indexfsm.h

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/*-------------------------------------------------------------------------
 *
 * indexfsm.h
 *    POSTGRES free space map for quickly finding an unused page in index
 *
 *
 * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/storage/indexfsm.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef INDEXFSM_H_
#define INDEXFSM_H_
 
#include "storage/block.h"
#include "utils/relcache.h"
 
extern BlockNumber GetFreeIndexPage(Relation rel);
extern void RecordFreeIndexPage(Relation rel, BlockNumber freeBlock);
extern void RecordUsedIndexPage(Relation rel, BlockNumber usedBlock);
 
extern void IndexFreeSpaceMapVacuum(Relation rel);
 
#endif                          /* INDEXFSM_H_ */