Re: [PATCH] pvsync2: Make hipri option probabilistic

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On 07/26/2017 05:05 PM, sbates@xxxxxxxxxxxx wrote:
> From: Stephen Bates <sbates@xxxxxxxxxxxx>
> 
> Allow the user to set the probability of a pvsync2 IO being high
> priority. This allows the user to investigate performance when there
> is a mix of higher and lower priority IO.

You are potentially breaking existing scripts with this change. If
someone currently has:

hipri=1

in their job file, it'll work fine. After this change, it'll be 1%
polled IO.

-- 
Jens Axboe

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