tracing: Remove unused function trace_current_buffer_lock_reserve()

trace_current_buffer_lock_reserve() has no more users. Remove it.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

include/linux/trace_events.h

@@ -154,10 +154,6 @@ trace_event_buffer_lock_reserve(struct ring_buffer **current_buffer,
 				struct trace_event_file *trace_file,
 				int type, unsigned long len,
 				unsigned long flags, int pc);
-struct ring_buffer_event *
-trace_current_buffer_lock_reserve(struct ring_buffer **current_buffer,
-				  int type, unsigned long len,
-				  unsigned long flags, int pc);
 
 void tracing_record_cmdline(struct task_struct *tsk);
 

kernel/trace/trace.c

@@ -1714,16 +1714,6 @@ trace_event_buffer_lock_reserve(struct ring_buffer **current_rb,
 }
 EXPORT_SYMBOL_GPL(trace_event_buffer_lock_reserve);
 
-struct ring_buffer_event *
-trace_current_buffer_lock_reserve(struct ring_buffer **current_rb,
-				  int type, unsigned long len,
-				  unsigned long flags, int pc)
-{
-	*current_rb = global_trace.trace_buffer.buffer;
-	return trace_buffer_lock_reserve(*current_rb,
-					 type, len, flags, pc);
-}
-
 void trace_buffer_unlock_commit_regs(struct trace_array *tr,
 				     struct ring_buffer *buffer,
 				     struct ring_buffer_event *event,