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-rw-r--r--include/uapi/linux/nsfs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/nsfs.h b/include/uapi/linux/nsfs.h
index 3af617230d1b..2b48df11056a 100644
--- a/include/uapi/linux/nsfs.h
+++ b/include/uapi/linux/nsfs.h
@@ -9,5 +9,8 @@
#define NS_GET_USERNS _IO(NSIO, 0x1)
/* Returns a file descriptor that refers to a parent namespace */
#define NS_GET_PARENT _IO(NSIO, 0x2)
+/* Returns the type of namespace (CLONE_NEW* value) referred to by
+ file descriptor */
+#define NS_GET_NSTYPE _IO(NSIO, 0x3)
#endif /* __LINUX_NSFS_H */