TCMU_CMD_BIT_KEEP_BUF
if (test_bit(TCMU_CMD_BIT_KEEP_BUF, &cmd->flags)) {
set_bit(TCMU_CMD_BIT_KEEP_BUF, &cmd->flags);
test_bit(TCMU_CMD_BIT_KEEP_BUF, &cmd->flags)) {
if (!test_bit(TCMU_CMD_BIT_KEEP_BUF, &cmd->flags))
(test_bit(TCMU_CMD_BIT_KEEP_BUF, &cmd->flags) ?
!test_bit(TCMU_CMD_BIT_KEEP_BUF, &cmd->flags)) {
if (!test_bit(TCMU_CMD_BIT_KEEP_BUF, &cmd->flags)) {