mirror of https://github.com/vitalif/e2fsprogs
2707 lines
68 KiB
C
2707 lines
68 KiB
C
/*
|
|
* mke2fs.c - Make a ext2fs filesystem.
|
|
*
|
|
* Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
|
|
* 2003, 2004, 2005 by 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 :-).
|
|
*/
|
|
|
|
#define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX in Solaris */
|
|
|
|
#include "config.h"
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <strings.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
|
|
#include <sys/ioctl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <libgen.h>
|
|
#include <limits.h>
|
|
#include <blkid/blkid.h>
|
|
|
|
#include "ext2fs/ext2_fs.h"
|
|
#include "ext2fs/ext2fsP.h"
|
|
#include "et/com_err.h"
|
|
#include "uuid/uuid.h"
|
|
#include "e2p/e2p.h"
|
|
#include "ext2fs/ext2fs.h"
|
|
#include "util.h"
|
|
#include "profile.h"
|
|
#include "prof_err.h"
|
|
#include "../version.h"
|
|
#include "nls-enable.h"
|
|
#include "quota/mkquota.h"
|
|
|
|
#define STRIDE_LENGTH 8
|
|
|
|
#define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
|
|
|
|
#ifndef __sparc__
|
|
#define ZAP_BOOTBLOCK
|
|
#endif
|
|
|
|
#define DISCARD_STEP_MB (2048)
|
|
|
|
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;
|
|
int verbose;
|
|
int quiet;
|
|
int super_only;
|
|
int discard = 1; /* attempt to discard device before fs creation */
|
|
int direct_io;
|
|
int force;
|
|
int noaction;
|
|
int journal_size;
|
|
int journal_flags;
|
|
int lazy_itable_init;
|
|
char *bad_blocks_filename;
|
|
__u32 fs_stride;
|
|
int quotatype = -1; /* Initialize both user and group quotas by default */
|
|
|
|
struct ext2_super_block fs_param;
|
|
char *fs_uuid = NULL;
|
|
char *creator_os;
|
|
char *volume_label;
|
|
char *mount_dir;
|
|
char *journal_device;
|
|
int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
|
|
char **fs_types;
|
|
|
|
profile_t profile;
|
|
|
|
int sys_page_size = 4096;
|
|
int linux_version_code = 0;
|
|
|
|
static void usage(void)
|
|
{
|
|
fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
|
|
"[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
|
|
"[-J journal-options]\n"
|
|
"\t[-G flex-group-size] [-N number-of-inodes]\n"
|
|
"\t[-m reserved-blocks-percentage] [-o creator-os]\n"
|
|
"\t[-g blocks-per-group] [-L volume-label] "
|
|
"[-M last-mounted-directory]\n\t[-O feature[,...]] "
|
|
"[-r fs-revision] [-E extended-option[,...]]\n"
|
|
"\t[-t fs-type] [-T usage-type ] [-U UUID] "
|
|
"[-jnqvDFKSV] device [blocks-count]\n"),
|
|
program_name);
|
|
exit(1);
|
|
}
|
|
|
|
static int int_log2(unsigned long long arg)
|
|
{
|
|
int l = 0;
|
|
|
|
arg >>= 1;
|
|
while (arg) {
|
|
l++;
|
|
arg >>= 1;
|
|
}
|
|
return l;
|
|
}
|
|
|
|
static int int_log10(unsigned long long arg)
|
|
{
|
|
int l;
|
|
|
|
for (l=0; arg ; l++)
|
|
arg = arg / 10;
|
|
return l;
|
|
}
|
|
|
|
static int parse_version_number(const char *s)
|
|
{
|
|
int major, minor, rev;
|
|
char *endptr;
|
|
const char *cp = s;
|
|
|
|
if (!s)
|
|
return 0;
|
|
major = strtol(cp, &endptr, 10);
|
|
if (cp == endptr || *endptr != '.')
|
|
return 0;
|
|
cp = endptr + 1;
|
|
minor = strtol(cp, &endptr, 10);
|
|
if (cp == endptr || *endptr != '.')
|
|
return 0;
|
|
cp = endptr + 1;
|
|
rev = strtol(cp, &endptr, 10);
|
|
if (cp == endptr)
|
|
return 0;
|
|
return ((((major * 256) + minor) * 256) + rev);
|
|
}
|
|
|
|
/*
|
|
* Helper function for read_bb_file and test_disk
|
|
*/
|
|
static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk)
|
|
{
|
|
fprintf(stderr, _("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 -X %s%s%s %llu", fs->blocksize,
|
|
quiet ? "" : "-s ", (cflag > 1) ? "-w " : "",
|
|
fs->device_name, ext2fs_blocks_count(fs->super)-1);
|
|
if (verbose)
|
|
printf(_("Running command: %s\n"), buf);
|
|
f = popen(buf, "r");
|
|
if (!f) {
|
|
com_err("popen", errno,
|
|
_("while trying to 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)
|
|
{
|
|
dgrp_t i;
|
|
blk_t j;
|
|
unsigned 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 (ext2fs_badblocks_list_test(bb_list, i)) {
|
|
fprintf(stderr, _("Block %d in primary "
|
|
"superblock/group descriptor area bad.\n"), i);
|
|
fprintf(stderr, _("Blocks %u through %u must be good "
|
|
"in order to build a filesystem.\n"),
|
|
fs->super->s_first_data_block, must_be_good);
|
|
fputs(_("Aborting....\n"), stderr);
|
|
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 (ext2fs_badblocks_list_test(bb_list,
|
|
group_block + j)) {
|
|
if (!group_bad)
|
|
fprintf(stderr,
|
|
_("Warning: the backup superblock/group descriptors at block %u contain\n"
|
|
" bad blocks.\n\n"),
|
|
group_block);
|
|
group_bad++;
|
|
group = ext2fs_group_of_blk2(fs, group_block+j);
|
|
ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
|
|
ext2fs_group_desc_csum_set(fs, group);
|
|
ext2fs_free_blocks_count_add(fs->super, 1);
|
|
}
|
|
}
|
|
group_block += fs->super->s_blocks_per_group;
|
|
}
|
|
|
|
/*
|
|
* Mark all the bad blocks as used...
|
|
*/
|
|
retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
|
|
if (retval) {
|
|
com_err("ext2fs_badblocks_list_iterate_begin", retval,
|
|
_("while marking bad blocks as used"));
|
|
exit(1);
|
|
}
|
|
while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
|
|
ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, blk));
|
|
ext2fs_badblocks_list_iterate_end(bb_iter);
|
|
}
|
|
|
|
static void write_reserved_inodes(ext2_filsys fs)
|
|
{
|
|
errcode_t retval;
|
|
ext2_ino_t ino;
|
|
struct ext2_inode *inode;
|
|
|
|
retval = ext2fs_get_mem(EXT2_INODE_SIZE(fs->super), &inode);
|
|
if (retval) {
|
|
com_err("inode_init", retval,
|
|
"while allocating memory");
|
|
exit(1);
|
|
}
|
|
bzero(inode, EXT2_INODE_SIZE(fs->super));
|
|
|
|
for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++)
|
|
ext2fs_write_inode_full(fs, ino, inode,
|
|
EXT2_INODE_SIZE(fs->super));
|
|
|
|
ext2fs_free_mem(&inode);
|
|
}
|
|
|
|
static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
|
|
{
|
|
errcode_t retval;
|
|
blk64_t blk;
|
|
dgrp_t i;
|
|
int num;
|
|
struct ext2fs_numeric_progress_struct progress;
|
|
|
|
ext2fs_numeric_progress_init(fs, &progress,
|
|
_("Writing inode tables: "),
|
|
fs->group_desc_count);
|
|
|
|
for (i = 0; i < fs->group_desc_count; i++) {
|
|
ext2fs_numeric_progress_update(fs, &progress, i);
|
|
|
|
blk = ext2fs_inode_table_loc(fs, i);
|
|
num = fs->inode_blocks_per_group;
|
|
|
|
if (lazy_flag)
|
|
num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
|
|
ext2fs_bg_itable_unused(fs, i)) *
|
|
EXT2_INODE_SIZE(fs->super),
|
|
EXT2_BLOCK_SIZE(fs->super));
|
|
if (!lazy_flag || itable_zeroed) {
|
|
/* The kernel doesn't need to zero the itable blocks */
|
|
ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
|
|
ext2fs_group_desc_csum_set(fs, i);
|
|
}
|
|
retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
|
|
if (retval) {
|
|
fprintf(stderr, _("\nCould not write %d "
|
|
"blocks in inode table starting at %llu: %s\n"),
|
|
num, blk, error_message(retval));
|
|
exit(1);
|
|
}
|
|
if (sync_kludge) {
|
|
if (sync_kludge == 1)
|
|
sync();
|
|
else if ((i % sync_kludge) == 0)
|
|
sync();
|
|
}
|
|
}
|
|
ext2fs_zero_blocks2(0, 0, 0, 0, 0);
|
|
ext2fs_numeric_progress_close(fs, &progress,
|
|
_("done \n"));
|
|
|
|
/* Reserved inodes must always have correct checksums */
|
|
if (fs->super->s_creator_os == EXT2_OS_LINUX &&
|
|
fs->super->s_feature_ro_compat &
|
|
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
|
|
write_reserved_inodes(fs);
|
|
}
|
|
|
|
static void create_root_dir(ext2_filsys fs)
|
|
{
|
|
errcode_t retval;
|
|
struct ext2_inode inode;
|
|
__u32 uid, gid;
|
|
|
|
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);
|
|
}
|
|
uid = getuid();
|
|
inode.i_uid = uid;
|
|
ext2fs_set_i_uid_high(inode, uid >> 16);
|
|
if (uid) {
|
|
gid = getgid();
|
|
inode.i_gid = gid;
|
|
ext2fs_set_i_gid_high(inode, gid >> 16);
|
|
}
|
|
retval = ext2fs_write_new_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)
|
|
{
|
|
unsigned int lpf_size = 0;
|
|
errcode_t retval;
|
|
ext2_ino_t ino;
|
|
const char *name = "lost+found";
|
|
int i;
|
|
|
|
fs->umask = 077;
|
|
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++) {
|
|
/* Ensure that lost+found is at least 2 blocks, so we always
|
|
* test large empty blocks for big-block filesystems. */
|
|
if ((lpf_size += fs->blocksize) >= 16*1024 &&
|
|
lpf_size >= 2 * fs->blocksize)
|
|
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_bitmap2(fs->inode_map, EXT2_BAD_INO);
|
|
ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
|
|
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;
|
|
|
|
for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
|
|
ext2fs_inode_alloc_stats2(fs, i, +1, 0);
|
