mke2fs.c revision 4efbac6fed75c29d3d5f1b676b932754653a2ac5
1/* 2 * mke2fs.c - Make a ext2fs filesystem. 3 * 4 * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 5 * 2003, 2004, 2005 by Theodore Ts'o. 6 * 7 * %Begin-Header% 8 * This file may be redistributed under the terms of the GNU Public 9 * License. 10 * %End-Header% 11 */ 12 13/* Usage: mke2fs [options] device 14 * 15 * The device may be a block device or a image of one, but this isn't 16 * enforced (but it's not much fun on a character device :-). 17 */ 18 19#define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX in Solaris */ 20 21#include <stdio.h> 22#include <string.h> 23#include <strings.h> 24#include <fcntl.h> 25#include <ctype.h> 26#include <time.h> 27#ifdef __linux__ 28#include <sys/utsname.h> 29#endif 30#ifdef HAVE_GETOPT_H 31#include <getopt.h> 32#else 33extern char *optarg; 34extern int optind; 35#endif 36#ifdef HAVE_UNISTD_H 37#include <unistd.h> 38#endif 39#ifdef HAVE_STDLIB_H 40#include <stdlib.h> 41#endif 42#ifdef HAVE_ERRNO_H 43#include <errno.h> 44#endif 45#ifdef HAVE_MNTENT_H 46#include <mntent.h> 47#endif 48#include <sys/ioctl.h> 49#include <sys/types.h> 50#include <libgen.h> 51#include <limits.h> 52 53#include "ext2fs/ext2_fs.h" 54#include "ext2fs/ext2fsP.h" 55#include "et/com_err.h" 56#include "uuid/uuid.h" 57#include "e2p/e2p.h" 58#include "ext2fs/ext2fs.h" 59#include "util.h" 60#include "profile.h" 61#include "prof_err.h" 62#include "../version.h" 63#include "nls-enable.h" 64 65#define STRIDE_LENGTH 8 66 67#ifndef __sparc__ 68#define ZAP_BOOTBLOCK 69#endif 70 71extern int isatty(int); 72extern FILE *fpopen(const char *cmd, const char *mode); 73 74const char * program_name = "mke2fs"; 75const char * device_name /* = NULL */; 76 77/* Command line options */ 78int cflag; 79int verbose; 80int quiet; 81int super_only; 82int force; 83int noaction; 84int journal_size; 85int journal_flags; 86int lazy_itable_init; 87char *bad_blocks_filename; 88__u32 fs_stride; 89 90struct ext2_super_block fs_param; 91char *fs_uuid = NULL; 92char *creator_os; 93char *volume_label; 94char *mount_dir; 95char *journal_device; 96int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ 97char **fs_types; 98 99profile_t profile; 100 101int sys_page_size = 4096; 102int linux_version_code = 0; 103 104static void usage(void) 105{ 106 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " 107 "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] " 108 "[-J journal-options]\n" 109 "\t[-G meta group size] [-N number-of-inodes]\n" 110 "\t[-m reserved-blocks-percentage] [-o creator-os]\n" 111 "\t[-g blocks-per-group] [-L volume-label] " 112 "[-M last-mounted-directory]\n\t[-O feature[,...]] " 113 "[-r fs-revision] [-E extended-option[,...]]\n" 114 "\t[-T fs-type] [-U UUID] [-jnqvFSV] device [blocks-count]\n"), 115 program_name); 116 exit(1); 117} 118 119static int int_log2(int arg) 120{ 121 int l = 0; 122 123 arg >>= 1; 124 while (arg) { 125 l++; 126 arg >>= 1; 127 } 128 return l; 129} 130 131static int int_log10(unsigned int arg) 132{ 133 int l; 134 135 for (l=0; arg ; l++) 136 arg = arg / 10; 137 return l; 138} 139 140static int parse_version_number(const char *s) 141{ 142 int major, minor, rev; 143 char *endptr; 144 const char *cp = s; 145 146 if (!s) 147 return 0; 148 major = strtol(cp, &endptr, 10); 149 if (cp == endptr || *endptr != '.') 150 return 0; 151 cp = endptr + 1; 152 minor = strtol(cp, &endptr, 10); 153 if (cp == endptr || *endptr != '.') 154 return 0; 155 cp = endptr + 1; 156 rev = strtol(cp, &endptr, 10); 157 if (cp == endptr) 158 return 0; 159 return ((((major * 256) + minor) * 256) + rev); 160} 161 162/* 163 * Helper function for read_bb_file and test_disk 164 */ 165static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) 166{ 167 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); 168 return; 169} 170 171/* 172 * Reads the bad blocks list from a file 173 */ 174static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, 175 const char *bad_blocks_file) 176{ 177 FILE *f; 178 errcode_t retval; 179 180 f = fopen(bad_blocks_file, "r"); 181 if (!f) { 182 com_err("read_bad_blocks_file", errno, 183 _("while trying to open %s"), bad_blocks_file); 184 exit(1); 185 } 186 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 187 fclose (f); 188 if (retval) { 189 com_err("ext2fs_read_bb_FILE", retval, 190 _("while reading in list of bad blocks from file")); 191 exit(1); 192 } 193} 194 195/* 196 * Runs the badblocks program to test the disk 197 */ 198static void test_disk(ext2_filsys fs, badblocks_list *bb_list) 199{ 200 FILE *f; 201 errcode_t retval; 202 char buf[1024]; 203 204 sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize, 205 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", 206 fs->device_name, ext2fs_blocks_count(fs->super)-1); 207 if (verbose) 208 printf(_("Running command: %s\n"), buf); 209 f = popen(buf, "r"); 210 if (!f) { 211 com_err("popen", errno, 212 _("while trying to run '%s'"), buf); 213 exit(1); 214 } 215 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 216 pclose(f); 217 if (retval) { 218 com_err("ext2fs_read_bb_FILE", retval, 219 _("while processing list of bad blocks from program")); 220 exit(1); 221 } 222} 223 224static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) 225{ 226 dgrp_t i; 227 blk_t j; 228 unsigned must_be_good; 229 blk_t blk; 230 badblocks_iterate bb_iter; 231 errcode_t retval; 232 blk_t group_block; 233 int group; 234 int group_bad; 235 236 if (!bb_list) 237 return; 238 239 /* 240 * The primary superblock and group descriptors *must* be 241 * good; if not, abort. 242 */ 243 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; 244 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { 245 if (ext2fs_badblocks_list_test(bb_list, i)) { 246 fprintf(stderr, _("Block %d in primary " 247 "superblock/group descriptor area bad.\n"), i); 248 fprintf(stderr, _("Blocks %u through %u must be good " 249 "in order to build a filesystem.\n"), 250 fs->super->s_first_data_block, must_be_good); 251 fputs(_("Aborting....\n"), stderr); 252 exit(1); 253 } 254 } 255 256 /* 257 * See if any of the bad blocks are showing up in the backup 258 * superblocks and/or group descriptors. If so, issue a 259 * warning and adjust the block counts appropriately. 260 */ 261 group_block = fs->super->s_first_data_block + 262 fs->super->s_blocks_per_group; 263 264 for (i = 1; i < fs->group_desc_count; i++) { 265 group_bad = 0; 266 for (j=0; j < fs->desc_blocks+1; j++) { 267 if (ext2fs_badblocks_list_test(bb_list, 268 group_block + j)) { 269 if (!group_bad) 270 fprintf(stderr, 271_("Warning: the backup superblock/group descriptors at block %u contain\n" 272" bad blocks.