[PATCH rfc 09/10] nvmet: Use non-selective polling

[Johannes Thumshirn]

On 03/09/2017 02:16 PM, Sagi Grimberg wrote:
> It doesn't really make sense to do selective polling
> because we never care about specific IOs. Non selective
> polling can actually help by doing some useful work
> while we're submitting a command.
> 
> We ask for a batch of (magic) 4 completions which looks
> like a decent network<->backend proportion, if less are
> available we'll see less.
> 
> Signed-off-by: Sagi Grimberg <sagi at grimberg.me>
> ---

Just out of curiosity, how did you come up with the magic 4?

Thanks,
	Johannes

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Johannes Thumshirn                                          Storage
jthumshirn at suse.de                                +49 911 74053 689
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