1 files changed, 2 insertions, 0 deletions

diff --git a/fs/internal.h b/fs/internal.h
index e96a1667d749..8a03a5447bdf 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -70,6 +70,8 @@ extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int);
 
 extern void __init mnt_init(void);
 
+extern spinlock_t vfsmount_lock;
+
 /*
  * fs_struct.c
  */