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 mode_t   root_perms = (mode_t)-1;
  94 static gid_t    root_gid;
  95 int     journal_size;
  96 int     journal_flags;
  97 int     journal_fc_size;
  98 static e2_blkcnt_t      orphan_file_blocks;
  99 static int      lazy_itable_init;
 100 static int      assume_storage_prezeroed;
 101 static int      packed_meta_blocks;
 102 int             no_copy_xattrs;
 103 static char     *bad_blocks_filename = NULL;
 104 static __u32    fs_stride;
 105 /* Initialize usr/grp quotas by default */
 106 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
 107 static __u64    offset;
 108 static blk64_t journal_location = ~0LL;
 109 static int      proceed_delay = -1;
 110 static blk64_t  dev_size;
 111
 112 static struct ext2_super_block fs_param;
 113 static __u32 zero_buf[4];
 114 static char *fs_uuid = NULL;
 115 static char *creator_os;
 116 static char *volume_label;
 117 static char *mount_dir;
 118 char *journal_device;
 119 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 120 char **fs_types;
 121 const char *src_root;  /* Copy files from the specified directory or tarball */
 122 static char *undo_file;
 123
 124 static int android_sparse_file; /* -E android_sparse */
 125
 126 static profile_t        profile;
 127
 128 static int sys_page_size = 4096;
 129
 130 static int errors_behavior = 0;
 131
 132 static void usage(void)
 133 {
 134         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 135         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 136         "[-J journal-options]\n"
 137         "\t[-G flex-group-size] [-N number-of-inodes] "
 138         "[-d root-directory|tarball]\n"
 139         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 140         "\t[-g blocks-per-group] [-L volume-label] "
 141         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 142         "[-r fs-revision] [-E extended-option[,...]]\n"
 143         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 144         "[-z undo_file]\n"
 145         "\t[-jnqvDFSV] device [blocks-count]\n"),
 146                 program_name);
 147         exit(1);
 148 }
 149
 150 static int int_log2(unsigned long long arg)
 151 {
 152         int     l = 0;
 153
 154         arg >>= 1;
 155         while (arg) {
 156                 l++;
 157                 arg >>= 1;
 158         }
 159         return l;
 160 }
 161
 162 int int_log10(unsigned long long arg)
 163 {
 164         int     l;
 165
 166         for (l=0; arg ; l++)
 167                 arg = arg / 10;
 168         return l;
 169 }
 170
 171 #ifdef __linux__
 172 static int parse_version_number(const char *s)
 173 {
 174         int     major, minor, rev;
 175         char    *endptr;
 176         const char *cp = s;
 177
 178         if (!s)
 179                 return 0;
 180         major = strtol(cp, &endptr, 10);
 181         if (cp == endptr || *endptr != '.')
 182                 return 0;
 183         cp = endptr + 1;
 184         minor = strtol(cp, &endptr, 10);
 185         if (cp == endptr || *endptr != '.')
 186                 return 0;
 187         cp = endptr + 1;
 188         rev = strtol(cp, &endptr, 10);
 189         if (cp == endptr)
 190                 return 0;
 191         return KERNEL_VERSION(major, minor, rev);
 192 }
 193
 194 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 195                                unsigned int rev)
 196 {
 197         struct          utsname ut;
 198         static int      linux_version_code = -1;
 199
 200         if (uname(&ut)) {
 201                 perror("uname");
 202                 exit(1);
 203         }
 204         if (linux_version_code < 0)
 205                 linux_version_code = parse_version_number(ut.release);
 206         if (linux_version_code == 0)
 207                 return 0;
 208
 209         return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
 210 }
 211 #else
 212 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 213                                unsigned int rev)
 214 {
 215         return 0;
 216 }
 217 #endif
 218
 219 /*
 220  * Helper function for read_bb_file and test_disk
 221  */
 222 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 223 {
 224         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 225         return;
 226 }
 227
 228 /*
 229  * Reads the bad blocks list from a file
 230  */
 231 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 232                          const char *bad_blocks_file)
 233 {
 234         FILE            *f;
 235         errcode_t       retval;
 236
 237         f = fopen(bad_blocks_file, "r");
 238         if (!f) {
 239                 com_err("read_bad_blocks_file", errno,
 240                         _("while trying to open %s"), bad_blocks_file);
 241                 exit(1);
 242         }
 243         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 244         fclose (f);
 245         if (retval) {
 246                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 247                         _("while reading in list of bad blocks from file"));
 248                 exit(1);
 249         }
 250 }
 251
 252 /*
 253  * Runs the badblocks program to test the disk
 254  */
 255 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 256 {
 257         FILE            *f;
 258         errcode_t       retval;
 259         char            buf[1024];
 260
 261         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 262                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 263                 fs->device_name,
 264                 (unsigned long long) ext2fs_blocks_count(fs->super)-1);
 265         if (verbose)
 266                 printf(_("Running command: %s\n"), buf);
 267         f = popen(buf, "r");
 268         if (!f) {
 269                 com_err("popen", errno,
 270                         _("while trying to run '%s'"), buf);
 271                 exit(1);
 272         }
 273         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 274         pclose(f);
 275         if (retval) {
 276                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 277                         _("while processing list of bad blocks from program"));
 278                 exit(1);
 279         }
 280 }
 281
 282 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 283 {
 284         dgrp_t                  i;
 285         blk_t                   j;
 286         unsigned                must_be_good;
 287         blk_t                   blk;
 288         badblocks_iterate       bb_iter;
 289         errcode_t               retval;
 290         blk_t                   group_block;
 291         int                     group;
 292         int                     group_bad;
 293
 294         if (!bb_list)
 295                 return;
 296
 297         /*
 298          * The primary superblock and group descriptors *must* be
 299          * good; if not, abort.
 300          */
 301         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 302         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 303                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 304                         fprintf(stderr, _("Block %d in primary "
 305                                 "superblock/group descriptor area bad.\n"), i);
 306                         fprintf(stderr, _("Blocks %u through %u must be good "
 307                                 "in order to build a filesystem.\n"),
 308                                 fs->super->s_first_data_block, must_be_good);
 309                         fputs(_("Aborting....\n"), stderr);
 310                         exit(1);
 311                 }
 312         }
 313
 314         /*
 315          * See if any of the bad blocks are showing up in the backup
 316          * superblocks and/or group descriptors.  If so, issue a
 317          * warning and adjust the block counts appropriately.
 318          */
 319         group_block = fs->super->s_first_data_block +
 320                 fs->super->s_blocks_per_group;
 321
 322         for (i = 1; i < fs->group_desc_count; i++) {
 323                 group_bad = 0;
 324                 for (j=0; j < fs->desc_blocks+1; j++) {
 325                         if (ext2fs_badblocks_list_test(bb_list,
 326                                                        group_block + j)) {
 327                                 if (!group_bad)
 328                                         fprintf(stderr,
 329 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 330 "       bad blocks.\n\n"),
 331                                                 group_block);
 332                                 group_bad++;
 333                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 334                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 335                                 ext2fs_group_desc_csum_set(fs, group);
 336                                 ext2fs_free_blocks_count_add(fs->super, 1);
 337                         }
 338                 }
 339                 group_block += fs->super->s_blocks_per_group;
 340         }
 341
 342         /*
 343          * Mark all the bad blocks as used...
 344          */
 345         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 346         if (retval) {
 347                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 348                         _("while marking bad blocks as used"));
 349                 exit(1);
 350         }
 351         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 352                 ext2fs_mark_block_bitmap2(fs->block_map, blk);
 353         ext2fs_badblocks_list_iterate_end(bb_iter);
 354 }
 355
 356 static void write_reserved_inodes(ext2_filsys fs)
 357 {
 358         errcode_t       retval;
 359         ext2_ino_t      ino;
 360         struct ext2_inode *inode;
 361
 362         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 363         if (retval) {
 364                 com_err("inode_init", retval, _("while allocating memory"));
 365                 exit(1);
 366         }
 367
 368         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
 369                 retval = ext2fs_write_inode_full(fs, ino, inode,
 370                                                  EXT2_INODE_SIZE(fs->super));
 371                 if (retval) {
 372                         com_err("ext2fs_write_inode_full", retval,
 373                                 _("while writing reserved inodes"));
 374                         exit(1);
 375                 }
 376         }
 377
 378         ext2fs_free_mem(&inode);
 379 }
 380
 381 static errcode_t packed_allocate_tables(ext2_filsys fs)
 382 {
 383         errcode_t       retval;
 384         dgrp_t          i;
 385         blk64_t         goal = 0;
 386
 387         for (i = 0; i < fs->group_desc_count; i++) {
 388                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 389                 if (retval)
 390                         return retval;
 391                 ext2fs_block_alloc_stats2(fs, goal, +1);
 392                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 393         }
 394         for (i = 0; i < fs->group_desc_count; i++) {
 395                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 396                 if (retval)
 397                         return retval;
 398                 ext2fs_block_alloc_stats2(fs, goal, +1);
 399                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 400         }
 401         for (i = 0; i < fs->group_desc_count; i++) {
 402                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 403                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 404                                                  fs->inode_blocks_per_group,
 405                                                  fs->block_map, &goal);
 406                 if (retval)
 407                         return retval;
 408                 ext2fs_block_alloc_stats_range(fs, goal,
 409                                                fs->inode_blocks_per_group, +1);
 410                 ext2fs_inode_table_loc_set(fs, i, goal);
 411                 ext2fs_group_desc_csum_set(fs, i);
 412         }
 413         return 0;
 414 }
 415
 416 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 417 {
 418         errcode_t       retval;
 419         blk64_t         start = 0;
 420         dgrp_t          i;
 421         int             len = 0;
 422         struct ext2fs_numeric_progress_struct progress;
 423
 424         ext2fs_numeric_progress_init(fs, &progress,
 425                                      _("Writing inode tables: "),
 426                                      fs->group_desc_count);
 427
 428         for (i = 0; i < fs->group_desc_count; i++) {
 429                 blk64_t blk = ext2fs_inode_table_loc(fs, i);
 430                 int num = fs->inode_blocks_per_group;
 431
 432                 ext2fs_numeric_progress_update(fs, &progress, i);
 433
 434                 if (lazy_flag)
 435                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 436                                                ext2fs_bg_itable_unused(fs, i)) *
 437                                               EXT2_INODE_SIZE(fs->super),
 438                                               EXT2_BLOCK_SIZE(fs->super));
 439                 if (!lazy_flag || itable_zeroed) {
 440                         /* The kernel doesn't need to zero the itable blocks */
 441                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 442                         ext2fs_group_desc_csum_set(fs, i);
 443                 }
 444                 if (!itable_zeroed) {
 445                         if (len == 0) {
 446                                 start = blk;
 447                                 len = num;
 448                                 continue;
 449                         }
 450                         /* 'len' must not overflow 2^31 blocks for ext2fs_zero_blocks2() */
 451                         if (start + len == blk && len + num >= len) {
 452                                 len += num;
 453                                 continue;
 454                         }
 455                         retval = ext2fs_zero_blocks2(fs, start, len, &start, &len);
 456                         if (retval) {
 457                                 fprintf(stderr, _("\nCould not write %d "
 458                                           "blocks in inode table starting at %llu: %s\n"),
 459                                         len, (unsigned long long) start,
 460                                         error_message(retval));
 461                                 exit(1);
 462                         }
 463                         start = blk;
 464                         len = num;
 465                 }
 466                 if (sync_kludge) {
 467                         if (sync_kludge == 1)
 468                                 io_channel_flush(fs->io);
 469                         else if ((i % sync_kludge) == 0)
 470                                 io_channel_flush(fs->io);
 471                 }
 472         }
 473         if (len) {
 474                 retval = ext2fs_zero_blocks2(fs, start, len, &start, &len);
 475                 if (retval) {
 476                         fprintf(stderr, _("\nCould not write %d "
 477                                   "blocks in inode table starting at %llu: %s\n"),
 478                                 len, (unsigned long long) start,
 479                                 error_message(retval));
 480                         exit(1);
 481                 }
 482                 if (sync_kludge)
 483                         io_channel_flush(fs->io);
 484         }
 485         ext2fs_numeric_progress_close(fs, &progress,
 486                                       _("done                            \n"));
 487
 488         /* Reserved inodes must always have correct checksums */
 489         if (ext2fs_has_feature_metadata_csum(fs->super))
 490                 write_reserved_inodes(fs);
 491 }
 492
 493 static void create_root_dir(ext2_filsys fs)
 494 {
 495         errcode_t               retval;
 496         struct ext2_inode       inode;
 497         int need_inode_change;
 498
 499         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 500         if (retval) {
 501                 com_err("ext2fs_mkdir", retval, "%s",
 502                         _("while creating root dir"));
 503                 exit(1);
 504         }
 505
 506         need_inode_change = (int)(root_uid != 0 || root_gid != 0 || root_perms != (mode_t)-1);
 507
 508         if (need_inode_change) {
 509                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 510                 if (retval) {
 511                         com_err("ext2fs_read_inode", retval, "%s",
 512                                 _("while reading root inode"));
 513                         exit(1);
 514                 }
 515         }
 516
 517         if (root_uid != 0 || root_gid != 0) {
 518                 inode.i_uid = root_uid;
 519                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 520                 inode.i_gid = root_gid;
 521                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 522         }
 523
 524         if (root_perms != (mode_t)-1) {
 525                 inode.i_mode = LINUX_S_IFDIR | root_perms;
 526         }
 527
 528         if (need_inode_change) {
 529                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 530                 if (retval) {
 531                         com_err("ext2fs_write_inode", retval, "%s",
 532                                 _("while setting root inode ownership"));
 533                         exit(1);
 534                 }
 535         }
 536 }
 537
 538 static void create_lost_and_found(ext2_filsys fs)
 539 {
 540         unsigned int            lpf_size = 0;
 541         errcode_t               retval;
 542         ext2_ino_t              ino;
 543         const char              *name = "lost+found";
 544         int                     i;
 545
 546         fs->umask = 077;
 547         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 548         if (retval) {
 549                 com_err("ext2fs_mkdir", retval, "%s",
 550                         _("while creating /lost+found"));
 551                 exit(1);
 552         }
 553
 554         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 555         if (retval) {
 556                 com_err("ext2_lookup", retval, "%s",
 557                         _("while looking up /lost+found"));
 558                 exit(1);
 559         }
 560
 561         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 562                 /* Ensure that lost+found is at least 2 blocks, so we always
 563                  * test large empty blocks for big-block filesystems.  */
 564                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 565                     lpf_size >= 2 * fs->blocksize)
 566                         break;
 567                 retval = ext2fs_expand_dir(fs, ino);
 568                 if (retval) {
 569                         com_err("ext2fs_expand_dir", retval, "%s",
 570                                 _("while expanding /lost+found"));
 571                         exit(1);
 572                 }
 573         }
 574 }
 575
 576 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 577 {
 578         errcode_t       retval;
 579
 580         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 581         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 582         retval = ext2fs_update_bb_inode(fs, bb_list);
 583         if (retval) {
 584                 com_err("ext2fs_update_bb_inode", retval, "%s",
 585                         _("while setting bad block inode"));
 586                 exit(1);
 587         }
 588
 589 }
 590
 591 static void reserve_inodes(ext2_filsys fs)
 592 {
 593         ext2_ino_t      i;
 594
 595         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 596                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 597         ext2fs_mark_ib_dirty(fs);
 598 }
 599
 600 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 601 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 602 #define BSD_LABEL_OFFSET        64
 603
 604 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 605 {
 606         char *buf;
 607         int retval;
 608         unsigned int *magic;
 609
 610         buf = calloc(512, nsect);
 611         if (!buf) {
 612                 printf(_("Out of memory erasing sectors %d-%d\n"),
 613                        sect, sect + nsect - 1);
 614                 exit(1);
 615         }
 616
 617         if (sect == 0) {
