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Date: Wed, 5 Sep 2012 15:09:25 +0800 From: Wei Yongjun <weiyj.lk@...il.com> To: drbd-dev@...ts.linbit.com Cc: yongjun_wei@...ndmicro.com.cn, drbd-user@...ts.linbit.com, linux-kernel@...r.kernel.org Subject: [PATCH] drbd: use list_move_tail instead of list_del/list_add_tail From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn> 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@...ndmicro.com.cn> --- drivers/block/drbd/drbd_worker.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 6bce2cc..a196281 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -141,8 +141,7 @@ static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(lo spin_lock_irqsave(&mdev->req_lock, flags); mdev->writ_cnt += e->size >> 9; - list_del(&e->w.list); /* has been on active_ee or sync_ee */ - list_add_tail(&e->w.list, &mdev->done_ee); + list_move_tail(&e->w.list, &mdev->done_ee); /* No hlist_del_init(&e->collision) here, we did not send the Ack yet, * neither did we wake possibly waiting conflicting requests. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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