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Date:      Wed, 29 Oct 1997 15:23:31 -0800 (PST)
From:      Julian Elischer <julian@whistle.com>
To:        S?ren Schmidt <sos@FreeBSD.dk>
Cc:        FreeBSD hackers <hackers@FreeBSD.ORG>
Subject:   Re: Multi CD CDROM drive support added to current
Message-ID:  <Pine.BSF.3.95.971029152151.9219F-100000@current1.whistle.com>
In-Reply-To: <199710292212.XAA00392@sos.freebsd.dk>

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One modification you might consider is an interlock,
where once it has accepted a command for one drive,
it only queues (and doesn't execute) commands for the other drives
for some period (e.g. 2 seconds)
and then swap,

julian

On Wed, 29 Oct 1997, S?ren Schmidt wrote:

> For those that dont read the commit logs:
> 
> First cut at supporting multi-CD CDROM drives (changers).
> 
> Very rudimentary, lots of error checks missing, but it works.
> Dont do an ls on two different CD's though, it will eat your
> changer mechanism for lunch :), this clearly needs some more
> thought. Until then this will enable those with changers to
> mount their multible CD's and doing "sensible" work....
> 
> Thanks to Andrew Gordon <arg@arg1.demon.co.uk> for donating a drive
> (a NEC CDR-C251 4x4) that makes this possible to develop.            
> 
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> Søren Schmidt               (sos@FreeBSD.org)               FreeBSD Core Team
>                 Even more code to hack -- will it ever end
> ..
> 




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