clientv3/ordering: acquire setPrevRev mutex only when needed
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>release-3.3
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e44ce19c1f
commit
69031e3a6d
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@ -43,10 +43,10 @@ func (kv *kvOrdering) getPrevRev() int64 {
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func (kv *kvOrdering) setPrevRev(currRev int64) {
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prevRev := kv.getPrevRev()
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kv.revMu.Lock()
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defer kv.revMu.Unlock()
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if currRev > prevRev {
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kv.revMu.Lock()
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kv.prevRev = currRev
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kv.revMu.Unlock()
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}
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}
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