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 /* for inclusion of PATH_MAX in Solaris */ 20 21#include <stdio.h> 22#include <string.h> 23#include <strings.h> 24#include <fcntl.h> 25#include <ctype.h> 26#include <time.h> 27#ifdef __linux__ 28#include <sys/utsname.h> 29#endif 30#ifdef HAVE_GETOPT_H 31#include <getopt.h> 32#else 33extern char *optarg; 34extern int optind; 35#endif 36#ifdef HAVE_UNISTD_H 37#include <unistd.h> 38#endif 39#ifdef HAVE_STDLIB_H 40#include <stdlib.h> 41#endif 42#ifdef HAVE_ERRNO_H 43#include <errno.h> 44#endif 45#include <sys/ioctl.h> 46#include <sys/types.h> 47#include <sys/stat.h> 48#include <libgen.h> 49#include <limits.h> 50#include <blkid/blkid.h> 51 52#include "ext2fs/ext2_fs.h" 53#include "ext2fs/ext2fsP.h" 54#include "et/com_err.h" 55#include "uuid/uuid.h" 56#include "e2p/e2p.h" 57#include "ext2fs/ext2fs.h" 58#include "util.h" 59#include "profile.h" 60#include "prof_err.h" 61#include "../version.h" 62#include "nls-enable.h" 63#include "quota/mkquota.h" 64 65#define STRIDE_LENGTH 8 66 67#define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1) 68 69#ifndef __sparc__ 70#define ZAP_BOOTBLOCK 71#endif 72 73#ifndef ROOT_SYSCONFDIR 74#define ROOT_SYSCONFDIR "/etc" 75#endif 76 77#define DISCARD_STEP_MB (2048) 78 79extern int isatty(int); 80extern FILE *fpopen(const char *cmd, const char *mode); 81 82static const char * program_name = "mke2fs"; 83static const char * device_name /* = NULL */; 84 85/* Command line options */ 86static int cflag; 87static int verbose; 88static int quiet; 89static int super_only; 90static int discard = 1; /* attempt to discard device before fs creation */ 91static int direct_io; 92static int force; 93static int noaction; 94static uid_t root_uid; 95static gid_t root_gid; 96int journal_size; 97int journal_flags; 98static int lazy_itable_init; 99static char *bad_blocks_filename = NULL; 100static __u32 fs_stride; 101static int quotatype = -1; /* Initialize both user and group quotas by default */ 102 103static struct ext2_super_block fs_param; 104static char *fs_uuid = NULL; 105static char *creator_os; 106static char *volume_label; 107static char *mount_dir; 108char *journal_device; 109static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ 110static char **fs_types; 111 112static profile_t profile; 113 114static int sys_page_size = 4096; 115static int linux_version_code = 0; 116 117static void usage(void) 118{ 119 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " 120 "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] " 121 "[-J journal-options]\n" 122 "\t[-G flex-group-size] [-N number-of-inodes]\n" 123 "\t[-m reserved-blocks-percentage] [-o creator-os]\n" 124 "\t[-g blocks-per-group] [-L volume-label] " 125 "[-M last-mounted-directory]\n\t[-O feature[,...]] " 126 "[-r fs-revision] [-E extended-option[,...]]\n" 127 "\t[-t fs-type] [-T usage-type ] [-U UUID] " 128 "[-jnqvDFKSV] device [blocks-count]\n"), 129 program_name); 130 exit(1); 131} 132 133static int int_log2(unsigned long long arg) 134{ 135 int l = 0; 136 137 arg >>= 1; 138 while (arg) { 139 l++; 140 arg >>= 1; 141 } 142 return l; 143} 144 145static int int_log10(unsigned long long arg) 146{ 147 int l; 148 149 for (l=0; arg ; l++) 150 arg = arg / 10; 151 return l; 152} 153 154#ifdef __linux__ 155static int parse_version_number(const char *s) 156{ 157 int major, minor, rev; 158 char *endptr; 159 const char *cp = s; 160 161 if (!s) 162 return 0; 163 major = strtol(cp, &endptr, 10); 164 if (cp == endptr || *endptr != '.') 165 return 0; 166 cp = endptr + 1; 167 minor = strtol(cp, &endptr, 10); 168 if (cp == endptr || *endptr != '.') 169 return 0; 170 cp = endptr + 1; 171 rev = strtol(cp, &endptr, 10); 172 if (cp == endptr) 173 return 0; 174 return ((((major * 256) + minor) * 256) + rev); 175} 176#endif 177 178/* 179 * Helper function for read_bb_file and test_disk 180 */ 181static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) 182{ 183 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); 184 return; 185} 186 187/* 188 * Reads the bad blocks list from a file 189 */ 190static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, 191 const char *bad_blocks_file) 192{ 193 FILE *f; 194 errcode_t retval; 195 196 f = fopen(bad_blocks_file, "r"); 197 if (!f) { 198 com_err("read_bad_blocks_file", errno, 199 _("while trying to open %s"), bad_blocks_file); 200 exit(1); 201 } 202 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 203 fclose (f); 204 if (retval) { 205 com_err("ext2fs_read_bb_FILE", retval, "%s", 206 _("while reading in list of bad blocks from file")); 207 exit(1); 208 } 209} 210 211/* 212 * Runs the badblocks program to test the disk 213 */ 214static void test_disk(ext2_filsys fs, badblocks_list *bb_list) 215{ 216 FILE *f; 217 errcode_t retval; 218 char buf[1024]; 219 220 sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize, 221 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", 222 fs->device_name, ext2fs_blocks_count(fs->super)-1); 223 if (verbose) 224 printf(_("Running command: %s\n"), buf); 225 f = popen(buf, "r"); 226 if (!f) { 227 com_err("popen", errno, 228 _("while trying to run '%s'"), buf); 229 exit(1); 230 } 231 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 232 pclose(f); 233 if (retval) { 234 com_err("ext2fs_read_bb_FILE", retval, "%s", 235 _("while processing list of bad blocks from program")); 236 exit(1); 237 } 238} 239 240static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) 241{ 242 dgrp_t i; 243 blk_t j; 244 unsigned must_be_good; 245 blk_t blk; 246 badblocks_iterate bb_iter; 247 errcode_t retval; 248 blk_t group_block; 249 int group; 250 int group_bad; 251 252 if (!bb_list) 253 return; 254 255 /* 256 * The primary superblock and group descriptors *must* be 257 * good; if not, abort. 258 */ 259 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; 260 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { 261 if (ext2fs_badblocks_list_test(bb_list, i)) { 262 fprintf(stderr, _("Block %d in primary " 263 "superblock/group descriptor area bad.\n"), i); 264 fprintf(stderr, _("Blocks %u through %u must be good " 265 "in order to build a filesystem.\n"), 266 fs->super->s_first_data_block, must_be_good); 267 fputs(_("Aborting....\n"), stderr); 268 exit(1); 269 } 270 } 271 272 /* 273 * See if any of the bad blocks are showing up in the backup 274 * superblocks and/or group descriptors. If so, issue a 275 * warning and adjust the block counts appropriately. 276 */ 277 group_block = fs->super->s_first_data_block + 278 fs->super->s_blocks_per_group; 279 280 for (i = 1; i < fs->group_desc_count; i++) { 281 group_bad = 0; 282 for (j=0; j < fs->desc_blocks+1; j++) { 283 if (ext2fs_badblocks_list_test(bb_list, 284 group_block + j)) { 285 if (!group_bad) 286 fprintf(stderr, 287_("Warning: the backup superblock/group descriptors at block %u contain\n" 288" bad blocks.\n\n"), 289 group_block); 290 group_bad++; 291 group = ext2fs_group_of_blk2(fs, group_block+j); 292 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1); 293 ext2fs_group_desc_csum_set(fs, group); 294 ext2fs_free_blocks_count_add(fs->super, 1); 295 } 296 } 297 group_block += fs->super->s_blocks_per_group; 298 } 299 300 /* 301 * Mark all the bad blocks as used... 302 */ 303 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); 304 if (retval) { 305 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s", 306 _("while marking bad blocks as used")); 307 exit(1); 308 } 309 while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) 310 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk)); 311 ext2fs_badblocks_list_iterate_end(bb_iter); 312} 313 314static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed) 315{ 316 errcode_t retval; 317 blk64_t blk; 318 dgrp_t i; 319 int num; 320 struct ext2fs_numeric_progress_struct progress; 321 322 ext2fs_numeric_progress_init(fs, &progress, 323 _("Writing inode tables: "), 324 fs->group_desc_count); 325 326 for (i = 0; i < fs->group_desc_count; i++) { 327 ext2fs_numeric_progress_update(fs, &progress, i); 328 329 blk = ext2fs_inode_table_loc(fs, i); 330 num = fs->inode_blocks_per_group; 331 332 if (lazy_flag) 333 num = ext2fs_div_ceil((fs->super->s_inodes_per_group - 334 ext2fs_bg_itable_unused(fs, i)) * 335 EXT2_INODE_SIZE(fs->super), 336 EXT2_BLOCK_SIZE(fs->super)); 337 if (!lazy_flag || itable_zeroed) { 338 /* The kernel doesn't need to zero the itable blocks */ 339 ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED); 340 ext2fs_group_desc_csum_set(fs, i); 341 } 342 retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num); 343 if (retval) { 344 fprintf(stderr, _("\nCould not write %d " 345 "blocks in inode table starting at %llu: %s\n"), 346 num, blk, error_message(retval)); 347 exit(1); 348 } 349 if (sync_kludge) { 350 if (sync_kludge == 1) 351 sync(); 352 else if ((i % sync_kludge) == 0) 353 sync(); 354 } 355 } 356 ext2fs_zero_blocks2(0, 0, 0, 0, 0); 357 ext2fs_numeric_progress_close(fs, &progress, 358 _("done \n")); 359} 360 361static void create_root_dir(ext2_filsys fs) 362{ 363 errcode_t retval; 364 struct ext2_inode inode; 365 366 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); 367 if (retval) { 368 com_err("ext2fs_mkdir", retval, "%s", 369 _("while creating root dir")); 370 exit(1); 371 } 372 if (root_uid != 0 || root_gid != 0) { 373 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); 374 if (retval) { 375 com_err("ext2fs_read_inode", retval, "%s", 376 _("while reading root inode")); 377 exit(1); 378 } 379 380 inode.i_uid = root_uid; 381 ext2fs_set_i_uid_high(inode, root_uid >> 16); 382 inode.i_gid = root_gid; 383 ext2fs_set_i_gid_high(inode, root_gid >> 16); 384 385 