Date: Wed, 24 Oct 2007 22:42:14 -0700 From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: freebsd-usb@freebsd.org Subject: Re: how to distinguish multiple umass devices? Message-ID: <20071025054214.GF39759@funkthat.com> In-Reply-To: <20071025011507.GA15904@hades.panopticon> References: <20071025011507.GA15904@hades.panopticon>
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Dmitry Marakasov wrote this message on Thu, Oct 25, 2007 at 05:15 +0400:
> I have multiple umass devices (flash key, player and photo camera), and
> I want to distinguish their devices in some way.
>
> The best thing would be to have /dev/flash, /dev/camera etc, as in this
> case I'll distinguish thoughput graphs on GKrellM system monitor. But I
> don't think it's possible, so I need a way to at least create
> corresponding symlinks in /dev. As I understand, devd is my savior, but
> there's one problem that bugs me: devd sees umass[012], but it doesn't
> know anything about da[012]. Is there guarantee that umassX matches daX,
> or is it possible to get da* device from devd on umass attach?
Why not try geom_label? Things like fat fs's will appear by their
volume in /dev/msdosfs/... check out glabel(8) for more info...
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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