disk.tree

All drives linked in /dev/cdrom* will be ignored.

Signed-off-by: Thiago H. S. Picharski <thsp08@c3sl.ufpr.br>
Acked-by: Diego Pasqualin <dgp06@c3sl.ufpr.br>
Acked-by: Vinicius Ruoso <vkr07@c3sl.ufpr.br>
Signed-off-by: Josiney de Souza <josineys@c3sl.ufpr.br>