diff --git a/src/engine/engine_common.c b/src/engine/engine_common.c
index 53a5fcc..2a03496 100644
--- a/src/engine/engine_common.c
+++ b/src/engine/engine_common.c
@@ -469,26 +469,8 @@ void ocf_engine_update_block_stats(struct ocf_request *req)
 
 void ocf_engine_update_request_stats(struct ocf_request *req)
 {
-	ocf_part_id_t part_id = req->part_id;
-	struct ocf_counters_req *reqs;
-
-	switch (req->rw) {
-	case OCF_READ:
-		reqs = &req->core->counters->part_counters[part_id].read_reqs;
-		break;
-	case OCF_WRITE:
-		reqs = &req->core->counters->part_counters[part_id].write_reqs;
-		break;
-	default:
-		ENV_BUG();
-	}
-
-	env_atomic64_inc(&reqs->total);
-
-	if (req->info.hit_no == 0)
-		env_atomic64_inc(&reqs->full_miss);
-	else if (req->info.hit_no < req->core_line_count)
-		env_atomic64_inc(&reqs->partial_miss);
+	ocf_core_stats_request_update(req->core, req->part_id, req->rw,
+			req->info.hit_no, req->core_line_count);
 }
 
 void ocf_engine_push_req_back(struct ocf_request *req, bool allow_sync)
diff --git a/src/engine/engine_d2c.c b/src/engine/engine_d2c.c
index d88a964..ef0c3c8 100644
--- a/src/engine/engine_d2c.c
+++ b/src/engine/engine_d2c.c
@@ -47,13 +47,8 @@ int ocf_io_d2c(struct ocf_request *req)
 
 	ocf_engine_update_block_stats(req);
 
-	if (req->rw == OCF_READ) {
-		env_atomic64_inc(&core->counters->
-			part_counters[req->part_id].read_reqs.pass_through);
-	} else {
-		env_atomic64_inc(&core->counters->
-			part_counters[req->part_id].write_reqs.pass_through);
-	}
+	ocf_core_stats_request_pt_update(req->core, req->part_id, req->rw,
+			req->info.hit_no, req->core_line_count);
 
 	/* Put OCF request - decrease reference counter */
 	ocf_req_put(req);
diff --git a/src/engine/engine_pt.c b/src/engine/engine_pt.c
index fd73609..bf18431 100644
--- a/src/engine/engine_pt.c
+++ b/src/engine/engine_pt.c
@@ -87,8 +87,8 @@ int ocf_read_pt_do(struct ocf_request *req)
 
 	/* Update statistics */
 	ocf_engine_update_block_stats(req);
-	env_atomic64_inc(&req->core->counters->
-			part_counters[req->part_id].read_reqs.pass_through);
+	ocf_core_stats_request_pt_update(req->core, req->part_id, req->rw,
+			req->info.hit_no, req->core_line_count);
 
 	/* Put OCF request - decrease reference counter */
 	ocf_req_put(req);
diff --git a/src/engine/engine_wa.c b/src/engine/engine_wa.c
index c41fd8b..3c854c2 100644
--- a/src/engine/engine_wa.c
+++ b/src/engine/engine_wa.c
@@ -76,8 +76,8 @@ int ocf_write_wa(struct ocf_request *req)
 
 		/* Update statistics */
 		ocf_engine_update_block_stats(req);
-		env_atomic64_inc(&req->core->counters->
-			part_counters[req->part_id].write_reqs.pass_through);
+		ocf_core_stats_request_pt_update(req->core, req->part_id, req->rw,
+				req->info.hit_no, req->core_line_count);
 	}
 
 	/* Put OCF request - decrease reference counter */
diff --git a/src/engine/engine_wi.c b/src/engine/engine_wi.c
index 6e8c285..b0d204c 100644
--- a/src/engine/engine_wi.c
+++ b/src/engine/engine_wi.c
@@ -112,8 +112,8 @@ static int _ocf_write_wi_do(struct ocf_request *req)
 
 	/* Update statistics */
 	ocf_engine_update_block_stats(req);
-	env_atomic64_inc(&req->core->counters->
-			part_counters[req->part_id].write_reqs.pass_through);
+	ocf_core_stats_request_pt_update(req->core, req->part_id, req->rw,
+			req->info.hit_no, req->core_line_count);
 
 	/* Put OCF request - decrease reference counter */
 	ocf_req_put(req);