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 20 21 #include "config.h" 22 #include <stdio.h> 23 #include <string.h> 24 #include <strings.h> 25 #include <ctype.h> 26 #include <time.h> 27 #ifdef __linux__ 28 #include <sys/utsname.h> 29 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) 30 #endif 31 #ifdef HAVE_GETOPT_H 32 #include <getopt.h> 33 #else 34 extern char *optarg; 35 extern 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 #ifdef HAVE_SYS_IOCTL_H 47 #include <sys/ioctl.h> 48 #endif 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 "uuid/uuid.h" 56 #include "util.h" 57 #include "support/nls-enable.h" 58 #include "support/plausible.h" 59 #include "support/profile.h" 60 #include "support/prof_err.h" 61 #include "../version.h" 62 #include "support/quotaio.h" 63 #include "mke2fs.h" 64 #include "create_inode.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 76 extern int isatty(int); 77 extern FILE *fpopen(const char *cmd, const char *mode); 78 79 const char * program_name = "mke2fs"; 80 static const char * device_name /* = NULL */; 81 82 /* Command line options */ 83 static int cflag; 84 int verbose; 85 int quiet; 86 static int super_only; 87 static int discard = 1; /* attempt to discard device before fs creation */ 88 static int direct_io; 89 static int force; 90 static int noaction; 91 static int num_backups = 2; /* number of backup bg's for sparse_super2 */ 92 static uid_t root_uid; 93 static gid_t root_gid; 94 int journal_size; 95 int journal_flags; 96 static int lazy_itable_init; 97 static int packed_meta_blocks; 98 int no_copy_xattrs; 99 static char *bad_blocks_filename = NULL; 100 static __u32 fs_stride; 101 /* Initialize usr/grp quotas by default */ 102 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT); 103 static __u64 offset; 104 static blk64_t journal_location = ~0LL; 105 static int proceed_delay = -1; 106 static blk64_t dev_size; 107 108 static struct ext2_super_block fs_param; 109 static __u32 zero_buf[4]; 110 static char *fs_uuid = NULL; 111 static char *creator_os; 112 static char *volume_label; 113 static char *mount_dir; 114 char *journal_device; 115 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ 116 char **fs_types; 117 const char *src_root_dir; /* Copy files from the specified directory */ 118 static char *undo_file; 119 120 static int android_sparse_file; /* -E android_sparse */ 121 122 static profile_t profile; 123 124 static int sys_page_size = 4096; 125 126 static int errors_behavior = 0; 127 128 static void usage(void) 129 { 130 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " 131 "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] " 132 "[-J journal-options]\n" 133 "\t[-G flex-group-size] [-N number-of-inodes] " 134 "[-d root-directory]\n" 135 "\t[-m reserved-blocks-percentage] [-o creator-os]\n" 136 "\t[-g blocks-per-group] [-L volume-label] " 137 "[-M last-mounted-directory]\n\t[-O feature[,...]] " 138 "[-r fs-revision] [-E extended-option[,...]]\n" 139 "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]" 140 "[-z undo_file]\n" 141 "\t[-jnqvDFSV] device [blocks-count]\n"), 142 program_name); 143 exit(1); 144 } 145 146 static int int_log2(unsigned long long arg) 147 { 148 int l = 0; 149 150 arg >>= 1; 151 while (arg) { 152 l++; 153 arg >>= 1; 154 } 155 return l; 156 } 157 158 int int_log10(unsigned long long arg) 159 { 160 int l; 161 162 for (l=0; arg ; l++) 163 arg = arg / 10; 164 return l; 165 } 166 167 #ifdef __linux__ 168 static int parse_version_number(const char *s) 169 { 170 int major, minor, rev; 171 char *endptr; 172 const char *cp = s; 173 174 if (!s) 175 return 0; 176 major = strtol(cp, &endptr, 10); 177 if (cp == endptr || *endptr != '.') 178 return 0; 179 cp = endptr + 1; 180 minor = strtol(cp, &endptr, 10); 181 if (cp == endptr || *endptr != '.') 182 return 0; 183 cp = endptr + 1; 184 rev = strtol(cp, &endptr, 10); 185 if (cp == endptr) 186 return 0; 187 return KERNEL_VERSION(major, minor, rev); 188 } 189 190 static int is_before_linux_ver(unsigned int major, unsigned int minor, 191 unsigned int rev) 192 { 193 struct utsname ut; 194 static int linux_version_code = -1; 195 196 if (uname(&ut)) { 197 perror("uname"); 198 exit(1); 199 } 200 if (linux_version_code < 0) 201 linux_version_code = parse_version_number(ut.release); 202 if (linux_version_code == 0) 203 return 0; 204 205 return linux_version_code < (int) KERNEL_VERSION(major, minor, rev); 206 } 207 #else 208 static int is_before_linux_ver(unsigned int major, unsigned int minor, 209 unsigned int rev) 210 { 211 return 0; 212 } 213 #endif 214 215 /* 216 * Helper function for read_bb_file and test_disk 217 */ 218 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) 219 { 220 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); 221 return; 222 } 223 224 /* 225 * Reads the bad blocks list from a file 226 */ 227 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, 228 const char *bad_blocks_file) 229 { 230 FILE *f; 231 errcode_t retval; 232 233 f = fopen(bad_blocks_file, "r"); 234 if (!f) { 235 com_err("read_bad_blocks_file", errno, 236 _("while trying to open %s"), bad_blocks_file); 237 exit(1); 238 } 239 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 240 fclose (f); 241 if (retval) { 242 com_err("ext2fs_read_bb_FILE", retval, "%s", 243 _("while reading in list of bad blocks from file")); 244 exit(1); 245 } 246 } 247 248 /* 249 * Runs the badblocks program to test the disk 250 */ 251 static void test_disk(ext2_filsys fs, badblocks_list *bb_list) 252 { 253 FILE *f; 254 errcode_t retval; 255 char buf[1024]; 256 257 sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize, 258 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", 259 fs->device_name, ext2fs_blocks_count(fs->super)-1); 260 if (verbose) 261 printf(_("Running command: %s\n"), buf); 262 f = popen(buf, "r"); 263 if (!f) { 264 com_err("popen", errno, 265 _("while trying to run '%s'"), buf); 266 exit(1); 267 } 268 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); 269 pclose(f); 270 if (retval) { 271 com_err("ext2fs_read_bb_FILE", retval, "%s", 272 _("while processing list of bad blocks from program")); 273 exit(1); 274 } 275 } 276 277 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) 278 { 279 dgrp_t i; 280 blk_t j; 281 unsigned must_be_good; 282 blk_t blk; 283 badblocks_iterate bb_iter; 284 errcode_t retval; 285 blk_t group_block; 286 int group; 287 int group_bad; 288 289 if (!bb_list) 290 return; 291 292 /* 293 * The primary superblock and group descriptors *must* be 294 * good; if not, abort. 295 */ 296 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; 297 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { 298 if (ext2fs_badblocks_list_test(bb_list, i)) { 299 fprintf(stderr, _("Block %d in primary " 300 "superblock/group descriptor area bad.\n"), i); 301 fprintf(stderr, _("Blocks %u through %u must be good " 302 "in order to build a filesystem.\n"), 303 fs->super->s_first_data_block, must_be_good); 304 fputs(_("Aborting....\n"), stderr); 305 exit(1); 306 } 307 } 308 309 /* 310 * See if any of the bad blocks are showing up in the backup 311 * superblocks and/or group descriptors. If so, issue a 312 * warning and adjust the block counts appropriately. 313 */ 314 group_block = fs->super->s_first_data_block + 315 fs->super->s_blocks_per_group; 316 317 for (i = 1; i < fs->group_desc_count; i++) { 318 group_bad = 0; 319 for (j=0; j < fs->desc_blocks+1; j++) { 320 if (ext2fs_badblocks_list_test(bb_list, 321 group_block + j)) { 322 if (!group_bad) 323 fprintf(stderr, 324 _("Warning: the backup superblock/group descriptors at block %u contain\n" 325 " bad blocks.\n\n"), 326 group_block); 327 group_bad++; 328 group = ext2fs_group_of_blk2(fs, group_block+j); 329 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1); 330 ext2fs_group_desc_csum_set(fs, group); 331 ext2fs_free_blocks_count_add(fs->super, 1); 332 } 333 } 334 group_block += fs->super->s_blocks_per_group; 335 } 336 337 /* 338 * Mark all the bad blocks as used... 339 */ 340 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); 341 if (retval) { 342 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s", 343 _("while marking bad blocks as used")); 344 exit(1); 345 } 346 while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) 347 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk)); 348 ext2fs_badblocks_list_iterate_end(bb_iter); 349 } 350 351 static void write_reserved_inodes(ext2_filsys fs) 352 { 353 errcode_t retval; 354 ext2_ino_t ino; 355 struct ext2_inode *inode; 356 357 retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode); 358 if (retval) { 359 com_err("inode_init", retval, _("while allocating memory")); 360 exit(1); 361 } 362 363 for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++) { 364 retval = ext2fs_write_inode_full(fs, ino, inode, 365 EXT2_INODE_SIZE(fs->super)); 366 if (retval) { 367 com_err("ext2fs_write_inode_full", retval, 368 _("while writing reserved inodes")); 369 exit(1); 370 } 371 } 372 373 ext2fs_free_mem(&inode); 374 } 375 376 static errcode_t packed_allocate_tables(ext2_filsys fs) 377 { 378 errcode_t retval; 379 dgrp_t i; 380 blk64_t goal = 0; 381 382 for (i = 0; i < fs->group_desc_count; i++) { 383 retval = ext2fs_new_block2(fs, goal, NULL, &goal); 384 if (retval) 385 return retval; 386 ext2fs_block_alloc_stats2(fs, goal, +1); 387 ext2fs_block_bitmap_loc_set(fs, i, goal); 388 } 389 for (i = 0; i < fs->group_desc_count; i++) { 390 retval = ext2fs_new_block2(fs, goal, NULL, &goal); 391 if (retval) 392 return retval; 393 ext2fs_block_alloc_stats2(fs, goal, +1); 394 ext2fs_inode_bitmap_loc_set(fs, i, goal); 395 } 396 for (i = 0; i < fs->group_desc_count; i++) { 397 blk64_t end = ext2fs_blocks_count(fs->super) - 1; 398 retval = ext2fs_get_free_blocks2(fs, goal, end, 399 fs->inode_blocks_per_group, 400 fs->block_map, &goal); 401 if (retval) 402 return retval; 403 ext2fs_block_alloc_stats_range(fs, goal, 404 fs->inode_blocks_per_group, +1); 405 ext2fs_inode_table_loc_set(fs, i, goal); 406 ext2fs_group_desc_csum_set(fs, i); 407 } 408 return 0; 409 } 410 411 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed) 412 { 413 errcode_t retval; 414 blk64_t blk; 415 dgrp_t i; 416 int num; 417 struct ext2fs_numeric_progress_struct progress; 418 419 ext2fs_numeric_progress_init(fs, &progress, 420 _("Writing inode tables: "), 421 fs->group_desc_count); 422 423 for (i = 0; i < fs->group_desc_count; i++) { 424 ext2fs_numeric_progress_update(fs, &progress, i); 425 426 blk = ext2fs_inode_table_loc(fs, i); 427 num = fs->inode_blocks_per_group; 428 429 if (lazy_flag) 430 num = ext2fs_div_ceil((fs->super->s_inodes_per_group - 431 ext2fs_bg_itable_unused(fs, i)) * 432 EXT2_INODE_SIZE(fs->super), 433 EXT2_BLOCK_SIZE(fs->super)); 434 if (!lazy_flag || itable_zeroed) { 435 /* The kernel doesn't need to zero the itable blocks */ 436 ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED); 437 ext2fs_group_desc_csum_set(fs, i); 438 } 439 if (!itable_zeroed) { 440 retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num); 441 if (retval) { 442 fprintf(stderr, _("\nCould not write %d " 443 "blocks in inode table starting at %llu: %s\n"), 444 num, blk, error_message(retval)); 445 exit(1); 446 } 447 } 448 if (sync_kludge) { 449 if (sync_kludge == 1) 450 io_channel_flush(fs->io); 451 else if ((i % sync_kludge) == 0) 452 io_channel_flush(fs->io); 453 } 454 } 455 ext2fs_numeric_progress_close(fs, &progress, 456 _("done \n")); 457 458 /* Reserved inodes must always have correct checksums */ 459 if (ext2fs_has_feature_metadata_csum(fs->super)) 460 write_reserved_inodes(fs); 461 } 462 463 static void create_root_dir(ext2_filsys fs) 464 { 465 errcode_t retval; 466 struct ext2_inode inode; 467 468 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); 469 if (retval) { 470 com_err("ext2fs_mkdir", retval, "%s", 