1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 67ca9c3d2939..f1feadeb7bb2 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -6103,6 +6103,7 @@ static int run(struct mddev *mddev)
                 blk_queue_io_min(mddev->queue, chunk_size);
                 blk_queue_io_opt(mddev->queue, chunk_size *
                                  (conf->raid_disks - conf->max_degraded));
+                mddev->queue->limits.raid_partial_stripes_expensive = 1;
                 /*
                  * We can only discard a whole stripe. It doesn't make sense to
                  * discard data disk but write parity disk