mke2fs.c revision 2bc30417541deffca795db8ec4e7f7ccb616dc3f
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 "config.h" 22#include <stdio.h> 23#include <string.h> 24#include <strings.h> 25#include <fcntl.h> 26#include <ctype.h> 27#include <time.h> 28#ifdef __linux__ 29#include <sys/utsname.h> 30#endif 31#ifdef HAVE_GETOPT_H 32#include <getopt.h> 33#else 34extern char *optarg; 35extern int optind; 36#endif 37#ifdef HAVE_UNISTD_H 38#include <unistd.h> 39#endif 40#ifdef HAVE_STDLIB_H 41#include <stdlib.h> 42#endif 43#ifdef HAVE_ERRNO_H 44#include <errno.h> 45#endif 46#include <sys/ioctl.h> 47#include <sys/types.h> 48#include <sys/stat.h> 49#include <libgen.h> 50#include <limits.h> 51#include <blkid/blkid.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#include "quota/mkquota.h" 65 66#define STRIDE_LENGTH 8 67 68#define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1) 69 70#ifndef __sparc__ 71#define ZAP_BOOTBLOCK 72#endif 73 74#define DISCARD_STEP_MB (2048) 75 76extern int isatty(int); 77extern FILE *fpopen(const char *cmd, const char *mode); 78 79static const char * program_name = "mke2fs"; 80static const char * device_name /* = NULL */; 81 82/* Command line options */ 83static int cflag; 84static int verbose; 85static int quiet; 86static int super_only; 87static int discard = 1; /* attempt to discard device before fs creation */ 88static int direct_io; 89static int force; 90static int noaction; 91static uid_t root_uid; 92static gid_t root_gid; 93int journal_size; 94int journal_flags; 95static int lazy_itable_init; 96static char *bad_blocks_filename = NULL; 97static __u32 fs_stride; 98static int quotatype = -1; /* Initialize both user and group quotas by default */ 99 100static struct ext2_super_block fs_param; 101static char *fs_uuid = NULL; 102static char *creator_os; 103static char *volume_label; 104static char *mount_dir; 105char *journal_device; 106static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ 107static char **fs_types; 108 109static profile_t profile; 110 111static int sys_page_size = 4096; 112static int linux_version_code = 0; 113 114static void usage(void) 115{ 116 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " 117 "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] " 118 "[-J journal-options]\n" 119 "\t[-G flex-group-size] [-N number-of-inodes]\n" 120 "\t[-m reserved-blocks-percentage] [-o creator-os]\n" 121 "\t[-g blocks-per-group] [-L volume-label] " 122 "[-M last-mounted-directory]\n\t[-O feature[,...]] " 123 "[-r fs-revision] [-E extended-option[,...]]\n" 124 "\t[-t fs-type] [-T usage-type ] [-U UUID] " 125 "[-jnqvDFKSV] device [blocks-count]\n"), 126 program_name); 127 exit(1); 128} 129 130static int int_log2(unsigned long long arg) 131{ 132 int l = 0; 133 134 arg >>= 1; 135 while (arg) { 136 l++; 137 arg >>= 1; 138 } 139 return l; 140} 141 142static int int_log10(unsigned long long arg) 143{ 144 int l; 145 146 for (l=0; arg ; l++) 147 arg = arg / 10; 148 return l; 149} 150 151#ifdef __linux__ 152static int parse_version_number(const char *s) 153{ 154 int major, minor, rev; 155 char *endptr; 156 const char *cp = s; 157 158 if (!s) 159 return 0; 160 major = strtol(cp, &endptr, 10); 161 if (cp == endptr || *endptr != '.') 162 return 0; 163 cp = endptr + 1; 164 minor = strtol(cp, &endptr, 10); 165 if (cp == endptr || *endptr != '.') 166 return 0; 167 cp = endptr + 1; 168 rev = strtol(cp, &endptr, 10); 169 if (cp == endptr) 170 return 0; 171 return ((((major * 256) + minor) * 256) + rev); 172} 173#endif 174 175/* 176 * Helper function for read_bb_file and test_disk 177 */ 178static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) 179{ 180 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); 181 return; 182} 183 184/* 185 * Reads the bad blocks list from a file 186 */ 187static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, 188 const char *bad_blocks_file) 189{ 190 FILE *f; 191 errcode_t retval; 192 193 f = fopen(bad_blocks_file, "r"); 194 if (!f) { 195 com_err("read_bad_blocks_file", errno, 196 _("while trying to open %s"), bad_blocks_file); 197 exit(1); 198 } 199 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 200 fclose (f); 201 if (retval) { 202 com_err("ext2fs_read_bb_FILE", retval, "%s", 203 _("while reading in list of bad blocks from file")); 204 exit(1); 205 } 206} 207 208/* 209 * Runs the badblocks program to test the disk 210 */ 211static void test_disk(ext2_filsys fs, badblocks_list *bb_list) 212{ 213 FILE *f; 214 errcode_t retval; 215 char buf[1024]; 216 217 sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize, 218 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", 219 fs->device_name, ext2fs_blocks_count(fs->super)-1); 220 if (verbose) 221 printf(_("Running command: %s\n"), buf); 222 f = popen(buf, "r"); 223 if (!f) { 224 com_err("popen", errno, 225 _("while trying to run '%s'"), buf); 226 exit(1); 227 } 228 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 229 pclose(f); 230 if (retval) { 231 com_err("ext2fs_read_bb_FILE", retval, "%s", 232 _("while processing list of bad blocks from program")); 233 exit(1); 234 } 235} 236 237static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) 238{ 239 dgrp_t i; 240 blk_t j; 241 unsigned must_be_good; 242 blk_t blk; 243 badblocks_iterate bb_iter; 244 errcode_t retval; 245 blk_t group_block; 246 int group; 247 int group_bad; 248 249 if (!bb_list) 250 return; 251 252 /* 253 * The primary superblock and group descriptors *must* be 254 * good; if not, abort. 255 */ 256 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; 257 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { 258 if (ext2fs_badblocks_list_test(bb_list, i)) { 259 fprintf(stderr, _("Block %d in primary " 260 "superblock/group descriptor area bad.\n"), i); 261 fprintf(stderr, _("Blocks %u through %u must be good " 262 "in order to build a filesystem.\n"), 263 fs->super->s_first_data_block, must_be_good); 264 fputs(_("Aborting....\n"), stderr); 265 exit(1); 266 } 267 } 268 269 /* 270 * See if any of the bad blocks are showing up in the backup 271 * superblocks and/or group descriptors. If so, issue a 272 * warning and adjust the block counts appropriately. 273 */ 274 group_block = fs->super->s_first_data_block + 275 fs->super->s_blocks_per_group; 276 277 for (i = 1; i < fs->group_desc_count; i++) { 278 group_bad = 0; 279 for (j=0; j < fs->desc_blocks+1; j++) { 280 if (ext2fs_badblocks_list_test(bb_list, 281 group_block + j)) { 282 if (!group_bad) 283 fprintf(stderr, 284_("Warning: the backup superblock/group descriptors at block %u contain\n" 285" bad blocks.\n\n"), 286 group_block); 287 group_bad++; 288 group = ext2fs_group_of_blk2(fs, group_block+j); 289 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1); 290 ext2fs_group_desc_csum_set(fs, group); 291 ext2fs_free_blocks_count_add(fs->super, 1); 292 } 293 } 294 group_block += fs->super->s_blocks_per_group; 295 } 296 297 /* 298 * Mark all the bad blocks as used... 299 */ 300 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); 301 if (retval) { 302 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s", 303 _("while marking bad blocks as used")); 304 exit(1); 305 } 306 while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) 307 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk)); 308 ext2fs_badblocks_list_iterate_end(bb_iter); 309} 310 311static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed) 312{ 313 errcode_t retval; 314 blk64_t blk; 315 dgrp_t i; 316 int num; 317 struct ext2fs_numeric_progress_struct progress; 318 319 ext2fs_numeric_progress_init(fs, &progress, 320 _("Writing inode tables: "), 321 fs->group_desc_count); 322 323 for (i = 0; i < fs->group_desc_count; i++) { 324 ext2fs_numeric_progress_update(fs, &progress, i); 325 326 blk = ext2fs_inode_table_loc(fs, i); 327 num = fs->inode_blocks_per_group; 328 329 if (lazy_flag) 330 num = ext2fs_div_ceil((fs->super->s_inodes_per_group - 331 ext2fs_bg_itable_unused(fs, i)) * 332 EXT2_INODE_SIZE(fs->super), 333 EXT2_BLOCK_SIZE(fs->super)); 334 if (!lazy_flag || itable_zeroed) { 335 /* The kernel doesn't need to zero the itable blocks */ 336 ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED); 337 ext2fs_group_desc_csum_set(fs, i); 338 } 339 retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num); 340 if (retval) { 341 fprintf(stderr, _("\nCould not write %d " 342 "blocks in inode table starting at %llu: %s\n"), 343 num, blk, error_message(retval)); 344 exit(1); 345 } 346 if (sync_kludge) { 347 if (sync_kludge == 1) 348 sync(); 349 else if ((i % sync_kludge) == 0) 350 sync(); 351 } 352 } 353 ext2fs_zero_blocks2(0, 0, 0, 0, 0); 354 ext2fs_numeric_progress_close(fs, &progress, 355 _("done \n")); 356} 357 358static void create_root_dir(ext2_filsys fs) 359{ 360 errcode_t retval; 361 struct ext2_inode inode; 362 363 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); 364 if (retval) { 365 com_err("ext2fs_mkdir", retval, "%s", 366 _("while creating root dir")); 367 exit(1); 368 } 369 if (root_uid != 0 || root_gid != 0) { 370 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); 371 if (retval) { 372 com_err("ext2fs_read_inode", retval, "%s", 373 _("while reading root inode")); 374 exit(1); 375 } 376 377 inode.i_uid = root_uid; 378 ext2fs_set_i_uid_high(inode, root_uid >> 16); 379 inode.i_gid = root_gid; 380 ext2fs_set_i_gid_high(inode, root_gid >> 16); 381 382 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); 383 if (retval) { 384 com_err("ext2fs_write_inode", retval, "%s", 385 _("while setting root inode ownership")); 386 exit(1); 387 } 388 } 389} 390 391static void create_lost_and_found(ext2_filsys fs) 392{ 393 unsigned