4 files changed, 42 insertions, 11 deletions

diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 9fcdef50aad6..82e2192a0d5c 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -76,18 +76,31 @@ static const int		nlm_port_min = 0, nlm_port_max = 65535;
 
 static struct ctl_table_header * nlm_sysctl_table;
 
-static unsigned long set_grace_period(void)
+static unsigned long get_lockd_grace_period(void)
 {
-        unsigned long grace_period;
-
         /* Note: nlm_timeout should always be nonzero */
         if (nlm_grace_period)
-                grace_period = ((nlm_grace_period + nlm_timeout - 1)
-                                / nlm_timeout) * nlm_timeout * HZ;
+                return roundup(nlm_grace_period, nlm_timeout) * HZ;
         else
-                grace_period = nlm_timeout * 5 * HZ;
+                return nlm_timeout * 5 * HZ;
+}
+
+unsigned long get_nfs_grace_period(void)
+{
+        unsigned long lockdgrace = get_lockd_grace_period();
+        unsigned long nfsdgrace = 0;
+
+        if (nlmsvc_ops)
+                nfsdgrace = nlmsvc_ops->get_grace_period();
+
+        return max(lockdgrace, nfsdgrace);
+}
+EXPORT_SYMBOL(get_nfs_grace_period);
+
+static unsigned long set_grace_period(void)
+{
         nlmsvc_grace_period = 1;
-        return grace_period + jiffies;
+        return get_nfs_grace_period() + jiffies;
 }
 
 static inline void clear_grace_period(void)
diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c
index 221acd1f11f6..9e4a568a5013 100644
--- a/fs/nfsd/lockd.c
+++ b/fs/nfsd/lockd.c
@@ -65,6 +65,7 @@ nlm_fclose(struct file *filp)
 static struct nlmsvc_binding    nfsd_nlm_ops = {
         .fopen          = nlm_fopen,            /* open file for locking */
         .fclose         = nlm_fclose,           /* close file */
+        .get_grace_period = get_nfs4_grace_period,
 };
 
 void
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 8c52913d7cb6..9cc31eaf3857 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -51,6 +51,7 @@
 #include <linux/namei.h>
 #include <linux/mutex.h>
 #include <linux/lockd/bind.h>
+#include <linux/module.h>
 
 #define NFSDDBG_FACILITY                NFSDDBG_PROC
 
@@ -3190,20 +3191,27 @@ nfsd4_load_reboot_recovery_data(void)
                 printk("NFSD: Failure reading reboot recovery data\n");
 }
 
+unsigned long
+get_nfs4_grace_period(void)
+{
+        return max(user_lease_time, lease_time) * HZ;
+}
+
 /* initialization to perform when the nfsd service is started: */
 
 static void
 __nfs4_state_start(void)
 {
-        time_t grace_time;
+        unsigned long grace_time;
 
         boot_time = get_seconds();
-        grace_time = max(user_lease_time, lease_time);
+        grace_time = get_nfs_grace_period();
         lease_time = user_lease_time;
         in_grace = 1;
-        printk("NFSD: starting %ld-second grace period\n", grace_time);
+        printk(KERN_INFO "NFSD: starting %ld-second grace period\n",
+               grace_time/HZ);
         laundry_wq = create_singlethread_workqueue("nfsd4");
-        queue_delayed_work(laundry_wq, &laundromat_work, grace_time*HZ);
+        queue_delayed_work(laundry_wq, &laundromat_work, grace_time);
 }
 
 int
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 */