blob: 1ba3aaff3421984f99885ea165e8541354d6a66a [file] [log] [blame]
/*
* mke2fs.c - Make a ext2fs filesystem.
*
* Copyright (C) 1994, 1995, 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Public
* License.
* %End-Header%
*/
/* Usage: mke2fs [options] device
*
* The device may be a block device or a image of one, but this isn't
* enforced (but it's not much fun on a character device :-).
*/
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <ctype.h>
#include <time.h>
#ifdef linux
#include <sys/utsname.h>
#endif
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#else
extern char *optarg;
extern int optind;
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_MNTENT_H
#include <mntent.h>
#endif
#include <sys/ioctl.h>
#include <sys/types.h>
#include <linux/ext2_fs.h>
#include "et/com_err.h"
#include "uuid/uuid.h"
#include "e2p/e2p.h"
#include "ext2fs/ext2fs.h"
#include "util.h"
#include "../version.h"
#include "nls-enable.h"
#define STRIDE_LENGTH 8
#ifndef __sparc__
#define ZAP_BOOTBLOCK
#endif
extern int isatty(int);
extern FILE *fpopen(const char *cmd, const char *mode);
const char * program_name = "mke2fs";
const char * device_name /* = NULL */;
/* Command line options */
int cflag /* = 0 */ ;
int verbose /* = 0 */ ;
int quiet /* = 0 */ ;
int super_only /* = 0 */ ;
int force /* = 0 */ ;
int noaction /* = 0 */ ;
int journal_size /* = 0 */ ;
int journal_flags /* = 0 */ ;
char *bad_blocks_filename /* = 0 */ ;
__u32 fs_stride /* = 0 */ ;
struct ext2_super_block param;
char *creator_os /* = NULL */ ;
char *volume_label /* = NULL */ ;
char *mount_dir /* = NULL */ ;
char *journal_device /* = NULL */ ;
static void usage(void)
{
fprintf(stderr, _("Usage: %s [-c|-t|-l filename] [-b block-size] "
"[-f fragment-size]\n\t[-i bytes-per-inode] [-j journal-options]"
" [-N number-of-inodes]\n\t[-m reserved-blocks-percentage] "
"[-o creator-os] [-g blocks-per-group]\n\t[-L volume-label] "
"[-M last-mounted-directory] [-O feature[,...]]\n\t"
"[-r fs-revision] [-R raid_opts] [-s sparse-super-flag]\n\t"
"[-qvSV] device [blocks-count]\n"),
program_name);
exit(1);
}
static int int_log2(int arg)
{
int l = 0;
arg >>= 1;
while (arg) {
l++;
arg >>= 1;
}
return l;
}
static int int_log10(unsigned int arg)
{
int l;
for (l=0; arg ; l++)
arg = arg / 10;
return l;
}
/*
* This function sets the default parameters for a filesystem
*
* The type is specified by the user. The size is the maximum size
* (in megabytes) for which a set of parameters applies, with a size
* of zero meaning that it is the default parameter for the type.
* Note that order is important in the table below.