471 _("while creating root dir")); 472 exit(1); 473 } 474 if (root_uid != 0 || root_gid != 0) { 475 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); 476 if (retval) { 477 com_err("ext2fs_read_inode", retval, "%s", 478 _("while reading root inode")); 479 exit(1); 480 } 481 482 inode.i_uid = root_uid; 483 ext2fs_set_i_uid_high(inode, root_uid >> 16); 484 inode.i_gid = root_gid; 485 ext2fs_set_i_gid_high(inode, root_gid >> 16); 486 487 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); 488 if (retval) { 489 com_err("ext2fs_write_inode", retval, "%s", 490 _("while setting root inode ownership")); 491 exit(1); 492 } 493 } 494 } 495 496 static void create_lost_and_found(ext2_filsys fs) 497 { 498 unsigned int lpf_size = 0; 499 errcode_t retval; 500 ext2_ino_t ino; 501 const char *name = "lost+found"; 502 int i; 503 504 fs->umask = 077; 505 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); 506 if (retval) { 507 com_err("ext2fs_mkdir", retval, "%s", 508 _("while creating /lost+found")); 509 exit(1); 510 } 511 512 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); 513 if (retval) { 514 com_err("ext2_lookup", retval, "%s", 515 _("while looking up /lost+found")); 516 exit(1); 517 } 518 519 for (i=1; i < EXT2_NDIR_BLOCKS; i++) { 520 /* Ensure that lost+found is at least 2 blocks, so we always 521 * test large empty blocks for big-block filesystems. */ 522 if ((lpf_size += fs->blocksize) >= 16*1024 && 523 lpf_size >= 2 * fs->blocksize) 524 break; 525 retval = ext2fs_expand_dir(fs, ino); 526 if (retval) { 527 com_err("ext2fs_expand_dir", retval, "%s", 528 _("while expanding /lost+found")); 529 exit(1); 530 } 531 } 532 } 533 534 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) 535 { 536 errcode_t retval; 537 538 ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO); 539 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); 540 retval = ext2fs_update_bb_inode(fs, bb_list); 541 if (retval) { 542 com_err("ext2fs_update_bb_inode", retval, "%s", 543 _("while setting bad block inode")); 544 exit(1); 545 } 546 547 } 548 549 static void reserve_inodes(ext2_filsys fs) 550 { 551 ext2_ino_t i; 552 553 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) 554 ext2fs_inode_alloc_stats2(fs, i, +1, 0); 555 ext2fs_mark_ib_dirty(fs); 556 } 557 558 #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ 559 #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ 560 #define BSD_LABEL_OFFSET 64 561 562 static void zap_sector(ext2_filsys fs, int sect, int nsect) 563 { 564 char *buf; 565 int retval; 566 unsigned int *magic; 567 568 buf = calloc(512, nsect); 569 if (!buf) { 570 printf(_("Out of memory erasing sectors %d-%d\n"), 571 sect, sect + nsect - 1); 572 exit(1); 573 } 574 575 if (sect == 0) { 576 /* Check for a BSD disklabel, and don't erase it if so */ 577 retval = io_channel_read_blk64(fs->io, 0, -512, buf); 578 if (retval) 579 fprintf(stderr, 580 _("Warning: could not read block 0: %s\n"), 581 error_message(retval)); 582 else { 583 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); 584 if ((*magic == BSD_DISKMAGIC) || 585 (*magic == BSD_MAGICDISK)) 586 return; 587 } 588 } 589 590 memset(buf, 0, 512*nsect); 591 io_channel_set_blksize(fs->io, 512); 592 retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf); 593 io_channel_set_blksize(fs->io, fs->blocksize); 594 free(buf); 595 if (retval) 596 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), 597 sect, error_message(retval)); 598 } 599 600 static void create_journal_dev(ext2_filsys fs) 601 { 602 struct ext2fs_numeric_progress_struct progress; 603 errcode_t retval; 604 char *buf; 605 blk64_t blk, err_blk; 606 int c, count, err_count; 607 608 retval = ext2fs_create_journal_superblock(fs, 609 ext2fs_blocks_count(fs->super), 0, &buf); 610 if (retval) { 611 com_err("create_journal_dev", retval, "%s", 612 _("while initializing journal superblock")); 613 exit(1); 614 } 615 616 if (journal_flags & EXT2_MKJOURNAL_LAZYINIT) 617 goto write_superblock; 618 619 ext2fs_numeric_progress_init(fs, &progress, 620 _("Zeroing journal device: "), 621 ext2fs_blocks_count(fs->super)); 622 blk = 0; 623 count = ext2fs_blocks_count(fs->super); 624 while (count > 0) { 625 if (count > 1024) 626 c = 1024; 627 else 628 c = count; 629 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count); 630 if (retval) { 631 com_err("create_journal_dev", retval, 632 _("while zeroing journal device " 633 "(block %llu, count %d)"), 634 err_blk, err_count); 635 exit(1); 636 } 637 blk += c; 638 count -= c; 639 ext2fs_numeric_progress_update(fs, &progress, blk); 640 } 641 642 ext2fs_numeric_progress_close(fs, &progress, NULL); 643 write_superblock: 644 retval = io_channel_write_blk64(fs->io, 645 fs->super->s_first_data_block+1, 646 1, buf); 647 (void) ext2fs_free_mem(&buf); 648 if (retval) { 649 com_err("create_journal_dev", retval, "%s", 650 _("while writing journal superblock")); 651 exit(1); 652 } 653 } 654 655 static void show_stats(ext2_filsys fs) 656 { 657 struct ext2_super_block *s = fs->super; 658 char buf[80]; 659 char *os; 660 blk64_t group_block; 661 dgrp_t i; 662 int need, col_left; 663 664 if (!verbose) { 665 printf(_("Creating filesystem with %llu %dk blocks and " 666 "%u inodes\n"), 667 ext2fs_blocks_count(s), fs->blocksize >> 10, 668 s->s_inodes_count); 669 goto skip_details; 670 } 671 672 if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s)) 673 fprintf(stderr, _("warning: %llu blocks unused.\n\n"), 674 ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s)); 675 676 memset(buf, 0, sizeof(buf)); 677 strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); 678 printf(_("Filesystem label=%s\n"), buf); 679 os = e2p_os2string(fs->super->s_creator_os); 680 if (os) 681 printf(_("OS type: %s\n"), os); 682 free(os); 683 printf(_("Block size=%u (log=%u)\n"), fs->blocksize, 684 s->s_log_block_size); 685 if (ext2fs_has_feature_bigalloc(fs->super)) 686 printf(_("Cluster size=%u (log=%u)\n"), 687 fs->blocksize << fs->cluster_ratio_bits, 688 s->s_log_cluster_size); 689 else 690 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s), 691 s->s_log_cluster_size); 692 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"), 693 s->s_raid_stride, s->s_raid_stripe_width); 694 printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count, 695 ext2fs_blocks_count(s)); 696 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"), 697 ext2fs_r_blocks_count(s), 698 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s)); 699 printf(_("First data block=%u\n"), s->s_first_data_block); 700 if (root_uid != 0 || root_gid != 0) 701 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid); 702 if (s->s_reserved_gdt_blocks) 703 printf(_("Maximum filesystem blocks=%lu\n"), 704 (s->s_reserved_gdt_blocks + fs->desc_blocks) * 705 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); 706 if (fs->group_desc_count > 1) 707 printf(_("%u block groups\n"), fs->group_desc_count); 708 else 709 printf(_("%u block group\n"), fs->group_desc_count); 710 if (ext2fs_has_feature_bigalloc(fs->super)) 711 printf(_("%u blocks per group, %u clusters per group\n"), 712 s->s_blocks_per_group, s->s_clusters_per_group); 713 else 714 printf(_("%u blocks per group, %u fragments per group\n"), 715 s->s_blocks_per_group, s->s_clusters_per_group); 716 printf(_("%u inodes per group\n"), s->s_inodes_per_group); 717 718 skip_details: 719 if (fs->group_desc_count == 1) { 720 printf("\n"); 721 return; 722 } 723 724 if (!e2p_is_null_uuid(s->s_uuid)) 725 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid)); 726 printf("%s", _("Superblock backups stored on blocks: ")); 727 group_block = s->s_first_data_block; 728 col_left = 0; 729 for (i = 1; i < fs->group_desc_count; i++) { 730 group_block += s->s_blocks_per_group; 731 if (!ext2fs_bg_has_super(fs, i)) 732 continue; 733 if (i != 1) 734 printf(", "); 735 need = int_log10(group_block) + 2; 736 if (need > col_left) { 737 printf("\n\t"); 738 col_left = 72; 739 } 740 col_left -= need; 741 printf("%llu", group_block); 742 } 743 printf("\n\n"); 744 } 745 746 /* 747 * Returns true if making a file system for the Hurd, else 0 748 */ 749 static int for_hurd(const char *os) 750 { 751 if (!os) { 752 #ifdef __GNU__ 753 return 1; 754 #else 755 return 0; 756 #endif 757 } 758 if (isdigit(*os)) 759 return (atoi(os) == EXT2_OS_HURD); 760 return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0); 761 } 762 763 /* 764 * Set the S_CREATOR_OS field. Return true if OS is known, 765 * otherwise, 0. 766 */ 767 static int set_os(struct ext2_super_block *sb, char *os) 768 { 769 if (isdigit (*os)) 770 sb->s_creator_os = atoi (os); 771 else if (strcasecmp(os, "linux") == 0) 772 sb->s_creator_os = EXT2_OS_LINUX; 773 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) 774 sb->s_creator_os = EXT2_OS_HURD; 775 else if (strcasecmp(os, "freebsd") == 0) 776 sb->s_creator_os = EXT2_OS_FREEBSD; 777 else if (strcasecmp(os, "lites") == 0) 778 sb->s_creator_os = EXT2_OS_LITES; 779 else 780 return 0; 781 return 1; 782 } 783 784 #define PATH_SET "PATH=/sbin" 785 786 static void parse_extended_opts(struct ext2_super_block *param, 787 const char *opts) 788 { 789 char *buf, *token, *next, *p, *arg, *badopt = 0; 790 int len; 791 int r_usage = 0; 792 int ret; 793 794 len = strlen(opts); 795 buf = malloc(len+1); 796 if (!buf) { 797 fprintf(stderr, "%s", 798 _("Couldn't allocate memory to parse options!\n")); 799 exit(1); 800 } 801 strcpy(buf, opts); 802 for (token = buf; token && *token; token = next) { 803 p = strchr(token, ','); 804 next = 0; 805 if (p) { 806 *p = 0; 807 next = p+1; 808 } 809 arg = strchr(token, '='); 810 if (arg) { 811 *arg = 0; 812 arg++; 813 } 814 if (strcmp(token, "desc-size") == 0 || 815 strcmp(token, "desc_size") == 0) { 816 int desc_size; 817 818 if (!ext2fs_has_feature_64bit(&fs_param)) { 819 fprintf(stderr, 820 _("%s requires '-O 64bit'\n"), token); 821 r_usage++; 822 continue; 823 } 824 if (param->s_reserved_gdt_blocks != 0) { 825 fprintf(stderr, 826 _("'%s' must be before 'resize=%u'\n"), 827 token, param->s_reserved_gdt_blocks); 828 r_usage++; 829 continue; 830 } 831 if (!arg) { 832 r_usage++; 833 badopt = token; 834 continue; 835 } 836 desc_size = strtoul(arg, &p, 0); 837 if (*p || (desc_size & (desc_size - 1))) { 838 fprintf(stderr, 839 _("Invalid desc_size: '%s'\n"), arg); 840 r_usage++; 841 continue; 842 } 843 param->s_desc_size = desc_size; 844 } else if (strcmp(token, "hash_seed") == 0) { 845 if (!arg) { 846 r_usage++; 847 badopt = token; 848 continue; 849 } 850 if (uuid_parse(arg, 851 (unsigned char *)param->s_hash_seed) != 0) { 852 fprintf(stderr, 853 _("Invalid hash seed: %s\n"), arg); 854 r_usage++; 855 continue; 856 } 857 } else if (strcmp(token, "offset") == 0) { 858 if (!arg) { 859 r_usage++; 860 badopt = token; 861 continue; 862 } 863 offset = strtoull(arg, &p, 0); 864 if (*p) { 865 fprintf(stderr, _("Invalid offset: %s\n"), 866 arg); 867 r_usage++; 868 continue; 869 } 870 } else if (strcmp(token, "mmp_update_interval") == 0) { 871 if (!arg) { 872 r_usage++; 873 badopt = token; 874 continue; 875 } 876 param->s_mmp_update_interval = strtoul(arg, &p, 0); 877 if (*p) { 878 fprintf(stderr, 879 _("Invalid mmp_update_interval: %s\n"), 880 arg); 881 r_usage++; 882 continue; 883 } 884 } else if (strcmp(token, "no_copy_xattrs") == 0) { 885 no_copy_xattrs = 1; 886 continue; 887 } else if (strcmp(token, "num_backup_sb") == 0) { 888 if (!arg) { 889 r_usage++; 890 badopt = token; 891 continue; 892 } 893 num_backups = strtoul(arg, &p, 0); 894 if (*p || num_backups > 2) { 895 fprintf(stderr, 896 _("Invalid # of backup " 897 "superblocks: %s\n"), 898 arg); 899 r_usage++; 900 continue; 901 } 902 } else if (strcmp(token, "packed_meta_blocks") == 0) { 903 if (arg) 904 packed_meta_blocks = strtoul(arg, &p, 0); 905 else 906 packed_meta_blocks = 1; 907 if (packed_meta_blocks) 908 journal_location = 0; 909 } else if (strcmp(token, "stride") == 0) { 910 if (!arg) { 911 r_usage++; 912 badopt = token; 913 continue; 914 } 915 param->s_raid_stride = strtoul(arg, &p, 0); 916 if (*p) { 917 fprintf(stderr, 918 _("Invalid stride parameter: %s\n"), 919 arg); 920 r_usage++; 921 continue; 922 } 923 } else if (strcmp(token, "stripe-width") == 0 || 924 strcmp(token, "stripe_width") == 0) { 925 if (!arg) { 926 r_usage++; 927 badopt = token; 928 continue; 929 } 930 param->s_raid_stripe_width = strtoul(arg, &p, 0); 931 if (*p) { 932 fprintf(stderr, 933 _("Invalid stripe-width parameter: %s\n"), 934 arg); 935 r_usage++; 936 continue; 937 } 938 } else if (!strcmp(token, "resize")) { 939 blk64_t resize; 940 unsigned long bpg, rsv_groups; 941 unsigned long group_desc_count, desc_blocks; 942 unsigned int gdpb, blocksize; 943 int rsv_gdb; 944 945 if (!arg) { 946 r_usage++; 947 badopt = token; 948 continue; 949 } 950 951 resize = parse_num_blocks2(arg, 952 param->s_log_block_size); 953 954 if (resize == 0) { 955 fprintf(stderr, 956 _("Invalid resize parameter: %s\n"), 957 arg); 958 r_usage++; 959 continue; 960 } 961 if (resize <= ext2fs_blocks_count(param)) { 962 fprintf(stderr, "%s", 963 _("The resize maximum must be greater " 964 "than the filesystem size.