2 * mke2fs.c - Make a ext2fs filesystem.
4 * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
5 * 2003, 2004, 2005 by Theodore Ts'o.
8 * This file may be redistributed under the terms of the GNU Public
13 /* Usage: mke2fs [options] device
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 :-).
19 #define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX */
28 #include <sys/utsname.h>
29 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
46 #include <sys/ioctl.h>
49 #include <blkid/blkid.h>
51 #include "ext2fs/ext2_fs.h"
52 #include "ext2fs/ext2fsP.h"
53 #include "uuid/uuid.h"
55 #include "support/nls-enable.h"
56 #include "support/plausible.h"
57 #include "support/profile.h"
58 #include "support/prof_err.h"
59 #include "../version.h"
60 #include "support/quotaio.h"
62 #include "create_inode.h"
64 #define STRIDE_LENGTH 8
66 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
72 #define DISCARD_STEP_MB (2048)
74 extern int isatty(int);
75 extern FILE *fpopen(const char *cmd, const char *mode);
77 const char * program_name = "mke2fs";
78 static const char * device_name /* = NULL */;
80 /* Command line options */
84 static int super_only;
85 static int discard = 1; /* attempt to discard device before fs creation */
89 static int num_backups = 2; /* number of backup bg's for sparse_super2 */
90 static uid_t root_uid;
91 static gid_t root_gid;
94 static int lazy_itable_init;
95 static int packed_meta_blocks;
96 static char *bad_blocks_filename = NULL;
97 static __u32 fs_stride;
98 /* Initialize usr/grp quotas by default */
99 static unsigned int quotatype_bits = (QUOTA_USR_BIT | QUOTA_GRP_BIT);
101 static blk64_t journal_location = ~0LL;
102 static int proceed_delay = -1;
103 static blk64_t dev_size;
105 static struct ext2_super_block fs_param;
106 static char *fs_uuid = NULL;
107 static char *creator_os;
108 static char *volume_label;
109 static char *mount_dir;
110 char *journal_device;
111 static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
113 const char *src_root_dir; /* Copy files from the specified directory */
114 static char *undo_file;
116 static profile_t profile;
118 static int sys_page_size = 4096;
120 static int errors_behavior = 0;
122 static void usage(void)
124 fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
125 "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
126 "[-J journal-options]\n"
127 "\t[-G flex-group-size] [-N number-of-inodes] "
128 "[-d root-directory]\n"
129 "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
130 "\t[-g blocks-per-group] [-L volume-label] "
131 "[-M last-mounted-directory]\n\t[-O feature[,...]] "
132 "[-r fs-revision] [-E extended-option[,...]]\n"
133 "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
135 "\t[-jnqvDFKSV] device [blocks-count]\n"),
140 static int int_log2(unsigned long long arg)
152 int int_log10(unsigned long long arg)
162 static int parse_version_number(const char *s)
164 int major, minor, rev;
170 major = strtol(cp, &endptr, 10);
171 if (cp == endptr || *endptr != '.')
174 minor = strtol(cp, &endptr, 10);
175 if (cp == endptr || *endptr != '.')
178 rev = strtol(cp, &endptr, 10);
181 return KERNEL_VERSION(major, minor, rev);
184 static int is_before_linux_ver(unsigned int major, unsigned int minor,
188 static int linux_version_code = -1;
194 if (linux_version_code < 0)
195 linux_version_code = parse_version_number(ut.release);
196 if (linux_version_code == 0)
199 return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
202 static int is_before_linux_ver(unsigned int major, unsigned int minor,
210 * Helper function for read_bb_file and test_disk
212 static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
214 fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk);
219 * Reads the bad blocks list from a file
221 static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
222 const char *bad_blocks_file)
227 f = fopen(bad_blocks_file, "r");
229 com_err("read_bad_blocks_file", errno,
230 _("while trying to open %s"), bad_blocks_file);
233 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
236 com_err("ext2fs_read_bb_FILE", retval, "%s",
237 _("while reading in list of bad blocks from file"));
243 * Runs the badblocks program to test the disk
245 static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
251 sprintf(buf, "badblocks -b %d -X %s%s%s %llu", fs->blocksize,
252 quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
253 fs->device_name, ext2fs_blocks_count(fs->super)-1);
255 printf(_("Running command: %s\n"), buf);
258 com_err("popen", errno,
259 _("while trying to run '%s'"), buf);
262 retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
265 com_err("ext2fs_read_bb_FILE", retval, "%s",
266 _("while processing list of bad blocks from program"));
271 static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
275 unsigned must_be_good;
277 badblocks_iterate bb_iter;
287 * The primary superblock and group descriptors *must* be
288 * good; if not, abort.
290 must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
291 for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
292 if (ext2fs_badblocks_list_test(bb_list, i)) {
293 fprintf(stderr, _("Block %d in primary "
294 "superblock/group descriptor area bad.\n"), i);
295 fprintf(stderr, _("Blocks %u through %u must be good "
296 "in order to build a filesystem.\n"),
297 fs->super->s_first_data_block, must_be_good);
298 fputs(_("Aborting....\n"), stderr);
304 * See if any of the bad blocks are showing up in the backup
305 * superblocks and/or group descriptors. If so, issue a
306 * warning and adjust the block counts appropriately.
308 group_block = fs->super->s_first_data_block +
309 fs->super->s_blocks_per_group;
311 for (i = 1; i < fs->group_desc_count; i++) {
313 for (j=0; j < fs->desc_blocks+1; j++) {
314 if (ext2fs_badblocks_list_test(bb_list,
318 _("Warning: the backup superblock/group descriptors at block %u contain\n"
322 group = ext2fs_group_of_blk2(fs, group_block+j);
323 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
324 ext2fs_group_desc_csum_set(fs, group);
325 ext2fs_free_blocks_count_add(fs->super, 1);
328 group_block += fs->super->s_blocks_per_group;
332 * Mark all the bad blocks as used...
334 retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
336 com_err("ext2fs_badblocks_list_iterate_begin", retval, "%s",
337 _("while marking bad blocks as used"));
340 while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
341 ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
342 ext2fs_badblocks_list_iterate_end(bb_iter);
345 static void write_reserved_inodes(ext2_filsys fs)
349 struct ext2_inode *inode;
351 retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
353 com_err("inode_init", retval, _("while allocating memory"));
357 for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++)
358 ext2fs_write_inode_full(fs, ino, inode,
359 EXT2_INODE_SIZE(fs->super));
361 ext2fs_free_mem(&inode);
364 static errcode_t packed_allocate_tables(ext2_filsys fs)
370 for (i = 0; i < fs->group_desc_count; i++) {
371 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
374 ext2fs_block_alloc_stats2(fs, goal, +1);
375 ext2fs_block_bitmap_loc_set(fs, i, goal);
377 for (i = 0; i < fs->group_desc_count; i++) {
378 retval = ext2fs_new_block2(fs, goal, NULL, &goal);
381 ext2fs_block_alloc_stats2(fs, goal, +1);
382 ext2fs_inode_bitmap_loc_set(fs, i, goal);
384 for (i = 0; i < fs->group_desc_count; i++) {
385 blk64_t end = ext2fs_blocks_count(fs->super) - 1;
386 retval = ext2fs_get_free_blocks2(fs, goal, end,
387 fs->inode_blocks_per_group,
388 fs->block_map, &goal);
391 ext2fs_block_alloc_stats_range(fs, goal,
392 fs->inode_blocks_per_group, +1);
393 ext2fs_inode_table_loc_set(fs, i, goal);
394 ext2fs_group_desc_csum_set(fs, i);
399 static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
405 struct ext2fs_numeric_progress_struct progress;
407 ext2fs_numeric_progress_init(fs, &progress,
408 _("Writing inode tables: "),
409 fs->group_desc_count);
411 for (i = 0; i < fs->group_desc_count; i++) {
412 ext2fs_numeric_progress_update(fs, &progress, i);
414 blk = ext2fs_inode_table_loc(fs, i);
415 num = fs->inode_blocks_per_group;
418 num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
419 ext2fs_bg_itable_unused(fs, i)) *
420 EXT2_INODE_SIZE(fs->super),
421 EXT2_BLOCK_SIZE(fs->super));
422 if (!lazy_flag || itable_zeroed) {
423 /* The kernel doesn't need to zero the itable blocks */
424 ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
425 ext2fs_group_desc_csum_set(fs, i);
427 if (!itable_zeroed) {
428 retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
430 fprintf(stderr, _("\nCould not write %d "
431 "blocks in inode table starting at %llu: %s\n"),
432 num, blk, error_message(retval));
437 if (sync_kludge == 1)
439 else if ((i % sync_kludge) == 0)
443 ext2fs_numeric_progress_close(fs, &progress,
446 /* Reserved inodes must always have correct checksums */
447 if (fs->super->s_creator_os == EXT2_OS_LINUX &&
448 ext2fs_has_feature_metadata_csum(fs->super))
449 write_reserved_inodes(fs);
452 static void create_root_dir(ext2_filsys fs)
455 struct ext2_inode inode;
457 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
459 com_err("ext2fs_mkdir", retval, "%s",
460 _("while creating root dir"));
463 if (root_uid != 0 || root_gid != 0) {
464 retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
466 com_err("ext2fs_read_inode", retval, "%s",
467 _("while reading root inode"));
471 inode.i_uid = root_uid;
472 ext2fs_set_i_uid_high(inode, root_uid >> 16);
473 inode.i_gid = root_gid;
474 ext2fs_set_i_gid_high(inode, root_gid >> 16);
476 retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
478 com_err("ext2fs_write_inode", retval, "%s",
479 _("while setting root inode ownership"));
485 static void create_lost_and_found(ext2_filsys fs)
487 unsigned int lpf_size = 0;
490 const char *name = "lost+found";
494 retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
496 com_err("ext2fs_mkdir", retval, "%s",
497 _("while creating /lost+found"));
