target/iscsi/iscsi_target_tpg.c

129 	struct iscsi_tpg_np *tpg_np;
142 		list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
143 			if (tpg_np->tpg_np == np) {
144 				*tpg_np_out = tpg_np;
145 				kref_get(&tpg_np->tpg_np_kref);
170 	struct iscsi_tpg_np *tpg_np,
174 	if (!tpg_np->tpg_np) {
175 		pr_err("struct iscsi_tpg_np->tpg_np is NULL!\n");
180 		tpg_np->tpg_np->enabled = false;
181 	iscsit_reset_np_thread(tpg_np->tpg_np, tpg_np, tpg, shutdown);
188 	struct iscsi_tpg_np *tpg_np;
191 	list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
192 		if (!tpg_np->tpg_np) {
193 			pr_err("struct iscsi_tpg_np->tpg_np is NULL!\n");
197 		iscsit_clear_tpg_np_login_thread(tpg_np, tpg, shutdown);
397 	struct iscsi_tpg_np *tpg_np,
402 	spin_lock(&tpg_np->tpg_np_parent_lock);
404 			&tpg_np->tpg_np_parent_list, tpg_np_child_list) {
405 		if (tpg_np_child->tpg_np->np_network_transport ==
407 			spin_unlock(&tpg_np->tpg_np_parent_lock);
411 	spin_unlock(&tpg_np->tpg_np_parent_lock);
422 	struct iscsi_tpg_np *tpg_np;
430 		list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
431 			np = tpg_np->tpg_np;
455 	struct iscsi_tpg_np *tpg_np;
467 	tpg_np = kzalloc(sizeof(struct iscsi_tpg_np), GFP_KERNEL);
468 	if (!tpg_np) {
476 		kfree(tpg_np);
480 	INIT_LIST_HEAD(&tpg_np->tpg_np_list);
481 	INIT_LIST_HEAD(&tpg_np->tpg_np_child_list);
482 	INIT_LIST_HEAD(&tpg_np->tpg_np_parent_list);
483 	spin_lock_init(&tpg_np->tpg_np_parent_lock);
484 	init_completion(&tpg_np->tpg_np_comp);
485 	kref_init(&tpg_np->tpg_np_kref);
486 	tpg_np->tpg_np		= np;
487 	tpg_np->tpg		= tpg;
490 	list_add_tail(&tpg_np->tpg_np_list, &tpg->tpg_gnp_list);
497 		tpg_np->tpg_np_parent = tpg_np_parent;
499 		list_add_tail(&tpg_np->tpg_np_child_list,
508 	return tpg_np;
512 	struct iscsi_tpg_np *tpg_np,
516 	iscsit_clear_tpg_np_login_thread(tpg_np, tpg, true);
522 	tpg_np->tpg_np = NULL;
523 	tpg_np->tpg = NULL;
524 	kfree(tpg_np);
533 	struct iscsi_tpg_np *tpg_np)
539 	np = tpg_np->tpg_np;
546 	if (!tpg_np->tpg_np_parent) {
549 		 * child tpg_np's (eg: the non ISCSI_TCP ones) on our parent
553 				&tpg_np->tpg_np_parent_list,
565 		spin_lock(&tpg_np->tpg_np_parent->tpg_np_parent_lock);
566 		list_del(&tpg_np->tpg_np_child_list);
567 		spin_unlock(&tpg_np->tpg_np_parent->tpg_np_parent_lock);
571 	list_del(&tpg_np->tpg_np_list);
577 	return iscsit_tpg_release_np(tpg_np, tpg, np);