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 #include <linux/version.h>
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"
57 #include "../version.h"
58 #include "quota/quotaio.h"
60 #include "create_inode.h"
62 #define STRIDE_LENGTH 8
64 #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
70 #define DISCARD_STEP_MB (2048)
72 extern int isatty(int);
73 extern FILE *fpopen(const char *cmd
, const char *mode
);
75 const char * program_name
= "mke2fs";
76 static const char * device_name
/* = NULL */;
78 /* Command line options */
82 static int super_only
;
83 static int discard
= 1; /* attempt to discard device before fs creation */
87 static int num_backups
= 2; /* number of backup bg's for sparse_super2 */
88 static uid_t root_uid
;
89 static gid_t root_gid
;
92 static int lazy_itable_init
;
93 static int packed_meta_blocks
;
94 static char *bad_blocks_filename
= NULL
;
95 static __u32 fs_stride
;
96 static int quotatype
= -1; /* Initialize both user and group quotas by default */
98 static blk64_t journal_location
= ~0LL;
99 static int proceed_delay
= -1;
100 static blk64_t dev_size
;
102 static struct ext2_super_block fs_param
;
103 static char *fs_uuid
= NULL
;
104 static char *creator_os
;
105 static char *volume_label
;
106 static char *mount_dir
;
107 char *journal_device
;
108 static int sync_kludge
; /* Set using the MKE2FS_SYNC env. option */
110 const char *root_dir
; /* Copy files from the specified directory */
112 static profile_t profile
;
114 static int sys_page_size
= 4096;
116 static void usage(void)
118 fprintf(stderr
, _("Usage: %s [-c|-l filename] [-b block-size] "
119 "[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
120 "[-J journal-options]\n"
121 "\t[-G flex-group-size] [-N number-of-inodes] "
122 "[-d root-directory]\n"
123 "\t[-m reserved-blocks-percentage] [-o creator-os]\n"
124 "\t[-g blocks-per-group] [-L volume-label] "
125 "[-M last-mounted-directory]\n\t[-O feature[,...]] "
126 "[-r fs-revision] [-E extended-option[,...]]\n"
127 "\t[-t fs-type] [-T usage-type ] [-U UUID] "
128 "[-jnqvDFKSV] device [blocks-count]\n"),
133 static int int_log2(unsigned long long arg
)
145 int int_log10(unsigned long long arg
)
155 static int parse_version_number(const char *s
)
157 int major
, minor
, rev
;
163 major
= strtol(cp
, &endptr
, 10);
164 if (cp
== endptr
|| *endptr
!= '.')
167 minor
= strtol(cp
, &endptr
, 10);
168 if (cp
== endptr
|| *endptr
!= '.')
171 rev
= strtol(cp
, &endptr
, 10);
174 return KERNEL_VERSION(major
, minor
, rev
);
177 static int is_before_linux_ver(unsigned int major
, unsigned int minor
,
181 static int linux_version_code
= -1;
187 if (linux_version_code
< 0)
188 linux_version_code
= parse_version_number(ut
.release
);
189 if (linux_version_code
== 0)
192 return linux_version_code
< KERNEL_VERSION(major
, minor
, rev
);
195 static int is_before_linux_ver(unsigned int major
, unsigned int minor
,
203 * Helper function for read_bb_file and test_disk
205 static void invalid_block(ext2_filsys fs
EXT2FS_ATTR((unused
)), blk_t blk
)
207 fprintf(stderr
, _("Bad block %u out of range; ignored.\n"), blk
);
212 * Reads the bad blocks list from a file
214 static void read_bb_file(ext2_filsys fs
, badblocks_list
*bb_list
,
215 const char *bad_blocks_file
)
220 f
= fopen(bad_blocks_file
, "r");
222 com_err("read_bad_blocks_file", errno
,
223 _("while trying to open %s"), bad_blocks_file
);
226 retval
= ext2fs_read_bb_FILE(fs
, f
, bb_list
, invalid_block
);
229 com_err("ext2fs_read_bb_FILE", retval
, "%s",
230 _("while reading in list of bad blocks from file"));
236 * Runs the badblocks program to test the disk
238 static void test_disk(ext2_filsys fs
, badblocks_list
*bb_list
)
244 sprintf(buf
, "badblocks -b %d -X %s%s%s %llu", fs
->blocksize
,
245 quiet
? "" : "-s ", (cflag
> 1) ? "-w " : "",
246 fs
->device_name
, ext2fs_blocks_count(fs
->super
)-1);
248 printf(_("Running command: %s\n"), buf
);
251 com_err("popen", errno
,
252 _("while trying to run '%s'"), buf
);
255 retval
= ext2fs_read_bb_FILE(fs
, f
, bb_list
, invalid_block
);
258 com_err("ext2fs_read_bb_FILE", retval
, "%s",
259 _("while processing list of bad blocks from program"));
264 static void handle_bad_blocks(ext2_filsys fs
, badblocks_list bb_list
)
268 unsigned must_be_good
;
270 badblocks_iterate bb_iter
;
280 * The primary superblock and group descriptors *must* be
281 * good; if not, abort.
283 must_be_good
= fs
->super
->s_first_data_block
+ 1 + fs
->desc_blocks
;
284 for (i
= fs
->super
->s_first_data_block
; i
<= must_be_good
; i
++) {
285 if (ext2fs_badblocks_list_test(bb_list
, i
)) {
286 fprintf(stderr
, _("Block %d in primary "
287 "superblock/group descriptor area bad.\n"), i
);
288 fprintf(stderr
, _("Blocks %u through %u must be good "
289 "in order to build a filesystem.\n"),
290 fs
->super
->s_first_data_block
, must_be_good
);
291 fputs(_("Aborting....\n"), stderr
);
297 * See if any of the bad blocks are showing up in the backup
298 * superblocks and/or group descriptors. If so, issue a
299 * warning and adjust the block counts appropriately.
301 group_block
= fs
->super
->s_first_data_block
+
302 fs
->super
->s_blocks_per_group
;
304 for (i
= 1; i
< fs
->group_desc_count
; i
++) {
306 for (j
=0; j
< fs
->desc_blocks
+1; j
++) {
307 if (ext2fs_badblocks_list_test(bb_list
,
311 _("Warning: the backup superblock/group descriptors at block %u contain\n"
315 group
= ext2fs_group_of_blk2(fs
, group_block
+j
);
316 ext2fs_bg_free_blocks_count_set(fs
, group
, ext2fs_bg_free_blocks_count(fs
, group
) + 1);
317 ext2fs_group_desc_csum_set(fs
, group
);
318 ext2fs_free_blocks_count_add(fs
->super
, 1);
321 group_block
+= fs
->super
->s_blocks_per_group
;
325 * Mark all the bad blocks as used...
327 retval
= ext2fs_badblocks_list_iterate_begin(bb_list
, &bb_iter
);
329 com_err("ext2fs_badblocks_list_iterate_begin", retval
, "%s",
330 _("while marking bad blocks as used"));
333 while (ext2fs_badblocks_list_iterate(bb_iter
, &blk
))
334 ext2fs_mark_block_bitmap2(fs
->block_map
, EXT2FS_B2C(fs
, blk
));
335 ext2fs_badblocks_list_iterate_end(bb_iter
);
338 static void write_reserved_inodes(ext2_filsys fs
)
342 struct ext2_inode
*inode
;
344 retval
= ext2fs_get_memzero(EXT2_INODE_SIZE(fs
->super
), &inode
);
346 com_err("inode_init", retval
, _("while allocating memory"));
350 for (ino
= 1; ino
< EXT2_FIRST_INO(fs
->super
); ino
++)
351 ext2fs_write_inode_full(fs
, ino
, inode
,
352 EXT2_INODE_SIZE(fs
->super
));
354 ext2fs_free_mem(&inode
);
357 static errcode_t
packed_allocate_tables(ext2_filsys fs
)
363 for (i
= 0; i
< fs
->group_desc_count
; i
++) {
364 retval
= ext2fs_new_block2(fs
, goal
, NULL
, &goal
);
367 ext2fs_block_alloc_stats2(fs
, goal
, +1);
368 ext2fs_block_bitmap_loc_set(fs
, i
, goal
);
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_inode_bitmap_loc_set(fs
, i
, goal
);
377 for (i
= 0; i
< fs
->group_desc_count
; i
++) {
378 blk64_t end
= ext2fs_blocks_count(fs
->super
) - 1;
379 retval
= ext2fs_get_free_blocks2(fs
, goal
, end
,
380 fs
->inode_blocks_per_group
,
381 fs
->block_map
, &goal
);
384 ext2fs_block_alloc_stats_range(fs
, goal
,
385 fs
->inode_blocks_per_group
, +1);
386 ext2fs_inode_table_loc_set(fs
, i
, goal
);
387 ext2fs_group_desc_csum_set(fs
, i
);
392 static void write_inode_tables(ext2_filsys fs
, int lazy_flag
, int itable_zeroed
)
398 struct ext2fs_numeric_progress_struct progress
;
400 ext2fs_numeric_progress_init(fs
, &progress
,
401 _("Writing inode tables: "),
402 fs
->group_desc_count
);
404 for (i
= 0; i
< fs
->group_desc_count
; i
++) {
405 ext2fs_numeric_progress_update(fs
, &progress
, i
);
407 blk
= ext2fs_inode_table_loc(fs
, i
);
408 num
= fs
->inode_blocks_per_group
;
411 num
= ext2fs_div_ceil((fs
->super
->s_inodes_per_group
-
412 ext2fs_bg_itable_unused(fs
, i
)) *
413 EXT2_INODE_SIZE(fs
->super
),
414 EXT2_BLOCK_SIZE(fs
->super
));
415 if (!lazy_flag
|| itable_zeroed
) {
416 /* The kernel doesn't need to zero the itable blocks */
417 ext2fs_bg_flags_set(fs
, i
, EXT2_BG_INODE_ZEROED
);
418 ext2fs_group_desc_csum_set(fs
, i
);
420 retval
= ext2fs_zero_blocks2(fs
, blk
, num
, &blk
, &num
);
422 fprintf(stderr
, _("\nCould not write %d "
423 "blocks in inode table starting at %llu: %s\n"),
424 num
, blk
, error_message(retval
));
428 if (sync_kludge
== 1)
430 else if ((i
% sync_kludge
) == 0)
434 ext2fs_zero_blocks2(0, 0, 0, 0, 0);
435 ext2fs_numeric_progress_close(fs
, &progress
,
438 /* Reserved inodes must always have correct checksums */
439 if (fs
->super
->s_creator_os
== EXT2_OS_LINUX
&&
440 fs
->super
->s_feature_ro_compat
&
441 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
)
442 write_reserved_inodes(fs
);
445 static void create_root_dir(ext2_filsys fs
)
448 struct ext2_inode inode
;
450 retval
= ext2fs_mkdir(fs
, EXT2_ROOT_INO
, EXT2_ROOT_INO
, 0);
452 com_err("ext2fs_mkdir", retval
, "%s",
453 _("while creating root dir"));
456 if (root_uid
!= 0 || root_gid
!= 0) {
457 retval
= ext2fs_read_inode(fs
, EXT2_ROOT_INO
, &inode
);
459 com_err("ext2fs_read_inode", retval
, "%s",
460 _("while reading root inode"));
464 inode
.i_uid
= root_uid
;
465 ext2fs_set_i_uid_high(inode
, root_uid
>> 16);
466 inode
.i_gid
= root_gid
;
467 ext2fs_set_i_gid_high(inode
, root_gid
>> 16);
469 retval
= ext2fs_write_new_inode(fs
, EXT2_ROOT_INO
, &inode
);
471 com_err("ext2fs_write_inode", retval
, "%s",
472 _("while setting root inode ownership"));
478 static void create_lost_and_found(ext2_filsys fs
)
480 unsigned int lpf_size
= 0;
483 const char *name
= "lost+found";
487 retval
= ext2fs_mkdir(fs
, EXT2_ROOT_INO
, 0, name
);
489 com_err("ext2fs_mkdir", retval
, "%s",
490 _("while creating /lost+found"));
494 retval
= ext2fs_lookup(fs
, EXT2_ROOT_INO
, name
, strlen(name
), 0, &ino
);
496 com_err("ext2_lookup", retval
, "%s",
497 _("while looking up /lost+found"));
501 for (i
=1; i
< EXT2_NDIR_BLOCKS
; i
++) {
