LU-56 obdclass: SMP improvement for lu_key

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

diff --git a/lustre/obdclass/lu_ref.c b/lustre/obdclass/lu_ref.c
index fdaac5f..3471bd3 100644 (file)
--- a/lustre/obdclass/lu_ref.c
+++ b/lustre/obdclass/lu_ref.c
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -41,9 +39,6 @@
  */
 
 #define DEBUG_SUBSYSTEM S_CLASS
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 
 #ifdef __KERNEL__
 # include <libcfs/libcfs.h>
@@ -62,18 +57,17 @@
  * Asserts a condition for a given lu_ref. Must be called with
  * lu_ref::lf_guard held.
  */
-#define REFASSERT(ref, expr)                            \
-  do {                                                  \
-          struct lu_ref *__ref = (ref);                 \
-                                                        \
-          if (unlikely(!(expr))) {                      \
-                  lu_ref_print(__ref);                  \
-                  cfs_spin_unlock(&__ref->lf_guard);    \
-                  lu_ref_print_all();                   \
-                  LASSERT(0);                           \
-                  cfs_spin_lock(&__ref->lf_guard);      \
-          }                                             \
-  } while (0)
+#define REFASSERT(ref, expr)  do {                      \
+       struct lu_ref *__tmp = (ref);                   \
+                                                       \
+       if (unlikely(!(expr))) {                        \
+               lu_ref_print(__tmp);                    \
+               cfs_spin_unlock(&__tmp->lf_guard);      \
+               lu_ref_print_all();                     \
+               LASSERT(0);                             \
+               cfs_spin_lock(&__tmp->lf_guard);        \
+       }                                               \
+} while (0)
 
 struct lu_ref_link {
         struct lu_ref    *ll_ref;
@@ -239,7 +233,7 @@ static struct lu_ref_link *lu_ref_find(struct lu_ref *ref, const char *scope,
                 ++iterations;
                 if (lu_ref_link_eq(link, scope, source)) {
                         if (iterations > lu_ref_chain_max_length) {
-                                CWARN("Long lu_ref chain %i \"%s\":%p\n",
+                                CWARN("Long lu_ref chain %d \"%s\":%p\n",
                                       iterations, scope, source);
                                 lu_ref_chain_max_length = iterations * 3 / 2;
                         }