ref: d44c244db5af1ce24454d651d00565bf09a99020
dir: /fs_test/lwext4_mkfs.c/
/*
* Copyright (c) 2015 Grzegorz Kostka (kostka.grzegorz@gmail.com)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <stdbool.h>
#include <inttypes.h>
#include <time.h>
#include <unistd.h>
#include <sys/time.h>
#include <ext4.h>
#include <ext4_mkfs.h>
#include "../blockdev/linux/ext4_filedev.h"
#include "../blockdev/windows/io_raw.h"
/**@brief Input stream name.*/
const char *input_name = NULL;
/**@brief Block device handle.*/
static struct ext4_blockdev *bd;
/**@brief Indicates that input is windows partition.*/
static bool winpart = false;
static int fs_type = F_SET_EXT4;
static struct ext4_fs fs;
static struct ext4_mkfs_info info = {
.block_size = 1024,
};
static bool verbose = false;
static const char *usage = " \n\
Welcome in lwext4_mkfs tool . \n\
Copyright (c) 2015 Grzegorz Kostka (kostka.grzegorz@gmail.com) \n\
Usage: \n\
[-i] --input - input file name (or blockdevice) \n\
[-w] --wpart - windows partition mode \n\
[-v] --verbose - verbose mode \n\
[-b] --block - block size: 1024, 2048, 4096 (default 1024) \n\
[-e] --ext - fs type (ext2: 2, ext3: 3 ext4: 4)) \n\
\n";
static bool open_linux(void)
{
ext4_filedev_filename(input_name);
bd = ext4_filedev_get();
if (!bd) {
printf("open_filedev: fail\n");
return false;
}
return true;
}
static bool open_windows(void)
{
#ifdef WIN32
ext4_io_raw_filename(input_name);
bd = ext4_io_raw_dev_get();
if (!bd) {
printf("open_winpartition: fail\n");
return false;
}
return true;
#else
printf("open_winpartition: this mode should be used only under windows "
"!\n");
return false;
#endif
}
static bool open_filedev(void)
{
if (winpart) {
if (!open_windows())
return false;
} else {
if (!open_linux())
return false;
}
return true;
}
static bool parse_opt(int argc, char **argv)
{
int option_index = 0;
int c;
static struct option long_options[] = {
{"input", required_argument, 0, 'i'},
{"block", required_argument, 0, 'b'},
{"ext", required_argument, 0, 'e'},
{"wpart", no_argument, 0, 'w'},
{"verbose", no_argument, 0, 'v'},
{0, 0, 0, 0}};
while (-1 != (c = getopt_long(argc, argv, "i:b:e:wv",
long_options, &option_index))) {
switch (c) {
case 'i':
input_name = optarg;
break;
case 'b':
info.block_size = atoi(optarg);
break;
case 'e':
fs_type = atoi(optarg);
break;
case 'w':
winpart = true;
break;
case 'v':
verbose = true;
break;
default:
printf("%s", usage);
return false;
}
}
switch (info.block_size) {
case 1024:
case 2048:
case 4096:
break;
default:
printf("parse_opt: block_size = %"PRIu32" unsupported\n",
info.block_size);
return false;
}
switch (fs_type) {
case F_SET_EXT2:
case F_SET_EXT3:
case F_SET_EXT4:
break;
default:
printf("parse_opt: fs_type = %"PRIu32" unsupported\n", fs_type);
return false;
}
return true;
}
int main(int argc, char **argv)
{
int r;
if (!parse_opt(argc, argv)){
printf("parse_opt error\n");
return EXIT_FAILURE;
}
if (!open_filedev()) {
printf("open_filedev error\n");
return EXIT_FAILURE;
}
if (verbose)
ext4_dmask_set(DEBUG_ALL);
printf("ext4_mkfs: ext%d\n", fs_type);
r = ext4_mkfs(&fs, bd, &info, fs_type);
if (r != EOK) {
printf("ext4_mkfs error: %d\n", r);
return EXIT_FAILURE;
}
memset(&info, 0, sizeof(struct ext4_mkfs_info));
r = ext4_mkfs_read_info(bd, &info);
if (r != EOK) {
printf("ext4_mkfs_read_info error: %d\n", r);
return EXIT_FAILURE;
}
printf("Created filesystem with parameters:\n");
printf("Size: %"PRIu64"\n", info.len);
printf("Block size: %"PRIu32"\n", info.block_size);
printf("Blocks per group: %"PRIu32"\n", info.blocks_per_group);
printf("Inodes per group: %"PRIu32"\n", info.inodes_per_group);
printf("Inode size: %"PRIu32"\n", info.inode_size);
printf("Inodes: %"PRIu32"\n", info.inodes);
printf("Journal blocks: %"PRIu32"\n", info.journal_blocks);
printf("Features ro_compat: 0x%x\n", info.feat_ro_compat);
printf("Features compat: 0x%x\n", info.feat_compat);
printf("Features incompat: 0x%x\n", info.feat_incompat);
printf("BG desc reserve: %"PRIu32"\n", info.bg_desc_reserve_blocks);
printf("Descriptor size: %"PRIu32"\n",info.dsc_size);
printf("Label: %s\n", info.label);
printf("\nDone ...\n");
return EXIT_SUCCESS;
}