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 __linux__
  28 #include <sys/utsname.h>
  29 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
  30 #endif
  31 #ifdef HAVE_GETOPT_H
  32 #include <getopt.h>
  33 #else
  34 extern char *optarg;
  35 extern int optind;
  36 #endif
  37 #ifdef HAVE_UNISTD_H
  38 #include <unistd.h>
  39 #endif
  40 #ifdef HAVE_STDLIB_H
  41 #include <stdlib.h>
  42 #endif
  43 #ifdef HAVE_ERRNO_H
  44 #include <errno.h>
  45 #endif
  46 #ifdef HAVE_SYS_IOCTL_H
  47 #include <sys/ioctl.h>
  48 #endif
  49 #include <libgen.h>
  50 #include <limits.h>
  51 #include <blkid/blkid.h>
  52
  53 #include "ext2fs/ext2_fs.h"
  54 #include "ext2fs/ext2fsP.h"
  55 #include "uuid/uuid.h"
  56 #include "util.h"
  57 #include "support/nls-enable.h"
  58 #include "support/plausible.h"
  59 #include "support/profile.h"
  60 #include "support/prof_err.h"
  61 #include "../version.h"
  62 #include "support/quotaio.h"
  63 #include "mke2fs.h"
  64 #include "create_inode.h"
  65
  66 #define STRIDE_LENGTH 8
  67
  68 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
  69
  70 #ifndef __sparc__
  71 #define ZAP_BOOTBLOCK
  72 #endif
  73
  74 #define DISCARD_STEP_MB         (2048)
  75
  76 extern int isatty(int);
  77 extern FILE *fpopen(const char *cmd, const char *mode);
  78
  79 const char * program_name = "mke2fs";
  80 static const char * device_name /* = NULL */;
  81
  82 /* Command line options */
  83 static int      cflag;
  84 int     verbose;
  85 int     quiet;
  86 static int      super_only;
  87 static int      discard = 1;    /* attempt to discard device before fs creation */
  88 static int      direct_io;
  89 static int      force;
  90 static int      noaction;
  91 static int      num_backups = 2; /* number of backup bg's for sparse_super2 */
  92 static uid_t    root_uid;
  93 static gid_t    root_gid;
  94 int     journal_size;
  95 int     journal_flags;
  96 static int      lazy_itable_init;
  97 static int      packed_meta_blocks;
  98 int             no_copy_xattrs;
  99 static char     *bad_blocks_filename = NULL;
 100 static __u32    fs_stride;
 101 /* Initialize usr/grp quotas by default */
 102 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
 103 static __u64    offset;
 104 static blk64_t journal_location = ~0LL;
 105 static int      proceed_delay = -1;
 106 static blk64_t  dev_size;
 107
 108 static struct ext2_super_block fs_param;
 109 static __u32 zero_buf[4];
 110 static char *fs_uuid = NULL;
 111 static char *creator_os;
 112 static char *volume_label;
 113 static char *mount_dir;
 114 char *journal_device;
 115 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 116 char **fs_types;
 117 const char *src_root_dir;  /* Copy files from the specified directory */
 118 static char *undo_file;
 119
 120 static int android_sparse_file; /* -E android_sparse */
 121
 122 static profile_t        profile;
 123
 124 static int sys_page_size = 4096;
 125
 126 static int errors_behavior = 0;
 127
 128 static void usage(void)
 129 {
 130         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 131         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 132         "[-J journal-options]\n"
 133         "\t[-G flex-group-size] [-N number-of-inodes] "
 134         "[-d root-directory]\n"
 135         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 136         "\t[-g blocks-per-group] [-L volume-label] "
 137         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 138         "[-r fs-revision] [-E extended-option[,...]]\n"
 139         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 140         "[-z undo_file]\n"
 141         "\t[-jnqvDFSV] device [blocks-count]\n"),
 142                 program_name);
 143         exit(1);
 144 }
 145
 146 static int int_log2(unsigned long long arg)
 147 {
 148         int     l = 0;
 149
 150         arg >>= 1;
 151         while (arg) {
 152                 l++;
 153                 arg >>= 1;
 154         }
 155         return l;
 156 }
 157
 158 int int_log10(unsigned long long arg)
 159 {
 160         int     l;
 161
 162         for (l=0; arg ; l++)
 163                 arg = arg / 10;
 164         return l;
 165 }
 166
 167 #ifdef __linux__
 168 static int parse_version_number(const char *s)
 169 {
 170         int     major, minor, rev;
 171         char    *endptr;
 172         const char *cp = s;
 173
 174         if (!s)
 175                 return 0;
 176         major = strtol(cp, &endptr, 10);
 177         if (cp == endptr || *endptr != '.')
 178                 return 0;
 179         cp = endptr + 1;
 180         minor = strtol(cp, &endptr, 10);
 181         if (cp == endptr || *endptr != '.')
 182                 return 0;
 183         cp = endptr + 1;
 184         rev = strtol(cp, &endptr, 10);
 185         if (cp == endptr)
 186                 return 0;
 187         return KERNEL_VERSION(major, minor, rev);
 188 }
 189
 190 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 191                                unsigned int rev)
 192 {
 193         struct          utsname ut;
 194         static int      linux_version_code = -1;
 195
 196         if (uname(&ut)) {
 197                 perror("uname");
 198                 exit(1);
 199         }
 200         if (linux_version_code < 0)
 201                 linux_version_code = parse_version_number(ut.release);
 202         if (linux_version_code == 0)
 203                 return 0;
 204
 205         return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
 206 }
 207 #else
 208 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 209                                unsigned int rev)
 210 {
 211         return 0;
 212 }
 213 #endif
 214
 215 /*
 216  * Helper function for read_bb_file and test_disk
 217  */
 218 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 219 {
 220         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 221         return;
 222 }
 223
 224 /*
 225  * Reads the bad blocks list from a file
 226  */
 227 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 228                          const char *bad_blocks_file)
 229 {
 230         FILE            *f;
 231         errcode_t       retval;
 232
 233         f = fopen(bad_blocks_file, "r");
 234         if (!f) {
 235                 com_err("read_bad_blocks_file", errno,
 236                         _("while trying to open %s"), bad_blocks_file);
 237                 exit(1);
 238         }
 239         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 240         fclose (f);
 241         if (retval) {
 242                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 243                         _("while reading in list of bad blocks from file"));
 244                 exit(1);
 245         }
 246 }
 247
 248 /*
 249  * Runs the badblocks program to test the disk
 250  */
 251 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 252 {
 253         FILE            *f;
 254         errcode_t       retval;
 255         char            buf[1024];
 256
 257         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 258                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 259                 fs->device_name, ext2fs_blocks_count(fs->super)-1);
 260         if (verbose)
 261                 printf(_("Running command: %s\n"), buf);
 262         f = popen(buf, "r");
 263         if (!f) {
 264                 com_err("popen", errno,
 265                         _("while trying to run '%s'"), buf);
 266                 exit(1);
 267         }
 268         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 269         pclose(f);
 270         if (retval) {
 271                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 272                         _("while processing list of bad blocks from program"));
 273                 exit(1);
 274         }
 275 }
 276
 277 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 278 {
 279         dgrp_t                  i;
 280         blk_t                   j;
 281         unsigned                must_be_good;
 282         blk_t                   blk;
 283         badblocks_iterate       bb_iter;
 284         errcode_t               retval;
 285         blk_t                   group_block;
 286         int                     group;
 287         int                     group_bad;
 288
 289         if (!bb_list)
 290                 return;
 291
 292         /*
 293          * The primary superblock and group descriptors *must* be
 294          * good; if not, abort.
 295          */
 296         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 297         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 298                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 299                         fprintf(stderr, _("Block %d in primary "
 300                                 "superblock/group descriptor area bad.\n"), i);
 301                         fprintf(stderr, _("Blocks %u through %u must be good "
 302                                 "in order to build a filesystem.\n"),
 303                                 fs->super->s_first_data_block, must_be_good);
 304                         fputs(_("Aborting....\n"), stderr);
 305                         exit(1);
 306                 }
 307         }
 308
 309         /*
 310          * See if any of the bad blocks are showing up in the backup
 311          * superblocks and/or group descriptors.  If so, issue a
 312          * warning and adjust the block counts appropriately.
 313          */
 314         group_block = fs->super->s_first_data_block +
 315                 fs->super->s_blocks_per_group;
 316
 317         for (i = 1; i < fs->group_desc_count; i++) {
 318                 group_bad = 0;
 319                 for (j=0; j < fs->desc_blocks+1; j++) {
 320                         if (ext2fs_badblocks_list_test(bb_list,
 321                                                        group_block + j)) {
 322                                 if (!group_bad)
 323                                         fprintf(stderr,
 324 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 325 "       bad blocks.\n\n"),
 326                                                 group_block);
 327                                 group_bad++;
 328                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 329                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 330                                 ext2fs_group_desc_csum_set(fs, group);
 331                                 ext2fs_free_blocks_count_add(fs->super, 1);
 332                         }
 333                 }
 334                 group_block += fs->super->s_blocks_per_group;
 335         }
 336
 337         /*
 338          * Mark all the bad blocks as used...
 339          */
 340         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 341         if (retval) {
 342                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 343                         _("while marking bad blocks as used"));
 344                 exit(1);
 345         }
 346         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 347                 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
 348         ext2fs_badblocks_list_iterate_end(bb_iter);
 349 }
 350
 351 static void write_reserved_inodes(ext2_filsys fs)
 352 {
 353         errcode_t       retval;
 354         ext2_ino_t      ino;
 355         struct ext2_inode *inode;
 356
 357         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 358         if (retval) {
 359                 com_err("inode_init", retval, _("while allocating memory"));
 360                 exit(1);
 361         }
 362
 363         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
 364                 retval = ext2fs_write_inode_full(fs, ino, inode,
 365                                                  EXT2_INODE_SIZE(fs->super));
 366                 if (retval) {
 367                         com_err("ext2fs_write_inode_full", retval,
 368                                 _("while writing reserved inodes"));
 369                         exit(1);
 370                 }
 371         }
 372
 373         ext2fs_free_mem(&inode);
 374 }
 375
 376 static errcode_t packed_allocate_tables(ext2_filsys fs)
 377 {
 378         errcode_t       retval;
 379         dgrp_t          i;
 380         blk64_t         goal = 0;
 381
 382         for (i = 0; i < fs->group_desc_count; i++) {
 383                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 384                 if (retval)
 385                         return retval;
 386                 ext2fs_block_alloc_stats2(fs, goal, +1);
 387                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 388         }
 389         for (i = 0; i < fs->group_desc_count; i++) {
 390                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 391                 if (retval)
 392                         return retval;
 393                 ext2fs_block_alloc_stats2(fs, goal, +1);
 394                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 395         }
 396         for (i = 0; i < fs->group_desc_count; i++) {
 397                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 398                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 399                                                  fs->inode_blocks_per_group,
 400                                                  fs->block_map, &goal);
 401                 if (retval)
 402                         return retval;
 403                 ext2fs_block_alloc_stats_range(fs, goal,
 404                                                fs->inode_blocks_per_group, +1);
 405                 ext2fs_inode_table_loc_set(fs, i, goal);
 406                 ext2fs_group_desc_csum_set(fs, i);
 407         }
 408         return 0;
 409 }
 410
 411 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 412 {
 413         errcode_t       retval;
 414         blk64_t         blk;
 415         dgrp_t          i;
 416         int             num;
 417         struct ext2fs_numeric_progress_struct progress;
 418
 419         ext2fs_numeric_progress_init(fs, &progress,
 420                                      _("Writing inode tables: "),
 421                                      fs->group_desc_count);
 422
 423         for (i = 0; i < fs->group_desc_count; i++) {
 424                 ext2fs_numeric_progress_update(fs, &progress, i);
 425
 426                 blk = ext2fs_inode_table_loc(fs, i);
 427                 num = fs->inode_blocks_per_group;
 428
 429                 if (lazy_flag)
 430                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 431                                                ext2fs_bg_itable_unused(fs, i)) *
 432                                               EXT2_INODE_SIZE(fs->super),
 433                                               EXT2_BLOCK_SIZE(fs->super));
 434                 if (!lazy_flag || itable_zeroed) {
 435                         /* The kernel doesn't need to zero the itable blocks */
 436                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 437                         ext2fs_group_desc_csum_set(fs, i);
 438                 }
 439                 if (!itable_zeroed) {
 440                         retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
 441                         if (retval) {
 442                                 fprintf(stderr, _("\nCould not write %d "
 443                                           "blocks in inode table starting at %llu: %s\n"),
 444                                         num, blk, error_message(retval));
 445                                 exit(1);
 446                         }
 447                 }
 448                 if (sync_kludge) {
 449                         if (sync_kludge == 1)
 450                                 io_channel_flush(fs->io);
 451                         else if ((i % sync_kludge) == 0)
 452                                 io_channel_flush(fs->io);
 453                 }
 454         }
 455         ext2fs_numeric_progress_close(fs, &progress,
 456                                       _("done                            \n"));
 457
 458         /* Reserved inodes must always have correct checksums */
 459         if (ext2fs_has_feature_metadata_csum(fs->super))
 460                 write_reserved_inodes(fs);
 461 }
 462
 463 static void create_root_dir(ext2_filsys fs)
 464 {
 465         errcode_t               retval;
 466         struct ext2_inode       inode;
 467
 468         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 469         if (retval) {
 470                 com_err("ext2fs_mkdir", retval, "%s",
 471                         _("while creating root dir"));
 472                 exit(1);
 473         }
 474         if (root_uid != 0 || root_gid != 0) {
 475                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 476                 if (retval) {
 477                         com_err("ext2fs_read_inode", retval, "%s",
 478                                 _("while reading root inode"));
 479                         exit(1);
 480                 }
 481
 482                 inode.i_uid = root_uid;
 483                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 484                 inode.i_gid = root_gid;
 485                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 486
 487                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 488                 if (retval) {
 489                         com_err("ext2fs_write_inode", retval, "%s",
 490                                 _("while setting root inode ownership"));
 491                         exit(1);
 492                 }
 493         }
 494 }
 495
 496 static void create_lost_and_found(ext2_filsys fs)
 497 {
 498         unsigned int            lpf_size = 0;
 499         errcode_t               retval;
 500         ext2_ino_t              ino;
 501         const char              *name = "lost+found";
 502         int                     i;
 503
 504         fs->umask = 077;
 505         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 506         if (retval) {
 507                 com_err("ext2fs_mkdir", retval, "%s",
 508                         _("while creating /lost+found"));
 509                 exit(1);
 510         }
 511
 512         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 513         if (retval) {
 514                 com_err("ext2_lookup", retval, "%s",
 515                         _("while looking up /lost+found"));
 516                 exit(1);
 517         }
 518
 519         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 520                 /* Ensure that lost+found is at least 2 blocks, so we always
 521                  * test large empty blocks for big-block filesystems.  */
 522                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 523                     lpf_size >= 2 * fs->blocksize)
 524                         break;
 525                 retval = ext2fs_expand_dir(fs, ino);
 526                 if (retval) {
 527                         com_err("ext2fs_expand_dir", retval, "%s",
 528                                 _("while expanding /lost+found"));
 529                         exit(1);
 530                 }
 531         }
 532 }
 533
 534 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 535 {
