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-rw-r--r--include/uapi/linux/nsfs.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/uapi/linux/nsfs.h b/include/uapi/linux/nsfs.h
index 97d8d80d139f..fa86fe3c8bd3 100644
--- a/include/uapi/linux/nsfs.h
+++ b/include/uapi/linux/nsfs.h
@@ -53,4 +53,13 @@ enum init_ns_ino {
MNT_NS_INIT_INO = 0xEFFFFFF8U,
};
+struct nsfs_file_handle {
+ __u64 ns_id;
+ __u32 ns_type;
+ __u32 ns_inum;
+};
+
+#define NSFS_FILE_HANDLE_SIZE_VER0 16 /* sizeof first published struct */
+#define NSFS_FILE_HANDLE_SIZE_LATEST sizeof(struct nsfs_file_handle) /* sizeof latest published struct */
+
#endif /* __LINUX_NSFS_H */