[RFC] SUNPRC: remove marking service temporary sockets with XPT_CHNGBUF

This is a cleanup patch.
Service temporary sockets can be TCP or RDMA only. But XPT_CHNGBUF service
socket flag is checked only for UDP sockets on receive.
Thus (if I don't miss something non-obvious) this bit raising for temporary
sockets can be removed.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>

---
 net/sunrpc/svcsock.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)


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On Fri, 2012-01-20 at 16:55 +0400, Stanislav Kinsbursky wrote: 
> This is a cleanup patch.
> Service temporary sockets can be TCP or RDMA only. But XPT_CHNGBUF service
> socket flag is checked only for UDP sockets on receive.
> Thus (if I don't miss something non-obvious) this bit raising for temporary
> sockets can be removed.
> 
> Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
> 
> ---
>  net/sunrpc/svcsock.c |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
> 
> diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
> index e8af0c9..2867249 100644
> --- a/net/sunrpc/svcsock.c
> +++ b/net/sunrpc/svcsock.c
> @@ -1381,8 +1381,6 @@ void svc_sock_update_bufs(struct svc_serv *serv)
>  	spin_lock_bh(&serv->sv_lock);
>  	list_for_each_entry(svsk, &serv->sv_permsocks, sk_xprt.xpt_list)
>  		set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
> -	list_for_each_entry(svsk, &serv->sv_tempsocks, sk_xprt.xpt_list)
> -		set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
>  	spin_unlock_bh(&serv->sv_lock);
>  }
>  EXPORT_SYMBOL_GPL(svc_sock_update_bufs);

I'm assuming that Bruce will prefer to carry this, since it is
completely orthogonal to the net namespace patchsets.

On Fri, Jan 20, 2012 at 04:55:39PM +0400, Stanislav Kinsbursky wrote:
> This is a cleanup patch.
> Service temporary sockets can be TCP or RDMA only. But XPT_CHNGBUF service
> socket flag is checked only for UDP sockets on receive.
> Thus (if I don't miss something non-obvious) this bit raising for temporary
> sockets can be removed.

Yes, I believe that's correct, it's leftover cleanup from
9660439861aa8dbd5e2b8087f33e20760c2c9afc "svcrpc: take advantage of tcp
autotuning".

I'll ignore the "RFC" marking and apply unless you tell me otherwise....

--b.

> 
> Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
> 
> ---
>  net/sunrpc/svcsock.c |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
> 
> diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
> index e8af0c9..2867249 100644
> --- a/net/sunrpc/svcsock.c
> +++ b/net/sunrpc/svcsock.c
> @@ -1381,8 +1381,6 @@ void svc_sock_update_bufs(struct svc_serv *serv)
>  	spin_lock_bh(&serv->sv_lock);
>  	list_for_each_entry(svsk, &serv->sv_permsocks, sk_xprt.xpt_list)
>  		set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
> -	list_for_each_entry(svsk, &serv->sv_tempsocks, sk_xprt.xpt_list)
> -		set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
>  	spin_unlock_bh(&serv->sv_lock);
>  }
>  EXPORT_SYMBOL_GPL(svc_sock_update_bufs);
> 
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