nbd/nbdroot.sh: call nbd-client with "--systemd-mark"

otherwise nbd-client will get killed by systemd

(cherry picked from commit 056a3f2427b6747d83fc48c5d1e3f85b4058c18f)

diff --git a/modules.d/95nbd/nbdroot.sh b/modules.d/95nbd/nbdroot.sh
index 2e9d917428e712a0416bceb031b4716ee8379a5c..ddb381929e0c693ecdf65fe3e21d368bd56e1cbb 100755 (executable)
--- a/modules.d/95nbd/nbdroot.sh
+++ b/modules.d/95nbd/nbdroot.sh
@@ -111,6 +111,10 @@ if [ "$root" = "block:/dev/root" -o "$root" = "dhcp" ]; then
     fi
 fi
 
+if strstr "$(nbd-client --help 2>&1)" "systemd-mark"; then
+    preopts="--systemd-mark $preopts"
+fi
+
 nbd-client $preopts "$nbdserver" $nbdport /dev/nbd0 $opts || exit 1
 
 # NBD doesn't emit uevents when it gets connected, so kick it