Re: [PATCH v7 02/10] tracing: add basic event trigger framework

[Tom Zanussi <tom.zanussi@linux.intel.com>]

On Tue, 2013-08-27 at 15:12 -0400, Steven Rostedt wrote:
> On Mon, 26 Aug 2013 22:55:59 -0500
> Tom Zanussi <tom.zanussi@linux.intel.com> wrote:
> 
> 
> > diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
> > index b1227b9..1733ac9 100644
> > --- a/kernel/trace/trace.h
> > +++ b/kernel/trace/trace.h
> > @@ -1016,9 +1016,184 @@ extern void trace_event_enable_cmd_record(bool enable);
> >  extern int event_trace_add_tracer(struct dentry *parent, struct trace_array *tr);
> >  extern int event_trace_del_tracer(struct trace_array *tr);
> >  
> > +extern struct ftrace_event_file *find_event_file(struct trace_array *tr,
> > +						 const char *system,
> > +						 const char *event);
> 
> This patch breaks bisection as you need to remove the static from
> find_event_file() too.
> 
> Also, it adds a lot of warnings like "register_event_command" defined
> but not used.
> 
> My scripts will fail this patch if it adds a warning. No static
> function should be added without being used.
> 

Oops, sorry about that - I accidentally posted the v6 branch (though the
URL correctly pointed to v7).

The v7 branch actually fixes those problems, which I'll repost now..

Tom

> -- Steve
> 
> > +
> > +static inline void *event_file_data(struct file *filp)
> > +{
> > +	return ACCESS_ONCE(file_inode(filp)->i_private);
> > +}
> > +
> >  extern struct mutex event_mutex;
> >  extern struct list_head ftrace_events;
> >