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SubjectRe: [PATCH -next 6/8] md/md-multipath: enable io accounting
On Mon, Jun 19, 2023 at 8:50 PM Yu Kuai <yukuai1@huaweicloud.com> wrote:
>
> From: Yu Kuai <yukuai3@huawei.com>
>
> 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@huawei.com>
> ---
> drivers/md/md-multipath.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/md/md-multipath.c b/drivers/md/md-multipath.c
> index 92c45be203d7..d22276870283 100644
> --- a/drivers/md/md-multipath.c
> +++ b/drivers/md/md-multipath.c
> @@ -107,6 +107,7 @@ static bool multipath_make_request(struct mddev *mddev, struct bio * bio)
> && md_flush_request(mddev, bio))
> return true;
>
> + md_account_bio(mddev, &bio);
> mp_bh = mempool_alloc(&conf->pool, GFP_NOIO);
>
> mp_bh->master_bio = bio;
> --
> 2.39.2
>

Reviewed-by: Xiao Ni <xni@redhat.com>

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