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Resurrect -F switch: it controls fsyncs again, though the fsyncs are

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mostly just on the WAL logfile nowadays.  But if people want to disable
fsync for performance, why should we say no?
This commit is contained in:
Tom Lane
2000-12-08 22:21:33 +00:00
parent 57c499a463
commit fb47385fc8
3 changed files with 24 additions and 13 deletions
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14
src/backend/storage/file/fd.c
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@ -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
*