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 33 extern char *optarg; 34 extern 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 "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 72 #ifndef ROOT_SYSCONFDIR 73 #define ROOT_SYSCONFDIR "/etc" 74 #endif 75 76 extern int isatty(int); 77 extern FILE *fpopen(const char *cmd, const char *mode); 78 79 const char * program_name = "mke2fs"; 80 const char * device_name /* = NULL */; 81 82 /* Command line options */ 83 int cflag; 84 int verbose; 85 int quiet; 86 int super_only; 87 int discard = 1; 88 int force; 89 int noaction; 90 int journal_size; 91 int journal_flags; 92 int lazy_itable_init; 93 char *bad_blocks_filename; 94 __u32 fs_stride; 95 96 struct ext2_super_block fs_param; 97 char *fs_uuid = NULL; 98 char *creator_os; 99 char *volume_label; 100 char *mount_dir; 101 char *journal_device; 102 int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ 103 char **fs_types; 104 105 profile_t profile; 106 107 int sys_page_size = 4096; 108 int linux_version_code = 0; 109 110 static void usage(void) 111 { 112 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " 113 "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] " 114 "[-J journal-options]\n" 115 "\t[-G meta group size] [-N number-of-inodes]\n" 116 "\t[-m reserved-blocks-percentage] [-o creator-os]\n" 117 "\t[-g blocks-per-group] [-L volume-label] " 118 "[-M last-mounted-directory]\n\t[-O feature[,...]] " 119 "[-r fs-revision] [-E extended-option[,...]]\n" 120 "\t[-T fs-type] [-U UUID] [-jnqvFKSV] device [blocks-count]\n"), 121 program_name); 122 exit(1); 123 } 124 125 static int int_log2(int arg) 126 { 127 int l = 0; 128 129 arg >>= 1; 130 while (arg) { 131 l++; 132 arg >>= 1; 133 } 134 return l; 135 } 136 137 static int int_log10(unsigned int arg) 138 { 139 int l; 140 141 for (l=0; arg ; l++) 142 arg = arg / 10; 143 return l; 144 } 145 146 static int parse_version_number(const char *s) 147 { 148 int major, minor, rev; 149 char *endptr; 150 const char *cp = s; 151 152 if (!s) 153 return 0; 154 major = strtol(cp, &endptr, 10); 155 if (cp == endptr || *endptr != '.') 156 return 0; 157 cp = endptr + 1; 158 minor = strtol(cp, &endptr, 10); 159 if (cp == endptr || *endptr != '.') 160 return 0; 161 cp = endptr + 1; 162 rev = strtol(cp, &endptr, 10); 163 if (cp == endptr) 164 return 0; 165 return ((((major * 256) + minor) * 256) + rev); 166 } 167 168 /* 169 * Helper function for read_bb_file and test_disk 170 */ 171 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) 172 { 173 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); 174 return; 175 } 176 177 /* 178 * Reads the bad blocks list from a file 179 */ 180 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, 181 const char *bad_blocks_file) 182 { 183 FILE *f; 184 errcode_t retval; 185 186 f = fopen(bad_blocks_file, "r"); 187 if (!f) { 188 com_err("read_bad_blocks_file", errno, 189 _("while trying to open %s"), bad_blocks_file); 190 exit(1); 191 } 192 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 193 fclose (f); 194 if (retval) { 195 com_err("ext2fs_read_bb_FILE", retval, 196 _("while reading in list of bad blocks from file")); 197 exit(1); 198 } 199 } 200 201 #ifndef NO_CHECK_BB 202 /* 203 * Runs the badblocks program to test the disk 204 */ 205 static void test_disk(ext2_filsys fs, badblocks_list *bb_list) 206 { 207 FILE *f; 208 errcode_t retval; 209 char buf[1024]; 210 211 sprintf(buf, "badblocks -b %d -X %s%s%s %u", fs->blocksize, 212 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", 213 fs->device_name, fs->super->s_blocks_count-1); 214 if (verbose) 215 printf(_("Running command: %s\n"), buf); 216 f = popen(buf, "r"); 217 if (!f) { 218 com_err("popen", errno, 219 _("while trying to run '%s'"), buf); 220 exit(1); 221 } 222 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 223 pclose(f); 224 if (retval) { 225 com_err("ext2fs_read_bb_FILE", retval, 226 _("while processing list of bad blocks from program")); 227 exit(1); 228 } 229 } 230 #endif 231 232 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) 233 { 234 dgrp_t i; 235 blk_t j; 236 unsigned must_be_good; 237 blk_t blk; 238 badblocks_iterate bb_iter; 239 errcode_t retval; 240 blk_t group_block; 241 int group; 242 int group_bad; 243 244 if (!bb_list) 245 return; 246 247 /* 248 * The primary superblock and group descriptors *must* be 249 * good; if not, abort. 250 */ 251 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; 252 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { 253 if (ext2fs_badblocks_list_test(bb_list, i)) { 254 fprintf(stderr, _("Block %d in primary " 255 "superblock/group descriptor area bad.\n"), i); 256 fprintf(stderr, _("Blocks %u through %u must be good " 257 "in order to build a filesystem.\n"), 258 fs->super->s_first_data_block, must_be_good); 259 fputs(_("Aborting....\n"), stderr); 260 exit(1); 261 } 262 } 263 264 /* 265 * See if any of the bad blocks are showing up in the backup 266 * superblocks and/or group descriptors. If so, issue a 267 * warning and adjust the block counts appropriately. 268 */ 269 group_block = fs->super->s_first_data_block + 270 fs->super->s_blocks_per_group; 271 272 for (i = 1; i < fs->group_desc_count; i++) { 273 group_bad = 0; 274 for (j=0; j < fs->desc_blocks+1; j++) { 275 if (ext2fs_badblocks_list_test(bb_list, 276 group_block + j)) { 277 if (!group_bad) 278 fprintf(stderr, 279 _("Warning: the backup superblock/group descriptors at block %u contain\n" 280 " bad blocks.\n\n"), 281 group_block); 282 group_bad++; 283 group = ext2fs_group_of_blk(fs, group_block+j); 284 fs->group_desc[group].bg_free_blocks_count++; 285 ext2fs_group_desc_csum_set(fs, group); 286 fs->super->s_free_blocks_count++; 287 } 288 } 289 group_block += fs->super->s_blocks_per_group; 290 } 291 292 /* 293 * Mark all the bad blocks as used... 294 */ 295 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); 296 if (retval) { 297 com_err("ext2fs_badblocks_list_iterate_begin", retval, 298 _("while marking bad blocks as used")); 299 exit(1); 300 } 301 while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) 302 ext2fs_mark_block_bitmap(fs->block_map, blk); 303 ext2fs_badblocks_list_iterate_end(bb_iter); 304 } 305 306 /* 307 * These functions implement a generalized progress meter. 308 */ 309 struct progress_struct { 310 char format[20]; 311 char backup[80]; 312 __u32 max; 313 int skip_progress; 314 }; 315 316 static void progress_init(struct progress_struct *progress, 317 const char *label,__u32 max) 318 { 319 int i; 320 321 memset(progress, 0, sizeof(struct progress_struct)); 322 if (quiet) 323 return; 324 325 /* 326 * Figure out how many digits we need 327 */ 328 i = int_log10(max); 329 sprintf(progress->format, "%%%dd/%%%dld", i, i); 330 memset(progress->backup, '\b', sizeof(progress->backup)-1); 331 progress->backup[sizeof(progress->backup)-1] = 0; 332 if ((2*i)+1 < (int) sizeof(progress->backup)) 333 progress->backup[(2*i)+1] = 0; 334 progress->max = max; 335 336 progress->skip_progress = 0; 337 if (getenv("MKE2FS_SKIP_PROGRESS")) 338 progress->skip_progress++; 339 340 fputs(label, stdout); 341 fflush(stdout); 342 } 343 344 static void progress_update(struct progress_struct *progress, __u32 val) 345 { 346 if ((progress->format[0] == 0) || progress->skip_progress) 347 return; 348 printf(progress->format, val, progress->max); 349 fputs(progress->backup, stdout); 350 } 351 352 static void progress_close(struct progress_struct *progress) 353 { 354 if (progress->format[0] == 0) 355 return; 356 fputs(_("done \n"), stdout); 