misc/mke2fs.c

   1 /*
   2  * mke2fs.c - Make a ext2fs filesystem.
   3  *
   4  * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   5  *      2003, 2004, 2005 by Theodore Ts'o.
   6  *
   7  * %Begin-Header%
   8  * This file may be redistributed under the terms of the GNU Public
   9  * License.
  10  * %End-Header%
  11  */
  12
  13 /* Usage: mke2fs [options] device
  14  *
  15  * The device may be a block device or a image of one, but this isn't
  16  * enforced (but it's not much fun on a character device :-).
  17  */
  18
  19 #define _XOPEN_SOURCE 600
  20
  21 #include "config.h"
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <strings.h>
  25 #include <ctype.h>
  26 #include <time.h>
  27 #ifdef __linux__
  28 #include <sys/utsname.h>
  29 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
  30 #endif
  31 #ifdef HAVE_GETOPT_H
  32 #include <getopt.h>
  33 #else
  34 extern char *optarg;
  35 extern int optind;
  36 #endif
  37 #ifdef HAVE_UNISTD_H
  38 #include <unistd.h>
  39 #endif
  40 #ifdef HAVE_STDLIB_H
  41 #include <stdlib.h>
  42 #endif
  43 #ifdef HAVE_ERRNO_H
  44 #include <errno.h>
  45 #endif
  46 #ifdef HAVE_SYS_IOCTL_H
  47 #include <sys/ioctl.h>
  48 #endif
  49 #include <libgen.h>
  50 #include <limits.h>
  51 #include <blkid/blkid.h>
  52
  53 #include "ext2fs/ext2_fs.h"
  54 #include "ext2fs/ext2fsP.h"
  55 #include "uuid/uuid.h"
  56 #include "util.h"
  57 #include "support/nls-enable.h"
  58 #include "support/plausible.h"
  59 #include "support/profile.h"
  60 #include "support/prof_err.h"
  61 #include "../version.h"
  62 #include "support/quotaio.h"
  63 #include "mke2fs.h"
  64 #include "create_inode.h"
  65
  66 #define STRIDE_LENGTH 8
  67
  68 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
  69
  70 #ifndef __sparc__
  71 #define ZAP_BOOTBLOCK
  72 #endif
  73
  74 #define DISCARD_STEP_MB         (2048)
  75
  76 extern int isatty(int);
  77 extern FILE *fpopen(const char *cmd, const char *mode);
  78
  79 const char * program_name = "mke2fs";
  80 static const char * device_name /* = NULL */;
  81
  82 /* Command line options */
  83 static int      cflag;
  84 int     verbose;
  85 int     quiet;
  86 static int      super_only;
  87 static int      discard = 1;    /* attempt to discard device before fs creation */
  88 static int      direct_io;
  89 static int      force;
  90 static int      noaction;
  91 static int      num_backups = 2; /* number of backup bg's for sparse_super2 */
  92 static uid_t    root_uid;
  93 static gid_t    root_gid;
  94 int     journal_size;
  95 int     journal_flags;
  96 int     journal_fc_size;
  97 static int      lazy_itable_init;
  98 static int      packed_meta_blocks;
  99 int             no_copy_xattrs;
 100 static char     *bad_blocks_filename = NULL;
 101 static __u32    fs_stride;
 102 /* Initialize usr/grp quotas by default */
 103 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
 104 static __u64    offset;
 105 static blk64_t journal_location = ~0LL;
 106 static int      proceed_delay = -1;
 107 static blk64_t  dev_size;
 108
 109 static struct ext2_super_block fs_param;
 110 static __u32 zero_buf[4];
 111 static char *fs_uuid = NULL;
 112 static char *creator_os;
 113 static char *volume_label;
 114 static char *mount_dir;
 115 char *journal_device;
 116 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 117 char **fs_types;
 118 const char *src_root_dir;  /* Copy files from the specified directory */
 119 static char *undo_file;
 120
 121 static int android_sparse_file; /* -E android_sparse */
 122
 123 static profile_t        profile;
 124
 125 static int sys_page_size = 4096;
 126
 127 static int errors_behavior = 0;
 128
 129 static void usage(void)
 130 {
 131         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 132         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 133         "[-J journal-options]\n"
 134         "\t[-G flex-group-size] [-N number-of-inodes] "
 135         "[-d root-directory]\n"
 136         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 137         "\t[-g blocks-per-group] [-L volume-label] "
 138         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 139         "[-r fs-revision] [-E extended-option[,...]]\n"
 140         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 141         "[-z undo_file]\n"
 142         "\t[-jnqvDFSV] device [blocks-count]\n"),
 143                 program_name);
 144         exit(1);
 145 }
 146
 147 static int int_log2(unsigned long long arg)
 148 {
 149         int     l = 0;
 150
 151         arg >>= 1;
 152         while (arg) {
 153                 l++;
 154                 arg >>= 1;
 155         }
 156         return l;
 157 }
 158
 159 int int_log10(unsigned long long arg)
 160 {
 161         int     l;
 162
 163         for (l=0; arg ; l++)
 164                 arg = arg / 10;
 165         return l;
 166 }
 167
 168 #ifdef __linux__
 169 static int parse_version_number(const char *s)
 170 {
 171         int     major, minor, rev;
 172         char    *endptr;
 173         const char *cp = s;
 174
 175         if (!s)
 176                 return 0;
 177         major = strtol(cp, &endptr, 10);
 178         if (cp == endptr || *endptr != '.')
 179                 return 0;
 180         cp = endptr + 1;
 181         minor = strtol(cp, &endptr, 10);
 182         if (cp == endptr || *endptr != '.')
 183                 return 0;
 184         cp = endptr + 1;
 185         rev = strtol(cp, &endptr, 10);
 186         if (cp == endptr)
 187                 return 0;
 188         return KERNEL_VERSION(major, minor, rev);
 189 }
 190
 191 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 192                                unsigned int rev)
 193 {
 194         struct          utsname ut;
 195         static int      linux_version_code = -1;
 196
 197         if (uname(&ut)) {
 198                 perror("uname");
 199                 exit(1);
 200         }
 201         if (linux_version_code < 0)
 202                 linux_version_code = parse_version_number(ut.release);
 203         if (linux_version_code == 0)
 204                 return 0;
 205
 206         return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
 207 }
 208 #else
 209 static int is_before_linux_ver(unsigned int major, unsigned int minor,
 210                                unsigned int rev)
 211 {
 212         return 0;
 213 }
 214 #endif
 215
 216 /*
 217  * Helper function for read_bb_file and test_disk
 218  */
 219 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 220 {
 221         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 222         return;
 223 }
 224
 225 /*
 226  * Reads the bad blocks list from a file
 227  */
 228 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 229                          const char *bad_blocks_file)
 230 {
 231         FILE            *f;
 232         errcode_t       retval;
 233
 234         f = fopen(bad_blocks_file, "r");
 235         if (!f) {
 236                 com_err("read_bad_blocks_file", errno,
 237                         _("while trying to open %s"), bad_blocks_file);
 238                 exit(1);
 239         }
 240         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 241         fclose (f);
 242         if (retval) {
 243                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 244                         _("while reading in list of bad blocks from file"));
 245                 exit(1);
 246         }
 247 }
 248
 249 /*
 250  * Runs the badblocks program to test the disk
 251  */
 252 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 253 {
 254         FILE            *f;
 255         errcode_t       retval;
 256         char            buf[1024];
 257
 258         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 259                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 260                 fs->device_name,
 261                 (unsigned long long) ext2fs_blocks_count(fs->super)-1);
 262         if (verbose)
 263                 printf(_("Running command: %s\n"), buf);
 264         f = popen(buf, "r");
 265         if (!f) {
 266                 com_err("popen", errno,
 267                         _("while trying to run '%s'"), buf);
 268                 exit(1);
 269         }
 270         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 271         pclose(f);
 272         if (retval) {
 273                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 274                         _("while processing list of bad blocks from program"));
 275                 exit(1);
 276         }
 277 }
 278
 279 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 280 {
 281         dgrp_t                  i;
 282         blk_t                   j;
 283         unsigned                must_be_good;
 284         blk_t                   blk;
 285         badblocks_iterate       bb_iter;
 286         errcode_t               retval;
 287         blk_t                   group_block;
 288         int                     group;
 289         int                     group_bad;
 290
 291         if (!bb_list)
 292                 return;
 293
 294         /*
 295          * The primary superblock and group descriptors *must* be
 296          * good; if not, abort.
 297          */
 298         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 299         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 300                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 301                         fprintf(stderr, _("Block %d in primary "
 302                                 "superblock/group descriptor area bad.\n"), i);
 303                         fprintf(stderr, _("Blocks %u through %u must be good "
 304                                 "in order to build a filesystem.\n"),
 305                                 fs->super->s_first_data_block, must_be_good);
 306                         fputs(_("Aborting....\n"), stderr);
 307                         exit(1);
 308                 }
 309         }
 310
 311         /*
 312          * See if any of the bad blocks are showing up in the backup
 313          * superblocks and/or group descriptors.  If so, issue a
 314          * warning and adjust the block counts appropriately.
 315          */
 316         group_block = fs->super->s_first_data_block +
 317                 fs->super->s_blocks_per_group;
 318
 319         for (i = 1; i < fs->group_desc_count; i++) {
 320                 group_bad = 0;
 321                 for (j=0; j < fs->desc_blocks+1; j++) {
 322                         if (ext2fs_badblocks_list_test(bb_list,
 323                                                        group_block + j)) {
 324                                 if (!group_bad)
 325                                         fprintf(stderr,
 326 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 327 "       bad blocks.\n\n"),
 328                                                 group_block);
 329                                 group_bad++;
 330                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 331                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 332                                 ext2fs_group_desc_csum_set(fs, group);
 333                                 ext2fs_free_blocks_count_add(fs->super, 1);
 334                         }
 335                 }
 336                 group_block += fs->super->s_blocks_per_group;
 337         }
 338
 339         /*
 340          * Mark all the bad blocks as used...
 341          */
 342         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 343         if (retval) {
 344                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 345                         _("while marking bad blocks as used"));
 346                 exit(1);
 347         }
 348         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 349                 ext2fs_mark_block_bitmap2(fs->block_map, blk);
 350         ext2fs_badblocks_list_iterate_end(bb_iter);
 351 }
 352
 353 static void write_reserved_inodes(ext2_filsys fs)
 354 {
 355         errcode_t       retval;
 356         ext2_ino_t      ino;
 357         struct ext2_inode *inode;
 358
 359         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 360         if (retval) {
 361                 com_err("inode_init", retval, _("while allocating memory"));
 362                 exit(1);
 363         }
 364
 365         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
 366                 retval = ext2fs_write_inode_full(fs, ino, inode,
 367                                                  EXT2_INODE_SIZE(fs->super));
 368                 if (retval) {
 369                         com_err("ext2fs_write_inode_full", retval,
 370                                 _("while writing reserved inodes"));
 371                         exit(1);
 372                 }
 373         }
 374
 375         ext2fs_free_mem(&inode);
 376 }
 377
 378 static errcode_t packed_allocate_tables(ext2_filsys fs)
 379 {
 380         errcode_t       retval;
 381         dgrp_t          i;
 382         blk64_t         goal = 0;
 383
 384         for (i = 0; i < fs->group_desc_count; i++) {
 385                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 386                 if (retval)
 387                         return retval;
 388                 ext2fs_block_alloc_stats2(fs, goal, +1);
 389                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 390         }
 391         for (i = 0; i < fs->group_desc_count; i++) {
 392                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 393                 if (retval)
 394                         return retval;
 395                 ext2fs_block_alloc_stats2(fs, goal, +1);
 396                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 397         }
 398         for (i = 0; i < fs->group_desc_count; i++) {
 399                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 400                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 401                                                  fs->inode_blocks_per_group,
 402                                                  fs->block_map, &goal);
 403                 if (retval)
 404                         return retval;
 405                 ext2fs_block_alloc_stats_range(fs, goal,
 406                                                fs->inode_blocks_per_group, +1);
 407                 ext2fs_inode_table_loc_set(fs, i, goal);
 408                 ext2fs_group_desc_csum_set(fs, i);
 409         }
 410         return 0;
 411 }
 412
 413 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 414 {
 415         errcode_t       retval;
 416         blk64_t         blk;
 417         dgrp_t          i;
 418         int             num;
 419         struct ext2fs_numeric_progress_struct progress;
 420
 421         ext2fs_numeric_progress_init(fs, &progress,
 422                                      _("Writing inode tables: "),
 423                                      fs->group_desc_count);
 424
 425         for (i = 0; i < fs->group_desc_count; i++) {
 426                 ext2fs_numeric_progress_update(fs, &progress, i);
 427
 428                 blk = ext2fs_inode_table_loc(fs, i);
 429                 num = fs->inode_blocks_per_group;
 430
 431                 if (lazy_flag)
 432                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 433                                                ext2fs_bg_itable_unused(fs, i)) *
 434                                               EXT2_INODE_SIZE(fs->super),
 435                                               EXT2_BLOCK_SIZE(fs->super));
 436                 if (!lazy_flag || itable_zeroed) {
 437                         /* The kernel doesn't need to zero the itable blocks */
 438                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 439                         ext2fs_group_desc_csum_set(fs, i);
 440                 }
 441                 if (!itable_zeroed) {
 442                         retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
 443                         if (retval) {
 444                                 fprintf(stderr, _("\nCould not write %d "
 445                                           "blocks in inode table starting at %llu: %s\n"),
 446                                         num, (unsigned long long) blk,
 447                                         error_message(retval));
 448                                 exit(1);
 449                         }
 450                 }
 451                 if (sync_kludge) {
 452                         if (sync_kludge == 1)
 453                                 io_channel_flush(fs->io);
 454                         else if ((i % sync_kludge) == 0)
 455                                 io_channel_flush(fs->io);
 456                 }
 457         }
 458         ext2fs_numeric_progress_close(fs, &progress,
 459                                       _("done                            \n"));
 460
 461         /* Reserved inodes must always have correct checksums */
 462         if (ext2fs_has_feature_metadata_csum(fs->super))
 463                 write_reserved_inodes(fs);
 464 }
 465
 466 static void create_root_dir(ext2_filsys fs)
 467 {
 468         errcode_t               retval;
 469         struct ext2_inode       inode;
 470
 471         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 472         if (retval) {
 473                 com_err("ext2fs_mkdir", retval, "%s",
 474                         _("while creating root dir"));
 475                 exit(1);
 476         }
 477         if (root_uid != 0 || root_gid != 0) {
 478                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 479                 if (retval) {
 480                         com_err("ext2fs_read_inode", retval, "%s",
 481                                 _("while reading root inode"));
 482                         exit(1);
 483                 }
 484
 485                 inode.i_uid = root_uid;
 486                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 487                 inode.i_gid = root_gid;
 488                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 489
 490                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 491                 if (retval) {
 492                         com_err("ext2fs_write_inode", retval, "%s",
 493                                 _("while setting root inode ownership"));
 494                         exit(1);
 495                 }
 496         }
 497 }
 498
 499 static void create_lost_and_found(ext2_filsys fs)
 500 {
 501         unsigned int            lpf_size = 0;
 502         errcode_t               retval;
 503         ext2_ino_t              ino;
 504         const char              *name = "lost+found";
 505         int                     i;
 506
 507         fs->umask = 077;
 508         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 509         if (retval) {
 510                 com_err("ext2fs_mkdir", retval, "%s",
 511                         _("while creating /lost+found"));
 512                 exit(1);
 513         }
 514
 515         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 516         if (retval) {
 517                 com_err("ext2_lookup", retval, "%s",
 518                         _("while looking up /lost+found"));
 519                 exit(1);
 520         }
 521
 522         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 523                 /* Ensure that lost+found is at least 2 blocks, so we always
 524                  * test large empty blocks for big-block filesystems.  */
 525                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 526                     lpf_size >= 2 * fs->blocksize)
 527                         break;
 528                 retval = ext2fs_expand_dir(fs, ino);
 529                 if (retval) {
 530                         com_err("ext2fs_expand_dir", retval, "%s",
 531                                 _("while expanding /lost+found"));
 532                         exit(1);
 533                 }
 534         }
 535 }
 536
 537 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 538 {
 539         errcode_t       retval;
 540
 541         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 542         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 543         retval = ext2fs_update_bb_inode(fs, bb_list);
 544         if (retval) {
 545                 com_err("ext2fs_update_bb_inode", retval, "%s",
 546                         _("while setting bad block inode"));
 547                 exit(1);
 548         }
 549
 550 }
 551
 552 static void reserve_inodes(ext2_filsys fs)
 553 {
 554         ext2_ino_t      i;
 555
 556         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 557                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 558         ext2fs_mark_ib_dirty(fs);
 559 }
 560