501 retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
503 com_err("ext2_lookup", retval, "%s",
504 _("while looking up /lost+found"));
508 for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
509 /* Ensure that lost+found is at least 2 blocks, so we always
510 * test large empty blocks for big-block filesystems. */
511 if ((lpf_size += fs->blocksize) >= 16*1024 &&
512 lpf_size >= 2 * fs->blocksize)
514 retval = ext2fs_expand_dir(fs, ino);
516 com_err("ext2fs_expand_dir", retval, "%s",
517 _("while expanding /lost+found"));
523 static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
527 ext2fs_mark_inode_bitmap2(fs->inode_map, EXT2_BAD_INO);
528 ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
529 retval = ext2fs_update_bb_inode(fs, bb_list);
531 com_err("ext2fs_update_bb_inode", retval, "%s",
532 _("while setting bad block inode"));
538 static void reserve_inodes(ext2_filsys fs)
542 for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
543 ext2fs_inode_alloc_stats2(fs, i, +1, 0);
544 ext2fs_mark_ib_dirty(fs);
547 #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
548 #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */
549 #define BSD_LABEL_OFFSET 64
551 static void zap_sector(ext2_filsys fs, int sect, int nsect)
557 buf = malloc(512*nsect);
559 printf(_("Out of memory erasing sectors %d-%d\n"),
560 sect, sect + nsect - 1);
565 /* Check for a BSD disklabel, and don't erase it if so */
566 retval = io_channel_read_blk64(fs->io, 0, -512, buf);
569 _("Warning: could not read block 0: %s\n"),
570 error_message(retval));
572 magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
573 if ((*magic == BSD_DISKMAGIC) ||
574 (*magic == BSD_MAGICDISK))
579 memset(buf, 0, 512*nsect);
580 io_channel_set_blksize(fs->io, 512);
581 retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
582 io_channel_set_blksize(fs->io, fs->blocksize);
585 fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
586 sect, error_message(retval));
589 static void create_journal_dev(ext2_filsys fs)
591 struct ext2fs_numeric_progress_struct progress;
594 blk64_t blk, err_blk;
595 int c, count, err_count;
597 retval = ext2fs_create_journal_superblock(fs,
598 ext2fs_blocks_count(fs->super), 0, &buf);
600 com_err("create_journal_dev", retval, "%s",
601 _("while initializing journal superblock"));
605 if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
606 goto write_superblock;
608 ext2fs_numeric_progress_init(fs, &progress,
609 _("Zeroing journal device: "),
610 ext2fs_blocks_count(fs->super));
612 count = ext2fs_blocks_count(fs->super);
618 retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
620 com_err("create_journal_dev", retval,
621 _("while zeroing journal device "
622 "(block %llu, count %d)"),
628 ext2fs_numeric_progress_update(fs, &progress, blk);
631 ext2fs_numeric_progress_close(fs, &progress, NULL);
633 retval = io_channel_write_blk64(fs->io,
634 fs->super->s_first_data_block+1,
637 com_err("create_journal_dev", retval, "%s",
638 _("while writing journal superblock"));
643 static void show_stats(ext2_filsys fs)
645 struct ext2_super_block *s = fs->super;
653 printf(_("Creating filesystem with %llu %dk blocks and "
655 ext2fs_blocks_count(s), fs->blocksize >> 10,
660 if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
661 fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
662 ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
664 memset(buf, 0, sizeof(buf));
665 strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
666 printf(_("Filesystem label=%s\n"), buf);
667 os = e2p_os2string(fs->super->s_creator_os);
669 printf(_("OS type: %s\n"), os);
671 printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
672 s->s_log_block_size);
673 if (ext2fs_has_feature_bigalloc(fs->super))
674 printf(_("Cluster size=%u (log=%u)\n"),
675 fs->blocksize << fs->cluster_ratio_bits,
676 s->s_log_cluster_size);
678 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
679 s->s_log_cluster_size);
680 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
681 s->s_raid_stride, s->s_raid_stripe_width);
682 printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
683 ext2fs_blocks_count(s));
684 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
685 ext2fs_r_blocks_count(s),
686 100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
687 printf(_("First data block=%u\n"), s->s_first_data_block);
688 if (root_uid != 0 || root_gid != 0)
689 printf(_("Root directory owner=%u:%u\n"), root_uid, root_gid);
690 if (s->s_reserved_gdt_blocks)
691 printf(_("Maximum filesystem blocks=%lu\n"),
692 (s->s_reserved_gdt_blocks + fs->desc_blocks) *
693 EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
694 if (fs->group_desc_count > 1)
695 printf(_("%u block groups\n"), fs->group_desc_count);
697 printf(_("%u block group\n"), fs->group_desc_count);
698 if (ext2fs_has_feature_bigalloc(fs->super))
699 printf(_("%u blocks per group, %u clusters per group\n"),
700 s->s_blocks_per_group, s->s_clusters_per_group);
702 printf(_("%u blocks per group, %u fragments per group\n"),
703 s->s_blocks_per_group, s->s_clusters_per_group);
704 printf(_("%u inodes per group\n"), s->s_inodes_per_group);
707 if (fs->group_desc_count == 1) {
712 if (!e2p_is_null_uuid(s->s_uuid))
713 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s->s_uuid));
714 printf("%s", _("Superblock backups stored on blocks: "));
715 group_block = s->s_first_data_block;
717 for (i = 1; i < fs->group_desc_count; i++) {
718 group_block += s->s_blocks_per_group;
719 if (!ext2fs_bg_has_super(fs, i))
723 need = int_log10(group_block) + 2;
724 if (need > col_left) {
729 printf("%llu", group_block);
735 * Returns true if making a file system for the Hurd, else 0
737 static int for_hurd(const char *os)
747 return (atoi(os) == EXT2_OS_HURD);
748 return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
752 * Set the S_CREATOR_OS field. Return true if OS is known,
755 static int set_os(struct ext2_super_block *sb, char *os)
758 sb->s_creator_os = atoi (os);
759 else if (strcasecmp(os, "linux") == 0)
760 sb->s_creator_os = EXT2_OS_LINUX;
761 else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
762 sb->s_creator_os = EXT2_OS_HURD;
763 else if (strcasecmp(os, "freebsd") == 0)
764 sb->s_creator_os = EXT2_OS_FREEBSD;
765 else if (strcasecmp(os, "lites") == 0)
766 sb->s_creator_os = EXT2_OS_LITES;
772 #define PATH_SET "PATH=/sbin"
774 static int option_handle_function(char *token, void *data)
776 if (!strncmp(token, "usr", 3)) {
777 quotatype_bits |= QUOTA_USR_BIT;
778 } else if (!strncmp(token, "grp", 3)) {
779 quotatype_bits |= QUOTA_GRP_BIT;
780 } else if (!strncmp(token, "prj", 3)) {
781 quotatype_bits |= QUOTA_PRJ_BIT;
783 fprintf(stderr, _("Invalid quotatype parameter: %s\n"),
791 static void parse_extended_opts(struct ext2_super_block *param,
794 char *buf, *token, *next, *p, *arg, *badopt = 0;
802 fprintf(stderr, "%s",
803 _("Couldn't allocate memory to parse options!\n"));
807 for (token = buf; token && *token; token = next) {
808 p = strchr(token, ',');
814 arg = strchr(token, '=');
819 if (strcmp(token, "desc-size") == 0 ||
820 strcmp(token, "desc_size") == 0) {
823 if (!ext2fs_has_feature_64bit(&fs_param)) {
825 _("%s requires '-O 64bit'\n"), token);
829 if (param->s_reserved_gdt_blocks != 0) {
831 _("'%s' must be before 'resize=%u'\n"),
832 token, param->s_reserved_gdt_blocks);
841 desc_size = strtoul(arg, &p, 0);
842 if (*p || (desc_size & (desc_size - 1))) {
844 _("Invalid desc_size: '%s'\n"), arg);
848 param->s_desc_size = desc_size;
849 } else if (strcmp(token, "offset") == 0) {
855 offset = strtoull(arg, &p, 0);
857 fprintf(stderr, _("Invalid offset: %s\n"),
862 } else if (strcmp(token, "mmp_update_interval") == 0) {
868 param->s_mmp_update_interval = strtoul(arg, &p, 0);
871 _("Invalid mmp_update_interval: %s\n"),
876 } else if (strcmp(token, "num_backup_sb") == 0) {
882 num_backups = strtoul(arg, &p, 0);
883 if (*p || num_backups > 2) {
885 _("Invalid # of backup "
886 "superblocks: %s\n"),
891 } else if (strcmp(token, "packed_meta_blocks") == 0) {
893 packed_meta_blocks = strtoul(arg, &p, 0);
895 packed_meta_blocks = 1;
896 if (packed_meta_blocks)
897 journal_location = 0;
898 } else if (strcmp(token, "stride") == 0) {
904 param->s_raid_stride = strtoul(arg, &p, 0);
907 _("Invalid stride parameter: %s\n"),
912 } else if (strcmp(token, "stripe-width") == 0 ||
913 strcmp(token, "stripe_width") == 0) {
919 param->s_raid_stripe_width = strtoul(arg, &p, 0);
922 _("Invalid stripe-width parameter: %s\n"),
927 } else if (!strcmp(token, "resize")) {
929 unsigned long bpg, rsv_groups;
930 unsigned long group_desc_count, desc_blocks;
931 unsigned int gdpb, blocksize;
940 resize = parse_num_blocks2(arg,
941 param->s_log_block_size);
945 _("Invalid resize parameter: %s\n"),
950 if (resize <= ext2fs_blocks_count(param)) {
951 fprintf(stderr, "%s",
952 _("The resize maximum must be greater "
953 "than the filesystem size.\n"));
958 blocksize = EXT2_BLOCK_SIZE(param);
959 bpg = param->s_blocks_per_group;
962 gdpb = EXT2_DESC_PER_BLOCK(param);
963 group_desc_count = (__u32) ext2fs_div64_ceil(
964 ext2fs_blocks_count(param), bpg);
965 desc_blocks = (group_desc_count +
967 rsv_groups = ext2fs_div64_ceil(resize, bpg);
968 rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
970 if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
971 rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
974 if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
975 fprintf(stderr, "%s",
976 _("On-line resizing not supported with revision 0 filesystems\n"));
980 ext2fs_set_feature_resize_inode(param);
982 param->s_reserved_gdt_blocks = rsv_gdb;
984 } else if (!strcmp(token, "test_fs")) {
985 param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
986 } else if (!strcmp(token, "lazy_itable_init")) {
988 lazy_itable_init = strtoul(arg, &p, 0);
990 lazy_itable_init = 1;
991 } else if (!strcmp(token, "lazy_journal_init")) {
993 journal_flags |= strtoul(arg, &p, 0) ?
994 EXT2_MKJOURNAL_LAZYINIT : 0;
996 journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
997 } else if (!strcmp(token, "root_owner")) {
999 root_uid = strtoul(arg, &p, 0);
1002 _("Invalid root_owner: '%s'\n"),
1008 root_gid = strtoul(p, &p, 0);
1011 _("Invalid root_owner: '%s'\n"),
1017 root_uid = getuid();
1018 root_gid = getgid();
1020 } else if (!strcmp(token, "discard")) {
1022 } else if (!strcmp(token, "nodiscard")) {
1024 } else if (!strcmp(token, "quotatype")) {
1030 ret = parse_quota_opts(arg, option_handle_function,
1042 fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
1043 "Extended options are separated by commas, "
1044 "and may take an argument which\n"
1045 "\tis set off by an equals ('=') sign.\n\n"
1046 "Valid extended options are:\n"
1047 "\tmmp_update_interval=<interval>\n"
1048 "\tnum_backup_sb=<0|1|2>\n"
1049 "\tstride=<RAID per-disk data chunk in blocks>\n"
1050 "\tstripe-width=<RAID stride * data disks in blocks>\n"
1051 "\toffset=<offset to create the file system>\n"
1052 "\tresize=<resize maximum size in blocks>\n"
1053 "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1054 "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1055 "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1056 "\troot_uid=<uid of root directory>\n"
1057 "\troot_gid=<gid of root directory>\n"
1061 "\tquotatype=<usr OR grp>\n\n"),
1062 badopt ? badopt : "");
1066 if (param->s_raid_stride &&
1067 (param->s_raid_stripe_width % param->s_raid_stride) != 0)
1068 fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
1069 "multiple of stride %u.\n\n"),
1070 param->s_raid_stripe_width, param->s_raid_stride);
1075 static __u32 ok_features[3] = {
1077 EXT3_FEATURE_COMPAT_HAS_JOURNAL |
1078 EXT2_FEATURE_COMPAT_RESIZE_INODE |
1079 EXT2_FEATURE_COMPAT_DIR_INDEX |
1080 EXT2_FEATURE_COMPAT_EXT_ATTR |
1081 EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
1083 EXT2_FEATURE_INCOMPAT_FILETYPE|
1084 EXT3_FEATURE_INCOMPAT_EXTENTS|
1085 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
1086 EXT2_FEATURE_INCOMPAT_META_BG|
1087 EXT4_FEATURE_INCOMPAT_FLEX_BG|
1088 EXT4_FEATURE_INCOMPAT_MMP |
1089 EXT4_FEATURE_INCOMPAT_64BIT|
1090 EXT4_FEATURE_INCOMPAT_INLINE_DATA|
1091 EXT4_FEATURE_INCOMPAT_ENCRYPT,
1093 EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
1094 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
1095 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
1096 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
1097 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
1098 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
1099 EXT4_FEATURE_RO_COMPAT_BIGALLOC|
1100 EXT4_FEATURE_RO_COMPAT_QUOTA|
1101 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
1102 EXT4_FEATURE_RO_COMPAT_PROJECT
1106 static void syntax_err_report(const char *filename, long err, int line_num)
1109 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1110 filename, line_num, error_message(err));
1114 static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
1116 static void edit_feature(const char *str, __u32 *compat_array)
1121 if (e2p_edit_feature(str, compat_array, ok_features)) {
1122 fprintf(stderr, _("Invalid filesystem option set: %s\n"),
1128 static void edit_mntopts(const char *str, __u32 *mntopts)
1133 if (e2p_edit_mntopts(str, mntopts, ~0)) {
1134 fprintf(stderr, _("Invalid mount option set: %s\n"),
1146 static errcode_t init_list(struct str_list *sl)
1150 sl->list = malloc((sl->max+1) * sizeof(char *));
1157 static errcode_t push_string(struct str_list *sl, const char *str)
1161 if (sl->num >= sl->max) {
1163 new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
1166 sl->list = new_list;
1168 sl->list[sl->num] = malloc(strlen(str)+1);
1169 if (sl->list[sl->num] == 0)
1171 strcpy(sl->list[sl->num], str);
1173 sl->list[sl->num] = 0;
1177 static void print_str_list(char **list)
1181 for (cpp = list; *cpp; cpp++) {
1182 printf("'%s'", *cpp);
1184 fputs(", ", stdout);
1186 fputc('\n', stdout);
1190 * Return TRUE if the profile has the given subsection
1192 static int profile_has_subsection(profile_t prof, const char *section,
1193 const char *subsection)
1196 const char *names[4];
1201 names[1] = subsection;
1204 if (profile_iterator_create(prof, names,
1205 PROFILE_ITER_LIST_SECTION |
1206 PROFILE_ITER_RELATIONS_ONLY, &state))
1209 if ((profile_iterator(&state, &name, 0) == 0) && name) {
1214 profile_iterator_free(&state);
1218 static char **parse_fs_type(const char *fs_type,
1219 const char *usage_types,
1220 struct ext2_super_block *sb,
1221 blk64_t fs_blocks_count,
1224 const char *ext_type = 0;
1226 char *profile_type = 0;
1228 const char *size_type;
1229 struct str_list list;
1230 unsigned long long meg;
1231 int is_hurd = for_hurd(creator_os);
1233 if (init_list(&list))
1240 else if (!strcmp(program_name, "mke3fs"))
1242 else if (!strcmp(program_name, "mke4fs"))
1244 else if (progname) {
1245 ext_type = strrchr(progname, '/');
1249 ext_type = progname;
1251 if (!strncmp(ext_type, "mkfs.", 5)) {
1253 if (ext_type[0] == 0)
1260 profile_get_string(profile, "defaults", "fs_type", 0,
1261 "ext2", &profile_type);
1262 ext_type = profile_type;
1263 if (!strcmp(ext_type, "ext2") && (journal_size != 0))
1268 if (!profile_has_subsection(profile, "fs_types", ext_type) &&
1269 strcmp(ext_type, "ext2")) {
1270 printf(_("\nYour mke2fs.conf file does not define the "
1271 "%s filesystem type.\n"), ext_type);
1272 if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
1273 !strcmp(ext_type, "ext4dev")) {
1274 printf("%s", _("You probably need to install an "
1275 "updated mke2fs.conf file.\n\n"));
1278 printf("%s", _("Aborting...\n"));
1283 meg = (1024 * 1024) / EXT2_BLOCK_SIZE(sb);
1284 if (fs_blocks_count < 3 * meg)
1285 size_type = "floppy";
1286 else if (fs_blocks_count < 512 * meg)
1287 size_type = "small";
1288 else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
1289 size_type = "default";
1290 else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
1296 usage_types = size_type;
1298 parse_str = malloc(strlen(usage_types)+1);
1304 strcpy(parse_str, usage_types);
1307 push_string(&list, ext_type);
1310 t = strchr(cp, ',');
1315 if (profile_has_subsection(profile, "fs_types", cp))
1316 push_string(&list, cp);
1317 else if (strcmp(cp, "default") != 0)
1319 _("\nWarning: the fs_type %s is not "
1320 "defined in mke2fs.conf\n\n"),
1331 push_string(&list, "hurd");
1335 char *get_string_from_profile(char **types, const char *opt,
1336 const char *def_val)
1341 for (i=0; types[i]; i++);
1342 for (i-=1; i >=0 ; i--) {
1343 profile_get_string(profile, "fs_types", types[i],
1348 profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
1352 int get_int_from_profile(char **types, const char *opt, int def_val)
1357 profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
1358 for (cpp = types; *cpp; cpp++)
1359 profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
1363 static unsigned int get_uint_from_profile(char **types, const char *opt,
1364 unsigned int def_val)
1369 profile_get_uint(profile, "defaults", opt, 0, def_val, &ret);
1370 for (cpp = types; *cpp; cpp++)
1371 profile_get_uint(profile, "fs_types", *cpp, opt, ret, &ret);
1375 static double get_double_from_profile(char **types, const char *opt,
1381 profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
1382 for (cpp = types; *cpp; cpp++)
1383 profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
1387 int get_bool_from_profile(char **types, const char *opt, int def_val)
1392 profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
1393 for (cpp = types; *cpp; cpp++)
1394 profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
1398 extern const char *mke2fs_default_profile;
1399 static const char *default_files[] = { "<default>", 0 };
1401 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1403 * Sets the geometry of a device (stripe/stride), and returns the
1404 * device's alignment offset, if any, or a negative error.
