Date: Sun, 01 Jul 2007 22:05:19 -0700 From: Nate Lawson <nate@root.org> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: marck@rinet.ru, "M. Warner Losh" <imp@bsdimp.com>, current@freebsd.org Subject: Re: GEOM weirdness with SD flash reader? Message-ID: <4688878F.20406@root.org> In-Reply-To: <54253.1183351841@critter.freebsd.dk> References: <54253.1183351841@critter.freebsd.dk>
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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;
}
--
Nate
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