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OpenHarmony_feature_202401017
third_party_f2fs-tools/fsck/main.c
Sheng Yong eed09be1c4 dump.f2fs: remove unavailable option -g 
Option "-g" for dump.f2fs is unavailable and not used in dump.f2fs.

Signed-off-by: Sheng Yong <shengyong@oppo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2024-04-15 11:31:46 +08:00

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/**
* main.c
*
* Copyright (c) 2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
* Copyright (c) 2015 Jaegeuk Kim <jaegeuk@kernel.org>
* : implement defrag.f2fs
* Copyright (C) 2015 Huawei Ltd.
* Hou Pengyang <houpengyang@huawei.com>
* Liu Shuoran <liushuoran@huawei.com>
* Jaegeuk Kim <jaegeuk@kernel.org>
* : add sload.f2fs
* Copyright (c) 2019 Google Inc.
* Robin Hsu <robinhsu@google.com>
* : add cache layer
* Copyright (c) 2020 Google Inc.
* Robin Hsu <robinhsu@google.com>
* : add sload compression support
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include "fsck.h"
#include <libgen.h>
#include <ctype.h>
#include <time.h>
#include <getopt.h>
#include <stdbool.h>
#include "quotaio.h"
#include "compress.h"
struct f2fs_fsck gfsck;
INIT_FEATURE_TABLE;
#ifdef WITH_SLOAD
static char *absolute_path(const char *file)
{
char *ret;
char cwd[PATH_MAX];
if (file[0] != '/') {
if (getcwd(cwd, PATH_MAX) == NULL) {
fprintf(stderr, "Failed to getcwd\n");
exit(EXIT_FAILURE);
}
ret = malloc(strlen(cwd) + 1 + strlen(file) + 1);
if (ret)
sprintf(ret, "%s/%s", cwd, file);
} else
ret = strdup(file);
return ret;
}
#endif
void fsck_usage()
{
MSG(0, "\nUsage: fsck.f2fs [options] device\n");
MSG(0, "[options]:\n");
MSG(0, " -a check/fix potential corruption, reported by f2fs\n");
MSG(0, " -c <num-cache-entry> set number of cache entries"
" (default 0)\n");
MSG(0, " -m <max-hash-collision> set max cache hash collision"
" (default 16)\n");
MSG(0, " -C encoding[:flag1,flag2] Set options for enabling"
" casefolding\n");
MSG(0, " -d debug level [default:0]\n");
MSG(0, " -f check/fix entire partition\n");
MSG(0, " -g add default options\n");
MSG(0, " -l show superblock/checkpoint\n");
MSG(0, " -M show a file map\n");
MSG(0, " -O feature1[feature2,feature3,...] e.g. \"encrypt\"\n");
MSG(0, " -p preen mode [default:0 the same as -a [0|1|2]]\n");
MSG(0, " -S sparse_mode\n");
MSG(0, " -t show directory tree\n");
MSG(0, " -q preserve quota limits\n");
MSG(0, " -y fix all the time\n");
MSG(0, " -V print the version number and exit\n");
MSG(0, " --dry-run do not really fix corruptions\n");
MSG(0, " --no-kernel-check skips detecting kernel change\n");
MSG(0, " --kernel-check checks kernel change\n");
MSG(0, " --debug-cache to debug cache when -c is used\n");
exit(1);
}
void dump_usage()
{
MSG(0, "\nUsage: dump.f2fs [options] device\n");
MSG(0, "[options]:\n");
MSG(0, " -d debug level [default:0]\n");
MSG(0, " -i inode no (hex)\n");
MSG(0, " -I inode no (hex) scan full disk\n");
MSG(0, " -n [NAT dump nid from #1~#2 (decimal), for all 0~-1]\n");
MSG(0, " -M show a block map\n");
MSG(0, " -s [SIT dump segno from #1~#2 (decimal), for all 0~-1]\n");
MSG(0, " -S sparse_mode\n");
MSG(0, " -a [SSA dump segno from #1~#2 (decimal), for all 0~-1]\n");
MSG(0, " -b blk_addr (in 4KB)\n");
MSG(0, " -V print the version number and exit\n");
exit(1);
}
void defrag_usage()
{
MSG(0, "\nUsage: defrag.f2fs [options] device\n");
MSG(0, "[options]:\n");
MSG(0, " -d debug level [default:0]\n");