\n\n"), 273 group_block); 274 group_bad++; 275 group = ext2fs_group_of_blk(fs, group_block+j); 276 fs->group_desc[group].bg_free_blocks_count++; 277 ext2fs_group_desc_csum_set(fs, group); 278 ext2fs_free_blocks_count_add(fs->super, 1); 279 } 280 } 281 group_block += fs->super->s_blocks_per_group; 282 } 283 284 /* 285 * Mark all the bad blocks as used... 286 */ 287 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); 288 if (retval) { 289 com_err("ext2fs_badblocks_list_iterate_begin", retval, 290 _("while marking bad blocks as used")); 291 exit(1); 292 } 293 while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) 294 ext2fs_mark_block_bitmap2(fs->block_map, blk); 295 ext2fs_badblocks_list_iterate_end(bb_iter); 296} 297 298static void write_inode_tables(ext2_filsys fs, int lazy_flag) 299{ 300 errcode_t retval; 301 blk_t blk; 302 dgrp_t i; 303 int num, ipb; 304 struct ext2fs_numeric_progress_struct progress; 305 306 ext2fs_numeric_progress_init(fs, &progress, 307 _("Writing inode tables: "), 308 fs->group_desc_count); 309 310 for (i = 0; i < fs->group_desc_count; i++) { 311 ext2fs_numeric_progress_update(fs, &progress, i); 312 313 blk = fs->group_desc[i].bg_inode_table; 314 num = fs->inode_blocks_per_group; 315 316 if (lazy_flag) { 317 ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super); 318 num = ((((fs->super->s_inodes_per_group - 319 fs->group_desc[i].bg_itable_unused) * 320 EXT2_INODE_SIZE(fs->super)) + 321 EXT2_BLOCK_SIZE(fs->super) - 1) / 322 EXT2_BLOCK_SIZE(fs->super)); 323 } else { 324 /* The kernel doesn't need to zero the itable blocks */ 325 ext2fs_bg_flag_set(fs, i, EXT2_BG_INODE_ZEROED); 326 ext2fs_group_desc_csum_set(fs, i); 327 } 328 retval = ext2fs_zero_blocks(fs, blk, num, &blk, &num); 329 if (retval) { 330 fprintf(stderr, _("\nCould not write %d " 331 "blocks in inode table starting at %u: %s\n"), 332 num, blk, error_message(retval)); 333 exit(1); 334 } 335 if (sync_kludge) { 336 if (sync_kludge == 1) 337 sync(); 338 else if ((i % sync_kludge) == 0) 339 sync(); 340 } 341 } 342 ext2fs_zero_blocks(0, 0, 0, 0, 0); 343 ext2fs_numeric_progress_close(fs, &progress, 344 _("done \n")); 345} 346 347static void create_root_dir(ext2_filsys fs) 348{ 349 errcode_t retval; 350 struct ext2_inode inode; 351 __u32 uid, gid; 352 353 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); 354 if (retval) { 355 com_err("ext2fs_mkdir", retval, _("while creating root dir")); 356 exit(1); 357 } 358 if (geteuid()) { 359 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); 360 if (retval) { 361 com_err("ext2fs_read_inode", retval, 362 _("while reading root inode")); 363 exit(1); 364 } 365 uid = getuid(); 366 inode.i_uid = uid; 367 ext2fs_set_i_uid_high(inode, uid >> 16); 368 if (uid) { 369 gid = getgid(); 370 inode.i_gid = gid; 371 ext2fs_set_i_gid_high(inode, gid >> 16); 372 } 373 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); 374 if (retval) { 375 com_err("ext2fs_write_inode", retval, 376 _("while setting root inode ownership")); 377 exit(1); 378 } 379 } 380} 381 382static void create_lost_and_found(ext2_filsys fs) 383{ 384 unsigned int lpf_size = 0; 385 errcode_t retval; 386 ext2_ino_t ino; 387 const char *name = "lost+found"; 388 int i; 389 390 fs->umask = 077; 391 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); 392 if (retval) { 393 com_err("ext2fs_mkdir", retval, 394 _("while creating /lost+found")); 395 exit(1); 396 } 397 398 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); 399 if (retval) { 400 com_err("ext2_lookup", retval, 401 _("while looking up /lost+found")); 402 exit(1); 403 } 404 405 for (i=1; i < EXT2_NDIR_BLOCKS; i++) { 406 /* Ensure that lost+found is at least 2 blocks, so we always 407 * test large empty blocks for big-block filesystems. */ 408 if ((lpf_size += fs->blocksize) >= 16*1024 && 409 lpf_size >= 2 * fs->blocksize) 410 break; 411 retval = ext2fs_expand_dir(fs, ino); 412 if (retval) { 413 com_err("ext2fs_expand_dir", retval, 414 _("while expanding /lost+found")); 415 exit(1); 416 } 417 } 418} 419 420static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) 421{ 422 errcode_t retval; 423 424 ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO); 425 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); 426 retval = ext2fs_update_bb_inode(fs, bb_list); 427 if (retval) { 428 com_err("ext2fs_update_bb_inode", retval, 429 _("while setting bad block inode")); 430 exit(1); 431 } 432 433} 434 435static void reserve_inodes(ext2_filsys fs) 436{ 437 ext2_ino_t i; 438 439 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) 440 ext2fs_inode_alloc_stats2(fs, i, +1, 0); 441 ext2fs_mark_ib_dirty(fs); 442} 443 444#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ 445#define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ 446#define BSD_LABEL_OFFSET 64 447 448static void zap_sector(ext2_filsys fs, int sect, int nsect) 449{ 450 char *buf; 451 int retval; 452 unsigned int *magic; 453 454 buf = malloc(512*nsect); 455 if (!buf) { 456 printf(_("Out of memory erasing sectors %d-%d\n"), 457 sect, sect + nsect - 1); 458 exit(1); 459 } 460 461 if (sect == 0) { 462 /* Check for a BSD disklabel, and don't erase it if so */ 463 retval = io_channel_read_blk64(fs->io, 0, -512, buf); 464 if (retval) 465 fprintf(stderr, 466 _("Warning: could not read block 0: %s\n"), 467 error_message(retval)); 468 else { 469 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); 470 if ((*magic == BSD_DISKMAGIC) || 471 (*magic == BSD_MAGICDISK)) 472 return; 473 } 474 } 475 476 memset(buf, 0, 512*nsect); 477 io_channel_set_blksize(fs->io, 512); 478 retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf); 479 io_channel_set_blksize(fs->io, fs->blocksize); 480 free(buf); 481 if (retval) 482 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), 483 sect, error_message(retval)); 484} 485 486static void create_journal_dev(ext2_filsys fs) 487{ 488 struct ext2fs_numeric_progress_struct progress; 489 errcode_t retval; 490 char *buf; 491 blk_t blk, err_blk; 492 int c, count, err_count; 493 494 retval = ext2fs_create_journal_superblock(fs, 495 ext2fs_blocks_count(fs->super), 0, &buf); 496 if (retval) { 497 com_err("create_journal_dev", retval, 498 _("while initializing journal superblock")); 499 exit(1); 500 } 501 ext2fs_numeric_progress_init(fs, &progress, 502 _("Zeroing journal device: "), 503 ext2fs_blocks_count(fs->super)); 504 blk = 0; 505 count = ext2fs_blocks_count(fs->super); 506 while (count > 0) { 507 if (count > 1024) 508 c = 1024; 509 else 510 c = count; 511 retval = ext2fs_zero_blocks(fs, blk, c, &err_blk, &err_count); 512 if (retval) { 513 com_err("create_journal_dev", retval, 514 _("while zeroing journal device " 515 "(block %u, count %d)"), 516 err_blk, err_count); 517 exit(1); 518 } 519 blk += c; 520 count -= c; 521 ext2fs_numeric_progress_update(fs, &progress, blk); 522 } 523 ext2fs_zero_blocks(0, 0, 0, 0, 0); 524 525 retval = io_channel_write_blk64(fs->io, 526 fs->super->s_first_data_block+1, 527 1, buf); 528 if (retval) { 529 com_err("create_journal_dev", retval, 530 _("while writing journal superblock")); 531 exit(1); 532 } 533 ext2fs_numeric_progress_close(fs, &progress, NULL); 534} 535 536static void show_stats(ext2_filsys fs) 537{ 538 struct ext2_super_block *s = fs->super; 539 char buf[80]; 540 char *os; 541 blk_t group_block; 542 dgrp_t i; 543 int need, col_left; 544 545 if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s)) 546 fprintf(stderr, _("warning: %llu blocks unused.