unionfs and tmpfs?

[Ivan Voras]

Howard Su wrote:
>    tmpfs can not work with unionfs in rw mode like the most filesystem in
>    the tree except ufs. That because they didn't implement VOP_WHITEOUT.
> 
>    You can mount_unionfs any fs under readonly mode. I will spend some
>    time to implement it.

Thank you. This feature is very usable at least for liveCD applications.

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