|
ext2fs_mark_ib_dirty(fs);
|
|
}
|
|
|
|
#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */
|
|
#define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */
|
|
#define BSD_LABEL_OFFSET 64
|
|
|
|
static void zap_sector(ext2_filsys fs, int sect, int nsect)
|
|
{
|
|
char *buf;
|
|
int retval;
|
|
unsigned int *magic;
|
|
|
|
buf = malloc(512*nsect);
|
|
if (!buf) {
|
|
printf(_("Out of memory erasing sectors %d-%d\n"),
|
|
sect, sect + nsect - 1);
|
|
exit(1);
|
|
}
|
|
|
|
if (sect == 0) {
|
|
/* Check for a BSD disklabel, and don't erase it if so */
|
|
retval = io_channel_read_blk64(fs->io, 0, -512, buf);
|
|
if (retval)
|
|
fprintf(stderr,
|
|
_("Warning: could not read block 0: %s\n"),
|
|
error_message(retval));
|
|
else {
|
|
magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
|
|
if ((*magic == BSD_DISKMAGIC) ||
|
|
(*magic == BSD_MAGICDISK))
|
|
return;
|
|
}
|
|
}
|
|
|
|
memset(buf, 0, 512*nsect);
|
|
io_channel_set_blksize(fs->io, 512);
|
|
retval = io_channel_write_blk64(fs->io, sect, -512*nsect, buf);
|
|
io_channel_set_blksize(fs->io, fs->blocksize);
|
|
free(buf);
|
|
if (retval)
|
|
fprintf(stderr, _("Warning: could not erase sector %d: %s\n"),
|
|
sect, error_message(retval));
|
|
}
|
|
|
|
static void create_journal_dev(ext2_filsys fs)
|
|
{
|
|
struct ext2fs_numeric_progress_struct progress;
|
|
errcode_t retval;
|
|
char *buf;
|
|
blk64_t blk, err_blk;
|
|
int c, count, err_count;
|
|
|
|
retval = ext2fs_create_journal_superblock(fs,
|
|
ext2fs_blocks_count(fs->super), 0, &buf);
|
|
if (retval) {
|
|
com_err("create_journal_dev", retval,
|
|
_("while initializing journal superblock"));
|
|
exit(1);
|
|
}
|
|
|
|
if (journal_flags & EXT2_MKJOURNAL_LAZYINIT)
|
|
goto write_superblock;
|
|
|
|
ext2fs_numeric_progress_init(fs, &progress,
|
|
_("Zeroing journal device: "),
|
|
ext2fs_blocks_count(fs->super));
|
|
blk = 0;
|
|
count = ext2fs_blocks_count(fs->super);
|
|
while (count > 0) {
|
|
if (count > 1024)
|
|
c = 1024;
|
|
else
|
|
c = count;
|
|
retval = ext2fs_zero_blocks2(fs, blk, c, &err_blk, &err_count);
|
|
if (retval) {
|
|
com_err("create_journal_dev", retval,
|
|
_("while zeroing journal device "
|
|
"(block %llu, count %d)"),
|
|
err_blk, err_count);
|
|
exit(1);
|
|
}
|
|
blk += c;
|
|
count -= c;
|
|
ext2fs_numeric_progress_update(fs, &progress, blk);
|
|
}
|
|
ext2fs_zero_blocks2(0, 0, 0, 0, 0);
|
|
|
|
ext2fs_numeric_progress_close(fs, &progress, NULL);
|
|
write_superblock:
|
|
retval = io_channel_write_blk64(fs->io,
|
|
fs->super->s_first_data_block+1,
|
|
1, buf);
|
|
if (retval) {
|
|
com_err("create_journal_dev", retval,
|
|
_("while writing journal superblock"));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
static void show_stats(ext2_filsys fs)
|
|
{
|
|
struct ext2_super_block *s = fs->super;
|
|
char buf[80];
|
|
char *os;
|
|
blk64_t group_block;
|
|
dgrp_t i;
|
|
int need, col_left;
|
|
|
|
if (ext2fs_blocks_count(&fs_param) != ext2fs_blocks_count(s))
|
|
fprintf(stderr, _("warning: %llu blocks unused.\n\n"),
|
|
ext2fs_blocks_count(&fs_param) - ext2fs_blocks_count(s));
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name));
|
|
printf(_("Filesystem label=%s\n"), buf);
|
|
os = e2p_os2string(fs->super->s_creator_os);
|
|
if (os)
|
|
printf(_("OS type: %s\n"), os);
|
|
free(os);
|
|
printf(_("Block size=%u (log=%u)\n"), fs->blocksize,
|
|
s->s_log_block_size);
|
|
if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
|
|
EXT4_FEATURE_RO_COMPAT_BIGALLOC))
|
|
printf(_("Cluster size=%u (log=%u)\n"),
|
|
fs->blocksize << fs->cluster_ratio_bits,
|
|
s->s_log_cluster_size);
|
|
else
|
|
printf(_("Fragment size=%u (log=%u)\n"), EXT2_CLUSTER_SIZE(s),
|
|
s->s_log_cluster_size);
|
|
printf(_("Stride=%u blocks, Stripe width=%u blocks\n"),
|
|
s->s_raid_stride, s->s_raid_stripe_width);
|
|
printf(_("%u inodes, %llu blocks\n"), s->s_inodes_count,
|
|
ext2fs_blocks_count(s));
|
|
printf(_("%llu blocks (%2.2f%%) reserved for the super user\n"),
|
|
ext2fs_r_blocks_count(s),
|
|
100.0 * ext2fs_r_blocks_count(s) / ext2fs_blocks_count(s));
|
|
printf(_("First data block=%u\n"), s->s_first_data_block);
|
|
if (s->s_reserved_gdt_blocks)
|
|
printf(_("Maximum filesystem blocks=%lu\n"),
|
|
(s->s_reserved_gdt_blocks + fs->desc_blocks) *
|
|
EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group);
|
|
if (fs->group_desc_count > 1)
|
|
printf(_("%u block groups\n"), fs->group_desc_count);
|
|
else
|
|
printf(_("%u block group\n"), fs->group_desc_count);
|
|
if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
|
|
EXT4_FEATURE_RO_COMPAT_BIGALLOC))
|
|
printf(_("%u blocks per group, %u clusters per group\n"),
|
|
s->s_blocks_per_group, s->s_clusters_per_group);
|
|
else
|
|
printf(_("%u blocks per group, %u fragments per group\n"),
|
|
s->s_blocks_per_group, s->s_clusters_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("%llu", group_block);
|
|
}
|
|
printf("\n\n");
|
|
}
|
|
|
|
/*
|
|
* Returns true if making a file system for the Hurd, else 0
|
|
*/
|
|
static int for_hurd(const char *os)
|
|
{
|
|
if (!os) {
|
|
#ifdef __GNU__
|
|
return 1;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
if (isdigit(*os))
|
|
return (atoi(os) == EXT2_OS_HURD);
|
|
return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
|
|
}
|
|
|
|
/*
|
|
* 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, "freebsd") == 0)
|
|
sb->s_creator_os = EXT2_OS_FREEBSD;
|
|
else if (strcasecmp(os, "lites") == 0)
|
|
sb->s_creator_os = EXT2_OS_LITES;
|
|
else
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
#define PATH_SET "PATH=/sbin"
|
|
|
|
static void parse_extended_opts(struct ext2_super_block *param,
|
|
const char *opts)
|
|
{
|
|
char *buf, *token, *next, *p, *arg, *badopt = 0;
|
|
int len;
|
|
int r_usage = 0;
|
|
|
|
len = strlen(opts);
|
|
buf = malloc(len+1);
|
|
if (!buf) {
|
|
fprintf(stderr,
|
|
_("Couldn't allocate memory to parse 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, "mmp_update_interval") == 0) {
|
|
if (!arg) {
|
|
r_usage++;
|
|
badopt = token;
|
|
continue;
|
|
}
|
|
param->s_mmp_update_interval = strtoul(arg, &p, 0);
|
|
if (*p) {
|
|
fprintf(stderr,
|
|
_("Invalid mmp_update_interval: %s\n"),
|
|
arg);
|
|
r_usage++;
|
|
continue;
|
|
}
|
|
} else if (strcmp(token, "stride") == 0) {
|
|
if (!arg) {
|
|
r_usage++;
|
|
badopt = token;
|
|
continue;
|
|
}
|
|
param->s_raid_stride = strtoul(arg, &p, 0);
|
|
if (*p) {
|
|
fprintf(stderr,
|
|
_("Invalid stride parameter: %s\n"),
|
|
arg);
|
|
r_usage++;
|
|
continue;
|
|
}
|
|
} else if (strcmp(token, "stripe-width") == 0 ||
|
|
strcmp(token, "stripe_width") == 0) {
|
|
if (!arg) {
|
|
r_usage++;
|
|
badopt = token;
|
|
continue;
|
|
}
|
|
param->s_raid_stripe_width = strtoul(arg, &p, 0);
|
|
if (*p) {
|
|
fprintf(stderr,
|
|
_("Invalid stripe-width parameter: %s\n"),
|
|
arg);
|
|
r_usage++;
|
|
continue;
|
|
}
|
|
} else if (!strcmp(token, "resize")) {
|
|
blk64_t resize;
|
|
unsigned long bpg, rsv_groups;
|
|
unsigned long group_desc_count, desc_blocks;
|
|
unsigned int gdpb, blocksize;
|
|
int rsv_gdb;
|
|
|
|
if (!arg) {
|
|
r_usage++;
|
|
badopt = token;
|
|
continue;
|
|
}
|
|
|
|
resize = parse_num_blocks2(arg,
|
|
param->s_log_block_size);
|
|
|
|
if (resize == 0) {
|
|
fprintf(stderr,
|
|
_("Invalid resize parameter: %s\n"),
|
|
arg);
|
|
r_usage++;
|
|
continue;
|
|
}
|
|
if (resize <= ext2fs_blocks_count(param)) {
|
|
fprintf(stderr,
|
|
_("The resize maximum must be greater "
|
|
"than the filesystem size.\n"));
|
|
r_usage++;
|
|
continue;
|
|
}
|
|
|
|
blocksize = EXT2_BLOCK_SIZE(param);
|
|
bpg = param->s_blocks_per_group;
|
|
if (!bpg)
|
|
bpg = blocksize * 8;
|
|
gdpb = EXT2_DESC_PER_BLOCK(param);
|
|
group_desc_count = (__u32) ext2fs_div64_ceil(
|
|
ext2fs_blocks_count(param), bpg);
|
|
desc_blocks = (group_desc_count +
|
|
gdpb - 1) / gdpb;
|
|
rsv_groups = ext2fs_div64_ceil(resize, bpg);
|
|
rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) -
|
|
desc_blocks;
|
|
if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param))
|
|
rsv_gdb = EXT2_ADDR_PER_BLOCK(param);
|
|
|
|
if (rsv_gdb > 0) {
|
|
if (param->s_rev_level == EXT2_GOOD_OLD_REV) {
|
|
fprintf(stderr,
|
|
_("On-line resizing not supported with revision 0 filesystems\n"));
|
|
free(buf);
|
|
exit(1);
|
|
}
|
|
param->s_feature_compat |=
|
|
EXT2_FEATURE_COMPAT_RESIZE_INODE;
|
|
|
|
param->s_reserved_gdt_blocks = rsv_gdb;
|
|
}
|
|
} else if (!strcmp(token, "test_fs")) {
|
|
param->s_flags |= EXT2_FLAGS_TEST_FILESYS;
|
|
} else if (!strcmp(token, "lazy_itable_init")) {
|
|
if (arg)
|
|
lazy_itable_init = strtoul(arg, &p, 0);
|
|
else
|
|
lazy_itable_init = 1;
|
|
} else if (!strcmp(token, "lazy_journal_init")) {
|
|
if (arg)
|
|
journal_flags |= strtoul(arg, &p, 0) ?
