misc/mke2fs.c

   1 /*
   2  * mke2fs.c - Make a ext2fs filesystem.
   3  *
   4  * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   5  *      2003, 2004, 2005 by Theodore Ts'o.
   6  *
   7  * %Begin-Header%
   8  * This file may be redistributed under the terms of the GNU Public
   9  * License.
  10  * %End-Header%
  11  */
  12
  13 /* Usage: mke2fs [options] device
  14  *
  15  * The device may be a block device or a image of one, but this isn't
  16  * enforced (but it's not much fun on a character device :-).
  17  */
  18
  19 #define _XOPEN_SOURCE 600
  20
  21 #include "config.h"
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <strings.h>
  25 #include <ctype.h>
  26 #include <time.h>
  27 #ifdef HAVE_GETOPT_H
  28 #include <getopt.h>
  29 #else
  30 extern char *optarg;
  31 extern int optind;
  32 #endif
  33 #ifdef HAVE_UNISTD_H
  34 #include <unistd.h>
  35 #endif
  36 #ifdef HAVE_STDLIB_H
  37 #include <stdlib.h>
  38 #endif
  39 #ifdef HAVE_ERRNO_H
  40 #include <errno.h>
  41 #endif
  42 #ifdef HAVE_SYS_IOCTL_H
  43 #include <sys/ioctl.h>
  44 #endif
  45 #include <libgen.h>
  46 #include <limits.h>
  47 #include <blkid/blkid.h>
  48
  49 #include "ext2fs/ext2_fs.h"
  50 #include "ext2fs/ext2fsP.h"
  51 #include "uuid/uuid.h"
  52 #include "util.h"
  53 #include "support/nls-enable.h"
  54 #include "support/plausible.h"
  55 #include "support/profile.h"
  56 #include "support/prof_err.h"
  57 #include "../version.h"
  58 #include "support/quotaio.h"
  59 #include "mke2fs.h"
  60 #include "create_inode.h"
  61
  62 #define STRIDE_LENGTH 8
  63
  64 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
  65
  66 #ifndef __sparc__
  67 #define ZAP_BOOTBLOCK
  68 #endif
  69
  70 #define DISCARD_STEP_MB         (2048)
  71
  72 extern int isatty(int);
  73 extern FILE *fpopen(const char *cmd, const char *mode);
  74
  75 const char * program_name = "mke2fs";
  76 static const char * device_name /* = NULL */;
  77
  78 /* Command line options */
  79 static int      cflag;
  80 int     verbose;
  81 int     quiet;
  82 static int      super_only;
  83 static int      discard = 1;    /* attempt to discard device before fs creation */
  84 static int      direct_io;
  85 static int      force;
  86 static int      noaction;
  87 static int      num_backups = 2; /* number of backup bg's for sparse_super2 */
  88 static uid_t    root_uid;
  89 static gid_t    root_gid;
  90 int     journal_size;
  91 int     journal_flags;
  92 static int      lazy_itable_init;
  93 static int      packed_meta_blocks;
  94 int             no_copy_xattrs;
  95 static char     *bad_blocks_filename = NULL;
  96 static __u32    fs_stride;
  97 /* Initialize usr/grp quotas by default */
  98 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
  99 static __u64    offset;
 100 static blk64_t journal_location = ~0LL;
 101 static int      proceed_delay = -1;
 102 static blk64_t  dev_size;
 103
 104 static struct ext2_super_block fs_param;
 105 static __u32 zero_buf[4];
 106 static char *fs_uuid = NULL;
 107 static char *creator_os;
 108 static char *volume_label;
 109 static char *mount_dir;
 110 char *journal_device;
 111 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 112 char **fs_types;
 113 const char *src_root_dir;  /* Copy files from the specified directory */
 114 static char *undo_file;
 115
 116 static int android_sparse_file; /* -E android_sparse */
 117
 118 static profile_t        profile;
 119
 120 static int sys_page_size = 4096;
 121
 122 static int errors_behavior = 0;
 123
 124 static void usage(void)
 125 {
 126         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 127         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 128         "[-J journal-options]\n"
 129         "\t[-G flex-group-size] [-N number-of-inodes] "
 130         "[-d root-directory]\n"
 131         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 132         "\t[-g blocks-per-group] [-L volume-label] "
 133         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 134         "[-r fs-revision] [-E extended-option[,...]]\n"
 135         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 136         "[-z undo_file]\n"
 137         "\t[-jnqvDFSV] device [blocks-count]\n"),
 138                 program_name);
 139         exit(1);
 140 }
 141
 142 static int int_log2(unsigned long long arg)
 143 {
 144         int     l = 0;
 145
 146         arg >>= 1;
 147         while (arg) {
 148                 l++;
 149                 arg >>= 1;
 150         }
 151         return l;
 152 }
 153
 154 int int_log10(unsigned long long arg)
 155 {
 156         int     l;
 157
 158         for (l=0; arg ; l++)
 159                 arg = arg / 10;
 160         return l;
 161 }
 162
 163 /*
 164  * Helper function for read_bb_file and test_disk
 165  */
 166 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 167 {
 168         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 169         return;
 170 }
 171
 172 /*
 173  * Reads the bad blocks list from a file
 174  */
 175 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 176                          const char *bad_blocks_file)
 177 {
 178         FILE            *f;
 179         errcode_t       retval;
 180
 181         f = fopen(bad_blocks_file, "r");
 182         if (!f) {
 183                 com_err("read_bad_blocks_file", errno,
 184                         _("while trying to open %s"), bad_blocks_file);
 185                 exit(1);
 186         }
 187         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 188         fclose (f);
 189         if (retval) {
 190                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 191                         _("while reading in list of bad blocks from file"));
 192                 exit(1);
 193         }
 194 }
 195
 196 /*
 197  * Runs the badblocks program to test the disk
 198  */
 199 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 200 {
 201         FILE            *f;
 202         errcode_t       retval;
 203         char            buf[1024];
 204
 205         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 206                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 207                 fs->device_name, ext2fs_blocks_count(fs->super)-1);
 208         if (verbose)
 209                 printf(_("Running command: %s\n"), buf);
 210         f = popen(buf, "r");
 211         if (!f) {
 212                 com_err("popen", errno,
 213                         _("while trying to run '%s'"), buf);
 214                 exit(1);
 215         }
 216         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 217         pclose(f);
 218         if (retval) {
 219                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 220                         _("while processing list of bad blocks from program"));
 221                 exit(1);
 222         }
 223 }
 224
 225 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 226 {
 227         dgrp_t                  i;
 228         blk_t                   j;
 229         unsigned                must_be_good;
 230         blk_t                   blk;
 231         badblocks_iterate       bb_iter;
 232         errcode_t               retval;
 233         blk_t                   group_block;
 234         int                     group;
 235         int                     group_bad;
 236
 237         if (!bb_list)
 238                 return;
 239
 240         /*
 241          * The primary superblock and group descriptors *must* be
 242          * good; if not, abort.
 243          */
 244         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 245         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 246                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 247                         fprintf(stderr, _("Block %d in primary "
 248                                 "superblock/group descriptor area bad.\n"), i);
 249                         fprintf(stderr, _("Blocks %u through %u must be good "
 250                                 "in order to build a filesystem.\n"),
 251                                 fs->super->s_first_data_block, must_be_good);
 252                         fputs(_("Aborting....\n"), stderr);
 253                         exit(1);
 254                 }
 255         }
 256
 257         /*
 258          * See if any of the bad blocks are showing up in the backup
 259          * superblocks and/or group descriptors.  If so, issue a
 260          * warning and adjust the block counts appropriately.
 261          */
 262         group_block = fs->super->s_first_data_block +
 263                 fs->super->s_blocks_per_group;
 264
 265         for (i = 1; i < fs->group_desc_count; i++) {
 266                 group_bad = 0;
 267                 for (j=0; j < fs->desc_blocks+1; j++) {
 268                         if (ext2fs_badblocks_list_test(bb_list,
 269                                                        group_block + j)) {
 270                                 if (!group_bad)
 271                                         fprintf(stderr,
 272 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 273 "       bad blocks.\n\n"),
 274                                                 group_block);
 275                                 group_bad++;
 276                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 277                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 278                                 ext2fs_group_desc_csum_set(fs, group);
 279                                 ext2fs_free_blocks_count_add(fs->super, 1);
 280                         }
 281                 }
 282                 group_block += fs->super->s_blocks_per_group;
 283         }
 284
 285         /*
 286          * Mark all the bad blocks as used...
 287          */
 288         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 289         if (retval) {
 290                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 291                         _("while marking bad blocks as used"));
 292                 exit(1);
 293         }
 294         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 295                 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
 296         ext2fs_badblocks_list_iterate_end(bb_iter);
 297 }
 298
 299 static void write_reserved_inodes(ext2_filsys fs)
 300 {
 301         errcode_t       retval;
 302         ext2_ino_t      ino;
 303         struct ext2_inode *inode;
 304
 305         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 306         if (retval) {
 307                 com_err("inode_init", retval, _("while allocating memory"));
 308                 exit(1);
 309         }
 310
 311         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
 312                 retval = ext2fs_write_inode_full(fs, ino, inode,
 313                                                  EXT2_INODE_SIZE(fs->super));
 314                 if (retval) {
 315                         com_err("ext2fs_write_inode_full", retval,
 316                                 _("while writing reserved inodes"));
 317                         exit(1);
 318                 }
 319         }
 320
 321         ext2fs_free_mem(&inode);
 322 }
 323
 324 static errcode_t packed_allocate_tables(ext2_filsys fs)
 325 {
 326         errcode_t       retval;
 327         dgrp_t          i;
 328         blk64_t         goal = 0;
 329
 330         for (i = 0; i < fs->group_desc_count; i++) {
 331                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 332                 if (retval)
 333                         return retval;
 334                 ext2fs_block_alloc_stats2(fs, goal, +1);
 335                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 336         }
 337         for (i = 0; i < fs->group_desc_count; i++) {
 338                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 339                 if (retval)
 340                         return retval;
 341                 ext2fs_block_alloc_stats2(fs, goal, +1);
 342                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 343         }
 344         for (i = 0; i < fs->group_desc_count; i++) {
 345                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 346                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 347                                                  fs->inode_blocks_per_group,
 348                                                  fs->block_map, &goal);
 349                 if (retval)
 350                         return retval;
 351                 ext2fs_block_alloc_stats_range(fs, goal,
 352                                                fs->inode_blocks_per_group, +1);
 353                 ext2fs_inode_table_loc_set(fs, i, goal);
 354                 ext2fs_group_desc_csum_set(fs, i);
 355         }
 356         return 0;
 357 }
 358
 359 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 360 {
 361         errcode_t       retval;
 362         blk64_t         blk;
 363         dgrp_t          i;
 364         int             num;
 365         struct ext2fs_numeric_progress_struct progress;
 366
 367         ext2fs_numeric_progress_init(fs, &progress,
 368                                      _("Writing inode tables: "),
 369                                      fs->group_desc_count);
 370
 371         for (i = 0; i < fs->group_desc_count; i++) {
 372                 ext2fs_numeric_progress_update(fs, &progress, i);
 373
 374                 blk = ext2fs_inode_table_loc(fs, i);
 375                 num = fs->inode_blocks_per_group;
 376
 377                 if (lazy_flag)
 378                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 379                                                ext2fs_bg_itable_unused(fs, i)) *
 380                                               EXT2_INODE_SIZE(fs->super),
 381                                               EXT2_BLOCK_SIZE(fs->super));
 382                 if (!lazy_flag || itable_zeroed) {
 383                         /* The kernel doesn't need to zero the itable blocks */
 384                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 385                         ext2fs_group_desc_csum_set(fs, i);
 386                 }
 387                 if (!itable_zeroed) {
 388                         retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
 389                         if (retval) {
 390                                 fprintf(stderr, _("\nCould not write %d "
 391                                           "blocks in inode table starting at %llu: %s\n"),
 392                                         num, blk, error_message(retval));
 393                                 exit(1);
 394                         }
 395                 }
 396                 if (sync_kludge) {
 397                         if (sync_kludge == 1)
 398                                 io_channel_flush(fs->io);
 399                         else if ((i % sync_kludge) == 0)
 400                                 io_channel_flush(fs->io);
 401                 }
 402         }
 403         ext2fs_numeric_progress_close(fs, &progress,
 404                                       _("done                            \n"));
 405
 406         /* Reserved inodes must always have correct checksums */
 407         if (ext2fs_has_feature_metadata_csum(fs->super))
 408                 write_reserved_inodes(fs);
 409 }
 410
 411 static void create_root_dir(ext2_filsys fs)
 412 {
 413         errcode_t               retval;
 414         struct ext2_inode       inode;
 415
 416         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 417         if (retval) {
 418                 com_err("ext2fs_mkdir", retval, "%s",
 419                         _("while creating root dir"));
 420                 exit(1);
 421         }
 422         if (root_uid != 0 || root_gid != 0) {
 423                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 424                 if (retval) {
 425                         com_err("ext2fs_read_inode", retval, "%s",
 426                                 _("while reading root inode"));
 427                         exit(1);
 428                 }
 429
 430                 inode.i_uid = root_uid;
 431                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 432                 inode.i_gid = root_gid;
 433                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 434
 435                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 436                 if (retval) {
 437                         com_err("ext2fs_write_inode", retval, "%s",
 438                                 _("while setting root inode ownership"));
 439                         exit(1);
 440                 }
 441         }
 442 }
 443
 444 static void create_lost_and_found(ext2_filsys fs)
 445 {
 446         unsigned int            lpf_size = 0;
 447         errcode_t               retval;
 448         ext2_ino_t              ino;
 449         const char              *name = "lost+found";
 450         int                     i;
 451
 452         fs->umask = 077;
 453         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 454         if (retval) {
 455                 com_err("ext2fs_mkdir", retval, "%s",
 456                         _("while creating /lost+found"));
 457                 exit(1);
 458         }
 459
 460         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 461         if (retval) {
 462                 com_err("ext2_lookup", retval, "%s",
 463                         _("while looking up /lost+found"));
 464                 exit(1);
 465         }
 466
 467         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 468                 /* Ensure that lost+found is at least 2 blocks, so we always
 469                  * test large empty blocks for big-block filesystems.  */
 470                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 471                     lpf_size >= 2 * fs->blocksize)
 472                         break;
 473                 retval = ext2fs_expand_dir(fs, ino);
 474                 if (retval) {
 475                         com_err("ext2fs_expand_dir", retval, "%s",
 476                                 _("while expanding /lost+found"));
 477                         exit(1);
 478                 }
 479         }
 480 }
 481
 482 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 483 {
 484         errcode_t       retval;
 485
 486         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 487         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 488         retval = ext2fs_update_bb_inode(fs, bb_list);
 489         if (retval) {
 490                 com_err("ext2fs_update_bb_inode", retval, "%s",
 491                         _("while setting bad block inode"));
 492                 exit(1);
 493         }
 494
 495 }
 496
 497 static void reserve_inodes(ext2_filsys fs)
 498 {
 499         ext2_ino_t      i;
 500
 501         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 502                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 503         ext2fs_mark_ib_dirty(fs);
 504 }
 505
 506 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 507 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 508 #define BSD_LABEL_OFFSET        64
 509
 510 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 511 {
 512         char *buf;
 513         int retval;
 514         unsigned int *magic;
 515
 516         buf = calloc(512, nsect);
 517         if (!buf) {
 518                 printf(_("Out of memory erasing sectors %d-%d\n"),
 519                        sect, sect + nsect - 1);
 520                 exit(1);
 521         }
 522
 523         if (sect == 0) {
 524                 /* Check for a BSD disklabel, and don't erase it if so */
 525                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 526                 if (retval)
