Small bug in arla

[Assar Westerlund]

Robert P Ricci <ricci at eng.utah.edu> writes:
> Turns out this was caused because we had a volume that, through some
> operator error, had only a backup volume - no RW or RO. Though this is
> obviously not a normal case, maybe this case should just spit out a
> debugging message, and return ENOENT.

You're right.  Sometimes the code has too many asserts that should
really be run-time errors.  I've fixed this the obvious way (returning
ENOENT instead of assert:ing).  Thanks for your report.

/assar