357 } 358 359 static void write_inode_tables(ext2_filsys fs, int lazy_flag) 360 { 361 errcode_t retval; 362 blk_t blk; 363 dgrp_t i; 364 int num, ipb; 365 struct progress_struct progress; 366 367 if (quiet) 368 memset(&progress, 0, sizeof(progress)); 369 else 370 progress_init(&progress, _("Writing inode tables: "), 371 fs->group_desc_count); 372 373 for (i = 0; i < fs->group_desc_count; i++) { 374 progress_update(&progress, i); 375 376 blk = fs->group_desc[i].bg_inode_table; 377 num = fs->inode_blocks_per_group; 378 379 if (lazy_flag) { 380 ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super); 381 num = ((((fs->super->s_inodes_per_group - 382 fs->group_desc[i].bg_itable_unused) * 383 EXT2_INODE_SIZE(fs->super)) + 384 EXT2_BLOCK_SIZE(fs->super) - 1) / 385 EXT2_BLOCK_SIZE(fs->super)); 386 } else { 387 /* The kernel doesn't need to zero the itable blocks */ 388 fs->group_desc[i].bg_flags |= EXT2_BG_INODE_ZEROED; 389 ext2fs_group_desc_csum_set(fs, i); 390 } 391 retval = ext2fs_zero_blocks(fs, blk, num, &blk, &num); 392 if (retval) { 393 fprintf(stderr, _("\nCould not write %d " 394 "blocks in inode table starting at %u: %s\n"), 395 num, blk, error_message(retval)); 396 exit(1); 397 } 398 if (sync_kludge) { 399 if (sync_kludge == 1) 400 sync(); 401 else if ((i % sync_kludge) == 0) 402 sync(); 403 } 404 } 405 ext2fs_zero_blocks(0, 0, 0, 0, 0); 406 progress_close(&progress); 407 } 408 409 static void create_root_dir(ext2_filsys fs) 410 { 411 errcode_t retval; 412 struct ext2_inode inode; 413 __u32 uid, gid; 414 415 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); 416 if (retval) { 417 com_err("ext2fs_mkdir", retval, _("while creating root dir")); 418 exit(1); 419 } 420 if (geteuid()) { 421 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); 422 if (retval) { 423 com_err("ext2fs_read_inode", retval, 424 _("while reading root inode")); 425 exit(1); 426 } 427 uid = getuid(); 428 inode.i_uid = uid; 429 ext2fs_set_i_uid_high(inode, uid >> 16); 430 if (uid) { 431 gid = getgid(); 432 inode.i_gid = gid; 433 ext2fs_set_i_gid_high(inode, gid >> 16); 434 } 435 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); 436 if (retval) { 437 com_err("ext2fs_write_inode", retval, 438 _("while setting root inode ownership")); 439 exit(1); 440 } 441 } 442 } 443 444 static void create_lost_and_found(ext2_filsys fs) 445 { 446 unsigned int lpf_size = 0; 447 errcode_t retval; 448 ext2_ino_t ino; 449 const char *name = "lost+found"; 450 int i; 451 452 fs->umask = 077; 453 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); 454 if (retval) { 455 com_err("ext2fs_mkdir", retval, 456 _("while creating /lost+found")); 457 exit(1); 458 } 459 460 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); 461 if (retval) { 462 com_err("ext2_lookup", retval, 463 _("while looking up /lost+found")); 464 exit(1); 465 } 466 467 for (i=1; i < EXT2_NDIR_BLOCKS; i++) { 468 /* Ensure that lost+found is at least 2 blocks, so we always 469 * test large empty blocks for big-block filesystems. */ 470 if ((lpf_size += fs->blocksize) >= 16*1024 && 471 lpf_size >= 2 * fs->blocksize) 472 break; 473 retval = ext2fs_expand_dir(fs, ino); 474 if (retval) { 475 com_err("ext2fs_expand_dir", retval, 476 _("while expanding /lost+found")); 477 exit(1); 478 } 479 } 480 } 481 482 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) 483 { 484 errcode_t retval; 485 486 ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO); 487 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); 488 retval = ext2fs_update_bb_inode(fs, bb_list); 489 if (retval) { 490 com_err("ext2fs_update_bb_inode", retval, 491 _("while setting bad block inode")); 492 exit(1); 493 } 494 495 } 496 497 static void reserve_inodes(ext2_filsys fs) 498 { 499 ext2_ino_t i; 500 501 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) 502 ext2fs_inode_alloc_stats2(fs, i, +1, 0); 503 ext2fs_mark_ib_dirty(fs); 504 } 505 506 #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ 507 #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ 508 #define BSD_LABEL_OFFSET 64 509 510 static void zap_sector(ext2_filsys fs, int sect, int nsect) 511 { 512 char *buf; 513 int retval; 514 unsigned int *magic; 515 516 buf = malloc(512*nsect); 517 if (!buf) { 518 printf(_("Out of memory erasing sectors %d-%d\n"), 519 sect, sect + nsect - 1); 520 exit(1); 521 } 522 523 if (sect == 0) { 524 /* Check for a BSD disklabel, and don't erase it if so */ 525 retval = io_channel_read_blk(fs->io, 0, -512, buf); 526 if (retval) 527 fprintf(stderr, 528 _("Warning: could not read block 0: %s\n"), 529 error_message(retval)); 530 else { 531 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); 532 if ((*magic == BSD_DISKMAGIC) || 533 (*magic == BSD_MAGICDISK)) 534 return; 535 } 536 } 537 538 memset(buf, 0, 512*nsect); 539 io_channel_set_blksize(fs->io, 512); 540 retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf); 541 io_channel_set_blksize(fs->io, fs->blocksize); 542 free(buf); 543 if (retval) 544 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), 545 sect, error_message(retval)); 546 } 547 548 static void create_journal_dev(ext2_filsys fs) 549 { 550 struct progress_struct progress; 551 errcode_t retval; 552 char *buf; 553 blk_t blk, err_blk; 554 int c, count, err_count; 555 556 retval = ext2fs_create_journal_superblock(fs, 557 fs->super->s_blocks_count, 0, &buf); 558 if (retval) { 559 com_err("create_journal_dev", retval, 560 _("while initializing journal superblock")); 561 exit(1); 562 } 563 if (quiet) 564 memset(&progress, 0, sizeof(progress)); 565 else 566 progress_init(&progress, _("Zeroing journal device: "), 567 fs->super->s_blocks_count); 568 569 blk = 0; 570 count = fs->super->s_blocks_count; 571 while (count > 0) { 572 if (count > 1024) 573 c = 1024; 574 else 575 c = count; 576 retval = ext2fs_zero_blocks(fs, blk, c, &err_blk, &err_count); 577 if (retval) { 578 com_err("create_journal_dev", retval, 579 _("while zeroing journal device " 580 "(block %u, count %d)"), 581 err_blk, err_count); 582 exit(1); 583 } 584 blk += c; 585 count -= c; 586 progress_update(&progress, blk); 587 } 588 ext2fs_zero_blocks(0, 0, 0, 0, 0); 589 590 retval = io_channel_write_blk(fs->io, 591 fs->super->s_first_data_block+1, 592 1, buf); 593 if (retval) { 594 com_err("create_journal_dev", retval, 595 _("while writing journal superblock")); 596 exit(1); 597 } 598 progress_close(&progress); 599 } 600 601 static void show_stats(ext2_filsys fs) 602 { 603 struct ext2_super_block *s = fs->super; 604 char buf[80]; 605 char *os; 606 blk_t group_block; 607 dgrp_t i; 608 int need, col_left; 609 610 if (fs_param.s_blocks_count != s->s_blocks_count) 611 fprintf(stderr, _("warning: %u blocks unused.