 527                         fprintf(stderr,
 528                                 _("Warning: could not read block 0: %s\n"),
 529                                 error_message(retval));
 530                 else {
 531                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 532                         if ((*magic == BSD_DISKMAGIC) ||
 533                             (*magic == BSD_MAGICDISK))
 534                                 return;
 535                 }
 536         }
 537
 538         memset(buf, 0, 512*nsect);
 539         io_channel_set_blksize(fs->io, 512);
 540         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 541         io_channel_set_blksize(fs->io, fs->blocksize);
 542         free(buf);
 543         if (retval)
 544                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 545                         sect, error_message(retval));
 546 }
 547
 548 static void create_journal_dev(ext2_filsys fs)
 549 {
 550         struct ext2fs_numeric_progress_struct progress;
 551         errcode_t               retval;
 552         char                    *buf;
 553         blk64_t                 blk, err_blk;
 554         int                     c, count, err_count;
 555
 556         retval = ext2fs_create_journal_superblock(fs,
 557                                   ext2fs_blocks_count(fs->super), 0, &buf);
 558         if (retval) {
 559                 com_err("create_journal_dev", retval, "%s",
 560                         _("while initializing journal superblock"));
 561                 exit(1);
 562         }
 563
 564         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 565                 goto write_superblock;
 566
 567         ext2fs_numeric_progress_init(fs, &progress,
 568                                      _("Zeroing journal device: "),
 569                                      ext2fs_blocks_count(fs->super));
 570         blk = 0;
 571         count = ext2fs_blocks_count(fs->super);
 572         while (count > 0) {
 573                 if (count > 1024)
 574                         c = 1024;
 575                 else
 576                         c = count;
 577                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 578                 if (retval) {
 579                         com_err("create_journal_dev", retval,
 580                                 _("while zeroing journal device "
 581                                   "(block %llu, count %d)"),
 582                                 err_blk, err_count);
 583                         exit(1);
 584                 }
 585                 blk += c;
 586                 count -= c;
 587                 ext2fs_numeric_progress_update(fs, &progress, blk);
 588         }
 589
 590         ext2fs_numeric_progress_close(fs, &progress, NULL);
 591 write_superblock:
 592         retval = io_channel_write_blk64(fs->io,
 593                                         fs->super->s_first_data_block+1,
 594                                         1, buf);
 595         (void) ext2fs_free_mem(&buf);
 596         if (retval) {
 597                 com_err("create_journal_dev", retval, "%s",
 598                         _("while writing journal superblock"));
 599                 exit(1);
 600         }
 601 }
 602
 603 static void show_stats(ext2_filsys fs)
 604 {
 605         struct ext2_super_block *s = fs->super;
 606         char                    buf[80];
 607         char                    *os;
 608         blk64_t                 group_block;
 609         dgrp_t                  i;
 610         int                     need, col_left;
 611
 612         if (!verbose) {
 613                 printf(_("Creating filesystem with %llu %dk blocks and "
 614                          "%u inodes\n"),
 615                        ext2fs_blocks_count(s), fs->blocksize >> 10,
 616                        s->s_inodes_count);
 617                 goto skip_details;
 618         }
 619
 620         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 621                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 622                        ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
 623
 624         memset(buf, 0, sizeof(buf));
 625         strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
 626         printf(_("Filesystem label=%s\n"), buf);
 627         os = e2p_os2string(fs->super->s_creator_os);
 628         if (os)
 629                 printf(_("OS type: %s\n"), os);
 630         free(os);
 631         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 632                 s->s_log_block_size);
 633         if (ext2fs_has_feature_bigalloc(fs->super))
 634                 printf(_("Cluster size=%u (log=%u)\n"),
 635                        fs->blocksize << fs->cluster_ratio_bits,
 636                        s->s_log_cluster_size);
 637         else
 638                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 639                        s->s_log_cluster_size);
 640         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 641                s->s_raid_stride, s->s_raid_stripe_width);
 642         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 643                ext2fs_blocks_count(s));
 644         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 645                 ext2fs_r_blocks_count(s),
 646                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 647         printf(_("First data block=%u\n"), s->s_first_data_block);
 648         if (root_uid != 0 || root_gid != 0)
 649                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 650         if (s->s_reserved_gdt_blocks)
 651                 printf(_("Maximum filesystem blocks=%lu\n"),
 652                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 653                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 654         if (fs->group_desc_count > 1)
 655                 printf(_("%u block groups\n"), fs->group_desc_count);
 656         else
 657                 printf(_("%u block group\n"), fs->group_desc_count);
 658         if (ext2fs_has_feature_bigalloc(fs->super))
 659                 printf(_("%u blocks per group, %u clusters per group\n"),
 660                        s->s_blocks_per_group, s->s_clusters_per_group);
 661         else
 662                 printf(_("%u blocks per group, %u fragments per group\n"),
 663                        s->s_blocks_per_group, s->s_clusters_per_group);
 664         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 665
 666 skip_details:
 667         if (fs->group_desc_count == 1) {
 668                 printf("\n");
 669                 return;
 670         }
 671
 672         if (!e2p_is_null_uuid(s->s_uuid))
 673                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 674         printf("%s", _("Superblock backups stored on blocks: "));
 675         group_block = s->s_first_data_block;
 676         col_left = 0;
 677         for (i = 1; i < fs->group_desc_count; i++) {
 678                 group_block += s->s_blocks_per_group;
 679                 if (!ext2fs_bg_has_super(fs, i))
 680                         continue;
 681                 if (i != 1)
 682                         printf(", ");
 683                 need = int_log10(group_block) + 2;
 684                 if (need > col_left) {
 685                         printf("\n\t");
 686                         col_left = 72;
 687                 }
 688                 col_left -= need;
 689                 printf("%llu", group_block);
 690         }
 691         printf("\n\n");
 692 }
 693
 694 /*
 695  * Returns true if making a file system for the Hurd, else 0
 696  */
 697 static int for_hurd(const char *os)
 698 {
 699         if (!os) {
 700 #ifdef __GNU__
 701                 return 1;
 702 #else
 703                 return 0;
 704 #endif
 705         }
 706         if (isdigit(*os))
 707                 return (atoi(os) == EXT2_OS_HURD);
 708         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 709 }
 710
 711 /*
 712  * Set the S_CREATOR_OS field.  Return true if OS is known,
 713  * otherwise, 0.
 714  */
 715 static int set_os(struct ext2_super_block *sb, char *os)
 716 {
 717         if (isdigit (*os))
 718                 sb->s_creator_os = atoi (os);
 719         else if (strcasecmp(os, "linux") == 0)
 720                 sb->s_creator_os = EXT2_OS_LINUX;
 721         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 722                 sb->s_creator_os = EXT2_OS_HURD;
 723         else if (strcasecmp(os, "freebsd") == 0)
 724                 sb->s_creator_os = EXT2_OS_FREEBSD;
 725         else if (strcasecmp(os, "lites") == 0)
 726                 sb->s_creator_os = EXT2_OS_LITES;
 727         else
 728                 return 0;
 729         return 1;
 730 }
 731
 732 #define PATH_SET "PATH=/sbin"
 733
 734 static void parse_extended_opts(struct ext2_super_block *param,
 735                                 const char *opts)
 736 {
 737         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 738         int     len;
 739         int     r_usage = 0;
 740         int     ret;
 741         int     encoding = -1;
 742         char    *encoding_flags = NULL;
 743
 744         len = strlen(opts);
 745         buf = malloc(len+1);
 746         if (!buf) {
 747                 fprintf(stderr, "%s",
 748                         _("Couldn't allocate memory to parse options!\n"));
 749                 exit(1);
 750         }
 751         strcpy(buf, opts);
 752         for (token = buf; token && *token; token = next) {
 753                 p = strchr(token, ',');
 754                 next = 0;
 755                 if (p) {
 756                         *p = 0;
 757                         next = p+1;
 758                 }
 759                 arg = strchr(token, '=');
 760                 if (arg) {
 761                         *arg = 0;
 762                         arg++;
 763                 }
 764                 if (strcmp(token, "desc-size") == 0 ||
 765                     strcmp(token, "desc_size") == 0) {
 766                         int desc_size;
 767
 768                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 769                                 fprintf(stderr,
 770                                         _("%s requires '-O 64bit'\n"), token);
 771                                 r_usage++;
 772                                 continue;
 773                         }
 774                         if (param->s_reserved_gdt_blocks != 0) {
 775                                 fprintf(stderr,
 776                                         _("'%s' must be before 'resize=%u'\n"),
 777                                         token, param->s_reserved_gdt_blocks);
 778                                 r_usage++;
 779                                 continue;
 780                         }
 781                         if (!arg) {
 782                                 r_usage++;
 783                                 badopt = token;
 784                                 continue;
 785                         }
 786                         desc_size = strtoul(arg, &p, 0);
 787                         if (*p || (desc_size & (desc_size - 1))) {
 788                                 fprintf(stderr,
 789                                         _("Invalid desc_size: '%s'\n"), arg);
 790                                 r_usage++;
 791                                 continue;
 792                         }
 793                         param->s_desc_size = desc_size;
 794                 } else if (strcmp(token, "hash_seed") == 0) {
 795                         if (!arg) {
 796                                 r_usage++;
 797                                 badopt = token;
 798                                 continue;
 799                         }
 800                         if (uuid_parse(arg,
 801                                 (unsigned char *)param->s_hash_seed) != 0) {
 802                                 fprintf(stderr,
 803                                         _("Invalid hash seed: %s\n"), arg);
 804                                 r_usage++;
 805                                 continue;
 806                         }
 807                 } else if (strcmp(token, "offset") == 0) {
 808                         if (!arg) {
 809                                 r_usage++;
 810                                 badopt = token;
 811                                 continue;
 812                         }
 813                         offset = strtoull(arg, &p, 0);
 814                         if (*p) {
 815                                 fprintf(stderr, _("Invalid offset: %s\n"),
 816                                         arg);
 817                                 r_usage++;
 818                                 continue;
 819                         }
 820                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 821                         if (!arg) {
 822                                 r_usage++;
 823                                 badopt = token;
 824                                 continue;
 825                         }
 826                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 827                         if (*p) {
 828                                 fprintf(stderr,
 829                                         _("Invalid mmp_update_interval: %s\n"),
 830                                         arg);
 831                                 r_usage++;
 832                                 continue;
 833                         }
 834                 } else if (strcmp(token, "no_copy_xattrs") == 0) {
 835                         no_copy_xattrs = 1;
 836                         continue;
 837                 } else if (strcmp(token, "num_backup_sb") == 0) {
 838                         if (!arg) {
 839                                 r_usage++;
 840                                 badopt = token;
 841                                 continue;
 842                         }
 843                         num_backups = strtoul(arg, &p, 0);
 844                         if (*p || num_backups > 2) {
 845                                 fprintf(stderr,
 846                                         _("Invalid # of backup "
 847                                           "superblocks: %s\n"),
 848                                         arg);
 849                                 r_usage++;
 850                                 continue;
 851                         }
 852                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 853                         if (arg)
 854                                 packed_meta_blocks = strtoul(arg, &p, 0);
 855                         else
 856                                 packed_meta_blocks = 1;
 857                         if (packed_meta_blocks)
 858                                 journal_location = 0;
 859                 } else if (strcmp(token, "stride") == 0) {
 860                         if (!arg) {
 861                                 r_usage++;
 862                                 badopt = token;
 863                                 continue;
 864                         }
 865                         param->s_raid_stride = strtoul(arg, &p, 0);
 866                         if (*p) {
 867                                 fprintf(stderr,
 868                                         _("Invalid stride parameter: %s\n"),
 869                                         arg);
 870                                 r_usage++;
 871                                 continue;
 872                         }
 873                 } else if (strcmp(token, "stripe-width") == 0 ||
 874                            strcmp(token, "stripe_width") == 0) {
 875                         if (!arg) {
 876                                 r_usage++;
 877                                 badopt = token;
 878                                 continue;
 879                         }
 880                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 881                         if (*p) {
 882                                 fprintf(stderr,
 883                                         _("Invalid stripe-width parameter: %s\n"),
 884                                         arg);
 885                                 r_usage++;
 886                                 continue;
 887                         }
 888                 } else if (!strcmp(token, "resize")) {
 889                         blk64_t resize;
 890                         unsigned long bpg, rsv_groups;
 891                         unsigned long group_desc_count, desc_blocks;
 892                         unsigned int gdpb, blocksize;
 893                         int rsv_gdb;
 894
 895                         if (!arg) {
 896                                 r_usage++;
 897                                 badopt = token;
 898                                 continue;
 899                         }
 900
 901                         resize = parse_num_blocks2(arg,
 902                                                    param->s_log_block_size);
 903
 904                         if (resize == 0) {
 905                                 fprintf(stderr,
 906                                         _("Invalid resize parameter: %s\n"),
 907                                         arg);
 908                                 r_usage++;
 909                                 continue;
 910                         }
 911                         if (resize <= ext2fs_blocks_count(param)) {
 912                                 fprintf(stderr, "%s",
 913                                         _("The resize maximum must be greater "
 914                                           "than the filesystem size.\n"));
 915                                 r_usage++;
 916                                 continue;
 917                         }
 918
 919                         blocksize = EXT2_BLOCK_SIZE(param);
 920                         bpg = param->s_blocks_per_group;
 921                         if (!bpg)
 922                                 bpg = blocksize * 8;
 923                         gdpb = EXT2_DESC_PER_BLOCK(param);
 924                         group_desc_count = (__u32) ext2fs_div64_ceil(
 925                                 ext2fs_blocks_count(param), bpg);
 926                         desc_blocks = (group_desc_count +
 927                                        gdpb - 1) / gdpb;
 928                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 929                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 930                                 desc_blocks;
 931                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 932                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 933
 934                         if (rsv_gdb > 0) {
 935                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 936                                         fprintf(stderr, "%s",
 937         _("On-line resizing not supported with revision 0 filesystems\n"));
 938                                         free(buf);
 939                                         exit(1);
 940                                 }
 941                                 ext2fs_set_feature_resize_inode(param);
 942
 943                                 param->s_reserved_gdt_blocks = rsv_gdb;
 944                         }
 945                 } else if (!strcmp(token, "test_fs")) {
 946                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 947                 } else if (!strcmp(token, "lazy_itable_init")) {
 948                         if (arg)
 949                                 lazy_itable_init = strtoul(arg, &p, 0);
 950                         else
 951                                 lazy_itable_init = 1;
 952                 } else if (!strcmp(token, "lazy_journal_init")) {
 953                         if (arg)
 954                                 journal_flags |= strtoul(arg, &p, 0) ?
