2 * mke2fs.c - Make a ext2fs filesystem.
4 * Copyright (C) 1994, 1995, 1996, 1997 Theodore Ts'o.
7 * This file may be redistributed under the terms of the GNU Public
12 /* Usage: mke2fs [options] device
14 * The device may be a block device or a image of one, but this isn't
15 * enforced (but it's not much fun on a character device :-).
24 #include <sys/utsname.h>
44 #include <sys/ioctl.h>
45 #include <sys/types.h>
47 #include <linux/ext2_fs.h>
49 #include "et/com_err.h"
50 #include "uuid/uuid.h"
52 #include "ext2fs/ext2fs.h"
54 #include "../version.h"
55 #include "nls-enable.h"
57 #define STRIDE_LENGTH 8
63 extern int isatty(int);
64 extern FILE *fpopen(const char *cmd, const char *mode);
66 const char * program_name = "mke2fs";
67 const char * device_name /* = NULL */;
69 /* Command line options */
78 char *bad_blocks_filename;
81 struct ext2_super_block param;
86 int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
88 static void usage(void)
90 fprintf(stderr, _("Usage: %s [-c|-t|-l filename] [-b block-size] "
91 "[-f fragment-size]\n\t[-i bytes-per-inode] [-j] [-J journal-options]"
92 " [-N number-of-inodes]\n\t[-m reserved-blocks-percentage] "
93 "[-o creator-os] [-g blocks-per-group]\n\t[-L volume-label] "
94 "[-M last-mounted-directory] [-O feature[,...]]\n\t"
95 "[-r fs-revision] [-R raid_opts] [-qvSV] device [blocks-count]\n"),
100 static int int_log2(int arg)
112 static int int_log10(unsigned int arg)
122 * This function sets the default parameters for a filesystem
124 * The type is specified by the user. The size is the maximum size
125 * (in megabytes) for which a set of parameters applies, with a size
126 * of zero meaning that it is the default parameter for the type.
127 * Note that order is important in the table below.
129 static char default_str[] = "default";
130 struct mke2fs_defaults {
136 { default_str, 0, 4096, 8192 },
137 { default_str, 512, 1024, 4096 },
138 { default_str, 3, 1024, 8192 },
139 { "journal", 0, 4096, 8192 },
140 { "news", 0, 4096, 4096 },
141 { "largefile", 0, 4096, 1024 * 1024 },
142 { "largefile4", 0, 4096, 4096 * 1024 },
146 static void set_fs_defaults(char *fs_type, struct ext2_super_block *super,
147 int blocksize, int *inode_ratio)
151 struct mke2fs_defaults *p;
153 megs = (super->s_blocks_count * (EXT2_BLOCK_SIZE(super) / 1024) /
156 ratio = *inode_ratio;
158 fs_type = default_str;
159 for (p = settings; p->type; p++) {
160 if ((strcmp(p->type, fs_type) != 0) &&
161 (strcmp(p->type, default_str) != 0))
163 if ((p->size != 0) &&
167 *inode_ratio = p->inode_ratio;
168 if (blocksize == 0) {
169 super->s_log_frag_size = super->s_log_block_size =
170 int_log2(p->blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
174 super->s_blocks_count /= EXT2_BLOCK_SIZE(super) / 1024;
178 * Helper function for read_bb_file and test_disk
180 static void invalid_block(ext2_filsys fs, blk_t blk)
182 printf(_("Bad block %u out of range; ignored.\n"), blk);
187 * Reads the bad blocks list from a file
189 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
190 const char *bad_blocks_file)
195 f = fopen(bad_blocks_file, "r");
197 com_err("read_bad_blocks_file", errno,
198 _("while trying to open %s"), bad_blocks_file);
201 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
204 com_err("ext2fs_read_bb_FILE", retval,
205 _("while reading in list of bad blocks from file"));
211 * Runs the badblocks program to test the disk
213 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
219 sprintf(buf, "badblocks -b %d %s%s %d", fs->blocksize,
220 quiet ? "" : "-s ", fs->device_name,
221 fs->super->s_blocks_count);
223 printf(_("Running command: %s\n"), buf);
226 com_err("popen", errno,
227 _("while trying run '%s'"), buf);
230 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
233 com_err("ext2fs_read_bb_FILE", retval,
234 _("while processing list of bad blocks from program"));
239 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
244 badblocks_iterate bb_iter;
254 * The primary superblock and group descriptors *must* be
255 * good; if not, abort.
