misc/mke2fs.c

   1 /*
   2  * mke2fs.c - Make a ext2fs filesystem.
   3  *
   4  * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   5  *      2003, 2004, 2005 by Theodore Ts'o.
   6  *
   7  * %Begin-Header%
   8  * This file may be redistributed under the terms of the GNU Public
   9  * License.
  10  * %End-Header%
  11  */
  12
  13 /* Usage: mke2fs [options] device
  14  *
  15  * The device may be a block device or a image of one, but this isn't
  16  * enforced (but it's not much fun on a character device :-).
  17  */
  18
  19 #define _XOPEN_SOURCE 600
  20
  21 #include "config.h"
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <strings.h>
  25 #include <ctype.h>
  26 #include <time.h>
  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_SYS_IOCTL_H
  43 #include <sys/ioctl.h>
  44 #endif
  45 #include <libgen.h>
  46 #include <limits.h>
  47 #include <blkid/blkid.h>
  48
  49 #include "ext2fs/ext2_fs.h"
  50 #include "ext2fs/ext2fsP.h"
  51 #include "uuid/uuid.h"
  52 #include "util.h"
  53 #include "support/nls-enable.h"
  54 #include "support/plausible.h"
  55 #include "support/profile.h"
  56 #include "support/prof_err.h"
  57 #include "../version.h"
  58 #include "support/quotaio.h"
  59 #include "mke2fs.h"
  60 #include "create_inode.h"
  61
  62 #define STRIDE_LENGTH 8
  63
  64 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
  65
  66 #ifndef __sparc__
  67 #define ZAP_BOOTBLOCK
  68 #endif
  69
  70 #define DISCARD_STEP_MB         (2048)
  71
  72 extern int isatty(int);
  73 extern FILE *fpopen(const char *cmd, const char *mode);
  74
  75 const char * program_name = "mke2fs";
  76 static const char * device_name /* = NULL */;
  77
  78 /* Command line options */
  79 static int      cflag;
  80 int     verbose;
  81 int     quiet;
  82 static int      super_only;
  83 static int      discard = 1;    /* attempt to discard device before fs creation */
  84 static int      direct_io;
  85 static int      force;
  86 static int      noaction;
  87 static int      num_backups = 2; /* number of backup bg's for sparse_super2 */
  88 static uid_t    root_uid;
  89 static gid_t    root_gid;
  90 int     journal_size;
  91 int     journal_flags;
  92 static int      lazy_itable_init;
  93 static int      packed_meta_blocks;
  94 int             no_copy_xattrs;
  95 static char     *bad_blocks_filename = NULL;
  96 static __u32    fs_stride;
  97 /* Initialize usr/grp quotas by default */
  98 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
  99 static __u64    offset;
 100 static blk64_t journal_location = ~0LL;
 101 static int      proceed_delay = -1;
 102 static blk64_t  dev_size;
 103
 104 static struct ext2_super_block fs_param;
 105 static __u32 zero_buf[4];
 106 static char *fs_uuid = NULL;
 107 static char *creator_os;
 108 static char *volume_label;
 109 static char *mount_dir;
 110 char *journal_device;
 111 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 112 char **fs_types;
 113 const char *src_root_dir;  /* Copy files from the specified directory */
 114 static char *undo_file;
 115
 116 static int android_sparse_file; /* -E android_sparse */
 117
 118 static profile_t        profile;
 119
 120 static int sys_page_size = 4096;
 121
 122 static int errors_behavior = 0;
 123
 124 static void usage(void)
 125 {
 126         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 127         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 128         "[-J journal-options]\n"
 129         "\t[-G flex-group-size] [-N number-of-inodes] "
 130         "[-d root-directory]\n"
 131         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 132         "\t[-g blocks-per-group] [-L volume-label] "
 133         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 134         "[-r fs-revision] [-E extended-option[,...]]\n"
 135         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 136         "[-z undo_file]\n"
 137         "\t[-jnqvDFSV] device [blocks-count]\n"),
 138                 program_name);
 139         exit(1);
 140 }
 141
 142 static int int_log2(unsigned long long arg)
 143 {
 144         int     l = 0;
 145
 146         arg >>= 1;
 147         while (arg) {
 148                 l++;
 149                 arg >>= 1;
 150         }
 151         return l;
 152 }
 153
 154 int int_log10(unsigned long long arg)
 155 {
 156         int     l;
 157
 158         for (l=0; arg ; l++)
 159                 arg = arg / 10;
 160         return l;
 161 }
 162
 163 /*
 164  * Helper function for read_bb_file and test_disk
 165  */
 166 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 167 {
 168         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 169         return;
 170 }
 171
 172 /*
 173  * Reads the bad blocks list from a file
 174  */
 175 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 176                          const char *bad_blocks_file)
 177 {
 178         FILE            *f;
 179         errcode_t       retval;
 180
 181         f = fopen(bad_blocks_file, "r");
 182         if (!f) {
 183                 com_err("read_bad_blocks_file", errno,
 184                         _("while trying to open %s"), bad_blocks_file);
 185                 exit(1);
 186         }
 187         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 188         fclose (f);
 189         if (retval) {
 190                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 191                         _("while reading in list of bad blocks from file"));
 192                 exit(1);
 193         }
 194 }
 195
 196 /*
 197  * Runs the badblocks program to test the disk
 198  */
 199 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 200 {
 201         FILE            *f;
 202         errcode_t       retval;
 203         char            buf[1024];
 204
 205         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 206                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 207                 fs->device_name, ext2fs_blocks_count(fs->super)-1);
 208         if (verbose)
 209                 printf(_("Running command: %s\n"), buf);
 210         f = popen(buf, "r");
 211         if (!f) {
 212                 com_err("popen", errno,
 213                         _("while trying to run '%s'"), buf);
 214                 exit(1);
 215         }
 216         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 217         pclose(f);
 218         if (retval) {
 219                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 220                         _("while processing list of bad blocks from program"));
 221                 exit(1);
 222         }
 223 }
 224
 225 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 226 {
 227         dgrp_t                  i;
 228         blk_t                   j;
 229         unsigned                must_be_good;
 230         blk_t                   blk;
 231         badblocks_iterate       bb_iter;
 232         errcode_t               retval;
 233         blk_t                   group_block;
 234         int                     group;
 235         int                     group_bad;
 236
 237         if (!bb_list)
 238                 return;
 239
 240         /*
 241          * The primary superblock and group descriptors *must* be
 242          * good; if not, abort.
 243          */
 244         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 245         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 246                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 247                         fprintf(stderr, _("Block %d in primary "
 248                                 "superblock/group descriptor area bad.\n"), i);
 249                         fprintf(stderr, _("Blocks %u through %u must be good "
 250                                 "in order to build a filesystem.\n"),
 251                                 fs->super->s_first_data_block, must_be_good);
 252                         fputs(_("Aborting....\n"), stderr);
 253                         exit(1);
 254                 }
 255         }
 256
 257         /*
 258          * See if any of the bad blocks are showing up in the backup
 259          * superblocks and/or group descriptors.  If so, issue a
 260          * warning and adjust the block counts appropriately.
 261          */
 262         group_block = fs->super->s_first_data_block +
 263                 fs->super->s_blocks_per_group;
 264
 265         for (i = 1; i < fs->group_desc_count; i++) {
 266                 group_bad = 0;
 267                 for (j=0; j < fs->desc_blocks+1; j++) {
 268                         if (ext2fs_badblocks_list_test(bb_list,
 269                                                        group_block + j)) {
 270                                 if (!group_bad)
 271                                         fprintf(stderr,
 272 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 273 "       bad blocks.\n\n"),
 274                                                 group_block);
 275                                 group_bad++;
 276                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 277                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 278                                 ext2fs_group_desc_csum_set(fs, group);
 279                                 ext2fs_free_blocks_count_add(fs->super, 1);
 280                         }
 281                 }
 282                 group_block += fs->super->s_blocks_per_group;
 283         }
 284
 285         /*
 286          * Mark all the bad blocks as used...
 287          */
 288         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 289         if (retval) {
 290                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 291                         _("while marking bad blocks as used"));
 292                 exit(1);
 293         }
 294         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 295                 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
 296         ext2fs_badblocks_list_iterate_end(bb_iter);
 297 }
 298
 299 static void write_reserved_inodes(ext2_filsys fs)
 300 {
 301         errcode_t       retval;
 302         ext2_ino_t      ino;
 303         struct ext2_inode *inode;
 304
 305         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 306         if (retval) {
 307                 com_err("inode_init", retval, _("while allocating memory"));
 308                 exit(1);
 309         }
 310
 311         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
 312                 retval = ext2fs_write_inode_full(fs, ino, inode,
 313                                                  EXT2_INODE_SIZE(fs->super));
 314                 if (retval) {
 315                         com_err("ext2fs_write_inode_full", retval,
 316                                 _("while writing reserved inodes"));
 317                         exit(1);
 318                 }
 319         }
 320
 321         ext2fs_free_mem(&inode);
 322 }
 323
 324 static errcode_t packed_allocate_tables(ext2_filsys fs)
 325 {
 326         errcode_t       retval;
 327         dgrp_t          i;
 328         blk64_t         goal = 0;
 329
 330         for (i = 0; i < fs->group_desc_count; i++) {
 331                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 332                 if (retval)
 333                         return retval;
 334                 ext2fs_block_alloc_stats2(fs, goal, +1);
 335                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 336         }
 337         for (i = 0; i < fs->group_desc_count; i++) {
 338                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 339                 if (retval)
 340                         return retval;
 341                 ext2fs_block_alloc_stats2(fs, goal, +1);
 342                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 343         }
 344         for (i = 0; i < fs->group_desc_count; i++) {
 345                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 346                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 347                                                  fs->inode_blocks_per_group,
 348                                                  fs->block_map, &goal);
 349                 if (retval)
 350                         return retval;
 351                 ext2fs_block_alloc_stats_range(fs, goal,
 352                                                fs->inode_blocks_per_group, +1);
 353                 ext2fs_inode_table_loc_set(fs, i, goal);
 354                 ext2fs_group_desc_csum_set(fs, i);
 355         }
 356         return 0;
 357 }
 358
 359 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 360 {
 361         errcode_t       retval;
 362         blk64_t         blk;
 363         dgrp_t          i;
 364         int             num;
 365         struct ext2fs_numeric_progress_struct progress;
 366
 367         ext2fs_numeric_progress_init(fs, &progress,
 368                                      _("Writing inode tables: "),
 369                                      fs->group_desc_count);
 370
 371         for (i = 0; i < fs->group_desc_count; i++) {
 372                 ext2fs_numeric_progress_update(fs, &progress, i);
 373
 374                 blk = ext2fs_inode_table_loc(fs, i);
 375                 num = fs->inode_blocks_per_group;
 376
 377                 if (lazy_flag)
 378                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 379                                                ext2fs_bg_itable_unused(fs, i)) *
 380                                               EXT2_INODE_SIZE(fs->super),
 381                                               EXT2_BLOCK_SIZE(fs->super));
 382                 if (!lazy_flag || itable_zeroed) {
 383                         /* The kernel doesn't need to zero the itable blocks */
 384                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 385                         ext2fs_group_desc_csum_set(fs, i);
 386                 }
 387                 if (!itable_zeroed) {
 388                         retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
 389                         if (retval) {
 390                                 fprintf(stderr, _("\nCould not write %d "
 391                                           "blocks in inode table starting at %llu: %s\n"),
 392                                         num, blk, error_message(retval));
 393                                 exit(1);
 394                         }
 395                 }
 396                 if (sync_kludge) {
 397                         if (sync_kludge == 1)
 398                                 io_channel_flush(fs->io);
 399                         else if ((i % sync_kludge) == 0)
 400                                 io_channel_flush(fs->io);
 401                 }
 402         }
 403         ext2fs_numeric_progress_close(fs, &progress,
 404                                       _("done                            \n"));
 405
 406         /* Reserved inodes must always have correct checksums */
 407         if (ext2fs_has_feature_metadata_csum(fs->super))
 408                 write_reserved_inodes(fs);
 409 }
 410
 411 static void create_root_dir(ext2_filsys fs)
 412 {
 413         errcode_t               retval;
 414         struct ext2_inode       inode;
 415
 416         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 417         if (retval) {
 418                 com_err("ext2fs_mkdir", retval, "%s",
 419                         _("while creating root dir"));
 420                 exit(1);
 421         }
 422         if (root_uid != 0 || root_gid != 0) {
 423                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 424                 if (retval) {
 425                         com_err("ext2fs_read_inode", retval, "%s",
 426                                 _("while reading root inode"));
 427                         exit(1);
 428                 }
 429
 430                 inode.i_uid = root_uid;
 431                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 432                 inode.i_gid = root_gid;
 433                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 434
 435                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 436                 if (retval) {
 437                         com_err("ext2fs_write_inode", retval, "%s",
 438                                 _("while setting root inode ownership"));
 439                         exit(1);
 440                 }
 441         }
 442 }
 443
 444 static void create_lost_and_found(ext2_filsys fs)
 445 {
 446         unsigned int            lpf_size = 0;
 447         errcode_t               retval;
 448         ext2_ino_t              ino;
 449         const char              *name = "lost+found";
 450         int                     i;
 451
 452         fs->umask = 077;
 453         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 454         if (retval) {
 455                 com_err("ext2fs_mkdir", retval, "%s",
 456                         _("while creating /lost+found"));
 457                 exit(1);
 458         }
 459
 460         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 461         if (retval) {
 462                 com_err("ext2_lookup", retval, "%s",
 463                         _("while looking up /lost+found"));
 464                 exit(1);
 465         }
 466
 467         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 468                 /* Ensure that lost+found is at least 2 blocks, so we always
 469                  * test large empty blocks for big-block filesystems.  */
 470                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 471                     lpf_size >= 2 * fs->blocksize)
 472                         break;
 473                 retval = ext2fs_expand_dir(fs, ino);
 474                 if (retval) {
 475                         com_err("ext2fs_expand_dir", retval, "%s",
 476                                 _("while expanding /lost+found"));
 477                         exit(1);
 478                 }
 479         }
 480 }
 481
 482 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 483 {
 484         errcode_t       retval;
 485
 486         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 487         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 488         retval = ext2fs_update_bb_inode(fs, bb_list);
 489         if (retval) {
 490                 com_err("ext2fs_update_bb_inode", retval, "%s",
 491                         _("while setting bad block inode"));
 492                 exit(1);
 493         }
 494
 495 }
 496
 497 static void reserve_inodes(ext2_filsys fs)
 498 {
 499         ext2_ino_t      i;
 500
 501         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 502                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 503         ext2fs_mark_ib_dirty(fs);
 504 }
 505
 506 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 507 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 508 #define BSD_LABEL_OFFSET        64
 509
 510 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 511 {
 512         char *buf;
 513         int retval;
 514         unsigned int *magic;
 515
 516         buf = calloc(512, nsect);
 517         if (!buf) {
 518                 printf(_("Out of memory erasing sectors %d-%d\n"),
 519                        sect, sect + nsect - 1);
 520                 exit(1);
 521         }
 522
 523         if (sect == 0) {
 524                 /* Check for a BSD disklabel, and don't erase it if so */
 525                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 526                 if (retval)
 527                         fprintf(stderr,
 528                                 _("Warning: could not read block 0: %s\n"),
