LU-874 ptlrpc: handle in-flight hqreq correctly

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

diff --git a/lustre/include/lustre_dlm.h b/lustre/include/lustre_dlm.h
index 1d4a2a7..3f6af4f 100644 (file)
--- a/lustre/include/lustre_dlm.h
+++ b/lustre/include/lustre_dlm.h
@@ -795,6 +795,11 @@ struct ldlm_lock {
         /** referenced export object */
         struct obd_export    *l_exp_refs_target;
 #endif
+        /** export blocking dlm lock list, protected by
+         * l_export->exp_bl_list_lock.
+         * Lock order of waiting_lists_spinlock, exp_bl_list_lock and res lock
+         * is: res lock -> exp_bl_list_lock -> wanting_lists_spinlock. */
+        cfs_list_t            l_exp_list;
 };
 
 struct ldlm_resource {