67 	struct iscsi_tiqn *tiqn = NULL;  in iscsit_get_tiqn_for_login()  local
70 	list_for_each_entry(tiqn, &g_tiqn_list, tiqn_list) {  in iscsit_get_tiqn_for_login()
71 		if (!strcmp(tiqn->tiqn, buf)) {  in iscsit_get_tiqn_for_login()
73 			spin_lock(&tiqn->tiqn_state_lock);  in iscsit_get_tiqn_for_login()
74 			if (tiqn->tiqn_state == TIQN_STATE_ACTIVE) {  in iscsit_get_tiqn_for_login()
75 				tiqn->tiqn_access_count++;  in iscsit_get_tiqn_for_login()
76 				spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_get_tiqn_for_login()
78 				return tiqn;  in iscsit_get_tiqn_for_login()
80 			spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_get_tiqn_for_login()
88 static int iscsit_set_tiqn_shutdown(struct iscsi_tiqn *tiqn)  in iscsit_set_tiqn_shutdown()  argument
90 	spin_lock(&tiqn->tiqn_state_lock);  in iscsit_set_tiqn_shutdown()
91 	if (tiqn->tiqn_state == TIQN_STATE_ACTIVE) {  in iscsit_set_tiqn_shutdown()
92 		tiqn->tiqn_state = TIQN_STATE_SHUTDOWN;  in iscsit_set_tiqn_shutdown()
93 		spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_set_tiqn_shutdown()
96 	spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_set_tiqn_shutdown()
101 void iscsit_put_tiqn_for_login(struct iscsi_tiqn *tiqn)  in iscsit_put_tiqn_for_login()  argument
103 	spin_lock(&tiqn->tiqn_state_lock);  in iscsit_put_tiqn_for_login()
104 	tiqn->tiqn_access_count--;  in iscsit_put_tiqn_for_login()
105 	spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_put_tiqn_for_login()
114 	struct iscsi_tiqn *tiqn = NULL;  in iscsit_add_tiqn()  local
123 	tiqn = kzalloc(sizeof(*tiqn), GFP_KERNEL);  in iscsit_add_tiqn()
124 	if (!tiqn)  in iscsit_add_tiqn()
127 	sprintf(tiqn->tiqn, "%s", buf);  in iscsit_add_tiqn()
128 	INIT_LIST_HEAD(&tiqn->tiqn_list);  in iscsit_add_tiqn()
129 	INIT_LIST_HEAD(&tiqn->tiqn_tpg_list);  in iscsit_add_tiqn()
130 	spin_lock_init(&tiqn->tiqn_state_lock);  in iscsit_add_tiqn()
131 	spin_lock_init(&tiqn->tiqn_tpg_lock);  in iscsit_add_tiqn()
132 	spin_lock_init(&tiqn->sess_err_stats.lock);  in iscsit_add_tiqn()
133 	spin_lock_init(&tiqn->login_stats.lock);  in iscsit_add_tiqn()
134 	spin_lock_init(&tiqn->logout_stats.lock);  in iscsit_add_tiqn()
136 	tiqn->tiqn_state = TIQN_STATE_ACTIVE;  in iscsit_add_tiqn()
146 		kfree(tiqn);  in iscsit_add_tiqn()
149 	tiqn->tiqn_index = ret;  in iscsit_add_tiqn()
150 	list_add_tail(&tiqn->tiqn_list, &g_tiqn_list);  in iscsit_add_tiqn()
155 	pr_debug("CORE[0] - Added iSCSI Target IQN: %s\n", tiqn->tiqn);  in iscsit_add_tiqn()
157 	return tiqn;  in iscsit_add_tiqn()
161 static void iscsit_wait_for_tiqn(struct iscsi_tiqn *tiqn)  in iscsit_wait_for_tiqn()  argument
166 	spin_lock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
167 	while (tiqn->tiqn_access_count != 0) {  in iscsit_wait_for_tiqn()
168 		spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
170 		spin_lock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
172 	spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
175 void iscsit_del_tiqn(struct iscsi_tiqn *tiqn)  in iscsit_del_tiqn()  argument
183 	if (iscsit_set_tiqn_shutdown(tiqn) < 0) {  in iscsit_del_tiqn()
188 	iscsit_wait_for_tiqn(tiqn);  in iscsit_del_tiqn()
191 	list_del(&tiqn->tiqn_list);  in iscsit_del_tiqn()
192 	idr_remove(&tiqn_idr, tiqn->tiqn_index);  in iscsit_del_tiqn()
196 			tiqn->tiqn);  in iscsit_del_tiqn()
197 	kfree(tiqn);  in iscsit_del_tiqn()
251 	struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;  in iscsit_deaccess_np()  local
258 	if (tiqn)  in iscsit_deaccess_np()
259 		iscsit_put_tiqn_for_login(tiqn);  in iscsit_deaccess_np()
2454 	struct iscsi_tiqn *tiqn = iscsit_snmp_get_tiqn(conn);  in iscsit_handle_logout_cmd()  local
2459 	if (tiqn) {  in iscsit_handle_logout_cmd()
2460 		spin_lock(&tiqn->logout_stats.lock);  in iscsit_handle_logout_cmd()
2462 			tiqn->logout_stats.normal_logouts++;  in iscsit_handle_logout_cmd()
2464 			tiqn->logout_stats.abnormal_logouts++;  in iscsit_handle_logout_cmd()
2465 		spin_unlock(&tiqn->logout_stats.lock);  in iscsit_handle_logout_cmd()
3344 	struct iscsi_tiqn *tiqn;  in iscsit_build_sendtargets_response()  local
3378 	list_for_each_entry(tiqn, &g_tiqn_list, tiqn_list) {  in iscsit_build_sendtargets_response()
3380 		     strcmp(tiqn->tiqn, text_ptr)) {  in iscsit_build_sendtargets_response()
3386 		spin_lock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()
3387 		list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {  in iscsit_build_sendtargets_response()
3419 						      tiqn->tiqn);  in iscsit_build_sendtargets_response()
3424 						spin_unlock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()
3453 					spin_unlock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()
3469 		spin_unlock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()