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-rw-r--r--block/blk-mq.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index deb85b5c6c21..17612e04d041 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -310,6 +310,7 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
rq->rq_disk = NULL;
rq->part = NULL;
rq->start_time = jiffies;
+ rq->io_start_time_ns = 0;
rq->nr_phys_segments = 0;
#if defined(CONFIG_BLK_DEV_INTEGRITY)
rq->nr_integrity_segments = 0;
@@ -329,7 +330,7 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
#ifdef CONFIG_BLK_CGROUP
rq->rl = NULL;
set_start_time_ns(rq);
- rq->io_start_time_ns = 0;
+ rq->cgroup_io_start_time_ns = 0;
#endif
data->ctx->rq_dispatched[op_is_sync(op)]++;
@@ -669,7 +670,10 @@ void blk_mq_start_request(struct request *rq)
trace_block_rq_issue(q, rq);
if (test_bit(QUEUE_FLAG_STATS, &q->queue_flags)) {
- blk_stat_set_issue(&rq->issue_stat, blk_rq_sectors(rq));
+ rq->io_start_time_ns = ktime_get_ns();
+#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
+ rq->throtl_size = blk_rq_sectors(rq);
+#endif
rq->rq_flags |= RQF_STATS;
wbt_issue(q->rq_wb, rq);
}