From: Oleg Drokin <gr...@linuxhacker.ru>

initialize the libcfs_debug_msg_data only if needed

Signed-off-by: Oleg Drokin <gr...@linuxhacker.ru>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-1408
Reviewed-on: http://review.whamcloud.com/8338
Reviewed-by: Jinshan Xiong <jinshan.xi...@intel.com>
Reviewed-by: John L. Hammond <john.hamm...@intel.com>
Reviewed-by: Oleg Drokin <oleg.dro...@intel.com>
Signed-off-by: James Simmons <jsimm...@infradead.org>
---
 drivers/staging/lustre/lustre/include/cl_object.h | 6 ++----
 drivers/staging/lustre/lustre/include/lu_object.h | 6 ++----
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/cl_object.h 
b/drivers/staging/lustre/lustre/include/cl_object.h
index 587a236..d4c33dd 100644
--- a/drivers/staging/lustre/lustre/include/cl_object.h
+++ b/drivers/staging/lustre/lustre/include/cl_object.h
@@ -1041,9 +1041,8 @@ struct cl_page_operations {
  */
 #define CL_PAGE_DEBUG(mask, env, page, format, ...)                 \
 do {                                                               \
-       LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, mask, NULL);                \
-                                                                       \
        if (cfs_cdebug_show(mask, DEBUG_SUBSYSTEM)) {              \
+               LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, mask, NULL);        \
                cl_page_print(env, &msgdata, lu_cdebug_printer, page);  \
                CDEBUG(mask, format, ## __VA_ARGS__);             \
        }                                                              \
@@ -1054,9 +1053,8 @@ do {                                                      
            \
  */
 #define CL_PAGE_HEADER(mask, env, page, format, ...)                     \
 do {                                                                     \
-       LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, mask, NULL);                      \
-                                                                             \
        if (cfs_cdebug_show(mask, DEBUG_SUBSYSTEM)) {                    \
+               LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, mask, NULL);                
\
                cl_page_header_print(env, &msgdata, lu_cdebug_printer, page); \
                CDEBUG(mask, format, ## __VA_ARGS__);                   \
        }                                                                    \
diff --git a/drivers/staging/lustre/lustre/include/lu_object.h 
b/drivers/staging/lustre/lustre/include/lu_object.h
index dad757f..41c45ff 100644
--- a/drivers/staging/lustre/lustre/include/lu_object.h
+++ b/drivers/staging/lustre/lustre/include/lu_object.h
@@ -781,9 +781,8 @@ int lu_cdebug_printer(const struct lu_env *env,
  */
 #define LU_OBJECT_DEBUG(mask, env, object, format, ...)                   \
 do {                                                                 \
-       LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, mask, NULL);                  \
-                                                                         \
        if (cfs_cdebug_show(mask, DEBUG_SUBSYSTEM)) {                \
+               LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, mask, NULL);                
\
                lu_object_print(env, &msgdata, lu_cdebug_printer, object);\
                CDEBUG(mask, format, ## __VA_ARGS__);               \
        }                                                                \
@@ -794,9 +793,8 @@ do {                                                        
              \
  */
 #define LU_OBJECT_HEADER(mask, env, object, format, ...)               \
 do {                                                               \
-       LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, mask, NULL);                \
-                                                                       \
        if (cfs_cdebug_show(mask, DEBUG_SUBSYSTEM)) {              \
+               LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, mask, NULL);                
\
                lu_object_header_print(env, &msgdata, lu_cdebug_printer,\
                                       (object)->lo_header);        \
                lu_cdebug_printer(env, &msgdata, "\n");          \
-- 
2.7.4

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