diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 70f2aeadd21c321d2e080c0f86e51bb37f8848a1..2247db8429858da94dd0b0b4a62b3ae9f530748f 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -4651,9 +4651,6 @@ static bool bfq_has_work(struct blk_mq_hw_ctx *hctx) { struct bfq_data *bfqd = hctx->queue->elevator->elevator_data; - if (!atomic_read(&hctx->elevator_queued)) - return false; - /* * Avoiding lock: a race on bfqd->busy_queues should cause at * most a call to dispatch for nothing @@ -5570,7 +5567,6 @@ static void bfq_insert_requests(struct blk_mq_hw_ctx *hctx, rq = list_first_entry(list, struct request, queuelist); list_del_init(&rq->queuelist); bfq_insert_request(hctx, rq, at_head); - atomic_inc(&hctx->elevator_queued); } } @@ -5935,7 +5931,6 @@ static void bfq_finish_requeue_request(struct request *rq) bfq_update_inject_limit(bfqd, bfqq); bfq_completed_request(bfqq, bfqd); - atomic_dec(&rq->mq_hctx->elevator_queued); } bfq_finish_requeue_request_body(bfqq); spin_unlock_irqrestore(&bfqd->lock, flags); diff --git a/block/blk-mq.c b/block/blk-mq.c index b8cf684030dce724f1da77b71e05932c4b2d2e3d..8428624ac42fb3a0302dbdb4198f1f5303792d63 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2748,7 +2748,6 @@ blk_mq_alloc_hctx(struct request_queue *q, struct blk_mq_tag_set *set, goto free_hctx; atomic_set(&hctx->nr_active, 0); - atomic_set(&hctx->elevator_queued, 0); if (node == NUMA_NO_NODE) node = set->numa_node; hctx->numa_node = node; diff --git a/block/mq-deadline.c b/block/mq-deadline.c index 43994cce1eb26ba65f23a0f25da72c96362291ea..42b6e9dbe7c705ca245ed0f9bfd79ec0606a64cd 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -386,8 +386,6 @@ static struct request *dd_dispatch_request(struct blk_mq_hw_ctx *hctx) spin_lock(&dd->lock); rq = __dd_dispatch_request(dd); spin_unlock(&dd->lock); - if (rq) - atomic_dec(&rq->mq_hctx->elevator_queued); return rq; } @@ -539,7 +537,6 @@ static void dd_insert_requests(struct blk_mq_hw_ctx *hctx, rq = list_first_entry(list, struct request, queuelist); list_del_init(&rq->queuelist); dd_insert_request(hctx, rq, at_head); - atomic_inc(&hctx->elevator_queued); } spin_unlock(&dd->lock); } @@ -586,9 +583,6 @@ static bool dd_has_work(struct blk_mq_hw_ctx *hctx) { struct deadline_data *dd = hctx->queue->elevator->elevator_data; - if (!atomic_read(&hctx->elevator_queued)) - return false; - return !list_empty_careful(&dd->dispatch) || !list_empty_careful(&dd->fifo_list[0]) || !list_empty_careful(&dd->fifo_list[1]); diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 3134aaf9032aefca00757abba56ffbed98eef6c2..adcbef9705ca61308c326d4502a1eaaace65a00a 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -141,10 +141,6 @@ struct blk_mq_hw_ctx { * shared across request queues. */ atomic_t nr_active; - /** - * @elevator_queued: Number of queued requests on hctx. - */ - atomic_t elevator_queued; /** @cpuhp_online: List to store request if CPU is going to die */ struct hlist_node cpuhp_online;