LU-5319 mdc: manage number of modify RPCs in flight

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

diff --git a/lustre/include/lustre_mdc.h b/lustre/include/lustre_mdc.h
index 7b09164..f09f327 100644 (file)
--- a/lustre/include/lustre_mdc.h
+++ b/lustre/include/lustre_mdc.h
@@ -165,16 +165,40 @@ static inline void mdc_put_rpc_lock(struct mdc_rpc_lock *lck,
        EXIT;
 }
 
+static inline void mdc_get_mod_rpc_slot(struct ptlrpc_request *req,
+                                       struct lookup_intent *it)
+{
+       struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
+       __u32 opc;
+       __u16 tag;
+
+       opc = lustre_msg_get_opc(req->rq_reqmsg);
+       tag = obd_get_mod_rpc_slot(cli, opc, it);
+       lustre_msg_set_tag(req->rq_reqmsg, tag);
+}
+
+static inline void mdc_put_mod_rpc_slot(struct ptlrpc_request *req,
+                                       struct lookup_intent *it)
+{
+       struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
+       __u32 opc;
+       __u16 tag;
+
+       opc = lustre_msg_get_opc(req->rq_reqmsg);
+       tag = lustre_msg_get_tag(req->rq_reqmsg);
+       obd_put_mod_rpc_slot(cli, opc, it, tag);
+}
+
+
 /**
- * Update the maximum possible easize and cookiesize.
+ * Update the maximum possible easize.
  *
- * The values are learned from ptlrpc replies sent by the MDT.  The
- * default easize and cookiesize is initialized to the minimum value but
- * allowed to grow up to a single page in size if required to handle the
- * common case.
+ * This value is learned from ptlrpc replies sent by the MDT.  The
+ * default easize is initialized to the minimum value but allowed to
+ * grow up to a single page in size if required to handle the common
+ * case.
  *
- * \see client_obd::cl_default_mds_easize and
- * client_obd::cl_default_mds_cookiesize
+ * \see client_obd::cl_default_mds_easize
  *
  * \param[in] exp      export for MDC device
  * \param[in] body     body of ptlrpc reply from MDT
@@ -186,7 +210,6 @@ static inline void mdc_update_max_ea_from_body(struct obd_export *exp,
        if (body->mbo_valid & OBD_MD_FLMODEASIZE) {
                struct client_obd *cli = &exp->exp_obd->u.cli;
                __u32 def_easize;
-               __u32 def_cookiesize;
 
                if (cli->cl_max_mds_easize < body->mbo_max_mdsize)
                        cli->cl_max_mds_easize = body->mbo_max_mdsize;
@@ -194,13 +217,6 @@ static inline void mdc_update_max_ea_from_body(struct obd_export *exp,
                def_easize = min_t(__u32, body->mbo_max_mdsize,
                                   OBD_MAX_DEFAULT_EA_SIZE);
                cli->cl_default_mds_easize = def_easize;
-
-               if (cli->cl_max_mds_cookiesize < body->mbo_max_cookiesize)
-                       cli->cl_max_mds_cookiesize = body->mbo_max_cookiesize;
-
-               def_cookiesize = min_t(__u32, body->mbo_max_cookiesize,
-                                      OBD_MAX_DEFAULT_COOKIE_SIZE);
-               cli->cl_default_mds_cookiesize = def_cookiesize;
        }
 }