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
28 #include <sys/utsname.h>
29 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
46 #ifdef HAVE_SYS_IOCTL_H
47 #include <sys/ioctl.h>
51 #include <blkid/blkid.h>
53 #include "ext2fs/ext2_fs.h"
54 #include "ext2fs/ext2fsP.h"
55 #include "uuid/uuid.h"
57 #include "support/nls-enable.h"
58 #include "support/plausible.h"
59 #include "support/profile.h"
60 #include "support/prof_err.h"
61 #include "../version.h"
62 #include "support/quotaio.h"
64 #include "create_inode.h"
66 #define STRIDE_LENGTH 8
68 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
74 #define DISCARD_STEP_MB (2048)
76 extern int isatty(int);
77 extern FILE *fpopen(const char *cmd
, const char *mode
);
79 const char * program_name
= "mke2fs";
80 static const char * device_name
/* = NULL */;
82 /* Command line options */
86 static int super_only
;
87 static int discard
= 1; /* attempt to discard device before fs creation */
91 static int num_backups
= 2; /* number of backup bg's for sparse_super2 */
92 static uid_t root_uid
;
93 static gid_t root_gid
;
97 static e2_blkcnt_t orphan_file_blocks
;
98 static int lazy_itable_init
;
99 static int assume_storage_prezeroed
;
100 static int packed_meta_blocks
;
102 static char *bad_blocks_filename
= NULL
;
103 static __u32 fs_stride
;
104 /* Initialize usr/grp quotas by default */
105 static unsigned int quotatype_bits
= (QUOTA_USR_BIT
| QUOTA_GRP_BIT
);
107 static blk64_t journal_location
= ~0LL;
108 static int proceed_delay
= -1;
109 static blk64_t dev_size
;
111 static struct ext2_super_block fs_param
;
112 static __u32 zero_buf
[4];
113 static char *fs_uuid
= NULL
;
114 static char *creator_os
;
115 static char *volume_label
;
116 static char *mount_dir
;
117 char *journal_device
;
118 static int sync_kludge
; /* Set using the MKE2FS_SYNC env. option */
120 const char *src_root_dir
; /* Copy files from the specified directory */
121 static char *undo_file
;
123 static int android_sparse_file
; /* -E android_sparse */
125 static profile_t profile
;
127 static int sys_page_size
= 4096;
129 static int errors_behavior
= 0;
131 static void usage(void)
133 fprintf(stderr
, _("Usage: %s [-c|-l filename] [-b block-size] "
134 "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
135 "[-J journal-options]\n"
136 "\t[-G flex-group-size] [-N number-of-inodes] "
137 "[-d root-directory]\n"
138 "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
139 "\t[-g blocks-per-group] [-L volume-label] "
140 "[-M last-mounted-directory]\n\t[-O feature[,...]] "
141 "[-r fs-revision] [-E extended-option[,...]]\n"
142 "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
144 "\t[-jnqvDFSV] device [blocks-count]\n"),
149 static int int_log2(unsigned long long arg
)
161 int int_log10(unsigned long long arg
)
171 static int parse_version_number(const char *s
)
173 int major
, minor
, rev
;
179 major
= strtol(cp
, &endptr
, 10);
180 if (cp
== endptr
|| *endptr
!= '.')
183 minor
= strtol(cp
, &endptr
, 10);
184 if (cp
== endptr
|| *endptr
!= '.')
187 rev
= strtol(cp
, &endptr
, 10);
190 return KERNEL_VERSION(major
, minor
, rev
);
193 static int is_before_linux_ver(unsigned int major
, unsigned int minor
,
197 static int linux_version_code
= -1;
203 if (linux_version_code
< 0)
204 linux_version_code
= parse_version_number(ut
.release
);
205 if (linux_version_code
== 0)
208 return linux_version_code
< (int) KERNEL_VERSION(major
, minor
, rev
);
211 static int is_before_linux_ver(unsigned int major
, unsigned int minor
,
219 * Helper function for read_bb_file and test_disk
221 static void invalid_block(ext2_filsys fs
EXT2FS_ATTR((unused
)), blk_t blk
)
223 fprintf(stderr
, _("Bad block %u out of range; ignored.\n"), blk
);
228 * Reads the bad blocks list from a file
230 static void read_bb_file(ext2_filsys fs
, badblocks_list
*bb_list
,
231 const char *bad_blocks_file
)
236 f
= fopen(bad_blocks_file
, "r");
238 com_err("read_bad_blocks_file", errno
,
239 _("while trying to open %s"), bad_blocks_file
);
242 retval
= ext2fs_read_bb_FILE(fs
, f
, bb_list
, invalid_block
);
245 com_err("ext2fs_read_bb_FILE", retval
, "%s",
246 _("while reading in list of bad blocks from file"));
252 * Runs the badblocks program to test the disk
254 static void test_disk(ext2_filsys fs
, badblocks_list
*bb_list
)
260 sprintf(buf
, "badblocks -b %d -X %s%s%s %llu", fs
->blocksize
,
261 quiet
? "" : "-s ", (cflag
> 1) ? "-w " : "",
263 (unsigned long long) ext2fs_blocks_count(fs
->super
)-1);
265 printf(_("Running command: %s\n"), buf
);
268 com_err("popen", errno
,
269 _("while trying to run '%s'"), buf
);
272 retval
= ext2fs_read_bb_FILE(fs
, f
, bb_list
, invalid_block
);
275 com_err("ext2fs_read_bb_FILE", retval
, "%s",
276 _("while processing list of bad blocks from program"));
281 static void handle_bad_blocks(ext2_filsys fs
, badblocks_list bb_list
)
285 unsigned must_be_good
;
287 badblocks_iterate bb_iter
;
297 * The primary superblock and group descriptors *must* be
298 * good; if not, abort.
300 must_be_good
= fs
->super
->s_first_data_block
+ 1 + fs
->desc_blocks
;
301 for (i
= fs
->super
->s_first_data_block
; i
<= must_be_good
; i
++) {
302 if (ext2fs_badblocks_list_test(bb_list
, i
)) {
303 fprintf(stderr
, _("Block %d in primary "
304 "superblock/group descriptor area bad.\n"), i
);
305 fprintf(stderr
, _("Blocks %u through %u must be good "
306 "in order to build a filesystem.\n"),
307 fs
->super
->s_first_data_block
, must_be_good
);
308 fputs(_("Aborting....\n"), stderr
);
314 * See if any of the bad blocks are showing up in the backup
315 * superblocks and/or group descriptors. If so, issue a
316 * warning and adjust the block counts appropriately.
318 group_block
= fs
->super
->s_first_data_block
+
319 fs
->super
->s_blocks_per_group
;
321 for (i
= 1; i
< fs
->group_desc_count
; i
++) {
323 for (j
=0; j
< fs
->desc_blocks
+1; j
++) {
324 if (ext2fs_badblocks_list_test(bb_list
,
328 _("Warning: the backup superblock/group descriptors at block %u contain\n"
332 group
= ext2fs_group_of_blk2(fs
, group_block
+j
);
333 ext2fs_bg_free_blocks_count_set(fs
, group
, ext2fs_bg_free_blocks_count(fs
, group
) + 1);
334 ext2fs_group_desc_csum_set(fs
, group
);
335 ext2fs_free_blocks_count_add(fs
->super
, 1);
338 group_block
+= fs
->super
->s_blocks_per_group
;
342 * Mark all the bad blocks as used...
344 retval
= ext2fs_badblocks_list_iterate_begin(bb_list
, &bb_iter
);
346 com_err("ext2fs_badblocks_list_iterate_begin", retval
, "%s",
347 _("while marking bad blocks as used"));
350 while (ext2fs_badblocks_list_iterate(bb_iter
, &blk
))
351 ext2fs_mark_block_bitmap2(fs
->block_map
, blk
);
352 ext2fs_badblocks_list_iterate_end(bb_iter
);
355 static void write_reserved_inodes(ext2_filsys fs
)
359 struct ext2_inode
*inode
;
361 retval
= ext2fs_get_memzero(EXT2_INODE_SIZE(fs
->super
), &inode
);
363 com_err("inode_init", retval
, _("while allocating memory"));
367 for (ino
= 1; ino
< EXT2_FIRST_INO(fs
->super
); ino
++) {
368 retval
= ext2fs_write_inode_full(fs
, ino
, inode
,
369 EXT2_INODE_SIZE(fs
->super
));
371 com_err("ext2fs_write_inode_full", retval
,
372 _("while writing reserved inodes"));
377 ext2fs_free_mem(&inode
);
380 static errcode_t
packed_allocate_tables(ext2_filsys fs
)
386 for (i
= 0; i
< fs
->group_desc_count
; i
++) {
387 retval
= ext2fs_new_block2(fs
, goal
, NULL
, &goal
);
390 ext2fs_block_alloc_stats2(fs
, goal
, +1);
391 ext2fs_block_bitmap_loc_set(fs
, i
, goal
);
393 for (i
= 0; i
< fs
->group_desc_count
; i
++) {
394 retval
= ext2fs_new_block2(fs
, goal
, NULL
, &goal
);
397 ext2fs_block_alloc_stats2(fs
, goal
, +1);
398 ext2fs_inode_bitmap_loc_set(fs
, i
, goal
);
400 for (i
= 0; i
< fs
->group_desc_count
; i
++) {
401 blk64_t end
= ext2fs_blocks_count(fs
->super
) - 1;
402 retval
= ext2fs_get_free_blocks2(fs
, goal
, end
,
403 fs
->inode_blocks_per_group
,
404 fs
->block_map
, &goal
);
407 ext2fs_block_alloc_stats_range(fs
, goal
,
408 fs
->inode_blocks_per_group
, +1);
409 ext2fs_inode_table_loc_set(fs
, i
, goal
);
410 ext2fs_group_desc_csum_set(fs
, i
);
415 static void write_inode_tables(ext2_filsys fs
, int lazy_flag
, int itable_zeroed
)
421 struct ext2fs_numeric_progress_struct progress
;
423 ext2fs_numeric_progress_init(fs
, &progress
,
424 _("Writing inode tables: "),
425 fs
->group_desc_count
);
427 for (i
= 0; i
< fs
->group_desc_count
; i
++) {
428 ext2fs_numeric_progress_update(fs
, &progress
, i
);
430 blk
= ext2fs_inode_table_loc(fs
, i
);
431 num
= fs
->inode_blocks_per_group
;
434 num
= ext2fs_div_ceil((fs
->super
->s_inodes_per_group
-
435 ext2fs_bg_itable_unused(fs
, i
)) *
436 EXT2_INODE_SIZE(fs
->super
),
437 EXT2_BLOCK_SIZE(fs
->super
));
438 if (!lazy_flag
|| itable_zeroed
) {
439 /* The kernel doesn't need to zero the itable blocks */
440 ext2fs_bg_flags_set(fs
, i
, EXT2_BG_INODE_ZEROED
);
441 ext2fs_group_desc_csum_set(fs
, i
);
443 if (!itable_zeroed
) {
444 retval
= ext2fs_zero_blocks2(fs
, blk
, num
, &blk
, &num
);
446 fprintf(stderr
, _("\nCould not write %d "
447 "blocks in inode table starting at %llu: %s\n"),
448 num
, (unsigned long long) blk
,
449 error_message(retval
));
454 if (sync_kludge
== 1)
455 io_channel_flush(fs
->io
);
456 else if ((i
% sync_kludge
) == 0)
457 io_channel_flush(fs
->io
);
460 ext2fs_numeric_progress_close(fs
, &progress
,
463 /* Reserved inodes must always have correct checksums */
464 if (ext2fs_has_feature_metadata_csum(fs
->super
))
465 write_reserved_inodes(fs
);
468 static void create_root_dir(ext2_filsys fs
)
471 struct ext2_inode inode
;
473 retval
= ext2fs_mkdir(fs
, EXT2_ROOT_INO
, EXT2_ROOT_INO
, 0);
475 com_err("ext2fs_mkdir", retval
, "%s",
476 _("while creating root dir"));
479 if (root_uid
!= 0 || root_gid
!= 0) {
480 retval
= ext2fs_read_inode(fs
, EXT2_ROOT_INO
, &inode
);
482 com_err("ext2fs_read_inode", retval
, "%s",
483 _("while reading root inode"));
487 inode
.i_uid
= root_uid
;
488 ext2fs_set_i_uid_high(inode
, root_uid
>> 16);
489 inode
.i_gid
= root_gid
;
490 ext2fs_set_i_gid_high(inode
, root_gid
>> 16);
492 retval
= ext2fs_write_new_inode(fs
, EXT2_ROOT_INO
, &inode
);
494 com_err("ext2fs_write_inode", retval
, "%s",
495 _("while setting root inode ownership"));
501 static void create_lost_and_found(ext2_filsys fs
)
503 unsigned int lpf_size
= 0;
506 const char *name
= "lost+found";
510 retval
= ext2fs_mkdir(fs
, EXT2_ROOT_INO
, 0, name
);
512 com_err("ext2fs_mkdir", retval
, "%s",
513 _("while creating /lost+found"));
517 retval
= ext2fs_lookup(fs
, EXT2_ROOT_INO
, name
, strlen(name
), 0, &ino
);