MSG(0, " -s start block address [default: main_blkaddr]\n");
MSG(0, " -S sparse_mode\n");
MSG(0, " -l length [default:512 (2MB)]\n");
MSG(0, " -t target block address [default: main_blkaddr + 2MB]\n");
MSG(0, " -i set direction as shrink [default: expand]\n");
MSG(0, " -V print the version number and exit\n");
exit(1);
}
void resize_usage()
{
MSG(0, "\nUsage: resize.f2fs [options] device\n");
MSG(0, "[options]:\n");
MSG(0, " -d debug level [default:0]\n");
MSG(0, " -i extended node bitmap, node ratio is 20%% by default\n");
MSG(0, " -o overprovision percentage [default:auto]\n");
MSG(0, " -s safe resize (Does not resize metadata)\n");
MSG(0, " -t target sectors [default: device size]\n");
MSG(0, " -O feature1[,feature2,...] e.g. \"fsprojquota,fscasefold\"\n");
MSG(0, " -C [encoding[:flag1,...]] Support casefolding with optional flags\n");
MSG(0, " -V print the version number and exit\n");
exit(1);
}
void sload_usage()
{
MSG(0, "\nUsage: sload.f2fs [options] device\n");
MSG(0, "[options]:\n");
MSG(0, " -C fs_config\n");
MSG(0, " -f source directory [path of the source directory]\n");
MSG(0, " -p product out directory\n");
MSG(0, " -s file_contexts\n");
MSG(0, " -S sparse_mode\n");
MSG(0, " -t mount point [prefix of target fs path, default:/]\n");
MSG(0, " -T timestamp\n");
MSG(0, " -P preserve owner: user and group\n");
MSG(0, " -c enable compression (default allow policy)\n");
MSG(0, " ------------ Compression sub-options -----------------\n");
MSG(0, " -L <log-of-blocks-per-cluster>, default 2\n");
MSG(0, " -a <algorithm> compression algorithm, default LZ4\n");
MSG(0, " -x <ext> compress files except for these extensions.\n");
MSG(0, " -i <ext> compress files with these extensions only.\n");
MSG(0, " * -i or -x: use it many times for multiple extensions.\n");
MSG(0, " * -i and -x cannot be used together..\n");
MSG(0, " -m <num> min compressed blocks per cluster\n");
MSG(0, " -r read only (to release unused blocks) for compressed "
"files\n");
MSG(0, " ------------------------------------------------------\n");
MSG(0, " -d debug level [default:0]\n");
MSG(0, " -V print the version number and exit\n");
exit(1);
}
void label_usage()
{
MSG(0, "\nUsage: f2fslabel [options] device [volume-label]\n");
MSG(0, "[options]:\n");
MSG(0, " -V print the version number and exit\n");
exit(1);
}
static int is_digits(char *optarg)
{
unsigned int i;
for (i = 0; i < strlen(optarg); i++)
if (!isdigit(optarg[i]))
break;
return i == strlen(optarg);
}
static void error_out(char *prog)
{
if (!strcmp("fsck.f2fs", prog))
fsck_usage();
else if (!strcmp("dump.f2fs", prog))
dump_usage();
else if (!strcmp("defrag.f2fs", prog))
defrag_usage();
else if (!strcmp("resize.f2fs", prog))
resize_usage();
else if (!strcmp("sload.f2fs", prog))
sload_usage();
else if (!strcmp("f2fslabel", prog))
label_usage();
else
MSG(0, "\nWrong program.\n");
}
static void __add_fsck_options(void)
{
/* -a */
c.auto_fix = 1;
}
static void add_default_options(void)
{
switch (c.defset) {
case CONF_ANDROID:
__add_fsck_options();
}
c.quota_fix = 1;
}
void f2fs_parse_options(int argc, char *argv[])
{
int option = 0;
char *prog = basename(argv[0]);
int err = NOERROR;
#ifdef WITH_ANDROID
int i;
/* Allow prog names (e.g, sload_f2fs, fsck_f2fs, etc) */
for (i = 0; i < strlen(prog); i++) {
if (prog[i] == '_')
prog[i] = '.';
}
#endif
if (argc < 2) {
MSG(0, "\tError: Device not specified\n");
error_out(prog);
}
if (!strcmp("fsck.f2fs", prog)) {
const char *option_string = ":aC:c:m:Md:fg:lO:p:q:StyV";