\n")); 965 r_usage++; 966 continue; 967 } 968 969 blocksize = EXT2_BLOCK_SIZE(param); 970 bpg = param->s_blocks_per_group; 971 if (!bpg) 972 bpg = blocksize * 8; 973 gdpb = EXT2_DESC_PER_BLOCK(param); 974 group_desc_count = (__u32) ext2fs_div64_ceil( 975 ext2fs_blocks_count(param), bpg); 976 desc_blocks = (group_desc_count + 977 gdpb - 1) / gdpb; 978 rsv_groups = ext2fs_div64_ceil(resize, bpg); 979 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - 980 desc_blocks; 981 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) 982 rsv_gdb = EXT2_ADDR_PER_BLOCK(param); 983 984 if (rsv_gdb > 0) { 985 if (param->s_rev_level == EXT2_GOOD_OLD_REV) { 986 fprintf(stderr, "%s", 987 _("On-line resizing not supported with revision 0 filesystems\n")); 988 free(buf); 989 exit(1); 990 } 991 ext2fs_set_feature_resize_inode(param); 992 993 param->s_reserved_gdt_blocks = rsv_gdb; 994 } 995 } else if (!strcmp(token, "test_fs")) { 996 param->s_flags |= EXT2_FLAGS_TEST_FILESYS; 997 } else if (!strcmp(token, "lazy_itable_init")) { 998 if (arg) 999 lazy_itable_init = strtoul(arg, &p, 0); 1000 else 1001 lazy_itable_init = 1; 1002 } else if (!strcmp(token, "lazy_journal_init")) { 1003 if (arg) 1004 journal_flags |= strtoul(arg, &p, 0) ? 1005 EXT2_MKJOURNAL_LAZYINIT : 0; 1006 else 1007 journal_flags |= EXT2_MKJOURNAL_LAZYINIT; 1008 } else if (!strcmp(token, "root_owner")) { 1009 if (arg) { 1010 root_uid = strtoul(arg, &p, 0); 1011 if (*p != ':') { 1012 fprintf(stderr, 1013 _("Invalid root_owner: '%s'\n"), 1014 arg); 1015 r_usage++; 1016 continue; 1017 } 1018 p++; 1019 root_gid = strtoul(p, &p, 0); 1020 if (*p) { 1021 fprintf(stderr, 1022 _("Invalid root_owner: '%s'\n"), 1023 arg); 1024 r_usage++; 1025 continue; 1026 } 1027 } else { 1028 root_uid = getuid(); 1029 root_gid = getgid(); 1030 } 1031 } else if (!strcmp(token, "discard")) { 1032 discard = 1; 1033 } else if (!strcmp(token, "nodiscard")) { 1034 discard = 0; 1035 } else if (!strcmp(token, "quotatype")) { 1036 char *errtok = NULL; 1037 1038 if (!arg) { 1039 r_usage++; 1040 badopt = token; 1041 continue; 1042 } 1043 quotatype_bits = 0; 1044 ret = parse_quota_types(arg, "atype_bits, &errtok); 1045 if (ret) { 1046 if (errtok) { 1047 fprintf(stderr, 1048 "Failed to parse quota type at %s", errtok); 1049 free(errtok); 1050 } else 1051 com_err(program_name, ret, 1052 "while parsing quota type"); 1053 r_usage++; 1054 badopt = token; 1055 continue; 1056 } 1057 } else if (!strcmp(token, "android_sparse")) { 1058 android_sparse_file = 1; 1059 } else { 1060 r_usage++; 1061 badopt = token; 1062 } 1063 } 1064 if (r_usage) { 1065 fprintf(stderr, _("\nBad option(s) specified: %s\n\n" 1066 "Extended options are separated by commas, " 1067 "and may take an argument which\n" 1068 "\tis set off by an equals ('=') sign.\n\n" 1069 "Valid extended options are:\n" 1070 "\tmmp_update_interval=<interval>\n" 1071 "\tnum_backup_sb=<0|1|2>\n" 1072 "\tstride=<RAID per-disk data chunk in blocks>\n" 1073 "\tstripe-width=<RAID stride * data disks in blocks>\n" 1074 "\toffset=<offset to create the file system>\n" 1075 "\tresize=<resize maximum size in blocks>\n" 1076 "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n" 1077 "\tlazy_itable_init=<0 to disable, 1 to enable>\n" 1078 "\tlazy_journal_init=<0 to disable, 1 to enable>\n" 1079 "\troot_owner=<uid of root dir>:<gid of root dir>\n" 1080 "\ttest_fs\n" 1081 "\tdiscard\n" 1082 "\tnodiscard\n" 1083 "\tquotatype=<quota type(s) to be enabled>\n\n"), 1084 badopt ? badopt : ""); 1085 free(buf); 1086 exit(1); 1087 } 1088 if (param->s_raid_stride && 1089 (param->s_raid_stripe_width % param->s_raid_stride) != 0) 1090 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " 1091 "multiple of stride %u.\n\n"), 1092 param->s_raid_stripe_width, param->s_raid_stride); 1093 1094 free(buf); 1095 } 1096 1097 static __u32 ok_features[3] = { 1098 /* Compat */ 1099 EXT3_FEATURE_COMPAT_HAS_JOURNAL | 1100 EXT2_FEATURE_COMPAT_RESIZE_INODE | 1101 EXT2_FEATURE_COMPAT_DIR_INDEX | 1102 EXT2_FEATURE_COMPAT_EXT_ATTR | 1103 EXT4_FEATURE_COMPAT_SPARSE_SUPER2, 1104 /* Incompat */ 1105 EXT2_FEATURE_INCOMPAT_FILETYPE| 1106 EXT3_FEATURE_INCOMPAT_EXTENTS| 1107 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| 1108 EXT2_FEATURE_INCOMPAT_META_BG| 1109 EXT4_FEATURE_INCOMPAT_FLEX_BG| 1110 EXT4_FEATURE_INCOMPAT_EA_INODE| 1111 EXT4_FEATURE_INCOMPAT_MMP | 1112 EXT4_FEATURE_INCOMPAT_64BIT| 1113 EXT4_FEATURE_INCOMPAT_INLINE_DATA| 1114 EXT4_FEATURE_INCOMPAT_ENCRYPT | 1115 EXT4_FEATURE_INCOMPAT_CSUM_SEED | 1116 EXT4_FEATURE_INCOMPAT_LARGEDIR, 1117 /* R/O compat */ 1118 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| 1119 EXT4_FEATURE_RO_COMPAT_HUGE_FILE| 1120 EXT4_FEATURE_RO_COMPAT_DIR_NLINK| 1121 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| 1122 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| 1123 EXT4_FEATURE_RO_COMPAT_GDT_CSUM| 1124 EXT4_FEATURE_RO_COMPAT_BIGALLOC| 1125 EXT4_FEATURE_RO_COMPAT_QUOTA| 1126 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM| 1127 EXT4_FEATURE_RO_COMPAT_PROJECT| 1128 EXT4_FEATURE_RO_COMPAT_VERITY 1129 }; 1130 1131 1132 static void syntax_err_report(const char *filename, long err, int line_num) 1133 { 1134 fprintf(stderr, 1135 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), 1136 filename, line_num, error_message(err)); 1137 exit(1); 1138 } 1139 1140 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; 1141 1142 static void edit_feature(const char *str, __u32 *compat_array) 1143 { 1144 if (!str) 1145 return; 1146 1147 if (e2p_edit_feature(str, compat_array, ok_features)) { 1148 fprintf(stderr, _("Invalid filesystem option set: %s\n"), 1149 str); 1150 exit(1); 1151 } 1152 } 1153 1154 static void edit_mntopts(const char *str, __u32 *mntopts) 1155 { 1156 if (!str) 1157 return; 1158 1159 if (e2p_edit_mntopts(str, mntopts, ~0)) { 1160 fprintf(stderr, _("Invalid mount option set: %s\n"), 1161 str); 1162 exit(1); 1163 } 1164 } 1165 1166 struct str_list { 1167 char **list; 1168 int num; 1169 int max; 1170 }; 1171 1172 static errcode_t init_list(struct str_list *sl) 1173 { 1174 sl->num = 0; 1175 sl->max = 1; 1176 sl->list = malloc((sl->max+1) * sizeof(char *)); 1177 if (!sl->list) 1178 return ENOMEM; 1179 sl->list[0] = 0; 1180 return 0; 1181 } 1182 1183 static errcode_t push_string(struct str_list *sl, const char *str) 1184 { 1185 char **new_list; 1186 1187 if (sl->num >= sl->max) { 1188 sl->max += 2; 1189 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); 1190 if (!new_list) 1191 return ENOMEM; 1192 sl->list = new_list; 1193 } 1194 sl->list[sl->num] = malloc(strlen(str)+1); 1195 if (sl->list[sl->num] == 0) 1196 return ENOMEM; 1197 strcpy(sl->list[sl->num], str); 1198 sl->num++; 1199 sl->list[sl->num] = 0; 1200 return 0; 1201 } 1202 1203 static void print_str_list(char **list) 1204 { 1205 char **cpp; 1206 1207 for (cpp = list; *cpp; cpp++) { 1208 printf("'%s'", *cpp); 1209 if (cpp[1]) 1210 fputs(", ", stdout); 1211 } 1212 fputc('\n', stdout); 1213 } 1214 1215 /* 1216 * Return TRUE if the profile has the given subsection 1217 */ 1218 static int profile_has_subsection(profile_t prof, const char *section, 1219 const char *subsection) 1220 { 1221 void *state; 1222 const char *names[4]; 1223 char *name; 1224 int ret = 0; 1225 1226 names[0] = section; 1227 names[1] = subsection; 1228 names[2] = 0; 1229 1230 if (profile_iterator_create(prof, names, 1231 PROFILE_ITER_LIST_SECTION | 1232 PROFILE_ITER_RELATIONS_ONLY, &state)) 1233 return 0; 1234 1235 if ((profile_iterator(&state, &name, 0) == 0) && name) { 1236 free(name); 1237 ret = 1; 1238 } 1239 1240 profile_iterator_free(&state); 1241 return ret; 1242 } 1243 1244 static char **parse_fs_type(const char *fs_type, 1245 const char *usage_types, 1246 struct ext2_super_block *sb, 1247 blk64_t fs_blocks_count, 1248 char *progname) 1249 { 1250 const char *ext_type = 0; 1251 char *parse_str; 1252 char *profile_type = 0; 1253 char *cp, *t; 1254 const char *size_type; 1255 struct str_list list; 1256 unsigned long long meg; 1257 int is_hurd = for_hurd(creator_os); 1258 1259 if (init_list(&list)) 1260 return 0; 1261 1262 if (fs_type) 1263 ext_type = fs_type; 1264 else if (is_hurd) 1265 ext_type = "ext2"; 1266 else if (!strcmp(program_name, "mke3fs")) 1267 ext_type = "ext3"; 1268 else if (!strcmp(program_name, "mke4fs")) 1269 ext_type = "ext4"; 1270 else if (progname) { 1271 ext_type = strrchr(progname, '/'); 1272 if (ext_type) 1273 ext_type++; 1274 else 1275 ext_type = progname; 1276 1277 if (!strncmp(ext_type, "mkfs.", 5)) { 1278 ext_type += 5; 1279 if (ext_type[0] == 0) 1280 ext_type = 0; 1281 } else 1282 ext_type = 0; 1283 } 1284 1285 if (!ext_type) { 1286 profile_get_string(profile, "defaults", "fs_type", 0, 1287 "ext2", &profile_type); 1288 ext_type = profile_type; 1289 if (!strcmp(ext_type, "ext2") && (journal_size != 0)) 1290 ext_type = "ext3"; 1291 } 1292 1293 1294 if (!profile_has_subsection(profile, "fs_types", ext_type) && 1295 strcmp(ext_type, "ext2")) { 1296 printf(_("\nYour mke2fs.conf file does not define the " 1297 "%s filesystem type.\n"), ext_type); 1298 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") || 1299 !strcmp(ext_type, "ext4dev")) { 1300 printf("%s", _("You probably need to install an " 1301 "updated mke2fs.conf file.\n\n")); 1302 } 1303 if (!force) { 1304 printf("%s", _("Aborting...