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, 4 insertions, 4 deletions

diff --git a/block/blktrace.c b/block/blktrace.c
index 3f25425ade12..570cd3c40bd1 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -1140,10 +1140,10 @@ static struct {
         [__BLK_TA_REMAP]        = {{  "A", "remap" },      blk_log_remap },
 };
 
-static int blk_trace_event_print(struct trace_seq *s, struct trace_entry *ent,
-                                 int flags)
+static int blk_trace_event_print(struct trace_iterator *iter, int flags)
 {
-        const struct blk_io_trace *t = (struct blk_io_trace *)ent;
+        struct trace_seq *s = &iter->seq;
+        const struct blk_io_trace *t = (struct blk_io_trace *)iter->ent;
         const u16 what = t->action & ((1 << BLK_TC_SHIFT) - 1);
         int ret;
 
@@ -1153,7 +1153,7 @@ static int blk_trace_event_print(struct trace_seq *s, struct trace_entry *ent,
                 const bool long_act = !!(trace_flags & TRACE_ITER_VERBOSE);
                 ret = blk_log_action_seq(s, t, what2act[what].act[long_act]);
                 if (ret)
-                        ret = what2act[what].print(s, ent);
+                        ret = what2act[what].print(s, iter->ent);
         }
 
         return ret ? TRACE_TYPE_HANDLED : TRACE_TYPE_PARTIAL_LINE;