[PATCH] writeback: add missing spaces after ','

[sunran001]

Remove spaces to clear checkpatch errors.

ERROR: space required after that ',' (ctx:VxV)

Signed-off-by: Ran Sun <sunran001@xxxxxxxxxx>
---
 include/trace/events/writeback.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/trace/events/writeback.h 
b/include/trace/events/writeback.h
index 54e353c9f919..43cdecf362e3 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -26,8 +26,8 @@
 /* enums need to be exported to user space */
 #undef EM
 #undef EMe
-#define EM(a,b)     TRACE_DEFINE_ENUM(a);
-#define EMe(a,b)    TRACE_DEFINE_ENUM(a);
+#define EM(a, b)     TRACE_DEFINE_ENUM(a);
+#define EMe(a, b)    TRACE_DEFINE_ENUM(a);

 #define WB_WORK_REASON                            \
     EM( WB_REASON_BACKGROUND,        "background")        \
@@ -47,8 +47,8 @@ WB_WORK_REASON
  */
 #undef EM
 #undef EMe
-#define EM(a,b)        { a, b },
-#define EMe(a,b)    { a, b }
+#define EM(a, b)    { a, b },
+#define EMe(a, b)    { a, b }

 struct wb_writeback_work;