*/
static char default_str[] = "default";
struct mke2fs_defaults {
const char *type;
int size;
int blocksize;
int inode_ratio;
} settings[] = {
{ default_str, 0, 4096, 8192 },
{ default_str, 512, 1024, 4096 },
{ default_str, 3, 1024, 8192 },
{ "news", 0, 4096, 4096 },
{ 0, 0, 0, 0},
};
static void set_fs_defaults(char *fs_type, struct ext2_super_block *super,
int blocksize, int *inode_ratio)
{
int megs;
int ratio = 0;
struct mke2fs_defaults *p;
megs = (super->s_blocks_count * (EXT2_BLOCK_SIZE(super) / 1024) /
1024);
if (inode_ratio)
ratio = *inode_ratio;
if (!fs_type)
fs_type = default_str;
for (p = settings; p->type; p++) {
if ((strcmp(p->type, fs_type) != 0) &&
(strcmp(p->type, default_str) != 0))
continue;
if ((p->size != 0) &&
(megs > p->size))
continue;
if (ratio == 0)
*inode_ratio = p->inode_ratio;
if (blocksize == 0) {
super->s_log_frag_size = super->s_log_block_size =
int_log2(p->blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
}
}
if (blocksize == 0)
super->s_blocks_count /= EXT2_BLOCK_SIZE(super) / 1024;
}
/*
* Helper function for read_bb_file and test_disk
*/
static void invalid_block(ext2_filsys fs, blk_t blk)
{
printf(_("Bad block %u out of range; ignored.\n"), blk);
return;
}
/*
* Reads the bad blocks list from a file
*/
static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list,
const char *bad_blocks_file)
{
FILE *f;
errcode_t retval;
f = fopen(bad_blocks_file, "r");
if (!f) {
com_err("read_bad_blocks_file", errno,
_("while trying to open %s"), bad_blocks_file);
exit(1);
}
retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
fclose (f);
if (retval) {
com_err("ext2fs_read_bb_FILE", retval,
_("while reading in list of bad blocks from file"));
exit(1);
}
}
/*
* Runs the badblocks program to test the disk
*/
static void test_disk(ext2_filsys fs, badblocks_list *bb_list)
{
FILE *f;
errcode_t retval;
char buf[1024];
sprintf(buf, "badblocks -b %d %s%s %d", fs->blocksize,
quiet ? "" : "-s ", fs->device_name,
fs->super->s_blocks_count);
if (verbose)
printf(_("Running command: %s\n"), buf);
f = popen(buf, "r");
if (!f) {
com_err("popen", errno,
_("while trying run '%s'"), buf);
exit(1);
}
retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block);
pclose(f);
if (retval) {
com_err("ext2fs_read_bb_FILE", retval,
_("while processing list of bad blocks from program"));
exit(1);
}
}
static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
{
int i, j;
int must_be_good;
blk_t blk;
badblocks_iterate bb_iter;
errcode_t retval;
blk_t group_block;
int group;
int group_bad;
if (!bb_list)
return;
/*
* The primary superblock and group descriptors *must* be
* good; if not, abort.
*/
must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
if (badblocks_list_test(bb_list, i)) {
fprintf(stderr, _("Block %d in primary "
"superblock/group descriptor area bad.\n"), i);
fprintf(stderr, _("Blocks %d through %d must be good "
"in order to build a filesystem.\n"),
fs->super->s_first_data_block, must_be_good);
fprintf(stderr, _("Aborting....\n"));
exit(1);
}
}
/*
* See if any of the bad blocks are showing up in the backup
* superblocks and/or group descriptors. If so, issue a
* warning and adjust the block counts appropriately.
*/
group_block = fs->super->s_first_data_block +
fs->super->s_blocks_per_group;
for (i = 1; i < fs->group_desc_count; i++) {
group_bad = 0;
for (j=0; j < fs->desc_blocks+1; j++) {
if (badblocks_list_test(bb_list, group_block +
j)) {
if (!group_bad)
fprintf(stderr,
_("Warning: the backup superblock/group descriptors at block %d contain\n"
" bad blocks.\n\n"),
group_block);
group_bad++;
group = ext2fs_group_of_blk(fs, group_block+j);
fs->group_desc[group].bg_free_blocks_count++;
fs->super->s_free_blocks_count++;
}
}
group_block += fs->super->s_blocks_per_group;
}
/*
* Mark all the bad blocks as used...
