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| author | Herbert Xu | 2006-02-22 23:47:13 +0100 |
|---|---|---|
| committer | David S. Miller | 2006-02-24 01:10:53 +0100 |
| commit | 21380b81ef8699179b535e197a95b891a7badac7 (patch) | |
| tree | 1a6be9864cabbed59db6357b2f0244413acac4c4 /include | |
| parent | [IPV4]: Fix garbage collection of multipath route entries (diff) | |
| download | kernel-qcow2-linux-21380b81ef8699179b535e197a95b891a7badac7.tar.gz kernel-qcow2-linux-21380b81ef8699179b535e197a95b891a7badac7.tar.xz kernel-qcow2-linux-21380b81ef8699179b535e197a95b891a7badac7.zip | |
[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 d6111a2f0a23..004e645f3e18 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 extern void __xfrm_state_destroy(struct xfrm_state *); +static inline void __xfrm_state_put(struct xfrm_state *x) +{ + atomic_dec(&x->refcnt); +} + static inline void xfrm_state_put(struct xfrm_state *x) { if (atomic_dec_and_test(&x->refcnt)) |