519 com_err("ext2_lookup", retval
, "%s",
520 _("while looking up /lost+found"));
524 for (i
=1; i
< EXT2_NDIR_BLOCKS
; i
++) {
525 /* Ensure that lost+found is at least 2 blocks, so we always
526 * test large empty blocks for big-block filesystems. */
527 if ((lpf_size
+= fs
->blocksize
) >= 16*1024 &&
528 lpf_size
>= 2 * fs
->blocksize
)
530 retval
= ext2fs_expand_dir(fs
, ino
);
532 com_err("ext2fs_expand_dir", retval
, "%s",
533 _("while expanding /lost+found"));
539 static void create_bad_block_inode(ext2_filsys fs
, badblocks_list bb_list
)
543 ext2fs_mark_inode_bitmap2(fs
->inode_map
, EXT2_BAD_INO
);
544 ext2fs_inode_alloc_stats2(fs
, EXT2_BAD_INO
, +1, 0);
545 retval
= ext2fs_update_bb_inode(fs
, bb_list
);
547 com_err("ext2fs_update_bb_inode", retval
, "%s",
548 _("while setting bad block inode"));
554 static void reserve_inodes(ext2_filsys fs
)
558 for (i
= EXT2_ROOT_INO
+ 1; i
< EXT2_FIRST_INODE(fs
->super
); i
++)
559 ext2fs_inode_alloc_stats2(fs
, i
, +1, 0);
560 ext2fs_mark_ib_dirty(fs
);
563 #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
564 #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */
565 #define BSD_LABEL_OFFSET 64
567 static void zap_sector(ext2_filsys fs
, int sect
, int nsect
)
573 buf
= calloc(512, nsect
);
575 printf(_("Out of memory erasing sectors %d-%d\n"),
576 sect
, sect
+ nsect
- 1);
581 /* Check for a BSD disklabel, and don't erase it if so */
582 retval
= io_channel_read_blk64(fs
->io
, 0, -512, buf
);
585 _("Warning: could not read block 0: %s\n"),
586 error_message(retval
));
588 magic
= (unsigned int *) (buf
+ BSD_LABEL_OFFSET
);
589 if ((*magic
== BSD_DISKMAGIC
) ||
590 (*magic
== BSD_MAGICDISK
)) {
597 memset(buf
, 0, 512*nsect
);
598 io_channel_set_blksize(fs
->io
, 512);
599 retval
= io_channel_write_blk64(fs
->io
, sect
, -512*nsect
, buf
);
600 io_channel_set_blksize(fs
->io
, fs
->blocksize
);
603 fprintf(stderr
, _("Warning: could not erase sector %d: %s\n"),
604 sect
, error_message(retval
));
607 static void create_journal_dev(ext2_filsys fs
)
609 struct ext2fs_numeric_progress_struct progress
;
612 blk64_t blk
, err_blk
;
613 int c
, count
, err_count
;
614 struct ext2fs_journal_params jparams
;
616 retval
= ext2fs_get_journal_params(&jparams
, fs
);
618 com_err("create_journal_dev", retval
, "%s",
619 _("while splitting the journal size"));
623 retval
= ext2fs_create_journal_superblock2(fs
, &jparams
, 0, &buf
);
625 com_err("create_journal_dev", retval
, "%s",
626 _("while initializing journal superblock"));
630 if (journal_flags
& EXT2_MKJOURNAL_LAZYINIT
)
631 goto write_superblock
;
633 ext2fs_numeric_progress_init(fs
, &progress
,
634 _("Zeroing journal device: "),
635 ext2fs_blocks_count(fs
->super
));
637 count
= ext2fs_blocks_count(fs
->super
);
643 retval
= ext2fs_zero_blocks2(fs
, blk
, c
, &err_blk
, &err_count
);
645 com_err("create_journal_dev", retval
,
646 _("while zeroing journal device "
647 "(block %llu, count %d)"),
648 (unsigned long long) err_blk
, err_count
);
653 ext2fs_numeric_progress_update(fs
, &progress
, blk
);
656 ext2fs_numeric_progress_close(fs
, &progress
, NULL
);
658 retval
= io_channel_write_blk64(fs
->io
,
659 fs
->super
->s_first_data_block
+1,
661 (void) ext2fs_free_mem(&buf
);
663 com_err("create_journal_dev", retval
, "%s",
664 _("while writing journal superblock"));
669 static void show_stats(ext2_filsys fs
)
671 struct ext2_super_block
*s
= fs
->super
;
678 printf(_("Creating filesystem with %llu %dk blocks and "
680 (unsigned long long) ext2fs_blocks_count(s
),
681 fs
->blocksize
>> 10, s
->s_inodes_count
);
685 if (ext2fs_blocks_count(&fs_param
) != ext2fs_blocks_count(s
))
686 fprintf(stderr
, _("warning: %llu blocks unused.\n\n"),
687 (unsigned long long) (ext2fs_blocks_count(&fs_param
) -
688 ext2fs_blocks_count(s
)));
690 printf(_("Filesystem label=%.*s\n"), EXT2_LEN_STR(s
->s_volume_name
));
692 os
= e2p_os2string(fs
->super
->s_creator_os
);
694 printf(_("OS type: %s\n"), os
);
696 printf(_("Block size=%u (log=%u)\n"), fs
->blocksize
,
697 s
->s_log_block_size
);
698 if (ext2fs_has_feature_bigalloc(fs
->super
))
699 printf(_("Cluster size=%u (log=%u)\n"),
700 fs
->blocksize
<< fs
->cluster_ratio_bits
,
701 s
->s_log_cluster_size
);
703 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s
),
704 s
->s_log_cluster_size
);
705 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
706 s
->s_raid_stride
, s
->s_raid_stripe_width
);
707 printf(_("%u inodes, %llu blocks\n"), s
->s_inodes_count
,
708 (unsigned long long) ext2fs_blocks_count(s
));
709 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
710 (unsigned long long) ext2fs_r_blocks_count(s
),
711 100.0 * ext2fs_r_blocks_count(s
) / ext2fs_blocks_count(s
));
712 printf(_("First data block=%u\n"), s
->s_first_data_block
);
713 if (root_uid
!= 0 || root_gid
!= 0)
714 printf(_("Root directory owner=%u:%u\n"), root_uid
, root_gid
);
715 if (s
->s_reserved_gdt_blocks
)
716 printf(_("Maximum filesystem blocks=%lu\n"),
717 (s
->s_reserved_gdt_blocks
+ fs
->desc_blocks
) *
718 EXT2_DESC_PER_BLOCK(s
) * s
->s_blocks_per_group
);
719 if (fs
->group_desc_count
> 1)
720 printf(_("%u block groups\n"), fs
->group_desc_count
);
722 printf(_("%u block group\n"), fs
->group_desc_count
);
723 if (ext2fs_has_feature_bigalloc(fs
->super
))
724 printf(_("%u blocks per group, %u clusters per group\n"),
725 s
->s_blocks_per_group
, s
->s_clusters_per_group
);
727 printf(_("%u blocks per group, %u fragments per group\n"),
728 s
->s_blocks_per_group
, s
->s_clusters_per_group
);
729 printf(_("%u inodes per group\n"), s
->s_inodes_per_group
);
732 if (fs
->group_desc_count
== 1) {
737 if (!e2p_is_null_uuid(s
->s_uuid
))
738 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s
->s_uuid
));
739 printf("%s", _("Superblock backups stored on blocks: "));
740 group_block
= s
->s_first_data_block
;
742 for (i
= 1; i
< fs
->group_desc_count
; i
++) {
743 group_block
+= s
->s_blocks_per_group
;
744 if (!ext2fs_bg_has_super(fs
, i
))
748 need
= int_log10(group_block
) + 2;
749 if (need
> col_left
) {
754 printf("%llu", (unsigned long long) group_block
);
760 * Returns true if making a file system for the Hurd, else 0
762 static int for_hurd(const char *os
)
772 return (atoi(os
) == EXT2_OS_HURD
);
773 return (strcasecmp(os
, "GNU") == 0 || strcasecmp(os
, "hurd") == 0);
777 * Set the S_CREATOR_OS field. Return true if OS is known,
780 static int set_os(struct ext2_super_block
*sb
, char *os
)
783 sb
->s_creator_os
= atoi (os
);
784 else if (strcasecmp(os
, "linux") == 0)
785 sb
->s_creator_os
= EXT2_OS_LINUX
;
786 else if (strcasecmp(os
, "GNU") == 0 || strcasecmp(os
, "hurd") == 0)
787 sb
->s_creator_os
= EXT2_OS_HURD
;
788 else if (strcasecmp(os
, "freebsd") == 0)
789 sb
->s_creator_os
= EXT2_OS_FREEBSD
;
790 else if (strcasecmp(os
, "lites") == 0)
791 sb
->s_creator_os
= EXT2_OS_LITES
;
797 #define PATH_SET "PATH=/sbin"
799 static void parse_extended_opts(struct ext2_super_block
*param
,
802 char *buf
, *token
, *next
, *p
, *arg
, *badopt
= 0;
807 char *encoding_flags
= NULL
;
812 fprintf(stderr
, "%s",
813 _("Couldn't allocate memory to parse options!\n"));
817 for (token
= buf
; token
&& *token
; token
= next
) {
818 p
= strchr(token
, ',');
824 arg
= strchr(token
, '=');
829 if (strcmp(token
, "desc-size") == 0 ||
830 strcmp(token
, "desc_size") == 0) {
833 if (!ext2fs_has_feature_64bit(&fs_param
)) {
835 _("%s requires '-O 64bit'\n"), token
);
839 if (param
->s_reserved_gdt_blocks
!= 0) {
841 _("'%s' must be before 'resize=%u'\n"),
842 token
, param
->s_reserved_gdt_blocks
);
851 desc_size
= strtoul(arg
, &p
, 0);
852 if (*p
|| (desc_size
& (desc_size
- 1))) {
854 _("Invalid desc_size: '%s'\n"), arg
);
858 param
->s_desc_size
= desc_size
;
859 } else if (strcmp(token
, "hash_seed") == 0) {
866 (unsigned char *)param
->s_hash_seed
) != 0) {
868 _("Invalid hash seed: %s\n"), arg
);
872 } else if (strcmp(token
, "offset") == 0) {
878 offset
= strtoull(arg
, &p
, 0);
880 fprintf(stderr
, _("Invalid offset: %s\n"),
885 } else if (strcmp(token
, "mmp_update_interval") == 0) {
891 param
->s_mmp_update_interval
= strtoul(arg
, &p
, 0);
894 _("Invalid mmp_update_interval: %s\n"),
899 } else if (strcmp(token
, "no_copy_xattrs") == 0) {
902 } else if (strcmp(token
, "num_backup_sb") == 0) {
908 num_backups
= strtoul(arg
, &p
, 0);
909 if (*p
|| num_backups
> 2) {
911 _("Invalid # of backup "
912 "superblocks: %s\n"),
917 } else if (strcmp(token
, "packed_meta_blocks") == 0) {
919 packed_meta_blocks
= strtoul(arg
, &p
, 0);
921 packed_meta_blocks
= 1;
922 if (packed_meta_blocks
)
923 journal_location
= 0;
924 } else if (strcmp(token
, "stride") == 0) {
930 param
->s_raid_stride
= strtoul(arg
, &p
, 0);
933 _("Invalid stride parameter: %s\n"),
938 } else if (strcmp(token
, "stripe-width") == 0 ||
939 strcmp(token
, "stripe_width") == 0) {
945 param
->s_raid_stripe_width
= strtoul(arg
, &p
, 0);
948 _("Invalid stripe-width parameter: %s\n"),
953 } else if (!strcmp(token
, "resize")) {
955 unsigned long bpg
, rsv_groups
;
956 unsigned long group_desc_count
, desc_blocks
;
957 unsigned int gdpb
, blocksize
;
966 resize
= parse_num_blocks2(arg
,
967 param
->s_log_block_size
);
971 _("Invalid resize parameter: %s\n"),
976 if (resize
<= ext2fs_blocks_count(param
)) {
977 fprintf(stderr
, "%s",
978 _("The resize maximum must be greater "
979 "than the filesystem size.\n"));
984 blocksize
= EXT2_BLOCK_SIZE(param
);
985 bpg
= param
->s_blocks_per_group
;
988 gdpb
= EXT2_DESC_PER_BLOCK(param
);
989 group_desc_count
= (__u32
) ext2fs_div64_ceil(
990 ext2fs_blocks_count(param
), bpg
);
991 desc_blocks
= (group_desc_count
+
993 rsv_groups
= ext2fs_div64_ceil(resize
, bpg
);
994 rsv_gdb
= ext2fs_div_ceil(rsv_groups
, gdpb
) -
996 if (rsv_gdb
> (int) EXT2_ADDR_PER_BLOCK(param
))
997 rsv_gdb
= EXT2_ADDR_PER_BLOCK(param
);
1000 if (param
->s_rev_level
== EXT2_GOOD_OLD_REV
) {
1001 fprintf(stderr
, "%s",
1002 _("On-line resizing not supported with revision 0 filesystems\n"));
1006 ext2fs_set_feature_resize_inode(param
);
1008 param
->s_reserved_gdt_blocks
= rsv_gdb
;
1010 } else if (!strcmp(token
, "test_fs")) {
1011 param
->s_flags
|= EXT2_FLAGS_TEST_FILESYS
;
1012 } else if (!strcmp(token
, "lazy_itable_init")) {
1014 lazy_itable_init
= strtoul(arg
, &p
, 0);
1016 lazy_itable_init
= 1;
1017 } else if (!strcmp(token
, "assume_storage_prezeroed")) {
1019 assume_storage_prezeroed
= strtoul(arg
, &p
, 0);
1021 assume_storage_prezeroed
= 1;
1022 } else if (!strcmp(token
, "lazy_journal_init")) {
1024 journal_flags
|= strtoul(arg
, &p
, 0) ?