502 /* Ensure that lost+found is at least 2 blocks, so we always
503 * test large empty blocks for big-block filesystems. */
504 if ((lpf_size
+= fs
->blocksize
) >= 16*1024 &&
505 lpf_size
>= 2 * fs
->blocksize
)
507 retval
= ext2fs_expand_dir(fs
, ino
);
509 com_err("ext2fs_expand_dir", retval
, "%s",
510 _("while expanding /lost+found"));
516 static void create_bad_block_inode(ext2_filsys fs
, badblocks_list bb_list
)
520 ext2fs_mark_inode_bitmap2(fs
->inode_map
, EXT2_BAD_INO
);
521 ext2fs_inode_alloc_stats2(fs
, EXT2_BAD_INO
, +1, 0);
522 retval
= ext2fs_update_bb_inode(fs
, bb_list
);
524 com_err("ext2fs_update_bb_inode", retval
, "%s",
525 _("while setting bad block inode"));
531 static void reserve_inodes(ext2_filsys fs
)
535 for (i
= EXT2_ROOT_INO
+ 1; i
< EXT2_FIRST_INODE(fs
->super
); i
++)
536 ext2fs_inode_alloc_stats2(fs
, i
, +1, 0);
537 ext2fs_mark_ib_dirty(fs
);
540 #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
541 #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */
542 #define BSD_LABEL_OFFSET 64
544 static void zap_sector(ext2_filsys fs
, int sect
, int nsect
)
550 buf
= malloc(512*nsect
);
552 printf(_("Out of memory erasing sectors %d-%d\n"),
553 sect
, sect
+ nsect
- 1);
558 /* Check for a BSD disklabel, and don't erase it if so */
559 retval
= io_channel_read_blk64(fs
->io
, 0, -512, buf
);
562 _("Warning: could not read block 0: %s\n"),
563 error_message(retval
));
565 magic
= (unsigned int *) (buf
+ BSD_LABEL_OFFSET
);
566 if ((*magic
== BSD_DISKMAGIC
) ||
567 (*magic
== BSD_MAGICDISK
))
572 memset(buf
, 0, 512*nsect
);
573 io_channel_set_blksize(fs
->io
, 512);
574 retval
= io_channel_write_blk64(fs
->io
, sect
, -512*nsect
, buf
);
575 io_channel_set_blksize(fs
->io
, fs
->blocksize
);
578 fprintf(stderr
, _("Warning: could not erase sector %d: %s\n"),
579 sect
, error_message(retval
));
582 static void create_journal_dev(ext2_filsys fs
)
584 struct ext2fs_numeric_progress_struct progress
;
587 blk64_t blk
, err_blk
;
588 int c
, count
, err_count
;
590 retval
= ext2fs_create_journal_superblock(fs
,
591 ext2fs_blocks_count(fs
->super
), 0, &buf
);
593 com_err("create_journal_dev", retval
, "%s",
594 _("while initializing journal superblock"));
598 if (journal_flags
& EXT2_MKJOURNAL_LAZYINIT
)
599 goto write_superblock
;
601 ext2fs_numeric_progress_init(fs
, &progress
,
602 _("Zeroing journal device: "),
603 ext2fs_blocks_count(fs
->super
));
605 count
= ext2fs_blocks_count(fs
->super
);
611 retval
= ext2fs_zero_blocks2(fs
, blk
, c
, &err_blk
, &err_count
);
613 com_err("create_journal_dev", retval
,
614 _("while zeroing journal device "
615 "(block %llu, count %d)"),
621 ext2fs_numeric_progress_update(fs
, &progress
, blk
);
623 ext2fs_zero_blocks2(0, 0, 0, 0, 0);
625 ext2fs_numeric_progress_close(fs
, &progress
, NULL
);
627 retval
= io_channel_write_blk64(fs
->io
,
628 fs
->super
->s_first_data_block
+1,
631 com_err("create_journal_dev", retval
, "%s",
632 _("while writing journal superblock"));
637 static void show_stats(ext2_filsys fs
)
639 struct ext2_super_block
*s
= fs
->super
;
647 printf(_("Creating filesystem with %llu %dk blocks and "
649 ext2fs_blocks_count(s
), fs
->blocksize
>> 10,
654 if (ext2fs_blocks_count(&fs_param
) != ext2fs_blocks_count(s
))
655 fprintf(stderr
, _("warning: %llu blocks unused.\n\n"),
656 ext2fs_blocks_count(&fs_param
) - ext2fs_blocks_count(s
));
658 memset(buf
, 0, sizeof(buf
));
659 strncpy(buf
, s
->s_volume_name
, sizeof(s
->s_volume_name
));
660 printf(_("Filesystem label=%s\n"), buf
);
661 os
= e2p_os2string(fs
->super
->s_creator_os
);
663 printf(_("OS type: %s\n"), os
);
665 printf(_("Block size=%u (log=%u)\n"), fs
->blocksize
,
666 s
->s_log_block_size
);
667 if (EXT2_HAS_RO_COMPAT_FEATURE(fs
->super
,
668 EXT4_FEATURE_RO_COMPAT_BIGALLOC
))
669 printf(_("Cluster size=%u (log=%u)\n"),
670 fs
->blocksize
<< fs
->cluster_ratio_bits
,
671 s
->s_log_cluster_size
);
673 printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s
),
674 s
->s_log_cluster_size
);
675 printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
676 s
->s_raid_stride
, s
->s_raid_stripe_width
);
677 printf(_("%u inodes, %llu blocks\n"), s
->s_inodes_count
,
678 ext2fs_blocks_count(s
));
679 printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
680 ext2fs_r_blocks_count(s
),
681 100.0 * ext2fs_r_blocks_count(s
) / ext2fs_blocks_count(s
));
682 printf(_("First data block=%u\n"), s
->s_first_data_block
);
683 if (root_uid
!= 0 || root_gid
!= 0)
684 printf(_("Root directory owner=%u:%u\n"), root_uid
, root_gid
);
685 if (s
->s_reserved_gdt_blocks
)
686 printf(_("Maximum filesystem blocks=%lu\n"),
687 (s
->s_reserved_gdt_blocks
+ fs
->desc_blocks
) *
688 EXT2_DESC_PER_BLOCK(s
) * s
->s_blocks_per_group
);
689 if (fs
->group_desc_count
> 1)
690 printf(_("%u block groups\n"), fs
->group_desc_count
);
692 printf(_("%u block group\n"), fs
->group_desc_count
);
693 if (EXT2_HAS_RO_COMPAT_FEATURE(fs
->super
,
694 EXT4_FEATURE_RO_COMPAT_BIGALLOC
))
695 printf(_("%u blocks per group, %u clusters per group\n"),
696 s
->s_blocks_per_group
, s
->s_clusters_per_group
);
698 printf(_("%u blocks per group, %u fragments per group\n"),
699 s
->s_blocks_per_group
, s
->s_clusters_per_group
);
700 printf(_("%u inodes per group\n"), s
->s_inodes_per_group
);
703 if (fs
->group_desc_count
== 1) {
708 if (!e2p_is_null_uuid(s
->s_uuid
))
709 printf(_("Filesystem UUID: %s\n"), e2p_uuid2str(s
->s_uuid
));
710 printf("%s", _("Superblock backups stored on blocks: "));
711 group_block
= s
->s_first_data_block
;
713 for (i
= 1; i
< fs
->group_desc_count
; i
++) {
714 group_block
+= s
->s_blocks_per_group
;
715 if (!ext2fs_bg_has_super(fs
, i
))
719 need
= int_log10(group_block
) + 2;
720 if (need
> col_left
) {
725 printf("%llu", group_block
);
731 * Returns true if making a file system for the Hurd, else 0
733 static int for_hurd(const char *os
)
743 return (atoi(os
) == EXT2_OS_HURD
);
744 return (strcasecmp(os
, "GNU") == 0 || strcasecmp(os
, "hurd") == 0);
748 * Set the S_CREATOR_OS field. Return true if OS is known,
751 static int set_os(struct ext2_super_block
*sb
, char *os
)
754 sb
->s_creator_os
= atoi (os
);
755 else if (strcasecmp(os
, "linux") == 0)
756 sb
->s_creator_os
= EXT2_OS_LINUX
;
757 else if (strcasecmp(os
, "GNU") == 0 || strcasecmp(os
, "hurd") == 0)
758 sb
->s_creator_os
= EXT2_OS_HURD
;
759 else if (strcasecmp(os
, "freebsd") == 0)
760 sb
->s_creator_os
= EXT2_OS_FREEBSD
;
761 else if (strcasecmp(os
, "lites") == 0)
762 sb
->s_creator_os
= EXT2_OS_LITES
;
768 #define PATH_SET "PATH=/sbin"
770 static void parse_extended_opts(struct ext2_super_block
*param
,
773 char *buf
, *token
, *next
, *p
, *arg
, *badopt
= 0;
780 fprintf(stderr
, "%s",
781 _("Couldn't allocate memory to parse options!\n"));
785 for (token
= buf
; token
&& *token
; token
= next
) {
786 p
= strchr(token
, ',');
792 arg
= strchr(token
, '=');
797 if (strcmp(token
, "desc-size") == 0 ||
798 strcmp(token
, "desc_size") == 0) {
801 if (!(fs_param
.s_feature_incompat
&
802 EXT4_FEATURE_INCOMPAT_64BIT
)) {
804 _("%s requires '-O 64bit'\n"), token
);
808 if (param
->s_reserved_gdt_blocks
!= 0) {
810 _("'%s' must be before 'resize=%u'\n"),
811 token
, param
->s_reserved_gdt_blocks
);
820 desc_size
= strtoul(arg
, &p
, 0);
821 if (*p
|| (desc_size
& (desc_size
- 1))) {
823 _("Invalid desc_size: '%s'\n"), arg
);
827 param
->s_desc_size
= desc_size
;
828 } else if (strcmp(token
, "offset") == 0) {
834 offset
= strtoull(arg
, &p
, 0);
836 fprintf(stderr
, _("Invalid offset: %s\n"),
841 } else if (strcmp(token
, "mmp_update_interval") == 0) {
847 param
->s_mmp_update_interval
= strtoul(arg
, &p
, 0);
850 _("Invalid mmp_update_interval: %s\n"),
855 } else if (strcmp(token
, "num_backup_sb") == 0) {
861 num_backups
= strtoul(arg
, &p
, 0);
862 if (*p
|| num_backups
> 2) {
864 _("Invalid # of backup "
865 "superblocks: %s\n"),
870 } else if (strcmp(token
, "packed_meta_blocks") == 0) {
872 packed_meta_blocks
= strtoul(arg
, &p
, 0);
874 packed_meta_blocks
= 1;
875 if (packed_meta_blocks
)
876 journal_location
= 0;
877 } else if (strcmp(token
, "stride") == 0) {
883 param
->s_raid_stride
= strtoul(arg
, &p
, 0);
886 _("Invalid stride parameter: %s\n"),
891 } else if (strcmp(token
, "stripe-width") == 0 ||
892 strcmp(token
, "stripe_width") == 0) {
898 param
->s_raid_stripe_width
= strtoul(arg
, &p
, 0);
901 _("Invalid stripe-width parameter: %s\n"),
906 } else if (!strcmp(token
, "resize")) {
908 unsigned long bpg
, rsv_groups
;
909 unsigned long group_desc_count
, desc_blocks
;
910 unsigned int gdpb
, blocksize
;
919 resize
= parse_num_blocks2(arg
,
920 param
->s_log_block_size
);
924 _("Invalid resize parameter: %s\n"),
929 if (resize
<= ext2fs_blocks_count(param
)) {
930 fprintf(stderr
, "%s",
931 _("The resize maximum must be greater "
932 "than the filesystem size.\n"));
937 blocksize
= EXT2_BLOCK_SIZE(param
);
938 bpg
= param
->s_blocks_per_group
;
941 gdpb
= EXT2_DESC_PER_BLOCK(param
);
942 group_desc_count
= (__u32
) ext2fs_div64_ceil(
943 ext2fs_blocks_count(param
), bpg
);
944 desc_blocks
= (group_desc_count
+
946 rsv_groups
= ext2fs_div64_ceil(resize
, bpg
);
947 rsv_gdb
= ext2fs_div_ceil(rsv_groups
, gdpb
) -
949 if (rsv_gdb
> (int) EXT2_ADDR_PER_BLOCK(param
))
950 rsv_gdb
= EXT2_ADDR_PER_BLOCK(param
);
953 if (param
->s_rev_level
== EXT2_GOOD_OLD_REV
) {
954 fprintf(stderr
, "%s",
955 _("On-line resizing not supported with revision 0 filesystems\n"));
959 param
->s_feature_compat
|=
960 EXT2_FEATURE_COMPAT_RESIZE_INODE
;
962 param
->s_reserved_gdt_blocks
= rsv_gdb
;
964 } else if (!strcmp(token
, "test_fs")) {
965 param
->s_flags
|= EXT2_FLAGS_TEST_FILESYS
;
966 } else if (!strcmp(token
, "lazy_itable_init")) {
968 lazy_itable_init
= strtoul(arg
, &p
, 0);
970 lazy_itable_init
= 1;
971 } else if (!strcmp(token
, "lazy_journal_init")) {
973 journal_flags
|= strtoul(arg
, &p
, 0) ?