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); 386 if (retval) { 387 com_err("ext2fs_write_inode", retval, "%s", 388 _("while setting root inode ownership")); 389 exit(1); 390 } 391 } 392} 393 394static void create_lost_and_found(ext2_filsys fs) 395{ 396 unsigned int lpf_size = 0; 397 errcode_t retval; 398 ext2_ino_t ino; 399 const char *name = "lost+found"; 400 int i; 401 402 fs->umask = 077; 403 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); 404 if (retval) { 405 com_err("ext2fs_mkdir", retval, "%s", 406 _("while creating /lost+found")); 407 exit(1); 408 } 409 410 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); 411 if (retval) { 412 com_err("ext2_lookup", retval, "%s", 413 _("while looking up /lost+found")); 414 exit(1); 415 } 416 417 for (i=1; i < EXT2_NDIR_BLOCKS; i++) { 418 /* Ensure that lost+found is at least 2 blocks, so we always 419 * test large empty blocks for big-block filesystems. */ 420 if ((lpf_size += fs->blocksize) >= 16*1024 && 421 lpf_size >= 2 * fs->blocksize) 422 break; 423 retval = ext2fs_expand_dir(fs, ino); 424 if (retval) { 425 com_err("ext2fs_expand_dir", retval, "%s", 426 _("while expanding /lost+found")); 427 exit(1); 428 } 429 } 430} 431 432static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) 433{ 434 errcode_t retval; 435 436 ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO); 437 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); 438 retval = ext2fs_update_bb_inode(fs, bb_list); 439 if (retval) { 440 com_err("ext2fs_update_bb_inode", retval, "%s", 441 _("while setting bad block inode")); 442 exit(1); 443 } 444 445} 446 447static void reserve_inodes(ext2_filsys fs) 448{ 449 ext2_ino_t i; 450 451 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) 452 ext2fs_inode_alloc_stats2(fs, i, +1, 0); 453 ext2fs_mark_ib_dirty(fs); 454} 455 456#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ 457#define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ 458#define BSD_LABEL_OFFSET 64 459 460static void zap_sector(ext2_filsys fs, int sect, int nsect) 461{ 462 char *buf; 463 int retval; 464 unsigned int *magic; 465 466 buf = malloc(512*nsect); 467 if (!buf) { 468 printf(_("Out of memory erasing sectors %d-%d\n"), 469 sect, sect + nsect - 1); 470 exit(1); 471 } 472 473 if (sect == 0) { 474 /* Check for a BSD disklabel, and don't erase it if so */ 475 retval = io_channel_read_blk64(fs->io, 0, -512, buf); 476 if (retval) 477 fprintf(stderr, 478 _("Warning: could not read block 0: %s\n"), 479 error_message(retval)); 480 else { 481 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); 482 if ((*magic == BSD_DISKMAGIC) || 483 (*magic == BSD_MAGICDISK)) 484 return; 485 } 486 } 487 488 memset(buf, 0, 512*nsect); 489 io_channel_set_blksize(fs->io, 512); 490 retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf); 491 io_channel_set_blksize(fs->io, fs->blocksize); 492 free(buf); 493 if (retval) 494 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), 495 sect, error_message(retval)); 496} 497 498static void create_journal_dev(ext2_filsys fs) 499{ 500 struct ext2fs_numeric_progress_struct progress; 501 errcode_t retval; 502 char *buf; 503 blk64_t blk, err_blk; 504 int c, count, err_count; 505 506 retval = ext2fs_create_journal_superblock(fs, 507 ext2fs_blocks_count(fs->super), 0, &buf); 508 if (retval) { 509 com_err("create_journal_dev", retval, "%s", 510 _("while initializing journal superblock")); 511 exit(1); 512 } 513 514 if (journal_flags & EXT2_MKJOURNAL_LAZYINIT) 515 goto write_superblock; 516 517 ext2fs_numeric_progress_init(fs, &progress, 518 _("Zeroing journal device: "), 519 ext2fs_blocks_count(fs->super)); 520 blk = 0; 521 count = ext2fs_blocks_count(fs->super); 522 while (count > 0) { 523 if (count > 1024) 524 c = 1024; 525 else 526 c = count; 527 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count); 528 if (retval) { 529 com_err("create_journal_dev", retval, 530 _("while zeroing journal device " 531 "(block %llu, count %d)"), 532 err_blk, err_count); 533 exit(1); 534 } 535 blk += c; 536 count -= c; 537 ext2fs_numeric_progress_update(fs, &progress, blk); 538 } 539 ext2fs_zero_blocks2(0, 0, 0, 0, 0); 540 541 ext2fs_numeric_progress_close(fs, &progress, NULL); 542write_superblock: 543 retval = io_channel_write_blk64(fs->io, 544 fs->super->s_first_data_block+1, 545 1, buf); 546 if (retval) { 547 com_err("create_journal_dev", retval, "%s", 548 _("while writing journal superblock")); 549 exit(1); 550 } 551} 552 553static void show_stats(ext2_filsys fs) 554{ 555 struct ext2_super_block *s = fs->super; 556 char buf[80]; 557 char *os; 558 blk64_t group_block; 559 dgrp_t i; 560 int need, col_left; 561 562 if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s)) 563 fprintf(stderr, _("warning: %llu blocks unused.\n\n"), 564 ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s)); 565 566 memset(buf, 0, sizeof(buf)); 567 strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); 568 printf(_("Filesystem label=%s\n"), buf); 569 os = e2p_os2string(fs->super->s_creator_os); 570 if (os) 571 printf(_("OS type: %s\n"), os); 572 free(os); 573 printf(_("Block size=%u (log=%u)\n"), fs->blocksize, 574 s->s_log_block_size); 575 if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super, 576 EXT4_FEATURE_RO_COMPAT_BIGALLOC)) 577 printf(_("Cluster size=%u (log=%u)\n"), 578 fs->blocksize << fs->cluster_ratio_bits, 579 s->s_log_cluster_size); 580 else 581 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s), 582 s->s_log_cluster_size); 583 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"), 584 s->s_raid_stride, s->s_raid_stripe_width); 585 printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count, 586 ext2fs_blocks_count(s)); 587 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"), 588 ext2fs_r_blocks_count(s), 589 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s)); 590 printf(_("First data block=%u\n"), s->s_first_data_block); 591 if (root_uid != 0 || root_gid != 0) 592 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid); 593 if (s->s_reserved_gdt_blocks) 594 printf(_("Maximum filesystem blocks=%lu\n"), 595 (s->s_reserved_gdt_blocks + fs->desc_blocks) * 596 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); 597 if (fs->group_desc_count > 1) 598 printf(_("%u block groups\n"), fs->group_desc_count); 599 else 600 printf(_("%u block group\n"), fs->group_desc_count); 601 if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super, 602 EXT4_FEATURE_RO_COMPAT_BIGALLOC)) 603 printf(_("%u blocks per group, %u clusters per group\n"), 604 s->s_blocks_per_group, s->s_clusters_per_group); 605 else 606 printf(_("%u blocks per group, %u fragments per group\n"), 607 s->s_blocks_per_group, s->s_clusters_per_group); 608 printf(_("%u inodes per group\n"), s->s_inodes_per_group); 609 610 if (fs->group_desc_count == 1) { 611 printf("\n"); 612 return; 613 } 614 615 printf("%s", _("Superblock backups stored on blocks: ")); 616 group_block = s->s_first_data_block; 617 col_left = 0; 618 for (i = 1; i < fs->group_desc_count; i++) { 619 group_block += s->s_blocks_per_group; 620 if (!ext2fs_bg_has_super(fs, i)) 621 continue; 622 if (i != 1) 623 printf(", "); 624 need = int_log10(group_block) + 2; 625 if (need > col_left) { 626 printf("\n\t"); 627 col_left = 72; 628 } 629 col_left -= need; 630 printf("%llu", group_block); 631 } 632 printf("\n\n"); 633} 634 635/* 636 * Set the S_CREATOR_OS field. Return true if OS is known, 637 * otherwise, 0. 638 */ 639static int set_os(struct ext2_super_block *sb, char *os) 640{ 641 if (isdigit (*os)) 642 sb->s_creator_os = atoi (os); 643 else if (strcasecmp(os, "linux") == 0) 644 sb->s_creator_os = EXT2_OS_LINUX; 645 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) 646 sb->s_creator_os = EXT2_OS_HURD; 647 else if (strcasecmp(os, "freebsd") == 0) 648 sb->s_creator_os = EXT2_OS_FREEBSD; 649 else if (strcasecmp(os, "lites") == 0) 650 sb->s_creator_os = EXT2_OS_LITES; 651 else 652 return 0; 653 return 1; 654} 655 656#define PATH_SET "PATH=/sbin" 657 658static void parse_extended_opts(struct ext2_super_block *param, 659 const char *opts) 660{ 661 char *buf, *token, *next, *p, *arg, *badopt = 0; 662 int len; 663 int r_usage = 0; 664 665 len = strlen(opts); 666 buf = malloc(len+1); 667 if (!buf) { 668 fprintf(stderr, "%s", 669 _("Couldn't allocate memory to parse options!\n")); 670 exit(1); 671 } 672 strcpy(buf, opts); 673 for (token = buf; token && *token; token = next) { 674 p = strchr(token, ','); 675 next = 0; 676 if (p) { 677 *p = 0; 678 next = p+1; 679 } 680 arg = strchr(token, '='); 681 if (arg) { 682 *arg = 0; 683 arg++; 684 } 685 if (strcmp(token, "desc-size") == 0 || 686 strcmp(token, "desc_size") == 0) { 687 int desc_size; 688 689 if (!