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yaml
---
r: 69197
b: refs/heads/master
c: 68e220b
h: refs/heads/master
i:
  69195: 7a49a39
v: v3
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Chuck Lever authored and Trond Myklebust committed Oct 9, 2007
1 parent 8f83d8e commit e5c5b6d
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Showing 2 changed files with 102 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 9c3d72de28eed3e882becd7054da2118f8a73131
refs/heads/master: 68e220bd5c9fc52d8029275cd42e08f573ce3600
101 changes: 101 additions & 0 deletions trunk/net/sunrpc/xprtsock.c
Original file line number Diff line number Diff line change
Expand Up @@ -1393,6 +1393,47 @@ static void xs_udp_connect_worker4(struct work_struct *work)
xprt_clear_connecting(xprt);
}

/**
* xs_udp_connect_worker6 - set up a UDP socket
* @work: RPC transport to connect
*
* Invoked by a work queue tasklet.
*/
static void xs_udp_connect_worker6(struct work_struct *work)
{
struct sock_xprt *transport =
container_of(work, struct sock_xprt, connect_worker.work);
struct rpc_xprt *xprt = &transport->xprt;
struct socket *sock = transport->sock;
int err, status = -EIO;

if (xprt->shutdown || !xprt_bound(xprt))
goto out;

/* Start by resetting any existing state */
xs_close(xprt);

if ((err = sock_create_kern(PF_INET6, SOCK_DGRAM, IPPROTO_UDP, &sock)) < 0) {
dprintk("RPC: can't create UDP transport socket (%d).\n", -err);
goto out;
}
xs_reclassify_socket(sock);

if (xs_bind6(transport, sock) < 0) {
sock_release(sock);
goto out;
}

dprintk("RPC: worker connecting xprt %p to address: %s\n",
xprt, xprt->address_strings[RPC_DISPLAY_ALL]);

xs_udp_finish_connecting(xprt, sock);
status = 0;
out:
xprt_wake_pending_tasks(xprt, status);
xprt_clear_connecting(xprt);
}

/*
* We need to preserve the port number so the reply cache on the server can
* find our cached RPC replies when we get around to reconnecting.
Expand Down Expand Up @@ -1518,6 +1559,66 @@ static void xs_tcp_connect_worker4(struct work_struct *work)
xprt_clear_connecting(xprt);
}

/**
* xs_tcp_connect_worker6 - connect a TCP socket to a remote endpoint
* @work: RPC transport to connect
*
* Invoked by a work queue tasklet.
*/
static void xs_tcp_connect_worker6(struct work_struct *work)
{
struct sock_xprt *transport =
container_of(work, struct sock_xprt, connect_worker.work);
struct rpc_xprt *xprt = &transport->xprt;
struct socket *sock = transport->sock;
int err, status = -EIO;

if (xprt->shutdown || !xprt_bound(xprt))
goto out;

if (!sock) {
/* start from scratch */
if ((err = sock_create_kern(PF_INET6, SOCK_STREAM, IPPROTO_TCP, &sock)) < 0) {
dprintk("RPC: can't create TCP transport socket (%d).\n", -err);
goto out;
}
xs_reclassify_socket(sock);

if (xs_bind6(transport, sock) < 0) {
sock_release(sock);
goto out;
}
} else
/* "close" the socket, preserving the local port */
xs_tcp_reuse_connection(xprt);

dprintk("RPC: worker connecting xprt %p to address: %s\n",
xprt, xprt->address_strings[RPC_DISPLAY_ALL]);

status = xs_tcp_finish_connecting(xprt, sock);
dprintk("RPC: %p connect status %d connected %d sock state %d\n",
xprt, -status, xprt_connected(xprt), sock->sk->sk_state);
if (status < 0) {
switch (status) {
case -EINPROGRESS:
case -EALREADY:
goto out_clear;
case -ECONNREFUSED:
case -ECONNRESET:
/* retry with existing socket, after a delay */
break;
default:
/* get rid of existing socket, and retry */
xs_close(xprt);
break;
}
}
out:
xprt_wake_pending_tasks(xprt, status);
out_clear:
xprt_clear_connecting(xprt);
}

/**
* xs_connect - connect a socket to a remote endpoint
* @task: address of RPC task that manages state of connect request
Expand Down

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