systemd/SOURCES/0902-journald-server-always-create-state-file-in-signal-h.patch

From 0491902d0eff9f4480ce873decc5dd29e5e189d7 Mon Sep 17 00:00:00 2001
From: David Tardon <dtardon@redhat.com>
Date: Mon, 13 Mar 2023 14:22:28 +0100
Subject: [PATCH] journald-server: always create state file in signal handler

`journalctl --flush` waits on that file, so we must create if even if
nothing has really happened.

RHEL-only

Resolves: #2176892
---
 src/journal/journald-server.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
index 279a32768c..c72cb68095 100644
--- a/src/journal/journald-server.c
+++ b/src/journal/journald-server.c
@@ -1188,6 +1188,7 @@ int server_process_datagram(sd_event_source *es, int fd, uint32_t revents, void
 
 static int dispatch_sigusr1(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
         Server *s = userdata;
+        int r;
 
         assert(s);
 
@@ -1197,6 +1198,10 @@ static int dispatch_sigusr1(sd_event_source *es, const struct signalfd_siginfo *
         server_sync(s);
         server_vacuum(s, false);
 
+        r = touch("/run/systemd/journal/flushed");
+        if (r < 0)
+                log_warning_errno(r, "Failed to touch /run/systemd/journal/flushed, ignoring: %m");
+
         server_space_usage_message(s, NULL);
         return 0;
 }