struct autofs_sb_info *sbi, int when);
 int autofs_expire_multi(struct super_block *, struct vfsmount *,
                        struct autofs_sb_info *, int __user *);
-struct dentry *autofs_expire_direct(struct super_block *sb,
-                                   struct vfsmount *mnt,
-                                   struct autofs_sb_info *sbi, int how);
 struct dentry *autofs_expire_indirect(struct super_block *sb,
                                      struct vfsmount *mnt,
                                      struct autofs_sb_info *sbi, int how);
 
 }
 
 /* Check if we can expire a direct mount (possibly a tree) */
-struct dentry *autofs_expire_direct(struct super_block *sb,
-                                   struct vfsmount *mnt,
-                                   struct autofs_sb_info *sbi,
-                                   int how)
+static struct dentry *autofs_expire_direct(struct super_block *sb,
+                                          struct vfsmount *mnt,
+                                          struct autofs_sb_info *sbi,
+                                          int how)
 {
        unsigned long timeout;
        struct dentry *root = dget(sb->s_root);