>How impossible would it be to get the block numbers for a file on an HFS
>partition?  With _absolute_ accuracy?  If that's possible without
>incredible hoop-jumping, it would be possible to set up the installer to
>create a 20 meg file or larger on an HFS partition and use it for swap
>space.  It would take some kernel patches to support it, maybe as a
>variable passed in from the booter, which defaults to using the normal
>swap, but could also accept (with a current booter) either an alternate
>swap partition (on another drive) or a file on the Mac-Side.

I would love to be able to re-use my MacOS Swap partition (which is full of
a single VM file) as a BSD swap partition.

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h.b.hotz@jpl.nasa.gov, or hbhotz@oxy.edu