From a22ec367b08455f95fa0096ce1999950b6f6911c Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 9 Aug 2006 16:00:57 -0700 Subject: [PATCH] [DECNET]: Convert rwlock to spinlock As per Stephen Hemminger's recent patch to ipv4/fib_semantics.c this is the same change but for DECnet. Signed-off-by: Steven Whitehouse Signed-off-by: David S. Miller --- net/decnet/dn_fib.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c index 846df3954a63..ed5fb5c3eab5 100644 --- a/net/decnet/dn_fib.c +++ b/net/decnet/dn_fib.c @@ -59,7 +59,7 @@ extern int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb); static DEFINE_SPINLOCK(dn_fib_multipath_lock); static struct dn_fib_info *dn_fib_info_list; -static DEFINE_RWLOCK(dn_fib_info_lock); +static DEFINE_SPINLOCK(dn_fib_info_lock); static struct { @@ -97,7 +97,7 @@ void dn_fib_free_info(struct dn_fib_info *fi) void dn_fib_release_info(struct dn_fib_info *fi) { - write_lock(&dn_fib_info_lock); + spin_lock(&dn_fib_info_lock); if (fi && --fi->fib_treeref == 0) { if (fi->fib_next) fi->fib_next->fib_prev = fi->fib_prev; @@ -108,7 +108,7 @@ void dn_fib_release_info(struct dn_fib_info *fi) fi->fib_dead = 1; dn_fib_info_put(fi); } - write_unlock(&dn_fib_info_lock); + spin_unlock(&dn_fib_info_lock); } static inline int dn_fib_nh_comp(const struct dn_fib_info *fi, const struct dn_fib_info *ofi) @@ -379,13 +379,13 @@ link_it: fi->fib_treeref++; atomic_inc(&fi->fib_clntref); - write_lock(&dn_fib_info_lock); + spin_lock(&dn_fib_info_lock); fi->fib_next = dn_fib_info_list; fi->fib_prev = NULL; if (dn_fib_info_list) dn_fib_info_list->fib_prev = fi; dn_fib_info_list = fi; - write_unlock(&dn_fib_info_lock); + spin_unlock(&dn_fib_info_lock); return fi; err_inval: -- 2.39.5