[PATCH 2/2] ocfs2: Instrument fs cluster locks

[linux-2.6-omap-h63xx.git] / fs / ocfs2 / ocfs2.h

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 31692379c17059154640ed2bd9ed1e09b0d0ff03..1cb814be8ef1fc13baa80483ccc6eb6a2dfef78e 100644 (file)
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -132,6 +132,18 @@ struct ocfs2_lock_res {
        wait_queue_head_t        l_event;
 
        struct list_head         l_debug_list;
+
+#ifdef CONFIG_OCFS2_FS_STATS
+       unsigned long long       l_lock_num_prmode;        /* PR acquires */
+       unsigned long long       l_lock_num_exmode;        /* EX acquires */
+       unsigned int             l_lock_num_prmode_failed; /* Failed PR gets */
+       unsigned int             l_lock_num_exmode_failed; /* Failed EX gets */
+       unsigned long long       l_lock_total_prmode;      /* Tot wait for PR */
+       unsigned long long       l_lock_total_exmode;      /* Tot wait for EX */
+       unsigned int             l_lock_max_prmode;        /* Max wait for PR */
+       unsigned int             l_lock_max_exmode;        /* Max wait for EX */
+       unsigned int             l_lock_refresh;           /* Disk refreshes */
+#endif
 };
 
 struct ocfs2_dlm_debug {