block: Remove redundant parent blkcg_gp check in check_scale_change

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Function blkcg_iolatency_throttle will make sure blkg->parent is not
NULL before calls check_scale_change. And function check_scale_change
is only called in blkcg_iolatency_throttle.

Signed-off-by: Kemeng Shi <shikemeng@huawei.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/20221018111240.22612-2-shikemeng@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Kemeng Shi 2022-10-18 19:12:38 +08:00 • committed by Jens Axboe

parent 64b36075eb

commit db5896e9cf

1 changed files with 0 additions and 3 deletions

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block/blk-iolatency.c

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