\n")); 1305 exit(1); 1306 } 1307 } 1308 1309 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb); 1310 if (fs_blocks_count < 3 * meg) 1311 size_type = "floppy"; 1312 else if (fs_blocks_count < 512 * meg) 1313 size_type = "small"; 1314 else if (fs_blocks_count < 4 * 1024 * 1024 * meg) 1315 size_type = "default"; 1316 else if (fs_blocks_count < 16 * 1024 * 1024 * meg) 1317 size_type = "big"; 1318 else 1319 size_type = "huge"; 1320 1321 if (!usage_types) 1322 usage_types = size_type; 1323 1324 parse_str = malloc(strlen(usage_types)+1); 1325 if (!parse_str) { 1326 free(profile_type); 1327 free(list.list); 1328 return 0; 1329 } 1330 strcpy(parse_str, usage_types); 1331 1332 if (ext_type) 1333 push_string(&list, ext_type); 1334 cp = parse_str; 1335 while (1) { 1336 t = strchr(cp, ','); 1337 if (t) 1338 *t = '\0'; 1339 1340 if (*cp) { 1341 if (profile_has_subsection(profile, "fs_types", cp)) 1342 push_string(&list, cp); 1343 else if (strcmp(cp, "default") != 0) 1344 fprintf(stderr, 1345 _("\nWarning: the fs_type %s is not " 1346 "defined in mke2fs.conf\n\n"), 1347 cp); 1348 } 1349 if (t) 1350 cp = t+1; 1351 else 1352 break; 1353 } 1354 free(parse_str); 1355 free(profile_type); 1356 if (is_hurd) 1357 push_string(&list, "hurd"); 1358 return (list.list); 1359 } 1360 1361 char *get_string_from_profile(char **types, const char *opt, 1362 const char *def_val) 1363 { 1364 char *ret = 0; 1365 int i; 1366 1367 for (i=0; types[i]; i++); 1368 for (i-=1; i >=0 ; i--) { 1369 profile_get_string(profile, "fs_types", types[i], 1370 opt, 0, &ret); 1371 if (ret) 1372 return ret; 1373 } 1374 profile_get_string(profile, "defaults", opt, 0, def_val, &ret); 1375 return (ret); 1376 } 1377 1378 int get_int_from_profile(char **types, const char *opt, int def_val) 1379 { 1380 int ret; 1381 char **cpp; 1382 1383 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); 1384 for (cpp = types; *cpp; cpp++) 1385 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); 1386 return ret; 1387 } 1388 1389 static unsigned int get_uint_from_profile(char **types, const char *opt, 1390 unsigned int def_val) 1391 { 1392 unsigned int ret; 1393 char **cpp; 1394 1395 profile_get_uint(profile, "defaults", opt, 0, def_val, &ret); 1396 for (cpp = types; *cpp; cpp++) 1397 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret); 1398 return ret; 1399 } 1400 1401 static double get_double_from_profile(char **types, const char *opt, 1402 double def_val) 1403 { 1404 double ret; 1405 char **cpp; 1406 1407 profile_get_double(profile, "defaults", opt, 0, def_val, &ret); 1408 for (cpp = types; *cpp; cpp++) 1409 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret); 1410 return ret; 1411 } 1412 1413 int get_bool_from_profile(char **types, const char *opt, int def_val) 1414 { 1415 int ret; 1416 char **cpp; 1417 1418 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); 1419 for (cpp = types; *cpp; cpp++) 1420 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); 1421 return ret; 1422 } 1423 1424 extern const char *mke2fs_default_profile; 1425 static const char *default_files[] = { "<default>", 0 }; 1426 1427 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 1428 /* 1429 * Sets the geometry of a device (stripe/stride), and returns the 1430 * device's alignment offset, if any, or a negative error. 1431 */ 1432 static int get_device_geometry(const char *file, 1433 struct ext2_super_block *param, 1434 unsigned int psector_size) 1435 { 1436 int rc = -1; 1437 unsigned int blocksize; 1438 blkid_probe pr; 1439 blkid_topology tp; 1440 unsigned long min_io; 1441 unsigned long opt_io; 1442 struct stat statbuf; 1443 1444 /* Nothing to do for a regular file */ 1445 if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode)) 1446 return 0; 1447 1448 pr = blkid_new_probe_from_filename(file); 1449 if (!pr) 1450 goto out; 1451 1452 tp = blkid_probe_get_topology(pr); 1453 if (!tp) 1454 goto out; 1455 1456 min_io = blkid_topology_get_minimum_io_size(tp); 1457 opt_io = blkid_topology_get_optimal_io_size(tp); 1458 blocksize = EXT2_BLOCK_SIZE(param); 1459 if ((min_io == 0) && (psector_size > blocksize)) 1460 min_io = psector_size; 1461 if ((opt_io == 0) && min_io) 1462 opt_io = min_io; 1463 if ((opt_io == 0) && (psector_size > blocksize)) 1464 opt_io = psector_size; 1465 1466 /* setting stripe/stride to blocksize is pointless */ 1467 if (min_io > blocksize) 1468 param->s_raid_stride = min_io / blocksize; 1469 if (opt_io > blocksize) 1470 param->s_raid_stripe_width = opt_io / blocksize; 1471 1472 rc = blkid_topology_get_alignment_offset(tp); 1473 out: 1474 blkid_free_probe(pr); 1475 return rc; 1476 } 1477 #endif 1478 1479 static void PRS(int argc, char *argv[]) 1480 { 1481 int b, c, flags; 1482 int cluster_size = 0; 1483 char *tmp, **cpp; 1484 int explicit_fssize = 0; 1485 int blocksize = 0; 1486 int inode_ratio = 0; 1487 int inode_size = 0; 1488 unsigned long flex_bg_size = 0; 1489 double reserved_ratio = -1.0; 1490 int lsector_size = 0, psector_size = 0; 1491 int show_version_only = 0, is_device = 0; 1492 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ 1493 errcode_t retval; 1494 char * oldpath = getenv("PATH"); 1495 char * extended_opts = 0; 1496 char * fs_type = 0; 1497 char * usage_types = 0; 1498 /* 1499 * NOTE: A few words about fs_blocks_count and blocksize: 1500 * 1501 * Initially, blocksize is set to zero, which implies 1024. 1502 * If -b is specified, blocksize is updated to the user's value. 1503 * 1504 * Next, the device size or the user's "blocks" command line argument 1505 * is used to set fs_blocks_count; the units are blocksize. 1506 * 1507 * Later, if blocksize hasn't been set and the profile specifies a 1508 * blocksize, then blocksize is updated and fs_blocks_count is scaled 1509 * appropriately. Note the change in units! 1510 * 1511 * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs. 1512 */ 1513 blk64_t fs_blocks_count = 0; 1514 long sysval; 1515 int s_opt = -1, r_opt = -1; 1516 char *fs_features = 0; 1517 int fs_features_size = 0; 1518 int use_bsize; 1519 char *newpath; 1520 int pathlen = sizeof(PATH_SET) + 1; 1521 1522 if (oldpath) 1523 pathlen += strlen(oldpath); 1524 newpath = malloc(pathlen); 1525 if (!newpath) { 1526 fprintf(stderr, "%s", 1527 _("Couldn't allocate memory for new PATH.\n")); 1528 exit(1); 1529 } 1530 strcpy(newpath, PATH_SET); 1531 1532 /* Update our PATH to include /sbin */ 1533 if (oldpath) { 1534 strcat (newpath, ":"); 1535 strcat (newpath, oldpath); 1536 } 1537 putenv (newpath); 1538 1539 /* Determine the system page size if possible */ 1540 #ifdef HAVE_SYSCONF 1541 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) 1542 #define _SC_PAGESIZE _SC_PAGE_SIZE 1543 #endif 1544 #ifdef _SC_PAGESIZE 1545 sysval = sysconf(_SC_PAGESIZE); 1546 if (sysval > 0) 1547 sys_page_size = sysval; 1548 #endif /* _SC_PAGESIZE */ 1549 #endif /* HAVE_SYSCONF */ 1550 1551 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) 1552 config_fn[0] = tmp; 1553 profile_set_syntax_err_cb(syntax_err_report); 1554 retval = profile_init(config_fn, &profile); 1555 if (retval == ENOENT) { 1556 retval = profile_init(default_files, &profile); 1557 if (retval) 1558 goto profile_error; 1559 retval = profile_set_default(profile, mke2fs_default_profile); 1560 if (retval) 1561 goto profile_error; 1562 } else if (retval) { 1563 profile_error: 1564 fprintf(stderr, _("Couldn't init profile successfully" 1565 " (error: %ld).\n"), retval); 1566 exit(1); 1567 } 1568 1569 setbuf(stdout, NULL); 1570 setbuf(stderr, NULL); 1571 add_error_table(&et_ext2_error_table); 1572 add_error_table(&et_prof_error_table); 1573 memset(&fs_param, 0, sizeof(struct ext2_super_block)); 1574 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ 1575 1576 if (is_before_linux_ver(2, 2, 0)) 1577 fs_param.s_rev_level = 0; 1578 1579 if (argc && *argv) { 1580 program_name = get_progname(*argv); 1581 1582 /* If called as mkfs.ext3, create a journal inode */ 1583 if (!strcmp(program_name, "mkfs.ext3") || 1584 !strcmp(program_name, "mke3fs")) 1585 journal_size = -1; 1586 } 1587 1588 while ((c = getopt (argc, argv, 1589 "b:cd:e:g:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:Vz:")) != EOF) { 1590 switch (c) { 1591 case 'b': 1592 blocksize = parse_num_blocks2(optarg, -1); 1593 b = (blocksize > 0) ? blocksize : -blocksize; 1594 if (b < EXT2_MIN_BLOCK_SIZE || 1595 b > EXT2_MAX_BLOCK_SIZE) { 1596 com_err(program_name, 0, 1597 _("invalid block size - %s"), optarg); 1598 exit(1); 1599 } 1600 if (blocksize > 4096) 1601 fprintf(stderr, _("Warning: blocksize %d not " 1602 "usable on most systems.\n"), 1603 blocksize); 1604 if (blocksize > 0) 1605 fs_param.s_log_block_size = 1606 int_log2(blocksize >> 1607 EXT2_MIN_BLOCK_LOG_SIZE); 1608 break; 1609 case 'c': /* Check for bad blocks */ 1610 cflag++; 1611 break; 1612 case 'C': 1613 cluster_size = parse_num_blocks2(optarg, -1); 1614 if (cluster_size <= EXT2_MIN_CLUSTER_SIZE || 1615 cluster_size > EXT2_MAX_CLUSTER_SIZE) { 1616 com_err(program_name, 0, 1617 _("invalid cluster size - %s"), 1618 optarg); 1619 exit(1); 1620 } 1621 break; 1622 case 'd': 1623 src_root_dir = optarg; 1624 break; 1625 case 'D': 1626 direct_io = 1; 1627 break; 1628 case 'R': 1629 com_err(program_name, 0, "%s", 1630 _("'-R' is deprecated, use '-E' instead")); 1631 /* fallthrough */ 1632 case 'E': 1633 extended_opts = optarg; 1634 break; 1635 case 'e': 1636 if (strcmp(optarg, "continue") == 0) 1637 errors_behavior = EXT2_ERRORS_CONTINUE; 1638 else if (strcmp(optarg, "remount-ro") == 0) 1639 errors_behavior = EXT2_ERRORS_RO; 1640 else if (strcmp(optarg, "panic") == 0) 1641 errors_behavior = EXT2_ERRORS_PANIC; 1642 else { 1643 com_err(program_name, 0, 1644 _("bad error behavior - %s"), 1645 optarg); 1646 usage(); 1647 } 1648 break; 1649 case 'F': 1650 force++; 1651 break; 1652 case 'g': 1653 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); 1654 if (*tmp) { 1655 com_err(program_name, 0, "%s", 1656 _("Illegal number for blocks per group")); 1657 exit(1); 1658 } 1659 if ((fs_param.s_blocks_per_group % 8) != 0) { 1660 com_err(program_name, 0, "%s", 1661 _("blocks per group must be multiple of 8")); 1662 exit(1); 1663 } 1664 break; 1665 case 'G': 1666 flex_bg_size = strtoul(optarg, &tmp, 0); 1667 if (*tmp) { 1668 com_err(program_name, 0, "%s", 1669 _("Illegal number for flex_bg size")); 1670 exit(1); 1671 } 1672 if (flex_bg_size < 1 || 1673 (flex_bg_size & (flex_bg_size-1)) != 0) { 1674 com_err(program_name, 0, "%s", 1675 _("flex_bg size must be a power of 2")); 1676 exit(1); 1677 } 1678 if (flex_bg_size > MAX_32_NUM) { 1679 com_err(program_name, 0, 1680 _("flex_bg size (%lu) must be less than" 1681 " or equal to 2^31"), flex_bg_size); 1682 exit(1); 1683 } 1684 break; 1685 case 'i': 1686 inode_ratio = parse_num_blocks(optarg, -1); 1687 if (inode_ratio < EXT2_MIN_BLOCK_SIZE || 1688 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) { 1689 com_err(program_name, 0, 1690 _("invalid inode ratio %s (min %d/max %d)"), 1691 optarg, EXT2_MIN_BLOCK_SIZE, 1692 EXT2_MAX_BLOCK_SIZE * 1024); 1693 exit(1); 1694 } 1695 break; 1696 case 'I': 1697 inode_size = strtoul(optarg, &tmp, 0); 1698 if (*tmp) { 1699 com_err(program_name, 0, 1700 _("invalid inode size - %s"), optarg); 1701 exit(1); 1702 } 1703 break; 1704 case 'j': 1705 if (!journal_size) 1706 journal_size = -1; 1707 break; 1708 case 'J': 1709 parse_journal_opts(optarg); 1710 break; 1711 case 'K': 1712 fprintf(stderr, "%s", 1713 _("Warning: -K option is deprecated and " 1714 "should not be used anymore. Use " 1715 "\'-E nodiscard\' extended option " 1716 "instead!