mke2fs.c revision c5b23f6c0e17503630455fb16d1b2035f844acc9
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 <sys/stat.h> 51#include <libgen.h> 52#include <limits.h> 53#include <blkid/blkid.h> 54 55#include "ext2fs/ext2_fs.h" 56#include "ext2fs/ext2fsP.h" 57#include "et/com_err.h" 58#include "uuid/uuid.h" 59#include "e2p/e2p.h" 60#include "ext2fs/ext2fs.h" 61#include "util.h" 62#include "profile.h" 63#include "prof_err.h" 64#include "../version.h" 65#include "nls-enable.h" 66 67#define STRIDE_LENGTH 8 68 69#ifndef __sparc__ 70#define ZAP_BOOTBLOCK 71#endif 72 73extern int isatty(int); 74extern FILE *fpopen(const char *cmd, const char *mode); 75 76const char * program_name = "mke2fs"; 77const char * device_name /* = NULL */; 78 79/* Command line options */ 80int cflag; 81int verbose; 82int quiet; 83int super_only; 84int discard = 1; 85int force; 86int noaction; 87int journal_size; 88int journal_flags; 89int lazy_itable_init; 90char *bad_blocks_filename; 91__u32 fs_stride; 92 93struct ext2_super_block fs_param; 94char *fs_uuid = NULL; 95char *creator_os; 96char *volume_label; 97char *mount_dir; 98char *journal_device; 99int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ 100char **fs_types; 101 102profile_t profile; 103 104int sys_page_size = 4096; 105int linux_version_code = 0; 106 107static void usage(void) 108{ 109 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " 110 "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] " 111 "[-J journal-options]\n" 112 "\t[-G meta group size] [-N number-of-inodes]\n" 113 "\t[-m reserved-blocks-percentage] [-o creator-os]\n" 114 "\t[-g blocks-per-group] [-L volume-label] " 115 "[-M last-mounted-directory]\n\t[-O feature[,...]] " 116 "[-r fs-revision] [-E extended-option[,...]]\n" 117 "\t[-T fs-type] [-U UUID] [-jnqvFKSV] device [blocks-count]\n"), 118 program_name); 119 exit(1); 120} 121 122static int int_log2(int arg) 123{ 124 int l = 0; 125 126 arg >>= 1; 127 while (arg) { 128 l++; 129 arg >>= 1; 130 } 131 return l; 132} 133 134static int int_log10(unsigned int arg) 135{ 136 int l; 137 138 for (l=0; arg ; l++) 139 arg = arg / 10; 140 return l; 141} 142 143static int parse_version_number(const char *s) 144{ 145 int major, minor, rev; 146 char *endptr; 147 const char *cp = s; 148 149 if (!s) 150 return 0; 151 major = strtol(cp, &endptr, 10); 152 if (cp == endptr || *endptr != '.') 153 return 0; 154 cp = endptr + 1; 155 minor = strtol(cp, &endptr, 10); 156 if (cp == endptr || *endptr != '.') 157 return 0; 158 cp = endptr + 1; 159 rev = strtol(cp, &endptr, 10); 160 if (cp == endptr) 161 return 0; 162 return ((((major * 256) + minor) * 256) + rev); 163} 164 165/* 166 * Helper function for read_bb_file and test_disk 167 */ 168static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) 169{ 170 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); 171 return; 172} 173 174/* 175 * Reads the bad blocks list from a file 176 */ 177static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, 178 const char *bad_blocks_file) 179{ 180 FILE *f; 181 errcode_t retval; 182 183 f = fopen(bad_blocks_file, "r"); 184 if (!f) { 185 com_err("read_bad_blocks_file", errno, 186 _("while trying to open %s"), bad_blocks_file); 187 exit(1); 188 } 189 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 190 fclose (f); 191 if (retval) { 192 com_err("ext2fs_read_bb_FILE", retval, 193 _("while reading in list of bad blocks from file")); 194 exit(1); 195 } 196} 197 198/* 199 * Runs the badblocks program to test the disk 200 */ 201static void test_disk(ext2_filsys fs, badblocks_list *bb_list) 202{ 203 FILE *f; 204 errcode_t retval; 205 char buf[1024]; 206 207 sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize, 208 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", 209 fs->device_name, ext2fs_blocks_count(fs->super)-1); 210 if (verbose) 211 printf(_("Running command: %s\n"), buf); 212 f = popen(buf, "r"); 213 if (!f) { 214 com_err("popen", errno, 215 _("while trying to run '%s'"), buf); 216 exit(1); 217 } 218 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 219 pclose(f); 220 if (retval) { 221 com_err("ext2fs_read_bb_FILE", retval, 222 _("while processing list of bad blocks from program")); 223 exit(1); 224 } 225} 226 227static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) 228{ 229 dgrp_t i; 230 blk_t j; 231 unsigned must_be_good; 232 blk_t blk; 233 badblocks_iterate bb_iter; 234 errcode_t retval; 235 blk_t group_block; 236 int group; 237 int group_bad; 238 239 if (!bb_list) 240 return; 241 242 /* 243 * The primary superblock and group descriptors *must* be 244 * good; if not, abort. 245 */ 246 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; 247 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { 248 if (ext2fs_badblocks_list_test(bb_list, i)) { 249 fprintf(stderr, _("Block %d in primary " 250 "superblock/group descriptor area bad.\n"), i); 251 fprintf(stderr, _("Blocks %u through %u must be good " 252 "in order to build a filesystem.\n"), 253 fs->super->s_first_data_block, must_be_good); 254 fputs(_("Aborting....\n"), stderr); 255 exit(1); 256 } 257 } 258 259 /* 260 * See if any of the bad blocks are showing up in the backup 261 * superblocks and/or group descriptors. If so, issue a 262 * warning and adjust the block counts appropriately. 263 */ 264 group_block = fs->super->s_first_data_block + 265 fs->super->s_blocks_per_group; 266 267 for (i = 1; i < fs->group_desc_count; i++) { 268 group_bad = 0; 269 for (j=0; j < fs->desc_blocks+1; j++) { 270 if (ext2fs_badblocks_list_test(bb_list, 271 group_block + j)) { 272 if (!group_bad) 273 fprintf(stderr, 274_("Warning: the backup superblock/group descriptors at block %u contain\n" 275" bad blocks.\n\n"), 276 group_block); 277 group_bad++; 278 group = ext2fs_group_of_blk2(fs, group_block+j); 279 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1); 280 ext2fs_group_desc_csum_set(fs, group); 281 ext2fs_free_blocks_count_add(fs->super, 1); 282 } 283 } 284 group_block += fs->super->s_blocks_per_group; 285 } 286 287 /* 288 * Mark all the bad blocks as used... 289 */ 290 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); 291 if (retval) { 292 com_err("ext2fs_badblocks_list_iterate_begin", retval, 293 _("while marking bad blocks as used")); 294 exit(1); 295 } 296 while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) 297 ext2fs_mark_block_bitmap2(fs->block_map, blk); 298 ext2fs_badblocks_list_iterate_end(bb_iter); 299} 300 301static void write_inode_tables(ext2_filsys fs, int lazy_flag) 302{ 303 errcode_t retval; 304 blk_t blk; 305 dgrp_t i; 306 int num, ipb; 307 struct ext2fs_numeric_progress_struct progress; 308 309 ext2fs_numeric_progress_init(fs, &progress, 310 _("Writing inode tables: "), 311 fs->group_desc_count); 312 313 for (i = 0; i < fs->group_desc_count; i++) { 314 ext2fs_numeric_progress_update(fs, &progress, i); 315 316 blk = ext2fs_inode_table_loc(fs, i); 317 num = fs->inode_blocks_per_group; 318 319 if (lazy_flag) { 320 ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super); 321 num = ((((fs->super->s_inodes_per_group - 322 ext2fs_bg_itable_unused(fs, i)) * 323 EXT2_INODE_SIZE(fs->super)) + 324 EXT2_BLOCK_SIZE(fs->super) - 1) / 325 EXT2_BLOCK_SIZE(fs->super)); 326 } else { 327 /* The kernel doesn't need to zero the itable blocks */ 328 ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED); 329 ext2fs_group_desc_csum_set(fs, i); 330 } 331 retval = ext2fs_zero_blocks(fs, blk, num, &blk, &num); 