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Subject[PATCH -next 6/8] md/md-multipath: enable io accounting
Date
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
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