Implement sd_notify() to inform systemd about our internal state. And we should be using the service type 'notify' so the systemd doesn't try to flood multipathd if it's still in discovery. Signed-off-by: Hannes Reinecke <hare@xxxxxxx> --- multipathd/main.c | 7 ++++++- multipathd/multipathd.service | 3 ++- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/multipathd/main.c b/multipathd/main.c index 91d7bfc..b4146fd 100644 --- a/multipathd/main.c +++ b/multipathd/main.c @@ -17,6 +17,7 @@ #include <limits.h> #include <linux/oom.h> #include <libudev.h> +#include <systemd/sd-daemon.h> #include <semaphore.h> #include <mpath_persist.h> @@ -1604,7 +1605,7 @@ child (void * param) } running_state = DAEMON_START; - + sd_notify(0, "STATUS=startup"); condlog(2, "--------start up--------"); condlog(2, "read " DEFAULT_CONFIGFILE); @@ -1672,6 +1673,7 @@ child (void * param) /* * fetch and configure both paths and multipaths */ + sd_notify(0, "STATUS=configure"); running_state = DAEMON_CONFIGURE; lock(vecs->lock); @@ -1700,11 +1702,14 @@ child (void * param) /* Ignore errors, we can live without */ running_state = DAEMON_RUNNING; + sd_notify(0, "READY=1\nSTATUS=running"); /* * exit path */ while(sem_wait(&exit_sem) != 0); /* Do nothing */ + + sd_notify(0, "STATUS=shutdown"); running_state = DAEMON_SHUTDOWN; lock(vecs->lock); if (conf->queue_without_daemon == QUE_NO_DAEMON_OFF) diff --git a/multipathd/multipathd.service b/multipathd/multipathd.service index bc62bc5..03b4270 100644 --- a/multipathd/multipathd.service +++ b/multipathd/multipathd.service @@ -6,9 +6,10 @@ DefaultDependencies=no Conflicts=shutdown.target [Service] +Type=notify +NotifyAccess=main ExecStart=/sbin/multipathd -d ExecReload=/sbin/multipathd reconfigure -ExecStop=/sbin/multipathd shutdown [Install] WantedBy=sysinit.target -- 1.8.1.4 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
