SUNRPC: Convert the credcache lookup code to use RCU

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 4e78f0c5f014..5974e8a493c4 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_credops;
 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 @@ struct rpc_cred {
 };
 #define RPCAUTH_CRED_NEW        0
 #define RPCAUTH_CRED_UPTODATE   1
+#define RPCAUTH_CRED_HASHED     2
 
 #define RPCAUTH_CRED_MAGIC      0x0f4aa4f0