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-rw-r--r--kernel/trace/blktrace.c26
1 files changed, 3 insertions, 23 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 9e5b8c272eec..5a0f781cd729 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -739,12 +739,6 @@ static void blk_add_trace_rq_complete(void *ignore,
739 struct request_queue *q, 739 struct request_queue *q,
740 struct request *rq) 740 struct request *rq)
741{ 741{
742 struct blk_trace *bt = q->blk_trace;
743
744 /* if control ever passes through here, it's a request based driver */
745 if (unlikely(bt && !bt->rq_based))
746 bt->rq_based = true;
747
748 blk_add_trace_rq(q, rq, BLK_TA_COMPLETE); 742 blk_add_trace_rq(q, rq, BLK_TA_COMPLETE);
749} 743}
750 744
@@ -780,24 +774,10 @@ static void blk_add_trace_bio_bounce(void *ignore,
780 blk_add_trace_bio(q, bio, BLK_TA_BOUNCE, 0); 774 blk_add_trace_bio(q, bio, BLK_TA_BOUNCE, 0);
781} 775}
782 776
783static void blk_add_trace_bio_complete(void *ignore, struct bio *bio, int error) 777static void blk_add_trace_bio_complete(void *ignore,
778 struct request_queue *q, struct bio *bio,
779 int error)
784{ 780{
785 struct request_queue *q;
786 struct blk_trace *bt;
787
788 if (!bio->bi_bdev)
789 return;
790
791 q = bdev_get_queue(bio->bi_bdev);
792 bt = q->blk_trace;
793
794 /*
795 * Request based drivers will generate both rq and bio completions.
796 * Ignore bio ones.
797 */
798 if (likely(!bt) || bt->rq_based)
799 return;
800
801 blk_add_trace_bio(q, bio, BLK_TA_COMPLETE, error); 781 blk_add_trace_bio(q, bio, BLK_TA_COMPLETE, error);
802} 782}
803 783