\n")); 1717 discard = 0; 1718 break; 1719 case 'l': 1720 bad_blocks_filename = realloc(bad_blocks_filename, 1721 strlen(optarg) + 1); 1722 if (!bad_blocks_filename) { 1723 com_err(program_name, ENOMEM, "%s", 1724 _("in malloc for bad_blocks_filename")); 1725 exit(1); 1726 } 1727 strcpy(bad_blocks_filename, optarg); 1728 break; 1729 case 'L': 1730 volume_label = optarg; 1731 if (strlen(volume_label) > EXT2_LABEL_LEN) { 1732 volume_label[EXT2_LABEL_LEN] = '\0'; 1733 fprintf(stderr, _("Warning: label too long; will be truncated to '%s'\n\n"), 1734 volume_label); 1735 } 1736 break; 1737 case 'm': 1738 reserved_ratio = strtod(optarg, &tmp); 1739 if ( *tmp || reserved_ratio > 50 || 1740 reserved_ratio < 0) { 1741 com_err(program_name, 0, 1742 _("invalid reserved blocks percent - %s"), 1743 optarg); 1744 exit(1); 1745 } 1746 break; 1747 case 'M': 1748 mount_dir = optarg; 1749 break; 1750 case 'n': 1751 noaction++; 1752 break; 1753 case 'N': 1754 num_inodes = strtoul(optarg, &tmp, 0); 1755 if (*tmp) { 1756 com_err(program_name, 0, 1757 _("bad num inodes - %s"), optarg); 1758 exit(1); 1759 } 1760 break; 1761 case 'o': 1762 creator_os = optarg; 1763 break; 1764 case 'O': 1765 retval = ext2fs_resize_mem(fs_features_size, 1766 fs_features_size + 1 + strlen(optarg), 1767 &fs_features); 1768 if (retval) { 1769 com_err(program_name, retval, 1770 _("while allocating fs_feature string")); 1771 exit(1); 1772 } 1773 if (fs_features_size) 1774 strcat(fs_features, ","); 1775 else 1776 fs_features[0] = 0; 1777 strcat(fs_features, optarg); 1778 fs_features_size += 1 + strlen(optarg); 1779 break; 1780 case 'q': 1781 quiet = 1; 1782 break; 1783 case 'r': 1784 r_opt = strtoul(optarg, &tmp, 0); 1785 if (*tmp) { 1786 com_err(program_name, 0, 1787 _("bad revision level - %s"), optarg); 1788 exit(1); 1789 } 1790 if (r_opt > EXT2_MAX_SUPP_REV) { 1791 com_err(program_name, EXT2_ET_REV_TOO_HIGH, 1792 _("while trying to create revision %d"), r_opt); 1793 exit(1); 1794 } 1795 fs_param.s_rev_level = r_opt; 1796 break; 1797 case 's': /* deprecated */ 1798 s_opt = atoi(optarg); 1799 break; 1800 case 'S': 1801 super_only = 1; 1802 break; 1803 case 't': 1804 if (fs_type) { 1805 com_err(program_name, 0, "%s", 1806 _("The -t option may only be used once")); 1807 exit(1); 1808 } 1809 fs_type = strdup(optarg); 1810 break; 1811 case 'T': 1812 if (usage_types) { 1813 com_err(program_name, 0, "%s", 1814 _("The -T option may only be used once")); 1815 exit(1); 1816 } 1817 usage_types = strdup(optarg); 1818 break; 1819 case 'U': 1820 fs_uuid = optarg; 1821 break; 1822 case 'v': 1823 verbose = 1; 1824 break; 1825 case 'V': 1826 /* Print version number and exit */ 1827 show_version_only++; 1828 break; 1829 case 'z': 1830 undo_file = optarg; 1831 break; 1832 default: 1833 usage(); 1834 } 1835 } 1836 if ((optind == argc) && !show_version_only) 1837 usage(); 1838 device_name = argv[optind++]; 1839 1840 if (!quiet || show_version_only) 1841 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, 1842 E2FSPROGS_DATE); 1843 1844 if (show_version_only) { 1845 fprintf(stderr, _("\tUsing %s\n"), 1846 error_message(EXT2_ET_BASE)); 1847 exit(0); 1848 } 1849 1850 /* 1851 * If there's no blocksize specified and there is a journal 1852 * device, use it to figure out the blocksize 1853 */ 1854 if (blocksize <= 0 && journal_device) { 1855 ext2_filsys jfs; 1856 io_manager io_ptr; 1857 1858 #ifdef CONFIG_TESTIO_DEBUG 1859 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 1860 io_ptr = test_io_manager; 1861 test_io_backing_manager = unix_io_manager; 1862 } else 1863 #endif 1864 io_ptr = unix_io_manager; 1865 retval = ext2fs_open(journal_device, 1866 EXT2_FLAG_JOURNAL_DEV_OK, 0, 1867 0, io_ptr, &jfs); 1868 if (retval) { 1869 com_err(program_name, retval, 1870 _("while trying to open journal device %s\n"), 1871 journal_device); 1872 exit(1); 1873 } 1874 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { 1875 com_err(program_name, 0, 1876 _("Journal dev blocksize (%d) smaller than " 1877 "minimum blocksize %d\n"), jfs->blocksize, 1878 -blocksize); 1879 exit(1); 1880 } 1881 blocksize = jfs->blocksize; 1882 printf(_("Using journal device's blocksize: %d\n"), blocksize); 1883 fs_param.s_log_block_size = 1884 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 1885 ext2fs_close_free(&jfs); 1886 } 1887 1888 if (optind < argc) { 1889 fs_blocks_count = parse_num_blocks2(argv[optind++], 1890 fs_param.s_log_block_size); 1891 if (!fs_blocks_count) { 1892 com_err(program_name, 0, 1893 _("invalid blocks '%s' on device '%s'"), 1894 argv[optind - 1], device_name); 1895 exit(1); 1896 } 1897 } 1898 if (optind < argc) 1899 usage(); 1900 1901 profile_get_integer(profile, "options", "sync_kludge", 0, 0, 1902 &sync_kludge); 1903 tmp = getenv("MKE2FS_SYNC"); 1904 if (tmp) 1905 sync_kludge = atoi(tmp); 1906 1907 profile_get_integer(profile, "options", "proceed_delay", 0, 0, 1908 &proceed_delay); 1909 1910 /* The isatty() test is so we don't break existing scripts */ 1911 flags = CREATE_FILE; 1912 if (isatty(0) && isatty(1) && !offset) 1913 flags |= CHECK_FS_EXIST; 1914 if (!quiet) 1915 flags |= VERBOSE_CREATE; 1916 if (fs_blocks_count == 0) 1917 flags |= NO_SIZE; 1918 else 1919 explicit_fssize = 1; 1920 if (!check_plausibility(device_name, flags, &is_device) && !force) 1921 proceed_question(proceed_delay); 1922 1923 check_mount(device_name, force, _("filesystem")); 1924 1925 /* Determine the size of the device (if possible) */ 1926 if (noaction && fs_blocks_count) { 1927 dev_size = fs_blocks_count; 1928 retval = 0; 1929 } else 1930 #ifndef _WIN32 1931 retval = ext2fs_get_device_size2(device_name, 1932 EXT2_BLOCK_SIZE(&fs_param), 1933 &dev_size); 1934 #else 1935 retval = ext2fs_get_device_size(device_name, 1936 EXT2_BLOCK_SIZE(&fs_param), 1937 &dev_size); 1938 #endif 1939 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { 1940 com_err(program_name, retval, "%s", 1941 _("while trying to determine filesystem size")); 1942 exit(1); 1943 } 1944 if (!fs_blocks_count) { 1945 if (retval == EXT2_ET_UNIMPLEMENTED) { 1946 com_err(program_name, 0, "%s", 1947 _("Couldn't determine device size; you " 1948 "must specify\nthe size of the " 1949 "filesystem\n")); 1950 exit(1); 1951 } else { 1952 if (dev_size == 0) { 1953 com_err(program_name, 0, "%s", 1954 _("Device size reported to be zero. " 1955 "Invalid partition specified, or\n\t" 1956 "partition table wasn't reread " 1957 "after running fdisk, due to\n\t" 1958 "a modified partition being busy " 1959 "and in use. You may need to reboot\n\t" 1960 "to re-read your partition table.\n" 1961 )); 1962 exit(1); 1963 } 1964 fs_blocks_count = dev_size; 1965 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) 1966 fs_blocks_count &= ~((blk64_t) ((sys_page_size / 1967 EXT2_BLOCK_SIZE(&fs_param))-1)); 1968 } 1969 } else if (!force && is_device && (fs_blocks_count > dev_size)) { 1970 com_err(program_name, 0, "%s", 1971 _("Filesystem larger than apparent device size.")); 1972 proceed_question(proceed_delay); 1973 } 1974 1975 if (!fs_type) 1976 profile_get_string(profile, "devices", device_name, 1977 "fs_type", 0, &fs_type); 1978 if (!usage_types) 1979 profile_get_string(profile, "devices", device_name, 1980 "usage_types", 0, &usage_types); 1981 1982 /* 1983 * We have the file system (or device) size, so we can now 1984 * determine the appropriate file system types so the fs can 1985 * be appropriately configured. 1986 */ 1987 fs_types = parse_fs_type(fs_type, usage_types, &fs_param, 1988 fs_blocks_count ? fs_blocks_count : dev_size, 1989 argv[0]); 1990 if (!fs_types) { 1991 fprintf(stderr, "%s", _("Failed to parse fs types list\n")); 1992 exit(1); 1993 } 1994 1995 /* Figure out what features should be enabled */ 1996 1997 tmp = NULL; 1998 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { 1999 tmp = get_string_from_profile(fs_types, "base_features", 2000 "sparse_super,large_file,filetype,resize_inode,dir_index"); 2001 edit_feature(tmp, &fs_param.s_feature_compat); 2002 free(tmp); 2003 2004 /* And which mount options as well */ 2005 tmp = get_string_from_profile(fs_types, "default_mntopts", 2006 "acl,user_xattr"); 2007 edit_mntopts(tmp, &fs_param.s_default_mount_opts); 2008 if (tmp) 2009 free(tmp); 2010 2011 for (cpp = fs_types; *cpp; cpp++) { 2012 tmp = NULL; 2013 profile_get_string(profile, "fs_types", *cpp, 2014 "features", "", &tmp); 2015 if (tmp && *tmp) 2016 edit_feature(tmp, &fs_param.s_feature_compat); 2017 if (tmp) 2018 free(tmp); 2019 } 2020 tmp = get_string_from_profile(fs_types, "default_features", 2021 ""); 2022 } 2023 /* Mask off features which aren't supported by the Hurd */ 2024 if (for_hurd(creator_os)) { 2025 ext2fs_clear_feature_filetype(&fs_param); 2026 ext2fs_clear_feature_huge_file(&fs_param); 2027 ext2fs_clear_feature_metadata_csum(&fs_param); 2028 ext2fs_clear_feature_ea_inode(&fs_param); 2029 } 2030 edit_feature(fs_features ? fs_features : tmp, 2031 &fs_param.s_feature_compat); 2032 if (tmp) 2033 free(tmp); 2034 (void) ext2fs_free_mem(&fs_features); 2035 /* 2036 * If the user specified features incompatible with the Hurd, complain 2037 */ 2038 if (for_hurd(creator_os)) { 2039 if (ext2fs_has_feature_filetype(&fs_param)) { 2040 fprintf(stderr, "%s", _("The HURD does not support the " 2041 "filetype feature.\n")); 2042 exit(1); 2043 } 2044 if (ext2fs_has_feature_huge_file(&fs_param)) { 2045 fprintf(stderr, "%s", _("The HURD does not support the " 2046 "huge_file feature.\n")); 2047 exit(1); 2048 } 2049 if (ext2fs_has_feature_metadata_csum(&fs_param)) { 2050 fprintf(stderr, "%s", _("The HURD does not support the " 2051 "metadata_csum feature.\n")); 2052 exit(1); 2053 } 2054 if (ext2fs_has_feature_ea_inode(&fs_param)) { 2055 fprintf(stderr, "%s", _("The HURD does not support the " 2056 "ea_inode feature.\n")); 2057 exit(1); 2058 } 2059 } 2060 2061 /* Get the hardware sector sizes, if available */ 2062 retval = ext2fs_get_device_sectsize(device_name, &lsector_size); 2063 if (retval) { 2064 com_err(program_name, retval, "%s", 2065 _("while trying to determine hardware sector size")); 2066 exit(1); 2067 } 2068 retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size); 2069 if (retval) { 2070 com_err(program_name, retval, "%s", 2071 _("while trying to determine physical sector size")); 2072 exit(1); 2073 } 2074 2075 tmp = getenv("MKE2FS_DEVICE_SECTSIZE"); 2076 if (tmp != NULL) 2077 lsector_size = atoi(tmp); 2078 tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE"); 2079 if (tmp != NULL) 2080 psector_size = atoi(tmp); 2081 2082 /* Older kernels may not have physical/logical distinction */ 2083 if (!psector_size) 2084 psector_size = lsector_size; 2085 2086 if (blocksize <= 0) { 2087 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); 2088 2089 if (use_bsize == -1) { 2090 use_bsize = sys_page_size; 2091 if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096) 2092 use_bsize = 4096; 2093 } 2094 if (lsector_size && use_bsize < lsector_size) 2095 use_bsize = lsector_size; 2096 if ((blocksize < 0) && (use_bsize < (-blocksize))) 2097 use_bsize = -blocksize; 2098 blocksize = use_bsize; 2099 fs_blocks_count /= (blocksize / 1024); 2100 } else { 2101 if (blocksize < lsector_size) { /* Impossible */ 2102 com_err(program_name, EINVAL, "%s", 2103 _("while setting blocksize; too small " 2104 "for device\n")); 2105 exit(1); 2106 } else if ((blocksize < psector_size) && 2107 (psector_size <= sys_page_size)) { /* Suboptimal */ 2108 fprintf(stderr, _("Warning: specified blocksize %d is " 2109 "less than device physical sectorsize %d\n"), 2110 blocksize, psector_size); 2111 } 2112 } 2113 2114 fs_param.s_log_block_size = 2115 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); 2116 2117 /* 2118 * We now need to do a sanity check of fs_blocks_count for 2119 * 32-bit vs 64-bit block number support. 2120 */ 2121 if ((fs_blocks_count > MAX_32_NUM) && 2122 ext2fs_has_feature_64bit(&fs_param)) 2123 ext2fs_clear_feature_resize_inode(&fs_param); 2124 if ((fs_blocks_count > MAX_32_NUM) && 2125 !ext2fs_has_feature_64bit(&fs_param) && 2126 get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) { 2127 ext2fs_set_feature_64bit(&fs_param); 2128 ext2fs_clear_feature_resize_inode(&fs_param); 2129 } 2130 if ((fs_blocks_count > MAX_32_NUM) && 2131 !ext2fs_has_feature_64bit(&fs_param)) { 2132 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s " 2133 "too big to be expressed\n\t" 2134 "in 32 bits using a blocksize of %d.\n"), 2135 program_name, fs_blocks_count, device_name, 2136 EXT2_BLOCK_SIZE(&fs_param)); 2137 exit(1); 2138 } 2139 /* 2140 * Guard against group descriptor count overflowing... Mostly to avoid 2141 * strange results for absurdly large devices. 2142 */ 2143 if (fs_blocks_count > ((1ULL << (fs_param.s_log_block_size + 3 + 32)) - 1)) { 2144 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s " 2145 "too big to create\n\t" 2146 "a filesystem using a blocksize of %d.