(fs_param.s_feature_incompat & 690 EXT4_FEATURE_INCOMPAT_64BIT)) { 691 fprintf(stderr, 692 _("%s requires '-O 64bit'\n"), token); 693 r_usage++; 694 continue; 695 } 696 if (param->s_reserved_gdt_blocks != 0) { 697 fprintf(stderr, 698 _("'%s' must be before 'resize=%u'\n"), 699 token, param->s_reserved_gdt_blocks); 700 r_usage++; 701 continue; 702 } 703 if (!arg) { 704 r_usage++; 705 badopt = token; 706 continue; 707 } 708 desc_size = strtoul(arg, &p, 0); 709 if (*p || (desc_size & (desc_size - 1))) { 710 fprintf(stderr, 711 _("Invalid desc_size: '%s'\n"), arg); 712 r_usage++; 713 continue; 714 } 715 param->s_desc_size = desc_size; 716 } else if (strcmp(token, "mmp_update_interval") == 0) { 717 if (!arg) { 718 r_usage++; 719 badopt = token; 720 continue; 721 } 722 param->s_mmp_update_interval = strtoul(arg, &p, 0); 723 if (*p) { 724 fprintf(stderr, 725 _("Invalid mmp_update_interval: %s\n"), 726 arg); 727 r_usage++; 728 continue; 729 } 730 } else if (strcmp(token, "stride") == 0) { 731 if (!arg) { 732 r_usage++; 733 badopt = token; 734 continue; 735 } 736 param->s_raid_stride = strtoul(arg, &p, 0); 737 if (*p) { 738 fprintf(stderr, 739 _("Invalid stride parameter: %s\n"), 740 arg); 741 r_usage++; 742 continue; 743 } 744 } else if (strcmp(token, "stripe-width") == 0 || 745 strcmp(token, "stripe_width") == 0) { 746 if (!arg) { 747 r_usage++; 748 badopt = token; 749 continue; 750 } 751 param->s_raid_stripe_width = strtoul(arg, &p, 0); 752 if (*p) { 753 fprintf(stderr, 754 _("Invalid stripe-width parameter: %s\n"), 755 arg); 756 r_usage++; 757 continue; 758 } 759 } else if (!strcmp(token, "resize")) { 760 blk64_t resize; 761 unsigned long bpg, rsv_groups; 762 unsigned long group_desc_count, desc_blocks; 763 unsigned int gdpb, blocksize; 764 int rsv_gdb; 765 766 if (!arg) { 767 r_usage++; 768 badopt = token; 769 continue; 770 } 771 772 resize = parse_num_blocks2(arg, 773 param->s_log_block_size); 774 775 if (resize == 0) { 776 fprintf(stderr, 777 _("Invalid resize parameter: %s\n"), 778 arg); 779 r_usage++; 780 continue; 781 } 782 if (resize <= ext2fs_blocks_count(param)) { 783 fprintf(stderr, "%s", 784 _("The resize maximum must be greater " 785 "than the filesystem size.\n")); 786 r_usage++; 787 continue; 788 } 789 790 blocksize = EXT2_BLOCK_SIZE(param); 791 bpg = param->s_blocks_per_group; 792 if (!bpg) 793 bpg = blocksize * 8; 794 gdpb = EXT2_DESC_PER_BLOCK(param); 795 group_desc_count = (__u32) ext2fs_div64_ceil( 796 ext2fs_blocks_count(param), bpg); 797 desc_blocks = (group_desc_count + 798 gdpb - 1) / gdpb; 799 rsv_groups = ext2fs_div64_ceil(resize, bpg); 800 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - 801 desc_blocks; 802 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) 803 rsv_gdb = EXT2_ADDR_PER_BLOCK(param); 804 805 if (rsv_gdb > 0) { 806 if (param->s_rev_level == EXT2_GOOD_OLD_REV) { 807 fprintf(stderr, "%s", 808 _("On-line resizing not supported with revision 0 filesystems\n")); 809 free(buf); 810 exit(1); 811 } 812 param->s_feature_compat |= 813 EXT2_FEATURE_COMPAT_RESIZE_INODE; 814 815 param->s_reserved_gdt_blocks = rsv_gdb; 816 } 817 } else if (!strcmp(token, "test_fs")) { 818 param->s_flags |= EXT2_FLAGS_TEST_FILESYS; 819 } else if (!strcmp(token, "lazy_itable_init")) { 820 if (arg) 821 lazy_itable_init = strtoul(arg, &p, 0); 822 else 823 lazy_itable_init = 1; 824 } else if (!strcmp(token, "lazy_journal_init")) { 825 if (arg) 826 journal_flags |= strtoul(arg, &p, 0) ? 827 EXT2_MKJOURNAL_LAZYINIT : 0; 828 else 829 journal_flags |= EXT2_MKJOURNAL_LAZYINIT; 830 } else if (!strcmp(token, "root_owner")) { 831 if (arg) { 832 root_uid = strtoul(arg, &p, 0); 833 if (*p != ':') { 834 fprintf(stderr, 835 _("Invalid root_owner: '%s'\n"), 836 arg); 837 r_usage++; 838 continue; 839 } 840 p++; 841 root_gid = strtoul(p, &p, 0); 842 if (*p) { 843 fprintf(stderr, 844 _("Invalid root_owner: '%s'\n"), 845 arg); 846 r_usage++; 847 continue; 848 } 849 } else { 850 root_uid = getuid(); 851 root_gid = getgid(); 852 } 853 } else if (!strcmp(token, "discard")) { 854 discard = 1; 855 } else if (!strcmp(token, "nodiscard")) { 856 discard = 0; 857 } else if (!strcmp(token, "quotatype")) { 858 if (!arg) { 859 r_usage++; 860 badopt = token; 861 continue; 862 } 863 if (!strncmp(arg, "usr", 3)) { 864 quotatype = 0; 865 } else if (!strncmp(arg, "grp", 3)) { 866 quotatype = 1; 867 } else { 868 fprintf(stderr, 869 _("Invalid quotatype parameter: %s\n"), 870 arg); 871 r_usage++; 872 continue; 873 } 874 } else { 875 r_usage++; 876 badopt = token; 877 } 878 } 879 if (r_usage) { 880 fprintf(stderr, _("\nBad option(s) specified: %s\n\n" 881 "Extended options are separated by commas, " 882 "and may take an argument which\n" 883 "\tis set off by an equals ('=') sign.\n\n" 884 "Valid extended options are:\n" 885 "\tstride=<RAID per-disk data chunk in blocks>\n" 886 "\tstripe-width=<RAID stride * data disks in blocks>\n" 887 "\tresize=<resize maximum size in blocks>\n" 888 "\tlazy_itable_init=<0 to disable, 1 to enable>\n" 889 "\tlazy_journal_init=<0 to disable, 1 to enable>\n" 890 "\troot_uid=<uid of root directory>\n" 891 "\troot_gid=<gid of root directory>\n" 892 "\ttest_fs\n" 893 "\tdiscard\n" 894 "\tnodiscard\n" 895 "\tquotatype=<usr OR grp>\n\n"), 896 badopt ? badopt : ""); 897 free(buf); 898 exit(1); 899 } 900 if (param->s_raid_stride && 901 (param->s_raid_stripe_width % param->s_raid_stride) != 0) 902 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " 903 "multiple of stride %u.\n\n"), 904 param->s_raid_stripe_width, param->s_raid_stride); 905 906 free(buf); 907} 908 909static __u32 ok_features[3] = { 910 /* Compat */ 911 EXT3_FEATURE_COMPAT_HAS_JOURNAL | 912 EXT2_FEATURE_COMPAT_RESIZE_INODE | 913 EXT2_FEATURE_COMPAT_DIR_INDEX | 914 EXT2_FEATURE_COMPAT_EXT_ATTR, 915 /* Incompat */ 916 EXT2_FEATURE_INCOMPAT_FILETYPE| 917 EXT3_FEATURE_INCOMPAT_EXTENTS| 918 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| 919 EXT2_FEATURE_INCOMPAT_META_BG| 920 EXT4_FEATURE_INCOMPAT_FLEX_BG| 921 EXT4_FEATURE_INCOMPAT_MMP | 922 EXT4_FEATURE_INCOMPAT_64BIT, 923 /* R/O compat */ 924 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| 925 EXT4_FEATURE_RO_COMPAT_HUGE_FILE| 926 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 927 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| 928 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| 929 EXT4_FEATURE_RO_COMPAT_GDT_CSUM| 930 EXT4_FEATURE_RO_COMPAT_BIGALLOC| 931#ifdef CONFIG_QUOTA 932 EXT4_FEATURE_RO_COMPAT_QUOTA| 933#endif 934 0 935}; 936 937 938static void syntax_err_report(const char *filename, long err, int line_num) 939{ 940 fprintf(stderr, 941 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), 942 filename, line_num, error_message(err)); 943 exit(1); 944} 945 946static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; 947 948static void edit_feature(const char *str, __u32 *compat_array) 949{ 950 if (!str) 951 return; 952 953 if (e2p_edit_feature(str, compat_array, ok_features)) { 954 fprintf(stderr, _("Invalid filesystem option set: %s\n"), 955 str); 956 exit(1); 957 } 958} 959 960static void edit_mntopts(const char *str, __u32 *mntopts) 961{ 962 if (!str) 963 return; 964 965 if (e2p_edit_mntopts(str, mntopts, ~0)) { 966 fprintf(stderr, _("Invalid mount option set: %s\n"), 967 str); 968 exit(1); 969 } 970} 971 972struct str_list { 973 char **list; 974 int num; 975 int max; 976}; 977 978static errcode_t init_list(struct str_list *sl) 979{ 980 sl->num = 0; 981 sl->max = 0; 982 sl->list = malloc((sl->max+1) * sizeof(char *)); 983 if (!sl->list) 984 return ENOMEM; 985 sl->list[0] = 0; 986 return 0; 987} 988 989static errcode_t push_string(struct str_list *sl, const char *str) 990{ 991 char **new_list; 992 993 if (sl->num >= sl->max) { 994 sl->max += 2; 995 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); 996 if (!new_list) 997 return ENOMEM; 998 sl->list = new_list; 999 } 1000 sl->list[sl->num] = malloc(strlen(str)+1); 1001 if (sl->list[sl->num] == 0) 1002 return ENOMEM; 1003 strcpy(sl->list[sl->num], str); 1004 sl->num++; 1005 sl->list[sl->num] = 0; 1006 return 0; 1007} 1008 1009static void print_str_list(char **list) 1010{ 1011 char **cpp; 1012 1013 for (cpp = list; *cpp; cpp++) { 1014 printf("'%s'", *cpp); 1015 if (cpp[1]) 1016 fputs(", ", stdout); 1017 } 1018 fputc('\n', stdout); 1019} 1020 1021/* 1022 * Return TRUE if the profile has the given subsection 1023 */ 1024static int profile_has_subsection(profile_t prof, const char *section, 1025 const char *subsection) 1026{ 1027 void *state; 1028 const char *names[4]; 1029 char *name; 1030 int ret = 0; 1031 1032 names[0] = section; 1033 names[1] = subsection; 1034 names[2] = 0; 1035 1036 if (profile_iterator_create(prof, names, 1037 PROFILE_ITER_LIST_SECTION | 1038 PROFILE_ITER_RELATIONS_ONLY, &state)) 1039 return 0; 1040 1041 if ((profile_iterator(&state, &name, 0) == 0) && name) { 1042 free(name); 1043 ret = 1; 1044 } 1045 1046 profile_iterator_free(&state); 1047 return ret; 1048} 1049 1050static char **parse_fs_type(const char *fs_type, 1051 const char *usage_types, 1052 struct ext2_super_block *sb, 1053 blk64_t fs_blocks_count, 1054 char *progname) 1055{ 1056 const char *ext_type = 0; 1057 char *parse_str; 1058 char *profile_type = 0; 1059 char *cp, *t; 1060 const char *size_type; 1061 struct str_list list; 1062 unsigned long long meg; 1063 int is_hurd = 0; 1064 1065 if (init_list(&list)) 1066 return 0; 1067 1068 if (creator_os && (!strcasecmp(creator_os, "GNU") || 1069 !strcasecmp(creator_os, "hurd"))) 1070 is_hurd = 1; 1071 1072 if (fs_type) 1073 ext_type = fs_type; 1074 else if (is_hurd) 1075 ext_type = "ext2"; 1076 else if (!strcmp(program_name, "mke3fs")) 1077 ext_type = "ext3"; 1078 else if (!strcmp(program_name, "mke4fs")) 1079 ext_type = "ext4"; 1080 else if (progname) { 1081 ext_type = strrchr(progname, '/'); 1082 if (ext_type) 1083 ext_type++; 1084 else 1085 ext_type = progname; 1086 1087 if (!strncmp(ext_type, "mkfs.", 5)) { 1088 ext_type += 5; 1089 if (ext_type[0] == 0) 1090 ext_type = 0; 1091 } else 1092 ext_type = 0; 1093 } 1094 1095 if (!ext_type) { 1096 profile_get_string(profile, "defaults", "fs_type", 0, 1097 "ext2", &profile_type); 1098 ext_type = profile_type; 1099 if (!strcmp(ext_type, "ext2") && (journal_size != 0)) 1100 ext_type = "ext3"; 1101 } 1102 1103 1104 if (!profile_has_subsection(profile, "fs_types", ext_type) && 1105 strcmp(ext_type, "ext2")) { 1106 printf(_("\nYour mke2fs.conf file does not define the " 1107 "%s filesystem type.\n"), ext_type); 1108 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") || 1109 !strcmp(ext_type, "ext4dev")) { 1110 printf("%s", _("You probably need to install an " 1111 "updated mke2fs.conf file.