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-rw-r--r--kernel/trace/blktrace.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index fab31aff9d97..153562d0b93c 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -758,54 +758,58 @@ static void blk_add_trace_rq_complete(void *ignore,
758 * @q: queue the io is for 758 * @q: queue the io is for
759 * @bio: the source bio 759 * @bio: the source bio
760 * @what: the action 760 * @what: the action
761 * @error: error, if any
761 * 762 *
762 * Description: 763 * Description:
763 * Records an action against a bio. Will log the bio offset + size. 764 * Records an action against a bio. Will log the bio offset + size.
764 * 765 *
765 **/ 766 **/
766static void blk_add_trace_bio(struct request_queue *q, struct bio *bio, 767static void blk_add_trace_bio(struct request_queue *q, struct bio *bio,
767 u32 what) 768 u32 what, int error)
768{ 769{
769 struct blk_trace *bt = q->blk_trace; 770 struct blk_trace *bt = q->blk_trace;
770 771
771 if (likely(!bt)) 772 if (likely(!bt))
772 return; 773 return;
773 774
775 if (!error && !bio_flagged(bio, BIO_UPTODATE))
776 error = EIO;
777
774 __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what, 778 __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what,
775 !bio_flagged(bio, BIO_UPTODATE), 0, NULL); 779 error, 0, NULL);
776} 780}
777 781
778static void blk_add_trace_bio_bounce(void *ignore, 782static void blk_add_trace_bio_bounce(void *ignore,
779 struct request_queue *q, struct bio *bio) 783 struct request_queue *q, struct bio *bio)
780{ 784{
781 blk_add_trace_bio(q, bio, BLK_TA_BOUNCE); 785 blk_add_trace_bio(q, bio, BLK_TA_BOUNCE, 0);
782} 786}
783 787
784static void blk_add_trace_bio_complete(void *ignore, 788static void blk_add_trace_bio_complete(void *ignore,
785 struct request_queue *q, struct bio *bio, 789 struct request_queue *q, struct bio *bio,
786 int error) 790 int error)
787{ 791{
788 blk_add_trace_bio(q, bio, BLK_TA_COMPLETE); 792 blk_add_trace_bio(q, bio, BLK_TA_COMPLETE, error);
789} 793}
790 794
791static void blk_add_trace_bio_backmerge(void *ignore, 795static void blk_add_trace_bio_backmerge(void *ignore,
792 struct request_queue *q, 796 struct request_queue *q,
793 struct bio *bio) 797 struct bio *bio)
794{ 798{
795 blk_add_trace_bio(q, bio, BLK_TA_BACKMERGE); 799 blk_add_trace_bio(q, bio, BLK_TA_BACKMERGE, 0);
796} 800}
797 801
798static void blk_add_trace_bio_frontmerge(void *ignore, 802static void blk_add_trace_bio_frontmerge(void *ignore,
799 struct request_queue *q, 803 struct request_queue *q,
800 struct bio *bio) 804 struct bio *bio)
801{ 805{
802 blk_add_trace_bio(q, bio, BLK_TA_FRONTMERGE); 806 blk_add_trace_bio(q, bio, BLK_TA_FRONTMERGE, 0);
803} 807}
804 808
805static void blk_add_trace_bio_queue(void *ignore, 809static void blk_add_trace_bio_queue(void *ignore,
806 struct request_queue *q, struct bio *bio) 810 struct request_queue *q, struct bio *bio)
807{ 811{
808 blk_add_trace_bio(q, bio, BLK_TA_QUEUE); 812 blk_add_trace_bio(q, bio, BLK_TA_QUEUE, 0);
809} 813}
810 814
811static void blk_add_trace_getrq(void *ignore, 815static void blk_add_trace_getrq(void *ignore,
@@ -813,7 +817,7 @@ static void blk_add_trace_getrq(void *ignore,
813 struct bio *bio, int rw) 817 struct bio *bio, int rw)
814{ 818{
815 if (bio) 819 if (bio)
816 blk_add_trace_bio(q, bio, BLK_TA_GETRQ); 820 blk_add_trace_bio(q, bio, BLK_TA_GETRQ, 0);
817 else { 821 else {
818 struct blk_trace *bt = q->blk_trace; 822 struct blk_trace *bt = q->blk_trace;
819 823
@@ -828,7 +832,7 @@ static void blk_add_trace_sleeprq(void *ignore,
828 struct bio *bio, int rw) 832 struct bio *bio, int rw)
829{ 833{
830 if (bio) 834 if (bio)
831 blk_add_trace_bio(q, bio, BLK_TA_SLEEPRQ); 835 blk_add_trace_bio(q, bio, BLK_TA_SLEEPRQ, 0);
832 else { 836 else {
833 struct blk_trace *bt = q->blk_trace; 837 struct blk_trace *bt = q->blk_trace;
834 838