 536         errcode_t       retval;
 537
 538         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 539         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 540         retval = ext2fs_update_bb_inode(fs, bb_list);
 541         if (retval) {
 542                 com_err("ext2fs_update_bb_inode", retval, "%s",
 543                         _("while setting bad block inode"));
 544                 exit(1);
 545         }
 546
 547 }
 548
 549 static void reserve_inodes(ext2_filsys fs)
 550 {
 551         ext2_ino_t      i;
 552
 553         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 554                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 555         ext2fs_mark_ib_dirty(fs);
 556 }
 557
 558 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 559 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 560 #define BSD_LABEL_OFFSET        64
 561
 562 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 563 {
 564         char *buf;
 565         int retval;
 566         unsigned int *magic;
 567
 568         buf = calloc(512, nsect);
 569         if (!buf) {
 570                 printf(_("Out of memory erasing sectors %d-%d\n"),
 571                        sect, sect + nsect - 1);
 572                 exit(1);
 573         }
 574
 575         if (sect == 0) {
 576                 /* Check for a BSD disklabel, and don't erase it if so */
 577                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 578                 if (retval)
 579                         fprintf(stderr,
 580                                 _("Warning: could not read block 0: %s\n"),
 581                                 error_message(retval));
 582                 else {
 583                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 584                         if ((*magic == BSD_DISKMAGIC) ||
 585                             (*magic == BSD_MAGICDISK))
 586                                 return;
 587                 }
 588         }
 589
 590         memset(buf, 0, 512*nsect);
 591         io_channel_set_blksize(fs->io, 512);
 592         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 593         io_channel_set_blksize(fs->io, fs->blocksize);
 594         free(buf);
 595         if (retval)
 596                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 597                         sect, error_message(retval));
 598 }
 599
 600 static void create_journal_dev(ext2_filsys fs)
 601 {
 602         struct ext2fs_numeric_progress_struct progress;
 603         errcode_t               retval;
 604         char                    *buf;
 605         blk64_t                 blk, err_blk;
 606         int                     c, count, err_count;
 607
 608         retval = ext2fs_create_journal_superblock(fs,
 609                                   ext2fs_blocks_count(fs->super), 0, &buf);
 610         if (retval) {
 611                 com_err("create_journal_dev", retval, "%s",
 612                         _("while initializing journal superblock"));
 613                 exit(1);
 614         }
 615
 616         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 617                 goto write_superblock;
 618
 619         ext2fs_numeric_progress_init(fs, &progress,
 620                                      _("Zeroing journal device: "),
 621                                      ext2fs_blocks_count(fs->super));
 622         blk = 0;
 623         count = ext2fs_blocks_count(fs->super);
 624         while (count > 0) {
 625                 if (count > 1024)
 626                         c = 1024;
 627                 else
 628                         c = count;
 629                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 630                 if (retval) {
 631                         com_err("create_journal_dev", retval,
 632                                 _("while zeroing journal device "
 633                                   "(block %llu, count %d)"),
 634                                 err_blk, err_count);
 635                         exit(1);
 636                 }
 637                 blk += c;
 638                 count -= c;
 639                 ext2fs_numeric_progress_update(fs, &progress, blk);
 640         }
 641
 642         ext2fs_numeric_progress_close(fs, &progress, NULL);
 643 write_superblock:
 644         retval = io_channel_write_blk64(fs->io,
 645                                         fs->super->s_first_data_block+1,
 646                                         1, buf);
 647         (void) ext2fs_free_mem(&buf);
 648         if (retval) {
 649                 com_err("create_journal_dev", retval, "%s",
 650                         _("while writing journal superblock"));
 651                 exit(1);
 652         }
 653 }
 654
 655 static void show_stats(ext2_filsys fs)
 656 {
 657         struct ext2_super_block *s = fs->super;
 658         char                    buf[80];
 659         char                    *os;
 660         blk64_t                 group_block;
 661         dgrp_t                  i;
 662         int                     need, col_left;
 663
 664         if (!verbose) {
 665                 printf(_("Creating filesystem with %llu %dk blocks and "
 666                          "%u inodes\n"),
 667                        ext2fs_blocks_count(s), fs->blocksize >> 10,
 668                        s->s_inodes_count);
 669                 goto skip_details;
 670         }
 671
 672         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 673                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 674                        ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
 675
 676         memset(buf, 0, sizeof(buf));
 677         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 678         printf(_("Filesystem label=%s\n"), buf);
 679         os = e2p_os2string(fs->super->s_creator_os);
 680         if (os)
 681                 printf(_("OS type: %s\n"), os);
 682         free(os);
 683         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 684                 s->s_log_block_size);
 685         if (ext2fs_has_feature_bigalloc(fs->super))
 686                 printf(_("Cluster size=%u (log=%u)\n"),
 687                        fs->blocksize << fs->cluster_ratio_bits,
 688                        s->s_log_cluster_size);
 689         else
 690                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 691                        s->s_log_cluster_size);
 692         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 693                s->s_raid_stride, s->s_raid_stripe_width);
 694         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 695                ext2fs_blocks_count(s));
 696         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 697                 ext2fs_r_blocks_count(s),
 698                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 699         printf(_("First data block=%u\n"), s->s_first_data_block);
 700         if (root_uid != 0 || root_gid != 0)
 701                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 702         if (s->s_reserved_gdt_blocks)
 703                 printf(_("Maximum filesystem blocks=%lu\n"),
 704                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 705                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 706         if (fs->group_desc_count > 1)
 707                 printf(_("%u block groups\n"), fs->group_desc_count);
 708         else
 709                 printf(_("%u block group\n"), fs->group_desc_count);
 710         if (ext2fs_has_feature_bigalloc(fs->super))
 711                 printf(_("%u blocks per group, %u clusters per group\n"),
 712                        s->s_blocks_per_group, s->s_clusters_per_group);
 713         else
 714                 printf(_("%u blocks per group, %u fragments per group\n"),
 715                        s->s_blocks_per_group, s->s_clusters_per_group);
 716         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 717
 718 skip_details:
 719         if (fs->group_desc_count == 1) {
 720                 printf("\n");
 721                 return;
 722         }
 723
 724         if (!e2p_is_null_uuid(s->s_uuid))
 725                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 726         printf("%s", _("Superblock backups stored on blocks: "));
 727         group_block = s->s_first_data_block;
 728         col_left = 0;
 729         for (i = 1; i < fs->group_desc_count; i++) {
 730                 group_block += s->s_blocks_per_group;
 731                 if (!ext2fs_bg_has_super(fs, i))
 732                         continue;
 733                 if (i != 1)
 734                         printf(", ");
 735                 need = int_log10(group_block) + 2;
 736                 if (need > col_left) {
 737                         printf("\n\t");
 738                         col_left = 72;
 739                 }
 740                 col_left -= need;
 741                 printf("%llu", group_block);
 742         }
 743         printf("\n\n");
 744 }
 745
 746 /*
 747  * Returns true if making a file system for the Hurd, else 0
 748  */
 749 static int for_hurd(const char *os)
 750 {
 751         if (!os) {
 752 #ifdef __GNU__
 753                 return 1;
 754 #else
 755                 return 0;
 756 #endif
 757         }
 758         if (isdigit(*os))
 759                 return (atoi(os) == EXT2_OS_HURD);
 760         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 761 }
 762
 763 /*
 764  * Set the S_CREATOR_OS field.  Return true if OS is known,
 765  * otherwise, 0.
 766  */
 767 static int set_os(struct ext2_super_block *sb, char *os)
 768 {
 769         if (isdigit (*os))
 770                 sb->s_creator_os = atoi (os);
 771         else if (strcasecmp(os, "linux") == 0)
 772                 sb->s_creator_os = EXT2_OS_LINUX;
 773         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 774                 sb->s_creator_os = EXT2_OS_HURD;
 775         else if (strcasecmp(os, "freebsd") == 0)
 776                 sb->s_creator_os = EXT2_OS_FREEBSD;
 777         else if (strcasecmp(os, "lites") == 0)
 778                 sb->s_creator_os = EXT2_OS_LITES;
 779         else
 780                 return 0;
 781         return 1;
 782 }
 783
 784 #define PATH_SET "PATH=/sbin"
 785
 786 static void parse_extended_opts(struct ext2_super_block *param,
 787                                 const char *opts)
 788 {
 789         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 790         int     len;
 791         int     r_usage = 0;
 792         int     ret;
 793
 794         len = strlen(opts);
 795         buf = malloc(len+1);
 796         if (!buf) {
 797                 fprintf(stderr, "%s",
 798                         _("Couldn't allocate memory to parse options!\n"));
 799                 exit(1);
 800         }
 801         strcpy(buf, opts);
 802         for (token = buf; token && *token; token = next) {
 803                 p = strchr(token, ',');
 804                 next = 0;
 805                 if (p) {
 806                         *p = 0;
 807                         next = p+1;
 808                 }
 809                 arg = strchr(token, '=');
 810                 if (arg) {
 811                         *arg = 0;
 812                         arg++;
 813                 }
 814                 if (strcmp(token, "desc-size") == 0 ||
 815                     strcmp(token, "desc_size") == 0) {
 816                         int desc_size;
 817
 818                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 819                                 fprintf(stderr,
 820                                         _("%s requires '-O 64bit'\n"), token);
 821                                 r_usage++;
 822                                 continue;
 823                         }
 824                         if (param->s_reserved_gdt_blocks != 0) {
 825                                 fprintf(stderr,
 826                                         _("'%s' must be before 'resize=%u'\n"),
 827                                         token, param->s_reserved_gdt_blocks);
 828                                 r_usage++;
 829                                 continue;
 830                         }
 831                         if (!arg) {
 832                                 r_usage++;
 833                                 badopt = token;
 834                                 continue;
 835                         }
 836                         desc_size = strtoul(arg, &p, 0);
 837                         if (*p || (desc_size & (desc_size - 1))) {
 838                                 fprintf(stderr,
 839                                         _("Invalid desc_size: '%s'\n"), arg);
 840                                 r_usage++;
 841                                 continue;
 842                         }
 843                         param->s_desc_size = desc_size;
 844                 } else if (strcmp(token, "hash_seed") == 0) {
 845                         if (!arg) {
 846                                 r_usage++;
 847                                 badopt = token;
 848                                 continue;
 849                         }
 850                         if (uuid_parse(arg,
 851                                 (unsigned char *)param->s_hash_seed) != 0) {
 852                                 fprintf(stderr,
 853                                         _("Invalid hash seed: %s\n"), arg);
 854                                 r_usage++;
 855                                 continue;
 856                         }
 857                 } else if (strcmp(token, "offset") == 0) {
 858                         if (!arg) {
 859                                 r_usage++;
 860                                 badopt = token;
 861                                 continue;
 862                         }
 863                         offset = strtoull(arg, &p, 0);
 864                         if (*p) {
 865                                 fprintf(stderr, _("Invalid offset: %s\n"),
 866                                         arg);
 867                                 r_usage++;
 868                                 continue;
 869                         }
 870                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 871                         if (!arg) {
 872                                 r_usage++;
 873                                 badopt = token;
 874                                 continue;
 875                         }
 876                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 877                         if (*p) {
 878                                 fprintf(stderr,
 879                                         _("Invalid mmp_update_interval: %s\n"),
 880                                         arg);
 881                                 r_usage++;
 882                                 continue;
 883                         }
 884                 } else if (strcmp(token, "no_copy_xattrs") == 0) {
 885                         no_copy_xattrs = 1;
 886                         continue;
 887                 } else if (strcmp(token, "num_backup_sb") == 0) {
 888                         if (!arg) {
 889                                 r_usage++;
 890                                 badopt = token;
 891                                 continue;
 892                         }
 893                         num_backups = strtoul(arg, &p, 0);
 894                         if (*p || num_backups > 2) {
 895                                 fprintf(stderr,
 896                                         _("Invalid # of backup "
 897                                           "superblocks: %s\n"),
 898                                         arg);
 899                                 r_usage++;
 900                                 continue;
 901                         }
 902                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 903                         if (arg)
 904                                 packed_meta_blocks = strtoul(arg, &p, 0);
 905                         else
 906                                 packed_meta_blocks = 1;
 907                         if (packed_meta_blocks)
 908                                 journal_location = 0;
 909                 } else if (strcmp(token, "stride") == 0) {
 910                         if (!arg) {
 911                                 r_usage++;
 912                                 badopt = token;
 913                                 continue;
 914                         }
 915                         param->s_raid_stride = strtoul(arg, &p, 0);
 916                         if (*p) {
 917                                 fprintf(stderr,
 918                                         _("Invalid stride parameter: %s\n"),
 919                                         arg);
 920                                 r_usage++;
 921                                 continue;
 922                         }
 923                 } else if (strcmp(token, "stripe-width") == 0 ||
 924                            strcmp(token, "stripe_width") == 0) {
 925                         if (!arg) {
 926                                 r_usage++;
 927                                 badopt = token;
 928                                 continue;
 929                         }
 930                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 931                         if (*p) {
 932                                 fprintf(stderr,
 933                                         _("Invalid stripe-width parameter: %s\n"),
 934                                         arg);
 935                                 r_usage++;
 936                                 continue;
 937                         }
 938                 } else if (!strcmp(token, "resize")) {
 939                         blk64_t resize;
 940                         unsigned long bpg, rsv_groups;
 941                         unsigned long group_desc_count, desc_blocks;
 942                         unsigned int gdpb, blocksize;
 943                         int rsv_gdb;
 944
 945                         if (!arg) {
 946                                 r_usage++;
 947                                 badopt = token;
 948                                 continue;
 949                         }
 950
 951                         resize = parse_num_blocks2(arg,
 952                                                    param->s_log_block_size);
 953
 954                         if (resize == 0) {
 955                                 fprintf(stderr,
 956                                         _("Invalid resize parameter: %s\n"),
 957                                         arg);
 958                                 r_usage++;
 959                                 continue;
 960                         }
 961                         if (resize <= ext2fs_blocks_count(param)) {
 962                                 fprintf(stderr, "%s",
 963                                         _("The resize maximum must be greater "
 964                                           "than the filesystem size.\n"));
 965                                 r_usage++;
 966                                 continue;
 967                         }
 968
 969                         blocksize = EXT2_BLOCK_SIZE(param);
