This patch set adds some needed preparations for the upcoming NVMe over Fabrics support. Contains: - Allow transfer size limitations for NVMe transports - Add the get_log_page command definition required by the NVMe target - more helpers in core code that can be used by various transports - add some missing constants and identify attributes -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html