From db9c4553412d72c6a05e0168d1d487f66e0660b3 Mon Sep 17 00:00:00 2001 From: Stanislav Kinsbursky Date: Wed, 25 Jul 2012 16:57:13 +0400 Subject: LockD: manage grace list per network namespace Signed-off-by: Stanislav Kinsbursky Signed-off-by: J. Bruce Fields --- fs/lockd/grace.c | 14 +++++++++++--- fs/lockd/netns.h | 1 + fs/lockd/svc.c | 1 + 3 files changed, 13 insertions(+), 3 deletions(-) (limited to 'fs') diff --git a/fs/lockd/grace.c b/fs/lockd/grace.c index 183cc1f..8dbaff7 100644 --- a/fs/lockd/grace.c +++ b/fs/lockd/grace.c @@ -4,8 +4,10 @@ #include #include +#include + +#include "netns.h" -static LIST_HEAD(grace_list); static DEFINE_SPINLOCK(grace_lock); /** @@ -21,8 +23,11 @@ static DEFINE_SPINLOCK(grace_lock); */ void locks_start_grace(struct lock_manager *lm) { + struct net *net = &init_net; + struct lockd_net *ln = net_generic(net, lockd_net_id); + spin_lock(&grace_lock); - list_add(&lm->list, &grace_list); + list_add(&lm->list, &ln->grace_list); spin_unlock(&grace_lock); } EXPORT_SYMBOL_GPL(locks_start_grace); @@ -54,6 +59,9 @@ EXPORT_SYMBOL_GPL(locks_end_grace); */ int locks_in_grace(void) { - return !list_empty(&grace_list); + struct net *net = &init_net; + struct lockd_net *ln = net_generic(net, lockd_net_id); + + return !list_empty(&ln->grace_list); } EXPORT_SYMBOL_GPL(locks_in_grace); diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h index e78650c..4eee248 100644 --- a/fs/lockd/netns.h +++ b/fs/lockd/netns.h @@ -11,6 +11,7 @@ struct lockd_net { struct delayed_work grace_period_end; struct lock_manager lockd_manager; + struct list_head grace_list; }; extern int lockd_net_id; diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index a9c436b..834dfe2 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -596,6 +596,7 @@ static int lockd_init_net(struct net *net) struct lockd_net *ln = net_generic(net, lockd_net_id); INIT_DELAYED_WORK(&ln->grace_period_end, grace_ender); + INIT_LIST_HEAD(&ln->grace_list); return 0; } -- cgit v1.1