974 EXT2_MKJOURNAL_LAZYINIT
: 0;
976 journal_flags
|= EXT2_MKJOURNAL_LAZYINIT
;
977 } else if (!strcmp(token
, "root_owner")) {
979 root_uid
= strtoul(arg
, &p
, 0);
982 _("Invalid root_owner: '%s'\n"),
988 root_gid
= strtoul(p
, &p
, 0);
991 _("Invalid root_owner: '%s'\n"),
1000 } else if (!strcmp(token
, "discard")) {
1002 } else if (!strcmp(token
, "nodiscard")) {
1004 } else if (!strcmp(token
, "quotatype")) {
1010 if (!strncmp(arg
, "usr", 3)) {
1012 } else if (!strncmp(arg
, "grp", 3)) {
1016 _("Invalid quotatype parameter: %s\n"),
1027 fprintf(stderr
, _("\nBad option(s) specified: %s\n\n"
1028 "Extended options are separated by commas, "
1029 "and may take an argument which\n"
1030 "\tis set off by an equals ('=') sign.\n\n"
1031 "Valid extended options are:\n"
1032 "\tmmp_update_interval=<interval>\n"
1033 "\tnum_backup_sb=<0|1|2>\n"
1034 "\tstride=<RAID per-disk data chunk in blocks>\n"
1035 "\tstripe-width=<RAID stride * data disks in blocks>\n"
1036 "\toffset=<offset to create the file system>\n"
1037 "\tresize=<resize maximum size in blocks>\n"
1038 "\tpacked_meta_blocks=<0 to disable, 1 to enable>\n"
1039 "\tlazy_itable_init=<0 to disable, 1 to enable>\n"
1040 "\tlazy_journal_init=<0 to disable, 1 to enable>\n"
1041 "\troot_uid=<uid of root directory>\n"
1042 "\troot_gid=<gid of root directory>\n"
1046 "\tquotatype=<usr OR grp>\n\n"),
1047 badopt
? badopt
: "");
1051 if (param
->s_raid_stride
&&
1052 (param
->s_raid_stripe_width
% param
->s_raid_stride
) != 0)
1053 fprintf(stderr
, _("\nWarning: RAID stripe-width %u not an even "
1054 "multiple of stride %u.\n\n"),
1055 param
->s_raid_stripe_width
, param
->s_raid_stride
);
1060 static __u32 ok_features
[3] = {
1062 EXT3_FEATURE_COMPAT_HAS_JOURNAL
|
1063 EXT2_FEATURE_COMPAT_RESIZE_INODE
|
1064 EXT2_FEATURE_COMPAT_DIR_INDEX
|
1065 EXT2_FEATURE_COMPAT_EXT_ATTR
|
1066 EXT4_FEATURE_COMPAT_SPARSE_SUPER2
,
1068 EXT2_FEATURE_INCOMPAT_FILETYPE
|
1069 EXT3_FEATURE_INCOMPAT_EXTENTS
|
1070 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
|
1071 EXT2_FEATURE_INCOMPAT_META_BG
|
1072 EXT4_FEATURE_INCOMPAT_FLEX_BG
|
1073 EXT4_FEATURE_INCOMPAT_MMP
|
1074 EXT4_FEATURE_INCOMPAT_64BIT
|
1075 EXT4_FEATURE_INCOMPAT_INLINE_DATA
,
1077 EXT2_FEATURE_RO_COMPAT_LARGE_FILE
|
1078 EXT4_FEATURE_RO_COMPAT_HUGE_FILE
|
1079 EXT4_FEATURE_RO_COMPAT_DIR_NLINK
|
1080 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE
|
1081 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER
|
1082 EXT4_FEATURE_RO_COMPAT_GDT_CSUM
|
1083 EXT4_FEATURE_RO_COMPAT_BIGALLOC
|
1085 EXT4_FEATURE_RO_COMPAT_QUOTA
|
1087 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
1091 static void syntax_err_report(const char *filename
, long err
, int line_num
)
1094 _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
1095 filename
, line_num
, error_message(err
));
1099 static const char *config_fn
[] = { ROOT_SYSCONFDIR
"/mke2fs.conf", 0 };
1101 static void edit_feature(const char *str
, __u32
*compat_array
)
1106 if (e2p_edit_feature(str
, compat_array
, ok_features
)) {
1107 fprintf(stderr
, _("Invalid filesystem option set: %s\n"),
1113 static void edit_mntopts(const char *str
, __u32
*mntopts
)
1118 if (e2p_edit_mntopts(str
, mntopts
, ~0)) {
1119 fprintf(stderr
, _("Invalid mount option set: %s\n"),
1131 static errcode_t
init_list(struct str_list
*sl
)
1135 sl
->list
= malloc((sl
->max
+1) * sizeof(char *));
1142 static errcode_t
push_string(struct str_list
*sl
, const char *str
)
1146 if (sl
->num
>= sl
->max
) {
1148 new_list
= realloc(sl
->list
, (sl
->max
+1) * sizeof(char *));
1151 sl
->list
= new_list
;
1153 sl
->list
[sl
->num
] = malloc(strlen(str
)+1);
1154 if (sl
->list
[sl
->num
] == 0)
1156 strcpy(sl
->list
[sl
->num
], str
);
1158 sl
->list
[sl
->num
] = 0;
1162 static void print_str_list(char **list
)
1166 for (cpp
= list
; *cpp
; cpp
++) {
1167 printf("'%s'", *cpp
);
1169 fputs(", ", stdout
);
1171 fputc('\n', stdout
);
1175 * Return TRUE if the profile has the given subsection
1177 static int profile_has_subsection(profile_t prof
, const char *section
,
1178 const char *subsection
)
1181 const char *names
[4];
1186 names
[1] = subsection
;
1189 if (profile_iterator_create(prof
, names
,
1190 PROFILE_ITER_LIST_SECTION
|
1191 PROFILE_ITER_RELATIONS_ONLY
, &state
))
1194 if ((profile_iterator(&state
, &name
, 0) == 0) && name
) {
1199 profile_iterator_free(&state
);
1203 static char **parse_fs_type(const char *fs_type
,
1204 const char *usage_types
,
1205 struct ext2_super_block
*sb
,
1206 blk64_t fs_blocks_count
,
1209 const char *ext_type
= 0;
1211 char *profile_type
= 0;
1213 const char *size_type
;
1214 struct str_list list
;
1215 unsigned long long meg
;
1216 int is_hurd
= for_hurd(creator_os
);
1218 if (init_list(&list
))
1225 else if (!strcmp(program_name
, "mke3fs"))
1227 else if (!strcmp(program_name
, "mke4fs"))
1229 else if (progname
) {
1230 ext_type
= strrchr(progname
, '/');
1234 ext_type
= progname
;
1236 if (!strncmp(ext_type
, "mkfs.", 5)) {
1238 if (ext_type
[0] == 0)
1245 profile_get_string(profile
, "defaults", "fs_type", 0,
1246 "ext2", &profile_type
);
1247 ext_type
= profile_type
;
1248 if (!strcmp(ext_type
, "ext2") && (journal_size
!= 0))
1253 if (!profile_has_subsection(profile
, "fs_types", ext_type
) &&
1254 strcmp(ext_type
, "ext2")) {
1255 printf(_("\nYour mke2fs.conf file does not define the "
1256 "%s filesystem type.\n"), ext_type
);
1257 if (!strcmp(ext_type
, "ext3") || !strcmp(ext_type
, "ext4") ||
1258 !strcmp(ext_type
, "ext4dev")) {
1259 printf("%s", _("You probably need to install an "
1260 "updated mke2fs.conf file.\n\n"));
1263 printf("%s", _("Aborting...\n"));
1268 meg
= (1024 * 1024) / EXT2_BLOCK_SIZE(sb
);
1269 if (fs_blocks_count
< 3 * meg
)
1270 size_type
= "floppy";
1271 else if (fs_blocks_count
< 512 * meg
)
1272 size_type
= "small";
1273 else if (fs_blocks_count
< 4 * 1024 * 1024 * meg
)
1274 size_type
= "default";
1275 else if (fs_blocks_count
< 16 * 1024 * 1024 * meg
)
1281 usage_types
= size_type
;
1283 parse_str
= malloc(strlen(usage_types
)+1);
1289 strcpy(parse_str
, usage_types
);
1292 push_string(&list
, ext_type
);
1295 t
= strchr(cp
, ',');
1300 if (profile_has_subsection(profile
, "fs_types", cp
))
1301 push_string(&list
, cp
);
1302 else if (strcmp(cp
, "default") != 0)
1304 _("\nWarning: the fs_type %s is not "
1305 "defined in mke2fs.conf\n\n"),
1316 push_string(&list
, "hurd");
1320 char *get_string_from_profile(char **types
, const char *opt
,
1321 const char *def_val
)
1326 for (i
=0; types
[i
]; i
++);
1327 for (i
-=1; i
>=0 ; i
--) {
1328 profile_get_string(profile
, "fs_types", types
[i
],
1333 profile_get_string(profile
, "defaults", opt
, 0, def_val
, &ret
);
1337 int get_int_from_profile(char **types
, const char *opt
, int def_val
)
1342 profile_get_integer(profile
, "defaults", opt
, 0, def_val
, &ret
);
1343 for (cpp
= types
; *cpp
; cpp
++)
1344 profile_get_integer(profile
, "fs_types", *cpp
, opt
, ret
, &ret
);
1348 static unsigned int get_uint_from_profile(char **types
, const char *opt
,
1349 unsigned int def_val
)
1354 profile_get_uint(profile
, "defaults", opt
, 0, def_val
, &ret
);
1355 for (cpp
= types
; *cpp
; cpp
++)
1356 profile_get_uint(profile
, "fs_types", *cpp
, opt
, ret
, &ret
);
1360 static double get_double_from_profile(char **types
, const char *opt
,
1366 profile_get_double(profile
, "defaults", opt
, 0, def_val
, &ret
);
1367 for (cpp
= types
; *cpp
; cpp
++)
1368 profile_get_double(profile
, "fs_types", *cpp
, opt
, ret
, &ret
);
1372 int get_bool_from_profile(char **types
, const char *opt
, int def_val
)
1377 profile_get_boolean(profile
, "defaults", opt
, 0, def_val
, &ret
);
1378 for (cpp
= types
; *cpp
; cpp
++)
1379 profile_get_boolean(profile
, "fs_types", *cpp
, opt
, ret
, &ret
);
1383 extern const char *mke2fs_default_profile
;
1384 static const char *default_files
[] = { "<default>", 0 };
1386 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
1388 * Sets the geometry of a device (stripe/stride), and returns the
1389 * device's alignment offset, if any, or a negative error.
