S_HCMD_ACTIVE
set_bit(S_HCMD_ACTIVE, &il->status);
!test_bit(S_HCMD_ACTIVE, &il->status),
if (test_bit(S_HCMD_ACTIVE, &il->status)) {
clear_bit(S_HCMD_ACTIVE, &il->status);
clear_bit(S_HCMD_ACTIVE, &il->status);
clear_bit(S_HCMD_ACTIVE, &il->status);
test_bit(S_HCMD_ACTIVE, &il->status));