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Date: Wed, 2 Oct 2002 19:02:57 -0400 (EDT)
From: Alexander Viro <viro@math.psu.edu>
To: Kevin Corry <corryk@us.ibm.com>
cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org,
       evms-devel@lists.sourceforge.net
Subject: Re: EVMS Submission for 2.5
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On Wed, 2 Oct 2002, Kevin Corry wrote:

> So the question is, will there be a method to simply get a list of registered 
> disks on the system, or an API to call to run a function for each disk? If 
> so, we'll gladly switch to using that. If not, do you have any suggestions 
> for how this kind of functionality can be achieved with your upcoming changes?

That _really_ depends on the nature of functions you want to call that
way.

I might agree with something along the lines of
	* when evms is initialized, it's notified of all existing gendisks
	* whenever disk is added after evms initialization, we notify evms
	* whenever disk is removed, we notify evms

However, I doubt that it's what you really want.  In particular, you
probably want to see partitioning changes as well as gendisk ones
(and no, "evms will handle all partitioning" is _not_ an acceptable
answer).  Moreover, "gendisk is here" != "something is in the drive".

IOW, the real question is what are you going to do with that list of
gendisks?

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