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Commit 7f391546 authored by Vasily Averin's avatar Vasily Averin Committed by J. Bruce Fields
Browse files

sunrpc: remove svc_tcp_bc_class 



Remove svc_xprt_class svc_tcp_bc_class and related functions

Signed-off-by: default avatarVasily Averin <vvs@virtuozzo.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 4aa5cffe

net/sunrpc/svcsock.c

+0 −101
Original line number Diff line number Diff line
@@ -70,13 +70,6 @@ static void svc_sock_free(struct svc_xprt *); 
static struct svc_xprt *svc_create_socket(struct svc_serv *, int,

					  struct net *, struct sockaddr *,

					  int, int);

#if defined(CONFIG_SUNRPC_BACKCHANNEL)

static struct svc_xprt *svc_bc_create_socket(struct svc_serv *, int,

					     struct net *, struct sockaddr *,

					     int, int);

static void svc_bc_sock_free(struct svc_xprt *xprt);

#endif /* CONFIG_SUNRPC_BACKCHANNEL */



#ifdef CONFIG_DEBUG_LOCK_ALLOC

static struct lock_class_key svc_key[2];

static struct lock_class_key svc_slock_key[2];
@@ -1189,58 +1182,6 @@ static struct svc_xprt *svc_tcp_create(struct svc_serv *serv, 
	return svc_create_socket(serv, IPPROTO_TCP, net, sa, salen, flags);

}



#if defined(CONFIG_SUNRPC_BACKCHANNEL)

static struct svc_xprt *svc_bc_create_socket(struct svc_serv *, int,

					     struct net *, struct sockaddr *,

					     int, int);

static void svc_bc_sock_free(struct svc_xprt *xprt);



static struct svc_xprt *svc_bc_tcp_create(struct svc_serv *serv,

				       struct net *net,

				       struct sockaddr *sa, int salen,

				       int flags)

{

	return svc_bc_create_socket(serv, IPPROTO_TCP, net, sa, salen, flags);

}



static void svc_bc_tcp_sock_detach(struct svc_xprt *xprt)

{

}



static const struct svc_xprt_ops svc_tcp_bc_ops = {

	.xpo_create = svc_bc_tcp_create,

	.xpo_detach = svc_bc_tcp_sock_detach,

	.xpo_free = svc_bc_sock_free,

	.xpo_prep_reply_hdr = svc_tcp_prep_reply_hdr,

	.xpo_secure_port = svc_sock_secure_port,

};



static struct svc_xprt_class svc_tcp_bc_class = {

	.xcl_name = "tcp-bc",

	.xcl_owner = THIS_MODULE,

	.xcl_ops = &svc_tcp_bc_ops,

	.xcl_max_payload = RPCSVC_MAXPAYLOAD_TCP,

};



static void svc_init_bc_xprt_sock(void)

{

	svc_reg_xprt_class(&svc_tcp_bc_class);

}



static void svc_cleanup_bc_xprt_sock(void)

{

	svc_unreg_xprt_class(&svc_tcp_bc_class);

}

#else /* CONFIG_SUNRPC_BACKCHANNEL */

static void svc_init_bc_xprt_sock(void)

{

}



static void svc_cleanup_bc_xprt_sock(void)

{

}

#endif /* CONFIG_SUNRPC_BACKCHANNEL */



static const struct svc_xprt_ops svc_tcp_ops = {

	.xpo_create = svc_tcp_create,

	.xpo_recvfrom = svc_tcp_recvfrom,
@@ -1267,14 +1208,12 @@ void svc_init_xprt_sock(void) 
{

	svc_reg_xprt_class(&svc_tcp_class);

	svc_reg_xprt_class(&svc_udp_class);

	svc_init_bc_xprt_sock();

}



void svc_cleanup_xprt_sock(void)

{

	svc_unreg_xprt_class(&svc_tcp_class);

	svc_unreg_xprt_class(&svc_udp_class);

	svc_cleanup_bc_xprt_sock();

}



static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv)
@@ -1595,43 +1534,3 @@ static void svc_sock_free(struct svc_xprt *xprt) 
		sock_release(svsk->sk_sock);

	kfree(svsk);

}
 


#if defined(CONFIG_SUNRPC_BACKCHANNEL)

/*

 * Create a back channel svc_xprt which shares the fore channel socket.

 */

static struct svc_xprt *svc_bc_create_socket(struct svc_serv *serv,

					     int protocol,

					     struct net *net,

					     struct sockaddr *sin, int len,

					     int flags)

{

	struct svc_sock *svsk;

	struct svc_xprt *xprt;



	if (protocol != IPPROTO_TCP) {

		printk(KERN_WARNING "svc: only TCP sockets"

			" supported on shared back channel\n");

		return ERR_PTR(-EINVAL);

	}



	svsk = kzalloc(sizeof(*svsk), GFP_KERNEL);

	if (!svsk)

		return ERR_PTR(-ENOMEM);



	xprt = &svsk->sk_xprt;

	svc_xprt_init(net, &svc_tcp_bc_class, xprt, serv);

	set_bit(XPT_CONG_CTRL, &svsk->sk_xprt.xpt_flags);



	return xprt;

}



/*

 * Free a back channel svc_sock.

 */

static void svc_bc_sock_free(struct svc_xprt *xprt)

{

	if (xprt)

		kfree(container_of(xprt, struct svc_sock, sk_xprt));

}

#endif /* CONFIG_SUNRPC_BACKCHANNEL */