From dbf41699c4e6135ce1764298793ab57573f21dbf Mon Sep 17 00:00:00 2001
From: Chris Morin <cmtm@google.com>
Date: Mon, 25 Feb 2019 11:28:29 -0800
Subject: [PATCH] journal: allow setting maximum log level by PID instead of
 unit

---
 src/journal/journald-context.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/journal/journald-context.c b/src/journal/journald-context.c
index 7c51f2f633..3d30b797ef 100644
--- a/src/journal/journald-context.c
+++ b/src/journal/journald-context.c
@@ -353,13 +353,12 @@ static int client_context_read_log_level_max(
                 ClientContext *c) {
 
         _cleanup_free_ char *value = NULL;
-        const char *p;
+        _cleanup_free_ char *p;
         int r, ll;
 
-        if (!c->unit)
-                return 0;
-
-        p = strjoina("/run/systemd/units/log-level-max:", c->unit);
+        r = asprintf(&p, "/run/systemd/journal/pids/log-level-max:"PID_FMT, c->pid);
+        if (r < 0)
+                return -ENOMEM;
         r = readlink_malloc(p, &value);
         if (r < 0)
                 return r;
-- 
2.21.0.1020.gf2820cf01a-goog