mke2fs.c revision d0c537748d5a9799dd0658b0a5cceaafc28084bb
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#ifdef HAVE_MNTENT_H 46#include <mntent.h> 47#endif 48#include <sys/ioctl.h> 49#include <sys/types.h> 50#include <libgen.h> 51#include <limits.h> 52 53#include "ext2fs/ext2_fs.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 64#define STRIDE_LENGTH 8 65 66#ifndef __sparc__ 67#define ZAP_BOOTBLOCK 68#endif 69 70extern int isatty(int); 71extern FILE *fpopen(const char *cmd, const char *mode); 72 73const char * program_name = "mke2fs"; 74const char * device_name /* = NULL */; 75 76/* Command line options */ 77int cflag; 78int verbose; 79int quiet; 80int super_only; 81int force; 82int noaction; 83int journal_size; 84int journal_flags; 85int lazy_itable_init; 86char *bad_blocks_filename; 87__u32 fs_stride; 88 89struct ext2_super_block fs_param; 90char *fs_uuid = NULL; 91char *creator_os; 92char *volume_label; 93char *mount_dir; 94char *journal_device; 95int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ 96char **fs_types; 97 98profile_t profile; 99 100int sys_page_size = 4096; 101int linux_version_code = 0; 102 103static void usage(void) 104{ 105 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " 106 "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] " 107 "[-J journal-options]\n" 108 "\t[-G meta group size] [-N number-of-inodes]\n" 109 "\t[-m reserved-blocks-percentage] [-o creator-os]\n" 110 "\t[-g blocks-per-group] [-L volume-label] " 111 "[-M last-mounted-directory]\n\t[-O feature[,...]] " 112 "[-r fs-revision] [-E extended-option[,...]]\n" 113 "\t[-T fs-type] [-U UUID] [-jnqvFSV] device [blocks-count]\n"), 114 program_name); 115 exit(1); 116} 117 118static int int_log2(int arg) 119{ 120 int l = 0; 121 122 arg >>= 1; 123 while (arg) { 124 l++; 125 arg >>= 1; 126 } 127 return l; 128} 129 130static int int_log10(unsigned int arg) 131{ 132 int l; 133 134 for (l=0; arg ; l++) 135 arg = arg / 10; 136 return l; 137} 138 139static int parse_version_number(const char *s) 140{ 141 int major, minor, rev; 142 char *endptr; 143 const char *cp = s; 144 145 if (!s) 146 return 0; 147 major = strtol(cp, &endptr, 10); 148 if (cp == endptr || *endptr != '.') 149 return 0; 150 cp = endptr + 1; 151 minor = strtol(cp, &endptr, 10); 152 if (cp == endptr || *endptr != '.') 153 return 0; 154 cp = endptr + 1; 155 rev = strtol(cp, &endptr, 10); 156 if (cp == endptr) 157 return 0; 158 return ((((major * 256) + minor) * 256) + rev); 159} 160 161/* 162 * Helper function for read_bb_file and test_disk 163 */ 164static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) 165{ 166 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); 167 return; 168} 169 170/* 171 * Reads the bad blocks list from a file 172 */ 173static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, 174 const char *bad_blocks_file) 175{ 176 FILE *f; 177 errcode_t retval; 178 179 f = fopen(bad_blocks_file, "r"); 180 if (!f) { 181 com_err("read_bad_blocks_file", errno, 182 _("while trying to open %s"), bad_blocks_file); 183 exit(1); 184 } 185 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 186 fclose (f); 187 if (retval) { 188 com_err("ext2fs_read_bb_FILE", retval, 189 _("while reading in list of bad blocks from file")); 190 exit(1); 191 } 192} 193 194/* 195 * Runs the badblocks program to test the disk 196 */ 197static void test_disk(ext2_filsys fs, badblocks_list *bb_list) 198{ 199 FILE *f; 200 errcode_t retval; 201 char buf[1024]; 202 203 sprintf(buf, "badblocks -b %d -X %s%s%s %u", fs->blocksize, 204 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", 205 fs->device_name, fs->super->s_blocks_count-1); 206 if (verbose) 207 printf(_("Running command: %s\n"), buf); 208 f = popen(buf, "r"); 209 if (!f) { 210 com_err("popen", errno, 211 _("while trying to run '%s'"), buf); 212 exit(1); 213 } 214 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 215 pclose(f); 216 if (retval) { 217 com_err("ext2fs_read_bb_FILE", retval, 218 _("while processing list of bad blocks from program")); 219 exit(1); 220 } 221} 222 223static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) 224{ 225 dgrp_t i; 226 blk_t j; 227 unsigned must_be_good; 228 blk_t blk; 229 badblocks_iterate bb_iter; 230 errcode_t retval; 231 blk_t group_block; 232 int group; 233 int group_bad; 234 235 if (!bb_list) 236 return; 237 238 /* 239 * The primary superblock and group descriptors *must* be 240 * good; if not, abort. 241 */ 242 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; 243 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { 244 if (ext2fs_badblocks_list_test(bb_list, i)) { 245 fprintf(stderr, _("Block %d in primary " 246 "superblock/group descriptor area bad.\n"), i); 247 fprintf(stderr, _("Blocks %u through %u must be good " 248 "in order to build a filesystem.\n"), 249 fs->super->s_first_data_block, must_be_good); 250 fputs(_("Aborting....\n"), stderr); 251 exit(1); 252 } 253 } 254 255 /* 256 * See if any of the bad blocks are showing up in the backup 257 * superblocks and/or group descriptors. If so, issue a 258 * warning and adjust the block counts appropriately. 259 */ 260 group_block = fs->super->s_first_data_block + 261 fs->super->s_blocks_per_group; 262 263 for (i = 1; i < fs->group_desc_count; i++) { 264 group_bad = 0; 265 for (j=0; j < fs->desc_blocks+1; j++) { 266 if (ext2fs_badblocks_list_test(bb_list, 267 group_block + j)) { 268 if (!group_bad) 269 fprintf(stderr, 270_("Warning: the backup superblock/group descriptors at block %u contain\n" 271" bad blocks.\n\n"), 272 group_block); 273 group_bad++; 274 group = ext2fs_group_of_blk(fs, group_block+j); 275 fs->group_desc[group].bg_free_blocks_count++; 276 ext2fs_group_desc_csum_set(fs, group); 277 fs->super->s_free_blocks_count++; 278 } 279 } 280 group_block += fs->super->s_blocks_per_group; 281 } 282 283 /* 284 * Mark all the bad blocks as used... 285 */ 286 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); 287 if (retval) { 288 com_err("ext2fs_badblocks_list_iterate_begin", retval, 289 _("while marking bad blocks as used")); 290 exit(1); 291 } 292 while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) 293 ext2fs_mark_block_bitmap(fs->block_map, blk); 294 ext2fs_badblocks_list_iterate_end(bb_iter); 295} 296 297/* 298 * These functions implement a generalized progress meter. 