*/
retval = badblocks_list_iterate_begin(bb_list, &bb_iter);
if (retval) {
com_err("badblocks_list_iterate_begin", retval,
_("while marking bad blocks as used"));
exit(1);
}
while (badblocks_list_iterate(bb_iter, &blk))
ext2fs_mark_block_bitmap(fs->block_map, blk);
badblocks_list_iterate_end(bb_iter);
}
static void write_inode_tables(ext2_filsys fs)
{
errcode_t retval;
blk_t blk;
int i, j, num, count;
char *buf;
char format[20], backup[80];
int sync_kludge = 0;
char *mke2fs_sync;
mke2fs_sync = getenv("MKE2FS_SYNC");
if (mke2fs_sync)
sync_kludge = atoi(mke2fs_sync);
buf = malloc(fs->blocksize * STRIDE_LENGTH);
if (!buf) {
com_err("malloc", ENOMEM,
_("while allocating zeroizing buffer"));
exit(1);
}
memset(buf, 0, fs->blocksize * STRIDE_LENGTH);
/*
* Figure out how many digits we need
*/
i = int_log10(fs->group_desc_count);
sprintf(format, "%%%dd/%%%dld", i, i);
memset(backup, '\b', sizeof(backup)-1);
backup[sizeof(backup)-1] = 0;
if ((2*i)+1 < sizeof(backup))
backup[(2*i)+1] = 0;
if (!quiet)
printf(_("Writing inode tables: "));
for (i = 0; i < fs->group_desc_count; i++) {
if (!quiet)
printf(format, i, fs->group_desc_count);
blk = fs->group_desc[i].bg_inode_table;
num = fs->inode_blocks_per_group;
for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) {
if (num-j > STRIDE_LENGTH)
count = STRIDE_LENGTH;
else
count = num - j;
retval = io_channel_write_blk(fs->io, blk, count, buf);
if (retval)
printf(_("Warning: could not write %d blocks "
"in inode table starting at %d: %s\n"),
count, blk, error_message(retval));
}
if (!quiet)
fputs(backup, stdout);
if (sync_kludge) {
if (sync_kludge == 1)
sync();
else if ((i % sync_kludge) == 0)
sync();
}
}
free(buf);
if (!quiet)
fputs(_("done \n"), stdout);
}
static void create_root_dir(ext2_filsys fs)
{
errcode_t retval;
struct ext2_inode inode;
retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
if (retval) {
com_err("ext2fs_mkdir", retval, _("while creating root dir"));
exit(1);
}
if (geteuid()) {
retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
if (retval) {
com_err("ext2fs_read_inode", retval,
_("while reading root inode"));
exit(1);
}
inode.i_uid = getuid();
if (inode.i_uid)
inode.i_gid = getgid();
retval = ext2fs_write_inode(fs, EXT2_ROOT_INO, &inode);
if (retval) {
com_err("ext2fs_write_inode", retval,
_("while setting root inode ownership"));
exit(1);
}
}
}
static void create_lost_and_found(ext2_filsys fs)
{
errcode_t retval;
ext2_ino_t ino;
const char *name = "lost+found";
int i;
int lpf_size = 0;
retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
if (retval) {
com_err("ext2fs_mkdir", retval,
_("while creating /lost+found"));
exit(1);
}
retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
if (retval) {
com_err("ext2_lookup", retval,
_("while looking up /lost+found"));
exit(1);
}
for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
if ((lpf_size += fs->blocksize) >= 16*1024)
break;
retval = ext2fs_expand_dir(fs, ino);
if (retval) {
com_err("ext2fs_expand_dir", retval,
_("while expanding /lost+found"));
exit(1);
}
}
}
static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list)
{
errcode_t retval;
ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO);
fs->group_desc[0].bg_free_inodes_count--;
fs->super->s_free_inodes_count--;
retval = ext2fs_update_bb_inode(fs, bb_list);
if (retval) {
com_err("ext2fs_update_bb_inode", retval,
_("while setting bad block inode"));
exit(1);
}
}
static void reserve_inodes(ext2_filsys fs)
{
ext2_ino_t i;
int group;
for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) {
ext2fs_mark_inode_bitmap(fs->inode_map, i);
group = ext2fs_group_of_ino(fs, i);
fs->group_desc[group].bg_free_inodes_count--;
fs->super->s_free_inodes_count--;
}
ext2fs_mark_ib_dirty(fs);
}
static void zap_sector(ext2_filsys fs, int sect)
{
char buf[512];
int retval;
memset(buf, 0, 512);
io_channel_set_blksize(fs->io, 512);
retval = io_channel_write_blk(fs->io, sect, -512, buf);
io_channel_set_blksize(fs->io, fs->blocksize);
if (retval)
printf(_("Warning: could not erase sector %d: %s\n"), sect,
error_message(retval));
}