int lpf_size = 0; 394 errcode_t retval; 395 ext2_ino_t ino; 396 const char *name = "lost+found"; 397 int i; 398 399 fs->umask = 077; 400 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); 401 if (retval) { 402 com_err("ext2fs_mkdir", retval, "%s", 403 _("while creating /lost+found")); 404 exit(1); 405 } 406 407 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); 408 if (retval) { 409 com_err("ext2_lookup", retval, "%s", 410 _("while looking up /lost+found")); 411 exit(1); 412 } 413 414 for (i=1; i < EXT2_NDIR_BLOCKS; i++) { 415 /* Ensure that lost+found is at least 2 blocks, so we always 416 * test large empty blocks for big-block filesystems. */ 417 if ((lpf_size += fs->blocksize) >= 16*1024 && 418 lpf_size >= 2 * fs->blocksize) 419 break; 420 retval = ext2fs_expand_dir(fs, ino); 421 if (retval) { 422 com_err("ext2fs_expand_dir", retval, "%s", 423 _("while expanding /lost+found")); 424 exit(1); 425 } 426 } 427} 428 429static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) 430{ 431 errcode_t retval; 432 433 ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO); 434 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); 435 retval = ext2fs_update_bb_inode(fs, bb_list); 436 if (retval) { 437 com_err("ext2fs_update_bb_inode", retval, "%s", 438 _("while setting bad block inode")); 439 exit(1); 440 } 441 442} 443 444static void reserve_inodes(ext2_filsys fs) 445{ 446 ext2_ino_t i; 447 448 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) 449 ext2fs_inode_alloc_stats2(fs, i, +1, 0); 450 ext2fs_mark_ib_dirty(fs); 451} 452 453#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ 454#define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ 455#define BSD_LABEL_OFFSET 64 456 457static void zap_sector(ext2_filsys fs, int sect, int nsect) 458{ 459 char *buf; 460 int retval; 461 unsigned int *magic; 462 463 buf = malloc(512*nsect); 464 if (!buf) { 465 printf(_("Out of memory erasing sectors %d-%d\n"), 466 sect, sect + nsect - 1); 467 exit(1); 468 } 469 470 if (sect == 0) { 471 /* Check for a BSD disklabel, and don't erase it if so */ 472 retval = io_channel_read_blk64(fs->io, 0, -512, buf); 473 if (retval) 474 fprintf(stderr, 475 _("Warning: could not read block 0: %s\n"), 476 error_message(retval)); 477 else { 478 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); 479 if ((*magic == BSD_DISKMAGIC) || 480 (*magic == BSD_MAGICDISK)) 481 return; 482 } 483 } 484 485 memset(buf, 0, 512*nsect); 486 io_channel_set_blksize(fs->io, 512); 487 retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf); 488 io_channel_set_blksize(fs->io, fs->blocksize); 489 free(buf); 490 if (retval) 491 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), 492 sect, error_message(retval)); 493} 494 495static void create_journal_dev(ext2_filsys fs) 496{ 497 struct ext2fs_numeric_progress_struct progress; 498 errcode_t retval; 499 char *buf; 500 blk64_t blk, err_blk; 501 int c, count, err_count; 502 503 retval = ext2fs_create_journal_superblock(fs, 504 ext2fs_blocks_count(fs->super), 0, &buf); 505 if (retval) { 506 com_err("create_journal_dev", retval, "%s", 507 _("while initializing journal superblock")); 508 exit(1); 509 } 510 511 if (journal_flags & EXT2_MKJOURNAL_LAZYINIT) 512 goto write_superblock; 513 514 ext2fs_numeric_progress_init(fs, &progress, 515 _("Zeroing journal device: "), 516 ext2fs_blocks_count(fs->super)); 517 blk = 0; 518 count = ext2fs_blocks_count(fs->super); 519 while (count > 0) { 520 if (count > 1024) 521 c = 1024; 522 else 523 c = count; 524 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count); 525 if (retval) { 526 com_err("create_journal_dev", retval, 527 _("while zeroing journal device " 528 "(block %llu, count %d)"), 529 err_blk, err_count); 530 exit(1); 531 } 532 blk += c; 533 count -= c; 534 ext2fs_numeric_progress_update(fs, &progress, blk); 535 } 536 ext2fs_zero_blocks2(0, 0, 0, 0, 0); 537 538 ext2fs_numeric_progress_close(fs, &progress, NULL); 539write_superblock: 540 retval = io_channel_write_blk64(fs->io, 541 fs->super->s_first_data_block+1, 542 1, buf); 543 if (retval) { 544 com_err("create_journal_dev", retval, "%s", 545 _("while writing journal superblock")); 546 exit(1); 547 } 548} 549 550static void show_stats(ext2_filsys fs) 551{ 552 struct ext2_super_block *s = fs->super; 553 char buf[80]; 554 char *os; 555 blk64_t group_block; 556 dgrp_t i; 557 int need, col_left; 558 559 if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s)) 560 fprintf(stderr, _("warning: %llu blocks unused.\n\n"), 561 ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s)); 562 563 memset(buf, 0, sizeof(buf)); 564 strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); 565 printf(_("Filesystem label=%s\n"), buf); 566 os = e2p_os2string(fs->super->s_creator_os); 567 if (os) 568 printf(_("OS type: %s\n"), os); 569 free(os); 570 printf(_("Block size=%u (log=%u)\n"), fs->blocksize, 571 s->s_log_block_size); 572 if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super, 573 EXT4_FEATURE_RO_COMPAT_BIGALLOC)) 574 printf(_("Cluster size=%u (log=%u)\n"), 575 fs->blocksize << fs->cluster_ratio_bits, 576 s->s_log_cluster_size); 577 else 578 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s), 579 s->s_log_cluster_size); 580 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"), 581 s->s_raid_stride, s->s_raid_stripe_width); 582 printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count, 583 ext2fs_blocks_count(s)); 584 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"), 585 ext2fs_r_blocks_count(s), 586 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s)); 587 printf(_("First data block=%u\n"), s->s_first_data_block); 588 if (root_uid != 0 || root_gid != 0) 589 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid); 590 if (s->s_reserved_gdt_blocks) 591 printf(_("Maximum filesystem blocks=%lu\n"), 592 (s->s_reserved_gdt_blocks + fs->desc_blocks) * 593 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); 594 if (fs->group_desc_count > 1) 595 printf(_("%u block groups\n"), fs->group_desc_count); 596 else 597 printf(_("%u block group\n"), fs->group_desc_count); 598 if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super, 599 EXT4_FEATURE_RO_COMPAT_BIGALLOC)) 600 printf(_("%u blocks per group, %u clusters per group\n"), 601 s->s_blocks_per_group, s->s_clusters_per_group); 602 else 603 printf(_("%u blocks per group, %u fragments per group\n"), 604 s->s_blocks_per_group, s->s_clusters_per_group); 605 printf(_("%u inodes per group\n"), s->s_inodes_per_group); 606 607 if (fs->group_desc_count == 1) { 608 printf("\n"); 609 return; 610 } 611 612 printf("%s", _("Superblock backups stored on blocks: ")); 613 group_block = s->s_first_data_block; 614 col_left = 0; 615 for (i = 1; i < fs->group_desc_count; i++) { 616 group_block += s->s_blocks_per_group; 617 if (!ext2fs_bg_has_super(fs, i)) 618 continue; 619 if (i != 1) 620 printf(", "); 621 need = int_log10(group_block) + 2; 622 if (need > col_left) { 623 printf("\n\t"); 624 col_left = 72; 625 } 626 col_left -= need; 627 printf("%llu", group_block); 628 } 629 printf("\n\n"); 630} 631 632/* 633 * Set the S_CREATOR_OS field. Return true if OS is known, 634 * otherwise, 0. 635 */ 636static int set_os(struct ext2_super_block *sb, char *os) 637{ 638 if (isdigit (*os)) 639 sb->s_creator_os = atoi (os); 640 else if (strcasecmp(os, "linux") == 0) 641 sb->s_creator_os = EXT2_OS_LINUX; 642 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) 643 sb->s_creator_os = EXT2_OS_HURD; 644 else if (strcasecmp(os, "freebsd") == 0) 645 sb->s_creator_os = EXT2_OS_FREEBSD; 646 else if (strcasecmp(os, "lites") == 0) 647 sb->s_creator_os = EXT2_OS_LITES; 648 else 649 return 0; 650 return 1; 651} 652 653#define PATH_SET "PATH=/sbin" 654 655static void parse_extended_opts(struct ext2_super_block *param, 656 const char *opts) 657{ 658 char *buf, *token, *next, *p, *arg, *badopt = 0; 659 int len; 660 int r_usage = 0; 661 662 len = strlen(opts); 663 buf = malloc(len+1); 664 if (!buf) { 665 fprintf(stderr, "%s", 666 _("Couldn't allocate memory to parse options!\n")); 667 exit(1); 668 } 669 strcpy(buf, opts); 670 for (token = buf; token && *token; token = next) { 671 p = strchr(token, ','); 672 next = 0; 673 if (p) { 674 *p = 0; 675 next = p+1; 676 } 677 arg = strchr(token, '='); 678 if (arg) { 679 *arg = 0; 680 arg++; 681 } 682 if (strcmp(token, "desc-size") == 0 || 683 strcmp(token, "desc_size") == 0) { 684 int desc_size; 685 686 if (!(fs_param.s_feature_incompat & 687 EXT4_FEATURE_INCOMPAT_64BIT)) { 688 fprintf(stderr, 689 _("%s requires '-O 64bit'\n"), token); 690 r_usage++; 691 continue; 692 } 693 if (param->s_reserved_gdt_blocks != 0) { 694 fprintf(stderr, 695 _("'%s' must be before 'resize=%u'\n"), 696 token, param->s_reserved_gdt_blocks); 697 r_usage++; 698 continue; 699 } 700 if (!arg) { 701 r_usage++; 702 badopt = token; 703 continue; 704 } 705 desc_size = strtoul(arg, &p, 0); 706 if (*p || (desc_size & (desc_size - 1))) { 707 fprintf(stderr, 708 _("Invalid desc_size: '%s'\n"), arg); 709 r_usage++; 710 continue; 711 } 712 param->s_desc_size = desc_size; 713 } else if (strcmp(token, "mmp_update_interval") == 0) { 714 if (!arg) { 715 r_usage++; 716 badopt = token; 717 continue; 718 } 719 param->s_mmp_update_interval = strtoul(arg, &p, 0); 720 if (*p) { 721 fprintf(stderr, 722 _("Invalid mmp_update_interval: %s\n"), 723 arg); 724 r_usage++; 725 continue; 726 } 727 } else if (strcmp(token, "stride") == 0) { 728 if (!arg) { 729 r_usage++; 730 badopt = token; 731 continue; 732 } 733 param->s_raid_stride = strtoul(arg, &p, 0); 734 if (*p) { 735 fprintf(stderr, 736 _("Invalid stride parameter: %s\n"), 737 arg); 738 r_usage++; 739 continue; 740 } 741 } else if (strcmp(token, "stripe-width") == 0 || 742 strcmp(token, "stripe_width") == 0) { 743 if (!arg) { 744 r_usage++; 745 badopt = token; 746 continue; 747 } 748 param->s_raid_stripe_width = strtoul(arg, &p, 0); 749 if (*p) { 750 fprintf(stderr, 751 _("Invalid stripe-width parameter: %s\n"), 752 arg); 753 r_usage++; 754 continue; 755 } 756 } else if (!strcmp(token, "resize")) { 757 blk64_t resize; 758 unsigned long bpg, rsv_groups; 759 unsigned long group_desc_count, desc_blocks; 760 unsigned int gdpb, blocksize; 761 int rsv_gdb; 762 763 if (!arg) { 764 r_usage++; 765 badopt = token; 766 continue; 767 } 768 769 resize = parse_num_blocks2(arg, 770 param->s_log_block_size); 771 772 if (resize == 0) { 773 fprintf(stderr, 774 _("Invalid resize parameter: %s\n"), 775 arg); 776 r_usage++; 777 continue; 778 } 779 if (resize <= ext2fs_blocks_count(param)) { 780 fprintf(stderr, "%s", 781 _("The resize maximum must be greater " 782 "than the filesystem size.