X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre_export.h;h=cf24fa62c35d7e2f2c861d70a18fd6ae30d8a58c;hb=af8bcd8339128470065d4b2e06bda94a1ce4adad;hp=5c328f77b03b3e0b7d2177762027c8298feae6d4;hpb=e8d44741cc49104891c69d50a344e51bc4d5fc61;p=fs%2Flustre-release.git

diff --git a/lustre/include/lustre_export.h b/lustre/include/lustre_export.h
index 5c328f7..cf24fa6 100644
--- a/lustre/include/lustre_export.h
+++ b/lustre/include/lustre_export.h
@@ -143,9 +143,20 @@ enum obd_option {
 struct obd_export {
         struct portals_handle     exp_handle;
         atomic_t                  exp_refcount;
-        atomic_t                  exp_rpc_count;
-        atomic_t                  exp_cb_count;
-        atomic_t                  exp_locks_count;
+        /**
+         * Set of counters below is to track where export references are
+         * kept. The exp_rpc_count is used for reconnect handling also,
+         * the cb_count and locks_count are for debug purposes only for now.
+         * The sum of them should be less than exp_refcount by 3
+         */
+        atomic_t                  exp_rpc_count; /** RPC references */
+        atomic_t                  exp_cb_count; /** Commit callback references */
+        atomic_t                  exp_locks_count; /** Lock references */
+#if LUSTRE_TRACKS_LOCK_EXP_REFS
+        struct list_head          exp_locks_list;
+        spinlock_t                exp_locks_list_guard;
+#endif
+        atomic_t                  exp_replay_count;
         struct obd_uuid           exp_client_uuid;
         struct list_head          exp_obd_chain;
         struct hlist_node         exp_uuid_hash; /* uuid-export hash*/