[PATCH 15/30] db: separate out straight buffer IO from map based IO.

[Christoph Hellwig]

On Fri, Nov 01, 2013 at 08:50:20AM +1100, Dave Chinner wrote:
> > The patch description is a little too short, there's not real
> > explanation of what it actually does.
> 
> I can fix that.

Thanks.  I think all the answers you gave to my comments make a good
enough explanation for this patch.