Re: CONFIG_BIGMEM and rawio
Manfred Spraul (manfreds@colorfullife.com)
Fri, 03 Sep 1999 19:50:16 +0200
Andrea Arcangeli wrote:
>
> On Fri, 3 Sep 1999, Stephen C. Tweedie wrote:
>
> >the IO for write, after the IO for read. Nobody else has to know. We
> >already implement bounce buffers underneath the ll_rw_block interface
> >for some ISA devices and it works just fine.
>
> If I understood well you want to do the copy of only of the current
> req->bh and not of all the list of bh queued following the
> req->bh->b_reqnext pointer. I think this because you said you need to do a
> copy in the IO-completation callback.
Stephen, which ISA device implements bounce buffers?
--
Manfred
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