On Mon, Feb 08, 2016 at 12:01:16PM +0200, Sagi Grimberg wrote: > >> Do we have defined sysfs attributes for NVMe devices nowadays? > > /sys/block/nvme0n1/uuid That's only supported for NVMe 1.1 and higher devices, and optional. For older or stupid devices we need to support the algorithm based on the serial attribute from nvme_fill_device_id_scsi_string() in drivers/nvme/host/scsi.c. Which btw is іncorrect as it doesn't identify namespaces properly, and thus the associatation of 0 is an actively harmful lie. -- 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