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;
}
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)
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;
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);
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);
/*
* xprt_set_retrans_timeout_rtt - set a request's retransmit timeout
* @task: task whose timeout is to be set
- *
+ *
* Set a request's retransmit timeout using the RTT estimator.
*/
void xprt_set_retrans_timeout_rtt(struct rpc_task *task)
if (to->to_maxval && req->rq_timeout >= to->to_maxval)
req->rq_timeout = to->to_maxval;
req->rq_retries++;
- pprintk("RPC: %lu retrans\n", jiffies);
} else {
req->rq_timeout = to->to_initval;
req->rq_retries = 0;
spin_lock_bh(&xprt->transport_lock);
rpc_init_rtt(req->rq_task->tk_client->cl_rtt, to->to_initval);
spin_unlock_bh(&xprt->transport_lock);
- pprintk("RPC: %lu timeout\n", jiffies);
status = -ETIMEDOUT;
}
return status;
}
-static void xprt_autoclose(void *args)
+static void xprt_autoclose(struct work_struct *work)
{
- struct rpc_xprt *xprt = (struct rpc_xprt *)args;
+ struct rpc_xprt *xprt =
+ container_of(work, struct rpc_xprt, task_cleanup);
xprt_disconnect(xprt);
xprt->ops->close(xprt);
*/
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);
{
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)) {
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;
}
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;
}
* @xid: RPC XID of incoming reply
*
*/
-struct rpc_rqst *xprt_lookup_rqst(struct rpc_xprt *xprt, u32 xid)
+struct rpc_rqst *xprt_lookup_rqst(struct rpc_xprt *xprt, __be32 xid)
{
struct list_head *pos;
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;
}
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) {
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) {
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)) {
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);
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);
spin_unlock(&xprt->reserve_lock);
}
-static inline u32 xprt_alloc_xid(struct rpc_xprt *xprt)
+static inline __be32 xprt_alloc_xid(struct rpc_xprt *xprt)
{
return xprt->xid++;
}
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));
}
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);
*/
void xprt_set_timeout(struct rpc_timeout *to, unsigned int retr, unsigned long incr)
{
- to->to_initval =
+ to->to_initval =
to->to_increment = incr;
to->to_maxval = to->to_initval + (incr * retr);
to->to_retries = retr;
*/
struct rpc_xprt *xprt_create_transport(int proto, struct sockaddr *ap, size_t size, struct rpc_timeout *to)
{
- int result;
struct rpc_xprt *xprt;
struct rpc_rqst *req;
- if ((xprt = kzalloc(sizeof(struct rpc_xprt), GFP_KERNEL)) == NULL) {
- dprintk("RPC: xprt_create_transport: no memory\n");
- return ERR_PTR(-ENOMEM);
- }
- if (size <= sizeof(xprt->addr)) {
- memcpy(&xprt->addr, ap, size);
- xprt->addrlen = size;
- } else {
- kfree(xprt);
- dprintk("RPC: xprt_create_transport: address too large\n");
- return ERR_PTR(-EBADF);
- }
-
switch (proto) {
case IPPROTO_UDP:
- result = xs_setup_udp(xprt, to);
+ xprt = xs_setup_udp(ap, size, to);
break;
case IPPROTO_TCP:
- result = xs_setup_tcp(xprt, to);
+ xprt = xs_setup_tcp(ap, size, to);
break;
default:
printk(KERN_ERR "RPC: unrecognized transport protocol: %d\n",
proto);
return ERR_PTR(-EIO);
}
- if (result) {
- kfree(xprt);
- dprintk("RPC: xprt_create_transport: failed, %d\n", result);
- return ERR_PTR(result);
+ if (IS_ERR(xprt)) {
+ dprintk("RPC: xprt_create_transport: failed, %ld\n",
+ -PTR_ERR(xprt));
+ return xprt;
}
kref_init(&xprt->kref);
INIT_LIST_HEAD(&xprt->free);
INIT_LIST_HEAD(&xprt->recv);
- INIT_WORK(&xprt->task_cleanup, xprt_autoclose, xprt);
+ INIT_WORK(&xprt->task_cleanup, xprt_autoclose);
init_timer(&xprt->timer);
xprt->timer.function = xprt_init_autodisconnect;
xprt->timer.data = (unsigned long) xprt;
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;
{
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);
+
+ /*
+ * Tear down transport state and free the rpc_xprt
+ */
xprt->ops->destroy(xprt);
- kfree(xprt);
}
/**
git.openpandora.org / pandora-kernel.git / blobdiff