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Diffstat (limited to 'net/sunrpc/xprt.c')
-rw-r--r--net/sunrpc/xprt.c59
1 files changed, 31 insertions, 28 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index cd641c8634f0..cfcade906a56 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -501,9 +501,10 @@ EXPORT_SYMBOL_GPL(xprt_set_retrans_timeout_def);
void xprt_set_retrans_timeout_rtt(struct rpc_task *task)
{
int timer = task->tk_msg.rpc_proc->p_timer;
- struct rpc_rtt *rtt = task->tk_client->cl_rtt;
+ struct rpc_clnt *clnt = task->tk_client;
+ struct rpc_rtt *rtt = clnt->cl_rtt;
struct rpc_rqst *req = task->tk_rqstp;
- unsigned long max_timeout = req->rq_xprt->timeout.to_maxval;
+ unsigned long max_timeout = clnt->cl_timeout->to_maxval;
task->tk_timeout = rpc_calc_rto(rtt, timer);
task->tk_timeout <<= rpc_ntimeo(rtt, timer) + req->rq_retries;
@@ -514,7 +515,7 @@ EXPORT_SYMBOL_GPL(xprt_set_retrans_timeout_rtt);
static void xprt_reset_majortimeo(struct rpc_rqst *req)
{
- struct rpc_timeout *to = &req->rq_xprt->timeout;
+ const struct rpc_timeout *to = req->rq_task->tk_client->cl_timeout;
req->rq_majortimeo = req->rq_timeout;
if (to->to_exponential)
@@ -534,7 +535,7 @@ static void xprt_reset_majortimeo(struct rpc_rqst *req)
int xprt_adjust_timeout(struct rpc_rqst *req)
{
struct rpc_xprt *xprt = req->rq_xprt;
- struct rpc_timeout *to = &xprt->timeout;
+ const struct rpc_timeout *to = req->rq_task->tk_client->cl_timeout;
int status = 0;
if (time_before(jiffies, req->rq_majortimeo)) {
@@ -568,17 +569,17 @@ static void xprt_autoclose(struct work_struct *work)
struct rpc_xprt *xprt =
container_of(work, struct rpc_xprt, task_cleanup);
- xprt_disconnect(xprt);
xprt->ops->close(xprt);
+ clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
xprt_release_write(xprt, NULL);
}
/**
- * xprt_disconnect - mark a transport as disconnected
+ * xprt_disconnect_done - mark a transport as disconnected
* @xprt: transport to flag for disconnect
*
*/
-void xprt_disconnect(struct rpc_xprt *xprt)
+void xprt_disconnect_done(struct rpc_xprt *xprt)
{
dprintk("RPC: disconnected transport %p\n", xprt);
spin_lock_bh(&xprt->transport_lock);
@@ -586,7 +587,26 @@ void xprt_disconnect(struct rpc_xprt *xprt)
xprt_wake_pending_tasks(xprt, -ENOTCONN);
spin_unlock_bh(&xprt->transport_lock);
}
-EXPORT_SYMBOL_GPL(xprt_disconnect);
+EXPORT_SYMBOL_GPL(xprt_disconnect_done);
+
+/**
+ * xprt_force_disconnect - force a transport to disconnect
+ * @xprt: transport to disconnect
+ *
+ */
+void xprt_force_disconnect(struct rpc_xprt *xprt)
+{
+ /* Don't race with the test_bit() in xprt_clear_locked() */
+ spin_lock_bh(&xprt->transport_lock);
+ set_bit(XPRT_CLOSE_WAIT, &xprt->state);
+ /* Try to schedule an autoclose RPC call */
+ if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
+ queue_work(rpciod_workqueue, &xprt->task_cleanup);
+ else if (xprt->snd_task != NULL)
+ rpc_wake_up_task(xprt->snd_task);
+ spin_unlock_bh(&xprt->transport_lock);
+}
+EXPORT_SYMBOL_GPL(xprt_force_disconnect);
static void
xprt_init_autodisconnect(unsigned long data)
@@ -909,7 +929,7 @@ static void xprt_request_init(struct rpc_task *task, struct rpc_xprt *xprt)
{
struct rpc_rqst *req = task->tk_rqstp;
- req->rq_timeout = xprt->timeout.to_initval;
+ req->rq_timeout = task->tk_client->cl_timeout->to_initval;
req->rq_task = task;
req->rq_xprt = xprt;
req->rq_buffer = NULL;
@@ -959,22 +979,6 @@ void xprt_release(struct rpc_task *task)
}
/**
- * xprt_set_timeout - set constant RPC timeout
- * @to: RPC timeout parameters to set up
- * @retr: number of retries
- * @incr: amount of increase after each retry
- *
- */
-void xprt_set_timeout(struct rpc_timeout *to, unsigned int retr, unsigned long incr)
-{
- to->to_initval =
- to->to_increment = incr;
- to->to_maxval = to->to_initval + (incr * retr);
- to->to_retries = retr;
- to->to_exponential = 0;
-}
-
-/**
* xprt_create_transport - create an RPC transport
* @args: rpc transport creation arguments
*
@@ -1011,9 +1015,8 @@ found:
INIT_LIST_HEAD(&xprt->free);
INIT_LIST_HEAD(&xprt->recv);
INIT_WORK(&xprt->task_cleanup, xprt_autoclose);
- init_timer(&xprt->timer);
- xprt->timer.function = xprt_init_autodisconnect;
- xprt->timer.data = (unsigned long) xprt;
+ setup_timer(&xprt->timer, xprt_init_autodisconnect,
+ (unsigned long)xprt);
xprt->last_used = jiffies;
xprt->cwnd = RPC_INITCWND;
xprt->bind_index = 0;
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