1357 					       struct drbd_epoch *epoch,  in drbd_may_finish_epoch()  argument
1368 		epoch_size = atomic_read(&epoch->epoch_size);  in drbd_may_finish_epoch()
1372 			atomic_dec(&epoch->active);  in drbd_may_finish_epoch()
1375 			set_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags);  in drbd_may_finish_epoch()
1383 		    atomic_read(&epoch->active) == 0 &&  in drbd_may_finish_epoch()
1384 		    (test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags) || ev & EV_CLEANUP)) {  in drbd_may_finish_epoch()
1387 				drbd_send_b_ack(epoch->connection, epoch->barrier_nr, epoch_size);  in drbd_may_finish_epoch()
1393 			if (test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags))  in drbd_may_finish_epoch()
1394 				dec_unacked(epoch->connection);  in drbd_may_finish_epoch()
1397 			if (connection->current_epoch != epoch) {  in drbd_may_finish_epoch()
1398 				next_epoch = list_entry(epoch->list.next, struct drbd_epoch, list);  in drbd_may_finish_epoch()
1399 				list_del(&epoch->list);  in drbd_may_finish_epoch()
1402 				kfree(epoch);  in drbd_may_finish_epoch()
1407 				epoch->flags = 0;  in drbd_may_finish_epoch()
1408 				atomic_set(&epoch->epoch_size, 0);  in drbd_may_finish_epoch()
1418 		epoch = next_epoch;  in drbd_may_finish_epoch()
1773 	struct drbd_epoch *epoch;  in receive_Barrier()  local
1794 		epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);  in receive_Barrier()
1795 		if (epoch)  in receive_Barrier()
1807 			epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);  in receive_Barrier()
1808 			if (epoch)  in receive_Barrier()
1819 	epoch->flags = 0;  in receive_Barrier()
1820 	atomic_set(&epoch->epoch_size, 0);  in receive_Barrier()
1821 	atomic_set(&epoch->active, 0);  in receive_Barrier()
1825 		list_add(&epoch->list, &connection->current_epoch->list);  in receive_Barrier()
1826 		connection->current_epoch = epoch;  in receive_Barrier()
1830 		kfree(epoch);  in receive_Barrier()
2272 …drbd_may_finish_epoch(peer_device->connection, peer_req->epoch, EV_PUT + (cancel ? EV_CLEANUP : 0)…  in e_end_block()
2659 	peer_req->epoch = connection->current_epoch;  in receive_Data()
2660 	atomic_inc(&peer_req->epoch->epoch_size);  in receive_Data()
2661 	atomic_inc(&peer_req->epoch->active);  in receive_Data()
2749 	drbd_may_finish_epoch(connection, peer_req->epoch, EV_PUT | EV_CLEANUP);  in receive_Data()