 561 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 562 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 563 #define BSD_LABEL_OFFSET        64
 564
 565 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 566 {
 567         char *buf;
 568         int retval;
 569         unsigned int *magic;
 570
 571         buf = calloc(512, nsect);
 572         if (!buf) {
 573                 printf(_("Out of memory erasing sectors %d-%d\n"),
 574                        sect, sect + nsect - 1);
 575                 exit(1);
 576         }
 577
 578         if (sect == 0) {
 579                 /* Check for a BSD disklabel, and don't erase it if so */
 580                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 581                 if (retval)
 582                         fprintf(stderr,
 583                                 _("Warning: could not read block 0: %s\n"),
 584                                 error_message(retval));
 585                 else {
 586                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 587                         if ((*magic == BSD_DISKMAGIC) ||
 588                             (*magic == BSD_MAGICDISK))
 589                                 return;
 590                 }
 591         }
 592
 593         memset(buf, 0, 512*nsect);
 594         io_channel_set_blksize(fs->io, 512);
 595         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 596         io_channel_set_blksize(fs->io, fs->blocksize);
 597         free(buf);
 598         if (retval)
 599                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 600                         sect, error_message(retval));
 601 }
 602
 603 static void create_journal_dev(ext2_filsys fs)
 604 {
 605         struct ext2fs_numeric_progress_struct progress;
 606         errcode_t               retval;
 607         char                    *buf;
 608         blk64_t                 blk, err_blk;
 609         int                     c, count, err_count;
 610         struct ext2fs_journal_params    jparams;
 611
 612         retval = ext2fs_get_journal_params(&jparams, fs);
 613         if (retval) {
 614                 com_err("create_journal_dev", retval, "%s",
 615                         _("while splitting the journal size"));
 616                 exit(1);
 617         }
 618
 619         retval = ext2fs_create_journal_superblock2(fs, &jparams, 0, &buf);
 620         if (retval) {
 621                 com_err("create_journal_dev", retval, "%s",
 622                         _("while initializing journal superblock"));
 623                 exit(1);
 624         }
 625
 626         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 627                 goto write_superblock;
 628
 629         ext2fs_numeric_progress_init(fs, &progress,
 630                                      _("Zeroing journal device: "),
 631                                      ext2fs_blocks_count(fs->super));
 632         blk = 0;
 633         count = ext2fs_blocks_count(fs->super);
 634         while (count > 0) {
 635                 if (count > 1024)
 636                         c = 1024;
 637                 else
 638                         c = count;
 639                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 640                 if (retval) {
 641                         com_err("create_journal_dev", retval,
 642                                 _("while zeroing journal device "
 643                                   "(block %llu, count %d)"),
 644                                 (unsigned long long) err_blk, err_count);
 645                         exit(1);
 646                 }
 647                 blk += c;
 648                 count -= c;
 649                 ext2fs_numeric_progress_update(fs, &progress, blk);
 650         }
 651
 652         ext2fs_numeric_progress_close(fs, &progress, NULL);
 653 write_superblock:
 654         retval = io_channel_write_blk64(fs->io,
 655                                         fs->super->s_first_data_block+1,
 656                                         1, buf);
 657         (void) ext2fs_free_mem(&buf);
 658         if (retval) {
 659                 com_err("create_journal_dev", retval, "%s",
 660                         _("while writing journal superblock"));
 661                 exit(1);
 662         }
 663 }
 664
 665 static void show_stats(ext2_filsys fs)
 666 {
 667         struct ext2_super_block *s = fs->super;
 668         char                    *os;
 669         blk64_t                 group_block;
 670         dgrp_t                  i;
 671         int                     need, col_left;
 672
 673         if (!verbose) {
 674                 printf(_("Creating filesystem with %llu %dk blocks and "
 675                          "%u inodes\n"),
 676                        (unsigned long long) ext2fs_blocks_count(s),
 677                        fs->blocksize >> 10, s->s_inodes_count);
 678                 goto skip_details;
 679         }
 680
 681         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 682                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 683                         (unsigned long long) (ext2fs_blocks_count(&fs_param) -
 684                                               ext2fs_blocks_count(s)));
 685
 686         printf(_("Filesystem label=%.*s\n"), EXT2_LEN_STR(s->s_volume_name));
 687
 688         os = e2p_os2string(fs->super->s_creator_os);
 689         if (os)
 690                 printf(_("OS type: %s\n"), os);
 691         free(os);
 692         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 693                 s->s_log_block_size);
 694         if (ext2fs_has_feature_bigalloc(fs->super))
 695                 printf(_("Cluster size=%u (log=%u)\n"),
 696                        fs->blocksize << fs->cluster_ratio_bits,
 697                        s->s_log_cluster_size);
 698         else
 699                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 700                        s->s_log_cluster_size);
 701         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 702                s->s_raid_stride, s->s_raid_stripe_width);
 703         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 704                (unsigned long long) ext2fs_blocks_count(s));
 705         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 706                (unsigned long long) ext2fs_r_blocks_count(s),
 707                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 708         printf(_("First data block=%u\n"), s->s_first_data_block);
 709         if (root_uid != 0 || root_gid != 0)
 710                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 711         if (s->s_reserved_gdt_blocks)
 712                 printf(_("Maximum filesystem blocks=%lu\n"),
 713                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 714                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 715         if (fs->group_desc_count > 1)
 716                 printf(_("%u block groups\n"), fs->group_desc_count);
 717         else
 718                 printf(_("%u block group\n"), fs->group_desc_count);
 719         if (ext2fs_has_feature_bigalloc(fs->super))
 720                 printf(_("%u blocks per group, %u clusters per group\n"),
 721                        s->s_blocks_per_group, s->s_clusters_per_group);
 722         else
 723                 printf(_("%u blocks per group, %u fragments per group\n"),
 724                        s->s_blocks_per_group, s->s_clusters_per_group);
 725         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 726
 727 skip_details:
 728         if (fs->group_desc_count == 1) {
 729                 printf("\n");
 730                 return;
 731         }
 732
 733         if (!e2p_is_null_uuid(s->s_uuid))
 734                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 735         printf("%s", _("Superblock backups stored on blocks: "));
 736         group_block = s->s_first_data_block;
 737         col_left = 0;
 738         for (i = 1; i < fs->group_desc_count; i++) {
 739                 group_block += s->s_blocks_per_group;
 740                 if (!ext2fs_bg_has_super(fs, i))
 741                         continue;
 742                 if (i != 1)
 743                         printf(", ");
 744                 need = int_log10(group_block) + 2;
 745                 if (need > col_left) {
 746                         printf("\n\t");
 747                         col_left = 72;
 748                 }
 749                 col_left -= need;
 750                 printf("%llu", (unsigned long long) group_block);
 751         }
 752         printf("\n\n");
 753 }
 754
 755 /*
 756  * Returns true if making a file system for the Hurd, else 0
 757  */
 758 static int for_hurd(const char *os)
 759 {
 760         if (!os) {
 761 #ifdef __GNU__
 762                 return 1;
 763 #else
 764                 return 0;
 765 #endif
 766         }
 767         if (isdigit(*os))
 768                 return (atoi(os) == EXT2_OS_HURD);
 769         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 770 }
 771
 772 /*
 773  * Set the S_CREATOR_OS field.  Return true if OS is known,
 774  * otherwise, 0.
 775  */
 776 static int set_os(struct ext2_super_block *sb, char *os)
 777 {
 778         if (isdigit (*os))
 779                 sb->s_creator_os = atoi (os);
 780         else if (strcasecmp(os, "linux") == 0)
 781                 sb->s_creator_os = EXT2_OS_LINUX;
 782         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 783                 sb->s_creator_os = EXT2_OS_HURD;
 784         else if (strcasecmp(os, "freebsd") == 0)
 785                 sb->s_creator_os = EXT2_OS_FREEBSD;
 786         else if (strcasecmp(os, "lites") == 0)
 787                 sb->s_creator_os = EXT2_OS_LITES;
 788         else
 789                 return 0;
 790         return 1;
 791 }
 792
 793 #define PATH_SET "PATH=/sbin"
 794
 795 static void parse_extended_opts(struct ext2_super_block *param,
 796                                 const char *opts)
 797 {
 798         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 799         int     len;
 800         int     r_usage = 0;
 801         int     ret;
 802         int     encoding = -1;
 803         char    *encoding_flags = NULL;
 804
 805         len = strlen(opts);
 806         buf = malloc(len+1);
 807         if (!buf) {
 808                 fprintf(stderr, "%s",
 809                         _("Couldn't allocate memory to parse options!\n"));
 810                 exit(1);
 811         }
 812         strcpy(buf, opts);
 813         for (token = buf; token && *token; token = next) {
 814                 p = strchr(token, ',');
 815                 next = 0;
 816                 if (p) {
 817                         *p = 0;
 818                         next = p+1;
 819                 }
 820                 arg = strchr(token, '=');
 821                 if (arg) {
 822                         *arg = 0;
 823                         arg++;
 824                 }
 825                 if (strcmp(token, "desc-size") == 0 ||
 826                     strcmp(token, "desc_size") == 0) {
 827                         int desc_size;
 828
 829                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 830                                 fprintf(stderr,
 831                                         _("%s requires '-O 64bit'\n"), token);
 832                                 r_usage++;
 833                                 continue;
 834                         }
 835                         if (param->s_reserved_gdt_blocks != 0) {
 836                                 fprintf(stderr,
 837                                         _("'%s' must be before 'resize=%u'\n"),
 838                                         token, param->s_reserved_gdt_blocks);
 839                                 r_usage++;
 840                                 continue;
 841                         }
 842                         if (!arg) {
 843                                 r_usage++;
 844                                 badopt = token;
 845                                 continue;
 846                         }
 847                         desc_size = strtoul(arg, &p, 0);
 848                         if (*p || (desc_size & (desc_size - 1))) {
 849                                 fprintf(stderr,
 850                                         _("Invalid desc_size: '%s'\n"), arg);
 851                                 r_usage++;
 852                                 continue;
 853                         }
 854                         param->s_desc_size = desc_size;
 855                 } else if (strcmp(token, "hash_seed") == 0) {
 856                         if (!arg) {
 857                                 r_usage++;
 858                                 badopt = token;
 859                                 continue;
 860                         }
 861                         if (uuid_parse(arg,
 862                                 (unsigned char *)param->s_hash_seed) != 0) {
 863                                 fprintf(stderr,
 864                                         _("Invalid hash seed: %s\n"), arg);
 865                                 r_usage++;
 866                                 continue;
 867                         }
 868                 } else if (strcmp(token, "offset") == 0) {
 869                         if (!arg) {
 870                                 r_usage++;
 871                                 badopt = token;
 872                                 continue;
 873                         }
 874                         offset = strtoull(arg, &p, 0);
 875                         if (*p) {
 876                                 fprintf(stderr, _("Invalid offset: %s\n"),
 877                                         arg);
 878                                 r_usage++;
 879                                 continue;
 880                         }
 881                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 882                         if (!arg) {
 883                                 r_usage++;
 884                                 badopt = token;
 885                                 continue;
 886                         }
 887                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 888                         if (*p) {
 889                                 fprintf(stderr,
 890                                         _("Invalid mmp_update_interval: %s\n"),
 891                                         arg);
 892                                 r_usage++;
 893                                 continue;
 894                         }
 895                 } else if (strcmp(token, "no_copy_xattrs") == 0) {
 896                         no_copy_xattrs = 1;
 897                         continue;
 898                 } else if (strcmp(token, "num_backup_sb") == 0) {
 899                         if (!arg) {
 900                                 r_usage++;
 901                                 badopt = token;
 902                                 continue;
 903                         }
 904                         num_backups = strtoul(arg, &p, 0);
 905                         if (*p || num_backups > 2) {
 906                                 fprintf(stderr,
 907                                         _("Invalid # of backup "
 908                                           "superblocks: %s\n"),
 909                                         arg);
 910                                 r_usage++;
 911                                 continue;
 912                         }
 913                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 914                         if (arg)
 915                                 packed_meta_blocks = strtoul(arg, &p, 0);
 916                         else
 917                                 packed_meta_blocks = 1;
 918                         if (packed_meta_blocks)
 919                                 journal_location = 0;
 920                 } else if (strcmp(token, "stride") == 0) {
 921                         if (!arg) {
 922                                 r_usage++;
 923                                 badopt = token;
 924                                 continue;
 925                         }
 926                         param->s_raid_stride = strtoul(arg, &p, 0);
 927                         if (*p) {
 928                                 fprintf(stderr,
 929                                         _("Invalid stride parameter: %s\n"),
 930                                         arg);
 931                                 r_usage++;
 932                                 continue;
 933                         }
 934                 } else if (strcmp(token, "stripe-width") == 0 ||
 935                            strcmp(token, "stripe_width") == 0) {
 936                         if (!arg) {
 937                                 r_usage++;
 938                                 badopt = token;
 939                                 continue;
 940                         }
 941                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 942                         if (*p) {
 943                                 fprintf(stderr,
 944                                         _("Invalid stripe-width parameter: %s\n"),
 945                                         arg);
 946                                 r_usage++;
 947                                 continue;
 948                         }
 949                 } else if (!strcmp(token, "resize")) {
 950                         blk64_t resize;
 951                         unsigned long bpg, rsv_groups;
 952                         unsigned long group_desc_count, desc_blocks;
 953                         unsigned int gdpb, blocksize;
 954                         int rsv_gdb;
 955
 956                         if (!arg) {
 957                                 r_usage++;
 958                                 badopt = token;
 959                                 continue;
 960                         }
 961
 962                         resize = parse_num_blocks2(arg,
 963                                                    param->s_log_block_size);
 964
 965                         if (resize == 0) {
 966                                 fprintf(stderr,
 967                                         _("Invalid resize parameter: %s\n"),
 968                                         arg);
 969                                 r_usage++;
 970                                 continue;
 971                         }
 972                         if (resize <= ext2fs_blocks_count(param)) {
 973                                 fprintf(stderr, "%s",
 974                                         _("The resize maximum must be greater "
 975                                           "than the filesystem size.\n"));
 976                                 r_usage++;
 977                                 continue;
 978                         }
 979
 980                         blocksize = EXT2_BLOCK_SIZE(param);
 981                         bpg = param->s_blocks_per_group;
 982                         if (!bpg)
 983                                 bpg = blocksize * 8;
 984                         gdpb = EXT2_DESC_PER_BLOCK(param);
 985                         group_desc_count = (__u32) ext2fs_div64_ceil(
 986                                 ext2fs_blocks_count(param), bpg);
 987                         desc_blocks = (group_desc_count +
 988                                        gdpb - 1) / gdpb;
 989                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 990                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 991                                 desc_blocks;
 992                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 993                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 994
 995                         if (rsv_gdb > 0) {
 996                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 997                                         fprintf(stderr, "%s",
 998         _("On-line resizing not supported with revision 0 filesystems\n"));
 999                                         free(buf);
1000                                         exit(1);
1001                                 }
1002                                 ext2fs_set_feature_resize_inode(param);
1003
1004                                 param->s_reserved_gdt_blocks = rsv_gdb;
1005                         }
1006                 } else if (!strcmp(token, "test_fs")) {
1007                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
1008                 } else if (!strcmp(token, "lazy_itable_init")) {
1009                         if (arg)
1010                                 lazy_itable_init = strtoul(arg, &p, 0);
1011                         else
1012                                 lazy_itable_init = 1;
1013                 } else if (!strcmp(token, "lazy_journal_init")) {
1014                         if (arg)
1015                                 journal_flags |= strtoul(arg, &p, 0) ?