 529                                 error_message(retval));
 530                 else {
 531                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 532                         if ((*magic == BSD_DISKMAGIC) ||
 533                             (*magic == BSD_MAGICDISK))
 534                                 return;
 535                 }
 536         }
 537
 538         memset(buf, 0, 512*nsect);
 539         io_channel_set_blksize(fs->io, 512);
 540         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 541         io_channel_set_blksize(fs->io, fs->blocksize);
 542         free(buf);
 543         if (retval)
 544                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 545                         sect, error_message(retval));
 546 }
 547
 548 static void create_journal_dev(ext2_filsys fs)
 549 {
 550         struct ext2fs_numeric_progress_struct progress;
 551         errcode_t               retval;
 552         char                    *buf;
 553         blk64_t                 blk, err_blk;
 554         int                     c, count, err_count;
 555
 556         retval = ext2fs_create_journal_superblock(fs,
 557                                   ext2fs_blocks_count(fs->super), 0, &buf);
 558         if (retval) {
 559                 com_err("create_journal_dev", retval, "%s",
 560                         _("while initializing journal superblock"));
 561                 exit(1);
 562         }
 563
 564         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 565                 goto write_superblock;
 566
 567         ext2fs_numeric_progress_init(fs, &progress,
 568                                      _("Zeroing journal device: "),
 569                                      ext2fs_blocks_count(fs->super));
 570         blk = 0;
 571         count = ext2fs_blocks_count(fs->super);
 572         while (count > 0) {
 573                 if (count > 1024)
 574                         c = 1024;
 575                 else
 576                         c = count;
 577                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 578                 if (retval) {
 579                         com_err("create_journal_dev", retval,
 580                                 _("while zeroing journal device "
 581                                   "(block %llu, count %d)"),
 582                                 err_blk, err_count);
 583                         exit(1);
 584                 }
 585                 blk += c;
 586                 count -= c;
 587                 ext2fs_numeric_progress_update(fs, &progress, blk);
 588         }
 589
 590         ext2fs_numeric_progress_close(fs, &progress, NULL);
 591 write_superblock:
 592         retval = io_channel_write_blk64(fs->io,
 593                                         fs->super->s_first_data_block+1,
 594                                         1, buf);
 595         (void) ext2fs_free_mem(&buf);
 596         if (retval) {
 597                 com_err("create_journal_dev", retval, "%s",
 598                         _("while writing journal superblock"));
 599                 exit(1);
 600         }
 601 }
 602
 603 static void show_stats(ext2_filsys fs)
 604 {
 605         struct ext2_super_block *s = fs->super;
 606         char                    buf[80];
 607         char                    *os;
 608         blk64_t                 group_block;
 609         dgrp_t                  i;
 610         int                     need, col_left;
 611
 612         if (!verbose) {
 613                 printf(_("Creating filesystem with %llu %dk blocks and "
 614                          "%u inodes\n"),
 615                        ext2fs_blocks_count(s), fs->blocksize >> 10,
 616                        s->s_inodes_count);
 617                 goto skip_details;
 618         }
 619
 620         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 621                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 622                        ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
 623
 624         memset(buf, 0, sizeof(buf));
 625         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 626         printf(_("Filesystem label=%s\n"), buf);
 627         os = e2p_os2string(fs->super->s_creator_os);
 628         if (os)
 629                 printf(_("OS type: %s\n"), os);
 630         free(os);
 631         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 632                 s->s_log_block_size);
 633         if (ext2fs_has_feature_bigalloc(fs->super))
 634                 printf(_("Cluster size=%u (log=%u)\n"),
 635                        fs->blocksize << fs->cluster_ratio_bits,
 636                        s->s_log_cluster_size);
 637         else
 638                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 639                        s->s_log_cluster_size);
 640         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 641                s->s_raid_stride, s->s_raid_stripe_width);
 642         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 643                ext2fs_blocks_count(s));
 644         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 645                 ext2fs_r_blocks_count(s),
 646                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 647         printf(_("First data block=%u\n"), s->s_first_data_block);
 648         if (root_uid != 0 || root_gid != 0)
 649                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 650         if (s->s_reserved_gdt_blocks)
 651                 printf(_("Maximum filesystem blocks=%lu\n"),
 652                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 653                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 654         if (fs->group_desc_count > 1)
 655                 printf(_("%u block groups\n"), fs->group_desc_count);
 656         else
 657                 printf(_("%u block group\n"), fs->group_desc_count);
 658         if (ext2fs_has_feature_bigalloc(fs->super))
 659                 printf(_("%u blocks per group, %u clusters per group\n"),
 660                        s->s_blocks_per_group, s->s_clusters_per_group);
 661         else
 662                 printf(_("%u blocks per group, %u fragments per group\n"),
 663                        s->s_blocks_per_group, s->s_clusters_per_group);
 664         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 665
 666 skip_details:
 667         if (fs->group_desc_count == 1) {
 668                 printf("\n");
 669                 return;
 670         }
 671
 672         if (!e2p_is_null_uuid(s->s_uuid))
 673                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 674         printf("%s", _("Superblock backups stored on blocks: "));
 675         group_block = s->s_first_data_block;
 676         col_left = 0;
 677         for (i = 1; i < fs->group_desc_count; i++) {
 678                 group_block += s->s_blocks_per_group;
 679                 if (!ext2fs_bg_has_super(fs, i))
 680                         continue;
 681                 if (i != 1)
 682                         printf(", ");
 683                 need = int_log10(group_block) + 2;
 684                 if (need > col_left) {
 685                         printf("\n\t");
 686                         col_left = 72;
 687                 }
 688                 col_left -= need;
 689                 printf("%llu", group_block);
 690         }
 691         printf("\n\n");
 692 }
 693
 694 /*
 695  * Returns true if making a file system for the Hurd, else 0
 696  */
 697 static int for_hurd(const char *os)
 698 {
 699         if (!os) {
 700 #ifdef __GNU__
 701                 return 1;
 702 #else
 703                 return 0;
 704 #endif
 705         }
 706         if (isdigit(*os))
 707                 return (atoi(os) == EXT2_OS_HURD);
 708         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 709 }
 710
 711 /*
 712  * Set the S_CREATOR_OS field.  Return true if OS is known,
 713  * otherwise, 0.
 714  */
 715 static int set_os(struct ext2_super_block *sb, char *os)
 716 {
 717         if (isdigit (*os))
 718                 sb->s_creator_os = atoi (os);
 719         else if (strcasecmp(os, "linux") == 0)
 720                 sb->s_creator_os = EXT2_OS_LINUX;
 721         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 722                 sb->s_creator_os = EXT2_OS_HURD;
 723         else if (strcasecmp(os, "freebsd") == 0)
 724                 sb->s_creator_os = EXT2_OS_FREEBSD;
 725         else if (strcasecmp(os, "lites") == 0)
 726                 sb->s_creator_os = EXT2_OS_LITES;
 727         else
 728                 return 0;
 729         return 1;
 730 }
 731
 732 #define PATH_SET "PATH=/sbin"
 733
 734 static void parse_extended_opts(struct ext2_super_block *param,
 735                                 const char *opts)
 736 {
 737         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 738         int     len;
 739         int     r_usage = 0;
 740         int     ret;
 741
 742         len = strlen(opts);
 743         buf = malloc(len+1);
 744         if (!buf) {
 745                 fprintf(stderr, "%s",
 746                         _("Couldn't allocate memory to parse options!\n"));
 747                 exit(1);
 748         }
 749         strcpy(buf, opts);
 750         for (token = buf; token && *token; token = next) {
 751                 p = strchr(token, ',');
 752                 next = 0;
 753                 if (p) {
 754                         *p = 0;
 755                         next = p+1;
 756                 }
 757                 arg = strchr(token, '=');
 758                 if (arg) {
 759                         *arg = 0;
 760                         arg++;
 761                 }
 762                 if (strcmp(token, "desc-size") == 0 ||
 763                     strcmp(token, "desc_size") == 0) {
 764                         int desc_size;
 765
 766                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 767                                 fprintf(stderr,
 768                                         _("%s requires '-O 64bit'\n"), token);
 769                                 r_usage++;
 770                                 continue;
 771                         }
 772                         if (param->s_reserved_gdt_blocks != 0) {
 773                                 fprintf(stderr,
 774                                         _("'%s' must be before 'resize=%u'\n"),
 775                                         token, param->s_reserved_gdt_blocks);
 776                                 r_usage++;
 777                                 continue;
 778                         }
 779                         if (!arg) {
 780                                 r_usage++;
 781                                 badopt = token;
 782                                 continue;
 783                         }
 784                         desc_size = strtoul(arg, &p, 0);
 785                         if (*p || (desc_size & (desc_size - 1))) {
 786                                 fprintf(stderr,
 787                                         _("Invalid desc_size: '%s'\n"), arg);
 788                                 r_usage++;
 789                                 continue;
 790                         }
 791                         param->s_desc_size = desc_size;
 792                 } else if (strcmp(token, "hash_seed") == 0) {
 793                         if (!arg) {
 794                                 r_usage++;
 795                                 badopt = token;
 796                                 continue;
 797                         }
 798                         if (uuid_parse(arg,
 799                                 (unsigned char *)param->s_hash_seed) != 0) {
 800                                 fprintf(stderr,
 801                                         _("Invalid hash seed: %s\n"), arg);
 802                                 r_usage++;
 803                                 continue;
 804                         }
 805                 } else if (strcmp(token, "offset") == 0) {
 806                         if (!arg) {
 807                                 r_usage++;
 808                                 badopt = token;
 809                                 continue;
 810                         }
 811                         offset = strtoull(arg, &p, 0);
 812                         if (*p) {
 813                                 fprintf(stderr, _("Invalid offset: %s\n"),
 814                                         arg);
 815                                 r_usage++;
 816                                 continue;
 817                         }
 818                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 819                         if (!arg) {
 820                                 r_usage++;
 821                                 badopt = token;
 822                                 continue;
 823                         }
 824                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 825                         if (*p) {
 826                                 fprintf(stderr,
 827                                         _("Invalid mmp_update_interval: %s\n"),
 828                                         arg);
 829                                 r_usage++;
 830                                 continue;
 831                         }
 832                 } else if (strcmp(token, "no_copy_xattrs") == 0) {
 833                         no_copy_xattrs = 1;
 834                         continue;
 835                 } else if (strcmp(token, "num_backup_sb") == 0) {
 836                         if (!arg) {
 837                                 r_usage++;
 838                                 badopt = token;
 839                                 continue;
 840                         }
 841                         num_backups = strtoul(arg, &p, 0);
 842                         if (*p || num_backups > 2) {
 843                                 fprintf(stderr,
 844                                         _("Invalid # of backup "
 845                                           "superblocks: %s\n"),
 846                                         arg);
 847                                 r_usage++;
 848                                 continue;
 849                         }
 850                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 851                         if (arg)
 852                                 packed_meta_blocks = strtoul(arg, &p, 0);
 853                         else
 854                                 packed_meta_blocks = 1;
 855                         if (packed_meta_blocks)
 856                                 journal_location = 0;
 857                 } else if (strcmp(token, "stride") == 0) {
 858                         if (!arg) {
 859                                 r_usage++;
 860                                 badopt = token;
 861                                 continue;
 862                         }
 863                         param->s_raid_stride = strtoul(arg, &p, 0);
 864                         if (*p) {
 865                                 fprintf(stderr,
 866                                         _("Invalid stride parameter: %s\n"),
 867                                         arg);
 868                                 r_usage++;
 869                                 continue;
 870                         }
 871                 } else if (strcmp(token, "stripe-width") == 0 ||
 872                            strcmp(token, "stripe_width") == 0) {
 873                         if (!arg) {
 874                                 r_usage++;
 875                                 badopt = token;
 876                                 continue;
 877                         }
 878                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 879                         if (*p) {
 880                                 fprintf(stderr,
 881                                         _("Invalid stripe-width parameter: %s\n"),
 882                                         arg);
 883                                 r_usage++;
 884                                 continue;
 885                         }
 886                 } else if (!strcmp(token, "resize")) {
 887                         blk64_t resize;
 888                         unsigned long bpg, rsv_groups;
 889                         unsigned long group_desc_count, desc_blocks;
 890                         unsigned int gdpb, blocksize;
 891                         int rsv_gdb;
 892
 893                         if (!arg) {
 894                                 r_usage++;
 895                                 badopt = token;
 896                                 continue;
 897                         }
 898
 899                         resize = parse_num_blocks2(arg,
 900                                                    param->s_log_block_size);
 901
 902                         if (resize == 0) {
 903                                 fprintf(stderr,
 904                                         _("Invalid resize parameter: %s\n"),
 905                                         arg);
 906                                 r_usage++;
 907                                 continue;
 908                         }
 909                         if (resize <= ext2fs_blocks_count(param)) {
 910                                 fprintf(stderr, "%s",
 911                                         _("The resize maximum must be greater "
 912                                           "than the filesystem size.\n"));
 913                                 r_usage++;
 914                                 continue;
 915                         }
 916
 917                         blocksize = EXT2_BLOCK_SIZE(param);
 918                         bpg = param->s_blocks_per_group;
 919                         if (!bpg)
 920                                 bpg = blocksize * 8;
 921                         gdpb = EXT2_DESC_PER_BLOCK(param);
 922                         group_desc_count = (__u32) ext2fs_div64_ceil(
 923                                 ext2fs_blocks_count(param), bpg);
 924                         desc_blocks = (group_desc_count +
 925                                        gdpb - 1) / gdpb;
 926                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 927                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 928                                 desc_blocks;
 929                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 930                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 931
 932                         if (rsv_gdb > 0) {
 933                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 934                                         fprintf(stderr, "%s",
 935         _("On-line resizing not supported with revision 0 filesystems\n"));
 936                                         free(buf);
 937                                         exit(1);
 938                                 }
 939                                 ext2fs_set_feature_resize_inode(param);
 940
 941                                 param->s_reserved_gdt_blocks = rsv_gdb;
 942                         }
 943                 } else if (!strcmp(token, "test_fs")) {
 944                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 945                 } else if (!strcmp(token, "lazy_itable_init")) {
 946                         if (arg)
 947                                 lazy_itable_init = strtoul(arg, &p, 0);
 948                         else
 949                                 lazy_itable_init = 1;
 950                 } else if (!strcmp(token, "lazy_journal_init")) {
 951                         if (arg)
 952                                 journal_flags |= strtoul(arg, &p, 0) ?