 970                         bpg = param->s_blocks_per_group;
 971                         if (!bpg)
 972                                 bpg = blocksize * 8;
 973                         gdpb = EXT2_DESC_PER_BLOCK(param);
 974                         group_desc_count = (__u32) ext2fs_div64_ceil(
 975                                 ext2fs_blocks_count(param), bpg);
 976                         desc_blocks = (group_desc_count +
 977                                        gdpb - 1) / gdpb;
 978                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 979                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 980                                 desc_blocks;
 981                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 982                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 983
 984                         if (rsv_gdb > 0) {
 985                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 986                                         fprintf(stderr, "%s",
 987         _("On-line resizing not supported with revision 0 filesystems\n"));
 988                                         free(buf);
 989                                         exit(1);
 990                                 }
 991                                 ext2fs_set_feature_resize_inode(param);
 992
 993                                 param->s_reserved_gdt_blocks = rsv_gdb;
 994                         }
 995                 } else if (!strcmp(token, "test_fs")) {
 996                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 997                 } else if (!strcmp(token, "lazy_itable_init")) {
 998                         if (arg)
 999                                 lazy_itable_init = strtoul(arg, &p, 0);
1000                         else
1001                                 lazy_itable_init = 1;
1002                 } else if (!strcmp(token, "lazy_journal_init")) {
1003                         if (arg)
1004                                 journal_flags |= strtoul(arg, &p, 0) ?
1005                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
1006                         else
1007                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
1008                 } else if (!strcmp(token, "root_owner")) {
1009                         if (arg) {
1010                                 root_uid = strtoul(arg, &p, 0);
1011                                 if (*p != ':') {
1012                                         fprintf(stderr,
1013                                                 _("Invalid root_owner: '%s'\n"),
1014                                                 arg);
1015                                         r_usage++;
1016                                         continue;
1017                                 }
1018                                 p++;
1019                                 root_gid = strtoul(p, &p, 0);
1020                                 if (*p) {
1021                                         fprintf(stderr,
1022                                                 _("Invalid root_owner: '%s'\n"),
1023                                                 arg);
1024                                         r_usage++;
1025                                         continue;
1026                                 }
1027                         } else {
1028                                 root_uid = getuid();
1029                                 root_gid = getgid();
1030                         }
1031                 } else if (!strcmp(token, "discard")) {
1032                         discard = 1;
1033                 } else if (!strcmp(token, "nodiscard")) {
1034                         discard = 0;
1035                 } else if (!strcmp(token, "quotatype")) {
1036                         char *errtok = NULL;
1037
1038                         if (!arg) {
1039                                 r_usage++;
1040                                 badopt = token;
1041                                 continue;
1042                         }
1043                         quotatype_bits = 0;
1044                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1045                         if (ret) {
1046                                 if (errtok) {
1047                                         fprintf(stderr,
1048                                 "Failed to parse quota type at %s", errtok);
1049                                         free(errtok);
1050                                 } else
1051                                         com_err(program_name, ret,
1052                                                 "while parsing quota type");
1053                                 r_usage++;
1054                                 badopt = token;
1055                                 continue;
1056                         }
1057                 } else if (!strcmp(token, "android_sparse")) {
1058                         android_sparse_file = 1;
1059                 } else {
1060                         r_usage++;
1061                         badopt = token;
1062                 }
1063         }
1064         if (r_usage) {
1065                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1066                         "Extended options are separated by commas, "
1067                         "and may take an argument which\n"
1068                         "\tis set off by an equals ('=') sign.\n\n"
1069                         "Valid extended options are:\n"
1070                         "\tmmp_update_interval=<interval>\n"
1071                         "\tnum_backup_sb=<0|1|2>\n"
1072                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1073                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1074                         "\toffset=<offset to create the file system>\n"
1075                         "\tresize=<resize maximum size in blocks>\n"
1076                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1077                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1078                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1079                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1080                         "\ttest_fs\n"
1081                         "\tdiscard\n"
1082                         "\tnodiscard\n"
1083                         "\tquotatype=<quota type(s) to be enabled>\n\n"),
1084                         badopt ? badopt : "");
1085                 free(buf);
1086                 exit(1);
1087         }
1088         if (param->s_raid_stride &&
1089             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1090                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1091                                   "multiple of stride %u.\n\n"),
1092                         param->s_raid_stripe_width, param->s_raid_stride);
1093
1094         free(buf);
1095 }
1096
1097 static __u32 ok_features[3] = {
1098         /* Compat */
1099         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1100                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1101                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1102                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1103                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1104         /* Incompat */
1105         EXT2_FEATURE_INCOMPAT_FILETYPE|
1106                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1107                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1108                 EXT2_FEATURE_INCOMPAT_META_BG|
1109                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1110                 EXT4_FEATURE_INCOMPAT_EA_INODE|
1111                 EXT4_FEATURE_INCOMPAT_MMP |
1112                 EXT4_FEATURE_INCOMPAT_64BIT|
1113                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1114                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1115                 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1116                 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1117         /* R/O compat */
1118         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1119                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1120                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1121                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1122                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1123                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1124                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1125                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1126                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1127                 EXT4_FEATURE_RO_COMPAT_PROJECT|
1128                 EXT4_FEATURE_RO_COMPAT_VERITY
1129 };
1130
1131
1132 static void syntax_err_report(const char *filename, long err, int line_num)
1133 {
1134         fprintf(stderr,
1135                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1136                 filename, line_num, error_message(err));
1137         exit(1);
1138 }
1139
1140 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1141
1142 static void edit_feature(const char *str, __u32 *compat_array)
1143 {
1144         if (!str)
1145                 return;
1146
1147         if (e2p_edit_feature(str, compat_array, ok_features)) {
1148                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1149                         str);
1150                 exit(1);
1151         }
1152 }
1153
1154 static void edit_mntopts(const char *str, __u32 *mntopts)
1155 {
1156         if (!str)
1157                 return;
1158
1159         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1160                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1161                         str);
1162                 exit(1);
1163         }
1164 }
1165
1166 struct str_list {
1167         char **list;
1168         int num;
1169         int max;
1170 };
1171
1172 static errcode_t init_list(struct str_list *sl)
1173 {
1174         sl->num = 0;
1175         sl->max = 1;
1176         sl->list = malloc((sl->max+1) * sizeof(char *));
1177         if (!sl->list)
1178                 return ENOMEM;
1179         sl->list[0] = 0;
1180         return 0;
1181 }
1182
1183 static errcode_t push_string(struct str_list *sl, const char *str)
1184 {
1185         char **new_list;
1186
1187         if (sl->num >= sl->max) {
1188                 sl->max += 2;
1189                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1190                 if (!new_list)
1191                         return ENOMEM;
1192                 sl->list = new_list;
1193         }
1194         sl->list[sl->num] = malloc(strlen(str)+1);
1195         if (sl->list[sl->num] == 0)
1196                 return ENOMEM;
1197         strcpy(sl->list[sl->num], str);
1198         sl->num++;
1199         sl->list[sl->num] = 0;
1200         return 0;
1201 }
1202
1203 static void print_str_list(char **list)
1204 {
1205         char **cpp;
1206
1207         for (cpp = list; *cpp; cpp++) {
1208                 printf("'%s'", *cpp);
1209                 if (cpp[1])
1210                         fputs(", ", stdout);
1211         }
1212         fputc('\n', stdout);
1213 }
1214
1215 /*
1216  * Return TRUE if the profile has the given subsection
1217  */
1218 static int profile_has_subsection(profile_t prof, const char *section,
1219                                   const char *subsection)
1220 {
1221         void                    *state;
1222         const char              *names[4];
1223         char                    *name;
1224         int                     ret = 0;
1225
1226         names[0] = section;
1227         names[1] = subsection;
1228         names[2] = 0;
1229
1230         if (profile_iterator_create(prof, names,
1231                                     PROFILE_ITER_LIST_SECTION |
1232                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1233                 return 0;
1234
1235         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1236                 free(name);
1237                 ret = 1;
1238         }
1239
1240         profile_iterator_free(&state);
1241         return ret;
1242 }
1243
1244 static char **parse_fs_type(const char *fs_type,
1245                             const char *usage_types,
1246                             struct ext2_super_block *sb,
1247                             blk64_t fs_blocks_count,
1248                             char *progname)
1249 {
1250         const char      *ext_type = 0;
1251         char            *parse_str;
1252         char            *profile_type = 0;
1253         char            *cp, *t;
1254         const char      *size_type;
1255         struct str_list list;
1256         unsigned long long meg;
1257         int             is_hurd = for_hurd(creator_os);
1258
1259         if (init_list(&list))
1260                 return 0;
1261
1262         if (fs_type)
1263                 ext_type = fs_type;
1264         else if (is_hurd)
1265                 ext_type = "ext2";
1266         else if (!strcmp(program_name, "mke3fs"))
1267                 ext_type = "ext3";
1268         else if (!strcmp(program_name, "mke4fs"))
1269                 ext_type = "ext4";
1270         else if (progname) {
1271                 ext_type = strrchr(progname, '/');
1272                 if (ext_type)
1273                         ext_type++;
1274                 else
1275                         ext_type = progname;
1276
1277                 if (!strncmp(ext_type, "mkfs.", 5)) {
1278                         ext_type += 5;
1279                         if (ext_type[0] == 0)
1280                                 ext_type = 0;
1281                 } else
1282                         ext_type = 0;
1283         }
1284
1285         if (!ext_type) {
1286                 profile_get_string(profile, "defaults", "fs_type", 0,
1287                                    "ext2", &profile_type);
1288                 ext_type = profile_type;
1289                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1290                         ext_type = "ext3";
1291         }
1292
1293
1294         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1295             strcmp(ext_type, "ext2")) {
1296                 printf(_("\nYour mke2fs.conf file does not define the "
1297                          "%s filesystem type.\n"), ext_type);
1298                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1299                     !strcmp(ext_type, "ext4dev")) {
1300                         printf("%s", _("You probably need to install an "
1301                                        "updated mke2fs.conf file.\n\n"));
1302                 }
1303                 if (!force) {
1304                         printf("%s", _("Aborting...\n"));
1305                         exit(1);
1306                 }
1307         }
1308
1309         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1310         if (fs_blocks_count < 3 * meg)
1311                 size_type = "floppy";
1312         else if (fs_blocks_count < 512 * meg)
1313                 size_type = "small";
1314         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1315                 size_type = "default";
1316         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1317                 size_type = "big";
1318         else
1319                 size_type = "huge";
1320
1321         if (!usage_types)
1322                 usage_types = size_type;
1323
1324         parse_str = malloc(strlen(usage_types)+1);
1325         if (!parse_str) {
1326                 free(profile_type);
1327                 free(list.list);
1328                 return 0;
1329         }
1330         strcpy(parse_str, usage_types);
1331
1332         if (ext_type)
1333                 push_string(&list, ext_type);
1334         cp = parse_str;
1335         while (1) {
1336                 t = strchr(cp, ',');
1337                 if (t)
1338                         *t = '\0';
1339
1340                 if (*cp) {
1341                         if (profile_has_subsection(profile, "fs_types", cp))
1342                                 push_string(&list, cp);
1343                         else if (strcmp(cp, "default") != 0)
1344                                 fprintf(stderr,
1345                                         _("\nWarning: the fs_type %s is not "
1346                                           "defined in mke2fs.conf\n\n"),
1347                                         cp);
1348                 }
1349                 if (t)
1350                         cp = t+1;
1351                 else
1352                         break;
1353         }
1354         free(parse_str);
1355         free(profile_type);
1356         if (is_hurd)
1357                 push_string(&list, "hurd");
1358         return (list.list);
1359 }
1360
1361 char *get_string_from_profile(char **types, const char *opt,
1362                                      const char *def_val)
1363 {
1364         char *ret = 0;
1365         int i;
1366
1367         for (i=0; types[i]; i++);
1368         for (i-=1; i >=0 ; i--) {
1369                 profile_get_string(profile, "fs_types", types[i],
1370                                    opt, 0, &ret);
1371                 if (ret)
1372                         return ret;
1373         }
1374         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1375         return (ret);
1376 }
1377
1378 int get_int_from_profile(char **types, const char *opt, int def_val)
1379 {
1380         int ret;
1381         char **cpp;
1382
1383         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1384         for (cpp = types; *cpp; cpp++)
1385                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1386         return ret;
1387 }
1388
1389 static unsigned int get_uint_from_profile(char **types, const char *opt,
1390                                         unsigned int def_val)
1391 {
1392         unsigned int ret;
1393         char **cpp;
1394
1395         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1396         for (cpp = types; *cpp; cpp++)
1397                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1398         return ret;
1399 }
1400
1401 static double get_double_from_profile(char **types, const char *opt,
1402                                       double def_val)
1403 {
1404         double ret;
1405         char **cpp;
1406
1407         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1408         for (cpp = types; *cpp; cpp++)
1409                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1410         return ret;
1411 }
1412
1413 int get_bool_from_profile(char **types, const char *opt, int def_val)
1414 {
1415         int ret;
1416         char **cpp;
1417
1418         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1419         for (cpp = types; *cpp; cpp++)
1420                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1421         return ret;
1422 }
1423
1424 extern const char *mke2fs_default_profile;
1425 static const char *default_files[] = { "<default>", 0 };
1426
1427 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1428 /*
1429  * Sets the geometry of a device (stripe/stride), and returns the
1430  * device's alignment offset, if any, or a negative error.
1431  */
1432 static int get_device_geometry(const char *file,
1433                                struct ext2_super_block *param,
1434                                unsigned int psector_size)
1435 {
1436         int rc = -1;
1437         unsigned int blocksize;
1438         blkid_probe pr;
1439         blkid_topology tp;
1440         unsigned long min_io;
1441         unsigned long opt_io;
1442         struct stat statbuf;
1443
1444         /* Nothing to do for a regular file */
1445         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1446                 return 0;
1447
1448         pr = blkid_new_probe_from_filename(file);
1449         if (!pr)
1450                 goto out;
1451
1452         tp = blkid_probe_get_topology(pr);
1453         if (!tp)
1454                 goto out;
1455
1456         min_io = blkid_topology_get_minimum_io_size(tp);
1457         opt_io = blkid_topology_get_optimal_io_size(tp);
1458         blocksize = EXT2_BLOCK_SIZE(param);
1459         if ((min_io == 0) && (psector_size > blocksize))
1460                 min_io = psector_size;
1461         if ((opt_io == 0) && min_io)
1462                 opt_io = min_io;
1463         if ((opt_io == 0) && (psector_size > blocksize))
1464                 opt_io = psector_size;
1465
1466         /* setting stripe/stride to blocksize is pointless */
1467         if (min_io > blocksize)
1468                 param->s_raid_stride = min_io / blocksize;
1469         if (opt_io > blocksize)
1470                 param->s_raid_stripe_width = opt_io / blocksize;
1471
1472         rc = blkid_topology_get_alignment_offset(tp);
1473 out:
1474         blkid_free_probe(pr);
1475         return rc;
1476 }
1477 #endif
1478
1479 static void PRS(int argc, char *argv[])
1480 {
1481         int             b, c, flags;
1482         int             cluster_size = 0;
1483         char            *tmp, **cpp;
1484         int             explicit_fssize = 0;
1485         int             blocksize = 0;
1486         int             inode_ratio = 0;
1487         int             inode_size = 0;
1488         unsigned long   flex_bg_size = 0;
1489         double          reserved_ratio = -1.0;
1490         int             lsector_size = 0, psector_size = 0;
1491         int             show_version_only = 0, is_device = 0;
1492         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1493         errcode_t       retval;
1494         char *          oldpath = getenv("PATH");
1495         char *          extended_opts = 0;
1496         char *          fs_type = 0;
1497         char *          usage_types = 0;
1498         /*
1499          * NOTE: A few words about fs_blocks_count and blocksize:
1500          *
1501          * Initially, blocksize is set to zero, which implies 1024.
1502          * If -b is specified, blocksize is updated to the user's value.
1503          *
1504          * Next, the device size or the user's "blocks" command line argument
1505          * is used to set fs_blocks_count; the units are blocksize.
1506          *
1507          * Later, if blocksize hasn't been set and the profile specifies a
1508          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1509          * appropriately.  Note the change in units!
1510          *
1511          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1512          */
1513         blk64_t         fs_blocks_count = 0;
1514         long            sysval;
1515         int             s_opt = -1, r_opt = -1;
1516         char            *fs_features = 0;
1517         int             fs_features_size = 0;
1518         int             use_bsize;
1519         char            *newpath;
1520         int             pathlen = sizeof(PATH_SET) + 1;
1521
1522         if (oldpath)
1523                 pathlen += strlen(oldpath);
1524         newpath = malloc(pathlen);
1525         if (!newpath) {
1526                 fprintf(stderr, "%s",
1527                         _("Couldn't allocate memory for new PATH.\n"));
1528                 exit(1);
1529         }
1530         strcpy(newpath, PATH_SET);
1531
1532         /* Update our PATH to include /sbin  */
1533         if (oldpath) {
1534                 strcat (newpath, ":");
1535                 strcat (newpath, oldpath);
1536         }
1537         putenv (newpath);
1538
1539         /* Determine the system page size if possible */
1540 #ifdef HAVE_SYSCONF
1541 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1542 #define _SC_PAGESIZE _SC_PAGE_SIZE
1543 #endif
1544 #ifdef _SC_PAGESIZE
1545         sysval = sysconf(_SC_PAGESIZE);
1546         if (sysval > 0)
1547                 sys_page_size = sysval;
1548 #endif /* _SC_PAGESIZE */
1549 #endif /* HAVE_SYSCONF */
1550
1551         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1552                 config_fn[0] = tmp;
1553         profile_set_syntax_err_cb(syntax_err_report);
1554         retval = profile_init(config_fn, &profile);
1555         if (retval == ENOENT) {
1556                 retval = profile_init(default_files, &profile);
1557                 if (retval)
1558                         goto profile_error;
1559                 retval = profile_set_default(profile, mke2fs_default_profile);
1560                 if (retval)
1561                         goto profile_error;
1562         } else if (retval) {
1563 profile_error:
1564                 fprintf(stderr, _("Couldn't init profile successfully"
1565                                   " (error: %ld).\n"), retval);
1566                 exit(1);
1567         }
1568
1569         setbuf(stdout, NULL);
1570         setbuf(stderr, NULL);
1571         add_error_table(&et_ext2_error_table);
1572         add_error_table(&et_prof_error_table);
1573         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1574         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1575
1576         if (is_before_linux_ver(2, 2, 0))
1577                 fs_param.s_rev_level = 0;
1578
1579         if (argc && *argv) {
1580                 program_name = get_progname(*argv);
1581
1582                 /* If called as mkfs.ext3, create a journal inode */
1583                 if (!strcmp(program_name, "mkfs.ext3") ||
1584                     !strcmp(program_name, "mke3fs"))
1585                         journal_size = -1;
1586         }
1587
1588         while ((c = getopt (argc, argv,
1589                     "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) {
1590                 switch (c) {
1591                 case 'b':
1592                         blocksize = parse_num_blocks2(optarg, -1);
1593                         b = (blocksize > 0) ? blocksize : -blocksize;
1594                         if (b < EXT2_MIN_BLOCK_SIZE ||
1595                             b > EXT2_MAX_BLOCK_SIZE) {
1596                                 com_err(program_name, 0,
1597                                         _("invalid block size - %s"), optarg);
1598                                 exit(1);
1599                         }
1600                         if (blocksize > 4096)
1601                                 fprintf(stderr, _("Warning: blocksize %d not "
1602                                                   "usable on most systems.\n"),
1603                                         blocksize);
1604                         if (blocksize > 0)
1605                                 fs_param.s_log_block_size =
1606                                         int_log2(blocksize >>
1607                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1608                         break;
1609                 case 'c':       /* Check for bad blocks */
1610                         cflag++;
1611                         break;
1612                 case 'C':
1613                         cluster_size = parse_num_blocks2(optarg, -1);
1614                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1615                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1616                                 com_err(program_name, 0,
1617                                         _("invalid cluster size - %s"),
1618                                         optarg);
1619                                 exit(1);
1620                         }
1621                         break;
1622                 case 'd':
1623                         src_root_dir = optarg;
1624                         break;
1625                 case 'D':
1626                         direct_io = 1;
1627                         break;
1628                 case 'R':
1629                         com_err(program_name, 0, "%s",
1630                                 _("'-R' is deprecated, use '-E' instead"));
1631                         /* fallthrough */
1632                 case 'E':
1633                         extended_opts = optarg;
1634                         break;
1635                 case 'e':
1636                         if (strcmp(optarg, "continue") == 0)
1637                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1638                         else if (strcmp(optarg, "remount-ro") == 0)
1639                                 errors_behavior = EXT2_ERRORS_RO;
1640                         else if (strcmp(optarg, "panic") == 0)
1641                                 errors_behavior = EXT2_ERRORS_PANIC;
1642                         else {
1643                                 com_err(program_name, 0,
1644                                         _("bad error behavior - %s"),
1645                                         optarg);
1646                                 usage();
1647                         }
1648                         break;
1649                 case 'F':
1650                         force++;
1651                         break;
1652                 case 'g':
1653                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1654                         if (*tmp) {
1655                                 com_err(program_name, 0, "%s",
1656                                 _("Illegal number for blocks per group"));
1657                                 exit(1);
1658                         }
1659                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1660                                 com_err(program_name, 0, "%s",
1661                                 _("blocks per group must be multiple of 8"));
1662                                 exit(1);
1663                         }
1664                         break;
1665                 case 'G':
1666                         flex_bg_size = strtoul(optarg, &tmp, 0);
1667                         if (*tmp) {
1668                                 com_err(program_name, 0, "%s",
1669                                         _("Illegal number for flex_bg size"));
1670                                 exit(1);
1671                         }
1672                         if (flex_bg_size < 1 ||
1673                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1674                                 com_err(program_name, 0, "%s",
1675                                         _("flex_bg size must be a power of 2"));
1676                                 exit(1);
1677                         }
1678                         if (flex_bg_size > MAX_32_NUM) {
1679                                 com_err(program_name, 0,
1680                                 _("flex_bg size (%lu) must be less than"
1681                                 " or equal to 2^31"), flex_bg_size);
1682                                 exit(1);
1683                         }
1684                         break;
1685                 case 'i':
1686                         inode_ratio = parse_num_blocks(optarg, -1);
1687                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1688                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1689                                 com_err(program_name, 0,
1690                                         _("invalid inode ratio %s (min %d/max %d)"),
1691                                         optarg, EXT2_MIN_BLOCK_SIZE,
1692                                         EXT2_MAX_BLOCK_SIZE * 1024);
1693                                 exit(1);
1694                         }
1695                         break;
1696                 case 'I':
1697                         inode_size = strtoul(optarg, &tmp, 0);
1698                         if (*tmp) {
1699                                 com_err(program_name, 0,
1700                                         _("invalid inode size - %s"), optarg);
1701                                 exit(1);
1702                         }
1703                         break;
1704                 case 'j':
1705                         if (!journal_size)
1706                                 journal_size = -1;
1707                         break;
1708                 case 'J':
1709                         parse_journal_opts(optarg);
1710                         break;
1711                 case 'K':
1712                         fprintf(stderr, "%s",
1713                                 _("Warning: -K option is deprecated and "
1714                                   "should not be used anymore. Use "
1715                                   "\'-E nodiscard\' extended option "
1716                                   "instead!\n"));
1717                         discard = 0;
1718                         break;
1719                 case 'l':
1720                         bad_blocks_filename = realloc(bad_blocks_filename,
1721                                                       strlen(optarg) + 1);
1722                         if (!bad_blocks_filename) {
1723                                 com_err(program_name, ENOMEM, "%s",
1724                                         _("in malloc for bad_blocks_filename"));
1725                                 exit(1);
1726                         }
1727                         strcpy(bad_blocks_filename, optarg);
1728                         break;
1729                 case 'L':
1730                         volume_label = optarg;
1731                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1732                                 volume_label[EXT2_LABEL_LEN] = '\0';
1733                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1734                                         volume_label);
1735                         }
1736                         break;
1737                 case 'm':
1738                         reserved_ratio = strtod(optarg, &tmp);
1739                         if ( *tmp || reserved_ratio > 50 ||
1740                              reserved_ratio < 0) {
1741                                 com_err(program_name, 0,
1742                                         _("invalid reserved blocks percent - %s"),
1743                                         optarg);
1744                                 exit(1);
1745                         }
1746                         break;
1747                 case 'M':
1748                         mount_dir = optarg;
1749                         break;
1750                 case 'n':
1751                         noaction++;
1752                         break;
1753                 case 'N':
1754                         num_inodes = strtoul(optarg, &tmp, 0);
1755                         if (*tmp) {
1756                                 com_err(program_name, 0,
1757                                         _("bad num inodes - %s"), optarg);
1758                                         exit(1);
1759                         }
1760                         break;
1761                 case 'o':
1762                         creator_os = optarg;
1763                         break;
1764                 case 'O':
1765                         retval = ext2fs_resize_mem(fs_features_size,
1766                                    fs_features_size + 1 + strlen(optarg),
1767                                                    &fs_features);
1768                         if (retval) {
1769                                 com_err(program_name, retval,
1770                                      _("while allocating fs_feature string"));
1771                                 exit(1);
1772                         }
1773                         if (fs_features_size)
1774                                 strcat(fs_features, ",");
1775                         else
1776                                 fs_features[0] = 0;
1777                         strcat(fs_features, optarg);