\n"), 2147 program_name, fs_blocks_count, device_name, 2148 EXT2_BLOCK_SIZE(&fs_param)); 2149 exit(1); 2150 } 2151 2152 ext2fs_blocks_count_set(&fs_param, fs_blocks_count); 2153 2154 if (ext2fs_has_feature_journal_dev(&fs_param)) { 2155 int i; 2156 2157 for (i=0; fs_types[i]; i++) { 2158 free(fs_types[i]); 2159 fs_types[i] = 0; 2160 } 2161 fs_types[0] = strdup("journal"); 2162 fs_types[1] = 0; 2163 } 2164 2165 if (verbose) { 2166 fputs(_("fs_types for mke2fs.conf resolution: "), stdout); 2167 print_str_list(fs_types); 2168 } 2169 2170 if (r_opt == EXT2_GOOD_OLD_REV && 2171 (fs_param.s_feature_compat || fs_param.s_feature_incompat || 2172 fs_param.s_feature_ro_compat)) { 2173 fprintf(stderr, "%s", _("Filesystem features not supported " 2174 "with revision 0 filesystems\n")); 2175 exit(1); 2176 } 2177 2178 if (s_opt > 0) { 2179 if (r_opt == EXT2_GOOD_OLD_REV) { 2180 fprintf(stderr, "%s", 2181 _("Sparse superblocks not supported " 2182 "with revision 0 filesystems\n")); 2183 exit(1); 2184 } 2185 ext2fs_set_feature_sparse_super(&fs_param); 2186 } else if (s_opt == 0) 2187 ext2fs_clear_feature_sparse_super(&fs_param); 2188 2189 if (journal_size != 0) { 2190 if (r_opt == EXT2_GOOD_OLD_REV) { 2191 fprintf(stderr, "%s", _("Journals not supported with " 2192 "revision 0 filesystems\n")); 2193 exit(1); 2194 } 2195 ext2fs_set_feature_journal(&fs_param); 2196 } 2197 2198 /* Get reserved_ratio from profile if not specified on cmd line. */ 2199 if (reserved_ratio < 0.0) { 2200 reserved_ratio = get_double_from_profile( 2201 fs_types, "reserved_ratio", 5.0); 2202 if (reserved_ratio > 50 || reserved_ratio < 0) { 2203 com_err(program_name, 0, 2204 _("invalid reserved blocks percent - %lf"), 2205 reserved_ratio); 2206 exit(1); 2207 } 2208 } 2209 2210 if (ext2fs_has_feature_journal_dev(&fs_param)) { 2211 reserved_ratio = 0; 2212 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; 2213 fs_param.s_feature_compat = 0; 2214 fs_param.s_feature_ro_compat &= 2215 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM; 2216 } 2217 2218 /* Check the user's mkfs options for 64bit */ 2219 if (ext2fs_has_feature_64bit(&fs_param) && 2220 !ext2fs_has_feature_extents(&fs_param)) { 2221 printf("%s", _("Extents MUST be enabled for a 64-bit " 2222 "filesystem. Pass -O extents to rectify.\n")); 2223 exit(1); 2224 } 2225 2226 /* Set first meta blockgroup via an environment variable */ 2227 /* (this is mostly for debugging purposes) */ 2228 if (ext2fs_has_feature_meta_bg(&fs_param) && 2229 (tmp = getenv("MKE2FS_FIRST_META_BG"))) 2230 fs_param.s_first_meta_bg = atoi(tmp); 2231 if (ext2fs_has_feature_bigalloc(&fs_param)) { 2232 if (!cluster_size) 2233 cluster_size = get_int_from_profile(fs_types, 2234 "cluster_size", 2235 blocksize*16); 2236 fs_param.s_log_cluster_size = 2237 int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE); 2238 if (fs_param.s_log_cluster_size && 2239 fs_param.s_log_cluster_size < fs_param.s_log_block_size) { 2240 com_err(program_name, 0, "%s", 2241 _("The cluster size may not be " 2242 "smaller than the block size.\n")); 2243 exit(1); 2244 } 2245 } else if (cluster_size) { 2246 com_err(program_name, 0, "%s", 2247 _("specifying a cluster size requires the " 2248 "bigalloc feature")); 2249 exit(1); 2250 } else 2251 fs_param.s_log_cluster_size = fs_param.s_log_block_size; 2252 2253 if (inode_ratio == 0) { 2254 inode_ratio = get_int_from_profile(fs_types, "inode_ratio", 2255 8192); 2256 if (inode_ratio < blocksize) 2257 inode_ratio = blocksize; 2258 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param)) 2259 inode_ratio = EXT2_CLUSTER_SIZE(&fs_param); 2260 } 2261 2262 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY 2263 retval = get_device_geometry(device_name, &fs_param, 2264 (unsigned int) psector_size); 2265 if (retval < 0) { 2266 fprintf(stderr, 2267 _("warning: Unable to get device geometry for %s\n"), 2268 device_name); 2269 } else if (retval) { 2270 printf(_("%s alignment is offset by %lu bytes.\n"), 2271 device_name, retval); 2272 printf(_("This may result in very poor performance, " 2273 "(re)-partitioning suggested.\n")); 2274 } 2275 #endif 2276 2277 num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2); 2278 2279 blocksize = EXT2_BLOCK_SIZE(&fs_param); 2280 2281 /* 2282 * Initialize s_desc_size so that the parse_extended_opts() 2283 * can correctly handle "-E resize=NNN" if the 64-bit option 2284 * is set. 2285 */ 2286 if (ext2fs_has_feature_64bit(&fs_param)) 2287 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT; 2288 2289 /* This check should happen beyond the last assignment to blocksize */ 2290 if (blocksize > sys_page_size) { 2291 if (!force) { 2292 com_err(program_name, 0, 2293 _("%d-byte blocks too big for system (max %d)"), 2294 blocksize, sys_page_size); 2295 proceed_question(proceed_delay); 2296 } 2297 fprintf(stderr, _("Warning: %d-byte blocks too big for system " 2298 "(max %d), forced to continue\n"), 2299 blocksize, sys_page_size); 2300 } 2301 2302 /* Metadata checksumming wasn't totally stable before 3.18. */ 2303 if (is_before_linux_ver(3, 18, 0) && 2304 ext2fs_has_feature_metadata_csum(&fs_param)) 2305 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for " 2306 "improved stability of the metadata and journal " 2307 "checksum features.\n")); 2308 2309 /* 2310 * On newer kernels we do have lazy_itable_init support. So pick the 2311 * right default in case ext4 module is not loaded. 2312 */ 2313 if (is_before_linux_ver(2, 6, 37)) 2314 lazy_itable_init = 0; 2315 else 2316 lazy_itable_init = 1; 2317 2318 if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0) 2319 lazy_itable_init = 1; 2320 2321 lazy_itable_init = get_bool_from_profile(fs_types, 2322 "lazy_itable_init", 2323 lazy_itable_init); 2324 discard = get_bool_from_profile(fs_types, "discard" , discard); 2325 journal_flags |= get_bool_from_profile(fs_types, 2326 "lazy_journal_init", 0) ? 2327 EXT2_MKJOURNAL_LAZYINIT : 0; 2328 journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK; 2329 2330 if (!journal_location_string) 2331 journal_location_string = get_string_from_profile(fs_types, 2332 "journal_location", ""); 2333 if ((journal_location == ~0ULL) && journal_location_string && 2334 *journal_location_string) 2335 journal_location = parse_num_blocks2(journal_location_string, 2336 fs_param.s_log_block_size); 2337 free(journal_location_string); 2338 2339 packed_meta_blocks = get_bool_from_profile(fs_types, 2340 "packed_meta_blocks", 0); 2341 if (packed_meta_blocks) 2342 journal_location = 0; 2343 2344 /* Get options from profile */ 2345 for (cpp = fs_types; *cpp; cpp++) { 2346 tmp = NULL; 2347 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp); 2348 if (tmp && *tmp) 2349 parse_extended_opts(&fs_param, tmp); 2350 free(tmp); 2351 } 2352 2353 if (extended_opts) 2354 parse_extended_opts(&fs_param, extended_opts); 2355 2356 if (explicit_fssize == 0 && offset > 0) { 2357 fs_blocks_count -= offset / EXT2_BLOCK_SIZE(&fs_param); 2358 ext2fs_blocks_count_set(&fs_param, fs_blocks_count); 2359 fprintf(stderr, 2360 _("\nWarning: offset specified without an " 2361 "explicit file system size.\n" 2362 "Creating a file system with %llu blocks " 2363 "but this might\n" 2364 "not be what you want.\n\n"), 2365 (unsigned long long) fs_blocks_count); 2366 } 2367 2368 if (quotatype_bits & QUOTA_PRJ_BIT) 2369 ext2fs_set_feature_project(&fs_param); 2370 2371 if (ext2fs_has_feature_project(&fs_param)) { 2372 quotatype_bits |= QUOTA_PRJ_BIT; 2373 if (inode_size == EXT2_GOOD_OLD_INODE_SIZE) { 2374 com_err(program_name, 0, 2375 _("%d byte inodes are too small for " 2376 "project quota"), 2377 inode_size); 2378 exit(1); 2379 } 2380 if (inode_size == 0) { 2381 inode_size = get_int_from_profile(fs_types, 2382 "inode_size", 0); 2383 if (inode_size <= EXT2_GOOD_OLD_INODE_SIZE*2) 2384 inode_size = EXT2_GOOD_OLD_INODE_SIZE*2; 2385 } 2386 } 2387 2388 /* Don't allow user to set both metadata_csum and uninit_bg bits. */ 2389 if (ext2fs_has_feature_metadata_csum(&fs_param) && 2390 ext2fs_has_feature_gdt_csum(&fs_param)) 2391 ext2fs_clear_feature_gdt_csum(&fs_param); 2392 2393 /* Can't support bigalloc feature without extents feature */ 2394 if (ext2fs_has_feature_bigalloc(&fs_param) && 2395 !ext2fs_has_feature_extents(&fs_param)) { 2396 com_err(program_name, 0, "%s", 2397 _("Can't support bigalloc feature without " 2398 "extents feature")); 2399 exit(1); 2400 } 2401 2402 if (ext2fs_has_feature_meta_bg(&fs_param) && 2403 ext2fs_has_feature_resize_inode(&fs_param)) { 2404 fprintf(stderr, "%s", _("The resize_inode and meta_bg " 2405 "features are not compatible.\n" 2406 "They can not be both enabled " 2407 "simultaneously.\n")); 2408 exit(1); 2409 } 2410 2411 if (!quiet && ext2fs_has_feature_bigalloc(&fs_param)) 2412 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is " 2413 "still under development\n" 2414 "See https://ext4.wiki.kernel.org/" 2415 "index.php/Bigalloc for more information\n\n")); 2416 2417 /* 2418 * Since sparse_super is the default, we would only have a problem 2419 * here if it was explicitly disabled. 2420 */ 2421 if (ext2fs_has_feature_resize_inode(&fs_param) && 2422 !ext2fs_has_feature_sparse_super(&fs_param)) { 2423 com_err(program_name, 0, "%s", 2424 _("reserved online resize blocks not supported " 2425 "on non-sparse filesystem")); 2426 exit(1); 2427 } 2428 2429 if (fs_param.s_blocks_per_group) { 2430 if (fs_param.s_blocks_per_group < 256 || 2431 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { 2432 com_err(program_name, 0, "%s", 2433 _("blocks per group count out of range")); 2434 exit(1); 2435 } 2436 } 2437 2438 /* 2439 * If the bigalloc feature is enabled, then the -g option will 2440 * specify the number of clusters per group. 2441 */ 2442 if (ext2fs_has_feature_bigalloc(&fs_param)) { 2443 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group; 2444 fs_param.s_blocks_per_group = 0; 2445 } 2446 2447 if (inode_size == 0) 2448 inode_size = get_int_from_profile(fs_types, "inode_size", 0); 2449 if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param)) 2450 flex_bg_size = get_uint_from_profile(fs_types, 2451 "flex_bg_size", 16); 2452 if (flex_bg_size) { 2453 if (!ext2fs_has_feature_flex_bg(&fs_param)) { 2454 com_err(program_name, 0, "%s", 2455 _("Flex_bg feature not enabled, so " 2456 "flex_bg size may not be specified")); 2457 exit(1); 2458 } 2459 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size); 2460 } 2461 2462 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { 2463 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || 2464 inode_size > EXT2_BLOCK_SIZE(&fs_param) || 2465 inode_size & (inode_size - 1)) { 2466 com_err(program_name, 0, 2467 _("invalid inode size %d (min %d/max %d)"), 2468 inode_size, EXT2_GOOD_OLD_INODE_SIZE, 2469 blocksize); 2470 exit(1); 2471 } 2472 fs_param.s_inode_size = inode_size; 2473 } 2474 2475 /* 2476 * If inode size is 128 and inline data is enabled, we need 2477 * to notify users that inline data will never be useful. 2478 */ 2479 if (ext2fs_has_feature_inline_data(&fs_param) && 2480 fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) { 2481 com_err(program_name, 0, 2482 _("%d byte inodes are too small for inline data; " 2483 "specify larger size"), 2484 fs_param.s_inode_size); 2485 exit(1); 2486 } 2487 2488 /* Make sure number of inodes specified will fit in 32 bits */ 2489 if (num_inodes == 0) { 2490 unsigned long long n; 2491 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio; 2492 if (n > MAX_32_NUM) { 2493 if (ext2fs_has_feature_64bit(&fs_param)) 2494 num_inodes = MAX_32_NUM; 2495 else { 2496 com_err(program_name, 0, 2497 _("too many inodes (%llu), raise " 2498 "inode ratio?"), n); 2499 exit(1); 2500 } 2501 } 2502 } else if (num_inodes > MAX_32_NUM) { 2503 com_err(program_name, 0, 2504 _("too many inodes (%llu), specify < 2^32 inodes"), 2505 num_inodes); 2506 exit(1); 2507 } 2508 /* 2509 * Calculate number of inodes based on the inode ratio 2510 */ 2511 fs_param.s_inodes_count = num_inodes ? num_inodes : 2512 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio; 2513 2514 if ((((unsigned long long)fs_param.s_inodes_count) * 2515 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= 2516 ((ext2fs_blocks_count(&fs_param)) * 2517 EXT2_BLOCK_SIZE(&fs_param))) { 2518 com_err(program_name, 0, _("inode_size (%u) * inodes_count " 2519 "(%u) too big for a\n\t" 2520 "filesystem with %llu blocks, " 2521 "specify higher inode_ratio (-i)\n\t" 2522 "or lower inode count (-N).