X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Fdm-ioctl.h;h=49eab360d5d487395c7abefd700ffe294913495c;hb=7e507eb6432afdd798d4c6dccf949b8c43ef151c;hp=43b2de17449b5ed8fda18b94b84cf402109ec066;hpb=57cba5d3658d9fdc019c6af14a2d80aefa651e56;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h
index 43b2de17449b..49eab360d5d4 100644
--- a/include/linux/dm-ioctl.h
+++ b/include/linux/dm-ioctl.h
@@ -11,6 +11,7 @@
 #include <linux/types.h>
 
 #define DM_DIR "mapper"		/* Slashes not supported */
+#define DM_CONTROL_NODE "control"
 #define DM_MAX_TYPE_NAME 16
 #define DM_NAME_LEN 128
 #define DM_UUID_LEN 129