pg_fsync is fsync in WAL version.

vadim4o · vadim4o · commit 92875e6f4468 · 2000-11-10T03:53:45.000Z
diff --git a/src/backend/storage/buffer/xlog_bufmgr.c b/src/backend/storage/buffer/xlog_bufmgr.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/xlog_bufmgr.c,v 1.2 2000/11/08 22:09:59 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/xlog_bufmgr.c,v 1.3 2000/11/10 03:53:44 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1065,6 +1065,9 @@ void
 BufmgrCommit(void)
 {
 	LocalBufferSync();
+	/*
+	 * All files created in current transaction will be fsync-ed
+	 */
 	smgrcommit();
 }
 
diff --git 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 1.65 2000/10/28 16:20:56 vadim Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/file/fd.c,v 1.66 2000/11/10 03:53:44 vadim Exp $
  *
  * NOTES:
  *
@@ -192,6 +192,7 @@ static File fileNameOpenFile(FileName fileName, int fileFlags, int fileMode);
 static char *filepath(char *filename);
 static long pg_nofile(void);
 
+#ifndef XLOG
 /*
  * pg_fsync --- same as fsync except does nothing if -F switch was given
  */
@@ -203,6 +204,7 @@ pg_fsync(int fd)
 	else
 		return 0;
 }
+#endif
 
 /*
  * BasicOpenFile --- same as open(2) except can free other FDs if needed
@@ -663,7 +665,16 @@ fileNameOpenFile(FileName fileName,
 	vfdP->fileFlags = fileFlags & ~(O_TRUNC | O_EXCL);
 	vfdP->fileMode = fileMode;
 	vfdP->seekPos = 0;
+#ifdef XLOG
+	/*
+	 * Have to fsync file on commit. Alternative way - log
+	 * file creation and fsync log before actual file creation.
+	 */
+	if (fileFlags & O_CREAT)
+		vfdP->fdstate = FD_DIRTY;
+#else
 	vfdP->fdstate = 0x0;
+#endif
 
 	return file;
 }
diff --git a/src/backend/storage/smgr/md.c b/src/backend/storage/smgr/md.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.78 2000/11/08 22:10:00 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.79 2000/11/10 03:53:45 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -569,12 +569,14 @@ mdblindwrt(RelFileNode rnode,
 		elog(DEBUG, "mdblindwrt: write() failed: %m");
 		status = SM_FAIL;
 	}
+#ifndef XLOG
 	else if (dofsync &&
 			 pg_fsync(fd) < 0)
 	{
 		elog(DEBUG, "mdblindwrt: fsync() failed: %m");
 		status = SM_FAIL;
 	}
+#endif
 
 	if (close(fd) < 0)
 	{
diff --git a/src/include/storage/fd.h b/src/include/storage/fd.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: fd.h,v 1.22 2000/06/02 03:58:31 tgl Exp $
+ * $Id: fd.h,v 1.23 2000/11/10 03:53:45 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -70,6 +70,11 @@ extern int	BasicOpenFile(FileName fileName, int fileFlags, int fileMode);
 /* Miscellaneous support routines */
 extern void closeAllVfds(void);
 extern void AtEOXact_Files(void);
+
+#ifdef XLOG
+#define pg_fsync(fd)	fsync(fd)
+#else
 extern int	pg_fsync(int fd);
+#endif
 
 #endif	 /* FD_H */

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/xlog_bufmgr.c,v 1.2 2000/11/08 22:09:59 tgl Exp $`
	`11`	`+ * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/xlog_bufmgr.c,v 1.3 2000/11/10 03:53:44 vadim Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -1065,6 +1065,9 @@ void`
`1065`	`1065`	`BufmgrCommit(void)`
`1066`	`1066`	`{`
`1067`	`1067`	`LocalBufferSync();`
	`1068`	`+ /*`
	`1069`	`+ * All files created in current transaction will be fsync-ed`
	`1070`	`+ */`
`1068`	`1071`	`smgrcommit();`
`1069`	`1072`	`}`
`1070`	`1073`