\n\n"), 612 fs_param.s_blocks_count - s->s_blocks_count); 613 614 memset(buf, 0, sizeof(buf)); 615 strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); 616 printf(_("Filesystem label=%s\n"), buf); 617 fputs(_("OS type: "), stdout); 618 os = e2p_os2string(fs->super->s_creator_os); 619 fputs(os, stdout); 620 free(os); 621 printf("\n"); 622 printf(_("Block size=%u (log=%u)\n"), fs->blocksize, 623 s->s_log_block_size); 624 printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize, 625 s->s_log_frag_size); 626 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"), 627 s->s_raid_stride, s->s_raid_stripe_width); 628 printf(_("%u inodes, %u blocks\n"), s->s_inodes_count, 629 s->s_blocks_count); 630 printf(_("%u blocks (%2.2f%%) reserved for the super user\n"), 631 s->s_r_blocks_count, 632 100.0 * s->s_r_blocks_count / s->s_blocks_count); 633 printf(_("First data block=%u\n"), s->s_first_data_block); 634 if (s->s_reserved_gdt_blocks) 635 printf(_("Maximum filesystem blocks=%lu\n"), 636 (s->s_reserved_gdt_blocks + fs->desc_blocks) * 637 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); 638 if (fs->group_desc_count > 1) 639 printf(_("%u block groups\n"), fs->group_desc_count); 640 else 641 printf(_("%u block group\n"), fs->group_desc_count); 642 printf(_("%u blocks per group, %u fragments per group\n"), 643 s->s_blocks_per_group, s->s_frags_per_group); 644 printf(_("%u inodes per group\n"), s->s_inodes_per_group); 645 646 if (fs->group_desc_count == 1) { 647 printf("\n"); 648 return; 649 } 650 651 printf(_("Superblock backups stored on blocks: ")); 652 group_block = s->s_first_data_block; 653 col_left = 0; 654 for (i = 1; i < fs->group_desc_count; i++) { 655 group_block += s->s_blocks_per_group; 656 if (!ext2fs_bg_has_super(fs, i)) 657 continue; 658 if (i != 1) 659 printf(", "); 660 need = int_log10(group_block) + 2; 661 if (need > col_left) { 662 printf("\n\t"); 663 col_left = 72; 664 } 665 col_left -= need; 666 printf("%u", group_block); 667 } 668 printf("\n\n"); 669 } 670 671 /* 672 * Set the S_CREATOR_OS field. Return true if OS is known, 673 * otherwise, 0. 674 */ 675 static int set_os(struct ext2_super_block *sb, char *os) 676 { 677 if (isdigit (*os)) 678 sb->s_creator_os = atoi (os); 679 else if (strcasecmp(os, "linux") == 0) 680 sb->s_creator_os = EXT2_OS_LINUX; 681 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) 682 sb->s_creator_os = EXT2_OS_HURD; 683 else if (strcasecmp(os, "freebsd") == 0) 684 sb->s_creator_os = EXT2_OS_FREEBSD; 685 else if (strcasecmp(os, "lites") == 0) 686 sb->s_creator_os = EXT2_OS_LITES; 687 else 688 return 0; 689 return 1; 690 } 691 692 #define PATH_SET "PATH=/sbin" 693 694 static void parse_extended_opts(struct ext2_super_block *param, 695 const char *opts) 696 { 697 char *buf, *token, *next, *p, *arg, *badopt = 0; 698 int len; 699 int r_usage = 0; 700 701 len = strlen(opts); 702 buf = malloc(len+1); 703 if (!buf) { 704 fprintf(stderr, 705 _("Couldn't allocate memory to parse options!\n")); 706 exit(1); 707 } 708 strcpy(buf, opts); 709 for (token = buf; token && *token; token = next) { 710 p = strchr(token, ','); 711 next = 0; 712 if (p) { 713 *p = 0; 714 next = p+1; 715 } 716 arg = strchr(token, '='); 717 if (arg) { 718 *arg = 0; 719 arg++; 720 } 721 if (strcmp(token, "stride") == 0) { 722 if (!arg) { 723 r_usage++; 724 badopt = token; 725 continue; 726 } 727 param->s_raid_stride = strtoul(arg, &p, 0); 728 if (*p || (param->s_raid_stride == 0)) { 729 fprintf(stderr, 730 _("Invalid stride parameter: %s\n"), 731 arg); 732 r_usage++; 733 continue; 734 } 735 } else if (strcmp(token, "stripe-width") == 0 || 736 strcmp(token, "stripe_width") == 0) { 737 if (!arg) { 738 r_usage++; 739 badopt = token; 740 continue; 741 } 742 param->s_raid_stripe_width = strtoul(arg, &p, 0); 743 if (*p || (param->s_raid_stripe_width == 0)) { 744 fprintf(stderr, 745 _("Invalid stripe-width parameter: %s\n"), 746 arg); 747 r_usage++; 748 continue; 749 } 750 } else if (!strcmp(token, "resize")) { 751 unsigned long resize, bpg, rsv_groups; 752 unsigned long group_desc_count, desc_blocks; 753 unsigned int gdpb, blocksize; 754 int rsv_gdb; 755 756 if (!arg) { 757 r_usage++; 758 badopt = token; 759 continue; 760 } 761 762 resize = parse_num_blocks(arg, 763 param->s_log_block_size); 764 765 if (resize == 0) { 766 fprintf(stderr, 767 _("Invalid resize parameter: %s\n"), 768 arg); 769 r_usage++; 770 continue; 771 } 772 if (resize <= param->s_blocks_count) { 773 fprintf(stderr, 774 _("The resize maximum must be greater " 775 "than the filesystem size.\n")); 776 r_usage++; 777 continue; 778 } 779 780 blocksize = EXT2_BLOCK_SIZE(param); 781 bpg = param->s_blocks_per_group; 782 if (!bpg) 783 bpg = blocksize * 8; 784 gdpb = EXT2_DESC_PER_BLOCK(param); 785 group_desc_count = 786 ext2fs_div_ceil(param->s_blocks_count, bpg); 787 desc_blocks = (group_desc_count + 788 gdpb - 1) / gdpb; 789 rsv_groups = ext2fs_div_ceil(resize, bpg); 790 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - 791 desc_blocks; 792 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) 793 rsv_gdb = EXT2_ADDR_PER_BLOCK(param); 794 795 if (rsv_gdb > 0) { 796 if (param->s_rev_level == EXT2_GOOD_OLD_REV) { 797 fprintf(stderr, 798 _("On-line resizing not supported with revision 0 filesystems\n")); 799 free(buf); 800 exit(1); 801 } 802 param->s_feature_compat |= 803 EXT2_FEATURE_COMPAT_RESIZE_INODE; 804 805 param->s_reserved_gdt_blocks = rsv_gdb; 806 } 807 } else if (!strcmp(token, "test_fs")) { 808 param->s_flags |= EXT2_FLAGS_TEST_FILESYS; 809 } else if (!strcmp(token, "lazy_itable_init")) { 810 if (arg) 811 lazy_itable_init = strtoul(arg, &p, 0); 812 else 813 lazy_itable_init = 1; 814 } else { 815 r_usage++; 816 badopt = token; 817 } 818 } 819 if (r_usage) { 820 fprintf(stderr, _("\nBad option(s) specified: %s\n\n" 821 "Extended options are separated by commas, " 822 "and may take an argument which\n" 823 "\tis set off by an equals ('=') sign.\n\n" 824 "Valid extended options are:\n" 825 "\tstride=<RAID per-disk data chunk in blocks>\n" 826 "\tstripe-width=<RAID stride * data disks in blocks>\n" 827 "\tresize=<resize maximum size in blocks>\n" 828 "\tlazy_itable_init=<0 to disable, 1 to enable>\n" 829 "\ttest_fs\n\n"), 830 badopt ? badopt : ""); 831 free(buf); 832 exit(1); 833 } 834 if (param->s_raid_stride && 835 (param->s_raid_stripe_width % param->s_raid_stride) != 0) 836 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " 837 "multiple of stride %u.\n\n"), 838 param->s_raid_stripe_width, param->s_raid_stride); 839 840 free(buf); 841 } 842 843 static __u32 ok_features[3] = { 844 /* Compat */ 845 EXT3_FEATURE_COMPAT_HAS_JOURNAL | 846 EXT2_FEATURE_COMPAT_RESIZE_INODE | 847 EXT2_FEATURE_COMPAT_DIR_INDEX | 848 EXT2_FEATURE_COMPAT_EXT_ATTR, 849 /* Incompat */ 850 EXT2_FEATURE_INCOMPAT_FILETYPE| 851 EXT3_FEATURE_INCOMPAT_EXTENTS| 852 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| 853 EXT2_FEATURE_INCOMPAT_META_BG| 854 EXT4_FEATURE_INCOMPAT_FLEX_BG, 855 /* R/O compat */ 856 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| 857 EXT4_FEATURE_RO_COMPAT_HUGE_FILE| 858 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 859 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| 860 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| 861 EXT4_FEATURE_RO_COMPAT_GDT_CSUM 862 }; 863 864 865 static void syntax_err_report(const char *filename, long err, int line_num) 866 { 867 fprintf(stderr, 868 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), 869 filename, line_num, error_message(err)); 870 exit(1); 871 } 872 873 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; 874 875 static void edit_feature(const char *str, __u32 *compat_array) 876 { 877 if (!str) 878 return; 879 880 if (e2p_edit_feature(str, compat_array, ok_features)) { 881 fprintf(stderr, _("Invalid filesystem option set: %s\n"), 882 str); 883 exit(1); 884 } 885 } 886 887 struct str_list { 888 char **list; 889 int num; 890 int max; 891 }; 892 893 static errcode_t init_list(struct str_list *sl) 894 { 895 sl->num = 0; 896 sl->max = 0; 897 sl->list = malloc((sl->max+1) * sizeof(char *)); 898 if (!sl->list) 899 return ENOMEM; 900 sl->list[0] = 0; 901 return 0; 902 } 903 904 static errcode_t push_string(struct str_list *sl, const char *str) 905 { 906 char **new_list; 907 908 if (sl->num >= sl->max) { 909 sl->max += 2; 910 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); 