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 mode_t   root_perms = (mode_t)-1;
  90 static gid_t    root_gid;
  91 int     journal_size;
  92 int     journal_flags;
  93 int     journal_fc_size;
  94 static e2_blkcnt_t      orphan_file_blocks;
  95 static int      lazy_itable_init;
  96 static int      assume_storage_prezeroed;
  97 static int      packed_meta_blocks;
  98 int             no_copy_xattrs;
  99 static char     *bad_blocks_filename = NULL;
 100 static __u32    fs_stride;
 101 /* Initialize usr/grp quotas by default */
 102 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
 103 static __u64    offset;
 104 static blk64_t journal_location = ~0LL;
 105 static int      proceed_delay = -1;
 106 static blk64_t  dev_size;
 107
 108 static struct ext2_super_block fs_param;
 109 static __u32 zero_buf[4];
 110 static char *fs_uuid = NULL;
 111 static char *creator_os;
 112 static char *volume_label;
 113 static char *mount_dir;
 114 char *journal_device;
 115 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
 116 char **fs_types;
 117 const char *src_root;  /* Copy files from the specified directory or tarball */
 118 static char *undo_file;
 119
 120 static int android_sparse_file; /* -E android_sparse */
 121
 122 static profile_t        profile;
 123
 124 static int sys_page_size = 4096;
 125
 126 static int errors_behavior = 0;
 127
 128 static void usage(void)
 129 {
 130         fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
 131         "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
 132         "[-J journal-options]\n"
 133         "\t[-G flex-group-size] [-N number-of-inodes] "
 134         "[-d root-directory|tarball]\n"
 135         "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
 136         "\t[-g blocks-per-group] [-L volume-label] "
 137         "[-M last-mounted-directory]\n\t[-O feature[,...]] "
 138         "[-r fs-revision] [-E extended-option[,...]]\n"
 139         "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
 140         "[-z undo_file]\n"
 141         "\t[-jnqvDFSV] device [blocks-count]\n"),
 142                 program_name);
 143         exit(1);
 144 }
 145
 146 static int int_log2(unsigned long long arg)
 147 {
 148         int     l = 0;
 149
 150         arg >>= 1;
 151         while (arg) {
 152                 l++;
 153                 arg >>= 1;
 154         }
 155         return l;
 156 }
 157
 158 int int_log10(unsigned long long arg)
 159 {
 160         int     l;
 161
 162         for (l=0; arg ; l++)
 163                 arg = arg / 10;
 164         return l;
 165 }
 166
 167 /*
 168  * Helper function for read_bb_file and test_disk
 169  */
 170 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
 171 {
 172         fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
 173         return;
 174 }
 175
 176 /*
 177  * Reads the bad blocks list from a file
 178  */
 179 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
 180                          const char *bad_blocks_file)
 181 {
 182         FILE            *f;
 183         errcode_t       retval;
 184
 185         f = fopen(bad_blocks_file, "r");
 186         if (!f) {
 187                 com_err("read_bad_blocks_file", errno,
 188                         _("while trying to open %s"), bad_blocks_file);
 189                 exit(1);
 190         }
 191         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 192         fclose (f);
 193         if (retval) {
 194                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 195                         _("while reading in list of bad blocks from file"));
 196                 exit(1);
 197         }
 198 }
 199
 200 /*
 201  * Runs the badblocks program to test the disk
 202  */
 203 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
 204 {
 205         FILE            *f;
 206         errcode_t       retval;
 207         char            buf[1024];
 208
 209         sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
 210                 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
 211                 fs->device_name,
 212                 (unsigned long long) ext2fs_blocks_count(fs->super)-1);
 213         if (verbose)
 214                 printf(_("Running command: %s\n"), buf);
 215         f = popen(buf, "r");
 216         if (!f) {
 217                 com_err("popen", errno,
 218                         _("while trying to run '%s'"), buf);
 219                 exit(1);
 220         }
 221         retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
 222         pclose(f);
 223         if (retval) {
 224                 com_err("ext2fs_read_bb_FILE", retval, "%s",
 225                         _("while processing list of bad blocks from program"));
 226                 exit(1);
 227         }
 228 }
 229
 230 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
 231 {
 232         dgrp_t                  i;
 233         blk_t                   j;
 234         unsigned                must_be_good;
 235         blk_t                   blk;
 236         badblocks_iterate       bb_iter;
 237         errcode_t               retval;
 238         blk_t                   group_block;
 239         int                     group;
 240         int                     group_bad;
 241
 242         if (!bb_list)
 243                 return;
 244
 245         /*
 246          * The primary superblock and group descriptors *must* be
 247          * good; if not, abort.
 248          */
 249         must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
 250         for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
 251                 if (ext2fs_badblocks_list_test(bb_list, i)) {
 252                         fprintf(stderr, _("Block %d in primary "
 253                                 "superblock/group descriptor area bad.\n"), i);
 254                         fprintf(stderr, _("Blocks %u through %u must be good "
 255                                 "in order to build a filesystem.\n"),
 256                                 fs->super->s_first_data_block, must_be_good);
 257                         fputs(_("Aborting....\n"), stderr);
 258                         exit(1);
 259                 }
 260         }
 261
 262         /*
 263          * See if any of the bad blocks are showing up in the backup
 264          * superblocks and/or group descriptors.  If so, issue a
 265          * warning and adjust the block counts appropriately.
 266          */
 267         group_block = fs->super->s_first_data_block +
 268                 fs->super->s_blocks_per_group;
 269
 270         for (i = 1; i < fs->group_desc_count; i++) {
 271                 group_bad = 0;
 272                 for (j=0; j < fs->desc_blocks+1; j++) {
 273                         if (ext2fs_badblocks_list_test(bb_list,
 274                                                        group_block + j)) {
 275                                 if (!group_bad)
 276                                         fprintf(stderr,
 277 _("Warning: the backup superblock/group descriptors at block %u contain\n"
 278 "       bad blocks.\n\n"),
 279                                                 group_block);
 280                                 group_bad++;
 281                                 group = ext2fs_group_of_blk2(fs, group_block+j);
 282                                 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
 283                                 ext2fs_group_desc_csum_set(fs, group);
 284                                 ext2fs_free_blocks_count_add(fs->super, 1);
 285                         }
 286                 }
 287                 group_block += fs->super->s_blocks_per_group;
 288         }
 289
 290         /*
 291          * Mark all the bad blocks as used...
 292          */
 293         retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
 294         if (retval) {
 295                 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
 296                         _("while marking bad blocks as used"));
 297                 exit(1);
 298         }
 299         while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
 300                 ext2fs_mark_block_bitmap2(fs->block_map, blk);
 301         ext2fs_badblocks_list_iterate_end(bb_iter);
 302 }
 303
 304 static void write_reserved_inodes(ext2_filsys fs)
 305 {
 306         errcode_t       retval;
 307         ext2_ino_t      ino;
 308         struct ext2_inode *inode;
 309
 310         retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
 311         if (retval) {
 312                 com_err("inode_init", retval, _("while allocating memory"));
 313                 exit(1);
 314         }
 315
 316         for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) {
 317                 retval = ext2fs_write_inode_full(fs, ino, inode,
 318                                                  EXT2_INODE_SIZE(fs->super));
 319                 if (retval) {
 320                         com_err("ext2fs_write_inode_full", retval,
 321                                 _("while writing reserved inodes"));
 322                         exit(1);
 323                 }
 324         }
 325
 326         ext2fs_free_mem(&inode);
 327 }
 328
 329 static errcode_t packed_allocate_tables(ext2_filsys fs)
 330 {
 331         errcode_t       retval;
 332         dgrp_t          i;
 333         blk64_t         goal = 0;
 334
 335         for (i = 0; i < fs->group_desc_count; i++) {
 336                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 337                 if (retval)
 338                         return retval;
 339                 ext2fs_block_alloc_stats2(fs, goal, +1);
 340                 ext2fs_block_bitmap_loc_set(fs, i, goal);
 341         }
 342         for (i = 0; i < fs->group_desc_count; i++) {
 343                 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
 344                 if (retval)
 345                         return retval;
 346                 ext2fs_block_alloc_stats2(fs, goal, +1);
 347                 ext2fs_inode_bitmap_loc_set(fs, i, goal);
 348         }
 349         for (i = 0; i < fs->group_desc_count; i++) {
 350                 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
 351                 retval = ext2fs_get_free_blocks2(fs, goal, end,
 352                                                  fs->inode_blocks_per_group,
 353                                                  fs->block_map, &goal);
 354                 if (retval)
 355                         return retval;
 356                 ext2fs_block_alloc_stats_range(fs, goal,
 357                                                fs->inode_blocks_per_group, +1);
 358                 ext2fs_inode_table_loc_set(fs, i, goal);
 359                 ext2fs_group_desc_csum_set(fs, i);
 360         }
 361         return 0;
 362 }
 363
 364 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
 365 {
 366         errcode_t       retval;
 367         blk64_t         start = 0;
 368         dgrp_t          i;
 369         int             len = 0;
 370         struct ext2fs_numeric_progress_struct progress;
 371
 372         ext2fs_numeric_progress_init(fs, &progress,
 373                                      _("Writing inode tables: "),
 374                                      fs->group_desc_count);
 375
 376         for (i = 0; i < fs->group_desc_count; i++) {
 377                 blk64_t blk = ext2fs_inode_table_loc(fs, i);
 378                 int num = fs->inode_blocks_per_group;
 379
 380                 ext2fs_numeric_progress_update(fs, &progress, i);
 381
 382                 if (lazy_flag)
 383                         num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
 384                                                ext2fs_bg_itable_unused(fs, i)) *
 385                                               EXT2_INODE_SIZE(fs->super),
 386                                               EXT2_BLOCK_SIZE(fs->super));
 387                 if (!lazy_flag || itable_zeroed) {
 388                         /* The kernel doesn't need to zero the itable blocks */
 389                         ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
 390                         ext2fs_group_desc_csum_set(fs, i);
 391                 }
 392                 if (!itable_zeroed) {
 393                         if (len == 0) {
 394                                 start = blk;
 395                                 len = num;
 396                                 continue;
 397                         }
 398                         /* 'len' must not overflow 2^31 blocks for ext2fs_zero_blocks2() */
 399                         if (start + len == blk && len + num >= len) {
 400                                 len += num;
 401                                 continue;
 402                         }
 403                         retval = ext2fs_zero_blocks2(fs, start, len, &start, &len);
 404                         if (retval) {
 405                                 fprintf(stderr, _("\nCould not write %d "
 406                                           "blocks in inode table starting at %llu: %s\n"),
 407                                         len, (unsigned long long) start,
 408                                         error_message(retval));
 409                                 exit(1);
 410                         }
 411                         start = blk;
 412                         len = num;
 413                 }
 414                 if (sync_kludge) {
 415                         if (sync_kludge == 1)
 416                                 io_channel_flush(fs->io);
 417                         else if ((i % sync_kludge) == 0)
 418                                 io_channel_flush(fs->io);
 419                 }
 420         }
 421         if (len) {
 422                 retval = ext2fs_zero_blocks2(fs, start, len, &start, &len);
 423                 if (retval) {
 424                         fprintf(stderr, _("\nCould not write %d "
 425                                   "blocks in inode table starting at %llu: %s\n"),
 426                                 len, (unsigned long long) start,
 427                                 error_message(retval));
 428                         exit(1);
 429                 }
 430                 if (sync_kludge)
 431                         io_channel_flush(fs->io);
 432         }
 433         ext2fs_numeric_progress_close(fs, &progress,
 434                                       _("done                            \n"));
 435
 436         /* Reserved inodes must always have correct checksums */
 437         if (ext2fs_has_feature_metadata_csum(fs->super))
 438                 write_reserved_inodes(fs);
 439 }
 440
 441 static void create_root_dir(ext2_filsys fs)
 442 {
 443         errcode_t               retval;
 444         struct ext2_inode       inode;
 445         int need_inode_change;
 446
 447         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
 448         if (retval) {
 449                 com_err("ext2fs_mkdir", retval, "%s",
 450                         _("while creating root dir"));
 451                 exit(1);
 452         }
 453
 454         need_inode_change = (int)(root_uid != 0 || root_gid != 0 || root_perms != (mode_t)-1);
 455
 456         if (need_inode_change) {
 457                 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
 458                 if (retval) {
 459                         com_err("ext2fs_read_inode", retval, "%s",
 460                                 _("while reading root inode"));
 461                         exit(1);
 462                 }
 463         }
 464
 465         if (root_uid != 0 || root_gid != 0) {
 466                 inode.i_uid = root_uid;
 467                 ext2fs_set_i_uid_high(inode, root_uid >> 16);
 468                 inode.i_gid = root_gid;
 469                 ext2fs_set_i_gid_high(inode, root_gid >> 16);
 470         }
 471
 472         if (root_perms != (mode_t)-1) {
 473                 inode.i_mode = LINUX_S_IFDIR | root_perms;
 474         }
 475
 476         if (need_inode_change) {
 477                 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
 478                 if (retval) {
 479                         com_err("ext2fs_write_inode", retval, "%s",
 480                                 _("while setting root inode ownership"));
 481                         exit(1);
 482                 }
 483         }
 484 }
 485
 486 static void create_lost_and_found(ext2_filsys fs)
 487 {
 488         unsigned int            lpf_size = 0;
 489         errcode_t               retval;
 490         ext2_ino_t              ino;
 491         const char              *name = "lost+found";
 492         int                     i;
 493
 494         fs->umask = 077;
 495         retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
 496         if (retval) {
 497                 com_err("ext2fs_mkdir", retval, "%s",
 498                         _("while creating /lost+found"));
 499                 exit(1);
 500         }
 501
 502         retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
 503         if (retval) {
 504                 com_err("ext2_lookup", retval, "%s",
 505                         _("while looking up /lost+found"));
 506                 exit(1);
 507         }
 508
 509         for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
 510                 /* Ensure that lost+found is at least 2 blocks, so we always
 511                  * test large empty blocks for big-block filesystems.  */
 512                 if ((lpf_size += fs->blocksize) >= 16*1024 &&
 513                     lpf_size >= 2 * fs->blocksize)
 514                         break;
 515                 retval = ext2fs_expand_dir(fs, ino);
 516                 if (retval) {
 517                         com_err("ext2fs_expand_dir", retval, "%s",
 518                                 _("while expanding /lost+found"));
 519                         exit(1);
 520                 }
 521         }
 522 }
 523
 524 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
 525 {
 526         errcode_t       retval;
 527
 528         ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
 529         ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
 530         retval = ext2fs_update_bb_inode(fs, bb_list);
 531         if (retval) {
 532                 com_err("ext2fs_update_bb_inode", retval, "%s",
 533                         _("while setting bad block inode"));
 534                 exit(1);
 535         }
 536
 537 }
 538
 539 static void reserve_inodes(ext2_filsys fs)
 540 {
 541         ext2_ino_t      i;
 542
 543         for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
 544                 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
 545         ext2fs_mark_ib_dirty(fs);
 546 }
 547
 548 #define BSD_DISKMAGIC   (0x82564557UL)  /* The disk magic number */
 549 #define BSD_MAGICDISK   (0x57455682UL)  /* The disk magic number reversed */
 550 #define BSD_LABEL_OFFSET        64
 551
 552 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 553 {
 554         char *buf;
 555         int retval;
 556         unsigned int *magic;
 557
 558         buf = calloc(512, nsect);
 559         if (!buf) {
 560                 printf(_("Out of memory erasing sectors %d-%d\n"),
 561                        sect, sect + nsect - 1);
 562                 exit(1);
 563         }
 564
 565         if (sect == 0) {
 566                 /* Check for a BSD disklabel, and don't erase it if so */
 567                 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
 568                 if (retval)
 569                         fprintf(stderr,
 570                                 _("Warning: could not read block 0: %s\n"),
 571                                 error_message(retval));
 572                 else {
 573                         magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
 574                         if ((*magic == BSD_DISKMAGIC) ||
 575                             (*magic == BSD_MAGICDISK)) {
 576                                 free(buf);
 577                                 return;
 578                         }
 579                 }
 580         }
 581
 582         memset(buf, 0, 512*nsect);
