Reported-by: Fabian Sturm <fabian.sturm@aduu.de>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
mount -t overlay overlay -olowerdir=/lower1:/lower2:/lower3 /merged
-As the example shows, "upperdir=" and "workdir=" may be omitted. In that case
-the overlay will be read-only.
+As the example shows, "upperdir=" and "workdir=" may be omitted. In
+that case the overlay will be read-only.
+
+The specified lower directories will be stacked beginning from the
+rightmost one and going left. In the above example lower1 will be the
+top, lower2 the middle and lower3 the bottom layer.
Non-standard behavior