In message <200002140658.HAA28041@oboe.it.uc3m.es> you write:
> This was where I had to make a couple of reverse engineering decisions
> in the rewrite of the generic read_prco. I decided there were three and
> maybe more modes of use:
>
> 0) 1 page files (< 4k)
> 1) more than single page files
> 2) files where client controls ppos
> 3) files where the client software supplies the buffer
>
> 0) is signalled in the old code by start=0. Maintained.
> 1) is signalled in the old code by start<page. Needs changing.
> 2) not entirely sure.
> 3) is signalled in the old code by start>=page. Yerrghhh.
This seems wrong: start < page indicates (2): I assumed when writing
it that the only other valid case was `start points into the page
supplied, just maybe not the start of page').
There may well be a bug here.
Rusty.
-- Hacking time.- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Feb 15 2000 - 21:00:26 EST