Since the author of this post is Jeremy Allison, a major Samba contributor, I also suggest reading the Samba code. I've been working with it, and have found it

Since the author of this post is Jeremy Allison, a major Samba contributor, I also suggest reading the Samba code. I've been working with it, and have found it clean and well-structured. A great example of how to write a networked filesystem.