\n")); 783 r_usage++; 784 continue; 785 } 786 787 blocksize = EXT2_BLOCK_SIZE(param); 788 bpg = param->s_blocks_per_group; 789 if (!bpg) 790 bpg = blocksize * 8; 791 gdpb = EXT2_DESC_PER_BLOCK(param); 792 group_desc_count = (__u32) ext2fs_div64_ceil( 793 ext2fs_blocks_count(param), bpg); 794 desc_blocks = (group_desc_count + 795 gdpb - 1) / gdpb; 796 rsv_groups = ext2fs_div64_ceil(resize, bpg); 797 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - 798 desc_blocks; 799 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) 800 rsv_gdb = EXT2_ADDR_PER_BLOCK(param); 801 802 if (rsv_gdb > 0) { 803 if (param->s_rev_level == EXT2_GOOD_OLD_REV) { 804 fprintf(stderr, "%s", 805 _("On-line resizing not supported with revision 0 filesystems\n")); 806 free(buf); 807 exit(1); 808 } 809 param->s_feature_compat |= 810 EXT2_FEATURE_COMPAT_RESIZE_INODE; 811 812 param->s_reserved_gdt_blocks = rsv_gdb; 813 } 814 } else if (!strcmp(token, "test_fs")) { 815 param->s_flags |= EXT2_FLAGS_TEST_FILESYS; 816 } else if (!strcmp(token, "lazy_itable_init")) { 817 if (arg) 818 lazy_itable_init = strtoul(arg, &p, 0); 819 else 820 lazy_itable_init = 1; 821 } else if (!strcmp(token, "lazy_journal_init")) { 822 if (arg) 823 journal_flags |= strtoul(arg, &p, 0) ? 824 EXT2_MKJOURNAL_LAZYINIT : 0; 825 else 826 journal_flags |= EXT2_MKJOURNAL_LAZYINIT; 827 } else if (!strcmp(token, "root_owner")) { 828 if (arg) { 829 root_uid = strtoul(arg, &p, 0); 830 if (*p != ':') { 831 fprintf(stderr, 832 _("Invalid root_owner: '%s'\n"), 833 arg); 834 r_usage++; 835 continue; 836 } 837 p++; 838 root_gid = strtoul(p, &p, 0); 839 if (*p) { 840 fprintf(stderr, 841 _("Invalid root_owner: '%s'\n"), 842 arg); 843 r_usage++; 844 continue; 845 } 846 } else { 847 root_uid = getuid(); 848 root_gid = getgid(); 849 } 850 } else if (!strcmp(token, "discard")) { 851 discard = 1; 852 } else if (!strcmp(token, "nodiscard")) { 853 discard = 0; 854 } else if (!strcmp(token, "quotatype")) { 855 if (!arg) { 856 r_usage++; 857 badopt = token; 858 continue; 859 } 860 if (!strncmp(arg, "usr", 3)) { 861 quotatype = 0; 862 } else if (!strncmp(arg, "grp", 3)) { 863 quotatype = 1; 864 } else { 865 fprintf(stderr, 866 _("Invalid quotatype parameter: %s\n"), 867 arg); 868 r_usage++; 869 continue; 870 } 871 } else { 872 r_usage++; 873 badopt = token; 874 } 875 } 876 if (r_usage) { 877 fprintf(stderr, _("\nBad option(s) specified: %s\n\n" 878 "Extended options are separated by commas, " 879 "and may take an argument which\n" 880 "\tis set off by an equals ('=') sign.\n\n" 881 "Valid extended options are:\n" 882 "\tstride=<RAID per-disk data chunk in blocks>\n" 883 "\tstripe-width=<RAID stride * data disks in blocks>\n" 884 "\tresize=<resize maximum size in blocks>\n" 885 "\tlazy_itable_init=<0 to disable, 1 to enable>\n" 886 "\tlazy_journal_init=<0 to disable, 1 to enable>\n" 887 "\troot_uid=<uid of root directory>\n" 888 "\troot_gid=<gid of root directory>\n" 889 "\ttest_fs\n" 890 "\tdiscard\n" 891 "\tnodiscard\n" 892 "\tquotatype=<usr OR grp>\n\n"), 893 badopt ? badopt : ""); 894 free(buf); 895 exit(1); 896 } 897 if (param->s_raid_stride && 898 (param->s_raid_stripe_width % param->s_raid_stride) != 0) 899 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " 900 "multiple of stride %u.\n\n"), 901 param->s_raid_stripe_width, param->s_raid_stride); 902 903 free(buf); 904} 905 906static __u32 ok_features[3] = { 907 /* Compat */ 908 EXT3_FEATURE_COMPAT_HAS_JOURNAL | 909 EXT2_FEATURE_COMPAT_RESIZE_INODE | 910 EXT2_FEATURE_COMPAT_DIR_INDEX | 911 EXT2_FEATURE_COMPAT_EXT_ATTR, 912 /* Incompat */ 913 EXT2_FEATURE_INCOMPAT_FILETYPE| 914 EXT3_FEATURE_INCOMPAT_EXTENTS| 915 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| 916 EXT2_FEATURE_INCOMPAT_META_BG| 917 EXT4_FEATURE_INCOMPAT_FLEX_BG| 918 EXT4_FEATURE_INCOMPAT_MMP | 919 EXT4_FEATURE_INCOMPAT_64BIT, 920 /* R/O compat */ 921 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| 922 EXT4_FEATURE_RO_COMPAT_HUGE_FILE| 923 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 924 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| 925 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| 926 EXT4_FEATURE_RO_COMPAT_GDT_CSUM| 927 EXT4_FEATURE_RO_COMPAT_BIGALLOC| 928#ifdef CONFIG_QUOTA 929 EXT4_FEATURE_RO_COMPAT_QUOTA| 930#endif 931 0 932}; 933 934 935static void syntax_err_report(const char *filename, long err, int line_num) 936{ 937 fprintf(stderr, 938 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), 939 filename, line_num, error_message(err)); 940 exit(1); 941} 942 943static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; 944 945static void edit_feature(const char *str, __u32 *compat_array) 946{ 947 if (!str) 948 return; 949 950 if (e2p_edit_feature(str, compat_array, ok_features)) { 951 fprintf(stderr, _("Invalid filesystem option set: %s\n"), 952 str); 953 exit(1); 954 } 955} 956 957static void edit_mntopts(const char *str, __u32 *mntopts) 958{ 959 if (!str) 960 return; 961 962 if (e2p_edit_mntopts(str, mntopts, ~0)) { 963 fprintf(stderr, _("Invalid mount option set: %s\n"), 964 str); 965 exit(1); 966 } 967} 968 969struct str_list { 970 char **list; 971 int num; 972 int max; 973}; 974 975static errcode_t init_list(struct str_list *sl) 976{ 977 sl->num = 0; 978 sl->max = 0; 979 sl->list = malloc((sl->max+1) * sizeof(char *)); 980 if (!sl->list) 981 return ENOMEM; 982 sl->list[0] = 0; 983 return 0; 984} 985 986static errcode_t push_string(struct str_list *sl, const char *str) 987{ 988 char **new_list; 989 990 if (sl->num >= sl->max) { 991 sl->max += 2; 992 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); 993 if (!new_list) 994 return ENOMEM; 995 sl->list = new_list; 996 } 997 sl->list[sl->num] = malloc(strlen(str)+1); 998 if (sl->list[sl->num] == 0) 999 return ENOMEM; 1000 strcpy(sl->list[sl->num], str); 1001 sl->num++; 1002 sl->list[sl->num] = 0; 1003 return 0; 1004} 1005 1006static void print_str_list(char **list) 1007{ 1008 char **cpp; 1009 1010 for (cpp = list; *cpp; cpp++) { 1011 printf("'%s'", *cpp); 1012 if (cpp[1]) 1013 fputs(", ", stdout); 1014 } 1015 fputc('\n', stdout); 1016} 1017 1018/* 1019 * Return TRUE if the profile has the given subsection 1020 */ 1021static int profile_has_subsection(profile_t prof, const char *section, 1022 const char *subsection) 1023{ 1024 void *state; 1025 const char *names[4]; 1026 char *name; 1027 int ret = 0; 1028 1029 names[0] = section; 1030 names[1] = subsection; 1031 names[2] = 0; 1032 1033 if (profile_iterator_create(prof, names, 1034 PROFILE_ITER_LIST_SECTION | 1035 PROFILE_ITER_RELATIONS_ONLY, &state)) 1036 return 0; 1037 1038 if ((profile_iterator(&state, &name, 0) == 0) && name) { 1039 free(name); 1040 ret = 1; 1041 } 1042 1043 profile_iterator_free(&state); 1044 return ret; 1045} 1046 1047static char **parse_fs_type(const char *fs_type, 1048 const char *usage_types, 1049 struct ext2_super_block *sb, 1050 blk64_t fs_blocks_count, 1051 char *progname) 1052{ 1053 const char *ext_type = 0; 1054 char *parse_str; 1055 char *profile_type = 0; 1056 char *cp, *t; 1057 const char *size_type; 1058 struct str_list list; 1059 unsigned long long meg; 1060 int is_hurd = 0; 1061 1062 if (init_list(&list)) 1063 return 0; 1064 1065 if (creator_os && (!strcasecmp(creator_os, "GNU") || 1066 !strcasecmp(creator_os, "hurd"))) 1067 is_hurd = 1; 1068 1069 if (fs_type) 1070 ext_type = fs_type; 1071 else if (is_hurd) 1072 ext_type = "ext2"; 1073 else if (!strcmp(program_name, "mke3fs")) 1074 ext_type = "ext3"; 1075 else if (!strcmp(program_name, "mke4fs")) 1076 ext_type = "ext4"; 1077 else if (progname) { 1078 ext_type = strrchr(progname, '/'); 1079 if (ext_type) 1080 ext_type++; 1081 else 1082 ext_type = progname; 1083 1084 if (!strncmp(ext_type, "mkfs.", 5)) { 1085 ext_type += 5; 1086 if (ext_type[0] == 0) 1087 ext_type = 0; 1088 } else 1089 ext_type = 0; 1090 } 1091 1092 if (!ext_type) { 1093 profile_get_string(profile, "defaults", "fs_type", 0, 1094 "ext2", &profile_type); 1095 ext_type = profile_type; 1096 if (!strcmp(ext_type, "ext2") && (journal_size != 0)) 1097 ext_type = "ext3"; 1098 } 1099 1100 1101 if (!profile_has_subsection(profile, "fs_types", ext_type) && 1102 strcmp(ext_type, "ext2")) { 1103 printf(_("\nYour mke2fs.conf file does not define the " 1104 "%s filesystem type.\n"), ext_type); 1105 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") || 1106 !strcmp(ext_type, "ext4dev")) { 1107 printf("%s", _("You probably need to install an " 1108 "updated mke2fs.conf file.\n\n")); 1109 } 1110 if (!force) { 1111 printf("%s", _("Aborting...