NFS: Store the credential of the mount process in the nfs_server

Store the credential of the mount process so that we can determine
information such as the user namespace.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 1339ede979af..3ce246346f02 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -870,6 +870,7 @@ static int nfs4_set_client(struct nfs_server *server,
                 .minorversion = minorversion,
                 .net = net,
                 .timeparms = timeparms,
+                .cred = server->cred,
         };
         struct nfs_client *clp;
 
@@ -931,6 +932,7 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
                 .minorversion = minor_version,
                 .net = mds_clp->cl_net,
                 .timeparms = &ds_timeout,
+                .cred = mds_srv->cred,
         };
         char buf[INET6_ADDRSTRLEN + 1];
 
@@ -1107,6 +1109,8 @@ struct nfs_server *nfs4_create_server(struct nfs_mount_info *mount_info,
         if (!server)
                 return ERR_PTR(-ENOMEM);
 
+        server->cred = get_cred(current_cred());
+
         auth_probe = mount_info->parsed->auth_info.flavor_len < 1;
 
         /* set up the general RPC client */
@@ -1143,6 +1147,8 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data,
         parent_server = NFS_SB(data->sb);
         parent_client = parent_server->nfs_client;
 
+        server->cred = get_cred(parent_server->cred);
+
         /* Initialise the client representation from the parent server */
         nfs_server_copy_userdata(server, parent_server);