Account size of merges

Just like we do for queues/dispatches/completions etc.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/blktrace.h b/blktrace.h
index f629314..7e844ca 100644
--- a/blktrace.h
+++ b/blktrace.h
@@ -31,6 +31,7 @@ struct io_stats {
 	unsigned long ireads, iwrites, rrqueue, wrqueue;
 	unsigned long long qread_kb, qwrite_kb, cread_kb, cwrite_kb;
 	unsigned long long iread_kb, iwrite_kb;
+	unsigned long long mread_kb, mwrite_kb;
 	unsigned long io_unplugs, timer_unplugs;
 };