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-rw-r--r--block/blktrace.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/block/blktrace.c b/block/blktrace.c
index 8e52f24..834cd84 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -187,19 +187,15 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
cpu = raw_smp_processor_id();
if (blk_tr) {
- struct trace_entry *ent;
tracing_record_cmdline(current);
- event = ring_buffer_lock_reserve(blk_tr->buffer,
- sizeof(*t) + pdu_len);
+ pc = preempt_count();
+ event = trace_buffer_lock_reserve(blk_tr, TRACE_BLK,
+ sizeof(*t) + pdu_len,
+ 0, pc);
if (!event)
return;
-
- ent = ring_buffer_event_data(event);
- t = (struct blk_io_trace *)ent;
- pc = preempt_count();
- tracing_generic_entry_update(ent, 0, pc);
- ent->type = TRACE_BLK;
+ t = ring_buffer_event_data(event);
goto record_it;
}
@@ -241,12 +237,7 @@ record_it:
memcpy((void *) t + sizeof(*t), pdu_data, pdu_len);
if (blk_tr) {
- ring_buffer_unlock_commit(blk_tr->buffer, event);
- if (pid != 0 &&
- !(blk_tracer_flags.val & TRACE_BLK_OPT_CLASSIC) &&
- (trace_flags & TRACE_ITER_STACKTRACE) != 0)
- __trace_stack(blk_tr, 0, 5, pc);
- trace_wake_up();
+ trace_buffer_unlock_commit(blk_tr, event, 0, pc);
return;
}
}
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