ref: e21fe5fe454fce1b3a555fc1268e2f77a5d35274
dir: /fs_test/lwext4_mkfs.c/
/* * Copyright (c) 2015 Grzegorz Kostka ([email protected]) * 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 ([email protected]) \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; }