1016                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
1017                         else
1018                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
1019                 } else if (!strcmp(token, "root_owner")) {
1020                         if (arg) {
1021                                 root_uid = strtoul(arg, &p, 0);
1022                                 if (*p != ':') {
1023                                         fprintf(stderr,
1024                                                 _("Invalid root_owner: '%s'\n"),
1025                                                 arg);
1026                                         r_usage++;
1027                                         continue;
1028                                 }
1029                                 p++;
1030                                 root_gid = strtoul(p, &p, 0);
1031                                 if (*p) {
1032                                         fprintf(stderr,
1033                                                 _("Invalid root_owner: '%s'\n"),
1034                                                 arg);
1035                                         r_usage++;
1036                                         continue;
1037                                 }
1038                         } else {
1039                                 root_uid = getuid();
1040                                 root_gid = getgid();
1041                         }
1042                 } else if (!strcmp(token, "discard")) {
1043                         discard = 1;
1044                 } else if (!strcmp(token, "nodiscard")) {
1045                         discard = 0;
1046                 } else if (!strcmp(token, "quotatype")) {
1047                         char *errtok = NULL;
1048
1049                         if (!arg) {
1050                                 r_usage++;
1051                                 badopt = token;
1052                                 continue;
1053                         }
1054                         quotatype_bits = 0;
1055                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1056                         if (ret) {
1057                                 if (errtok) {
1058                                         fprintf(stderr,
1059                                 "Failed to parse quota type at %s", errtok);
1060                                         free(errtok);
1061                                 } else
1062                                         com_err(program_name, ret,
1063                                                 "while parsing quota type");
1064                                 r_usage++;
1065                                 badopt = token;
1066                                 continue;
1067                         }
1068                 } else if (!strcmp(token, "android_sparse")) {
1069                         android_sparse_file = 1;
1070                 } else if (!strcmp(token, "encoding")) {
1071                         if (!arg) {
1072                                 r_usage++;
1073                                 continue;
1074                         }
1075
1076                         encoding = e2p_str2encoding(arg);
1077                         if (encoding < 0) {
1078                                 fprintf(stderr, _("Invalid encoding: %s"), arg);
1079                                 r_usage++;
1080                                 continue;
1081                         }
1082                         param->s_encoding = encoding;
1083                         ext2fs_set_feature_casefold(param);
1084                 } else if (!strcmp(token, "encoding_flags")) {
1085                         if (!arg) {
1086                                 r_usage++;
1087                                 continue;
1088                         }
1089                         encoding_flags = arg;
1090                 } else {
1091                         r_usage++;
1092                         badopt = token;
1093                 }
1094         }
1095         if (r_usage) {
1096                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1097                         "Extended options are separated by commas, "
1098                         "and may take an argument which\n"
1099                         "\tis set off by an equals ('=') sign.\n\n"
1100                         "Valid extended options are:\n"
1101                         "\tmmp_update_interval=<interval>\n"
1102                         "\tnum_backup_sb=<0|1|2>\n"
1103                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1104                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1105                         "\toffset=<offset to create the file system>\n"
1106                         "\tresize=<resize maximum size in blocks>\n"
1107                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1108                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1109                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1110                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1111                         "\ttest_fs\n"
1112                         "\tdiscard\n"
1113                         "\tnodiscard\n"
1114                         "\tencoding=<encoding>\n"
1115                         "\tencoding_flags=<flags>\n"
1116                         "\tquotatype=<quota type(s) to be enabled>\n\n"),
1117                         badopt ? badopt : "");
1118                 free(buf);
1119                 exit(1);
1120         }
1121         if (param->s_raid_stride &&
1122             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1123                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1124                                   "multiple of stride %u.\n\n"),
1125                         param->s_raid_stripe_width, param->s_raid_stride);
1126
1127         if (ext2fs_has_feature_casefold(param)) {
1128                 param->s_encoding_flags =
1129                         e2p_get_encoding_flags(param->s_encoding);
1130
1131                 if (encoding_flags &&
1132                     e2p_str2encoding_flags(param->s_encoding, encoding_flags,
1133                                            &param->s_encoding_flags)) {
1134                         fprintf(stderr, _("error: Invalid encoding flag: %s\n"),
1135                                 encoding_flags);
1136                         free(buf);
1137                         exit(1);
1138                 }
1139         } else if (encoding_flags) {
1140                 fprintf(stderr, _("error: An encoding must be explicitly "
1141                                   "specified when passing encoding-flags\n"));
1142                 free(buf);
1143                 exit(1);
1144         }
1145
1146         free(buf);
1147 }
1148
1149 static __u32 ok_features[3] = {
1150         /* Compat */
1151         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1152                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1153                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1154                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1155                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2 |
1156                 EXT4_FEATURE_COMPAT_FAST_COMMIT |
1157                 EXT4_FEATURE_COMPAT_STABLE_INODES,
1158         /* Incompat */
1159         EXT2_FEATURE_INCOMPAT_FILETYPE|
1160                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1161                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1162                 EXT2_FEATURE_INCOMPAT_META_BG|
1163                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1164                 EXT4_FEATURE_INCOMPAT_EA_INODE|
1165                 EXT4_FEATURE_INCOMPAT_MMP |
1166                 EXT4_FEATURE_INCOMPAT_64BIT|
1167                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1168                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1169                 EXT4_FEATURE_INCOMPAT_CASEFOLD |
1170                 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1171                 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1172         /* R/O compat */
1173         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1174                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1175                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1176                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1177                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1178                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1179                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1180                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1181                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1182                 EXT4_FEATURE_RO_COMPAT_PROJECT|
1183                 EXT4_FEATURE_RO_COMPAT_VERITY
1184 };
1185
1186
1187 static void syntax_err_report(const char *filename, long err, int line_num)
1188 {
1189         fprintf(stderr,
1190                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1191                 filename, line_num, error_message(err));
1192         exit(1);
1193 }
1194
1195 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1196
1197 static void edit_feature(const char *str, __u32 *compat_array)
1198 {
1199         if (!str)
1200                 return;
1201
1202         if (e2p_edit_feature(str, compat_array, ok_features)) {
1203                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1204                         str);
1205                 exit(1);
1206         }
1207 }
1208
1209 static void edit_mntopts(const char *str, __u32 *mntopts)
1210 {
1211         if (!str)
1212                 return;
1213
1214         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1215                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1216                         str);
1217                 exit(1);
1218         }
1219 }
1220
1221 struct str_list {
1222         char **list;
1223         int num;
1224         int max;
1225 };
1226
1227 static errcode_t init_list(struct str_list *sl)
1228 {
1229         sl->num = 0;
1230         sl->max = 1;
1231         sl->list = malloc((sl->max+1) * sizeof(char *));
1232         if (!sl->list)
1233                 return ENOMEM;
1234         sl->list[0] = 0;
1235         return 0;
1236 }
1237
1238 static errcode_t push_string(struct str_list *sl, const char *str)
1239 {
1240         char **new_list;
1241
1242         if (sl->num >= sl->max) {
1243                 sl->max += 2;
1244                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1245                 if (!new_list)
1246                         return ENOMEM;
1247                 sl->list = new_list;
1248         }
1249         sl->list[sl->num] = malloc(strlen(str)+1);
1250         if (sl->list[sl->num] == 0)
1251                 return ENOMEM;
1252         strcpy(sl->list[sl->num], str);
1253         sl->num++;
1254         sl->list[sl->num] = 0;
1255         return 0;
1256 }
1257
1258 static void print_str_list(char **list)
1259 {
1260         char **cpp;
1261
1262         for (cpp = list; *cpp; cpp++) {
1263                 printf("'%s'", *cpp);
1264                 if (cpp[1])
1265                         fputs(", ", stdout);
1266         }
1267         fputc('\n', stdout);
1268 }
1269
1270 /*
1271  * Return TRUE if the profile has the given subsection
1272  */
1273 static int profile_has_subsection(profile_t prof, const char *section,
1274                                   const char *subsection)
1275 {
1276         void                    *state;
1277         const char              *names[4];
1278         char                    *name;
1279         int                     ret = 0;
1280
1281         names[0] = section;
1282         names[1] = subsection;
1283         names[2] = 0;
1284
1285         if (profile_iterator_create(prof, names,
1286                                     PROFILE_ITER_LIST_SECTION |
1287                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1288                 return 0;
1289
1290         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1291                 free(name);
1292                 ret = 1;
1293         }
1294
1295         profile_iterator_free(&state);
1296         return ret;
1297 }
1298
1299 static char **parse_fs_type(const char *fs_type,
1300                             const char *usage_types,
1301                             struct ext2_super_block *sb,
1302                             blk64_t fs_blocks_count,
1303                             char *progname)
1304 {
1305         const char      *ext_type = 0;
1306         char            *parse_str;
1307         char            *profile_type = 0;
1308         char            *cp, *t;
1309         const char      *size_type;
1310         struct str_list list;
1311         unsigned long long meg;
1312         int             is_hurd = for_hurd(creator_os);
1313
1314         if (init_list(&list))
1315                 return 0;
1316
1317         if (fs_type)
1318                 ext_type = fs_type;
1319         else if (is_hurd)
1320                 ext_type = "ext2";
1321         else if (!strcmp(program_name, "mke3fs"))
1322                 ext_type = "ext3";
1323         else if (!strcmp(program_name, "mke4fs"))
1324                 ext_type = "ext4";
1325         else if (progname) {
1326                 ext_type = strrchr(progname, '/');
1327                 if (ext_type)
1328                         ext_type++;
1329                 else
1330                         ext_type = progname;
1331
1332                 if (!strncmp(ext_type, "mkfs.", 5)) {
1333                         ext_type += 5;
1334                         if (ext_type[0] == 0)
1335                                 ext_type = 0;
1336                 } else
1337                         ext_type = 0;
1338         }
1339
1340         if (!ext_type) {
1341                 profile_get_string(profile, "defaults", "fs_type", 0,
1342                                    "ext2", &profile_type);
1343                 ext_type = profile_type;
1344                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1345                         ext_type = "ext3";
1346         }
1347
1348
1349         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1350             strcmp(ext_type, "ext2")) {
1351                 printf(_("\nYour mke2fs.conf file does not define the "
1352                          "%s filesystem type.\n"), ext_type);
1353                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1354                     !strcmp(ext_type, "ext4dev")) {
1355                         printf("%s", _("You probably need to install an "
1356                                        "updated mke2fs.conf file.\n\n"));
1357                 }
1358                 if (!force) {
1359                         printf("%s", _("Aborting...\n"));
1360                         exit(1);
1361                 }
1362         }
1363
1364         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1365         if (fs_blocks_count < 3 * meg)
1366                 size_type = "floppy";
1367         else if (fs_blocks_count < 512 * meg)
1368                 size_type = "small";
1369         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1370                 size_type = "default";
1371         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1372                 size_type = "big";
1373         else
1374                 size_type = "huge";
1375
1376         if (!usage_types)
1377                 usage_types = size_type;
1378
1379         parse_str = malloc(strlen(usage_types)+1);
1380         if (!parse_str) {
1381                 free(profile_type);
1382                 free(list.list);
1383                 return 0;
1384         }
1385         strcpy(parse_str, usage_types);
1386
1387         if (ext_type)
1388                 push_string(&list, ext_type);
1389         cp = parse_str;
1390         while (1) {
1391                 t = strchr(cp, ',');
1392                 if (t)
1393                         *t = '\0';
1394
1395                 if (*cp) {
1396                         if (profile_has_subsection(profile, "fs_types", cp))
1397                                 push_string(&list, cp);
1398                         else if (strcmp(cp, "default") != 0)
1399                                 fprintf(stderr,
1400                                         _("\nWarning: the fs_type %s is not "
1401                                           "defined in mke2fs.conf\n\n"),
1402                                         cp);
1403                 }
1404                 if (t)
1405                         cp = t+1;
1406                 else
1407                         break;
1408         }
1409         free(parse_str);
1410         free(profile_type);
1411         if (is_hurd)
1412                 push_string(&list, "hurd");
1413         return (list.list);
1414 }
1415
1416 char *get_string_from_profile(char **types, const char *opt,
1417                                      const char *def_val)
1418 {
1419         char *ret = 0;
1420         int i;
1421
1422         for (i=0; types[i]; i++);
1423         for (i-=1; i >=0 ; i--) {
1424                 profile_get_string(profile, "fs_types", types[i],
1425                                    opt, 0, &ret);
1426                 if (ret)
1427                         return ret;
1428         }
1429         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1430         return (ret);
1431 }
1432
1433 int get_int_from_profile(char **types, const char *opt, int def_val)
1434 {
1435         int ret;
1436         char **cpp;
1437
1438         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1439         for (cpp = types; *cpp; cpp++)
1440                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1441         return ret;
1442 }
1443
1444 static unsigned int get_uint_from_profile(char **types, const char *opt,
1445                                         unsigned int def_val)
1446 {
1447         unsigned int ret;
1448         char **cpp;
1449
1450         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1451         for (cpp = types; *cpp; cpp++)
1452                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1453         return ret;
1454 }
1455
1456 static double get_double_from_profile(char **types, const char *opt,
1457                                       double def_val)
1458 {
1459         double ret;
1460         char **cpp;
1461
1462         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1463         for (cpp = types; *cpp; cpp++)
1464                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1465         return ret;
1466 }
1467
1468 int get_bool_from_profile(char **types, const char *opt, int def_val)
1469 {
1470         int ret;
1471         char **cpp;
1472
1473         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1474         for (cpp = types; *cpp; cpp++)
1475                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1476         return ret;
1477 }
1478
1479 extern const char *mke2fs_default_profile;
1480 static const char *default_files[] = { "<default>", 0 };
1481
1482 struct device_param {
1483         unsigned long min_io;           /* prefered minimum IO size */
1484         unsigned long opt_io;           /* optimal IO size */
1485         unsigned long alignment_offset; /* alignment offset wrt physical block size */
1486         unsigned int dax:1;             /* supports dax? */
1487 };
1488
1489 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1490 /*
1491  * Sets the geometry of a device (stripe/stride), and returns the
1492  * device's alignment offset, if any, or a negative error.
