diff options
Diffstat (limited to 'fs/lockd/clntproc.c')
| -rw-r--r-- | fs/lockd/clntproc.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index 145524039577..220058d8616d 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -22,12 +22,14 @@ #define NLMDBG_FACILITY NLMDBG_CLIENT #define NLMCLNT_GRACE_WAIT (5*HZ) #define NLMCLNT_POLL_TIMEOUT (30*HZ) +#define NLMCLNT_MAX_RETRIES 3 static int nlmclnt_test(struct nlm_rqst *, struct file_lock *); static int nlmclnt_lock(struct nlm_rqst *, struct file_lock *); static int nlmclnt_unlock(struct nlm_rqst *, struct file_lock *); static int nlm_stat_to_errno(u32 stat); static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host); +static int nlmclnt_cancel(struct nlm_host *, int , struct file_lock *); static const struct rpc_call_ops nlmclnt_unlock_ops; static const struct rpc_call_ops nlmclnt_cancel_ops; @@ -598,7 +600,7 @@ out_unblock: nlmclnt_finish_block(req); /* Cancel the blocked request if it is still pending */ if (resp->status == NLM_LCK_BLOCKED) - nlmclnt_cancel(host, fl); + nlmclnt_cancel(host, req->a_args.block, fl); out: nlmclnt_release_lockargs(req); return status; @@ -728,8 +730,7 @@ static const struct rpc_call_ops nlmclnt_unlock_ops = { * We always use an async RPC call for this in order not to hang a * process that has been Ctrl-C'ed. */ -int -nlmclnt_cancel(struct nlm_host *host, struct file_lock *fl) +static int nlmclnt_cancel(struct nlm_host *host, int block, struct file_lock *fl) { struct nlm_rqst *req; unsigned long flags; @@ -750,6 +751,7 @@ nlmclnt_cancel(struct nlm_host *host, struct file_lock *fl) req->a_flags = RPC_TASK_ASYNC; nlmclnt_setlockargs(req, fl); + req->a_args.block = block; status = nlmclnt_async_call(req, NLMPROC_CANCEL, &nlmclnt_cancel_ops); if (status < 0) { @@ -801,6 +803,9 @@ die: return; retry_cancel: + /* Don't ever retry more than 3 times */ + if (req->a_retries++ >= NLMCLNT_MAX_RETRIES) + goto die; nlm_rebind_host(req->a_host); rpc_restart_call(task); rpc_delay(task, 30 * HZ); |