\n\n")); 1112 } 1113 if (!force) { 1114 printf("%s", _("Aborting...\n")); 1115 exit(1); 1116 } 1117 } 1118 1119 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb); 1120 if (fs_blocks_count < 3 * meg) 1121 size_type = "floppy"; 1122 else if (fs_blocks_count < 512 * meg) 1123 size_type = "small"; 1124 else if (fs_blocks_count < 4 * 1024 * 1024 * meg) 1125 size_type = "default"; 1126 else if (fs_blocks_count < 16 * 1024 * 1024 * meg) 1127 size_type = "big"; 1128 else 1129 size_type = "huge"; 1130 1131 if (!usage_types) 1132 usage_types = size_type; 1133 1134 parse_str = malloc(strlen(usage_types)+1); 1135 if (!parse_str) { 1136 free(profile_type); 1137 free(list.list); 1138 return 0; 1139 } 1140 strcpy(parse_str, usage_types); 1141 1142 if (ext_type) 1143 push_string(&list, ext_type); 1144 cp = parse_str; 1145 while (1) { 1146 t = strchr(cp, ','); 1147 if (t) 1148 *t = '\0'; 1149 1150 if (*cp) { 1151 if (profile_has_subsection(profile, "fs_types", cp)) 1152 push_string(&list, cp); 1153 else if (strcmp(cp, "default") != 0) 1154 fprintf(stderr, 1155 _("\nWarning: the fs_type %s is not " 1156 "defined in mke2fs.conf\n\n"), 1157 cp); 1158 } 1159 if (t) 1160 cp = t+1; 1161 else 1162 break; 1163 } 1164 free(parse_str); 1165 free(profile_type); 1166 if (is_hurd) 1167 push_string(&list, "hurd"); 1168 return (list.list); 1169} 1170 1171static char *get_string_from_profile(char **types, const char *opt, 1172 const char *def_val) 1173{ 1174 char *ret = 0; 1175 int i; 1176 1177 for (i=0; types[i]; i++); 1178 for (i-=1; i >=0 ; i--) { 1179 profile_get_string(profile, "fs_types", types[i], 1180 opt, 0, &ret); 1181 if (ret) 1182 return ret; 1183 } 1184 profile_get_string(profile, "defaults", opt, 0, def_val, &ret); 1185 return (ret); 1186} 1187 1188static int get_int_from_profile(char **types, const char *opt, int def_val) 1189{ 1190 int ret; 1191 char **cpp; 1192 1193 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); 1194 for (cpp = types; *cpp; cpp++) 1195 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); 1196 return ret; 1197} 1198 1199static double get_double_from_profile(char **types, const char *opt, 1200 double def_val) 1201{ 1202 double ret; 1203 char **cpp; 1204 1205 profile_get_double(profile, "defaults", opt, 0, def_val, &ret); 1206 for (cpp = types; *cpp; cpp++) 1207 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret); 1208 return ret; 1209} 1210 1211static int get_bool_from_profile(char **types, const char *opt, int def_val) 1212{ 1213 int ret; 1214 char **cpp; 1215 1216 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); 1217 for (cpp = types; *cpp; cpp++) 1218 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); 1219 return ret; 1220} 1221 1222extern const char *mke2fs_default_profile; 1223static const char *default_files[] = { "<default>", 0 }; 1224 1225#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1226/* 1227 * Sets the geometry of a device (stripe/stride), and returns the 1228 * device's alignment offset, if any, or a negative error. 1229 */ 1230static int get_device_geometry(const char *file, 1231 struct ext2_super_block *fs_param, 1232 int psector_size) 1233{ 1234 int rc = -1; 1235 int blocksize; 1236 blkid_probe pr; 1237 blkid_topology tp; 1238 unsigned long min_io; 1239 unsigned long opt_io; 1240 struct stat statbuf; 1241 1242 /* Nothing to do for a regular file */ 1243 if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode)) 1244 return 0; 1245 1246 pr = blkid_new_probe_from_filename(file); 1247 if (!pr) 1248 goto out; 1249 1250 tp = blkid_probe_get_topology(pr); 1251 if (!tp) 1252 goto out; 1253 1254 min_io = blkid_topology_get_minimum_io_size(tp); 1255 opt_io = blkid_topology_get_optimal_io_size(tp); 1256 blocksize = EXT2_BLOCK_SIZE(fs_param); 1257 if ((min_io == 0) && (psector_size > blocksize)) 1258 min_io = psector_size; 1259 if ((opt_io == 0) && min_io) 1260 opt_io = min_io; 1261 if ((opt_io == 0) && (psector_size > blocksize)) 1262 opt_io = psector_size; 1263 1264 /* setting stripe/stride to blocksize is pointless */ 1265 if (min_io > blocksize) 1266 fs_param->s_raid_stride = min_io / blocksize; 1267 if (opt_io > blocksize) 1268 fs_param->s_raid_stripe_width = opt_io / blocksize; 1269 1270 rc = blkid_topology_get_alignment_offset(tp); 1271out: 1272 blkid_free_probe(pr); 1273 return rc; 1274} 1275#endif 1276 1277static void PRS(int argc, char *argv[]) 1278{ 1279 int b, c; 1280 int cluster_size = 0; 1281 char *tmp, **cpp; 1282 int blocksize = 0; 1283 int inode_ratio = 0; 1284 int inode_size = 0; 1285 unsigned long flex_bg_size = 0; 1286 double reserved_ratio = -1.0; 1287 int lsector_size = 0, psector_size = 0; 1288 int show_version_only = 0; 1289 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ 1290 errcode_t retval; 1291 char * oldpath = getenv("PATH"); 1292 char * extended_opts = 0; 1293 char * fs_type = 0; 1294 char * usage_types = 0; 1295 blk64_t dev_size; 1296 /* 1297 * NOTE: A few words about fs_blocks_count and blocksize: 1298 * 1299 * Initially, blocksize is set to zero, which implies 1024. 1300 * If -b is specified, blocksize is updated to the user's value. 1301 * 1302 * Next, the device size or the user's "blocks" command line argument 1303 * is used to set fs_blocks_count; the units are blocksize. 1304 * 1305 * Later, if blocksize hasn't been set and the profile specifies a 1306 * blocksize, then blocksize is updated and fs_blocks_count is scaled 1307 * appropriately. Note the change in units! 1308 * 1309 * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs. 1310 */ 1311 blk64_t fs_blocks_count = 0; 1312#ifdef __linux__ 1313 struct utsname ut; 1314#endif 1315 long sysval; 1316 int s_opt = -1, r_opt = -1; 1317 char *fs_features = 0; 1318 int use_bsize; 1319 char *newpath; 1320 int pathlen = sizeof(PATH_SET) + 1; 1321 1322 if (oldpath) 1323 pathlen += strlen(oldpath); 1324 newpath = malloc(pathlen); 1325 if (!newpath) { 1326 fprintf(stderr, "%s", 1327 _("Couldn't allocate memory for new PATH.\n")); 1328 exit(1); 1329 } 1330 strcpy(newpath, PATH_SET); 1331 1332 /* Update our PATH to include /sbin */ 1333 if (oldpath) { 1334 strcat (newpath, ":"); 1335 strcat (newpath, oldpath); 1336 } 1337 putenv (newpath); 1338 1339 tmp = getenv("MKE2FS_SYNC"); 1340 if (tmp) 1341 sync_kludge = atoi(tmp); 1342 1343 /* Determine the system page size if possible */ 1344#ifdef HAVE_SYSCONF 1345#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) 1346#define _SC_PAGESIZE _SC_PAGE_SIZE 1347#endif 1348#ifdef _SC_PAGESIZE 1349 sysval = sysconf(_SC_PAGESIZE); 1350 if (sysval > 0) 1351 sys_page_size = sysval; 1352#endif /* _SC_PAGESIZE */ 1353#endif /* HAVE_SYSCONF */ 1354 1355 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) 1356 config_fn[0] = tmp; 1357 profile_set_syntax_err_cb(syntax_err_report); 1358 retval = profile_init(config_fn, &profile); 1359 if (retval == ENOENT) { 1360 retval = profile_init(default_files, &profile); 1361 if (retval) 1362 goto profile_error; 1363 retval = profile_set_default(profile, mke2fs_default_profile); 1364 if (retval) 1365 goto profile_error; 1366 } else if (retval) { 1367profile_error: 1368 fprintf(stderr, _("Couldn't init profile successfully" 1369 " (error: %ld).\n"), retval); 1370 exit(1); 1371 } 1372 1373 setbuf(stdout, NULL); 1374 setbuf(stderr, NULL); 1375 add_error_table(&et_ext2_error_table); 1376 add_error_table(&et_prof_error_table); 1377 memset(&fs_param, 0, sizeof(struct ext2_super_block)); 1378 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ 1379 1380#ifdef __linux__ 1381 if (uname(&ut)) { 1382 perror("uname"); 1383 exit(1); 1384 } 1385 linux_version_code = parse_version_number(ut.release); 1386 if (linux_version_code && linux_version_code < (2*65536 + 2*256)) 1387 fs_param.s_rev_level = 0; 1388#endif 1389 1390 if (argc && *argv) { 1391 program_name = get_progname(*argv); 1392 1393 /* If called as mkfs.ext3, create a journal inode */ 1394 if (!strcmp(program_name, "mkfs.ext3") || 1395 !strcmp(program_name, "mke3fs")) 1396 journal_size = -1; 1397 } 1398 1399 while ((c = getopt (argc, argv, 1400 "b:cg:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:V")) != EOF) { 1401 switch (c) { 1402 case 'b': 1403 blocksize = parse_num_blocks2(optarg, -1); 1404 b = (blocksize > 0) ? blocksize : -blocksize; 1405 if (b < EXT2_MIN_BLOCK_SIZE || 1406 b > EXT2_MAX_BLOCK_SIZE) { 1407 com_err(program_name, 0, 1408 _("invalid block size - %s"), optarg); 1409 exit(1); 1410 } 1411 if (blocksize > 4096) 1412 fprintf(stderr, _("Warning: blocksize %d not " 1413 "usable on most systems.