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Diffstat (limited to 'block/blk-mq.h')
-rw-r--r--block/blk-mq.h14
1 files changed, 4 insertions, 10 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h
index e876584d3516..1743857e0b01 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -47,7 +47,6 @@ int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr);
void blk_mq_wake_waiters(struct request_queue *q);
bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *,
unsigned int);
-void blk_mq_add_to_requeue_list(struct request *rq, blk_insert_t insert_flags);
void blk_mq_flush_busy_ctxs(struct blk_mq_hw_ctx *hctx, struct list_head *list);
struct request *blk_mq_dequeue_from_ctx(struct blk_mq_hw_ctx *hctx,
struct blk_mq_ctx *start);
@@ -64,10 +63,6 @@ struct blk_mq_tags *blk_mq_alloc_map_and_rqs(struct blk_mq_tag_set *set,
void blk_mq_free_map_and_rqs(struct blk_mq_tag_set *set,
struct blk_mq_tags *tags,
unsigned int hctx_idx);
-/*
- * Internal helpers for request insertion into sw queues
- */
-void blk_mq_request_bypass_insert(struct request *rq, blk_insert_t flags);
/*
* CPU -> queue mappings
@@ -226,9 +221,9 @@ static inline bool blk_mq_is_shared_tags(unsigned int flags)
static inline struct blk_mq_tags *blk_mq_tags_from_data(struct blk_mq_alloc_data *data)
{
- if (!(data->rq_flags & RQF_ELV))
- return data->hctx->tags;
- return data->hctx->sched_tags;
+ if (data->rq_flags & RQF_SCHED_TAGS)
+ return data->hctx->sched_tags;
+ return data->hctx->tags;
}
static inline bool blk_mq_hctx_stopped(struct blk_mq_hw_ctx *hctx)
@@ -417,8 +412,7 @@ static inline bool hctx_may_queue(struct blk_mq_hw_ctx *hctx,
return true;
}
- users = atomic_read(&hctx->tags->active_queues);
-
+ users = READ_ONCE(hctx->tags->active_queues);
if (!users)
return true;