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systemd/SOURCES/0696-mount-retrigger-run-qu...

55 lines
1.8 KiB

From b0c226e9fd3e6bfa5388832cc2745d9ec935f3ec Mon Sep 17 00:00:00 2001
From: Michal Sekletar <msekleta@redhat.com>
Date: Mon, 4 Oct 2021 20:31:49 +0200
Subject: [PATCH] mount: retrigger run queue after ratelimit expired to run
delayed mount start jobs
Fixes #20329
(cherry picked from commit edc027b4f1cfaa49e8ecdde763eb8c623402d464)
Related: #2036608
---
src/core/mount.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/src/core/mount.c b/src/core/mount.c
index ab09e6fbb0..bdba9e6884 100644
--- a/src/core/mount.c
+++ b/src/core/mount.c
@@ -1710,6 +1710,21 @@ static bool mount_is_mounted(Mount *m) {
return UNIT(m)->perpetual || m->is_mounted;
}
+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");
+
+ return 0;
+}
+
static void mount_enumerate(Manager *m) {
int r;
@@ -1763,6 +1778,12 @@ static void mount_enumerate(Manager *m) {
goto fail;
}
+ r = sd_event_source_set_ratelimit_expire_callback(m->mount_event_source, mount_on_ratelimit_expire);
+ if (r < 0) {
+ log_error_errno(r, "Failed to enable rate limit for mount events: %m");
+ goto fail;
+ }
+
(void) sd_event_source_set_description(m->mount_event_source, "mount-monitor-dispatch");
}