[PATCH] Wait for mdraid arrays to become clean before reboot / halt

[Hans de Goede <hdegoede@xxxxxxxxxx>]

With the new external metadata mdraid support we need to wait for raid
sets to become clean (iow for mdmon to have finished updating the metadata)
before rebooting. Otherwise we get a full array sync on the first boot after
installation.
---
 loader/shutdown.c |    5 +++++
 scripts/mk-images |    4 ++++
 2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/loader/shutdown.c b/loader/shutdown.c
index 6ae4048..6a32e79 100644
--- a/loader/shutdown.c
+++ b/loader/shutdown.c
@@ -58,6 +58,8 @@ static void performTerminations(int doKill) {
 }
 
 static void performUnmounts(int doKill) {
+	int ignore;
+
 	if (testing || !doKill)
 		return;
 
@@ -66,6 +68,9 @@ static void performUnmounts(int doKill) {
 
 	printf("unmounting filesystems...\n"); 
 	unmountFilesystems();
+
+	printf("waiting for mdraid sets to become clean...\n"); 
+	ignore = system("/sbin/mdadm --wait-clean --scan");
 }
 
 static void performReboot(reboot_action rebootAction) {
diff --git a/scripts/mk-images b/scripts/mk-images
index 00854d3..cfe62d3 100755
--- a/scripts/mk-images
+++ b/scripts/mk-images
@@ -759,6 +759,10 @@ makeinitrd() {
       cp -a org.freedesktop.nm_dispatcher.service $MBD_DIR/usr/share/dbus-1/system-services
     )
 
+    # mdadm
+    instbin $IMGPATH /usr/sbin/mdadm $MBD_DIR /sbin/mdadm
+    instbin $IMGPATH /usr/sbin/mdmon $MBD_DIR /sbin/mdmon
+
     # Misc
     instbin $IMGPATH /usr/sbin/dmidecode $MBD_DIR /sbin/dmidecode
     instbin $IMGPATH /usr/bin/egrep $MBD_DIR /sbin/egrep
-- 
1.6.4.2

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