| /** |
| * f2fs_format.c |
| * |
| * Copyright (c) 2012 Samsung Electronics Co., Ltd. |
| * http://www.samsung.com/ |
| * |
| * Dual licensed under the GPL or LGPL version 2 licenses. |
| */ |
| #define _LARGEFILE64_SOURCE |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <fcntl.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <sys/stat.h> |
| #include <sys/mount.h> |
| #include <time.h> |
| //#include <linux/fs.h> |
| #include <uuid/uuid.h> |
| |
| #include "f2fs_fs.h" |
| #include "f2fs_format_utils.h" |
| |
| extern struct f2fs_configuration config; |
| |
| static void mkfs_usage() |
| { |
| MSG(0, "\nUsage: mkfs.f2fs [options] device [sectors]\n"); |
| MSG(0, "[options]:\n"); |
| MSG(0, " -a heap-based allocation [default:1]\n"); |
| MSG(0, " -d debug level [default:0]\n"); |
| MSG(0, " -e [extension list] e.g. \"mp3,gif,mov\"\n"); |
| MSG(0, " -l label\n"); |
| MSG(0, " -o overprovision ratio [default:5]\n"); |
| MSG(0, " -s # of segments per section [default:1]\n"); |
| MSG(0, " -z # of sections per zone [default:1]\n"); |
| MSG(0, " -t 0: nodiscard, 1: discard [default:1]\n"); |
| MSG(0, "sectors: number of sectors. [default: determined by device size]\n"); |
| exit(1); |
| } |
| |
| static void f2fs_parse_options(int argc, char *argv[]) |
| { |
| static const char *option_string = "a:d:e:l:o:s:z:t:"; |
| int32_t option=0; |
| |
| while ((option = getopt(argc,argv,option_string)) != EOF) { |
| switch (option) { |
| case 'a': |
| config.heap = atoi(optarg); |
| if (config.heap == 0) |
| MSG(0, "Info: Disable heap-based policy\n"); |
| break; |
| case 'd': |
| config.dbg_lv = atoi(optarg); |
| MSG(0, "Info: Debug level = %d\n", config.dbg_lv); |
| break; |
| case 'e': |
| config.extension_list = strdup(optarg); |
| MSG(0, "Info: Add new extension list\n"); |
| break; |
| case 'l': /*v: volume label */ |
| if (strlen(optarg) > 512) { |
| MSG(0, "Error: Volume Label should be less than\ |
| 512 characters\n"); |
| mkfs_usage(); |
| } |
| config.vol_label = optarg; |
| MSG(0, "Info: Label = %s\n", config.vol_label); |
| break; |
| case 'o': |
| config.overprovision = atoi(optarg); |
| MSG(0, "Info: Overprovision ratio = %u%%\n", |
| atoi(optarg)); |
| break; |
| case 's': |
| config.segs_per_sec = atoi(optarg); |
| MSG(0, "Info: Segments per section = %d\n", |
| atoi(optarg)); |
| break; |
| case 'z': |
| config.secs_per_zone = atoi(optarg); |
| MSG(0, "Info: Sections per zone = %d\n", atoi(optarg)); |
| break; |
| case 't': |
| config.trim = atoi(optarg); |
| MSG(0, "Info: Trim is %s\n", config.trim ? "enabled": "disabled"); |
| break; |
| default: |
| MSG(0, "\tError: Unknown option %c\n",option); |
| mkfs_usage(); |
| break; |
| } |
| } |
| |
| if (optind >= argc) { |
| MSG(0, "\tError: Device not specified\n"); |
| mkfs_usage(); |
| } |
| config.device_name = argv[optind]; |
| |
| if ((optind + 1) < argc) { |
| /* We have a sector count. */ |
| config.total_sectors = atoll(argv[optind+1]); |
| MSG(0, "\ttotal_sectors=%08"PRIx64" (%s bytes)\n", |
| config.total_sectors, argv[optind+1]); |
| } |
| |
| config.reserved_segments = |
| (2 * (100 / config.overprovision + 1) + 6) |
| * config.segs_per_sec; |
| config.segs_per_zone = config.segs_per_sec * config.secs_per_zone; |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| MSG(0, "\n\tF2FS-tools: mkfs.f2fs Ver: %s (%s)\n\n", |
| F2FS_TOOLS_VERSION, |
| F2FS_TOOLS_DATE); |
| f2fs_init_configuration(&config); |
| |
| f2fs_parse_options(argc, argv); |
| |
| if (f2fs_dev_is_umounted(&config) < 0) |
| return -1; |
| |
| if (f2fs_get_device_info(&config) < 0) |
| return -1; |
| |
| if (f2fs_format_device() < 0) |
| return -1; |
| |
| f2fs_finalize_device(&config); |
| |
| MSG(0, "Info: format successful\n"); |
| |
| return 0; |
| } |