1391 static int get_device_geometry(const char *file
,
1392 struct ext2_super_block
*fs_param
,
1399 unsigned long min_io
;
1400 unsigned long opt_io
;
1401 struct stat statbuf
;
1403 /* Nothing to do for a regular file */
1404 if (!stat(file
, &statbuf
) && S_ISREG(statbuf
.st_mode
))
1407 pr
= blkid_new_probe_from_filename(file
);
1411 tp
= blkid_probe_get_topology(pr
);
1415 min_io
= blkid_topology_get_minimum_io_size(tp
);
1416 opt_io
= blkid_topology_get_optimal_io_size(tp
);
1417 blocksize
= EXT2_BLOCK_SIZE(fs_param
);
1418 if ((min_io
== 0) && (psector_size
> blocksize
))
1419 min_io
= psector_size
;
1420 if ((opt_io
== 0) && min_io
)
1422 if ((opt_io
== 0) && (psector_size
> blocksize
))
1423 opt_io
= psector_size
;
1425 /* setting stripe/stride to blocksize is pointless */
1426 if (min_io
> blocksize
)
1427 fs_param
->s_raid_stride
= min_io
/ blocksize
;
1428 if (opt_io
> blocksize
)
1429 fs_param
->s_raid_stripe_width
= opt_io
/ blocksize
;
1431 rc
= blkid_topology_get_alignment_offset(tp
);
1433 blkid_free_probe(pr
);
1438 static void PRS(int argc
, char *argv
[])
1441 int cluster_size
= 0;
1444 int inode_ratio
= 0;
1446 unsigned long flex_bg_size
= 0;
1447 double reserved_ratio
= -1.0;
1448 int lsector_size
= 0, psector_size
= 0;
1449 int show_version_only
= 0, is_device
= 0;
1450 unsigned long long num_inodes
= 0; /* unsigned long long to catch too-large input */
1452 char * oldpath
= getenv("PATH");
1453 char * extended_opts
= 0;
1455 char * usage_types
= 0;
1457 * NOTE: A few words about fs_blocks_count and blocksize:
1459 * Initially, blocksize is set to zero, which implies 1024.
1460 * If -b is specified, blocksize is updated to the user's value.
1462 * Next, the device size or the user's "blocks" command line argument
1463 * is used to set fs_blocks_count; the units are blocksize.
1465 * Later, if blocksize hasn't been set and the profile specifies a
1466 * blocksize, then blocksize is updated and fs_blocks_count is scaled
1467 * appropriately. Note the change in units!
1469 * Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
1471 blk64_t fs_blocks_count
= 0;
1473 int s_opt
= -1, r_opt
= -1;
1474 char *fs_features
= 0;
1477 int pathlen
= sizeof(PATH_SET
) + 1;
1480 pathlen
+= strlen(oldpath
);
1481 newpath
= malloc(pathlen
);
1483 fprintf(stderr
, "%s",
1484 _("Couldn't allocate memory for new PATH.\n"));
1487 strcpy(newpath
, PATH_SET
);
1489 /* Update our PATH to include /sbin */
1491 strcat (newpath
, ":");
1492 strcat (newpath
, oldpath
);
1496 tmp
= getenv("MKE2FS_SYNC");
1498 sync_kludge
= atoi(tmp
);
1500 /* Determine the system page size if possible */
1502 #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
1503 #define _SC_PAGESIZE _SC_PAGE_SIZE
1506 sysval
= sysconf(_SC_PAGESIZE
);
1508 sys_page_size
= sysval
;
1509 #endif /* _SC_PAGESIZE */
1510 #endif /* HAVE_SYSCONF */
1512 if ((tmp
= getenv("MKE2FS_CONFIG")) != NULL
)
1514 profile_set_syntax_err_cb(syntax_err_report
);
1515 retval
= profile_init(config_fn
, &profile
);
1516 if (retval
== ENOENT
) {
1517 retval
= profile_init(default_files
, &profile
);
1520 retval
= profile_set_default(profile
, mke2fs_default_profile
);
1523 } else if (retval
) {
1525 fprintf(stderr
, _("Couldn't init profile successfully"
1526 " (error: %ld).\n"), retval
);
1530 setbuf(stdout
, NULL
);
1531 setbuf(stderr
, NULL
);
1532 add_error_table(&et_ext2_error_table
);
1533 add_error_table(&et_prof_error_table
);
1534 memset(&fs_param
, 0, sizeof(struct ext2_super_block
));
1535 fs_param
.s_rev_level
= 1; /* Create revision 1 filesystems now */
1537 if (is_before_linux_ver(2, 2, 0))
1538 fs_param
.s_rev_level
= 0;
1540 if (argc
&& *argv
) {
1541 program_name
= get_progname(*argv
);
1543 /* If called as mkfs.ext3, create a journal inode */
1544 if (!strcmp(program_name
, "mkfs.ext3") ||
1545 !strcmp(program_name
, "mke3fs"))
1549 while ((c
= getopt (argc
, argv
,
1550 "b:cg:i:jl:m:no:qr:s:t:d:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:V")) != EOF
) {
1553 blocksize
= parse_num_blocks2(optarg
, -1);
1554 b
= (blocksize
> 0) ? blocksize
: -blocksize
;
1555 if (b
< EXT2_MIN_BLOCK_SIZE
||
1556 b
> EXT2_MAX_BLOCK_SIZE
) {
1557 com_err(program_name
, 0,
1558 _("invalid block size - %s"), optarg
);
1561 if (blocksize
> 4096)
1562 fprintf(stderr
, _("Warning: blocksize %d not "
1563 "usable on most systems.\n"),
1566 fs_param
.s_log_block_size
=
1567 int_log2(blocksize
>>
1568 EXT2_MIN_BLOCK_LOG_SIZE
);
1570 case 'c': /* Check for bad blocks */
1574 cluster_size
= parse_num_blocks2(optarg
, -1);
1575 if (cluster_size
<= EXT2_MIN_CLUSTER_SIZE
||
1576 cluster_size
> EXT2_MAX_CLUSTER_SIZE
) {
1577 com_err(program_name
, 0,
1578 _("invalid cluster size - %s"),
1587 com_err(program_name
, 0, "%s",
1588 _("'-R' is deprecated, use '-E' instead"));
1591 extended_opts
= optarg
;
1597 fs_param
.s_blocks_per_group
= strtoul(optarg
, &tmp
, 0);
1599 com_err(program_name
, 0, "%s",
1600 _("Illegal number for blocks per group"));
1603 if ((fs_param
.s_blocks_per_group
% 8) != 0) {
1604 com_err(program_name
, 0, "%s",
1605 _("blocks per group must be multiple of 8"));
1610 flex_bg_size
= strtoul(optarg
, &tmp
, 0);
1612 com_err(program_name
, 0, "%s",
1613 _("Illegal number for flex_bg size"));
1616 if (flex_bg_size
< 1 ||
1617 (flex_bg_size
& (flex_bg_size
-1)) != 0) {
1618 com_err(program_name
, 0, "%s",
1619 _("flex_bg size must be a power of 2"));
1622 if (flex_bg_size
> MAX_32_NUM
) {
1623 com_err(program_name
, 0,
1624 _("flex_bg size (%lu) must be less than"
1625 " or equal to 2^31"), flex_bg_size
);
1630 inode_ratio
= strtoul(optarg
, &tmp
, 0);
1631 if (inode_ratio
< EXT2_MIN_BLOCK_SIZE
||
1632 inode_ratio
> EXT2_MAX_BLOCK_SIZE
* 1024 ||
1634 com_err(program_name
, 0,
1635 _("invalid inode ratio %s (min %d/max %d)"),
1636 optarg
, EXT2_MIN_BLOCK_SIZE
,
1637 EXT2_MAX_BLOCK_SIZE
* 1024);
1642 inode_size
= strtoul(optarg
, &tmp
, 0);
1644 com_err(program_name
, 0,
1645 _("invalid inode size - %s"), optarg
);
1654 parse_journal_opts(optarg
);
1657 fprintf(stderr
, "%s",
1658 _("Warning: -K option is deprecated and "
1659 "should not be used anymore. Use "
1660 "\'-E nodiscard\' extended option "
1665 bad_blocks_filename
= realloc(bad_blocks_filename
,
1666 strlen(optarg
) + 1);
1667 if (!bad_blocks_filename
) {
1668 com_err(program_name
, ENOMEM
, "%s",
1669 _("in malloc for bad_blocks_filename"));
1672 strcpy(bad_blocks_filename
, optarg
);
1675 volume_label
= optarg
;
1678 reserved_ratio
= strtod(optarg
, &tmp
);
1679 if ( *tmp
|| reserved_ratio
> 50 ||
1680 reserved_ratio
< 0) {
1681 com_err(program_name
, 0,
1682 _("invalid reserved blocks percent - %s"),
1694 num_inodes
= strtoul(optarg
, &tmp
, 0);
1696 com_err(program_name
, 0,
1697 _("bad num inodes - %s"), optarg
);
1702 creator_os
= optarg
;
1705 fs_features
= optarg
;
1711 r_opt
= strtoul(optarg
, &tmp
, 0);
1713 com_err(program_name
, 0,
1714 _("bad revision level - %s"), optarg
);
1717 if (r_opt
> EXT2_MAX_SUPP_REV
) {
1718 com_err(program_name
, EXT2_ET_REV_TOO_HIGH
,
1719 _("while trying to create revision %d"), r_opt
);
1722 fs_param
.s_rev_level
= r_opt
;
1724 case 's': /* deprecated */
1725 s_opt
= atoi(optarg
);
1732 com_err(program_name
, 0, "%s",
1733 _("The -t option may only be used once"));
1736 fs_type
= strdup(optarg
);
1740 com_err(program_name
, 0, "%s",
1741 _("The -T option may only be used once"));
