LU-10773 obdclass: yield cpu during changelog_block_trim_ext

[fs/lustre-release.git] / lustre / obdclass / lu_ref.c

diff --git a/lustre/obdclass/lu_ref.c b/lustre/obdclass/lu_ref.c
index 4cd6bf2..e847401 100644 (file)
--- a/lustre/obdclass/lu_ref.c
+++ b/lustre/obdclass/lu_ref.c
@@ -15,11 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -27,7 +23,7 @@
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -84,8 +80,8 @@ static struct lu_kmem_descr lu_ref_caches[] = {
  *
  * Protected by lu_ref_refs_guard.
  */
-static struct list_head lu_ref_refs;
-static spinlock_t lu_ref_refs_guard;
+static LIST_HEAD(lu_ref_refs);
+static DEFINE_SPINLOCK(lu_ref_refs_guard);
 static struct lu_ref lu_ref_marker = {
        .lf_guard       = __SPIN_LOCK_UNLOCKED(lu_ref_marker.lf_guard),
        .lf_list        = LIST_HEAD_INIT(lu_ref_marker.lf_list),
@@ -423,8 +419,6 @@ int lu_ref_global_init(void)
        CDEBUG(D_CONSOLE,
               "lu_ref tracking is enabled. Performance isn't.\n");
 
-       INIT_LIST_HEAD(&lu_ref_refs);
-       spin_lock_init(&lu_ref_refs_guard);
         result = lu_kmem_init(lu_ref_caches);
 
 #ifdef CONFIG_PROC_FS