299 */ 300struct progress_struct { 301 char format[20]; 302 char backup[80]; 303 __u32 max; 304 int skip_progress; 305}; 306 307static void progress_init(struct progress_struct *progress, 308 const char *label,__u32 max) 309{ 310 int i; 311 312 memset(progress, 0, sizeof(struct progress_struct)); 313 if (quiet) 314 return; 315 316 /* 317 * Figure out how many digits we need 318 */ 319 i = int_log10(max); 320 sprintf(progress->format, "%%%dd/%%%dld", i, i); 321 memset(progress->backup, '\b', sizeof(progress->backup)-1); 322 progress->backup[sizeof(progress->backup)-1] = 0; 323 if ((2*i)+1 < (int) sizeof(progress->backup)) 324 progress->backup[(2*i)+1] = 0; 325 progress->max = max; 326 327 progress->skip_progress = 0; 328 if (getenv("MKE2FS_SKIP_PROGRESS")) 329 progress->skip_progress++; 330 331 fputs(label, stdout); 332 fflush(stdout); 333} 334 335static void progress_update(struct progress_struct *progress, __u32 val) 336{ 337 if ((progress->format[0] == 0) || progress->skip_progress) 338 return; 339 printf(progress->format, val, progress->max); 340 fputs(progress->backup, stdout); 341} 342 343static void progress_close(struct progress_struct *progress) 344{ 345 if (progress->format[0] == 0) 346 return; 347 fputs(_("done \n"), stdout); 348} 349 350static void write_inode_tables(ext2_filsys fs, int lazy_flag) 351{ 352 errcode_t retval; 353 blk_t blk; 354 dgrp_t i; 355 int num, ipb; 356 struct progress_struct progress; 357 358 if (quiet) 359 memset(&progress, 0, sizeof(progress)); 360 else 361 progress_init(&progress, _("Writing inode tables: "), 362 fs->group_desc_count); 363 364 for (i = 0; i < fs->group_desc_count; i++) { 365 progress_update(&progress, i); 366 367 blk = fs->group_desc[i].bg_inode_table; 368 num = fs->inode_blocks_per_group; 369 370 if (lazy_flag) { 371 ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super); 372 num = ((((fs->super->s_inodes_per_group - 373 fs->group_desc[i].bg_itable_unused) * 374 EXT2_INODE_SIZE(fs->super)) + 375 EXT2_BLOCK_SIZE(fs->super) - 1) / 376 EXT2_BLOCK_SIZE(fs->super)); 377 } else { 378 /* The kernel doesn't need to zero the itable blocks */ 379 fs->group_desc[i].bg_flags |= EXT2_BG_INODE_ZEROED; 380 ext2fs_group_desc_csum_set(fs, i); 381 } 382 retval = ext2fs_zero_blocks(fs, blk, num, &blk, &num); 383 if (retval) { 384 fprintf(stderr, _("\nCould not write %d " 385 "blocks in inode table starting at %u: %s\n"), 386 num, blk, error_message(retval)); 387 exit(1); 388 } 389 if (sync_kludge) { 390 if (sync_kludge == 1) 391 sync(); 392 else if ((i % sync_kludge) == 0) 393 sync(); 394 } 395 } 396 ext2fs_zero_blocks(0, 0, 0, 0, 0); 397 progress_close(&progress); 398} 399 400static void create_root_dir(ext2_filsys fs) 401{ 402 errcode_t retval; 403 struct ext2_inode inode; 404 __u32 uid, gid; 405 406 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); 407 if (retval) { 408 com_err("ext2fs_mkdir", retval, _("while creating root dir")); 409 exit(1); 410 } 411 if (geteuid()) { 412 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); 413 if (retval) { 414 com_err("ext2fs_read_inode", retval, 415 _("while reading root inode")); 416 exit(1); 417 } 418 uid = getuid(); 419 inode.i_uid = uid; 420 ext2fs_set_i_uid_high(inode, uid >> 16); 421 if (uid) { 422 gid = getgid(); 423 inode.i_gid = gid; 424 ext2fs_set_i_gid_high(inode, gid >> 16); 425 } 426 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); 427 if (retval) { 428 com_err("ext2fs_write_inode", retval, 429 _("while setting root inode ownership")); 430 exit(1); 431 } 432 } 433} 434 435static void create_lost_and_found(ext2_filsys fs) 436{ 437 unsigned int lpf_size = 0; 438 errcode_t retval; 439 ext2_ino_t ino; 440 const char *name = "lost+found"; 441 int i; 442 443 fs->umask = 077; 444 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); 445 if (retval) { 446 com_err("ext2fs_mkdir", retval, 447 _("while creating /lost+found")); 448 exit(1); 449 } 450 451 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); 452 if (retval) { 453 com_err("ext2_lookup", retval, 454 _("while looking up /lost+found")); 455 exit(1); 456 } 457 458 for (i=1; i < EXT2_NDIR_BLOCKS; i++) { 459 /* Ensure that lost+found is at least 2 blocks, so we always 460 * test large empty blocks for big-block filesystems. */ 461 if ((lpf_size += fs->blocksize) >= 16*1024 && 462 lpf_size >= 2 * fs->blocksize) 463 break; 464 retval = ext2fs_expand_dir(fs, ino); 465 if (retval) { 466 com_err("ext2fs_expand_dir", retval, 467 _("while expanding /lost+found")); 468 exit(1); 469 } 470 } 471} 472 473static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) 474{ 475 errcode_t retval; 476 477 ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO); 478 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); 479 retval = ext2fs_update_bb_inode(fs, bb_list); 480 if (retval) { 481 com_err("ext2fs_update_bb_inode", retval, 482 _("while setting bad block inode")); 483 exit(1); 484 } 485 486} 487 488static void reserve_inodes(ext2_filsys fs) 489{ 490 ext2_ino_t i; 491 492 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) 493 ext2fs_inode_alloc_stats2(fs, i, +1, 0); 494 ext2fs_mark_ib_dirty(fs); 495} 496 497#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ 498#define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ 499#define BSD_LABEL_OFFSET 64 500 501static void zap_sector(ext2_filsys fs, int sect, int nsect) 502{ 503 char *buf; 504 int retval; 505 unsigned int *magic; 506 507 buf = malloc(512*nsect); 508 if (!buf) { 509 printf(_("Out of memory erasing sectors %d-%d\n"), 510 sect, sect + nsect - 1); 511 exit(1); 512 } 513 514 if (sect == 0) { 515 /* Check for a BSD disklabel, and don't erase it if so */ 516 retval = io_channel_read_blk(fs->io, 0, -512, buf); 517 if (retval) 518 fprintf(stderr, 519 _("Warning: could not read block 0: %s\n"), 520 error_message(retval)); 521 else { 522 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); 523 if ((*magic == BSD_DISKMAGIC) || 524 (*magic == BSD_MAGICDISK)) 525 return; 526 } 527 } 528 529 memset(buf, 0, 512*nsect); 530 io_channel_set_blksize(fs->io, 512); 531 retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf); 532 io_channel_set_blksize(fs->io, fs->blocksize); 533 free(buf); 534 if (retval) 535 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), 536 sect, error_message(retval)); 537} 538 539static void create_journal_dev(ext2_filsys fs) 540{ 541 struct progress_struct progress; 542 errcode_t retval; 543 char *buf; 544 blk_t blk, err_blk; 545 int c, count, err_count; 546 547 retval = ext2fs_create_journal_superblock(fs, 548 fs->super->s_blocks_count, 0, &buf); 549 if (retval) { 550 com_err("create_journal_dev", retval, 551 _("while initializing journal superblock")); 552 exit(1); 553 } 554 if (quiet) 555 memset(&progress, 0, sizeof(progress)); 556 else 557 progress_init(&progress, _("Zeroing journal device: "), 558 fs->super->s_blocks_count); 559 560 blk = 0; 561 count = fs->super->s_blocks_count; 562 while (count > 0) { 563 if (count > 1024) 564 c = 1024; 565 else 566 c = count; 567 retval = ext2fs_zero_blocks(fs, blk, c, &err_blk, &err_count); 568 if (retval) { 569 com_err("create_journal_dev", retval, 570 _("while zeroing journal device " 571 "(block %u, count %d)"), 572 err_blk, err_count); 573 exit(1); 574 } 575 blk += c; 576 count -= c; 577 progress_update(&progress, blk); 578 } 579 ext2fs_zero_blocks(0, 0, 0, 0, 0); 580 581 retval = io_channel_write_blk(fs->io, 582 fs->super->s_first_data_block+1, 583 1, buf); 584 if (retval) { 585 com_err("create_journal_dev", retval, 586 _("while writing journal superblock")); 587 exit(1); 588 } 589 progress_close(&progress); 590} 591 592static void show_stats(ext2_filsys fs) 593{ 594 struct ext2_super_block *s = fs->super; 595 char buf[80]; 596 char *os; 597 blk_t group_block; 598 dgrp_t i; 599 int need, col_left; 600 601 if (fs_param.s_blocks_count != s->s_blocks_count) 602 fprintf(stderr, _("warning: %u blocks unused.