tracing: Kill ftrace_event_call->files

Remove ftrace_event_call->files. It has no users, and in fact even
the commit ae63b31e4d0e "tracing: Separate out trace events from
global variables" which added this member did not use it.

Link: http://lkml.kernel.org/p/20140715184827.GA20508@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index f434d75..06c6faa 100644 (file)
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -272,7 +272,6 @@ struct ftrace_event_call {
        struct trace_event      event;
        const char              *print_fmt;
        struct event_filter     *filter;
-       struct list_head        *files;
        void                    *mod;
        void                    *data;
        /*