\n\n"), 547 ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s)); 548 549 memset(buf, 0, sizeof(buf)); 550 strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); 551 printf(_("Filesystem label=%s\n"), buf); 552 fputs(_("OS type: "), stdout); 553 os = e2p_os2string(fs->super->s_creator_os); 554 fputs(os, stdout); 555 free(os); 556 printf("\n"); 557 printf(_("Block size=%u (log=%u)\n"), fs->blocksize, 558 s->s_log_block_size); 559 printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize, 560 s->s_log_frag_size); 561 printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count, 562 ext2fs_blocks_count(s)); 563 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"), 564 ext2fs_r_blocks_count(s), 565 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s)); 566 printf(_("First data block=%u\n"), s->s_first_data_block); 567 if (s->s_reserved_gdt_blocks) 568 printf(_("Maximum filesystem blocks=%lu\n"), 569 (s->s_reserved_gdt_blocks + fs->desc_blocks) * 570 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); 571 if (fs->group_desc_count > 1) 572 printf(_("%u block groups\n"), fs->group_desc_count); 573 else 574 printf(_("%u block group\n"), fs->group_desc_count); 575 printf(_("%u blocks per group, %u fragments per group\n"), 576 s->s_blocks_per_group, s->s_frags_per_group); 577 printf(_("%u inodes per group\n"), s->s_inodes_per_group); 578 579 if (fs->group_desc_count == 1) { 580 printf("\n"); 581 return; 582 } 583 584 printf(_("Superblock backups stored on blocks: ")); 585 group_block = s->s_first_data_block; 586 col_left = 0; 587 for (i = 1; i < fs->group_desc_count; i++) { 588 group_block += s->s_blocks_per_group; 589 if (!ext2fs_bg_has_super(fs, i)) 590 continue; 591 if (i != 1) 592 printf(", "); 593 need = int_log10(group_block) + 2; 594 if (need > col_left) { 595 printf("\n\t"); 596 col_left = 72; 597 } 598 col_left -= need; 599 printf("%u", group_block); 600 } 601 printf("\n\n"); 602} 603 604/* 605 * Set the S_CREATOR_OS field. Return true if OS is known, 606 * otherwise, 0. 607 */ 608static int set_os(struct ext2_super_block *sb, char *os) 609{ 610 if (isdigit (*os)) 611 sb->s_creator_os = atoi (os); 612 else if (strcasecmp(os, "linux") == 0) 613 sb->s_creator_os = EXT2_OS_LINUX; 614 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) 615 sb->s_creator_os = EXT2_OS_HURD; 616 else if (strcasecmp(os, "freebsd") == 0) 617 sb->s_creator_os = EXT2_OS_FREEBSD; 618 else if (strcasecmp(os, "lites") == 0) 619 sb->s_creator_os = EXT2_OS_LITES; 620 else 621 return 0; 622 return 1; 623} 624 625#define PATH_SET "PATH=/sbin" 626 627static void parse_extended_opts(struct ext2_super_block *param, 628 const char *opts) 629{ 630 char *buf, *token, *next, *p, *arg, *badopt = 0; 631 int len; 632 int r_usage = 0; 633 634 len = strlen(opts); 635 buf = malloc(len+1); 636 if (!buf) { 637 fprintf(stderr, 638 _("Couldn't allocate memory to parse options!\n")); 639 exit(1); 640 } 641 strcpy(buf, opts); 642 for (token = buf; token && *token; token = next) { 643 p = strchr(token, ','); 644 next = 0; 645 if (p) { 646 *p = 0; 647 next = p+1; 648 } 649 arg = strchr(token, '='); 650 if (arg) { 651 *arg = 0; 652 arg++; 653 } 654 if (strcmp(token, "stride") == 0) { 655 if (!arg) { 656 r_usage++; 657 badopt = token; 658 continue; 659 } 660 param->s_raid_stride = strtoul(arg, &p, 0); 661 if (*p || (param->s_raid_stride == 0)) { 662 fprintf(stderr, 663 _("Invalid stride parameter: %s\n"), 664 arg); 665 r_usage++; 666 continue; 667 } 668 } else if (strcmp(token, "stripe-width") == 0 || 669 strcmp(token, "stripe_width") == 0) { 670 if (!arg) { 671 r_usage++; 672 badopt = token; 673 continue; 674 } 675 param->s_raid_stripe_width = strtoul(arg, &p, 0); 676 if (*p || (param->s_raid_stripe_width == 0)) { 677 fprintf(stderr, 678 _("Invalid stripe-width parameter: %s\n"), 679 arg); 680 r_usage++; 681 continue; 682 } 683 } else if (!strcmp(token, "resize")) { 684 unsigned long resize, bpg, rsv_groups; 685 unsigned long group_desc_count, desc_blocks; 686 unsigned int gdpb, blocksize; 687 int rsv_gdb; 688 689 if (!arg) { 690 r_usage++; 691 badopt = token; 692 continue; 693 } 694 695 resize = parse_num_blocks(arg, 696 param->s_log_block_size); 697 698 if (resize == 0) { 699 fprintf(stderr, 700 _("Invalid resize parameter: %s\n"), 701 arg); 702 r_usage++; 703 continue; 704 } 705 if (resize <= ext2fs_blocks_count(param)) { 706 fprintf(stderr, 707 _("The resize maximum must be greater " 708 "than the filesystem size.\n")); 709 r_usage++; 710 continue; 711 } 712 713 blocksize = EXT2_BLOCK_SIZE(param); 714 bpg = param->s_blocks_per_group; 715 if (!bpg) 716 bpg = blocksize * 8; 717 gdpb = EXT2_DESC_PER_BLOCK(param); 718 group_desc_count = (__u32) ext2fs_div64_ceil( 719 ext2fs_blocks_count(param), bpg); 720 desc_blocks = (group_desc_count + 721 gdpb - 1) / gdpb; 722 rsv_groups = ext2fs_div_ceil(resize, bpg); 723 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - 724 desc_blocks; 725 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) 726 rsv_gdb = EXT2_ADDR_PER_BLOCK(param); 727 728 if (rsv_gdb > 0) { 729 if (param->s_rev_level == EXT2_GOOD_OLD_REV) { 730 fprintf(stderr, 731 _("On-line resizing not supported with revision 0 filesystems\n")); 732 free(buf); 733 exit(1); 734 } 735 param->s_feature_compat |= 736 EXT2_FEATURE_COMPAT_RESIZE_INODE; 737 738 param->s_reserved_gdt_blocks = rsv_gdb; 739 } 740 } else if (!strcmp(token, "test_fs")) { 741 param->s_flags |= EXT2_FLAGS_TEST_FILESYS; 742 } else if (!strcmp(token, "lazy_itable_init")) { 743 if (arg) 744 lazy_itable_init = strtoul(arg, &p, 0); 745 else 746 lazy_itable_init = 1; 747 } else { 748 r_usage++; 749 badopt = token; 750 } 751 } 752 if (r_usage) { 753 fprintf(stderr, _("\nBad option(s) specified: %s\n\n" 754 "Extended options are separated by commas, " 755 "and may take an argument which\n" 756 "\tis set off by an equals ('=') sign.\n\n" 757 "Valid extended options are:\n" 758 "\tstride=<RAID per-disk data chunk in blocks>\n" 759 "\tstripe-width=<RAID stride * data disks in blocks>\n" 760 "\tresize=<resize maximum size in blocks>\n" 761 "\tlazy_itable_init=<0 to disable, 1 to enable>\n" 762 "\ttest_fs\n\n"), 763 badopt ? badopt : ""); 764 free(buf); 765 exit(1); 766 } 767 if (param->s_raid_stride && 768 (param->s_raid_stripe_width % param->s_raid_stride) != 0) 769 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " 770 "multiple of stride %u.\n\n"), 771 param->s_raid_stripe_width, param->s_raid_stride); 772 773 free(buf); 774} 775 776static __u32 ok_features[3] = { 777 /* Compat */ 778 EXT3_FEATURE_COMPAT_HAS_JOURNAL | 779 EXT2_FEATURE_COMPAT_RESIZE_INODE | 780 EXT2_FEATURE_COMPAT_DIR_INDEX | 781 EXT2_FEATURE_COMPAT_EXT_ATTR, 782 /* Incompat */ 783 EXT2_FEATURE_INCOMPAT_FILETYPE| 784 EXT3_FEATURE_INCOMPAT_EXTENTS| 785 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| 786 EXT2_FEATURE_INCOMPAT_META_BG| 787 EXT4_FEATURE_INCOMPAT_FLEX_BG, 788 /* R/O compat */ 789 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| 790 EXT4_FEATURE_RO_COMPAT_HUGE_FILE| 791 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 792 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| 793 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| 794 EXT4_FEATURE_RO_COMPAT_GDT_CSUM 795}; 796 797 798static void syntax_err_report(const char *filename, long err, int line_num) 799{ 800 fprintf(stderr, 801 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), 802 filename, line_num, error_message(err)); 803 exit(1); 804} 805 