 583         io_channel_set_blksize(fs->io, 512);
 584         retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
 585         io_channel_set_blksize(fs->io, fs->blocksize);
 586         free(buf);
 587         if (retval)
 588                 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
 589                         sect, error_message(retval));
 590 }
 591
 592 static void create_journal_dev(ext2_filsys fs)
 593 {
 594         struct ext2fs_numeric_progress_struct progress;
 595         errcode_t               retval;
 596         char                    *buf;
 597         blk64_t                 blk, err_blk;
 598         int                     c, count, err_count;
 599         struct ext2fs_journal_params    jparams;
 600
 601         retval = ext2fs_get_journal_params(&jparams, fs);
 602         if (retval) {
 603                 com_err("create_journal_dev", retval, "%s",
 604                         _("while splitting the journal size"));
 605                 exit(1);
 606         }
 607
 608         retval = ext2fs_create_journal_superblock2(fs, &jparams, 0, &buf);
 609         if (retval) {
 610                 com_err("create_journal_dev", retval, "%s",
 611                         _("while initializing journal superblock"));
 612                 exit(1);
 613         }
 614
 615         if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
 616                 goto write_superblock;
 617
 618         ext2fs_numeric_progress_init(fs, &progress,
 619                                      _("Zeroing journal device: "),
 620                                      ext2fs_blocks_count(fs->super));
 621         blk = 0;
 622         count = ext2fs_blocks_count(fs->super);
 623         while (count > 0) {
 624                 if (count > 1024)
 625                         c = 1024;
 626                 else
 627                         c = count;
 628                 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
 629                 if (retval) {
 630                         com_err("create_journal_dev", retval,
 631                                 _("while zeroing journal device "
 632                                   "(block %llu, count %d)"),
 633                                 (unsigned long long) err_blk, err_count);
 634                         exit(1);
 635                 }
 636                 blk += c;
 637                 count -= c;
 638                 ext2fs_numeric_progress_update(fs, &progress, blk);
 639         }
 640
 641         ext2fs_numeric_progress_close(fs, &progress, NULL);
 642 write_superblock:
 643         retval = io_channel_write_blk64(fs->io,
 644                                         fs->super->s_first_data_block+1,
 645                                         1, buf);
 646         (void) ext2fs_free_mem(&buf);
 647         if (retval) {
 648                 com_err("create_journal_dev", retval, "%s",
 649                         _("while writing journal superblock"));
 650                 exit(1);
 651         }
 652 }
 653
 654 static void show_stats(ext2_filsys fs)
 655 {
 656         struct ext2_super_block *s = fs->super;
 657         char                    *os;
 658         blk64_t                 group_block;
 659         dgrp_t                  i;
 660         int                     need, col_left;
 661
 662         if (!verbose) {
 663                 printf(_("Creating filesystem with %llu %dk blocks and "
 664                          "%u inodes\n"),
 665                        (unsigned long long) ext2fs_blocks_count(s),
 666                        fs->blocksize >> 10, s->s_inodes_count);
 667                 goto skip_details;
 668         }
 669
 670         if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
 671                 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
 672                         (unsigned long long) (ext2fs_blocks_count(&fs_param) -
 673                                               ext2fs_blocks_count(s)));
 674
 675         printf(_("Filesystem label=%.*s\n"), EXT2_LEN_STR(s->s_volume_name));
 676
 677         os = e2p_os2string(fs->super->s_creator_os);
 678         if (os)
 679                 printf(_("OS type: %s\n"), os);
 680         free(os);
 681         printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
 682                 s->s_log_block_size);
 683         if (ext2fs_has_feature_bigalloc(fs->super))
 684                 printf(_("Cluster size=%u (log=%u)\n"),
 685                        fs->blocksize << fs->cluster_ratio_bits,
 686                        s->s_log_cluster_size);
 687         else
 688                 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
 689                        s->s_log_cluster_size);
 690         printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
 691                s->s_raid_stride, s->s_raid_stripe_width);
 692         printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
 693                (unsigned long long) ext2fs_blocks_count(s));
 694         printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
 695                (unsigned long long) ext2fs_r_blocks_count(s),
 696                100.0 *  ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
 697         printf(_("First data block=%u\n"), s->s_first_data_block);
 698         if (root_uid != 0 || root_gid != 0)
 699                 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
 700         if (s->s_reserved_gdt_blocks)
 701                 printf(_("Maximum filesystem blocks=%lu\n"),
 702                        (s->s_reserved_gdt_blocks + fs->desc_blocks) *
 703                        EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
 704         if (fs->group_desc_count > 1)
 705                 printf(_("%u block groups\n"), fs->group_desc_count);
 706         else
 707                 printf(_("%u block group\n"), fs->group_desc_count);
 708         if (ext2fs_has_feature_bigalloc(fs->super))
 709                 printf(_("%u blocks per group, %u clusters per group\n"),
 710                        s->s_blocks_per_group, s->s_clusters_per_group);
 711         else
 712                 printf(_("%u blocks per group, %u fragments per group\n"),
 713                        s->s_blocks_per_group, s->s_clusters_per_group);
 714         printf(_("%u inodes per group\n"), s->s_inodes_per_group);
 715
 716 skip_details:
 717         if (fs->group_desc_count == 1) {
 718                 printf("\n");
 719                 return;
 720         }
 721
 722         if (!e2p_is_null_uuid(s->s_uuid))
 723                 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
 724         printf("%s", _("Superblock backups stored on blocks: "));
 725         group_block = s->s_first_data_block;
 726         col_left = 0;
 727         for (i = 1; i < fs->group_desc_count; i++) {
 728                 group_block += s->s_blocks_per_group;
 729                 if (!ext2fs_bg_has_super(fs, i))
 730                         continue;
 731                 if (i != 1)
 732                         printf(", ");
 733                 need = int_log10(group_block) + 2;
 734                 if (need > col_left) {
 735                         printf("\n\t");
 736                         col_left = 72;
 737                 }
 738                 col_left -= need;
 739                 printf("%llu", (unsigned long long) group_block);
 740         }
 741         printf("\n\n");
 742 }
 743
 744 /*
 745  * Returns true if making a file system for the Hurd, else 0
 746  */
 747 static int for_hurd(const char *os)
 748 {
 749         if (!os) {
 750 #ifdef __GNU__
 751                 return 1;
 752 #else
 753                 return 0;
 754 #endif
 755         }
 756         if (isdigit(*os))
 757                 return (atoi(os) == EXT2_OS_HURD);
 758         return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
 759 }
 760
 761 /*
 762  * Set the S_CREATOR_OS field.  Return true if OS is known,
 763  * otherwise, 0.
 764  */
 765 static int set_os(struct ext2_super_block *sb, char *os)
 766 {
 767         if (isdigit (*os))
 768                 sb->s_creator_os = atoi (os);
 769         else if (strcasecmp(os, "linux") == 0)
 770                 sb->s_creator_os = EXT2_OS_LINUX;
 771         else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
 772                 sb->s_creator_os = EXT2_OS_HURD;
 773         else if (strcasecmp(os, "freebsd") == 0)
 774                 sb->s_creator_os = EXT2_OS_FREEBSD;
 775         else if (strcasecmp(os, "lites") == 0)
 776                 sb->s_creator_os = EXT2_OS_LITES;
 777         else
 778                 return 0;
 779         return 1;
 780 }
 781
 782 #define PATH_SET "PATH=/sbin"
 783
 784 static void parse_extended_opts(struct ext2_super_block *param,
 785                                 const char *opts)
 786 {
 787         char    *buf, *token, *next, *p, *arg, *badopt = 0;
 788         int     len;
 789         int     r_usage = 0;
 790         int     ret;
 791         int     encoding = -1;
 792         char    *encoding_flags = NULL;
 793
 794         len = strlen(opts);
 795         buf = malloc(len+1);
 796         if (!buf) {
 797                 fprintf(stderr, "%s",
 798                         _("Couldn't allocate memory to parse options!\n"));
 799                 exit(1);
 800         }
 801         strcpy(buf, opts);
 802         for (token = buf; token && *token; token = next) {
 803                 p = strchr(token, ',');
 804                 next = 0;
 805                 if (p) {
 806                         *p = 0;
 807                         next = p+1;
 808                 }
 809                 arg = strchr(token, '=');
 810                 if (arg) {
 811                         *arg = 0;
 812                         arg++;
 813                 }
 814                 if (strcmp(token, "desc-size") == 0 ||
 815                     strcmp(token, "desc_size") == 0) {
 816                         int desc_size;
 817
 818                         if (!ext2fs_has_feature_64bit(&fs_param)) {
 819                                 fprintf(stderr,
 820                                         _("%s requires '-O 64bit'\n"), token);
 821                                 r_usage++;
 822                                 continue;
 823                         }
 824                         if (param->s_reserved_gdt_blocks != 0) {
 825                                 fprintf(stderr,
 826                                         _("'%s' must be before 'resize=%u'\n"),
 827                                         token, param->s_reserved_gdt_blocks);
 828                                 r_usage++;
 829                                 continue;
 830                         }
 831                         if (!arg) {
 832                                 r_usage++;
 833                                 badopt = token;
 834                                 continue;
 835                         }
 836                         desc_size = strtoul(arg, &p, 0);
 837                         if (*p || (desc_size & (desc_size - 1))) {
 838                                 fprintf(stderr,
 839                                         _("Invalid desc_size: '%s'\n"), arg);
 840                                 r_usage++;
 841                                 continue;
 842                         }
 843                         param->s_desc_size = desc_size;
 844                 } else if (strcmp(token, "hash_seed") == 0) {
 845                         if (!arg) {
 846                                 r_usage++;
 847                                 badopt = token;
 848                                 continue;
 849                         }
 850                         if (uuid_parse(arg,
 851                                 (unsigned char *)param->s_hash_seed) != 0) {
 852                                 fprintf(stderr,
 853                                         _("Invalid hash seed: %s\n"), arg);
 854                                 r_usage++;
 855                                 continue;
 856                         }
 857                 } else if (strcmp(token, "offset") == 0) {
 858                         if (!arg) {
 859                                 r_usage++;
 860                                 badopt = token;
 861                                 continue;
 862                         }
 863                         offset = strtoull(arg, &p, 0);
 864                         if (*p) {
 865                                 fprintf(stderr, _("Invalid offset: %s\n"),
 866                                         arg);
 867                                 r_usage++;
 868                                 continue;
 869                         }
 870                 } else if (strcmp(token, "mmp_update_interval") == 0) {
 871                         if (!arg) {
 872                                 r_usage++;
 873                                 badopt = token;
 874                                 continue;
 875                         }
 876                         param->s_mmp_update_interval = strtoul(arg, &p, 0);
 877                         if (*p) {
 878                                 fprintf(stderr,
 879                                         _("Invalid mmp_update_interval: %s\n"),
 880                                         arg);
 881                                 r_usage++;
 882                                 continue;
 883                         }
 884                 } else if (strcmp(token, "no_copy_xattrs") == 0) {
 885                         no_copy_xattrs = 1;
 886                         continue;
 887                 } else if (strcmp(token, "num_backup_sb") == 0) {
 888                         if (!arg) {
 889                                 r_usage++;
 890                                 badopt = token;
 891                                 continue;
 892                         }
 893                         num_backups = strtoul(arg, &p, 0);
 894                         if (*p || num_backups > 2) {
 895                                 fprintf(stderr,
 896                                         _("Invalid # of backup "
 897                                           "superblocks: %s\n"),
 898                                         arg);
 899                                 r_usage++;
 900                                 continue;
 901                         }
 902                 } else if (strcmp(token, "packed_meta_blocks") == 0) {
 903                         if (arg)
 904                                 packed_meta_blocks = strtoul(arg, &p, 0);
 905                         else
 906                                 packed_meta_blocks = 1;
 907                         if (packed_meta_blocks)
 908                                 journal_location = 0;
 909                 } else if (strcmp(token, "stride") == 0) {
 910                         if (!arg) {
 911                                 r_usage++;
 912                                 badopt = token;
 913                                 continue;
 914                         }
 915                         param->s_raid_stride = strtoul(arg, &p, 0);
 916                         if (*p) {
 917                                 fprintf(stderr,
 918                                         _("Invalid stride parameter: %s\n"),
 919                                         arg);
 920                                 r_usage++;
 921                                 continue;
 922                         }
 923                 } else if (strcmp(token, "stripe-width") == 0 ||
 924                            strcmp(token, "stripe_width") == 0) {
 925                         if (!arg) {
 926                                 r_usage++;
 927                                 badopt = token;
 928                                 continue;
 929                         }
 930                         param->s_raid_stripe_width = strtoul(arg, &p, 0);
 931                         if (*p) {
 932                                 fprintf(stderr,
 933                                         _("Invalid stripe-width parameter: %s\n"),
 934                                         arg);
 935                                 r_usage++;
 936                                 continue;
 937                         }
 938                 } else if (!strcmp(token, "resize")) {
 939                         blk64_t resize;
 940                         unsigned long bpg, rsv_groups;
 941                         unsigned long group_desc_count, desc_blocks;
 942                         unsigned int gdpb, blocksize;
 943                         int rsv_gdb;
 944
 945                         if (!arg) {
 946                                 r_usage++;
 947                                 badopt = token;
 948                                 continue;
 949                         }
 950
 951                         resize = parse_num_blocks2(arg,
 952                                                    param->s_log_block_size);
 953
 954                         if (resize == 0) {
 955                                 fprintf(stderr,
 956                                         _("Invalid resize parameter: %s\n"),
 957                                         arg);
 958                                 r_usage++;
 959                                 continue;
 960                         }
 961                         if (resize <= ext2fs_blocks_count(param)) {
 962                                 fprintf(stderr, "%s",
 963                                         _("The resize maximum must be greater "
 964                                           "than the filesystem size.\n"));
 965                                 r_usage++;
 966                                 continue;
 967                         }
 968
 969                         blocksize = EXT2_BLOCK_SIZE(param);
 970                         bpg = param->s_blocks_per_group;
 971                         if (!bpg)
 972                                 bpg = blocksize * 8;
 973                         gdpb = EXT2_DESC_PER_BLOCK(param);
 974                         group_desc_count = (__u32) ext2fs_div64_ceil(
 975                                 ext2fs_blocks_count(param), bpg);
 976                         desc_blocks = (group_desc_count +
 977                                        gdpb - 1) / gdpb;
 978                         rsv_groups = ext2fs_div64_ceil(resize, bpg);
 979                         rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
 980                                 desc_blocks;
 981                         if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
 982                                 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
 983
 984                         if (rsv_gdb > 0) {
 985                                 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
 986                                         fprintf(stderr, "%s",
 987         _("On-line resizing not supported with revision 0 filesystems\n"));
 988                                         free(buf);
 989                                         exit(1);
 990                                 }
 991                                 ext2fs_set_feature_resize_inode(param);
 992
 993                                 param->s_reserved_gdt_blocks = rsv_gdb;
 994                         }
 995                 } else if (!strcmp(token, "test_fs")) {
 996                         param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
 997                 } else if (!strcmp(token, "lazy_itable_init")) {
 998                         if (arg)
 999                                 lazy_itable_init = strtoul(arg, &p, 0);
1000                         else
1001                                 lazy_itable_init = 1;
1002                 } else if (!strcmp(token, "assume_storage_prezeroed")) {
1003                         if (arg)
1004                                 assume_storage_prezeroed = strtoul(arg, &p, 0);
1005                         else
1006                                 assume_storage_prezeroed = 1;
1007                 } else if (!strcmp(token, "lazy_journal_init")) {
1008                         if (arg)
1009                                 journal_flags |= strtoul(arg, &p, 0) ?
