From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Subject: Re: [PATCH 3/2] dm: table load must always try
	dm_setup_md_queue
Date: Wed, 09 Jun 2010 14:38:56 +0900
Message-ID: <4C0F28F0.5090604@ct.jp.nec.com>
References: <1274964469-22289-1-git-send-email-snitzer@redhat.com>
	<1274964469-22289-3-git-send-email-snitzer@redhat.com>
	<20100604201524.GC4917@redhat.com>
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To: Mike Snitzer <snitzer@redhat.com>
Cc: dm-devel@redhat.com, Alasdair Kergon <agk@redhat.com>
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Hi Mike,

On 06/05/2010 05:15 AM +0900, Mike Snitzer wrote:
> @@ -2164,7 +2164,8 @@ static int dm_init_request_based_queue(s
>  {
>  	struct request_queue *q = NULL;
>  
> -	BUG_ON(md->queue->elevator);
> +	if (unlikely(md->queue->elevator))
> +		return 1;

I think the "unlikely" should be rather "likely", since
dm_init_request_based_queue() is now called whenever request-based
table is loaded even after the actual initialization has been done.

For others,
Acked-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>

Thanks,
Kiyoshi Ueda