* [PATCH] SUNRPC: Don't let RPC_SOFTCONN tasks time out if the transport is connected
@ 2019-03-19 17:14 Trond Myklebust
0 siblings, 0 replies; only message in thread
From: Trond Myklebust @ 2019-03-19 17:14 UTC (permalink / raw)
To: linux-nfs
If the transport is still connected, then we do want to allow
RPC_SOFTCONN tasks to retry. They should time out if and only if
the connection is broken.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
net/sunrpc/clnt.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 228970e6e52b..98f6e27feba5 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2315,6 +2315,7 @@ static void
rpc_check_timeout(struct rpc_task *task)
{
struct rpc_clnt *clnt = task->tk_client;
+ struct rpc_xprt *xprt = NULL;
if (xprt_adjust_timeout(task->tk_rqstp) == 0)
return;
@@ -2322,10 +2323,14 @@ rpc_check_timeout(struct rpc_task *task)
dprintk("RPC: %5u call_timeout (major)\n", task->tk_pid);
task->tk_timeouts++;
- if (RPC_IS_SOFTCONN(task)) {
+ if (task->tk_rqstp)
+ xprt = task->tk_rqstp->rq_xprt;
+
+ if (RPC_IS_SOFTCONN(task) && xprt && !xprt_connected(xprt)) {
rpc_exit(task, -ETIMEDOUT);
return;
}
+
if (RPC_IS_SOFT(task)) {
if (clnt->cl_chatty) {
printk(KERN_NOTICE "%s: server %s not responding, timed out\n",
--
2.20.1
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