1010                                                 EXT2_MKJOURNAL_LAZYINIT : 0;
1011                         else
1012                                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
1013                 } else if (!strcmp(token, "root_owner")) {
1014                         if (arg) {
1015                                 root_uid = strtoul(arg, &p, 0);
1016                                 if (*p != ':') {
1017                                         fprintf(stderr,
1018                                                 _("Invalid root_owner: '%s'\n"),
1019                                                 arg);
1020                                         r_usage++;
1021                                         continue;
1022                                 }
1023                                 p++;
1024                                 root_gid = strtoul(p, &p, 0);
1025                                 if (*p) {
1026                                         fprintf(stderr,
1027                                                 _("Invalid root_owner: '%s'\n"),
1028                                                 arg);
1029                                         r_usage++;
1030                                         continue;
1031                                 }
1032                         } else {
1033                                 root_uid = getuid();
1034                                 root_gid = getgid();
1035                         }
1036                 } else if (!strcmp(token, "root_perms")) {
1037                         if (arg) {
1038                                 root_perms = strtoul(arg, &p, 8);
1039                         }
1040                 } else if (!strcmp(token, "discard")) {
1041                         discard = 1;
1042                 } else if (!strcmp(token, "nodiscard")) {
1043                         discard = 0;
1044                 } else if (!strcmp(token, "quotatype")) {
1045                         char *errtok = NULL;
1046
1047                         if (!arg) {
1048                                 r_usage++;
1049                                 badopt = token;
1050                                 continue;
1051                         }
1052                         quotatype_bits = 0;
1053                         ret = parse_quota_types(arg, &quotatype_bits, &errtok);
1054                         if (ret) {
1055                                 if (errtok) {
1056                                         fprintf(stderr,
1057                                 "Failed to parse quota type at %s", errtok);
1058                                         free(errtok);
1059                                 } else
1060                                         com_err(program_name, ret,
1061                                                 "while parsing quota type");
1062                                 r_usage++;
1063                                 badopt = token;
1064                                 continue;
1065                         }
1066                 } else if (!strcmp(token, "android_sparse")) {
1067                         android_sparse_file = 1;
1068                 } else if (!strcmp(token, "encoding")) {
1069                         if (!arg) {
1070                                 r_usage++;
1071                                 continue;
1072                         }
1073
1074                         encoding = e2p_str2encoding(arg);
1075                         if (encoding < 0) {
1076                                 fprintf(stderr, _("Invalid encoding: %s"), arg);
1077                                 r_usage++;
1078                                 continue;
1079                         }
1080                         param->s_encoding = encoding;
1081                         ext2fs_set_feature_casefold(param);
1082                 } else if (!strcmp(token, "encoding_flags")) {
1083                         if (!arg) {
1084                                 r_usage++;
1085                                 continue;
1086                         }
1087                         encoding_flags = arg;
1088                 } else if (!strcmp(token, "orphan_file_size")) {
1089                         if (!arg) {
1090                                 r_usage++;
1091                                 badopt = token;
1092                                 continue;
1093                         }
1094                         orphan_file_blocks = parse_num_blocks2(arg,
1095                                                 fs_param.s_log_block_size);
1096                         if (orphan_file_blocks == 0) {
1097                                 fprintf(stderr,
1098                                         _("Invalid size of orphan file %s\n"),
1099                                         arg);
1100                                 r_usage++;
1101                                 continue;
1102                         }
1103                 } else {
1104                         r_usage++;
1105                         badopt = token;
1106                 }
1107         }
1108         if (r_usage) {
1109                 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1110                         "Extended options are separated by commas, "
1111                         "and may take an argument which\n"
1112                         "\tis set off by an equals ('=') sign.\n\n"
1113                         "Valid extended options are:\n"
1114                         "\tmmp_update_interval=<interval>\n"
1115                         "\tnum_backup_sb=<0|1|2>\n"
1116                         "\tstride=<RAID per-disk data chunk in blocks>\n"
1117                         "\tstripe-width=<RAID stride * data disks in blocks>\n"
1118                         "\toffset=<offset to create the file system>\n"
1119                         "\tresize=<resize maximum size in blocks>\n"
1120                         "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1121                         "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1122                         "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1123                         "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1124                         "\troot_perms=<octal root directory permissions>\n"
1125                         "\ttest_fs\n"
1126                         "\tdiscard\n"
1127                         "\tnodiscard\n"
1128                         "\tencoding=<encoding>\n"
1129                         "\tencoding_flags=<flags>\n"
1130                         "\tquotatype=<quota type(s) to be enabled>\n"
1131                         "\tassume_storage_prezeroed=<0 to disable, 1 to enable>\n\n"),
1132                         badopt ? badopt : "");
1133                 free(buf);
1134                 exit(1);
1135         }
1136         if (param->s_raid_stride &&
1137             (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1138                 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1139                                   "multiple of stride %u.\n\n"),
1140                         param->s_raid_stripe_width, param->s_raid_stride);
1141
1142         if (ext2fs_has_feature_casefold(param)) {
1143                 param->s_encoding_flags =
1144                         e2p_get_encoding_flags(param->s_encoding);
1145
1146                 if (encoding_flags &&
1147                     e2p_str2encoding_flags(param->s_encoding, encoding_flags,
1148                                            &param->s_encoding_flags)) {
1149                         fprintf(stderr, _("error: Invalid encoding flag: %s\n"),
1150                                 encoding_flags);
1151                         free(buf);
1152                         exit(1);
1153                 }
1154         } else if (encoding_flags) {
1155                 fprintf(stderr, _("error: An encoding must be explicitly "
1156                                   "specified when passing encoding-flags\n"));
1157                 free(buf);
1158                 exit(1);
1159         }
1160
1161         free(buf);
1162 }
1163
1164 static __u32 ok_features[3] = {
1165         /* Compat */
1166         EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1167                 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1168                 EXT2_FEATURE_COMPAT_DIR_INDEX |
1169                 EXT2_FEATURE_COMPAT_EXT_ATTR |
1170                 EXT4_FEATURE_COMPAT_SPARSE_SUPER2 |
1171                 EXT4_FEATURE_COMPAT_FAST_COMMIT |
1172                 EXT4_FEATURE_COMPAT_STABLE_INODES |
1173                 EXT4_FEATURE_COMPAT_ORPHAN_FILE,
1174         /* Incompat */
1175         EXT2_FEATURE_INCOMPAT_FILETYPE|
1176                 EXT3_FEATURE_INCOMPAT_EXTENTS|
1177                 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1178                 EXT2_FEATURE_INCOMPAT_META_BG|
1179                 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1180                 EXT4_FEATURE_INCOMPAT_EA_INODE|
1181                 EXT4_FEATURE_INCOMPAT_MMP |
1182                 EXT4_FEATURE_INCOMPAT_DIRDATA|
1183                 EXT4_FEATURE_INCOMPAT_64BIT|
1184                 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1185                 EXT4_FEATURE_INCOMPAT_ENCRYPT |
1186                 EXT4_FEATURE_INCOMPAT_CASEFOLD |
1187                 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
1188                 EXT4_FEATURE_INCOMPAT_LARGEDIR,
1189         /* R/O compat */
1190         EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1191                 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1192                 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1193                 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1194                 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1195                 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1196                 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1197                 EXT4_FEATURE_RO_COMPAT_QUOTA|
1198                 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1199                 EXT4_FEATURE_RO_COMPAT_PROJECT|
1200                 EXT4_FEATURE_RO_COMPAT_VERITY
1201 };
1202
1203
1204 static void syntax_err_report(const char *filename, long err, int line_num)
1205 {
1206         fprintf(stderr,
1207                 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1208                 filename, line_num, error_message(err));
1209         exit(1);
1210 }
1211
1212 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1213
1214 static void edit_feature(const char *str, __u32 *compat_array)
1215 {
1216         if (!str)
1217                 return;
1218
1219         if (e2p_edit_feature(str, compat_array, ok_features)) {
1220                 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1221                         str);
1222                 exit(1);
1223         }
1224 }
1225
1226 static void edit_mntopts(const char *str, __u32 *mntopts)
1227 {
1228         if (!str)
1229                 return;
1230
1231         if (e2p_edit_mntopts(str, mntopts, ~0)) {
1232                 fprintf(stderr, _("Invalid mount option set: %s\n"),
1233                         str);
1234                 exit(1);
1235         }
1236 }
1237
1238 struct str_list {
1239         char **list;
1240         int num;
1241         int max;
1242 };
1243
1244 static errcode_t init_list(struct str_list *sl)
1245 {
1246         sl->num = 0;
1247         sl->max = 1;
1248         sl->list = malloc((sl->max+1) * sizeof(char *));
1249         if (!sl->list)
1250                 return ENOMEM;
1251         sl->list[0] = 0;
1252         return 0;
1253 }
1254
1255 static errcode_t push_string(struct str_list *sl, const char *str)
1256 {
1257         char **new_list;
1258
1259         if (sl->num >= sl->max) {
1260                 sl->max += 2;
1261                 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1262                 if (!new_list)
1263                         return ENOMEM;
1264                 sl->list = new_list;
1265         }
1266         sl->list[sl->num] = malloc(strlen(str)+1);
1267         if (sl->list[sl->num] == 0)
1268                 return ENOMEM;
1269         strcpy(sl->list[sl->num], str);
1270         sl->num++;
1271         sl->list[sl->num] = 0;
1272         return 0;
1273 }
1274
1275 static void print_str_list(char **list)
1276 {
1277         char **cpp;
1278
1279         for (cpp = list; *cpp; cpp++) {
1280                 printf("'%s'", *cpp);
1281                 if (cpp[1])
1282                         fputs(", ", stdout);
1283         }
1284         fputc('\n', stdout);
1285 }
1286
1287 /*
1288  * Return TRUE if the profile has the given subsection
1289  */
1290 static int profile_has_subsection(profile_t prof, const char *section,
1291                                   const char *subsection)
1292 {
1293         void                    *state;
1294         const char              *names[4];
1295         char                    *name;
1296         int                     ret = 0;
1297
1298         names[0] = section;
1299         names[1] = subsection;
1300         names[2] = 0;
1301
1302         if (profile_iterator_create(prof, names,
1303                                     PROFILE_ITER_LIST_SECTION |
1304                                     PROFILE_ITER_RELATIONS_ONLY, &state))
1305                 return 0;
1306
1307         if ((profile_iterator(&state, &name, 0) == 0) && name) {
1308                 free(name);
1309                 ret = 1;
1310         }
1311
1312         profile_iterator_free(&state);
1313         return ret;
1314 }
1315
1316 static char **parse_fs_type(const char *fs_type,
1317                             const char *usage_types,
1318                             struct ext2_super_block *sb,
1319                             blk64_t fs_blocks_count,
1320                             char *progname)
1321 {
1322         const char      *ext_type = 0;
1323         char            *parse_str;
1324         char            *profile_type = 0;
1325         char            *cp, *t;
1326         const char      *size_type;
1327         struct str_list list;
1328         unsigned long long meg;
1329         int             is_hurd = for_hurd(creator_os);
1330
1331         if (init_list(&list))
1332                 return 0;
1333
1334         if (fs_type)
1335                 ext_type = fs_type;
1336         else if (is_hurd)
1337                 ext_type = "ext2";
1338         else if (!strcmp(program_name, "mke3fs"))
1339                 ext_type = "ext3";
1340         else if (!strcmp(program_name, "mke4fs"))
1341                 ext_type = "ext4";
1342         else if (progname) {
1343                 ext_type = strrchr(progname, '/');
1344                 if (ext_type)
1345                         ext_type++;
1346                 else
1347                         ext_type = progname;
1348
1349                 if (!strncmp(ext_type, "mkfs.", 5)) {
1350                         ext_type += 5;
1351                         if (ext_type[0] == 0)
1352                                 ext_type = 0;
1353                 } else
1354                         ext_type = 0;
1355         }
1356
1357         if (!ext_type) {
1358                 profile_get_string(profile, "defaults", "fs_type", 0,
1359                                    "ext2", &profile_type);
1360                 ext_type = profile_type;
1361                 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1362                         ext_type = "ext3";
1363         }
1364
1365
1366         if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1367             strcmp(ext_type, "ext2")) {
1368                 printf(_("\nYour mke2fs.conf file does not define the "
1369                          "%s filesystem type.\n"), ext_type);
1370                 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1371                     !strcmp(ext_type, "ext4dev")) {
1372                         printf("%s", _("You probably need to install an "
1373                                        "updated mke2fs.conf file.\n\n"));
1374                 }
1375                 if (!force) {
1376                         printf("%s", _("Aborting...\n"));
1377                         exit(1);
1378                 }
1379         }
1380
1381         meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1382         if (fs_blocks_count < 3 * meg)
1383                 size_type = "floppy";
1384         else if (fs_blocks_count < 512 * meg)
1385                 size_type = "small";
1386         else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1387                 size_type = "default";
1388         else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1389                 size_type = "big";
1390         else
1391                 size_type = "huge";
1392
1393         if (!usage_types)
1394                 usage_types = size_type;
1395
1396         parse_str = malloc(strlen(usage_types)+1);
1397         if (!parse_str) {
1398                 free(profile_type);
1399                 free(list.list);
1400                 return 0;
1401         }
1402         strcpy(parse_str, usage_types);
1403
1404         if (ext_type)
1405                 push_string(&list, ext_type);
1406         cp = parse_str;
1407         while (1) {
1408                 t = strchr(cp, ',');
1409                 if (t)
1410                         *t = '\0';
1411
1412                 if (*cp) {
1413                         if (profile_has_subsection(profile, "fs_types", cp))
1414                                 push_string(&list, cp);
1415                         else if (strcmp(cp, "default") != 0)
1416                                 fprintf(stderr,
1417                                         _("\nWarning: the fs_type %s is not "
1418                                           "defined in mke2fs.conf\n\n"),
1419                                         cp);
1420                 }
1421                 if (t)
1422                         cp = t+1;
1423                 else
1424                         break;
1425         }
1426         free(parse_str);
1427         free(profile_type);
1428         if (is_hurd)
1429                 push_string(&list, "hurd");
1430         return (list.list);
1431 }
1432
1433 char *get_string_from_profile(char **types, const char *opt,
1434                                      const char *def_val)
1435 {
1436         char *ret = 0;
1437         int i;
1438
1439         for (i=0; types[i]; i++);
1440         for (i-=1; i >=0 ; i--) {
1441                 profile_get_string(profile, "fs_types", types[i],
1442                                    opt, 0, &ret);
1443                 if (ret)
1444                         return ret;
1445         }
1446         profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1447         return (ret);
1448 }
1449
1450 int get_int_from_profile(char **types, const char *opt, int def_val)
1451 {
1452         int ret;
1453         char **cpp;
1454
1455         profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1456         for (cpp = types; *cpp; cpp++)
1457                 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1458         return ret;
1459 }
1460
1461 static unsigned int get_uint_from_profile(char **types, const char *opt,
1462                                         unsigned int def_val)
1463 {
1464         unsigned int ret;
1465         char **cpp;
1466
1467         profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1468         for (cpp = types; *cpp; cpp++)
1469                 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1470         return ret;
1471 }
1472
1473 static double get_double_from_profile(char **types, const char *opt,
1474                                       double def_val)
1475 {
1476         double ret;
1477         char **cpp;
1478
1479         profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1480         for (cpp = types; *cpp; cpp++)
1481                 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1482         return ret;
1483 }
1484
1485 int get_bool_from_profile(char **types, const char *opt, int def_val)
1486 {
1487         int ret;
1488         char **cpp;
1489
1490         profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1491         for (cpp = types; *cpp; cpp++)
1492                 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1493         return ret;
1494 }
1495
1496 extern const char *mke2fs_default_profile;
1497 static const char *default_files[] = { "<default>", 0 };
1498
1499 struct device_param {
1500         unsigned long min_io;           /* preferred minimum IO size */
1501         unsigned long opt_io;           /* optimal IO size */
1502         unsigned long alignment_offset; /* alignment offset wrt physical block size */
1503         unsigned int dax:1;             /* supports dax? */
1504 };
1505
1506 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1507 /*
1508  * Sets the geometry of a device (stripe/stride), and returns the
1509  * device's alignment offset, if any, or a negative error.
