AF_LOOPBACK
clear_bit(AF_LOOPBACK, &ha->flags);
if (test_bit(AF_LOOPBACK, &ha->flags)) {
(!test_bit(AF_LOOPBACK, &ha->flags));
set_bit(AF_LOOPBACK, &ha->flags);
clear_bit(AF_LOOPBACK, &ha->flags);
test_bit(AF_LOOPBACK, &ha->flags) ||
if (!test_bit(AF_LOOPBACK, &ha->flags) &&