kernfs_new_node
kn = kernfs_new_node(parent, name, mode | S_IFDIR,
kn = kernfs_new_node(parent, name, S_IRUGO|S_IXUGO|S_IFDIR,
kn = kernfs_new_node(parent, name, (mode & S_IALLUGO) | S_IFREG,
struct kernfs_node *kernfs_new_node(struct kernfs_node *parent,
kn = kernfs_new_node(parent, name, S_IFLNK|0777, uid, gid, KERNFS_LINK);