257 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
258 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
259 if (badblocks_list_test(bb_list, i)) {
260 fprintf(stderr, _("Block %d in primary "
261 "superblock/group descriptor area bad.\n"), i);
262 fprintf(stderr, _("Blocks %d through %d must be good "
263 "in order to build a filesystem.\n"),
264 fs->super->s_first_data_block, must_be_good);
265 fprintf(stderr, _("Aborting....\n"));
271 * See if any of the bad blocks are showing up in the backup
272 * superblocks and/or group descriptors. If so, issue a
273 * warning and adjust the block counts appropriately.
275 group_block = fs->super->s_first_data_block +
276 fs->super->s_blocks_per_group;
278 for (i = 1; i < fs->group_desc_count; i++) {
280 for (j=0; j < fs->desc_blocks+1; j++) {
281 if (badblocks_list_test(bb_list, group_block +
285 _("Warning: the backup superblock/group descriptors at block %d contain\n"
289 group = ext2fs_group_of_blk(fs, group_block+j);
290 fs->group_desc[group].bg_free_blocks_count++;
291 fs->super->s_free_blocks_count++;
294 group_block += fs->super->s_blocks_per_group;
298 * Mark all the bad blocks as used...
300 retval = badblocks_list_iterate_begin(bb_list, &bb_iter);
302 com_err("badblocks_list_iterate_begin", retval,
303 _("while marking bad blocks as used"));
306 while (badblocks_list_iterate(bb_iter, &blk))
307 ext2fs_mark_block_bitmap(fs->block_map, blk);
308 badblocks_list_iterate_end(bb_iter);
312 * These functions implement a generalized progress meter.
314 struct progress_struct {
320 static void progress_init(struct progress_struct *progress,
321 char *label,__u32 max)
325 memset(progress, 0, sizeof(struct progress_struct));
330 * Figure out how many digits we need
333 sprintf(progress->format, "%%%dd/%%%dld", i, i);
334 memset(progress->backup, '\b', sizeof(progress->backup)-1);
335 progress->backup[sizeof(progress->backup)-1] = 0;
336 if ((2*i)+1 < sizeof(progress->backup))
337 progress->backup[(2*i)+1] = 0;
340 fputs(label, stdout);
344 static void progress_update(struct progress_struct *progress, __u32 val)
346 if (progress->format[0] == 0)
348 printf(progress->format, val, progress->max);
349 fputs(progress->backup, stdout);
352 static void progress_close(struct progress_struct *progress)
354 if (progress->format[0] == 0)
356 fputs(_("done \n"), stdout);
361 * Helper function which zeros out _num_ blocks starting at _blk_. In
362 * case of an error, the details of the error is returned via _ret_blk_
363 * and _ret_count_ if they are non-NULL pointers. Returns 0 on
364 * success, and an error code on an error.
366 * As a special case, if the first argument is NULL, then it will
367 * attempt to free the static zeroizing buffer. (This is to keep
368 * programs that check for memory leaks happy.)
