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Date:      Mon, 22 Sep 1997 13:07:22 -0600 (MDT)
From:      Nate Williams <nate@mt.sri.com>
To:        "Justin T. Gibbs" <gibbs@plutotech.com>
Cc:        Bruce Evans <bde@zeta.org.au>, current@freebsd.org, nate@mt.sri.com
Subject:   Re: cvs commit: src/sys/conf files src/sys/dev/vx if_vx.c if_vxreg.h src/sys/i386/apm apm.c src/sys/i386/conf GENERIC files.i386 src/sys/i386/eisa 3c5x9.c aha1742.c aic7770.c bt74x.c eisaconf.c eisaconf.h if_fea.c if_vx_eisa.c src/sys/i386/i386 autoconf.c ... 
Message-ID:  <199709221907.NAA02110@rocky.mt.sri.com>
In-Reply-To: <199709221501.JAA16510@pluto.plutotech.com>
References:  <199709221440.AAA18001@godzilla.zeta.org.au> <199709221501.JAA16510@pluto.plutotech.com>

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> The current implementation only needs to allocate a callout at a time if
> it wants to grow the number of callouts.  It may, in fact be nice to add
> an interface for clients to add additional callouts if they are heavy
> users of them.  For instance, the CAM system grows it's number of
> transactions dynamically and will simply stop growing if it can't malloc
> more.  In your scenario, if you can't allocate space for a drive and it's
> transactions, you can't talk to the drive.

Umm, how does the CAM system still talk to a drive if it can't establish
a callout for it?  If it can do that now, then it can certainly do it
with the old solution.



Nate



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