\n")); 1112 exit(1); 1113 } 1114 } 1115 1116 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb); 1117 if (fs_blocks_count < 3 * meg) 1118 size_type = "floppy"; 1119 else if (fs_blocks_count < 512 * meg) 1120 size_type = "small"; 1121 else if (fs_blocks_count < 4 * 1024 * 1024 * meg) 1122 size_type = "default"; 1123 else if (fs_blocks_count < 16 * 1024 * 1024 * meg) 1124 size_type = "big"; 1125 else 1126 size_type = "huge"; 1127 1128 if (!usage_types) 1129 usage_types = size_type; 1130 1131 parse_str = malloc(strlen(usage_types)+1); 1132 if (!parse_str) { 1133 free(profile_type); 1134 free(list.list); 1135 return 0; 1136 } 1137 strcpy(parse_str, usage_types); 1138 1139 if (ext_type) 1140 push_string(&list, ext_type); 1141 cp = parse_str; 1142 while (1) { 1143 t = strchr(cp, ','); 1144 if (t) 1145 *t = '\0'; 1146 1147 if (*cp) { 1148 if (profile_has_subsection(profile, "fs_types", cp)) 1149 push_string(&list, cp); 1150 else if (strcmp(cp, "default") != 0) 1151 fprintf(stderr, 1152 _("\nWarning: the fs_type %s is not " 1153 "defined in mke2fs.conf\n\n"), 1154 cp); 1155 } 1156 if (t) 1157 cp = t+1; 1158 else 1159 break; 1160 } 1161 free(parse_str); 1162 free(profile_type); 1163 if (is_hurd) 1164 push_string(&list, "hurd"); 1165 return (list.list); 1166} 1167 1168static char *get_string_from_profile(char **types, const char *opt, 1169 const char *def_val) 1170{ 1171 char *ret = 0; 1172 int i; 1173 1174 for (i=0; types[i]; i++); 1175 for (i-=1; i >=0 ; i--) { 1176 profile_get_string(profile, "fs_types", types[i], 1177 opt, 0, &ret); 1178 if (ret) 1179 return ret; 1180 } 1181 profile_get_string(profile, "defaults", opt, 0, def_val, &ret); 1182 return (ret); 1183} 1184 1185static int get_int_from_profile(char **types, const char *opt, int def_val) 1186{ 1187 int ret; 1188 char **cpp; 1189 1190 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); 1191 for (cpp = types; *cpp; cpp++) 1192 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); 1193 return ret; 1194} 1195 1196static double get_double_from_profile(char **types, const char *opt, 1197 double def_val) 1198{ 1199 double ret; 1200 char **cpp; 1201 1202 profile_get_double(profile, "defaults", opt, 0, def_val, &ret); 1203 for (cpp = types; *cpp; cpp++) 1204 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret); 1205 return ret; 1206} 1207 1208static int get_bool_from_profile(char **types, const char *opt, int def_val) 1209{ 1210 int ret; 1211 char **cpp; 1212 1213 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); 1214 for (cpp = types; *cpp; cpp++) 1215 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); 1216 return ret; 1217} 1218 1219extern const char *mke2fs_default_profile; 1220static const char *default_files[] = { "<default>", 0 }; 1221 1222#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1223/* 1224 * Sets the geometry of a device (stripe/stride), and returns the 1225 * device's alignment offset, if any, or a negative error. 1226 */ 1227static int get_device_geometry(const char *file, 1228 struct ext2_super_block *fs_param, 1229 int psector_size) 1230{ 1231 int rc = -1; 1232 int blocksize; 1233 blkid_probe pr; 1234 blkid_topology tp; 1235 unsigned long min_io; 1236 unsigned long opt_io; 1237 struct stat statbuf; 1238 1239 /* Nothing to do for a regular file */ 1240 if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode)) 1241 return 0; 1242 1243 pr = blkid_new_probe_from_filename(file); 1244 if (!pr) 1245 goto out; 1246 1247 tp = blkid_probe_get_topology(pr); 1248 if (!tp) 1249 goto out; 1250 1251 min_io = blkid_topology_get_minimum_io_size(tp); 1252 opt_io = blkid_topology_get_optimal_io_size(tp); 1253 blocksize = EXT2_BLOCK_SIZE(fs_param); 1254 if ((min_io == 0) && (psector_size > blocksize)) 1255 min_io = psector_size; 1256 if ((opt_io == 0) && min_io) 1257 opt_io = min_io; 1258 if ((opt_io == 0) && (psector_size > blocksize)) 1259 opt_io = psector_size; 1260 1261 /* setting stripe/stride to blocksize is pointless */ 1262 if (min_io > blocksize) 1263 fs_param->s_raid_stride = min_io / blocksize; 1264 if (opt_io > blocksize) 1265 fs_param->s_raid_stripe_width = opt_io / blocksize; 1266 1267 rc = blkid_topology_get_alignment_offset(tp); 1268out: 1269 blkid_free_probe(pr); 1270 return rc; 1271} 1272#endif 1273 1274static void PRS(int argc, char *argv[]) 1275{ 1276 int b, c; 1277 int cluster_size = 0; 1278 char *tmp, **cpp; 1279 int blocksize = 0; 1280 int inode_ratio = 0; 1281 int inode_size = 0; 1282 unsigned long flex_bg_size = 0; 1283 double reserved_ratio = -1.0; 1284 int lsector_size = 0, psector_size = 0; 1285 int show_version_only = 0; 1286 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ 1287 errcode_t retval; 1288 char * oldpath = getenv("PATH"); 1289 char * extended_opts = 0; 1290 char * fs_type = 0; 1291 char * usage_types = 0; 1292 blk64_t dev_size; 1293 /* 1294 * NOTE: A few words about fs_blocks_count and blocksize: 1295 * 1296 * Initially, blocksize is set to zero, which implies 1024. 1297 * If -b is specified, blocksize is updated to the user's value. 1298 * 1299 * Next, the device size or the user's "blocks" command line argument 1300 * is used to set fs_blocks_count; the units are blocksize. 1301 * 1302 * Later, if blocksize hasn't been set and the profile specifies a 1303 * blocksize, then blocksize is updated and fs_blocks_count is scaled 1304 * appropriately. Note the change in units! 1305 * 1306 * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs. 1307 */ 1308 blk64_t fs_blocks_count = 0; 1309#ifdef __linux__ 1310 struct utsname ut; 1311#endif 1312 long sysval; 1313 int s_opt = -1, r_opt = -1; 1314 char *fs_features = 0; 1315 int use_bsize; 1316 char *newpath; 1317 int pathlen = sizeof(PATH_SET) + 1; 1318 1319 if (oldpath) 1320 pathlen += strlen(oldpath); 1321 newpath = malloc(pathlen); 1322 if (!newpath) { 1323 fprintf(stderr, "%s", 1324 _("Couldn't allocate memory for new PATH.\n")); 1325 exit(1); 1326 } 1327 strcpy(newpath, PATH_SET); 1328 1329 /* Update our PATH to include /sbin */ 1330 if (oldpath) { 1331 strcat (newpath, ":"); 1332 strcat (newpath, oldpath); 1333 } 1334 putenv (newpath); 1335 1336 tmp = getenv("MKE2FS_SYNC"); 1337 if (tmp) 1338 sync_kludge = atoi(tmp); 1339 1340 /* Determine the system page size if possible */ 1341#ifdef HAVE_SYSCONF 1342#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) 1343#define _SC_PAGESIZE _SC_PAGE_SIZE 1344#endif 1345#ifdef _SC_PAGESIZE 1346 sysval = sysconf(_SC_PAGESIZE); 1347 if (sysval > 0) 1348 sys_page_size = sysval; 1349#endif /* _SC_PAGESIZE */ 1350#endif /* HAVE_SYSCONF */ 1351 1352 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) 1353 config_fn[0] = tmp; 1354 profile_set_syntax_err_cb(syntax_err_report); 1355 retval = profile_init(config_fn, &profile); 1356 if (retval == ENOENT) { 1357 retval = profile_init(default_files, &profile); 1358 if (retval) 1359 goto profile_error; 1360 retval = profile_set_default(profile, mke2fs_default_profile); 1361 if (retval) 1362 goto profile_error; 1363 } else if (retval) { 1364profile_error: 1365 fprintf(stderr, _("Couldn't init profile successfully" 1366 " (error: %ld).\n"), retval); 1367 exit(1); 1368 } 1369 1370 setbuf(stdout, NULL); 1371 setbuf(stderr, NULL); 1372 add_error_table(&et_ext2_error_table); 1373 add_error_table(&et_prof_error_table); 1374 memset(&fs_param, 0, sizeof(struct ext2_super_block)); 1375 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ 1376 1377#ifdef __linux__ 1378 if (uname(&ut)) { 1379 perror("uname"); 1380 exit(1); 1381 } 1382 linux_version_code = parse_version_number(ut.release); 1383 if (linux_version_code && linux_version_code < (2*65536 + 2*256)) 1384 fs_param.s_rev_level = 0; 1385#endif 1386 1387 if (argc && *argv) { 1388 program_name = get_progname(*argv); 1389 1390 /* If called as mkfs.ext3, create a journal inode */ 1391 if (!strcmp(program_name, "mkfs.ext3") || 1392 !strcmp(program_name, "mke3fs")) 1393 journal_size = -1; 1394 } 1395 1396 while ((c = getopt (argc, argv, 1397 "b:cg:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:V")) != EOF) { 1398 switch (c) { 1399 case 'b': 1400 blocksize = parse_num_blocks2(optarg, -1); 1401 b = (blocksize > 0) ? blocksize : -blocksize; 1402 if (b < EXT2_MIN_BLOCK_SIZE || 1403 b > EXT2_MAX_BLOCK_SIZE) { 1404 com_err(program_name, 0, 1405 _("invalid block size - %s"), optarg); 1406 exit(1); 1407 } 1408 if (blocksize > 4096) 1409 fprintf(stderr, _("Warning: blocksize %d not " 1410 "usable on most systems.\n"), 1411 blocksize); 1412 if (blocksize > 0) 1413 fs_param.s_log_block_size = 1414 int_log2(blocksize >> 1415 EXT2_MIN_BLOCK_LOG_SIZE); 1416 break; 1417 case 'c': /* Check for bad blocks */ 1418 cflag++; 1419 break; 1420 case 'C': 1421 cluster_size = parse_num_blocks2(optarg, -1); 1422 if (cluster_size <= EXT2_MIN_CLUSTER_SIZE || 1423 cluster_size > EXT2_MAX_CLUSTER_SIZE) { 1424 com_err(program_name, 0, 1425 _("invalid cluster size - %s"), 1426 optarg); 1427 exit(1); 1428 } 1429 break; 1430 case 'D': 1431 direct_io = 1; 1432 break; 1433 case 'R': 1434 com_err(program_name, 0, "%s", 1435 _("'-R' is deprecated, use '-E' instead")); 1436 /* fallthrough */ 1437 case 'E': 1438 extended_opts = optarg; 1439 break; 1440 case 'F': 1441 force++; 1442 break; 1443 case 'g': 1444 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); 1445 if (*tmp) { 1446 com_err(program_name, 0, "%s", 1447 _("Illegal number for blocks per group")); 1448 exit(1); 1449 } 1450 if ((fs_param.s_blocks_per_group % 8) != 0) { 1451 com_err(program_name, 0, "%s", 1452 _("blocks per group must be multiple of 8")); 1453 exit(1); 1454 } 1455 break; 1456 case 'G': 1457 flex_bg_size = strtoul(optarg, &tmp, 0); 1458 if (*tmp) { 1459 com_err(program_name, 0, "%s", 1460 _("Illegal number for flex_bg size")); 1461 exit(1); 1462 } 1463 if (flex_bg_size < 1 || 1464 (flex_bg_size & (flex_bg_size-1)) != 0) { 1465 com_err(program_name, 0, "%s", 1466 _("flex_bg size must be a power of 2")); 1467 exit(1); 1468 } 1469 break; 1470 case 'i': 1471 inode_ratio = strtoul(optarg, &tmp, 0); 1472 if (inode_ratio < EXT2_MIN_BLOCK_SIZE || 1473 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || 1474 *tmp) { 1475 com_err(program_name, 0, 1476 _("invalid inode ratio %s (min %d/max %d)"), 1477 optarg, EXT2_MIN_BLOCK_SIZE, 1478 EXT2_MAX_BLOCK_SIZE * 1024); 1479 exit(1); 1480 } 1481 break; 1482 case 'I': 1483 inode_size = strtoul(optarg, &tmp, 0); 1484 if (*tmp) { 1485 com_err(program_name, 0, 1486 _("invalid inode size - %s"), optarg); 1487 exit(1); 1488 } 1489 break; 1490 case 'j': 1491 if (!journal_size) 1492 journal_size = -1; 1493 break; 1494 case 'J': 1495 parse_journal_opts(optarg); 1496 break; 1497 case 'K': 1498 fprintf(stderr, "%s", 1499 _("Warning: -K option is deprecated and " 1500 "should not be used anymore. Use " 1501 "\'-E nodiscard\' extended option " 1502 "instead!