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;

	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();

	unit_mode = get_unit_mode_from_arg(&argc, argv, 0);

	optind = 1;
	while (1) {
		int c;
		static const struct option long_options[] = {
			{"sort", required_argument, NULL, 'S'},
			{ NULL, 0, NULL, 0 }
		};

		c = getopt_long(argc, argv, "pcreFf", long_options, NULL);
		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;
		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 = btrfs_open_dir(path, &dirstream, 1);
	if (fd < 0) {
		btrfs_qgroup_free_filter_set(filter_set);
		btrfs_qgroup_free_comparer_set(comparer_set);
		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)
		error("can't list qgroups: %s", strerror(e));

	return !!ret;
}
예제 #2
0
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;
}