 953                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
 954                         else
 955                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
 956                 } else if (!strcmp(token, "root_owner")) {
 957                         if (arg) {
 958                                 root_uid = strtoul(arg, &p, 0);
 959                                 if (*p != ':') {
 960                                         fprintf(stderr,
 961                                                 _("Invalid root_owner: '%s'\n"),
 962                                                 arg);
 963                                         r_usage++;
 964                                         continue;
 965                                 }
 966                                 p++;
 967                                 root_gid = strtoul(p, &p, 0);
 968                                 if (*p) {
 969                                         fprintf(stderr,
 970                                                 _("Invalid root_owner: '%s'\n"),
 971                                                 arg);
 972                                         r_usage++;
 973                                         continue;
 974                                 }
 975                         } else {
 976                                 root_uid = getuid();
 977                                 root_gid = getgid();
 978                         }
 979                 } else if (!strcmp(token, "discard")) {
 980                         discard = 1;
 981                 } else if (!strcmp(token, "nodiscard")) {
 982                         discard = 0;
 983                 } else if (!strcmp(token, "quotatype")) {
 984                         char *errtok = NULL;
 985
 986                         if (!arg) {
 987                                 r_usage++;
 988                                 badopt = token;
 989                                 continue;
 990                         }
 991                         quotatype_bits = 0;
 992                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
 993                         if (ret) {
 994                                 if (errtok) {
 995                                         fprintf(stderr,
 996                                 "Failed to parse quota type at %s", errtok);
 997                                         free(errtok);
 998                                 } else
 999                                         com_err(program_name, ret,
1000                                                 "while parsing quota type");
1001                                 r_usage++;
1002                                 badopt = token;
1003                                 continue;
1004                         }
1005                 } else if (!strcmp(token, "android_sparse")) {
1006                         android_sparse_file = 1;
1007                 } else {
1008                         r_usage++;
1009                         badopt = token;
1010                 }
1011         }
1012         if (r_usage) {
1013                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1014                         "Extended options are separated by commas, "
1015                         "and may take an argument which\n"
1016                         "\tis set off by an equals ('=') sign.\n\n"
1017                         "Valid extended options are:\n"
1018                         "\tmmp_update_interval=<interval>\n"
1019                         "\tnum_backup_sb=<0|1|2>\n"
1020                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1021                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1022                         "\toffset=<offset to create the file system>\n"
1023                         "\tresize=<resize maximum size in blocks>\n"
1024                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1025                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1026                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1027                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1028                         "\ttest_fs\n"
1029                         "\tdiscard\n"
1030                         "\tnodiscard\n"
1031                         "\tquotatype=<quota type(s) to be enabled>\n\n"),
1032                         badopt ? badopt : "");
1033                 free(buf);
1034                 exit(1);
1035         }
1036         if (param->s_raid_stride &&
1037             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1038                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1039                                   "multiple of stride %u.\n\n"),
1040                         param->s_raid_stripe_width, param->s_raid_stride);
1041
1042         free(buf);
1043 }
1044
1045 static __u32 ok_features[3] = {
1046         /* Compat */
1047         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1048                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1049                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1050                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1051                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1052         /* Incompat */
1053         EXT2_FEATURE_INCOMPAT_FILETYPE|
1054                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1055                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1056                 EXT2_FEATURE_INCOMPAT_META_BG|
1057                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1058                 EXT4_FEATURE_INCOMPAT_EA_INODE|
1059                 EXT4_FEATURE_INCOMPAT_MMP |
1060                 EXT4_FEATURE_INCOMPAT_DIRDATA|
1061                 EXT4_FEATURE_INCOMPAT_64BIT|
1062                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1063                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1064                 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1065                 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1066         /* R/O compat */
1067         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1068                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1069                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1070                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1071                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1072                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1073                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1074                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1075                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1076                 EXT4_FEATURE_RO_COMPAT_PROJECT
1077 };
1078
1079
1080 static void syntax_err_report(const char *filename, long err, int line_num)
1081 {
1082         fprintf(stderr,
1083                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1084                 filename, line_num, error_message(err));
1085         exit(1);
1086 }
1087
1088 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1089
1090 static void edit_feature(const char *str, __u32 *compat_array)
1091 {
1092         if (!str)
1093                 return;
1094
1095         if (e2p_edit_feature(str, compat_array, ok_features)) {
1096                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1097                         str);
1098                 exit(1);
1099         }
1100 }
1101
1102 static void edit_mntopts(const char *str, __u32 *mntopts)
1103 {
1104         if (!str)
1105                 return;
1106
1107         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1108                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1109                         str);
1110                 exit(1);
1111         }
1112 }
1113
1114 struct str_list {
1115         char **list;
1116         int num;
1117         int max;
1118 };
1119
1120 static errcode_t init_list(struct str_list *sl)
1121 {
1122         sl->num = 0;
1123         sl->max = 1;
1124         sl->list = malloc((sl->max+1) * sizeof(char *));
1125         if (!sl->list)
1126                 return ENOMEM;
1127         sl->list[0] = 0;
1128         return 0;
1129 }
1130
1131 static errcode_t push_string(struct str_list *sl, const char *str)
1132 {
1133         char **new_list;
1134
1135         if (sl->num >= sl->max) {
1136                 sl->max += 2;
1137                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1138                 if (!new_list)
1139                         return ENOMEM;
1140                 sl->list = new_list;
1141         }
1142         sl->list[sl->num] = malloc(strlen(str)+1);
1143         if (sl->list[sl->num] == 0)
1144                 return ENOMEM;
1145         strcpy(sl->list[sl->num], str);
1146         sl->num++;
1147         sl->list[sl->num] = 0;
1148         return 0;
1149 }
1150
1151 static void print_str_list(char **list)
1152 {
1153         char **cpp;
1154
1155         for (cpp = list; *cpp; cpp++) {
1156                 printf("'%s'", *cpp);
1157                 if (cpp[1])
1158                         fputs(", ", stdout);
1159         }
1160         fputc('\n', stdout);
1161 }
1162
1163 /*
1164  * Return TRUE if the profile has the given subsection
1165  */
1166 static int profile_has_subsection(profile_t prof, const char *section,
1167                                   const char *subsection)
1168 {
1169         void                    *state;
1170         const char              *names[4];
1171         char                    *name;
1172         int                     ret = 0;
1173
1174         names[0] = section;
1175         names[1] = subsection;
1176         names[2] = 0;
1177
1178         if (profile_iterator_create(prof, names,
1179                                     PROFILE_ITER_LIST_SECTION |
1180                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1181                 return 0;
1182
1183         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1184                 free(name);
1185                 ret = 1;
1186         }
1187
1188         profile_iterator_free(&state);
1189         return ret;
1190 }
1191
1192 static char **parse_fs_type(const char *fs_type,
1193                             const char *usage_types,
1194                             struct ext2_super_block *sb,
1195                             blk64_t fs_blocks_count,
1196                             char *progname)
1197 {
1198         const char      *ext_type = 0;
1199         char            *parse_str;
1200         char            *profile_type = 0;
1201         char            *cp, *t;
1202         const char      *size_type;
1203         struct str_list list;
1204         unsigned long long meg;
1205         int             is_hurd = for_hurd(creator_os);
1206
1207         if (init_list(&list))
1208                 return 0;
1209
1210         if (fs_type)
1211                 ext_type = fs_type;
1212         else if (is_hurd)
1213                 ext_type = "ext2";
1214         else if (!strcmp(program_name, "mke3fs"))
1215                 ext_type = "ext3";
1216         else if (!strcmp(program_name, "mke4fs"))
1217                 ext_type = "ext4";
1218         else if (progname) {
1219                 ext_type = strrchr(progname, '/');
1220                 if (ext_type)
1221                         ext_type++;
1222                 else
1223                         ext_type = progname;
1224
1225                 if (!strncmp(ext_type, "mkfs.", 5)) {
1226                         ext_type += 5;
1227                         if (ext_type[0] == 0)
1228                                 ext_type = 0;
1229                 } else
1230                         ext_type = 0;
1231         }
1232
1233         if (!ext_type) {
1234                 profile_get_string(profile, "defaults", "fs_type", 0,
1235                                    "ext2", &profile_type);
1236                 ext_type = profile_type;
1237                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1238                         ext_type = "ext3";
1239         }
1240
1241
1242         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1243             strcmp(ext_type, "ext2")) {
1244                 printf(_("\nYour mke2fs.conf file does not define the "
1245                          "%s filesystem type.\n"), ext_type);
1246                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1247                     !strcmp(ext_type, "ext4dev")) {
1248                         printf("%s", _("You probably need to install an "
1249                                        "updated mke2fs.conf file.\n\n"));
1250                 }
1251                 if (!force) {
1252                         printf("%s", _("Aborting...\n"));
1253                         exit(1);
1254                 }
1255         }
1256
1257         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1258         if (fs_blocks_count < 3 * meg)
1259                 size_type = "floppy";
1260         else if (fs_blocks_count < 512 * meg)
1261                 size_type = "small";
1262         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1263                 size_type = "default";
1264         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1265                 size_type = "big";
1266         else
1267                 size_type = "huge";
1268
1269         if (!usage_types)
1270                 usage_types = size_type;
1271
1272         parse_str = malloc(strlen(usage_types)+1);
1273         if (!parse_str) {
1274                 free(profile_type);
1275                 free(list.list);
1276                 return 0;
1277         }
1278         strcpy(parse_str, usage_types);
1279
1280         if (ext_type)
1281                 push_string(&list, ext_type);
1282         cp = parse_str;
1283         while (1) {
1284                 t = strchr(cp, ',');
1285                 if (t)
1286                         *t = '\0';
1287
1288                 if (*cp) {
1289                         if (profile_has_subsection(profile, "fs_types", cp))
1290                                 push_string(&list, cp);
1291                         else if (strcmp(cp, "default") != 0)
1292                                 fprintf(stderr,
1293                                         _("\nWarning: the fs_type %s is not "
1294                                           "defined in mke2fs.conf\n\n"),
1295                                         cp);
1296                 }
1297                 if (t)
1298                         cp = t+1;
1299                 else
1300                         break;
1301         }
1302         free(parse_str);
1303         free(profile_type);
1304         if (is_hurd)
1305                 push_string(&list, "hurd");
1306         return (list.list);
1307 }
1308
1309 char *get_string_from_profile(char **types, const char *opt,
1310                                      const char *def_val)
1311 {
1312         char *ret = 0;
1313         int i;
1314
1315         for (i=0; types[i]; i++);
1316         for (i-=1; i >=0 ; i--) {
1317                 profile_get_string(profile, "fs_types", types[i],
1318                                    opt, 0, &ret);
1319                 if (ret)
1320                         return ret;
1321         }
1322         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1323         return (ret);
1324 }
1325
1326 int get_int_from_profile(char **types, const char *opt, int def_val)
1327 {
1328         int ret;
1329         char **cpp;
1330
1331         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1332         for (cpp = types; *cpp; cpp++)
1333                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1334         return ret;
1335 }
1336
1337 static unsigned int get_uint_from_profile(char **types, const char *opt,
1338                                         unsigned int def_val)
1339 {
1340         unsigned int ret;
1341         char **cpp;
1342
1343         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1344         for (cpp = types; *cpp; cpp++)
1345                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1346         return ret;
1347 }
1348
1349 static double get_double_from_profile(char **types, const char *opt,
1350                                       double def_val)
1351 {
1352         double ret;
1353         char **cpp;
1354
1355         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1356         for (cpp = types; *cpp; cpp++)
1357                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1358         return ret;
1359 }
1360
1361 int get_bool_from_profile(char **types, const char *opt, int def_val)
1362 {
1363         int ret;
1364         char **cpp;
1365
1366         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1367         for (cpp = types; *cpp; cpp++)
1368                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1369         return ret;
1370 }
1371
1372 extern const char *mke2fs_default_profile;
1373 static const char *default_files[] = { "<default>", 0 };
1374
1375 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1376 /*
1377  * Sets the geometry of a device (stripe/stride), and returns the
1378  * device's alignment offset, if any, or a negative error.
