Re: What's wrong with IDE patch and what proper solution should be...

From: Paul Barton-Davis (pbd@Op.Net)
Date: Mon Jul 24 2000 - 08:15:49 EST


>Thats right. I agree with that completely. You put a layer of
>abstraction in so FEATURE_1 maps to vendor 1's proprietary
>command for feature 1, and FEATURE_1 maps to vendor 2's
>proprietary and different command, etc..
>
>1 driver that supports multiple hardware. NOT multiple drivers.

And so what do you do when there is a FEATURE for a device that
communicates via a standard protocol that doesn't map onto the
existing FEATURE set ? Simply say "sorry, you'll need a new kernel
module for that (even though we know you used to be able to just send
a generic SCSI message) ?" Or do you go for code bloat, and now
require all low level disk interfaces to support, for example,
password-controlled write-protection (the Jaz drives have this, for
example) ? This looks suspiciously like the Idiot's Veto, in that any
FEATURE present on any device has to implemented (even if just with a
stub) by all.

--p

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