md: report device as congested when suspended

This should writeback from coming when the device is temporarily
suspended.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index ea4842905444..1ceceb334d5e 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -108,6 +108,9 @@ static int linear_congested(void *data, int bits)
         linear_conf_t *conf;
         int i, ret = 0;
 
+        if (mddev_congested(mddev, bits))
+                return 1;
+
         rcu_read_lock();
         conf = rcu_dereference(mddev->private);