mke2fs.c revision 6493f8e85defc568a4ca8cdb4a53361f36fb94ba
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#include <blkid/blkid.h> 53 54#include "ext2fs/ext2_fs.h" 55#include "ext2fs/ext2fsP.h" 56#include "et/com_err.h" 57#include "uuid/uuid.h" 58#include "e2p/e2p.h" 59#include "ext2fs/ext2fs.h" 60#include "util.h" 61#include "profile.h" 62#include "prof_err.h" 63#include "../version.h" 64#include "nls-enable.h" 65 66#define STRIDE_LENGTH 8 67 68#ifndef __sparc__ 69#define ZAP_BOOTBLOCK 70#endif 71 72extern int isatty(int); 73extern FILE *fpopen(const char *cmd, const char *mode); 74 75const char * program_name = "mke2fs"; 76const char * device_name /* = NULL */; 77 78/* Command line options */ 79int cflag; 80int verbose; 81int quiet; 82int super_only; 83int force; 84int noaction; 85int journal_size; 86int journal_flags; 87int lazy_itable_init; 88char *bad_blocks_filename; 89__u32 fs_stride; 90 91struct ext2_super_block fs_param; 92char *fs_uuid = NULL; 93char *creator_os; 94char *volume_label; 95char *mount_dir; 96char *journal_device; 97int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ 98char **fs_types; 99 100profile_t profile; 101 102int sys_page_size = 4096; 103int linux_version_code = 0; 104 105static void usage(void) 106{ 107 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " 108 "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] " 109 "[-J journal-options]\n" 110 "\t[-G meta group size] [-N number-of-inodes]\n" 111 "\t[-m reserved-blocks-percentage] [-o creator-os]\n" 112 "\t[-g blocks-per-group] [-L volume-label] " 113 "[-M last-mounted-directory]\n\t[-O feature[,...]] " 114 "[-r fs-revision] [-E extended-option[,...]]\n" 115 "\t[-T fs-type] [-U UUID] [-jnqvFSV] device [blocks-count]\n"), 116 program_name); 117 exit(1); 118} 119 120static int int_log2(int arg) 121{ 122 int l = 0; 123 124 arg >>= 1; 125 while (arg) { 126 l++; 127 arg >>= 1; 128 } 129 return l; 130} 131 132static int int_log10(unsigned int arg) 133{ 134 int l; 135 136 for (l=0; arg ; l++) 137 arg = arg / 10; 138 return l; 139} 140 141static int parse_version_number(const char *s) 142{ 143 int major, minor, rev; 144 char *endptr; 145 const char *cp = s; 146 147 if (!s) 148 return 0; 149 major = strtol(cp, &endptr, 10); 150 if (cp == endptr || *endptr != '.') 151 return 0; 152 cp = endptr + 1; 153 minor = strtol(cp, &endptr, 10); 154 if (cp == endptr || *endptr != '.') 155 return 0; 156 cp = endptr + 1; 157 rev = strtol(cp, &endptr, 10); 158 if (cp == endptr) 159 return 0; 160 return ((((major * 256) + minor) * 256) + rev); 161} 162 163/* 164 * Helper function for read_bb_file and test_disk 165 */ 166static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) 167{ 168 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); 169 return; 170} 171 172/* 173 * Reads the bad blocks list from a file 174 */ 175static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, 176 const char *bad_blocks_file) 177{ 178 FILE *f; 179 errcode_t retval; 180 181 f = fopen(bad_blocks_file, "r"); 182 if (!f) { 183 com_err("read_bad_blocks_file", errno, 184 _("while trying to open %s"), bad_blocks_file); 185 exit(1); 186 } 187 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 188 fclose (f); 189 if (retval) { 190 com_err("ext2fs_read_bb_FILE", retval, 191 _("while reading in list of bad blocks from file")); 192 exit(1); 193 } 194} 195 196/* 197 * Runs the badblocks program to test the disk 198 */ 199static void test_disk(ext2_filsys fs, badblocks_list *bb_list) 200{ 201 FILE *f; 202 errcode_t retval; 203 char buf[1024]; 204 205 sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize, 206 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", 207 fs->device_name, ext2fs_blocks_count(fs->super)-1); 208 if (verbose) 209 printf(_("Running command: %s\n"), buf); 210 f = popen(buf, "r"); 211 if (!f) { 212 com_err("popen", errno, 213 _("while trying to run '%s'"), buf); 214 exit(1); 215 } 216 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 217 pclose(f); 218 if (retval) { 219 com_err("ext2fs_read_bb_FILE", retval, 220 _("while processing list of bad blocks from program")); 221 exit(1); 222 } 223} 224 225static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) 226{ 227 dgrp_t i; 228 blk_t j; 229 unsigned must_be_good; 230 blk_t blk; 231 badblocks_iterate bb_iter; 232 errcode_t retval; 233 blk_t group_block; 234 int group; 235 int group_bad; 236 237 if (!bb_list) 238 return; 239 240 /* 241 * The primary superblock and group descriptors *must* be 242 * good; if not, abort. 243 */ 244 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; 245 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { 246 if (ext2fs_badblocks_list_test(bb_list, i)) { 247 fprintf(stderr, _("Block %d in primary " 248 "superblock/group descriptor area bad.\n"), i); 249 fprintf(stderr, _("Blocks %u through %u must be good " 250 "in order to build a filesystem.\n"), 251 fs->super->s_first_data_block, must_be_good); 252 fputs(_("Aborting....\n"), stderr); 253 exit(1); 254 } 255 } 256 257 /* 258 * See if any of the bad blocks are showing up in the backup 259 * superblocks and/or group descriptors. If so, issue a 260 * warning and adjust the block counts appropriately. 261 */ 262 group_block = fs->super->s_first_data_block + 263 fs->super->s_blocks_per_group; 264 265 for (i = 1; i < fs->group_desc_count; i++) { 266 group_bad = 0; 267 for (j=0; j < fs->desc_blocks+1; j++) { 268 if (ext2fs_badblocks_list_test(bb_list, 269 group_block + j)) { 270 if (!group_bad) 271 fprintf(stderr, 272_("Warning: the backup superblock/group descriptors at block %u contain\n" 273" bad blocks.\n\n"), 274 group_block); 275 group_bad++; 276 group = ext2fs_group_of_blk2(fs, group_block+j); 277 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1); 278 ext2fs_group_desc_csum_set(fs, group); 279 ext2fs_free_blocks_count_add(fs->super, 1); 280 } 281 } 282 group_block += fs->super->s_blocks_per_group; 283 } 284 285 /* 286 * Mark all the bad blocks as used... 287 */ 288 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); 289 if (retval) { 290 com_err("ext2fs_badblocks_list_iterate_begin", retval, 291 _("while marking bad blocks as used")); 292 exit(1); 293 } 294 while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) 295 ext2fs_mark_block_bitmap2(fs->block_map, blk); 296 ext2fs_badblocks_list_iterate_end(bb_iter); 297} 298 299static void write_inode_tables(ext2_filsys fs, int lazy_flag) 300{ 301 errcode_t retval; 302 blk_t blk; 303 dgrp_t i; 304 int num, ipb; 305 struct ext2fs_numeric_progress_struct progress; 306 307 ext2fs_numeric_progress_init(fs, &progress, 308 _("Writing inode tables: "), 309 fs->group_desc_count); 310 311 for (i = 0; i < fs->group_desc_count; i++) { 312 ext2fs_numeric_progress_update(fs, &progress, i); 313 314 blk = ext2fs_inode_table_loc(fs, i); 315 num = fs->inode_blocks_per_group; 316 317 if (lazy_flag) { 318 ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super); 319 num = ((((fs->super->s_inodes_per_group - 320 ext2fs_bg_itable_unused(fs, i)) * 321 EXT2_INODE_SIZE(fs->super)) + 322 EXT2_BLOCK_SIZE(fs->super) - 1) / 323 EXT2_BLOCK_SIZE(fs->super)); 324 } else { 325 /* The kernel doesn't need to zero the itable blocks */ 326 ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED); 327 