cgroup: rstat: punt root-level optimization to individual controllers
[sfrench/cifs-2.6.git] / block / blk-core.c
index fc60ff2084973811b7316da72436bab365af9260..9bcdae93f6d4f7850c6cb98021116958a5f8be70 100644 (file)
@@ -1161,10 +1161,8 @@ static blk_status_t blk_cloned_rq_check_limits(struct request_queue *q,
        }
 
        /*
-        * queue's settings related to segment counting like q->bounce_pfn
-        * may differ from that of other stacking queues.
-        * Recalculate it to check the request correctly on this queue's
-        * limitation.
+        * The queue settings related to segment counting may differ from the
+        * original queue.
         */
        rq->nr_phys_segments = blk_recalc_rq_segments(rq);
        if (rq->nr_phys_segments > queue_max_segments(q)) {