lockd: Update NSM state from SM_MON replies

[pandora-kernel.git] / fs / lockd / mon.c

diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 6d5d4a4..3838533 100644 (file)
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -53,7 +53,7 @@ static                                DEFINE_SPINLOCK(nsm_lock);
 /*
  * Local NSM state
  */
-int    __read_mostly           nsm_local_state;
+u32    __read_mostly           nsm_local_state;
 int    __read_mostly           nsm_use_hostnames;
 
 static inline struct sockaddr *nsm_addr(const struct nsm_handle *nsm)
@@ -184,13 +184,19 @@ int nsm_monitor(const struct nlm_host *host)
        nsm->sm_mon_name = nsm_use_hostnames ? nsm->sm_name : nsm->sm_addrbuf;
 
        status = nsm_mon_unmon(nsm, NSMPROC_MON, &res);
-       if (res.status != 0)
+       if (unlikely(res.status != 0))
                status = -EIO;
-       if (status < 0)
+       if (unlikely(status < 0)) {
                printk(KERN_NOTICE "lockd: cannot monitor %s\n", nsm->sm_name);
-       else
-               nsm->sm_monitored = 1;
-       return status;
+               return status;
+       }
+
+       nsm->sm_monitored = 1;
+       if (unlikely(nsm_local_state != res.state)) {
+               nsm_local_state = res.state;
+               dprintk("lockd: NSM state changed to %d\n", nsm_local_state);
+       }
+       return 0;
 }
 
 /**