From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kay Sievers <kay.sievers@vrfy.org>
Date: Wed, 13 Aug 2008 18:52:18 +0000
Subject: Re: Patches for device names
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List-Id: <linux-hotplug.vger.kernel.org>
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To: linux-hotplug@vger.kernel.org

On Wed, 2008-08-13 at 11:22 -0700, H. Peter Anvin wrote:
> Greg KH wrote:
> > 
> > So the kernel should cache this information?  That's a mess, why do that
> > when userspace already has this mapping (udevinfo provides it).  We
> > already have a mapping from device major/minor already in sysfs as well.
> > 
> > So why would the kernel need to care about this?
> > 
> 
> Fair enough.
> 
> Now, calling udevinfo is quite expensive; is this information available 
> through a programmatic API?

Not directly to udev, because all higher level stuff uses HAL. We could
create a shared library that offers access to the udev database, but
there was no real need for that.

Thanks,
Kay