nbd-netlink supports setting up an NBD device for a specified socket and
parameters, using the Linux kernel's netlink interface to NBD. Unlike the
ioctl-based interface, the netlink interface can hand off a socket to the
kernel without leaving a thread or process running.
rust
use std::net::{Ipv4Addr, TcpStream};
use nbd_netlink::{NBD, NBDConnect};
let nbd_socket = TcpStream::connect((Ipv4Addr::LOCALHOST, 10809))?;
nbd_socket.set_nodelay(true);
let mut nbd = NBD::new()?;
let index = NBDConnect::new()
.size_bytes(1048576)
.read_only(true)
.connect(&mut nbd, &[nbd_socket])?;