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tracing: Make filter_check_discard() local 

Nothing outside of the tracing directory calls filter_check_discard() or
check_filter_check_discard(). They should not be called by modules. Move
their prototypes into the local tracing header and remove their
EXPORT_SYMBOL() macros.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2016-04-27 10:13:46 -04:00 committed by Steven Rostedt
parent dad56ee742
commit 65da9a0a3b
3 changed files with 6 additions and 8 deletions
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6
include/linux/trace_events.h
View File

@ -413,12 +413,6 @@ enum event_trigger_type {
extern int filter_match_preds(struct event_filter *filter, void *rec); extern int filter_match_preds(struct event_filter *filter, void *rec);
extern int filter_check_discard(struct trace_event_file *file, void *rec,
struct ring_buffer *buffer,
struct ring_buffer_event *event);
extern int call_filter_check_discard(struct trace_event_call *call, void *rec,
struct ring_buffer *buffer,
struct ring_buffer_event *event);
extern enum event_trigger_type event_triggers_call(struct trace_event_file *file, extern enum event_trigger_type event_triggers_call(struct trace_event_file *file,
void *rec); void *rec);
extern void event_triggers_post_call(struct trace_event_file *file, extern void event_triggers_post_call(struct trace_event_file *file,

2
kernel/trace/trace.c
View File

@ -318,7 +318,6 @@ int filter_check_discard(struct trace_event_file *file, void *rec,
return 0; return 0;
} }
EXPORT_SYMBOL_GPL(filter_check_discard);
int call_filter_check_discard(struct trace_event_call *call, void *rec, int call_filter_check_discard(struct trace_event_call *call, void *rec,
struct ring_buffer *buffer, struct ring_buffer *buffer,
@ -332,7 +331,6 @@ int call_filter_check_discard(struct trace_event_call *call, void *rec,
return 0; return 0;
} }
EXPORT_SYMBOL_GPL(call_filter_check_discard);
static cycle_t buffer_ftrace_now(struct trace_buffer *buf, int cpu) static cycle_t buffer_ftrace_now(struct trace_buffer *buf, int cpu)
{ {

6
kernel/trace/trace.h
View File

@ -1065,6 +1065,12 @@ struct trace_subsystem_dir {
int nr_events; int nr_events;
}; };
extern int filter_check_discard(struct trace_event_file *file, void *rec,
struct ring_buffer *buffer,
struct ring_buffer_event *event);
extern int call_filter_check_discard(struct trace_event_call *call, void *rec,
struct ring_buffer *buffer,
struct ring_buffer_event *event);
/* /*
* Helper function for event_trigger_unlock_commit{_regs}(). * Helper function for event_trigger_unlock_commit{_regs}().
* If there are event triggers attached to this event that requires * If there are event triggers attached to this event that requires