drbd: New sync parameters for the smart resync rate controller
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 7eb1e98..06dbba4 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -134,21 +134,21 @@
#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_C_PLAN_AHEAD_MIN 0
+#define DRBD_C_PLAN_AHEAD_MAX 300
+#define DRBD_C_PLAN_AHEAD_DEF 0 /* RS rate controller disabled by default */
-#define DRBD_DP_INTERVAL_MIN 1
-#define DRBD_DP_INTERVAL_MAX 600
-#define DRBD_DP_INTERVAL_DEF 5
+#define DRBD_C_DELAY_TARGET_MIN 1
+#define DRBD_C_DELAY_TARGET_MAX 100
+#define DRBD_C_DELAY_TARGET_DEF 10
-#define DRBD_RS_THROTTLE_TH_MIN 1
-#define DRBD_RS_THROTTLE_TH_MAX 600
-#define DRBD_RS_THROTTLE_TH_DEF 20
+#define DRBD_C_FILL_TARGET_MIN 0
+#define DRBD_C_FILL_TARGET_MAX 100000
+#define DRBD_C_FILL_TARGET_DEF 0 /* By default disabled -> controlled by delay_target */
-#define DRBD_RS_HOLD_OFF_TH_MIN 1
-#define DRBD_RS_HOLD_OFF_TH_MAX 6000
-#define DRBD_RS_HOLD_OFF_TH_DEF 100
+#define DRBD_C_MAX_RATE_MIN 250 /* kByte/sec */
+#define DRBD_C_MAX_RATE_MAX (4 << 20)
+#define DRBD_C_MAX_RATE_DEF 102400
#undef RANGE
#endif
diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h
index 9aebd0d..e23683c 100644
--- a/include/linux/drbd_nl.h
+++ b/include/linux/drbd_nl.h
@@ -88,6 +88,10 @@
NL_STRING( 64, T_MAY_IGNORE, csums_alg, SHARED_SECRET_MAX)
NL_BIT( 65, T_MAY_IGNORE, use_rle)
NL_INTEGER( 75, T_MAY_IGNORE, on_no_data)
+ NL_INTEGER( 76, T_MAY_IGNORE, c_plan_ahead)
+ NL_INTEGER( 77, T_MAY_IGNORE, c_delay_target)
+ NL_INTEGER( 78, T_MAY_IGNORE, c_fill_target)
+ NL_INTEGER( 79, T_MAY_IGNORE, c_max_rate)
)
NL_PACKET(invalidate, 9, )