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authorChristoph Hellwig <hch@lst.de>2022-10-18 15:57:17 +0200
committerJens Axboe <axboe@kernel.dk>2022-10-25 08:25:10 -0600
commit2b3f056f72e56fa07df69b4705e0b46a6c08e77c (patch)
treecbff7730308b378de7bc8e3ac7076195404f9be4 /block/blk-mq.c
parent8ed40ee35d94df2fdb56bbbc07e17dffd2383625 (diff)
blk-mq: move the call to blk_put_queue out of blk_mq_destroy_queue
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>
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r--block/blk-mq.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 098432d3caf1..4cecf281123f 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -4010,9 +4010,6 @@ void blk_mq_destroy_queue(struct request_queue *q)
blk_sync_queue(q);
blk_mq_cancel_work_sync(q);
blk_mq_exit_queue(q);
-
- /* @q is and will stay empty, shutdown and put */
- blk_put_queue(q);
}
EXPORT_SYMBOL(blk_mq_destroy_queue);
@@ -4029,6 +4026,7 @@ struct gendisk *__blk_mq_alloc_disk(struct blk_mq_tag_set *set, void *queuedata,
disk = __alloc_disk_node(q, set->numa_node, lkclass);
if (!disk) {
blk_mq_destroy_queue(q);
+ blk_put_queue(q);
return ERR_PTR(-ENOMEM);
}
set_bit(GD_OWNS_QUEUE, &disk->state);