NAME

       gfs_pio_sync - output a file's data on memroy to disk

SYNOPSIS

       #include <gfarm/gfarm.h>

       char *gfs_pio_sync (GFS_File gf);

DESCRIPTION

       The  function  gfs_pio_sync  copies  data  on  memory  of the gf, and waits for the I/O to
       complete before returning.  It also updates  metadtata  stat  information,  while  another
       function gfs_pio_datasync does not update the metadata.

RETURN VALUES

       NULL   The function terminated successfully.

       GFARM_ERR_NO_MEMORY
              Insufficient memory was available.

       Others An error except the above occurred.  The reason is shown by its pointed strings.

SEE ALSO

       gfs_pio_datasync(3),       gfs_pio_create(3),      gfs_pio_open(3),      gfs_pio_write(3),
       gfs_pio_flush(3)