332 if (retval) { 333 fprintf(stderr, _("\nCould not write %d " 334 "blocks in inode table starting at %u: %s\n"), 335 num, blk, error_message(retval)); 336 exit(1); 337 } 338 if (sync_kludge) { 339 if (sync_kludge == 1) 340 sync(); 341 else if ((i % sync_kludge) == 0) 342 sync(); 343 } 344 } 345 ext2fs_zero_blocks(0, 0, 0, 0, 0); 346 ext2fs_numeric_progress_close(fs, &progress, 347 _("done \n")); 348} 349 350static void create_root_dir(ext2_filsys fs) 351{ 352 errcode_t retval; 353 struct ext2_inode inode; 354 __u32 uid, gid; 355 356 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); 357 if (retval) { 358 com_err("ext2fs_mkdir", retval, _("while creating root dir")); 359 exit(1); 360 } 361 if (geteuid()) { 362 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); 363 if (retval) { 364 com_err("ext2fs_read_inode", retval, 365 _("while reading root inode")); 366 exit(1); 367 } 368 uid = getuid(); 369 inode.i_uid = uid; 370 ext2fs_set_i_uid_high(inode, uid >> 16); 371 if (uid) { 372 gid = getgid(); 373 inode.i_gid = gid; 374 ext2fs_set_i_gid_high(inode, gid >> 16); 375 } 376 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); 377 if (retval) { 378 com_err("ext2fs_write_inode", retval, 379 _("while setting root inode ownership")); 380 exit(1); 381 } 382 } 383} 384 385static void create_lost_and_found(ext2_filsys fs) 386{ 387 unsigned int lpf_size = 0; 388 errcode_t retval; 389 ext2_ino_t ino; 390 const char *name = "lost+found"; 391 int i; 392 393 fs->umask = 077; 394 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); 395 if (retval) { 396 com_err("ext2fs_mkdir", retval, 397 _("while creating /lost+found")); 398 exit(1); 399 } 400 401 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); 402 if (retval) { 403 com_err("ext2_lookup", retval, 404 _("while looking up /lost+found")); 405 exit(1); 406 } 407 408 for (i=1; i < EXT2_NDIR_BLOCKS; i++) { 409 /* Ensure that lost+found is at least 2 blocks, so we always 410 * test large empty blocks for big-block filesystems. */ 411 if ((lpf_size += fs->blocksize) >= 16*1024 && 412 lpf_size >= 2 * fs->blocksize) 413 break; 414 retval = ext2fs_expand_dir(fs, ino); 415 if (retval) { 416 com_err("ext2fs_expand_dir", retval, 417 _("while expanding /lost+found")); 418 exit(1); 419 } 420 } 421} 422 423static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) 424{ 425 errcode_t retval; 426 427 ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO); 428 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); 429 retval = ext2fs_update_bb_inode(fs, bb_list); 430 if (retval) { 431 com_err("ext2fs_update_bb_inode", retval, 432 _("while setting bad block inode")); 433 exit(1); 434 } 435 436} 437 438static void reserve_inodes(ext2_filsys fs) 439{ 440 ext2_ino_t i; 441 442 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) 443 ext2fs_inode_alloc_stats2(fs, i, +1, 0); 444 ext2fs_mark_ib_dirty(fs); 445} 446 447#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ 448#define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ 449#define BSD_LABEL_OFFSET 64 450 451static void zap_sector(ext2_filsys fs, int sect, int nsect) 452{ 453 char *buf; 454 int retval; 455 unsigned int *magic; 456 457 buf = malloc(512*nsect); 458 if (!buf) { 459 printf(_("Out of memory erasing sectors %d-%d\n"), 460 sect, sect + nsect - 1); 461 exit(1); 462 } 463 464 if (sect == 0) { 465 /* Check for a BSD disklabel, and don't erase it if so */ 466 retval = io_channel_read_blk64(fs->io, 0, -512, buf); 467 if (retval) 468 fprintf(stderr, 469 _("Warning: could not read block 0: %s\n"), 470 error_message(retval)); 471 else { 472 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); 473 if ((*magic == BSD_DISKMAGIC) || 474 (*magic == BSD_MAGICDISK)) 475 return; 476 } 477 } 478 479 memset(buf, 0, 512*nsect); 480 io_channel_set_blksize(fs->io, 512); 481 retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf); 482 io_channel_set_blksize(fs->io, fs->blocksize); 483 free(buf); 484 if (retval) 485 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), 486 sect, error_message(retval)); 487} 488 489static void create_journal_dev(ext2_filsys fs) 490{ 491 struct ext2fs_numeric_progress_struct progress; 492 errcode_t retval; 493 char *buf; 494 blk_t blk, err_blk; 495 int c, count, err_count; 496 497 retval = ext2fs_create_journal_superblock(fs, 498 ext2fs_blocks_count(fs->super), 0, &buf); 499 if (retval) { 500 com_err("create_journal_dev", retval, 501 _("while initializing journal superblock")); 502 exit(1); 503 } 504 ext2fs_numeric_progress_init(fs, &progress, 505 _("Zeroing journal device: "), 506 ext2fs_blocks_count(fs->super)); 507 blk = 0; 508 count = ext2fs_blocks_count(fs->super); 509 while (count > 0) { 510 if (count > 1024) 511 c = 1024; 512 else 513 c = count; 514 retval = ext2fs_zero_blocks(fs, blk, c, &err_blk, &err_count); 515 if (retval) { 516 com_err("create_journal_dev", retval, 517 _("while zeroing journal device " 518 "(block %u, count %d)"), 519 err_blk, err_count); 520 exit(1); 521 } 522 blk += c; 523 count -= c; 524 ext2fs_numeric_progress_update(fs, &progress, blk); 525 } 526 ext2fs_zero_blocks(0, 0, 0, 0, 0); 527 528 retval = io_channel_write_blk64(fs->io, 529 fs->super->s_first_data_block+1, 530 1, buf); 531 if (retval) { 532 com_err("create_journal_dev", retval, 533 _("while writing journal superblock")); 534 exit(1); 535 } 536 ext2fs_numeric_progress_close(fs, &progress, NULL); 537} 538 539static void show_stats(ext2_filsys fs) 540{ 541 struct ext2_super_block *s = fs->super; 542 char buf[80]; 543 char *os; 544 blk_t group_block; 545 dgrp_t i; 546 int need, col_left; 547 548 if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s)) 549 fprintf(stderr, _("warning: %llu blocks unused.\n\n"), 550 ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s)); 551 552 memset(buf, 0, sizeof(buf)); 553 strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); 554 printf(_("Filesystem label=%s\n"), buf); 555 fputs(_("OS type: "), stdout); 556 os = e2p_os2string(fs->super->s_creator_os); 557 fputs(os, stdout); 558 free(os); 559 printf("\n"); 560 printf(_("Block size=%u (log=%u)\n"), fs->blocksize, 561 s->s_log_block_size); 562 printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize, 563 s->s_log_frag_size); 564 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"), 565 s->s_raid_stride, s->s_raid_stripe_width); 566 printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count, 567 ext2fs_blocks_count(s)); 568 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"), 569 ext2fs_r_blocks_count(s), 570 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s)); 571 printf(_("First data block=%u\n"), s->s_first_data_block); 572 if (s->s_reserved_gdt_blocks) 573 printf(_("Maximum filesystem blocks=%lu\n"), 574 (s->s_reserved_gdt_blocks + fs->desc_blocks) * 575 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); 576 if (fs->group_desc_count > 1) 577 printf(_("%u block groups\n"), fs->group_desc_count); 578 else 579 printf(_("%u block group\n"), fs->group_desc_count); 580 printf(_("%u blocks per group, %u fragments per group\n"), 581 s->s_blocks_per_group, s->s_frags_per_group); 582 printf(_("%u inodes per group\n"), s->s_inodes_per_group); 583 584 if (fs->group_desc_count == 1) { 585 printf("\n"); 586 return; 587 } 588 589 printf(_("Superblock backups stored on blocks: ")); 590 group_block = s->s_first_data_block; 591 col_left = 0; 592 for (i = 1; i < fs->group_desc_count; i++) { 593 group_block += s->s_blocks_per_group; 594 if (!ext2fs_bg_has_super(fs, i)) 595 continue; 596 if (i != 1) 597 printf(", "); 598 need = int_log10(group_block) + 2; 599 if (need > col_left) { 600 printf("\n\t"); 601 col_left = 72; 602 } 603 col_left -= need; 604 printf("%u", group_block); 605 } 606 printf("\n\n"); 607} 608 609/* 610 * Set the S_CREATOR_OS field. Return true if OS is known, 611 * otherwise, 0. 