ARM64: DTS: Add rk3399-firefly uart4 device, node as /dev/ttyS1

[firefly-linux-kernel-4.4.55.git] / drivers / md / raid5.c

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 10ce885445f61dc162159b4fb7bb77c55d28e64b..7af976934441766f3d0978b8bc2b7764a3174fe1 100644 (file)
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -6980,6 +6980,15 @@ static int run(struct mddev *mddev)
                        stripe = (stripe | (stripe-1)) + 1;
                mddev->queue->limits.discard_alignment = stripe;
                mddev->queue->limits.discard_granularity = stripe;
+
+               /*
+                * We use 16-bit counter of active stripes in bi_phys_segments
+                * (minus one for over-loaded initialization)
+                */
+               blk_queue_max_hw_sectors(mddev->queue, 0xfffe * STRIPE_SECTORS);
+               blk_queue_max_discard_sectors(mddev->queue,
+                                             0xfffe * STRIPE_SECTORS);
+
                /*
                 * unaligned part of discard request will be ignored, so can't
                 * guarantee discard_zeroes_data