Re: [PATCH v1 2/6] amso1100: convert to using idr_alloc_cyclic

[Tejun Heo]

On Wed, Mar 27, 2013 at 09:18:04AM -0400, Jeff Layton wrote:
>  void c2_init_qp_table(struct c2_dev *c2dev)
>  {
>  	spin_lock_init(&c2dev->qp_table.lock);
> -	idr_init(&c2dev->qp_table.idr);
> +	idr_init_cyclic(&c2dev->qp_table.idr, 0);
>  }

Why is this necessary?  In general, why is idr_init_cyclic()
necessary?

Thanks.

-- 
tejun
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