+void bch2_disk_groups_to_text(struct printbuf *out, struct bch_fs *c)
+{
+ struct bch_disk_groups_cpu *g;
+ struct bch_dev *ca;
+ int i;
+ unsigned iter;
+
+ out->atomic++;
+ rcu_read_lock();
+
+ g = rcu_dereference(c->disk_groups);
+ if (!g)
+ goto out;
+
+ for (i = 0; i < g->nr; i++) {
+ if (i)
+ prt_printf(out, " ");
+
+ if (g->entries[i].deleted) {
+ prt_printf(out, "[deleted]");
+ continue;
+ }
+
+ prt_printf(out, "[parent %d devs", g->entries[i].parent);
+ for_each_member_device_rcu(ca, c, iter, &g->entries[i].devs)
+ prt_printf(out, " %s", ca->name);
+ prt_printf(out, "]");
+ }
+
+out:
+ rcu_read_unlock();
+ out->atomic--;
+}
+