tree d09b7c8612f7652576ae3b75b80f7aaec303143e
parent dd662667e6d3e55b42798a6e6e7f37dddc639460
author Miklos Szeredi <mszeredi@suse.cz> 1418428783 +0100
committer Miklos Szeredi <mszeredi@suse.cz> 1418428783 +0100

ovl: helper to iterate layers

Add helper to iterate through all the layers, starting from the upper layer
(if exists) and continuing down through the lower layers.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>