From: Karel Zak <kzak@redhat.com>
Date: Thu, 23 Sep 2021 09:07:55 +0000 (+0200)
Subject: mount: add hint about dmesg(8) to error messages
X-Git-Tag: v2.38-rc1~249
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=79534c0d7e0fdb52b090479f87ccc0870c993efe;p=thirdparty%2Futil-linux.git

mount: add hint about dmesg(8) to error messages

Fixes: https://github.com/karelzak/util-linux/pull/1444
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/sys-utils/mount.c b/sys-utils/mount.c
index ceb0bb469a..ac7af42cb1 100644
--- a/sys-utils/mount.c
+++ b/sys-utils/mount.c
@@ -354,6 +354,10 @@ static int mk_exit_code(struct libmnt_context *cxt, int rc)
 		if (!spec)
 			spec = "???";
 		warnx("%s: %s.", spec, buf);
+
+		if (mnt_context_syscall_called(cxt) &&
+		    mnt_context_get_syscall_errno(cxt) != 0)
+			fprintf(stderr, _("       dmesg(1) may have more information after failed mount system call.\n"));
 	}
 
 	if (rc == MNT_EX_SUCCESS && mnt_context_get_status(cxt) == 1) {