trace: Change struct trace_event callbacks parameter list

Impact: API change

The trace_seq and trace_entry are in trace_iterator, where there are
more fields that may be needed by tracers, so just pass the
tracer_iterator as is already the case for struct tracer->print_line.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 4 deletions

diff --git a/kernel/trace/trace_output.h b/kernel/trace/trace_output.h
index ec2ed90f10f0..3aeb31f6506b 100644
--- a/kernel/trace/trace_output.h
+++ b/kernel/trace/trace_output.h
@@ -3,8 +3,7 @@
 
 #include "trace.h"
 
-typedef int (*trace_print_func)(struct trace_seq *s, struct trace_entry *entry,
-                                int flags);
+typedef int (*trace_print_func)(struct trace_iterator *iter, int flags);
 
 struct trace_event {
         struct hlist_node       node;
@@ -40,8 +39,7 @@ struct trace_event *ftrace_find_event(int type);
 int register_ftrace_event(struct trace_event *event);
 int unregister_ftrace_event(struct trace_event *event);
 
-int
-trace_nop_print(struct trace_seq *s, struct trace_entry *entry, int flags);
+int trace_nop_print(struct trace_iterator *iter, int flags);
 
 #define MAX_MEMHEX_BYTES        8
 #define HEX_CHARS               (MAX_MEMHEX_BYTES*2 + 1)