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


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