drbd: Fixed state transitions after async outdate-peer-handler returned
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_nl.c b/drivers/block/drbd/drbd_nl.c
index 03b29f7..9dfe58a 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -272,9 +272,22 @@
{
struct drbd_conf *mdev = (struct drbd_conf *)data;
enum drbd_disk_state nps;
+ union drbd_state ns;
nps = drbd_try_outdate_peer(mdev);
- drbd_request_state(mdev, NS(pdsk, nps));
+
+ /* Not using
+ drbd_request_state(mdev, NS(pdsk, nps));
+ here, because we might were able to re-establish the connection in the
+ meantime.
+ */
+ spin_lock_irq(&mdev->req_lock);
+ ns = mdev->state;
+ if (ns.conn < C_WF_REPORT_PARAMS) {
+ ns.pdsk = nps;
+ _drbd_set_state(mdev, ns, CS_VERBOSE, NULL);
+ }
+ spin_unlock_irq(&mdev->req_lock);
return 0;
}