1778                         fs_features_size += 1 + strlen(optarg);
1779                         break;
1780                 case 'q':
1781                         quiet = 1;
1782                         break;
1783                 case 'r':
1784                         r_opt = strtoul(optarg, &tmp, 0);
1785                         if (*tmp) {
1786                                 com_err(program_name, 0,
1787                                         _("bad revision level - %s"), optarg);
1788                                 exit(1);
1789                         }
1790                         if (r_opt > EXT2_MAX_SUPP_REV) {
1791                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1792                                         _("while trying to create revision %d"), r_opt);
1793                                 exit(1);
1794                         }
1795                         fs_param.s_rev_level = r_opt;
1796                         break;
1797                 case 's':       /* deprecated */
1798                         s_opt = atoi(optarg);
1799                         break;
1800                 case 'S':
1801                         super_only = 1;
1802                         break;
1803                 case 't':
1804                         if (fs_type) {
1805                                 com_err(program_name, 0, "%s",
1806                                     _("The -t option may only be used once"));
1807                                 exit(1);
1808                         }
1809                         fs_type = strdup(optarg);
1810                         break;
1811                 case 'T':
1812                         if (usage_types) {
1813                                 com_err(program_name, 0, "%s",
1814                                     _("The -T option may only be used once"));
1815                                 exit(1);
1816                         }
1817                         usage_types = strdup(optarg);
1818                         break;
1819                 case 'U':
1820                         fs_uuid = optarg;
1821                         break;
1822                 case 'v':
1823                         verbose = 1;
1824                         break;
1825                 case 'V':
1826                         /* Print version number and exit */
1827                         show_version_only++;
1828                         break;
1829                 case 'z':
1830                         undo_file = optarg;
1831                         break;
1832                 default:
1833                         usage();
1834                 }
1835         }
1836         if ((optind == argc) && !show_version_only)
1837                 usage();
1838         device_name = argv[optind++];
1839
1840         if (!quiet || show_version_only)
1841                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1842                          E2FSPROGS_DATE);
1843
1844         if (show_version_only) {
1845                 fprintf(stderr, _("\tUsing %s\n"),
1846                         error_message(EXT2_ET_BASE));
1847                 exit(0);
1848         }
1849
1850         /*
1851          * If there's no blocksize specified and there is a journal
1852          * device, use it to figure out the blocksize
1853          */
1854         if (blocksize <= 0 && journal_device) {
1855                 ext2_filsys     jfs;
1856                 io_manager      io_ptr;
1857
1858 #ifdef CONFIG_TESTIO_DEBUG
1859                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1860                         io_ptr = test_io_manager;
1861                         test_io_backing_manager = unix_io_manager;
1862                 } else
1863 #endif
1864                         io_ptr = unix_io_manager;
1865                 retval = ext2fs_open(journal_device,
1866                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1867                                      0, io_ptr, &jfs);
1868                 if (retval) {
1869                         com_err(program_name, retval,
1870                                 _("while trying to open journal device %s\n"),
1871                                 journal_device);
1872                         exit(1);
1873                 }
1874                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1875                         com_err(program_name, 0,
1876                                 _("Journal dev blocksize (%d) smaller than "
1877                                   "minimum blocksize %d\n"), jfs->blocksize,
1878                                 -blocksize);
1879                         exit(1);
1880                 }
1881                 blocksize = jfs->blocksize;
1882                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1883                 fs_param.s_log_block_size =
1884                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1885                 ext2fs_close_free(&jfs);
1886         }
1887
1888         if (optind < argc) {
1889                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1890                                                    fs_param.s_log_block_size);
1891                 if (!fs_blocks_count) {
1892                         com_err(program_name, 0,
1893                                 _("invalid blocks '%s' on device '%s'"),
1894                                 argv[optind - 1], device_name);
1895                         exit(1);
1896                 }
1897         }
1898         if (optind < argc)
1899                 usage();
1900
1901         profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1902                             &sync_kludge);
1903         tmp = getenv("MKE2FS_SYNC");
1904         if (tmp)
1905                 sync_kludge = atoi(tmp);
1906
1907         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1908                             &proceed_delay);
1909
1910         /* The isatty() test is so we don't break existing scripts */
1911         flags = CREATE_FILE;
1912         if (isatty(0) && isatty(1) && !offset)
1913                 flags |= CHECK_FS_EXIST;
1914         if (!quiet)
1915                 flags |= VERBOSE_CREATE;
1916         if (fs_blocks_count == 0)
1917                 flags |= NO_SIZE;
1918         else
1919                 explicit_fssize = 1;
1920         if (!check_plausibility(device_name, flags, &is_device) && !force)
1921                 proceed_question(proceed_delay);
1922
1923         check_mount(device_name, force, _("filesystem"));
1924
1925         /* Determine the size of the device (if possible) */
1926         if (noaction && fs_blocks_count) {
1927                 dev_size = fs_blocks_count;
1928                 retval = 0;
1929         } else
1930 #ifndef _WIN32
1931                 retval = ext2fs_get_device_size2(device_name,
1932                                                  EXT2_BLOCK_SIZE(&fs_param),
1933                                                  &dev_size);
1934 #else
1935                 retval = ext2fs_get_device_size(device_name,
1936                                                 EXT2_BLOCK_SIZE(&fs_param),
1937                                                 &dev_size);
1938 #endif
1939         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1940                 com_err(program_name, retval, "%s",
1941                         _("while trying to determine filesystem size"));
1942                 exit(1);
1943         }
1944         if (!fs_blocks_count) {
1945                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1946                         com_err(program_name, 0, "%s",
1947                                 _("Couldn't determine device size; you "
1948                                 "must specify\nthe size of the "
1949                                 "filesystem\n"));
1950                         exit(1);
1951                 } else {
1952                         if (dev_size == 0) {
1953                                 com_err(program_name, 0, "%s",
1954                                 _("Device size reported to be zero.  "
1955                                   "Invalid partition specified, or\n\t"
1956                                   "partition table wasn't reread "
1957                                   "after running fdisk, due to\n\t"
1958                                   "a modified partition being busy "
1959                                   "and in use.  You may need to reboot\n\t"
1960                                   "to re-read your partition table.\n"
1961                                   ));
1962                                 exit(1);
1963                         }
1964                         fs_blocks_count = dev_size;
1965                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1966                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1967                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1968                 }
1969         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1970                 com_err(program_name, 0, "%s",
1971                         _("Filesystem larger than apparent device size."));
1972                 proceed_question(proceed_delay);
1973         }
1974
1975         if (!fs_type)
1976                 profile_get_string(profile, "devices", device_name,
1977                                    "fs_type", 0, &fs_type);
1978         if (!usage_types)
1979                 profile_get_string(profile, "devices", device_name,
1980                                    "usage_types", 0, &usage_types);
1981
1982         /*
1983          * We have the file system (or device) size, so we can now
1984          * determine the appropriate file system types so the fs can
1985          * be appropriately configured.
1986          */
1987         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1988                                  fs_blocks_count ? fs_blocks_count : dev_size,
1989                                  argv[0]);
1990         if (!fs_types) {
1991                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1992                 exit(1);
1993         }
1994
1995         /* Figure out what features should be enabled */
1996
1997         tmp = NULL;
1998         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1999                 tmp = get_string_from_profile(fs_types, "base_features",
2000                       "sparse_super,large_file,filetype,resize_inode,dir_index");
2001                 edit_feature(tmp, &fs_param.s_feature_compat);
2002                 free(tmp);
2003
2004                 /* And which mount options as well */
2005                 tmp = get_string_from_profile(fs_types, "default_mntopts",
2006                                               "acl,user_xattr");
2007                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
2008                 if (tmp)
2009                         free(tmp);
2010
2011                 for (cpp = fs_types; *cpp; cpp++) {
2012                         tmp = NULL;
2013                         profile_get_string(profile, "fs_types", *cpp,
2014                                            "features", "", &tmp);
2015                         if (tmp && *tmp)
2016                                 edit_feature(tmp, &fs_param.s_feature_compat);
2017                         if (tmp)
2018                                 free(tmp);
2019                 }
2020                 tmp = get_string_from_profile(fs_types, "default_features",
2021                                               "");
2022         }
2023         /* Mask off features which aren't supported by the Hurd */
2024         if (for_hurd(creator_os)) {
2025                 ext2fs_clear_feature_filetype(&fs_param);
2026                 ext2fs_clear_feature_huge_file(&fs_param);
2027                 ext2fs_clear_feature_metadata_csum(&fs_param);
2028                 ext2fs_clear_feature_ea_inode(&fs_param);
2029         }
2030         edit_feature(fs_features ? fs_features : tmp,
2031                      &fs_param.s_feature_compat);
2032         if (tmp)
2033                 free(tmp);
2034         (void) ext2fs_free_mem(&fs_features);
2035         /*
2036          * If the user specified features incompatible with the Hurd, complain
2037          */
2038         if (for_hurd(creator_os)) {
2039                 if (ext2fs_has_feature_filetype(&fs_param)) {
2040                         fprintf(stderr, "%s", _("The HURD does not support the "
2041                                                 "filetype feature.\n"));
2042                         exit(1);
2043                 }
2044                 if (ext2fs_has_feature_huge_file(&fs_param)) {
2045                         fprintf(stderr, "%s", _("The HURD does not support the "
2046                                                 "huge_file feature.\n"));
2047                         exit(1);
2048                 }
2049                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2050                         fprintf(stderr, "%s", _("The HURD does not support the "
2051                                                 "metadata_csum feature.\n"));
2052                         exit(1);
2053                 }
2054                 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2055                         fprintf(stderr, "%s", _("The HURD does not support the "
2056                                                 "ea_inode feature.\n"));
2057                         exit(1);
2058                 }
2059         }
2060
2061         /* Get the hardware sector sizes, if available */
2062         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2063         if (retval) {
2064                 com_err(program_name, retval, "%s",
2065                         _("while trying to determine hardware sector size"));
2066                 exit(1);
2067         }
2068         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2069         if (retval) {
2070                 com_err(program_name, retval, "%s",
2071                         _("while trying to determine physical sector size"));
2072                 exit(1);
2073         }
2074
2075         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2076         if (tmp != NULL)
2077                 lsector_size = atoi(tmp);
2078         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2079         if (tmp != NULL)
2080                 psector_size = atoi(tmp);
2081
2082         /* Older kernels may not have physical/logical distinction */
2083         if (!psector_size)
2084                 psector_size = lsector_size;
2085
2086         if (blocksize <= 0) {
2087                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2088
2089                 if (use_bsize == -1) {
2090                         use_bsize = sys_page_size;
2091                         if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2092                                 use_bsize = 4096;
2093                 }
2094                 if (lsector_size && use_bsize < lsector_size)
2095                         use_bsize = lsector_size;
2096                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2097                         use_bsize = -blocksize;
2098                 blocksize = use_bsize;
2099                 fs_blocks_count /= (blocksize / 1024);
2100         } else {
2101                 if (blocksize < lsector_size) {                 /* Impossible */
2102                         com_err(program_name, EINVAL, "%s",
2103                                 _("while setting blocksize; too small "
2104                                   "for device\n"));
2105                         exit(1);
2106                 } else if ((blocksize < psector_size) &&
2107                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2108                         fprintf(stderr, _("Warning: specified blocksize %d is "
2109                                 "less than device physical sectorsize %d\n"),
2110                                 blocksize, psector_size);
2111                 }
2112         }
2113
2114         fs_param.s_log_block_size =
2115                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2116
2117         /*
2118          * We now need to do a sanity check of fs_blocks_count for
2119          * 32-bit vs 64-bit block number support.