\n\n"), 603 fs_param.s_blocks_count - s->s_blocks_count); 604 605 memset(buf, 0, sizeof(buf)); 606 strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); 607 printf(_("Filesystem label=%s\n"), buf); 608 fputs(_("OS type: "), stdout); 609 os = e2p_os2string(fs->super->s_creator_os); 610 fputs(os, stdout); 611 free(os); 612 printf("\n"); 613 printf(_("Block size=%u (log=%u)\n"), fs->blocksize, 614 s->s_log_block_size); 615 printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize, 616 s->s_log_frag_size); 617 printf(_("%u inodes, %u blocks\n"), s->s_inodes_count, 618 s->s_blocks_count); 619 printf(_("%u blocks (%2.2f%%) reserved for the super user\n"), 620 s->s_r_blocks_count, 621 100.0 * s->s_r_blocks_count / s->s_blocks_count); 622 printf(_("First data block=%u\n"), s->s_first_data_block); 623 if (s->s_reserved_gdt_blocks) 624 printf(_("Maximum filesystem blocks=%lu\n"), 625 (s->s_reserved_gdt_blocks + fs->desc_blocks) * 626 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); 627 if (fs->group_desc_count > 1) 628 printf(_("%u block groups\n"), fs->group_desc_count); 629 else 630 printf(_("%u block group\n"), fs->group_desc_count); 631 printf(_("%u blocks per group, %u fragments per group\n"), 632 s->s_blocks_per_group, s->s_frags_per_group); 633 printf(_("%u inodes per group\n"), s->s_inodes_per_group); 634 635 if (fs->group_desc_count == 1) { 636 printf("\n"); 637 return; 638 } 639 640 printf(_("Superblock backups stored on blocks: ")); 641 group_block = s->s_first_data_block; 642 col_left = 0; 643 for (i = 1; i < fs->group_desc_count; i++) { 644 group_block += s->s_blocks_per_group; 645 if (!ext2fs_bg_has_super(fs, i)) 646 continue; 647 if (i != 1) 648 printf(", "); 649 need = int_log10(group_block) + 2; 650 if (need > col_left) { 651 printf("\n\t"); 652 col_left = 72; 653 } 654 col_left -= need; 655 printf("%u", group_block); 656 } 657 printf("\n\n"); 658} 659 660/* 661 * Set the S_CREATOR_OS field. Return true if OS is known, 662 * otherwise, 0. 663 */ 664static int set_os(struct ext2_super_block *sb, char *os) 665{ 666 if (isdigit (*os)) 667 sb->s_creator_os = atoi (os); 668 else if (strcasecmp(os, "linux") == 0) 669 sb->s_creator_os = EXT2_OS_LINUX; 670 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) 671 sb->s_creator_os = EXT2_OS_HURD; 672 else if (strcasecmp(os, "freebsd") == 0) 673 sb->s_creator_os = EXT2_OS_FREEBSD; 674 else if (strcasecmp(os, "lites") == 0) 675 sb->s_creator_os = EXT2_OS_LITES; 676 else 677 return 0; 678 return 1; 679} 680 681#define PATH_SET "PATH=/sbin" 682 683static void parse_extended_opts(struct ext2_super_block *param, 684 const char *opts) 685{ 686 char *buf, *token, *next, *p, *arg, *badopt = 0; 687 int len; 688 int r_usage = 0; 689 690 len = strlen(opts); 691 buf = malloc(len+1); 692 if (!buf) { 693 fprintf(stderr, 694 _("Couldn't allocate memory to parse options!\n")); 695 exit(1); 696 } 697 strcpy(buf, opts); 698 for (token = buf; token && *token; token = next) { 699 p = strchr(token, ','); 700 next = 0; 701 if (p) { 702 *p = 0; 703 next = p+1; 704 } 705 arg = strchr(token, '='); 706 if (arg) { 707 *arg = 0; 708 arg++; 709 } 710 if (strcmp(token, "stride") == 0) { 711 if (!arg) { 712 r_usage++; 713 badopt = token; 714 continue; 715 } 716 param->s_raid_stride = strtoul(arg, &p, 0); 717 if (*p || (param->s_raid_stride == 0)) { 718 fprintf(stderr, 719 _("Invalid stride parameter: %s\n"), 720 arg); 721 r_usage++; 722 continue; 723 } 724 } else if (strcmp(token, "stripe-width") == 0 || 725 strcmp(token, "stripe_width") == 0) { 726 if (!arg) { 727 r_usage++; 728 badopt = token; 729 continue; 730 } 731 param->s_raid_stripe_width = strtoul(arg, &p, 0); 732 if (*p || (param->s_raid_stripe_width == 0)) { 733 fprintf(stderr, 734 _("Invalid stripe-width parameter: %s\n"), 735 arg); 736 r_usage++; 737 continue; 738 } 739 } else if (!strcmp(token, "resize")) { 740 unsigned long resize, bpg, rsv_groups; 741 unsigned long group_desc_count, desc_blocks; 742 unsigned int gdpb, blocksize; 743 int rsv_gdb; 744 745 if (!arg) { 746 r_usage++; 747 badopt = token; 748 continue; 749 } 750 751 resize = parse_num_blocks(arg, 752 param->s_log_block_size); 753 754 if (resize == 0) { 755 fprintf(stderr, 756 _("Invalid resize parameter: %s\n"), 757 arg); 758 r_usage++; 759 continue; 760 } 761 if (resize <= param->s_blocks_count) { 762 fprintf(stderr, 763 _("The resize maximum must be greater " 764 "than the filesystem size.\n")); 765 r_usage++; 766 continue; 767 } 768 769 blocksize = EXT2_BLOCK_SIZE(param); 770 bpg = param->s_blocks_per_group; 771 if (!bpg) 772 bpg = blocksize * 8; 773 gdpb = EXT2_DESC_PER_BLOCK(param); 774 group_desc_count = 775 ext2fs_div_ceil(param->s_blocks_count, bpg); 776 desc_blocks = (group_desc_count + 777 gdpb - 1) / gdpb; 778 rsv_groups = ext2fs_div_ceil(resize, bpg); 779 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - 780 desc_blocks; 781 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) 782 rsv_gdb = EXT2_ADDR_PER_BLOCK(param); 783 784 if (rsv_gdb > 0) { 785 if (param->s_rev_level == EXT2_GOOD_OLD_REV) { 786 fprintf(stderr, 787 _("On-line resizing not supported with revision 0 filesystems\n")); 788 free(buf); 789 exit(1); 790 } 791 param->s_feature_compat |= 792 EXT2_FEATURE_COMPAT_RESIZE_INODE; 793 794 param->s_reserved_gdt_blocks = rsv_gdb; 795 } 796 } else if (!strcmp(token, "test_fs")) { 797 param->s_flags |= EXT2_FLAGS_TEST_FILESYS; 798 } else if (!strcmp(token, "lazy_itable_init")) { 799 if (arg) 800 lazy_itable_init = strtoul(arg, &p, 0); 801 else 802 lazy_itable_init = 1; 803 } else { 804 r_usage++; 805 badopt = token; 806 } 807 } 808 if (r_usage) { 809 fprintf(stderr, _("\nBad option(s) specified: %s\n\n" 810 "Extended options are separated by commas, " 811 "and may take an argument which\n" 812 "\tis set off by an equals ('=') sign.\n\n" 813 "Valid extended options are:\n" 814 "\tstride=<RAID per-disk data chunk in blocks>\n" 815 "\tstripe-width=<RAID stride * data disks in blocks>\n" 816 "\tresize=<resize maximum size in blocks>\n" 817 "\tlazy_itable_init=<0 to disable, 1 to enable>\n" 818 "\ttest_fs\n\n"), 819 badopt ? badopt : ""); 820 free(buf); 821 exit(1); 822 } 823 if (param->s_raid_stride && 824 (param->s_raid_stripe_width % param->s_raid_stride) != 0) 825 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " 826 "multiple of stride %u.