1406 static int get_device_geometry(const char *file,
1407 struct ext2_super_block *param,
1408 unsigned int psector_size)
1411 unsigned int blocksize;
1414 unsigned long min_io;
1415 unsigned long opt_io;
1416 struct stat statbuf;
1418 /* Nothing to do for a regular file */
1419 if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
1422 pr = blkid_new_probe_from_filename(file);
1426 tp = blkid_probe_get_topology(pr);
1430 min_io = blkid_topology_get_minimum_io_size(tp);
1431 opt_io = blkid_topology_get_optimal_io_size(tp);
1432 blocksize = EXT2_BLOCK_SIZE(param);
1433 if ((min_io == 0) && (psector_size > blocksize))
1434 min_io = psector_size;
1435 if ((opt_io == 0) && min_io)
1437 if ((opt_io == 0) && (psector_size > blocksize))
1438 opt_io = psector_size;
1440 /* setting stripe/stride to blocksize is pointless */
1441 if (min_io > blocksize)
1442 param->s_raid_stride = min_io / blocksize;
1443 if (opt_io > blocksize)
1444 param->s_raid_stripe_width = opt_io / blocksize;
1446 rc = blkid_topology_get_alignment_offset(tp);
1448 blkid_free_probe(pr);
1453 static void PRS(int argc, char *argv[])
1456 int cluster_size = 0;
1459 int inode_ratio = 0;
1461 unsigned long flex_bg_size = 0;
1462 double reserved_ratio = -1.0;
1463 int lsector_size = 0, psector_size = 0;
1464 int show_version_only = 0, is_device = 0;
1465 unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
1467 char * oldpath = getenv("PATH");
1468 char * extended_opts = 0;
1470 char * usage_types = 0;
1472 * NOTE: A few words about fs_blocks_count and blocksize:
1474 * Initially, blocksize is set to zero, which implies 1024.
1475 * If -b is specified, blocksize is updated to the user's value.
1477 * Next, the device size or the user's "blocks" command line argument
1478 * is used to set fs_blocks_count; the units are blocksize.
1480 * Later, if blocksize hasn't been set and the profile specifies a
1481 * blocksize, then blocksize is updated and fs_blocks_count is scaled
1482 * appropriately. Note the change in units!
1484 * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1486 blk64_t fs_blocks_count = 0;
1488 int s_opt = -1, r_opt = -1;
1489 char *fs_features = 0;
1492 int pathlen = sizeof(PATH_SET) + 1;
1495 pathlen += strlen(oldpath);
1496 newpath = malloc(pathlen);
1498 fprintf(stderr, "%s",
1499 _("Couldn't allocate memory for new PATH.\n"));
1502 strcpy(newpath, PATH_SET);
1504 /* Update our PATH to include /sbin */
1506 strcat (newpath, ":");
1507 strcat (newpath, oldpath);
1511 tmp = getenv("MKE2FS_SYNC");
1513 sync_kludge = atoi(tmp);
1515 /* Determine the system page size if possible */
1517 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1518 #define _SC_PAGESIZE _SC_PAGE_SIZE
1521 sysval = sysconf(_SC_PAGESIZE);
1523 sys_page_size = sysval;
1524 #endif /* _SC_PAGESIZE */
1525 #endif /* HAVE_SYSCONF */
1527 if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
1529 profile_set_syntax_err_cb(syntax_err_report);
1530 retval = profile_init(config_fn, &profile);
1531 if (retval == ENOENT) {
1532 retval = profile_init(default_files, &profile);
1535 retval = profile_set_default(profile, mke2fs_default_profile);
1538 } else if (retval) {
1540 fprintf(stderr, _("Couldn't init profile successfully"
1541 " (error: %ld).\n"), retval);
1545 setbuf(stdout, NULL);
1546 setbuf(stderr, NULL);
1547 add_error_table(&et_ext2_error_table);
1548 add_error_table(&et_prof_error_table);
1549 memset(&fs_param, 0, sizeof(struct ext2_super_block));
1550 fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */
1552 if (is_before_linux_ver(2, 2, 0))
1553 fs_param.s_rev_level = 0;
1555 if (argc && *argv) {
1556 program_name = get_progname(*argv);
1558 /* If called as mkfs.ext3, create a journal inode */
1559 if (!strcmp(program_name, "mkfs.ext3") ||
1560 !strcmp(program_name, "mke3fs"))
1564 while ((c = getopt (argc, argv,
1565 "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) {
1568 blocksize = parse_num_blocks2(optarg, -1);
1569 b = (blocksize > 0) ? blocksize : -blocksize;
1570 if (b < EXT2_MIN_BLOCK_SIZE ||
1571 b > EXT2_MAX_BLOCK_SIZE) {
1572 com_err(program_name, 0,
1573 _("invalid block size - %s"), optarg);
1576 if (blocksize > 4096)
1577 fprintf(stderr, _("Warning: blocksize %d not "
1578 "usable on most systems.\n"),
1581 fs_param.s_log_block_size =
1582 int_log2(blocksize >>
1583 EXT2_MIN_BLOCK_LOG_SIZE);
1585 case 'c': /* Check for bad blocks */
1589 cluster_size = parse_num_blocks2(optarg, -1);
1590 if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
1591 cluster_size > EXT2_MAX_CLUSTER_SIZE) {
1592 com_err(program_name, 0,
1593 _("invalid cluster size - %s"),
1599 src_root_dir = optarg;
1605 com_err(program_name, 0, "%s",
1606 _("'-R' is deprecated, use '-E' instead"));
1609 extended_opts = optarg;
1612 if (strcmp(optarg, "continue") == 0)
1613 errors_behavior = EXT2_ERRORS_CONTINUE;
1614 else if (strcmp(optarg, "remount-ro") == 0)
1615 errors_behavior = EXT2_ERRORS_RO;
1616 else if (strcmp(optarg, "panic") == 0)
1617 errors_behavior = EXT2_ERRORS_PANIC;
1619 com_err(program_name, 0,
1620 _("bad error behavior - %s"),
1629 fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
1631 com_err(program_name, 0, "%s",
1632 _("Illegal number for blocks per group"));
1635 if ((fs_param.s_blocks_per_group % 8) != 0) {
1636 com_err(program_name, 0, "%s",
1637 _("blocks per group must be multiple of 8"));
1642 flex_bg_size = strtoul(optarg, &tmp, 0);
1644 com_err(program_name, 0, "%s",
1645 _("Illegal number for flex_bg size"));
1648 if (flex_bg_size < 1 ||
1649 (flex_bg_size & (flex_bg_size-1)) != 0) {
1650 com_err(program_name, 0, "%s",
1651 _("flex_bg size must be a power of 2"));
1654 if (flex_bg_size > MAX_32_NUM) {
1655 com_err(program_name, 0,
1656 _("flex_bg size (%lu) must be less than"
1657 " or equal to 2^31"), flex_bg_size);
1662 inode_ratio = parse_num_blocks(optarg, -1);
1663 if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
1664 inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024) {
1665 com_err(program_name, 0,
1666 _("invalid inode ratio %s (min %d/max %d)"),
1667 optarg, EXT2_MIN_BLOCK_SIZE,
1668 EXT2_MAX_BLOCK_SIZE * 1024);
1673 inode_size = strtoul(optarg, &tmp, 0);
1675 com_err(program_name, 0,
1676 _("invalid inode size - %s"), optarg);
1685 parse_journal_opts(optarg);
1688 fprintf(stderr, "%s",
1689 _("Warning: -K option is deprecated and "
1690 "should not be used anymore. Use "
1691 "\'-E nodiscard\' extended option "
1696 bad_blocks_filename = realloc(bad_blocks_filename,
1697 strlen(optarg) + 1);
1698 if (!bad_blocks_filename) {
1699 com_err(program_name, ENOMEM, "%s",
1700 _("in malloc for bad_blocks_filename"));
1703 strcpy(bad_blocks_filename, optarg);
1706 volume_label = optarg;
1709 reserved_ratio = strtod(optarg, &tmp);
1710 if ( *tmp || reserved_ratio > 50 ||
1711 reserved_ratio < 0) {
1712 com_err(program_name, 0,
1713 _("invalid reserved blocks percent - %s"),
1725 num_inodes = strtoul(optarg, &tmp, 0);
1727 com_err(program_name, 0,
1728 _("bad num inodes - %s"), optarg);
1733 creator_os = optarg;
1736 fs_features = optarg;
1742 r_opt = strtoul(optarg, &tmp, 0);
1744 com_err(program_name, 0,
1745 _("bad revision level - %s"), optarg);
1748 if (r_opt > EXT2_MAX_SUPP_REV) {
1749 com_err(program_name, EXT2_ET_REV_TOO_HIGH,
1750 _("while trying to create revision %d"), r_opt);
1753 fs_param.s_rev_level = r_opt;