1493  */
1494 static int get_device_geometry(const char *file,
1495                                unsigned int blocksize,
1496                                unsigned int psector_size,
1497                                struct device_param *dev_param)
1498 {
1499         int rc = -1;
1500         blkid_probe pr;
1501         blkid_topology tp;
1502         struct stat statbuf;
1503
1504         memset(dev_param, 0, sizeof(*dev_param));
1505
1506         /* Nothing to do for a regular file */
1507         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1508                 return 0;
1509
1510         pr = blkid_new_probe_from_filename(file);
1511         if (!pr)
1512                 goto out;
1513
1514         tp = blkid_probe_get_topology(pr);
1515         if (!tp)
1516                 goto out;
1517
1518         dev_param->min_io = blkid_topology_get_minimum_io_size(tp);
1519         dev_param->opt_io = blkid_topology_get_optimal_io_size(tp);
1520         if ((dev_param->min_io == 0) && (psector_size > blocksize))
1521                 dev_param->min_io = psector_size;
1522         if ((dev_param->opt_io == 0) && dev_param->min_io > 0)
1523                 dev_param->opt_io = dev_param->min_io;
1524         if ((dev_param->opt_io == 0) && (psector_size > blocksize))
1525                 dev_param->opt_io = psector_size;
1526
1527         dev_param->alignment_offset = blkid_topology_get_alignment_offset(tp);
1528 #ifdef HAVE_BLKID_TOPOLOGY_GET_DAX
1529         dev_param->dax = blkid_topology_get_dax(tp);
1530 #endif
1531         rc = 0;
1532 out:
1533         blkid_free_probe(pr);
1534         return rc;
1535 }
1536 #endif
1537
1538 static void PRS(int argc, char *argv[])
1539 {
1540         int             b, c, flags;
1541         int             cluster_size = 0;
1542         char            *tmp, **cpp;
1543         int             explicit_fssize = 0;
1544         int             blocksize = 0;
1545         int             inode_ratio = 0;
1546         int             inode_size = 0;
1547         unsigned long   flex_bg_size = 0;
1548         double          reserved_ratio = -1.0;
1549         int             lsector_size = 0, psector_size = 0;
1550         int             show_version_only = 0, is_device = 0;
1551         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1552         errcode_t       retval;
1553         char *          oldpath = getenv("PATH");
1554         char *          extended_opts = 0;
1555         char *          fs_type = 0;
1556         char *          usage_types = 0;
1557         /*
1558          * NOTE: A few words about fs_blocks_count and blocksize:
1559          *
1560          * Initially, blocksize is set to zero, which implies 1024.
1561          * If -b is specified, blocksize is updated to the user's value.
1562          *
1563          * Next, the device size or the user's "blocks" command line argument
1564          * is used to set fs_blocks_count; the units are blocksize.
1565          *
1566          * Later, if blocksize hasn't been set and the profile specifies a
1567          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1568          * appropriately.  Note the change in units!
1569          *
1570          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1571          */
1572         blk64_t         fs_blocks_count = 0;
1573         long            sysval;
1574         int             s_opt = -1, r_opt = -1;
1575         char            *fs_features = 0;
1576         int             fs_features_size = 0;
1577         int             use_bsize;
1578         char            *newpath;
1579         int             pathlen = sizeof(PATH_SET) + 1;
1580         struct device_param dev_param;
1581
1582         if (oldpath)
1583                 pathlen += strlen(oldpath);
1584         newpath = malloc(pathlen);
1585         if (!newpath) {
1586                 fprintf(stderr, "%s",
1587                         _("Couldn't allocate memory for new PATH.\n"));
1588                 exit(1);
1589         }
1590         strcpy(newpath, PATH_SET);
1591
1592         /* Update our PATH to include /sbin  */
1593         if (oldpath) {
1594                 strcat (newpath, ":");
1595                 strcat (newpath, oldpath);
1596         }
1597         putenv (newpath);
1598
1599         /* Determine the system page size if possible */
1600 #ifdef HAVE_SYSCONF
1601 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1602 #define _SC_PAGESIZE _SC_PAGE_SIZE
1603 #endif
1604 #ifdef _SC_PAGESIZE
1605         sysval = sysconf(_SC_PAGESIZE);
1606         if (sysval > 0)
1607                 sys_page_size = sysval;
1608 #endif /* _SC_PAGESIZE */
1609 #endif /* HAVE_SYSCONF */
1610
1611         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1612                 config_fn[0] = tmp;
1613         profile_set_syntax_err_cb(syntax_err_report);
1614         retval = profile_init(config_fn, &profile);
1615         if (retval == ENOENT) {
1616                 retval = profile_init(default_files, &profile);
1617                 if (retval)
1618                         goto profile_error;
1619                 retval = profile_set_default(profile, mke2fs_default_profile);
1620                 if (retval)
1621                         goto profile_error;
1622         } else if (retval) {
1623 profile_error:
1624                 fprintf(stderr, _("Couldn't init profile successfully"
1625                                   " (error: %ld).\n"), retval);
1626                 exit(1);
1627         }
1628
1629         setbuf(stdout, NULL);
1630         setbuf(stderr, NULL);
1631         add_error_table(&et_ext2_error_table);
1632         add_error_table(&et_prof_error_table);
1633         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1634         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1635
1636         if (is_before_linux_ver(2, 2, 0))
1637                 fs_param.s_rev_level = 0;
1638
1639         if (argc && *argv) {
1640                 program_name = get_progname(*argv);
1641
1642                 /* If called as mkfs.ext3, create a journal inode */
1643                 if (!strcmp(program_name, "mkfs.ext3") ||
1644                     !strcmp(program_name, "mke3fs"))
1645                         journal_size = -1;
1646         }
1647
1648         while ((c = getopt (argc, argv,
1649                     "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) {
1650                 switch (c) {
1651                 case 'b':
1652                         blocksize = parse_num_blocks2(optarg, -1);
1653                         b = (blocksize > 0) ? blocksize : -blocksize;
1654                         if (b < EXT2_MIN_BLOCK_SIZE ||
1655                             b > EXT2_MAX_BLOCK_SIZE) {
1656                                 com_err(program_name, 0,
1657                                         _("invalid block size - %s"), optarg);
1658                                 exit(1);
1659                         }
1660                         if (blocksize > 4096)
1661                                 fprintf(stderr, _("Warning: blocksize %d not "
1662                                                   "usable on most systems.\n"),
1663                                         blocksize);
1664                         if (blocksize > 0)
1665                                 fs_param.s_log_block_size =
1666                                         int_log2(blocksize >>
1667                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1668                         break;
1669                 case 'c':       /* Check for bad blocks */
1670                         cflag++;
1671                         break;
1672                 case 'C':
1673                         cluster_size = parse_num_blocks2(optarg, -1);
1674                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1675                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1676                                 com_err(program_name, 0,
1677                                         _("invalid cluster size - %s"),
1678                                         optarg);
1679                                 exit(1);
1680                         }
1681                         break;
1682                 case 'd':
1683                         src_root_dir = optarg;
1684                         break;
1685                 case 'D':
1686                         direct_io = 1;
1687                         break;
1688                 case 'R':
1689                         com_err(program_name, 0, "%s",
1690                                 _("'-R' is deprecated, use '-E' instead"));
1691                         /* fallthrough */
1692                 case 'E':
1693                         extended_opts = optarg;
1694                         break;
1695                 case 'e':
1696                         if (strcmp(optarg, "continue") == 0)
1697                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1698                         else if (strcmp(optarg, "remount-ro") == 0)
1699                                 errors_behavior = EXT2_ERRORS_RO;
1700                         else if (strcmp(optarg, "panic") == 0)
1701                                 errors_behavior = EXT2_ERRORS_PANIC;
1702                         else {
1703                                 com_err(program_name, 0,
1704                                         _("bad error behavior - %s"),
1705                                         optarg);
1706                                 usage();
1707                         }
1708                         break;
1709                 case 'F':
1710                         force++;
1711                         break;
1712                 case 'g':
1713                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1714                         if (*tmp) {
1715                                 com_err(program_name, 0, "%s",
1716                                 _("Illegal number for blocks per group"));
1717                                 exit(1);
1718                         }
1719                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1720                                 com_err(program_name, 0, "%s",
1721                                 _("blocks per group must be multiple of 8"));
1722                                 exit(1);
1723                         }
1724                         break;
1725                 case 'G':
1726                         flex_bg_size = strtoul(optarg, &tmp, 0);
1727                         if (*tmp) {
1728                                 com_err(program_name, 0, "%s",
1729                                         _("Illegal number for flex_bg size"));
1730                                 exit(1);
1731                         }
1732                         if (flex_bg_size < 1 ||
1733                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1734                                 com_err(program_name, 0, "%s",
1735                                         _("flex_bg size must be a power of 2"));
1736                                 exit(1);
1737                         }
1738                         if (flex_bg_size > MAX_32_NUM) {
1739                                 com_err(program_name, 0,
1740                                 _("flex_bg size (%lu) must be less than"
1741                                 " or equal to 2^31"), flex_bg_size);
1742                                 exit(1);
1743                         }
1744                         break;
1745                 case 'i':
1746                         inode_ratio = parse_num_blocks(optarg, -1);
1747                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1748                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1749                                 com_err(program_name, 0,
1750                                         _("invalid inode ratio %s (min %d/max %d)"),
1751                                         optarg, EXT2_MIN_BLOCK_SIZE,
1752                                         EXT2_MAX_BLOCK_SIZE * 1024);
1753                                 exit(1);
1754                         }
1755                         break;
1756                 case 'I':
1757                         inode_size = strtoul(optarg, &tmp, 0);
1758                         if (*tmp) {
1759                                 com_err(program_name, 0,
1760                                         _("invalid inode size - %s"), optarg);
1761                                 exit(1);
1762                         }
1763                         break;
1764                 case 'j':
1765                         if (!journal_size)
1766                                 journal_size = -1;
1767                         if (!journal_fc_size)
1768                                 journal_fc_size = -1;
1769                         break;
1770                 case 'J':
1771                         parse_journal_opts(optarg);
1772                         break;
1773                 case 'K':
1774                         fprintf(stderr, "%s",
1775                                 _("Warning: -K option is deprecated and "
1776                                   "should not be used anymore. Use "
1777                                   "\'-E nodiscard\' extended option "
1778                                   "instead!\n"));
1779                         discard = 0;
1780                         break;
1781                 case 'l':
1782                         bad_blocks_filename = realloc(bad_blocks_filename,
1783                                                       strlen(optarg) + 1);
1784                         if (!bad_blocks_filename) {
1785                                 com_err(program_name, ENOMEM, "%s",
1786                                         _("in malloc for bad_blocks_filename"));
1787                                 exit(1);
1788                         }
1789                         strcpy(bad_blocks_filename, optarg);
1790                         break;
1791                 case 'L':
1792                         volume_label = optarg;
1793                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1794                                 volume_label[EXT2_LABEL_LEN] = '\0';
1795                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1796                                         volume_label);
1797                         }
1798                         break;
1799                 case 'm':
1800                         reserved_ratio = strtod(optarg, &tmp);
1801                         if ( *tmp || reserved_ratio > 50 ||
1802                              reserved_ratio < 0) {
1803                                 com_err(program_name, 0,
1804                                         _("invalid reserved blocks percent - %s"),
1805                                         optarg);
1806                                 exit(1);
1807                         }
1808                         break;
1809                 case 'M':
1810                         mount_dir = optarg;
1811                         break;
1812                 case 'n':
1813                         noaction++;
1814                         break;
1815                 case 'N':
1816                         num_inodes = strtoul(optarg, &tmp, 0);
1817                         if (*tmp) {
1818                                 com_err(program_name, 0,
1819                                         _("bad num inodes - %s"), optarg);
1820                                         exit(1);
1821                         }
1822                         break;
1823                 case 'o':
1824                         creator_os = optarg;
1825                         break;
1826                 case 'O':
1827                         retval = ext2fs_resize_mem(fs_features_size,
1828                                    fs_features_size + 1 + strlen(optarg),
1829                                                    &fs_features);
1830                         if (retval) {
1831                                 com_err(program_name, retval,
1832                                      _("while allocating fs_feature string"));
1833                                 exit(1);
1834                         }
1835                         if (fs_features_size)
1836                                 strcat(fs_features, ",");
1837                         else
1838                                 fs_features[0] = 0;