911 if (!new_list) 912 return ENOMEM; 913 sl->list = new_list; 914 } 915 sl->list[sl->num] = malloc(strlen(str)+1); 916 if (sl->list[sl->num] == 0) 917 return ENOMEM; 918 strcpy(sl->list[sl->num], str); 919 sl->num++; 920 sl->list[sl->num] = 0; 921 return 0; 922 } 923 924 static void print_str_list(char **list) 925 { 926 char **cpp; 927 928 for (cpp = list; *cpp; cpp++) { 929 printf("'%s'", *cpp); 930 if (cpp[1]) 931 fputs(", ", stdout); 932 } 933 fputc('\n', stdout); 934 } 935 936 static char **parse_fs_type(const char *fs_type, 937 const char *usage_types, 938 struct ext2_super_block *fs_param, 939 char *progname) 940 { 941 const char *ext_type = 0; 942 char *parse_str; 943 char *profile_type = 0; 944 char *cp, *t; 945 const char *size_type; 946 struct str_list list; 947 unsigned long meg; 948 int is_hurd = 0; 949 950 if (init_list(&list)) 951 return 0; 952 953 if (creator_os && (!strcasecmp(creator_os, "GNU") || 954 !strcasecmp(creator_os, "hurd"))) 955 is_hurd = 1; 956 957 if (fs_type) 958 ext_type = fs_type; 959 else if (is_hurd) 960 ext_type = "ext2"; 961 else if (!strcmp(program_name, "mke3fs")) 962 ext_type = "ext3"; 963 else if (progname) { 964 ext_type = strrchr(progname, '/'); 965 if (ext_type) 966 ext_type++; 967 else 968 ext_type = progname; 969 970 if (!strncmp(ext_type, "mkfs.", 5)) { 971 ext_type += 5; 972 if (ext_type[0] == 0) 973 ext_type = 0; 974 } else 975 ext_type = 0; 976 } 977 978 if (!ext_type) { 979 profile_get_string(profile, "defaults", "fs_type", 0, 980 "ext2", &profile_type); 981 ext_type = profile_type; 982 if (!strcmp(ext_type, "ext2") && (journal_size != 0)) 983 ext_type = "ext3"; 984 } 985 986 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") || 987 !strcmp(ext_type, "ext4dev")) { 988 profile_get_string(profile, "fs_types", ext_type, "features", 989 0, &t); 990 if (!t) { 991 printf(_("\nWarning! Your mke2fs.conf file does " 992 "not define the %s filesystem type.\n"), 993 ext_type); 994 printf(_("You probably need to install an updated " 995 "mke2fs.conf file.\n\n")); 996 sleep(5); 997 } 998 } 999 1000 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param); 1001 if (fs_param->s_blocks_count < 3 * meg) 1002 size_type = "floppy"; 1003 else if (fs_param->s_blocks_count < 512 * meg) 1004 size_type = "small"; 1005 else 1006 size_type = "default"; 1007 1008 if (!usage_types) 1009 usage_types = size_type; 1010 1011 parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1); 1012 if (!parse_str) { 1013 free(list.list); 1014 return 0; 1015 } 1016 if (usage_types) 1017 strcpy(parse_str, usage_types); 1018 else 1019 *parse_str = '\0'; 1020 1021 if (ext_type) 1022 push_string(&list, ext_type); 1023 cp = parse_str; 1024 while (1) { 1025 t = strchr(cp, ','); 1026 if (t) 1027 *t = '\0'; 1028 1029 if (*cp) 1030 push_string(&list, cp); 1031 if (t) 1032 cp = t+1; 1033 else { 1034 cp = ""; 1035 break; 1036 } 1037 } 1038 free(parse_str); 1039 free(profile_type); 1040 if (is_hurd) 1041 push_string(&list, "hurd"); 1042 return (list.list); 1043 } 1044 1045 static char *get_string_from_profile(char **fs_types, const char *opt, 1046 const char *def_val) 1047 { 1048 char *ret = 0; 1049 int i; 1050 1051 for (i=0; fs_types[i]; i++); 1052 for (i-=1; i >=0 ; i--) { 1053 profile_get_string(profile, "fs_types", fs_types[i], 1054 opt, 0, &ret); 1055 if (ret) 1056 return ret; 1057 } 1058 profile_get_string(profile, "defaults", opt, 0, def_val, &ret); 1059 return (ret); 1060 } 1061 1062 static int get_int_from_profile(char **fs_types, const char *opt, int def_val) 1063 { 1064 int ret; 1065 char **cpp; 1066 1067 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); 1068 for (cpp = fs_types; *cpp; cpp++) 1069 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); 1070 return ret; 1071 } 1072 1073 static int get_bool_from_profile(char **fs_types, const char *opt, int def_val) 1074 { 1075 int ret; 1076 char **cpp; 1077 1078 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); 1079 for (cpp = fs_types; *cpp; cpp++) 1080 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); 1081 return ret; 1082 } 1083 1084 extern const char *mke2fs_default_profile; 1085 static const char *default_files[] = { "<default>", 0 }; 1086 1087 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1088 /* 1089 * Sets the geometry of a device (stripe/stride), and returns the 1090 * device's alignment offset, if any, or a negative error. 1091 */ 1092 static int ext2fs_get_device_geometry(const char *file, 1093 struct ext2_super_block *fs_param) 1094 { 1095 int rc = -1; 1096 int blocksize; 1097 blkid_probe pr; 1098 blkid_topology tp; 1099 unsigned long min_io; 1100 unsigned long opt_io; 1101 struct stat statbuf; 1102 1103 /* Nothing to do for a regular file */ 1104 if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode)) 1105 return 0; 1106 1107 pr = blkid_new_probe_from_filename(file); 1108 if (!pr) 1109 goto out; 1110 1111 tp = blkid_probe_get_topology(pr); 1112 if (!tp) 1113 goto out; 1114 1115 min_io = blkid_topology_get_minimum_io_size(tp); 1116 opt_io = blkid_topology_get_optimal_io_size(tp); 1117 blocksize = EXT2_BLOCK_SIZE(fs_param); 1118 1119 fs_param->s_raid_stride = min_io / blocksize; 1120 fs_param->s_raid_stripe_width = opt_io / blocksize; 1121 1122 rc = blkid_topology_get_alignment_offset(tp); 1123 out: 1124 blkid_free_probe(pr); 1125 return rc; 1126 } 1127 #endif 1128 1129 static void PRS(int argc, char *argv[]) 1130 { 1131 int b, c; 1132 int size; 1133 char *tmp, **cpp; 1134 int blocksize = 0; 1135 int inode_ratio = 0; 1136 int inode_size = 0; 1137 unsigned long flex_bg_size = 0; 1138 double reserved_ratio = 5.0; 1139 int sector_size = 0; 1140 int show_version_only = 0; 1141 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ 1142 errcode_t retval; 1143 char * oldpath = getenv("PATH"); 1144 char * extended_opts = 0; 1145 const char * fs_type = 0; 1146 const char * usage_types = 0; 1147 blk_t dev_size; 1148 #ifdef __linux__ 1149 struct utsname ut; 1150 #endif 1151 long sysval; 1152 int s_opt = -1, r_opt = -1; 1153 char *fs_features = 0; 1154 int use_bsize; 1155 char *newpath; 1156 int pathlen = sizeof(PATH_SET) + 1; 1157 1158 if (oldpath) 1159 pathlen += strlen(oldpath); 1160 newpath = malloc(pathlen); 1161 strcpy(newpath, PATH_SET); 1162 1163 /* Update our PATH to include /sbin */ 1164 if (oldpath) { 1165 strcat (newpath, ":"); 1166 strcat (newpath, oldpath); 1167 } 1168 putenv (newpath); 1169 1170 tmp = getenv("MKE2FS_SYNC"); 1171 if (tmp) 1172 sync_kludge = atoi(tmp); 1173 1174 /* Determine the system page size if possible */ 1175 #ifdef HAVE_SYSCONF 1176 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) 1177 #define _SC_PAGESIZE _SC_PAGE_SIZE 1178 #endif 1179 #ifdef _SC_PAGESIZE 1180 sysval = sysconf(_SC_PAGESIZE); 1181 if (sysval > 0) 1182 sys_page_size = sysval; 1183 #endif /* _SC_PAGESIZE */ 1184 #endif /* HAVE_SYSCONF */ 1185 1186 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) 1187 config_fn[0] = tmp; 1188 profile_set_syntax_err_cb(syntax_err_report); 1189 retval = profile_init(config_fn, &profile); 1190 if (retval == ENOENT) { 1191 profile_init(default_files, &profile); 1192 profile_set_default(profile, mke2fs_default_profile); 1193 } 1194 1195 setbuf(stdout, NULL); 1196 setbuf(stderr, NULL); 1197 add_error_table(&et_ext2_error_table); 1198 add_error_table(&et_prof_error_table); 1199 memset(&fs_param, 0, sizeof(struct ext2_super_block)); 1200 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ 1201 1202 #ifdef __linux__ 1203 if (uname(&ut)) { 1204 perror("uname"); 1205 exit(1); 1206 } 1207 linux_version_code = parse_version_number(ut.release); 1208 if (linux_version_code && linux_version_code < (2*65536 + 2*256)) 1209 fs_param.s_rev_level = 0; 1210 #endif 1211 1212 if (argc && *argv) { 1213 program_name = get_progname(*argv); 1214 1215 /* If called as mkfs.ext3, create a journal inode */ 1216 if (!strcmp(program_name, "mkfs.ext3") || 1217 !strcmp(program_name, "mke3fs")) 1218 journal_size = -1; 1219 } 1220 1221 while ((c = getopt (argc, argv, 1222 "b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:KL:M:N:O:R:ST:U:V")) != EOF) { 1223 switch (c) { 1224 case 'b': 1225 blocksize = strtol(optarg, &tmp, 0); 1226 b = (blocksize > 0) ? blocksize : -blocksize; 1227 if (b < EXT2_MIN_BLOCK_SIZE || 1228 b > EXT2_MAX_BLOCK_SIZE || *tmp) { 1229 com_err(program_name, 0, 1230 _("invalid block size - %s"), optarg); 1231 exit(1); 1232 } 1233 if (blocksize > 4096) 1234 fprintf(stderr, _("Warning: blocksize %d not " 1235 "usable on most systems.