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Fix various compiler warnings when built without systemd.
Submitted upstream at <https://www.redhat.com/archives/dm-devel/2020-May/thread.html>.
diff --git a/libmultipath/config.c b/libmultipath/config.c
--- a/libmultipath/config.c
+++ b/libmultipath/config.c
@@ -696,7 +696,7 @@ process_config_dir(struct config *conf, char *dir)
pthread_cleanup_pop(1);
}
-static void set_max_checkint_from_watchdog(struct config *conf)
+static void set_max_checkint_from_watchdog(__attribute__((unused)) struct config *conf)
{
#ifdef USE_SYSTEMD
char *envp = getenv("WATCHDOG_USEC");
diff --git a/multipathd/main.c b/multipathd/main.c
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -176,6 +176,7 @@ daemon_status(void)
/*
* I love you too, systemd ...
*/
+#ifdef USE_SYSTEMD
static const char *
sd_notify_status(enum daemon_status state)
{
@@ -195,7 +196,6 @@ sd_notify_status(enum daemon_status state)
return NULL;
}
-#ifdef USE_SYSTEMD
static void do_sd_notify(enum daemon_status old_state,
enum daemon_status new_state)
{
@@ -247,7 +247,9 @@ enum daemon_status wait_for_state_change_if(enum daemon_status oldstate,
static void __post_config_state(enum daemon_status state)
{
if (state != running_state && running_state != DAEMON_SHUTDOWN) {
- enum daemon_status old_state = running_state;
+ /* save state for sd_notify */
+ enum daemon_status
+ __attribute__((unused)) old_state = running_state;
running_state = state;
pthread_cond_broadcast(&config_cond);
@@ -272,7 +274,9 @@ int set_config_state(enum daemon_status state)
pthread_cleanup_push(config_cleanup, NULL);
pthread_mutex_lock(&config_lock);
if (running_state != state) {
- enum daemon_status old_state = running_state;
+ /* save state for sd_notify */
+ enum daemon_status
+ __attribute__((unused)) old_state = running_state;
if (running_state == DAEMON_SHUTDOWN)
rc = EINVAL;
@@ -2280,7 +2284,6 @@ checkerloop (void *ap)
struct timespec last_time;
struct config *conf;
int foreign_tick = 0;
- bool use_watchdog;
pthread_cleanup_push(rcu_unregister, NULL);
rcu_register_thread();
@@ -2292,11 +2295,15 @@ checkerloop (void *ap)
get_monotonic_time(&last_time);
last_time.tv_sec -= 1;
- /* use_watchdog is set from process environment and never changes */
conf = get_multipath_config();
- use_watchdog = conf->use_watchdog;
put_multipath_config(conf);
+#ifdef USE_SYSTEMD
+ /* use_watchdog is set from process environment and never changes */
+ bool use_watchdog;
+ use_watchdog = conf->use_watchdog;
+#endif
+
while (1) {
struct timespec diff_time, start_time, end_time;
int num_paths = 0, strict_timing, rc = 0;
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