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(parent: 64b3607) | patch
block: Remove redundant parent blkcg_gp check in check_scale_change
authorKemeng Shi <shikemeng@huawei.com>
Tue, 18 Oct 2022 11:12:38 +0000 (19:12 +0800)
committerJens Axboe <axboe@kernel.dk>
Tue, 1 Nov 2022 15:12:24 +0000 (09:12 -0600)
commitdb5896e9cf93f119c0b181c5e6b473d8bf0302e5
treeef26c4581438227e3a886042dd6ad36732d46c81tree | snapshot
parent64b36075eb0e50af6f59047b5f698a9f2bb2b4fdcommit | diff
block: Remove redundant parent blkcg_gp check in check_scale_change

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