\n")); 1503 discard = 0; 1504 break; 1505 case 'l': 1506 bad_blocks_filename = realloc(bad_blocks_filename, 1507 strlen(optarg) + 1); 1508 if (!bad_blocks_filename) { 1509 com_err(program_name, ENOMEM, "%s", 1510 _("in malloc for bad_blocks_filename")); 1511 exit(1); 1512 } 1513 strcpy(bad_blocks_filename, optarg); 1514 break; 1515 case 'L': 1516 volume_label = optarg; 1517 break; 1518 case 'm': 1519 reserved_ratio = strtod(optarg, &tmp); 1520 if ( *tmp || reserved_ratio > 50 || 1521 reserved_ratio < 0) { 1522 com_err(program_name, 0, 1523 _("invalid reserved blocks percent - %s"), 1524 optarg); 1525 exit(1); 1526 } 1527 break; 1528 case 'M': 1529 mount_dir = optarg; 1530 break; 1531 case 'n': 1532 noaction++; 1533 break; 1534 case 'N': 1535 num_inodes = strtoul(optarg, &tmp, 0); 1536 if (*tmp) { 1537 com_err(program_name, 0, 1538 _("bad num inodes - %s"), optarg); 1539 exit(1); 1540 } 1541 break; 1542 case 'o': 1543 creator_os = optarg; 1544 break; 1545 case 'O': 1546 fs_features = optarg; 1547 break; 1548 case 'q': 1549 quiet = 1; 1550 break; 1551 case 'r': 1552 r_opt = strtoul(optarg, &tmp, 0); 1553 if (*tmp) { 1554 com_err(program_name, 0, 1555 _("bad revision level - %s"), optarg); 1556 exit(1); 1557 } 1558 fs_param.s_rev_level = r_opt; 1559 break; 1560 case 's': /* deprecated */ 1561 s_opt = atoi(optarg); 1562 break; 1563 case 'S': 1564 super_only = 1; 1565 break; 1566 case 't': 1567 if (fs_type) { 1568 com_err(program_name, 0, "%s", 1569 _("The -t option may only be used once")); 1570 exit(1); 1571 } 1572 fs_type = strdup(optarg); 1573 break; 1574 case 'T': 1575 if (usage_types) { 1576 com_err(program_name, 0, "%s", 1577 _("The -T option may only be used once")); 1578 exit(1); 1579 } 1580 usage_types = strdup(optarg); 1581 break; 1582 case 'U': 1583 fs_uuid = optarg; 1584 break; 1585 case 'v': 1586 verbose = 1; 1587 break; 1588 case 'V': 1589 /* Print version number and exit */ 1590 show_version_only++; 1591 break; 1592 default: 1593 usage(); 1594 } 1595 } 1596 if ((optind == argc) && !show_version_only) 1597 usage(); 1598 device_name = argv[optind++]; 1599 1600 if (!quiet || show_version_only) 1601 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, 1602 E2FSPROGS_DATE); 1603 1604 if (show_version_only) { 1605 fprintf(stderr, _("\tUsing %s\n"), 1606 error_message(EXT2_ET_BASE)); 1607 exit(0); 1608 } 1609 1610 /* 1611 * If there's no blocksize specified and there is a journal 1612 * device, use it to figure out the blocksize 1613 */ 1614 if (blocksize <= 0 && journal_device) { 1615 ext2_filsys jfs; 1616 io_manager io_ptr; 1617 1618#ifdef CONFIG_TESTIO_DEBUG 1619 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1620 io_ptr = test_io_manager; 1621 test_io_backing_manager = unix_io_manager; 1622 } else 1623#endif 1624 io_ptr = unix_io_manager; 1625 retval = ext2fs_open(journal_device, 1626 EXT2_FLAG_JOURNAL_DEV_OK, 0, 1627 0, io_ptr, &jfs); 1628 if (retval) { 1629 com_err(program_name, retval, 1630 _("while trying to open journal device %s\n"), 1631 journal_device); 1632 exit(1); 1633 } 1634 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { 1635 com_err(program_name, 0, 1636 _("Journal dev blocksize (%d) smaller than " 1637 "minimum blocksize %d\n"), jfs->blocksize, 1638 -blocksize); 1639 exit(1); 1640 } 1641 blocksize = jfs->blocksize; 1642 printf(_("Using journal device's blocksize: %d\n"), blocksize); 1643 fs_param.s_log_block_size = 1644 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1645 ext2fs_close(jfs); 1646 } 1647 1648 if (optind < argc) { 1649 fs_blocks_count = parse_num_blocks2(argv[optind++], 1650 fs_param.s_log_block_size); 1651 if (!fs_blocks_count) { 1652 com_err(program_name, 0, 1653 _("invalid blocks '%s' on device '%s'"), 1654 argv[optind - 1], device_name); 1655 exit(1); 1656 } 1657 } 1658 if (optind < argc) 1659 usage(); 1660 1661 if (!force) 1662 check_plausibility(device_name); 1663 check_mount(device_name, force, _("filesystem")); 1664 1665 /* Determine the size of the device (if possible) */ 1666 if (noaction && fs_blocks_count) { 1667 dev_size = fs_blocks_count; 1668 retval = 0; 1669 } else 1670 retval = ext2fs_get_device_size2(device_name, 1671 EXT2_BLOCK_SIZE(&fs_param), 1672 &dev_size); 1673 1674 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { 1675 com_err(program_name, retval, "%s", 1676 _("while trying to determine filesystem size")); 1677 exit(1); 1678 } 1679 if (!fs_blocks_count) { 1680 if (retval == EXT2_ET_UNIMPLEMENTED) { 1681 com_err(program_name, 0, "%s", 1682 _("Couldn't determine device size; you " 1683 "must specify\nthe size of the " 1684 "filesystem\n")); 1685 exit(1); 1686 } else { 1687 if (dev_size == 0) { 1688 com_err(program_name, 0, "%s", 1689 _("Device size reported to be zero. " 1690 "Invalid partition specified, or\n\t" 1691 "partition table wasn't reread " 1692 "after running fdisk, due to\n\t" 1693 "a modified partition being busy " 1694 "and in use. You may need to reboot\n\t" 1695 "to re-read your partition table.\n" 1696 )); 1697 exit(1); 1698 } 1699 fs_blocks_count = dev_size; 1700 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) 1701 fs_blocks_count &= ~((blk64_t) ((sys_page_size / 1702 EXT2_BLOCK_SIZE(&fs_param))-1)); 1703 } 1704 } else if (!force && (fs_blocks_count > dev_size)) { 1705 com_err(program_name, 0, "%s", 1706 _("Filesystem larger than apparent device size.")); 1707 proceed_question(); 1708 } 1709 1710 if (!fs_type) 1711 profile_get_string(profile, "devices", device_name, 1712 "fs_type", 0, &fs_type); 1713 if (!usage_types) 1714 profile_get_string(profile, "devices", device_name, 1715 "usage_types", 0, &usage_types); 1716 1717 /* 1718 * We have the file system (or device) size, so we can now 1719 * determine the appropriate file system types so the fs can 1720 * be appropriately configured. 1721 */ 1722 fs_types = parse_fs_type(fs_type, usage_types, &fs_param, 1723 fs_blocks_count ? fs_blocks_count : dev_size, 1724 argv[0]); 1725 if (!fs_types) { 1726 fprintf(stderr, "%s", _("Failed to parse fs types list\n")); 1727 exit(1); 1728 } 1729 1730 /* Figure out what features should be enabled */ 1731 1732 tmp = NULL; 1733 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { 1734 tmp = get_string_from_profile(fs_types, "base_features", 1735 "sparse_super,filetype,resize_inode,dir_index"); 1736 edit_feature(tmp, &fs_param.s_feature_compat); 1737 free(tmp); 1738 1739 /* And which mount options as well */ 1740 tmp = get_string_from_profile(fs_types, "default_mntopts", 1741 "acl,user_xattr"); 1742 edit_mntopts(tmp, &fs_param.s_default_mount_opts); 1743 if (tmp) 1744 free(tmp); 1745 1746 for (cpp = fs_types; *cpp; cpp++) { 1747 tmp = NULL; 1748 profile_get_string(profile, "fs_types", *cpp, 1749 "features", "", &tmp); 1750 if (tmp && *tmp) 1751 edit_feature(tmp, &fs_param.s_feature_compat); 1752 if (tmp) 1753 free(tmp); 1754 } 1755 tmp = get_string_from_profile(fs_types, "default_features", 1756 ""); 1757 } 1758 edit_feature(fs_features ? fs_features : tmp, 1759 &fs_param.s_feature_compat); 1760 if (tmp) 1761 free(tmp); 1762 1763 /* Get the hardware sector sizes, if available */ 1764 retval = ext2fs_get_device_sectsize(device_name, &lsector_size); 1765 if (retval) { 1766 com_err(program_name, retval, "%s", 1767 _("while trying to determine hardware sector size")); 1768 exit(1); 1769 } 1770 retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size); 1771 if (retval) { 1772 com_err(program_name, retval, "%s", 1773 _("while trying to determine physical sector size")); 1774 exit(1); 1775 } 1776 1777 tmp = getenv("MKE2FS_DEVICE_SECTSIZE"); 1778 if (tmp != NULL) 1779 lsector_size = atoi(tmp); 1780 tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE"); 1781 if (tmp != NULL) 1782 psector_size = atoi(tmp); 1783 1784 /* Older kernels may not have physical/logical distinction */ 1785 if (!psector_size) 1786 psector_size = lsector_size; 1787 1788 if (blocksize <= 0) { 1789 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); 1790 1791 if (use_bsize == -1) { 1792 use_bsize = sys_page_size; 1793 if ((linux_version_code < (2*65536 + 6*256)) && 1794 (use_bsize > 4096)) 1795 use_bsize = 4096; 1796 } 1797 if (lsector_size && use_bsize < lsector_size) 1798 use_bsize = lsector_size; 1799 if ((blocksize < 0) && (use_bsize < (-blocksize))) 1800 use_bsize = -blocksize; 1801 blocksize = use_bsize; 1802 fs_blocks_count /= (blocksize / 1024); 1803 } else { 1804 if (blocksize < lsector_size) { /* Impossible */ 1805 com_err(program_name, EINVAL, "%s", 1806 _("while setting blocksize; too small " 1807 "for device\n")); 1808 exit(1); 1809 } else if ((blocksize < psector_size) && 1810 (psector_size <= sys_page_size)) { /* Suboptimal */ 1811 fprintf(stderr, _("Warning: specified blocksize %d is " 1812 "less than device physical sectorsize %d\n"), 1813 blocksize, psector_size); 1814 } 1815 } 1816 1817 fs_param.s_log_block_size = 1818 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1819 1820 /* 1821 * We now need to do a sanity check of fs_blocks_count for 1822 * 32-bit vs 64-bit block number support. 