806static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; 807 808static void edit_feature(const char *str, __u32 *compat_array) 809{ 810 if (!str) 811 return; 812 813 if (e2p_edit_feature(str, compat_array, ok_features)) { 814 fprintf(stderr, _("Invalid filesystem option set: %s\n"), 815 str); 816 exit(1); 817 } 818} 819 820struct str_list { 821 char **list; 822 int num; 823 int max; 824}; 825 826static errcode_t init_list(struct str_list *sl) 827{ 828 sl->num = 0; 829 sl->max = 0; 830 sl->list = malloc((sl->max+1) * sizeof(char *)); 831 if (!sl->list) 832 return ENOMEM; 833 sl->list[0] = 0; 834 return 0; 835} 836 837static errcode_t push_string(struct str_list *sl, const char *str) 838{ 839 char **new_list; 840 841 if (sl->num >= sl->max) { 842 sl->max += 2; 843 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); 844 if (!new_list) 845 return ENOMEM; 846 sl->list = new_list; 847 } 848 sl->list[sl->num] = malloc(strlen(str)+1); 849 if (sl->list[sl->num] == 0) 850 return ENOMEM; 851 strcpy(sl->list[sl->num], str); 852 sl->num++; 853 sl->list[sl->num] = 0; 854 return 0; 855} 856 857static void print_str_list(char **list) 858{ 859 char **cpp; 860 861 for (cpp = list; *cpp; cpp++) { 862 printf("'%s'", *cpp); 863 if (cpp[1]) 864 fputs(", ", stdout); 865 } 866 fputc('\n', stdout); 867} 868 869static char **parse_fs_type(const char *fs_type, 870 const char *usage_types, 871 struct ext2_super_block *fs_param, 872 char *progname) 873{ 874 const char *ext_type = 0; 875 char *parse_str; 876 char *profile_type = 0; 877 char *cp, *t; 878 const char *size_type; 879 struct str_list list; 880 unsigned long meg; 881 int is_hurd = 0; 882 883 if (init_list(&list)) 884 return 0; 885 886 if (creator_os && (!strcasecmp(creator_os, "GNU") || 887 !strcasecmp(creator_os, "hurd"))) 888 is_hurd = 1; 889 890 if (fs_type) 891 ext_type = fs_type; 892 else if (is_hurd) 893 ext_type = "ext2"; 894 else if (!strcmp(program_name, "mke3fs")) 895 ext_type = "ext3"; 896 else if (progname) { 897 ext_type = strrchr(progname, '/'); 898 if (ext_type) 899 ext_type++; 900 else 901 ext_type = progname; 902 903 if (!strncmp(ext_type, "mkfs.", 5)) { 904 ext_type += 5; 905 if (ext_type[0] == 0) 906 ext_type = 0; 907 } else 908 ext_type = 0; 909 } 910 911 if (!ext_type) { 912 profile_get_string(profile, "defaults", "fs_type", 0, 913 "ext2", &profile_type); 914 ext_type = profile_type; 915 if (!strcmp(ext_type, "ext2") && (journal_size != 0)) 916 ext_type = "ext3"; 917 } 918 919 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") || 920 !strcmp(ext_type, "ext4dev")) { 921 profile_get_string(profile, "fs_types", ext_type, "features", 922 0, &t); 923 if (!t) { 924 printf(_("\nWarning! Your mke2fs.conf file does " 925 "not define the %s filesystem type.\n"), 926 ext_type); 927 printf(_("You probably need to install an updated " 928 "mke2fs.conf file.\n\n")); 929 sleep(5); 930 } 931 } 932 933 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param); 934 if (ext2fs_blocks_count(fs_param) < 3 * meg) 935 size_type = "floppy"; 936 else if (ext2fs_blocks_count(fs_param) < 512 * meg) 937 size_type = "small"; 938 else 939 size_type = "default"; 940 941 if (!usage_types) 942 usage_types = size_type; 943 944 parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1); 945 if (!parse_str) { 946 free(list.list); 947 return 0; 948 } 949 if (usage_types) 950 strcpy(parse_str, usage_types); 951 else 952 *parse_str = '\0'; 953 954 if (ext_type) 955 push_string(&list, ext_type); 956 cp = parse_str; 957 while (1) { 958 t = strchr(cp, ','); 959 if (t) 960 *t = '\0'; 961 962 if (*cp) 963 push_string(&list, cp); 964 if (t) 965 cp = t+1; 966 else { 967 cp = ""; 968 break; 969 } 970 } 971 free(parse_str); 972 free(profile_type); 973 if (is_hurd) 974 push_string(&list, "hurd"); 975 return (list.list); 976} 977 978static char *get_string_from_profile(char **fs_types, const char *opt, 979 const char *def_val) 980{ 981 char *ret = 0; 982 int i; 983 984 for (i=0; fs_types[i]; i++); 985 for (i-=1; i >=0 ; i--) { 986 profile_get_string(profile, "fs_types", fs_types[i], 987 opt, 0, &ret); 988 if (ret) 989 return ret; 990 } 991 profile_get_string(profile, "defaults", opt, 0, def_val, &ret); 992 return (ret); 993} 994 995static int get_int_from_profile(char **fs_types, const char *opt, int def_val) 996{ 997 int ret; 998 char **cpp; 999 1000 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); 1001 for (cpp = fs_types; *cpp; cpp++) 1002 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); 1003 return ret; 1004} 1005 1006static int get_bool_from_profile(char **fs_types, const char *opt, int def_val) 1007{ 1008 int ret; 1009 char **cpp; 1010 1011 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); 1012 for (cpp = fs_types; *cpp; cpp++) 1013 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); 1014 return ret; 1015} 1016 1017extern const char *mke2fs_default_profile; 1018static const char *default_files[] = { "<default>", 0 }; 1019 1020static void PRS(int argc, char *argv[]) 1021{ 1022 int b, c; 1023 int size; 1024 char *tmp, **cpp; 1025 int blocksize = 0; 1026 int inode_ratio = 0; 1027 int inode_size = 0; 1028 unsigned long flex_bg_size = 0; 1029 double reserved_ratio = 5.0; 1030 int sector_size = 0; 1031 int show_version_only = 0; 1032 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ 1033 errcode_t retval; 1034 char * oldpath = getenv("PATH"); 1035 char * extended_opts = 0; 1036 const char * fs_type = 0; 1037 const char * usage_types = 0; 1038 blk_t dev_size; 1039#ifdef __linux__ 1040 struct utsname ut; 1041#endif 1042 long sysval; 1043 int s_opt = -1, r_opt = -1; 1044 char *fs_features = 0; 1045 int use_bsize; 1046 char *newpath; 1047 int pathlen = sizeof(PATH_SET) + 1; 1048 1049 if (oldpath) 1050 pathlen += strlen(oldpath); 1051 newpath = malloc(pathlen); 1052 strcpy(newpath, PATH_SET); 1053 1054 /* Update our PATH to include /sbin */ 1055 if (oldpath) { 1056 strcat (newpath, ":"); 1057 strcat (newpath, oldpath); 1058 } 1059 putenv (newpath); 1060 1061 tmp = getenv("MKE2FS_SYNC"); 1062 if (tmp) 1063 sync_kludge = atoi(tmp); 1064 1065 /* Determine the system page size if possible */ 1066#ifdef HAVE_SYSCONF 1067#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) 1068#define _SC_PAGESIZE _SC_PAGE_SIZE 1069#endif 1070#ifdef _SC_PAGESIZE 1071 sysval = sysconf(_SC_PAGESIZE); 1072 if (sysval > 0) 1073 sys_page_size = sysval; 1074#endif /* _SC_PAGESIZE */ 1075#endif /* HAVE_SYSCONF */ 1076 1077 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) 1078 config_fn[0] = tmp; 1079 profile_set_syntax_err_cb(syntax_err_report); 1080 retval = profile_init(config_fn, &profile); 1081 if (retval == ENOENT) { 1082 profile_init(default_files, &profile); 1083 profile_set_default(profile, mke2fs_default_profile); 1084 } 1085 1086 setbuf(stdout, NULL); 1087 setbuf(stderr, NULL); 1088 add_error_table(&et_ext2_error_table); 1089 add_error_table(&et_prof_error_table); 1090 memset(&fs_param, 0, sizeof(struct ext2_super_block)); 1091 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ 1092 1093#ifdef __linux__ 1094 if (uname(&ut)) { 1095 perror("uname"); 1096 exit(1); 1097 } 1098 linux_version_code = parse_version_number(ut.release); 1099 if (linux_version_code && linux_version_code < (2*65536 + 2*256)) 1100 fs_param.s_rev_level = 0; 1101#endif 1102 1103 if (argc && *argv) { 1104 program_name = get_progname(*argv); 1105 1106 /* If called as mkfs.ext3, create a journal inode */ 1107 if (!strcmp(program_name, "mkfs.ext3") || 1108 !strcmp(program_name, "mke3fs")) 1109 journal_size = -1; 1110 } 1111 1112 while ((c = getopt (argc, argv, 1113 "b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:L:M:N:O:R:ST:U:V")) != EOF) { 1114 switch (c) { 1115 case 'b': 1116 blocksize = strtol(optarg, &tmp, 0); 1117 b = (blocksize > 0) ? blocksize : -blocksize; 1118 if (b < EXT2_MIN_BLOCK_SIZE || 1119 b > EXT2_MAX_BLOCK_SIZE || *tmp) { 1120 com_err(program_name, 0, 1121 _("invalid block size - %s"), optarg); 1122 exit(1); 1123 } 1124 if (blocksize > 4096) 1125 fprintf(stderr, _("Warning: blocksize %d not " 1126 "usable on most systems.