[NET]: Cleanup INET_REFCNT_DEBUG code
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
committed by
David S. Miller
parent
d13964f449
commit
e6848976b7
@@ -491,6 +491,9 @@ extern int sk_wait_data(struct sock *sk, long *timeo);
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struct request_sock_ops;
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/* Here is the right place to enable sock refcounting debugging */
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#define SOCK_REFCNT_DEBUG
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/* Networking protocol blocks we attach to sockets.
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* socket layer -> transport layer interface
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* transport -> network interface is defined by struct inet_proto
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@@ -561,7 +564,9 @@ struct proto {
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char name[32];
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struct list_head node;
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#ifdef SOCK_REFCNT_DEBUG
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atomic_t socks;
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#endif
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struct {
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int inuse;
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u8 __pad[SMP_CACHE_BYTES - sizeof(int)];
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@@ -571,6 +576,31 @@ struct proto {
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extern int proto_register(struct proto *prot, int alloc_slab);
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extern void proto_unregister(struct proto *prot);
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#ifdef SOCK_REFCNT_DEBUG
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static inline void sk_refcnt_debug_inc(struct sock *sk)
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{
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atomic_inc(&sk->sk_prot->socks);
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}
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static inline void sk_refcnt_debug_dec(struct sock *sk)
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{
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atomic_dec(&sk->sk_prot->socks);
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printk(KERN_DEBUG "%s socket %p released, %d are still alive\n",
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sk->sk_prot->name, sk, atomic_read(&sk->sk_prot->socks));
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}
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static inline void sk_refcnt_debug_release(const struct sock *sk)
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{
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if (atomic_read(&sk->sk_refcnt) != 1)
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printk(KERN_DEBUG "Destruction of the %s socket %p delayed, refcnt=%d\n",
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sk->sk_prot->name, sk, atomic_read(&sk->sk_refcnt));
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}
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#else /* SOCK_REFCNT_DEBUG */
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#define sk_refcnt_debug_inc(sk) do { } while (0)
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#define sk_refcnt_debug_dec(sk) do { } while (0)
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#define sk_refcnt_debug_release(sk) do { } while (0)
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#endif /* SOCK_REFCNT_DEBUG */
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/* Called with local bh disabled */
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static __inline__ void sock_prot_inc_use(struct proto *prot)
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{
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