1510  */
1511 static int get_device_geometry(const char *file,
1512                                unsigned int blocksize,
1513                                unsigned int psector_size,
1514                                struct device_param *dev_param)
1515 {
1516         int rc = -1;
1517         blkid_probe pr;
1518         blkid_topology tp;
1519         struct stat statbuf;
1520
1521         memset(dev_param, 0, sizeof(*dev_param));
1522
1523         /* Nothing to do for a regular file */
1524         if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1525                 return 0;
1526
1527         pr = blkid_new_probe_from_filename(file);
1528         if (!pr)
1529                 goto out;
1530
1531         tp = blkid_probe_get_topology(pr);
1532         if (!tp)
1533                 goto out;
1534
1535         dev_param->min_io = blkid_topology_get_minimum_io_size(tp);
1536         dev_param->opt_io = blkid_topology_get_optimal_io_size(tp);
1537         if ((dev_param->min_io == 0) && (psector_size > blocksize))
1538                 dev_param->min_io = psector_size;
1539         if ((dev_param->opt_io == 0) && dev_param->min_io > 0)
1540                 dev_param->opt_io = dev_param->min_io;
1541         if ((dev_param->opt_io == 0) && (psector_size > blocksize))
1542                 dev_param->opt_io = psector_size;
1543
1544         dev_param->alignment_offset = blkid_topology_get_alignment_offset(tp);
1545 #ifdef HAVE_BLKID_TOPOLOGY_GET_DAX
1546         dev_param->dax = blkid_topology_get_dax(tp);
1547 #endif
1548         rc = 0;
1549 out:
1550         blkid_free_probe(pr);
1551         return rc;
1552 }
1553 #endif
1554
1555 static void PRS(int argc, char *argv[])
1556 {
1557         int             b, c, flags;
1558         int             cluster_size = 0;
1559         char            *tmp, **cpp;
1560         int             explicit_fssize = 0;
1561         int             blocksize = 0;
1562         int             inode_ratio = 0;
1563         int             inode_size = 0;
1564         unsigned long   flex_bg_size = 0;
1565         double          reserved_ratio = -1.0;
1566         int             lsector_size = 0, psector_size = 0;
1567         int             show_version_only = 0, is_device = 0;
1568         unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1569         int             default_orphan_file = 0;
1570         int             default_csum_seed = 0;
1571         errcode_t       retval;
1572         char *          oldpath = getenv("PATH");
1573         char *          extended_opts = 0;
1574         char *          fs_type = 0;
1575         char *          usage_types = 0;
1576         /*
1577          * NOTE: A few words about fs_blocks_count and blocksize:
1578          *
1579          * Initially, blocksize is set to zero, which implies 1024.
1580          * If -b is specified, blocksize is updated to the user's value.
1581          *
1582          * Next, the device size or the user's "blocks" command line argument
1583          * is used to set fs_blocks_count; the units are blocksize.
1584          *
1585          * Later, if blocksize hasn't been set and the profile specifies a
1586          * blocksize, then blocksize is updated and fs_blocks_count is scaled
1587          * appropriately.  Note the change in units!
1588          *
1589          * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1590          */
1591         blk64_t         fs_blocks_count = 0;
1592         int             s_opt = -1, r_opt = -1;
1593         char            *fs_features = 0;
1594         int             fs_features_size = 0;
1595         int             use_bsize;
1596         char            *newpath;
1597         int             pathlen = sizeof(PATH_SET) + 1;
1598 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1599         struct device_param dev_param;
1600 #endif
1601
1602         if (oldpath)
1603                 pathlen += strlen(oldpath);
1604         newpath = malloc(pathlen);
1605         if (!newpath) {
1606                 fprintf(stderr, "%s",
1607                         _("Couldn't allocate memory for new PATH.\n"));
1608                 exit(1);
1609         }
1610         strcpy(newpath, PATH_SET);
1611
1612         /* Update our PATH to include /sbin  */
1613         if (oldpath) {
1614                 strcat (newpath, ":");
1615                 strcat (newpath, oldpath);
1616         }
1617         putenv (newpath);
1618
1619         /* Determine the system page size if possible */
1620 #ifdef HAVE_SYSCONF
1621 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1622 #define _SC_PAGESIZE _SC_PAGE_SIZE
1623 #endif
1624 #ifdef _SC_PAGESIZE
1625         {
1626                 long sysval = sysconf(_SC_PAGESIZE);
1627
1628                 if (sysval > 0)
1629                         sys_page_size = sysval;
1630         }
1631 #endif /* _SC_PAGESIZE */
1632 #endif /* HAVE_SYSCONF */
1633
1634         if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1635                 config_fn[0] = tmp;
1636         profile_set_syntax_err_cb(syntax_err_report);
1637         retval = profile_init(config_fn, &profile);
1638         if (retval == ENOENT) {
1639                 retval = profile_init(default_files, &profile);
1640                 if (retval)
1641                         goto profile_error;
1642                 retval = profile_set_default(profile, mke2fs_default_profile);
1643                 if (retval)
1644                         goto profile_error;
1645         } else if (retval) {
1646 profile_error:
1647                 fprintf(stderr, _("Couldn't init profile successfully"
1648                                   " (error: %ld).\n"), retval);
1649                 exit(1);
1650         }
1651
1652         setbuf(stdout, NULL);
1653         setbuf(stderr, NULL);
1654         add_error_table(&et_ext2_error_table);
1655         add_error_table(&et_prof_error_table);
1656         memset(&fs_param, 0, sizeof(struct ext2_super_block));
1657         fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
1658
1659         if (ext2fs_is_before_linux_ver(2, 2, 0))
1660                 fs_param.s_rev_level = 0;
1661
1662         if (argc && *argv) {
1663                 program_name = get_progname(*argv);
1664
1665                 /* If called as mkfs.ext3, create a journal inode */
1666                 if (!strcmp(program_name, "mkfs.ext3") ||
1667                     !strcmp(program_name, "mke3fs"))
1668                         journal_size = -1;
1669         }
1670
1671         while ((c = getopt (argc, argv,
1672                     "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) {
1673                 switch (c) {
1674                 case 'b':
1675                         blocksize = parse_num_blocks2(optarg, -1);
1676                         b = (blocksize > 0) ? blocksize : -blocksize;
1677                         if (b < EXT2_MIN_BLOCK_SIZE ||
1678                             b > EXT2_MAX_BLOCK_SIZE) {
1679                                 com_err(program_name, 0,
1680                                         _("invalid block size - %s"), optarg);
1681                                 exit(1);
1682                         }
1683                         if (blocksize > 4096)
1684                                 fprintf(stderr, _("Warning: blocksize %d not "
1685                                                   "usable on most systems.\n"),
1686                                         blocksize);
1687                         if (blocksize > 0)
1688                                 fs_param.s_log_block_size =
1689                                         int_log2(blocksize >>
1690                                                  EXT2_MIN_BLOCK_LOG_SIZE);
1691                         break;
1692                 case 'c':       /* Check for bad blocks */
1693                         cflag++;
1694                         break;
1695                 case 'C':
1696                         cluster_size = parse_num_blocks2(optarg, -1);
1697                         if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1698                             cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1699                                 com_err(program_name, 0,
1700                                         _("invalid cluster size - %s"),
1701                                         optarg);
1702                                 exit(1);
1703                         }
1704                         break;
1705                 case 'd':
1706                         src_root = optarg;
1707                         break;
1708                 case 'D':
1709                         direct_io = 1;
1710                         break;
1711                 case 'R':
1712                         com_err(program_name, 0, "%s",
1713                                 _("'-R' is deprecated, use '-E' instead"));
1714                         /* fallthrough */
1715                 case 'E':
1716                         extended_opts = optarg;
1717                         break;
1718                 case 'e':
1719                         if (strcmp(optarg, "continue") == 0)
1720                                 errors_behavior = EXT2_ERRORS_CONTINUE;
1721                         else if (strcmp(optarg, "remount-ro") == 0)
1722                                 errors_behavior = EXT2_ERRORS_RO;
1723                         else if (strcmp(optarg, "panic") == 0)
1724                                 errors_behavior = EXT2_ERRORS_PANIC;
1725                         else {
1726                                 com_err(program_name, 0,
1727                                         _("bad error behavior - %s"),
1728                                         optarg);
1729                                 usage();
1730                         }
1731                         break;
1732                 case 'F':
1733                         force++;
1734                         break;
1735                 case 'g':
1736                         fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1737                         if (*tmp) {
1738                                 com_err(program_name, 0, "%s",
1739                                 _("Illegal number for blocks per group"));
1740                                 exit(1);
1741                         }
1742                         if ((fs_param.s_blocks_per_group % 8) != 0) {
1743                                 com_err(program_name, 0, "%s",
1744                                 _("blocks per group must be multiple of 8"));
1745                                 exit(1);
1746                         }
1747                         break;
1748                 case 'G':
1749                         flex_bg_size = strtoul(optarg, &tmp, 0);
1750                         if (*tmp) {
1751                                 com_err(program_name, 0, "%s",
1752                                         _("Illegal number for flex_bg size"));
1753                                 exit(1);
1754                         }
1755                         if (flex_bg_size < 1 ||
1756                             (flex_bg_size & (flex_bg_size-1)) != 0) {
1757                                 com_err(program_name, 0, "%s",
1758                                         _("flex_bg size must be a power of 2"));
1759                                 exit(1);
1760                         }
1761                         if (flex_bg_size > MAX_32_NUM) {
1762                                 com_err(program_name, 0,
1763                                 _("flex_bg size (%lu) must be less than"
1764                                 " or equal to 2^31"), flex_bg_size);
1765                                 exit(1);
1766                         }
1767                         break;
1768                 case 'i':
1769                         inode_ratio = parse_num_blocks(optarg, -1);
1770                         if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1771                             inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1772                                 com_err(program_name, 0,
1773                                         _("invalid inode ratio %s (min %d/max %d)"),
1774                                         optarg, EXT2_MIN_BLOCK_SIZE,
1775                                         EXT2_MAX_BLOCK_SIZE * 1024);
1776                                 exit(1);
1777                         }
1778                         break;
1779                 case 'I':
1780                         inode_size = strtoul(optarg, &tmp, 0);
1781                         if (*tmp) {
1782                                 com_err(program_name, 0,
1783                                         _("invalid inode size - %s"), optarg);
1784                                 exit(1);
1785                         }
1786                         break;
1787                 case 'j':
1788                         if (!journal_size)
1789                                 journal_size = -1;
1790                         if (!journal_fc_size)
1791                                 journal_fc_size = -1;
1792                         break;
1793                 case 'J':
1794                         parse_journal_opts(optarg);
1795                         break;
1796                 case 'K':
1797                         fprintf(stderr, "%s",
1798                                 _("Warning: -K option is deprecated and "
1799                                   "should not be used anymore. Use "
1800                                   "\'-E nodiscard\' extended option "
1801                                   "instead!\n"));
1802                         discard = 0;
1803                         break;
1804                 case 'l':
1805                         bad_blocks_filename = realloc(bad_blocks_filename,
1806                                                       strlen(optarg) + 1);
1807                         if (!bad_blocks_filename) {
1808                                 com_err(program_name, ENOMEM, "%s",
1809                                         _("in malloc for bad_blocks_filename"));
1810                                 exit(1);
1811                         }
1812                         strcpy(bad_blocks_filename, optarg);
1813                         break;
1814                 case 'L':
1815                         volume_label = optarg;
1816                         if (strlen(volume_label) > EXT2_LABEL_LEN) {
1817                                 volume_label[EXT2_LABEL_LEN] = '\0';
1818                                 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"),
1819                                         volume_label);
1820                         }
1821                         break;
1822                 case 'm':
1823                         reserved_ratio = strtod(optarg, &tmp);
1824                         if ( *tmp || reserved_ratio > 50 ||
1825                              reserved_ratio < 0) {
1826                                 com_err(program_name, 0,
1827                                         _("invalid reserved blocks percent - %s"),
1828                                         optarg);
1829                                 exit(1);
1830                         }
1831                         break;
1832                 case 'M':
1833                         mount_dir = optarg;
1834                         break;
1835                 case 'n':
1836                         noaction++;
1837                         break;
1838                 case 'N':
1839                         num_inodes = strtoul(optarg, &tmp, 0);
1840                         if (*tmp) {
1841                                 com_err(program_name, 0,
1842                                         _("bad num inodes - %s"), optarg);
1843                                         exit(1);
1844                         }
1845                         break;
1846                 case 'o':
1847                         creator_os = optarg;
1848                         break;
1849                 case 'O':
1850                         retval = ext2fs_resize_mem(fs_features_size,
1851                                    fs_features_size + 1 + strlen(optarg),
1852                                                    &fs_features);
1853                         if (retval) {
1854                                 com_err(program_name, retval,
1855                                      _("while allocating fs_feature string"));
1856                                 exit(1);
1857                         }
1858                         if (fs_features_size)
1859                                 strcat(fs_features, ",");
1860                         else
1861                                 fs_features[0] = 0;
1862                         strcat(fs_features, optarg);
1863                         fs_features_size += 1 + strlen(optarg);
1864                         break;
1865                 case 'q':
1866                         quiet = 1;
1867                         break;
1868                 case 'r':
1869                         r_opt = strtoul(optarg, &tmp, 0);
1870                         if (*tmp) {
1871                                 com_err(program_name, 0,
1872                                         _("bad revision level - %s"), optarg);