 618                 /* Check for a BSD disklabel, and don't erase it if so */
 619                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 620                 if (retval)
 621                         fprintf(stderr,
 622                                 _("Warning: could not read block 0: %s\n"),
 623                                 error_message(retval));
 624                 else {
 625                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 626                         if ((*magic == BSD_DISKMAGIC) ||
 627                             (*magic == BSD_MAGICDISK)) {
 628                                 free(buf);
 629                                 return;
 630                         }
 631                 }
 632         }
 633
 634         memset(buf, 0, 512*nsect);
 635         io_channel_set_blksize(fs->io, 512);
 636         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 637         io_channel_set_blksize(fs->io, fs->blocksize);
 638         free(buf);
 639         if (retval)
 640                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 641                         sect, error_message(retval));
 642 }
 643
 644 static void create_journal_dev(ext2_filsys fs)
 645 {
 646         struct ext2fs_numeric_progress_struct progress;
 647         errcode_t               retval;
 648         char                    *buf;
 649         blk64_t                 blk, err_blk;
 650         int                     c, count, err_count;
 651         struct ext2fs_journal_params    jparams;
 652
 653         retval = ext2fs_get_journal_params(&jparams, fs);
 654         if (retval) {
 655                 com_err("create_journal_dev", retval, "%s",
 656                         _("while splitting the journal size"));
 657                 exit(1);
 658         }
 659
 660         retval = ext2fs_create_journal_superblock2(fs, &jparams, 0, &buf);
 661         if (retval) {
 662                 com_err("create_journal_dev", retval, "%s",
 663                         _("while initializing journal superblock"));
 664                 exit(1);
 665         }
 666
 667         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 668                 goto write_superblock;
 669
 670         ext2fs_numeric_progress_init(fs, &progress,
 671                                      _("Zeroing journal device: "),
 672                                      ext2fs_blocks_count(fs->super));
 673         blk = 0;
 674         count = ext2fs_blocks_count(fs->super);
 675         while (count > 0) {
 676                 if (count > 1024)
 677                         c = 1024;
 678                 else
 679                         c = count;
 680                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 681                 if (retval) {
 682                         com_err("create_journal_dev", retval,
 683                                 _("while zeroing journal device "
 684                                   "(block %llu, count %d)"),
 685                                 (unsigned long long) err_blk, err_count);
 686                         exit(1);
 687                 }
 688                 blk += c;
 689                 count -= c;
 690                 ext2fs_numeric_progress_update(fs, &progress, blk);
 691         }
 692
 693         ext2fs_numeric_progress_close(fs, &progress, NULL);
 694 write_superblock:
 695         retval = io_channel_write_blk64(fs->io,
 696                                         fs->super->s_first_data_block+1,
 697                                         1, buf);
 698         (void) ext2fs_free_mem(&buf);
 699         if (retval) {
 700                 com_err("create_journal_dev", retval, "%s",
 701                         _("while writing journal superblock"));
 702                 exit(1);
 703         }
 704 }
 705
 706 static void show_stats(ext2_filsys fs)
 707 {
 708         struct ext2_super_block *s = fs->super;
 709         char                    *os;
 710         blk64_t                 group_block;
 711         dgrp_t                  i;
 712         int                     need, col_left;
 713
 714         if (!verbose) {
 715                 printf(_("Creating filesystem with %llu %dk blocks and "
 716                          "%u inodes\n"),
 717                        (unsigned long long) ext2fs_blocks_count(s),
 718                        fs->blocksize >> 10, s->s_inodes_count);
 719                 goto skip_details;
 720         }
 721
 722         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 723                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 724                         (unsigned long long) (ext2fs_blocks_count(&fs_param) -
 725                                               ext2fs_blocks_count(s)));
 726
 727         printf(_("Filesystem label=%.*s\n"), EXT2_LEN_STR(s->s_volume_name));
 728
 729         os = e2p_os2string(fs->super->s_creator_os);
 730         if (os)
 731                 printf(_("OS type: %s\n"), os);
 732         free(os);
 733         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 734                 s->s_log_block_size);
 735         if (ext2fs_has_feature_bigalloc(fs->super))
 736                 printf(_("Cluster size=%u (log=%u)\n"),
 737                        fs->blocksize << fs->cluster_ratio_bits,
 738                        s->s_log_cluster_size);
 739         else
 740                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 741                        s->s_log_cluster_size);
 742         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 743                s->s_raid_stride, s->s_raid_stripe_width);
 744         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 745                (unsigned long long) ext2fs_blocks_count(s));
 746         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 747                (unsigned long long) ext2fs_r_blocks_count(s),
 748                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 749         printf(_("First data block=%u\n"), s->s_first_data_block);
 750         if (root_uid != 0 || root_gid != 0)
 751                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 752         if (s->s_reserved_gdt_blocks)
 753                 printf(_("Maximum filesystem blocks=%lu\n"),
 754                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 755                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 756         if (fs->group_desc_count > 1)
 757                 printf(_("%u block groups\n"), fs->group_desc_count);
 758         else
 759                 printf(_("%u block group\n"), fs->group_desc_count);
 760         if (ext2fs_has_feature_bigalloc(fs->super))
 761                 printf(_("%u blocks per group, %u clusters per group\n"),
 762                        s->s_blocks_per_group, s->s_clusters_per_group);
 763         else
 764                 printf(_("%u blocks per group, %u fragments per group\n"),
 765                        s->s_blocks_per_group, s->s_clusters_per_group);
 766         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 767
 768 skip_details:
 769         if (fs->group_desc_count == 1) {
 770                 printf("\n");
 771                 return;
 772         }
 773
 774         if (!e2p_is_null_uuid(s->s_uuid))
 775                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 776         printf("%s", _("Superblock backups stored on blocks: "));
 777         group_block = s->s_first_data_block;
 778         col_left = 0;
 779         for (i = 1; i < fs->group_desc_count; i++) {
 780                 group_block += s->s_blocks_per_group;
 781                 if (!ext2fs_bg_has_super(fs, i))
 782                         continue;
 783                 if (i != 1)
 784                         printf(", ");
 785                 need = int_log10(group_block) + 2;
 786                 if (need > col_left) {
 787                         printf("\n\t");
 788                         col_left = 72;
 789                 }
 790                 col_left -= need;
 791                 printf("%llu", (unsigned long long) group_block);
 792         }
 793         printf("\n\n");
 794 }
 795
 796 /*
 797  * Returns true if making a file system for the Hurd, else 0
 798  */
 799 static int for_hurd(const char *os)
 800 {
 801         if (!os) {
 802 #ifdef __GNU__
 803                 return 1;
 804 #else
 805                 return 0;
 806 #endif
 807         }
 808         if (isdigit(*os))
 809                 return (atoi(os) == EXT2_OS_HURD);
 810         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 811 }
 812
 813 /*
 814  * Set the S_CREATOR_OS field.  Return true if OS is known,
 815  * otherwise, 0.
 816  */
 817 static int set_os(struct ext2_super_block *sb, char *os)
 818 {
 819         if (isdigit (*os))
 820                 sb->s_creator_os = atoi (os);
 821         else if (strcasecmp(os, "linux") == 0)
 822                 sb->s_creator_os = EXT2_OS_LINUX;
 823         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 824                 sb->s_creator_os = EXT2_OS_HURD;
 825         else if (strcasecmp(os, "freebsd") == 0)
 826                 sb->s_creator_os = EXT2_OS_FREEBSD;
 827         else if (strcasecmp(os, "lites") == 0)
 828                 sb->s_creator_os = EXT2_OS_LITES;
 829         else
 830                 return 0;
 831         return 1;
 832 }
 833
 834 #define PATH_SET "PATH=/sbin"
 835
 836 static void parse_extended_opts(struct ext2_super_block *param,
 837                                 const char *opts)
 838 {
 839         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 840         int     len;
 841         int     r_usage = 0;
 842         int     ret;
 843         int     encoding = -1;
 844         char    *encoding_flags = NULL;
 845
 846         len = strlen(opts);
 847         buf = malloc(len+1);
 848         if (!buf) {
 849                 fprintf(stderr, "%s",
 850                         _("Couldn't allocate memory to parse options!\n"));
 851                 exit(1);
 852         }
 853         strcpy(buf, opts);
 854         for (token = buf; token && *token; token = next) {
 855                 p = strchr(token, ',');
 856                 next = 0;
 857                 if (p) {
 858                         *p = 0;
 859                         next = p+1;
 860                 }
 861                 arg = strchr(token, '=');
 862                 if (arg) {
 863                         *arg = 0;
 864                         arg++;
 865                 }
 866                 if (strcmp(token, "desc-size") == 0 ||
 867                     strcmp(token, "desc_size") == 0) {
 868                         int desc_size;
 869
 870                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 871                                 fprintf(stderr,
 872                                         _("%s requires '-O 64bit'\n"), token);
 873                                 r_usage++;
 874                                 continue;
 875                         }
 876                         if (param->s_reserved_gdt_blocks != 0) {
 877                                 fprintf(stderr,
 878                                         _("'%s' must be before 'resize=%u'\n"),
 879                                         token, param->s_reserved_gdt_blocks);
 880                                 r_usage++;
 881                                 continue;
 882                         }
 883                         if (!arg) {
 884                                 r_usage++;
 885                                 badopt = token;
 886                                 continue;
 887                         }
 888                         desc_size = strtoul(arg, &p, 0);
 889                         if (*p || (desc_size & (desc_size - 1))) {
 890                                 fprintf(stderr,
 891                                         _("Invalid desc_size: '%s'\n"), arg);
 892                                 r_usage++;
 893                                 continue;
 894                         }
 895                         param->s_desc_size = desc_size;
 896                 } else if (strcmp(token, "hash_seed") == 0) {
 897                         if (!arg) {
 898                                 r_usage++;
 899                                 badopt = token;
 900                                 continue;
 901                         }
 902                         if (uuid_parse(arg,
 903                                 (unsigned char *)param->s_hash_seed) != 0) {
 904                                 fprintf(stderr,
 905                                         _("Invalid hash seed: %s\n"), arg);
 906                                 r_usage++;
 907                                 continue;
 908                         }
 909                 } else if (strcmp(token, "offset") == 0) {
 910                         if (!arg) {
 911                                 r_usage++;
 912                                 badopt = token;
 913                                 continue;
 914                         }
 915                         offset = strtoull(arg, &p, 0);
 916                         if (*p) {
 917                                 fprintf(stderr, _("Invalid offset: %s\n"),
 918                                         arg);
 919                                 r_usage++;
 920                                 continue;
 921                         }
 922                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 923                         if (!arg) {
 924                                 r_usage++;
 925                                 badopt = token;
 926                                 continue;
 927                         }
 928                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 929                         if (*p) {
 930                                 fprintf(stderr,
 931                                         _("Invalid mmp_update_interval: %s\n"),
 932                                         arg);
 933                                 r_usage++;
 934                                 continue;
 935                         }
 936                 } else if (strcmp(token, "no_copy_xattrs") == 0) {
 937                         no_copy_xattrs = 1;
 938                         continue;
 939                 } else if (strcmp(token, "num_backup_sb") == 0) {
 940                         if (!arg) {
 941                                 r_usage++;
 942                                 badopt = token;
 943                                 continue;
 944                         }
 945                         num_backups = strtoul(arg, &p, 0);
 946                         if (*p || num_backups > 2) {
 947                                 fprintf(stderr,
 948                                         _("Invalid # of backup "
 949                                           "superblocks: %s\n"),
 950                                         arg);
 951                                 r_usage++;
 952                                 continue;
 953                         }
 954                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 955                         if (arg)
 956                                 packed_meta_blocks = strtoul(arg, &p, 0);
 957                         else
 958                                 packed_meta_blocks = 1;
 959                         if (packed_meta_blocks)
 960                                 journal_location = 0;
 961                 } else if (strcmp(token, "stride") == 0) {
 962                         if (!arg) {
 963                                 r_usage++;
 964                                 badopt = token;
 965                                 continue;
 966                         }
 967                         param->s_raid_stride = strtoul(arg, &p, 0);
 968                         if (*p) {
 969                                 fprintf(stderr,
 970                                         _("Invalid stride parameter: %s\n"),
 971                                         arg);
 972                                 r_usage++;
 973                                 continue;
 974                         }
 975                 } else if (strcmp(token, "stripe-width") == 0 ||
 976                            strcmp(token, "stripe_width") == 0) {
 977                         if (!arg) {
 978                                 r_usage++;
 979                                 badopt = token;
 980                                 continue;
 981                         }
 982                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 983                         if (*p) {
 984                                 fprintf(stderr,
 985                                         _("Invalid stripe-width parameter: %s\n"),
 986                                         arg);
 987                                 r_usage++;
 988                                 continue;
 989                         }
 990                 } else if (!strcmp(token, "resize")) {
 991                         blk64_t resize;
 992                         unsigned long bpg, rsv_groups;
 993                         unsigned long group_desc_count, desc_blocks;
 994                         unsigned int gdpb, blocksize;
 995                         int rsv_gdb;
 996
 997                         if (!arg) {
 998                                 r_usage++;
 999                                 badopt = token;
1000                                 continue;
1001                         }
1002
1003                         resize = parse_num_blocks2(arg,
1004                                                    param->s_log_block_size);
1005
1006                         if (resize == 0) {
1007                                 fprintf(stderr,
1008                                         _("Invalid resize parameter: %s\n"),
1009                                         arg);
1010                                 r_usage++;
1011                                 continue;
1012                         }
1013                         if (resize <= ext2fs_blocks_count(param)) {
1014                                 fprintf(stderr, "%s",
1015                                         _("The resize maximum must be greater "
1016                                           "than the filesystem size.\n"));
1017                                 r_usage++;
1018                                 continue;
1019                         }
1020
1021                         blocksize = EXT2_BLOCK_SIZE(param);
1022                         bpg = param->s_blocks_per_group;
1023                         if (!bpg)
1024                                 bpg = blocksize * 8;
1025                         gdpb = EXT2_DESC_PER_BLOCK(param);
1026                         group_desc_count = (__u32) ext2fs_div64_ceil(
1027                                 ext2fs_blocks_count(param), bpg);
1028                         desc_blocks = (group_desc_count +
1029                                        gdpb - 1) / gdpb;
1030                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
1031                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
1032                                 desc_blocks;
1033                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
1034                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
1035
1036                         if (rsv_gdb > 0) {
1037                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
1038                                         fprintf(stderr, "%s",
1039         _("On-line resizing not supported with revision 0 filesystems\n"));
1040                                         free(buf);
1041                                         exit(1);
1042                                 }
1043                                 ext2fs_set_feature_resize_inode(param);
1044
1045                                 param->s_reserved_gdt_blocks = rsv_gdb;
1046                         }
1047                 } else if (!strcmp(token, "test_fs")) {
1048                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
1049                 } else if (!strcmp(token, "lazy_itable_init")) {
1050                         if (arg)
1051                                 lazy_itable_init = strtoul(arg, &p, 0);
1052                         else
1053                                 lazy_itable_init = 1;
1054                 } else if (!strcmp(token, "assume_storage_prezeroed")) {
1055                         if (arg)
1056                                 assume_storage_prezeroed = strtoul(arg, &p, 0);
1057                         else
1058                                 assume_storage_prezeroed = 1;
1059                 } else if (!strcmp(token, "lazy_journal_init")) {
1060                         if (arg)
1061                                 journal_flags |= strtoul(arg, &p, 0) ?
