drbd: Allow two diskless minors to be connected

In the context of drbd-8.4 it no longer makes sense to
dissalow that.

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_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 54f45fcf32b87b40dbd5ceff529dda91b7aad815..dfa092087d756a1b7f0a497acb37174ed03bad2b 100644 (file)
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3130,12 +3130,6 @@ static int receive_sizes(struct drbd_conf *mdev, enum drbd_packet cmd,
        p_size = be64_to_cpu(p->d_size);
        p_usize = be64_to_cpu(p->u_size);
 
-       if (p_size == 0 && mdev->state.disk == D_DISKLESS) {
-               dev_err(DEV, "some backing storage is needed\n");
-               drbd_force_state(mdev, NS(conn, C_DISCONNECTING));
-               return false;
-       }
-
        /* just store the peer's disk size for now.
         * we still need to figure out whether we accept that. */
        mdev->p_size = p_size;