LU-5319 mdt: support multiple modify RCPs in parallel

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

diff --git a/lustre/include/lustre_export.h b/lustre/include/lustre_export.h
index fe41b2b..d6e5c11 100644 (file)
--- a/lustre/include/lustre_export.h
+++ b/lustre/include/lustre_export.h
@@ -59,7 +59,8 @@ struct mdt_idmap_table;
  * Target-specific export data
  */
 struct tg_export_data {
-       /** Protects led_lcd below */
+       /** Protects ted_lcd, ted_reply_* and
+        * ted_release_* fields below */
        struct mutex            ted_lcd_lock;
        /** Per-client data for each export */
        struct lsd_client_data  *ted_lcd;
@@ -71,6 +72,18 @@ struct tg_export_data {
        /** nodemap this export is a member of */
        struct lu_nodemap       *ted_nodemap;
        struct hlist_node       ted_nodemap_member;
+
+       /* Every reply data fields below are
+        * protected by ted_lcd_lock */
+       /** List of reply data */
+       struct list_head        ted_reply_list;
+       int                     ted_reply_cnt;
+       /** Reply data with highest transno is retained */
+       struct tg_reply_data    *ted_reply_last;
+       /* Statistics */
+       int                     ted_reply_max; /* high water mark */
+       int                     ted_release_xid;
+       int                     ted_release_tag;
 };
 
 /**
@@ -182,6 +195,7 @@ struct obd_export {
        struct list_head        exp_obd_chain;
        struct hlist_node       exp_uuid_hash;  /** uuid-export hash*/
        struct hlist_node       exp_nid_hash;   /** nid-export hash */
+       struct hlist_node       exp_gen_hash;   /** last_rcvd clt gen hash */
         /**
          * All exports eligible for ping evictor are linked into a list
          * through this field in "most time since last request on this export"