1755 case 's': /* deprecated */
1756 s_opt = atoi(optarg);
1763 com_err(program_name, 0, "%s",
1764 _("The -t option may only be used once"));
1767 fs_type = strdup(optarg);
1771 com_err(program_name, 0, "%s",
1772 _("The -T option may only be used once"));
1775 usage_types = strdup(optarg);
1784 /* Print version number and exit */
1785 show_version_only++;
1794 if ((optind == argc) && !show_version_only)
1796 device_name = argv[optind++];
1798 if (!quiet || show_version_only)
1799 fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
1802 if (show_version_only) {
1803 fprintf(stderr, _("\tUsing %s\n"),
1804 error_message(EXT2_ET_BASE));
1809 * If there's no blocksize specified and there is a journal
1810 * device, use it to figure out the blocksize
1812 if (blocksize <= 0 && journal_device) {
1816 #ifdef CONFIG_TESTIO_DEBUG
1817 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1818 io_ptr = test_io_manager;
1819 test_io_backing_manager = unix_io_manager;
1822 io_ptr = unix_io_manager;
1823 retval = ext2fs_open(journal_device,
1824 EXT2_FLAG_JOURNAL_DEV_OK, 0,
1827 com_err(program_name, retval,
1828 _("while trying to open journal device %s\n"),
1832 if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
1833 com_err(program_name, 0,
1834 _("Journal dev blocksize (%d) smaller than "
1835 "minimum blocksize %d\n"), jfs->blocksize,
1839 blocksize = jfs->blocksize;
1840 printf(_("Using journal device's blocksize: %d\n"), blocksize);
1841 fs_param.s_log_block_size =
1842 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
1843 ext2fs_close_free(&jfs);
1846 if (optind < argc) {
1847 fs_blocks_count = parse_num_blocks2(argv[optind++],
1848 fs_param.s_log_block_size);
1849 if (!fs_blocks_count) {
1850 com_err(program_name, 0,
1851 _("invalid blocks '%s' on device '%s'"),
1852 argv[optind - 1], device_name);
1859 profile_get_integer(profile, "options", "proceed_delay", 0, 0,
1862 /* The isatty() test is so we don't break existing scripts */
1863 flags = CREATE_FILE;
1864 if (isatty(0) && isatty(1))
1865 flags |= CHECK_FS_EXIST;
1867 flags |= VERBOSE_CREATE;
1868 if (fs_blocks_count == 0)
1870 if (!check_plausibility(device_name, flags, &is_device) && !force)
1871 proceed_question(proceed_delay);
1873 check_mount(device_name, force, _("filesystem"));
1875 /* Determine the size of the device (if possible) */
1876 if (noaction && fs_blocks_count) {
1877 dev_size = fs_blocks_count;
1880 retval = ext2fs_get_device_size2(device_name,
1881 EXT2_BLOCK_SIZE(&fs_param),
1884 if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
1885 com_err(program_name, retval, "%s",
1886 _("while trying to determine filesystem size"));
1889 if (!fs_blocks_count) {
1890 if (retval == EXT2_ET_UNIMPLEMENTED) {
1891 com_err(program_name, 0, "%s",
1892 _("Couldn't determine device size; you "
1893 "must specify\nthe size of the "
1897 if (dev_size == 0) {
1898 com_err(program_name, 0, "%s",
1899 _("Device size reported to be zero. "
1900 "Invalid partition specified, or\n\t"
1901 "partition table wasn't reread "
1902 "after running fdisk, due to\n\t"
1903 "a modified partition being busy "
1904 "and in use. You may need to reboot\n\t"
1905 "to re-read your partition table.\n"
1909 fs_blocks_count = dev_size;
1910 if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
1911 fs_blocks_count &= ~((blk64_t) ((sys_page_size /
1912 EXT2_BLOCK_SIZE(&fs_param))-1));
1914 } else if (!force && is_device && (fs_blocks_count > dev_size)) {
1915 com_err(program_name, 0, "%s",
1916 _("Filesystem larger than apparent device size."));
1917 proceed_question(proceed_delay);
1921 profile_get_string(profile, "devices", device_name,
1922 "fs_type", 0, &fs_type);
1924 profile_get_string(profile, "devices", device_name,
1925 "usage_types", 0, &usage_types);
1928 * We have the file system (or device) size, so we can now
1929 * determine the appropriate file system types so the fs can
1930 * be appropriately configured.
1932 fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
1933 fs_blocks_count ? fs_blocks_count : dev_size,
1936 fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
1940 /* Figure out what features should be enabled */
1943 if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
1944 tmp = get_string_from_profile(fs_types, "base_features",
1945 "sparse_super,large_file,filetype,resize_inode,dir_index");
1946 edit_feature(tmp, &fs_param.s_feature_compat);
1949 /* And which mount options as well */
1950 tmp = get_string_from_profile(fs_types, "default_mntopts",
1952 edit_mntopts(tmp, &fs_param.s_default_mount_opts);
1956 for (cpp = fs_types; *cpp; cpp++) {
1958 profile_get_string(profile, "fs_types", *cpp,
1959 "features", "", &tmp);
1961 edit_feature(tmp, &fs_param.s_feature_compat);
1965 tmp = get_string_from_profile(fs_types, "default_features",
1968 /* Mask off features which aren't supported by the Hurd */
1969 if (for_hurd(creator_os)) {
1970 ext2fs_clear_feature_filetype(&fs_param);
1971 ext2fs_clear_feature_huge_file(&fs_param);
1972 ext2fs_clear_feature_metadata_csum(&fs_param);
1974 edit_feature(fs_features ? fs_features : tmp,
1975 &fs_param.s_feature_compat);
1979 * If the user specified features incompatible with the Hurd, complain
1981 if (for_hurd(creator_os)) {
1982 if (ext2fs_has_feature_filetype(&fs_param)) {
1983 fprintf(stderr, "%s", _("The HURD does not support the "
1984 "filetype feature.\n"));
1987 if (ext2fs_has_feature_huge_file(&fs_param)) {
1988 fprintf(stderr, "%s", _("The HURD does not support the "
1989 "huge_file feature.\n"));
1992 if (ext2fs_has_feature_metadata_csum(&fs_param)) {
1993 fprintf(stderr, "%s", _("The HURD does not support the "
1994 "metadata_csum feature.\n"));
1999 /* Get the hardware sector sizes, if available */
2000 retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
2002 com_err(program_name, retval, "%s",
2003 _("while trying to determine hardware sector size"));
2006 retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
2008 com_err(program_name, retval, "%s",
2009 _("while trying to determine physical sector size"));
2013 tmp = getenv("MKE2FS_DEVICE_SECTSIZE");
2015 lsector_size = atoi(tmp);
2016 tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2018 psector_size = atoi(tmp);
2020 /* Older kernels may not have physical/logical distinction */
2022 psector_size = lsector_size;
2024 if (blocksize <= 0) {
2025 use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
2027 if (use_bsize == -1) {
2028 use_bsize = sys_page_size;
2029 if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
2032 if (lsector_size && use_bsize < lsector_size)
2033 use_bsize = lsector_size;
2034 if ((blocksize < 0) && (use_bsize < (-blocksize)))
2035 use_bsize = -blocksize;
2036 blocksize = use_bsize;
2037 fs_blocks_count /= (blocksize / 1024);
2039 if (blocksize < lsector_size) { /* Impossible */
2040 com_err(program_name, EINVAL, "%s",
2041 _("while setting blocksize; too small "
2044 } else if ((blocksize < psector_size) &&
2045 (psector_size <= sys_page_size)) { /* Suboptimal */
2046 fprintf(stderr, _("Warning: specified blocksize %d is "
2047 "less than device physical sectorsize %d\n"),
2048 blocksize, psector_size);
2052 fs_param.s_log_block_size =
2053 int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
2056 * We now need to do a sanity check of fs_blocks_count for
2057 * 32-bit vs 64-bit block number support.