1839                         strcat(fs_features, optarg);
1840                         fs_features_size += 1 + strlen(optarg);
1841                         break;
1842                 case 'q':
1843                         quiet = 1;
1844                         break;
1845                 case 'r':
1846                         r_opt = strtoul(optarg, &tmp, 0);
1847                         if (*tmp) {
1848                                 com_err(program_name, 0,
1849                                         _("bad revision level - %s"), optarg);
1850                                 exit(1);
1851                         }
1852                         if (r_opt > EXT2_MAX_SUPP_REV) {
1853                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1854                                         _("while trying to create revision %d"), r_opt);
1855                                 exit(1);
1856                         }
1857                         fs_param.s_rev_level = r_opt;
1858                         break;
1859                 case 's':       /* deprecated */
1860                         s_opt = atoi(optarg);
1861                         break;
1862                 case 'S':
1863                         super_only = 1;
1864                         break;
1865                 case 't':
1866                         if (fs_type) {
1867                                 com_err(program_name, 0, "%s",
1868                                     _("The -t option may only be used once"));
1869                                 exit(1);
1870                         }
1871                         fs_type = strdup(optarg);
1872                         break;
1873                 case 'T':
1874                         if (usage_types) {
1875                                 com_err(program_name, 0, "%s",
1876                                     _("The -T option may only be used once"));
1877                                 exit(1);
1878                         }
1879                         usage_types = strdup(optarg);
1880                         break;
1881                 case 'U':
1882                         fs_uuid = optarg;
1883                         break;
1884                 case 'v':
1885                         verbose = 1;
1886                         break;
1887                 case 'V':
1888                         /* Print version number and exit */
1889                         show_version_only++;
1890                         break;
1891                 case 'z':
1892                         undo_file = optarg;
1893                         break;
1894                 default:
1895                         usage();
1896                 }
1897         }
1898         if ((optind == argc) && !show_version_only)
1899                 usage();
1900         device_name = argv[optind++];
1901
1902         if (!quiet || show_version_only)
1903                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1904                          E2FSPROGS_DATE);
1905
1906         if (show_version_only) {
1907                 fprintf(stderr, _("\tUsing %s\n"),
1908                         error_message(EXT2_ET_BASE));
1909                 exit(0);
1910         }
1911
1912         /*
1913          * If there's no blocksize specified and there is a journal
1914          * device, use it to figure out the blocksize
1915          */
1916         if (blocksize <= 0 && journal_device) {
1917                 ext2_filsys     jfs;
1918                 io_manager      io_ptr;
1919
1920 #ifdef CONFIG_TESTIO_DEBUG
1921                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1922                         io_ptr = test_io_manager;
1923                         test_io_backing_manager = unix_io_manager;
1924                 } else
1925 #endif
1926                         io_ptr = unix_io_manager;
1927                 retval = ext2fs_open(journal_device,
1928                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1929                                      0, io_ptr, &jfs);
1930                 if (retval) {
1931                         com_err(program_name, retval,
1932                                 _("while trying to open journal device %s\n"),
1933                                 journal_device);
1934                         exit(1);
1935                 }
1936                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1937                         com_err(program_name, 0,
1938                                 _("Journal dev blocksize (%d) smaller than "
1939                                   "minimum blocksize %d\n"), jfs->blocksize,
1940                                 -blocksize);
1941                         exit(1);
1942                 }
1943                 blocksize = jfs->blocksize;
1944                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1945                 fs_param.s_log_block_size =
1946                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1947                 ext2fs_close_free(&jfs);
1948         }
1949
1950         if (optind < argc) {
1951                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1952                                                    fs_param.s_log_block_size);
1953                 if (!fs_blocks_count) {
1954                         com_err(program_name, 0,
1955                                 _("invalid blocks '%s' on device '%s'"),
1956                                 argv[optind - 1], device_name);
1957                         exit(1);
1958                 }
1959         }
1960         if (optind < argc)
1961                 usage();
1962
1963         profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1964                             &sync_kludge);
1965         tmp = getenv("MKE2FS_SYNC");
1966         if (tmp)
1967                 sync_kludge = atoi(tmp);
1968
1969         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1970                             &proceed_delay);
1971
1972         /* The isatty() test is so we don't break existing scripts */
1973         flags = CREATE_FILE;
1974         if (isatty(0) && isatty(1) && !offset)
1975                 flags |= CHECK_FS_EXIST;
1976         if (!quiet)
1977                 flags |= VERBOSE_CREATE;
1978         if (fs_blocks_count == 0)
1979                 flags |= NO_SIZE;
1980         else
1981                 explicit_fssize = 1;
1982         if (!check_plausibility(device_name, flags, &is_device) && !force)
1983                 proceed_question(proceed_delay);
1984
1985         check_mount(device_name, force, _("filesystem"));
1986
1987         /* Determine the size of the device (if possible) */
1988         if (noaction && fs_blocks_count) {
1989                 dev_size = fs_blocks_count;
1990                 retval = 0;
1991         } else
1992 #ifndef _WIN32
1993                 retval = ext2fs_get_device_size2(device_name,
1994                                                  EXT2_BLOCK_SIZE(&fs_param),
1995                                                  &dev_size);
1996 #else
1997                 retval = ext2fs_get_device_size(device_name,
1998                                                 EXT2_BLOCK_SIZE(&fs_param),
1999                                                 &dev_size);
2000 #endif
2001         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
2002                 com_err(program_name, retval, "%s",
2003                         _("while trying to determine filesystem size"));
2004                 exit(1);
2005         }
2006         if (!fs_blocks_count) {
2007                 if (retval == EXT2_ET_UNIMPLEMENTED) {
2008                         com_err(program_name, 0, "%s",
2009                                 _("Couldn't determine device size; you "
2010                                 "must specify\nthe size of the "
2011                                 "filesystem\n"));
2012                         exit(1);
2013                 } else {
2014                         if (dev_size == 0) {
2015                                 com_err(program_name, 0, "%s",
2016                                 _("Device size reported to be zero.  "
2017                                   "Invalid partition specified, or\n\t"
2018                                   "partition table wasn't reread "
2019                                   "after running fdisk, due to\n\t"
2020                                   "a modified partition being busy "
2021                                   "and in use.  You may need to reboot\n\t"
2022                                   "to re-read your partition table.\n"
2023                                   ));
2024                                 exit(1);
2025                         }
2026                         fs_blocks_count = dev_size;
2027                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
2028                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
2029                                              EXT2_BLOCK_SIZE(&fs_param))-1));
2030                 }
2031         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
2032                 com_err(program_name, 0, "%s",
2033                         _("Filesystem larger than apparent device size."));
2034                 proceed_question(proceed_delay);
2035         }
2036
2037         if (!fs_type)
2038                 profile_get_string(profile, "devices", device_name,
2039                                    "fs_type", 0, &fs_type);
2040         if (!usage_types)
2041                 profile_get_string(profile, "devices", device_name,
2042                                    "usage_types", 0, &usage_types);
2043
2044         /*
2045          * We have the file system (or device) size, so we can now
2046          * determine the appropriate file system types so the fs can
2047          * be appropriately configured.
2048          */
2049         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
2050                                  fs_blocks_count ? fs_blocks_count : dev_size,
2051                                  argv[0]);
2052         if (!fs_types) {
2053                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
2054                 exit(1);
2055         }
2056
2057         /* Figure out what features should be enabled */
2058
2059         tmp = NULL;
2060         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
2061                 tmp = get_string_from_profile(fs_types, "base_features",
2062                       "sparse_super,large_file,filetype,resize_inode,dir_index");
2063                 edit_feature(tmp, &fs_param.s_feature_compat);
2064                 free(tmp);
2065
2066                 /* And which mount options as well */
2067                 tmp = get_string_from_profile(fs_types, "default_mntopts",
2068                                               "acl,user_xattr");
2069                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
2070                 if (tmp)
2071                         free(tmp);
2072
2073                 for (cpp = fs_types; *cpp; cpp++) {
2074                         tmp = NULL;
2075                         profile_get_string(profile, "fs_types", *cpp,
2076                                            "features", "", &tmp);
2077                         if (tmp && *tmp)
2078                                 edit_feature(tmp, &fs_param.s_feature_compat);
2079                         if (tmp)
2080                                 free(tmp);
2081                 }
2082                 tmp = get_string_from_profile(fs_types, "default_features",
2083                                               "");
2084         }
2085         /* Mask off features which aren't supported by the Hurd */
2086         if (for_hurd(creator_os)) {
2087                 ext2fs_clear_feature_filetype(&fs_param);
2088                 ext2fs_clear_feature_huge_file(&fs_param);
2089                 ext2fs_clear_feature_metadata_csum(&fs_param);
2090                 ext2fs_clear_feature_ea_inode(&fs_param);
2091                 ext2fs_clear_feature_casefold(&fs_param);
2092         }
2093         edit_feature(fs_features ? fs_features : tmp,
2094                      &fs_param.s_feature_compat);
2095         if (tmp)
2096                 free(tmp);
2097         (void) ext2fs_free_mem(&fs_features);
2098         /*
2099          * If the user specified features incompatible with the Hurd, complain
2100          */
2101         if (for_hurd(creator_os)) {
2102                 if (ext2fs_has_feature_filetype(&fs_param)) {
2103                         fprintf(stderr, "%s", _("The HURD does not support the "
2104                                                 "filetype feature.\n"));
2105                         exit(1);
2106                 }
2107                 if (ext2fs_has_feature_huge_file(&fs_param)) {
2108                         fprintf(stderr, "%s", _("The HURD does not support the "
2109                                                 "huge_file feature.\n"));
2110                         exit(1);
2111                 }
2112                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2113                         fprintf(stderr, "%s", _("The HURD does not support the "
2114                                                 "metadata_csum feature.\n"));
2115                         exit(1);
2116                 }
2117                 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2118                         fprintf(stderr, "%s", _("The HURD does not support the "
2119                                                 "ea_inode feature.\n"));
2120                         exit(1);
2121                 }
2122         }
2123
2124         /* Get the hardware sector sizes, if available */
2125         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2126         if (retval) {
2127                 com_err(program_name, retval, "%s",
2128                         _("while trying to determine hardware sector size"));
2129                 exit(1);
2130         }
2131         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2132         if (retval) {
2133                 com_err(program_name, retval, "%s",
2134                         _("while trying to determine physical sector size"));
2135                 exit(1);
2136         }
2137
2138         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2139         if (tmp != NULL)
2140                 lsector_size = atoi(tmp);
2141         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2142         if (tmp != NULL)
2143                 psector_size = atoi(tmp);
2144
2145         /* Older kernels may not have physical/logical distinction */
2146         if (!psector_size)
2147                 psector_size = lsector_size;
2148
2149         if (blocksize <= 0) {
2150                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2151
2152                 if (use_bsize == -1) {
2153                         use_bsize = sys_page_size;
2154                         if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2155                                 use_bsize = 4096;
2156                 }
2157                 if (lsector_size && use_bsize < lsector_size)
2158                         use_bsize = lsector_size;
2159                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2160                         use_bsize = -blocksize;
2161                 blocksize = use_bsize;
2162                 fs_blocks_count /= (blocksize / 1024);
2163         } else {
2164                 if (blocksize < lsector_size) {                 /* Impossible */
2165                         com_err(program_name, EINVAL, "%s",
2166                                 _("while setting blocksize; too small "
2167                                   "for device\n"));
2168                         exit(1);
2169                 } else if ((blocksize < psector_size) &&
2170                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2171                         fprintf(stderr, _("Warning: specified blocksize %d is "
2172                                 "less than device physical sectorsize %d\n"),
2173                                 blocksize, psector_size);
2174                 }
2175         }
2176
2177         fs_param.s_log_block_size =
2178                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2179
2180         /*
2181          * We now need to do a sanity check of fs_blocks_count for
2182          * 32-bit vs 64-bit block number support.