int opt = 0, val;
char *token;
struct option long_opt[] = {
{"dry-run", no_argument, 0, 1},
{"no-kernel-check", no_argument, 0, 2},
{"kernel-check", no_argument, 0, 3},
{"debug-cache", no_argument, 0, 4},
{0, 0, 0, 0}
};
c.func = FSCK;
c.cache_config.max_hash_collision = 16;
c.cache_config.dbg_en = false;
while ((option = getopt_long(argc, argv, option_string,
long_opt, &opt)) != EOF) {
switch (option) {
case 1:
c.dry_run = 1;
MSG(0, "Info: Dry run\n");
break;
case 2:
c.no_kernel_check = 1;
MSG(0, "Info: No Kernel Check\n");
break;
case 3:
c.no_kernel_check = 0;
MSG(0, "Info: Do Kernel Check\n");
break;
case 4:
c.cache_config.dbg_en = true;
break;
case 'a':
c.auto_fix = 1;
MSG(0, "Info: Fix the reported corruption.\n");
break;
case 'c':
c.cache_config.num_cache_entry = atoi(optarg);
break;
case 'm':
c.cache_config.max_hash_collision =
atoi(optarg);
break;
case 'g':
if (!strcmp(optarg, "android")) {
c.defset = CONF_ANDROID;
MSG(0, "Info: Set conf for android\n");
}
break;
case 'l':
c.layout = 1;
break;
case 'M':
c.show_file_map = 1;
break;
case 'O':
if (parse_feature(feature_table, optarg))
fsck_usage();
break;
case 'p':
/* preen mode has different levels:
* 0: default level, the same as -a
* 1: check meta
* 2: same as 0, but will skip some
* check for old kernel
*/
if (optarg[0] == '-' || !is_digits(optarg) ||
optind == argc) {
MSG(0, "Info: Use default preen mode\n");
c.preen_mode = PREEN_MODE_0;
c.auto_fix = 1;
optind--;
break;
}
c.preen_mode = atoi(optarg);
if (c.preen_mode < 0)
c.preen_mode = PREEN_MODE_0;
else if (c.preen_mode >= PREEN_MODE_MAX)
c.preen_mode = PREEN_MODE_MAX - 1;
if (c.preen_mode == PREEN_MODE_0 ||
c.preen_mode == PREEN_MODE_2)
c.auto_fix = 1;
MSG(0, "Info: Fix the reported corruption in "
"preen mode %d\n", c.preen_mode);
break;
case 'd':
if (optarg[0] == '-') {
err = ENEED_ARG;
break;
} else if (!is_digits(optarg)) {
err = EWRONG_OPT;
break;
}
c.dbg_lv = atoi(optarg);
MSG(0, "Info: Debug level = %d\n", c.dbg_lv);
break;
case 'f':
case 'y':
c.fix_on = 1;
c.force = 1;
MSG(0, "Info: Force to fix corruption\n");
break;
case 'q':
c.preserve_limits = atoi(optarg);
MSG(0, "Info: Preserve quota limits = %d\n",
c.preserve_limits);
break;
case 'S':
c.sparse_mode = 1;
break;
case 't':
c.show_dentry = 1;
break;
case ':':
if (optopt == 'p') {
MSG(0, "Info: Use default preen mode\n");
c.preen_mode = PREEN_MODE_0;
c.auto_fix = 1;
} else {
option = optopt;
err = ENEED_ARG;
break;
}
break;
case 'C':
token = strtok(optarg, ":");
val = f2fs_str2encoding(token);
if (val < 0) {
MSG(0, "\tError: Unknown encoding %s\n", token);
fsck_usage();
}
c.s_encoding = val;
token = strtok(NULL, "");
val = f2fs_str2encoding_flags(&token, &c.s_encoding_flags);
if (val) {
MSG(0, "\tError: Unknown flag %s\n", token);
fsck_usage();
}
c.feature |= cpu_to_le32(F2FS_FEATURE_CASEFOLD);
break;
case 'V':
show_version(prog);
exit(0);
case '?':
option = optopt;
fallthrough;
default:
err = EUNKNOWN_OPT;
break;
}
if (err != NOERROR)
break;
}
} else if (!strcmp("dump.f2fs", prog)) {
#ifdef WITH_DUMP
const char *option_string = "d:i:I:n:Ms:Sa:b:V";
static struct dump_option dump_opt = {
.nid = 0, /* default root ino */
.start_nat = -1,
.end_nat = -1,
.start_sit = -1,
.end_sit = -1,
.start_ssa = -1,
.end_ssa = -1,
.blk_addr = -1,
.scan_nid = 0,
};
c.func = DUMP;
while ((option = getopt(argc, argv, option_string)) != EOF) {
int ret = 0;
switch (option) {
case 'd':
if (!is_digits(optarg)) {
err = EWRONG_OPT;
