From: Yu Kuai <yukuai3@xxxxxxxxxx> 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@xxxxxxxxxx> --- 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