 955                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
 956                         else
 957                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
 958                 } else if (!strcmp(token, "root_owner")) {
 959                         if (arg) {
 960                                 root_uid = strtoul(arg, &p, 0);
 961                                 if (*p != ':') {
 962                                         fprintf(stderr,
 963                                                 _("Invalid root_owner: '%s'\n"),
 964                                                 arg);
 965                                         r_usage++;
 966                                         continue;
 967                                 }
 968                                 p++;
 969                                 root_gid = strtoul(p, &p, 0);
 970                                 if (*p) {
 971                                         fprintf(stderr,
 972                                                 _("Invalid root_owner: '%s'\n"),
 973                                                 arg);
 974                                         r_usage++;
 975                                         continue;
 976                                 }
 977                         } else {
 978                                 root_uid = getuid();
 979                                 root_gid = getgid();
 980                         }
 981                 } else if (!strcmp(token, "discard")) {
 982                         discard = 1;
 983                 } else if (!strcmp(token, "nodiscard")) {
 984                         discard = 0;
 985                 } else if (!strcmp(token, "quotatype")) {
 986                         char *errtok = NULL;
 987
 988                         if (!arg) {
 989                                 r_usage++;
 990                                 badopt = token;
 991                                 continue;
 992                         }
 993                         quotatype_bits = 0;
 994                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
 995                         if (ret) {
 996                                 if (errtok) {
 997                                         fprintf(stderr,
 998                                 "Failed to parse quota type at %s", errtok);
 999                                         free(errtok);
1000                                 } else
1001                                         com_err(program_name, ret,
1002                                                 "while parsing quota type");
1003                                 r_usage++;
1004                                 badopt = token;
1005                                 continue;
1006                         }
1007                 } else if (!strcmp(token, "android_sparse")) {
1008                         android_sparse_file = 1;
1009                 } else if (!strcmp(token, "encoding")) {
1010                         if (!arg) {
1011                                 r_usage++;
1012                                 continue;
1013                         }
1014
1015                         encoding = e2p_str2encoding(arg);
1016                         if (encoding < 0) {
1017                                 fprintf(stderr, _("Invalid encoding: %s"), arg);
1018                                 r_usage++;
1019                                 continue;
1020                         }
1021                         param->s_encoding = encoding;
1022                         ext2fs_set_feature_casefold(param);
1023                 } else if (!strcmp(token, "encoding_flags")) {
1024                         if (!arg) {
1025                                 r_usage++;
1026                                 continue;
1027                         }
1028                         encoding_flags = arg;
1029                 } else {
1030                         r_usage++;
1031                         badopt = token;
1032                 }
1033         }
1034         if (r_usage) {
1035                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1036                         "Extended options are separated by commas, "
1037                         "and may take an argument which\n"
1038                         "\tis set off by an equals ('=') sign.\n\n"
1039                         "Valid extended options are:\n"
1040                         "\tmmp_update_interval=<interval>\n"
1041                         "\tnum_backup_sb=<0|1|2>\n"
1042                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1043                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1044                         "\toffset=<offset to create the file system>\n"
1045                         "\tresize=<resize maximum size in blocks>\n"
1046                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1047                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1048                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1049                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1050                         "\ttest_fs\n"
1051                         "\tdiscard\n"
1052                         "\tnodiscard\n"
1053                         "\tencoding=<encoding>\n"
1054                         "\tencoding_flags=<flags>\n"
1055                         "\tquotatype=<quota type(s) to be enabled>\n\n"),
1056                         badopt ? badopt : "");
1057                 free(buf);
1058                 exit(1);
1059         }
1060         if (param->s_raid_stride &&
1061             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1062                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1063                                   "multiple of stride %u.\n\n"),
1064                         param->s_raid_stripe_width, param->s_raid_stride);
1065
1066         if (ext2fs_has_feature_casefold(param)) {
1067                 param->s_encoding_flags =
1068                         e2p_get_encoding_flags(param->s_encoding);
1069
1070                 if (encoding_flags &&
1071                     e2p_str2encoding_flags(param->s_encoding, encoding_flags,
1072                                            &param->s_encoding_flags)) {
1073                         fprintf(stderr, _("error: Invalid encoding flag: %s\n"),
1074                                 encoding_flags);
1075                         free(buf);
1076                         exit(1);
1077                 }
1078         } else if (encoding_flags) {
1079                 fprintf(stderr, _("error: An encoding must be explicitly "
1080                                   "specified when passing encoding-flags\n"));
1081                 free(buf);
1082                 exit(1);
1083         }
1084
1085         free(buf);
1086 }
1087
1088 static __u32 ok_features[3] = {
1089         /* Compat */
1090         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1091                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1092                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1093                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1094                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1095         /* Incompat */
1096         EXT2_FEATURE_INCOMPAT_FILETYPE|
1097                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1098                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1099                 EXT2_FEATURE_INCOMPAT_META_BG|
1100                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1101                 EXT4_FEATURE_INCOMPAT_EA_INODE|
1102                 EXT4_FEATURE_INCOMPAT_MMP |
1103                 EXT4_FEATURE_INCOMPAT_DIRDATA|
1104                 EXT4_FEATURE_INCOMPAT_64BIT|
1105                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1106                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1107                 EXT4_FEATURE_INCOMPAT_CASEFOLD |
1108                 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1109                 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1110         /* R/O compat */
1111         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1112                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1113                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1114                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1115                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1116                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1117                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1118                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1119                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1120                 EXT4_FEATURE_RO_COMPAT_PROJECT|
1121                 EXT4_FEATURE_RO_COMPAT_VERITY
1122 };
1123
1124
1125 static void syntax_err_report(const char *filename, long err, int line_num)
1126 {
1127         fprintf(stderr,
1128                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1129                 filename, line_num, error_message(err));
1130         exit(1);
1131 }
1132
1133 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1134
1135 static void edit_feature(const char *str, __u32 *compat_array)
1136 {
1137         if (!str)
1138                 return;
1139
1140         if (e2p_edit_feature(str, compat_array, ok_features)) {
1141                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1142                         str);
1143                 exit(1);
1144         }
1145 }
1146
1147 static void edit_mntopts(const char *str, __u32 *mntopts)
1148 {
1149         if (!str)
1150                 return;
1151
1152         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1153                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1154                         str);
1155                 exit(1);
1156         }
1157 }
1158
1159 struct str_list {
1160         char **list;
1161         int num;
1162         int max;
1163 };
1164
1165 static errcode_t init_list(struct str_list *sl)
1166 {
1167         sl->num = 0;
1168         sl->max = 1;
1169         sl->list = malloc((sl->max+1) * sizeof(char *));
1170         if (!sl->list)
1171                 return ENOMEM;
1172         sl->list[0] = 0;
1173         return 0;
1174 }
1175
1176 static errcode_t push_string(struct str_list *sl, const char *str)
1177 {
1178         char **new_list;
1179
1180         if (sl->num >= sl->max) {
1181                 sl->max += 2;
1182                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1183                 if (!new_list)
1184                         return ENOMEM;
1185                 sl->list = new_list;
1186         }
1187         sl->list[sl->num] = malloc(strlen(str)+1);
1188         if (sl->list[sl->num] == 0)
1189                 return ENOMEM;
1190         strcpy(sl->list[sl->num], str);
1191         sl->num++;
1192         sl->list[sl->num] = 0;
1193         return 0;
1194 }
1195
1196 static void print_str_list(char **list)
1197 {
1198         char **cpp;
1199
1200         for (cpp = list; *cpp; cpp++) {
1201                 printf("'%s'", *cpp);
1202                 if (cpp[1])
1203                         fputs(", ", stdout);
1204         }
1205         fputc('\n', stdout);
1206 }
1207
1208 /*
1209  * Return TRUE if the profile has the given subsection
1210  */
1211 static int profile_has_subsection(profile_t prof, const char *section,
1212                                   const char *subsection)
1213 {
1214         void                    *state;
1215         const char              *names[4];
1216         char                    *name;
1217         int                     ret = 0;
1218
1219         names[0] = section;
1220         names[1] = subsection;
1221         names[2] = 0;
1222
1223         if (profile_iterator_create(prof, names,
1224                                     PROFILE_ITER_LIST_SECTION |
1225                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1226                 return 0;
1227
1228         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1229                 free(name);
1230                 ret = 1;
1231         }
1232
1233         profile_iterator_free(&state);
1234         return ret;
1235 }
1236
1237 static char **parse_fs_type(const char *fs_type,
1238                             const char *usage_types,
1239                             struct ext2_super_block *sb,
1240                             blk64_t fs_blocks_count,
1241                             char *progname)
1242 {
1243         const char      *ext_type = 0;
1244         char            *parse_str;
1245         char            *profile_type = 0;
1246         char            *cp, *t;
1247         const char      *size_type;
1248         struct str_list list;
1249         unsigned long long meg;
1250         int             is_hurd = for_hurd(creator_os);
1251
1252         if (init_list(&list))
1253                 return 0;
1254
1255         if (fs_type)
1256                 ext_type = fs_type;
1257         else if (is_hurd)
1258                 ext_type = "ext2";
1259         else if (!strcmp(program_name, "mke3fs"))
1260                 ext_type = "ext3";
1261         else if (!strcmp(program_name, "mke4fs"))
1262                 ext_type = "ext4";
1263         else if (progname) {
1264                 ext_type = strrchr(progname, '/');
1265                 if (ext_type)
1266                         ext_type++;
1267                 else
1268                         ext_type = progname;
1269
1270                 if (!strncmp(ext_type, "mkfs.", 5)) {
1271                         ext_type += 5;
1272                         if (ext_type[0] == 0)
1273                                 ext_type = 0;
1274                 } else
1275                         ext_type = 0;
1276         }
1277
1278         if (!ext_type) {
1279                 profile_get_string(profile, "defaults", "fs_type", 0,
1280                                    "ext2", &profile_type);
1281                 ext_type = profile_type;
1282                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1283                         ext_type = "ext3";
1284         }
1285
1286
1287         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1288             strcmp(ext_type, "ext2")) {
1289                 printf(_("\nYour mke2fs.conf file does not define the "
1290                          "%s filesystem type.\n"), ext_type);
1291                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1292                     !strcmp(ext_type, "ext4dev")) {
1293                         printf("%s", _("You probably need to install an "
1294                                        "updated mke2fs.conf file.\n\n"));
1295                 }
1296                 if (!force) {
1297                         printf("%s", _("Aborting...\n"));
1298                         exit(1);
1299                 }
1300         }
1301
1302         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1303         if (fs_blocks_count < 3 * meg)
1304                 size_type = "floppy";
1305         else if (fs_blocks_count < 512 * meg)
1306                 size_type = "small";
1307         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1308                 size_type = "default";
1309         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1310                 size_type = "big";
1311         else
1312                 size_type = "huge";
1313
1314         if (!usage_types)
1315                 usage_types = size_type;
1316
1317         parse_str = malloc(strlen(usage_types)+1);
1318         if (!parse_str) {
1319                 free(profile_type);
1320                 free(list.list);
1321                 return 0;
1322         }
1323         strcpy(parse_str, usage_types);
1324
1325         if (ext_type)
1326                 push_string(&list, ext_type);
1327         cp = parse_str;
1328         while (1) {
1329                 t = strchr(cp, ',');
1330                 if (t)
1331                         *t = '\0';
1332
1333                 if (*cp) {
1334                         if (profile_has_subsection(profile, "fs_types", cp))
1335                                 push_string(&list, cp);
1336                         else if (strcmp(cp, "default") != 0)
1337                                 fprintf(stderr,
1338                                         _("\nWarning: the fs_type %s is not "
1339                                           "defined in mke2fs.conf\n\n"),
1340                                         cp);
1341                 }
1342                 if (t)
1343                         cp = t+1;
1344                 else
1345                         break;
1346         }
1347         free(parse_str);
1348         free(profile_type);
1349         if (is_hurd)
1350                 push_string(&list, "hurd");
1351         return (list.list);
1352 }
1353
1354 char *get_string_from_profile(char **types, const char *opt,
1355                                      const char *def_val)
1356 {
1357         char *ret = 0;
1358         int i;
1359
1360         for (i=0; types[i]; i++);
1361         for (i-=1; i >=0 ; i--) {
1362                 profile_get_string(profile, "fs_types", types[i],
1363                                    opt, 0, &ret);
1364                 if (ret)
1365                         return ret;
1366         }
1367         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1368         return (ret);
1369 }
1370
1371 int get_int_from_profile(char **types, const char *opt, int def_val)
1372 {
1373         int ret;
1374         char **cpp;
1375
1376         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1377         for (cpp = types; *cpp; cpp++)
1378                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1379         return ret;
1380 }
1381
1382 static unsigned int get_uint_from_profile(char **types, const char *opt,
1383                                         unsigned int def_val)
1384 {
1385         unsigned int ret;
1386         char **cpp;
1387
1388         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1389         for (cpp = types; *cpp; cpp++)
1390                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1391         return ret;
1392 }
1393
1394 static double get_double_from_profile(char **types, const char *opt,
1395                                       double def_val)
1396 {
1397         double ret;
1398         char **cpp;
1399
1400         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1401         for (cpp = types; *cpp; cpp++)
1402                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1403         return ret;
1404 }
1405
1406 int get_bool_from_profile(char **types, const char *opt, int def_val)
1407 {
1408         int ret;
1409         char **cpp;
1410
1411         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1412         for (cpp = types; *cpp; cpp++)
1413                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1414         return ret;
1415 }
1416
1417 extern const char *mke2fs_default_profile;
1418 static const char *default_files[] = { "<default>", 0 };
1419
1420 #define OPTIMIZED_STRIPE_WIDTH  512
1421 #define OPTIMIZED_STRIDE        512
1422
1423 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1424 /*
1425  * Sets the geometry of a device (stripe/stride), and returns the
1426  * device's alignment offset, if any, or a negative error.
