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blk-mq: delete redundant tagset map update when fallback

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When we increase nr_hw_queues fail, the fallback path will use
blk_mq_update_queue_map() to clear and update all maps.
Obviously, this line of update of HCTX_TYPE_DEFAULT only is not
needed, so delete it.

Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230821095602.70742-2-chengming.zhou@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Chengming Zhou 2023-08-21 17:56:01 +08:00 committed by Jens Axboe
parent e1dd7bc930
commit 2bc4d7a355
1 changed files with 0 additions and 1 deletions
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1
block/blk-mq.c
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@ -4730,7 +4730,6 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
__blk_mq_free_map_and_rqs(set, i);
set->nr_hw_queues = prev_nr_hw_queues;
blk_mq_map_queues(&set->map[HCTX_TYPE_DEFAULT]);
goto fallback;
}
blk_mq_map_swqueue(q);