\n"), 1414 blocksize); 1415 if (blocksize > 0) 1416 fs_param.s_log_block_size = 1417 int_log2(blocksize >> 1418 EXT2_MIN_BLOCK_LOG_SIZE); 1419 break; 1420 case 'c': /* Check for bad blocks */ 1421 cflag++; 1422 break; 1423 case 'C': 1424 cluster_size = parse_num_blocks2(optarg, -1); 1425 if (cluster_size <= EXT2_MIN_CLUSTER_SIZE || 1426 cluster_size > EXT2_MAX_CLUSTER_SIZE) { 1427 com_err(program_name, 0, 1428 _("invalid cluster size - %s"), 1429 optarg); 1430 exit(1); 1431 } 1432 break; 1433 case 'D': 1434 direct_io = 1; 1435 break; 1436 case 'R': 1437 com_err(program_name, 0, "%s", 1438 _("'-R' is deprecated, use '-E' instead")); 1439 /* fallthrough */ 1440 case 'E': 1441 extended_opts = optarg; 1442 break; 1443 case 'F': 1444 force++; 1445 break; 1446 case 'g': 1447 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); 1448 if (*tmp) { 1449 com_err(program_name, 0, "%s", 1450 _("Illegal number for blocks per group")); 1451 exit(1); 1452 } 1453 if ((fs_param.s_blocks_per_group % 8) != 0) { 1454 com_err(program_name, 0, "%s", 1455 _("blocks per group must be multiple of 8")); 1456 exit(1); 1457 } 1458 break; 1459 case 'G': 1460 flex_bg_size = strtoul(optarg, &tmp, 0); 1461 if (*tmp) { 1462 com_err(program_name, 0, "%s", 1463 _("Illegal number for flex_bg size")); 1464 exit(1); 1465 } 1466 if (flex_bg_size < 1 || 1467 (flex_bg_size & (flex_bg_size-1)) != 0) { 1468 com_err(program_name, 0, "%s", 1469 _("flex_bg size must be a power of 2")); 1470 exit(1); 1471 } 1472 break; 1473 case 'i': 1474 inode_ratio = strtoul(optarg, &tmp, 0); 1475 if (inode_ratio < EXT2_MIN_BLOCK_SIZE || 1476 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || 1477 *tmp) { 1478 com_err(program_name, 0, 1479 _("invalid inode ratio %s (min %d/max %d)"), 1480 optarg, EXT2_MIN_BLOCK_SIZE, 1481 EXT2_MAX_BLOCK_SIZE * 1024); 1482 exit(1); 1483 } 1484 break; 1485 case 'I': 1486 inode_size = strtoul(optarg, &tmp, 0); 1487 if (*tmp) { 1488 com_err(program_name, 0, 1489 _("invalid inode size - %s"), optarg); 1490 exit(1); 1491 } 1492 break; 1493 case 'j': 1494 if (!journal_size) 1495 journal_size = -1; 1496 break; 1497 case 'J': 1498 parse_journal_opts(optarg); 1499 break; 1500 case 'K': 1501 fprintf(stderr, "%s", 1502 _("Warning: -K option is deprecated and " 1503 "should not be used anymore. Use " 1504 "\'-E nodiscard\' extended option " 1505 "instead!\n")); 1506 discard = 0; 1507 break; 1508 case 'l': 1509 bad_blocks_filename = realloc(bad_blocks_filename, 1510 strlen(optarg) + 1); 1511 if (!bad_blocks_filename) { 1512 com_err(program_name, ENOMEM, "%s", 1513 _("in malloc for bad_blocks_filename")); 1514 exit(1); 1515 } 1516 strcpy(bad_blocks_filename, optarg); 1517 break; 1518 case 'L': 1519 volume_label = optarg; 1520 break; 1521 case 'm': 1522 reserved_ratio = strtod(optarg, &tmp); 1523 if ( *tmp || reserved_ratio > 50 || 1524 reserved_ratio < 0) { 1525 com_err(program_name, 0, 1526 _("invalid reserved blocks percent - %s"), 1527 optarg); 1528 exit(1); 1529 } 1530 break; 1531 case 'M': 1532 mount_dir = optarg; 1533 break; 1534 case 'n': 1535 noaction++; 1536 break; 1537 case 'N': 1538 num_inodes = strtoul(optarg, &tmp, 0); 1539 if (*tmp) { 1540 com_err(program_name, 0, 1541 _("bad num inodes - %s"), optarg); 1542 exit(1); 1543 } 1544 break; 1545 case 'o': 1546 creator_os = optarg; 1547 break; 1548 case 'O': 1549 fs_features = optarg; 1550 break; 1551 case 'q': 1552 quiet = 1; 1553 break; 1554 case 'r': 1555 r_opt = strtoul(optarg, &tmp, 0); 1556 if (*tmp) { 1557 com_err(program_name, 0, 1558 _("bad revision level - %s"), optarg); 1559 exit(1); 1560 } 1561 fs_param.s_rev_level = r_opt; 1562 break; 1563 case 's': /* deprecated */ 1564 s_opt = atoi(optarg); 1565 break; 1566 case 'S': 1567 super_only = 1; 1568 break; 1569 case 't': 1570 if (fs_type) { 1571 com_err(program_name, 0, "%s", 1572 _("The -t option may only be used once")); 1573 exit(1); 1574 } 1575 fs_type = strdup(optarg); 1576 break; 1577 case 'T': 1578 if (usage_types) { 1579 com_err(program_name, 0, "%s", 1580 _("The -T option may only be used once")); 1581 exit(1); 1582 } 1583 usage_types = strdup(optarg); 1584 break; 1585 case 'U': 1586 fs_uuid = optarg; 1587 break; 1588 case 'v': 1589 verbose = 1; 1590 break; 1591 case 'V': 1592 /* Print version number and exit */ 1593 show_version_only++; 1594 break; 1595 default: 1596 usage(); 1597 } 1598 } 1599 if ((optind == argc) && !show_version_only) 1600 usage(); 1601 device_name = argv[optind++]; 1602 1603 if (!quiet || show_version_only) 1604 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, 1605 E2FSPROGS_DATE); 1606 1607 if (show_version_only) { 1608 fprintf(stderr, _("\tUsing %s\n"), 1609 error_message(EXT2_ET_BASE)); 1610 exit(0); 1611 } 1612 1613 /* 1614 * If there's no blocksize specified and there is a journal 1615 * device, use it to figure out the blocksize 1616 */ 1617 if (blocksize <= 0 && journal_device) { 1618 ext2_filsys jfs; 1619 io_manager io_ptr; 1620 1621#ifdef CONFIG_TESTIO_DEBUG 1622 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1623 io_ptr = test_io_manager; 1624 test_io_backing_manager = unix_io_manager; 1625 } else 1626#endif 1627 io_ptr = unix_io_manager; 1628 retval = ext2fs_open(journal_device, 1629 EXT2_FLAG_JOURNAL_DEV_OK, 0, 1630 0, io_ptr, &jfs); 1631 if (retval) { 1632 com_err(program_name, retval, 1633 _("while trying to open journal device %s\n"), 1634 journal_device); 1635 exit(1); 1636 } 1637 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { 1638 com_err(program_name, 0, 1639 _("Journal dev blocksize (%d) smaller than " 1640 "minimum blocksize %d\n"), jfs->blocksize, 1641 -blocksize); 1642 exit(1); 1643 } 1644 blocksize = jfs->blocksize; 1645 printf(_("Using journal device's blocksize: %d\n"), blocksize); 1646 fs_param.s_log_block_size = 1647 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1648 ext2fs_close(jfs); 1649 } 1650 1651 if (optind < argc) { 1652 fs_blocks_count = parse_num_blocks2(argv[optind++], 1653 fs_param.s_log_block_size); 1654 if (!fs_blocks_count) { 1655 com_err(program_name, 0, 1656 _("invalid blocks '%s' on device '%s'"), 1657 argv[optind - 1], device_name); 1658 exit(1); 1659 } 1660 } 1661 if (optind < argc) 1662 usage(); 1663 1664 if (!force) 1665 check_plausibility(device_name); 1666 check_mount(device_name, force, _("filesystem")); 1667 1668 /* Determine the size of the device (if possible) */ 1669 if (noaction && fs_blocks_count) { 1670 dev_size = fs_blocks_count; 1671 retval = 0; 1672 } else 1673 retval = ext2fs_get_device_size2(device_name, 1674 EXT2_BLOCK_SIZE(&fs_param), 1675 &dev_size); 1676 1677 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { 1678 com_err(program_name, retval, "%s", 1679 _("while trying to determine filesystem size")); 1680 exit(1); 1681 } 1682 if (!fs_blocks_count) { 1683 if (retval == EXT2_ET_UNIMPLEMENTED) { 1684 com_err(program_name, 0, "%s", 1685 _("Couldn't determine device size; you " 1686 "must specify\nthe size of the " 1687 "filesystem\n")); 1688 exit(1); 1689 } else { 1690 if (dev_size == 0) { 1691 com_err(program_name, 0, "%s", 1692 _("Device size reported to be zero. " 1693 "Invalid partition specified, or\n\t" 1694 "partition table wasn't reread " 1695 "after running fdisk, due to\n\t" 1696 "a modified partition being busy " 1697 "and in use. You may need to reboot\n\t" 1698 "to re-read your partition table.\n" 1699 )); 1700 exit(1); 1701 } 1702 fs_blocks_count = dev_size; 1703 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) 1704 fs_blocks_count &= ~((blk64_t) ((sys_page_size / 1705 EXT2_BLOCK_SIZE(&fs_param))-1)); 1706 } 1707 } else if (!force && (fs_blocks_count > dev_size)) { 1708 com_err(program_name, 0, "%s", 1709 _("Filesystem larger than apparent device size.")); 1710 proceed_question(); 1711 } 1712 1713 if (!fs_type) 1714 profile_get_string(profile, "devices", device_name, 1715 "fs_type", 0, &fs_type); 1716 if (!usage_types) 1717 profile_get_string(profile, "devices", device_name, 1718 "usage_types", 0, &usage_types); 1719 1720 /* 1721 * We have the file system (or device) size, so we can now 1722 * determine the appropriate file system types so the fs can 1723 * be appropriately configured. 1724 */ 1725 fs_types = parse_fs_type(fs_type, usage_types, &fs_param, 1726 fs_blocks_count ? fs_blocks_count : dev_size, 1727 argv[0]); 1728 if (!fs_types) { 1729 fprintf(stderr, "%s", _("Failed to parse fs types list\n")); 1730 exit(1); 1731 } 1732 1733 /* Figure out what features should be enabled */ 1734 1735 tmp = NULL; 1736 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { 1737 tmp = get_string_from_profile(fs_types, "base_features", 1738 "sparse_super,filetype,resize_inode,dir_index"); 1739 edit_feature(tmp, &fs_param.s_feature_compat); 1740 free(tmp); 1741 1742 /* And which mount options as well */ 1743 tmp = get_string_from_profile(fs_types, "default_mntopts", 1744 "acl,user_xattr"); 1745 edit_mntopts(tmp, &fs_param.s_default_mount_opts); 1746 if (tmp) 1747 free(tmp); 1748 1749 for (cpp = fs_types; *cpp; cpp++) { 1750 tmp = NULL; 1751 profile_get_string(profile, "fs_types", *cpp, 1752 "features", "", &tmp); 1753 if (tmp && *tmp) 1754 edit_feature(tmp, &fs_param.s_feature_compat); 1755 if (tmp) 1756 free(tmp); 1757 } 1758 tmp = get_string_from_profile(fs_types, "default_features", 1759 ""); 1760 } 1761 edit_feature(fs_features ? fs_features : tmp, 1762 &fs_param.s_feature_compat); 1763 if (tmp) 1764 free(tmp); 1765 1766 /* Get the hardware sector sizes, if available */ 1767 retval = ext2fs_get_device_sectsize(device_name, &lsector_size); 1768 if (retval) { 1769 com_err(program_name, retval, "%s", 1770 _("while trying to determine hardware sector size")); 1771 exit(1); 1772 } 1773 retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size); 1774 if (retval) { 1775 com_err(program_name, retval, "%s", 1776 _("while trying to determine physical sector size")); 1777 exit(1); 1778 } 1779 1780 tmp = getenv("MKE2FS_DEVICE_SECTSIZE"); 1781 if (tmp != NULL) 1782 lsector_size = atoi(tmp); 1783 tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE"); 1784 if (tmp != NULL) 1785 psector_size = atoi(tmp); 1786 1787 /* Older kernels may not have physical/logical distinction */ 1788 if (!psector_size) 1789 psector_size = lsector_size; 1790 1791 if (blocksize <= 0) { 1792 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); 1793 1794 if (use_bsize == -1) { 1795 use_bsize = sys_page_size; 1796 if ((linux_version_code < (2*65536 + 6*256)) && 1797 (use_bsize > 4096)) 1798 use_bsize = 4096; 1799 } 1800 if (lsector_size && use_bsize < lsector_size) 1801 use_bsize = lsector_size; 1802 if ((blocksize < 0) && (use_bsize < (-blocksize))) 1803 use_bsize = -blocksize; 1804 blocksize = use_bsize; 1805 fs_blocks_count /= (blocksize / 1024); 1806 } else { 1807 if (blocksize < lsector_size) { /* Impossible */ 1808 com_err(program_name, EINVAL, "%s", 1809 _("while setting blocksize; too small " 1810 "for device\n")); 1811 exit(1); 1812 } else if ((blocksize < psector_size) && 1813 (psector_size <= sys_page_size)) { /* Suboptimal */ 1814 fprintf(stderr, _("Warning: specified blocksize %d is " 1815 "less than device physical sectorsize %d\n"), 1816 blocksize, psector_size); 1817 } 1818 } 1819 1820 fs_param.s_log_block_size = 1821 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1822 1823 /* 1824 * We now need to do a sanity check of fs_blocks_count for 1825 * 32-bit vs 64-bit block number support. 