370 static errcode_t zero_blocks(ext2_filsys fs, blk_t blk, int num,
371 struct progress_struct *progress,
372 blk_t *ret_blk, int *ret_count)
374 int j, count, next_update, next_update_incr;
378 /* If fs is null, clean up the static buffer and return */
386 /* Allocate the zeroizing buffer if necessary */
388 buf = malloc(fs->blocksize * STRIDE_LENGTH);
390 com_err("malloc", ENOMEM,
391 _("while allocating zeroizing buffer"));
394 memset(buf, 0, fs->blocksize * STRIDE_LENGTH);
396 /* OK, do the write loop */
398 next_update_incr = num / 100;
399 if (next_update_incr < 1)
400 next_update_incr = 1;
401 for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) {
402 if (num-j > STRIDE_LENGTH)
403 count = STRIDE_LENGTH;
406 retval = io_channel_write_blk(fs->io, blk, count, buf);
414 if (progress && j > next_update) {
415 next_update += num / 100;
416 progress_update(progress, blk);
422 static void write_inode_tables(ext2_filsys fs)
427 struct progress_struct progress;
430 memset(&progress, 0, sizeof(progress));
432 progress_init(&progress, _("Writing inode tables: "),
433 fs->group_desc_count);
435 for (i = 0; i < fs->group_desc_count; i++) {
436 progress_update(&progress, i);
438 blk = fs->group_desc[i].bg_inode_table;
439 num = fs->inode_blocks_per_group;
441 retval = zero_blocks(fs, blk, num, 0, &blk, &num);
443 printf(_("\nCould not write %d blocks "
444 "in inode table starting at %d: %s\n"),
445 num, blk, error_message(retval));
449 if (sync_kludge == 1)
451 else if ((i % sync_kludge) == 0)
455 zero_blocks(0, 0, 0, 0, 0, 0);
456 progress_close(&progress);
459 static void create_root_dir(ext2_filsys fs)
462 struct ext2_inode inode;
464 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
466 com_err("ext2fs_mkdir", retval, _("while creating root dir"));
470 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
472 com_err("ext2fs_read_inode", retval,
473 _("while reading root inode"));
476 inode.i_uid = getuid();
478 inode.i_gid = getgid();
479 retval = ext2fs_write_inode(fs, EXT2_ROOT_INO, &inode);
481 com_err("ext2fs_write_inode", retval,
482 _("while setting root inode ownership"));
488 static void create_lost_and_found(ext2_filsys fs)
492 const char *name = "lost+found";
496 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
498 com_err("ext2fs_mkdir", retval,
499 _("while creating /lost+found"));
503 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
505 com_err("ext2_lookup", retval,
506 _("while looking up /lost+found"));
510 for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
511 if ((lpf_size += fs->blocksize) >= 16*1024)
513 retval = ext2fs_expand_dir(fs, ino);
515 com_err("ext2fs_expand_dir", retval,
516 _("while expanding /lost+found"));
522 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
526 ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO);
527 fs->group_desc[0].bg_free_inodes_count--;
528 fs->super->s_free_inodes_count--;
529 retval = ext2fs_update_bb_inode(fs, bb_list);
531 com_err("ext2fs_update_bb_inode", retval,
532 _("while setting bad block inode"));
538 static void reserve_inodes(ext2_filsys fs)
543 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) {
544 ext2fs_mark_inode_bitmap(fs->inode_map, i);
545 group = ext2fs_group_of_ino(fs, i);
546 fs->group_desc[group].bg_free_inodes_count--;
547 fs->super->s_free_inodes_count--;
549 ext2fs_mark_ib_dirty(fs);
552 static void zap_sector(ext2_filsys fs, int sect)
559 io_channel_set_blksize(fs->io, 512);
560 retval = io_channel_write_blk(fs->io, sect, -512, buf);
561 io_channel_set_blksize(fs->io, fs->blocksize);
