Jack Wang <jinpu.wang@xxxxxxxxx> 于2022年1月26日周三 22:14写道：
>
> The backport to 5.10.92:
> commit c39d68ab3836 ("md: revert io stats accounting") is slightly
> different with upstream, remove unrelated change to be in sync
> with upstream.
Please ignore this, the backport in 5.10.92 is correct
>
> Cc: Guoqing Jiang <guoqing.jiang@xxxxxxxxx>
> Cc: Song Liu <song@xxxxxxxxxx>
> Cc: Guillaume Morin <guillaume@xxxxxxxxxxx>
> Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxx>
> ---
> drivers/md/md.c | 10 ----------
> 1 file changed, 10 deletions(-)
>
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index cc3876500c4b..887f07beed1b 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -485,21 +485,11 @@ static blk_qc_t md_submit_bio(struct bio *bio)
> return BLK_QC_T_NONE;
> }
>
> - /*
> - * save the sectors now since our bio can
> - * go away inside make_request
> - */
> - sectors = bio_sectors(bio);
> /* bio could be mergeable after passing to underlayer */
> bio->bi_opf &= ~REQ_NOMERGE;
>
> md_handle_request(mddev, bio);
>
> - part_stat_lock();
> - part_stat_inc(&mddev->gendisk->part0, ios[sgrp]);
> - part_stat_add(&mddev->gendisk->part0, sectors[sgrp], sectors);
> - part_stat_unlock();
> -
> return BLK_QC_T_NONE;
> }
>
> --
> 2.25.1
>