ext2fs_group_desc_csum_set(fs, i); 328 } 329 retval = ext2fs_zero_blocks(fs, blk, num, &blk, &num); 330 if (retval) { 331 fprintf(stderr, _("\nCould not write %d " 332 "blocks in inode table starting at %u: %s\n"), 333 num, blk, error_message(retval)); 334 exit(1); 335 } 336 if (sync_kludge) { 337 if (sync_kludge == 1) 338 sync(); 339 else if ((i % sync_kludge) == 0) 340 sync(); 341 } 342 } 343 ext2fs_zero_blocks(0, 0, 0, 0, 0); 344 ext2fs_numeric_progress_close(fs, &progress, 345 _("done \n")); 346} 347 348static void create_root_dir(ext2_filsys fs) 349{ 350 errcode_t retval; 351 struct ext2_inode inode; 352 __u32 uid, gid; 353 354 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); 355 if (retval) { 356 com_err("ext2fs_mkdir", retval, _("while creating root dir")); 357 exit(1); 358 } 359 if (geteuid()) { 360 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); 361 if (retval) { 362 com_err("ext2fs_read_inode", retval, 363 _("while reading root inode")); 364 exit(1); 365 } 366 uid = getuid(); 367 inode.i_uid = uid; 368 ext2fs_set_i_uid_high(inode, uid >> 16); 369 if (uid) { 370 gid = getgid(); 371 inode.i_gid = gid; 372 ext2fs_set_i_gid_high(inode, gid >> 16); 373 } 374 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); 375 if (retval) { 376 com_err("ext2fs_write_inode", retval, 377 _("while setting root inode ownership")); 378 exit(1); 379 } 380 } 381} 382 383static void create_lost_and_found(ext2_filsys fs) 384{ 385 unsigned int lpf_size = 0; 386 errcode_t retval; 387 ext2_ino_t ino; 388 const char *name = "lost+found"; 389 int i; 390 391 fs->umask = 077; 392 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); 393 if (retval) { 394 com_err("ext2fs_mkdir", retval, 395 _("while creating /lost+found")); 396 exit(1); 397 } 398 399 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); 400 if (retval) { 401 com_err("ext2_lookup", retval, 402 _("while looking up /lost+found")); 403 exit(1); 404 } 405 406 for (i=1; i < EXT2_NDIR_BLOCKS; i++) { 407 /* Ensure that lost+found is at least 2 blocks, so we always 408 * test large empty blocks for big-block filesystems. */ 409 if ((lpf_size += fs->blocksize) >= 16*1024 && 410 lpf_size >= 2 * fs->blocksize) 411 break; 412 retval = ext2fs_expand_dir(fs, ino); 413 if (retval) { 414 com_err("ext2fs_expand_dir", retval, 415 _("while expanding /lost+found")); 416 exit(1); 417 } 418 } 419} 420 421static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) 422{ 423 errcode_t retval; 424 425 ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO); 426 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); 427 retval = ext2fs_update_bb_inode(fs, bb_list); 428 if (retval) { 429 com_err("ext2fs_update_bb_inode", retval, 430 _("while setting bad block inode")); 431 exit(1); 432 } 433 434} 435 436static void reserve_inodes(ext2_filsys fs) 437{ 438 ext2_ino_t i; 439 440 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) 441 ext2fs_inode_alloc_stats2(fs, i, +1, 0); 442 ext2fs_mark_ib_dirty(fs); 443} 444 445#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ 446#define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ 447#define BSD_LABEL_OFFSET 64 448 449static void zap_sector(ext2_filsys fs, int sect, int nsect) 450{ 451 char *buf; 452 int retval; 453 unsigned int *magic; 454 455 buf = malloc(512*nsect); 456 if (!buf) { 457 printf(_("Out of memory erasing sectors %d-%d\n"), 458 sect, sect + nsect - 1); 459 exit(1); 460 } 461 462 if (sect == 0) { 463 /* Check for a BSD disklabel, and don't erase it if so */ 464 retval = io_channel_read_blk64(fs->io, 0, -512, buf); 465 if (retval) 466 fprintf(stderr, 467 _("Warning: could not read block 0: %s\n"), 468 error_message(retval)); 469 else { 470 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); 471 if ((*magic == BSD_DISKMAGIC) || 472 (*magic == BSD_MAGICDISK)) 473 return; 474 } 475 } 476 477 memset(buf, 0, 512*nsect); 478 io_channel_set_blksize(fs->io, 512); 479 retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf); 480 io_channel_set_blksize(fs->io, fs->blocksize); 481 free(buf); 482 if (retval) 483 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), 484 sect, error_message(retval)); 485} 486 487static void create_journal_dev(ext2_filsys fs) 488{ 489 struct ext2fs_numeric_progress_struct progress; 490 errcode_t retval; 491 char *buf; 492 blk_t blk, err_blk; 493 int c, count, err_count; 494 495 retval = ext2fs_create_journal_superblock(fs, 496 ext2fs_blocks_count(fs->super), 0, &buf); 497 if (retval) { 498 com_err("create_journal_dev", retval, 499 _("while initializing journal superblock")); 500 exit(1); 501 } 502 ext2fs_numeric_progress_init(fs, &progress, 503 _("Zeroing journal device: "), 504 ext2fs_blocks_count(fs->super)); 505 blk = 0; 506 count = ext2fs_blocks_count(fs->super); 507 while (count > 0) { 508 if (count > 1024) 509 c = 1024; 510 else 511 c = count; 512 retval = ext2fs_zero_blocks(fs, blk, c, &err_blk, &err_count); 513 if (retval) { 514 com_err("create_journal_dev", retval, 515 _("while zeroing journal device " 516 "(block %u, count %d)"), 517 err_blk, err_count); 518 exit(1); 519 } 520 blk += c; 521 count -= c; 522 ext2fs_numeric_progress_update(fs, &progress, blk); 523 } 524 ext2fs_zero_blocks(0, 0, 0, 0, 0); 525 526 retval = io_channel_write_blk64(fs->io, 527 fs->super->s_first_data_block+1, 528 1, buf); 529 if (retval) { 530 com_err("create_journal_dev", retval, 531 _("while writing journal superblock")); 532 exit(1); 533 } 534 ext2fs_numeric_progress_close(fs, &progress, NULL); 535} 536 537static void show_stats(ext2_filsys fs) 538{ 539 struct ext2_super_block *s = fs->super; 540 char buf[80]; 541 char *os; 542 blk_t group_block; 543 dgrp_t i; 544 int need, col_left; 545 546 if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s)) 547 fprintf(stderr, _("warning: %llu blocks unused.\n\n"), 548 ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s)); 549 550 memset(buf, 0, sizeof(buf)); 551 strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); 552 printf(_("Filesystem label=%s\n"), buf); 553 fputs(_("OS type: "), stdout); 554 os = e2p_os2string(fs->super->s_creator_os); 555 fputs(os, stdout); 556 free(os); 557 printf("\n"); 558 printf(_("Block size=%u (log=%u)\n"), fs->blocksize, 559 s->s_log_block_size); 560 printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize, 561 s->s_log_frag_size); 562 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"), 563 s->s_raid_stride, s->s_raid_stripe_width); 564 printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count, 565 ext2fs_blocks_count(s)); 566 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"), 567 ext2fs_r_blocks_count(s), 568 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s)); 569 printf(_("First data block=%u\n"), s->s_first_data_block); 570 if (s->s_reserved_gdt_blocks) 571 printf(_("Maximum filesystem blocks=%lu\n"), 572 (s->s_reserved_gdt_blocks + fs->desc_blocks) * 573 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); 574 if (fs->group_desc_count > 1) 575 printf(_("%u block groups\n"), fs->group_desc_count); 576 else 577 printf(_("%u block group\n"), fs->group_desc_count); 578 printf(_("%u blocks per group, %u fragments per group\n"), 579 s->s_blocks_per_group, s->s_frags_per_group); 580 printf(_("%u inodes per group\n"), s->s_inodes_per_group); 581 582 if (fs->group_desc_count == 1) { 583 printf("\n"); 584 return; 585 } 586 587 printf(_("Superblock backups stored on blocks: ")); 588 group_block = s->s_first_data_block; 589 col_left = 0; 590 for (i = 1; i < fs->group_desc_count; i++) { 591 group_block += s->s_blocks_per_group; 592 if (!ext2fs_bg_has_super(fs, i)) 593 continue; 594 if (i != 1) 595 printf(", "); 596 need = int_log10(group_block) + 2; 597 if (need > col_left) { 598 printf("\n\t"); 599 col_left = 72; 600 } 601 col_left -= need; 602 printf("%u", group_block); 603 } 604 printf("\n\n"); 605} 606 607/* 608 * Set the S_CREATOR_OS field. Return true if OS is known, 609 * otherwise, 0. 