From owner-freebsd-hackers  Tue Nov  6  9: 0:45 2001
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To: Dag-Erling Smorgrav <des@ofug.org>
Subject: Re: devfs? 
Cc: "Kevin D.Wooten" <kwooten@home.com>, freebsd-hackers@FreeBSD.ORG
In-reply-to: Your message of "06 Nov 2001 17:16:31 +0100."
		<xzp3d3rc1sw.fsf@flood.ping.uio.no> 
References: <xzp3d3rc1sw.fsf@flood.ping.uio.no>  <77717.1004986298@critter.freebsd.dk> <01110512492207.08198@newton.cevio.com> 
Date: Tue, 06 Nov 2001 10:00:31 -0700
From: Warner Losh <imp@harmony.village.org>
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In message <xzp3d3rc1sw.fsf@flood.ping.uio.no> Dag-Erling Smorgrav writes:
: Kevin D.Wooten <kwooten@home.com> writes:
: > Well the linux devfs has a compatibility mode that maintains a /dev
: > that looks exactly like pre-devfs ( the actual list of files is
: > static ), and only links up ( mknod ) the newly added devices to the
: > pre-existing files. There is also the non-compatible mode which only
: > has files for the devices you actually have, and creates the files
: > on demand.
: 
: What's the point with having device nodes for devices you don't have?

So open return -1 with errno set to ENXIO rater than ENOENT.

Warner

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