drbd: cleanup: This code path to trigger a resync is no longer needed

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

drivers/block/drbd/drbd_receiver.c

@@ -2853,7 +2853,6 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 	unsigned int max_seg_s;
 	sector_t p_size, p_usize, my_usize;
 	int ldsc = 0; /* local disk size changed */
-	enum drbd_conns nconn;
 
 	ERR_IF(h->length != (sizeof(*p)-sizeof(*h))) return FALSE;
 	if (drbd_recv(mdev, h->payload, h->length) != h->length)
@@ -2920,22 +2919,6 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 		drbd_set_my_capacity(mdev, p_size);
 	}
 
-	if (mdev->p_uuid && mdev->state.conn <= C_CONNECTED && get_ldev(mdev)) {
-		nconn = drbd_sync_handshake(mdev,
-				mdev->state.peer, mdev->state.pdsk);
-		put_ldev(mdev);
-
-		if (nconn == C_MASK) {
-			drbd_force_state(mdev, NS(conn, C_DISCONNECTING));
-			return FALSE;
-		}
-
-		if (drbd_request_state(mdev, NS(conn, nconn)) < SS_SUCCESS) {
-			drbd_force_state(mdev, NS(conn, C_DISCONNECTING));
-			return FALSE;
-		}
-	}
-
 	if (get_ldev(mdev)) {
 		if (mdev->ldev->known_size != drbd_get_capacity(mdev->ldev->backing_bdev)) {
 			mdev->ldev->known_size = drbd_get_capacity(mdev->ldev->backing_bdev);