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| author | Stanislav Kinsbursky <skinsbursky@parallels.com> | 2012-07-25 16:57:13 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2012-07-27 16:49:22 -0400 |
| commit | db9c4553412d72c6a05e0168d1d487f66e0660b3 (patch) | |
| tree | e6510453641076d46fb1453867f9532205ba302d | |
| parent | 9695c7057f4887ed54dc1e6c2ef22f72a2be1175 (diff) | |
| download | linux-db9c4553412d72c6a05e0168d1d487f66e0660b3.tar.gz linux-db9c4553412d72c6a05e0168d1d487f66e0660b3.tar.bz2 linux-db9c4553412d72c6a05e0168d1d487f66e0660b3.zip | |
LockD: manage grace list per network namespace
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
| -rw-r--r-- | fs/lockd/grace.c | 14 | ||||
| -rw-r--r-- | fs/lockd/netns.h | 1 | ||||
| -rw-r--r-- | fs/lockd/svc.c | 1 |
3 files changed, 13 insertions, 3 deletions
diff --git a/fs/lockd/grace.c b/fs/lockd/grace.c index 183cc1f0af1c..8dbaff782098 100644 --- a/fs/lockd/grace.c +++ b/fs/lockd/grace.c @@ -4,8 +4,10 @@ #include <linux/module.h> #include <linux/lockd/bind.h> +#include <net/net_namespace.h> + +#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 e78650cb937c..4eee248ba96e 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 a9c436bc450c..834dfe2ed2e9 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; } |