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authorPhilipp Reisner <philipp.reisner@linbit.com>2010-10-27 12:21:30 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2011-03-10 11:34:46 +0100
commit67531718d8f1259f01ab84c2aa25f7b03c7afd46 (patch)
tree6f76323440f8ce3793b5d5f1a19808207f38db5b /drivers/block/drbd/drbd_receiver.c
parent422028b1ca4c07995af82a18abced022ff4c296c (diff)
drbd: Implemented two new connection states Ahead/Behind
In this connection mode, the ahead node no longer replicates application IO. The behind's disk becomes out dated. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_receiver.c')
-rw-r--r--drivers/block/drbd/drbd_receiver.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index f3052d871d31..b19e8b2c4ce5 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3179,6 +3179,9 @@ static int receive_state(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
if (ns.conn == C_WF_REPORT_PARAMS)
ns.conn = C_CONNECTED;
+ if (peer_state.conn == C_AHEAD)
+ ns.conn = C_BEHIND;
+
if (mdev->p_uuid && peer_state.disk >= D_NEGOTIATING &&
get_ldev_if_state(mdev, D_NEGOTIATING)) {
int cr; /* consider resync */