block: don't allow splitting of a REQ_NOWAIT bio

[platform/kernel/linux-rpi.git] / block / bfq-wf2q.c

diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c
index b74cc0d..709b901 100644 (file)
--- a/block/bfq-wf2q.c
+++ b/block/bfq-wf2q.c
@@ -519,7 +519,7 @@ unsigned short bfq_ioprio_to_weight(int ioprio)
 static unsigned short bfq_weight_to_ioprio(int weight)
 {
        return max_t(int, 0,
-                    IOPRIO_NR_LEVELS * BFQ_WEIGHT_CONVERSION_COEFF - weight);
+                    IOPRIO_NR_LEVELS - weight / BFQ_WEIGHT_CONVERSION_COEFF);
 }
 
 static void bfq_get_entity(struct bfq_entity *entity)