boot sequence discussion

[David Nicol]

> VFS doesn't take away the lower level of mounting a file system, it's a
> layer of abstraction that hides the details of the process. (This is a Very
> Good Thing, because it allows the code for managing files, directories,
> pipes, etc. to be written once at the top layer, a second layer to handle
> logical representation schemes, and a lower layer to work with the physical
> hardware.)  There's still got to be a device, a driver, and the low-level
> code that knows about the actual representation of the filesystems on
> whatever media they occupy.

initfs appears (from the configuration dialog) to be its own ittybitty fs that
reads cpio archives.  From memory.  Possibly in-place.  I think that could
live entirely in your second layer.