1379  */
1380 static int get_device_geometry(const char *file,
1381                                struct ext2_super_block *param,
1382                                unsigned int psector_size)
1383 {
1384         int rc = -1;
1385         unsigned int blocksize;
1386         blkid_probe pr;
1387         blkid_topology tp;
1388         unsigned long min_io;
1389         unsigned long opt_io;
1390         struct stat statbuf;
1391
1392         /* Nothing to do for a regular file */
1393         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1394                 return 0;
1395
1396         pr = blkid_new_probe_from_filename(file);
1397         if (!pr)
1398                 goto out;
1399
1400         tp = blkid_probe_get_topology(pr);
1401         if (!tp)
1402                 goto out;
1403
1404         min_io = blkid_topology_get_minimum_io_size(tp);
1405         opt_io = blkid_topology_get_optimal_io_size(tp);
1406         blocksize = EXT2_BLOCK_SIZE(param);
1407         if ((min_io == 0) && (psector_size > blocksize))
1408                 min_io = psector_size;
1409         if ((opt_io == 0) && min_io)
1410                 opt_io = min_io;
1411         if ((opt_io == 0) && (psector_size > blocksize))
1412                 opt_io = psector_size;
1413
1414         /* setting stripe/stride to blocksize is pointless */
1415         if (min_io > blocksize)
1416                 param->s_raid_stride = min_io / blocksize;
1417         if (opt_io > blocksize)
1418                 param->s_raid_stripe_width = opt_io / blocksize;
1419
1420         rc = blkid_topology_get_alignment_offset(tp);
1421 out:
1422         blkid_free_probe(pr);
1423         return rc;
1424 }
1425 #endif
1426
1427 static void PRS(int argc, char *argv[])
1428 {
1429         int             b, c, flags;
1430         int             cluster_size = 0;
1431         char            *tmp, **cpp;
1432         int             explicit_fssize = 0;
1433         int             blocksize = 0;
1434         int             inode_ratio = 0;
1435         int             inode_size = 0;
1436         unsigned long   flex_bg_size = 0;
1437         double          reserved_ratio = -1.0;
1438         int             lsector_size = 0, psector_size = 0;
1439         int             show_version_only = 0, is_device = 0;
1440         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1441         errcode_t       retval;
1442         char *          oldpath = getenv("PATH");
1443         char *          extended_opts = 0;
1444         char *          fs_type = 0;
1445         char *          usage_types = 0;
1446         /*
1447          * NOTE: A few words about fs_blocks_count and blocksize:
1448          *
1449          * Initially, blocksize is set to zero, which implies 1024.
1450          * If -b is specified, blocksize is updated to the user's value.
1451          *
1452          * Next, the device size or the user's "blocks" command line argument
1453          * is used to set fs_blocks_count; the units are blocksize.
1454          *
1455          * Later, if blocksize hasn't been set and the profile specifies a
1456          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1457          * appropriately.  Note the change in units!
1458          *
1459          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1460          */
1461         blk64_t         fs_blocks_count = 0;
1462         long            sysval;
1463         int             s_opt = -1, r_opt = -1;
1464         char            *fs_features = 0;
1465         int             fs_features_size = 0;
1466         int             use_bsize;
1467         char            *newpath;
1468         int             pathlen = sizeof(PATH_SET) + 1;
1469
1470         if (oldpath)
1471                 pathlen += strlen(oldpath);
1472         newpath = malloc(pathlen);
1473         if (!newpath) {
1474                 fprintf(stderr, "%s",
1475                         _("Couldn't allocate memory for new PATH.\n"));
1476                 exit(1);
1477         }
1478         strcpy(newpath, PATH_SET);
1479
1480         /* Update our PATH to include /sbin  */
1481         if (oldpath) {
1482                 strcat (newpath, ":");
1483                 strcat (newpath, oldpath);
1484         }
1485         putenv (newpath);
1486
1487         /* Determine the system page size if possible */
1488 #ifdef HAVE_SYSCONF
1489 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1490 #define _SC_PAGESIZE _SC_PAGE_SIZE
1491 #endif
1492 #ifdef _SC_PAGESIZE
1493         sysval = sysconf(_SC_PAGESIZE);
1494         if (sysval > 0)
1495                 sys_page_size = sysval;
1496 #endif /* _SC_PAGESIZE */
1497 #endif /* HAVE_SYSCONF */
1498
1499         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1500                 config_fn[0] = tmp;
1501         profile_set_syntax_err_cb(syntax_err_report);
1502         retval = profile_init(config_fn, &profile);
1503         if (retval == ENOENT) {
1504                 retval = profile_init(default_files, &profile);
1505                 if (retval)
1506                         goto profile_error;
1507                 retval = profile_set_default(profile, mke2fs_default_profile);
1508                 if (retval)
1509                         goto profile_error;
1510         } else if (retval) {
1511 profile_error:
1512                 fprintf(stderr, _("Couldn't init profile successfully"
1513                                   " (error: %ld).\n"), retval);
1514                 exit(1);
1515         }
1516
1517         setbuf(stdout, NULL);
1518         setbuf(stderr, NULL);
1519         add_error_table(&et_ext2_error_table);
1520         add_error_table(&et_prof_error_table);
1521         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1522         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1523
1524         if (ext2fs_is_before_linux_ver(2, 2, 0))
1525                 fs_param.s_rev_level = 0;
1526
1527         if (argc && *argv) {
1528                 program_name = get_progname(*argv);
1529
1530                 /* If called as mkfs.ext3, create a journal inode */
1531                 if (!strcmp(program_name, "mkfs.ext3") ||
1532                     !strcmp(program_name, "mke3fs"))
1533                         journal_size = -1;
1534         }
1535
1536         while ((c = getopt (argc, argv,
1537                     "b:cd:e:g:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:Vz:")) != EOF) {
1538                 switch (c) {
1539                 case 'b':
1540                         blocksize = parse_num_blocks2(optarg, -1);
1541                         b = (blocksize > 0) ? blocksize : -blocksize;
1542                         if (b < EXT2_MIN_BLOCK_SIZE ||
1543                             b > EXT2_MAX_BLOCK_SIZE) {
1544                                 com_err(program_name, 0,
1545                                         _("invalid block size - %s"), optarg);
1546                                 exit(1);
1547                         }
1548                         if (blocksize > 4096)
1549                                 fprintf(stderr, _("Warning: blocksize %d not "
1550                                                   "usable on most systems.\n"),
1551                                         blocksize);
1552                         if (blocksize > 0)
1553                                 fs_param.s_log_block_size =
1554                                         int_log2(blocksize >>
1555                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1556                         break;
1557                 case 'c':       /* Check for bad blocks */
1558                         cflag++;
1559                         break;
1560                 case 'C':
1561                         cluster_size = parse_num_blocks2(optarg, -1);
1562                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1563                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1564                                 com_err(program_name, 0,
1565                                         _("invalid cluster size - %s"),
1566                                         optarg);
1567                                 exit(1);
1568                         }
1569                         break;
1570                 case 'd':
1571                         src_root_dir = optarg;
1572                         break;
1573                 case 'D':
1574                         direct_io = 1;
1575                         break;
1576                 case 'R':
1577                         com_err(program_name, 0, "%s",
1578                                 _("'-R' is deprecated, use '-E' instead"));
1579                         /* fallthrough */
1580                 case 'E':
1581                         extended_opts = optarg;
1582                         break;
1583                 case 'e':
1584                         if (strcmp(optarg, "continue") == 0)
1585                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1586                         else if (strcmp(optarg, "remount-ro") == 0)
1587                                 errors_behavior = EXT2_ERRORS_RO;
1588                         else if (strcmp(optarg, "panic") == 0)
1589                                 errors_behavior = EXT2_ERRORS_PANIC;
1590                         else {
1591                                 com_err(program_name, 0,
1592                                         _("bad error behavior - %s"),
1593                                         optarg);
1594                                 usage();
1595                         }
1596                         break;
1597                 case 'F':
1598                         force++;
1599                         break;
1600                 case 'g':
1601                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1602                         if (*tmp) {
1603                                 com_err(program_name, 0, "%s",
1604                                 _("Illegal number for blocks per group"));
1605                                 exit(1);
1606                         }
1607                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1608                                 com_err(program_name, 0, "%s",
1609                                 _("blocks per group must be multiple of 8"));
1610                                 exit(1);
1611                         }
1612                         break;
1613                 case 'G':
1614                         flex_bg_size = strtoul(optarg, &tmp, 0);
1615                         if (*tmp) {
1616                                 com_err(program_name, 0, "%s",
1617                                         _("Illegal number for flex_bg size"));
1618                                 exit(1);
1619                         }
1620                         if (flex_bg_size < 1 ||
1621                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1622                                 com_err(program_name, 0, "%s",
1623                                         _("flex_bg size must be a power of 2"));
1624                                 exit(1);
1625                         }
1626                         if (flex_bg_size > MAX_32_NUM) {
1627                                 com_err(program_name, 0,
1628                                 _("flex_bg size (%lu) must be less than"
1629                                 " or equal to 2^31"), flex_bg_size);
1630                                 exit(1);
1631                         }
1632                         break;
1633                 case 'i':
1634                         inode_ratio = parse_num_blocks(optarg, -1);
1635                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1636                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1637                                 com_err(program_name, 0,
1638                                         _("invalid inode ratio %s (min %d/max %d)"),
1639                                         optarg, EXT2_MIN_BLOCK_SIZE,
1640                                         EXT2_MAX_BLOCK_SIZE * 1024);
1641                                 exit(1);
1642                         }
1643                         break;
1644                 case 'I':
1645                         inode_size = strtoul(optarg, &tmp, 0);
1646                         if (*tmp) {
1647                                 com_err(program_name, 0,
1648                                         _("invalid inode size - %s"), optarg);
1649                                 exit(1);
1650                         }
1651                         break;
1652                 case 'j':
1653                         if (!journal_size)
1654                                 journal_size = -1;
1655                         break;
1656                 case 'J':
1657                         parse_journal_opts(optarg);
1658                         break;
1659                 case 'K':
1660                         fprintf(stderr, "%s",
1661                                 _("Warning: -K option is deprecated and "
1662                                   "should not be used anymore. Use "
1663                                   "\'-E nodiscard\' extended option "
1664                                   "instead!\n"));
1665                         discard = 0;
1666                         break;
1667                 case 'l':
1668                         bad_blocks_filename = realloc(bad_blocks_filename,
1669                                                       strlen(optarg) + 1);
1670                         if (!bad_blocks_filename) {
1671                                 com_err(program_name, ENOMEM, "%s",
1672                                         _("in malloc for bad_blocks_filename"));
1673                                 exit(1);
1674                         }
1675                         strcpy(bad_blocks_filename, optarg);
1676                         break;
1677                 case 'L':
1678                         volume_label = optarg;
1679                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1680                                 volume_label[EXT2_LABEL_LEN] = '\0';
1681                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1682                                         volume_label);
1683                         }
1684                         break;
1685                 case 'm':
1686                         reserved_ratio = strtod(optarg, &tmp);
1687                         if ( *tmp || reserved_ratio > 50 ||
1688                              reserved_ratio < 0) {
1689                                 com_err(program_name, 0,
1690                                         _("invalid reserved blocks percent - %s"),
1691                                         optarg);
1692                                 exit(1);
1693                         }
1694                         break;
1695                 case 'M':
1696                         mount_dir = optarg;
1697                         break;
1698                 case 'n':
1699                         noaction++;
1700                         break;
1701                 case 'N':
1702                         num_inodes = strtoul(optarg, &tmp, 0);
1703                         if (*tmp) {
1704                                 com_err(program_name, 0,
1705                                         _("bad num inodes - %s"), optarg);
1706                                         exit(1);
1707                         }
1708                         break;
1709                 case 'o':
1710                         creator_os = optarg;
1711                         break;
1712                 case 'O':
1713                         retval = ext2fs_resize_mem(fs_features_size,
1714                                    fs_features_size + 1 + strlen(optarg),
1715                                                    &fs_features);
1716                         if (retval) {
1717                                 com_err(program_name, retval,
1718                                      _("while allocating fs_feature string"));
1719                                 exit(1);
1720                         }
1721                         if (fs_features_size)
1722                                 strcat(fs_features, ",");
1723                         else
1724                                 fs_features[0] = 0;
1725                         strcat(fs_features, optarg);
1726                         fs_features_size += 1 + strlen(optarg);
1727                         break;
1728                 case 'q':
1729                         quiet = 1;
1730                         break;
1731                 case 'r':
1732                         r_opt = strtoul(optarg, &tmp, 0);
1733                         if (*tmp) {
1734                                 com_err(program_name, 0,
1735                                         _("bad revision level - %s"), optarg);
1736                                 exit(1);
1737                         }
