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/**
* 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\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");
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 + 1) != argc) {
MSG(0, "\tError: Device not specified\n");
mkfs_usage();
}
config.reserved_segments =
(2 * (100 / config.overprovision + 1) + 6)
* config.segs_per_sec;
config.device_name = argv[optind];
}
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;
MSG(0, "Info: format successful\n");
return 0;
}
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