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.TH "GFS_PIO_SYNC" "3" "01 June 2005" "Gfarm" ""
.SH NAME
gfs_pio_sync \- output a file's data on memroy to disk
.SH SYNOPSIS
.sp
\fB#include <gfarm/gfarm.h>
.sp
char *gfs_pio_sync (GFS_File \fIgf\fB);
\fR
.SH "DESCRIPTION"
.PP
The function \fBgfs_pio_sync\fR copies data on
memory of the \fIgf\fR, and waits for the I/O
to complete before returning.  It also updates metadtata stat
information, while another function
\fBgfs_pio_datasync\fR does not update the
metadata.
.SH "RETURN VALUES"
.TP
\fBNULL\fR
The function terminated successfully.
.TP
\fBGFARM_ERR_NO_MEMORY\fR
Insufficient memory was available.
.TP
\fBOthers\fR
An error except the above occurred.  The reason is shown by its
pointed strings.
.SH "SEE ALSO"
.PP
\fBgfs_pio_datasync\fR(3),
\fBgfs_pio_create\fR(3),
\fBgfs_pio_open\fR(3),
\fBgfs_pio_write\fR(3),
\fBgfs_pio_flush\fR(3)