610 */ 611static int set_os(struct ext2_super_block *sb, char *os) 612{ 613 if (isdigit (*os)) 614 sb->s_creator_os = atoi (os); 615 else if (strcasecmp(os, "linux") == 0) 616 sb->s_creator_os = EXT2_OS_LINUX; 617 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) 618 sb->s_creator_os = EXT2_OS_HURD; 619 else if (strcasecmp(os, "freebsd") == 0) 620 sb->s_creator_os = EXT2_OS_FREEBSD; 621 else if (strcasecmp(os, "lites") == 0) 622 sb->s_creator_os = EXT2_OS_LITES; 623 else 624 return 0; 625 return 1; 626} 627 628#define PATH_SET "PATH=/sbin" 629 630static void parse_extended_opts(struct ext2_super_block *param, 631 const char *opts) 632{ 633 char *buf, *token, *next, *p, *arg, *badopt = 0; 634 int len; 635 int r_usage = 0; 636 637 len = strlen(opts); 638 buf = malloc(len+1); 639 if (!buf) { 640 fprintf(stderr, 641 _("Couldn't allocate memory to parse options!\n")); 642 exit(1); 643 } 644 strcpy(buf, opts); 645 for (token = buf; token && *token; token = next) { 646 p = strchr(token, ','); 647 next = 0; 648 if (p) { 649 *p = 0; 650 next = p+1; 651 } 652 arg = strchr(token, '='); 653 if (arg) { 654 *arg = 0; 655 arg++; 656 } 657 if (strcmp(token, "stride") == 0) { 658 if (!arg) { 659 r_usage++; 660 badopt = token; 661 continue; 662 } 663 param->s_raid_stride = strtoul(arg, &p, 0); 664 if (*p || (param->s_raid_stride == 0)) { 665 fprintf(stderr, 666 _("Invalid stride parameter: %s\n"), 667 arg); 668 r_usage++; 669 continue; 670 } 671 } else if (strcmp(token, "stripe-width") == 0 || 672 strcmp(token, "stripe_width") == 0) { 673 if (!arg) { 674 r_usage++; 675 badopt = token; 676 continue; 677 } 678 param->s_raid_stripe_width = strtoul(arg, &p, 0); 679 if (*p || (param->s_raid_stripe_width == 0)) { 680 fprintf(stderr, 681 _("Invalid stripe-width parameter: %s\n"), 682 arg); 683 r_usage++; 684 continue; 685 } 686 } else if (!strcmp(token, "resize")) { 687 unsigned long resize, bpg, rsv_groups; 688 unsigned long group_desc_count, desc_blocks; 689 unsigned int gdpb, blocksize; 690 int rsv_gdb; 691 692 if (!arg) { 693 r_usage++; 694 badopt = token; 695 continue; 696 } 697 698 resize = parse_num_blocks(arg, 699 param->s_log_block_size); 700 701 if (resize == 0) { 702 fprintf(stderr, 703 _("Invalid resize parameter: %s\n"), 704 arg); 705 r_usage++; 706 continue; 707 } 708 if (resize <= ext2fs_blocks_count(param)) { 709 fprintf(stderr, 710 _("The resize maximum must be greater " 711 "than the filesystem size.\n")); 712 r_usage++; 713 continue; 714 } 715 716 blocksize = EXT2_BLOCK_SIZE(param); 717 bpg = param->s_blocks_per_group; 718 if (!bpg) 719 bpg = blocksize * 8; 720 gdpb = EXT2_DESC_PER_BLOCK(param); 721 group_desc_count = (__u32) ext2fs_div64_ceil( 722 ext2fs_blocks_count(param), bpg); 723 desc_blocks = (group_desc_count + 724 gdpb - 1) / gdpb; 725 rsv_groups = ext2fs_div_ceil(resize, bpg); 726 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - 727 desc_blocks; 728 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) 729 rsv_gdb = EXT2_ADDR_PER_BLOCK(param); 730 731 if (rsv_gdb > 0) { 732 if (param->s_rev_level == EXT2_GOOD_OLD_REV) { 733 fprintf(stderr, 734 _("On-line resizing not supported with revision 0 filesystems\n")); 735 free(buf); 736 exit(1); 737 } 738 param->s_feature_compat |= 739 EXT2_FEATURE_COMPAT_RESIZE_INODE; 740 741 param->s_reserved_gdt_blocks = rsv_gdb; 742 } 743 } else if (!strcmp(token, "test_fs")) { 744 param->s_flags |= EXT2_FLAGS_TEST_FILESYS; 745 } else if (!strcmp(token, "lazy_itable_init")) { 746 if (arg) 747 lazy_itable_init = strtoul(arg, &p, 0); 748 else 749 lazy_itable_init = 1; 750 } else { 751 r_usage++; 752 badopt = token; 753 } 754 } 755 if (r_usage) { 756 fprintf(stderr, _("\nBad option(s) specified: %s\n\n" 757 "Extended options are separated by commas, " 758 "and may take an argument which\n" 759 "\tis set off by an equals ('=') sign.\n\n" 760 "Valid extended options are:\n" 761 "\tstride=<RAID per-disk data chunk in blocks>\n" 762 "\tstripe-width=<RAID stride * data disks in blocks>\n" 763 "\tresize=<resize maximum size in blocks>\n" 764 "\tlazy_itable_init=<0 to disable, 1 to enable>\n" 765 "\ttest_fs\n\n"), 766 badopt ? badopt : ""); 767 free(buf); 768 exit(1); 769 } 770 if (param->s_raid_stride && 771 (param->s_raid_stripe_width % param->s_raid_stride) != 0) 772 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " 773 "multiple of stride %u.\n\n"), 774 param->s_raid_stripe_width, param->s_raid_stride); 775 776 free(buf); 777} 778 779static __u32 ok_features[3] = { 780 /* Compat */ 781 EXT3_FEATURE_COMPAT_HAS_JOURNAL | 782 EXT2_FEATURE_COMPAT_RESIZE_INODE | 783 EXT2_FEATURE_COMPAT_DIR_INDEX | 784 EXT2_FEATURE_COMPAT_EXT_ATTR, 785 /* Incompat */ 786 EXT2_FEATURE_INCOMPAT_FILETYPE| 787 EXT3_FEATURE_INCOMPAT_EXTENTS| 788 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| 789 EXT2_FEATURE_INCOMPAT_META_BG| 790 EXT4_FEATURE_INCOMPAT_FLEX_BG, 791 /* R/O compat */ 792 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| 793 EXT4_FEATURE_RO_COMPAT_HUGE_FILE| 794 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 795 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| 796 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| 797 EXT4_FEATURE_RO_COMPAT_GDT_CSUM 798}; 799 800 801static void syntax_err_report(const char *filename, long err, int line_num) 802{ 803 fprintf(stderr, 804 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), 805 filename, line_num, error_message(err)); 806 exit(1); 807} 808 809static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; 810 811static void edit_feature(const char *str, __u32 *compat_array) 812{ 813 if (!str) 814 return; 815 816 if (e2p_edit_feature(str, compat_array, ok_features)) { 817 fprintf(stderr, _("Invalid filesystem option set: %s\n"), 818 str); 819 exit(1); 820 } 821} 822 823struct str_list { 824 char **list; 825 int num; 826 int max; 827}; 828 829static errcode_t init_list(struct str_list *sl) 830{ 831 sl->num = 0; 832 sl->max = 0; 833 sl->list = malloc((sl->max+1) * sizeof(char *)); 834 if (!sl->list) 835 return ENOMEM; 836 sl->list[0] = 0; 837 return 0; 838} 839 840static errcode_t push_string(struct str_list *sl, const char *str) 841{ 842 char **new_list; 843 844 if (sl->num >= sl->max) { 845 sl->max += 2; 846 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); 847 if (!new_list) 848 return ENOMEM; 849 sl->list = new_list; 850 } 851 sl->list[sl->num] = malloc(strlen(str)+1); 852 if (sl->list[sl->num] == 0) 853 return ENOMEM; 854 strcpy(sl->list[sl->num], str); 855 sl->num++; 856 sl->list[sl->num] = 0; 857 return 0; 858} 859 860static void print_str_list(char **list) 861{ 862 char **cpp; 863 