\n"), 1236 blocksize); 1237 if (blocksize > 0) 1238 fs_param.s_log_block_size = 1239 int_log2(blocksize >> 1240 EXT2_MIN_BLOCK_LOG_SIZE); 1241 break; 1242 case 'c': /* Check for bad blocks */ 1243 #ifndef NO_CHECK_BB 1244 cflag++; 1245 #else 1246 com_err(program_name, 0, _("check for bad blocks disabled")); 1247 exit(1); 1248 #endif 1249 break; 1250 case 'f': 1251 size = strtoul(optarg, &tmp, 0); 1252 if (size < EXT2_MIN_BLOCK_SIZE || 1253 size > EXT2_MAX_BLOCK_SIZE || *tmp) { 1254 com_err(program_name, 0, 1255 _("invalid fragment size - %s"), 1256 optarg); 1257 exit(1); 1258 } 1259 fs_param.s_log_frag_size = 1260 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); 1261 fprintf(stderr, _("Warning: fragments not supported. " 1262 "Ignoring -f option\n")); 1263 break; 1264 case 'g': 1265 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); 1266 if (*tmp) { 1267 com_err(program_name, 0, 1268 _("Illegal number for blocks per group")); 1269 exit(1); 1270 } 1271 if ((fs_param.s_blocks_per_group % 8) != 0) { 1272 com_err(program_name, 0, 1273 _("blocks per group must be multiple of 8")); 1274 exit(1); 1275 } 1276 break; 1277 case 'G': 1278 flex_bg_size = strtoul(optarg, &tmp, 0); 1279 if (*tmp) { 1280 com_err(program_name, 0, 1281 _("Illegal number for flex_bg size")); 1282 exit(1); 1283 } 1284 if (flex_bg_size < 2 || 1285 (flex_bg_size & (flex_bg_size-1)) != 0) { 1286 com_err(program_name, 0, 1287 _("flex_bg size must be a power of 2")); 1288 exit(1); 1289 } 1290 break; 1291 case 'i': 1292 inode_ratio = strtoul(optarg, &tmp, 0); 1293 if (inode_ratio < EXT2_MIN_BLOCK_SIZE || 1294 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || 1295 *tmp) { 1296 com_err(program_name, 0, 1297 _("invalid inode ratio %s (min %d/max %d)"), 1298 optarg, EXT2_MIN_BLOCK_SIZE, 1299 EXT2_MAX_BLOCK_SIZE); 1300 exit(1); 1301 } 1302 break; 1303 case 'J': 1304 parse_journal_opts(optarg); 1305 break; 1306 case 'K': 1307 discard = 0; 1308 break; 1309 case 'j': 1310 if (!journal_size) 1311 journal_size = -1; 1312 break; 1313 case 'l': 1314 bad_blocks_filename = malloc(strlen(optarg)+1); 1315 if (!bad_blocks_filename) { 1316 com_err(program_name, ENOMEM, 1317 _("in malloc for bad_blocks_filename")); 1318 exit(1); 1319 } 1320 strcpy(bad_blocks_filename, optarg); 1321 break; 1322 case 'm': 1323 reserved_ratio = strtod(optarg, &tmp); 1324 if ( *tmp || reserved_ratio > 50 || 1325 reserved_ratio < 0) { 1326 com_err(program_name, 0, 1327 _("invalid reserved blocks percent - %s"), 1328 optarg); 1329 exit(1); 1330 } 1331 break; 1332 case 'n': 1333 noaction++; 1334 break; 1335 case 'o': 1336 creator_os = optarg; 1337 break; 1338 case 'q': 1339 quiet = 1; 1340 break; 1341 case 'r': 1342 r_opt = strtoul(optarg, &tmp, 0); 1343 if (*tmp) { 1344 com_err(program_name, 0, 1345 _("bad revision level - %s"), optarg); 1346 exit(1); 1347 } 1348 fs_param.s_rev_level = r_opt; 1349 break; 1350 case 's': /* deprecated */ 1351 s_opt = atoi(optarg); 1352 break; 1353 case 'I': 1354 inode_size = strtoul(optarg, &tmp, 0); 1355 if (*tmp) { 1356 com_err(program_name, 0, 1357 _("invalid inode size - %s"), optarg); 1358 exit(1); 1359 } 1360 break; 1361 case 'v': 1362 verbose = 1; 1363 break; 1364 case 'F': 1365 force++; 1366 break; 1367 case 'L': 1368 volume_label = optarg; 1369 break; 1370 case 'M': 1371 mount_dir = optarg; 1372 break; 1373 case 'N': 1374 num_inodes = strtoul(optarg, &tmp, 0); 1375 if (*tmp) { 1376 com_err(program_name, 0, 1377 _("bad num inodes - %s"), optarg); 1378 exit(1); 1379 } 1380 break; 1381 case 'O': 1382 fs_features = optarg; 1383 break; 1384 case 'E': 1385 case 'R': 1386 extended_opts = optarg; 1387 break; 1388 case 'S': 1389 super_only = 1; 1390 break; 1391 case 't': 1392 fs_type = optarg; 1393 break; 1394 case 'T': 1395 usage_types = optarg; 1396 break; 1397 case 'U': 1398 fs_uuid = optarg; 1399 break; 1400 case 'V': 1401 /* Print version number and exit */ 1402 show_version_only++; 1403 break; 1404 default: 1405 usage(); 1406 } 1407 } 1408 if ((optind == argc) && !show_version_only) 1409 usage(); 1410 device_name = argv[optind++]; 1411 1412 if (!quiet || show_version_only) 1413 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, 1414 E2FSPROGS_DATE); 1415 1416 if (show_version_only) { 1417 fprintf(stderr, _("\tUsing %s\n"), 1418 error_message(EXT2_ET_BASE)); 1419 exit(0); 1420 } 1421 1422 /* 1423 * If there's no blocksize specified and there is a journal 1424 * device, use it to figure out the blocksize 1425 */ 1426 if (blocksize <= 0 && journal_device) { 1427 ext2_filsys jfs; 1428 io_manager io_ptr; 1429 1430 #ifdef CONFIG_TESTIO_DEBUG 1431 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1432 io_ptr = test_io_manager; 1433 test_io_backing_manager = unix_io_manager; 1434 } else 1435 #endif 1436 io_ptr = unix_io_manager; 1437 retval = ext2fs_open(journal_device, 1438 EXT2_FLAG_JOURNAL_DEV_OK, 0, 1439 0, io_ptr, &jfs); 1440 if (retval) { 1441 com_err(program_name, retval, 1442 _("while trying to open journal device %s\n"), 1443 journal_device); 1444 exit(1); 1445 } 1446 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { 1447 com_err(program_name, 0, 1448 _("Journal dev blocksize (%d) smaller than " 1449 "minimum blocksize %d\n"), jfs->blocksize, 1450 -blocksize); 1451 exit(1); 1452 } 1453 blocksize = jfs->blocksize; 1454 printf(_("Using journal device's blocksize: %d\n"), blocksize); 1455 fs_param.s_log_block_size = 1456 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1457 ext2fs_close(jfs); 1458 } 1459 1460 if (blocksize > sys_page_size) { 1461 if (!force) { 1462 com_err(program_name, 0, 1463 _("%d-byte blocks too big for system (max %d)"), 1464 blocksize, sys_page_size); 1465 proceed_question(); 1466 } 1467 fprintf(stderr, _("Warning: %d-byte blocks too big for system " 1468 "(max %d), forced to continue\n"), 1469 blocksize, sys_page_size); 1470 } 1471 if (optind < argc) { 1472 fs_param.s_blocks_count = parse_num_blocks(argv[optind++], 1473 fs_param.s_log_block_size); 1474 if (!fs_param.s_blocks_count) { 1475 com_err(program_name, 0, _("invalid blocks count - %s"), 1476 argv[optind - 1]); 1477 exit(1); 1478 } 1479 } 1480 if (optind < argc) 1481 usage(); 1482 1483 if (!force) 1484 check_plausibility(device_name); 1485 check_mount(device_name, force, _("filesystem")); 1486 1487 fs_param.s_log_frag_size = fs_param.s_log_block_size; 1488 1489 if (noaction && fs_param.s_blocks_count) { 1490 dev_size = fs_param.s_blocks_count; 1491 retval = 0; 1492 } else { 1493 retry: 1494 retval = ext2fs_get_device_size(device_name, 1495 EXT2_BLOCK_SIZE(&fs_param), 1496 &dev_size); 1497 if ((retval == EFBIG) && 1498 (blocksize == 0) && 1499 (fs_param.s_log_block_size == 0)) { 1500 fs_param.s_log_block_size = 2; 1501 blocksize = 4096; 1502 goto retry; 1503 } 1504 } 1505 1506 if (retval == EFBIG) { 1507 blk64_t big_dev_size; 1508 1509 if (blocksize < 4096) { 1510 fs_param.s_log_block_size = 2; 1511 blocksize = 4096; 1512 } 1513 retval = ext2fs_get_device_size2(device_name, 1514 EXT2_BLOCK_SIZE(&fs_param), &big_dev_size); 1515 if (retval) 1516 goto get_size_failure; 1517 if (big_dev_size == (1ULL << 32)) { 1518 dev_size = (blk_t) (big_dev_size - 1); 1519 goto got_size; 1520 } 1521 fprintf(stderr, _("%s: Size of device %s too big " 1522 "to be expressed in 32 bits\n\t" 1523 "using a blocksize of %d.