[NETNS][FRAGS]: Make the nqueues counter per-namespace.

This is simple - just move the variable from struct inet_frags
to struct netns_frags and adjust the usage appropriately.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 3 deletions

diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 158c5f60d023..4fec0b911f85 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -63,7 +63,6 @@ void inet_frags_init(struct inet_frags *f)
         f->rnd = (u32) ((num_physpages ^ (num_physpages>>7)) ^
                                    (jiffies ^ (jiffies >> 6)));
 
-        f->nqueues = 0;
         atomic_set(&f->mem, 0);
 
         setup_timer(&f->secret_timer, inet_frag_secret_rebuild,
@@ -73,6 +72,12 @@ void inet_frags_init(struct inet_frags *f)
 }
 EXPORT_SYMBOL(inet_frags_init);
 
+void inet_frags_init_net(struct netns_frags *nf)
+{
+        nf->nqueues = 0;
+}
+EXPORT_SYMBOL(inet_frags_init_net);
+
 void inet_frags_fini(struct inet_frags *f)
 {
         del_timer(&f->secret_timer);
@@ -84,7 +89,7 @@ static inline void fq_unlink(struct inet_frag_queue *fq, struct inet_frags *f)
         write_lock(&f->lock);
         hlist_del(&fq->list);
         list_del(&fq->lru_list);
-        f->nqueues--;
+        fq->net->nqueues--;
         write_unlock(&f->lock);
 }
 
@@ -206,7 +211,7 @@ static struct inet_frag_queue *inet_frag_intern(struct netns_frags *nf,
         atomic_inc(&qp->refcnt);
         hlist_add_head(&qp->list, &f->hash[hash]);
         list_add_tail(&qp->lru_list, &f->lru_list);
-        f->nqueues++;
+        nf->nqueues++;
         write_unlock(&f->lock);
         return qp;
 }