2059 if ((fs_blocks_count > MAX_32_NUM) &&
2060 ext2fs_has_feature_64bit(&fs_param))
2061 ext2fs_clear_feature_resize_inode(&fs_param);
2062 if ((fs_blocks_count > MAX_32_NUM) &&
2063 !ext2fs_has_feature_64bit(&fs_param) &&
2064 get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
2065 ext2fs_set_feature_64bit(&fs_param);
2066 ext2fs_clear_feature_resize_inode(&fs_param);
2068 if ((fs_blocks_count > MAX_32_NUM) &&
2069 !ext2fs_has_feature_64bit(&fs_param)) {
2070 fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
2071 "too big to be expressed\n\t"
2072 "in 32 bits using a blocksize of %d.\n"),
2073 program_name, fs_blocks_count, device_name,
2074 EXT2_BLOCK_SIZE(&fs_param));
2078 ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
2080 if (ext2fs_has_feature_journal_dev(&fs_param)) {
2081 fs_types[0] = strdup("journal");
2086 fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
2087 print_str_list(fs_types);
2090 if (r_opt == EXT2_GOOD_OLD_REV &&
2091 (fs_param.s_feature_compat || fs_param.s_feature_incompat ||
2092 fs_param.s_feature_ro_compat)) {
2093 fprintf(stderr, "%s", _("Filesystem features not supported "
2094 "with revision 0 filesystems\n"));
2099 if (r_opt == EXT2_GOOD_OLD_REV) {
2100 fprintf(stderr, "%s",
2101 _("Sparse superblocks not supported "
2102 "with revision 0 filesystems\n"));
2105 ext2fs_set_feature_sparse_super(&fs_param);
2106 } else if (s_opt == 0)
2107 ext2fs_clear_feature_sparse_super(&fs_param);
2109 if (journal_size != 0) {
2110 if (r_opt == EXT2_GOOD_OLD_REV) {
2111 fprintf(stderr, "%s", _("Journals not supported with "
2112 "revision 0 filesystems\n"));
2115 ext2fs_set_feature_journal(&fs_param);
2118 /* Get reserved_ratio from profile if not specified on cmd line. */
2119 if (reserved_ratio < 0.0) {
2120 reserved_ratio = get_double_from_profile(
2121 fs_types, "reserved_ratio", 5.0);
2122 if (reserved_ratio > 50 || reserved_ratio < 0) {
2123 com_err(program_name, 0,
2124 _("invalid reserved blocks percent - %lf"),
2130 if (ext2fs_has_feature_journal_dev(&fs_param)) {
2132 fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
2133 fs_param.s_feature_compat = 0;
2134 fs_param.s_feature_ro_compat &=
2135 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
2138 /* Check the user's mkfs options for 64bit */
2139 if (ext2fs_has_feature_64bit(&fs_param) &&
2140 !ext2fs_has_feature_extents(&fs_param)) {
2141 printf("%s", _("Extents MUST be enabled for a 64-bit "
2142 "filesystem. Pass -O extents to rectify.\n"));
2146 /* Set first meta blockgroup via an environment variable */
2147 /* (this is mostly for debugging purposes) */
2148 if (ext2fs_has_feature_meta_bg(&fs_param) &&
2149 (tmp = getenv("MKE2FS_FIRST_META_BG")))
2150 fs_param.s_first_meta_bg = atoi(tmp);
2151 if (ext2fs_has_feature_bigalloc(&fs_param)) {
2153 cluster_size = get_int_from_profile(fs_types,
2156 fs_param.s_log_cluster_size =
2157 int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
2158 if (fs_param.s_log_cluster_size &&
2159 fs_param.s_log_cluster_size < fs_param.s_log_block_size) {
2160 com_err(program_name, 0, "%s",
2161 _("The cluster size may not be "
2162 "smaller than the block size.\n"));
2165 } else if (cluster_size) {
2166 com_err(program_name, 0, "%s",
2167 _("specifying a cluster size requires the "
2168 "bigalloc feature"));
2171 fs_param.s_log_cluster_size = fs_param.s_log_block_size;
2173 if (inode_ratio == 0) {
2174 inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
2176 if (inode_ratio < blocksize)
2177 inode_ratio = blocksize;
2178 if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
2179 inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
2182 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2183 retval = get_device_geometry(device_name, &fs_param,
2184 (unsigned int) psector_size);
2187 _("warning: Unable to get device geometry for %s\n"),
2189 } else if (retval) {
2190 printf(_("%s alignment is offset by %lu bytes.\n"),
2191 device_name, retval);
2192 printf(_("This may result in very poor performance, "
2193 "(re)-partitioning suggested.\n"));
2197 num_backups = get_int_from_profile(fs_types, "num_backup_sb", 2);
2199 blocksize = EXT2_BLOCK_SIZE(&fs_param);
2202 * Initialize s_desc_size so that the parse_extended_opts()
2203 * can correctly handle "-E resize=NNN" if the 64-bit option
2206 if (ext2fs_has_feature_64bit(&fs_param))
2207 fs_param.s_desc_size = EXT2_MIN_DESC_SIZE_64BIT;
2209 /* This check should happen beyond the last assignment to blocksize */
2210 if (blocksize > sys_page_size) {
2212 com_err(program_name, 0,
2213 _("%d-byte blocks too big for system (max %d)"),
2214 blocksize, sys_page_size);
2215 proceed_question(proceed_delay);
2217 fprintf(stderr, _("Warning: %d-byte blocks too big for system "
2218 "(max %d), forced to continue\n"),
2219 blocksize, sys_page_size);
2222 /* Metadata checksumming wasn't totally stable before 3.18. */
2223 if (is_before_linux_ver(3, 18, 0) &&
2224 ext2fs_has_feature_metadata_csum(&fs_param))
2225 fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
2226 "improved stability of the metadata and journal "
2227 "checksum features.\n"));
2230 * On newer kernels we do have lazy_itable_init support. So pick the
2231 * right default in case ext4 module is not loaded.
2233 if (is_before_linux_ver(2, 6, 37))
2234 lazy_itable_init = 0;
2236 lazy_itable_init = 1;
2238 if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
2239 lazy_itable_init = 1;
2241 lazy_itable_init = get_bool_from_profile(fs_types,
2244 discard = get_bool_from_profile(fs_types, "discard" , discard);
2245 journal_flags |= get_bool_from_profile(fs_types,
2246 "lazy_journal_init", 0) ?
2247 EXT2_MKJOURNAL_LAZYINIT : 0;
2248 journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
2250 if (!journal_location_string)
2251 journal_location_string = get_string_from_profile(fs_types,
2252 "journal_location", "");
2253 if ((journal_location == ~0ULL) && journal_location_string &&
2254 *journal_location_string)
2255 journal_location = parse_num_blocks2(journal_location_string,
2256 fs_param.s_log_block_size);
2257 free(journal_location_string);
2259 packed_meta_blocks = get_bool_from_profile(fs_types,
2260 "packed_meta_blocks", 0);
2261 if (packed_meta_blocks)
2262 journal_location = 0;
2264 /* Get options from profile */
2265 for (cpp = fs_types; *cpp; cpp++) {
2267 profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
2269 parse_extended_opts(&fs_param, tmp);
2274 parse_extended_opts(&fs_param, extended_opts);
2276 /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2277 if (ext2fs_has_feature_metadata_csum(&fs_param) &&
2278 ext2fs_has_feature_gdt_csum(&fs_param))
2279 ext2fs_clear_feature_gdt_csum(&fs_param);
2281 /* Can't support bigalloc feature without extents feature */
2282 if (ext2fs_has_feature_bigalloc(&fs_param) &&
2283 !ext2fs_has_feature_extents(&fs_param)) {
2284 com_err(program_name, 0, "%s",
2285 _("Can't support bigalloc feature without "
2286 "extents feature"));
2290 if (ext2fs_has_feature_meta_bg(&fs_param) &&
2291 ext2fs_has_feature_resize_inode(&fs_param)) {
2292 fprintf(stderr, "%s", _("The resize_inode and meta_bg "
2293 "features are not compatible.\n"
2294 "They can not be both enabled "
2295 "simultaneously.\n"));
2299 if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
2300 fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
2301 "still under development\n"
2302 "See https://ext4.wiki.kernel.org/"
2303 "index.php/Bigalloc for more information\n\n"));
2306 * Since sparse_super is the default, we would only have a problem
2307 * here if it was explicitly disabled.
2309 if (ext2fs_has_feature_resize_inode(&fs_param) &&
2310 !ext2fs_has_feature_sparse_super(&fs_param)) {
2311 com_err(program_name, 0, "%s",
2312 _("reserved online resize blocks not supported "
2313 "on non-sparse filesystem"));
2317 if (fs_param.s_blocks_per_group) {
2318 if (fs_param.s_blocks_per_group < 256 ||
2319 fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
2320 com_err(program_name, 0, "%s",
2321 _("blocks per group count out of range"));
2327 * If the bigalloc feature is enabled, then the -g option will
2328 * specify the number of clusters per group.
2330 if (ext2fs_has_feature_bigalloc(&fs_param)) {
2331 fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
2332 fs_param.s_blocks_per_group = 0;
2335 if (inode_size == 0)
2336 inode_size = get_int_from_profile(fs_types, "inode_size", 0);
2337 if (!flex_bg_size && ext2fs_has_feature_flex_bg(&fs_param))
2338 flex_bg_size = get_uint_from_profile(fs_types,
2339 "flex_bg_size", 16);
2341 if (!ext2fs_has_feature_flex_bg(&fs_param)) {
2342 com_err(program_name, 0, "%s",
2343 _("Flex_bg feature not enabled, so "
2344 "flex_bg size may not be specified"));
2347 fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
2350 if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
2351 if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
2352 inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
2353 inode_size & (inode_size - 1)) {
2354 com_err(program_name, 0,
2355 _("invalid inode size %d (min %d/max %d)"),
2356 inode_size, EXT2_GOOD_OLD_INODE_SIZE,
2360 fs_param.s_inode_size = inode_size;
2364 * If inode size is 128 and inline data is enabled, we need
2365 * to notify users that inline data will never be useful.
2367 if (ext2fs_has_feature_inline_data(&fs_param) &&
2368 fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2369 com_err(program_name, 0,
2370 _("%d byte inodes are too small for inline data; "
2371 "specify larger size"),
2372 fs_param.s_inode_size);
2377 * If inode size is 128 and project quota is enabled, we need
2378 * to notify users that project ID will never be useful.