864 for (cpp = list; *cpp; cpp++) { 865 printf("'%s'", *cpp); 866 if (cpp[1]) 867 fputs(", ", stdout); 868 } 869 fputc('\n', stdout); 870} 871 872static char **parse_fs_type(const char *fs_type, 873 const char *usage_types, 874 struct ext2_super_block *fs_param, 875 char *progname) 876{ 877 const char *ext_type = 0; 878 char *parse_str; 879 char *profile_type = 0; 880 char *cp, *t; 881 const char *size_type; 882 struct str_list list; 883 unsigned long meg; 884 int is_hurd = 0; 885 886 if (init_list(&list)) 887 return 0; 888 889 if (creator_os && (!strcasecmp(creator_os, "GNU") || 890 !strcasecmp(creator_os, "hurd"))) 891 is_hurd = 1; 892 893 if (fs_type) 894 ext_type = fs_type; 895 else if (is_hurd) 896 ext_type = "ext2"; 897 else if (!strcmp(program_name, "mke3fs")) 898 ext_type = "ext3"; 899 else if (progname) { 900 ext_type = strrchr(progname, '/'); 901 if (ext_type) 902 ext_type++; 903 else 904 ext_type = progname; 905 906 if (!strncmp(ext_type, "mkfs.", 5)) { 907 ext_type += 5; 908 if (ext_type[0] == 0) 909 ext_type = 0; 910 } else 911 ext_type = 0; 912 } 913 914 if (!ext_type) { 915 profile_get_string(profile, "defaults", "fs_type", 0, 916 "ext2", &profile_type); 917 ext_type = profile_type; 918 if (!strcmp(ext_type, "ext2") && (journal_size != 0)) 919 ext_type = "ext3"; 920 } 921 922 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") || 923 !strcmp(ext_type, "ext4dev")) { 924 profile_get_string(profile, "fs_types", ext_type, "features", 925 0, &t); 926 if (!t) { 927 printf(_("\nWarning! Your mke2fs.conf file does " 928 "not define the %s filesystem type.\n"), 929 ext_type); 930 printf(_("You probably need to install an updated " 931 "mke2fs.conf file.\n\n")); 932 sleep(5); 933 } 934 } 935 936 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param); 937 if (ext2fs_blocks_count(fs_param) < 3 * meg) 938 size_type = "floppy"; 939 else if (ext2fs_blocks_count(fs_param) < 512 * meg) 940 size_type = "small"; 941 else 942 size_type = "default"; 943 944 if (!usage_types) 945 usage_types = size_type; 946 947 parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1); 948 if (!parse_str) { 949 free(list.list); 950 return 0; 951 } 952 if (usage_types) 953 strcpy(parse_str, usage_types); 954 else 955 *parse_str = '\0'; 956 957 if (ext_type) 958 push_string(&list, ext_type); 959 cp = parse_str; 960 while (1) { 961 t = strchr(cp, ','); 962 if (t) 963 *t = '\0'; 964 965 if (*cp) 966 push_string(&list, cp); 967 if (t) 968 cp = t+1; 969 else { 970 cp = ""; 971 break; 972 } 973 } 974 free(parse_str); 975 free(profile_type); 976 if (is_hurd) 977 push_string(&list, "hurd"); 978 return (list.list); 979} 980 981static char *get_string_from_profile(char **fs_types, const char *opt, 982 const char *def_val) 983{ 984 char *ret = 0; 985 int i; 986 987 for (i=0; fs_types[i]; i++); 988 for (i-=1; i >=0 ; i--) { 989 profile_get_string(profile, "fs_types", fs_types[i], 990 opt, 0, &ret); 991 if (ret) 992 return ret; 993 } 994 profile_get_string(profile, "defaults", opt, 0, def_val, &ret); 995 return (ret); 996} 997 998static int get_int_from_profile(char **fs_types, const char *opt, int def_val) 999{ 1000 int ret; 1001 char **cpp; 1002 1003 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); 1004 for (cpp = fs_types; *cpp; cpp++) 1005 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); 1006 return ret; 1007} 1008 1009static int get_bool_from_profile(char **fs_types, const char *opt, int def_val) 1010{ 1011 int ret; 1012 char **cpp; 1013 1014 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); 1015 for (cpp = fs_types; *cpp; cpp++) 1016 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); 1017 return ret; 1018} 1019 1020extern const char *mke2fs_default_profile; 1021static const char *default_files[] = { "<default>", 0 }; 1022 1023#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1024/* 1025 * Sets the geometry of a device (stripe/stride), and returns the 1026 * device's alignment offset, if any, or a negative error. 1027 */ 1028static int ext2fs_get_device_geometry(const char *file, 1029 struct ext2_super_block *fs_param) 1030{ 1031 int rc = -1; 1032 int blocksize; 1033 blkid_probe pr; 1034 blkid_topology tp; 1035 unsigned long min_io; 1036 unsigned long opt_io; 1037 1038 pr = blkid_new_probe_from_filename(file); 1039 if (!pr) 1040 goto out; 1041 1042 tp = blkid_probe_get_topology(pr); 1043 if (!tp) 1044 goto out; 1045 1046 min_io = blkid_topology_get_minimum_io_size(tp); 1047 opt_io = blkid_topology_get_optimal_io_size(tp); 1048 blocksize = EXT2_BLOCK_SIZE(fs_param); 1049 1050 fs_param->s_raid_stride = min_io / blocksize; 1051 fs_param->s_raid_stripe_width = opt_io / blocksize; 1052 1053 rc = blkid_topology_get_alignment_offset(tp); 1054out: 1055 blkid_free_probe(pr); 1056 return rc; 1057} 1058#endif 1059 1060static void PRS(int argc, char *argv[]) 1061{ 1062 int b, c; 1063 int size; 1064 char *tmp, **cpp; 1065 int blocksize = 0; 1066 int inode_ratio = 0; 1067 int inode_size = 0; 1068 unsigned long flex_bg_size = 0; 1069 double reserved_ratio = 5.0; 1070 int sector_size = 0; 1071 int show_version_only = 0; 1072 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ 1073 errcode_t retval; 1074 char * oldpath = getenv("PATH"); 1075 char * extended_opts = 0; 1076 const char * fs_type = 0; 1077 const char * usage_types = 0; 1078 blk_t dev_size; 1079#ifdef __linux__ 1080 struct utsname ut; 1081#endif 1082 long sysval; 1083 int s_opt = -1, r_opt = -1; 1084 char *fs_features = 0; 1085 int use_bsize; 1086 char *newpath; 1087 int pathlen = sizeof(PATH_SET) + 1; 1088 1089 if (oldpath) 1090 pathlen += strlen(oldpath); 1091 newpath = malloc(pathlen); 1092 strcpy(newpath, PATH_SET); 1093 1094 /* Update our PATH to include /sbin */ 1095 if (oldpath) { 1096 strcat (newpath, ":"); 1097 strcat (newpath, oldpath); 1098 } 1099 putenv (newpath); 1100 1101 tmp = getenv("MKE2FS_SYNC"); 1102 if (tmp) 1103 sync_kludge = atoi(tmp); 1104 1105 /* Determine the system page size if possible */ 1106#ifdef HAVE_SYSCONF 1107#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) 1108#define _SC_PAGESIZE _SC_PAGE_SIZE 1109#endif 1110#ifdef _SC_PAGESIZE 1111 sysval = sysconf(_SC_PAGESIZE); 1112 if (sysval > 0) 1113 sys_page_size = sysval; 1114#endif /* _SC_PAGESIZE */ 1115#endif /* HAVE_SYSCONF */ 1116 1117 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) 1118 config_fn[0] = tmp; 1119 profile_set_syntax_err_cb(syntax_err_report); 1120 retval = profile_init(config_fn, &profile); 1121 if (retval == ENOENT) { 1122 profile_init(default_files, &profile); 1123 profile_set_default(profile, mke2fs_default_profile); 1124 } 1125 1126 setbuf(stdout, NULL); 1127 setbuf(stderr, NULL); 1128 add_error_table(&et_ext2_error_table); 1129 add_error_table(&et_prof_error_table); 1130 memset(&fs_param, 0, sizeof(struct ext2_super_block)); 1131 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ 1132 1133#ifdef __linux__ 1134 if (uname(&ut)) { 1135 perror("uname"); 1136 exit(1); 1137 } 1138 linux_version_code = parse_version_number(ut.release); 1139 if (linux_version_code && linux_version_code < (2*65536 + 2*256)) 1140 fs_param.s_rev_level = 0; 1141#endif 1142 1143 if (argc && *argv) { 1144 program_name = get_progname(*argv); 1145 1146 /* If called as mkfs.ext3, create a journal inode */ 1147 if (!strcmp(program_name, "mkfs.ext3") || 1148 !strcmp(program_name, "mke3fs")) 1149 journal_size = -1; 1150 } 1151 1152 while ((c = getopt (argc, argv, 1153 "b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:L:M:N:O:R:ST:U:V")) != EOF) { 1154 switch (c) { 1155 case 'b': 1156 blocksize = strtol(optarg, &tmp, 0); 1157 b = (blocksize > 0) ? blocksize : -blocksize; 1158 if (b < EXT2_MIN_BLOCK_SIZE || 1159 b > EXT2_MAX_BLOCK_SIZE || *tmp) { 1160 com_err(program_name, 0, 1161 _("invalid block size - %s"), optarg); 1162 exit(1); 1163 } 1164 if (blocksize > 4096) 1165 fprintf(stderr, _("Warning: blocksize %d not " 1166 "usable on most systems.