kata virtiofsd

func (q *qemu) virtiofsdArgs(fd uintptr) []string {
        // The daemon will terminate when the vhost-user socket
        // connection with QEMU closes.  Therefore we do not keep track
        // of this child process after returning from this function.
        sourcePath := filepath.Join(getSharePath(q.id))
        args := []string{
                fmt.Sprintf("--fd=%v", fd),
                "-o", "source=" + sourcePath,
                "-o", "cache=" + q.config.VirtioFSCache,
                "--syslog", "-o", "no_posix_lock"}
        if q.config.Debug {
                args = append(args, "-d")
        } else {
                args = append(args, "-f")
        }

        if len(q.config.VirtioFSExtraArgs) != 0 {
                args = append(args, q.config.VirtioFSExtraArgs...)
        }
        return args
}