2183          */
2184         if ((fs_blocks_count > MAX_32_NUM) &&
2185             ext2fs_has_feature_64bit(&fs_param))
2186                 ext2fs_clear_feature_resize_inode(&fs_param);
2187         if ((fs_blocks_count > MAX_32_NUM) &&
2188             !ext2fs_has_feature_64bit(&fs_param) &&
2189             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2190                 ext2fs_set_feature_64bit(&fs_param);
2191                 ext2fs_clear_feature_resize_inode(&fs_param);
2192         }
2193         if ((fs_blocks_count > MAX_32_NUM) &&
2194             !ext2fs_has_feature_64bit(&fs_param)) {
2195                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2196                                   "too big to be expressed\n\t"
2197                                   "in 32 bits using a blocksize of %d.\n"),
2198                         program_name, (unsigned long long) fs_blocks_count,
2199                         device_name, EXT2_BLOCK_SIZE(&fs_param));
2200                 exit(1);
2201         }
2202         /*
2203          * Guard against group descriptor count overflowing... Mostly to avoid
2204          * strange results for absurdly large devices.  This is in log2:
2205          * (blocksize) * (bits per byte) * (maximum number of block groups)
2206          */
2207         if (fs_blocks_count >
2208             (1ULL << (EXT2_BLOCK_SIZE_BITS(&fs_param) + 3 + 32)) - 1) {
2209                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2210                                   "too big to create\n\t"
2211                                   "a filesystem using a blocksize of %d.\n"),
2212                         program_name, (unsigned long long) fs_blocks_count,
2213                         device_name, EXT2_BLOCK_SIZE(&fs_param));
2214                 exit(1);
2215         }
2216
2217         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2218
2219         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2220                 int i;
2221
2222                 for (i=0; fs_types[i]; i++) {
2223                         free(fs_types[i]);
2224                         fs_types[i] = 0;
2225                 }
2226                 fs_types[0] = strdup("journal");
2227                 fs_types[1] = 0;
2228         }
2229
2230         if (verbose) {
2231                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2232                 print_str_list(fs_types);
2233         }
2234
2235         if (r_opt == EXT2_GOOD_OLD_REV &&
2236             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2237              fs_param.s_feature_ro_compat)) {
2238                 fprintf(stderr, "%s", _("Filesystem features not supported "
2239                                         "with revision 0 filesystems\n"));
2240                 exit(1);
2241         }
2242
2243         if (s_opt > 0) {
2244                 if (r_opt == EXT2_GOOD_OLD_REV) {
2245                         fprintf(stderr, "%s",
2246                                 _("Sparse superblocks not supported "
2247                                   "with revision 0 filesystems\n"));
2248                         exit(1);
2249                 }
2250                 ext2fs_set_feature_sparse_super(&fs_param);
2251         } else if (s_opt == 0)
2252                 ext2fs_clear_feature_sparse_super(&fs_param);
2253
2254         if (journal_size != 0) {
2255                 if (r_opt == EXT2_GOOD_OLD_REV) {
2256                         fprintf(stderr, "%s", _("Journals not supported with "
2257                                                 "revision 0 filesystems\n"));
2258                         exit(1);
2259                 }
2260                 ext2fs_set_feature_journal(&fs_param);
2261         }
2262
2263         /* Get reserved_ratio from profile if not specified on cmd line. */
2264         if (reserved_ratio < 0.0) {
2265                 reserved_ratio = get_double_from_profile(
2266                                         fs_types, "reserved_ratio", 5.0);
2267                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2268                         com_err(program_name, 0,
2269                                 _("invalid reserved blocks percent - %lf"),
2270                                 reserved_ratio);
2271                         exit(1);
2272                 }
2273         }
2274
2275         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2276                 reserved_ratio = 0;
2277                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2278                 fs_param.s_feature_compat = 0;
2279                 fs_param.s_feature_ro_compat &=
2280                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2281         }
2282
2283         /* Check the user's mkfs options for 64bit */
2284         if (ext2fs_has_feature_64bit(&fs_param) &&
2285             !ext2fs_has_feature_extents(&fs_param)) {
2286                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2287                                "filesystem.  Pass -O extents to rectify.\n"));
2288                 exit(1);
2289         }
2290
2291         /* Set first meta blockgroup via an environment variable */
2292         /* (this is mostly for debugging purposes) */
2293         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2294             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2295                 fs_param.s_first_meta_bg = atoi(tmp);
2296         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2297                 if (!cluster_size)
2298                         cluster_size = get_int_from_profile(fs_types,
2299                                                             "cluster_size",
2300                                                             blocksize*16);
2301                 fs_param.s_log_cluster_size =
2302                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2303                 if (fs_param.s_log_cluster_size &&
2304                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2305                         com_err(program_name, 0, "%s",
2306                                 _("The cluster size may not be "
2307                                   "smaller than the block size.\n"));
2308                         exit(1);
2309                 }
2310         } else if (cluster_size) {
2311                 com_err(program_name, 0, "%s",
2312                         _("specifying a cluster size requires the "
2313                           "bigalloc feature"));
2314                 exit(1);
2315         } else
2316                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2317
2318         if (inode_ratio == 0) {
2319                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2320                                                    8192);
2321                 if (inode_ratio < blocksize)
2322                         inode_ratio = blocksize;
2323                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2324                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2325         }
2326
2327 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2328         retval = get_device_geometry(device_name, blocksize,
2329                                      psector_size, &dev_param);
2330         if (retval < 0) {
2331                 fprintf(stderr,
2332                         _("warning: Unable to get device geometry for %s\n"),
2333                         device_name);
2334         } else {
2335                 /* setting stripe/stride to blocksize is pointless */
2336                 if (dev_param.min_io > blocksize)
2337                         fs_param.s_raid_stride = dev_param.min_io / blocksize;
2338                 if (dev_param.opt_io > blocksize) {
2339                         fs_param.s_raid_stripe_width =
2340                                                 dev_param.opt_io / blocksize;
2341                 }
2342
2343                 if (dev_param.alignment_offset) {
2344                         printf(_("%s alignment is offset by %lu bytes.\n"),
2345                                device_name, dev_param.alignment_offset);
2346                         printf(_("This may result in very poor performance, "
2347                                   "(re)-partitioning suggested.\n"));
2348                 }
2349
2350                 if (dev_param.dax && blocksize != sys_page_size) {
2351                         fprintf(stderr,
2352                                 _("%s is capable of DAX but current block size "
2353                                   "%u is different from system page size %u so "
2354                                   "filesystem will not support DAX.\n"),
2355                                 device_name, blocksize, sys_page_size);
2356                 }
2357         }
2358 #endif
2359
2360         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2361
2362         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2363
2364         /*
2365          * Initialize s_desc_size so that the parse_extended_opts()
2366          * can correctly handle "-E resize=NNN" if the 64-bit option
2367          * is set.
2368          */
2369         if (ext2fs_has_feature_64bit(&fs_param))
2370                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2371
2372         /* This check should happen beyond the last assignment to blocksize */
2373         if (blocksize > sys_page_size) {
2374                 if (!force) {
2375                         com_err(program_name, 0,
2376                                 _("%d-byte blocks too big for system (max %d)"),
2377                                 blocksize, sys_page_size);
2378                         proceed_question(proceed_delay);
2379                 }
2380                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2381                                   "(max %d), forced to continue\n"),
2382                         blocksize, sys_page_size);
2383         }
2384
2385         /* Metadata checksumming wasn't totally stable before 3.18. */
2386         if (is_before_linux_ver(3, 18, 0) &&
2387             ext2fs_has_feature_metadata_csum(&fs_param))
2388                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2389                         "improved stability of the metadata and journal "
2390                         "checksum features.\n"));
2391
2392         /*
2393          * On newer kernels we do have lazy_itable_init support. So pick the
2394          * right default in case ext4 module is not loaded.
2395          */
2396         if (is_before_linux_ver(2, 6, 37))
2397                 lazy_itable_init = 0;
2398         else
2399                 lazy_itable_init = 1;
2400
2401         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2402                 lazy_itable_init = 1;
2403
2404         lazy_itable_init = get_bool_from_profile(fs_types,
2405                                                  "lazy_itable_init",
2406                                                  lazy_itable_init);
2407         discard = get_bool_from_profile(fs_types, "discard" , discard);
2408         journal_flags |= get_bool_from_profile(fs_types,
2409                                                "lazy_journal_init", 0) ?
2410                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2411         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2412
2413         if (!journal_location_string)
2414                 journal_location_string = get_string_from_profile(fs_types,
2415                                                 "journal_location", "");
2416         if ((journal_location == ~0ULL) && journal_location_string &&
2417             *journal_location_string)
2418                 journal_location = parse_num_blocks2(journal_location_string,
2419                                                 fs_param.s_log_block_size);
2420         free(journal_location_string);
2421
2422         packed_meta_blocks = get_bool_from_profile(fs_types,
2423                                                    "packed_meta_blocks", 0);
2424         if (packed_meta_blocks)
2425                 journal_location = 0;
2426
2427         if (ext2fs_has_feature_casefold(&fs_param)) {
2428                 char *ef, *en = get_string_from_profile(fs_types,
2429                                                         "encoding", "utf8");
2430                 int encoding = e2p_str2encoding(en);
2431
2432                 if (encoding < 0) {
2433                         com_err(program_name, 0,
2434                                 _("Unknown filename encoding from profile: %s"),
2435                                 en);
2436                         exit(1);
2437                 }
2438                 free(en);
2439                 fs_param.s_encoding = encoding;
2440                 ef = get_string_from_profile(fs_types, "encoding_flags", NULL);
2441                 if (ef) {
2442                         if (e2p_str2encoding_flags(encoding, ef,
2443                                         &fs_param.s_encoding_flags) < 0) {
2444                                 com_err(program_name, 0,
2445                         _("Unknown encoding flags from profile: %s"), ef);
2446                                 exit(1);
2447                         }
2448                         free(ef);
2449                 } else
2450                         fs_param.s_encoding_flags =
2451                                 e2p_get_encoding_flags(encoding);
2452         }
2453
2454         /* Get options from profile */
2455         for (cpp = fs_types; *cpp; cpp++) {
2456                 tmp = NULL;
2457                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2458                         if (tmp && *tmp)
2459                                 parse_extended_opts(&fs_param, tmp);
2460                         free(tmp);
2461         }
2462
2463         if (extended_opts)
2464                 parse_extended_opts(&fs_param, extended_opts);
2465
2466         if (explicit_fssize == 0 && offset > 0) {
2467                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2468                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2469                 fprintf(stderr,
2470                         _("\nWarning: offset specified without an "
2471                           "explicit file system size.\n"
2472                           "Creating a file system with %llu blocks "
2473                           "but this might\n"
2474                           "not be what you want.\n\n"),
2475                         (unsigned long long) fs_blocks_count);
2476         }
2477
2478         if (quotatype_bits & QUOTA_PRJ_BIT)
2479                 ext2fs_set_feature_project(&fs_param);
2480
2481         if (ext2fs_has_feature_project(&fs_param)) {
2482                 quotatype_bits |= QUOTA_PRJ_BIT;
2483                 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2484                         com_err(program_name, 0,
2485                                 _("%d byte inodes are too small for "
2486                                   "project quota"),
2487                                 inode_size);
2488                         exit(1);
2489                 }
2490                 if (inode_size == 0) {
2491                         inode_size = get_int_from_profile(fs_types,
2492                                                           "inode_size", 0);
2493                         if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2494                                 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2495                 }
2496         }
2497
2498         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2499         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2500             ext2fs_has_feature_gdt_csum(&fs_param))
2501                 ext2fs_clear_feature_gdt_csum(&fs_param);
2502
2503         /* Can't support bigalloc feature without extents feature */
2504         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2505             !ext2fs_has_feature_extents(&fs_param)) {
2506                 com_err(program_name, 0, "%s",
2507                         _("Can't support bigalloc feature without "
2508                           "extents feature"));
2509                 exit(1);
2510         }
2511
2512         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2513             ext2fs_has_feature_resize_inode(&fs_param)) {
2514                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2515                                         "features are not compatible.\n"
2516                                         "They can not be both enabled "
2517                                         "simultaneously.\n"));
2518                 exit(1);
2519         }
2520
2521         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2522                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2523                                   "still under development\n"
2524                                   "See https://ext4.wiki.kernel.org/"
2525                                   "index.php/Bigalloc for more information\n\n"));
2526
2527         /*
2528          * Since sparse_super is the default, we would only have a problem
2529          * here if it was explicitly disabled.
2530          */
2531         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2532             !ext2fs_has_feature_sparse_super(&fs_param)) {
2533                 com_err(program_name, 0, "%s",
2534                         _("reserved online resize blocks not supported "
2535                           "on non-sparse filesystem"));
2536                 exit(1);
2537         }
2538
2539         if (fs_param.s_blocks_per_group) {
2540                 if (fs_param.s_blocks_per_group < 256 ||
2541                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2542                         com_err(program_name, 0, "%s",
2543                                 _("blocks per group count out of range"));
2544                         exit(1);
2545                 }
2546         }
2547
2548         /*
2549          * If the bigalloc feature is enabled, then the -g option will
2550          * specify the number of clusters per group.
2551          */
2552         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2553                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2554                 fs_param.s_blocks_per_group = 0;
2555         }
2556
2557         if (inode_size == 0)
2558                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2559         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2560                 flex_bg_size = get_uint_from_profile(fs_types,
2561                                                      "flex_bg_size", 16);
2562         if (flex_bg_size) {
2563                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2564                         com_err(program_name, 0, "%s",
2565                                 _("Flex_bg feature not enabled, so "
2566                                   "flex_bg size may not be specified"));
2567                         exit(1);
2568                 }
2569                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2570         }
2571
2572         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2573                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2574                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2575                     inode_size & (inode_size - 1)) {
2576                         com_err(program_name, 0,
2577                                 _("invalid inode size %d (min %d/max %d)"),
2578                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2579                                 blocksize);
2580                         exit(1);
2581                 }
2582                 fs_param.s_inode_size = inode_size;
2583         }
2584
2585         /*
2586          * If inode size is 128 and inline data is enabled, we need
2587          * to notify users that inline data will never be useful.
