+ ret = num_slices(vsst->header_len, fc, &hs);
+ if (ret < 0)
+ return ret;
+ ret = num_slices(afh_get_largest_chunk_size(&mmd->afd.afhi),
+ fc, &ds);
+ if (ret < 0)
+ return ret;
+ k = (int)hs + ds;
+ if (k > 255)
+ return -E_BAD_CT;
+ if (k < fc->fcp->data_slices_per_group)
+ k = fc->fcp->data_slices_per_group;
+ n = k + rs;
+ fc->num_extra_slices = k - fc->fcp->data_slices_per_group;
+ PARA_NOTICE_LOG("fec parms %d:%d:%d (%d extra slices)\n",
+ slice_bytes, k, n, fc->num_extra_slices);
+ fec_free(fc->parms);
+ fc->src_data = para_realloc(fc->src_data, k * sizeof(char *));
+ ret = fec_new(k, n, &fc->parms);