break;
}
c.dbg_lv = atoi(optarg);
MSG(0, "Info: Debug level = %d\n",
c.dbg_lv);
break;
case 'i':
if (strncmp(optarg, "0x", 2))
ret = sscanf(optarg, "%d",
&dump_opt.nid);
else
ret = sscanf(optarg, "%x",
&dump_opt.nid);
break;
case 'I':
if (strncmp(optarg, "0x", 2))
ret = sscanf(optarg, "%d",
&dump_opt.scan_nid);
else
ret = sscanf(optarg, "%x",
&dump_opt.scan_nid);
break;
case 'n':
ret = sscanf(optarg, "%d~%d",
&dump_opt.start_nat,
&dump_opt.end_nat);
break;
case 'M':
c.show_file_map = 1;
break;
case 's':
ret = sscanf(optarg, "%d~%d",
&dump_opt.start_sit,
&dump_opt.end_sit);
break;
case 'S':
c.sparse_mode = 1;
break;
case 'a':
ret = sscanf(optarg, "%d~%d",
&dump_opt.start_ssa,
&dump_opt.end_ssa);
break;
case 'b':
if (strncmp(optarg, "0x", 2))
ret = sscanf(optarg, "%d",
&dump_opt.blk_addr);
else
ret = sscanf(optarg, "%x",
&dump_opt.blk_addr);
break;
case 'V':
show_version(prog);
exit(0);
default:
err = EUNKNOWN_OPT;
break;
}
ASSERT(ret >= 0);
if (err != NOERROR)
break;
}
c.private = &dump_opt;
#endif
} else if (!strcmp("defrag.f2fs", prog)) {
#ifdef WITH_DEFRAG
const char *option_string = "d:s:Sl:t:iV";
c.func = DEFRAG;
while ((option = getopt(argc, argv, option_string)) != EOF) {
int ret = 0;
switch (option) {
case 'd':
if (!is_digits(optarg)) {
err = EWRONG_OPT;
break;
}
c.dbg_lv = atoi(optarg);
MSG(0, "Info: Debug level = %d\n",
c.dbg_lv);
break;
case 's':
if (strncmp(optarg, "0x", 2))
ret = sscanf(optarg, "%"PRIu64"",
&c.defrag_start);
else
ret = sscanf(optarg, "%"PRIx64"",
&c.defrag_start);
break;
case 'S':
c.sparse_mode = 1;
break;
case 'l':
if (strncmp(optarg, "0x", 2))
ret = sscanf(optarg, "%"PRIu64"",
&c.defrag_len);
else
ret = sscanf(optarg, "%"PRIx64"",
&c.defrag_len);
break;
case 't':
if (strncmp(optarg, "0x", 2))
ret = sscanf(optarg, "%"PRIu64"",
&c.defrag_target);
else
ret = sscanf(optarg, "%"PRIx64"",
&c.defrag_target);
break;
case 'i':
c.defrag_shrink = 1;
break;
case 'V':
show_version(prog);
exit(0);
default:
err = EUNKNOWN_OPT;
break;
}
ASSERT(ret >= 0);
if (err != NOERROR)
break;
}
#endif
} else if (!strcmp("resize.f2fs", prog)) {
#ifdef WITH_RESIZE
const char *option_string = "d:fst:O:C:io:V";
int val;
char *token;
c.func = RESIZE;
while ((option = getopt(argc, argv, option_string)) != EOF) {
int ret = 0;
switch (option) {
case 'd':
if (!is_digits(optarg)) {
err = EWRONG_OPT;
break;
}
c.dbg_lv = atoi(optarg);
MSG(0, "Info: Debug level = %d\n",
c.dbg_lv);
break;
case 'f':
c.force = 1;
MSG(0, "Info: Force to resize\n");
break;
case 's':
c.safe_resize = 1;
break;
case 't':
if (strncmp(optarg, "0x", 2))
ret = sscanf(optarg, "%"PRIu64"",
&c.target_sectors);
else
ret = sscanf(optarg, "%"PRIx64"",
&c.target_sectors);
break;
case 'i':
c.large_nat_bitmap = 1;
break;
case 'O':
if (parse_feature(feature_table, optarg))
resize_usage();
break;
case 'C':
token = strtok(optarg, ":");
val = f2fs_str2encoding(token);
if (val < 0) {
MSG(0, "\tError: Unknown encoding %s\n", token);
}
c.s_encoding = val;
token = strtok(NULL, "");
val = f2fs_str2encoding_flags(&token, &c.s_encoding_flags);
if (val) {
MSG(0, "\tError: Unknown flag %s\n",token);
}
c.feature |= cpu_to_le32(F2FS_FEATURE_CASEFOLD);
case 'o':
c.new_overprovision = atof(optarg);
break;
case 'V':
show_version(prog);
exit(0);
default:
err = EUNKNOWN_OPT;
break;
}
ASSERT(ret >= 0);
if (err != NOERROR)
break;
}
#endif
} else if (!strcmp("sload.f2fs", prog)) {
#ifdef WITH_SLOAD
const char *option_string = "cL:a:i:x:m:rC:d:f:p:s:St:T:VP";