612 */ 613static int set_os(struct ext2_super_block *sb, char *os) 614{ 615 if (isdigit (*os)) 616 sb->s_creator_os = atoi (os); 617 else if (strcasecmp(os, "linux") == 0) 618 sb->s_creator_os = EXT2_OS_LINUX; 619 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) 620 sb->s_creator_os = EXT2_OS_HURD; 621 else if (strcasecmp(os, "freebsd") == 0) 622 sb->s_creator_os = EXT2_OS_FREEBSD; 623 else if (strcasecmp(os, "lites") == 0) 624 sb->s_creator_os = EXT2_OS_LITES; 625 else 626 return 0; 627 return 1; 628} 629 630#define PATH_SET "PATH=/sbin" 631 632static void parse_extended_opts(struct ext2_super_block *param, 633 const char *opts) 634{ 635 char *buf, *token, *next, *p, *arg, *badopt = 0; 636 int len; 637 int r_usage = 0; 638 639 len = strlen(opts); 640 buf = malloc(len+1); 641 if (!buf) { 642 fprintf(stderr, 643 _("Couldn't allocate memory to parse options!\n")); 644 exit(1); 645 } 646 strcpy(buf, opts); 647 for (token = buf; token && *token; token = next) { 648 p = strchr(token, ','); 649 next = 0; 650 if (p) { 651 *p = 0; 652 next = p+1; 653 } 654 arg = strchr(token, '='); 655 if (arg) { 656 *arg = 0; 657 arg++; 658 } 659 if (strcmp(token, "stride") == 0) { 660 if (!arg) { 661 r_usage++; 662 badopt = token; 663 continue; 664 } 665 param->s_raid_stride = strtoul(arg, &p, 0); 666 if (*p || (param->s_raid_stride == 0)) { 667 fprintf(stderr, 668 _("Invalid stride parameter: %s\n"), 669 arg); 670 r_usage++; 671 continue; 672 } 673 } else if (strcmp(token, "stripe-width") == 0 || 674 strcmp(token, "stripe_width") == 0) { 675 if (!arg) { 676 r_usage++; 677 badopt = token; 678 continue; 679 } 680 param->s_raid_stripe_width = strtoul(arg, &p, 0); 681 if (*p || (param->s_raid_stripe_width == 0)) { 682 fprintf(stderr, 683 _("Invalid stripe-width parameter: %s\n"), 684 arg); 685 r_usage++; 686 continue; 687 } 688 } else if (!strcmp(token, "resize")) { 689 unsigned long resize, bpg, rsv_groups; 690 unsigned long group_desc_count, desc_blocks; 691 unsigned int gdpb, blocksize; 692 int rsv_gdb; 693 694 if (!arg) { 695 r_usage++; 696 badopt = token; 697 continue; 698 } 699 700 resize = parse_num_blocks(arg, 701 param->s_log_block_size); 702 703 if (resize == 0) { 704 fprintf(stderr, 705 _("Invalid resize parameter: %s\n"), 706 arg); 707 r_usage++; 708 continue; 709 } 710 if (resize <= ext2fs_blocks_count(param)) { 711 fprintf(stderr, 712 _("The resize maximum must be greater " 713 "than the filesystem size.\n")); 714 r_usage++; 715 continue; 716 } 717 718 blocksize = EXT2_BLOCK_SIZE(param); 719 bpg = param->s_blocks_per_group; 720 if (!bpg) 721 bpg = blocksize * 8; 722 gdpb = EXT2_DESC_PER_BLOCK(param); 723 group_desc_count = (__u32) ext2fs_div64_ceil( 724 ext2fs_blocks_count(param), bpg); 725 desc_blocks = (group_desc_count + 726 gdpb - 1) / gdpb; 727 rsv_groups = ext2fs_div_ceil(resize, bpg); 728 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - 729 desc_blocks; 730 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) 731 rsv_gdb = EXT2_ADDR_PER_BLOCK(param); 732 733 if (rsv_gdb > 0) { 734 if (param->s_rev_level == EXT2_GOOD_OLD_REV) { 735 fprintf(stderr, 736 _("On-line resizing not supported with revision 0 filesystems\n")); 737 free(buf); 738 exit(1); 739 } 740 param->s_feature_compat |= 741 EXT2_FEATURE_COMPAT_RESIZE_INODE; 742 743 param->s_reserved_gdt_blocks = rsv_gdb; 744 } 745 } else if (!strcmp(token, "test_fs")) { 746 param->s_flags |= EXT2_FLAGS_TEST_FILESYS; 747 } else if (!strcmp(token, "lazy_itable_init")) { 748 if (arg) 749 lazy_itable_init = strtoul(arg, &p, 0); 750 else 751 lazy_itable_init = 1; 752 } else { 753 r_usage++; 754 badopt = token; 755 } 756 } 757 if (r_usage) { 758 fprintf(stderr, _("\nBad option(s) specified: %s\n\n" 759 "Extended options are separated by commas, " 760 "and may take an argument which\n" 761 "\tis set off by an equals ('=') sign.\n\n" 762 "Valid extended options are:\n" 763 "\tstride=<RAID per-disk data chunk in blocks>\n" 764 "\tstripe-width=<RAID stride * data disks in blocks>\n" 765 "\tresize=<resize maximum size in blocks>\n" 766 "\tlazy_itable_init=<0 to disable, 1 to enable>\n" 767 "\ttest_fs\n\n"), 768 badopt ? badopt : ""); 769 free(buf); 770 exit(1); 771 } 772 if (param->s_raid_stride && 773 (param->s_raid_stripe_width % param->s_raid_stride) != 0) 774 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " 775 "multiple of stride %u.\n\n"), 776 param->s_raid_stripe_width, param->s_raid_stride); 777 778 free(buf); 779} 780 781static __u32 ok_features[3] = { 782 /* Compat */ 783 EXT3_FEATURE_COMPAT_HAS_JOURNAL | 784 EXT2_FEATURE_COMPAT_RESIZE_INODE | 785 EXT2_FEATURE_COMPAT_DIR_INDEX | 786 EXT2_FEATURE_COMPAT_EXT_ATTR, 787 /* Incompat */ 788 EXT2_FEATURE_INCOMPAT_FILETYPE| 789 EXT3_FEATURE_INCOMPAT_EXTENTS| 790 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| 791 EXT2_FEATURE_INCOMPAT_META_BG| 792 EXT4_FEATURE_INCOMPAT_FLEX_BG, 793 /* R/O compat */ 794 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| 795 EXT4_FEATURE_RO_COMPAT_HUGE_FILE| 796 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 797 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| 798 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| 799 EXT4_FEATURE_RO_COMPAT_GDT_CSUM 800}; 801 802 803static void syntax_err_report(const char *filename, long err, int line_num) 804{ 805 fprintf(stderr, 806 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), 807 filename, line_num, error_message(err)); 808 exit(1); 809} 810 811static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; 812 813static void edit_feature(const char *str, __u32 *compat_array) 814{ 815 if (!str) 816 return; 817 818 if (e2p_edit_feature(str, compat_array, ok_features)) { 819 fprintf(stderr, _("Invalid filesystem option set: %s\n"), 820 str); 821 exit(1); 822 } 823} 824 825struct str_list { 826 char **list; 827 int num; 828 int max; 829}; 830 831static errcode_t init_list(struct str_list *sl) 832{ 833 sl->num = 0; 834 sl->max = 0; 835 sl->list = malloc((sl->max+1) * sizeof(char *)); 836 if (!sl->list) 837 return ENOMEM; 838 sl->list[0] = 0; 839 return 0; 840} 841 842static errcode_t push_string(struct str_list *sl, const char *str) 843{ 844 char **new_list; 845 846 if (sl->num >= sl->max) { 847 sl->max += 2; 848 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); 849 if (!new_list) 850 return ENOMEM; 851 sl->list = new_list; 852 } 853 sl->list[sl->num] = malloc(strlen(str)+1); 854 if (sl->list[sl->num] == 0) 855 return ENOMEM; 856 strcpy(sl->list[sl->num], str); 857 sl->num++; 858 sl->list[sl->num] = 0; 859 return 0; 860} 861 862static void print_str_list(char **list) 863{ 864 char **cpp; 865 866 for (cpp = list; *cpp; cpp++) { 867 printf("'%s'", *cpp); 868 if (cpp[1]) 869 fputs(", ", stdout); 870 } 871 fputc('\n', stdout); 872} 873 874static char **parse_fs_type(const char *fs_type, 875 const char *usage_types, 876 struct ext2_super_block *fs_param, 877 char *progname) 878{ 879 const char *ext_type = 0; 880 char *parse_str; 881 char *profile_type = 0; 882 char *cp, *t; 883 const char *size_type; 884 struct str_list