> can you elaborate on the state of wedges

please ask thorpej. :)

iirc, it basically works, but needs something like devfs or udev
to be really useful.

> and if 3rd-party drivers have
> to make use of them, etc.?

i think, eventually most of disk drivers, at least ones for disks
which support some kinds of partitions, should use it,
implicitly or explicitly.

YAMAMOTO Takashi