1062                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
1063                         else
1064                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
1065                 } else if (!strcmp(token, "root_owner")) {
1066                         if (arg) {
1067                                 root_uid = strtoul(arg, &p, 0);
1068                                 if (*p != ':') {
1069                                         fprintf(stderr,
1070                                                 _("Invalid root_owner: '%s'\n"),
1071                                                 arg);
1072                                         r_usage++;
1073                                         continue;
1074                                 }
1075                                 p++;
1076                                 root_gid = strtoul(p, &p, 0);
1077                                 if (*p) {
1078                                         fprintf(stderr,
1079                                                 _("Invalid root_owner: '%s'\n"),
1080                                                 arg);
1081                                         r_usage++;
1082                                         continue;
1083                                 }
1084                         } else {
1085                                 root_uid = getuid();
1086                                 root_gid = getgid();
1087                         }
1088                 } else if (!strcmp(token, "root_perms")) {
1089                         if (arg) {
1090                                 root_perms = strtoul(arg, &p, 8);
1091                         }
1092                 } else if (!strcmp(token, "discard")) {
1093                         discard = 1;
1094                 } else if (!strcmp(token, "nodiscard")) {
1095                         discard = 0;
1096                 } else if (!strcmp(token, "quotatype")) {
1097                         char *errtok = NULL;
1098
1099                         if (!arg) {
1100                                 r_usage++;
1101                                 badopt = token;
1102                                 continue;
1103                         }
1104                         quotatype_bits = 0;
1105                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1106                         if (ret) {
1107                                 if (errtok) {
1108                                         fprintf(stderr,
1109                                 "Failed to parse quota type at %s", errtok);
1110                                         free(errtok);
1111                                 } else
1112                                         com_err(program_name, ret,
1113                                                 "while parsing quota type");
1114                                 r_usage++;
1115                                 badopt = token;
1116                                 continue;
1117                         }
1118                 } else if (!strcmp(token, "android_sparse")) {
1119                         android_sparse_file = 1;
1120                 } else if (!strcmp(token, "encoding")) {
1121                         if (!arg) {
1122                                 r_usage++;
1123                                 continue;
1124                         }
1125
1126                         encoding = e2p_str2encoding(arg);
1127                         if (encoding < 0) {
1128                                 fprintf(stderr, _("Invalid encoding: %s"), arg);
1129                                 r_usage++;
1130                                 continue;
1131                         }
1132                         param->s_encoding = encoding;
1133                         ext2fs_set_feature_casefold(param);
1134                 } else if (!strcmp(token, "encoding_flags")) {
1135                         if (!arg) {
1136                                 r_usage++;
1137                                 continue;
1138                         }
1139                         encoding_flags = arg;
1140                 } else if (!strcmp(token, "orphan_file_size")) {
1141                         if (!arg) {
1142                                 r_usage++;
1143                                 badopt = token;
1144                                 continue;
1145                         }
1146                         orphan_file_blocks = parse_num_blocks2(arg,
1147                                                 fs_param.s_log_block_size);
1148                         if (orphan_file_blocks == 0) {
1149                                 fprintf(stderr,
1150                                         _("Invalid size of orphan file %s\n"),
1151                                         arg);
1152                                 r_usage++;
1153                                 continue;
1154                         }
1155                 } else {
1156                         r_usage++;
1157                         badopt = token;
1158                 }
1159         }
1160         if (r_usage) {
1161                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1162                         "Extended options are separated by commas, "
1163                         "and may take an argument which\n"
1164                         "\tis set off by an equals ('=') sign.\n\n"
1165                         "Valid extended options are:\n"
1166                         "\tmmp_update_interval=<interval>\n"
1167                         "\tnum_backup_sb=<0|1|2>\n"
1168                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1169                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1170                         "\toffset=<offset to create the file system>\n"
1171                         "\tresize=<resize maximum size in blocks>\n"
1172                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1173                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1174                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1175                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1176                         "\troot_perms=<octal root directory permissions>\n"
1177                         "\ttest_fs\n"
1178                         "\tdiscard\n"
1179                         "\tnodiscard\n"
1180                         "\tencoding=<encoding>\n"
1181                         "\tencoding_flags=<flags>\n"
1182                         "\tquotatype=<quota type(s) to be enabled>\n"
1183                         "\tassume_storage_prezeroed=<0 to disable, 1 to enable>\n\n"),
1184                         badopt ? badopt : "");
1185                 free(buf);
1186                 exit(1);
1187         }
1188         if (param->s_raid_stride &&
1189             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1190                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1191                                   "multiple of stride %u.\n\n"),
1192                         param->s_raid_stripe_width, param->s_raid_stride);
1193
1194         if (ext2fs_has_feature_casefold(param)) {
1195                 param->s_encoding_flags =
1196                         e2p_get_encoding_flags(param->s_encoding);
1197
1198                 if (encoding_flags &&
1199                     e2p_str2encoding_flags(param->s_encoding, encoding_flags,
1200                                            &param->s_encoding_flags)) {
1201                         fprintf(stderr, _("error: Invalid encoding flag: %s\n"),
1202                                 encoding_flags);
1203                         free(buf);
1204                         exit(1);
1205                 }
1206         } else if (encoding_flags) {
1207                 fprintf(stderr, _("error: An encoding must be explicitly "
1208                                   "specified when passing encoding-flags\n"));
1209                 free(buf);
1210                 exit(1);
1211         }
1212
1213         free(buf);
1214 }
1215
1216 static __u32 ok_features[3] = {
1217         /* Compat */
1218         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1219                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1220                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1221                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1222                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2 |
1223                 EXT4_FEATURE_COMPAT_FAST_COMMIT |
1224                 EXT4_FEATURE_COMPAT_STABLE_INODES |
1225                 EXT4_FEATURE_COMPAT_ORPHAN_FILE,
1226         /* Incompat */
1227         EXT2_FEATURE_INCOMPAT_FILETYPE|
1228                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1229                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1230                 EXT2_FEATURE_INCOMPAT_META_BG|
1231                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1232                 EXT4_FEATURE_INCOMPAT_EA_INODE|
1233                 EXT4_FEATURE_INCOMPAT_MMP |
1234                 EXT4_FEATURE_INCOMPAT_DIRDATA|
1235                 EXT4_FEATURE_INCOMPAT_64BIT|
1236                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1237                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1238                 EXT4_FEATURE_INCOMPAT_CASEFOLD |
1239                 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1240                 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1241         /* R/O compat */
1242         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1243                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1244                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1245                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1246                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1247                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1248                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1249                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1250                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1251                 EXT4_FEATURE_RO_COMPAT_PROJECT|
1252                 EXT4_FEATURE_RO_COMPAT_VERITY
1253 };
1254
1255
1256 static void syntax_err_report(const char *filename, long err, int line_num)
1257 {
1258         fprintf(stderr,
1259                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1260                 filename, line_num, error_message(err));
1261         exit(1);
1262 }
1263
1264 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1265
1266 static void edit_feature(const char *str, __u32 *compat_array)
1267 {
1268         if (!str)
1269                 return;
1270
1271         if (e2p_edit_feature(str, compat_array, ok_features)) {
1272                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1273                         str);
1274                 exit(1);
1275         }
1276 }
1277
1278 static void edit_mntopts(const char *str, __u32 *mntopts)
1279 {
1280         if (!str)
1281                 return;
1282
1283         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1284                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1285                         str);
1286                 exit(1);
1287         }
1288 }
1289
1290 struct str_list {
1291         char **list;
1292         int num;
1293         int max;
1294 };
1295
1296 static errcode_t init_list(struct str_list *sl)
1297 {
1298         sl->num = 0;
1299         sl->max = 1;
1300         sl->list = malloc((sl->max+1) * sizeof(char *));
1301         if (!sl->list)
1302                 return ENOMEM;
1303         sl->list[0] = 0;
1304         return 0;
1305 }
1306
1307 static errcode_t push_string(struct str_list *sl, const char *str)
1308 {
1309         char **new_list;
1310
1311         if (sl->num >= sl->max) {
1312                 sl->max += 2;
1313                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1314                 if (!new_list)
1315                         return ENOMEM;
1316                 sl->list = new_list;
1317         }
1318         sl->list[sl->num] = malloc(strlen(str)+1);
1319         if (sl->list[sl->num] == 0)
1320                 return ENOMEM;
1321         strcpy(sl->list[sl->num], str);
1322         sl->num++;
1323         sl->list[sl->num] = 0;
1324         return 0;
1325 }
1326
1327 static void print_str_list(char **list)
1328 {
1329         char **cpp;
1330
1331         for (cpp = list; *cpp; cpp++) {
1332                 printf("'%s'", *cpp);
1333                 if (cpp[1])
1334                         fputs(", ", stdout);
1335         }
1336         fputc('\n', stdout);
1337 }
1338
1339 /*
1340  * Return TRUE if the profile has the given subsection
1341  */
1342 static int profile_has_subsection(profile_t prof, const char *section,
1343                                   const char *subsection)
1344 {
1345         void                    *state;
1346         const char              *names[4];
1347         char                    *name;
1348         int                     ret = 0;
1349
1350         names[0] = section;
1351         names[1] = subsection;
1352         names[2] = 0;
1353
1354         if (profile_iterator_create(prof, names,
1355                                     PROFILE_ITER_LIST_SECTION |
1356                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1357                 return 0;
1358
1359         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1360                 free(name);
1361                 ret = 1;
1362         }
1363
1364         profile_iterator_free(&state);
1365         return ret;
1366 }
1367
1368 static char **parse_fs_type(const char *fs_type,
1369                             const char *usage_types,
1370                             struct ext2_super_block *sb,
1371                             blk64_t fs_blocks_count,
1372                             char *progname)
1373 {
1374         const char      *ext_type = 0;
1375         char            *parse_str;
1376         char            *profile_type = 0;
1377         char            *cp, *t;
1378         const char      *size_type;
1379         struct str_list list;
1380         unsigned long long meg;
1381         int             is_hurd = for_hurd(creator_os);
1382
1383         if (init_list(&list))
1384                 return 0;
1385
1386         if (fs_type)
1387                 ext_type = fs_type;
1388         else if (is_hurd)
1389                 ext_type = "ext2";
1390         else if (!strcmp(program_name, "mke3fs"))
1391                 ext_type = "ext3";
1392         else if (!strcmp(program_name, "mke4fs"))
1393                 ext_type = "ext4";
1394         else if (progname) {
1395                 ext_type = strrchr(progname, '/');
1396                 if (ext_type)
1397                         ext_type++;
1398                 else
1399                         ext_type = progname;
1400
1401                 if (!strncmp(ext_type, "mkfs.", 5)) {
1402                         ext_type += 5;
1403                         if (ext_type[0] == 0)
1404                                 ext_type = 0;
1405                 } else
1406                         ext_type = 0;
1407         }
1408
1409         if (!ext_type) {
1410                 profile_get_string(profile, "defaults", "fs_type", 0,
1411                                    "ext2", &profile_type);
1412                 ext_type = profile_type;
1413                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1414                         ext_type = "ext3";
1415         }
1416
1417
1418         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1419             strcmp(ext_type, "ext2")) {
1420                 printf(_("\nYour mke2fs.conf file does not define the "
1421                          "%s filesystem type.\n"), ext_type);
1422                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1423                     !strcmp(ext_type, "ext4dev")) {
1424                         printf("%s", _("You probably need to install an "
1425                                        "updated mke2fs.conf file.\n\n"));
1426                 }
1427                 if (!force) {
1428                         printf("%s", _("Aborting...\n"));
1429                         exit(1);
1430                 }
1431         }
1432
1433         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1434         if (fs_blocks_count < 3 * meg)
1435                 size_type = "floppy";
1436         else if (fs_blocks_count < 512 * meg)
1437                 size_type = "small";
1438         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1439                 size_type = "default";
1440         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1441                 size_type = "big";
1442         else
1443                 size_type = "huge";
1444
1445         if (!usage_types)
1446                 usage_types = size_type;
1447
1448         parse_str = malloc(strlen(usage_types)+1);
1449         if (!parse_str) {
1450                 free(profile_type);
1451                 free(list.list);
1452                 return 0;
1453         }
1454         strcpy(parse_str, usage_types);
1455
1456         if (ext_type)
1457                 push_string(&list, ext_type);
1458         cp = parse_str;
1459         while (1) {
1460                 t = strchr(cp, ',');
1461                 if (t)
1462                         *t = '\0';
1463
1464                 if (*cp) {
1465                         if (profile_has_subsection(profile, "fs_types", cp))
1466                                 push_string(&list, cp);
1467                         else if (strcmp(cp, "default") != 0)
1468                                 fprintf(stderr,
1469                                         _("\nWarning: the fs_type %s is not "
1470                                           "defined in mke2fs.conf\n\n"),
1471                                         cp);
1472                 }
1473                 if (t)
1474                         cp = t+1;
1475                 else
1476                         break;
1477         }
1478         free(parse_str);
1479         free(profile_type);
1480         if (is_hurd)
1481                 push_string(&list, "hurd");
1482         return (list.list);
1483 }
1484
1485 char *get_string_from_profile(char **types, const char *opt,
1486                                      const char *def_val)
1487 {
1488         char *ret = 0;
1489         int i;
1490
1491         for (i=0; types[i]; i++);
1492         for (i-=1; i >=0 ; i--) {
1493                 profile_get_string(profile, "fs_types", types[i],
1494                                    opt, 0, &ret);
1495                 if (ret)
1496                         return ret;
1497         }
1498         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1499         return (ret);
1500 }
1501
1502 int get_int_from_profile(char **types, const char *opt, int def_val)
1503 {
1504         int ret;
1505         char **cpp;
1506
1507         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1508         for (cpp = types; *cpp; cpp++)
1509                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1510         return ret;
1511 }
1512
1513 static unsigned int get_uint_from_profile(char **types, const char *opt,
1514                                         unsigned int def_val)
1515 {
1516         unsigned int ret;
1517         char **cpp;
1518
1519         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1520         for (cpp = types; *cpp; cpp++)
1521                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1522         return ret;
1523 }
1524
1525 static double get_double_from_profile(char **types, const char *opt,
1526                                       double def_val)
1527 {
1528         double ret;
1529         char **cpp;
1530
1531         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1532         for (cpp = types; *cpp; cpp++)
1533                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1534         return ret;
1535 }
1536
1537 int get_bool_from_profile(char **types, const char *opt, int def_val)
1538 {
1539         int ret;
1540         char **cpp;
1541
1542         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1543         for (cpp = types; *cpp; cpp++)
1544                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1545         return ret;
1546 }
1547
1548 extern const char *mke2fs_default_profile;
1549 static const char *default_files[] = { "<default>", 0 };
1550
1551 struct device_param {
1552         unsigned long min_io;           /* preferred minimum IO size */
1553         unsigned long opt_io;           /* optimal IO size */
1554         unsigned long alignment_offset; /* alignment offset wrt physical block size */
1555         unsigned int dax:1;             /* supports dax? */
1556 };
1557
1558 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1559 /*
1560  * Sets the geometry of a device (stripe/stride), and returns the
1561  * device's alignment offset, if any, or a negative error.
