SUNRPC: Give credential cache a local spinlock

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 5974e8a493c4..e5a3b5141ed2 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -63,6 +63,7 @@ struct rpc_cred {
 #define RPC_CREDCACHE_MASK      (RPC_CREDCACHE_NR - 1)
 struct rpc_cred_cache {
         struct hlist_head       hashtable[RPC_CREDCACHE_NR];
+        spinlock_t              lock;
         unsigned long           nextgc;         /* next garbage collection */
         unsigned long           expire;         /* cache expiry interval */
 };
@@ -126,6 +127,8 @@ struct rpc_credops {
 extern const struct rpc_authops authunix_ops;
 extern const struct rpc_authops authnull_ops;
 
+void __init             rpc_init_authunix(void);
+
 int                     rpcauth_register(const struct rpc_authops *);
 int                     rpcauth_unregister(const struct rpc_authops *);
 struct rpc_auth *       rpcauth_create(rpc_authflavor_t, struct rpc_clnt *);