1427  */
1428 static int get_device_geometry(const char *file,
1429                                struct ext2_super_block *param,
1430                                unsigned int psector_size)
1431 {
1432         int rc = -1;
1433         unsigned int blocksize;
1434         blkid_probe pr;
1435         blkid_topology tp;
1436         unsigned long min_io;
1437         unsigned long opt_io;
1438         struct stat statbuf;
1439
1440         /* Nothing to do for a regular file */
1441         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1442                 return 0;
1443
1444         pr = blkid_new_probe_from_filename(file);
1445         if (!pr)
1446                 goto out;
1447
1448         tp = blkid_probe_get_topology(pr);
1449         if (!tp)
1450                 goto out;
1451
1452         min_io = blkid_topology_get_minimum_io_size(tp);
1453         if (min_io > OPTIMIZED_STRIDE) {
1454                 fprintf(stdout,
1455                         "detected raid stride %lu too large, use optimum %lu\n",
1456                         min_io, OPTIMIZED_STRIDE);
1457                 min_io = OPTIMIZED_STRIDE;
1458         }
1459         opt_io = blkid_topology_get_optimal_io_size(tp);
1460         if (opt_io > OPTIMIZED_STRIPE_WIDTH) {
1461                 fprintf(stdout,
1462                         "detected raid stripe width %lu too large, use optimum %lu\n",
1463                         opt_io, OPTIMIZED_STRIPE_WIDTH);
1464                 opt_io = OPTIMIZED_STRIPE_WIDTH;
1465         }
1466         blocksize = EXT2_BLOCK_SIZE(param);
1467         if ((min_io == 0) && (psector_size > blocksize))
1468                 min_io = psector_size;
1469         if ((opt_io == 0) && min_io)
1470                 opt_io = min_io;
1471         if ((opt_io == 0) && (psector_size > blocksize))
1472                 opt_io = psector_size;
1473
1474         /* setting stripe/stride to blocksize is pointless */
1475         if (min_io > blocksize)
1476                 param->s_raid_stride = min_io / blocksize;
1477         if (opt_io > blocksize)
1478                 param->s_raid_stripe_width = opt_io / blocksize;
1479
1480         rc = blkid_topology_get_alignment_offset(tp);
1481 out:
1482         blkid_free_probe(pr);
1483         return rc;
1484 }
1485 #endif
1486
1487 static void PRS(int argc, char *argv[])
1488 {
1489         int             b, c, flags;
1490         int             cluster_size = 0;
1491         char            *tmp, **cpp;
1492         int             explicit_fssize = 0;
1493         int             blocksize = 0;
1494         int             inode_ratio = 0;
1495         int             inode_size = 0;
1496         unsigned long   flex_bg_size = 0;
1497         double          reserved_ratio = -1.0;
1498         int             lsector_size = 0, psector_size = 0;
1499         int             show_version_only = 0, is_device = 0;
1500         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1501         errcode_t       retval;
1502         char *          oldpath = getenv("PATH");
1503         char *          extended_opts = 0;
1504         char *          fs_type = 0;
1505         char *          usage_types = 0;
1506         /*
1507          * NOTE: A few words about fs_blocks_count and blocksize:
1508          *
1509          * Initially, blocksize is set to zero, which implies 1024.
1510          * If -b is specified, blocksize is updated to the user's value.
1511          *
1512          * Next, the device size or the user's "blocks" command line argument
1513          * is used to set fs_blocks_count; the units are blocksize.
1514          *
1515          * Later, if blocksize hasn't been set and the profile specifies a
1516          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1517          * appropriately.  Note the change in units!
1518          *
1519          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1520          */
1521         blk64_t         fs_blocks_count = 0;
1522         long            sysval;
1523         int             s_opt = -1, r_opt = -1;
1524         char            *fs_features = 0;
1525         int             fs_features_size = 0;
1526         int             use_bsize;
1527         char            *newpath;
1528         int             pathlen = sizeof(PATH_SET) + 1;
1529
1530         if (oldpath)
1531                 pathlen += strlen(oldpath);
1532         newpath = malloc(pathlen);
1533         if (!newpath) {
1534                 fprintf(stderr, "%s",
1535                         _("Couldn't allocate memory for new PATH.\n"));
1536                 exit(1);
1537         }
1538         strcpy(newpath, PATH_SET);
1539
1540         /* Update our PATH to include /sbin  */
1541         if (oldpath) {
1542                 strcat (newpath, ":");
1543                 strcat (newpath, oldpath);
1544         }
1545         putenv (newpath);
1546
1547         /* Determine the system page size if possible */
1548 #ifdef HAVE_SYSCONF
1549 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1550 #define _SC_PAGESIZE _SC_PAGE_SIZE
1551 #endif
1552 #ifdef _SC_PAGESIZE
1553         sysval = sysconf(_SC_PAGESIZE);
1554         if (sysval > 0)
1555                 sys_page_size = sysval;
1556 #endif /* _SC_PAGESIZE */
1557 #endif /* HAVE_SYSCONF */
1558
1559         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1560                 config_fn[0] = tmp;
1561         profile_set_syntax_err_cb(syntax_err_report);
1562         retval = profile_init(config_fn, &profile);
1563         if (retval == ENOENT) {
1564                 retval = profile_init(default_files, &profile);
1565                 if (retval)
1566                         goto profile_error;
1567                 retval = profile_set_default(profile, mke2fs_default_profile);
1568                 if (retval)
1569                         goto profile_error;
1570         } else if (retval) {
1571 profile_error:
1572                 fprintf(stderr, _("Couldn't init profile successfully"
1573                                   " (error: %ld).\n"), retval);
1574                 exit(1);
1575         }
1576
1577         setbuf(stdout, NULL);
1578         setbuf(stderr, NULL);
1579         add_error_table(&et_ext2_error_table);
1580         add_error_table(&et_prof_error_table);
1581         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1582         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1583
1584         if (ext2fs_is_before_linux_ver(2, 2, 0))
1585                 fs_param.s_rev_level = 0;
1586
1587         if (argc && *argv) {
1588                 program_name = get_progname(*argv);
1589
1590                 /* If called as mkfs.ext3, create a journal inode */
1591                 if (!strcmp(program_name, "mkfs.ext3") ||
1592                     !strcmp(program_name, "mke3fs"))
1593                         journal_size = -1;
1594         }
1595
1596         while ((c = getopt (argc, argv,
1597                     "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) {
1598                 switch (c) {
1599                 case 'b':
1600                         blocksize = parse_num_blocks2(optarg, -1);
1601                         b = (blocksize > 0) ? blocksize : -blocksize;
1602                         if (b < EXT2_MIN_BLOCK_SIZE ||
1603                             b > EXT2_MAX_BLOCK_SIZE) {
1604                                 com_err(program_name, 0,
1605                                         _("invalid block size - %s"), optarg);
1606                                 exit(1);
1607                         }
1608                         if (blocksize > 4096)
1609                                 fprintf(stderr, _("Warning: blocksize %d not "
1610                                                   "usable on most systems.\n"),
1611                                         blocksize);
1612                         if (blocksize > 0)
1613                                 fs_param.s_log_block_size =
1614                                         int_log2(blocksize >>
1615                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1616                         break;
1617                 case 'c':       /* Check for bad blocks */
1618                         cflag++;
1619                         break;
1620                 case 'C':
1621                         cluster_size = parse_num_blocks2(optarg, -1);
1622                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1623                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1624                                 com_err(program_name, 0,
1625                                         _("invalid cluster size - %s"),
1626                                         optarg);
1627                                 exit(1);
1628                         }
1629                         break;
1630                 case 'd':
1631                         src_root_dir = optarg;
1632                         break;
1633                 case 'D':
1634                         direct_io = 1;
1635                         break;
1636                 case 'R':
1637                         com_err(program_name, 0, "%s",
1638                                 _("'-R' is deprecated, use '-E' instead"));
1639                         /* fallthrough */
1640                 case 'E':
1641                         extended_opts = optarg;
1642                         break;
1643                 case 'e':
1644                         if (strcmp(optarg, "continue") == 0)
1645                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1646                         else if (strcmp(optarg, "remount-ro") == 0)
1647                                 errors_behavior = EXT2_ERRORS_RO;
1648                         else if (strcmp(optarg, "panic") == 0)
1649                                 errors_behavior = EXT2_ERRORS_PANIC;
1650                         else {
1651                                 com_err(program_name, 0,
1652                                         _("bad error behavior - %s"),
1653                                         optarg);
1654                                 usage();
1655                         }
1656                         break;
1657                 case 'F':
1658                         force++;
1659                         break;
1660                 case 'g':
1661                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1662                         if (*tmp) {
1663                                 com_err(program_name, 0, "%s",
1664                                 _("Illegal number for blocks per group"));
1665                                 exit(1);
1666                         }
1667                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1668                                 com_err(program_name, 0, "%s",
1669                                 _("blocks per group must be multiple of 8"));
1670                                 exit(1);
1671                         }
1672                         break;
1673                 case 'G':
1674                         flex_bg_size = strtoul(optarg, &tmp, 0);
1675                         if (*tmp) {
1676                                 com_err(program_name, 0, "%s",
1677                                         _("Illegal number for flex_bg size"));
1678                                 exit(1);
1679                         }
1680                         if (flex_bg_size < 1 ||
1681                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1682                                 com_err(program_name, 0, "%s",
1683                                         _("flex_bg size must be a power of 2"));
1684                                 exit(1);
1685                         }
1686                         if (flex_bg_size > MAX_32_NUM) {
1687                                 com_err(program_name, 0,
1688                                 _("flex_bg size (%lu) must be less than"
1689                                 " or equal to 2^31"), flex_bg_size);
1690                                 exit(1);
1691                         }
1692                         break;
1693                 case 'i':
1694                         inode_ratio = parse_num_blocks(optarg, -1);
1695                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1696                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1697                                 com_err(program_name, 0,
1698                                         _("invalid inode ratio %s (min %d/max %d)"),
1699                                         optarg, EXT2_MIN_BLOCK_SIZE,
1700                                         EXT2_MAX_BLOCK_SIZE * 1024);
1701                                 exit(1);
1702                         }
1703                         break;
1704                 case 'I':
1705                         inode_size = strtoul(optarg, &tmp, 0);
1706                         if (*tmp) {
1707                                 com_err(program_name, 0,
1708                                         _("invalid inode size - %s"), optarg);
1709                                 exit(1);
1710                         }
1711                         break;
1712                 case 'j':
1713                         if (!journal_size)
1714                                 journal_size = -1;
1715                         break;
1716                 case 'J':
1717                         parse_journal_opts(optarg);
1718                         break;
1719                 case 'K':
1720                         fprintf(stderr, "%s",
1721                                 _("Warning: -K option is deprecated and "
1722                                   "should not be used anymore. Use "
1723                                   "\'-E nodiscard\' extended option "
1724                                   "instead!\n"));
1725                         discard = 0;
1726                         break;
1727                 case 'l':
1728                         bad_blocks_filename = realloc(bad_blocks_filename,
1729                                                       strlen(optarg) + 1);
1730                         if (!bad_blocks_filename) {
1731                                 com_err(program_name, ENOMEM, "%s",
1732                                         _("in malloc for bad_blocks_filename"));
1733                                 exit(1);
1734                         }
1735                         strcpy(bad_blocks_filename, optarg);
1736                         break;
1737                 case 'L':
1738                         volume_label = optarg;
1739                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1740                                 volume_label[EXT2_LABEL_LEN] = '\0';
1741                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1742                                         volume_label);
1743                         }
1744                         break;
1745                 case 'm':
1746                         reserved_ratio = strtod(optarg, &tmp);
1747                         if ( *tmp || reserved_ratio > 50 ||
1748                              reserved_ratio < 0) {
1749                                 com_err(program_name, 0,
1750                                         _("invalid reserved blocks percent - %s"),
1751                                         optarg);
1752                                 exit(1);
1753                         }
1754                         break;
1755                 case 'M':
1756                         mount_dir = optarg;
1757                         break;
1758                 case 'n':
1759                         noaction++;
1760                         break;
1761                 case 'N':
1762                         num_inodes = strtoul(optarg, &tmp, 0);
1763                         if (*tmp) {
1764                                 com_err(program_name, 0,
1765                                         _("bad num inodes - %s"), optarg);
1766                                         exit(1);
1767                         }
1768                         break;
1769                 case 'o':
1770                         creator_os = optarg;
1771                         break;
1772                 case 'O':
1773                         retval = ext2fs_resize_mem(fs_features_size,
1774                                    fs_features_size + 1 + strlen(optarg),
1775                                                    &fs_features);
1776                         if (retval) {
1777                                 com_err(program_name, retval,
1778                                      _("while allocating fs_feature string"));
1779                                 exit(1);
