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drbd: use list_move_tail instead of list_del/list_add_tail
Using list_move_tail() instead of list_del() + list_add_tail(). spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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@ -134,8 +134,7 @@ static void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req) __rel
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spin_lock_irqsave(&mdev->tconn->req_lock, flags);
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mdev->writ_cnt += peer_req->i.size >> 9;
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list_del(&peer_req->w.list); /* has been on active_ee or sync_ee */
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list_add_tail(&peer_req->w.list, &mdev->done_ee);
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list_move_tail(&peer_req->w.list, &mdev->done_ee);
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/*
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* Do not remove from the write_requests tree here: we did not send the
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