From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 10 Jul 2017 19:41:02 +0000 (+0200)
Subject: mount: add debug logging for the case when we knowingly ignore an error
X-Git-Tag: v234~13^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a53dceb709f39ddbc25bfb910525c7d77c7a7dcf;p=thirdparty%2Fsystemd.git

mount: add debug logging for the case when we knowingly ignore an error
---

diff --git a/src/mount/mount-tool.c b/src/mount/mount-tool.c
index 21c3b1302d1..23083fd16ea 100644
--- a/src/mount/mount-tool.c
+++ b/src/mount/mount-tool.c
@@ -779,8 +779,10 @@ static int find_loop_device(const char *backing_file, char **loop_dev) {
                         return -ENOMEM;
 
                 r = read_one_line_file(sys, &fname);
-                if (r < 0)
+                if (r < 0) {
+                        log_debug_errno(r, "Failed to read %s, ignoring: %m", sys);
                         continue;
+                }
 
                 if (files_same(fname, backing_file, 0) <= 0)
                         continue;