1358 					       struct drbd_epoch *epoch,  in drbd_may_finish_epoch()  argument
1369 		epoch_size = atomic_read(&epoch->epoch_size);  in drbd_may_finish_epoch()
1373 			atomic_dec(&epoch->active);  in drbd_may_finish_epoch()
1376 			set_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags);  in drbd_may_finish_epoch()
1384 		    atomic_read(&epoch->active) == 0 &&  in drbd_may_finish_epoch()
1385 		    (test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags) || ev & EV_CLEANUP)) {  in drbd_may_finish_epoch()
1388 				drbd_send_b_ack(epoch->connection, epoch->barrier_nr, epoch_size);  in drbd_may_finish_epoch()
1394 			if (test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags))  in drbd_may_finish_epoch()
1395 				dec_unacked(epoch->connection);  in drbd_may_finish_epoch()
1398 			if (connection->current_epoch != epoch) {  in drbd_may_finish_epoch()
1399 				next_epoch = list_entry(epoch->list.next, struct drbd_epoch, list);  in drbd_may_finish_epoch()
1400 				list_del(&epoch->list);  in drbd_may_finish_epoch()
1403 				kfree(epoch);  in drbd_may_finish_epoch()
1408 				epoch->flags = 0;  in drbd_may_finish_epoch()
1409 				atomic_set(&epoch->epoch_size, 0);  in drbd_may_finish_epoch()
1419 		epoch = next_epoch;  in drbd_may_finish_epoch()
1740 	struct drbd_epoch *epoch;  in receive_Barrier()  local
1761 		epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);  in receive_Barrier()
1762 		if (epoch)  in receive_Barrier()
1774 			epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);  in receive_Barrier()
1775 			if (epoch)  in receive_Barrier()
1786 	epoch->flags = 0;  in receive_Barrier()
1787 	atomic_set(&epoch->epoch_size, 0);  in receive_Barrier()
1788 	atomic_set(&epoch->active, 0);  in receive_Barrier()
1792 		list_add(&epoch->list, &connection->current_epoch->list);  in receive_Barrier()
1793 		connection->current_epoch = epoch;  in receive_Barrier()
1797 		kfree(epoch);  in receive_Barrier()
2221 …drbd_may_finish_epoch(peer_device->connection, peer_req->epoch, EV_PUT + (cancel ? EV_CLEANUP : 0)…  in e_end_block()
2607 	peer_req->epoch = connection->current_epoch;  in receive_Data()
2608 	atomic_inc(&peer_req->epoch->epoch_size);  in receive_Data()
2609 	atomic_inc(&peer_req->epoch->active);  in receive_Data()
2697 	drbd_may_finish_epoch(connection, peer_req->epoch, EV_PUT | EV_CLEANUP);  in receive_Data()