summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorPhilipp Reisner <philipp.reisner@linbit.com>2010-05-04 11:12:00 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2010-05-18 01:25:00 +0200
commit67c7ddd055c794f0d8e9466ca2d6b5cc0b73d4df (patch)
treec68ceb828b3677a7d68eb7065790e8d957d973c1 /include
parent7237bc430f49de1145d761c4b39f2ebae58842d5 (diff)
drbd: Four new configuration settings for resync speed control
To reasonably control resync speed over drbd-proxy connections, drbd has to measure the current delay of packets transmitted over the (possibly congested) data socket vs the meta-data socket. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/drbd_limits.h16
-rw-r--r--include/linux/drbd_nl.h4
2 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 51f47a586ad..440b42e38e8 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -133,5 +133,21 @@
#define DRBD_MAX_BIO_BVECS_MAX 128
#define DRBD_MAX_BIO_BVECS_DEF 0
+#define DRBD_DP_VOLUME_MIN 4
+#define DRBD_DP_VOLUME_MAX 1048576
+#define DRBD_DP_VOLUME_DEF 16384
+
+#define DRBD_DP_INTERVAL_MIN 1
+#define DRBD_DP_INTERVAL_MAX 600
+#define DRBD_DP_INTERVAL_DEF 5
+
+#define DRBD_RS_THROTTLE_TH_MIN 1
+#define DRBD_RS_THROTTLE_TH_MAX 600
+#define DRBD_RS_THROTTLE_TH_DEF 20
+
+#define DRBD_RS_HOLD_OFF_TH_MIN 1
+#define DRBD_RS_HOLD_OFF_TH_MAX 6000
+#define DRBD_RS_HOLD_OFF_TH_DEF 100
+
#undef RANGE
#endif
diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h
index de055c07c2b..ce77a746fc9 100644
--- a/include/linux/drbd_nl.h
+++ b/include/linux/drbd_nl.h
@@ -78,6 +78,10 @@ NL_PACKET(syncer_conf, 8,
NL_INTEGER( 30, T_MAY_IGNORE, rate)
NL_INTEGER( 31, T_MAY_IGNORE, after)
NL_INTEGER( 32, T_MAY_IGNORE, al_extents)
+ NL_INTEGER( 71, T_MAY_IGNORE, dp_volume)
+ NL_INTEGER( 72, T_MAY_IGNORE, dp_interval)
+ NL_INTEGER( 73, T_MAY_IGNORE, throttle_th)
+ NL_INTEGER( 74, T_MAY_IGNORE, hold_off_th)
NL_STRING( 52, T_MAY_IGNORE, verify_alg, SHARED_SECRET_MAX)
NL_STRING( 51, T_MAY_IGNORE, cpu_mask, 32)
NL_STRING( 64, T_MAY_IGNORE, csums_alg, SHARED_SECRET_MAX)