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To: Andriy Gapon <avg@icyb.net.ua>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Thu, 21 Feb 2008 14:31:53 +0200."
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Date: Thu, 21 Feb 2008 13:27:52 +0000
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Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org,
	freebsd-geom@freebsd.org
Subject: Re: newfs_msdos and dvd-ram (fwsectors, fwheads) 
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In message <47BD6F39.7080105@icyb.net.ua>, Andriy Gapon writes:
>on 17/02/2008 13:39 Andriy Gapon said the following:

>I see two approaches:
>1) fake those properties in device drivers, primarily cd(4) and acd(4);
>   benefit: this can help other utilities besides newfs_msdos

No.

The geom attributes are provided if they are available only.

It is the responsibility of the application code to decide
and handle their absence.

>2) fake those properties in newfs_msdof;
>   benefit: this would help with other physical devices that can host
>   FAT;

This is the way to do it, but it might make sense to make a library
routine do it, to get consistent behaviour.

-- 
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.