\n"), 1167 blocksize); 1168 if (blocksize > 0) 1169 fs_param.s_log_block_size = 1170 int_log2(blocksize >> 1171 EXT2_MIN_BLOCK_LOG_SIZE); 1172 break; 1173 case 'c': /* Check for bad blocks */ 1174 cflag++; 1175 break; 1176 case 'f': 1177 size = strtoul(optarg, &tmp, 0); 1178 if (size < EXT2_MIN_BLOCK_SIZE || 1179 size > EXT2_MAX_BLOCK_SIZE || *tmp) { 1180 com_err(program_name, 0, 1181 _("invalid fragment size - %s"), 1182 optarg); 1183 exit(1); 1184 } 1185 fs_param.s_log_frag_size = 1186 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); 1187 fprintf(stderr, _("Warning: fragments not supported. " 1188 "Ignoring -f option\n")); 1189 break; 1190 case 'g': 1191 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); 1192 if (*tmp) { 1193 com_err(program_name, 0, 1194 _("Illegal number for blocks per group")); 1195 exit(1); 1196 } 1197 if ((fs_param.s_blocks_per_group % 8) != 0) { 1198 com_err(program_name, 0, 1199 _("blocks per group must be multiple of 8")); 1200 exit(1); 1201 } 1202 break; 1203 case 'G': 1204 flex_bg_size = strtoul(optarg, &tmp, 0); 1205 if (*tmp) { 1206 com_err(program_name, 0, 1207 _("Illegal number for flex_bg size")); 1208 exit(1); 1209 } 1210 if (flex_bg_size < 2 || 1211 (flex_bg_size & (flex_bg_size-1)) != 0) { 1212 com_err(program_name, 0, 1213 _("flex_bg size must be a power of 2")); 1214 exit(1); 1215 } 1216 break; 1217 case 'i': 1218 inode_ratio = strtoul(optarg, &tmp, 0); 1219 if (inode_ratio < EXT2_MIN_BLOCK_SIZE || 1220 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || 1221 *tmp) { 1222 com_err(program_name, 0, 1223 _("invalid inode ratio %s (min %d/max %d)"), 1224 optarg, EXT2_MIN_BLOCK_SIZE, 1225 EXT2_MAX_BLOCK_SIZE); 1226 exit(1); 1227 } 1228 break; 1229 case 'J': 1230 parse_journal_opts(optarg); 1231 break; 1232 case 'j': 1233 if (!journal_size) 1234 journal_size = -1; 1235 break; 1236 case 'l': 1237 bad_blocks_filename = malloc(strlen(optarg)+1); 1238 if (!bad_blocks_filename) { 1239 com_err(program_name, ENOMEM, 1240 _("in malloc for bad_blocks_filename")); 1241 exit(1); 1242 } 1243 strcpy(bad_blocks_filename, optarg); 1244 break; 1245 case 'm': 1246 reserved_ratio = strtod(optarg, &tmp); 1247 if ( *tmp || reserved_ratio > 50 || 1248 reserved_ratio < 0) { 1249 com_err(program_name, 0, 1250 _("invalid reserved blocks percent - %s"), 1251 optarg); 1252 exit(1); 1253 } 1254 break; 1255 case 'n': 1256 noaction++; 1257 break; 1258 case 'o': 1259 creator_os = optarg; 1260 break; 1261 case 'q': 1262 quiet = 1; 1263 break; 1264 case 'r': 1265 r_opt = strtoul(optarg, &tmp, 0); 1266 if (*tmp) { 1267 com_err(program_name, 0, 1268 _("bad revision level - %s"), optarg); 1269 exit(1); 1270 } 1271 fs_param.s_rev_level = r_opt; 1272 break; 1273 case 's': /* deprecated */ 1274 s_opt = atoi(optarg); 1275 break; 1276 case 'I': 1277 inode_size = strtoul(optarg, &tmp, 0); 1278 if (*tmp) { 1279 com_err(program_name, 0, 1280 _("invalid inode size - %s"), optarg); 1281 exit(1); 1282 } 1283 break; 1284 case 'v': 1285 verbose = 1; 1286 break; 1287 case 'F': 1288 force++; 1289 break; 1290 case 'L': 1291 volume_label = optarg; 1292 break; 1293 case 'M': 1294 mount_dir = optarg; 1295 break; 1296 case 'N': 1297 num_inodes = strtoul(optarg, &tmp, 0); 1298 if (*tmp) { 1299 com_err(program_name, 0, 1300 _("bad num inodes - %s"), optarg); 1301 exit(1); 1302 } 1303 break; 1304 case 'O': 1305 fs_features = optarg; 1306 break; 1307 case 'E': 1308 case 'R': 1309 extended_opts = optarg; 1310 break; 1311 case 'S': 1312 super_only = 1; 1313 break; 1314 case 't': 1315 fs_type = optarg; 1316 break; 1317 case 'T': 1318 usage_types = optarg; 1319 break; 1320 case 'U': 1321 fs_uuid = optarg; 1322 break; 1323 case 'V': 1324 /* Print version number and exit */ 1325 show_version_only++; 1326 break; 1327 default: 1328 usage(); 1329 } 1330 } 1331 if ((optind == argc) && !show_version_only) 1332 usage(); 1333 device_name = argv[optind++]; 1334 1335 if (!quiet || show_version_only) 1336 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, 1337 E2FSPROGS_DATE); 1338 1339 if (show_version_only) { 1340 fprintf(stderr, _("\tUsing %s\n"), 1341 error_message(EXT2_ET_BASE)); 1342 exit(0); 1343 } 1344 1345 /* 1346 * If there's no blocksize specified and there is a journal 1347 * device, use it to figure out the blocksize 1348 */ 1349 if (blocksize <= 0 && journal_device) { 1350 ext2_filsys jfs; 1351 io_manager io_ptr; 1352 1353#ifdef CONFIG_TESTIO_DEBUG 1354 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1355 io_ptr = test_io_manager; 1356 test_io_backing_manager = unix_io_manager; 1357 } else 1358#endif 1359 io_ptr = unix_io_manager; 1360 retval = ext2fs_open(journal_device, 1361 EXT2_FLAG_JOURNAL_DEV_OK, 0, 1362 0, io_ptr, &jfs); 1363 if (retval) { 1364 com_err(program_name, retval, 1365 _("while trying to open journal device %s\n"), 1366 journal_device); 1367 exit(1); 1368 } 1369 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { 1370 com_err(program_name, 0, 1371 _("Journal dev blocksize (%d) smaller than " 1372 "minimum blocksize %d\n"), jfs->blocksize, 1373 -blocksize); 1374 exit(1); 1375 } 1376 blocksize = jfs->blocksize; 1377 printf(_("Using journal device's blocksize: %d\n"), blocksize); 1378 fs_param.s_log_block_size = 1379 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1380 ext2fs_close(jfs); 1381 } 1382 1383 if (blocksize > sys_page_size) { 1384 if (!force) { 1385 com_err(program_name, 0, 1386 _("%d-byte blocks too big for system (max %d)"), 1387 blocksize, sys_page_size); 1388 proceed_question(); 1389 } 1390 fprintf(stderr, _("Warning: %d-byte blocks too big for system " 1391 "(max %d), forced to continue\n"), 1392 blocksize, sys_page_size); 1393 } 1394 if (optind < argc) { 1395 ext2fs_blocks_count_set(&fs_param, parse_num_blocks(argv[optind++], 1396 fs_param.s_log_block_size)); 1397 if (!ext2fs_blocks_count(&fs_param)) { 1398 com_err(program_name, 0, _("invalid blocks count - %s"), 1399 argv[optind - 1]); 1400 exit(1); 1401 } 1402 } 1403 if (optind < argc) 1404 usage(); 1405 1406 if (!force) 1407 check_plausibility(device_name); 1408 check_mount(device_name, force, _("filesystem")); 1409 1410 fs_param.s_log_frag_size = fs_param.s_log_block_size; 1411 1412 if (noaction && ext2fs_blocks_count(&fs_param)) { 1413 dev_size = ext2fs_blocks_count(&fs_param); 1414 retval = 0; 1415 } else { 1416 retry: 1417 retval = ext2fs_get_device_size(device_name, 1418 EXT2_BLOCK_SIZE(&fs_param), 1419 &dev_size); 1420 if ((retval == EFBIG) && 1421 (blocksize == 0) && 1422 (fs_param.s_log_block_size == 0)) { 1423 fs_param.s_log_block_size = 2; 1424 blocksize = 4096; 1425 goto retry; 1426 } 1427 } 1428 1429 if (retval == EFBIG) { 1430 blk64_t big_dev_size; 1431 1432 if (blocksize < 4096) { 1433 fs_param.s_log_block_size = 2; 1434 blocksize = 4096; 1435 } 1436 retval = ext2fs_get_device_size2(device_name, 1437 EXT2_BLOCK_SIZE(&fs_param), &big_dev_size); 1438 if (retval) 1439 goto get_size_failure; 1440 if (big_dev_size == (1ULL << 32)) { 1441 dev_size = (blk_t) (big_dev_size - 1); 1442 goto got_size; 1443 } 1444 fprintf(stderr, _("%s: Size of device %s too big " 1445 "to be expressed in 32 bits\n\t" 1446 "using a blocksize of %d.