1562  */
1563 static int get_device_geometry(const char *file,
1564                                unsigned int blocksize,
1565                                unsigned int psector_size,
1566                                struct device_param *dev_param)
1567 {
1568         int rc = -1;
1569         blkid_probe pr;
1570         blkid_topology tp;
1571         struct stat statbuf;
1572
1573         memset(dev_param, 0, sizeof(*dev_param));
1574
1575         /* Nothing to do for a regular file */
1576         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1577                 return 0;
1578
1579         pr = blkid_new_probe_from_filename(file);
1580         if (!pr)
1581                 goto out;
1582
1583         tp = blkid_probe_get_topology(pr);
1584         if (!tp)
1585                 goto out;
1586
1587         dev_param->min_io = blkid_topology_get_minimum_io_size(tp);
1588         dev_param->opt_io = blkid_topology_get_optimal_io_size(tp);
1589         if ((dev_param->min_io == 0) && (psector_size > blocksize))
1590                 dev_param->min_io = psector_size;
1591         if ((dev_param->opt_io == 0) && dev_param->min_io > 0)
1592                 dev_param->opt_io = dev_param->min_io;
1593         if ((dev_param->opt_io == 0) && (psector_size > blocksize))
1594                 dev_param->opt_io = psector_size;
1595
1596         dev_param->alignment_offset = blkid_topology_get_alignment_offset(tp);
1597 #ifdef HAVE_BLKID_TOPOLOGY_GET_DAX
1598         dev_param->dax = blkid_topology_get_dax(tp);
1599 #endif
1600         rc = 0;
1601 out:
1602         blkid_free_probe(pr);
1603         return rc;
1604 }
1605 #endif
1606
1607 static void PRS(int argc, char *argv[])
1608 {
1609         int             b, c, flags;
1610         int             cluster_size = 0;
1611         char            *tmp, **cpp;
1612         int             explicit_fssize = 0;
1613         int             blocksize = 0;
1614         int             inode_ratio = 0;
1615         int             inode_size = 0;
1616         unsigned long   flex_bg_size = 0;
1617         double          reserved_ratio = -1.0;
1618         int             lsector_size = 0, psector_size = 0;
1619         int             show_version_only = 0, is_device = 0;
1620         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1621         int             default_orphan_file = 0;
1622         int             default_csum_seed = 0;
1623         errcode_t       retval;
1624         char *          oldpath = getenv("PATH");
1625         char *          extended_opts = 0;
1626         char *          fs_type = 0;
1627         char *          usage_types = 0;
1628         /*
1629          * NOTE: A few words about fs_blocks_count and blocksize:
1630          *
1631          * Initially, blocksize is set to zero, which implies 1024.
1632          * If -b is specified, blocksize is updated to the user's value.
1633          *
1634          * Next, the device size or the user's "blocks" command line argument
1635          * is used to set fs_blocks_count; the units are blocksize.
1636          *
1637          * Later, if blocksize hasn't been set and the profile specifies a
1638          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1639          * appropriately.  Note the change in units!
1640          *
1641          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1642          */
1643         blk64_t         fs_blocks_count = 0;
1644         int             s_opt = -1, r_opt = -1;
1645         char            *fs_features = 0;
1646         int             fs_features_size = 0;
1647         int             use_bsize;
1648         char            *newpath;
1649         int             pathlen = sizeof(PATH_SET) + 1;
1650 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1651         struct device_param dev_param;
1652 #endif
1653
1654         if (oldpath)
1655                 pathlen += strlen(oldpath);
1656         newpath = malloc(pathlen);
1657         if (!newpath) {
1658                 fprintf(stderr, "%s",
1659                         _("Couldn't allocate memory for new PATH.\n"));
1660                 exit(1);
1661         }
1662         strcpy(newpath, PATH_SET);
1663
1664         /* Update our PATH to include /sbin  */
1665         if (oldpath) {
1666                 strcat (newpath, ":");
1667                 strcat (newpath, oldpath);
1668         }
1669         putenv (newpath);
1670
1671         /* Determine the system page size if possible */
1672 #ifdef HAVE_SYSCONF
1673 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1674 #define _SC_PAGESIZE _SC_PAGE_SIZE
1675 #endif
1676 #ifdef _SC_PAGESIZE
1677         {
1678                 long sysval = sysconf(_SC_PAGESIZE);
1679
1680                 if (sysval > 0)
1681                         sys_page_size = sysval;
1682         }
1683 #endif /* _SC_PAGESIZE */
1684 #endif /* HAVE_SYSCONF */
1685
1686         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1687                 config_fn[0] = tmp;
1688         profile_set_syntax_err_cb(syntax_err_report);
1689         retval = profile_init(config_fn, &profile);
1690         if (retval == ENOENT) {
1691                 retval = profile_init(default_files, &profile);
1692                 if (retval)
1693                         goto profile_error;
1694                 retval = profile_set_default(profile, mke2fs_default_profile);
1695                 if (retval)
1696                         goto profile_error;
1697         } else if (retval) {
1698 profile_error:
1699                 fprintf(stderr, _("Couldn't init profile successfully"
1700                                   " (error: %ld).\n"), retval);
1701                 exit(1);
1702         }
1703
1704         setbuf(stdout, NULL);
1705         setbuf(stderr, NULL);
1706         add_error_table(&et_ext2_error_table);
1707         add_error_table(&et_prof_error_table);
1708         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1709         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1710
1711         if (is_before_linux_ver(2, 2, 0))
1712                 fs_param.s_rev_level = 0;
1713
1714         if (argc && *argv) {
1715                 program_name = get_progname(*argv);
1716
1717                 /* If called as mkfs.ext3, create a journal inode */
1718                 if (!strcmp(program_name, "mkfs.ext3") ||
1719                     !strcmp(program_name, "mke3fs"))
1720                         journal_size = -1;
1721         }
1722
1723         while ((c = getopt (argc, argv,
1724                     "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) {
1725                 switch (c) {
1726                 case 'b':
1727                         blocksize = parse_num_blocks2(optarg, -1);
1728                         b = (blocksize > 0) ? blocksize : -blocksize;
1729                         if (b < EXT2_MIN_BLOCK_SIZE ||
1730                             b > EXT2_MAX_BLOCK_SIZE) {
1731                                 com_err(program_name, 0,
1732                                         _("invalid block size - %s"), optarg);
1733                                 exit(1);
1734                         }
1735                         if (blocksize > 4096)
1736                                 fprintf(stderr, _("Warning: blocksize %d not "
1737                                                   "usable on most systems.\n"),
1738                                         blocksize);
1739                         if (blocksize > 0)
1740                                 fs_param.s_log_block_size =
1741                                         int_log2(blocksize >>
1742                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1743                         break;
1744                 case 'c':       /* Check for bad blocks */
1745                         cflag++;
1746                         break;
1747                 case 'C':
1748                         cluster_size = parse_num_blocks2(optarg, -1);
1749                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1750                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1751                                 com_err(program_name, 0,
1752                                         _("invalid cluster size - %s"),
1753                                         optarg);
1754                                 exit(1);
1755                         }
1756                         break;
1757                 case 'd':
1758                         src_root = optarg;
1759                         break;
1760                 case 'D':
1761                         direct_io = 1;
1762                         break;
1763                 case 'R':
1764                         com_err(program_name, 0, "%s",
1765                                 _("'-R' is deprecated, use '-E' instead"));
1766                         /* fallthrough */
1767                 case 'E':
1768                         extended_opts = optarg;
1769                         break;
1770                 case 'e':
1771                         if (strcmp(optarg, "continue") == 0)
1772                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1773                         else if (strcmp(optarg, "remount-ro") == 0)
1774                                 errors_behavior = EXT2_ERRORS_RO;
1775                         else if (strcmp(optarg, "panic") == 0)
1776                                 errors_behavior = EXT2_ERRORS_PANIC;
1777                         else {
1778                                 com_err(program_name, 0,
1779                                         _("bad error behavior - %s"),
1780                                         optarg);
1781                                 usage();
1782                         }
1783                         break;
1784                 case 'F':
1785                         force++;
1786                         break;
1787                 case 'g':
1788                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1789                         if (*tmp) {
1790                                 com_err(program_name, 0, "%s",
1791                                 _("Illegal number for blocks per group"));
1792                                 exit(1);
1793                         }
1794                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1795                                 com_err(program_name, 0, "%s",
1796                                 _("blocks per group must be multiple of 8"));
1797                                 exit(1);
1798                         }
1799                         break;
1800                 case 'G':
1801                         flex_bg_size = strtoul(optarg, &tmp, 0);
1802                         if (*tmp) {
1803                                 com_err(program_name, 0, "%s",
1804                                         _("Illegal number for flex_bg size"));
1805                                 exit(1);
1806                         }
1807                         if (flex_bg_size < 1 ||
1808                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1809                                 com_err(program_name, 0, "%s",
1810                                         _("flex_bg size must be a power of 2"));
1811                                 exit(1);
1812                         }
1813                         if (flex_bg_size > MAX_32_NUM) {
1814                                 com_err(program_name, 0,
1815                                 _("flex_bg size (%lu) must be less than"
1816                                 " or equal to 2^31"), flex_bg_size);
1817                                 exit(1);
1818                         }
1819                         break;
1820                 case 'i':
1821                         inode_ratio = parse_num_blocks(optarg, -1);
1822                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1823                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1824                                 com_err(program_name, 0,
1825                                         _("invalid inode ratio %s (min %d/max %d)"),
1826                                         optarg, EXT2_MIN_BLOCK_SIZE,
1827                                         EXT2_MAX_BLOCK_SIZE * 1024);
1828                                 exit(1);
1829                         }
1830                         break;
1831                 case 'I':
1832                         inode_size = strtoul(optarg, &tmp, 0);
1833                         if (*tmp) {
1834                                 com_err(program_name, 0,
1835                                         _("invalid inode size - %s"), optarg);
1836                                 exit(1);
1837                         }
1838                         break;
1839                 case 'j':
1840                         if (!journal_size)
1841                                 journal_size = -1;
1842                         if (!journal_fc_size)
1843                                 journal_fc_size = -1;
1844                         break;
1845                 case 'J':
1846                         parse_journal_opts(optarg);
1847                         break;
1848                 case 'K':
1849                         fprintf(stderr, "%s",
1850                                 _("Warning: -K option is deprecated and "
1851                                   "should not be used anymore. Use "
1852                                   "\'-E nodiscard\' extended option "
1853                                   "instead!\n"));
1854                         discard = 0;
1855                         break;
1856                 case 'l':
1857                         bad_blocks_filename = realloc(bad_blocks_filename,
1858                                                       strlen(optarg) + 1);
1859                         if (!bad_blocks_filename) {
1860                                 com_err(program_name, ENOMEM, "%s",
1861                                         _("in malloc for bad_blocks_filename"));
1862                                 exit(1);
1863                         }
1864                         strcpy(bad_blocks_filename, optarg);
1865                         break;
1866                 case 'L':
1867                         volume_label = optarg;
1868                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1869                                 volume_label[EXT2_LABEL_LEN] = '\0';
1870                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1871                                         volume_label);
1872                         }
1873                         break;
1874                 case 'm':
1875                         reserved_ratio = strtod(optarg, &tmp);
1876                         if ( *tmp || reserved_ratio > 50 ||
1877                              reserved_ratio < 0) {
1878                                 com_err(program_name, 0,
1879                                         _("invalid reserved blocks percent - %s"),
1880                                         optarg);
1881                                 exit(1);
1882                         }
1883                         break;
1884                 case 'M':
1885                         mount_dir = optarg;
1886                         break;
1887                 case 'n':
1888                         noaction++;
1889                         break;
1890                 case 'N':
1891                         num_inodes = strtoul(optarg, &tmp, 0);
1892                         if (*tmp) {
1893                                 com_err(program_name, 0,
1894                                         _("bad num inodes - %s"), optarg);
1895                                         exit(1);
1896                         }
1897                         break;
1898                 case 'o':
1899                         creator_os = optarg;
1900                         break;
1901                 case 'O':
1902                         retval = ext2fs_resize_mem(fs_features_size,
1903                                    fs_features_size + 1 + strlen(optarg),
1904                                                    &fs_features);
1905                         if (retval) {
1906                                 com_err(program_name, retval,
1907                                      _("while allocating fs_feature string"));
1908                                 exit(1);
1909                         }
1910                         if (fs_features_size)
1911                                 strcat(fs_features, ",");
1912                         else
1913                                 fs_features[0] = 0;
1914                         strcat(fs_features, optarg);
1915                         fs_features_size += 1 + strlen(optarg);
1916                         break;
1917                 case 'q':
1918                         quiet = 1;
1919                         break;
1920                 case 'r':
1921                         r_opt = strtoul(optarg, &tmp, 0);
1922                         if (*tmp) {
1923                                 com_err(program_name, 0,
1924                                         _("bad revision level - %s"), optarg);
