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/access/transam/xlog.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

(limited to 'src/backend/access/transam/xlog.c')

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index e1a8ef97d17..cf65dc0d46e 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.39 2000/12/03 10:27:26 vadim Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.40 2000/12/08 22:21:33 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -621,7 +621,7 @@ XLogFlush(XLogRecPtr record)
 		logFile = XLogFileOpen(logId, logSeg, false);
 	}
 
-	if (fsync(logFile) != 0)
+	if (pg_fsync(logFile) != 0)
 		elog(STOP, "fsync(logfile %u seg %u) failed: %m",
 			 logId, logSeg);
 	LgwrResult.Flush = LgwrResult.Write;
@@ -717,7 +717,7 @@ XLogWrite(char *buffer)
 		{
 			if (wcnt > 0)
 			{
-				if (fsync(logFile) != 0)
+				if (pg_fsync(logFile) != 0)
 					elog(STOP, "fsync(logfile %u seg %u) failed: %m",
 						 logId, logSeg);
 				if (LgwrResult.Write.xlogid != logId)
@@ -799,7 +799,7 @@ XLogWrite(char *buffer)
 	if (XLByteLT(LgwrResult.Flush, LgwrRqst.Flush) &&
 		XLByteLE(LgwrRqst.Flush, LgwrResult.Write))
 	{
-		if (fsync(logFile) != 0)
+		if (pg_fsync(logFile) != 0)
 			elog(STOP, "fsync(logfile %u seg %u) failed: %m",
 				 logId, logSeg);
 		LgwrResult.Flush = LgwrResult.Write;
@@ -864,7 +864,7 @@ XLogFileInit(uint32 log, uint32 seg, bool *usexistent)
 		elog(STOP, "write(logfile %u seg %u) failed: %m",
 			 logId, logSeg);
 
-	if (fsync(fd) != 0)
+	if (pg_fsync(fd) != 0)
 		elog(STOP, "fsync(logfile %u seg %u) failed: %m",
 			 logId, logSeg);
 
@@ -1213,7 +1213,7 @@ next_record_is_invalid:;
 	}
 	if (readFile >= 0)
 	{
-		if (fsync(readFile) < 0)
+		if (pg_fsync(readFile) < 0)
 			elog(STOP, "ReadRecord: fsync(logfile %u seg %u) failed: %m",
 				 readId, readSeg);
 		close(readFile);
@@ -1330,7 +1330,7 @@ WriteControlFile(void)
 	if (write(fd, buffer, BLCKSZ) != BLCKSZ)
 		elog(STOP, "WriteControlFile failed to write control file: %m");
 
-	if (fsync(fd) != 0)
+	if (pg_fsync(fd) != 0)
 		elog(STOP, "WriteControlFile failed to fsync control file: %m");
 
 	close(fd);
@@ -1400,7 +1400,7 @@ UpdateControlFile(void)
 	if (write(fd, ControlFile, sizeof(ControlFileData)) != sizeof(ControlFileData))
 		elog(STOP, "write(cntlfile) failed: %m");
 
-	if (fsync(fd) != 0)
+	if (pg_fsync(fd) != 0)
 		elog(STOP, "fsync(cntlfile) failed: %m");
 
 	close(fd);
@@ -1489,7 +1489,7 @@ BootStrapXLOG()
 	if (write(logFile, buffer, BLCKSZ) != BLCKSZ)
 		elog(STOP, "BootStrapXLOG failed to write logfile: %m");
 
-	if (fsync(logFile) != 0)
+	if (pg_fsync(logFile) != 0)
 		elog(STOP, "BootStrapXLOG failed to fsync logfile: %m");
 
 	close(logFile);
-- 
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