\n\n"), 827 param->s_raid_stripe_width, param->s_raid_stride); 828 829 free(buf); 830} 831 832static __u32 ok_features[3] = { 833 /* Compat */ 834 EXT3_FEATURE_COMPAT_HAS_JOURNAL | 835 EXT2_FEATURE_COMPAT_RESIZE_INODE | 836 EXT2_FEATURE_COMPAT_DIR_INDEX | 837 EXT2_FEATURE_COMPAT_EXT_ATTR, 838 /* Incompat */ 839 EXT2_FEATURE_INCOMPAT_FILETYPE| 840 EXT3_FEATURE_INCOMPAT_EXTENTS| 841 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| 842 EXT2_FEATURE_INCOMPAT_META_BG| 843 EXT4_FEATURE_INCOMPAT_FLEX_BG, 844 /* R/O compat */ 845 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| 846 EXT4_FEATURE_RO_COMPAT_HUGE_FILE| 847 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 848 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| 849 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| 850 EXT4_FEATURE_RO_COMPAT_GDT_CSUM 851}; 852 853 854static void syntax_err_report(const char *filename, long err, int line_num) 855{ 856 fprintf(stderr, 857 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), 858 filename, line_num, error_message(err)); 859 exit(1); 860} 861 862static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; 863 864static void edit_feature(const char *str, __u32 *compat_array) 865{ 866 if (!str) 867 return; 868 869 if (e2p_edit_feature(str, compat_array, ok_features)) { 870 fprintf(stderr, _("Invalid filesystem option set: %s\n"), 871 str); 872 exit(1); 873 } 874} 875 876struct str_list { 877 char **list; 878 int num; 879 int max; 880}; 881 882static errcode_t init_list(struct str_list *sl) 883{ 884 sl->num = 0; 885 sl->max = 0; 886 sl->list = malloc((sl->max+1) * sizeof(char *)); 887 if (!sl->list) 888 return ENOMEM; 889 sl->list[0] = 0; 890 return 0; 891} 892 893static errcode_t push_string(struct str_list *sl, const char *str) 894{ 895 char **new_list; 896 897 if (sl->num >= sl->max) { 898 sl->max += 2; 899 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); 900 if (!new_list) 901 return ENOMEM; 902 sl->list = new_list; 903 } 904 sl->list[sl->num] = malloc(strlen(str)+1); 905 if (sl->list[sl->num] == 0) 906 return ENOMEM; 907 strcpy(sl->list[sl->num], str); 908 sl->num++; 909 sl->list[sl->num] = 0; 910 return 0; 911} 912 913static void print_str_list(char **list) 914{ 915 char **cpp; 916 917 for (cpp = list; *cpp; cpp++) { 918 printf("'%s'", *cpp); 919 if (cpp[1]) 920 fputs(", ", stdout); 921 } 922 fputc('\n', stdout); 923} 924 925static char **parse_fs_type(const char *fs_type, 926 const char *usage_types, 927 struct ext2_super_block *fs_param, 928 char *progname) 929{ 930 const char *ext_type = 0; 931 char *parse_str; 932 char *profile_type = 0; 933 char *cp, *t; 934 const char *size_type; 935 struct str_list list; 936 unsigned long meg; 937 int is_hurd = 0; 938 939 if (init_list(&list)) 940 return 0; 941 942 if (creator_os && (!strcasecmp(creator_os, "GNU") || 943 !strcasecmp(creator_os, "hurd"))) 944 is_hurd = 1; 945 946 if (fs_type) 947 ext_type = fs_type; 948 else if (is_hurd) 949 ext_type = "ext2"; 950 else if (!strcmp(program_name, "mke3fs")) 951 ext_type = "ext3"; 952 else if (progname) { 953 ext_type = strrchr(progname, '/'); 954 if (ext_type) 955 ext_type++; 956 else 957 ext_type = progname; 958 959 if (!strncmp(ext_type, "mkfs.", 5)) { 960 ext_type += 5; 961 if (ext_type[0] == 0) 962 ext_type = 0; 963 } else 964 ext_type = 0; 965 } 966 967 if (!ext_type) { 968 profile_get_string(profile, "defaults", "fs_type", 0, 969 "ext2", &profile_type); 970 ext_type = profile_type; 971 if (!strcmp(ext_type, "ext2") && (journal_size != 0)) 972 ext_type = "ext3"; 973 } 974 975 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") || 976 !strcmp(ext_type, "ext4dev")) { 977 profile_get_string(profile, "fs_types", ext_type, "features", 978 0, &t); 979 if (!t) { 980 printf(_("\nWarning! Your mke2fs.conf file does " 981 "not define the %s filesystem type.\n"), 982 ext_type); 983 printf(_("You probably need to install an updated " 984 "mke2fs.conf file.\n\n")); 985 sleep(5); 986 } 987 } 988 989 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param); 990 if (fs_param->s_blocks_count < 3 * meg) 991 size_type = "floppy"; 992 else if (fs_param->s_blocks_count < 512 * meg) 993 size_type = "small"; 994 else 995 size_type = "default"; 996 997 if (!usage_types) 998 usage_types = size_type; 999 1000 parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1); 1001 if (!parse_str) { 1002 free(list.list); 1003 return 0; 1004 } 1005 if (usage_types) 1006 strcpy(parse_str, usage_types); 1007 else 1008 *parse_str = '\0'; 1009 1010 if (ext_type) 1011 push_string(&list, ext_type); 1012 cp = parse_str; 1013 while (1) { 1014 t = strchr(cp, ','); 1015 if (t) 1016 *t = '\0'; 1017 1018 if (*cp) 1019 push_string(&list, cp); 1020 if (t) 1021 cp = t+1; 1022 else { 1023 cp = ""; 1024 break; 1025 } 1026 } 1027 free(parse_str); 1028 free(profile_type); 1029 if (is_hurd) 1030 push_string(&list, "hurd"); 1031 return (list.list); 1032} 1033 1034static char *get_string_from_profile(char **fs_types, const char *opt, 1035 const char *def_val) 1036{ 1037 char *ret = 0; 1038 int i; 1039 1040 for (i=0; fs_types[i]; i++); 1041 for (i-=1; i >=0 ; i--) { 1042 profile_get_string(profile, "fs_types", fs_types[i], 1043 opt, 0, &ret); 1044 if (ret) 1045 return ret; 1046 } 1047 profile_get_string(profile, "defaults", opt, 0, def_val, &ret); 1048 return (ret); 1049} 1050 1051static int get_int_from_profile(char **fs_types, const char *opt, int def_val) 1052{ 1053 int ret; 1054 char **cpp; 1055 1056 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); 1057 for (cpp = fs_types; *cpp; cpp++) 1058 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); 1059 return ret; 1060} 1061 1062static int get_bool_from_profile(char **fs_types, const char *opt, int def_val) 1063{ 1064 int ret; 1065 char **cpp; 1066 1067 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); 1068 for (cpp = fs_types; *cpp; cpp++) 1069 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); 1070 return ret; 1071} 1072 1073extern const char *mke2fs_default_profile; 1074static const char *default_files[] = { "<default>", 0 }; 1075 1076static void PRS(int argc, char *argv[]) 1077{ 1078 int b, c; 1079 int size; 1080 char *tmp, **cpp; 1081 int blocksize = 0; 1082 int inode_ratio = 0; 1083 int inode_size = 0; 1084 unsigned long flex_bg_size = 0; 1085 double reserved_ratio = 5.0; 1086 int sector_size = 0; 1087 int show_version_only = 0; 1088 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ 1089 errcode_t retval; 1090 char * oldpath = getenv("PATH"); 1091 char * extended_opts = 0; 1092 const char * fs_type = 0; 1093 const char * usage_types = 0; 1094 blk_t dev_size; 1095#ifdef __linux__ 1096 struct utsname ut; 1097#endif 1098 long sysval; 1099 int s_opt = -1, r_opt = -1; 1100 char *fs_features = 0; 1101 int use_bsize; 1102 char *newpath; 1103 int pathlen = sizeof(PATH_SET) + 1; 1104 1105 if (oldpath) 1106 pathlen += strlen(oldpath); 1107 newpath = malloc(pathlen); 1108 strcpy(newpath, PATH_SET); 1109 1110 /* Update our PATH to include /sbin */ 1111 if (oldpath) { 1112 strcat (newpath, ":"); 1113 strcat (newpath, oldpath); 1114 } 1115 putenv (newpath); 1116 1117 tmp = getenv("MKE2FS_SYNC"); 1118 if (tmp) 1119 sync_kludge = atoi(tmp); 1120 1121 /* Determine the system page size if possible */ 1122#ifdef HAVE_SYSCONF 1123#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) 1124#define _SC_PAGESIZE _SC_PAGE_SIZE 1125#endif 1126#ifdef _SC_PAGESIZE 1127 sysval = sysconf(_SC_PAGESIZE); 1128 if (sysval > 0) 1129 sys_page_size = sysval; 1130#endif /* _SC_PAGESIZE */ 1131#endif /* HAVE_SYSCONF */ 1132 1133 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) 1134 config_fn[0] = tmp; 1135 profile_set_syntax_err_cb(syntax_err_report); 1136 retval = profile_init(config_fn, &profile); 1137 if (retval == ENOENT) { 1138 profile_init(default_files, &profile); 1139 profile_set_default(profile, mke2fs_default_profile); 1140 } 1141 1142 setbuf(stdout, NULL); 