Re: [PATCH -next 7/8] md/md-linear: enable io accounting

From: Xiao Ni
Date: Tue Jun 20 2023 - 05:14:42 EST


On Mon, Jun 19, 2023 at 8:50 PM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote:
>
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
>
> use md_account_bio() to enable io accounting, also make sure
> mddev_suspend() will wait for all io to be done.
>
> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
> ---
> drivers/md/md-linear.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/md/md-linear.c b/drivers/md/md-linear.c
> index 4eb72b9dd933..71ac99646827 100644
> --- a/drivers/md/md-linear.c
> +++ b/drivers/md/md-linear.c
> @@ -238,6 +238,7 @@ static bool linear_make_request(struct mddev *mddev, struct bio *bio)
> bio = split;
> }
>
> + md_account_bio(mddev, &bio);
> bio_set_dev(bio, tmp_dev->rdev->bdev);
> bio->bi_iter.bi_sector = bio->bi_iter.bi_sector -
> start_sector + data_offset;
> --
> 2.39.2
>

Reviewed-by: Xiao Ni <xni@xxxxxxxxxx>