\n"), 1127 blocksize); 1128 if (blocksize > 0) 1129 fs_param.s_log_block_size = 1130 int_log2(blocksize >> 1131 EXT2_MIN_BLOCK_LOG_SIZE); 1132 break; 1133 case 'c': /* Check for bad blocks */ 1134 cflag++; 1135 break; 1136 case 'f': 1137 size = strtoul(optarg, &tmp, 0); 1138 if (size < EXT2_MIN_BLOCK_SIZE || 1139 size > EXT2_MAX_BLOCK_SIZE || *tmp) { 1140 com_err(program_name, 0, 1141 _("invalid fragment size - %s"), 1142 optarg); 1143 exit(1); 1144 } 1145 fs_param.s_log_frag_size = 1146 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); 1147 fprintf(stderr, _("Warning: fragments not supported. " 1148 "Ignoring -f option\n")); 1149 break; 1150 case 'g': 1151 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); 1152 if (*tmp) { 1153 com_err(program_name, 0, 1154 _("Illegal number for blocks per group")); 1155 exit(1); 1156 } 1157 if ((fs_param.s_blocks_per_group % 8) != 0) { 1158 com_err(program_name, 0, 1159 _("blocks per group must be multiple of 8")); 1160 exit(1); 1161 } 1162 break; 1163 case 'G': 1164 flex_bg_size = strtoul(optarg, &tmp, 0); 1165 if (*tmp) { 1166 com_err(program_name, 0, 1167 _("Illegal number for flex_bg size")); 1168 exit(1); 1169 } 1170 if (flex_bg_size < 2 || 1171 (flex_bg_size & (flex_bg_size-1)) != 0) { 1172 com_err(program_name, 0, 1173 _("flex_bg size must be a power of 2")); 1174 exit(1); 1175 } 1176 break; 1177 case 'i': 1178 inode_ratio = strtoul(optarg, &tmp, 0); 1179 if (inode_ratio < EXT2_MIN_BLOCK_SIZE || 1180 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || 1181 *tmp) { 1182 com_err(program_name, 0, 1183 _("invalid inode ratio %s (min %d/max %d)"), 1184 optarg, EXT2_MIN_BLOCK_SIZE, 1185 EXT2_MAX_BLOCK_SIZE); 1186 exit(1); 1187 } 1188 break; 1189 case 'J': 1190 parse_journal_opts(optarg); 1191 break; 1192 case 'j': 1193 if (!journal_size) 1194 journal_size = -1; 1195 break; 1196 case 'l': 1197 bad_blocks_filename = malloc(strlen(optarg)+1); 1198 if (!bad_blocks_filename) { 1199 com_err(program_name, ENOMEM, 1200 _("in malloc for bad_blocks_filename")); 1201 exit(1); 1202 } 1203 strcpy(bad_blocks_filename, optarg); 1204 break; 1205 case 'm': 1206 reserved_ratio = strtod(optarg, &tmp); 1207 if ( *tmp || reserved_ratio > 50 || 1208 reserved_ratio < 0) { 1209 com_err(program_name, 0, 1210 _("invalid reserved blocks percent - %s"), 1211 optarg); 1212 exit(1); 1213 } 1214 break; 1215 case 'n': 1216 noaction++; 1217 break; 1218 case 'o': 1219 creator_os = optarg; 1220 break; 1221 case 'q': 1222 quiet = 1; 1223 break; 1224 case 'r': 1225 r_opt = strtoul(optarg, &tmp, 0); 1226 if (*tmp) { 1227 com_err(program_name, 0, 1228 _("bad revision level - %s"), optarg); 1229 exit(1); 1230 } 1231 fs_param.s_rev_level = r_opt; 1232 break; 1233 case 's': /* deprecated */ 1234 s_opt = atoi(optarg); 1235 break; 1236 case 'I': 1237 inode_size = strtoul(optarg, &tmp, 0); 1238 if (*tmp) { 1239 com_err(program_name, 0, 1240 _("invalid inode size - %s"), optarg); 1241 exit(1); 1242 } 1243 break; 1244 case 'v': 1245 verbose = 1; 1246 break; 1247 case 'F': 1248 force++; 1249 break; 1250 case 'L': 1251 volume_label = optarg; 1252 break; 1253 case 'M': 1254 mount_dir = optarg; 1255 break; 1256 case 'N': 1257 num_inodes = strtoul(optarg, &tmp, 0); 1258 if (*tmp) { 1259 com_err(program_name, 0, 1260 _("bad num inodes - %s"), optarg); 1261 exit(1); 1262 } 1263 break; 1264 case 'O': 1265 fs_features = optarg; 1266 break; 1267 case 'E': 1268 case 'R': 1269 extended_opts = optarg; 1270 break; 1271 case 'S': 1272 super_only = 1; 1273 break; 1274 case 't': 1275 fs_type = optarg; 1276 break; 1277 case 'T': 1278 usage_types = optarg; 1279 break; 1280 case 'U': 1281 fs_uuid = optarg; 1282 break; 1283 case 'V': 1284 /* Print version number and exit */ 1285 show_version_only++; 1286 break; 1287 default: 1288 usage(); 1289 } 1290 } 1291 if ((optind == argc) && !show_version_only) 1292 usage(); 1293 device_name = argv[optind++]; 1294 1295 if (!quiet || show_version_only) 1296 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, 1297 E2FSPROGS_DATE); 1298 1299 if (show_version_only) { 1300 fprintf(stderr, _("\tUsing %s\n"), 1301 error_message(EXT2_ET_BASE)); 1302 exit(0); 1303 } 1304 1305 /* 1306 * If there's no blocksize specified and there is a journal 1307 * device, use it to figure out the blocksize 1308 */ 1309 if (blocksize <= 0 && journal_device) { 1310 ext2_filsys jfs; 1311 io_manager io_ptr; 1312 1313#ifdef CONFIG_TESTIO_DEBUG 1314 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1315 io_ptr = test_io_manager; 1316 test_io_backing_manager = unix_io_manager; 1317 } else 1318#endif 1319 io_ptr = unix_io_manager; 1320 retval = ext2fs_open(journal_device, 1321 EXT2_FLAG_JOURNAL_DEV_OK, 0, 1322 0, io_ptr, &jfs); 1323 if (retval) { 1324 com_err(program_name, retval, 1325 _("while trying to open journal device %s\n"), 1326 journal_device); 1327 exit(1); 1328 } 1329 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { 1330 com_err(program_name, 0, 1331 _("Journal dev blocksize (%d) smaller than " 1332 "minimum blocksize %d\n"), jfs->blocksize, 1333 -blocksize); 1334 exit(1); 1335 } 1336 blocksize = jfs->blocksize; 1337 printf(_("Using journal device's blocksize: %d\n"), blocksize); 1338 fs_param.s_log_block_size = 1339 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1340 ext2fs_close(jfs); 1341 } 1342 1343 if (blocksize > sys_page_size) { 1344 if (!force) { 1345 com_err(program_name, 0, 1346 _("%d-byte blocks too big for system (max %d)"), 1347 blocksize, sys_page_size); 1348 proceed_question(); 1349 } 1350 fprintf(stderr, _("Warning: %d-byte blocks too big for system " 1351 "(max %d), forced to continue\n"), 1352 blocksize, sys_page_size); 1353 } 1354 if (optind < argc) { 1355 ext2fs_blocks_count_set(&fs_param, parse_num_blocks(argv[optind++], 1356 fs_param.s_log_block_size)); 1357 if (!ext2fs_blocks_count(&fs_param)) { 1358 com_err(program_name, 0, _("invalid blocks count - %s"), 1359 argv[optind - 1]); 1360 exit(1); 1361 } 1362 } 1363 if (optind < argc) 1364 usage(); 1365 1366 if (!force) 1367 check_plausibility(device_name); 1368 check_mount(device_name, force, _("filesystem")); 1369 1370 fs_param.s_log_frag_size = fs_param.s_log_block_size; 1371 1372 if (noaction && ext2fs_blocks_count(&fs_param)) { 1373 dev_size = ext2fs_blocks_count(&fs_param); 1374 retval = 0; 1375 } else { 1376 retry: 1377 retval = ext2fs_get_device_size(device_name, 1378 EXT2_BLOCK_SIZE(&fs_param), 1379 &dev_size); 1380 if ((retval == EFBIG) && 1381 (blocksize == 0) && 1382 (fs_param.s_log_block_size == 0)) { 1383 fs_param.s_log_block_size = 2; 1384 blocksize = 4096; 1385 goto retry; 1386 } 1387 } 1388 1389 if (retval == EFBIG) { 1390 blk64_t big_dev_size; 1391 1392 if (blocksize < 4096) { 1393 fs_param.s_log_block_size = 2; 1394 blocksize = 4096; 1395 } 1396 retval = ext2fs_get_device_size2(device_name, 1397 EXT2_BLOCK_SIZE(&fs_param), &big_dev_size); 1398 if (retval) 1399 goto get_size_failure; 1400 if (big_dev_size == (1ULL << 32)) { 1401 dev_size = (blk_t) (big_dev_size - 1); 1402 goto got_size; 1403 } 1404 fprintf(stderr, _("%s: Size of device %s too big " 1405 "to be expressed in 32 bits\n\t" 1406 "using a blocksize of %d.