563 printf(_("Warning: could not erase sector %d: %s\n"), sect,
564 error_message(retval));
567 static void create_journal_dev(ext2_filsys fs)
569 struct progress_struct progress;
575 retval = ext2fs_create_journal_superblock(fs,
576 fs->super->s_blocks_count, 0, &buf);
578 com_err("create_journal_dev", retval,
579 _("while initializing journal superblock"));
583 memset(&progress, 0, sizeof(progress));
585 progress_init(&progress, _("Zeroing journal device: "),
586 fs->super->s_blocks_count);
588 retval = zero_blocks(fs, 0, fs->super->s_blocks_count,
589 &progress, &blk, &count);
591 com_err("create_journal_dev", retval,
592 _("while zeroing journal device (block %u, count %d)"),
596 zero_blocks(0, 0, 0, 0, 0, 0);
598 retval = io_channel_write_blk(fs->io,
599 fs->super->s_first_data_block+1,
602 com_err("create_journal_dev", retval,
603 _("while writing journal superblock"));
606 progress_close(&progress);
609 static void show_stats(ext2_filsys fs)
611 struct ext2_super_block *s = fs->super;
614 int i, need, col_left;
616 if (param.s_blocks_count != s->s_blocks_count)
617 printf(_("warning: %d blocks unused.\n\n"),
618 param.s_blocks_count - s->s_blocks_count);
620 memset(buf, 0, sizeof(buf));
621 strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
622 printf(_("Filesystem label=%s\n"), buf);
623 printf(_("OS type: "));
624 switch (fs->super->s_creator_os) {
625 case EXT2_OS_LINUX: printf ("Linux"); break;
626 case EXT2_OS_HURD: printf ("GNU/Hurd"); break;
627 case EXT2_OS_MASIX: printf ("Masix"); break;
628 default: printf (_("(unknown os)"));
631 printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
632 s->s_log_block_size);
633 printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize,
635 printf(_("%u inodes, %u blocks\n"), s->s_inodes_count,
637 printf(_("%u blocks (%2.2f%%) reserved for the super user\n"),
639 100.0 * s->s_r_blocks_count / s->s_blocks_count);
640 printf(_("First data block=%u\n"), s->s_first_data_block);
641 if (fs->group_desc_count > 1)
642 printf(_("%u block groups\n"), fs->group_desc_count);
644 printf(_("%u block group\n"), fs->group_desc_count);
645 printf(_("%u blocks per group, %u fragments per group\n"),
646 s->s_blocks_per_group, s->s_frags_per_group);
647 printf(_("%u inodes per group\n"), s->s_inodes_per_group);
649 if (fs->group_desc_count == 1) {
654 printf(_("Superblock backups stored on blocks: "));
655 group_block = s->s_first_data_block;
657 for (i = 1; i < fs->group_desc_count; i++) {
658 group_block += s->s_blocks_per_group;
659 if (!ext2fs_bg_has_super(fs, i))
663 need = int_log10(group_block) + 2;
664 if (need > col_left) {
669 printf("%u", group_block);
675 * Set the S_CREATOR_OS field. Return true if OS is known,
678 static int set_os(struct ext2_super_block *sb, char *os)
681 sb->s_creator_os = atoi (os);
682 else if (strcasecmp(os, "linux") == 0)
683 sb->s_creator_os = EXT2_OS_LINUX;
684 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
685 sb->s_creator_os = EXT2_OS_HURD;
686 else if (strcasecmp(os, "masix") == 0)
687 sb->s_creator_os = EXT2_OS_MASIX;
693 #define PATH_SET "PATH=/sbin"
695 static void parse_raid_opts(const char *opts)
697 char *buf, *token, *next, *p, *arg;
704 fprintf(stderr, _("Couldn't allocate memory to parse "
709 for (token = buf; token && *token; token = next) {
710 p = strchr(token, ',');
716 arg = strchr(token, '=');
721 if (strcmp(token, "stride") == 0) {
726 fs_stride = strtoul(arg, &p, 0);
727 if (*p || (fs_stride == 0)) {
729 _("Invalid stride parameter.\n"));
737 fprintf(stderr, _("\nBad raid options specified.\n\n"
