blktrace: Use tracing_reset_online_cpus

Impact: cleanup

Use tracing_reset_online_cpus instead of open coding it.

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

diff --git a/block/blktrace.c b/block/blktrace.c
index 1b2267c..04d81d3 100644 (file)
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -1109,12 +1109,7 @@ static void blk_tracer_print_header(struct seq_file *m)
 
 static void blk_tracer_start(struct trace_array *tr)
 {
-       int cpu;
-
-       tr->time_start = ftrace_now(tr->cpu);
-
-       for_each_online_cpu(cpu)
-               tracing_reset(tr, cpu);
+       tracing_reset_online_cpus(tr);
 
        mutex_lock(&blk_probe_mutex);
        if (atomic_add_return(1, &blk_probes_ref) == 1)