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-rw-r--r--drivers/md/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 6cb6188a61df..6665b56865b7 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -452,6 +452,17 @@ config DM_MULTIPATH_ST
If unsure, say N.
+config DM_MULTIPATH_HST
+ tristate "I/O Path Selector based on historical service time"
+ depends on DM_MULTIPATH
+ help
+ This path selector is a dynamic load balancer which selects
+ the path expected to complete the incoming I/O in the shortest
+ time by comparing estimated service time (based on historical
+ service time).
+
+ If unsure, say N.
+
config DM_DELAY
tristate "I/O delaying target"
depends on BLK_DEV_DM