2120          */
2121         if ((fs_blocks_count > MAX_32_NUM) &&
2122             ext2fs_has_feature_64bit(&fs_param))
2123                 ext2fs_clear_feature_resize_inode(&fs_param);
2124         if ((fs_blocks_count > MAX_32_NUM) &&
2125             !ext2fs_has_feature_64bit(&fs_param) &&
2126             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2127                 ext2fs_set_feature_64bit(&fs_param);
2128                 ext2fs_clear_feature_resize_inode(&fs_param);
2129         }
2130         if ((fs_blocks_count > MAX_32_NUM) &&
2131             !ext2fs_has_feature_64bit(&fs_param)) {
2132                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2133                                   "too big to be expressed\n\t"
2134                                   "in 32 bits using a blocksize of %d.\n"),
2135                         program_name, fs_blocks_count, device_name,
2136                         EXT2_BLOCK_SIZE(&fs_param));
2137                 exit(1);
2138         }
2139         /*
2140          * Guard against group descriptor count overflowing... Mostly to avoid
2141          * strange results for absurdly large devices.
2142          */
2143         if (fs_blocks_count > ((1ULL << (fs_param.s_log_block_size + 3 + 32)) - 1)) {
2144                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2145                                   "too big to create\n\t"
2146                                   "a filesystem using a blocksize of %d.\n"),
2147                         program_name, fs_blocks_count, device_name,
2148                         EXT2_BLOCK_SIZE(&fs_param));
2149                 exit(1);
2150         }
2151
2152         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2153
2154         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2155                 int i;
2156
2157                 for (i=0; fs_types[i]; i++) {
2158                         free(fs_types[i]);
2159                         fs_types[i] = 0;
2160                 }
2161                 fs_types[0] = strdup("journal");
2162                 fs_types[1] = 0;
2163         }
2164
2165         if (verbose) {
2166                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2167                 print_str_list(fs_types);
2168         }
2169
2170         if (r_opt == EXT2_GOOD_OLD_REV &&
2171             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2172              fs_param.s_feature_ro_compat)) {
2173                 fprintf(stderr, "%s", _("Filesystem features not supported "
2174                                         "with revision 0 filesystems\n"));
2175                 exit(1);
2176         }
2177
2178         if (s_opt > 0) {
2179                 if (r_opt == EXT2_GOOD_OLD_REV) {
2180                         fprintf(stderr, "%s",
2181                                 _("Sparse superblocks not supported "
2182                                   "with revision 0 filesystems\n"));
2183                         exit(1);
2184                 }
2185                 ext2fs_set_feature_sparse_super(&fs_param);
2186         } else if (s_opt == 0)
2187                 ext2fs_clear_feature_sparse_super(&fs_param);
2188
2189         if (journal_size != 0) {
2190                 if (r_opt == EXT2_GOOD_OLD_REV) {
2191                         fprintf(stderr, "%s", _("Journals not supported with "
2192                                                 "revision 0 filesystems\n"));
2193                         exit(1);
2194                 }
2195                 ext2fs_set_feature_journal(&fs_param);
2196         }
2197
2198         /* Get reserved_ratio from profile if not specified on cmd line. */
2199         if (reserved_ratio < 0.0) {
2200                 reserved_ratio = get_double_from_profile(
2201                                         fs_types, "reserved_ratio", 5.0);
2202                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2203                         com_err(program_name, 0,
2204                                 _("invalid reserved blocks percent - %lf"),
2205                                 reserved_ratio);
2206                         exit(1);
2207                 }
2208         }
2209
2210         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2211                 reserved_ratio = 0;
2212                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2213                 fs_param.s_feature_compat = 0;
2214                 fs_param.s_feature_ro_compat &=
2215                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2216         }
2217
2218         /* Check the user's mkfs options for 64bit */
2219         if (ext2fs_has_feature_64bit(&fs_param) &&
2220             !ext2fs_has_feature_extents(&fs_param)) {
2221                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2222                                "filesystem.  Pass -O extents to rectify.\n"));
2223                 exit(1);
2224         }
2225
2226         /* Set first meta blockgroup via an environment variable */
2227         /* (this is mostly for debugging purposes) */
2228         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2229             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2230                 fs_param.s_first_meta_bg = atoi(tmp);
2231         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2232                 if (!cluster_size)
2233                         cluster_size = get_int_from_profile(fs_types,
2234                                                             "cluster_size",
2235                                                             blocksize*16);
2236                 fs_param.s_log_cluster_size =
2237                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2238                 if (fs_param.s_log_cluster_size &&
2239                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2240                         com_err(program_name, 0, "%s",
2241                                 _("The cluster size may not be "
2242                                   "smaller than the block size.\n"));
2243                         exit(1);
2244                 }
2245         } else if (cluster_size) {
2246                 com_err(program_name, 0, "%s",
2247                         _("specifying a cluster size requires the "
2248                           "bigalloc feature"));
2249                 exit(1);
2250         } else
2251                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2252
2253         if (inode_ratio == 0) {
2254                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2255                                                    8192);
2256                 if (inode_ratio < blocksize)
2257                         inode_ratio = blocksize;
2258                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2259                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2260         }
2261
2262 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2263         retval = get_device_geometry(device_name, &fs_param,
2264                                      (unsigned int) psector_size);
2265         if (retval < 0) {
2266                 fprintf(stderr,
2267                         _("warning: Unable to get device geometry for %s\n"),
2268                         device_name);
2269         } else if (retval) {
2270                 printf(_("%s alignment is offset by %lu bytes.\n"),
2271                        device_name, retval);
2272                 printf(_("This may result in very poor performance, "
2273                           "(re)-partitioning suggested.\n"));
2274         }
2275 #endif
2276
2277         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2278
2279         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2280
2281         /*
2282          * Initialize s_desc_size so that the parse_extended_opts()
2283          * can correctly handle "-E resize=NNN" if the 64-bit option
2284          * is set.
2285          */
2286         if (ext2fs_has_feature_64bit(&fs_param))
2287                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2288
2289         /* This check should happen beyond the last assignment to blocksize */
2290         if (blocksize > sys_page_size) {
2291                 if (!force) {
2292                         com_err(program_name, 0,
2293                                 _("%d-byte blocks too big for system (max %d)"),
2294                                 blocksize, sys_page_size);
2295                         proceed_question(proceed_delay);
2296                 }
2297                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2298                                   "(max %d), forced to continue\n"),
2299                         blocksize, sys_page_size);
2300         }
2301
2302         /* Metadata checksumming wasn't totally stable before 3.18. */
2303         if (is_before_linux_ver(3, 18, 0) &&
2304             ext2fs_has_feature_metadata_csum(&fs_param))
2305                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2306                         "improved stability of the metadata and journal "
2307                         "checksum features.\n"));
2308
2309         /*
2310          * On newer kernels we do have lazy_itable_init support. So pick the
2311          * right default in case ext4 module is not loaded.
2312          */
2313         if (is_before_linux_ver(2, 6, 37))
2314                 lazy_itable_init = 0;
2315         else
2316                 lazy_itable_init = 1;
2317
2318         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2319                 lazy_itable_init = 1;
2320
2321         lazy_itable_init = get_bool_from_profile(fs_types,
2322                                                  "lazy_itable_init",
2323                                                  lazy_itable_init);
2324         discard = get_bool_from_profile(fs_types, "discard" , discard);
2325         journal_flags |= get_bool_from_profile(fs_types,
2326                                                "lazy_journal_init", 0) ?
2327                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2328         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2329
2330         if (!journal_location_string)
2331                 journal_location_string = get_string_from_profile(fs_types,
2332                                                 "journal_location", "");
2333         if ((journal_location == ~0ULL) && journal_location_string &&
2334             *journal_location_string)
2335                 journal_location = parse_num_blocks2(journal_location_string,
2336                                                 fs_param.s_log_block_size);
2337         free(journal_location_string);
2338
2339         packed_meta_blocks = get_bool_from_profile(fs_types,
2340                                                    "packed_meta_blocks", 0);
2341         if (packed_meta_blocks)
2342                 journal_location = 0;
2343
2344         /* Get options from profile */
2345         for (cpp = fs_types; *cpp; cpp++) {
2346                 tmp = NULL;
2347                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2348                         if (tmp && *tmp)
2349                                 parse_extended_opts(&fs_param, tmp);
2350                         free(tmp);
2351         }
2352
2353         if (extended_opts)
2354                 parse_extended_opts(&fs_param, extended_opts);
2355
2356         if (explicit_fssize == 0 && offset > 0) {
2357                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2358                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2359                 fprintf(stderr,
2360                         _("\nWarning: offset specified without an "
2361                           "explicit file system size.\n"
2362                           "Creating a file system with %llu blocks "
2363                           "but this might\n"
2364                           "not be what you want.\n\n"),
2365                         (unsigned long long) fs_blocks_count);
2366         }
2367
2368         if (quotatype_bits & QUOTA_PRJ_BIT)
2369                 ext2fs_set_feature_project(&fs_param);
2370
2371         if (ext2fs_has_feature_project(&fs_param)) {
2372                 quotatype_bits |= QUOTA_PRJ_BIT;
2373                 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2374                         com_err(program_name, 0,
2375                                 _("%d byte inodes are too small for "
2376                                   "project quota"),
2377                                 inode_size);
2378                         exit(1);
2379                 }
2380                 if (inode_size == 0) {
2381                         inode_size = get_int_from_profile(fs_types,
2382                                                           "inode_size", 0);
2383                         if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2384                                 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2385                 }
2386         }
2387
2388         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2389         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2390             ext2fs_has_feature_gdt_csum(&fs_param))
2391                 ext2fs_clear_feature_gdt_csum(&fs_param);
2392
2393         /* Can't support bigalloc feature without extents feature */
2394         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2395             !ext2fs_has_feature_extents(&fs_param)) {
2396                 com_err(program_name, 0, "%s",
2397                         _("Can't support bigalloc feature without "
2398                           "extents feature"));
2399                 exit(1);
2400         }
2401
2402         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2403             ext2fs_has_feature_resize_inode(&fs_param)) {
2404                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2405                                         "features are not compatible.\n"
2406                                         "They can not be both enabled "
2407                                         "simultaneously.\n"));
2408                 exit(1);
2409         }
2410
2411         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2412                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2413                                   "still under development\n"
2414                                   "See https://ext4.wiki.kernel.org/"
2415                                   "index.php/Bigalloc for more information\n\n"));
2416
2417         /*
2418          * Since sparse_super is the default, we would only have a problem
2419          * here if it was explicitly disabled.
2420          */
2421         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2422             !ext2fs_has_feature_sparse_super(&fs_param)) {
2423                 com_err(program_name, 0, "%s",
2424                         _("reserved online resize blocks not supported "
2425                           "on non-sparse filesystem"));
2426                 exit(1);
2427         }
2428
2429         if (fs_param.s_blocks_per_group) {
2430                 if (fs_param.s_blocks_per_group < 256 ||
2431                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2432                         com_err(program_name, 0, "%s",
2433                                 _("blocks per group count out of range"));
2434                         exit(1);
2435                 }
2436         }
2437
2438         /*
2439          * If the bigalloc feature is enabled, then the -g option will
2440          * specify the number of clusters per group.
2441          */
2442         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2443                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2444                 fs_param.s_blocks_per_group = 0;
2445         }
2446
2447         if (inode_size == 0)
2448                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2449         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2450                 flex_bg_size = get_uint_from_profile(fs_types,
2451                                                      "flex_bg_size", 16);
2452         if (flex_bg_size) {
2453                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2454                         com_err(program_name, 0, "%s",
2455                                 _("Flex_bg feature not enabled, so "
2456                                   "flex_bg size may not be specified"));
2457                         exit(1);
2458                 }
2459                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2460         }
2461
2462         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2463                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2464                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2465                     inode_size & (inode_size - 1)) {
2466                         com_err(program_name, 0,
2467                                 _("invalid inode size %d (min %d/max %d)"),
2468                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2469                                 blocksize);
2470                         exit(1);
2471                 }
2472                 fs_param.s_inode_size = inode_size;
2473         }
2474
2475         /*
2476          * If inode size is 128 and inline data is enabled, we need
2477          * to notify users that inline data will never be useful.