1025 EXT2_MKJOURNAL_LAZYINIT
: 0;
1027 journal_flags
|= EXT2_MKJOURNAL_LAZYINIT
;
1028 } else if (!strcmp(token
, "root_owner")) {
1030 root_uid
= strtoul(arg
, &p
, 0);
1033 _("Invalid root_owner: '%s'\n"),
1039 root_gid
= strtoul(p
, &p
, 0);
1042 _("Invalid root_owner: '%s'\n"),
1048 root_uid
= getuid();
1049 root_gid
= getgid();
1051 } else if (!strcmp(token
, "discard")) {
1053 } else if (!strcmp(token
, "nodiscard")) {
1055 } else if (!strcmp(token
, "quotatype")) {
1056 char *errtok
= NULL
;
1064 ret
= parse_quota_types(arg
, "atype_bits
, &errtok
);
1068 "Failed to parse quota type at %s", errtok
);
1071 com_err(program_name
, ret
,
1072 "while parsing quota type");
1077 } else if (!strcmp(token
, "android_sparse")) {
1078 android_sparse_file
= 1;
1079 } else if (!strcmp(token
, "encoding")) {
1085 encoding
= e2p_str2encoding(arg
);
1087 fprintf(stderr
, _("Invalid encoding: %s"), arg
);
1091 param
->s_encoding
= encoding
;
1092 ext2fs_set_feature_casefold(param
);
1093 } else if (!strcmp(token
, "encoding_flags")) {
1098 encoding_flags
= arg
;
1099 } else if (!strcmp(token
, "orphan_file_size")) {
1105 orphan_file_blocks
= parse_num_blocks2(arg
,
1106 fs_param
.s_log_block_size
);
1107 if (orphan_file_blocks
== 0) {
1109 _("Invalid size of orphan file %s\n"),
1120 fprintf(stderr
, _("\nBad option(s) specified: %s\n\n"
1121 "Extended options are separated by commas, "
1122 "and may take an argument which\n"
1123 "\tis set off by an equals ('=') sign.\n\n"
1124 "Valid extended options are:\n"
1125 "\tmmp_update_interval=<interval>\n"
1126 "\tnum_backup_sb=<0|1|2>\n"
1127 "\tstride=<RAID per-disk data chunk in blocks>\n"
1128 "\tstripe-width=<RAID stride * data disks in blocks>\n"
1129 "\toffset=<offset to create the file system>\n"
1130 "\tresize=<resize maximum size in blocks>\n"
1131 "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1132 "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1133 "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1134 "\troot_owner=<uid of root dir>:<gid of root dir>\n"
1138 "\tencoding=<encoding>\n"
1139 "\tencoding_flags=<flags>\n"
1140 "\tquotatype=<quota type(s) to be enabled>\n"
1141 "\tassume_storage_prezeroed=<0 to disable, 1 to enable>\n\n"),
1142 badopt
? badopt
: "");
1146 if (param
->s_raid_stride
&&
1147 (param
->s_raid_stripe_width
% param
->s_raid_stride
) != 0)
1148 fprintf(stderr
, _("\nWarning: RAID stripe-width %u not an even "
1149 "multiple of stride %u.\n\n"),
1150 param
->s_raid_stripe_width
, param
->s_raid_stride
);
1152 if (ext2fs_has_feature_casefold(param
)) {
1153 param
->s_encoding_flags
=
1154 e2p_get_encoding_flags(param
->s_encoding
);
1156 if (encoding_flags
&&
1157 e2p_str2encoding_flags(param
->s_encoding
, encoding_flags
,
1158 ¶m
->s_encoding_flags
)) {
1159 fprintf(stderr
, _("error: Invalid encoding flag: %s\n"),
1164 } else if (encoding_flags
) {
1165 fprintf(stderr
, _("error: An encoding must be explicitly "
1166 "specified when passing encoding-flags\n"));
1174 static __u32 ok_features
[3] = {
1176 EXT3_FEATURE_COMPAT_HAS_JOURNAL
|
1177 EXT2_FEATURE_COMPAT_RESIZE_INODE
|
1178 EXT2_FEATURE_COMPAT_DIR_INDEX
|
1179 EXT2_FEATURE_COMPAT_EXT_ATTR
|
1180 EXT4_FEATURE_COMPAT_SPARSE_SUPER2
|
1181 EXT4_FEATURE_COMPAT_FAST_COMMIT
|
1182 EXT4_FEATURE_COMPAT_STABLE_INODES
|
1183 EXT4_FEATURE_COMPAT_ORPHAN_FILE
,
1185 EXT2_FEATURE_INCOMPAT_FILETYPE
|
1186 EXT3_FEATURE_INCOMPAT_EXTENTS
|
1187 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
|
1188 EXT2_FEATURE_INCOMPAT_META_BG
|
1189 EXT4_FEATURE_INCOMPAT_FLEX_BG
|
1190 EXT4_FEATURE_INCOMPAT_EA_INODE
|
1191 EXT4_FEATURE_INCOMPAT_MMP
|
1192 EXT4_FEATURE_INCOMPAT_64BIT
|
1193 EXT4_FEATURE_INCOMPAT_INLINE_DATA
|
1194 EXT4_FEATURE_INCOMPAT_ENCRYPT
|
1195 EXT4_FEATURE_INCOMPAT_CASEFOLD
|
1196 EXT4_FEATURE_INCOMPAT_CSUM_SEED
|
1197 EXT4_FEATURE_INCOMPAT_LARGEDIR
,
1199 EXT2_FEATURE_RO_COMPAT_LARGE_FILE
|
1200 EXT4_FEATURE_RO_COMPAT_HUGE_FILE
|
1201 EXT4_FEATURE_RO_COMPAT_DIR_NLINK
|
1202 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE
|
1203 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER
|
1204 EXT4_FEATURE_RO_COMPAT_GDT_CSUM
|
1205 EXT4_FEATURE_RO_COMPAT_BIGALLOC
|
1206 EXT4_FEATURE_RO_COMPAT_QUOTA
|
1207 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
|
1208 EXT4_FEATURE_RO_COMPAT_PROJECT
|
1209 EXT4_FEATURE_RO_COMPAT_VERITY
1213 static void syntax_err_report(const char *filename
, long err
, int line_num
)
1216 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1217 filename
, line_num
, error_message(err
));
1221 static const char *config_fn
[] = { ROOT_SYSCONFDIR
"/mke2fs.conf", 0 };
1223 static void edit_feature(const char *str
, __u32
*compat_array
)
1228 if (e2p_edit_feature(str
, compat_array
, ok_features
)) {
1229 fprintf(stderr
, _("Invalid filesystem option set: %s\n"),
1235 static void edit_mntopts(const char *str
, __u32
*mntopts
)
1240 if (e2p_edit_mntopts(str
, mntopts
, ~0)) {
1241 fprintf(stderr
, _("Invalid mount option set: %s\n"),
1253 static errcode_t
init_list(struct str_list
*sl
)
1257 sl
->list
= malloc((sl
->max
+1) * sizeof(char *));
1264 static errcode_t
push_string(struct str_list
*sl
, const char *str
)
1268 if (sl
->num
>= sl
->max
) {
1270 new_list
= realloc(sl
->list
, (sl
->max
+1) * sizeof(char *));
1273 sl
->list
= new_list
;
1275 sl
->list
[sl
->num
] = malloc(strlen(str
)+1);
1276 if (sl
->list
[sl
->num
] == 0)
1278 strcpy(sl
->list
[sl
->num
], str
);
1280 sl
->list
[sl
->num
] = 0;
1284 static void print_str_list(char **list
)
1288 for (cpp
= list
; *cpp
; cpp
++) {
1289 printf("'%s'", *cpp
);
1291 fputs(", ", stdout
);
1293 fputc('\n', stdout
);
1297 * Return TRUE if the profile has the given subsection
1299 static int profile_has_subsection(profile_t prof
, const char *section
,
1300 const char *subsection
)
1303 const char *names
[4];
1308 names
[1] = subsection
;
1311 if (profile_iterator_create(prof
, names
,
1312 PROFILE_ITER_LIST_SECTION
|
1313 PROFILE_ITER_RELATIONS_ONLY
, &state
))
1316 if ((profile_iterator(&state
, &name
, 0) == 0) && name
) {
1321 profile_iterator_free(&state
);
1325 static char **parse_fs_type(const char *fs_type
,
1326 const char *usage_types
,
1327 struct ext2_super_block
*sb
,
1328 blk64_t fs_blocks_count
,
1331 const char *ext_type
= 0;
1333 char *profile_type
= 0;
1335 const char *size_type
;
1336 struct str_list list
;
1337 unsigned long long meg
;
1338 int is_hurd
= for_hurd(creator_os
);
1340 if (init_list(&list
))
1347 else if (!strcmp(program_name
, "mke3fs"))
1349 else if (!strcmp(program_name
, "mke4fs"))
1351 else if (progname
) {
1352 ext_type
= strrchr(progname
, '/');
1356 ext_type
= progname
;
1358 if (!strncmp(ext_type
, "mkfs.", 5)) {
1360 if (ext_type
[0] == 0)
1367 profile_get_string(profile
, "defaults", "fs_type", 0,
1368 "ext2", &profile_type
);
1369 ext_type
= profile_type
;
1370 if (!strcmp(ext_type
, "ext2") && (journal_size
!= 0))
1375 if (!profile_has_subsection(profile
, "fs_types", ext_type
) &&
1376 strcmp(ext_type
, "ext2")) {
1377 printf(_("\nYour mke2fs.conf file does not define the "
1378 "%s filesystem type.\n"), ext_type
);
1379 if (!strcmp(ext_type
, "ext3") || !strcmp(ext_type
, "ext4") ||
1380 !strcmp(ext_type
, "ext4dev")) {
1381 printf("%s", _("You probably need to install an "
1382 "updated mke2fs.conf file.\n\n"));
1385 printf("%s", _("Aborting...\n"));
1390 meg
= (1024 * 1024) / EXT2_BLOCK_SIZE(sb
);
1391 if (fs_blocks_count
< 3 * meg
)
1392 size_type
= "floppy";
1393 else if (fs_blocks_count
< 512 * meg
)
1394 size_type
= "small";
1395 else if (fs_blocks_count
< 4 * 1024 * 1024 * meg
)
1396 size_type
= "default";
1397 else if (fs_blocks_count
< 16 * 1024 * 1024 * meg
)
1403 usage_types
= size_type
;
1405 parse_str
= malloc(strlen(usage_types
)+1);
1411 strcpy(parse_str
, usage_types
);
1414 push_string(&list
, ext_type
);
1417 t
= strchr(cp
, ',');
1422 if (profile_has_subsection(profile
, "fs_types", cp
))
1423 push_string(&list
, cp
);
1424 else if (strcmp(cp
, "default") != 0)
1426 _("\nWarning: the fs_type %s is not "
1427 "defined in mke2fs.conf\n\n"),
1438 push_string(&list
, "hurd");
1442 char *get_string_from_profile(char **types
, const char *opt
,
1443 const char *def_val
)
1448 for (i
=0; types
[i
]; i
++);
1449 for (i
-=1; i
>=0 ; i
--) {
1450 profile_get_string(profile
, "fs_types", types
[i
],
1455 profile_get_string(profile
, "defaults", opt
, 0, def_val
, &ret
);
1459 int get_int_from_profile(char **types
, const char *opt
, int def_val
)
1464 profile_get_integer(profile
, "defaults", opt
, 0, def_val
, &ret
);
1465 for (cpp
= types
; *cpp
; cpp
++)
1466 profile_get_integer(profile
, "fs_types", *cpp
, opt
, ret
, &ret
);
1470 static unsigned int get_uint_from_profile(char **types
, const char *opt
,
1471 unsigned int def_val
)
1476 profile_get_uint(profile
, "defaults", opt
, 0, def_val
, &ret
);
1477 for (cpp
= types
; *cpp
; cpp
++)
1478 profile_get_uint(profile
, "fs_types", *cpp
, opt
, ret
, &ret
);
1482 static double get_double_from_profile(char **types
, const char *opt
,
1488 profile_get_double(profile
, "defaults", opt
, 0, def_val
, &ret
);
1489 for (cpp
= types
; *cpp
; cpp
++)
1490 profile_get_double(profile
, "fs_types", *cpp
, opt
, ret
, &ret
);
1494 int get_bool_from_profile(char **types
, const char *opt
, int def_val
)
1499 profile_get_boolean(profile
, "defaults", opt
, 0, def_val
, &ret
);
1500 for (cpp
= types
; *cpp
; cpp
++)
1501 profile_get_boolean(profile
, "fs_types", *cpp
, opt
, ret
, &ret
);
1505 extern const char *mke2fs_default_profile
;
1506 static const char *default_files
[] = { "<default>", 0 };
1508 struct device_param
{
1509 unsigned long min_io
; /* preferred minimum IO size */
1510 unsigned long opt_io
; /* optimal IO size */
1511 unsigned long alignment_offset
; /* alignment offset wrt physical block size */
1512 unsigned int dax
:1; /* supports dax? */
1515 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1517 * Sets the geometry of a device (stripe/stride), and returns the
1518 * device's alignment offset, if any, or a negative error.
