drbd: Now we need to handle the ed_uuid of an diskless, unconnected primary correctly

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

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 8daa920c40a4..72bc1a130645 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3104,6 +3104,11 @@ static int receive_uuids(struct drbd_conf *mdev, struct p_header *h)
                         drbd_md_sync(mdev);
                 }
                 put_ldev(mdev);
+        } else if (mdev->state.disk < D_INCONSISTENT &&
+                   mdev->state.role == R_PRIMARY) {
+                /* I am a diskless primary, the peer just created a new current UUID
+                   for me. */
+                drbd_set_ed_uuid(mdev, p_uuid[UI_CURRENT]);
         }
 
         /* Before we test for the disk state, we should wait until an eventually