Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <20230619204826.755559-1-yukuai1@huaweicloud.com> <20230619204826.755559-8-yukuai1@huaweicloud.com>
In-Reply-To: <20230619204826.755559-8-yukuai1@huaweicloud.com>
From:   Xiao Ni <xni@redhat.com>
Date:   Tue, 20 Jun 2023 17:12:14 +0800
Message-ID: <CALTww2-_CTY3b9L1OYz0yJUBtNJPmANmw1-RWpDhEQgKCbhewQ@mail.gmail.com>
Subject: Re: [PATCH -next 7/8] md/md-linear: enable io accounting
To:     Yu Kuai <yukuai1@huaweicloud.com>
Cc:     song@kernel.org, linux-raid@vger.kernel.org,
        linux-kernel@vger.kernel.org, yukuai3@huawei.com,
        yi.zhang@huawei.com, yangerkun@huawei.com
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

On Mon, Jun 19, 2023 at 8:50=E2=80=AFPM Yu Kuai <yukuai1@huaweicloud.com> w=
rote:
>
> 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-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 =3D split;
>         }
>
> +       md_account_bio(mddev, &bio);
>         bio_set_dev(bio, tmp_dev->rdev->bdev);
>         bio->bi_iter.bi_sector =3D bio->bi_iter.bi_sector -
>                 start_sector + data_offset;
> --
> 2.39.2
>

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