72 	struct iscsi_tiqn *tiqn = NULL;  in iscsit_get_tiqn_for_login()  local
75 	list_for_each_entry(tiqn, &g_tiqn_list, tiqn_list) {  in iscsit_get_tiqn_for_login()
76 		if (!strcmp(tiqn->tiqn, buf)) {  in iscsit_get_tiqn_for_login()
78 			spin_lock(&tiqn->tiqn_state_lock);  in iscsit_get_tiqn_for_login()
79 			if (tiqn->tiqn_state == TIQN_STATE_ACTIVE) {  in iscsit_get_tiqn_for_login()
80 				tiqn->tiqn_access_count++;  in iscsit_get_tiqn_for_login()
81 				spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_get_tiqn_for_login()
83 				return tiqn;  in iscsit_get_tiqn_for_login()
85 			spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_get_tiqn_for_login()
93 static int iscsit_set_tiqn_shutdown(struct iscsi_tiqn *tiqn)  in iscsit_set_tiqn_shutdown()  argument
95 	spin_lock(&tiqn->tiqn_state_lock);  in iscsit_set_tiqn_shutdown()
96 	if (tiqn->tiqn_state == TIQN_STATE_ACTIVE) {  in iscsit_set_tiqn_shutdown()
97 		tiqn->tiqn_state = TIQN_STATE_SHUTDOWN;  in iscsit_set_tiqn_shutdown()
98 		spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_set_tiqn_shutdown()
101 	spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_set_tiqn_shutdown()
106 void iscsit_put_tiqn_for_login(struct iscsi_tiqn *tiqn)  in iscsit_put_tiqn_for_login()  argument
108 	spin_lock(&tiqn->tiqn_state_lock);  in iscsit_put_tiqn_for_login()
109 	tiqn->tiqn_access_count--;  in iscsit_put_tiqn_for_login()
110 	spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_put_tiqn_for_login()
119 	struct iscsi_tiqn *tiqn = NULL;  in iscsit_add_tiqn()  local
128 	tiqn = kzalloc(sizeof(struct iscsi_tiqn), GFP_KERNEL);  in iscsit_add_tiqn()
129 	if (!tiqn) {  in iscsit_add_tiqn()
134 	sprintf(tiqn->tiqn, "%s", buf);  in iscsit_add_tiqn()
135 	INIT_LIST_HEAD(&tiqn->tiqn_list);  in iscsit_add_tiqn()
136 	INIT_LIST_HEAD(&tiqn->tiqn_tpg_list);  in iscsit_add_tiqn()
137 	spin_lock_init(&tiqn->tiqn_state_lock);  in iscsit_add_tiqn()
138 	spin_lock_init(&tiqn->tiqn_tpg_lock);  in iscsit_add_tiqn()
139 	spin_lock_init(&tiqn->sess_err_stats.lock);  in iscsit_add_tiqn()
140 	spin_lock_init(&tiqn->login_stats.lock);  in iscsit_add_tiqn()
141 	spin_lock_init(&tiqn->logout_stats.lock);  in iscsit_add_tiqn()
143 	tiqn->tiqn_state = TIQN_STATE_ACTIVE;  in iscsit_add_tiqn()
153 		kfree(tiqn);  in iscsit_add_tiqn()
156 	tiqn->tiqn_index = ret;  in iscsit_add_tiqn()
157 	list_add_tail(&tiqn->tiqn_list, &g_tiqn_list);  in iscsit_add_tiqn()
162 	pr_debug("CORE[0] - Added iSCSI Target IQN: %s\n", tiqn->tiqn);  in iscsit_add_tiqn()
164 	return tiqn;  in iscsit_add_tiqn()
168 static void iscsit_wait_for_tiqn(struct iscsi_tiqn *tiqn)  in iscsit_wait_for_tiqn()  argument
173 	spin_lock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
174 	while (tiqn->tiqn_access_count != 0) {  in iscsit_wait_for_tiqn()
175 		spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
177 		spin_lock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
179 	spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
182 void iscsit_del_tiqn(struct iscsi_tiqn *tiqn)  in iscsit_del_tiqn()  argument
190 	if (iscsit_set_tiqn_shutdown(tiqn) < 0) {  in iscsit_del_tiqn()
195 	iscsit_wait_for_tiqn(tiqn);  in iscsit_del_tiqn()
198 	list_del(&tiqn->tiqn_list);  in iscsit_del_tiqn()
199 	idr_remove(&tiqn_idr, tiqn->tiqn_index);  in iscsit_del_tiqn()
203 			tiqn->tiqn);  in iscsit_del_tiqn()
204 	kfree(tiqn);  in iscsit_del_tiqn()
258 	struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;  in iscsit_deaccess_np()  local
265 	if (tiqn)  in iscsit_deaccess_np()
266 		iscsit_put_tiqn_for_login(tiqn);  in iscsit_deaccess_np()
2269 	struct iscsi_tiqn *tiqn = iscsit_snmp_get_tiqn(conn);  in iscsit_handle_logout_cmd()  local
2274 	if (tiqn) {  in iscsit_handle_logout_cmd()
2275 		spin_lock(&tiqn->logout_stats.lock);  in iscsit_handle_logout_cmd()
2277 			tiqn->logout_stats.normal_logouts++;  in iscsit_handle_logout_cmd()
2279 			tiqn->logout_stats.abnormal_logouts++;  in iscsit_handle_logout_cmd()
2280 		spin_unlock(&tiqn->logout_stats.lock);  in iscsit_handle_logout_cmd()
3395 	struct iscsi_tiqn *tiqn;  in iscsit_build_sendtargets_response()  local
3430 	list_for_each_entry(tiqn, &g_tiqn_list, tiqn_list) {  in iscsit_build_sendtargets_response()
3432 		     strcmp(tiqn->tiqn, text_ptr)) {  in iscsit_build_sendtargets_response()
3438 		spin_lock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()
3439 		list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {  in iscsit_build_sendtargets_response()
3472 						      tiqn->tiqn);  in iscsit_build_sendtargets_response()
3477 						spin_unlock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()
3509 					spin_unlock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()
3525 		spin_unlock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()