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pg_fsync is fsync in WAL version.

This commit is contained in:
Vadim B. Mikheev 2000-11-10 03:53:45 +00:00
parent ddeab22565
commit 92875e6f44
4 changed files with 25 additions and 4 deletions
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5
src/backend/storage/buffer/xlog_bufmgr.c
View File

@ -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();
}

13
src/backend/storage/file/fd.c
View File

@ -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;
}

4
src/backend/storage/smgr/md.c
View File

@ -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)
{

7
src/include/storage/fd.h
View File

@ -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 */