netdev - [PATCH net-next nfs 4/6] net: Convert nfs4_dns_resolver

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Message-ID: <152093818835.8636.5993458301872634002.stgit@localhost.localdomain>
Date:   Tue, 13 Mar 2018 13:49:48 +0300
From:   Kirill Tkhai <ktkhai@...tuozzo.com>
To:     davem@...emloft.net, trond.myklebust@...marydata.com,
        anna.schumaker@...app.com, bfields@...ldses.org,
        jlayton@...nel.org, dhowells@...hat.com, ktkhai@...tuozzo.com,
        keescook@...omium.org, dwindsor@...il.com, ishkamiel@...il.com,
        elena.reshetova@...el.com, linux-nfs@...r.kernel.org,
        linux-afs@...ts.infradead.org, netdev@...r.kernel.org
Subject: [PATCH net-next nfs 4/6] net: Convert nfs4_dns_resolver_ops

These pernet_operations look similar to rpcsec_gss_net_ops,
they just create and destroy another cache. Also they create
and destroy directory. So, they also look safe to be async.

Signed-off-by: Kirill Tkhai <ktkhai@...tuozzo.com>
---
 fs/nfs/dns_resolve.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
index 060c658eab66..e90bd69ab653 100644
--- a/fs/nfs/dns_resolve.c
+++ b/fs/nfs/dns_resolve.c
@@ -410,6 +410,7 @@ static void nfs4_dns_net_exit(struct net *net)
 static struct pernet_operations nfs4_dns_resolver_ops = {
 	.init = nfs4_dns_net_init,
 	.exit = nfs4_dns_net_exit,
+	.async = true,
 };
 
 static int rpc_pipefs_event(struct notifier_block *nb, unsigned long event,