From: Lars Ellenberg <lars.ellenb...@linbit.com>
If we already "pulled ahead", we can short-circuit,
and avoid logging the same messages over and over again.
Signed-off-by: Philipp Reisner <philipp.reis...@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenb...@linbit.com>
---
drivers/block/drbd/drbd_req.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index f07a724..3824d5c 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -899,6 +899,9 @@ static void maybe_pull_ahead(struct drbd_device *device)
connection->agreed_pro_version < 96)
return;
+ if (on_congestion == OC_PULL_AHEAD && device->state.conn == C_AHEAD)
+ return; /* nothing to do ... */
+
/* If I don't even have good local storage, we can not reasonably try
* to pull ahead of the peer. We also need the local reference to make
* sure device->act_log is there.
--
1.9.1
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