738 "Raid options are separated by commas, "
739 "and may take an argument which\n"
740 "\tis set off by an equals ('=') sign.\n\n"
741 "Valid raid options are:\n"
742 "\tstride=<stride length in blocks>\n\n"));
747 static __u32 ok_features[3] = {
748 EXT3_FEATURE_COMPAT_HAS_JOURNAL, /* Compat */
749 EXT2_FEATURE_INCOMPAT_FILETYPE| /* Incompat */
750 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV,
751 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */
755 static void PRS(int argc, char *argv[])
760 blk_t group_blk_max = 8192;
763 int reserved_ratio = 5;
764 ext2_ino_t num_inodes = 0;
766 int sparse_option = 1;
767 char * oldpath = getenv("PATH");
768 char * raid_opts = 0;
770 const char * feature_set = "filetype";
776 /* Update our PATH to include /sbin */
780 newpath = malloc(sizeof (PATH_SET) + 1 + strlen (oldpath));
781 strcpy (newpath, PATH_SET);
782 strcat (newpath, ":");
783 strcat (newpath, oldpath);
788 tmp = getenv("MKE2FS_SYNC");
790 sync_kludge = atoi(tmp);
792 setbuf(stdout, NULL);
793 setbuf(stderr, NULL);
794 initialize_ext2_error_table();
795 memset(¶m, 0, sizeof(struct ext2_super_block));
796 param.s_rev_level = 1; /* Create revision 1 filesystems now */
803 if ((ut.release[0] == '1') ||
804 (ut.release[0] == '2' && ut.release[1] == '.' &&
805 ut.release[2] < '2' && ut.release[3] == '.')) {
808 param.s_rev_level = 0;
811 fprintf (stderr, _("mke2fs %s, %s for EXT2 FS %s, %s\n"),
812 E2FSPROGS_VERSION, E2FSPROGS_DATE,
813 EXT2FS_VERSION, EXT2FS_DATE);
815 program_name = *argv;
816 while ((c = getopt (argc, argv,
817 "b:cf:g:i:jl:m:no:qr:R:s:tvI:J:ST:FL:M:N:O:V")) != EOF)
820 blocksize = strtoul(optarg, &tmp, 0);
821 if (blocksize < 1024 || blocksize > 4096 || *tmp) {
822 com_err(program_name, 0,
823 _("bad block size - %s"), optarg);
826 param.s_log_block_size =
827 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
828 group_blk_max = blocksize * 8;
830 case 'c': /* Check for bad blocks */
831 case 't': /* deprecated */
835 size = strtoul(optarg, &tmp, 0);
836 if (size < 1024 || size > 4096 || *tmp) {
837 com_err(program_name, 0,
838 _("bad fragment size - %s"),
842 param.s_log_frag_size =
843 int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE);
844 printf(_("Warning: fragments not supported. "
845 "Ignoring -f option\n"));
848 param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
850 com_err(program_name, 0,
851 _("Illegal number for blocks per group"));
854 if ((param.s_blocks_per_group % 8) != 0) {
855 com_err(program_name, 0,
856 _("blocks per group must be multiple of 8"));
861 inode_ratio = strtoul(optarg, &tmp, 0);
862 if (inode_ratio < 1024 || inode_ratio > 4096 * 1024 ||
864 com_err(program_name, 0,
865 _("bad inode ratio - %s"), optarg);
870 parse_journal_opts(optarg);
873 param.s_feature_compat |=
874 EXT3_FEATURE_COMPAT_HAS_JOURNAL;
879 bad_blocks_filename = malloc(strlen(optarg)+1);
880 if (!bad_blocks_filename) {
881 com_err(program_name, ENOMEM,
882 _("in malloc for bad_blocks_filename"));
885 strcpy(bad_blocks_filename, optarg);
888 reserved_ratio = strtoul(optarg, &tmp, 0);
889 if (reserved_ratio > 50 || *tmp) {
890 com_err(program_name, 0,
891 _("bad reserved blocks percent - %s"),
903 param.s_rev_level = atoi(optarg);
904 if (param.s_rev_level == EXT2_GOOD_OLD_REV) {
909 case 's': /* deprecated */
910 sparse_option = atoi(optarg);
912 #ifdef EXT2_DYNAMIC_REV
914 param.s_inode_size = atoi(optarg);
918 num_inodes = atoi(optarg);
930 volume_label = optarg;
936 feature_set = optarg;
948 /* Print version number and exit */
