tree 5b572e9bf4a13e05d0c3a9b8c36745ef06a92d58
parent cac36bb06efe4880234524e117e0e712b10b1f16
author Jens Axboe <jens.axboe@oracle.com> 1181674292 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1184047456 +0200

pipe: add documentation and comments

As per Andrew Mortons request, here's a set of documentation for
the generic pipe_buf_operations hooks, the pipe, and pipe_buffer
structures.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>