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https://gitee.com/openharmony/third_party_f2fs-tools
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7457726261
This patch introduce a new option 'inode_checksum' for enabling inode checksum functionality in mkfs/fsck/sload. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
333 lines
7.5 KiB
C
333 lines
7.5 KiB
C
/**
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* f2fs_format.c
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*
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*
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* Dual licensed under the GPL or LGPL version 2 licenses.
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*/
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#define _LARGEFILE64_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/mount.h>
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#include <time.h>
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#include <uuid/uuid.h>
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#include <errno.h>
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#include "config.h"
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#ifdef HAVE_LIBBLKID
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# include <blkid/blkid.h>
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#endif
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#include "f2fs_fs.h"
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#include "f2fs_format_utils.h"
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#ifdef WITH_ANDROID
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#include <sparse/sparse.h>
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extern struct sparse_file *f2fs_sparse_file;
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#endif
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extern struct f2fs_configuration c;
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static int force_overwrite = 0;
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static void mkfs_usage()
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{
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MSG(0, "\nUsage: mkfs.f2fs [options] device [sectors]\n");
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MSG(0, "[options]:\n");
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MSG(0, " -a heap-based allocation [default:0]\n");
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MSG(0, " -c [device path] up to 7 devices excepts meta device\n");
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MSG(0, " -d debug level [default:0]\n");
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MSG(0, " -e [extension list] e.g. \"mp3,gif,mov\"\n");
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MSG(0, " -f force overwrite the exist filesystem\n");
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MSG(0, " -l label\n");
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MSG(0, " -m support zoned block device [default:0]\n");
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MSG(0, " -o overprovision ratio [default:5]\n");
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MSG(0, " -O [feature list] e.g. \"encrypt\"\n");
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MSG(0, " -q quiet mode\n");
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MSG(0, " -s # of segments per section [default:1]\n");
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MSG(0, " -S sparse mode\n");
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MSG(0, " -t 0: nodiscard, 1: discard [default:1]\n");
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MSG(0, " -z # of sections per zone [default:1]\n");
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MSG(0, "sectors: number of sectors. [default: determined by device size]\n");
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exit(1);
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}
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static void f2fs_show_info()
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{
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MSG(0, "\n\tF2FS-tools: mkfs.f2fs Ver: %s (%s)\n\n",
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F2FS_TOOLS_VERSION,
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F2FS_TOOLS_DATE);
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if (c.heap == 0)
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MSG(0, "Info: Disable heap-based policy\n");
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MSG(0, "Info: Debug level = %d\n", c.dbg_lv);
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if (c.extension_list)
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MSG(0, "Info: Add new extension list\n");
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if (c.vol_label)
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MSG(0, "Info: Label = %s\n", c.vol_label);
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MSG(0, "Info: Trim is %s\n", c.trim ? "enabled": "disabled");
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}
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static void parse_feature(const char *features)
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{
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while (*features == ' ')
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features++;
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if (!strcmp(features, "encrypt")) {
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c.feature |= cpu_to_le32(F2FS_FEATURE_ENCRYPT);
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} else if (!strcmp(features, "extra_attr")) {
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c.feature |= cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR);
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} else if (!strcmp(features, "project_quota")) {
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c.feature |= cpu_to_le32(F2FS_FEATURE_PRJQUOTA);
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} else if (!strcmp(features, "inode_checksum")) {
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c.feature |= cpu_to_le32(F2FS_FEATURE_INODE_CHKSUM);
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} else {
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MSG(0, "Error: Wrong features\n");
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mkfs_usage();
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}
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}
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static void f2fs_parse_options(int argc, char *argv[])
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{
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static const char *option_string = "qa:c:d:e:l:mo:O:s:S:z:t:f";
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int32_t option=0;
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while ((option = getopt(argc,argv,option_string)) != EOF) {
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switch (option) {
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case 'q':
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c.dbg_lv = -1;
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break;
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case 'a':
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c.heap = atoi(optarg);
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break;
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case 'c':
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if (c.ndevs >= MAX_DEVICES) {
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MSG(0, "Error: Too many devices\n");
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mkfs_usage();
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}
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if (strlen(optarg) > MAX_PATH_LEN) {
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MSG(0, "Error: device path should be less than "
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"%d characters\n", MAX_PATH_LEN);
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mkfs_usage();
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}
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c.devices[c.ndevs++].path = strdup(optarg);
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break;
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case 'd':
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c.dbg_lv = atoi(optarg);
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break;
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case 'e':
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c.extension_list = strdup(optarg);
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break;
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case 'l': /*v: volume label */
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if (strlen(optarg) > 512) {
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MSG(0, "Error: Volume Label should be less than "
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"512 characters\n");
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mkfs_usage();
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}
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c.vol_label = optarg;
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break;
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case 'm':
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c.zoned_mode = 1;
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break;
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case 'o':
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c.overprovision = atof(optarg);
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break;
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case 'O':
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parse_feature(optarg);
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break;
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case 's':
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c.segs_per_sec = atoi(optarg);
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break;
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case 'S':
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c.device_size = atoll(optarg);
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c.device_size &= (~((u_int64_t)(F2FS_BLKSIZE - 1)));
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c.sparse_mode = 1;
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break;
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case 'z':
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c.secs_per_zone = atoi(optarg);
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break;
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case 't':
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c.trim = atoi(optarg);
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break;