1520 static int get_device_geometry(const char *file
,
1521 unsigned int blocksize
,
1522 unsigned int psector_size
,
1523 struct device_param
*dev_param
)
1528 struct stat statbuf
;
1530 memset(dev_param
, 0, sizeof(*dev_param
));
1532 /* Nothing to do for a regular file */
1533 if (!stat(file
, &statbuf
) && S_ISREG(statbuf
.st_mode
))
1536 pr
= blkid_new_probe_from_filename(file
);
1540 tp
= blkid_probe_get_topology(pr
);
1544 dev_param
->min_io
= blkid_topology_get_minimum_io_size(tp
);
1545 dev_param
->opt_io
= blkid_topology_get_optimal_io_size(tp
);
1546 if ((dev_param
->min_io
== 0) && (psector_size
> blocksize
))
1547 dev_param
->min_io
= psector_size
;
1548 if ((dev_param
->opt_io
== 0) && dev_param
->min_io
> 0)
1549 dev_param
->opt_io
= dev_param
->min_io
;
1550 if ((dev_param
->opt_io
== 0) && (psector_size
> blocksize
))
1551 dev_param
->opt_io
= psector_size
;
1553 dev_param
->alignment_offset
= blkid_topology_get_alignment_offset(tp
);
1554 #ifdef HAVE_BLKID_TOPOLOGY_GET_DAX
1555 dev_param
->dax
= blkid_topology_get_dax(tp
);
1559 blkid_free_probe(pr
);
1564 static void PRS(int argc
, char *argv
[])
1567 int cluster_size
= 0;
1569 int explicit_fssize
= 0;
1571 int inode_ratio
= 0;
1573 unsigned long flex_bg_size
= 0;
1574 double reserved_ratio
= -1.0;
1575 int lsector_size
= 0, psector_size
= 0;
1576 int show_version_only
= 0, is_device
= 0;
1577 unsigned long long num_inodes
= 0; /* unsigned long long to catch too-large input */
1578 int default_orphan_file
= 0;
1579 int default_csum_seed
= 0;
1581 char * oldpath
= getenv("PATH");
1582 char * extended_opts
= 0;
1584 char * usage_types
= 0;
1586 * NOTE: A few words about fs_blocks_count and blocksize:
1588 * Initially, blocksize is set to zero, which implies 1024.
1589 * If -b is specified, blocksize is updated to the user's value.
1591 * Next, the device size or the user's "blocks" command line argument
1592 * is used to set fs_blocks_count; the units are blocksize.
1594 * Later, if blocksize hasn't been set and the profile specifies a
1595 * blocksize, then blocksize is updated and fs_blocks_count is scaled
1596 * appropriately. Note the change in units!
1598 * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1600 blk64_t fs_blocks_count
= 0;
1601 int s_opt
= -1, r_opt
= -1;
1602 char *fs_features
= 0;
1603 int fs_features_size
= 0;
1606 int pathlen
= sizeof(PATH_SET
) + 1;
1607 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1608 struct device_param dev_param
;
1612 pathlen
+= strlen(oldpath
);
1613 newpath
= malloc(pathlen
);
1615 fprintf(stderr
, "%s",
1616 _("Couldn't allocate memory for new PATH.\n"));
1619 strcpy(newpath
, PATH_SET
);
1621 /* Update our PATH to include /sbin */
1623 strcat (newpath
, ":");
1624 strcat (newpath
, oldpath
);
1628 /* Determine the system page size if possible */
1630 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1631 #define _SC_PAGESIZE _SC_PAGE_SIZE
1635 long sysval
= sysconf(_SC_PAGESIZE
);
1638 sys_page_size
= sysval
;
1640 #endif /* _SC_PAGESIZE */
1641 #endif /* HAVE_SYSCONF */
1643 if ((tmp
= getenv("MKE2FS_CONFIG")) != NULL
)
1645 profile_set_syntax_err_cb(syntax_err_report
);
1646 retval
= profile_init(config_fn
, &profile
);
1647 if (retval
== ENOENT
) {
1648 retval
= profile_init(default_files
, &profile
);
1651 retval
= profile_set_default(profile
, mke2fs_default_profile
);
1654 } else if (retval
) {
1656 fprintf(stderr
, _("Couldn't init profile successfully"
1657 " (error: %ld).\n"), retval
);
1661 setbuf(stdout
, NULL
);
1662 setbuf(stderr
, NULL
);
1663 add_error_table(&et_ext2_error_table
);
1664 add_error_table(&et_prof_error_table
);
1665 memset(&fs_param
, 0, sizeof(struct ext2_super_block
));
1666 fs_param
.s_rev_level
= 1; /* Create revision 1 filesystems now */
1668 if (is_before_linux_ver(2, 2, 0))
1669 fs_param
.s_rev_level
= 0;
1671 if (argc
&& *argv
) {
1672 program_name
= get_progname(*argv
);
1674 /* If called as mkfs.ext3, create a journal inode */
1675 if (!strcmp(program_name
, "mkfs.ext3") ||
1676 !strcmp(program_name
, "mke3fs"))
1680 while ((c
= getopt (argc
, argv
,
1681 "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
) {
1684 blocksize
= parse_num_blocks2(optarg
, -1);
1685 b
= (blocksize
> 0) ? blocksize
: -blocksize
;
1686 if (b
< EXT2_MIN_BLOCK_SIZE
||
1687 b
> EXT2_MAX_BLOCK_SIZE
) {
1688 com_err(program_name
, 0,
1689 _("invalid block size - %s"), optarg
);
1692 if (blocksize
> 4096)
1693 fprintf(stderr
, _("Warning: blocksize %d not "
1694 "usable on most systems.\n"),
1697 fs_param
.s_log_block_size
=
1698 int_log2(blocksize
>>
1699 EXT2_MIN_BLOCK_LOG_SIZE
);
1701 case 'c': /* Check for bad blocks */
1705 cluster_size
= parse_num_blocks2(optarg
, -1);
1706 if (cluster_size
<= EXT2_MIN_CLUSTER_SIZE
||
1707 cluster_size
> EXT2_MAX_CLUSTER_SIZE
) {
1708 com_err(program_name
, 0,
1709 _("invalid cluster size - %s"),
1715 src_root_dir
= optarg
;
1721 com_err(program_name
, 0, "%s",
1722 _("'-R' is deprecated, use '-E' instead"));
1725 extended_opts
= optarg
;
1728 if (strcmp(optarg
, "continue") == 0)
1729 errors_behavior
= EXT2_ERRORS_CONTINUE
;
1730 else if (strcmp(optarg
, "remount-ro") == 0)
1731 errors_behavior
= EXT2_ERRORS_RO
;
1732 else if (strcmp(optarg
, "panic") == 0)
1733 errors_behavior
= EXT2_ERRORS_PANIC
;
1735 com_err(program_name
, 0,
1736 _("bad error behavior - %s"),
1745 fs_param
.s_blocks_per_group
= strtoul(optarg
, &tmp
, 0);
1747 com_err(program_name
, 0, "%s",
1748 _("Illegal number for blocks per group"));
1751 if ((fs_param
.s_blocks_per_group
% 8) != 0) {
1752 com_err(program_name
, 0, "%s",
1753 _("blocks per group must be multiple of 8"));
1758 flex_bg_size
= strtoul(optarg
, &tmp
, 0);
1760 com_err(program_name
, 0, "%s",
1761 _("Illegal number for flex_bg size"));
1764 if (flex_bg_size
< 1 ||
1765 (flex_bg_size
& (flex_bg_size
-1)) != 0) {
1766 com_err(program_name
, 0, "%s",
1767 _("flex_bg size must be a power of 2"));
1770 if (flex_bg_size
> MAX_32_NUM
) {
1771 com_err(program_name
, 0,
1772 _("flex_bg size (%lu) must be less than"
1773 " or equal to 2^31"), flex_bg_size
);
1778 inode_ratio
= parse_num_blocks(optarg
, -1);
1779 if (inode_ratio
< EXT2_MIN_BLOCK_SIZE
||
1780 inode_ratio
> EXT2_MAX_BLOCK_SIZE
* 1024) {
1781 com_err(program_name
, 0,
1782 _("invalid inode ratio %s (min %d/max %d)"),
1783 optarg
, EXT2_MIN_BLOCK_SIZE
,
1784 EXT2_MAX_BLOCK_SIZE
* 1024);
1789 inode_size
= strtoul(optarg
, &tmp
, 0);
1791 com_err(program_name
, 0,
1792 _("invalid inode size - %s"), optarg
);
1799 if (!journal_fc_size
)
1800 journal_fc_size
= -1;
1803 parse_journal_opts(optarg
);
1806 fprintf(stderr
, "%s",
1807 _("Warning: -K option is deprecated and "
1808 "should not be used anymore. Use "
1809 "\'-E nodiscard\' extended option "
1814 bad_blocks_filename
= realloc(bad_blocks_filename
,
1815 strlen(optarg
) + 1);
1816 if (!bad_blocks_filename
) {
1817 com_err(program_name
, ENOMEM
, "%s",
1818 _("in malloc for bad_blocks_filename"));
1821 strcpy(bad_blocks_filename
, optarg
);
1824 volume_label
= optarg
;
1825 if (strlen(volume_label
) > EXT2_LABEL_LEN
) {
1826 volume_label
[EXT2_LABEL_LEN
] = '\0';
1827 fprintf(stderr
, _("Warning: label too long; will be truncated to '%s'\n\n"),
1832 reserved_ratio
= strtod(optarg
, &tmp
);
1833 if ( *tmp
|| reserved_ratio
> 50 ||
1834 reserved_ratio
< 0) {
1835 com_err(program_name
, 0,
1836 _("invalid reserved blocks percent - %s"),
1848 num_inodes
= strtoul(optarg
, &tmp
, 0);
1850 com_err(program_name
, 0,
1851 _("bad num inodes - %s"), optarg
);
1856 creator_os
= optarg
;
1859 retval
= ext2fs_resize_mem(fs_features_size
,
1860 fs_features_size
+ 1 + strlen(optarg
),
1863 com_err(program_name
, retval
,
1864 _("while allocating fs_feature string"));
1867 if (fs_features_size
)
1868 strcat(fs_features
, ",");
1871 strcat(fs_features
, optarg
);
1872 fs_features_size
+= 1 + strlen(optarg
);
1878 r_opt
= strtoul(optarg
, &tmp
, 0);
1880 com_err(program_name
, 0,
1881 _("bad revision level - %s"), optarg
);
1884 if (r_opt
> EXT2_MAX_SUPP_REV
) {
1885 com_err(program_name
, EXT2_ET_REV_TOO_HIGH
,
1886 _("while trying to create revision %d"), r_opt
);
1889 fs_param
.s_rev_level
= r_opt
;
1891 case 's': /* deprecated */
1892 s_opt
= atoi(optarg
);
1899 com_err(program_name
, 0, "%s",
1900 _("The -t option may only be used once"));
1903 fs_type
= strdup(optarg
);
1907 com_err(program_name
, 0, "%s",
1908 _("The -T option may only be used once"));
1911 usage_types
= strdup(optarg
);
1920 /* Print version number and exit */
1921 show_version_only
++;
1930 if ((optind
== argc
) && !show_version_only
)
1932 device_name
= argv
[optind
++];
1934 if (!quiet
|| show_version_only
)
1935 fprintf (stderr
, "mke2fs %s (%s)\n", E2FSPROGS_VERSION
,
1938 if (show_version_only
) {
1939 fprintf(stderr
, _("\tUsing %s\n"),
1940 error_message(EXT2_ET_BASE
));
1945 * If there's no blocksize specified and there is a journal
1946 * device, use it to figure out the blocksize
1948 if (blocksize
<= 0 && journal_device
) {
1952 #ifdef CONFIG_TESTIO_DEBUG
1953 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1954 io_ptr
= test_io_manager
;
1955 test_io_backing_manager
= default_io_manager
;
1958 io_ptr
= default_io_manager
;
1959 retval
= ext2fs_open(journal_device
,
1960 EXT2_FLAG_JOURNAL_DEV_OK
, 0,
1963 com_err(program_name
, retval
,
1964 _("while trying to open journal device %s\n"),
1968 if ((blocksize
< 0) && (jfs
->blocksize
< (unsigned) (-blocksize
))) {
1969 com_err(program_name
, 0,
1970 _("Journal dev blocksize (%d) smaller than "
1971 "minimum blocksize %d\n"), jfs
->blocksize
,
1975 blocksize
= jfs
->blocksize
;
1976 printf(_("Using journal device's blocksize: %d\n"), blocksize
);
1977 fs_param
.s_log_block_size
=
1978 int_log2(blocksize
>> EXT2_MIN_BLOCK_LOG_SIZE
);
1979 ext2fs_close_free(&jfs
);
1982 if (optind
< argc
) {
1983 fs_blocks_count
= parse_num_blocks2(argv
[optind
++],
1984 fs_param
.s_log_block_size
);
1985 if (!fs_blocks_count
) {
1986 com_err(program_name
, 0,
1987 _("invalid blocks '%s' on device '%s'"),
1988 argv
[optind
- 1], device_name
);
1995 profile_get_integer(profile
, "options", "sync_kludge", 0, 0,
1997 tmp
= getenv("MKE2FS_SYNC");
1999 sync_kludge
= atoi(tmp
);
2001 profile_get_integer(profile
, "options", "proceed_delay", 0, 0,
2004 if (fs_blocks_count
)
2005 explicit_fssize
= 1;
2007 check_mount(device_name
, force
, _("filesystem"));
2009 /* Determine the size of the device (if possible) */
2010 if (noaction
&& fs_blocks_count
) {
2011 dev_size
= fs_blocks_count
;
2014 retval
= ext2fs_get_device_size2(device_name
,
2015 EXT2_BLOCK_SIZE(&fs_param
),
2017 if (retval
== ENOENT
) {
2020 if (!explicit_fssize
) {
2022 _("The file %s does not exist and no "
2023 "size was specified.\n"), device_name
);
2026 fd
= ext2fs_open_file(device_name
,
2027 O_CREAT
| O_WRONLY
, 0666);
2034 printf(_("Creating regular file %s\n"), device_name
);
2037 if (retval
&& (retval
!= EXT2_ET_UNIMPLEMENTED
)) {
2038 com_err(program_name
, retval
, "%s",
2039 _("while trying to determine filesystem size"));
2042 if (!fs_blocks_count
) {
2043 if (retval
== EXT2_ET_UNIMPLEMENTED
) {
2044 com_err(program_name
, 0, "%s",
2045 _("Couldn't determine device size; you "
2046 "must specify\nthe size of the "
2050 if (dev_size
== 0) {
2051 com_err(program_name
, 0, "%s",
2052 _("Device size reported to be zero. "
2053 "Invalid partition specified, or\n\t"
2054 "partition table wasn't reread "
2055 "after running fdisk, due to\n\t"
2056 "a modified partition being busy "
2057 "and in use. You may need to reboot\n\t"
2058 "to re-read your partition table.\n"
2062 fs_blocks_count
= dev_size
;
2063 if (sys_page_size
> EXT2_BLOCK_SIZE(&fs_param
))
2064 fs_blocks_count
&= ~((blk64_t
) ((sys_page_size
/
2065 EXT2_BLOCK_SIZE(&fs_param
))-1));
2067 } else if (!force
&& is_device
&& (fs_blocks_count
> dev_size
)) {
2068 com_err(program_name
, 0, "%s",
2069 _("Filesystem larger than apparent device size."));
2070 proceed_question(proceed_delay
);
2074 profile_get_string(profile
, "devices", device_name
,
2075 "fs_type", 0, &fs_type
);
2077 profile_get_string(profile
, "devices", device_name
,
2078 "usage_types", 0, &usage_types
);
2080 profile_get_string(profile
, "defaults", "creator_os", 0,
2084 * We have the file system (or device) size, so we can now
2085 * determine the appropriate file system types so the fs can
2086 * be appropriately configured.
