sunrpc: Tag rpc_xprt with net

The net is known from the xprt_create and this tagging will also
give un the context in the conntection workers where real sockets
are created.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index c4f9315..89d10d2 100644 (file)
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -224,6 +224,7 @@ struct rpc_xprt {
                                        bklog_u;        /* backlog queue utilization */
        } stat;
 
+       struct net              *xprt_net;
        const char              *address_strings[RPC_DISPLAY_MAX];
 };
 
@@ -281,7 +282,7 @@ void                        xprt_release_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task);
 void                   xprt_release(struct rpc_task *task);
 struct rpc_xprt *      xprt_get(struct rpc_xprt *xprt);
 void                   xprt_put(struct rpc_xprt *xprt);
-struct rpc_xprt *      xprt_alloc(int size, int max_req);
+struct rpc_xprt *      xprt_alloc(struct net *net, int size, int max_req);
 void                   xprt_free(struct rpc_xprt *);
 
 static inline __be32 *xprt_skip_transport_header(struct rpc_xprt *xprt, __be32 *p)

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 0637340..953206d 100644 (file)
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -962,7 +962,7 @@ static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
        spin_unlock(&xprt->reserve_lock);
 }
 
-struct rpc_xprt *xprt_alloc(int size, int max_req)
+struct rpc_xprt *xprt_alloc(struct net *net, int size, int max_req)
 {
        struct rpc_xprt *xprt;
 
@@ -975,6 +975,7 @@ struct rpc_xprt *xprt_alloc(int size, int max_req)
        if (xprt->slot == NULL)
                goto out_free;
 
+       xprt->xprt_net = get_net(net);
        return xprt;
 
 out_free:
@@ -986,6 +987,7 @@ EXPORT_SYMBOL_GPL(xprt_alloc);
 
 void xprt_free(struct rpc_xprt *xprt)
 {
+       put_net(xprt->xprt_net);
        kfree(xprt->slot);
        kfree(xprt);
 }

diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 0f7a1b9..2da32b4 100644 (file)
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -283,7 +283,7 @@ xprt_setup_rdma(struct xprt_create *args)
                return ERR_PTR(-EBADF);
        }
 
-       xprt = xprt_alloc(sizeof(struct rpcrdma_xprt),
+       xprt = xprt_alloc(args->net, sizeof(struct rpcrdma_xprt),
                        xprt_rdma_slot_table_entries);
        if (xprt == NULL) {
                dprintk("RPC:       %s: couldn't allocate rpcrdma_xprt\n",

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index b1e36ec..4ef3a6a 100644 (file)
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2272,7 +2272,7 @@ static struct rpc_xprt *xs_setup_xprt(struct xprt_create *args,
                return ERR_PTR(-EBADF);
        }
 
-       xprt = xprt_alloc(sizeof(*new), slot_table_size);
+       xprt = xprt_alloc(args->net, sizeof(*new), slot_table_size);
        if (xprt == NULL) {
                dprintk("RPC:       xs_setup_xprt: couldn't allocate "
                                "rpc_xprt\n");