From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Tue, 21 Jan 2003 19:51:42 +0000 (+0000)
Subject: Back-patch fix to ensure pg_clog updates are not only written but sync'ed
X-Git-Tag: REL7_2_4~6
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=adf852ba4a016a39887985910884a143806d66dd;p=postgresql

Back-patch fix to ensure pg_clog updates are not only written but sync'ed
before we consider the checkpoint to be done.
---

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 77e1f0a936..c8aef1ad9d 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.86.2.2 2002/09/30 19:55:08 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.86.2.3 2003/01/21 19:51:42 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -3052,12 +3052,10 @@ CreateCheckPoint(bool shutdown, bool force)
 
 	/*
 	 * Having constructed the checkpoint record, ensure all shmem disk
-	 * buffers are flushed to disk.
+	 * buffers and commit-log buffers are flushed to disk.
 	 */
-	FlushBufferPool();
-
-	/* And commit-log buffers, too */
 	CheckPointCLOG();
+	FlushBufferPool();
 
 	/*
 	 * Now insert the checkpoint record into XLOG.