2088 fs_types
= parse_fs_type(fs_type
, usage_types
, &fs_param
,
2089 fs_blocks_count
? fs_blocks_count
: dev_size
,
2092 fprintf(stderr
, "%s", _("Failed to parse fs types list\n"));
2096 /* Figure out what features should be enabled */
2099 if (fs_param
.s_rev_level
!= EXT2_GOOD_OLD_REV
) {
2100 tmp
= get_string_from_profile(fs_types
, "base_features",
2101 "sparse_super,large_file,filetype,resize_inode,dir_index");
2102 edit_feature(tmp
, &fs_param
.s_feature_compat
);
2105 /* And which mount options as well */
2106 tmp
= get_string_from_profile(fs_types
, "default_mntopts",
2108 edit_mntopts(tmp
, &fs_param
.s_default_mount_opts
);
2112 for (cpp
= fs_types
; *cpp
; cpp
++) {
2114 profile_get_string(profile
, "fs_types", *cpp
,
2115 "features", "", &tmp
);
2117 edit_feature(tmp
, &fs_param
.s_feature_compat
);
2121 tmp
= get_string_from_profile(fs_types
, "default_features",
2124 /* Mask off features which aren't supported by the Hurd */
2125 if (for_hurd(creator_os
)) {
2126 ext2fs_clear_feature_filetype(&fs_param
);
2127 ext2fs_clear_feature_huge_file(&fs_param
);
2128 ext2fs_clear_feature_metadata_csum(&fs_param
);
2129 ext2fs_clear_feature_ea_inode(&fs_param
);
2130 ext2fs_clear_feature_casefold(&fs_param
);
2132 if (!fs_features
&& tmp
)
2133 edit_feature(tmp
, &fs_param
.s_feature_compat
);
2135 * Now all the defaults are incorporated in fs_param. Check the state
2136 * of orphan_file feature so that we know whether we should silently
2137 * disabled in case journal gets disabled.
2139 if (ext2fs_has_feature_orphan_file(&fs_param
))
2140 default_orphan_file
= 1;
2141 if (ext2fs_has_feature_csum_seed(&fs_param
))
2142 default_csum_seed
= 1;
2144 edit_feature(fs_features
, &fs_param
.s_feature_compat
);
2145 /* Silently disable orphan_file if user chose fs without journal */
2146 if (default_orphan_file
&& !ext2fs_has_feature_journal(&fs_param
))
2147 ext2fs_clear_feature_orphan_file(&fs_param
);
2148 if (default_csum_seed
&& !ext2fs_has_feature_metadata_csum(&fs_param
))
2149 ext2fs_clear_feature_csum_seed(&fs_param
);
2152 (void) ext2fs_free_mem(&fs_features
);
2154 * If the user specified features incompatible with the Hurd, complain
2156 if (for_hurd(creator_os
)) {
2157 if (ext2fs_has_feature_filetype(&fs_param
)) {
2158 fprintf(stderr
, "%s", _("The HURD does not support the "
2159 "filetype feature.\n"));
2162 if (ext2fs_has_feature_huge_file(&fs_param
)) {
2163 fprintf(stderr
, "%s", _("The HURD does not support the "
2164 "huge_file feature.\n"));
2167 if (ext2fs_has_feature_metadata_csum(&fs_param
)) {
2168 fprintf(stderr
, "%s", _("The HURD does not support the "
2169 "metadata_csum feature.\n"));
2172 if (ext2fs_has_feature_ea_inode(&fs_param
)) {
2173 fprintf(stderr
, "%s", _("The HURD does not support the "
2174 "ea_inode feature.\n"));
2179 /* Get the hardware sector sizes, if available */
2180 retval
= ext2fs_get_device_sectsize(device_name
, &lsector_size
);
2182 com_err(program_name
, retval
, "%s",
2183 _("while trying to determine hardware sector size"));
2186 retval
= ext2fs_get_device_phys_sectsize(device_name
, &psector_size
);
2188 com_err(program_name
, retval
, "%s",
2189 _("while trying to determine physical sector size"));
2193 tmp
= getenv("MKE2FS_DEVICE_SECTSIZE");
2195 lsector_size
= atoi(tmp
);
2196 tmp
= getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
2198 psector_size
= atoi(tmp
);
2200 /* Older kernels may not have physical/logical distinction */
2202 psector_size
= lsector_size
;
2204 if (blocksize
<= 0) {
2205 use_bsize
= get_int_from_profile(fs_types
, "blocksize", 4096);
2207 if (use_bsize
== -1) {
2208 use_bsize
= sys_page_size
;
2209 if (is_before_linux_ver(2, 6, 0) && use_bsize
> 4096)
2212 if (lsector_size
&& use_bsize
< lsector_size
)
2213 use_bsize
= lsector_size
;
2214 if ((blocksize
< 0) && (use_bsize
< (-blocksize
)))
2215 use_bsize
= -blocksize
;
2216 blocksize
= use_bsize
;
2217 fs_blocks_count
/= (blocksize
/ 1024);
2219 if (blocksize
< lsector_size
) { /* Impossible */
2220 com_err(program_name
, EINVAL
, "%s",
2221 _("while setting blocksize; too small "
2224 } else if ((blocksize
< psector_size
) &&
2225 (psector_size
<= sys_page_size
)) { /* Suboptimal */
2226 fprintf(stderr
, _("Warning: specified blocksize %d is "
2227 "less than device physical sectorsize %d\n"),
2228 blocksize
, psector_size
);
2232 fs_param
.s_log_block_size
=
2233 int_log2(blocksize
>> EXT2_MIN_BLOCK_LOG_SIZE
);
2236 * We now need to do a sanity check of fs_blocks_count for
2237 * 32-bit vs 64-bit block number support.
2239 if ((fs_blocks_count
> MAX_32_NUM
) &&
2240 ext2fs_has_feature_64bit(&fs_param
))
2241 ext2fs_clear_feature_resize_inode(&fs_param
);
2242 if ((fs_blocks_count
> MAX_32_NUM
) &&
2243 !ext2fs_has_feature_64bit(&fs_param
) &&
2244 get_bool_from_profile(fs_types
, "auto_64-bit_support", 0)) {
2245 ext2fs_set_feature_64bit(&fs_param
);
2246 ext2fs_clear_feature_resize_inode(&fs_param
);
2248 if ((fs_blocks_count
> MAX_32_NUM
) &&
2249 !ext2fs_has_feature_64bit(&fs_param
)) {
2250 fprintf(stderr
, _("%s: Size of device (0x%llx blocks) %s "
2251 "too big to be expressed\n\t"
2252 "in 32 bits using a blocksize of %d.\n"),
2253 program_name
, (unsigned long long) fs_blocks_count
,
2254 device_name
, EXT2_BLOCK_SIZE(&fs_param
));
2258 * Guard against group descriptor count overflowing... Mostly to avoid
2259 * strange results for absurdly large devices. This is in log2:
2260 * (blocksize) * (bits per byte) * (maximum number of block groups)
2262 if (fs_blocks_count
>
2263 (1ULL << (EXT2_BLOCK_SIZE_BITS(&fs_param
) + 3 + 32)) - 1) {
2264 fprintf(stderr
, _("%s: Size of device (0x%llx blocks) %s "
2265 "too big to create\n\t"
2266 "a filesystem using a blocksize of %d.\n"),
2267 program_name
, (unsigned long long) fs_blocks_count
,
2268 device_name
, EXT2_BLOCK_SIZE(&fs_param
));
2272 ext2fs_blocks_count_set(&fs_param
, fs_blocks_count
);
2274 if (ext2fs_has_feature_journal_dev(&fs_param
)) {
2277 for (i
=0; fs_types
[i
]; i
++) {
2281 fs_types
[0] = strdup("journal");
2286 fputs(_("fs_types for mke2fs.conf resolution: "), stdout
);
2287 print_str_list(fs_types
);
2290 if (r_opt
== EXT2_GOOD_OLD_REV
&&
2291 (fs_param
.s_feature_compat
|| fs_param
.s_feature_incompat
||
2292 fs_param
.s_feature_ro_compat
)) {
2293 fprintf(stderr
, "%s", _("Filesystem features not supported "
2294 "with revision 0 filesystems\n"));
2299 if (r_opt
== EXT2_GOOD_OLD_REV
) {
2300 fprintf(stderr
, "%s",
2301 _("Sparse superblocks not supported "
2302 "with revision 0 filesystems\n"));
2305 ext2fs_set_feature_sparse_super(&fs_param
);
2306 } else if (s_opt
== 0)
2307 ext2fs_clear_feature_sparse_super(&fs_param
);
2309 if (journal_size
!= 0) {
2310 if (r_opt
== EXT2_GOOD_OLD_REV
) {
2311 fprintf(stderr
, "%s", _("Journals not supported with "
2312 "revision 0 filesystems\n"));
2315 ext2fs_set_feature_journal(&fs_param
);
2318 /* Get reserved_ratio from profile if not specified on cmd line. */
2319 if (reserved_ratio
< 0.0) {
2320 reserved_ratio
= get_double_from_profile(
2321 fs_types
, "reserved_ratio", 5.0);
2322 if (reserved_ratio
> 50 || reserved_ratio
< 0) {
2323 com_err(program_name
, 0,
2324 _("invalid reserved blocks percent - %lf"),
2330 if (ext2fs_has_feature_journal_dev(&fs_param
)) {
2332 fs_param
.s_feature_incompat
= EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
;
2333 fs_param
.s_feature_compat
= 0;
2334 fs_param
.s_feature_ro_compat
&=
2335 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
;
2338 /* Check the user's mkfs options for 64bit */
2339 if (ext2fs_has_feature_64bit(&fs_param
) &&
2340 !ext2fs_has_feature_extents(&fs_param
)) {
2341 printf("%s", _("Extents MUST be enabled for a 64-bit "
2342 "filesystem. Pass -O extents to rectify.\n"));
2346 /* Set first meta blockgroup via an environment variable */
2347 /* (this is mostly for debugging purposes) */
2348 if (ext2fs_has_feature_meta_bg(&fs_param
) &&
2349 (tmp
= getenv("MKE2FS_FIRST_META_BG")))
2350 fs_param
.s_first_meta_bg
= atoi(tmp
);
2351 if (ext2fs_has_feature_bigalloc(&fs_param
)) {
2353 cluster_size
= get_int_from_profile(fs_types
,
2356 fs_param
.s_log_cluster_size
=
2357 int_log2(cluster_size
>> EXT2_MIN_CLUSTER_LOG_SIZE
);
2358 if (fs_param
.s_log_cluster_size
&&
2359 fs_param
.s_log_cluster_size
< fs_param
.s_log_block_size
) {
2360 com_err(program_name
, 0, "%s",
2361 _("The cluster size may not be "
2362 "smaller than the block size.\n"));
2365 } else if (cluster_size
) {
2366 com_err(program_name
, 0, "%s",
2367 _("specifying a cluster size requires the "
2368 "bigalloc feature"));
2371 fs_param
.s_log_cluster_size
= fs_param
.s_log_block_size
;
2373 if (inode_ratio
== 0) {
2374 inode_ratio
= get_int_from_profile(fs_types
, "inode_ratio",
2376 if (inode_ratio
< blocksize
)
2377 inode_ratio
= blocksize
;
2378 if (inode_ratio
< EXT2_CLUSTER_SIZE(&fs_param
))
2379 inode_ratio
= EXT2_CLUSTER_SIZE(&fs_param
);
2382 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2383 retval
= get_device_geometry(device_name
, blocksize
,
2384 psector_size
, &dev_param
);
2387 _("warning: Unable to get device geometry for %s\n"),
2390 /* setting stripe/stride to blocksize is pointless */
2391 if (dev_param
.min_io
> (unsigned) blocksize
)
2392 fs_param
.s_raid_stride
= dev_param
.min_io
/ blocksize
;
2393 if (dev_param
.opt_io
> (unsigned) blocksize
) {
2394 fs_param
.s_raid_stripe_width
=
2395 dev_param
.opt_io
/ blocksize
;
2398 if (dev_param
.alignment_offset
) {
2399 printf(_("%s alignment is offset by %lu bytes.\n"),
2400 device_name
, dev_param
.alignment_offset
);
2401 printf(_("This may result in very poor performance, "
2402 "(re)-partitioning suggested.\n"));
2405 if (dev_param
.dax
&& blocksize
!= sys_page_size
) {
2407 _("%s is capable of DAX but current block size "
2408 "%u is different from system page size %u so "
2409 "filesystem will not support DAX.\n"),
2410 device_name
, blocksize
, sys_page_size
);
2415 num_backups
= get_int_from_profile(fs_types
, "num_backup_sb", 2);
2417 blocksize
= EXT2_BLOCK_SIZE(&fs_param
);
2420 * Initialize s_desc_size so that the parse_extended_opts()
2421 * can correctly handle "-E resize=NNN" if the 64-bit option
2424 if (ext2fs_has_feature_64bit(&fs_param
))
2425 fs_param
.s_desc_size
= EXT2_MIN_DESC_SIZE_64BIT
;
2427 /* This check should happen beyond the last assignment to blocksize */
2428 if (blocksize
> sys_page_size
) {
2430 com_err(program_name
, 0,
2431 _("%d-byte blocks too big for system (max %d)"),
2432 blocksize
, sys_page_size
);
2433 proceed_question(proceed_delay
);
2435 fprintf(stderr
, _("Warning: %d-byte blocks too big for system "
2436 "(max %d), forced to continue\n"),
2437 blocksize
, sys_page_size
);
2440 /* Metadata checksumming wasn't totally stable before 3.18. */
2441 if (is_before_linux_ver(3, 18, 0) &&
2442 ext2fs_has_feature_metadata_csum(&fs_param
))
2443 fprintf(stderr
, _("Suggestion: Use Linux kernel >= 3.18 for "
2444 "improved stability of the metadata and journal "
2445 "checksum features.\n"));
2448 * On newer kernels we do have lazy_itable_init support. So pick the
2449 * right default in case ext4 module is not loaded.
