On Thu, 03 Aug 2023 19:12:42 +0800, Zhiguo Niu wrote: > The original formula was inaccurate: > dd->async_depth = max(1UL, 3 * q->nr_requests / 4); > > For write requests, when we assign a tags from sched_tags, > data->shallow_depth will be passed to sbitmap_find_bit, > see the following code: > > [...] Applied, thanks! [1/1] block/mq-deadline: use correct way to throttling write requests commit: d47f9717e5cfd0dd8c0ba2ecfa47c38d140f1bb6 Best regards, -- Jens Axboe