1826 */ 1827 if ((fs_blocks_count > MAX_32_NUM) && 1828 !(fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) && 1829 get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) { 1830 fs_param.s_feature_incompat |= EXT4_FEATURE_INCOMPAT_64BIT; 1831 fs_param.s_feature_compat &= ~EXT2_FEATURE_COMPAT_RESIZE_INODE; 1832 } 1833 if ((fs_blocks_count > MAX_32_NUM) && 1834 !(fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT)) { 1835 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s " 1836 "too big to be expressed\n\t" 1837 "in 32 bits using a blocksize of %d.\n"), 1838 program_name, fs_blocks_count, device_name, 1839 EXT2_BLOCK_SIZE(&fs_param)); 1840 exit(1); 1841 } 1842 1843 ext2fs_blocks_count_set(&fs_param, fs_blocks_count); 1844 1845 if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1846 fs_types[0] = strdup("journal"); 1847 fs_types[1] = 0; 1848 } 1849 1850 if (verbose) { 1851 fputs(_("fs_types for mke2fs.conf resolution: "), stdout); 1852 print_str_list(fs_types); 1853 } 1854 1855 if (r_opt == EXT2_GOOD_OLD_REV && 1856 (fs_param.s_feature_compat || fs_param.s_feature_incompat || 1857 fs_param.s_feature_ro_compat)) { 1858 fprintf(stderr, "%s", _("Filesystem features not supported " 1859 "with revision 0 filesystems\n")); 1860 exit(1); 1861 } 1862 1863 if (s_opt > 0) { 1864 if (r_opt == EXT2_GOOD_OLD_REV) { 1865 fprintf(stderr, "%s", 1866 _("Sparse superblocks not supported " 1867 "with revision 0 filesystems\n")); 1868 exit(1); 1869 } 1870 fs_param.s_feature_ro_compat |= 1871 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1872 } else if (s_opt == 0) 1873 fs_param.s_feature_ro_compat &= 1874 ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1875 1876 if (journal_size != 0) { 1877 if (r_opt == EXT2_GOOD_OLD_REV) { 1878 fprintf(stderr, "%s", _("Journals not supported with " 1879 "revision 0 filesystems\n")); 1880 exit(1); 1881 } 1882 fs_param.s_feature_compat |= 1883 EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1884 } 1885 1886 /* Get reserved_ratio from profile if not specified on cmd line. */ 1887 if (reserved_ratio < 0.0) { 1888 reserved_ratio = get_double_from_profile( 1889 fs_types, "reserved_ratio", 5.0); 1890 if (reserved_ratio > 50 || reserved_ratio < 0) { 1891 com_err(program_name, 0, 1892 _("invalid reserved blocks percent - %lf"), 1893 reserved_ratio); 1894 exit(1); 1895 } 1896 } 1897 1898 if (fs_param.s_feature_incompat & 1899 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1900 reserved_ratio = 0; 1901 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; 1902 fs_param.s_feature_compat = 0; 1903 fs_param.s_feature_ro_compat = 0; 1904 } 1905 1906 /* Check the user's mkfs options for 64bit */ 1907 if ((fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) && 1908 !(fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS)) { 1909 printf("%s", _("Extents MUST be enabled for a 64-bit " 1910 "filesystem. Pass -O extents to rectify.\n")); 1911 exit(1); 1912 } 1913 1914 /* Set first meta blockgroup via an environment variable */ 1915 /* (this is mostly for debugging purposes) */ 1916 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1917 ((tmp = getenv("MKE2FS_FIRST_META_BG")))) 1918 fs_param.s_first_meta_bg = atoi(tmp); 1919 if (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) { 1920 if (!cluster_size) 1921 cluster_size = get_int_from_profile(fs_types, 1922 "cluster_size", 1923 blocksize*16); 1924 fs_param.s_log_cluster_size = 1925 int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE); 1926 if (fs_param.s_log_cluster_size && 1927 fs_param.s_log_cluster_size < fs_param.s_log_block_size) { 1928 com_err(program_name, 0, "%s", 1929 _("The cluster size may not be " 1930 "smaller than the block size.\n")); 1931 exit(1); 1932 } 1933 } else if (cluster_size) { 1934 com_err(program_name, 0, "%s", 1935 _("specifying a cluster size requires the " 1936 "bigalloc feature")); 1937 exit(1); 1938 } else 1939 fs_param.s_log_cluster_size = fs_param.s_log_block_size; 1940 1941 if (inode_ratio == 0) { 1942 inode_ratio = get_int_from_profile(fs_types, "inode_ratio", 1943 8192); 1944 if (inode_ratio < blocksize) 1945 inode_ratio = blocksize; 1946 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param)) 1947 inode_ratio = EXT2_CLUSTER_SIZE(&fs_param); 1948 } 1949 1950#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1951 retval = get_device_geometry(device_name, &fs_param, psector_size); 1952 if (retval < 0) { 1953 fprintf(stderr, 1954 _("warning: Unable to get device geometry for %s\n"), 1955 device_name); 1956 } else if (retval) { 1957 printf(_("%s alignment is offset by %lu bytes.\n"), 1958 device_name, retval); 1959 printf(_("This may result in very poor performance, " 1960 "(re)-partitioning suggested.\n")); 1961 } 1962#endif 1963 1964 blocksize = EXT2_BLOCK_SIZE(&fs_param); 1965 1966 /* 1967 * Initialize s_desc_size so that the parse_extended_opts() 1968 * can correctly handle "-E resize=NNN" if the 64-bit option 1969 * is set. 1970 */ 1971 if (fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) 1972 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT; 1973 1974 /* This check should happen beyond the last assignment to blocksize */ 1975 if (blocksize > sys_page_size) { 1976 if (!force) { 1977 com_err(program_name, 0, 1978 _("%d-byte blocks too big for system (max %d)"), 1979 blocksize, sys_page_size); 1980 proceed_question(); 1981 } 1982 fprintf(stderr, _("Warning: %d-byte blocks too big for system " 1983 "(max %d), forced to continue\n"), 1984 blocksize, sys_page_size); 1985 } 1986 1987 lazy_itable_init = 0; 1988 if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0) 1989 lazy_itable_init = 1; 1990 1991 lazy_itable_init = get_bool_from_profile(fs_types, 1992 "lazy_itable_init", 1993 lazy_itable_init); 1994 discard = get_bool_from_profile(fs_types, "discard" , discard); 1995 journal_flags |= get_bool_from_profile(fs_types, 1996 "lazy_journal_init", 0) ? 1997 EXT2_MKJOURNAL_LAZYINIT : 0; 1998 journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK; 1999 2000 /* Get options from profile */ 2001 for (cpp = fs_types; *cpp; cpp++) { 2002 tmp = NULL; 2003 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp); 2004 if (tmp && *tmp) 2005 parse_extended_opts(&fs_param, tmp); 2006 free(tmp); 2007 } 2008 2009 if (extended_opts) 2010 parse_extended_opts(&fs_param, extended_opts); 2011 2012 /* Can't support bigalloc feature without extents feature */ 2013 if ((fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) && 2014 !(fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS)) { 2015 com_err(program_name, 0, "%s", 2016 _("Can't support bigalloc feature without " 2017 "extents feature")); 2018 exit(1); 2019 } 2020 2021 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 2022 (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) { 2023 fprintf(stderr, "%s", _("The resize_inode and meta_bg " 2024 "features are not compatible.\n" 2025 "They can not be both enabled " 2026 "simultaneously.\n")); 2027 exit(1); 2028 } 2029 2030 if (!quiet && 2031 (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC)) 2032 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is " 2033 "still under development\n" 2034 "See https://ext4.wiki.kernel.org/" 2035 "index.php/Bigalloc for more information\n\n")); 2036 2037 if (!quiet && 2038 (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_QUOTA)) 2039 fprintf(stderr, "%s", _("\nWarning: the quota feature is " 2040 "still under development\n" 2041 "See https://ext4.wiki.kernel.org/" 2042 "index.php/Quota for more information\n\n")); 2043 2044 /* Since sparse_super is the default, we would only have a problem 2045 * here if it was explicitly disabled. 2046 */ 2047 if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && 2048 !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { 2049 com_err(program_name, 0, "%s", 2050 _("reserved online resize blocks not supported " 2051 "on non-sparse filesystem")); 2052 exit(1); 2053 } 2054 2055 if (fs_param.s_blocks_per_group) { 2056 if (fs_param.s_blocks_per_group < 256 || 2057 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { 2058 com_err(program_name, 0, "%s", 2059 _("blocks per group count out of range")); 2060 exit(1); 2061 } 2062 } 2063 2064 /* 2065 * If the bigalloc feature is enabled, then the -g option will 2066 * specify the number of clusters per group. 2067 */ 2068 if (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) { 2069 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group; 2070 fs_param.s_blocks_per_group = 0; 2071 } 2072 2073 if (inode_size == 0) 2074 inode_size = get_int_from_profile(fs_types, "inode_size", 0); 2075 if (!flex_bg_size && (fs_param.s_feature_incompat & 2076 EXT4_FEATURE_INCOMPAT_FLEX_BG)) 2077 flex_bg_size = get_int_from_profile(fs_types, 2078 "flex_bg_size", 16); 2079 if (flex_bg_size) { 2080 if (!