}
static const char * const cmd_qgroup_show_usage[] = {
- "btrfs qgroup show -pcreFf "
- "[--sort=qgroupid,rfer,excl,max_rfer,max_excl] <path>",
+ "btrfs qgroup show [options] <path>",
"Show subvolume quota groups.",
"-p print parent qgroup id",
"-c print child qgroup id",
" list qgroups sorted by specified items",
" you can use '+' or '-' in front of each item.",
" (+:ascending, -:descending, ascending default)",
+ "--sync force sync of the filesystem before getting info",
NULL
};
u64 qgroupid;
int filter_flag = 0;
unsigned unit_mode;
+ int sync = 0;
struct btrfs_qgroup_comparer_set *comparer_set;
struct btrfs_qgroup_filter_set *filter_set;
while (1) {
int c;
+ enum {
+ GETOPT_VAL_SYNC = 256
+ };
static const struct option long_options[] = {
{"sort", required_argument, NULL, 'S'},
+ {"sync", no_argument, NULL, GETOPT_VAL_SYNC},
{ NULL, 0, NULL, 0 }
};
if (ret)
usage(cmd_qgroup_show_usage);
break;
+ case GETOPT_VAL_SYNC:
+ sync = 1;
+ break;
default:
usage(cmd_qgroup_show_usage);
}
return 1;
}
+ if (sync) {
+ ret = ioctl(fd, BTRFS_IOC_SYNC);
+ if (ret < 0) {
+ error("sync ioctl failed on '%s': %s", path,
+ strerror(errno));
+ close_file_or_dir(fd, dirstream);
+ goto out;
+ }
+ }
+
if (filter_flag) {
ret = lookup_path_rootid(fd, &qgroupid);
if (ret < 0) {