rework lru's external registered callback invocation to avoid concurr…#80

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jefferai merged 2 commits intohashicorp:masterfrom yigongliu-concur:rework-lru-external-callback-invocation

Jan 4, 2021

+98-17

Commits on Dec 5, 2020

rework lru's external registered callback invocation to avoid concurrency issue such as possible deadlock
yigongliu-concur
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fix lint issues
yigongliu-concur
committed