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Date: Thu, 3 Oct 2002 12:21:13 -0400 (EDT)
From: Alexander Viro <viro@math.psu.edu>
To: Greg KH <greg@kroah.com>
cc: Kevin Corry <corryk@us.ibm.com>, linux-kernel@vger.kernel.org,
       evms-devel@lists.sourceforge.net, torvalds@transmeta.com
Subject: Re: EVMS Submission for 2.5
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On Thu, 3 Oct 2002, Greg KH wrote:

> > Umm...  OK.  There were some plans to add a notifier chain for such events
> > and EVMS looks like a possible user of that beast.  However, it's not
> > obvious whether we need to do any of that in the kernel - we definitely
> > can have userland up and running before _any_ block devices are initialized,
> > so it might be a work for userland helper.
> 
> /sbin/hotplug already gets called for _every_ device that is added to
> the system as of 2.5.40, so you should probably use that as your
> userspace notifier event.  If there's anything that the /sbin/hotplug
> call misses, that you need for evms, please let me know.

We need it
	a) early enough
	b) called for things like umem, etc. - random drivers built into
the tree and exporting several block devices.

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