linux-kernel - [PATCH v2 8/8] md/md-faulty: enable io accounting

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Message-Id: <20230621165110.1498313-9-yukuai1@huaweicloud.com>
Date:   Thu, 22 Jun 2023 00:51:10 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     song@...nel.org, xni@...hat.com, pmenzel@...gen.mpg.de
Cc:     linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
        yukuai3@...wei.com, yukuai1@...weicloud.com, yi.zhang@...wei.com,
        yangerkun@...wei.com
Subject: [PATCH v2 8/8] md/md-faulty: enable io accounting

From: Yu Kuai <yukuai3@...wei.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@...wei.com>
Reviewed-by: Xiao Ni <xni@...hat.com>
---
 drivers/md/md-faulty.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/md/md-faulty.c b/drivers/md/md-faulty.c
index 50ad818978a4..a039e8e20f55 100644
--- a/drivers/md/md-faulty.c
+++ b/drivers/md/md-faulty.c
@@ -204,6 +204,8 @@ static bool faulty_make_request(struct mddev *mddev, struct bio *bio)
 			failit = 1;
 		}
 	}
+
+	md_account_bio(mddev, &bio);
 	if (failit) {
 		struct bio *b = bio_alloc_clone(conf->rdev->bdev, bio, GFP_NOIO,
 						&mddev->bio_set);
-- 
2.39.2