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net: Make dst_alloc() take more explicit initializations.

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Now the dst->dev, dev->obsolete, and dst->flags values can
be specified as well.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2011-04-28 14:13:38 -07:00
parent 778865a550
commit 5c1e6aa300
6 changed files with 44 additions and 61 deletions
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18
net/core/dst.c
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@@ -166,7 +166,8 @@ EXPORT_SYMBOL(dst_discard);
const u32 dst_default_metrics[RTAX_MAX];
void *dst_alloc(struct dst_ops *ops, int initial_ref)
void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
int initial_ref, int initial_obsolete, int flags)
{
struct dst_entry *dst;
@@ -177,12 +178,19 @@ void *dst_alloc(struct dst_ops *ops, int initial_ref)
dst = kmem_cache_zalloc(ops->kmem_cachep, GFP_ATOMIC);
if (!dst)
return NULL;
atomic_set(&dst->__refcnt, initial_ref);
dst->ops = ops;
dst->lastuse = jiffies;
dst->path = dst;
dst->input = dst->output = dst_discard;
dst->dev = dev;
if (dev)
dev_hold(dev);
dst_init_metrics(dst, dst_default_metrics, true);
dst->path = dst;
dst->input = dst_discard;
dst->output = dst_discard;
dst->obsolete = initial_obsolete;
atomic_set(&dst->__refcnt, initial_ref);
dst->lastuse = jiffies;
dst->flags = flags;
#if RT_CACHE_DEBUG >= 2
atomic_inc(&dst_total);
#endif