\n"), 1447 program_name, device_name, EXT2_BLOCK_SIZE(&fs_param)); 1448 exit(1); 1449 } 1450get_size_failure: 1451 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { 1452 com_err(program_name, retval, 1453 _("while trying to determine filesystem size")); 1454 exit(1); 1455 } 1456got_size: 1457 if (!ext2fs_blocks_count(&fs_param)) { 1458 if (retval == EXT2_ET_UNIMPLEMENTED) { 1459 com_err(program_name, 0, 1460 _("Couldn't determine device size; you " 1461 "must specify\nthe size of the " 1462 "filesystem\n")); 1463 exit(1); 1464 } else { 1465 if (dev_size == 0) { 1466 com_err(program_name, 0, 1467 _("Device size reported to be zero. " 1468 "Invalid partition specified, or\n\t" 1469 "partition table wasn't reread " 1470 "after running fdisk, due to\n\t" 1471 "a modified partition being busy " 1472 "and in use. You may need to reboot\n\t" 1473 "to re-read your partition table.\n" 1474 )); 1475 exit(1); 1476 } 1477 ext2fs_blocks_count_set(&fs_param, dev_size); 1478 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) { 1479 blk64_t tmp = ext2fs_blocks_count(&fs_param); 1480 1481 tmp &= ~((blk64_t) ((sys_page_size / 1482 EXT2_BLOCK_SIZE(&fs_param))-1)); 1483 ext2fs_blocks_count_set(&fs_param, tmp); 1484 } 1485 } 1486 } else if (!force && (ext2fs_blocks_count(&fs_param) > dev_size)) { 1487 com_err(program_name, 0, 1488 _("Filesystem larger than apparent device size.")); 1489 proceed_question(); 1490 } 1491 1492 fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]); 1493 if (!fs_types) { 1494 fprintf(stderr, _("Failed to parse fs types list\n")); 1495 exit(1); 1496 } 1497 1498 /* Figure out what features should be enabled */ 1499 1500 tmp = NULL; 1501 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { 1502 tmp = get_string_from_profile(fs_types, "base_features", 1503 "sparse_super,filetype,resize_inode,dir_index"); 1504 edit_feature(tmp, &fs_param.s_feature_compat); 1505 free(tmp); 1506 1507 for (cpp = fs_types; *cpp; cpp++) { 1508 tmp = NULL; 1509 profile_get_string(profile, "fs_types", *cpp, 1510 "features", "", &tmp); 1511 if (tmp && *tmp) 1512 edit_feature(tmp, &fs_param.s_feature_compat); 1513 free(tmp); 1514 } 1515 tmp = get_string_from_profile(fs_types, "default_features", 1516 ""); 1517 } 1518 edit_feature(fs_features ? fs_features : tmp, 1519 &fs_param.s_feature_compat); 1520 free(tmp); 1521 1522 if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1523 fs_types[0] = strdup("journal"); 1524 fs_types[1] = 0; 1525 } 1526 1527 if (verbose) { 1528 fputs(_("fs_types for mke2fs.conf resolution: "), stdout); 1529 print_str_list(fs_types); 1530 } 1531 1532 if (r_opt == EXT2_GOOD_OLD_REV && 1533 (fs_param.s_feature_compat || fs_param.s_feature_incompat || 1534 fs_param.s_feature_ro_compat)) { 1535 fprintf(stderr, _("Filesystem features not supported " 1536 "with revision 0 filesystems\n")); 1537 exit(1); 1538 } 1539 1540 if (s_opt > 0) { 1541 if (r_opt == EXT2_GOOD_OLD_REV) { 1542 fprintf(stderr, _("Sparse superblocks not supported " 1543 "with revision 0 filesystems\n")); 1544 exit(1); 1545 } 1546 fs_param.s_feature_ro_compat |= 1547 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1548 } else if (s_opt == 0) 1549 fs_param.s_feature_ro_compat &= 1550 ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1551 1552 if (journal_size != 0) { 1553 if (r_opt == EXT2_GOOD_OLD_REV) { 1554 fprintf(stderr, _("Journals not supported " 1555 "with revision 0 filesystems\n")); 1556 exit(1); 1557 } 1558 fs_param.s_feature_compat |= 1559 EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1560 } 1561 1562 if (fs_param.s_feature_incompat & 1563 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1564 reserved_ratio = 0; 1565 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; 1566 fs_param.s_feature_compat = 0; 1567 fs_param.s_feature_ro_compat = 0; 1568 } 1569 1570 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1571 (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) { 1572 fprintf(stderr, _("The resize_inode and meta_bg features " 1573 "are not compatible.\n" 1574 "They can not be both enabled " 1575 "simultaneously.\n")); 1576 exit(1); 1577 } 1578 1579 /* Set first meta blockgroup via an environment variable */ 1580 /* (this is mostly for debugging purposes) */ 1581 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1582 ((tmp = getenv("MKE2FS_FIRST_META_BG")))) 1583 fs_param.s_first_meta_bg = atoi(tmp); 1584 1585 /* Get the hardware sector size, if available */ 1586 retval = ext2fs_get_device_sectsize(device_name, §or_size); 1587 if (retval) { 1588 com_err(program_name, retval, 1589 _("while trying to determine hardware sector size")); 1590 exit(1); 1591 } 1592 1593 if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL) 1594 sector_size = atoi(tmp); 1595 1596 if (blocksize <= 0) { 1597 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); 1598 1599 if (use_bsize == -1) { 1600 use_bsize = sys_page_size; 1601 if ((linux_version_code < (2*65536 + 6*256)) && 1602 (use_bsize > 4096)) 1603 use_bsize = 4096; 1604 } 1605 if (sector_size && use_bsize < sector_size) 1606 use_bsize = sector_size; 1607 if ((blocksize < 0) && (use_bsize < (-blocksize))) 1608 use_bsize = -blocksize; 1609 blocksize = use_bsize; 1610 ext2fs_blocks_count_set(&fs_param, 1611 ext2fs_blocks_count(&fs_param) / 1612 (blocksize / 1024)); 1613 } 1614 1615 if (inode_ratio == 0) { 1616 inode_ratio = get_int_from_profile(fs_types, "inode_ratio", 1617 8192); 1618 if (inode_ratio < blocksize) 1619 inode_ratio = blocksize; 1620 } 1621 1622 fs_param.s_log_frag_size = fs_param.s_log_block_size = 1623 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1624 1625#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1626 retval = ext2fs_get_device_geometry(device_name, &fs_param); 1627 if (retval < 0) { 1628 fprintf(stderr, 1629 _("warning: Unable to get device geometry for %s"), 1630 device_name); 1631 } else if (retval) { 1632 printf(_("%s alignment is offset by %lu bytes.\n"), 1633 device_name, retval); 1634 printf(_("This may result in very poor performance, " 1635 "(re)-partitioning suggested.\n")); 1636 proceed_question(); 1637 } 1638#endif 1639 1640 blocksize = EXT2_BLOCK_SIZE(&fs_param); 1641 1642 lazy_itable_init = get_bool_from_profile(fs_types, 1643 "lazy_itable_init", 0); 1644 1645 /* Get options from profile */ 1646 for (cpp = fs_types; *cpp; cpp++) { 1647 tmp = NULL; 1648 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp); 1649 if (tmp && *tmp) 1650 parse_extended_opts(&fs_param, tmp); 1651 free(tmp); 1652 } 1653 1654 if (extended_opts) 1655 parse_extended_opts(&fs_param, extended_opts); 1656 1657 /* Since sparse_super is the default, we would only have a problem 1658 * here if it was explicitly disabled. 1659 */ 1660 if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && 1661 !