[PATCH 3.13 001/212] SUNRPC: Ensure that call_connect times out correctly

Kamal Mostafa
2014-06-17T21:41:35Z

From: Trond Myklebust <trond.myklebust@primarydata.com>

commit 485f2251782f7c44299c491d4676a8a01428d191 upstream.

When the server is unavailable due to a networking error, etc, we want
the RPC client to respect the timeout delays when attempting to reconnect.

Reported-by: Neil Brown <neilb@suse.de>
Fixes: 561ec1603171 (SUNRPC: call_connect_status should recheck bind..)
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
net/sunrpc/clnt.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index e726e16..70eddf3 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1797,10 +1797,6 @@ call_connect_status(struct rpc_task *task)
trace_rpc_connect_status(task, status);
task->tk_status = 0;
switch (status) {
- /* if soft mounted, test if we've timed out */
- case -ETIMEDOUT:
- task->tk_action = call_timeout;
- return;
case -ECONNREFUSED:
case -ECONNRESET:
case -ENETUNREACH:
@@ -1809,7 +1805,9 @@ call_connect_status(struct rpc_task *task)
if (RPC_IS_SOFTCONN(task))
break;
case -EAGAIN:
- task->tk_action = call_bind;
+ /* Check for timeouts before looping back to call_bind */
+ case -ETIMEDOUT:
+ task->tk_action = call_timeout;
return;
case 0:
clnt->cl_stats->netreconn++;
--
1.9.1