sr_crypto_set_key
rv = sr_crypto_set_key(sd, &sd->mds.mdd_crypto, bc, no_chunk, data);
int sr_crypto_set_key(struct sr_discipline *, struct sr_crypto *,
return sr_crypto_set_key(sd, &mdd_raid1c->sr1c_crypto, bc,
extern int sr_crypto_set_key(struct sr_discipline *,