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Date: Tue, 10 Jul 2007 11:04:47 +0200
From: Cornelia Huck <cornelia.huck@de.ibm.com>
To: Tejun Heo <htejun@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>,
       Kernel development list <linux-kernel@vger.kernel.org>
Subject: Re: Sysfs and suicidal attributes
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On Tue, 10 Jul 2007 17:49:37 +0900,
Tejun Heo <htejun@gmail.com> wrote:

> What I was trying to say was that suicide and murder could be done the
> same way from the driver's POV or am I misunderstanding?

Do you mean a device unregistering itself from its attribute vs. a
device unregistering another device from its attribute?

> 
> > A general immediate disconnect of the buffers (which will be handled in
> > a second pass) would be great, but doesn't sound easy.
> 
> I haven't thought too hard about actual implementation but it's pretty
> specific case.  If doing things in generic manner is difficult, there
> are plenty of shortcuts to choose from, I think.

The "second pass" approach where the store method calls the sysfs core
or sets a flag or whatever sounds doable, but I'm not sure how general
we can get. Maybe for all store methods that just trigger an action.