1823 */ 1824 if ((fs_blocks_count > MAX_32_NUM) && 1825 !(fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) && 1826 get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) { 1827 fs_param.s_feature_incompat |= EXT4_FEATURE_INCOMPAT_64BIT; 1828 fs_param.s_feature_compat &= ~EXT2_FEATURE_COMPAT_RESIZE_INODE; 1829 } 1830 if ((fs_blocks_count > MAX_32_NUM) && 1831 !(fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT)) { 1832 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s " 1833 "too big to be expressed\n\t" 1834 "in 32 bits using a blocksize of %d.\n"), 1835 program_name, fs_blocks_count, device_name, 1836 EXT2_BLOCK_SIZE(&fs_param)); 1837 exit(1); 1838 } 1839 1840 ext2fs_blocks_count_set(&fs_param, fs_blocks_count); 1841 1842 if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1843 fs_types[0] = strdup("journal"); 1844 fs_types[1] = 0; 1845 } 1846 1847 if (verbose) { 1848 fputs(_("fs_types for mke2fs.conf resolution: "), stdout); 1849 print_str_list(fs_types); 1850 } 1851 1852 if (r_opt == EXT2_GOOD_OLD_REV && 1853 (fs_param.s_feature_compat || fs_param.s_feature_incompat || 1854 fs_param.s_feature_ro_compat)) { 1855 fprintf(stderr, "%s", _("Filesystem features not supported " 1856 "with revision 0 filesystems\n")); 1857 exit(1); 1858 } 1859 1860 if (s_opt > 0) { 1861 if (r_opt == EXT2_GOOD_OLD_REV) { 1862 fprintf(stderr, "%s", 1863 _("Sparse superblocks not supported " 1864 "with revision 0 filesystems\n")); 1865 exit(1); 1866 } 1867 fs_param.s_feature_ro_compat |= 1868 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1869 } else if (s_opt == 0) 1870 fs_param.s_feature_ro_compat &= 1871 ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; 1872 1873 if (journal_size != 0) { 1874 if (r_opt == EXT2_GOOD_OLD_REV) { 1875 fprintf(stderr, "%s", _("Journals not supported with " 1876 "revision 0 filesystems\n")); 1877 exit(1); 1878 } 1879 fs_param.s_feature_compat |= 1880 EXT3_FEATURE_COMPAT_HAS_JOURNAL; 1881 } 1882 1883 /* Get reserved_ratio from profile if not specified on cmd line. */ 1884 if (reserved_ratio < 0.0) { 1885 reserved_ratio = get_double_from_profile( 1886 fs_types, "reserved_ratio", 5.0); 1887 if (reserved_ratio > 50 || reserved_ratio < 0) { 1888 com_err(program_name, 0, 1889 _("invalid reserved blocks percent - %lf"), 1890 reserved_ratio); 1891 exit(1); 1892 } 1893 } 1894 1895 if (fs_param.s_feature_incompat & 1896 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 1897 reserved_ratio = 0; 1898 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; 1899 fs_param.s_feature_compat = 0; 1900 fs_param.s_feature_ro_compat = 0; 1901 } 1902 1903 /* Check the user's mkfs options for 64bit */ 1904 if ((fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) && 1905 !(fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS)) { 1906 printf("%s", _("Extents MUST be enabled for a 64-bit " 1907 "filesystem. Pass -O extents to rectify.\n")); 1908 exit(1); 1909 } 1910 1911 /* Set first meta blockgroup via an environment variable */ 1912 /* (this is mostly for debugging purposes) */ 1913 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 1914 ((tmp = getenv("MKE2FS_FIRST_META_BG")))) 1915 fs_param.s_first_meta_bg = atoi(tmp); 1916 if (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) { 1917 if (!cluster_size) 1918 cluster_size = get_int_from_profile(fs_types, 1919 "cluster_size", 1920 blocksize*16); 1921 fs_param.s_log_cluster_size = 1922 int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE); 1923 if (fs_param.s_log_cluster_size && 1924 fs_param.s_log_cluster_size < fs_param.s_log_block_size) { 1925 com_err(program_name, 0, "%s", 1926 _("The cluster size may not be " 1927 "smaller than the block size.\n")); 1928 exit(1); 1929 } 1930 } else if (cluster_size) { 1931 com_err(program_name, 0, "%s", 1932 _("specifying a cluster size requires the " 1933 "bigalloc feature")); 1934 exit(1); 1935 } else 1936 fs_param.s_log_cluster_size = fs_param.s_log_block_size; 1937 1938 if (inode_ratio == 0) { 1939 inode_ratio = get_int_from_profile(fs_types, "inode_ratio", 1940 8192); 1941 if (inode_ratio < blocksize) 1942 inode_ratio = blocksize; 1943 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param)) 1944 inode_ratio = EXT2_CLUSTER_SIZE(&fs_param); 1945 } 1946 1947#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1948 retval = get_device_geometry(device_name, &fs_param, psector_size); 1949 if (retval < 0) { 1950 fprintf(stderr, 1951 _("warning: Unable to get device geometry for %s\n"), 1952 device_name); 1953 } else if (retval) { 1954 printf(_("%s alignment is offset by %lu bytes.\n"), 1955 device_name, retval); 1956 printf(_("This may result in very poor performance, " 1957 "(re)-partitioning suggested.\n")); 1958 } 1959#endif 1960 1961 blocksize = EXT2_BLOCK_SIZE(&fs_param); 1962 1963 /* 1964 * Initialize s_desc_size so that the parse_extended_opts() 1965 * can correctly handle "-E resize=NNN" if the 64-bit option 1966 * is set. 1967 */ 1968 if (fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) 1969 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT; 1970 1971 /* This check should happen beyond the last assignment to blocksize */ 1972 if (blocksize > sys_page_size) { 1973 if (!force) { 1974 com_err(program_name, 0, 1975 _("%d-byte blocks too big for system (max %d)"), 1976 blocksize, sys_page_size); 1977 proceed_question(); 1978 } 1979 fprintf(stderr, _("Warning: %d-byte blocks too big for system " 1980 "(max %d), forced to continue\n"), 1981 blocksize, sys_page_size); 1982 } 1983 1984 lazy_itable_init = 0; 1985 if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0) 1986 lazy_itable_init = 1; 1987 1988 lazy_itable_init = get_bool_from_profile(fs_types, 1989 "lazy_itable_init", 1990 lazy_itable_init); 1991 discard = get_bool_from_profile(fs_types, "discard" , discard); 1992 journal_flags |= get_bool_from_profile(fs_types, 1993 "lazy_journal_init", 0) ? 1994 EXT2_MKJOURNAL_LAZYINIT : 0; 1995 journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK; 1996 1997 /* Get options from profile */ 1998 for (cpp = fs_types; *cpp; cpp++) { 1999 tmp = NULL; 2000 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp); 2001 if (tmp && *tmp) 2002 parse_extended_opts(&fs_param, tmp); 2003 free(tmp); 2004 } 2005 2006 if (extended_opts) 2007 parse_extended_opts(&fs_param, extended_opts); 2008 2009 /* Can't support bigalloc feature without extents feature */ 2010 if ((fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) && 2011 !(fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS)) { 2012 com_err(program_name, 0, "%s", 2013 _("Can't support bigalloc feature without " 2014 "extents feature")); 2015 exit(1); 2016 } 2017 2018 if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && 2019 (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) { 2020 fprintf(stderr, "%s", _("The resize_inode and meta_bg " 2021 "features are not compatible.\n" 2022 "They can not be both enabled " 2023 "simultaneously.\n")); 2024 exit(1); 2025 } 2026 2027 if (!quiet && 2028 (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC)) 2029 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is " 2030 "still under development\n" 2031 "See https://ext4.wiki.kernel.org/" 2032 "index.php/Bigalloc for more information\n\n")); 2033 2034 if (!quiet && 2035 (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_QUOTA)) 2036 fprintf(stderr, "%s", _("\nWarning: the quota feature is " 2037 "still under development\n" 2038 "See https://ext4.wiki.kernel.org/" 2039 "index.php/Quota for more information\n\n")); 2040 2041 /* Since sparse_super is the default, we would only have a problem 2042 * here if it was explicitly disabled. 2043 */ 2044 if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && 2045 !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { 2046 com_err(program_name, 0, "%s", 2047 _("reserved online resize blocks not supported " 2048 "on non-sparse filesystem")); 2049 exit(1); 2050 } 2051 2052 if (fs_param.s_blocks_per_group) { 2053 if (fs_param.s_blocks_per_group < 256 || 2054 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { 2055 com_err(program_name, 0, "%s", 2056 _("blocks per group count out of range")); 2057 exit(1); 2058 } 2059 } 2060 2061 /* 2062 * If the bigalloc feature is enabled, then the -g option will 2063 * specify the number of clusters per group. 2064 */ 2065 if (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) { 2066 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group; 2067 fs_param.s_blocks_per_group = 0; 2068 } 2069 2070 if (inode_size == 0) 2071 inode_size = get_int_from_profile(fs_types, "inode_size", 0); 2072 if (!flex_bg_size && (fs_param.s_feature_incompat & 2073 EXT4_FEATURE_INCOMPAT_FLEX_BG)) 2074 flex_bg_size = get_int_from_profile(fs_types, 2075 "flex_bg_size", 16); 2076 if (flex_bg_size) { 2077 if (!