1873                                 exit(1);
1874                         }
1875                         if (r_opt > EXT2_MAX_SUPP_REV) {
1876                                 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1877                                         _("while trying to create revision %d"), r_opt);
1878                                 exit(1);
1879                         }
1880                         fs_param.s_rev_level = r_opt;
1881                         break;
1882                 case 's':       /* deprecated */
1883                         s_opt = atoi(optarg);
1884                         break;
1885                 case 'S':
1886                         super_only = 1;
1887                         break;
1888                 case 't':
1889                         if (fs_type) {
1890                                 com_err(program_name, 0, "%s",
1891                                     _("The -t option may only be used once"));
1892                                 exit(1);
1893                         }
1894                         fs_type = strdup(optarg);
1895                         break;
1896                 case 'T':
1897                         if (usage_types) {
1898                                 com_err(program_name, 0, "%s",
1899                                     _("The -T option may only be used once"));
1900                                 exit(1);
1901                         }
1902                         usage_types = strdup(optarg);
1903                         break;
1904                 case 'U':
1905                         fs_uuid = optarg;
1906                         break;
1907                 case 'v':
1908                         verbose = 1;
1909                         break;
1910                 case 'V':
1911                         /* Print version number and exit */
1912                         show_version_only++;
1913                         break;
1914                 case 'z':
1915                         undo_file = optarg;
1916                         break;
1917                 default:
1918                         usage();
1919                 }
1920         }
1921         if ((optind == argc) && !show_version_only)
1922                 usage();
1923         device_name = argv[optind++];
1924
1925         if (!quiet || show_version_only)
1926                 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1927                          E2FSPROGS_DATE);
1928
1929         if (show_version_only) {
1930                 fprintf(stderr, _("\tUsing %s\n"),
1931                         error_message(EXT2_ET_BASE));
1932                 exit(0);
1933         }
1934
1935         /*
1936          * If there's no blocksize specified and there is a journal
1937          * device, use it to figure out the blocksize
1938          */
1939         if (blocksize <= 0 && journal_device) {
1940                 ext2_filsys     jfs;
1941                 io_manager      io_ptr;
1942
1943 #ifdef CONFIG_TESTIO_DEBUG
1944                 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1945                         io_ptr = test_io_manager;
1946                         test_io_backing_manager = default_io_manager;
1947                 } else
1948 #endif
1949                         io_ptr = default_io_manager;
1950                 retval = ext2fs_open(journal_device,
1951                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
1952                                      0, io_ptr, &jfs);
1953                 if (retval) {
1954                         com_err(program_name, retval,
1955                                 _("while trying to open journal device %s\n"),
1956                                 journal_device);
1957                         exit(1);
1958                 }
1959                 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1960                         com_err(program_name, 0,
1961                                 _("Journal dev blocksize (%d) smaller than "
1962                                   "minimum blocksize %d\n"), jfs->blocksize,
1963                                 -blocksize);
1964                         exit(1);
1965                 }
1966                 blocksize = jfs->blocksize;
1967                 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1968                 fs_param.s_log_block_size =
1969                         int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1970                 ext2fs_close_free(&jfs);
1971         }
1972
1973         if (optind < argc) {
1974                 fs_blocks_count = parse_num_blocks2(argv[optind++],
1975                                                    fs_param.s_log_block_size);
1976                 if (!fs_blocks_count) {
1977                         com_err(program_name, 0,
1978                                 _("invalid blocks '%s' on device '%s'"),
1979                                 argv[optind - 1], device_name);
1980                         exit(1);
1981                 }
1982         }
1983         if (optind < argc)
1984                 usage();
1985
1986         profile_get_integer(profile, "options", "sync_kludge", 0, 0,
1987                             &sync_kludge);
1988         tmp = getenv("MKE2FS_SYNC");
1989         if (tmp)
1990                 sync_kludge = atoi(tmp);
1991
1992         profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1993                             &proceed_delay);
1994
1995         if (fs_blocks_count)
1996                 explicit_fssize = 1;
1997
1998         check_mount(device_name, force, _("filesystem"));
1999
2000         /* Determine the size of the device (if possible) */
2001         if (noaction && fs_blocks_count) {
2002                 dev_size = fs_blocks_count;
2003                 retval = 0;
2004         } else
2005                 retval = ext2fs_get_device_size2(device_name,
2006                                                  EXT2_BLOCK_SIZE(&fs_param),
2007                                                  &dev_size);
2008         if (retval == ENOENT) {
2009                 int fd;
2010
2011                 if (!explicit_fssize) {
2012                         fprintf(stderr,
2013                                 _("The file %s does not exist and no "
2014                                   "size was specified.\n"), device_name);
2015                         exit(1);
2016                 }
2017                 fd = ext2fs_open_file(device_name,
2018                                       O_CREAT | O_WRONLY, 0666);
2019                 if (fd < 0) {
2020                         retval = errno;
2021                 } else {
2022                         dev_size = 0;
2023                         retval = 0;
2024                         close(fd);
2025                         printf(_("Creating regular file %s\n"), device_name);
2026                 }
2027         }
2028         if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
2029                 com_err(program_name, retval, "%s",
2030                         _("while trying to determine filesystem size"));
2031                 exit(1);
2032         }
2033         if (!fs_blocks_count) {
2034                 if (retval == EXT2_ET_UNIMPLEMENTED) {
2035                         com_err(program_name, 0, "%s",
2036                                 _("Couldn't determine device size; you "
2037                                 "must specify\nthe size of the "
2038                                 "filesystem\n"));
2039                         exit(1);
2040                 } else {
2041                         if (dev_size == 0) {
2042                                 com_err(program_name, 0, "%s",
2043                                 _("Device size reported to be zero.  "
2044                                   "Invalid partition specified, or\n\t"
2045                                   "partition table wasn't reread "
2046                                   "after running fdisk, due to\n\t"
2047                                   "a modified partition being busy "
2048                                   "and in use.  You may need to reboot\n\t"
2049                                   "to re-read your partition table.\n"
2050                                   ));
2051                                 exit(1);
2052                         }
2053                         fs_blocks_count = dev_size;
2054                         if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
2055                                 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
2056                                              EXT2_BLOCK_SIZE(&fs_param))-1));
2057                 }
2058         } else if (!force && is_device && (fs_blocks_count > dev_size)) {
2059                 com_err(program_name, 0, "%s",
2060                         _("Filesystem larger than apparent device size."));
2061                 proceed_question(proceed_delay);
2062         }
2063
2064         if (!fs_type)
2065                 profile_get_string(profile, "devices", device_name,
2066                                    "fs_type", 0, &fs_type);
2067         if (!usage_types)
2068                 profile_get_string(profile, "devices", device_name,
2069                                    "usage_types", 0, &usage_types);
2070         if (!creator_os)
2071                 profile_get_string(profile, "defaults", "creator_os", 0,
2072                                    0, &creator_os);
2073
2074         /*
2075          * We have the file system (or device) size, so we can now
2076          * determine the appropriate file system types so the fs can
2077          * be appropriately configured.
2078          */
2079         fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
2080                                  fs_blocks_count ? fs_blocks_count : dev_size,
2081                                  argv[0]);
2082         if (!fs_types) {
2083                 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
2084                 exit(1);
2085         }
2086
2087         /* Figure out what features should be enabled */
2088
2089         tmp = NULL;
2090         if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
2091                 tmp = get_string_from_profile(fs_types, "base_features",
2092                       "sparse_super,large_file,filetype,resize_inode,dir_index");
2093                 edit_feature(tmp, &fs_param.s_feature_compat);
2094                 free(tmp);
2095
2096                 /* And which mount options as well */
2097                 tmp = get_string_from_profile(fs_types, "default_mntopts",
2098                                               "acl,user_xattr");
2099                 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
2100                 if (tmp)
2101                         free(tmp);
2102
2103                 for (cpp = fs_types; *cpp; cpp++) {
2104                         tmp = NULL;
2105                         profile_get_string(profile, "fs_types", *cpp,
2106                                            "features", "", &tmp);
2107                         if (tmp && *tmp)
2108                                 edit_feature(tmp, &fs_param.s_feature_compat);
2109                         if (tmp)
2110                                 free(tmp);
2111                 }
2112                 tmp = get_string_from_profile(fs_types, "default_features",
2113                                               "");
2114         }
2115         /* Mask off features which aren't supported by the Hurd */
2116         if (for_hurd(creator_os)) {
2117                 ext2fs_clear_feature_filetype(&fs_param);
2118                 ext2fs_clear_feature_huge_file(&fs_param);
2119                 ext2fs_clear_feature_metadata_csum(&fs_param);
2120                 ext2fs_clear_feature_ea_inode(&fs_param);
2121                 ext2fs_clear_feature_casefold(&fs_param);
2122         }
2123         if (!fs_features && tmp)
2124                 edit_feature(tmp, &fs_param.s_feature_compat);
2125         /*
2126          * Now all the defaults are incorporated in fs_param. Check the state
2127          * of orphan_file feature so that we know whether we should silently
2128          * disabled in case journal gets disabled.
2129          */
2130         if (ext2fs_has_feature_orphan_file(&fs_param))
2131                 default_orphan_file = 1;
2132         if (ext2fs_has_feature_csum_seed(&fs_param))
2133                 default_csum_seed = 1;
2134         if (fs_features)
2135                 edit_feature(fs_features, &fs_param.s_feature_compat);
2136         /* Silently disable orphan_file if user chose fs without journal */
2137         if (default_orphan_file && !ext2fs_has_feature_journal(&fs_param))
2138                 ext2fs_clear_feature_orphan_file(&fs_param);
2139         if (default_csum_seed && !ext2fs_has_feature_metadata_csum(&fs_param))
2140                 ext2fs_clear_feature_csum_seed(&fs_param);
2141         if (tmp)
2142                 free(tmp);
2143         (void) ext2fs_free_mem(&fs_features);
2144         /*
2145          * If the user specified features incompatible with the Hurd, complain
2146          */
2147         if (for_hurd(creator_os)) {
2148                 if (ext2fs_has_feature_filetype(&fs_param)) {
2149                         fprintf(stderr, "%s", _("The HURD does not support the "
2150                                                 "filetype feature.\n"));
2151                         exit(1);
2152                 }
2153                 if (ext2fs_has_feature_huge_file(&fs_param)) {
2154                         fprintf(stderr, "%s", _("The HURD does not support the "
2155                                                 "huge_file feature.\n"));
2156                         exit(1);
2157                 }
2158                 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
2159                         fprintf(stderr, "%s", _("The HURD does not support the "
2160                                                 "metadata_csum feature.\n"));
2161                         exit(1);
2162                 }
2163                 if (ext2fs_has_feature_ea_inode(&fs_param)) {
2164                         fprintf(stderr, "%s", _("The HURD does not support the "
2165                                                 "ea_inode feature.\n"));
2166                         exit(1);
2167                 }
2168         }
2169
2170         /* Get the hardware sector sizes, if available */
2171         retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2172         if (retval) {
2173                 com_err(program_name, retval, "%s",
2174                         _("while trying to determine hardware sector size"));
2175                 exit(1);
2176         }
2177         retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2178         if (retval) {
2179                 com_err(program_name, retval, "%s",
2180                         _("while trying to determine physical sector size"));
2181                 exit(1);
2182         }
2183
2184         tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2185         if (tmp != NULL)
2186                 lsector_size = atoi(tmp);
2187         tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2188         if (tmp != NULL)
2189                 psector_size = atoi(tmp);
2190
2191         /* Older kernels may not have physical/logical distinction */
2192         if (!psector_size)
2193                 psector_size = lsector_size;
2194
2195         if (blocksize <= 0) {
2196                 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2197
2198                 if (use_bsize == -1) {
2199                         use_bsize = sys_page_size;
2200                         if (ext2fs_is_before_linux_ver(2, 6, 0) &&
2201                             use_bsize > 4096)
2202                                 use_bsize = 4096;
2203                 }
2204                 if (lsector_size && use_bsize < lsector_size)
2205                         use_bsize = lsector_size;
2206                 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2207                         use_bsize = -blocksize;
2208                 blocksize = use_bsize;
2209                 fs_blocks_count /= (blocksize / 1024);
2210         } else {
2211                 if (blocksize < lsector_size) {                 /* Impossible */
2212                         com_err(program_name, EINVAL, "%s",
2213                                 _("while setting blocksize; too small "
2214                                   "for device\n"));
2215                         exit(1);
2216                 } else if ((blocksize < psector_size) &&
2217                            (psector_size <= sys_page_size)) {   /* Suboptimal */
2218                         fprintf(stderr, _("Warning: specified blocksize %d is "
2219                                 "less than device physical sectorsize %d\n"),
2220                                 blocksize, psector_size);
2221                 }
2222         }
2223
2224         fs_param.s_log_block_size =
2225                 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2226
2227         /*
2228          * We now need to do a sanity check of fs_blocks_count for
2229          * 32-bit vs 64-bit block number support.
