netdev - Re: [PATCH] RDS: use rb

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Date:   Tue, 20 Dec 2016 16:20:33 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Geliang Tang <geliangtang@...il.com>
Cc:     Santosh Shilimkar <santosh.shilimkar@...cle.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, rds-devel@....oracle.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] RDS: use rb_entry()

On Tue, Dec 20, 2016 at 10:02:18PM +0800, Geliang Tang wrote:
> To make the code clearer, use rb_entry() instead of container_of() to
> deal with rbtree.
>
> Signed-off-by: Geliang Tang <geliangtang@...il.com>
> ---
>  net/rds/rdma.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Thanks,
Reviewed-by: Leon Romanovsky <leonro@...lanox.com>

>
> diff --git a/net/rds/rdma.c b/net/rds/rdma.c
> index 4c93bad..ea96114 100644
> --- a/net/rds/rdma.c
> +++ b/net/rds/rdma.c
> @@ -135,7 +135,7 @@ void rds_rdma_drop_keys(struct rds_sock *rs)
>  	/* Release any MRs associated with this socket */
>  	spin_lock_irqsave(&rs->rs_rdma_lock, flags);
>  	while ((node = rb_first(&rs->rs_rdma_keys))) {
> -		mr = container_of(node, struct rds_mr, r_rb_node);
> +		mr = rb_entry(node, struct rds_mr, r_rb_node);
>  		if (mr->r_trans == rs->rs_transport)
>  			mr->r_invalidate = 0;
>  		rb_erase(&mr->r_rb_node, &rs->rs_rdma_keys);
> --
> 2.9.3
>

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