(fs_param.s_feature_incompat & 2081 EXT4_FEATURE_INCOMPAT_FLEX_BG)) { 2082 com_err(program_name, 0, "%s", 2083 _("Flex_bg feature not enabled, so " 2084 "flex_bg size may not be specified")); 2085 exit(1); 2086 } 2087 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size); 2088 } 2089 2090 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { 2091 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || 2092 inode_size > EXT2_BLOCK_SIZE(&fs_param) || 2093 inode_size & (inode_size - 1)) { 2094 com_err(program_name, 0, 2095 _("invalid inode size %d (min %d/max %d)"), 2096 inode_size, EXT2_GOOD_OLD_INODE_SIZE, 2097 blocksize); 2098 exit(1); 2099 } 2100 fs_param.s_inode_size = inode_size; 2101 } 2102 2103 /* Make sure number of inodes specified will fit in 32 bits */ 2104 if (num_inodes == 0) { 2105 unsigned long long n; 2106 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio; 2107 if (n > MAX_32_NUM) { 2108 if (fs_param.s_feature_incompat & 2109 EXT4_FEATURE_INCOMPAT_64BIT) 2110 num_inodes = MAX_32_NUM; 2111 else { 2112 com_err(program_name, 0, 2113 _("too many inodes (%llu), raise " 2114 "inode ratio?"), n); 2115 exit(1); 2116 } 2117 } 2118 } else if (num_inodes > MAX_32_NUM) { 2119 com_err(program_name, 0, 2120 _("too many inodes (%llu), specify < 2^32 inodes"), 2121 num_inodes); 2122 exit(1); 2123 } 2124 /* 2125 * Calculate number of inodes based on the inode ratio 2126 */ 2127 fs_param.s_inodes_count = num_inodes ? num_inodes : 2128 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio; 2129 2130 if ((((unsigned long long)fs_param.s_inodes_count) * 2131 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= 2132 ((ext2fs_blocks_count(&fs_param)) * 2133 EXT2_BLOCK_SIZE(&fs_param))) { 2134 com_err(program_name, 0, _("inode_size (%u) * inodes_count " 2135 "(%u) too big for a\n\t" 2136 "filesystem with %llu blocks, " 2137 "specify higher inode_ratio (-i)\n\t" 2138 "or lower inode count (-N).\n"), 2139 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, 2140 fs_param.s_inodes_count, 2141 (unsigned long long) ext2fs_blocks_count(&fs_param)); 2142 exit(1); 2143 } 2144 2145 /* 2146 * Calculate number of blocks to reserve 2147 */ 2148 ext2fs_r_blocks_count_set(&fs_param, reserved_ratio * 2149 ext2fs_blocks_count(&fs_param) / 100.0); 2150 2151 free(fs_type); 2152 free(usage_types); 2153} 2154 2155static int should_do_undo(const char *name) 2156{ 2157 errcode_t retval; 2158 io_channel channel; 2159 __u16 s_magic; 2160 struct ext2_super_block super; 2161 io_manager manager = unix_io_manager; 2162 int csum_flag, force_undo; 2163 2164 csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 2165 EXT4_FEATURE_RO_COMPAT_GDT_CSUM); 2166 force_undo = get_int_from_profile(fs_types, "force_undo", 0); 2167 if (!force_undo && (!csum_flag || !lazy_itable_init)) 2168 return 0; 2169 2170 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel); 2171 if (retval) { 2172 /* 2173 * We don't handle error cases instead we 2174 * declare that the file system doesn't exist 2175 * and let the rest of mke2fs take care of 2176 * error 2177 */ 2178 retval = 0; 2179 goto open_err_out; 2180 } 2181 2182 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET); 2183 retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super); 2184 if (retval) { 2185 retval = 0; 2186 goto err_out; 2187 } 2188 2189#if defined(WORDS_BIGENDIAN) 2190 s_magic = ext2fs_swab16(super.s_magic); 2191#else 2192 s_magic = super.s_magic; 2193#endif 2194 2195 if (s_magic == EXT2_SUPER_MAGIC) 2196 retval = 1; 2197 2198err_out: 2199 io_channel_close(channel); 2200 2201open_err_out: 2202 2203 return retval; 2204} 2205 2206static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr) 2207{ 2208 errcode_t retval = ENOMEM; 2209 char *tdb_dir = NULL, *tdb_file = NULL; 2210 char *dev_name, *tmp_name; 2211 int free_tdb_dir = 0; 2212 2213 /* 2214 * Configuration via a conf file would be 2215 * nice 2216 */ 2217 tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); 2218 if (!tdb_dir) { 2219 profile_get_string(profile, "defaults", 2220 "undo_dir", 0, "/var/lib/e2fsprogs", 2221 &tdb_dir); 2222 free_tdb_dir = 1; 2223 } 2224 2225 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || 2226 access(tdb_dir, W_OK)) { 2227 if (free_tdb_dir) 2228 free(tdb_dir); 2229 return 0; 2230 } 2231 2232 tmp_name = strdup(name); 2233 if (!tmp_name) 2234 goto errout; 2235 dev_name = basename(tmp_name); 2236 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1); 2237 if (!tdb_file) { 2238 free(tmp_name); 2239 goto errout; 2240 } 2241 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name); 2242 free(tmp_name); 2243 2244 if (!access(tdb_file, F_OK)) { 2245 if (unlink(tdb_file) < 0) { 2246 retval = errno; 2247 goto errout; 2248 } 2249 } 2250 2251 set_undo_io_backing_manager(*io_ptr); 2252 *io_ptr = undo_io_manager; 2253 retval = set_undo_io_backup_file(tdb_file); 2254 if (retval) 2255 goto errout; 2256 printf(_("Overwriting existing filesystem; this can be undone " 2257 "using the command:\n" 2258 " e2undo %s %s\n\n"), tdb_file, name); 2259 2260 if (free_tdb_dir) 2261 free(tdb_dir); 2262 free(tdb_file); 2263 return 0; 2264 2265errout: 2266 if (free_tdb_dir) 2267 free(tdb_dir); 2268 free(tdb_file); 2269 com_err(program_name, retval, "%s", 2270 _("while trying to setup undo file\n")); 2271 return retval; 2272} 2273 2274static int mke2fs_discard_device(ext2_filsys fs) 2275{ 2276 struct ext2fs_numeric_progress_struct progress; 2277 blk64_t blocks = ext2fs_blocks_count(fs->super); 2278 blk64_t count = DISCARD_STEP_MB; 2279 blk64_t cur; 2280 int retval = 0; 2281 2282 /* 2283 * Let's try if discard really works on the device, so 2284 * we do not print numeric progress resulting in failure 2285 * afterwards. 2286 */ 2287 retval = io_channel_discard(fs->io, 0, fs->blocksize); 2288 if (retval) 2289 return retval; 2290 cur = fs->blocksize; 2291 2292 count *= (1024 * 1024); 2293 count /= fs->blocksize; 2294 2295 ext2fs_numeric_progress_init(fs, &progress, 2296 _("Discarding device blocks: "), 2297 blocks); 2298 while (cur < blocks) { 2299 ext2fs_numeric_progress_update(fs, &progress, cur); 2300 2301 if (cur + count > blocks) 2302 count = blocks - cur; 2303 2304 retval = io_channel_discard(fs->io, cur, count); 2305 if (retval) 2306 break; 2307 cur += count; 2308 } 2309 2310 if (retval) { 2311 ext2fs_numeric_progress_close(fs, &progress, 2312 _("failed - ")); 2313 if (!quiet) 2314 printf("%s\n",error_message(retval)); 2315 } else 2316 ext2fs_numeric_progress_close(fs, &progress, 2317 _("done \n")); 2318 2319 return retval; 2320} 2321 2322static void fix_cluster_bg_counts(ext2_filsys fs) 2323{ 2324 blk64_t cluster, num_clusters, tot_free; 2325 unsigned num = 0; 2326 int grp_free, num_free, group; 2327 2328 num_clusters = EXT2FS_B2C(fs, ext2fs_blocks_count(fs->super)); 2329 tot_free = num_free = group = grp_free = 0; 2330 for (cluster = EXT2FS_B2C(fs, fs->super->s_first_data_block); 2331 cluster < num_clusters; cluster++) { 2332 if (!ext2fs_test_block_bitmap2(fs->block_map, 2333 EXT2FS_C2B(fs, cluster))) { 2334 grp_free++; 2335 tot_free++; 2336 } 2337 num++; 2338 if ((num == fs->super->s_clusters_per_group) || 2339 (cluster == num_clusters-1)) { 2340 ext2fs_bg_free_blocks_count_set(fs, group, grp_free); 2341 ext2fs_group_desc_csum_set(fs, group); 2342 num = 0; 2343 grp_free = 0; 2344 group++; 2345 } 2346 } 2347 ext2fs_free_blocks_count_set(fs->super, EXT2FS_C2B(fs, tot_free)); 2348} 2349 2350static int create_quota_inodes(ext2_filsys fs) 2351{ 2352 quota_ctx_t qctx; 2353 2354 quota_init_context(&qctx, fs, -1); 2355 quota_compute_usage(qctx); 2356 quota_write_inode(qctx, quotatype); 2357 quota_release_context(&qctx); 2358 2359 return 0; 2360} 2361 2362int main (int argc, char *argv[]) 2363{ 2364 errcode_t retval = 0; 2365 ext2_filsys fs; 2366 badblocks_list bb_list = 0; 2367 unsigned int journal_blocks; 2368 unsigned int i, checkinterval; 2369 int max_mnt_count; 2370 int val, hash_alg; 2371 int flags; 2372 int old_bitmaps; 2373 io_manager io_ptr; 2374 char tdb_string[40]; 2375 char *hash_alg_str; 2376 int itable_zeroed = 0; 2377 2378#ifdef ENABLE_NLS 2379 setlocale(LC_MESSAGES, ""); 2380 setlocale(LC_CTYPE, ""); 2381 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 2382 textdomain(NLS_CAT_NAME); 2383 set_com_err_gettext(gettext); 2384#endif 2385 PRS(argc, argv); 2386 2387#ifdef CONFIG_TESTIO_DEBUG 2388 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 2389 io_ptr = test_io_manager; 2390 test_io_backing_manager = unix_io_manager; 2391 } else 2392#endif 2393 io_ptr = unix_io_manager; 2394 2395 if (should_do_undo(device_name)) { 2396 retval = mke2fs_setup_tdb(device_name, &io_ptr); 2397 if (retval) 2398 exit(1); 2399 } 2400 2401 /* 2402 * Initialize the superblock.... 2403 */ 2404 flags = EXT2_FLAG_EXCLUSIVE; 2405 if (direct_io) 2406 flags |= EXT2_FLAG_DIRECT_IO; 2407 profile_get_boolean(profile, "options", "old_bitmaps", 0, 0, 2408 &old_bitmaps); 2409 if (!old_bitmaps) 2410 flags |= EXT2_FLAG_64BITS; 2411 /* 2412 * By default, we print how many inode tables or block groups 2413 * or whatever we've written so far. The quiet flag disables 2414 * this, along with a lot of other output. 2415 */ 2416 if (!quiet) 2417 flags |= EXT2_FLAG_PRINT_PROGRESS; 2418 retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs); 2419 if (retval) { 2420 com_err(device_name, retval, "%s", 2421 _("while setting up superblock")); 2422 exit(1); 2423 } 2424 2425 /* Calculate journal blocks */ 2426 if (!journal_device && ((journal_size) || 2427 (fs_param.s_feature_compat & 2428 EXT3_FEATURE_COMPAT_HAS_JOURNAL))) 2429 journal_blocks = figure_journal_size(journal_size, fs); 2430 2431 /* Can't undo discard ... */ 2432 if (!noaction && discard && (io_ptr != undo_io_manager)) { 2433 retval = mke2fs_discard_device(fs); 2434 if (!retval && io_channel_discard_zeroes_data(fs->io)) { 2435 if (verbose) 2436 printf("%s", 2437 _("Discard succeeded and will return " 2438 "0s - skipping inode table wipe\n")); 2439 lazy_itable_init = 1; 2440 itable_zeroed = 1; 2441 } 2442 } 2443 2444 sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? 