2380 if (ext2fs_has_feature_project(&fs_param) &&
2381 fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
2382 com_err(program_name, 0,
2383 _("%d byte inodes are too small for project quota; "
2384 "specify larger size"),
2385 fs_param.s_inode_size);
2389 /* Make sure number of inodes specified will fit in 32 bits */
2390 if (num_inodes == 0) {
2391 unsigned long long n;
2392 n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
2393 if (n > MAX_32_NUM) {
2394 if (ext2fs_has_feature_64bit(&fs_param))
2395 num_inodes = MAX_32_NUM;
2397 com_err(program_name, 0,
2398 _("too many inodes (%llu), raise "
2399 "inode ratio?"), n);
2403 } else if (num_inodes > MAX_32_NUM) {
2404 com_err(program_name, 0,
2405 _("too many inodes (%llu), specify < 2^32 inodes"),
2410 * Calculate number of inodes based on the inode ratio
2412 fs_param.s_inodes_count = num_inodes ? num_inodes :
2413 (ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
2415 if ((((unsigned long long)fs_param.s_inodes_count) *
2416 (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
2417 ((ext2fs_blocks_count(&fs_param)) *
2418 EXT2_BLOCK_SIZE(&fs_param))) {
2419 com_err(program_name, 0, _("inode_size (%u) * inodes_count "
2420 "(%u) too big for a\n\t"
2421 "filesystem with %llu blocks, "
2422 "specify higher inode_ratio (-i)\n\t"
2423 "or lower inode count (-N).\n"),
2424 inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
2425 fs_param.s_inodes_count,
2426 (unsigned long long) ext2fs_blocks_count(&fs_param));
2431 * Calculate number of blocks to reserve
2433 ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
2434 ext2fs_blocks_count(&fs_param) / 100.0);
2436 if (ext2fs_has_feature_sparse_super2(&fs_param)) {
2437 if (num_backups >= 1)
2438 fs_param.s_backup_bgs[0] = 1;
2439 if (num_backups >= 2)
2440 fs_param.s_backup_bgs[1] = ~0;
2447 static int should_do_undo(const char *name)
2452 struct ext2_super_block super;
2453 io_manager manager = unix_io_manager;
2454 int csum_flag, force_undo;
2456 csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
2457 ext2fs_has_feature_gdt_csum(&fs_param);
2458 force_undo = get_int_from_profile(fs_types, "force_undo", 0);
2459 if (!force_undo && (!csum_flag || !lazy_itable_init))
2462 retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel);
2465 * We don't handle error cases instead we
2466 * declare that the file system doesn't exist
2467 * and let the rest of mke2fs take care of
2474 io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
2475 retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
2481 #if defined(WORDS_BIGENDIAN)
2482 s_magic = ext2fs_swab16(super.s_magic);
2484 s_magic = super.s_magic;
2487 if (s_magic == EXT2_SUPER_MAGIC)
2491 io_channel_close(channel);
2498 static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
2500 errcode_t retval = ENOMEM;
2501 char *tdb_dir = NULL, *tdb_file = NULL;
2502 char *dev_name, *tmp_name;
2503 int free_tdb_dir = 0;
2505 /* (re)open a specific undo file */
2506 if (undo_file && undo_file[0] != 0) {
2507 retval = set_undo_io_backing_manager(*io_ptr);
2510 *io_ptr = undo_io_manager;
2511 retval = set_undo_io_backup_file(undo_file);
2514 printf(_("Overwriting existing filesystem; this can be undone "
2515 "using the command:\n"
2516 " e2undo %s %s\n\n"), undo_file, name);
2521 * Configuration via a conf file would be
2524 tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2526 profile_get_string(profile, "defaults",
2527 "undo_dir", 0, "/var/lib/e2fsprogs",
2532 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2533 access(tdb_dir, W_OK)) {
2539 tmp_name = strdup(name);
2542 dev_name = basename(tmp_name);
2543 tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1);
2548 sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, dev_name);
2551 if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2553 com_err(program_name, retval,
2554 _("while trying to delete %s"), tdb_file);
2558 retval = set_undo_io_backing_manager(*io_ptr);
2561 *io_ptr = undo_io_manager;
2562 retval = set_undo_io_backup_file(tdb_file);
2565 printf(_("Overwriting existing filesystem; this can be undone "
2566 "using the command:\n"
2567 " e2undo %s %s\n\n"), tdb_file, name);
2579 com_err(program_name, retval, "%s",
2580 _("while trying to setup undo file\n"));
2584 static int mke2fs_discard_device(ext2_filsys fs)
2586 struct ext2fs_numeric_progress_struct progress;
2587 blk64_t blocks = ext2fs_blocks_count(fs->super);
2588 blk64_t count = DISCARD_STEP_MB;
2593 * Let's try if discard really works on the device, so
2594 * we do not print numeric progress resulting in failure
2597 retval = io_channel_discard(fs->io, 0, fs->blocksize);
2600 cur = fs->blocksize;
2602 count *= (1024 * 1024);
2603 count /= fs->blocksize;
2605 ext2fs_numeric_progress_init(fs, &progress,
2606 _("Discarding device blocks: "),
2608 while (cur < blocks) {
2609 ext2fs_numeric_progress_update(fs, &progress, cur);
2611 if (cur + count > blocks)
2612 count = blocks - cur;
2614 retval = io_channel_discard(fs->io, cur, count);
2621 ext2fs_numeric_progress_close(fs, &progress,
2624 printf("%s\n",error_message(retval));
2626 ext2fs_numeric_progress_close(fs, &progress,
2632 static void fix_cluster_bg_counts(ext2_filsys fs)
2634 blk64_t block, num_blocks, last_block, next;
2635 blk64_t tot_free = 0;
2640 num_blocks = ext2fs_blocks_count(fs->super);
2641 last_block = ext2fs_group_last_block2(fs, group);
2642 block = fs->super->s_first_data_block;
2643 while (block < num_blocks) {
2644 retval = ext2fs_find_first_zero_block_bitmap2(fs->block_map,
2645 block, last_block, &next);
2649 block = last_block + 1;
2653 retval = ext2fs_find_first_set_block_bitmap2(fs->block_map,
2654 block, last_block, &next);
2656 next = last_block + 1;
2657 grp_free += EXT2FS_NUM_B2C(fs, next - block);
2658 tot_free += next - block;
2661 if (block > last_block) {
2663 ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
2664 ext2fs_group_desc_csum_set(fs, group);
2667 last_block = ext2fs_group_last_block2(fs, group);
2670 ext2fs_free_blocks_count_set(fs->super, tot_free);
2673 static int create_quota_inodes(ext2_filsys fs)
2677 quota_init_context(&qctx, fs, QUOTA_ALL_BIT);
2678 quota_compute_usage(qctx);
2679 quota_write_inode(qctx, quotatype_bits);
2680 quota_release_context(&qctx);
2685 static errcode_t set_error_behavior(ext2_filsys fs)
2688 short errors = fs->super->s_errors;
2690 arg = get_string_from_profile(fs_types, "errors", NULL);
2694 if (strcmp(arg, "continue") == 0)
2695 errors = EXT2_ERRORS_CONTINUE;
2696 else if (strcmp(arg, "remount-ro") == 0)
2697 errors = EXT2_ERRORS_RO;
2698 else if (strcmp(arg, "panic") == 0)
2699 errors = EXT2_ERRORS_PANIC;
2701 com_err(program_name, 0,
2702 _("bad error behavior in profile - %s"),
2705 return EXT2_ET_INVALID_ARGUMENT;
2710 if (errors_behavior)
2711 errors = errors_behavior;
2713 fs->super->s_errors = errors;
2717 int main (int argc, char *argv[])
2719 errcode_t retval = 0;
2721 badblocks_list bb_list = 0;
2722 unsigned int journal_blocks = 0;
2723 unsigned int i, checkinterval;
2729 char opt_string[40];
2731 int itable_zeroed = 0;
2734 setlocale(LC_MESSAGES, "");
2735 setlocale(LC_CTYPE, "");
2736 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2737 textdomain(NLS_CAT_NAME);
2738 set_com_err_gettext(gettext);
2742 #ifdef CONFIG_TESTIO_DEBUG
2743 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2744 io_ptr = test_io_manager;
2745 test_io_backing_manager = unix_io_manager;
2748 io_ptr = unix_io_manager;
2750 if (undo_file != NULL || should_do_undo(device_name)) {
2751 retval = mke2fs_setup_tdb(device_name, &io_ptr);
2757 * Initialize the superblock....
2759 flags = EXT2_FLAG_EXCLUSIVE;
2761 flags |= EXT2_FLAG_DIRECT_IO;
2762 profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
2765 flags |= EXT2_FLAG_64BITS;
2767 * By default, we print how many inode tables or block groups
2768 * or whatever we've written so far. The quiet flag disables
2769 * this, along with a lot of other output.
