Re: scsi idle for 2.2.x kernels

From: Daniel Kobras (daniel.kobras@student.uni-tuebingen.de)
Date: Tue Mar 14 2000 - 19:49:21 EST


On Tue, 14 Mar 2000, Towers, Tim (London) wrote:

> I located a patch from you in the archives that
> contained changes for scsi-idle under kernel 2.2.5.
> (Aug 1999).

As long as I know it, scsi-idle has undergone what I call hot potatoe
maintainance: the first who got annoyed that it didn't work with a new
kernel tweaked it until it worked again and that was it. The core code
hasn't changed for ages.

> Have you got an updated version for 2.2.14-ish?
> (I couldn't extract the contents from the web page)
> or alternatively, has a kind person folded them in
> already :-)

Can you go see if noflushd works for you? The very latest is version 1.8.3
in http://www.tuebingen.linux.de/kobras/noflushd/testing/. The tarball has
a directroy contrib/ where you'll find a small kernel patch to 2.2.13 that
works for 2.2.14 as well. But also have a look at the caveats in the
accompanying README! This patch is the essence of scsi-idle with
all its downsides: it's not SMP-safe and rumour has very vage reports of
scsi-idle wrecking data. From a safety point of view, noflushd w/scsi is
no better or worse than the original scsi-idle. It worked for most people
but be warned. Thanks to Eric Youngdale I hope to come up with a better
patch for 2.4 one day, but this is currently preemted by other (paid ;-)
tasks for the moment.

Regards,

Daniel.

-- 
	GNU/Linux Audio Mechanics - http://www.glame.de
	      GPG Key ID 89BF7E2B - http://www.keyserver.net

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