1780                         }
1781                         if (fs_features_size)
1782                                 strcat(fs_features, ",");
1783                         else
1784                                 fs_features[0] = 0;
1785                         strcat(fs_features, optarg);
1786                         fs_features_size += 1 + strlen(optarg);
1787                         break;
1788                 case 'q':
1789                         quiet = 1;
1790                         break;
1791                 case 'r':
1792                         r_opt = strtoul(optarg, &tmp, 0);
1793                         if (*tmp) {
1794                                 com_err(program_name, 0,
1795                                         _("bad revision level - %s"), optarg);
1796                                 exit(1);
1797                         }
1798                         if (r_opt > EXT2_MAX_SUPP_REV) {
1799                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1800                                         _("while trying to create revision %d"), r_opt);
1801                                 exit(1);
1802                         }
1803                         fs_param.s_rev_level = r_opt;
1804                         break;
1805                 case 's':       /* deprecated */
1806                         s_opt = atoi(optarg);
1807                         break;
1808                 case 'S':
1809                         super_only = 1;
1810                         break;
1811                 case 't':
1812                         if (fs_type) {
1813                                 com_err(program_name, 0, "%s",
1814                                     _("The -t option may only be used once"));
1815                                 exit(1);
1816                         }
1817                         fs_type = strdup(optarg);
1818                         break;
1819                 case 'T':
1820                         if (usage_types) {
1821                                 com_err(program_name, 0, "%s",
1822                                     _("The -T option may only be used once"));
1823                                 exit(1);
1824                         }
1825                         usage_types = strdup(optarg);
1826                         break;
1827                 case 'U':
1828                         fs_uuid = optarg;
1829                         break;
1830                 case 'v':
1831                         verbose = 1;
1832                         break;
1833                 case 'V':
1834                         /* Print version number and exit */
1835                         show_version_only++;
1836                         break;
1837                 case 'z':
1838                         undo_file = optarg;
1839                         break;
1840                 default:
1841                         usage();
1842                 }
1843         }
1844         if ((optind == argc) && !show_version_only)
1845                 usage();
1846         device_name = argv[optind++];
1847
1848         if (!quiet || show_version_only)
1849                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1850                          E2FSPROGS_DATE);
1851
1852         if (show_version_only) {
1853                 fprintf(stderr, _("\tUsing %s\n"),
1854                         error_message(EXT2_ET_BASE));
1855                 exit(0);
1856         }
1857
1858         /*
1859          * If there's no blocksize specified and there is a journal
1860          * device, use it to figure out the blocksize
1861          */
1862         if (blocksize <= 0 && journal_device) {
1863                 ext2_filsys     jfs;
1864                 io_manager      io_ptr;
1865
1866 #ifdef CONFIG_TESTIO_DEBUG
1867                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1868                         io_ptr = test_io_manager;
1869                         test_io_backing_manager = unix_io_manager;
1870                 } else
1871 #endif
1872                         io_ptr = unix_io_manager;
1873                 retval = ext2fs_open(journal_device,
1874                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1875                                      0, io_ptr, &jfs);
1876                 if (retval) {
1877                         com_err(program_name, retval,
1878                                 _("while trying to open journal device %s\n"),
1879                                 journal_device);
1880                         exit(1);
1881                 }
1882                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1883                         com_err(program_name, 0,
1884                                 _("Journal dev blocksize (%d) smaller than "
1885                                   "minimum blocksize %d\n"), jfs->blocksize,
1886                                 -blocksize);
1887                         exit(1);
1888                 }
1889                 blocksize = jfs->blocksize;
1890                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1891                 fs_param.s_log_block_size =
1892                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1893                 ext2fs_close_free(&jfs);
1894         }
1895
1896         if (optind < argc) {
1897                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1898                                                    fs_param.s_log_block_size);
1899                 if (!fs_blocks_count) {
1900                         com_err(program_name, 0,
1901                                 _("invalid blocks '%s' on device '%s'"),
1902                                 argv[optind - 1], device_name);
1903                         exit(1);
1904                 }
1905         }
1906         if (optind < argc)
1907                 usage();
1908
1909         profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1910                             &sync_kludge);
1911         tmp = getenv("MKE2FS_SYNC");
1912         if (tmp)
1913                 sync_kludge = atoi(tmp);
1914
1915         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1916                             &proceed_delay);
1917
1918         /* The isatty() test is so we don't break existing scripts */
1919         flags = CREATE_FILE;
1920         if (isatty(0) && isatty(1) && !offset)
1921                 flags |= CHECK_FS_EXIST;
1922         if (!quiet)
1923                 flags |= VERBOSE_CREATE;
1924         if (fs_blocks_count == 0)
1925                 flags |= NO_SIZE;
1926         else
1927                 explicit_fssize = 1;
1928         if (!check_plausibility(device_name, flags, &is_device) && !force)
1929                 proceed_question(proceed_delay);
1930
1931         check_mount(device_name, force, _("filesystem"));
1932
1933         /* Determine the size of the device (if possible) */
1934         if (noaction && fs_blocks_count) {
1935                 dev_size = fs_blocks_count;
1936                 retval = 0;
1937         } else
1938 #ifndef _WIN32
1939                 retval = ext2fs_get_device_size2(device_name,
1940                                                  EXT2_BLOCK_SIZE(&fs_param),
1941                                                  &dev_size);
1942 #else
1943                 retval = ext2fs_get_device_size(device_name,
1944                                                 EXT2_BLOCK_SIZE(&fs_param),
1945                                                 &dev_size);
1946 #endif
1947         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1948                 com_err(program_name, retval, "%s",
1949                         _("while trying to determine filesystem size"));
1950                 exit(1);
1951         }
1952         if (!fs_blocks_count) {
1953                 if (retval == EXT2_ET_UNIMPLEMENTED) {
1954                         com_err(program_name, 0, "%s",
1955                                 _("Couldn't determine device size; you "
1956                                 "must specify\nthe size of the "
1957                                 "filesystem\n"));
1958                         exit(1);
1959                 } else {
1960                         if (dev_size == 0) {
1961                                 com_err(program_name, 0, "%s",
1962                                 _("Device size reported to be zero.  "
1963                                   "Invalid partition specified, or\n\t"
1964                                   "partition table wasn't reread "
1965                                   "after running fdisk, due to\n\t"
1966                                   "a modified partition being busy "
1967                                   "and in use.  You may need to reboot\n\t"
1968                                   "to re-read your partition table.\n"
1969                                   ));
1970                                 exit(1);
1971                         }
1972                         fs_blocks_count = dev_size;
1973                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1974                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1975                                              EXT2_BLOCK_SIZE(&fs_param))-1));
1976                 }
1977         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1978                 com_err(program_name, 0, "%s",
1979                         _("Filesystem larger than apparent device size."));
1980                 proceed_question(proceed_delay);
1981         }
1982
1983         if (!fs_type)
1984                 profile_get_string(profile, "devices", device_name,
1985                                    "fs_type", 0, &fs_type);
1986         if (!usage_types)
1987                 profile_get_string(profile, "devices", device_name,
1988                                    "usage_types", 0, &usage_types);
1989
1990         /*
1991          * We have the file system (or device) size, so we can now
1992          * determine the appropriate file system types so the fs can
1993          * be appropriately configured.
1994          */
1995         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1996                                  fs_blocks_count, argv[0]);
1997         if (!fs_types) {
1998                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1999                 exit(1);
2000         }
2001
2002         /* Figure out what features should be enabled */
2003
2004         tmp = NULL;
2005         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
2006                 tmp = get_string_from_profile(fs_types, "base_features",
2007                       "sparse_super,large_file,filetype,resize_inode,dir_index");
2008                 edit_feature(tmp, &fs_param.s_feature_compat);
2009                 free(tmp);
2010
2011                 /* And which mount options as well */
2012                 tmp = get_string_from_profile(fs_types, "default_mntopts",
2013                                               "acl,user_xattr");
2014                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
2015                 if (tmp)
2016                         free(tmp);
2017
2018                 for (cpp = fs_types; *cpp; cpp++) {
2019                         tmp = NULL;
2020                         profile_get_string(profile, "fs_types", *cpp,
2021                                            "features", "", &tmp);
2022                         if (tmp && *tmp)
2023                                 edit_feature(tmp, &fs_param.s_feature_compat);
2024                         if (tmp)
2025                                 free(tmp);
2026                 }
2027                 tmp = get_string_from_profile(fs_types, "default_features",
2028                                               "");
2029         }
2030         /* Mask off features which aren't supported by the Hurd */
2031         if (for_hurd(creator_os)) {
2032                 ext2fs_clear_feature_filetype(&fs_param);
2033                 ext2fs_clear_feature_huge_file(&fs_param);
2034                 ext2fs_clear_feature_metadata_csum(&fs_param);
2035                 ext2fs_clear_feature_ea_inode(&fs_param);
2036                 ext2fs_clear_feature_casefold(&fs_param);
2037         }
2038         edit_feature(fs_features ? fs_features : tmp,
2039                      &fs_param.s_feature_compat);
2040         if (tmp)
2041                 free(tmp);
2042         (void) ext2fs_free_mem(&fs_features);
2043         /*
2044          * If the user specified features incompatible with the Hurd, complain
2045          */
2046         if (for_hurd(creator_os)) {
2047                 if (ext2fs_has_feature_filetype(&fs_param)) {
2048                         fprintf(stderr, "%s", _("The HURD does not support the "
2049                                                 "filetype feature.\n"));
2050                         exit(1);
2051                 }
2052                 if (ext2fs_has_feature_huge_file(&fs_param)) {
2053                         fprintf(stderr, "%s", _("The HURD does not support the "
2054                                                 "huge_file feature.\n"));
2055                         exit(1);
2056                 }
2057                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2058                         fprintf(stderr, "%s", _("The HURD does not support the "
2059                                                 "metadata_csum feature.\n"));
2060                         exit(1);
2061                 }
2062                 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2063                         fprintf(stderr, "%s", _("The HURD does not support the "
2064                                                 "ea_inode feature.\n"));
2065                         exit(1);
2066                 }
2067         }
2068
2069         /* Get the hardware sector sizes, if available */
2070         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2071         if (retval) {
2072                 com_err(program_name, retval, "%s",
2073                         _("while trying to determine hardware sector size"));
2074                 exit(1);
2075         }
2076         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2077         if (retval) {
2078                 com_err(program_name, retval, "%s",
2079                         _("while trying to determine physical sector size"));
2080                 exit(1);
2081         }
2082
2083         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2084         if (tmp != NULL)
2085                 lsector_size = atoi(tmp);
2086         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2087         if (tmp != NULL)
2088                 psector_size = atoi(tmp);
2089
2090         /* Older kernels may not have physical/logical distinction */
2091         if (!psector_size)
2092                 psector_size = lsector_size;
2093
2094         if (blocksize <= 0) {
2095                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2096
2097                 if (use_bsize == -1) {
2098                         use_bsize = sys_page_size;
2099                         if (ext2fs_is_before_linux_ver(2, 6, 0) &&
2100                             use_bsize > 4096)
2101                                 use_bsize = 4096;
2102                 }
2103                 if (lsector_size && use_bsize < lsector_size)
2104                         use_bsize = lsector_size;
2105                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2106                         use_bsize = -blocksize;
2107                 blocksize = use_bsize;
2108                 fs_blocks_count /= (blocksize / 1024);
2109         } else {
2110                 if (blocksize < lsector_size) {                 /* Impossible */
2111                         com_err(program_name, EINVAL, "%s",
2112                                 _("while setting blocksize; too small "
2113                                   "for device\n"));
2114                         exit(1);
2115                 } else if ((blocksize < psector_size) &&
2116                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2117                         fprintf(stderr, _("Warning: specified blocksize %d is "
2118                                 "less than device physical sectorsize %d\n"),
2119                                 blocksize, psector_size);
2120                 }
2121         }
2122
2123         fs_param.s_log_block_size =
2124                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2125
2126         /*
2127          * We now need to do a sanity check of fs_blocks_count for
2128          * 32-bit vs 64-bit block number support.
