1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
index c078aacc8116..830bbcd449d6 100644
--- a/include/linux/mnt_namespace.h
+++ b/include/linux/mnt_namespace.h
@@ -46,6 +46,7 @@ static inline void get_mnt_ns(struct mnt_namespace *ns)
 }
 
 extern const struct seq_operations mounts_op;
+extern const struct seq_operations mountinfo_op;
 extern const struct seq_operations mountstats_op;
 
 #endif