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

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Message-Id: <20230619204826.755559-8-yukuai1@huaweicloud.com>
Date:   Tue, 20 Jun 2023 04:48:25 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     xni@...hat.com, song@...nel.org
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 -next 7/8] md/md-linear: 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>
---
 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