list; 885 unsigned long meg; 886 int is_hurd = 0; 887 888 if (init_list(&list)) 889 return 0; 890 891 if (creator_os && (!strcasecmp(creator_os, "GNU") || 892 !strcasecmp(creator_os, "hurd"))) 893 is_hurd = 1; 894 895 if (fs_type) 896 ext_type = fs_type; 897 else if (is_hurd) 898 ext_type = "ext2"; 899 else if (!strcmp(program_name, "mke3fs")) 900 ext_type = "ext3"; 901 else if (progname) { 902 ext_type = strrchr(progname, '/'); 903 if (ext_type) 904 ext_type++; 905 else 906 ext_type = progname; 907 908 if (!strncmp(ext_type, "mkfs.", 5)) { 909 ext_type += 5; 910 if (ext_type[0] == 0) 911 ext_type = 0; 912 } else 913 ext_type = 0; 914 } 915 916 if (!ext_type) { 917 profile_get_string(profile, "defaults", "fs_type", 0, 918 "ext2", &profile_type); 919 ext_type = profile_type; 920 if (!strcmp(ext_type, "ext2") && (journal_size != 0)) 921 ext_type = "ext3"; 922 } 923 924 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") || 925 !strcmp(ext_type, "ext4dev")) { 926 profile_get_string(profile, "fs_types", ext_type, "features", 927 0, &t); 928 if (!t) { 929 printf(_("\nWarning! Your mke2fs.conf file does " 930 "not define the %s filesystem type.\n"), 931 ext_type); 932 printf(_("You probably need to install an updated " 933 "mke2fs.conf file.\n\n")); 934 sleep(5); 935 } 936 } 937 938 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param); 939 if (ext2fs_blocks_count(fs_param) < 3 * meg) 940 size_type = "floppy"; 941 else if (ext2fs_blocks_count(fs_param) < 512 * meg) 942 size_type = "small"; 943 else 944 size_type = "default"; 945 946 if (!usage_types) 947 usage_types = size_type; 948 949 parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1); 950 if (!parse_str) { 951 free(list.list); 952 return 0; 953 } 954 if (usage_types) 955 strcpy(parse_str, usage_types); 956 else 957 *parse_str = '\0'; 958 959 if (ext_type) 960 push_string(&list, ext_type); 961 cp = parse_str; 962 while (1) { 963 t = strchr(cp, ','); 964 if (t) 965 *t = '\0'; 966 967 if (*cp) 968 push_string(&list, cp); 969 if (t) 970 cp = t+1; 971 else { 972 cp = ""; 973 break; 974 } 975 } 976 free(parse_str); 977 free(profile_type); 978 if (is_hurd) 979 push_string(&list, "hurd"); 980 return (list.list); 981} 982 983static char *get_string_from_profile(char **fs_types, const char *opt, 984 const char *def_val) 985{ 986 char *ret = 0; 987 int i; 988 989 for (i=0; fs_types[i]; i++); 990 for (i-=1; i >=0 ; i--) { 991 profile_get_string(profile, "fs_types", fs_types[i], 992 opt, 0, &ret); 993 if (ret) 994 return ret; 995 } 996 profile_get_string(profile, "defaults", opt, 0, def_val, &ret); 997 return (ret); 998} 999 1000static int get_int_from_profile(char **fs_types, const char *opt, int def_val) 1001{ 1002 int ret; 1003 char **cpp; 1004 1005 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); 1006 for (cpp = fs_types; *cpp; cpp++) 1007 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); 1008 return ret; 1009} 1010 1011static int get_bool_from_profile(char **fs_types, const char *opt, int def_val) 1012{ 1013 int ret; 1014 char **cpp; 1015 1016 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); 1017 for (cpp = fs_types; *cpp; cpp++) 1018 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); 1019 return ret; 1020} 1021 1022extern const char *mke2fs_default_profile; 1023static const char *default_files[] = { "<default>", 0 }; 1024 1025#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1026/* 1027 * Sets the geometry of a device (stripe/stride), and returns the 1028 * device's alignment offset, if any, or a negative error. 1029 */ 1030static int ext2fs_get_device_geometry(const char *file, 1031 struct ext2_super_block *fs_param) 1032{ 1033 int rc = -1; 1034 int blocksize; 1035 blkid_probe pr; 1036 blkid_topology tp; 1037 unsigned long min_io; 1038 unsigned long opt_io; 1039 struct stat statbuf; 1040 1041 /* Nothing to do for a regular file */ 1042 if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode)) 1043 return 0; 1044 1045 pr = blkid_new_probe_from_filename(file); 1046 if (!pr) 1047 goto out; 1048 1049 tp = blkid_probe_get_topology(pr); 1050 if (!tp) 1051 goto out; 1052 1053 min_io = blkid_topology_get_minimum_io_size(tp); 1054 opt_io = blkid_topology_get_optimal_io_size(tp); 1055 blocksize = EXT2_BLOCK_SIZE(fs_param); 1056 1057 fs_param->s_raid_stride = min_io / blocksize; 1058 fs_param->s_raid_stripe_width = opt_io / blocksize; 1059 1060 rc = blkid_topology_get_alignment_offset(tp); 1061out: 1062 blkid_free_probe(pr); 1063 return rc; 1064} 1065#endif 1066 1067static void PRS(int argc, char *argv[]) 1068{ 1069 int b, c; 1070 int size; 1071 char *tmp, **cpp; 1072 int blocksize = 0; 1073 int inode_ratio = 0; 1074 int inode_size = 0; 1075 unsigned long flex_bg_size = 0; 1076 double reserved_ratio = 5.0; 1077 int sector_size = 0; 1078 int show_version_only = 0; 1079 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ 1080 errcode_t retval; 1081 char * oldpath = getenv("PATH"); 1082 char * extended_opts = 0; 1083 const char * fs_type = 0; 1084 const char * usage_types = 0; 1085 blk_t dev_size; 1086#ifdef __linux__ 1087 struct utsname ut; 1088#endif 1089 long sysval; 1090 int s_opt = -1, r_opt = -1; 1091 char *fs_features = 0; 1092 int use_bsize; 1093 char *newpath; 1094 int pathlen = sizeof(PATH_SET) + 1; 1095 1096 if (oldpath) 1097 pathlen += strlen(oldpath); 1098 newpath = malloc(pathlen); 1099 strcpy(newpath, PATH_SET); 1100 1101 /* Update our PATH to include /sbin */ 1102 if (oldpath) { 1103 strcat (newpath, ":"); 1104 strcat (newpath, oldpath); 1105 } 1106 putenv (newpath); 1107 1108 tmp = getenv("MKE2FS_SYNC"); 1109 if (tmp) 1110 sync_kludge = atoi(tmp); 1111 1112 /* Determine the system page size if possible */ 1113#ifdef HAVE_SYSCONF 1114#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) 1115#define _SC_PAGESIZE _SC_PAGE_SIZE 1116#endif 1117#ifdef _SC_PAGESIZE 1118 sysval = sysconf(_SC_PAGESIZE); 1119 if (sysval > 0) 1120 sys_page_size = sysval; 1121#endif /* _SC_PAGESIZE */ 1122#endif /* HAVE_SYSCONF */ 1123 1124 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) 1125 config_fn[0] = tmp; 1126 profile_set_syntax_err_cb(syntax_err_report); 1127 retval = profile_init(config_fn, &profile); 1128 if (retval == ENOENT) { 1129 profile_init(default_files, &profile); 1130 profile_set_default(profile, mke2fs_default_profile); 1131 } 1132 1133 setbuf(stdout, NULL); 1134 setbuf(stderr, NULL); 1135 add_error_table(&et_ext2_error_table); 1136 add_error_table(&et_prof_error_table); 1137 memset(&fs_param, 0, sizeof(struct ext2_super_block)); 1138 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ 1139 1140#ifdef __linux__ 1141 if (uname(&ut)) { 1142 perror("uname"); 1143 exit(1); 1144 } 1145 linux_version_code = parse_version_number(ut.release); 1146 if (linux_version_code && linux_version_code < (2*65536 + 2*256)) 1147 fs_param.s_rev_level = 0; 1148#endif 1149 1150 if (argc && *argv) { 1151 program_name = get_progname(*argv); 1152 1153 /* If called as mkfs.ext3, create a journal inode */ 1154 if (!strcmp(program_name, "mkfs.ext3") || 1155 !strcmp(program_name, "mke3fs")) 1156 journal_size = -1; 1157 } 1158 1159 while ((c = getopt (argc, argv, 1160 "b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:KL:M:N:O:R:ST:U:V")) != EOF) { 1161 switch (c) { 1162 case 'b': 1163 blocksize = strtol(optarg, &tmp, 0); 1164 b = (blocksize > 0) ? blocksize : -blocksize; 1165 if (b < EXT2_MIN_BLOCK_SIZE || 1166 b > EXT2_MAX_BLOCK_SIZE || *tmp) { 1167 com_err(program_name, 0, 1168 _("invalid block size - %s"), optarg); 1169 exit(1); 1170 } 1171 if (blocksize > 4096) 1172 fprintf(stderr, _("Warning: blocksize %d not " 1173 "usable on most systems.