2588          */
2589         if (ext2fs_has_feature_inline_data(&fs_param) &&
2590             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2591                 com_err(program_name, 0,
2592                         _("%d byte inodes are too small for inline data; "
2593                           "specify larger size"),
2594                         fs_param.s_inode_size);
2595                 exit(1);
2596         }
2597
2598         /* Make sure number of inodes specified will fit in 32 bits */
2599         if (num_inodes == 0) {
2600                 unsigned long long n;
2601                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2602                 if (n > MAX_32_NUM) {
2603                         if (ext2fs_has_feature_64bit(&fs_param))
2604                                 num_inodes = MAX_32_NUM;
2605                         else {
2606                                 com_err(program_name, 0,
2607                                         _("too many inodes (%llu), raise "
2608                                           "inode ratio?"),
2609                                         (unsigned long long) n);
2610                                 exit(1);
2611                         }
2612                 }
2613         } else if (num_inodes > MAX_32_NUM) {
2614                 com_err(program_name, 0,
2615                         _("too many inodes (%llu), specify < 2^32 inodes"),
2616                         (unsigned long long) num_inodes);
2617                 exit(1);
2618         }
2619         /*
2620          * Calculate number of inodes based on the inode ratio
2621          */
2622         fs_param.s_inodes_count = num_inodes ? num_inodes :
2623                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2624
2625         if ((((unsigned long long)fs_param.s_inodes_count) *
2626              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2627             ((ext2fs_blocks_count(&fs_param)) *
2628              EXT2_BLOCK_SIZE(&fs_param))) {
2629                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2630                                           "(%u) too big for a\n\t"
2631                                           "filesystem with %llu blocks, "
2632                                           "specify higher inode_ratio (-i)\n\t"
2633                                           "or lower inode count (-N).\n"),
2634                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2635                         fs_param.s_inodes_count,
2636                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2637                 exit(1);
2638         }
2639
2640         /*
2641          * Calculate number of blocks to reserve
2642          */
2643         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2644                                   ext2fs_blocks_count(&fs_param) / 100.0);
2645
2646         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2647                 if (num_backups >= 1)
2648                         fs_param.s_backup_bgs[0] = 1;
2649                 if (num_backups >= 2)
2650                         fs_param.s_backup_bgs[1] = ~0;
2651         }
2652
2653         free(fs_type);
2654         free(usage_types);
2655 }
2656
2657 static int should_do_undo(const char *name)
2658 {
2659         errcode_t retval;
2660         io_channel channel;
2661         __u16   s_magic;
2662         struct ext2_super_block super;
2663         io_manager manager = unix_io_manager;
2664         int csum_flag, force_undo;
2665
2666         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2667                     ext2fs_has_feature_gdt_csum(&fs_param);
2668         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2669         if (!force_undo && (!csum_flag || !lazy_itable_init))
2670                 return 0;
2671
2672         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2673         if (retval) {
2674                 /*
2675                  * We don't handle error cases instead we
2676                  * declare that the file system doesn't exist
2677                  * and let the rest of mke2fs take care of
2678                  * error
2679                  */
2680                 retval = 0;
2681                 goto open_err_out;
2682         }
2683
2684         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2685         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2686         if (retval) {
2687                 retval = 0;
2688                 goto err_out;
2689         }
2690
2691 #if defined(WORDS_BIGENDIAN)
2692         s_magic = ext2fs_swab16(super.s_magic);
2693 #else
2694         s_magic = super.s_magic;
2695 #endif
2696
2697         if (s_magic == EXT2_SUPER_MAGIC)
2698                 retval = 1;
2699
2700 err_out:
2701         io_channel_close(channel);
2702
2703 open_err_out:
2704
2705         return retval;
2706 }
2707
2708 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2709 {
2710         errcode_t retval = ENOMEM;
2711         char *tdb_dir = NULL, *tdb_file = NULL;
2712         char *dev_name, *tmp_name;
2713         int free_tdb_dir = 0;
2714
2715         /* (re)open a specific undo file */
2716         if (undo_file && undo_file[0] != 0) {
2717                 retval = set_undo_io_backing_manager(*io_ptr);
2718                 if (retval)
2719                         goto err;
2720                 *io_ptr = undo_io_manager;
2721                 retval = set_undo_io_backup_file(undo_file);
2722                 if (retval)
2723                         goto err;
2724                 printf(_("Overwriting existing filesystem; this can be undone "
2725                          "using the command:\n"
2726                          "    e2undo %s %s\n\n"), undo_file, name);
2727                 return retval;
2728         }
2729
2730         /*
2731          * Configuration via a conf file would be
2732          * nice
2733          */
2734         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2735         if (!tdb_dir) {
2736                 profile_get_string(profile, "defaults",
2737                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2738                                    &tdb_dir);
2739                 free_tdb_dir = 1;
2740         }
2741
2742         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2743             access(tdb_dir, W_OK)) {
2744                 if (free_tdb_dir)
2745                         free(tdb_dir);
2746                 return 0;
2747         }
2748
2749         tmp_name = strdup(name);
2750         if (!tmp_name)
2751                 goto errout;
2752         dev_name = basename(tmp_name);
2753         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2754         if (!tdb_file) {
2755                 free(tmp_name);
2756                 goto errout;
2757         }
2758         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2759         free(tmp_name);
2760
2761         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2762                 retval = errno;
2763                 com_err(program_name, retval,
2764                         _("while trying to delete %s"), tdb_file);
2765                 goto errout;
2766         }
2767
2768         retval = set_undo_io_backing_manager(*io_ptr);
2769         if (retval)
2770                 goto errout;
2771         *io_ptr = undo_io_manager;
2772         retval = set_undo_io_backup_file(tdb_file);
2773         if (retval)
2774                 goto errout;
2775         printf(_("Overwriting existing filesystem; this can be undone "
2776                  "using the command:\n"
2777                  "    e2undo %s %s\n\n"), tdb_file, name);
2778
2779         if (free_tdb_dir)
2780                 free(tdb_dir);
2781         free(tdb_file);
2782         return 0;
2783
2784 errout:
2785         if (free_tdb_dir)
2786                 free(tdb_dir);
2787         free(tdb_file);
2788 err:
2789         com_err(program_name, retval, "%s",
2790                 _("while trying to setup undo file\n"));
2791         return retval;
2792 }
2793
2794 static int mke2fs_discard_device(ext2_filsys fs)
2795 {
2796         struct ext2fs_numeric_progress_struct progress;
2797         blk64_t blocks = ext2fs_blocks_count(fs->super);
2798         blk64_t count = DISCARD_STEP_MB;
2799         blk64_t cur;
2800         int retval = 0;
2801
2802         /*
2803          * Let's try if discard really works on the device, so
2804          * we do not print numeric progress resulting in failure
2805          * afterwards.
2806          */
2807         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2808         if (retval)
2809                 return retval;
2810         cur = fs->blocksize;
2811
2812         count *= (1024 * 1024);
2813         count /= fs->blocksize;
2814
2815         ext2fs_numeric_progress_init(fs, &progress,
2816                                      _("Discarding device blocks: "),
2817                                      blocks);
2818         while (cur < blocks) {
2819                 ext2fs_numeric_progress_update(fs, &progress, cur);
2820
2821                 if (cur + count > blocks)
2822                         count = blocks - cur;
2823
2824                 retval = io_channel_discard(fs->io, cur, count);
2825                 if (retval)
2826                         break;
2827                 cur += count;
2828         }
2829
2830         if (retval) {
2831                 ext2fs_numeric_progress_close(fs, &progress,
2832                                       _("failed - "));
2833                 if (!quiet)
2834                         printf("%s\n",error_message(retval));
2835         } else
2836                 ext2fs_numeric_progress_close(fs, &progress,
2837                                       _("done                            \n"));
2838
2839         return retval;
2840 }
2841
2842 static void fix_cluster_bg_counts(ext2_filsys fs)
2843 {
2844         blk64_t         block, num_blocks, last_block, next;
2845         blk64_t         tot_free = 0;
2846         errcode_t       retval;
2847         dgrp_t          group = 0;
2848         int             grp_free = 0;
2849
2850         num_blocks = ext2fs_blocks_count(fs->super);
2851         last_block = ext2fs_group_last_block2(fs, group);
2852         block = fs->super->s_first_data_block;
2853         while (block < num_blocks) {
2854                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2855                                                 block, last_block, &next);
2856                 if (retval == 0)
2857                         block = next;
2858                 else {
2859                         block = last_block + 1;
2860                         goto next_bg;
2861                 }
2862
2863                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2864                                                 block, last_block, &next);
2865                 if (retval)
2866                         next = last_block + 1;
2867                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2868                 tot_free += next - block;
2869                 block = next;
2870
2871                 if (block > last_block) {
2872                 next_bg:
2873                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2874                         ext2fs_group_desc_csum_set(fs, group);
2875                         grp_free = 0;
2876                         group++;
2877                         last_block = ext2fs_group_last_block2(fs, group);
2878                 }
2879         }
2880         ext2fs_free_blocks_count_set(fs->super, tot_free);
2881 }
2882
2883 static int create_quota_inodes(ext2_filsys fs)
2884 {
2885         quota_ctx_t qctx;
2886         errcode_t retval;
2887
2888         retval = quota_init_context(&qctx, fs, quotatype_bits);
2889         if (retval) {
2890                 com_err(program_name, retval,
2891                         _("while initializing quota context"));
2892                 exit(1);
2893         }
2894         quota_compute_usage(qctx);
2895         retval = quota_write_inode(qctx, quotatype_bits);
2896         if (retval) {
2897                 com_err(program_name, retval,
2898                         _("while writing quota inodes"));
2899                 exit(1);
2900         }
2901         quota_release_context(&qctx);
2902
2903         return 0;
2904 }
2905
2906 static errcode_t set_error_behavior(ext2_filsys fs)
2907 {
2908         char    *arg = NULL;
2909         short   errors = fs->super->s_errors;
2910
2911         arg = get_string_from_profile(fs_types, "errors", NULL);
2912         if (arg == NULL)
2913                 goto try_user;
2914
2915         if (strcmp(arg, "continue") == 0)
2916                 errors = EXT2_ERRORS_CONTINUE;
2917         else if (strcmp(arg, "remount-ro") == 0)
2918                 errors = EXT2_ERRORS_RO;
2919         else if (strcmp(arg, "panic") == 0)
2920                 errors = EXT2_ERRORS_PANIC;
2921         else {
2922                 com_err(program_name, 0,
2923                         _("bad error behavior in profile - %s"),
2924                         arg);
2925                 free(arg);
2926                 return EXT2_ET_INVALID_ARGUMENT;
2927         }
2928         free(arg);
2929
2930 try_user:
2931         if (errors_behavior)
2932                 errors = errors_behavior;
2933
2934         fs->super->s_errors = errors;
2935         return 0;
2936 }
2937
2938 int main (int argc, char *argv[])
2939 {
2940         errcode_t       retval = 0;
2941         ext2_filsys     fs;
2942         badblocks_list  bb_list = 0;
2943         badblocks_iterate       bb_iter;
2944         blk_t           blk;
2945         struct ext2fs_journal_params    jparams = {0};
2946         unsigned int    i, checkinterval;
2947         int             max_mnt_count;
2948         int             val, hash_alg;
2949         int             flags;
2950         int             old_bitmaps;
2951         io_manager      io_ptr;
2952         char            opt_string[40];
2953         char            *hash_alg_str;
2954         int             itable_zeroed = 0;
2955         blk64_t         overhead;
2956
2957 #ifdef ENABLE_NLS
2958         setlocale(LC_MESSAGES, "");
2959         setlocale(LC_CTYPE, "");
2960         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2961         textdomain(NLS_CAT_NAME);
2962         set_com_err_gettext(gettext);
2963 #endif
2964         PRS(argc, argv);
2965
2966 #ifdef CONFIG_TESTIO_DEBUG
2967         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2968                 io_ptr = test_io_manager;
2969                 test_io_backing_manager = unix_io_manager;
2970         } else
2971 #endif
2972                 io_ptr = unix_io_manager;
2973
2974         if (undo_file != NULL || should_do_undo(device_name)) {
2975                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2976                 if (retval)
2977                         exit(1);
2978         }
2979
2980         /*
2981          * Initialize the superblock....
2982          */
2983         flags = EXT2_FLAG_EXCLUSIVE;
2984         if (direct_io)
2985                 flags |= EXT2_FLAG_DIRECT_IO;
2986         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2987                             &old_bitmaps);
2988         if (!old_bitmaps)
2989                 flags |= EXT2_FLAG_64BITS;
2990         /*
2991          * By default, we print how many inode tables or block groups
2992          * or whatever we've written so far.  The quiet flag disables
2993          * this, along with a lot of other output.
2994          */
2995         if (!quiet)
2996                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2997         if (android_sparse_file) {
2998                 char *android_sparse_params = malloc(strlen(device_name) + 48);
2999
3000                 if (!android_sparse_params) {
3001                         com_err(program_name, ENOMEM, "%s",
3002                                 _("in malloc for android_sparse_params"));
3003                         exit(1);
3004                 }
3005                 sprintf(android_sparse_params, "(%s):%u:%u",
3006                          device_name, fs_param.s_blocks_count,
3007                          1024 << fs_param.s_log_block_size);
3008                 retval = ext2fs_initialize(android_sparse_params, flags,
3009                                            &fs_param, sparse_io_manager, &fs);
3010                 free(android_sparse_params);
3011         } else
3012                 retval = ext2fs_initialize(device_name, flags, &fs_param,
3013                                            io_ptr, &fs);
3014         if (retval) {
3015                 com_err(device_name, retval, "%s",
3016                         _("while setting up superblock"));
3017                 exit(1);
3018         }
3019         fs->progress_ops = &ext2fs_numeric_progress_ops;
3020
3021         /* Set the error behavior */
3022         retval = set_error_behavior(fs);
3023         if (retval)
3024                 usage();
3025
3026         /* Check the user's mkfs options for metadata checksumming */
3027         if (!quiet &&
3028             !ext2fs_has_feature_journal_dev(fs->super) &&
3029             ext2fs_has_feature_metadata_csum(fs->super)) {
3030                 if (!ext2fs_has_feature_extents(fs->super))
3031                         printf("%s",
3032                                _("Extents are not enabled.  The file extent "
3033                                  "tree can be checksummed, whereas block maps "
3034                                  "cannot.  Not enabling extents reduces the "
3035                                  "coverage of metadata checksumming.  "
3036                                  "Pass -O extents to rectify.\n"));
3037                 if (!ext2fs_has_feature_64bit(fs->super))
3038                         printf("%s",
3039                                _("64-bit filesystem support is not enabled.  "
3040                                  "The larger fields afforded by this feature "
3041                                  "enable full-strength checksumming.  "
3042                                  "Pass -O 64bit to rectify.\n"));
3043         }
3044
3045         if (ext2fs_has_feature_csum_seed(fs->super) &&
3046             !ext2fs_has_feature_metadata_csum(fs->super)) {
3047                 printf("%s", _("The metadata_csum_seed feature "
3048                                "requires the metadata_csum feature.\n"));
3049                 exit(1);
3050         }
3051
3052         /* Calculate journal blocks */
3053         if (!journal_device && ((journal_size) ||
3054             ext2fs_has_feature_journal(&fs_param)))
3055                 figure_journal_size(&jparams, journal_size, journal_fc_size, fs);
3056
3057         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
3058                 32768 : fs->blocksize * 8);
3059         io_channel_set_options(fs->io, opt_string);
3060         if (offset) {
3061                 sprintf(opt_string, "offset=%llu", (unsigned long long) offset);
3062                 io_channel_set_options(fs->io, opt_string);
3063         }
3064
3065         /* Can't undo discard ... */
3066         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
3067                 retval = mke2fs_discard_device(fs);
3068                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
3069                         if (verbose)
3070                                 printf("%s",
3071                                        _("Discard succeeded and will return "
3072                                          "0s - skipping inode table wipe\n"));
3073                         lazy_itable_init = 1;
3074                         itable_zeroed = 1;
3075                         zero_hugefile = 0;
3076                 }
3077         }
3078
3079         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
3080                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
3081
3082         if (ext2fs_has_feature_flex_bg(&fs_param) ||
3083             ext2fs_has_feature_huge_file(&fs_param) ||
3084             ext2fs_has_feature_gdt_csum(&fs_param) ||
3085             ext2fs_has_feature_dir_nlink(&fs_param) ||
3086             ext2fs_has_feature_metadata_csum(&fs_param) ||
3087             ext2fs_has_feature_extra_isize(&fs_param))
3088                 fs->super->s_kbytes_written = 1;
3089
3090         /*
3091          * Wipe out the old on-disk superblock
3092          */
3093         if (!noaction)
3094                 zap_sector(fs, 2, 6);
3095
3096         /*
3097          * Parse or generate a UUID for the filesystem
3098          */
3099         if (fs_uuid) {
3100                 if ((strcasecmp(fs_uuid, "null") == 0) ||
3101                     (strcasecmp(fs_uuid, "clear") == 0)) {
3102                         uuid_clear(fs->super->s_uuid);
3103                 } else if (strcasecmp(fs_uuid, "time") == 0) {
3104                         uuid_generate_time(fs->super->s_uuid);
3105                 } else if (strcasecmp(fs_uuid, "random") == 0) {
3106                         uuid_generate(fs->super->s_uuid);
3107                 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
3108                         com_err(device_name, 0, "could not parse UUID: %s\n",
3109                                 fs_uuid);
3110                         exit(1);
3111                 }
3112         } else
3113                 uuid_generate(fs->super->s_uuid);
3114
3115         if (ext2fs_has_feature_csum_seed(fs->super))
3116                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
3117                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
3118
3119         ext2fs_init_csum_seed(fs);
3120
3121         /*
3122          * Initialize the directory index variables
3123          */
3124         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3125                                                "half_md4");
3126         hash_alg = e2p_string2hash(hash_alg_str);
3127         free(hash_alg_str);
3128         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3129                 EXT2_HASH_HALF_MD4;
3130
3131         if (memcmp(fs_param.s_hash_seed, zero_buf,
3132                 sizeof(fs_param.s_hash_seed)) != 0) {
3133                 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3134                         sizeof(fs->super->s_hash_seed));
3135         } else
3136                 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3137
3138         /*
3139          * Periodic checks can be enabled/disabled via config file.
