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netns xfrm: per-netns state GC work

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State GC is per-netns, and this is part of it.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2008-11-25 17:20:36 -08:00 committed by David S. Miller
parent b8a0ae20b0
commit c78371441c
2 changed files with 6 additions and 5 deletions
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1
include/net/netns/xfrm.h
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@ -21,6 +21,7 @@ struct netns_xfrm {
unsigned int state_num;
struct work_struct state_hash_work;
struct hlist_head state_gc_list;
struct work_struct state_gc_work;
};
#endif

10
net/xfrm/xfrm_state.c
View File

@ -176,7 +176,6 @@ EXPORT_SYMBOL(km_waitq);
static DEFINE_RWLOCK(xfrm_state_afinfo_lock);
static struct xfrm_state_afinfo *xfrm_state_afinfo[NPROTO];
static struct work_struct xfrm_state_gc_work;
static DEFINE_SPINLOCK(xfrm_state_gc_lock);
int __xfrm_state_delete(struct xfrm_state *x);
@ -386,14 +385,15 @@ static void xfrm_state_gc_destroy(struct xfrm_state *x)
kfree(x);
}
static void xfrm_state_gc_task(struct work_struct *data)
static void xfrm_state_gc_task(struct work_struct *work)
{
struct net *net = container_of(work, struct net, xfrm.state_gc_work);
struct xfrm_state *x;
struct hlist_node *entry, *tmp;
struct hlist_head gc_list;
spin_lock_bh(&xfrm_state_gc_lock);
hlist_move_list(&init_net.xfrm.state_gc_list, &gc_list);
hlist_move_list(&net->xfrm.state_gc_list, &gc_list);
spin_unlock_bh(&xfrm_state_gc_lock);
hlist_for_each_entry_safe(x, entry, tmp, &gc_list, gclist)
@ -528,7 +528,7 @@ void __xfrm_state_destroy(struct xfrm_state *x)
spin_lock_bh(&xfrm_state_gc_lock);
hlist_add_head(&x->gclist, &init_net.xfrm.state_gc_list);
spin_unlock_bh(&xfrm_state_gc_lock);
schedule_work(&xfrm_state_gc_work);
schedule_work(&init_net.xfrm.state_gc_work);
}
EXPORT_SYMBOL(__xfrm_state_destroy);
@ -2088,7 +2088,7 @@ int __net_init xfrm_state_init(struct net *net)
net->xfrm.state_num = 0;
INIT_WORK(&net->xfrm.state_hash_work, xfrm_hash_resize);
INIT_HLIST_HEAD(&net->xfrm.state_gc_list);
INIT_WORK(&xfrm_state_gc_work, xfrm_state_gc_task);
INIT_WORK(&net->xfrm.state_gc_work, xfrm_state_gc_task);
return 0;
out_byspi: