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unionfs-fuse is a unionfs filesystem implementation using fuse.
It is meant to be way more flexible than the current in-kernel unionfs solution.
Why choose this stuff?
* The filesystem has to be mounted after the roots are mounted when using the standard module.
With unionfs-fuse, you can mount the roots later and their contents will appear seamlesly
* You get caching (provided by the underlying FUSE page cache) which speeds things up a lot for free
* Advanced features like copy-on-write and more
Why NOT choose it?
* Compared to kernel-space solution we need lots of useless context switches which makes
kernel-only solution clear speed-winner
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