aboutsummaryrefslogtreecommitdiff
path: root/net/sunrpc/xprt.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sunrpc/xprt.c')
-rw-r--r--net/sunrpc/xprt.c67
1 files changed, 41 insertions, 26 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index e7c71a1ea3d..ee6ffa01dfb 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -108,7 +108,7 @@ int xprt_reserve_xprt(struct rpc_task *task)
return 1;
out_sleep:
- dprintk("RPC: %4d failed to lock transport %p\n",
+ dprintk("RPC: %5u failed to lock transport %p\n",
task->tk_pid, xprt);
task->tk_timeout = 0;
task->tk_status = -EAGAIN;
@@ -158,7 +158,7 @@ int xprt_reserve_xprt_cong(struct rpc_task *task)
}
xprt_clear_locked(xprt);
out_sleep:
- dprintk("RPC: %4d failed to lock transport %p\n", task->tk_pid, xprt);
+ dprintk("RPC: %5u failed to lock transport %p\n", task->tk_pid, xprt);
task->tk_timeout = 0;
task->tk_status = -EAGAIN;
if (req && req->rq_ntrans)
@@ -281,7 +281,7 @@ __xprt_get_cong(struct rpc_xprt *xprt, struct rpc_task *task)
if (req->rq_cong)
return 1;
- dprintk("RPC: %4d xprt_cwnd_limited cong = %ld cwnd = %ld\n",
+ dprintk("RPC: %5u xprt_cwnd_limited cong = %lu cwnd = %lu\n",
task->tk_pid, xprt->cong, xprt->cwnd);
if (RPCXPRT_CONGESTED(xprt))
return 0;
@@ -340,7 +340,7 @@ void xprt_adjust_cwnd(struct rpc_task *task, int result)
if (cwnd < RPC_CWNDSCALE)
cwnd = RPC_CWNDSCALE;
}
- dprintk("RPC: cong %ld, cwnd was %ld, now %ld\n",
+ dprintk("RPC: cong %ld, cwnd was %ld, now %ld\n",
xprt->cong, xprt->cwnd, cwnd);
xprt->cwnd = cwnd;
__xprt_put_cong(xprt, req);
@@ -387,8 +387,8 @@ void xprt_write_space(struct rpc_xprt *xprt)
spin_lock_bh(&xprt->transport_lock);
if (xprt->snd_task) {
- dprintk("RPC: write space: waking waiting task on xprt %p\n",
- xprt);
+ dprintk("RPC: write space: waking waiting task on "
+ "xprt %p\n", xprt);
rpc_wake_up_task(xprt->snd_task);
}
spin_unlock_bh(&xprt->transport_lock);
@@ -494,7 +494,7 @@ static void xprt_autoclose(struct work_struct *work)
*/
void xprt_disconnect(struct rpc_xprt *xprt)
{
- dprintk("RPC: disconnected transport %p\n", xprt);
+ dprintk("RPC: disconnected transport %p\n", xprt);
spin_lock_bh(&xprt->transport_lock);
xprt_clear_connected(xprt);
xprt_wake_pending_tasks(xprt, -ENOTCONN);
@@ -530,7 +530,7 @@ void xprt_connect(struct rpc_task *task)
{
struct rpc_xprt *xprt = task->tk_xprt;
- dprintk("RPC: %4d xprt_connect xprt %p %s connected\n", task->tk_pid,
+ dprintk("RPC: %5u xprt_connect xprt %p %s connected\n", task->tk_pid,
xprt, (xprt_connected(xprt) ? "is" : "is not"));
if (!xprt_bound(xprt)) {
@@ -560,7 +560,7 @@ static void xprt_connect_status(struct rpc_task *task)
if (task->tk_status >= 0) {
xprt->stat.connect_count++;
xprt->stat.connect_time += (long)jiffies - xprt->stat.connect_start;
- dprintk("RPC: %4d xprt_connect_status: connection established\n",
+ dprintk("RPC: %5u xprt_connect_status: connection established\n",
task->tk_pid);
return;
}
@@ -568,20 +568,22 @@ static void xprt_connect_status(struct rpc_task *task)
switch (task->tk_status) {
case -ECONNREFUSED:
case -ECONNRESET:
- dprintk("RPC: %4d xprt_connect_status: server %s refused connection\n",
- task->tk_pid, task->tk_client->cl_server);
+ dprintk("RPC: %5u xprt_connect_status: server %s refused "
+ "connection\n", task->tk_pid,
+ task->tk_client->cl_server);
break;
case -ENOTCONN:
- dprintk("RPC: %4d xprt_connect_status: connection broken\n",
+ dprintk("RPC: %5u xprt_connect_status: connection broken\n",
task->tk_pid);
break;
case -ETIMEDOUT:
- dprintk("RPC: %4d xprt_connect_status: connect attempt timed out\n",
- task->tk_pid);
+ dprintk("RPC: %5u xprt_connect_status: connect attempt timed "
+ "out\n", task->tk_pid);
break;
default:
- dprintk("RPC: %4d xprt_connect_status: error %d connecting to server %s\n",
- task->tk_pid, -task->tk_status, task->tk_client->cl_server);
+ dprintk("RPC: %5u xprt_connect_status: error %d connecting to "