|
|
EXT2_MKJOURNAL_LAZYINIT : 0;
|
|
else
|
|
journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
|
|
} else if (!strcmp(token, "discard")) {
|
|
discard = 1;
|
|
} else if (!strcmp(token, "nodiscard")) {
|
|
discard = 0;
|
|
} else if (!strcmp(token, "quotatype")) {
|
|
if (!arg) {
|
|
r_usage++;
|
|
badopt = token;
|
|
continue;
|
|
}
|
|
if (!strncmp(arg, "usr", 3)) {
|
|
quotatype = 0;
|
|
} else if (!strncmp(arg, "grp", 3)) {
|
|
quotatype = 1;
|
|
} else {
|
|
fprintf(stderr,
|
|
_("Invalid quotatype parameter: %s\n"),
|
|
arg);
|
|
r_usage++;
|
|
continue;
|
|
}
|
|
} else {
|
|
r_usage++;
|
|
badopt = token;
|
|
}
|
|
}
|
|
if (r_usage) {
|
|
fprintf(stderr, _("\nBad option(s) specified: %s\n\n"
|
|
"Extended options are separated by commas, "
|
|
"and may take an argument which\n"
|
|
"\tis set off by an equals ('=') sign.\n\n"
|
|
"Valid extended options are:\n"
|
|
"\tstride=<RAID per-disk data chunk in blocks>\n"
|
|
"\tstripe-width=<RAID stride * data disks in blocks>\n"
|
|
"\tresize=<resize maximum size in blocks>\n"
|
|
"\tlazy_itable_init=<0 to disable, 1 to enable>\n"
|
|
"\tlazy_journal_init=<0 to disable, 1 to enable>\n"
|
|
"\ttest_fs\n"
|
|
"\tdiscard\n"
|
|
"\tnodiscard\n"
|
|
"\tquotatype=<usr OR grp>\n\n"),
|
|
badopt ? badopt : "");
|
|
free(buf);
|
|
exit(1);
|
|
}
|
|
if (param->s_raid_stride &&
|
|
(param->s_raid_stripe_width % param->s_raid_stride) != 0)
|
|
fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even "
|
|
"multiple of stride %u.\n\n"),
|
|
param->s_raid_stripe_width, param->s_raid_stride);
|
|
|
|
free(buf);
|
|
}
|
|
|
|
static __u32 ok_features[3] = {
|
|
/* Compat */
|
|
EXT3_FEATURE_COMPAT_HAS_JOURNAL |
|
|
EXT2_FEATURE_COMPAT_RESIZE_INODE |
|
|
EXT2_FEATURE_COMPAT_DIR_INDEX |
|
|
EXT2_FEATURE_COMPAT_EXT_ATTR,
|
|
/* Incompat */
|
|
EXT2_FEATURE_INCOMPAT_FILETYPE|
|
|
EXT3_FEATURE_INCOMPAT_EXTENTS|
|
|
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
|
|
EXT2_FEATURE_INCOMPAT_META_BG|
|
|
EXT4_FEATURE_INCOMPAT_FLEX_BG|
|
|
EXT4_FEATURE_INCOMPAT_MMP |
|
|
EXT4_FEATURE_INCOMPAT_64BIT,
|
|
/* R/O compat */
|
|
EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
|
|
EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
|
|
EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
|
|
EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
|
|
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|
|
|
EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
|
|
EXT4_FEATURE_RO_COMPAT_BIGALLOC|
|
|
#ifdef CONFIG_QUOTA
|
|
EXT4_FEATURE_RO_COMPAT_QUOTA|
|
|
#endif
|
|
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
|
|
};
|
|
|
|
|
|
static void syntax_err_report(const char *filename, long err, int line_num)
|
|
{
|
|
fprintf(stderr,
|
|
_("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"),
|
|
filename, line_num, error_message(err));
|
|
exit(1);
|
|
}
|
|
|
|
static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 };
|
|
|
|
static void edit_feature(const char *str, __u32 *compat_array)
|
|
{
|
|
if (!str)
|
|
return;
|
|
|
|
if (e2p_edit_feature(str, compat_array, ok_features)) {
|
|
fprintf(stderr, _("Invalid filesystem option set: %s\n"),
|
|
str);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
static void edit_mntopts(const char *str, __u32 *mntopts)
|
|
{
|
|
if (!str)
|
|
return;
|
|
|
|
if (e2p_edit_mntopts(str, mntopts, ~0)) {
|
|
fprintf(stderr, _("Invalid mount option set: %s\n"),
|
|
str);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
struct str_list {
|
|
char **list;
|
|
int num;
|
|
int max;
|
|
};
|
|
|
|
static errcode_t init_list(struct str_list *sl)
|
|
{
|
|
sl->num = 0;
|
|
sl->max = 0;
|
|
sl->list = malloc((sl->max+1) * sizeof(char *));
|
|
if (!sl->list)
|
|
return ENOMEM;
|
|
sl->list[0] = 0;
|
|
return 0;
|
|
}
|
|
|
|
static errcode_t push_string(struct str_list *sl, const char *str)
|
|
{
|
|
char **new_list;
|
|
|
|
if (sl->num >= sl->max) {
|
|
sl->max += 2;
|
|
new_list = realloc(sl->list, (sl->max+1) * sizeof(char *));
|
|
if (!new_list)
|
|
return ENOMEM;
|
|
sl->list = new_list;
|
|
}
|
|
sl->list[sl->num] = malloc(strlen(str)+1);
|
|
if (sl->list[sl->num] == 0)
|
|
return ENOMEM;
|
|
strcpy(sl->list[sl->num], str);
|
|
sl->num++;
|
|
sl->list[sl->num] = 0;
|
|
return 0;
|
|
}
|
|
|
|
static void print_str_list(char **list)
|
|
{
|
|
char **cpp;
|
|
|
|
for (cpp = list; *cpp; cpp++) {
|
|
printf("'%s'", *cpp);
|
|
if (cpp[1])
|
|
fputs(", ", stdout);
|
|
}
|
|
fputc('\n', stdout);
|
|
}
|
|
|
|
/*
|
|
* Return TRUE if the profile has the given subsection
|
|
*/
|
|
static int profile_has_subsection(profile_t profile, const char *section,
|
|
const char *subsection)
|
|
{
|
|
void *state;
|
|
const char *names[4];
|
|
char *name;
|
|
int ret = 0;
|
|
|
|
names[0] = section;
|
|
names[1] = subsection;
|
|
names[2] = 0;
|
|
|
|
if (profile_iterator_create(profile, names,
|
|
PROFILE_ITER_LIST_SECTION |
|
|
PROFILE_ITER_RELATIONS_ONLY, &state))
|
|
return 0;
|
|
|
|
if ((profile_iterator(&state, &name, 0) == 0) && name) {
|
|
free(name);
|
|
ret = 1;
|
|
}
|
|
|
|
profile_iterator_free(&state);
|
|
return ret;
|
|
}
|
|
|
|
static char **parse_fs_type(const char *fs_type,
|
|
const char *usage_types,
|
|
struct ext2_super_block *fs_param,
|
|
blk64_t fs_blocks_count,
|
|
char *progname)
|
|
{
|
|
const char *ext_type = 0;
|
|
char *parse_str;
|
|
char *profile_type = 0;
|
|
char *cp, *t;
|
|
const char *size_type;
|
|
struct str_list list;
|
|
unsigned long long meg;
|
|
int is_hurd = for_hurd(creator_os);
|
|
|
|
if (init_list(&list))
|
|
return 0;
|
|
|
|
if (fs_type)
|
|
ext_type = fs_type;
|
|
else if (is_hurd)
|
|
ext_type = "ext2";
|
|
else if (!strcmp(program_name, "mke3fs"))
|
|
ext_type = "ext3";
|
|
else if (!strcmp(program_name, "mke4fs"))
|
|
ext_type = "ext4";
|
|
else if (progname) {
|
|
ext_type = strrchr(progname, '/');
|
|
if (ext_type)
|
|
ext_type++;
|
|
else
|
|
ext_type = progname;
|
|
|
|
if (!strncmp(ext_type, "mkfs.", 5)) {
|
|
ext_type += 5;
|
|
if (ext_type[0] == 0)
|
|
ext_type = 0;
|
|
} else
|
|
ext_type = 0;
|
|
}
|
|
|
|
if (!ext_type) {
|
|
profile_get_string(profile, "defaults", "fs_type", 0,
|
|
"ext2", &profile_type);
|
|
ext_type = profile_type;
|
|
if (!strcmp(ext_type, "ext2") && (journal_size != 0))
|
|
ext_type = "ext3";
|
|
}
|
|
|
|
|
|
if (!profile_has_subsection(profile, "fs_types", ext_type) &&
|
|
strcmp(ext_type, "ext2")) {
|
|
printf(_("\nYour mke2fs.conf file does not define the "
|
|
"%s filesystem type.\n"), ext_type);
|
|
if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") ||
|
|
!strcmp(ext_type, "ext4dev")) {
|
|
printf(_("You probably need to install an updated "
|
|
"mke2fs.conf file.\n\n"));
|
|
}
|
|
if (!force) {
|
|
printf(_("Aborting...\n"));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param);
|
|
if (fs_blocks_count < 3 * meg)
|
|
size_type = "floppy";
|
|
else if (fs_blocks_count < 512 * meg)
|
|
size_type = "small";
|
|
else if (fs_blocks_count < 4 * 1024 * 1024 * meg)
|
|
size_type = "default";
|
|
else if (fs_blocks_count < 16 * 1024 * 1024 * meg)
|
|
size_type = "big";
|
|
else
|
|
size_type = "huge";
|
|
|
|
if (!usage_types)
|
|
usage_types = size_type;
|
|
|
|
parse_str = malloc(strlen(usage_types)+1);
|
|
if (!parse_str) {
|
|
free(list.list);
|
|
return 0;
|
|
}
|
|
strcpy(parse_str, usage_types);
|
|
|
|
if (ext_type)
|
|
push_string(&list, ext_type);
|
|
cp = parse_str;
|
|
while (1) {
|
|
t = strchr(cp, ',');
|
|
if (t)
|
|
*t = '\0';
|
|
|
|
if (*cp) {
|
|
if (profile_has_subsection(profile, "fs_types", cp))
|
|
push_string(&list, cp);
|
|
else if (strcmp(cp, "default") != 0)
|
|
fprintf(stderr,
|
|
_("\nWarning: the fs_type %s is not "
|
|
"defined in mke2fs.conf\n\n"),
|
|
cp);
|
|
}
|
|
if (t)
|
|
cp = t+1;
|
|
else {
|
|
cp = "";
|
|
break;
|
|
}
|
|
}
|
|
free(parse_str);
|
|
free(profile_type);
|
|
if (is_hurd)
|
|
push_string(&list, "hurd");
|
|
return (list.list);
|
|
}
|
|
|
|
static char *get_string_from_profile(char **fs_types, const char *opt,
|
|
const char *def_val)
|
|
{
|
|
char *ret = 0;
|
|
int i;
|
|
|
|
for (i=0; fs_types[i]; i++);
|
|
for (i-=1; i >=0 ; i--) {
|
|
profile_get_string(profile, "fs_types", fs_types[i],
|
|
opt, 0, &ret);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
profile_get_string(profile, "defaults", opt, 0, def_val, &ret);
|
|
return (ret);
|
|
}
|
|
|
|
static int get_int_from_profile(char **fs_types, const char *opt, int def_val)
|
|
{
|
|
int ret;
|
|
char **cpp;
|
|
|
|
profile_get_integer(profile, "defaults", opt, 0, def_val, &ret);
|
|
for (cpp = fs_types; *cpp; cpp++)
|
|
profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret);
|
|
return ret;
|
|
}
|
|
|
|
static double get_double_from_profile(char **fs_types, const char *opt,
|
|
double def_val)
|
|
{
|
|
double ret;
|
|
char **cpp;
|
|
|
|
profile_get_double(profile, "defaults", opt, 0, def_val, &ret);
|
|
for (cpp = fs_types; *cpp; cpp++)
|
|
profile_get_double(profile, "fs_types", *cpp, opt, ret, &ret);
|
|
return ret;
|
|
}
|
|
|
|
static int get_bool_from_profile(char **fs_types, const char *opt, int def_val)
|
|
{
|
|
int ret;
|
|
char **cpp;
|
|
|
|
profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret);
|
|
for (cpp = fs_types; *cpp; cpp++)
|
|
profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret);
|
|
return ret;
|
|
}
|
|
|
|
extern const char *mke2fs_default_profile;
|
|
static const char *default_files[] = { "<default>", 0 };
|
|
|
|
#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
|
|
/*
|
|
* Sets the geometry of a device (stripe/stride), and returns the
|
|
* device's alignment offset, if any, or a negative error.
