59 	*offset = par_buf_offset ? 0 : (unsigned int)rem;  in fec_read_parity()
74 	for (__i = 0; __i < DM_VERITY_FEC_BUF_PREALLOC; __i++)
82 	for (__i = 0; __i < (io)->nbufs; __i++)
87 		for (__j = 0; __j < 1 << DM_VERITY_FEC_BUF_RS_BITS; __j++)
117 	int r, corrected = 0, res;  in fec_decode_bufs()
119 	unsigned int n, i, j, offset, par_buf_offset = 0;  in fec_decode_bufs()
135 		for (j = 0; j < v->fec->roots - par_buf_offset; j++)  in fec_decode_bufs()
139 				 NULL, neras, fio->erasures, 0, NULL);  in fec_decode_bufs()
140 		if (res < 0) {  in fec_decode_bufs()
157 			for (j = 0; j < par_buf_offset; j++)  in fec_decode_bufs()
161 			par_buf_offset = 0;  in fec_decode_bufs()
177 	if (r < 0 && neras)  in fec_decode_bufs()
180 	else if (r > 0)  in fec_decode_bufs()
195 		return 0;  in fec_is_erasure()
198 		      v->digest_size) != 0;  in fec_is_erasure()
221 		*neras = 0;  in fec_read_bufs()
230 	for (i = 0; i < v->fec->rsn; i++) {  in fec_read_bufs()
274 					  &is_zero) == 0) {  in fec_read_bufs()
345 	return 0;  in fec_alloc_bufs()
357 		memset(fio->bufs[n], 0, v->fec->rsn << DM_VERITY_FEC_BUF_RS_BITS);  in fec_init_bufs()
359 	memset(fio->erasures, 0, sizeof(fio->erasures));  in fec_init_bufs()
371 	int r, neras = 0;  in fec_decode_rsb()
375 	if (unlikely(r < 0))  in fec_decode_rsb()
378 	for (pos = 0; pos < 1 << v->data_dev_block_bits; ) {  in fec_decode_rsb()
383 		if (unlikely(r < 0))  in fec_decode_rsb()
387 		if (r < 0)  in fec_decode_rsb()
396 	if (unlikely(r < 0))  in fec_decode_rsb()
406 	return 0;  in fec_decode_rsb()
455 	if (r < 0) {  in verity_fec_decode()
457 		if (r < 0)  in verity_fec_decode()
502 	memset(fio->bufs, 0, sizeof(fio->bufs));  in verity_fec_init_io()
503 	fio->nbufs = 0;  in verity_fec_init_io()
505 	fio->level = 0;  in verity_fec_init_io()
558 	return init_rs_gfp(8, 0x11d, 0, 1, v->fec->roots, gfp_mask);  in fec_rs_alloc()
638 	return 0;  in verity_fec_parse_opt_args()
655 	return 0;  in verity_fec_ctr_alloc()
671 		return 0;  in verity_fec_ctr()
739 					  1, 0, NULL, NULL, 0);  in verity_fec_ctr()
755 					       1, 0, NULL, NULL, 0);  in verity_fec_ctr()
776 				     0, 0, NULL);  in verity_fec_ctr()
791 	ret = mempool_init_slab_pool(&f->extra_pool, 0, f->cache);  in verity_fec_ctr()
808 	return 0;  in verity_fec_ctr()