\n"), 1174 blocksize); 1175 if (blocksize > 0) 1176 fs_param.s_log_block_size = 1177 int_log2(blocksize >> 1178 EXT2_MIN_BLOCK_LOG_SIZE); 1179 break; 1180 case 'c': /* Check for bad blocks */ 1181 cflag++; 1182 break; 1183 case 'f': 1184 size = strtoul(optarg, &tmp, 0); 1185 if (size < EXT2_MIN_BLOCK_SIZE || 1186 size > EXT2_MAX_BLOCK_SIZE || *tmp) { 1187 com_err(program_name, 0, 1188 _("invalid fragment size - %s"), 1189 optarg); 1190 exit(1); 1191 } 1192 fs_param.s_log_frag_size = 1193 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); 1194 fprintf(stderr, _("Warning: fragments not supported. " 1195 "Ignoring -f option\n")); 1196 break; 1197 case 'g': 1198 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); 1199 if (*tmp) { 1200 com_err(program_name, 0, 1201 _("Illegal number for blocks per group")); 1202 exit(1); 1203 } 1204 if ((fs_param.s_blocks_per_group % 8) != 0) { 1205 com_err(program_name, 0, 1206 _("blocks per group must be multiple of 8")); 1207 exit(1); 1208 } 1209 break; 1210 case 'G': 1211 flex_bg_size = strtoul(optarg, &tmp, 0); 1212 if (*tmp) { 1213 com_err(program_name, 0, 1214 _("Illegal number for flex_bg size")); 1215 exit(1); 1216 } 1217 if (flex_bg_size < 2 || 1218 (flex_bg_size & (flex_bg_size-1)) != 0) { 1219 com_err(program_name, 0, 1220 _("flex_bg size must be a power of 2")); 1221 exit(1); 1222 } 1223 break; 1224 case 'i': 1225 inode_ratio = strtoul(optarg, &tmp, 0); 1226 if (inode_ratio < EXT2_MIN_BLOCK_SIZE || 1227 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || 1228 *tmp) { 1229 com_err(program_name, 0, 1230 _("invalid inode ratio %s (min %d/max %d)"), 1231 optarg, EXT2_MIN_BLOCK_SIZE, 1232 EXT2_MAX_BLOCK_SIZE); 1233 exit(1); 1234 } 1235 break; 1236 case 'J': 1237 parse_journal_opts(optarg); 1238 break; 1239 case 'K': 1240 discard = 0; 1241 break; 1242 case 'j': 1243 if (!journal_size) 1244 journal_size = -1; 1245 break; 1246 case 'l': 1247 bad_blocks_filename = malloc(strlen(optarg)+1); 1248 if (!bad_blocks_filename) { 1249 com_err(program_name, ENOMEM, 1250 _("in malloc for bad_blocks_filename")); 1251 exit(1); 1252 } 1253 strcpy(bad_blocks_filename, optarg); 1254 break; 1255 case 'm': 1256 reserved_ratio = strtod(optarg, &tmp); 1257 if ( *tmp || reserved_ratio > 50 || 1258 reserved_ratio < 0) { 1259 com_err(program_name, 0, 1260 _("invalid reserved blocks percent - %s"), 1261 optarg); 1262 exit(1); 1263 } 1264 break; 1265 case 'n': 1266 noaction++; 1267 break; 1268 case 'o': 1269 creator_os = optarg; 1270 break; 1271 case 'q': 1272 quiet = 1; 1273 break; 1274 case 'r': 1275 r_opt = strtoul(optarg, &tmp, 0); 1276 if (*tmp) { 1277 com_err(program_name, 0, 1278 _("bad revision level - %s"), optarg); 1279 exit(1); 1280 } 1281 fs_param.s_rev_level = r_opt; 1282 break; 1283 case 's': /* deprecated */ 1284 s_opt = atoi(optarg); 1285 break; 1286 case 'I': 1287 inode_size = strtoul(optarg, &tmp, 0); 1288 if (*tmp) { 1289 com_err(program_name, 0, 1290 _("invalid inode size - %s"), optarg); 1291 exit(1); 1292 } 1293 break; 1294 case 'v': 1295 verbose = 1; 1296 break; 1297 case 'F': 1298 force++; 1299 break; 1300 case 'L': 1301 volume_label = optarg; 1302 break; 1303 case 'M': 1304 mount_dir = optarg; 1305 break; 1306 case 'N': 1307 num_inodes = strtoul(optarg, &tmp, 0); 1308 if (*tmp) { 1309 com_err(program_name, 0, 1310 _("bad num inodes - %s"), optarg); 1311 exit(1); 1312 } 1313 break; 1314 case 'O': 1315 fs_features = optarg; 1316 break; 1317 case 'E': 1318 case 'R': 1319 extended_opts = optarg; 1320 break; 1321 case 'S': 1322 super_only = 1; 1323 break; 1324 case 't': 1325 fs_type = optarg; 1326 break; 1327 case 'T': 1328 usage_types = optarg; 1329 break; 1330 case 'U': 1331 fs_uuid = optarg; 1332 break; 1333 case 'V': 1334 /* Print version number and exit */ 1335 show_version_only++; 1336 break; 1337 default: 1338 usage(); 1339 } 1340 } 1341 if ((optind == argc) && !show_version_only) 1342 usage(); 1343 device_name = argv[optind++]; 1344 1345 if (!quiet || show_version_only) 1346 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, 1347 E2FSPROGS_DATE); 1348 1349 if (show_version_only) { 1350 fprintf(stderr, _("\tUsing %s\n"), 1351 error_message(EXT2_ET_BASE)); 1352 exit(0); 1353 } 1354 1355 /* 1356 * If there's no blocksize specified and there is a journal 1357 * device, use it to figure out the blocksize 1358 */ 1359 if (blocksize <= 0 && journal_device) { 1360 ext2_filsys jfs; 1361 io_manager io_ptr; 1362 1363#ifdef CONFIG_TESTIO_DEBUG 1364 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1365 io_ptr = test_io_manager; 1366 test_io_backing_manager = unix_io_manager; 1367 } else 1368#endif 1369 io_ptr = unix_io_manager; 1370 retval = ext2fs_open(journal_device, 1371 EXT2_FLAG_JOURNAL_DEV_OK, 0, 1372 0, io_ptr, &jfs); 1373 if (retval) { 1374 com_err(program_name, retval, 1375 _("while trying to open journal device %s\n"), 1376 journal_device); 1377 exit(1); 1378 } 1379 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { 1380 com_err(program_name, 0, 1381 _("Journal dev blocksize (%d) smaller than " 1382 "minimum blocksize %d\n"), jfs->blocksize, 1383 -blocksize); 1384 exit(1); 1385 } 1386 blocksize = jfs->blocksize; 1387 printf(_("Using journal device's blocksize: %d\n"), blocksize); 1388 fs_param.s_log_block_size = 1389 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1390 ext2fs_close(jfs); 1391 } 1392 1393 if (blocksize > sys_page_size) { 1394 if (!force) { 1395 com_err(program_name, 0, 1396 _("%d-byte blocks too big for system (max %d)"), 1397 blocksize, sys_page_size); 1398 proceed_question(); 1399 } 1400 fprintf(stderr, _("Warning: %d-byte blocks too big for system " 1401 "(max %d), forced to continue\n"), 1402 blocksize, sys_page_size); 1403 } 1404 if (optind < argc) { 1405 ext2fs_blocks_count_set(&fs_param, parse_num_blocks(argv[optind++], 1406 fs_param.s_log_block_size)); 1407 if (!ext2fs_blocks_count(&fs_param)) { 1408 com_err(program_name, 0, _("invalid blocks count - %s"), 1409 argv[optind - 1]); 1410 exit(1); 1411 } 1412 } 1413 if (optind < argc) 1414 usage(); 1415 1416 if (!force) 1417 check_plausibility(device_name); 1418 check_mount(device_name, force, _("filesystem")); 1419 1420 fs_param.s_log_frag_size = fs_param.s_log_block_size; 1421 1422 if (noaction && ext2fs_blocks_count(&fs_param)) { 1423 dev_size = ext2fs_blocks_count(&fs_param); 1424 retval = 0; 1425 } else { 1426 retry: 1427 retval = ext2fs_get_device_size(device_name, 1428 EXT2_BLOCK_SIZE(&fs_param), 1429 &dev_size); 1430 if ((retval == EFBIG) && 1431 (blocksize == 0) && 1432 (fs_param.s_log_block_size == 0)) { 1433 fs_param.s_log_block_size = 2; 1434 blocksize = 4096; 1435 goto retry; 1436 } 1437 } 1438 1439 if (retval == EFBIG) { 1440 blk64_t big_dev_size; 1441 1442 if (blocksize < 4096) { 1443 fs_param.s_log_block_size = 2; 1444 blocksize = 4096; 1445 } 1446 retval = ext2fs_get_device_size2(device_name, 1447 EXT2_BLOCK_SIZE(&fs_param), &big_dev_size); 1448 if (retval) 1449 goto get_size_failure; 1450 if (big_dev_size == (1ULL << 32)) { 1451 dev_size = (blk_t) (big_dev_size - 1); 1452 goto got_size; 1453 } 1454 fprintf(stderr, _("%s: Size of device %s too big " 1455 "to be expressed in 32 bits\n\t" 1456 "using a blocksize of %d.