LK_STATE_IN_USE
if (!test_bit(LK_STATE_IN_USE, &state->flags))
if (test_bit(LK_STATE_IN_USE, &state->flags)) {
set_bit(LK_STATE_IN_USE, &state->flags);
clear_bit(LK_STATE_IN_USE, &state->flags);
if (test_bit(LK_STATE_IN_USE, &state->flags) == 0)
TRACE_DEFINE_ENUM(LK_STATE_IN_USE);
{ LK_STATE_IN_USE, "IN_USE" }, \