1141 static struct cgroup_root *cgroup_root_from_kf(struct kernfs_root *kf_root)  in cgroup_root_from_kf()  argument
1143 	struct cgroup *root_cgrp = kf_root->kn->priv;  in cgroup_root_from_kf()
1215 	kernfs_destroy_root(root->kf_root);  in cgroup_destroy_root()
1633 			    struct kernfs_root *kf_root)  in cgroup_show_path()  argument
1637 	struct cgroup_root *kf_cgroot = cgroup_root_from_kf(kf_root);  in cgroup_show_path()
1660 			       struct kernfs_root *kf_root)  in cgroup_show_options()  argument
1662 	struct cgroup_root *root = cgroup_root_from_kf(kf_root);  in cgroup_show_options()
1830 static int cgroup_remount(struct kernfs_root *kf_root, int *flags, char *data)  in cgroup_remount()  argument
1833 	struct cgroup_root *root = cgroup_root_from_kf(kf_root);  in cgroup_remount()
2025 	root->kf_root = kernfs_create_root(&cgroup_kf_syscall_ops,  in cgroup_setup_root()
2028 	if (IS_ERR(root->kf_root)) {  in cgroup_setup_root()
2029 		ret = PTR_ERR(root->kf_root);  in cgroup_setup_root()
2032 	root_cgrp->kn = root->kf_root->kn;  in cgroup_setup_root()
2072 	kernfs_destroy_root(root->kf_root);  in cgroup_setup_root()
2073 	root->kf_root = NULL;  in cgroup_setup_root()
2197 		pinned_sb = kernfs_pin_sb(root->kf_root, NULL);  in cgroup_mount()
2251 	dentry = kernfs_mount(fs_type, flags, root->kf_root,  in cgroup_mount()
2295 	struct kernfs_root *kf_root = kernfs_root_from_sb(sb);  in cgroup_kill_sb()  local
2296 	struct cgroup_root *root = cgroup_root_from_kf(kf_root);  in cgroup_kill_sb()