http://lkml.indiana.edu/hypermail/linux/kernel/0206.1/0402.html

In particular, he said:

~ PS. And never _ever_ make the "pointerness" part of the type. People who write

        typedef struct urb_struct * urbp_t;

I took this advice seriously and held out to the bitter end. But today I released this code:

https://github.com/chkoreff/Fexl/commit/9e361240168151706bcc289b400059a37c5245d8

Look at the difference in that sample code in the commit message. Using typedef is so obviously better that I just have to ignore Linus' advice here.