From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alasdair G Kergon <agk@redhat.com>
Subject: Re: [PATCH v2] dm table: do not allow queue limits
	that	will exceed hardware limits
Date: Tue, 18 Sep 2012 12:40:23 +0100
Message-ID: <20120918114022.GA17356@agk-dp.fab.redhat.com>
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To: David Jeffery <djeffery@redhat.com>
Cc: dm-devel@redhat.com, Mike Snitzer <snitzer@redhat.com>
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On Mon, Sep 17, 2012 at 03:44:29PM -0400, David Jeffery wrote:
> @@ -2425,6 +2425,15 @@ struct dm_table *dm_swap_table(struct mapped_device *md, struct dm_table *table)

> +	if (limits.max_sectors == UINT_MAX)
  
Specifically, I don't want dm.c to be peering directly into limits.

It just called calculate_queue_limits() above that.
Why is calculate_queue_limits getting the limits wrong?

Alasdair