[PATCH v2 08/15] LockD: make lockd manager allocated per network namespace

[Stanislav Kinsbursky]

Signed-off-by: Stanislav Kinsbursky <skinsbur...@parallels.com>
---
 fs/lockd/netns.h |    2 ++
 fs/lockd/svc.c   |   18 ++++++++++--------
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h
index 94653ae..e78650c 100644
--- a/fs/lockd/netns.h
+++ b/fs/lockd/netns.h
@@ -1,6 +1,7 @@
 #ifndef __LOCKD_NETNS_H__
 #define __LOCKD_NETNS_H__
 
+#include <linux/fs.h>
 #include <net/netns/generic.h>
 
 struct lockd_net {
@@ -9,6 +10,7 @@ struct lockd_net {
        unsigned long nrhosts;
 
        struct delayed_work grace_period_end;
+       struct lock_manager lockd_manager;
 };
 
 extern int lockd_net_id;
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 70c4177..a9c436b 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -87,12 +87,14 @@ static unsigned long get_lockd_grace_period(void)
                return nlm_timeout * 5 * HZ;
 }
 
-static struct lock_manager lockd_manager = {
-};
-
-static void grace_ender(struct work_struct *not_used)
+static void grace_ender(struct work_struct *grace)
 {
-       locks_end_grace(&lockd_manager);
+       struct delayed_work *dwork = container_of(grace, struct delayed_work,
+                                                 work);
+       struct lockd_net *ln = container_of(dwork, struct lockd_net,
+                                           grace_period_end);
+
+       locks_end_grace(&ln->lockd_manager);
 }
 
 static void set_grace_period(void)
@@ -100,7 +102,7 @@ static void set_grace_period(void)
        unsigned long grace_period = get_lockd_grace_period();
        struct lockd_net *ln = net_generic(&init_net, lockd_net_id);
 
-       locks_start_grace(&lockd_manager);
+       locks_start_grace(&ln->lockd_manager);
        cancel_delayed_work_sync(&ln->grace_period_end);
        schedule_delayed_work(&ln->grace_period_end, grace_period);
 }
@@ -111,7 +113,7 @@ static void restart_grace(void)
                struct lockd_net *ln = net_generic(&init_net, lockd_net_id);
 
                cancel_delayed_work_sync(&ln->grace_period_end);
-               locks_end_grace(&lockd_manager);
+               locks_end_grace(&ln->lockd_manager);
                nlmsvc_invalidate_all();
                set_grace_period();
        }
@@ -187,7 +189,7 @@ lockd(void *vrqstp)
        }
        flush_signals(current);
        cancel_delayed_work_sync(&ln->grace_period_end);
-       locks_end_grace(&lockd_manager);
+       locks_end_grace(&ln->lockd_manager);
        if (nlmsvc_ops)
                nlmsvc_invalidate_all();
        nlm_shutdown_hosts();

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