nlmsvc_file_file
if (!locks_can_async_lock(nlmsvc_file_file(file)->f_op)) {
if (locks_can_async_lock(nlmsvc_file_file(file)->f_op) &&
return file_inode(nlmsvc_file_file(file));
return exportfs_cannot_lock(nlmsvc_file_file(file)->f_path.dentry->d_sb->s_export_op);