block: save previous hardware queue count before udpate

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blk_mq_realloc_tag_set_tags will update set->nr_hw_queues, so
save old set->nr_hw_queues before call this function.

Signed-off-by: Weiping Zhang <zhangweiping@didiglobal.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Weiping Zhang 2020-05-07 21:03:56 +08:00 • committed by Jens Axboe

parent 2e194422f1

commit a2584e43f5

1 changed files with 1 additions and 1 deletions

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block/blk-mq.c

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