1143 setbuf(stderr, NULL); 1144 add_error_table(&et_ext2_error_table); 1145 add_error_table(&et_prof_error_table); 1146 memset(&fs_param, 0, sizeof(struct ext2_super_block)); 1147 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ 1148 1149#ifdef __linux__ 1150 if (uname(&ut)) { 1151 perror("uname"); 1152 exit(1); 1153 } 1154 linux_version_code = parse_version_number(ut.release); 1155 if (linux_version_code && linux_version_code < (2*65536 + 2*256)) 1156 fs_param.s_rev_level = 0; 1157#endif 1158 1159 if (argc && *argv) { 1160 program_name = get_progname(*argv); 1161 1162 /* If called as mkfs.ext3, create a journal inode */ 1163 if (!strcmp(program_name, "mkfs.ext3") || 1164 !strcmp(program_name, "mke3fs")) 1165 journal_size = -1; 1166 } 1167 1168 while ((c = getopt (argc, argv, 1169 "b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:L:M:N:O:R:ST:U:V")) != EOF) { 1170 switch (c) { 1171 case 'b': 1172 blocksize = strtol(optarg, &tmp, 0); 1173 b = (blocksize > 0) ? blocksize : -blocksize; 1174 if (b < EXT2_MIN_BLOCK_SIZE || 1175 b > EXT2_MAX_BLOCK_SIZE || *tmp) { 1176 com_err(program_name, 0, 1177 _("invalid block size - %s"), optarg); 1178 exit(1); 1179 } 1180 if (blocksize > 4096) 1181 fprintf(stderr, _("Warning: blocksize %d not " 1182 "usable on most systems.\n"), 1183 blocksize); 1184 if (blocksize > 0) 1185 fs_param.s_log_block_size = 1186 int_log2(blocksize >> 1187 EXT2_MIN_BLOCK_LOG_SIZE); 1188 break; 1189 case 'c': /* Check for bad blocks */ 1190 cflag++; 1191 break; 1192 case 'f': 1193 size = strtoul(optarg, &tmp, 0); 1194 if (size < EXT2_MIN_BLOCK_SIZE || 1195 size > EXT2_MAX_BLOCK_SIZE || *tmp) { 1196 com_err(program_name, 0, 1197 _("invalid fragment size - %s"), 1198 optarg); 1199 exit(1); 1200 } 1201 fs_param.s_log_frag_size = 1202 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); 1203 fprintf(stderr, _("Warning: fragments not supported. " 1204 "Ignoring -f option\n")); 1205 break; 1206 case 'g': 1207 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); 1208 if (*tmp) { 1209 com_err(program_name, 0, 1210 _("Illegal number for blocks per group")); 1211 exit(1); 1212 } 1213 if ((fs_param.s_blocks_per_group % 8) != 0) { 1214 com_err(program_name, 0, 1215 _("blocks per group must be multiple of 8")); 1216 exit(1); 1217 } 1218 break; 1219 case 'G': 1220 flex_bg_size = strtoul(optarg, &tmp, 0); 1221 if (*tmp) { 1222 com_err(program_name, 0, 1223 _("Illegal number for flex_bg size")); 1224 exit(1); 1225 } 1226 if (flex_bg_size < 2 || 1227 (flex_bg_size & (flex_bg_size-1)) != 0) { 1228 com_err(program_name, 0, 1229 _("flex_bg size must be a power of 2")); 1230 exit(1); 1231 } 1232 break; 1233 case 'i': 1234 inode_ratio = strtoul(optarg, &tmp, 0); 1235 if (inode_ratio < EXT2_MIN_BLOCK_SIZE || 1236 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || 1237 *tmp) { 1238 com_err(program_name, 0, 1239 _("invalid inode ratio %s (min %d/max %d)"), 1240 optarg, EXT2_MIN_BLOCK_SIZE, 1241 EXT2_MAX_BLOCK_SIZE); 1242 exit(1); 1243 } 1244 break; 1245 case 'J': 1246 parse_journal_opts(optarg); 1247 break; 1248 case 'j': 1249 if (!journal_size) 1250 journal_size = -1; 1251 break; 1252 case 'l': 1253 bad_blocks_filename = malloc(strlen(optarg)+1); 1254 if (!bad_blocks_filename) { 1255 com_err(program_name, ENOMEM, 1256 _("in malloc for bad_blocks_filename")); 1257 exit(1); 1258 } 1259 strcpy(bad_blocks_filename, optarg); 1260 break; 1261 case 'm': 1262 reserved_ratio = strtod(optarg, &tmp); 1263 if ( *tmp || reserved_ratio > 50 || 1264 reserved_ratio < 0) { 1265 com_err(program_name, 0, 1266 _("invalid reserved blocks percent - %s"), 1267 optarg); 1268 exit(1); 1269 } 1270 break; 1271 case 'n': 1272 noaction++; 1273 break; 1274 case 'o': 1275 creator_os = optarg; 1276 break; 1277 case 'q': 1278 quiet = 1; 1279 break; 1280 case 'r': 1281 r_opt = strtoul(optarg, &tmp, 0); 1282 if (*tmp) { 1283 com_err(program_name, 0, 1284 _("bad revision level - %s"), optarg); 1285 exit(1); 1286 } 1287 fs_param.s_rev_level = r_opt; 1288 break; 1289 case 's': /* deprecated */ 1290 s_opt = atoi(optarg); 1291 break; 1292 case 'I': 1293 inode_size = strtoul(optarg, &tmp, 0); 1294 if (*tmp) { 1295 com_err(program_name, 0, 1296 _("invalid inode size - %s"), optarg); 1297 exit(1); 1298 } 1299 break; 1300 case 'v': 1301 verbose = 1; 1302 break; 1303 case 'F': 1304 force++; 1305 break; 1306 case 'L': 1307 volume_label = optarg; 1308 break; 1309 case 'M': 1310 mount_dir = optarg; 1311 break; 1312 case 'N': 1313 num_inodes = strtoul(optarg, &tmp, 0); 1314 if (*tmp) { 1315 com_err(program_name, 0, 1316 _("bad num inodes - %s"), optarg); 1317 exit(1); 1318 } 1319 break; 1320 case 'O': 1321 fs_features = optarg; 1322 break; 1323 case 'E': 1324 case 'R': 1325 extended_opts = optarg; 1326 break; 1327 case 'S': 1328 super_only = 1; 1329 break; 1330 case 't': 1331 fs_type = optarg; 1332 break; 1333 case 'T': 1334 usage_types = optarg; 1335 break; 1336 case 'U': 1337 fs_uuid = optarg; 1338 break; 1339 case 'V': 1340 /* Print version number and exit */ 1341 show_version_only++; 1342 break; 1343 default: 1344 usage(); 1345 } 1346 } 1347 if ((optind == argc) && !show_version_only) 1348 usage(); 1349 device_name = argv[optind++]; 1350 1351 if (!quiet || show_version_only) 1352 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, 1353 E2FSPROGS_DATE); 1354 1355 if (show_version_only) { 1356 fprintf(stderr, _("\tUsing %s\n"), 1357 error_message(EXT2_ET_BASE)); 1358 exit(0); 1359 } 1360 1361 /* 1362 * If there's no blocksize specified and there is a journal 1363 * device, use it to figure out the blocksize 1364 */ 1365 if (blocksize <= 0 && journal_device) { 1366 ext2_filsys jfs; 1367 io_manager io_ptr; 1368 1369#ifdef CONFIG_TESTIO_DEBUG 1370 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1371 io_ptr = test_io_manager; 1372 test_io_backing_manager = unix_io_manager; 1373 } else 1374#endif 1375 io_ptr = unix_io_manager; 1376 retval = ext2fs_open(journal_device, 1377 EXT2_FLAG_JOURNAL_DEV_OK, 0, 1378 0, io_ptr, &jfs); 1379 if (retval) { 1380 com_err(program_name, retval, 1381 _("while trying to open journal device %s\n"), 1382 journal_device); 1383 exit(1); 1384 } 1385 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { 1386 com_err(program_name, 0, 1387 _("Journal dev blocksize (%d) smaller than " 1388 "minimum blocksize %d\n"), jfs->blocksize, 1389 -blocksize); 1390 exit(1); 1391 } 1392 blocksize = jfs->blocksize; 1393 printf(_("Using journal device's blocksize: %d\n"), blocksize); 1394 fs_param.s_log_block_size = 1395 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1396 ext2fs_close(jfs); 1397 } 1398 1399 if (blocksize > sys_page_size) { 1400 if (!force) { 1401 com_err(program_name, 0, 1402 _("%d-byte blocks too big for system (max %d)"), 1403 blocksize, sys_page_size); 1404 proceed_question(); 1405 } 1406 fprintf(stderr, _("Warning: %d-byte blocks too big for system " 1407 "(max %d), forced to continue\n"), 1408 blocksize, sys_page_size); 1409 } 1410 if (optind < argc) { 1411 fs_param.s_blocks_count = parse_num_blocks(argv[optind++], 1412 fs_param.s_log_block_size); 1413 if (!fs_param.s_blocks_count) { 1414 