1925                                 exit(1);
1926                         }
1927                         if (r_opt > EXT2_MAX_SUPP_REV) {
1928                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1929                                         _("while trying to create revision %d"), r_opt);
1930                                 exit(1);
1931                         }
1932                         fs_param.s_rev_level = r_opt;
1933                         break;
1934                 case 's':       /* deprecated */
1935                         s_opt = atoi(optarg);
1936                         break;
1937                 case 'S':
1938                         super_only = 1;
1939                         break;
1940                 case 't':
1941                         if (fs_type) {
1942                                 com_err(program_name, 0, "%s",
1943                                     _("The -t option may only be used once"));
1944                                 exit(1);
1945                         }
1946                         fs_type = strdup(optarg);
1947                         break;
1948                 case 'T':
1949                         if (usage_types) {
1950                                 com_err(program_name, 0, "%s",
1951                                     _("The -T option may only be used once"));
1952                                 exit(1);
1953                         }
1954                         usage_types = strdup(optarg);
1955                         break;
1956                 case 'U':
1957                         fs_uuid = optarg;
1958                         break;
1959                 case 'v':
1960                         verbose = 1;
1961                         break;
1962                 case 'V':
1963                         /* Print version number and exit */
1964                         show_version_only++;
1965                         break;
1966                 case 'z':
1967                         undo_file = optarg;
1968                         break;
1969                 default:
1970                         usage();
1971                 }
1972         }
1973         if ((optind == argc) && !show_version_only)
1974                 usage();
1975         device_name = argv[optind++];
1976
1977         if (!quiet || show_version_only)
1978                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1979                          E2FSPROGS_DATE);
1980
1981         if (show_version_only) {
1982                 fprintf(stderr, _("\tUsing %s\n"),
1983                         error_message(EXT2_ET_BASE));
1984                 exit(0);
1985         }
1986
1987         /*
1988          * If there's no blocksize specified and there is a journal
1989          * device, use it to figure out the blocksize
1990          */
1991         if (blocksize <= 0 && journal_device) {
1992                 ext2_filsys     jfs;
1993                 io_manager      io_ptr;
1994
1995 #ifdef CONFIG_TESTIO_DEBUG
1996                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1997                         io_ptr = test_io_manager;
1998                         test_io_backing_manager = default_io_manager;
1999                 } else
2000 #endif
2001                         io_ptr = default_io_manager;
2002                 retval = ext2fs_open(journal_device,
2003                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
2004                                      0, io_ptr, &jfs);
2005                 if (retval) {
2006                         com_err(program_name, retval,
2007                                 _("while trying to open journal device %s\n"),
2008                                 journal_device);
2009                         exit(1);
2010                 }
2011                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
2012                         com_err(program_name, 0,
2013                                 _("Journal dev blocksize (%d) smaller than "
2014                                   "minimum blocksize %d\n"), jfs->blocksize,
2015                                 -blocksize);
2016                         exit(1);
2017                 }
2018                 blocksize = jfs->blocksize;
2019                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
2020                 fs_param.s_log_block_size =
2021                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2022                 ext2fs_close_free(&jfs);
2023         }
2024
2025         if (optind < argc) {
2026                 fs_blocks_count = parse_num_blocks2(argv[optind++],
2027                                                    fs_param.s_log_block_size);
2028                 if (!fs_blocks_count) {
2029                         com_err(program_name, 0,
2030                                 _("invalid blocks '%s' on device '%s'"),
2031                                 argv[optind - 1], device_name);
2032                         exit(1);
2033                 }
2034         }
2035         if (optind < argc)
2036                 usage();
2037
2038         profile_get_integer(profile, "options", "sync_kludge", 0, 0,
2039                             &sync_kludge);
2040         tmp = getenv("MKE2FS_SYNC");
2041         if (tmp)
2042                 sync_kludge = atoi(tmp);
2043
2044         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
2045                             &proceed_delay);
2046
2047         if (fs_blocks_count)
2048                 explicit_fssize = 1;
2049
2050         check_mount(device_name, force, _("filesystem"));
2051
2052         /* Determine the size of the device (if possible) */
2053         if (noaction && fs_blocks_count) {
2054                 dev_size = fs_blocks_count;
2055                 retval = 0;
2056         } else
2057                 retval = ext2fs_get_device_size2(device_name,
2058                                                  EXT2_BLOCK_SIZE(&fs_param),
2059                                                  &dev_size);
2060         if (retval == ENOENT) {
2061                 int fd;
2062
2063                 if (!explicit_fssize) {
2064                         fprintf(stderr,
2065                                 _("The file %s does not exist and no "
2066                                   "size was specified.\n"), device_name);
2067                         exit(1);
2068                 }
2069                 fd = ext2fs_open_file(device_name,
2070                                       O_CREAT | O_WRONLY, 0666);
2071                 if (fd < 0) {
2072                         retval = errno;
2073                 } else {
2074                         dev_size = 0;
2075                         retval = 0;
2076                         close(fd);
2077                         printf(_("Creating regular file %s\n"), device_name);
2078                 }
2079         }
2080         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
2081                 com_err(program_name, retval, "%s",
2082                         _("while trying to determine filesystem size"));
2083                 exit(1);
2084         }
2085         if (!fs_blocks_count) {
2086                 if (retval == EXT2_ET_UNIMPLEMENTED) {
2087                         com_err(program_name, 0, "%s",
2088                                 _("Couldn't determine device size; you "
2089                                 "must specify\nthe size of the "
2090                                 "filesystem\n"));
2091                         exit(1);
2092                 } else {
2093                         if (dev_size == 0) {
2094                                 com_err(program_name, 0, "%s",
2095                                 _("Device size reported to be zero.  "
2096                                   "Invalid partition specified, or\n\t"
2097                                   "partition table wasn't reread "
2098                                   "after running fdisk, due to\n\t"
2099                                   "a modified partition being busy "
2100                                   "and in use.  You may need to reboot\n\t"
2101                                   "to re-read your partition table.\n"
2102                                   ));
2103                                 exit(1);
2104                         }
2105                         fs_blocks_count = dev_size;
2106                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
2107                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
2108                                              EXT2_BLOCK_SIZE(&fs_param))-1));
2109                 }
2110         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
2111                 com_err(program_name, 0, "%s",
2112                         _("Filesystem larger than apparent device size."));
2113                 proceed_question(proceed_delay);
2114         }
2115
2116         if (!fs_type)
2117                 profile_get_string(profile, "devices", device_name,
2118                                    "fs_type", 0, &fs_type);
2119         if (!usage_types)
2120                 profile_get_string(profile, "devices", device_name,
2121                                    "usage_types", 0, &usage_types);
2122         if (!creator_os)
2123                 profile_get_string(profile, "defaults", "creator_os", 0,
2124                                    0, &creator_os);
2125
2126         /*
2127          * We have the file system (or device) size, so we can now
2128          * determine the appropriate file system types so the fs can
2129          * be appropriately configured.
2130          */
2131         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
2132                                  fs_blocks_count ? fs_blocks_count : dev_size,
2133                                  argv[0]);
2134         if (!fs_types) {
2135                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
2136                 exit(1);
2137         }
2138
2139         /* Figure out what features should be enabled */
2140
2141         tmp = NULL;
2142         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
2143                 tmp = get_string_from_profile(fs_types, "base_features",
2144                       "sparse_super,large_file,filetype,resize_inode,dir_index");
2145                 edit_feature(tmp, &fs_param.s_feature_compat);
2146                 free(tmp);
2147
2148                 /* And which mount options as well */
2149                 tmp = get_string_from_profile(fs_types, "default_mntopts",
2150                                               "acl,user_xattr");
2151                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
2152                 if (tmp)
2153                         free(tmp);
2154
2155                 for (cpp = fs_types; *cpp; cpp++) {
2156                         tmp = NULL;
2157                         profile_get_string(profile, "fs_types", *cpp,
2158                                            "features", "", &tmp);
2159                         if (tmp && *tmp)
2160                                 edit_feature(tmp, &fs_param.s_feature_compat);
2161                         if (tmp)
2162                                 free(tmp);
2163                 }
2164                 tmp = get_string_from_profile(fs_types, "default_features",
2165                                               "");
2166         }
2167         /* Mask off features which aren't supported by the Hurd */
2168         if (for_hurd(creator_os)) {
2169                 ext2fs_clear_feature_filetype(&fs_param);
2170                 ext2fs_clear_feature_huge_file(&fs_param);
2171                 ext2fs_clear_feature_metadata_csum(&fs_param);
2172                 ext2fs_clear_feature_ea_inode(&fs_param);
2173                 ext2fs_clear_feature_casefold(&fs_param);
2174         }
2175         if (!fs_features && tmp)
2176                 edit_feature(tmp, &fs_param.s_feature_compat);
2177         /*
2178          * Now all the defaults are incorporated in fs_param. Check the state
2179          * of orphan_file feature so that we know whether we should silently
2180          * disabled in case journal gets disabled.
2181          */
2182         if (ext2fs_has_feature_orphan_file(&fs_param))
2183                 default_orphan_file = 1;
2184         if (ext2fs_has_feature_csum_seed(&fs_param))
2185                 default_csum_seed = 1;
2186         if (fs_features)
2187                 edit_feature(fs_features, &fs_param.s_feature_compat);
2188         /* Silently disable orphan_file if user chose fs without journal */
2189         if (default_orphan_file && !ext2fs_has_feature_journal(&fs_param))
2190                 ext2fs_clear_feature_orphan_file(&fs_param);
2191         if (default_csum_seed && !ext2fs_has_feature_metadata_csum(&fs_param))
2192                 ext2fs_clear_feature_csum_seed(&fs_param);
2193         if (tmp)
2194                 free(tmp);
2195         (void) ext2fs_free_mem(&fs_features);
2196         /*
2197          * If the user specified features incompatible with the Hurd, complain
2198          */
2199         if (for_hurd(creator_os)) {
2200                 if (ext2fs_has_feature_filetype(&fs_param)) {
2201                         fprintf(stderr, "%s", _("The HURD does not support the "
2202                                                 "filetype feature.\n"));
2203                         exit(1);
2204                 }
2205                 if (ext2fs_has_feature_huge_file(&fs_param)) {
2206                         fprintf(stderr, "%s", _("The HURD does not support the "
2207                                                 "huge_file feature.\n"));
2208                         exit(1);
2209                 }
2210                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2211                         fprintf(stderr, "%s", _("The HURD does not support the "
2212                                                 "metadata_csum feature.\n"));
2213                         exit(1);
2214                 }
2215                 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2216                         fprintf(stderr, "%s", _("The HURD does not support the "
2217                                                 "ea_inode feature.\n"));
2218                         exit(1);
2219                 }
2220         }
2221
2222         /* Get the hardware sector sizes, if available */
2223         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2224         if (retval) {
2225                 com_err(program_name, retval, "%s",
2226                         _("while trying to determine hardware sector size"));
2227                 exit(1);
2228         }
2229         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2230         if (retval) {
2231                 com_err(program_name, retval, "%s",
2232                         _("while trying to determine physical sector size"));
2233                 exit(1);
2234         }
2235
2236         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2237         if (tmp != NULL)
2238                 lsector_size = atoi(tmp);
2239         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2240         if (tmp != NULL)
2241                 psector_size = atoi(tmp);
2242
2243         /* Older kernels may not have physical/logical distinction */
2244         if (!psector_size)
2245                 psector_size = lsector_size;
2246
2247         if (blocksize <= 0) {
2248                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2249
2250                 if (use_bsize == -1) {
2251                         use_bsize = sys_page_size;
2252                         if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2253                                 use_bsize = 4096;
2254                 }
2255                 if (lsector_size && use_bsize < lsector_size)
2256                         use_bsize = lsector_size;
2257                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2258                         use_bsize = -blocksize;
2259                 blocksize = use_bsize;
2260                 fs_blocks_count /= (blocksize / 1024);
2261         } else {
2262                 if (blocksize < lsector_size) {                 /* Impossible */
2263                         com_err(program_name, EINVAL, "%s",
2264                                 _("while setting blocksize; too small "
2265                                   "for device\n"));
2266                         exit(1);
2267                 } else if ((blocksize < psector_size) &&
2268                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2269                         fprintf(stderr, _("Warning: specified blocksize %d is "
2270                                 "less than device physical sectorsize %d\n"),
2271                                 blocksize, psector_size);
2272                 }
2273         }
2274
2275         fs_param.s_log_block_size =
2276                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2277
2278         /*
2279          * We now need to do a sanity check of fs_blocks_count for
2280          * 32-bit vs 64-bit block number support.
