tree 800e093961ca3a81ccc201db0afab7205134cb75
parent f600abe2de81628c40effbb3f8eaf5af0d291e57
author Jens Axboe <jens.axboe@oracle.com> 1239689967 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1239776890 +0200

Document and move the various READ/WRITE types

It's a somewhat twisty maze of hints and behavioural modifiers, try
and clear it up a bit with some documentation.

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