1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/lockd/bind.h b/include/linux/lockd/bind.h
index 246de1d84a26..6f1637c61e10 100644
--- a/include/linux/lockd/bind.h
+++ b/include/linux/lockd/bind.h
@@ -27,6 +27,7 @@ struct nlmsvc_binding {
                                                 struct nfs_fh *,
                                                 struct file **);
         void                    (*fclose)(struct file *);
+        unsigned long           (*get_grace_period)(void);
 };
 
 extern struct nlmsvc_binding *  nlmsvc_ops;
@@ -38,4 +39,12 @@ extern int	nlmclnt_proc(struct inode *, int, struct file_lock *);
 extern int      lockd_up(int proto);
 extern void     lockd_down(void);
 
+unsigned long get_nfs_grace_period(void);
+
+#ifdef CONFIG_NFSD_V4
+unsigned long get_nfs4_grace_period(void);
+#else
+static inline unsigned long get_nfs4_grace_period(void) {return 0;}
+#endif
+
 #endif /* LINUX_LOCKD_BIND_H */