2129          */
2130         if (fs_blocks_count > MAX_32_NUM) {
2131                 if (!ext2fs_has_feature_64bit(&fs_param) &&
2132                     get_bool_from_profile(fs_types, "auto_64-bit_support", 0))
2133                         ext2fs_set_feature_64bit(&fs_param);
2134
2135                 if (ext2fs_has_feature_64bit(&fs_param)) {
2136                         ext2fs_clear_feature_resize_inode(&fs_param);
2137                 } else {
2138                         fprintf(stderr,
2139                                 _("%s: Size of device (0x%llx blocks) %s "
2140                                   "too big to be expressed\n\t"
2141                                   "in 32 bits using a blocksize of %d.\n"),
2142                                 program_name, fs_blocks_count, device_name,
2143                                 EXT2_BLOCK_SIZE(&fs_param));
2144                         exit(1);
2145                 }
2146         }
2147
2148         /*
2149          * Guard against group descriptor count overflowing... Mostly to avoid
2150          * strange results for absurdly large devices.  This is in log2:
2151          * (blocksize) * (bits per byte) * (maximum number of block groups)
2152          */
2153         if (fs_blocks_count >
2154             (1ULL << (EXT2_BLOCK_SIZE_BITS(&fs_param) + 3 + 32)) - 1) {
2155                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2156                                   "too big to create\n\t"
2157                                   "a filesystem using a blocksize of %d.\n"),
2158                         program_name, fs_blocks_count, device_name,
2159                         EXT2_BLOCK_SIZE(&fs_param));
2160                 exit(1);
2161         }
2162
2163         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2164
2165         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2166                 int i;
2167
2168                 for (i=0; fs_types[i]; i++) {
2169                         free(fs_types[i]);
2170                         fs_types[i] = 0;
2171                 }
2172                 fs_types[0] = strdup("journal");
2173                 fs_types[1] = 0;
2174         }
2175
2176         if (verbose) {
2177                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2178                 print_str_list(fs_types);
2179         }
2180
2181         if (r_opt == EXT2_GOOD_OLD_REV &&
2182             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2183              fs_param.s_feature_ro_compat)) {
2184                 fprintf(stderr, "%s", _("Filesystem features not supported "
2185                                         "with revision 0 filesystems\n"));
2186                 exit(1);
2187         }
2188
2189         if (s_opt > 0) {
2190                 if (r_opt == EXT2_GOOD_OLD_REV) {
2191                         fprintf(stderr, "%s",
2192                                 _("Sparse superblocks not supported "
2193                                   "with revision 0 filesystems\n"));
2194                         exit(1);
2195                 }
2196                 ext2fs_set_feature_sparse_super(&fs_param);
2197         } else if (s_opt == 0)
2198                 ext2fs_clear_feature_sparse_super(&fs_param);
2199
2200         if (journal_size != 0) {
2201                 if (r_opt == EXT2_GOOD_OLD_REV) {
2202                         fprintf(stderr, "%s", _("Journals not supported with "
2203                                                 "revision 0 filesystems\n"));
2204                         exit(1);
2205                 }
2206                 ext2fs_set_feature_journal(&fs_param);
2207         }
2208
2209         /* Get reserved_ratio from profile if not specified on cmd line. */
2210         if (reserved_ratio < 0.0) {
2211                 reserved_ratio = get_double_from_profile(
2212                                         fs_types, "reserved_ratio", 5.0);
2213                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2214                         com_err(program_name, 0,
2215                                 _("invalid reserved blocks percent - %lf"),
2216                                 reserved_ratio);
2217                         exit(1);
2218                 }
2219         }
2220
2221         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2222                 reserved_ratio = 0;
2223                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2224                 fs_param.s_feature_compat = 0;
2225                 fs_param.s_feature_ro_compat &=
2226                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2227         }
2228
2229         /* Check the user's mkfs options for 64bit */
2230         if (fs_blocks_count > MAX_32_NUM &&
2231             !ext2fs_has_feature_extents(&fs_param)) {
2232                 printf("%s", _("Extents MUST be enabled for filesystems with "
2233                                "over 2^32 blocks. Use '-O extents' to fix.\n"));
2234                 exit(1);
2235         }
2236
2237         /* Set first meta blockgroup via an environment variable */
2238         /* (this is mostly for debugging purposes) */
2239         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2240             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2241                 fs_param.s_first_meta_bg = atoi(tmp);
2242         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2243                 if (!cluster_size)
2244                         cluster_size = get_int_from_profile(fs_types,
2245                                                             "cluster_size",
2246                                                             blocksize*16);
2247                 fs_param.s_log_cluster_size =
2248                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2249                 if (fs_param.s_log_cluster_size &&
2250                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2251                         com_err(program_name, 0, "%s",
2252                                 _("The cluster size may not be "
2253                                   "smaller than the block size.\n"));
2254                         exit(1);
2255                 }
2256         } else if (cluster_size) {
2257                 com_err(program_name, 0, "%s",
2258                         _("specifying a cluster size requires the "
2259                           "bigalloc feature"));
2260                 exit(1);
2261         } else
2262                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2263
2264         if (inode_ratio == 0) {
2265                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2266                                                    8192);
2267                 if (inode_ratio < blocksize)
2268                         inode_ratio = blocksize;
2269                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2270                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2271         }
2272
2273 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2274         retval = get_device_geometry(device_name, &fs_param,
2275                                      (unsigned int) psector_size);
2276         if (retval < 0) {
2277                 fprintf(stderr,
2278                         _("warning: Unable to get device geometry for %s\n"),
2279                         device_name);
2280         } else if (retval) {
2281                 printf(_("%s alignment is offset by %lu bytes.\n"),
2282                        device_name, retval);
2283                 printf(_("This may result in very poor performance, "
2284                           "(re)-partitioning suggested.\n"));
2285         }
2286 #endif
2287
2288         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2289
2290         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2291
2292         /*
2293          * Initialize s_desc_size so that the parse_extended_opts()
2294          * can correctly handle "-E resize=NNN" if the 64-bit option
2295          * is set.
2296          */
2297         if (ext2fs_has_feature_64bit(&fs_param))
2298                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2299
2300         /* This check should happen beyond the last assignment to blocksize */
2301         if (blocksize > sys_page_size) {
2302                 if (!force) {
2303                         com_err(program_name, 0,
2304                                 _("%d-byte blocks too big for system (max %d)"),
2305                                 blocksize, sys_page_size);
2306                         proceed_question(proceed_delay);
2307                 }
2308                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2309                                   "(max %d), forced to continue\n"),
2310                         blocksize, sys_page_size);
2311         }
2312
2313         /* Metadata checksumming wasn't totally stable before 3.18. */
2314         if (ext2fs_is_before_linux_ver(3, 18, 0) &&
2315             ext2fs_has_feature_metadata_csum(&fs_param))
2316                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2317                         "improved stability of the metadata and journal "
2318                         "checksum features.\n"));
2319
2320         /*
2321          * On newer kernels we do have lazy_itable_init support. So pick the
2322          * right default in case ext4 module is not loaded.
2323          */
2324         if (ext2fs_is_before_linux_ver(2, 6, 37))
2325                 lazy_itable_init = 0;
2326         else
2327                 lazy_itable_init = 1;
2328
2329         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2330                 lazy_itable_init = 1;
2331
2332         lazy_itable_init = get_bool_from_profile(fs_types,
2333                                                  "lazy_itable_init",
2334                                                  lazy_itable_init);
2335         discard = get_bool_from_profile(fs_types, "discard" , discard);
2336         journal_flags |= get_bool_from_profile(fs_types,
2337                                                "lazy_journal_init", 0) ?
2338                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2339         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2340
2341         if (!journal_location_string)
2342                 journal_location_string = get_string_from_profile(fs_types,
2343                                                 "journal_location", "");
2344         if ((journal_location == ~0ULL) && journal_location_string &&
2345             *journal_location_string)
2346                 journal_location = parse_num_blocks2(journal_location_string,
2347                                                 fs_param.s_log_block_size);
2348         free(journal_location_string);
2349
2350         packed_meta_blocks = get_bool_from_profile(fs_types,
2351                                                    "packed_meta_blocks", 0);
2352         if (packed_meta_blocks)
2353                 journal_location = 0;
2354
2355         if (ext2fs_has_feature_casefold(&fs_param)) {
2356                 char *ef, *en = get_string_from_profile(fs_types,
2357                                                         "encoding", "utf8");
2358                 int encoding = e2p_str2encoding(en);
2359
2360                 if (encoding < 0) {
2361                         com_err(program_name, 0,
2362                                 _("Unknown filename encoding from profile: %s"),
2363                                 en);
2364                         exit(1);
2365                 }
2366                 free(en);
2367                 fs_param.s_encoding = encoding;
2368                 ef = get_string_from_profile(fs_types, "encoding_flags", NULL);
2369                 if (ef) {
2370                         if (e2p_str2encoding_flags(encoding, ef,
2371                                         &fs_param.s_encoding_flags) < 0) {
2372                                 com_err(program_name, 0,
2373                         _("Unknown encoding flags from profile: %s"), ef);
2374                                 exit(1);
2375                         }
2376                         free(ef);
2377                 } else
2378                         fs_param.s_encoding_flags =
2379                                 e2p_get_encoding_flags(encoding);
2380         }
2381
2382         /* Get options from profile */
2383         for (cpp = fs_types; *cpp; cpp++) {
2384                 tmp = NULL;
2385                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2386                         if (tmp && *tmp)
2387                                 parse_extended_opts(&fs_param, tmp);
2388                         free(tmp);
2389         }
2390
2391         if (extended_opts)
2392                 parse_extended_opts(&fs_param, extended_opts);
2393
2394         if (explicit_fssize == 0 && offset > 0) {
2395                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2396                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2397                 fprintf(stderr,
2398                         _("\nWarning: offset specified without an "
2399                           "explicit file system size.\n"
2400                           "Creating a file system with %llu blocks "
2401                           "but this might\n"
2402                           "not be what you want.\n\n"),
2403                         (unsigned long long) fs_blocks_count);
2404         }
2405
2406         if (quotatype_bits & QUOTA_PRJ_BIT)
2407                 ext2fs_set_feature_project(&fs_param);
2408
2409         if (ext2fs_has_feature_project(&fs_param)) {
2410                 quotatype_bits |= QUOTA_PRJ_BIT;
2411                 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2412                         com_err(program_name, 0,
2413                                 _("%d byte inodes are too small for "
2414                                   "project quota"),
2415                                 inode_size);
2416                         exit(1);
2417                 }
2418                 if (inode_size == 0) {
2419                         inode_size = get_int_from_profile(fs_types,
2420                                                           "inode_size", 0);
2421                         if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2422                                 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2423                 }
2424         }
2425
2426         if (ext2fs_has_feature_casefold(&fs_param) &&
2427             ext2fs_has_feature_encrypt(&fs_param)) {
2428                 com_err(program_name, 0, "%s",
2429                         _("The encrypt and casefold features are not "
2430                           "compatible.\nThey can not be both enabled "
2431                           "simultaneously.\n"));
2432                       exit (1);
2433         }
2434
2435         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2436         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2437             ext2fs_has_feature_gdt_csum(&fs_param))
2438                 ext2fs_clear_feature_gdt_csum(&fs_param);
2439
2440         /* Can't support bigalloc feature without extents feature */
2441         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2442             !ext2fs_has_feature_extents(&fs_param)) {
2443                 com_err(program_name, 0, "%s",
2444                         _("Can't support bigalloc feature without "
2445                           "extents feature"));
2446                 exit(1);
2447         }
2448
2449         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2450             ext2fs_has_feature_resize_inode(&fs_param)) {
2451                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2452                                         "features are not compatible.\n"
2453                                         "They can not be both enabled "
2454                                         "simultaneously.\n"));
2455                 exit(1);
2456         }
2457
2458         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2459                 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2460                                   "still under development\n"
2461                                   "See https://ext4.wiki.kernel.org/"
2462                                   "index.php/Bigalloc for more information\n\n"));
2463
2464         /*
2465          * Since sparse_super is the default, we would only have a problem
2466          * here if it was explicitly disabled.
2467          */
2468         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2469             !ext2fs_has_feature_sparse_super(&fs_param)) {
2470                 com_err(program_name, 0, "%s",
2471                         _("reserved online resize blocks not supported "
2472                           "on non-sparse filesystem"));
2473                 exit(1);
2474         }
2475
2476         if (fs_param.s_blocks_per_group) {
2477                 if (fs_param.s_blocks_per_group < 256 ||
2478                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2479                         com_err(program_name, 0, "%s",
2480                                 _("blocks per group count out of range"));
2481                         exit(1);
2482                 }
2483         }
2484
2485         /*
2486          * If the bigalloc feature is enabled, then the -g option will
2487          * specify the number of clusters per group.
2488          */
2489         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2490                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2491                 fs_param.s_blocks_per_group = 0;
2492         }
2493
2494         if (inode_size == 0)
2495                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2496         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2497                 flex_bg_size = get_uint_from_profile(fs_types,
2498                                                      "flex_bg_size", 16);
2499         if (flex_bg_size) {
2500                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2501                         com_err(program_name, 0, "%s",
2502                                 _("Flex_bg feature not enabled, so "
2503                                   "flex_bg size may not be specified"));
2504                         exit(1);
2505                 }
2506                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2507         }
2508
2509         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2510                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2511                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2512                     inode_size & (inode_size - 1)) {
2513                         com_err(program_name, 0,
2514                                 _("invalid inode size %d (min %d/max %d)"),
2515                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2516                                 blocksize);
2517                         exit(1);
2518                 }
2519                 fs_param.s_inode_size = inode_size;
2520         }
2521
2522         /*
2523          * If inode size is 128 and inline data is enabled, we need
2524          * to notify users that inline data will never be useful.