2451 if (is_before_linux_ver(2, 6, 37))
2452 lazy_itable_init
= 0;
2454 lazy_itable_init
= 1;
2456 if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK
) == 0)
2457 lazy_itable_init
= 1;
2459 lazy_itable_init
= get_bool_from_profile(fs_types
,
2462 discard
= get_bool_from_profile(fs_types
, "discard" , discard
);
2463 journal_flags
|= get_bool_from_profile(fs_types
,
2464 "lazy_journal_init", 0) ?
2465 EXT2_MKJOURNAL_LAZYINIT
: 0;
2466 journal_flags
|= EXT2_MKJOURNAL_NO_MNT_CHECK
;
2468 if (!journal_location_string
)
2469 journal_location_string
= get_string_from_profile(fs_types
,
2470 "journal_location", "");
2471 if ((journal_location
== ~0ULL) && journal_location_string
&&
2472 *journal_location_string
)
2473 journal_location
= parse_num_blocks2(journal_location_string
,
2474 fs_param
.s_log_block_size
);
2475 free(journal_location_string
);
2477 packed_meta_blocks
= get_bool_from_profile(fs_types
,
2478 "packed_meta_blocks", 0);
2479 if (packed_meta_blocks
)
2480 journal_location
= 0;
2482 if (ext2fs_has_feature_casefold(&fs_param
)) {
2483 char *ef
, *en
= get_string_from_profile(fs_types
,
2484 "encoding", "utf8");
2485 int encoding
= e2p_str2encoding(en
);
2488 com_err(program_name
, 0,
2489 _("Unknown filename encoding from profile: %s"),
2494 fs_param
.s_encoding
= encoding
;
2495 ef
= get_string_from_profile(fs_types
, "encoding_flags", NULL
);
2497 if (e2p_str2encoding_flags(encoding
, ef
,
2498 &fs_param
.s_encoding_flags
) < 0) {
2499 com_err(program_name
, 0,
2500 _("Unknown encoding flags from profile: %s"), ef
);
2505 fs_param
.s_encoding_flags
=
2506 e2p_get_encoding_flags(encoding
);
2509 /* Get options from profile */
2510 for (cpp
= fs_types
; *cpp
; cpp
++) {
2512 profile_get_string(profile
, "fs_types", *cpp
, "options", "", &tmp
);
2514 parse_extended_opts(&fs_param
, tmp
);
2519 parse_extended_opts(&fs_param
, extended_opts
);
2521 if (explicit_fssize
== 0 && offset
> 0) {
2522 fs_blocks_count
-= offset
/ EXT2_BLOCK_SIZE(&fs_param
);
2523 ext2fs_blocks_count_set(&fs_param
, fs_blocks_count
);
2525 _("\nWarning: offset specified without an "
2526 "explicit file system size.\n"
2527 "Creating a file system with %llu blocks "
2529 "not be what you want.\n\n"),
2530 (unsigned long long) fs_blocks_count
);
2533 if (quotatype_bits
& QUOTA_PRJ_BIT
)
2534 ext2fs_set_feature_project(&fs_param
);
2536 if (ext2fs_has_feature_project(&fs_param
)) {
2537 quotatype_bits
|= QUOTA_PRJ_BIT
;
2538 if (inode_size
== EXT2_GOOD_OLD_INODE_SIZE
) {
2539 com_err(program_name
, 0,
2540 _("%d byte inodes are too small for "
2545 if (inode_size
== 0) {
2546 inode_size
= get_int_from_profile(fs_types
,
2548 if (inode_size
<= EXT2_GOOD_OLD_INODE_SIZE
*2)
2549 inode_size
= EXT2_GOOD_OLD_INODE_SIZE
*2;
2553 /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2554 if (ext2fs_has_feature_metadata_csum(&fs_param
) &&
2555 ext2fs_has_feature_gdt_csum(&fs_param
))
2556 ext2fs_clear_feature_gdt_csum(&fs_param
);
2558 /* Can't support bigalloc feature without extents feature */
2559 if (ext2fs_has_feature_bigalloc(&fs_param
) &&
2560 !ext2fs_has_feature_extents(&fs_param
)) {
2561 com_err(program_name
, 0, "%s",
2562 _("Can't support bigalloc feature without "
2563 "extents feature"));
2567 if (ext2fs_has_feature_meta_bg(&fs_param
) &&
2568 ext2fs_has_feature_resize_inode(&fs_param
)) {
2569 fprintf(stderr
, "%s", _("The resize_inode and meta_bg "
2570 "features are not compatible.\n"
2571 "They can not be both enabled "
2572 "simultaneously.\n"));
2576 if (!quiet
&& ext2fs_has_feature_bigalloc(&fs_param
) &&
2577 EXT2_CLUSTER_SIZE(&fs_param
) > 16 * EXT2_BLOCK_SIZE(&fs_param
))
2578 fprintf(stderr
, "%s", _("\nWarning: bigalloc file systems "
2579 "with a cluster size greater than\n"
2580 "16 times the block size is considered "
2584 * Since sparse_super is the default, we would only have a problem
2585 * here if it was explicitly disabled.
2587 if (ext2fs_has_feature_resize_inode(&fs_param
) &&
2588 !ext2fs_has_feature_sparse_super(&fs_param
)) {
2589 com_err(program_name
, 0, "%s",
2590 _("reserved online resize blocks not supported "
2591 "on non-sparse filesystem"));
2595 if (fs_param
.s_blocks_per_group
) {
2596 if (fs_param
.s_blocks_per_group
< 256 ||
2597 fs_param
.s_blocks_per_group
> 8 * (unsigned) blocksize
) {
2598 com_err(program_name
, 0, "%s",
2599 _("blocks per group count out of range"));
2605 * If the bigalloc feature is enabled, then the -g option will
2606 * specify the number of clusters per group.
2608 if (ext2fs_has_feature_bigalloc(&fs_param
)) {
2609 fs_param
.s_clusters_per_group
= fs_param
.s_blocks_per_group
;
2610 fs_param
.s_blocks_per_group
= 0;
2613 if (inode_size
== 0)
2614 inode_size
= get_int_from_profile(fs_types
, "inode_size", 0);
2615 if (!flex_bg_size
&& ext2fs_has_feature_flex_bg(&fs_param
))
2616 flex_bg_size
= get_uint_from_profile(fs_types
,
2617 "flex_bg_size", 16);
2619 if (!ext2fs_has_feature_flex_bg(&fs_param
)) {
2620 com_err(program_name
, 0, "%s",
2621 _("Flex_bg feature not enabled, so "
2622 "flex_bg size may not be specified"));
2625 fs_param
.s_log_groups_per_flex
= int_log2(flex_bg_size
);
2628 if (inode_size
&& fs_param
.s_rev_level
>= EXT2_DYNAMIC_REV
) {
2629 if (inode_size
< EXT2_GOOD_OLD_INODE_SIZE
||
2630 inode_size
> EXT2_BLOCK_SIZE(&fs_param
) ||
2631 inode_size
& (inode_size
- 1)) {
2632 com_err(program_name
, 0,
2633 _("invalid inode size %d (min %d/max %d)"),
2634 inode_size
, EXT2_GOOD_OLD_INODE_SIZE
,
2638 fs_param
.s_inode_size
= inode_size
;
2642 * If inode size is 128 and inline data is enabled, we need
2643 * to notify users that inline data will never be useful.
2645 if (ext2fs_has_feature_inline_data(&fs_param
) &&
2646 fs_param
.s_inode_size
== EXT2_GOOD_OLD_INODE_SIZE
) {
2647 com_err(program_name
, 0,
2648 _("%d byte inodes are too small for inline data; "
2649 "specify larger size"),
2650 fs_param
.s_inode_size
);
2655 * Warn the user that filesystems with 128-byte inodes will
2656 * not work properly beyond 2038. This can be suppressed via
2657 * a boolean in the mke2fs.conf file, and we will disable this
2658 * warning for file systems created for the GNU Hurd.
