int main(int argc, char **argv)
{
int opt;
int all = 0;
int full = 0;
int force = 0;
char *filename;
int fd = -1;
int i;
u64 arg;
u64 sb_bytenr = btrfs_sb_offset(0);
while ((opt = getopt(argc, argv, "fFai:s:")) != -1) {
switch (opt) {
case 'i':
arg = arg_strtou64(optarg);
if (arg >= BTRFS_SUPER_MIRROR_MAX) {
fprintf(stderr,
"Illegal super_mirror %llu\n",
arg);
print_usage();
exit(1);
}
sb_bytenr = btrfs_sb_offset(arg);
break;
case 'a':
all = 1;
break;
case 'f':
full = 1;
break;
case 'F':
force = 1;
break;
case 's':
sb_bytenr = arg_strtou64(optarg);
all = 0;
break;
default:
print_usage();
exit(1);
}
}
set_argv0(argv);
if (check_argc_min(argc - optind, 1)) {
print_usage();
exit(1);
}
for (i = optind; i < argc; i++) {
filename = argv[i];
fd = open(filename, O_RDONLY, 0666);
if (fd < 0) {
fprintf(stderr, "Could not open %s\n", filename);
exit(1);
}
if (all) {
int idx;
for (idx = 0; idx < BTRFS_SUPER_MIRROR_MAX; idx++) {
sb_bytenr = btrfs_sb_offset(idx);
if (load_and_dump_sb(filename, fd,
sb_bytenr, full, force)) {
close(fd);
exit(1);
}
putchar('\n');
}
} else {
load_and_dump_sb(filename, fd, sb_bytenr, full, force);
putchar('\n');
}
close(fd);
}
exit(0);
}
int cmd_inspect_dump_super(int argc, char **argv)
{
int all = 0;
int full = 0;
int force = 0;
char *filename;
int fd = -1;
int i;
int ret = 0;
u64 arg;
u64 sb_bytenr = btrfs_sb_offset(0);
while (1) {
int c;
enum { GETOPT_VAL_BYTENR = 257 };
static const struct option long_options[] = {
{"all", no_argument, NULL, 'a'},
{"bytenr", required_argument, NULL, GETOPT_VAL_BYTENR },
{"full", no_argument, NULL, 'f'},
{"force", no_argument, NULL, 'F'},
{"super", required_argument, NULL, 's' },
{NULL, 0, NULL, 0}
};
c = getopt_long(argc, argv, "fFai:s:", long_options, NULL);
if (c < 0)
break;
switch (c) {
case 'i':
warning(
"option -i is deprecated, please use -s or --super");
arg = arg_strtou64(optarg);
if (arg >= BTRFS_SUPER_MIRROR_MAX) {
error("super mirror too big: %llu >= %d",
arg, BTRFS_SUPER_MIRROR_MAX);
return 1;
}
sb_bytenr = btrfs_sb_offset(arg);
break;
case 'a':
all = 1;
break;
case 'f':
full = 1;
break;
case 'F':
force = 1;
break;
case 's':
arg = arg_strtou64(optarg);
if (BTRFS_SUPER_MIRROR_MAX <= arg) {
warning(
"deprecated use of -s <bytenr> with %llu, assuming --bytenr",
(unsigned long long)arg);
sb_bytenr = arg;
} else {
sb_bytenr = btrfs_sb_offset(arg);
}
all = 0;
break;
case GETOPT_VAL_BYTENR:
arg = arg_strtou64(optarg);
sb_bytenr = arg;
all = 0;
break;
default:
usage_unknown_option(cmd_inspect_dump_super_usage, argv);
}
}
if (check_argc_min(argc - optind, 1))
return 1;
for (i = optind; i < argc; i++) {
filename = argv[i];
fd = open(filename, O_RDONLY);
if (fd < 0) {
error("cannot open %s: %m", filename);
ret = 1;
goto out;
}
if (all) {
int idx;
for (idx = 0; idx < BTRFS_SUPER_MIRROR_MAX; idx++) {
sb_bytenr = btrfs_sb_offset(idx);
if (load_and_dump_sb(filename, fd,
sb_bytenr, full, force)) {
close(fd);
ret = 1;
goto out;
}
putchar('\n');
}
} else {
load_and_dump_sb(filename, fd, sb_bytenr, full, force);
putchar('\n');
}
close(fd);
}
out:
return ret;
}
