[PATCH v2] blk-throttle: use queue_is_rq_based

[weiping zhang]

use queue_is_rq_based instead of open code.

Signed-off-by: weiping zhang <zhangweip...@didichuxing.com>
---
 block/blk-throttle.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index e136f5e..c475f0f 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -2489,7 +2489,7 @@ void blk_throtl_register_queue(struct request_queue *q)
        td->throtl_slice = DFL_THROTL_SLICE_HD;
 #endif
 
-       td->track_bio_latency = !q->mq_ops && !q->request_fn;
+       td->track_bio_latency = !queue_is_rq_based(q);
        if (!td->track_bio_latency)
                blk_stat_enable_accounting(q);
 }
-- 
2.9.4