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(parent: 2e19442) | patch
block: save previous hardware queue count before udpate
authorWeiping Zhang <zhangweiping@didiglobal.com>
Thu, 7 May 2020 13:03:56 +0000 (21:03 +0800)
committerJens Axboe <axboe@kernel.dk>
Sat, 9 May 2020 22:15:12 +0000 (16:15 -0600)
commita2584e43f5672e2715c0c5ca28ccff3b9f381581
tree39890353cea4889c86a35f3082e9ba43762c328etree | snapshot
parent2e194422f1eb4cdf5d6697bcfe0bbaf3059bbb5ecommit | diff
block: save previous hardware queue count before udpate

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>
block/blk-mq.c diff | blob | history
Domain: System / Kernel;