|
|
*/
|
|
static int get_device_geometry(const char *file,
|
|
struct ext2_super_block *fs_param,
|
|
int psector_size)
|
|
{
|
|
int rc = -1;
|
|
int blocksize;
|
|
blkid_probe pr;
|
|
blkid_topology tp;
|
|
unsigned long min_io;
|
|
unsigned long opt_io;
|
|
struct stat statbuf;
|
|
|
|
/* Nothing to do for a regular file */
|
|
if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode))
|
|
return 0;
|
|
|
|
pr = blkid_new_probe_from_filename(file);
|
|
if (!pr)
|
|
goto out;
|
|
|
|
tp = blkid_probe_get_topology(pr);
|
|
if (!tp)
|
|
goto out;
|
|
|
|
min_io = blkid_topology_get_minimum_io_size(tp);
|
|
opt_io = blkid_topology_get_optimal_io_size(tp);
|
|
blocksize = EXT2_BLOCK_SIZE(fs_param);
|
|
if ((min_io == 0) && (psector_size > blocksize))
|
|
min_io = psector_size;
|
|
if ((opt_io == 0) && min_io)
|
|
opt_io = min_io;
|
|
if ((opt_io == 0) && (psector_size > blocksize))
|
|
opt_io = psector_size;
|
|
|
|
/* setting stripe/stride to blocksize is pointless */
|
|
if (min_io > blocksize)
|
|
fs_param->s_raid_stride = min_io / blocksize;
|
|
if (opt_io > blocksize)
|
|
fs_param->s_raid_stripe_width = opt_io / blocksize;
|
|
|
|
rc = blkid_topology_get_alignment_offset(tp);
|
|
out:
|
|
blkid_free_probe(pr);
|
|
return rc;
|
|
}
|
|
#endif
|
|
|
|
static void PRS(int argc, char *argv[])
|
|
{
|
|
int b, c;
|
|
int cluster_size = 0;
|
|
char *tmp, **cpp;
|
|
int blocksize = 0;
|
|
int inode_ratio = 0;
|
|
int inode_size = 0;
|
|
unsigned long flex_bg_size = 0;
|
|
double reserved_ratio = -1.0;
|
|
int lsector_size = 0, psector_size = 0;
|
|
int show_version_only = 0;
|
|
unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
|
|
errcode_t retval;
|
|
char * oldpath = getenv("PATH");
|
|
char * extended_opts = 0;
|
|
char * fs_type = 0;
|
|
char * usage_types = 0;
|
|
blk64_t dev_size;
|
|
blk64_t fs_blocks_count = 0;
|
|
#ifdef __linux__
|
|
struct utsname ut;
|
|
#endif
|
|
long sysval;
|
|
int s_opt = -1, r_opt = -1;
|
|
char *fs_features = 0;
|
|
int use_bsize;
|
|
char *newpath;
|
|
int pathlen = sizeof(PATH_SET) + 1;
|
|
|
|
if (oldpath)
|
|
pathlen += strlen(oldpath);
|
|
newpath = malloc(pathlen);
|
|
if (!newpath) {
|
|
fprintf(stderr, _("Couldn't allocate memory for new PATH.\n"));
|
|
exit(1);
|
|
}
|
|
strcpy(newpath, PATH_SET);
|
|
|
|
/* Update our PATH to include /sbin */
|
|
if (oldpath) {
|
|
strcat (newpath, ":");
|
|
strcat (newpath, oldpath);
|
|
}
|
|
putenv (newpath);
|
|
|
|
tmp = getenv("MKE2FS_SYNC");
|
|
if (tmp)
|
|
sync_kludge = atoi(tmp);
|
|
|
|
/* Determine the system page size if possible */
|
|
#ifdef HAVE_SYSCONF
|
|
#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
|
|
#define _SC_PAGESIZE _SC_PAGE_SIZE
|
|
#endif
|
|
#ifdef _SC_PAGESIZE
|
|
sysval = sysconf(_SC_PAGESIZE);
|
|
if (sysval > 0)
|
|
sys_page_size = sysval;
|
|
#endif /* _SC_PAGESIZE */
|
|
#endif /* HAVE_SYSCONF */
|
|
|
|
if ((tmp = getenv("MKE2FS_CONFIG")) != NULL)
|
|
config_fn[0] = tmp;
|
|
profile_set_syntax_err_cb(syntax_err_report);
|
|
retval = profile_init(config_fn, &profile);
|
|
if (retval == ENOENT) {
|
|
retval = profile_init(default_files, &profile);
|
|
if (retval)
|
|
goto profile_error;
|
|
retval = profile_set_default(profile, mke2fs_default_profile);
|
|
if (retval)
|
|
goto profile_error;
|
|
} else if (retval) {
|
|
profile_error:
|
|
fprintf(stderr, _("Couldn't init profile successfully"
|
|
" (error: %ld).\n"), retval);
|
|
exit(1);
|
|
}
|
|
|
|
setbuf(stdout, NULL);
|
|
setbuf(stderr, NULL);
|
|
add_error_table(&et_ext2_error_table);
|
|
add_error_table(&et_prof_error_table);
|
|
memset(&fs_param, 0, sizeof(struct ext2_super_block));
|
|
fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */
|
|
|
|
#ifdef __linux__
|
|
if (uname(&ut)) {
|
|
perror("uname");
|
|
exit(1);
|
|
}
|
|
linux_version_code = parse_version_number(ut.release);
|
|
if (linux_version_code && linux_version_code < (2*65536 + 2*256))
|
|
fs_param.s_rev_level = 0;
|
|
#endif
|
|
|
|
if (argc && *argv) {
|
|
program_name = get_progname(*argv);
|
|
|
|
/* If called as mkfs.ext3, create a journal inode */
|
|
if (!strcmp(program_name, "mkfs.ext3") ||
|
|
!strcmp(program_name, "mke3fs"))
|
|
journal_size = -1;
|
|
}
|
|
|
|
while ((c = getopt (argc, argv,
|
|
"b:cg:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:V")) != EOF) {
|
|
switch (c) {
|
|
case 'b':
|
|
blocksize = strtol(optarg, &tmp, 0);
|
|
b = (blocksize > 0) ? blocksize : -blocksize;
|
|
if (b < EXT2_MIN_BLOCK_SIZE ||
|
|
b > EXT2_MAX_BLOCK_SIZE || *tmp) {
|
|
com_err(program_name, 0,
|
|
_("invalid block size - %s"), optarg);
|
|
exit(1);
|
|
}
|
|
if (blocksize > 4096)
|
|
fprintf(stderr, _("Warning: blocksize %d not "
|
|
"usable on most systems.\n"),
|
|
blocksize);
|
|
if (blocksize > 0)
|
|
fs_param.s_log_block_size =
|
|
int_log2(blocksize >>
|
|
EXT2_MIN_BLOCK_LOG_SIZE);
|
|
break;
|
|
case 'c': /* Check for bad blocks */
|
|
cflag++;
|
|
break;
|
|
case 'C':
|
|
cluster_size = strtoul(optarg, &tmp, 0);
|
|
if (cluster_size < EXT2_MIN_CLUSTER_SIZE ||
|
|
cluster_size > EXT2_MAX_CLUSTER_SIZE || *tmp) {
|
|
com_err(program_name, 0,
|
|
_("invalid cluster size - %s"),
|
|
optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'D':
|
|
direct_io = 1;
|
|
break;
|
|
case 'g':
|
|
fs_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 ((fs_param.s_blocks_per_group % 8) != 0) {
|
|
com_err(program_name, 0,
|
|
_("blocks per group must be multiple of 8"));
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'G':
|
|
flex_bg_size = strtoul(optarg, &tmp, 0);
|
|
if (*tmp) {
|
|
com_err(program_name, 0,
|
|
_("Illegal number for flex_bg size"));
|
|
exit(1);
|
|
}
|
|
if (flex_bg_size < 1 ||
|
|
(flex_bg_size & (flex_bg_size-1)) != 0) {
|
|
com_err(program_name, 0,
|
|
_("flex_bg size must be a power of 2"));
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'i':
|
|
inode_ratio = strtoul(optarg, &tmp, 0);
|
|
if (inode_ratio < EXT2_MIN_BLOCK_SIZE ||
|
|
inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 ||
|
|
*tmp) {
|
|
com_err(program_name, 0,
|
|
_("invalid inode ratio %s (min %d/max %d)"),
|
|
optarg, EXT2_MIN_BLOCK_SIZE,
|
|
EXT2_MAX_BLOCK_SIZE * 1024);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'J':
|
|
parse_journal_opts(optarg);
|
|
break;
|
|
case 'K':
|
|
fprintf(stderr, _("Warning: -K option is deprecated and "
|
|
"should not be used anymore. Use "
|
|
"\'-E nodiscard\' extended option "
|
|
"instead!\n"));
|
|
discard = 0;
|
|
break;
|
|
case 'j':
|
|
if (!journal_size)
|
|
journal_size = -1;
|
|
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 = strtod(optarg, &tmp);
|
|
if ( *tmp || reserved_ratio > 50 ||
|
|
reserved_ratio < 0) {
|
|
com_err(program_name, 0,
|
|
_("invalid reserved blocks percent - %s"),
|
|
optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'n':
|
|
noaction++;
|
|
break;
|
|
case 'o':
|
|
creator_os = optarg;
|
|
break;
|
|
case 'q':
|
|
quiet = 1;
|
|
break;
|
|