\n"), 2523 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, 2524 fs_param.s_inodes_count, 2525 (unsigned long long) ext2fs_blocks_count(&fs_param)); 2526 exit(1); 2527 } 2528 2529 /* 2530 * Calculate number of blocks to reserve 2531 */ 2532 ext2fs_r_blocks_count_set(&fs_param, reserved_ratio * 2533 ext2fs_blocks_count(&fs_param) / 100.0); 2534 2535 if (ext2fs_has_feature_sparse_super2(&fs_param)) { 2536 if (num_backups >= 1) 2537 fs_param.s_backup_bgs[0] = 1; 2538 if (num_backups >= 2) 2539 fs_param.s_backup_bgs[1] = ~0; 2540 } 2541 2542 free(fs_type); 2543 free(usage_types); 2544 } 2545 2546 static int should_do_undo(const char *name) 2547 { 2548 errcode_t retval; 2549 io_channel channel; 2550 __u16 s_magic; 2551 struct ext2_super_block super; 2552 io_manager manager = unix_io_manager; 2553 int csum_flag, force_undo; 2554 2555 csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) || 2556 ext2fs_has_feature_gdt_csum(&fs_param); 2557 force_undo = get_int_from_profile(fs_types, "force_undo", 0); 2558 if (!force_undo && (!csum_flag || !lazy_itable_init)) 2559 return 0; 2560 2561 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel); 2562 if (retval) { 2563 /* 2564 * We don't handle error cases instead we 2565 * declare that the file system doesn't exist 2566 * and let the rest of mke2fs take care of 2567 * error 2568 */ 2569 retval = 0; 2570 goto open_err_out; 2571 } 2572 2573 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET); 2574 retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super); 2575 if (retval) { 2576 retval = 0; 2577 goto err_out; 2578 } 2579 2580 #if defined(WORDS_BIGENDIAN) 2581 s_magic = ext2fs_swab16(super.s_magic); 2582 #else 2583 s_magic = super.s_magic; 2584 #endif 2585 2586 if (s_magic == EXT2_SUPER_MAGIC) 2587 retval = 1; 2588 2589 err_out: 2590 io_channel_close(channel); 2591 2592 open_err_out: 2593 2594 return retval; 2595 } 2596 2597 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr) 2598 { 2599 errcode_t retval = ENOMEM; 2600 char *tdb_dir = NULL, *tdb_file = NULL; 2601 char *dev_name, *tmp_name; 2602 int free_tdb_dir = 0; 2603 2604 /* (re)open a specific undo file */ 2605 if (undo_file && undo_file[0] != 0) { 2606 retval = set_undo_io_backing_manager(*io_ptr); 2607 if (retval) 2608 goto err; 2609 *io_ptr = undo_io_manager; 2610 retval = set_undo_io_backup_file(undo_file); 2611 if (retval) 2612 goto err; 2613 printf(_("Overwriting existing filesystem; this can be undone " 2614 "using the command:\n" 2615 " e2undo %s %s\n\n"), undo_file, name); 2616 return retval; 2617 } 2618 2619 /* 2620 * Configuration via a conf file would be 2621 * nice 2622 */ 2623 tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); 2624 if (!tdb_dir) { 2625 profile_get_string(profile, "defaults", 2626 "undo_dir", 0, "/var/lib/e2fsprogs", 2627 &tdb_dir); 2628 free_tdb_dir = 1; 2629 } 2630 2631 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || 2632 access(tdb_dir, W_OK)) { 2633 if (free_tdb_dir) 2634 free(tdb_dir); 2635 return 0; 2636 } 2637 2638 tmp_name = strdup(name); 2639 if (!tmp_name) 2640 goto errout; 2641 dev_name = basename(tmp_name); 2642 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1); 2643 if (!tdb_file) { 2644 free(tmp_name); 2645 goto errout; 2646 } 2647 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name); 2648 free(tmp_name); 2649 2650 if ((unlink(tdb_file) < 0) && (errno != ENOENT)) { 2651 retval = errno; 2652 com_err(program_name, retval, 2653 _("while trying to delete %s"), tdb_file); 2654 goto errout; 2655 } 2656 2657 retval = set_undo_io_backing_manager(*io_ptr); 2658 if (retval) 2659 goto errout; 2660 *io_ptr = undo_io_manager; 2661 retval = set_undo_io_backup_file(tdb_file); 2662 if (retval) 2663 goto errout; 2664 printf(_("Overwriting existing filesystem; this can be undone " 2665 "using the command:\n" 2666 " e2undo %s %s\n\n"), tdb_file, name); 2667 2668 if (free_tdb_dir) 2669 free(tdb_dir); 2670 free(tdb_file); 2671 return 0; 2672 2673 errout: 2674 if (free_tdb_dir) 2675 free(tdb_dir); 2676 free(tdb_file); 2677 err: 2678 com_err(program_name, retval, "%s", 2679 _("while trying to setup undo file\n")); 2680 return retval; 2681 } 2682 2683 static int mke2fs_discard_device(ext2_filsys fs) 2684 { 2685 struct ext2fs_numeric_progress_struct progress; 2686 blk64_t blocks = ext2fs_blocks_count(fs->super); 2687 blk64_t count = DISCARD_STEP_MB; 2688 blk64_t cur; 2689 int retval = 0; 2690 2691 /* 2692 * Let's try if discard really works on the device, so 2693 * we do not print numeric progress resulting in failure 2694 * afterwards. 2695 */ 2696 retval = io_channel_discard(fs->io, 0, fs->blocksize); 2697 if (retval) 2698 return retval; 2699 cur = fs->blocksize; 2700 2701 count *= (1024 * 1024); 2702 count /= fs->blocksize; 2703 2704 ext2fs_numeric_progress_init(fs, &progress, 2705 _("Discarding device blocks: "), 2706 blocks); 2707 while (cur < blocks) { 2708 ext2fs_numeric_progress_update(fs, &progress, cur); 2709 2710 if (cur + count > blocks) 2711 count = blocks - cur; 2712 2713 retval = io_channel_discard(fs->io, cur, count); 2714 if (retval) 2715 break; 2716 cur += count; 2717 } 2718 2719 if (retval) { 2720 ext2fs_numeric_progress_close(fs, &progress, 2721 _("failed - ")); 2722 if (!quiet) 2723 printf("%s\n",error_message(retval)); 2724 } else 2725 ext2fs_numeric_progress_close(fs, &progress, 2726 _("done \n")); 2727 2728 return retval; 2729 } 2730 2731 static void fix_cluster_bg_counts(ext2_filsys fs) 2732 { 2733 blk64_t block, num_blocks, last_block, next; 2734 blk64_t tot_free = 0; 2735 errcode_t retval; 2736 dgrp_t group = 0; 2737 int grp_free = 0; 2738 2739 num_blocks = ext2fs_blocks_count(fs->super); 2740 last_block = ext2fs_group_last_block2(fs, group); 2741 block = fs->super->s_first_data_block; 2742 while (block < num_blocks) { 2743 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map, 2744 block, last_block, &next); 2745 if (retval == 0) 2746 block = next; 2747 else { 2748 block = last_block + 1; 2749 goto next_bg; 2750 } 2751 2752 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map, 2753 block, last_block, &next); 2754 if (retval) 2755 next = last_block + 1; 2756 grp_free += EXT2FS_NUM_B2C(fs, next - block); 2757 tot_free += next - block; 2758 block = next; 2759 2760 if (block > last_block) { 2761 next_bg: 2762 ext2fs_bg_free_blocks_count_set(fs, group, grp_free); 2763 ext2fs_group_desc_csum_set(fs, group); 2764 grp_free = 0; 2765 group++; 2766 last_block = ext2fs_group_last_block2(fs, group); 2767 } 2768 } 2769 ext2fs_free_blocks_count_set(fs->super, tot_free); 2770 } 2771 2772 static int create_quota_inodes(ext2_filsys fs) 2773 { 2774 quota_ctx_t qctx; 2775 errcode_t retval; 2776 2777 retval = quota_init_context(&qctx, fs, quotatype_bits); 2778 if (retval) { 2779 com_err(program_name, retval, 2780 _("while initializing quota context")); 2781 exit(1); 2782 } 2783 quota_compute_usage(qctx); 2784 retval = quota_write_inode(qctx, quotatype_bits); 2785 if (retval) { 2786 com_err(program_name, retval, 2787 _("while writing quota inodes")); 2788 exit(1); 2789 } 2790 quota_release_context(&qctx); 2791 2792 return 0; 2793 } 2794 2795 static errcode_t set_error_behavior(ext2_filsys fs) 2796 { 2797 char *arg = NULL; 2798 short errors = fs->super->s_errors; 2799 2800 arg = get_string_from_profile(fs_types, "errors", NULL); 2801 if (arg == NULL) 2802 goto try_user; 2803 2804 if (strcmp(arg, "continue") == 0) 2805 errors = EXT2_ERRORS_CONTINUE; 2806 else if (strcmp(arg, "remount-ro") == 0) 2807 errors = EXT2_ERRORS_RO; 2808 else if (strcmp(arg, "panic") == 0) 2809 errors = EXT2_ERRORS_PANIC; 2810 else { 2811 com_err(program_name, 0, 2812 _("bad error behavior in profile - %s"), 2813 arg); 2814 free(arg); 2815 return EXT2_ET_INVALID_ARGUMENT; 2816 } 2817 free(arg); 2818 2819 try_user: 2820 if (errors_behavior) 2821 errors = errors_behavior; 2822 2823 fs->super->s_errors = errors; 2824 return 0; 2825 } 2826 2827 int main (int argc, char *argv[]) 2828 { 2829 errcode_t retval = 0; 2830 ext2_filsys fs; 2831 badblocks_list bb_list = 0; 2832 unsigned int journal_blocks = 0; 2833 unsigned int i, checkinterval; 2834 int max_mnt_count; 2835 int val, hash_alg; 2836 int flags; 2837 int old_bitmaps; 2838 io_manager io_ptr; 2839 char opt_string[40]; 2840 char *hash_alg_str; 2841 int itable_zeroed = 0; 2842 2843 #ifdef ENABLE_NLS 2844 setlocale(LC_MESSAGES, ""); 2845 setlocale(LC_CTYPE, ""); 2846 bindtextdomain(NLS_CAT_NAME, LOCALEDIR); 2847 textdomain(NLS_CAT_NAME); 2848 set_com_err_gettext(gettext); 2849 #endif 2850 PRS(argc, argv); 2851 2852 #ifdef CONFIG_TESTIO_DEBUG 2853 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { 2854 io_ptr = test_io_manager; 2855 test_io_backing_manager = unix_io_manager; 2856 } else 2857 #endif 2858 io_ptr = unix_io_manager; 2859 2860 if (undo_file != NULL || should_do_undo(device_name)) { 2861 retval = mke2fs_setup_tdb(device_name, &io_ptr); 2862 if (retval) 2863 exit(1); 2864 } 2865 2866 /* 2867 * Initialize the superblock.... 2868 */ 2869 flags = EXT2_FLAG_EXCLUSIVE; 2870 if (direct_io) 2871 flags |= EXT2_FLAG_DIRECT_IO; 2872 profile_get_boolean(profile, "options", "old_bitmaps", 0, 0, 2873 &old_bitmaps); 2874 if (!old_bitmaps) 2875 flags |= EXT2_FLAG_64BITS; 2876 /* 2877 * By default, we print how many inode tables or block groups 2878 * or whatever we've written so far. The quiet flag disables 2879 * this, along with a lot of other output. 2880 */ 2881 if (!quiet) 2882 flags |= EXT2_FLAG_PRINT_PROGRESS; 2883 if (android_sparse_file) { 2884 char *android_sparse_params = malloc(strlen(device_name) + 48); 2885 2886 if (!android_sparse_params) { 2887 com_err(program_name, ENOMEM, "%s", 2888 _("in malloc for android_sparse_params")); 2889 exit(1); 2890 } 2891 sprintf(android_sparse_params, "(%s):%u:%u", 2892 device_name, fs_param.s_blocks_count, 2893 1024 << fs_param.s_log_block_size); 2894 retval = ext2fs_initialize(android_sparse_params, flags, 2895 &fs_param, sparse_io_manager, &fs); 2896 free(android_sparse_params); 2897 } else 2898 retval = ext2fs_initialize(device_name, flags, &fs_param, 2899 io_ptr, &fs); 2900 if (retval) { 2901 com_err(device_name, retval, "%s", 2902 _("while setting up superblock")); 2903 exit(1); 2904 } 2905 fs->progress_ops = &ext2fs_numeric_progress_ops; 2906 2907 /* Set the error behavior */ 2908 retval = set_error_behavior(fs); 2909 if (retval) 2910 usage(); 2911 2912 /* Check the user's mkfs options for metadata checksumming */ 2913 if (!quiet && 2914 !ext2fs_has_feature_journal_dev(fs->super) && 2915 ext2fs_has_feature_metadata_csum(fs->super)) { 2916 if (!ext2fs_has_feature_extents(fs->super)) 2917 printf("%s", 2918 _("Extents are not enabled. The file extent " 2919 "tree can be checksummed, whereas block maps " 2920 "cannot. Not enabling extents reduces the " 2921 "coverage of metadata checksumming. " 2922 "Pass -O extents to rectify.\n")); 2923 if (!ext2fs_has_feature_64bit(fs->super)) 2924 printf("%s", 2925 _("64-bit filesystem support is not enabled. " 2926 "The larger fields afforded by this feature " 2927 "enable full-strength checksumming. " 2928 "Pass -O 64bit to rectify.\n")); 2929 } 2930 2931 if (ext2fs_has_feature_csum_seed(fs->super) && 2932 !ext2fs_has_feature_metadata_csum(fs->super)) { 2933 printf("%s", _("The metadata_csum_seed feature " 2934 "requires the metadata_csum feature.\n")); 2935 exit(1); 2936 } 2937 2938 /* Calculate journal blocks */ 2939 if (!journal_device && ((journal_size) || 2940 ext2fs_has_feature_journal(&fs_param))) 2941 journal_blocks = figure_journal_size(journal_size, fs); 2942 2943 sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? 