2525          */
2526         if (ext2fs_has_feature_inline_data(&fs_param) &&
2527             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2528                 com_err(program_name, 0,
2529                         _("%d byte inodes are too small for inline data; "
2530                           "specify larger size"),
2531                         fs_param.s_inode_size);
2532                 exit(1);
2533         }
2534
2535         /* Make sure number of inodes specified will fit in 32 bits */
2536         if (num_inodes == 0) {
2537                 unsigned long long n;
2538                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2539                 if (n > MAX_32_NUM) {
2540                         num_inodes = MAX_32_NUM;
2541                         if (!ext2fs_has_feature_64bit(&fs_param))
2542                                 com_err(program_name, 0,
2543                                         _("too many inodes (%llu), reduced to "
2544                                           "%llu"), n, MAX_32_NUM);
2545                 }
2546         } else if (num_inodes > MAX_32_NUM) {
2547                 com_err(program_name, 0,
2548                         _("too many inodes (%llu), specify < 2^32 inodes"),
2549                           num_inodes);
2550                 exit(1);
2551         }
2552         /*
2553          * Calculate number of inodes based on the inode ratio
2554          */
2555         fs_param.s_inodes_count = num_inodes ? num_inodes :
2556                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2557
2558         if ((((unsigned long long)fs_param.s_inodes_count) *
2559              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2560             ((ext2fs_blocks_count(&fs_param)) *
2561              EXT2_BLOCK_SIZE(&fs_param))) {
2562                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2563                                           "(%u) too big for a\n\t"
2564                                           "filesystem with %llu blocks, "
2565                                           "specify higher inode_ratio (-i)\n\t"
2566                                           "or lower inode count (-N).\n"),
2567                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2568                         fs_param.s_inodes_count,
2569                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2570                 exit(1);
2571         }
2572
2573         /*
2574          * Calculate number of blocks to reserve
2575          */
2576         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2577                                   ext2fs_blocks_count(&fs_param) / 100.0);
2578
2579         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2580                 if (num_backups >= 1)
2581                         fs_param.s_backup_bgs[0] = 1;
2582                 if (num_backups >= 2)
2583                         fs_param.s_backup_bgs[1] = ~0;
2584         }
2585
2586         free(fs_type);
2587         free(usage_types);
2588 }
2589
2590 static int should_do_undo(const char *name)
2591 {
2592         errcode_t retval;
2593         io_channel channel;
2594         __u16   s_magic;
2595         struct ext2_super_block super;
2596         io_manager manager = unix_io_manager;
2597         int csum_flag, force_undo;
2598
2599         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2600                     ext2fs_has_feature_gdt_csum(&fs_param);
2601         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2602         if (!force_undo && (!csum_flag || !lazy_itable_init))
2603                 return 0;
2604
2605         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2606         if (retval) {
2607                 /*
2608                  * We don't handle error cases instead we
2609                  * declare that the file system doesn't exist
2610                  * and let the rest of mke2fs take care of
2611                  * error
2612                  */
2613                 retval = 0;
2614                 goto open_err_out;
2615         }
2616
2617         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2618         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2619         if (retval) {
2620                 retval = 0;
2621                 goto err_out;
2622         }
2623
2624 #if defined(WORDS_BIGENDIAN)
2625         s_magic = ext2fs_swab16(super.s_magic);
2626 #else
2627         s_magic = super.s_magic;
2628 #endif
2629
2630         if (s_magic == EXT2_SUPER_MAGIC)
2631                 retval = 1;
2632
2633 err_out:
2634         io_channel_close(channel);
2635
2636 open_err_out:
2637
2638         return retval;
2639 }
2640
2641 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2642 {
2643         errcode_t retval = ENOMEM;
2644         char *tdb_dir = NULL, *tdb_file = NULL;
2645         char *dev_name, *tmp_name;
2646         int free_tdb_dir = 0;
2647
2648         /* (re)open a specific undo file */
2649         if (undo_file && undo_file[0] != 0) {
2650                 retval = set_undo_io_backing_manager(*io_ptr);
2651                 if (retval)
2652                         goto err;
2653                 *io_ptr = undo_io_manager;
2654                 retval = set_undo_io_backup_file(undo_file);
2655                 if (retval)
2656                         goto err;
2657                 printf(_("Overwriting existing filesystem; this can be undone "
2658                          "using the command:\n"
2659                          "    e2undo %s %s\n\n"), undo_file, name);
2660                 return retval;
2661         }
2662
2663         /*
2664          * Configuration via a conf file would be
2665          * nice
2666          */
2667         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2668         if (!tdb_dir) {
2669                 profile_get_string(profile, "defaults",
2670                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2671                                    &tdb_dir);
2672                 free_tdb_dir = 1;
2673         }
2674
2675         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2676             access(tdb_dir, W_OK)) {
2677                 if (free_tdb_dir)
2678                         free(tdb_dir);
2679                 return 0;
2680         }
2681
2682         tmp_name = strdup(name);
2683         if (!tmp_name)
2684                 goto errout;
2685         dev_name = basename(tmp_name);
2686         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2687         if (!tdb_file) {
2688                 free(tmp_name);
2689                 goto errout;
2690         }
2691         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2692         free(tmp_name);
2693
2694         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2695                 retval = errno;
2696                 com_err(program_name, retval,
2697                         _("while trying to delete %s"), tdb_file);
2698                 goto errout;
2699         }
2700
2701         retval = set_undo_io_backing_manager(*io_ptr);
2702         if (retval)
2703                 goto errout;
2704         *io_ptr = undo_io_manager;
2705         retval = set_undo_io_backup_file(tdb_file);
2706         if (retval)
2707                 goto errout;
2708         printf(_("Overwriting existing filesystem; this can be undone "
2709                  "using the command:\n"
2710                  "    e2undo %s %s\n\n"), tdb_file, name);
2711
2712         if (free_tdb_dir)
2713                 free(tdb_dir);
2714         free(tdb_file);
2715         return 0;
2716
2717 errout:
2718         if (free_tdb_dir)
2719                 free(tdb_dir);
2720         free(tdb_file);
2721 err:
2722         com_err(program_name, retval, "%s",
2723                 _("while trying to setup undo file\n"));
2724         return retval;
2725 }
2726
2727 static int mke2fs_discard_device(ext2_filsys fs)
2728 {
2729         struct ext2fs_numeric_progress_struct progress;
2730         blk64_t blocks = ext2fs_blocks_count(fs->super);
2731         blk64_t count = DISCARD_STEP_MB;
2732         blk64_t cur;
2733         int retval = 0;
2734
2735         /*
2736          * Let's try if discard really works on the device, so
2737          * we do not print numeric progress resulting in failure
2738          * afterwards.
2739          */
2740         retval = io_channel_discard(fs->io, 0, fs->blocksize);
2741         if (retval)
2742                 return retval;
2743         cur = fs->blocksize;
2744
2745         count *= (1024 * 1024);
2746         count /= fs->blocksize;
2747
2748         ext2fs_numeric_progress_init(fs, &progress,
2749                                      _("Discarding device blocks: "),
2750                                      blocks);
2751         while (cur < blocks) {
2752                 ext2fs_numeric_progress_update(fs, &progress, cur);
2753
2754                 if (cur + count > blocks)
2755                         count = blocks - cur;
2756
2757                 retval = io_channel_discard(fs->io, cur, count);
2758                 if (retval)
2759                         break;
2760                 cur += count;
2761         }
2762
2763         if (retval) {
2764                 ext2fs_numeric_progress_close(fs, &progress,
2765                                       _("failed - "));
2766                 if (!quiet)
2767                         printf("%s\n",error_message(retval));
2768         } else
2769                 ext2fs_numeric_progress_close(fs, &progress,
2770                                       _("done                            \n"));
2771
2772         return retval;
2773 }
2774
2775 static void fix_cluster_bg_counts(ext2_filsys fs)
2776 {
2777         blk64_t         block, num_blocks, last_block, next;
2778         blk64_t         tot_free = 0;
2779         errcode_t       retval;
2780         dgrp_t          group = 0;
2781         int             grp_free = 0;
2782
2783         num_blocks = ext2fs_blocks_count(fs->super);
2784         last_block = ext2fs_group_last_block2(fs, group);
2785         block = fs->super->s_first_data_block;
2786         while (block < num_blocks) {
2787                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2788                                                 block, last_block, &next);
2789                 if (retval == 0)
2790                         block = next;
2791                 else {
2792                         block = last_block + 1;
2793                         goto next_bg;
2794                 }
2795
2796                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2797                                                 block, last_block, &next);
2798                 if (retval)
2799                         next = last_block + 1;
2800                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2801                 tot_free += next - block;
2802                 block = next;
2803
2804                 if (block > last_block) {
2805                 next_bg:
2806                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2807                         ext2fs_group_desc_csum_set(fs, group);
2808                         grp_free = 0;
2809                         group++;
2810                         last_block = ext2fs_group_last_block2(fs, group);
2811                 }
2812         }
2813         ext2fs_free_blocks_count_set(fs->super, tot_free);
2814 }
2815
2816 static int create_quota_inodes(ext2_filsys fs)
2817 {
2818         quota_ctx_t qctx;
2819         errcode_t retval;
2820
2821         retval = quota_init_context(&qctx, fs, quotatype_bits);
2822         if (retval) {
2823                 com_err(program_name, retval,
2824                         _("while initializing quota context"));
2825                 exit(1);
2826         }
2827         quota_compute_usage(qctx);
2828         retval = quota_write_inode(qctx, quotatype_bits);
2829         if (retval) {
2830                 com_err(program_name, retval,
2831                         _("while writing quota inodes"));
2832                 exit(1);
2833         }
2834         quota_release_context(&qctx);
2835
2836         return 0;
2837 }
2838
2839 static errcode_t set_error_behavior(ext2_filsys fs)
2840 {
2841         char    *arg = NULL;
2842         short   errors = fs->super->s_errors;
2843
2844         arg = get_string_from_profile(fs_types, "errors", NULL);
2845         if (arg == NULL)
2846                 goto try_user;
2847
2848         if (strcmp(arg, "continue") == 0)
2849                 errors = EXT2_ERRORS_CONTINUE;
2850         else if (strcmp(arg, "remount-ro") == 0)
2851                 errors = EXT2_ERRORS_RO;
2852         else if (strcmp(arg, "panic") == 0)
2853                 errors = EXT2_ERRORS_PANIC;
2854         else {
2855                 com_err(program_name, 0,
2856                         _("bad error behavior in profile - %s"),
2857                         arg);
2858                 free(arg);
2859                 return EXT2_ET_INVALID_ARGUMENT;
2860         }
2861         free(arg);
2862
2863 try_user:
2864         if (errors_behavior)
2865                 errors = errors_behavior;
2866
2867         fs->super->s_errors = errors;
2868         return 0;
2869 }
2870
2871 int main (int argc, char *argv[])
2872 {
2873         errcode_t       retval = 0;
2874         ext2_filsys     fs;
2875         badblocks_list  bb_list = 0;
2876         unsigned int    journal_blocks = 0;
2877         unsigned int    i, checkinterval;
2878         int             max_mnt_count;
2879         int             val, hash_alg;
2880         int             flags;
2881         int             old_bitmaps;
2882         io_manager      io_ptr;
2883         char            opt_string[40];
2884         char            *hash_alg_str;
2885         int             itable_zeroed = 0;
2886
2887 #ifdef ENABLE_NLS
2888         setlocale(LC_MESSAGES, "");
2889         setlocale(LC_CTYPE, "");
2890         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2891         textdomain(NLS_CAT_NAME);
2892         set_com_err_gettext(gettext);
2893 #endif
2894         PRS(argc, argv);
2895
2896 #ifdef CONFIG_TESTIO_DEBUG
2897         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2898                 io_ptr = test_io_manager;
2899                 test_io_backing_manager = unix_io_manager;
2900         } else
2901 #endif
2902                 io_ptr = unix_io_manager;
2903
2904         if (undo_file != NULL || should_do_undo(device_name)) {
2905                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2906                 if (retval)
2907                         exit(1);
2908         }
2909
2910         /*
2911          * Initialize the superblock....
2912          */
2913         flags = EXT2_FLAG_EXCLUSIVE;
2914         if (direct_io)
2915                 flags |= EXT2_FLAG_DIRECT_IO;
2916         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2917                             &old_bitmaps);
2918         if (!old_bitmaps)
2919                 flags |= EXT2_FLAG_64BITS;
2920         /*
2921          * By default, we print how many inode tables or block groups
2922          * or whatever we've written so far.  The quiet flag disables
2923          * this, along with a lot of other output.
