On Fri, Sep 11, 2015 at 4:06 PM, Chris Mason <clm@xxxxxx> wrote:
>
> Originally I was worried about the latency impact of holding the
> plugs over more than one super with high end flash. I just didn't want
> to hold onto the IO for longer than we had to.
>
> But, since this isn't really latency sensitive anyway, if we find we're
> not keeping the flash pipelines full the right answer is to short
> circuit the plugging in general. I'd agree actual throughput should be
> the same.
Yeah, this only triggers for system-wide writeback, so I don't seer
that it should be latency-sensitive at that level, afaik.
But hey, it's IO, and I've been surprised by magic pattern
sensitivites before...
Linus
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
