From 4b6c198a6af427fd3531b09cd6fa15e715de6aa5 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Thu, 6 Mar 2003 00:04:27 +0000
Subject: Add code to dump contents of free space map into
 $PGDATA/global/pg_fsm.cache at database shutdown, and then load it again at
 database startup.  This preserves our hard-won knowledge of free space across
 restarts (given an orderly shutdown, that is).

---
 src/backend/bootstrap/bootstrap.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/backend/bootstrap/bootstrap.c')

diff --git a/src/backend/bootstrap/bootstrap.c b/src/backend/bootstrap/bootstrap.c
index cf0c1de7c62..f120192bc88 100644
--- a/src/backend/bootstrap/bootstrap.c
+++ b/src/backend/bootstrap/bootstrap.c
@@ -8,7 +8,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.147 2002/12/15 16:17:38 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.148 2003/03/06 00:04:27 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -34,6 +34,7 @@
 #include "executor/executor.h"
 #include "libpq/pqsignal.h"
 #include "miscadmin.h"
+#include "storage/freespace.h"
 #include "storage/ipc.h"
 #include "storage/proc.h"
 #include "tcop/tcopprot.h"
@@ -398,10 +399,12 @@ BootstrapMain(int argc, char *argv[])
 
 		case BS_XLOG_STARTUP:
 			StartupXLOG();
+			LoadFreeSpaceMap();
 			proc_exit(0);		/* done */
 
 		case BS_XLOG_SHUTDOWN:
 			ShutdownXLOG();
+			DumpFreeSpaceMap();
 			proc_exit(0);		/* done */
 
 		default:
-- 
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