1738                         if (r_opt > EXT2_MAX_SUPP_REV) {
1739                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1740                                         _("while trying to create revision %d"), r_opt);
1741                                 exit(1);
1742                         }
1743                         fs_param.s_rev_level = r_opt;
1744                         break;
1745                 case 's':       /* deprecated */
1746                         s_opt = atoi(optarg);
1747                         break;
1748                 case 'S':
1749                         super_only = 1;
1750                         break;
1751                 case 't':
1752                         if (fs_type) {
1753                                 com_err(program_name, 0, "%s",
1754                                     _("The -t option may only be used once"));
1755                                 exit(1);
1756                         }
1757                         fs_type = strdup(optarg);
1758                         break;
1759                 case 'T':
1760                         if (usage_types) {
1761                                 com_err(program_name, 0, "%s",
1762                                     _("The -T option may only be used once"));
1763                                 exit(1);
1764                         }
1765                         usage_types = strdup(optarg);
1766                         break;
1767                 case 'U':
1768                         fs_uuid = optarg;
1769                         break;
1770                 case 'v':
1771                         verbose = 1;
1772                         break;
1773                 case 'V':
1774                         /* Print version number and exit */
1775                         show_version_only++;
1776                         break;
1777                 case 'z':
1778                         undo_file = optarg;
1779                         break;
1780                 default:
1781                         usage();
1782                 }
1783         }
1784         if ((optind == argc) && !show_version_only)
1785                 usage();
1786         device_name = argv[optind++];
1787
1788         if (!quiet || show_version_only)
1789                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1790                          E2FSPROGS_DATE);
1791
1792         if (show_version_only) {
1793                 fprintf(stderr, _("\tUsing %s\n"),
1794                         error_message(EXT2_ET_BASE));
1795                 exit(0);
1796         }
1797
1798         /*
1799          * If there's no blocksize specified and there is a journal
1800          * device, use it to figure out the blocksize
1801          */
1802         if (blocksize <= 0 && journal_device) {
1803                 ext2_filsys     jfs;
1804                 io_manager      io_ptr;
1805
1806 #ifdef CONFIG_TESTIO_DEBUG
1807                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1808                         io_ptr = test_io_manager;
1809                         test_io_backing_manager = unix_io_manager;
1810                 } else
1811 #endif
1812                         io_ptr = unix_io_manager;
1813                 retval = ext2fs_open(journal_device,
1814                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1815                                      0, io_ptr, &jfs);
1816                 if (retval) {
1817                         com_err(program_name, retval,
1818                                 _("while trying to open journal device %s\n"),
1819                                 journal_device);
1820                         exit(1);
1821                 }
1822                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1823                         com_err(program_name, 0,
1824                                 _("Journal dev blocksize (%d) smaller than "
1825                                   "minimum blocksize %d\n"), jfs->blocksize,
1826                                 -blocksize);
1827                         exit(1);
1828                 }
1829                 blocksize = jfs->blocksize;
1830                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1831                 fs_param.s_log_block_size =
1832                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1833                 ext2fs_close_free(&jfs);
1834         }
1835
1836         if (optind < argc) {
1837                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1838                                                    fs_param.s_log_block_size);
1839                 if (!fs_blocks_count) {
1840                         com_err(program_name, 0,
1841                                 _("invalid blocks '%s' on device '%s'"),
1842                                 argv[optind - 1], device_name);
1843                         exit(1);
1844                 }
1845         }
1846         if (optind < argc)
1847                 usage();
1848
1849         profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1850                             &sync_kludge);
1851         tmp = getenv("MKE2FS_SYNC");
1852         if (tmp)
1853                 sync_kludge = atoi(tmp);
1854
1855         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1856                             &proceed_delay);
1857
1858         /* The isatty() test is so we don't break existing scripts */
1859         flags = CREATE_FILE;
1860         if (isatty(0) && isatty(1) && !offset)
1861                 flags |= CHECK_FS_EXIST;
1862         if (!quiet)
1863                 flags |= VERBOSE_CREATE;
1864         if (fs_blocks_count == 0)
1865                 flags |= NO_SIZE;
1866         else
1867                 explicit_fssize = 1;
1868         if (!check_plausibility(device_name, flags, &is_device) && !force)
1869                 proceed_question(proceed_delay);
1870
1871         check_mount(device_name, force, _("filesystem"));
1872
1873         /* Determine the size of the device (if possible) */
1874         if (noaction && fs_blocks_count) {
1875                 dev_size = fs_blocks_count;
1876                 retval = 0;
1877         } else
1878 #ifndef _WIN32
1879                 retval = ext2fs_get_device_size2(device_name,
1880                                                  EXT2_BLOCK_SIZE(&fs_param),
1881                                                  &dev_size);
1882 #else
1883                 retval = ext2fs_get_device_size(device_name,
1884                                                 EXT2_BLOCK_SIZE(&fs_param),
1885                                                 &dev_size);
1886 #endif
1887         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1888                 com_err(program_name, retval, "%s",
1889                         _("while trying to determine filesystem size"));
1890                 exit(1);
1891         }
1892         if (!fs_blocks_count) {
1893                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1894                         com_err(program_name, 0, "%s",
1895                                 _("Couldn't determine device size; you "
1896                                 "must specify\nthe size of the "
1897                                 "filesystem\n"));
1898                         exit(1);
1899                 } else {
1900                         if (dev_size == 0) {
1901                                 com_err(program_name, 0, "%s",
1902                                 _("Device size reported to be zero.  "
1903                                   "Invalid partition specified, or\n\t"
1904                                   "partition table wasn't reread "
1905                                   "after running fdisk, due to\n\t"
1906                                   "a modified partition being busy "
1907                                   "and in use.  You may need to reboot\n\t"
1908                                   "to re-read your partition table.\n"
1909                                   ));
1910                                 exit(1);
1911                         }
1912                         fs_blocks_count = dev_size;
1913                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1914                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1915                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1916                 }
1917         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1918                 com_err(program_name, 0, "%s",
1919                         _("Filesystem larger than apparent device size."));
1920                 proceed_question(proceed_delay);
1921         }
1922
1923         if (!fs_type)
1924                 profile_get_string(profile, "devices", device_name,
1925                                    "fs_type", 0, &fs_type);
1926         if (!usage_types)
1927                 profile_get_string(profile, "devices", device_name,
1928                                    "usage_types", 0, &usage_types);
1929
1930         /*
1931          * We have the file system (or device) size, so we can now
1932          * determine the appropriate file system types so the fs can
1933          * be appropriately configured.
1934          */
1935         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1936                                  fs_blocks_count ? fs_blocks_count : dev_size,
1937                                  argv[0]);
1938         if (!fs_types) {
1939                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1940                 exit(1);
1941         }
1942
1943         /* Figure out what features should be enabled */
1944
1945         tmp = NULL;
1946         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1947                 tmp = get_string_from_profile(fs_types, "base_features",
1948                       "sparse_super,large_file,filetype,resize_inode,dir_index");
1949                 edit_feature(tmp, &fs_param.s_feature_compat);
1950                 free(tmp);
1951
1952                 /* And which mount options as well */
1953                 tmp = get_string_from_profile(fs_types, "default_mntopts",
1954                                               "acl,user_xattr");
1955                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
1956                 if (tmp)
1957                         free(tmp);
1958
1959                 for (cpp = fs_types; *cpp; cpp++) {
1960                         tmp = NULL;
1961                         profile_get_string(profile, "fs_types", *cpp,
1962                                            "features", "", &tmp);
1963                         if (tmp && *tmp)
1964                                 edit_feature(tmp, &fs_param.s_feature_compat);
1965                         if (tmp)
1966                                 free(tmp);
1967                 }
1968                 tmp = get_string_from_profile(fs_types, "default_features",
1969                                               "");
1970         }
1971         /* Mask off features which aren't supported by the Hurd */
1972         if (for_hurd(creator_os)) {
1973                 ext2fs_clear_feature_filetype(&fs_param);
1974                 ext2fs_clear_feature_huge_file(&fs_param);
1975                 ext2fs_clear_feature_metadata_csum(&fs_param);
1976                 ext2fs_clear_feature_ea_inode(&fs_param);
1977         }
1978         edit_feature(fs_features ? fs_features : tmp,
1979                      &fs_param.s_feature_compat);
1980         if (tmp)
1981                 free(tmp);
1982         (void) ext2fs_free_mem(&fs_features);
1983         /*
1984          * If the user specified features incompatible with the Hurd, complain
1985          */
1986         if (for_hurd(creator_os)) {
1987                 if (ext2fs_has_feature_filetype(&fs_param)) {
1988                         fprintf(stderr, "%s", _("The HURD does not support the "
1989                                                 "filetype feature.\n"));
1990                         exit(1);
1991                 }
1992                 if (ext2fs_has_feature_huge_file(&fs_param)) {
1993                         fprintf(stderr, "%s", _("The HURD does not support the "
1994                                                 "huge_file feature.\n"));
1995                         exit(1);
1996                 }
1997                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
1998                         fprintf(stderr, "%s", _("The HURD does not support the "
1999                                                 "metadata_csum feature.\n"));
2000                         exit(1);
2001                 }
2002                 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2003                         fprintf(stderr, "%s", _("The HURD does not support the "
2004                                                 "ea_inode feature.\n"));
2005                         exit(1);
2006                 }
2007         }
2008
2009         /* Get the hardware sector sizes, if available */
2010         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2011         if (retval) {
2012                 com_err(program_name, retval, "%s",
2013                         _("while trying to determine hardware sector size"));
2014                 exit(1);
2015         }
2016         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2017         if (retval) {
2018                 com_err(program_name, retval, "%s",
2019                         _("while trying to determine physical sector size"));
2020                 exit(1);
2021         }
2022
2023         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2024         if (tmp != NULL)
2025                 lsector_size = atoi(tmp);
2026         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2027         if (tmp != NULL)
2028                 psector_size = atoi(tmp);
2029
2030         /* Older kernels may not have physical/logical distinction */
2031         if (!psector_size)
2032                 psector_size = lsector_size;
2033
2034         if (blocksize <= 0) {
2035                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2036
2037                 if (use_bsize == -1) {
2038                         use_bsize = sys_page_size;
2039                         if (ext2fs_is_before_linux_ver(2, 6, 0) &&
2040                             use_bsize > 4096)
2041                                 use_bsize = 4096;
2042                 }
2043                 if (lsector_size && use_bsize < lsector_size)
2044                         use_bsize = lsector_size;
2045                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2046                         use_bsize = -blocksize;
2047                 blocksize = use_bsize;
2048                 fs_blocks_count /= (blocksize / 1024);
2049         } else {
2050                 if (blocksize < lsector_size) {                 /* Impossible */
2051                         com_err(program_name, EINVAL, "%s",
2052                                 _("while setting blocksize; too small "
2053                                   "for device\n"));
2054                         exit(1);
2055                 } else if ((blocksize < psector_size) &&
2056                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2057                         fprintf(stderr, _("Warning: specified blocksize %d is "
2058                                 "less than device physical sectorsize %d\n"),
2059                                 blocksize, psector_size);
2060                 }
2061         }
2062
2063         fs_param.s_log_block_size =
2064                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2065
2066         /*
2067          * We now need to do a sanity check of fs_blocks_count for
2068          * 32-bit vs 64-bit block number support.
2069          */
2070         if ((fs_blocks_count > MAX_32_NUM) &&
2071             ext2fs_has_feature_64bit(&fs_param))
2072                 ext2fs_clear_feature_resize_inode(&fs_param);
2073         if ((fs_blocks_count > MAX_32_NUM) &&
2074             !ext2fs_has_feature_64bit(&fs_param) &&
2075             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2076                 ext2fs_set_feature_64bit(&fs_param);
2077                 ext2fs_clear_feature_resize_inode(&fs_param);
2078         }
2079         if ((fs_blocks_count > MAX_32_NUM) &&
2080             !ext2fs_has_feature_64bit(&fs_param)) {
2081                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2082                                   "too big to be expressed\n\t"
2083                                   "in 32 bits using a blocksize of %d.\n"),
2084                         program_name, fs_blocks_count, device_name,
2085                         EXT2_BLOCK_SIZE(&fs_param));
2086                 exit(1);
2087         }
2088         /*
2089          * Guard against group descriptor count overflowing... Mostly to avoid
2090          * strange results for absurdly large devices.