case 'r':
|
|
r_opt = strtoul(optarg, &tmp, 0);
|
|
if (*tmp) {
|
|
com_err(program_name, 0,
|
|
_("bad revision level - %s"), optarg);
|
|
exit(1);
|
|
}
|
|
fs_param.s_rev_level = r_opt;
|
|
break;
|
|
case 's': /* deprecated */
|
|
s_opt = atoi(optarg);
|
|
break;
|
|
case 'I':
|
|
inode_size = strtoul(optarg, &tmp, 0);
|
|
if (*tmp) {
|
|
com_err(program_name, 0,
|
|
_("invalid inode size - %s"), optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case 'F':
|
|
force++;
|
|
break;
|
|
case 'L':
|
|
volume_label = optarg;
|
|
break;
|
|
case 'M':
|
|
mount_dir = optarg;
|
|
break;
|
|
case 'N':
|
|
num_inodes = strtoul(optarg, &tmp, 0);
|
|
if (*tmp) {
|
|
com_err(program_name, 0,
|
|
_("bad num inodes - %s"), optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'O':
|
|
fs_features = optarg;
|
|
break;
|
|
case 'E':
|
|
case 'R':
|
|
extended_opts = optarg;
|
|
break;
|
|
case 'S':
|
|
super_only = 1;
|
|
break;
|
|
case 't':
|
|
if (fs_type) {
|
|
com_err(program_name, 0,
|
|
_("The -t option may only be used once"));
|
|
exit(1);
|
|
}
|
|
fs_type = strdup(optarg);
|
|
break;
|
|
case 'T':
|
|
if (usage_types) {
|
|
com_err(program_name, 0,
|
|
_("The -T option may only be used once"));
|
|
exit(1);
|
|
}
|
|
usage_types = strdup(optarg);
|
|
break;
|
|
case 'U':
|
|
fs_uuid = optarg;
|
|
break;
|
|
case 'V':
|
|
/* Print version number and exit */
|
|
show_version_only++;
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
if ((optind == argc) && !show_version_only)
|
|
usage();
|
|
device_name = argv[optind++];
|
|
|
|
if (!quiet || show_version_only)
|
|
fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION,
|
|
E2FSPROGS_DATE);
|
|
|
|
if (show_version_only) {
|
|
fprintf(stderr, _("\tUsing %s\n"),
|
|
error_message(EXT2_ET_BASE));
|
|
exit(0);
|
|
}
|
|
|
|
/*
|
|
* If there's no blocksize specified and there is a journal
|
|
* device, use it to figure out the blocksize
|
|
*/
|
|
if (blocksize <= 0 && journal_device) {
|
|
ext2_filsys jfs;
|
|
io_manager io_ptr;
|
|
|
|
#ifdef CONFIG_TESTIO_DEBUG
|
|
if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
|
|
io_ptr = test_io_manager;
|
|
test_io_backing_manager = unix_io_manager;
|
|
} else
|
|
#endif
|
|
io_ptr = unix_io_manager;
|
|
retval = ext2fs_open(journal_device,
|
|
EXT2_FLAG_JOURNAL_DEV_OK, 0,
|
|
0, io_ptr, &jfs);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while trying to open journal device %s\n"),
|
|
journal_device);
|
|
exit(1);
|
|
}
|
|
if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) {
|
|
com_err(program_name, 0,
|
|
_("Journal dev blocksize (%d) smaller than "
|
|
"minimum blocksize %d\n"), jfs->blocksize,
|
|
-blocksize);
|
|
exit(1);
|
|
}
|
|
blocksize = jfs->blocksize;
|
|
printf(_("Using journal device's blocksize: %d\n"), blocksize);
|
|
fs_param.s_log_block_size =
|
|
int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
|
|
ext2fs_close(jfs);
|
|
}
|
|
|
|
if (optind < argc) {
|
|
fs_blocks_count = parse_num_blocks2(argv[optind++],
|
|
fs_param.s_log_block_size);
|
|
if (!fs_blocks_count) {
|
|
com_err(program_name, 0,
|
|
_("invalid blocks '%s' on device '%s'"),
|
|
argv[optind - 1], device_name);
|
|
exit(1);
|
|
}
|
|
}
|
|
if (optind < argc)
|
|
usage();
|
|
|
|
if (!force)
|
|
check_plausibility(device_name);
|
|
check_mount(device_name, force, _("filesystem"));
|
|
|
|
/* Determine the size of the device (if possible) */
|
|
if (noaction && fs_blocks_count) {
|
|
dev_size = fs_blocks_count;
|
|
retval = 0;
|
|
} else
|
|
retval = ext2fs_get_device_size2(device_name,
|
|
EXT2_BLOCK_SIZE(&fs_param),
|
|
&dev_size);
|
|
|
|
if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
|
|
com_err(program_name, retval,
|
|
_("while trying to determine filesystem size"));
|
|
exit(1);
|
|
}
|
|
if (!fs_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);
|
|
}
|
|
fs_blocks_count = dev_size;
|
|
if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param))
|
|
fs_blocks_count &= ~((blk64_t) ((sys_page_size /
|
|
EXT2_BLOCK_SIZE(&fs_param))-1));
|
|
}
|
|
} else if (!force && (fs_blocks_count > dev_size)) {
|
|
com_err(program_name, 0,
|
|
_("Filesystem larger than apparent device size."));
|
|
proceed_question();
|
|
}
|
|
|
|
if (!fs_type)
|
|
profile_get_string(profile, "devices", device_name,
|
|
"fs_type", 0, &fs_type);
|
|
if (!usage_types)
|
|
profile_get_string(profile, "devices", device_name,
|
|
"usage_types", 0, &usage_types);
|
|
|
|
/*
|
|
* We have the file system (or device) size, so we can now
|
|
* determine the appropriate file system types so the fs can
|
|
* be appropriately configured.
|
|
*/
|
|
fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
|
|
fs_blocks_count ? fs_blocks_count : dev_size,
|
|
argv[0]);
|
|
if (!fs_types) {
|
|
fprintf(stderr, _("Failed to parse fs types list\n"));
|
|
exit(1);
|
|
}
|
|
|
|
/* Figure out what features should be enabled */
|
|
|
|
tmp = NULL;
|
|
if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) {
|
|
tmp = get_string_from_profile(fs_types, "base_features",
|
|
"sparse_super,filetype,resize_inode,dir_index");
|
|
edit_feature(tmp, &fs_param.s_feature_compat);
|
|
free(tmp);
|
|
|
|
/* And which mount options as well */
|
|
tmp = get_string_from_profile(fs_types, "default_mntopts",
|
|
"acl,user_xattr");
|
|
edit_mntopts(tmp, &fs_param.s_default_mount_opts);
|
|
if (tmp)
|
|
free(tmp);
|
|
|
|
for (cpp = fs_types; *cpp; cpp++) {
|
|
tmp = NULL;
|
|
profile_get_string(profile, "fs_types", *cpp,
|
|
"features", "", &tmp);
|
|
if (tmp && *tmp)
|
|
edit_feature(tmp, &fs_param.s_feature_compat);
|
|
if (tmp)
|
|
free(tmp);
|
|
}
|
|
tmp = get_string_from_profile(fs_types, "default_features",
|
|
"");
|
|
}
|
|
/* Mask off features which aren't supported by the Hurd */
|
|
if (for_hurd(creator_os)) {
|
|
fs_param.s_feature_incompat &= ~EXT2_FEATURE_INCOMPAT_FILETYPE;
|
|
fs_param.s_feature_ro_compat &=
|
|
~(EXT4_FEATURE_RO_COMPAT_HUGE_FILE |
|
|
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
|
|
}
|
|
edit_feature(fs_features ? fs_features : tmp,
|
|
&fs_param.s_feature_compat);
|
|
if (tmp)
|
|
free(tmp);
|
|
/*
|
|
* If the user specified features incompatible with the Hurd, complain
|
|
*/
|
|
if (for_hurd(creator_os)) {
|
|
if (fs_param.s_feature_incompat &
|
|
EXT2_FEATURE_INCOMPAT_FILETYPE) {
|
|
fprintf(stderr, _("The HURD does not support the "
|
|
"filetype feature.\n"));
|
|
exit(1);
|
|
}
|
|
if (fs_param.s_feature_ro_compat &
|
|
EXT4_FEATURE_RO_COMPAT_HUGE_FILE) {
|
|
fprintf(stderr, _("The HURD does not support the "
|
|
"huge_file feature.\n"));
|
|
exit(1);
|
|
}
|
|
if (fs_param.s_feature_ro_compat &
|
|
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) {
|
|
fprintf(stderr, _("The HURD does not support the "
|
|
"metadata_csum feature.\n"));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We now need to do a sanity check of fs_blocks_count for
|
|
* 32-bit vs 64-bit block number support.
