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authorPhilipp Reisner <philipp.reisner@linbit.com>2010-10-27 11:12:07 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2011-03-10 11:34:45 +0100
commit422028b1ca4c07995af82a18abced022ff4c296c (patch)
tree87583c3aab3d8b39c5210de800d5eae79941dc25 /include/linux/drbd_limits.h
parent759fbdfba66e620aceb3e73167e6003d1b8b0b0b (diff)
drbd: New configuration parameters for dealing with network congestion
net { on_congestion {block|pull-ahead|disconnect}; congestion-fill {sectors}; congestion-extents {al-extents}; } 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.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 4ac33f34b77e..abf418724e52 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -129,6 +129,7 @@
#define DRBD_AFTER_SB_2P_DEF ASB_DISCONNECT
#define DRBD_RR_CONFLICT_DEF ASB_DISCONNECT
#define DRBD_ON_NO_DATA_DEF OND_IO_ERROR
+#define DRBD_ON_CONGESTION_DEF OC_BLOCK
#define DRBD_MAX_BIO_BVECS_MIN 0
#define DRBD_MAX_BIO_BVECS_MAX 128
@@ -154,5 +155,13 @@
#define DRBD_C_MIN_RATE_MAX (4 << 20)
#define DRBD_C_MIN_RATE_DEF 4096
+#define DRBD_CONG_FILL_MIN 0
+#define DRBD_CONG_FILL_MAX (10<<21) /* 10GByte in sectors */
+#define DRBD_CONG_FILL_DEF 0
+
+#define DRBD_CONG_EXTENTS_MIN DRBD_AL_EXTENTS_MIN
+#define DRBD_CONG_EXTENTS_MAX DRBD_AL_EXTENTS_MAX
+#define DRBD_CONG_EXTENTS_DEF DRBD_AL_EXTENTS_DEF
+
#undef RANGE
#endif