com_err(program_name, 0, _("invalid blocks count - %s"), 1415 argv[optind - 1]); 1416 exit(1); 1417 } 1418 } 1419 if (optind < argc) 1420 usage(); 1421 1422 if (!force) 1423 check_plausibility(device_name); 1424 check_mount(device_name, force, _("filesystem")); 1425 1426 fs_param.s_log_frag_size = fs_param.s_log_block_size; 1427 1428 if (noaction && fs_param.s_blocks_count) { 1429 dev_size = fs_param.s_blocks_count; 1430 retval = 0; 1431 } else { 1432 retry: 1433 retval = ext2fs_get_device_size(device_name, 1434 EXT2_BLOCK_SIZE(&fs_param), 1435 &dev_size); 1436 if ((retval == EFBIG) && 1437 (blocksize == 0) && 1438 (fs_param.s_log_block_size == 0)) { 1439 fs_param.s_log_block_size = 2; 1440 blocksize = 4096; 1441 goto retry; 1442 } 1443 } 1444 1445 if (retval == EFBIG) { 1446 blk64_t big_dev_size; 1447 1448 if (blocksize < 4096) { 1449 fs_param.s_log_block_size = 2; 1450 blocksize = 4096; 1451 } 1452 retval = ext2fs_get_device_size2(device_name, 1453 EXT2_BLOCK_SIZE(&fs_param), &big_dev_size); 1454 if (retval) 1455 goto get_size_failure; 1456 if (big_dev_size == (1ULL << 32)) { 1457 dev_size = (blk_t) (big_dev_size - 1); 1458 goto got_size; 1459 } 1460 fprintf(stderr, _("%s: Size of device %s too big " 1461 "to be expressed in 32 bits\n\t" 1462 "using a blocksize of %d.\n"), 1463 program_name, device_name, EXT2_BLOCK_SIZE(&fs_param)); 1464 exit(1); 1465 } 1466get_size_failure: 1467 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { 1468 com_err(program_name, retval, 1469 _("while trying to determine filesystem size")); 1470 exit(1); 1471 } 1472got_size: 1473 if (!fs_param.s_blocks_count) { 1474 if (retval == EXT2_ET_UNIMPLEMENTED) { 1475 com_err(program_name, 0, 1476 _("Couldn't determine device size; you " 1477 "must specify\nthe size of the " 1478 "filesystem\n")); 1479 exit(1); 1480 } else { 1481 if (dev_size == 0) { 1482 com_err(program_name, 0, 1483 _("Device size reported to be zero. " 1484 "Invalid partition specified, or\n\t" 1485 "partition table wasn't reread " 1486 "after running fdisk, due to\n\t" 1487 "a modified partition being busy " 1488 "and in use. You may need to reboot\n\t" 1489 "to re-read your partition table.\n" 1490 )); 1491 exit(1); 1492 } 1493 fs_param.s_blocks_count = dev_size; 1494 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) 1495 fs_param.s_blocks_count &= ~((sys_page_size / 1496 EXT2_BLOCK_SIZE(&fs_param))-1); 1497 } 1498 1499 } else if (!force && (fs_param.s_blocks_count > dev_size)) { 1500 com_err(program_name, 0, 1501 _("Filesystem larger than apparent device size.")); 1502 proceed_question(); 1503 } 1504 1505 fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]); 1506 if (!fs_types) { 1507 fprintf(stderr, _("Failed to parse fs types list\n")); 1508 exit(1); 1509 } 1510 1511 /* Figure out what features should be enabled */ 1512 1513 tmp = NULL; 1514 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { 1515 tmp = get_string_from_profile(fs_types, "base_features", 1516 "sparse_super,filetype,resize_inode,dir_index"); 1517 edit_feature(tmp, &fs_param.s_feature_compat); 1518 free(tmp); 1519 1520 for (cpp = fs_types; *cpp; cpp++) { 1521 tmp = NULL; 1522 profile_get_string(profile, "fs_types", *cpp, 1523 "features", "", &tmp); 1524 if (tmp && *tmp) 1525 edit_feature(tmp, &fs_param.s_feature_compat); 1526 free(tmp); 1527 } 1528 tmp = get_string_from_profile(fs_types, "default_features", 1529 ""); 1530 } 1531 edit_feature(fs_features ? fs_features : tmp, 1532 &fs_param.s_feature_compat); 1533 free(tmp); 1534 1535 if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1536 fs_types[0] = strdup("journal"); 1537 fs_types[1] = 0; 1538 } 1539 1540 if (verbose) { 1541 fputs(_("fs_types for mke2fs.conf resolution: "), stdout); 1542 print_str_list(fs_types); 1543 } 1544 1545 if (r_opt == EXT2_GOOD_OLD_REV && 1546 (fs_param.s_feature_compat || fs_param.s_feature_incompat || 1547 fs_param.s_feature_ro_compat)) { 1548 fprintf(stderr, _("Filesystem features not supported " 1549 "with revision 0 filesystems\n")); 1550 exit(1); 1551 } 1552 1553 if (s_opt > 0) { 1554 if (r_opt == EXT2_GOOD_OLD_REV) { 1555 fprintf(stderr, _("Sparse superblocks not supported " 1556 "with revision 0 filesystems\n")); 1557 exit(1); 1558 } 1559 fs_param.s_feature_ro_compat |= 1560 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1561 } else if (s_opt == 0) 1562 fs_param.s_feature_ro_compat &= 1563 ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1564 1565 if (journal_size != 0) { 1566 if (r_opt == EXT2_GOOD_OLD_REV) { 1567 fprintf(stderr, _("Journals not supported " 1568 "with revision 0 filesystems\n")); 1569 exit(1); 1570 } 1571 fs_param.s_feature_compat |= 1572 EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1573 } 1574 1575 if (fs_param.s_feature_incompat & 1576 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1577 reserved_ratio = 0; 1578 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; 1579 fs_param.s_feature_compat = 0; 1580 fs_param.s_feature_ro_compat = 0; 1581 } 1582 1583 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1584 (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) { 1585 fprintf(stderr, _("The resize_inode and meta_bg features " 1586 "are not compatible.\n" 1587 "They can not be both enabled " 1588 "simultaneously.\n")); 1589 exit(1); 1590 } 1591 1592 /* Set first meta blockgroup via an environment variable */ 1593 /* (this is mostly for debugging purposes) */ 1594 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1595 ((tmp = getenv("MKE2FS_FIRST_META_BG")))) 1596 fs_param.s_first_meta_bg = atoi(tmp); 1597 1598 /* Get the hardware sector size, if available */ 1599 retval = ext2fs_get_device_sectsize(device_name, §or_size); 1600 if (retval) { 1601 com_err(program_name, retval, 1602 _("while trying to determine hardware sector size")); 1603 exit(1); 1604 } 1605 1606 if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL) 1607 sector_size = atoi(tmp); 1608 1609 if (blocksize <= 0) { 1610 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); 1611 1612 if (use_bsize == -1) { 1613 use_bsize = sys_page_size; 1614 if ((linux_version_code < (2*65536 + 6*256)) && 1615 (use_bsize > 4096)) 1616 use_bsize = 4096; 1617 } 1618 if (sector_size && use_bsize < sector_size) 1619 use_bsize = sector_size; 1620 if ((blocksize < 0) && (use_bsize < (-blocksize))) 1621 use_bsize = -blocksize; 1622 blocksize = use_bsize; 1623 fs_param.s_blocks_count /= blocksize / 1024; 1624 } 1625 1626 if (inode_ratio == 0) { 1627 inode_ratio = get_int_from_profile(fs_types, "inode_ratio", 1628 8192); 1629 if (inode_ratio < blocksize) 1630 inode_ratio = blocksize; 1631 } 1632 1633 fs_param.s_log_frag_size = fs_param.s_log_block_size = 1634 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1635 1636 blocksize = EXT2_BLOCK_SIZE(&fs_param); 1637 1638 lazy_itable_init = get_bool_from_profile(fs_types, 1639 "lazy_itable_init", 0); 1640 1641 /* Get options from profile */ 1642 for (cpp = fs_types; *cpp; cpp++) { 1643 tmp = NULL; 1644 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp); 1645 if (tmp && *tmp) 1646 parse_extended_opts(&fs_param, tmp); 1647 free(tmp); 1648 } 1649 1650 if (extended_opts) 1651 parse_extended_opts(&fs_param, extended_opts); 1652 1653 /* Since sparse_super is the default, we would only have a problem 1654 * here if it was explicitly disabled. 