From fb47385fc8d2314dd7d23d691959c882ead1c31a Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 8 Dec 2000 22:21:33 +0000
Subject: Resurrect -F switch: it controls fsyncs again, though the fsyncs are
 mostly just on the WAL logfile nowadays.  But if people want to disable fsync
 for performance, why should we say no?

---
 src/backend/storage/file/fd.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'src/backend/storage/file/fd.c')

diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c
index f46c04c4b6f..3cff7932129 100644
--- a/src/backend/storage/file/fd.c
+++ b/src/backend/storage/file/fd.c
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/file/fd.c,v 1.68 2000/11/30 08:46:23 vadim Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/file/fd.c,v 1.69 2000/12/08 22:21:32 tgl Exp $
  *
  * NOTES:
  *
@@ -192,6 +192,18 @@ static File fileNameOpenFile(FileName fileName, int fileFlags, int fileMode);
 static char *filepath(char *filename);
 static long pg_nofile(void);
 
+/*
+ * pg_fsync --- same as fsync except does nothing if -F switch was given
+ */
+int
+pg_fsync(int fd)
+{
+	if (enableFsync)
+		return fsync(fd);
+	else
+		return 0;
+}
+
 /*
  * BasicOpenFile --- same as open(2) except can free other FDs if needed
  *
-- 
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