2924          */
2925         if (!quiet)
2926                 flags |= EXT2_FLAG_PRINT_PROGRESS;
2927         if (android_sparse_file) {
2928                 char *android_sparse_params = malloc(strlen(device_name) + 48);
2929
2930                 if (!android_sparse_params) {
2931                         com_err(program_name, ENOMEM, "%s",
2932                                 _("in malloc for android_sparse_params"));
2933                         exit(1);
2934                 }
2935                 sprintf(android_sparse_params, "(%s):%u:%u",
2936                          device_name, fs_param.s_blocks_count,
2937                          1024 << fs_param.s_log_block_size);
2938                 retval = ext2fs_initialize(android_sparse_params, flags,
2939                                            &fs_param, sparse_io_manager, &fs);
2940                 free(android_sparse_params);
2941         } else
2942                 retval = ext2fs_initialize(device_name, flags, &fs_param,
2943                                            io_ptr, &fs);
2944         if (retval) {
2945                 com_err(device_name, retval, "%s",
2946                         _("while setting up superblock"));
2947                 exit(1);
2948         }
2949         fs->progress_ops = &ext2fs_numeric_progress_ops;
2950
2951         /* Set the error behavior */
2952         retval = set_error_behavior(fs);
2953         if (retval)
2954                 usage();
2955
2956         /* Check the user's mkfs options for metadata checksumming */
2957         if (!quiet &&
2958             !ext2fs_has_feature_journal_dev(fs->super) &&
2959             ext2fs_has_feature_metadata_csum(fs->super)) {
2960                 if (!ext2fs_has_feature_extents(fs->super))
2961                         printf("%s",
2962                                _("Extents are not enabled.  The file extent "
2963                                  "tree can be checksummed, whereas block maps "
2964                                  "cannot.  Not enabling extents reduces the "
2965                                  "coverage of metadata checksumming.  "
2966                                  "Pass -O extents to rectify.\n"));
2967                 if (!ext2fs_has_feature_64bit(fs->super))
2968                         printf("%s",
2969                                _("64-bit filesystem support is not enabled.  "
2970                                  "The larger fields afforded by this feature "
2971                                  "enable full-strength checksumming.  "
2972                                  "Pass -O 64bit to rectify.\n"));
2973         }
2974
2975         if (ext2fs_has_feature_csum_seed(fs->super) &&
2976             !ext2fs_has_feature_metadata_csum(fs->super)) {
2977                 printf("%s", _("The metadata_csum_seed feature "
2978                                "requires the metadata_csum feature.\n"));
2979                 exit(1);
2980         }
2981
2982         if (ext2fs_has_feature_inline_data(fs->super) &&
2983             ext2fs_has_feature_dirdata(fs->super)) {
2984                 printf("%s", _("The dirdata feature can not enabled "
2985                                "with inline data feature.\n"));
2986                 exit(1);
2987         }
2988
2989         /* Calculate journal blocks */
2990         if (!journal_device && ((journal_size) ||
2991             ext2fs_has_feature_journal(&fs_param)))
2992                 journal_blocks = figure_journal_size(journal_size, fs);
2993
2994         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2995                 32768 : fs->blocksize * 8);
2996         io_channel_set_options(fs->io, opt_string);
2997         if (offset) {
2998                 sprintf(opt_string, "offset=%llu", offset);
2999                 io_channel_set_options(fs->io, opt_string);
3000         }
3001
3002         /* Can't undo discard ... */
3003         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
3004                 retval = mke2fs_discard_device(fs);
3005                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
3006                         if (verbose)
3007                                 printf("%s",
3008                                        _("Discard succeeded and will return "
3009                                          "0s - skipping inode table wipe\n"));
3010                         lazy_itable_init = 1;
3011                         itable_zeroed = 1;
3012                         zero_hugefile = 0;
3013                 }
3014         }
3015
3016         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
3017                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
3018
3019         if (ext2fs_has_feature_flex_bg(&fs_param) ||
3020             ext2fs_has_feature_huge_file(&fs_param) ||
3021             ext2fs_has_feature_gdt_csum(&fs_param) ||
3022             ext2fs_has_feature_dir_nlink(&fs_param) ||
3023             ext2fs_has_feature_metadata_csum(&fs_param) ||
3024             ext2fs_has_feature_extra_isize(&fs_param))
3025                 fs->super->s_kbytes_written = 1;
3026
3027         /*
3028          * Wipe out the old on-disk superblock
3029          */
3030         if (!noaction)
3031                 zap_sector(fs, 2, 6);
3032
3033         /*
3034          * Parse or generate a UUID for the filesystem
3035          */
3036         if (fs_uuid) {
3037                 if ((strcasecmp(fs_uuid, "null") == 0) ||
3038                     (strcasecmp(fs_uuid, "clear") == 0)) {
3039                         uuid_clear(fs->super->s_uuid);
3040                 } else if (strcasecmp(fs_uuid, "time") == 0) {
3041                         uuid_generate_time(fs->super->s_uuid);
3042                 } else if (strcasecmp(fs_uuid, "random") == 0) {
3043                         uuid_generate(fs->super->s_uuid);
3044                 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
3045                         com_err(device_name, 0, "could not parse UUID: %s\n",
3046                                 fs_uuid);
3047                         exit(1);
3048                 }
3049         } else
3050                 uuid_generate(fs->super->s_uuid);
3051
3052         if (ext2fs_has_feature_csum_seed(fs->super))
3053                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
3054                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
3055
3056         ext2fs_init_csum_seed(fs);
3057
3058         /*
3059          * Initialize the directory index variables
3060          */
3061         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3062                                                "half_md4");
3063         hash_alg = e2p_string2hash(hash_alg_str);
3064         free(hash_alg_str);
3065         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3066                 EXT2_HASH_HALF_MD4;
3067
3068         if (memcmp(fs_param.s_hash_seed, zero_buf,
3069                 sizeof(fs_param.s_hash_seed)) != 0) {
3070                 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3071                         sizeof(fs->super->s_hash_seed));
3072         } else
3073                 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3074
3075         /*
3076          * Periodic checks can be enabled/disabled via config file.
3077          * Note we override the kernel include file's idea of what the default
3078          * check interval (never) should be.  It's a good idea to check at
3079          * least *occasionally*, specially since servers will never rarely get
3080          * to reboot, since Linux is so robust these days.  :-)
3081          *
3082          * 180 days (six months) seems like a good value.
3083          */
3084 #ifdef EXT2_DFL_CHECKINTERVAL
3085 #undef EXT2_DFL_CHECKINTERVAL
3086 #endif
3087 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3088
3089         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3090                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3091                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3092                 /*
3093                  * Add "jitter" to the superblock's check interval so that we
3094                  * don't check all the filesystems at the same time.  We use a
3095                  * kludgy hack of using the UUID to derive a random jitter value
3096                  */
3097                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3098                         val += fs->super->s_uuid[i];
3099                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3100         } else
3101                 fs->super->s_max_mnt_count = -1;
3102
3103         /*
3104          * Override the creator OS, if applicable
3105          */
3106         if (creator_os && !set_os(fs->super, creator_os)) {
3107                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3108                 exit(1);
3109         }
3110
3111         /*
3112          * For the Hurd, we will turn off filetype since it doesn't
3113          * support it.
3114          */
3115         if (fs->super->s_creator_os == EXT2_OS_HURD)
3116                 ext2fs_clear_feature_filetype(fs->super);
3117
3118         /*
3119          * Set the volume label...
3120          */
3121         if (volume_label) {
3122                 memset(fs->super->s_volume_name, 0,
3123                        sizeof(fs->super->s_volume_name));
3124                 strncpy(fs->super->s_volume_name, volume_label,
3125                         sizeof(fs->super->s_volume_name));
3126         }
3127
3128         /*
3129          * Set the last mount directory
3130          */
3131         if (mount_dir) {
3132                 memset(fs->super->s_last_mounted, 0,
3133                        sizeof(fs->super->s_last_mounted));
3134                 strncpy(fs->super->s_last_mounted, mount_dir,
3135                         sizeof(fs->super->s_last_mounted));
3136         }
3137
3138         /* Set current default encryption algorithms for data and
3139          * filename encryption */
3140         if (ext2fs_has_feature_encrypt(fs->super)) {
3141                 fs->super->s_encrypt_algos[0] =
3142                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3143                 fs->super->s_encrypt_algos[1] =
3144                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3145         }
3146
3147         if (ext2fs_has_feature_metadata_csum(fs->super))
3148                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3149
3150         if (!quiet || noaction)
3151                 show_stats(fs);
3152
3153         if (noaction)
3154                 exit(0);
3155
3156         if (ext2fs_has_feature_journal_dev(fs->super)) {
3157                 create_journal_dev(fs);
3158                 printf("\n");
3159                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3160         }
3161
3162         if (bad_blocks_filename)
3163                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3164         if (cflag)
3165                 test_disk(fs, &bb_list);
3166         handle_bad_blocks(fs, bb_list);
3167
3168         fs->stride = fs_stride = fs->super->s_raid_stride;
3169         if (!quiet)
3170                 printf("%s", _("Allocating group tables: "));
3171         if (ext2fs_has_feature_flex_bg(fs->super) &&
3172             packed_meta_blocks)
3173                 retval = packed_allocate_tables(fs);
3174         else
3175                 retval = ext2fs_allocate_tables(fs);
3176         if (retval) {
3177                 com_err(program_name, retval, "%s",
3178                         _("while trying to allocate filesystem tables"));
3179                 exit(1);
3180         }
3181         if (!quiet)
3182                 printf("%s", _("done                            \n"));
3183
3184         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3185         if (retval) {
3186                 com_err(program_name, retval, "%s",
3187                         _("\n\twhile converting subcluster bitmap"));
3188                 exit(1);
3189         }
3190
3191         if (super_only) {
3192                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3193                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3194                        device_name);
3195                 if (!force)
3196                         proceed_question(proceed_delay);
3197                 fs->super->s_state |= EXT2_ERROR_FS;
3198                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3199                 /*
3200                  * The command "mke2fs -S" is used to recover
3201                  * corrupted file systems, so do not mark any of the
3202                  * inodes as unused; we want e2fsck to consider all
3203                  * inodes as potentially containing recoverable data.
3204                  */
3205                 if (ext2fs_has_group_desc_csum(fs)) {
3206                         for (i = 0; i < fs->group_desc_count; i++)
3207                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3208                 }
3209         } else {
3210                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3211                 blk64_t rsv = 65536 / fs->blocksize;
3212                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3213                 blk64_t start;
3214                 blk64_t ret_blk;
3215
3216 #ifdef ZAP_BOOTBLOCK
3217                 zap_sector(fs, 0, 2);
3218 #endif
3219
3220                 /*
3221                  * Wipe out any old MD RAID (or other) metadata at the end
3222                  * of the device.  This will also verify that the device is
3223                  * as large as we think.  Be careful with very small devices.
3224                  */
3225                 start = (blocks & ~(rsv - 1));
3226                 if (start > rsv)
3227                         start -= rsv;
3228                 if (start > 0)
3229                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3230                                                     &ret_blk, NULL);
3231
3232                 if (retval) {
3233                         com_err(program_name, retval,
3234                                 _("while zeroing block %llu at end of filesystem"),
3235                                 ret_blk);
3236                 }
3237                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3238                 create_root_dir(fs);
3239                 create_lost_and_found(fs);
3240                 reserve_inodes(fs);
3241                 create_bad_block_inode(fs, bb_list);
3242                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3243                         retval = ext2fs_create_resize_inode(fs);
3244                         if (retval) {
3245                                 com_err("ext2fs_create_resize_inode", retval,
3246                                         "%s",
3247                                 _("while reserving blocks for online resize"));
3248                                 exit(1);
3249                         }
3250                 }
3251         }
3252
3253         if (journal_device) {
3254                 ext2_filsys     jfs;
3255
3256                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3257                                         NULL) && !force)
3258                         proceed_question(proceed_delay);
3259                 check_mount(journal_device, force, _("journal"));
3260
3261                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3262                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3263                                      fs->blocksize, unix_io_manager, &jfs);
3264                 if (retval) {
3265                         com_err(program_name, retval,
3266                                 _("while trying to open journal device %s\n"),
3267                                 journal_device);
3268                         exit(1);
3269                 }
3270                 if (!quiet) {
3271                         printf(_("Adding journal to device %s: "),
3272                                journal_device);
3273                         fflush(stdout);
3274                 }
3275                 retval = ext2fs_add_journal_device(fs, jfs);
3276                 if(retval) {
3277                         com_err (program_name, retval,
3278                                  _("\n\twhile trying to add journal to device %s"),
3279                                  journal_device);
3280                         exit(1);
3281                 }
3282                 if (!quiet)
3283                         printf("%s", _("done\n"));
3284                 ext2fs_close_free(&jfs);
3285                 free(journal_device);
3286         } else if ((journal_size) ||
3287                    ext2fs_has_feature_journal(&fs_param)) {
3288                 if (super_only) {
3289                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3290                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3291                         goto no_journal;
3292                 }
3293
3294                 if (!journal_blocks) {
3295                         ext2fs_clear_feature_journal(fs->super);
3296                         goto no_journal;
3297                 }
3298                 if (!quiet) {
3299                         printf(_("Creating journal (%u blocks): "),
3300                                journal_blocks);
3301                         fflush(stdout);
3302                 }
3303                 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3304                                                    journal_location,
3305                                                    journal_flags);
3306                 if (retval) {
3307                         com_err(program_name, retval, "%s",
3308                                 _("\n\twhile trying to create journal"));
3309                         exit(1);
3310                 }
3311                 if (!quiet)
3312                         printf("%s", _("done\n"));
3313         }
3314 no_journal:
3315         if (!super_only &&
3316             ext2fs_has_feature_mmp(fs->super)) {
3317                 retval = ext2fs_mmp_init(fs);
3318                 if (retval) {
3319                         fprintf(stderr, "%s",
3320                                 _("\nError while enabling multiple "
3321                                   "mount protection feature."));
3322                         exit(1);
3323                 }
3324                 if (!quiet)
3325                         printf(_("Multiple mount protection is enabled "
3326                                  "with update interval %d seconds.\n"),
3327                                fs->super->s_mmp_update_interval);
3328         }
3329
3330         if (ext2fs_has_feature_bigalloc(&fs_param))
3331                 fix_cluster_bg_counts(fs);
3332         if (ext2fs_has_feature_quota(&fs_param))
3333                 create_quota_inodes(fs);
3334
3335         retval = mk_hugefiles(fs, device_name);
3336         if (retval)
3337                 com_err(program_name, retval, "while creating huge files");
3338         /* Copy files from the specified directory */
3339         if (src_root_dir) {
3340                 if (!quiet)
3341                         printf("%s", _("Copying files into the device: "));
3342
3343                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3344                                      EXT2_ROOT_INO);
3345                 if (retval) {
3346                         com_err(program_name, retval, "%s",
3347                                 _("while populating file system"));
3348                         exit(1);
3349                 } else if (!quiet)
3350                         printf("%s", _("done\n"));
3351         }
3352
3353         if (!quiet)
3354                 printf("%s", _("Writing superblocks and "
3355                        "filesystem accounting information: "));
3356         checkinterval = fs->super->s_checkinterval;
3357         max_mnt_count = fs->super->s_max_mnt_count;
3358         retval = ext2fs_close_free(&fs);
3359         if (retval) {
3360                 com_err(program_name, retval, "%s",
3361                         _("while writing out and closing file system"));
3362                 retval = 1;
3363         } else if (!quiet) {
3364                 printf("%s", _("done\n\n"));
3365                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3366                         print_check_message(max_mnt_count, checkinterval);
3367         }
3368
3369         remove_error_table(&et_ext2_error_table);
3370         remove_error_table(&et_prof_error_table);
3371         profile_release(profile);
3372         for (i=0; fs_types[i]; i++)
3373                 free(fs_types[i]);
3374         free(fs_types);
3375         return retval;
3376 }