(fs_param.s_feature_incompat & 2078 EXT4_FEATURE_INCOMPAT_FLEX_BG)) { 2079 com_err(program_name, 0, "%s", 2080 _("Flex_bg feature not enabled, so " 2081 "flex_bg size may not be specified")); 2082 exit(1); 2083 } 2084 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size); 2085 } 2086 2087 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { 2088 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || 2089 inode_size > EXT2_BLOCK_SIZE(&fs_param) || 2090 inode_size & (inode_size - 1)) { 2091 com_err(program_name, 0, 2092 _("invalid inode size %d (min %d/max %d)"), 2093 inode_size, EXT2_GOOD_OLD_INODE_SIZE, 2094 blocksize); 2095 exit(1); 2096 } 2097 fs_param.s_inode_size = inode_size; 2098 } 2099 2100 /* Make sure number of inodes specified will fit in 32 bits */ 2101 if (num_inodes == 0) { 2102 unsigned long long n; 2103 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio; 2104 if (n > MAX_32_NUM) { 2105 if (fs_param.s_feature_incompat & 2106 EXT4_FEATURE_INCOMPAT_64BIT) 2107 num_inodes = MAX_32_NUM; 2108 else { 2109 com_err(program_name, 0, 2110 _("too many inodes (%llu), raise " 2111 "inode ratio?"), n); 2112 exit(1); 2113 } 2114 } 2115 } else if (num_inodes > MAX_32_NUM) { 2116 com_err(program_name, 0, 2117 _("too many inodes (%llu), specify < 2^32 inodes"), 2118 num_inodes); 2119 exit(1); 2120 } 2121 /* 2122 * Calculate number of inodes based on the inode ratio 2123 */ 2124 fs_param.s_inodes_count = num_inodes ? num_inodes : 2125 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio; 2126 2127 if ((((unsigned long long)fs_param.s_inodes_count) * 2128 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= 2129 ((ext2fs_blocks_count(&fs_param)) * 2130 EXT2_BLOCK_SIZE(&fs_param))) { 2131 com_err(program_name, 0, _("inode_size (%u) * inodes_count " 2132 "(%u) too big for a\n\t" 2133 "filesystem with %llu blocks, " 2134 "specify higher inode_ratio (-i)\n\t" 2135 "or lower inode count (-N).\n"), 2136 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, 2137 fs_param.s_inodes_count, 2138 (unsigned long long) ext2fs_blocks_count(&fs_param)); 2139 exit(1); 2140 } 2141 2142 /* 2143 * Calculate number of blocks to reserve 2144 */ 2145 ext2fs_r_blocks_count_set(&fs_param, reserved_ratio * 2146 ext2fs_blocks_count(&fs_param) / 100.0); 2147 2148 free(fs_type); 2149 free(usage_types); 2150} 2151 2152static int should_do_undo(const char *name) 2153{ 2154 errcode_t retval; 2155 io_channel channel; 2156 __u16 s_magic; 2157 struct ext2_super_block super; 2158 io_manager manager = unix_io_manager; 2159 int csum_flag, force_undo; 2160 2161 csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 2162 EXT4_FEATURE_RO_COMPAT_GDT_CSUM); 2163 force_undo = get_int_from_profile(fs_types, "force_undo", 0); 2164 if (!force_undo && (!csum_flag || !lazy_itable_init)) 2165 return 0; 2166 2167 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel); 2168 if (retval) { 2169 /* 2170 * We don't handle error cases instead we 2171 * declare that the file system doesn't exist 2172 * and let the rest of mke2fs take care of 2173 * error 2174 */ 2175 retval = 0; 2176 goto open_err_out; 2177 } 2178 2179 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET); 2180 retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super); 2181 if (retval) { 2182 retval = 0; 2183 goto err_out; 2184 } 2185 2186#if defined(WORDS_BIGENDIAN) 2187 s_magic = ext2fs_swab16(super.s_magic); 2188#else 2189 s_magic = super.s_magic; 2190#endif 2191 2192 if (s_magic == EXT2_SUPER_MAGIC) 2193 retval = 1; 2194 2195err_out: 2196 io_channel_close(channel); 2197 2198open_err_out: 2199 2200 return retval; 2201} 2202 2203static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr) 2204{ 2205 errcode_t retval = ENOMEM; 2206 char *tdb_dir = NULL, *tdb_file = NULL; 2207 char *dev_name, *tmp_name; 2208 int free_tdb_dir = 0; 2209 2210 /* 2211 * Configuration via a conf file would be 2212 * nice 2213 */ 2214 tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); 2215 if (!tdb_dir) { 2216 profile_get_string(profile, "defaults", 2217 "undo_dir", 0, "/var/lib/e2fsprogs", 2218 &tdb_dir); 2219 free_tdb_dir = 1; 2220 } 2221 2222 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || 2223 access(tdb_dir, W_OK)) { 2224 if (free_tdb_dir) 2225 free(tdb_dir); 2226 return 0; 2227 } 2228 2229 tmp_name = strdup(name); 2230 if (!tmp_name) 2231 goto errout; 2232 dev_name = basename(tmp_name); 2233 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1); 2234 if (!tdb_file) { 2235 free(tmp_name); 2236 goto errout; 2237 } 2238 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name); 2239 free(tmp_name); 2240 2241 if (!access(tdb_file, F_OK)) { 2242 if (unlink(tdb_file) < 0) { 2243 retval = errno; 2244 goto errout; 2245 } 2246 } 2247 2248 set_undo_io_backing_manager(*io_ptr); 2249 *io_ptr = undo_io_manager; 2250 retval = set_undo_io_backup_file(tdb_file); 2251 if (retval) 2252 goto errout; 2253 printf(_("Overwriting existing filesystem; this can be undone " 2254 "using the command:\n" 2255 " e2undo %s %s\n\n"), tdb_file, name); 2256 2257 if (free_tdb_dir) 2258 free(tdb_dir); 2259 free(tdb_file); 2260 return 0; 2261 2262errout: 2263 if (free_tdb_dir) 2264 free(tdb_dir); 2265 free(tdb_file); 2266 com_err(program_name, retval, "%s", 2267 _("while trying to setup undo file\n")); 2268 return retval; 2269} 2270 2271static int mke2fs_discard_device(ext2_filsys fs) 2272{ 2273 struct ext2fs_numeric_progress_struct progress; 2274 blk64_t blocks = ext2fs_blocks_count(fs->super); 2275 blk64_t count = DISCARD_STEP_MB; 2276 blk64_t cur; 2277 int retval = 0; 2278 2279 /* 2280 * Let's try if discard really works on the device, so 2281 * we do not print numeric progress resulting in failure 2282 * afterwards. 2283 */ 2284 retval = io_channel_discard(fs->io, 0, fs->blocksize); 2285 if (retval) 2286 return retval; 2287 cur = fs->blocksize; 2288 2289 count *= (1024 * 1024); 2290 count /= fs->blocksize; 2291 2292 ext2fs_numeric_progress_init(fs, &progress, 2293 _("Discarding device blocks: "), 2294 blocks); 2295 while (cur < blocks) { 2296 ext2fs_numeric_progress_update(fs, &progress, cur); 2297 2298 if (cur + count > blocks) 2299 count = blocks - cur; 2300 2301 retval = io_channel_discard(fs->io, cur, count); 2302 if (retval) 2303 break; 2304 cur += count; 2305 } 2306 2307 if (retval) { 2308 ext2fs_numeric_progress_close(fs, &progress, 2309 _("failed - ")); 2310 if (!quiet) 2311 printf("%s\n",error_message(retval)); 2312 } else 2313 ext2fs_numeric_progress_close(fs, &progress, 2314 _("done \n")); 2315 2316 return retval; 2317} 2318 2319static void fix_cluster_bg_counts(ext2_filsys fs) 2320{ 2321 blk64_t cluster, num_clusters, tot_free; 2322 unsigned num = 0; 2323 int grp_free, num_free, group; 2324 2325 num_clusters = EXT2FS_B2C(fs, ext2fs_blocks_count(fs->super)); 2326 tot_free = num_free = group = grp_free = 0; 2327 for (cluster = EXT2FS_B2C(fs, fs->super->s_first_data_block); 2328 cluster < num_clusters; cluster++) { 2329 if (!ext2fs_test_block_bitmap2(fs->block_map, 2330 EXT2FS_C2B(fs, cluster))) { 2331 grp_free++; 2332 tot_free++; 2333 } 2334 num++; 2335 if ((num == fs->super->s_clusters_per_group) || 2336 (cluster == num_clusters-1)) { 2337 ext2fs_bg_free_blocks_count_set(fs, group, grp_free); 2338 ext2fs_group_desc_csum_set(fs, group); 2339 num = 0; 2340 grp_free = 0; 2341 group++; 2342 } 2343 } 2344 ext2fs_free_blocks_count_set(fs->super, EXT2FS_C2B(fs, tot_free)); 2345} 2346 2347static int create_quota_inodes(ext2_filsys fs) 2348{ 2349 quota_ctx_t qctx; 2350 2351 quota_init_context(&qctx, fs, -1); 2352 quota_compute_usage(qctx); 2353 quota_write_inode(qctx, quotatype); 2354 quota_release_context(&qctx); 2355 2356 return 0; 2357} 2358 2359int main (int argc, char *argv[]) 2360{ 2361 errcode_t retval = 0; 2362 ext2_filsys fs; 2363 badblocks_list bb_list = 0; 2364 unsigned int journal_blocks; 2365 unsigned int i, checkinterval; 2366 int max_mnt_count; 2367 int val, hash_alg; 2368 int flags; 2369 int old_bitmaps; 2370 io_manager io_ptr; 2371 char tdb_string[40]; 2372 char *hash_alg_str; 2373 int itable_zeroed = 0; 2374 2375#ifdef ENABLE_NLS 2376 setlocale(LC_MESSAGES, ""); 2377 setlocale(LC_CTYPE, ""); 2378 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 2379 textdomain(NLS_CAT_NAME); 2380 set_com_err_gettext(gettext); 2381#endif 2382 PRS(argc, argv); 2383 2384#ifdef CONFIG_TESTIO_DEBUG 2385 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 2386 io_ptr = test_io_manager; 2387 test_io_backing_manager = unix_io_manager; 2388 } else 2389#endif 2390 io_ptr = unix_io_manager; 2391 2392 if (should_do_undo(device_name)) { 2393 retval = mke2fs_setup_tdb(device_name, &io_ptr); 2394 if (retval) 2395 exit(1); 2396 } 2397 2398 /* 2399 * Initialize the superblock.... 2400 */ 2401 flags = EXT2_FLAG_EXCLUSIVE; 2402 if (direct_io) 2403 flags |= EXT2_FLAG_DIRECT_IO; 2404 profile_get_boolean(profile, "options", "old_bitmaps", 0, 0, 2405 &old_bitmaps); 2406 if (!old_bitmaps) 2407 flags |= EXT2_FLAG_64BITS; 2408 /* 2409 * By default, we print how many inode tables or block groups 2410 * or whatever we've written so far. The quiet flag disables 2411 * this, along with a lot of other output. 2412 */ 2413 if (!quiet) 2414 flags |= EXT2_FLAG_PRINT_PROGRESS; 2415 retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs); 2416 if (retval) { 2417 com_err(device_name, retval, "%s", 2418 _("while setting up superblock")); 2419 exit(1); 2420 } 2421 2422 /* Calculate journal blocks */ 2423 if (!journal_device && ((journal_size) || 2424 (fs_param.s_feature_compat & 2425 EXT3_FEATURE_COMPAT_HAS_JOURNAL))) 2426 journal_blocks = figure_journal_size(journal_size, fs); 2427 2428 /* Can't undo discard ... */ 2429 if (!noaction && discard && (io_ptr != undo_io_manager)) { 2430 retval = mke2fs_discard_device(fs); 2431 if (!retval && io_channel_discard_zeroes_data(fs->io)) { 2432 if (verbose) 2433 printf("%s", 2434 _("Discard succeeded and will return " 2435 "0s - skipping inode table wipe\n")); 2436 lazy_itable_init = 1; 2437 itable_zeroed = 1; 2438 } 2439 } 2440 2441 sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? 