332 	struct cgroup *cgrp = of->kn->parent->priv;  in of_css()
853 	struct cgroup *root_cgrp = kf_root->kn->priv;  in cgroup_root_from_kf()
1132 static void cgroup_kn_unlock(struct kernfs_node *kn)  in cgroup_kn_unlock()  argument
1136 	if (kernfs_type(kn) == KERNFS_DIR)  in cgroup_kn_unlock()
1137 		cgrp = kn->priv;  in cgroup_kn_unlock()
1139 		cgrp = kn->parent->priv;  in cgroup_kn_unlock()
1143 	kernfs_unbreak_active_protection(kn);  in cgroup_kn_unlock()
1162 static struct cgroup *cgroup_kn_lock_live(struct kernfs_node *kn)  in cgroup_kn_lock_live()  argument
1166 	if (kernfs_type(kn) == KERNFS_DIR)  in cgroup_kn_lock_live()
1167 		cgrp = kn->priv;  in cgroup_kn_lock_live()
1169 		cgrp = kn->parent->priv;  in cgroup_kn_lock_live()
1179 	kernfs_break_active_protection(kn);  in cgroup_kn_lock_live()
1186 	cgroup_kn_unlock(kn);  in cgroup_kn_lock_live()
1195 	kernfs_remove_by_name(cgrp->kn, cgroup_file_name(cgrp, cft, name));  in cgroup_rm_file()
1309 	kernfs_activate(dst_root->cgrp.kn);  in rebind_subsystems()
1686 	root_cgrp->kn = root->kf_root->kn;  in cgroup_setup_root()
1721 	kernfs_activate(root_cgrp->kn);  in cgroup_setup_root()
2395 	cgrp = cgroup_kn_lock_live(of->kn);  in __cgroup_procs_write()
2462 	cgroup_kn_unlock(of->kn);  in __cgroup_procs_write()
2516 	cgrp = cgroup_kn_lock_live(of->kn);  in cgroup_release_agent_write()
2523 	cgroup_kn_unlock(of->kn);  in cgroup_release_agent_write()
2726 	cgrp = cgroup_kn_lock_live(of->kn);  in cgroup_subtree_control_write()
2808 			cgroup_kn_unlock(of->kn);  in cgroup_subtree_control_write()
2893 	kernfs_activate(cgrp->kn);  in cgroup_subtree_control_write()
2896 	cgroup_kn_unlock(of->kn);  in cgroup_subtree_control_write()
2931 	struct cgroup *cgrp = of->kn->parent->priv;  in cgroup_file_write()
2932 	struct cftype *cft = of->kn->priv;  in cgroup_file_write()
3016 static int cgroup_rename(struct kernfs_node *kn, struct kernfs_node *new_parent,  in cgroup_rename()  argument
3019 	struct cgroup *cgrp = kn->priv;  in cgroup_rename()
3022 	if (kernfs_type(kn) != KERNFS_DIR)  in cgroup_rename()
3024 	if (kn->parent != new_parent)  in cgroup_rename()
3040 	kernfs_break_active_protection(kn);  in cgroup_rename()
3044 	ret = kernfs_rename(kn, new_parent, new_name_str);  in cgroup_rename()
3048 	kernfs_unbreak_active_protection(kn);  in cgroup_rename()
3054 static int cgroup_kn_set_ugid(struct kernfs_node *kn)  in cgroup_kn_set_ugid()  argument
3064 	return kernfs_setattr(kn, &iattr);  in cgroup_kn_set_ugid()
3070 	struct kernfs_node *kn;  in cgroup_add_file()  local
3077 	kn = __kernfs_create_file(cgrp->kn, cgroup_file_name(cgrp, cft, name),  in cgroup_add_file()
3080 	if (IS_ERR(kn))  in cgroup_add_file()
3081 		return PTR_ERR(kn);  in cgroup_add_file()
3083 	ret = cgroup_kn_set_ugid(kn);  in cgroup_add_file()
3085 		kernfs_remove(kn);  in cgroup_add_file()
3090 		cgrp->populated_kn = kn;  in cgroup_add_file()
3161 		kernfs_activate(root->kn);  in cgroup_apply_cftypes()
4045 	struct kernfs_node *kn = kernfs_node_from_dentry(dentry);  in cgroupstats_build()  local
4051 	if (dentry->d_sb->s_type != &cgroup_fs_type || !kn ||  in cgroupstats_build()
4052 	    kernfs_type(kn) != KERNFS_DIR)  in cgroupstats_build()
4063 	cgrp = rcu_dereference(kn->priv);  in cgroupstats_build()
4403 			kernfs_put(cgrp->kn);  in css_free_work_fn()
4454 		RCU_INIT_POINTER(*(void __rcu __force **)&cgrp->kn->priv, NULL);  in css_release_work_fn()
4612 	struct kernfs_node *kn;  in cgroup_mkdir()  local
4659 	kn = kernfs_create_dir(parent->kn, name, mode, cgrp);  in cgroup_mkdir()
4660 	if (IS_ERR(kn)) {  in cgroup_mkdir()
4661 		ret = PTR_ERR(kn);  in cgroup_mkdir()
4664 	cgrp->kn = kn;  in cgroup_mkdir()
4670 	kernfs_get(kn);  in cgroup_mkdir()
4685 	ret = cgroup_kn_set_ugid(kn);  in cgroup_mkdir()
4717 	kernfs_activate(kn);  in cgroup_mkdir()
4874 	kernfs_remove(cgrp->kn);  in cgroup_destroy_locked()
4884 static int cgroup_rmdir(struct kernfs_node *kn)  in cgroup_rmdir()  argument
4889 	cgrp = cgroup_kn_lock_live(kn);  in cgroup_rmdir()
4895 	cgroup_kn_unlock(kn);  in cgroup_rmdir()
5429 	struct kernfs_node *kn = kernfs_node_from_dentry(dentry);  in css_tryget_online_from_dir()  local
5434 	if (dentry->d_sb->s_type != &cgroup_fs_type || !kn ||  in css_tryget_online_from_dir()
5435 	    kernfs_type(kn) != KERNFS_DIR)  in css_tryget_online_from_dir()
5445 	cgrp = rcu_dereference(kn->priv);  in css_tryget_online_from_dir()