1655 */ 1656 if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && 1657 !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { 1658 com_err(program_name, 0, 1659 _("reserved online resize blocks not supported " 1660 "on non-sparse filesystem")); 1661 exit(1); 1662 } 1663 1664 if (fs_param.s_blocks_per_group) { 1665 if (fs_param.s_blocks_per_group < 256 || 1666 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { 1667 com_err(program_name, 0, 1668 _("blocks per group count out of range")); 1669 exit(1); 1670 } 1671 } 1672 1673 if (inode_size == 0) 1674 inode_size = get_int_from_profile(fs_types, "inode_size", 0); 1675 if (!flex_bg_size && (fs_param.s_feature_incompat & 1676 EXT4_FEATURE_INCOMPAT_FLEX_BG)) 1677 flex_bg_size = get_int_from_profile(fs_types, 1678 "flex_bg_size", 16); 1679 if (flex_bg_size) { 1680 if (!(fs_param.s_feature_incompat & 1681 EXT4_FEATURE_INCOMPAT_FLEX_BG)) { 1682 com_err(program_name, 0, 1683 _("Flex_bg feature not enabled, so " 1684 "flex_bg size may not be specified")); 1685 exit(1); 1686 } 1687 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size); 1688 } 1689 1690 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { 1691 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || 1692 inode_size > EXT2_BLOCK_SIZE(&fs_param) || 1693 inode_size & (inode_size - 1)) { 1694 com_err(program_name, 0, 1695 _("invalid inode size %d (min %d/max %d)"), 1696 inode_size, EXT2_GOOD_OLD_INODE_SIZE, 1697 blocksize); 1698 exit(1); 1699 } 1700 fs_param.s_inode_size = inode_size; 1701 } 1702 1703 /* Make sure number of inodes specified will fit in 32 bits */ 1704 if (num_inodes == 0) { 1705 unsigned long long n; 1706 n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio; 1707 if (n > ~0U) { 1708 com_err(program_name, 0, 1709 _("too many inodes (%llu), raise inode ratio?"), n); 1710 exit(1); 1711 } 1712 } else if (num_inodes > ~0U) { 1713 com_err(program_name, 0, 1714 _("too many inodes (%llu), specify < 2^32 inodes"), 1715 num_inodes); 1716 exit(1); 1717 } 1718 /* 1719 * Calculate number of inodes based on the inode ratio 1720 */ 1721 fs_param.s_inodes_count = num_inodes ? num_inodes : 1722 ((__u64) fs_param.s_blocks_count * blocksize) 1723 / inode_ratio; 1724 1725 if ((((long long)fs_param.s_inodes_count) * 1726 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= 1727 (((long long)fs_param.s_blocks_count) * 1728 EXT2_BLOCK_SIZE(&fs_param))) { 1729 com_err(program_name, 0, _("inode_size (%u) * inodes_count " 1730 "(%u) too big for a\n\t" 1731 "filesystem with %lu blocks, " 1732 "specify higher inode_ratio (-i)\n\t" 1733 "or lower inode count (-N).\n"), 1734 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, 1735 fs_param.s_inodes_count, 1736 (unsigned long) fs_param.s_blocks_count); 1737 exit(1); 1738 } 1739 1740 /* 1741 * Calculate number of blocks to reserve 1742 */ 1743 fs_param.s_r_blocks_count = (unsigned int) (reserved_ratio * 1744 fs_param.s_blocks_count / 100.0); 1745} 1746 1747static int should_do_undo(const char *name) 1748{ 1749 errcode_t retval; 1750 io_channel channel; 1751 __u16 s_magic; 1752 struct ext2_super_block super; 1753 io_manager manager = unix_io_manager; 1754 int csum_flag, force_undo; 1755 1756 csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 1757 EXT4_FEATURE_RO_COMPAT_GDT_CSUM); 1758 force_undo = get_int_from_profile(fs_types, "force_undo", 0); 1759 if (!force_undo && (!csum_flag || !lazy_itable_init)) 1760 return 0; 1761 1762 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel); 1763 if (retval) { 1764 /* 1765 * We don't handle error cases instead we 1766 * declare that the file system doesn't exist 1767 * and let the rest of mke2fs take care of 1768 * error 1769 */ 1770 retval = 0; 1771 goto open_err_out; 1772 } 1773 1774 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET); 1775 retval = io_channel_read_blk(channel, 1, -SUPERBLOCK_SIZE, &super); 1776 if (retval) { 1777 retval = 0; 1778 goto err_out; 1779 } 1780 1781#if defined(WORDS_BIGENDIAN) 1782 s_magic = ext2fs_swab16(super.s_magic); 1783#else 1784 s_magic = super.s_magic; 1785#endif 1786 1787 if (s_magic == EXT2_SUPER_MAGIC) 1788 retval = 1; 1789 1790err_out: 1791 io_channel_close(channel); 1792 1793open_err_out: 1794 1795 return retval; 1796} 1797 1798static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr) 1799{ 1800 errcode_t retval = 0; 1801 char *tdb_dir, *tdb_file; 1802 char *device_name, *tmp_name; 1803 1804 /* 1805 * Configuration via a conf file would be 1806 * nice 1807 */ 1808 tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); 1809 if (!tdb_dir) 1810 profile_get_string(profile, "defaults", 1811 "undo_dir", 0, "/var/lib/e2fsprogs", 1812 &tdb_dir); 1813 1814 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || 1815 access(tdb_dir, W_OK)) 1816 return 0; 1817 1818 tmp_name = strdup(name); 1819 if (!tmp_name) { 1820 alloc_fn_fail: 1821 com_err(program_name, ENOMEM, 1822 _("Couldn't allocate memory for tdb filename\n")); 1823 return ENOMEM; 1824 } 1825 device_name = basename(tmp_name); 1826 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(device_name) + 7 + 1); 1827 if (!tdb_file) 1828 goto alloc_fn_fail; 1829 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name); 1830 1831 if (!access(tdb_file, F_OK)) { 1832 if (unlink(tdb_file) < 0) { 1833 retval = errno; 1834 com_err(program_name, retval, 1835 _("while trying to delete %s"), 1836 tdb_file); 1837 free(tdb_file); 1838 return retval; 1839 } 1840 } 1841 1842 set_undo_io_backing_manager(*io_ptr); 1843 *io_ptr = undo_io_manager; 1844 set_undo_io_backup_file(tdb_file); 1845 printf(_("Overwriting existing filesystem; this can be undone " 1846 "using the command:\n" 1847 " e2undo %s %s\n\n"), tdb_file, name); 1848 1849 free(tdb_file); 1850 free(tmp_name); 1851 return retval; 1852} 1853 1854int main (int argc, char *argv[]) 1855{ 1856 errcode_t retval = 0; 1857 ext2_filsys fs; 1858 badblocks_list bb_list = 0; 1859 unsigned int journal_blocks; 1860 unsigned int i; 1861 int val, hash_alg; 1862 io_manager io_ptr; 1863 char tdb_string[40]; 1864 char *hash_alg_str; 1865 1866#ifdef ENABLE_NLS 1867 setlocale(LC_MESSAGES, ""); 1868 setlocale(LC_CTYPE, ""); 1869 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 1870 textdomain(NLS_CAT_NAME); 1871#endif 1872 PRS(argc, argv); 1873 1874#ifdef CONFIG_TESTIO_DEBUG 1875 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1876 io_ptr = test_io_manager; 1877 test_io_backing_manager = unix_io_manager; 1878 } else 1879#endif 1880 io_ptr = unix_io_manager; 1881 1882 if (should_do_undo(device_name)) { 1883 retval = mke2fs_setup_tdb(device_name, &io_ptr); 1884 if (retval) 1885 exit(1); 1886 } 1887 1888 /* 1889 * Initialize the superblock.... 1890 */ 1891 retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param, 1892 io_ptr, &fs); 1893 if (retval) { 1894 com_err(device_name, retval, _("while setting up superblock")); 1895 exit(1); 1896 } 1897 sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? 