[dm-devel] Re: [RFC] An alternative interface to device mapper

[corbet lwn net (Jonathan Corbet)]

Hey, Daniel,

> In more detail: ddlink is a generic pipe-like interface for controlling 
> device drivers.

I'm not in a position to say much about the wider picture at the moment,
but one quibble comes immediately to mind: why do you create yet another
communication path into the kernel rather than using netlink, which is
already there and used in a number of other contexts?

jon