Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bb5cf160b282644c4491afbf76fbc66f5dc35030
Commit:     bb5cf160b282644c4491afbf76fbc66f5dc35030
Parent:     02fc6c36188be0ad19502cfd39266150ffab7603
Author:     Tom Tucker <[EMAIL PROTECTED]>
AuthorDate: Sun Dec 30 21:07:50 2007 -0600
Committer:  J. Bruce Fields <[EMAIL PROTECTED]>
CommitDate: Fri Feb 1 16:42:11 2008 -0500

    svc: Move sk_server and sk_pool to svc_xprt
    
    This is another incremental change that moves transport independent
    fields from svc_sock to the svc_xprt structure. The changes
    should be functionally null.
    
    Signed-off-by: Tom Tucker <[EMAIL PROTECTED]>
    Acked-by: Neil Brown <[EMAIL PROTECTED]>
    Reviewed-by: Chuck Lever <[EMAIL PROTECTED]>
    Reviewed-by: Greg Banks <[EMAIL PROTECTED]>
    Signed-off-by: J. Bruce Fields <[EMAIL PROTECTED]>
---
 include/linux/sunrpc/svc_xprt.h |    6 +++-
 include/linux/sunrpc/svcsock.h  |    2 -
 net/sunrpc/svc_xprt.c           |    4 ++-
 net/sunrpc/svcsock.c            |   57 ++++++++++++++++++--------------------
 4 files changed, 35 insertions(+), 34 deletions(-)

diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index 2edeb0d..4042cdf 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -48,11 +48,15 @@ struct svc_xprt {
 #define        XPT_OLD         9               /* used for xprt aging 
mark+sweep */
 #define        XPT_DETACHED    10              /* detached from tempsocks list 
*/
 #define XPT_LISTENER   11              /* listening endpoint */
+
+       struct svc_pool         *xpt_pool;      /* current pool iff queued */
+       struct svc_serv         *xpt_server;    /* service for transport */
 };
 
 int    svc_reg_xprt_class(struct svc_xprt_class *);
 void   svc_unreg_xprt_class(struct svc_xprt_class *);
-void   svc_xprt_init(struct svc_xprt_class *, struct svc_xprt *);
+void   svc_xprt_init(struct svc_xprt_class *, struct svc_xprt *,
+                     struct svc_serv *);
 int    svc_create_xprt(struct svc_serv *, char *, unsigned short, int);
 void   svc_xprt_put(struct svc_xprt *xprt);
 
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index b8a8496..92d4cc9 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -22,8 +22,6 @@ struct svc_sock {
        struct socket *         sk_sock;        /* berkeley socket layer */
        struct sock *           sk_sk;          /* INET layer */
 
-       struct svc_pool *       sk_pool;        /* current pool iff queued */
-       struct svc_serv *       sk_server;      /* service for this socket */
        atomic_t                sk_reserved;    /* space on outq that is 
reserved */
 
        spinlock_t              sk_lock;        /* protects sk_deferred and
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 31853bf..ea17b53 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -89,12 +89,14 @@ EXPORT_SYMBOL_GPL(svc_xprt_put);
  * Called by transport drivers to initialize the transport independent
  * portion of the transport instance.
  */
-void svc_xprt_init(struct svc_xprt_class *xcl, struct svc_xprt *xprt)
+void svc_xprt_init(struct svc_xprt_class *xcl, struct svc_xprt *xprt,
+                  struct svc_serv *serv)
 {
        memset(xprt, 0, sizeof(*xprt));
        xprt->xpt_class = xcl;
        xprt->xpt_ops = xcl->xcl_ops;
        kref_init(&xprt->xpt_ref);
+       xprt->xpt_server = serv;
 }
 EXPORT_SYMBOL_GPL(svc_xprt_init);
 
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 0a71252..f86538e 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -215,7 +215,7 @@ static void svc_release_skb(struct svc_rqst *rqstp)
 static void
 svc_sock_enqueue(struct svc_sock *svsk)
 {
-       struct svc_serv *serv = svsk->sk_server;
+       struct svc_serv *serv = svsk->sk_xprt.xpt_server;
        struct svc_pool *pool;
        struct svc_rqst *rqstp;
        int cpu;
@@ -227,7 +227,7 @@ svc_sock_enqueue(struct svc_sock *svsk)
                return;
 
        cpu = get_cpu();
-       pool = svc_pool_for_cpu(svsk->sk_server, cpu);
+       pool = svc_pool_for_cpu(svsk->sk_xprt.xpt_server, cpu);
        put_cpu();
 
        spin_lock_bh(&pool->sp_lock);
@@ -253,8 +253,8 @@ svc_sock_enqueue(struct svc_sock *svsk)
                dprintk("svc: socket %p busy, not enqueued\n", svsk->sk_sk);
                goto out_unlock;
        }
-       BUG_ON(svsk->sk_pool != NULL);
-       svsk->sk_pool = pool;
+       BUG_ON(svsk->sk_xprt.xpt_pool != NULL);
+       svsk->sk_xprt.xpt_pool = pool;
 
