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pkt_sched: Kill qdisc_lock_tree usage in cls_route.c 

It just wants the qdisc tree to be synchronized, so grabbing
qdisc_root_lock() is sufficient.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-07-16 02:42:51 -07:00
parent 55dbc640c3
commit 15b458fa65
1 changed files with 7 additions and 5 deletions
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12
net/sched/cls_route.c
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@ -73,11 +73,13 @@ static __inline__ int route4_fastmap_hash(u32 id, int iif)
}
static inline
void route4_reset_fastmap(struct net_device *dev, struct route4_head *head, u32 id)
void route4_reset_fastmap(struct Qdisc *q, struct route4_head *head, u32 id)
{
qdisc_lock_tree(dev);
spinlock_t *root_lock = qdisc_root_lock(q);
spin_lock_bh(root_lock);
memset(head->fastmap, 0, sizeof(head->fastmap));
qdisc_unlock_tree(dev);
spin_unlock_bh(root_lock);
}
static inline void
@ -302,7 +304,7 @@ static int route4_delete(struct tcf_proto *tp, unsigned long arg)
*fp = f->next;
tcf_tree_unlock(tp);
route4_reset_fastmap(qdisc_dev(tp->q), head, f->id);
route4_reset_fastmap(tp->q, head, f->id);
route4_delete_filter(tp, f);
/* Strip tree */
@ -500,7 +502,7 @@ reinsert:
}
tcf_tree_unlock(tp);
route4_reset_fastmap(qdisc_dev(tp->q), head, f->id);
route4_reset_fastmap(tp->q, head, f->id);
*arg = (unsigned long)f;
return 0;