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Date: Sun, 01 Jul 2007 23:31:53 -0600 (MDT)
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To: nate@root.org
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: phk@phk.freebsd.dk, marck@rinet.ru, current@freebsd.org
Subject: Re: GEOM weirdness with SD flash reader?
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In message: <4688878F.20406@root.org>
            Nate Lawson <nate@root.org> writes:
: Poul-Henning Kamp wrote:
: > In message <4688830C.6050701@root.org>, Nate Lawson writes:
: > 
: >> camcontrol tur (test unit ready) will return an error or success if the
: >> medium is now present.  Kicking off a process to do that when a
: >> removable media da(4) device appears seems like a good idea.  It could
: >> also be a thread in devd.
: > 
: > I would call that "The Linux Solution" :-)
: > 
: > The right place to poll is from scsi_da.
: 
: I disagree.  Once scsi_da found the media, it would then somehow need to
: notify devd (i.e. to automount).  If both functions are in devd, the
: loop becomes:
: 
: while (1) {
:     camcontrol tur mydev;
:     if (found)
:         notify_automount;
:         break;
:     sleep 3;
: }

This doesn't belong in devd.

Robert has patches to bring new geom entries into the realm of devd.

Warner