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Convert the chainstore lock to RW

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High read-API concurrency facilitates multiple calls to GetHeaviestTipSet
which in turn could slow down chainsync.
This commit is contained in:
Peter Rabbitson 2021-04-06 13:01:48 +02:00
parent 79194ccad1
commit 7bced1532b
1 changed files with 6 additions and 5 deletions
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11
chain/store/store.go
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@ -113,7 +113,7 @@ type ChainStore struct {
chainLocalBlockstore bstore.Blockstore chainLocalBlockstore bstore.Blockstore
heaviestLk sync.Mutex heaviestLk sync.RWMutex
heaviest *types.TipSet heaviest *types.TipSet
bestTips *pubsub.PubSub bestTips *pubsub.PubSub
@ -775,10 +775,11 @@ func ReorgOps(lts func(types.TipSetKey) (*types.TipSet, error), a, b *types.TipS
} }
// GetHeaviestTipSet returns the current heaviest tipset known (i.e. our head). // GetHeaviestTipSet returns the current heaviest tipset known (i.e. our head).
func (cs *ChainStore) GetHeaviestTipSet() *types.TipSet { func (cs *ChainStore) GetHeaviestTipSet() (ts *types.TipSet) {
cs.heaviestLk.Lock() cs.heaviestLk.RLock()
defer cs.heaviestLk.Unlock() ts = cs.heaviest
return cs.heaviest cs.heaviestLk.RUnlock()
return
} }
func (cs *ChainStore) AddToTipSetTracker(b *types.BlockHeader) error { func (cs *ChainStore) AddToTipSetTracker(b *types.BlockHeader) error {