drbd: conn_printk() a dev_printk() alike for drbd's connections

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_main.c b/drivers/block/drbd/drbd_main.c
index f33ca43..541e35d 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2217,12 +2217,14 @@
 	struct drbd_conf *mdev;
 	struct gendisk *disk;
 	struct request_queue *q;
+	char conn_name[9]; /* drbd1234N */
 
 	/* GFP_KERNEL, we are outside of all write-out paths */
 	mdev = kzalloc(sizeof(struct drbd_conf), GFP_KERNEL);
 	if (!mdev)
 		return NULL;
-	mdev->tconn = drbd_new_tconn("dummy");
+	sprintf(conn_name, "drbd%d", minor);
+	mdev->tconn = drbd_new_tconn(conn_name);
 	if (!mdev->tconn)
 		goto out_no_tconn;