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

Eric W. Biederman
2009-05-27T18:00:17Z

Alan Stern <stern@rowland.harvard.edu> writes:

> On Wed, 27 May 2009, Kay Sievers wrote:
>
>> On Wed, May 27, 2009 at 01:49, James Bottomley
>> <James.Bottomley@hansenpartnership.com> 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.

How can user programs block removal indefinitely today?

Eric