#ifndef STORAGE_H
#define STORAGE_H
#include "storage/block.h"
#include "storage/relfilenode.h"
#include "storage/smgr.h"
#include "utils/relcache.h"
extern int wal_skip_threshold;
extern SMgrRelation RelationCreateStorage(RelFileNode rnode, char relpersistence);
extern void RelationDropStorage(Relation rel);
extern void RelationPreserveStorage(RelFileNode rnode, bool atCommit);
extern void RelationPreTruncate(Relation rel);
extern void RelationTruncate(Relation rel, BlockNumber nblocks);
extern void RelationCopyStorage(SMgrRelation src, SMgrRelation dst,
ForkNumber forkNum, char relpersistence);
extern bool RelFileNodeSkippingWAL(RelFileNode rnode);
extern Size EstimatePendingSyncsSpace(void);
extern void SerializePendingSyncs(Size maxSize, char *startAddress);
extern void RestorePendingSyncs(char *startAddress);
extern void smgrDoPendingDeletes(bool isCommit);
extern void smgrDoPendingSyncs(bool isCommit, bool isParallelWorker);
extern int smgrGetPendingDeletes(bool forCommit, RelFileNode **ptr);
extern void AtSubCommit_smgr(void);
extern void AtSubAbort_smgr(void);
extern void PostPrepare_smgr(void);
#endif