2944 32768 : fs->blocksize * 8); 2945 io_channel_set_options(fs->io, opt_string); 2946 if (offset) { 2947 sprintf(opt_string, "offset=%llu", offset); 2948 io_channel_set_options(fs->io, opt_string); 2949 } 2950 2951 /* Can't undo discard ... */ 2952 if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) { 2953 retval = mke2fs_discard_device(fs); 2954 if (!retval && io_channel_discard_zeroes_data(fs->io)) { 2955 if (verbose) 2956 printf("%s", 2957 _("Discard succeeded and will return " 2958 "0s - skipping inode table wipe\n")); 2959 lazy_itable_init = 1; 2960 itable_zeroed = 1; 2961 zero_hugefile = 0; 2962 } 2963 } 2964 2965 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) 2966 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; 2967 2968 if (ext2fs_has_feature_flex_bg(&fs_param) || 2969 ext2fs_has_feature_huge_file(&fs_param) || 2970 ext2fs_has_feature_gdt_csum(&fs_param) || 2971 ext2fs_has_feature_dir_nlink(&fs_param) || 2972 ext2fs_has_feature_metadata_csum(&fs_param) || 2973 ext2fs_has_feature_extra_isize(&fs_param)) 2974 fs->super->s_kbytes_written = 1; 2975 2976 /* 2977 * Wipe out the old on-disk superblock 2978 */ 2979 if (!noaction) 2980 zap_sector(fs, 2, 6); 2981 2982 /* 2983 * Parse or generate a UUID for the filesystem 2984 */ 2985 if (fs_uuid) { 2986 if ((strcasecmp(fs_uuid, "null") == 0) || 2987 (strcasecmp(fs_uuid, "clear") == 0)) { 2988 uuid_clear(fs->super->s_uuid); 2989 } else if (strcasecmp(fs_uuid, "time") == 0) { 2990 uuid_generate_time(fs->super->s_uuid); 2991 } else if (strcasecmp(fs_uuid, "random") == 0) { 2992 uuid_generate(fs->super->s_uuid); 2993 } else if (uuid_parse(fs_uuid, fs->super->s_uuid) != 0) { 2994 com_err(device_name, 0, "could not parse UUID: %s\n", 2995 fs_uuid); 2996 exit(1); 2997 } 2998 } else 2999 uuid_generate(fs->super->s_uuid); 3000 3001 if (ext2fs_has_feature_csum_seed(fs->super)) 3002 fs->super->s_checksum_seed = ext2fs_crc32c_le(~0, 3003 fs->super->s_uuid, sizeof(fs->super->s_uuid)); 3004 3005 ext2fs_init_csum_seed(fs); 3006 3007 /* 3008 * Initialize the directory index variables 3009 */ 3010 hash_alg_str = get_string_from_profile(fs_types, "hash_alg", 3011 "half_md4"); 3012 hash_alg = e2p_string2hash(hash_alg_str); 3013 free(hash_alg_str); 3014 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg : 3015 EXT2_HASH_HALF_MD4; 3016 3017 if (memcmp(fs_param.s_hash_seed, zero_buf, 3018 sizeof(fs_param.s_hash_seed)) != 0) { 3019 memcpy(fs->super->s_hash_seed, fs_param.s_hash_seed, 3020 sizeof(fs->super->s_hash_seed)); 3021 } else 3022 uuid_generate((unsigned char *) fs->super->s_hash_seed); 3023 3024 /* 3025 * Periodic checks can be enabled/disabled via config file. 3026 * Note we override the kernel include file's idea of what the default 3027 * check interval (never) should be. It's a good idea to check at 3028 * least *occasionally*, specially since servers will never rarely get 3029 * to reboot, since Linux is so robust these days. :-) 3030 * 3031 * 180 days (six months) seems like a good value. 3032 */ 3033 #ifdef EXT2_DFL_CHECKINTERVAL 3034 #undef EXT2_DFL_CHECKINTERVAL 3035 #endif 3036 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L) 3037 3038 if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) { 3039 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL; 3040 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT; 3041 /* 3042 * Add "jitter" to the superblock's check interval so that we 3043 * don't check all the filesystems at the same time. We use a 3044 * kludgy hack of using the UUID to derive a random jitter value 3045 */ 3046 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) 3047 val += fs->super->s_uuid[i]; 3048 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; 3049 } else 3050 fs->super->s_max_mnt_count = -1; 3051 3052 /* 3053 * Override the creator OS, if applicable 3054 */ 3055 if (creator_os && !set_os(fs->super, creator_os)) { 3056 com_err (program_name, 0, _("unknown os - %s"), creator_os); 3057 exit(1); 3058 } 3059 3060 /* 3061 * For the Hurd, we will turn off filetype since it doesn't 3062 * support it. 3063 */ 3064 if (fs->super->s_creator_os == EXT2_OS_HURD) 3065 ext2fs_clear_feature_filetype(fs->super); 3066 3067 /* 3068 * Set the volume label... 3069 */ 3070 if (volume_label) { 3071 memset(fs->super->s_volume_name, 0, 3072 sizeof(fs->super->s_volume_name)); 3073 strncpy(fs->super->s_volume_name, volume_label, 3074 sizeof(fs->super->s_volume_name)); 3075 } 3076 3077 /* 3078 * Set the last mount directory 3079 */ 3080 if (mount_dir) { 3081 memset(fs->super->s_last_mounted, 0, 3082 sizeof(fs->super->s_last_mounted)); 3083 strncpy(fs->super->s_last_mounted, mount_dir, 3084 sizeof(fs->super->s_last_mounted)); 3085 } 3086 3087 /* Set current default encryption algorithms for data and 3088 * filename encryption */ 3089 if (ext2fs_has_feature_encrypt(fs->super)) { 3090 fs->super->s_encrypt_algos[0] = 3091 EXT4_ENCRYPTION_MODE_AES_256_XTS; 3092 fs->super->s_encrypt_algos[1] = 3093 EXT4_ENCRYPTION_MODE_AES_256_CTS; 3094 } 3095 3096 if (ext2fs_has_feature_metadata_csum(fs->super)) 3097 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM; 3098 3099 if (!quiet || noaction) 3100 show_stats(fs); 3101 3102 if (noaction) 3103 exit(0); 3104 3105 if (ext2fs_has_feature_journal_dev(fs->super)) { 3106 create_journal_dev(fs); 3107 printf("\n"); 3108 exit(ext2fs_close_free(&fs) ? 1 : 0); 3109 } 3110 3111 if (bad_blocks_filename) 3112 read_bb_file(fs, &bb_list, bad_blocks_filename); 3113 if (cflag) 3114 test_disk(fs, &bb_list); 3115 handle_bad_blocks(fs, bb_list); 3116 3117 fs->stride = fs_stride = fs->super->s_raid_stride; 3118 if (!quiet) 3119 printf("%s", _("Allocating group tables: ")); 3120 if (ext2fs_has_feature_flex_bg(fs->super) && 3121 packed_meta_blocks) 3122 retval = packed_allocate_tables(fs); 3123 else 3124 retval = ext2fs_allocate_tables(fs); 3125 if (retval) { 3126 com_err(program_name, retval, "%s", 3127 _("while trying to allocate filesystem tables")); 3128 exit(1); 3129 } 3130 if (!quiet) 3131 printf("%s", _("done \n")); 3132 3133 retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map); 3134 if (retval) { 3135 com_err(program_name, retval, "%s", 3136 _("\n\twhile converting subcluster bitmap")); 3137 exit(1); 3138 } 3139 3140 if (super_only) { 3141 check_plausibility(device_name, CHECK_FS_EXIST, NULL); 3142 printf(_("%s may be further corrupted by superblock rewrite\n"), 3143 device_name); 3144 if (!force) 3145 proceed_question(proceed_delay); 3146 fs->super->s_state |= EXT2_ERROR_FS; 3147 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); 3148 /* 3149 * The command "mke2fs -S" is used to recover 3150 * corrupted file systems, so do not mark any of the 3151 * inodes as unused; we want e2fsck to consider all 3152 * inodes as potentially containing recoverable data. 3153 */ 3154 if (ext2fs_has_group_desc_csum(fs)) { 3155 for (i = 0; i < fs->group_desc_count; i++) 3156 ext2fs_bg_itable_unused_set(fs, i, 0); 3157 } 3158 } else { 3159 /* rsv must be a power of two (64kB is MD RAID sb alignment) */ 3160 blk64_t rsv = 65536 / fs->blocksize; 3161 blk64_t blocks = ext2fs_blocks_count(fs->super); 3162 blk64_t start; 3163 blk64_t ret_blk; 3164 3165 #ifdef ZAP_BOOTBLOCK 3166 zap_sector(fs, 0, 2); 3167 #endif 3168 3169 /* 3170 * Wipe out any old MD RAID (or other) metadata at the end 3171 * of the device. This will also verify that the device is 3172 * as large as we think. Be careful with very small devices. 3173 */ 3174 start = (blocks & ~(rsv - 1)); 3175 if (start > rsv) 3176 start -= rsv; 3177 if (start > 0) 3178 retval = ext2fs_zero_blocks2(fs, start, blocks - start, 3179 &ret_blk, NULL); 3180 3181 if (retval) { 3182 com_err(program_name, retval, 3183 _("while zeroing block %llu at end of filesystem"), 3184 ret_blk); 3185 } 3186 write_inode_tables(fs, lazy_itable_init, itable_zeroed); 3187 create_root_dir(fs); 3188 create_lost_and_found(fs); 3189 reserve_inodes(fs); 3190 create_bad_block_inode(fs, bb_list); 3191 if (ext2fs_has_feature_resize_inode(fs->super)) { 3192 retval = ext2fs_create_resize_inode(fs); 3193 if (retval) { 3194 com_err("ext2fs_create_resize_inode", retval, 3195 "%s", 3196 _("while reserving blocks for online resize")); 3197 exit(1); 3198 } 3199 } 3200 } 3201 3202 if (journal_device) { 3203 ext2_filsys jfs; 3204 3205 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV, 3206 NULL) && !force) 3207 proceed_question(proceed_delay); 3208 check_mount(journal_device, force, _("journal")); 3209 3210 retval = ext2fs_open(journal_device, EXT2_FLAG_RW| 3211 EXT2_FLAG_JOURNAL_DEV_OK, 0, 3212 fs->blocksize, unix_io_manager, &jfs); 3213 if (retval) { 3214 com_err(program_name, retval, 3215 _("while trying to open journal device %s\n"), 3216 journal_device); 3217 exit(1); 3218 } 3219 if (!quiet) { 3220 printf(_("Adding journal to device %s: "), 3221 journal_device); 3222 fflush(stdout); 3223 } 3224 retval = ext2fs_add_journal_device(fs, jfs); 3225 if(retval) { 3226 com_err (program_name, retval, 3227 _("\n\twhile trying to add journal to device %s"), 3228 journal_device); 3229 exit(1); 3230 } 3231 if (!quiet) 3232 printf("%s", _("done\n")); 3233 ext2fs_close_free(&jfs); 3234 free(journal_device); 3235 } else if ((journal_size) || 3236 ext2fs_has_feature_journal(&fs_param)) { 3237 if (super_only) { 3238 printf("%s", _("Skipping journal creation in super-only mode\n")); 3239 fs->super->s_journal_inum = EXT2_JOURNAL_INO; 3240 goto no_journal; 3241 } 3242 3243 if (!journal_blocks) { 3244 ext2fs_clear_feature_journal(fs->super); 3245 goto no_journal; 3246 } 3247 if (!quiet) { 3248 printf(_("Creating journal (%u blocks): "), 3249 journal_blocks); 3250 fflush(stdout); 3251 } 3252 retval = ext2fs_add_journal_inode2(fs, journal_blocks, 3253 journal_location, 3254 journal_flags); 3255 if (retval) { 3256 com_err(program_name, retval, "%s", 3257 _("\n\twhile trying to create journal")); 3258 exit(1); 3259 } 3260 if (!quiet) 3261 printf("%s", _("done\n")); 3262 } 3263 no_journal: 3264 if (!super_only && 3265 ext2fs_has_feature_mmp(fs->super)) { 3266 retval = ext2fs_mmp_init(fs); 3267 if (retval) { 3268 fprintf(stderr, "%s", 3269 _("\nError while enabling multiple " 3270 "mount protection feature.")); 3271 exit(1); 3272 } 3273 if (!quiet) 3274 printf(_("Multiple mount protection is enabled " 3275 "with update interval %d seconds.\n"), 3276 fs->super->s_mmp_update_interval); 3277 } 3278 3279 if (ext2fs_has_feature_bigalloc(&fs_param)) 3280 fix_cluster_bg_counts(fs); 3281 if (ext2fs_has_feature_quota(&fs_param)) 3282 create_quota_inodes(fs); 3283 3284 retval = mk_hugefiles(fs, device_name); 3285 if (retval) 3286 com_err(program_name, retval, "while creating huge files"); 3287 /* Copy files from the specified directory */ 3288 if (src_root_dir) { 3289 if (!quiet) 3290 printf("%s", _("Copying files into the device: ")); 3291 3292 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir, 3293 EXT2_ROOT_INO); 3294 if (retval) { 3295 com_err(program_name, retval, "%s", 3296 _("while populating file system")); 3297 exit(1); 3298 } else if (!quiet) 3299 printf("%s", _("done\n")); 3300 } 3301 3302 if (!quiet) 3303 printf("%s", _("Writing superblocks and " 3304 "filesystem accounting information: ")); 3305 checkinterval = fs->super->s_checkinterval; 3306 max_mnt_count = fs->super->s_max_mnt_count; 3307 retval = ext2fs_close_free(&fs); 3308 if (retval) { 3309 com_err(program_name, retval, "%s", 3310 _("while writing out and closing file system")); 3311 retval = 1; 3312 } else if (!quiet) { 3313 printf("%s", _("done\n\n")); 3314 if (!getenv("MKE2FS_SKIP_CHECK_MSG")) 3315 print_check_message(max_mnt_count, checkinterval); 3316 } 3317 3318 remove_error_table(&et_ext2_error_table); 3319 remove_error_table(&et_prof_error_table); 3320 profile_release(profile); 3321 for (i=0; fs_types[i]; i++) 3322 free(fs_types[i]); 3323 free(fs_types); 3324 return retval; 3325 } 3326