1225 					       struct drbd_epoch *epoch,  in drbd_may_finish_epoch()  argument
1236 		epoch_size = atomic_read(&epoch->epoch_size);  in drbd_may_finish_epoch()
1240 			atomic_dec(&epoch->active);  in drbd_may_finish_epoch()
1243 			set_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags);  in drbd_may_finish_epoch()
1251 		    atomic_read(&epoch->active) == 0 &&  in drbd_may_finish_epoch()
1252 		    (test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags) || ev & EV_CLEANUP)) {  in drbd_may_finish_epoch()
1255 				drbd_send_b_ack(epoch->connection, epoch->barrier_nr, epoch_size);  in drbd_may_finish_epoch()
1261 			if (test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags))  in drbd_may_finish_epoch()
1262 				dec_unacked(epoch->connection);  in drbd_may_finish_epoch()
1265 			if (connection->current_epoch != epoch) {  in drbd_may_finish_epoch()
1266 				next_epoch = list_entry(epoch->list.next, struct drbd_epoch, list);  in drbd_may_finish_epoch()
1267 				list_del(&epoch->list);  in drbd_may_finish_epoch()
1270 				kfree(epoch);  in drbd_may_finish_epoch()
1275 				epoch->flags = 0;  in drbd_may_finish_epoch()
1276 				atomic_set(&epoch->epoch_size, 0);  in drbd_may_finish_epoch()
1286 		epoch = next_epoch;  in drbd_may_finish_epoch()
1520 	struct drbd_epoch *epoch;  in receive_Barrier()  local
1541 		epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);  in receive_Barrier()
1542 		if (epoch)  in receive_Barrier()
1554 			epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);  in receive_Barrier()
1555 			if (epoch)  in receive_Barrier()
1566 	epoch->flags = 0;  in receive_Barrier()
1567 	atomic_set(&epoch->epoch_size, 0);  in receive_Barrier()
1568 	atomic_set(&epoch->active, 0);  in receive_Barrier()
1572 		list_add(&epoch->list, &connection->current_epoch->list);  in receive_Barrier()
1573 		connection->current_epoch = epoch;  in receive_Barrier()
1577 		kfree(epoch);  in receive_Barrier()
1968 …drbd_may_finish_epoch(first_peer_device(device)->connection, peer_req->epoch, EV_PUT + (cancel ? E…  in e_end_block()
2336 	peer_req->epoch = connection->current_epoch;  in receive_Data()
2337 	atomic_inc(&peer_req->epoch->epoch_size);  in receive_Data()
2338 	atomic_inc(&peer_req->epoch->active);  in receive_Data()
2425 	drbd_may_finish_epoch(connection, peer_req->epoch, EV_PUT + EV_CLEANUP);  in receive_Data()