2772 flags |= EXT2_FLAG_PRINT_PROGRESS;
2773 retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs);
2775 com_err(device_name, retval, "%s",
2776 _("while setting up superblock"));
2779 fs->progress_ops = &ext2fs_numeric_progress_ops;
2781 /* Set the error behavior */
2782 retval = set_error_behavior(fs);
2786 /* Check the user's mkfs options for metadata checksumming */
2788 !ext2fs_has_feature_journal_dev(fs->super) &&
2789 ext2fs_has_feature_metadata_csum(fs->super)) {
2790 if (!ext2fs_has_feature_extents(fs->super))
2792 _("Extents are not enabled. The file extent "
2793 "tree can be checksummed, whereas block maps "
2794 "cannot. Not enabling extents reduces the "
2795 "coverage of metadata checksumming. "
2796 "Pass -O extents to rectify.\n"));
2797 if (!ext2fs_has_feature_64bit(fs->super))
2799 _("64-bit filesystem support is not enabled. "
2800 "The larger fields afforded by this feature "
2801 "enable full-strength checksumming. "
2802 "Pass -O 64bit to rectify.\n"));
2805 /* Calculate journal blocks */
2806 if (!journal_device && ((journal_size) ||
2807 ext2fs_has_feature_journal(&fs_param)))
2808 journal_blocks = figure_journal_size(journal_size, fs);
2810 /* Can't undo discard ... */
2811 if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
2812 retval = mke2fs_discard_device(fs);
2813 if (!retval && io_channel_discard_zeroes_data(fs->io)) {
2816 _("Discard succeeded and will return "
2817 "0s - skipping inode table wipe\n"));
2818 lazy_itable_init = 1;
2824 sprintf(opt_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
2825 32768 : fs->blocksize * 8);
2826 io_channel_set_options(fs->io, opt_string);
2828 sprintf(opt_string, "offset=%llu", offset);
2829 io_channel_set_options(fs->io, opt_string);
2832 if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
2833 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2835 if (ext2fs_has_feature_flex_bg(&fs_param) ||
2836 ext2fs_has_feature_huge_file(&fs_param) ||
2837 ext2fs_has_feature_gdt_csum(&fs_param) ||
2838 ext2fs_has_feature_dir_nlink(&fs_param) ||
2839 ext2fs_has_feature_metadata_csum(&fs_param) ||
2840 ext2fs_has_feature_extra_isize(&fs_param))
2841 fs->super->s_kbytes_written = 1;
2844 * Wipe out the old on-disk superblock
2847 zap_sector(fs, 2, 6);
2850 * Parse or generate a UUID for the filesystem
2853 if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) {
2854 com_err(device_name, 0, "could not parse UUID: %s\n",
2859 uuid_generate(fs->super->s_uuid);
2860 ext2fs_init_csum_seed(fs);
2863 * Initialize the directory index variables
2865 hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
2867 hash_alg = e2p_string2hash(hash_alg_str);
2869 fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
2871 uuid_generate((unsigned char *) fs->super->s_hash_seed);
2874 * Periodic checks can be enabled/disabled via config file.
2875 * Note we override the kernel include file's idea of what the default
2876 * check interval (never) should be. It's a good idea to check at
2877 * least *occasionally*, specially since servers will never rarely get
2878 * to reboot, since Linux is so robust these days. :-)
2880 * 180 days (six months) seems like a good value.
2882 #ifdef EXT2_DFL_CHECKINTERVAL
2883 #undef EXT2_DFL_CHECKINTERVAL
2885 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
2887 if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
2888 fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
2889 fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
2891 * Add "jitter" to the superblock's check interval so that we
2892 * don't check all the filesystems at the same time. We use a
2893 * kludgy hack of using the UUID to derive a random jitter value
2895 for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
2896 val += fs->super->s_uuid[i];
2897 fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
2899 fs->super->s_max_mnt_count = -1;
2902 * Override the creator OS, if applicable
2904 if (creator_os && !set_os(fs->super, creator_os)) {
2905 com_err (program_name, 0, _("unknown os - %s"), creator_os);
2910 * For the Hurd, we will turn off filetype since it doesn't
2913 if (fs->super->s_creator_os == EXT2_OS_HURD)
2914 ext2fs_clear_feature_filetype(fs->super);
2917 * Set the volume label...
2920 memset(fs->super->s_volume_name, 0,
2921 sizeof(fs->super->s_volume_name));
2922 strncpy(fs->super->s_volume_name, volume_label,
2923 sizeof(fs->super->s_volume_name));
2927 * Set the last mount directory
2930 memset(fs->super->s_last_mounted, 0,
2931 sizeof(fs->super->s_last_mounted));
2932 strncpy(fs->super->s_last_mounted, mount_dir,
2933 sizeof(fs->super->s_last_mounted));
2936 /* Set current default encryption algorithms for data and
2937 * filename encryption */
2938 if (ext2fs_has_feature_encrypt(fs->super)) {
2939 fs->super->s_encrypt_algos[0] =
2940 EXT4_ENCRYPTION_MODE_AES_256_XTS;
2941 fs->super->s_encrypt_algos[1] =
2942 EXT4_ENCRYPTION_MODE_AES_256_CTS;
2945 if (ext2fs_has_feature_metadata_csum(fs->super))
2946 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
2948 if (!quiet || noaction)
2954 if (ext2fs_has_feature_journal_dev(fs->super)) {
2955 create_journal_dev(fs);
2957 exit(ext2fs_close_free(&fs) ? 1 : 0);
2960 if (bad_blocks_filename)
2961 read_bb_file(fs, &bb_list, bad_blocks_filename);
2963 test_disk(fs, &bb_list);
2964 handle_bad_blocks(fs, bb_list);
2966 fs->stride = fs_stride = fs->super->s_raid_stride;
2968 printf("%s", _("Allocating group tables: "));
2969 if (ext2fs_has_feature_flex_bg(fs->super) &&
2971 retval = packed_allocate_tables(fs);
2973 retval = ext2fs_allocate_tables(fs);
2975 com_err(program_name, retval, "%s",
2976 _("while trying to allocate filesystem tables"));
2980 printf("%s", _("done \n"));
2982 retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
2984 com_err(program_name, retval, "%s",
2985 _("\n\twhile converting subcluster bitmap"));
2990 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
2991 printf(_("%s may be further corrupted by superblock rewrite\n"),
2994 proceed_question(proceed_delay);
2995 fs->super->s_state |= EXT2_ERROR_FS;
2996 fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
2998 * The command "mke2fs -S" is used to recover
2999 * corrupted file systems, so do not mark any of the
3000 * inodes as unused; we want e2fsck to consider all
3001 * inodes as potentially containing recoverable data.
3003 if (ext2fs_has_group_desc_csum(fs)) {
3004 for (i = 0; i < fs->group_desc_count; i++)
3005 ext2fs_bg_itable_unused_set(fs, i, 0);
3008 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3009 blk64_t rsv = 65536 / fs->blocksize;
3010 blk64_t blocks = ext2fs_blocks_count(fs->super);
3014 #ifdef ZAP_BOOTBLOCK
3015 zap_sector(fs, 0, 2);
3019 * Wipe out any old MD RAID (or other) metadata at the end
3020 * of the device. This will also verify that the device is
3021 * as large as we think. Be careful with very small devices.
3023 start = (blocks & ~(rsv - 1));
3027 retval = ext2fs_zero_blocks2(fs, start, blocks - start,
3031 com_err(program_name, retval,
3032 _("while zeroing block %llu at end of filesystem"),
3035 write_inode_tables(fs, lazy_itable_init, itable_zeroed);
3036 create_root_dir(fs);
3037 create_lost_and_found(fs);
3039 create_bad_block_inode(fs, bb_list);
3040 if (ext2fs_has_feature_resize_inode(fs->super)) {
3041 retval = ext2fs_create_resize_inode(fs);
3043 com_err("ext2fs_create_resize_inode", retval,
3045 _("while reserving blocks for online resize"));
3051 if (journal_device) {
3054 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
3056 proceed_question(proceed_delay);
3057 check_mount(journal_device, force, _("journal"));
3059 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
3060 EXT2_FLAG_JOURNAL_DEV_OK, 0,
3061 fs->blocksize, unix_io_manager, &jfs);
3063 com_err(program_name, retval,
3064 _("while trying to open journal device %s\n"),
3069 printf(_("Adding journal to device %s: "),
3073 retval = ext2fs_add_journal_device(fs, jfs);
3075 com_err (program_name, retval,
3076 _("\n\twhile trying to add journal to device %s"),
3081 printf("%s", _("done\n"));
3082 ext2fs_close_free(&jfs);
3083 free(journal_device);
3084 } else if ((journal_size) ||
3085 ext2fs_has_feature_journal(&fs_param)) {
3087 printf("%s", _("Skipping journal creation in super-only mode\n"));
3088 fs->super->s_journal_inum = EXT2_JOURNAL_INO;
3092 if (!journal_blocks) {
3093 ext2fs_clear_feature_journal(fs->super);
3097 printf(_("Creating journal (%u blocks): "),
3101 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
3105 com_err(program_name, retval, "%s",
3106 _("\n\twhile trying to create journal"));
3110 printf("%s", _("done\n"));
3114 ext2fs_has_feature_mmp(fs->super)) {
3115 retval = ext2fs_mmp_init(fs);
3117 fprintf(stderr, "%s",
3118 _("\nError while enabling multiple "
3119 "mount protection feature."));
3123 printf(_("Multiple mount protection is enabled "
3124 "with update interval %d seconds.\n"),
3125 fs->super->s_mmp_update_interval);
3128 if (ext2fs_has_feature_bigalloc(&fs_param))
3129 fix_cluster_bg_counts(fs);
3130 if (ext2fs_has_feature_project(&fs_param))
3131 quotatype_bits |= QUOTA_PRJ_BIT;
3132 if (ext2fs_has_feature_quota(&fs_param))
3133 create_quota_inodes(fs);
3135 retval = mk_hugefiles(fs, device_name);
3137 com_err(program_name, retval, "while creating huge files");
3138 /* Copy files from the specified directory */
3141 printf("%s", _("Copying files into the device: "));
3143 retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
3146 com_err(program_name, retval, "%s",
3147 _("while populating file system"));
3150 printf("%s", _("done\n"));
3154 printf("%s", _("Writing superblocks and "
3155 "filesystem accounting information: "));
3156 checkinterval = fs->super->s_checkinterval;
3157 max_mnt_count = fs->super->s_max_mnt_count;
3158 retval = ext2fs_close_free(&fs);
3160 fprintf(stderr, "%s",
3161 _("\nWarning, had trouble writing out superblocks."));
3162 } else if (!quiet) {
3163 printf("%s", _("done\n\n"));
3164 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3165 print_check_message(max_mnt_count, checkinterval);
3168 remove_error_table(&et_ext2_error_table);
3169 remove_error_table(&et_prof_error_table);
3170 profile_release(profile);
3171 for (i=0; fs_types[i]; i++)