Im sure im not the first to have done something like this for logging or buffering in general, but im not aware of any writeups.

Information on lock free data structures and the caveats (they are extremely difficult to get right) is freely available though:

  http://www.cs.cmu.edu/~410-s05/lectures/L31_LockFree.pdf

  http://en.wikipedia.org/wiki/ABA_problem