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svc: Move sk_sendto and sk_recvfrom to svc_xprt_class 

The sk_sendto and sk_recvfrom are function pointers that allow svc_sock
to be used for both UDP and TCP. Move these function pointers to the
svc_xprt_ops structure.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Acked-by: Neil Brown <neilb@suse.de>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Greg Banks <gnb@sgi.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Tom Tucker 2007-12-30 21:07:23 -06:00 committed by J. Bruce Fields
parent 490231558e
commit 5d137990f5
3 changed files with 8 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/sunrpc/svc_xprt.h
View File

@ -10,6 +10,8 @@
#include <linux/sunrpc/svc.h>
struct svc_xprt_ops {
int (*xpo_recvfrom)(struct svc_rqst *);
int (*xpo_sendto)(struct svc_rqst *);
};
struct svc_xprt_class {

3
include/linux/sunrpc/svcsock.h
View File

@ -45,9 +45,6 @@ struct svc_sock {
* be revisted */
struct mutex sk_mutex; /* to serialize sending data */
int (*sk_recvfrom)(struct svc_rqst *rqstp);
int (*sk_sendto)(struct svc_rqst *rqstp);
/* We keep the old state_change and data_ready CB's here */
void (*sk_ostate)(struct sock *);
void (*sk_odata)(struct sock *, int bytes);

12
net/sunrpc/svcsock.c
View File

@ -901,6 +901,8 @@ svc_udp_sendto(struct svc_rqst *rqstp)
}
static struct svc_xprt_ops svc_udp_ops = {
.xpo_recvfrom = svc_udp_recvfrom,
.xpo_sendto = svc_udp_sendto,
};
static struct svc_xprt_class svc_udp_class = {
@ -918,8 +920,6 @@ svc_udp_init(struct svc_sock *svsk)
svc_xprt_init(&svc_udp_class, &svsk->sk_xprt);
svsk->sk_sk->sk_data_ready = svc_udp_data_ready;
svsk->sk_sk->sk_write_space = svc_write_space;
svsk->sk_recvfrom = svc_udp_recvfrom;
svsk->sk_sendto = svc_udp_sendto;
/* initialise setting must have enough space to
* receive and respond to one request.
@ -1355,6 +1355,8 @@ svc_tcp_sendto(struct svc_rqst *rqstp)
}
static struct svc_xprt_ops svc_tcp_ops = {
.xpo_recvfrom = svc_tcp_recvfrom,
.xpo_sendto = svc_tcp_sendto,
};
static struct svc_xprt_class svc_tcp_class = {
@ -1382,8 +1384,6 @@ svc_tcp_init(struct svc_sock *svsk)
struct tcp_sock *tp = tcp_sk(sk);
svc_xprt_init(&svc_tcp_class, &svsk->sk_xprt);
svsk->sk_recvfrom = svc_tcp_recvfrom;
svsk->sk_sendto = svc_tcp_sendto;
if (sk->sk_state == TCP_LISTEN) {
dprintk("setting up TCP socket for listening\n");
@ -1531,7 +1531,7 @@ svc_recv(struct svc_rqst *rqstp, long timeout)
dprintk("svc: server %p, pool %u, socket %p, inuse=%d\n",
rqstp, pool->sp_id, svsk, atomic_read(&svsk->sk_inuse));
len = svsk->sk_recvfrom(rqstp);
len = svsk->sk_xprt.xpt_ops->xpo_recvfrom(rqstp);
dprintk("svc: got len=%d\n", len);
/* No data, incomplete (TCP) read, or accept() */
@ -1591,7 +1591,7 @@ svc_send(struct svc_rqst *rqstp)
if (test_bit(SK_DEAD, &svsk->sk_flags))
len = -ENOTCONN;
else
len = svsk->sk_sendto(rqstp);
len = svsk->sk_xprt.xpt_ops->xpo_sendto(rqstp);
mutex_unlock(&svsk->sk_mutex);
svc_sock_release(rqstp);