static void show_stats(ext2_filsys fs)
{
struct ext2_super_block *s = fs->super;
char buf[80];
blk_t group_block;
int i, need, col_left;
if (param.s_blocks_count != s->s_blocks_count)
printf(_("warning: %d blocks unused.\n\n"),
param.s_blocks_count - s->s_blocks_count);
memset(buf, 0, sizeof(buf));
strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
printf(_("Filesystem label=%s\n"), buf);
printf(_("OS type: "));
switch (fs->super->s_creator_os) {
case EXT2_OS_LINUX: printf ("Linux"); break;
case EXT2_OS_HURD: printf ("GNU/Hurd"); break;
case EXT2_OS_MASIX: printf ("Masix"); break;
default: printf (_("(unknown os)"));
}
printf("\n");
printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
s->s_log_block_size);
printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize,
s->s_log_frag_size);
printf(_("%u inodes, %u blocks\n"), s->s_inodes_count,
s->s_blocks_count);
printf(_("%u blocks (%2.2f%%) reserved for the super user\n"),
s->s_r_blocks_count,
100.0 * s->s_r_blocks_count / s->s_blocks_count);
printf(_("First data block=%u\n"), s->s_first_data_block);
if (fs->group_desc_count > 1)
printf(_("%lu block groups\n"), fs->group_desc_count);
else
printf(_("%lu block group\n"), fs->group_desc_count);
printf(_("%u blocks per group, %u fragments per group\n"),
s->s_blocks_per_group, s->s_frags_per_group);
printf(_("%u inodes per group\n"), s->s_inodes_per_group);
if (fs->group_desc_count == 1) {
printf("\n");
return;
}
printf(_("Superblock backups stored on blocks: "));
group_block = s->s_first_data_block;
col_left = 0;
for (i = 1; i < fs->group_desc_count; i++) {
group_block += s->s_blocks_per_group;
if (!ext2fs_bg_has_super(fs, i))
continue;
if (i != 1)
printf(", ");
need = int_log10(group_block) + 2;
if (need > col_left) {
printf("\n\t");
col_left = 72;
}
col_left -= need;
printf("%u", group_block);
}
printf("\n\n");
}
/*
* Set the S_CREATOR_OS field. Return true if OS is known,
* otherwise, 0.
*/
static int set_os(struct ext2_super_block *sb, char *os)
{
if (isdigit (*os))
sb->s_creator_os = atoi (os);
else if (strcasecmp(os, "linux") == 0)
sb->s_creator_os = EXT2_OS_LINUX;
else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0)
sb->s_creator_os = EXT2_OS_HURD;
else if (strcasecmp(os, "masix") == 0)
sb->s_creator_os = EXT2_OS_MASIX;
else
return 0;
return 1;
}
#define PATH_SET "PATH=/sbin"
static void parse_raid_opts(const char *opts)
{
char *buf, *token, *next, *p, *arg;
int len;
int raid_usage = 0;
len = strlen(opts);
buf = malloc(len+1);
if (!buf) {
fprintf(stderr, _("Couldn't allocate memory to parse "
"raid options!\n"));
exit(1);
}
strcpy(buf, opts);
for (token = buf; token && *token; token = next) {
p = strchr(token, ',');
next = 0;
if (p) {
*p = 0;
next = p+1;
}
arg = strchr(token, '=');
if (arg) {
*arg = 0;
arg++;
}
if (strcmp(token, "stride") == 0) {
if (!arg) {
raid_usage++;
continue;
}
fs_stride = strtoul(arg, &p, 0);
if (*p || (fs_stride == 0)) {
fprintf(stderr,
_("Invalid stride parameter.\n"));
raid_usage++;
continue;
}
} else
raid_usage++;
}
if (raid_usage) {
fprintf(stderr, _("\nBad raid options specified.\n\n"
"Raid options are separated by commas, "
"and may take an argument which\n"
"\tis set off by an equals ('=') sign.\n\n"
"Valid raid options are:\n"
"\tstride=<stride length in blocks>\n\n"));
exit(1);
}
}
static __u32 ok_features[3] = {
0, /* Compat */
EXT2_FEATURE_INCOMPAT_FILETYPE, /* Incompat */
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */
};
static void PRS(int argc, char *argv[])
{
int c;
int size;
char * tmp;
blk_t group_blk_max = 8192;
int blocksize = 0;
int inode_ratio = 0;
int reserved_ratio = 5;
ext2_ino_t num_inodes = 0;
errcode_t retval;
int sparse_option = 1;
char * oldpath = getenv("PATH");
struct ext2_super_block *param_ext2 = &param;
char * raid_opts = 0;
char * journal_opts = 0;
char * fs_type = 0;
const char * feature_set = "filetype";
blk_t dev_size;
#ifdef linux
struct utsname ut;
if (uname(&ut)) {
perror("uname");
exit(1);
}
if ((ut.release[0] == '1') ||
(ut.release[0] == '2' && ut.release[1] == '.' &&
ut.release[2] < '2' && ut.release[3] == '.'))