2230          */
2231         if ((fs_blocks_count > MAX_32_NUM) &&
2232             ext2fs_has_feature_64bit(&fs_param))
2233                 ext2fs_clear_feature_resize_inode(&fs_param);
2234         if ((fs_blocks_count > MAX_32_NUM) &&
2235             !ext2fs_has_feature_64bit(&fs_param) &&
2236             get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2237                 ext2fs_set_feature_64bit(&fs_param);
2238                 ext2fs_clear_feature_resize_inode(&fs_param);
2239         }
2240         if ((fs_blocks_count > MAX_32_NUM) &&
2241             !ext2fs_has_feature_64bit(&fs_param)) {
2242                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2243                                   "too big to be expressed\n\t"
2244                                   "in 32 bits using a blocksize of %d.\n"),
2245                         program_name, (unsigned long long) fs_blocks_count,
2246                         device_name, EXT2_BLOCK_SIZE(&fs_param));
2247                 exit(1);
2248         }
2249         /*
2250          * Guard against group descriptor count overflowing... Mostly to avoid
2251          * strange results for absurdly large devices.  This is in log2:
2252          * (blocksize) * (bits per byte) * (maximum number of block groups)
2253          */
2254         if (fs_blocks_count >
2255             (1ULL << (EXT2_BLOCK_SIZE_BITS(&fs_param) + 3 + 32)) - 1) {
2256                 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2257                                   "too big to create\n\t"
2258                                   "a filesystem using a blocksize of %d.\n"),
2259                         program_name, (unsigned long long) fs_blocks_count,
2260                         device_name, EXT2_BLOCK_SIZE(&fs_param));
2261                 exit(1);
2262         }
2263
2264         ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2265
2266         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2267                 int i;
2268
2269                 for (i=0; fs_types[i]; i++) {
2270                         free(fs_types[i]);
2271                         fs_types[i] = 0;
2272                 }
2273                 fs_types[0] = strdup("journal");
2274                 fs_types[1] = 0;
2275         }
2276
2277         if (verbose) {
2278                 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2279                 print_str_list(fs_types);
2280         }
2281
2282         if (r_opt == EXT2_GOOD_OLD_REV &&
2283             (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2284              fs_param.s_feature_ro_compat)) {
2285                 fprintf(stderr, "%s", _("Filesystem features not supported "
2286                                         "with revision 0 filesystems\n"));
2287                 exit(1);
2288         }
2289
2290         if (s_opt > 0) {
2291                 if (r_opt == EXT2_GOOD_OLD_REV) {
2292                         fprintf(stderr, "%s",
2293                                 _("Sparse superblocks not supported "
2294                                   "with revision 0 filesystems\n"));
2295                         exit(1);
2296                 }
2297                 ext2fs_set_feature_sparse_super(&fs_param);
2298         } else if (s_opt == 0)
2299                 ext2fs_clear_feature_sparse_super(&fs_param);
2300
2301         if (journal_size != 0) {
2302                 if (r_opt == EXT2_GOOD_OLD_REV) {
2303                         fprintf(stderr, "%s", _("Journals not supported with "
2304                                                 "revision 0 filesystems\n"));
2305                         exit(1);
2306                 }
2307                 ext2fs_set_feature_journal(&fs_param);
2308         }
2309
2310         /* Get reserved_ratio from profile if not specified on cmd line. */
2311         if (reserved_ratio < 0.0) {
2312                 reserved_ratio = get_double_from_profile(
2313                                         fs_types, "reserved_ratio", 5.0);
2314                 if (reserved_ratio > 50 || reserved_ratio < 0) {
2315                         com_err(program_name, 0,
2316                                 _("invalid reserved blocks percent - %lf"),
2317                                 reserved_ratio);
2318                         exit(1);
2319                 }
2320         }
2321
2322         if (ext2fs_has_feature_journal_dev(&fs_param)) {
2323                 reserved_ratio = 0;
2324                 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2325                 fs_param.s_feature_compat = 0;
2326                 fs_param.s_feature_ro_compat &=
2327                                         EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2328         }
2329
2330         /* Check the user's mkfs options for 64bit */
2331         if (ext2fs_has_feature_64bit(&fs_param) &&
2332             !ext2fs_has_feature_extents(&fs_param)) {
2333                 printf("%s", _("Extents MUST be enabled for a 64-bit "
2334                                "filesystem.  Pass -O extents to rectify.\n"));
2335                 exit(1);
2336         }
2337
2338         /* Set first meta blockgroup via an environment variable */
2339         /* (this is mostly for debugging purposes) */
2340         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2341             (tmp = getenv("MKE2FS_FIRST_META_BG")))
2342                 fs_param.s_first_meta_bg = atoi(tmp);
2343         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2344                 if (!cluster_size)
2345                         cluster_size = get_int_from_profile(fs_types,
2346                                                             "cluster_size",
2347                                                             blocksize*16);
2348                 fs_param.s_log_cluster_size =
2349                         int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2350                 if (fs_param.s_log_cluster_size &&
2351                     fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2352                         com_err(program_name, 0, "%s",
2353                                 _("The cluster size may not be "
2354                                   "smaller than the block size.\n"));
2355                         exit(1);
2356                 }
2357         } else if (cluster_size) {
2358                 com_err(program_name, 0, "%s",
2359                         _("specifying a cluster size requires the "
2360                           "bigalloc feature"));
2361                 exit(1);
2362         } else
2363                 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2364
2365         if (inode_ratio == 0) {
2366                 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2367                                                    8192);
2368                 if (inode_ratio < blocksize)
2369                         inode_ratio = blocksize;
2370                 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2371                         inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2372         }
2373
2374 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2375         retval = get_device_geometry(device_name, blocksize,
2376                                      psector_size, &dev_param);
2377         if (retval < 0) {
2378                 fprintf(stderr,
2379                         _("warning: Unable to get device geometry for %s\n"),
2380                         device_name);
2381         } else {
2382                 /* setting stripe/stride to blocksize is pointless */
2383                 if (dev_param.min_io > (unsigned) blocksize)
2384                         fs_param.s_raid_stride = dev_param.min_io / blocksize;
2385                 if (dev_param.opt_io > (unsigned) blocksize) {
2386                         fs_param.s_raid_stripe_width =
2387                                                 dev_param.opt_io / blocksize;
2388                 }
2389
2390                 if (dev_param.alignment_offset) {
2391                         printf(_("%s alignment is offset by %lu bytes.\n"),
2392                                device_name, dev_param.alignment_offset);
2393                         printf(_("This may result in very poor performance, "
2394                                   "(re)-partitioning suggested.\n"));
2395                 }
2396
2397                 if (dev_param.dax && blocksize != sys_page_size) {
2398                         fprintf(stderr,
2399                                 _("%s is capable of DAX but current block size "
2400                                   "%u is different from system page size %u so "
2401                                   "filesystem will not support DAX.\n"),
2402                                 device_name, blocksize, sys_page_size);
2403                 }
2404         }
2405 #endif
2406
2407         num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2408
2409         blocksize = EXT2_BLOCK_SIZE(&fs_param);
2410
2411         /*
2412          * Initialize s_desc_size so that the parse_extended_opts()
2413          * can correctly handle "-E resize=NNN" if the 64-bit option
2414          * is set.
2415          */
2416         if (ext2fs_has_feature_64bit(&fs_param))
2417                 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2418
2419         /* This check should happen beyond the last assignment to blocksize */
2420         if (blocksize > sys_page_size) {
2421                 if (!force) {
2422                         com_err(program_name, 0,
2423                                 _("%d-byte blocks too big for system (max %d)"),
2424                                 blocksize, sys_page_size);
2425                         proceed_question(proceed_delay);
2426                 }
2427                 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2428                                   "(max %d), forced to continue\n"),
2429                         blocksize, sys_page_size);
2430         }
2431
2432         /* Metadata checksumming wasn't totally stable before 3.18. */
2433         if (ext2fs_is_before_linux_ver(3, 18, 0) &&
2434             ext2fs_has_feature_metadata_csum(&fs_param))
2435                 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2436                         "improved stability of the metadata and journal "
2437                         "checksum features.\n"));
2438
2439         /*
2440          * On newer kernels we do have lazy_itable_init support. So pick the
2441          * right default in case ext4 module is not loaded.
2442          */
2443         if (ext2fs_is_before_linux_ver(2, 6, 37))
2444                 lazy_itable_init = 0;
2445         else
2446                 lazy_itable_init = 1;
2447
2448         if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2449                 lazy_itable_init = 1;
2450
2451         lazy_itable_init = get_bool_from_profile(fs_types,
2452                                                  "lazy_itable_init",
2453                                                  lazy_itable_init);
2454         discard = get_bool_from_profile(fs_types, "discard" , discard);
2455         journal_flags |= get_bool_from_profile(fs_types,
2456                                                "lazy_journal_init", 0) ?
2457                                                EXT2_MKJOURNAL_LAZYINIT : 0;
2458         journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2459
2460         if (!journal_location_string)
2461                 journal_location_string = get_string_from_profile(fs_types,
2462                                                 "journal_location", "");
2463         if ((journal_location == ~0ULL) && journal_location_string &&
2464             *journal_location_string)
2465                 journal_location = parse_num_blocks2(journal_location_string,
2466                                                 fs_param.s_log_block_size);
2467         free(journal_location_string);
2468
2469         packed_meta_blocks = get_bool_from_profile(fs_types,
2470                                                    "packed_meta_blocks", 0);
2471         if (packed_meta_blocks)
2472                 journal_location = 0;
2473
2474         if (ext2fs_has_feature_casefold(&fs_param)) {
2475                 char *ef, *en = get_string_from_profile(fs_types,
2476                                                         "encoding", "utf8");
2477                 int encoding = e2p_str2encoding(en);
2478
2479                 if (encoding < 0) {
2480                         com_err(program_name, 0,
2481                                 _("Unknown filename encoding from profile: %s"),
2482                                 en);
2483                         exit(1);
2484                 }
2485                 free(en);
2486                 fs_param.s_encoding = encoding;
2487                 ef = get_string_from_profile(fs_types, "encoding_flags", NULL);
2488                 if (ef) {
2489                         if (e2p_str2encoding_flags(encoding, ef,
2490                                         &fs_param.s_encoding_flags) < 0) {
2491                                 com_err(program_name, 0,
2492                         _("Unknown encoding flags from profile: %s"), ef);
2493                                 exit(1);
2494                         }
2495                         free(ef);
2496                 } else
2497                         fs_param.s_encoding_flags =
2498                                 e2p_get_encoding_flags(encoding);
2499         }
2500
2501         /* Get options from profile */
2502         for (cpp = fs_types; *cpp; cpp++) {
2503                 tmp = NULL;
2504                 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2505                         if (tmp && *tmp)
2506                                 parse_extended_opts(&fs_param, tmp);
2507                         free(tmp);
2508         }
2509
2510         if (extended_opts)
2511                 parse_extended_opts(&fs_param, extended_opts);
2512
2513         if (explicit_fssize == 0 && offset > 0) {
2514                 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param);
2515                 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2516                 fprintf(stderr,
2517                         _("\nWarning: offset specified without an "
2518                           "explicit file system size.\n"
2519                           "Creating a file system with %llu blocks "
2520                           "but this might\n"
2521                           "not be what you want.\n\n"),
2522                         (unsigned long long) fs_blocks_count);
2523         }
2524
2525         if (quotatype_bits & QUOTA_PRJ_BIT)
2526                 ext2fs_set_feature_project(&fs_param);
2527
2528         if (ext2fs_has_feature_project(&fs_param)) {
2529                 quotatype_bits |= QUOTA_PRJ_BIT;
2530                 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2531                         com_err(program_name, 0,
2532                                 _("%d byte inodes are too small for "
2533                                   "project quota"),
2534                                 inode_size);
2535                         exit(1);
2536                 }
2537                 if (inode_size == 0) {
2538                         inode_size = get_int_from_profile(fs_types,
2539                                                           "inode_size", 0);
2540                         if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2)
2541                                 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2;
2542                 }
2543         }
2544
2545         /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2546         if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2547             ext2fs_has_feature_gdt_csum(&fs_param))
2548                 ext2fs_clear_feature_gdt_csum(&fs_param);
2549
2550         /* Can't support bigalloc feature without extents feature */
2551         if (ext2fs_has_feature_bigalloc(&fs_param) &&
2552             !ext2fs_has_feature_extents(&fs_param)) {
2553                 com_err(program_name, 0, "%s",
2554                         _("Can't support bigalloc feature without "
2555                           "extents feature"));
2556                 exit(1);
2557         }
2558
2559         if (ext2fs_has_feature_meta_bg(&fs_param) &&
2560             ext2fs_has_feature_resize_inode(&fs_param)) {
2561                 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2562                                         "features are not compatible.\n"
2563                                         "They can not be both enabled "
2564                                         "simultaneously.\n"));
2565                 exit(1);
2566         }
2567
2568         if (!quiet && ext2fs_has_feature_bigalloc(&fs_param) &&
2569             EXT2_CLUSTER_SIZE(&fs_param) > 16 * EXT2_BLOCK_SIZE(&fs_param))
2570                 fprintf(stderr, "%s", _("\nWarning: bigalloc file systems "
2571                                 "with a cluster size greater than\n"
2572                                 "16 times the block size is considered "
2573                                 "experimental\n"));
2574
2575         /*
2576          * Since sparse_super is the default, we would only have a problem
2577          * here if it was explicitly disabled.
2578          */
2579         if (ext2fs_has_feature_resize_inode(&fs_param) &&
2580             !ext2fs_has_feature_sparse_super(&fs_param)) {
2581                 com_err(program_name, 0, "%s",
2582                         _("reserved online resize blocks not supported "
2583                           "on non-sparse filesystem"));
2584                 exit(1);
2585         }
2586
2587         if (fs_param.s_blocks_per_group) {
2588                 if (fs_param.s_blocks_per_group < 256 ||
2589                     fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2590                         com_err(program_name, 0, "%s",
2591                                 _("blocks per group count out of range"));
2592                         exit(1);
2593                 }
2594         }
2595
2596         /*
2597          * If the bigalloc feature is enabled, then the -g option will
2598          * specify the number of clusters per group.
2599          */
2600         if (ext2fs_has_feature_bigalloc(&fs_param)) {
2601                 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2602                 fs_param.s_blocks_per_group = 0;
2603         }
2604
2605         if (inode_size == 0)
2606                 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2607         if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2608                 flex_bg_size = get_uint_from_profile(fs_types,
2609                                                      "flex_bg_size", 16);
2610         if (flex_bg_size) {
2611                 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2612                         com_err(program_name, 0, "%s",
2613                                 _("Flex_bg feature not enabled, so "
2614                                   "flex_bg size may not be specified"));
2615                         exit(1);
2616                 }
2617                 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2618         }
2619
2620         if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2621                 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2622                     inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2623                     inode_size & (inode_size - 1)) {
2624                         com_err(program_name, 0,
2625                                 _("invalid inode size %d (min %d/max %d)"),
2626                                 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2627                                 blocksize);
2628                         exit(1);
2629                 }
2630                 fs_param.s_inode_size = inode_size;
2631         }
2632
2633         /*
2634          * If inode size is 128 and inline data is enabled, we need
2635          * to notify users that inline data will never be useful.
2636          */
2637         if (ext2fs_has_feature_inline_data(&fs_param) &&
2638             fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2639                 com_err(program_name, 0,
2640                         _("%d byte inodes are too small for inline data; "
2641                           "specify larger size"),
2642                         fs_param.s_inode_size);
2643                 exit(1);
2644         }
2645
2646         /*
2647          * Warn the user that filesystems with 128-byte inodes will
2648          * not work properly beyond 2038.  This can be suppressed via
2649          * a boolean in the mke2fs.conf file, and we will disable this
2650          * warning for file systems created for the GNU Hurd.
