drbd: implemented receiving of P_CONN_ST_CHG_REQ

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

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index e0efc918a5e6..592f0c949fd0 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -990,6 +990,16 @@ int drbd_send_sr_reply(struct drbd_conf *mdev, enum drbd_state_rv retcode)
         return drbd_send_cmd(mdev, USE_META_SOCKET, P_STATE_CHG_REPLY, &p.head, sizeof(p));
 }
 
+int conn_send_sr_reply(struct drbd_tconn *tconn, enum drbd_state_rv retcode)
+{
+        struct p_req_state_reply p;
+        enum drbd_packet cmd = tconn->agreed_pro_version < 100 ? P_STATE_CHG_REPLY : P_CONN_ST_CHG_REPLY;
+
+        p.retcode    = cpu_to_be32(retcode);
+
+        return conn_send_cmd(tconn, 0, USE_META_SOCKET, cmd, &p.head, sizeof(p));
+}
+
 int fill_bitmap_rle_bits(struct drbd_conf *mdev,
         struct p_compressed_bm *p,
         struct bm_xfer_ctx *c)