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-rw-r--r--drivers/md/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 4540ade6b6b5..7df934d69134 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -262,6 +262,15 @@ config DM_MULTIPATH_EMC
---help---
Multipath support for EMC CX/AX series hardware.
+config DM_DELAY
+ tristate "I/O delaying target (EXPERIMENTAL)"
+ depends on BLK_DEV_DM && EXPERIMENTAL
+ ---help---
+ A target that delays reads and/or writes and can send
+ them to different devices. Useful for testing.
+
+ If unsure, say N.
+
endmenu
endif