blkcg: blk-iocost: predeclare used structs
mainline inclusion from mainline-5.4-rc1 commit 8d1c1560 category: feature bugzilla: 38688 CVE: NA --------------------------- Fixes: 7caa4715 ("blkcg: implement blk-iocost") Acked-by: NTejun Heo <tj@kernel.org> Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NJens Axboe <axboe@kernel.dk> Signed-off-by: NYu Kuai <yukuai3@huawei.com> Reviewed-by: NHou Tao <houtao1@huawei.com> Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
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