Linus Torvalds wrote:
Guys, this whole discussion has just been filled with crazy crap. Can
somebody even explain why we care so deeply about some counters for
something that we just _deleted_ and that have random values anyway?
I can see the counters being interesting while a firewall is active, but I
sure don't see what's so wonderfully interesting after-the-fact about a
counter on something that NO LONGER EXISTS that it has to be somehow
"exactly right".
They're copied to userspace after replacing the ruleset, associated with
the rules that are still active after the change and then added to the
current counters in a second operation. The end result is that the
counters are accurate for rules not changed.
Show of hands, here: tell me a single use that really _requires_ those
exact counters of a netfilter rule that got deleted and is no longer
active?
People use netfilter for accounting quite a lot. Having dynamic updates
is also not uncommon, so this might actually matter.
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