|
|
*/
|
|
if ((fs_blocks_count > MAX_32_NUM) && (blocksize == 0)) {
|
|
fs_blocks_count /= 4; /* Try using a 4k blocksize */
|
|
blocksize = 4096;
|
|
fs_param.s_log_block_size = 2;
|
|
}
|
|
if ((fs_blocks_count > MAX_32_NUM) &&
|
|
!(fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) &&
|
|
get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
|
|
fs_param.s_feature_incompat |= EXT4_FEATURE_INCOMPAT_64BIT;
|
|
fs_param.s_feature_compat &= ~EXT2_FEATURE_COMPAT_RESIZE_INODE;
|
|
}
|
|
if ((fs_blocks_count > MAX_32_NUM) &&
|
|
!(fs_param.s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT)) {
|
|
fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
|
|
"too big to be expressed\n\t"
|
|
"in 32 bits using a blocksize of %d.\n"),
|
|
program_name, fs_blocks_count, device_name,
|
|
EXT2_BLOCK_SIZE(&fs_param));
|
|
exit(1);
|
|
}
|
|
|
|
ext2fs_blocks_count_set(&fs_param, fs_blocks_count);
|
|
|
|
if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
|
|
fs_types[0] = strdup("journal");
|
|
fs_types[1] = 0;
|
|
}
|
|
|
|
if (verbose) {
|
|
fputs(_("fs_types for mke2fs.conf resolution: "), stdout);
|
|
print_str_list(fs_types);
|
|
}
|
|
|
|
if (r_opt == EXT2_GOOD_OLD_REV &&
|
|
(fs_param.s_feature_compat || fs_param.s_feature_incompat ||
|
|
fs_param.s_feature_ro_compat)) {
|
|
fprintf(stderr, _("Filesystem features not supported "
|
|
"with revision 0 filesystems\n"));
|
|
exit(1);
|
|
}
|
|
|
|
if (s_opt > 0) {
|
|
if (r_opt == EXT2_GOOD_OLD_REV) {
|
|
fprintf(stderr, _("Sparse superblocks not supported "
|
|
"with revision 0 filesystems\n"));
|
|
exit(1);
|
|
}
|
|
fs_param.s_feature_ro_compat |=
|
|
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
|
|
} else if (s_opt == 0)
|
|
fs_param.s_feature_ro_compat &=
|
|
~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
|
|
|
|
if (journal_size != 0) {
|
|
if (r_opt == EXT2_GOOD_OLD_REV) {
|
|
fprintf(stderr, _("Journals not supported "
|
|
"with revision 0 filesystems\n"));
|
|
exit(1);
|
|
}
|
|
fs_param.s_feature_compat |=
|
|
EXT3_FEATURE_COMPAT_HAS_JOURNAL;
|
|
}
|
|
|
|
/* Get reserved_ratio from profile if not specified on cmd line. */
|
|
if (reserved_ratio < 0.0) {
|
|
reserved_ratio = get_double_from_profile(
|
|
fs_types, "reserved_ratio", 5.0);
|
|
if (reserved_ratio > 50 || reserved_ratio < 0) {
|
|
com_err(program_name, 0,
|
|
_("invalid reserved blocks percent - %lf"),
|
|
reserved_ratio);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (fs_param.s_feature_incompat &
|
|
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
|
|
reserved_ratio = 0;
|
|
fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
|
|
fs_param.s_feature_compat = 0;
|
|
fs_param.s_feature_ro_compat = 0;
|
|
}
|
|
|
|
if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
|
|
(fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) {
|
|
fprintf(stderr, _("The resize_inode and meta_bg features "
|
|
"are not compatible.\n"
|
|
"They can not be both enabled "
|
|
"simultaneously.\n"));
|
|
exit(1);
|
|
}
|
|
|
|
/* Set first meta blockgroup via an environment variable */
|
|
/* (this is mostly for debugging purposes) */
|
|
if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) &&
|
|
((tmp = getenv("MKE2FS_FIRST_META_BG"))))
|
|
fs_param.s_first_meta_bg = atoi(tmp);
|
|
|
|
/* Get the hardware sector sizes, if available */
|
|
retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while trying to determine hardware sector size"));
|
|
exit(1);
|
|
}
|
|
retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while trying to determine physical sector size"));
|
|
exit(1);
|
|
}
|
|
|
|
if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL)
|
|
lsector_size = atoi(tmp);
|
|
if ((tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE")) != NULL)
|
|
psector_size = atoi(tmp);
|
|
|
|
/* Older kernels may not have physical/logical distinction */
|
|
if (!psector_size)
|
|
psector_size = lsector_size;
|
|
|
|
if (blocksize <= 0) {
|
|
use_bsize = get_int_from_profile(fs_types, "blocksize", 4096);
|
|
|
|
if (use_bsize == -1) {
|
|
use_bsize = sys_page_size;
|
|
if ((linux_version_code < (2*65536 + 6*256)) &&
|
|
(use_bsize > 4096))
|
|
use_bsize = 4096;
|
|
}
|
|
if (lsector_size && use_bsize < lsector_size)
|
|
use_bsize = lsector_size;
|
|
if ((blocksize < 0) && (use_bsize < (-blocksize)))
|
|
use_bsize = -blocksize;
|
|
blocksize = use_bsize;
|
|
ext2fs_blocks_count_set(&fs_param,
|
|
ext2fs_blocks_count(&fs_param) /
|
|
(blocksize / 1024));
|
|
} else {
|
|
if (blocksize < lsector_size) { /* Impossible */
|
|
com_err(program_name, EINVAL,
|
|
_("while setting blocksize; too small "
|
|
"for device\n"));
|
|
exit(1);
|
|
} else if ((blocksize < psector_size) &&
|
|
(psector_size <= sys_page_size)) { /* Suboptimal */
|
|
fprintf(stderr, _("Warning: specified blocksize %d is "
|
|
"less than device physical sectorsize %d\n"),
|
|
blocksize, psector_size);
|
|
}
|
|
}
|
|
|
|
fs_param.s_log_block_size =
|
|
int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE);
|
|
if (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) {
|
|
if (!cluster_size)
|
|
cluster_size = get_int_from_profile(fs_types,
|
|
"cluster_size",
|
|
blocksize*16);
|
|
fs_param.s_log_cluster_size =
|
|
int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE);
|
|
} else
|
|
fs_param.s_log_cluster_size = fs_param.s_log_block_size;
|
|
|
|
if (inode_ratio == 0) {
|
|
inode_ratio = get_int_from_profile(fs_types, "inode_ratio",
|
|
8192);
|
|
if (inode_ratio < blocksize)
|
|
inode_ratio = blocksize;
|
|
if (inode_ratio < EXT2_CLUSTER_SIZE(&fs_param))
|
|
inode_ratio = EXT2_CLUSTER_SIZE(&fs_param);
|
|
}
|
|
|
|
#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
|
|
retval = get_device_geometry(device_name, &fs_param, psector_size);
|
|
if (retval < 0) {
|
|
fprintf(stderr,
|
|
_("warning: Unable to get device geometry for %s\n"),
|
|
device_name);
|
|
} else if (retval) {
|
|
printf(_("%s alignment is offset by %lu bytes.\n"),
|
|
device_name, retval);
|
|
printf(_("This may result in very poor performance, "
|
|
"(re)-partitioning suggested.\n"));
|
|
}
|
|
#endif
|
|
|
|
blocksize = EXT2_BLOCK_SIZE(&fs_param);
|
|
|
|
/* This check should happen beyond the last assignment to blocksize */
|
|
if (blocksize > sys_page_size) {
|
|
if (!force) {
|
|
com_err(program_name, 0,
|
|
_("%d-byte blocks too big for system (max %d)"),
|
|
blocksize, sys_page_size);
|
|
proceed_question();
|
|
}
|
|
fprintf(stderr, _("Warning: %d-byte blocks too big for system "
|
|
"(max %d), forced to continue\n"),
|
|
blocksize, sys_page_size);
|
|
}
|
|
|
|
lazy_itable_init = 0;
|
|
if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0)
|
|
lazy_itable_init = 1;
|
|
|
|
lazy_itable_init = get_bool_from_profile(fs_types,
|
|
"lazy_itable_init",
|
|
lazy_itable_init);
|
|
discard = get_bool_from_profile(fs_types, "discard" , discard);
|
|
journal_flags |= get_bool_from_profile(fs_types,
|
|
"lazy_journal_init", 0) ?
|
|
EXT2_MKJOURNAL_LAZYINIT : 0;
|
|
journal_flags |= EXT2_MKJOURNAL_NO_MNT_CHECK;
|
|
|
|
/* Get options from profile */
|
|
for (cpp = fs_types; *cpp; cpp++) {
|
|
tmp = NULL;
|
|
profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp);
|
|
if (tmp && *tmp)
|
|
parse_extended_opts(&fs_param, tmp);
|
|
free(tmp);
|
|
}
|
|
|
|
if (extended_opts)
|
|
parse_extended_opts(&fs_param, extended_opts);
|
|
|
|
/* Don't allow user to set both metadata_csum and uninit_bg bits. */
|
|
if ((fs_param.s_feature_ro_compat &
|
|
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
|
|
(fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM))
|
|
fs_param.s_feature_ro_compat &=
|
|
~EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
|
|
|
|
/* Since sparse_super is the default, we would only have a problem
|
|
* here if it was explicitly disabled.