2281          */
2282         if ((fs_blocks_count > MAX_32_NUM) &&
2283             ext2fs_has_feature_64bit(&fs_param))
2284                 ext2fs_clear_feature_resize_inode(&fs_param);
2285         if ((fs_blocks_count > MAX_32_NUM) &&
2286             !ext2fs_has_feature_64bit(&fs_param) &&
2287             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2288                 ext2fs_set_feature_64bit(&fs_param);
2289                 ext2fs_clear_feature_resize_inode(&fs_param);
2290         }
2291         if ((fs_blocks_count > MAX_32_NUM) &&
2292             !ext2fs_has_feature_64bit(&fs_param)) {
2293                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2294                                   "too big to be expressed\n\t"
2295                                   "in 32 bits using a blocksize of %d.\n"),
2296                         program_name, (unsigned long long) fs_blocks_count,
2297                         device_name, EXT2_BLOCK_SIZE(&fs_param));
2298                 exit(1);
2299         }
2300         /*
2301          * Guard against group descriptor count overflowing... Mostly to avoid
2302          * strange results for absurdly large devices.  This is in log2:
2303          * (blocksize) * (bits per byte) * (maximum number of block groups)
2304          */
2305         if (fs_blocks_count >
2306             (1ULL << (EXT2_BLOCK_SIZE_BITS(&fs_param) + 3 + 32)) - 1) {
2307                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2308                                   "too big to create\n\t"
2309                                   "a filesystem using a blocksize of %d.\n"),
2310                         program_name, (unsigned long long) fs_blocks_count,
2311                         device_name, EXT2_BLOCK_SIZE(&fs_param));
2312                 exit(1);
2313         }
2314
2315         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2316
2317         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2318                 int i;
2319
2320                 for (i=0; fs_types[i]; i++) {
2321                         free(fs_types[i]);
2322                         fs_types[i] = 0;
2323                 }
2324                 fs_types[0] = strdup("journal");
2325                 fs_types[1] = 0;
2326         }
2327
2328         if (verbose) {
2329                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2330                 print_str_list(fs_types);
2331         }
2332
2333         if (r_opt == EXT2_GOOD_OLD_REV &&
2334             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2335              fs_param.s_feature_ro_compat)) {
2336                 fprintf(stderr, "%s", _("Filesystem features not supported "
2337                                         "with revision 0 filesystems\n"));
2338                 exit(1);
2339         }
2340
2341         if (s_opt > 0) {
2342                 if (r_opt == EXT2_GOOD_OLD_REV) {
2343                         fprintf(stderr, "%s",
2344                                 _("Sparse superblocks not supported "
2345                                   "with revision 0 filesystems\n"));
2346                         exit(1);
2347                 }
2348                 ext2fs_set_feature_sparse_super(&fs_param);
2349         } else if (s_opt == 0)
2350                 ext2fs_clear_feature_sparse_super(&fs_param);
2351
2352         if (journal_size != 0) {
2353                 if (r_opt == EXT2_GOOD_OLD_REV) {
2354                         fprintf(stderr, "%s", _("Journals not supported with "
2355                                                 "revision 0 filesystems\n"));
2356                         exit(1);
2357                 }
2358                 ext2fs_set_feature_journal(&fs_param);
2359         }
2360
2361         /* Get reserved_ratio from profile if not specified on cmd line. */
2362         if (reserved_ratio < 0.0) {
2363                 reserved_ratio = get_double_from_profile(
2364                                         fs_types, "reserved_ratio", 5.0);
2365                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2366                         com_err(program_name, 0,
2367                                 _("invalid reserved blocks percent - %lf"),
2368                                 reserved_ratio);
2369                         exit(1);
2370                 }
2371         }
2372
2373         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2374                 reserved_ratio = 0;
2375                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2376                 fs_param.s_feature_compat = 0;
2377                 fs_param.s_feature_ro_compat &=
2378                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2379         }
2380
2381         /* Check the user's mkfs options for 64bit */
2382         if (ext2fs_has_feature_64bit(&fs_param) &&
2383             !ext2fs_has_feature_extents(&fs_param)) {
2384                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2385                                "filesystem.  Pass -O extents to rectify.\n"));
2386                 exit(1);
2387         }
2388
2389         /* Set first meta blockgroup via an environment variable */
2390         /* (this is mostly for debugging purposes) */
2391         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2392             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2393                 fs_param.s_first_meta_bg = atoi(tmp);
2394         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2395                 if (!cluster_size)
2396                         cluster_size = get_int_from_profile(fs_types,
2397                                                             "cluster_size",
2398                                                             blocksize*16);
2399                 fs_param.s_log_cluster_size =
2400                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2401                 if (fs_param.s_log_cluster_size &&
2402                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2403                         com_err(program_name, 0, "%s",
2404                                 _("The cluster size may not be "
2405                                   "smaller than the block size.\n"));
2406                         exit(1);
2407                 }
2408         } else if (cluster_size) {
2409                 com_err(program_name, 0, "%s",
2410                         _("specifying a cluster size requires the "
2411                           "bigalloc feature"));
2412                 exit(1);
2413         } else
2414                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2415
2416         if (inode_ratio == 0) {
2417                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2418                                                    8192);
2419                 if (inode_ratio < blocksize)
2420                         inode_ratio = blocksize;
2421                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2422                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2423         }
2424
2425 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2426         retval = get_device_geometry(device_name, blocksize,
2427                                      psector_size, &dev_param);
2428         if (retval < 0) {
2429                 fprintf(stderr,
2430                         _("warning: Unable to get device geometry for %s\n"),
2431                         device_name);
2432         } else {
2433                 /* setting stripe/stride to blocksize is pointless */
2434                 if (dev_param.min_io > (unsigned) blocksize)
2435                         fs_param.s_raid_stride = dev_param.min_io / blocksize;
2436                 if (dev_param.opt_io > (unsigned) blocksize) {
2437                         fs_param.s_raid_stripe_width =
2438                                                 dev_param.opt_io / blocksize;
2439                 }
2440
2441                 if (dev_param.alignment_offset) {
2442                         printf(_("%s alignment is offset by %lu bytes.\n"),
2443                                device_name, dev_param.alignment_offset);
2444                         printf(_("This may result in very poor performance, "
2445                                   "(re)-partitioning suggested.\n"));
2446                 }
2447
2448                 if (dev_param.dax && blocksize != sys_page_size) {
2449                         fprintf(stderr,
2450                                 _("%s is capable of DAX but current block size "
2451                                   "%u is different from system page size %u so "
2452                                   "filesystem will not support DAX.\n"),
2453                                 device_name, blocksize, sys_page_size);
2454                 }
2455         }
2456 #endif
2457
2458         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2459
2460         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2461
2462         /*
2463          * Initialize s_desc_size so that the parse_extended_opts()
2464          * can correctly handle "-E resize=NNN" if the 64-bit option
2465          * is set.
2466          */
2467         if (ext2fs_has_feature_64bit(&fs_param))
2468                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2469
2470         /* This check should happen beyond the last assignment to blocksize */
2471         if (blocksize > sys_page_size) {
2472                 if (!force) {
2473                         com_err(program_name, 0,
2474                                 _("%d-byte blocks too big for system (max %d)"),
2475                                 blocksize, sys_page_size);
2476                         proceed_question(proceed_delay);
2477                 }
2478                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2479                                   "(max %d), forced to continue\n"),
2480                         blocksize, sys_page_size);
2481         }
2482
2483         /* Metadata checksumming wasn't totally stable before 3.18. */
2484         if (is_before_linux_ver(3, 18, 0) &&
2485             ext2fs_has_feature_metadata_csum(&fs_param))
2486                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2487                         "improved stability of the metadata and journal "
2488                         "checksum features.\n"));
2489
2490         /*
2491          * On newer kernels we do have lazy_itable_init support. So pick the
2492          * right default in case ext4 module is not loaded.
2493          */
2494         if (is_before_linux_ver(2, 6, 37))
2495                 lazy_itable_init = 0;
2496         else
2497                 lazy_itable_init = 1;
2498
2499         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2500                 lazy_itable_init = 1;
2501
2502         lazy_itable_init = get_bool_from_profile(fs_types,
2503                                                  "lazy_itable_init",
2504                                                  lazy_itable_init);
2505         discard = get_bool_from_profile(fs_types, "discard" , discard);
2506         journal_flags |= get_bool_from_profile(fs_types,
2507                                                "lazy_journal_init", 0) ?
2508                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2509         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2510
2511         if (!journal_location_string)
2512                 journal_location_string = get_string_from_profile(fs_types,
2513                                                 "journal_location", "");
2514         if ((journal_location == ~0ULL) && journal_location_string &&
2515             *journal_location_string)
2516                 journal_location = parse_num_blocks2(journal_location_string,
2517                                                 fs_param.s_log_block_size);
2518         free(journal_location_string);
2519
2520         packed_meta_blocks = get_bool_from_profile(fs_types,
2521                                                    "packed_meta_blocks", 0);
2522         if (packed_meta_blocks)
2523                 journal_location = 0;
2524
2525         if (ext2fs_has_feature_casefold(&fs_param)) {
2526                 char *ef, *en = get_string_from_profile(fs_types,
2527                                                         "encoding", "utf8");
2528                 int encoding = e2p_str2encoding(en);
2529
2530                 if (encoding < 0) {
2531                         com_err(program_name, 0,
2532                                 _("Unknown filename encoding from profile: %s"),
2533                                 en);
2534                         exit(1);
2535                 }
2536                 free(en);
2537                 fs_param.s_encoding = encoding;
2538                 ef = get_string_from_profile(fs_types, "encoding_flags", NULL);
2539                 if (ef) {
2540                         if (e2p_str2encoding_flags(encoding, ef,
2541                                         &fs_param.s_encoding_flags) < 0) {
2542                                 com_err(program_name, 0,
2543                         _("Unknown encoding flags from profile: %s"), ef);
2544                                 exit(1);
2545                         }
2546                         free(ef);
2547                 } else
2548                         fs_param.s_encoding_flags =
2549                                 e2p_get_encoding_flags(encoding);
2550         }
2551
2552         /* Get options from profile */
2553         for (cpp = fs_types; *cpp; cpp++) {
2554                 tmp = NULL;
2555                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2556                         if (tmp && *tmp)
2557                                 parse_extended_opts(&fs_param, tmp);
2558                         free(tmp);
2559         }
2560
2561         if (extended_opts)
2562                 parse_extended_opts(&fs_param, extended_opts);
2563
2564         if (explicit_fssize == 0 && offset > 0) {
2565                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2566                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2567                 fprintf(stderr,
2568                         _("\nWarning: offset specified without an "
2569                           "explicit file system size.\n"
2570                           "Creating a file system with %llu blocks "
2571                           "but this might\n"
2572                           "not be what you want.\n\n"),
2573                         (unsigned long long) fs_blocks_count);
2574         }
2575
2576         if (quotatype_bits & QUOTA_PRJ_BIT)
2577                 ext2fs_set_feature_project(&fs_param);
2578
2579         if (ext2fs_has_feature_project(&fs_param)) {
2580                 quotatype_bits |= QUOTA_PRJ_BIT;
2581                 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2582                         com_err(program_name, 0,
2583                                 _("%d byte inodes are too small for "
2584                                   "project quota"),
2585                                 inode_size);
2586                         exit(1);
2587                 }
2588                 if (inode_size == 0) {
2589                         inode_size = get_int_from_profile(fs_types,
2590                                                           "inode_size", 0);
2591                         if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2592                                 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2593                 }
2594         }
2595
2596         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2597         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2598             ext2fs_has_feature_gdt_csum(&fs_param))
2599                 ext2fs_clear_feature_gdt_csum(&fs_param);
2600
2601         /* Can't support bigalloc feature without extents feature */
2602         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2603             !ext2fs_has_feature_extents(&fs_param)) {
2604                 com_err(program_name, 0, "%s",
2605                         _("Can't support bigalloc feature without "
2606                           "extents feature"));
2607                 exit(1);
2608         }
2609
2610         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2611             ext2fs_has_feature_resize_inode(&fs_param)) {
2612                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2613                                         "features are not compatible.\n"
2614                                         "They can not be both enabled "
2615                                         "simultaneously.\n"));
2616                 exit(1);
2617         }
2618
2619         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param) &&
2620             EXT2_CLUSTER_SIZE(&fs_param) > 16 * EXT2_BLOCK_SIZE(&fs_param))
2621                 fprintf(stderr, "%s", _("\nWarning: bigalloc file systems "
2622                                 "with a cluster size greater than\n"
2623                                 "16 times the block size is considered "
2624                                 "experimental\n"));
2625
2626         /*
2627          * Since sparse_super is the default, we would only have a problem
2628          * here if it was explicitly disabled.
2629          */
2630         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2631             !ext2fs_has_feature_sparse_super(&fs_param)) {
2632                 com_err(program_name, 0, "%s",
2633                         _("reserved online resize blocks not supported "
2634                           "on non-sparse filesystem"));
2635                 exit(1);
2636         }
2637
2638         if (fs_param.s_blocks_per_group) {
2639                 if (fs_param.s_blocks_per_group < 256 ||
2640                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2641                         com_err(program_name, 0, "%s",
2642                                 _("blocks per group count out of range"));
2643                         exit(1);
2644                 }
2645         }
2646
2647         /*
2648          * If the bigalloc feature is enabled, then the -g option will
2649          * specify the number of clusters per group.
2650          */
2651         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2652                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2653                 fs_param.s_blocks_per_group = 0;
2654         }
2655
2656         if (inode_size == 0)
2657                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2658         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2659                 flex_bg_size = get_uint_from_profile(fs_types,
2660                                                      "flex_bg_size", 16);
2661         if (flex_bg_size) {
2662                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2663                         com_err(program_name, 0, "%s",
2664                                 _("Flex_bg feature not enabled, so "
2665                                   "flex_bg size may not be specified"));
2666                         exit(1);
2667                 }
2668                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2669         }
2670
2671         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2672                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2673                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2674                     inode_size & (inode_size - 1)) {
2675                         com_err(program_name, 0,
2676                                 _("invalid inode size %d (min %d/max %d)"),
2677                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2678                                 blocksize);
2679                         exit(1);
2680                 }
2681                 fs_param.s_inode_size = inode_size;
2682         }
2683
2684         /*
2685          * If inode size is 128 and inline data is enabled, we need
2686          * to notify users that inline data will never be useful.
2687          */
2688         if (ext2fs_has_feature_inline_data(&fs_param) &&
2689             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2690                 com_err(program_name, 0,
2691                         _("%d byte inodes are too small for inline data; "
2692                           "specify larger size"),
2693                         fs_param.s_inode_size);
2694                 exit(1);
2695         }
2696
2697         /*
2698          * Warn the user that filesystems with 128-byte inodes will
2699          * not work properly beyond 2038.  This can be suppressed via
2700          * a boolean in the mke2fs.conf file, and we will disable this
2701          * warning for file systems created for the GNU Hurd.
