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authorStanislav Kinsbursky <skinsbursky@parallels.com>2012-01-19 21:42:29 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-01-31 19:28:15 -0500
commit73393232d6a425b6bb4cee590e3e66fc52532a15 (patch)
treee0df6bd41e665a307856b29c216473969fe88575 /net/sunrpc/sunrpc_syms.c
parent0a402d5a653ee2b613aaba3092a87b1e964622ce (diff)
downloadblackbird-op-linux-73393232d6a425b6bb4cee590e3e66fc52532a15.tar.gz
blackbird-op-linux-73393232d6a425b6bb4cee590e3e66fc52532a15.zip
SUNRPC: create unix gid cache per network namespace
v2: 1) fixed silly usage of template cache as a real one (this code left from static global cache for all) This patch makes unix_gid_cache cache detail allocated and registered per network namespace context. Thus with this patch unix_gid_cache contents for network namespace "X" are controlled from proc file system mount for the same network namespace "X". Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Acked-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'net/sunrpc/sunrpc_syms.c')
-rw-r--r--net/sunrpc/sunrpc_syms.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index b4217dc8599c..38a72a1b465b 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -26,6 +26,9 @@
int sunrpc_net_id;
+extern int unix_gid_cache_create(struct net *net);
+extern int unix_gid_cache_destroy(struct net *net);
+
static __net_init int sunrpc_init_net(struct net *net)
{
int err;
@@ -39,11 +42,17 @@ static __net_init int sunrpc_init_net(struct net *net)
if (err)
goto err_ipmap;
+ err = unix_gid_cache_create(net);
+ if (err)
+ goto err_unixgid;
+
rpc_pipefs_init_net(net);
INIT_LIST_HEAD(&sn->all_clients);
spin_lock_init(&sn->rpc_client_lock);
return 0;
+err_unixgid:
+ ip_map_cache_destroy(net);
err_ipmap:
rpc_proc_exit(net);
err_proc:
@@ -52,6 +61,7 @@ err_proc:
static __net_exit void sunrpc_exit_net(struct net *net)
{
+ unix_gid_cache_destroy(net);
ip_map_cache_destroy(net);
rpc_proc_exit(net);
}
@@ -63,8 +73,6 @@ static struct pernet_operations sunrpc_net_ops = {
.size = sizeof(struct sunrpc_net),
};
-extern struct cache_detail unix_gid_cache;
-
static int __init
init_sunrpc(void)
{
@@ -86,7 +94,6 @@ init_sunrpc(void)
#ifdef RPC_DEBUG
rpc_register_sysctl();
#endif
- cache_register(&unix_gid_cache);
svc_init_xprt_sock(); /* svc sock transport */
init_socket_xprt(); /* clnt sock transport */
return 0;
@@ -109,7 +116,6 @@ cleanup_sunrpc(void)
svc_cleanup_xprt_sock();
unregister_rpc_pipefs();
rpc_destroy_mempool();
- cache_unregister(&unix_gid_cache);
unregister_pernet_subsys(&sunrpc_net_ops);
#ifdef RPC_DEBUG
rpc_unregister_sysctl();
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