diff options
Diffstat (limited to 'block/blk-mq.h')
| -rw-r--r-- | block/blk-mq.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h index 63e9116cddbd..e59f5ca520a2 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -32,6 +32,21 @@ void blk_mq_free_queue(struct request_queue *q); 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 *, struct list_head *); +void blk_mq_flush_busy_ctxs(struct blk_mq_hw_ctx *hctx, struct list_head *list); + +/* + * Internal helpers for allocating/freeing the request map + */ +void blk_mq_free_rq_map(struct blk_mq_tag_set *set, struct blk_mq_tags *tags, + unsigned int hctx_idx); +struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, + unsigned int hctx_idx); + +/* + * Internal helpers for request insertion into sw queues + */ +void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq, + bool at_head); /* * CPU hotplug helpers @@ -103,6 +118,16 @@ static inline void blk_mq_set_alloc_data(struct blk_mq_alloc_data *data, data->hctx = hctx; } +/* + * Internal helpers for request allocation/init/free + */ +void blk_mq_rq_ctx_init(struct request_queue *q, struct blk_mq_ctx *ctx, + struct request *rq, unsigned int op); +void __blk_mq_free_request(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, + struct request *rq); +struct request *__blk_mq_alloc_request(struct blk_mq_alloc_data *data, + unsigned int op); + static inline bool blk_mq_hctx_stopped(struct blk_mq_hw_ctx *hctx) { return test_bit(BLK_MQ_S_STOPPED, &hctx->state); |