On 3/27/20 8:25 AM, Keith Busch wrote: > If you're really going to do it, though, I would recommend not using > NVME_IOCTL_SUBMIT_IO, and instead always use the more flexible > NVME_IOCTL_SUBMIT_IO. Err, that second ioctl should have said "NVME_IOCTL_IO_CMD".