1287 struct cgroup_root *cgroup_root_from_kf(struct kernfs_root *kf_root)  in cgroup_root_from_kf()  argument
1289 	struct cgroup *root_cgrp = kernfs_root_to_node(kf_root)->priv;  in cgroup_root_from_kf()
1375 	kernfs_destroy_root(root->kf_root);  in cgroup_destroy_root()
1909 		     struct kernfs_root *kf_root)  in cgroup_show_path()  argument
1913 	struct cgroup_root *kf_cgroot = cgroup_root_from_kf(kf_root);  in cgroup_show_path()
2028 static int cgroup_show_options(struct seq_file *seq, struct kernfs_root *kf_root)  in cgroup_show_options()  argument
2131 	root->kf_root = kernfs_create_root(kf_sops,  in cgroup_setup_root()
2137 	if (IS_ERR(root->kf_root)) {  in cgroup_setup_root()
2138 		ret = PTR_ERR(root->kf_root);  in cgroup_setup_root()
2141 	root_cgrp->kn = kernfs_root_to_node(root->kf_root);  in cgroup_setup_root()
2193 	kernfs_destroy_root(root->kf_root);  in cgroup_setup_root()
2194 	root->kf_root = NULL;  in cgroup_setup_root()
2209 	ctx->kfc.root = ctx->root->kf_root;  in cgroup_do_get_tree()
2323 	struct kernfs_root *kf_root = kernfs_root_from_sb(sb);  in cgroup_kill_sb()  local
2324 	struct cgroup_root *root = cgroup_root_from_kf(kf_root);  in cgroup_kill_sb()
6323 	kn = kernfs_find_and_get_node_by_id(cgrp_dfl_root.kf_root, id);  in cgroup_path_from_kernfs_id()
6341 	kn = kernfs_find_and_get_node_by_id(cgrp_dfl_root.kf_root, id);  in cgroup_get_from_id()