23 	return v->fec && v->fec->dev;  in verity_fec_is_enabled()
42 	mod = do_div(offset, v->fec->rsn);  in fec_interleave()
43 	return offset + mod * (v->fec->rounds << v->data_dev_block_bits);  in fec_interleave()
50 			  u8 *data, u8 *fec, int neras)  in fec_decode_rs8()  argument
55 	for (i = 0; i < v->fec->roots; i++)  in fec_decode_rs8()
56 		par[i] = fec[i];  in fec_decode_rs8()
58 	return decode_rs8(fio->rs, data, par, v->fec->rsn, NULL, neras,  in fec_decode_rs8()
72 	position = (index + rsb) * v->fec->roots;  in fec_read_parity()
76 	res = dm_bufio_read(v->fec->bufio, v->fec->start + block, buf);  in fec_read_parity()
80 		      (unsigned long long)(v->fec->start + block),  in fec_read_parity()
113 	return &fio->bufs[i][j * v->fec->rsn];  in fec_buffer_rs_block()
162 		offset += v->fec->roots;  in fec_decode_bufs()
182 		atomic_add_unless(&v->fec->corrected, 1, INT_MAX);  in fec_decode_bufs()
228 	for (i = 0; i < v->fec->rsn; i++) {  in fec_read_bufs()
229 		ileaved = fec_interleave(v, rsb * v->fec->rsn + i);  in fec_read_bufs()
239 		bufio = v->fec->data_bufio;  in fec_read_bufs()
248 			if (unlikely(block >= v->fec->hash_blocks))  in fec_read_bufs()
263 			if (neras && *neras <= v->fec->roots)  in fec_read_bufs()
270 		if (bufio == v->fec->data_bufio &&  in fec_read_bufs()
281 			if (neras && *neras <= v->fec->roots &&  in fec_read_bufs()
315 		fio->rs = mempool_alloc(v->fec->rs_pool, 0);  in fec_alloc_bufs()
326 		fio->bufs[n] = mempool_alloc(v->fec->prealloc_pool, GFP_NOIO);  in fec_alloc_bufs()
338 		fio->bufs[n] = mempool_alloc(v->fec->extra_pool, GFP_NOIO);  in fec_alloc_bufs()
346 		fio->output = mempool_alloc(v->fec->output_pool, GFP_NOIO);  in fec_alloc_bufs()
366 		memset(fio->bufs[n], 0, v->fec->rsn << DM_VERITY_FEC_BUF_RS_BITS);  in fec_init_bufs()
466 	res = div64_u64(offset, v->fec->rounds << v->data_dev_block_bits);  in verity_fec_decode()
472 	rsb = offset - res * (v->fec->rounds << v->data_dev_block_bits);  in verity_fec_decode()
504 	struct dm_verity_fec *f = io->v->fec;  in verity_fec_finish_io()
551 	       v->fec->dev->name,  in verity_fec_status_table()
552 	       (unsigned long long)v->fec->blocks,  in verity_fec_status_table()
553 	       (unsigned long long)v->fec->start,  in verity_fec_status_table()
554 	       v->fec->roots);  in verity_fec_status_table()
561 	struct dm_verity_fec *f = v->fec;  in verity_fec_dtr()
587 	v->fec = NULL;  in verity_fec_dtr()
594 	return init_rs(8, 0x11d, 0, 1, v->fec->roots);  in fec_rs_alloc()
632 		r = dm_get_device(ti, arg_value, FMODE_READ, &v->fec->dev);  in verity_fec_parse_opt_args()
645 		v->fec->blocks = num_ll;  in verity_fec_parse_opt_args()
654 		v->fec->start = num_ll;  in verity_fec_parse_opt_args()
663 		v->fec->roots = num_c;  in verity_fec_parse_opt_args()
707 	v->fec = f;  in verity_fec_ctr_alloc()
719 	struct dm_verity_fec *f = v->fec;  in verity_fec_ctr()