SUNRPC: Convert the credcache lookup code to use RCU
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 4e78f0c..5974e8a 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -16,6 +16,7 @@
#include <linux/sunrpc/xdr.h>
#include <asm/atomic.h>
+#include <linux/rcupdate.h>
/* size of the nodename buffer */
#define UNX_MAXNODENAME 32
@@ -35,6 +36,7 @@
struct rpc_cred {
struct hlist_node cr_hash; /* hash chain */
struct list_head cr_lru; /* lru garbage collection */
+ struct rcu_head cr_rcu;
struct rpc_auth * cr_auth;
const struct rpc_credops *cr_ops;
#ifdef RPC_DEBUG
@@ -50,6 +52,7 @@
};
#define RPCAUTH_CRED_NEW 0
#define RPCAUTH_CRED_UPTODATE 1
+#define RPCAUTH_CRED_HASHED 2
#define RPCAUTH_CRED_MAGIC 0x0f4aa4f0