systemd/SOURCES/0697-pid1-add-a-manager_trigger_run_queue-helper.patch

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2022-03-29 19:05:02 +00:00
From 5a218b6820be7ffaf21cd42cd4c96b47d18442ee Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 12 Nov 2021 09:43:07 +0100
Subject: [PATCH] pid1: add a manager_trigger_run_queue() helper
We have two different places where we re-trigger the run queue now.
let's unify it under a common function, that is part of the Manager
code.
Follow-up for #20953
(cherry picked from commit b0c4b2824693fe6a27ea9439ec7a6328a0e23704)
Related: #2036608
---
src/core/job.c | 5 ++---
src/core/manager.c | 12 ++++++++++++
src/core/manager.h | 2 ++
src/core/mount.c | 9 +++------
4 files changed, 19 insertions(+), 9 deletions(-)
diff --git a/src/core/job.c b/src/core/job.c
index 43ab55ed18..55f36b928f 100644
--- a/src/core/job.c
+++ b/src/core/job.c
@@ -1139,11 +1139,10 @@ void job_add_to_run_queue(Job *j) {
if (j->in_run_queue)
return;
- if (!j->manager->run_queue)
- sd_event_source_set_enabled(j->manager->run_queue_event_source, SD_EVENT_ONESHOT);
-
LIST_PREPEND(run_queue, j->manager->run_queue, j);
j->in_run_queue = true;
+
+ manager_trigger_run_queue(j->manager);
}
void job_add_to_dbus_queue(Job *j) {
diff --git a/src/core/manager.c b/src/core/manager.c
index ee976f70b3..845c26f498 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -2120,6 +2120,18 @@ static int manager_dispatch_run_queue(sd_event_source *source, void *userdata) {
return 1;
}
+void manager_trigger_run_queue(Manager *m) {
+ int r;
+
+ assert(m);
+
+ r = sd_event_source_set_enabled(
+ m->run_queue_event_source,
+ m->run_queue ? SD_EVENT_ONESHOT: SD_EVENT_OFF);
+ if (r < 0)
+ log_warning_errno(r, "Failed to enable job run queue event source, ignoring: %m");
+}
+
static unsigned manager_dispatch_dbus_queue(Manager *m) {
unsigned n = 0, budget;
Unit *u;
diff --git a/src/core/manager.h b/src/core/manager.h
index c4b8e80093..7b572c8dfd 100644
--- a/src/core/manager.h
+++ b/src/core/manager.h
@@ -416,6 +416,8 @@ unsigned manager_dispatch_load_queue(Manager *m);
int manager_environment_add(Manager *m, char **minus, char **plus);
int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit);
+void manager_trigger_run_queue(Manager *m);
+
int manager_loop(Manager *m);
int manager_open_serialization(Manager *m, FILE **_f);
diff --git a/src/core/mount.c b/src/core/mount.c
index bdba9e6884..c17154cde1 100644
--- a/src/core/mount.c
+++ b/src/core/mount.c
@@ -1712,15 +1712,12 @@ static bool mount_is_mounted(Mount *m) {
static int mount_on_ratelimit_expire(sd_event_source *s, void *userdata) {
Manager *m = userdata;
- int r;
assert(m);
- /* By entering ratelimited state we made all mount start jobs not runnable, now rate limit is over so let's
- * make sure we dispatch them in the next iteration. */
- r = sd_event_source_set_enabled(m->run_queue_event_source, SD_EVENT_ONESHOT);
- if (r < 0)
- log_debug_errno(r, "Failed to enable run queue event source, ignoring: %m");
+ /* By entering ratelimited state we made all mount start jobs not runnable, now rate limit is over so
+ * let's make sure we dispatch them in the next iteration. */
+ manager_trigger_run_queue(m);
return 0;
}