\n"), 1457 program_name, device_name, EXT2_BLOCK_SIZE(&fs_param)); 1458 exit(1); 1459 } 1460get_size_failure: 1461 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { 1462 com_err(program_name, retval, 1463 _("while trying to determine filesystem size")); 1464 exit(1); 1465 } 1466got_size: 1467 if (!ext2fs_blocks_count(&fs_param)) { 1468 if (retval == EXT2_ET_UNIMPLEMENTED) { 1469 com_err(program_name, 0, 1470 _("Couldn't determine device size; you " 1471 "must specify\nthe size of the " 1472 "filesystem\n")); 1473 exit(1); 1474 } else { 1475 if (dev_size == 0) { 1476 com_err(program_name, 0, 1477 _("Device size reported to be zero. " 1478 "Invalid partition specified, or\n\t" 1479 "partition table wasn't reread " 1480 "after running fdisk, due to\n\t" 1481 "a modified partition being busy " 1482 "and in use. You may need to reboot\n\t" 1483 "to re-read your partition table.\n" 1484 )); 1485 exit(1); 1486 } 1487 ext2fs_blocks_count_set(&fs_param, dev_size); 1488 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) { 1489 blk64_t tmp = ext2fs_blocks_count(&fs_param); 1490 1491 tmp &= ~((blk64_t) ((sys_page_size / 1492 EXT2_BLOCK_SIZE(&fs_param))-1)); 1493 ext2fs_blocks_count_set(&fs_param, tmp); 1494 } 1495 } 1496 } else if (!force && (ext2fs_blocks_count(&fs_param) > dev_size)) { 1497 com_err(program_name, 0, 1498 _("Filesystem larger than apparent device size.")); 1499 proceed_question(); 1500 } 1501 1502 fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]); 1503 if (!fs_types) { 1504 fprintf(stderr, _("Failed to parse fs types list\n")); 1505 exit(1); 1506 } 1507 1508 /* Figure out what features should be enabled */ 1509 1510 tmp = NULL; 1511 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { 1512 tmp = get_string_from_profile(fs_types, "base_features", 1513 "sparse_super,filetype,resize_inode,dir_index"); 1514 edit_feature(tmp, &fs_param.s_feature_compat); 1515 free(tmp); 1516 1517 for (cpp = fs_types; *cpp; cpp++) { 1518 tmp = NULL; 1519 profile_get_string(profile, "fs_types", *cpp, 1520 "features", "", &tmp); 1521 if (tmp && *tmp) 1522 edit_feature(tmp, &fs_param.s_feature_compat); 1523 free(tmp); 1524 } 1525 tmp = get_string_from_profile(fs_types, "default_features", 1526 ""); 1527 } 1528 edit_feature(fs_features ? fs_features : tmp, 1529 &fs_param.s_feature_compat); 1530 free(tmp); 1531 1532 if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1533 fs_types[0] = strdup("journal"); 1534 fs_types[1] = 0; 1535 } 1536 1537 if (verbose) { 1538 fputs(_("fs_types for mke2fs.conf resolution: "), stdout); 1539 print_str_list(fs_types); 1540 } 1541 1542 if (r_opt == EXT2_GOOD_OLD_REV && 1543 (fs_param.s_feature_compat || fs_param.s_feature_incompat || 1544 fs_param.s_feature_ro_compat)) { 1545 fprintf(stderr, _("Filesystem features not supported " 1546 "with revision 0 filesystems\n")); 1547 exit(1); 1548 } 1549 1550 if (s_opt > 0) { 1551 if (r_opt == EXT2_GOOD_OLD_REV) { 1552 fprintf(stderr, _("Sparse superblocks not supported " 1553 "with revision 0 filesystems\n")); 1554 exit(1); 1555 } 1556 fs_param.s_feature_ro_compat |= 1557 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1558 } else if (s_opt == 0) 1559 fs_param.s_feature_ro_compat &= 1560 ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1561 1562 if (journal_size != 0) { 1563 if (r_opt == EXT2_GOOD_OLD_REV) { 1564 fprintf(stderr, _("Journals not supported " 1565 "with revision 0 filesystems\n")); 1566 exit(1); 1567 } 1568 fs_param.s_feature_compat |= 1569 EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1570 } 1571 1572 if (fs_param.s_feature_incompat & 1573 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1574 reserved_ratio = 0; 1575 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; 1576 fs_param.s_feature_compat = 0; 1577 fs_param.s_feature_ro_compat = 0; 1578 } 1579 1580 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1581 (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) { 1582 fprintf(stderr, _("The resize_inode and meta_bg features " 1583 "are not compatible.\n" 1584 "They can not be both enabled " 1585 "simultaneously.\n")); 1586 exit(1); 1587 } 1588 1589 /* Set first meta blockgroup via an environment variable */ 1590 /* (this is mostly for debugging purposes) */ 1591 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1592 ((tmp = getenv("MKE2FS_FIRST_META_BG")))) 1593 fs_param.s_first_meta_bg = atoi(tmp); 1594 1595 /* Get the hardware sector size, if available */ 1596 retval = ext2fs_get_device_sectsize(device_name, §or_size); 1597 if (retval) { 1598 com_err(program_name, retval, 1599 _("while trying to determine hardware sector size")); 1600 exit(1); 1601 } 1602 1603 if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL) 1604 sector_size = atoi(tmp); 1605 1606 if (blocksize <= 0) { 1607 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); 1608 1609 if (use_bsize == -1) { 1610 use_bsize = sys_page_size; 1611 if ((linux_version_code < (2*65536 + 6*256)) && 1612 (use_bsize > 4096)) 1613 use_bsize = 4096; 1614 } 1615 if (sector_size && use_bsize < sector_size) 1616 use_bsize = sector_size; 1617 if ((blocksize < 0) && (use_bsize < (-blocksize))) 1618 use_bsize = -blocksize; 1619 blocksize = use_bsize; 1620 ext2fs_blocks_count_set(&fs_param, 1621 ext2fs_blocks_count(&fs_param) / 1622 (blocksize / 1024)); 1623 } 1624 1625 if (inode_ratio == 0) { 1626 inode_ratio = get_int_from_profile(fs_types, "inode_ratio", 1627 8192); 1628 if (inode_ratio < blocksize) 1629 inode_ratio = blocksize; 1630 } 1631 1632 fs_param.s_log_frag_size = fs_param.s_log_block_size = 1633 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1634 1635#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1636 retval = ext2fs_get_device_geometry(device_name, &fs_param); 1637 if (retval < 0) { 1638 fprintf(stderr, 1639 _("warning: Unable to get device geometry for %s\n"), 1640 device_name); 1641 } else if (retval) { 1642 printf(_("%s alignment is offset by %lu bytes.\n"), 1643 device_name, retval); 1644 printf(_("This may result in very poor performance, " 1645 "(re)-partitioning suggested.\n")); 1646 } 1647#endif 1648 1649 blocksize = EXT2_BLOCK_SIZE(&fs_param); 1650 1651 lazy_itable_init = get_bool_from_profile(fs_types, 1652 "lazy_itable_init", 0); 1653 1654 /* Get options from profile */ 1655 for (cpp = fs_types; *cpp; cpp++) { 1656 tmp = NULL; 1657 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp); 1658 if (tmp && *tmp) 1659 parse_extended_opts(&fs_param, tmp); 1660 free(tmp); 1661 } 1662 1663 if (extended_opts) 1664 parse_extended_opts(&fs_param, extended_opts); 1665 1666 /* Since sparse_super is the default, we would only have a problem 1667 * here if it was explicitly disabled. 1668 */ 1669 if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && 1670 !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { 1671 com_err(program_name, 0, 1672 _("reserved online resize blocks not supported " 1673 "on non-sparse filesystem")); 1674 exit(1); 1675 } 1676 1677 if (fs_param.s_blocks_per_group) { 1678 if (fs_param.s_blocks_per_group < 256 || 1679 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { 1680 com_err(program_name, 0, 1681 _("blocks per group count out of range")); 1682 exit(1); 1683 } 1684 } 1685 1686 if (inode_size == 0) 1687 inode_size = get_int_from_profile(fs_types, "inode_size", 0); 1688 if (!flex_bg_size && (fs_param.s_feature_incompat & 1689 EXT4_FEATURE_INCOMPAT_FLEX_BG)) 1690 flex_bg_size = get_int_from_profile(fs_types, 1691 "flex_bg_size", 16); 1692 if (flex_bg_size) { 1693 if (!