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ipv6: use standard lists for FIB walks 

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2010-02-18 08:13:30 +00:00 committed by David S. Miller
parent bc417d99bf
commit bbef49daca
2 changed files with 5 additions and 14 deletions
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2
include/net/ip6_fib.h
View File

@ -124,7 +124,7 @@ static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst)
}
struct fib6_walker_t {
struct fib6_walker_t *prev, *next;
struct list_head lh;
struct fib6_node *root, *node;
struct rt6_info *leaf;
unsigned char state;

17
net/ipv6/ip6_fib.c
View File

@ -93,29 +93,20 @@ static __u32 rt_sernum;
static void fib6_gc_timer_cb(unsigned long arg);
static struct fib6_walker_t fib6_walker_list = {
.prev = &fib6_walker_list,
.next = &fib6_walker_list,
};
#define FOR_WALKERS(w) for ((w)=fib6_walker_list.next; (w) != &fib6_walker_list; (w)=(w)->next)
static LIST_HEAD(fib6_walkers);
#define FOR_WALKERS(w) list_for_each_entry(w, &fib6_walkers, lh)
static inline void fib6_walker_link(struct fib6_walker_t *w)
{
write_lock_bh(&fib6_walker_lock);
w->next = fib6_walker_list.next;
w->prev = &fib6_walker_list;
w->next->prev = w;
w->prev->next = w;
list_add(&w->lh, &fib6_walkers);
write_unlock_bh(&fib6_walker_lock);
}
static inline void fib6_walker_unlink(struct fib6_walker_t *w)
{
write_lock_bh(&fib6_walker_lock);
w->next->prev = w->prev;
w->prev->next = w->next;
w->prev = w->next = w;
list_del(&w->lh);
write_unlock_bh(&fib6_walker_lock);
}
static __inline__ u32 fib6_new_sernum(void)