2702          */
2703         if (inode_size == EXT2_GOOD_OLD_INODE_SIZE &&
2704             get_bool_from_profile(fs_types, "warn_y2038_dates", 1))
2705                 printf(
2706 _("128-byte inodes cannot handle dates beyond 2038 and are deprecated\n"));
2707
2708         /* Make sure number of inodes specified will fit in 32 bits */
2709         if (num_inodes == 0) {
2710                 unsigned long long n;
2711                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2712                 if (n > MAX_32_NUM) {
2713                         if (ext2fs_has_feature_64bit(&fs_param))
2714                                 num_inodes = MAX_32_NUM;
2715                         else {
2716                                 com_err(program_name, 0,
2717                                         _("too many inodes (%llu), raise "
2718                                           "inode ratio?"),
2719                                         (unsigned long long) n);
2720                                 exit(1);
2721                         }
2722                 }
2723         } else if (num_inodes > MAX_32_NUM) {
2724                 com_err(program_name, 0,
2725                         _("too many inodes (%llu), specify < 2^32 inodes"),
2726                         (unsigned long long) num_inodes);
2727                 exit(1);
2728         }
2729         /*
2730          * Calculate number of inodes based on the inode ratio
2731          */
2732         fs_param.s_inodes_count = num_inodes ? num_inodes :
2733                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2734
2735         if ((((unsigned long long)fs_param.s_inodes_count) *
2736              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2737             ((ext2fs_blocks_count(&fs_param)) *
2738              EXT2_BLOCK_SIZE(&fs_param))) {
2739                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2740                                           "(%u) too big for a\n\t"
2741                                           "filesystem with %llu blocks, "
2742                                           "specify higher inode_ratio (-i)\n\t"
2743                                           "or lower inode count (-N).\n"),
2744                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2745                         fs_param.s_inodes_count,
2746                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2747                 exit(1);
2748         }
2749
2750         /*
2751          * Calculate number of blocks to reserve
2752          */
2753         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2754                                   ext2fs_blocks_count(&fs_param) / 100.0);
2755
2756         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2757                 if (num_backups >= 1)
2758                         fs_param.s_backup_bgs[0] = 1;
2759                 if (num_backups >= 2)
2760                         fs_param.s_backup_bgs[1] = ~0;
2761         }
2762
2763         free(fs_type);
2764         free(usage_types);
2765
2766         /* The isatty() test is so we don't break existing scripts */
2767         flags = CREATE_FILE;
2768         if (isatty(0) && isatty(1) && !offset)
2769                 flags |= CHECK_FS_EXIST;
2770         if (!quiet)
2771                 flags |= VERBOSE_CREATE;
2772         if (!explicit_fssize)
2773                 flags |= NO_SIZE;
2774         if (!check_plausibility(device_name, flags, &is_device) && !force)
2775                 proceed_question(proceed_delay);
2776 }
2777
2778 static int should_do_undo(const char *name)
2779 {
2780         errcode_t retval;
2781         io_channel channel;
2782         __u16   s_magic;
2783         struct ext2_super_block super;
2784         io_manager manager = default_io_manager;
2785         int csum_flag, force_undo;
2786
2787         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2788                     ext2fs_has_feature_gdt_csum(&fs_param);
2789         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2790         if (!force_undo && (!csum_flag || !lazy_itable_init))
2791                 return 0;
2792
2793         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2794         if (retval) {
2795                 /*
2796                  * We don't handle error cases instead we
2797                  * declare that the file system doesn't exist
2798                  * and let the rest of mke2fs take care of
2799                  * error
2800                  */
2801                 retval = 0;
2802                 goto open_err_out;
2803         }
2804
2805         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2806         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2807         if (retval) {
2808                 retval = 0;
2809                 goto err_out;
2810         }
2811
2812 #if defined(WORDS_BIGENDIAN)
2813         s_magic = ext2fs_swab16(super.s_magic);
2814 #else
2815         s_magic = super.s_magic;
2816 #endif
2817
2818         if (s_magic == EXT2_SUPER_MAGIC)
2819                 retval = 1;
2820
2821 err_out:
2822         io_channel_close(channel);
2823
2824 open_err_out:
2825
2826         return retval;
2827 }
2828
2829 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2830 {
2831         errcode_t retval = ENOMEM;
2832         char *tdb_dir = NULL, *tdb_file = NULL;
2833         char *dev_name, *tmp_name;
2834         int free_tdb_dir = 0;
2835
2836         /* (re)open a specific undo file */
2837         if (undo_file && undo_file[0] != 0) {
2838                 retval = set_undo_io_backing_manager(*io_ptr);
2839                 if (retval)
2840                         goto err;
2841                 *io_ptr = undo_io_manager;
2842                 retval = set_undo_io_backup_file(undo_file);
2843                 if (retval)
2844                         goto err;
2845                 printf(_("Overwriting existing filesystem; this can be undone "
2846                          "using the command:\n"
2847                          "    e2undo %s %s\n\n"), undo_file, name);
2848                 return retval;
2849         }
2850
2851         /*
2852          * Configuration via a conf file would be
2853          * nice
2854          */
2855         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2856         if (!tdb_dir) {
2857                 profile_get_string(profile, "defaults",
2858                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2859                                    &tdb_dir);
2860                 free_tdb_dir = 1;
2861         }
2862
2863         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2864             access(tdb_dir, W_OK)) {
2865                 if (free_tdb_dir)
2866                         free(tdb_dir);
2867                 return 0;
2868         }
2869
2870         tmp_name = strdup(name);
2871         if (!tmp_name)
2872                 goto errout;
2873         dev_name = basename(tmp_name);
2874         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2875         if (!tdb_file) {
2876                 free(tmp_name);
2877                 goto errout;
2878         }
2879         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2880         free(tmp_name);
2881
2882         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2883                 retval = errno;
2884                 com_err(program_name, retval,
2885                         _("while trying to delete %s"), tdb_file);
2886                 goto errout;
2887         }
2888
2889         retval = set_undo_io_backing_manager(*io_ptr);
2890         if (retval)
2891                 goto errout;
2892         *io_ptr = undo_io_manager;
2893         retval = set_undo_io_backup_file(tdb_file);
2894         if (retval)
2895                 goto errout;
2896         printf(_("Overwriting existing filesystem; this can be undone "
2897                  "using the command:\n"
2898                  "    e2undo %s %s\n\n"), tdb_file, name);
2899
2900         if (free_tdb_dir)
2901                 free(tdb_dir);
2902         free(tdb_file);
2903         return 0;
2904
2905 errout:
2906         if (free_tdb_dir)
2907                 free(tdb_dir);
2908         free(tdb_file);
2909 err:
2910         com_err(program_name, retval, "%s",
2911                 _("while trying to setup undo file\n"));
2912         return retval;
2913 }
2914
2915 static int mke2fs_discard_device(ext2_filsys fs)
2916 {
2917         struct ext2fs_numeric_progress_struct progress;
2918         blk64_t blocks = ext2fs_blocks_count(fs->super);
2919         blk64_t count = DISCARD_STEP_MB;
2920         blk64_t cur = 0;
2921         int retval = 0;
2922
2923         /*
2924          * Let's try if discard really works on the device, so
2925          * we do not print numeric progress resulting in failure
2926          * afterwards.
2927          */
2928         retval = io_channel_discard(fs->io, 0, 1);
2929         if (retval)
2930                 return retval;
2931
2932         count *= (1024 * 1024);
2933         count /= fs->blocksize;
2934
2935         ext2fs_numeric_progress_init(fs, &progress,
2936                                      _("Discarding device blocks: "),
2937                                      blocks);
2938         while (cur < blocks) {
2939                 ext2fs_numeric_progress_update(fs, &progress, cur);
2940
2941                 if (cur + count > blocks)
2942                         count = blocks - cur;
2943
2944                 retval = io_channel_discard(fs->io, cur, count);
2945                 if (retval)
2946                         break;
2947                 cur += count;
2948         }
2949
2950         if (retval) {
2951                 ext2fs_numeric_progress_close(fs, &progress,
2952                                       _("failed - "));
2953                 if (!quiet)
2954                         printf("%s\n",error_message(retval));
2955         } else
2956                 ext2fs_numeric_progress_close(fs, &progress,
2957                                       _("done                            \n"));
2958
2959         return retval;
2960 }
2961
2962 static void fix_cluster_bg_counts(ext2_filsys fs)
2963 {
2964         blk64_t         block, num_blocks, last_block, next;
2965         blk64_t         tot_free = 0;
2966         errcode_t       retval;
2967         dgrp_t          group = 0;
2968         int             grp_free = 0;
2969
2970         num_blocks = ext2fs_blocks_count(fs->super);
2971         last_block = ext2fs_group_last_block2(fs, group);
2972         block = fs->super->s_first_data_block;
2973         while (block < num_blocks) {
2974                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2975                                                 block, last_block, &next);
2976                 if (retval == 0)
2977                         block = next;
2978                 else {
2979                         block = last_block + 1;
2980                         goto next_bg;
2981                 }
2982
2983                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2984                                                 block, last_block, &next);
2985                 if (retval)
2986                         next = last_block + 1;
2987                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2988                 tot_free += next - block;
2989                 block = next;
2990
2991                 if (block > last_block) {
2992                 next_bg:
2993                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2994                         ext2fs_group_desc_csum_set(fs, group);
2995                         grp_free = 0;
2996                         group++;
2997                         last_block = ext2fs_group_last_block2(fs, group);
2998                 }
2999         }
3000         ext2fs_free_blocks_count_set(fs->super, tot_free);
3001 }
3002
3003 static int create_quota_inodes(ext2_filsys fs)
3004 {
3005         quota_ctx_t qctx;
3006         errcode_t retval;
3007
3008         retval = quota_init_context(&qctx, fs, quotatype_bits);
3009         if (retval) {
3010                 com_err(program_name, retval,
3011                         _("while initializing quota context"));
3012                 exit(1);
3013         }
3014         quota_compute_usage(qctx);
3015         retval = quota_write_inode(qctx, quotatype_bits);
3016         if (retval) {
3017                 com_err(program_name, retval,
3018                         _("while writing quota inodes"));
3019                 exit(1);
3020         }
3021         quota_release_context(&qctx);
3022
3023         return 0;
3024 }
3025
3026 static errcode_t set_error_behavior(ext2_filsys fs)
3027 {
3028         char    *arg = NULL;
3029         short   errors = fs->super->s_errors;
3030
3031         arg = get_string_from_profile(fs_types, "errors", NULL);
3032         if (arg == NULL)
3033                 goto try_user;
3034
3035         if (strcmp(arg, "continue") == 0)
3036                 errors = EXT2_ERRORS_CONTINUE;
3037         else if (strcmp(arg, "remount-ro") == 0)
3038                 errors = EXT2_ERRORS_RO;
3039         else if (strcmp(arg, "panic") == 0)
3040                 errors = EXT2_ERRORS_PANIC;
3041         else {
3042                 com_err(program_name, 0,
3043                         _("bad error behavior in profile - %s"),
3044                         arg);
3045                 free(arg);
3046                 return EXT2_ET_INVALID_ARGUMENT;
3047         }
3048         free(arg);
3049
3050 try_user:
3051         if (errors_behavior)
3052                 errors = errors_behavior;
3053
3054         fs->super->s_errors = errors;
3055         return 0;
3056 }
3057
3058 int main (int argc, char *argv[])
3059 {
3060         errcode_t       retval = 0;
3061         ext2_filsys     fs;
3062         badblocks_list  bb_list = 0;
3063         badblocks_iterate       bb_iter;
3064         blk_t           blk;
3065         struct ext2fs_journal_params    jparams = {0};
3066         unsigned int    i, checkinterval;
3067         int             max_mnt_count;
3068         int             val, hash_alg;
3069         int             flags;
3070         int             old_bitmaps;
3071         io_manager      io_ptr;
3072         char            opt_string[40];
3073         char            *hash_alg_str;
3074         int             itable_zeroed = 0;
3075         blk64_t         overhead;
3076
3077 #ifdef ENABLE_NLS
3078         setlocale(LC_MESSAGES, "");
3079         setlocale(LC_CTYPE, "");
3080         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
3081         textdomain(NLS_CAT_NAME);
3082         set_com_err_gettext(gettext);
3083 #endif
3084         PRS(argc, argv);
3085
3086 #ifdef CONFIG_TESTIO_DEBUG
3087         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
3088                 io_ptr = test_io_manager;
3089                 test_io_backing_manager = default_io_manager;
3090         } else
3091 #endif
3092                 io_ptr = default_io_manager;
3093
3094         if (undo_file != NULL || should_do_undo(device_name)) {
3095                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
3096                 if (retval)
3097                         exit(1);
3098         }
3099
3100         /*
3101          * Initialize the superblock....
3102          */
3103         flags = EXT2_FLAG_EXCLUSIVE;
3104         if (direct_io)
3105                 flags |= EXT2_FLAG_DIRECT_IO;
3106         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
3107                             &old_bitmaps);
3108         if (!old_bitmaps)
3109                 flags |= EXT2_FLAG_64BITS;
3110         /*
3111          * By default, we print how many inode tables or block groups
3112          * or whatever we've written so far.  The quiet flag disables
3113          * this, along with a lot of other output.
3114          */
3115         if (!quiet)
3116                 flags |= EXT2_FLAG_PRINT_PROGRESS;
3117         if (android_sparse_file) {
3118                 char *android_sparse_params = malloc(strlen(device_name) + 48);
3119
3120                 if (!android_sparse_params) {
3121                         com_err(program_name, ENOMEM, "%s",
3122                                 _("in malloc for android_sparse_params"));
3123                         exit(1);
3124                 }
3125                 sprintf(android_sparse_params, "(%s):%u:%u",
3126                          device_name, fs_param.s_blocks_count,
3127                          1024 << fs_param.s_log_block_size);
3128                 retval = ext2fs_initialize(android_sparse_params, flags,
3129                                            &fs_param, sparse_io_manager, &fs);
3130                 free(android_sparse_params);
3131         } else
3132                 retval = ext2fs_initialize(device_name, flags, &fs_param,
3133                                            io_ptr, &fs);
3134         if (retval) {
3135                 com_err(device_name, retval, "%s",
3136                         _("while setting up superblock"));
3137                 exit(1);
3138         }
3139         fs->progress_ops = &ext2fs_numeric_progress_ops;
3140
3141         /* Set the error behavior */
3142         retval = set_error_behavior(fs);
3143         if (retval)
3144                 usage();
3145
3146         /* Check the user's mkfs options for metadata checksumming */
3147         if (!quiet &&
3148             !ext2fs_has_feature_journal_dev(fs->super) &&
3149             ext2fs_has_feature_metadata_csum(fs->super)) {
3150                 if (!ext2fs_has_feature_extents(fs->super))
3151                         printf("%s",
3152                                _("Extents are not enabled.  The file extent "
3153                                  "tree can be checksummed, whereas block maps "
3154                                  "cannot.  Not enabling extents reduces the "
3155                                  "coverage of metadata checksumming.  "
3156                                  "Pass -O extents to rectify.\n"));
3157                 if (!ext2fs_has_feature_64bit(fs->super))
3158                         printf("%s",
3159                                _("64-bit filesystem support is not enabled.  "
3160                                  "The larger fields afforded by this feature "
3161                                  "enable full-strength checksumming.  "
3162                                  "Pass -O 64bit to rectify.\n"));
3163         }
3164
3165         if (ext2fs_has_feature_csum_seed(fs->super) &&
3166             !ext2fs_has_feature_metadata_csum(fs->super)) {
3167                 printf("%s", _("The metadata_csum_seed feature "
3168                                "requires the metadata_csum feature.\n"));
3169                 exit(1);
3170         }
3171
3172         if (ext2fs_has_feature_dirdata(fs->super)) {
3173                 if (ext2fs_has_feature_inline_data(fs->super)) {
3174                         printf("%s", _("The dirdata feature can not enabled "
3175                                        "with inline data feature.\n"));
3176                         exit(1);
3177                 }
3178                 if (ext2fs_has_feature_casefold(fs->super)) {
3179                         printf("%s", _("The dirdata feature can not enabled "
3180                                        "with casefold feature.\n"));
3181                         exit(1);
3182                 }
3183         }
3184
3185         /* Calculate journal blocks */
3186         if (!journal_device && ((journal_size) ||
3187             ext2fs_has_feature_journal(&fs_param)))
3188                 figure_journal_size(&jparams, journal_size, journal_fc_size, fs);
3189
3190         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
3191                 32768 : fs->blocksize * 8);
3192         io_channel_set_options(fs->io, opt_string);
3193         if (offset) {
3194                 sprintf(opt_string, "offset=%llu", (unsigned long long) offset);
3195                 io_channel_set_options(fs->io, opt_string);
3196         }
3197
3198         if (assume_storage_prezeroed) {
3199                 if (verbose)
3200                         printf("%s",
3201                                _("Assuming the storage device is prezeroed "
3202                                "- skipping inode table and journal wipe\n"));
3203
3204                 lazy_itable_init = 1;
3205                 itable_zeroed = 1;
3206                 zero_hugefile = 0;
3207                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
3208         }
3209
3210         /* Can't undo discard ... */
3211         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
3212                 retval = mke2fs_discard_device(fs);
3213                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
3214                         if (verbose)
3215                                 printf("%s",
3216                                        _("Discard succeeded and will return "
3217                                          "0s - skipping inode table wipe\n"));
3218                         lazy_itable_init = 1;
3219                         itable_zeroed = 1;
3220                         zero_hugefile = 0;
3221                 }
3222         }
3223
3224         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
3225                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
3226
3227         if (ext2fs_has_feature_flex_bg(&fs_param) ||
3228             ext2fs_has_feature_huge_file(&fs_param) ||
3229             ext2fs_has_feature_gdt_csum(&fs_param) ||
3230             ext2fs_has_feature_dir_nlink(&fs_param) ||
3231             ext2fs_has_feature_metadata_csum(&fs_param) ||
3232             ext2fs_has_feature_extra_isize(&fs_param))
3233                 fs->super->s_kbytes_written = 1;
3234
3235         /*
3236          * Wipe out the old on-disk superblock
3237          */
3238         if (!noaction)
3239                 zap_sector(fs, 2, 6);
3240
3241         /*
3242          * Parse or generate a UUID for the filesystem
3243          */
3244         if (fs_uuid) {
3245                 if ((strcasecmp(fs_uuid, "null") == 0) ||
3246                     (strcasecmp(fs_uuid, "clear") == 0)) {
3247                         uuid_clear(fs->super->s_uuid);
3248                 } else if (strcasecmp(fs_uuid, "time") == 0) {
3249                         uuid_generate_time(fs->super->s_uuid);
3250                 } else if (strcasecmp(fs_uuid, "random") == 0) {
3251                         uuid_generate(fs->super->s_uuid);
3252                 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
3253                         com_err(device_name, 0, "could not parse UUID: %s\n",
3254                                 fs_uuid);
3255                         exit(1);
3256                 }
3257         } else
3258                 uuid_generate(fs->super->s_uuid);
3259
3260         if (ext2fs_has_feature_csum_seed(fs->super))
3261                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
3262                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
3263
3264         ext2fs_init_csum_seed(fs);
3265
3266         /*
3267          * Initialize the directory index variables
3268          */
3269         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3270                                                "half_md4");
3271         hash_alg = e2p_string2hash(hash_alg_str);
3272         free(hash_alg_str);
3273         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3274                 EXT2_HASH_HALF_MD4;
3275
3276         if (memcmp(fs_param.s_hash_seed, zero_buf,
3277                 sizeof(fs_param.s_hash_seed)) != 0) {
3278                 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3279                         sizeof(fs->super->s_hash_seed));
3280         } else
3281                 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3282
3283         /*
3284          * Periodic checks can be enabled/disabled via config file.
