mqfs_create_node
node = mqfs_create_node(name, namelen, cred, mode, mqfstype_file);
node = mqfs_create_node(name, namelen, cred, mode, mqfstype_dir);
node = mqfs_create_node(name, namelen, cred, mode, mqfstype_symlink);
root = mqfs_create_node("/", 1, curthread->td_ucred, 01777,