Re: 2.5.6: ide driver broken in PIO mode
Jens Axboe (axboe@suse.de)
Wed, 13 Mar 2002 21:34:08 +0100
On Wed, Mar 13 2002, Linus Torvalds wrote:
> In article <Pine.LNX.4.21.0203131339050.26768-100000@serv>,
> Roman Zippel <zippel@linux-m68k.org> wrote:
> >
> >I first noticed the problem on my Amiga, but I can reproduce it on an ia32
> >machine, when I turn off dma with hdparm.
>
> With PIO, the current IDE/bio stuff doesn't like the write-multiple
> interface and has bad interactions.
>
> Jens, you talked about a patch from Supparna two weeks ago, any
> progress?
I can fix this tomorrow, the stuff from Supparna was just a small bio
helper to retrieve the segments in a request. Just what we need for
write-multi.
--
Jens Axboe
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