drbd: fix local read error hung forever

The commit
    drbd: simplify retry path of failed READ requests
simplified it too much:
it just did not do anything for local read errors.

Add the missing req_may_be_completed_not_susp() to the
READ_COMPLETED_WITH_ERROR case.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 44a7d6ba4e4f48f65e1af594d9b300a6c43b01ef..d0d516743fb1d8c2a3fe3173169565921df3b0cb 100644 (file)
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -460,6 +460,7 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what,
                D_ASSERT(!(req->rq_state & RQ_NET_MASK));
 
                __drbd_chk_io_error(mdev, false);
+               req_may_be_completed_not_susp(req, m);
                break;
 
        case QUEUE_FOR_NET_READ: