mutex lock for filesystem list.

[Julian Elischer]

Ed Schouten wrote:
> And of course I forgot to answer all the questions.
> 
> * Fernando Apesteguía <fernando.apesteguia at gmail.com> wrote:
>> In addition I'd like to know if there is a book similar to the
>> Understanding the Linux kernel, but for freebsd. What is the best
>> information source to get introduced in the freebsd kernel programming
>> (apart of the code itself)?
> 
> I guess most people would say "The Design and Implementation of the
> FreeBSD Operating System", by McKusick and Neville-Neil:
> 
> 	http://www.amazon.com/Design-Implementation-FreeBSD-Operating-System/dp/0201702452

but be warned that th at book was written part way through the SMP 
rewrite so a lot has changed... Dr McKusick said the words "Next 
edition" the other day but I think it's still just a glimmer in his eye.

> 
> Yours,