2445 32768 : fs->blocksize * 8); 2446 io_channel_set_options(fs->io, tdb_string); 2447 2448 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) 2449 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; 2450 2451 if ((fs_param.s_feature_incompat & 2452 (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) || 2453 (fs_param.s_feature_ro_compat & 2454 (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM| 2455 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 2456 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE))) 2457 fs->super->s_kbytes_written = 1; 2458 2459 /* 2460 * Wipe out the old on-disk superblock 2461 */ 2462 if (!noaction) 2463 zap_sector(fs, 2, 6); 2464 2465 /* 2466 * Parse or generate a UUID for the filesystem 2467 */ 2468 if (fs_uuid) { 2469 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) { 2470 com_err(device_name, 0, "could not parse UUID: %s\n", 2471 fs_uuid); 2472 exit(1); 2473 } 2474 } else 2475 uuid_generate(fs->super->s_uuid); 2476 2477 /* 2478 * Initialize the directory index variables 2479 */ 2480 hash_alg_str = get_string_from_profile(fs_types, "hash_alg", 2481 "half_md4"); 2482 hash_alg = e2p_string2hash(hash_alg_str); 2483 free(hash_alg_str); 2484 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg : 2485 EXT2_HASH_HALF_MD4; 2486 uuid_generate((unsigned char *) fs->super->s_hash_seed); 2487 2488 /* 2489 * Periodic checks can be enabled/disabled via config file. 2490 * Note we override the kernel include file's idea of what the default 2491 * check interval (never) should be. It's a good idea to check at 2492 * least *occasionally*, specially since servers will never rarely get 2493 * to reboot, since Linux is so robust these days. :-) 2494 * 2495 * 180 days (six months) seems like a good value. 2496 */ 2497#ifdef EXT2_DFL_CHECKINTERVAL 2498#undef EXT2_DFL_CHECKINTERVAL 2499#endif 2500#define EXT2_DFL_CHECKINTERVAL (86400L * 180L) 2501 2502 if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) { 2503 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL; 2504 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT; 2505 /* 2506 * Add "jitter" to the superblock's check interval so that we 2507 * don't check all the filesystems at the same time. We use a 2508 * kludgy hack of using the UUID to derive a random jitter value 2509 */ 2510 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) 2511 val += fs->super->s_uuid[i]; 2512 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; 2513 } else 2514 fs->super->s_max_mnt_count = -1; 2515 2516 /* 2517 * Override the creator OS, if applicable 2518 */ 2519 if (creator_os && !set_os(fs->super, creator_os)) { 2520 com_err (program_name, 0, _("unknown os - %s"), creator_os); 2521 exit(1); 2522 } 2523 2524 /* 2525 * For the Hurd, we will turn off filetype since it doesn't 2526 * support it. 2527 */ 2528 if (fs->super->s_creator_os == EXT2_OS_HURD) 2529 fs->super->s_feature_incompat &= 2530 ~EXT2_FEATURE_INCOMPAT_FILETYPE; 2531 2532 /* 2533 * Set the volume label... 2534 */ 2535 if (volume_label) { 2536 memset(fs->super->s_volume_name, 0, 2537 sizeof(fs->super->s_volume_name)); 2538 strncpy(fs->super->s_volume_name, volume_label, 2539 sizeof(fs->super->s_volume_name)); 2540 } 2541 2542 /* 2543 * Set the last mount directory 2544 */ 2545 if (mount_dir) { 2546 memset(fs->super->s_last_mounted, 0, 2547 sizeof(fs->super->s_last_mounted)); 2548 strncpy(fs->super->s_last_mounted, mount_dir, 2549 sizeof(fs->super->s_last_mounted)); 2550 } 2551 2552 if (!quiet || noaction) 2553 show_stats(fs); 2554 2555 if (noaction) 2556 exit(0); 2557 2558 if (fs->super->s_feature_incompat & 2559 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 2560 create_journal_dev(fs); 2561 exit(ext2fs_close(fs) ? 1 : 0); 2562 } 2563 2564 if (bad_blocks_filename) 2565 read_bb_file(fs, &bb_list, bad_blocks_filename); 2566 if (cflag) 2567 test_disk(fs, &bb_list); 2568 2569 handle_bad_blocks(fs, bb_list); 2570 fs->stride = fs_stride = fs->super->s_raid_stride; 2571 if (!quiet) 2572 printf("%s", _("Allocating group tables: ")); 2573 retval = ext2fs_allocate_tables(fs); 2574 if (retval) { 2575 com_err(program_name, retval, "%s", 2576 _("while trying to allocate filesystem tables")); 2577 exit(1); 2578 } 2579 if (!quiet) 2580 printf("%s", _("done \n")); 2581 2582 retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map); 2583 if (retval) { 2584 com_err(program_name, retval, "%s", 2585 _("\n\twhile converting subcluster bitmap")); 2586 exit(1); 2587 } 2588 2589 if (super_only) { 2590 fs->super->s_state |= EXT2_ERROR_FS; 2591 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); 2592 /* 2593 * The command "mke2fs -S" is used to recover 2594 * corrupted file systems, so do not mark any of the 2595 * inodes as unused; we want e2fsck to consider all 2596 * inodes as potentially containing recoverable data. 2597 */ 2598 if (fs->super->s_feature_ro_compat & 2599 EXT4_FEATURE_RO_COMPAT_GDT_CSUM) { 2600 for (i = 0; i < fs->group_desc_count; i++) 2601 ext2fs_bg_itable_unused_set(fs, i, 0); 2602 } 2603 } else { 2604 /* rsv must be a power of two (64kB is MD RAID sb alignment) */ 2605 blk64_t rsv = 65536 / fs->blocksize; 2606 blk64_t blocks = ext2fs_blocks_count(fs->super); 2607 blk64_t start; 2608 blk64_t ret_blk; 2609 2610#ifdef ZAP_BOOTBLOCK 2611 zap_sector(fs, 0, 2); 2612#endif 2613 2614 /* 2615 * Wipe out any old MD RAID (or other) metadata at the end 2616 * of the device. This will also verify that the device is 2617 * as large as we think. Be careful with very small devices. 2618 */ 2619 start = (blocks & ~(rsv - 1)); 2620 if (start > rsv) 2621 start -= rsv; 2622 if (start > 0) 2623 retval = ext2fs_zero_blocks2(fs, start, blocks - start, 2624 &ret_blk, NULL); 2625 2626 if (retval) { 2627 com_err(program_name, retval, 2628 _("while zeroing block %llu at end of filesystem"), 2629 ret_blk); 2630 } 2631 write_inode_tables(fs, lazy_itable_init, itable_zeroed); 2632 create_root_dir(fs); 2633 create_lost_and_found(fs); 2634 reserve_inodes(fs); 2635 create_bad_block_inode(fs, bb_list); 2636 if (fs->super->s_feature_compat & 2637 EXT2_FEATURE_COMPAT_RESIZE_INODE) { 2638 retval = ext2fs_create_resize_inode(fs); 2639 if (retval) { 2640 com_err("ext2fs_create_resize_inode", retval, 2641 "%s", 2642 _("while reserving blocks for online resize")); 2643 exit(1); 2644 } 2645 } 2646 } 2647 2648 if (journal_device) { 2649 ext2_filsys jfs; 2650 2651 if (!force) 2652 check_plausibility(journal_device); 2653 check_mount(journal_device, force, _("journal")); 2654 2655 retval = ext2fs_open(journal_device, EXT2_FLAG_RW| 2656 EXT2_FLAG_JOURNAL_DEV_OK, 0, 2657 fs->blocksize, unix_io_manager, &jfs); 2658 if (retval) { 2659 com_err(program_name, retval, 2660 _("while trying to open journal device %s\n"), 2661 journal_device); 2662 exit(1); 2663 } 2664 if (!quiet) { 2665 printf(_("Adding journal to device %s: "), 2666 journal_device); 2667 fflush(stdout); 2668 } 2669 retval = ext2fs_add_journal_device(fs, jfs); 2670 if(retval) { 2671 com_err (program_name, retval, 2672 _("\n\twhile trying to add journal to device %s"), 2673 journal_device); 2674 exit(1); 2675 } 2676 if (!quiet) 2677 printf("%s", _("done\n")); 2678 ext2fs_close(jfs); 2679 free(journal_device); 2680 } else if ((journal_size) || 2681 (fs_param.s_feature_compat & 2682 EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { 2683 if (super_only) { 2684 printf("%s", _("Skipping journal creation in super-only mode\n")); 2685 fs->super->s_journal_inum = EXT2_JOURNAL_INO; 2686 goto no_journal; 2687 } 2688 2689 if (!journal_blocks) { 2690 fs->super->s_feature_compat &= 2691 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 2692 goto no_journal; 2693 } 2694 if (!quiet) { 2695 printf(_("Creating journal (%u blocks): "), 2696 journal_blocks); 2697 fflush(stdout); 2698 } 2699 retval = ext2fs_add_journal_inode(fs, journal_blocks, 2700 journal_flags); 2701 if (retval) { 2702 com_err(program_name, retval, "%s", 2703 _("\n\twhile trying to create journal")); 2704 exit(1); 2705 } 2706 if (!quiet) 2707 printf("%s", _("done\n")); 2708 } 2709no_journal: 2710 if (!super_only && 2711 fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) { 2712 retval = ext2fs_mmp_init(fs); 2713 if (retval) { 2714 fprintf(stderr, "%s", 2715 _("\nError while enabling multiple " 2716 "mount protection feature.")); 2717 exit(1); 2718 } 2719 if (!quiet) 2720 printf(_("Multiple mount protection is enabled " 2721 "with update interval %d seconds.\n"), 2722 fs->super->s_mmp_update_interval); 2723 } 2724 2725 if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 2726 EXT4_FEATURE_RO_COMPAT_BIGALLOC)) 2727 fix_cluster_bg_counts(fs); 2728 if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 2729 EXT4_FEATURE_RO_COMPAT_QUOTA)) 2730 create_quota_inodes(fs); 2731 2732 if (!quiet) 2733 printf("%s", _("Writing superblocks and " 2734 "filesystem accounting information: ")); 2735 checkinterval = fs->super->s_checkinterval; 2736 max_mnt_count = fs->super->s_max_mnt_count; 2737 retval = ext2fs_close(fs); 2738 if (retval) { 2739 fprintf(stderr, "%s", 2740 _("\nWarning, had trouble writing out superblocks.")); 2741 } else if (!quiet) { 2742 printf("%s", _("done\n\n")); 2743 if (!getenv("MKE2FS_SKIP_CHECK_MSG")) 2744 print_check_message(max_mnt_count, checkinterval); 2745 } 2746 2747 remove_error_table(&et_ext2_error_table); 2748 remove_error_table(&et_prof_error_table); 2749 profile_release(profile); 2750 for (i=0; fs_types[i]; i++) 2751 free(fs_types[i]); 2752 free(fs_types); 2753 return retval; 2754} 2755