68 	struct iscsi_tiqn *tiqn = NULL;  in iscsit_get_tiqn_for_login()  local
71 	list_for_each_entry(tiqn, &g_tiqn_list, tiqn_list) {  in iscsit_get_tiqn_for_login()
72 		if (!strcmp(tiqn->tiqn, buf)) {  in iscsit_get_tiqn_for_login()
74 			spin_lock(&tiqn->tiqn_state_lock);  in iscsit_get_tiqn_for_login()
75 			if (tiqn->tiqn_state == TIQN_STATE_ACTIVE) {  in iscsit_get_tiqn_for_login()
76 				tiqn->tiqn_access_count++;  in iscsit_get_tiqn_for_login()
77 				spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_get_tiqn_for_login()
79 				return tiqn;  in iscsit_get_tiqn_for_login()
81 			spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_get_tiqn_for_login()
89 static int iscsit_set_tiqn_shutdown(struct iscsi_tiqn *tiqn)  in iscsit_set_tiqn_shutdown()  argument
91 	spin_lock(&tiqn->tiqn_state_lock);  in iscsit_set_tiqn_shutdown()
92 	if (tiqn->tiqn_state == TIQN_STATE_ACTIVE) {  in iscsit_set_tiqn_shutdown()
93 		tiqn->tiqn_state = TIQN_STATE_SHUTDOWN;  in iscsit_set_tiqn_shutdown()
94 		spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_set_tiqn_shutdown()
97 	spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_set_tiqn_shutdown()
102 void iscsit_put_tiqn_for_login(struct iscsi_tiqn *tiqn)  in iscsit_put_tiqn_for_login()  argument
104 	spin_lock(&tiqn->tiqn_state_lock);  in iscsit_put_tiqn_for_login()
105 	tiqn->tiqn_access_count--;  in iscsit_put_tiqn_for_login()
106 	spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_put_tiqn_for_login()
115 	struct iscsi_tiqn *tiqn = NULL;  in iscsit_add_tiqn()  local
124 	tiqn = kzalloc(sizeof(*tiqn), GFP_KERNEL);  in iscsit_add_tiqn()
125 	if (!tiqn)  in iscsit_add_tiqn()
128 	sprintf(tiqn->tiqn, "%s", buf);  in iscsit_add_tiqn()
129 	INIT_LIST_HEAD(&tiqn->tiqn_list);  in iscsit_add_tiqn()
130 	INIT_LIST_HEAD(&tiqn->tiqn_tpg_list);  in iscsit_add_tiqn()
131 	spin_lock_init(&tiqn->tiqn_state_lock);  in iscsit_add_tiqn()
132 	spin_lock_init(&tiqn->tiqn_tpg_lock);  in iscsit_add_tiqn()
133 	spin_lock_init(&tiqn->sess_err_stats.lock);  in iscsit_add_tiqn()
134 	spin_lock_init(&tiqn->login_stats.lock);  in iscsit_add_tiqn()
135 	spin_lock_init(&tiqn->logout_stats.lock);  in iscsit_add_tiqn()
137 	tiqn->tiqn_state = TIQN_STATE_ACTIVE;  in iscsit_add_tiqn()
147 		kfree(tiqn);  in iscsit_add_tiqn()
150 	tiqn->tiqn_index = ret;  in iscsit_add_tiqn()
151 	list_add_tail(&tiqn->tiqn_list, &g_tiqn_list);  in iscsit_add_tiqn()
156 	pr_debug("CORE[0] - Added iSCSI Target IQN: %s\n", tiqn->tiqn);  in iscsit_add_tiqn()
158 	return tiqn;  in iscsit_add_tiqn()
162 static void iscsit_wait_for_tiqn(struct iscsi_tiqn *tiqn)  in iscsit_wait_for_tiqn()  argument
167 	spin_lock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
168 	while (tiqn->tiqn_access_count != 0) {  in iscsit_wait_for_tiqn()
169 		spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
171 		spin_lock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
173 	spin_unlock(&tiqn->tiqn_state_lock);  in iscsit_wait_for_tiqn()
176 void iscsit_del_tiqn(struct iscsi_tiqn *tiqn)  in iscsit_del_tiqn()  argument
184 	if (iscsit_set_tiqn_shutdown(tiqn) < 0) {  in iscsit_del_tiqn()
189 	iscsit_wait_for_tiqn(tiqn);  in iscsit_del_tiqn()
192 	list_del(&tiqn->tiqn_list);  in iscsit_del_tiqn()
193 	idr_remove(&tiqn_idr, tiqn->tiqn_index);  in iscsit_del_tiqn()
197 			tiqn->tiqn);  in iscsit_del_tiqn()
198 	kfree(tiqn);  in iscsit_del_tiqn()
252 	struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;  in iscsit_deaccess_np()  local
259 	if (tiqn)  in iscsit_deaccess_np()
260 		iscsit_put_tiqn_for_login(tiqn);  in iscsit_deaccess_np()
2438 	struct iscsi_tiqn *tiqn = iscsit_snmp_get_tiqn(conn);  in iscsit_handle_logout_cmd()  local
2443 	if (tiqn) {  in iscsit_handle_logout_cmd()
2444 		spin_lock(&tiqn->logout_stats.lock);  in iscsit_handle_logout_cmd()
2446 			tiqn->logout_stats.normal_logouts++;  in iscsit_handle_logout_cmd()
2448 			tiqn->logout_stats.abnormal_logouts++;  in iscsit_handle_logout_cmd()
2449 		spin_unlock(&tiqn->logout_stats.lock);  in iscsit_handle_logout_cmd()
3326 	struct iscsi_tiqn *tiqn;  in iscsit_build_sendtargets_response()  local
3360 	list_for_each_entry(tiqn, &g_tiqn_list, tiqn_list) {  in iscsit_build_sendtargets_response()
3362 		     strcmp(tiqn->tiqn, text_ptr)) {  in iscsit_build_sendtargets_response()
3368 		spin_lock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()
3369 		list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {  in iscsit_build_sendtargets_response()
3401 						      tiqn->tiqn);  in iscsit_build_sendtargets_response()
3406 						spin_unlock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()
3435 					spin_unlock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()
3451 		spin_unlock(&tiqn->tiqn_tpg_lock);  in iscsit_build_sendtargets_response()