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| author |  Christoph Hellwig <hch@lst.de>
| 2022-10-18 15:57:17 +0200 |
|---|---|---|
| committer |  Jens Axboe <axboe@kernel.dk>
| 2022-10-25 08:25:10 -0600 |
| commit | 2b3f056f72e56fa07df69b4705e0b46a6c08e77c (patch) | |
| tree | cbff7730308b378de7bc8e3ac7076195404f9be4 /block | |
| parent | block: fix up elevator_type refcounting (diff) | |
| download | linux-2b3f056f72e56fa07df69b4705e0b46a6c08e77c.tar.gz linux-2b3f056f72e56fa07df69b4705e0b46a6c08e77c.tar.bz2 linux-2b3f056f72e56fa07df69b4705e0b46a6c08e77c.zip | |
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')
| -rw-r--r-- | block/blk-mq.c | 4 | ||||
| -rw-r--r-- | block/bsg-lib.c | 2 |
2 files changed, 3 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); diff --git a/block/bsg-lib.c b/block/bsg-lib.c index d6f5dcdce748..435c32373cd6 100644 --- a/block/bsg-lib.c +++ b/block/bsg-lib.c @@ -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: |