b=19325 adjust waiting extent locks during 1st enqueue

[fs/lustre-release.git] / lustre / include / lustre_dlm.h

diff --git a/lustre/include/lustre_dlm.h b/lustre/include/lustre_dlm.h
index 362abdf..f7aa774 100644 (file)
--- a/lustre/include/lustre_dlm.h
+++ b/lustre/include/lustre_dlm.h
@@ -631,6 +631,13 @@ struct ldlm_lock {
 
         ldlm_policy_data_t       l_policy_data;
 
+        /**
+         * Traffic index indicating how busy the resource will be, if it is
+         * high, the lock's granted region will not be so big lest it conflicts
+         * other locks, causing frequent lock cancellation and re-enqueue
+         */
+        int                   l_traffic;
+
         /*
          * Protected by lr_lock. Various counters: readers, writers, etc.
          */