staging: lustre: remove strange journal macros into the one file using them

This moves the PUSH_JOURNAL and friend macros into debug.c, as that's
the only place they are used, so why are they even a macro?

Cc: Peng Tao <tao.peng@emc.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/include/linux/libcfs/linux/linux-prim.h

@@ -85,13 +85,4 @@ LL_PROC_PROTO(name)				     \
  */
 typedef struct proc_dir_entry	   proc_dir_entry_t;
 
-#define DECL_JOURNAL_DATA	   void *journal_info
-#define PUSH_JOURNAL		do {    \
-	journal_info = current->journal_info;   \
-	current->journal_info = NULL;	   \
-	} while(0)
-#define POP_JOURNAL		 do {    \
-	current->journal_info = journal_info;   \
-	} while(0)
-
 #endif

drivers/staging/lustre/lustre/libcfs/debug.c

@@ -335,9 +335,10 @@ libcfs_debug_str2mask(int *mask, const char *str, int is_subsys)
  */
 void libcfs_debug_dumplog_internal(void *arg)
 {
-	DECL_JOURNAL_DATA;
+	void *journal_info;
 
-	PUSH_JOURNAL;
+	journal_info = current->journal_info;
+	current->journal_info = NULL;
 
 	if (strncmp(libcfs_debug_file_path_arr, "NONE", 4) != 0) {
 		snprintf(debug_file_name, sizeof(debug_file_name) - 1,
@@ -348,7 +349,8 @@ void libcfs_debug_dumplog_internal(void *arg)
 		cfs_tracefile_dump_all_pages(debug_file_name);
 		libcfs_run_debug_log_upcall(debug_file_name);
 	}
-	POP_JOURNAL;
+
+	current->journal_info = journal_info;
 }
 
 int libcfs_debug_dumplog_thread(void *arg)