netfilter: nft_set_rbtree: prefer sync gc to async worker

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There is no need for asynchronous garbage collection, rbtree inserts
can only happen from the netlink control plane.

We already perform on-demand gc on insertion, in the area of the
tree where the insertion takes place, but we don't do a full tree
walk there for performance reasons.

Do a full gc walk at the end of the transaction instead and
remove the async worker.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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Florian Westphal 2023-10-13 14:18:16 +02:00 • committed by Pablo Neira Ayuso

parent 8079fc30f7

commit 7d259f021a

1 changed files with 65 additions and 59 deletions

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net/netfilter/nft_set_rbtree.c

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