diff options
author | John Garry <john.garry@huawei.com> | 2021-10-05 13:23:38 +0300 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 15:17:03 +0300 |
commit | ae0f1a732f4a5db284e2af02c305255734efd19c (patch) | |
tree | fdd5dbb8b230ecafe50455b2fa17209894a3b812 /block/blk-mq.c | |
parent | e155b0c238b20f0a866f4334d292656665836c8a (diff) | |
download | linux-ae0f1a732f4a5db284e2af02c305255734efd19c.tar.xz |
blk-mq: Stop using pointers for blk_mq_tags bitmap tags
Now that we use shared tags for shared sbitmap support, we don't require
the tags sbitmap pointers, so drop them.
This essentially reverts commit 222a5ae03cdd ("blk-mq: Use pointers for
blk_mq_tags bitmap tags").
Function blk_mq_init_bitmap_tags() is removed also, since it would be only
a wrappper for blk_mq_init_bitmaps().
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1633429419-228500-14-git-send-email-john.garry@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r-- | block/blk-mq.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 5537375f6400..e026e5ebe2c9 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1071,14 +1071,14 @@ static inline unsigned int queued_to_index(unsigned int queued) 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)) @@ -1121,7 +1121,7 @@ static int blk_mq_dispatch_wake(wait_queue_entry_t *wait, unsigned mode, 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); @@ -1139,7 +1139,7 @@ static int blk_mq_dispatch_wake(wait_queue_entry_t *wait, unsigned mode, 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; |