commit f03c254961cce65ee2b21c4beccb6975b6f9d308
author Lars Ellenberg <lars.ellenberg@linbit.com> Mon Jun 20 22:21:19 2011 +0200
committer Philipp Reisner <philipp.reisner@linbit.com> Thu Nov 08 16:57:48 2012 +0100
tree c6899d5e9c4ad2f7b2671922aaee93b842d8eb90
parent 3b7cd457d0c8458f6a4df2854f75fd80c0338f93

drbd: allow ping-timeout of up to 30 seconds

Allow up to 300 centi-seconds to be configured for the "ping timeout".
There may be setups where heavy congestion, huge buffers, and asymmetric
bandwidth limitations may need a "huge" ping-timeout as work-around
for "spurious connection loss" problems.

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

include/linux/drbd_limits.h

diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 3627f76..82db834 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -62,7 +62,7 @@
 
  /* timeout for the ping packets.*/
 #define DRBD_PING_TIMEO_MIN  1
-#define DRBD_PING_TIMEO_MAX  100
+#define DRBD_PING_TIMEO_MAX  300
 #define DRBD_PING_TIMEO_DEF  5
 
   /* max number of write requests between write barriers */