From 608a0ab2f54ab0e301ad76a41aad979ea0d02670 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <trondmy@gmail.com>
Date: Mon, 1 Oct 2018 10:41:44 -0400
Subject: SUNRPC: Add lockless lookup of the server's auth domain

Avoid taking the global auth_domain_lock in most lookups of the auth domain
by adding an RCU protected lookup.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---
 include/linux/sunrpc/svcauth.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/linux/sunrpc/svcauth.h')

diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h
index 04e404a07882..3e53a6e2ada7 100644
--- a/include/linux/sunrpc/svcauth.h
+++ b/include/linux/sunrpc/svcauth.h
@@ -82,6 +82,7 @@ struct auth_domain {
 	struct hlist_node	hash;
 	char			*name;
 	struct auth_ops		*flavour;
+	struct rcu_head		rcu_head;
 };
 
 /*
-- 
cgit