1744 usage_types
= strdup(optarg
);
1756 /* Print version number and exit */
1757 show_version_only
++;
1763 if ((optind
== argc
) && !show_version_only
)
1765 device_name
= argv
[optind
++];
1767 if (!quiet
|| show_version_only
)
1768 fprintf (stderr
, "mke2fs %s (%s)\n", E2FSPROGS_VERSION
,
1771 if (show_version_only
) {
1772 fprintf(stderr
, _("\tUsing %s\n"),
1773 error_message(EXT2_ET_BASE
));
1778 * If there's no blocksize specified and there is a journal
1779 * device, use it to figure out the blocksize
1781 if (blocksize
<= 0 && journal_device
) {
1785 #ifdef CONFIG_TESTIO_DEBUG
1786 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1787 io_ptr
= test_io_manager
;
1788 test_io_backing_manager
= unix_io_manager
;
1791 io_ptr
= unix_io_manager
;
1792 retval
= ext2fs_open(journal_device
,
1793 EXT2_FLAG_JOURNAL_DEV_OK
, 0,
1796 com_err(program_name
, retval
,
1797 _("while trying to open journal device %s\n"),
1801 if ((blocksize
< 0) && (jfs
->blocksize
< (unsigned) (-blocksize
))) {
1802 com_err(program_name
, 0,
1803 _("Journal dev blocksize (%d) smaller than "
1804 "minimum blocksize %d\n"), jfs
->blocksize
,
1808 blocksize
= jfs
->blocksize
;
1809 printf(_("Using journal device's blocksize: %d\n"), blocksize
);
1810 fs_param
.s_log_block_size
=
1811 int_log2(blocksize
>> EXT2_MIN_BLOCK_LOG_SIZE
);
1812 ext2fs_close_free(&jfs
);
1815 if (optind
< argc
) {
1816 fs_blocks_count
= parse_num_blocks2(argv
[optind
++],
1817 fs_param
.s_log_block_size
);
1818 if (!fs_blocks_count
) {
1819 com_err(program_name
, 0,
1820 _("invalid blocks '%s' on device '%s'"),
1821 argv
[optind
- 1], device_name
);
1828 profile_get_integer(profile
, "options", "proceed_delay", 0, 0,
1831 /* The isatty() test is so we don't break existing scripts */
1832 flags
= CREATE_FILE
;
1833 if (isatty(0) && isatty(1))
1834 flags
|= CHECK_FS_EXIST
;
1836 flags
|= VERBOSE_CREATE
;
1837 if (!check_plausibility(device_name
, flags
, &is_device
) && !force
)
1838 proceed_question(proceed_delay
);
1840 check_mount(device_name
, force
, _("filesystem"));
1842 /* Determine the size of the device (if possible) */
1843 if (noaction
&& fs_blocks_count
) {
1844 dev_size
= fs_blocks_count
;
1847 retval
= ext2fs_get_device_size2(device_name
,
1848 EXT2_BLOCK_SIZE(&fs_param
),
1851 if (retval
&& (retval
!= EXT2_ET_UNIMPLEMENTED
)) {
1852 com_err(program_name
, retval
, "%s",
1853 _("while trying to determine filesystem size"));
1856 if (!fs_blocks_count
) {
1857 if (retval
== EXT2_ET_UNIMPLEMENTED
) {
1858 com_err(program_name
, 0, "%s",
1859 _("Couldn't determine device size; you "
1860 "must specify\nthe size of the "
1864 if (dev_size
== 0) {
1865 com_err(program_name
, 0, "%s",
1866 _("Device size reported to be zero. "
1867 "Invalid partition specified, or\n\t"
1868 "partition table wasn't reread "
1869 "after running fdisk, due to\n\t"
1870 "a modified partition being busy "
1871 "and in use. You may need to reboot\n\t"
1872 "to re-read your partition table.\n"
1876 fs_blocks_count
= dev_size
;
1877 if (sys_page_size
> EXT2_BLOCK_SIZE(&fs_param
))
1878 fs_blocks_count
&= ~((blk64_t
) ((sys_page_size
/
1879 EXT2_BLOCK_SIZE(&fs_param
))-1));
1881 } else if (!force
&& is_device
&& (fs_blocks_count
> dev_size
)) {
1882 com_err(program_name
, 0, "%s",
1883 _("Filesystem larger than apparent device size."));
1884 proceed_question(proceed_delay
);
1888 profile_get_string(profile
, "devices", device_name
,
1889 "fs_type", 0, &fs_type
);
1891 profile_get_string(profile
, "devices", device_name
,
1892 "usage_types", 0, &usage_types
);
1895 * We have the file system (or device) size, so we can now
1896 * determine the appropriate file system types so the fs can
1897 * be appropriately configured.
1899 fs_types
= parse_fs_type(fs_type
, usage_types
, &fs_param
,
1900 fs_blocks_count
? fs_blocks_count
: dev_size
,
1903 fprintf(stderr
, "%s", _("Failed to parse fs types list\n"));
1907 /* Figure out what features should be enabled */
1910 if (fs_param
.s_rev_level
!= EXT2_GOOD_OLD_REV
) {
1911 tmp
= get_string_from_profile(fs_types
, "base_features",
1912 "sparse_super,filetype,resize_inode,dir_index");
1913 edit_feature(tmp
, &fs_param
.s_feature_compat
);
1916 /* And which mount options as well */
1917 tmp
= get_string_from_profile(fs_types
, "default_mntopts",
1919 edit_mntopts(tmp
, &fs_param
.s_default_mount_opts
);
1923 for (cpp
= fs_types
; *cpp
; cpp
++) {
1925 profile_get_string(profile
, "fs_types", *cpp
,
1926 "features", "", &tmp
);
1928 edit_feature(tmp
, &fs_param
.s_feature_compat
);
1932 tmp
= get_string_from_profile(fs_types
, "default_features",
1935 /* Mask off features which aren't supported by the Hurd */
1936 if (for_hurd(creator_os
)) {
1937 fs_param
.s_feature_incompat
&= ~EXT2_FEATURE_INCOMPAT_FILETYPE
;
1938 fs_param
.s_feature_ro_compat
&=
1939 ~(EXT4_FEATURE_RO_COMPAT_HUGE_FILE
|
1940 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
);
1942 edit_feature(fs_features
? fs_features
: tmp
,
1943 &fs_param
.s_feature_compat
);
1947 * If the user specified features incompatible with the Hurd, complain
1949 if (for_hurd(creator_os
)) {
1950 if (fs_param
.s_feature_incompat
&
1951 EXT2_FEATURE_INCOMPAT_FILETYPE
) {
1952 fprintf(stderr
, "%s", _("The HURD does not support the "
1953 "filetype feature.\n"));
1956 if (fs_param
.s_feature_ro_compat
&
1957 EXT4_FEATURE_RO_COMPAT_HUGE_FILE
) {
1958 fprintf(stderr
, "%s", _("The HURD does not support the "
1959 "huge_file feature.\n"));
1962 if (fs_param
.s_feature_ro_compat
&
1963 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
) {
1964 fprintf(stderr
, "%s", _("The HURD does not support the "
1965 "metadata_csum feature.\n"));
1970 /* Get the hardware sector sizes, if available */
1971 retval
= ext2fs_get_device_sectsize(device_name
, &lsector_size
);
1973 com_err(program_name
, retval
, "%s",
1974 _("while trying to determine hardware sector size"));
1977 retval
= ext2fs_get_device_phys_sectsize(device_name
, &psector_size
);
1979 com_err(program_name
, retval
, "%s",
1980 _("while trying to determine physical sector size"));
1984 tmp
= getenv("MKE2FS_DEVICE_SECTSIZE");
1986 lsector_size
= atoi(tmp
);
1987 tmp
= getenv("MKE2FS_DEVICE_PHYS_SECTSIZE");
1989 psector_size
= atoi(tmp
);
1991 /* Older kernels may not have physical/logical distinction */
1993 psector_size
= lsector_size
;
1995 if (blocksize
<= 0) {
1996 use_bsize
= get_int_from_profile(fs_types
, "blocksize", 4096);
1998 if (use_bsize
== -1) {
1999 use_bsize
= sys_page_size
;
2000 if (is_before_linux_ver(2, 6, 0) && use_bsize
> 4096)
2003 if (lsector_size
&& use_bsize
< lsector_size
)
2004 use_bsize
= lsector_size
;
2005 if ((blocksize
< 0) && (use_bsize
< (-blocksize
)))
2006 use_bsize
= -blocksize
;
2007 blocksize
= use_bsize
;
2008 fs_blocks_count
/= (blocksize
/ 1024);
2010 if (blocksize
< lsector_size
) { /* Impossible */
2011 com_err(program_name
, EINVAL
, "%s",
2012 _("while setting blocksize; too small "
2015 } else if ((blocksize
< psector_size
) &&
2016 (psector_size
<= sys_page_size
)) { /* Suboptimal */
2017 fprintf(stderr
, _("Warning: specified blocksize %d is "
2018 "less than device physical sectorsize %d\n"),
2019 blocksize
, psector_size
);
2023 fs_param
.s_log_block_size
=
2024 int_log2(blocksize
>> EXT2_MIN_BLOCK_LOG_SIZE
);
2027 * We now need to do a sanity check of fs_blocks_count for
2028 * 32-bit vs 64-bit block number support.
