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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-03-19 16:24:54 +0100
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-03-23 16:51:22 +0100
commitd84dd3fb82fa7a094de7f08f10610d55a70cf0ca (patch)
tree5fcd76a88df68a31edcc7154ccda9e06906ed9fa
parentNFSv4.1 don't free interrupted slot on open (diff)
downloadlinux-d84dd3fb82fa7a094de7f08f10610d55a70cf0ca.tar.xz
linux-d84dd3fb82fa7a094de7f08f10610d55a70cf0ca.zip
SUNRPC: Don't let RPC_SOFTCONN tasks time out if the transport is connected
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>
-rw-r--r--net/sunrpc/clnt.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 228970e6e52b..187d10443a15 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2311,6 +2311,15 @@ out_exit:
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",