2660 if (inode_size
== EXT2_GOOD_OLD_INODE_SIZE
&&
2661 get_bool_from_profile(fs_types
, "warn_y2038_dates", 1))
2663 _("128-byte inodes cannot handle dates beyond 2038 and are deprecated\n"));
2665 /* Make sure number of inodes specified will fit in 32 bits */
2666 if (num_inodes
== 0) {
2667 unsigned long long n
;
2668 n
= ext2fs_blocks_count(&fs_param
) * blocksize
/ inode_ratio
;
2669 if (n
> MAX_32_NUM
) {
2670 if (ext2fs_has_feature_64bit(&fs_param
))
2671 num_inodes
= MAX_32_NUM
;
2673 com_err(program_name
, 0,
2674 _("too many inodes (%llu), raise "
2676 (unsigned long long) n
);
2680 } else if (num_inodes
> MAX_32_NUM
) {
2681 com_err(program_name
, 0,
2682 _("too many inodes (%llu), specify < 2^32 inodes"),
2683 (unsigned long long) num_inodes
);
2687 * Calculate number of inodes based on the inode ratio
2689 fs_param
.s_inodes_count
= num_inodes
? num_inodes
:
2690 (ext2fs_blocks_count(&fs_param
) * blocksize
) / inode_ratio
;
2692 if ((((unsigned long long)fs_param
.s_inodes_count
) *
2693 (inode_size
? inode_size
: EXT2_GOOD_OLD_INODE_SIZE
)) >=
2694 ((ext2fs_blocks_count(&fs_param
)) *
2695 EXT2_BLOCK_SIZE(&fs_param
))) {
2696 com_err(program_name
, 0, _("inode_size (%u) * inodes_count "
2697 "(%u) too big for a\n\t"
2698 "filesystem with %llu blocks, "
2699 "specify higher inode_ratio (-i)\n\t"
2700 "or lower inode count (-N).\n"),
2701 inode_size
? inode_size
: EXT2_GOOD_OLD_INODE_SIZE
,
2702 fs_param
.s_inodes_count
,
2703 (unsigned long long) ext2fs_blocks_count(&fs_param
));
2708 * Calculate number of blocks to reserve
2710 ext2fs_r_blocks_count_set(&fs_param
, reserved_ratio
*
2711 ext2fs_blocks_count(&fs_param
) / 100.0);
2713 if (ext2fs_has_feature_sparse_super2(&fs_param
)) {
2714 if (num_backups
>= 1)
2715 fs_param
.s_backup_bgs
[0] = 1;
2716 if (num_backups
>= 2)
2717 fs_param
.s_backup_bgs
[1] = ~0;
2723 /* The isatty() test is so we don't break existing scripts */
2724 flags
= CREATE_FILE
;
2725 if (isatty(0) && isatty(1) && !offset
)
2726 flags
|= CHECK_FS_EXIST
;
2728 flags
|= VERBOSE_CREATE
;
2729 if (!explicit_fssize
)
2731 if (!check_plausibility(device_name
, flags
, &is_device
) && !force
)
2732 proceed_question(proceed_delay
);
2735 static int should_do_undo(const char *name
)
2740 struct ext2_super_block super
;
2741 io_manager manager
= default_io_manager
;
2742 int csum_flag
, force_undo
;
2744 csum_flag
= ext2fs_has_feature_metadata_csum(&fs_param
) ||
2745 ext2fs_has_feature_gdt_csum(&fs_param
);
2746 force_undo
= get_int_from_profile(fs_types
, "force_undo", 0);
2747 if (!force_undo
&& (!csum_flag
|| !lazy_itable_init
))
2750 retval
= manager
->open(name
, IO_FLAG_EXCLUSIVE
, &channel
);
2753 * We don't handle error cases instead we
2754 * declare that the file system doesn't exist
2755 * and let the rest of mke2fs take care of
2762 io_channel_set_blksize(channel
, SUPERBLOCK_OFFSET
);
2763 retval
= io_channel_read_blk64(channel
, 1, -SUPERBLOCK_SIZE
, &super
);
2769 #if defined(WORDS_BIGENDIAN)
2770 s_magic
= ext2fs_swab16(super
.s_magic
);
2772 s_magic
= super
.s_magic
;
2775 if (s_magic
== EXT2_SUPER_MAGIC
)
2779 io_channel_close(channel
);
2786 static int mke2fs_setup_tdb(const char *name
, io_manager
*io_ptr
)
2788 errcode_t retval
= ENOMEM
;
2789 char *tdb_dir
= NULL
, *tdb_file
= NULL
;
2790 char *dev_name
, *tmp_name
;
2791 int free_tdb_dir
= 0;
2793 /* (re)open a specific undo file */
2794 if (undo_file
&& undo_file
[0] != 0) {
2795 retval
= set_undo_io_backing_manager(*io_ptr
);
2798 *io_ptr
= undo_io_manager
;
2799 retval
= set_undo_io_backup_file(undo_file
);
2802 printf(_("Overwriting existing filesystem; this can be undone "
2803 "using the command:\n"
2804 " e2undo %s %s\n\n"), undo_file
, name
);
2809 * Configuration via a conf file would be
2812 tdb_dir
= getenv("E2FSPROGS_UNDO_DIR");
2814 profile_get_string(profile
, "defaults",
2815 "undo_dir", 0, "/var/lib/e2fsprogs",
2820 if (!strcmp(tdb_dir
, "none") || (tdb_dir
[0] == 0) ||
2821 access(tdb_dir
, W_OK
)) {
2827 tmp_name
= strdup(name
);
2830 dev_name
= basename(tmp_name
);
2831 tdb_file
= malloc(strlen(tdb_dir
) + 8 + strlen(dev_name
) + 7 + 1);
2836 sprintf(tdb_file
, "%s/mke2fs-%s.e2undo", tdb_dir
, dev_name
);
2839 if ((unlink(tdb_file
) < 0) && (errno
!= ENOENT
)) {
2841 com_err(program_name
, retval
,
2842 _("while trying to delete %s"), tdb_file
);
2846 retval
= set_undo_io_backing_manager(*io_ptr
);
2849 *io_ptr
= undo_io_manager
;
2850 retval
= set_undo_io_backup_file(tdb_file
);
2853 printf(_("Overwriting existing filesystem; this can be undone "
2854 "using the command:\n"
2855 " e2undo %s %s\n\n"), tdb_file
, name
);
2867 com_err(program_name
, retval
, "%s",
2868 _("while trying to setup undo file\n"));
2872 static int mke2fs_discard_device(ext2_filsys fs
)
2874 struct ext2fs_numeric_progress_struct progress
;
2875 blk64_t blocks
= ext2fs_blocks_count(fs
->super
);
2876 blk64_t count
= DISCARD_STEP_MB
;
2881 * Let's try if discard really works on the device, so
2882 * we do not print numeric progress resulting in failure
2885 retval
= io_channel_discard(fs
->io
, 0, 1);
2889 count
*= (1024 * 1024);
2890 count
/= fs
->blocksize
;
2892 ext2fs_numeric_progress_init(fs
, &progress
,
2893 _("Discarding device blocks: "),
2895 while (cur
< blocks
) {
2896 ext2fs_numeric_progress_update(fs
, &progress
, cur
);
2898 if (cur
+ count
> blocks
)
2899 count
= blocks
- cur
;
2901 retval
= io_channel_discard(fs
->io
, cur
, count
);
2908 ext2fs_numeric_progress_close(fs
, &progress
,
2911 printf("%s\n",error_message(retval
));
2913 ext2fs_numeric_progress_close(fs
, &progress
,
2919 static void fix_cluster_bg_counts(ext2_filsys fs
)
2921 blk64_t block
, num_blocks
, last_block
, next
;
2922 blk64_t tot_free
= 0;
2927 num_blocks
= ext2fs_blocks_count(fs
->super
);
2928 last_block
= ext2fs_group_last_block2(fs
, group
);
2929 block
= fs
->super
->s_first_data_block
;
2930 while (block
< num_blocks
) {
2931 retval
= ext2fs_find_first_zero_block_bitmap2(fs
->block_map
,
2932 block
, last_block
, &next
);
2936 block
= last_block
+ 1;
2940 retval
= ext2fs_find_first_set_block_bitmap2(fs
->block_map
,
2941 block
, last_block
, &next
);
2943 next
= last_block
+ 1;
2944 grp_free
+= EXT2FS_NUM_B2C(fs
, next
- block
);
2945 tot_free
+= next
- block
;
2948 if (block
> last_block
) {
2950 ext2fs_bg_free_blocks_count_set(fs
, group
, grp_free
);
2951 ext2fs_group_desc_csum_set(fs
, group
);
2954 last_block
= ext2fs_group_last_block2(fs
, group
);
2957 ext2fs_free_blocks_count_set(fs
->super
, tot_free
);
2960 static int create_quota_inodes(ext2_filsys fs
)
2965 retval
= quota_init_context(&qctx
, fs
, quotatype_bits
);
2967 com_err(program_name
, retval
,
2968 _("while initializing quota context"));
2971 quota_compute_usage(qctx
);
2972 retval
= quota_write_inode(qctx
, quotatype_bits
);
2974 com_err(program_name
, retval
,
2975 _("while writing quota inodes"));
2978 quota_release_context(&qctx
);
2983 static errcode_t
set_error_behavior(ext2_filsys fs
)
2986 short errors
= fs
->super
->s_errors
;
2988 arg
= get_string_from_profile(fs_types
, "errors", NULL
);
2992 if (strcmp(arg
, "continue") == 0)
2993 errors
= EXT2_ERRORS_CONTINUE
;
2994 else if (strcmp(arg
, "remount-ro") == 0)
2995 errors
= EXT2_ERRORS_RO
;
2996 else if (strcmp(arg
, "panic") == 0)
2997 errors
= EXT2_ERRORS_PANIC
;
2999 com_err(program_name
, 0,
3000 _("bad error behavior in profile - %s"),
3003 return EXT2_ET_INVALID_ARGUMENT
;
3008 if (errors_behavior
)
3009 errors
= errors_behavior
;
3011 fs
->super
->s_errors
= errors
;
3015 int main (int argc
, char *argv
[])
3017 errcode_t retval
= 0;
3019 badblocks_list bb_list
= 0;
3020 badblocks_iterate bb_iter
;
3022 struct ext2fs_journal_params jparams
= {0};
3023 unsigned int i
, checkinterval
;
3029 char opt_string
[40];
3031 int itable_zeroed
= 0;
3035 setlocale(LC_MESSAGES
, "");
3036 setlocale(LC_CTYPE
, "");
3037 bindtextdomain(NLS_CAT_NAME
, LOCALEDIR
);
3038 textdomain(NLS_CAT_NAME
);
3039 set_com_err_gettext(gettext
);
3043 #ifdef CONFIG_TESTIO_DEBUG
3044 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
3045 io_ptr
= test_io_manager
;
3046 test_io_backing_manager
= default_io_manager
;
3049 io_ptr
= default_io_manager
;
3051 if (undo_file
!= NULL
|| should_do_undo(device_name
)) {
3052 retval
= mke2fs_setup_tdb(device_name
, &io_ptr
);
3058 * Initialize the superblock....
3060 flags
= EXT2_FLAG_EXCLUSIVE
;
3062 flags
|= EXT2_FLAG_DIRECT_IO
;
3063 profile_get_boolean(profile
, "options", "old_bitmaps", 0, 0,
3066 flags
|= EXT2_FLAG_64BITS
;
3068 * By default, we print how many inode tables or block groups
3069 * or whatever we've written so far. The quiet flag disables
3070 * this, along with a lot of other output.
3073 flags
|= EXT2_FLAG_PRINT_PROGRESS
;
3074 if (android_sparse_file
) {
3075 char *android_sparse_params
= malloc(strlen(device_name
) + 48);
3077 if (!android_sparse_params
) {
3078 com_err(program_name
, ENOMEM
, "%s",
3079 _("in malloc for android_sparse_params"));
3082 sprintf(android_sparse_params
, "(%s):%u:%u",
3083 device_name
, fs_param
.s_blocks_count
,
3084 1024 << fs_param
.s_log_block_size
);
3085 retval
= ext2fs_initialize(android_sparse_params
, flags
,
3086 &fs_param
, sparse_io_manager
, &fs
);
3087 free(android_sparse_params
);
3089 retval
= ext2fs_initialize(device_name
, flags
, &fs_param
,
3092 com_err(device_name
, retval
, "%s",
3093 _("while setting up superblock"));
3096 fs
->progress_ops
= &ext2fs_numeric_progress_ops
;
3098 /* Set the error behavior */
3099 retval
= set_error_behavior(fs
);
3103 /* Check the user's mkfs options for metadata checksumming */
3105 !ext2fs_has_feature_journal_dev(fs
->super
) &&
3106 ext2fs_has_feature_metadata_csum(fs
->super
)) {
3107 if (!ext2fs_has_feature_extents(fs
->super
))
3109 _("Extents are not enabled. The file extent "
3110 "tree can be checksummed, whereas block maps "
3111 "cannot. Not enabling extents reduces the "
3112 "coverage of metadata checksumming. "
3113 "Pass -O extents to rectify.\n"));
3114 if (!ext2fs_has_feature_64bit(fs
->super
))
3116 _("64-bit filesystem support is not enabled. "
3117 "The larger fields afforded by this feature "
3118 "enable full-strength checksumming. "
3119 "Pass -O 64bit to rectify.\n"));
3122 if (ext2fs_has_feature_csum_seed(fs
->super
) &&
3123 !ext2fs_has_feature_metadata_csum(fs
->super
)) {
3124 printf("%s", _("The metadata_csum_seed feature "
3125 "requires the metadata_csum feature.\n"));
3129 /* Calculate journal blocks */
3130 if (!journal_device
&& ((journal_size
) ||
3131 ext2fs_has_feature_journal(&fs_param
)))
3132 figure_journal_size(&jparams
, journal_size
, journal_fc_size
, fs
);
3134 sprintf(opt_string
, "tdb_data_size=%d", fs
->blocksize
<= 4096 ?
3135 32768 : fs
->blocksize
* 8);
3136 io_channel_set_options(fs
->io
, opt_string
);
3138 sprintf(opt_string
, "offset=%llu", (unsigned long long) offset
);
3139 io_channel_set_options(fs
->io
, opt_string
);
3142 if (assume_storage_prezeroed
) {
3145 _("Assuming the storage device is prezeroed "
3146 "- skipping inode table and journal wipe\n"));
3148 lazy_itable_init
= 1;
3151 journal_flags
|= EXT2_MKJOURNAL_LAZYINIT
;
3154 /* Can't undo discard ... */
3155 if (!noaction
&& discard
&& dev_size
&& (io_ptr
!= undo_io_manager
)) {
3156 retval
= mke2fs_discard_device(fs
);
3157 if (!retval
&& io_channel_discard_zeroes_data(fs
->io
)) {
3160 _("Discard succeeded and will return "
3161 "0s - skipping inode table wipe\n"));
3162 lazy_itable_init
= 1;
3168 if (fs_param
.s_flags
& EXT2_FLAGS_TEST_FILESYS
)
3169 fs
->super
->s_flags
|= EXT2_FLAGS_TEST_FILESYS
;
3171 if (ext2fs_has_feature_flex_bg(&fs_param
) ||
3172 ext2fs_has_feature_huge_file(&fs_param
) ||
3173 ext2fs_has_feature_gdt_csum(&fs_param
) ||
3174 ext2fs_has_feature_dir_nlink(&fs_param
) ||
3175 ext2fs_has_feature_metadata_csum(&fs_param
) ||
3176 ext2fs_has_feature_extra_isize(&fs_param
))
3177 fs
->super
->s_kbytes_written
= 1;
3180 * Wipe out the old on-disk superblock
3183 zap_sector(fs
, 2, 6);
3186 * Parse or generate a UUID for the filesystem
3189 if ((strcasecmp(fs_uuid
, "null") == 0) ||
3190 (strcasecmp(fs_uuid
, "clear") == 0)) {
3191 uuid_clear(fs
->super
->s_uuid
);
3192 } else if (strcasecmp(fs_uuid
, "time") == 0) {
3193 uuid_generate_time(fs
->super
->s_uuid
);
3194 } else if (strcasecmp(fs_uuid
, "random") == 0) {
3195 uuid_generate(fs
->super
->s_uuid
);
3196 } else if (uuid_parse(fs_uuid
, fs
->super
->s_uuid
) != 0) {
3197 com_err(device_name
, 0, "could not parse UUID: %s\n",
3202 uuid_generate(fs
->super
->s_uuid
);
3204 if (ext2fs_has_feature_csum_seed(fs
->super
))
3205 fs
->super
->s_checksum_seed
= ext2fs_crc32c_le(~0,
3206 fs
->super
->s_uuid
, sizeof(fs
->super
->s_uuid
));
3208 ext2fs_init_csum_seed(fs
);
3211 * Initialize the directory index variables
3213 hash_alg_str
= get_string_from_profile(fs_types
, "hash_alg",
3215 hash_alg
= e2p_string2hash(hash_alg_str
);
3217 fs
->super
->s_def_hash_version
= (hash_alg
>= 0) ? hash_alg
:
3220 if (memcmp(fs_param
.s_hash_seed
, zero_buf
,
3221 sizeof(fs_param
.s_hash_seed
)) != 0) {
3222 memcpy(fs
->super
->s_hash_seed
, fs_param
.s_hash_seed
,
3223 sizeof(fs
->super
->s_hash_seed
));
3225 uuid_generate((unsigned char *) fs
->super
->s_hash_seed
);
3228 * Periodic checks can be enabled/disabled via config file.