2030 if ((fs_blocks_count
> MAX_32_NUM
) &&
2031 (fs_param
.s_feature_incompat
& EXT4_FEATURE_INCOMPAT_64BIT
))
2032 fs_param
.s_feature_compat
&= ~EXT2_FEATURE_COMPAT_RESIZE_INODE
;
2033 if ((fs_blocks_count
> MAX_32_NUM
) &&
2034 !(fs_param
.s_feature_incompat
& EXT4_FEATURE_INCOMPAT_64BIT
) &&
2035 get_bool_from_profile(fs_types
, "auto_64-bit_support", 0)) {
2036 fs_param
.s_feature_incompat
|= EXT4_FEATURE_INCOMPAT_64BIT
;
2037 fs_param
.s_feature_compat
&= ~EXT2_FEATURE_COMPAT_RESIZE_INODE
;
2039 if ((fs_blocks_count
> MAX_32_NUM
) &&
2040 !(fs_param
.s_feature_incompat
& EXT4_FEATURE_INCOMPAT_64BIT
)) {
2041 fprintf(stderr
, _("%s: Size of device (0x%llx blocks) %s "
2042 "too big to be expressed\n\t"
2043 "in 32 bits using a blocksize of %d.\n"),
2044 program_name
, fs_blocks_count
, device_name
,
2045 EXT2_BLOCK_SIZE(&fs_param
));
2049 ext2fs_blocks_count_set(&fs_param
, fs_blocks_count
);
2051 if (fs_param
.s_feature_incompat
& EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
) {
2052 fs_types
[0] = strdup("journal");
2057 fputs(_("fs_types for mke2fs.conf resolution: "), stdout
);
2058 print_str_list(fs_types
);
2061 if (r_opt
== EXT2_GOOD_OLD_REV
&&
2062 (fs_param
.s_feature_compat
|| fs_param
.s_feature_incompat
||
2063 fs_param
.s_feature_ro_compat
)) {
2064 fprintf(stderr
, "%s", _("Filesystem features not supported "
2065 "with revision 0 filesystems\n"));
2070 if (r_opt
== EXT2_GOOD_OLD_REV
) {
2071 fprintf(stderr
, "%s",
2072 _("Sparse superblocks not supported "
2073 "with revision 0 filesystems\n"));
2076 fs_param
.s_feature_ro_compat
|=
2077 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER
;
2078 } else if (s_opt
== 0)
2079 fs_param
.s_feature_ro_compat
&=
2080 ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER
;
2082 if (journal_size
!= 0) {
2083 if (r_opt
== EXT2_GOOD_OLD_REV
) {
2084 fprintf(stderr
, "%s", _("Journals not supported with "
2085 "revision 0 filesystems\n"));
2088 fs_param
.s_feature_compat
|=
2089 EXT3_FEATURE_COMPAT_HAS_JOURNAL
;
2092 /* Get reserved_ratio from profile if not specified on cmd line. */
2093 if (reserved_ratio
< 0.0) {
2094 reserved_ratio
= get_double_from_profile(
2095 fs_types
, "reserved_ratio", 5.0);
2096 if (reserved_ratio
> 50 || reserved_ratio
< 0) {
2097 com_err(program_name
, 0,
2098 _("invalid reserved blocks percent - %lf"),
2104 if (fs_param
.s_feature_incompat
&
2105 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
) {
2107 fs_param
.s_feature_incompat
= EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
;
2108 fs_param
.s_feature_compat
= 0;
2109 fs_param
.s_feature_ro_compat
= 0;
2112 /* Check the user's mkfs options for 64bit */
2113 if ((fs_param
.s_feature_incompat
& EXT4_FEATURE_INCOMPAT_64BIT
) &&
2114 !(fs_param
.s_feature_incompat
& EXT3_FEATURE_INCOMPAT_EXTENTS
)) {
2115 printf("%s", _("Extents MUST be enabled for a 64-bit "
2116 "filesystem. Pass -O extents to rectify.\n"));
2120 /* Set first meta blockgroup via an environment variable */
2121 /* (this is mostly for debugging purposes) */
2122 if ((fs_param
.s_feature_incompat
& EXT2_FEATURE_INCOMPAT_META_BG
) &&
2123 ((tmp
= getenv("MKE2FS_FIRST_META_BG"))))
2124 fs_param
.s_first_meta_bg
= atoi(tmp
);
2125 if (fs_param
.s_feature_ro_compat
& EXT4_FEATURE_RO_COMPAT_BIGALLOC
) {
2127 cluster_size
= get_int_from_profile(fs_types
,
2130 fs_param
.s_log_cluster_size
=
2131 int_log2(cluster_size
>> EXT2_MIN_CLUSTER_LOG_SIZE
);
2132 if (fs_param
.s_log_cluster_size
&&
2133 fs_param
.s_log_cluster_size
< fs_param
.s_log_block_size
) {
2134 com_err(program_name
, 0, "%s",
2135 _("The cluster size may not be "
2136 "smaller than the block size.\n"));
2139 } else if (cluster_size
) {
2140 com_err(program_name
, 0, "%s",
2141 _("specifying a cluster size requires the "
2142 "bigalloc feature"));
2145 fs_param
.s_log_cluster_size
= fs_param
.s_log_block_size
;
2147 if (inode_ratio
== 0) {
2148 inode_ratio
= get_int_from_profile(fs_types
, "inode_ratio",
2150 if (inode_ratio
< blocksize
)
2151 inode_ratio
= blocksize
;
2152 if (inode_ratio
< EXT2_CLUSTER_SIZE(&fs_param
))
2153 inode_ratio
= EXT2_CLUSTER_SIZE(&fs_param
);
2156 #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
2157 retval
= get_device_geometry(device_name
, &fs_param
, psector_size
);
2160 _("warning: Unable to get device geometry for %s\n"),
2162 } else if (retval
) {
2163 printf(_("%s alignment is offset by %lu bytes.\n"),
2164 device_name
, retval
);
2165 printf(_("This may result in very poor performance, "
2166 "(re)-partitioning suggested.\n"));
2170 num_backups
= get_int_from_profile(fs_types
, "num_backup_sb", 2);
2172 blocksize
= EXT2_BLOCK_SIZE(&fs_param
);
2175 * Initialize s_desc_size so that the parse_extended_opts()
2176 * can correctly handle "-E resize=NNN" if the 64-bit option
2179 if (fs_param
.s_feature_incompat
& EXT4_FEATURE_INCOMPAT_64BIT
)
2180 fs_param
.s_desc_size
= EXT2_MIN_DESC_SIZE_64BIT
;
2182 /* This check should happen beyond the last assignment to blocksize */
2183 if (blocksize
> sys_page_size
) {
2185 com_err(program_name
, 0,
2186 _("%d-byte blocks too big for system (max %d)"),
2187 blocksize
, sys_page_size
);
2188 proceed_question(proceed_delay
);
2190 fprintf(stderr
, _("Warning: %d-byte blocks too big for system "
2191 "(max %d), forced to continue\n"),
2192 blocksize
, sys_page_size
);
2196 * On newer kernels we do have lazy_itable_init support. So pick the
2197 * right default in case ext4 module is not loaded.
2199 if (is_before_linux_ver(2, 6, 37))
2200 lazy_itable_init
= 0;
2202 lazy_itable_init
= 1;
2204 if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK
) == 0)
2205 lazy_itable_init
= 1;
2207 lazy_itable_init
= get_bool_from_profile(fs_types
,
2210 discard
= get_bool_from_profile(fs_types
, "discard" , discard
);
2211 journal_flags
|= get_bool_from_profile(fs_types
,
2212 "lazy_journal_init", 0) ?
2213 EXT2_MKJOURNAL_LAZYINIT
: 0;
2214 journal_flags
|= EXT2_MKJOURNAL_NO_MNT_CHECK
;
2216 if (!journal_location_string
)
2217 journal_location_string
= get_string_from_profile(fs_types
,
2218 "journal_location", "");
2219 if ((journal_location
== ~0ULL) && journal_location_string
&&
2220 *journal_location_string
)
2221 journal_location
= parse_num_blocks2(journal_location_string
,
2222 fs_param
.s_log_block_size
);
2223 free(journal_location_string
);
2225 packed_meta_blocks
= get_bool_from_profile(fs_types
,
2226 "packed_meta_blocks", 0);
2227 if (packed_meta_blocks
)
2228 journal_location
= 0;
2230 /* Get options from profile */
2231 for (cpp
= fs_types
; *cpp
; cpp
++) {
2233 profile_get_string(profile
, "fs_types", *cpp
, "options", "", &tmp
);
2235 parse_extended_opts(&fs_param
, tmp
);
2240 parse_extended_opts(&fs_param
, extended_opts
);
2242 /* Don't allow user to set both metadata_csum and uninit_bg bits. */
2243 if ((fs_param
.s_feature_ro_compat
&
2244 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
) &&
2245 (fs_param
.s_feature_ro_compat
& EXT4_FEATURE_RO_COMPAT_GDT_CSUM
))
2246 fs_param
.s_feature_ro_compat
&=
2247 ~EXT4_FEATURE_RO_COMPAT_GDT_CSUM
;
2249 /* Can't support bigalloc feature without extents feature */
2250 if ((fs_param
.s_feature_ro_compat
& EXT4_FEATURE_RO_COMPAT_BIGALLOC
) &&
2251 !(fs_param
.s_feature_incompat
& EXT3_FEATURE_INCOMPAT_EXTENTS
)) {
2252 com_err(program_name
, 0, "%s",
2253 _("Can't support bigalloc feature without "
2254 "extents feature"));
2258 if ((fs_param
.s_feature_incompat
& EXT2_FEATURE_INCOMPAT_META_BG
) &&
2259 (fs_param
.s_feature_compat
& EXT2_FEATURE_COMPAT_RESIZE_INODE
)) {
2260 fprintf(stderr
, "%s", _("The resize_inode and meta_bg "
2261 "features are not compatible.\n"
2262 "They can not be both enabled "
2263 "simultaneously.\n"));
2268 (fs_param
.s_feature_ro_compat
& EXT4_FEATURE_RO_COMPAT_BIGALLOC
))
2269 fprintf(stderr
, "%s", _("\nWarning: the bigalloc feature is "
2270 "still under development\n"
2271 "See https://ext4.wiki.kernel.org/"
2272 "index.php/Bigalloc for more information\n\n"));
2275 * Since sparse_super is the default, we would only have a problem
2276 * here if it was explicitly disabled.
2278 if ((fs_param
.s_feature_compat
& EXT2_FEATURE_COMPAT_RESIZE_INODE
) &&
2279 !(fs_param
.s_feature_ro_compat
&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER
)) {
2280 com_err(program_name
, 0, "%s",
2281 _("reserved online resize blocks not supported "
2282 "on non-sparse filesystem"));
2286 if (fs_param
.s_blocks_per_group
) {
2287 if (fs_param
.s_blocks_per_group
< 256 ||
2288 fs_param
.s_blocks_per_group
> 8 * (unsigned) blocksize
) {
2289 com_err(program_name
, 0, "%s",
2290 _("blocks per group count out of range"));
2296 * If the bigalloc feature is enabled, then the -g option will
2297 * specify the number of clusters per group.
2299 if (fs_param
.s_feature_ro_compat
& EXT4_FEATURE_RO_COMPAT_BIGALLOC
) {
2300 fs_param
.s_clusters_per_group
= fs_param
.s_blocks_per_group
;
2301 fs_param
.s_blocks_per_group
= 0;
2304 if (inode_size
== 0)
2305 inode_size
= get_int_from_profile(fs_types
, "inode_size", 0);
2306 if (!flex_bg_size
&& (fs_param
.s_feature_incompat
&
2307 EXT4_FEATURE_INCOMPAT_FLEX_BG
))
2308 flex_bg_size
= get_uint_from_profile(fs_types
,
2309 "flex_bg_size", 16);
2311 if (!(fs_param
.s_feature_incompat
&
2312 EXT4_FEATURE_INCOMPAT_FLEX_BG
)) {
2313 com_err(program_name
, 0, "%s",
2314 _("Flex_bg feature not enabled, so "
2315 "flex_bg size may not be specified"));
2318 fs_param
.s_log_groups_per_flex
= int_log2(flex_bg_size
);
2321 if (inode_size
&& fs_param
.s_rev_level
>= EXT2_DYNAMIC_REV
) {
2322 if (inode_size
< EXT2_GOOD_OLD_INODE_SIZE
||
2323 inode_size
> EXT2_BLOCK_SIZE(&fs_param
) ||
2324 inode_size
& (inode_size
- 1)) {
2325 com_err(program_name
, 0,
2326 _("invalid inode size %d (min %d/max %d)"),
2327 inode_size
, EXT2_GOOD_OLD_INODE_SIZE
,
2331 fs_param
.s_inode_size
= inode_size
;
2335 * If inode size is 128 and inline data is enabled, we need
2336 * to notify users that inline data will never be useful.
