Commit a22ec367 authored by Steven Whitehouse's avatar Steven Whitehouse Committed by David S. Miller

[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: default avatarSteven Whitehouse <steve@chygwyn.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a8731cbf
......@@ -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 @@ struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r, struct dn_kern_rta
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:
......
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