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SUNRPC: Don't let RPC_SOFTCONN tasks time out if the transport is connected

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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>
This commit is contained in:
Trond Myklebust 2019-03-19 11:24:54 -04:00
parent 0cb98abb5b
commit d84dd3fb82
1 changed files with 11 additions and 1 deletions
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12
net/sunrpc/clnt.c
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@ -2311,6 +2311,15 @@ call_status(struct rpc_task *task)
rpc_exit(task, status);
}
static bool
rpc_check_connected(const struct rpc_rqst *req)
{
/* No allocated request or transport? return true */
if (!req || !req->rq_xprt)
return true;
return xprt_connected(req->rq_xprt);
}
static void
rpc_check_timeout(struct rpc_task *task)
{
@ -2322,10 +2331,11 @@ 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 (RPC_IS_SOFTCONN(task) && !rpc_check_connected(task->tk_rqstp)) {
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",