(fs_param.s_feature_incompat & 1694 EXT4_FEATURE_INCOMPAT_FLEX_BG)) { 1695 com_err(program_name, 0, 1696 _("Flex_bg feature not enabled, so " 1697 "flex_bg size may not be specified")); 1698 exit(1); 1699 } 1700 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size); 1701 } 1702 1703 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { 1704 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || 1705 inode_size > EXT2_BLOCK_SIZE(&fs_param) || 1706 inode_size & (inode_size - 1)) { 1707 com_err(program_name, 0, 1708 _("invalid inode size %d (min %d/max %d)"), 1709 inode_size, EXT2_GOOD_OLD_INODE_SIZE, 1710 blocksize); 1711 exit(1); 1712 } 1713 fs_param.s_inode_size = inode_size; 1714 } 1715 1716 /* Make sure number of inodes specified will fit in 32 bits */ 1717 if (num_inodes == 0) { 1718 unsigned long long n; 1719 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio; 1720 if (n > ~0U) { 1721 com_err(program_name, 0, 1722 _("too many inodes (%llu), raise inode ratio?"), n); 1723 exit(1); 1724 } 1725 } else if (num_inodes > ~0U) { 1726 com_err(program_name, 0, 1727 _("too many inodes (%llu), specify < 2^32 inodes"), 1728 num_inodes); 1729 exit(1); 1730 } 1731 /* 1732 * Calculate number of inodes based on the inode ratio 1733 */ 1734 fs_param.s_inodes_count = num_inodes ? num_inodes : 1735 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio; 1736 1737 if ((((long long)fs_param.s_inodes_count) * 1738 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= 1739 ((ext2fs_blocks_count(&fs_param)) * 1740 EXT2_BLOCK_SIZE(&fs_param))) { 1741 com_err(program_name, 0, _("inode_size (%u) * inodes_count " 1742 "(%u) too big for a\n\t" 1743 "filesystem with %llu blocks, " 1744 "specify higher inode_ratio (-i)\n\t" 1745 "or lower inode count (-N).\n"), 1746 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, 1747 fs_param.s_inodes_count, 1748 (unsigned long long) ext2fs_blocks_count(&fs_param)); 1749 exit(1); 1750 } 1751 1752 /* 1753 * Calculate number of blocks to reserve 1754 */ 1755 ext2fs_r_blocks_count_set(&fs_param, reserved_ratio * 1756 ext2fs_blocks_count(&fs_param) / 100.0); 1757} 1758 1759static int should_do_undo(const char *name) 1760{ 1761 errcode_t retval; 1762 io_channel channel; 1763 __u16 s_magic; 1764 struct ext2_super_block super; 1765 io_manager manager = unix_io_manager; 1766 int csum_flag, force_undo; 1767 1768 csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 1769 EXT4_FEATURE_RO_COMPAT_GDT_CSUM); 1770 force_undo = get_int_from_profile(fs_types, "force_undo", 0); 1771 if (!force_undo && (!csum_flag || !lazy_itable_init)) 1772 return 0; 1773 1774 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel); 1775 if (retval) { 1776 /* 1777 * We don't handle error cases instead we 1778 * declare that the file system doesn't exist 1779 * and let the rest of mke2fs take care of 1780 * error 1781 */ 1782 retval = 0; 1783 goto open_err_out; 1784 } 1785 1786 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET); 1787 retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super); 1788 if (retval) { 1789 retval = 0; 1790 goto err_out; 1791 } 1792 1793#if defined(WORDS_BIGENDIAN) 1794 s_magic = ext2fs_swab16(super.s_magic); 1795#else 1796 s_magic = super.s_magic; 1797#endif 1798 1799 if (s_magic == EXT2_SUPER_MAGIC) 1800 retval = 1; 1801 1802err_out: 1803 io_channel_close(channel); 1804 1805open_err_out: 1806 1807 return retval; 1808} 1809 1810static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr) 1811{ 1812 errcode_t retval = 0; 1813 char *tdb_dir, *tdb_file; 1814 char *device_name, *tmp_name; 1815 1816 /* 1817 * Configuration via a conf file would be 1818 * nice 1819 */ 1820 tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); 1821 if (!tdb_dir) 1822 profile_get_string(profile, "defaults", 1823 "undo_dir", 0, "/var/lib/e2fsprogs", 1824 &tdb_dir); 1825 1826 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || 1827 access(tdb_dir, W_OK)) 1828 return 0; 1829 1830 tmp_name = strdup(name); 1831 if (!tmp_name) { 1832 alloc_fn_fail: 1833 com_err(program_name, ENOMEM, 1834 _("Couldn't allocate memory for tdb filename\n")); 1835 return ENOMEM; 1836 } 1837 device_name = basename(tmp_name); 1838 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(device_name) + 7 + 1); 1839 if (!tdb_file) 1840 goto alloc_fn_fail; 1841 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name); 1842 1843 if (!access(tdb_file, F_OK)) { 1844 if (unlink(tdb_file) < 0) { 1845 retval = errno; 1846 com_err(program_name, retval, 1847 _("while trying to delete %s"), 1848 tdb_file); 1849 free(tdb_file); 1850 return retval; 1851 } 1852 } 1853 1854 set_undo_io_backing_manager(*io_ptr); 1855 *io_ptr = undo_io_manager; 1856 set_undo_io_backup_file(tdb_file); 1857 printf(_("Overwriting existing filesystem; this can be undone " 1858 "using the command:\n" 1859 " e2undo %s %s\n\n"), tdb_file, name); 1860 1861 free(tdb_file); 1862 free(tmp_name); 1863 return retval; 1864} 1865 1866#ifdef __linux__ 1867 1868#ifndef BLKDISCARD 1869#define BLKDISCARD _IO(0x12,119) 1870#endif 1871 1872static void mke2fs_discard_blocks(ext2_filsys fs) 1873{ 1874 int fd; 1875 int ret; 1876 int blocksize; 1877 __u64 blocks; 1878 __uint64_t range[2]; 1879 1880 blocks = ext2fs_blocks_count(fs->super); 1881 blocksize = EXT2_BLOCK_SIZE(fs->super); 1882 range[0] = 0; 1883 range[1] = blocks * blocksize; 1884 1885 fd = open64(fs->device_name, O_RDWR); 1886 1887 /* 1888 * We don't care about whether the ioctl succeeds; it's only an 1889 * optmization for SSDs or sparse storage. 1890 */ 1891 if (fd > 0) { 1892 ret = ioctl(fd, BLKDISCARD, &range); 1893 if (verbose) { 1894 printf(_("Calling BLKDISCARD from %llu to %llu "), 1895 (unsigned long long) range[0], 1896 (unsigned long long) range[1]); 1897 if (ret) 1898 printf(_("failed.\n")); 1899 else 1900 printf(_("succeeded.\n")); 1901 } 1902 close(fd); 1903 } 1904} 1905#else 1906#define mke2fs_discard_blocks(fs) 1907#endif 1908 1909int main (int argc, char *argv[]) 1910{ 1911 errcode_t retval = 0; 1912 ext2_filsys fs; 1913 badblocks_list bb_list = 0; 1914 unsigned int journal_blocks; 1915 unsigned int i; 1916 int val, hash_alg; 1917 int flags; 1918 int old_bitmaps; 1919 io_manager io_ptr; 1920 char tdb_string[40]; 1921 char *hash_alg_str; 1922 1923#ifdef ENABLE_NLS 1924 setlocale(LC_MESSAGES, ""); 1925 setlocale(LC_CTYPE, ""); 1926 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 1927 textdomain(NLS_CAT_NAME); 1928#endif 1929 PRS(argc, argv); 1930 1931#ifdef CONFIG_TESTIO_DEBUG 1932 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1933 io_ptr = test_io_manager; 1934 test_io_backing_manager = unix_io_manager; 1935 } else 1936#endif 1937 io_ptr = unix_io_manager; 1938 1939 if (should_do_undo(device_name)) { 1940 retval = mke2fs_setup_tdb(device_name, &io_ptr); 1941 if (retval) 1942 exit(1); 1943 } 1944 1945 /* 1946 * Initialize the superblock.... 1947 */ 1948 flags = EXT2_FLAG_EXCLUSIVE; 1949 profile_get_boolean(profile, "options", "old_bitmaps", 0, 0, 1950 &old_bitmaps); 1951 if (!old_bitmaps) 1952 flags |= EXT2_FLAG_64BITS; 1953 /* 1954 * By default, we print how many inode tables or block groups 1955 * or whatever we've written so far. The quiet flag disables 1956 * this, along with a lot of other output. 