2442 32768 : fs->blocksize * 8); 2443 io_channel_set_options(fs->io, tdb_string); 2444 2445 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) 2446 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; 2447 2448 if ((fs_param.s_feature_incompat & 2449 (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) || 2450 (fs_param.s_feature_ro_compat & 2451 (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM| 2452 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 2453 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE))) 2454 fs->super->s_kbytes_written = 1; 2455 2456 /* 2457 * Wipe out the old on-disk superblock 2458 */ 2459 if (!noaction) 2460 zap_sector(fs, 2, 6); 2461 2462 /* 2463 * Parse or generate a UUID for the filesystem 2464 */ 2465 if (fs_uuid) { 2466 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) { 2467 com_err(device_name, 0, "could not parse UUID: %s\n", 2468 fs_uuid); 2469 exit(1); 2470 } 2471 } else 2472 uuid_generate(fs->super->s_uuid); 2473 2474 /* 2475 * Initialize the directory index variables 2476 */ 2477 hash_alg_str = get_string_from_profile(fs_types, "hash_alg", 2478 "half_md4"); 2479 hash_alg = e2p_string2hash(hash_alg_str); 2480 free(hash_alg_str); 2481 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg : 2482 EXT2_HASH_HALF_MD4; 2483 uuid_generate((unsigned char *) fs->super->s_hash_seed); 2484 2485 /* 2486 * Periodic checks can be enabled/disabled via config file. 2487 * Note we override the kernel include file's idea of what the default 2488 * check interval (never) should be. It's a good idea to check at 2489 * least *occasionally*, specially since servers will never rarely get 2490 * to reboot, since Linux is so robust these days. :-) 2491 * 2492 * 180 days (six months) seems like a good value. 2493 */ 2494#ifdef EXT2_DFL_CHECKINTERVAL 2495#undef EXT2_DFL_CHECKINTERVAL 2496#endif 2497#define EXT2_DFL_CHECKINTERVAL (86400L * 180L) 2498 2499 if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) { 2500 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL; 2501 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT; 2502 /* 2503 * Add "jitter" to the superblock's check interval so that we 2504 * don't check all the filesystems at the same time. We use a 2505 * kludgy hack of using the UUID to derive a random jitter value 2506 */ 2507 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) 2508 val += fs->super->s_uuid[i]; 2509 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; 2510 } else 2511 fs->super->s_max_mnt_count = -1; 2512 2513 /* 2514 * Override the creator OS, if applicable 2515 */ 2516 if (creator_os && !set_os(fs->super, creator_os)) { 2517 com_err (program_name, 0, _("unknown os - %s"), creator_os); 2518 exit(1); 2519 } 2520 2521 /* 2522 * For the Hurd, we will turn off filetype since it doesn't 2523 * support it. 2524 */ 2525 if (fs->super->s_creator_os == EXT2_OS_HURD) 2526 fs->super->s_feature_incompat &= 2527 ~EXT2_FEATURE_INCOMPAT_FILETYPE; 2528 2529 /* 2530 * Set the volume label... 2531 */ 2532 if (volume_label) { 2533 memset(fs->super->s_volume_name, 0, 2534 sizeof(fs->super->s_volume_name)); 2535 strncpy(fs->super->s_volume_name, volume_label, 2536 sizeof(fs->super->s_volume_name)); 2537 } 2538 2539 /* 2540 * Set the last mount directory 2541 */ 2542 if (mount_dir) { 2543 memset(fs->super->s_last_mounted, 0, 2544 sizeof(fs->super->s_last_mounted)); 2545 strncpy(fs->super->s_last_mounted, mount_dir, 2546 sizeof(fs->super->s_last_mounted)); 2547 } 2548 2549 if (!quiet || noaction) 2550 show_stats(fs); 2551 2552 if (noaction) 2553 exit(0); 2554 2555 if (fs->super->s_feature_incompat & 2556 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { 2557 create_journal_dev(fs); 2558 exit(ext2fs_close(fs) ? 1 : 0); 2559 } 2560 2561 if (bad_blocks_filename) 2562 read_bb_file(fs, &bb_list, bad_blocks_filename); 2563 if (cflag) 2564 test_disk(fs, &bb_list); 2565 2566 handle_bad_blocks(fs, bb_list); 2567 fs->stride = fs_stride = fs->super->s_raid_stride; 2568 if (!quiet) 2569 printf("%s", _("Allocating group tables: ")); 2570 retval = ext2fs_allocate_tables(fs); 2571 if (retval) { 2572 com_err(program_name, retval, "%s", 2573 _("while trying to allocate filesystem tables")); 2574 exit(1); 2575 } 2576 if (!quiet) 2577 printf("%s", _("done \n")); 2578 2579 retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map); 2580 if (retval) { 2581 com_err(program_name, retval, "%s", 2582 _("\n\twhile converting subcluster bitmap")); 2583 exit(1); 2584 } 2585 2586 if (super_only) { 2587 fs->super->s_state |= EXT2_ERROR_FS; 2588 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); 2589 /* 2590 * The command "mke2fs -S" is used to recover 2591 * corrupted file systems, so do not mark any of the 2592 * inodes as unused; we want e2fsck to consider all 2593 * inodes as potentially containing recoverable data. 2594 */ 2595 if (fs->super->s_feature_ro_compat & 2596 EXT4_FEATURE_RO_COMPAT_GDT_CSUM) { 2597 for (i = 0; i < fs->group_desc_count; i++) 2598 ext2fs_bg_itable_unused_set(fs, i, 0); 2599 } 2600 } else { 2601 /* rsv must be a power of two (64kB is MD RAID sb alignment) */ 2602 blk64_t rsv = 65536 / fs->blocksize; 2603 blk64_t blocks = ext2fs_blocks_count(fs->super); 2604 blk64_t start; 2605 blk64_t ret_blk; 2606 2607#ifdef ZAP_BOOTBLOCK 2608 zap_sector(fs, 0, 2); 2609#endif 2610 2611 /* 2612 * Wipe out any old MD RAID (or other) metadata at the end 2613 * of the device. This will also verify that the device is 2614 * as large as we think. Be careful with very small devices. 2615 */ 2616 start = (blocks & ~(rsv - 1)); 2617 if (start > rsv) 2618 start -= rsv; 2619 if (start > 0) 2620 retval = ext2fs_zero_blocks2(fs, start, blocks - start, 2621 &ret_blk, NULL); 2622 2623 if (retval) { 2624 com_err(program_name, retval, 2625 _("while zeroing block %llu at end of filesystem"), 2626 ret_blk); 2627 } 2628 write_inode_tables(fs, lazy_itable_init, itable_zeroed); 2629 create_root_dir(fs); 2630 create_lost_and_found(fs); 2631 reserve_inodes(fs); 2632 create_bad_block_inode(fs, bb_list); 2633 if (fs->super->s_feature_compat & 2634 EXT2_FEATURE_COMPAT_RESIZE_INODE) { 2635 retval = ext2fs_create_resize_inode(fs); 2636 if (retval) { 2637 com_err("ext2fs_create_resize_inode", retval, 2638 "%s", 2639 _("while reserving blocks for online resize")); 2640 exit(1); 2641 } 2642 } 2643 } 2644 2645 if (journal_device) { 2646 ext2_filsys jfs; 2647 2648 if (!force) 2649 check_plausibility(journal_device); 2650 check_mount(journal_device, force, _("journal")); 2651 2652 retval = ext2fs_open(journal_device, EXT2_FLAG_RW| 2653 EXT2_FLAG_JOURNAL_DEV_OK, 0, 2654 fs->blocksize, unix_io_manager, &jfs); 2655 if (retval) { 2656 com_err(program_name, retval, 2657 _("while trying to open journal device %s\n"), 2658 journal_device); 2659 exit(1); 2660 } 2661 if (!quiet) { 2662 printf(_("Adding journal to device %s: "), 2663 journal_device); 2664 fflush(stdout); 2665 } 2666 retval = ext2fs_add_journal_device(fs, jfs); 2667 if(retval) { 2668 com_err (program_name, retval, 2669 _("\n\twhile trying to add journal to device %s"), 2670 journal_device); 2671 exit(1); 2672 } 2673 if (!quiet) 2674 printf("%s", _("done\n")); 2675 ext2fs_close(jfs); 2676 free(journal_device); 2677 } else if ((journal_size) || 2678 (fs_param.s_feature_compat & 2679 EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { 2680 if (super_only) { 2681 printf("%s", _("Skipping journal creation in super-only mode\n")); 2682 fs->super->s_journal_inum = EXT2_JOURNAL_INO; 2683 goto no_journal; 2684 } 2685 2686 if (!journal_blocks) { 2687 fs->super->s_feature_compat &= 2688 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; 2689 goto no_journal; 2690 } 2691 if (!quiet) { 2692 printf(_("Creating journal (%u blocks): "), 2693 journal_blocks); 2694 fflush(stdout); 2695 } 2696 retval = ext2fs_add_journal_inode(fs, journal_blocks, 2697 journal_flags); 2698 if (retval) { 2699 com_err(program_name, retval, "%s", 2700 _("\n\twhile trying to create journal")); 2701 exit(1); 2702 } 2703 if (!quiet) 2704 printf("%s", _("done\n")); 2705 } 2706no_journal: 2707 if (!super_only && 2708 fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) { 2709 retval = ext2fs_mmp_init(fs); 2710 if (retval) { 2711 fprintf(stderr, "%s", 2712 _("\nError while enabling multiple " 2713 "mount protection feature.")); 2714 exit(1); 2715 } 2716 if (!quiet) 2717 printf(_("Multiple mount protection is enabled " 2718 "with update interval %d seconds.\n"), 2719 fs->super->s_mmp_update_interval); 2720 } 2721 2722 if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 2723 EXT4_FEATURE_RO_COMPAT_BIGALLOC)) 2724 fix_cluster_bg_counts(fs); 2725 if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, 2726 EXT4_FEATURE_RO_COMPAT_QUOTA)) 2727 create_quota_inodes(fs); 2728 2729 if (!quiet) 2730 printf("%s", _("Writing superblocks and " 2731 "filesystem accounting information: ")); 2732 checkinterval = fs->super->s_checkinterval; 2733 max_mnt_count = fs->super->s_max_mnt_count; 2734 retval = ext2fs_close(fs); 2735 if (retval) { 2736 fprintf(stderr, "%s", 2737 _("\nWarning, had trouble writing out superblocks.")); 2738 } else if (!quiet) { 2739 printf("%s", _("done\n\n")); 2740 if (!getenv("MKE2FS_SKIP_CHECK_MSG")) 2741 print_check_message(max_mnt_count, checkinterval); 2742 } 2743 2744 remove_error_table(&et_ext2_error_table); 2745 remove_error_table(&et_prof_error_table); 2746 profile_release(profile); 2747 for (i=0; fs_types[i]; i++) 2748 free(fs_types[i]); 2749 free(fs_types); 2750 return retval; 2751} 2752