+ "server %s\n", task->tk_pid, -task->tk_status,
+ task->tk_client->cl_server);
xprt_release_write(xprt, task);
task->tk_status = -EIO;
}
@@ -602,6 +604,9 @@ struct rpc_rqst *xprt_lookup_rqst(struct rpc_xprt *xprt, __be32 xid)
if (entry->rq_xid == xid)
return entry;
}
+
+ dprintk("RPC: xprt_lookup_rqst did not find xid %08x\n",
+ ntohl(xid));
xprt->stat.bad_xids++;
return NULL;
}
@@ -654,7 +659,7 @@ static void xprt_timer(struct rpc_task *task)
struct rpc_rqst *req = task->tk_rqstp;
struct rpc_xprt *xprt = req->rq_xprt;
- dprintk("RPC: %4d xprt_timer\n", task->tk_pid);
+ dprintk("RPC: %5u xprt_timer\n", task->tk_pid);
spin_lock(&xprt->transport_lock);
if (!req->rq_received) {
@@ -678,7 +683,7 @@ int xprt_prepare_transmit(struct rpc_task *task)
struct rpc_xprt *xprt = req->rq_xprt;
int err = 0;
- dprintk("RPC: %4d xprt_prepare_transmit\n", task->tk_pid);
+ dprintk("RPC: %5u xprt_prepare_transmit\n", task->tk_pid);
spin_lock_bh(&xprt->transport_lock);
if (req->rq_received && !req->rq_bytes_sent) {
@@ -716,7 +721,7 @@ void xprt_transmit(struct rpc_task *task)
struct rpc_xprt *xprt = req->rq_xprt;
int status;
- dprintk("RPC: %4d xprt_transmit(%u)\n", task->tk_pid, req->rq_slen);
+ dprintk("RPC: %5u xprt_transmit(%u)\n", task->tk_pid, req->rq_slen);
if (!req->rq_received) {
if (list_empty(&req->rq_list)) {
@@ -730,13 +735,23 @@ void xprt_transmit(struct rpc_task *task)
xprt_reset_majortimeo(req);
/* Turn off autodisconnect */
del_singleshot_timer_sync(&xprt->timer);
+ } else {
+ /* If all request bytes have been sent,
+ * then we must be retransmitting this one */
+ if (!req->rq_bytes_sent) {
+ if (task->tk_client->cl_discrtry) {
+ xprt_disconnect(xprt);
+ task->tk_status = -ENOTCONN;
+ return;
+ }
+ }
}
} else if (!req->rq_bytes_sent)
return;
status = xprt->ops->send_request(task);
if (status == 0) {
- dprintk("RPC: %4d xmit complete\n", task->tk_pid);
+ dprintk("RPC: %5u xmit complete\n", task->tk_pid);
spin_lock_bh(&xprt->transport_lock);
xprt->ops->set_retrans_timeout(task);
@@ -777,7 +792,7 @@ static inline void do_xprt_reserve(struct rpc_task *task)
xprt_request_init(task, xprt);
return;
}
- dprintk("RPC: waiting for request slot\n");
+ dprintk("RPC: waiting for request slot\n");
task->tk_status = -EAGAIN;
task->tk_timeout = 0;
rpc_sleep_on(&xprt->backlog, task, NULL, NULL);
@@ -822,7 +837,7 @@ static void xprt_request_init(struct rpc_task *task, struct rpc_xprt *xprt)
req->rq_xid = xprt_alloc_xid(xprt);
req->rq_release_snd_buf = NULL;
xprt_reset_majortimeo(req);
- dprintk("RPC: %4d reserved req %p xid %08x\n", task->tk_pid,
+ dprintk("RPC: %5u reserved req %p xid %08x\n", task->tk_pid,
req, ntohl(req->rq_xid));
}
@@ -856,7 +871,7 @@ void xprt_release(struct rpc_task *task)
req->rq_release_snd_buf(req);
memset(req, 0, sizeof(*req)); /* mark unused */
- dprintk("RPC: %4d release request %p\n", task->tk_pid, req);
+ dprintk("RPC: %5u release request %p\n", task->tk_pid, req);
spin_lock(&xprt->reserve_lock);
list_add(&req->rq_list, &xprt->free);
@@ -906,7 +921,7 @@ struct rpc_xprt *xprt_create_transport(int proto, struct sockaddr *ap, size_t si
return ERR_PTR(-EIO);
}
if (IS_ERR(xprt)) {
- dprintk("RPC: xprt_create_transport: failed, %ld\n",
+ dprintk("RPC: xprt_create_transport: failed, %ld\n",
-PTR_ERR(xprt));
return xprt;
}
@@ -936,7 +951,7 @@ struct rpc_xprt *xprt_create_transport(int proto, struct sockaddr *ap, size_t si
xprt_init_xid(xprt);
- dprintk("RPC: created transport %p with %u slots\n", xprt,
+ dprintk("RPC: created transport %p with %u slots\n", xprt,
xprt->max_reqs);
return xprt;
@@ -951,7 +966,7 @@ static void xprt_destroy(struct kref *kref)
{
struct rpc_xprt *xprt = container_of(kref, struct rpc_xprt, kref);
- dprintk("RPC: destroying transport %p\n", xprt);
+ dprintk("RPC: destroying transport %p\n", xprt);
xprt->shutdown = 1;
del_timer_sync(&xprt->timer);