1957 */ 1958 if (!quiet) 1959 flags |= EXT2_FLAG_PRINT_PROGRESS; 1960 retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs); 1961 if (retval) { 1962 com_err(device_name, retval, _("while setting up superblock")); 1963 exit(1); 1964 } 1965 1966 /* Can't undo discard ... */ 1967 if (discard && (io_ptr != undo_io_manager)) 1968 mke2fs_discard_blocks(fs); 1969 1970 sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? 1971 32768 : fs->blocksize * 8); 1972 io_channel_set_options(fs->io, tdb_string); 1973 1974 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) 1975 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; 1976 1977 if ((fs_param.s_feature_incompat & 1978 (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) || 1979 (fs_param.s_feature_ro_compat & 1980 (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM| 1981 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 1982 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE))) 1983 fs->super->s_kbytes_written = 1; 1984 1985 /* 1986 * Wipe out the old on-disk superblock 1987 */ 1988 if (!noaction) 1989 zap_sector(fs, 2, 6); 1990 1991 /* 1992 * Parse or generate a UUID for the filesystem 1993 */ 1994 if (fs_uuid) { 1995 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) { 1996 com_err(device_name, 0, "could not parse UUID: %s\n", 1997 fs_uuid); 1998 exit(1); 1999 } 2000 } else 2001 uuid_generate(fs->super->s_uuid); 2002 2003 /* 2004 * Initialize the directory index variables 2005 */ 2006 hash_alg_str = get_string_from_profile(fs_types, "hash_alg", 2007 "half_md4"); 2008 hash_alg = e2p_string2hash(hash_alg_str); 2009 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg : 2010 EXT2_HASH_HALF_MD4; 2011 uuid_generate((unsigned char *) fs->super->s_hash_seed); 2012 2013 /* 2014 * Add "jitter" to the superblock's check interval so that we 2015 * don't check all the filesystems at the same time. We use a 2016 * kludgy hack of using the UUID to derive a random jitter value. 2017 */ 2018 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) 2019 val += fs->super->s_uuid[i]; 2020 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; 2021 2022 /* 2023 * Override the creator OS, if applicable 2024 */ 2025 if (creator_os && !set_os(fs->super, creator_os)) { 2026 com_err (program_name, 0, _("unknown os - %s"), creator_os); 2027 exit(1); 2028 } 2029 2030 /* 2031 * For the Hurd, we will turn off filetype since it doesn't 2032 * support it. 2033 */ 2034 if (fs->super->s_creator_os == EXT2_OS_HURD) 2035 fs->super->s_feature_incompat &= 2036 ~EXT2_FEATURE_INCOMPAT_FILETYPE; 2037 2038 /* 2039 * Set the volume label... 2040 */ 2041 if (volume_label) { 2042 memset(fs->super->s_volume_name, 0, 2043 sizeof(fs->super->s_volume_name)); 2044 strncpy(fs->super->s_volume_name, volume_label, 2045 sizeof(fs->super->s_volume_name)); 2046 } 2047 2048 /* 2049 * Set the last mount directory 2050 */ 2051 if (mount_dir) { 2052 memset(fs->super->s_last_mounted, 0, 2053 sizeof(fs->super->s_last_mounted)); 2054 strncpy(fs->super->s_last_mounted, mount_dir, 2055 sizeof(fs->super->s_last_mounted)); 2056 } 2057 2058 if (!quiet || noaction) 2059 show_stats(fs); 2060 2061 if (noaction) 2062 exit(0); 2063 2064 if (fs->super->s_feature_incompat & 2065 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 2066 create_journal_dev(fs); 2067 exit(ext2fs_close(fs) ? 1 : 0); 2068 } 2069 2070 if (bad_blocks_filename) 2071 read_bb_file(fs, &bb_list, bad_blocks_filename); 2072 if (cflag) 2073 test_disk(fs, &bb_list); 2074 2075 handle_bad_blocks(fs, bb_list); 2076 fs->stride = fs_stride = fs->super->s_raid_stride; 2077 if (!quiet) 2078 printf(_("Allocating group tables: ")); 2079 retval = ext2fs_allocate_tables(fs); 2080 if (retval) { 2081 com_err(program_name, retval, 2082 _("while trying to allocate filesystem tables")); 2083 exit(1); 2084 } 2085 if (!quiet) 2086 printf(_("done \n")); 2087 if (super_only) { 2088 fs->super->s_state |= EXT2_ERROR_FS; 2089 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); 2090 } else { 2091 /* rsv must be a power of two (64kB is MD RAID sb alignment) */ 2092 unsigned int rsv = 65536 / fs->blocksize; 2093 unsigned long blocks = ext2fs_blocks_count(fs->super); 2094 unsigned long start; 2095 blk_t ret_blk; 2096 2097#ifdef ZAP_BOOTBLOCK 2098 zap_sector(fs, 0, 2); 2099#endif 2100 2101 /* 2102 * Wipe out any old MD RAID (or other) metadata at the end 2103 * of the device. This will also verify that the device is 2104 * as large as we think. Be careful with very small devices. 2105 */ 2106 start = (blocks & ~(rsv - 1)); 2107 if (start > rsv) 2108 start -= rsv; 2109 if (start > 0) 2110 retval = ext2fs_zero_blocks(fs, start, blocks - start, 2111 &ret_blk, NULL); 2112 2113 if (retval) { 2114 com_err(program_name, retval, 2115 _("while zeroing block %u at end of filesystem"), 2116 ret_blk); 2117 } 2118 write_inode_tables(fs, lazy_itable_init); 2119 create_root_dir(fs); 2120 create_lost_and_found(fs); 2121 reserve_inodes(fs); 2122 create_bad_block_inode(fs, bb_list); 2123 if (fs->super->s_feature_compat & 2124 EXT2_FEATURE_COMPAT_RESIZE_INODE) { 2125 retval = ext2fs_create_resize_inode(fs); 2126 if (retval) { 2127 com_err("ext2fs_create_resize_inode", retval, 2128 _("while reserving blocks for online resize")); 2129 exit(1); 2130 } 2131 } 2132 } 2133 2134 if (journal_device) { 2135 ext2_filsys jfs; 2136 2137 if (!force) 2138 check_plausibility(journal_device); 2139 check_mount(journal_device, force, _("journal")); 2140 2141 retval = ext2fs_open(journal_device, EXT2_FLAG_RW| 2142 EXT2_FLAG_JOURNAL_DEV_OK, 0, 2143 fs->blocksize, unix_io_manager, &jfs); 2144 if (retval) { 2145 com_err(program_name, retval, 2146 _("while trying to open journal device %s\n"), 2147 journal_device); 2148 exit(1); 2149 } 2150 if (!quiet) { 2151 printf(_("Adding journal to device %s: "), 2152 journal_device); 2153 fflush(stdout); 2154 } 2155 retval = ext2fs_add_journal_device(fs, jfs); 2156 if(retval) { 2157 com_err (program_name, retval, 2158 _("\n\twhile trying to add journal to device %s"), 2159 journal_device); 2160 exit(1); 2161 } 2162 if (!quiet) 2163 printf(_("done\n")); 2164 ext2fs_close(jfs); 2165 free(journal_device); 2166 } else if ((journal_size) || 2167 (fs_param.s_feature_compat & 2168 EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { 2169 journal_blocks = figure_journal_size(journal_size, fs); 2170 2171 if (super_only) { 2172 printf(_("Skipping journal creation in super-only mode\n")); 2173 fs->super->s_journal_inum = EXT2_JOURNAL_INO; 2174 goto no_journal; 2175 } 2176 2177 if (!journal_blocks) { 2178 fs->super->s_feature_compat &= 2179 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 2180 goto no_journal; 2181 } 2182 if (!quiet) { 2183 printf(_("Creating journal (%u blocks): "), 2184 journal_blocks); 2185 fflush(stdout); 2186 } 2187 retval = ext2fs_add_journal_inode(fs, journal_blocks, 2188 journal_flags); 2189 if (retval) { 2190 com_err (program_name, retval, 2191 _("\n\twhile trying to create journal")); 2192 exit(1); 2193 } 2194 if (!quiet) 2195 printf(_("done\n")); 2196 } 2197no_journal: 2198 2199 if (!quiet) 2200 printf(_("Writing superblocks and " 2201 "filesystem accounting information: ")); 2202 retval = ext2fs_flush(fs); 2203 if (retval) { 2204 fprintf(stderr, 2205 _("\nWarning, had trouble writing out superblocks.")); 2206 } 2207 if (!quiet) { 2208 printf(_("done\n\n")); 2209 if (!getenv("MKE2FS_SKIP_CHECK_MSG")) 2210 print_check_message(fs); 2211 } 2212 val = ext2fs_close(fs); 2213 remove_error_table(&et_ext2_error_table); 2214 remove_error_table(&et_prof_error_table); 2215 profile_release(profile); 2216 return (retval || val) ? 1 : 0; 2217} 2218