1 files changed, 3 insertions, 0 deletions

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index e98c954cf961..09d7aee3dabe 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -342,6 +342,9 @@ struct ocfs2_super
          */
         unsigned int local_alloc_bits;
         unsigned int local_alloc_default_bits;
+        /* osb_clusters_at_boot can become stale! Do not trust it to
+         * be up to date. */
+        unsigned int osb_clusters_at_boot;
 
         enum ocfs2_local_alloc_state local_alloc_state; /* protected
                                                          * by osb_lock */