diff options
Diffstat (limited to 'fs/lockd/svc.c')
| -rw-r--r-- | fs/lockd/svc.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index bdc607bb25e9..f345ef7fb8ae 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -97,15 +97,20 @@ unsigned long get_nfs_grace_period(void) } EXPORT_SYMBOL(get_nfs_grace_period); -static unsigned long set_grace_period(void) +static void grace_ender(struct work_struct *not_used) { - nlmsvc_grace_period = 1; - return get_nfs_grace_period() + jiffies; + nlmsvc_grace_period = 0; } -static inline void clear_grace_period(void) +static DECLARE_DELAYED_WORK(grace_period_end, grace_ender); + +static void set_grace_period(void) { - nlmsvc_grace_period = 0; + unsigned long grace_period = get_nfs_grace_period() + jiffies; + + nlmsvc_grace_period = 1; + cancel_delayed_work_sync(&grace_period_end); + schedule_delayed_work(&grace_period_end, grace_period); } /* @@ -116,7 +121,6 @@ lockd(void *vrqstp) { int err = 0, preverr = 0; struct svc_rqst *rqstp = vrqstp; - unsigned long grace_period_expire; /* try_to_freeze() is called from svc_recv() */ set_freezable(); @@ -139,7 +143,7 @@ lockd(void *vrqstp) nlm_timeout = LOCKD_DFLT_TIMEO; nlmsvc_timeout = nlm_timeout * HZ; - grace_period_expire = set_grace_period(); + set_grace_period(); /* * The main request loop. We don't terminate until the last @@ -153,16 +157,13 @@ lockd(void *vrqstp) flush_signals(current); if (nlmsvc_ops) { nlmsvc_invalidate_all(); - grace_period_expire = set_grace_period(); + set_grace_period(); } continue; } timeout = nlmsvc_retry_blocked(); - if (time_before(grace_period_expire, jiffies)) - clear_grace_period(); - /* * Find a socket with data available and call its * recvfrom routine. @@ -189,6 +190,7 @@ lockd(void *vrqstp) svc_process(rqstp); } flush_signals(current); + cancel_delayed_work_sync(&grace_period_end); if (nlmsvc_ops) nlmsvc_invalidate_all(); nlm_shutdown_hosts(); |