\n"), 1524 program_name, device_name, EXT2_BLOCK_SIZE(&fs_param)); 1525 exit(1); 1526 } 1527 get_size_failure: 1528 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { 1529 com_err(program_name, retval, 1530 _("while trying to determine filesystem size")); 1531 exit(1); 1532 } 1533 got_size: 1534 if (!fs_param.s_blocks_count) { 1535 if (retval == EXT2_ET_UNIMPLEMENTED) { 1536 com_err(program_name, 0, 1537 _("Couldn't determine device size; you " 1538 "must specify\nthe size of the " 1539 "filesystem\n")); 1540 exit(1); 1541 } else { 1542 if (dev_size == 0) { 1543 com_err(program_name, 0, 1544 _("Device size reported to be zero. " 1545 "Invalid partition specified, or\n\t" 1546 "partition table wasn't reread " 1547 "after running fdisk, due to\n\t" 1548 "a modified partition being busy " 1549 "and in use. You may need to reboot\n\t" 1550 "to re-read your partition table.\n" 1551 )); 1552 exit(1); 1553 } 1554 fs_param.s_blocks_count = dev_size; 1555 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) 1556 fs_param.s_blocks_count &= ~((sys_page_size / 1557 EXT2_BLOCK_SIZE(&fs_param))-1); 1558 } 1559 1560 } else if (!force && (fs_param.s_blocks_count > dev_size)) { 1561 com_err(program_name, 0, 1562 _("Filesystem larger than apparent device size.")); 1563 proceed_question(); 1564 } 1565 1566 fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]); 1567 if (!fs_types) { 1568 fprintf(stderr, _("Failed to parse fs types list\n")); 1569 exit(1); 1570 } 1571 1572 /* Figure out what features should be enabled */ 1573 1574 tmp = NULL; 1575 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { 1576 tmp = get_string_from_profile(fs_types, "base_features", 1577 "sparse_super,filetype,resize_inode,dir_index"); 1578 edit_feature(tmp, &fs_param.s_feature_compat); 1579 free(tmp); 1580 1581 for (cpp = fs_types; *cpp; cpp++) { 1582 tmp = NULL; 1583 profile_get_string(profile, "fs_types", *cpp, 1584 "features", "", &tmp); 1585 if (tmp && *tmp) 1586 edit_feature(tmp, &fs_param.s_feature_compat); 1587 free(tmp); 1588 } 1589 tmp = get_string_from_profile(fs_types, "default_features", 1590 ""); 1591 } 1592 edit_feature(fs_features ? fs_features : tmp, 1593 &fs_param.s_feature_compat); 1594 free(tmp); 1595 1596 if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1597 fs_types[0] = strdup("journal"); 1598 fs_types[1] = 0; 1599 } 1600 1601 if (verbose) { 1602 fputs(_("fs_types for mke2fs.conf resolution: "), stdout); 1603 print_str_list(fs_types); 1604 } 1605 1606 if (r_opt == EXT2_GOOD_OLD_REV && 1607 (fs_param.s_feature_compat || fs_param.s_feature_incompat || 1608 fs_param.s_feature_ro_compat)) { 1609 fprintf(stderr, _("Filesystem features not supported " 1610 "with revision 0 filesystems\n")); 1611 exit(1); 1612 } 1613 1614 if (s_opt > 0) { 1615 if (r_opt == EXT2_GOOD_OLD_REV) { 1616 fprintf(stderr, _("Sparse superblocks not supported " 1617 "with revision 0 filesystems\n")); 1618 exit(1); 1619 } 1620 fs_param.s_feature_ro_compat |= 1621 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1622 } else if (s_opt == 0) 1623 fs_param.s_feature_ro_compat &= 1624 ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1625 1626 if (journal_size != 0) { 1627 if (r_opt == EXT2_GOOD_OLD_REV) { 1628 fprintf(stderr, _("Journals not supported " 1629 "with revision 0 filesystems\n")); 1630 exit(1); 1631 } 1632 fs_param.s_feature_compat |= 1633 EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1634 } 1635 1636 if (fs_param.s_feature_incompat & 1637 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1638 reserved_ratio = 0; 1639 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; 1640 fs_param.s_feature_compat = 0; 1641 fs_param.s_feature_ro_compat = 0; 1642 } 1643 1644 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1645 (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) { 1646 fprintf(stderr, _("The resize_inode and meta_bg features " 1647 "are not compatible.\n" 1648 "They can not be both enabled " 1649 "simultaneously.\n")); 1650 exit(1); 1651 } 1652 1653 /* Set first meta blockgroup via an environment variable */ 1654 /* (this is mostly for debugging purposes) */ 1655 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1656 ((tmp = getenv("MKE2FS_FIRST_META_BG")))) 1657 fs_param.s_first_meta_bg = atoi(tmp); 1658 1659 /* Get the hardware sector size, if available */ 1660 retval = ext2fs_get_device_sectsize(device_name, §or_size); 1661 if (retval) { 1662 com_err(program_name, retval, 1663 _("while trying to determine hardware sector size")); 1664 exit(1); 1665 } 1666 1667 if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL) 1668 sector_size = atoi(tmp); 1669 1670 if (blocksize <= 0) { 1671 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); 1672 1673 if (use_bsize == -1) { 1674 use_bsize = sys_page_size; 1675 if ((linux_version_code < (2*65536 + 6*256)) && 1676 (use_bsize > 4096)) 1677 use_bsize = 4096; 1678 } 1679 if (sector_size && use_bsize < sector_size) 1680 use_bsize = sector_size; 1681 if ((blocksize < 0) && (use_bsize < (-blocksize))) 1682 use_bsize = -blocksize; 1683 blocksize = use_bsize; 1684 fs_param.s_blocks_count /= blocksize / 1024; 1685 } 1686 1687 if (inode_ratio == 0) { 1688 inode_ratio = get_int_from_profile(fs_types, "inode_ratio", 1689 8192); 1690 if (inode_ratio < blocksize) 1691 inode_ratio = blocksize; 1692 } 1693 1694 fs_param.s_log_frag_size = fs_param.s_log_block_size = 1695 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1696 1697 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1698 retval = ext2fs_get_device_geometry(device_name, &fs_param); 1699 if (retval < 0) { 1700 fprintf(stderr, 1701 _("warning: Unable to get device geometry for %s\n"), 1702 device_name); 1703 } else if (retval) { 1704 printf(_("%s alignment is offset by %lu bytes.\n"), 1705 device_name, retval); 1706 printf(_("This may result in very poor performance, " 1707 "(re)-partitioning suggested.\n")); 1708 } 1709 #endif 1710 1711 blocksize = EXT2_BLOCK_SIZE(&fs_param); 1712 1713 lazy_itable_init = get_bool_from_profile(fs_types, 1714 "lazy_itable_init", 0); 1715 1716 /* Get options from profile */ 1717 for (cpp = fs_types; *cpp; cpp++) { 1718 tmp = NULL; 1719 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp); 1720 if (tmp && *tmp) 1721 parse_extended_opts(&fs_param, tmp); 1722 free(tmp); 1723 } 1724 1725 if (extended_opts) 1726 parse_extended_opts(&fs_param, extended_opts); 1727 1728 /* Since sparse_super is the default, we would only have a problem 1729 * here if it was explicitly disabled. 1730 */ 1731 if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && 1732 !