Re: [PATCH 1/3] block: fast-path for small and simple direct I/O requests

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On Mon, Nov 14, 2016 at 01:00:09PM -0700, Jens Axboe wrote:
> Prefetches like that tend to grow stale, in my experience. So we should
> probably just evaluate the new path cache behavior and see if it makes
> sense.

Yes.  I've tested the patches with that in place, but it didn't
make a difference.  Probably because we're not wasting many cycles
between the possible place for the prefetch and the use of it anyway.
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