test_and_set_bit
if (!test_and_set_bit(0, &conn->c_map_queued)) {
if (test_and_set_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags)) {
if (test_and_set_bit(RDSV3_MR_DEAD, &mr->r_state))
!test_and_set_bit(RDSV3_RECONNECT_PENDING, &conn->c_flags))
!test_and_set_bit(RDSV3_RECONNECT_PENDING, &conn->c_flags))