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[IPV4]: inetpeer annotations

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This one is interesting - we use net-endian value as search key, but
order the tree by *host-endian* comparisons of keys.  OK since we only
care about lookups.  Annotated inet_getpeer() and friends.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro 2006-09-26 22:18:43 -07:00 committed by David S. Miller
parent d878e72e41
commit 53576d9b99
2 changed files with 4 additions and 4 deletions
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4
include/net/inetpeer.h
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@ -22,7 +22,7 @@ struct inet_peer
unsigned long dtime; /* the time of last use of not
* referenced entries */
atomic_t refcnt;
__u32 v4daddr; /* peer's address */
__be32 v4daddr; /* peer's address */
__u16 avl_height;
__u16 ip_id_count; /* IP ID for the next packet */
atomic_t rid; /* Frag reception counter */
@ -33,7 +33,7 @@ struct inet_peer
void inet_initpeers(void) __init;
/* can be called with or without local BH being disabled */
struct inet_peer *inet_getpeer(__u32 daddr, int create);
struct inet_peer *inet_getpeer(__be32 daddr, int create);
extern spinlock_t inet_peer_unused_lock;
extern struct inet_peer **inet_peer_unused_tailp;

4
net/ipv4/inetpeer.c
View File

@ -163,7 +163,7 @@ static void unlink_from_unused(struct inet_peer *p)
for (u = peer_root; u != peer_avl_empty; ) { \
if (daddr == u->v4daddr) \
break; \
if (daddr < u->v4daddr) \
if ((__force __u32)daddr < (__force __u32)u->v4daddr) \
v = &u->avl_left; \
else \
v = &u->avl_right; \
@ -368,7 +368,7 @@ static int cleanup_once(unsigned long ttl)
}
/* Called with or without local BH being disabled. */
struct inet_peer *inet_getpeer(__u32 daddr, int create)
struct inet_peer *inet_getpeer(__be32 daddr, int create)
{
struct inet_peer *p, *n;
struct inet_peer **stack[PEER_MAXDEPTH], ***stackptr;