feature_set = NULL;
#endif
/* Update our PATH to include /sbin */
if (oldpath) {
char *newpath;
newpath = malloc(sizeof (PATH_SET) + 1 + strlen (oldpath));
strcpy (newpath, PATH_SET);
strcat (newpath, ":");
strcat (newpath, oldpath);
putenv (newpath);
} else
putenv (PATH_SET);
setbuf(stdout, NULL);
setbuf(stderr, NULL);
initialize_ext2_error_table();
memset(&param, 0, sizeof(struct ext2_super_block));
param.s_rev_level = 1; /* Create revision 1 filesystems now */
fprintf (stderr, _("mke2fs %s, %s for EXT2 FS %s, %s\n"),
E2FSPROGS_VERSION, E2FSPROGS_DATE,
EXT2FS_VERSION, EXT2FS_DATE);
if (argc && *argv)
program_name = *argv;
while ((c = getopt (argc, argv,
"b:cf:g:i:j:l:m:no:qr:R:s:tvI:ST:FL:M:N:O:V")) != EOF)
switch (c) {
case 'b':
blocksize = strtoul(optarg, &tmp, 0);
if (blocksize < 1024 || blocksize > 4096 || *tmp) {
com_err(program_name, 0,
_("bad block size - %s"), optarg);
exit(1);
}
param.s_log_block_size =
int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
group_blk_max = blocksize * 8;
break;
case 'c':
case 't': /* Check for bad blocks */
cflag = 1;
break;
case 'f':
size = strtoul(optarg, &tmp, 0);
if (size < 1024 || size > 4096 || *tmp) {
com_err(program_name, 0,
_("bad fragment size - %s"),
optarg);
exit(1);
}
param.s_log_frag_size =
int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE);
printf(_("Warning: fragments not supported. "
"Ignoring -f option\n"));
break;
case 'g':
param.s_blocks_per_group = strtoul(optarg, &tmp, 0);
if (*tmp) {
com_err(program_name, 0,
_("Illegal number for blocks per group"));
exit(1);
}
if ((param.s_blocks_per_group % 8) != 0) {
com_err(program_name, 0,
_("blocks per group must be multiple of 8"));
exit(1);
}
break;
case 'i':
inode_ratio = strtoul(optarg, &tmp, 0);
if (inode_ratio < 1024 || inode_ratio > 256 * 1024 ||
*tmp) {
com_err(program_name, 0,
_("bad inode ratio - %s"), optarg);
exit(1);
}
break;
case 'j':
journal_opts = optarg;
break;
case 'l':
bad_blocks_filename = malloc(strlen(optarg)+1);
if (!bad_blocks_filename) {
com_err(program_name, ENOMEM,
_("in malloc for bad_blocks_filename"));
exit(1);
}
strcpy(bad_blocks_filename, optarg);
break;
case 'm':
reserved_ratio = strtoul(optarg, &tmp, 0);
if (reserved_ratio > 50 || *tmp) {
com_err(program_name, 0,
_("bad reserved blocks percent - %s"),
optarg);
exit(1);
}
break;
case 'n':
noaction++;
break;
case 'o':
creator_os = optarg;
break;
case 'r':
param.s_rev_level = atoi(optarg);
break;
case 's':
sparse_option = atoi(optarg);
break;
#ifdef EXT2_DYNAMIC_REV
case 'I':
param.s_inode_size = atoi(optarg);
break;
#endif
case 'N':
num_inodes = atoi(optarg);
break;
case 'v':
verbose = 1;
break;
case 'q':
quiet = 1;
break;
case 'F':
force = 1;
break;
case 'L':
volume_label = optarg;
break;
case 'M':
mount_dir = optarg;
break;
case 'O':
feature_set = optarg;
break;
case 'R':
raid_opts = optarg;
break;
case 'S':
super_only = 1;
break;
case 'T':
fs_type = optarg;
break;
case 'V':
/* Print version number and exit */
fprintf(stderr, _("\tUsing %s\n"),
error_message(EXT2_ET_BASE));