#ifdef HAVE_LIBSELINUX
int max_nr_opt = (int)sizeof(c.seopt_file) /
sizeof(c.seopt_file[0]);
char *token;
#endif
char *p;
c.func = SLOAD;
c.compress.cc.log_cluster_size = 2;
c.compress.alg = COMPR_LZ4;
c.compress.min_blocks = 1;
c.compress.filter_ops = &ext_filter;
while ((option = getopt(argc, argv, option_string)) != EOF) {
unsigned int i;
int val;
switch (option) {
case 'c': /* compression support */
c.compress.enabled = true;
break;
case 'L': /* compression: log of blocks-per-cluster */
c.compress.required = true;
val = atoi(optarg);
if (val < MIN_COMPRESS_LOG_SIZE ||
val > MAX_COMPRESS_LOG_SIZE) {
MSG(0, "\tError: log of blocks per"
" cluster must be in the range"
" of %d .. %d.\n",
MIN_COMPRESS_LOG_SIZE,
MAX_COMPRESS_LOG_SIZE);
error_out(prog);
}
c.compress.cc.log_cluster_size = val;
break;
case 'a': /* compression: choose algorithm */
c.compress.required = true;
c.compress.alg = MAX_COMPRESS_ALGS;
for (i = 0; i < MAX_COMPRESS_ALGS; i++) {
if (!strcmp(supported_comp_names[i],
optarg)) {
c.compress.alg = i;
break;
}
}
if (c.compress.alg == MAX_COMPRESS_ALGS) {
MSG(0, "\tError: Unknown compression"
" algorithm %s\n", optarg);
error_out(prog);
}
break;
case 'i': /* compress only these extensions */
c.compress.required = true;
if (c.compress.filter == COMPR_FILTER_ALLOW) {
MSG(0, "\tError: could not mix option"
" -i and -x\n");
error_out(prog);
}
c.compress.filter = COMPR_FILTER_DENY;
c.compress.filter_ops->add(optarg);
break;
case 'x': /* compress except for these extensions */
c.compress.required = true;
if (c.compress.filter == COMPR_FILTER_DENY) {
MSG(0, "\tError: could not mix option"
" -i and -x\n");
error_out(prog);
}
c.compress.filter = COMPR_FILTER_ALLOW;
c.compress.filter_ops->add(optarg);
break;
case 'm': /* minimum compressed blocks per cluster */
c.compress.required = true;
val = atoi(optarg);
if (val <= 0) {
MSG(0, "\tError: minimum compressed"
" blocks per cluster must be"
" positive.\n");
error_out(prog);
}
c.compress.min_blocks = val;
break;
case 'r': /* for setting FI_COMPRESS_RELEASED */
c.compress.required = true;
c.compress.readonly = true;
break;
case 'C':
c.fs_config_file = absolute_path(optarg);
break;
case 'd':
if (!is_digits(optarg)) {
err = EWRONG_OPT;
break;
}
c.dbg_lv = atoi(optarg);
MSG(0, "Info: Debug level = %d\n",
c.dbg_lv);
break;
case 'f':
c.from_dir = absolute_path(optarg);
break;
case 'p':
c.target_out_dir = absolute_path(optarg);
break;
case 's':
#ifdef HAVE_LIBSELINUX
token = strtok(optarg, ",");
while (token) {
if (c.nr_opt == max_nr_opt) {
MSG(0, "\tError: Expected at most %d selinux opts\n",
max_nr_opt);
error_out(prog);
}
c.seopt_file[c.nr_opt].type =
SELABEL_OPT_PATH;
c.seopt_file[c.nr_opt].value =
absolute_path(token);
c.nr_opt++;
token = strtok(NULL, ",");
}
#else
MSG(0, "Info: Not support selinux opts\n");
#endif
break;
case 'S':
c.sparse_mode = 1;
break;
case 't':
c.mount_point = (char *)optarg;
break;
case 'T':
c.fixed_time = strtoul(optarg, &p, 0);
break;
case 'V':
show_version(prog);
exit(0);
case 'P':
c.preserve_perms = 1;
break;
default:
err = EUNKNOWN_OPT;
break;
}
if (err != NOERROR)
break;
}
if (c.compress.required && !c.compress.enabled) {
MSG(0, "\tError: compression sub-options are used"
" without the compression enable (-c) option\n"
);
error_out(prog);
}
if (err == NOERROR && c.compress.enabled) {
c.compress.cc.cluster_size = 1
<< c.compress.cc.log_cluster_size;
if (c.compress.filter == COMPR_FILTER_UNASSIGNED)
