From: David Brownell <david-b@pacbell.net>
To: linux-hotplug@vger.kernel.org
Subject: Re: usb-mount (hotplug + desktop hooks)
Date: Thu, 21 Nov 2002 20:30:57 +0000 [thread overview]
Message-ID: <marc-linux-hotplug-103791077318587@msgid-missing> (raw)
In-Reply-To: <marc-linux-hotplug-103558971618973@msgid-missing>
Michael Hamilton wrote:
>
> I tried two of the same device, devlabel's scsi_unique_id utility returns
> the same ID for both:
>
> model: Neodio TNeodio/Leadtek W
> page83: No page83 information found.
> page80: 1f00
Yeah, there are a whole bunch more IDs that ought to be available
when making such decisions. USB serial numbers for one, and also
"physical" IDs that don't change until you physically re-cable
the device or subsystem. (And there are other labels ...)
2.5 has a kind of physical device ID available: the sysfs path
of the device. (It's less stable than it should be ... but that
can be improved.) Bus or class level hotplug agents can use
/sys/$DEVPATH to see more info about the devices ... which I'll
suspect doesn't cover much of the data that'd be important to user
mode tools like devlabel or usb-mount.
I'm not sure what's up with "disk hotplug" (wasn't there a disk
"class" a while back?) or how it might relate to the /sys/block
stuff that I see lately. Would someone working in that area have
any insights to share -- Pat, Greg? :)
- Dave
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prev parent reply other threads:[~2002-11-21 20:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-25 23:46 usb-mount (hotplug + desktop hooks) David Brownell
2002-10-26 9:35 ` Oliver Neukum
2002-10-28 21:52 ` Gary_Lerhaupt
2002-11-02 23:32 ` Michael Hamilton
2002-11-04 16:38 ` Gary_Lerhaupt
2002-11-05 9:46 ` Michael Hamilton
2002-11-06 4:23 ` Ajay
2002-11-06 9:21 ` Michael Hamilton
2002-11-06 15:53 ` Gary_Lerhaupt
2002-11-07 5:03 ` Michael Hamilton
2002-11-07 16:05 ` Gary_Lerhaupt
2002-11-11 8:11 ` Michael Hamilton
2002-11-11 15:39 ` Gary_Lerhaupt
2002-11-13 8:55 ` Michael Hamilton
2002-11-21 20:30 ` David Brownell [this message]
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