3140          * Note we override the kernel include file's idea of what the default
3141          * check interval (never) should be.  It's a good idea to check at
3142          * least *occasionally*, specially since servers will never rarely get
3143          * to reboot, since Linux is so robust these days.  :-)
3144          *
3145          * 180 days (six months) seems like a good value.
3146          */
3147 #ifdef EXT2_DFL_CHECKINTERVAL
3148 #undef EXT2_DFL_CHECKINTERVAL
3149 #endif
3150 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3151
3152         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3153                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3154                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3155                 /*
3156                  * Add "jitter" to the superblock's check interval so that we
3157                  * don't check all the filesystems at the same time.  We use a
3158                  * kludgy hack of using the UUID to derive a random jitter value
3159                  */
3160                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3161                         val += fs->super->s_uuid[i];
3162                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3163         } else
3164                 fs->super->s_max_mnt_count = -1;
3165
3166         /*
3167          * Override the creator OS, if applicable
3168          */
3169         if (creator_os && !set_os(fs->super, creator_os)) {
3170                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3171                 exit(1);
3172         }
3173
3174         /*
3175          * For the Hurd, we will turn off filetype since it doesn't
3176          * support it.
3177          */
3178         if (fs->super->s_creator_os == EXT2_OS_HURD)
3179                 ext2fs_clear_feature_filetype(fs->super);
3180
3181         /*
3182          * Set the volume label...
3183          */
3184         if (volume_label) {
3185                 memset(fs->super->s_volume_name, 0,
3186                        sizeof(fs->super->s_volume_name));
3187                 strncpy((char *) fs->super->s_volume_name, volume_label,
3188                         sizeof(fs->super->s_volume_name));
3189         }
3190
3191         /*
3192          * Set the last mount directory
3193          */
3194         if (mount_dir) {
3195                 memset(fs->super->s_last_mounted, 0,
3196                        sizeof(fs->super->s_last_mounted));
3197                 strncpy((char *) fs->super->s_last_mounted, mount_dir,
3198                         sizeof(fs->super->s_last_mounted));
3199         }
3200
3201         /* Set current default encryption algorithms for data and
3202          * filename encryption */
3203         if (ext2fs_has_feature_encrypt(fs->super)) {
3204                 fs->super->s_encrypt_algos[0] =
3205                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3206                 fs->super->s_encrypt_algos[1] =
3207                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3208         }
3209
3210         if (ext2fs_has_feature_metadata_csum(fs->super))
3211                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3212
3213         if (!quiet || noaction)
3214                 show_stats(fs);
3215
3216         if (noaction)
3217                 exit(0);
3218
3219         if (ext2fs_has_feature_journal_dev(fs->super)) {
3220                 create_journal_dev(fs);
3221                 printf("\n");
3222                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3223         }
3224
3225         if (bad_blocks_filename)
3226                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3227         if (cflag)
3228                 test_disk(fs, &bb_list);
3229         handle_bad_blocks(fs, bb_list);
3230
3231         fs->stride = fs_stride = fs->super->s_raid_stride;
3232         if (!quiet)
3233                 printf("%s", _("Allocating group tables: "));
3234         if (ext2fs_has_feature_flex_bg(fs->super) &&
3235             packed_meta_blocks)
3236                 retval = packed_allocate_tables(fs);
3237         else
3238                 retval = ext2fs_allocate_tables(fs);
3239         if (retval) {
3240                 com_err(program_name, retval, "%s",
3241                         _("while trying to allocate filesystem tables"));
3242                 exit(1);
3243         }
3244         if (!quiet)
3245                 printf("%s", _("done                            \n"));
3246
3247         /*
3248          * Unmark bad blocks to calculate overhead, because metadata
3249          * blocks and bad blocks can land on the same allocation cluster.
3250          */
3251         if (bb_list) {
3252                 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3253                                                              &bb_iter);
3254                 if (retval) {
3255                         com_err("ext2fs_badblocks_list_iterate_begin", retval,
3256                                 "%s", _("while unmarking bad blocks"));
3257                         exit(1);
3258                 }
3259                 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3260                         ext2fs_unmark_block_bitmap2(fs->block_map, blk);
3261                 ext2fs_badblocks_list_iterate_end(bb_iter);
3262         }
3263
3264         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3265         if (retval) {
3266                 com_err(program_name, retval, "%s",
3267                         _("\n\twhile converting subcluster bitmap"));
3268                 exit(1);
3269         }
3270
3271         retval = ext2fs_count_used_clusters(fs, fs->super->s_first_data_block,
3272                                         ext2fs_blocks_count(fs->super) - 1,
3273                                         &overhead);
3274         if (retval) {
3275                 com_err(program_name, retval, "%s",
3276                         _("while calculating overhead"));
3277                 exit(1);
3278         }
3279
3280         if (bb_list) {
3281                 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3282                                                              &bb_iter);
3283                 if (retval) {
3284                         com_err("ext2fs_badblocks_list_iterate_begin", retval,
3285                                 "%s", _("while marking bad blocks as used"));
3286                         exit(1);
3287                 }
3288                 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3289                         ext2fs_mark_block_bitmap2(fs->block_map, blk);
3290                 ext2fs_badblocks_list_iterate_end(bb_iter);
3291         }
3292
3293         if (super_only) {
3294                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3295                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3296                        device_name);
3297                 if (!force)
3298                         proceed_question(proceed_delay);
3299                 fs->super->s_state |= EXT2_ERROR_FS;
3300                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3301                 /*
3302                  * The command "mke2fs -S" is used to recover
3303                  * corrupted file systems, so do not mark any of the
3304                  * inodes as unused; we want e2fsck to consider all
3305                  * inodes as potentially containing recoverable data.
3306                  */
3307                 if (ext2fs_has_group_desc_csum(fs)) {
3308                         for (i = 0; i < fs->group_desc_count; i++)
3309                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3310                 }
3311         } else {
3312                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3313                 blk64_t rsv = 65536 / fs->blocksize;
3314                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3315                 blk64_t start;
3316                 blk64_t ret_blk;
3317
3318 #ifdef ZAP_BOOTBLOCK
3319                 zap_sector(fs, 0, 2);
3320 #endif
3321
3322                 /*
3323                  * Wipe out any old MD RAID (or other) metadata at the end
3324                  * of the device.  This will also verify that the device is
3325                  * as large as we think.  Be careful with very small devices.
3326                  */
3327                 start = (blocks & ~(rsv - 1));
3328                 if (start > rsv)
3329                         start -= rsv;
3330                 if (start > 0)
3331                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3332                                                     &ret_blk, NULL);
3333
3334                 if (retval) {
3335                         com_err(program_name, retval,
3336                                 _("while zeroing block %llu at end of filesystem"),
3337                                 (unsigned long long) ret_blk);
3338                 }
3339                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3340                 create_root_dir(fs);
3341                 create_lost_and_found(fs);
3342                 reserve_inodes(fs);
3343                 create_bad_block_inode(fs, bb_list);
3344                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3345                         retval = ext2fs_create_resize_inode(fs);
3346                         if (retval) {
3347                                 com_err("ext2fs_create_resize_inode", retval,
3348                                         "%s",
3349                                 _("while reserving blocks for online resize"));
3350                                 exit(1);
3351                         }
3352                 }
3353         }
3354
3355         if (journal_device) {
3356                 ext2_filsys     jfs;
3357
3358                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3359                                         NULL) && !force)
3360                         proceed_question(proceed_delay);
3361                 check_mount(journal_device, force, _("journal"));
3362
3363                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3364                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3365                                      fs->blocksize, unix_io_manager, &jfs);
3366                 if (retval) {
3367                         com_err(program_name, retval,
3368                                 _("while trying to open journal device %s\n"),
3369                                 journal_device);
3370                         exit(1);
3371                 }
3372                 if (!quiet) {
3373                         printf(_("Adding journal to device %s: "),
3374                                journal_device);
3375                         fflush(stdout);
3376                 }
3377                 retval = ext2fs_add_journal_device(fs, jfs);
3378                 if(retval) {
3379                         com_err (program_name, retval,
3380                                  _("\n\twhile trying to add journal to device %s"),
3381                                  journal_device);
3382                         exit(1);
3383                 }
3384                 if (!quiet)
3385                         printf("%s", _("done\n"));
3386                 ext2fs_close_free(&jfs);
3387                 free(journal_device);
3388         } else if ((journal_size) ||
3389                    ext2fs_has_feature_journal(&fs_param)) {
3390                 overhead += EXT2FS_NUM_B2C(fs, jparams.num_journal_blocks + jparams.num_fc_blocks);
3391                 if (super_only) {
3392                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3393                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3394                         goto no_journal;
3395                 }
3396
3397                 if (!jparams.num_journal_blocks) {
3398                         ext2fs_clear_feature_journal(fs->super);
3399                         goto no_journal;
3400                 }
3401                 if (!quiet) {
3402                         printf(_("Creating journal (%u blocks): "),
3403                                jparams.num_journal_blocks + jparams.num_fc_blocks);
3404                         fflush(stdout);
3405                 }
3406                 retval = ext2fs_add_journal_inode3(fs, &jparams,
3407                                                    journal_location,
3408                                                    journal_flags);
3409                 if (retval) {
3410                         com_err(program_name, retval, "%s",
3411                                 _("\n\twhile trying to create journal"));
3412                         exit(1);
3413                 }
3414                 if (!quiet)
3415                         printf("%s", _("done\n"));
3416         }
3417 no_journal:
3418         if (!super_only &&
3419             ext2fs_has_feature_mmp(fs->super)) {
3420                 retval = ext2fs_mmp_init(fs);
3421                 if (retval) {
3422                         fprintf(stderr, "%s",
3423                                 _("\nError while enabling multiple "
3424                                   "mount protection feature."));
3425                         exit(1);
3426                 }
3427                 if (!quiet)
3428                         printf(_("Multiple mount protection is enabled "
3429                                  "with update interval %d seconds.\n"),
3430                                fs->super->s_mmp_update_interval);
3431         }
3432
3433         overhead += fs->super->s_first_data_block;
3434         if (!super_only)
3435                 fs->super->s_overhead_clusters = overhead;
3436
3437         if (ext2fs_has_feature_bigalloc(&fs_param))
3438                 fix_cluster_bg_counts(fs);
3439         if (ext2fs_has_feature_quota(&fs_param))
3440                 create_quota_inodes(fs);
3441
3442         retval = mk_hugefiles(fs, device_name);
3443         if (retval)
3444                 com_err(program_name, retval, "while creating huge files");
3445         /* Copy files from the specified directory */
3446         if (src_root_dir) {
3447                 if (!quiet)
3448                         printf("%s", _("Copying files into the device: "));
3449
3450                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3451                                      EXT2_ROOT_INO);
3452                 if (retval) {
3453                         com_err(program_name, retval, "%s",
3454                                 _("while populating file system"));
3455                         exit(1);
3456                 } else if (!quiet)
3457                         printf("%s", _("done\n"));
3458         }
3459
3460         if (!quiet)
3461                 printf("%s", _("Writing superblocks and "
3462                        "filesystem accounting information: "));
3463         checkinterval = fs->super->s_checkinterval;
3464         max_mnt_count = fs->super->s_max_mnt_count;
3465         retval = ext2fs_close_free(&fs);
3466         if (retval) {
3467                 com_err(program_name, retval, "%s",
3468                         _("while writing out and closing file system"));
3469                 retval = 1;
3470         } else if (!quiet) {
3471                 printf("%s", _("done\n\n"));
3472                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3473                         print_check_message(max_mnt_count, checkinterval);
3474         }
3475
3476         remove_error_table(&et_ext2_error_table);
3477         remove_error_table(&et_prof_error_table);
3478         profile_release(profile);
3479         for (i=0; fs_types[i]; i++)
3480                 free(fs_types[i]);
3481         free(fs_types);
3482         return retval;
3483 }