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authorPhilipp Reisner <philipp.reisner@linbit.com>2010-07-05 13:42:03 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2010-10-14 18:38:12 +0200
commit9a31d7164d409ca59cfadb7957ac7b0acf4545b8 (patch)
tree3859b808c97180308d796f87d6af6fd9888b7f5f /include/linux/drbd_limits.h
parentd28fd092a55b504a0d699b65802a995086d70647 (diff)
downloadvexpress-lsk-9a31d7164d409ca59cfadb7957ac7b0acf4545b8.tar.gz
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>
Diffstat (limited to 'include/linux/drbd_limits.h')
-rw-r--r--include/linux/drbd_limits.h24
1 files changed, 12 insertions, 12 deletions
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 7eb1e98009e..06dbba47a8e 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