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case 'f':
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force_overwrite = 1;
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break;
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default:
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MSG(0, "\tError: Unknown option %c\n",option);
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mkfs_usage();
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break;
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}
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}
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if (!(c.feature & cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR))) {
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if (c.feature & cpu_to_le32(F2FS_FEATURE_PRJQUOTA)) {
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MSG(0, "\tInfo: project quota feature should always been"
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"enabled with extra attr feature\n");
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exit(1);
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}
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if (c.feature & cpu_to_le32(F2FS_FEATURE_INODE_CHKSUM)) {
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MSG(0, "\tInfo: inode checksum feature should always been"
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"enabled with extra attr feature\n");
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exit(1);
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}
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}
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if (optind >= argc) {
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MSG(0, "\tError: Device not specified\n");
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mkfs_usage();
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}
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/* [0] : META, [1 to MAX_DEVICES - 1] : NODE/DATA */
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c.devices[0].path = strdup(argv[optind]);
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if ((optind + 1) < argc) {
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if (c.ndevs > 1) {
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MSG(0, "\tError: Not support custom size on multi-devs.\n");
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mkfs_usage();
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}
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c.wanted_total_sectors = atoll(argv[optind+1]);
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}
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if (c.sparse_mode)
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c.trim = 0;
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if (c.zoned_mode)
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c.feature |= cpu_to_le32(F2FS_FEATURE_BLKZONED);
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}
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#ifdef HAVE_LIBBLKID
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static int f2fs_dev_is_overwrite(const char *device)
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{
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const char *type;
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blkid_probe pr = NULL;
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int ret = -1;
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if (!device || !*device)
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return 0;
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pr = blkid_new_probe_from_filename(device);
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if (!pr)
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goto out;
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ret = blkid_probe_enable_partitions(pr, 1);
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if (ret < 0)
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goto out;
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ret = blkid_do_fullprobe(pr);
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if (ret < 0)
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goto out;
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/*
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* Blkid returns 1 for nothing found and 0 when it finds a signature,
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* but we want the exact opposite, so reverse the return value here.
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*
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* In addition print some useful diagnostics about what actually is
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* on the device.
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*/
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if (ret) {
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ret = 0;
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goto out;
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}
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if (!blkid_probe_lookup_value(pr, "TYPE", &type, NULL)) {
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MSG(0, "\t%s appears to contain an existing filesystem (%s).\n",
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device, type);
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} else if (!blkid_probe_lookup_value(pr, "PTTYPE", &type, NULL)) {
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MSG(0, "\t%s appears to contain a partition table (%s).\n",
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device, type);
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} else {
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MSG(0, "\t%s appears to contain something weird according to blkid\n",
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device);
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}
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ret = 1;
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out:
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if (pr)
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blkid_free_probe(pr);
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if (ret == -1)
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MSG(0, "\tprobe of %s failed, cannot detect existing filesystem.\n",
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device);
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return ret;
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}
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static int f2fs_check_overwrite(void)
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{
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int i;
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for (i = 0; i < c.ndevs; i++)
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if (f2fs_dev_is_overwrite((char *)c.devices[i].path))
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return -1;
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return 0;
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}
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#else
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static int f2fs_check_overwrite(void)
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{
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return 0;
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}
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#endif /* HAVE_LIBBLKID */
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int main(int argc, char *argv[])
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{
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f2fs_init_configuration();
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f2fs_parse_options(argc, argv);
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f2fs_show_info();
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if (!force_overwrite && f2fs_check_overwrite()) {
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MSG(0, "\tUse the -f option to force overwrite.\n");
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return -1;
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}
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if (f2fs_devs_are_umounted() < 0) {
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if (errno != EBUSY)
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MSG(0, "\tError: Not available on mounted device!\n");
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return -1;
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}
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if (f2fs_get_device_info() < 0)
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return -1;
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/*
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* Some options are mandatory for host-managed
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* zoned block devices.
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*/
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if (c.zoned_model == F2FS_ZONED_HM && !c.zoned_mode) {
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MSG(0, "\tError: zoned block device feature is required\n");
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return -1;
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}
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if (c.zoned_mode && !c.trim) {
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MSG(0, "\tError: Trim is required for zoned block devices\n");
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return -1;
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}
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if (c.sparse_mode) {
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#ifndef WITH_ANDROID
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MSG(0, "\tError: Sparse mode is only supported for android\n");
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return -1;
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#else
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if (f2fs_sparse_file)
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sparse_file_destroy(f2fs_sparse_file);
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f2fs_sparse_file = sparse_file_new(F2FS_BLKSIZE, c.device_size);
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#endif
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}
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if (f2fs_format_device() < 0)
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return -1;
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f2fs_finalize_device();
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MSG(0, "Info: format successful\n");
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return 0;
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}
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