perf: use RLock in Demoted method for read-only access to expiry

Signed-off-by: huangzw <[email protected]>
etcd-io · Feb 17, 2025 · e10f01e · e10f01e
1 parent eb7607b
commit e10f01e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/server/lease/lease.go b/server/lease/lease.go
@@ -97,8 +97,8 @@ func (l *Lease) forever() {
 
 // Demoted returns true if the lease's expiry has been reset to forever.
 func (l *Lease) Demoted() bool {
-	l.expiryMu.Lock()
-	defer l.expiryMu.Unlock()
+	l.expiryMu.RLock()
+	defer l.expiryMu.RUnlock()
 	return l.expiry == forever
 }