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To: "Greg 'groggy' Lehey" <grog@FreeBSD.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Mon, 29 Sep 2003 08:30:08 +0930."
             <20030928230008.GF11520@wantadilla.lemis.com> 
Date: Mon, 29 Sep 2003 07:12:20 +0200
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cc: arch@FreeBSD.org
cc: current@FreeBSD.org
Subject: Re: HEADSUP: Change of makedev() semantics. 
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In message <20030928230008.GF11520@wantadilla.lemis.com>, "Greg 'groggy' Lehey"
 writes:
>
>--yRA+Bmk8aPhU85Qt
>Content-Type: text/plain; charset=us-ascii
>Content-Disposition: inline
>
>On Sunday, 28 September 2003 at 23:22:07 +0200, Poul-Henning Kamp wrote:
>> Basically:
>>
>> 	3. If you do a "normal" device driver, cache the result
>> 	   from when you call make_dev().
>> ...
>>
>> 	./dev/vinum
>> 		Failure to cache result of make_dev() ?
>
>Where should this be cached?  Can you point to example code?

Almost any other device driver.  It is usually stored in the softc
structure.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.