diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-05-31 15:15:34 -0400 |
|---|---|---|
| committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2012-08-17 15:35:41 -0400 |
| commit | ce838ded70a01b09d8429c62a63741cd000abb06 (patch) | |
| tree | 6164901b8d073b64915f726f429548ec7e686980 /net | |
| parent | 834458c39725566f611cf05636dba38821dcf904 (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>
[PG: struct rpc_task in sched.h slightly different layout vs. v3.0]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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 0ad782838ed7..018903ce7550 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1053,6 +1053,9 @@ 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 416ca5e9378e..e961e064a5bc 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -799,6 +799,7 @@ 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; |