"));
1136
1137         param.s_log_frag_size = param.s_log_block_size;
1138
1139         if (noaction && param.s_blocks_count) {
1140                 dev_size = param.s_blocks_count;
1141                 retval = 0;
1142         } else
1143                 retval = ext2fs_get_device_size(device_name,
1144                                                 EXT2_BLOCK_SIZE(&param),
1145                                                 &dev_size);
1146         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1147                 com_err(program_name, retval,
1148                         _("while trying to determine filesystem size"));
1149                 exit(1);
1150         }
1151         if (!param.s_blocks_count) {
1152                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1153                         com_err(program_name, 0,
1154                                 _("Couldn't determine device size; you "
1155                                 "must specify\nthe size of the "
1156                                 "filesystem\n"));
1157                         exit(1);
1158                 } else {
1159                         if (dev_size == 0) {
1160                                 com_err(program_name, 0,
1161                                 _("Device size reported to be zero.  "
1162                                   "Invalid partition specified, or\n\t"
1163                                   "partition table wasn't reread "
1164                                   "after running fdisk, due to\n\t"
1165                                   "a modified partition being busy "
1166                                   "and in use.  You may need to reboot\n\t"
1167                                   "to re-read your partition table.\n"
1168                                   ));
1169                                 exit(1);
1170                         }
1171                         param.s_blocks_count = dev_size;
1172                 }
1173
1174         } else if (!force && (param.s_blocks_count > dev_size)) {
1175                 com_err(program_name, 0,
1176                         _("Filesystem larger than apparent device size."));
1177                 proceed_question();
1178         }
1179
1180         /*
1181          * If the user asked for HAS_JOURNAL, then make sure a journal
1182          * gets created.
1183          */
1184         if ((param.s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
1185             !journal_size)
1186                 journal_size = -1;
1187
1188         /* Set first meta blockgroup via an environment variable */
1189         /* (this is mostly for debugging purposes) */
1190         if ((param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
1191             ((tmp = getenv("MKE2FS_FIRST_META_BG"))))
1192                 param.s_first_meta_bg = atoi(tmp);
1193
1194         /* Get the hardware sector size, if available */
1195         retval = ext2fs_get_device_sectsize(device_name, &sector_size);
1196         if (retval) {
1197                 com_err(program_name, retval,
1198                         _("while trying to determine hardware sector size"));
1199                 exit(1);
1200         }
1201
1202         set_fs_defaults(fs_type, &param, blocksize, sector_size, &inode_ratio);
1203         blocksize = EXT2_BLOCK_SIZE(&param);
1204
1205         if (param.s_blocks_per_group) {
1206                 if (param.s_blocks_per_group < 256 ||
1207                     param.s_blocks_per_group > 8 * blocksize) {
1208                         com_err(program_name, 0,
1209                                 _("blocks per group count out of range"));
1210                         exit(1);
1211                 }
1212         }
1213
1214         if (inode_size) {
1215                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
1216                     inode_size > EXT2_BLOCK_SIZE(&param) ||
1217                     inode_size & (inode_size - 1)) {
1218                         com_err(program_name, 0,
1219                                 _("bad inode size %d (min %d/max %d)"),
1220                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
1221                                 blocksize);
1222                         exit(1);
1223                 }
1224                 if (inode_size != EXT2_GOOD_OLD_INODE_SIZE)
1225                         fprintf(stderr, _("Warning: %d-byte inodes not usable "
1226                                 "on most systems\n"),
1227                                 inode_size);
1228                 param.s_inode_size = inode_size;
1229         }
1230
1231         /*
1232          * Calculate number of inodes based on the inode ratio
1233          */
1234         param.s_inodes_count = num_inodes ? num_inodes :
1235                 ((__u64) param.s_blocks_count * blocksize)
1236                         / inode_ratio;
1237
1238         /*
1239          * Calculate number of blocks to reserve
1240          */
1241         param.s_r_blocks_count = (param.s_blocks_count * reserved_ratio) / 100;
1242
1243 }
1244
1245 int main (int argc, char *argv[])
1246 {
1247         errcode_t       retval = 0;
1248         ext2_filsys     fs;
1249         badblocks_list  bb_list = 0;
1250         int             journal_blocks;
1251         int             i, val;
1252
1253 #ifdef ENABLE_NLS
1254         setlocale(LC_MESSAGES, "");
1255         setlocale(LC_CTYPE, "");
1256         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
1257         textdomain(NLS_CAT_NAME);
1258 #endif
1259         PRS(argc, argv);
1260
1261         /*
1262          * Initialize the superblock....
1263          */
1264         retval = ext2fs_initialize(device_name, 0, &param,
1265                                    unix_io_manager, &fs);
1266         if (retval) {
1267                 com_err(device_name, retval, _("while setting up superblock"));
1268                 exit(1);
1269         }
1270
1271         /*
1272          * Wipe out the old on-disk superblock
1273          */
1274         if (!noaction)
1275                 zap_sector(fs, 2, 6);
1276
1277         /*
1278          * Generate a UUID for it...
1279          */
1280         uuid_generate(fs->super->s_uuid);
1281
1282         /*
1283          * Initialize the directory index variables
1284          */
1285         fs->super->s_def_hash_version = EXT2_HASH_TEA;
1286         uuid_generate((unsigned char *) fs->super->s_hash_seed);
1287
1288         /*
1289          * Add "jitter" to the superblock's check interval so that we
1290          * don't check all the filesystems at the same time.  We use a
1291          * kludgy hack of using the UUID to derive a random jitter value.
1292          */
1293         for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
1294                 val += fs->super->s_uuid[i];
1295         fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
1296
1297         /*
1298          * Override the creator OS, if applicable
1299          */
1300         if (creator_os && !set_os(fs->super, creator_os)) {
1301                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
1302                 exit(1);
1303         }
1304
1305         /*
1306          * For the Hurd, we will turn off filetype since it doesn't
1307          * support it.