\n"), 1407 program_name, device_name, EXT2_BLOCK_SIZE(&fs_param)); 1408 exit(1); 1409 } 1410get_size_failure: 1411 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { 1412 com_err(program_name, retval, 1413 _("while trying to determine filesystem size")); 1414 exit(1); 1415 } 1416got_size: 1417 if (!ext2fs_blocks_count(&fs_param)) { 1418 if (retval == EXT2_ET_UNIMPLEMENTED) { 1419 com_err(program_name, 0, 1420 _("Couldn't determine device size; you " 1421 "must specify\nthe size of the " 1422 "filesystem\n")); 1423 exit(1); 1424 } else { 1425 if (dev_size == 0) { 1426 com_err(program_name, 0, 1427 _("Device size reported to be zero. " 1428 "Invalid partition specified, or\n\t" 1429 "partition table wasn't reread " 1430 "after running fdisk, due to\n\t" 1431 "a modified partition being busy " 1432 "and in use. You may need to reboot\n\t" 1433 "to re-read your partition table.\n" 1434 )); 1435 exit(1); 1436 } 1437 ext2fs_blocks_count_set(&fs_param, dev_size); 1438 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) { 1439 blk64_t tmp = ext2fs_blocks_count(&fs_param); 1440 1441 tmp &= ~((blk64_t) ((sys_page_size / 1442 EXT2_BLOCK_SIZE(&fs_param))-1)); 1443 ext2fs_blocks_count_set(&fs_param, tmp); 1444 } 1445 } 1446 } else if (!force && (ext2fs_blocks_count(&fs_param) > dev_size)) { 1447 com_err(program_name, 0, 1448 _("Filesystem larger than apparent device size.")); 1449 proceed_question(); 1450 } 1451 1452 fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]); 1453 if (!fs_types) { 1454 fprintf(stderr, _("Failed to parse fs types list\n")); 1455 exit(1); 1456 } 1457 1458 /* Figure out what features should be enabled */ 1459 1460 tmp = NULL; 1461 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { 1462 tmp = get_string_from_profile(fs_types, "base_features", 1463 "sparse_super,filetype,resize_inode,dir_index"); 1464 edit_feature(tmp, &fs_param.s_feature_compat); 1465 free(tmp); 1466 1467 for (cpp = fs_types; *cpp; cpp++) { 1468 tmp = NULL; 1469 profile_get_string(profile, "fs_types", *cpp, 1470 "features", "", &tmp); 1471 if (tmp && *tmp) 1472 edit_feature(tmp, &fs_param.s_feature_compat); 1473 free(tmp); 1474 } 1475 tmp = get_string_from_profile(fs_types, "default_features", 1476 ""); 1477 } 1478 edit_feature(fs_features ? fs_features : tmp, 1479 &fs_param.s_feature_compat); 1480 free(tmp); 1481 1482 if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1483 fs_types[0] = strdup("journal"); 1484 fs_types[1] = 0; 1485 } 1486 1487 if (verbose) { 1488 fputs(_("fs_types for mke2fs.conf resolution: "), stdout); 1489 print_str_list(fs_types); 1490 } 1491 1492 if (r_opt == EXT2_GOOD_OLD_REV && 1493 (fs_param.s_feature_compat || fs_param.s_feature_incompat || 1494 fs_param.s_feature_ro_compat)) { 1495 fprintf(stderr, _("Filesystem features not supported " 1496 "with revision 0 filesystems\n")); 1497 exit(1); 1498 } 1499 1500 if (s_opt > 0) { 1501 if (r_opt == EXT2_GOOD_OLD_REV) { 1502 fprintf(stderr, _("Sparse superblocks not supported " 1503 "with revision 0 filesystems\n")); 1504 exit(1); 1505 } 1506 fs_param.s_feature_ro_compat |= 1507 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1508 } else if (s_opt == 0) 1509 fs_param.s_feature_ro_compat &= 1510 ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1511 1512 if (journal_size != 0) { 1513 if (r_opt == EXT2_GOOD_OLD_REV) { 1514 fprintf(stderr, _("Journals not supported " 1515 "with revision 0 filesystems\n")); 1516 exit(1); 1517 } 1518 fs_param.s_feature_compat |= 1519 EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1520 } 1521 1522 if (fs_param.s_feature_incompat & 1523 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1524 reserved_ratio = 0; 1525 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; 1526 fs_param.s_feature_compat = 0; 1527 fs_param.s_feature_ro_compat = 0; 1528 } 1529 1530 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1531 (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) { 1532 fprintf(stderr, _("The resize_inode and meta_bg features " 1533 "are not compatible.\n" 1534 "They can not be both enabled " 1535 "simultaneously.\n")); 1536 exit(1); 1537 } 1538 1539 /* Set first meta blockgroup via an environment variable */ 1540 /* (this is mostly for debugging purposes) */ 1541 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1542 ((tmp = getenv("MKE2FS_FIRST_META_BG")))) 1543 fs_param.s_first_meta_bg = atoi(tmp); 1544 1545 /* Get the hardware sector size, if available */ 1546 retval = ext2fs_get_device_sectsize(device_name, §or_size); 1547 if (retval) { 1548 com_err(program_name, retval, 1549 _("while trying to determine hardware sector size")); 1550 exit(1); 1551 } 1552 1553 if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL) 1554 sector_size = atoi(tmp); 1555 1556 if (blocksize <= 0) { 1557 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); 1558 1559 if (use_bsize == -1) { 1560 use_bsize = sys_page_size; 1561 if ((linux_version_code < (2*65536 + 6*256)) && 1562 (use_bsize > 4096)) 1563 use_bsize = 4096; 1564 } 1565 if (sector_size && use_bsize < sector_size) 1566 use_bsize = sector_size; 1567 if ((blocksize < 0) && (use_bsize < (-blocksize))) 1568 use_bsize = -blocksize; 1569 blocksize = use_bsize; 1570 ext2fs_blocks_count_set(&fs_param, 1571 ext2fs_blocks_count(&fs_param) / 1572 (blocksize / 1024)); 1573 } 1574 1575 if (inode_ratio == 0) { 1576 inode_ratio = get_int_from_profile(fs_types, "inode_ratio", 1577 8192); 1578 if (inode_ratio < blocksize) 1579 inode_ratio = blocksize; 1580 } 1581 1582 fs_param.s_log_frag_size = fs_param.s_log_block_size = 1583 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1584 1585 blocksize = EXT2_BLOCK_SIZE(&fs_param); 1586 1587 lazy_itable_init = get_bool_from_profile(fs_types, 1588 "lazy_itable_init", 0); 1589 1590 /* Get options from profile */ 1591 for (cpp = fs_types; *cpp; cpp++) { 1592 tmp = NULL; 1593 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp); 1594 if (tmp && *tmp) 1595 parse_extended_opts(&fs_param, tmp); 1596 free(tmp); 1597 } 1598 1599 if (extended_opts) 1600 parse_extended_opts(&fs_param, extended_opts); 1601 1602 /* Since sparse_super is the default, we would only have a problem 1603 * here if it was explicitly disabled. 1604 */ 1605 if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && 1606 !