3285          * Note we override the kernel include file's idea of what the default
3286          * check interval (never) should be.  It's a good idea to check at
3287          * least *occasionally*, specially since servers will never rarely get
3288          * to reboot, since Linux is so robust these days.  :-)
3289          *
3290          * 180 days (six months) seems like a good value.
3291          */
3292 #ifdef EXT2_DFL_CHECKINTERVAL
3293 #undef EXT2_DFL_CHECKINTERVAL
3294 #endif
3295 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3296
3297         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3298                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3299                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3300                 /*
3301                  * Add "jitter" to the superblock's check interval so that we
3302                  * don't check all the filesystems at the same time.  We use a
3303                  * kludgy hack of using the UUID to derive a random jitter value
3304                  */
3305                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3306                         val += fs->super->s_uuid[i];
3307                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3308         } else
3309                 fs->super->s_max_mnt_count = -1;
3310
3311         /*
3312          * Override the creator OS, if applicable
3313          */
3314         if (creator_os && !set_os(fs->super, creator_os)) {
3315                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3316                 exit(1);
3317         }
3318
3319         /*
3320          * For the Hurd, we will turn off filetype since it doesn't
3321          * support it.
3322          */
3323         if (fs->super->s_creator_os == EXT2_OS_HURD)
3324                 ext2fs_clear_feature_filetype(fs->super);
3325
3326         /*
3327          * Set the volume label...
3328          */
3329         if (volume_label) {
3330                 memset(fs->super->s_volume_name, 0,
3331                        sizeof(fs->super->s_volume_name));
3332                 strncpy((char *) fs->super->s_volume_name, volume_label,
3333                         sizeof(fs->super->s_volume_name));
3334         }
3335
3336         /*
3337          * Set the last mount directory
3338          */
3339         if (mount_dir) {
3340                 memset(fs->super->s_last_mounted, 0,
3341                        sizeof(fs->super->s_last_mounted));
3342                 strncpy((char *) fs->super->s_last_mounted, mount_dir,
3343                         sizeof(fs->super->s_last_mounted));
3344         }
3345
3346         /* Set current default encryption algorithms for data and
3347          * filename encryption */
3348         if (ext2fs_has_feature_encrypt(fs->super)) {
3349                 fs->super->s_encrypt_algos[0] =
3350                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3351                 fs->super->s_encrypt_algos[1] =
3352                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3353         }
3354
3355         if (ext2fs_has_feature_metadata_csum(fs->super))
3356                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3357
3358         if (!quiet || noaction)
3359                 show_stats(fs);
3360
3361         if (noaction)
3362                 exit(0);
3363
3364         if (ext2fs_has_feature_journal_dev(fs->super)) {
3365                 create_journal_dev(fs);
3366                 printf("\n");
3367                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3368         }
3369
3370         if (bad_blocks_filename)
3371                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3372         if (cflag)
3373                 test_disk(fs, &bb_list);
3374         handle_bad_blocks(fs, bb_list);
3375
3376         fs->stride = fs_stride = fs->super->s_raid_stride;
3377         if (!quiet)
3378                 printf("%s", _("Allocating group tables: "));
3379         if (ext2fs_has_feature_flex_bg(fs->super) &&
3380             packed_meta_blocks)
3381                 retval = packed_allocate_tables(fs);
3382         else
3383                 retval = ext2fs_allocate_tables(fs);
3384         if (retval) {
3385                 com_err(program_name, retval, "%s",
3386                         _("while trying to allocate filesystem tables"));
3387                 exit(1);
3388         }
3389         if (!quiet)
3390                 printf("%s", _("done                            \n"));
3391
3392         /*
3393          * Unmark bad blocks to calculate overhead, because metadata
3394          * blocks and bad blocks can land on the same allocation cluster.
3395          */
3396         if (bb_list) {
3397                 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3398                                                              &bb_iter);
3399                 if (retval) {
3400                         com_err("ext2fs_badblocks_list_iterate_begin", retval,
3401                                 "%s", _("while unmarking bad blocks"));
3402                         exit(1);
3403                 }
3404                 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3405                         ext2fs_unmark_block_bitmap2(fs->block_map, blk);
3406                 ext2fs_badblocks_list_iterate_end(bb_iter);
3407         }
3408
3409         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3410         if (retval) {
3411                 com_err(program_name, retval, "%s",
3412                         _("\n\twhile converting subcluster bitmap"));
3413                 exit(1);
3414         }
3415
3416         retval = ext2fs_count_used_clusters(fs, fs->super->s_first_data_block,
3417                                         ext2fs_blocks_count(fs->super) - 1,
3418                                         &overhead);
3419         if (retval) {
3420                 com_err(program_name, retval, "%s",
3421                         _("while calculating overhead"));
3422                 exit(1);
3423         }
3424
3425         if (bb_list) {
3426                 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3427                                                              &bb_iter);
3428                 if (retval) {
3429                         com_err("ext2fs_badblocks_list_iterate_begin", retval,
3430                                 "%s", _("while marking bad blocks as used"));
3431                         exit(1);
3432                 }
3433                 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3434                         ext2fs_mark_block_bitmap2(fs->block_map, blk);
3435                 ext2fs_badblocks_list_iterate_end(bb_iter);
3436         }
3437
3438         if (super_only) {
3439                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3440                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3441                        device_name);
3442                 if (!force)
3443                         proceed_question(proceed_delay);
3444                 fs->super->s_state |= EXT2_ERROR_FS;
3445                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3446                 /*
3447                  * The command "mke2fs -S" is used to recover
3448                  * corrupted file systems, so do not mark any of the
3449                  * inodes as unused; we want e2fsck to consider all
3450                  * inodes as potentially containing recoverable data.
3451                  */
3452                 if (ext2fs_has_group_desc_csum(fs)) {
3453                         for (i = 0; i < fs->group_desc_count; i++)
3454                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3455                 }
3456         } else {
3457                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3458                 blk64_t rsv = 65536 / fs->blocksize;
3459                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3460                 blk64_t start;
3461                 blk64_t ret_blk;
3462
3463 #ifdef ZAP_BOOTBLOCK
3464                 zap_sector(fs, 0, 2);
3465 #endif
3466
3467                 /*
3468                  * Wipe out any old MD RAID (or other) metadata at the end
3469                  * of the device.  This will also verify that the device is
3470                  * as large as we think.  Be careful with very small devices.
3471                  */
3472                 start = (blocks & ~(rsv - 1));
3473                 if (start > rsv)
3474                         start -= rsv;
3475                 if (start > 0)
3476                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3477                                                     &ret_blk, NULL);
3478
3479                 if (retval) {
3480                         com_err(program_name, retval,
3481                                 _("while zeroing block %llu at end of filesystem"),
3482                                 (unsigned long long) ret_blk);
3483                 }
3484                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3485                 create_root_dir(fs);
3486                 create_lost_and_found(fs);
3487                 reserve_inodes(fs);
3488                 create_bad_block_inode(fs, bb_list);
3489                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3490                         retval = ext2fs_create_resize_inode(fs);
3491                         if (retval) {
3492                                 com_err("ext2fs_create_resize_inode", retval,
3493                                         "%s",
3494                                 _("while reserving blocks for online resize"));
3495                                 exit(1);
3496                         }
3497                 }
3498         }
3499
3500         if (journal_device) {
3501                 ext2_filsys     jfs;
3502
3503                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3504                                         NULL) && !force)
3505                         proceed_question(proceed_delay);
3506                 check_mount(journal_device, force, _("journal"));
3507
3508                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3509                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3510                                      fs->blocksize, default_io_manager, &jfs);
3511                 if (retval) {
3512                         com_err(program_name, retval,
3513                                 _("while trying to open journal device %s\n"),
3514                                 journal_device);
3515                         exit(1);
3516                 }
3517                 if (!quiet) {
3518                         printf(_("Adding journal to device %s: "),
3519                                journal_device);
3520                         fflush(stdout);
3521                 }
3522                 retval = ext2fs_add_journal_device(fs, jfs);
3523                 if(retval) {
3524                         com_err (program_name, retval,
3525                                  _("\n\twhile trying to add journal to device %s"),
3526                                  journal_device);
3527                         exit(1);
3528                 }
3529                 if (!quiet)
3530                         printf("%s", _("done\n"));
3531                 ext2fs_close_free(&jfs);
3532                 free(journal_device);
3533         } else if ((journal_size) ||
3534                    ext2fs_has_feature_journal(&fs_param)) {
3535                 overhead += EXT2FS_NUM_B2C(fs, jparams.num_journal_blocks + jparams.num_fc_blocks);
3536                 if (super_only) {
3537                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3538                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3539                         goto no_journal;
3540                 }
3541
3542                 if (!jparams.num_journal_blocks) {
3543                         ext2fs_clear_feature_journal(fs->super);
3544                         ext2fs_clear_feature_orphan_file(fs->super);
3545                         ext2fs_clear_feature_journal(&fs_param);
3546                         ext2fs_clear_feature_orphan_file(&fs_param);
3547                         goto no_journal;
3548                 }
3549                 if (!quiet) {
3550                         printf(_("Creating journal (%u blocks): "),
3551                                jparams.num_journal_blocks + jparams.num_fc_blocks);
3552                         fflush(stdout);
3553                 }
3554                 retval = ext2fs_add_journal_inode3(fs, &jparams,
3555                                                    journal_location,
3556                                                    journal_flags);
3557                 if (retval) {
3558                         com_err(program_name, retval, "%s",
3559                                 _("\n\twhile trying to create journal"));
3560                         exit(1);
3561                 }
3562                 if (!quiet)
3563                         printf("%s", _("done\n"));
3564         }
3565 no_journal:
3566         if (!super_only &&
3567             ext2fs_has_feature_mmp(fs->super)) {
3568                 retval = ext2fs_mmp_init(fs);
3569                 if (retval) {
3570                         fprintf(stderr, "%s",
3571                                 _("\nError while enabling multiple "
3572                                   "mount protection feature."));
3573                         exit(1);
3574                 }
3575                 if (!quiet)
3576                         printf(_("Multiple mount protection is enabled "
3577                                  "with update interval %d seconds.\n"),
3578                                fs->super->s_mmp_update_interval);
3579         }
3580
3581         overhead += EXT2FS_NUM_B2C(fs, fs->super->s_first_data_block);
3582         if (!super_only)
3583                 fs->super->s_overhead_clusters = overhead;
3584
3585         if (ext2fs_has_feature_bigalloc(&fs_param))
3586                 fix_cluster_bg_counts(fs);
3587         if (ext2fs_has_feature_quota(&fs_param))
3588                 create_quota_inodes(fs);
3589         if (ext2fs_has_feature_orphan_file(&fs_param)) {
3590                 if (!ext2fs_has_feature_journal(&fs_param)) {
3591                         com_err(program_name, 0, _("cannot set orphan_file "
3592                                 "feature without a journal."));
3593                         exit(1);
3594                 }
3595                 if (!orphan_file_blocks) {
3596                         orphan_file_blocks =
3597                                 ext2fs_default_orphan_file_blocks(fs);
3598                 }
3599                 retval = ext2fs_create_orphan_file(fs, orphan_file_blocks);
3600                 if (retval) {
3601                         com_err(program_name, retval,
3602                                 _("while creating orphan file"));
3603                         exit(1);
3604                 }
3605         }
3606
3607         retval = mk_hugefiles(fs, device_name);
3608         if (retval)
3609                 com_err(program_name, retval, "while creating huge files");
3610         /* Copy files from the specified directory or tarball */
3611         if (src_root) {
3612                 if (!quiet)
3613                         printf("%s", _("Copying files into the device: "));
3614
3615                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root,
3616                                      EXT2_ROOT_INO);
3617                 if (retval) {
3618                         com_err(program_name, retval, "%s",
3619                                 _("while populating file system"));
3620                         exit(1);
3621                 } else if (!quiet)
3622                         printf("%s", _("done\n"));
3623         }
3624
3625         if (!quiet)
3626                 printf("%s", _("Writing superblocks and "
3627                        "filesystem accounting information: "));
3628         checkinterval = fs->super->s_checkinterval;
3629         max_mnt_count = fs->super->s_max_mnt_count;
3630         retval = ext2fs_close_free(&fs);
3631         if (retval) {
3632                 com_err(program_name, retval, "%s",
3633                         _("while writing out and closing file system"));
3634                 retval = 1;
3635         } else if (!quiet) {
3636                 printf("%s", _("done\n\n"));
3637                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3638                         print_check_message(max_mnt_count, checkinterval);
3639         }
3640
3641         remove_error_table(&et_ext2_error_table);
3642         remove_error_table(&et_prof_error_table);
3643         profile_release(profile);
3644         for (i=0; fs_types[i]; i++)
3645                 free(fs_types[i]);
3646         free(fs_types);
3647         return retval;
3648 }