diff options
author | Herbert Xu <herbert@gondor.apana.org.au> | 2006-02-22 17:47:13 -0500 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2006-02-23 19:10:53 -0500 |
commit | 21380b81ef8699179b535e197a95b891a7badac7 (patch) | |
tree | 1a6be9864cabbed59db6357b2f0244413acac4c4 /include | |
parent | 85259878499d6c428cba191bb4e415a250dcd75a (diff) |
[XFRM]: Eliminate refcounting confusion by creating __xfrm_state_put().
We often just do an atomic_dec(&x->refcnt) on an xfrm_state object
because we know there is more than 1 reference remaining and thus
we can elide the heavier xfrm_state_put() call.
Do this behind an inline function called __xfrm_state_put() so that is
more obvious and also to allow us to more cleanly add refcount
debugging later.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r-- | include/net/xfrm.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h index d6111a2f0a2..004e645f3e1 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h | |||
@@ -403,6 +403,11 @@ unsigned xfrm_spi_hash(xfrm_address_t *addr, u32 spi, u8 proto, unsigned short f | |||
403 | 403 | ||
404 | extern void __xfrm_state_destroy(struct xfrm_state *); | 404 | extern void __xfrm_state_destroy(struct xfrm_state *); |
405 | 405 | ||
406 | static inline void __xfrm_state_put(struct xfrm_state *x) | ||
407 | { | ||
408 | atomic_dec(&x->refcnt); | ||
409 | } | ||
410 | |||
406 | static inline void xfrm_state_put(struct xfrm_state *x) | 411 | static inline void xfrm_state_put(struct xfrm_state *x) |
407 | { | 412 | { |
408 | if (atomic_dec_and_test(&x->refcnt)) | 413 | if (atomic_dec_and_test(&x->refcnt)) |