2651          */
2652         if (inode_size == EXT2_GOOD_OLD_INODE_SIZE &&
2653             get_bool_from_profile(fs_types, "warn_y2038_dates", 1))
2654                 printf(
2655 _("128-byte inodes cannot handle dates beyond 2038 and are deprecated\n"));
2656
2657         /* Make sure number of inodes specified will fit in 32 bits */
2658         if (num_inodes == 0) {
2659                 unsigned long long n;
2660                 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2661                 if (n > MAX_32_NUM) {
2662                         if (ext2fs_has_feature_64bit(&fs_param))
2663                                 num_inodes = MAX_32_NUM;
2664                         else {
2665                                 com_err(program_name, 0,
2666                                         _("too many inodes (%llu), raise "
2667                                           "inode ratio?"),
2668                                         (unsigned long long) n);
2669                                 exit(1);
2670                         }
2671                 }
2672         } else if (num_inodes > MAX_32_NUM) {
2673                 com_err(program_name, 0,
2674                         _("too many inodes (%llu), specify < 2^32 inodes"),
2675                         (unsigned long long) num_inodes);
2676                 exit(1);
2677         }
2678         /*
2679          * Calculate number of inodes based on the inode ratio
2680          */
2681         fs_param.s_inodes_count = num_inodes ? num_inodes :
2682                 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2683
2684         if ((((unsigned long long)fs_param.s_inodes_count) *
2685              (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2686             ((ext2fs_blocks_count(&fs_param)) *
2687              EXT2_BLOCK_SIZE(&fs_param))) {
2688                 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2689                                           "(%u) too big for a\n\t"
2690                                           "filesystem with %llu blocks, "
2691                                           "specify higher inode_ratio (-i)\n\t"
2692                                           "or lower inode count (-N).\n"),
2693                         inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2694                         fs_param.s_inodes_count,
2695                         (unsigned long long) ext2fs_blocks_count(&fs_param));
2696                 exit(1);
2697         }
2698
2699         /*
2700          * Calculate number of blocks to reserve
2701          */
2702         ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2703                                   ext2fs_blocks_count(&fs_param) / 100.0);
2704
2705         if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2706                 if (num_backups >= 1)
2707                         fs_param.s_backup_bgs[0] = 1;
2708                 if (num_backups >= 2)
2709                         fs_param.s_backup_bgs[1] = ~0;
2710         }
2711
2712         free(fs_type);
2713         free(usage_types);
2714
2715         /* The isatty() test is so we don't break existing scripts */
2716         flags = CREATE_FILE;
2717         if (isatty(0) && isatty(1) && !offset)
2718                 flags |= CHECK_FS_EXIST;
2719         if (!quiet)
2720                 flags |= VERBOSE_CREATE;
2721         if (!explicit_fssize)
2722                 flags |= NO_SIZE;
2723         if (!check_plausibility(device_name, flags, &is_device) && !force)
2724                 proceed_question(proceed_delay);
2725 }
2726
2727 static int should_do_undo(const char *name)
2728 {
2729         errcode_t retval;
2730         io_channel channel;
2731         __u16   s_magic;
2732         struct ext2_super_block super;
2733         io_manager manager = default_io_manager;
2734         int csum_flag, force_undo;
2735
2736         csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2737                     ext2fs_has_feature_gdt_csum(&fs_param);
2738         force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2739         if (!force_undo && (!csum_flag || !lazy_itable_init))
2740                 return 0;
2741
2742         retval = manager->open(name, IO_FLAG_EXCLUSIVE,  &channel);
2743         if (retval) {
2744                 /*
2745                  * We don't handle error cases instead we
2746                  * declare that the file system doesn't exist
2747                  * and let the rest of mke2fs take care of
2748                  * error
2749                  */
2750                 retval = 0;
2751                 goto open_err_out;
2752         }
2753
2754         io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2755         retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2756         if (retval) {
2757                 retval = 0;
2758                 goto err_out;
2759         }
2760
2761 #if defined(WORDS_BIGENDIAN)
2762         s_magic = ext2fs_swab16(super.s_magic);
2763 #else
2764         s_magic = super.s_magic;
2765 #endif
2766
2767         if (s_magic == EXT2_SUPER_MAGIC)
2768                 retval = 1;
2769
2770 err_out:
2771         io_channel_close(channel);
2772
2773 open_err_out:
2774
2775         return retval;
2776 }
2777
2778 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2779 {
2780         errcode_t retval = ENOMEM;
2781         char *tdb_dir = NULL, *tdb_file = NULL;
2782         char *dev_name, *tmp_name;
2783         int free_tdb_dir = 0;
2784
2785         /* (re)open a specific undo file */
2786         if (undo_file && undo_file[0] != 0) {
2787                 retval = set_undo_io_backing_manager(*io_ptr);
2788                 if (retval)
2789                         goto err;
2790                 *io_ptr = undo_io_manager;
2791                 retval = set_undo_io_backup_file(undo_file);
2792                 if (retval)
2793                         goto err;
2794                 printf(_("Overwriting existing filesystem; this can be undone "
2795                          "using the command:\n"
2796                          "    e2undo %s %s\n\n"), undo_file, name);
2797                 return retval;
2798         }
2799
2800         /*
2801          * Configuration via a conf file would be
2802          * nice
2803          */
2804         tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2805         if (!tdb_dir) {
2806                 profile_get_string(profile, "defaults",
2807                                    "undo_dir", 0, "/var/lib/e2fsprogs",
2808                                    &tdb_dir);
2809                 free_tdb_dir = 1;
2810         }
2811
2812         if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2813             access(tdb_dir, W_OK)) {
2814                 if (free_tdb_dir)
2815                         free(tdb_dir);
2816                 return 0;
2817         }
2818
2819         tmp_name = strdup(name);
2820         if (!tmp_name)
2821                 goto errout;
2822         dev_name = basename(tmp_name);
2823         tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2824         if (!tdb_file) {
2825                 free(tmp_name);
2826                 goto errout;
2827         }
2828         sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2829         free(tmp_name);
2830
2831         if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2832                 retval = errno;
2833                 com_err(program_name, retval,
2834                         _("while trying to delete %s"), tdb_file);
2835                 goto errout;
2836         }
2837
2838         retval = set_undo_io_backing_manager(*io_ptr);
2839         if (retval)
2840                 goto errout;
2841         *io_ptr = undo_io_manager;
2842         retval = set_undo_io_backup_file(tdb_file);
2843         if (retval)
2844                 goto errout;
2845         printf(_("Overwriting existing filesystem; this can be undone "
2846                  "using the command:\n"
2847                  "    e2undo %s %s\n\n"), tdb_file, name);
2848
2849         if (free_tdb_dir)
2850                 free(tdb_dir);
2851         free(tdb_file);
2852         return 0;
2853
2854 errout:
2855         if (free_tdb_dir)
2856                 free(tdb_dir);
2857         free(tdb_file);
2858 err:
2859         com_err(program_name, retval, "%s",
2860                 _("while trying to setup undo file\n"));
2861         return retval;
2862 }
2863
2864 static int mke2fs_discard_device(ext2_filsys fs)
2865 {
2866         struct ext2fs_numeric_progress_struct progress;
2867         blk64_t blocks = ext2fs_blocks_count(fs->super);
2868         blk64_t count = DISCARD_STEP_MB;
2869         blk64_t cur = 0;
2870         int retval = 0;
2871
2872         /*
2873          * Let's try if discard really works on the device, so
2874          * we do not print numeric progress resulting in failure
2875          * afterwards.
2876          */
2877         retval = io_channel_discard(fs->io, 0, 1);
2878         if (retval)
2879                 return retval;
2880
2881         count *= (1024 * 1024);
2882         count /= fs->blocksize;
2883
2884         ext2fs_numeric_progress_init(fs, &progress,
2885                                      _("Discarding device blocks: "),
2886                                      blocks);
2887         while (cur < blocks) {
2888                 ext2fs_numeric_progress_update(fs, &progress, cur);
2889
2890                 if (cur + count > blocks)
2891                         count = blocks - cur;
2892
2893                 retval = io_channel_discard(fs->io, cur, count);
2894                 if (retval)
2895                         break;
2896                 cur += count;
2897         }
2898
2899         if (retval) {
2900                 ext2fs_numeric_progress_close(fs, &progress,
2901                                       _("failed - "));
2902                 if (!quiet)
2903                         printf("%s\n",error_message(retval));
2904         } else
2905                 ext2fs_numeric_progress_close(fs, &progress,
2906                                       _("done                            \n"));
2907
2908         return retval;
2909 }
2910
2911 static void fix_cluster_bg_counts(ext2_filsys fs)
2912 {
2913         blk64_t         block, num_blocks, last_block, next;
2914         blk64_t         tot_free = 0;
2915         errcode_t       retval;
2916         dgrp_t          group = 0;
2917         int             grp_free = 0;
2918
2919         num_blocks = ext2fs_blocks_count(fs->super);
2920         last_block = ext2fs_group_last_block2(fs, group);
2921         block = fs->super->s_first_data_block;
2922         while (block < num_blocks) {
2923                 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2924                                                 block, last_block, &next);
2925                 if (retval == 0)
2926                         block = next;
2927                 else {
2928                         block = last_block + 1;
2929                         goto next_bg;
2930                 }
2931
2932                 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2933                                                 block, last_block, &next);
2934                 if (retval)
2935                         next = last_block + 1;
2936                 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2937                 tot_free += next - block;
2938                 block = next;
2939
2940                 if (block > last_block) {
2941                 next_bg:
2942                         ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2943                         ext2fs_group_desc_csum_set(fs, group);
2944                         grp_free = 0;
2945                         group++;
2946                         last_block = ext2fs_group_last_block2(fs, group);
2947                 }
2948         }
2949         ext2fs_free_blocks_count_set(fs->super, tot_free);
2950 }
2951
2952 static int create_quota_inodes(ext2_filsys fs)
2953 {
2954         quota_ctx_t qctx;
2955         errcode_t retval;
2956
2957         retval = quota_init_context(&qctx, fs, quotatype_bits);
2958         if (retval) {
2959                 com_err(program_name, retval,
2960                         _("while initializing quota context"));
2961                 exit(1);
2962         }
2963         quota_compute_usage(qctx);
2964         retval = quota_write_inode(qctx, quotatype_bits);
2965         if (retval) {
2966                 com_err(program_name, retval,
2967                         _("while writing quota inodes"));
2968                 exit(1);
2969         }
2970         quota_release_context(&qctx);
2971
2972         return 0;
2973 }
2974
2975 static errcode_t set_error_behavior(ext2_filsys fs)
2976 {
2977         char    *arg = NULL;
2978         short   errors = fs->super->s_errors;
2979
2980         arg = get_string_from_profile(fs_types, "errors", NULL);
2981         if (arg == NULL)
2982                 goto try_user;
2983
2984         if (strcmp(arg, "continue") == 0)
2985                 errors = EXT2_ERRORS_CONTINUE;
2986         else if (strcmp(arg, "remount-ro") == 0)
2987                 errors = EXT2_ERRORS_RO;
2988         else if (strcmp(arg, "panic") == 0)
2989                 errors = EXT2_ERRORS_PANIC;
2990         else {
2991                 com_err(program_name, 0,
2992                         _("bad error behavior in profile - %s"),
2993                         arg);
2994                 free(arg);
2995                 return EXT2_ET_INVALID_ARGUMENT;
2996         }
2997         free(arg);
2998
2999 try_user:
3000         if (errors_behavior)
3001                 errors = errors_behavior;
3002
3003         fs->super->s_errors = errors;
3004         return 0;
3005 }
3006
3007 int main (int argc, char *argv[])
3008 {
3009         errcode_t       retval = 0;
3010         ext2_filsys     fs;
3011         badblocks_list  bb_list = 0;
3012         badblocks_iterate       bb_iter;
3013         blk_t           blk;
3014         struct ext2fs_journal_params    jparams = {0};
3015         unsigned int    i, checkinterval;
3016         int             max_mnt_count;
3017         int             val, hash_alg;
3018         int             flags;
3019         int             old_bitmaps;
3020         io_manager      io_ptr;
3021         char            opt_string[40];
3022         char            *hash_alg_str;
3023         int             itable_zeroed = 0;
3024         blk64_t         overhead;
3025
3026 #ifdef ENABLE_NLS
3027         setlocale(LC_MESSAGES, "");
3028         setlocale(LC_CTYPE, "");
3029         bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
3030         textdomain(NLS_CAT_NAME);
3031         set_com_err_gettext(gettext);
3032 #endif
3033         PRS(argc, argv);
3034
3035 #ifdef CONFIG_TESTIO_DEBUG
3036         if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
3037                 io_ptr = test_io_manager;
3038                 test_io_backing_manager = default_io_manager;
3039         } else
3040 #endif
3041                 io_ptr = default_io_manager;
3042
3043         if (undo_file != NULL || should_do_undo(device_name)) {
3044                 retval = mke2fs_setup_tdb(device_name, &io_ptr);
3045                 if (retval)
3046                         exit(1);
3047         }
3048
3049         /*
3050          * Initialize the superblock....
3051          */
3052         flags = EXT2_FLAG_EXCLUSIVE;
3053         if (direct_io)
3054                 flags |= EXT2_FLAG_DIRECT_IO;
3055         profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
3056                             &old_bitmaps);
3057         if (!old_bitmaps)
3058                 flags |= EXT2_FLAG_64BITS;
3059         /*
3060          * By default, we print how many inode tables or block groups
3061          * or whatever we've written so far.  The quiet flag disables
3062          * this, along with a lot of other output.
3063          */
3064         if (!quiet)
3065                 flags |= EXT2_FLAG_PRINT_PROGRESS;
3066         if (android_sparse_file) {
3067                 char *android_sparse_params = malloc(strlen(device_name) + 48);
3068
3069                 if (!android_sparse_params) {
3070                         com_err(program_name, ENOMEM, "%s",
3071                                 _("in malloc for android_sparse_params"));
3072                         exit(1);
3073                 }
3074                 sprintf(android_sparse_params, "(%s):%u:%u",
3075                          device_name, fs_param.s_blocks_count,
3076                          1024 << fs_param.s_log_block_size);
3077                 retval = ext2fs_initialize(android_sparse_params, flags,
3078                                            &fs_param, sparse_io_manager, &fs);
3079                 free(android_sparse_params);
3080         } else
3081                 retval = ext2fs_initialize(device_name, flags, &fs_param,
3082                                            io_ptr, &fs);
3083         if (retval) {
3084                 com_err(device_name, retval, "%s",
3085                         _("while setting up superblock"));
3086                 exit(1);
3087         }
3088         fs->progress_ops = &ext2fs_numeric_progress_ops;
3089
3090         /* Set the error behavior */
3091         retval = set_error_behavior(fs);
3092         if (retval)
3093                 usage();
3094
3095         /* Check the user's mkfs options for metadata checksumming */
3096         if (!quiet &&
3097             !ext2fs_has_feature_journal_dev(fs->super) &&
3098             ext2fs_has_feature_metadata_csum(fs->super)) {
3099                 if (!ext2fs_has_feature_extents(fs->super))
3100                         printf("%s",
3101                                _("Extents are not enabled.  The file extent "
3102                                  "tree can be checksummed, whereas block maps "
3103                                  "cannot.  Not enabling extents reduces the "
3104                                  "coverage of metadata checksumming.  "
3105                                  "Pass -O extents to rectify.\n"));
3106                 if (!ext2fs_has_feature_64bit(fs->super))
3107                         printf("%s",
3108                                _("64-bit filesystem support is not enabled.  "
3109                                  "The larger fields afforded by this feature "
3110                                  "enable full-strength checksumming.  "
3111                                  "Pass -O 64bit to rectify.\n"));
3112         }
3113
3114         if (ext2fs_has_feature_csum_seed(fs->super) &&
3115             !ext2fs_has_feature_metadata_csum(fs->super)) {
3116                 printf("%s", _("The metadata_csum_seed feature "
3117                                "requires the metadata_csum feature.\n"));
3118                 exit(1);
3119         }
3120
3121         if (ext2fs_has_feature_dirdata(fs->super)) {
3122                 if (ext2fs_has_feature_inline_data(fs->super)) {
3123                         printf("%s", _("The dirdata feature can not enabled "
3124                                        "with inline data feature.\n"));
3125                         exit(1);
3126                 }
3127                 if (ext2fs_has_feature_casefold(fs->super)) {
3128                         printf("%s", _("The dirdata feature can not enabled "
3129                                        "with casefold feature.\n"));
3130                         exit(1);
3131                 }
3132         }
3133
3134         /* Calculate journal blocks */
3135         if (!journal_device && ((journal_size) ||
3136             ext2fs_has_feature_journal(&fs_param)))
3137                 figure_journal_size(&jparams, journal_size, journal_fc_size, fs);
3138
3139         sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
3140                 32768 : fs->blocksize * 8);
3141         io_channel_set_options(fs->io, opt_string);
3142         if (offset) {
3143                 sprintf(opt_string, "offset=%llu", (unsigned long long) offset);
3144                 io_channel_set_options(fs->io, opt_string);
3145         }
3146
3147         if (assume_storage_prezeroed) {
3148                 if (verbose)
3149                         printf("%s",
3150                                _("Assuming the storage device is prezeroed "
3151                                "- skipping inode table and journal wipe\n"));
3152
3153                 lazy_itable_init = 1;
3154                 itable_zeroed = 1;
3155                 zero_hugefile = 0;
3156                 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
3157         }
3158
3159         /* Can't undo discard ... */
3160         if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
3161                 retval = mke2fs_discard_device(fs);
3162                 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
3163                         if (verbose)
3164                                 printf("%s",
3165                                        _("Discard succeeded and will return "
3166                                          "0s - skipping inode table wipe\n"));
3167                         lazy_itable_init = 1;
3168                         itable_zeroed = 1;
3169                         zero_hugefile = 0;
3170                 }
3171         }
3172
3173         if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
3174                 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
3175
3176         if (ext2fs_has_feature_flex_bg(&fs_param) ||
3177             ext2fs_has_feature_huge_file(&fs_param) ||
3178             ext2fs_has_feature_gdt_csum(&fs_param) ||
3179             ext2fs_has_feature_dir_nlink(&fs_param) ||
3180             ext2fs_has_feature_metadata_csum(&fs_param) ||
3181             ext2fs_has_feature_extra_isize(&fs_param))
3182                 fs->super->s_kbytes_written = 1;
3183
3184         /*
3185          * Wipe out the old on-disk superblock
3186          */
3187         if (!noaction)
3188                 zap_sector(fs, 2, 6);
3189
3190         /*
3191          * Parse or generate a UUID for the filesystem
3192          */
3193         if (fs_uuid) {
3194                 if ((strcasecmp(fs_uuid, "null") == 0) ||
3195                     (strcasecmp(fs_uuid, "clear") == 0)) {
3196                         uuid_clear(fs->super->s_uuid);
3197                 } else if (strcasecmp(fs_uuid, "time") == 0) {
3198                         uuid_generate_time(fs->super->s_uuid);
3199                 } else if (strcasecmp(fs_uuid, "random") == 0) {
3200                         uuid_generate(fs->super->s_uuid);
3201                 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) {
3202                         com_err(device_name, 0, "could not parse UUID: %s\n",
3203                                 fs_uuid);
3204                         exit(1);
3205                 }
3206         } else
3207                 uuid_generate(fs->super->s_uuid);
3208
3209         if (ext2fs_has_feature_csum_seed(fs->super))
3210                 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0,
3211                                 fs->super->s_uuid, sizeof(fs->super->s_uuid));
3212
3213         ext2fs_init_csum_seed(fs);
3214
3215         /*
3216          * Initialize the directory index variables
3217          */
3218         hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
3219                                                "half_md4");
3220         hash_alg = e2p_string2hash(hash_alg_str);
3221         free(hash_alg_str);
3222         fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
3223                 EXT2_HASH_HALF_MD4;
3224
3225         if (memcmp(fs_param.s_hash_seed, zero_buf,
3226                 sizeof(fs_param.s_hash_seed)) != 0) {
3227                 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed,
3228                         sizeof(fs->super->s_hash_seed));
3229         } else
3230                 uuid_generate((unsigned char *) fs->super->s_hash_seed);
3231
3232         /*
3233          * Periodic checks can be enabled/disabled via config file.
