unsigned int nbytes)
unsigned int nbytes, u8 *tmp)
static inline unsigned int crypt_fast(const struct cipher_desc *desc,				      struct scatter_walk *in,				      struct scatter_walk *out,				      unsigned int nbytes){	u8 *src, *dst;	src = in->data;	dst = scatterwalk_samebuf(in, out) ? src : out->data;	nbytes = desc->prfn(desc, dst, src, nbytes);	scatterwalk_advance(in, nbytes);	scatterwalk_advance(out, nbytes);	return nbytes;}