LU-12722 target: disable recovery for local clients

[fs/lustre-release.git] / lustre / target / tgt_lastrcvd.c

diff --git a/lustre/target/tgt_lastrcvd.c b/lustre/target/tgt_lastrcvd.c
index b3a7e71..97f76d3 100644 (file)
--- a/lustre/target/tgt_lastrcvd.c
+++ b/lustre/target/tgt_lastrcvd.c
@@ -944,6 +944,25 @@ static int tgt_last_commit_cb_add(struct thandle *th, struct lu_target *tgt,
        return rc ? rc : exp->exp_need_sync;
 }
 
+static int tgt_is_local_client(const struct lu_env *env,
+                                     struct obd_export *exp)
+{
+       struct lu_target        *tgt = class_exp2tgt(exp);
+       struct tgt_session_info *tsi = tgt_ses_info(env);
+       struct ptlrpc_request   *req = tgt_ses_req(tsi);
+
+       if (tgt->lut_local_recovery)
+               return 0;
+       if (!req)
+               return 0;
+       if (!LNetIsPeerLocal(req->rq_peer.nid))
+               return 0;
+       if (exp_connect_flags(exp) & OBD_CONNECT_MDS)
+               return 0;
+
+       return 1;
+}
+
 /**
  * Add new client to the last_rcvd upon new connection.
  *
@@ -965,6 +984,13 @@ int tgt_client_new(const struct lu_env *env, struct obd_export *exp)
        if (exp_connect_flags(exp) & OBD_CONNECT_LIGHTWEIGHT)
                RETURN(0);
 
+       if (tgt_is_local_client(env, exp)) {
+               LCONSOLE_WARN("%s: local client %s w/o recovery\n",
+                             exp->exp_obd->obd_name, ted->ted_lcd->lcd_uuid);
+               exp->exp_no_recovery = 1;
+               RETURN(0);
+       }
+
        /* the bitmap operations can handle cl_idx > sizeof(long) * 8, so
         * there's no need for extra complication here
         */
@@ -1092,7 +1118,8 @@ int tgt_client_del(const struct lu_env *env, struct obd_export *exp)
        /* XXX if lcd_uuid were a real obd_uuid, I could use obd_uuid_equals */
        if (!strcmp((char *)ted->ted_lcd->lcd_uuid,
                    (char *)tgt->lut_obd->obd_uuid.uuid) ||
-           exp_connect_flags(exp) & OBD_CONNECT_LIGHTWEIGHT)
+           exp_connect_flags(exp) & OBD_CONNECT_LIGHTWEIGHT ||
+           exp->exp_no_recovery)
                RETURN(0);
 
        /* Slot may be not yet assigned, use case is race between Client