3234          * Note we override the kernel include file's idea of what the default
3235          * check interval (never) should be.  It's a good idea to check at
3236          * least *occasionally*, specially since servers will never rarely get
3237          * to reboot, since Linux is so robust these days.  :-)
3238          *
3239          * 180 days (six months) seems like a good value.
3240          */
3241 #ifdef EXT2_DFL_CHECKINTERVAL
3242 #undef EXT2_DFL_CHECKINTERVAL
3243 #endif
3244 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3245
3246         if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
3247                 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
3248                 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
3249                 /*
3250                  * Add "jitter" to the superblock's check interval so that we
3251                  * don't check all the filesystems at the same time.  We use a
3252                  * kludgy hack of using the UUID to derive a random jitter value
3253                  */
3254                 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
3255                         val += fs->super->s_uuid[i];
3256                 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
3257         } else
3258                 fs->super->s_max_mnt_count = -1;
3259
3260         /*
3261          * Override the creator OS, if applicable
3262          */
3263         if (creator_os && !set_os(fs->super, creator_os)) {
3264                 com_err (program_name, 0, _("unknown os - %s"), creator_os);
3265                 exit(1);
3266         }
3267
3268         /*
3269          * For the Hurd, we will turn off filetype since it doesn't
3270          * support it.
3271          */
3272         if (fs->super->s_creator_os == EXT2_OS_HURD)
3273                 ext2fs_clear_feature_filetype(fs->super);
3274
3275         /*
3276          * Set the volume label...
3277          */
3278         if (volume_label) {
3279                 memset(fs->super->s_volume_name, 0,
3280                        sizeof(fs->super->s_volume_name));
3281                 strncpy((char *) fs->super->s_volume_name, volume_label,
3282                         sizeof(fs->super->s_volume_name));
3283         }
3284
3285         /*
3286          * Set the last mount directory
3287          */
3288         if (mount_dir) {
3289                 memset(fs->super->s_last_mounted, 0,
3290                        sizeof(fs->super->s_last_mounted));
3291                 strncpy((char *) fs->super->s_last_mounted, mount_dir,
3292                         sizeof(fs->super->s_last_mounted));
3293         }
3294
3295         /* Set current default encryption algorithms for data and
3296          * filename encryption */
3297         if (ext2fs_has_feature_encrypt(fs->super)) {
3298                 fs->super->s_encrypt_algos[0] =
3299                         EXT4_ENCRYPTION_MODE_AES_256_XTS;
3300                 fs->super->s_encrypt_algos[1] =
3301                         EXT4_ENCRYPTION_MODE_AES_256_CTS;
3302         }
3303
3304         if (ext2fs_has_feature_metadata_csum(fs->super))
3305                 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
3306
3307         if (!quiet || noaction)
3308                 show_stats(fs);
3309
3310         if (noaction)
3311                 exit(0);
3312
3313         if (ext2fs_has_feature_journal_dev(fs->super)) {
3314                 create_journal_dev(fs);
3315                 printf("\n");
3316                 exit(ext2fs_close_free(&fs) ? 1 : 0);
3317         }
3318
3319         if (bad_blocks_filename)
3320                 read_bb_file(fs, &bb_list, bad_blocks_filename);
3321         if (cflag)
3322                 test_disk(fs, &bb_list);
3323         handle_bad_blocks(fs, bb_list);
3324
3325         fs->stride = fs_stride = fs->super->s_raid_stride;
3326         if (!quiet)
3327                 printf("%s", _("Allocating group tables: "));
3328         if (ext2fs_has_feature_flex_bg(fs->super) &&
3329             packed_meta_blocks)
3330                 retval = packed_allocate_tables(fs);
3331         else
3332                 retval = ext2fs_allocate_tables(fs);
3333         if (retval) {
3334                 com_err(program_name, retval, "%s",
3335                         _("while trying to allocate filesystem tables"));
3336                 exit(1);
3337         }
3338         if (!quiet)
3339                 printf("%s", _("done                            \n"));
3340
3341         /*
3342          * Unmark bad blocks to calculate overhead, because metadata
3343          * blocks and bad blocks can land on the same allocation cluster.
3344          */
3345         if (bb_list) {
3346                 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3347                                                              &bb_iter);
3348                 if (retval) {
3349                         com_err("ext2fs_badblocks_list_iterate_begin", retval,
3350                                 "%s", _("while unmarking bad blocks"));
3351                         exit(1);
3352                 }
3353                 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3354                         ext2fs_unmark_block_bitmap2(fs->block_map, blk);
3355                 ext2fs_badblocks_list_iterate_end(bb_iter);
3356         }
3357
3358         retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
3359         if (retval) {
3360                 com_err(program_name, retval, "%s",
3361                         _("\n\twhile converting subcluster bitmap"));
3362                 exit(1);
3363         }
3364
3365         retval = ext2fs_count_used_clusters(fs, fs->super->s_first_data_block,
3366                                         ext2fs_blocks_count(fs->super) - 1,
3367                                         &overhead);
3368         if (retval) {
3369                 com_err(program_name, retval, "%s",
3370                         _("while calculating overhead"));
3371                 exit(1);
3372         }
3373
3374         if (bb_list) {
3375                 retval = ext2fs_badblocks_list_iterate_begin(bb_list,
3376                                                              &bb_iter);
3377                 if (retval) {
3378                         com_err("ext2fs_badblocks_list_iterate_begin", retval,
3379                                 "%s", _("while marking bad blocks as used"));
3380                         exit(1);
3381                 }
3382                 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
3383                         ext2fs_mark_block_bitmap2(fs->block_map, blk);
3384                 ext2fs_badblocks_list_iterate_end(bb_iter);
3385         }
3386
3387         if (super_only) {
3388                 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
3389                 printf(_("%s may be further corrupted by superblock rewrite\n"),
3390                        device_name);
3391                 if (!force)
3392                         proceed_question(proceed_delay);
3393                 fs->super->s_state |= EXT2_ERROR_FS;
3394                 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
3395                 /*
3396                  * The command "mke2fs -S" is used to recover
3397                  * corrupted file systems, so do not mark any of the
3398                  * inodes as unused; we want e2fsck to consider all
3399                  * inodes as potentially containing recoverable data.
3400                  */
3401                 if (ext2fs_has_group_desc_csum(fs)) {
3402                         for (i = 0; i < fs->group_desc_count; i++)
3403                                 ext2fs_bg_itable_unused_set(fs, i, 0);
3404                 }
3405         } else {
3406                 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3407                 blk64_t rsv = 65536 / fs->blocksize;
3408                 blk64_t blocks = ext2fs_blocks_count(fs->super);
3409                 blk64_t start;
3410                 blk64_t ret_blk;
3411
3412 #ifdef ZAP_BOOTBLOCK
3413                 zap_sector(fs, 0, 2);
3414 #endif
3415
3416                 /*
3417                  * Wipe out any old MD RAID (or other) metadata at the end
3418                  * of the device.  This will also verify that the device is
3419                  * as large as we think.  Be careful with very small devices.
3420                  */
3421                 start = (blocks & ~(rsv - 1));
3422                 if (start > rsv)
3423                         start -= rsv;
3424                 if (start > 0)
3425                         retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3426                                                     &ret_blk, NULL);
3427
3428                 if (retval) {
3429                         com_err(program_name, retval,
3430                                 _("while zeroing block %llu at end of filesystem"),
3431                                 (unsigned long long) ret_blk);
3432                 }
3433                 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3434                 create_root_dir(fs);
3435                 create_lost_and_found(fs);
3436                 reserve_inodes(fs);
3437                 create_bad_block_inode(fs, bb_list);
3438                 if (ext2fs_has_feature_resize_inode(fs->super)) {
3439                         retval = ext2fs_create_resize_inode(fs);
3440                         if (retval) {
3441                                 com_err("ext2fs_create_resize_inode", retval,
3442                                         "%s",
3443                                 _("while reserving blocks for online resize"));
3444                                 exit(1);
3445                         }
3446                 }
3447         }
3448
3449         if (journal_device) {
3450                 ext2_filsys     jfs;
3451
3452                 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3453                                         NULL) && !force)
3454                         proceed_question(proceed_delay);
3455                 check_mount(journal_device, force, _("journal"));
3456
3457                 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3458                                      EXT2_FLAG_JOURNAL_DEV_OK, 0,
3459                                      fs->blocksize, default_io_manager, &jfs);
3460                 if (retval) {
3461                         com_err(program_name, retval,
3462                                 _("while trying to open journal device %s\n"),
3463                                 journal_device);
3464                         exit(1);
3465                 }
3466                 if (!quiet) {
3467                         printf(_("Adding journal to device %s: "),
3468                                journal_device);
3469                         fflush(stdout);
3470                 }
3471                 retval = ext2fs_add_journal_device(fs, jfs);
3472                 if(retval) {
3473                         com_err (program_name, retval,
3474                                  _("\n\twhile trying to add journal to device %s"),
3475                                  journal_device);
3476                         exit(1);
3477                 }
3478                 if (!quiet)
3479                         printf("%s", _("done\n"));
3480                 ext2fs_close_free(&jfs);
3481                 free(journal_device);
3482         } else if ((journal_size) ||
3483                    ext2fs_has_feature_journal(&fs_param)) {
3484                 overhead += EXT2FS_NUM_B2C(fs, jparams.num_journal_blocks + jparams.num_fc_blocks);
3485                 if (super_only) {
3486                         printf("%s", _("Skipping journal creation in super-only mode\n"));
3487                         fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3488                         goto no_journal;
3489                 }
3490
3491                 if (!jparams.num_journal_blocks) {
3492                         ext2fs_clear_feature_journal(fs->super);
3493                         ext2fs_clear_feature_orphan_file(fs->super);
3494                         ext2fs_clear_feature_journal(&fs_param);
3495                         ext2fs_clear_feature_orphan_file(&fs_param);
3496                         goto no_journal;
3497                 }
3498                 if (!quiet) {
3499                         printf(_("Creating journal (%u blocks): "),
3500                                jparams.num_journal_blocks + jparams.num_fc_blocks);
3501                         fflush(stdout);
3502                 }
3503                 retval = ext2fs_add_journal_inode3(fs, &jparams,
3504                                                    journal_location,
3505                                                    journal_flags);
3506                 if (retval) {
3507                         com_err(program_name, retval, "%s",
3508                                 _("\n\twhile trying to create journal"));
3509                         exit(1);
3510                 }
3511                 if (!quiet)
3512                         printf("%s", _("done\n"));
3513         }
3514 no_journal:
3515         if (!super_only &&
3516             ext2fs_has_feature_mmp(fs->super)) {
3517                 retval = ext2fs_mmp_init(fs);
3518                 if (retval) {
3519                         fprintf(stderr, "%s",
3520                                 _("\nError while enabling multiple "
3521                                   "mount protection feature."));
3522                         exit(1);
3523                 }
3524                 if (!quiet)
3525                         printf(_("Multiple mount protection is enabled "
3526                                  "with update interval %d seconds.\n"),
3527                                fs->super->s_mmp_update_interval);
3528         }
3529
3530         overhead += EXT2FS_NUM_B2C(fs, fs->super->s_first_data_block);
3531         if (!super_only)
3532                 fs->super->s_overhead_clusters = overhead;
3533
3534         if (ext2fs_has_feature_bigalloc(&fs_param))
3535                 fix_cluster_bg_counts(fs);
3536         if (ext2fs_has_feature_quota(&fs_param))
3537                 create_quota_inodes(fs);
3538         if (ext2fs_has_feature_orphan_file(&fs_param)) {
3539                 if (!ext2fs_has_feature_journal(&fs_param)) {
3540                         com_err(program_name, 0, _("cannot set orphan_file "
3541                                 "feature without a journal."));
3542                         exit(1);
3543                 }
3544                 if (!orphan_file_blocks) {
3545                         orphan_file_blocks =
3546                                 ext2fs_default_orphan_file_blocks(fs);
3547                 }
3548                 retval = ext2fs_create_orphan_file(fs, orphan_file_blocks);
3549                 if (retval) {
3550                         com_err(program_name, retval,
3551                                 _("while creating orphan file"));
3552                         exit(1);
3553                 }
3554         }
3555
3556         retval = mk_hugefiles(fs, device_name);
3557         if (retval)
3558                 com_err(program_name, retval, "while creating huge files");
3559         /* Copy files from the specified directory or tarball */
3560         if (src_root) {
3561                 if (!quiet)
3562                         printf("%s", _("Copying files into the device: "));
3563
3564                 retval = populate_fs(fs, EXT2_ROOT_INO, src_root,
3565                                      EXT2_ROOT_INO);
3566                 if (retval) {
3567                         com_err(program_name, retval, "%s",
3568                                 _("while populating file system"));
3569                         exit(1);
3570                 } else if (!quiet)
3571                         printf("%s", _("done\n"));
3572         }
3573
3574         if (!quiet)
3575                 printf("%s", _("Writing superblocks and "
3576                        "filesystem accounting information: "));
3577         checkinterval = fs->super->s_checkinterval;
3578         max_mnt_count = fs->super->s_max_mnt_count;
3579         retval = ext2fs_close_free(&fs);
3580         if (retval) {
3581                 com_err(program_name, retval, "%s",
3582                         _("while writing out and closing file system"));
3583                 retval = 1;
3584         } else if (!quiet) {
3585                 printf("%s", _("done\n\n"));
3586                 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3587                         print_check_message(max_mnt_count, checkinterval);
3588         }
3589
3590         remove_error_table(&et_ext2_error_table);
3591         remove_error_table(&et_prof_error_table);
3592         profile_release(profile);
3593         for (i=0; fs_types[i]; i++)
3594                 free(fs_types[i]);
3595         free(fs_types);
3596         return retval;
3597 }