nfs41: recover lease in _nfs4_lookup_root

This creates the nfsv4.1 session on mount.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 64d611658d1f..31ce758d53d5 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2024,8 +2024,15 @@ static int _nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
                 .rpc_argp = &args,
                 .rpc_resp = &res,
         };
+        int status;
+
         nfs_fattr_init(info->fattr);
-        return nfs4_call_sync(server, &msg, &args, &res, 0);
+        status = nfs4_recover_expired_lease(server);
+        if (!status)
+                status = nfs4_check_client_ready(server->nfs_client);
+        if (!status)
+                status = nfs4_call_sync(server, &msg, &args, &res, 0);
+        return status;
 }
 
 static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,