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { 1733 com_err(program_name, 0, 1734 _("reserved online resize blocks not supported " 1735 "on non-sparse filesystem")); 1736 exit(1); 1737 } 1738 1739 if (fs_param.s_blocks_per_group) { 1740 if (fs_param.s_blocks_per_group < 256 || 1741 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { 1742 com_err(program_name, 0, 1743 _("blocks per group count out of range")); 1744 exit(1); 1745 } 1746 } 1747 1748 if (inode_size == 0) 1749 inode_size = get_int_from_profile(fs_types, "inode_size", 0); 1750 if (!flex_bg_size && (fs_param.s_feature_incompat & 1751 EXT4_FEATURE_INCOMPAT_FLEX_BG)) 1752 flex_bg_size = get_int_from_profile(fs_types, 1753 "flex_bg_size", 16); 1754 if (flex_bg_size) { 1755 if (!(fs_param.s_feature_incompat & 1756 EXT4_FEATURE_INCOMPAT_FLEX_BG)) { 1757 com_err(program_name, 0, 1758 _("Flex_bg feature not enabled, so " 1759 "flex_bg size may not be specified")); 1760 exit(1); 1761 } 1762 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size); 1763 } 1764 1765 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { 1766 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || 1767 inode_size > EXT2_BLOCK_SIZE(&fs_param) || 1768 inode_size & (inode_size - 1)) { 1769 com_err(program_name, 0, 1770 _("invalid inode size %d (min %d/max %d)"), 1771 inode_size, EXT2_GOOD_OLD_INODE_SIZE, 1772 blocksize); 1773 exit(1); 1774 } 1775 fs_param.s_inode_size = inode_size; 1776 } 1777 1778 /* Make sure number of inodes specified will fit in 32 bits */ 1779 if (num_inodes == 0) { 1780 unsigned long long n; 1781 n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio; 1782 if (n > ~0U) { 1783 com_err(program_name, 0, 1784 _("too many inodes (%llu), raise inode ratio?"), n); 1785 exit(1); 1786 } 1787 } else if (num_inodes > ~0U) { 1788 com_err(program_name, 0, 1789 _("too many inodes (%llu), specify < 2^32 inodes"), 1790 num_inodes); 1791 exit(1); 1792 } 1793 /* 1794 * Calculate number of inodes based on the inode ratio 1795 */ 1796 fs_param.s_inodes_count = num_inodes ? num_inodes : 1797 ((__u64) fs_param.s_blocks_count * blocksize) 1798 / inode_ratio; 1799 1800 if ((((long long)fs_param.s_inodes_count) * 1801 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= 1802 (((long long)fs_param.s_blocks_count) * 1803 EXT2_BLOCK_SIZE(&fs_param))) { 1804 com_err(program_name, 0, _("inode_size (%u) * inodes_count " 1805 "(%u) too big for a\n\t" 1806 "filesystem with %lu blocks, " 1807 "specify higher inode_ratio (-i)\n\t" 1808 "or lower inode count (-N).\n"), 1809 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, 1810 fs_param.s_inodes_count, 1811 (unsigned long) fs_param.s_blocks_count); 1812 exit(1); 1813 } 1814 1815 /* 1816 * Calculate number of blocks to reserve 1817 */ 1818 fs_param.s_r_blocks_count = (unsigned int) (reserved_ratio * 1819 fs_param.s_blocks_count / 100.0); 1820 } 1821 1822 static int should_do_undo(const char *name) 1823 { 1824 errcode_t retval; 1825 io_channel channel; 1826 __u16 s_magic; 1827 struct ext2_super_block super; 1828 io_manager manager = unix_io_manager; 1829 int csum_flag, force_undo; 1830 1831 csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 1832 EXT4_FEATURE_RO_COMPAT_GDT_CSUM); 1833 force_undo = get_int_from_profile(fs_types, "force_undo", 0); 1834 if (!force_undo && (!csum_flag || !lazy_itable_init)) 1835 return 0; 1836 1837 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel); 1838 if (retval) { 1839 /* 1840 * We don't handle error cases instead we 1841 * declare that the file system doesn't exist 1842 * and let the rest of mke2fs take care of 1843 * error 1844 */ 1845 retval = 0; 1846 goto open_err_out; 1847 } 1848 1849 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET); 1850 retval = io_channel_read_blk(channel, 1, -SUPERBLOCK_SIZE, &super); 1851 if (retval) { 1852 retval = 0; 1853 goto err_out; 1854 } 1855 1856 #if defined(WORDS_BIGENDIAN) 1857 s_magic = ext2fs_swab16(super.s_magic); 1858 #else 1859 s_magic = super.s_magic; 1860 #endif 1861 1862 if (s_magic == EXT2_SUPER_MAGIC) 1863 retval = 1; 1864 1865 err_out: 1866 io_channel_close(channel); 1867 1868 open_err_out: 1869 1870 return retval; 1871 } 1872 1873 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr) 1874 { 1875 errcode_t retval = 0; 1876 char *tdb_dir, *tdb_file; 1877 char *device_name, *tmp_name; 1878 1879 /* 1880 * Configuration via a conf file would be 1881 * nice 1882 */ 1883 tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); 1884 if (!tdb_dir) 1885 profile_get_string(profile, "defaults", 1886 "undo_dir", 0, "/var/lib/e2fsprogs", 1887 &tdb_dir); 1888 1889 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || 1890 access(tdb_dir, W_OK)) 1891 return 0; 1892 1893 tmp_name = strdup(name); 1894 if (!tmp_name) { 1895 alloc_fn_fail: 1896 com_err(program_name, ENOMEM, 1897 _("Couldn't allocate memory for tdb filename\n")); 1898 return ENOMEM; 1899 } 1900 device_name = basename(tmp_name); 1901 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(device_name) + 7 + 1); 1902 if (!tdb_file) 1903 goto alloc_fn_fail; 1904 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name); 1905 1906 if (!access(tdb_file, F_OK)) { 1907 if (unlink(tdb_file) < 0) { 1908 retval = errno; 1909 com_err(program_name, retval, 1910 _("while trying to delete %s"), 1911 tdb_file); 1912 free(tdb_file); 1913 return retval; 1914 } 1915 } 1916 1917 set_undo_io_backing_manager(*io_ptr); 1918 *io_ptr = undo_io_manager; 1919 set_undo_io_backup_file(tdb_file); 1920 printf(_("Overwriting existing filesystem; this can be undone " 1921 "using the command:\n" 1922 " e2undo %s %s\n\n"), tdb_file, name); 1923 1924 free(tdb_file); 1925 free(tmp_name); 1926 return retval; 1927 } 1928 1929 #ifdef __linux__ 1930 1931 #ifndef BLKDISCARD 1932 #define BLKDISCARD _IO(0x12,119) 1933 #endif 1934 1935 static void mke2fs_discard_blocks(ext2_filsys fs) 1936 { 1937 int fd; 1938 int ret; 1939 int blocksize; 1940 __u64 blocks; 1941 __uint64_t range[2]; 1942 1943 blocks = fs->super->s_blocks_count; 1944 blocksize = EXT2_BLOCK_SIZE(fs->super); 1945 range[0] = 0; 1946 range[1] = blocks * blocksize; 1947 1948 #ifdef HAVE_OPEN64 1949 fd = open64(fs->device_name, O_RDWR); 1950 #else 1951 fd = open(fs->device_name, O_RDWR); 1952 #endif 1953 1954 /* 1955 * We don't care about whether the ioctl succeeds; it's only an 1956 * optmization for SSDs or sparse storage. 1957 */ 1958 if (fd > 0) { 1959 ret = ioctl(fd, BLKDISCARD, &range); 1960 if (verbose) { 1961 printf(_("Calling BLKDISCARD from %llu to %llu "), 1962 range[0], range[1]); 1963 if (ret) 1964 printf(_("failed.\n")); 1965 else 1966 printf(_("succeeded.\n")); 1967 } 1968 close(fd); 1969 } 1970 } 1971 #else 1972 #define mke2fs_discard_blocks(fs) 1973 #endif 1974 1975 int main (int argc, char *argv[]) 1976 { 1977 errcode_t retval = 0; 1978 ext2_filsys fs; 1979 badblocks_list bb_list = 0; 1980 unsigned int journal_blocks; 1981 unsigned int i; 1982 int val, hash_alg; 1983 io_manager io_ptr; 1984 char tdb_string[40]; 1985 char *hash_alg_str; 1986 1987 #ifdef ENABLE_NLS 1988 setlocale(LC_MESSAGES, ""); 1989 setlocale(LC_CTYPE, ""); 1990 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 1991 textdomain(NLS_CAT_NAME); 1992 #endif 1993 PRS(argc, argv); 1994 1995 #ifdef CONFIG_TESTIO_DEBUG 1996 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1997 io_ptr = test_io_manager; 1998 test_io_backing_manager = unix_io_manager; 1999 } else 2000 #endif 2001 io_ptr = unix_io_manager; 2002 2003 if (should_do_undo(device_name)) { 2004 retval = mke2fs_setup_tdb(device_name, &io_ptr); 2005 if (retval) 2006 exit(1); 2007 } 2008 2009 /* 2010 * Initialize the superblock.... 