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etcdserver: take read lock when cloning store

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Signed-off-by: Ted Yu <yuzhihong@gmail.com>
This commit is contained in:
Ted Yu 2020-05-31 09:08:26 -07:00
parent 9b6c3e3378
commit 59ec251812
1 changed files with 2 additions and 2 deletions
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4
etcdserver/api/v2store/store.go
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@ -747,7 +747,7 @@ func (s *store) SaveNoCopy() ([]byte, error) {
} }
func (s *store) Clone() Store { func (s *store) Clone() Store {
s.worldLock.Lock() s.worldLock.RLock()
clonedStore := newStore() clonedStore := newStore()
clonedStore.CurrentIndex = s.CurrentIndex clonedStore.CurrentIndex = s.CurrentIndex
@ -756,7 +756,7 @@ func (s *store) Clone() Store {
clonedStore.Stats = s.Stats.clone() clonedStore.Stats = s.Stats.clone()
clonedStore.CurrentVersion = s.CurrentVersion clonedStore.CurrentVersion = s.CurrentVersion
s.worldLock.Unlock() s.worldLock.RUnlock()
return clonedStore return clonedStore
} }