Index: rhel7-compile-2/redhat/configs/generic/CONFIG_DM_MULTISNAPSHOT
===================================================================
--- /dev/null
+++ rhel7-compile-2/redhat/configs/generic/CONFIG_DM_MULTISNAPSHOT
@@ -0,0 +1,4 @@
+CONFIG_DM_MULTISNAPSHOT=m
+CONFIG_DM_MULTISNAPSHOT_ROLLING=m
+CONFIG_DM_MULTISNAPSHOT_DANIEL=m
+CONFIG_DM_MULTISNAPSHOT_THINP=m