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-rw-r--r--include/uapi/linux/mount.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/uapi/linux/mount.h b/include/uapi/linux/mount.h
index 18c624405268..d9d86598d100 100644
--- a/include/uapi/linux/mount.h
+++ b/include/uapi/linux/mount.h
@@ -61,7 +61,8 @@
/*
* open_tree() flags.
*/
-#define OPEN_TREE_CLONE 1 /* Clone the target tree and attach the clone */
+#define OPEN_TREE_CLONE (1 << 0) /* Clone the target tree and attach the clone */
+#define OPEN_TREE_NAMESPACE (1 << 1) /* Clone the target tree into a new mount namespace */
#define OPEN_TREE_CLOEXEC O_CLOEXEC /* Close the file on execve() */
/*