1898 32768 : fs->blocksize * 8); 1899 io_channel_set_options(fs->io, tdb_string); 1900 1901 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) 1902 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; 1903 1904 if ((fs_param.s_feature_incompat & 1905 (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) || 1906 (fs_param.s_feature_ro_compat & 1907 (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM| 1908 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 1909 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE))) 1910 fs->super->s_kbytes_written = 1; 1911 1912 /* 1913 * Wipe out the old on-disk superblock 1914 */ 1915 if (!noaction) 1916 zap_sector(fs, 2, 6); 1917 1918 /* 1919 * Parse or generate a UUID for the filesystem 1920 */ 1921 if (fs_uuid) { 1922 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) { 1923 com_err(device_name, 0, "could not parse UUID: %s\n", 1924 fs_uuid); 1925 exit(1); 1926 } 1927 } else 1928 uuid_generate(fs->super->s_uuid); 1929 1930 /* 1931 * Initialize the directory index variables 1932 */ 1933 hash_alg_str = get_string_from_profile(fs_types, "hash_alg", 1934 "half_md4"); 1935 hash_alg = e2p_string2hash(hash_alg_str); 1936 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg : 1937 EXT2_HASH_HALF_MD4; 1938 uuid_generate((unsigned char *) fs->super->s_hash_seed); 1939 1940 /* 1941 * Add "jitter" to the superblock's check interval so that we 1942 * don't check all the filesystems at the same time. We use a 1943 * kludgy hack of using the UUID to derive a random jitter value. 1944 */ 1945 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) 1946 val += fs->super->s_uuid[i]; 1947 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; 1948 1949 /* 1950 * Override the creator OS, if applicable 1951 */ 1952 if (creator_os && !set_os(fs->super, creator_os)) { 1953 com_err (program_name, 0, _("unknown os - %s"), creator_os); 1954 exit(1); 1955 } 1956 1957 /* 1958 * For the Hurd, we will turn off filetype since it doesn't 1959 * support it. 1960 */ 1961 if (fs->super->s_creator_os == EXT2_OS_HURD) 1962 fs->super->s_feature_incompat &= 1963 ~EXT2_FEATURE_INCOMPAT_FILETYPE; 1964 1965 /* 1966 * Set the volume label... 1967 */ 1968 if (volume_label) { 1969 memset(fs->super->s_volume_name, 0, 1970 sizeof(fs->super->s_volume_name)); 1971 strncpy(fs->super->s_volume_name, volume_label, 1972 sizeof(fs->super->s_volume_name)); 1973 } 1974 1975 /* 1976 * Set the last mount directory 1977 */ 1978 if (mount_dir) { 1979 memset(fs->super->s_last_mounted, 0, 1980 sizeof(fs->super->s_last_mounted)); 1981 strncpy(fs->super->s_last_mounted, mount_dir, 1982 sizeof(fs->super->s_last_mounted)); 1983 } 1984 1985 if (!quiet || noaction) 1986 show_stats(fs); 1987 1988 if (noaction) 1989 exit(0); 1990 1991 if (fs->super->s_feature_incompat & 1992 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1993 create_journal_dev(fs); 1994 exit(ext2fs_close(fs) ? 1 : 0); 1995 } 1996 1997 if (bad_blocks_filename) 1998 read_bb_file(fs, &bb_list, bad_blocks_filename); 1999 if (cflag) 2000 test_disk(fs, &bb_list); 2001 2002 handle_bad_blocks(fs, bb_list); 2003 fs->stride = fs_stride = fs->super->s_raid_stride; 2004 retval = ext2fs_allocate_tables(fs); 2005 if (retval) { 2006 com_err(program_name, retval, 2007 _("while trying to allocate filesystem tables")); 2008 exit(1); 2009 } 2010 if (super_only) { 2011 fs->super->s_state |= EXT2_ERROR_FS; 2012 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); 2013 } else { 2014 /* rsv must be a power of two (64kB is MD RAID sb alignment) */ 2015 unsigned int rsv = 65536 / fs->blocksize; 2016 unsigned long blocks = fs->super->s_blocks_count; 2017 unsigned long start; 2018 blk_t ret_blk; 2019 2020#ifdef ZAP_BOOTBLOCK 2021 zap_sector(fs, 0, 2); 2022#endif 2023 2024 /* 2025 * Wipe out any old MD RAID (or other) metadata at the end 2026 * of the device. This will also verify that the device is 2027 * as large as we think. Be careful with very small devices. 2028 */ 2029 start = (blocks & ~(rsv - 1)); 2030 if (start > rsv) 2031 start -= rsv; 2032 if (start > 0) 2033 retval = ext2fs_zero_blocks(fs, start, blocks - start, 2034 &ret_blk, NULL); 2035 2036 if (retval) { 2037 com_err(program_name, retval, 2038 _("while zeroing block %u at end of filesystem"), 2039 ret_blk); 2040 } 2041 write_inode_tables(fs, lazy_itable_init); 2042 create_root_dir(fs); 2043 create_lost_and_found(fs); 2044 reserve_inodes(fs); 2045 create_bad_block_inode(fs, bb_list); 2046 if (fs->super->s_feature_compat & 2047 EXT2_FEATURE_COMPAT_RESIZE_INODE) { 2048 retval = ext2fs_create_resize_inode(fs); 2049 if (retval) { 2050 com_err("ext2fs_create_resize_inode", retval, 2051 _("while reserving blocks for online resize")); 2052 exit(1); 2053 } 2054 } 2055 } 2056 2057 if (journal_device) { 2058 ext2_filsys jfs; 2059 2060 if (!force) 2061 check_plausibility(journal_device); 2062 check_mount(journal_device, force, _("journal")); 2063 2064 retval = ext2fs_open(journal_device, EXT2_FLAG_RW| 2065 EXT2_FLAG_JOURNAL_DEV_OK, 0, 2066 fs->blocksize, unix_io_manager, &jfs); 2067 if (retval) { 2068 com_err(program_name, retval, 2069 _("while trying to open journal device %s\n"), 2070 journal_device); 2071 exit(1); 2072 } 2073 if (!quiet) { 2074 printf(_("Adding journal to device %s: "), 2075 journal_device); 2076 fflush(stdout); 2077 } 2078 retval = ext2fs_add_journal_device(fs, jfs); 2079 if(retval) { 2080 com_err (program_name, retval, 2081 _("\n\twhile trying to add journal to device %s"), 2082 journal_device); 2083 exit(1); 2084 } 2085 if (!quiet) 2086 printf(_("done\n")); 2087 ext2fs_close(jfs); 2088 free(journal_device); 2089 } else if ((journal_size) || 2090 (fs_param.s_feature_compat & 2091 EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { 2092 journal_blocks = figure_journal_size(journal_size, fs); 2093 2094 if (super_only) { 2095 printf(_("Skipping journal creation in super-only mode\n")); 2096 fs->super->s_journal_inum = EXT2_JOURNAL_INO; 2097 goto no_journal; 2098 } 2099 2100 if (!journal_blocks) { 2101 fs->super->s_feature_compat &= 2102 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 2103 goto no_journal; 2104 } 2105 if (!quiet) { 2106 printf(_("Creating journal (%u blocks): "), 2107 journal_blocks); 2108 fflush(stdout); 2109 } 2110 retval = ext2fs_add_journal_inode(fs, journal_blocks, 2111 journal_flags); 2112 if (retval) { 2113 com_err (program_name, retval, 2114 _("\n\twhile trying to create journal")); 2115 exit(1); 2116 } 2117 if (!quiet) 2118 printf(_("done\n")); 2119 } 2120no_journal: 2121 2122 if (!quiet) 2123 printf(_("Writing superblocks and " 2124 "filesystem accounting information: ")); 2125 retval = ext2fs_flush(fs); 2126 if (retval) { 2127 fprintf(stderr, 2128 _("\nWarning, had trouble writing out superblocks.")); 2129 } 2130 if (!quiet) { 2131 printf(_("done\n\n")); 2132 if (!getenv("MKE2FS_SKIP_CHECK_MSG")) 2133 print_check_message(fs); 2134 } 2135 val = ext2fs_close(fs); 2136 remove_error_table(&et_ext2_error_table); 2137 remove_error_table(&et_prof_error_table); 2138 profile_release(profile); 2139 return (retval || val) ? 1 : 0; 2140} 2141