2338 if ((fs_param
.s_feature_incompat
&
2339 EXT4_FEATURE_INCOMPAT_INLINE_DATA
) &&
2340 fs_param
.s_inode_size
== EXT2_GOOD_OLD_INODE_SIZE
) {
2341 com_err(program_name
, 0,
2342 _("inode size is %d, inline data is useless"),
2343 fs_param
.s_inode_size
);
2347 /* Make sure number of inodes specified will fit in 32 bits */
2348 if (num_inodes
== 0) {
2349 unsigned long long n
;
2350 n
= ext2fs_blocks_count(&fs_param
) * blocksize
/ inode_ratio
;
2351 if (n
> MAX_32_NUM
) {
2352 if (fs_param
.s_feature_incompat
&
2353 EXT4_FEATURE_INCOMPAT_64BIT
)
2354 num_inodes
= MAX_32_NUM
;
2356 com_err(program_name
, 0,
2357 _("too many inodes (%llu), raise "
2358 "inode ratio?"), n
);
2362 } else if (num_inodes
> MAX_32_NUM
) {
2363 com_err(program_name
, 0,
2364 _("too many inodes (%llu), specify < 2^32 inodes"),
2369 * Calculate number of inodes based on the inode ratio
2371 fs_param
.s_inodes_count
= num_inodes
? num_inodes
:
2372 (ext2fs_blocks_count(&fs_param
) * blocksize
) / inode_ratio
;
2374 if ((((unsigned long long)fs_param
.s_inodes_count
) *
2375 (inode_size
? inode_size
: EXT2_GOOD_OLD_INODE_SIZE
)) >=
2376 ((ext2fs_blocks_count(&fs_param
)) *
2377 EXT2_BLOCK_SIZE(&fs_param
))) {
2378 com_err(program_name
, 0, _("inode_size (%u) * inodes_count "
2379 "(%u) too big for a\n\t"
2380 "filesystem with %llu blocks, "
2381 "specify higher inode_ratio (-i)\n\t"
2382 "or lower inode count (-N).\n"),
2383 inode_size
? inode_size
: EXT2_GOOD_OLD_INODE_SIZE
,
2384 fs_param
.s_inodes_count
,
2385 (unsigned long long) ext2fs_blocks_count(&fs_param
));
2390 * Calculate number of blocks to reserve
2392 ext2fs_r_blocks_count_set(&fs_param
, reserved_ratio
*
2393 ext2fs_blocks_count(&fs_param
) / 100.0);
2395 if (fs_param
.s_feature_compat
& EXT4_FEATURE_COMPAT_SPARSE_SUPER2
) {
2396 if (num_backups
>= 1)
2397 fs_param
.s_backup_bgs
[0] = 1;
2398 if (num_backups
>= 2)
2399 fs_param
.s_backup_bgs
[1] = ~0;
2406 static int should_do_undo(const char *name
)
2411 struct ext2_super_block super
;
2412 io_manager manager
= unix_io_manager
;
2413 int csum_flag
, force_undo
;
2415 csum_flag
= EXT2_HAS_RO_COMPAT_FEATURE(&fs_param
,
2416 EXT4_FEATURE_RO_COMPAT_GDT_CSUM
|
2417 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
);
2418 force_undo
= get_int_from_profile(fs_types
, "force_undo", 0);
2419 if (!force_undo
&& (!csum_flag
|| !lazy_itable_init
))
2422 retval
= manager
->open(name
, IO_FLAG_EXCLUSIVE
, &channel
);
2425 * We don't handle error cases instead we
2426 * declare that the file system doesn't exist
2427 * and let the rest of mke2fs take care of
2434 io_channel_set_blksize(channel
, SUPERBLOCK_OFFSET
);
2435 retval
= io_channel_read_blk64(channel
, 1, -SUPERBLOCK_SIZE
, &super
);
2441 #if defined(WORDS_BIGENDIAN)
2442 s_magic
= ext2fs_swab16(super
.s_magic
);
2444 s_magic
= super
.s_magic
;
2447 if (s_magic
== EXT2_SUPER_MAGIC
)
2451 io_channel_close(channel
);
2458 static int mke2fs_setup_tdb(const char *name
, io_manager
*io_ptr
)
2460 errcode_t retval
= ENOMEM
;
2461 char *tdb_dir
= NULL
, *tdb_file
= NULL
;
2462 char *dev_name
, *tmp_name
;
2463 int free_tdb_dir
= 0;
2466 * Configuration via a conf file would be
2469 tdb_dir
= getenv("E2FSPROGS_UNDO_DIR");
2471 profile_get_string(profile
, "defaults",
2472 "undo_dir", 0, "/var/lib/e2fsprogs",
2477 if (!strcmp(tdb_dir
, "none") || (tdb_dir
[0] == 0) ||
2478 access(tdb_dir
, W_OK
)) {
2484 tmp_name
= strdup(name
);
2487 dev_name
= basename(tmp_name
);
2488 tdb_file
= malloc(strlen(tdb_dir
) + 8 + strlen(dev_name
) + 7 + 1);
2493 sprintf(tdb_file
, "%s/mke2fs-%s.e2undo", tdb_dir
, dev_name
);
2496 if ((unlink(tdb_file
) < 0) && (errno
!= ENOENT
)) {
2501 set_undo_io_backing_manager(*io_ptr
);
2502 *io_ptr
= undo_io_manager
;
2503 retval
= set_undo_io_backup_file(tdb_file
);
2506 printf(_("Overwriting existing filesystem; this can be undone "
2507 "using the command:\n"
2508 " e2undo %s %s\n\n"), tdb_file
, name
);
2519 com_err(program_name
, retval
, "%s",
2520 _("while trying to setup undo file\n"));
2524 static int mke2fs_discard_device(ext2_filsys fs
)
2526 struct ext2fs_numeric_progress_struct progress
;
2527 blk64_t blocks
= ext2fs_blocks_count(fs
->super
);
2528 blk64_t count
= DISCARD_STEP_MB
;
2533 * Let's try if discard really works on the device, so
2534 * we do not print numeric progress resulting in failure
2537 retval
= io_channel_discard(fs
->io
, 0, fs
->blocksize
);
2540 cur
= fs
->blocksize
;
2542 count
*= (1024 * 1024);
2543 count
/= fs
->blocksize
;
2545 ext2fs_numeric_progress_init(fs
, &progress
,
2546 _("Discarding device blocks: "),
2548 while (cur
< blocks
) {
2549 ext2fs_numeric_progress_update(fs
, &progress
, cur
);
2551 if (cur
+ count
> blocks
)
2552 count
= blocks
- cur
;
2554 retval
= io_channel_discard(fs
->io
, cur
, count
);
2561 ext2fs_numeric_progress_close(fs
, &progress
,
2564 printf("%s\n",error_message(retval
));
2566 ext2fs_numeric_progress_close(fs
, &progress
,
2572 static void fix_cluster_bg_counts(ext2_filsys fs
)
2574 blk64_t block
, num_blocks
, last_block
, next
;
2575 blk64_t tot_free
= 0;
2580 num_blocks
= ext2fs_blocks_count(fs
->super
);
2581 last_block
= ext2fs_group_last_block2(fs
, group
);
2582 block
= fs
->super
->s_first_data_block
;
2583 while (block
< num_blocks
) {
2584 retval
= ext2fs_find_first_zero_block_bitmap2(fs
->block_map
,
2585 block
, last_block
, &next
);
2589 block
= last_block
+ 1;
2593 retval
= ext2fs_find_first_set_block_bitmap2(fs
->block_map
,
2594 block
, last_block
, &next
);
2596 next
= last_block
+ 1;
2597 grp_free
+= EXT2FS_NUM_B2C(fs
, next
- block
);
2598 tot_free
+= next
- block
;
2601 if (block
> last_block
) {
2603 ext2fs_bg_free_blocks_count_set(fs
, group
, grp_free
);
2604 ext2fs_group_desc_csum_set(fs
, group
);
2607 last_block
= ext2fs_group_last_block2(fs
, group
);
2610 ext2fs_free_blocks_count_set(fs
->super
, tot_free
);
2613 static int create_quota_inodes(ext2_filsys fs
)
2617 quota_init_context(&qctx
, fs
, -1);
2618 quota_compute_usage(qctx
);
2619 quota_write_inode(qctx
, quotatype
);
2620 quota_release_context(&qctx
);
2625 int main (int argc
, char *argv
[])
2627 errcode_t retval
= 0;
2629 badblocks_list bb_list
= 0;
2630 unsigned int journal_blocks
= 0;
2631 unsigned int i
, checkinterval
;
2637 char opt_string
[40];
2639 int itable_zeroed
= 0;
2642 setlocale(LC_MESSAGES
, "");
2643 setlocale(LC_CTYPE
, "");
2644 bindtextdomain(NLS_CAT_NAME
, LOCALEDIR
);
2645 textdomain(NLS_CAT_NAME
);
2646 set_com_err_gettext(gettext
);
2650 #ifdef CONFIG_TESTIO_DEBUG
2651 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
2652 io_ptr
= test_io_manager
;
2653 test_io_backing_manager
= unix_io_manager
;
2656 io_ptr
= unix_io_manager
;
2658 if (should_do_undo(device_name
)) {
2659 retval
= mke2fs_setup_tdb(device_name
, &io_ptr
);
2665 * Initialize the superblock....
2667 flags
= EXT2_FLAG_EXCLUSIVE
;
2669 flags
|= EXT2_FLAG_DIRECT_IO
;
2670 profile_get_boolean(profile
, "options", "old_bitmaps", 0, 0,
2673 flags
|= EXT2_FLAG_64BITS
;
2675 * By default, we print how many inode tables or block groups
2676 * or whatever we've written so far. The quiet flag disables
2677 * this, along with a lot of other output.
2680 flags
|= EXT2_FLAG_PRINT_PROGRESS
;
2681 retval
= ext2fs_initialize(device_name
, flags
, &fs_param
, io_ptr
, &fs
);
2683 com_err(device_name
, retval
, "%s",
2684 _("while setting up superblock"));
2687 fs
->progress_ops
= &ext2fs_numeric_progress_ops
;
2689 /* Check the user's mkfs options for metadata checksumming */
2691 EXT2_HAS_RO_COMPAT_FEATURE(fs
->super
,
2692 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
)) {
2693 if (!EXT2_HAS_INCOMPAT_FEATURE(fs
->super
,
2694 EXT3_FEATURE_INCOMPAT_EXTENTS
))
2696 _("Extents are not enabled. The file extent "
2697 "tree can be checksummed, whereas block maps "
2698 "cannot. Not enabling extents reduces the "
2699 "coverage of metadata checksumming. "
2700 "Pass -O extents to rectify.\n"));
2701 if (!EXT2_HAS_INCOMPAT_FEATURE(fs
->super
,
2702 EXT4_FEATURE_INCOMPAT_64BIT
))
2704 _("64-bit filesystem support is not enabled. "
2705 "The larger fields afforded by this feature "
2706 "enable full-strength checksumming. "
2707 "Pass -O 64bit to rectify.\n"));
2710 /* Calculate journal blocks */
2711 if (!journal_device
&& ((journal_size
) ||
2712 (fs_param
.s_feature_compat
&
2713 EXT3_FEATURE_COMPAT_HAS_JOURNAL
)))
2714 journal_blocks
= figure_journal_size(journal_size
, fs
);
2716 /* Can't undo discard ... */
2717 if (!noaction
&& discard
&& dev_size
&& (io_ptr
!= undo_io_manager
)) {
2718 retval
= mke2fs_discard_device(fs
);
2719 if (!retval
&& io_channel_discard_zeroes_data(fs
->io
)) {
2722 _("Discard succeeded and will return "
2723 "0s - skipping inode table wipe\n"));
2724 lazy_itable_init
= 1;
2730 sprintf(opt_string
, "tdb_data_size=%d", fs
->blocksize
<= 4096 ?
