nfsd: allocate export and expkey caches in per-net operations.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 21 insertions, 6 deletions

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index b14417740816..08cd87a9fb40 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1137,7 +1137,28 @@ static int create_proc_exports_entry(void)
 #endif
 
 int nfsd_net_id;
+
+static __net_init int nfsd_init_net(struct net *net)
+{
+        int retval;
+
+        retval = nfsd_export_init(net);
+        if (retval)
+                goto out_export_error;
+        return 0;
+
+out_export_error:
+        return retval;
+}
+
+static __net_exit void nfsd_exit_net(struct net *net)
+{
+        nfsd_export_shutdown(net);
+}
+
 static struct pernet_operations nfsd_net_ops = {
+        .init = nfsd_init_net,
+        .exit = nfsd_exit_net,
         .id   = &nfsd_net_id,
         .size = sizeof(struct nfsd_net),
 };
@@ -1164,9 +1185,6 @@ static int __init init_nfsd(void)
         retval = nfsd_reply_cache_init();
         if (retval)
                 goto out_free_stat;
-        retval = nfsd_export_init(&init_net);
-        if (retval)
-                goto out_free_cache;
         nfsd_lockd_init();      /* lockd->nfsd callbacks */
         retval = nfsd_idmap_init();
         if (retval)
@@ -1185,8 +1203,6 @@ out_free_idmap:
         nfsd_idmap_shutdown();
 out_free_lockd:
         nfsd_lockd_shutdown();
-        nfsd_export_shutdown(&init_net);
-out_free_cache:
         nfsd_reply_cache_shutdown();
 out_free_stat:
         nfsd_stat_shutdown();
@@ -1202,7 +1218,6 @@ out_unregister_notifier:
 
 static void __exit exit_nfsd(void)
 {
-        nfsd_export_shutdown(&init_net);
         nfsd_reply_cache_shutdown();
         remove_proc_entry("fs/nfs/exports", NULL);
         remove_proc_entry("fs/nfs", NULL);