|
|
*/
|
|
if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) &&
|
|
!(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
|
|
com_err(program_name, 0,
|
|
_("reserved online resize blocks not supported "
|
|
"on non-sparse filesystem"));
|
|
exit(1);
|
|
}
|
|
|
|
if (fs_param.s_blocks_per_group) {
|
|
if (fs_param.s_blocks_per_group < 256 ||
|
|
fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) {
|
|
com_err(program_name, 0,
|
|
_("blocks per group count out of range"));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (inode_size == 0)
|
|
inode_size = get_int_from_profile(fs_types, "inode_size", 0);
|
|
if (!flex_bg_size && (fs_param.s_feature_incompat &
|
|
EXT4_FEATURE_INCOMPAT_FLEX_BG))
|
|
flex_bg_size = get_int_from_profile(fs_types,
|
|
"flex_bg_size", 16);
|
|
if (flex_bg_size) {
|
|
if (!(fs_param.s_feature_incompat &
|
|
EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
|
|
com_err(program_name, 0,
|
|
_("Flex_bg feature not enabled, so "
|
|
"flex_bg size may not be specified"));
|
|
exit(1);
|
|
}
|
|
fs_param.s_log_groups_per_flex = int_log2(flex_bg_size);
|
|
}
|
|
|
|
if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) {
|
|
if (inode_size < EXT2_GOOD_OLD_INODE_SIZE ||
|
|
inode_size > EXT2_BLOCK_SIZE(&fs_param) ||
|
|
inode_size & (inode_size - 1)) {
|
|
com_err(program_name, 0,
|
|
_("invalid inode size %d (min %d/max %d)"),
|
|
inode_size, EXT2_GOOD_OLD_INODE_SIZE,
|
|
blocksize);
|
|
exit(1);
|
|
}
|
|
fs_param.s_inode_size = inode_size;
|
|
}
|
|
|
|
/* Make sure number of inodes specified will fit in 32 bits */
|
|
if (num_inodes == 0) {
|
|
unsigned long long n;
|
|
n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
|
|
if (n > MAX_32_NUM) {
|
|
if (fs_param.s_feature_incompat &
|
|
EXT4_FEATURE_INCOMPAT_64BIT)
|
|
num_inodes = MAX_32_NUM;
|
|
else {
|
|
com_err(program_name, 0,
|
|
_("too many inodes (%llu), raise "
|
|
"inode ratio?"), n);
|
|
exit(1);
|
|
}
|
|
}
|
|
} else if (num_inodes > MAX_32_NUM) {
|
|
com_err(program_name, 0,
|
|
_("too many inodes (%llu), specify < 2^32 inodes"),
|
|
num_inodes);
|
|
exit(1);
|
|
}
|
|
/*
|
|
* Calculate number of inodes based on the inode ratio
|
|
*/
|
|
fs_param.s_inodes_count = num_inodes ? num_inodes :
|
|
(ext2fs_blocks_count(&fs_param) * blocksize) / inode_ratio;
|
|
|
|
if ((((long long)fs_param.s_inodes_count) *
|
|
(inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >=
|
|
((ext2fs_blocks_count(&fs_param)) *
|
|
EXT2_BLOCK_SIZE(&fs_param))) {
|
|
com_err(program_name, 0, _("inode_size (%u) * inodes_count "
|
|
"(%u) too big for a\n\t"
|
|
"filesystem with %llu blocks, "
|
|
"specify higher inode_ratio (-i)\n\t"
|
|
"or lower inode count (-N).\n"),
|
|
inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE,
|
|
fs_param.s_inodes_count,
|
|
(unsigned long long) ext2fs_blocks_count(&fs_param));
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Calculate number of blocks to reserve
|
|
*/
|
|
ext2fs_r_blocks_count_set(&fs_param, reserved_ratio *
|
|
ext2fs_blocks_count(&fs_param) / 100.0);
|
|
|
|
free(fs_type);
|
|
free(usage_types);
|
|
}
|
|
|
|
static int should_do_undo(const char *name)
|
|
{
|
|
errcode_t retval;
|
|
io_channel channel;
|
|
__u16 s_magic;
|
|
struct ext2_super_block super;
|
|
io_manager manager = unix_io_manager;
|
|
int csum_flag, force_undo;
|
|
|
|
csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
|
|
EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
|
|
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
|
|
force_undo = get_int_from_profile(fs_types, "force_undo", 0);
|
|
if (!force_undo && (!csum_flag || !lazy_itable_init))
|
|
return 0;
|
|
|
|
retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel);
|
|
if (retval) {
|
|
/*
|
|
* We don't handle error cases instead we
|
|
* declare that the file system doesn't exist
|
|
* and let the rest of mke2fs take care of
|
|
* error
|
|
*/
|
|
retval = 0;
|
|
goto open_err_out;
|
|
}
|
|
|
|
io_channel_set_blksize(channel, SUPERBLOCK_OFFSET);
|
|
retval = io_channel_read_blk64(channel, 1, -SUPERBLOCK_SIZE, &super);
|
|
if (retval) {
|
|
retval = 0;
|
|
goto err_out;
|
|
}
|
|
|
|
#if defined(WORDS_BIGENDIAN)
|
|
s_magic = ext2fs_swab16(super.s_magic);
|
|
#else
|
|
s_magic = super.s_magic;
|
|
#endif
|
|
|
|
if (s_magic == EXT2_SUPER_MAGIC)
|
|
retval = 1;
|
|
|
|
err_out:
|
|
io_channel_close(channel);
|
|
|
|
open_err_out:
|
|
|
|
return retval;
|
|
}
|
|
|
|
static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr)
|
|
{
|
|
errcode_t retval = ENOMEM;
|
|
char *tdb_dir = NULL, *tdb_file = NULL;
|
|
char *device_name, *tmp_name;
|
|
int free_tdb_dir = 0;
|
|
|
|
/*
|
|
* Configuration via a conf file would be
|
|
* nice
|
|
*/
|
|
tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
|
|
if (!tdb_dir) {
|
|
profile_get_string(profile, "defaults",
|
|
"undo_dir", 0, "/var/lib/e2fsprogs",
|
|
&tdb_dir);
|
|
free_tdb_dir = 1;
|
|
}
|
|
|
|
if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
|
|
access(tdb_dir, W_OK))
|
|
return 0;
|
|
|
|
tmp_name = strdup(name);
|
|
if (!tmp_name)
|
|
goto errout;
|
|
device_name = basename(tmp_name);
|
|
tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(device_name) + 7 + 1);
|
|
if (!tdb_file) {
|
|
free(tmp_name);
|
|
goto errout;
|
|
}
|
|
sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name);
|
|
free(tmp_name);
|
|
|
|
if (!access(tdb_file, F_OK)) {
|
|
if (unlink(tdb_file) < 0) {
|
|
retval = errno;
|
|
goto errout;
|
|
}
|
|
}
|
|
|
|
set_undo_io_backing_manager(*io_ptr);
|
|
*io_ptr = undo_io_manager;
|
|
retval = set_undo_io_backup_file(tdb_file);
|
|
if (retval)
|
|
goto errout;
|
|
printf(_("Overwriting existing filesystem; this can be undone "
|
|
"using the command:\n"
|
|
" e2undo %s %s\n\n"), tdb_file, name);
|
|
|
|
if (free_tdb_dir)
|
|
free(tdb_dir);
|
|
free(tdb_file);
|
|
return 0;
|
|
|
|
errout:
|
|
if (free_tdb_dir)
|
|
free(tdb_dir);
|
|
free(tdb_file);
|
|
com_err(program_name, retval,
|
|
_("while trying to setup undo file\n"));
|
|
return retval;
|
|
}
|
|
|
|
static int mke2fs_discard_device(ext2_filsys fs)
|
|
{
|
|
struct ext2fs_numeric_progress_struct progress;
|
|
blk64_t blocks = ext2fs_blocks_count(fs->super);
|
|
blk64_t count = DISCARD_STEP_MB;
|
|
blk64_t cur;
|
|
int retval = 0;
|
|
|
|
/*
|
|
* Let's try if discard really works on the device, so
|
|
* we do not print numeric progress resulting in failure
|
|
* afterwards.
|
|
*/
|
|
retval = io_channel_discard(fs->io, 0, fs->blocksize);
|
|
if (retval)
|
|
return retval;
|
|
cur = fs->blocksize;
|
|
|
|
count *= (1024 * 1024);
|
|
count /= fs->blocksize;
|
|
|
|
ext2fs_numeric_progress_init(fs, &progress,
|
|
_("Discarding device blocks: "),
|
|
blocks);
|
|
while (cur < blocks) {
|
|
ext2fs_numeric_progress_update(fs, &progress, cur);
|
|
|
|
if (cur + count > blocks)
|
|
count = blocks - cur;
|
|
|
|
retval = io_channel_discard(fs->io, cur, count);
|
|
if (retval)
|
|
break;
|
|
cur += count;
|
|
}
|
|
|
|
if (retval) {
|
|
ext2fs_numeric_progress_close(fs, &progress,
|
|
_("failed - "));
|
|
if (!quiet)
|
|
printf("%s\n",error_message(retval));
|
|
} else
|
|
ext2fs_numeric_progress_close(fs, &progress,
|
|
_("done \n"));
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void fix_cluster_bg_counts(ext2_filsys fs)
|
|
{
|
|
blk64_t cluster, num_clusters, tot_free;
|
|
int grp_free, num_free, group, num;
|
|
|
|
num_clusters = EXT2FS_B2C(fs, ext2fs_blocks_count(fs->super));
|
|
tot_free = num_free = num = group = grp_free = 0;
|
|
for (cluster = EXT2FS_B2C(fs, fs->super->s_first_data_block);
|
|
cluster < num_clusters; cluster++) {
|
|
if (!ext2fs_test_block_bitmap2(fs->block_map,
|
|
EXT2FS_C2B(fs, cluster))) {
|
|
grp_free++;
|
|
tot_free++;
|
|
}
|
|
num++;
|
|
if ((num == fs->super->s_clusters_per_group) ||
|
|
(cluster == num_clusters-1)) {
|
|
ext2fs_bg_free_blocks_count_set(fs, group, grp_free);
|
|
ext2fs_group_desc_csum_set(fs, group);
|
|
num = 0;
|
|
grp_free = 0;
|
|
group++;
|
|
}
|
|
}
|
|
ext2fs_free_blocks_count_set(fs->super, EXT2FS_C2B(fs, tot_free));
|
|
}
|
|
|
|
static int create_quota_inodes(ext2_filsys fs)
|
|
{
|
|
quota_ctx_t qctx;
|
|
|
|
quota_init_context(&qctx, fs, -1);
|
|
quota_compute_usage(qctx);
|
|
quota_write_inode(qctx, quotatype);
|
|
quota_release_context(&qctx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int main (int argc, char *argv[])
|
|
{
|
|
errcode_t retval = 0;
|
|
ext2_filsys fs;
|
|
badblocks_list bb_list = 0;
|
|
unsigned int journal_blocks;
|
|
unsigned int i, checkinterval;
|
|
int max_mnt_count;
|
|
int val, hash_alg;
|
|
int flags;
|
|
int old_bitmaps;
|
|
io_manager io_ptr;
|
|
char tdb_string[40];
|
|
char *hash_alg_str;
|
|
int itable_zeroed = 0;
|
|
|
|
#ifdef ENABLE_NLS
|
|
setlocale(LC_MESSAGES, "");
|
|
setlocale(LC_CTYPE, "");
|
|
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
|
|
textdomain(NLS_CAT_NAME);
|
|
set_com_err_gettext(gettext);
|
|
#endif
|
|
PRS(argc, argv);
|
|
|
|
#ifdef CONFIG_TESTIO_DEBUG
|
|
if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
|
|
io_ptr = test_io_manager;
|
|
test_io_backing_manager = unix_io_manager;
|
|
} else
|
|
#endif
|
|
io_ptr = unix_io_manager;
|
|
|
|
if (should_do_undo(device_name)) {
|
|
retval = mke2fs_setup_tdb(device_name, &io_ptr);
|
|
if (retval)
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Initialize the superblock....
|
|
*/
|
|
flags = EXT2_FLAG_EXCLUSIVE;
|
|
if (direct_io)
|
|
flags |= EXT2_FLAG_DIRECT_IO;
|
|
profile_get_boolean(profile, "options", "old_bitmaps", 0, 0,
|
|
&old_bitmaps);
|
|
if (!old_bitmaps)
|
|
flags |= EXT2_FLAG_64BITS;
|
|
/*
|
|
* By default, we print how many inode tables or block groups
|
|
* or whatever we've written so far. The quiet flag disables
|
|
* this, along with a lot of other output.
