Commit bdf2b521 authored by Yu Kuai's avatar Yu Kuai Committed by Song Liu
Browse files

md/md-multipath: enable io accounting 



use md_account_bio() to enable io accounting, also make sure
mddev_suspend() will wait for all io to be done.

Signed-off-by: default avatarYu Kuai <yukuai3@huawei.com>
Reviewed-by: default avatarXiao Ni <xni@redhat.com>
Signed-off-by: default avatarSong Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230621165110.1498313-7-yukuai1@huaweicloud.com
parent 82045523

drivers/md/md-multipath.c

+1 −0
Original line number Diff line number Diff line
@@ -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;