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-rw-r--r--drivers/md/Kconfig14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 3bfc8f1da9f..30b426ed744 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -412,4 +412,18 @@ config DM_VERITY
If unsure, say N.
+config DM_SWITCH
+ tristate "Switch target support (EXPERIMENTAL)"
+ depends on BLK_DEV_DM
+ ---help---
+ This device-mapper target creates a device that supports an arbitrary
+ mapping of fixed-size regions of I/O across a fixed set of paths.
+ The path used for any specific region can be switched dynamically
+ by sending the target a message.
+
+ To compile this code as a module, choose M here: the module will
+ be called dm-switch.
+
+ If unsure, say N.
+
endif # MD