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Diffstat (limited to 'net/sunrpc/xprtsock.c')
-rw-r--r--net/sunrpc/xprtsock.c81
1 files changed, 41 insertions, 40 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index cc33c5880ab..4ae7eed7f61 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -235,6 +235,7 @@ struct sock_xprt {
* Connection of transports
*/
struct delayed_work connect_worker;
+ struct sockaddr_storage addr;
unsigned short port;
/*
@@ -653,8 +654,7 @@ static void xs_destroy(struct rpc_xprt *xprt)
dprintk("RPC: xs_destroy xprt %p\n", xprt);
- cancel_delayed_work(&transport->connect_worker);
- flush_scheduled_work();
+ cancel_rearming_delayed_work(&transport->connect_worker);
xprt_disconnect(xprt);
xs_close(xprt);
@@ -1001,7 +1001,7 @@ static void xs_tcp_state_change(struct sock *sk)
/* Try to schedule an autoclose RPC calls */
set_bit(XPRT_CLOSE_WAIT, &xprt->state);
if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
- schedule_work(&xprt->task_cleanup);
+ queue_work(rpciod_workqueue, &xprt->task_cleanup);
default:
xprt_disconnect(xprt);
}
@@ -1146,31 +1146,36 @@ static void xs_set_port(struct rpc_xprt *xprt, unsigned short port)
sap->sin_port = htons(port);
}
-static int xs_bindresvport(struct sock_xprt *transport, struct socket *sock)
+static int xs_bind(struct sock_xprt *transport, struct socket *sock)
{
struct sockaddr_in myaddr = {
.sin_family = AF_INET,
};
+ struct sockaddr_in *sa;
int err;
unsigned short port = transport->port;
+ if (!transport->xprt.resvport)
+ port = 0;
+ sa = (struct sockaddr_in *)&transport->addr;
+ myaddr.sin_addr = sa->sin_addr;
do {
myaddr.sin_port = htons(port);
err = kernel_bind(sock, (struct sockaddr *) &myaddr,
sizeof(myaddr));
+ if (!transport->xprt.resvport)
+ break;
if (err == 0) {
transport->port = port;
- dprintk("RPC: xs_bindresvport bound to port %u\n",
- port);
- return 0;
+ break;
}
if (port <= xprt_min_resvport)
port = xprt_max_resvport;
else
port--;
} while (err == -EADDRINUSE && port != transport->port);
-
- dprintk("RPC: can't bind to reserved port (%d).\n", -err);
+ dprintk("RPC: xs_bind "NIPQUAD_FMT":%u: %s (%d)\n",
+ NIPQUAD(myaddr.sin_addr), port, err ? "failed" : "ok", err);
return err;
}
@@ -1229,7 +1234,7 @@ static void xs_udp_connect_worker(struct work_struct *work)
}
xs_reclassify_socket(sock);
- if (xprt->resvport && xs_bindresvport(transport, sock) < 0) {
+ if (xs_bind(transport, sock)) {
sock_release(sock);
goto out;
}
@@ -1316,7 +1321,7 @@ static void xs_tcp_connect_worker(struct work_struct *work)
}
xs_reclassify_socket(sock);
- if (xprt->resvport && xs_bindresvport(transport, sock) < 0) {
+ if (xs_bind(transport, sock)) {
sock_release(sock);
goto out;
}
@@ -1410,18 +1415,16 @@ static void xs_connect(struct rpc_task *task)
dprintk("RPC: xs_connect delayed xprt %p for %lu "
"seconds\n",
xprt, xprt->reestablish_timeout / HZ);
- schedule_delayed_work(&transport->connect_worker,
- xprt->reestablish_timeout);
+ queue_delayed_work(rpciod_workqueue,
+ &transport->connect_worker,
+ xprt->reestablish_timeout);
xprt->reestablish_timeout <<= 1;
if (xprt->reestablish_timeout > XS_TCP_MAX_REEST_TO)
xprt->reestablish_timeout = XS_TCP_MAX_REEST_TO;
} else {
dprintk("RPC: xs_connect scheduled xprt %p\n", xprt);
- schedule_delayed_work(&transport->connect_worker, 0);
-
- /* flush_scheduled_work can sleep... */
- if (!RPC_IS_ASYNC(task))
- flush_scheduled_work();
+ queue_delayed_work(rpciod_workqueue,
+ &transport->connect_worker, 0);
}
}
@@ -1476,7 +1479,7 @@ static struct rpc_xprt_ops xs_udp_ops = {
.set_buffer_size = xs_udp_set_buffer_size,
.reserve_xprt = xprt_reserve_xprt_cong,
.release_xprt = xprt_release_xprt_cong,
- .rpcbind = rpcb_getport,
+ .rpcbind = rpcb_getport_async,