        /* Handle pending connection */
        if (test_bit(XPT_CONN, &svsk->sk_xprt.xpt_flags))
@@ -268,7 +268,7 @@ svc_sock_enqueue(struct svc_sock *svsk)
        if (!svsk->sk_xprt.xpt_ops->xpo_has_wspace(&svsk->sk_xprt)) {
                /* Don't enqueue while not enough space for reply */
                dprintk("svc: no write space, socket %p  not enqueued\n", svsk);
-               svsk->sk_pool = NULL;
+               svsk->sk_xprt.xpt_pool = NULL;
                clear_bit(XPT_BUSY, &svsk->sk_xprt.xpt_flags);
                goto out_unlock;
        }
@@ -289,12 +289,12 @@ svc_sock_enqueue(struct svc_sock *svsk)
                svc_xprt_get(&svsk->sk_xprt);
                rqstp->rq_reserved = serv->sv_max_mesg;
                atomic_add(rqstp->rq_reserved, &svsk->sk_reserved);
-               BUG_ON(svsk->sk_pool != pool);
+               BUG_ON(svsk->sk_xprt.xpt_pool != pool);
                wake_up(&rqstp->rq_wait);
        } else {
                dprintk("svc: socket %p put into queue\n", svsk->sk_sk);
                list_add_tail(&svsk->sk_ready, &pool->sp_sockets);
-               BUG_ON(svsk->sk_pool != pool);
+               BUG_ON(svsk->sk_xprt.xpt_pool != pool);
        }
 
 out_unlock:
@@ -331,7 +331,7 @@ svc_sock_dequeue(struct svc_pool *pool)
 static inline void
 svc_sock_received(struct svc_sock *svsk)
 {
-       svsk->sk_pool = NULL;
+       svsk->sk_xprt.xpt_pool = NULL;
        clear_bit(XPT_BUSY, &svsk->sk_xprt.xpt_flags);
        svc_sock_enqueue(svsk);
 }
@@ -735,7 +735,7 @@ static int
 svc_udp_recvfrom(struct svc_rqst *rqstp)
 {
        struct svc_sock *svsk = rqstp->rq_sock;
-       struct svc_serv *serv = svsk->sk_server;
+       struct svc_serv *serv = svsk->sk_xprt.xpt_server;
        struct sk_buff  *skb;
        union {
                struct cmsghdr  hdr;
@@ -873,7 +873,7 @@ static void svc_udp_prep_reply_hdr(struct svc_rqst *rqstp)
 static int svc_udp_has_wspace(struct svc_xprt *xprt)
 {
        struct svc_sock *svsk = container_of(xprt, struct svc_sock, sk_xprt);
-       struct svc_serv *serv = svsk->sk_server;
+       struct svc_serv *serv = xprt->xpt_server;
        unsigned long required;
 
        /*
@@ -920,13 +920,12 @@ static struct svc_xprt_class svc_udp_class = {
        .xcl_max_payload = RPCSVC_MAXPAYLOAD_UDP,
 };
 
-static void
-svc_udp_init(struct svc_sock *svsk)
+static void svc_udp_init(struct svc_sock *svsk, struct svc_serv *serv)
 {
        int one = 1;
        mm_segment_t oldfs;
 
-       svc_xprt_init(&svc_udp_class, &svsk->sk_xprt);
+       svc_xprt_init(&svc_udp_class, &svsk->sk_xprt, serv);
        svsk->sk_sk->sk_data_ready = svc_udp_data_ready;
        svsk->sk_sk->sk_write_space = svc_write_space;
 
@@ -935,8 +934,8 @@ svc_udp_init(struct svc_sock *svsk)
         * svc_udp_recvfrom will re-adjust if necessary
         */
        svc_sock_setbufsize(svsk->sk_sock,
-                           3 * svsk->sk_server->sv_max_mesg,
-                           3 * svsk->sk_server->sv_max_mesg);
+                           3 * svsk->sk_xprt.xpt_server->sv_max_mesg,
+                           3 * svsk->sk_xprt.xpt_server->sv_max_mesg);
 
        set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); /* might have come in 
before data_ready set up */
        set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
@@ -1041,7 +1040,7 @@ static struct svc_xprt *svc_tcp_accept(struct svc_xprt 
*xprt)
        struct svc_sock *svsk = container_of(xprt, struct svc_sock, sk_xprt);
        struct sockaddr_storage addr;
        struct sockaddr *sin = (struct sockaddr *) &addr;
-       struct svc_serv *serv = svsk->sk_server;
+       struct svc_serv *serv = svsk->sk_xprt.xpt_server;
        struct socket   *sock = svsk->sk_sock;
        struct socket   *newsock;
        struct svc_sock *newsvsk;
@@ -1122,7 +1121,7 @@ static int
 svc_tcp_recvfrom(struct svc_rqst *rqstp)
 {
        struct svc_sock *svsk = rqstp->rq_sock;
-       struct svc_serv *serv = svsk->sk_server;
+       struct svc_serv *serv = svsk->sk_xprt.xpt_server;
        int             len;
        struct kvec *vec;
        int pnum, vlen;
@@ -1265,7 +1264,7 @@ svc_tcp_recvfrom(struct svc_rqst *rqstp)
                svc_sock_received(svsk);
        } else {
                printk(KERN_NOTICE "%s: recvfrom returned errno %d\n",
-                                       svsk->sk_server->sv_name, -len);
+                      svsk->sk_xprt.xpt_server->sv_name, -len);
                goto err_delete;
        }
 