2091          */
2092         if (fs_blocks_count > ((1ULL << (fs_param.s_log_block_size + 3 + 32)) - 1)) {
2093                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2094                                   "too big to create\n\t"
2095                                   "a filesystem using a blocksize of %d.\n"),
2096                         program_name, fs_blocks_count, device_name,
2097                         EXT2_BLOCK_SIZE(&fs_param));
2098                 exit(1);
2099         }
2100
2101         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2102
2103         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2104                 int i;
2105
2106                 for (i=0; fs_types[i]; i++) {
2107                         free(fs_types[i]);
2108                         fs_types[i] = 0;
2109                 }
2110                 fs_types[0] = strdup("journal");
2111                 fs_types[1] = 0;
2112         }
2113
2114         if (verbose) {
2115                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2116                 print_str_list(fs_types);
2117         }
2118
2119         if (r_opt == EXT2_GOOD_OLD_REV &&
2120             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2121              fs_param.s_feature_ro_compat)) {
2122                 fprintf(stderr, "%s", _("Filesystem features not supported "
2123                                         "with revision 0 filesystems\n"));
2124                 exit(1);
2125         }
2126
2127         if (s_opt > 0) {
2128                 if (r_opt == EXT2_GOOD_OLD_REV) {
2129                         fprintf(stderr, "%s",
2130                                 _("Sparse superblocks not supported "
2131                                   "with revision 0 filesystems\n"));
2132                         exit(1);
2133                 }
2134                 ext2fs_set_feature_sparse_super(&fs_param);
2135         } else if (s_opt == 0)
2136                 ext2fs_clear_feature_sparse_super(&fs_param);
2137
2138         if (journal_size != 0) {
2139                 if (r_opt == EXT2_GOOD_OLD_REV) {
2140                         fprintf(stderr, "%s", _("Journals not supported with "
2141                                                 "revision 0 filesystems\n"));
2142                         exit(1);
2143                 }
2144                 ext2fs_set_feature_journal(&fs_param);
2145         }
2146
2147         /* Get reserved_ratio from profile if not specified on cmd line. */
2148         if (reserved_ratio < 0.0) {
2149                 reserved_ratio = get_double_from_profile(
2150                                         fs_types, "reserved_ratio", 5.0);
2151                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2152                         com_err(program_name, 0,
2153                                 _("invalid reserved blocks percent - %lf"),
2154                                 reserved_ratio);
2155                         exit(1);
2156                 }
2157         }
2158
2159         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2160                 reserved_ratio = 0;
2161                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2162                 fs_param.s_feature_compat = 0;
2163                 fs_param.s_feature_ro_compat &=
2164                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2165         }
2166
2167         /* Check the user's mkfs options for 64bit */
2168         if (ext2fs_has_feature_64bit(&fs_param) &&
2169             !ext2fs_has_feature_extents(&fs_param)) {
2170                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2171                                "filesystem.  Pass -O extents to rectify.\n"));
2172                 exit(1);
2173         }
2174
2175         /* Set first meta blockgroup via an environment variable */
2176         /* (this is mostly for debugging purposes) */
2177         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2178             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2179                 fs_param.s_first_meta_bg = atoi(tmp);
2180         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2181                 if (!cluster_size)
2182                         cluster_size = get_int_from_profile(fs_types,
2183                                                             "cluster_size",
2184                                                             blocksize*16);
2185                 fs_param.s_log_cluster_size =
2186                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2187                 if (fs_param.s_log_cluster_size &&
2188                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2189                         com_err(program_name, 0, "%s",
2190                                 _("The cluster size may not be "
2191                                   "smaller than the block size.\n"));
2192                         exit(1);
2193                 }
2194         } else if (cluster_size) {
2195                 com_err(program_name, 0, "%s",
2196                         _("specifying a cluster size requires the "
2197                           "bigalloc feature"));
2198                 exit(1);
2199         } else
2200                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2201
2202         if (inode_ratio == 0) {
2203                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2204                                                    8192);
2205                 if (inode_ratio < blocksize)
2206                         inode_ratio = blocksize;
2207                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2208                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2209         }
2210
2211 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2212         retval = get_device_geometry(device_name, &fs_param,
2213                                      (unsigned int) psector_size);
2214         if (retval < 0) {
2215                 fprintf(stderr,
2216                         _("warning: Unable to get device geometry for %s\n"),
2217                         device_name);
2218         } else if (retval) {
2219                 printf(_("%s alignment is offset by %lu bytes.\n"),
2220                        device_name, retval);
2221                 printf(_("This may result in very poor performance, "
2222                           "(re)-partitioning suggested.\n"));
2223         }
2224 #endif
2225
2226         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2227
2228         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2229
2230         /*
2231          * Initialize s_desc_size so that the parse_extended_opts()
2232          * can correctly handle "-E resize=NNN" if the 64-bit option
2233          * is set.
2234          */
2235         if (ext2fs_has_feature_64bit(&fs_param))
2236                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2237
2238         /* This check should happen beyond the last assignment to blocksize */
2239         if (blocksize > sys_page_size) {
2240                 if (!force) {
2241                         com_err(program_name, 0,
2242                                 _("%d-byte blocks too big for system (max %d)"),
2243                                 blocksize, sys_page_size);
2244                         proceed_question(proceed_delay);
2245                 }
2246                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2247                                   "(max %d), forced to continue\n"),
2248                         blocksize, sys_page_size);
2249         }
2250
2251         /* Metadata checksumming wasn't totally stable before 3.18. */
2252         if (ext2fs_is_before_linux_ver(3, 18, 0) &&
2253             ext2fs_has_feature_metadata_csum(&fs_param))
2254                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2255                         "improved stability of the metadata and journal "
2256                         "checksum features.\n"));
2257
2258         /*
2259          * On newer kernels we do have lazy_itable_init support. So pick the
2260          * right default in case ext4 module is not loaded.
2261          */
2262         if (ext2fs_is_before_linux_ver(2, 6, 37))
2263                 lazy_itable_init = 0;
2264         else
2265                 lazy_itable_init = 1;
2266
2267         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2268                 lazy_itable_init = 1;
2269
2270         lazy_itable_init = get_bool_from_profile(fs_types,
2271                                                  "lazy_itable_init",
2272                                                  lazy_itable_init);
2273         discard = get_bool_from_profile(fs_types, "discard" , discard);
2274         journal_flags |= get_bool_from_profile(fs_types,
2275                                                "lazy_journal_init", 0) ?
2276                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2277         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2278
2279         if (!journal_location_string)
2280                 journal_location_string = get_string_from_profile(fs_types,
2281                                                 "journal_location", "");
2282         if ((journal_location == ~0ULL) && journal_location_string &&
2283             *journal_location_string)
2284                 journal_location = parse_num_blocks2(journal_location_string,
2285                                                 fs_param.s_log_block_size);
2286         free(journal_location_string);
2287
2288         packed_meta_blocks = get_bool_from_profile(fs_types,
2289                                                    "packed_meta_blocks", 0);
2290         if (packed_meta_blocks)
2291                 journal_location = 0;
2292
2293         /* Get options from profile */
2294         for (cpp = fs_types; *cpp; cpp++) {
2295                 tmp = NULL;
2296                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2297                         if (tmp && *tmp)
2298                                 parse_extended_opts(&fs_param, tmp);
2299                         free(tmp);
2300         }
2301
2302         if (extended_opts)
2303                 parse_extended_opts(&fs_param, extended_opts);
2304
2305         if (explicit_fssize == 0 && offset > 0) {
2306                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2307                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2308                 fprintf(stderr,
2309                         _("\nWarning: offset specified without an "
2310                           "explicit file system size.\n"
2311                           "Creating a file system with %llu blocks "
2312                           "but this might\n"
2313                           "not be what you want.\n\n"),
2314                         (unsigned long long) fs_blocks_count);
2315         }
2316
2317         if (quotatype_bits & QUOTA_PRJ_BIT)
2318                 ext2fs_set_feature_project(&fs_param);
2319
2320         if (ext2fs_has_feature_project(&fs_param)) {
2321                 quotatype_bits |= QUOTA_PRJ_BIT;
2322                 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2323                         com_err(program_name, 0,
2324                                 _("%d byte inodes are too small for "
2325                                   "project quota"),
2326                                 inode_size);
2327                         exit(1);
2328                 }
2329                 if (inode_size == 0) {
2330                         inode_size = get_int_from_profile(fs_types,
2331                                                           "inode_size", 0);
2332                         if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2333                                 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2334                 }
2335         }
2336
2337         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2338         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2339             ext2fs_has_feature_gdt_csum(&fs_param))
2340                 ext2fs_clear_feature_gdt_csum(&fs_param);
2341
2342         /* Can't support bigalloc feature without extents feature */
2343         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2344             !ext2fs_has_feature_extents(&fs_param)) {
2345                 com_err(program_name, 0, "%s",
2346                         _("Can't support bigalloc feature without "
2347                           "extents feature"));
2348                 exit(1);
2349         }
2350
2351         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2352             ext2fs_has_feature_resize_inode(&fs_param)) {
2353                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2354                                         "features are not compatible.\n"
2355                                         "They can not be both enabled "
2356                                         "simultaneously.\n"));
2357                 exit(1);
2358         }
2359
2360         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2361                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2362                                   "still under development\n"
2363                                   "See https://ext4.wiki.kernel.org/"
2364                                   "index.php/Bigalloc for more information\n\n"));
2365
2366         /*
2367          * Since sparse_super is the default, we would only have a problem
2368          * here if it was explicitly disabled.
2369          */
2370         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2371             !ext2fs_has_feature_sparse_super(&fs_param)) {
2372                 com_err(program_name, 0, "%s",
2373                         _("reserved online resize blocks not supported "
2374                           "on non-sparse filesystem"));
2375                 exit(1);
2376         }
2377
2378         if (fs_param.s_blocks_per_group) {
2379                 if (fs_param.s_blocks_per_group < 256 ||
2380                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2381                         com_err(program_name, 0, "%s",
2382                                 _("blocks per group count out of range"));
2383                         exit(1);
2384                 }
2385         }
2386
2387         /*
2388          * If the bigalloc feature is enabled, then the -g option will
2389          * specify the number of clusters per group.
2390          */
2391         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2392                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2393                 fs_param.s_blocks_per_group = 0;
2394         }
2395
2396         if (inode_size == 0)
2397                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2398         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2399                 flex_bg_size = get_uint_from_profile(fs_types,
2400                                                      "flex_bg_size", 16);
2401         if (flex_bg_size) {
2402                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2403                         com_err(program_name, 0, "%s",
2404                                 _("Flex_bg feature not enabled, so "
2405                                   "flex_bg size may not be specified"));
2406                         exit(1);
2407                 }
2408                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2409         }
2410
2411         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2412                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2413                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2414                     inode_size & (inode_size - 1)) {
2415                         com_err(program_name, 0,
2416                                 _("invalid inode size %d (min %d/max %d)"),
2417                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2418                                 blocksize);
2419                         exit(1);
2420                 }
2421                 fs_param.s_inode_size = inode_size;
2422         }
2423
2424         /*
2425          * If inode size is 128 and inline data is enabled, we need
2426          * to notify users that inline data will never be useful.