|
|
*/
|
|
if (!quiet)
|
|
flags |= EXT2_FLAG_PRINT_PROGRESS;
|
|
retval = ext2fs_initialize(device_name, flags, &fs_param, io_ptr, &fs);
|
|
if (retval) {
|
|
com_err(device_name, retval, _("while setting up superblock"));
|
|
exit(1);
|
|
}
|
|
fs->progress_ops = &ext2fs_numeric_progress_ops;
|
|
|
|
/* Check the user's mkfs options for metadata checksumming */
|
|
if (!quiet &&
|
|
EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
|
|
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
|
|
if (!EXT2_HAS_INCOMPAT_FEATURE(fs->super,
|
|
EXT3_FEATURE_INCOMPAT_EXTENTS))
|
|
printf(_("Extents are not enabled. The file extent "
|
|
"tree can be checksummed, whereas block maps "
|
|
"cannot. Not enabling extents reduces the "
|
|
"coverage of metadata checksumming. "
|
|
"Pass -O extents to rectify.\n"));
|
|
if (!EXT2_HAS_INCOMPAT_FEATURE(fs->super,
|
|
EXT4_FEATURE_INCOMPAT_64BIT))
|
|
printf(_("64-bit filesystem support is not "
|
|
"enabled. The larger fields afforded by "
|
|
"this feature enable full-strength "
|
|
"checksumming. Pass -O 64bit to rectify.\n"));
|
|
}
|
|
|
|
/* Can't undo discard ... */
|
|
if (!noaction && discard && (io_ptr != undo_io_manager)) {
|
|
retval = mke2fs_discard_device(fs);
|
|
if (!retval && io_channel_discard_zeroes_data(fs->io)) {
|
|
if (verbose)
|
|
printf(_("Discard succeeded and will return 0s "
|
|
" - skipping inode table wipe\n"));
|
|
lazy_itable_init = 1;
|
|
itable_zeroed = 1;
|
|
}
|
|
}
|
|
|
|
sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ?
|
|
32768 : fs->blocksize * 8);
|
|
io_channel_set_options(fs->io, tdb_string);
|
|
|
|
if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS)
|
|
fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
|
|
|
|
if ((fs_param.s_feature_incompat &
|
|
(EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) ||
|
|
(fs_param.s_feature_ro_compat &
|
|
(EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
|
|
EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
|
|
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
|
|
EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE)))
|
|
fs->super->s_kbytes_written = 1;
|
|
|
|
/*
|
|
* Wipe out the old on-disk superblock
|
|
*/
|
|
if (!noaction)
|
|
zap_sector(fs, 2, 6);
|
|
|
|
/*
|
|
* Parse or generate a UUID for the filesystem
|
|
*/
|
|
if (fs_uuid) {
|
|
if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) {
|
|
com_err(device_name, 0, "could not parse UUID: %s\n",
|
|
fs_uuid);
|
|
exit(1);
|
|
}
|
|
} else
|
|
uuid_generate(fs->super->s_uuid);
|
|
ext2fs_init_csum_seed(fs);
|
|
|
|
/*
|
|
* Initialize the directory index variables
|
|
*/
|
|
hash_alg_str = get_string_from_profile(fs_types, "hash_alg",
|
|
"half_md4");
|
|
hash_alg = e2p_string2hash(hash_alg_str);
|
|
free(hash_alg_str);
|
|
fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg :
|
|
EXT2_HASH_HALF_MD4;
|
|
uuid_generate((unsigned char *) fs->super->s_hash_seed);
|
|
|
|
/*
|
|
* Periodic checks can be enabled/disabled via config file.
|
|
* Note we override the kernel include file's idea of what the default
|
|
* check interval (never) should be. It's a good idea to check at
|
|
* least *occasionally*, specially since servers will never rarely get
|
|
* to reboot, since Linux is so robust these days. :-)
|
|
*
|
|
* 180 days (six months) seems like a good value.
|
|
*/
|
|
#ifdef EXT2_DFL_CHECKINTERVAL
|
|
#undef EXT2_DFL_CHECKINTERVAL
|
|
#endif
|
|
#define EXT2_DFL_CHECKINTERVAL (86400L * 180L)
|
|
|
|
if (get_bool_from_profile(fs_types, "enable_periodic_fsck", 0)) {
|
|
fs->super->s_checkinterval = EXT2_DFL_CHECKINTERVAL;
|
|
fs->super->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
|
|
/*
|
|
* Add "jitter" to the superblock's check interval so that we
|
|
* don't check all the filesystems at the same time. We use a
|
|
* kludgy hack of using the UUID to derive a random jitter value
|
|
*/
|
|
for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++)
|
|
val += fs->super->s_uuid[i];
|
|
fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT;
|
|
} else
|
|
fs->super->s_max_mnt_count = -1;
|
|
|
|
/*
|
|
* 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 (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
|
|
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
|
|
fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
|
|
|
|
if (!quiet || noaction)
|
|
show_stats(fs);
|
|
|
|
if (noaction)
|
|
exit(0);
|
|
|
|
if (fs->super->s_feature_incompat &
|
|
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
|
|
create_journal_dev(fs);
|
|
exit(ext2fs_close(fs) ? 1 : 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 = fs->super->s_raid_stride;
|
|
if (!quiet)
|
|
printf(_("Allocating group tables: "));
|
|
retval = ext2fs_allocate_tables(fs);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while trying to allocate filesystem tables"));
|
|
exit(1);
|
|
}
|
|
if (!quiet)
|
|
printf(_("done \n"));
|
|
|
|
retval = ext2fs_convert_subcluster_bitmap(fs, &fs->block_map);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("\n\twhile converting subcluster bitmap"));
|
|
exit(1);
|
|
}
|
|
|
|
if (super_only) {
|
|
fs->super->s_state |= EXT2_ERROR_FS;
|
|
fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY);
|
|
/*
|
|
* The command "mke2fs -S" is used to recover
|
|
* corrupted file systems, so do not mark any of the
|
|
* inodes as unused; we want e2fsck to consider all
|
|
* inodes as potentially containing recoverable data.
|
|
*/
|
|
if (ext2fs_has_group_desc_csum(fs)) {
|
|
for (i = 0; i < fs->group_desc_count; i++)
|
|
ext2fs_bg_itable_unused_set(fs, i, 0);
|
|
}
|
|
} else {
|
|
/* rsv must be a power of two (64kB is MD RAID sb alignment) */
|
|
blk64_t rsv = 65536 / fs->blocksize;
|
|
blk64_t blocks = ext2fs_blocks_count(fs->super);
|
|
blk64_t start;
|
|
blk64_t ret_blk;
|
|
|
|
#ifdef ZAP_BOOTBLOCK
|
|
zap_sector(fs, 0, 2);
|
|
#endif
|
|
|
|
/*
|
|
* Wipe out any old MD RAID (or other) metadata at the end
|
|
* of the device. This will also verify that the device is
|
|
* as large as we think. Be careful with very small devices.
|
|
*/
|
|
start = (blocks & ~(rsv - 1));
|
|
if (start > rsv)
|
|
start -= rsv;
|
|
if (start > 0)
|
|
retval = ext2fs_zero_blocks2(fs, start, blocks - start,
|
|
&ret_blk, NULL);
|
|
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while zeroing block %llu at end of filesystem"),
|
|
ret_blk);
|
|
}
|
|
write_inode_tables(fs, lazy_itable_init, itable_zeroed);
|
|
create_root_dir(fs);
|
|
create_lost_and_found(fs);
|
|
reserve_inodes(fs);
|
|
create_bad_block_inode(fs, bb_list);
|
|
if (fs->super->s_feature_compat &
|
|
EXT2_FEATURE_COMPAT_RESIZE_INODE) {
|
|
retval = ext2fs_create_resize_inode(fs);
|
|
if (retval) {
|
|
com_err("ext2fs_create_resize_inode", retval,
|
|
_("while reserving blocks for online resize"));
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (journal_device) {
|
|
ext2_filsys jfs;
|
|
|
|
if (!force)
|
|
check_plausibility(journal_device);
|
|
check_mount(journal_device, force, _("journal"));
|
|
|
|
retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
|
|
EXT2_FLAG_JOURNAL_DEV_OK, 0,
|
|
fs->blocksize, unix_io_manager, &jfs);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("while trying to open journal device %s\n"),
|
|
journal_device);
|
|
exit(1);
|
|
}
|
|
if (!quiet) {
|
|
printf(_("Adding journal to device %s: "),
|
|
journal_device);
|
|
fflush(stdout);
|
|
}
|
|
retval = ext2fs_add_journal_device(fs, jfs);
|
|
if(retval) {
|
|
com_err (program_name, retval,
|
|
_("\n\twhile trying to add journal to device %s"),
|
|
journal_device);
|
|
exit(1);
|
|
}
|
|
if (!quiet)
|
|
printf(_("done\n"));
|
|
ext2fs_close(jfs);
|
|
free(journal_device);
|
|
} else if ((journal_size) ||
|
|
(fs_param.s_feature_compat &
|
|
EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
|
|
journal_blocks = figure_journal_size(journal_size, fs);
|
|
|
|
if (super_only) {
|
|
printf(_("Skipping journal creation in super-only mode\n"));
|
|
fs->super->s_journal_inum = EXT2_JOURNAL_INO;
|
|
goto no_journal;
|
|
}
|
|
|
|
if (!journal_blocks) {
|
|
fs->super->s_feature_compat &=
|
|
~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
|
|
goto no_journal;
|
|
}
|
|
if (!quiet) {
|
|
printf(_("Creating journal (%u blocks): "),
|
|
journal_blocks);
|
|
fflush(stdout);
|
|
}
|
|
retval = ext2fs_add_journal_inode(fs, journal_blocks,
|
|
journal_flags);
|
|
if (retval) {
|
|
com_err (program_name, retval,
|
|
_("\n\twhile trying to create journal"));
|
|
exit(1);
|
|
}
|
|
if (!quiet)
|
|
printf(_("done\n"));
|
|
}
|
|
no_journal:
|
|
if (!super_only &&
|
|
fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) {
|
|
retval = ext2fs_mmp_init(fs);
|
|
if (retval) {
|
|
fprintf(stderr, _("\nError while enabling multiple "
|
|
"mount protection feature."));
|
|
exit(1);
|
|
}
|
|
if (!quiet)
|
|
printf(_("Multiple mount protection is enabled "
|
|
"with update interval %d seconds.\n"),
|
|
fs->super->s_mmp_update_interval);
|
|
}
|
|
|
|
if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
|
|
EXT4_FEATURE_RO_COMPAT_BIGALLOC))
|
|
fix_cluster_bg_counts(fs);
|
|
if (EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
|
|
EXT4_FEATURE_RO_COMPAT_QUOTA))
|
|
create_quota_inodes(fs);
|
|
|
|
if (!quiet)
|
|
printf(_("Writing superblocks and "
|
|
"filesystem accounting information: "));
|
|
checkinterval = fs->super->s_checkinterval;
|
|
max_mnt_count = fs->super->s_max_mnt_count;
|
|
retval = ext2fs_close(fs);
|
|
if (retval) {
|
|
fprintf(stderr,
|
|
_("\nWarning, had trouble writing out superblocks."));
|
|
} else if (!quiet) {
|
|
printf(_("done\n\n"));
|
|
if (!getenv("MKE2FS_SKIP_CHECK_MSG"))
|
|
print_check_message(max_mnt_count, checkinterval);
|
|
}
|
|
|
|
remove_error_table(&et_ext2_error_table);
|
|
remove_error_table(&et_prof_error_table);
|
|
profile_release(profile);
|
|
for (i=0; fs_types[i]; i++)
|
|
free(fs_types[i]);
|
|
free(fs_types);
|
|
return retval;
|
|
}
|