Re: [PATCH 2/3] rhashtable: add rhashtable_walk_last_seen()

From: NeilBrown <redacted>
Date: Fri, 06 Jul 2018 17:11:32 +1000

rhashtable_walk_last_seen() returns the object returned by
the previous rhashtable_walk_next(), providing it is still in the
table (or was during this grace period).
This works even if rhashtable_walk_stop() and rhashtable_talk_start()

                                                           ^^^^

"walk"