Re: [PATCH] Re: Old HD driver does not compile in 2.3.99pre9-2

From: Andrzej Krzysztofowicz (ankry@green.mif.pg.gda.pl)
Date: Sun May 21 2000 - 15:10:41 EST


> Andries Brouwer wrote:
> > > Or is the "old disk-only driver" hd.c obsolete and to be dropped ?
> >
> > The fact that you are the first to complain is an indication
> > that not many kernel developers use this old hd.c.
> > But it should remain functional.
>
> Isn't this about the time that we can say: This is depreciated so much
> that it will no longer work?
>
> We kept it around because it was a VERY important driver, and we
> weren't completely sure that the new version would work for everyone.
> Well, we've tried it for a few years now, and it works. So the old one
> can be dropped.

The main hd.c advantage is its size.

ls -l hd.o
-rw-r--r-- 1 root root 11308 May 21 20:27 hd.o

while the whole ide* support (even if disk only) is ~120 kB.

Important difference for old low memory systems...

And results of combining hd.c with IDE chipset tuning code (for PIO) may
be quite good.

Andrzej

-- 
=======================================================================
  Andrzej M. Krzysztofowicz               ankry@mif.pg.gda.pl
  phone (48)(58) 347 14 61
Faculty of Applied Phys. & Math.,   Technical University of Gdansk

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