THEY did not do that, I did.
If you read the posts that go along with each posted archive, you will learn why things are the way you find them now.
OH- the NFS-3 client - present on all factory firmwares - Kindle kernels can load their filesystem from an NFS server.
I am the one that added the NFS-3 server.
And yes - I added the CIFS server also - -
Just in case some Windoze user wants to export the Kindle FS on its native networking.
And yes - it works.