2731 32768 : fs
->blocksize
* 8);
2732 io_channel_set_options(fs
->io
, opt_string
);
2734 sprintf(opt_string
, "offset=%llu", offset
);
2735 io_channel_set_options(fs
->io
, opt_string
);
2738 if (fs_param
.s_flags
& EXT2_FLAGS_TEST_FILESYS
)
2739 fs
->super
->s_flags
|= EXT2_FLAGS_TEST_FILESYS
;
2741 if ((fs_param
.s_feature_incompat
&
2742 (EXT3_FEATURE_INCOMPAT_EXTENTS
|EXT4_FEATURE_INCOMPAT_FLEX_BG
)) ||
2743 (fs_param
.s_feature_ro_compat
&
2744 (EXT4_FEATURE_RO_COMPAT_HUGE_FILE
|EXT4_FEATURE_RO_COMPAT_GDT_CSUM
|
2745 EXT4_FEATURE_RO_COMPAT_DIR_NLINK
|
2746 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
|
2747 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE
)))
2748 fs
->super
->s_kbytes_written
= 1;
2751 * Wipe out the old on-disk superblock
2754 zap_sector(fs
, 2, 6);
2757 * Parse or generate a UUID for the filesystem
2760 if (uuid_parse(fs_uuid
, fs
->super
->s_uuid
) !=0) {
2761 com_err(device_name
, 0, "could not parse UUID: %s\n",
2766 uuid_generate(fs
->super
->s_uuid
);
2767 ext2fs_init_csum_seed(fs
);
2770 * Initialize the directory index variables
2772 hash_alg_str
= get_string_from_profile(fs_types
, "hash_alg",
2774 hash_alg
= e2p_string2hash(hash_alg_str
);
2776 fs
->super
->s_def_hash_version
= (hash_alg
>= 0) ? hash_alg
:
2778 uuid_generate((unsigned char *) fs
->super
->s_hash_seed
);
2781 * Periodic checks can be enabled/disabled via config file.
2782 * Note we override the kernel include file's idea of what the default
2783 * check interval (never) should be. It's a good idea to check at
2784 * least *occasionally*, specially since servers will never rarely get
2785 * to reboot, since Linux is so robust these days. :-)
2787 * 180 days (six months) seems like a good value.
2789 #ifdef EXT2_DFL_CHECKINTERVAL
2790 #undef EXT2_DFL_CHECKINTERVAL
2792 #define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
2794 if (get_bool_from_profile(fs_types
, "enable_periodic_fsck", 0)) {
2795 fs
->super
->s_checkinterval
= EXT2_DFL_CHECKINTERVAL
;
2796 fs
->super
->s_max_mnt_count
= EXT2_DFL_MAX_MNT_COUNT
;
2798 * Add "jitter" to the superblock's check interval so that we
2799 * don't check all the filesystems at the same time. We use a
2800 * kludgy hack of using the UUID to derive a random jitter value
2802 for (i
= 0, val
= 0 ; i
< sizeof(fs
->super
->s_uuid
); i
++)
2803 val
+= fs
->super
->s_uuid
[i
];
2804 fs
->super
->s_max_mnt_count
+= val
% EXT2_DFL_MAX_MNT_COUNT
;
2806 fs
->super
->s_max_mnt_count
= -1;
2809 * Override the creator OS, if applicable
2811 if (creator_os
&& !set_os(fs
->super
, creator_os
)) {
2812 com_err (program_name
, 0, _("unknown os - %s"), creator_os
);
2817 * For the Hurd, we will turn off filetype since it doesn't
2820 if (fs
->super
->s_creator_os
== EXT2_OS_HURD
)
2821 fs
->super
->s_feature_incompat
&=
2822 ~EXT2_FEATURE_INCOMPAT_FILETYPE
;
2825 * Set the volume label...
2828 memset(fs
->super
->s_volume_name
, 0,
2829 sizeof(fs
->super
->s_volume_name
));
2830 strncpy(fs
->super
->s_volume_name
, volume_label
,
2831 sizeof(fs
->super
->s_volume_name
));
2835 * Set the last mount directory
2838 memset(fs
->super
->s_last_mounted
, 0,
2839 sizeof(fs
->super
->s_last_mounted
));
2840 strncpy(fs
->super
->s_last_mounted
, mount_dir
,
2841 sizeof(fs
->super
->s_last_mounted
));
2844 if (EXT2_HAS_RO_COMPAT_FEATURE(fs
->super
,
2845 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
))
2846 fs
->super
->s_checksum_type
= EXT2_CRC32C_CHKSUM
;
2848 if (!quiet
|| noaction
)
2854 if (fs
->super
->s_feature_incompat
&
2855 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
) {
2856 create_journal_dev(fs
);
2857 exit(ext2fs_close_free(&fs
) ? 1 : 0);
2860 if (bad_blocks_filename
)
2861 read_bb_file(fs
, &bb_list
, bad_blocks_filename
);
2863 test_disk(fs
, &bb_list
);
2864 handle_bad_blocks(fs
, bb_list
);
2866 fs
->stride
= fs_stride
= fs
->super
->s_raid_stride
;
2868 printf("%s", _("Allocating group tables: "));
2869 if ((fs
->super
->s_feature_incompat
& EXT4_FEATURE_INCOMPAT_FLEX_BG
) &&
2871 retval
= packed_allocate_tables(fs
);
2873 retval
= ext2fs_allocate_tables(fs
);
2875 com_err(program_name
, retval
, "%s",
2876 _("while trying to allocate filesystem tables"));
2880 printf("%s", _("done \n"));
2882 retval
= ext2fs_convert_subcluster_bitmap(fs
, &fs
->block_map
);
2884 com_err(program_name
, retval
, "%s",
2885 _("\n\twhile converting subcluster bitmap"));
2890 fs
->super
->s_state
|= EXT2_ERROR_FS
;
2891 fs
->flags
&= ~(EXT2_FLAG_IB_DIRTY
|EXT2_FLAG_BB_DIRTY
);
2893 * The command "mke2fs -S" is used to recover
2894 * corrupted file systems, so do not mark any of the
2895 * inodes as unused; we want e2fsck to consider all
2896 * inodes as potentially containing recoverable data.
2898 if (ext2fs_has_group_desc_csum(fs
)) {
2899 for (i
= 0; i
< fs
->group_desc_count
; i
++)
2900 ext2fs_bg_itable_unused_set(fs
, i
, 0);
2903 /* rsv must be a power of two (64kB is MD RAID sb alignment) */
2904 blk64_t rsv
= 65536 / fs
->blocksize
;
2905 blk64_t blocks
= ext2fs_blocks_count(fs
->super
);
2909 #ifdef ZAP_BOOTBLOCK
2910 zap_sector(fs
, 0, 2);
2914 * Wipe out any old MD RAID (or other) metadata at the end
2915 * of the device. This will also verify that the device is
2916 * as large as we think. Be careful with very small devices.
2918 start
= (blocks
& ~(rsv
- 1));
2922 retval
= ext2fs_zero_blocks2(fs
, start
, blocks
- start
,
2926 com_err(program_name
, retval
,
2927 _("while zeroing block %llu at end of filesystem"),
2930 write_inode_tables(fs
, lazy_itable_init
, itable_zeroed
);
2931 create_root_dir(fs
);
2932 create_lost_and_found(fs
);
2934 create_bad_block_inode(fs
, bb_list
);
2935 if (fs
->super
->s_feature_compat
&
2936 EXT2_FEATURE_COMPAT_RESIZE_INODE
) {
2937 retval
= ext2fs_create_resize_inode(fs
);
2939 com_err("ext2fs_create_resize_inode", retval
,
2941 _("while reserving blocks for online resize"));
2947 if (journal_device
) {
2950 if (!check_plausibility(journal_device
, CHECK_BLOCK_DEV
,
2952 proceed_question(proceed_delay
);
2953 check_mount(journal_device
, force
, _("journal"));
2955 retval
= ext2fs_open(journal_device
, EXT2_FLAG_RW
|
2956 EXT2_FLAG_JOURNAL_DEV_OK
, 0,
2957 fs
->blocksize
, unix_io_manager
, &jfs
);
2959 com_err(program_name
, retval
,
2960 _("while trying to open journal device %s\n"),
2965 printf(_("Adding journal to device %s: "),
2969 retval
= ext2fs_add_journal_device(fs
, jfs
);
2971 com_err (program_name
, retval
,
2972 _("\n\twhile trying to add journal to device %s"),
2977 printf("%s", _("done\n"));
2978 ext2fs_close_free(&jfs
);
2979 free(journal_device
);
2980 } else if ((journal_size
) ||
2981 (fs_param
.s_feature_compat
&
2982 EXT3_FEATURE_COMPAT_HAS_JOURNAL
)) {
2984 printf("%s", _("Skipping journal creation in super-only mode\n"));
2985 fs
->super
->s_journal_inum
= EXT2_JOURNAL_INO
;
2989 if (!journal_blocks
) {
2990 fs
->super
->s_feature_compat
&=
2991 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL
;
2995 printf(_("Creating journal (%u blocks): "),
2999 retval
= ext2fs_add_journal_inode2(fs
, journal_blocks
,
3003 com_err(program_name
, retval
, "%s",
3004 _("\n\twhile trying to create journal"));
3008 printf("%s", _("done\n"));
3012 fs
->super
->s_feature_incompat
& EXT4_FEATURE_INCOMPAT_MMP
) {
3013 retval
= ext2fs_mmp_init(fs
);
3015 fprintf(stderr
, "%s",
3016 _("\nError while enabling multiple "
3017 "mount protection feature."));
3021 printf(_("Multiple mount protection is enabled "
3022 "with update interval %d seconds.\n"),
3023 fs
->super
->s_mmp_update_interval
);
3026 if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param
,
3027 EXT4_FEATURE_RO_COMPAT_BIGALLOC
))
3028 fix_cluster_bg_counts(fs
);
3029 if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param
,
3030 EXT4_FEATURE_RO_COMPAT_QUOTA
))
3031 create_quota_inodes(fs
);
3033 retval
= mk_hugefiles(fs
, device_name
);
3035 com_err(program_name
, retval
, "while creating huge files");
3036 /* Copy files from the specified directory */
3039 printf("%s", _("Copying files into the device: "));
3041 retval
= populate_fs(fs
, EXT2_ROOT_INO
, root_dir
,
3044 com_err(program_name
, retval
, "%s",
3045 _("\nError while populating file system\n"));
3048 printf("%s", _("done\n"));
3052 printf("%s", _("Writing superblocks and "
3053 "filesystem accounting information: "));
3054 checkinterval
= fs
->super
->s_checkinterval
;
3055 max_mnt_count
= fs
->super
->s_max_mnt_count
;
3056 retval
= ext2fs_close_free(&fs
);
3058 fprintf(stderr
, "%s",
3059 _("\nWarning, had trouble writing out superblocks."));
3060 } else if (!quiet
) {
3061 printf("%s", _("done\n\n"));
3062 if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
3063 print_check_message(max_mnt_count
, checkinterval
);
3066 remove_error_table(&et_ext2_error_table
);
3067 remove_error_table(&et_prof_error_table
);
3068 profile_release(profile
);
3069 for (i
=0; fs_types
[i
]; i
++)