2478          */
2479         if (ext2fs_has_feature_inline_data(&fs_param) &&
2480             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2481                 com_err(program_name, 0,
2482                         _("%d byte inodes are too small for inline data; "
2483                           "specify larger size"),
2484                         fs_param.s_inode_size);
2485                 exit(1);
2486         }
2487
2488         /* Make sure number of inodes specified will fit in 32 bits */
2489         if (num_inodes == 0) {
2490                 unsigned long long n;
2491                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2492                 if (n > MAX_32_NUM) {
2493                         if (ext2fs_has_feature_64bit(&fs_param))
2494                                 num_inodes = MAX_32_NUM;
2495                         else {
2496                                 com_err(program_name, 0,
2497                                         _("too many inodes (%llu), raise "
2498                                           "inode ratio?"), n);
2499                                 exit(1);
2500                         }
2501                 }
2502         } else if (num_inodes > MAX_32_NUM) {
2503                 com_err(program_name, 0,
2504                         _("too many inodes (%llu), specify < 2^32 inodes"),
2505                           num_inodes);
2506                 exit(1);
2507         }
2508         /*
2509          * Calculate number of inodes based on the inode ratio
2510          */
2511         fs_param.s_inodes_count = num_inodes ? num_inodes :
2512                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2513
2514         if ((((unsigned long long)fs_param.s_inodes_count) *
2515              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2516             ((ext2fs_blocks_count(&fs_param)) *
2517              EXT2_BLOCK_SIZE(&fs_param))) {
2518                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2519                                           "(%u) too big for a\n\t"
2520                                           "filesystem with %llu blocks, "
2521                                           "specify higher inode_ratio (-i)\n\t"
2522                                           "or lower inode count (-N).\n"),
2523                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2524                         fs_param.s_inodes_count,
2525                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2526                 exit(1);
2527         }
2528
2529         /*
2530          * Calculate number of blocks to reserve
2531          */
2532         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2533                                   ext2fs_blocks_count(&fs_param) / 100.0);
2534
2535         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2536                 if (num_backups >= 1)
2537                         fs_param.s_backup_bgs[0] = 1;
2538                 if (num_backups >= 2)
2539                         fs_param.s_backup_bgs[1] = ~0;
2540         }
2541
2542         free(fs_type);
2543         free(usage_types);
2544 }
2545
2546 static int should_do_undo(const char *name)
2547 {
2548         errcode_t retval;
2549         io_channel channel;
2550         __u16   s_magic;
2551         struct ext2_super_block super;
2552         io_manager manager = unix_io_manager;
2553         int csum_flag, force_undo;
2554
2555         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2556                     ext2fs_has_feature_gdt_csum(&fs_param);
2557         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2558         if (!force_undo && (!csum_flag || !lazy_itable_init))
2559                 return 0;
2560
2561         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2562         if (retval) {
2563                 /*
2564                  * We don't handle error cases instead we
2565                  * declare that the file system doesn't exist
2566                  * and let the rest of mke2fs take care of
2567                  * error
2568                  */
2569                 retval = 0;
2570                 goto open_err_out;
2571         }
2572
2573         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2574         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2575         if (retval) {
2576                 retval = 0;
2577                 goto err_out;
2578         }
2579
2580 #if defined(WORDS_BIGENDIAN)
2581         s_magic = ext2fs_swab16(super.s_magic);
2582 #else
2583         s_magic = super.s_magic;
2584 #endif
2585
2586         if (s_magic == EXT2_SUPER_MAGIC)
2587                 retval = 1;
2588
2589 err_out:
2590         io_channel_close(channel);
2591
2592 open_err_out:
2593
2594         return retval;
2595 }
2596
2597 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2598 {
2599         errcode_t retval = ENOMEM;
2600         char *tdb_dir = NULL, *tdb_file = NULL;
2601         char *dev_name, *tmp_name;
2602         int free_tdb_dir = 0;
2603
2604         /* (re)open a specific undo file */
2605         if (undo_file && undo_file[0] != 0) {
2606                 retval = set_undo_io_backing_manager(*io_ptr);
2607                 if (retval)
2608                         goto err;
2609                 *io_ptr = undo_io_manager;
2610                 retval = set_undo_io_backup_file(undo_file);
2611                 if (retval)
2612                         goto err;
2613                 printf(_("Overwriting existing filesystem; this can be undone "
2614                          "using the command:\n"
2615                          "    e2undo %s %s\n\n"), undo_file, name);
2616                 return retval;
2617         }
2618
2619         /*
2620          * Configuration via a conf file would be
2621          * nice
2622          */
2623         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2624         if (!tdb_dir) {
2625                 profile_get_string(profile, "defaults",
2626                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2627                                    &tdb_dir);
2628                 free_tdb_dir = 1;
2629         }
2630
2631         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2632             access(tdb_dir, W_OK)) {
2633                 if (free_tdb_dir)
2634                         free(tdb_dir);
2635                 return 0;
2636         }
2637
2638         tmp_name = strdup(name);
2639         if (!tmp_name)
2640                 goto errout;
2641         dev_name = basename(tmp_name);
2642         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2643         if (!tdb_file) {
2644                 free(tmp_name);
2645                 goto errout;
2646         }
2647         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2648         free(tmp_name);
2649
2650         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2651                 retval = errno;
2652                 com_err(program_name, retval,
2653                         _("while trying to delete %s"), tdb_file);
2654                 goto errout;
2655         }
2656
2657         retval = set_undo_io_backing_manager(*io_ptr);
2658         if (retval)
2659                 goto errout;
2660         *io_ptr = undo_io_manager;
2661         retval = set_undo_io_backup_file(tdb_file);
2662         if (retval)
2663                 goto errout;
2664         printf(_("Overwriting existing filesystem; this can be undone "
2665                  "using the command:\n"
2666                  "    e2undo %s %s\n\n"), tdb_file, name);
2667
2668         if (free_tdb_dir)
2669                 free(tdb_dir);
2670         free(tdb_file);
2671         return 0;
2672
2673 errout:
2674         if (free_tdb_dir)
2675                 free(tdb_dir);
2676         free(tdb_file);
2677 err:
2678         com_err(program_name, retval, "%s",
2679                 _("while trying to setup undo file\n"));
2680         return retval;
2681 }
2682
2683 static int mke2fs_discard_device(ext2_filsys fs)
2684 {
2685         struct ext2fs_numeric_progress_struct progress;
2686         blk64_t blocks = ext2fs_blocks_count(fs->super);
2687         blk64_t count = DISCARD_STEP_MB;
2688         blk64_t cur;
2689         int retval = 0;
2690
2691         /*
2692          * Let's try if discard really works on the device, so
2693          * we do not print numeric progress resulting in failure
2694          * afterwards.
2695          */
2696         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2697         if (retval)
2698                 return retval;
2699         cur = fs->blocksize;
2700
2701         count *= (1024 * 1024);
2702         count /= fs->blocksize;
2703
2704         ext2fs_numeric_progress_init(fs, &progress,
2705                                      _("Discarding device blocks: "),
2706                                      blocks);
2707         while (cur < blocks) {
2708                 ext2fs_numeric_progress_update(fs, &progress, cur);
2709
2710                 if (cur + count > blocks)
2711                         count = blocks - cur;
2712
2713                 retval = io_channel_discard(fs->io, cur, count);
2714                 if (retval)
2715                         break;
2716                 cur += count;
2717         }
2718
2719         if (retval) {
2720                 ext2fs_numeric_progress_close(fs, &progress,
2721                                       _("failed - "));
2722                 if (!quiet)
2723                         printf("%s\n",error_message(retval));
2724         } else
2725                 ext2fs_numeric_progress_close(fs, &progress,
2726                                       _("done                            \n"));
2727
2728         return retval;
2729 }
2730
2731 static void fix_cluster_bg_counts(ext2_filsys fs)
2732 {
2733         blk64_t         block, num_blocks, last_block, next;
2734         blk64_t         tot_free = 0;
2735         errcode_t       retval;
2736         dgrp_t          group = 0;
2737         int             grp_free = 0;
2738
2739         num_blocks = ext2fs_blocks_count(fs->super);
2740         last_block = ext2fs_group_last_block2(fs, group);
2741         block = fs->super->s_first_data_block;
2742         while (block < num_blocks) {
2743                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2744                                                 block, last_block, &next);
2745                 if (retval == 0)
2746                         block = next;
2747                 else {
2748                         block = last_block + 1;
2749                         goto next_bg;
2750                 }
2751
2752                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2753                                                 block, last_block, &next);
2754                 if (retval)
2755                         next = last_block + 1;
2756                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2757                 tot_free += next - block;
2758                 block = next;
2759
2760                 if (block > last_block) {
2761                 next_bg:
2762                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2763                         ext2fs_group_desc_csum_set(fs, group);
2764                         grp_free = 0;
2765                         group++;
2766                         last_block = ext2fs_group_last_block2(fs, group);
2767                 }
2768         }
2769         ext2fs_free_blocks_count_set(fs->super, tot_free);
2770 }
2771
2772 static int create_quota_inodes(ext2_filsys fs)
2773 {
2774         quota_ctx_t qctx;
2775         errcode_t retval;
2776
2777         retval = quota_init_context(&qctx, fs, quotatype_bits);
2778         if (retval) {
2779                 com_err(program_name, retval,
2780                         _("while initializing quota context"));
2781                 exit(1);
2782         }
2783         quota_compute_usage(qctx);
2784         retval = quota_write_inode(qctx, quotatype_bits);
2785         if (retval) {
2786                 com_err(program_name, retval,
2787                         _("while writing quota inodes"));
2788                 exit(1);
2789         }
2790         quota_release_context(&qctx);
2791
2792         return 0;
2793 }
2794
2795 static errcode_t set_error_behavior(ext2_filsys fs)
2796 {
2797         char    *arg = NULL;
2798         short   errors = fs->super->s_errors;
2799
2800         arg = get_string_from_profile(fs_types, "errors", NULL);
2801         if (arg == NULL)
2802                 goto try_user;
2803
2804         if (strcmp(arg, "continue") == 0)
2805                 errors = EXT2_ERRORS_CONTINUE;
2806         else if (strcmp(arg, "remount-ro") == 0)
2807                 errors = EXT2_ERRORS_RO;
2808         else if (strcmp(arg, "panic") == 0)
2809                 errors = EXT2_ERRORS_PANIC;
2810         else {
2811                 com_err(program_name, 0,
2812                         _("bad error behavior in profile - %s"),
2813                         arg);
2814                 free(arg);
2815                 return EXT2_ET_INVALID_ARGUMENT;
2816         }
2817         free(arg);
2818
2819 try_user:
2820         if (errors_behavior)
2821                 errors = errors_behavior;
2822
2823         fs->super->s_errors = errors;
2824         return 0;
2825 }
2826
2827 int main (int argc, char *argv[])
2828 {
2829         errcode_t       retval = 0;
2830         ext2_filsys     fs;
2831         badblocks_list  bb_list = 0;
2832         unsigned int    journal_blocks = 0;
2833         unsigned int    i, checkinterval;
2834         int             max_mnt_count;
2835         int             val, hash_alg;
2836         int             flags;
2837         int             old_bitmaps;
2838         io_manager      io_ptr;
2839         char            opt_string[40];
2840         char            *hash_alg_str;
2841         int             itable_zeroed = 0;
2842
2843 #ifdef ENABLE_NLS
2844         setlocale(LC_MESSAGES, "");
2845         setlocale(LC_CTYPE, "");
2846         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2847         textdomain(NLS_CAT_NAME);
2848         set_com_err_gettext(gettext);
2849 #endif
2850         PRS(argc, argv);
2851
2852 #ifdef CONFIG_TESTIO_DEBUG
2853         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2854                 io_ptr = test_io_manager;
2855                 test_io_backing_manager = unix_io_manager;
2856         } else
2857 #endif
2858                 io_ptr = unix_io_manager;
2859
2860         if (undo_file != NULL || should_do_undo(device_name)) {
2861                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2862                 if (retval)
2863                         exit(1);
2864         }
2865
2866         /*
2867          * Initialize the superblock....
2868          */
2869         flags = EXT2_FLAG_EXCLUSIVE;
2870         if (direct_io)
2871                 flags |= EXT2_FLAG_DIRECT_IO;
2872         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2873                             &old_bitmaps);
2874         if (!old_bitmaps)
2875                 flags |= EXT2_FLAG_64BITS;
2876         /*
2877          * By default, we print how many inode tables or block groups
2878          * or whatever we've written so far.  The quiet flag disables
2879          * this, along with a lot of other output.