exit(0);
default:
usage();
}
if (optind == argc)
usage();
device_name = argv[optind];
optind++;
if (optind < argc) {
unsigned long tmp2 = strtoul(argv[optind++], &tmp, 0);
if ((*tmp) || (tmp2 > 0xfffffffful)) {
com_err(program_name, 0, _("bad blocks count - %s"),
argv[optind - 1]);
exit(1);
}
param.s_blocks_count = tmp2;
}
if (optind < argc)
usage();
if (raid_opts)
parse_raid_opts(raid_opts);
if (journal_opts)
parse_journal_opts(journal_opts);
if (!force)
check_plausibility(device_name);
check_mount(device_name, force, _("filesystem"));
param.s_log_frag_size = param.s_log_block_size;
if (noaction && param.s_blocks_count) {
dev_size = param.s_blocks_count;
retval = 0;
} else
retval = ext2fs_get_device_size(device_name,
EXT2_BLOCK_SIZE(&param),
&dev_size);
if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
com_err(program_name, retval,
_("while trying to determine filesystem size"));
exit(1);
}
if (!param.s_blocks_count) {
if (retval == EXT2_ET_UNIMPLEMENTED) {
com_err(program_name, 0,
_("Couldn't determine device size; you "
"must specify\nthe size of the "
"filesystem\n"));
exit(1);
} else {
if (dev_size == 0) {
com_err(program_name, 0,
_("Device size reported to be zero. "
"Invalid partition specified, or\n\t"
"partition table wasn't reread "
"after running fdisk, due to\n\t"
"a modified partition being busy "
"and in use. You may need to reboot\n\t"
"to re-read your partition table.\n"
));
exit(1);
}
param.s_blocks_count = dev_size;
}
} else if (!force && (param.s_blocks_count > dev_size)) {
com_err(program_name, 0,
_("Filesystem larger than apparent filesystem size."));
proceed_question();
}
set_fs_defaults(fs_type, param_ext2, blocksize, &inode_ratio);
if (param.s_blocks_per_group) {
if (param.s_blocks_per_group < 256 ||
param.s_blocks_per_group > group_blk_max || *tmp) {
com_err(program_name, 0,
_("blocks per group count out of range"));
exit(1);
}
}
/*
* Calculate number of inodes based on the inode ratio
*/
param.s_inodes_count = num_inodes ? num_inodes :
((__u64) param.s_blocks_count * EXT2_BLOCK_SIZE(&param))
/ inode_ratio;
/*
* Calculate number of blocks to reserve
*/
param.s_r_blocks_count = (param.s_blocks_count * reserved_ratio) / 100;
/* Turn off features not supported by the earlier filesystem version */
if (param.s_rev_level == 0) {
sparse_option = 0;
feature_set = NULL;
}
if (sparse_option)
param_ext2->s_feature_ro_compat |=
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
if (feature_set && !strncasecmp(feature_set, "none", 4))
feature_set = NULL;
if (feature_set && e2p_edit_feature(feature_set,
&param_ext2->s_feature_compat,
ok_features)) {
fprintf(stderr, _("Invalid filesystem option set: %s\n"),
feature_set);
exit(1);
}
}
int main (int argc, char *argv[])
{
errcode_t retval = 0;
ext2_filsys fs;
badblocks_list bb_list = 0;
int journal_blocks;
#ifdef ENABLE_NLS
setlocale(LC_MESSAGES, "");
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
textdomain(NLS_CAT_NAME);
#endif
PRS(argc, argv);
/*
* Initialize the superblock....