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { 1607 com_err(program_name, 0, 1608 _("reserved online resize blocks not supported " 1609 "on non-sparse filesystem")); 1610 exit(1); 1611 } 1612 1613 if (fs_param.s_blocks_per_group) { 1614 if (fs_param.s_blocks_per_group < 256 || 1615 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { 1616 com_err(program_name, 0, 1617 _("blocks per group count out of range")); 1618 exit(1); 1619 } 1620 } 1621 1622 if (inode_size == 0) 1623 inode_size = get_int_from_profile(fs_types, "inode_size", 0); 1624 if (!flex_bg_size && (fs_param.s_feature_incompat & 1625 EXT4_FEATURE_INCOMPAT_FLEX_BG)) 1626 flex_bg_size = get_int_from_profile(fs_types, 1627 "flex_bg_size", 16); 1628 if (flex_bg_size) { 1629 if (!(fs_param.s_feature_incompat & 1630 EXT4_FEATURE_INCOMPAT_FLEX_BG)) { 1631 com_err(program_name, 0, 1632 _("Flex_bg feature not enabled, so " 1633 "flex_bg size may not be specified")); 1634 exit(1); 1635 } 1636 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size); 1637 } 1638 1639 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { 1640 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || 1641 inode_size > EXT2_BLOCK_SIZE(&fs_param) || 1642 inode_size & (inode_size - 1)) { 1643 com_err(program_name, 0, 1644 _("invalid inode size %d (min %d/max %d)"), 1645 inode_size, EXT2_GOOD_OLD_INODE_SIZE, 1646 blocksize); 1647 exit(1); 1648 } 1649 fs_param.s_inode_size = inode_size; 1650 } 1651 1652 /* Make sure number of inodes specified will fit in 32 bits */ 1653 if (num_inodes == 0) { 1654 unsigned long long n; 1655 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio; 1656 if (n > ~0U) { 1657 com_err(program_name, 0, 1658 _("too many inodes (%llu), raise inode ratio?"), n); 1659 exit(1); 1660 } 1661 } else if (num_inodes > ~0U) { 1662 com_err(program_name, 0, 1663 _("too many inodes (%llu), specify < 2^32 inodes"), 1664 num_inodes); 1665 exit(1); 1666 } 1667 /* 1668 * Calculate number of inodes based on the inode ratio 1669 */ 1670 fs_param.s_inodes_count = num_inodes ? num_inodes : 1671 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio; 1672 1673 if ((((long long)fs_param.s_inodes_count) * 1674 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= 1675 ((ext2fs_blocks_count(&fs_param)) * 1676 EXT2_BLOCK_SIZE(&fs_param))) { 1677 com_err(program_name, 0, _("inode_size (%u) * inodes_count " 1678 "(%u) too big for a\n\t" 1679 "filesystem with %llu blocks, " 1680 "specify higher inode_ratio (-i)\n\t" 1681 "or lower inode count (-N).\n"), 1682 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, 1683 fs_param.s_inodes_count, 1684 (unsigned long long) ext2fs_blocks_count(&fs_param)); 1685 exit(1); 1686 } 1687 1688 /* 1689 * Calculate number of blocks to reserve 1690 */ 1691 ext2fs_r_blocks_count_set(&fs_param, reserved_ratio * 1692 ext2fs_blocks_count(&fs_param) / 100.0); 1693} 1694 1695static int should_do_undo(const char *name) 1696{ 1697 errcode_t retval; 1698 io_channel channel; 1699 __u16 s_magic; 1700 struct ext2_super_block super; 1701 io_manager manager = unix_io_manager; 1702 int csum_flag, force_undo; 1703 1704 csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 1705 EXT4_FEATURE_RO_COMPAT_GDT_CSUM); 1706 force_undo = get_int_from_profile(fs_types, "force_undo", 0); 1707 if (!force_undo && (!csum_flag || !lazy_itable_init)) 1708 return 0; 1709 1710 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel); 1711 if (retval) { 1712 /* 1713 * We don't handle error cases instead we 1714 * declare that the file system doesn't exist 1715 * and let the rest of mke2fs take care of 1716 * error 1717 */ 1718 retval = 0; 1719 goto open_err_out; 1720 } 1721 1722 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET); 1723 retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super); 1724 if (retval) { 1725 retval = 0; 1726 goto err_out; 1727 } 1728 1729#if defined(WORDS_BIGENDIAN) 1730 s_magic = ext2fs_swab16(super.s_magic); 1731#else 1732 s_magic = super.s_magic; 1733#endif 1734 1735 if (s_magic == EXT2_SUPER_MAGIC) 1736 retval = 1; 1737 1738err_out: 1739 io_channel_close(channel); 1740 1741open_err_out: 1742 1743 return retval; 1744} 1745 1746static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr) 1747{ 1748 errcode_t retval = 0; 1749 char *tdb_dir, *tdb_file; 1750 char *device_name, *tmp_name; 1751 1752 /* 1753 * Configuration via a conf file would be 1754 * nice 1755 */ 1756 tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); 1757 if (!tdb_dir) 1758 profile_get_string(profile, "defaults", 1759 "undo_dir", 0, "/var/lib/e2fsprogs", 1760 &tdb_dir); 1761 1762 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || 1763 access(tdb_dir, W_OK)) 1764 return 0; 1765 1766 tmp_name = strdup(name); 1767 if (!tmp_name) { 1768 alloc_fn_fail: 1769 com_err(program_name, ENOMEM, 1770 _("Couldn't allocate memory for tdb filename\n")); 1771 return ENOMEM; 1772 } 1773 device_name = basename(tmp_name); 1774 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(device_name) + 7 + 1); 1775 if (!tdb_file) 1776 goto alloc_fn_fail; 1777 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name); 1778 1779 if (!access(tdb_file, F_OK)) { 1780 if (unlink(tdb_file) < 0) { 1781 retval = errno; 1782 com_err(program_name, retval, 1783 _("while trying to delete %s"), 1784 tdb_file); 1785 free(tdb_file); 1786 return retval; 1787 } 1788 } 1789 1790 set_undo_io_backing_manager(*io_ptr); 1791 *io_ptr = undo_io_manager; 1792 set_undo_io_backup_file(tdb_file); 1793 printf(_("Overwriting existing filesystem; this can be undone " 1794 "using the command:\n" 1795 " e2undo %s %s\n\n"), tdb_file, name); 1796 1797 free(tdb_file); 1798 free(tmp_name); 1799 return retval; 1800} 1801 1802int main (int argc, char *argv[]) 1803{ 1804 errcode_t retval = 0; 1805 ext2_filsys fs; 1806 badblocks_list bb_list = 0; 1807 unsigned int journal_blocks; 1808 unsigned int i; 1809 int val, hash_alg; 1810 int flags; 1811 int old_bitmaps; 1812 io_manager io_ptr; 1813 char tdb_string[40]; 1814 char *hash_alg_str; 1815 1816#ifdef ENABLE_NLS 1817 setlocale(LC_MESSAGES, ""); 1818 setlocale(LC_CTYPE, ""); 1819 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 1820 textdomain(NLS_CAT_NAME); 1821#endif 1822 PRS(argc, argv); 1823 1824#ifdef CONFIG_TESTIO_DEBUG 1825 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1826 io_ptr = test_io_manager; 1827 test_io_backing_manager = unix_io_manager; 1828 } else 1829#endif 1830 io_ptr = unix_io_manager; 1831 1832 if (should_do_undo(device_name)) { 1833 retval = mke2fs_setup_tdb(device_name, &io_ptr); 1834 if (retval) 1835 exit(1); 1836 } 1837 1838 /* 1839 * Initialize the superblock.... 1840 */ 1841 flags = EXT2_FLAG_EXCLUSIVE; 1842 profile_get_boolean(profile, "options", "old_bitmaps", 0, 0, 1843 &old_bitmaps); 1844 if (!old_bitmaps) 1845 flags |= EXT2_FLAG_64BITS; 1846 /* 1847 * By default, we print how many inode tables or block groups 1848 * or whatever we've written so far. The quiet flag disables 1849 * this, along with a lot of other output. 1850 */ 1851 if (!quiet) 1852 flags |= EXT2_FLAG_PRINT_PROGRESS; 1853 retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs); 1854 if (retval) { 1855 com_err(device_name, retval, _("while setting up superblock")); 1856 exit(1); 1857 } 1858 1859 sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? 