2539 int cgroup_migrate_vet_dst(struct cgroup *dst_cgrp)  in cgroup_migrate_vet_dst()  argument
2542 	if (!cgroup_on_dfl(dst_cgrp))  in cgroup_migrate_vet_dst()
2546 	if (!cgroup_is_valid_domain(dst_cgrp->dom_cgrp))  in cgroup_migrate_vet_dst()
2550 	if (cgroup_is_mixable(dst_cgrp))  in cgroup_migrate_vet_dst()
2557 	if (cgroup_can_be_thread_root(dst_cgrp) || cgroup_is_threaded(dst_cgrp))  in cgroup_migrate_vet_dst()
2561 	if (dst_cgrp->subtree_control)  in cgroup_migrate_vet_dst()
2614 			    struct cgroup *dst_cgrp,  in cgroup_migrate_add_src()  argument
2630 	src_cgrp = cset_cgroup_from_root(src_cset, dst_cgrp->root);  in cgroup_migrate_add_src()
2641 	src_cset->mg_dst_cgrp = dst_cgrp;  in cgroup_migrate_add_src()
2759 int cgroup_attach_task(struct cgroup *dst_cgrp, struct task_struct *leader,  in cgroup_attach_task()  argument
2771 		cgroup_migrate_add_src(task_css_set(task), dst_cgrp, &mgctx);  in cgroup_attach_task()
2786 		TRACE_CGROUP_PATH(attach_task, dst_cgrp, leader, threadgroup);  in cgroup_attach_task()
4817 					 struct cgroup *dst_cgrp,  in cgroup_procs_write_permission()  argument
4827 	while (!cgroup_is_descendant(dst_cgrp, com_cgrp))  in cgroup_procs_write_permission()
4841 	     !cgroup_is_descendant(dst_cgrp, ns->root_cset->dfl_cgrp)))  in cgroup_procs_write_permission()
4848 				     struct cgroup *dst_cgrp,  in cgroup_attach_permissions()  argument
4853 	ret = cgroup_procs_write_permission(src_cgrp, dst_cgrp, sb);  in cgroup_attach_permissions()
4857 	ret = cgroup_migrate_vet_dst(dst_cgrp);  in cgroup_attach_permissions()
4861 	if (!threadgroup && (src_cgrp->dom_cgrp != dst_cgrp->dom_cgrp))  in cgroup_attach_permissions()
4870 	struct cgroup *src_cgrp, *dst_cgrp;  in __cgroup_procs_write()  local
4875 	dst_cgrp = cgroup_kn_lock_live(of->kn, false);  in __cgroup_procs_write()
4876 	if (!dst_cgrp)  in __cgroup_procs_write()
4890 	ret = cgroup_attach_permissions(src_cgrp, dst_cgrp,  in __cgroup_procs_write()
4895 	ret = cgroup_attach_task(dst_cgrp, task, threadgroup);  in __cgroup_procs_write()
6058 	struct cgroup *dst_cgrp = NULL;  in cgroup_css_set_fork()  local
6085 	dst_cgrp = cgroup_get_from_file(f);  in cgroup_css_set_fork()
6086 	if (IS_ERR(dst_cgrp)) {  in cgroup_css_set_fork()
6087 		ret = PTR_ERR(dst_cgrp);  in cgroup_css_set_fork()
6088 		dst_cgrp = NULL;  in cgroup_css_set_fork()
6092 	if (cgroup_is_dead(dst_cgrp)) {  in cgroup_css_set_fork()
6102 	ret = cgroup_may_write(dst_cgrp, sb);  in cgroup_css_set_fork()
6106 	ret = cgroup_attach_permissions(cset->dfl_cgrp, dst_cgrp, sb,  in cgroup_css_set_fork()
6111 	kargs->cset = find_css_set(cset, dst_cgrp);  in cgroup_css_set_fork()
6119 	kargs->cgrp = dst_cgrp;  in cgroup_css_set_fork()
6127 	if (dst_cgrp)  in cgroup_css_set_fork()
6128 		cgroup_put(dst_cgrp);  in cgroup_css_set_fork()