Dear Okajima,

On Mon, Jul 3, 2023 at 6:19 AM <hooanon...@gmail.com> wrote:
>
  //snip
> > For example overlayfs uses lowerdir=/lower1:/lower2:/lower3, so the usage
> > of colon as separator within an option value is not unique.
>
> I know about that.
> But overlayfs doesn't have the layer attribute such as "=rw" and "=rr".

Does this look ok? --
  mount -t aufs -o br=${BR1_ATTR}:${PATH_TO_BR1} -o
br=${BR2_ATTR}:${PATH_TO_BR2}
which is equivalent to
  mount -t aufs -o br=${BR1_ATTR}:${PATH_TO_BR1},br=${BR2_ATTR}:${PATH_TO_BR2}
(Special characters need to be escaped in the latter form.)

Regards,
Guan

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