SUNRPC: Clean up - rename xs_tcp_data_receive() to xs_stream_data_receive()
authorTrond Myklebust <trond.myklebust@hammerspace.com>
Fri, 14 Sep 2018 18:26:28 +0000 (14:26 -0400)
committerTrond Myklebust <trond.myklebust@hammerspace.com>
Sun, 30 Sep 2018 19:35:16 +0000 (15:35 -0400)
In preparation for sharing with AF_LOCAL.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
include/trace/events/sunrpc.h
net/sunrpc/xprtsock.c

index 19e08d12696c976333cf0b9c5f69fc623cbb9814..28e384186c3508f452113e04460843967eb37049 100644 (file)
@@ -470,14 +470,14 @@ TRACE_EVENT(xprt_ping,
                        __get_str(addr), __get_str(port), __entry->status)
 );
 
-TRACE_EVENT(xs_tcp_data_ready,
-       TP_PROTO(struct rpc_xprt *xprt, int err, unsigned int total),
+TRACE_EVENT(xs_stream_read_data,
+       TP_PROTO(struct rpc_xprt *xprt, ssize_t err, size_t total),
 
        TP_ARGS(xprt, err, total),
 
        TP_STRUCT__entry(
-               __field(int, err)
-               __field(unsigned int, total)
+               __field(ssize_t, err)
+               __field(size_t, total)
                __string(addr, xprt ? xprt->address_strings[RPC_DISPLAY_ADDR] :
                                "(null)")
                __string(port, xprt ? xprt->address_strings[RPC_DISPLAY_PORT] :
@@ -493,11 +493,11 @@ TRACE_EVENT(xs_tcp_data_ready,
                        xprt->address_strings[RPC_DISPLAY_PORT] : "(null)");
        ),
 
-       TP_printk("peer=[%s]:%s err=%d total=%u", __get_str(addr),
+       TP_printk("peer=[%s]:%s err=%zd total=%zu", __get_str(addr),
                        __get_str(port), __entry->err, __entry->total)
 );
 
-TRACE_EVENT(xs_tcp_data_recv,
+TRACE_EVENT(xs_stream_read_request,
        TP_PROTO(struct sock_xprt *xs),
 
        TP_ARGS(xs),
@@ -508,7 +508,7 @@ TRACE_EVENT(xs_tcp_data_recv,
                __field(u32, xid)
                __field(unsigned long, copied)
                __field(unsigned int, reclen)
-               __field(unsigned long, offset)
+               __field(unsigned int, offset)
        ),
 
        TP_fast_assign(
@@ -520,7 +520,7 @@ TRACE_EVENT(xs_tcp_data_recv,
                __entry->offset = xs->recv.offset;
        ),
 
-       TP_printk("peer=[%s]:%s xid=0x%08x copied=%lu reclen=%u offset=%lu",
+       TP_printk("peer=[%s]:%s xid=0x%08x copied=%lu reclen=%u offset=%u",
                        __get_str(addr), __get_str(port), __entry->xid,
                        __entry->copied, __entry->reclen, __entry->offset)
 );
index 06aa750087086a21b23c3c892e8bcca0bda2af7e..55df1fadab27741ba4ff332c318f0bd69b2de0e6 100644 (file)
@@ -626,7 +626,7 @@ xs_read_stream(struct sock_xprt *transport, int flags)
                        return -EAGAIN;
        }
        if (xs_read_stream_request_done(transport)) {
-               trace_xs_tcp_data_recv(transport);
+               trace_xs_stream_read_request(transport);
                transport->recv.copied = 0;
        }
        transport->recv.offset = 0;
@@ -642,6 +642,34 @@ out_err:
        return ret;
 }
 
+static void xs_stream_data_receive(struct sock_xprt *transport)
+{
+       size_t read = 0;
+       ssize_t ret = 0;
+
+       mutex_lock(&transport->recv_mutex);
+       if (transport->sock == NULL)
+               goto out;
+       clear_bit(XPRT_SOCK_DATA_READY, &transport->sock_state);
+       for (;;) {
+               ret = xs_read_stream(transport, MSG_DONTWAIT);
+               if (ret <= 0)
+                       break;
+               read += ret;
+               cond_resched();
+       }
+out:
+       mutex_unlock(&transport->recv_mutex);
+       trace_xs_stream_read_data(&transport->xprt, ret, read);
+}
+
+static void xs_stream_data_receive_workfn(struct work_struct *work)
+{
+       struct sock_xprt *transport =
+               container_of(work, struct sock_xprt, recv_worker);
+       xs_stream_data_receive(transport);
+}
+
 #define XS_SENDMSG_FLAGS       (MSG_DONTWAIT | MSG_NOSIGNAL)
 
 static int xs_send_kvec(struct socket *sock, struct sockaddr *addr, int addrlen, struct kvec *vec, unsigned int base, int more)
@@ -1498,45 +1526,6 @@ static size_t xs_tcp_bc_maxpayload(struct rpc_xprt *xprt)
 }
 #endif /* CONFIG_SUNRPC_BACKCHANNEL */
 
-static void xs_tcp_data_receive(struct sock_xprt *transport)
-{
-       struct rpc_xprt *xprt = &transport->xprt;
-       struct sock *sk;
-       size_t read = 0;
-       ssize_t ret = 0;
-
-restart:
-       mutex_lock(&transport->recv_mutex);
-       sk = transport->inet;
-       if (sk == NULL)
-               goto out;
-
-       for (;;) {
-               clear_bit(XPRT_SOCK_DATA_READY, &transport->sock_state);
-               ret = xs_read_stream(transport, MSG_DONTWAIT | MSG_NOSIGNAL);
-               if (ret < 0)
-                       break;
-               read += ret;
-               if (need_resched()) {
-                       mutex_unlock(&transport->recv_mutex);
-                       cond_resched();
-                       goto restart;
-               }
-       }
-       if (test_bit(XPRT_SOCK_DATA_READY, &transport->sock_state))
-               queue_work(xprtiod_workqueue, &transport->recv_worker);
-out:
-       mutex_unlock(&transport->recv_mutex);
-       trace_xs_tcp_data_ready(xprt, ret, read);
-}
-
-static void xs_tcp_data_receive_workfn(struct work_struct *work)
-{
-       struct sock_xprt *transport =
-               container_of(work, struct sock_xprt, recv_worker);
-       xs_tcp_data_receive(transport);
-}
-
 /**
  * xs_tcp_state_change - callback to handle TCP socket state changes
  * @sk: socket whose state has changed
@@ -3066,7 +3055,7 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args)
        xprt->connect_timeout = xprt->timeout->to_initval *
                (xprt->timeout->to_retries + 1);
 
-       INIT_WORK(&transport->recv_worker, xs_tcp_data_receive_workfn);
+       INIT_WORK(&transport->recv_worker, xs_stream_data_receive_workfn);
        INIT_DELAYED_WORK(&transport->connect_worker, xs_tcp_setup_socket);
 
        switch (addr->sa_family) {