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-rw-r--r--fs/lockd/svc.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index bdc607b..f345ef7 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();
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