1308          */
1309         if (fs->super->s_creator_os == EXT2_OS_HURD)
1310                 fs->super->s_feature_incompat &=
1311                         ~EXT2_FEATURE_INCOMPAT_FILETYPE;
1312
1313         /*
1314          * Set the volume label...
1315          */
1316         if (volume_label) {
1317                 memset(fs->super->s_volume_name, 0,
1318                        sizeof(fs->super->s_volume_name));
1319                 strncpy(fs->super->s_volume_name, volume_label,
1320                         sizeof(fs->super->s_volume_name));
1321         }
1322
1323         /*
1324          * Set the last mount directory
1325          */
1326         if (mount_dir) {
1327                 memset(fs->super->s_last_mounted, 0,
1328                        sizeof(fs->super->s_last_mounted));
1329                 strncpy(fs->super->s_last_mounted, mount_dir,
1330                         sizeof(fs->super->s_last_mounted));
1331         }
1332
1333         if (!quiet || noaction)
1334                 show_stats(fs);
1335
1336         if (noaction)
1337                 exit(0);
1338
1339         if (fs->super->s_feature_incompat &
1340             EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1341                 create_journal_dev(fs);
1342                 exit(ext2fs_close(fs) ? 1 : 0);
1343         }
1344
1345         if (bad_blocks_filename)
1346                 read_bb_file(fs, &bb_list, bad_blocks_filename);
1347         if (cflag)
1348                 test_disk(fs, &bb_list);
1349
1350         handle_bad_blocks(fs, bb_list);
1351         fs->stride = fs_stride;
1352         retval = ext2fs_allocate_tables(fs);
1353         if (retval) {
1354                 com_err(program_name, retval,
1355                         _("while trying to allocate filesystem tables"));
1356                 exit(1);
1357         }
1358         if (super_only) {
1359                 fs->super->s_state |= EXT2_ERROR_FS;
1360                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
1361         } else {
1362                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
1363                 int rsv = 65536 / fs->blocksize;
1364                 unsigned long blocks = fs->super->s_blocks_count;
1365                 unsigned long start;
1366                 blk_t ret_blk;
1367
1368 #ifdef ZAP_BOOTBLOCK
1369                 zap_sector(fs, 0, 2);
1370 #endif
1371
1372                 /*
1373                  * Wipe out any old MD RAID (or other) metadata at the end
1374                  * of the device.  This will also verify that the device is
1375                  * as large as we think.  Be careful with very small devices.
1376                  */
1377                 start = (blocks & ~(rsv - 1));
1378                 if (start > rsv)
1379                         start -= rsv;
1380                 if (start > 0)
1381                         retval = zero_blocks(fs, start, blocks - start,
1382                                              NULL, &ret_blk, NULL);
1383
1384                 if (retval) {
1385                         com_err(program_name, retval,
1386                                 _("while zeroing block %u at end of filesystem"),
1387                                 ret_blk);
1388                 }
1389                 write_inode_tables(fs);
1390                 create_root_dir(fs);
1391                 create_lost_and_found(fs);
1392                 reserve_inodes(fs);
1393                 create_bad_block_inode(fs, bb_list);
1394         }
1395
1396         if (journal_device) {
1397                 ext2_filsys     jfs;
1398
1399                 if (!force)
1400                         check_plausibility(journal_device);
1401                 check_mount(journal_device, force, _("journal"));
1402
1403                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
1404                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1405                                      fs->blocksize, unix_io_manager, &jfs);
1406                 if (retval) {
1407                         com_err(program_name, retval,
1408                                 _("while trying to open journal device %s\n"),
1409                                 journal_device);
1410                         exit(1);
1411                 }
1412                 if (!quiet) {
1413                         printf(_("Adding journal to device %s: "),
1414                                journal_device);
1415                         fflush(stdout);
1416                 }
1417                 retval = ext2fs_add_journal_device(fs, jfs);
1418                 if(retval) {
1419                         com_err (program_name, retval,
1420                                  _("\n\twhile trying to add journal to device %s"),
1421                                  journal_device);
1422                         exit(1);
1423                 }
1424                 if (!quiet)
1425                         printf(_("done\n"));
1426                 ext2fs_close(jfs);
1427                 free(journal_device);
1428         } else if (journal_size) {
1429                 journal_blocks = figure_journal_size(journal_size, fs);
1430
1431                 if (!journal_blocks) {
1432                         fs->super->s_feature_compat &=
1433                                 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
1434                         goto no_journal;
1435                 }
1436                 if (!quiet) {
1437                         printf(_("Creating journal (%d blocks): "),
1438                                journal_blocks);
1439                         fflush(stdout);
1440                 }
1441                 retval = ext2fs_add_journal_inode(fs, journal_blocks,
1442                                                   journal_flags);
1443                 if (retval) {
1444                         com_err (program_name, retval,
1445                                  _("\n\twhile trying to create journal"));
1446                         exit(1);
1447                 }
1448                 if (!quiet)
1449                         printf(_("done\n"));
1450         }
1451 no_journal:
1452
1453         if (!quiet)
1454                 printf(_("Writing superblocks and "
1455                        "filesystem accounting information: "));
1456         retval = ext2fs_flush(fs);
1457         if (retval) {
1458                 fprintf(stderr,
1459                         _("\nWarning, had trouble writing out superblocks."));
1460         }
1461         if (!quiet) {
1462                 printf(_("done\n\n"));
1463                 print_check_message(fs);
1464         }
1465         val = ext2fs_close(fs);
1466         return (retval || val) ? 1 : 0;
1467 }