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { 1662 com_err(program_name, 0, 1663 _("reserved online resize blocks not supported " 1664 "on non-sparse filesystem")); 1665 exit(1); 1666 } 1667 1668 if (fs_param.s_blocks_per_group) { 1669 if (fs_param.s_blocks_per_group < 256 || 1670 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { 1671 com_err(program_name, 0, 1672 _("blocks per group count out of range")); 1673 exit(1); 1674 } 1675 } 1676 1677 if (inode_size == 0) 1678 inode_size = get_int_from_profile(fs_types, "inode_size", 0); 1679 if (!flex_bg_size && (fs_param.s_feature_incompat & 1680 EXT4_FEATURE_INCOMPAT_FLEX_BG)) 1681 flex_bg_size = get_int_from_profile(fs_types, 1682 "flex_bg_size", 16); 1683 if (flex_bg_size) { 1684 if (!(fs_param.s_feature_incompat & 1685 EXT4_FEATURE_INCOMPAT_FLEX_BG)) { 1686 com_err(program_name, 0, 1687 _("Flex_bg feature not enabled, so " 1688 "flex_bg size may not be specified")); 1689 exit(1); 1690 } 1691 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size); 1692 } 1693 1694 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { 1695 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || 1696 inode_size > EXT2_BLOCK_SIZE(&fs_param) || 1697 inode_size & (inode_size - 1)) { 1698 com_err(program_name, 0, 1699 _("invalid inode size %d (min %d/max %d)"), 1700 inode_size, EXT2_GOOD_OLD_INODE_SIZE, 1701 blocksize); 1702 exit(1); 1703 } 1704 fs_param.s_inode_size = inode_size; 1705 } 1706 1707 /* Make sure number of inodes specified will fit in 32 bits */ 1708 if (num_inodes == 0) { 1709 unsigned long long n; 1710 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio; 1711 if (n > ~0U) { 1712 com_err(program_name, 0, 1713 _("too many inodes (%llu), raise inode ratio?"), n); 1714 exit(1); 1715 } 1716 } else if (num_inodes > ~0U) { 1717 com_err(program_name, 0, 1718 _("too many inodes (%llu), specify < 2^32 inodes"), 1719 num_inodes); 1720 exit(1); 1721 } 1722 /* 1723 * Calculate number of inodes based on the inode ratio 1724 */ 1725 fs_param.s_inodes_count = num_inodes ? num_inodes : 1726 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio; 1727 1728 if ((((long long)fs_param.s_inodes_count) * 1729 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= 1730 ((ext2fs_blocks_count(&fs_param)) * 1731 EXT2_BLOCK_SIZE(&fs_param))) { 1732 com_err(program_name, 0, _("inode_size (%u) * inodes_count " 1733 "(%u) too big for a\n\t" 1734 "filesystem with %llu blocks, " 1735 "specify higher inode_ratio (-i)\n\t" 1736 "or lower inode count (-N).\n"), 1737 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, 1738 fs_param.s_inodes_count, 1739 (unsigned long long) ext2fs_blocks_count(&fs_param)); 1740 exit(1); 1741 } 1742 1743 /* 1744 * Calculate number of blocks to reserve 1745 */ 1746 ext2fs_r_blocks_count_set(&fs_param, reserved_ratio * 1747 ext2fs_blocks_count(&fs_param) / 100.0); 1748} 1749 1750static int should_do_undo(const char *name) 1751{ 1752 errcode_t retval; 1753 io_channel channel; 1754 __u16 s_magic; 1755 struct ext2_super_block super; 1756 io_manager manager = unix_io_manager; 1757 int csum_flag, force_undo; 1758 1759 csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 1760 EXT4_FEATURE_RO_COMPAT_GDT_CSUM); 1761 force_undo = get_int_from_profile(fs_types, "force_undo", 0); 1762 if (!force_undo && (!csum_flag || !lazy_itable_init)) 1763 return 0; 1764 1765 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel); 1766 if (retval) { 1767 /* 1768 * We don't handle error cases instead we 1769 * declare that the file system doesn't exist 1770 * and let the rest of mke2fs take care of 1771 * error 1772 */ 1773 retval = 0; 1774 goto open_err_out; 1775 } 1776 1777 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET); 1778 retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super); 1779 if (retval) { 1780 retval = 0; 1781 goto err_out; 1782 } 1783 1784#if defined(WORDS_BIGENDIAN) 1785 s_magic = ext2fs_swab16(super.s_magic); 1786#else 1787 s_magic = super.s_magic; 1788#endif 1789 1790 if (s_magic == EXT2_SUPER_MAGIC) 1791 retval = 1; 1792 1793err_out: 1794 io_channel_close(channel); 1795 1796open_err_out: 1797 1798 return retval; 1799} 1800 1801static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr) 1802{ 1803 errcode_t retval = 0; 1804 char *tdb_dir, *tdb_file; 1805 char *device_name, *tmp_name; 1806 1807 /* 1808 * Configuration via a conf file would be 1809 * nice 1810 */ 1811 tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); 1812 if (!tdb_dir) 1813 profile_get_string(profile, "defaults", 1814 "undo_dir", 0, "/var/lib/e2fsprogs", 1815 &tdb_dir); 1816 1817 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || 1818 access(tdb_dir, W_OK)) 1819 return 0; 1820 1821 tmp_name = strdup(name); 1822 if (!tmp_name) { 1823 alloc_fn_fail: 1824 com_err(program_name, ENOMEM, 1825 _("Couldn't allocate memory for tdb filename\n")); 1826 return ENOMEM; 1827 } 1828 device_name = basename(tmp_name); 1829 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(device_name) + 7 + 1); 1830 if (!tdb_file) 1831 goto alloc_fn_fail; 1832 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name); 1833 1834 if (!access(tdb_file, F_OK)) { 1835 if (unlink(tdb_file) < 0) { 1836 retval = errno; 1837 com_err(program_name, retval, 1838 _("while trying to delete %s"), 1839 tdb_file); 1840 free(tdb_file); 1841 return retval; 1842 } 1843 } 1844 1845 set_undo_io_backing_manager(*io_ptr); 1846 *io_ptr = undo_io_manager; 1847 set_undo_io_backup_file(tdb_file); 1848 printf(_("Overwriting existing filesystem; this can be undone " 1849 "using the command:\n" 1850 " e2undo %s %s\n\n"), tdb_file, name); 1851 1852 free(tdb_file); 1853 free(tmp_name); 1854 return retval; 1855} 1856 1857int main (int argc, char *argv[]) 1858{ 1859 errcode_t retval = 0; 1860 ext2_filsys fs; 1861 badblocks_list bb_list = 0; 1862 unsigned int journal_blocks; 1863 unsigned int i; 1864 int val, hash_alg; 1865 int flags; 1866 int old_bitmaps; 1867 io_manager io_ptr; 1868 char tdb_string[40]; 1869 char *hash_alg_str; 1870 1871#ifdef ENABLE_NLS 1872 setlocale(LC_MESSAGES, ""); 1873 setlocale(LC_CTYPE, ""); 1874 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 1875 textdomain(NLS_CAT_NAME); 1876#endif 1877 PRS(argc, argv); 1878 1879#ifdef CONFIG_TESTIO_DEBUG 1880 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1881 io_ptr = test_io_manager; 1882 test_io_backing_manager = unix_io_manager; 1883 } else 1884#endif 1885 io_ptr = unix_io_manager; 1886 1887 if (should_do_undo(device_name)) { 1888 retval = mke2fs_setup_tdb(device_name, &io_ptr); 1889 if (retval) 1890 exit(1); 1891 } 1892 1893 /* 1894 * Initialize the superblock.... 1895 */ 1896 flags = EXT2_FLAG_EXCLUSIVE; 1897 profile_get_boolean(profile, "options", "old_bitmaps", 0, 0, 1898 &old_bitmaps); 1899 if (!old_bitmaps) 1900 flags |= EXT2_FLAG_64BITS; 1901 /* 1902 * By default, we print how many inode tables or block groups 1903 * or whatever we've written so far. The quiet flag disables 1904 * this, along with a lot of other output. 1905 */ 1906 if (!quiet) 1907 flags |= EXT2_FLAG_PRINT_PROGRESS; 1908 retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs); 1909 if (retval) { 1910 com_err(device_name, retval, _("while setting up superblock")); 1911 exit(1); 1912 } 1913 1914 sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? 