1860 32768 : fs->blocksize * 8); 1861 io_channel_set_options(fs->io, tdb_string); 1862 1863 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) 1864 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; 1865 1866 if ((fs_param.s_feature_incompat & 1867 (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) || 1868 (fs_param.s_feature_ro_compat & 1869 (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM| 1870 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 1871 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE))) 1872 fs->super->s_kbytes_written = 1; 1873 1874 /* 1875 * Wipe out the old on-disk superblock 1876 */ 1877 if (!noaction) 1878 zap_sector(fs, 2, 6); 1879 1880 /* 1881 * Parse or generate a UUID for the filesystem 1882 */ 1883 if (fs_uuid) { 1884 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) { 1885 com_err(device_name, 0, "could not parse UUID: %s\n", 1886 fs_uuid); 1887 exit(1); 1888 } 1889 } else 1890 uuid_generate(fs->super->s_uuid); 1891 1892 /* 1893 * Initialize the directory index variables 1894 */ 1895 hash_alg_str = get_string_from_profile(fs_types, "hash_alg", 1896 "half_md4"); 1897 hash_alg = e2p_string2hash(hash_alg_str); 1898 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg : 1899 EXT2_HASH_HALF_MD4; 1900 uuid_generate((unsigned char *) fs->super->s_hash_seed); 1901 1902 /* 1903 * Add "jitter" to the superblock's check interval so that we 1904 * don't check all the filesystems at the same time. We use a 1905 * kludgy hack of using the UUID to derive a random jitter value. 1906 */ 1907 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) 1908 val += fs->super->s_uuid[i]; 1909 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; 1910 1911 /* 1912 * Override the creator OS, if applicable 1913 */ 1914 if (creator_os && !set_os(fs->super, creator_os)) { 1915 com_err (program_name, 0, _("unknown os - %s"), creator_os); 1916 exit(1); 1917 } 1918 1919 /* 1920 * For the Hurd, we will turn off filetype since it doesn't 1921 * support it. 1922 */ 1923 if (fs->super->s_creator_os == EXT2_OS_HURD) 1924 fs->super->s_feature_incompat &= 1925 ~EXT2_FEATURE_INCOMPAT_FILETYPE; 1926 1927 /* 1928 * Set the volume label... 1929 */ 1930 if (volume_label) { 1931 memset(fs->super->s_volume_name, 0, 1932 sizeof(fs->super->s_volume_name)); 1933 strncpy(fs->super->s_volume_name, volume_label, 1934 sizeof(fs->super->s_volume_name)); 1935 } 1936 1937 /* 1938 * Set the last mount directory 1939 */ 1940 if (mount_dir) { 1941 memset(fs->super->s_last_mounted, 0, 1942 sizeof(fs->super->s_last_mounted)); 1943 strncpy(fs->super->s_last_mounted, mount_dir, 1944 sizeof(fs->super->s_last_mounted)); 1945 } 1946 1947 if (!quiet || noaction) 1948 show_stats(fs); 1949 1950 if (noaction) 1951 exit(0); 1952 1953 if (fs->super->s_feature_incompat & 1954 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1955 create_journal_dev(fs); 1956 exit(ext2fs_close(fs) ? 1 : 0); 1957 } 1958 1959 if (bad_blocks_filename) 1960 read_bb_file(fs, &bb_list, bad_blocks_filename); 1961 if (cflag) 1962 test_disk(fs, &bb_list); 1963 1964 handle_bad_blocks(fs, bb_list); 1965 fs->stride = fs_stride = fs->super->s_raid_stride; 1966 if (!quiet) 1967 printf(_("Allocating group tables: ")); 1968 retval = ext2fs_allocate_tables(fs); 1969 if (retval) { 1970 com_err(program_name, retval, 1971 _("while trying to allocate filesystem tables")); 1972 exit(1); 1973 } 1974 if (!quiet) 1975 printf(_("done \n")); 1976 if (super_only) { 1977 fs->super->s_state |= EXT2_ERROR_FS; 1978 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); 1979 } else { 1980 /* rsv must be a power of two (64kB is MD RAID sb alignment) */ 1981 unsigned int rsv = 65536 / fs->blocksize; 1982 unsigned long blocks = ext2fs_blocks_count(fs->super); 1983 unsigned long start; 1984 blk_t ret_blk; 1985 1986#ifdef ZAP_BOOTBLOCK 1987 zap_sector(fs, 0, 2); 1988#endif 1989 1990 /* 1991 * Wipe out any old MD RAID (or other) metadata at the end 1992 * of the device. This will also verify that the device is 1993 * as large as we think. Be careful with very small devices. 1994 */ 1995 start = (blocks & ~(rsv - 1)); 1996 if (start > rsv) 1997 start -= rsv; 1998 if (start > 0) 1999 retval = ext2fs_zero_blocks(fs, start, blocks - start, 2000 &ret_blk, NULL); 2001 2002 if (retval) { 2003 com_err(program_name, retval, 2004 _("while zeroing block %u at end of filesystem"), 2005 ret_blk); 2006 } 2007 write_inode_tables(fs, lazy_itable_init); 2008 create_root_dir(fs); 2009 create_lost_and_found(fs); 2010 reserve_inodes(fs); 2011 create_bad_block_inode(fs, bb_list); 2012 if (fs->super->s_feature_compat & 2013 EXT2_FEATURE_COMPAT_RESIZE_INODE) { 2014 retval = ext2fs_create_resize_inode(fs); 2015 if (retval) { 2016 com_err("ext2fs_create_resize_inode", retval, 2017 _("while reserving blocks for online resize")); 2018 exit(1); 2019 } 2020 } 2021 } 2022 2023 if (journal_device) { 2024 ext2_filsys jfs; 2025 2026 if (!force) 2027 check_plausibility(journal_device); 2028 check_mount(journal_device, force, _("journal")); 2029 2030 retval = ext2fs_open(journal_device, EXT2_FLAG_RW| 2031 EXT2_FLAG_JOURNAL_DEV_OK, 0, 2032 fs->blocksize, unix_io_manager, &jfs); 2033 if (retval) { 2034 com_err(program_name, retval, 2035 _("while trying to open journal device %s\n"), 2036 journal_device); 2037 exit(1); 2038 } 2039 if (!quiet) { 2040 printf(_("Adding journal to device %s: "), 2041 journal_device); 2042 fflush(stdout); 2043 } 2044 retval = ext2fs_add_journal_device(fs, jfs); 2045 if(retval) { 2046 com_err (program_name, retval, 2047 _("\n\twhile trying to add journal to device %s"), 2048 journal_device); 2049 exit(1); 2050 } 2051 if (!quiet) 2052 printf(_("done\n")); 2053 ext2fs_close(jfs); 2054 free(journal_device); 2055 } else if ((journal_size) || 2056 (fs_param.s_feature_compat & 2057 EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { 2058 journal_blocks = figure_journal_size(journal_size, fs); 2059 2060 if (super_only) { 2061 printf(_("Skipping journal creation in super-only mode\n")); 2062 fs->super->s_journal_inum = EXT2_JOURNAL_INO; 2063 goto no_journal; 2064 } 2065 2066 if (!journal_blocks) { 2067 fs->super->s_feature_compat &= 2068 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 2069 goto no_journal; 2070 } 2071 if (!quiet) { 2072 printf(_("Creating journal (%u blocks): "), 2073 journal_blocks); 2074 fflush(stdout); 2075 } 2076 retval = ext2fs_add_journal_inode(fs, journal_blocks, 2077 journal_flags); 2078 if (retval) { 2079 com_err (program_name, retval, 2080 _("\n\twhile trying to create journal")); 2081 exit(1); 2082 } 2083 if (!quiet) 2084 printf(_("done\n")); 2085 } 2086no_journal: 2087 2088 if (!quiet) 2089 printf(_("Writing superblocks and " 2090 "filesystem accounting information: ")); 2091 retval = ext2fs_flush(fs); 2092 if (retval) { 2093 fprintf(stderr, 2094 _("\nWarning, had trouble writing out superblocks.")); 2095 } 2096 if (!quiet) { 2097 printf(_("done\n\n")); 2098 if (!getenv("MKE2FS_SKIP_CHECK_MSG")) 2099 print_check_message(fs); 2100 } 2101 val = ext2fs_close(fs); 2102 remove_error_table(&et_ext2_error_table); 2103 remove_error_table(&et_prof_error_table); 2104 profile_release(profile); 2105 return (retval || val) ? 1 : 0; 2106} 2107