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From: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
To: Jeff Garzik <jgarzik@pobox.com>
Subject: Re: Worrisome IDE PIO transfers...
Date: Sun, 29 Feb 2004 04:05:19 +0100
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On Sunday 29 of February 2004 01:58, Jeff Garzik wrote:

> > I like Alan's idea to use loopback instead of "bswap".
>
> Neat but no more zerocopy that way.  I much prefer a swap-as-you-go...

Okay, better solution:

- on Atari/Q40:
  if drive->bswap use insw/outsw instead of swapping variants
 
- on others:
  use device mapper as suggested by Matt Mackall
  (no extra copying and you can use DMA to read disk from TiVo!)

Bartlomiej