nvme_keyring_id
EXPORT_SYMBOL_GPL(nvme_keyring_id);
key_serial_t keyring = nvme_keyring_id();
if (IS_ENABLED(CONFIG_NVME_TARGET_TCP_TLS) && nvme_keyring_id()) {
port->keyring = key_lookup(nvme_keyring_id());
key_serial_t nvme_keyring_id(void);