trace_block_rq_issue(rq);
if (test_bit(QUEUE_FLAG_STATS, &q->queue_flags)) {
- u64 start_time;
-#ifdef CONFIG_BLK_CGROUP
- if (rq->bio)
- start_time = bio_issue_time(&rq->bio->bi_issue);
- else
-#endif
- start_time = ktime_get_ns();
- rq->io_start_time_ns = start_time;
+ rq->io_start_time_ns = ktime_get_ns();
rq->stats_sectors = blk_rq_sectors(rq);
rq->rq_flags |= RQF_STATS;
rq_qos_issue(q, rq);