949 fprintf(stderr, _("\tUsing %s\n"),
950 error_message(EXT2_ET_BASE));
957 device_name = argv[optind];
960 unsigned long tmp2 = strtoul(argv[optind++], &tmp, 0);
962 if ((*tmp) || (tmp2 > 0xfffffffful)) {
963 com_err(program_name, 0, _("bad blocks count - %s"),
967 param.s_blocks_count = tmp2;
973 parse_raid_opts(raid_opts);
975 /* Parse the user-supplied feature_set, if any. */
976 if (feature_set && !strncasecmp(feature_set, "none", 4))
978 if (feature_set && e2p_edit_feature(feature_set,
979 ¶m.s_feature_compat,
981 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
987 param.s_feature_ro_compat |=
988 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
990 if (param.s_rev_level == EXT2_GOOD_OLD_REV &&
991 (param.s_feature_compat || param.s_feature_ro_compat ||
992 param.s_feature_incompat))
993 param.s_rev_level = 1; /* Create a revision 1 filesystem */
996 check_plausibility(device_name);
997 check_mount(device_name, force, _("filesystem"));
999 param.s_log_frag_size = param.s_log_block_size;
1001 if (noaction && param.s_blocks_count) {
1002 dev_size = param.s_blocks_count;
1005 retval = ext2fs_get_device_size(device_name,
1006 EXT2_BLOCK_SIZE(¶m),
1008 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1009 com_err(program_name, retval,
1010 _("while trying to determine filesystem size"));
1013 if (!param.s_blocks_count) {
1014 if (retval == EXT2_ET_UNIMPLEMENTED) {
1015 com_err(program_name, 0,
1016 _("Couldn't determine device size; you "
1017 "must specify\nthe size of the "
1021 if (dev_size == 0) {
1022 com_err(program_name, 0,
1023 _("Device size reported to be zero. "
1024 "Invalid partition specified, or\n\t"
1025 "partition table wasn't reread "
1026 "after running fdisk, due to\n\t"
1027 "a modified partition being busy "
1028 "and in use. You may need to reboot\n\t"
1029 "to re-read your partition table.\n"
1033 param.s_blocks_count = dev_size;
1036 } else if (!force && (param.s_blocks_count > dev_size)) {
1037 com_err(program_name, 0,
1038 _("Filesystem larger than apparent filesystem size."));
1043 * If the user asked for HAS_JOURNAL, then make sure a journal
1046 if ((param.s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
1050 (param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) {
1052 fs_type = "journal";
1055 set_fs_defaults(fs_type, ¶m, blocksize, &inode_ratio);
1057 if (param.s_blocks_per_group) {
1058 if (param.s_blocks_per_group < 256 ||
1059 param.s_blocks_per_group > group_blk_max || *tmp) {
1060 com_err(program_name, 0,
1061 _("blocks per group count out of range"));
1067 * Calculate number of inodes based on the inode ratio
1069 param.s_inodes_count = num_inodes ? num_inodes :
1070 ((__u64) param.s_blocks_count * EXT2_BLOCK_SIZE(¶m))
1074 * Calculate number of blocks to reserve
1076 param.s_r_blocks_count = (param.s_blocks_count * reserved_ratio) / 100;
1080 int main (int argc, char *argv[])
1082 errcode_t retval = 0;
1084 badblocks_list bb_list = 0;
1089 setlocale(LC_MESSAGES, "");
1090 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
1091 textdomain(NLS_CAT_NAME);
1096 * Initialize the superblock....
1098 retval = ext2fs_initialize(device_name, 0, ¶m,
1099 unix_io_manager, &fs);
1101 com_err(device_name, retval, _("while setting up superblock"));
1106 * Wipe out the old on-disk superblock
1114 * Generate a UUID for it...
1116 uuid_generate(fs->super->s_uuid);
1119 * Add "jitter" to the superblock's check interval so that we
1120 * don't check all the filesystems at the same time. We use a
1121 * kludgy hack of using the UUID to derive a random jitter value.
