Re: [PATCH v2 4/6] nfsd: convert nfs4_alloc_stid to use idr_alloc_cyclic

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Err, and ack v2.--b.

On Wed, Mar 27, 2013 at 03:29:36PM -0400, Jeff Layton wrote:
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
> Cc: linux-nfs@xxxxxxxxxxxxxxx
> ---
>  fs/nfsd/nfs4state.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> index 2e27430..417c848 100644
> --- a/fs/nfsd/nfs4state.c
> +++ b/fs/nfsd/nfs4state.c
> @@ -234,7 +234,6 @@ static struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl, struct
>  kmem_cache *slab)
>  {
>  	struct idr *stateids = &cl->cl_stateids;
> -	static int min_stateid = 0;
>  	struct nfs4_stid *stid;
>  	int new_id;
>  
> @@ -242,7 +241,7 @@ kmem_cache *slab)
>  	if (!stid)
>  		return NULL;
>  
> -	new_id = idr_alloc(stateids, stid, min_stateid, 0, GFP_KERNEL);
> +	new_id = idr_alloc_cyclic(stateids, stid, 0, 0, GFP_KERNEL);
>  	if (new_id < 0)
>  		goto out_free;
>  	stid->sc_client = cl;
> @@ -261,10 +260,6 @@ kmem_cache *slab)
>  	 * amount of time until an id is reused, by ensuring they always
>  	 * "increase" (mod INT_MAX):
>  	 */
> -
> -	min_stateid = new_id+1;
> -	if (min_stateid == INT_MAX)
> -		min_stateid = 0;
>  	return stid;
>  out_free:
>  	kfree(stid);
> -- 
> 1.7.11.7
> 
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