diff options
| -rw-r--r-- | include/trace/events/block.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/trace/events/block.h b/include/trace/events/block.h index 9a74b468a22..d86af94691c 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -171,6 +171,7 @@ TRACE_EVENT(block_rq_complete, (unsigned long long)__entry->sector, __entry->nr_sector, __entry->errors) ); + TRACE_EVENT(block_bio_bounce, TP_PROTO(struct request_queue *q, struct bio *bio), @@ -186,7 +187,8 @@ TRACE_EVENT(block_bio_bounce, ), TP_fast_assign( - __entry->dev = bio->bi_bdev->bd_dev; + __entry->dev = bio->bi_bdev ? + bio->bi_bdev->bd_dev : 0; __entry->sector = bio->bi_sector; __entry->nr_sector = bio->bi_size >> 9; blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size); |