3229 * Note we override the kernel include file's idea of what the default
3230 * check interval (never) should be. It's a good idea to check at
3231 * least *occasionally*, specially since servers will never rarely get
3232 * to reboot, since Linux is so robust these days. :-)
3234 * 180 days (six months) seems like a good value.
3236 #ifdef EXT2_DFL_CHECKINTERVAL
3237 #undef EXT2_DFL_CHECKINTERVAL
3239 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
3241 if (get_bool_from_profile(fs_types
, "enable_periodic_fsck", 0)) {
3242 fs
->super
->s_checkinterval
= EXT2_DFL_CHECKINTERVAL
;
3243 fs
->super
->s_max_mnt_count
= EXT2_DFL_MAX_MNT_COUNT
;
3245 * Add "jitter" to the superblock's check interval so that we
3246 * don't check all the filesystems at the same time. We use a
3247 * kludgy hack of using the UUID to derive a random jitter value
3249 for (i
= 0, val
= 0 ; i
< sizeof(fs
->super
->s_uuid
); i
++)
3250 val
+= fs
->super
->s_uuid
[i
];
3251 fs
->super
->s_max_mnt_count
+= val
% EXT2_DFL_MAX_MNT_COUNT
;
3253 fs
->super
->s_max_mnt_count
= -1;
3256 * Override the creator OS, if applicable
3258 if (creator_os
&& !set_os(fs
->super
, creator_os
)) {
3259 com_err (program_name
, 0, _("unknown os - %s"), creator_os
);
3264 * For the Hurd, we will turn off filetype since it doesn't
3267 if (fs
->super
->s_creator_os
== EXT2_OS_HURD
)
3268 ext2fs_clear_feature_filetype(fs
->super
);
3271 * Set the volume label...
3274 memset(fs
->super
->s_volume_name
, 0,
3275 sizeof(fs
->super
->s_volume_name
));
3276 strncpy((char *) fs
->super
->s_volume_name
, volume_label
,
3277 sizeof(fs
->super
->s_volume_name
));
3281 * Set the last mount directory
3284 memset(fs
->super
->s_last_mounted
, 0,
3285 sizeof(fs
->super
->s_last_mounted
));
3286 strncpy((char *) fs
->super
->s_last_mounted
, mount_dir
,
3287 sizeof(fs
->super
->s_last_mounted
));
3290 /* Set current default encryption algorithms for data and
3291 * filename encryption */
3292 if (ext2fs_has_feature_encrypt(fs
->super
)) {
3293 fs
->super
->s_encrypt_algos
[0] =
3294 EXT4_ENCRYPTION_MODE_AES_256_XTS
;
3295 fs
->super
->s_encrypt_algos
[1] =
3296 EXT4_ENCRYPTION_MODE_AES_256_CTS
;
3299 if (ext2fs_has_feature_metadata_csum(fs
->super
))
3300 fs
->super
->s_checksum_type
= EXT2_CRC32C_CHKSUM
;
3302 if (!quiet
|| noaction
)
3308 if (ext2fs_has_feature_journal_dev(fs
->super
)) {
3309 create_journal_dev(fs
);
3311 exit(ext2fs_close_free(&fs
) ? 1 : 0);
3314 if (bad_blocks_filename
)
3315 read_bb_file(fs
, &bb_list
, bad_blocks_filename
);
3317 test_disk(fs
, &bb_list
);
3318 handle_bad_blocks(fs
, bb_list
);
3320 fs
->stride
= fs_stride
= fs
->super
->s_raid_stride
;
3322 printf("%s", _("Allocating group tables: "));
3323 if (ext2fs_has_feature_flex_bg(fs
->super
) &&
3325 retval
= packed_allocate_tables(fs
);
3327 retval
= ext2fs_allocate_tables(fs
);
3329 com_err(program_name
, retval
, "%s",
3330 _("while trying to allocate filesystem tables"));
3334 printf("%s", _("done \n"));
3337 * Unmark bad blocks to calculate overhead, because metadata
3338 * blocks and bad blocks can land on the same allocation cluster.
3341 retval
= ext2fs_badblocks_list_iterate_begin(bb_list
,
3344 com_err("ext2fs_badblocks_list_iterate_begin", retval
,
3345 "%s", _("while unmarking bad blocks"));
3348 while (ext2fs_badblocks_list_iterate(bb_iter
, &blk
))
3349 ext2fs_unmark_block_bitmap2(fs
->block_map
, blk
);
3350 ext2fs_badblocks_list_iterate_end(bb_iter
);
3353 retval
= ext2fs_convert_subcluster_bitmap(fs
, &fs
->block_map
);
3355 com_err(program_name
, retval
, "%s",
3356 _("\n\twhile converting subcluster bitmap"));
3360 retval
= ext2fs_count_used_clusters(fs
, fs
->super
->s_first_data_block
,
3361 ext2fs_blocks_count(fs
->super
) - 1,
3364 com_err(program_name
, retval
, "%s",
3365 _("while calculating overhead"));
3370 retval
= ext2fs_badblocks_list_iterate_begin(bb_list
,
3373 com_err("ext2fs_badblocks_list_iterate_begin", retval
,
3374 "%s", _("while marking bad blocks as used"));
3377 while (ext2fs_badblocks_list_iterate(bb_iter
, &blk
))
3378 ext2fs_mark_block_bitmap2(fs
->block_map
, blk
);
3379 ext2fs_badblocks_list_iterate_end(bb_iter
);
3383 check_plausibility(device_name
, CHECK_FS_EXIST
, NULL
);
3384 printf(_("%s may be further corrupted by superblock rewrite\n"),
3387 proceed_question(proceed_delay
);
3388 fs
->super
->s_state
|= EXT2_ERROR_FS
;
3389 fs
->flags
&= ~(EXT2_FLAG_IB_DIRTY
|EXT2_FLAG_BB_DIRTY
);
3391 * The command "mke2fs -S" is used to recover
3392 * corrupted file systems, so do not mark any of the
3393 * inodes as unused; we want e2fsck to consider all
3394 * inodes as potentially containing recoverable data.
3396 if (ext2fs_has_group_desc_csum(fs
)) {
3397 for (i
= 0; i
< fs
->group_desc_count
; i
++)
3398 ext2fs_bg_itable_unused_set(fs
, i
, 0);
3401 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
3402 blk64_t rsv
= 65536 / fs
->blocksize
;
3403 blk64_t blocks
= ext2fs_blocks_count(fs
->super
);
3407 #ifdef ZAP_BOOTBLOCK
3408 zap_sector(fs
, 0, 2);
3412 * Wipe out any old MD RAID (or other) metadata at the end
3413 * of the device. This will also verify that the device is
3414 * as large as we think. Be careful with very small devices.
3416 start
= (blocks
& ~(rsv
- 1));
3420 retval
= ext2fs_zero_blocks2(fs
, start
, blocks
- start
,
3424 com_err(program_name
, retval
,
3425 _("while zeroing block %llu at end of filesystem"),
3426 (unsigned long long) ret_blk
);
3428 write_inode_tables(fs
, lazy_itable_init
, itable_zeroed
);
3429 create_root_dir(fs
);
3430 create_lost_and_found(fs
);
3432 create_bad_block_inode(fs
, bb_list
);
3433 if (ext2fs_has_feature_resize_inode(fs
->super
)) {
3434 retval
= ext2fs_create_resize_inode(fs
);
3436 com_err("ext2fs_create_resize_inode", retval
,
3438 _("while reserving blocks for online resize"));
3444 if (journal_device
) {
3447 if (!check_plausibility(journal_device
, CHECK_BLOCK_DEV
,
3449 proceed_question(proceed_delay
);
3450 check_mount(journal_device
, force
, _("journal"));
3452 retval
= ext2fs_open(journal_device
, EXT2_FLAG_RW
|
3453 EXT2_FLAG_JOURNAL_DEV_OK
, 0,
3454 fs
->blocksize
, default_io_manager
, &jfs
);
3456 com_err(program_name
, retval
,
3457 _("while trying to open journal device %s\n"),
3462 printf(_("Adding journal to device %s: "),
3466 retval
= ext2fs_add_journal_device(fs
, jfs
);
3468 com_err (program_name
, retval
,
3469 _("\n\twhile trying to add journal to device %s"),
3474 printf("%s", _("done\n"));
3475 ext2fs_close_free(&jfs
);
3476 free(journal_device
);
3477 } else if ((journal_size
) ||
3478 ext2fs_has_feature_journal(&fs_param
)) {
3479 overhead
+= EXT2FS_NUM_B2C(fs
, jparams
.num_journal_blocks
+ jparams
.num_fc_blocks
);
3481 printf("%s", _("Skipping journal creation in super-only mode\n"));
3482 fs
->super
->s_journal_inum
= EXT2_JOURNAL_INO
;
3486 if (!jparams
.num_journal_blocks
) {
3487 ext2fs_clear_feature_journal(fs
->super
);
3488 ext2fs_clear_feature_orphan_file(fs
->super
);
3489 ext2fs_clear_feature_journal(&fs_param
);
3490 ext2fs_clear_feature_orphan_file(&fs_param
);
3494 printf(_("Creating journal (%u blocks): "),
3495 jparams
.num_journal_blocks
+ jparams
.num_fc_blocks
);
3498 retval
= ext2fs_add_journal_inode3(fs
, &jparams
,
3502 com_err(program_name
, retval
, "%s",
3503 _("\n\twhile trying to create journal"));
3507 printf("%s", _("done\n"));
3511 ext2fs_has_feature_mmp(fs
->super
)) {
3512 retval
= ext2fs_mmp_init(fs
);
3514 fprintf(stderr
, "%s",
3515 _("\nError while enabling multiple "
3516 "mount protection feature."));
3520 printf(_("Multiple mount protection is enabled "
3521 "with update interval %d seconds.\n"),
3522 fs
->super
->s_mmp_update_interval
);
3525 overhead
+= fs
->super
->s_first_data_block
;
3527 fs
->super
->s_overhead_clusters
= overhead
;
3529 if (ext2fs_has_feature_bigalloc(&fs_param
))
3530 fix_cluster_bg_counts(fs
);
3531 if (ext2fs_has_feature_quota(&fs_param
))
3532 create_quota_inodes(fs
);
3533 if (ext2fs_has_feature_orphan_file(&fs_param
)) {
3534 if (!ext2fs_has_feature_journal(&fs_param
)) {
3535 com_err(program_name
, 0, _("cannot set orphan_file "
3536 "feature without a journal."));
3539 if (!orphan_file_blocks
) {
3540 orphan_file_blocks
=
3541 ext2fs_default_orphan_file_blocks(fs
);
3543 retval
= ext2fs_create_orphan_file(fs
, orphan_file_blocks
);
3545 com_err(program_name
, retval
,
3546 _("while creating orphan file"));
3551 retval
= mk_hugefiles(fs
, device_name
);
3553 com_err(program_name
, retval
, "while creating huge files");
3554 /* Copy files from the specified directory */
3557 printf("%s", _("Copying files into the device: "));
3559 retval
= populate_fs(fs
, EXT2_ROOT_INO
, src_root_dir
,
3562 com_err(program_name
, retval
, "%s",
3563 _("while populating file system"));
3566 printf("%s", _("done\n"));
3570 printf("%s", _("Writing superblocks and "
3571 "filesystem accounting information: "));
3572 checkinterval
= fs
->super
->s_checkinterval
;
3573 max_mnt_count
= fs
->super
->s_max_mnt_count
;
3574 retval
= ext2fs_close_free(&fs
);
3576 com_err(program_name
, retval
, "%s",
3577 _("while writing out and closing file system"));
3579 } else if (!quiet
) {
3580 printf("%s", _("done\n\n"));
3581 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3582 print_check_message(max_mnt_count
, checkinterval
);
3585 remove_error_table(&et_ext2_error_table
);
3586 remove_error_table(&et_prof_error_table
);
3587 profile_release(profile
);
3588 for (i
=0; fs_types
[i
]; i
++)