From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 6 Nov 2014 14:20:29 +0000 (+0100)
Subject: systemctl: when invokes as "reboot -f", sync()
X-Git-Tag: v218~523
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=4a3ad39957399c4a30fc472a804e72907ecaa4f9;p=elogind.git

systemctl: when invokes as "reboot -f", sync()

We do this in the clean shutdown path in shutdown.c, hence we should do
is for "reboot -f", too.
---

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 8a3e203e9..d9e9c2a6c 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -7001,8 +7001,13 @@ done:
 
 static int halt_now(enum action a) {
 
-/* Make sure C-A-D is handled by the kernel from this
-         * point on... */
+        /* The kernel will automaticall flush ATA disks and suchlike
+         * on reboot(), but the file systems need to be synce'd
+         * explicitly in advance. */
+        sync();
+
+        /* Make sure C-A-D is handled by the kernel from this point
+         * on... */
         reboot(RB_ENABLE_CAD);
 
         switch (a) {