*/
retval = ext2fs_initialize(device_name, 0, &param,
unix_io_manager, &fs);
if (retval) {
com_err(device_name, retval, _("while setting up superblock"));
exit(1);
}
/*
* Wipe out the old on-disk superblock
*/
zap_sector(fs, 2);
/*
* Generate a UUID for it...
*/
uuid_generate(fs->super->s_uuid);
/*
* Override the creator OS, if applicable
*/
if (creator_os && !set_os(fs->super, creator_os)) {
com_err (program_name, 0, _("unknown os - %s"), creator_os);
exit(1);
}
/*
* For the Hurd, we will turn off filetype since it doesn't
* support it.
*/
if (fs->super->s_creator_os == EXT2_OS_HURD)
fs->super->s_feature_incompat &=
~EXT2_FEATURE_INCOMPAT_FILETYPE;
/*
* Set the volume label...
*/
if (volume_label) {
memset(fs->super->s_volume_name, 0,
sizeof(fs->super->s_volume_name));
strncpy(fs->super->s_volume_name, volume_label,
sizeof(fs->super->s_volume_name));
}
/*
* Set the last mount directory
*/
if (mount_dir) {
memset(fs->super->s_last_mounted, 0,
sizeof(fs->super->s_last_mounted));
strncpy(fs->super->s_last_mounted, mount_dir,
sizeof(fs->super->s_last_mounted));
}
if (!quiet || noaction)
show_stats(fs);
if (noaction)
exit(0);
if (bad_blocks_filename)
read_bb_file(fs, &bb_list, bad_blocks_filename);
if (cflag)
test_disk(fs, &bb_list);
handle_bad_blocks(fs, bb_list);
fs->stride = fs_stride;
retval = ext2fs_allocate_tables(fs);
if (retval) {
com_err(program_name, retval,
_("while trying to allocate filesystem tables"));
exit(1);
}
if (super_only) {
fs->super->s_state |= EXT2_ERROR_FS;
fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
} else {
write_inode_tables(fs);
create_root_dir(fs);
create_lost_and_found(fs);
reserve_inodes(fs);
create_bad_block_inode(fs, bb_list);
#ifdef ZAP_BOOTBLOCK
zap_sector(fs, 0);
#endif
}
journal_blocks = journal_size * 1024 / (fs->blocksize / 1024);
if (journal_device) {
if (!force)
check_plausibility(journal_device);
check_mount(journal_device, force, _("journal"));
if (!quiet)
printf(_("Creating journal on device %s: "),
journal_device);
retval = ext2fs_add_journal_device(fs, journal_device,
journal_blocks,
journal_flags);
if(retval) {
com_err (program_name, retval,
_("while trying to create journal on device %s"),
journal_device);
exit(1);
}
if (!quiet)
printf(_("done\n"));
} else if (journal_size) {
if (!quiet)
printf(_("Creating journal (%d blocks): "),
journal_blocks);
retval = ext2fs_add_journal_inode(fs, journal_blocks,
journal_flags);
if (retval) {
com_err (program_name, retval,
_("while trying to create journal"));
exit(1);
}
if (!quiet)
printf(_("done\n"));
}
if (!quiet)
printf(_("Writing superblocks and "
"filesystem accounting information: "));
retval = ext2fs_flush(fs);
if (retval) {
printf(_("\nWarning, had trouble writing out superblocks."));
}
if (!quiet)
printf(_("done\n"));
ext2fs_close(fs);
return 0;
}