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| author |   Jens Axboe <axboe@kernel.dk> | 2021-10-16 16:38:14 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-19 05:55:41 -0600 |
| commit | e028f167eca5fc56938e6c1680d40eed0bc39e80 (patch) | |
| tree | 8b8d8043d38dd9faa0be7b32f0a3809ab24a2d01 /block/blk-mq-tag.h | |
| parent | block: get rid of plug list sorting (diff) | |
| download | linux-dev-e028f167eca5fc56938e6c1680d40eed0bc39e80.tar.xz linux-dev-e028f167eca5fc56938e6c1680d40eed0bc39e80.zip | |
block: move blk_mq_tag_to_rq() inline
This is in the fast path of driver issue or completion, and it's a single
array index operation. Move it inline to avoid a function call for it.
This does mean making struct blk_mq_tags block layer public, but there's
not really much in there.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq-tag.h')
| -rw-r--r-- | block/blk-mq-tag.h | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h index 78ae2fb8e2a4..df787b5a23bd 100644 --- a/block/blk-mq-tag.h +++ b/block/blk-mq-tag.h @@ -4,29 +4,6 @@ struct blk_mq_alloc_data; -/* - * Tag address space map. - */ -struct blk_mq_tags { - unsigned int nr_tags; - unsigned int nr_reserved_tags; - - atomic_t active_queues; - - struct sbitmap_queue bitmap_tags; - struct sbitmap_queue breserved_tags; - - struct request **rqs; - struct request **static_rqs; - struct list_head page_list; - - /* - * used to clear request reference in rqs[] before freeing one - * request pool - */ - spinlock_t lock; -}; - extern struct blk_mq_tags *blk_mq_init_tags(unsigned int nr_tags, unsigned int reserved_tags, int node, int alloc_policy); |