journald: copy metrics/compression state from template when rotating

src/journal/journal-file.c

@@ -1740,6 +1740,11 @@ int journal_file_open(
         f->writable = (flags & O_ACCMODE) != O_RDONLY;
         f->prot = prot_from_flags(flags);
 
+        if (template) {
+                f->metrics = template->metrics;
+                f->compress = template->compress;
+        }
+
         f->path = strdup(fname);
         if (!f->path) {
                 r = -ENOMEM;

src/journal/journald.c

@@ -308,8 +308,6 @@ static JournalFile* find_journal(Server *s, uid_t uid) {
                 return s->system_journal;
 
         server_fix_perms(s, f, uid);
-        f->metrics = s->system_metrics;
-        f->compress = s->compress;
 
         r = hashmap_put(s->user_journals, UINT32_TO_PTR(uid), f);
         if (r < 0) {