diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-11-09 11:08:11 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-10 19:18:09 +0100 |
| commit | ee9d55210c2fe40ab6600b8009de2243b2ad1a4a (patch) | |
| tree | 1a20a62f930711b557ed4da8bd52a46fef02638c /block/blk-mq.c | |
| parent | blk-mq: remove blk_mq_alloc_tag_set_tags (diff) | |
| download | linux-ee9d55210c2fe40ab6600b8009de2243b2ad1a4a.tar.xz linux-ee9d55210c2fe40ab6600b8009de2243b2ad1a4a.zip | |
blk-mq: simplify blk_mq_realloc_tag_set_tags
Use set->nr_hw_queues for the current number of tags, and remove the
duplicate set->nr_hw_queues update in the caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20221109100811.2413423-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
| -rw-r--r-- | block/blk-mq.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 0134a1dd854f..ee16b4c34c6a 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -4376,11 +4376,11 @@ static void blk_mq_update_queue_map(struct blk_mq_tag_set *set) } static int blk_mq_realloc_tag_set_tags(struct blk_mq_tag_set *set, - int cur_nr_hw_queues, int new_nr_hw_queues) + int new_nr_hw_queues) { struct blk_mq_tags **new_tags; - if (cur_nr_hw_queues >= new_nr_hw_queues) + if (set->nr_hw_queues >= new_nr_hw_queues) return 0; new_tags = kcalloc_node(new_nr_hw_queues, sizeof(struct blk_mq_tags *), @@ -4389,7 +4389,7 @@ static int blk_mq_realloc_tag_set_tags(struct blk_mq_tag_set *set, return -ENOMEM; if (set->tags) - memcpy(new_tags, set->tags, cur_nr_hw_queues * + memcpy(new_tags, set->tags, set->nr_hw_queues * sizeof(*set->tags)); kfree(set->tags); set->tags = new_tags; @@ -4705,11 +4705,9 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, } prev_nr_hw_queues = set->nr_hw_queues; - if (blk_mq_realloc_tag_set_tags(set, set->nr_hw_queues, nr_hw_queues) < - 0) + if (blk_mq_realloc_tag_set_tags(set, nr_hw_queues) < 0) goto reregister; - set->nr_hw_queues = nr_hw_queues; fallback: blk_mq_update_queue_map(set); list_for_each_entry(q, &set->tag_list, tag_set_list) { |