Conditionals can be eliminated, since we know exactely what the
situation looks like on Linux.
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
- Create the upper and work dirs if they don't exist yet.
- If the target doesn't exist, let it fail. The configuration
is bonkers.
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>