compress_ioctl
struct compress_ioctl fsctl_input;
struct compress_ioctl *cmpr_rsp;
if (out_buf_len < sizeof(struct compress_ioctl)) {
cmpr_rsp = (struct compress_ioctl *)&rsp->Buffer[0];
nbytes = sizeof(struct compress_ioctl);
struct compress_ioctl *cmpr_req;
if (in_buf_len < sizeof(struct compress_ioctl)) {
cmpr_req = (struct compress_ioctl *)buffer;