Re: [PATCH] async: fix __lowest_in_progress()

[Linus Torvalds]

Tejun, mind explaining this one a bit more to me?

If ordering matters, and we have a running queue and a pending queue,
how could the pending queue *ever* be lower than the running one?

That implies that something was taken off the pending queue and put on
the running queue out of order, right?

And that in turn implies that there isn't much of a "lowest" ordering
at all, so how could anybody even care about what lowest is? It seems
to be a meaningless measure.

So with that in mind, I don't see what semantics the first part of the
patch fixes. Can you explain more?

               Linus
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