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Date: Tue, 5 Apr 2016 10:27:49 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Keith Busch <keith.busch@intel.com>
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Subject: Re: [PATCH 0/2] Block: Give option to force io polling
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On Tue, Apr 05, 2016 at 03:54:54PM +0000, Keith Busch wrote:
> I think it's more about providing opt-in control to make the low-latency
> benefit reachable to users with existing programs.

What program benefits from unconditional polling for all I/O on a given
device?