[PATCH 03/16] blk-mq: provide dummy blk_mq_map_queue_type() helper
From: Jens Axboe <axboe@kernel.dk>
Date: 2018-10-30 18:33:05
Also in:
linux-nvme, lkml
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
Doesn't do anything right now, but it's needed as a prep patch to get the interfaces right. While in there, correct the blk_mq_map_queue() CPU type to an unsigned int. Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> --- block/blk-mq.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 889f0069dd80..d9facfb9ca51 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h@@ -73,13 +73,20 @@ void blk_mq_try_issue_list_directly(struct blk_mq_hw_ctx *hctx, extern int blk_mq_hw_queue_to_node(struct blk_mq_queue_map *qmap, unsigned int); static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q, - int cpu) + unsigned int cpu) { struct blk_mq_tag_set *set = q->tag_set; return q->queue_hw_ctx[set->map[0].mq_map[cpu]]; } +static inline struct blk_mq_hw_ctx *blk_mq_map_queue_type(struct request_queue *q, + unsigned int hctx_type, + unsigned int cpu) +{ + return blk_mq_map_queue(q, cpu); +} + /* * sysfs helpers */
--
2.17.1