linux-kernel - Re: GFS2: Add LED support to GFS2

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Message-ID: <20090722151521.GB6035@basil.fritz.box>
Date:	Wed, 22 Jul 2009 17:15:21 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Steven Whitehouse <swhiteho@...hat.com>
Cc:	Andi Kleen <andi@...stfloor.org>, cluster-devel@...hat.com,
	linux-kernel@...r.kernel.org, rpurdie@...ys.net
Subject: Re: GFS2: Add LED support to GFS2

> I did consider adding a feature to filter events on a per superblock
> basis, but I decided against it in the end, as it seemed to be making
> things too complicated (how should we specify the superblock? what
> should the user interface be?).

Maybe key on mount points? (so passing vfsmnts) 

So have some sysfs file where you echo mount points into to enable
LED activity.

Ok that would be a little clumpsy for a "10 million bind mounts" case,
but presumably that's very rare and they can still make it work.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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