diff mbox series

[-next,6/8] md/md-multipath: enable io accounting

Message ID	20230619204826.755559-7-yukuai1@huaweicloud.com
State	New
Headers	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; From: Yu Kuai <yukuai1@huaweicloud.com> To: xni@redhat.com, song@kernel.org Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH -next 6/8] md/md-multipath: enable io accounting Date: Tue, 20 Jun 2023 04:48:24 +0800 Message-Id: <20230619204826.755559-7-yukuai1@huaweicloud.com> In-Reply-To: <20230619204826.755559-1-yukuai1@huaweicloud.com> References: <20230619204826.755559-1-yukuai1@huaweicloud.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	md: fix and refactor io accounting and 'active_io' \| [-next,0/8] md: fix and refactor io accounting and 'active_io' [-next,1/8] md: move initialization and destruction of 'io_acct_set' to md.c [-next,2/8] md: also clone new io if io accounting is disabled [-next,3/8] raid5: fix missing io accounting in raid5_align_endio() [-next,4/8] md/raid1: switch to use md_account_bio() for io accounting [-next,5/8] md/raid10: switch to use md_account_bio() for io accounting [-next,6/8] md/md-multipath: enable io accounting [-next,7/8] md/md-linear: enable io accounting [-next,8/8] md/md-faulty: enable io accounting

Commit Message

Yu Kuai June 19, 2023, 8:48 p.m. UTC

  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(+)

Comments

Xiao Ni June 20, 2023, 9:11 a.m. UTC | #1

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>

diff mbox series

Patch

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;