Re: [PATCH 25/20] sysfs: Only support removing emtpy sysfs directories.

From: Alan Stern
Date: Tue May 26 2009 - 22:17:56 EST

On Wed, 27 May 2009, Kay Sievers wrote:

> On Wed, May 27, 2009 at 01:49, James Bottomley
> <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote:
> > OK ... perhaps we have to wait a little harder: try this; it waits until
> > all the targets have disappeared from visibility via an event.
> That seems to work fine here.

It's good for a short-term fix. For the longer term, I still think
it's a mistake to wait for the sdevs to be released before deleting the
target. It gives user programs the ability to block the host-removal
thread indefinitely.

Alan Stern

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