NBD_CMD_INFLIGHT
complete = __test_and_clear_bit(NBD_CMD_INFLIGHT,
if (!__test_and_clear_bit(NBD_CMD_INFLIGHT, &cmd->flags)) {
__clear_bit(NBD_CMD_INFLIGHT, &cmd->flags);
if (!test_bit(NBD_CMD_INFLIGHT, &cmd->flags)) {
__clear_bit(NBD_CMD_INFLIGHT, &cmd->flags);
__clear_bit(NBD_CMD_INFLIGHT, &cmd->flags);
__set_bit(NBD_CMD_INFLIGHT, &cmd->flags);
if (!test_bit(NBD_CMD_INFLIGHT, &cmd->flags)) {