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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-05-31 15:15:34 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-06-15 11:24:27 -0400 |
| commit | 0b760113a3a155269a3fba93a409c640031dd68f (patch) | |
| tree | 699dc3e0ebe2df11b0c67045c046deafdb56282d /net/sunrpc | |
| parent | 9e3bd4e24e94d60d2e0762e919aab6c9a7fc0c5b (diff) | |
| download | kernel_samsung_smdk4412-0b760113a3a155269a3fba93a409c640031dd68f.zip kernel_samsung_smdk4412-0b760113a3a155269a3fba93a409c640031dd68f.tar.gz kernel_samsung_smdk4412-0b760113a3a155269a3fba93a409c640031dd68f.tar.bz2 | |
NLM: Don't hang forever on NLM unlock requests
If the NLM daemon is killed on the NFS server, we can currently end up
hanging forever on an 'unlock' request, instead of aborting. Basically,
if the rpcbind request fails, or the server keeps returning garbage, we
really want to quit instead of retrying.
Tested-by: Vasily Averin <vvs@sw.ru>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/clnt.c | 3 | ||||
| -rw-r--r-- | net/sunrpc/sched.c | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index b84d739..566bcfd 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1175,6 +1175,9 @@ call_bind_status(struct rpc_task *task) status = -EOPNOTSUPP; break; } + if (task->tk_rebind_retry == 0) + break; + task->tk_rebind_retry--; rpc_delay(task, 3*HZ); goto retry_timeout; case -ETIMEDOUT: diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index 6b43ee7..a27406b 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -792,6 +792,7 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta /* Initialize retry counters */ task->tk_garb_retry = 2; task->tk_cred_retry = 2; + task->tk_rebind_retry = 2; task->tk_priority = task_setup_data->priority - RPC_PRIORITY_LOW; task->tk_owner = current->tgid; |