#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

int main(int argc, char **argv)
{
	int error=0;
	int fd=0;
	if ( -1 == (fd=open(argv[1], O_RDONLY)))
	{
		perror("open");
		exit (1);
	}
	if ( 0 != (error = fsync(fd)))
	{
		perror("fsync");
	}
	close(fd);
}