func (cmsg *Cmsghdr) SetLen(length int) {
	cmsg.Len = uint64(length)
}

//sys	syncFileRange2(fd int, flags int, off int64, n int64) (err error) = SYS_SYNC_FILE_RANGE2

func SyncFileRange(fd int, off int64, n int64, flags int) error {
	// The sync_file_range and sync_file_range2 syscalls differ only in the
	// order of their arguments.
	return syncFileRange2(fd, flags, off, n)

	rsa.Service_name_len = uint64(length)
}

//sys	syncFileRange2(fd int, flags int, off int64, n int64) (err error) = SYS_SYNC_FILE_RANGE2

func SyncFileRange(fd int, off int64, n int64, flags int) error {
	// The sync_file_range and sync_file_range2 syscalls differ only in the
	// order of their arguments.
	return syncFileRange2(fd, flags, off, n)
}

	rsa.Service_name_len = uint32(length)
}

//sys	syncFileRange2(fd int, flags int, off int64, n int64) (err error) = SYS_SYNC_FILE_RANGE2

func SyncFileRange(fd int, off int64, n int64, flags int) error {
	// The sync_file_range and sync_file_range2 syscalls differ only in the
	// order of their arguments.
	return syncFileRange2(fd, flags, off, n)
}