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blk-mq: move the call to blk_put_queue out of blk_mq_destroy_queue

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The fact that blk_mq_destroy_queue also drops a queue reference leads
to various places having to grab an extra reference.  Move the call to
blk_put_queue into the callers to allow removing the extra references.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20221018135720.670094-2-hch@lst.de
[axboe: fix fabrics_q vs admin_q conflict in nvme core.c]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2022-10-18 15:57:17 +02:00
committed by Jens Axboe
parent 8ed40ee35d
commit 2b3f056f72
7 changed files with 16 additions and 5 deletions
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2
block/bsg-lib.c
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@@ -325,6 +325,7 @@ void bsg_remove_queue(struct request_queue *q)
bsg_unregister_queue(bset->bd);
blk_mq_destroy_queue(q);
blk_put_queue(q);
blk_mq_free_tag_set(&bset->tag_set);
kfree(bset);
}
@@ -400,6 +401,7 @@ struct request_queue *bsg_setup_queue(struct device *dev, const char *name,
return q;
out_cleanup_queue:
blk_mq_destroy_queue(q);
blk_put_queue(q);
out_queue:
blk_mq_free_tag_set(set);
out_tag_set: