diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index b5ef23f63d51..fec18118dc30 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -6884,8 +6884,8 @@ static void bfq_depth_updated(struct blk_mq_hw_ctx *hctx) struct blk_mq_tags *tags = hctx->sched_tags; unsigned int min_shallow; - min_shallow = bfq_update_depths(bfqd, tags->bitmap_tags); - sbitmap_queue_min_shallow_depth(tags->bitmap_tags, min_shallow); + min_shallow = bfq_update_depths(bfqd, &tags->bitmap_tags); + sbitmap_queue_min_shallow_depth(&tags->bitmap_tags, min_shallow); } static int bfq_init_hctx(struct blk_mq_hw_ctx *hctx, unsigned int index) diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 3b38d15723de..3daea160d670 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -453,11 +453,11 @@ static void blk_mq_debugfs_tags_show(struct seq_file *m, atomic_read(&tags->active_queues)); seq_puts(m, "\nbitmap_tags:\n"); - sbitmap_queue_show(tags->bitmap_tags, m); + sbitmap_queue_show(&tags->bitmap_tags, m); if (tags->nr_reserved_tags) { seq_puts(m, "\nbreserved_tags:\n"); - sbitmap_queue_show(tags->breserved_tags, m); + sbitmap_queue_show(&tags->breserved_tags, m); } } @@ -488,7 +488,7 @@ static int hctx_tags_bitmap_show(void *data, struct seq_file *m) if (res) goto out; if (hctx->tags) - sbitmap_bitmap_show(&hctx->tags->bitmap_tags->sb, m); + sbitmap_bitmap_show(&hctx->tags->bitmap_tags.sb, m); mutex_unlock(&q->sysfs_lock); out: @@ -522,7 +522,7 @@ static int hctx_sched_tags_bitmap_show(void *data, struct seq_file *m) if (res) goto out; if (hctx->sched_tags) - sbitmap_bitmap_show(&hctx->sched_tags->bitmap_tags->sb, m); + sbitmap_bitmap_show(&hctx->sched_tags->bitmap_tags.sb, m); mutex_unlock(&q->sysfs_lock); out: diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index 0e10e8404bf0..211068a5f676 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -44,9 +44,9 @@ bool __blk_mq_tag_busy(struct blk_mq_hw_ctx *hctx) */ void blk_mq_tag_wakeup_all(struct blk_mq_tags *tags, bool include_reserve) { - sbitmap_queue_wake_all(tags->bitmap_tags); + sbitmap_queue_wake_all(&tags->bitmap_tags); if (include_reserve) - sbitmap_queue_wake_all(tags->breserved_tags); + sbitmap_queue_wake_all(&tags->breserved_tags); } /* @@ -100,10 +100,10 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data) WARN_ON_ONCE(1); return BLK_MQ_NO_TAG; } - bt = tags->breserved_tags; + bt = &tags->breserved_tags; tag_offset = 0; } else { - bt = tags->bitmap_tags; + bt = &tags->bitmap_tags; tag_offset = tags->nr_reserved_tags; } @@ -149,9 +149,9 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data) data->ctx); tags = blk_mq_tags_from_data(data); if (data->flags & BLK_MQ_REQ_RESERVED) - bt = tags->breserved_tags; + bt = &tags->breserved_tags; else - bt = tags->bitmap_tags; + bt = &tags->bitmap_tags; /* * If destination hw queue is changed, fake wake up on @@ -185,10 +185,10 @@ void blk_mq_put_tag(struct blk_mq_tags *tags, struct blk_mq_ctx *ctx, const int real_tag = tag - tags->nr_reserved_tags; BUG_ON(real_tag >= tags->nr_tags); - sbitmap_queue_clear(tags->bitmap_tags, real_tag, ctx->cpu); + sbitmap_queue_clear(&tags->bitmap_tags, real_tag, ctx->cpu); } else { BUG_ON(tag >= tags->nr_reserved_tags); - sbitmap_queue_clear(tags->breserved_tags, tag, ctx->cpu); + sbitmap_queue_clear(&tags->breserved_tags, tag, ctx->cpu); } } @@ -339,9 +339,9 @@ static void __blk_mq_all_tag_iter(struct blk_mq_tags *tags, WARN_ON_ONCE(flags & BT_TAG_ITER_RESERVED); if (tags->nr_reserved_tags) - bt_tags_for_each(tags, tags->breserved_tags, fn, priv, + bt_tags_for_each(tags, &tags->breserved_tags, fn, priv, flags | BT_TAG_ITER_RESERVED); - bt_tags_for_each(tags, tags->bitmap_tags, fn, priv, flags); + bt_tags_for_each(tags, &tags->bitmap_tags, fn, priv, flags); } /** @@ -458,8 +458,8 @@ void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn, continue; if (tags->nr_reserved_tags) - bt_for_each(hctx, tags->breserved_tags, fn, priv, true); - bt_for_each(hctx, tags->bitmap_tags, fn, priv, false); + bt_for_each(hctx, &tags->breserved_tags, fn, priv, true); + bt_for_each(hctx, &tags->bitmap_tags, fn, priv, false); } blk_queue_exit(q); } @@ -491,24 +491,6 @@ int blk_mq_init_bitmaps(struct sbitmap_queue *bitmap_tags, return -ENOMEM; } -static int blk_mq_init_bitmap_tags(struct blk_mq_tags *tags, - int node, int alloc_policy) -{ - int ret; - - ret = blk_mq_init_bitmaps(&tags->__bitmap_tags, - &tags->__breserved_tags, - tags->nr_tags, tags->nr_reserved_tags, - node, alloc_policy); - if (ret) - return ret; - - tags->bitmap_tags = &tags->__bitmap_tags; - tags->breserved_tags = &tags->__breserved_tags; - - return 0; -} - struct blk_mq_tags *blk_mq_init_tags(unsigned int total_tags, unsigned int reserved_tags, int node, int alloc_policy) @@ -528,7 +510,9 @@ struct blk_mq_tags *blk_mq_init_tags(unsigned int total_tags, tags->nr_reserved_tags = reserved_tags; spin_lock_init(&tags->lock); - if (blk_mq_init_bitmap_tags(tags, node, alloc_policy) < 0) { + if (blk_mq_init_bitmaps(&tags->bitmap_tags, &tags->breserved_tags, + total_tags, reserved_tags, node, + alloc_policy) < 0) { kfree(tags); return NULL; } @@ -537,8 +521,8 @@ struct blk_mq_tags *blk_mq_init_tags(unsigned int total_tags, void blk_mq_free_tags(struct blk_mq_tags *tags) { - sbitmap_queue_free(tags->bitmap_tags); - sbitmap_queue_free(tags->breserved_tags); + sbitmap_queue_free(&tags->bitmap_tags); + sbitmap_queue_free(&tags->breserved_tags); kfree(tags); } @@ -587,7 +571,7 @@ int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx, * Don't need (or can't) update reserved tags here, they * remain static and should never need resizing. */ - sbitmap_queue_resize(tags->bitmap_tags, + sbitmap_queue_resize(&tags->bitmap_tags, tdepth - tags->nr_reserved_tags); } @@ -598,12 +582,12 @@ void blk_mq_tag_resize_shared_sbitmap(struct blk_mq_tag_set *set, unsigned int s { struct blk_mq_tags *tags = set->shared_sbitmap_tags; - sbitmap_queue_resize(&tags->__bitmap_tags, size - set->reserved_tags); + sbitmap_queue_resize(&tags->bitmap_tags, size - set->reserved_tags); } void blk_mq_tag_update_sched_shared_sbitmap(struct request_queue *q) { - sbitmap_queue_resize(q->shared_sbitmap_tags->bitmap_tags, + sbitmap_queue_resize(&q->shared_sbitmap_tags->bitmap_tags, q->nr_requests - q->tag_set->reserved_tags); } diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h index e43f7589b96c..1052d69147ba 100644 --- a/block/blk-mq-tag.h +++ b/block/blk-mq-tag.h @@ -13,11 +13,8 @@ struct blk_mq_tags { atomic_t active_queues; - struct sbitmap_queue *bitmap_tags; - struct sbitmap_queue *breserved_tags; - - struct sbitmap_queue __bitmap_tags; - struct sbitmap_queue __breserved_tags; + struct sbitmap_queue bitmap_tags; + struct sbitmap_queue breserved_tags; struct request **rqs; struct request **static_rqs; diff --git a/block/blk-mq.c b/block/blk-mq.c index 5537375f6400..e026e5ebe2c9 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1071,14 +1071,14 @@ static inline unsigned int queued_to_index(unsigned int queued) static bool __blk_mq_get_driver_tag(struct request *rq) { - struct sbitmap_queue *bt = rq->mq_hctx->tags->bitmap_tags; + struct sbitmap_queue *bt = &rq->mq_hctx->tags->bitmap_tags; unsigned int tag_offset = rq->mq_hctx->tags->nr_reserved_tags; int tag; blk_mq_tag_busy(rq->mq_hctx); if (blk_mq_tag_is_reserved(rq->mq_hctx->sched_tags, rq->internal_tag)) { - bt = rq->mq_hctx->tags->breserved_tags; + bt = &rq->mq_hctx->tags->breserved_tags; tag_offset = 0; } else { if (!hctx_may_queue(rq->mq_hctx, bt)) @@ -1121,7 +1121,7 @@ static int blk_mq_dispatch_wake(wait_queue_entry_t *wait, unsigned mode, struct sbitmap_queue *sbq; list_del_init(&wait->entry); - sbq = hctx->tags->bitmap_tags; + sbq = &hctx->tags->bitmap_tags; atomic_dec(&sbq->ws_active); } spin_unlock(&hctx->dispatch_wait_lock); @@ -1139,7 +1139,7 @@ static int blk_mq_dispatch_wake(wait_queue_entry_t *wait, unsigned mode, static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx *hctx, struct request *rq) { - struct sbitmap_queue *sbq = hctx->tags->bitmap_tags; + struct sbitmap_queue *sbq = &hctx->tags->bitmap_tags; struct wait_queue_head *wq; wait_queue_entry_t *wait; bool ret; diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c index 53dafc4bcd72..fdd74a4df56f 100644 --- a/block/kyber-iosched.c +++ b/block/kyber-iosched.c @@ -453,11 +453,11 @@ static void kyber_depth_updated(struct blk_mq_hw_ctx *hctx) { struct kyber_queue_data *kqd = hctx->queue->elevator->elevator_data; struct blk_mq_tags *tags = hctx->sched_tags; - unsigned int shift = tags->bitmap_tags->sb.shift; + unsigned int shift = tags->bitmap_tags.sb.shift; kqd->async_depth = (1U << shift) * KYBER_ASYNC_PERCENT / 100U; - sbitmap_queue_min_shallow_depth(tags->bitmap_tags, kqd->async_depth); + sbitmap_queue_min_shallow_depth(&tags->bitmap_tags, kqd->async_depth); } static int kyber_init_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx) diff --git a/block/mq-deadline.c b/block/mq-deadline.c index 2001ac186f5c..85d919bf60c7 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -567,7 +567,7 @@ static void dd_depth_updated(struct blk_mq_hw_ctx *hctx) dd->async_depth = max(1UL, 3 * q->nr_requests / 4); - sbitmap_queue_min_shallow_depth(tags->bitmap_tags, dd->async_depth); + sbitmap_queue_min_shallow_depth(&tags->bitmap_tags, dd->async_depth); } /* Called by blk_mq_init_hctx() and blk_mq_init_sched(). */