c.compress.filter = COMPR_FILTER_ALLOW;
if (c.compress.min_blocks >=
c.compress.cc.cluster_size) {
MSG(0, "\tError: minimum reduced blocks by"
" compression per cluster must be at"
" most one less than blocks per"
" cluster, i.e. %d\n",
c.compress.cc.cluster_size - 1);
error_out(prog);
}
}
#endif /* WITH_SLOAD */
} else if (!strcmp("f2fslabel", prog)) {
#ifdef WITH_LABEL
const char *option_string = "V";
c.func = LABEL;
while ((option = getopt(argc, argv, option_string)) != EOF) {
switch (option) {
case 'V':
show_version(prog);
exit(0);
default:
err = EUNKNOWN_OPT;
break;
}
if (err != NOERROR)
break;
}
if (argc > (optind + 2)) { /* unknown argument(s) is(are) passed */
optind += 2;
err = EUNKNOWN_ARG;
} else if (argc == (optind + 2)) { /* change label */
c.vol_label = argv[optind + 1];
argc--;
} else { /* print label */
/*
* Since vol_label was initialized as "", in order to
* distinguish between clear label and print, set
* vol_label as NULL for print case
*/
c.vol_label = NULL;
}
#endif /* WITH_LABEL */
}
if (err == NOERROR) {
add_default_options();
if (optind >= argc) {
MSG(0, "\tError: Device not specified\n");
error_out(prog);
}
c.devices[0].path = strdup(argv[optind]);
if (argc > (optind + 1)) {
c.dbg_lv = 0;
err = EUNKNOWN_ARG;
}
if (err == NOERROR)
return;
}
/* print out error */
switch (err) {
case EWRONG_OPT:
MSG(0, "\tError: Wrong option -%c %s\n", option, optarg);
break;
case ENEED_ARG:
MSG(0, "\tError: Need argument for -%c\n", option);
break;
case EUNKNOWN_OPT:
MSG(0, "\tError: Unknown option %c\n", option);
break;
case EUNKNOWN_ARG:
MSG(0, "\tError: Unknown argument %s\n", argv[optind]);
break;
}
error_out(prog);
}
static int do_fsck(struct f2fs_sb_info *sbi)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
u32 flag = le32_to_cpu(ckpt->ckpt_flags);
u32 blk_cnt;
struct f2fs_compr_blk_cnt cbc;
errcode_t ret;
fsck_init(sbi);
print_cp_state(flag);
fsck_chk_and_fix_write_pointers(sbi);
fsck_chk_curseg_info(sbi);
if (!c.fix_on && !c.bug_on) {
switch (c.preen_mode) {
case PREEN_MODE_1:
if (fsck_chk_meta(sbi)) {
MSG(0, "[FSCK] F2FS metadata [Fail]");
MSG(0, "\tError: meta does not match, "
"force check all\n");
} else {
MSG(0, "[FSCK] F2FS metadata [Ok..]");
fsck_free(sbi);
return FSCK_SUCCESS;
}
if (!c.ro)
c.fix_on = 1;
break;
}
} else if (c.preen_mode) {
/*
* we can hit this in 3 situations:
* 1. fsck -f, fix_on has already been set to 1 when
* parsing options;
* 2. fsck -a && CP_FSCK_FLAG is set, fix_on has already
* been set to 1 when checking CP_FSCK_FLAG;
* 3. fsck -p 1 && error is detected, then bug_on is set,
* we set fix_on = 1 here, so that fsck can fix errors
* automatically
*/
c.fix_on = 1;
}
fsck_chk_checkpoint(sbi);
fsck_chk_quota_node(sbi);
/* Traverse all block recursively from root inode */
blk_cnt = 1;
cbc.cnt = 0;
cbc.cheader_pgofs = CHEADER_PGOFS_NONE;
if (c.feature & cpu_to_le32(F2FS_FEATURE_QUOTA_INO)) {
ret = quota_init_context(sbi);
if (ret) {
ASSERT_MSG("quota_init_context failure: %d", ret);
return FSCK_OPERATIONAL_ERROR;
}
}
fsck_chk_orphan_node(sbi);
fsck_chk_node_blk(sbi, NULL, sbi->root_ino_num,
F2FS_FT_DIR, TYPE_INODE, &blk_cnt, &cbc, NULL);
fsck_chk_quota_files(sbi);
ret = fsck_verify(sbi);
fsck_free(sbi);
if (!c.bug_on)
return FSCK_SUCCESS;
if (!ret)
return FSCK_ERROR_CORRECTED;
return FSCK_ERRORS_LEFT_UNCORRECTED;
}
#ifdef WITH_DUMP
static void do_dump(struct f2fs_sb_info *sbi)
{
struct dump_option *opt = (struct dump_option *)c.private;
