1226 					       struct drbd_epoch *epoch,  in drbd_may_finish_epoch()  argument
1237 		epoch_size = atomic_read(&epoch->epoch_size);  in drbd_may_finish_epoch()
1241 			atomic_dec(&epoch->active);  in drbd_may_finish_epoch()
1244 			set_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags);  in drbd_may_finish_epoch()
1252 		    atomic_read(&epoch->active) == 0 &&  in drbd_may_finish_epoch()
1253 		    (test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags) || ev & EV_CLEANUP)) {  in drbd_may_finish_epoch()
1256 				drbd_send_b_ack(epoch->connection, epoch->barrier_nr, epoch_size);  in drbd_may_finish_epoch()
1262 			if (test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags))  in drbd_may_finish_epoch()
1263 				dec_unacked(epoch->connection);  in drbd_may_finish_epoch()
1266 			if (connection->current_epoch != epoch) {  in drbd_may_finish_epoch()
1267 				next_epoch = list_entry(epoch->list.next, struct drbd_epoch, list);  in drbd_may_finish_epoch()
1268 				list_del(&epoch->list);  in drbd_may_finish_epoch()
1271 				kfree(epoch);  in drbd_may_finish_epoch()
1276 				epoch->flags = 0;  in drbd_may_finish_epoch()
1277 				atomic_set(&epoch->epoch_size, 0);  in drbd_may_finish_epoch()
1287 		epoch = next_epoch;  in drbd_may_finish_epoch()
1521 	struct drbd_epoch *epoch;  in receive_Barrier()  local
1542 		epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);  in receive_Barrier()
1543 		if (epoch)  in receive_Barrier()
1555 			epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);  in receive_Barrier()
1556 			if (epoch)  in receive_Barrier()
1567 	epoch->flags = 0;  in receive_Barrier()
1568 	atomic_set(&epoch->epoch_size, 0);  in receive_Barrier()
1569 	atomic_set(&epoch->active, 0);  in receive_Barrier()
1573 		list_add(&epoch->list, &connection->current_epoch->list);  in receive_Barrier()
1574 		connection->current_epoch = epoch;  in receive_Barrier()
1578 		kfree(epoch);  in receive_Barrier()
1969 …drbd_may_finish_epoch(first_peer_device(device)->connection, peer_req->epoch, EV_PUT + (cancel ? E…  in e_end_block()
2337 	peer_req->epoch = connection->current_epoch;  in receive_Data()
2338 	atomic_inc(&peer_req->epoch->epoch_size);  in receive_Data()
2339 	atomic_inc(&peer_req->epoch->active);  in receive_Data()
2426 	drbd_may_finish_epoch(connection, peer_req->epoch, EV_PUT + EV_CLEANUP);  in receive_Data()