When to use a freezeable workqueue?

[Stefan Richter]

In which situations is create_freezeable_workqueue() to be preferred
over create_singlethread_workqueue()?

Is a freezable worqueue preferable whenever the worker thread /can/ be
frozen, or is it only to be used if the thread /must/ be frozen during
suspend?

Thanks,
-- 
Stefan Richter
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http://arcgraph.de/sr/
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