LU-12635 build: Support for gcc -Wimplicit-fallthrough

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

diff --git a/lustre/target/tgt_lastrcvd.c b/lustre/target/tgt_lastrcvd.c
index c7aecdf..bcb4ff9 100644 (file)
--- a/lustre/target/tgt_lastrcvd.c
+++ b/lustre/target/tgt_lastrcvd.c
@@ -23,7 +23,7 @@
  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2016, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -148,6 +148,13 @@ static int tgt_clear_reply_slot(struct lu_target *lut, int idx)
        int chunk;
        int b;
 
+       if (lut->lut_obd->obd_stopping)
+               /*
+                * in case of failover keep the bit set in order to
+                * avoid overwriting slots in reply_data which might
+                * be required by resent rpcs
+                */
+               return 0;
        chunk = idx / LUT_REPLY_SLOTS_PER_CHUNK;
        b = idx % LUT_REPLY_SLOTS_PER_CHUNK;
 
@@ -388,6 +395,8 @@ int tgt_client_alloc(struct obd_export *exp)
 
        spin_lock_init(&exp->exp_target_data.ted_nodemap_lock);
        INIT_LIST_HEAD(&exp->exp_target_data.ted_nodemap_member);
+       spin_lock_init(&exp->exp_target_data.ted_fmd_lock);
+       INIT_LIST_HEAD(&exp->exp_target_data.ted_fmd_list);
 
        OBD_ALLOC_PTR(exp->exp_target_data.ted_lcd);
        if (exp->exp_target_data.ted_lcd == NULL)
@@ -411,6 +420,8 @@ void tgt_client_free(struct obd_export *exp)
 
        LASSERT(exp != exp->exp_obd->obd_self_export);
 
+       tgt_fmd_cleanup(exp);
+
        /* free reply data */
        mutex_lock(&ted->ted_lcd_lock);
        list_for_each_entry_safe(trd, tmp, &ted->ted_reply_list, trd_list) {