[PATCH v2 13/15] Lockd: move grace period management from lockd() to per-net functions

Stanislav Kinsbursky
2012-07-25T12:58:56Z

fs/lockd/svc.c | 9 +++------
1 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 68271c2..31a63f8 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -128,8 +128,6 @@ lockd(void *vrqstp)
{
int err = 0, preverr = 0;
struct svc_rqst *rqstp = vrqstp;
- struct net *net = &init_net;
- struct lockd_net *ln = net_generic(net, lockd_net_id);

/* try_to_freeze() is called from svc_recv() */
set_freezable();
@@ -143,8 +141,6 @@ lockd(void *vrqstp)
nlm_timeout = LOCKD_DFLT_TIMEO;
nlmsvc_timeout = nlm_timeout * HZ;

- set_grace_period(net);
-
/*
* The main request loop. We don't terminate until the last
* NFS mount or NFS daemon has gone away.
@@ -190,8 +186,6 @@ lockd(void *vrqstp)
svc_process(rqstp);
}
flush_signals(current);
- cancel_delayed_work_sync(&ln->grace_period_end);
- locks_end_grace(&ln->lockd_manager);
if (nlmsvc_ops)
nlmsvc_invalidate_all();
nlm_shutdown_hosts();
@@ -272,6 +266,7 @@ static int lockd_up_net(struct svc_serv *serv, struct net *net)
error = make_socks(serv, net);
if (error < 0)
goto err_socks;
+ set_grace_period(net);
dprintk("lockd_up_net: per-net data created; net=%p\n", net);
return 0;

@@ -289,6 +284,8 @@ static void lockd_down_net(struct svc_serv *serv, struct net *net)
if (ln->nlmsvc_users) {
if (--ln->nlmsvc_users == 0) {
nlm_shutdown_hosts_net(net);
+ cancel_delayed_work_sync(&ln->grace_period_end);
+ locks_end_grace(&ln->lockd_manager);
svc_shutdown_net(serv, net);
dprintk("lockd_down_net: per-net data destroyed; net=%p\n", net);
}