SUBSYS_ATTR_RO 2556 drivers/nvme/host/core.c static SUBSYS_ATTR_RO(subsysnqn, S_IRUGO, nvme_subsys_show_nqn); SUBSYS_ATTR_RO 2567 drivers/nvme/host/core.c static SUBSYS_ATTR_RO(field, S_IRUGO, subsys_##field##_show);