drbd: protocol compatibility for maximum packet sizes
Two missing corner cases to the "maximum packet size" handshake.
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 6b69b2f..9da32ac 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3088,6 +3088,8 @@
if (mdev->agreed_pro_version < 94)
max_seg_s = be32_to_cpu(p->max_segment_size);
+ else if (mdev->agreed_pro_version == 94)
+ max_seg_s = DRBD_MAX_SIZE_H80_PACKET;
else /* drbd 8.3.8 onwards */
max_seg_s = DRBD_MAX_SEGMENT_SIZE;