X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmd%2FKconfig;h=87261d37f7a5cb114fcd803df44d1193a0a80521;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=b9ae866f039b1f0827ebe1522cc5459ac8745674;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index b9ae866f0..87261d37f 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -180,5 +180,25 @@ config DM_CRYPT
 
 	  If unsure, say N.
 
+config DM_SNAPSHOT
+       tristate "Snapshot target (EXPERIMENTAL)"
+       depends on BLK_DEV_DM && EXPERIMENTAL
+       ---help---
+         Allow volume managers to take writeable snapshots of a device.
+
+config DM_MIRROR
+       tristate "Mirror target (EXPERIMENTAL)"
+       depends on BLK_DEV_DM && EXPERIMENTAL
+       ---help---
+         Allow volume managers to mirror logical volumes, also
+         needed for live data migration tools such as 'pvmove'.
+
+config DM_ZERO
+	tristate "Zero target (EXPERIMENTAL)"
+	depends on BLK_DEV_DM && EXPERIMENTAL
+	---help---
+	  A target that discards writes, and returns all zeroes for
+	  reads.  Useful in some recovery situations.
+
 endmenu