[PATCH] Upstream: add use_temp_path=tmp to proxy_cache_path and friends

[Piotr Sikora]

Hey Maxim,

> The downside of this approach is that with a separate temp
> directory cache can't be effectively spread over multiple file
> systems.

I disagree, we've been using exactly this structure to spread cache
over multiple file systems (via multiple cache paths, each with its
own "tmp") for the last 2 years.

Best regards,
Piotr Sikora