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/*-------------------------------------------------------------------------
*
* indexfsm.h
* POSTGRES free space map for quickly finding an unused page in index
*
*
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/storage/indexfsm.h,v 1.2 2008/10/06 08:04:11 heikki Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef INDEXFSM_H_
#define INDEXFSM_H_
#include "utils/rel.h"
extern BlockNumber GetFreeIndexPage(Relation rel);
extern void RecordFreeIndexPage(Relation rel, BlockNumber page);
extern void RecordUsedIndexPage(Relation rel, BlockNumber page);
extern void InitIndexFreeSpaceMap(Relation rel);
extern void IndexFreeSpaceMapTruncate(Relation rel, BlockNumber nblocks);
extern void IndexFreeSpaceMapVacuum(Relation rel);
#endif /* INDEXFSM_H */
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