Merge pull request #9229 from ximenzaoshi/lease-fix
lease: Change lease Mutex to RWMutexrelease-3.4
commit
659224b385
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@ -112,7 +112,7 @@ type Lessor interface {
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// lessor implements Lessor interface.
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// TODO: use clockwork for testability.
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type lessor struct {
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mu sync.Mutex
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mu sync.RWMutex
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// demotec is set when the lessor is the primary.
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// demotec will be closed if the lessor is demoted.
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@ -311,8 +311,8 @@ func (le *lessor) Renew(id LeaseID) (int64, error) {
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}
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func (le *lessor) Lookup(id LeaseID) *Lease {
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le.mu.Lock()
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defer le.mu.Unlock()
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le.mu.RLock()
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defer le.mu.RUnlock()
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return le.leaseMap[id]
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}
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@ -326,9 +326,9 @@ func (le *lessor) unsafeLeases() []*Lease {
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}
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func (le *lessor) Leases() []*Lease {
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le.mu.Lock()
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le.mu.RLock()
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ls := le.unsafeLeases()
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le.mu.Unlock()
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le.mu.RUnlock()
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return ls
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}
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@ -422,9 +422,9 @@ func (le *lessor) Attach(id LeaseID, items []LeaseItem) error {
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}
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func (le *lessor) GetLease(item LeaseItem) LeaseID {
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le.mu.Lock()
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le.mu.RLock()
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id := le.itemMap[item]
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le.mu.Unlock()
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le.mu.RUnlock()
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return id
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}
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@ -477,11 +477,11 @@ func (le *lessor) runLoop() {
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// rate limit
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revokeLimit := leaseRevokeRate / 2
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le.mu.Lock()
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le.mu.RLock()
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if le.isPrimary() {
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ls = le.findExpiredLeases(revokeLimit)
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}
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le.mu.Unlock()
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le.mu.RUnlock()
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if len(ls) != 0 {
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select {
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