1915 32768 : fs->blocksize * 8); 1916 io_channel_set_options(fs->io, tdb_string); 1917 1918 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) 1919 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; 1920 1921 if ((fs_param.s_feature_incompat & 1922 (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) || 1923 (fs_param.s_feature_ro_compat & 1924 (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM| 1925 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 1926 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE))) 1927 fs->super->s_kbytes_written = 1; 1928 1929 /* 1930 * Wipe out the old on-disk superblock 1931 */ 1932 if (!noaction) 1933 zap_sector(fs, 2, 6); 1934 1935 /* 1936 * Parse or generate a UUID for the filesystem 1937 */ 1938 if (fs_uuid) { 1939 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) { 1940 com_err(device_name, 0, "could not parse UUID: %s\n", 1941 fs_uuid); 1942 exit(1); 1943 } 1944 } else 1945 uuid_generate(fs->super->s_uuid); 1946 1947 /* 1948 * Initialize the directory index variables 1949 */ 1950 hash_alg_str = get_string_from_profile(fs_types, "hash_alg", 1951 "half_md4"); 1952 hash_alg = e2p_string2hash(hash_alg_str); 1953 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg : 1954 EXT2_HASH_HALF_MD4; 1955 uuid_generate((unsigned char *) fs->super->s_hash_seed); 1956 1957 /* 1958 * Add "jitter" to the superblock's check interval so that we 1959 * don't check all the filesystems at the same time. We use a 1960 * kludgy hack of using the UUID to derive a random jitter value. 1961 */ 1962 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) 1963 val += fs->super->s_uuid[i]; 1964 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; 1965 1966 /* 1967 * Override the creator OS, if applicable 1968 */ 1969 if (creator_os && !set_os(fs->super, creator_os)) { 1970 com_err (program_name, 0, _("unknown os - %s"), creator_os); 1971 exit(1); 1972 } 1973 1974 /* 1975 * For the Hurd, we will turn off filetype since it doesn't 1976 * support it. 1977 */ 1978 if (fs->super->s_creator_os == EXT2_OS_HURD) 1979 fs->super->s_feature_incompat &= 1980 ~EXT2_FEATURE_INCOMPAT_FILETYPE; 1981 1982 /* 1983 * Set the volume label... 1984 */ 1985 if (volume_label) { 1986 memset(fs->super->s_volume_name, 0, 1987 sizeof(fs->super->s_volume_name)); 1988 strncpy(fs->super->s_volume_name, volume_label, 1989 sizeof(fs->super->s_volume_name)); 1990 } 1991 1992 /* 1993 * Set the last mount directory 1994 */ 1995 if (mount_dir) { 1996 memset(fs->super->s_last_mounted, 0, 1997 sizeof(fs->super->s_last_mounted)); 1998 strncpy(fs->super->s_last_mounted, mount_dir, 1999 sizeof(fs->super->s_last_mounted)); 2000 } 2001 2002 if (!quiet || noaction) 2003 show_stats(fs); 2004 2005 if (noaction) 2006 exit(0); 2007 2008 if (fs->super->s_feature_incompat & 2009 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 2010 create_journal_dev(fs); 2011 exit(ext2fs_close(fs) ? 1 : 0); 2012 } 2013 2014 if (bad_blocks_filename) 2015 read_bb_file(fs, &bb_list, bad_blocks_filename); 2016 if (cflag) 2017 test_disk(fs, &bb_list); 2018 2019 handle_bad_blocks(fs, bb_list); 2020 fs->stride = fs_stride = fs->super->s_raid_stride; 2021 if (!quiet) 2022 printf(_("Allocating group tables: ")); 2023 retval = ext2fs_allocate_tables(fs); 2024 if (retval) { 2025 com_err(program_name, retval, 2026 _("while trying to allocate filesystem tables")); 2027 exit(1); 2028 } 2029 if (!quiet) 2030 printf(_("done \n")); 2031 if (super_only) { 2032 fs->super->s_state |= EXT2_ERROR_FS; 2033 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); 2034 } else { 2035 /* rsv must be a power of two (64kB is MD RAID sb alignment) */ 2036 unsigned int rsv = 65536 / fs->blocksize; 2037 unsigned long blocks = ext2fs_blocks_count(fs->super); 2038 unsigned long start; 2039 blk_t ret_blk; 2040 2041#ifdef ZAP_BOOTBLOCK 2042 zap_sector(fs, 0, 2); 2043#endif 2044 2045 /* 2046 * Wipe out any old MD RAID (or other) metadata at the end 2047 * of the device. This will also verify that the device is 2048 * as large as we think. Be careful with very small devices. 2049 */ 2050 start = (blocks & ~(rsv - 1)); 2051 if (start > rsv) 2052 start -= rsv; 2053 if (start > 0) 2054 retval = ext2fs_zero_blocks(fs, start, blocks - start, 2055 &ret_blk, NULL); 2056 2057 if (retval) { 2058 com_err(program_name, retval, 2059 _("while zeroing block %u at end of filesystem"), 2060 ret_blk); 2061 } 2062 write_inode_tables(fs, lazy_itable_init); 2063 create_root_dir(fs); 2064 create_lost_and_found(fs); 2065 reserve_inodes(fs); 2066 create_bad_block_inode(fs, bb_list); 2067 if (fs->super->s_feature_compat & 2068 EXT2_FEATURE_COMPAT_RESIZE_INODE) { 2069 retval = ext2fs_create_resize_inode(fs); 2070 if (retval) { 2071 com_err("ext2fs_create_resize_inode", retval, 2072 _("while reserving blocks for online resize")); 2073 exit(1); 2074 } 2075 } 2076 } 2077 2078 if (journal_device) { 2079 ext2_filsys jfs; 2080 2081 if (!force) 2082 check_plausibility(journal_device); 2083 check_mount(journal_device, force, _("journal")); 2084 2085 retval = ext2fs_open(journal_device, EXT2_FLAG_RW| 2086 EXT2_FLAG_JOURNAL_DEV_OK, 0, 2087 fs->blocksize, unix_io_manager, &jfs); 2088 if (retval) { 2089 com_err(program_name, retval, 2090 _("while trying to open journal device %s\n"), 2091 journal_device); 2092 exit(1); 2093 } 2094 if (!quiet) { 2095 printf(_("Adding journal to device %s: "), 2096 journal_device); 2097 fflush(stdout); 2098 } 2099 retval = ext2fs_add_journal_device(fs, jfs); 2100 if(retval) { 2101 com_err (program_name, retval, 2102 _("\n\twhile trying to add journal to device %s"), 2103 journal_device); 2104 exit(1); 2105 } 2106 if (!quiet) 2107 printf(_("done\n")); 2108 ext2fs_close(jfs); 2109 free(journal_device); 2110 } else if ((journal_size) || 2111 (fs_param.s_feature_compat & 2112 EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { 2113 journal_blocks = figure_journal_size(journal_size, fs); 2114 2115 if (super_only) { 2116 printf(_("Skipping journal creation in super-only mode\n")); 2117 fs->super->s_journal_inum = EXT2_JOURNAL_INO; 2118 goto no_journal; 2119 } 2120 2121 if (!journal_blocks) { 2122 fs->super->s_feature_compat &= 2123 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 2124 goto no_journal; 2125 } 2126 if (!quiet) { 2127 printf(_("Creating journal (%u blocks): "), 2128 journal_blocks); 2129 fflush(stdout); 2130 } 2131 retval = ext2fs_add_journal_inode(fs, journal_blocks, 2132 journal_flags); 2133 if (retval) { 2134 com_err (program_name, retval, 2135 _("\n\twhile trying to create journal")); 2136 exit(1); 2137 } 2138 if (!quiet) 2139 printf(_("done\n")); 2140 } 2141no_journal: 2142 2143 if (!quiet) 2144 printf(_("Writing superblocks and " 2145 "filesystem accounting information: ")); 2146 retval = ext2fs_flush(fs); 2147 if (retval) { 2148 fprintf(stderr, 2149 _("\nWarning, had trouble writing out superblocks.")); 2150 } 2151 if (!quiet) { 2152 printf(_("done\n\n")); 2153 if (!getenv("MKE2FS_SKIP_CHECK_MSG")) 2154 print_check_message(fs); 2155 } 2156 val = ext2fs_close(fs); 2157 remove_error_table(&et_ext2_error_table); 2158 remove_error_table(&et_prof_error_table); 2159 profile_release(profile); 2160 return (retval || val) ? 1 : 0; 2161} 2162