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
u32 flag = le32_to_cpu(ckpt->ckpt_flags);
if (opt->end_nat == -1)
opt->end_nat = NM_I(sbi)->max_nid;
if (opt->end_sit == -1)
opt->end_sit = SM_I(sbi)->main_segments;
if (opt->end_ssa == -1)
opt->end_ssa = SM_I(sbi)->main_segments;
if (opt->start_nat != -1)
nat_dump(sbi, opt->start_nat, opt->end_nat);
if (opt->start_sit != -1)
sit_dump(sbi, opt->start_sit, opt->end_sit);
if (opt->start_ssa != -1)
ssa_dump(sbi, opt->start_ssa, opt->end_ssa);
if (opt->blk_addr != -1)
dump_info_from_blkaddr(sbi, opt->blk_addr);
if (opt->nid)
dump_node(sbi, opt->nid, 0);
if (opt->scan_nid)
dump_node_scan_disk(sbi, opt->scan_nid);
print_cp_state(flag);
}
#endif
#ifdef WITH_DEFRAG
static int do_defrag(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *sb = F2FS_RAW_SUPER(sbi);
if (get_sb(feature) & cpu_to_le32(F2FS_FEATURE_RO)) {
MSG(0, "Not support on readonly image.\n");
return -1;
}
if (c.defrag_start > get_sb(block_count))
goto out_range;
if (c.defrag_start < SM_I(sbi)->main_blkaddr)
c.defrag_start = SM_I(sbi)->main_blkaddr;
if (c.defrag_len == 0)
c.defrag_len = sbi->blocks_per_seg;
if (c.defrag_start + c.defrag_len > get_sb(block_count))
c.defrag_len = get_sb(block_count) - c.defrag_start;
if (c.defrag_target == 0) {
c.defrag_target = c.defrag_start - 1;
if (!c.defrag_shrink)
c.defrag_target += c.defrag_len + 1;
}
if (c.defrag_target < SM_I(sbi)->main_blkaddr ||
c.defrag_target > get_sb(block_count))
goto out_range;
if (c.defrag_target >= c.defrag_start &&
c.defrag_target < c.defrag_start + c.defrag_len)
goto out_range;
if (c.defrag_start > c.defrag_target)
MSG(0, "Info: Move 0x%"PRIx64" <- [0x%"PRIx64"-0x%"PRIx64"]\n",
c.defrag_target,
c.defrag_start,
c.defrag_start + c.defrag_len - 1);
else
MSG(0, "Info: Move [0x%"PRIx64"-0x%"PRIx64"] -> 0x%"PRIx64"\n",
c.defrag_start,
c.defrag_start + c.defrag_len - 1,
c.defrag_target);
return f2fs_defragment(sbi, c.defrag_start, c.defrag_len,
c.defrag_target, c.defrag_shrink);
out_range:
ASSERT_MSG("Out-of-range [0x%"PRIx64" ~ 0x%"PRIx64"] to 0x%"PRIx64"",
c.defrag_start,
c.defrag_start + c.defrag_len - 1,
c.defrag_target);
return -1;
}
#endif
#ifdef WITH_RESIZE
static int do_resize(struct f2fs_sb_info *sbi)
{
if (!c.target_sectors)
c.target_sectors = c.total_sectors;
if (c.target_sectors > c.total_sectors) {
ASSERT_MSG("Out-of-range Target=0x%"PRIx64" / 0x%"PRIx64"",
c.target_sectors, c.total_sectors);
return -1;
}
return f2fs_resize(sbi);
}
#endif
#ifdef WITH_SLOAD
static int init_compr(struct f2fs_sb_info *sbi)
{
if (!c.compress.enabled)
return 0;
if (!(sbi->raw_super->feature
& cpu_to_le32(F2FS_FEATURE_COMPRESSION))) {
MSG(0, "Error: Compression (-c) was requested "
"but the file system is not created "
"with such feature.\n");
return -1;
}
if (!supported_comp_ops[c.compress.alg].init) {
MSG(0, "Error: The selected compression algorithm is not"
" supported\n");
return -1;
}
c.compress.ops = supported_comp_ops + c.compress.alg;
c.compress.ops->init(&c.compress.cc);
c.compress.ops->reset(&c.compress.cc);
c.compress.cc.rlen = c.compress.cc.cluster_size * F2FS_BLKSIZE;
return 0;
}
static int do_sload(struct f2fs_sb_info *sbi)
{
if (!c.from_dir) {
MSG(0, "Info: No source directory, but it's okay.\n");
return 0;
}
if (!c.mount_point)
c.mount_point = "/";
if (init_compr(sbi))
return -1;
return f2fs_sload(sbi);
}
#endif
#ifdef WITH_LABEL
static int do_label(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *sb = F2FS_RAW_SUPER(sbi);
