From: Guoqing Jiang Date: Mon, 2 Jul 2018 08:26:26 +0000 (+0800) Subject: md-cluster: don't send msg if array is closing X-Git-Tag: v4.19-rc1~170^2~4 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df8c676418e1eb6f7bbafc1e01983f3538584894;p=thirdparty%2Fkernel%2Flinux.git md-cluster: don't send msg if array is closing If we close an array which resync thread is running, then we don't need the node to send msg since another node would launch the resync thread to continue the rest works. Also send a message is time consuming, we should avoid it. Signed-off-by: Guoqing Jiang Reviewed-by: NeilBrown Signed-off-by: Shaohua Li --- diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index 5ed13c4fe72d5..e8a74e92be306 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -1281,7 +1281,15 @@ static int resync_finish(struct mddev *mddev) clear_bit(MD_RESYNCING_REMOTE, &mddev->recovery); dlm_unlock_sync(cinfo->resync_lockres); - return resync_info_update(mddev, 0, 0); + + /* + * If resync thread is interrupted so we can't say resync is finished, + * another node will launch resync thread to continue. + */ + if (test_bit(MD_CLOSING, &mddev->flags)) + return 0; + else + return resync_info_update(mddev, 0, 0); } static int area_resyncing(struct mddev *mddev, int direction,