diff options
| -rw-r--r-- | net/sunrpc/xprtsock.c | 72 |
1 files changed, 42 insertions, 30 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index df8bdcc..1471ecc 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -909,44 +909,36 @@ static int xs_local_copy_to_xdr(struct xdr_buf *xdr, struct sk_buff *skb) } /** - * xs_local_data_ready - "data ready" callback for AF_LOCAL sockets - * @sk: socket with data to read + * xs_local_data_read_skb + * @xprt: transport + * @sk: socket + * @skb: skbuff * * Currently this assumes we can read the whole reply in a single gulp. */ -static void xs_local_data_ready(struct sock *sk) +static void xs_local_data_read_skb(struct rpc_xprt *xprt, + struct sock *sk, + struct sk_buff *skb) { struct rpc_task *task; - struct rpc_xprt *xprt; struct rpc_rqst *rovr; - struct sk_buff *skb; - int err, repsize, copied; + int repsize, copied; u32 _xid; __be32 *xp; - read_lock_bh(&sk->sk_callback_lock); - dprintk("RPC: %s...\n", __func__); - xprt = xprt_from_sock(sk); - if (xprt == NULL) - goto out; - - skb = skb_recv_datagram(sk, 0, 1, &err); - if (skb == NULL) - goto out; - repsize = skb->len - sizeof(rpc_fraghdr); if (repsize < 4) { dprintk("RPC: impossible RPC reply size %d\n", repsize); - goto dropit; + return; } /* Copy the XID from the skb... */ xp = skb_header_pointer(skb, sizeof(rpc_fraghdr), sizeof(_xid), &_xid); if (xp == NULL) - goto dropit; + return; /* Look up and lock the request corresponding to the given XID */ - spin_lock(&xprt->transport_lock); + spin_lock_bh(&xprt->transport_lock); rovr = xprt_lookup_rqst(xprt, *xp); if (!rovr) goto out_unlock; @@ -964,11 +956,35 @@ static void xs_local_data_ready(struct sock *sk) xprt_complete_rqst(task, copied); out_unlock: - spin_unlock(&xprt->transport_lock); - dropit: - skb_free_datagram(sk, skb); - out: - read_unlock_bh(&sk->sk_callback_lock); + spin_unlock_bh(&xprt->transport_lock); +} + +static void xs_local_data_receive(struct sock_xprt *transport) +{ + struct sk_buff *skb; + struct sock *sk; + int err; + + mutex_lock(&transport->recv_mutex); + sk = transport->inet; + if (sk == NULL) + goto out; + for (;;) { + skb = skb_recv_datagram(sk, 0, 1, &err); + if (skb == NULL) + break; + xs_local_data_read_skb(&transport->xprt, sk, skb); + skb_free_datagram(sk, skb); + } +out: + mutex_unlock(&transport->recv_mutex); +} + +static void xs_local_data_receive_workfn(struct work_struct *work) +{ + struct sock_xprt *transport = + container_of(work, struct sock_xprt, recv_worker); + xs_local_data_receive(transport); } /** @@ -1895,10 +1911,6 @@ static inline void xs_reclassify_socket(int family, struct socket *sock) } #endif -static void xs_dummy_data_receive_workfn(struct work_struct *work) -{ -} - static void xs_dummy_setup_socket(struct work_struct *work) { } @@ -1946,7 +1958,7 @@ static int xs_local_finish_connecting(struct rpc_xprt *xprt, xs_save_old_callbacks(transport, sk); sk->sk_user_data = xprt; - sk->sk_data_ready = xs_local_data_ready; + sk->sk_data_ready = xs_data_ready; sk->sk_write_space = xs_udp_write_space; sk->sk_error_report = xs_error_report; sk->sk_allocation = GFP_NOIO; @@ -2777,7 +2789,7 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args) xprt->ops = &xs_local_ops; xprt->timeout = &xs_local_default_timeout; - INIT_WORK(&transport->recv_worker, xs_dummy_data_receive_workfn); + INIT_WORK(&transport->recv_worker, xs_local_data_receive_workfn); INIT_DELAYED_WORK(&transport->connect_worker, xs_dummy_setup_socket); |
