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-rw-r--r--drivers/md/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 7cdf359d6b2..1a4fbcdb5ca 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -268,6 +268,19 @@ config DM_DEBUG_BLOCK_STACK_TRACING
If unsure, say N.
+config DM_CACHE
+ tristate "Cache target (EXPERIMENTAL)"
+ depends on BLK_DEV_DM
+ default n
+ select DM_PERSISTENT_DATA
+ select DM_BIO_PRISON
+ ---help---
+ dm-cache attempts to improve performance of a block device by
+ moving frequently used data to a smaller, higher performance
+ device. Different 'policy' plugins can be used to change the
+ algorithms used to select which blocks are promoted, demoted,
+ cleaned etc. It supports writeback and writethrough modes.
+
config DM_MIRROR
tristate "Mirror target"
depends on BLK_DEV_DM