}
static const char * const cmd_qgroup_show_usage[] = {
- "btrfs qgroup show -p <path>",
+ "btrfs qgroup show -pc <path>",
"Show all subvolume quota groups.",
"-p print parent qgroup id",
+ "-c print child qgroup id",
NULL
};
optind = 1;
while (1) {
- c = getopt(argc, argv, "p");
+ c = getopt(argc, argv, "pc");
if (c < 0)
break;
switch (c) {
btrfs_qgroup_setup_print_column(
BTRFS_QGROUP_PARENT);
break;
+ case 'c':
+ btrfs_qgroup_setup_print_column(
+ BTRFS_QGROUP_CHILD);
+ break;
default:
usage(cmd_qgroup_show_usage);
}
.need_print = 0,
},
{
+ .name = "child",
+ .column_name = "Child",
+ .need_print = 0,
+ },
+ {
.name = NULL,
.column_name = NULL,
.need_print = 0,
printf("---");
}
+static void print_child_column(struct btrfs_qgroup *qgroup)
+{
+ struct btrfs_qgroup_list *list = NULL;
+
+ list_for_each_entry(list, &qgroup->members, next_member) {
+ printf("%llu/%llu", (list->member)->qgroupid >> 48,
+ ((1ll << 48) - 1) & (list->member)->qgroupid);
+ if (!list_is_last(&list->next_member, &qgroup->members))
+ printf(",");
+ }
+ if (list_empty(&qgroup->members))
+ printf("---");
+}
+
static void print_qgroup_column(struct btrfs_qgroup *qgroup,
enum btrfs_qgroup_column_enum column)
{
case BTRFS_QGROUP_PARENT:
print_parent_column(qgroup);
break;
+ case BTRFS_QGROUP_CHILD:
+ print_child_column(qgroup);
+ break;
default:
break;
}