*/
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);
}
/*
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;
}
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
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);
}
}
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);
}
/**
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);
}
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)
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;
}
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);
}
* 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);
}
{
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);
}
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))
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);
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;