Am Dienstag, 30. November 2004 08:02 schrieb Meelis Roos:
> > I do not see a good solution at this time.
> >
> > rwsem is a non-starter. IMHO, rwsems are optimizations for normal
> > semaphores,
> > and the code must remain correct regardless what is used.
>
> Why is an additional lock needed at all? Why can't we just use devsem?
Good question, but it wouldn't help you, would it?
> Also, what exactly is the correctness issue here?
Some (storage) devices need a sequence of control messages in an
exact uninterrupted order. The patch includes a commentary explaining it.
Regards
Oliver
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