static int cmd_device_usage(int argc, char **argv)
{
unsigned unit_mode;
int ret = 0;
int i;
unit_mode = get_unit_mode_from_arg(&argc, argv, 1);
clean_args_no_options(argc, argv, 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 (i > 1)
printf("\n");
fd = btrfs_open_dir(argv[i], &dirstream, 1);
if (fd < 0) {
ret = 1;
break;
}
ret = _cmd_device_usage(fd, argv[i], unit_mode);
close_file_or_dir(fd, dirstream);
if (ret)
break;
}
return !!ret;
}
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;
}
int cmd_filesystem_usage(int argc, char **argv)
{
int ret = 0;
unsigned unit_mode;
int i;
int more_than_one = 0;
int tabular = 0;
unit_mode = get_unit_mode_from_arg(&argc, argv, 1);
optind = 1;
while (1) {
int c;
c = getopt(argc, argv, "T");
if (c < 0)
break;
switch (c) {
case 'T':
tabular = 1;
break;
default:
usage(cmd_filesystem_usage_usage);
}
}
if (check_argc_min(argc - optind, 1))
usage(cmd_filesystem_usage_usage);
for (i = optind; i < argc; i++) {
int fd;
DIR *dirstream = NULL;
struct chunk_info *chunkinfo = NULL;
struct device_info *devinfo = NULL;
int chunkcount = 0;
int devcount = 0;
fd = open_file_or_dir(argv[i], &dirstream);
if (fd < 0) {
fprintf(stderr, "ERROR: can't access '%s'\n",
argv[i]);
ret = 1;
goto out;
}
if (more_than_one)
printf("\n");
ret = load_chunk_and_device_info(fd, &chunkinfo, &chunkcount,
&devinfo, &devcount);
if (ret)
goto cleanup;
ret = print_filesystem_usage_overall(fd, chunkinfo, chunkcount,
devinfo, devcount, argv[i], unit_mode);
if (ret)
goto cleanup;
printf("\n");
ret = print_filesystem_usage_by_chunk(fd, chunkinfo, chunkcount,
devinfo, devcount, argv[i], unit_mode, tabular);
cleanup:
close_file_or_dir(fd, dirstream);
free(chunkinfo);
free(devinfo);
if (ret)
goto out;
more_than_one = 1;
}
out:
return !!ret;
}
