SUNRPC: Convert the credcache lookup code to use RCU
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 55c47ae..068fa6d 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -694,15 +694,25 @@
}
static void
-gss_destroy_cred(struct rpc_cred *rc)
+gss_free_cred(struct gss_cred *gss_cred)
{
- struct gss_cred *cred = container_of(rc, struct gss_cred, gc_base);
+ dprintk("RPC: gss_free_cred %p\n", gss_cred);
+ if (gss_cred->gc_ctx)
+ gss_put_ctx(gss_cred->gc_ctx);
+ kfree(gss_cred);
+}
- dprintk("RPC: gss_destroy_cred \n");
+static void
+gss_free_cred_callback(struct rcu_head *head)
+{
+ struct gss_cred *gss_cred = container_of(head, struct gss_cred, gc_base.cr_rcu);
+ gss_free_cred(gss_cred);
+}
- if (cred->gc_ctx)
- gss_put_ctx(cred->gc_ctx);
- kfree(cred);
+static void
+gss_destroy_cred(struct rpc_cred *cred)
+{
+ call_rcu(&cred->cr_rcu, gss_free_cred_callback);
}
/*