2427          */
2428         if (ext2fs_has_feature_inline_data(&fs_param) &&
2429             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2430                 com_err(program_name, 0,
2431                         _("%d byte inodes are too small for inline data; "
2432                           "specify larger size"),
2433                         fs_param.s_inode_size);
2434                 exit(1);
2435         }
2436
2437         /* Make sure number of inodes specified will fit in 32 bits */
2438         if (num_inodes == 0) {
2439                 unsigned long long n;
2440                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2441                 if (n > MAX_32_NUM) {
2442                         num_inodes = MAX_32_NUM;
2443                         if (!ext2fs_has_feature_64bit(&fs_param))
2444                                 com_err(program_name, 0,
2445                                         _("too many inodes (%llu), reduced to "
2446                                           "%llu"), n, MAX_32_NUM);
2447                 }
2448         } else if (num_inodes > MAX_32_NUM) {
2449                 com_err(program_name, 0,
2450                         _("too many inodes (%llu), specify < 2^32 inodes"),
2451                           num_inodes);
2452                 exit(1);
2453         }
2454         /*
2455          * Calculate number of inodes based on the inode ratio
2456          */
2457         fs_param.s_inodes_count = num_inodes ? num_inodes :
2458                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2459
2460         if ((((unsigned long long)fs_param.s_inodes_count) *
2461              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2462             ((ext2fs_blocks_count(&fs_param)) *
2463              EXT2_BLOCK_SIZE(&fs_param))) {
2464                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2465                                           "(%u) too big for a\n\t"
2466                                           "filesystem with %llu blocks, "
2467                                           "specify higher inode_ratio (-i)\n\t"
2468                                           "or lower inode count (-N).\n"),
2469                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2470                         fs_param.s_inodes_count,
2471                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2472                 exit(1);
2473         }
2474
2475         /*
2476          * Calculate number of blocks to reserve
2477          */
2478         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2479                                   ext2fs_blocks_count(&fs_param) / 100.0);
2480
2481         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2482                 if (num_backups >= 1)
2483                         fs_param.s_backup_bgs[0] = 1;
2484                 if (num_backups >= 2)
2485                         fs_param.s_backup_bgs[1] = ~0;
2486         }
2487
2488         free(fs_type);
2489         free(usage_types);
2490 }
2491
2492 static int should_do_undo(const char *name)
2493 {
2494         errcode_t retval;
2495         io_channel channel;
2496         __u16   s_magic;
2497         struct ext2_super_block super;
2498         io_manager manager = unix_io_manager;
2499         int csum_flag, force_undo;
2500
2501         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2502                     ext2fs_has_feature_gdt_csum(&fs_param);
2503         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2504         if (!force_undo && (!csum_flag || !lazy_itable_init))
2505                 return 0;
2506
2507         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2508         if (retval) {
2509                 /*
2510                  * We don't handle error cases instead we
2511                  * declare that the file system doesn't exist
2512                  * and let the rest of mke2fs take care of
2513                  * error
2514                  */
2515                 retval = 0;
2516                 goto open_err_out;
2517         }
2518
2519         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2520         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2521         if (retval) {
2522                 retval = 0;
2523                 goto err_out;
2524         }
2525
2526 #if defined(WORDS_BIGENDIAN)
2527         s_magic = ext2fs_swab16(super.s_magic);
2528 #else
2529         s_magic = super.s_magic;
2530 #endif
2531
2532         if (s_magic == EXT2_SUPER_MAGIC)
2533                 retval = 1;
2534
2535 err_out:
2536         io_channel_close(channel);
2537
2538 open_err_out:
2539
2540         return retval;
2541 }
2542
2543 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2544 {
2545         errcode_t retval = ENOMEM;
2546         char *tdb_dir = NULL, *tdb_file = NULL;
2547         char *dev_name, *tmp_name;
2548         int free_tdb_dir = 0;
2549
2550         /* (re)open a specific undo file */
2551         if (undo_file && undo_file[0] != 0) {
2552                 retval = set_undo_io_backing_manager(*io_ptr);
2553                 if (retval)
2554                         goto err;
2555                 *io_ptr = undo_io_manager;
2556                 retval = set_undo_io_backup_file(undo_file);
2557                 if (retval)
2558                         goto err;
2559                 printf(_("Overwriting existing filesystem; this can be undone "
2560                          "using the command:\n"
2561                          "    e2undo %s %s\n\n"), undo_file, name);
2562                 return retval;
2563         }
2564
2565         /*
2566          * Configuration via a conf file would be
2567          * nice
2568          */
2569         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2570         if (!tdb_dir) {
2571                 profile_get_string(profile, "defaults",
2572                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2573                                    &tdb_dir);
2574                 free_tdb_dir = 1;
2575         }
2576
2577         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2578             access(tdb_dir, W_OK)) {
2579                 if (free_tdb_dir)
2580                         free(tdb_dir);
2581                 return 0;
2582         }
2583
2584         tmp_name = strdup(name);
2585         if (!tmp_name)
2586                 goto errout;
2587         dev_name = basename(tmp_name);
2588         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2589         if (!tdb_file) {
2590                 free(tmp_name);
2591                 goto errout;
2592         }
2593         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2594         free(tmp_name);
2595
2596         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2597                 retval = errno;
2598                 com_err(program_name, retval,
2599                         _("while trying to delete %s"), tdb_file);
2600                 goto errout;
2601         }
2602
2603         retval = set_undo_io_backing_manager(*io_ptr);
2604         if (retval)
2605                 goto errout;
2606         *io_ptr = undo_io_manager;
2607         retval = set_undo_io_backup_file(tdb_file);
2608         if (retval)
2609                 goto errout;
2610         printf(_("Overwriting existing filesystem; this can be undone "
2611                  "using the command:\n"
2612                  "    e2undo %s %s\n\n"), tdb_file, name);
2613
2614         if (free_tdb_dir)
2615                 free(tdb_dir);
2616         free(tdb_file);
2617         return 0;
2618
2619 errout:
2620         if (free_tdb_dir)
2621                 free(tdb_dir);
2622         free(tdb_file);
2623 err:
2624         com_err(program_name, retval, "%s",
2625                 _("while trying to setup undo file\n"));
2626         return retval;
2627 }
2628
2629 static int mke2fs_discard_device(ext2_filsys fs)
2630 {
2631         struct ext2fs_numeric_progress_struct progress;
2632         blk64_t blocks = ext2fs_blocks_count(fs->super);
2633         blk64_t count = DISCARD_STEP_MB;
2634         blk64_t cur;
2635         int retval = 0;
2636
2637         /*
2638          * Let's try if discard really works on the device, so
2639          * we do not print numeric progress resulting in failure
2640          * afterwards.
2641          */
2642         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2643         if (retval)
2644                 return retval;
2645         cur = fs->blocksize;
2646
2647         count *= (1024 * 1024);
2648         count /= fs->blocksize;
2649
2650         ext2fs_numeric_progress_init(fs, &progress,
2651                                      _("Discarding device blocks: "),
2652                                      blocks);
2653         while (cur < blocks) {
2654                 ext2fs_numeric_progress_update(fs, &progress, cur);
2655
2656                 if (cur + count > blocks)
2657                         count = blocks - cur;
2658
2659                 retval = io_channel_discard(fs->io, cur, count);
2660                 if (retval)
2661                         break;
2662                 cur += count;
2663         }
2664
2665         if (retval) {
2666                 ext2fs_numeric_progress_close(fs, &progress,
2667                                       _("failed - "));
2668                 if (!quiet)
2669                         printf("%s\n",error_message(retval));
2670         } else
2671                 ext2fs_numeric_progress_close(fs, &progress,
2672                                       _("done                            \n"));
2673
2674         return retval;
2675 }
2676
2677 static void fix_cluster_bg_counts(ext2_filsys fs)
2678 {
2679         blk64_t         block, num_blocks, last_block, next;
2680         blk64_t         tot_free = 0;
2681         errcode_t       retval;
2682         dgrp_t          group = 0;
2683         int             grp_free = 0;
2684
2685         num_blocks = ext2fs_blocks_count(fs->super);
2686         last_block = ext2fs_group_last_block2(fs, group);
2687         block = fs->super->s_first_data_block;
2688         while (block < num_blocks) {
2689                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2690                                                 block, last_block, &next);
2691                 if (retval == 0)
2692                         block = next;
2693                 else {
2694                         block = last_block + 1;
2695                         goto next_bg;
2696                 }
2697
2698                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2699                                                 block, last_block, &next);
2700                 if (retval)
2701                         next = last_block + 1;
2702                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2703                 tot_free += next - block;
2704                 block = next;
2705
2706                 if (block > last_block) {
2707                 next_bg:
2708                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2709                         ext2fs_group_desc_csum_set(fs, group);
2710                         grp_free = 0;
2711                         group++;
2712                         last_block = ext2fs_group_last_block2(fs, group);
2713                 }
2714         }
2715         ext2fs_free_blocks_count_set(fs->super, tot_free);
2716 }
2717
2718 static int create_quota_inodes(ext2_filsys fs)
2719 {
2720         quota_ctx_t qctx;
2721         errcode_t retval;
2722
2723         retval = quota_init_context(&qctx, fs, quotatype_bits);
2724         if (retval) {
2725                 com_err(program_name, retval,
2726                         _("while initializing quota context"));
2727                 exit(1);
2728         }
2729         quota_compute_usage(qctx);
2730         retval = quota_write_inode(qctx, quotatype_bits);
2731         if (retval) {
2732                 com_err(program_name, retval,
2733                         _("while writing quota inodes"));
2734                 exit(1);
2735         }
2736         quota_release_context(&qctx);
2737
2738         return 0;
2739 }
2740
2741 static errcode_t set_error_behavior(ext2_filsys fs)
2742 {
2743         char    *arg = NULL;
2744         short   errors = fs->super->s_errors;
2745
2746         arg = get_string_from_profile(fs_types, "errors", NULL);
2747         if (arg == NULL)
2748                 goto try_user;
2749
2750         if (strcmp(arg, "continue") == 0)
2751                 errors = EXT2_ERRORS_CONTINUE;
2752         else if (strcmp(arg, "remount-ro") == 0)
2753                 errors = EXT2_ERRORS_RO;
2754         else if (strcmp(arg, "panic") == 0)
2755                 errors = EXT2_ERRORS_PANIC;
2756         else {
2757                 com_err(program_name, 0,
2758                         _("bad error behavior in profile - %s"),
2759                         arg);
2760                 free(arg);
2761                 return EXT2_ET_INVALID_ARGUMENT;
2762         }
2763         free(arg);
2764
2765 try_user:
2766         if (errors_behavior)
2767                 errors = errors_behavior;
2768
2769         fs->super->s_errors = errors;
2770         return 0;
2771 }
2772
2773 int main (int argc, char *argv[])
2774 {
2775         errcode_t       retval = 0;
2776         ext2_filsys     fs;
2777         badblocks_list  bb_list = 0;
2778         unsigned int    journal_blocks = 0;
2779         unsigned int    i, checkinterval;
2780         int             max_mnt_count;
2781         int             val, hash_alg;
2782         int             flags;
2783         int             old_bitmaps;
2784         io_manager      io_ptr;
2785         char            opt_string[40];
2786         char            *hash_alg_str;
2787         int             itable_zeroed = 0;
2788
2789 #ifdef ENABLE_NLS
2790         setlocale(LC_MESSAGES, "");
2791         setlocale(LC_CTYPE, "");
2792         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2793         textdomain(NLS_CAT_NAME);
2794         set_com_err_gettext(gettext);
2795 #endif
2796         PRS(argc, argv);
2797
2798 #ifdef CONFIG_TESTIO_DEBUG
2799         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2800                 io_ptr = test_io_manager;
2801                 test_io_backing_manager = unix_io_manager;
2802         } else
2803 #endif
2804                 io_ptr = unix_io_manager;
2805
2806         if (undo_file != NULL || should_do_undo(device_name)) {
2807                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2808                 if (retval)
2809                         exit(1);
2810         }
2811
2812         /*
2813          * Initialize the superblock....
2814          */
2815         flags = EXT2_FLAG_EXCLUSIVE;
2816         if (direct_io)
2817                 flags |= EXT2_FLAG_DIRECT_IO;
2818         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2819                             &old_bitmaps);
2820         if (!old_bitmaps)
2821                 flags |= EXT2_FLAG_64BITS;
2822         /*
2823          * By default, we print how many inode tables or block groups
2824          * or whatever we've written so far.  The quiet flag disables
2825          * this, along with a lot of other output.
