static int cmd_qgroup_show(int argc, char **argv)
{
char *path;
int ret = 0;
int fd;
int e;
DIR *dirstream = NULL;
u64 qgroupid;
int filter_flag = 0;
unsigned unit_mode = UNITS_DEFAULT;
struct btrfs_qgroup_comparer_set *comparer_set;
struct btrfs_qgroup_filter_set *filter_set;
filter_set = btrfs_qgroup_alloc_filter_set();
comparer_set = btrfs_qgroup_alloc_comparer_set();
optind = 1;
while (1) {
int c;
int option_index = 0;
static const struct option long_options[] = {
{"sort", 1, NULL, 'S'},
{"raw", no_argument, NULL, GETOPT_VAL_RAW},
{"kbytes", no_argument, NULL, GETOPT_VAL_KBYTES},
{"mbytes", no_argument, NULL, GETOPT_VAL_MBYTES},
{"gbytes", no_argument, NULL, GETOPT_VAL_GBYTES},
{"tbytes", no_argument, NULL, GETOPT_VAL_TBYTES},
{"si", no_argument, NULL, GETOPT_VAL_SI},
{"iec", no_argument, NULL, GETOPT_VAL_IEC},
{ "human-readable", no_argument, NULL,
GETOPT_VAL_HUMAN_READABLE},
{ NULL, 0, NULL, 0 }
};
c = getopt_long(argc, argv, "pcreFf",
long_options, &option_index);
if (c < 0)
break;
switch (c) {
case 'p':
btrfs_qgroup_setup_print_column(
BTRFS_QGROUP_PARENT);
break;
case 'c':
btrfs_qgroup_setup_print_column(
BTRFS_QGROUP_CHILD);
break;
case 'r':
btrfs_qgroup_setup_print_column(
BTRFS_QGROUP_MAX_RFER);
break;
case 'e':
btrfs_qgroup_setup_print_column(
BTRFS_QGROUP_MAX_EXCL);
break;
case 'F':
filter_flag |= 0x1;
break;
case 'f':
filter_flag |= 0x2;
break;
case 'S':
ret = btrfs_qgroup_parse_sort_string(optarg,
&comparer_set);
if (ret)
usage(cmd_qgroup_show_usage);
break;
case GETOPT_VAL_RAW:
unit_mode = UNITS_RAW;
break;
case GETOPT_VAL_KBYTES:
units_set_base(&unit_mode, UNITS_KBYTES);
break;
case GETOPT_VAL_MBYTES:
units_set_base(&unit_mode, UNITS_MBYTES);
break;
case GETOPT_VAL_GBYTES:
units_set_base(&unit_mode, UNITS_GBYTES);
break;
case GETOPT_VAL_TBYTES:
units_set_base(&unit_mode, UNITS_TBYTES);
break;
case GETOPT_VAL_SI:
units_set_mode(&unit_mode, UNITS_DECIMAL);
break;
case GETOPT_VAL_IEC:
units_set_mode(&unit_mode, UNITS_BINARY);
break;
case GETOPT_VAL_HUMAN_READABLE:
unit_mode = UNITS_HUMAN_BINARY;
break;
default:
usage(cmd_qgroup_show_usage);
}
}
btrfs_qgroup_setup_units(unit_mode);
if (check_argc_exact(argc - optind, 1))
usage(cmd_qgroup_show_usage);
path = argv[optind];
fd = open_file_or_dir(path, &dirstream);
if (fd < 0) {
fprintf(stderr, "ERROR: can't access '%s'\n", path);
return 1;
}
if (filter_flag) {
qgroupid = btrfs_get_path_rootid(fd);
if (filter_flag & 0x1)
btrfs_qgroup_setup_filter(&filter_set,
BTRFS_QGROUP_FILTER_ALL_PARENT,
qgroupid);
if (filter_flag & 0x2)
btrfs_qgroup_setup_filter(&filter_set,
BTRFS_QGROUP_FILTER_PARENT,
qgroupid);
}
ret = btrfs_show_qgroups(fd, filter_set, comparer_set);
e = errno;
close_file_or_dir(fd, dirstream);
if (ret < 0)
fprintf(stderr, "ERROR: can't list qgroups: %s\n",
strerror(e));
return !!ret;
}
int cmd_device_usage(int argc, char **argv)
{
unsigned unit_mode = UNITS_DEFAULT;
int ret = 0;
int i, more_than_one = 0;
optind = 1;
while (1) {
int c;
static const struct option long_options[] = {
{ "raw", no_argument, NULL, 'b'},
{ "kbytes", no_argument, NULL, 'k'},
{ "mbytes", no_argument, NULL, 'm'},
{ "gbytes", no_argument, NULL, 'g'},
{ "tbytes", no_argument, NULL, 't'},
{ "si", no_argument, NULL, GETOPT_VAL_SI},
{ "iec", no_argument, NULL, GETOPT_VAL_IEC},
{ "human-readable", no_argument, NULL,
GETOPT_VAL_HUMAN_READABLE},
{ NULL, 0, NULL, 0 }
};
c = getopt_long(argc, argv, "bhHkmgt", long_options, NULL);
if (c < 0)
break;
switch (c) {
case 'b':
unit_mode = UNITS_RAW;
break;
case 'k':
units_set_base(&unit_mode, UNITS_KBYTES);
break;
case 'm':
units_set_base(&unit_mode, UNITS_MBYTES);
break;
case 'g':
units_set_base(&unit_mode, UNITS_GBYTES);
break;
case 't':
units_set_base(&unit_mode, UNITS_TBYTES);
break;
case GETOPT_VAL_HUMAN_READABLE:
case 'h':
unit_mode = UNITS_HUMAN_BINARY;
break;
case 'H':
unit_mode = UNITS_HUMAN_DECIMAL;
break;
case GETOPT_VAL_SI:
units_set_mode(&unit_mode, UNITS_DECIMAL);
break;
case GETOPT_VAL_IEC:
units_set_mode(&unit_mode, UNITS_BINARY);
break;
default:
usage(cmd_device_usage_usage);
}
}
if (check_argc_min(argc - optind, 1))
usage(cmd_device_usage_usage);
for (i = optind; i < argc ; i++) {
int fd;
DIR *dirstream = NULL;
if (more_than_one)
printf("\n");
fd = open_file_or_dir(argv[i], &dirstream);
if (fd < 0) {
fprintf(stderr, "ERROR: can't access '%s'\n",
argv[1]);
ret = 1;
goto out;
}
ret = _cmd_device_usage(fd, argv[i], unit_mode);
close_file_or_dir(fd, dirstream);
if (ret)
goto out;
more_than_one = 1;
}
out:
return !!ret;
}
