fix: fix incorrect comment

core/blockchain.go

@@ -831,7 +831,7 @@ func (bc *BlockChain) tryRewindBadBlocks() {
 	}
 }
 
-// rewindPathHead implements the logic of rewindHead in the context of hash scheme.
+// rewindHashHead implements the logic of rewindHead in the context of hash scheme.
 func (bc *BlockChain) rewindHashHead(head *types.Header, root common.Hash) (*types.Header, uint64) {
 	var (
 		limit      uint64                             // The oldest block that will be searched for this rewinding

triedb/pathdb/database.go

@@ -266,6 +266,7 @@ func (db *Database) Commit(root common.Hash, report bool) error {
 	if err := db.modifyAllowed(); err != nil {
 		return err
 	}
+
 	return db.tree.cap(root, 0)
 }
 

triedb/pathdb/disklayer.go

@@ -271,7 +271,8 @@ func (dl *diskLayer) commit(bottom *diffLayer, force bool) (*diskLayer, error) {
 	// truncation) surpasses the persisted state ID, we take the necessary action
 	// of forcibly committing the cached dirty nodes to ensure that the persisted
 	// state ID remains higher.
-	if !force && rawdb.ReadPersistentStateID(dl.db.diskdb) < oldest {
+	stateID := rawdb.ReadPersistentStateID(dl.db.diskdb)
+	if !force && stateID < oldest {
 		force = true
 	}
 	if err := ndl.buffer.flush(ndl.db.diskdb, ndl.cleans, ndl.id, force); err != nil {