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The point I was trying to make in the article was more about reversing the direction of mounts so that instead of mounting a host directory on the guest you share a directory from the guest and mount it with a client on the host. You can achieve this using whatever – NFS, Samba, etc. This is obviously not a new concept but I find it astonishing that perhaps the majority of articles on the internet always talk about mounting a host directory on the guest which is problematic due to the reasons I covered in my article.

The main advantage of this approach is that your code resides on a native file system. This allows you to take advantage of this performance gain where it matters most, which for me is during runtime (I develop web applications and IO performance is of paramount importance). I care much, much less about performance on the host side.