1123 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
1124 val += fs->super->s_uuid[i];
1125 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
1128 * Override the creator OS, if applicable
1130 if (creator_os && !set_os(fs->super, creator_os)) {
1131 com_err (program_name, 0, _("unknown os - %s"), creator_os);
1136 * For the Hurd, we will turn off filetype since it doesn't
1139 if (fs->super->s_creator_os == EXT2_OS_HURD)
1140 fs->super->s_feature_incompat &=
1141 ~EXT2_FEATURE_INCOMPAT_FILETYPE;
1144 * Set the volume label...
1147 memset(fs->super->s_volume_name, 0,
1148 sizeof(fs->super->s_volume_name));
1149 strncpy(fs->super->s_volume_name, volume_label,
1150 sizeof(fs->super->s_volume_name));
1154 * Set the last mount directory
1157 memset(fs->super->s_last_mounted, 0,
1158 sizeof(fs->super->s_last_mounted));
1159 strncpy(fs->super->s_last_mounted, mount_dir,
1160 sizeof(fs->super->s_last_mounted));
1163 if (!quiet || noaction)
1169 if (fs->super->s_feature_incompat &
1170 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
1171 create_journal_dev(fs);
1176 if (bad_blocks_filename)
1177 read_bb_file(fs, &bb_list, bad_blocks_filename);
1179 test_disk(fs, &bb_list);
1181 handle_bad_blocks(fs, bb_list);
1182 fs->stride = fs_stride;
1183 retval = ext2fs_allocate_tables(fs);
1185 com_err(program_name, retval,
1186 _("while trying to allocate filesystem tables"));
1190 fs->super->s_state |= EXT2_ERROR_FS;
1191 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
1193 int rsv = 65536 / EXT2_BLOCK_SIZE(fs->super);
1194 unsigned long blocks = fs->super->s_blocks_count;
1195 unsigned long start = (blocks & ~(rsv - 1)) - rsv;
1198 #ifdef ZAP_BOOTBLOCK
1202 * Wipe out any old MD RAID (or other) metadata at the end
1203 * of the device. This will also verify that the device is
1204 * as large as we think it is.
1206 retval = zero_blocks(fs, start, blocks - start,
1207 NULL, &ret_blk, NULL);
1209 com_err(program_name, retval,
1210 _("zeroing block %u at end of filesystem"),
1214 write_inode_tables(fs);
1215 create_root_dir(fs);
1216 create_lost_and_found(fs);
1218 create_bad_block_inode(fs, bb_list);
1221 if (journal_device) {
1225 check_plausibility(journal_device);
1226 check_mount(journal_device, force, _("journal"));
1228 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
1229 EXT2_FLAG_JOURNAL_DEV_OK, 0,
1230 fs->blocksize, unix_io_manager, &jfs);
1232 com_err(program_name, retval,
1233 _("while trying to open journal device %s\n"),
1238 printf(_("Creating journal on device %s: "),
1242 retval = ext2fs_add_journal_device(fs, jfs);
1244 com_err (program_name, retval,
1245 _("\n\twhile trying to add journal to device %s"),
1250 printf(_("done\n"));
1252 } else if (journal_size) {
1253 journal_blocks = figure_journal_size(journal_size, fs);
1255 if (!journal_blocks) {
1256 fs->super->s_feature_compat &=
1257 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
1261 printf(_("Creating journal (%d blocks): "),
1265 retval = ext2fs_add_journal_inode(fs, journal_blocks,
1268 com_err (program_name, retval,
1269 _("\n\twhile trying to create journal"));
1273 printf(_("done\n"));
1278 printf(_("Writing superblocks and "
1279 "filesystem accounting information: "));
1280 retval = ext2fs_flush(fs);
1282 printf(_("\nWarning, had trouble writing out superblocks."));
1285 printf(_("done\n\n"));
1286 printf(_("This filesystem will be automatically "
1287 "checked every %d mounts or\n"
1288 "%g days, whichever comes first. "
1289 "Use tune2fs -c or -i to override.\n"),
1290 fs->super->s_max_mnt_count,
1291 (double)fs->super->s_checkinterval / (3600 * 24));