diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-05-31 15:15:34 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-07 12:32:47 -0800 |
| commit | 82ccf268c0fc98dfc282ff2e240656530618d49e (patch) | |
| tree | c3c87c1339d2b80710e957a079561e7f3e52f79e /net | |
| parent | cdb19fb1cc7c1854d5698e43139f7920bcab274a (diff) | |
NLM: Don't hang forever on NLM unlock requests
commit 0b760113a3a155269a3fba93a409c640031dd68f upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
| -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 d838bea672a..b0c56461a19 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1052,6 +1052,9 @@ 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 570da303b01..ac94477eb49 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -784,6 +784,7 @@ 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; |