if (!c.vol_label) {
char label[MAX_VOLUME_NAME];
utf16_to_utf8(label, sb->volume_name,
MAX_VOLUME_NAME, MAX_VOLUME_NAME);
MSG(0, "Info: volume label = %s\n", label);
return 0;
}
if (strlen(c.vol_label) > MAX_VOLUME_NAME) {
ERR_MSG("Label should not exceed %d characters\n", MAX_VOLUME_NAME);
return -1;
}
utf8_to_utf16(sb->volume_name, (const char *)c.vol_label,
MAX_VOLUME_NAME, strlen(c.vol_label));
update_superblock(sb, SB_MASK_ALL);
MSG(0, "Info: volume label is changed to %s\n", c.vol_label);
return 0;
}
#endif
#ifdef HAVE_MACH_TIME_H
static u64 get_boottime_ns()
{
return mach_absolute_time();
}
#elif defined(HAVE_CLOCK_GETTIME) && defined(HAVE_CLOCK_BOOTTIME)
static u64 get_boottime_ns()
{
struct timespec t;
t.tv_sec = t.tv_nsec = 0;
clock_gettime(CLOCK_BOOTTIME, &t);
return (u64)t.tv_sec * 1000000000LL + t.tv_nsec;
}
#else
static u64 get_boottime_ns()
{
return 0;
}
#endif
int main(int argc, char **argv)
{
struct f2fs_sb_info *sbi;
int ret = 0, ret2;
u64 start = get_boottime_ns();
f2fs_init_configuration();
f2fs_parse_options(argc, argv);
if (c.func != DUMP && f2fs_devs_are_umounted() < 0) {
if (errno == EBUSY) {
ret = -1;
if (c.func == FSCK)
ret = FSCK_OPERATIONAL_ERROR;
goto quick_err;
}
if (!c.ro || c.func == DEFRAG) {
MSG(0, "\tError: Not available on mounted device!\n");
ret = -1;
if (c.func == FSCK)
ret = FSCK_OPERATIONAL_ERROR;
goto quick_err;
}
/* allow ro-mounted partition */
if (c.force) {
MSG(0, "Info: Force to check/repair FS on RO mounted device\n");
} else {
MSG(0, "Info: Check FS only on RO mounted device\n");
c.fix_on = 0;
c.auto_fix = 0;
}
}
/* Get device */
if (f2fs_get_device_info() < 0 || f2fs_get_f2fs_info() < 0) {
ret = -1;
if (c.func == FSCK)
ret = FSCK_OPERATIONAL_ERROR;
goto quick_err;
}
fsck_again:
memset(&gfsck, 0, sizeof(gfsck));
gfsck.sbi.fsck = &gfsck;
sbi = &gfsck.sbi;
ret = f2fs_do_mount(sbi);
if (ret != 0) {
if (ret == 1) {
MSG(0, "Info: No error was reported\n");
ret = 0;
}
goto out_err;
}
switch (c.func) {
case FSCK:
ret = do_fsck(sbi);
break;
#ifdef WITH_DUMP
case DUMP:
do_dump(sbi);
break;
#endif
#ifdef WITH_DEFRAG
case DEFRAG:
ret = do_defrag(sbi);
if (ret)
goto out_err;
break;
#endif
#ifdef WITH_RESIZE
case RESIZE:
if (do_resize(sbi))
goto out_err;
break;
#endif
#ifdef WITH_SLOAD
case SLOAD:
if (do_sload(sbi))
goto out_err;
ret = f2fs_sparse_initialize_meta(sbi);
if (ret < 0)
goto out_err;
f2fs_do_umount(sbi);
/* fsck to fix missing quota */
c.func = FSCK;
c.fix_on = 1;
goto fsck_again;
#endif
#ifdef WITH_LABEL
case LABEL:
if (do_label(sbi))
goto out_err;
break;
#endif
default:
ERR_MSG("Wrong program name\n");
ASSERT(0);
}
f2fs_do_umount(sbi);
if (c.func == FSCK && c.bug_on) {
if (!c.ro && c.fix_on == 0 && c.auto_fix == 0 && !c.dry_run) {
char ans[255] = {0};
retry:
printf("Do you want to fix this partition? [Y/N] ");
ret2 = scanf("%s", ans);
ASSERT(ret2 >= 0);
if (!strcasecmp(ans, "y"))
c.fix_on = 1;
else if (!strcasecmp(ans, "n"))
c.fix_on = 0;
else
goto retry;
if (c.fix_on)
goto fsck_again;
}
}
ret2 = f2fs_finalize_device();
if (ret2) {
if (c.func == FSCK)
return FSCK_OPERATIONAL_ERROR;
return ret2;
}
if (c.func == SLOAD)
c.compress.filter_ops->destroy();
if (!c.show_file_map)
printf("\nDone: %lf secs\n", (get_boottime_ns() - start) / 1000000000.0);
return ret;
out_err:
if (sbi->ckpt)
free(sbi->ckpt);
if (sbi->raw_super)
free(sbi->raw_super);
quick_err:
f2fs_release_sparse_resource();
return ret;
}
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