@@ -1295,7 +1294,7 @@ svc_tcp_sendto(struct svc_rqst *rqstp)
        sent = svc_sendto(rqstp, &rqstp->rq_res);
        if (sent != xbufp->len) {
                printk(KERN_NOTICE "rpc-srv/tcp: %s: %s %d when sending %d 
bytes - shutting down socket\n",
-                      rqstp->rq_sock->sk_server->sv_name,
+                      rqstp->rq_sock->sk_xprt.xpt_server->sv_name,
                       (sent<0)?"got error":"sent only",
                       sent, xbufp->len);
                set_bit(XPT_CLOSE, &rqstp->rq_sock->sk_xprt.xpt_flags);
@@ -1319,7 +1318,7 @@ static void svc_tcp_prep_reply_hdr(struct svc_rqst *rqstp)
 static int svc_tcp_has_wspace(struct svc_xprt *xprt)
 {
        struct svc_sock *svsk = container_of(xprt, struct svc_sock, sk_xprt);
-       struct svc_serv *serv = svsk->sk_server;
+       struct svc_serv *serv = svsk->sk_xprt.xpt_server;
        int required;
        int wspace;
 
@@ -1378,13 +1377,12 @@ void svc_cleanup_xprt_sock(void)
        svc_unreg_xprt_class(&svc_udp_class);
 }
 
-static void
-svc_tcp_init(struct svc_sock *svsk)
+static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv)
 {
        struct sock     *sk = svsk->sk_sk;
        struct tcp_sock *tp = tcp_sk(sk);
 
-       svc_xprt_init(&svc_tcp_class, &svsk->sk_xprt);
+       svc_xprt_init(&svc_tcp_class, &svsk->sk_xprt, serv);
 
        if (sk->sk_state == TCP_LISTEN) {
                dprintk("setting up TCP socket for listening\n");
@@ -1407,8 +1405,8 @@ svc_tcp_init(struct svc_sock *svsk)
                 * svc_tcp_recvfrom will re-adjust if necessary
                 */
                svc_sock_setbufsize(svsk->sk_sock,
-                                   3 * svsk->sk_server->sv_max_mesg,
-                                   3 * svsk->sk_server->sv_max_mesg);
+                                   3 * svsk->sk_xprt.xpt_server->sv_max_mesg,
+                                   3 * svsk->sk_xprt.xpt_server->sv_max_mesg);
 
                set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
                set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
@@ -1588,7 +1586,7 @@ svc_recv(struct svc_rqst *rqstp, long timeout)
                         * listener holds a reference too
                         */
                        __module_get(newxpt->xpt_class->xcl_owner);
-                       svc_check_conn_limits(svsk->sk_server);
+                       svc_check_conn_limits(svsk->sk_xprt.xpt_server);
                }
                svc_sock_received(svsk);
        } else {
@@ -1756,7 +1754,6 @@ static struct svc_sock *svc_setup_socket(struct svc_serv 
*serv,
        svsk->sk_ostate = inet->sk_state_change;
        svsk->sk_odata = inet->sk_data_ready;
        svsk->sk_owspace = inet->sk_write_space;
-       svsk->sk_server = serv;
        svsk->sk_lastrecv = get_seconds();
        spin_lock_init(&svsk->sk_lock);
        INIT_LIST_HEAD(&svsk->sk_deferred);
@@ -1765,9 +1762,9 @@ static struct svc_sock *svc_setup_socket(struct svc_serv 
*serv,
 
        /* Initialize the socket */
        if (sock->type == SOCK_DGRAM)
-               svc_udp_init(svsk);
+               svc_udp_init(svsk, serv);
        else
-               svc_tcp_init(svsk);
+               svc_tcp_init(svsk, serv);
 
        spin_lock_bh(&serv->sv_lock);
        if (is_temporary) {
@@ -1925,7 +1922,7 @@ svc_delete_socket(struct svc_sock *svsk)
 
        dprintk("svc: svc_delete_socket(%p)\n", svsk);
 
-       serv = svsk->sk_server;
+       serv = svsk->sk_xprt.xpt_server;
        sk = svsk->sk_sk;
 
        svsk->sk_xprt.xpt_ops->xpo_detach(&svsk->sk_xprt);
-
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