.set_port = xs_set_port,
.connect = xs_connect,
.buf_alloc = rpc_malloc,
@@ -1493,7 +1496,7 @@ static struct rpc_xprt_ops xs_udp_ops = {
static struct rpc_xprt_ops xs_tcp_ops = {
.reserve_xprt = xprt_reserve_xprt,
.release_xprt = xs_tcp_release_xprt,
- .rpcbind = rpcb_getport,
+ .rpcbind = rpcb_getport_async,
.set_port = xs_set_port,
.connect = xs_connect,
.buf_alloc = rpc_malloc,
@@ -1505,12 +1508,12 @@ static struct rpc_xprt_ops xs_tcp_ops = {
.print_stats = xs_tcp_print_stats,
};
-static struct rpc_xprt *xs_setup_xprt(struct sockaddr *addr, size_t addrlen, unsigned int slot_table_size)
+static struct rpc_xprt *xs_setup_xprt(struct rpc_xprtsock_create *args, unsigned int slot_table_size)
{
struct rpc_xprt *xprt;
struct sock_xprt *new;
- if (addrlen > sizeof(xprt->addr)) {
+ if (args->addrlen > sizeof(xprt->addr)) {
dprintk("RPC: xs_setup_xprt: address too large\n");
return ERR_PTR(-EBADF);
}
@@ -1532,8 +1535,10 @@ static struct rpc_xprt *xs_setup_xprt(struct sockaddr *addr, size_t addrlen, uns
return ERR_PTR(-ENOMEM);
}
- memcpy(&xprt->addr, addr, addrlen);
- xprt->addrlen = addrlen;
+ memcpy(&xprt->addr, args->dstaddr, args->addrlen);
+ xprt->addrlen = args->addrlen;
+ if (args->srcaddr)
+ memcpy(&new->addr, args->srcaddr, args->addrlen);
new->port = xs_get_random_port();
return xprt;
@@ -1541,22 +1546,20 @@ static struct rpc_xprt *xs_setup_xprt(struct sockaddr *addr, size_t addrlen, uns
/**
* xs_setup_udp - Set up transport to use a UDP socket
- * @addr: address of remote server
- * @addrlen: length of address in bytes
- * @to: timeout parameters
+ * @args: rpc transport creation arguments
*
*/
-struct rpc_xprt *xs_setup_udp(struct sockaddr *addr, size_t addrlen, struct rpc_timeout *to)
+struct rpc_xprt *xs_setup_udp(struct rpc_xprtsock_create *args)
{
struct rpc_xprt *xprt;
struct sock_xprt *transport;
- xprt = xs_setup_xprt(addr, addrlen, xprt_udp_slot_table_entries);
+ xprt = xs_setup_xprt(args, xprt_udp_slot_table_entries);
if (IS_ERR(xprt))
return xprt;
transport = container_of(xprt, struct sock_xprt, xprt);
- if (ntohs(((struct sockaddr_in *)addr)->sin_port) != 0)
+ if (ntohs(((struct sockaddr_in *)args->dstaddr)->sin_port) != 0)
xprt_set_bound(xprt);
xprt->prot = IPPROTO_UDP;
@@ -1572,8 +1575,8 @@ struct rpc_xprt *xs_setup_udp(struct sockaddr *addr, size_t addrlen, struct rpc_
xprt->ops = &xs_udp_ops;
- if (to)
- xprt->timeout = *to;
+ if (args->timeout)
+ xprt->timeout = *args->timeout;
else
xprt_set_timeout(&xprt->timeout, 5, 5 * HZ);
@@ -1586,22 +1589,20 @@ struct rpc_xprt *xs_setup_udp(struct sockaddr *addr, size_t addrlen, struct rpc_
/**
* xs_setup_tcp - Set up transport to use a TCP socket
- * @addr: address of remote server
- * @addrlen: length of address in bytes
- * @to: timeout parameters
+ * @args: rpc transport creation arguments
*
*/
-struct rpc_xprt *xs_setup_tcp(struct sockaddr *addr, size_t addrlen, struct rpc_timeout *to)
+struct rpc_xprt *xs_setup_tcp(struct rpc_xprtsock_create *args)
{
struct rpc_xprt *xprt;
struct sock_xprt *transport;
- xprt = xs_setup_xprt(addr, addrlen, xprt_tcp_slot_table_entries);
+ xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
if (IS_ERR(xprt))
return xprt;
transport = container_of(xprt, struct sock_xprt, xprt);
- if (ntohs(((struct sockaddr_in *)addr)->sin_port) != 0)
+ if (ntohs(((struct sockaddr_in *)args->dstaddr)->sin_port) != 0)
xprt_set_bound(xprt);
xprt->prot = IPPROTO_TCP;
@@ -1616,8 +1617,8 @@ struct rpc_xprt *xs_setup_tcp(struct sockaddr *addr, size_t addrlen, struct rpc_
xprt->ops = &xs_tcp_ops;
- if (to)
- xprt->timeout = *to;
+ if (args->timeout)
+ xprt->timeout = *args->timeout;
else
xprt_set_timeout(&xprt->timeout, 2, 60 * HZ);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 10:18:26 +0000