2826          */
2827         if (!quiet)
2828                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2829         if (android_sparse_file) {
2830                 char *android_sparse_params = malloc(strlen(device_name) + 48);
2831
2832                 if (!android_sparse_params) {
2833                         com_err(program_name, ENOMEM, "%s",
2834                                 _("in malloc for android_sparse_params"));
2835                         exit(1);
2836                 }
2837                 sprintf(android_sparse_params, "(%s):%u:%u",
2838                          device_name, fs_param.s_blocks_count,
2839                          1024 << fs_param.s_log_block_size);
2840                 retval = ext2fs_initialize(android_sparse_params, flags,
2841                                            &fs_param, sparse_io_manager, &fs);
2842                 free(android_sparse_params);
2843         } else
2844                 retval = ext2fs_initialize(device_name, flags, &fs_param,
2845                                            io_ptr, &fs);
2846         if (retval) {
2847                 com_err(device_name, retval, "%s",
2848                         _("while setting up superblock"));
2849                 exit(1);
2850         }
2851         fs->progress_ops = &ext2fs_numeric_progress_ops;
2852
2853         /* Set the error behavior */
2854         retval = set_error_behavior(fs);
2855         if (retval)
2856                 usage();
2857
2858         /* Check the user's mkfs options for metadata checksumming */
2859         if (!quiet &&
2860             !ext2fs_has_feature_journal_dev(fs->super) &&
2861             ext2fs_has_feature_metadata_csum(fs->super)) {
2862                 if (!ext2fs_has_feature_extents(fs->super))
2863                         printf("%s",
2864                                _("Extents are not enabled.  The file extent "
2865                                  "tree can be checksummed, whereas block maps "
2866                                  "cannot.  Not enabling extents reduces the "
2867                                  "coverage of metadata checksumming.  "
2868                                  "Pass -O extents to rectify.\n"));
2869                 if (!ext2fs_has_feature_64bit(fs->super))
2870                         printf("%s",
2871                                _("64-bit filesystem support is not enabled.  "
2872                                  "The larger fields afforded by this feature "
2873                                  "enable full-strength checksumming.  "
2874                                  "Pass -O 64bit to rectify.\n"));
2875         }
2876
2877         if (ext2fs_has_feature_csum_seed(fs->super) &&
2878             !ext2fs_has_feature_metadata_csum(fs->super)) {
2879                 printf("%s", _("The metadata_csum_seed feature "
2880                                "requires the metadata_csum feature.\n"));
2881                 exit(1);
2882         }
2883
2884         if (ext2fs_has_feature_inline_data(fs->super) &&
2885             ext2fs_has_feature_dirdata(fs->super)) {
2886                 printf("%s", _("The dirdata feature can not enabled "
2887                                "with inline data feature.\n"));
2888                 exit(1);
2889         }
2890
2891         /* Calculate journal blocks */
2892         if (!journal_device && ((journal_size) ||
2893             ext2fs_has_feature_journal(&fs_param)))
2894                 journal_blocks = figure_journal_size(journal_size, fs);
2895
2896         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2897                 32768 : fs->blocksize * 8);
2898         io_channel_set_options(fs->io, opt_string);
2899         if (offset) {
2900                 sprintf(opt_string, "offset=%llu", offset);
2901                 io_channel_set_options(fs->io, opt_string);
2902         }
2903
2904         /* Can't undo discard ... */
2905         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
2906                 retval = mke2fs_discard_device(fs);
2907                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2908                         if (verbose)
2909                                 printf("%s",
2910                                        _("Discard succeeded and will return "
2911                                          "0s - skipping inode table wipe\n"));
2912                         lazy_itable_init = 1;
2913                         itable_zeroed = 1;
2914                         zero_hugefile = 0;
2915                 }
2916         }
2917
2918         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2919                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2920
2921         if (ext2fs_has_feature_flex_bg(&fs_param) ||
2922             ext2fs_has_feature_huge_file(&fs_param) ||
2923             ext2fs_has_feature_gdt_csum(&fs_param) ||
2924             ext2fs_has_feature_dir_nlink(&fs_param) ||
2925             ext2fs_has_feature_metadata_csum(&fs_param) ||
2926             ext2fs_has_feature_extra_isize(&fs_param))
2927                 fs->super->s_kbytes_written = 1;
2928
2929         /*
2930          * Wipe out the old on-disk superblock
2931          */
2932         if (!noaction)
2933                 zap_sector(fs, 2, 6);
2934
2935         /*
2936          * Parse or generate a UUID for the filesystem
2937          */
2938         if (fs_uuid) {
2939                 if ((strcasecmp(fs_uuid, "null") == 0) ||
2940                     (strcasecmp(fs_uuid, "clear") == 0)) {
2941                         uuid_clear(fs->super->s_uuid);
2942                 } else if (strcasecmp(fs_uuid, "time") == 0) {
2943                         uuid_generate_time(fs->super->s_uuid);
2944                 } else if (strcasecmp(fs_uuid, "random") == 0) {
2945                         uuid_generate(fs->super->s_uuid);
2946                 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
2947                         com_err(device_name, 0, "could not parse UUID: %s\n",
2948                                 fs_uuid);
2949                         exit(1);
2950                 }
2951         } else
2952                 uuid_generate(fs->super->s_uuid);
2953
2954         if (ext2fs_has_feature_csum_seed(fs->super))
2955                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
2956                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
2957
2958         ext2fs_init_csum_seed(fs);
2959
2960         /*
2961          * Initialize the directory index variables
2962          */
2963         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
2964                                                "half_md4");
2965         hash_alg = e2p_string2hash(hash_alg_str);
2966         free(hash_alg_str);
2967         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
2968                 EXT2_HASH_HALF_MD4;
2969
2970         if (memcmp(fs_param.s_hash_seed, zero_buf,
2971                 sizeof(fs_param.s_hash_seed)) != 0) {
2972                 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
2973                         sizeof(fs->super->s_hash_seed));
2974         } else
2975                 uuid_generate((unsigned char *) fs->super->s_hash_seed);
2976
2977         /*
2978          * Periodic checks can be enabled/disabled via config file.
2979          * Note we override the kernel include file's idea of what the default
2980          * check interval (never) should be.  It's a good idea to check at
2981          * least *occasionally*, specially since servers will never rarely get
2982          * to reboot, since Linux is so robust these days.  :-)
2983          *
2984          * 180 days (six months) seems like a good value.
2985          */
2986 #ifdef EXT2_DFL_CHECKINTERVAL
2987 #undef EXT2_DFL_CHECKINTERVAL
2988 #endif
2989 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
2990
2991         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
2992                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
2993                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
2994                 /*
2995                  * Add "jitter" to the superblock's check interval so that we
2996                  * don't check all the filesystems at the same time.  We use a
2997                  * kludgy hack of using the UUID to derive a random jitter value
2998                  */
2999                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3000                         val += fs->super->s_uuid[i];
3001                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3002         } else
3003                 fs->super->s_max_mnt_count = -1;
3004
3005         /*
3006          * Override the creator OS, if applicable
3007          */
3008         if (creator_os && !set_os(fs->super, creator_os)) {
3009                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3010                 exit(1);
3011         }
3012
3013         /*
3014          * For the Hurd, we will turn off filetype since it doesn't
3015          * support it.
3016          */
3017         if (fs->super->s_creator_os == EXT2_OS_HURD)
3018                 ext2fs_clear_feature_filetype(fs->super);
3019
3020         /*
3021          * Set the volume label...
3022          */
3023         if (volume_label) {
3024                 memset(fs->super->s_volume_name, 0,
3025                        sizeof(fs->super->s_volume_name));
3026                 strncpy(fs->super->s_volume_name, volume_label,
3027                         sizeof(fs->super->s_volume_name));
3028         }
3029
3030         /*
3031          * Set the last mount directory
3032          */
3033         if (mount_dir) {
3034                 memset(fs->super->s_last_mounted, 0,
3035                        sizeof(fs->super->s_last_mounted));
3036                 strncpy(fs->super->s_last_mounted, mount_dir,
3037                         sizeof(fs->super->s_last_mounted));
3038         }
3039
3040         /* Set current default encryption algorithms for data and
3041          * filename encryption */
3042         if (ext2fs_has_feature_encrypt(fs->super)) {
3043                 fs->super->s_encrypt_algos[0] =
3044                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3045                 fs->super->s_encrypt_algos[1] =
3046                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3047         }
3048
3049         if (ext2fs_has_feature_metadata_csum(fs->super))
3050                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3051
3052         if (!quiet || noaction)
3053                 show_stats(fs);
3054
3055         if (noaction)
3056                 exit(0);
3057
3058         if (ext2fs_has_feature_journal_dev(fs->super)) {
3059                 create_journal_dev(fs);
3060                 printf("\n");
3061                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3062         }
3063
3064         if (bad_blocks_filename)
3065                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3066         if (cflag)
3067                 test_disk(fs, &bb_list);
3068         handle_bad_blocks(fs, bb_list);
3069
3070         fs->stride = fs_stride = fs->super->s_raid_stride;
3071         if (!quiet)
3072                 printf("%s", _("Allocating group tables: "));
3073         if (ext2fs_has_feature_flex_bg(fs->super) &&
3074             packed_meta_blocks)
3075                 retval = packed_allocate_tables(fs);
3076         else
3077                 retval = ext2fs_allocate_tables(fs);
3078         if (retval) {
3079                 com_err(program_name, retval, "%s",
3080                         _("while trying to allocate filesystem tables"));
3081                 exit(1);
3082         }
3083         if (!quiet)
3084                 printf("%s", _("done                            \n"));
3085
3086         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3087         if (retval) {
3088                 com_err(program_name, retval, "%s",
3089                         _("\n\twhile converting subcluster bitmap"));
3090                 exit(1);
3091         }
3092
3093         if (super_only) {
3094                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3095                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3096                        device_name);
3097                 if (!force)
3098                         proceed_question(proceed_delay);
3099                 fs->super->s_state |= EXT2_ERROR_FS;
3100                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3101                 /*
3102                  * The command "mke2fs -S" is used to recover
3103                  * corrupted file systems, so do not mark any of the
3104                  * inodes as unused; we want e2fsck to consider all
3105                  * inodes as potentially containing recoverable data.
3106                  */
3107                 if (ext2fs_has_group_desc_csum(fs)) {
3108                         for (i = 0; i < fs->group_desc_count; i++)
3109                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3110                 }
3111         } else {
3112                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3113                 blk64_t rsv = 65536 / fs->blocksize;
3114                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3115                 blk64_t start;
3116                 blk64_t ret_blk;
3117
3118 #ifdef ZAP_BOOTBLOCK
3119                 zap_sector(fs, 0, 2);
3120 #endif
3121
3122                 /*
3123                  * Wipe out any old MD RAID (or other) metadata at the end
3124                  * of the device.  This will also verify that the device is
3125                  * as large as we think.  Be careful with very small devices.
3126                  */
3127                 start = (blocks & ~(rsv - 1));
3128                 if (start > rsv)
3129                         start -= rsv;
3130                 if (start > 0)
3131                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3132                                                     &ret_blk, NULL);
3133
3134                 if (retval) {
3135                         com_err(program_name, retval,
3136                                 _("while zeroing block %llu at end of filesystem"),
3137                                 ret_blk);
3138                 }
3139                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3140                 create_root_dir(fs);
3141                 create_lost_and_found(fs);
3142                 reserve_inodes(fs);
3143                 create_bad_block_inode(fs, bb_list);
3144                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3145                         retval = ext2fs_create_resize_inode(fs);
3146                         if (retval) {
3147                                 com_err("ext2fs_create_resize_inode", retval,
3148                                         "%s",
3149                                 _("while reserving blocks for online resize"));
3150                                 exit(1);
3151                         }
3152                 }
3153         }
3154
3155         if (journal_device) {
3156                 ext2_filsys     jfs;
3157
3158                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3159                                         NULL) && !force)
3160                         proceed_question(proceed_delay);
3161                 check_mount(journal_device, force, _("journal"));
3162
3163                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3164                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3165                                      fs->blocksize, unix_io_manager, &jfs);
3166                 if (retval) {
3167                         com_err(program_name, retval,
3168                                 _("while trying to open journal device %s\n"),
3169                                 journal_device);
3170                         exit(1);
3171                 }
3172                 if (!quiet) {
3173                         printf(_("Adding journal to device %s: "),
3174                                journal_device);
3175                         fflush(stdout);
3176                 }
3177                 retval = ext2fs_add_journal_device(fs, jfs);
3178                 if(retval) {
3179                         com_err (program_name, retval,
3180                                  _("\n\twhile trying to add journal to device %s"),
3181                                  journal_device);
3182                         exit(1);
3183                 }
3184                 if (!quiet)
3185                         printf("%s", _("done\n"));
3186                 ext2fs_close_free(&jfs);
3187                 free(journal_device);
3188         } else if ((journal_size) ||
3189                    ext2fs_has_feature_journal(&fs_param)) {
3190                 if (super_only) {
3191                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3192                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3193                         goto no_journal;
3194                 }
3195
3196                 if (!journal_blocks) {
3197                         ext2fs_clear_feature_journal(fs->super);
3198                         goto no_journal;
3199                 }
3200                 if (!quiet) {
3201                         printf(_("Creating journal (%u blocks): "),
3202                                journal_blocks);
3203                         fflush(stdout);
3204                 }
3205                 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3206                                                    journal_location,
3207                                                    journal_flags);
3208                 if (retval) {
3209                         com_err(program_name, retval, "%s",
3210                                 _("\n\twhile trying to create journal"));
3211                         exit(1);
3212                 }
3213                 if (!quiet)
3214                         printf("%s", _("done\n"));
3215         }
3216 no_journal:
3217         if (!super_only &&
3218             ext2fs_has_feature_mmp(fs->super)) {
3219                 retval = ext2fs_mmp_init(fs);
3220                 if (retval) {
3221                         fprintf(stderr, "%s",
3222                                 _("\nError while enabling multiple "
3223                                   "mount protection feature."));
3224                         exit(1);
3225                 }
3226                 if (!quiet)
3227                         printf(_("Multiple mount protection is enabled "
3228                                  "with update interval %d seconds.\n"),
3229                                fs->super->s_mmp_update_interval);
3230         }
3231
3232         if (ext2fs_has_feature_bigalloc(&fs_param))
3233                 fix_cluster_bg_counts(fs);
3234         if (ext2fs_has_feature_quota(&fs_param))
3235                 create_quota_inodes(fs);
3236
3237         retval = mk_hugefiles(fs, device_name);
3238         if (retval)
3239                 com_err(program_name, retval, "while creating huge files");
3240         /* Copy files from the specified directory */
3241         if (src_root_dir) {
3242                 if (!quiet)
3243                         printf("%s", _("Copying files into the device: "));
3244
3245                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3246                                      EXT2_ROOT_INO);
3247                 if (retval) {
3248                         com_err(program_name, retval, "%s",
3249                                 _("while populating file system"));
3250                         exit(1);
3251                 } else if (!quiet)
3252                         printf("%s", _("done\n"));
3253         }
3254
3255         if (!quiet)
3256                 printf("%s", _("Writing superblocks and "
3257                        "filesystem accounting information: "));
3258         checkinterval = fs->super->s_checkinterval;
3259         max_mnt_count = fs->super->s_max_mnt_count;
3260         retval = ext2fs_close_free(&fs);
3261         if (retval) {
3262                 com_err(program_name, retval, "%s",
3263                         _("while writing out and closing file system"));
3264                 retval = 1;
3265         } else if (!quiet) {
3266                 printf("%s", _("done\n\n"));
3267                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3268                         print_check_message(max_mnt_count, checkinterval);
3269         }
3270
3271         remove_error_table(&et_ext2_error_table);
3272         remove_error_table(&et_prof_error_table);
3273         profile_release(profile);
3274         for (i=0; fs_types[i]; i++)
3275                 free(fs_types[i]);
3276         free(fs_types);
3277         return retval;
3278 }