Messages in this thread | | | Date | Fri, 03 Sep 1999 19:50:16 +0200 | From | Manfred Spraul <> | Subject | Re: CONFIG_BIGMEM and rawio |
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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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