2011 */ 2012 retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param, 2013 io_ptr, &fs); 2014 if (retval) { 2015 com_err(device_name, retval, _("while setting up superblock")); 2016 exit(1); 2017 } 2018 2019 /* Can't undo discard ... */ 2020 if (discard && (io_ptr != undo_io_manager)) 2021 mke2fs_discard_blocks(fs); 2022 2023 sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? 2024 32768 : fs->blocksize * 8); 2025 io_channel_set_options(fs->io, tdb_string); 2026 2027 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) 2028 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; 2029 2030 if ((fs_param.s_feature_incompat & 2031 (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) || 2032 (fs_param.s_feature_ro_compat & 2033 (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM| 2034 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 2035 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE))) 2036 fs->super->s_kbytes_written = 1; 2037 2038 /* 2039 * Wipe out the old on-disk superblock 2040 */ 2041 if (!noaction) 2042 zap_sector(fs, 2, 6); 2043 2044 /* 2045 * Parse or generate a UUID for the filesystem 2046 */ 2047 if (fs_uuid) { 2048 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) { 2049 com_err(device_name, 0, "could not parse UUID: %s\n", 2050 fs_uuid); 2051 exit(1); 2052 } 2053 } else 2054 uuid_generate(fs->super->s_uuid); 2055 2056 /* 2057 * Initialize the directory index variables 2058 */ 2059 hash_alg_str = get_string_from_profile(fs_types, "hash_alg", 2060 "half_md4"); 2061 hash_alg = e2p_string2hash(hash_alg_str); 2062 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg : 2063 EXT2_HASH_HALF_MD4; 2064 uuid_generate((unsigned char *) fs->super->s_hash_seed); 2065 2066 /* 2067 * Add "jitter" to the superblock's check interval so that we 2068 * don't check all the filesystems at the same time. We use a 2069 * kludgy hack of using the UUID to derive a random jitter value. 2070 */ 2071 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) 2072 val += fs->super->s_uuid[i]; 2073 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; 2074 2075 /* 2076 * Override the creator OS, if applicable 2077 */ 2078 if (creator_os && !set_os(fs->super, creator_os)) { 2079 com_err (program_name, 0, _("unknown os - %s"), creator_os); 2080 exit(1); 2081 } 2082 2083 /* 2084 * For the Hurd, we will turn off filetype since it doesn't 2085 * support it. 2086 */ 2087 if (fs->super->s_creator_os == EXT2_OS_HURD) 2088 fs->super->s_feature_incompat &= 2089 ~EXT2_FEATURE_INCOMPAT_FILETYPE; 2090 2091 /* 2092 * Set the volume label... 2093 */ 2094 if (volume_label) { 2095 memset(fs->super->s_volume_name, 0, 2096 sizeof(fs->super->s_volume_name)); 2097 strncpy(fs->super->s_volume_name, volume_label, 2098 sizeof(fs->super->s_volume_name)); 2099 } 2100 2101 /* 2102 * Set the last mount directory 2103 */ 2104 if (mount_dir) { 2105 memset(fs->super->s_last_mounted, 0, 2106 sizeof(fs->super->s_last_mounted)); 2107 strncpy(fs->super->s_last_mounted, mount_dir, 2108 sizeof(fs->super->s_last_mounted)); 2109 } 2110 2111 if (!quiet || noaction) 2112 show_stats(fs); 2113 2114 if (noaction) 2115 exit(0); 2116 2117 if (fs->super->s_feature_incompat & 2118 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 2119 create_journal_dev(fs); 2120 exit(ext2fs_close(fs) ? 1 : 0); 2121 } 2122 2123 if (bad_blocks_filename) 2124 read_bb_file(fs, &bb_list, bad_blocks_filename); 2125 2126 #ifndef NO_CHECK_BB 2127 if (cflag) 2128 test_disk(fs, &bb_list); 2129 #endif 2130 2131 handle_bad_blocks(fs, bb_list); 2132 fs->stride = fs_stride = fs->super->s_raid_stride; 2133 retval = ext2fs_allocate_tables(fs); 2134 if (retval) { 2135 com_err(program_name, retval, 2136 _("while trying to allocate filesystem tables")); 2137 exit(1); 2138 } 2139 if (super_only) { 2140 fs->super->s_state |= EXT2_ERROR_FS; 2141 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); 2142 } else { 2143 /* rsv must be a power of two (64kB is MD RAID sb alignment) */ 2144 unsigned int rsv = 65536 / fs->blocksize; 2145 unsigned long blocks = fs->super->s_blocks_count; 2146 unsigned long start; 2147 blk_t ret_blk; 2148 2149 #ifdef ZAP_BOOTBLOCK 2150 zap_sector(fs, 0, 2); 2151 #endif 2152 2153 /* 2154 * Wipe out any old MD RAID (or other) metadata at the end 2155 * of the device. This will also verify that the device is 2156 * as large as we think. Be careful with very small devices. 2157 */ 2158 start = (blocks & ~(rsv - 1)); 2159 if (start > rsv) 2160 start -= rsv; 2161 if (start > 0) 2162 retval = ext2fs_zero_blocks(fs, start, blocks - start, 2163 &ret_blk, NULL); 2164 2165 if (retval) { 2166 com_err(program_name, retval, 2167 _("while zeroing block %u at end of filesystem"), 2168 ret_blk); 2169 } 2170 write_inode_tables(fs, lazy_itable_init); 2171 create_root_dir(fs); 2172 create_lost_and_found(fs); 2173 reserve_inodes(fs); 2174 create_bad_block_inode(fs, bb_list); 2175 if (fs->super->s_feature_compat & 2176 EXT2_FEATURE_COMPAT_RESIZE_INODE) { 2177 retval = ext2fs_create_resize_inode(fs); 2178 if (retval) { 2179 com_err("ext2fs_create_resize_inode", retval, 2180 _("while reserving blocks for online resize")); 2181 exit(1); 2182 } 2183 } 2184 } 2185 2186 if (journal_device) { 2187 ext2_filsys jfs; 2188 2189 if (!force) 2190 check_plausibility(journal_device); 2191 check_mount(journal_device, force, _("journal")); 2192 2193 retval = ext2fs_open(journal_device, EXT2_FLAG_RW| 2194 EXT2_FLAG_JOURNAL_DEV_OK, 0, 2195 fs->blocksize, unix_io_manager, &jfs); 2196 if (retval) { 2197 com_err(program_name, retval, 2198 _("while trying to open journal device %s\n"), 2199 journal_device); 2200 exit(1); 2201 } 2202 if (!quiet) { 2203 printf(_("Adding journal to device %s: "), 2204 journal_device); 2205 fflush(stdout); 2206 } 2207 retval = ext2fs_add_journal_device(fs, jfs); 2208 if(retval) { 2209 com_err (program_name, retval, 2210 _("\n\twhile trying to add journal to device %s"), 2211 journal_device); 2212 exit(1); 2213 } 2214 if (!quiet) 2215 printf(_("done\n")); 2216 ext2fs_close(jfs); 2217 free(journal_device); 2218 } else if ((journal_size) || 2219 (fs_param.s_feature_compat & 2220 EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { 2221 journal_blocks = figure_journal_size(journal_size, fs); 2222 2223 if (super_only) { 2224 printf(_("Skipping journal creation in super-only mode\n")); 2225 fs->super->s_journal_inum = EXT2_JOURNAL_INO; 2226 goto no_journal; 2227 } 2228 2229 if (!journal_blocks) { 2230 fs->super->s_feature_compat &= 2231 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 2232 goto no_journal; 2233 } 2234 if (!quiet) { 2235 printf(_("Creating journal (%u blocks): "), 2236 journal_blocks); 2237 fflush(stdout); 2238 } 2239 retval = ext2fs_add_journal_inode(fs, journal_blocks, 2240 journal_flags); 2241 if (retval) { 2242 com_err (program_name, retval, 2243 _("\n\twhile trying to create journal")); 2244 exit(1); 2245 } 2246 if (!quiet) 2247 printf(_("done\n")); 2248 } 2249 no_journal: 2250 2251 if (!quiet) 2252 printf(_("Writing superblocks and " 2253 "filesystem accounting information: ")); 2254 retval = ext2fs_flush(fs); 2255 if (retval) { 2256 fprintf(stderr, 2257 _("\nWarning, had trouble writing out superblocks.")); 2258 } 2259 if (!quiet) { 2260 printf(_("done\n\n")); 2261 if (!getenv("MKE2FS_SKIP_CHECK_MSG")) 2262 print_check_message(fs); 2263 } 2264 val = ext2fs_close(fs); 2265 remove_error_table(&et_ext2_error_table); 2266 remove_error_table(&et_prof_error_table); 2267 profile_release(profile); 2268 return (retval || val) ? 1 : 0; 2269 } 2270
