FABRIC_COMANDS_BLOCKED
clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) {
!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);