NFS: make nfs_client_lock per net ns

This patch makes nfs_clients_lock allocated per network namespace. All items it
protects are already network namespace aware.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index 2f78f0ce2664..d2afcd8354ef 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -536,7 +536,7 @@ static int rpc_pipefs_event(struct notifier_block *nb, unsigned long event,
         struct nfs_client *clp;
         int error = 0;
 
-        spin_lock(&nfs_client_lock);
+        spin_lock(&nn->nfs_client_lock);
         list_for_each_entry(clp, &nn->nfs_client_list, cl_share_link) {
                 if (clp->rpc_ops != &nfs_v4_clientops)
                         continue;
@@ -544,7 +544,7 @@ static int rpc_pipefs_event(struct notifier_block *nb, unsigned long event,
                 if (error)
                         break;
         }
-        spin_unlock(&nfs_client_lock);
+        spin_unlock(&nn->nfs_client_lock);
         return error;
 }