Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
  [PATCH] ocfs2: fix oops in mmap_truncate testing
  configfs: call drop_link() to cleanup after create_link() failure
  configfs: Allow ->make_item() and ->make_group() to return detailed errors.
  configfs: Fix failing mkdir() making racing rmdir() fail
  configfs: Fix deadlock with racing rmdir() and rename()
  configfs: Make configfs_new_dirent() return error code instead of NULL
  configfs: Protect configfs_dirent s_links list mutations
  configfs: Introduce configfs_dirent_lock
  ocfs2: Don't snprintf() without a format.
  ocfs2: Fix CONFIG_OCFS2_DEBUG_FS #ifdefs
  ocfs2/net: Silence build warnings on sparc64
  ocfs2: Handle error during journal load
  ocfs2: Silence an error message in ocfs2_file_aio_read()
  ocfs2: use simple_read_from_buffer()
  ocfs2: fix printk format warnings with OCFS2_FS_STATS=n
  [PATCH 2/2] ocfs2: Instrument fs cluster locks
  [PATCH 1/2] ocfs2: Add CONFIG_OCFS2_FS_STATS config option

1 files changed, 12 insertions, 0 deletions

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 31692379c170..1cb814be8ef1 100644
--- 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 {