2880          */
2881         if (!quiet)
2882                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2883         if (android_sparse_file) {
2884                 char *android_sparse_params = malloc(strlen(device_name) + 48);
2885
2886                 if (!android_sparse_params) {
2887                         com_err(program_name, ENOMEM, "%s",
2888                                 _("in malloc for android_sparse_params"));
2889                         exit(1);
2890                 }
2891                 sprintf(android_sparse_params, "(%s):%u:%u",
2892                          device_name, fs_param.s_blocks_count,
2893                          1024 << fs_param.s_log_block_size);
2894                 retval = ext2fs_initialize(android_sparse_params, flags,
2895                                            &fs_param, sparse_io_manager, &fs);
2896                 free(android_sparse_params);
2897         } else
2898                 retval = ext2fs_initialize(device_name, flags, &fs_param,
2899                                            io_ptr, &fs);
2900         if (retval) {
2901                 com_err(device_name, retval, "%s",
2902                         _("while setting up superblock"));
2903                 exit(1);
2904         }
2905         fs->progress_ops = &ext2fs_numeric_progress_ops;
2906
2907         /* Set the error behavior */
2908         retval = set_error_behavior(fs);
2909         if (retval)
2910                 usage();
2911
2912         /* Check the user's mkfs options for metadata checksumming */
2913         if (!quiet &&
2914             !ext2fs_has_feature_journal_dev(fs->super) &&
2915             ext2fs_has_feature_metadata_csum(fs->super)) {
2916                 if (!ext2fs_has_feature_extents(fs->super))
2917                         printf("%s",
2918                                _("Extents are not enabled.  The file extent "
2919                                  "tree can be checksummed, whereas block maps "
2920                                  "cannot.  Not enabling extents reduces the "
2921                                  "coverage of metadata checksumming.  "
2922                                  "Pass -O extents to rectify.\n"));
2923                 if (!ext2fs_has_feature_64bit(fs->super))
2924                         printf("%s",
2925                                _("64-bit filesystem support is not enabled.  "
2926                                  "The larger fields afforded by this feature "
2927                                  "enable full-strength checksumming.  "
2928                                  "Pass -O 64bit to rectify.\n"));
2929         }
2930
2931         if (ext2fs_has_feature_csum_seed(fs->super) &&
2932             !ext2fs_has_feature_metadata_csum(fs->super)) {
2933                 printf("%s", _("The metadata_csum_seed feature "
2934                                "requires the metadata_csum feature.\n"));
2935                 exit(1);
2936         }
2937
2938         /* Calculate journal blocks */
2939         if (!journal_device && ((journal_size) ||
2940             ext2fs_has_feature_journal(&fs_param)))
2941                 journal_blocks = figure_journal_size(journal_size, fs);
2942
2943         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2944                 32768 : fs->blocksize * 8);
2945         io_channel_set_options(fs->io, opt_string);
2946         if (offset) {
2947                 sprintf(opt_string, "offset=%llu", offset);
2948                 io_channel_set_options(fs->io, opt_string);
2949         }
2950
2951         /* Can't undo discard ... */
2952         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
2953                 retval = mke2fs_discard_device(fs);
2954                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2955                         if (verbose)
2956                                 printf("%s",
2957                                        _("Discard succeeded and will return "
2958                                          "0s - skipping inode table wipe\n"));
2959                         lazy_itable_init = 1;
2960                         itable_zeroed = 1;
2961                         zero_hugefile = 0;
2962                 }
2963         }
2964
2965         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2966                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2967
2968         if (ext2fs_has_feature_flex_bg(&fs_param) ||
2969             ext2fs_has_feature_huge_file(&fs_param) ||
2970             ext2fs_has_feature_gdt_csum(&fs_param) ||
2971             ext2fs_has_feature_dir_nlink(&fs_param) ||
2972             ext2fs_has_feature_metadata_csum(&fs_param) ||
2973             ext2fs_has_feature_extra_isize(&fs_param))
2974                 fs->super->s_kbytes_written = 1;
2975
2976         /*
2977          * Wipe out the old on-disk superblock
2978          */
2979         if (!noaction)
2980                 zap_sector(fs, 2, 6);
2981
2982         /*
2983          * Parse or generate a UUID for the filesystem
2984          */
2985         if (fs_uuid) {
2986                 if ((strcasecmp(fs_uuid, "null") == 0) ||
2987                     (strcasecmp(fs_uuid, "clear") == 0)) {
2988                         uuid_clear(fs->super->s_uuid);
2989                 } else if (strcasecmp(fs_uuid, "time") == 0) {
2990                         uuid_generate_time(fs->super->s_uuid);
2991                 } else if (strcasecmp(fs_uuid, "random") == 0) {
2992                         uuid_generate(fs->super->s_uuid);
2993                 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
2994                         com_err(device_name, 0, "could not parse UUID: %s\n",
2995                                 fs_uuid);
2996                         exit(1);
2997                 }
2998         } else
2999                 uuid_generate(fs->super->s_uuid);
3000
3001         if (ext2fs_has_feature_csum_seed(fs->super))
3002                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
3003                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
3004
3005         ext2fs_init_csum_seed(fs);
3006
3007         /*
3008          * Initialize the directory index variables
3009          */
3010         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3011                                                "half_md4");
3012         hash_alg = e2p_string2hash(hash_alg_str);
3013         free(hash_alg_str);
3014         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3015                 EXT2_HASH_HALF_MD4;
3016
3017         if (memcmp(fs_param.s_hash_seed, zero_buf,
3018                 sizeof(fs_param.s_hash_seed)) != 0) {
3019                 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3020                         sizeof(fs->super->s_hash_seed));
3021         } else
3022                 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3023
3024         /*
3025          * Periodic checks can be enabled/disabled via config file.
3026          * Note we override the kernel include file's idea of what the default
3027          * check interval (never) should be.  It's a good idea to check at
3028          * least *occasionally*, specially since servers will never rarely get
3029          * to reboot, since Linux is so robust these days.  :-)
3030          *
3031          * 180 days (six months) seems like a good value.
3032          */
3033 #ifdef EXT2_DFL_CHECKINTERVAL
3034 #undef EXT2_DFL_CHECKINTERVAL
3035 #endif
3036 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3037
3038         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3039                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3040                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3041                 /*
3042                  * Add "jitter" to the superblock's check interval so that we
3043                  * don't check all the filesystems at the same time.  We use a
3044                  * kludgy hack of using the UUID to derive a random jitter value
3045                  */
3046                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3047                         val += fs->super->s_uuid[i];
3048                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3049         } else
3050                 fs->super->s_max_mnt_count = -1;
3051
3052         /*
3053          * Override the creator OS, if applicable
3054          */
3055         if (creator_os && !set_os(fs->super, creator_os)) {
3056                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3057                 exit(1);
3058         }
3059
3060         /*
3061          * For the Hurd, we will turn off filetype since it doesn't
3062          * support it.
3063          */
3064         if (fs->super->s_creator_os == EXT2_OS_HURD)
3065                 ext2fs_clear_feature_filetype(fs->super);
3066
3067         /*
3068          * Set the volume label...
3069          */
3070         if (volume_label) {
3071                 memset(fs->super->s_volume_name, 0,
3072                        sizeof(fs->super->s_volume_name));
3073                 strncpy(fs->super->s_volume_name, volume_label,
3074                         sizeof(fs->super->s_volume_name));
3075         }
3076
3077         /*
3078          * Set the last mount directory
3079          */
3080         if (mount_dir) {
3081                 memset(fs->super->s_last_mounted, 0,
3082                        sizeof(fs->super->s_last_mounted));
3083                 strncpy(fs->super->s_last_mounted, mount_dir,
3084                         sizeof(fs->super->s_last_mounted));
3085         }
3086
3087         /* Set current default encryption algorithms for data and
3088          * filename encryption */
3089         if (ext2fs_has_feature_encrypt(fs->super)) {
3090                 fs->super->s_encrypt_algos[0] =
3091                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3092                 fs->super->s_encrypt_algos[1] =
3093                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3094         }
3095
3096         if (ext2fs_has_feature_metadata_csum(fs->super))
3097                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3098
3099         if (!quiet || noaction)
3100                 show_stats(fs);
3101
3102         if (noaction)
3103                 exit(0);
3104
3105         if (ext2fs_has_feature_journal_dev(fs->super)) {
3106                 create_journal_dev(fs);
3107                 printf("\n");
3108                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3109         }
3110
3111         if (bad_blocks_filename)
3112                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3113         if (cflag)
3114                 test_disk(fs, &bb_list);
3115         handle_bad_blocks(fs, bb_list);
3116
3117         fs->stride = fs_stride = fs->super->s_raid_stride;
3118         if (!quiet)
3119                 printf("%s", _("Allocating group tables: "));
3120         if (ext2fs_has_feature_flex_bg(fs->super) &&
3121             packed_meta_blocks)
3122                 retval = packed_allocate_tables(fs);
3123         else
3124                 retval = ext2fs_allocate_tables(fs);
3125         if (retval) {
3126                 com_err(program_name, retval, "%s",
3127                         _("while trying to allocate filesystem tables"));
3128                 exit(1);
3129         }
3130         if (!quiet)
3131                 printf("%s", _("done                            \n"));
3132
3133         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3134         if (retval) {
3135                 com_err(program_name, retval, "%s",
3136                         _("\n\twhile converting subcluster bitmap"));
3137                 exit(1);
3138         }
3139
3140         if (super_only) {
3141                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3142                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3143                        device_name);
3144                 if (!force)
3145                         proceed_question(proceed_delay);
3146                 fs->super->s_state |= EXT2_ERROR_FS;
3147                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3148                 /*
3149                  * The command "mke2fs -S" is used to recover
3150                  * corrupted file systems, so do not mark any of the
3151                  * inodes as unused; we want e2fsck to consider all
3152                  * inodes as potentially containing recoverable data.
3153                  */
3154                 if (ext2fs_has_group_desc_csum(fs)) {
3155                         for (i = 0; i < fs->group_desc_count; i++)
3156                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3157                 }
3158         } else {
3159                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3160                 blk64_t rsv = 65536 / fs->blocksize;
3161                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3162                 blk64_t start;
3163                 blk64_t ret_blk;
3164
3165 #ifdef ZAP_BOOTBLOCK
3166                 zap_sector(fs, 0, 2);
3167 #endif
3168
3169                 /*
3170                  * Wipe out any old MD RAID (or other) metadata at the end
3171                  * of the device.  This will also verify that the device is
3172                  * as large as we think.  Be careful with very small devices.
3173                  */
3174                 start = (blocks & ~(rsv - 1));
3175                 if (start > rsv)
3176                         start -= rsv;
3177                 if (start > 0)
3178                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3179                                                     &ret_blk, NULL);
3180
3181                 if (retval) {
3182                         com_err(program_name, retval,
3183                                 _("while zeroing block %llu at end of filesystem"),
3184                                 ret_blk);
3185                 }
3186                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3187                 create_root_dir(fs);
3188                 create_lost_and_found(fs);
3189                 reserve_inodes(fs);
3190                 create_bad_block_inode(fs, bb_list);
3191                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3192                         retval = ext2fs_create_resize_inode(fs);
3193                         if (retval) {
3194                                 com_err("ext2fs_create_resize_inode", retval,
3195                                         "%s",
3196                                 _("while reserving blocks for online resize"));
3197                                 exit(1);
3198                         }
3199                 }
3200         }
3201
3202         if (journal_device) {
3203                 ext2_filsys     jfs;
3204
3205                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3206                                         NULL) && !force)
3207                         proceed_question(proceed_delay);
3208                 check_mount(journal_device, force, _("journal"));
3209
3210                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3211                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3212                                      fs->blocksize, unix_io_manager, &jfs);
3213                 if (retval) {
3214                         com_err(program_name, retval,
3215                                 _("while trying to open journal device %s\n"),
3216                                 journal_device);
3217                         exit(1);
3218                 }
3219                 if (!quiet) {
3220                         printf(_("Adding journal to device %s: "),
3221                                journal_device);
3222                         fflush(stdout);
3223                 }
3224                 retval = ext2fs_add_journal_device(fs, jfs);
3225                 if(retval) {
3226                         com_err (program_name, retval,
3227                                  _("\n\twhile trying to add journal to device %s"),
3228                                  journal_device);
3229                         exit(1);
3230                 }
3231                 if (!quiet)
3232                         printf("%s", _("done\n"));
3233                 ext2fs_close_free(&jfs);
3234                 free(journal_device);
3235         } else if ((journal_size) ||
3236                    ext2fs_has_feature_journal(&fs_param)) {
3237                 if (super_only) {
3238                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3239                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3240                         goto no_journal;
3241                 }
3242
3243                 if (!journal_blocks) {
3244                         ext2fs_clear_feature_journal(fs->super);
3245                         goto no_journal;
3246                 }
3247                 if (!quiet) {
3248                         printf(_("Creating journal (%u blocks): "),
3249                                journal_blocks);
3250                         fflush(stdout);
3251                 }
3252                 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3253                                                    journal_location,
3254                                                    journal_flags);
3255                 if (retval) {
3256                         com_err(program_name, retval, "%s",
3257                                 _("\n\twhile trying to create journal"));
3258                         exit(1);
3259                 }
3260                 if (!quiet)
3261                         printf("%s", _("done\n"));
3262         }
3263 no_journal:
3264         if (!super_only &&
3265             ext2fs_has_feature_mmp(fs->super)) {
3266                 retval = ext2fs_mmp_init(fs);
3267                 if (retval) {
3268                         fprintf(stderr, "%s",
3269                                 _("\nError while enabling multiple "
3270                                   "mount protection feature."));
3271                         exit(1);
3272                 }
3273                 if (!quiet)
3274                         printf(_("Multiple mount protection is enabled "
3275                                  "with update interval %d seconds.\n"),
3276                                fs->super->s_mmp_update_interval);
3277         }
3278
3279         if (ext2fs_has_feature_bigalloc(&fs_param))
3280                 fix_cluster_bg_counts(fs);
3281         if (ext2fs_has_feature_quota(&fs_param))
3282                 create_quota_inodes(fs);
3283
3284         retval = mk_hugefiles(fs, device_name);
3285         if (retval)
3286                 com_err(program_name, retval, "while creating huge files");
3287         /* Copy files from the specified directory */
3288         if (src_root_dir) {
3289                 if (!quiet)
3290                         printf("%s", _("Copying files into the device: "));
3291
3292                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3293                                      EXT2_ROOT_INO);
3294                 if (retval) {
3295                         com_err(program_name, retval, "%s",
3296                                 _("while populating file system"));
3297                         exit(1);
3298                 } else if (!quiet)
3299                         printf("%s", _("done\n"));
3300         }
3301
3302         if (!quiet)
3303                 printf("%s", _("Writing superblocks and "
3304                        "filesystem accounting information: "));
3305         checkinterval = fs->super->s_checkinterval;
3306         max_mnt_count = fs->super->s_max_mnt_count;
3307         retval = ext2fs_close_free(&fs);
3308         if (retval) {
3309                 com_err(program_name, retval, "%s",
3310                         _("while writing out and closing file system"));
3311                 retval = 1;
3312         } else if (!quiet) {
3313                 printf("%s", _("done\n\n"));
3314                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3315                         print_check_message(max_mnt_count, checkinterval);
3316         }
3317
3318         remove_error_table(&et_ext2_error_table);
3319         remove_error_table(&et_prof_error_table);
3320         profile_release(profile);
3321         for (i=0; fs_types[i]; i++)
3322                 free(fs_types[i]);
3323         free(fs_types);
3324         return retval;
3325 }